configure

   1 #!/bin/sh
   2 #
   3 # qemu configure script (c) 2003 Fabrice Bellard
   4 #
   5
   6 # Unset some variables known to interfere with behavior of common tools,
   7 # just as autoconf does.
   8 CLICOLOR_FORCE= GREP_OPTIONS=
   9 unset CLICOLOR_FORCE GREP_OPTIONS
  10
  11 # Don't allow CCACHE, if present, to use cached results of compile tests!
  12 export CCACHE_RECACHE=yes
  13
  14 # make source path absolute
  15 source_path=$(cd "$(dirname -- "$0")"; pwd)
  16
  17 if test "$PWD" = "$source_path"
  18 then
  19     echo "Using './build' as the directory for build output"
  20
  21     MARKER=build/auto-created-by-configure
  22
  23     if test -e build
  24     then
  25         if test -f $MARKER
  26         then
  27            rm -rf build
  28         else
  29             echo "ERROR: ./build dir already exists and was not previously created by configure"
  30             exit 1
  31         fi
  32     fi
  33
  34     mkdir build
  35     touch $MARKER
  36
  37     cat > GNUmakefile <<'EOF'
  38 # This file is auto-generated by configure to support in-source tree
  39 # 'make' command invocation
  40
  41 ifeq ($(MAKECMDGOALS),)
  42 recurse: all
  43 endif
  44
  45 .NOTPARALLEL: %
  46 %: force
  47         @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
  48         @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
  49         @if test "$(MAKECMDGOALS)" = "distclean" && \
  50             test -e build/auto-created-by-configure ; \
  51         then \
  52             rm -rf build GNUmakefile ; \
  53         fi
  54 force: ;
  55 .PHONY: force
  56 GNUmakefile: ;
  57
  58 EOF
  59     cd build
  60     exec $source_path/configure "$@"
  61 fi
  62
  63 # Temporary directory used for files created while
  64 # configure runs. Since it is in the build directory
  65 # we can safely blow away any previous version of it
  66 # (and we need not jump through hoops to try to delete
  67 # it when configure exits.)
  68 TMPDIR1="config-temp"
  69 rm -rf "${TMPDIR1}"
  70 mkdir -p "${TMPDIR1}"
  71 if [ $? -ne 0 ]; then
  72     echo "ERROR: failed to create temporary directory"
  73     exit 1
  74 fi
  75
  76 TMPB="qemu-conf"
  77 TMPC="${TMPDIR1}/${TMPB}.c"
  78 TMPO="${TMPDIR1}/${TMPB}.o"
  79 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  80 TMPE="${TMPDIR1}/${TMPB}.exe"
  81 TMPMO="${TMPDIR1}/${TMPB}.mo"
  82 TMPTXT="${TMPDIR1}/${TMPB}.txt"
  83
  84 rm -f config.log
  85
  86 # Print a helpful header at the top of config.log
  87 echo "# QEMU configure log $(date)" >> config.log
  88 printf "# Configured with:" >> config.log
  89 printf " '%s'" "$0" "$@" >> config.log
  90 echo >> config.log
  91 echo "#" >> config.log
  92
  93 print_error() {
  94     (echo
  95     echo "ERROR: $1"
  96     while test -n "$2"; do
  97         echo "       $2"
  98         shift
  99     done
 100     echo) >&2
 101 }
 102
 103 error_exit() {
 104     print_error "$@"
 105     exit 1
 106 }
 107
 108 do_compiler() {
 109     # Run the compiler, capturing its output to the log. First argument
 110     # is compiler binary to execute.
 111     local compiler="$1"
 112     shift
 113     if test -n "$BASH_VERSION"; then eval '
 114         echo >>config.log "
 115 funcs: ${FUNCNAME[*]}
 116 lines: ${BASH_LINENO[*]}"
 117     '; fi
 118     echo $compiler "$@" >> config.log
 119     $compiler "$@" >> config.log 2>&1 || return $?
 120     # Test passed. If this is an --enable-werror build, rerun
 121     # the test with -Werror and bail out if it fails. This
 122     # makes warning-generating-errors in configure test code
 123     # obvious to developers.
 124     if test "$werror" != "yes"; then
 125         return 0
 126     fi
 127     # Don't bother rerunning the compile if we were already using -Werror
 128     case "$*" in
 129         *-Werror*)
 130            return 0
 131         ;;
 132     esac
 133     echo $compiler -Werror "$@" >> config.log
 134     $compiler -Werror "$@" >> config.log 2>&1 && return $?
 135     error_exit "configure test passed without -Werror but failed with -Werror." \
 136         "This is probably a bug in the configure script. The failing command" \
 137         "will be at the bottom of config.log." \
 138         "You can run configure with --disable-werror to bypass this check."
 139 }
 140
 141 do_cc() {
 142     do_compiler "$cc" "$@"
 143 }
 144
 145 do_cxx() {
 146     do_compiler "$cxx" "$@"
 147 }
 148
 149 # Append $2 to the variable named $1, with space separation
 150 add_to() {
 151     eval $1=\${$1:+\"\$$1 \"}\$2
 152 }
 153
 154 update_cxxflags() {
 155     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 156     # options which some versions of GCC's C++ compiler complain about
 157     # because they only make sense for C programs.
 158     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
 159     CXXFLAGS=$(echo "$CFLAGS" | sed s/-std=gnu99/-std=gnu++11/)
 160     for arg in $QEMU_CFLAGS; do
 161         case $arg in
 162             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 163             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 164                 ;;
 165             *)
 166                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 167                 ;;
 168         esac
 169     done
 170 }
 171
 172 compile_object() {
 173   local_cflags="$1"
 174   do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 175 }
 176
 177 compile_prog() {
 178   local_cflags="$1"
 179   local_ldflags="$2"
 180   do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $QEMU_LDFLAGS $local_ldflags
 181 }
 182
 183 # symbolically link $1 to $2.  Portable version of "ln -sf".
 184 symlink() {
 185   rm -rf "$2"
 186   mkdir -p "$(dirname "$2")"
 187   ln -s "$1" "$2"
 188 }
 189
 190 # check whether a command is available to this shell (may be either an
 191 # executable or a builtin)
 192 has() {
 193     type "$1" >/dev/null 2>&1
 194 }
 195
 196 # search for an executable in PATH
 197 path_of() {
 198     local_command="$1"
 199     local_ifs="$IFS"
 200     local_dir=""
 201
 202     # pathname has a dir component?
 203     if [ "${local_command#*/}" != "$local_command" ]; then
 204         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 205             echo "$local_command"
 206             return 0
 207         fi
 208     fi
 209     if [ -z "$local_command" ]; then
 210         return 1
 211     fi
 212
 213     IFS=:
 214     for local_dir in $PATH; do
 215         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 216             echo "$local_dir/$local_command"
 217             IFS="${local_ifs:-$(printf ' \t\n')}"
 218             return 0
 219         fi
 220     done
 221     # not found
 222     IFS="${local_ifs:-$(printf ' \t\n')}"
 223     return 1
 224 }
 225
 226 have_backend () {
 227     echo "$trace_backends" | grep "$1" >/dev/null
 228 }
 229
 230 glob() {
 231     eval test -z '"${1#'"$2"'}"'
 232 }
 233
 234 supported_hax_target() {
 235     test "$hax" = "yes" || return 1
 236     glob "$1" "*-softmmu" || return 1
 237     case "${1%-softmmu}" in
 238         i386|x86_64)
 239             return 0
 240         ;;
 241     esac
 242     return 1
 243 }
 244
 245 supported_kvm_target() {
 246     test "$kvm" = "yes" || return 1
 247     glob "$1" "*-softmmu" || return 1
 248     case "${1%-softmmu}:$cpu" in
 249         arm:arm | aarch64:aarch64 | \
 250         i386:i386 | i386:x86_64 | i386:x32 | \
 251         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 252         mips:mips | mipsel:mips | mips64:mips | mips64el:mips | \
 253         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
 254         s390x:s390x)
 255             return 0
 256         ;;
 257     esac
 258     return 1
 259 }
 260
 261 supported_xen_target() {
 262     test "$xen" = "yes" || return 1
 263     glob "$1" "*-softmmu" || return 1
 264     # Only i386 and x86_64 provide the xenpv machine.
 265     case "${1%-softmmu}" in
 266         i386|x86_64)
 267             return 0
 268         ;;
 269     esac
 270     return 1
 271 }
 272
 273 supported_hvf_target() {
 274     test "$hvf" = "yes" || return 1
 275     glob "$1" "*-softmmu" || return 1
 276     case "${1%-softmmu}" in
 277         x86_64)
 278             return 0
 279         ;;
 280     esac
 281     return 1
 282 }
 283
 284 supported_whpx_target() {
 285     test "$whpx" = "yes" || return 1
 286     glob "$1" "*-softmmu" || return 1
 287     case "${1%-softmmu}" in
 288         i386|x86_64)
 289             return 0
 290         ;;
 291     esac
 292     return 1
 293 }
 294
 295 supported_target() {
 296     case "$1" in
 297         *-softmmu)
 298             ;;
 299         *-linux-user)
 300             if test "$linux" != "yes"; then
 301                 print_error "Target '$target' is only available on a Linux host"
 302                 return 1
 303             fi
 304             ;;
 305         *-bsd-user)
 306             if test "$bsd" != "yes"; then
 307                 print_error "Target '$target' is only available on a BSD host"
 308                 return 1
 309             fi
 310             ;;
 311         *)
 312             print_error "Invalid target name '$target'"
 313             return 1
 314             ;;
 315     esac
 316     test "$tcg" = "yes" && return 0
 317     supported_kvm_target "$1" && return 0
 318     supported_xen_target "$1" && return 0
 319     supported_hax_target "$1" && return 0
 320     supported_hvf_target "$1" && return 0
 321     supported_whpx_target "$1" && return 0
 322     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 323     return 1
 324 }
 325
 326
 327 ld_has() {
 328     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 329 }
 330
 331 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 332 then
 333   error_exit "main directory cannot contain spaces nor colons"
 334 fi
 335
 336 # default parameters
 337 cpu=""
 338 iasl="iasl"
 339 interp_prefix="/usr/gnemul/qemu-%M"
 340 static="no"
 341 cross_prefix=""
 342 audio_drv_list=""
 343 block_drv_rw_whitelist=""
 344 block_drv_ro_whitelist=""
 345 host_cc="cc"
 346 libs_cpu=""
 347 libs_softmmu=""
 348 libs_tools=""
 349 audio_win_int=""
 350 libs_qga=""
 351 debug_info="yes"
 352 stack_protector=""
 353 safe_stack=""
 354 use_containers="yes"
 355 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 356
 357 if test -e "$source_path/.git"
 358 then
 359     git_update=yes
 360     git_submodules="ui/keycodemapdb"
 361     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 362     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 363 else
 364     git_update=no
 365     git_submodules=""
 366
 367     if ! test -f "$source_path/ui/keycodemapdb/README"
 368     then
 369         echo
 370         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 371         echo
 372         echo "This is not a GIT checkout but module content appears to"
 373         echo "be missing. Do not use 'git archive' or GitHub download links"
 374         echo "to acquire QEMU source archives. Non-GIT builds are only"
 375         echo "supported with source archives linked from:"
 376         echo
 377         echo "  https://www.qemu.org/download/#source"
 378         echo
 379         echo "Developers working with GIT can use scripts/archive-source.sh"
 380         echo "if they need to create valid source archives."
 381         echo
 382         exit 1
 383     fi
 384 fi
 385 git="git"
 386
 387 # Don't accept a target_list environment variable.
 388 unset target_list
 389 unset target_list_exclude
 390
 391 # Default value for a variable defining feature "foo".
 392 #  * foo="no"  feature will only be used if --enable-foo arg is given
 393 #  * foo=""    feature will be searched for, and if found, will be used
 394 #              unless --disable-foo is given
 395 #  * foo="yes" this value will only be set by --enable-foo flag.
 396 #              feature will searched for,
 397 #              if not found, configure exits with error
 398 #
 399 # Always add --enable-foo and --disable-foo command line args.
 400 # Distributions want to ensure that several features are compiled in, and it
 401 # is impossible without a --enable-foo that exits if a feature is not found.
 402
 403 brlapi=""
 404 curl=""
 405 curses=""
 406 docs=""
 407 fdt=""
 408 netmap="no"
 409 sdl=""
 410 sdl_image=""
 411 virtfs=""
 412 mpath=""
 413 vnc="yes"
 414 sparse="no"
 415 vde=""
 416 vnc_sasl=""
 417 vnc_jpeg=""
 418 vnc_png=""
 419 xkbcommon=""
 420 xen=""
 421 xen_ctrl_version=""
 422 xen_pci_passthrough=""
 423 linux_aio=""
 424 linux_io_uring=""
 425 cap_ng=""
 426 attr=""
 427 libattr=""
 428 xfs=""
 429 tcg="yes"
 430 membarrier=""
 431 vhost_net=""
 432 vhost_crypto=""
 433 vhost_scsi=""
 434 vhost_vsock=""
 435 vhost_user=""
 436 vhost_user_fs=""
 437 kvm="no"
 438 hax="no"
 439 hvf="no"
 440 whpx="no"
 441 rdma=""
 442 pvrdma=""
 443 gprof="no"
 444 debug_tcg="no"
 445 debug="no"
 446 sanitizers="no"
 447 tsan="no"
 448 fortify_source=""
 449 strip_opt="yes"
 450 tcg_interpreter="no"
 451 bigendian="no"
 452 mingw32="no"
 453 gcov="no"
 454 gcov_tool="gcov"
 455 EXESUF=""
 456 DSOSUF=".so"
 457 LDFLAGS_SHARED="-shared"
 458 modules="no"
 459 module_upgrades="no"
 460 prefix="/usr/local"
 461 firmwarepath="\${prefix}/share/qemu-firmware"
 462 confsuffix="/qemu"
 463 slirp=""
 464 oss_lib=""
 465 bsd="no"
 466 linux="no"
 467 solaris="no"
 468 profiler="no"
 469 cocoa="no"
 470 softmmu="yes"
 471 linux_user="no"
 472 bsd_user="no"
 473 blobs="yes"
 474 edk2_blobs="no"
 475 pkgversion=""
 476 pie=""
 477 qom_cast_debug="yes"
 478 trace_backends="log"
 479 trace_file="trace"
 480 spice=""
 481 rbd=""
 482 smartcard=""
 483 libusb=""
 484 usb_redir=""
 485 opengl=""
 486 opengl_dmabuf="no"
 487 cpuid_h="no"
 488 avx2_opt=""
 489 zlib="yes"
 490 capstone=""
 491 lzo=""
 492 snappy=""
 493 bzip2=""
 494 lzfse=""
 495 zstd=""
 496 guest_agent=""
 497 guest_agent_with_vss="no"
 498 guest_agent_ntddscsi="no"
 499 guest_agent_msi=""
 500 vss_win32_sdk=""
 501 win_sdk="no"
 502 want_tools=""
 503 libiscsi=""
 504 libnfs=""
 505 coroutine=""
 506 coroutine_pool=""
 507 debug_stack_usage="no"
 508 crypto_afalg="no"
 509 seccomp=""
 510 glusterfs=""
 511 glusterfs_xlator_opt="no"
 512 glusterfs_discard="no"
 513 glusterfs_fallocate="no"
 514 glusterfs_zerofill="no"
 515 glusterfs_ftruncate_has_stat="no"
 516 glusterfs_iocb_has_stat="no"
 517 gtk=""
 518 gtk_gl="no"
 519 tls_priority="NORMAL"
 520 gnutls=""
 521 nettle=""
 522 nettle_xts="no"
 523 gcrypt=""
 524 gcrypt_hmac="no"
 525 gcrypt_xts="no"
 526 qemu_private_xts="yes"
 527 auth_pam=""
 528 vte=""
 529 virglrenderer=""
 530 tpm=""
 531 libssh=""
 532 live_block_migration="yes"
 533 numa=""
 534 tcmalloc="no"
 535 jemalloc="no"
 536 replication="yes"
 537 bochs="yes"
 538 cloop="yes"
 539 dmg="yes"
 540 qcow1="yes"
 541 vdi="yes"
 542 vvfat="yes"
 543 qed="yes"
 544 parallels="yes"
 545 sheepdog="yes"
 546 libxml2=""
 547 debug_mutex="no"
 548 libpmem=""
 549 default_devices="yes"
 550 plugins="no"
 551 fuzzing="no"
 552 rng_none="no"
 553 secret_keyring=""
 554 libdaxctl=""
 555 meson=""
 556 skip_meson=no
 557
 558 supported_cpu="no"
 559 supported_os="no"
 560 bogus_os="no"
 561 malloc_trim=""
 562
 563 # parse CC options first
 564 for opt do
 565   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 566   case "$opt" in
 567   --cross-prefix=*) cross_prefix="$optarg"
 568   ;;
 569   --cc=*) CC="$optarg"
 570   ;;
 571   --cxx=*) CXX="$optarg"
 572   ;;
 573   --cpu=*) cpu="$optarg"
 574   ;;
 575   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 576                     QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 577   ;;
 578   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 579   ;;
 580   --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 581                      EXTRA_LDFLAGS="$optarg"
 582   ;;
 583   --enable-debug-info) debug_info="yes"
 584   ;;
 585   --disable-debug-info) debug_info="no"
 586   ;;
 587   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 588   ;;
 589   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 590                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 591                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 592   ;;
 593   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 594                 cc_archs="$cc_archs $cc_arch"
 595                 eval "cross_cc_${cc_arch}=\$optarg"
 596                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 597   ;;
 598   esac
 599 done
 600 # OS specific
 601 # Using uname is really, really broken.  Once we have the right set of checks
 602 # we can eliminate its usage altogether.
 603
 604 # Preferred compiler:
 605 #  ${CC} (if set)
 606 #  ${cross_prefix}gcc (if cross-prefix specified)
 607 #  system compiler
 608 if test -z "${CC}${cross_prefix}"; then
 609   cc="$host_cc"
 610 else
 611   cc="${CC-${cross_prefix}gcc}"
 612 fi
 613
 614 if test -z "${CXX}${cross_prefix}"; then
 615   cxx="c++"
 616 else
 617   cxx="${CXX-${cross_prefix}g++}"
 618 fi
 619
 620 ar="${AR-${cross_prefix}ar}"
 621 as="${AS-${cross_prefix}as}"
 622 ccas="${CCAS-$cc}"
 623 cpp="${CPP-$cc -E}"
 624 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 625 ld="${LD-${cross_prefix}ld}"
 626 ranlib="${RANLIB-${cross_prefix}ranlib}"
 627 nm="${NM-${cross_prefix}nm}"
 628 strip="${STRIP-${cross_prefix}strip}"
 629 windres="${WINDRES-${cross_prefix}windres}"
 630 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 631 query_pkg_config() {
 632     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 633 }
 634 pkg_config=query_pkg_config
 635 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 636
 637 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 638 ARFLAGS="${ARFLAGS-rv}"
 639
 640 # default flags for all hosts
 641 # We use -fwrapv to tell the compiler that we require a C dialect where
 642 # left shift of signed integers is well defined and has the expected
 643 # 2s-complement style results. (Both clang and gcc agree that it
 644 # provides these semantics.)
 645 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 646 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 647 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 648 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 649 QEMU_INCLUDES="-iquote . -iquote ${source_path} -iquote ${source_path}/accel/tcg -iquote ${source_path}/include"
 650 QEMU_INCLUDES="$QEMU_INCLUDES -iquote ${source_path}/disas/libvixl"
 651 CFLAGS="-std=gnu99 -Wall"
 652
 653
 654 # running configure in the source tree?
 655 # we know that's the case if configure is there.
 656 if test -f "./configure"; then
 657     pwd_is_source_path="y"
 658 else
 659     pwd_is_source_path="n"
 660 fi
 661
 662 check_define() {
 663 cat > $TMPC <<EOF
 664 #if !defined($1)
 665 #error $1 not defined
 666 #endif
 667 int main(void) { return 0; }
 668 EOF
 669   compile_object
 670 }
 671
 672 check_include() {
 673 cat > $TMPC <<EOF
 674 #include <$1>
 675 int main(void) { return 0; }
 676 EOF
 677   compile_object
 678 }
 679
 680 write_c_skeleton() {
 681     cat > $TMPC <<EOF
 682 int main(void) { return 0; }
 683 EOF
 684 }
 685
 686 write_c_fuzzer_skeleton() {
 687     cat > $TMPC <<EOF
 688 #include <stdint.h>
 689 #include <sys/types.h>
 690 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 691 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 692 EOF
 693 }
 694
 695 if check_define __linux__ ; then
 696   targetos="Linux"
 697 elif check_define _WIN32 ; then
 698   targetos='MINGW32'
 699 elif check_define __OpenBSD__ ; then
 700   targetos='OpenBSD'
 701 elif check_define __sun__ ; then
 702   targetos='SunOS'
 703 elif check_define __HAIKU__ ; then
 704   targetos='Haiku'
 705 elif check_define __FreeBSD__ ; then
 706   targetos='FreeBSD'
 707 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 708   targetos='GNU/kFreeBSD'
 709 elif check_define __DragonFly__ ; then
 710   targetos='DragonFly'
 711 elif check_define __NetBSD__; then
 712   targetos='NetBSD'
 713 elif check_define __APPLE__; then
 714   targetos='Darwin'
 715 else
 716   # This is a fatal error, but don't report it yet, because we
 717   # might be going to just print the --help text, or it might
 718   # be the result of a missing compiler.
 719   targetos='bogus'
 720   bogus_os='yes'
 721 fi
 722
 723 # Some host OSes need non-standard checks for which CPU to use.
 724 # Note that these checks are broken for cross-compilation: if you're
 725 # cross-compiling to one of these OSes then you'll need to specify
 726 # the correct CPU with the --cpu option.
 727 case $targetos in
 728 Darwin)
 729   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 730   # run 64-bit userspace code.
 731   # If the user didn't specify a CPU explicitly and the kernel says this is
 732   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 733   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 734     cpu="x86_64"
 735   fi
 736   ;;
 737 SunOS)
 738   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 739   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 740     cpu="x86_64"
 741   fi
 742 esac
 743
 744 if test ! -z "$cpu" ; then
 745   # command line argument
 746   :
 747 elif check_define __i386__ ; then
 748   cpu="i386"
 749 elif check_define __x86_64__ ; then
 750   if check_define __ILP32__ ; then
 751     cpu="x32"
 752   else
 753     cpu="x86_64"
 754   fi
 755 elif check_define __sparc__ ; then
 756   if check_define __arch64__ ; then
 757     cpu="sparc64"
 758   else
 759     cpu="sparc"
 760   fi
 761 elif check_define _ARCH_PPC ; then
 762   if check_define _ARCH_PPC64 ; then
 763     if check_define _LITTLE_ENDIAN ; then
 764       cpu="ppc64le"
 765     else
 766       cpu="ppc64"
 767     fi
 768   else
 769     cpu="ppc"
 770   fi
 771 elif check_define __mips__ ; then
 772   cpu="mips"
 773 elif check_define __s390__ ; then
 774   if check_define __s390x__ ; then
 775     cpu="s390x"
 776   else
 777     cpu="s390"
 778   fi
 779 elif check_define __riscv ; then
 780   if check_define _LP64 ; then
 781     cpu="riscv64"
 782   else
 783     cpu="riscv32"
 784   fi
 785 elif check_define __arm__ ; then
 786   cpu="arm"
 787 elif check_define __aarch64__ ; then
 788   cpu="aarch64"
 789 else
 790   cpu=$(uname -m)
 791 fi
 792
 793 ARCH=
 794 # Normalise host CPU name and set ARCH.
 795 # Note that this case should only have supported host CPUs, not guests.
 796 case "$cpu" in
 797   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 798     supported_cpu="yes"
 799   ;;
 800   ppc64le)
 801     ARCH="ppc64"
 802     supported_cpu="yes"
 803   ;;
 804   i386|i486|i586|i686|i86pc|BePC)
 805     cpu="i386"
 806     supported_cpu="yes"
 807   ;;
 808   x86_64|amd64)
 809     cpu="x86_64"
 810     supported_cpu="yes"
 811   ;;
 812   armv*b|armv*l|arm)
 813     cpu="arm"
 814     supported_cpu="yes"
 815   ;;
 816   aarch64)
 817     cpu="aarch64"
 818     supported_cpu="yes"
 819   ;;
 820   mips*)
 821     cpu="mips"
 822     supported_cpu="yes"
 823   ;;
 824   sparc|sun4[cdmuv])
 825     cpu="sparc"
 826     supported_cpu="yes"
 827   ;;
 828   *)
 829     # This will result in either an error or falling back to TCI later
 830     ARCH=unknown
 831   ;;
 832 esac
 833 if test -z "$ARCH"; then
 834   ARCH="$cpu"
 835 fi
 836
 837 # OS specific
 838
 839 # host *BSD for user mode
 840 HOST_VARIANT_DIR=""
 841
 842 case $targetos in
 843 MINGW32*)
 844   mingw32="yes"
 845   hax="yes"
 846   vhost_user="no"
 847   audio_possible_drivers="dsound sdl"
 848   if check_include dsound.h; then
 849     audio_drv_list="dsound"
 850   else
 851     audio_drv_list=""
 852   fi
 853   supported_os="yes"
 854   pie="no"
 855 ;;
 856 GNU/kFreeBSD)
 857   bsd="yes"
 858   audio_drv_list="oss try-sdl"
 859   audio_possible_drivers="oss sdl pa"
 860 ;;
 861 FreeBSD)
 862   bsd="yes"
 863   make="${MAKE-gmake}"
 864   audio_drv_list="oss try-sdl"
 865   audio_possible_drivers="oss sdl pa"
 866   # needed for kinfo_getvmmap(3) in libutil.h
 867   LIBS="-lutil $LIBS"
 868   # needed for kinfo_getproc
 869   libs_qga="-lutil $libs_qga"
 870   netmap=""  # enable netmap autodetect
 871   HOST_VARIANT_DIR="freebsd"
 872   supported_os="yes"
 873 ;;
 874 DragonFly)
 875   bsd="yes"
 876   make="${MAKE-gmake}"
 877   audio_drv_list="oss try-sdl"
 878   audio_possible_drivers="oss sdl pa"
 879   HOST_VARIANT_DIR="dragonfly"
 880 ;;
 881 NetBSD)
 882   bsd="yes"
 883   hax="yes"
 884   make="${MAKE-gmake}"
 885   audio_drv_list="oss try-sdl"
 886   audio_possible_drivers="oss sdl"
 887   oss_lib="-lossaudio"
 888   HOST_VARIANT_DIR="netbsd"
 889   supported_os="yes"
 890 ;;
 891 OpenBSD)
 892   bsd="yes"
 893   make="${MAKE-gmake}"
 894   audio_drv_list="try-sdl"
 895   audio_possible_drivers="sdl"
 896   HOST_VARIANT_DIR="openbsd"
 897   supported_os="yes"
 898 ;;
 899 Darwin)
 900   bsd="yes"
 901   darwin="yes"
 902   hax="yes"
 903   hvf="yes"
 904   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 905   if [ "$cpu" = "x86_64" ] ; then
 906     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 907     QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
 908   fi
 909   cocoa="yes"
 910   audio_drv_list="coreaudio try-sdl"
 911   audio_possible_drivers="coreaudio sdl"
 912   QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
 913   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 914   # Disable attempts to use ObjectiveC features in os/object.h since they
 915   # won't work when we're compiling with gcc as a C compiler.
 916   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 917   HOST_VARIANT_DIR="darwin"
 918   supported_os="yes"
 919 ;;
 920 SunOS)
 921   solaris="yes"
 922   make="${MAKE-gmake}"
 923   install="${INSTALL-ginstall}"
 924   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 925   if test -f /usr/include/sys/soundcard.h ; then
 926     audio_drv_list="oss try-sdl"
 927   fi
 928   audio_possible_drivers="oss sdl"
 929 # needed for CMSG_ macros in sys/socket.h
 930   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 931 # needed for TIOCWIN* defines in termios.h
 932   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 933   solarisnetlibs="-lsocket -lnsl -lresolv"
 934   LIBS="$solarisnetlibs $LIBS"
 935   libs_qga="$solarisnetlibs $libs_qga"
 936 ;;
 937 Haiku)
 938   haiku="yes"
 939   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -DBSD_SOURCE $QEMU_CFLAGS"
 940   LIBS="-lposix_error_mapper -lnetwork -lbsd $LIBS"
 941 ;;
 942 Linux)
 943   audio_drv_list="try-pa oss"
 944   audio_possible_drivers="oss alsa sdl pa"
 945   linux="yes"
 946   linux_user="yes"
 947   kvm="yes"
 948   QEMU_INCLUDES="-isystem ${source_path}/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 949   supported_os="yes"
 950   libudev="yes"
 951 ;;
 952 esac
 953
 954 if [ "$bsd" = "yes" ] ; then
 955   if [ "$darwin" != "yes" ] ; then
 956     bsd_user="yes"
 957   fi
 958 fi
 959
 960 : ${make=${MAKE-make}}
 961 : ${install=${INSTALL-install}}
 962 # We prefer python 3.x. A bare 'python' is traditionally
 963 # python 2.x, but some distros have it as python 3.x, so
 964 # we check that too
 965 python=
 966 for binary in "${PYTHON-python3}" python
 967 do
 968     if has "$binary"
 969     then
 970         python=$(command -v "$binary")
 971         break
 972     fi
 973 done
 974
 975 sphinx_build=
 976 for binary in sphinx-build-3 sphinx-build
 977 do
 978     if has "$binary"
 979     then
 980         sphinx_build=$(command -v "$binary")
 981         break
 982     fi
 983 done
 984
 985 # Check for ancillary tools used in testing
 986 genisoimage=
 987 for binary in genisoimage mkisofs
 988 do
 989     if has $binary
 990     then
 991         genisoimage=$(command -v "$binary")
 992         break
 993     fi
 994 done
 995
 996 : ${smbd=${SMBD-/usr/sbin/smbd}}
 997
 998 # Default objcc to clang if available, otherwise use CC
 999 if has clang; then
1000   objcc=clang
1001 else
1002   objcc="$cc"
1003 fi
1004
1005 if test "$mingw32" = "yes" ; then
1006   EXESUF=".exe"
1007   DSOSUF=".dll"
1008   # MinGW needs -mthreads for TLS and macro _MT.
1009   CFLAGS="-mthreads $CFLAGS"
1010   LIBS="-lwinmm -lws2_32 $LIBS"
1011   write_c_skeleton;
1012   if compile_prog "" "-liberty" ; then
1013     LIBS="-liberty $LIBS"
1014   fi
1015   prefix="c:/Program Files/QEMU"
1016   confsuffix=""
1017   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
1018 fi
1019
1020 werror=""
1021
1022 for opt do
1023   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
1024   case "$opt" in
1025   --help|-h) show_help=yes
1026   ;;
1027   --version|-V) exec cat $source_path/VERSION
1028   ;;
1029   --prefix=*) prefix="$optarg"
1030   ;;
1031   --interp-prefix=*) interp_prefix="$optarg"
1032   ;;
1033   --cross-prefix=*)
1034   ;;
1035   --cc=*)
1036   ;;
1037   --host-cc=*) host_cc="$optarg"
1038   ;;
1039   --cxx=*)
1040   ;;
1041   --iasl=*) iasl="$optarg"
1042   ;;
1043   --objcc=*) objcc="$optarg"
1044   ;;
1045   --make=*) make="$optarg"
1046   ;;
1047   --install=*) install="$optarg"
1048   ;;
1049   --python=*) python="$optarg"
1050   ;;
1051   --sphinx-build=*) sphinx_build="$optarg"
1052   ;;
1053   --skip-meson) skip_meson=yes
1054   ;;
1055   --meson=*) meson="$optarg"
1056   ;;
1057   --gcov=*) gcov_tool="$optarg"
1058   ;;
1059   --smbd=*) smbd="$optarg"
1060   ;;
1061   --extra-cflags=*)
1062   ;;
1063   --extra-cxxflags=*)
1064   ;;
1065   --extra-ldflags=*)
1066   ;;
1067   --enable-debug-info)
1068   ;;
1069   --disable-debug-info)
1070   ;;
1071   --cross-cc-*)
1072   ;;
1073   --enable-modules)
1074       modules="yes"
1075   ;;
1076   --disable-modules)
1077       modules="no"
1078   ;;
1079   --disable-module-upgrades) module_upgrades="no"
1080   ;;
1081   --enable-module-upgrades) module_upgrades="yes"
1082   ;;
1083   --cpu=*)
1084   ;;
1085   --target-list=*) target_list="$optarg"
1086                    if test "$target_list_exclude"; then
1087                        error_exit "Can't mix --target-list with --target-list-exclude"
1088                    fi
1089   ;;
1090   --target-list-exclude=*) target_list_exclude="$optarg"
1091                    if test "$target_list"; then
1092                        error_exit "Can't mix --target-list-exclude with --target-list"
1093                    fi
1094   ;;
1095   --enable-trace-backends=*) trace_backends="$optarg"
1096   ;;
1097   # XXX: backwards compatibility
1098   --enable-trace-backend=*) trace_backends="$optarg"
1099   ;;
1100   --with-trace-file=*) trace_file="$optarg"
1101   ;;
1102   --with-default-devices) default_devices="yes"
1103   ;;
1104   --without-default-devices) default_devices="no"
1105   ;;
1106   --enable-gprof) gprof="yes"
1107   ;;
1108   --enable-gcov) gcov="yes"
1109   ;;
1110   --static)
1111     static="yes"
1112     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1113   ;;
1114   --mandir=*) mandir="$optarg"
1115   ;;
1116   --bindir=*) bindir="$optarg"
1117   ;;
1118   --libdir=*) libdir="$optarg"
1119   ;;
1120   --libexecdir=*) libexecdir="$optarg"
1121   ;;
1122   --includedir=*) includedir="$optarg"
1123   ;;
1124   --datadir=*) datadir="$optarg"
1125   ;;
1126   --with-confsuffix=*) confsuffix="$optarg"
1127   ;;
1128   --docdir=*) qemu_docdir="$optarg"
1129   ;;
1130   --sysconfdir=*) sysconfdir="$optarg"
1131   ;;
1132   --localstatedir=*) local_statedir="$optarg"
1133   ;;
1134   --firmwarepath=*) firmwarepath="$optarg"
1135   ;;
1136   --host=*|--build=*|\
1137   --disable-dependency-tracking|\
1138   --sbindir=*|--sharedstatedir=*|\
1139   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1140   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1141     # These switches are silently ignored, for compatibility with
1142     # autoconf-generated configure scripts. This allows QEMU's
1143     # configure to be used by RPM and similar macros that set
1144     # lots of directory switches by default.
1145   ;;
1146   --disable-sdl) sdl="no"
1147   ;;
1148   --enable-sdl) sdl="yes"
1149   ;;
1150   --disable-sdl-image) sdl_image="no"
1151   ;;
1152   --enable-sdl-image) sdl_image="yes"
1153   ;;
1154   --disable-qom-cast-debug) qom_cast_debug="no"
1155   ;;
1156   --enable-qom-cast-debug) qom_cast_debug="yes"
1157   ;;
1158   --disable-virtfs) virtfs="no"
1159   ;;
1160   --enable-virtfs) virtfs="yes"
1161   ;;
1162   --disable-mpath) mpath="no"
1163   ;;
1164   --enable-mpath) mpath="yes"
1165   ;;
1166   --disable-vnc) vnc="no"
1167   ;;
1168   --enable-vnc) vnc="yes"
1169   ;;
1170   --oss-lib=*) oss_lib="$optarg"
1171   ;;
1172   --audio-drv-list=*) audio_drv_list="$optarg"
1173   ;;
1174   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1175   ;;
1176   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1177   ;;
1178   --enable-debug-tcg) debug_tcg="yes"
1179   ;;
1180   --disable-debug-tcg) debug_tcg="no"
1181   ;;
1182   --enable-debug)
1183       # Enable debugging options that aren't excessively noisy
1184       debug_tcg="yes"
1185       debug_mutex="yes"
1186       debug="yes"
1187       strip_opt="no"
1188       fortify_source="no"
1189   ;;
1190   --enable-sanitizers) sanitizers="yes"
1191   ;;
1192   --disable-sanitizers) sanitizers="no"
1193   ;;
1194   --enable-tsan) tsan="yes"
1195   ;;
1196   --disable-tsan) tsan="no"
1197   ;;
1198   --enable-sparse) sparse="yes"
1199   ;;
1200   --disable-sparse) sparse="no"
1201   ;;
1202   --disable-strip) strip_opt="no"
1203   ;;
1204   --disable-vnc-sasl) vnc_sasl="no"
1205   ;;
1206   --enable-vnc-sasl) vnc_sasl="yes"
1207   ;;
1208   --disable-vnc-jpeg) vnc_jpeg="no"
1209   ;;
1210   --enable-vnc-jpeg) vnc_jpeg="yes"
1211   ;;
1212   --disable-vnc-png) vnc_png="no"
1213   ;;
1214   --enable-vnc-png) vnc_png="yes"
1215   ;;
1216   --disable-slirp) slirp="no"
1217   ;;
1218   --enable-slirp=git) slirp="git"
1219   ;;
1220   --enable-slirp=system) slirp="system"
1221   ;;
1222   --disable-vde) vde="no"
1223   ;;
1224   --enable-vde) vde="yes"
1225   ;;
1226   --disable-netmap) netmap="no"
1227   ;;
1228   --enable-netmap) netmap="yes"
1229   ;;
1230   --disable-xen) xen="no"
1231   ;;
1232   --enable-xen) xen="yes"
1233   ;;
1234   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1235   ;;
1236   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1237   ;;
1238   --disable-brlapi) brlapi="no"
1239   ;;
1240   --enable-brlapi) brlapi="yes"
1241   ;;
1242   --disable-kvm) kvm="no"
1243   ;;
1244   --enable-kvm) kvm="yes"
1245   ;;
1246   --disable-hax) hax="no"
1247   ;;
1248   --enable-hax) hax="yes"
1249   ;;
1250   --disable-hvf) hvf="no"
1251   ;;
1252   --enable-hvf) hvf="yes"
1253   ;;
1254   --disable-whpx) whpx="no"
1255   ;;
1256   --enable-whpx) whpx="yes"
1257   ;;
1258   --disable-tcg-interpreter) tcg_interpreter="no"
1259   ;;
1260   --enable-tcg-interpreter) tcg_interpreter="yes"
1261   ;;
1262   --disable-cap-ng)  cap_ng="no"
1263   ;;
1264   --enable-cap-ng) cap_ng="yes"
1265   ;;
1266   --disable-tcg) tcg="no"
1267   ;;
1268   --enable-tcg) tcg="yes"
1269   ;;
1270   --disable-malloc-trim) malloc_trim="no"
1271   ;;
1272   --enable-malloc-trim) malloc_trim="yes"
1273   ;;
1274   --disable-spice) spice="no"
1275   ;;
1276   --enable-spice) spice="yes"
1277   ;;
1278   --disable-libiscsi) libiscsi="no"
1279   ;;
1280   --enable-libiscsi) libiscsi="yes"
1281   ;;
1282   --disable-libnfs) libnfs="no"
1283   ;;
1284   --enable-libnfs) libnfs="yes"
1285   ;;
1286   --enable-profiler) profiler="yes"
1287   ;;
1288   --disable-cocoa) cocoa="no"
1289   ;;
1290   --enable-cocoa)
1291       cocoa="yes" ;
1292       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1293   ;;
1294   --disable-system) softmmu="no"
1295   ;;
1296   --enable-system) softmmu="yes"
1297   ;;
1298   --disable-user)
1299       linux_user="no" ;
1300       bsd_user="no" ;
1301   ;;
1302   --enable-user) ;;
1303   --disable-linux-user) linux_user="no"
1304   ;;
1305   --enable-linux-user) linux_user="yes"
1306   ;;
1307   --disable-bsd-user) bsd_user="no"
1308   ;;
1309   --enable-bsd-user) bsd_user="yes"
1310   ;;
1311   --enable-pie) pie="yes"
1312   ;;
1313   --disable-pie) pie="no"
1314   ;;
1315   --enable-werror) werror="yes"
1316   ;;
1317   --disable-werror) werror="no"
1318   ;;
1319   --enable-stack-protector) stack_protector="yes"
1320   ;;
1321   --disable-stack-protector) stack_protector="no"
1322   ;;
1323   --enable-safe-stack) safe_stack="yes"
1324   ;;
1325   --disable-safe-stack) safe_stack="no"
1326   ;;
1327   --disable-curses) curses="no"
1328   ;;
1329   --enable-curses) curses="yes"
1330   ;;
1331   --disable-iconv) iconv="no"
1332   ;;
1333   --enable-iconv) iconv="yes"
1334   ;;
1335   --disable-curl) curl="no"
1336   ;;
1337   --enable-curl) curl="yes"
1338   ;;
1339   --disable-fdt) fdt="no"
1340   ;;
1341   --enable-fdt) fdt="yes"
1342   ;;
1343   --disable-linux-aio) linux_aio="no"
1344   ;;
1345   --enable-linux-aio) linux_aio="yes"
1346   ;;
1347   --disable-linux-io-uring) linux_io_uring="no"
1348   ;;
1349   --enable-linux-io-uring) linux_io_uring="yes"
1350   ;;
1351   --disable-attr) attr="no"
1352   ;;
1353   --enable-attr) attr="yes"
1354   ;;
1355   --disable-membarrier) membarrier="no"
1356   ;;
1357   --enable-membarrier) membarrier="yes"
1358   ;;
1359   --disable-blobs) blobs="no"
1360   ;;
1361   --with-pkgversion=*) pkgversion="$optarg"
1362   ;;
1363   --with-coroutine=*) coroutine="$optarg"
1364   ;;
1365   --disable-coroutine-pool) coroutine_pool="no"
1366   ;;
1367   --enable-coroutine-pool) coroutine_pool="yes"
1368   ;;
1369   --enable-debug-stack-usage) debug_stack_usage="yes"
1370   ;;
1371   --enable-crypto-afalg) crypto_afalg="yes"
1372   ;;
1373   --disable-crypto-afalg) crypto_afalg="no"
1374   ;;
1375   --disable-docs) docs="no"
1376   ;;
1377   --enable-docs) docs="yes"
1378   ;;
1379   --disable-vhost-net) vhost_net="no"
1380   ;;
1381   --enable-vhost-net) vhost_net="yes"
1382   ;;
1383   --disable-vhost-crypto) vhost_crypto="no"
1384   ;;
1385   --enable-vhost-crypto) vhost_crypto="yes"
1386   ;;
1387   --disable-vhost-scsi) vhost_scsi="no"
1388   ;;
1389   --enable-vhost-scsi) vhost_scsi="yes"
1390   ;;
1391   --disable-vhost-vsock) vhost_vsock="no"
1392   ;;
1393   --enable-vhost-vsock) vhost_vsock="yes"
1394   ;;
1395   --disable-vhost-user-fs) vhost_user_fs="no"
1396   ;;
1397   --enable-vhost-user-fs) vhost_user_fs="yes"
1398   ;;
1399   --disable-opengl) opengl="no"
1400   ;;
1401   --enable-opengl) opengl="yes"
1402   ;;
1403   --disable-rbd) rbd="no"
1404   ;;
1405   --enable-rbd) rbd="yes"
1406   ;;
1407   --disable-xfsctl) xfs="no"
1408   ;;
1409   --enable-xfsctl) xfs="yes"
1410   ;;
1411   --disable-smartcard) smartcard="no"
1412   ;;
1413   --enable-smartcard) smartcard="yes"
1414   ;;
1415   --disable-libusb) libusb="no"
1416   ;;
1417   --enable-libusb) libusb="yes"
1418   ;;
1419   --disable-usb-redir) usb_redir="no"
1420   ;;
1421   --enable-usb-redir) usb_redir="yes"
1422   ;;
1423   --disable-zlib-test) zlib="no"
1424   ;;
1425   --disable-lzo) lzo="no"
1426   ;;
1427   --enable-lzo) lzo="yes"
1428   ;;
1429   --disable-snappy) snappy="no"
1430   ;;
1431   --enable-snappy) snappy="yes"
1432   ;;
1433   --disable-bzip2) bzip2="no"
1434   ;;
1435   --enable-bzip2) bzip2="yes"
1436   ;;
1437   --enable-lzfse) lzfse="yes"
1438   ;;
1439   --disable-lzfse) lzfse="no"
1440   ;;
1441   --disable-zstd) zstd="no"
1442   ;;
1443   --enable-zstd) zstd="yes"
1444   ;;
1445   --enable-guest-agent) guest_agent="yes"
1446   ;;
1447   --disable-guest-agent) guest_agent="no"
1448   ;;
1449   --enable-guest-agent-msi) guest_agent_msi="yes"
1450   ;;
1451   --disable-guest-agent-msi) guest_agent_msi="no"
1452   ;;
1453   --with-vss-sdk) vss_win32_sdk=""
1454   ;;
1455   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1456   ;;
1457   --without-vss-sdk) vss_win32_sdk="no"
1458   ;;
1459   --with-win-sdk) win_sdk=""
1460   ;;
1461   --with-win-sdk=*) win_sdk="$optarg"
1462   ;;
1463   --without-win-sdk) win_sdk="no"
1464   ;;
1465   --enable-tools) want_tools="yes"
1466   ;;
1467   --disable-tools) want_tools="no"
1468   ;;
1469   --enable-seccomp) seccomp="yes"
1470   ;;
1471   --disable-seccomp) seccomp="no"
1472   ;;
1473   --disable-glusterfs) glusterfs="no"
1474   ;;
1475   --disable-avx2) avx2_opt="no"
1476   ;;
1477   --enable-avx2) avx2_opt="yes"
1478   ;;
1479   --disable-avx512f) avx512f_opt="no"
1480   ;;
1481   --enable-avx512f) avx512f_opt="yes"
1482   ;;
1483
1484   --enable-glusterfs) glusterfs="yes"
1485   ;;
1486   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1487       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1488   ;;
1489   --enable-vhdx|--disable-vhdx)
1490       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1491   ;;
1492   --enable-uuid|--disable-uuid)
1493       echo "$0: $opt is obsolete, UUID support is always built" >&2
1494   ;;
1495   --disable-gtk) gtk="no"
1496   ;;
1497   --enable-gtk) gtk="yes"
1498   ;;
1499   --tls-priority=*) tls_priority="$optarg"
1500   ;;
1501   --disable-gnutls) gnutls="no"
1502   ;;
1503   --enable-gnutls) gnutls="yes"
1504   ;;
1505   --disable-nettle) nettle="no"
1506   ;;
1507   --enable-nettle) nettle="yes"
1508   ;;
1509   --disable-gcrypt) gcrypt="no"
1510   ;;
1511   --enable-gcrypt) gcrypt="yes"
1512   ;;
1513   --disable-auth-pam) auth_pam="no"
1514   ;;
1515   --enable-auth-pam) auth_pam="yes"
1516   ;;
1517   --enable-rdma) rdma="yes"
1518   ;;
1519   --disable-rdma) rdma="no"
1520   ;;
1521   --enable-pvrdma) pvrdma="yes"
1522   ;;
1523   --disable-pvrdma) pvrdma="no"
1524   ;;
1525   --disable-vte) vte="no"
1526   ;;
1527   --enable-vte) vte="yes"
1528   ;;
1529   --disable-virglrenderer) virglrenderer="no"
1530   ;;
1531   --enable-virglrenderer) virglrenderer="yes"
1532   ;;
1533   --disable-tpm) tpm="no"
1534   ;;
1535   --enable-tpm) tpm="yes"
1536   ;;
1537   --disable-libssh) libssh="no"
1538   ;;
1539   --enable-libssh) libssh="yes"
1540   ;;
1541   --disable-live-block-migration) live_block_migration="no"
1542   ;;
1543   --enable-live-block-migration) live_block_migration="yes"
1544   ;;
1545   --disable-numa) numa="no"
1546   ;;
1547   --enable-numa) numa="yes"
1548   ;;
1549   --disable-libxml2) libxml2="no"
1550   ;;
1551   --enable-libxml2) libxml2="yes"
1552   ;;
1553   --disable-tcmalloc) tcmalloc="no"
1554   ;;
1555   --enable-tcmalloc) tcmalloc="yes"
1556   ;;
1557   --disable-jemalloc) jemalloc="no"
1558   ;;
1559   --enable-jemalloc) jemalloc="yes"
1560   ;;
1561   --disable-replication) replication="no"
1562   ;;
1563   --enable-replication) replication="yes"
1564   ;;
1565   --disable-bochs) bochs="no"
1566   ;;
1567   --enable-bochs) bochs="yes"
1568   ;;
1569   --disable-cloop) cloop="no"
1570   ;;
1571   --enable-cloop) cloop="yes"
1572   ;;
1573   --disable-dmg) dmg="no"
1574   ;;
1575   --enable-dmg) dmg="yes"
1576   ;;
1577   --disable-qcow1) qcow1="no"
1578   ;;
1579   --enable-qcow1) qcow1="yes"
1580   ;;
1581   --disable-vdi) vdi="no"
1582   ;;
1583   --enable-vdi) vdi="yes"
1584   ;;
1585   --disable-vvfat) vvfat="no"
1586   ;;
1587   --enable-vvfat) vvfat="yes"
1588   ;;
1589   --disable-qed) qed="no"
1590   ;;
1591   --enable-qed) qed="yes"
1592   ;;
1593   --disable-parallels) parallels="no"
1594   ;;
1595   --enable-parallels) parallels="yes"
1596   ;;
1597   --disable-sheepdog) sheepdog="no"
1598   ;;
1599   --enable-sheepdog) sheepdog="yes"
1600   ;;
1601   --disable-vhost-user) vhost_user="no"
1602   ;;
1603   --enable-vhost-user) vhost_user="yes"
1604   ;;
1605   --disable-vhost-vdpa) vhost_vdpa="no"
1606   ;;
1607   --enable-vhost-vdpa) vhost_vdpa="yes"
1608   ;;
1609   --disable-vhost-kernel) vhost_kernel="no"
1610   ;;
1611   --enable-vhost-kernel) vhost_kernel="yes"
1612   ;;
1613   --disable-capstone) capstone="no"
1614   ;;
1615   --enable-capstone) capstone="yes"
1616   ;;
1617   --enable-capstone=git) capstone="git"
1618   ;;
1619   --enable-capstone=system) capstone="system"
1620   ;;
1621   --with-git=*) git="$optarg"
1622   ;;
1623   --enable-git-update) git_update=yes
1624   ;;
1625   --disable-git-update) git_update=no
1626   ;;
1627   --enable-debug-mutex) debug_mutex=yes
1628   ;;
1629   --disable-debug-mutex) debug_mutex=no
1630   ;;
1631   --enable-libpmem) libpmem=yes
1632   ;;
1633   --disable-libpmem) libpmem=no
1634   ;;
1635   --enable-xkbcommon) xkbcommon=yes
1636   ;;
1637   --disable-xkbcommon) xkbcommon=no
1638   ;;
1639   --enable-plugins) plugins="yes"
1640   ;;
1641   --disable-plugins) plugins="no"
1642   ;;
1643   --enable-containers) use_containers="yes"
1644   ;;
1645   --disable-containers) use_containers="no"
1646   ;;
1647   --enable-fuzzing) fuzzing=yes
1648   ;;
1649   --disable-fuzzing) fuzzing=no
1650   ;;
1651   --gdb=*) gdb_bin="$optarg"
1652   ;;
1653   --enable-rng-none) rng_none=yes
1654   ;;
1655   --disable-rng-none) rng_none=no
1656   ;;
1657   --enable-keyring) secret_keyring="yes"
1658   ;;
1659   --disable-keyring) secret_keyring="no"
1660   ;;
1661   --enable-libdaxctl) libdaxctl=yes
1662   ;;
1663   --disable-libdaxctl) libdaxctl=no
1664   ;;
1665   *)
1666       echo "ERROR: unknown option $opt"
1667       echo "Try '$0 --help' for more information"
1668       exit 1
1669   ;;
1670   esac
1671 done
1672
1673 libdir="${libdir:-$prefix/lib}"
1674 libexecdir="${libexecdir:-$prefix/libexec}"
1675 includedir="${includedir:-$prefix/include}"
1676
1677 if test "$mingw32" = "yes" ; then
1678     mandir="$prefix"
1679     datadir="$prefix"
1680     qemu_docdir="$prefix"
1681     bindir="$prefix"
1682     sysconfdir="$prefix"
1683     local_statedir=
1684 else
1685     mandir="${mandir:-$prefix/share/man}"
1686     datadir="${datadir:-$prefix/share}"
1687     qemu_docdir="${qemu_docdir:-$prefix/share/doc/qemu}"
1688     bindir="${bindir:-$prefix/bin}"
1689     sysconfdir="${sysconfdir:-$prefix/etc}"
1690     local_statedir="${local_statedir:-$prefix/var}"
1691 fi
1692
1693 case "$cpu" in
1694     ppc)
1695            CPU_CFLAGS="-m32"
1696            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1697            ;;
1698     ppc64)
1699            CPU_CFLAGS="-m64"
1700            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1701            ;;
1702     sparc)
1703            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1704            QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1705            ;;
1706     sparc64)
1707            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1708            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1709            ;;
1710     s390)
1711            CPU_CFLAGS="-m31"
1712            QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1713            ;;
1714     s390x)
1715            CPU_CFLAGS="-m64"
1716            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1717            ;;
1718     i386)
1719            CPU_CFLAGS="-m32"
1720            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1721            ;;
1722     x86_64)
1723            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1724            # If we truly care, we should simply detect this case at
1725            # runtime and generate the fallback to serial emulation.
1726            CPU_CFLAGS="-m64 -mcx16"
1727            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1728            ;;
1729     x32)
1730            CPU_CFLAGS="-mx32"
1731            QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1732            ;;
1733     # No special flags required for other host CPUs
1734 esac
1735
1736 eval "cross_cc_${cpu}=\$host_cc"
1737 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1738 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1739
1740 # For user-mode emulation the host arch has to be one we explicitly
1741 # support, even if we're using TCI.
1742 if [ "$ARCH" = "unknown" ]; then
1743   bsd_user="no"
1744   linux_user="no"
1745 fi
1746
1747 if [ "$bsd_user" = "no" -a "$linux_user" = "no" -a "$softmmu" = "no" ] ; then
1748   tcg="no"
1749 fi
1750
1751 default_target_list=""
1752
1753 mak_wilds=""
1754
1755 if [ "$softmmu" = "yes" ]; then
1756     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1757 fi
1758 if [ "$linux_user" = "yes" ]; then
1759     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1760 fi
1761 if [ "$bsd_user" = "yes" ]; then
1762     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1763 fi
1764
1765 if test -z "$target_list_exclude"; then
1766     for config in $mak_wilds; do
1767         default_target_list="${default_target_list} $(basename "$config" .mak)"
1768     done
1769 else
1770     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1771     for config in $mak_wilds; do
1772         target="$(basename "$config" .mak)"
1773         exclude="no"
1774         for excl in $exclude_list; do
1775             if test "$excl" = "$target"; then
1776                 exclude="yes"
1777                 break;
1778             fi
1779         done
1780         if test "$exclude" = "no"; then
1781             default_target_list="${default_target_list} $target"
1782         fi
1783     done
1784 fi
1785
1786 # Enumerate public trace backends for --help output
1787 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1788
1789 if test x"$show_help" = x"yes" ; then
1790 cat << EOF
1791
1792 Usage: configure [options]
1793 Options: [defaults in brackets after descriptions]
1794
1795 Standard options:
1796   --help                   print this message
1797   --prefix=PREFIX          install in PREFIX [$prefix]
1798   --interp-prefix=PREFIX   where to find shared libraries, etc.
1799                            use %M for cpu name [$interp_prefix]
1800   --target-list=LIST       set target list (default: build everything)
1801 $(echo Available targets: $default_target_list | \
1802   fold -s -w 53 | sed -e 's/^/                           /')
1803   --target-list-exclude=LIST exclude a set of targets from the default target-list
1804
1805 Advanced options (experts only):
1806   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1807   --cc=CC                  use C compiler CC [$cc]
1808   --iasl=IASL              use ACPI compiler IASL [$iasl]
1809   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1810                            build time
1811   --cxx=CXX                use C++ compiler CXX [$cxx]
1812   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1813   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1814   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1815   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1816   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1817   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1818   --make=MAKE              use specified make [$make]
1819   --install=INSTALL        use specified install [$install]
1820   --python=PYTHON          use specified python [$python]
1821   --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1822   --meson=MESON            use specified meson [$meson]
1823   --smbd=SMBD              use specified smbd [$smbd]
1824   --with-git=GIT           use specified git [$git]
1825   --static                 enable static build [$static]
1826   --mandir=PATH            install man pages in PATH
1827   --datadir=PATH           install firmware in PATH$confsuffix
1828   --docdir=PATH            install documentation in PATH$confsuffix
1829   --bindir=PATH            install binaries in PATH
1830   --libdir=PATH            install libraries in PATH
1831   --libexecdir=PATH        install helper binaries in PATH
1832   --sysconfdir=PATH        install config in PATH$confsuffix
1833   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1834   --firmwarepath=PATH      search PATH for firmware files
1835   --efi-aarch64=PATH       PATH of efi file to use for aarch64 VMs.
1836   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1837   --with-pkgversion=VERS   use specified string as sub-version of the package
1838   --enable-debug           enable common debug build options
1839   --enable-sanitizers      enable default sanitizers
1840   --enable-tsan            enable thread sanitizer
1841   --disable-strip          disable stripping binaries
1842   --disable-werror         disable compilation abort on warning
1843   --disable-stack-protector disable compiler-provided stack protection
1844   --audio-drv-list=LIST    set audio drivers list:
1845                            Available drivers: $audio_possible_drivers
1846   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1847   --block-drv-rw-whitelist=L
1848                            set block driver read-write whitelist
1849                            (affects only QEMU, not qemu-img)
1850   --block-drv-ro-whitelist=L
1851                            set block driver read-only whitelist
1852                            (affects only QEMU, not qemu-img)
1853   --enable-trace-backends=B Set trace backend
1854                            Available backends: $trace_backend_list
1855   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1856                            Default:trace-<pid>
1857   --disable-slirp          disable SLIRP userspace network connectivity
1858   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1859   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1860   --oss-lib                path to OSS library
1861   --cpu=CPU                Build for host CPU [$cpu]
1862   --with-coroutine=BACKEND coroutine backend. Supported options:
1863                            ucontext, sigaltstack, windows
1864   --enable-gcov            enable test coverage analysis with gcov
1865   --gcov=GCOV              use specified gcov [$gcov_tool]
1866   --disable-blobs          disable installing provided firmware blobs
1867   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1868   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1869   --tls-priority           default TLS protocol/cipher priority string
1870   --enable-gprof           QEMU profiling with gprof
1871   --enable-profiler        profiler support
1872   --enable-debug-stack-usage
1873                            track the maximum stack usage of stacks created by qemu_alloc_stack
1874   --enable-plugins
1875                            enable plugins via shared library loading
1876   --disable-containers     don't use containers for cross-building
1877   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1878
1879 Optional features, enabled with --enable-FEATURE and
1880 disabled with --disable-FEATURE, default is enabled if available:
1881
1882   system          all system emulation targets
1883   user            supported user emulation targets
1884   linux-user      all linux usermode emulation targets
1885   bsd-user        all BSD usermode emulation targets
1886   docs            build documentation
1887   guest-agent     build the QEMU Guest Agent
1888   guest-agent-msi build guest agent Windows MSI installation package
1889   pie             Position Independent Executables
1890   modules         modules support (non-Windows)
1891   module-upgrades try to load modules from alternate paths for upgrades
1892   debug-tcg       TCG debugging (default is disabled)
1893   debug-info      debugging information
1894   sparse          sparse checker
1895   safe-stack      SafeStack Stack Smash Protection. Depends on
1896                   clang/llvm >= 3.7 and requires coroutine backend ucontext.
1897
1898   gnutls          GNUTLS cryptography support
1899   nettle          nettle cryptography support
1900   gcrypt          libgcrypt cryptography support
1901   auth-pam        PAM access control
1902   sdl             SDL UI
1903   sdl-image       SDL Image support for icons
1904   gtk             gtk UI
1905   vte             vte support for the gtk UI
1906   curses          curses UI
1907   iconv           font glyph conversion support
1908   vnc             VNC UI support
1909   vnc-sasl        SASL encryption for VNC server
1910   vnc-jpeg        JPEG lossy compression for VNC server
1911   vnc-png         PNG compression for VNC server
1912   cocoa           Cocoa UI (Mac OS X only)
1913   virtfs          VirtFS
1914   mpath           Multipath persistent reservation passthrough
1915   xen             xen backend driver support
1916   xen-pci-passthrough    PCI passthrough support for Xen
1917   brlapi          BrlAPI (Braile)
1918   curl            curl connectivity
1919   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1920   fdt             fdt device tree
1921   kvm             KVM acceleration support
1922   hax             HAX acceleration support
1923   hvf             Hypervisor.framework acceleration support
1924   whpx            Windows Hypervisor Platform acceleration support
1925   rdma            Enable RDMA-based migration
1926   pvrdma          Enable PVRDMA support
1927   vde             support for vde network
1928   netmap          support for netmap network
1929   linux-aio       Linux AIO support
1930   linux-io-uring  Linux io_uring support
1931   cap-ng          libcap-ng support
1932   attr            attr and xattr support
1933   vhost-net       vhost-net kernel acceleration support
1934   vhost-vsock     virtio sockets device support
1935   vhost-scsi      vhost-scsi kernel target support
1936   vhost-crypto    vhost-user-crypto backend support
1937   vhost-kernel    vhost kernel backend support
1938   vhost-user      vhost-user backend support
1939   vhost-vdpa      vhost-vdpa kernel backend support
1940   spice           spice
1941   rbd             rados block device (rbd)
1942   libiscsi        iscsi support
1943   libnfs          nfs support
1944   smartcard       smartcard support (libcacard)
1945   libusb          libusb (for usb passthrough)
1946   live-block-migration   Block migration in the main migration stream
1947   usb-redir       usb network redirection support
1948   lzo             support of lzo compression library
1949   snappy          support of snappy compression library
1950   bzip2           support of bzip2 compression library
1951                   (for reading bzip2-compressed dmg images)
1952   lzfse           support of lzfse compression library
1953                   (for reading lzfse-compressed dmg images)
1954   zstd            support for zstd compression library
1955                   (for migration compression and qcow2 cluster compression)
1956   seccomp         seccomp support
1957   coroutine-pool  coroutine freelist (better performance)
1958   glusterfs       GlusterFS backend
1959   tpm             TPM support
1960   libssh          ssh block device support
1961   numa            libnuma support
1962   libxml2         for Parallels image format
1963   tcmalloc        tcmalloc support
1964   jemalloc        jemalloc support
1965   avx2            AVX2 optimization support
1966   avx512f         AVX512F optimization support
1967   replication     replication support
1968   opengl          opengl support
1969   virglrenderer   virgl rendering support
1970   xfsctl          xfsctl support
1971   qom-cast-debug  cast debugging support
1972   tools           build qemu-io, qemu-nbd and qemu-img tools
1973   bochs           bochs image format support
1974   cloop           cloop image format support
1975   dmg             dmg image format support
1976   qcow1           qcow v1 image format support
1977   vdi             vdi image format support
1978   vvfat           vvfat image format support
1979   qed             qed image format support
1980   parallels       parallels image format support
1981   sheepdog        sheepdog block driver support
1982   crypto-afalg    Linux AF_ALG crypto backend driver
1983   capstone        capstone disassembler support
1984   debug-mutex     mutex debugging support
1985   libpmem         libpmem support
1986   xkbcommon       xkbcommon support
1987   rng-none        dummy RNG, avoid using /dev/(u)random and getrandom()
1988   libdaxctl       libdaxctl support
1989
1990 NOTE: The object files are built at the place where configure is launched
1991 EOF
1992 exit 0
1993 fi
1994
1995 # Remove old dependency files to make sure that they get properly regenerated
1996 rm -f */config-devices.mak.d
1997
1998 # Remove syscall_nr.h to be sure they will be regenerated in the build
1999 # directory, not in the source directory
2000 for arch in alpha hppa m68k xtensa sh4 microblaze arm ppc s390x sparc sparc64 \
2001     i386 x86_64 mips mips64 ; do
2002     # remove the file if it has been generated in the source directory
2003     rm -f "${source_path}/linux-user/${arch}/syscall_nr.h"
2004     # remove the dependency files
2005     for target in ${arch}*-linux-user ; do
2006         test -d "${target}" && find "${target}" -type f -name "*.d" \
2007              -exec grep -q "${source_path}/linux-user/${arch}/syscall_nr.h" {} \; \
2008              -print | while read file ; do rm "${file}" "${file%.d}.o" ; done
2009     done
2010 done
2011
2012 if test -z "$python"
2013 then
2014     error_exit "Python not found. Use --python=/path/to/python"
2015 fi
2016
2017 # Note that if the Python conditional here evaluates True we will exit
2018 # with status 1 which is a shell 'false' value.
2019 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
2020   error_exit "Cannot use '$python', Python >= 3.5 is required." \
2021       "Use --python=/path/to/python to specify a supported Python."
2022 fi
2023
2024 # Preserve python version since some functionality is dependent on it
2025 python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null)
2026
2027 # Suppress writing compiled files
2028 python="$python -B"
2029
2030 if ! has "$meson"
2031 then
2032     error_exit "Meson not found. Use --meson=/path/to/meson"
2033 fi
2034 meson=$(command -v $meson)
2035
2036 if ! $python -c 'import pkg_resources' > /dev/null 2>&1; then
2037   error_exit "Python setuptools not found"
2038 fi
2039
2040 # Check that the C compiler works. Doing this here before testing
2041 # the host CPU ensures that we had a valid CC to autodetect the
2042 # $cpu var (and we should bail right here if that's not the case).
2043 # It also allows the help message to be printed without a CC.
2044 write_c_skeleton;
2045 if compile_object ; then
2046   : C compiler works ok
2047 else
2048     error_exit "\"$cc\" either does not exist or does not work"
2049 fi
2050 if ! compile_prog ; then
2051     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
2052 fi
2053
2054 # Now we have handled --enable-tcg-interpreter and know we're not just
2055 # printing the help message, bail out if the host CPU isn't supported.
2056 if test "$ARCH" = "unknown"; then
2057     if test "$tcg_interpreter" = "yes" ; then
2058         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
2059     else
2060         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
2061     fi
2062 fi
2063
2064 # Consult white-list to determine whether to enable werror
2065 # by default.  Only enable by default for git builds
2066 if test -z "$werror" ; then
2067     if test -e "$source_path/.git" && \
2068         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
2069         werror="yes"
2070     else
2071         werror="no"
2072     fi
2073 fi
2074
2075 if test "$bogus_os" = "yes"; then
2076     # Now that we know that we're not printing the help and that
2077     # the compiler works (so the results of the check_defines we used
2078     # to identify the OS are reliable), if we didn't recognize the
2079     # host OS we should stop now.
2080     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
2081 fi
2082
2083 # Check whether the compiler matches our minimum requirements:
2084 cat > $TMPC << EOF
2085 #if defined(__clang_major__) && defined(__clang_minor__)
2086 # ifdef __apple_build_version__
2087 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
2088 #   error You need at least XCode Clang v5.1 to compile QEMU
2089 #  endif
2090 # else
2091 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
2092 #   error You need at least Clang v3.4 to compile QEMU
2093 #  endif
2094 # endif
2095 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
2096 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
2097 #  error You need at least GCC v4.8 to compile QEMU
2098 # endif
2099 #else
2100 # error You either need GCC or Clang to compiler QEMU
2101 #endif
2102 int main (void) { return 0; }
2103 EOF
2104 if ! compile_prog "" "" ; then
2105     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2106 fi
2107
2108 # Accumulate -Wfoo and -Wno-bar separately.
2109 # We will list all of the enable flags first, and the disable flags second.
2110 # Note that we do not add -Werror, because that would enable it for all
2111 # configure tests. If a configure test failed due to -Werror this would
2112 # just silently disable some features, so it's too error prone.
2113
2114 warn_flags=
2115 add_to warn_flags -Wold-style-declaration
2116 add_to warn_flags -Wold-style-definition
2117 add_to warn_flags -Wtype-limits
2118 add_to warn_flags -Wformat-security
2119 add_to warn_flags -Wformat-y2k
2120 add_to warn_flags -Winit-self
2121 add_to warn_flags -Wignored-qualifiers
2122 add_to warn_flags -Wempty-body
2123 add_to warn_flags -Wnested-externs
2124 add_to warn_flags -Wendif-labels
2125 add_to warn_flags -Wexpansion-to-defined
2126
2127 nowarn_flags=
2128 add_to nowarn_flags -Wno-initializer-overrides
2129 add_to nowarn_flags -Wno-missing-include-dirs
2130 add_to nowarn_flags -Wno-shift-negative-value
2131 add_to nowarn_flags -Wno-string-plus-int
2132 add_to nowarn_flags -Wno-typedef-redefinition
2133 add_to nowarn_flags -Wno-tautological-type-limit-compare
2134 add_to nowarn_flags -Wno-psabi
2135
2136 gcc_flags="$warn_flags $nowarn_flags"
2137
2138 cc_has_warning_flag() {
2139     write_c_skeleton;
2140
2141     # Use the positive sense of the flag when testing for -Wno-wombat
2142     # support (gcc will happily accept the -Wno- form of unknown
2143     # warning options).
2144     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2145     compile_prog "-Werror $optflag" ""
2146 }
2147
2148 for flag in $gcc_flags; do
2149     if cc_has_warning_flag $flag ; then
2150         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2151     fi
2152 done
2153
2154 if test "$stack_protector" != "no"; then
2155   cat > $TMPC << EOF
2156 int main(int argc, char *argv[])
2157 {
2158     char arr[64], *p = arr, *c = argv[0];
2159     while (*c) {
2160         *p++ = *c++;
2161     }
2162     return 0;
2163 }
2164 EOF
2165   gcc_flags="-fstack-protector-strong -fstack-protector-all"
2166   sp_on=0
2167   for flag in $gcc_flags; do
2168     # We need to check both a compile and a link, since some compiler
2169     # setups fail only on a .c->.o compile and some only at link time
2170     if compile_object "-Werror $flag" &&
2171        compile_prog "-Werror $flag" ""; then
2172       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2173       QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2174       sp_on=1
2175       break
2176     fi
2177   done
2178   if test "$stack_protector" = yes; then
2179     if test $sp_on = 0; then
2180       error_exit "Stack protector not supported"
2181     fi
2182   fi
2183 fi
2184
2185 # Disable -Wmissing-braces on older compilers that warn even for
2186 # the "universal" C zero initializer {0}.
2187 cat > $TMPC << EOF
2188 struct {
2189   int a[2];
2190 } x = {0};
2191 EOF
2192 if compile_object "-Werror" "" ; then
2193   :
2194 else
2195   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2196 fi
2197
2198 # Our module code doesn't support Windows
2199 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2200   error_exit "Modules are not available for Windows"
2201 fi
2202
2203 # module_upgrades is only reasonable if modules are enabled
2204 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2205   error_exit "Can't enable module-upgrades as Modules are not enabled"
2206 fi
2207
2208 # Static linking is not possible with modules or PIE
2209 if test "$static" = "yes" ; then
2210   if test "$modules" = "yes" ; then
2211     error_exit "static and modules are mutually incompatible"
2212   fi
2213 fi
2214
2215 # Unconditional check for compiler __thread support
2216   cat > $TMPC << EOF
2217 static __thread int tls_var;
2218 int main(void) { return tls_var; }
2219 EOF
2220
2221 if ! compile_prog "-Werror" "" ; then
2222     error_exit "Your compiler does not support the __thread specifier for " \
2223         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2224 fi
2225
2226 cat > $TMPC << EOF
2227
2228 #ifdef __linux__
2229 #  define THREAD __thread
2230 #else
2231 #  define THREAD
2232 #endif
2233 static THREAD int tls_var;
2234 int main(void) { return tls_var; }
2235 EOF
2236
2237 # Check we support --no-pie first; we will need this for building ROMs.
2238 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2239   CFLAGS_NOPIE="-fno-pie"
2240   LDFLAGS_NOPIE="-no-pie"
2241 fi
2242
2243 if test "$static" = "yes"; then
2244   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2245     CFLAGS="-fPIE -DPIE $CFLAGS"
2246     QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2247     pie="yes"
2248   elif test "$pie" = "yes"; then
2249     error_exit "-static-pie not available due to missing toolchain support"
2250   else
2251     QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2252     pie="no"
2253   fi
2254 elif test "$pie" = "no"; then
2255   CFLAGS="$CFLAGS_NOPIE $CFLAGS"
2256   LDFLAGS="$LDFLAGS_NOPIE $LDFLAGS"
2257 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2258   CFLAGS="-fPIE -DPIE $CFLAGS"
2259   LDFLAGS="-pie $LDFLAGS"
2260   pie="yes"
2261 elif test "$pie" = "yes"; then
2262   error_exit "PIE not available due to missing toolchain support"
2263 else
2264   echo "Disabling PIE due to missing toolchain support"
2265   pie="no"
2266 fi
2267
2268 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2269 # The combination is known as "full relro", because .got.plt is read-only too.
2270 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2271   QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2272 fi
2273
2274 ##########################################
2275 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2276 # use i686 as default anyway, but for those that don't, an explicit
2277 # specification is necessary
2278
2279 if test "$cpu" = "i386"; then
2280   cat > $TMPC << EOF
2281 static int sfaa(int *ptr)
2282 {
2283   return __sync_fetch_and_and(ptr, 0);
2284 }
2285
2286 int main(void)
2287 {
2288   int val = 42;
2289   val = __sync_val_compare_and_swap(&val, 0, 1);
2290   sfaa(&val);
2291   return val;
2292 }
2293 EOF
2294   if ! compile_prog "" "" ; then
2295     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2296   fi
2297 fi
2298
2299 #########################################
2300 # Solaris specific configure tool chain decisions
2301
2302 if test "$solaris" = "yes" ; then
2303   if has $install; then
2304     :
2305   else
2306     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2307         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2308         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2309   fi
2310   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2311     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2312         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2313         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2314   fi
2315   if has ar; then
2316     :
2317   else
2318     if test -f /usr/ccs/bin/ar ; then
2319       error_exit "No path includes ar" \
2320           "Add /usr/ccs/bin to your path and rerun configure"
2321     fi
2322     error_exit "No path includes ar"
2323   fi
2324 fi
2325
2326 if test -z "${target_list+xxx}" ; then
2327     for target in $default_target_list; do
2328         supported_target $target 2>/dev/null && \
2329             target_list="$target_list $target"
2330     done
2331     target_list="${target_list# }"
2332 else
2333     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2334     for target in $target_list; do
2335         # Check that we recognised the target name; this allows a more
2336         # friendly error message than if we let it fall through.
2337         case " $default_target_list " in
2338             *" $target "*)
2339                 ;;
2340             *)
2341                 error_exit "Unknown target name '$target'"
2342                 ;;
2343         esac
2344         supported_target $target || exit 1
2345     done
2346 fi
2347
2348 # see if system emulation was really requested
2349 case " $target_list " in
2350   *"-softmmu "*) softmmu=yes
2351   ;;
2352   *) softmmu=no
2353   ;;
2354 esac
2355
2356 for target in $target_list; do
2357   case "$target" in
2358     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2359       edk2_blobs="yes"
2360       ;;
2361   esac
2362 done
2363 # The EDK2 binaries are compressed with bzip2
2364 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2365   error_exit "The bzip2 program is required for building QEMU"
2366 fi
2367
2368 feature_not_found() {
2369   feature=$1
2370   remedy=$2
2371
2372   error_exit "User requested feature $feature" \
2373       "configure was not able to find it." \
2374       "$remedy"
2375 }
2376
2377 # ---
2378 # big/little endian test
2379 cat > $TMPC << EOF
2380 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2381 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2382 extern int foo(short *, short *);
2383 int main(int argc, char *argv[]) {
2384     return foo(big_endian, little_endian);
2385 }
2386 EOF
2387
2388 if compile_object ; then
2389     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2390         bigendian="yes"
2391     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2392         bigendian="no"
2393     else
2394         echo big/little test failed
2395     fi
2396 else
2397     echo big/little test failed
2398 fi
2399
2400 ##########################################
2401 # system tools
2402 if test -z "$want_tools"; then
2403     if test "$softmmu" = "no"; then
2404         want_tools=no
2405     else
2406         want_tools=yes
2407     fi
2408 fi
2409
2410 ##########################################
2411 # cocoa implies not SDL or GTK
2412 # (the cocoa UI code currently assumes it is always the active UI
2413 # and doesn't interact well with other UI frontend code)
2414 if test "$cocoa" = "yes"; then
2415     if test "$sdl" = "yes"; then
2416         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2417     fi
2418     if test "$gtk" = "yes"; then
2419         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2420     fi
2421     gtk=no
2422     sdl=no
2423 fi
2424
2425 # Some versions of Mac OS X incorrectly define SIZE_MAX
2426 cat > $TMPC << EOF
2427 #include <stdint.h>
2428 #include <stdio.h>
2429 int main(int argc, char *argv[]) {
2430     return printf("%zu", SIZE_MAX);
2431 }
2432 EOF
2433 have_broken_size_max=no
2434 if ! compile_object -Werror ; then
2435     have_broken_size_max=yes
2436 fi
2437
2438 ##########################################
2439 # L2TPV3 probe
2440
2441 cat > $TMPC <<EOF
2442 #include <sys/socket.h>
2443 #include <linux/ip.h>
2444 int main(void) { return sizeof(struct mmsghdr); }
2445 EOF
2446 if compile_prog "" "" ; then
2447   l2tpv3=yes
2448 else
2449   l2tpv3=no
2450 fi
2451
2452 if check_include "pty.h" ; then
2453   pty_h=yes
2454 else
2455   pty_h=no
2456 fi
2457
2458 cat > $TMPC <<EOF
2459 #include <sys/mman.h>
2460 int main(int argc, char *argv[]) {
2461     return mlockall(MCL_FUTURE);
2462 }
2463 EOF
2464 if compile_prog "" "" ; then
2465   have_mlockall=yes
2466 else
2467   have_mlockall=no
2468 fi
2469
2470 #########################################
2471 # vhost interdependencies and host support
2472
2473 # vhost backends
2474 test "$vhost_user" = "" && vhost_user=yes
2475 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2476   error_exit "vhost-user isn't available on win32"
2477 fi
2478 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2479 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2480   error_exit "vhost-vdpa is only available on Linux"
2481 fi
2482 test "$vhost_kernel" = "" && vhost_kernel=$linux
2483 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2484   error_exit "vhost-kernel is only available on Linux"
2485 fi
2486
2487 # vhost-kernel devices
2488 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2489 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2490   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2491 fi
2492 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2493 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2494   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2495 fi
2496
2497 # vhost-user backends
2498 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2499 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2500   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2501 fi
2502 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2503 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2504   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2505 fi
2506 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2507 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2508   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2509 fi
2510 #vhost-vdpa backends
2511 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2512 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2513   error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2514 fi
2515
2516 # OR the vhost-kernel and vhost-user values for simplicity
2517 if test "$vhost_net" = ""; then
2518   test "$vhost_net_user" = "yes" && vhost_net=yes
2519   test "$vhost_kernel" = "yes" && vhost_net=yes
2520 fi
2521
2522 ##########################################
2523 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2524
2525 if test "$mingw32" = "yes"; then
2526     # Some versions of MinGW / Mingw-w64 lack localtime_r
2527     # and gmtime_r entirely.
2528     #
2529     # Some versions of Mingw-w64 define a macro for
2530     # localtime_r/gmtime_r.
2531     #
2532     # Some versions of Mingw-w64 will define functions
2533     # for localtime_r/gmtime_r, but only if you have
2534     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2535     # though, unistd.h and pthread.h both define
2536     # that for you.
2537     #
2538     # So this #undef localtime_r and #include <unistd.h>
2539     # are not in fact redundant.
2540 cat > $TMPC << EOF
2541 #include <unistd.h>
2542 #include <time.h>
2543 #undef localtime_r
2544 int main(void) { localtime_r(NULL, NULL); return 0; }
2545 EOF
2546     if compile_prog "" "" ; then
2547         localtime_r="yes"
2548     else
2549         localtime_r="no"
2550     fi
2551 fi
2552
2553 ##########################################
2554 # pkg-config probe
2555
2556 if ! has "$pkg_config_exe"; then
2557   error_exit "pkg-config binary '$pkg_config_exe' not found"
2558 fi
2559
2560 ##########################################
2561 # NPTL probe
2562
2563 if test "$linux_user" = "yes"; then
2564   cat > $TMPC <<EOF
2565 #include <sched.h>
2566 #include <linux/futex.h>
2567 int main(void) {
2568 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2569 #error bork
2570 #endif
2571   return 0;
2572 }
2573 EOF
2574   if ! compile_object ; then
2575     feature_not_found "nptl" "Install glibc and linux kernel headers."
2576   fi
2577 fi
2578
2579 ##########################################
2580 # lzo check
2581
2582 if test "$lzo" != "no" ; then
2583     cat > $TMPC << EOF
2584 #include <lzo/lzo1x.h>
2585 int main(void) { lzo_version(); return 0; }
2586 EOF
2587     if compile_prog "" "-llzo2" ; then
2588         libs_softmmu="$libs_softmmu -llzo2"
2589         lzo="yes"
2590     else
2591         if test "$lzo" = "yes"; then
2592             feature_not_found "liblzo2" "Install liblzo2 devel"
2593         fi
2594         lzo="no"
2595     fi
2596 fi
2597
2598 ##########################################
2599 # snappy check
2600
2601 if test "$snappy" != "no" ; then
2602     cat > $TMPC << EOF
2603 #include <snappy-c.h>
2604 int main(void) { snappy_max_compressed_length(4096); return 0; }
2605 EOF
2606     if compile_prog "" "-lsnappy" ; then
2607         libs_softmmu="$libs_softmmu -lsnappy"
2608         snappy="yes"
2609     else
2610         if test "$snappy" = "yes"; then
2611             feature_not_found "libsnappy" "Install libsnappy devel"
2612         fi
2613         snappy="no"
2614     fi
2615 fi
2616
2617 ##########################################
2618 # bzip2 check
2619
2620 if test "$bzip2" != "no" ; then
2621     cat > $TMPC << EOF
2622 #include <bzlib.h>
2623 int main(void) { BZ2_bzlibVersion(); return 0; }
2624 EOF
2625     if compile_prog "" "-lbz2" ; then
2626         bzip2="yes"
2627     else
2628         if test "$bzip2" = "yes"; then
2629             feature_not_found "libbzip2" "Install libbzip2 devel"
2630         fi
2631         bzip2="no"
2632     fi
2633 fi
2634
2635 ##########################################
2636 # lzfse check
2637
2638 if test "$lzfse" != "no" ; then
2639     cat > $TMPC << EOF
2640 #include <lzfse.h>
2641 int main(void) { lzfse_decode_scratch_size(); return 0; }
2642 EOF
2643     if compile_prog "" "-llzfse" ; then
2644         lzfse="yes"
2645     else
2646         if test "$lzfse" = "yes"; then
2647             feature_not_found "lzfse" "Install lzfse devel"
2648         fi
2649         lzfse="no"
2650     fi
2651 fi
2652
2653 ##########################################
2654 # zstd check
2655
2656 if test "$zstd" != "no" ; then
2657     libzstd_minver="1.4.0"
2658     if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2659         zstd_cflags="$($pkg_config --cflags libzstd)"
2660         zstd_libs="$($pkg_config --libs libzstd)"
2661         LIBS="$zstd_libs $LIBS"
2662         QEMU_CFLAGS="$QEMU_CFLAGS $zstd_cflags"
2663         zstd="yes"
2664     else
2665         if test "$zstd" = "yes" ; then
2666             feature_not_found "libzstd" "Install libzstd devel"
2667         fi
2668         zstd="no"
2669     fi
2670 fi
2671
2672 ##########################################
2673 # libseccomp check
2674
2675 if test "$seccomp" != "no" ; then
2676     libseccomp_minver="2.3.0"
2677     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2678         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2679         seccomp_libs="$($pkg_config --libs libseccomp)"
2680         seccomp="yes"
2681     else
2682         if test "$seccomp" = "yes" ; then
2683             feature_not_found "libseccomp" \
2684                  "Install libseccomp devel >= $libseccomp_minver"
2685         fi
2686         seccomp="no"
2687     fi
2688 fi
2689 ##########################################
2690 # xen probe
2691
2692 if test "$xen" != "no" ; then
2693   # Check whether Xen library path is specified via --extra-ldflags to avoid
2694   # overriding this setting with pkg-config output. If not, try pkg-config
2695   # to obtain all needed flags.
2696
2697   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2698      $pkg_config --exists xencontrol ; then
2699     xen_ctrl_version="$(printf '%d%02d%02d' \
2700       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2701     xen=yes
2702     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2703     xen_pc="$xen_pc xenevtchn xendevicemodel"
2704     if $pkg_config --exists xentoolcore; then
2705       xen_pc="$xen_pc xentoolcore"
2706     fi
2707     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2708     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2709   else
2710
2711     xen_libs="-lxenstore -lxenctrl -lxenguest"
2712     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2713
2714     # First we test whether Xen headers and libraries are available.
2715     # If no, we are done and there is no Xen support.
2716     # If yes, more tests are run to detect the Xen version.
2717
2718     # Xen (any)
2719     cat > $TMPC <<EOF
2720 #include <xenctrl.h>
2721 int main(void) {
2722   return 0;
2723 }
2724 EOF
2725     if ! compile_prog "" "$xen_libs" ; then
2726       # Xen not found
2727       if test "$xen" = "yes" ; then
2728         feature_not_found "xen" "Install xen devel"
2729       fi
2730       xen=no
2731
2732     # Xen unstable
2733     elif
2734         cat > $TMPC <<EOF &&
2735 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2736 #define __XEN_TOOLS__
2737 #include <xendevicemodel.h>
2738 #include <xenforeignmemory.h>
2739 int main(void) {
2740   xendevicemodel_handle *xd;
2741   xenforeignmemory_handle *xfmem;
2742
2743   xd = xendevicemodel_open(0, 0);
2744   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2745
2746   xfmem = xenforeignmemory_open(0, 0);
2747   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2748
2749   return 0;
2750 }
2751 EOF
2752         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2753       then
2754       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2755       xen_ctrl_version=41100
2756       xen=yes
2757     elif
2758         cat > $TMPC <<EOF &&
2759 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2760 #include <xenforeignmemory.h>
2761 #include <xentoolcore.h>
2762 int main(void) {
2763   xenforeignmemory_handle *xfmem;
2764
2765   xfmem = xenforeignmemory_open(0, 0);
2766   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2767   xentoolcore_restrict_all(0);
2768
2769   return 0;
2770 }
2771 EOF
2772         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2773       then
2774       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2775       xen_ctrl_version=41000
2776       xen=yes
2777     elif
2778         cat > $TMPC <<EOF &&
2779 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2780 #define __XEN_TOOLS__
2781 #include <xendevicemodel.h>
2782 int main(void) {
2783   xendevicemodel_handle *xd;
2784
2785   xd = xendevicemodel_open(0, 0);
2786   xendevicemodel_close(xd);
2787
2788   return 0;
2789 }
2790 EOF
2791         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2792       then
2793       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2794       xen_ctrl_version=40900
2795       xen=yes
2796     elif
2797         cat > $TMPC <<EOF &&
2798 /*
2799  * If we have stable libs the we don't want the libxc compat
2800  * layers, regardless of what CFLAGS we may have been given.
2801  *
2802  * Also, check if xengnttab_grant_copy_segment_t is defined and
2803  * grant copy operation is implemented.
2804  */
2805 #undef XC_WANT_COMPAT_EVTCHN_API
2806 #undef XC_WANT_COMPAT_GNTTAB_API
2807 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2808 #include <xenctrl.h>
2809 #include <xenstore.h>
2810 #include <xenevtchn.h>
2811 #include <xengnttab.h>
2812 #include <xenforeignmemory.h>
2813 #include <stdint.h>
2814 #include <xen/hvm/hvm_info_table.h>
2815 #if !defined(HVM_MAX_VCPUS)
2816 # error HVM_MAX_VCPUS not defined
2817 #endif
2818 int main(void) {
2819   xc_interface *xc = NULL;
2820   xenforeignmemory_handle *xfmem;
2821   xenevtchn_handle *xe;
2822   xengnttab_handle *xg;
2823   xengnttab_grant_copy_segment_t* seg = NULL;
2824
2825   xs_daemon_open();
2826
2827   xc = xc_interface_open(0, 0, 0);
2828   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2829   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2830   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2831   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2832
2833   xfmem = xenforeignmemory_open(0, 0);
2834   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2835
2836   xe = xenevtchn_open(0, 0);
2837   xenevtchn_fd(xe);
2838
2839   xg = xengnttab_open(0, 0);
2840   xengnttab_grant_copy(xg, 0, seg);
2841
2842   return 0;
2843 }
2844 EOF
2845         compile_prog "" "$xen_libs $xen_stable_libs"
2846       then
2847       xen_ctrl_version=40800
2848       xen=yes
2849     elif
2850         cat > $TMPC <<EOF &&
2851 /*
2852  * If we have stable libs the we don't want the libxc compat
2853  * layers, regardless of what CFLAGS we may have been given.
2854  */
2855 #undef XC_WANT_COMPAT_EVTCHN_API
2856 #undef XC_WANT_COMPAT_GNTTAB_API
2857 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2858 #include <xenctrl.h>
2859 #include <xenstore.h>
2860 #include <xenevtchn.h>
2861 #include <xengnttab.h>
2862 #include <xenforeignmemory.h>
2863 #include <stdint.h>
2864 #include <xen/hvm/hvm_info_table.h>
2865 #if !defined(HVM_MAX_VCPUS)
2866 # error HVM_MAX_VCPUS not defined
2867 #endif
2868 int main(void) {
2869   xc_interface *xc = NULL;
2870   xenforeignmemory_handle *xfmem;
2871   xenevtchn_handle *xe;
2872   xengnttab_handle *xg;
2873
2874   xs_daemon_open();
2875
2876   xc = xc_interface_open(0, 0, 0);
2877   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2878   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2879   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2880   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2881
2882   xfmem = xenforeignmemory_open(0, 0);
2883   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2884
2885   xe = xenevtchn_open(0, 0);
2886   xenevtchn_fd(xe);
2887
2888   xg = xengnttab_open(0, 0);
2889   xengnttab_map_grant_ref(xg, 0, 0, 0);
2890
2891   return 0;
2892 }
2893 EOF
2894         compile_prog "" "$xen_libs $xen_stable_libs"
2895       then
2896       xen_ctrl_version=40701
2897       xen=yes
2898
2899     # Xen 4.6
2900     elif
2901         cat > $TMPC <<EOF &&
2902 #include <xenctrl.h>
2903 #include <xenstore.h>
2904 #include <stdint.h>
2905 #include <xen/hvm/hvm_info_table.h>
2906 #if !defined(HVM_MAX_VCPUS)
2907 # error HVM_MAX_VCPUS not defined
2908 #endif
2909 int main(void) {
2910   xc_interface *xc;
2911   xs_daemon_open();
2912   xc = xc_interface_open(0, 0, 0);
2913   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2914   xc_gnttab_open(NULL, 0);
2915   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2916   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2917   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2918   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2919   return 0;
2920 }
2921 EOF
2922         compile_prog "" "$xen_libs"
2923       then
2924       xen_ctrl_version=40600
2925       xen=yes
2926
2927     # Xen 4.5
2928     elif
2929         cat > $TMPC <<EOF &&
2930 #include <xenctrl.h>
2931 #include <xenstore.h>
2932 #include <stdint.h>
2933 #include <xen/hvm/hvm_info_table.h>
2934 #if !defined(HVM_MAX_VCPUS)
2935 # error HVM_MAX_VCPUS not defined
2936 #endif
2937 int main(void) {
2938   xc_interface *xc;
2939   xs_daemon_open();
2940   xc = xc_interface_open(0, 0, 0);
2941   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2942   xc_gnttab_open(NULL, 0);
2943   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2944   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2945   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2946   return 0;
2947 }
2948 EOF
2949         compile_prog "" "$xen_libs"
2950       then
2951       xen_ctrl_version=40500
2952       xen=yes
2953
2954     elif
2955         cat > $TMPC <<EOF &&
2956 #include <xenctrl.h>
2957 #include <xenstore.h>
2958 #include <stdint.h>
2959 #include <xen/hvm/hvm_info_table.h>
2960 #if !defined(HVM_MAX_VCPUS)
2961 # error HVM_MAX_VCPUS not defined
2962 #endif
2963 int main(void) {
2964   xc_interface *xc;
2965   xs_daemon_open();
2966   xc = xc_interface_open(0, 0, 0);
2967   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2968   xc_gnttab_open(NULL, 0);
2969   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2970   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2971   return 0;
2972 }
2973 EOF
2974         compile_prog "" "$xen_libs"
2975       then
2976       xen_ctrl_version=40200
2977       xen=yes
2978
2979     else
2980       if test "$xen" = "yes" ; then
2981         feature_not_found "xen (unsupported version)" \
2982                           "Install a supported xen (xen 4.2 or newer)"
2983       fi
2984       xen=no
2985     fi
2986
2987     if test "$xen" = yes; then
2988       if test $xen_ctrl_version -ge 40701  ; then
2989         libs_softmmu="$xen_stable_libs $libs_softmmu"
2990       fi
2991       libs_softmmu="$xen_libs $libs_softmmu"
2992     fi
2993   fi
2994 fi
2995
2996 if test "$xen_pci_passthrough" != "no"; then
2997   if test "$xen" = "yes" && test "$linux" = "yes"; then
2998     xen_pci_passthrough=yes
2999   else
3000     if test "$xen_pci_passthrough" = "yes"; then
3001       error_exit "User requested feature Xen PCI Passthrough" \
3002           " but this feature requires /sys from Linux"
3003     fi
3004     xen_pci_passthrough=no
3005   fi
3006 fi
3007
3008 ##########################################
3009 # Windows Hypervisor Platform accelerator (WHPX) check
3010 if test "$whpx" != "no" ; then
3011     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
3012         whpx="yes"
3013     else
3014         if test "$whpx" = "yes"; then
3015             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
3016         fi
3017         whpx="no"
3018     fi
3019 fi
3020
3021 ##########################################
3022 # Sparse probe
3023 if test "$sparse" != "no" ; then
3024   if has cgcc; then
3025     sparse=yes
3026   else
3027     if test "$sparse" = "yes" ; then
3028       feature_not_found "sparse" "Install sparse binary"
3029     fi
3030     sparse=no
3031   fi
3032 fi
3033
3034 ##########################################
3035 # X11 probe
3036 if $pkg_config --exists "x11"; then
3037     have_x11=yes
3038     x11_cflags=$($pkg_config --cflags x11)
3039     x11_libs=$($pkg_config --libs x11)
3040 fi
3041
3042 ##########################################
3043 # GTK probe
3044
3045 if test "$gtk" != "no"; then
3046     gtkpackage="gtk+-3.0"
3047     gtkx11package="gtk+-x11-3.0"
3048     gtkversion="3.22.0"
3049     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
3050         gtk_cflags=$($pkg_config --cflags $gtkpackage)
3051         gtk_libs=$($pkg_config --libs $gtkpackage)
3052         gtk_version=$($pkg_config --modversion $gtkpackage)
3053         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
3054             need_x11=yes
3055             gtk_cflags="$gtk_cflags $x11_cflags"
3056             gtk_libs="$gtk_libs $x11_libs"
3057         fi
3058         gtk="yes"
3059     elif test "$gtk" = "yes"; then
3060         feature_not_found "gtk" "Install gtk3-devel"
3061     else
3062         gtk="no"
3063     fi
3064 fi
3065
3066
3067 ##########################################
3068 # GNUTLS probe
3069
3070 if test "$gnutls" != "no"; then
3071     pass="no"
3072     if $pkg_config --exists "gnutls >= 3.1.18"; then
3073         gnutls_cflags=$($pkg_config --cflags gnutls)
3074         gnutls_libs=$($pkg_config --libs gnutls)
3075         # Packaging for the static libraries is not always correct.
3076         # At least ubuntu 18.04 ships only shared libraries.
3077         write_c_skeleton
3078         if compile_prog "" "$gnutls_libs" ; then
3079             LIBS="$gnutls_libs $LIBS"
3080             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
3081             pass="yes"
3082         fi
3083     fi
3084     if test "$pass" = "no" && test "$gnutls" = "yes"; then
3085         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
3086     else
3087         gnutls="$pass"
3088     fi
3089 fi
3090
3091
3092 # If user didn't give a --disable/enable-gcrypt flag,
3093 # then mark as disabled if user requested nettle
3094 # explicitly
3095 if test -z "$gcrypt"
3096 then
3097     if test "$nettle" = "yes"
3098     then
3099         gcrypt="no"
3100     fi
3101 fi
3102
3103 # If user didn't give a --disable/enable-nettle flag,
3104 # then mark as disabled if user requested gcrypt
3105 # explicitly
3106 if test -z "$nettle"
3107 then
3108     if test "$gcrypt" = "yes"
3109     then
3110         nettle="no"
3111     fi
3112 fi
3113
3114 has_libgcrypt() {
3115     if ! has "libgcrypt-config"
3116     then
3117         return 1
3118     fi
3119
3120     if test -n "$cross_prefix"
3121     then
3122         host=$(libgcrypt-config --host)
3123         if test "$host-" != $cross_prefix
3124         then
3125             return 1
3126         fi
3127     fi
3128
3129     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
3130     min=`libgcrypt-config --version | awk -F . '{print $2}'`
3131
3132     if test $maj != 1 || test $min -lt 5
3133     then
3134        return 1
3135     fi
3136
3137     return 0
3138 }
3139
3140
3141 if test "$nettle" != "no"; then
3142     pass="no"
3143     if $pkg_config --exists "nettle >= 2.7.1"; then
3144         nettle_cflags=$($pkg_config --cflags nettle)
3145         nettle_libs=$($pkg_config --libs nettle)
3146         nettle_version=$($pkg_config --modversion nettle)
3147         # Link test to make sure the given libraries work (e.g for static).
3148         write_c_skeleton
3149         if compile_prog "" "$nettle_libs" ; then
3150             LIBS="$nettle_libs $LIBS"
3151             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
3152             if test -z "$gcrypt"; then
3153                gcrypt="no"
3154             fi
3155             pass="yes"
3156         fi
3157     fi
3158     if test "$pass" = "yes"
3159     then
3160         cat > $TMPC << EOF
3161 #include <nettle/xts.h>
3162 int main(void) {
3163   return 0;
3164 }
3165 EOF
3166         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3167             nettle_xts=yes
3168             qemu_private_xts=no
3169         fi
3170     fi
3171     if test "$pass" = "no" && test "$nettle" = "yes"; then
3172         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3173     else
3174         nettle="$pass"
3175     fi
3176 fi
3177
3178 if test "$gcrypt" != "no"; then
3179     pass="no"
3180     if has_libgcrypt; then
3181         gcrypt_cflags=$(libgcrypt-config --cflags)
3182         gcrypt_libs=$(libgcrypt-config --libs)
3183         # Debian has removed -lgpg-error from libgcrypt-config
3184         # as it "spreads unnecessary dependencies" which in
3185         # turn breaks static builds...
3186         if test "$static" = "yes"
3187         then
3188             gcrypt_libs="$gcrypt_libs -lgpg-error"
3189         fi
3190
3191         # Link test to make sure the given libraries work (e.g for static).
3192         write_c_skeleton
3193         if compile_prog "" "$gcrypt_libs" ; then
3194             LIBS="$gcrypt_libs $LIBS"
3195             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
3196             pass="yes"
3197         fi
3198     fi
3199     if test "$pass" = "yes"; then
3200         gcrypt="yes"
3201         cat > $TMPC << EOF
3202 #include <gcrypt.h>
3203 int main(void) {
3204   gcry_mac_hd_t handle;
3205   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3206                 GCRY_MAC_FLAG_SECURE, NULL);
3207   return 0;
3208 }
3209 EOF
3210         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3211             gcrypt_hmac=yes
3212         fi
3213         cat > $TMPC << EOF
3214 #include <gcrypt.h>
3215 int main(void) {
3216   gcry_cipher_hd_t handle;
3217   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3218   return 0;
3219 }
3220 EOF
3221         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3222             gcrypt_xts=yes
3223             qemu_private_xts=no
3224         fi
3225     elif test "$gcrypt" = "yes"; then
3226         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3227     else
3228         gcrypt="no"
3229     fi
3230 fi
3231
3232
3233 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3234 then
3235     error_exit "Only one of gcrypt & nettle can be enabled"
3236 fi
3237
3238 ##########################################
3239 # libtasn1 - only for the TLS creds/session test suite
3240
3241 tasn1=yes
3242 tasn1_cflags=""
3243 tasn1_libs=""
3244 if $pkg_config --exists "libtasn1"; then
3245     tasn1_cflags=$($pkg_config --cflags libtasn1)
3246     tasn1_libs=$($pkg_config --libs libtasn1)
3247 else
3248     tasn1=no
3249 fi
3250
3251
3252 ##########################################
3253 # PAM probe
3254
3255 if test "$auth_pam" != "no"; then
3256     cat > $TMPC <<EOF
3257 #include <security/pam_appl.h>
3258 #include <stdio.h>
3259 int main(void) {
3260    const char *service_name = "qemu";
3261    const char *user = "frank";
3262    const struct pam_conv pam_conv = { 0 };
3263    pam_handle_t *pamh = NULL;
3264    pam_start(service_name, user, &pam_conv, &pamh);
3265    return 0;
3266 }
3267 EOF
3268     if compile_prog "" "-lpam" ; then
3269         auth_pam=yes
3270     else
3271         if test "$auth_pam" = "yes"; then
3272             feature_not_found "PAM" "Install PAM development package"
3273         else
3274             auth_pam=no
3275         fi
3276     fi
3277 fi
3278
3279 ##########################################
3280 # getifaddrs (for tests/test-io-channel-socket )
3281
3282 have_ifaddrs_h=yes
3283 if ! check_include "ifaddrs.h" ; then
3284   have_ifaddrs_h=no
3285 fi
3286
3287 #########################################
3288 # libdrm check
3289 have_drm_h=no
3290 if check_include "libdrm/drm.h" ; then
3291     have_drm_h=yes
3292 fi
3293
3294 #########################################
3295 # sys/signal.h check
3296 have_sys_signal_h=no
3297 if check_include "sys/signal.h" ; then
3298   have_sys_signal_h=yes
3299 fi
3300
3301 ##########################################
3302 # VTE probe
3303
3304 if test "$vte" != "no"; then
3305     vteminversion="0.32.0"
3306     if $pkg_config --exists "vte-2.91"; then
3307       vtepackage="vte-2.91"
3308     else
3309       vtepackage="vte-2.90"
3310     fi
3311     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3312         vte_cflags=$($pkg_config --cflags $vtepackage)
3313         vte_libs=$($pkg_config --libs $vtepackage)
3314         vteversion=$($pkg_config --modversion $vtepackage)
3315         vte="yes"
3316     elif test "$vte" = "yes"; then
3317         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3318     else
3319         vte="no"
3320     fi
3321 fi
3322
3323 ##########################################
3324 # SDL probe
3325
3326 # Look for sdl configuration program (pkg-config or sdl2-config).  Try
3327 # sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3328
3329 sdl_probe ()
3330 {
3331   if $pkg_config sdl2 --exists; then
3332     sdlconfig="$pkg_config sdl2"
3333     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3334   elif has "$sdl2_config"; then
3335     sdlconfig="$sdl2_config"
3336     sdlversion=$($sdlconfig --version)
3337   else
3338     if test "$sdl" = "yes" ; then
3339       feature_not_found "sdl" "Install SDL2-devel"
3340     fi
3341     sdl=no
3342     # no need to do the rest
3343     return
3344   fi
3345   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3346     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3347   fi
3348
3349   cat > $TMPC << EOF
3350 #include <SDL.h>
3351 #undef main /* We don't want SDL to override our main() */
3352 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3353 EOF
3354   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3355   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3356   if test "$static" = "yes" ; then
3357     if $pkg_config sdl2 --exists; then
3358       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3359     else
3360       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3361     fi
3362   else
3363     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3364   fi
3365   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3366     sdl=yes
3367
3368     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3369     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3370       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3371          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3372          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3373       fi
3374       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3375         :
3376       else
3377         sdl=no
3378       fi
3379     fi # static link
3380   else # sdl not found
3381     if test "$sdl" = "yes" ; then
3382       feature_not_found "sdl" "Install SDL2 devel"
3383     fi
3384     sdl=no
3385   fi # sdl compile test
3386 }
3387
3388 sdl_image_probe ()
3389 {
3390     if test "$sdl_image" != "no" ; then
3391         if $pkg_config SDL2_image --exists; then
3392             if test "$static" = "yes"; then
3393                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3394             else
3395                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3396             fi
3397             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3398             sdl_image=yes
3399
3400             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3401             sdl_libs="$sdl_libs $sdl_image_libs"
3402         else
3403             if test "$sdl_image" = "yes" ; then
3404                 feature_not_found "sdl_image" "Install SDL Image devel"
3405             else
3406                 sdl_image=no
3407             fi
3408         fi
3409     fi
3410 }
3411
3412 if test "$sdl" != "no" ; then
3413   sdl_probe
3414 fi
3415
3416 if test "$sdl" = "yes" ; then
3417   sdl_image_probe
3418 else
3419   if test "$sdl_image" = "yes"; then
3420     echo "warning: SDL Image requested, but SDL is not available, disabling"
3421   fi
3422   sdl_image=no
3423 fi
3424
3425 if test "$sdl" = "yes" ; then
3426   cat > $TMPC <<EOF
3427 #include <SDL.h>
3428 #if defined(SDL_VIDEO_DRIVER_X11)
3429 #include <X11/XKBlib.h>
3430 #else
3431 #error No x11 support
3432 #endif
3433 int main(void) { return 0; }
3434 EOF
3435   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3436     need_x11=yes
3437     sdl_cflags="$sdl_cflags $x11_cflags"
3438     sdl_libs="$sdl_libs $x11_libs"
3439   fi
3440 fi
3441
3442 ##########################################
3443 # RDMA needs OpenFabrics libraries
3444 if test "$rdma" != "no" ; then
3445   cat > $TMPC <<EOF
3446 #include <rdma/rdma_cma.h>
3447 int main(void) { return 0; }
3448 EOF
3449   rdma_libs="-lrdmacm -libverbs -libumad"
3450   if compile_prog "" "$rdma_libs" ; then
3451     rdma="yes"
3452     libs_softmmu="$libs_softmmu $rdma_libs"
3453   else
3454     if test "$rdma" = "yes" ; then
3455         error_exit \
3456             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3457             " Your options:" \
3458             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3459             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3460             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3461     fi
3462     rdma="no"
3463   fi
3464 fi
3465
3466 ##########################################
3467 # PVRDMA detection
3468
3469 cat > $TMPC <<EOF &&
3470 #include <sys/mman.h>
3471
3472 int
3473 main(void)
3474 {
3475     char buf = 0;
3476     void *addr = &buf;
3477     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3478
3479     return 0;
3480 }
3481 EOF
3482
3483 if test "$rdma" = "yes" ; then
3484     case "$pvrdma" in
3485     "")
3486         if compile_prog "" ""; then
3487             pvrdma="yes"
3488         else
3489             pvrdma="no"
3490         fi
3491         ;;
3492     "yes")
3493         if ! compile_prog "" ""; then
3494             error_exit "PVRDMA is not supported since mremap is not implemented"
3495         fi
3496         pvrdma="yes"
3497         ;;
3498     "no")
3499         pvrdma="no"
3500         ;;
3501     esac
3502 else
3503     if test "$pvrdma" = "yes" ; then
3504         error_exit "PVRDMA requires rdma suppport"
3505     fi
3506     pvrdma="no"
3507 fi
3508
3509 # Let's see if enhanced reg_mr is supported
3510 if test "$pvrdma" = "yes" ; then
3511
3512 cat > $TMPC <<EOF &&
3513 #include <infiniband/verbs.h>
3514
3515 int
3516 main(void)
3517 {
3518     struct ibv_mr *mr;
3519     struct ibv_pd *pd = NULL;
3520     size_t length = 10;
3521     uint64_t iova = 0;
3522     int access = 0;
3523     void *addr = NULL;
3524
3525     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3526
3527     ibv_dereg_mr(mr);
3528
3529     return 0;
3530 }
3531 EOF
3532     if ! compile_prog "" "-libverbs"; then
3533         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3534     fi
3535 fi
3536
3537 ##########################################
3538 # VNC SASL detection
3539 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3540   cat > $TMPC <<EOF
3541 #include <sasl/sasl.h>
3542 #include <stdio.h>
3543 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3544 EOF
3545   # Assuming Cyrus-SASL installed in /usr prefix
3546   # QEMU defines struct iovec in "qemu/osdep.h",
3547   # we don't want libsasl to redefine it in <sasl/sasl.h>.
3548   vnc_sasl_cflags="-DSTRUCT_IOVEC_DEFINED"
3549   vnc_sasl_libs="-lsasl2"
3550   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3551     vnc_sasl=yes
3552     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3553     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3554   else
3555     if test "$vnc_sasl" = "yes" ; then
3556       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3557     fi
3558     vnc_sasl=no
3559   fi
3560 fi
3561
3562 ##########################################
3563 # VNC JPEG detection
3564 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3565 cat > $TMPC <<EOF
3566 #include <stdio.h>
3567 #include <jpeglib.h>
3568 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3569 EOF
3570     vnc_jpeg_cflags=""
3571     vnc_jpeg_libs="-ljpeg"
3572   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3573     vnc_jpeg=yes
3574     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3575     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3576   else
3577     if test "$vnc_jpeg" = "yes" ; then
3578       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3579     fi
3580     vnc_jpeg=no
3581   fi
3582 fi
3583
3584 ##########################################
3585 # VNC PNG detection
3586 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3587 cat > $TMPC <<EOF
3588 //#include <stdio.h>
3589 #include <png.h>
3590 #include <stddef.h>
3591 int main(void) {
3592     png_structp png_ptr;
3593     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3594     return png_ptr != 0;
3595 }
3596 EOF
3597   if $pkg_config libpng --exists; then
3598     vnc_png_cflags=$($pkg_config libpng --cflags)
3599     vnc_png_libs=$($pkg_config libpng --libs)
3600   else
3601     vnc_png_cflags=""
3602     vnc_png_libs="-lpng"
3603   fi
3604   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3605     vnc_png=yes
3606     libs_softmmu="$vnc_png_libs $libs_softmmu"
3607     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3608   else
3609     if test "$vnc_png" = "yes" ; then
3610       feature_not_found "vnc-png" "Install libpng devel"
3611     fi
3612     vnc_png=no
3613   fi
3614 fi
3615
3616 ##########################################
3617 # xkbcommon probe
3618 if test "$xkbcommon" != "no" ; then
3619   if $pkg_config xkbcommon --exists; then
3620     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3621     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3622     xkbcommon=yes
3623   else
3624     if test "$xkbcommon" = "yes" ; then
3625       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3626     fi
3627     xkbcommon=no
3628   fi
3629 fi
3630
3631
3632 ##########################################
3633 # xfsctl() probe, used for file-posix.c
3634 if test "$xfs" != "no" ; then
3635   cat > $TMPC << EOF
3636 #include <stddef.h>  /* NULL */
3637 #include <xfs/xfs.h>
3638 int main(void)
3639 {
3640     xfsctl(NULL, 0, 0, NULL);
3641     return 0;
3642 }
3643 EOF
3644   if compile_prog "" "" ; then
3645     xfs="yes"
3646   else
3647     if test "$xfs" = "yes" ; then
3648       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3649     fi
3650     xfs=no
3651   fi
3652 fi
3653
3654 ##########################################
3655 # vde libraries probe
3656 if test "$vde" != "no" ; then
3657   vde_libs="-lvdeplug"
3658   cat > $TMPC << EOF
3659 #include <libvdeplug.h>
3660 int main(void)
3661 {
3662     struct vde_open_args a = {0, 0, 0};
3663     char s[] = "";
3664     vde_open(s, s, &a);
3665     return 0;
3666 }
3667 EOF
3668   if compile_prog "" "$vde_libs" ; then
3669     vde=yes
3670   else
3671     if test "$vde" = "yes" ; then
3672       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3673     fi
3674     vde=no
3675   fi
3676 fi
3677
3678 ##########################################
3679 # netmap support probe
3680 # Apart from looking for netmap headers, we make sure that the host API version
3681 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3682 # a minor/major version number. Minor new features will be marked with values up
3683 # to 15, and if something happens that requires a change to the backend we will
3684 # move above 15, submit the backend fixes and modify this two bounds.
3685 if test "$netmap" != "no" ; then
3686   cat > $TMPC << EOF
3687 #include <inttypes.h>
3688 #include <net/if.h>
3689 #include <net/netmap.h>
3690 #include <net/netmap_user.h>
3691 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3692 #error
3693 #endif
3694 int main(void) { return 0; }
3695 EOF
3696   if compile_prog "" "" ; then
3697     netmap=yes
3698   else
3699     if test "$netmap" = "yes" ; then
3700       feature_not_found "netmap"
3701     fi
3702     netmap=no
3703   fi
3704 fi
3705
3706 ##########################################
3707 # libcap-ng library probe
3708 if test "$cap_ng" != "no" ; then
3709   cap_libs="-lcap-ng"
3710   cat > $TMPC << EOF
3711 #include <cap-ng.h>
3712 int main(void)
3713 {
3714     capng_capability_to_name(CAPNG_EFFECTIVE);
3715     return 0;
3716 }
3717 EOF
3718   if compile_prog "" "$cap_libs" ; then
3719     cap_ng=yes
3720     libs_tools="$cap_libs $libs_tools"
3721   else
3722     if test "$cap_ng" = "yes" ; then
3723       feature_not_found "cap_ng" "Install libcap-ng devel"
3724     fi
3725     cap_ng=no
3726   fi
3727 fi
3728
3729 ##########################################
3730 # Sound support libraries probe
3731
3732 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3733 for drv in $audio_drv_list; do
3734     case $drv in
3735     alsa | try-alsa)
3736     if $pkg_config alsa --exists; then
3737         alsa_libs=$($pkg_config alsa --libs)
3738         if test "$drv" = "try-alsa"; then
3739             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3740         fi
3741     else
3742         if test "$drv" = "try-alsa"; then
3743             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3744         else
3745             error_exit "$drv check failed" \
3746                 "Make sure to have the $drv libs and headers installed."
3747         fi
3748     fi
3749     ;;
3750
3751     pa | try-pa)
3752     if $pkg_config libpulse --exists; then
3753         pulse_libs=$($pkg_config libpulse --libs)
3754         if test "$drv" = "try-pa"; then
3755             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3756         fi
3757     else
3758         if test "$drv" = "try-pa"; then
3759             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3760         else
3761             error_exit "$drv check failed" \
3762                 "Make sure to have the $drv libs and headers installed."
3763         fi
3764     fi
3765     ;;
3766
3767     sdl)
3768     if test "$sdl" = "no"; then
3769         error_exit "sdl not found or disabled, can not use sdl audio driver"
3770     fi
3771     ;;
3772
3773     try-sdl)
3774     if test "$sdl" = "no"; then
3775         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3776     else
3777         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3778     fi
3779     ;;
3780
3781     coreaudio)
3782       coreaudio_libs="-framework CoreAudio"
3783     ;;
3784
3785     dsound)
3786       dsound_libs="-lole32 -ldxguid"
3787       audio_win_int="yes"
3788     ;;
3789
3790     oss)
3791       oss_libs="$oss_lib"
3792     ;;
3793
3794     jack | try-jack)
3795     if $pkg_config jack --exists; then
3796         jack_libs=$($pkg_config jack --libs)
3797         if test "$drv" = "try-jack"; then
3798             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3799         fi
3800     else
3801         if test "$drv" = "try-jack"; then
3802             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3803         else
3804             error_exit "$drv check failed" \
3805                 "Make sure to have the $drv libs and headers installed."
3806         fi
3807     fi
3808     ;;
3809
3810     *)
3811     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3812         error_exit "Unknown driver '$drv' selected" \
3813             "Possible drivers are: $audio_possible_drivers"
3814     }
3815     ;;
3816     esac
3817 done
3818
3819 ##########################################
3820 # BrlAPI probe
3821
3822 if test "$brlapi" != "no" ; then
3823   brlapi_libs="-lbrlapi"
3824   cat > $TMPC << EOF
3825 #include <brlapi.h>
3826 #include <stddef.h>
3827 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3828 EOF
3829   if compile_prog "" "$brlapi_libs" ; then
3830     brlapi=yes
3831   else
3832     if test "$brlapi" = "yes" ; then
3833       feature_not_found "brlapi" "Install brlapi devel"
3834     fi
3835     brlapi=no
3836   fi
3837 fi
3838
3839 ##########################################
3840 # iconv probe
3841 if test "$iconv" != "no" ; then
3842   cat > $TMPC << EOF
3843 #include <iconv.h>
3844 int main(void) {
3845   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3846   return conv != (iconv_t) -1;
3847 }
3848 EOF
3849   iconv_prefix_list="/usr/local:/usr"
3850   iconv_lib_list=":-liconv"
3851   IFS=:
3852   for iconv_prefix in $iconv_prefix_list; do
3853     IFS=:
3854     iconv_cflags="-I$iconv_prefix/include"
3855     iconv_ldflags="-L$iconv_prefix/lib"
3856     for iconv_link in $iconv_lib_list; do
3857       unset IFS
3858       iconv_lib="$iconv_ldflags $iconv_link"
3859       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3860       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3861         iconv_found=yes
3862         break
3863       fi
3864     done
3865     if test "$iconv_found" = yes ; then
3866       break
3867     fi
3868   done
3869   if test "$iconv_found" = "yes" ; then
3870     iconv=yes
3871   else
3872     if test "$iconv" = "yes" ; then
3873       feature_not_found "iconv" "Install iconv devel"
3874     fi
3875     iconv=no
3876   fi
3877 fi
3878
3879 ##########################################
3880 # curses probe
3881 if test "$iconv" = "no" ; then
3882   # curses will need iconv
3883   curses=no
3884 fi
3885 if test "$curses" != "no" ; then
3886   if test "$mingw32" = "yes" ; then
3887     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3888     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3889   else
3890     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3891     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3892   fi
3893   curses_found=no
3894   cat > $TMPC << EOF
3895 #include <locale.h>
3896 #include <curses.h>
3897 #include <wchar.h>
3898 #include <langinfo.h>
3899 int main(void) {
3900   const char *codeset;
3901   wchar_t wch = L'w';
3902   setlocale(LC_ALL, "");
3903   resize_term(0, 0);
3904   addwstr(L"wide chars\n");
3905   addnwstr(&wch, 1);
3906   add_wch(WACS_DEGREE);
3907   codeset = nl_langinfo(CODESET);
3908   return codeset != 0;
3909 }
3910 EOF
3911   IFS=:
3912   for curses_inc in $curses_inc_list; do
3913     # Make sure we get the wide character prototypes
3914     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3915     IFS=:
3916     for curses_lib in $curses_lib_list; do
3917       unset IFS
3918       if compile_prog "$curses_inc" "$curses_lib" ; then
3919         curses_found=yes
3920         break
3921       fi
3922     done
3923     if test "$curses_found" = yes ; then
3924       break
3925     fi
3926   done
3927   unset IFS
3928   if test "$curses_found" = "yes" ; then
3929     curses=yes
3930   else
3931     if test "$curses" = "yes" ; then
3932       feature_not_found "curses" "Install ncurses devel"
3933     fi
3934     curses=no
3935   fi
3936 fi
3937
3938 ##########################################
3939 # curl probe
3940 if test "$curl" != "no" ; then
3941   if $pkg_config libcurl --exists; then
3942     curlconfig="$pkg_config libcurl"
3943   else
3944     curlconfig=curl-config
3945   fi
3946   cat > $TMPC << EOF
3947 #include <curl/curl.h>
3948 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3949 EOF
3950   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3951   curl_libs=$($curlconfig --libs 2>/dev/null)
3952   if compile_prog "$curl_cflags" "$curl_libs" ; then
3953     curl=yes
3954   else
3955     if test "$curl" = "yes" ; then
3956       feature_not_found "curl" "Install libcurl devel"
3957     fi
3958     curl=no
3959   fi
3960 fi # test "$curl"
3961
3962 ##########################################
3963 # glib support probe
3964
3965 glib_req_ver=2.48
3966 glib_modules=gthread-2.0
3967 if test "$modules" = yes; then
3968     glib_modules="$glib_modules gmodule-export-2.0"
3969 fi
3970 if test "$plugins" = yes; then
3971     glib_modules="$glib_modules gmodule-2.0"
3972 fi
3973
3974 # This workaround is required due to a bug in pkg-config file for glib as it
3975 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3976
3977 if test "$static" = yes && test "$mingw32" = yes; then
3978     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3979 fi
3980
3981 for i in $glib_modules; do
3982     if $pkg_config --atleast-version=$glib_req_ver $i; then
3983         glib_cflags=$($pkg_config --cflags $i)
3984         glib_libs=$($pkg_config --libs $i)
3985         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3986         LIBS="$glib_libs $LIBS"
3987         libs_qga="$glib_libs $libs_qga"
3988     else
3989         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3990     fi
3991 done
3992
3993 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3994     gio=yes
3995     gio_cflags=$($pkg_config --cflags gio-2.0)
3996     gio_libs=$($pkg_config --libs gio-2.0)
3997     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3998     if [ ! -x "$gdbus_codegen" ]; then
3999         gdbus_codegen=
4000     fi
4001 else
4002     gio=no
4003 fi
4004
4005 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
4006     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
4007     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
4008 fi
4009
4010 # Sanity check that the current size_t matches the
4011 # size that glib thinks it should be. This catches
4012 # problems on multi-arch where people try to build
4013 # 32-bit QEMU while pointing at 64-bit glib headers
4014 cat > $TMPC <<EOF
4015 #include <glib.h>
4016 #include <unistd.h>
4017
4018 #define QEMU_BUILD_BUG_ON(x) \
4019   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
4020
4021 int main(void) {
4022    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
4023    return 0;
4024 }
4025 EOF
4026
4027 if ! compile_prog "$CFLAGS" "$LIBS" ; then
4028     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
4029                "You probably need to set PKG_CONFIG_LIBDIR"\
4030                "to point to the right pkg-config files for your"\
4031                "build target"
4032 fi
4033
4034 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
4035 cat > $TMPC << EOF
4036 #include <glib.h>
4037 int main(void) { return 0; }
4038 EOF
4039 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
4040     if cc_has_warning_flag "-Wno-unknown-attributes"; then
4041         glib_cflags="-Wno-unknown-attributes $glib_cflags"
4042         QEMU_CFLAGS="-Wno-unknown-attributes $CFLAGS"
4043     fi
4044 fi
4045
4046 # Silence clang warnings triggered by glib < 2.57.2
4047 cat > $TMPC << EOF
4048 #include <glib.h>
4049 typedef struct Foo {
4050     int i;
4051 } Foo;
4052 static void foo_free(Foo *f)
4053 {
4054     g_free(f);
4055 }
4056 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
4057 int main(void) { return 0; }
4058 EOF
4059 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
4060     if cc_has_warning_flag "-Wno-unused-function"; then
4061         glib_cflags="$glib_cflags -Wno-unused-function"
4062         CFLAGS="$CFLAGS -Wno-unused-function"
4063     fi
4064 fi
4065
4066 #########################################
4067 # zlib check
4068
4069 if test "$zlib" != "no" ; then
4070     if $pkg_config --exists zlib; then
4071         zlib_cflags=$($pkg_config --cflags zlib)
4072         zlib_libs=$($pkg_config --libs zlib)
4073         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
4074         LIBS="$zlib_libs $LIBS"
4075     else
4076         cat > $TMPC << EOF
4077 #include <zlib.h>
4078 int main(void) { zlibVersion(); return 0; }
4079 EOF
4080         if compile_prog "" "-lz" ; then
4081             LIBS="$LIBS -lz"
4082         else
4083             error_exit "zlib check failed" \
4084                 "Make sure to have the zlib libs and headers installed."
4085         fi
4086     fi
4087 fi
4088
4089 ##########################################
4090 # SHA command probe for modules
4091 if test "$modules" = yes; then
4092     shacmd_probe="sha1sum sha1 shasum"
4093     for c in $shacmd_probe; do
4094         if has $c; then
4095             shacmd="$c"
4096             break
4097         fi
4098     done
4099     if test "$shacmd" = ""; then
4100         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
4101     fi
4102 fi
4103
4104 ##########################################
4105 # pixman support probe
4106
4107 if test "$softmmu" = "no"; then
4108   pixman_cflags=
4109   pixman_libs=
4110 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
4111   pixman_cflags=$($pkg_config --cflags pixman-1)
4112   pixman_libs=$($pkg_config --libs pixman-1)
4113 else
4114   error_exit "pixman >= 0.21.8 not present." \
4115       "Please install the pixman devel package."
4116 fi
4117
4118 ##########################################
4119 # libmpathpersist probe
4120
4121 if test "$mpath" != "no" ; then
4122   # probe for the new API
4123   cat > $TMPC <<EOF
4124 #include <libudev.h>
4125 #include <mpath_persist.h>
4126 unsigned mpath_mx_alloc_len = 1024;
4127 int logsink;
4128 static struct config *multipath_conf;
4129 extern struct udev *udev;
4130 extern struct config *get_multipath_config(void);
4131 extern void put_multipath_config(struct config *conf);
4132 struct udev *udev;
4133 struct config *get_multipath_config(void) { return multipath_conf; }
4134 void put_multipath_config(struct config *conf) { }
4135
4136 int main(void) {
4137     udev = udev_new();
4138     multipath_conf = mpath_lib_init();
4139     return 0;
4140 }
4141 EOF
4142   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4143     mpathpersist=yes
4144     mpathpersist_new_api=yes
4145   else
4146     # probe for the old API
4147     cat > $TMPC <<EOF
4148 #include <libudev.h>
4149 #include <mpath_persist.h>
4150 unsigned mpath_mx_alloc_len = 1024;
4151 int logsink;
4152 int main(void) {
4153     struct udev *udev = udev_new();
4154     mpath_lib_init(udev);
4155     return 0;
4156 }
4157 EOF
4158     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4159       mpathpersist=yes
4160       mpathpersist_new_api=no
4161     else
4162       mpathpersist=no
4163     fi
4164   fi
4165 else
4166   mpathpersist=no
4167 fi
4168
4169 ##########################################
4170 # pthread probe
4171 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
4172
4173 pthread=no
4174 cat > $TMPC << EOF
4175 #include <pthread.h>
4176 static void *f(void *p) { return NULL; }
4177 int main(void) {
4178   pthread_t thread;
4179   pthread_create(&thread, 0, f, 0);
4180   return 0;
4181 }
4182 EOF
4183 if compile_prog "" "" ; then
4184   pthread=yes
4185 else
4186   for pthread_lib in $PTHREADLIBS_LIST; do
4187     if compile_prog "" "$pthread_lib" ; then
4188       pthread=yes
4189       found=no
4190       for lib_entry in $LIBS; do
4191         if test "$lib_entry" = "$pthread_lib"; then
4192           found=yes
4193           break
4194         fi
4195       done
4196       if test "$found" = "no"; then
4197         LIBS="$pthread_lib $LIBS"
4198         libs_qga="$pthread_lib $libs_qga"
4199       fi
4200       PTHREAD_LIB="$pthread_lib"
4201       break
4202     fi
4203   done
4204 fi
4205
4206 if test "$mingw32" != yes && test "$pthread" = no; then
4207   error_exit "pthread check failed" \
4208       "Make sure to have the pthread libs and headers installed."
4209 fi
4210
4211 # check for pthread_setname_np with thread id
4212 pthread_setname_np_w_tid=no
4213 cat > $TMPC << EOF
4214 #include <pthread.h>
4215
4216 static void *f(void *p) { return NULL; }
4217 int main(void)
4218 {
4219     pthread_t thread;
4220     pthread_create(&thread, 0, f, 0);
4221     pthread_setname_np(thread, "QEMU");
4222     return 0;
4223 }
4224 EOF
4225 if compile_prog "" "$pthread_lib" ; then
4226   pthread_setname_np_w_tid=yes
4227 fi
4228
4229 # check for pthread_setname_np without thread id
4230 pthread_setname_np_wo_tid=no
4231 cat > $TMPC << EOF
4232 #include <pthread.h>
4233
4234 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
4235 int main(void)
4236 {
4237     pthread_t thread;
4238     pthread_create(&thread, 0, f, 0);
4239     return 0;
4240 }
4241 EOF
4242 if compile_prog "" "$pthread_lib" ; then
4243   pthread_setname_np_wo_tid=yes
4244 fi
4245
4246 ##########################################
4247 # rbd probe
4248 if test "$rbd" != "no" ; then
4249   cat > $TMPC <<EOF
4250 #include <stdio.h>
4251 #include <rbd/librbd.h>
4252 int main(void) {
4253     rados_t cluster;
4254     rados_create(&cluster, NULL);
4255     return 0;
4256 }
4257 EOF
4258   rbd_libs="-lrbd -lrados"
4259   if compile_prog "" "$rbd_libs" ; then
4260     rbd=yes
4261   else
4262     if test "$rbd" = "yes" ; then
4263       feature_not_found "rados block device" "Install librbd/ceph devel"
4264     fi
4265     rbd=no
4266   fi
4267 fi
4268
4269 ##########################################
4270 # libssh probe
4271 if test "$libssh" != "no" ; then
4272   if $pkg_config --exists libssh; then
4273     libssh_cflags=$($pkg_config libssh --cflags)
4274     libssh_libs=$($pkg_config libssh --libs)
4275     libssh=yes
4276   else
4277     if test "$libssh" = "yes" ; then
4278       error_exit "libssh required for --enable-libssh"
4279     fi
4280     libssh=no
4281   fi
4282 fi
4283
4284 ##########################################
4285 # Check for libssh 0.8
4286 # This is done like this instead of using the LIBSSH_VERSION_* and
4287 # SSH_VERSION_* macros because some distributions in the past shipped
4288 # snapshots of the future 0.8 from Git, and those snapshots did not
4289 # have updated version numbers (still referring to 0.7.0).
4290
4291 if test "$libssh" = "yes"; then
4292   cat > $TMPC <<EOF
4293 #include <libssh/libssh.h>
4294 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4295 EOF
4296   if compile_prog "$libssh_cflags" "$libssh_libs"; then
4297     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4298   fi
4299 fi
4300
4301 ##########################################
4302 # linux-aio probe
4303
4304 if test "$linux_aio" != "no" ; then
4305   cat > $TMPC <<EOF
4306 #include <libaio.h>
4307 #include <sys/eventfd.h>
4308 #include <stddef.h>
4309 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4310 EOF
4311   if compile_prog "" "-laio" ; then
4312     linux_aio=yes
4313   else
4314     if test "$linux_aio" = "yes" ; then
4315       feature_not_found "linux AIO" "Install libaio devel"
4316     fi
4317     linux_aio=no
4318   fi
4319 fi
4320 ##########################################
4321 # linux-io-uring probe
4322
4323 if test "$linux_io_uring" != "no" ; then
4324   if $pkg_config liburing; then
4325     linux_io_uring_cflags=$($pkg_config --cflags liburing)
4326     linux_io_uring_libs=$($pkg_config --libs liburing)
4327     linux_io_uring=yes
4328
4329     # io_uring is used in libqemuutil.a where per-file -libs variables are not
4330     # seen by programs linking the archive.  It's not ideal, but just add the
4331     # library dependency globally.
4332     LIBS="$linux_io_uring_libs $LIBS"
4333   else
4334     if test "$linux_io_uring" = "yes" ; then
4335       feature_not_found "linux io_uring" "Install liburing devel"
4336     fi
4337     linux_io_uring=no
4338   fi
4339 fi
4340
4341 ##########################################
4342 # TPM emulation is only on POSIX
4343
4344 if test "$tpm" = ""; then
4345   if test "$mingw32" = "yes"; then
4346     tpm=no
4347   else
4348     tpm=yes
4349   fi
4350 elif test "$tpm" = "yes"; then
4351   if test "$mingw32" = "yes" ; then
4352     error_exit "TPM emulation only available on POSIX systems"
4353   fi
4354 fi
4355
4356 ##########################################
4357 # attr probe
4358
4359 if test "$attr" != "no" ; then
4360   cat > $TMPC <<EOF
4361 #include <stdio.h>
4362 #include <sys/types.h>
4363 #ifdef CONFIG_LIBATTR
4364 #include <attr/xattr.h>
4365 #else
4366 #include <sys/xattr.h>
4367 #endif
4368 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4369 EOF
4370   if compile_prog "" "" ; then
4371     attr=yes
4372   # Older distros have <attr/xattr.h>, and need -lattr:
4373   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4374     attr=yes
4375     LIBS="-lattr $LIBS"
4376     libattr=yes
4377   else
4378     if test "$attr" = "yes" ; then
4379       feature_not_found "ATTR" "Install libc6 or libattr devel"
4380     fi
4381     attr=no
4382   fi
4383 fi
4384
4385 ##########################################
4386 # iovec probe
4387 cat > $TMPC <<EOF
4388 #include <sys/types.h>
4389 #include <sys/uio.h>
4390 #include <unistd.h>
4391 int main(void) { return sizeof(struct iovec); }
4392 EOF
4393 iovec=no
4394 if compile_prog "" "" ; then
4395   iovec=yes
4396 fi
4397
4398 ##########################################
4399 # preadv probe
4400 cat > $TMPC <<EOF
4401 #include <sys/types.h>
4402 #include <sys/uio.h>
4403 #include <unistd.h>
4404 int main(void) { return preadv(0, 0, 0, 0); }
4405 EOF
4406 preadv=no
4407 if compile_prog "" "" ; then
4408   preadv=yes
4409 fi
4410
4411 ##########################################
4412 # fdt probe
4413 # fdt support is mandatory for at least some target architectures,
4414 # so insist on it if we're building those system emulators.
4415 fdt_required=no
4416 for target in $target_list; do
4417   case $target in
4418     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4419       fdt_required=yes
4420     ;;
4421   esac
4422 done
4423
4424 if test "$fdt_required" = "yes"; then
4425   if test "$fdt" = "no"; then
4426     error_exit "fdt disabled but some requested targets require it." \
4427       "You can turn off fdt only if you also disable all the system emulation" \
4428       "targets which need it (by specifying a cut down --target-list)."
4429   fi
4430   fdt=yes
4431 elif test "$fdt" != "yes" ; then
4432   fdt=no
4433 fi
4434
4435 # fdt is only required when building softmmu targets
4436 if test -z "$fdt" -a "$softmmu" != "yes" ; then
4437     fdt="no"
4438 fi
4439
4440 if test "$fdt" != "no" ; then
4441   fdt_libs="-lfdt"
4442   # explicitly check for libfdt_env.h as it is missing in some stable installs
4443   # and test for required functions to make sure we are on a version >= 1.4.2
4444   cat > $TMPC << EOF
4445 #include <libfdt.h>
4446 #include <libfdt_env.h>
4447 int main(void) { fdt_check_full(NULL, 0); return 0; }
4448 EOF
4449   if compile_prog "" "$fdt_libs" ; then
4450     # system DTC is good - use it
4451     fdt=system
4452   else
4453       # have GIT checkout, so activate dtc submodule
4454       if test -e "${source_path}/.git" ; then
4455           git_submodules="${git_submodules} dtc"
4456       fi
4457       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4458           fdt=git
4459           mkdir -p dtc
4460           if [ "$pwd_is_source_path" != "y" ] ; then
4461               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4462           fi
4463           fdt_cflags="-I${source_path}/dtc/libfdt"
4464           fdt_ldflags="-L$PWD/dtc/libfdt"
4465           fdt_libs="$fdt_libs"
4466       elif test "$fdt" = "yes" ; then
4467           # Not a git build & no libfdt found, prompt for system install
4468           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4469                      "Please install the DTC (libfdt) devel package"
4470       else
4471           # don't have and don't want
4472           fdt_libs=
4473           fdt=no
4474       fi
4475   fi
4476 fi
4477
4478 libs_softmmu="$libs_softmmu $fdt_libs"
4479
4480 ##########################################
4481 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4482
4483 gbm="no"
4484 if $pkg_config gbm; then
4485     gbm_cflags="$($pkg_config --cflags gbm)"
4486     gbm_libs="$($pkg_config --libs gbm)"
4487     gbm="yes"
4488 fi
4489
4490 if test "$opengl" != "no" ; then
4491   opengl_pkgs="epoxy gbm"
4492   if $pkg_config $opengl_pkgs; then
4493     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4494     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4495     opengl=yes
4496     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4497         gtk_gl="yes"
4498     fi
4499     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4500   else
4501     if test "$opengl" = "yes" ; then
4502       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4503     fi
4504     opengl_cflags=""
4505     opengl_libs=""
4506     opengl=no
4507   fi
4508 fi
4509
4510 if test "$opengl" = "yes"; then
4511   cat > $TMPC << EOF
4512 #include <epoxy/egl.h>
4513 #ifndef EGL_MESA_image_dma_buf_export
4514 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4515 #endif
4516 int main(void) { return 0; }
4517 EOF
4518   if compile_prog "" "" ; then
4519     opengl_dmabuf=yes
4520   fi
4521 fi
4522
4523 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4524   for target in $target_list; do
4525     case $target in
4526       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4527         need_x11=yes
4528       ;;
4529     esac
4530   done
4531 fi
4532
4533 ##########################################
4534 # libxml2 probe
4535 if test "$libxml2" != "no" ; then
4536     if $pkg_config --exists libxml-2.0; then
4537         libxml2="yes"
4538         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4539         libxml2_libs=$($pkg_config --libs libxml-2.0)
4540     else
4541         if test "$libxml2" = "yes"; then
4542             feature_not_found "libxml2" "Install libxml2 devel"
4543         fi
4544         libxml2="no"
4545     fi
4546 fi
4547
4548 ##########################################
4549 # glusterfs probe
4550 if test "$glusterfs" != "no" ; then
4551   if $pkg_config --atleast-version=3 glusterfs-api; then
4552     glusterfs="yes"
4553     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4554     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4555     if $pkg_config --atleast-version=4 glusterfs-api; then
4556       glusterfs_xlator_opt="yes"
4557     fi
4558     if $pkg_config --atleast-version=5 glusterfs-api; then
4559       glusterfs_discard="yes"
4560     fi
4561     if $pkg_config --atleast-version=6 glusterfs-api; then
4562       glusterfs_fallocate="yes"
4563       glusterfs_zerofill="yes"
4564     fi
4565     cat > $TMPC << EOF
4566 #include <glusterfs/api/glfs.h>
4567
4568 int
4569 main(void)
4570 {
4571         /* new glfs_ftruncate() passes two additional args */
4572         return glfs_ftruncate(NULL, 0, NULL, NULL);
4573 }
4574 EOF
4575     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4576       glusterfs_ftruncate_has_stat="yes"
4577     fi
4578     cat > $TMPC << EOF
4579 #include <glusterfs/api/glfs.h>
4580
4581 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4582 static void
4583 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4584 {}
4585
4586 int
4587 main(void)
4588 {
4589         glfs_io_cbk iocb = &glusterfs_iocb;
4590         iocb(NULL, 0 , NULL, NULL, NULL);
4591         return 0;
4592 }
4593 EOF
4594     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4595       glusterfs_iocb_has_stat="yes"
4596     fi
4597   else
4598     if test "$glusterfs" = "yes" ; then
4599       feature_not_found "GlusterFS backend support" \
4600           "Install glusterfs-api devel >= 3"
4601     fi
4602     glusterfs="no"
4603   fi
4604 fi
4605
4606 # Check for inotify functions when we are building linux-user
4607 # emulator.  This is done because older glibc versions don't
4608 # have syscall stubs for these implemented.  In that case we
4609 # don't provide them even if kernel supports them.
4610 #
4611 inotify=no
4612 cat > $TMPC << EOF
4613 #include <sys/inotify.h>
4614
4615 int
4616 main(void)
4617 {
4618         /* try to start inotify */
4619         return inotify_init();
4620 }
4621 EOF
4622 if compile_prog "" "" ; then
4623   inotify=yes
4624 fi
4625
4626 inotify1=no
4627 cat > $TMPC << EOF
4628 #include <sys/inotify.h>
4629
4630 int
4631 main(void)
4632 {
4633     /* try to start inotify */
4634     return inotify_init1(0);
4635 }
4636 EOF
4637 if compile_prog "" "" ; then
4638   inotify1=yes
4639 fi
4640
4641 # check if pipe2 is there
4642 pipe2=no
4643 cat > $TMPC << EOF
4644 #include <unistd.h>
4645 #include <fcntl.h>
4646
4647 int main(void)
4648 {
4649     int pipefd[2];
4650     return pipe2(pipefd, O_CLOEXEC);
4651 }
4652 EOF
4653 if compile_prog "" "" ; then
4654   pipe2=yes
4655 fi
4656
4657 # check if accept4 is there
4658 accept4=no
4659 cat > $TMPC << EOF
4660 #include <sys/socket.h>
4661 #include <stddef.h>
4662
4663 int main(void)
4664 {
4665     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4666     return 0;
4667 }
4668 EOF
4669 if compile_prog "" "" ; then
4670   accept4=yes
4671 fi
4672
4673 # check if tee/splice is there. vmsplice was added same time.
4674 splice=no
4675 cat > $TMPC << EOF
4676 #include <unistd.h>
4677 #include <fcntl.h>
4678 #include <limits.h>
4679
4680 int main(void)
4681 {
4682     int len, fd = 0;
4683     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4684     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4685     return 0;
4686 }
4687 EOF
4688 if compile_prog "" "" ; then
4689   splice=yes
4690 fi
4691
4692 ##########################################
4693 # libnuma probe
4694
4695 if test "$numa" != "no" ; then
4696   cat > $TMPC << EOF
4697 #include <numa.h>
4698 int main(void) { return numa_available(); }
4699 EOF
4700
4701   if compile_prog "" "-lnuma" ; then
4702     numa=yes
4703     libs_softmmu="-lnuma $libs_softmmu"
4704   else
4705     if test "$numa" = "yes" ; then
4706       feature_not_found "numa" "install numactl devel"
4707     fi
4708     numa=no
4709   fi
4710 fi
4711
4712 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4713     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4714     exit 1
4715 fi
4716
4717 # Even if malloc_trim() is available, these non-libc memory allocators
4718 # do not support it.
4719 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4720     if test "$malloc_trim" = "yes" ; then
4721         echo "Disabling malloc_trim with non-libc memory allocator"
4722     fi
4723     malloc_trim="no"
4724 fi
4725
4726 #######################################
4727 # malloc_trim
4728
4729 if test "$malloc_trim" != "no" ; then
4730     cat > $TMPC << EOF
4731 #include <malloc.h>
4732 int main(void) { malloc_trim(0); return 0; }
4733 EOF
4734     if compile_prog "" "" ; then
4735         malloc_trim="yes"
4736     else
4737         malloc_trim="no"
4738     fi
4739 fi
4740
4741 ##########################################
4742 # tcmalloc probe
4743
4744 if test "$tcmalloc" = "yes" ; then
4745   cat > $TMPC << EOF
4746 #include <stdlib.h>
4747 int main(void) {
4748     void *tmp = malloc(1);
4749     if (tmp != NULL) {
4750         return 0;
4751     }
4752     return 1;
4753 }
4754 EOF
4755
4756   if compile_prog "" "-ltcmalloc" ; then
4757     LIBS="-ltcmalloc $LIBS"
4758   else
4759     feature_not_found "tcmalloc" "install gperftools devel"
4760   fi
4761 fi
4762
4763 ##########################################
4764 # jemalloc probe
4765
4766 if test "$jemalloc" = "yes" ; then
4767   cat > $TMPC << EOF
4768 #include <stdlib.h>
4769 int main(void) {
4770     void *tmp = malloc(1);
4771     if (tmp != NULL) {
4772         return 0;
4773     }
4774     return 1;
4775 }
4776 EOF
4777
4778   if compile_prog "" "-ljemalloc" ; then
4779     LIBS="-ljemalloc $LIBS"
4780   else
4781     feature_not_found "jemalloc" "install jemalloc devel"
4782   fi
4783 fi
4784
4785 ##########################################
4786 # signalfd probe
4787 signalfd="no"
4788 cat > $TMPC << EOF
4789 #include <unistd.h>
4790 #include <sys/syscall.h>
4791 #include <signal.h>
4792 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4793 EOF
4794
4795 if compile_prog "" "" ; then
4796   signalfd=yes
4797 fi
4798
4799 # check if optreset global is declared by <getopt.h>
4800 optreset="no"
4801 cat > $TMPC << EOF
4802 #include <getopt.h>
4803 int main(void) { return optreset; }
4804 EOF
4805
4806 if compile_prog "" "" ; then
4807   optreset=yes
4808 fi
4809
4810 # check if eventfd is supported
4811 eventfd=no
4812 cat > $TMPC << EOF
4813 #include <sys/eventfd.h>
4814
4815 int main(void)
4816 {
4817     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4818 }
4819 EOF
4820 if compile_prog "" "" ; then
4821   eventfd=yes
4822 fi
4823
4824 # check if memfd is supported
4825 memfd=no
4826 cat > $TMPC << EOF
4827 #include <sys/mman.h>
4828
4829 int main(void)
4830 {
4831     return memfd_create("foo", MFD_ALLOW_SEALING);
4832 }
4833 EOF
4834 if compile_prog "" "" ; then
4835   memfd=yes
4836 fi
4837
4838 # check for usbfs
4839 have_usbfs=no
4840 if test "$linux_user" = "yes"; then
4841   cat > $TMPC << EOF
4842 #include <linux/usbdevice_fs.h>
4843
4844 #ifndef USBDEVFS_GET_CAPABILITIES
4845 #error "USBDEVFS_GET_CAPABILITIES undefined"
4846 #endif
4847
4848 #ifndef USBDEVFS_DISCONNECT_CLAIM
4849 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4850 #endif
4851
4852 int main(void)
4853 {
4854     return 0;
4855 }
4856 EOF
4857   if compile_prog "" ""; then
4858     have_usbfs=yes
4859   fi
4860 fi
4861
4862 # check for fallocate
4863 fallocate=no
4864 cat > $TMPC << EOF
4865 #include <fcntl.h>
4866
4867 int main(void)
4868 {
4869     fallocate(0, 0, 0, 0);
4870     return 0;
4871 }
4872 EOF
4873 if compile_prog "" "" ; then
4874   fallocate=yes
4875 fi
4876
4877 # check for fallocate hole punching
4878 fallocate_punch_hole=no
4879 cat > $TMPC << EOF
4880 #include <fcntl.h>
4881 #include <linux/falloc.h>
4882
4883 int main(void)
4884 {
4885     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4886     return 0;
4887 }
4888 EOF
4889 if compile_prog "" "" ; then
4890   fallocate_punch_hole=yes
4891 fi
4892
4893 # check that fallocate supports range zeroing inside the file
4894 fallocate_zero_range=no
4895 cat > $TMPC << EOF
4896 #include <fcntl.h>
4897 #include <linux/falloc.h>
4898
4899 int main(void)
4900 {
4901     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4902     return 0;
4903 }
4904 EOF
4905 if compile_prog "" "" ; then
4906   fallocate_zero_range=yes
4907 fi
4908
4909 # check for posix_fallocate
4910 posix_fallocate=no
4911 cat > $TMPC << EOF
4912 #include <fcntl.h>
4913
4914 int main(void)
4915 {
4916     posix_fallocate(0, 0, 0);
4917     return 0;
4918 }
4919 EOF
4920 if compile_prog "" "" ; then
4921     posix_fallocate=yes
4922 fi
4923
4924 # check for sync_file_range
4925 sync_file_range=no
4926 cat > $TMPC << EOF
4927 #include <fcntl.h>
4928
4929 int main(void)
4930 {
4931     sync_file_range(0, 0, 0, 0);
4932     return 0;
4933 }
4934 EOF
4935 if compile_prog "" "" ; then
4936   sync_file_range=yes
4937 fi
4938
4939 # check for linux/fiemap.h and FS_IOC_FIEMAP
4940 fiemap=no
4941 cat > $TMPC << EOF
4942 #include <sys/ioctl.h>
4943 #include <linux/fs.h>
4944 #include <linux/fiemap.h>
4945
4946 int main(void)
4947 {
4948     ioctl(0, FS_IOC_FIEMAP, 0);
4949     return 0;
4950 }
4951 EOF
4952 if compile_prog "" "" ; then
4953   fiemap=yes
4954 fi
4955
4956 # check for dup3
4957 dup3=no
4958 cat > $TMPC << EOF
4959 #include <unistd.h>
4960
4961 int main(void)
4962 {
4963     dup3(0, 0, 0);
4964     return 0;
4965 }
4966 EOF
4967 if compile_prog "" "" ; then
4968   dup3=yes
4969 fi
4970
4971 # check for ppoll support
4972 ppoll=no
4973 cat > $TMPC << EOF
4974 #include <poll.h>
4975
4976 int main(void)
4977 {
4978     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4979     ppoll(&pfd, 1, 0, 0);
4980     return 0;
4981 }
4982 EOF
4983 if compile_prog "" "" ; then
4984   ppoll=yes
4985 fi
4986
4987 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4988 prctl_pr_set_timerslack=no
4989 cat > $TMPC << EOF
4990 #include <sys/prctl.h>
4991
4992 int main(void)
4993 {
4994     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4995     return 0;
4996 }
4997 EOF
4998 if compile_prog "" "" ; then
4999   prctl_pr_set_timerslack=yes
5000 fi
5001
5002 # check for epoll support
5003 epoll=no
5004 cat > $TMPC << EOF
5005 #include <sys/epoll.h>
5006
5007 int main(void)
5008 {
5009     epoll_create(0);
5010     return 0;
5011 }
5012 EOF
5013 if compile_prog "" "" ; then
5014   epoll=yes
5015 fi
5016
5017 # epoll_create1 is a later addition
5018 # so we must check separately for its presence
5019 epoll_create1=no
5020 cat > $TMPC << EOF
5021 #include <sys/epoll.h>
5022
5023 int main(void)
5024 {
5025     /* Note that we use epoll_create1 as a value, not as
5026      * a function being called. This is necessary so that on
5027      * old SPARC glibc versions where the function was present in
5028      * the library but not declared in the header file we will
5029      * fail the configure check. (Otherwise we will get a compiler
5030      * warning but not an error, and will proceed to fail the
5031      * qemu compile where we compile with -Werror.)
5032      */
5033     return (int)(uintptr_t)&epoll_create1;
5034 }
5035 EOF
5036 if compile_prog "" "" ; then
5037   epoll_create1=yes
5038 fi
5039
5040 # check for sendfile support
5041 sendfile=no
5042 cat > $TMPC << EOF
5043 #include <sys/sendfile.h>
5044
5045 int main(void)
5046 {
5047     return sendfile(0, 0, 0, 0);
5048 }
5049 EOF
5050 if compile_prog "" "" ; then
5051   sendfile=yes
5052 fi
5053
5054 # check for timerfd support (glibc 2.8 and newer)
5055 timerfd=no
5056 cat > $TMPC << EOF
5057 #include <sys/timerfd.h>
5058
5059 int main(void)
5060 {
5061     return(timerfd_create(CLOCK_REALTIME, 0));
5062 }
5063 EOF
5064 if compile_prog "" "" ; then
5065   timerfd=yes
5066 fi
5067
5068 # check for setns and unshare support
5069 setns=no
5070 cat > $TMPC << EOF
5071 #include <sched.h>
5072
5073 int main(void)
5074 {
5075     int ret;
5076     ret = setns(0, 0);
5077     ret = unshare(0);
5078     return ret;
5079 }
5080 EOF
5081 if compile_prog "" "" ; then
5082   setns=yes
5083 fi
5084
5085 # clock_adjtime probe
5086 clock_adjtime=no
5087 cat > $TMPC <<EOF
5088 #include <time.h>
5089
5090 int main(void)
5091 {
5092     return clock_adjtime(0, 0);
5093 }
5094 EOF
5095 clock_adjtime=no
5096 if compile_prog "" "" ; then
5097   clock_adjtime=yes
5098 fi
5099
5100 # syncfs probe
5101 syncfs=no
5102 cat > $TMPC <<EOF
5103 #include <unistd.h>
5104
5105 int main(void)
5106 {
5107     return syncfs(0);
5108 }
5109 EOF
5110 syncfs=no
5111 if compile_prog "" "" ; then
5112   syncfs=yes
5113 fi
5114
5115 # check for kcov support (kernel must be 4.4+, compiled with certain options)
5116 kcov=no
5117 if check_include sys/kcov.h ; then
5118     kcov=yes
5119 fi
5120
5121 # If we're making warnings fatal, apply this to Sphinx runs as well
5122 sphinx_werror=""
5123 if test "$werror" = "yes"; then
5124     sphinx_werror="-W"
5125 fi
5126
5127 # Check we have a new enough version of sphinx-build
5128 has_sphinx_build() {
5129     # This is a bit awkward but works: create a trivial document and
5130     # try to run it with our configuration file (which enforces a
5131     # version requirement). This will fail if either
5132     # sphinx-build doesn't exist at all or if it is too old.
5133     mkdir -p "$TMPDIR1/sphinx"
5134     touch "$TMPDIR1/sphinx/index.rst"
5135     "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
5136                     -b html "$TMPDIR1/sphinx" \
5137                     "$TMPDIR1/sphinx/out"  >> config.log 2>&1
5138 }
5139
5140 # Check if tools are available to build documentation.
5141 if test "$docs" != "no" ; then
5142   if has_sphinx_build; then
5143     sphinx_ok=yes
5144   else
5145     sphinx_ok=no
5146   fi
5147   if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
5148     docs=yes
5149   else
5150     if test "$docs" = "yes" ; then
5151       if has $sphinx_build && test "$sphinx_ok" != "yes"; then
5152         echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
5153       fi
5154       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
5155     fi
5156     docs=no
5157   fi
5158 fi
5159
5160 # Search for bswap_32 function
5161 byteswap_h=no
5162 cat > $TMPC << EOF
5163 #include <byteswap.h>
5164 int main(void) { return bswap_32(0); }
5165 EOF
5166 if compile_prog "" "" ; then
5167   byteswap_h=yes
5168 fi
5169
5170 # Search for bswap32 function
5171 bswap_h=no
5172 cat > $TMPC << EOF
5173 #include <sys/endian.h>
5174 #include <sys/types.h>
5175 #include <machine/bswap.h>
5176 int main(void) { return bswap32(0); }
5177 EOF
5178 if compile_prog "" "" ; then
5179   bswap_h=yes
5180 fi
5181
5182 ##########################################
5183 # Do we have libiscsi >= 1.9.0
5184 if test "$libiscsi" != "no" ; then
5185   if $pkg_config --atleast-version=1.9.0 libiscsi; then
5186     libiscsi="yes"
5187     libiscsi_cflags=$($pkg_config --cflags libiscsi)
5188     libiscsi_libs=$($pkg_config --libs libiscsi)
5189   else
5190     if test "$libiscsi" = "yes" ; then
5191       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
5192     fi
5193     libiscsi="no"
5194   fi
5195 fi
5196
5197 ##########################################
5198 # Do we need libm
5199 cat > $TMPC << EOF
5200 #include <math.h>
5201 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
5202 EOF
5203 if compile_prog "" "" ; then
5204   :
5205 elif compile_prog "" "-lm" ; then
5206   LIBS="-lm $LIBS"
5207   libs_qga="-lm $libs_qga"
5208 else
5209   error_exit "libm check failed"
5210 fi
5211
5212 ##########################################
5213 # Do we need librt
5214 # uClibc provides 2 versions of clock_gettime(), one with realtime
5215 # support and one without. This means that the clock_gettime() don't
5216 # need -lrt. We still need it for timer_create() so we check for this
5217 # function in addition.
5218 cat > $TMPC <<EOF
5219 #include <signal.h>
5220 #include <time.h>
5221 int main(void) {
5222   timer_create(CLOCK_REALTIME, NULL, NULL);
5223   return clock_gettime(CLOCK_REALTIME, NULL);
5224 }
5225 EOF
5226
5227 if compile_prog "" "" ; then
5228   :
5229 # we need pthread for static linking. use previous pthread test result
5230 elif compile_prog "" "$pthread_lib -lrt" ; then
5231   LIBS="$LIBS -lrt"
5232   libs_qga="$libs_qga -lrt"
5233 fi
5234
5235 # Check whether we need to link libutil for openpty()
5236 cat > $TMPC << EOF
5237 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
5238 int main(void) { return openpty(0, 0, 0, 0, 0); }
5239 EOF
5240
5241 have_openpty="no"
5242 if compile_prog "" "" ; then
5243   have_openpty="yes"
5244 else
5245   if compile_prog "" "-lutil" ; then
5246     libs_softmmu="-lutil $libs_softmmu"
5247     libs_tools="-lutil $libs_tools"
5248     have_openpty="yes"
5249   fi
5250 fi
5251
5252 ##########################################
5253 # spice probe
5254 if test "$spice" != "no" ; then
5255   cat > $TMPC << EOF
5256 #include <spice.h>
5257 int main(void) { spice_server_new(); return 0; }
5258 EOF
5259   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
5260   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
5261   if $pkg_config --atleast-version=0.12.5 spice-server && \
5262      $pkg_config --atleast-version=0.12.3 spice-protocol && \
5263      compile_prog "$spice_cflags" "$spice_libs" ; then
5264     spice="yes"
5265     libs_softmmu="$libs_softmmu $spice_libs"
5266     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
5267     spice_protocol_version=$($pkg_config --modversion spice-protocol)
5268     spice_server_version=$($pkg_config --modversion spice-server)
5269   else
5270     if test "$spice" = "yes" ; then
5271       feature_not_found "spice" \
5272           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
5273     fi
5274     spice="no"
5275   fi
5276 fi
5277
5278 # check for smartcard support
5279 if test "$smartcard" != "no"; then
5280     if $pkg_config --atleast-version=2.5.1 libcacard; then
5281         libcacard_cflags=$($pkg_config --cflags libcacard)
5282         libcacard_libs=$($pkg_config --libs libcacard)
5283         smartcard="yes"
5284     else
5285         if test "$smartcard" = "yes"; then
5286             feature_not_found "smartcard" "Install libcacard devel"
5287         fi
5288         smartcard="no"
5289     fi
5290 fi
5291
5292 # check for libusb
5293 if test "$libusb" != "no" ; then
5294     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
5295         libusb="yes"
5296         libusb_cflags=$($pkg_config --cflags libusb-1.0)
5297         libusb_libs=$($pkg_config --libs libusb-1.0)
5298     else
5299         if test "$libusb" = "yes"; then
5300             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5301         fi
5302         libusb="no"
5303     fi
5304 fi
5305
5306 # check for usbredirparser for usb network redirection support
5307 if test "$usb_redir" != "no" ; then
5308     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5309         usb_redir="yes"
5310         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5311         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5312     else
5313         if test "$usb_redir" = "yes"; then
5314             feature_not_found "usb-redir" "Install usbredir devel"
5315         fi
5316         usb_redir="no"
5317     fi
5318 fi
5319
5320 ##########################################
5321 # check if we have VSS SDK headers for win
5322
5323 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5324         test "$vss_win32_sdk" != "no" ; then
5325   case "$vss_win32_sdk" in
5326     "")   vss_win32_include="-isystem $source_path" ;;
5327     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5328           # handle path with spaces. So we symlink the headers into ".sdk/vss".
5329           vss_win32_include="-isystem $source_path/.sdk/vss"
5330           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5331           ;;
5332     *)    vss_win32_include="-isystem $vss_win32_sdk"
5333   esac
5334   cat > $TMPC << EOF
5335 #define __MIDL_user_allocate_free_DEFINED__
5336 #include <inc/win2003/vss.h>
5337 int main(void) { return VSS_CTX_BACKUP; }
5338 EOF
5339   if compile_prog "$vss_win32_include" "" ; then
5340     guest_agent_with_vss="yes"
5341     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5342     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5343     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5344   else
5345     if test "$vss_win32_sdk" != "" ; then
5346       echo "ERROR: Please download and install Microsoft VSS SDK:"
5347       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5348       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5349       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5350       echo "ERROR: The headers are extracted in the directory \`inc'."
5351       feature_not_found "VSS support"
5352     fi
5353     guest_agent_with_vss="no"
5354   fi
5355 fi
5356
5357 ##########################################
5358 # lookup Windows platform SDK (if not specified)
5359 # The SDK is needed only to build .tlb (type library) file of guest agent
5360 # VSS provider from the source. It is usually unnecessary because the
5361 # pre-compiled .tlb file is included.
5362
5363 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5364         test "$guest_agent_with_vss" = "yes" ; then
5365   if test -z "$win_sdk"; then
5366     programfiles="$PROGRAMFILES"
5367     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5368     if test -n "$programfiles"; then
5369       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5370     else
5371       feature_not_found "Windows SDK"
5372     fi
5373   elif test "$win_sdk" = "no"; then
5374     win_sdk=""
5375   fi
5376 fi
5377
5378 ##########################################
5379 # check if mingw environment provides a recent ntddscsi.h
5380 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5381   cat > $TMPC << EOF
5382 #include <windows.h>
5383 #include <ntddscsi.h>
5384 int main(void) {
5385 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5386 #error Missing required ioctl definitions
5387 #endif
5388   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5389   return addr.Lun;
5390 }
5391 EOF
5392   if compile_prog "" "" ; then
5393     guest_agent_ntddscsi=yes
5394     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5395   fi
5396 fi
5397
5398 ##########################################
5399 # virgl renderer probe
5400
5401 if test "$virglrenderer" != "no" ; then
5402   cat > $TMPC << EOF
5403 #include <virglrenderer.h>
5404 int main(void) { virgl_renderer_poll(); return 0; }
5405 EOF
5406   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5407   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5408   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5409   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5410      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5411     virglrenderer="yes"
5412   else
5413     if test "$virglrenderer" = "yes" ; then
5414       feature_not_found "virglrenderer"
5415     fi
5416     virglrenderer="no"
5417   fi
5418 fi
5419
5420 ##########################################
5421 # capstone
5422
5423 case "$capstone" in
5424   "" | yes)
5425     if $pkg_config capstone; then
5426       capstone=system
5427     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5428       capstone=git
5429     elif test -e "${source_path}/capstone/Makefile" ; then
5430       capstone=internal
5431     elif test -z "$capstone" ; then
5432       capstone=no
5433     else
5434       feature_not_found "capstone" "Install capstone devel or git submodule"
5435     fi
5436     ;;
5437
5438   system)
5439     if ! $pkg_config capstone; then
5440       feature_not_found "capstone" "Install capstone devel"
5441     fi
5442     ;;
5443 esac
5444
5445 case "$capstone" in
5446   git | internal)
5447     if test "$capstone" = git; then
5448       git_submodules="${git_submodules} capstone"
5449     fi
5450     mkdir -p capstone
5451     QEMU_CFLAGS="$QEMU_CFLAGS -I${source_path}/capstone/include"
5452     if test "$mingw32" = "yes"; then
5453       LIBCAPSTONE=capstone.lib
5454     else
5455       LIBCAPSTONE=libcapstone.a
5456     fi
5457     libs_cpu="-L$PWD/capstone -lcapstone $libs_cpu"
5458     ;;
5459
5460   system)
5461     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5462     libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5463     ;;
5464
5465   no)
5466     ;;
5467   *)
5468     error_exit "Unknown state for capstone: $capstone"
5469     ;;
5470 esac
5471
5472 ##########################################
5473 # check if we have fdatasync
5474
5475 fdatasync=no
5476 cat > $TMPC << EOF
5477 #include <unistd.h>
5478 int main(void) {
5479 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5480 return fdatasync(0);
5481 #else
5482 #error Not supported
5483 #endif
5484 }
5485 EOF
5486 if compile_prog "" "" ; then
5487     fdatasync=yes
5488 fi
5489
5490 ##########################################
5491 # check if we have madvise
5492
5493 madvise=no
5494 cat > $TMPC << EOF
5495 #include <sys/types.h>
5496 #include <sys/mman.h>
5497 #include <stddef.h>
5498 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5499 EOF
5500 if compile_prog "" "" ; then
5501     madvise=yes
5502 fi
5503
5504 ##########################################
5505 # check if we have posix_madvise
5506
5507 posix_madvise=no
5508 cat > $TMPC << EOF
5509 #include <sys/mman.h>
5510 #include <stddef.h>
5511 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5512 EOF
5513 if compile_prog "" "" ; then
5514     posix_madvise=yes
5515 fi
5516
5517 ##########################################
5518 # check if we have posix_memalign()
5519
5520 posix_memalign=no
5521 cat > $TMPC << EOF
5522 #include <stdlib.h>
5523 int main(void) {
5524     void *p;
5525     return posix_memalign(&p, 8, 8);
5526 }
5527 EOF
5528 if compile_prog "" "" ; then
5529     posix_memalign=yes
5530 fi
5531
5532 ##########################################
5533 # check if we have posix_syslog
5534
5535 posix_syslog=no
5536 cat > $TMPC << EOF
5537 #include <syslog.h>
5538 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5539 EOF
5540 if compile_prog "" "" ; then
5541     posix_syslog=yes
5542 fi
5543
5544 ##########################################
5545 # check if we have sem_timedwait
5546
5547 sem_timedwait=no
5548 cat > $TMPC << EOF
5549 #include <semaphore.h>
5550 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5551 EOF
5552 if compile_prog "" "" ; then
5553     sem_timedwait=yes
5554 fi
5555
5556 ##########################################
5557 # check if we have strchrnul
5558
5559 strchrnul=no
5560 cat > $TMPC << EOF
5561 #include <string.h>
5562 int main(void);
5563 // Use a haystack that the compiler shouldn't be able to constant fold
5564 char *haystack = (char*)&main;
5565 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5566 EOF
5567 if compile_prog "" "" ; then
5568     strchrnul=yes
5569 fi
5570
5571 #########################################
5572 # check if we have st_atim
5573
5574 st_atim=no
5575 cat > $TMPC << EOF
5576 #include <sys/stat.h>
5577 #include <stddef.h>
5578 int main(void) { return offsetof(struct stat, st_atim); }
5579 EOF
5580 if compile_prog "" "" ; then
5581     st_atim=yes
5582 fi
5583
5584 ##########################################
5585 # check if trace backend exists
5586
5587 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5588 if test "$?" -ne 0 ; then
5589   error_exit "invalid trace backends" \
5590       "Please choose supported trace backends."
5591 fi
5592
5593 ##########################################
5594 # For 'ust' backend, test if ust headers are present
5595 if have_backend "ust"; then
5596   cat > $TMPC << EOF
5597 #include <lttng/tracepoint.h>
5598 int main(void) { return 0; }
5599 EOF
5600   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5601     if $pkg_config lttng-ust --exists; then
5602       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5603     else
5604       lttng_ust_libs="-llttng-ust -ldl"
5605     fi
5606     if $pkg_config liburcu-bp --exists; then
5607       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5608     else
5609       urcu_bp_libs="-lurcu-bp"
5610     fi
5611
5612     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5613     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5614   else
5615     error_exit "Trace backend 'ust' missing lttng-ust header files"
5616   fi
5617 fi
5618
5619 ##########################################
5620 # For 'dtrace' backend, test if 'dtrace' command is present
5621 if have_backend "dtrace"; then
5622   if ! has 'dtrace' ; then
5623     error_exit "dtrace command is not found in PATH $PATH"
5624   fi
5625   trace_backend_stap="no"
5626   if has 'stap' ; then
5627     trace_backend_stap="yes"
5628   fi
5629 fi
5630
5631 ##########################################
5632 # check and set a backend for coroutine
5633
5634 # We prefer ucontext, but it's not always possible. The fallback
5635 # is sigcontext. On Windows the only valid backend is the Windows
5636 # specific one.
5637
5638 ucontext_works=no
5639 if test "$darwin" != "yes"; then
5640   cat > $TMPC << EOF
5641 #include <ucontext.h>
5642 #ifdef __stub_makecontext
5643 #error Ignoring glibc stub makecontext which will always fail
5644 #endif
5645 int main(void) { makecontext(0, 0, 0); return 0; }
5646 EOF
5647   if compile_prog "" "" ; then
5648     ucontext_works=yes
5649   fi
5650 fi
5651
5652 if test "$coroutine" = ""; then
5653   if test "$mingw32" = "yes"; then
5654     coroutine=win32
5655   elif test "$ucontext_works" = "yes"; then
5656     coroutine=ucontext
5657   else
5658     coroutine=sigaltstack
5659   fi
5660 else
5661   case $coroutine in
5662   windows)
5663     if test "$mingw32" != "yes"; then
5664       error_exit "'windows' coroutine backend only valid for Windows"
5665     fi
5666     # Unfortunately the user visible backend name doesn't match the
5667     # coroutine-*.c filename for this case, so we have to adjust it here.
5668     coroutine=win32
5669     ;;
5670   ucontext)
5671     if test "$ucontext_works" != "yes"; then
5672       feature_not_found "ucontext"
5673     fi
5674     ;;
5675   sigaltstack)
5676     if test "$mingw32" = "yes"; then
5677       error_exit "only the 'windows' coroutine backend is valid for Windows"
5678     fi
5679     ;;
5680   *)
5681     error_exit "unknown coroutine backend $coroutine"
5682     ;;
5683   esac
5684 fi
5685
5686 if test "$coroutine_pool" = ""; then
5687   coroutine_pool=yes
5688 fi
5689
5690 if test "$debug_stack_usage" = "yes"; then
5691   if test "$coroutine_pool" = "yes"; then
5692     echo "WARN: disabling coroutine pool for stack usage debugging"
5693     coroutine_pool=no
5694   fi
5695 fi
5696
5697 ##################################################
5698 # SafeStack
5699
5700
5701 if test "$safe_stack" = "yes"; then
5702 cat > $TMPC << EOF
5703 int main(int argc, char *argv[])
5704 {
5705 #if ! __has_feature(safe_stack)
5706 #error SafeStack Disabled
5707 #endif
5708     return 0;
5709 }
5710 EOF
5711   flag="-fsanitize=safe-stack"
5712   # Check that safe-stack is supported and enabled.
5713   if compile_prog "-Werror $flag" "$flag"; then
5714     # Flag needed both at compilation and at linking
5715     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5716     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5717   else
5718     error_exit "SafeStack not supported by your compiler"
5719   fi
5720   if test "$coroutine" != "ucontext"; then
5721     error_exit "SafeStack is only supported by the coroutine backend ucontext"
5722   fi
5723 else
5724 cat > $TMPC << EOF
5725 int main(int argc, char *argv[])
5726 {
5727 #if defined(__has_feature)
5728 #if __has_feature(safe_stack)
5729 #error SafeStack Enabled
5730 #endif
5731 #endif
5732     return 0;
5733 }
5734 EOF
5735 if test "$safe_stack" = "no"; then
5736   # Make sure that safe-stack is disabled
5737   if ! compile_prog "-Werror" ""; then
5738     # SafeStack was already enabled, try to explicitly remove the feature
5739     flag="-fno-sanitize=safe-stack"
5740     if ! compile_prog "-Werror $flag" "$flag"; then
5741       error_exit "Configure cannot disable SafeStack"
5742     fi
5743     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5744     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5745   fi
5746 else # "$safe_stack" = ""
5747   # Set safe_stack to yes or no based on pre-existing flags
5748   if compile_prog "-Werror" ""; then
5749     safe_stack="no"
5750   else
5751     safe_stack="yes"
5752     if test "$coroutine" != "ucontext"; then
5753       error_exit "SafeStack is only supported by the coroutine backend ucontext"
5754     fi
5755   fi
5756 fi
5757 fi
5758
5759 ##########################################
5760 # check if we have open_by_handle_at
5761
5762 open_by_handle_at=no
5763 cat > $TMPC << EOF
5764 #include <fcntl.h>
5765 #if !defined(AT_EMPTY_PATH)
5766 # error missing definition
5767 #else
5768 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5769 #endif
5770 EOF
5771 if compile_prog "" "" ; then
5772     open_by_handle_at=yes
5773 fi
5774
5775 ########################################
5776 # check if we have linux/magic.h
5777
5778 linux_magic_h=no
5779 cat > $TMPC << EOF
5780 #include <linux/magic.h>
5781 int main(void) {
5782   return 0;
5783 }
5784 EOF
5785 if compile_prog "" "" ; then
5786     linux_magic_h=yes
5787 fi
5788
5789 ########################################
5790 # check if we have valgrind/valgrind.h
5791
5792 valgrind_h=no
5793 cat > $TMPC << EOF
5794 #include <valgrind/valgrind.h>
5795 int main(void) {
5796   return 0;
5797 }
5798 EOF
5799 if compile_prog "" "" ; then
5800     valgrind_h=yes
5801 fi
5802
5803 ########################################
5804 # check if environ is declared
5805
5806 has_environ=no
5807 cat > $TMPC << EOF
5808 #include <unistd.h>
5809 int main(void) {
5810     environ = 0;
5811     return 0;
5812 }
5813 EOF
5814 if compile_prog "" "" ; then
5815     has_environ=yes
5816 fi
5817
5818 ########################################
5819 # check if cpuid.h is usable.
5820
5821 cat > $TMPC << EOF
5822 #include <cpuid.h>
5823 int main(void) {
5824     unsigned a, b, c, d;
5825     int max = __get_cpuid_max(0, 0);
5826
5827     if (max >= 1) {
5828         __cpuid(1, a, b, c, d);
5829     }
5830
5831     if (max >= 7) {
5832         __cpuid_count(7, 0, a, b, c, d);
5833     }
5834
5835     return 0;
5836 }
5837 EOF
5838 if compile_prog "" "" ; then
5839     cpuid_h=yes
5840 fi
5841
5842 ##########################################
5843 # avx2 optimization requirement check
5844 #
5845 # There is no point enabling this if cpuid.h is not usable,
5846 # since we won't be able to select the new routines.
5847
5848 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5849   cat > $TMPC << EOF
5850 #pragma GCC push_options
5851 #pragma GCC target("avx2")
5852 #include <cpuid.h>
5853 #include <immintrin.h>
5854 static int bar(void *a) {
5855     __m256i x = *(__m256i *)a;
5856     return _mm256_testz_si256(x, x);
5857 }
5858 int main(int argc, char *argv[]) { return bar(argv[0]); }
5859 EOF
5860   if compile_object "" ; then
5861     avx2_opt="yes"
5862   else
5863     avx2_opt="no"
5864   fi
5865 fi
5866
5867 ##########################################
5868 # avx512f optimization requirement check
5869 #
5870 # There is no point enabling this if cpuid.h is not usable,
5871 # since we won't be able to select the new routines.
5872 # by default, it is turned off.
5873 # if user explicitly want to enable it, check environment
5874
5875 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5876   cat > $TMPC << EOF
5877 #pragma GCC push_options
5878 #pragma GCC target("avx512f")
5879 #include <cpuid.h>
5880 #include <immintrin.h>
5881 static int bar(void *a) {
5882     __m512i x = *(__m512i *)a;
5883     return _mm512_test_epi64_mask(x, x);
5884 }
5885 int main(int argc, char *argv[])
5886 {
5887         return bar(argv[0]);
5888 }
5889 EOF
5890   if ! compile_object "" ; then
5891     avx512f_opt="no"
5892   fi
5893 else
5894   avx512f_opt="no"
5895 fi
5896
5897 ########################################
5898 # check if __[u]int128_t is usable.
5899
5900 int128=no
5901 cat > $TMPC << EOF
5902 __int128_t a;
5903 __uint128_t b;
5904 int main (void) {
5905   a = a + b;
5906   b = a * b;
5907   a = a * a;
5908   return 0;
5909 }
5910 EOF
5911 if compile_prog "" "" ; then
5912     int128=yes
5913 fi
5914
5915 #########################################
5916 # See if 128-bit atomic operations are supported.
5917
5918 atomic128=no
5919 if test "$int128" = "yes"; then
5920   cat > $TMPC << EOF
5921 int main(void)
5922 {
5923   unsigned __int128 x = 0, y = 0;
5924   y = __atomic_load_16(&x, 0);
5925   __atomic_store_16(&x, y, 0);
5926   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5927   return 0;
5928 }
5929 EOF
5930   if compile_prog "" "" ; then
5931     atomic128=yes
5932   fi
5933 fi
5934
5935 cmpxchg128=no
5936 if test "$int128" = yes && test "$atomic128" = no; then
5937   cat > $TMPC << EOF
5938 int main(void)
5939 {
5940   unsigned __int128 x = 0, y = 0;
5941   __sync_val_compare_and_swap_16(&x, y, x);
5942   return 0;
5943 }
5944 EOF
5945   if compile_prog "" "" ; then
5946     cmpxchg128=yes
5947   fi
5948 fi
5949
5950 #########################################
5951 # See if 64-bit atomic operations are supported.
5952 # Note that without __atomic builtins, we can only
5953 # assume atomic loads/stores max at pointer size.
5954
5955 cat > $TMPC << EOF
5956 #include <stdint.h>
5957 int main(void)
5958 {
5959   uint64_t x = 0, y = 0;
5960 #ifdef __ATOMIC_RELAXED
5961   y = __atomic_load_8(&x, 0);
5962   __atomic_store_8(&x, y, 0);
5963   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5964   __atomic_exchange_8(&x, y, 0);
5965   __atomic_fetch_add_8(&x, y, 0);
5966 #else
5967   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5968   __sync_lock_test_and_set(&x, y);
5969   __sync_val_compare_and_swap(&x, y, 0);
5970   __sync_fetch_and_add(&x, y);
5971 #endif
5972   return 0;
5973 }
5974 EOF
5975 if compile_prog "" "" ; then
5976   atomic64=yes
5977 fi
5978
5979 #########################################
5980 # See if --dynamic-list is supported by the linker
5981 ld_dynamic_list="no"
5982 if test "$static" = "no" ; then
5983     cat > $TMPTXT <<EOF
5984 {
5985   foo;
5986 };
5987 EOF
5988
5989     cat > $TMPC <<EOF
5990 #include <stdio.h>
5991 void foo(void);
5992
5993 void foo(void)
5994 {
5995   printf("foo\n");
5996 }
5997
5998 int main(void)
5999 {
6000   foo();
6001   return 0;
6002 }
6003 EOF
6004
6005     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
6006         ld_dynamic_list="yes"
6007     fi
6008 fi
6009
6010 #########################################
6011 # See if -exported_symbols_list is supported by the linker
6012
6013 ld_exported_symbols_list="no"
6014 if test "$static" = "no" ; then
6015     cat > $TMPTXT <<EOF
6016   _foo
6017 EOF
6018
6019     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
6020         ld_exported_symbols_list="yes"
6021     fi
6022 fi
6023
6024 if  test "$plugins" = "yes" &&
6025     test "$ld_dynamic_list" = "no" &&
6026     test "$ld_exported_symbols_list" = "no" ; then
6027   error_exit \
6028       "Plugin support requires dynamic linking and specifying a set of symbols " \
6029       "that are exported to plugins. Unfortunately your linker doesn't " \
6030       "support the flag (--dynamic-list or -exported_symbols_list) used " \
6031       "for this purpose. You can't build with --static."
6032 fi
6033
6034 ########################################
6035 # See if __attribute__((alias)) is supported.
6036 # This false for Xcode 9, but has been remedied for Xcode 10.
6037 # Unfortunately, travis uses Xcode 9 by default.
6038
6039 attralias=no
6040 cat > $TMPC << EOF
6041 int x = 1;
6042 extern const int y __attribute__((alias("x")));
6043 int main(void) { return 0; }
6044 EOF
6045 if compile_prog "" "" ; then
6046     attralias=yes
6047 fi
6048
6049 ########################################
6050 # check if getauxval is available.
6051
6052 getauxval=no
6053 cat > $TMPC << EOF
6054 #include <sys/auxv.h>
6055 int main(void) {
6056   return getauxval(AT_HWCAP) == 0;
6057 }
6058 EOF
6059 if compile_prog "" "" ; then
6060     getauxval=yes
6061 fi
6062
6063 ########################################
6064 # check if ccache is interfering with
6065 # semantic analysis of macros
6066
6067 unset CCACHE_CPP2
6068 ccache_cpp2=no
6069 cat > $TMPC << EOF
6070 static const int Z = 1;
6071 #define fn() ({ Z; })
6072 #define TAUT(X) ((X) == Z)
6073 #define PAREN(X, Y) (X == Y)
6074 #define ID(X) (X)
6075 int main(int argc, char *argv[])
6076 {
6077     int x = 0, y = 0;
6078     x = ID(x);
6079     x = fn();
6080     fn();
6081     if (PAREN(x, y)) return 0;
6082     if (TAUT(Z)) return 0;
6083     return 0;
6084 }
6085 EOF
6086
6087 if ! compile_object "-Werror"; then
6088     ccache_cpp2=yes
6089 fi
6090
6091 #################################################
6092 # clang does not support glibc + FORTIFY_SOURCE.
6093
6094 if test "$fortify_source" != "no"; then
6095   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
6096     fortify_source="no";
6097   elif test -n "$cxx" && has $cxx &&
6098        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
6099     fortify_source="no";
6100   else
6101     fortify_source="yes"
6102   fi
6103 fi
6104
6105 ###############################################
6106 # Check if copy_file_range is provided by glibc
6107 have_copy_file_range=no
6108 cat > $TMPC << EOF
6109 #include <unistd.h>
6110 int main(void) {
6111   copy_file_range(0, NULL, 0, NULL, 0, 0);
6112   return 0;
6113 }
6114 EOF
6115 if compile_prog "" "" ; then
6116     have_copy_file_range=yes
6117 fi
6118
6119 ##########################################
6120 # check if struct fsxattr is available via linux/fs.h
6121
6122 have_fsxattr=no
6123 cat > $TMPC << EOF
6124 #include <linux/fs.h>
6125 struct fsxattr foo;
6126 int main(void) {
6127   return 0;
6128 }
6129 EOF
6130 if compile_prog "" "" ; then
6131     have_fsxattr=yes
6132 fi
6133
6134 ##########################################
6135 # check for usable membarrier system call
6136 if test "$membarrier" = "yes"; then
6137     have_membarrier=no
6138     if test "$mingw32" = "yes" ; then
6139         have_membarrier=yes
6140     elif test "$linux" = "yes" ; then
6141         cat > $TMPC << EOF
6142     #include <linux/membarrier.h>
6143     #include <sys/syscall.h>
6144     #include <unistd.h>
6145     #include <stdlib.h>
6146     int main(void) {
6147         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
6148         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
6149         exit(0);
6150     }
6151 EOF
6152         if compile_prog "" "" ; then
6153             have_membarrier=yes
6154         fi
6155     fi
6156     if test "$have_membarrier" = "no"; then
6157       feature_not_found "membarrier" "membarrier system call not available"
6158     fi
6159 else
6160     # Do not enable it by default even for Mingw32, because it doesn't
6161     # work on Wine.
6162     membarrier=no
6163 fi
6164
6165 ##########################################
6166 # check if rtnetlink.h exists and is useful
6167 have_rtnetlink=no
6168 cat > $TMPC << EOF
6169 #include <linux/rtnetlink.h>
6170 int main(void) {
6171   return IFLA_PROTO_DOWN;
6172 }
6173 EOF
6174 if compile_prog "" "" ; then
6175     have_rtnetlink=yes
6176 fi
6177
6178 ##########################################
6179 # check for usable AF_VSOCK environment
6180 have_af_vsock=no
6181 cat > $TMPC << EOF
6182 #include <errno.h>
6183 #include <sys/types.h>
6184 #include <sys/socket.h>
6185 #if !defined(AF_VSOCK)
6186 # error missing AF_VSOCK flag
6187 #endif
6188 #include <linux/vm_sockets.h>
6189 int main(void) {
6190     int sock, ret;
6191     struct sockaddr_vm svm;
6192     socklen_t len = sizeof(svm);
6193     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
6194     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
6195     if ((ret == -1) && (errno == ENOTCONN)) {
6196         return 0;
6197     }
6198     return -1;
6199 }
6200 EOF
6201 if compile_prog "" "" ; then
6202     have_af_vsock=yes
6203 fi
6204
6205 ##########################################
6206 # check for usable AF_ALG environment
6207 have_afalg=no
6208 cat > $TMPC << EOF
6209 #include <errno.h>
6210 #include <sys/types.h>
6211 #include <sys/socket.h>
6212 #include <linux/if_alg.h>
6213 int main(void) {
6214     int sock;
6215     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
6216     return sock;
6217 }
6218 EOF
6219 if compile_prog "" "" ; then
6220     have_afalg=yes
6221 fi
6222 if test "$crypto_afalg" = "yes"
6223 then
6224     if test "$have_afalg" != "yes"
6225     then
6226         error_exit "AF_ALG requested but could not be detected"
6227     fi
6228 fi
6229
6230
6231 #################################################
6232 # Check to see if we have the Hypervisor framework
6233 if [ "$darwin" = "yes" ] ; then
6234   cat > $TMPC << EOF
6235 #include <Hypervisor/hv.h>
6236 int main() { return 0;}
6237 EOF
6238   if ! compile_object ""; then
6239     hvf='no'
6240   else
6241     hvf='yes'
6242     QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
6243   fi
6244 fi
6245
6246 #################################################
6247 # Sparc implicitly links with --relax, which is
6248 # incompatible with -r, so --no-relax should be
6249 # given. It does no harm to give it on other
6250 # platforms too.
6251
6252 # Note: the prototype is needed since QEMU_CFLAGS
6253 #       contains -Wmissing-prototypes
6254 cat > $TMPC << EOF
6255 extern int foo(void);
6256 int foo(void) { return 0; }
6257 EOF
6258 if ! compile_object ""; then
6259   error_exit "Failed to compile object file for LD_REL_FLAGS test"
6260 fi
6261 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
6262   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
6263     LD_REL_FLAGS=$i
6264     break
6265   fi
6266 done
6267 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
6268   feature_not_found "modules" "Cannot find how to build relocatable objects"
6269 fi
6270
6271 ##########################################
6272 # check for sysmacros.h
6273
6274 have_sysmacros=no
6275 cat > $TMPC << EOF
6276 #include <sys/sysmacros.h>
6277 int main(void) {
6278     return makedev(0, 0);
6279 }
6280 EOF
6281 if compile_prog "" "" ; then
6282     have_sysmacros=yes
6283 fi
6284
6285 ##########################################
6286 # check for _Static_assert()
6287
6288 have_static_assert=no
6289 cat > $TMPC << EOF
6290 _Static_assert(1, "success");
6291 int main(void) {
6292     return 0;
6293 }
6294 EOF
6295 if compile_prog "" "" ; then
6296     have_static_assert=yes
6297 fi
6298
6299 ##########################################
6300 # check for utmpx.h, it is missing e.g. on OpenBSD
6301
6302 have_utmpx=no
6303 cat > $TMPC << EOF
6304 #include <utmpx.h>
6305 struct utmpx user_info;
6306 int main(void) {
6307     return 0;
6308 }
6309 EOF
6310 if compile_prog "" "" ; then
6311     have_utmpx=yes
6312 fi
6313
6314 ##########################################
6315 # check for getrandom()
6316
6317 have_getrandom=no
6318 cat > $TMPC << EOF
6319 #include <sys/random.h>
6320 int main(void) {
6321     return getrandom(0, 0, GRND_NONBLOCK);
6322 }
6323 EOF
6324 if compile_prog "" "" ; then
6325     have_getrandom=yes
6326 fi
6327
6328 ##########################################
6329 # checks for sanitizers
6330
6331 have_asan=no
6332 have_ubsan=no
6333 have_asan_iface_h=no
6334 have_asan_iface_fiber=no
6335
6336 if test "$sanitizers" = "yes" ; then
6337   write_c_skeleton
6338   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6339       have_asan=yes
6340   fi
6341
6342   # we could use a simple skeleton for flags checks, but this also
6343   # detect the static linking issue of ubsan, see also:
6344   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6345   cat > $TMPC << EOF
6346 #include <stdlib.h>
6347 int main(void) {
6348     void *tmp = malloc(10);
6349     if (tmp != NULL) {
6350         return *(int *)(tmp + 2);
6351     }
6352     return 1;
6353 }
6354 EOF
6355   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6356       have_ubsan=yes
6357   fi
6358
6359   if check_include "sanitizer/asan_interface.h" ; then
6360       have_asan_iface_h=yes
6361   fi
6362
6363   cat > $TMPC << EOF
6364 #include <sanitizer/asan_interface.h>
6365 int main(void) {
6366   __sanitizer_start_switch_fiber(0, 0, 0);
6367   return 0;
6368 }
6369 EOF
6370   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6371       have_asan_iface_fiber=yes
6372   fi
6373 fi
6374
6375 ##########################################
6376 # checks for fuzzer
6377 if test "$fuzzing" = "yes" ; then
6378   write_c_fuzzer_skeleton
6379   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
6380       have_fuzzer=yes
6381   fi
6382 fi
6383
6384 # Thread sanitizer is, for now, much noisier than the other sanitizers;
6385 # keep it separate until that is not the case.
6386 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
6387   error_exit "TSAN is not supported with other sanitiziers."
6388 fi
6389 have_tsan=no
6390 have_tsan_iface_fiber=no
6391 if test "$tsan" = "yes" ; then
6392   write_c_skeleton
6393   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6394       have_tsan=yes
6395   fi
6396   cat > $TMPC << EOF
6397 #include <sanitizer/tsan_interface.h>
6398 int main(void) {
6399   __tsan_create_fiber(0);
6400   return 0;
6401 }
6402 EOF
6403   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6404       have_tsan_iface_fiber=yes
6405   fi
6406 fi
6407
6408 ##########################################
6409 # check for libpmem
6410
6411 if test "$libpmem" != "no"; then
6412         if $pkg_config --exists "libpmem"; then
6413                 libpmem="yes"
6414                 libpmem_libs=$($pkg_config --libs libpmem)
6415                 libpmem_cflags=$($pkg_config --cflags libpmem)
6416                 libs_softmmu="$libs_softmmu $libpmem_libs"
6417                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6418         else
6419                 if test "$libpmem" = "yes" ; then
6420                         feature_not_found "libpmem" "Install nvml or pmdk"
6421                 fi
6422                 libpmem="no"
6423         fi
6424 fi
6425
6426 ##########################################
6427 # check for libdaxctl
6428
6429 if test "$libdaxctl" != "no"; then
6430         if $pkg_config --atleast-version=57 "libdaxctl"; then
6431                 libdaxctl="yes"
6432                 libdaxctl_libs=$($pkg_config --libs libdaxctl)
6433                 libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
6434                 libs_softmmu="$libs_softmmu $libdaxctl_libs"
6435                 QEMU_CFLAGS="$QEMU_CFLAGS $libdaxctl_cflags"
6436         else
6437                 if test "$libdaxctl" = "yes" ; then
6438                         feature_not_found "libdaxctl" "Install libdaxctl"
6439                 fi
6440                 libdaxctl="no"
6441         fi
6442 fi
6443
6444 ##########################################
6445 # check for slirp
6446
6447 # slirp is only required when building softmmu targets
6448 if test -z "$slirp" -a "$softmmu" != "yes" ; then
6449     slirp="no"
6450 fi
6451
6452 case "$slirp" in
6453   "" | yes)
6454     if $pkg_config slirp; then
6455       slirp=system
6456     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6457       slirp=git
6458     elif test -e "${source_path}/slirp/Makefile" ; then
6459       slirp=internal
6460     elif test -z "$slirp" ; then
6461       slirp=no
6462     else
6463       feature_not_found "slirp" "Install slirp devel or git submodule"
6464     fi
6465     ;;
6466
6467   system)
6468     if ! $pkg_config slirp; then
6469       feature_not_found "slirp" "Install slirp devel"
6470     fi
6471     ;;
6472 esac
6473
6474 case "$slirp" in
6475   git | internal)
6476     if test "$slirp" = git; then
6477       git_submodules="${git_submodules} slirp"
6478     fi
6479     mkdir -p slirp
6480     slirp_cflags="-I${source_path}/slirp/src -I$PWD/slirp/src"
6481     slirp_libs="-L$PWD/slirp -lslirp"
6482     if test "$mingw32" = "yes" ; then
6483       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6484     fi
6485     ;;
6486
6487   system)
6488     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6489     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6490     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6491     ;;
6492
6493   no)
6494     ;;
6495   *)
6496     error_exit "Unknown state for slirp: $slirp"
6497     ;;
6498 esac
6499
6500 ##########################################
6501 # check for usable __NR_keyctl syscall
6502
6503 if test "$linux" = "yes" ; then
6504
6505     have_keyring=no
6506     cat > $TMPC << EOF
6507 #include <errno.h>
6508 #include <asm/unistd.h>
6509 #include <linux/keyctl.h>
6510 #include <unistd.h>
6511 int main(void) {
6512     return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
6513 }
6514 EOF
6515     if compile_prog "" "" ; then
6516         have_keyring=yes
6517     fi
6518 fi
6519 if test "$secret_keyring" != "no"
6520 then
6521     if test "$have_keyring" = "yes"
6522     then
6523         secret_keyring=yes
6524     else
6525         if test "$secret_keyring" = "yes"
6526         then
6527             error_exit "syscall __NR_keyctl requested, \
6528 but not implemented on your system"
6529         else
6530             secret_keyring=no
6531         fi
6532     fi
6533 fi
6534
6535 ##########################################
6536 # check for usable keyutils.h
6537
6538 if test "$linux" = "yes" ; then
6539
6540     have_keyutils=no
6541     cat > $TMPC << EOF
6542 #include <errno.h>
6543 #include <asm/unistd.h>
6544 #include <unistd.h>
6545 #include <sys/types.h>
6546 #include <keyutils.h>
6547 int main(void) {
6548     return request_key("user", NULL, NULL, 0);
6549 }
6550 EOF
6551     if compile_prog "" "-lkeyutils"; then
6552         have_keyutils=yes
6553     fi
6554 fi
6555
6556
6557 ##########################################
6558 # End of CC checks
6559 # After here, no more $cc or $ld runs
6560
6561 write_c_skeleton
6562
6563 if test "$gcov" = "yes" ; then
6564   QEMU_CFLAGS="-fprofile-arcs -ftest-coverage -g $QEMU_CFLAGS"
6565   QEMU_LDFLAGS="-fprofile-arcs -ftest-coverage $QEMU_LDFLAGS"
6566 elif test "$fortify_source" = "yes" ; then
6567   QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
6568   debug=no
6569 fi
6570 if test "$debug_info" = "yes"; then
6571   CFLAGS="-g $CFLAGS"
6572   LDFLAGS="-g $LDFLAGS"
6573 fi
6574 if test "$debug" = "no"; then
6575   CFLAGS="-O2 $CFLAGS"
6576 fi
6577
6578 case "$ARCH" in
6579 alpha)
6580   # Ensure there's only a single GP
6581   QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
6582 ;;
6583 esac
6584
6585 if test "$gprof" = "yes" ; then
6586   QEMU_CFLAGS="-p $QEMU_CFLAGS"
6587   QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
6588 fi
6589
6590 if test "$have_asan" = "yes"; then
6591   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6592   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6593   if test "$have_asan_iface_h" = "no" ; then
6594       echo "ASAN build enabled, but ASAN header missing." \
6595            "Without code annotation, the report may be inferior."
6596   elif test "$have_asan_iface_fiber" = "no" ; then
6597       echo "ASAN build enabled, but ASAN header is too old." \
6598            "Without code annotation, the report may be inferior."
6599   fi
6600 fi
6601 if test "$have_tsan" = "yes" ; then
6602   if test "$have_tsan_iface_fiber" = "yes" ; then
6603     QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
6604     QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
6605   else
6606     error_exit "Cannot enable TSAN due to missing fiber annotation interface."
6607   fi
6608 elif test "$tsan" = "yes" ; then
6609   error_exit "Cannot enable TSAN due to missing sanitize thread interface."
6610 fi
6611 if test "$have_ubsan" = "yes"; then
6612   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6613   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6614 fi
6615
6616 ##########################################
6617 # Do we have libnfs
6618 if test "$libnfs" != "no" ; then
6619   if $pkg_config --atleast-version=1.9.3 libnfs; then
6620     libnfs="yes"
6621     libnfs_libs=$($pkg_config --libs libnfs)
6622   else
6623     if test "$libnfs" = "yes" ; then
6624       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6625     fi
6626     libnfs="no"
6627   fi
6628 fi
6629
6630 ##########################################
6631 # Do we have libudev
6632 if test "$libudev" != "no" ; then
6633   if $pkg_config libudev && test "$static" != "yes"; then
6634     libudev="yes"
6635     libudev_libs=$($pkg_config --libs libudev)
6636   else
6637     libudev="no"
6638   fi
6639 fi
6640
6641 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6642 if test "$werror" = "yes"; then
6643     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6644 fi
6645
6646 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
6647 if test "$solaris" = "no" && test "$tsan" = "no"; then
6648     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6649         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6650     fi
6651 fi
6652
6653 # test if pod2man has --utf8 option
6654 if pod2man --help | grep -q utf8; then
6655     POD2MAN="pod2man --utf8"
6656 else
6657     POD2MAN="pod2man"
6658 fi
6659
6660 # Use ASLR, no-SEH and DEP if available
6661 if test "$mingw32" = "yes" ; then
6662     for flag in --dynamicbase --no-seh --nxcompat; do
6663         if ld_has $flag ; then
6664             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6665         fi
6666     done
6667 fi
6668
6669 # Disable OpenBSD W^X if available
6670 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6671     cat > $TMPC <<EOF
6672     int main(void) { return 0; }
6673 EOF
6674     wx_ldflags="-Wl,-z,wxneeded"
6675     if compile_prog "" "$wx_ldflags"; then
6676         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6677     fi
6678 fi
6679
6680 qemu_confdir=$sysconfdir$confsuffix
6681 qemu_moddir=$libdir$confsuffix
6682 qemu_datadir=$datadir$confsuffix
6683 qemu_localedir="$datadir/locale"
6684 qemu_icondir="$datadir/icons"
6685 qemu_desktopdir="$datadir/applications"
6686
6687 # We can only support ivshmem if we have eventfd
6688 if [ "$eventfd" = "yes" ]; then
6689   ivshmem=yes
6690 fi
6691
6692 tools=""
6693 if test "$want_tools" = "yes" ; then
6694   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
6695   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6696     tools="qemu-nbd\$(EXESUF) qemu-storage-daemon\$(EXESUF) $tools"
6697   fi
6698   if [ "$ivshmem" = "yes" ]; then
6699     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
6700   fi
6701   if [ "$curl" = "yes" ]; then
6702       tools="elf2dmp\$(EXESUF) $tools"
6703   fi
6704 fi
6705 if test "$softmmu" = yes ; then
6706   if test "$linux" = yes; then
6707     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6708       virtfs=yes
6709       helpers="$helpers fsdev/virtfs-proxy-helper\$(EXESUF)"
6710     else
6711       if test "$virtfs" = yes; then
6712         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6713       fi
6714       virtfs=no
6715     fi
6716     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6717       mpath=yes
6718     else
6719       if test "$mpath" = yes; then
6720         error_exit "Multipath requires libmpathpersist devel"
6721       fi
6722       mpath=no
6723     fi
6724     helpers="$helpers scsi/qemu-pr-helper\$(EXESUF)"
6725   else
6726     if test "$virtfs" = yes; then
6727       error_exit "VirtFS is supported only on Linux"
6728     fi
6729     virtfs=no
6730     if test "$mpath" = yes; then
6731       error_exit "Multipath is supported only on Linux"
6732     fi
6733     mpath=no
6734   fi
6735   if test "$xkbcommon" = "yes"; then
6736     tools="qemu-keymap\$(EXESUF) $tools"
6737   fi
6738 fi
6739
6740 # Probe for guest agent support/options
6741
6742 if [ "$guest_agent" != "no" ]; then
6743   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6744       guest_agent=no
6745   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6746       tools="qemu-ga\$(EXESUF) $tools"
6747       guest_agent=yes
6748   elif [ "$guest_agent" != yes ]; then
6749       guest_agent=no
6750   else
6751       error_exit "Guest agent is not supported on this platform"
6752   fi
6753 fi
6754
6755 # Guest agent Window MSI  package
6756
6757 if test "$guest_agent" != yes; then
6758   if test "$guest_agent_msi" = yes; then
6759     error_exit "MSI guest agent package requires guest agent enabled"
6760   fi
6761   guest_agent_msi=no
6762 elif test "$mingw32" != "yes"; then
6763   if test "$guest_agent_msi" = "yes"; then
6764     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6765   fi
6766   guest_agent_msi=no
6767 elif ! has wixl; then
6768   if test "$guest_agent_msi" = "yes"; then
6769     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6770   fi
6771   guest_agent_msi=no
6772 else
6773   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6774   # disabled explicitly
6775   if test "$guest_agent_msi" != "no"; then
6776     guest_agent_msi=yes
6777   fi
6778 fi
6779
6780 if test "$guest_agent_msi" = "yes"; then
6781   if test "$guest_agent_with_vss" = "yes"; then
6782     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6783   fi
6784
6785   if test "$QEMU_GA_MANUFACTURER" = ""; then
6786     QEMU_GA_MANUFACTURER=QEMU
6787   fi
6788
6789   if test "$QEMU_GA_DISTRO" = ""; then
6790     QEMU_GA_DISTRO=Linux
6791   fi
6792
6793   if test "$QEMU_GA_VERSION" = ""; then
6794       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6795   fi
6796
6797   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6798
6799   case "$cpu" in
6800   x86_64)
6801     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6802     ;;
6803   i386)
6804     QEMU_GA_MSI_ARCH="-D Arch=32"
6805     ;;
6806   *)
6807     error_exit "CPU $cpu not supported for building installation package"
6808     ;;
6809   esac
6810 fi
6811
6812 # Mac OS X ships with a broken assembler
6813 roms=
6814 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6815         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6816         test "$softmmu" = yes ; then
6817     # Different host OS linkers have different ideas about the name of the ELF
6818     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6819     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6820     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6821         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6822             ld_i386_emulation="$emu"
6823             roms="optionrom"
6824             break
6825         fi
6826     done
6827 fi
6828
6829 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6830 if test "$cpu" = "s390x" ; then
6831   write_c_skeleton
6832   if compile_prog "-march=z900" ""; then
6833     roms="$roms s390-ccw"
6834     # SLOF is required for building the s390-ccw firmware on s390x,
6835     # since it is using the libnet code from SLOF for network booting.
6836     if test -e "${source_path}/.git" ; then
6837       git_submodules="${git_submodules} roms/SLOF"
6838     fi
6839   fi
6840 fi
6841
6842 # Check that the C++ compiler exists and works with the C compiler.
6843 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6844 if has $cxx; then
6845     cat > $TMPC <<EOF
6846 int c_function(void);
6847 int main(void) { return c_function(); }
6848 EOF
6849
6850     compile_object
6851
6852     cat > $TMPCXX <<EOF
6853 extern "C" {
6854    int c_function(void);
6855 }
6856 int c_function(void) { return 42; }
6857 EOF
6858
6859     update_cxxflags
6860
6861     if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6862         # C++ compiler $cxx works ok with C compiler $cc
6863         :
6864     else
6865         echo "C++ compiler $cxx does not work with C compiler $cc"
6866         echo "Disabling C++ specific optional code"
6867         cxx=
6868     fi
6869 else
6870     echo "No C++ compiler available; disabling C++ specific optional code"
6871     cxx=
6872 fi
6873
6874 echo_version() {
6875     if test "$1" = "yes" ; then
6876         echo "($2)"
6877     fi
6878 }
6879
6880 # prepend pixman and ftd flags after all config tests are done
6881 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6882 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6883 libs_softmmu="$pixman_libs $libs_softmmu"
6884
6885 echo "Install prefix    $prefix"
6886 echo "BIOS directory    $(eval echo $qemu_datadir)"
6887 echo "firmware path     $(eval echo $firmwarepath)"
6888 echo "binary directory  $(eval echo $bindir)"
6889 echo "library directory $(eval echo $libdir)"
6890 echo "module directory  $(eval echo $qemu_moddir)"
6891 echo "libexec directory $(eval echo $libexecdir)"
6892 echo "include directory $(eval echo $includedir)"
6893 echo "config directory  $(eval echo $sysconfdir)"
6894 if test "$mingw32" = "no" ; then
6895 echo "local state directory   $(eval echo $local_statedir)"
6896 echo "Manual directory  $(eval echo $mandir)"
6897 echo "ELF interp prefix $interp_prefix"
6898 else
6899 echo "local state directory   queried at runtime"
6900 echo "Windows SDK       $win_sdk"
6901 fi
6902 echo "Build directory   $(pwd)"
6903 echo "Source path       $source_path"
6904 echo "GIT binary        $git"
6905 echo "GIT submodules    $git_submodules"
6906 echo "C compiler        $cc"
6907 echo "Host C compiler   $host_cc"
6908 echo "C++ compiler      $cxx"
6909 echo "Objective-C compiler $objcc"
6910 echo "ARFLAGS           $ARFLAGS"
6911 echo "CFLAGS            $CFLAGS"
6912 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6913 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6914 echo "make              $make"
6915 echo "install           $install"
6916 echo "python            $python ($python_version)"
6917 if test "$docs" != "no"; then
6918     echo "sphinx-build      $sphinx_build"
6919 fi
6920 echo "genisoimage       $genisoimage"
6921 echo "slirp support     $slirp $(echo_version $slirp $slirp_version)"
6922 if test "$slirp" != "no" ; then
6923     echo "smbd              $smbd"
6924 fi
6925 echo "module support    $modules"
6926 echo "alt path mod load $module_upgrades"
6927 echo "host CPU          $cpu"
6928 echo "host big endian   $bigendian"
6929 echo "target list       $target_list"
6930 echo "gprof enabled     $gprof"
6931 echo "sparse enabled    $sparse"
6932 echo "strip binaries    $strip_opt"
6933 echo "profiler          $profiler"
6934 echo "static build      $static"
6935 echo "safe stack        $safe_stack"
6936 if test "$darwin" = "yes" ; then
6937     echo "Cocoa support     $cocoa"
6938 fi
6939 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6940 echo "SDL image support $sdl_image"
6941 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6942 echo "GTK GL support    $gtk_gl"
6943 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6944 echo "TLS priority      $tls_priority"
6945 echo "GNUTLS support    $gnutls"
6946 echo "libgcrypt         $gcrypt"
6947 if test "$gcrypt" = "yes"
6948 then
6949    echo "  hmac            $gcrypt_hmac"
6950    echo "  XTS             $gcrypt_xts"
6951 fi
6952 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6953 if test "$nettle" = "yes"
6954 then
6955    echo "  XTS             $nettle_xts"
6956 fi
6957 echo "libtasn1          $tasn1"
6958 echo "PAM               $auth_pam"
6959 echo "iconv support     $iconv"
6960 echo "curses support    $curses"
6961 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6962 echo "curl support      $curl"
6963 echo "mingw32 support   $mingw32"
6964 echo "Audio drivers     $audio_drv_list"
6965 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6966 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6967 echo "VirtFS support    $virtfs"
6968 echo "Multipath support $mpath"
6969 echo "VNC support       $vnc"
6970 if test "$vnc" = "yes" ; then
6971     echo "VNC SASL support  $vnc_sasl"
6972     echo "VNC JPEG support  $vnc_jpeg"
6973     echo "VNC PNG support   $vnc_png"
6974 fi
6975 echo "xen support       $xen"
6976 if test "$xen" = "yes" ; then
6977   echo "xen ctrl version  $xen_ctrl_version"
6978 fi
6979 echo "brlapi support    $brlapi"
6980 echo "Documentation     $docs"
6981 echo "PIE               $pie"
6982 echo "vde support       $vde"
6983 echo "netmap support    $netmap"
6984 echo "Linux AIO support $linux_aio"
6985 echo "Linux io_uring support $linux_io_uring"
6986 echo "ATTR/XATTR support $attr"
6987 echo "Install blobs     $blobs"
6988 echo "KVM support       $kvm"
6989 echo "HAX support       $hax"
6990 echo "HVF support       $hvf"
6991 echo "WHPX support      $whpx"
6992 echo "TCG support       $tcg"
6993 if test "$tcg" = "yes" ; then
6994     echo "TCG debug enabled $debug_tcg"
6995     echo "TCG interpreter   $tcg_interpreter"
6996 fi
6997 echo "malloc trim support $malloc_trim"
6998 echo "RDMA support      $rdma"
6999 echo "PVRDMA support    $pvrdma"
7000 echo "fdt support       $fdt"
7001 echo "membarrier        $membarrier"
7002 echo "preadv support    $preadv"
7003 echo "fdatasync         $fdatasync"
7004 echo "madvise           $madvise"
7005 echo "posix_madvise     $posix_madvise"
7006 echo "posix_memalign    $posix_memalign"
7007 echo "libcap-ng support $cap_ng"
7008 echo "vhost-net support $vhost_net"
7009 echo "vhost-crypto support $vhost_crypto"
7010 echo "vhost-scsi support $vhost_scsi"
7011 echo "vhost-vsock support $vhost_vsock"
7012 echo "vhost-user support $vhost_user"
7013 echo "vhost-user-fs support $vhost_user_fs"
7014 echo "vhost-vdpa support $vhost_vdpa"
7015 echo "Trace backends    $trace_backends"
7016 if have_backend "simple"; then
7017 echo "Trace output file $trace_file-<pid>"
7018 fi
7019 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
7020 echo "rbd support       $rbd"
7021 echo "xfsctl support    $xfs"
7022 echo "smartcard support $smartcard"
7023 echo "libusb            $libusb"
7024 echo "usb net redir     $usb_redir"
7025 echo "OpenGL support    $opengl"
7026 echo "OpenGL dmabufs    $opengl_dmabuf"
7027 echo "libiscsi support  $libiscsi"
7028 echo "libnfs support    $libnfs"
7029 echo "build guest agent $guest_agent"
7030 echo "QGA VSS support   $guest_agent_with_vss"
7031 echo "QGA w32 disk info $guest_agent_ntddscsi"
7032 echo "QGA MSI support   $guest_agent_msi"
7033 echo "seccomp support   $seccomp"
7034 echo "coroutine backend $coroutine"
7035 echo "coroutine pool    $coroutine_pool"
7036 echo "debug stack usage $debug_stack_usage"
7037 echo "mutex debugging   $debug_mutex"
7038 echo "crypto afalg      $crypto_afalg"
7039 echo "GlusterFS support $glusterfs"
7040 echo "gcov              $gcov_tool"
7041 echo "gcov enabled      $gcov"
7042 echo "TPM support       $tpm"
7043 echo "libssh support    $libssh"
7044 echo "QOM debugging     $qom_cast_debug"
7045 echo "Live block migration $live_block_migration"
7046 echo "lzo support       $lzo"
7047 echo "snappy support    $snappy"
7048 echo "bzip2 support     $bzip2"
7049 echo "lzfse support     $lzfse"
7050 echo "zstd support      $zstd"
7051 echo "NUMA host support $numa"
7052 echo "libxml2           $libxml2"
7053 echo "tcmalloc support  $tcmalloc"
7054 echo "jemalloc support  $jemalloc"
7055 echo "avx2 optimization $avx2_opt"
7056 echo "avx512f optimization $avx512f_opt"
7057 echo "replication support $replication"
7058 echo "bochs support     $bochs"
7059 echo "cloop support     $cloop"
7060 echo "dmg support       $dmg"
7061 echo "qcow v1 support   $qcow1"
7062 echo "vdi support       $vdi"
7063 echo "vvfat support     $vvfat"
7064 echo "qed support       $qed"
7065 echo "parallels support $parallels"
7066 echo "sheepdog support  $sheepdog"
7067 echo "capstone          $capstone"
7068 echo "libpmem support   $libpmem"
7069 echo "libdaxctl support $libdaxctl"
7070 echo "libudev           $libudev"
7071 echo "default devices   $default_devices"
7072 echo "plugin support    $plugins"
7073 echo "fuzzing support   $fuzzing"
7074 echo "gdb               $gdb_bin"
7075 echo "rng-none          $rng_none"
7076 echo "Linux keyring     $secret_keyring"
7077
7078 if test "$supported_cpu" = "no"; then
7079     echo
7080     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
7081     echo
7082     echo "CPU host architecture $cpu support is not currently maintained."
7083     echo "The QEMU project intends to remove support for this host CPU in"
7084     echo "a future release if nobody volunteers to maintain it and to"
7085     echo "provide a build host for our continuous integration setup."
7086     echo "configure has succeeded and you can continue to build, but"
7087     echo "if you care about QEMU on this platform you should contact"
7088     echo "us upstream at qemu-devel@nongnu.org."
7089 fi
7090
7091 if test "$supported_os" = "no"; then
7092     echo
7093     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
7094     echo
7095     echo "Host OS $targetos support is not currently maintained."
7096     echo "The QEMU project intends to remove support for this host OS in"
7097     echo "a future release if nobody volunteers to maintain it and to"
7098     echo "provide a build host for our continuous integration setup."
7099     echo "configure has succeeded and you can continue to build, but"
7100     echo "if you care about QEMU on this platform you should contact"
7101     echo "us upstream at qemu-devel@nongnu.org."
7102 fi
7103
7104 config_host_mak="config-host.mak"
7105
7106 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
7107
7108 echo "# Automatically generated by configure - do not modify" > $config_host_mak
7109 echo >> $config_host_mak
7110
7111 echo all: >> $config_host_mak
7112 echo "prefix=$prefix" >> $config_host_mak
7113 echo "bindir=$bindir" >> $config_host_mak
7114 echo "libdir=$libdir" >> $config_host_mak
7115 echo "libexecdir=$libexecdir" >> $config_host_mak
7116 echo "includedir=$includedir" >> $config_host_mak
7117 echo "mandir=$mandir" >> $config_host_mak
7118 echo "sysconfdir=$sysconfdir" >> $config_host_mak
7119 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
7120 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
7121 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
7122 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
7123 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
7124 if test "$mingw32" = "no" ; then
7125   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
7126 fi
7127 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
7128 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
7129 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
7130 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
7131 echo "libs_cpu=$libs_cpu" >> $config_host_mak
7132 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
7133 echo "GIT=$git" >> $config_host_mak
7134 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
7135 echo "GIT_UPDATE=$git_update" >> $config_host_mak
7136
7137 echo "ARCH=$ARCH" >> $config_host_mak
7138
7139 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
7140 echo "GLIB_LDFLAGS=$glib_ldflags" >> $config_host_mak
7141
7142 if test "$default_devices" = "yes" ; then
7143   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
7144 else
7145   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
7146 fi
7147 if test "$debug_tcg" = "yes" ; then
7148   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
7149 fi
7150 if test "$strip_opt" = "yes" ; then
7151   echo "STRIP=${strip}" >> $config_host_mak
7152 fi
7153 if test "$bigendian" = "yes" ; then
7154   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
7155 fi
7156 if test "$mingw32" = "yes" ; then
7157   echo "CONFIG_WIN32=y" >> $config_host_mak
7158   rc_version=$(cat $source_path/VERSION)
7159   version_major=${rc_version%%.*}
7160   rc_version=${rc_version#*.}
7161   version_minor=${rc_version%%.*}
7162   rc_version=${rc_version#*.}
7163   version_subminor=${rc_version%%.*}
7164   version_micro=0
7165   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
7166   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
7167   if test "$guest_agent_with_vss" = "yes" ; then
7168     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
7169     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
7170     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
7171   fi
7172   if test "$guest_agent_ntddscsi" = "yes" ; then
7173     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
7174   fi
7175   if test "$guest_agent_msi" = "yes"; then
7176     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
7177     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
7178     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
7179     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
7180     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
7181     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
7182     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
7183   fi
7184 else
7185   echo "CONFIG_POSIX=y" >> $config_host_mak
7186 fi
7187
7188 if test "$linux" = "yes" ; then
7189   echo "CONFIG_LINUX=y" >> $config_host_mak
7190 fi
7191
7192 if test "$darwin" = "yes" ; then
7193   echo "CONFIG_DARWIN=y" >> $config_host_mak
7194 fi
7195
7196 if test "$solaris" = "yes" ; then
7197   echo "CONFIG_SOLARIS=y" >> $config_host_mak
7198 fi
7199 if test "$haiku" = "yes" ; then
7200   echo "CONFIG_HAIKU=y" >> $config_host_mak
7201 fi
7202 if test "$static" = "yes" ; then
7203   echo "CONFIG_STATIC=y" >> $config_host_mak
7204 fi
7205 if test "$profiler" = "yes" ; then
7206   echo "CONFIG_PROFILER=y" >> $config_host_mak
7207 fi
7208 if test "$want_tools" = "yes" ; then
7209   echo "CONFIG_TOOLS=y" >> $config_host_mak
7210 fi
7211 if test "$slirp" != "no"; then
7212   echo "CONFIG_SLIRP=y" >> $config_host_mak
7213   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
7214   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
7215   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
7216 fi
7217 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
7218     echo "config-host.h: slirp/all" >> $config_host_mak
7219 fi
7220 if test "$vde" = "yes" ; then
7221   echo "CONFIG_VDE=y" >> $config_host_mak
7222   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
7223 fi
7224 if test "$netmap" = "yes" ; then
7225   echo "CONFIG_NETMAP=y" >> $config_host_mak
7226 fi
7227 if test "$l2tpv3" = "yes" ; then
7228   echo "CONFIG_L2TPV3=y" >> $config_host_mak
7229 fi
7230 if test "$gprof" = "yes" ; then
7231   echo "CONFIG_GPROF=y" >> $config_host_mak
7232 fi
7233 if test "$cap_ng" = "yes" ; then
7234   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
7235 fi
7236 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
7237 for drv in $audio_drv_list; do
7238     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
7239     case "$drv" in
7240         alsa | oss | pa | sdl)
7241             echo "$def=m" >> $config_host_mak ;;
7242         *)
7243             echo "$def=y" >> $config_host_mak ;;
7244     esac
7245 done
7246 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
7247 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
7248 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
7249 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
7250 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
7251 echo "JACK_LIBS=$jack_libs" >> $config_host_mak
7252 if test "$audio_win_int" = "yes" ; then
7253   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
7254 fi
7255 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
7256 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
7257 if test "$vnc" = "yes" ; then
7258   echo "CONFIG_VNC=y" >> $config_host_mak
7259 fi
7260 if test "$vnc_sasl" = "yes" ; then
7261   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
7262 fi
7263 if test "$vnc_jpeg" = "yes" ; then
7264   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
7265 fi
7266 if test "$vnc_png" = "yes" ; then
7267   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
7268 fi
7269 if test "$xkbcommon" = "yes" ; then
7270   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
7271   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
7272 fi
7273 if test "$xfs" = "yes" ; then
7274   echo "CONFIG_XFS=y" >> $config_host_mak
7275 fi
7276 qemu_version=$(head $source_path/VERSION)
7277 echo "VERSION=$qemu_version" >>$config_host_mak
7278 echo "PKGVERSION=$pkgversion" >>$config_host_mak
7279 echo "SRC_PATH=$source_path" >> $config_host_mak
7280 echo "TARGET_DIRS=$target_list" >> $config_host_mak
7281 if [ "$docs" = "yes" ] ; then
7282   echo "BUILD_DOCS=yes" >> $config_host_mak
7283 fi
7284 if test "$modules" = "yes"; then
7285   # $shacmd can generate a hash started with digit, which the compiler doesn't
7286   # like as an symbol. So prefix it with an underscore
7287   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
7288   echo "CONFIG_MODULES=y" >> $config_host_mak
7289 fi
7290 if test "$module_upgrades" = "yes"; then
7291   echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
7292 fi
7293 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
7294   echo "CONFIG_X11=y" >> $config_host_mak
7295   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
7296   echo "X11_LIBS=$x11_libs" >> $config_host_mak
7297 fi
7298 if test "$sdl" = "yes" ; then
7299   echo "CONFIG_SDL=m" >> $config_host_mak
7300   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
7301   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
7302   if test "$sdl_image" = "yes" ; then
7303       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
7304   fi
7305 fi
7306 if test "$cocoa" = "yes" ; then
7307   echo "CONFIG_COCOA=y" >> $config_host_mak
7308 fi
7309 if test "$iconv" = "yes" ; then
7310   echo "CONFIG_ICONV=y" >> $config_host_mak
7311   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
7312   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
7313 fi
7314 if test "$curses" = "yes" ; then
7315   echo "CONFIG_CURSES=m" >> $config_host_mak
7316   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
7317   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
7318 fi
7319 if test "$pipe2" = "yes" ; then
7320   echo "CONFIG_PIPE2=y" >> $config_host_mak
7321 fi
7322 if test "$accept4" = "yes" ; then
7323   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
7324 fi
7325 if test "$splice" = "yes" ; then
7326   echo "CONFIG_SPLICE=y" >> $config_host_mak
7327 fi
7328 if test "$eventfd" = "yes" ; then
7329   echo "CONFIG_EVENTFD=y" >> $config_host_mak
7330 fi
7331 if test "$memfd" = "yes" ; then
7332   echo "CONFIG_MEMFD=y" >> $config_host_mak
7333 fi
7334 if test "$have_usbfs" = "yes" ; then
7335   echo "CONFIG_USBFS=y" >> $config_host_mak
7336 fi
7337 if test "$fallocate" = "yes" ; then
7338   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
7339 fi
7340 if test "$fallocate_punch_hole" = "yes" ; then
7341   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
7342 fi
7343 if test "$fallocate_zero_range" = "yes" ; then
7344   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
7345 fi
7346 if test "$posix_fallocate" = "yes" ; then
7347   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
7348 fi
7349 if test "$sync_file_range" = "yes" ; then
7350   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
7351 fi
7352 if test "$fiemap" = "yes" ; then
7353   echo "CONFIG_FIEMAP=y" >> $config_host_mak
7354 fi
7355 if test "$dup3" = "yes" ; then
7356   echo "CONFIG_DUP3=y" >> $config_host_mak
7357 fi
7358 if test "$ppoll" = "yes" ; then
7359   echo "CONFIG_PPOLL=y" >> $config_host_mak
7360 fi
7361 if test "$prctl_pr_set_timerslack" = "yes" ; then
7362   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
7363 fi
7364 if test "$epoll" = "yes" ; then
7365   echo "CONFIG_EPOLL=y" >> $config_host_mak
7366 fi
7367 if test "$epoll_create1" = "yes" ; then
7368   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
7369 fi
7370 if test "$sendfile" = "yes" ; then
7371   echo "CONFIG_SENDFILE=y" >> $config_host_mak
7372 fi
7373 if test "$timerfd" = "yes" ; then
7374   echo "CONFIG_TIMERFD=y" >> $config_host_mak
7375 fi
7376 if test "$setns" = "yes" ; then
7377   echo "CONFIG_SETNS=y" >> $config_host_mak
7378 fi
7379 if test "$clock_adjtime" = "yes" ; then
7380   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
7381 fi
7382 if test "$syncfs" = "yes" ; then
7383   echo "CONFIG_SYNCFS=y" >> $config_host_mak
7384 fi
7385 if test "$kcov" = "yes" ; then
7386   echo "CONFIG_KCOV=y" >> $config_host_mak
7387 fi
7388 if test "$inotify" = "yes" ; then
7389   echo "CONFIG_INOTIFY=y" >> $config_host_mak
7390 fi
7391 if test "$inotify1" = "yes" ; then
7392   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
7393 fi
7394 if test "$sem_timedwait" = "yes" ; then
7395   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
7396 fi
7397 if test "$strchrnul" = "yes" ; then
7398   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
7399 fi
7400 if test "$st_atim" = "yes" ; then
7401   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
7402 fi
7403 if test "$byteswap_h" = "yes" ; then
7404   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
7405 fi
7406 if test "$bswap_h" = "yes" ; then
7407   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
7408 fi
7409 if test "$curl" = "yes" ; then
7410   echo "CONFIG_CURL=m" >> $config_host_mak
7411   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
7412   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
7413 fi
7414 if test "$brlapi" = "yes" ; then
7415   echo "CONFIG_BRLAPI=y" >> $config_host_mak
7416   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
7417 fi
7418 if test "$gtk" = "yes" ; then
7419   echo "CONFIG_GTK=m" >> $config_host_mak
7420   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
7421   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
7422   if test "$gtk_gl" = "yes" ; then
7423     echo "CONFIG_GTK_GL=y" >> $config_host_mak
7424   fi
7425 fi
7426 if test "$gio" = "yes" ; then
7427     echo "CONFIG_GIO=y" >> $config_host_mak
7428     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
7429     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
7430     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
7431 fi
7432 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
7433 if test "$gnutls" = "yes" ; then
7434   echo "CONFIG_GNUTLS=y" >> $config_host_mak
7435 fi
7436 if test "$gcrypt" = "yes" ; then
7437   echo "CONFIG_GCRYPT=y" >> $config_host_mak
7438   if test "$gcrypt_hmac" = "yes" ; then
7439     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
7440   fi
7441 fi
7442 if test "$nettle" = "yes" ; then
7443   echo "CONFIG_NETTLE=y" >> $config_host_mak
7444   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
7445 fi
7446 if test "$qemu_private_xts" = "yes" ; then
7447   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
7448 fi
7449 if test "$tasn1" = "yes" ; then
7450   echo "CONFIG_TASN1=y" >> $config_host_mak
7451 fi
7452 if test "$auth_pam" = "yes" ; then
7453     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
7454 fi
7455 if test "$have_ifaddrs_h" = "yes" ; then
7456     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
7457 fi
7458 if test "$have_drm_h" = "yes" ; then
7459   echo "HAVE_DRM_H=y" >> $config_host_mak
7460 fi
7461 if test "$have_broken_size_max" = "yes" ; then
7462     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
7463 fi
7464 if test "$have_openpty" = "yes" ; then
7465     echo "HAVE_OPENPTY=y" >> $config_host_mak
7466 fi
7467 if test "$have_sys_signal_h" = "yes" ; then
7468     echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
7469 fi
7470
7471 # Work around a system header bug with some kernel/XFS header
7472 # versions where they both try to define 'struct fsxattr':
7473 # xfs headers will not try to redefine structs from linux headers
7474 # if this macro is set.
7475 if test "$have_fsxattr" = "yes" ; then
7476     echo "HAVE_FSXATTR=y" >> $config_host_mak
7477 fi
7478 if test "$have_copy_file_range" = "yes" ; then
7479     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7480 fi
7481 if test "$vte" = "yes" ; then
7482   echo "CONFIG_VTE=y" >> $config_host_mak
7483   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7484   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7485 fi
7486 if test "$virglrenderer" = "yes" ; then
7487   echo "CONFIG_VIRGL=y" >> $config_host_mak
7488   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7489   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7490 fi
7491 if test "$xen" = "yes" ; then
7492   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7493   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7494 fi
7495 if test "$linux_aio" = "yes" ; then
7496   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7497 fi
7498 if test "$linux_io_uring" = "yes" ; then
7499   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7500   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7501   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7502 fi
7503 if test "$attr" = "yes" ; then
7504   echo "CONFIG_ATTR=y" >> $config_host_mak
7505 fi
7506 if test "$libattr" = "yes" ; then
7507   echo "CONFIG_LIBATTR=y" >> $config_host_mak
7508 fi
7509 if test "$virtfs" = "yes" ; then
7510   echo "CONFIG_VIRTFS=y" >> $config_host_mak
7511 fi
7512 if test "$mpath" = "yes" ; then
7513   echo "CONFIG_MPATH=y" >> $config_host_mak
7514   if test "$mpathpersist_new_api" = "yes"; then
7515     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7516   fi
7517 fi
7518 if test "$vhost_scsi" = "yes" ; then
7519   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7520 fi
7521 if test "$vhost_net" = "yes" ; then
7522   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7523 fi
7524 if test "$vhost_net_user" = "yes" ; then
7525   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7526 fi
7527 if test "$vhost_net_vdpa" = "yes" ; then
7528   echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
7529 fi
7530 if test "$vhost_crypto" = "yes" ; then
7531   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7532 fi
7533 if test "$vhost_vsock" = "yes" ; then
7534   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7535   if test "$vhost_user" = "yes" ; then
7536     echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
7537   fi
7538 fi
7539 if test "$vhost_kernel" = "yes" ; then
7540   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7541 fi
7542 if test "$vhost_user" = "yes" ; then
7543   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7544 fi
7545 if test "$vhost_vdpa" = "yes" ; then
7546   echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
7547 fi
7548 if test "$vhost_user_fs" = "yes" ; then
7549   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7550 fi
7551 if test "$blobs" = "yes" ; then
7552   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7553 fi
7554 if test "$iovec" = "yes" ; then
7555   echo "CONFIG_IOVEC=y" >> $config_host_mak
7556 fi
7557 if test "$preadv" = "yes" ; then
7558   echo "CONFIG_PREADV=y" >> $config_host_mak
7559 fi
7560 if test "$fdt" != "no" ; then
7561   echo "CONFIG_FDT=y" >> $config_host_mak
7562 fi
7563 if test "$membarrier" = "yes" ; then
7564   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7565 fi
7566 if test "$signalfd" = "yes" ; then
7567   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7568 fi
7569 if test "$optreset" = "yes" ; then
7570   echo "HAVE_OPTRESET=y" >> $config_host_mak
7571 fi
7572 if test "$tcg" = "yes"; then
7573   echo "CONFIG_TCG=y" >> $config_host_mak
7574   if test "$tcg_interpreter" = "yes" ; then
7575     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7576   fi
7577 fi
7578 if test "$fdatasync" = "yes" ; then
7579   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7580 fi
7581 if test "$madvise" = "yes" ; then
7582   echo "CONFIG_MADVISE=y" >> $config_host_mak
7583 fi
7584 if test "$posix_madvise" = "yes" ; then
7585   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7586 fi
7587 if test "$posix_memalign" = "yes" ; then
7588   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7589 fi
7590
7591 if test "$spice" = "yes" ; then
7592   echo "CONFIG_SPICE=y" >> $config_host_mak
7593 fi
7594
7595 if test "$smartcard" = "yes" ; then
7596   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7597   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7598   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7599 fi
7600
7601 if test "$libusb" = "yes" ; then
7602   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7603   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7604   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7605 fi
7606
7607 if test "$usb_redir" = "yes" ; then
7608   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7609   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7610   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7611 fi
7612
7613 if test "$opengl" = "yes" ; then
7614   echo "CONFIG_OPENGL=y" >> $config_host_mak
7615   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7616   if test "$opengl_dmabuf" = "yes" ; then
7617     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7618   fi
7619 fi
7620
7621 if test "$gbm" = "yes" ; then
7622     echo "CONFIG_GBM=y" >> $config_host_mak
7623     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7624     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7625 fi
7626
7627
7628 if test "$malloc_trim" = "yes" ; then
7629   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7630 fi
7631
7632 if test "$avx2_opt" = "yes" ; then
7633   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7634 fi
7635
7636 if test "$avx512f_opt" = "yes" ; then
7637   echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
7638 fi
7639
7640 if test "$lzo" = "yes" ; then
7641   echo "CONFIG_LZO=y" >> $config_host_mak
7642 fi
7643
7644 if test "$snappy" = "yes" ; then
7645   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7646 fi
7647
7648 if test "$bzip2" = "yes" ; then
7649   echo "CONFIG_BZIP2=y" >> $config_host_mak
7650   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7651 fi
7652
7653 if test "$lzfse" = "yes" ; then
7654   echo "CONFIG_LZFSE=y" >> $config_host_mak
7655   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7656 fi
7657
7658 if test "$zstd" = "yes" ; then
7659   echo "CONFIG_ZSTD=y" >> $config_host_mak
7660 fi
7661
7662 if test "$libiscsi" = "yes" ; then
7663   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7664   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7665   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7666 fi
7667
7668 if test "$libnfs" = "yes" ; then
7669   echo "CONFIG_LIBNFS=m" >> $config_host_mak
7670   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7671 fi
7672
7673 if test "$seccomp" = "yes"; then
7674   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7675   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7676   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7677 fi
7678
7679 # XXX: suppress that
7680 if [ "$bsd" = "yes" ] ; then
7681   echo "CONFIG_BSD=y" >> $config_host_mak
7682 fi
7683
7684 if test "$localtime_r" = "yes" ; then
7685   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7686 fi
7687 if test "$qom_cast_debug" = "yes" ; then
7688   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7689 fi
7690 if test "$rbd" = "yes" ; then
7691   echo "CONFIG_RBD=m" >> $config_host_mak
7692   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
7693   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7694 fi
7695
7696 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7697 if test "$coroutine_pool" = "yes" ; then
7698   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7699 else
7700   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7701 fi
7702
7703 if test "$debug_stack_usage" = "yes" ; then
7704   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7705 fi
7706
7707 if test "$crypto_afalg" = "yes" ; then
7708   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7709 fi
7710
7711 if test "$open_by_handle_at" = "yes" ; then
7712   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7713 fi
7714
7715 if test "$linux_magic_h" = "yes" ; then
7716   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7717 fi
7718
7719 if test "$valgrind_h" = "yes" ; then
7720   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7721 fi
7722
7723 if test "$have_asan_iface_fiber" = "yes" ; then
7724     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7725 fi
7726
7727 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
7728     echo "CONFIG_TSAN=y" >> $config_host_mak
7729 fi
7730
7731 if test "$has_environ" = "yes" ; then
7732   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7733 fi
7734
7735 if test "$cpuid_h" = "yes" ; then
7736   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7737 fi
7738
7739 if test "$int128" = "yes" ; then
7740   echo "CONFIG_INT128=y" >> $config_host_mak
7741 fi
7742
7743 if test "$atomic128" = "yes" ; then
7744   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7745 fi
7746
7747 if test "$cmpxchg128" = "yes" ; then
7748   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7749 fi
7750
7751 if test "$atomic64" = "yes" ; then
7752   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7753 fi
7754
7755 if test "$attralias" = "yes" ; then
7756   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7757 fi
7758
7759 if test "$getauxval" = "yes" ; then
7760   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7761 fi
7762
7763 if test "$glusterfs" = "yes" ; then
7764   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7765   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7766   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7767 fi
7768
7769 if test "$glusterfs_xlator_opt" = "yes" ; then
7770   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7771 fi
7772
7773 if test "$glusterfs_discard" = "yes" ; then
7774   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7775 fi
7776
7777 if test "$glusterfs_fallocate" = "yes" ; then
7778   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7779 fi
7780
7781 if test "$glusterfs_zerofill" = "yes" ; then
7782   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7783 fi
7784
7785 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7786   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7787 fi
7788
7789 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7790   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7791 fi
7792
7793 if test "$libssh" = "yes" ; then
7794   echo "CONFIG_LIBSSH=m" >> $config_host_mak
7795   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7796   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7797 fi
7798
7799 if test "$live_block_migration" = "yes" ; then
7800   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7801 fi
7802
7803 if test "$tpm" = "yes"; then
7804   echo 'CONFIG_TPM=y' >> $config_host_mak
7805 fi
7806
7807 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7808 if have_backend "nop"; then
7809   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7810 fi
7811 if have_backend "simple"; then
7812   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7813   # Set the appropriate trace file.
7814   trace_file="\"$trace_file-\" FMT_pid"
7815 fi
7816 if have_backend "log"; then
7817   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7818 fi
7819 if have_backend "ust"; then
7820   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7821 fi
7822 if have_backend "dtrace"; then
7823   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7824   if test "$trace_backend_stap" = "yes" ; then
7825     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7826   fi
7827 fi
7828 if have_backend "ftrace"; then
7829   if test "$linux" = "yes" ; then
7830     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7831   else
7832     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7833   fi
7834 fi
7835 if have_backend "syslog"; then
7836   if test "$posix_syslog" = "yes" ; then
7837     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7838   else
7839     feature_not_found "syslog(trace backend)" "syslog not available"
7840   fi
7841 fi
7842 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7843
7844 if test "$rdma" = "yes" ; then
7845   echo "CONFIG_RDMA=y" >> $config_host_mak
7846   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7847 fi
7848
7849 if test "$pvrdma" = "yes" ; then
7850   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7851 fi
7852
7853 if test "$have_rtnetlink" = "yes" ; then
7854   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7855 fi
7856
7857 if test "$libxml2" = "yes" ; then
7858   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7859   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7860   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7861 fi
7862
7863 if test "$replication" = "yes" ; then
7864   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7865 fi
7866
7867 if test "$have_af_vsock" = "yes" ; then
7868   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7869 fi
7870
7871 if test "$have_sysmacros" = "yes" ; then
7872   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7873 fi
7874
7875 if test "$have_static_assert" = "yes" ; then
7876   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7877 fi
7878
7879 if test "$have_utmpx" = "yes" ; then
7880   echo "HAVE_UTMPX=y" >> $config_host_mak
7881 fi
7882 if test "$have_getrandom" = "yes" ; then
7883   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7884 fi
7885 if test "$ivshmem" = "yes" ; then
7886   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7887 fi
7888 if test "$capstone" != "no" ; then
7889   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7890 fi
7891 if test "$debug_mutex" = "yes" ; then
7892   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7893 fi
7894
7895 # Hold two types of flag:
7896 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7897 #                                     a thread we have a handle to
7898 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7899 #                                     platform
7900 if test "$pthread_setname_np_w_tid" = "yes" ; then
7901   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7902   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7903 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7904   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7905   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7906 fi
7907
7908 if test "$libpmem" = "yes" ; then
7909   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7910 fi
7911
7912 if test "$libdaxctl" = "yes" ; then
7913   echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
7914 fi
7915
7916 if test "$bochs" = "yes" ; then
7917   echo "CONFIG_BOCHS=y" >> $config_host_mak
7918 fi
7919 if test "$cloop" = "yes" ; then
7920   echo "CONFIG_CLOOP=y" >> $config_host_mak
7921 fi
7922 if test "$dmg" = "yes" ; then
7923   echo "CONFIG_DMG=y" >> $config_host_mak
7924 fi
7925 if test "$qcow1" = "yes" ; then
7926   echo "CONFIG_QCOW1=y" >> $config_host_mak
7927 fi
7928 if test "$vdi" = "yes" ; then
7929   echo "CONFIG_VDI=y" >> $config_host_mak
7930 fi
7931 if test "$vvfat" = "yes" ; then
7932   echo "CONFIG_VVFAT=y" >> $config_host_mak
7933 fi
7934 if test "$qed" = "yes" ; then
7935   echo "CONFIG_QED=y" >> $config_host_mak
7936 fi
7937 if test "$parallels" = "yes" ; then
7938   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7939 fi
7940 if test "$sheepdog" = "yes" ; then
7941   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7942 fi
7943 if test "$pty_h" = "yes" ; then
7944   echo "HAVE_PTY_H=y" >> $config_host_mak
7945 fi
7946 if test "$have_mlockall" = "yes" ; then
7947   echo "HAVE_MLOCKALL=y" >> $config_host_mak
7948 fi
7949 if test "$fuzzing" = "yes" ; then
7950   if test "$have_fuzzer" = "yes"; then
7951     FUZZ_LDFLAGS=" -fsanitize=fuzzer"
7952     FUZZ_CFLAGS=" -fsanitize=fuzzer"
7953     QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
7954   else
7955     error_exit "Your compiler doesn't support -fsanitize=fuzzer"
7956     exit 1
7957   fi
7958 fi
7959
7960 if test "$plugins" = "yes" ; then
7961     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7962     LIBS="-ldl $LIBS"
7963     # Copy the export object list to the build dir
7964     if test "$ld_dynamic_list" = "yes" ; then
7965         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7966         ld_symbols=qemu-plugins-ld.symbols
7967         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7968     elif test "$ld_exported_symbols_list" = "yes" ; then
7969         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7970         ld64_symbols=qemu-plugins-ld64.symbols
7971         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7972         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7973             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7974     else
7975         error_exit \
7976             "If \$plugins=yes, either \$ld_dynamic_list or " \
7977             "\$ld_exported_symbols_list should have been set to 'yes'."
7978     fi
7979 fi
7980
7981 if test -n "$gdb_bin" ; then
7982     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7983 fi
7984
7985 if test "$secret_keyring" = "yes" ; then
7986   echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7987   if test "$have_keyutils" = "yes" ; then
7988     echo "CONFIG_TEST_SECRET_KEYRING=y" >> $config_host_mak
7989   fi
7990 fi
7991
7992 if test "$tcg_interpreter" = "yes"; then
7993   QEMU_INCLUDES="-iquote ${source_path}/tcg/tci $QEMU_INCLUDES"
7994 elif test "$ARCH" = "sparc64" ; then
7995   QEMU_INCLUDES="-iquote ${source_path}/tcg/sparc $QEMU_INCLUDES"
7996 elif test "$ARCH" = "s390x" ; then
7997   QEMU_INCLUDES="-iquote ${source_path}/tcg/s390 $QEMU_INCLUDES"
7998 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7999   QEMU_INCLUDES="-iquote ${source_path}/tcg/i386 $QEMU_INCLUDES"
8000 elif test "$ARCH" = "ppc64" ; then
8001   QEMU_INCLUDES="-iquote ${source_path}/tcg/ppc $QEMU_INCLUDES"
8002 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
8003   QEMU_INCLUDES="-I${source_path}/tcg/riscv $QEMU_INCLUDES"
8004 else
8005   QEMU_INCLUDES="-iquote ${source_path}/tcg/${ARCH} $QEMU_INCLUDES"
8006 fi
8007
8008 echo "HELPERS=$helpers" >> $config_host_mak
8009 echo "TOOLS=$tools" >> $config_host_mak
8010 echo "ROMS=$roms" >> $config_host_mak
8011 echo "MAKE=$make" >> $config_host_mak
8012 echo "INSTALL=$install" >> $config_host_mak
8013 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
8014 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
8015 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
8016 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
8017 echo "PYTHON=$python" >> $config_host_mak
8018 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
8019 echo "SPHINX_WERROR=$sphinx_werror" >> $config_host_mak
8020 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
8021 echo "MESON=$meson" >> $config_host_mak
8022 echo "CC=$cc" >> $config_host_mak
8023 if $iasl -h > /dev/null 2>&1; then
8024   echo "IASL=$iasl" >> $config_host_mak
8025 fi
8026 echo "HOST_CC=$host_cc" >> $config_host_mak
8027 echo "CXX=$cxx" >> $config_host_mak
8028 echo "OBJCC=$objcc" >> $config_host_mak
8029 echo "AR=$ar" >> $config_host_mak
8030 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
8031 echo "AS=$as" >> $config_host_mak
8032 echo "CCAS=$ccas" >> $config_host_mak
8033 echo "CPP=$cpp" >> $config_host_mak
8034 echo "OBJCOPY=$objcopy" >> $config_host_mak
8035 echo "LD=$ld" >> $config_host_mak
8036 echo "RANLIB=$ranlib" >> $config_host_mak
8037 echo "NM=$nm" >> $config_host_mak
8038 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
8039 echo "WINDRES=$windres" >> $config_host_mak
8040 echo "CFLAGS=$CFLAGS" >> $config_host_mak
8041 echo "CXXFLAGS=$CXXFLAGS" >> $config_host_mak
8042 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
8043 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
8044 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
8045 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
8046 if test "$sparse" = "yes" ; then
8047   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
8048   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
8049   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
8050   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
8051   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
8052 fi
8053 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
8054 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
8055 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
8056 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
8057 echo "LIBS+=$LIBS" >> $config_host_mak
8058 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
8059 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
8060 echo "EXESUF=$EXESUF" >> $config_host_mak
8061 echo "DSOSUF=$DSOSUF" >> $config_host_mak
8062 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
8063 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
8064 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
8065 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
8066 echo "POD2MAN=$POD2MAN" >> $config_host_mak
8067 if test "$gcov" = "yes" ; then
8068   echo "CONFIG_GCOV=y" >> $config_host_mak
8069   echo "GCOV=$gcov_tool" >> $config_host_mak
8070 fi
8071
8072 if test "$libudev" != "no"; then
8073     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
8074     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
8075 fi
8076 if test "$fuzzing" != "no"; then
8077     echo "CONFIG_FUZZ=y" >> $config_host_mak
8078     echo "FUZZ_CFLAGS=$FUZZ_CFLAGS" >> $config_host_mak
8079     echo "FUZZ_LDFLAGS=$FUZZ_LDFLAGS" >> $config_host_mak
8080 fi
8081
8082 if test "$edk2_blobs" = "yes" ; then
8083   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
8084 fi
8085
8086 if test "$rng_none" = "yes"; then
8087   echo "CONFIG_RNG_NONE=y" >> $config_host_mak
8088 fi
8089
8090 # use included Linux headers
8091 if test "$linux" = "yes" ; then
8092   mkdir -p linux-headers
8093   case "$cpu" in
8094   i386|x86_64|x32)
8095     linux_arch=x86
8096     ;;
8097   ppc|ppc64|ppc64le)
8098     linux_arch=powerpc
8099     ;;
8100   s390x)
8101     linux_arch=s390
8102     ;;
8103   aarch64)
8104     linux_arch=arm64
8105     ;;
8106   mips64)
8107     linux_arch=mips
8108     ;;
8109   *)
8110     # For most CPUs the kernel architecture name and QEMU CPU name match.
8111     linux_arch="$cpu"
8112     ;;
8113   esac
8114     # For non-KVM architectures we will not have asm headers
8115     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
8116       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
8117     fi
8118 fi
8119
8120 for target in $target_list; do
8121 target_dir="$target"
8122 config_target_mak=$target_dir/config-target.mak
8123 target_name=$(echo $target | cut -d '-' -f 1)
8124 target_aligned_only="no"
8125 case "$target_name" in
8126   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
8127   target_aligned_only="yes"
8128   ;;
8129 esac
8130 target_bigendian="no"
8131 case "$target_name" in
8132   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
8133   target_bigendian="yes"
8134   ;;
8135 esac
8136 target_softmmu="no"
8137 target_user_only="no"
8138 target_linux_user="no"
8139 target_bsd_user="no"
8140 case "$target" in
8141   ${target_name}-softmmu)
8142     target_softmmu="yes"
8143     ;;
8144   ${target_name}-linux-user)
8145     target_user_only="yes"
8146     target_linux_user="yes"
8147     ;;
8148   ${target_name}-bsd-user)
8149     target_user_only="yes"
8150     target_bsd_user="yes"
8151     ;;
8152   *)
8153     error_exit "Target '$target' not recognised"
8154     exit 1
8155     ;;
8156 esac
8157
8158 mkdir -p $target_dir
8159 echo "# Automatically generated by configure - do not modify" > $config_target_mak
8160
8161 bflt="no"
8162 mttcg="no"
8163 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
8164 gdb_xml_files=""
8165
8166 TARGET_ARCH="$target_name"
8167 TARGET_BASE_ARCH=""
8168 TARGET_ABI_DIR=""
8169
8170 case "$target_name" in
8171   i386)
8172     mttcg="yes"
8173         gdb_xml_files="i386-32bit.xml"
8174     TARGET_SYSTBL_ABI=i386
8175   ;;
8176   x86_64)
8177     TARGET_BASE_ARCH=i386
8178     TARGET_SYSTBL_ABI=common,64
8179     mttcg="yes"
8180         gdb_xml_files="i386-64bit.xml"
8181   ;;
8182   alpha)
8183     mttcg="yes"
8184     TARGET_SYSTBL_ABI=common
8185   ;;
8186   arm|armeb)
8187     TARGET_ARCH=arm
8188     TARGET_SYSTBL_ABI=common,oabi
8189     bflt="yes"
8190     mttcg="yes"
8191     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
8192   ;;
8193   aarch64|aarch64_be)
8194     TARGET_ARCH=aarch64
8195     TARGET_BASE_ARCH=arm
8196     bflt="yes"
8197     mttcg="yes"
8198     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
8199   ;;
8200   avr)
8201     gdb_xml_files="avr-cpu.xml"
8202     target_compiler=$cross_cc_avr
8203   ;;
8204   cris)
8205   ;;
8206   hppa)
8207     mttcg="yes"
8208     TARGET_SYSTBL_ABI=common,32
8209   ;;
8210   lm32)
8211   ;;
8212   m68k)
8213     bflt="yes"
8214     gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
8215     TARGET_SYSTBL_ABI=common
8216   ;;
8217   microblaze|microblazeel)
8218     TARGET_ARCH=microblaze
8219     TARGET_SYSTBL_ABI=common
8220     bflt="yes"
8221     echo "TARGET_ABI32=y" >> $config_target_mak
8222   ;;
8223   mips|mipsel)
8224     mttcg="yes"
8225     TARGET_ARCH=mips
8226     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
8227     TARGET_SYSTBL_ABI=o32
8228   ;;
8229   mipsn32|mipsn32el)
8230     mttcg="yes"
8231     TARGET_ARCH=mips64
8232     TARGET_BASE_ARCH=mips
8233     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
8234     echo "TARGET_ABI32=y" >> $config_target_mak
8235     TARGET_SYSTBL_ABI=n32
8236   ;;
8237   mips64|mips64el)
8238     mttcg="no"
8239     TARGET_ARCH=mips64
8240     TARGET_BASE_ARCH=mips
8241     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
8242     TARGET_SYSTBL_ABI=n64
8243   ;;
8244   moxie)
8245   ;;
8246   nios2)
8247   ;;
8248   or1k)
8249     TARGET_ARCH=openrisc
8250     TARGET_BASE_ARCH=openrisc
8251   ;;
8252   ppc)
8253     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
8254     TARGET_SYSTBL_ABI=common,nospu,32
8255   ;;
8256   ppc64)
8257     TARGET_BASE_ARCH=ppc
8258     TARGET_ABI_DIR=ppc
8259     TARGET_SYSTBL_ABI=common,nospu,64
8260     mttcg=yes
8261     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8262   ;;
8263   ppc64le)
8264     TARGET_ARCH=ppc64
8265     TARGET_BASE_ARCH=ppc
8266     TARGET_ABI_DIR=ppc
8267     TARGET_SYSTBL_ABI=common,nospu,64
8268     mttcg=yes
8269     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8270   ;;
8271   ppc64abi32)
8272     TARGET_ARCH=ppc64
8273     TARGET_BASE_ARCH=ppc
8274     TARGET_ABI_DIR=ppc
8275     TARGET_SYSTBL_ABI=common,nospu,32
8276     echo "TARGET_ABI32=y" >> $config_target_mak
8277     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8278   ;;
8279   riscv32)
8280     TARGET_BASE_ARCH=riscv
8281     TARGET_ABI_DIR=riscv
8282     mttcg=yes
8283     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
8284   ;;
8285   riscv64)
8286     TARGET_BASE_ARCH=riscv
8287     TARGET_ABI_DIR=riscv
8288     mttcg=yes
8289     gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
8290   ;;
8291   rx)
8292     TARGET_ARCH=rx
8293     bflt="yes"
8294     target_compiler=$cross_cc_rx
8295     gdb_xml_files="rx-core.xml"
8296   ;;
8297   sh4|sh4eb)
8298     TARGET_ARCH=sh4
8299     TARGET_SYSTBL_ABI=common
8300     bflt="yes"
8301   ;;
8302   sparc)
8303     TARGET_SYSTBL_ABI=common,32
8304   ;;
8305   sparc64)
8306     TARGET_BASE_ARCH=sparc
8307     TARGET_SYSTBL_ABI=common,64
8308   ;;
8309   sparc32plus)
8310     TARGET_ARCH=sparc64
8311     TARGET_BASE_ARCH=sparc
8312     TARGET_ABI_DIR=sparc
8313     TARGET_SYSTBL_ABI=common,32
8314     echo "TARGET_ABI32=y" >> $config_target_mak
8315   ;;
8316   s390x)
8317     TARGET_SYSTBL_ABI=common,64
8318     mttcg=yes
8319     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
8320   ;;
8321   tilegx)
8322   ;;
8323   tricore)
8324   ;;
8325   unicore32)
8326   ;;
8327   xtensa|xtensaeb)
8328     TARGET_ARCH=xtensa
8329     TARGET_SYSTBL_ABI=common
8330     bflt="yes"
8331     mttcg="yes"
8332   ;;
8333   *)
8334     error_exit "Unsupported target CPU"
8335   ;;
8336 esac
8337 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
8338 if [ "$TARGET_BASE_ARCH" = "" ]; then
8339   TARGET_BASE_ARCH=$TARGET_ARCH
8340 fi
8341
8342 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
8343
8344 upper() {
8345     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
8346 }
8347
8348 target_arch_name="$(upper $TARGET_ARCH)"
8349 echo "TARGET_$target_arch_name=y" >> $config_target_mak
8350 echo "TARGET_NAME=$target_name" >> $config_target_mak
8351 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
8352 if [ "$TARGET_ABI_DIR" = "" ]; then
8353   TARGET_ABI_DIR=$TARGET_ARCH
8354 fi
8355 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
8356 if [ "$HOST_VARIANT_DIR" != "" ]; then
8357     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
8358 fi
8359 if [ "$TARGET_SYSTBL_ABI" != "" ]; then
8360     echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
8361 fi
8362
8363 if supported_xen_target $target; then
8364     echo "CONFIG_XEN=y" >> $config_target_mak
8365     echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
8366     if test "$xen_pci_passthrough" = yes; then
8367         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
8368     fi
8369 else
8370     echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
8371 fi
8372 if supported_kvm_target $target; then
8373     echo "CONFIG_KVM=y" >> $config_target_mak
8374     echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
8375 else
8376     echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
8377 fi
8378 if supported_hax_target $target; then
8379     echo "CONFIG_HAX=y" >> $config_target_mak
8380 fi
8381 if supported_hvf_target $target; then
8382     echo "CONFIG_HVF=y" >> $config_target_mak
8383 fi
8384 if supported_whpx_target $target; then
8385     echo "CONFIG_WHPX=y" >> $config_target_mak
8386 fi
8387 if test "$target_aligned_only" = "yes" ; then
8388   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
8389 fi
8390 if test "$target_bigendian" = "yes" ; then
8391   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
8392 fi
8393 if test "$target_softmmu" = "yes" ; then
8394   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
8395   if test "$mttcg" = "yes" ; then
8396     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
8397   fi
8398 fi
8399 if test "$target_user_only" = "yes" ; then
8400   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
8401   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
8402 fi
8403 if test "$target_linux_user" = "yes" ; then
8404   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
8405 fi
8406 list=""
8407 if test ! -z "$gdb_xml_files" ; then
8408   for x in $gdb_xml_files; do
8409     list="$list $source_path/gdb-xml/$x"
8410   done
8411   echo "TARGET_XML_FILES=$list" >> $config_target_mak
8412 fi
8413
8414 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
8415   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
8416 fi
8417 if test "$target_bsd_user" = "yes" ; then
8418   echo "CONFIG_BSD_USER=y" >> $config_target_mak
8419 fi
8420
8421
8422 # generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
8423
8424 cflags=""
8425 ldflags=""
8426
8427 disas_config() {
8428   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
8429   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
8430 }
8431
8432 for i in $ARCH $TARGET_BASE_ARCH ; do
8433   case "$i" in
8434   alpha)
8435     disas_config "ALPHA"
8436   ;;
8437   aarch64)
8438     if test -n "${cxx}"; then
8439       disas_config "ARM_A64"
8440     fi
8441   ;;
8442   arm)
8443     disas_config "ARM"
8444     if test -n "${cxx}"; then
8445       disas_config "ARM_A64"
8446     fi
8447   ;;
8448   avr)
8449     disas_config "AVR"
8450   ;;
8451   cris)
8452     disas_config "CRIS"
8453   ;;
8454   hppa)
8455     disas_config "HPPA"
8456   ;;
8457   i386|x86_64|x32)
8458     disas_config "I386"
8459   ;;
8460   lm32)
8461     disas_config "LM32"
8462   ;;
8463   m68k)
8464     disas_config "M68K"
8465   ;;
8466   microblaze*)
8467     disas_config "MICROBLAZE"
8468   ;;
8469   mips*)
8470     disas_config "MIPS"
8471     if test -n "${cxx}"; then
8472       disas_config "NANOMIPS"
8473     fi
8474   ;;
8475   moxie*)
8476     disas_config "MOXIE"
8477   ;;
8478   nios2)
8479     disas_config "NIOS2"
8480   ;;
8481   or1k)
8482     disas_config "OPENRISC"
8483   ;;
8484   ppc*)
8485     disas_config "PPC"
8486   ;;
8487   riscv*)
8488     disas_config "RISCV"
8489   ;;
8490   rx)
8491     disas_config "RX"
8492   ;;
8493   s390*)
8494     disas_config "S390"
8495   ;;
8496   sh4)
8497     disas_config "SH4"
8498   ;;
8499   sparc*)
8500     disas_config "SPARC"
8501   ;;
8502   xtensa*)
8503     disas_config "XTENSA"
8504   ;;
8505   esac
8506 done
8507 if test "$tcg_interpreter" = "yes" ; then
8508   disas_config "TCI"
8509 fi
8510
8511 # Newer kernels on s390 check for an S390_PGSTE program header and
8512 # enable the pgste page table extensions in that case. This makes
8513 # the vm.allocate_pgste sysctl unnecessary. We enable this program
8514 # header if
8515 #  - we build on s390x
8516 #  - we build the system emulation for s390x (qemu-system-s390x)
8517 #  - KVM is enabled
8518 #  - the linker supports --s390-pgste
8519 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
8520         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
8521     if ld_has --s390-pgste ; then
8522         ldflags="-Wl,--s390-pgste $ldflags"
8523     fi
8524 fi
8525
8526 echo "QEMU_LDFLAGS+=$ldflags" >> $config_target_mak
8527 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
8528
8529 done # for target in $targets
8530
8531 echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
8532 echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
8533
8534 if [ "$fdt" = "git" ]; then
8535   echo "config-host.h: dtc/all" >> $config_host_mak
8536 fi
8537 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8538   echo "config-host.h: capstone/all" >> $config_host_mak
8539 fi
8540 if test -n "$LIBCAPSTONE"; then
8541   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8542 fi
8543
8544 if test "$numa" = "yes"; then
8545   echo "CONFIG_NUMA=y" >> $config_host_mak
8546 fi
8547
8548 if test "$ccache_cpp2" = "yes"; then
8549   echo "export CCACHE_CPP2=y" >> $config_host_mak
8550 fi
8551
8552 if test "$safe_stack" = "yes"; then
8553   echo "CONFIG_SAFESTACK=y" >> $config_host_mak
8554 fi
8555
8556 # If we're using a separate build tree, set it up now.
8557 # DIRS are directories which we simply mkdir in the build tree;
8558 # LINKS are things to symlink back into the source tree
8559 # (these can be both files and directories).
8560 # Caution: do not add files or directories here using wildcards. This
8561 # will result in problems later if a new file matching the wildcard is
8562 # added to the source tree -- nothing will cause configure to be rerun
8563 # so the build tree will be missing the link back to the new file, and
8564 # tests might fail. Prefer to keep the relevant files in their own
8565 # directory and symlink the directory instead.
8566 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8567 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8568 DIRS="$DIRS docs docs/interop fsdev scsi"
8569 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8570 DIRS="$DIRS roms/seabios"
8571 LINKS="Makefile"
8572 LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
8573 LINKS="$LINKS tests/tcg/Makefile.target tests/fp/Makefile"
8574 LINKS="$LINKS tests/plugin/Makefile"
8575 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
8576 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8577 LINKS="$LINKS roms/seabios/Makefile"
8578 LINKS="$LINKS pc-bios/qemu-icon.bmp"
8579 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8580 LINKS="$LINKS tests/acceptance tests/data"
8581 LINKS="$LINKS tests/qemu-iotests/check"
8582 LINKS="$LINKS python"
8583 for bios_file in \
8584     $source_path/pc-bios/*.bin \
8585     $source_path/pc-bios/*.lid \
8586     $source_path/pc-bios/*.rom \
8587     $source_path/pc-bios/*.dtb \
8588     $source_path/pc-bios/*.img \
8589     $source_path/pc-bios/openbios-* \
8590     $source_path/pc-bios/u-boot.* \
8591     $source_path/pc-bios/edk2-*.fd.bz2 \
8592     $source_path/pc-bios/palcode-*
8593 do
8594     LINKS="$LINKS pc-bios/$(basename $bios_file)"
8595 done
8596 mkdir -p $DIRS
8597 for f in $LINKS ; do
8598     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8599         symlink "$source_path/$f" "$f"
8600     fi
8601 done
8602
8603 (for i in $cross_cc_vars; do
8604   export $i
8605 done
8606 export target_list source_path use_containers
8607 $source_path/tests/tcg/configure.sh)
8608
8609 # temporary config to build submodules
8610 for rom in seabios; do
8611     config_mak=roms/$rom/config.mak
8612     echo "# Automatically generated by configure - do not modify" > $config_mak
8613     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8614     echo "AS=$as" >> $config_mak
8615     echo "CCAS=$ccas" >> $config_mak
8616     echo "CC=$cc" >> $config_mak
8617     echo "BCC=bcc" >> $config_mak
8618     echo "CPP=$cpp" >> $config_mak
8619     echo "OBJCOPY=objcopy" >> $config_mak
8620     echo "IASL=$iasl" >> $config_mak
8621     echo "LD=$ld" >> $config_mak
8622     echo "RANLIB=$ranlib" >> $config_mak
8623 done
8624
8625 # set up qemu-iotests in this build directory
8626 iotests_common_env="tests/qemu-iotests/common.env"
8627
8628 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8629 echo >> "$iotests_common_env"
8630 echo "export PYTHON='$python'" >> "$iotests_common_env"
8631
8632 if test "$skip_meson" = no; then
8633 rm -rf meson-private meson-info meson-logs
8634 NINJA=$PWD/ninjatool $meson setup \
8635         --prefix "$prefix" \
8636         --libdir "$libdir" \
8637         --libexecdir "$libexecdir" \
8638         --bindir "$bindir" \
8639         --includedir "$includedir" \
8640         --datadir "$datadir" \
8641         --mandir "$mandir" \
8642         --sysconfdir "$sysconfdir" \
8643         --localstatedir "$local_statedir" \
8644         -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
8645         -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
8646         -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
8647         -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
8648         "$PWD" "$source_path"
8649
8650 if test "$?" -ne 0 ; then
8651     error_exit "meson setup failed"
8652 fi
8653 touch ninjatool.stamp
8654 fi
8655
8656 # Save the configure command line for later reuse.
8657 cat <<EOD >config.status
8658 #!/bin/sh
8659 # Generated by configure.
8660 # Run this file to recreate the current configuration.
8661 # Compiler output produced by configure, useful for debugging
8662 # configure, is in config.log if it exists.
8663 EOD
8664
8665 preserve_env() {
8666     envname=$1
8667
8668     eval envval=\$$envname
8669
8670     if test -n "$envval"
8671     then
8672         echo "$envname='$envval'" >> config.status
8673         echo "export $envname" >> config.status
8674     else
8675         echo "unset $envname" >> config.status
8676     fi
8677 }
8678
8679 # Preserve various env variables that influence what
8680 # features/build target configure will detect
8681 preserve_env AR
8682 preserve_env AS
8683 preserve_env CC
8684 preserve_env CPP
8685 preserve_env CXX
8686 preserve_env INSTALL
8687 preserve_env LD
8688 preserve_env LD_LIBRARY_PATH
8689 preserve_env LIBTOOL
8690 preserve_env MAKE
8691 preserve_env NM
8692 preserve_env OBJCOPY
8693 preserve_env PATH
8694 preserve_env PKG_CONFIG
8695 preserve_env PKG_CONFIG_LIBDIR
8696 preserve_env PKG_CONFIG_PATH
8697 preserve_env PYTHON
8698 preserve_env SDL2_CONFIG
8699 preserve_env SMBD
8700 preserve_env STRIP
8701 preserve_env WINDRES
8702
8703 printf "exec" >>config.status
8704 for i in "$0" "$@"; do
8705   test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
8706 done
8707 echo ' "$@"' >>config.status
8708 chmod +x config.status
8709
8710 rm -r "$TMPDIR1"