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 version_ge () {
 227     local_ver1=`echo $1 | tr . ' '`
 228     local_ver2=`echo $2 | tr . ' '`
 229     while true; do
 230         set x $local_ver1
 231         local_first=${2-0}
 232         # shift 2 does nothing if there are less than 2 arguments
 233         shift; shift
 234         local_ver1=$*
 235         set x $local_ver2
 236         # the second argument finished, the first must be greater or equal
 237         test $# = 1 && return 0
 238         test $local_first -lt $2 && return 1
 239         test $local_first -gt $2 && return 0
 240         shift; shift
 241         local_ver2=$*
 242     done
 243 }
 244
 245 have_backend () {
 246     echo "$trace_backends" | grep "$1" >/dev/null
 247 }
 248
 249 glob() {
 250     eval test -z '"${1#'"$2"'}"'
 251 }
 252
 253 supported_hax_target() {
 254     test "$hax" = "yes" || return 1
 255     glob "$1" "*-softmmu" || return 1
 256     case "${1%-softmmu}" in
 257         i386|x86_64)
 258             return 0
 259         ;;
 260     esac
 261     return 1
 262 }
 263
 264 supported_kvm_target() {
 265     test "$kvm" = "yes" || return 1
 266     glob "$1" "*-softmmu" || return 1
 267     case "${1%-softmmu}:$cpu" in
 268         arm:arm | aarch64:aarch64 | \
 269         i386:i386 | i386:x86_64 | i386:x32 | \
 270         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 271         mips:mips | mipsel:mips | mips64:mips | mips64el:mips | \
 272         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
 273         s390x:s390x)
 274             return 0
 275         ;;
 276     esac
 277     return 1
 278 }
 279
 280 supported_xen_target() {
 281     test "$xen" = "yes" || return 1
 282     glob "$1" "*-softmmu" || return 1
 283     # Only i386 and x86_64 provide the xenpv machine.
 284     case "${1%-softmmu}" in
 285         i386|x86_64)
 286             return 0
 287         ;;
 288     esac
 289     return 1
 290 }
 291
 292 supported_hvf_target() {
 293     test "$hvf" = "yes" || return 1
 294     glob "$1" "*-softmmu" || return 1
 295     case "${1%-softmmu}" in
 296         x86_64)
 297             return 0
 298         ;;
 299     esac
 300     return 1
 301 }
 302
 303 supported_whpx_target() {
 304     test "$whpx" = "yes" || return 1
 305     glob "$1" "*-softmmu" || return 1
 306     case "${1%-softmmu}" in
 307         i386|x86_64)
 308             return 0
 309         ;;
 310     esac
 311     return 1
 312 }
 313
 314 supported_target() {
 315     case "$1" in
 316         *-softmmu)
 317             ;;
 318         *-linux-user)
 319             if test "$linux" != "yes"; then
 320                 print_error "Target '$target' is only available on a Linux host"
 321                 return 1
 322             fi
 323             ;;
 324         *-bsd-user)
 325             if test "$bsd" != "yes"; then
 326                 print_error "Target '$target' is only available on a BSD host"
 327                 return 1
 328             fi
 329             ;;
 330         *)
 331             print_error "Invalid target name '$target'"
 332             return 1
 333             ;;
 334     esac
 335     test "$tcg" = "yes" && return 0
 336     supported_kvm_target "$1" && return 0
 337     supported_xen_target "$1" && return 0
 338     supported_hax_target "$1" && return 0
 339     supported_hvf_target "$1" && return 0
 340     supported_whpx_target "$1" && return 0
 341     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 342     return 1
 343 }
 344
 345
 346 ld_has() {
 347     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 348 }
 349
 350 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 351 then
 352   error_exit "main directory cannot contain spaces nor colons"
 353 fi
 354
 355 # default parameters
 356 cpu=""
 357 iasl="iasl"
 358 interp_prefix="/usr/gnemul/qemu-%M"
 359 static="no"
 360 cross_prefix=""
 361 audio_drv_list=""
 362 block_drv_rw_whitelist=""
 363 block_drv_ro_whitelist=""
 364 host_cc="cc"
 365 libs_cpu=""
 366 libs_softmmu=""
 367 libs_tools=""
 368 audio_win_int=""
 369 libs_qga=""
 370 debug_info="yes"
 371 stack_protector=""
 372 safe_stack=""
 373 use_containers="yes"
 374 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 375
 376 if test -e "$source_path/.git"
 377 then
 378     git_update=yes
 379     git_submodules="ui/keycodemapdb"
 380     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 381     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 382 else
 383     git_update=no
 384     git_submodules=""
 385
 386     if ! test -f "$source_path/ui/keycodemapdb/README"
 387     then
 388         echo
 389         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 390         echo
 391         echo "This is not a GIT checkout but module content appears to"
 392         echo "be missing. Do not use 'git archive' or GitHub download links"
 393         echo "to acquire QEMU source archives. Non-GIT builds are only"
 394         echo "supported with source archives linked from:"
 395         echo
 396         echo "  https://www.qemu.org/download/#source"
 397         echo
 398         echo "Developers working with GIT can use scripts/archive-source.sh"
 399         echo "if they need to create valid source archives."
 400         echo
 401         exit 1
 402     fi
 403 fi
 404 git="git"
 405
 406 # Don't accept a target_list environment variable.
 407 unset target_list
 408 unset target_list_exclude
 409
 410 # Default value for a variable defining feature "foo".
 411 #  * foo="no"  feature will only be used if --enable-foo arg is given
 412 #  * foo=""    feature will be searched for, and if found, will be used
 413 #              unless --disable-foo is given
 414 #  * foo="yes" this value will only be set by --enable-foo flag.
 415 #              feature will searched for,
 416 #              if not found, configure exits with error
 417 #
 418 # Always add --enable-foo and --disable-foo command line args.
 419 # Distributions want to ensure that several features are compiled in, and it
 420 # is impossible without a --enable-foo that exits if a feature is not found.
 421
 422 brlapi=""
 423 curl=""
 424 curses=""
 425 docs=""
 426 fdt=""
 427 netmap="no"
 428 sdl=""
 429 sdl_image=""
 430 virtfs=""
 431 mpath=""
 432 vnc="yes"
 433 sparse="no"
 434 vde=""
 435 vnc_sasl=""
 436 vnc_jpeg=""
 437 vnc_png=""
 438 xkbcommon=""
 439 xen=""
 440 xen_ctrl_version=""
 441 xen_pci_passthrough=""
 442 linux_aio=""
 443 linux_io_uring=""
 444 cap_ng=""
 445 attr=""
 446 libattr=""
 447 xfs=""
 448 tcg="yes"
 449 membarrier=""
 450 vhost_net=""
 451 vhost_crypto=""
 452 vhost_scsi=""
 453 vhost_vsock=""
 454 vhost_user=""
 455 vhost_user_fs=""
 456 kvm="no"
 457 hax="no"
 458 hvf="no"
 459 whpx="no"
 460 rdma=""
 461 pvrdma=""
 462 gprof="no"
 463 debug_tcg="no"
 464 debug="no"
 465 sanitizers="no"
 466 tsan="no"
 467 fortify_source=""
 468 strip_opt="yes"
 469 tcg_interpreter="no"
 470 bigendian="no"
 471 mingw32="no"
 472 gcov="no"
 473 EXESUF=""
 474 DSOSUF=".so"
 475 LDFLAGS_SHARED="-shared"
 476 modules="no"
 477 module_upgrades="no"
 478 prefix="/usr/local"
 479 firmwarepath="\${prefix}/share/qemu-firmware"
 480 confsuffix="/qemu"
 481 slirp=""
 482 oss_lib=""
 483 bsd="no"
 484 linux="no"
 485 solaris="no"
 486 profiler="no"
 487 cocoa="no"
 488 softmmu="yes"
 489 linux_user="no"
 490 bsd_user="no"
 491 blobs="yes"
 492 edk2_blobs="no"
 493 pkgversion=""
 494 pie=""
 495 qom_cast_debug="yes"
 496 trace_backends="log"
 497 trace_file="trace"
 498 spice=""
 499 rbd=""
 500 smartcard=""
 501 libusb=""
 502 usb_redir=""
 503 opengl=""
 504 opengl_dmabuf="no"
 505 cpuid_h="no"
 506 avx2_opt=""
 507 zlib="yes"
 508 capstone=""
 509 lzo=""
 510 snappy=""
 511 bzip2=""
 512 lzfse=""
 513 zstd=""
 514 guest_agent=""
 515 guest_agent_with_vss="no"
 516 guest_agent_ntddscsi="no"
 517 guest_agent_msi=""
 518 vss_win32_sdk=""
 519 win_sdk="no"
 520 want_tools=""
 521 libiscsi=""
 522 libnfs=""
 523 coroutine=""
 524 coroutine_pool=""
 525 debug_stack_usage="no"
 526 crypto_afalg="no"
 527 seccomp=""
 528 glusterfs=""
 529 glusterfs_xlator_opt="no"
 530 glusterfs_discard="no"
 531 glusterfs_fallocate="no"
 532 glusterfs_zerofill="no"
 533 glusterfs_ftruncate_has_stat="no"
 534 glusterfs_iocb_has_stat="no"
 535 gtk=""
 536 gtk_gl="no"
 537 tls_priority="NORMAL"
 538 gnutls=""
 539 nettle=""
 540 nettle_xts="no"
 541 gcrypt=""
 542 gcrypt_hmac="no"
 543 gcrypt_xts="no"
 544 qemu_private_xts="yes"
 545 auth_pam=""
 546 vte=""
 547 virglrenderer=""
 548 tpm=""
 549 libssh=""
 550 live_block_migration="yes"
 551 numa=""
 552 tcmalloc="no"
 553 jemalloc="no"
 554 replication="yes"
 555 bochs="yes"
 556 cloop="yes"
 557 dmg="yes"
 558 qcow1="yes"
 559 vdi="yes"
 560 vvfat="yes"
 561 qed="yes"
 562 parallels="yes"
 563 sheepdog="yes"
 564 libxml2=""
 565 debug_mutex="no"
 566 libpmem=""
 567 default_devices="yes"
 568 plugins="no"
 569 fuzzing="no"
 570 rng_none="no"
 571 secret_keyring=""
 572 libdaxctl=""
 573 meson=""
 574 skip_meson=no
 575
 576 bogus_os="no"
 577 malloc_trim=""
 578
 579 # parse CC options first
 580 for opt do
 581   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 582   case "$opt" in
 583   --cross-prefix=*) cross_prefix="$optarg"
 584   ;;
 585   --cc=*) CC="$optarg"
 586   ;;
 587   --cxx=*) CXX="$optarg"
 588   ;;
 589   --cpu=*) cpu="$optarg"
 590   ;;
 591   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 592                     QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 593   ;;
 594   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 595   ;;
 596   --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 597                      EXTRA_LDFLAGS="$optarg"
 598   ;;
 599   --enable-debug-info) debug_info="yes"
 600   ;;
 601   --disable-debug-info) debug_info="no"
 602   ;;
 603   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 604   ;;
 605   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 606                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 607                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 608   ;;
 609   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 610                 cc_archs="$cc_archs $cc_arch"
 611                 eval "cross_cc_${cc_arch}=\$optarg"
 612                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 613   ;;
 614   esac
 615 done
 616 # OS specific
 617 # Using uname is really, really broken.  Once we have the right set of checks
 618 # we can eliminate its usage altogether.
 619
 620 # Preferred compiler:
 621 #  ${CC} (if set)
 622 #  ${cross_prefix}gcc (if cross-prefix specified)
 623 #  system compiler
 624 if test -z "${CC}${cross_prefix}"; then
 625   cc="$host_cc"
 626 else
 627   cc="${CC-${cross_prefix}gcc}"
 628 fi
 629
 630 if test -z "${CXX}${cross_prefix}"; then
 631   cxx="c++"
 632 else
 633   cxx="${CXX-${cross_prefix}g++}"
 634 fi
 635
 636 ar="${AR-${cross_prefix}ar}"
 637 as="${AS-${cross_prefix}as}"
 638 ccas="${CCAS-$cc}"
 639 cpp="${CPP-$cc -E}"
 640 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 641 ld="${LD-${cross_prefix}ld}"
 642 ranlib="${RANLIB-${cross_prefix}ranlib}"
 643 nm="${NM-${cross_prefix}nm}"
 644 strip="${STRIP-${cross_prefix}strip}"
 645 windres="${WINDRES-${cross_prefix}windres}"
 646 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 647 query_pkg_config() {
 648     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 649 }
 650 pkg_config=query_pkg_config
 651 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 652
 653 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 654 ARFLAGS="${ARFLAGS-rv}"
 655
 656 # default flags for all hosts
 657 # We use -fwrapv to tell the compiler that we require a C dialect where
 658 # left shift of signed integers is well defined and has the expected
 659 # 2s-complement style results. (Both clang and gcc agree that it
 660 # provides these semantics.)
 661 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 662 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 663 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 664 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 665 QEMU_INCLUDES="-iquote . -iquote ${source_path} -iquote ${source_path}/accel/tcg -iquote ${source_path}/include"
 666 QEMU_INCLUDES="$QEMU_INCLUDES -iquote ${source_path}/disas/libvixl"
 667 CFLAGS="-std=gnu99 -Wall"
 668
 669
 670 # running configure in the source tree?
 671 # we know that's the case if configure is there.
 672 if test -f "./configure"; then
 673     pwd_is_source_path="y"
 674 else
 675     pwd_is_source_path="n"
 676 fi
 677
 678 check_define() {
 679 cat > $TMPC <<EOF
 680 #if !defined($1)
 681 #error $1 not defined
 682 #endif
 683 int main(void) { return 0; }
 684 EOF
 685   compile_object
 686 }
 687
 688 check_include() {
 689 cat > $TMPC <<EOF
 690 #include <$1>
 691 int main(void) { return 0; }
 692 EOF
 693   compile_object
 694 }
 695
 696 write_c_skeleton() {
 697     cat > $TMPC <<EOF
 698 int main(void) { return 0; }
 699 EOF
 700 }
 701
 702 write_c_fuzzer_skeleton() {
 703     cat > $TMPC <<EOF
 704 #include <stdint.h>
 705 #include <sys/types.h>
 706 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 707 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 708 EOF
 709 }
 710
 711 if check_define __linux__ ; then
 712   targetos="Linux"
 713 elif check_define _WIN32 ; then
 714   targetos='MINGW32'
 715 elif check_define __OpenBSD__ ; then
 716   targetos='OpenBSD'
 717 elif check_define __sun__ ; then
 718   targetos='SunOS'
 719 elif check_define __HAIKU__ ; then
 720   targetos='Haiku'
 721 elif check_define __FreeBSD__ ; then
 722   targetos='FreeBSD'
 723 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 724   targetos='GNU/kFreeBSD'
 725 elif check_define __DragonFly__ ; then
 726   targetos='DragonFly'
 727 elif check_define __NetBSD__; then
 728   targetos='NetBSD'
 729 elif check_define __APPLE__; then
 730   targetos='Darwin'
 731 else
 732   # This is a fatal error, but don't report it yet, because we
 733   # might be going to just print the --help text, or it might
 734   # be the result of a missing compiler.
 735   targetos='bogus'
 736   bogus_os='yes'
 737 fi
 738
 739 # Some host OSes need non-standard checks for which CPU to use.
 740 # Note that these checks are broken for cross-compilation: if you're
 741 # cross-compiling to one of these OSes then you'll need to specify
 742 # the correct CPU with the --cpu option.
 743 case $targetos in
 744 Darwin)
 745   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 746   # run 64-bit userspace code.
 747   # If the user didn't specify a CPU explicitly and the kernel says this is
 748   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 749   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 750     cpu="x86_64"
 751   fi
 752   ;;
 753 SunOS)
 754   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 755   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 756     cpu="x86_64"
 757   fi
 758 esac
 759
 760 if test ! -z "$cpu" ; then
 761   # command line argument
 762   :
 763 elif check_define __i386__ ; then
 764   cpu="i386"
 765 elif check_define __x86_64__ ; then
 766   if check_define __ILP32__ ; then
 767     cpu="x32"
 768   else
 769     cpu="x86_64"
 770   fi
 771 elif check_define __sparc__ ; then
 772   if check_define __arch64__ ; then
 773     cpu="sparc64"
 774   else
 775     cpu="sparc"
 776   fi
 777 elif check_define _ARCH_PPC ; then
 778   if check_define _ARCH_PPC64 ; then
 779     if check_define _LITTLE_ENDIAN ; then
 780       cpu="ppc64le"
 781     else
 782       cpu="ppc64"
 783     fi
 784   else
 785     cpu="ppc"
 786   fi
 787 elif check_define __mips__ ; then
 788   cpu="mips"
 789 elif check_define __s390__ ; then
 790   if check_define __s390x__ ; then
 791     cpu="s390x"
 792   else
 793     cpu="s390"
 794   fi
 795 elif check_define __riscv ; then
 796   if check_define _LP64 ; then
 797     cpu="riscv64"
 798   else
 799     cpu="riscv32"
 800   fi
 801 elif check_define __arm__ ; then
 802   cpu="arm"
 803 elif check_define __aarch64__ ; then
 804   cpu="aarch64"
 805 else
 806   cpu=$(uname -m)
 807 fi
 808
 809 ARCH=
 810 # Normalise host CPU name and set ARCH.
 811 # Note that this case should only have supported host CPUs, not guests.
 812 case "$cpu" in
 813   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 814   ;;
 815   ppc64le)
 816     ARCH="ppc64"
 817   ;;
 818   i386|i486|i586|i686|i86pc|BePC)
 819     cpu="i386"
 820   ;;
 821   x86_64|amd64)
 822     cpu="x86_64"
 823   ;;
 824   armv*b|armv*l|arm)
 825     cpu="arm"
 826   ;;
 827   aarch64)
 828     cpu="aarch64"
 829   ;;
 830   mips*)
 831     cpu="mips"
 832   ;;
 833   sparc|sun4[cdmuv])
 834     cpu="sparc"
 835   ;;
 836   *)
 837     # This will result in either an error or falling back to TCI later
 838     ARCH=unknown
 839   ;;
 840 esac
 841 if test -z "$ARCH"; then
 842   ARCH="$cpu"
 843 fi
 844
 845 # OS specific
 846
 847 # host *BSD for user mode
 848 HOST_VARIANT_DIR=""
 849
 850 case $targetos in
 851 MINGW32*)
 852   mingw32="yes"
 853   hax="yes"
 854   vhost_user="no"
 855   audio_possible_drivers="dsound sdl"
 856   if check_include dsound.h; then
 857     audio_drv_list="dsound"
 858   else
 859     audio_drv_list=""
 860   fi
 861   supported_os="yes"
 862 ;;
 863 GNU/kFreeBSD)
 864   bsd="yes"
 865   audio_drv_list="oss try-sdl"
 866   audio_possible_drivers="oss sdl pa"
 867 ;;
 868 FreeBSD)
 869   bsd="yes"
 870   make="${MAKE-gmake}"
 871   audio_drv_list="oss try-sdl"
 872   audio_possible_drivers="oss sdl pa"
 873   # needed for kinfo_getvmmap(3) in libutil.h
 874   LIBS="-lutil $LIBS"
 875   netmap=""  # enable netmap autodetect
 876   HOST_VARIANT_DIR="freebsd"
 877 ;;
 878 DragonFly)
 879   bsd="yes"
 880   make="${MAKE-gmake}"
 881   audio_drv_list="oss try-sdl"
 882   audio_possible_drivers="oss sdl pa"
 883   HOST_VARIANT_DIR="dragonfly"
 884 ;;
 885 NetBSD)
 886   bsd="yes"
 887   hax="yes"
 888   make="${MAKE-gmake}"
 889   audio_drv_list="oss try-sdl"
 890   audio_possible_drivers="oss sdl"
 891   oss_lib="-lossaudio"
 892   HOST_VARIANT_DIR="netbsd"
 893 ;;
 894 OpenBSD)
 895   bsd="yes"
 896   make="${MAKE-gmake}"
 897   audio_drv_list="try-sdl"
 898   audio_possible_drivers="sdl"
 899   HOST_VARIANT_DIR="openbsd"
 900 ;;
 901 Darwin)
 902   bsd="yes"
 903   darwin="yes"
 904   hax="yes"
 905   hvf="yes"
 906   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 907   if [ "$cpu" = "x86_64" ] ; then
 908     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 909     QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
 910   fi
 911   cocoa="yes"
 912   audio_drv_list="coreaudio try-sdl"
 913   audio_possible_drivers="coreaudio sdl"
 914   QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
 915   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 916   # Disable attempts to use ObjectiveC features in os/object.h since they
 917   # won't work when we're compiling with gcc as a C compiler.
 918   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 919   HOST_VARIANT_DIR="darwin"
 920 ;;
 921 SunOS)
 922   solaris="yes"
 923   make="${MAKE-gmake}"
 924   install="${INSTALL-ginstall}"
 925   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 926   if test -f /usr/include/sys/soundcard.h ; then
 927     audio_drv_list="oss try-sdl"
 928   fi
 929   audio_possible_drivers="oss sdl"
 930 # needed for CMSG_ macros in sys/socket.h
 931   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 932 # needed for TIOCWIN* defines in termios.h
 933   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 934   solarisnetlibs="-lsocket -lnsl -lresolv"
 935   LIBS="$solarisnetlibs $LIBS"
 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 $QEMU_INCLUDES"
 949   libudev="yes"
 950 ;;
 951 esac
 952
 953 if [ "$bsd" = "yes" ] ; then
 954   if [ "$darwin" != "yes" ] ; then
 955     bsd_user="yes"
 956   fi
 957 fi
 958
 959 : ${make=${MAKE-make}}
 960 : ${install=${INSTALL-install}}
 961 # We prefer python 3.x. A bare 'python' is traditionally
 962 # python 2.x, but some distros have it as python 3.x, so
 963 # we check that too
 964 python=
 965 explicit_python=no
 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="$optarg" ; explicit_python=yes
1050   ;;
1051   --sphinx-build=*) sphinx_build="$optarg"
1052   ;;
1053   --skip-meson) skip_meson=yes
1054   ;;
1055   --meson=*) meson="$optarg"
1056   ;;
1057   --smbd=*) smbd="$optarg"
1058   ;;
1059   --extra-cflags=*)
1060   ;;
1061   --extra-cxxflags=*)
1062   ;;
1063   --extra-ldflags=*)
1064   ;;
1065   --enable-debug-info)
1066   ;;
1067   --disable-debug-info)
1068   ;;
1069   --cross-cc-*)
1070   ;;
1071   --enable-modules)
1072       modules="yes"
1073   ;;
1074   --disable-modules)
1075       modules="no"
1076   ;;
1077   --disable-module-upgrades) module_upgrades="no"
1078   ;;
1079   --enable-module-upgrades) module_upgrades="yes"
1080   ;;
1081   --cpu=*)
1082   ;;
1083   --target-list=*) target_list="$optarg"
1084                    if test "$target_list_exclude"; then
1085                        error_exit "Can't mix --target-list with --target-list-exclude"
1086                    fi
1087   ;;
1088   --target-list-exclude=*) target_list_exclude="$optarg"
1089                    if test "$target_list"; then
1090                        error_exit "Can't mix --target-list-exclude with --target-list"
1091                    fi
1092   ;;
1093   --enable-trace-backends=*) trace_backends="$optarg"
1094   ;;
1095   # XXX: backwards compatibility
1096   --enable-trace-backend=*) trace_backends="$optarg"
1097   ;;
1098   --with-trace-file=*) trace_file="$optarg"
1099   ;;
1100   --with-default-devices) default_devices="yes"
1101   ;;
1102   --without-default-devices) default_devices="no"
1103   ;;
1104   --enable-gprof) gprof="yes"
1105   ;;
1106   --enable-gcov) gcov="yes"
1107   ;;
1108   --static)
1109     static="yes"
1110     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1111   ;;
1112   --mandir=*) mandir="$optarg"
1113   ;;
1114   --bindir=*) bindir="$optarg"
1115   ;;
1116   --libdir=*) libdir="$optarg"
1117   ;;
1118   --libexecdir=*) libexecdir="$optarg"
1119   ;;
1120   --includedir=*) includedir="$optarg"
1121   ;;
1122   --datadir=*) datadir="$optarg"
1123   ;;
1124   --with-confsuffix=*) confsuffix="$optarg"
1125   ;;
1126   --docdir=*) qemu_docdir="$optarg"
1127   ;;
1128   --sysconfdir=*) sysconfdir="$optarg"
1129   ;;
1130   --localstatedir=*) local_statedir="$optarg"
1131   ;;
1132   --firmwarepath=*) firmwarepath="$optarg"
1133   ;;
1134   --host=*|--build=*|\
1135   --disable-dependency-tracking|\
1136   --sbindir=*|--sharedstatedir=*|\
1137   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1138   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1139     # These switches are silently ignored, for compatibility with
1140     # autoconf-generated configure scripts. This allows QEMU's
1141     # configure to be used by RPM and similar macros that set
1142     # lots of directory switches by default.
1143   ;;
1144   --disable-sdl) sdl="no"
1145   ;;
1146   --enable-sdl) sdl="yes"
1147   ;;
1148   --disable-sdl-image) sdl_image="no"
1149   ;;
1150   --enable-sdl-image) sdl_image="yes"
1151   ;;
1152   --disable-qom-cast-debug) qom_cast_debug="no"
1153   ;;
1154   --enable-qom-cast-debug) qom_cast_debug="yes"
1155   ;;
1156   --disable-virtfs) virtfs="no"
1157   ;;
1158   --enable-virtfs) virtfs="yes"
1159   ;;
1160   --disable-mpath) mpath="no"
1161   ;;
1162   --enable-mpath) mpath="yes"
1163   ;;
1164   --disable-vnc) vnc="no"
1165   ;;
1166   --enable-vnc) vnc="yes"
1167   ;;
1168   --oss-lib=*) oss_lib="$optarg"
1169   ;;
1170   --audio-drv-list=*) audio_drv_list="$optarg"
1171   ;;
1172   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1173   ;;
1174   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1175   ;;
1176   --enable-debug-tcg) debug_tcg="yes"
1177   ;;
1178   --disable-debug-tcg) debug_tcg="no"
1179   ;;
1180   --enable-debug)
1181       # Enable debugging options that aren't excessively noisy
1182       debug_tcg="yes"
1183       debug_mutex="yes"
1184       debug="yes"
1185       strip_opt="no"
1186       fortify_source="no"
1187   ;;
1188   --enable-sanitizers) sanitizers="yes"
1189   ;;
1190   --disable-sanitizers) sanitizers="no"
1191   ;;
1192   --enable-tsan) tsan="yes"
1193   ;;
1194   --disable-tsan) tsan="no"
1195   ;;
1196   --enable-sparse) sparse="yes"
1197   ;;
1198   --disable-sparse) sparse="no"
1199   ;;
1200   --disable-strip) strip_opt="no"
1201   ;;
1202   --disable-vnc-sasl) vnc_sasl="no"
1203   ;;
1204   --enable-vnc-sasl) vnc_sasl="yes"
1205   ;;
1206   --disable-vnc-jpeg) vnc_jpeg="no"
1207   ;;
1208   --enable-vnc-jpeg) vnc_jpeg="yes"
1209   ;;
1210   --disable-vnc-png) vnc_png="no"
1211   ;;
1212   --enable-vnc-png) vnc_png="yes"
1213   ;;
1214   --disable-slirp) slirp="no"
1215   ;;
1216   --enable-slirp=git) slirp="git"
1217   ;;
1218   --enable-slirp=system) slirp="system"
1219   ;;
1220   --disable-vde) vde="no"
1221   ;;
1222   --enable-vde) vde="yes"
1223   ;;
1224   --disable-netmap) netmap="no"
1225   ;;
1226   --enable-netmap) netmap="yes"
1227   ;;
1228   --disable-xen) xen="no"
1229   ;;
1230   --enable-xen) xen="yes"
1231   ;;
1232   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1233   ;;
1234   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1235   ;;
1236   --disable-brlapi) brlapi="no"
1237   ;;
1238   --enable-brlapi) brlapi="yes"
1239   ;;
1240   --disable-kvm) kvm="no"
1241   ;;
1242   --enable-kvm) kvm="yes"
1243   ;;
1244   --disable-hax) hax="no"
1245   ;;
1246   --enable-hax) hax="yes"
1247   ;;
1248   --disable-hvf) hvf="no"
1249   ;;
1250   --enable-hvf) hvf="yes"
1251   ;;
1252   --disable-whpx) whpx="no"
1253   ;;
1254   --enable-whpx) whpx="yes"
1255   ;;
1256   --disable-tcg-interpreter) tcg_interpreter="no"
1257   ;;
1258   --enable-tcg-interpreter) tcg_interpreter="yes"
1259   ;;
1260   --disable-cap-ng)  cap_ng="no"
1261   ;;
1262   --enable-cap-ng) cap_ng="yes"
1263   ;;
1264   --disable-tcg) tcg="no"
1265   ;;
1266   --enable-tcg) tcg="yes"
1267   ;;
1268   --disable-malloc-trim) malloc_trim="no"
1269   ;;
1270   --enable-malloc-trim) malloc_trim="yes"
1271   ;;
1272   --disable-spice) spice="no"
1273   ;;
1274   --enable-spice) spice="yes"
1275   ;;
1276   --disable-libiscsi) libiscsi="no"
1277   ;;
1278   --enable-libiscsi) libiscsi="yes"
1279   ;;
1280   --disable-libnfs) libnfs="no"
1281   ;;
1282   --enable-libnfs) libnfs="yes"
1283   ;;
1284   --enable-profiler) profiler="yes"
1285   ;;
1286   --disable-cocoa) cocoa="no"
1287   ;;
1288   --enable-cocoa)
1289       cocoa="yes" ;
1290       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1291   ;;
1292   --disable-system) softmmu="no"
1293   ;;
1294   --enable-system) softmmu="yes"
1295   ;;
1296   --disable-user)
1297       linux_user="no" ;
1298       bsd_user="no" ;
1299   ;;
1300   --enable-user) ;;
1301   --disable-linux-user) linux_user="no"
1302   ;;
1303   --enable-linux-user) linux_user="yes"
1304   ;;
1305   --disable-bsd-user) bsd_user="no"
1306   ;;
1307   --enable-bsd-user) bsd_user="yes"
1308   ;;
1309   --enable-pie) pie="yes"
1310   ;;
1311   --disable-pie) pie="no"
1312   ;;
1313   --enable-werror) werror="yes"
1314   ;;
1315   --disable-werror) werror="no"
1316   ;;
1317   --enable-stack-protector) stack_protector="yes"
1318   ;;
1319   --disable-stack-protector) stack_protector="no"
1320   ;;
1321   --enable-safe-stack) safe_stack="yes"
1322   ;;
1323   --disable-safe-stack) safe_stack="no"
1324   ;;
1325   --disable-curses) curses="no"
1326   ;;
1327   --enable-curses) curses="yes"
1328   ;;
1329   --disable-iconv) iconv="no"
1330   ;;
1331   --enable-iconv) iconv="yes"
1332   ;;
1333   --disable-curl) curl="no"
1334   ;;
1335   --enable-curl) curl="yes"
1336   ;;
1337   --disable-fdt) fdt="no"
1338   ;;
1339   --enable-fdt) fdt="yes"
1340   ;;
1341   --disable-linux-aio) linux_aio="no"
1342   ;;
1343   --enable-linux-aio) linux_aio="yes"
1344   ;;
1345   --disable-linux-io-uring) linux_io_uring="no"
1346   ;;
1347   --enable-linux-io-uring) linux_io_uring="yes"
1348   ;;
1349   --disable-attr) attr="no"
1350   ;;
1351   --enable-attr) attr="yes"
1352   ;;
1353   --disable-membarrier) membarrier="no"
1354   ;;
1355   --enable-membarrier) membarrier="yes"
1356   ;;
1357   --disable-blobs) blobs="no"
1358   ;;
1359   --with-pkgversion=*) pkgversion="$optarg"
1360   ;;
1361   --with-coroutine=*) coroutine="$optarg"
1362   ;;
1363   --disable-coroutine-pool) coroutine_pool="no"
1364   ;;
1365   --enable-coroutine-pool) coroutine_pool="yes"
1366   ;;
1367   --enable-debug-stack-usage) debug_stack_usage="yes"
1368   ;;
1369   --enable-crypto-afalg) crypto_afalg="yes"
1370   ;;
1371   --disable-crypto-afalg) crypto_afalg="no"
1372   ;;
1373   --disable-docs) docs="no"
1374   ;;
1375   --enable-docs) docs="yes"
1376   ;;
1377   --disable-vhost-net) vhost_net="no"
1378   ;;
1379   --enable-vhost-net) vhost_net="yes"
1380   ;;
1381   --disable-vhost-crypto) vhost_crypto="no"
1382   ;;
1383   --enable-vhost-crypto) vhost_crypto="yes"
1384   ;;
1385   --disable-vhost-scsi) vhost_scsi="no"
1386   ;;
1387   --enable-vhost-scsi) vhost_scsi="yes"
1388   ;;
1389   --disable-vhost-vsock) vhost_vsock="no"
1390   ;;
1391   --enable-vhost-vsock) vhost_vsock="yes"
1392   ;;
1393   --disable-vhost-user-fs) vhost_user_fs="no"
1394   ;;
1395   --enable-vhost-user-fs) vhost_user_fs="yes"
1396   ;;
1397   --disable-opengl) opengl="no"
1398   ;;
1399   --enable-opengl) opengl="yes"
1400   ;;
1401   --disable-rbd) rbd="no"
1402   ;;
1403   --enable-rbd) rbd="yes"
1404   ;;
1405   --disable-xfsctl) xfs="no"
1406   ;;
1407   --enable-xfsctl) xfs="yes"
1408   ;;
1409   --disable-smartcard) smartcard="no"
1410   ;;
1411   --enable-smartcard) smartcard="yes"
1412   ;;
1413   --disable-libusb) libusb="no"
1414   ;;
1415   --enable-libusb) libusb="yes"
1416   ;;
1417   --disable-usb-redir) usb_redir="no"
1418   ;;
1419   --enable-usb-redir) usb_redir="yes"
1420   ;;
1421   --disable-zlib-test) zlib="no"
1422   ;;
1423   --disable-lzo) lzo="no"
1424   ;;
1425   --enable-lzo) lzo="yes"
1426   ;;
1427   --disable-snappy) snappy="no"
1428   ;;
1429   --enable-snappy) snappy="yes"
1430   ;;
1431   --disable-bzip2) bzip2="no"
1432   ;;
1433   --enable-bzip2) bzip2="yes"
1434   ;;
1435   --enable-lzfse) lzfse="yes"
1436   ;;
1437   --disable-lzfse) lzfse="no"
1438   ;;
1439   --disable-zstd) zstd="no"
1440   ;;
1441   --enable-zstd) zstd="yes"
1442   ;;
1443   --enable-guest-agent) guest_agent="yes"
1444   ;;
1445   --disable-guest-agent) guest_agent="no"
1446   ;;
1447   --enable-guest-agent-msi) guest_agent_msi="yes"
1448   ;;
1449   --disable-guest-agent-msi) guest_agent_msi="no"
1450   ;;
1451   --with-vss-sdk) vss_win32_sdk=""
1452   ;;
1453   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1454   ;;
1455   --without-vss-sdk) vss_win32_sdk="no"
1456   ;;
1457   --with-win-sdk) win_sdk=""
1458   ;;
1459   --with-win-sdk=*) win_sdk="$optarg"
1460   ;;
1461   --without-win-sdk) win_sdk="no"
1462   ;;
1463   --enable-tools) want_tools="yes"
1464   ;;
1465   --disable-tools) want_tools="no"
1466   ;;
1467   --enable-seccomp) seccomp="yes"
1468   ;;
1469   --disable-seccomp) seccomp="no"
1470   ;;
1471   --disable-glusterfs) glusterfs="no"
1472   ;;
1473   --disable-avx2) avx2_opt="no"
1474   ;;
1475   --enable-avx2) avx2_opt="yes"
1476   ;;
1477   --disable-avx512f) avx512f_opt="no"
1478   ;;
1479   --enable-avx512f) avx512f_opt="yes"
1480   ;;
1481
1482   --enable-glusterfs) glusterfs="yes"
1483   ;;
1484   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1485       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1486   ;;
1487   --enable-vhdx|--disable-vhdx)
1488       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1489   ;;
1490   --enable-uuid|--disable-uuid)
1491       echo "$0: $opt is obsolete, UUID support is always built" >&2
1492   ;;
1493   --disable-gtk) gtk="no"
1494   ;;
1495   --enable-gtk) gtk="yes"
1496   ;;
1497   --tls-priority=*) tls_priority="$optarg"
1498   ;;
1499   --disable-gnutls) gnutls="no"
1500   ;;
1501   --enable-gnutls) gnutls="yes"
1502   ;;
1503   --disable-nettle) nettle="no"
1504   ;;
1505   --enable-nettle) nettle="yes"
1506   ;;
1507   --disable-gcrypt) gcrypt="no"
1508   ;;
1509   --enable-gcrypt) gcrypt="yes"
1510   ;;
1511   --disable-auth-pam) auth_pam="no"
1512   ;;
1513   --enable-auth-pam) auth_pam="yes"
1514   ;;
1515   --enable-rdma) rdma="yes"
1516   ;;
1517   --disable-rdma) rdma="no"
1518   ;;
1519   --enable-pvrdma) pvrdma="yes"
1520   ;;
1521   --disable-pvrdma) pvrdma="no"
1522   ;;
1523   --disable-vte) vte="no"
1524   ;;
1525   --enable-vte) vte="yes"
1526   ;;
1527   --disable-virglrenderer) virglrenderer="no"
1528   ;;
1529   --enable-virglrenderer) virglrenderer="yes"
1530   ;;
1531   --disable-tpm) tpm="no"
1532   ;;
1533   --enable-tpm) tpm="yes"
1534   ;;
1535   --disable-libssh) libssh="no"
1536   ;;
1537   --enable-libssh) libssh="yes"
1538   ;;
1539   --disable-live-block-migration) live_block_migration="no"
1540   ;;
1541   --enable-live-block-migration) live_block_migration="yes"
1542   ;;
1543   --disable-numa) numa="no"
1544   ;;
1545   --enable-numa) numa="yes"
1546   ;;
1547   --disable-libxml2) libxml2="no"
1548   ;;
1549   --enable-libxml2) libxml2="yes"
1550   ;;
1551   --disable-tcmalloc) tcmalloc="no"
1552   ;;
1553   --enable-tcmalloc) tcmalloc="yes"
1554   ;;
1555   --disable-jemalloc) jemalloc="no"
1556   ;;
1557   --enable-jemalloc) jemalloc="yes"
1558   ;;
1559   --disable-replication) replication="no"
1560   ;;
1561   --enable-replication) replication="yes"
1562   ;;
1563   --disable-bochs) bochs="no"
1564   ;;
1565   --enable-bochs) bochs="yes"
1566   ;;
1567   --disable-cloop) cloop="no"
1568   ;;
1569   --enable-cloop) cloop="yes"
1570   ;;
1571   --disable-dmg) dmg="no"
1572   ;;
1573   --enable-dmg) dmg="yes"
1574   ;;
1575   --disable-qcow1) qcow1="no"
1576   ;;
1577   --enable-qcow1) qcow1="yes"
1578   ;;
1579   --disable-vdi) vdi="no"
1580   ;;
1581   --enable-vdi) vdi="yes"
1582   ;;
1583   --disable-vvfat) vvfat="no"
1584   ;;
1585   --enable-vvfat) vvfat="yes"
1586   ;;
1587   --disable-qed) qed="no"
1588   ;;
1589   --enable-qed) qed="yes"
1590   ;;
1591   --disable-parallels) parallels="no"
1592   ;;
1593   --enable-parallels) parallels="yes"
1594   ;;
1595   --disable-sheepdog) sheepdog="no"
1596   ;;
1597   --enable-sheepdog) sheepdog="yes"
1598   ;;
1599   --disable-vhost-user) vhost_user="no"
1600   ;;
1601   --enable-vhost-user) vhost_user="yes"
1602   ;;
1603   --disable-vhost-vdpa) vhost_vdpa="no"
1604   ;;
1605   --enable-vhost-vdpa) vhost_vdpa="yes"
1606   ;;
1607   --disable-vhost-kernel) vhost_kernel="no"
1608   ;;
1609   --enable-vhost-kernel) vhost_kernel="yes"
1610   ;;
1611   --disable-capstone) capstone="no"
1612   ;;
1613   --enable-capstone) capstone="yes"
1614   ;;
1615   --enable-capstone=git) capstone="git"
1616   ;;
1617   --enable-capstone=system) capstone="system"
1618   ;;
1619   --with-git=*) git="$optarg"
1620   ;;
1621   --enable-git-update) git_update=yes
1622   ;;
1623   --disable-git-update) git_update=no
1624   ;;
1625   --enable-debug-mutex) debug_mutex=yes
1626   ;;
1627   --disable-debug-mutex) debug_mutex=no
1628   ;;
1629   --enable-libpmem) libpmem=yes
1630   ;;
1631   --disable-libpmem) libpmem=no
1632   ;;
1633   --enable-xkbcommon) xkbcommon=yes
1634   ;;
1635   --disable-xkbcommon) xkbcommon=no
1636   ;;
1637   --enable-plugins) plugins="yes"
1638   ;;
1639   --disable-plugins) plugins="no"
1640   ;;
1641   --enable-containers) use_containers="yes"
1642   ;;
1643   --disable-containers) use_containers="no"
1644   ;;
1645   --enable-fuzzing) fuzzing=yes
1646   ;;
1647   --disable-fuzzing) fuzzing=no
1648   ;;
1649   --gdb=*) gdb_bin="$optarg"
1650   ;;
1651   --enable-rng-none) rng_none=yes
1652   ;;
1653   --disable-rng-none) rng_none=no
1654   ;;
1655   --enable-keyring) secret_keyring="yes"
1656   ;;
1657   --disable-keyring) secret_keyring="no"
1658   ;;
1659   --enable-libdaxctl) libdaxctl=yes
1660   ;;
1661   --disable-libdaxctl) libdaxctl=no
1662   ;;
1663   *)
1664       echo "ERROR: unknown option $opt"
1665       echo "Try '$0 --help' for more information"
1666       exit 1
1667   ;;
1668   esac
1669 done
1670
1671 libdir="${libdir:-$prefix/lib}"
1672 libexecdir="${libexecdir:-$prefix/libexec}"
1673 includedir="${includedir:-$prefix/include}"
1674
1675 if test "$mingw32" = "yes" ; then
1676     mandir="$prefix"
1677     datadir="$prefix"
1678     qemu_docdir="$prefix"
1679     bindir="$prefix"
1680     sysconfdir="$prefix"
1681     local_statedir=
1682 else
1683     mandir="${mandir:-$prefix/share/man}"
1684     datadir="${datadir:-$prefix/share}"
1685     qemu_docdir="${qemu_docdir:-$prefix/share/doc/qemu}"
1686     bindir="${bindir:-$prefix/bin}"
1687     sysconfdir="${sysconfdir:-$prefix/etc}"
1688     local_statedir="${local_statedir:-$prefix/var}"
1689 fi
1690
1691 case "$cpu" in
1692     ppc)
1693            CPU_CFLAGS="-m32"
1694            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1695            ;;
1696     ppc64)
1697            CPU_CFLAGS="-m64"
1698            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1699            ;;
1700     sparc)
1701            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1702            QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1703            ;;
1704     sparc64)
1705            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1706            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1707            ;;
1708     s390)
1709            CPU_CFLAGS="-m31"
1710            QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1711            ;;
1712     s390x)
1713            CPU_CFLAGS="-m64"
1714            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1715            ;;
1716     i386)
1717            CPU_CFLAGS="-m32"
1718            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1719            ;;
1720     x86_64)
1721            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1722            # If we truly care, we should simply detect this case at
1723            # runtime and generate the fallback to serial emulation.
1724            CPU_CFLAGS="-m64 -mcx16"
1725            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1726            ;;
1727     x32)
1728            CPU_CFLAGS="-mx32"
1729            QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1730            ;;
1731     # No special flags required for other host CPUs
1732 esac
1733
1734 eval "cross_cc_${cpu}=\$host_cc"
1735 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1736 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1737
1738 # For user-mode emulation the host arch has to be one we explicitly
1739 # support, even if we're using TCI.
1740 if [ "$ARCH" = "unknown" ]; then
1741   bsd_user="no"
1742   linux_user="no"
1743 fi
1744
1745 if [ "$bsd_user" = "no" -a "$linux_user" = "no" -a "$softmmu" = "no" ] ; then
1746   tcg="no"
1747 fi
1748
1749 default_target_list=""
1750
1751 mak_wilds=""
1752
1753 if [ "$softmmu" = "yes" ]; then
1754     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1755 fi
1756 if [ "$linux_user" = "yes" ]; then
1757     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1758 fi
1759 if [ "$bsd_user" = "yes" ]; then
1760     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1761 fi
1762
1763 if test -z "$target_list_exclude"; then
1764     for config in $mak_wilds; do
1765         default_target_list="${default_target_list} $(basename "$config" .mak)"
1766     done
1767 else
1768     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1769     for config in $mak_wilds; do
1770         target="$(basename "$config" .mak)"
1771         exclude="no"
1772         for excl in $exclude_list; do
1773             if test "$excl" = "$target"; then
1774                 exclude="yes"
1775                 break;
1776             fi
1777         done
1778         if test "$exclude" = "no"; then
1779             default_target_list="${default_target_list} $target"
1780         fi
1781     done
1782 fi
1783
1784 # Enumerate public trace backends for --help output
1785 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1786
1787 if test x"$show_help" = x"yes" ; then
1788 cat << EOF
1789
1790 Usage: configure [options]
1791 Options: [defaults in brackets after descriptions]
1792
1793 Standard options:
1794   --help                   print this message
1795   --prefix=PREFIX          install in PREFIX [$prefix]
1796   --interp-prefix=PREFIX   where to find shared libraries, etc.
1797                            use %M for cpu name [$interp_prefix]
1798   --target-list=LIST       set target list (default: build everything)
1799 $(echo Available targets: $default_target_list | \
1800   fold -s -w 53 | sed -e 's/^/                           /')
1801   --target-list-exclude=LIST exclude a set of targets from the default target-list
1802
1803 Advanced options (experts only):
1804   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1805   --cc=CC                  use C compiler CC [$cc]
1806   --iasl=IASL              use ACPI compiler IASL [$iasl]
1807   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1808                            build time
1809   --cxx=CXX                use C++ compiler CXX [$cxx]
1810   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1811   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1812   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1813   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1814   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1815   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1816   --make=MAKE              use specified make [$make]
1817   --install=INSTALL        use specified install [$install]
1818   --python=PYTHON          use specified python [$python]
1819   --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1820   --meson=MESON            use specified meson [$meson]
1821   --smbd=SMBD              use specified smbd [$smbd]
1822   --with-git=GIT           use specified git [$git]
1823   --static                 enable static build [$static]
1824   --mandir=PATH            install man pages in PATH
1825   --datadir=PATH           install firmware in PATH$confsuffix
1826   --docdir=PATH            install documentation in PATH$confsuffix
1827   --bindir=PATH            install binaries in PATH
1828   --libdir=PATH            install libraries in PATH
1829   --libexecdir=PATH        install helper binaries in PATH
1830   --sysconfdir=PATH        install config in PATH$confsuffix
1831   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1832   --firmwarepath=PATH      search PATH for firmware files
1833   --efi-aarch64=PATH       PATH of efi file to use for aarch64 VMs.
1834   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1835   --with-pkgversion=VERS   use specified string as sub-version of the package
1836   --enable-debug           enable common debug build options
1837   --enable-sanitizers      enable default sanitizers
1838   --enable-tsan            enable thread sanitizer
1839   --disable-strip          disable stripping binaries
1840   --disable-werror         disable compilation abort on warning
1841   --disable-stack-protector disable compiler-provided stack protection
1842   --audio-drv-list=LIST    set audio drivers list:
1843                            Available drivers: $audio_possible_drivers
1844   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1845   --block-drv-rw-whitelist=L
1846                            set block driver read-write whitelist
1847                            (affects only QEMU, not qemu-img)
1848   --block-drv-ro-whitelist=L
1849                            set block driver read-only whitelist
1850                            (affects only QEMU, not qemu-img)
1851   --enable-trace-backends=B Set trace backend
1852                            Available backends: $trace_backend_list
1853   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1854                            Default:trace-<pid>
1855   --disable-slirp          disable SLIRP userspace network connectivity
1856   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1857   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1858   --oss-lib                path to OSS library
1859   --cpu=CPU                Build for host CPU [$cpu]
1860   --with-coroutine=BACKEND coroutine backend. Supported options:
1861                            ucontext, sigaltstack, windows
1862   --enable-gcov            enable test coverage analysis with gcov
1863   --disable-blobs          disable installing provided firmware blobs
1864   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1865   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1866   --tls-priority           default TLS protocol/cipher priority string
1867   --enable-gprof           QEMU profiling with gprof
1868   --enable-profiler        profiler support
1869   --enable-debug-stack-usage
1870                            track the maximum stack usage of stacks created by qemu_alloc_stack
1871   --enable-plugins
1872                            enable plugins via shared library loading
1873   --disable-containers     don't use containers for cross-building
1874   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1875
1876 Optional features, enabled with --enable-FEATURE and
1877 disabled with --disable-FEATURE, default is enabled if available:
1878
1879   system          all system emulation targets
1880   user            supported user emulation targets
1881   linux-user      all linux usermode emulation targets
1882   bsd-user        all BSD usermode emulation targets
1883   docs            build documentation
1884   guest-agent     build the QEMU Guest Agent
1885   guest-agent-msi build guest agent Windows MSI installation package
1886   pie             Position Independent Executables
1887   modules         modules support (non-Windows)
1888   module-upgrades try to load modules from alternate paths for upgrades
1889   debug-tcg       TCG debugging (default is disabled)
1890   debug-info      debugging information
1891   sparse          sparse checker
1892   safe-stack      SafeStack Stack Smash Protection. Depends on
1893                   clang/llvm >= 3.7 and requires coroutine backend ucontext.
1894
1895   gnutls          GNUTLS cryptography support
1896   nettle          nettle cryptography support
1897   gcrypt          libgcrypt cryptography support
1898   auth-pam        PAM access control
1899   sdl             SDL UI
1900   sdl-image       SDL Image support for icons
1901   gtk             gtk UI
1902   vte             vte support for the gtk UI
1903   curses          curses UI
1904   iconv           font glyph conversion support
1905   vnc             VNC UI support
1906   vnc-sasl        SASL encryption for VNC server
1907   vnc-jpeg        JPEG lossy compression for VNC server
1908   vnc-png         PNG compression for VNC server
1909   cocoa           Cocoa UI (Mac OS X only)
1910   virtfs          VirtFS
1911   mpath           Multipath persistent reservation passthrough
1912   xen             xen backend driver support
1913   xen-pci-passthrough    PCI passthrough support for Xen
1914   brlapi          BrlAPI (Braile)
1915   curl            curl connectivity
1916   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1917   fdt             fdt device tree
1918   kvm             KVM acceleration support
1919   hax             HAX acceleration support
1920   hvf             Hypervisor.framework acceleration support
1921   whpx            Windows Hypervisor Platform acceleration support
1922   rdma            Enable RDMA-based migration
1923   pvrdma          Enable PVRDMA support
1924   vde             support for vde network
1925   netmap          support for netmap network
1926   linux-aio       Linux AIO support
1927   linux-io-uring  Linux io_uring support
1928   cap-ng          libcap-ng support
1929   attr            attr and xattr support
1930   vhost-net       vhost-net kernel acceleration support
1931   vhost-vsock     virtio sockets device support
1932   vhost-scsi      vhost-scsi kernel target support
1933   vhost-crypto    vhost-user-crypto backend support
1934   vhost-kernel    vhost kernel backend support
1935   vhost-user      vhost-user backend support
1936   vhost-vdpa      vhost-vdpa kernel backend support
1937   spice           spice
1938   rbd             rados block device (rbd)
1939   libiscsi        iscsi support
1940   libnfs          nfs support
1941   smartcard       smartcard support (libcacard)
1942   libusb          libusb (for usb passthrough)
1943   live-block-migration   Block migration in the main migration stream
1944   usb-redir       usb network redirection support
1945   lzo             support of lzo compression library
1946   snappy          support of snappy compression library
1947   bzip2           support of bzip2 compression library
1948                   (for reading bzip2-compressed dmg images)
1949   lzfse           support of lzfse compression library
1950                   (for reading lzfse-compressed dmg images)
1951   zstd            support for zstd compression library
1952                   (for migration compression and qcow2 cluster compression)
1953   seccomp         seccomp support
1954   coroutine-pool  coroutine freelist (better performance)
1955   glusterfs       GlusterFS backend
1956   tpm             TPM support
1957   libssh          ssh block device support
1958   numa            libnuma support
1959   libxml2         for Parallels image format
1960   tcmalloc        tcmalloc support
1961   jemalloc        jemalloc support
1962   avx2            AVX2 optimization support
1963   avx512f         AVX512F optimization support
1964   replication     replication support
1965   opengl          opengl support
1966   virglrenderer   virgl rendering support
1967   xfsctl          xfsctl support
1968   qom-cast-debug  cast debugging support
1969   tools           build qemu-io, qemu-nbd and qemu-img tools
1970   bochs           bochs image format support
1971   cloop           cloop image format support
1972   dmg             dmg image format support
1973   qcow1           qcow v1 image format support
1974   vdi             vdi image format support
1975   vvfat           vvfat image format support
1976   qed             qed image format support
1977   parallels       parallels image format support
1978   sheepdog        sheepdog block driver support
1979   crypto-afalg    Linux AF_ALG crypto backend driver
1980   capstone        capstone disassembler support
1981   debug-mutex     mutex debugging support
1982   libpmem         libpmem support
1983   xkbcommon       xkbcommon support
1984   rng-none        dummy RNG, avoid using /dev/(u)random and getrandom()
1985   libdaxctl       libdaxctl support
1986
1987 NOTE: The object files are built at the place where configure is launched
1988 EOF
1989 exit 0
1990 fi
1991
1992 # Remove old dependency files to make sure that they get properly regenerated
1993 rm -f */config-devices.mak.d
1994
1995 # Remove syscall_nr.h to be sure they will be regenerated in the build
1996 # directory, not in the source directory
1997 for arch in alpha hppa m68k xtensa sh4 microblaze arm ppc s390x sparc sparc64 \
1998     i386 x86_64 mips mips64 ; do
1999     # remove the file if it has been generated in the source directory
2000     rm -f "${source_path}/linux-user/${arch}/syscall_nr.h"
2001     # remove the dependency files
2002     for target in ${arch}*-linux-user ; do
2003         test -d "${target}" && find "${target}" -type f -name "*.d" \
2004              -exec grep -q "${source_path}/linux-user/${arch}/syscall_nr.h" {} \; \
2005              -print | while read file ; do rm "${file}" "${file%.d}.o" ; done
2006     done
2007 done
2008
2009 if test -z "$python"
2010 then
2011     error_exit "Python not found. Use --python=/path/to/python"
2012 fi
2013
2014 # Note that if the Python conditional here evaluates True we will exit
2015 # with status 1 which is a shell 'false' value.
2016 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
2017   error_exit "Cannot use '$python', Python >= 3.5 is required." \
2018       "Use --python=/path/to/python to specify a supported Python."
2019 fi
2020
2021 # Preserve python version since some functionality is dependent on it
2022 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)
2023
2024 # Suppress writing compiled files
2025 python="$python -B"
2026
2027 if test -z "$meson"; then
2028     if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.0; then
2029         meson=meson
2030     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
2031         meson=git
2032     elif test -e "${source_path}/meson/meson.py" ; then
2033         meson=internal
2034     else
2035         if test "$explicit_python" = yes; then
2036             error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
2037         else
2038             error_exit "Meson not found.  Use --meson=/path/to/meson"
2039         fi
2040     fi
2041 else
2042     # Meson uses its own Python interpreter to invoke other Python scripts,
2043     # but the user wants to use the one they specified with --python.
2044     #
2045     # We do not want to override the distro Python interpreter (and sometimes
2046     # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
2047     # just require --meson=git|internal together with --python.
2048     if test "$explicit_python" = yes; then
2049         case "$meson" in
2050             git | internal) ;;
2051             *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
2052         esac
2053     fi
2054 fi
2055
2056 if test "$meson" = git; then
2057     git_submodules="${git_submodules} meson"
2058 fi
2059 if test "$git_update" = yes; then
2060     (cd "${source_path}" && GIT="$git" "./scripts/git-submodule.sh" update "$git_submodules")
2061 fi
2062
2063 case "$meson" in
2064     git | internal)
2065         if ! $python -c 'import pkg_resources' > /dev/null 2>&1; then
2066             error_exit "Python setuptools not found"
2067         fi
2068         meson="$python ${source_path}/meson/meson.py"
2069         ;;
2070     *) meson=$(command -v meson) ;;
2071 esac
2072
2073
2074 # Check that the C compiler works. Doing this here before testing
2075 # the host CPU ensures that we had a valid CC to autodetect the
2076 # $cpu var (and we should bail right here if that's not the case).
2077 # It also allows the help message to be printed without a CC.
2078 write_c_skeleton;
2079 if compile_object ; then
2080   : C compiler works ok
2081 else
2082     error_exit "\"$cc\" either does not exist or does not work"
2083 fi
2084 if ! compile_prog ; then
2085     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
2086 fi
2087
2088 # Now we have handled --enable-tcg-interpreter and know we're not just
2089 # printing the help message, bail out if the host CPU isn't supported.
2090 if test "$ARCH" = "unknown"; then
2091     if test "$tcg_interpreter" = "yes" ; then
2092         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
2093     else
2094         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
2095     fi
2096 fi
2097
2098 # Consult white-list to determine whether to enable werror
2099 # by default.  Only enable by default for git builds
2100 if test -z "$werror" ; then
2101     if test -e "$source_path/.git" && \
2102         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
2103         werror="yes"
2104     else
2105         werror="no"
2106     fi
2107 fi
2108
2109 if test "$bogus_os" = "yes"; then
2110     # Now that we know that we're not printing the help and that
2111     # the compiler works (so the results of the check_defines we used
2112     # to identify the OS are reliable), if we didn't recognize the
2113     # host OS we should stop now.
2114     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
2115 fi
2116
2117 # Check whether the compiler matches our minimum requirements:
2118 cat > $TMPC << EOF
2119 #if defined(__clang_major__) && defined(__clang_minor__)
2120 # ifdef __apple_build_version__
2121 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
2122 #   error You need at least XCode Clang v5.1 to compile QEMU
2123 #  endif
2124 # else
2125 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
2126 #   error You need at least Clang v3.4 to compile QEMU
2127 #  endif
2128 # endif
2129 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
2130 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
2131 #  error You need at least GCC v4.8 to compile QEMU
2132 # endif
2133 #else
2134 # error You either need GCC or Clang to compiler QEMU
2135 #endif
2136 int main (void) { return 0; }
2137 EOF
2138 if ! compile_prog "" "" ; then
2139     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2140 fi
2141
2142 # Accumulate -Wfoo and -Wno-bar separately.
2143 # We will list all of the enable flags first, and the disable flags second.
2144 # Note that we do not add -Werror, because that would enable it for all
2145 # configure tests. If a configure test failed due to -Werror this would
2146 # just silently disable some features, so it's too error prone.
2147
2148 warn_flags=
2149 add_to warn_flags -Wold-style-declaration
2150 add_to warn_flags -Wold-style-definition
2151 add_to warn_flags -Wtype-limits
2152 add_to warn_flags -Wformat-security
2153 add_to warn_flags -Wformat-y2k
2154 add_to warn_flags -Winit-self
2155 add_to warn_flags -Wignored-qualifiers
2156 add_to warn_flags -Wempty-body
2157 add_to warn_flags -Wnested-externs
2158 add_to warn_flags -Wendif-labels
2159 add_to warn_flags -Wexpansion-to-defined
2160
2161 nowarn_flags=
2162 add_to nowarn_flags -Wno-initializer-overrides
2163 add_to nowarn_flags -Wno-missing-include-dirs
2164 add_to nowarn_flags -Wno-shift-negative-value
2165 add_to nowarn_flags -Wno-string-plus-int
2166 add_to nowarn_flags -Wno-typedef-redefinition
2167 add_to nowarn_flags -Wno-tautological-type-limit-compare
2168 add_to nowarn_flags -Wno-psabi
2169
2170 gcc_flags="$warn_flags $nowarn_flags"
2171
2172 cc_has_warning_flag() {
2173     write_c_skeleton;
2174
2175     # Use the positive sense of the flag when testing for -Wno-wombat
2176     # support (gcc will happily accept the -Wno- form of unknown
2177     # warning options).
2178     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2179     compile_prog "-Werror $optflag" ""
2180 }
2181
2182 for flag in $gcc_flags; do
2183     if cc_has_warning_flag $flag ; then
2184         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2185     fi
2186 done
2187
2188 if test "$stack_protector" != "no"; then
2189   cat > $TMPC << EOF
2190 int main(int argc, char *argv[])
2191 {
2192     char arr[64], *p = arr, *c = argv[0];
2193     while (*c) {
2194         *p++ = *c++;
2195     }
2196     return 0;
2197 }
2198 EOF
2199   gcc_flags="-fstack-protector-strong -fstack-protector-all"
2200   sp_on=0
2201   for flag in $gcc_flags; do
2202     # We need to check both a compile and a link, since some compiler
2203     # setups fail only on a .c->.o compile and some only at link time
2204     if compile_object "-Werror $flag" &&
2205        compile_prog "-Werror $flag" ""; then
2206       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2207       QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2208       sp_on=1
2209       break
2210     fi
2211   done
2212   if test "$stack_protector" = yes; then
2213     if test $sp_on = 0; then
2214       error_exit "Stack protector not supported"
2215     fi
2216   fi
2217 fi
2218
2219 # Disable -Wmissing-braces on older compilers that warn even for
2220 # the "universal" C zero initializer {0}.
2221 cat > $TMPC << EOF
2222 struct {
2223   int a[2];
2224 } x = {0};
2225 EOF
2226 if compile_object "-Werror" "" ; then
2227   :
2228 else
2229   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2230 fi
2231
2232 # Our module code doesn't support Windows
2233 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2234   error_exit "Modules are not available for Windows"
2235 fi
2236
2237 # module_upgrades is only reasonable if modules are enabled
2238 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2239   error_exit "Can't enable module-upgrades as Modules are not enabled"
2240 fi
2241
2242 # Static linking is not possible with modules or PIE
2243 if test "$static" = "yes" ; then
2244   if test "$modules" = "yes" ; then
2245     error_exit "static and modules are mutually incompatible"
2246   fi
2247 fi
2248
2249 # Unconditional check for compiler __thread support
2250   cat > $TMPC << EOF
2251 static __thread int tls_var;
2252 int main(void) { return tls_var; }
2253 EOF
2254
2255 if ! compile_prog "-Werror" "" ; then
2256     error_exit "Your compiler does not support the __thread specifier for " \
2257         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2258 fi
2259
2260 cat > $TMPC << EOF
2261
2262 #ifdef __linux__
2263 #  define THREAD __thread
2264 #else
2265 #  define THREAD
2266 #endif
2267 static THREAD int tls_var;
2268 int main(void) { return tls_var; }
2269 EOF
2270
2271 # Check we support --no-pie first; we will need this for building ROMs.
2272 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2273   CFLAGS_NOPIE="-fno-pie"
2274   LDFLAGS_NOPIE="-no-pie"
2275 fi
2276
2277 if test "$static" = "yes"; then
2278   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2279     CFLAGS="-fPIE -DPIE $CFLAGS"
2280     QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2281     pie="yes"
2282   elif test "$pie" = "yes"; then
2283     error_exit "-static-pie not available due to missing toolchain support"
2284   else
2285     QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2286     pie="no"
2287   fi
2288 elif test "$pie" = "no"; then
2289   CFLAGS="$CFLAGS_NOPIE $CFLAGS"
2290   LDFLAGS="$LDFLAGS_NOPIE $LDFLAGS"
2291 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2292   CFLAGS="-fPIE -DPIE $CFLAGS"
2293   LDFLAGS="-pie $LDFLAGS"
2294   pie="yes"
2295 elif test "$pie" = "yes"; then
2296   error_exit "PIE not available due to missing toolchain support"
2297 else
2298   echo "Disabling PIE due to missing toolchain support"
2299   pie="no"
2300 fi
2301
2302 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2303 # The combination is known as "full relro", because .got.plt is read-only too.
2304 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2305   QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2306 fi
2307
2308 ##########################################
2309 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2310 # use i686 as default anyway, but for those that don't, an explicit
2311 # specification is necessary
2312
2313 if test "$cpu" = "i386"; then
2314   cat > $TMPC << EOF
2315 static int sfaa(int *ptr)
2316 {
2317   return __sync_fetch_and_and(ptr, 0);
2318 }
2319
2320 int main(void)
2321 {
2322   int val = 42;
2323   val = __sync_val_compare_and_swap(&val, 0, 1);
2324   sfaa(&val);
2325   return val;
2326 }
2327 EOF
2328   if ! compile_prog "" "" ; then
2329     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2330   fi
2331 fi
2332
2333 #########################################
2334 # Solaris specific configure tool chain decisions
2335
2336 if test "$solaris" = "yes" ; then
2337   if has $install; then
2338     :
2339   else
2340     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2341         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2342         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2343   fi
2344   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2345     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2346         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2347         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2348   fi
2349   if has ar; then
2350     :
2351   else
2352     if test -f /usr/ccs/bin/ar ; then
2353       error_exit "No path includes ar" \
2354           "Add /usr/ccs/bin to your path and rerun configure"
2355     fi
2356     error_exit "No path includes ar"
2357   fi
2358 fi
2359
2360 if test -z "${target_list+xxx}" ; then
2361     for target in $default_target_list; do
2362         supported_target $target 2>/dev/null && \
2363             target_list="$target_list $target"
2364     done
2365     target_list="${target_list# }"
2366 else
2367     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2368     for target in $target_list; do
2369         # Check that we recognised the target name; this allows a more
2370         # friendly error message than if we let it fall through.
2371         case " $default_target_list " in
2372             *" $target "*)
2373                 ;;
2374             *)
2375                 error_exit "Unknown target name '$target'"
2376                 ;;
2377         esac
2378         supported_target $target || exit 1
2379     done
2380 fi
2381
2382 # see if system emulation was really requested
2383 case " $target_list " in
2384   *"-softmmu "*) softmmu=yes
2385   ;;
2386   *) softmmu=no
2387   ;;
2388 esac
2389
2390 for target in $target_list; do
2391   case "$target" in
2392     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2393       edk2_blobs="yes"
2394       ;;
2395   esac
2396 done
2397 # The EDK2 binaries are compressed with bzip2
2398 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2399   error_exit "The bzip2 program is required for building QEMU"
2400 fi
2401
2402 feature_not_found() {
2403   feature=$1
2404   remedy=$2
2405
2406   error_exit "User requested feature $feature" \
2407       "configure was not able to find it." \
2408       "$remedy"
2409 }
2410
2411 # ---
2412 # big/little endian test
2413 cat > $TMPC << EOF
2414 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2415 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2416 extern int foo(short *, short *);
2417 int main(int argc, char *argv[]) {
2418     return foo(big_endian, little_endian);
2419 }
2420 EOF
2421
2422 if compile_object ; then
2423     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2424         bigendian="yes"
2425     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2426         bigendian="no"
2427     else
2428         echo big/little test failed
2429     fi
2430 else
2431     echo big/little test failed
2432 fi
2433
2434 ##########################################
2435 # system tools
2436 if test -z "$want_tools"; then
2437     if test "$softmmu" = "no"; then
2438         want_tools=no
2439     else
2440         want_tools=yes
2441     fi
2442 fi
2443
2444 ##########################################
2445 # cocoa implies not SDL or GTK
2446 # (the cocoa UI code currently assumes it is always the active UI
2447 # and doesn't interact well with other UI frontend code)
2448 if test "$cocoa" = "yes"; then
2449     if test "$sdl" = "yes"; then
2450         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2451     fi
2452     if test "$gtk" = "yes"; then
2453         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2454     fi
2455     gtk=no
2456     sdl=no
2457 fi
2458
2459 # Some versions of Mac OS X incorrectly define SIZE_MAX
2460 cat > $TMPC << EOF
2461 #include <stdint.h>
2462 #include <stdio.h>
2463 int main(int argc, char *argv[]) {
2464     return printf("%zu", SIZE_MAX);
2465 }
2466 EOF
2467 have_broken_size_max=no
2468 if ! compile_object -Werror ; then
2469     have_broken_size_max=yes
2470 fi
2471
2472 ##########################################
2473 # L2TPV3 probe
2474
2475 cat > $TMPC <<EOF
2476 #include <sys/socket.h>
2477 #include <linux/ip.h>
2478 int main(void) { return sizeof(struct mmsghdr); }
2479 EOF
2480 if compile_prog "" "" ; then
2481   l2tpv3=yes
2482 else
2483   l2tpv3=no
2484 fi
2485
2486 if check_include "pty.h" ; then
2487   pty_h=yes
2488 else
2489   pty_h=no
2490 fi
2491
2492 cat > $TMPC <<EOF
2493 #include <sys/mman.h>
2494 int main(int argc, char *argv[]) {
2495     return mlockall(MCL_FUTURE);
2496 }
2497 EOF
2498 if compile_prog "" "" ; then
2499   have_mlockall=yes
2500 else
2501   have_mlockall=no
2502 fi
2503
2504 #########################################
2505 # vhost interdependencies and host support
2506
2507 # vhost backends
2508 test "$vhost_user" = "" && vhost_user=yes
2509 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2510   error_exit "vhost-user isn't available on win32"
2511 fi
2512 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2513 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2514   error_exit "vhost-vdpa is only available on Linux"
2515 fi
2516 test "$vhost_kernel" = "" && vhost_kernel=$linux
2517 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2518   error_exit "vhost-kernel is only available on Linux"
2519 fi
2520
2521 # vhost-kernel devices
2522 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2523 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2524   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2525 fi
2526 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2527 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2528   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2529 fi
2530
2531 # vhost-user backends
2532 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2533 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2534   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2535 fi
2536 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2537 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2538   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2539 fi
2540 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2541 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2542   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2543 fi
2544 #vhost-vdpa backends
2545 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2546 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2547   error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2548 fi
2549
2550 # OR the vhost-kernel and vhost-user values for simplicity
2551 if test "$vhost_net" = ""; then
2552   test "$vhost_net_user" = "yes" && vhost_net=yes
2553   test "$vhost_kernel" = "yes" && vhost_net=yes
2554 fi
2555
2556 ##########################################
2557 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2558
2559 if test "$mingw32" = "yes"; then
2560     # Some versions of MinGW / Mingw-w64 lack localtime_r
2561     # and gmtime_r entirely.
2562     #
2563     # Some versions of Mingw-w64 define a macro for
2564     # localtime_r/gmtime_r.
2565     #
2566     # Some versions of Mingw-w64 will define functions
2567     # for localtime_r/gmtime_r, but only if you have
2568     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2569     # though, unistd.h and pthread.h both define
2570     # that for you.
2571     #
2572     # So this #undef localtime_r and #include <unistd.h>
2573     # are not in fact redundant.
2574 cat > $TMPC << EOF
2575 #include <unistd.h>
2576 #include <time.h>
2577 #undef localtime_r
2578 int main(void) { localtime_r(NULL, NULL); return 0; }
2579 EOF
2580     if compile_prog "" "" ; then
2581         localtime_r="yes"
2582     else
2583         localtime_r="no"
2584     fi
2585 fi
2586
2587 ##########################################
2588 # pkg-config probe
2589
2590 if ! has "$pkg_config_exe"; then
2591   error_exit "pkg-config binary '$pkg_config_exe' not found"
2592 fi
2593
2594 ##########################################
2595 # NPTL probe
2596
2597 if test "$linux_user" = "yes"; then
2598   cat > $TMPC <<EOF
2599 #include <sched.h>
2600 #include <linux/futex.h>
2601 int main(void) {
2602 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2603 #error bork
2604 #endif
2605   return 0;
2606 }
2607 EOF
2608   if ! compile_object ; then
2609     feature_not_found "nptl" "Install glibc and linux kernel headers."
2610   fi
2611 fi
2612
2613 ##########################################
2614 # lzo check
2615
2616 if test "$lzo" != "no" ; then
2617     cat > $TMPC << EOF
2618 #include <lzo/lzo1x.h>
2619 int main(void) { lzo_version(); return 0; }
2620 EOF
2621     if compile_prog "" "-llzo2" ; then
2622         libs_softmmu="$libs_softmmu -llzo2"
2623         lzo="yes"
2624     else
2625         if test "$lzo" = "yes"; then
2626             feature_not_found "liblzo2" "Install liblzo2 devel"
2627         fi
2628         lzo="no"
2629     fi
2630 fi
2631
2632 ##########################################
2633 # snappy check
2634
2635 if test "$snappy" != "no" ; then
2636     cat > $TMPC << EOF
2637 #include <snappy-c.h>
2638 int main(void) { snappy_max_compressed_length(4096); return 0; }
2639 EOF
2640     if compile_prog "" "-lsnappy" ; then
2641         libs_softmmu="$libs_softmmu -lsnappy"
2642         snappy="yes"
2643     else
2644         if test "$snappy" = "yes"; then
2645             feature_not_found "libsnappy" "Install libsnappy devel"
2646         fi
2647         snappy="no"
2648     fi
2649 fi
2650
2651 ##########################################
2652 # bzip2 check
2653
2654 if test "$bzip2" != "no" ; then
2655     cat > $TMPC << EOF
2656 #include <bzlib.h>
2657 int main(void) { BZ2_bzlibVersion(); return 0; }
2658 EOF
2659     if compile_prog "" "-lbz2" ; then
2660         bzip2="yes"
2661     else
2662         if test "$bzip2" = "yes"; then
2663             feature_not_found "libbzip2" "Install libbzip2 devel"
2664         fi
2665         bzip2="no"
2666     fi
2667 fi
2668
2669 ##########################################
2670 # lzfse check
2671
2672 if test "$lzfse" != "no" ; then
2673     cat > $TMPC << EOF
2674 #include <lzfse.h>
2675 int main(void) { lzfse_decode_scratch_size(); return 0; }
2676 EOF
2677     if compile_prog "" "-llzfse" ; then
2678         lzfse="yes"
2679     else
2680         if test "$lzfse" = "yes"; then
2681             feature_not_found "lzfse" "Install lzfse devel"
2682         fi
2683         lzfse="no"
2684     fi
2685 fi
2686
2687 ##########################################
2688 # zstd check
2689
2690 if test "$zstd" != "no" ; then
2691     libzstd_minver="1.4.0"
2692     if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2693         zstd_cflags="$($pkg_config --cflags libzstd)"
2694         zstd_libs="$($pkg_config --libs libzstd)"
2695         zstd="yes"
2696     else
2697         if test "$zstd" = "yes" ; then
2698             feature_not_found "libzstd" "Install libzstd devel"
2699         fi
2700         zstd="no"
2701     fi
2702 fi
2703
2704 ##########################################
2705 # libseccomp check
2706
2707 if test "$seccomp" != "no" ; then
2708     libseccomp_minver="2.3.0"
2709     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2710         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2711         seccomp_libs="$($pkg_config --libs libseccomp)"
2712         seccomp="yes"
2713     else
2714         if test "$seccomp" = "yes" ; then
2715             feature_not_found "libseccomp" \
2716                  "Install libseccomp devel >= $libseccomp_minver"
2717         fi
2718         seccomp="no"
2719     fi
2720 fi
2721 ##########################################
2722 # xen probe
2723
2724 if test "$xen" != "no" ; then
2725   # Check whether Xen library path is specified via --extra-ldflags to avoid
2726   # overriding this setting with pkg-config output. If not, try pkg-config
2727   # to obtain all needed flags.
2728
2729   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2730      $pkg_config --exists xencontrol ; then
2731     xen_ctrl_version="$(printf '%d%02d%02d' \
2732       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2733     xen=yes
2734     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2735     xen_pc="$xen_pc xenevtchn xendevicemodel"
2736     if $pkg_config --exists xentoolcore; then
2737       xen_pc="$xen_pc xentoolcore"
2738     fi
2739     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2740     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2741   else
2742
2743     xen_libs="-lxenstore -lxenctrl -lxenguest"
2744     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2745
2746     # First we test whether Xen headers and libraries are available.
2747     # If no, we are done and there is no Xen support.
2748     # If yes, more tests are run to detect the Xen version.
2749
2750     # Xen (any)
2751     cat > $TMPC <<EOF
2752 #include <xenctrl.h>
2753 int main(void) {
2754   return 0;
2755 }
2756 EOF
2757     if ! compile_prog "" "$xen_libs" ; then
2758       # Xen not found
2759       if test "$xen" = "yes" ; then
2760         feature_not_found "xen" "Install xen devel"
2761       fi
2762       xen=no
2763
2764     # Xen unstable
2765     elif
2766         cat > $TMPC <<EOF &&
2767 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2768 #define __XEN_TOOLS__
2769 #include <xendevicemodel.h>
2770 #include <xenforeignmemory.h>
2771 int main(void) {
2772   xendevicemodel_handle *xd;
2773   xenforeignmemory_handle *xfmem;
2774
2775   xd = xendevicemodel_open(0, 0);
2776   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2777
2778   xfmem = xenforeignmemory_open(0, 0);
2779   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2780
2781   return 0;
2782 }
2783 EOF
2784         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2785       then
2786       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2787       xen_ctrl_version=41100
2788       xen=yes
2789     elif
2790         cat > $TMPC <<EOF &&
2791 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2792 #include <xenforeignmemory.h>
2793 #include <xentoolcore.h>
2794 int main(void) {
2795   xenforeignmemory_handle *xfmem;
2796
2797   xfmem = xenforeignmemory_open(0, 0);
2798   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2799   xentoolcore_restrict_all(0);
2800
2801   return 0;
2802 }
2803 EOF
2804         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2805       then
2806       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2807       xen_ctrl_version=41000
2808       xen=yes
2809     elif
2810         cat > $TMPC <<EOF &&
2811 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2812 #define __XEN_TOOLS__
2813 #include <xendevicemodel.h>
2814 int main(void) {
2815   xendevicemodel_handle *xd;
2816
2817   xd = xendevicemodel_open(0, 0);
2818   xendevicemodel_close(xd);
2819
2820   return 0;
2821 }
2822 EOF
2823         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2824       then
2825       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2826       xen_ctrl_version=40900
2827       xen=yes
2828     elif
2829         cat > $TMPC <<EOF &&
2830 /*
2831  * If we have stable libs the we don't want the libxc compat
2832  * layers, regardless of what CFLAGS we may have been given.
2833  *
2834  * Also, check if xengnttab_grant_copy_segment_t is defined and
2835  * grant copy operation is implemented.
2836  */
2837 #undef XC_WANT_COMPAT_EVTCHN_API
2838 #undef XC_WANT_COMPAT_GNTTAB_API
2839 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2840 #include <xenctrl.h>
2841 #include <xenstore.h>
2842 #include <xenevtchn.h>
2843 #include <xengnttab.h>
2844 #include <xenforeignmemory.h>
2845 #include <stdint.h>
2846 #include <xen/hvm/hvm_info_table.h>
2847 #if !defined(HVM_MAX_VCPUS)
2848 # error HVM_MAX_VCPUS not defined
2849 #endif
2850 int main(void) {
2851   xc_interface *xc = NULL;
2852   xenforeignmemory_handle *xfmem;
2853   xenevtchn_handle *xe;
2854   xengnttab_handle *xg;
2855   xengnttab_grant_copy_segment_t* seg = NULL;
2856
2857   xs_daemon_open();
2858
2859   xc = xc_interface_open(0, 0, 0);
2860   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2861   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2862   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2863   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2864
2865   xfmem = xenforeignmemory_open(0, 0);
2866   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2867
2868   xe = xenevtchn_open(0, 0);
2869   xenevtchn_fd(xe);
2870
2871   xg = xengnttab_open(0, 0);
2872   xengnttab_grant_copy(xg, 0, seg);
2873
2874   return 0;
2875 }
2876 EOF
2877         compile_prog "" "$xen_libs $xen_stable_libs"
2878       then
2879       xen_ctrl_version=40800
2880       xen=yes
2881     elif
2882         cat > $TMPC <<EOF &&
2883 /*
2884  * If we have stable libs the we don't want the libxc compat
2885  * layers, regardless of what CFLAGS we may have been given.
2886  */
2887 #undef XC_WANT_COMPAT_EVTCHN_API
2888 #undef XC_WANT_COMPAT_GNTTAB_API
2889 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2890 #include <xenctrl.h>
2891 #include <xenstore.h>
2892 #include <xenevtchn.h>
2893 #include <xengnttab.h>
2894 #include <xenforeignmemory.h>
2895 #include <stdint.h>
2896 #include <xen/hvm/hvm_info_table.h>
2897 #if !defined(HVM_MAX_VCPUS)
2898 # error HVM_MAX_VCPUS not defined
2899 #endif
2900 int main(void) {
2901   xc_interface *xc = NULL;
2902   xenforeignmemory_handle *xfmem;
2903   xenevtchn_handle *xe;
2904   xengnttab_handle *xg;
2905
2906   xs_daemon_open();
2907
2908   xc = xc_interface_open(0, 0, 0);
2909   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2910   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2911   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2912   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2913
2914   xfmem = xenforeignmemory_open(0, 0);
2915   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2916
2917   xe = xenevtchn_open(0, 0);
2918   xenevtchn_fd(xe);
2919
2920   xg = xengnttab_open(0, 0);
2921   xengnttab_map_grant_ref(xg, 0, 0, 0);
2922
2923   return 0;
2924 }
2925 EOF
2926         compile_prog "" "$xen_libs $xen_stable_libs"
2927       then
2928       xen_ctrl_version=40701
2929       xen=yes
2930
2931     # Xen 4.6
2932     elif
2933         cat > $TMPC <<EOF &&
2934 #include <xenctrl.h>
2935 #include <xenstore.h>
2936 #include <stdint.h>
2937 #include <xen/hvm/hvm_info_table.h>
2938 #if !defined(HVM_MAX_VCPUS)
2939 # error HVM_MAX_VCPUS not defined
2940 #endif
2941 int main(void) {
2942   xc_interface *xc;
2943   xs_daemon_open();
2944   xc = xc_interface_open(0, 0, 0);
2945   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2946   xc_gnttab_open(NULL, 0);
2947   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2948   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2949   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2950   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2951   return 0;
2952 }
2953 EOF
2954         compile_prog "" "$xen_libs"
2955       then
2956       xen_ctrl_version=40600
2957       xen=yes
2958
2959     # Xen 4.5
2960     elif
2961         cat > $TMPC <<EOF &&
2962 #include <xenctrl.h>
2963 #include <xenstore.h>
2964 #include <stdint.h>
2965 #include <xen/hvm/hvm_info_table.h>
2966 #if !defined(HVM_MAX_VCPUS)
2967 # error HVM_MAX_VCPUS not defined
2968 #endif
2969 int main(void) {
2970   xc_interface *xc;
2971   xs_daemon_open();
2972   xc = xc_interface_open(0, 0, 0);
2973   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2974   xc_gnttab_open(NULL, 0);
2975   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2976   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2977   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2978   return 0;
2979 }
2980 EOF
2981         compile_prog "" "$xen_libs"
2982       then
2983       xen_ctrl_version=40500
2984       xen=yes
2985
2986     elif
2987         cat > $TMPC <<EOF &&
2988 #include <xenctrl.h>
2989 #include <xenstore.h>
2990 #include <stdint.h>
2991 #include <xen/hvm/hvm_info_table.h>
2992 #if !defined(HVM_MAX_VCPUS)
2993 # error HVM_MAX_VCPUS not defined
2994 #endif
2995 int main(void) {
2996   xc_interface *xc;
2997   xs_daemon_open();
2998   xc = xc_interface_open(0, 0, 0);
2999   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
3000   xc_gnttab_open(NULL, 0);
3001   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
3002   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
3003   return 0;
3004 }
3005 EOF
3006         compile_prog "" "$xen_libs"
3007       then
3008       xen_ctrl_version=40200
3009       xen=yes
3010
3011     else
3012       if test "$xen" = "yes" ; then
3013         feature_not_found "xen (unsupported version)" \
3014                           "Install a supported xen (xen 4.2 or newer)"
3015       fi
3016       xen=no
3017     fi
3018
3019     if test "$xen" = yes; then
3020       if test $xen_ctrl_version -ge 40701  ; then
3021         libs_softmmu="$xen_stable_libs $libs_softmmu"
3022       fi
3023       libs_softmmu="$xen_libs $libs_softmmu"
3024     fi
3025   fi
3026 fi
3027
3028 if test "$xen_pci_passthrough" != "no"; then
3029   if test "$xen" = "yes" && test "$linux" = "yes"; then
3030     xen_pci_passthrough=yes
3031   else
3032     if test "$xen_pci_passthrough" = "yes"; then
3033       error_exit "User requested feature Xen PCI Passthrough" \
3034           " but this feature requires /sys from Linux"
3035     fi
3036     xen_pci_passthrough=no
3037   fi
3038 fi
3039
3040 ##########################################
3041 # Windows Hypervisor Platform accelerator (WHPX) check
3042 if test "$whpx" != "no" ; then
3043     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
3044         whpx="yes"
3045     else
3046         if test "$whpx" = "yes"; then
3047             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
3048         fi
3049         whpx="no"
3050     fi
3051 fi
3052
3053 ##########################################
3054 # Sparse probe
3055 if test "$sparse" != "no" ; then
3056   if has sparse; then
3057     sparse=yes
3058   else
3059     if test "$sparse" = "yes" ; then
3060       feature_not_found "sparse" "Install sparse binary"
3061     fi
3062     sparse=no
3063   fi
3064 fi
3065
3066 ##########################################
3067 # X11 probe
3068 if $pkg_config --exists "x11"; then
3069     have_x11=yes
3070     x11_cflags=$($pkg_config --cflags x11)
3071     x11_libs=$($pkg_config --libs x11)
3072 fi
3073
3074 ##########################################
3075 # GTK probe
3076
3077 if test "$gtk" != "no"; then
3078     gtkpackage="gtk+-3.0"
3079     gtkx11package="gtk+-x11-3.0"
3080     gtkversion="3.22.0"
3081     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
3082         gtk_cflags=$($pkg_config --cflags $gtkpackage)
3083         gtk_libs=$($pkg_config --libs $gtkpackage)
3084         gtk_version=$($pkg_config --modversion $gtkpackage)
3085         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
3086             need_x11=yes
3087             gtk_cflags="$gtk_cflags $x11_cflags"
3088             gtk_libs="$gtk_libs $x11_libs"
3089         fi
3090         gtk="yes"
3091     elif test "$gtk" = "yes"; then
3092         feature_not_found "gtk" "Install gtk3-devel"
3093     else
3094         gtk="no"
3095     fi
3096 fi
3097
3098
3099 ##########################################
3100 # GNUTLS probe
3101
3102 if test "$gnutls" != "no"; then
3103     pass="no"
3104     if $pkg_config --exists "gnutls >= 3.1.18"; then
3105         gnutls_cflags=$($pkg_config --cflags gnutls)
3106         gnutls_libs=$($pkg_config --libs gnutls)
3107         # Packaging for the static libraries is not always correct.
3108         # At least ubuntu 18.04 ships only shared libraries.
3109         write_c_skeleton
3110         if compile_prog "" "$gnutls_libs" ; then
3111             LIBS="$gnutls_libs $LIBS"
3112             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
3113             pass="yes"
3114         fi
3115     fi
3116     if test "$pass" = "no" && test "$gnutls" = "yes"; then
3117         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
3118     else
3119         gnutls="$pass"
3120     fi
3121 fi
3122
3123
3124 # If user didn't give a --disable/enable-gcrypt flag,
3125 # then mark as disabled if user requested nettle
3126 # explicitly
3127 if test -z "$gcrypt"
3128 then
3129     if test "$nettle" = "yes"
3130     then
3131         gcrypt="no"
3132     fi
3133 fi
3134
3135 # If user didn't give a --disable/enable-nettle flag,
3136 # then mark as disabled if user requested gcrypt
3137 # explicitly
3138 if test -z "$nettle"
3139 then
3140     if test "$gcrypt" = "yes"
3141     then
3142         nettle="no"
3143     fi
3144 fi
3145
3146 has_libgcrypt() {
3147     if ! has "libgcrypt-config"
3148     then
3149         return 1
3150     fi
3151
3152     if test -n "$cross_prefix"
3153     then
3154         host=$(libgcrypt-config --host)
3155         if test "$host-" != $cross_prefix
3156         then
3157             return 1
3158         fi
3159     fi
3160
3161     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
3162     min=`libgcrypt-config --version | awk -F . '{print $2}'`
3163
3164     if test $maj != 1 || test $min -lt 5
3165     then
3166        return 1
3167     fi
3168
3169     return 0
3170 }
3171
3172
3173 if test "$nettle" != "no"; then
3174     pass="no"
3175     if $pkg_config --exists "nettle >= 2.7.1"; then
3176         nettle_cflags=$($pkg_config --cflags nettle)
3177         nettle_libs=$($pkg_config --libs nettle)
3178         nettle_version=$($pkg_config --modversion nettle)
3179         # Link test to make sure the given libraries work (e.g for static).
3180         write_c_skeleton
3181         if compile_prog "" "$nettle_libs" ; then
3182             LIBS="$nettle_libs $LIBS"
3183             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
3184             if test -z "$gcrypt"; then
3185                gcrypt="no"
3186             fi
3187             pass="yes"
3188         fi
3189     fi
3190     if test "$pass" = "yes"
3191     then
3192         cat > $TMPC << EOF
3193 #include <nettle/xts.h>
3194 int main(void) {
3195   return 0;
3196 }
3197 EOF
3198         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3199             nettle_xts=yes
3200             qemu_private_xts=no
3201         fi
3202     fi
3203     if test "$pass" = "no" && test "$nettle" = "yes"; then
3204         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3205     else
3206         nettle="$pass"
3207     fi
3208 fi
3209
3210 if test "$gcrypt" != "no"; then
3211     pass="no"
3212     if has_libgcrypt; then
3213         gcrypt_cflags=$(libgcrypt-config --cflags)
3214         gcrypt_libs=$(libgcrypt-config --libs)
3215         # Debian has removed -lgpg-error from libgcrypt-config
3216         # as it "spreads unnecessary dependencies" which in
3217         # turn breaks static builds...
3218         if test "$static" = "yes"
3219         then
3220             gcrypt_libs="$gcrypt_libs -lgpg-error"
3221         fi
3222
3223         # Link test to make sure the given libraries work (e.g for static).
3224         write_c_skeleton
3225         if compile_prog "" "$gcrypt_libs" ; then
3226             LIBS="$gcrypt_libs $LIBS"
3227             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
3228             pass="yes"
3229         fi
3230     fi
3231     if test "$pass" = "yes"; then
3232         gcrypt="yes"
3233         cat > $TMPC << EOF
3234 #include <gcrypt.h>
3235 int main(void) {
3236   gcry_mac_hd_t handle;
3237   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3238                 GCRY_MAC_FLAG_SECURE, NULL);
3239   return 0;
3240 }
3241 EOF
3242         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3243             gcrypt_hmac=yes
3244         fi
3245         cat > $TMPC << EOF
3246 #include <gcrypt.h>
3247 int main(void) {
3248   gcry_cipher_hd_t handle;
3249   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3250   return 0;
3251 }
3252 EOF
3253         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3254             gcrypt_xts=yes
3255             qemu_private_xts=no
3256         fi
3257     elif test "$gcrypt" = "yes"; then
3258         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3259     else
3260         gcrypt="no"
3261     fi
3262 fi
3263
3264
3265 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3266 then
3267     error_exit "Only one of gcrypt & nettle can be enabled"
3268 fi
3269
3270 ##########################################
3271 # libtasn1 - only for the TLS creds/session test suite
3272
3273 tasn1=yes
3274 tasn1_cflags=""
3275 tasn1_libs=""
3276 if $pkg_config --exists "libtasn1"; then
3277     tasn1_cflags=$($pkg_config --cflags libtasn1)
3278     tasn1_libs=$($pkg_config --libs libtasn1)
3279 else
3280     tasn1=no
3281 fi
3282
3283
3284 ##########################################
3285 # PAM probe
3286
3287 if test "$auth_pam" != "no"; then
3288     cat > $TMPC <<EOF
3289 #include <security/pam_appl.h>
3290 #include <stdio.h>
3291 int main(void) {
3292    const char *service_name = "qemu";
3293    const char *user = "frank";
3294    const struct pam_conv pam_conv = { 0 };
3295    pam_handle_t *pamh = NULL;
3296    pam_start(service_name, user, &pam_conv, &pamh);
3297    return 0;
3298 }
3299 EOF
3300     if compile_prog "" "-lpam" ; then
3301         auth_pam=yes
3302     else
3303         if test "$auth_pam" = "yes"; then
3304             feature_not_found "PAM" "Install PAM development package"
3305         else
3306             auth_pam=no
3307         fi
3308     fi
3309 fi
3310
3311 ##########################################
3312 # getifaddrs (for tests/test-io-channel-socket )
3313
3314 have_ifaddrs_h=yes
3315 if ! check_include "ifaddrs.h" ; then
3316   have_ifaddrs_h=no
3317 fi
3318
3319 #########################################
3320 # libdrm check
3321 have_drm_h=no
3322 if check_include "libdrm/drm.h" ; then
3323     have_drm_h=yes
3324 fi
3325
3326 #########################################
3327 # sys/signal.h check
3328 have_sys_signal_h=no
3329 if check_include "sys/signal.h" ; then
3330   have_sys_signal_h=yes
3331 fi
3332
3333 ##########################################
3334 # VTE probe
3335
3336 if test "$vte" != "no"; then
3337     vteminversion="0.32.0"
3338     if $pkg_config --exists "vte-2.91"; then
3339       vtepackage="vte-2.91"
3340     else
3341       vtepackage="vte-2.90"
3342     fi
3343     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3344         vte_cflags=$($pkg_config --cflags $vtepackage)
3345         vte_libs=$($pkg_config --libs $vtepackage)
3346         vteversion=$($pkg_config --modversion $vtepackage)
3347         vte="yes"
3348     elif test "$vte" = "yes"; then
3349         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3350     else
3351         vte="no"
3352     fi
3353 fi
3354
3355 ##########################################
3356 # SDL probe
3357
3358 # Look for sdl configuration program (pkg-config or sdl2-config).  Try
3359 # sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3360
3361 sdl_probe ()
3362 {
3363   if $pkg_config sdl2 --exists; then
3364     sdlconfig="$pkg_config sdl2"
3365     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3366   elif has "$sdl2_config"; then
3367     sdlconfig="$sdl2_config"
3368     sdlversion=$($sdlconfig --version)
3369   else
3370     if test "$sdl" = "yes" ; then
3371       feature_not_found "sdl" "Install SDL2-devel"
3372     fi
3373     sdl=no
3374     # no need to do the rest
3375     return
3376   fi
3377   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3378     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3379   fi
3380
3381   cat > $TMPC << EOF
3382 #include <SDL.h>
3383 #undef main /* We don't want SDL to override our main() */
3384 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3385 EOF
3386   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3387   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3388   if test "$static" = "yes" ; then
3389     if $pkg_config sdl2 --exists; then
3390       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3391     else
3392       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3393     fi
3394   else
3395     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3396   fi
3397   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3398     sdl=yes
3399
3400     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3401     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3402       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3403          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3404          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3405       fi
3406       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3407         :
3408       else
3409         sdl=no
3410       fi
3411     fi # static link
3412   else # sdl not found
3413     if test "$sdl" = "yes" ; then
3414       feature_not_found "sdl" "Install SDL2 devel"
3415     fi
3416     sdl=no
3417   fi # sdl compile test
3418 }
3419
3420 sdl_image_probe ()
3421 {
3422     if test "$sdl_image" != "no" ; then
3423         if $pkg_config SDL2_image --exists; then
3424             if test "$static" = "yes"; then
3425                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3426             else
3427                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3428             fi
3429             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3430             sdl_image=yes
3431
3432             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3433             sdl_libs="$sdl_libs $sdl_image_libs"
3434         else
3435             if test "$sdl_image" = "yes" ; then
3436                 feature_not_found "sdl_image" "Install SDL Image devel"
3437             else
3438                 sdl_image=no
3439             fi
3440         fi
3441     fi
3442 }
3443
3444 if test "$sdl" != "no" ; then
3445   sdl_probe
3446 fi
3447
3448 if test "$sdl" = "yes" ; then
3449   sdl_image_probe
3450 else
3451   if test "$sdl_image" = "yes"; then
3452     echo "warning: SDL Image requested, but SDL is not available, disabling"
3453   fi
3454   sdl_image=no
3455 fi
3456
3457 if test "$sdl" = "yes" ; then
3458   cat > $TMPC <<EOF
3459 #include <SDL.h>
3460 #if defined(SDL_VIDEO_DRIVER_X11)
3461 #include <X11/XKBlib.h>
3462 #else
3463 #error No x11 support
3464 #endif
3465 int main(void) { return 0; }
3466 EOF
3467   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3468     need_x11=yes
3469     sdl_cflags="$sdl_cflags $x11_cflags"
3470     sdl_libs="$sdl_libs $x11_libs"
3471   fi
3472 fi
3473
3474 ##########################################
3475 # RDMA needs OpenFabrics libraries
3476 if test "$rdma" != "no" ; then
3477   cat > $TMPC <<EOF
3478 #include <rdma/rdma_cma.h>
3479 int main(void) { return 0; }
3480 EOF
3481   rdma_libs="-lrdmacm -libverbs -libumad"
3482   if compile_prog "" "$rdma_libs" ; then
3483     rdma="yes"
3484     libs_softmmu="$libs_softmmu $rdma_libs"
3485   else
3486     if test "$rdma" = "yes" ; then
3487         error_exit \
3488             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3489             " Your options:" \
3490             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3491             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3492             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3493     fi
3494     rdma="no"
3495   fi
3496 fi
3497
3498 ##########################################
3499 # PVRDMA detection
3500
3501 cat > $TMPC <<EOF &&
3502 #include <sys/mman.h>
3503
3504 int
3505 main(void)
3506 {
3507     char buf = 0;
3508     void *addr = &buf;
3509     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3510
3511     return 0;
3512 }
3513 EOF
3514
3515 if test "$rdma" = "yes" ; then
3516     case "$pvrdma" in
3517     "")
3518         if compile_prog "" ""; then
3519             pvrdma="yes"
3520         else
3521             pvrdma="no"
3522         fi
3523         ;;
3524     "yes")
3525         if ! compile_prog "" ""; then
3526             error_exit "PVRDMA is not supported since mremap is not implemented"
3527         fi
3528         pvrdma="yes"
3529         ;;
3530     "no")
3531         pvrdma="no"
3532         ;;
3533     esac
3534 else
3535     if test "$pvrdma" = "yes" ; then
3536         error_exit "PVRDMA requires rdma suppport"
3537     fi
3538     pvrdma="no"
3539 fi
3540
3541 # Let's see if enhanced reg_mr is supported
3542 if test "$pvrdma" = "yes" ; then
3543
3544 cat > $TMPC <<EOF &&
3545 #include <infiniband/verbs.h>
3546
3547 int
3548 main(void)
3549 {
3550     struct ibv_mr *mr;
3551     struct ibv_pd *pd = NULL;
3552     size_t length = 10;
3553     uint64_t iova = 0;
3554     int access = 0;
3555     void *addr = NULL;
3556
3557     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3558
3559     ibv_dereg_mr(mr);
3560
3561     return 0;
3562 }
3563 EOF
3564     if ! compile_prog "" "-libverbs"; then
3565         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3566     fi
3567 fi
3568
3569 ##########################################
3570 # VNC SASL detection
3571 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3572   cat > $TMPC <<EOF
3573 #include <sasl/sasl.h>
3574 #include <stdio.h>
3575 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3576 EOF
3577   # Assuming Cyrus-SASL installed in /usr prefix
3578   # QEMU defines struct iovec in "qemu/osdep.h",
3579   # we don't want libsasl to redefine it in <sasl/sasl.h>.
3580   vnc_sasl_cflags="-DSTRUCT_IOVEC_DEFINED"
3581   vnc_sasl_libs="-lsasl2"
3582   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3583     vnc_sasl=yes
3584     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3585     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3586   else
3587     if test "$vnc_sasl" = "yes" ; then
3588       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3589     fi
3590     vnc_sasl=no
3591   fi
3592 fi
3593
3594 ##########################################
3595 # VNC JPEG detection
3596 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3597 cat > $TMPC <<EOF
3598 #include <stdio.h>
3599 #include <jpeglib.h>
3600 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3601 EOF
3602     vnc_jpeg_cflags=""
3603     vnc_jpeg_libs="-ljpeg"
3604   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3605     vnc_jpeg=yes
3606     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3607     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3608   else
3609     if test "$vnc_jpeg" = "yes" ; then
3610       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3611     fi
3612     vnc_jpeg=no
3613   fi
3614 fi
3615
3616 ##########################################
3617 # VNC PNG detection
3618 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3619 cat > $TMPC <<EOF
3620 //#include <stdio.h>
3621 #include <png.h>
3622 #include <stddef.h>
3623 int main(void) {
3624     png_structp png_ptr;
3625     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3626     return png_ptr != 0;
3627 }
3628 EOF
3629   if $pkg_config libpng --exists; then
3630     vnc_png_cflags=$($pkg_config libpng --cflags)
3631     vnc_png_libs=$($pkg_config libpng --libs)
3632   else
3633     vnc_png_cflags=""
3634     vnc_png_libs="-lpng"
3635   fi
3636   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3637     vnc_png=yes
3638     libs_softmmu="$vnc_png_libs $libs_softmmu"
3639     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3640   else
3641     if test "$vnc_png" = "yes" ; then
3642       feature_not_found "vnc-png" "Install libpng devel"
3643     fi
3644     vnc_png=no
3645   fi
3646 fi
3647
3648 ##########################################
3649 # xkbcommon probe
3650 if test "$xkbcommon" != "no" ; then
3651   if $pkg_config xkbcommon --exists; then
3652     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3653     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3654     xkbcommon=yes
3655   else
3656     if test "$xkbcommon" = "yes" ; then
3657       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3658     fi
3659     xkbcommon=no
3660   fi
3661 fi
3662
3663
3664 ##########################################
3665 # xfsctl() probe, used for file-posix.c
3666 if test "$xfs" != "no" ; then
3667   cat > $TMPC << EOF
3668 #include <stddef.h>  /* NULL */
3669 #include <xfs/xfs.h>
3670 int main(void)
3671 {
3672     xfsctl(NULL, 0, 0, NULL);
3673     return 0;
3674 }
3675 EOF
3676   if compile_prog "" "" ; then
3677     xfs="yes"
3678   else
3679     if test "$xfs" = "yes" ; then
3680       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3681     fi
3682     xfs=no
3683   fi
3684 fi
3685
3686 ##########################################
3687 # vde libraries probe
3688 if test "$vde" != "no" ; then
3689   vde_libs="-lvdeplug"
3690   cat > $TMPC << EOF
3691 #include <libvdeplug.h>
3692 int main(void)
3693 {
3694     struct vde_open_args a = {0, 0, 0};
3695     char s[] = "";
3696     vde_open(s, s, &a);
3697     return 0;
3698 }
3699 EOF
3700   if compile_prog "" "$vde_libs" ; then
3701     vde=yes
3702   else
3703     if test "$vde" = "yes" ; then
3704       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3705     fi
3706     vde=no
3707   fi
3708 fi
3709
3710 ##########################################
3711 # netmap support probe
3712 # Apart from looking for netmap headers, we make sure that the host API version
3713 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3714 # a minor/major version number. Minor new features will be marked with values up
3715 # to 15, and if something happens that requires a change to the backend we will
3716 # move above 15, submit the backend fixes and modify this two bounds.
3717 if test "$netmap" != "no" ; then
3718   cat > $TMPC << EOF
3719 #include <inttypes.h>
3720 #include <net/if.h>
3721 #include <net/netmap.h>
3722 #include <net/netmap_user.h>
3723 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3724 #error
3725 #endif
3726 int main(void) { return 0; }
3727 EOF
3728   if compile_prog "" "" ; then
3729     netmap=yes
3730   else
3731     if test "$netmap" = "yes" ; then
3732       feature_not_found "netmap"
3733     fi
3734     netmap=no
3735   fi
3736 fi
3737
3738 ##########################################
3739 # libcap-ng library probe
3740 if test "$cap_ng" != "no" ; then
3741   cap_libs="-lcap-ng"
3742   cat > $TMPC << EOF
3743 #include <cap-ng.h>
3744 int main(void)
3745 {
3746     capng_capability_to_name(CAPNG_EFFECTIVE);
3747     return 0;
3748 }
3749 EOF
3750   if compile_prog "" "$cap_libs" ; then
3751     cap_ng=yes
3752     libs_tools="$cap_libs $libs_tools"
3753   else
3754     if test "$cap_ng" = "yes" ; then
3755       feature_not_found "cap_ng" "Install libcap-ng devel"
3756     fi
3757     cap_ng=no
3758   fi
3759 fi
3760
3761 ##########################################
3762 # Sound support libraries probe
3763
3764 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3765 for drv in $audio_drv_list; do
3766     case $drv in
3767     alsa | try-alsa)
3768     if $pkg_config alsa --exists; then
3769         alsa_libs=$($pkg_config alsa --libs)
3770         if test "$drv" = "try-alsa"; then
3771             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3772         fi
3773     else
3774         if test "$drv" = "try-alsa"; then
3775             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3776         else
3777             error_exit "$drv check failed" \
3778                 "Make sure to have the $drv libs and headers installed."
3779         fi
3780     fi
3781     ;;
3782
3783     pa | try-pa)
3784     if $pkg_config libpulse --exists; then
3785         pulse_libs=$($pkg_config libpulse --libs)
3786         if test "$drv" = "try-pa"; then
3787             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3788         fi
3789     else
3790         if test "$drv" = "try-pa"; then
3791             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3792         else
3793             error_exit "$drv check failed" \
3794                 "Make sure to have the $drv libs and headers installed."
3795         fi
3796     fi
3797     ;;
3798
3799     sdl)
3800     if test "$sdl" = "no"; then
3801         error_exit "sdl not found or disabled, can not use sdl audio driver"
3802     fi
3803     ;;
3804
3805     try-sdl)
3806     if test "$sdl" = "no"; then
3807         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3808     else
3809         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3810     fi
3811     ;;
3812
3813     coreaudio)
3814       coreaudio_libs="-framework CoreAudio"
3815     ;;
3816
3817     dsound)
3818       dsound_libs="-lole32 -ldxguid"
3819       audio_win_int="yes"
3820     ;;
3821
3822     oss)
3823       oss_libs="$oss_lib"
3824     ;;
3825
3826     jack | try-jack)
3827     if $pkg_config jack --exists; then
3828         jack_libs=$($pkg_config jack --libs)
3829         if test "$drv" = "try-jack"; then
3830             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3831         fi
3832     else
3833         if test "$drv" = "try-jack"; then
3834             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3835         else
3836             error_exit "$drv check failed" \
3837                 "Make sure to have the $drv libs and headers installed."
3838         fi
3839     fi
3840     ;;
3841
3842     *)
3843     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3844         error_exit "Unknown driver '$drv' selected" \
3845             "Possible drivers are: $audio_possible_drivers"
3846     }
3847     ;;
3848     esac
3849 done
3850
3851 ##########################################
3852 # BrlAPI probe
3853
3854 if test "$brlapi" != "no" ; then
3855   brlapi_libs="-lbrlapi"
3856   cat > $TMPC << EOF
3857 #include <brlapi.h>
3858 #include <stddef.h>
3859 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3860 EOF
3861   if compile_prog "" "$brlapi_libs" ; then
3862     brlapi=yes
3863   else
3864     if test "$brlapi" = "yes" ; then
3865       feature_not_found "brlapi" "Install brlapi devel"
3866     fi
3867     brlapi=no
3868   fi
3869 fi
3870
3871 ##########################################
3872 # iconv probe
3873 if test "$iconv" != "no" ; then
3874   cat > $TMPC << EOF
3875 #include <iconv.h>
3876 int main(void) {
3877   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3878   return conv != (iconv_t) -1;
3879 }
3880 EOF
3881   iconv_prefix_list="/usr/local:/usr"
3882   iconv_lib_list=":-liconv"
3883   IFS=:
3884   for iconv_prefix in $iconv_prefix_list; do
3885     IFS=:
3886     iconv_cflags="-I$iconv_prefix/include"
3887     iconv_ldflags="-L$iconv_prefix/lib"
3888     for iconv_link in $iconv_lib_list; do
3889       unset IFS
3890       iconv_lib="$iconv_ldflags $iconv_link"
3891       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3892       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3893         iconv_found=yes
3894         break
3895       fi
3896     done
3897     if test "$iconv_found" = yes ; then
3898       break
3899     fi
3900   done
3901   if test "$iconv_found" = "yes" ; then
3902     iconv=yes
3903   else
3904     if test "$iconv" = "yes" ; then
3905       feature_not_found "iconv" "Install iconv devel"
3906     fi
3907     iconv=no
3908   fi
3909 fi
3910
3911 ##########################################
3912 # curses probe
3913 if test "$iconv" = "no" ; then
3914   # curses will need iconv
3915   curses=no
3916 fi
3917 if test "$curses" != "no" ; then
3918   if test "$mingw32" = "yes" ; then
3919     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3920     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3921   else
3922     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3923     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3924   fi
3925   curses_found=no
3926   cat > $TMPC << EOF
3927 #include <locale.h>
3928 #include <curses.h>
3929 #include <wchar.h>
3930 #include <langinfo.h>
3931 int main(void) {
3932   const char *codeset;
3933   wchar_t wch = L'w';
3934   setlocale(LC_ALL, "");
3935   resize_term(0, 0);
3936   addwstr(L"wide chars\n");
3937   addnwstr(&wch, 1);
3938   add_wch(WACS_DEGREE);
3939   codeset = nl_langinfo(CODESET);
3940   return codeset != 0;
3941 }
3942 EOF
3943   IFS=:
3944   for curses_inc in $curses_inc_list; do
3945     # Make sure we get the wide character prototypes
3946     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3947     IFS=:
3948     for curses_lib in $curses_lib_list; do
3949       unset IFS
3950       if compile_prog "$curses_inc" "$curses_lib" ; then
3951         curses_found=yes
3952         break
3953       fi
3954     done
3955     if test "$curses_found" = yes ; then
3956       break
3957     fi
3958   done
3959   unset IFS
3960   if test "$curses_found" = "yes" ; then
3961     curses=yes
3962   else
3963     if test "$curses" = "yes" ; then
3964       feature_not_found "curses" "Install ncurses devel"
3965     fi
3966     curses=no
3967   fi
3968 fi
3969
3970 ##########################################
3971 # curl probe
3972 if test "$curl" != "no" ; then
3973   if $pkg_config libcurl --exists; then
3974     curlconfig="$pkg_config libcurl"
3975   else
3976     curlconfig=curl-config
3977   fi
3978   cat > $TMPC << EOF
3979 #include <curl/curl.h>
3980 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3981 EOF
3982   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3983   curl_libs=$($curlconfig --libs 2>/dev/null)
3984   if compile_prog "$curl_cflags" "$curl_libs" ; then
3985     curl=yes
3986   else
3987     if test "$curl" = "yes" ; then
3988       feature_not_found "curl" "Install libcurl devel"
3989     fi
3990     curl=no
3991   fi
3992 fi # test "$curl"
3993
3994 ##########################################
3995 # glib support probe
3996
3997 glib_req_ver=2.48
3998 glib_modules=gthread-2.0
3999 if test "$modules" = yes; then
4000     glib_modules="$glib_modules gmodule-export-2.0"
4001 fi
4002 if test "$plugins" = yes; then
4003     glib_modules="$glib_modules gmodule-2.0"
4004 fi
4005
4006 # This workaround is required due to a bug in pkg-config file for glib as it
4007 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
4008
4009 if test "$static" = yes && test "$mingw32" = yes; then
4010     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
4011 fi
4012
4013 for i in $glib_modules; do
4014     if $pkg_config --atleast-version=$glib_req_ver $i; then
4015         glib_cflags=$($pkg_config --cflags $i)
4016         glib_libs=$($pkg_config --libs $i)
4017         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
4018         LIBS="$glib_libs $LIBS"
4019     else
4020         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
4021     fi
4022 done
4023
4024 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
4025     gio=yes
4026     gio_cflags=$($pkg_config --cflags gio-2.0)
4027     gio_libs=$($pkg_config --libs gio-2.0)
4028     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
4029     if [ ! -x "$gdbus_codegen" ]; then
4030         gdbus_codegen=
4031     fi
4032 else
4033     gio=no
4034 fi
4035
4036 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
4037     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
4038     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
4039 fi
4040
4041 # Sanity check that the current size_t matches the
4042 # size that glib thinks it should be. This catches
4043 # problems on multi-arch where people try to build
4044 # 32-bit QEMU while pointing at 64-bit glib headers
4045 cat > $TMPC <<EOF
4046 #include <glib.h>
4047 #include <unistd.h>
4048
4049 #define QEMU_BUILD_BUG_ON(x) \
4050   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
4051
4052 int main(void) {
4053    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
4054    return 0;
4055 }
4056 EOF
4057
4058 if ! compile_prog "$CFLAGS" "$LIBS" ; then
4059     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
4060                "You probably need to set PKG_CONFIG_LIBDIR"\
4061                "to point to the right pkg-config files for your"\
4062                "build target"
4063 fi
4064
4065 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
4066 cat > $TMPC << EOF
4067 #include <glib.h>
4068 int main(void) { return 0; }
4069 EOF
4070 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
4071     if cc_has_warning_flag "-Wno-unknown-attributes"; then
4072         glib_cflags="-Wno-unknown-attributes $glib_cflags"
4073         QEMU_CFLAGS="-Wno-unknown-attributes $CFLAGS"
4074     fi
4075 fi
4076
4077 # Silence clang warnings triggered by glib < 2.57.2
4078 cat > $TMPC << EOF
4079 #include <glib.h>
4080 typedef struct Foo {
4081     int i;
4082 } Foo;
4083 static void foo_free(Foo *f)
4084 {
4085     g_free(f);
4086 }
4087 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
4088 int main(void) { return 0; }
4089 EOF
4090 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
4091     if cc_has_warning_flag "-Wno-unused-function"; then
4092         glib_cflags="$glib_cflags -Wno-unused-function"
4093         CFLAGS="$CFLAGS -Wno-unused-function"
4094     fi
4095 fi
4096
4097 #########################################
4098 # zlib check
4099
4100 if test "$zlib" != "no" ; then
4101     if $pkg_config --exists zlib; then
4102         zlib_cflags=$($pkg_config --cflags zlib)
4103         zlib_libs=$($pkg_config --libs zlib)
4104         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
4105         LIBS="$zlib_libs $LIBS"
4106     else
4107         cat > $TMPC << EOF
4108 #include <zlib.h>
4109 int main(void) { zlibVersion(); return 0; }
4110 EOF
4111         if compile_prog "" "-lz" ; then
4112             zlib_libs=-lz
4113             LIBS="$LIBS $zlib_libs"
4114         else
4115             error_exit "zlib check failed" \
4116                 "Make sure to have the zlib libs and headers installed."
4117         fi
4118     fi
4119 fi
4120
4121 ##########################################
4122 # SHA command probe for modules
4123 if test "$modules" = yes; then
4124     shacmd_probe="sha1sum sha1 shasum"
4125     for c in $shacmd_probe; do
4126         if has $c; then
4127             shacmd="$c"
4128             break
4129         fi
4130     done
4131     if test "$shacmd" = ""; then
4132         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
4133     fi
4134 fi
4135
4136 ##########################################
4137 # pixman support probe
4138
4139 if test "$softmmu" = "no"; then
4140   pixman_cflags=
4141   pixman_libs=
4142 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
4143   pixman_cflags=$($pkg_config --cflags pixman-1)
4144   pixman_libs=$($pkg_config --libs pixman-1)
4145 else
4146   error_exit "pixman >= 0.21.8 not present." \
4147       "Please install the pixman devel package."
4148 fi
4149
4150 ##########################################
4151 # libmpathpersist probe
4152
4153 if test "$mpath" != "no" ; then
4154   # probe for the new API
4155   cat > $TMPC <<EOF
4156 #include <libudev.h>
4157 #include <mpath_persist.h>
4158 unsigned mpath_mx_alloc_len = 1024;
4159 int logsink;
4160 static struct config *multipath_conf;
4161 extern struct udev *udev;
4162 extern struct config *get_multipath_config(void);
4163 extern void put_multipath_config(struct config *conf);
4164 struct udev *udev;
4165 struct config *get_multipath_config(void) { return multipath_conf; }
4166 void put_multipath_config(struct config *conf) { }
4167
4168 int main(void) {
4169     udev = udev_new();
4170     multipath_conf = mpath_lib_init();
4171     return 0;
4172 }
4173 EOF
4174   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4175     mpathpersist=yes
4176     mpathpersist_new_api=yes
4177   else
4178     # probe for the old API
4179     cat > $TMPC <<EOF
4180 #include <libudev.h>
4181 #include <mpath_persist.h>
4182 unsigned mpath_mx_alloc_len = 1024;
4183 int logsink;
4184 int main(void) {
4185     struct udev *udev = udev_new();
4186     mpath_lib_init(udev);
4187     return 0;
4188 }
4189 EOF
4190     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4191       mpathpersist=yes
4192       mpathpersist_new_api=no
4193     else
4194       mpathpersist=no
4195     fi
4196   fi
4197 else
4198   mpathpersist=no
4199 fi
4200
4201 ##########################################
4202 # pthread probe
4203 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
4204
4205 pthread=no
4206 cat > $TMPC << EOF
4207 #include <pthread.h>
4208 static void *f(void *p) { return NULL; }
4209 int main(void) {
4210   pthread_t thread;
4211   pthread_create(&thread, 0, f, 0);
4212   return 0;
4213 }
4214 EOF
4215 if compile_prog "" "" ; then
4216   pthread=yes
4217 else
4218   for pthread_lib in $PTHREADLIBS_LIST; do
4219     if compile_prog "" "$pthread_lib" ; then
4220       pthread=yes
4221       found=no
4222       for lib_entry in $LIBS; do
4223         if test "$lib_entry" = "$pthread_lib"; then
4224           found=yes
4225           break
4226         fi
4227       done
4228       if test "$found" = "no"; then
4229         LIBS="$pthread_lib $LIBS"
4230       fi
4231       PTHREAD_LIB="$pthread_lib"
4232       break
4233     fi
4234   done
4235 fi
4236
4237 if test "$mingw32" != yes && test "$pthread" = no; then
4238   error_exit "pthread check failed" \
4239       "Make sure to have the pthread libs and headers installed."
4240 fi
4241
4242 # check for pthread_setname_np with thread id
4243 pthread_setname_np_w_tid=no
4244 cat > $TMPC << EOF
4245 #include <pthread.h>
4246
4247 static void *f(void *p) { return NULL; }
4248 int main(void)
4249 {
4250     pthread_t thread;
4251     pthread_create(&thread, 0, f, 0);
4252     pthread_setname_np(thread, "QEMU");
4253     return 0;
4254 }
4255 EOF
4256 if compile_prog "" "$pthread_lib" ; then
4257   pthread_setname_np_w_tid=yes
4258 fi
4259
4260 # check for pthread_setname_np without thread id
4261 pthread_setname_np_wo_tid=no
4262 cat > $TMPC << EOF
4263 #include <pthread.h>
4264
4265 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
4266 int main(void)
4267 {
4268     pthread_t thread;
4269     pthread_create(&thread, 0, f, 0);
4270     return 0;
4271 }
4272 EOF
4273 if compile_prog "" "$pthread_lib" ; then
4274   pthread_setname_np_wo_tid=yes
4275 fi
4276
4277 ##########################################
4278 # rbd probe
4279 if test "$rbd" != "no" ; then
4280   cat > $TMPC <<EOF
4281 #include <stdio.h>
4282 #include <rbd/librbd.h>
4283 int main(void) {
4284     rados_t cluster;
4285     rados_create(&cluster, NULL);
4286     return 0;
4287 }
4288 EOF
4289   rbd_libs="-lrbd -lrados"
4290   if compile_prog "" "$rbd_libs" ; then
4291     rbd=yes
4292   else
4293     if test "$rbd" = "yes" ; then
4294       feature_not_found "rados block device" "Install librbd/ceph devel"
4295     fi
4296     rbd=no
4297   fi
4298 fi
4299
4300 ##########################################
4301 # libssh probe
4302 if test "$libssh" != "no" ; then
4303   if $pkg_config --exists libssh; then
4304     libssh_cflags=$($pkg_config libssh --cflags)
4305     libssh_libs=$($pkg_config libssh --libs)
4306     libssh=yes
4307   else
4308     if test "$libssh" = "yes" ; then
4309       error_exit "libssh required for --enable-libssh"
4310     fi
4311     libssh=no
4312   fi
4313 fi
4314
4315 ##########################################
4316 # Check for libssh 0.8
4317 # This is done like this instead of using the LIBSSH_VERSION_* and
4318 # SSH_VERSION_* macros because some distributions in the past shipped
4319 # snapshots of the future 0.8 from Git, and those snapshots did not
4320 # have updated version numbers (still referring to 0.7.0).
4321
4322 if test "$libssh" = "yes"; then
4323   cat > $TMPC <<EOF
4324 #include <libssh/libssh.h>
4325 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4326 EOF
4327   if compile_prog "$libssh_cflags" "$libssh_libs"; then
4328     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4329   fi
4330 fi
4331
4332 ##########################################
4333 # linux-aio probe
4334
4335 if test "$linux_aio" != "no" ; then
4336   cat > $TMPC <<EOF
4337 #include <libaio.h>
4338 #include <sys/eventfd.h>
4339 #include <stddef.h>
4340 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4341 EOF
4342   if compile_prog "" "-laio" ; then
4343     linux_aio=yes
4344   else
4345     if test "$linux_aio" = "yes" ; then
4346       feature_not_found "linux AIO" "Install libaio devel"
4347     fi
4348     linux_aio=no
4349   fi
4350 fi
4351 ##########################################
4352 # linux-io-uring probe
4353
4354 if test "$linux_io_uring" != "no" ; then
4355   if $pkg_config liburing; then
4356     linux_io_uring_cflags=$($pkg_config --cflags liburing)
4357     linux_io_uring_libs=$($pkg_config --libs liburing)
4358     linux_io_uring=yes
4359
4360     # io_uring is used in libqemuutil.a where per-file -libs variables are not
4361     # seen by programs linking the archive.  It's not ideal, but just add the
4362     # library dependency globally.
4363     LIBS="$linux_io_uring_libs $LIBS"
4364   else
4365     if test "$linux_io_uring" = "yes" ; then
4366       feature_not_found "linux io_uring" "Install liburing devel"
4367     fi
4368     linux_io_uring=no
4369   fi
4370 fi
4371
4372 ##########################################
4373 # TPM emulation is only on POSIX
4374
4375 if test "$tpm" = ""; then
4376   if test "$mingw32" = "yes"; then
4377     tpm=no
4378   else
4379     tpm=yes
4380   fi
4381 elif test "$tpm" = "yes"; then
4382   if test "$mingw32" = "yes" ; then
4383     error_exit "TPM emulation only available on POSIX systems"
4384   fi
4385 fi
4386
4387 ##########################################
4388 # attr probe
4389
4390 libattr_libs=
4391 if test "$attr" != "no" ; then
4392   cat > $TMPC <<EOF
4393 #include <stdio.h>
4394 #include <sys/types.h>
4395 #ifdef CONFIG_LIBATTR
4396 #include <attr/xattr.h>
4397 #else
4398 #include <sys/xattr.h>
4399 #endif
4400 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4401 EOF
4402   if compile_prog "" "" ; then
4403     attr=yes
4404   # Older distros have <attr/xattr.h>, and need -lattr:
4405   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4406     attr=yes
4407     libattr_libs="-lattr"
4408     LIBS="$libattr_libs $LIBS"
4409     libattr=yes
4410   else
4411     if test "$attr" = "yes" ; then
4412       feature_not_found "ATTR" "Install libc6 or libattr devel"
4413     fi
4414     attr=no
4415   fi
4416 fi
4417
4418 ##########################################
4419 # iovec probe
4420 cat > $TMPC <<EOF
4421 #include <sys/types.h>
4422 #include <sys/uio.h>
4423 #include <unistd.h>
4424 int main(void) { return sizeof(struct iovec); }
4425 EOF
4426 iovec=no
4427 if compile_prog "" "" ; then
4428   iovec=yes
4429 fi
4430
4431 ##########################################
4432 # preadv probe
4433 cat > $TMPC <<EOF
4434 #include <sys/types.h>
4435 #include <sys/uio.h>
4436 #include <unistd.h>
4437 int main(void) { return preadv(0, 0, 0, 0); }
4438 EOF
4439 preadv=no
4440 if compile_prog "" "" ; then
4441   preadv=yes
4442 fi
4443
4444 ##########################################
4445 # fdt probe
4446 # fdt support is mandatory for at least some target architectures,
4447 # so insist on it if we're building those system emulators.
4448 fdt_required=no
4449 for target in $target_list; do
4450   case $target in
4451     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4452       fdt_required=yes
4453     ;;
4454   esac
4455 done
4456
4457 if test "$fdt_required" = "yes"; then
4458   if test "$fdt" = "no"; then
4459     error_exit "fdt disabled but some requested targets require it." \
4460       "You can turn off fdt only if you also disable all the system emulation" \
4461       "targets which need it (by specifying a cut down --target-list)."
4462   fi
4463   fdt=yes
4464 elif test "$fdt" != "yes" ; then
4465   fdt=no
4466 fi
4467
4468 # fdt is only required when building softmmu targets
4469 if test -z "$fdt" -a "$softmmu" != "yes" ; then
4470     fdt="no"
4471 fi
4472
4473 if test "$fdt" != "no" ; then
4474   fdt_libs="-lfdt"
4475   # explicitly check for libfdt_env.h as it is missing in some stable installs
4476   # and test for required functions to make sure we are on a version >= 1.4.2
4477   cat > $TMPC << EOF
4478 #include <libfdt.h>
4479 #include <libfdt_env.h>
4480 int main(void) { fdt_check_full(NULL, 0); return 0; }
4481 EOF
4482   if compile_prog "" "$fdt_libs" ; then
4483     # system DTC is good - use it
4484     fdt=system
4485   else
4486       # have GIT checkout, so activate dtc submodule
4487       if test -e "${source_path}/.git" ; then
4488           git_submodules="${git_submodules} dtc"
4489       fi
4490       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4491           fdt=git
4492           mkdir -p dtc
4493           if [ "$pwd_is_source_path" != "y" ] ; then
4494               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4495           fi
4496           fdt_cflags="-I${source_path}/dtc/libfdt"
4497           fdt_ldflags="-L$PWD/dtc/libfdt"
4498           fdt_libs="$fdt_libs"
4499       elif test "$fdt" = "yes" ; then
4500           # Not a git build & no libfdt found, prompt for system install
4501           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4502                      "Please install the DTC (libfdt) devel package"
4503       else
4504           # don't have and don't want
4505           fdt_libs=
4506           fdt=no
4507       fi
4508   fi
4509 fi
4510
4511 libs_softmmu="$libs_softmmu $fdt_libs"
4512
4513 ##########################################
4514 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4515
4516 gbm="no"
4517 if $pkg_config gbm; then
4518     gbm_cflags="$($pkg_config --cflags gbm)"
4519     gbm_libs="$($pkg_config --libs gbm)"
4520     gbm="yes"
4521 fi
4522
4523 if test "$opengl" != "no" ; then
4524   opengl_pkgs="epoxy gbm"
4525   if $pkg_config $opengl_pkgs; then
4526     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4527     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4528     opengl=yes
4529     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4530         gtk_gl="yes"
4531     fi
4532     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4533   else
4534     if test "$opengl" = "yes" ; then
4535       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4536     fi
4537     opengl_cflags=""
4538     opengl_libs=""
4539     opengl=no
4540   fi
4541 fi
4542
4543 if test "$opengl" = "yes"; then
4544   cat > $TMPC << EOF
4545 #include <epoxy/egl.h>
4546 #ifndef EGL_MESA_image_dma_buf_export
4547 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4548 #endif
4549 int main(void) { return 0; }
4550 EOF
4551   if compile_prog "" "" ; then
4552     opengl_dmabuf=yes
4553   fi
4554 fi
4555
4556 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4557   for target in $target_list; do
4558     case $target in
4559       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4560         need_x11=yes
4561       ;;
4562     esac
4563   done
4564 fi
4565
4566 ##########################################
4567 # libxml2 probe
4568 if test "$libxml2" != "no" ; then
4569     if $pkg_config --exists libxml-2.0; then
4570         libxml2="yes"
4571         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4572         libxml2_libs=$($pkg_config --libs libxml-2.0)
4573     else
4574         if test "$libxml2" = "yes"; then
4575             feature_not_found "libxml2" "Install libxml2 devel"
4576         fi
4577         libxml2="no"
4578     fi
4579 fi
4580
4581 ##########################################
4582 # glusterfs probe
4583 if test "$glusterfs" != "no" ; then
4584   if $pkg_config --atleast-version=3 glusterfs-api; then
4585     glusterfs="yes"
4586     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4587     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4588     if $pkg_config --atleast-version=4 glusterfs-api; then
4589       glusterfs_xlator_opt="yes"
4590     fi
4591     if $pkg_config --atleast-version=5 glusterfs-api; then
4592       glusterfs_discard="yes"
4593     fi
4594     if $pkg_config --atleast-version=6 glusterfs-api; then
4595       glusterfs_fallocate="yes"
4596       glusterfs_zerofill="yes"
4597     fi
4598     cat > $TMPC << EOF
4599 #include <glusterfs/api/glfs.h>
4600
4601 int
4602 main(void)
4603 {
4604         /* new glfs_ftruncate() passes two additional args */
4605         return glfs_ftruncate(NULL, 0, NULL, NULL);
4606 }
4607 EOF
4608     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4609       glusterfs_ftruncate_has_stat="yes"
4610     fi
4611     cat > $TMPC << EOF
4612 #include <glusterfs/api/glfs.h>
4613
4614 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4615 static void
4616 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4617 {}
4618
4619 int
4620 main(void)
4621 {
4622         glfs_io_cbk iocb = &glusterfs_iocb;
4623         iocb(NULL, 0 , NULL, NULL, NULL);
4624         return 0;
4625 }
4626 EOF
4627     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4628       glusterfs_iocb_has_stat="yes"
4629     fi
4630   else
4631     if test "$glusterfs" = "yes" ; then
4632       feature_not_found "GlusterFS backend support" \
4633           "Install glusterfs-api devel >= 3"
4634     fi
4635     glusterfs="no"
4636   fi
4637 fi
4638
4639 # Check for inotify functions when we are building linux-user
4640 # emulator.  This is done because older glibc versions don't
4641 # have syscall stubs for these implemented.  In that case we
4642 # don't provide them even if kernel supports them.
4643 #
4644 inotify=no
4645 cat > $TMPC << EOF
4646 #include <sys/inotify.h>
4647
4648 int
4649 main(void)
4650 {
4651         /* try to start inotify */
4652         return inotify_init();
4653 }
4654 EOF
4655 if compile_prog "" "" ; then
4656   inotify=yes
4657 fi
4658
4659 inotify1=no
4660 cat > $TMPC << EOF
4661 #include <sys/inotify.h>
4662
4663 int
4664 main(void)
4665 {
4666     /* try to start inotify */
4667     return inotify_init1(0);
4668 }
4669 EOF
4670 if compile_prog "" "" ; then
4671   inotify1=yes
4672 fi
4673
4674 # check if pipe2 is there
4675 pipe2=no
4676 cat > $TMPC << EOF
4677 #include <unistd.h>
4678 #include <fcntl.h>
4679
4680 int main(void)
4681 {
4682     int pipefd[2];
4683     return pipe2(pipefd, O_CLOEXEC);
4684 }
4685 EOF
4686 if compile_prog "" "" ; then
4687   pipe2=yes
4688 fi
4689
4690 # check if accept4 is there
4691 accept4=no
4692 cat > $TMPC << EOF
4693 #include <sys/socket.h>
4694 #include <stddef.h>
4695
4696 int main(void)
4697 {
4698     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4699     return 0;
4700 }
4701 EOF
4702 if compile_prog "" "" ; then
4703   accept4=yes
4704 fi
4705
4706 # check if tee/splice is there. vmsplice was added same time.
4707 splice=no
4708 cat > $TMPC << EOF
4709 #include <unistd.h>
4710 #include <fcntl.h>
4711 #include <limits.h>
4712
4713 int main(void)
4714 {
4715     int len, fd = 0;
4716     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4717     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4718     return 0;
4719 }
4720 EOF
4721 if compile_prog "" "" ; then
4722   splice=yes
4723 fi
4724
4725 ##########################################
4726 # libnuma probe
4727
4728 if test "$numa" != "no" ; then
4729   cat > $TMPC << EOF
4730 #include <numa.h>
4731 int main(void) { return numa_available(); }
4732 EOF
4733
4734   if compile_prog "" "-lnuma" ; then
4735     numa=yes
4736     libs_softmmu="-lnuma $libs_softmmu"
4737   else
4738     if test "$numa" = "yes" ; then
4739       feature_not_found "numa" "install numactl devel"
4740     fi
4741     numa=no
4742   fi
4743 fi
4744
4745 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4746     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4747     exit 1
4748 fi
4749
4750 # Even if malloc_trim() is available, these non-libc memory allocators
4751 # do not support it.
4752 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4753     if test "$malloc_trim" = "yes" ; then
4754         echo "Disabling malloc_trim with non-libc memory allocator"
4755     fi
4756     malloc_trim="no"
4757 fi
4758
4759 #######################################
4760 # malloc_trim
4761
4762 if test "$malloc_trim" != "no" ; then
4763     cat > $TMPC << EOF
4764 #include <malloc.h>
4765 int main(void) { malloc_trim(0); return 0; }
4766 EOF
4767     if compile_prog "" "" ; then
4768         malloc_trim="yes"
4769     else
4770         malloc_trim="no"
4771     fi
4772 fi
4773
4774 ##########################################
4775 # tcmalloc probe
4776
4777 if test "$tcmalloc" = "yes" ; then
4778   cat > $TMPC << EOF
4779 #include <stdlib.h>
4780 int main(void) {
4781     void *tmp = malloc(1);
4782     if (tmp != NULL) {
4783         return 0;
4784     }
4785     return 1;
4786 }
4787 EOF
4788
4789   if compile_prog "" "-ltcmalloc" ; then
4790     LIBS="-ltcmalloc $LIBS"
4791   else
4792     feature_not_found "tcmalloc" "install gperftools devel"
4793   fi
4794 fi
4795
4796 ##########################################
4797 # jemalloc probe
4798
4799 if test "$jemalloc" = "yes" ; then
4800   cat > $TMPC << EOF
4801 #include <stdlib.h>
4802 int main(void) {
4803     void *tmp = malloc(1);
4804     if (tmp != NULL) {
4805         return 0;
4806     }
4807     return 1;
4808 }
4809 EOF
4810
4811   if compile_prog "" "-ljemalloc" ; then
4812     LIBS="-ljemalloc $LIBS"
4813   else
4814     feature_not_found "jemalloc" "install jemalloc devel"
4815   fi
4816 fi
4817
4818 ##########################################
4819 # signalfd probe
4820 signalfd="no"
4821 cat > $TMPC << EOF
4822 #include <unistd.h>
4823 #include <sys/syscall.h>
4824 #include <signal.h>
4825 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4826 EOF
4827
4828 if compile_prog "" "" ; then
4829   signalfd=yes
4830 fi
4831
4832 # check if optreset global is declared by <getopt.h>
4833 optreset="no"
4834 cat > $TMPC << EOF
4835 #include <getopt.h>
4836 int main(void) { return optreset; }
4837 EOF
4838
4839 if compile_prog "" "" ; then
4840   optreset=yes
4841 fi
4842
4843 # check if eventfd is supported
4844 eventfd=no
4845 cat > $TMPC << EOF
4846 #include <sys/eventfd.h>
4847
4848 int main(void)
4849 {
4850     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4851 }
4852 EOF
4853 if compile_prog "" "" ; then
4854   eventfd=yes
4855 fi
4856
4857 # check if memfd is supported
4858 memfd=no
4859 cat > $TMPC << EOF
4860 #include <sys/mman.h>
4861
4862 int main(void)
4863 {
4864     return memfd_create("foo", MFD_ALLOW_SEALING);
4865 }
4866 EOF
4867 if compile_prog "" "" ; then
4868   memfd=yes
4869 fi
4870
4871 # check for usbfs
4872 have_usbfs=no
4873 if test "$linux_user" = "yes"; then
4874   cat > $TMPC << EOF
4875 #include <linux/usbdevice_fs.h>
4876
4877 #ifndef USBDEVFS_GET_CAPABILITIES
4878 #error "USBDEVFS_GET_CAPABILITIES undefined"
4879 #endif
4880
4881 #ifndef USBDEVFS_DISCONNECT_CLAIM
4882 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4883 #endif
4884
4885 int main(void)
4886 {
4887     return 0;
4888 }
4889 EOF
4890   if compile_prog "" ""; then
4891     have_usbfs=yes
4892   fi
4893 fi
4894
4895 # check for fallocate
4896 fallocate=no
4897 cat > $TMPC << EOF
4898 #include <fcntl.h>
4899
4900 int main(void)
4901 {
4902     fallocate(0, 0, 0, 0);
4903     return 0;
4904 }
4905 EOF
4906 if compile_prog "" "" ; then
4907   fallocate=yes
4908 fi
4909
4910 # check for fallocate hole punching
4911 fallocate_punch_hole=no
4912 cat > $TMPC << EOF
4913 #include <fcntl.h>
4914 #include <linux/falloc.h>
4915
4916 int main(void)
4917 {
4918     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4919     return 0;
4920 }
4921 EOF
4922 if compile_prog "" "" ; then
4923   fallocate_punch_hole=yes
4924 fi
4925
4926 # check that fallocate supports range zeroing inside the file
4927 fallocate_zero_range=no
4928 cat > $TMPC << EOF
4929 #include <fcntl.h>
4930 #include <linux/falloc.h>
4931
4932 int main(void)
4933 {
4934     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4935     return 0;
4936 }
4937 EOF
4938 if compile_prog "" "" ; then
4939   fallocate_zero_range=yes
4940 fi
4941
4942 # check for posix_fallocate
4943 posix_fallocate=no
4944 cat > $TMPC << EOF
4945 #include <fcntl.h>
4946
4947 int main(void)
4948 {
4949     posix_fallocate(0, 0, 0);
4950     return 0;
4951 }
4952 EOF
4953 if compile_prog "" "" ; then
4954     posix_fallocate=yes
4955 fi
4956
4957 # check for sync_file_range
4958 sync_file_range=no
4959 cat > $TMPC << EOF
4960 #include <fcntl.h>
4961
4962 int main(void)
4963 {
4964     sync_file_range(0, 0, 0, 0);
4965     return 0;
4966 }
4967 EOF
4968 if compile_prog "" "" ; then
4969   sync_file_range=yes
4970 fi
4971
4972 # check for linux/fiemap.h and FS_IOC_FIEMAP
4973 fiemap=no
4974 cat > $TMPC << EOF
4975 #include <sys/ioctl.h>
4976 #include <linux/fs.h>
4977 #include <linux/fiemap.h>
4978
4979 int main(void)
4980 {
4981     ioctl(0, FS_IOC_FIEMAP, 0);
4982     return 0;
4983 }
4984 EOF
4985 if compile_prog "" "" ; then
4986   fiemap=yes
4987 fi
4988
4989 # check for dup3
4990 dup3=no
4991 cat > $TMPC << EOF
4992 #include <unistd.h>
4993
4994 int main(void)
4995 {
4996     dup3(0, 0, 0);
4997     return 0;
4998 }
4999 EOF
5000 if compile_prog "" "" ; then
5001   dup3=yes
5002 fi
5003
5004 # check for ppoll support
5005 ppoll=no
5006 cat > $TMPC << EOF
5007 #include <poll.h>
5008
5009 int main(void)
5010 {
5011     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
5012     ppoll(&pfd, 1, 0, 0);
5013     return 0;
5014 }
5015 EOF
5016 if compile_prog "" "" ; then
5017   ppoll=yes
5018 fi
5019
5020 # check for prctl(PR_SET_TIMERSLACK , ... ) support
5021 prctl_pr_set_timerslack=no
5022 cat > $TMPC << EOF
5023 #include <sys/prctl.h>
5024
5025 int main(void)
5026 {
5027     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
5028     return 0;
5029 }
5030 EOF
5031 if compile_prog "" "" ; then
5032   prctl_pr_set_timerslack=yes
5033 fi
5034
5035 # check for epoll support
5036 epoll=no
5037 cat > $TMPC << EOF
5038 #include <sys/epoll.h>
5039
5040 int main(void)
5041 {
5042     epoll_create(0);
5043     return 0;
5044 }
5045 EOF
5046 if compile_prog "" "" ; then
5047   epoll=yes
5048 fi
5049
5050 # epoll_create1 is a later addition
5051 # so we must check separately for its presence
5052 epoll_create1=no
5053 cat > $TMPC << EOF
5054 #include <sys/epoll.h>
5055
5056 int main(void)
5057 {
5058     /* Note that we use epoll_create1 as a value, not as
5059      * a function being called. This is necessary so that on
5060      * old SPARC glibc versions where the function was present in
5061      * the library but not declared in the header file we will
5062      * fail the configure check. (Otherwise we will get a compiler
5063      * warning but not an error, and will proceed to fail the
5064      * qemu compile where we compile with -Werror.)
5065      */
5066     return (int)(uintptr_t)&epoll_create1;
5067 }
5068 EOF
5069 if compile_prog "" "" ; then
5070   epoll_create1=yes
5071 fi
5072
5073 # check for sendfile support
5074 sendfile=no
5075 cat > $TMPC << EOF
5076 #include <sys/sendfile.h>
5077
5078 int main(void)
5079 {
5080     return sendfile(0, 0, 0, 0);
5081 }
5082 EOF
5083 if compile_prog "" "" ; then
5084   sendfile=yes
5085 fi
5086
5087 # check for timerfd support (glibc 2.8 and newer)
5088 timerfd=no
5089 cat > $TMPC << EOF
5090 #include <sys/timerfd.h>
5091
5092 int main(void)
5093 {
5094     return(timerfd_create(CLOCK_REALTIME, 0));
5095 }
5096 EOF
5097 if compile_prog "" "" ; then
5098   timerfd=yes
5099 fi
5100
5101 # check for setns and unshare support
5102 setns=no
5103 cat > $TMPC << EOF
5104 #include <sched.h>
5105
5106 int main(void)
5107 {
5108     int ret;
5109     ret = setns(0, 0);
5110     ret = unshare(0);
5111     return ret;
5112 }
5113 EOF
5114 if compile_prog "" "" ; then
5115   setns=yes
5116 fi
5117
5118 # clock_adjtime probe
5119 clock_adjtime=no
5120 cat > $TMPC <<EOF
5121 #include <time.h>
5122
5123 int main(void)
5124 {
5125     return clock_adjtime(0, 0);
5126 }
5127 EOF
5128 clock_adjtime=no
5129 if compile_prog "" "" ; then
5130   clock_adjtime=yes
5131 fi
5132
5133 # syncfs probe
5134 syncfs=no
5135 cat > $TMPC <<EOF
5136 #include <unistd.h>
5137
5138 int main(void)
5139 {
5140     return syncfs(0);
5141 }
5142 EOF
5143 syncfs=no
5144 if compile_prog "" "" ; then
5145   syncfs=yes
5146 fi
5147
5148 # check for kcov support (kernel must be 4.4+, compiled with certain options)
5149 kcov=no
5150 if check_include sys/kcov.h ; then
5151     kcov=yes
5152 fi
5153
5154 # If we're making warnings fatal, apply this to Sphinx runs as well
5155 sphinx_werror=""
5156 if test "$werror" = "yes"; then
5157     sphinx_werror="-W"
5158 fi
5159
5160 # Check we have a new enough version of sphinx-build
5161 has_sphinx_build() {
5162     # This is a bit awkward but works: create a trivial document and
5163     # try to run it with our configuration file (which enforces a
5164     # version requirement). This will fail if either
5165     # sphinx-build doesn't exist at all or if it is too old.
5166     mkdir -p "$TMPDIR1/sphinx"
5167     touch "$TMPDIR1/sphinx/index.rst"
5168     "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
5169                     -b html "$TMPDIR1/sphinx" \
5170                     "$TMPDIR1/sphinx/out"  >> config.log 2>&1
5171 }
5172
5173 # Check if tools are available to build documentation.
5174 if test "$docs" != "no" ; then
5175   if has_sphinx_build; then
5176     sphinx_ok=yes
5177   else
5178     sphinx_ok=no
5179   fi
5180   if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
5181     docs=yes
5182   else
5183     if test "$docs" = "yes" ; then
5184       if has $sphinx_build && test "$sphinx_ok" != "yes"; then
5185         echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
5186       fi
5187       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
5188     fi
5189     docs=no
5190   fi
5191 fi
5192
5193 # Search for bswap_32 function
5194 byteswap_h=no
5195 cat > $TMPC << EOF
5196 #include <byteswap.h>
5197 int main(void) { return bswap_32(0); }
5198 EOF
5199 if compile_prog "" "" ; then
5200   byteswap_h=yes
5201 fi
5202
5203 # Search for bswap32 function
5204 bswap_h=no
5205 cat > $TMPC << EOF
5206 #include <sys/endian.h>
5207 #include <sys/types.h>
5208 #include <machine/bswap.h>
5209 int main(void) { return bswap32(0); }
5210 EOF
5211 if compile_prog "" "" ; then
5212   bswap_h=yes
5213 fi
5214
5215 ##########################################
5216 # Do we have libiscsi >= 1.9.0
5217 if test "$libiscsi" != "no" ; then
5218   if $pkg_config --atleast-version=1.9.0 libiscsi; then
5219     libiscsi="yes"
5220     libiscsi_cflags=$($pkg_config --cflags libiscsi)
5221     libiscsi_libs=$($pkg_config --libs libiscsi)
5222   else
5223     if test "$libiscsi" = "yes" ; then
5224       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
5225     fi
5226     libiscsi="no"
5227   fi
5228 fi
5229
5230 ##########################################
5231 # Do we need libm
5232 cat > $TMPC << EOF
5233 #include <math.h>
5234 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
5235 EOF
5236 if compile_prog "" "" ; then
5237   :
5238 elif compile_prog "" "-lm" ; then
5239   LIBS="-lm $LIBS"
5240 else
5241   error_exit "libm check failed"
5242 fi
5243
5244 ##########################################
5245 # Do we need librt
5246 # uClibc provides 2 versions of clock_gettime(), one with realtime
5247 # support and one without. This means that the clock_gettime() don't
5248 # need -lrt. We still need it for timer_create() so we check for this
5249 # function in addition.
5250 cat > $TMPC <<EOF
5251 #include <signal.h>
5252 #include <time.h>
5253 int main(void) {
5254   timer_create(CLOCK_REALTIME, NULL, NULL);
5255   return clock_gettime(CLOCK_REALTIME, NULL);
5256 }
5257 EOF
5258
5259 if compile_prog "" "" ; then
5260   :
5261 # we need pthread for static linking. use previous pthread test result
5262 elif compile_prog "" "$pthread_lib -lrt" ; then
5263   LIBS="$LIBS -lrt"
5264 fi
5265
5266 # Check whether we need to link libutil for openpty()
5267 cat > $TMPC << EOF
5268 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
5269 int main(void) { return openpty(0, 0, 0, 0, 0); }
5270 EOF
5271
5272 have_openpty="no"
5273 if compile_prog "" "" ; then
5274   have_openpty="yes"
5275 else
5276   if compile_prog "" "-lutil" ; then
5277     libs_softmmu="-lutil $libs_softmmu"
5278     libs_tools="-lutil $libs_tools"
5279     have_openpty="yes"
5280   fi
5281 fi
5282
5283 ##########################################
5284 # spice probe
5285 if test "$spice" != "no" ; then
5286   cat > $TMPC << EOF
5287 #include <spice.h>
5288 int main(void) { spice_server_new(); return 0; }
5289 EOF
5290   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
5291   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
5292   if $pkg_config --atleast-version=0.12.5 spice-server && \
5293      $pkg_config --atleast-version=0.12.3 spice-protocol && \
5294      compile_prog "$spice_cflags" "$spice_libs" ; then
5295     spice="yes"
5296     libs_softmmu="$libs_softmmu $spice_libs"
5297     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
5298   else
5299     if test "$spice" = "yes" ; then
5300       feature_not_found "spice" \
5301           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
5302     fi
5303     spice="no"
5304   fi
5305 fi
5306
5307 # check for smartcard support
5308 if test "$smartcard" != "no"; then
5309     if $pkg_config --atleast-version=2.5.1 libcacard; then
5310         libcacard_cflags=$($pkg_config --cflags libcacard)
5311         libcacard_libs=$($pkg_config --libs libcacard)
5312         smartcard="yes"
5313     else
5314         if test "$smartcard" = "yes"; then
5315             feature_not_found "smartcard" "Install libcacard devel"
5316         fi
5317         smartcard="no"
5318     fi
5319 fi
5320
5321 # check for libusb
5322 if test "$libusb" != "no" ; then
5323     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
5324         libusb="yes"
5325         libusb_cflags=$($pkg_config --cflags libusb-1.0)
5326         libusb_libs=$($pkg_config --libs libusb-1.0)
5327     else
5328         if test "$libusb" = "yes"; then
5329             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5330         fi
5331         libusb="no"
5332     fi
5333 fi
5334
5335 # check for usbredirparser for usb network redirection support
5336 if test "$usb_redir" != "no" ; then
5337     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5338         usb_redir="yes"
5339         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5340         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5341     else
5342         if test "$usb_redir" = "yes"; then
5343             feature_not_found "usb-redir" "Install usbredir devel"
5344         fi
5345         usb_redir="no"
5346     fi
5347 fi
5348
5349 ##########################################
5350 # check if we have VSS SDK headers for win
5351
5352 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5353         test "$vss_win32_sdk" != "no" ; then
5354   case "$vss_win32_sdk" in
5355     "")   vss_win32_include="-isystem $source_path" ;;
5356     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5357           # handle path with spaces. So we symlink the headers into ".sdk/vss".
5358           vss_win32_include="-isystem $source_path/.sdk/vss"
5359           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5360           ;;
5361     *)    vss_win32_include="-isystem $vss_win32_sdk"
5362   esac
5363   cat > $TMPC << EOF
5364 #define __MIDL_user_allocate_free_DEFINED__
5365 #include <inc/win2003/vss.h>
5366 int main(void) { return VSS_CTX_BACKUP; }
5367 EOF
5368   if compile_prog "$vss_win32_include" "" ; then
5369     guest_agent_with_vss="yes"
5370     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5371     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5372     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5373   else
5374     if test "$vss_win32_sdk" != "" ; then
5375       echo "ERROR: Please download and install Microsoft VSS SDK:"
5376       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5377       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5378       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5379       echo "ERROR: The headers are extracted in the directory \`inc'."
5380       feature_not_found "VSS support"
5381     fi
5382     guest_agent_with_vss="no"
5383   fi
5384 fi
5385
5386 ##########################################
5387 # lookup Windows platform SDK (if not specified)
5388 # The SDK is needed only to build .tlb (type library) file of guest agent
5389 # VSS provider from the source. It is usually unnecessary because the
5390 # pre-compiled .tlb file is included.
5391
5392 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5393         test "$guest_agent_with_vss" = "yes" ; then
5394   if test -z "$win_sdk"; then
5395     programfiles="$PROGRAMFILES"
5396     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5397     if test -n "$programfiles"; then
5398       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5399     else
5400       feature_not_found "Windows SDK"
5401     fi
5402   elif test "$win_sdk" = "no"; then
5403     win_sdk=""
5404   fi
5405 fi
5406
5407 ##########################################
5408 # check if mingw environment provides a recent ntddscsi.h
5409 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5410   cat > $TMPC << EOF
5411 #include <windows.h>
5412 #include <ntddscsi.h>
5413 int main(void) {
5414 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5415 #error Missing required ioctl definitions
5416 #endif
5417   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5418   return addr.Lun;
5419 }
5420 EOF
5421   if compile_prog "" "" ; then
5422     guest_agent_ntddscsi=yes
5423     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5424   fi
5425 fi
5426
5427 ##########################################
5428 # virgl renderer probe
5429
5430 if test "$virglrenderer" != "no" ; then
5431   cat > $TMPC << EOF
5432 #include <virglrenderer.h>
5433 int main(void) { virgl_renderer_poll(); return 0; }
5434 EOF
5435   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5436   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5437   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5438   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5439      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5440     virglrenderer="yes"
5441   else
5442     if test "$virglrenderer" = "yes" ; then
5443       feature_not_found "virglrenderer"
5444     fi
5445     virglrenderer="no"
5446   fi
5447 fi
5448
5449 ##########################################
5450 # capstone
5451
5452 case "$capstone" in
5453   "" | yes)
5454     if $pkg_config capstone; then
5455       capstone=system
5456     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5457       capstone=git
5458     elif test -e "${source_path}/capstone/Makefile" ; then
5459       capstone=internal
5460     elif test -z "$capstone" ; then
5461       capstone=no
5462     else
5463       feature_not_found "capstone" "Install capstone devel or git submodule"
5464     fi
5465     ;;
5466
5467   system)
5468     if ! $pkg_config capstone; then
5469       feature_not_found "capstone" "Install capstone devel"
5470     fi
5471     ;;
5472 esac
5473
5474 case "$capstone" in
5475   git | internal)
5476     if test "$capstone" = git; then
5477       git_submodules="${git_submodules} capstone"
5478     fi
5479     mkdir -p capstone
5480     QEMU_CFLAGS="$QEMU_CFLAGS -I${source_path}/capstone/include"
5481     if test "$mingw32" = "yes"; then
5482       LIBCAPSTONE=capstone.lib
5483     else
5484       LIBCAPSTONE=libcapstone.a
5485     fi
5486     libs_cpu="-L$PWD/capstone -lcapstone $libs_cpu"
5487     ;;
5488
5489   system)
5490     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5491     libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5492     ;;
5493
5494   no)
5495     ;;
5496   *)
5497     error_exit "Unknown state for capstone: $capstone"
5498     ;;
5499 esac
5500
5501 ##########################################
5502 # check if we have fdatasync
5503
5504 fdatasync=no
5505 cat > $TMPC << EOF
5506 #include <unistd.h>
5507 int main(void) {
5508 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5509 return fdatasync(0);
5510 #else
5511 #error Not supported
5512 #endif
5513 }
5514 EOF
5515 if compile_prog "" "" ; then
5516     fdatasync=yes
5517 fi
5518
5519 ##########################################
5520 # check if we have madvise
5521
5522 madvise=no
5523 cat > $TMPC << EOF
5524 #include <sys/types.h>
5525 #include <sys/mman.h>
5526 #include <stddef.h>
5527 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5528 EOF
5529 if compile_prog "" "" ; then
5530     madvise=yes
5531 fi
5532
5533 ##########################################
5534 # check if we have posix_madvise
5535
5536 posix_madvise=no
5537 cat > $TMPC << EOF
5538 #include <sys/mman.h>
5539 #include <stddef.h>
5540 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5541 EOF
5542 if compile_prog "" "" ; then
5543     posix_madvise=yes
5544 fi
5545
5546 ##########################################
5547 # check if we have posix_memalign()
5548
5549 posix_memalign=no
5550 cat > $TMPC << EOF
5551 #include <stdlib.h>
5552 int main(void) {
5553     void *p;
5554     return posix_memalign(&p, 8, 8);
5555 }
5556 EOF
5557 if compile_prog "" "" ; then
5558     posix_memalign=yes
5559 fi
5560
5561 ##########################################
5562 # check if we have posix_syslog
5563
5564 posix_syslog=no
5565 cat > $TMPC << EOF
5566 #include <syslog.h>
5567 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5568 EOF
5569 if compile_prog "" "" ; then
5570     posix_syslog=yes
5571 fi
5572
5573 ##########################################
5574 # check if we have sem_timedwait
5575
5576 sem_timedwait=no
5577 cat > $TMPC << EOF
5578 #include <semaphore.h>
5579 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5580 EOF
5581 if compile_prog "" "" ; then
5582     sem_timedwait=yes
5583 fi
5584
5585 ##########################################
5586 # check if we have strchrnul
5587
5588 strchrnul=no
5589 cat > $TMPC << EOF
5590 #include <string.h>
5591 int main(void);
5592 // Use a haystack that the compiler shouldn't be able to constant fold
5593 char *haystack = (char*)&main;
5594 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5595 EOF
5596 if compile_prog "" "" ; then
5597     strchrnul=yes
5598 fi
5599
5600 #########################################
5601 # check if we have st_atim
5602
5603 st_atim=no
5604 cat > $TMPC << EOF
5605 #include <sys/stat.h>
5606 #include <stddef.h>
5607 int main(void) { return offsetof(struct stat, st_atim); }
5608 EOF
5609 if compile_prog "" "" ; then
5610     st_atim=yes
5611 fi
5612
5613 ##########################################
5614 # check if trace backend exists
5615
5616 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5617 if test "$?" -ne 0 ; then
5618   error_exit "invalid trace backends" \
5619       "Please choose supported trace backends."
5620 fi
5621
5622 ##########################################
5623 # For 'ust' backend, test if ust headers are present
5624 if have_backend "ust"; then
5625   cat > $TMPC << EOF
5626 #include <lttng/tracepoint.h>
5627 int main(void) { return 0; }
5628 EOF
5629   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5630     if $pkg_config lttng-ust --exists; then
5631       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5632     else
5633       lttng_ust_libs="-llttng-ust -ldl"
5634     fi
5635     if $pkg_config liburcu-bp --exists; then
5636       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5637     else
5638       urcu_bp_libs="-lurcu-bp"
5639     fi
5640
5641     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5642   else
5643     error_exit "Trace backend 'ust' missing lttng-ust header files"
5644   fi
5645 fi
5646
5647 ##########################################
5648 # For 'dtrace' backend, test if 'dtrace' command is present
5649 if have_backend "dtrace"; then
5650   if ! has 'dtrace' ; then
5651     error_exit "dtrace command is not found in PATH $PATH"
5652   fi
5653   trace_backend_stap="no"
5654   if has 'stap' ; then
5655     trace_backend_stap="yes"
5656   fi
5657 fi
5658
5659 ##########################################
5660 # check and set a backend for coroutine
5661
5662 # We prefer ucontext, but it's not always possible. The fallback
5663 # is sigcontext. On Windows the only valid backend is the Windows
5664 # specific one.
5665
5666 ucontext_works=no
5667 if test "$darwin" != "yes"; then
5668   cat > $TMPC << EOF
5669 #include <ucontext.h>
5670 #ifdef __stub_makecontext
5671 #error Ignoring glibc stub makecontext which will always fail
5672 #endif
5673 int main(void) { makecontext(0, 0, 0); return 0; }
5674 EOF
5675   if compile_prog "" "" ; then
5676     ucontext_works=yes
5677   fi
5678 fi
5679
5680 if test "$coroutine" = ""; then
5681   if test "$mingw32" = "yes"; then
5682     coroutine=win32
5683   elif test "$ucontext_works" = "yes"; then
5684     coroutine=ucontext
5685   else
5686     coroutine=sigaltstack
5687   fi
5688 else
5689   case $coroutine in
5690   windows)
5691     if test "$mingw32" != "yes"; then
5692       error_exit "'windows' coroutine backend only valid for Windows"
5693     fi
5694     # Unfortunately the user visible backend name doesn't match the
5695     # coroutine-*.c filename for this case, so we have to adjust it here.
5696     coroutine=win32
5697     ;;
5698   ucontext)
5699     if test "$ucontext_works" != "yes"; then
5700       feature_not_found "ucontext"
5701     fi
5702     ;;
5703   sigaltstack)
5704     if test "$mingw32" = "yes"; then
5705       error_exit "only the 'windows' coroutine backend is valid for Windows"
5706     fi
5707     ;;
5708   *)
5709     error_exit "unknown coroutine backend $coroutine"
5710     ;;
5711   esac
5712 fi
5713
5714 if test "$coroutine_pool" = ""; then
5715   coroutine_pool=yes
5716 fi
5717
5718 if test "$debug_stack_usage" = "yes"; then
5719   if test "$coroutine_pool" = "yes"; then
5720     echo "WARN: disabling coroutine pool for stack usage debugging"
5721     coroutine_pool=no
5722   fi
5723 fi
5724
5725 ##################################################
5726 # SafeStack
5727
5728
5729 if test "$safe_stack" = "yes"; then
5730 cat > $TMPC << EOF
5731 int main(int argc, char *argv[])
5732 {
5733 #if ! __has_feature(safe_stack)
5734 #error SafeStack Disabled
5735 #endif
5736     return 0;
5737 }
5738 EOF
5739   flag="-fsanitize=safe-stack"
5740   # Check that safe-stack is supported and enabled.
5741   if compile_prog "-Werror $flag" "$flag"; then
5742     # Flag needed both at compilation and at linking
5743     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5744     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5745   else
5746     error_exit "SafeStack not supported by your compiler"
5747   fi
5748   if test "$coroutine" != "ucontext"; then
5749     error_exit "SafeStack is only supported by the coroutine backend ucontext"
5750   fi
5751 else
5752 cat > $TMPC << EOF
5753 int main(int argc, char *argv[])
5754 {
5755 #if defined(__has_feature)
5756 #if __has_feature(safe_stack)
5757 #error SafeStack Enabled
5758 #endif
5759 #endif
5760     return 0;
5761 }
5762 EOF
5763 if test "$safe_stack" = "no"; then
5764   # Make sure that safe-stack is disabled
5765   if ! compile_prog "-Werror" ""; then
5766     # SafeStack was already enabled, try to explicitly remove the feature
5767     flag="-fno-sanitize=safe-stack"
5768     if ! compile_prog "-Werror $flag" "$flag"; then
5769       error_exit "Configure cannot disable SafeStack"
5770     fi
5771     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5772     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5773   fi
5774 else # "$safe_stack" = ""
5775   # Set safe_stack to yes or no based on pre-existing flags
5776   if compile_prog "-Werror" ""; then
5777     safe_stack="no"
5778   else
5779     safe_stack="yes"
5780     if test "$coroutine" != "ucontext"; then
5781       error_exit "SafeStack is only supported by the coroutine backend ucontext"
5782     fi
5783   fi
5784 fi
5785 fi
5786
5787 ##########################################
5788 # check if we have open_by_handle_at
5789
5790 open_by_handle_at=no
5791 cat > $TMPC << EOF
5792 #include <fcntl.h>
5793 #if !defined(AT_EMPTY_PATH)
5794 # error missing definition
5795 #else
5796 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5797 #endif
5798 EOF
5799 if compile_prog "" "" ; then
5800     open_by_handle_at=yes
5801 fi
5802
5803 ########################################
5804 # check if we have linux/magic.h
5805
5806 linux_magic_h=no
5807 cat > $TMPC << EOF
5808 #include <linux/magic.h>
5809 int main(void) {
5810   return 0;
5811 }
5812 EOF
5813 if compile_prog "" "" ; then
5814     linux_magic_h=yes
5815 fi
5816
5817 ########################################
5818 # check if we have valgrind/valgrind.h
5819
5820 valgrind_h=no
5821 cat > $TMPC << EOF
5822 #include <valgrind/valgrind.h>
5823 int main(void) {
5824   return 0;
5825 }
5826 EOF
5827 if compile_prog "" "" ; then
5828     valgrind_h=yes
5829 fi
5830
5831 ########################################
5832 # check if environ is declared
5833
5834 has_environ=no
5835 cat > $TMPC << EOF
5836 #include <unistd.h>
5837 int main(void) {
5838     environ = 0;
5839     return 0;
5840 }
5841 EOF
5842 if compile_prog "" "" ; then
5843     has_environ=yes
5844 fi
5845
5846 ########################################
5847 # check if cpuid.h is usable.
5848
5849 cat > $TMPC << EOF
5850 #include <cpuid.h>
5851 int main(void) {
5852     unsigned a, b, c, d;
5853     int max = __get_cpuid_max(0, 0);
5854
5855     if (max >= 1) {
5856         __cpuid(1, a, b, c, d);
5857     }
5858
5859     if (max >= 7) {
5860         __cpuid_count(7, 0, a, b, c, d);
5861     }
5862
5863     return 0;
5864 }
5865 EOF
5866 if compile_prog "" "" ; then
5867     cpuid_h=yes
5868 fi
5869
5870 ##########################################
5871 # avx2 optimization requirement check
5872 #
5873 # There is no point enabling this if cpuid.h is not usable,
5874 # since we won't be able to select the new routines.
5875
5876 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5877   cat > $TMPC << EOF
5878 #pragma GCC push_options
5879 #pragma GCC target("avx2")
5880 #include <cpuid.h>
5881 #include <immintrin.h>
5882 static int bar(void *a) {
5883     __m256i x = *(__m256i *)a;
5884     return _mm256_testz_si256(x, x);
5885 }
5886 int main(int argc, char *argv[]) { return bar(argv[0]); }
5887 EOF
5888   if compile_object "" ; then
5889     avx2_opt="yes"
5890   else
5891     avx2_opt="no"
5892   fi
5893 fi
5894
5895 ##########################################
5896 # avx512f optimization requirement check
5897 #
5898 # There is no point enabling this if cpuid.h is not usable,
5899 # since we won't be able to select the new routines.
5900 # by default, it is turned off.
5901 # if user explicitly want to enable it, check environment
5902
5903 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5904   cat > $TMPC << EOF
5905 #pragma GCC push_options
5906 #pragma GCC target("avx512f")
5907 #include <cpuid.h>
5908 #include <immintrin.h>
5909 static int bar(void *a) {
5910     __m512i x = *(__m512i *)a;
5911     return _mm512_test_epi64_mask(x, x);
5912 }
5913 int main(int argc, char *argv[])
5914 {
5915         return bar(argv[0]);
5916 }
5917 EOF
5918   if ! compile_object "" ; then
5919     avx512f_opt="no"
5920   fi
5921 else
5922   avx512f_opt="no"
5923 fi
5924
5925 ########################################
5926 # check if __[u]int128_t is usable.
5927
5928 int128=no
5929 cat > $TMPC << EOF
5930 __int128_t a;
5931 __uint128_t b;
5932 int main (void) {
5933   a = a + b;
5934   b = a * b;
5935   a = a * a;
5936   return 0;
5937 }
5938 EOF
5939 if compile_prog "" "" ; then
5940     int128=yes
5941 fi
5942
5943 #########################################
5944 # See if 128-bit atomic operations are supported.
5945
5946 atomic128=no
5947 if test "$int128" = "yes"; then
5948   cat > $TMPC << EOF
5949 int main(void)
5950 {
5951   unsigned __int128 x = 0, y = 0;
5952   y = __atomic_load_16(&x, 0);
5953   __atomic_store_16(&x, y, 0);
5954   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5955   return 0;
5956 }
5957 EOF
5958   if compile_prog "" "" ; then
5959     atomic128=yes
5960   fi
5961 fi
5962
5963 cmpxchg128=no
5964 if test "$int128" = yes && test "$atomic128" = no; then
5965   cat > $TMPC << EOF
5966 int main(void)
5967 {
5968   unsigned __int128 x = 0, y = 0;
5969   __sync_val_compare_and_swap_16(&x, y, x);
5970   return 0;
5971 }
5972 EOF
5973   if compile_prog "" "" ; then
5974     cmpxchg128=yes
5975   fi
5976 fi
5977
5978 #########################################
5979 # See if 64-bit atomic operations are supported.
5980 # Note that without __atomic builtins, we can only
5981 # assume atomic loads/stores max at pointer size.
5982
5983 cat > $TMPC << EOF
5984 #include <stdint.h>
5985 int main(void)
5986 {
5987   uint64_t x = 0, y = 0;
5988 #ifdef __ATOMIC_RELAXED
5989   y = __atomic_load_8(&x, 0);
5990   __atomic_store_8(&x, y, 0);
5991   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5992   __atomic_exchange_8(&x, y, 0);
5993   __atomic_fetch_add_8(&x, y, 0);
5994 #else
5995   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5996   __sync_lock_test_and_set(&x, y);
5997   __sync_val_compare_and_swap(&x, y, 0);
5998   __sync_fetch_and_add(&x, y);
5999 #endif
6000   return 0;
6001 }
6002 EOF
6003 if compile_prog "" "" ; then
6004   atomic64=yes
6005 fi
6006
6007 #########################################
6008 # See if --dynamic-list is supported by the linker
6009 ld_dynamic_list="no"
6010 if test "$static" = "no" ; then
6011     cat > $TMPTXT <<EOF
6012 {
6013   foo;
6014 };
6015 EOF
6016
6017     cat > $TMPC <<EOF
6018 #include <stdio.h>
6019 void foo(void);
6020
6021 void foo(void)
6022 {
6023   printf("foo\n");
6024 }
6025
6026 int main(void)
6027 {
6028   foo();
6029   return 0;
6030 }
6031 EOF
6032
6033     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
6034         ld_dynamic_list="yes"
6035     fi
6036 fi
6037
6038 #########################################
6039 # See if -exported_symbols_list is supported by the linker
6040
6041 ld_exported_symbols_list="no"
6042 if test "$static" = "no" ; then
6043     cat > $TMPTXT <<EOF
6044   _foo
6045 EOF
6046
6047     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
6048         ld_exported_symbols_list="yes"
6049     fi
6050 fi
6051
6052 if  test "$plugins" = "yes" &&
6053     test "$ld_dynamic_list" = "no" &&
6054     test "$ld_exported_symbols_list" = "no" ; then
6055   error_exit \
6056       "Plugin support requires dynamic linking and specifying a set of symbols " \
6057       "that are exported to plugins. Unfortunately your linker doesn't " \
6058       "support the flag (--dynamic-list or -exported_symbols_list) used " \
6059       "for this purpose. You can't build with --static."
6060 fi
6061
6062 ########################################
6063 # See if __attribute__((alias)) is supported.
6064 # This false for Xcode 9, but has been remedied for Xcode 10.
6065 # Unfortunately, travis uses Xcode 9 by default.
6066
6067 attralias=no
6068 cat > $TMPC << EOF
6069 int x = 1;
6070 extern const int y __attribute__((alias("x")));
6071 int main(void) { return 0; }
6072 EOF
6073 if compile_prog "" "" ; then
6074     attralias=yes
6075 fi
6076
6077 ########################################
6078 # check if getauxval is available.
6079
6080 getauxval=no
6081 cat > $TMPC << EOF
6082 #include <sys/auxv.h>
6083 int main(void) {
6084   return getauxval(AT_HWCAP) == 0;
6085 }
6086 EOF
6087 if compile_prog "" "" ; then
6088     getauxval=yes
6089 fi
6090
6091 ########################################
6092 # check if ccache is interfering with
6093 # semantic analysis of macros
6094
6095 unset CCACHE_CPP2
6096 ccache_cpp2=no
6097 cat > $TMPC << EOF
6098 static const int Z = 1;
6099 #define fn() ({ Z; })
6100 #define TAUT(X) ((X) == Z)
6101 #define PAREN(X, Y) (X == Y)
6102 #define ID(X) (X)
6103 int main(int argc, char *argv[])
6104 {
6105     int x = 0, y = 0;
6106     x = ID(x);
6107     x = fn();
6108     fn();
6109     if (PAREN(x, y)) return 0;
6110     if (TAUT(Z)) return 0;
6111     return 0;
6112 }
6113 EOF
6114
6115 if ! compile_object "-Werror"; then
6116     ccache_cpp2=yes
6117 fi
6118
6119 #################################################
6120 # clang does not support glibc + FORTIFY_SOURCE.
6121
6122 if test "$fortify_source" != "no"; then
6123   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
6124     fortify_source="no";
6125   elif test -n "$cxx" && has $cxx &&
6126        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
6127     fortify_source="no";
6128   else
6129     fortify_source="yes"
6130   fi
6131 fi
6132
6133 ###############################################
6134 # Check if copy_file_range is provided by glibc
6135 have_copy_file_range=no
6136 cat > $TMPC << EOF
6137 #include <unistd.h>
6138 int main(void) {
6139   copy_file_range(0, NULL, 0, NULL, 0, 0);
6140   return 0;
6141 }
6142 EOF
6143 if compile_prog "" "" ; then
6144     have_copy_file_range=yes
6145 fi
6146
6147 ##########################################
6148 # check if struct fsxattr is available via linux/fs.h
6149
6150 have_fsxattr=no
6151 cat > $TMPC << EOF
6152 #include <linux/fs.h>
6153 struct fsxattr foo;
6154 int main(void) {
6155   return 0;
6156 }
6157 EOF
6158 if compile_prog "" "" ; then
6159     have_fsxattr=yes
6160 fi
6161
6162 ##########################################
6163 # check for usable membarrier system call
6164 if test "$membarrier" = "yes"; then
6165     have_membarrier=no
6166     if test "$mingw32" = "yes" ; then
6167         have_membarrier=yes
6168     elif test "$linux" = "yes" ; then
6169         cat > $TMPC << EOF
6170     #include <linux/membarrier.h>
6171     #include <sys/syscall.h>
6172     #include <unistd.h>
6173     #include <stdlib.h>
6174     int main(void) {
6175         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
6176         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
6177         exit(0);
6178     }
6179 EOF
6180         if compile_prog "" "" ; then
6181             have_membarrier=yes
6182         fi
6183     fi
6184     if test "$have_membarrier" = "no"; then
6185       feature_not_found "membarrier" "membarrier system call not available"
6186     fi
6187 else
6188     # Do not enable it by default even for Mingw32, because it doesn't
6189     # work on Wine.
6190     membarrier=no
6191 fi
6192
6193 ##########################################
6194 # check if rtnetlink.h exists and is useful
6195 have_rtnetlink=no
6196 cat > $TMPC << EOF
6197 #include <linux/rtnetlink.h>
6198 int main(void) {
6199   return IFLA_PROTO_DOWN;
6200 }
6201 EOF
6202 if compile_prog "" "" ; then
6203     have_rtnetlink=yes
6204 fi
6205
6206 ##########################################
6207 # check for usable AF_VSOCK environment
6208 have_af_vsock=no
6209 cat > $TMPC << EOF
6210 #include <errno.h>
6211 #include <sys/types.h>
6212 #include <sys/socket.h>
6213 #if !defined(AF_VSOCK)
6214 # error missing AF_VSOCK flag
6215 #endif
6216 #include <linux/vm_sockets.h>
6217 int main(void) {
6218     int sock, ret;
6219     struct sockaddr_vm svm;
6220     socklen_t len = sizeof(svm);
6221     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
6222     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
6223     if ((ret == -1) && (errno == ENOTCONN)) {
6224         return 0;
6225     }
6226     return -1;
6227 }
6228 EOF
6229 if compile_prog "" "" ; then
6230     have_af_vsock=yes
6231 fi
6232
6233 ##########################################
6234 # check for usable AF_ALG environment
6235 have_afalg=no
6236 cat > $TMPC << EOF
6237 #include <errno.h>
6238 #include <sys/types.h>
6239 #include <sys/socket.h>
6240 #include <linux/if_alg.h>
6241 int main(void) {
6242     int sock;
6243     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
6244     return sock;
6245 }
6246 EOF
6247 if compile_prog "" "" ; then
6248     have_afalg=yes
6249 fi
6250 if test "$crypto_afalg" = "yes"
6251 then
6252     if test "$have_afalg" != "yes"
6253     then
6254         error_exit "AF_ALG requested but could not be detected"
6255     fi
6256 fi
6257
6258
6259 #################################################
6260 # Check to see if we have the Hypervisor framework
6261 if [ "$darwin" = "yes" ] ; then
6262   cat > $TMPC << EOF
6263 #include <Hypervisor/hv.h>
6264 int main() { return 0;}
6265 EOF
6266   if ! compile_object ""; then
6267     hvf='no'
6268   else
6269     hvf='yes'
6270     QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
6271   fi
6272 fi
6273
6274 #################################################
6275 # Sparc implicitly links with --relax, which is
6276 # incompatible with -r, so --no-relax should be
6277 # given. It does no harm to give it on other
6278 # platforms too.
6279
6280 # Note: the prototype is needed since QEMU_CFLAGS
6281 #       contains -Wmissing-prototypes
6282 cat > $TMPC << EOF
6283 extern int foo(void);
6284 int foo(void) { return 0; }
6285 EOF
6286 if ! compile_object ""; then
6287   error_exit "Failed to compile object file for LD_REL_FLAGS test"
6288 fi
6289 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
6290   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
6291     LD_REL_FLAGS=$i
6292     break
6293   fi
6294 done
6295 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
6296   feature_not_found "modules" "Cannot find how to build relocatable objects"
6297 fi
6298
6299 ##########################################
6300 # check for sysmacros.h
6301
6302 have_sysmacros=no
6303 cat > $TMPC << EOF
6304 #include <sys/sysmacros.h>
6305 int main(void) {
6306     return makedev(0, 0);
6307 }
6308 EOF
6309 if compile_prog "" "" ; then
6310     have_sysmacros=yes
6311 fi
6312
6313 ##########################################
6314 # check for _Static_assert()
6315
6316 have_static_assert=no
6317 cat > $TMPC << EOF
6318 _Static_assert(1, "success");
6319 int main(void) {
6320     return 0;
6321 }
6322 EOF
6323 if compile_prog "" "" ; then
6324     have_static_assert=yes
6325 fi
6326
6327 ##########################################
6328 # check for utmpx.h, it is missing e.g. on OpenBSD
6329
6330 have_utmpx=no
6331 cat > $TMPC << EOF
6332 #include <utmpx.h>
6333 struct utmpx user_info;
6334 int main(void) {
6335     return 0;
6336 }
6337 EOF
6338 if compile_prog "" "" ; then
6339     have_utmpx=yes
6340 fi
6341
6342 ##########################################
6343 # check for getrandom()
6344
6345 have_getrandom=no
6346 cat > $TMPC << EOF
6347 #include <sys/random.h>
6348 int main(void) {
6349     return getrandom(0, 0, GRND_NONBLOCK);
6350 }
6351 EOF
6352 if compile_prog "" "" ; then
6353     have_getrandom=yes
6354 fi
6355
6356 ##########################################
6357 # checks for sanitizers
6358
6359 have_asan=no
6360 have_ubsan=no
6361 have_asan_iface_h=no
6362 have_asan_iface_fiber=no
6363
6364 if test "$sanitizers" = "yes" ; then
6365   write_c_skeleton
6366   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6367       have_asan=yes
6368   fi
6369
6370   # we could use a simple skeleton for flags checks, but this also
6371   # detect the static linking issue of ubsan, see also:
6372   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6373   cat > $TMPC << EOF
6374 #include <stdlib.h>
6375 int main(void) {
6376     void *tmp = malloc(10);
6377     if (tmp != NULL) {
6378         return *(int *)(tmp + 2);
6379     }
6380     return 1;
6381 }
6382 EOF
6383   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6384       have_ubsan=yes
6385   fi
6386
6387   if check_include "sanitizer/asan_interface.h" ; then
6388       have_asan_iface_h=yes
6389   fi
6390
6391   cat > $TMPC << EOF
6392 #include <sanitizer/asan_interface.h>
6393 int main(void) {
6394   __sanitizer_start_switch_fiber(0, 0, 0);
6395   return 0;
6396 }
6397 EOF
6398   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6399       have_asan_iface_fiber=yes
6400   fi
6401 fi
6402
6403 ##########################################
6404 # checks for fuzzer
6405 if test "$fuzzing" = "yes" ; then
6406   write_c_fuzzer_skeleton
6407   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
6408       have_fuzzer=yes
6409   fi
6410 fi
6411
6412 # Thread sanitizer is, for now, much noisier than the other sanitizers;
6413 # keep it separate until that is not the case.
6414 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
6415   error_exit "TSAN is not supported with other sanitiziers."
6416 fi
6417 have_tsan=no
6418 have_tsan_iface_fiber=no
6419 if test "$tsan" = "yes" ; then
6420   write_c_skeleton
6421   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6422       have_tsan=yes
6423   fi
6424   cat > $TMPC << EOF
6425 #include <sanitizer/tsan_interface.h>
6426 int main(void) {
6427   __tsan_create_fiber(0);
6428   return 0;
6429 }
6430 EOF
6431   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6432       have_tsan_iface_fiber=yes
6433   fi
6434 fi
6435
6436 ##########################################
6437 # check for libpmem
6438
6439 if test "$libpmem" != "no"; then
6440         if $pkg_config --exists "libpmem"; then
6441                 libpmem="yes"
6442                 libpmem_libs=$($pkg_config --libs libpmem)
6443                 libpmem_cflags=$($pkg_config --cflags libpmem)
6444                 libs_softmmu="$libs_softmmu $libpmem_libs"
6445                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6446         else
6447                 if test "$libpmem" = "yes" ; then
6448                         feature_not_found "libpmem" "Install nvml or pmdk"
6449                 fi
6450                 libpmem="no"
6451         fi
6452 fi
6453
6454 ##########################################
6455 # check for libdaxctl
6456
6457 if test "$libdaxctl" != "no"; then
6458         if $pkg_config --atleast-version=57 "libdaxctl"; then
6459                 libdaxctl="yes"
6460                 libdaxctl_libs=$($pkg_config --libs libdaxctl)
6461                 libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
6462                 libs_softmmu="$libs_softmmu $libdaxctl_libs"
6463                 QEMU_CFLAGS="$QEMU_CFLAGS $libdaxctl_cflags"
6464         else
6465                 if test "$libdaxctl" = "yes" ; then
6466                         feature_not_found "libdaxctl" "Install libdaxctl"
6467                 fi
6468                 libdaxctl="no"
6469         fi
6470 fi
6471
6472 ##########################################
6473 # check for slirp
6474
6475 # slirp is only required when building softmmu targets
6476 if test -z "$slirp" -a "$softmmu" != "yes" ; then
6477     slirp="no"
6478 fi
6479
6480 case "$slirp" in
6481   "" | yes)
6482     if $pkg_config slirp; then
6483       slirp=system
6484     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6485       slirp=git
6486     elif test -e "${source_path}/slirp/Makefile" ; then
6487       slirp=internal
6488     elif test -z "$slirp" ; then
6489       slirp=no
6490     else
6491       feature_not_found "slirp" "Install slirp devel or git submodule"
6492     fi
6493     ;;
6494
6495   system)
6496     if ! $pkg_config slirp; then
6497       feature_not_found "slirp" "Install slirp devel"
6498     fi
6499     ;;
6500 esac
6501
6502 case "$slirp" in
6503   git | internal)
6504     if test "$slirp" = git; then
6505       git_submodules="${git_submodules} slirp"
6506     fi
6507     mkdir -p slirp
6508     slirp_cflags="-I${source_path}/slirp/src -I$PWD/slirp/src"
6509     slirp_libs="-L$PWD/slirp -lslirp"
6510     if test "$mingw32" = "yes" ; then
6511       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6512     fi
6513     ;;
6514
6515   system)
6516     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6517     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6518     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6519     ;;
6520
6521   no)
6522     ;;
6523   *)
6524     error_exit "Unknown state for slirp: $slirp"
6525     ;;
6526 esac
6527
6528 ##########################################
6529 # check for usable __NR_keyctl syscall
6530
6531 if test "$linux" = "yes" ; then
6532
6533     have_keyring=no
6534     cat > $TMPC << EOF
6535 #include <errno.h>
6536 #include <asm/unistd.h>
6537 #include <linux/keyctl.h>
6538 #include <unistd.h>
6539 int main(void) {
6540     return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
6541 }
6542 EOF
6543     if compile_prog "" "" ; then
6544         have_keyring=yes
6545     fi
6546 fi
6547 if test "$secret_keyring" != "no"
6548 then
6549     if test "$have_keyring" = "yes"
6550     then
6551         secret_keyring=yes
6552     else
6553         if test "$secret_keyring" = "yes"
6554         then
6555             error_exit "syscall __NR_keyctl requested, \
6556 but not implemented on your system"
6557         else
6558             secret_keyring=no
6559         fi
6560     fi
6561 fi
6562
6563 ##########################################
6564 # check for usable keyutils.h
6565
6566 if test "$linux" = "yes" ; then
6567
6568     have_keyutils=no
6569     cat > $TMPC << EOF
6570 #include <errno.h>
6571 #include <asm/unistd.h>
6572 #include <unistd.h>
6573 #include <sys/types.h>
6574 #include <keyutils.h>
6575 int main(void) {
6576     return request_key("user", NULL, NULL, 0);
6577 }
6578 EOF
6579     if compile_prog "" "-lkeyutils"; then
6580         have_keyutils=yes
6581     fi
6582 fi
6583
6584
6585 ##########################################
6586 # End of CC checks
6587 # After here, no more $cc or $ld runs
6588
6589 write_c_skeleton
6590
6591 if test "$gcov" = "yes" ; then
6592   :
6593 elif test "$fortify_source" = "yes" ; then
6594   QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
6595   debug=no
6596 fi
6597 if test "$debug_info" = "yes"; then
6598   CFLAGS="-g $CFLAGS"
6599   LDFLAGS="-g $LDFLAGS"
6600 fi
6601 if test "$debug" = "no"; then
6602   CFLAGS="-O2 $CFLAGS"
6603 fi
6604
6605 case "$ARCH" in
6606 alpha)
6607   # Ensure there's only a single GP
6608   QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
6609 ;;
6610 esac
6611
6612 if test "$gprof" = "yes" ; then
6613   QEMU_CFLAGS="-p $QEMU_CFLAGS"
6614   QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
6615 fi
6616
6617 if test "$have_asan" = "yes"; then
6618   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6619   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6620   if test "$have_asan_iface_h" = "no" ; then
6621       echo "ASAN build enabled, but ASAN header missing." \
6622            "Without code annotation, the report may be inferior."
6623   elif test "$have_asan_iface_fiber" = "no" ; then
6624       echo "ASAN build enabled, but ASAN header is too old." \
6625            "Without code annotation, the report may be inferior."
6626   fi
6627 fi
6628 if test "$have_tsan" = "yes" ; then
6629   if test "$have_tsan_iface_fiber" = "yes" ; then
6630     QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
6631     QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
6632   else
6633     error_exit "Cannot enable TSAN due to missing fiber annotation interface."
6634   fi
6635 elif test "$tsan" = "yes" ; then
6636   error_exit "Cannot enable TSAN due to missing sanitize thread interface."
6637 fi
6638 if test "$have_ubsan" = "yes"; then
6639   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6640   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6641 fi
6642
6643 ##########################################
6644 # Do we have libnfs
6645 if test "$libnfs" != "no" ; then
6646   if $pkg_config --atleast-version=1.9.3 libnfs; then
6647     libnfs="yes"
6648     libnfs_libs=$($pkg_config --libs libnfs)
6649   else
6650     if test "$libnfs" = "yes" ; then
6651       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6652     fi
6653     libnfs="no"
6654   fi
6655 fi
6656
6657 ##########################################
6658 # Do we have libudev
6659 if test "$libudev" != "no" ; then
6660   if $pkg_config libudev && test "$static" != "yes"; then
6661     libudev="yes"
6662     libudev_libs=$($pkg_config --libs libudev)
6663   else
6664     libudev="no"
6665   fi
6666 fi
6667
6668 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6669 if test "$werror" = "yes"; then
6670     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6671 fi
6672
6673 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
6674 if test "$solaris" = "no" && test "$tsan" = "no"; then
6675     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6676         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6677     fi
6678 fi
6679
6680 # test if pod2man has --utf8 option
6681 if pod2man --help | grep -q utf8; then
6682     POD2MAN="pod2man --utf8"
6683 else
6684     POD2MAN="pod2man"
6685 fi
6686
6687 # Use ASLR, no-SEH and DEP if available
6688 if test "$mingw32" = "yes" ; then
6689     for flag in --dynamicbase --no-seh --nxcompat; do
6690         if ld_has $flag ; then
6691             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6692         fi
6693     done
6694 fi
6695
6696 # Disable OpenBSD W^X if available
6697 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6698     cat > $TMPC <<EOF
6699     int main(void) { return 0; }
6700 EOF
6701     wx_ldflags="-Wl,-z,wxneeded"
6702     if compile_prog "" "$wx_ldflags"; then
6703         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6704     fi
6705 fi
6706
6707 qemu_confdir=$sysconfdir$confsuffix
6708 qemu_moddir=$libdir$confsuffix
6709 qemu_datadir=$datadir$confsuffix
6710 qemu_localedir="$datadir/locale"
6711 qemu_icondir="$datadir/icons"
6712 qemu_desktopdir="$datadir/applications"
6713
6714 # We can only support ivshmem if we have eventfd
6715 if [ "$eventfd" = "yes" ]; then
6716   ivshmem=yes
6717 fi
6718
6719 tools=""
6720 helpers=""
6721 if test "$want_tools" = "yes" ; then
6722   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6723     tools="qemu-storage-daemon\$(EXESUF) $tools"
6724   fi
6725 fi
6726 if test "$softmmu" = yes ; then
6727   if test "$linux" = yes; then
6728     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6729       virtfs=yes
6730     else
6731       if test "$virtfs" = yes; then
6732         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6733       fi
6734       virtfs=no
6735     fi
6736     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6737       mpath=yes
6738     else
6739       if test "$mpath" = yes; then
6740         error_exit "Multipath requires libmpathpersist devel"
6741       fi
6742       mpath=no
6743     fi
6744     helpers="$helpers scsi/qemu-pr-helper\$(EXESUF)"
6745   else
6746     if test "$virtfs" = yes; then
6747       error_exit "VirtFS is supported only on Linux"
6748     fi
6749     virtfs=no
6750     if test "$mpath" = yes; then
6751       error_exit "Multipath is supported only on Linux"
6752     fi
6753     mpath=no
6754   fi
6755 fi
6756
6757 # Probe for guest agent support/options
6758
6759 if [ "$guest_agent" != "no" ]; then
6760   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6761       guest_agent=no
6762   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6763       guest_agent=yes
6764   elif [ "$guest_agent" != yes ]; then
6765       guest_agent=no
6766   else
6767       error_exit "Guest agent is not supported on this platform"
6768   fi
6769 fi
6770
6771 # Guest agent Window MSI  package
6772
6773 if test "$guest_agent" != yes; then
6774   if test "$guest_agent_msi" = yes; then
6775     error_exit "MSI guest agent package requires guest agent enabled"
6776   fi
6777   guest_agent_msi=no
6778 elif test "$mingw32" != "yes"; then
6779   if test "$guest_agent_msi" = "yes"; then
6780     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6781   fi
6782   guest_agent_msi=no
6783 elif ! has wixl; then
6784   if test "$guest_agent_msi" = "yes"; then
6785     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6786   fi
6787   guest_agent_msi=no
6788 else
6789   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6790   # disabled explicitly
6791   if test "$guest_agent_msi" != "no"; then
6792     guest_agent_msi=yes
6793   fi
6794 fi
6795
6796 if test "$guest_agent_msi" = "yes"; then
6797   if test "$guest_agent_with_vss" = "yes"; then
6798     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6799   fi
6800
6801   if test "$QEMU_GA_MANUFACTURER" = ""; then
6802     QEMU_GA_MANUFACTURER=QEMU
6803   fi
6804
6805   if test "$QEMU_GA_DISTRO" = ""; then
6806     QEMU_GA_DISTRO=Linux
6807   fi
6808
6809   if test "$QEMU_GA_VERSION" = ""; then
6810       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6811   fi
6812
6813   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6814
6815   case "$cpu" in
6816   x86_64)
6817     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6818     ;;
6819   i386)
6820     QEMU_GA_MSI_ARCH="-D Arch=32"
6821     ;;
6822   *)
6823     error_exit "CPU $cpu not supported for building installation package"
6824     ;;
6825   esac
6826 fi
6827
6828 # Mac OS X ships with a broken assembler
6829 roms=
6830 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6831         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6832         test "$softmmu" = yes ; then
6833     # Different host OS linkers have different ideas about the name of the ELF
6834     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6835     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6836     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6837         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6838             ld_i386_emulation="$emu"
6839             roms="optionrom"
6840             break
6841         fi
6842     done
6843 fi
6844
6845 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6846 if test "$cpu" = "s390x" ; then
6847   write_c_skeleton
6848   if compile_prog "-march=z900" ""; then
6849     roms="$roms s390-ccw"
6850     # SLOF is required for building the s390-ccw firmware on s390x,
6851     # since it is using the libnet code from SLOF for network booting.
6852     if test -e "${source_path}/.git" ; then
6853       git_submodules="${git_submodules} roms/SLOF"
6854     fi
6855   fi
6856 fi
6857
6858 # Check that the C++ compiler exists and works with the C compiler.
6859 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6860 if has $cxx; then
6861     cat > $TMPC <<EOF
6862 int c_function(void);
6863 int main(void) { return c_function(); }
6864 EOF
6865
6866     compile_object
6867
6868     cat > $TMPCXX <<EOF
6869 extern "C" {
6870    int c_function(void);
6871 }
6872 int c_function(void) { return 42; }
6873 EOF
6874
6875     update_cxxflags
6876
6877     if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6878         # C++ compiler $cxx works ok with C compiler $cc
6879         :
6880     else
6881         echo "C++ compiler $cxx does not work with C compiler $cc"
6882         echo "Disabling C++ specific optional code"
6883         cxx=
6884     fi
6885 else
6886     echo "No C++ compiler available; disabling C++ specific optional code"
6887     cxx=
6888 fi
6889
6890 echo_version() {
6891     if test "$1" = "yes" ; then
6892         echo "($2)"
6893     fi
6894 }
6895
6896 # prepend pixman and ftd flags after all config tests are done
6897 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6898 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6899 libs_softmmu="$pixman_libs $libs_softmmu"
6900
6901 config_host_mak="config-host.mak"
6902
6903 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6904
6905 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6906 echo >> $config_host_mak
6907
6908 echo all: >> $config_host_mak
6909 echo "prefix=$prefix" >> $config_host_mak
6910 echo "bindir=$bindir" >> $config_host_mak
6911 echo "libdir=$libdir" >> $config_host_mak
6912 echo "libexecdir=$libexecdir" >> $config_host_mak
6913 echo "includedir=$includedir" >> $config_host_mak
6914 echo "mandir=$mandir" >> $config_host_mak
6915 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6916 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6917 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6918 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6919 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6920 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6921 if test "$mingw32" = "no" ; then
6922   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6923 fi
6924 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6925 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6926 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6927 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6928 echo "libs_cpu=$libs_cpu" >> $config_host_mak
6929 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6930 echo "GIT=$git" >> $config_host_mak
6931 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6932 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6933
6934 echo "ARCH=$ARCH" >> $config_host_mak
6935
6936 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
6937 echo "GLIB_LDFLAGS=$glib_ldflags" >> $config_host_mak
6938
6939 if test "$default_devices" = "yes" ; then
6940   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6941 else
6942   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6943 fi
6944 if test "$debug_tcg" = "yes" ; then
6945   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6946 fi
6947 if test "$strip_opt" = "yes" ; then
6948   echo "STRIP=${strip}" >> $config_host_mak
6949 fi
6950 if test "$bigendian" = "yes" ; then
6951   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6952 fi
6953 if test "$mingw32" = "yes" ; then
6954   echo "CONFIG_WIN32=y" >> $config_host_mak
6955   rc_version=$(cat $source_path/VERSION)
6956   version_major=${rc_version%%.*}
6957   rc_version=${rc_version#*.}
6958   version_minor=${rc_version%%.*}
6959   rc_version=${rc_version#*.}
6960   version_subminor=${rc_version%%.*}
6961   version_micro=0
6962   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6963   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6964   if test "$guest_agent_with_vss" = "yes" ; then
6965     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6966     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6967     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6968   fi
6969   if test "$guest_agent_ntddscsi" = "yes" ; then
6970     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6971   fi
6972   if test "$guest_agent_msi" = "yes"; then
6973     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6974     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6975     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6976     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6977     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6978     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6979     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6980   fi
6981 else
6982   echo "CONFIG_POSIX=y" >> $config_host_mak
6983 fi
6984
6985 if test "$linux" = "yes" ; then
6986   echo "CONFIG_LINUX=y" >> $config_host_mak
6987 fi
6988
6989 if test "$darwin" = "yes" ; then
6990   echo "CONFIG_DARWIN=y" >> $config_host_mak
6991 fi
6992
6993 if test "$solaris" = "yes" ; then
6994   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6995 fi
6996 if test "$haiku" = "yes" ; then
6997   echo "CONFIG_HAIKU=y" >> $config_host_mak
6998 fi
6999 if test "$static" = "yes" ; then
7000   echo "CONFIG_STATIC=y" >> $config_host_mak
7001 fi
7002 if test "$profiler" = "yes" ; then
7003   echo "CONFIG_PROFILER=y" >> $config_host_mak
7004 fi
7005 if test "$want_tools" = "yes" ; then
7006   echo "CONFIG_TOOLS=y" >> $config_host_mak
7007 fi
7008 if test "$guest_agent" = "yes" ; then
7009   echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
7010 fi
7011 if test "$slirp" != "no"; then
7012   echo "CONFIG_SLIRP=y" >> $config_host_mak
7013   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
7014   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
7015   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
7016 fi
7017 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
7018     echo "config-host.h: slirp/all" >> $config_host_mak
7019 fi
7020 if test "$vde" = "yes" ; then
7021   echo "CONFIG_VDE=y" >> $config_host_mak
7022   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
7023 fi
7024 if test "$netmap" = "yes" ; then
7025   echo "CONFIG_NETMAP=y" >> $config_host_mak
7026 fi
7027 if test "$l2tpv3" = "yes" ; then
7028   echo "CONFIG_L2TPV3=y" >> $config_host_mak
7029 fi
7030 if test "$gprof" = "yes" ; then
7031   echo "CONFIG_GPROF=y" >> $config_host_mak
7032 fi
7033 if test "$cap_ng" = "yes" ; then
7034   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
7035   echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
7036 fi
7037 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
7038 for drv in $audio_drv_list; do
7039     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
7040     case "$drv" in
7041         alsa | oss | pa | sdl)
7042             echo "$def=m" >> $config_host_mak ;;
7043         *)
7044             echo "$def=y" >> $config_host_mak ;;
7045     esac
7046 done
7047 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
7048 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
7049 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
7050 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
7051 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
7052 echo "JACK_LIBS=$jack_libs" >> $config_host_mak
7053 if test "$audio_win_int" = "yes" ; then
7054   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
7055 fi
7056 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
7057 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
7058 if test "$vnc" = "yes" ; then
7059   echo "CONFIG_VNC=y" >> $config_host_mak
7060 fi
7061 if test "$vnc_sasl" = "yes" ; then
7062   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
7063 fi
7064 if test "$vnc_jpeg" = "yes" ; then
7065   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
7066 fi
7067 if test "$vnc_png" = "yes" ; then
7068   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
7069 fi
7070 if test "$xkbcommon" = "yes" ; then
7071   echo "CONFIG_XKBCOMMON=y" >> $config_host_mak
7072   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
7073   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
7074 fi
7075 if test "$xfs" = "yes" ; then
7076   echo "CONFIG_XFS=y" >> $config_host_mak
7077 fi
7078 qemu_version=$(head $source_path/VERSION)
7079 echo "VERSION=$qemu_version" >>$config_host_mak
7080 echo "PKGVERSION=$pkgversion" >>$config_host_mak
7081 echo "SRC_PATH=$source_path" >> $config_host_mak
7082 echo "TARGET_DIRS=$target_list" >> $config_host_mak
7083 if [ "$docs" = "yes" ] ; then
7084   echo "BUILD_DOCS=yes" >> $config_host_mak
7085 fi
7086 if test "$modules" = "yes"; then
7087   # $shacmd can generate a hash started with digit, which the compiler doesn't
7088   # like as an symbol. So prefix it with an underscore
7089   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
7090   echo "CONFIG_MODULES=y" >> $config_host_mak
7091 fi
7092 if test "$module_upgrades" = "yes"; then
7093   echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
7094 fi
7095 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
7096   echo "CONFIG_X11=y" >> $config_host_mak
7097   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
7098   echo "X11_LIBS=$x11_libs" >> $config_host_mak
7099 fi
7100 if test "$sdl" = "yes" ; then
7101   echo "CONFIG_SDL=m" >> $config_host_mak
7102   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
7103   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
7104   if test "$sdl_image" = "yes" ; then
7105       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
7106   fi
7107 fi
7108 if test "$cocoa" = "yes" ; then
7109   echo "CONFIG_COCOA=y" >> $config_host_mak
7110 fi
7111 if test "$iconv" = "yes" ; then
7112   echo "CONFIG_ICONV=y" >> $config_host_mak
7113   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
7114   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
7115 fi
7116 if test "$curses" = "yes" ; then
7117   echo "CONFIG_CURSES=m" >> $config_host_mak
7118   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
7119   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
7120 fi
7121 if test "$pipe2" = "yes" ; then
7122   echo "CONFIG_PIPE2=y" >> $config_host_mak
7123 fi
7124 if test "$accept4" = "yes" ; then
7125   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
7126 fi
7127 if test "$splice" = "yes" ; then
7128   echo "CONFIG_SPLICE=y" >> $config_host_mak
7129 fi
7130 if test "$eventfd" = "yes" ; then
7131   echo "CONFIG_EVENTFD=y" >> $config_host_mak
7132 fi
7133 if test "$memfd" = "yes" ; then
7134   echo "CONFIG_MEMFD=y" >> $config_host_mak
7135 fi
7136 if test "$have_usbfs" = "yes" ; then
7137   echo "CONFIG_USBFS=y" >> $config_host_mak
7138 fi
7139 if test "$fallocate" = "yes" ; then
7140   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
7141 fi
7142 if test "$fallocate_punch_hole" = "yes" ; then
7143   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
7144 fi
7145 if test "$fallocate_zero_range" = "yes" ; then
7146   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
7147 fi
7148 if test "$posix_fallocate" = "yes" ; then
7149   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
7150 fi
7151 if test "$sync_file_range" = "yes" ; then
7152   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
7153 fi
7154 if test "$fiemap" = "yes" ; then
7155   echo "CONFIG_FIEMAP=y" >> $config_host_mak
7156 fi
7157 if test "$dup3" = "yes" ; then
7158   echo "CONFIG_DUP3=y" >> $config_host_mak
7159 fi
7160 if test "$ppoll" = "yes" ; then
7161   echo "CONFIG_PPOLL=y" >> $config_host_mak
7162 fi
7163 if test "$prctl_pr_set_timerslack" = "yes" ; then
7164   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
7165 fi
7166 if test "$epoll" = "yes" ; then
7167   echo "CONFIG_EPOLL=y" >> $config_host_mak
7168 fi
7169 if test "$epoll_create1" = "yes" ; then
7170   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
7171 fi
7172 if test "$sendfile" = "yes" ; then
7173   echo "CONFIG_SENDFILE=y" >> $config_host_mak
7174 fi
7175 if test "$timerfd" = "yes" ; then
7176   echo "CONFIG_TIMERFD=y" >> $config_host_mak
7177 fi
7178 if test "$setns" = "yes" ; then
7179   echo "CONFIG_SETNS=y" >> $config_host_mak
7180 fi
7181 if test "$clock_adjtime" = "yes" ; then
7182   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
7183 fi
7184 if test "$syncfs" = "yes" ; then
7185   echo "CONFIG_SYNCFS=y" >> $config_host_mak
7186 fi
7187 if test "$kcov" = "yes" ; then
7188   echo "CONFIG_KCOV=y" >> $config_host_mak
7189 fi
7190 if test "$inotify" = "yes" ; then
7191   echo "CONFIG_INOTIFY=y" >> $config_host_mak
7192 fi
7193 if test "$inotify1" = "yes" ; then
7194   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
7195 fi
7196 if test "$sem_timedwait" = "yes" ; then
7197   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
7198 fi
7199 if test "$strchrnul" = "yes" ; then
7200   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
7201 fi
7202 if test "$st_atim" = "yes" ; then
7203   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
7204 fi
7205 if test "$byteswap_h" = "yes" ; then
7206   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
7207 fi
7208 if test "$bswap_h" = "yes" ; then
7209   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
7210 fi
7211 if test "$curl" = "yes" ; then
7212   echo "CONFIG_CURL=m" >> $config_host_mak
7213   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
7214   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
7215 fi
7216 if test "$brlapi" = "yes" ; then
7217   echo "CONFIG_BRLAPI=y" >> $config_host_mak
7218   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
7219 fi
7220 if test "$gtk" = "yes" ; then
7221   echo "CONFIG_GTK=m" >> $config_host_mak
7222   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
7223   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
7224   if test "$gtk_gl" = "yes" ; then
7225     echo "CONFIG_GTK_GL=y" >> $config_host_mak
7226   fi
7227 fi
7228 if test "$gio" = "yes" ; then
7229     echo "CONFIG_GIO=y" >> $config_host_mak
7230     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
7231     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
7232     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
7233 fi
7234 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
7235 if test "$gnutls" = "yes" ; then
7236   echo "CONFIG_GNUTLS=y" >> $config_host_mak
7237   echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
7238   echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
7239 fi
7240 if test "$gcrypt" = "yes" ; then
7241   echo "CONFIG_GCRYPT=y" >> $config_host_mak
7242   if test "$gcrypt_hmac" = "yes" ; then
7243     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
7244   fi
7245 fi
7246 if test "$nettle" = "yes" ; then
7247   echo "CONFIG_NETTLE=y" >> $config_host_mak
7248   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
7249   echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
7250   echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
7251 fi
7252 if test "$qemu_private_xts" = "yes" ; then
7253   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
7254 fi
7255 if test "$tasn1" = "yes" ; then
7256   echo "CONFIG_TASN1=y" >> $config_host_mak
7257 fi
7258 if test "$auth_pam" = "yes" ; then
7259     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
7260 fi
7261 if test "$have_ifaddrs_h" = "yes" ; then
7262     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
7263 fi
7264 if test "$have_drm_h" = "yes" ; then
7265   echo "HAVE_DRM_H=y" >> $config_host_mak
7266 fi
7267 if test "$have_broken_size_max" = "yes" ; then
7268     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
7269 fi
7270 if test "$have_openpty" = "yes" ; then
7271     echo "HAVE_OPENPTY=y" >> $config_host_mak
7272 fi
7273 if test "$have_sys_signal_h" = "yes" ; then
7274     echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
7275 fi
7276
7277 # Work around a system header bug with some kernel/XFS header
7278 # versions where they both try to define 'struct fsxattr':
7279 # xfs headers will not try to redefine structs from linux headers
7280 # if this macro is set.
7281 if test "$have_fsxattr" = "yes" ; then
7282     echo "HAVE_FSXATTR=y" >> $config_host_mak
7283 fi
7284 if test "$have_copy_file_range" = "yes" ; then
7285     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7286 fi
7287 if test "$vte" = "yes" ; then
7288   echo "CONFIG_VTE=y" >> $config_host_mak
7289   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7290   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7291 fi
7292 if test "$virglrenderer" = "yes" ; then
7293   echo "CONFIG_VIRGL=y" >> $config_host_mak
7294   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7295   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7296 fi
7297 if test "$xen" = "yes" ; then
7298   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7299   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7300 fi
7301 if test "$linux_aio" = "yes" ; then
7302   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7303 fi
7304 if test "$linux_io_uring" = "yes" ; then
7305   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7306   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7307   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7308 fi
7309 if test "$attr" = "yes" ; then
7310   echo "CONFIG_ATTR=y" >> $config_host_mak
7311   echo "LIBATTR_LIBS=$libattr_libs" >> $config_host_mak
7312 fi
7313 if test "$libattr" = "yes" ; then
7314   echo "CONFIG_LIBATTR=y" >> $config_host_mak
7315 fi
7316 if test "$virtfs" = "yes" ; then
7317   echo "CONFIG_VIRTFS=y" >> $config_host_mak
7318 fi
7319 if test "$mpath" = "yes" ; then
7320   echo "CONFIG_MPATH=y" >> $config_host_mak
7321   if test "$mpathpersist_new_api" = "yes"; then
7322     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7323   fi
7324 fi
7325 if test "$vhost_scsi" = "yes" ; then
7326   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7327 fi
7328 if test "$vhost_net" = "yes" ; then
7329   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7330 fi
7331 if test "$vhost_net_user" = "yes" ; then
7332   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7333 fi
7334 if test "$vhost_net_vdpa" = "yes" ; then
7335   echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
7336 fi
7337 if test "$vhost_crypto" = "yes" ; then
7338   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7339 fi
7340 if test "$vhost_vsock" = "yes" ; then
7341   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7342   if test "$vhost_user" = "yes" ; then
7343     echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
7344   fi
7345 fi
7346 if test "$vhost_kernel" = "yes" ; then
7347   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7348 fi
7349 if test "$vhost_user" = "yes" ; then
7350   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7351 fi
7352 if test "$vhost_vdpa" = "yes" ; then
7353   echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
7354 fi
7355 if test "$vhost_user_fs" = "yes" ; then
7356   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7357 fi
7358 if test "$blobs" = "yes" ; then
7359   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7360 fi
7361 if test "$iovec" = "yes" ; then
7362   echo "CONFIG_IOVEC=y" >> $config_host_mak
7363 fi
7364 if test "$preadv" = "yes" ; then
7365   echo "CONFIG_PREADV=y" >> $config_host_mak
7366 fi
7367 if test "$fdt" != "no" ; then
7368   echo "CONFIG_FDT=y" >> $config_host_mak
7369 fi
7370 if test "$membarrier" = "yes" ; then
7371   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7372 fi
7373 if test "$signalfd" = "yes" ; then
7374   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7375 fi
7376 if test "$optreset" = "yes" ; then
7377   echo "HAVE_OPTRESET=y" >> $config_host_mak
7378 fi
7379 if test "$tcg" = "yes"; then
7380   echo "CONFIG_TCG=y" >> $config_host_mak
7381   if test "$tcg_interpreter" = "yes" ; then
7382     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7383   fi
7384 fi
7385 if test "$fdatasync" = "yes" ; then
7386   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7387 fi
7388 if test "$madvise" = "yes" ; then
7389   echo "CONFIG_MADVISE=y" >> $config_host_mak
7390 fi
7391 if test "$posix_madvise" = "yes" ; then
7392   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7393 fi
7394 if test "$posix_memalign" = "yes" ; then
7395   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7396 fi
7397 if test "$zlib" != "no" ; then
7398     echo "CONFIG_ZLIB=y" >> $config_host_mak
7399     echo "ZLIB_CFLAGS=$zlib_cflags" >> $config_host_mak
7400     echo "ZLIB_LIBS=$zlib_libs" >> $config_host_mak
7401 fi
7402 if test "$spice" = "yes" ; then
7403   echo "CONFIG_SPICE=y" >> $config_host_mak
7404 fi
7405
7406 if test "$smartcard" = "yes" ; then
7407   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7408   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7409   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7410 fi
7411
7412 if test "$libusb" = "yes" ; then
7413   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7414   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7415   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7416 fi
7417
7418 if test "$usb_redir" = "yes" ; then
7419   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7420   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7421   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7422 fi
7423
7424 if test "$opengl" = "yes" ; then
7425   echo "CONFIG_OPENGL=y" >> $config_host_mak
7426   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7427   if test "$opengl_dmabuf" = "yes" ; then
7428     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7429   fi
7430 fi
7431
7432 if test "$gbm" = "yes" ; then
7433     echo "CONFIG_GBM=y" >> $config_host_mak
7434     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7435     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7436 fi
7437
7438
7439 if test "$malloc_trim" = "yes" ; then
7440   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7441 fi
7442
7443 if test "$avx2_opt" = "yes" ; then
7444   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7445 fi
7446
7447 if test "$avx512f_opt" = "yes" ; then
7448   echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
7449 fi
7450
7451 if test "$lzo" = "yes" ; then
7452   echo "CONFIG_LZO=y" >> $config_host_mak
7453 fi
7454
7455 if test "$snappy" = "yes" ; then
7456   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7457 fi
7458
7459 if test "$bzip2" = "yes" ; then
7460   echo "CONFIG_BZIP2=y" >> $config_host_mak
7461   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7462 fi
7463
7464 if test "$lzfse" = "yes" ; then
7465   echo "CONFIG_LZFSE=y" >> $config_host_mak
7466   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7467 fi
7468
7469 if test "$zstd" = "yes" ; then
7470   echo "CONFIG_ZSTD=y" >> $config_host_mak
7471   echo "ZSTD_CFLAGS=$zstd_cflags" >> $config_host_mak
7472   echo "ZSTD_LIBS=$zstd_libs" >> $config_host_mak
7473 fi
7474
7475 if test "$libiscsi" = "yes" ; then
7476   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7477   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7478   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7479 fi
7480
7481 if test "$libnfs" = "yes" ; then
7482   echo "CONFIG_LIBNFS=m" >> $config_host_mak
7483   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7484 fi
7485
7486 if test "$seccomp" = "yes"; then
7487   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7488   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7489   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7490 fi
7491
7492 # XXX: suppress that
7493 if [ "$bsd" = "yes" ] ; then
7494   echo "CONFIG_BSD=y" >> $config_host_mak
7495 fi
7496
7497 if test "$localtime_r" = "yes" ; then
7498   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7499 fi
7500 if test "$qom_cast_debug" = "yes" ; then
7501   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7502 fi
7503 if test "$rbd" = "yes" ; then
7504   echo "CONFIG_RBD=m" >> $config_host_mak
7505   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7506 fi
7507
7508 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7509 if test "$coroutine_pool" = "yes" ; then
7510   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7511 else
7512   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7513 fi
7514
7515 if test "$debug_stack_usage" = "yes" ; then
7516   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7517 fi
7518
7519 if test "$crypto_afalg" = "yes" ; then
7520   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7521 fi
7522
7523 if test "$open_by_handle_at" = "yes" ; then
7524   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7525 fi
7526
7527 if test "$linux_magic_h" = "yes" ; then
7528   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7529 fi
7530
7531 if test "$valgrind_h" = "yes" ; then
7532   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7533 fi
7534
7535 if test "$have_asan_iface_fiber" = "yes" ; then
7536     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7537 fi
7538
7539 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
7540     echo "CONFIG_TSAN=y" >> $config_host_mak
7541 fi
7542
7543 if test "$has_environ" = "yes" ; then
7544   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7545 fi
7546
7547 if test "$cpuid_h" = "yes" ; then
7548   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7549 fi
7550
7551 if test "$int128" = "yes" ; then
7552   echo "CONFIG_INT128=y" >> $config_host_mak
7553 fi
7554
7555 if test "$atomic128" = "yes" ; then
7556   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7557 fi
7558
7559 if test "$cmpxchg128" = "yes" ; then
7560   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7561 fi
7562
7563 if test "$atomic64" = "yes" ; then
7564   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7565 fi
7566
7567 if test "$attralias" = "yes" ; then
7568   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7569 fi
7570
7571 if test "$getauxval" = "yes" ; then
7572   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7573 fi
7574
7575 if test "$glusterfs" = "yes" ; then
7576   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7577   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7578   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7579 fi
7580
7581 if test "$glusterfs_xlator_opt" = "yes" ; then
7582   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7583 fi
7584
7585 if test "$glusterfs_discard" = "yes" ; then
7586   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7587 fi
7588
7589 if test "$glusterfs_fallocate" = "yes" ; then
7590   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7591 fi
7592
7593 if test "$glusterfs_zerofill" = "yes" ; then
7594   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7595 fi
7596
7597 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7598   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7599 fi
7600
7601 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7602   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7603 fi
7604
7605 if test "$libssh" = "yes" ; then
7606   echo "CONFIG_LIBSSH=m" >> $config_host_mak
7607   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7608   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7609 fi
7610
7611 if test "$live_block_migration" = "yes" ; then
7612   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7613 fi
7614
7615 if test "$tpm" = "yes"; then
7616   echo 'CONFIG_TPM=y' >> $config_host_mak
7617 fi
7618
7619 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7620 if have_backend "nop"; then
7621   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7622 fi
7623 if have_backend "simple"; then
7624   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7625   # Set the appropriate trace file.
7626   trace_file="\"$trace_file-\" FMT_pid"
7627 fi
7628 if have_backend "log"; then
7629   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7630 fi
7631 if have_backend "ust"; then
7632   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7633   echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
7634   echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
7635 fi
7636 if have_backend "dtrace"; then
7637   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7638   if test "$trace_backend_stap" = "yes" ; then
7639     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7640   fi
7641 fi
7642 if have_backend "ftrace"; then
7643   if test "$linux" = "yes" ; then
7644     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7645   else
7646     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7647   fi
7648 fi
7649 if have_backend "syslog"; then
7650   if test "$posix_syslog" = "yes" ; then
7651     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7652   else
7653     feature_not_found "syslog(trace backend)" "syslog not available"
7654   fi
7655 fi
7656 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7657
7658 if test "$rdma" = "yes" ; then
7659   echo "CONFIG_RDMA=y" >> $config_host_mak
7660   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7661 fi
7662
7663 if test "$pvrdma" = "yes" ; then
7664   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7665 fi
7666
7667 if test "$have_rtnetlink" = "yes" ; then
7668   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7669 fi
7670
7671 if test "$libxml2" = "yes" ; then
7672   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7673   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7674   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7675 fi
7676
7677 if test "$replication" = "yes" ; then
7678   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7679 fi
7680
7681 if test "$have_af_vsock" = "yes" ; then
7682   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7683 fi
7684
7685 if test "$have_sysmacros" = "yes" ; then
7686   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7687 fi
7688
7689 if test "$have_static_assert" = "yes" ; then
7690   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7691 fi
7692
7693 if test "$have_utmpx" = "yes" ; then
7694   echo "HAVE_UTMPX=y" >> $config_host_mak
7695 fi
7696 if test "$have_getrandom" = "yes" ; then
7697   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7698 fi
7699 if test "$ivshmem" = "yes" ; then
7700   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7701 fi
7702 if test "$capstone" != "no" ; then
7703   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7704 fi
7705 if test "$debug_mutex" = "yes" ; then
7706   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7707 fi
7708
7709 # Hold two types of flag:
7710 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7711 #                                     a thread we have a handle to
7712 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7713 #                                     platform
7714 if test "$pthread_setname_np_w_tid" = "yes" ; then
7715   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7716   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7717 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7718   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7719   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7720 fi
7721
7722 if test "$libpmem" = "yes" ; then
7723   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7724 fi
7725
7726 if test "$libdaxctl" = "yes" ; then
7727   echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
7728 fi
7729
7730 if test "$bochs" = "yes" ; then
7731   echo "CONFIG_BOCHS=y" >> $config_host_mak
7732 fi
7733 if test "$cloop" = "yes" ; then
7734   echo "CONFIG_CLOOP=y" >> $config_host_mak
7735 fi
7736 if test "$dmg" = "yes" ; then
7737   echo "CONFIG_DMG=y" >> $config_host_mak
7738 fi
7739 if test "$qcow1" = "yes" ; then
7740   echo "CONFIG_QCOW1=y" >> $config_host_mak
7741 fi
7742 if test "$vdi" = "yes" ; then
7743   echo "CONFIG_VDI=y" >> $config_host_mak
7744 fi
7745 if test "$vvfat" = "yes" ; then
7746   echo "CONFIG_VVFAT=y" >> $config_host_mak
7747 fi
7748 if test "$qed" = "yes" ; then
7749   echo "CONFIG_QED=y" >> $config_host_mak
7750 fi
7751 if test "$parallels" = "yes" ; then
7752   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7753 fi
7754 if test "$sheepdog" = "yes" ; then
7755   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7756 fi
7757 if test "$pty_h" = "yes" ; then
7758   echo "HAVE_PTY_H=y" >> $config_host_mak
7759 fi
7760 if test "$have_mlockall" = "yes" ; then
7761   echo "HAVE_MLOCKALL=y" >> $config_host_mak
7762 fi
7763 if test "$fuzzing" = "yes" ; then
7764   if test "$have_fuzzer" = "yes"; then
7765     FUZZ_LDFLAGS=" -fsanitize=fuzzer"
7766     FUZZ_CFLAGS=" -fsanitize=fuzzer"
7767     QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
7768   else
7769     error_exit "Your compiler doesn't support -fsanitize=fuzzer"
7770     exit 1
7771   fi
7772 fi
7773
7774 if test "$plugins" = "yes" ; then
7775     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7776     LIBS="-ldl $LIBS"
7777     # Copy the export object list to the build dir
7778     if test "$ld_dynamic_list" = "yes" ; then
7779         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7780         ld_symbols=qemu-plugins-ld.symbols
7781         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7782     elif test "$ld_exported_symbols_list" = "yes" ; then
7783         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7784         ld64_symbols=qemu-plugins-ld64.symbols
7785         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7786         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7787             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7788     else
7789         error_exit \
7790             "If \$plugins=yes, either \$ld_dynamic_list or " \
7791             "\$ld_exported_symbols_list should have been set to 'yes'."
7792     fi
7793 fi
7794
7795 if test -n "$gdb_bin" ; then
7796     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7797 fi
7798
7799 if test "$secret_keyring" = "yes" ; then
7800   echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7801   if test "$have_keyutils" = "yes" ; then
7802     echo "CONFIG_TEST_SECRET_KEYRING=y" >> $config_host_mak
7803   fi
7804 fi
7805
7806 if test "$tcg_interpreter" = "yes"; then
7807   QEMU_INCLUDES="-iquote ${source_path}/tcg/tci $QEMU_INCLUDES"
7808 elif test "$ARCH" = "sparc64" ; then
7809   QEMU_INCLUDES="-iquote ${source_path}/tcg/sparc $QEMU_INCLUDES"
7810 elif test "$ARCH" = "s390x" ; then
7811   QEMU_INCLUDES="-iquote ${source_path}/tcg/s390 $QEMU_INCLUDES"
7812 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7813   QEMU_INCLUDES="-iquote ${source_path}/tcg/i386 $QEMU_INCLUDES"
7814 elif test "$ARCH" = "ppc64" ; then
7815   QEMU_INCLUDES="-iquote ${source_path}/tcg/ppc $QEMU_INCLUDES"
7816 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7817   QEMU_INCLUDES="-I${source_path}/tcg/riscv $QEMU_INCLUDES"
7818 else
7819   QEMU_INCLUDES="-iquote ${source_path}/tcg/${ARCH} $QEMU_INCLUDES"
7820 fi
7821
7822 echo "HELPERS=$helpers" >> $config_host_mak
7823 echo "TOOLS=$tools" >> $config_host_mak
7824 echo "ROMS=$roms" >> $config_host_mak
7825 echo "MAKE=$make" >> $config_host_mak
7826 echo "INSTALL=$install" >> $config_host_mak
7827 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7828 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7829 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7830 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7831 echo "PYTHON=$python" >> $config_host_mak
7832 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7833 echo "SPHINX_WERROR=$sphinx_werror" >> $config_host_mak
7834 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7835 echo "MESON=$meson" >> $config_host_mak
7836 echo "CC=$cc" >> $config_host_mak
7837 if $iasl -h > /dev/null 2>&1; then
7838   echo "IASL=$iasl" >> $config_host_mak
7839 fi
7840 echo "CXX=$cxx" >> $config_host_mak
7841 echo "OBJCC=$objcc" >> $config_host_mak
7842 echo "AR=$ar" >> $config_host_mak
7843 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7844 echo "AS=$as" >> $config_host_mak
7845 echo "CCAS=$ccas" >> $config_host_mak
7846 echo "CPP=$cpp" >> $config_host_mak
7847 echo "OBJCOPY=$objcopy" >> $config_host_mak
7848 echo "LD=$ld" >> $config_host_mak
7849 echo "RANLIB=$ranlib" >> $config_host_mak
7850 echo "NM=$nm" >> $config_host_mak
7851 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7852 echo "WINDRES=$windres" >> $config_host_mak
7853 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7854 echo "CXXFLAGS=$CXXFLAGS" >> $config_host_mak
7855 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7856 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7857 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7858 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7859 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
7860 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
7861 if test "$sparse" = "yes" ; then
7862   echo "SPARSE_CFLAGS = -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7863 fi
7864 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7865 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7866 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7867 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7868 echo "LIBS+=$LIBS" >> $config_host_mak
7869 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7870 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7871 echo "EXESUF=$EXESUF" >> $config_host_mak
7872 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7873 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7874 echo "LIBS_QGA=$libs_qga" >> $config_host_mak
7875 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7876 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7877 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7878 if test "$gcov" = "yes" ; then
7879   echo "CONFIG_GCOV=y" >> $config_host_mak
7880 fi
7881
7882 if test "$libudev" != "no"; then
7883     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7884     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7885 fi
7886 if test "$fuzzing" != "no"; then
7887     echo "CONFIG_FUZZ=y" >> $config_host_mak
7888     echo "FUZZ_CFLAGS=$FUZZ_CFLAGS" >> $config_host_mak
7889     echo "FUZZ_LDFLAGS=$FUZZ_LDFLAGS" >> $config_host_mak
7890 fi
7891
7892 if test "$edk2_blobs" = "yes" ; then
7893   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7894 fi
7895
7896 if test "$rng_none" = "yes"; then
7897   echo "CONFIG_RNG_NONE=y" >> $config_host_mak
7898 fi
7899
7900 # use included Linux headers
7901 if test "$linux" = "yes" ; then
7902   mkdir -p linux-headers
7903   case "$cpu" in
7904   i386|x86_64|x32)
7905     linux_arch=x86
7906     ;;
7907   ppc|ppc64|ppc64le)
7908     linux_arch=powerpc
7909     ;;
7910   s390x)
7911     linux_arch=s390
7912     ;;
7913   aarch64)
7914     linux_arch=arm64
7915     ;;
7916   mips64)
7917     linux_arch=mips
7918     ;;
7919   *)
7920     # For most CPUs the kernel architecture name and QEMU CPU name match.
7921     linux_arch="$cpu"
7922     ;;
7923   esac
7924     # For non-KVM architectures we will not have asm headers
7925     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7926       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7927     fi
7928 fi
7929
7930 for target in $target_list; do
7931 target_dir="$target"
7932 config_target_mak=$target_dir/config-target.mak
7933 target_name=$(echo $target | cut -d '-' -f 1)
7934 target_aligned_only="no"
7935 case "$target_name" in
7936   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7937   target_aligned_only="yes"
7938   ;;
7939 esac
7940 target_bigendian="no"
7941 case "$target_name" in
7942   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7943   target_bigendian="yes"
7944   ;;
7945 esac
7946 target_softmmu="no"
7947 target_user_only="no"
7948 target_linux_user="no"
7949 target_bsd_user="no"
7950 case "$target" in
7951   ${target_name}-softmmu)
7952     target_softmmu="yes"
7953     ;;
7954   ${target_name}-linux-user)
7955     target_user_only="yes"
7956     target_linux_user="yes"
7957     ;;
7958   ${target_name}-bsd-user)
7959     target_user_only="yes"
7960     target_bsd_user="yes"
7961     ;;
7962   *)
7963     error_exit "Target '$target' not recognised"
7964     exit 1
7965     ;;
7966 esac
7967
7968 mkdir -p $target_dir
7969 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7970
7971 bflt="no"
7972 mttcg="no"
7973 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7974 gdb_xml_files=""
7975
7976 TARGET_ARCH="$target_name"
7977 TARGET_BASE_ARCH=""
7978 TARGET_ABI_DIR=""
7979
7980 case "$target_name" in
7981   i386)
7982     mttcg="yes"
7983         gdb_xml_files="i386-32bit.xml"
7984     TARGET_SYSTBL_ABI=i386
7985   ;;
7986   x86_64)
7987     TARGET_BASE_ARCH=i386
7988     TARGET_SYSTBL_ABI=common,64
7989     mttcg="yes"
7990         gdb_xml_files="i386-64bit.xml"
7991   ;;
7992   alpha)
7993     mttcg="yes"
7994     TARGET_SYSTBL_ABI=common
7995   ;;
7996   arm|armeb)
7997     TARGET_ARCH=arm
7998     TARGET_SYSTBL_ABI=common,oabi
7999     bflt="yes"
8000     mttcg="yes"
8001     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
8002   ;;
8003   aarch64|aarch64_be)
8004     TARGET_ARCH=aarch64
8005     TARGET_BASE_ARCH=arm
8006     bflt="yes"
8007     mttcg="yes"
8008     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"
8009   ;;
8010   avr)
8011     gdb_xml_files="avr-cpu.xml"
8012     target_compiler=$cross_cc_avr
8013   ;;
8014   cris)
8015   ;;
8016   hppa)
8017     mttcg="yes"
8018     TARGET_SYSTBL_ABI=common,32
8019   ;;
8020   lm32)
8021   ;;
8022   m68k)
8023     bflt="yes"
8024     gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
8025     TARGET_SYSTBL_ABI=common
8026   ;;
8027   microblaze|microblazeel)
8028     TARGET_ARCH=microblaze
8029     TARGET_SYSTBL_ABI=common
8030     bflt="yes"
8031     echo "TARGET_ABI32=y" >> $config_target_mak
8032   ;;
8033   mips|mipsel)
8034     mttcg="yes"
8035     TARGET_ARCH=mips
8036     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
8037     TARGET_SYSTBL_ABI=o32
8038   ;;
8039   mipsn32|mipsn32el)
8040     mttcg="yes"
8041     TARGET_ARCH=mips64
8042     TARGET_BASE_ARCH=mips
8043     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
8044     echo "TARGET_ABI32=y" >> $config_target_mak
8045     TARGET_SYSTBL_ABI=n32
8046   ;;
8047   mips64|mips64el)
8048     mttcg="no"
8049     TARGET_ARCH=mips64
8050     TARGET_BASE_ARCH=mips
8051     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
8052     TARGET_SYSTBL_ABI=n64
8053   ;;
8054   moxie)
8055   ;;
8056   nios2)
8057   ;;
8058   or1k)
8059     TARGET_ARCH=openrisc
8060     TARGET_BASE_ARCH=openrisc
8061   ;;
8062   ppc)
8063     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
8064     TARGET_SYSTBL_ABI=common,nospu,32
8065   ;;
8066   ppc64)
8067     TARGET_BASE_ARCH=ppc
8068     TARGET_ABI_DIR=ppc
8069     TARGET_SYSTBL_ABI=common,nospu,64
8070     mttcg=yes
8071     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8072   ;;
8073   ppc64le)
8074     TARGET_ARCH=ppc64
8075     TARGET_BASE_ARCH=ppc
8076     TARGET_ABI_DIR=ppc
8077     TARGET_SYSTBL_ABI=common,nospu,64
8078     mttcg=yes
8079     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8080   ;;
8081   ppc64abi32)
8082     TARGET_ARCH=ppc64
8083     TARGET_BASE_ARCH=ppc
8084     TARGET_ABI_DIR=ppc
8085     TARGET_SYSTBL_ABI=common,nospu,32
8086     echo "TARGET_ABI32=y" >> $config_target_mak
8087     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8088   ;;
8089   riscv32)
8090     TARGET_BASE_ARCH=riscv
8091     TARGET_ABI_DIR=riscv
8092     mttcg=yes
8093     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
8094   ;;
8095   riscv64)
8096     TARGET_BASE_ARCH=riscv
8097     TARGET_ABI_DIR=riscv
8098     mttcg=yes
8099     gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
8100   ;;
8101   rx)
8102     TARGET_ARCH=rx
8103     bflt="yes"
8104     target_compiler=$cross_cc_rx
8105     gdb_xml_files="rx-core.xml"
8106   ;;
8107   sh4|sh4eb)
8108     TARGET_ARCH=sh4
8109     TARGET_SYSTBL_ABI=common
8110     bflt="yes"
8111   ;;
8112   sparc)
8113     TARGET_SYSTBL_ABI=common,32
8114   ;;
8115   sparc64)
8116     TARGET_BASE_ARCH=sparc
8117     TARGET_SYSTBL_ABI=common,64
8118   ;;
8119   sparc32plus)
8120     TARGET_ARCH=sparc64
8121     TARGET_BASE_ARCH=sparc
8122     TARGET_ABI_DIR=sparc
8123     TARGET_SYSTBL_ABI=common,32
8124     echo "TARGET_ABI32=y" >> $config_target_mak
8125   ;;
8126   s390x)
8127     TARGET_SYSTBL_ABI=common,64
8128     mttcg=yes
8129     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
8130   ;;
8131   tilegx)
8132   ;;
8133   tricore)
8134   ;;
8135   unicore32)
8136   ;;
8137   xtensa|xtensaeb)
8138     TARGET_ARCH=xtensa
8139     TARGET_SYSTBL_ABI=common
8140     bflt="yes"
8141     mttcg="yes"
8142   ;;
8143   *)
8144     error_exit "Unsupported target CPU"
8145   ;;
8146 esac
8147 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
8148 if [ "$TARGET_BASE_ARCH" = "" ]; then
8149   TARGET_BASE_ARCH=$TARGET_ARCH
8150 fi
8151
8152 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
8153
8154 upper() {
8155     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
8156 }
8157
8158 target_arch_name="$(upper $TARGET_ARCH)"
8159 echo "TARGET_$target_arch_name=y" >> $config_target_mak
8160 echo "TARGET_NAME=$target_name" >> $config_target_mak
8161 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
8162 if [ "$TARGET_ABI_DIR" = "" ]; then
8163   TARGET_ABI_DIR=$TARGET_ARCH
8164 fi
8165 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
8166 if [ "$HOST_VARIANT_DIR" != "" ]; then
8167     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
8168 fi
8169 if [ "$TARGET_SYSTBL_ABI" != "" ]; then
8170     echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
8171 fi
8172
8173 if supported_xen_target $target; then
8174     echo "CONFIG_XEN=y" >> $config_target_mak
8175     if test "$xen_pci_passthrough" = yes; then
8176         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
8177     fi
8178 fi
8179 if supported_kvm_target $target; then
8180     echo "CONFIG_KVM=y" >> $config_target_mak
8181 fi
8182 if supported_hax_target $target; then
8183     echo "CONFIG_HAX=y" >> $config_target_mak
8184 fi
8185 if supported_hvf_target $target; then
8186     echo "CONFIG_HVF=y" >> $config_target_mak
8187 fi
8188 if supported_whpx_target $target; then
8189     echo "CONFIG_WHPX=y" >> $config_target_mak
8190 fi
8191 if test "$target_aligned_only" = "yes" ; then
8192   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
8193 fi
8194 if test "$target_bigendian" = "yes" ; then
8195   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
8196 fi
8197 if test "$target_softmmu" = "yes" ; then
8198   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
8199   if test "$mttcg" = "yes" ; then
8200     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
8201   fi
8202 fi
8203 if test "$target_user_only" = "yes" ; then
8204   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
8205   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
8206 fi
8207 if test "$target_linux_user" = "yes" ; then
8208   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
8209 fi
8210 list=""
8211 if test ! -z "$gdb_xml_files" ; then
8212   for x in $gdb_xml_files; do
8213     list="$list $source_path/gdb-xml/$x"
8214   done
8215   echo "TARGET_XML_FILES=$list" >> $config_target_mak
8216 fi
8217
8218 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
8219   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
8220 fi
8221 if test "$target_bsd_user" = "yes" ; then
8222   echo "CONFIG_BSD_USER=y" >> $config_target_mak
8223 fi
8224
8225
8226 # generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
8227
8228 cflags=""
8229 ldflags=""
8230
8231 disas_config() {
8232   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
8233   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
8234 }
8235
8236 for i in $ARCH $TARGET_BASE_ARCH ; do
8237   case "$i" in
8238   alpha)
8239     disas_config "ALPHA"
8240   ;;
8241   aarch64)
8242     if test -n "${cxx}"; then
8243       disas_config "ARM_A64"
8244     fi
8245   ;;
8246   arm)
8247     disas_config "ARM"
8248     if test -n "${cxx}"; then
8249       disas_config "ARM_A64"
8250     fi
8251   ;;
8252   avr)
8253     disas_config "AVR"
8254   ;;
8255   cris)
8256     disas_config "CRIS"
8257   ;;
8258   hppa)
8259     disas_config "HPPA"
8260   ;;
8261   i386|x86_64|x32)
8262     disas_config "I386"
8263   ;;
8264   lm32)
8265     disas_config "LM32"
8266   ;;
8267   m68k)
8268     disas_config "M68K"
8269   ;;
8270   microblaze*)
8271     disas_config "MICROBLAZE"
8272   ;;
8273   mips*)
8274     disas_config "MIPS"
8275     if test -n "${cxx}"; then
8276       disas_config "NANOMIPS"
8277     fi
8278   ;;
8279   moxie*)
8280     disas_config "MOXIE"
8281   ;;
8282   nios2)
8283     disas_config "NIOS2"
8284   ;;
8285   or1k)
8286     disas_config "OPENRISC"
8287   ;;
8288   ppc*)
8289     disas_config "PPC"
8290   ;;
8291   riscv*)
8292     disas_config "RISCV"
8293   ;;
8294   rx)
8295     disas_config "RX"
8296   ;;
8297   s390*)
8298     disas_config "S390"
8299   ;;
8300   sh4)
8301     disas_config "SH4"
8302   ;;
8303   sparc*)
8304     disas_config "SPARC"
8305   ;;
8306   xtensa*)
8307     disas_config "XTENSA"
8308   ;;
8309   esac
8310 done
8311 if test "$tcg_interpreter" = "yes" ; then
8312   disas_config "TCI"
8313 fi
8314
8315 # Newer kernels on s390 check for an S390_PGSTE program header and
8316 # enable the pgste page table extensions in that case. This makes
8317 # the vm.allocate_pgste sysctl unnecessary. We enable this program
8318 # header if
8319 #  - we build on s390x
8320 #  - we build the system emulation for s390x (qemu-system-s390x)
8321 #  - KVM is enabled
8322 #  - the linker supports --s390-pgste
8323 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
8324         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
8325     if ld_has --s390-pgste ; then
8326         ldflags="-Wl,--s390-pgste $ldflags"
8327     fi
8328 fi
8329
8330 echo "QEMU_LDFLAGS+=$ldflags" >> $config_target_mak
8331 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
8332
8333 done # for target in $targets
8334
8335 echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
8336 echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
8337
8338 if [ "$fdt" = "git" ]; then
8339   echo "config-host.h: dtc/all" >> $config_host_mak
8340 fi
8341 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8342   echo "config-host.h: capstone/all" >> $config_host_mak
8343 fi
8344 if test -n "$LIBCAPSTONE"; then
8345   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8346 fi
8347
8348 if test "$numa" = "yes"; then
8349   echo "CONFIG_NUMA=y" >> $config_host_mak
8350 fi
8351
8352 if test "$ccache_cpp2" = "yes"; then
8353   echo "export CCACHE_CPP2=y" >> $config_host_mak
8354 fi
8355
8356 if test "$safe_stack" = "yes"; then
8357   echo "CONFIG_SAFESTACK=y" >> $config_host_mak
8358 fi
8359
8360 # If we're using a separate build tree, set it up now.
8361 # DIRS are directories which we simply mkdir in the build tree;
8362 # LINKS are things to symlink back into the source tree
8363 # (these can be both files and directories).
8364 # Caution: do not add files or directories here using wildcards. This
8365 # will result in problems later if a new file matching the wildcard is
8366 # added to the source tree -- nothing will cause configure to be rerun
8367 # so the build tree will be missing the link back to the new file, and
8368 # tests might fail. Prefer to keep the relevant files in their own
8369 # directory and symlink the directory instead.
8370 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8371 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8372 DIRS="$DIRS docs docs/interop fsdev scsi"
8373 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8374 DIRS="$DIRS roms/seabios"
8375 LINKS="Makefile"
8376 LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
8377 LINKS="$LINKS tests/tcg/Makefile.target"
8378 LINKS="$LINKS tests/plugin/Makefile"
8379 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
8380 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8381 LINKS="$LINKS roms/seabios/Makefile"
8382 LINKS="$LINKS pc-bios/qemu-icon.bmp"
8383 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8384 LINKS="$LINKS tests/acceptance tests/data"
8385 LINKS="$LINKS tests/qemu-iotests/check"
8386 LINKS="$LINKS python"
8387 for bios_file in \
8388     $source_path/pc-bios/*.bin \
8389     $source_path/pc-bios/*.lid \
8390     $source_path/pc-bios/*.rom \
8391     $source_path/pc-bios/*.dtb \
8392     $source_path/pc-bios/*.img \
8393     $source_path/pc-bios/openbios-* \
8394     $source_path/pc-bios/u-boot.* \
8395     $source_path/pc-bios/edk2-*.fd.bz2 \
8396     $source_path/pc-bios/palcode-*
8397 do
8398     LINKS="$LINKS pc-bios/$(basename $bios_file)"
8399 done
8400 mkdir -p $DIRS
8401 for f in $LINKS ; do
8402     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8403         symlink "$source_path/$f" "$f"
8404     fi
8405 done
8406
8407 (for i in $cross_cc_vars; do
8408   export $i
8409 done
8410 export target_list source_path use_containers
8411 $source_path/tests/tcg/configure.sh)
8412
8413 # temporary config to build submodules
8414 for rom in seabios; do
8415     config_mak=roms/$rom/config.mak
8416     echo "# Automatically generated by configure - do not modify" > $config_mak
8417     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8418     echo "AS=$as" >> $config_mak
8419     echo "CCAS=$ccas" >> $config_mak
8420     echo "CC=$cc" >> $config_mak
8421     echo "BCC=bcc" >> $config_mak
8422     echo "CPP=$cpp" >> $config_mak
8423     echo "OBJCOPY=objcopy" >> $config_mak
8424     echo "IASL=$iasl" >> $config_mak
8425     echo "LD=$ld" >> $config_mak
8426     echo "RANLIB=$ranlib" >> $config_mak
8427 done
8428
8429 # set up qemu-iotests in this build directory
8430 iotests_common_env="tests/qemu-iotests/common.env"
8431
8432 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8433 echo >> "$iotests_common_env"
8434 echo "export PYTHON='$python'" >> "$iotests_common_env"
8435
8436 if test "$skip_meson" = no; then
8437 cross="config-meson.cross.new"
8438 meson_quote() {
8439     echo "['$(echo $* | sed "s/ /','/g")']"
8440 }
8441
8442 echo "# Automatically generated by configure - do not modify" > $cross
8443 echo "[properties]" >> $cross
8444 test -z "$cxx" && echo "link_language = 'c'" >> $cross
8445 echo "[binaries]" >> $cross
8446 echo "c = $(meson_quote $cc)" >> $cross
8447 test -n "$cxx" && echo "cpp = $(meson_quote $cxx)" >> $cross
8448 echo "ar = $(meson_quote $ar)" >> $cross
8449 echo "nm = $(meson_quote $nm)" >> $cross
8450 echo "pkgconfig = $(meson_quote $pkg_config_exe)" >> $cross
8451 echo "ranlib = $(meson_quote $ranlib)" >> $cross
8452 echo "strip = $(meson_quote $strip)" >> $cross
8453 echo "windres = $(meson_quote $windres)" >> $cross
8454 if test -n "$cross_prefix"; then
8455     cross_arg="--cross-file config-meson.cross"
8456     # Hack: Meson expects an absolute path for the *build* machine
8457     # for the prefix, so add a slash in front of a Windows path that
8458     # includes a drive letter.
8459     #
8460     # See https://github.com/mesonbuild/meson/issues/7577.
8461     echo "[host_machine]" >> $cross
8462     if test "$mingw32" = "yes" ; then
8463         echo "system = 'windows'" >> $cross
8464         case $prefix in
8465             ?:*) pre_prefix=/ ;;
8466         esac
8467     fi
8468     case "$ARCH" in
8469         i386|x86_64)
8470             echo "cpu_family = 'x86'" >> $cross
8471             ;;
8472         ppc64le)
8473             echo "cpu_family = 'ppc64'" >> $cross
8474             ;;
8475         *)
8476             echo "cpu_family = '$ARCH'" >> $cross
8477             ;;
8478     esac
8479     echo "cpu = '$cpu'" >> $cross
8480     if test "$bigendian" = "yes" ; then
8481         echo "endian = 'big'" >> $cross
8482     else
8483         echo "endian = 'little'" >> $cross
8484     fi
8485 else
8486     cross_arg="--native-file config-meson.cross"
8487 fi
8488 mv $cross config-meson.cross
8489
8490 rm -rf meson-private meson-info meson-logs
8491 NINJA=$PWD/ninjatool $meson setup \
8492         --prefix "${pre_prefix}$prefix" \
8493         --libdir "${pre_prefix}$libdir" \
8494         --libexecdir "${pre_prefix}$libexecdir" \
8495         --bindir "${pre_prefix}$bindir" \
8496         --includedir "${pre_prefix}$includedir" \
8497         --datadir "${pre_prefix}$datadir" \
8498         --mandir "${pre_prefix}$mandir" \
8499         --sysconfdir "${pre_prefix}$sysconfdir" \
8500         --localstatedir "${pre_prefix}$local_statedir" \
8501         -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
8502         -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
8503         -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
8504         -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
8505         -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
8506         -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
8507         $cross_arg \
8508         "$PWD" "$source_path"
8509
8510 if test "$?" -ne 0 ; then
8511     error_exit "meson setup failed"
8512 fi
8513 touch ninjatool.stamp
8514 fi
8515
8516 # Save the configure command line for later reuse.
8517 cat <<EOD >config.status
8518 #!/bin/sh
8519 # Generated by configure.
8520 # Run this file to recreate the current configuration.
8521 # Compiler output produced by configure, useful for debugging
8522 # configure, is in config.log if it exists.
8523 EOD
8524
8525 preserve_env() {
8526     envname=$1
8527
8528     eval envval=\$$envname
8529
8530     if test -n "$envval"
8531     then
8532         echo "$envname='$envval'" >> config.status
8533         echo "export $envname" >> config.status
8534     else
8535         echo "unset $envname" >> config.status
8536     fi
8537 }
8538
8539 # Preserve various env variables that influence what
8540 # features/build target configure will detect
8541 preserve_env AR
8542 preserve_env AS
8543 preserve_env CC
8544 preserve_env CPP
8545 preserve_env CXX
8546 preserve_env INSTALL
8547 preserve_env LD
8548 preserve_env LD_LIBRARY_PATH
8549 preserve_env LIBTOOL
8550 preserve_env MAKE
8551 preserve_env NM
8552 preserve_env OBJCOPY
8553 preserve_env PATH
8554 preserve_env PKG_CONFIG
8555 preserve_env PKG_CONFIG_LIBDIR
8556 preserve_env PKG_CONFIG_PATH
8557 preserve_env PYTHON
8558 preserve_env SDL2_CONFIG
8559 preserve_env SMBD
8560 preserve_env STRIP
8561 preserve_env WINDRES
8562
8563 printf "exec" >>config.status
8564 for i in "$0" "$@"; do
8565   test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
8566 done
8567 echo ' "$@"' >>config.status
8568 chmod +x config.status
8569
8570 rm -r "$TMPDIR1"