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}/${TMPB}.exe"
  81 TMPTXT="${TMPDIR1}/${TMPB}.txt"
  82
  83 rm -f config.log
  84
  85 # Print a helpful header at the top of config.log
  86 echo "# QEMU configure log $(date)" >> config.log
  87 printf "# Configured with:" >> config.log
  88 printf " '%s'" "$0" "$@" >> config.log
  89 echo >> config.log
  90 echo "#" >> config.log
  91
  92 print_error() {
  93     (echo
  94     echo "ERROR: $1"
  95     while test -n "$2"; do
  96         echo "       $2"
  97         shift
  98     done
  99     echo) >&2
 100 }
 101
 102 error_exit() {
 103     print_error "$@"
 104     exit 1
 105 }
 106
 107 do_compiler() {
 108     # Run the compiler, capturing its output to the log. First argument
 109     # is compiler binary to execute.
 110     local compiler="$1"
 111     shift
 112     if test -n "$BASH_VERSION"; then eval '
 113         echo >>config.log "
 114 funcs: ${FUNCNAME[*]}
 115 lines: ${BASH_LINENO[*]}"
 116     '; fi
 117     echo $compiler "$@" >> config.log
 118     $compiler "$@" >> config.log 2>&1 || return $?
 119     # Test passed. If this is an --enable-werror build, rerun
 120     # the test with -Werror and bail out if it fails. This
 121     # makes warning-generating-errors in configure test code
 122     # obvious to developers.
 123     if test "$werror" != "yes"; then
 124         return 0
 125     fi
 126     # Don't bother rerunning the compile if we were already using -Werror
 127     case "$*" in
 128         *-Werror*)
 129            return 0
 130         ;;
 131     esac
 132     echo $compiler -Werror "$@" >> config.log
 133     $compiler -Werror "$@" >> config.log 2>&1 && return $?
 134     error_exit "configure test passed without -Werror but failed with -Werror." \
 135         "This is probably a bug in the configure script. The failing command" \
 136         "will be at the bottom of config.log." \
 137         "You can run configure with --disable-werror to bypass this check."
 138 }
 139
 140 do_cc() {
 141     do_compiler "$cc" "$@"
 142 }
 143
 144 do_cxx() {
 145     do_compiler "$cxx" "$@"
 146 }
 147
 148 # Append $2 to the variable named $1, with space separation
 149 add_to() {
 150     eval $1=\${$1:+\"\$$1 \"}\$2
 151 }
 152
 153 update_cxxflags() {
 154     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 155     # options which some versions of GCC's C++ compiler complain about
 156     # because they only make sense for C programs.
 157     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
 158     CXXFLAGS=$(echo "$CFLAGS" | sed s/-std=gnu99/-std=gnu++11/)
 159     for arg in $QEMU_CFLAGS; do
 160         case $arg in
 161             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 162             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 163                 ;;
 164             *)
 165                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 166                 ;;
 167         esac
 168     done
 169 }
 170
 171 compile_object() {
 172   local_cflags="$1"
 173   do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 174 }
 175
 176 compile_prog() {
 177   local_cflags="$1"
 178   local_ldflags="$2"
 179   do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $QEMU_LDFLAGS $local_ldflags
 180 }
 181
 182 # symbolically link $1 to $2.  Portable version of "ln -sf".
 183 symlink() {
 184   rm -rf "$2"
 185   mkdir -p "$(dirname "$2")"
 186   ln -s "$1" "$2"
 187 }
 188
 189 # check whether a command is available to this shell (may be either an
 190 # executable or a builtin)
 191 has() {
 192     type "$1" >/dev/null 2>&1
 193 }
 194
 195 version_ge () {
 196     local_ver1=`echo $1 | tr . ' '`
 197     local_ver2=`echo $2 | tr . ' '`
 198     while true; do
 199         set x $local_ver1
 200         local_first=${2-0}
 201         # 'shift 2' if $2 is set, or 'shift' if $2 is not set
 202         shift ${2:+2}
 203         local_ver1=$*
 204         set x $local_ver2
 205         # the second argument finished, the first must be greater or equal
 206         test $# = 1 && return 0
 207         test $local_first -lt $2 && return 1
 208         test $local_first -gt $2 && return 0
 209         shift ${2:+2}
 210         local_ver2=$*
 211     done
 212 }
 213
 214 have_backend () {
 215     echo "$trace_backends" | grep "$1" >/dev/null
 216 }
 217
 218 glob() {
 219     eval test -z '"${1#'"$2"'}"'
 220 }
 221
 222 supported_hax_target() {
 223     test "$hax" = "enabled" || return 1
 224     glob "$1" "*-softmmu" || return 1
 225     case "${1%-softmmu}" in
 226         i386|x86_64)
 227             return 0
 228         ;;
 229     esac
 230     return 1
 231 }
 232
 233 supported_kvm_target() {
 234     test "$kvm" = "enabled" || return 1
 235     glob "$1" "*-softmmu" || return 1
 236     case "${1%-softmmu}:$cpu" in
 237         aarch64:aarch64 | \
 238         i386:i386 | i386:x86_64 | i386:x32 | \
 239         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 240         mips:mips | mipsel:mips | mips64:mips | mips64el:mips | \
 241         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
 242         s390x:s390x)
 243             return 0
 244         ;;
 245     esac
 246     return 1
 247 }
 248
 249 supported_xen_target() {
 250     test "$xen" = "enabled" || return 1
 251     glob "$1" "*-softmmu" || return 1
 252     # Only i386 and x86_64 provide the xenpv machine.
 253     case "${1%-softmmu}" in
 254         i386|x86_64)
 255             return 0
 256         ;;
 257     esac
 258     return 1
 259 }
 260
 261 supported_hvf_target() {
 262     test "$hvf" = "enabled" || return 1
 263     glob "$1" "*-softmmu" || return 1
 264     case "${1%-softmmu}" in
 265         x86_64)
 266             return 0
 267         ;;
 268     esac
 269     return 1
 270 }
 271
 272 supported_whpx_target() {
 273     test "$whpx" = "enabled" || return 1
 274     glob "$1" "*-softmmu" || return 1
 275     case "${1%-softmmu}" in
 276         i386|x86_64)
 277             return 0
 278         ;;
 279     esac
 280     return 1
 281 }
 282
 283 deprecated_targets_list=ppc64abi32-linux-user,tilegx-linux-user,lm32-softmmu,unicore32-softmmu
 284 deprecated_features=""
 285
 286 supported_target() {
 287     case "$1" in
 288         *-softmmu)
 289             ;;
 290         *-linux-user)
 291             if test "$linux" != "yes"; then
 292                 print_error "Target '$target' is only available on a Linux host"
 293                 return 1
 294             fi
 295             ;;
 296         *-bsd-user)
 297             if test "$bsd" != "yes"; then
 298                 print_error "Target '$target' is only available on a BSD host"
 299                 return 1
 300             fi
 301             ;;
 302         *)
 303             print_error "Invalid target name '$target'"
 304             return 1
 305             ;;
 306     esac
 307
 308     # if a deprecated target is enabled we note it here
 309     if echo "$deprecated_targets_list" | grep -q "$1"; then
 310         add_to deprecated_features $1
 311     fi
 312
 313     test "$tcg" = "enabled" && return 0
 314     supported_kvm_target "$1" && return 0
 315     supported_xen_target "$1" && return 0
 316     supported_hax_target "$1" && return 0
 317     supported_hvf_target "$1" && return 0
 318     supported_whpx_target "$1" && return 0
 319     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 320     return 1
 321 }
 322
 323
 324 ld_has() {
 325     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 326 }
 327
 328 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 329 then
 330   error_exit "main directory cannot contain spaces nor colons"
 331 fi
 332
 333 # default parameters
 334 cpu=""
 335 iasl="iasl"
 336 interp_prefix="/usr/gnemul/qemu-%M"
 337 static="no"
 338 cross_prefix=""
 339 audio_drv_list=""
 340 block_drv_rw_whitelist=""
 341 block_drv_ro_whitelist=""
 342 host_cc="cc"
 343 audio_win_int=""
 344 libs_qga=""
 345 debug_info="yes"
 346 stack_protector=""
 347 safe_stack=""
 348 use_containers="yes"
 349 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 350
 351 if test -e "$source_path/.git"
 352 then
 353     git_update=yes
 354     git_submodules="ui/keycodemapdb"
 355     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 356     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 357 else
 358     git_update=no
 359     git_submodules=""
 360
 361     if ! test -f "$source_path/ui/keycodemapdb/README"
 362     then
 363         echo
 364         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 365         echo
 366         echo "This is not a GIT checkout but module content appears to"
 367         echo "be missing. Do not use 'git archive' or GitHub download links"
 368         echo "to acquire QEMU source archives. Non-GIT builds are only"
 369         echo "supported with source archives linked from:"
 370         echo
 371         echo "  https://www.qemu.org/download/#source"
 372         echo
 373         echo "Developers working with GIT can use scripts/archive-source.sh"
 374         echo "if they need to create valid source archives."
 375         echo
 376         exit 1
 377     fi
 378 fi
 379 git="git"
 380
 381 # Don't accept a target_list environment variable.
 382 unset target_list
 383 unset target_list_exclude
 384
 385 # Default value for a variable defining feature "foo".
 386 #  * foo="no"  feature will only be used if --enable-foo arg is given
 387 #  * foo=""    feature will be searched for, and if found, will be used
 388 #              unless --disable-foo is given
 389 #  * foo="yes" this value will only be set by --enable-foo flag.
 390 #              feature will searched for,
 391 #              if not found, configure exits with error
 392 #
 393 # Always add --enable-foo and --disable-foo command line args.
 394 # Distributions want to ensure that several features are compiled in, and it
 395 # is impossible without a --enable-foo that exits if a feature is not found.
 396
 397 brlapi=""
 398 curl=""
 399 curses=""
 400 docs=""
 401 fdt=""
 402 netmap="no"
 403 sdl="auto"
 404 sdl_image="auto"
 405 virtfs=""
 406 mpath="auto"
 407 vnc="enabled"
 408 sparse="no"
 409 vde=""
 410 vnc_sasl="auto"
 411 vnc_jpeg="auto"
 412 vnc_png="auto"
 413 xkbcommon="auto"
 414 xen=""
 415 xen_ctrl_version=""
 416 xen_pci_passthrough="auto"
 417 linux_aio=""
 418 linux_io_uring=""
 419 cap_ng=""
 420 attr=""
 421 libattr=""
 422 xfs=""
 423 tcg="enabled"
 424 membarrier=""
 425 vhost_net=""
 426 vhost_crypto=""
 427 vhost_scsi=""
 428 vhost_vsock=""
 429 vhost_user=""
 430 vhost_user_fs=""
 431 kvm="auto"
 432 hax="auto"
 433 hvf="auto"
 434 whpx="auto"
 435 rdma=""
 436 pvrdma=""
 437 gprof="no"
 438 debug_tcg="no"
 439 debug="no"
 440 sanitizers="no"
 441 tsan="no"
 442 fortify_source=""
 443 strip_opt="yes"
 444 tcg_interpreter="no"
 445 bigendian="no"
 446 mingw32="no"
 447 gcov="no"
 448 EXESUF=""
 449 HOST_DSOSUF=".so"
 450 modules="no"
 451 module_upgrades="no"
 452 prefix="/usr/local"
 453 qemu_suffix="qemu"
 454 slirp=""
 455 oss_lib=""
 456 bsd="no"
 457 linux="no"
 458 solaris="no"
 459 profiler="no"
 460 cocoa="auto"
 461 softmmu="yes"
 462 linux_user="no"
 463 bsd_user="no"
 464 blobs="yes"
 465 edk2_blobs="no"
 466 pkgversion=""
 467 pie=""
 468 qom_cast_debug="yes"
 469 trace_backends="log"
 470 trace_file="trace"
 471 spice=""
 472 rbd=""
 473 smartcard=""
 474 u2f="auto"
 475 libusb=""
 476 usb_redir=""
 477 opengl=""
 478 opengl_dmabuf="no"
 479 cpuid_h="no"
 480 avx2_opt=""
 481 capstone=""
 482 lzo=""
 483 snappy=""
 484 bzip2=""
 485 lzfse=""
 486 zstd=""
 487 guest_agent=""
 488 guest_agent_with_vss="no"
 489 guest_agent_ntddscsi="no"
 490 guest_agent_msi=""
 491 vss_win32_sdk=""
 492 win_sdk="no"
 493 want_tools=""
 494 libiscsi=""
 495 libnfs=""
 496 coroutine=""
 497 coroutine_pool=""
 498 debug_stack_usage="no"
 499 crypto_afalg="no"
 500 seccomp=""
 501 glusterfs=""
 502 glusterfs_xlator_opt="no"
 503 glusterfs_discard="no"
 504 glusterfs_fallocate="no"
 505 glusterfs_zerofill="no"
 506 glusterfs_ftruncate_has_stat="no"
 507 glusterfs_iocb_has_stat="no"
 508 gtk=""
 509 gtk_gl="no"
 510 tls_priority="NORMAL"
 511 gnutls=""
 512 nettle=""
 513 nettle_xts="no"
 514 gcrypt=""
 515 gcrypt_hmac="no"
 516 gcrypt_xts="no"
 517 qemu_private_xts="yes"
 518 auth_pam=""
 519 vte=""
 520 virglrenderer=""
 521 tpm=""
 522 libssh=""
 523 live_block_migration="yes"
 524 numa=""
 525 tcmalloc="no"
 526 jemalloc="no"
 527 replication="yes"
 528 bochs="yes"
 529 cloop="yes"
 530 dmg="yes"
 531 qcow1="yes"
 532 vdi="yes"
 533 vvfat="yes"
 534 qed="yes"
 535 parallels="yes"
 536 sheepdog="yes"
 537 libxml2=""
 538 debug_mutex="no"
 539 libpmem=""
 540 default_devices="yes"
 541 plugins="no"
 542 fuzzing="no"
 543 rng_none="no"
 544 secret_keyring=""
 545 libdaxctl=""
 546 meson=""
 547 ninja=""
 548 skip_meson=no
 549 gettext=""
 550
 551 bogus_os="no"
 552 malloc_trim="auto"
 553
 554 # parse CC options first
 555 for opt do
 556   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 557   case "$opt" in
 558   --cross-prefix=*) cross_prefix="$optarg"
 559   ;;
 560   --cc=*) CC="$optarg"
 561   ;;
 562   --cxx=*) CXX="$optarg"
 563   ;;
 564   --cpu=*) cpu="$optarg"
 565   ;;
 566   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 567                     QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 568   ;;
 569   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 570   ;;
 571   --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 572                      EXTRA_LDFLAGS="$optarg"
 573   ;;
 574   --enable-debug-info) debug_info="yes"
 575   ;;
 576   --disable-debug-info) debug_info="no"
 577   ;;
 578   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 579   ;;
 580   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 581                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 582                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 583   ;;
 584   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 585                 cc_archs="$cc_archs $cc_arch"
 586                 eval "cross_cc_${cc_arch}=\$optarg"
 587                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 588   ;;
 589   esac
 590 done
 591 # OS specific
 592 # Using uname is really, really broken.  Once we have the right set of checks
 593 # we can eliminate its usage altogether.
 594
 595 # Preferred compiler:
 596 #  ${CC} (if set)
 597 #  ${cross_prefix}gcc (if cross-prefix specified)
 598 #  system compiler
 599 if test -z "${CC}${cross_prefix}"; then
 600   cc="$host_cc"
 601 else
 602   cc="${CC-${cross_prefix}gcc}"
 603 fi
 604
 605 if test -z "${CXX}${cross_prefix}"; then
 606   cxx="c++"
 607 else
 608   cxx="${CXX-${cross_prefix}g++}"
 609 fi
 610
 611 ar="${AR-${cross_prefix}ar}"
 612 as="${AS-${cross_prefix}as}"
 613 ccas="${CCAS-$cc}"
 614 cpp="${CPP-$cc -E}"
 615 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 616 ld="${LD-${cross_prefix}ld}"
 617 ranlib="${RANLIB-${cross_prefix}ranlib}"
 618 nm="${NM-${cross_prefix}nm}"
 619 strip="${STRIP-${cross_prefix}strip}"
 620 windres="${WINDRES-${cross_prefix}windres}"
 621 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 622 query_pkg_config() {
 623     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 624 }
 625 pkg_config=query_pkg_config
 626 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 627
 628 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 629 ARFLAGS="${ARFLAGS-rv}"
 630
 631 # default flags for all hosts
 632 # We use -fwrapv to tell the compiler that we require a C dialect where
 633 # left shift of signed integers is well defined and has the expected
 634 # 2s-complement style results. (Both clang and gcc agree that it
 635 # provides these semantics.)
 636 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 637 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 638 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 639 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 640 QEMU_INCLUDES="-iquote . -iquote ${source_path} -iquote ${source_path}/accel/tcg -iquote ${source_path}/include"
 641 QEMU_INCLUDES="$QEMU_INCLUDES -iquote ${source_path}/disas/libvixl"
 642 CFLAGS="-std=gnu99 -Wall"
 643
 644
 645 check_define() {
 646 cat > $TMPC <<EOF
 647 #if !defined($1)
 648 #error $1 not defined
 649 #endif
 650 int main(void) { return 0; }
 651 EOF
 652   compile_object
 653 }
 654
 655 check_include() {
 656 cat > $TMPC <<EOF
 657 #include <$1>
 658 int main(void) { return 0; }
 659 EOF
 660   compile_object
 661 }
 662
 663 write_c_skeleton() {
 664     cat > $TMPC <<EOF
 665 int main(void) { return 0; }
 666 EOF
 667 }
 668
 669 write_c_fuzzer_skeleton() {
 670     cat > $TMPC <<EOF
 671 #include <stdint.h>
 672 #include <sys/types.h>
 673 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 674 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 675 EOF
 676 }
 677
 678 if check_define __linux__ ; then
 679   targetos="Linux"
 680 elif check_define _WIN32 ; then
 681   targetos='MINGW32'
 682 elif check_define __OpenBSD__ ; then
 683   targetos='OpenBSD'
 684 elif check_define __sun__ ; then
 685   targetos='SunOS'
 686 elif check_define __HAIKU__ ; then
 687   targetos='Haiku'
 688 elif check_define __FreeBSD__ ; then
 689   targetos='FreeBSD'
 690 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 691   targetos='GNU/kFreeBSD'
 692 elif check_define __DragonFly__ ; then
 693   targetos='DragonFly'
 694 elif check_define __NetBSD__; then
 695   targetos='NetBSD'
 696 elif check_define __APPLE__; then
 697   targetos='Darwin'
 698 else
 699   # This is a fatal error, but don't report it yet, because we
 700   # might be going to just print the --help text, or it might
 701   # be the result of a missing compiler.
 702   targetos='bogus'
 703   bogus_os='yes'
 704 fi
 705
 706 # Some host OSes need non-standard checks for which CPU to use.
 707 # Note that these checks are broken for cross-compilation: if you're
 708 # cross-compiling to one of these OSes then you'll need to specify
 709 # the correct CPU with the --cpu option.
 710 case $targetos in
 711 Darwin)
 712   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 713   # run 64-bit userspace code.
 714   # If the user didn't specify a CPU explicitly and the kernel says this is
 715   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 716   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 717     cpu="x86_64"
 718   fi
 719   ;;
 720 SunOS)
 721   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 722   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 723     cpu="x86_64"
 724   fi
 725 esac
 726
 727 if test ! -z "$cpu" ; then
 728   # command line argument
 729   :
 730 elif check_define __i386__ ; then
 731   cpu="i386"
 732 elif check_define __x86_64__ ; then
 733   if check_define __ILP32__ ; then
 734     cpu="x32"
 735   else
 736     cpu="x86_64"
 737   fi
 738 elif check_define __sparc__ ; then
 739   if check_define __arch64__ ; then
 740     cpu="sparc64"
 741   else
 742     cpu="sparc"
 743   fi
 744 elif check_define _ARCH_PPC ; then
 745   if check_define _ARCH_PPC64 ; then
 746     if check_define _LITTLE_ENDIAN ; then
 747       cpu="ppc64le"
 748     else
 749       cpu="ppc64"
 750     fi
 751   else
 752     cpu="ppc"
 753   fi
 754 elif check_define __mips__ ; then
 755   cpu="mips"
 756 elif check_define __s390__ ; then
 757   if check_define __s390x__ ; then
 758     cpu="s390x"
 759   else
 760     cpu="s390"
 761   fi
 762 elif check_define __riscv ; then
 763   if check_define _LP64 ; then
 764     cpu="riscv64"
 765   else
 766     cpu="riscv32"
 767   fi
 768 elif check_define __arm__ ; then
 769   cpu="arm"
 770 elif check_define __aarch64__ ; then
 771   cpu="aarch64"
 772 else
 773   cpu=$(uname -m)
 774 fi
 775
 776 ARCH=
 777 # Normalise host CPU name and set ARCH.
 778 # Note that this case should only have supported host CPUs, not guests.
 779 case "$cpu" in
 780   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 781   ;;
 782   ppc64le)
 783     ARCH="ppc64"
 784   ;;
 785   i386|i486|i586|i686|i86pc|BePC)
 786     cpu="i386"
 787   ;;
 788   x86_64|amd64)
 789     cpu="x86_64"
 790   ;;
 791   armv*b|armv*l|arm)
 792     cpu="arm"
 793   ;;
 794   aarch64)
 795     cpu="aarch64"
 796   ;;
 797   mips*)
 798     cpu="mips"
 799   ;;
 800   sparc|sun4[cdmuv])
 801     cpu="sparc"
 802   ;;
 803   *)
 804     # This will result in either an error or falling back to TCI later
 805     ARCH=unknown
 806   ;;
 807 esac
 808 if test -z "$ARCH"; then
 809   ARCH="$cpu"
 810 fi
 811
 812 # OS specific
 813
 814 # host *BSD for user mode
 815 HOST_VARIANT_DIR=""
 816
 817 case $targetos in
 818 MINGW32*)
 819   mingw32="yes"
 820   vhost_user="no"
 821   audio_possible_drivers="dsound sdl"
 822   if check_include dsound.h; then
 823     audio_drv_list="dsound"
 824   else
 825     audio_drv_list=""
 826   fi
 827   supported_os="yes"
 828   pie="no"
 829 ;;
 830 GNU/kFreeBSD)
 831   bsd="yes"
 832   audio_drv_list="oss try-sdl"
 833   audio_possible_drivers="oss sdl pa"
 834 ;;
 835 FreeBSD)
 836   bsd="yes"
 837   make="${MAKE-gmake}"
 838   audio_drv_list="oss try-sdl"
 839   audio_possible_drivers="oss sdl pa"
 840   # needed for kinfo_getvmmap(3) in libutil.h
 841   netmap=""  # enable netmap autodetect
 842   HOST_VARIANT_DIR="freebsd"
 843 ;;
 844 DragonFly)
 845   bsd="yes"
 846   make="${MAKE-gmake}"
 847   audio_drv_list="oss try-sdl"
 848   audio_possible_drivers="oss sdl pa"
 849   HOST_VARIANT_DIR="dragonfly"
 850 ;;
 851 NetBSD)
 852   bsd="yes"
 853   make="${MAKE-gmake}"
 854   audio_drv_list="oss try-sdl"
 855   audio_possible_drivers="oss sdl"
 856   oss_lib="-lossaudio"
 857   HOST_VARIANT_DIR="netbsd"
 858 ;;
 859 OpenBSD)
 860   bsd="yes"
 861   make="${MAKE-gmake}"
 862   audio_drv_list="try-sdl"
 863   audio_possible_drivers="sdl"
 864   HOST_VARIANT_DIR="openbsd"
 865 ;;
 866 Darwin)
 867   bsd="yes"
 868   darwin="yes"
 869   if [ "$cpu" = "x86_64" ] ; then
 870     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 871     QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
 872   fi
 873   cocoa="enabled"
 874   audio_drv_list="coreaudio try-sdl"
 875   audio_possible_drivers="coreaudio sdl"
 876   QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
 877   # Disable attempts to use ObjectiveC features in os/object.h since they
 878   # won't work when we're compiling with gcc as a C compiler.
 879   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 880   HOST_VARIANT_DIR="darwin"
 881 ;;
 882 SunOS)
 883   solaris="yes"
 884   make="${MAKE-gmake}"
 885   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 886   if test -f /usr/include/sys/soundcard.h ; then
 887     audio_drv_list="oss try-sdl"
 888   fi
 889   audio_possible_drivers="oss sdl"
 890 # needed for CMSG_ macros in sys/socket.h
 891   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 892 # needed for TIOCWIN* defines in termios.h
 893   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 894 ;;
 895 Haiku)
 896   haiku="yes"
 897   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -DBSD_SOURCE $QEMU_CFLAGS"
 898 ;;
 899 Linux)
 900   audio_drv_list="try-pa oss"
 901   audio_possible_drivers="oss alsa sdl pa"
 902   linux="yes"
 903   linux_user="yes"
 904   QEMU_INCLUDES="-isystem ${source_path}/linux-headers -Ilinux-headers $QEMU_INCLUDES"
 905 ;;
 906 esac
 907
 908 if [ "$bsd" = "yes" ] ; then
 909   if [ "$darwin" != "yes" ] ; then
 910     bsd_user="yes"
 911   fi
 912 fi
 913
 914 : ${make=${MAKE-make}}
 915
 916 # We prefer python 3.x. A bare 'python' is traditionally
 917 # python 2.x, but some distros have it as python 3.x, so
 918 # we check that too
 919 python=
 920 explicit_python=no
 921 for binary in "${PYTHON-python3}" python
 922 do
 923     if has "$binary"
 924     then
 925         python=$(command -v "$binary")
 926         break
 927     fi
 928 done
 929
 930 sphinx_build=
 931 for binary in sphinx-build-3 sphinx-build
 932 do
 933     if has "$binary"
 934     then
 935         sphinx_build=$(command -v "$binary")
 936         break
 937     fi
 938 done
 939
 940 # Check for ancillary tools used in testing
 941 genisoimage=
 942 for binary in genisoimage mkisofs
 943 do
 944     if has $binary
 945     then
 946         genisoimage=$(command -v "$binary")
 947         break
 948     fi
 949 done
 950
 951 : ${smbd=${SMBD-/usr/sbin/smbd}}
 952
 953 # Default objcc to clang if available, otherwise use CC
 954 if has clang; then
 955   objcc=clang
 956 else
 957   objcc="$cc"
 958 fi
 959
 960 if test "$mingw32" = "yes" ; then
 961   EXESUF=".exe"
 962   HOST_DSOSUF=".dll"
 963   # MinGW needs -mthreads for TLS and macro _MT.
 964   CFLAGS="-mthreads $CFLAGS"
 965   write_c_skeleton;
 966   prefix="/qemu"
 967   qemu_suffix=""
 968   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 969 fi
 970
 971 werror=""
 972
 973 for opt do
 974   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 975   case "$opt" in
 976   --help|-h) show_help=yes
 977   ;;
 978   --version|-V) exec cat $source_path/VERSION
 979   ;;
 980   --prefix=*) prefix="$optarg"
 981   ;;
 982   --interp-prefix=*) interp_prefix="$optarg"
 983   ;;
 984   --cross-prefix=*)
 985   ;;
 986   --cc=*)
 987   ;;
 988   --host-cc=*) host_cc="$optarg"
 989   ;;
 990   --cxx=*)
 991   ;;
 992   --iasl=*) iasl="$optarg"
 993   ;;
 994   --objcc=*) objcc="$optarg"
 995   ;;
 996   --make=*) make="$optarg"
 997   ;;
 998   --install=*)
 999   ;;
1000   --python=*) python="$optarg" ; explicit_python=yes
1001   ;;
1002   --sphinx-build=*) sphinx_build="$optarg"
1003   ;;
1004   --skip-meson) skip_meson=yes
1005   ;;
1006   --meson=*) meson="$optarg"
1007   ;;
1008   --ninja=*) ninja="$optarg"
1009   ;;
1010   --smbd=*) smbd="$optarg"
1011   ;;
1012   --extra-cflags=*)
1013   ;;
1014   --extra-cxxflags=*)
1015   ;;
1016   --extra-ldflags=*)
1017   ;;
1018   --enable-debug-info)
1019   ;;
1020   --disable-debug-info)
1021   ;;
1022   --cross-cc-*)
1023   ;;
1024   --enable-modules)
1025       modules="yes"
1026   ;;
1027   --disable-modules)
1028       modules="no"
1029   ;;
1030   --disable-module-upgrades) module_upgrades="no"
1031   ;;
1032   --enable-module-upgrades) module_upgrades="yes"
1033   ;;
1034   --cpu=*)
1035   ;;
1036   --target-list=*) target_list="$optarg"
1037                    if test "$target_list_exclude"; then
1038                        error_exit "Can't mix --target-list with --target-list-exclude"
1039                    fi
1040   ;;
1041   --target-list-exclude=*) target_list_exclude="$optarg"
1042                    if test "$target_list"; then
1043                        error_exit "Can't mix --target-list-exclude with --target-list"
1044                    fi
1045   ;;
1046   --enable-trace-backends=*) trace_backends="$optarg"
1047   ;;
1048   # XXX: backwards compatibility
1049   --enable-trace-backend=*) trace_backends="$optarg"
1050   ;;
1051   --with-trace-file=*) trace_file="$optarg"
1052   ;;
1053   --with-default-devices) default_devices="yes"
1054   ;;
1055   --without-default-devices) default_devices="no"
1056   ;;
1057   --enable-gprof) gprof="yes"
1058   ;;
1059   --enable-gcov) gcov="yes"
1060   ;;
1061   --static)
1062     static="yes"
1063     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1064   ;;
1065   --mandir=*) mandir="$optarg"
1066   ;;
1067   --bindir=*) bindir="$optarg"
1068   ;;
1069   --libdir=*) libdir="$optarg"
1070   ;;
1071   --libexecdir=*) libexecdir="$optarg"
1072   ;;
1073   --includedir=*) includedir="$optarg"
1074   ;;
1075   --datadir=*) datadir="$optarg"
1076   ;;
1077   --with-suffix=*) qemu_suffix="$optarg"
1078   ;;
1079   --docdir=*) qemu_docdir="$optarg"
1080   ;;
1081   --sysconfdir=*) sysconfdir="$optarg"
1082   ;;
1083   --localstatedir=*) local_statedir="$optarg"
1084   ;;
1085   --firmwarepath=*) firmwarepath="$optarg"
1086   ;;
1087   --host=*|--build=*|\
1088   --disable-dependency-tracking|\
1089   --sbindir=*|--sharedstatedir=*|\
1090   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1091   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1092     # These switches are silently ignored, for compatibility with
1093     # autoconf-generated configure scripts. This allows QEMU's
1094     # configure to be used by RPM and similar macros that set
1095     # lots of directory switches by default.
1096   ;;
1097   --disable-sdl) sdl="disabled"
1098   ;;
1099   --enable-sdl) sdl="enabled"
1100   ;;
1101   --disable-sdl-image) sdl_image="disabled"
1102   ;;
1103   --enable-sdl-image) sdl_image="enabled"
1104   ;;
1105   --disable-qom-cast-debug) qom_cast_debug="no"
1106   ;;
1107   --enable-qom-cast-debug) qom_cast_debug="yes"
1108   ;;
1109   --disable-virtfs) virtfs="no"
1110   ;;
1111   --enable-virtfs) virtfs="yes"
1112   ;;
1113   --disable-mpath) mpath="disabled"
1114   ;;
1115   --enable-mpath) mpath="enabled"
1116   ;;
1117   --disable-vnc) vnc="disabled"
1118   ;;
1119   --enable-vnc) vnc="enabled"
1120   ;;
1121   --disable-gettext) gettext="false"
1122   ;;
1123   --enable-gettext) gettext="true"
1124   ;;
1125   --oss-lib=*) oss_lib="$optarg"
1126   ;;
1127   --audio-drv-list=*) audio_drv_list="$optarg"
1128   ;;
1129   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1130   ;;
1131   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1132   ;;
1133   --enable-debug-tcg) debug_tcg="yes"
1134   ;;
1135   --disable-debug-tcg) debug_tcg="no"
1136   ;;
1137   --enable-debug)
1138       # Enable debugging options that aren't excessively noisy
1139       debug_tcg="yes"
1140       debug_mutex="yes"
1141       debug="yes"
1142       strip_opt="no"
1143       fortify_source="no"
1144   ;;
1145   --enable-sanitizers) sanitizers="yes"
1146   ;;
1147   --disable-sanitizers) sanitizers="no"
1148   ;;
1149   --enable-tsan) tsan="yes"
1150   ;;
1151   --disable-tsan) tsan="no"
1152   ;;
1153   --enable-sparse) sparse="yes"
1154   ;;
1155   --disable-sparse) sparse="no"
1156   ;;
1157   --disable-strip) strip_opt="no"
1158   ;;
1159   --disable-vnc-sasl) vnc_sasl="disabled"
1160   ;;
1161   --enable-vnc-sasl) vnc_sasl="enabled"
1162   ;;
1163   --disable-vnc-jpeg) vnc_jpeg="disabled"
1164   ;;
1165   --enable-vnc-jpeg) vnc_jpeg="enabled"
1166   ;;
1167   --disable-vnc-png) vnc_png="disabled"
1168   ;;
1169   --enable-vnc-png) vnc_png="enabled"
1170   ;;
1171   --disable-slirp) slirp="no"
1172   ;;
1173   --enable-slirp=git) slirp="git"
1174   ;;
1175   --enable-slirp=system) slirp="system"
1176   ;;
1177   --disable-vde) vde="no"
1178   ;;
1179   --enable-vde) vde="yes"
1180   ;;
1181   --disable-netmap) netmap="no"
1182   ;;
1183   --enable-netmap) netmap="yes"
1184   ;;
1185   --disable-xen) xen="disabled"
1186   ;;
1187   --enable-xen) xen="enabled"
1188   ;;
1189   --disable-xen-pci-passthrough) xen_pci_passthrough="disabled"
1190   ;;
1191   --enable-xen-pci-passthrough) xen_pci_passthrough="enabled"
1192   ;;
1193   --disable-brlapi) brlapi="no"
1194   ;;
1195   --enable-brlapi) brlapi="yes"
1196   ;;
1197   --disable-kvm) kvm="disabled"
1198   ;;
1199   --enable-kvm) kvm="enabled"
1200   ;;
1201   --disable-hax) hax="disabled"
1202   ;;
1203   --enable-hax) hax="enabled"
1204   ;;
1205   --disable-hvf) hvf="disabled"
1206   ;;
1207   --enable-hvf) hvf="enabled"
1208   ;;
1209   --disable-whpx) whpx="disabled"
1210   ;;
1211   --enable-whpx) whpx="enabled"
1212   ;;
1213   --disable-tcg-interpreter) tcg_interpreter="no"
1214   ;;
1215   --enable-tcg-interpreter) tcg_interpreter="yes"
1216   ;;
1217   --disable-cap-ng)  cap_ng="no"
1218   ;;
1219   --enable-cap-ng) cap_ng="yes"
1220   ;;
1221   --disable-tcg) tcg="disabled"
1222   ;;
1223   --enable-tcg) tcg="enabled"
1224   ;;
1225   --disable-malloc-trim) malloc_trim="disabled"
1226   ;;
1227   --enable-malloc-trim) malloc_trim="enabled"
1228   ;;
1229   --disable-spice) spice="no"
1230   ;;
1231   --enable-spice) spice="yes"
1232   ;;
1233   --disable-libiscsi) libiscsi="no"
1234   ;;
1235   --enable-libiscsi) libiscsi="yes"
1236   ;;
1237   --disable-libnfs) libnfs="no"
1238   ;;
1239   --enable-libnfs) libnfs="yes"
1240   ;;
1241   --enable-profiler) profiler="yes"
1242   ;;
1243   --disable-cocoa) cocoa="disabled"
1244   ;;
1245   --enable-cocoa)
1246       cocoa="enabled" ;
1247       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1248   ;;
1249   --disable-system) softmmu="no"
1250   ;;
1251   --enable-system) softmmu="yes"
1252   ;;
1253   --disable-user)
1254       linux_user="no" ;
1255       bsd_user="no" ;
1256   ;;
1257   --enable-user) ;;
1258   --disable-linux-user) linux_user="no"
1259   ;;
1260   --enable-linux-user) linux_user="yes"
1261   ;;
1262   --disable-bsd-user) bsd_user="no"
1263   ;;
1264   --enable-bsd-user) bsd_user="yes"
1265   ;;
1266   --enable-pie) pie="yes"
1267   ;;
1268   --disable-pie) pie="no"
1269   ;;
1270   --enable-werror) werror="yes"
1271   ;;
1272   --disable-werror) werror="no"
1273   ;;
1274   --enable-stack-protector) stack_protector="yes"
1275   ;;
1276   --disable-stack-protector) stack_protector="no"
1277   ;;
1278   --enable-safe-stack) safe_stack="yes"
1279   ;;
1280   --disable-safe-stack) safe_stack="no"
1281   ;;
1282   --disable-curses) curses="no"
1283   ;;
1284   --enable-curses) curses="yes"
1285   ;;
1286   --disable-iconv) iconv="no"
1287   ;;
1288   --enable-iconv) iconv="yes"
1289   ;;
1290   --disable-curl) curl="no"
1291   ;;
1292   --enable-curl) curl="yes"
1293   ;;
1294   --disable-fdt) fdt="no"
1295   ;;
1296   --enable-fdt) fdt="yes"
1297   ;;
1298   --disable-linux-aio) linux_aio="no"
1299   ;;
1300   --enable-linux-aio) linux_aio="yes"
1301   ;;
1302   --disable-linux-io-uring) linux_io_uring="no"
1303   ;;
1304   --enable-linux-io-uring) linux_io_uring="yes"
1305   ;;
1306   --disable-attr) attr="no"
1307   ;;
1308   --enable-attr) attr="yes"
1309   ;;
1310   --disable-membarrier) membarrier="no"
1311   ;;
1312   --enable-membarrier) membarrier="yes"
1313   ;;
1314   --disable-blobs) blobs="no"
1315   ;;
1316   --with-pkgversion=*) pkgversion="$optarg"
1317   ;;
1318   --with-coroutine=*) coroutine="$optarg"
1319   ;;
1320   --disable-coroutine-pool) coroutine_pool="no"
1321   ;;
1322   --enable-coroutine-pool) coroutine_pool="yes"
1323   ;;
1324   --enable-debug-stack-usage) debug_stack_usage="yes"
1325   ;;
1326   --enable-crypto-afalg) crypto_afalg="yes"
1327   ;;
1328   --disable-crypto-afalg) crypto_afalg="no"
1329   ;;
1330   --disable-docs) docs="no"
1331   ;;
1332   --enable-docs) docs="yes"
1333   ;;
1334   --disable-vhost-net) vhost_net="no"
1335   ;;
1336   --enable-vhost-net) vhost_net="yes"
1337   ;;
1338   --disable-vhost-crypto) vhost_crypto="no"
1339   ;;
1340   --enable-vhost-crypto) vhost_crypto="yes"
1341   ;;
1342   --disable-vhost-scsi) vhost_scsi="no"
1343   ;;
1344   --enable-vhost-scsi) vhost_scsi="yes"
1345   ;;
1346   --disable-vhost-vsock) vhost_vsock="no"
1347   ;;
1348   --enable-vhost-vsock) vhost_vsock="yes"
1349   ;;
1350   --disable-vhost-user-fs) vhost_user_fs="no"
1351   ;;
1352   --enable-vhost-user-fs) vhost_user_fs="yes"
1353   ;;
1354   --disable-opengl) opengl="no"
1355   ;;
1356   --enable-opengl) opengl="yes"
1357   ;;
1358   --disable-rbd) rbd="no"
1359   ;;
1360   --enable-rbd) rbd="yes"
1361   ;;
1362   --disable-xfsctl) xfs="no"
1363   ;;
1364   --enable-xfsctl) xfs="yes"
1365   ;;
1366   --disable-smartcard) smartcard="no"
1367   ;;
1368   --enable-smartcard) smartcard="yes"
1369   ;;
1370   --disable-u2f) u2f="disabled"
1371   ;;
1372   --enable-u2f) u2f="enabled"
1373   ;;
1374   --disable-libusb) libusb="no"
1375   ;;
1376   --enable-libusb) libusb="yes"
1377   ;;
1378   --disable-usb-redir) usb_redir="no"
1379   ;;
1380   --enable-usb-redir) usb_redir="yes"
1381   ;;
1382   --disable-zlib-test)
1383   ;;
1384   --disable-lzo) lzo="no"
1385   ;;
1386   --enable-lzo) lzo="yes"
1387   ;;
1388   --disable-snappy) snappy="no"
1389   ;;
1390   --enable-snappy) snappy="yes"
1391   ;;
1392   --disable-bzip2) bzip2="no"
1393   ;;
1394   --enable-bzip2) bzip2="yes"
1395   ;;
1396   --enable-lzfse) lzfse="yes"
1397   ;;
1398   --disable-lzfse) lzfse="no"
1399   ;;
1400   --disable-zstd) zstd="no"
1401   ;;
1402   --enable-zstd) zstd="yes"
1403   ;;
1404   --enable-guest-agent) guest_agent="yes"
1405   ;;
1406   --disable-guest-agent) guest_agent="no"
1407   ;;
1408   --enable-guest-agent-msi) guest_agent_msi="yes"
1409   ;;
1410   --disable-guest-agent-msi) guest_agent_msi="no"
1411   ;;
1412   --with-vss-sdk) vss_win32_sdk=""
1413   ;;
1414   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1415   ;;
1416   --without-vss-sdk) vss_win32_sdk="no"
1417   ;;
1418   --with-win-sdk) win_sdk=""
1419   ;;
1420   --with-win-sdk=*) win_sdk="$optarg"
1421   ;;
1422   --without-win-sdk) win_sdk="no"
1423   ;;
1424   --enable-tools) want_tools="yes"
1425   ;;
1426   --disable-tools) want_tools="no"
1427   ;;
1428   --enable-seccomp) seccomp="yes"
1429   ;;
1430   --disable-seccomp) seccomp="no"
1431   ;;
1432   --disable-glusterfs) glusterfs="no"
1433   ;;
1434   --disable-avx2) avx2_opt="no"
1435   ;;
1436   --enable-avx2) avx2_opt="yes"
1437   ;;
1438   --disable-avx512f) avx512f_opt="no"
1439   ;;
1440   --enable-avx512f) avx512f_opt="yes"
1441   ;;
1442
1443   --enable-glusterfs) glusterfs="yes"
1444   ;;
1445   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1446       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1447   ;;
1448   --enable-vhdx|--disable-vhdx)
1449       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1450   ;;
1451   --enable-uuid|--disable-uuid)
1452       echo "$0: $opt is obsolete, UUID support is always built" >&2
1453   ;;
1454   --disable-gtk) gtk="no"
1455   ;;
1456   --enable-gtk) gtk="yes"
1457   ;;
1458   --tls-priority=*) tls_priority="$optarg"
1459   ;;
1460   --disable-gnutls) gnutls="no"
1461   ;;
1462   --enable-gnutls) gnutls="yes"
1463   ;;
1464   --disable-nettle) nettle="no"
1465   ;;
1466   --enable-nettle) nettle="yes"
1467   ;;
1468   --disable-gcrypt) gcrypt="no"
1469   ;;
1470   --enable-gcrypt) gcrypt="yes"
1471   ;;
1472   --disable-auth-pam) auth_pam="no"
1473   ;;
1474   --enable-auth-pam) auth_pam="yes"
1475   ;;
1476   --enable-rdma) rdma="yes"
1477   ;;
1478   --disable-rdma) rdma="no"
1479   ;;
1480   --enable-pvrdma) pvrdma="yes"
1481   ;;
1482   --disable-pvrdma) pvrdma="no"
1483   ;;
1484   --disable-vte) vte="no"
1485   ;;
1486   --enable-vte) vte="yes"
1487   ;;
1488   --disable-virglrenderer) virglrenderer="no"
1489   ;;
1490   --enable-virglrenderer) virglrenderer="yes"
1491   ;;
1492   --disable-tpm) tpm="no"
1493   ;;
1494   --enable-tpm) tpm="yes"
1495   ;;
1496   --disable-libssh) libssh="no"
1497   ;;
1498   --enable-libssh) libssh="yes"
1499   ;;
1500   --disable-live-block-migration) live_block_migration="no"
1501   ;;
1502   --enable-live-block-migration) live_block_migration="yes"
1503   ;;
1504   --disable-numa) numa="no"
1505   ;;
1506   --enable-numa) numa="yes"
1507   ;;
1508   --disable-libxml2) libxml2="no"
1509   ;;
1510   --enable-libxml2) libxml2="yes"
1511   ;;
1512   --disable-tcmalloc) tcmalloc="no"
1513   ;;
1514   --enable-tcmalloc) tcmalloc="yes"
1515   ;;
1516   --disable-jemalloc) jemalloc="no"
1517   ;;
1518   --enable-jemalloc) jemalloc="yes"
1519   ;;
1520   --disable-replication) replication="no"
1521   ;;
1522   --enable-replication) replication="yes"
1523   ;;
1524   --disable-bochs) bochs="no"
1525   ;;
1526   --enable-bochs) bochs="yes"
1527   ;;
1528   --disable-cloop) cloop="no"
1529   ;;
1530   --enable-cloop) cloop="yes"
1531   ;;
1532   --disable-dmg) dmg="no"
1533   ;;
1534   --enable-dmg) dmg="yes"
1535   ;;
1536   --disable-qcow1) qcow1="no"
1537   ;;
1538   --enable-qcow1) qcow1="yes"
1539   ;;
1540   --disable-vdi) vdi="no"
1541   ;;
1542   --enable-vdi) vdi="yes"
1543   ;;
1544   --disable-vvfat) vvfat="no"
1545   ;;
1546   --enable-vvfat) vvfat="yes"
1547   ;;
1548   --disable-qed) qed="no"
1549   ;;
1550   --enable-qed) qed="yes"
1551   ;;
1552   --disable-parallels) parallels="no"
1553   ;;
1554   --enable-parallels) parallels="yes"
1555   ;;
1556   --disable-sheepdog) sheepdog="no"
1557   ;;
1558   --enable-sheepdog) sheepdog="yes"
1559   ;;
1560   --disable-vhost-user) vhost_user="no"
1561   ;;
1562   --enable-vhost-user) vhost_user="yes"
1563   ;;
1564   --disable-vhost-vdpa) vhost_vdpa="no"
1565   ;;
1566   --enable-vhost-vdpa) vhost_vdpa="yes"
1567   ;;
1568   --disable-vhost-kernel) vhost_kernel="no"
1569   ;;
1570   --enable-vhost-kernel) vhost_kernel="yes"
1571   ;;
1572   --disable-capstone) capstone="no"
1573   ;;
1574   --enable-capstone) capstone="yes"
1575   ;;
1576   --enable-capstone=git) capstone="git"
1577   ;;
1578   --enable-capstone=system) capstone="system"
1579   ;;
1580   --with-git=*) git="$optarg"
1581   ;;
1582   --enable-git-update) git_update=yes
1583   ;;
1584   --disable-git-update) git_update=no
1585   ;;
1586   --enable-debug-mutex) debug_mutex=yes
1587   ;;
1588   --disable-debug-mutex) debug_mutex=no
1589   ;;
1590   --enable-libpmem) libpmem=yes
1591   ;;
1592   --disable-libpmem) libpmem=no
1593   ;;
1594   --enable-xkbcommon) xkbcommon="enabled"
1595   ;;
1596   --disable-xkbcommon) xkbcommon="disabled"
1597   ;;
1598   --enable-plugins) plugins="yes"
1599   ;;
1600   --disable-plugins) plugins="no"
1601   ;;
1602   --enable-containers) use_containers="yes"
1603   ;;
1604   --disable-containers) use_containers="no"
1605   ;;
1606   --enable-fuzzing) fuzzing=yes
1607   ;;
1608   --disable-fuzzing) fuzzing=no
1609   ;;
1610   --gdb=*) gdb_bin="$optarg"
1611   ;;
1612   --enable-rng-none) rng_none=yes
1613   ;;
1614   --disable-rng-none) rng_none=no
1615   ;;
1616   --enable-keyring) secret_keyring="yes"
1617   ;;
1618   --disable-keyring) secret_keyring="no"
1619   ;;
1620   --enable-libdaxctl) libdaxctl=yes
1621   ;;
1622   --disable-libdaxctl) libdaxctl=no
1623   ;;
1624   *)
1625       echo "ERROR: unknown option $opt"
1626       echo "Try '$0 --help' for more information"
1627       exit 1
1628   ;;
1629   esac
1630 done
1631
1632 firmwarepath="${firmwarepath:-$prefix/share/qemu-firmware}"
1633 libdir="${libdir:-$prefix/lib}"
1634 libexecdir="${libexecdir:-$prefix/libexec}"
1635 includedir="${includedir:-$prefix/include}"
1636
1637 if test "$mingw32" = "yes" ; then
1638     mandir="$prefix"
1639     datadir="$prefix"
1640     docdir="$prefix"
1641     bindir="$prefix"
1642     sysconfdir="$prefix"
1643     local_statedir=
1644 else
1645     mandir="${mandir:-$prefix/share/man}"
1646     datadir="${datadir:-$prefix/share}"
1647     docdir="${docdir:-$prefix/share/doc}"
1648     bindir="${bindir:-$prefix/bin}"
1649     sysconfdir="${sysconfdir:-$prefix/etc}"
1650     local_statedir="${local_statedir:-$prefix/var}"
1651 fi
1652
1653 case "$cpu" in
1654     ppc)
1655            CPU_CFLAGS="-m32"
1656            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1657            ;;
1658     ppc64)
1659            CPU_CFLAGS="-m64"
1660            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1661            ;;
1662     sparc)
1663            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1664            QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1665            ;;
1666     sparc64)
1667            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1668            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1669            ;;
1670     s390)
1671            CPU_CFLAGS="-m31"
1672            QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1673            ;;
1674     s390x)
1675            CPU_CFLAGS="-m64"
1676            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1677            ;;
1678     i386)
1679            CPU_CFLAGS="-m32"
1680            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1681            ;;
1682     x86_64)
1683            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1684            # If we truly care, we should simply detect this case at
1685            # runtime and generate the fallback to serial emulation.
1686            CPU_CFLAGS="-m64 -mcx16"
1687            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1688            ;;
1689     x32)
1690            CPU_CFLAGS="-mx32"
1691            QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1692            ;;
1693     # No special flags required for other host CPUs
1694 esac
1695
1696 eval "cross_cc_${cpu}=\$host_cc"
1697 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1698 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1699
1700 # For user-mode emulation the host arch has to be one we explicitly
1701 # support, even if we're using TCI.
1702 if [ "$ARCH" = "unknown" ]; then
1703   bsd_user="no"
1704   linux_user="no"
1705 fi
1706
1707 if [ "$bsd_user" = "no" -a "$linux_user" = "no" -a "$softmmu" = "no" ] ; then
1708   tcg="disabled"
1709 fi
1710
1711 default_target_list=""
1712
1713 mak_wilds=""
1714
1715 if [ "$softmmu" = "yes" ]; then
1716     mak_wilds="${mak_wilds} $source_path/default-configs/devices/*-softmmu.mak"
1717 fi
1718 if [ "$linux_user" = "yes" ]; then
1719     mak_wilds="${mak_wilds} $source_path/default-configs/devices/*-linux-user.mak"
1720 fi
1721 if [ "$bsd_user" = "yes" ]; then
1722     mak_wilds="${mak_wilds} $source_path/default-configs/devices/*-bsd-user.mak"
1723 fi
1724
1725 # If the user doesn't explicitly specify a deprecated target we will
1726 # skip it.
1727 if test -z "$target_list"; then
1728     if test -z "$target_list_exclude"; then
1729         target_list_exclude="$deprecated_targets_list"
1730     else
1731         target_list_exclude="$target_list_exclude,$deprecated_targets_list"
1732     fi
1733 fi
1734
1735 for config in $mak_wilds; do
1736     target="$(basename "$config" .mak)"
1737     if echo "$target_list_exclude" | grep -vq "$target"; then
1738         default_target_list="${default_target_list} $target"
1739     fi
1740 done
1741
1742 # Enumerate public trace backends for --help output
1743 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1744
1745 if test x"$show_help" = x"yes" ; then
1746 cat << EOF
1747
1748 Usage: configure [options]
1749 Options: [defaults in brackets after descriptions]
1750
1751 Standard options:
1752   --help                   print this message
1753   --prefix=PREFIX          install in PREFIX [$prefix]
1754   --interp-prefix=PREFIX   where to find shared libraries, etc.
1755                            use %M for cpu name [$interp_prefix]
1756   --target-list=LIST       set target list (default: build everything)
1757 $(echo Available targets: $default_target_list | \
1758   fold -s -w 53 | sed -e 's/^/                           /')
1759   --target-list-exclude=LIST exclude a set of targets from the default target-list
1760
1761 Advanced options (experts only):
1762   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1763   --cc=CC                  use C compiler CC [$cc]
1764   --iasl=IASL              use ACPI compiler IASL [$iasl]
1765   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1766                            build time
1767   --cxx=CXX                use C++ compiler CXX [$cxx]
1768   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1769   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1770   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1771   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1772   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1773   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1774   --make=MAKE              use specified make [$make]
1775   --python=PYTHON          use specified python [$python]
1776   --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1777   --meson=MESON            use specified meson [$meson]
1778   --ninja=NINJA            use specified ninja [$ninja]
1779   --smbd=SMBD              use specified smbd [$smbd]
1780   --with-git=GIT           use specified git [$git]
1781   --static                 enable static build [$static]
1782   --mandir=PATH            install man pages in PATH
1783   --datadir=PATH           install firmware in PATH/$qemu_suffix
1784   --docdir=PATH            install documentation in PATH/$qemu_suffix
1785   --bindir=PATH            install binaries in PATH
1786   --libdir=PATH            install libraries in PATH
1787   --libexecdir=PATH        install helper binaries in PATH
1788   --sysconfdir=PATH        install config in PATH/$qemu_suffix
1789   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1790   --firmwarepath=PATH      search PATH for firmware files
1791   --efi-aarch64=PATH       PATH of efi file to use for aarch64 VMs.
1792   --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
1793   --with-pkgversion=VERS   use specified string as sub-version of the package
1794   --enable-debug           enable common debug build options
1795   --enable-sanitizers      enable default sanitizers
1796   --enable-tsan            enable thread sanitizer
1797   --disable-strip          disable stripping binaries
1798   --disable-werror         disable compilation abort on warning
1799   --disable-stack-protector disable compiler-provided stack protection
1800   --audio-drv-list=LIST    set audio drivers list:
1801                            Available drivers: $audio_possible_drivers
1802   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1803   --block-drv-rw-whitelist=L
1804                            set block driver read-write whitelist
1805                            (affects only QEMU, not qemu-img)
1806   --block-drv-ro-whitelist=L
1807                            set block driver read-only whitelist
1808                            (affects only QEMU, not qemu-img)
1809   --enable-trace-backends=B Set trace backend
1810                            Available backends: $trace_backend_list
1811   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1812                            Default:trace-<pid>
1813   --disable-slirp          disable SLIRP userspace network connectivity
1814   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1815   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1816   --oss-lib                path to OSS library
1817   --cpu=CPU                Build for host CPU [$cpu]
1818   --with-coroutine=BACKEND coroutine backend. Supported options:
1819                            ucontext, sigaltstack, windows
1820   --enable-gcov            enable test coverage analysis with gcov
1821   --disable-blobs          disable installing provided firmware blobs
1822   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1823   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1824   --tls-priority           default TLS protocol/cipher priority string
1825   --enable-gprof           QEMU profiling with gprof
1826   --enable-profiler        profiler support
1827   --enable-debug-stack-usage
1828                            track the maximum stack usage of stacks created by qemu_alloc_stack
1829   --enable-plugins
1830                            enable plugins via shared library loading
1831   --disable-containers     don't use containers for cross-building
1832   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1833
1834 Optional features, enabled with --enable-FEATURE and
1835 disabled with --disable-FEATURE, default is enabled if available:
1836
1837   system          all system emulation targets
1838   user            supported user emulation targets
1839   linux-user      all linux usermode emulation targets
1840   bsd-user        all BSD usermode emulation targets
1841   docs            build documentation
1842   guest-agent     build the QEMU Guest Agent
1843   guest-agent-msi build guest agent Windows MSI installation package
1844   pie             Position Independent Executables
1845   modules         modules support (non-Windows)
1846   module-upgrades try to load modules from alternate paths for upgrades
1847   debug-tcg       TCG debugging (default is disabled)
1848   debug-info      debugging information
1849   sparse          sparse checker
1850   safe-stack      SafeStack Stack Smash Protection. Depends on
1851                   clang/llvm >= 3.7 and requires coroutine backend ucontext.
1852
1853   gnutls          GNUTLS cryptography support
1854   nettle          nettle cryptography support
1855   gcrypt          libgcrypt cryptography support
1856   auth-pam        PAM access control
1857   sdl             SDL UI
1858   sdl-image       SDL Image support for icons
1859   gtk             gtk UI
1860   vte             vte support for the gtk UI
1861   curses          curses UI
1862   iconv           font glyph conversion support
1863   vnc             VNC UI support
1864   vnc-sasl        SASL encryption for VNC server
1865   vnc-jpeg        JPEG lossy compression for VNC server
1866   vnc-png         PNG compression for VNC server
1867   cocoa           Cocoa UI (Mac OS X only)
1868   virtfs          VirtFS
1869   mpath           Multipath persistent reservation passthrough
1870   xen             xen backend driver support
1871   xen-pci-passthrough    PCI passthrough support for Xen
1872   brlapi          BrlAPI (Braile)
1873   curl            curl connectivity
1874   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1875   fdt             fdt device tree
1876   kvm             KVM acceleration support
1877   hax             HAX acceleration support
1878   hvf             Hypervisor.framework acceleration support
1879   whpx            Windows Hypervisor Platform acceleration support
1880   rdma            Enable RDMA-based migration
1881   pvrdma          Enable PVRDMA support
1882   vde             support for vde network
1883   netmap          support for netmap network
1884   linux-aio       Linux AIO support
1885   linux-io-uring  Linux io_uring support
1886   cap-ng          libcap-ng support
1887   attr            attr and xattr support
1888   vhost-net       vhost-net kernel acceleration support
1889   vhost-vsock     virtio sockets device support
1890   vhost-scsi      vhost-scsi kernel target support
1891   vhost-crypto    vhost-user-crypto backend support
1892   vhost-kernel    vhost kernel backend support
1893   vhost-user      vhost-user backend support
1894   vhost-vdpa      vhost-vdpa kernel backend support
1895   spice           spice
1896   rbd             rados block device (rbd)
1897   libiscsi        iscsi support
1898   libnfs          nfs support
1899   smartcard       smartcard support (libcacard)
1900   u2f             U2F support (u2f-emu)
1901   libusb          libusb (for usb passthrough)
1902   live-block-migration   Block migration in the main migration stream
1903   usb-redir       usb network redirection support
1904   lzo             support of lzo compression library
1905   snappy          support of snappy compression library
1906   bzip2           support of bzip2 compression library
1907                   (for reading bzip2-compressed dmg images)
1908   lzfse           support of lzfse compression library
1909                   (for reading lzfse-compressed dmg images)
1910   zstd            support for zstd compression library
1911                   (for migration compression and qcow2 cluster compression)
1912   seccomp         seccomp support
1913   coroutine-pool  coroutine freelist (better performance)
1914   glusterfs       GlusterFS backend
1915   tpm             TPM support
1916   libssh          ssh block device support
1917   numa            libnuma support
1918   libxml2         for Parallels image format
1919   tcmalloc        tcmalloc support
1920   jemalloc        jemalloc support
1921   avx2            AVX2 optimization support
1922   avx512f         AVX512F optimization support
1923   replication     replication support
1924   opengl          opengl support
1925   virglrenderer   virgl rendering support
1926   xfsctl          xfsctl support
1927   qom-cast-debug  cast debugging support
1928   tools           build qemu-io, qemu-nbd and qemu-img tools
1929   bochs           bochs image format support
1930   cloop           cloop image format support
1931   dmg             dmg image format support
1932   qcow1           qcow v1 image format support
1933   vdi             vdi image format support
1934   vvfat           vvfat image format support
1935   qed             qed image format support
1936   parallels       parallels image format support
1937   sheepdog        sheepdog block driver support
1938   crypto-afalg    Linux AF_ALG crypto backend driver
1939   capstone        capstone disassembler support
1940   debug-mutex     mutex debugging support
1941   libpmem         libpmem support
1942   xkbcommon       xkbcommon support
1943   rng-none        dummy RNG, avoid using /dev/(u)random and getrandom()
1944   libdaxctl       libdaxctl support
1945
1946 NOTE: The object files are built at the place where configure is launched
1947 EOF
1948 exit 0
1949 fi
1950
1951 # Remove old dependency files to make sure that they get properly regenerated
1952 rm -f */config-devices.mak.d
1953
1954 if test -z "$python"
1955 then
1956     error_exit "Python not found. Use --python=/path/to/python"
1957 fi
1958
1959 # Note that if the Python conditional here evaluates True we will exit
1960 # with status 1 which is a shell 'false' value.
1961 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
1962   error_exit "Cannot use '$python', Python >= 3.6 is required." \
1963       "Use --python=/path/to/python to specify a supported Python."
1964 fi
1965
1966 # Preserve python version since some functionality is dependent on it
1967 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)
1968
1969 # Suppress writing compiled files
1970 python="$python -B"
1971
1972 if test -z "$meson"; then
1973     if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.1; then
1974         meson=meson
1975     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
1976         meson=git
1977     elif test -e "${source_path}/meson/meson.py" ; then
1978         meson=internal
1979     else
1980         if test "$explicit_python" = yes; then
1981             error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1982         else
1983             error_exit "Meson not found.  Use --meson=/path/to/meson"
1984         fi
1985     fi
1986 else
1987     # Meson uses its own Python interpreter to invoke other Python scripts,
1988     # but the user wants to use the one they specified with --python.
1989     #
1990     # We do not want to override the distro Python interpreter (and sometimes
1991     # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1992     # just require --meson=git|internal together with --python.
1993     if test "$explicit_python" = yes; then
1994         case "$meson" in
1995             git | internal) ;;
1996             *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1997         esac
1998     fi
1999 fi
2000
2001 if test "$meson" = git; then
2002     git_submodules="${git_submodules} meson"
2003 fi
2004
2005 case "$meson" in
2006     git | internal)
2007         if ! $python -c 'import pkg_resources' > /dev/null 2>&1; then
2008             error_exit "Python setuptools not found"
2009         fi
2010         meson="$python ${source_path}/meson/meson.py"
2011         ;;
2012     *) meson=$(command -v "$meson") ;;
2013 esac
2014
2015 # Probe for ninja (used for compdb)
2016
2017 if test -z "$ninja"; then
2018     for c in ninja ninja-build samu; do
2019         if has $c; then
2020             ninja=$(command -v "$c")
2021             break
2022         fi
2023     done
2024 fi
2025
2026 # Check that the C compiler works. Doing this here before testing
2027 # the host CPU ensures that we had a valid CC to autodetect the
2028 # $cpu var (and we should bail right here if that's not the case).
2029 # It also allows the help message to be printed without a CC.
2030 write_c_skeleton;
2031 if compile_object ; then
2032   : C compiler works ok
2033 else
2034     error_exit "\"$cc\" either does not exist or does not work"
2035 fi
2036 if ! compile_prog ; then
2037     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
2038 fi
2039
2040 # Now we have handled --enable-tcg-interpreter and know we're not just
2041 # printing the help message, bail out if the host CPU isn't supported.
2042 if test "$ARCH" = "unknown"; then
2043     if test "$tcg_interpreter" = "yes" ; then
2044         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
2045     else
2046         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
2047     fi
2048 fi
2049
2050 # Consult white-list to determine whether to enable werror
2051 # by default.  Only enable by default for git builds
2052 if test -z "$werror" ; then
2053     if test -e "$source_path/.git" && \
2054         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
2055         werror="yes"
2056     else
2057         werror="no"
2058     fi
2059 fi
2060
2061 if test "$bogus_os" = "yes"; then
2062     # Now that we know that we're not printing the help and that
2063     # the compiler works (so the results of the check_defines we used
2064     # to identify the OS are reliable), if we didn't recognize the
2065     # host OS we should stop now.
2066     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
2067 fi
2068
2069 # Check whether the compiler matches our minimum requirements:
2070 cat > $TMPC << EOF
2071 #if defined(__clang_major__) && defined(__clang_minor__)
2072 # ifdef __apple_build_version__
2073 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
2074 #   error You need at least XCode Clang v5.1 to compile QEMU
2075 #  endif
2076 # else
2077 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
2078 #   error You need at least Clang v3.4 to compile QEMU
2079 #  endif
2080 # endif
2081 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
2082 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
2083 #  error You need at least GCC v4.8 to compile QEMU
2084 # endif
2085 #else
2086 # error You either need GCC or Clang to compiler QEMU
2087 #endif
2088 int main (void) { return 0; }
2089 EOF
2090 if ! compile_prog "" "" ; then
2091     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2092 fi
2093
2094 # Accumulate -Wfoo and -Wno-bar separately.
2095 # We will list all of the enable flags first, and the disable flags second.
2096 # Note that we do not add -Werror, because that would enable it for all
2097 # configure tests. If a configure test failed due to -Werror this would
2098 # just silently disable some features, so it's too error prone.
2099
2100 warn_flags=
2101 add_to warn_flags -Wold-style-declaration
2102 add_to warn_flags -Wold-style-definition
2103 add_to warn_flags -Wtype-limits
2104 add_to warn_flags -Wformat-security
2105 add_to warn_flags -Wformat-y2k
2106 add_to warn_flags -Winit-self
2107 add_to warn_flags -Wignored-qualifiers
2108 add_to warn_flags -Wempty-body
2109 add_to warn_flags -Wnested-externs
2110 add_to warn_flags -Wendif-labels
2111 add_to warn_flags -Wexpansion-to-defined
2112
2113 nowarn_flags=
2114 add_to nowarn_flags -Wno-initializer-overrides
2115 add_to nowarn_flags -Wno-missing-include-dirs
2116 add_to nowarn_flags -Wno-shift-negative-value
2117 add_to nowarn_flags -Wno-string-plus-int
2118 add_to nowarn_flags -Wno-typedef-redefinition
2119 add_to nowarn_flags -Wno-tautological-type-limit-compare
2120 add_to nowarn_flags -Wno-psabi
2121
2122 gcc_flags="$warn_flags $nowarn_flags"
2123
2124 cc_has_warning_flag() {
2125     write_c_skeleton;
2126
2127     # Use the positive sense of the flag when testing for -Wno-wombat
2128     # support (gcc will happily accept the -Wno- form of unknown
2129     # warning options).
2130     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2131     compile_prog "-Werror $optflag" ""
2132 }
2133
2134 for flag in $gcc_flags; do
2135     if cc_has_warning_flag $flag ; then
2136         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2137     fi
2138 done
2139
2140 if test "$stack_protector" != "no"; then
2141   cat > $TMPC << EOF
2142 int main(int argc, char *argv[])
2143 {
2144     char arr[64], *p = arr, *c = argv[0];
2145     while (*c) {
2146         *p++ = *c++;
2147     }
2148     return 0;
2149 }
2150 EOF
2151   gcc_flags="-fstack-protector-strong -fstack-protector-all"
2152   sp_on=0
2153   for flag in $gcc_flags; do
2154     # We need to check both a compile and a link, since some compiler
2155     # setups fail only on a .c->.o compile and some only at link time
2156     if compile_object "-Werror $flag" &&
2157        compile_prog "-Werror $flag" ""; then
2158       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2159       QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2160       sp_on=1
2161       break
2162     fi
2163   done
2164   if test "$stack_protector" = yes; then
2165     if test $sp_on = 0; then
2166       error_exit "Stack protector not supported"
2167     fi
2168   fi
2169 fi
2170
2171 # Disable -Wmissing-braces on older compilers that warn even for
2172 # the "universal" C zero initializer {0}.
2173 cat > $TMPC << EOF
2174 struct {
2175   int a[2];
2176 } x = {0};
2177 EOF
2178 if compile_object "-Werror" "" ; then
2179   :
2180 else
2181   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2182 fi
2183
2184 # Our module code doesn't support Windows
2185 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2186   error_exit "Modules are not available for Windows"
2187 fi
2188
2189 # module_upgrades is only reasonable if modules are enabled
2190 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2191   error_exit "Can't enable module-upgrades as Modules are not enabled"
2192 fi
2193
2194 # Static linking is not possible with modules or PIE
2195 if test "$static" = "yes" ; then
2196   if test "$modules" = "yes" ; then
2197     error_exit "static and modules are mutually incompatible"
2198   fi
2199 fi
2200
2201 # Unconditional check for compiler __thread support
2202   cat > $TMPC << EOF
2203 static __thread int tls_var;
2204 int main(void) { return tls_var; }
2205 EOF
2206
2207 if ! compile_prog "-Werror" "" ; then
2208     error_exit "Your compiler does not support the __thread specifier for " \
2209         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2210 fi
2211
2212 cat > $TMPC << EOF
2213
2214 #ifdef __linux__
2215 #  define THREAD __thread
2216 #else
2217 #  define THREAD
2218 #endif
2219 static THREAD int tls_var;
2220 int main(void) { return tls_var; }
2221 EOF
2222
2223 # Check we support --no-pie first; we will need this for building ROMs.
2224 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2225   CFLAGS_NOPIE="-fno-pie"
2226   LDFLAGS_NOPIE="-no-pie"
2227 fi
2228
2229 if test "$static" = "yes"; then
2230   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2231     CFLAGS="-fPIE -DPIE $CFLAGS"
2232     QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2233     pie="yes"
2234   elif test "$pie" = "yes"; then
2235     error_exit "-static-pie not available due to missing toolchain support"
2236   else
2237     QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2238     pie="no"
2239   fi
2240 elif test "$pie" = "no"; then
2241   CFLAGS="$CFLAGS_NOPIE $CFLAGS"
2242   LDFLAGS="$LDFLAGS_NOPIE $LDFLAGS"
2243 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2244   CFLAGS="-fPIE -DPIE $CFLAGS"
2245   LDFLAGS="-pie $LDFLAGS"
2246   pie="yes"
2247 elif test "$pie" = "yes"; then
2248   error_exit "PIE not available due to missing toolchain support"
2249 else
2250   echo "Disabling PIE due to missing toolchain support"
2251   pie="no"
2252 fi
2253
2254 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2255 # The combination is known as "full relro", because .got.plt is read-only too.
2256 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2257   QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2258 fi
2259
2260 ##########################################
2261 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2262 # use i686 as default anyway, but for those that don't, an explicit
2263 # specification is necessary
2264
2265 if test "$cpu" = "i386"; then
2266   cat > $TMPC << EOF
2267 static int sfaa(int *ptr)
2268 {
2269   return __sync_fetch_and_and(ptr, 0);
2270 }
2271
2272 int main(void)
2273 {
2274   int val = 42;
2275   val = __sync_val_compare_and_swap(&val, 0, 1);
2276   sfaa(&val);
2277   return val;
2278 }
2279 EOF
2280   if ! compile_prog "" "" ; then
2281     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2282   fi
2283 fi
2284
2285 #########################################
2286 # Solaris specific configure tool chain decisions
2287
2288 if test "$solaris" = "yes" ; then
2289   if has ar; then
2290     :
2291   else
2292     if test -f /usr/ccs/bin/ar ; then
2293       error_exit "No path includes ar" \
2294           "Add /usr/ccs/bin to your path and rerun configure"
2295     fi
2296     error_exit "No path includes ar"
2297   fi
2298 fi
2299
2300 if test -z "${target_list+xxx}" ; then
2301     for target in $default_target_list; do
2302         supported_target $target 2>/dev/null && \
2303             target_list="$target_list $target"
2304     done
2305     target_list="${target_list# }"
2306 else
2307     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2308     for target in $target_list; do
2309         # Check that we recognised the target name; this allows a more
2310         # friendly error message than if we let it fall through.
2311         case " $default_target_list " in
2312             *" $target "*)
2313                 ;;
2314             *)
2315                 error_exit "Unknown target name '$target'"
2316                 ;;
2317         esac
2318         supported_target $target || exit 1
2319     done
2320 fi
2321
2322 # see if system emulation was really requested
2323 case " $target_list " in
2324   *"-softmmu "*) softmmu=yes
2325   ;;
2326   *) softmmu=no
2327   ;;
2328 esac
2329
2330 for target in $target_list; do
2331   case "$target" in
2332     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2333       edk2_blobs="yes"
2334       ;;
2335   esac
2336 done
2337 # The EDK2 binaries are compressed with bzip2
2338 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2339   error_exit "The bzip2 program is required for building QEMU"
2340 fi
2341
2342 feature_not_found() {
2343   feature=$1
2344   remedy=$2
2345
2346   error_exit "User requested feature $feature" \
2347       "configure was not able to find it." \
2348       "$remedy"
2349 }
2350
2351 # ---
2352 # big/little endian test
2353 cat > $TMPC << EOF
2354 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2355 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2356 extern int foo(short *, short *);
2357 int main(int argc, char *argv[]) {
2358     return foo(big_endian, little_endian);
2359 }
2360 EOF
2361
2362 if compile_object ; then
2363     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2364         bigendian="yes"
2365     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2366         bigendian="no"
2367     else
2368         echo big/little test failed
2369     fi
2370 else
2371     echo big/little test failed
2372 fi
2373
2374 ##########################################
2375 # system tools
2376 if test -z "$want_tools"; then
2377     if test "$softmmu" = "no"; then
2378         want_tools=no
2379     else
2380         want_tools=yes
2381     fi
2382 fi
2383
2384 ##########################################
2385 # cocoa implies not SDL or GTK
2386 # (the cocoa UI code currently assumes it is always the active UI
2387 # and doesn't interact well with other UI frontend code)
2388 if test "$cocoa" = "enabled"; then
2389     if test "$sdl" = "enabled"; then
2390         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2391     fi
2392     if test "$gtk" = "yes"; then
2393         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2394     fi
2395     gtk=no
2396     sdl=disabled
2397 fi
2398
2399 # Some versions of Mac OS X incorrectly define SIZE_MAX
2400 cat > $TMPC << EOF
2401 #include <stdint.h>
2402 #include <stdio.h>
2403 int main(int argc, char *argv[]) {
2404     return printf("%zu", SIZE_MAX);
2405 }
2406 EOF
2407 have_broken_size_max=no
2408 if ! compile_object -Werror ; then
2409     have_broken_size_max=yes
2410 fi
2411
2412 ##########################################
2413 # L2TPV3 probe
2414
2415 cat > $TMPC <<EOF
2416 #include <sys/socket.h>
2417 #include <linux/ip.h>
2418 int main(void) { return sizeof(struct mmsghdr); }
2419 EOF
2420 if compile_prog "" "" ; then
2421   l2tpv3=yes
2422 else
2423   l2tpv3=no
2424 fi
2425
2426 if check_include "pty.h" ; then
2427   pty_h=yes
2428 else
2429   pty_h=no
2430 fi
2431
2432 cat > $TMPC <<EOF
2433 #include <sys/mman.h>
2434 int main(int argc, char *argv[]) {
2435     return mlockall(MCL_FUTURE);
2436 }
2437 EOF
2438 if compile_prog "" "" ; then
2439   have_mlockall=yes
2440 else
2441   have_mlockall=no
2442 fi
2443
2444 #########################################
2445 # vhost interdependencies and host support
2446
2447 # vhost backends
2448 test "$vhost_user" = "" && vhost_user=yes
2449 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2450   error_exit "vhost-user isn't available on win32"
2451 fi
2452 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2453 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2454   error_exit "vhost-vdpa is only available on Linux"
2455 fi
2456 test "$vhost_kernel" = "" && vhost_kernel=$linux
2457 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2458   error_exit "vhost-kernel is only available on Linux"
2459 fi
2460
2461 # vhost-kernel devices
2462 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2463 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2464   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2465 fi
2466 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2467 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2468   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2469 fi
2470
2471 # vhost-user backends
2472 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2473 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2474   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2475 fi
2476 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2477 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2478   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2479 fi
2480 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2481 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2482   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2483 fi
2484 #vhost-vdpa backends
2485 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2486 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2487   error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2488 fi
2489
2490 # OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity
2491 if test "$vhost_net" = ""; then
2492   test "$vhost_net_user" = "yes" && vhost_net=yes
2493   test "$vhost_net_vdpa" = "yes" && vhost_net=yes
2494   test "$vhost_kernel" = "yes" && vhost_net=yes
2495 fi
2496
2497 ##########################################
2498 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2499
2500 if test "$mingw32" = "yes"; then
2501     # Some versions of MinGW / Mingw-w64 lack localtime_r
2502     # and gmtime_r entirely.
2503     #
2504     # Some versions of Mingw-w64 define a macro for
2505     # localtime_r/gmtime_r.
2506     #
2507     # Some versions of Mingw-w64 will define functions
2508     # for localtime_r/gmtime_r, but only if you have
2509     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2510     # though, unistd.h and pthread.h both define
2511     # that for you.
2512     #
2513     # So this #undef localtime_r and #include <unistd.h>
2514     # are not in fact redundant.
2515 cat > $TMPC << EOF
2516 #include <unistd.h>
2517 #include <time.h>
2518 #undef localtime_r
2519 int main(void) { localtime_r(NULL, NULL); return 0; }
2520 EOF
2521     if compile_prog "" "" ; then
2522         localtime_r="yes"
2523     else
2524         localtime_r="no"
2525     fi
2526 fi
2527
2528 ##########################################
2529 # pkg-config probe
2530
2531 if ! has "$pkg_config_exe"; then
2532   error_exit "pkg-config binary '$pkg_config_exe' not found"
2533 fi
2534
2535 ##########################################
2536 # NPTL probe
2537
2538 if test "$linux_user" = "yes"; then
2539   cat > $TMPC <<EOF
2540 #include <sched.h>
2541 #include <linux/futex.h>
2542 int main(void) {
2543 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2544 #error bork
2545 #endif
2546   return 0;
2547 }
2548 EOF
2549   if ! compile_object ; then
2550     feature_not_found "nptl" "Install glibc and linux kernel headers."
2551   fi
2552 fi
2553
2554 ##########################################
2555 # lzo check
2556
2557 if test "$lzo" != "no" ; then
2558     cat > $TMPC << EOF
2559 #include <lzo/lzo1x.h>
2560 int main(void) { lzo_version(); return 0; }
2561 EOF
2562     if compile_prog "" "-llzo2" ; then
2563         lzo_libs="-llzo2"
2564         lzo="yes"
2565     else
2566         if test "$lzo" = "yes"; then
2567             feature_not_found "liblzo2" "Install liblzo2 devel"
2568         fi
2569         lzo="no"
2570     fi
2571 fi
2572
2573 ##########################################
2574 # snappy check
2575
2576 if test "$snappy" != "no" ; then
2577     cat > $TMPC << EOF
2578 #include <snappy-c.h>
2579 int main(void) { snappy_max_compressed_length(4096); return 0; }
2580 EOF
2581     if compile_prog "" "-lsnappy" ; then
2582         snappy_libs='-lsnappy'
2583         snappy="yes"
2584     else
2585         if test "$snappy" = "yes"; then
2586             feature_not_found "libsnappy" "Install libsnappy devel"
2587         fi
2588         snappy="no"
2589     fi
2590 fi
2591
2592 ##########################################
2593 # bzip2 check
2594
2595 if test "$bzip2" != "no" ; then
2596     cat > $TMPC << EOF
2597 #include <bzlib.h>
2598 int main(void) { BZ2_bzlibVersion(); return 0; }
2599 EOF
2600     if compile_prog "" "-lbz2" ; then
2601         bzip2="yes"
2602     else
2603         if test "$bzip2" = "yes"; then
2604             feature_not_found "libbzip2" "Install libbzip2 devel"
2605         fi
2606         bzip2="no"
2607     fi
2608 fi
2609
2610 ##########################################
2611 # lzfse check
2612
2613 if test "$lzfse" != "no" ; then
2614     cat > $TMPC << EOF
2615 #include <lzfse.h>
2616 int main(void) { lzfse_decode_scratch_size(); return 0; }
2617 EOF
2618     if compile_prog "" "-llzfse" ; then
2619         lzfse="yes"
2620     else
2621         if test "$lzfse" = "yes"; then
2622             feature_not_found "lzfse" "Install lzfse devel"
2623         fi
2624         lzfse="no"
2625     fi
2626 fi
2627
2628 ##########################################
2629 # zstd check
2630
2631 if test "$zstd" != "no" ; then
2632     libzstd_minver="1.4.0"
2633     if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2634         zstd_cflags="$($pkg_config --cflags libzstd)"
2635         zstd_libs="$($pkg_config --libs libzstd)"
2636         zstd="yes"
2637     else
2638         if test "$zstd" = "yes" ; then
2639             feature_not_found "libzstd" "Install libzstd devel"
2640         fi
2641         zstd="no"
2642     fi
2643 fi
2644
2645 ##########################################
2646 # libseccomp check
2647
2648 if test "$seccomp" != "no" ; then
2649     libseccomp_minver="2.3.0"
2650     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2651         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2652         seccomp_libs="$($pkg_config --libs libseccomp)"
2653         seccomp="yes"
2654     else
2655         if test "$seccomp" = "yes" ; then
2656             feature_not_found "libseccomp" \
2657                  "Install libseccomp devel >= $libseccomp_minver"
2658         fi
2659         seccomp="no"
2660     fi
2661 fi
2662
2663 ##########################################
2664 # simple accelerator probes
2665
2666 if test "$kvm" != "disabled" ; then
2667   if test "$linux" = yes ; then
2668     kvm=enabled
2669   else
2670     if test "$kvm" = "enabled" ; then
2671       feature_not_found "kvm" "KVM is only available on Linux"
2672     fi
2673     kvm=disabled
2674   fi
2675 fi
2676
2677 if test "$hax" = "auto" ; then
2678   if test "$mingw" = yes || test "$darwin" = yes || test "$targetos" = NetBSD; then
2679     hax=enabled
2680   else
2681     hax=disabled
2682   fi
2683 fi
2684
2685 ##########################################
2686 # xen probe
2687
2688 if test "$xen" != "disabled" ; then
2689   # Check whether Xen library path is specified via --extra-ldflags to avoid
2690   # overriding this setting with pkg-config output. If not, try pkg-config
2691   # to obtain all needed flags.
2692
2693   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2694      $pkg_config --exists xencontrol ; then
2695     xen_ctrl_version="$(printf '%d%02d%02d' \
2696       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2697     xen=enabled
2698     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2699     xen_pc="$xen_pc xenevtchn xendevicemodel"
2700     if $pkg_config --exists xentoolcore; then
2701       xen_pc="$xen_pc xentoolcore"
2702     fi
2703     xen_cflags="$($pkg_config --cflags $xen_pc)"
2704     xen_libs="$($pkg_config --libs $xen_pc)"
2705   else
2706
2707     xen_libs="-lxenstore -lxenctrl -lxenguest"
2708     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2709
2710     # First we test whether Xen headers and libraries are available.
2711     # If no, we are done and there is no Xen support.
2712     # If yes, more tests are run to detect the Xen version.
2713
2714     # Xen (any)
2715     cat > $TMPC <<EOF
2716 #include <xenctrl.h>
2717 int main(void) {
2718   return 0;
2719 }
2720 EOF
2721     if ! compile_prog "" "$xen_libs" ; then
2722       # Xen not found
2723       if test "$xen" = "enabled" ; then
2724         feature_not_found "xen" "Install xen devel"
2725       fi
2726       xen=disabled
2727
2728     # Xen unstable
2729     elif
2730         cat > $TMPC <<EOF &&
2731 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2732 #define __XEN_TOOLS__
2733 #include <xendevicemodel.h>
2734 #include <xenforeignmemory.h>
2735 int main(void) {
2736   xendevicemodel_handle *xd;
2737   xenforeignmemory_handle *xfmem;
2738
2739   xd = xendevicemodel_open(0, 0);
2740   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2741
2742   xfmem = xenforeignmemory_open(0, 0);
2743   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2744
2745   return 0;
2746 }
2747 EOF
2748         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2749       then
2750       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2751       xen_ctrl_version=41100
2752       xen=enabled
2753     elif
2754         cat > $TMPC <<EOF &&
2755 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2756 #include <xenforeignmemory.h>
2757 #include <xentoolcore.h>
2758 int main(void) {
2759   xenforeignmemory_handle *xfmem;
2760
2761   xfmem = xenforeignmemory_open(0, 0);
2762   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2763   xentoolcore_restrict_all(0);
2764
2765   return 0;
2766 }
2767 EOF
2768         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2769       then
2770       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2771       xen_ctrl_version=41000
2772       xen=enabled
2773     elif
2774         cat > $TMPC <<EOF &&
2775 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2776 #define __XEN_TOOLS__
2777 #include <xendevicemodel.h>
2778 int main(void) {
2779   xendevicemodel_handle *xd;
2780
2781   xd = xendevicemodel_open(0, 0);
2782   xendevicemodel_close(xd);
2783
2784   return 0;
2785 }
2786 EOF
2787         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2788       then
2789       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2790       xen_ctrl_version=40900
2791       xen=enabled
2792     elif
2793         cat > $TMPC <<EOF &&
2794 /*
2795  * If we have stable libs the we don't want the libxc compat
2796  * layers, regardless of what CFLAGS we may have been given.
2797  *
2798  * Also, check if xengnttab_grant_copy_segment_t is defined and
2799  * grant copy operation is implemented.
2800  */
2801 #undef XC_WANT_COMPAT_EVTCHN_API
2802 #undef XC_WANT_COMPAT_GNTTAB_API
2803 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2804 #include <xenctrl.h>
2805 #include <xenstore.h>
2806 #include <xenevtchn.h>
2807 #include <xengnttab.h>
2808 #include <xenforeignmemory.h>
2809 #include <stdint.h>
2810 #include <xen/hvm/hvm_info_table.h>
2811 #if !defined(HVM_MAX_VCPUS)
2812 # error HVM_MAX_VCPUS not defined
2813 #endif
2814 int main(void) {
2815   xc_interface *xc = NULL;
2816   xenforeignmemory_handle *xfmem;
2817   xenevtchn_handle *xe;
2818   xengnttab_handle *xg;
2819   xengnttab_grant_copy_segment_t* seg = NULL;
2820
2821   xs_daemon_open();
2822
2823   xc = xc_interface_open(0, 0, 0);
2824   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2825   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2826   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2827   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2828
2829   xfmem = xenforeignmemory_open(0, 0);
2830   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2831
2832   xe = xenevtchn_open(0, 0);
2833   xenevtchn_fd(xe);
2834
2835   xg = xengnttab_open(0, 0);
2836   xengnttab_grant_copy(xg, 0, seg);
2837
2838   return 0;
2839 }
2840 EOF
2841         compile_prog "" "$xen_libs $xen_stable_libs"
2842       then
2843       xen_ctrl_version=40800
2844       xen=enabled
2845     elif
2846         cat > $TMPC <<EOF &&
2847 /*
2848  * If we have stable libs the we don't want the libxc compat
2849  * layers, regardless of what CFLAGS we may have been given.
2850  */
2851 #undef XC_WANT_COMPAT_EVTCHN_API
2852 #undef XC_WANT_COMPAT_GNTTAB_API
2853 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2854 #include <xenctrl.h>
2855 #include <xenstore.h>
2856 #include <xenevtchn.h>
2857 #include <xengnttab.h>
2858 #include <xenforeignmemory.h>
2859 #include <stdint.h>
2860 #include <xen/hvm/hvm_info_table.h>
2861 #if !defined(HVM_MAX_VCPUS)
2862 # error HVM_MAX_VCPUS not defined
2863 #endif
2864 int main(void) {
2865   xc_interface *xc = NULL;
2866   xenforeignmemory_handle *xfmem;
2867   xenevtchn_handle *xe;
2868   xengnttab_handle *xg;
2869
2870   xs_daemon_open();
2871
2872   xc = xc_interface_open(0, 0, 0);
2873   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2874   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2875   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2876   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2877
2878   xfmem = xenforeignmemory_open(0, 0);
2879   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2880
2881   xe = xenevtchn_open(0, 0);
2882   xenevtchn_fd(xe);
2883
2884   xg = xengnttab_open(0, 0);
2885   xengnttab_map_grant_ref(xg, 0, 0, 0);
2886
2887   return 0;
2888 }
2889 EOF
2890         compile_prog "" "$xen_libs $xen_stable_libs"
2891       then
2892       xen_ctrl_version=40701
2893       xen=enabled
2894
2895     # Xen 4.6
2896     elif
2897         cat > $TMPC <<EOF &&
2898 #include <xenctrl.h>
2899 #include <xenstore.h>
2900 #include <stdint.h>
2901 #include <xen/hvm/hvm_info_table.h>
2902 #if !defined(HVM_MAX_VCPUS)
2903 # error HVM_MAX_VCPUS not defined
2904 #endif
2905 int main(void) {
2906   xc_interface *xc;
2907   xs_daemon_open();
2908   xc = xc_interface_open(0, 0, 0);
2909   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2910   xc_gnttab_open(NULL, 0);
2911   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2912   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2913   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2914   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2915   return 0;
2916 }
2917 EOF
2918         compile_prog "" "$xen_libs"
2919       then
2920       xen_ctrl_version=40600
2921       xen=enabled
2922
2923     # Xen 4.5
2924     elif
2925         cat > $TMPC <<EOF &&
2926 #include <xenctrl.h>
2927 #include <xenstore.h>
2928 #include <stdint.h>
2929 #include <xen/hvm/hvm_info_table.h>
2930 #if !defined(HVM_MAX_VCPUS)
2931 # error HVM_MAX_VCPUS not defined
2932 #endif
2933 int main(void) {
2934   xc_interface *xc;
2935   xs_daemon_open();
2936   xc = xc_interface_open(0, 0, 0);
2937   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2938   xc_gnttab_open(NULL, 0);
2939   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2940   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2941   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2942   return 0;
2943 }
2944 EOF
2945         compile_prog "" "$xen_libs"
2946       then
2947       xen_ctrl_version=40500
2948       xen=enabled
2949
2950     elif
2951         cat > $TMPC <<EOF &&
2952 #include <xenctrl.h>
2953 #include <xenstore.h>
2954 #include <stdint.h>
2955 #include <xen/hvm/hvm_info_table.h>
2956 #if !defined(HVM_MAX_VCPUS)
2957 # error HVM_MAX_VCPUS not defined
2958 #endif
2959 int main(void) {
2960   xc_interface *xc;
2961   xs_daemon_open();
2962   xc = xc_interface_open(0, 0, 0);
2963   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2964   xc_gnttab_open(NULL, 0);
2965   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2966   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2967   return 0;
2968 }
2969 EOF
2970         compile_prog "" "$xen_libs"
2971       then
2972       xen_ctrl_version=40200
2973       xen=enabled
2974
2975     else
2976       if test "$xen" = "enabled" ; then
2977         feature_not_found "xen (unsupported version)" \
2978                           "Install a supported xen (xen 4.2 or newer)"
2979       fi
2980       xen=disabled
2981     fi
2982
2983     if test "$xen" = enabled; then
2984       if test $xen_ctrl_version -ge 40701  ; then
2985         xen_libs="$xen_libs $xen_stable_libs "
2986       fi
2987     fi
2988   fi
2989 fi
2990
2991 if test "$xen_pci_passthrough" != "disabled"; then
2992   if test "$xen" = "enabled" && test "$linux" = "yes"; then
2993     xen_pci_passthrough=enabled
2994   else
2995     if test "$xen_pci_passthrough" = "enabled"; then
2996       error_exit "User requested feature Xen PCI Passthrough" \
2997           " but this feature requires /sys from Linux"
2998     fi
2999     xen_pci_passthrough=disabled
3000   fi
3001 fi
3002
3003 ##########################################
3004 # Windows Hypervisor Platform accelerator (WHPX) check
3005 if test "$whpx" != "disabled"; then
3006     if test "$mingw32" = yes && test "$ARCH" = "x86_64" &&
3007             check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
3008         whpx="enabled"
3009     else
3010         if test "$whpx" = "enabled"; then
3011             if test "$ARCH" != "x86_64"; then
3012                 error_exit "WHPX requires 64-bit host"
3013             fi
3014             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
3015         fi
3016         whpx="disabled"
3017     fi
3018 fi
3019
3020 ##########################################
3021 # gettext probe
3022 if test "$gettext" != "false" ; then
3023   if has xgettext; then
3024     gettext=true
3025   else
3026     if test "$gettext" = "true" ; then
3027       feature_not_found "gettext" "Install xgettext binary"
3028     fi
3029     gettext=false
3030   fi
3031 fi
3032
3033 ##########################################
3034 # Sparse probe
3035 if test "$sparse" != "no" ; then
3036   if has sparse; then
3037     sparse=yes
3038   else
3039     if test "$sparse" = "yes" ; then
3040       feature_not_found "sparse" "Install sparse binary"
3041     fi
3042     sparse=no
3043   fi
3044 fi
3045
3046 ##########################################
3047 # X11 probe
3048 if $pkg_config --exists "x11"; then
3049     have_x11=yes
3050     x11_cflags=$($pkg_config --cflags x11)
3051     x11_libs=$($pkg_config --libs x11)
3052 fi
3053
3054 ##########################################
3055 # GTK probe
3056
3057 if test "$gtk" != "no"; then
3058     gtkpackage="gtk+-3.0"
3059     gtkx11package="gtk+-x11-3.0"
3060     gtkversion="3.22.0"
3061     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
3062         gtk_cflags=$($pkg_config --cflags $gtkpackage)
3063         gtk_libs=$($pkg_config --libs $gtkpackage)
3064         gtk_version=$($pkg_config --modversion $gtkpackage)
3065         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
3066             need_x11=yes
3067             gtk_cflags="$gtk_cflags $x11_cflags"
3068             gtk_libs="$gtk_libs $x11_libs"
3069         fi
3070         gtk="yes"
3071     elif test "$gtk" = "yes"; then
3072         feature_not_found "gtk" "Install gtk3-devel"
3073     else
3074         gtk="no"
3075     fi
3076 fi
3077
3078
3079 ##########################################
3080 # GNUTLS probe
3081
3082 if test "$gnutls" != "no"; then
3083     pass="no"
3084     if $pkg_config --exists "gnutls >= 3.1.18"; then
3085         gnutls_cflags=$($pkg_config --cflags gnutls)
3086         gnutls_libs=$($pkg_config --libs gnutls)
3087         # Packaging for the static libraries is not always correct.
3088         # At least ubuntu 18.04 ships only shared libraries.
3089         write_c_skeleton
3090         if compile_prog "" "$gnutls_libs" ; then
3091             pass="yes"
3092         fi
3093     fi
3094     if test "$pass" = "no" && test "$gnutls" = "yes"; then
3095         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
3096     else
3097         gnutls="$pass"
3098     fi
3099 fi
3100
3101
3102 # If user didn't give a --disable/enable-gcrypt flag,
3103 # then mark as disabled if user requested nettle
3104 # explicitly
3105 if test -z "$gcrypt"
3106 then
3107     if test "$nettle" = "yes"
3108     then
3109         gcrypt="no"
3110     fi
3111 fi
3112
3113 # If user didn't give a --disable/enable-nettle flag,
3114 # then mark as disabled if user requested gcrypt
3115 # explicitly
3116 if test -z "$nettle"
3117 then
3118     if test "$gcrypt" = "yes"
3119     then
3120         nettle="no"
3121     fi
3122 fi
3123
3124 has_libgcrypt() {
3125     if ! has "libgcrypt-config"
3126     then
3127         return 1
3128     fi
3129
3130     if test -n "$cross_prefix"
3131     then
3132         host=$(libgcrypt-config --host)
3133         if test "$host-" != $cross_prefix
3134         then
3135             return 1
3136         fi
3137     fi
3138
3139     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
3140     min=`libgcrypt-config --version | awk -F . '{print $2}'`
3141
3142     if test $maj != 1 || test $min -lt 5
3143     then
3144        return 1
3145     fi
3146
3147     return 0
3148 }
3149
3150
3151 if test "$nettle" != "no"; then
3152     pass="no"
3153     if $pkg_config --exists "nettle >= 2.7.1"; then
3154         nettle_cflags=$($pkg_config --cflags nettle)
3155         nettle_libs=$($pkg_config --libs nettle)
3156         nettle_version=$($pkg_config --modversion nettle)
3157         # Link test to make sure the given libraries work (e.g for static).
3158         write_c_skeleton
3159         if compile_prog "" "$nettle_libs" ; then
3160             if test -z "$gcrypt"; then
3161                gcrypt="no"
3162             fi
3163             pass="yes"
3164         fi
3165     fi
3166     if test "$pass" = "yes"
3167     then
3168         cat > $TMPC << EOF
3169 #include <nettle/xts.h>
3170 int main(void) {
3171   return 0;
3172 }
3173 EOF
3174         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3175             nettle_xts=yes
3176             qemu_private_xts=no
3177         fi
3178     fi
3179     if test "$pass" = "no" && test "$nettle" = "yes"; then
3180         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3181     else
3182         nettle="$pass"
3183     fi
3184 fi
3185
3186 if test "$gcrypt" != "no"; then
3187     pass="no"
3188     if has_libgcrypt; then
3189         gcrypt_cflags=$(libgcrypt-config --cflags)
3190         gcrypt_libs=$(libgcrypt-config --libs)
3191         # Debian has removed -lgpg-error from libgcrypt-config
3192         # as it "spreads unnecessary dependencies" which in
3193         # turn breaks static builds...
3194         if test "$static" = "yes"
3195         then
3196             gcrypt_libs="$gcrypt_libs -lgpg-error"
3197         fi
3198
3199         # Link test to make sure the given libraries work (e.g for static).
3200         write_c_skeleton
3201         if compile_prog "" "$gcrypt_libs" ; then
3202             pass="yes"
3203         fi
3204     fi
3205     if test "$pass" = "yes"; then
3206         gcrypt="yes"
3207         cat > $TMPC << EOF
3208 #include <gcrypt.h>
3209 int main(void) {
3210   gcry_mac_hd_t handle;
3211   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3212                 GCRY_MAC_FLAG_SECURE, NULL);
3213   return 0;
3214 }
3215 EOF
3216         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3217             gcrypt_hmac=yes
3218         fi
3219         cat > $TMPC << EOF
3220 #include <gcrypt.h>
3221 int main(void) {
3222   gcry_cipher_hd_t handle;
3223   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3224   return 0;
3225 }
3226 EOF
3227         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3228             gcrypt_xts=yes
3229             qemu_private_xts=no
3230         fi
3231     elif test "$gcrypt" = "yes"; then
3232         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3233     else
3234         gcrypt="no"
3235     fi
3236 fi
3237
3238
3239 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3240 then
3241     error_exit "Only one of gcrypt & nettle can be enabled"
3242 fi
3243
3244 ##########################################
3245 # libtasn1 - only for the TLS creds/session test suite
3246
3247 tasn1=yes
3248 tasn1_cflags=""
3249 tasn1_libs=""
3250 if $pkg_config --exists "libtasn1"; then
3251     tasn1_cflags=$($pkg_config --cflags libtasn1)
3252     tasn1_libs=$($pkg_config --libs libtasn1)
3253 else
3254     tasn1=no
3255 fi
3256
3257
3258 ##########################################
3259 # PAM probe
3260
3261 if test "$auth_pam" != "no"; then
3262     cat > $TMPC <<EOF
3263 #include <security/pam_appl.h>
3264 #include <stdio.h>
3265 int main(void) {
3266    const char *service_name = "qemu";
3267    const char *user = "frank";
3268    const struct pam_conv pam_conv = { 0 };
3269    pam_handle_t *pamh = NULL;
3270    pam_start(service_name, user, &pam_conv, &pamh);
3271    return 0;
3272 }
3273 EOF
3274     if compile_prog "" "-lpam" ; then
3275         auth_pam=yes
3276     else
3277         if test "$auth_pam" = "yes"; then
3278             feature_not_found "PAM" "Install PAM development package"
3279         else
3280             auth_pam=no
3281         fi
3282     fi
3283 fi
3284
3285 ##########################################
3286 # getifaddrs (for tests/test-io-channel-socket )
3287
3288 have_ifaddrs_h=yes
3289 if ! check_include "ifaddrs.h" ; then
3290   have_ifaddrs_h=no
3291 fi
3292
3293 #########################################
3294 # libdrm check
3295 have_drm_h=no
3296 if check_include "libdrm/drm.h" ; then
3297     have_drm_h=yes
3298 fi
3299
3300 #########################################
3301 # sys/signal.h check
3302 have_sys_signal_h=no
3303 if check_include "sys/signal.h" ; then
3304   have_sys_signal_h=yes
3305 fi
3306
3307 ##########################################
3308 # VTE probe
3309
3310 if test "$vte" != "no"; then
3311     vteminversion="0.32.0"
3312     if $pkg_config --exists "vte-2.91"; then
3313       vtepackage="vte-2.91"
3314     else
3315       vtepackage="vte-2.90"
3316     fi
3317     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3318         vte_cflags=$($pkg_config --cflags $vtepackage)
3319         vte_libs=$($pkg_config --libs $vtepackage)
3320         vteversion=$($pkg_config --modversion $vtepackage)
3321         vte="yes"
3322     elif test "$vte" = "yes"; then
3323         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3324     else
3325         vte="no"
3326     fi
3327 fi
3328
3329 ##########################################
3330 # RDMA needs OpenFabrics libraries
3331 if test "$rdma" != "no" ; then
3332   cat > $TMPC <<EOF
3333 #include <rdma/rdma_cma.h>
3334 int main(void) { return 0; }
3335 EOF
3336   rdma_libs="-lrdmacm -libverbs -libumad"
3337   if compile_prog "" "$rdma_libs" ; then
3338     rdma="yes"
3339   else
3340     if test "$rdma" = "yes" ; then
3341         error_exit \
3342             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3343             " Your options:" \
3344             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3345             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3346             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3347     fi
3348     rdma="no"
3349   fi
3350 fi
3351
3352 ##########################################
3353 # PVRDMA detection
3354
3355 cat > $TMPC <<EOF &&
3356 #include <sys/mman.h>
3357
3358 int
3359 main(void)
3360 {
3361     char buf = 0;
3362     void *addr = &buf;
3363     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3364
3365     return 0;
3366 }
3367 EOF
3368
3369 if test "$rdma" = "yes" ; then
3370     case "$pvrdma" in
3371     "")
3372         if compile_prog "" ""; then
3373             pvrdma="yes"
3374         else
3375             pvrdma="no"
3376         fi
3377         ;;
3378     "yes")
3379         if ! compile_prog "" ""; then
3380             error_exit "PVRDMA is not supported since mremap is not implemented"
3381         fi
3382         pvrdma="yes"
3383         ;;
3384     "no")
3385         pvrdma="no"
3386         ;;
3387     esac
3388 else
3389     if test "$pvrdma" = "yes" ; then
3390         error_exit "PVRDMA requires rdma suppport"
3391     fi
3392     pvrdma="no"
3393 fi
3394
3395 # Let's see if enhanced reg_mr is supported
3396 if test "$pvrdma" = "yes" ; then
3397
3398 cat > $TMPC <<EOF &&
3399 #include <infiniband/verbs.h>
3400
3401 int
3402 main(void)
3403 {
3404     struct ibv_mr *mr;
3405     struct ibv_pd *pd = NULL;
3406     size_t length = 10;
3407     uint64_t iova = 0;
3408     int access = 0;
3409     void *addr = NULL;
3410
3411     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3412
3413     ibv_dereg_mr(mr);
3414
3415     return 0;
3416 }
3417 EOF
3418     if ! compile_prog "" "-libverbs"; then
3419         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3420     fi
3421 fi
3422
3423 ##########################################
3424 # xfsctl() probe, used for file-posix.c
3425 if test "$xfs" != "no" ; then
3426   cat > $TMPC << EOF
3427 #include <stddef.h>  /* NULL */
3428 #include <xfs/xfs.h>
3429 int main(void)
3430 {
3431     xfsctl(NULL, 0, 0, NULL);
3432     return 0;
3433 }
3434 EOF
3435   if compile_prog "" "" ; then
3436     xfs="yes"
3437   else
3438     if test "$xfs" = "yes" ; then
3439       feature_not_found "xfs" "Install xfsprogs/xfslibs devel"
3440     fi
3441     xfs=no
3442   fi
3443 fi
3444
3445 ##########################################
3446 # vde libraries probe
3447 if test "$vde" != "no" ; then
3448   vde_libs="-lvdeplug"
3449   cat > $TMPC << EOF
3450 #include <libvdeplug.h>
3451 int main(void)
3452 {
3453     struct vde_open_args a = {0, 0, 0};
3454     char s[] = "";
3455     vde_open(s, s, &a);
3456     return 0;
3457 }
3458 EOF
3459   if compile_prog "" "$vde_libs" ; then
3460     vde=yes
3461   else
3462     if test "$vde" = "yes" ; then
3463       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3464     fi
3465     vde=no
3466   fi
3467 fi
3468
3469 ##########################################
3470 # netmap support probe
3471 # Apart from looking for netmap headers, we make sure that the host API version
3472 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3473 # a minor/major version number. Minor new features will be marked with values up
3474 # to 15, and if something happens that requires a change to the backend we will
3475 # move above 15, submit the backend fixes and modify this two bounds.
3476 if test "$netmap" != "no" ; then
3477   cat > $TMPC << EOF
3478 #include <inttypes.h>
3479 #include <net/if.h>
3480 #include <net/netmap.h>
3481 #include <net/netmap_user.h>
3482 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3483 #error
3484 #endif
3485 int main(void) { return 0; }
3486 EOF
3487   if compile_prog "" "" ; then
3488     netmap=yes
3489   else
3490     if test "$netmap" = "yes" ; then
3491       feature_not_found "netmap"
3492     fi
3493     netmap=no
3494   fi
3495 fi
3496
3497 ##########################################
3498 # libcap-ng library probe
3499 if test "$cap_ng" != "no" ; then
3500   cap_libs="-lcap-ng"
3501   cat > $TMPC << EOF
3502 #include <cap-ng.h>
3503 int main(void)
3504 {
3505     capng_capability_to_name(CAPNG_EFFECTIVE);
3506     return 0;
3507 }
3508 EOF
3509   if compile_prog "" "$cap_libs" ; then
3510     cap_ng=yes
3511   else
3512     if test "$cap_ng" = "yes" ; then
3513       feature_not_found "cap_ng" "Install libcap-ng devel"
3514     fi
3515     cap_ng=no
3516   fi
3517 fi
3518
3519 ##########################################
3520 # Sound support libraries probe
3521
3522 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3523 for drv in $audio_drv_list; do
3524     case $drv in
3525     alsa | try-alsa)
3526     if $pkg_config alsa --exists; then
3527         alsa_libs=$($pkg_config alsa --libs)
3528         alsa_cflags=$($pkg_config alsa --cflags)
3529         alsa=yes
3530         if test "$drv" = "try-alsa"; then
3531             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3532         fi
3533     else
3534         if test "$drv" = "try-alsa"; then
3535             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3536         else
3537             error_exit "$drv check failed" \
3538                 "Make sure to have the $drv libs and headers installed."
3539         fi
3540     fi
3541     ;;
3542
3543     pa | try-pa)
3544     if $pkg_config libpulse --exists; then
3545         libpulse=yes
3546         pulse_libs=$($pkg_config libpulse --libs)
3547         pulse_cflags=$($pkg_config libpulse --cflags)
3548         if test "$drv" = "try-pa"; then
3549             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3550         fi
3551     else
3552         if test "$drv" = "try-pa"; then
3553             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3554         else
3555             error_exit "$drv check failed" \
3556                 "Make sure to have the $drv libs and headers installed."
3557         fi
3558     fi
3559     ;;
3560
3561     sdl)
3562     if test "$sdl" = "no"; then
3563         error_exit "sdl not found or disabled, can not use sdl audio driver"
3564     fi
3565     ;;
3566
3567     try-sdl)
3568     if test "$sdl" = "no"; then
3569         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3570     else
3571         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3572     fi
3573     ;;
3574
3575     coreaudio)
3576       coreaudio_libs="-framework CoreAudio"
3577     ;;
3578
3579     dsound)
3580       dsound_libs="-lole32 -ldxguid"
3581       audio_win_int="yes"
3582     ;;
3583
3584     oss)
3585       oss_libs="$oss_lib"
3586     ;;
3587
3588     jack | try-jack)
3589     if $pkg_config jack --exists; then
3590         libjack=yes
3591         jack_libs=$($pkg_config jack --libs)
3592         if test "$drv" = "try-jack"; then
3593             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3594         fi
3595     else
3596         if test "$drv" = "try-jack"; then
3597             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3598         else
3599             error_exit "$drv check failed" \
3600                 "Make sure to have the $drv libs and headers installed."
3601         fi
3602     fi
3603     ;;
3604
3605     *)
3606     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3607         error_exit "Unknown driver '$drv' selected" \
3608             "Possible drivers are: $audio_possible_drivers"
3609     }
3610     ;;
3611     esac
3612 done
3613
3614 ##########################################
3615 # BrlAPI probe
3616
3617 if test "$brlapi" != "no" ; then
3618   brlapi_libs="-lbrlapi"
3619   cat > $TMPC << EOF
3620 #include <brlapi.h>
3621 #include <stddef.h>
3622 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3623 EOF
3624   if compile_prog "" "$brlapi_libs" ; then
3625     brlapi=yes
3626   else
3627     if test "$brlapi" = "yes" ; then
3628       feature_not_found "brlapi" "Install brlapi devel"
3629     fi
3630     brlapi=no
3631   fi
3632 fi
3633
3634 ##########################################
3635 # iconv probe
3636 if test "$iconv" != "no" ; then
3637   cat > $TMPC << EOF
3638 #include <iconv.h>
3639 int main(void) {
3640   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3641   return conv != (iconv_t) -1;
3642 }
3643 EOF
3644   iconv_prefix_list="/usr/local:/usr"
3645   iconv_lib_list=":-liconv"
3646   IFS=:
3647   for iconv_prefix in $iconv_prefix_list; do
3648     IFS=:
3649     iconv_cflags="-I$iconv_prefix/include"
3650     iconv_ldflags="-L$iconv_prefix/lib"
3651     for iconv_link in $iconv_lib_list; do
3652       unset IFS
3653       iconv_lib="$iconv_ldflags $iconv_link"
3654       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3655       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3656         iconv_found=yes
3657         break
3658       fi
3659     done
3660     if test "$iconv_found" = yes ; then
3661       break
3662     fi
3663   done
3664   if test "$iconv_found" = "yes" ; then
3665     iconv=yes
3666   else
3667     if test "$iconv" = "yes" ; then
3668       feature_not_found "iconv" "Install iconv devel"
3669     fi
3670     iconv=no
3671   fi
3672 fi
3673
3674 ##########################################
3675 # curses probe
3676 if test "$iconv" = "no" ; then
3677   # curses will need iconv
3678   curses=no
3679 fi
3680 if test "$curses" != "no" ; then
3681   if test "$mingw32" = "yes" ; then
3682     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3683     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3684   else
3685     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3686     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3687   fi
3688   curses_found=no
3689   cat > $TMPC << EOF
3690 #include <locale.h>
3691 #include <curses.h>
3692 #include <wchar.h>
3693 #include <langinfo.h>
3694 int main(void) {
3695   const char *codeset;
3696   wchar_t wch = L'w';
3697   setlocale(LC_ALL, "");
3698   resize_term(0, 0);
3699   addwstr(L"wide chars\n");
3700   addnwstr(&wch, 1);
3701   add_wch(WACS_DEGREE);
3702   codeset = nl_langinfo(CODESET);
3703   return codeset != 0;
3704 }
3705 EOF
3706   IFS=:
3707   for curses_inc in $curses_inc_list; do
3708     # Make sure we get the wide character prototypes
3709     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3710     IFS=:
3711     for curses_lib in $curses_lib_list; do
3712       unset IFS
3713       if compile_prog "$curses_inc" "$curses_lib" ; then
3714         curses_found=yes
3715         break
3716       fi
3717     done
3718     if test "$curses_found" = yes ; then
3719       break
3720     fi
3721   done
3722   unset IFS
3723   if test "$curses_found" = "yes" ; then
3724     curses=yes
3725   else
3726     if test "$curses" = "yes" ; then
3727       feature_not_found "curses" "Install ncurses devel"
3728     fi
3729     curses=no
3730   fi
3731 fi
3732
3733 ##########################################
3734 # curl probe
3735 if test "$curl" != "no" ; then
3736   if $pkg_config libcurl --exists; then
3737     curlconfig="$pkg_config libcurl"
3738   else
3739     curlconfig=curl-config
3740   fi
3741   cat > $TMPC << EOF
3742 #include <curl/curl.h>
3743 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3744 EOF
3745   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3746   curl_libs=$($curlconfig --libs 2>/dev/null)
3747   if compile_prog "$curl_cflags" "$curl_libs" ; then
3748     curl=yes
3749   else
3750     if test "$curl" = "yes" ; then
3751       feature_not_found "curl" "Install libcurl devel"
3752     fi
3753     curl=no
3754   fi
3755 fi # test "$curl"
3756
3757 ##########################################
3758 # glib support probe
3759
3760 glib_req_ver=2.48
3761 glib_modules=gthread-2.0
3762 if test "$modules" = yes; then
3763     glib_modules="$glib_modules gmodule-export-2.0"
3764 fi
3765 if test "$plugins" = yes; then
3766     glib_modules="$glib_modules gmodule-2.0"
3767 fi
3768
3769 for i in $glib_modules; do
3770     if $pkg_config --atleast-version=$glib_req_ver $i; then
3771         glib_cflags=$($pkg_config --cflags $i)
3772         glib_libs=$($pkg_config --libs $i)
3773     else
3774         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3775     fi
3776 done
3777
3778 # This workaround is required due to a bug in pkg-config file for glib as it
3779 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3780
3781 if test "$static" = yes && test "$mingw32" = yes; then
3782     glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
3783 fi
3784
3785 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3786     gio=yes
3787     gio_cflags=$($pkg_config --cflags gio-2.0)
3788     gio_libs=$($pkg_config --libs gio-2.0)
3789     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3790     if [ ! -x "$gdbus_codegen" ]; then
3791         gdbus_codegen=
3792     fi
3793 else
3794     gio=no
3795 fi
3796
3797 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3798     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3799     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3800 fi
3801
3802 # Sanity check that the current size_t matches the
3803 # size that glib thinks it should be. This catches
3804 # problems on multi-arch where people try to build
3805 # 32-bit QEMU while pointing at 64-bit glib headers
3806 cat > $TMPC <<EOF
3807 #include <glib.h>
3808 #include <unistd.h>
3809
3810 #define QEMU_BUILD_BUG_ON(x) \
3811   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3812
3813 int main(void) {
3814    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3815    return 0;
3816 }
3817 EOF
3818
3819 if ! compile_prog "$glib_cflags" "$glib_libs" ; then
3820     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3821                "You probably need to set PKG_CONFIG_LIBDIR"\
3822                "to point to the right pkg-config files for your"\
3823                "build target"
3824 fi
3825
3826 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3827 cat > $TMPC << EOF
3828 #include <glib.h>
3829 int main(void) { return 0; }
3830 EOF
3831 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3832     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3833         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3834         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3835     fi
3836 fi
3837
3838 # Silence clang warnings triggered by glib < 2.57.2
3839 cat > $TMPC << EOF
3840 #include <glib.h>
3841 typedef struct Foo {
3842     int i;
3843 } Foo;
3844 static void foo_free(Foo *f)
3845 {
3846     g_free(f);
3847 }
3848 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
3849 int main(void) { return 0; }
3850 EOF
3851 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3852     if cc_has_warning_flag "-Wno-unused-function"; then
3853         glib_cflags="$glib_cflags -Wno-unused-function"
3854         CFLAGS="$CFLAGS -Wno-unused-function"
3855     fi
3856 fi
3857
3858 ##########################################
3859 # SHA command probe for modules
3860 if test "$modules" = yes; then
3861     shacmd_probe="sha1sum sha1 shasum"
3862     for c in $shacmd_probe; do
3863         if has $c; then
3864             shacmd="$c"
3865             break
3866         fi
3867     done
3868     if test "$shacmd" = ""; then
3869         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3870     fi
3871 fi
3872
3873 ##########################################
3874 # pthread probe
3875 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3876
3877 pthread=no
3878 cat > $TMPC << EOF
3879 #include <pthread.h>
3880 static void *f(void *p) { return NULL; }
3881 int main(void) {
3882   pthread_t thread;
3883   pthread_create(&thread, 0, f, 0);
3884   return 0;
3885 }
3886 EOF
3887 if compile_prog "" "" ; then
3888   pthread=yes
3889 else
3890   for pthread_lib in $PTHREADLIBS_LIST; do
3891     if compile_prog "" "$pthread_lib" ; then
3892       pthread=yes
3893       found=no
3894       for lib_entry in $LIBS; do
3895         if test "$lib_entry" = "$pthread_lib"; then
3896           found=yes
3897           break
3898         fi
3899       done
3900       if test "$found" = "no"; then
3901         LIBS="$pthread_lib $LIBS"
3902       fi
3903       PTHREAD_LIB="$pthread_lib"
3904       break
3905     fi
3906   done
3907 fi
3908
3909 if test "$mingw32" != yes && test "$pthread" = no; then
3910   error_exit "pthread check failed" \
3911       "Make sure to have the pthread libs and headers installed."
3912 fi
3913
3914 # check for pthread_setname_np with thread id
3915 pthread_setname_np_w_tid=no
3916 cat > $TMPC << EOF
3917 #include <pthread.h>
3918
3919 static void *f(void *p) { return NULL; }
3920 int main(void)
3921 {
3922     pthread_t thread;
3923     pthread_create(&thread, 0, f, 0);
3924     pthread_setname_np(thread, "QEMU");
3925     return 0;
3926 }
3927 EOF
3928 if compile_prog "" "$pthread_lib" ; then
3929   pthread_setname_np_w_tid=yes
3930 fi
3931
3932 # check for pthread_setname_np without thread id
3933 pthread_setname_np_wo_tid=no
3934 cat > $TMPC << EOF
3935 #include <pthread.h>
3936
3937 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
3938 int main(void)
3939 {
3940     pthread_t thread;
3941     pthread_create(&thread, 0, f, 0);
3942     return 0;
3943 }
3944 EOF
3945 if compile_prog "" "$pthread_lib" ; then
3946   pthread_setname_np_wo_tid=yes
3947 fi
3948
3949 ##########################################
3950 # rbd probe
3951 if test "$rbd" != "no" ; then
3952   cat > $TMPC <<EOF
3953 #include <stdio.h>
3954 #include <rbd/librbd.h>
3955 int main(void) {
3956     rados_t cluster;
3957     rados_create(&cluster, NULL);
3958     return 0;
3959 }
3960 EOF
3961   rbd_libs="-lrbd -lrados"
3962   if compile_prog "" "$rbd_libs" ; then
3963     rbd=yes
3964   else
3965     if test "$rbd" = "yes" ; then
3966       feature_not_found "rados block device" "Install librbd/ceph devel"
3967     fi
3968     rbd=no
3969   fi
3970 fi
3971
3972 ##########################################
3973 # libssh probe
3974 if test "$libssh" != "no" ; then
3975   if $pkg_config --exists libssh; then
3976     libssh_cflags=$($pkg_config libssh --cflags)
3977     libssh_libs=$($pkg_config libssh --libs)
3978     libssh=yes
3979   else
3980     if test "$libssh" = "yes" ; then
3981       error_exit "libssh required for --enable-libssh"
3982     fi
3983     libssh=no
3984   fi
3985 fi
3986
3987 ##########################################
3988 # Check for libssh 0.8
3989 # This is done like this instead of using the LIBSSH_VERSION_* and
3990 # SSH_VERSION_* macros because some distributions in the past shipped
3991 # snapshots of the future 0.8 from Git, and those snapshots did not
3992 # have updated version numbers (still referring to 0.7.0).
3993
3994 if test "$libssh" = "yes"; then
3995   cat > $TMPC <<EOF
3996 #include <libssh/libssh.h>
3997 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
3998 EOF
3999   if compile_prog "$libssh_cflags" "$libssh_libs"; then
4000     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4001   fi
4002 fi
4003
4004 ##########################################
4005 # linux-aio probe
4006
4007 if test "$linux_aio" != "no" ; then
4008   cat > $TMPC <<EOF
4009 #include <libaio.h>
4010 #include <sys/eventfd.h>
4011 #include <stddef.h>
4012 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4013 EOF
4014   if compile_prog "" "-laio" ; then
4015     linux_aio=yes
4016   else
4017     if test "$linux_aio" = "yes" ; then
4018       feature_not_found "linux AIO" "Install libaio devel"
4019     fi
4020     linux_aio=no
4021   fi
4022 fi
4023 ##########################################
4024 # linux-io-uring probe
4025
4026 if test "$linux_io_uring" != "no" ; then
4027   if $pkg_config liburing; then
4028     linux_io_uring_cflags=$($pkg_config --cflags liburing)
4029     linux_io_uring_libs=$($pkg_config --libs liburing)
4030     linux_io_uring=yes
4031   else
4032     if test "$linux_io_uring" = "yes" ; then
4033       feature_not_found "linux io_uring" "Install liburing devel"
4034     fi
4035     linux_io_uring=no
4036   fi
4037 fi
4038
4039 ##########################################
4040 # TPM emulation is only on POSIX
4041
4042 if test "$tpm" = ""; then
4043   if test "$mingw32" = "yes"; then
4044     tpm=no
4045   else
4046     tpm=yes
4047   fi
4048 elif test "$tpm" = "yes"; then
4049   if test "$mingw32" = "yes" ; then
4050     error_exit "TPM emulation only available on POSIX systems"
4051   fi
4052 fi
4053
4054 ##########################################
4055 # attr probe
4056
4057 libattr_libs=
4058 if test "$attr" != "no" ; then
4059   cat > $TMPC <<EOF
4060 #include <stdio.h>
4061 #include <sys/types.h>
4062 #ifdef CONFIG_LIBATTR
4063 #include <attr/xattr.h>
4064 #else
4065 #include <sys/xattr.h>
4066 #endif
4067 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4068 EOF
4069   if compile_prog "" "" ; then
4070     attr=yes
4071   # Older distros have <attr/xattr.h>, and need -lattr:
4072   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4073     attr=yes
4074     libattr_libs="-lattr"
4075     libattr=yes
4076   else
4077     if test "$attr" = "yes" ; then
4078       feature_not_found "ATTR" "Install libc6 or libattr devel"
4079     fi
4080     attr=no
4081   fi
4082 fi
4083
4084 ##########################################
4085 # iovec probe
4086 cat > $TMPC <<EOF
4087 #include <sys/types.h>
4088 #include <sys/uio.h>
4089 #include <unistd.h>
4090 int main(void) { return sizeof(struct iovec); }
4091 EOF
4092 iovec=no
4093 if compile_prog "" "" ; then
4094   iovec=yes
4095 fi
4096
4097 ##########################################
4098 # preadv probe
4099 cat > $TMPC <<EOF
4100 #include <sys/types.h>
4101 #include <sys/uio.h>
4102 #include <unistd.h>
4103 int main(void) { return preadv(0, 0, 0, 0); }
4104 EOF
4105 preadv=no
4106 if compile_prog "" "" ; then
4107   preadv=yes
4108 fi
4109
4110 ##########################################
4111 # fdt probe
4112 # fdt support is mandatory for at least some target architectures,
4113 # so insist on it if we're building those system emulators.
4114 fdt_required=no
4115 for target in $target_list; do
4116   case $target in
4117     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4118       fdt_required=yes
4119     ;;
4120   esac
4121 done
4122
4123 if test "$fdt_required" = "yes"; then
4124   if test "$fdt" = "no"; then
4125     error_exit "fdt disabled but some requested targets require it." \
4126       "You can turn off fdt only if you also disable all the system emulation" \
4127       "targets which need it (by specifying a cut down --target-list)."
4128   fi
4129   fdt=yes
4130 elif test "$fdt" != "yes" ; then
4131   fdt=no
4132 fi
4133
4134 # fdt is only required when building softmmu targets
4135 if test -z "$fdt" -a "$softmmu" != "yes" ; then
4136     fdt="no"
4137 fi
4138
4139 if test "$fdt" != "no" ; then
4140   fdt_libs="-lfdt"
4141   # explicitly check for libfdt_env.h as it is missing in some stable installs
4142   # and test for required functions to make sure we are on a version >= 1.4.2
4143   cat > $TMPC << EOF
4144 #include <libfdt.h>
4145 #include <libfdt_env.h>
4146 int main(void) { fdt_check_full(NULL, 0); return 0; }
4147 EOF
4148   if compile_prog "" "$fdt_libs" ; then
4149     # system DTC is good - use it
4150     fdt=system
4151   else
4152       # have GIT checkout, so activate dtc submodule
4153       if test -e "${source_path}/.git" ; then
4154           git_submodules="${git_submodules} dtc"
4155       fi
4156       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4157           fdt=git
4158           mkdir -p dtc
4159           fdt_cflags="-I${source_path}/dtc/libfdt"
4160           fdt_ldflags="-Ldtc/libfdt"
4161           fdt_libs="$fdt_libs"
4162       elif test "$fdt" = "yes" ; then
4163           # Not a git build & no libfdt found, prompt for system install
4164           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4165                      "Please install the DTC (libfdt) devel package"
4166       else
4167           # don't have and don't want
4168           fdt_libs=
4169           fdt=no
4170       fi
4171   fi
4172 fi
4173
4174 ##########################################
4175 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4176
4177 gbm="no"
4178 if $pkg_config gbm; then
4179     gbm_cflags="$($pkg_config --cflags gbm)"
4180     gbm_libs="$($pkg_config --libs gbm)"
4181     gbm="yes"
4182 fi
4183
4184 if test "$opengl" != "no" ; then
4185   opengl_pkgs="epoxy gbm"
4186   if $pkg_config $opengl_pkgs; then
4187     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4188     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4189     opengl=yes
4190     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4191         gtk_gl="yes"
4192     fi
4193   else
4194     if test "$opengl" = "yes" ; then
4195       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4196     fi
4197     opengl_cflags=""
4198     opengl_libs=""
4199     opengl=no
4200   fi
4201 fi
4202
4203 if test "$opengl" = "yes"; then
4204   cat > $TMPC << EOF
4205 #include <epoxy/egl.h>
4206 #ifndef EGL_MESA_image_dma_buf_export
4207 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4208 #endif
4209 int main(void) { return 0; }
4210 EOF
4211   if compile_prog "" "" ; then
4212     opengl_dmabuf=yes
4213   fi
4214 fi
4215
4216 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4217   for target in $target_list; do
4218     case $target in
4219       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4220         need_x11=yes
4221       ;;
4222     esac
4223   done
4224 fi
4225
4226 ##########################################
4227 # libxml2 probe
4228 if test "$libxml2" != "no" ; then
4229     if $pkg_config --exists libxml-2.0; then
4230         libxml2="yes"
4231         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4232         libxml2_libs=$($pkg_config --libs libxml-2.0)
4233     else
4234         if test "$libxml2" = "yes"; then
4235             feature_not_found "libxml2" "Install libxml2 devel"
4236         fi
4237         libxml2="no"
4238     fi
4239 fi
4240
4241 ##########################################
4242 # glusterfs probe
4243 if test "$glusterfs" != "no" ; then
4244   if $pkg_config --atleast-version=3 glusterfs-api; then
4245     glusterfs="yes"
4246     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4247     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4248     if $pkg_config --atleast-version=4 glusterfs-api; then
4249       glusterfs_xlator_opt="yes"
4250     fi
4251     if $pkg_config --atleast-version=5 glusterfs-api; then
4252       glusterfs_discard="yes"
4253     fi
4254     if $pkg_config --atleast-version=6 glusterfs-api; then
4255       glusterfs_fallocate="yes"
4256       glusterfs_zerofill="yes"
4257     fi
4258     cat > $TMPC << EOF
4259 #include <glusterfs/api/glfs.h>
4260
4261 int
4262 main(void)
4263 {
4264         /* new glfs_ftruncate() passes two additional args */
4265         return glfs_ftruncate(NULL, 0, NULL, NULL);
4266 }
4267 EOF
4268     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4269       glusterfs_ftruncate_has_stat="yes"
4270     fi
4271     cat > $TMPC << EOF
4272 #include <glusterfs/api/glfs.h>
4273
4274 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4275 static void
4276 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4277 {}
4278
4279 int
4280 main(void)
4281 {
4282         glfs_io_cbk iocb = &glusterfs_iocb;
4283         iocb(NULL, 0 , NULL, NULL, NULL);
4284         return 0;
4285 }
4286 EOF
4287     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4288       glusterfs_iocb_has_stat="yes"
4289     fi
4290   else
4291     if test "$glusterfs" = "yes" ; then
4292       feature_not_found "GlusterFS backend support" \
4293           "Install glusterfs-api devel >= 3"
4294     fi
4295     glusterfs="no"
4296   fi
4297 fi
4298
4299 # Check for inotify functions when we are building linux-user
4300 # emulator.  This is done because older glibc versions don't
4301 # have syscall stubs for these implemented.  In that case we
4302 # don't provide them even if kernel supports them.
4303 #
4304 inotify=no
4305 cat > $TMPC << EOF
4306 #include <sys/inotify.h>
4307
4308 int
4309 main(void)
4310 {
4311         /* try to start inotify */
4312         return inotify_init();
4313 }
4314 EOF
4315 if compile_prog "" "" ; then
4316   inotify=yes
4317 fi
4318
4319 inotify1=no
4320 cat > $TMPC << EOF
4321 #include <sys/inotify.h>
4322
4323 int
4324 main(void)
4325 {
4326     /* try to start inotify */
4327     return inotify_init1(0);
4328 }
4329 EOF
4330 if compile_prog "" "" ; then
4331   inotify1=yes
4332 fi
4333
4334 # check if pipe2 is there
4335 pipe2=no
4336 cat > $TMPC << EOF
4337 #include <unistd.h>
4338 #include <fcntl.h>
4339
4340 int main(void)
4341 {
4342     int pipefd[2];
4343     return pipe2(pipefd, O_CLOEXEC);
4344 }
4345 EOF
4346 if compile_prog "" "" ; then
4347   pipe2=yes
4348 fi
4349
4350 # check if accept4 is there
4351 accept4=no
4352 cat > $TMPC << EOF
4353 #include <sys/socket.h>
4354 #include <stddef.h>
4355
4356 int main(void)
4357 {
4358     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4359     return 0;
4360 }
4361 EOF
4362 if compile_prog "" "" ; then
4363   accept4=yes
4364 fi
4365
4366 # check if tee/splice is there. vmsplice was added same time.
4367 splice=no
4368 cat > $TMPC << EOF
4369 #include <unistd.h>
4370 #include <fcntl.h>
4371 #include <limits.h>
4372
4373 int main(void)
4374 {
4375     int len, fd = 0;
4376     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4377     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4378     return 0;
4379 }
4380 EOF
4381 if compile_prog "" "" ; then
4382   splice=yes
4383 fi
4384
4385 ##########################################
4386 # libnuma probe
4387
4388 if test "$numa" != "no" ; then
4389   cat > $TMPC << EOF
4390 #include <numa.h>
4391 int main(void) { return numa_available(); }
4392 EOF
4393
4394   if compile_prog "" "-lnuma" ; then
4395     numa=yes
4396     numa_libs="-lnuma"
4397   else
4398     if test "$numa" = "yes" ; then
4399       feature_not_found "numa" "install numactl devel"
4400     fi
4401     numa=no
4402   fi
4403 fi
4404
4405 malloc=system
4406 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4407     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4408     exit 1
4409 elif test "$tcmalloc" = "yes" ; then
4410     malloc=tcmalloc
4411 elif test "$jemalloc" = "yes" ; then
4412     malloc=jemalloc
4413 fi
4414
4415 ##########################################
4416 # signalfd probe
4417 signalfd="no"
4418 cat > $TMPC << EOF
4419 #include <unistd.h>
4420 #include <sys/syscall.h>
4421 #include <signal.h>
4422 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4423 EOF
4424
4425 if compile_prog "" "" ; then
4426   signalfd=yes
4427 fi
4428
4429 # check if optreset global is declared by <getopt.h>
4430 optreset="no"
4431 cat > $TMPC << EOF
4432 #include <getopt.h>
4433 int main(void) { return optreset; }
4434 EOF
4435
4436 if compile_prog "" "" ; then
4437   optreset=yes
4438 fi
4439
4440 # check if eventfd is supported
4441 eventfd=no
4442 cat > $TMPC << EOF
4443 #include <sys/eventfd.h>
4444
4445 int main(void)
4446 {
4447     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4448 }
4449 EOF
4450 if compile_prog "" "" ; then
4451   eventfd=yes
4452 fi
4453
4454 # check if memfd is supported
4455 memfd=no
4456 cat > $TMPC << EOF
4457 #include <sys/mman.h>
4458
4459 int main(void)
4460 {
4461     return memfd_create("foo", MFD_ALLOW_SEALING);
4462 }
4463 EOF
4464 if compile_prog "" "" ; then
4465   memfd=yes
4466 fi
4467
4468 # check for usbfs
4469 have_usbfs=no
4470 if test "$linux_user" = "yes"; then
4471   cat > $TMPC << EOF
4472 #include <linux/usbdevice_fs.h>
4473
4474 #ifndef USBDEVFS_GET_CAPABILITIES
4475 #error "USBDEVFS_GET_CAPABILITIES undefined"
4476 #endif
4477
4478 #ifndef USBDEVFS_DISCONNECT_CLAIM
4479 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4480 #endif
4481
4482 int main(void)
4483 {
4484     return 0;
4485 }
4486 EOF
4487   if compile_prog "" ""; then
4488     have_usbfs=yes
4489   fi
4490 fi
4491
4492 # check for fallocate
4493 fallocate=no
4494 cat > $TMPC << EOF
4495 #include <fcntl.h>
4496
4497 int main(void)
4498 {
4499     fallocate(0, 0, 0, 0);
4500     return 0;
4501 }
4502 EOF
4503 if compile_prog "" "" ; then
4504   fallocate=yes
4505 fi
4506
4507 # check for fallocate hole punching
4508 fallocate_punch_hole=no
4509 cat > $TMPC << EOF
4510 #include <fcntl.h>
4511 #include <linux/falloc.h>
4512
4513 int main(void)
4514 {
4515     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4516     return 0;
4517 }
4518 EOF
4519 if compile_prog "" "" ; then
4520   fallocate_punch_hole=yes
4521 fi
4522
4523 # check that fallocate supports range zeroing inside the file
4524 fallocate_zero_range=no
4525 cat > $TMPC << EOF
4526 #include <fcntl.h>
4527 #include <linux/falloc.h>
4528
4529 int main(void)
4530 {
4531     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4532     return 0;
4533 }
4534 EOF
4535 if compile_prog "" "" ; then
4536   fallocate_zero_range=yes
4537 fi
4538
4539 # check for posix_fallocate
4540 posix_fallocate=no
4541 cat > $TMPC << EOF
4542 #include <fcntl.h>
4543
4544 int main(void)
4545 {
4546     posix_fallocate(0, 0, 0);
4547     return 0;
4548 }
4549 EOF
4550 if compile_prog "" "" ; then
4551     posix_fallocate=yes
4552 fi
4553
4554 # check for sync_file_range
4555 sync_file_range=no
4556 cat > $TMPC << EOF
4557 #include <fcntl.h>
4558
4559 int main(void)
4560 {
4561     sync_file_range(0, 0, 0, 0);
4562     return 0;
4563 }
4564 EOF
4565 if compile_prog "" "" ; then
4566   sync_file_range=yes
4567 fi
4568
4569 # check for linux/fiemap.h and FS_IOC_FIEMAP
4570 fiemap=no
4571 cat > $TMPC << EOF
4572 #include <sys/ioctl.h>
4573 #include <linux/fs.h>
4574 #include <linux/fiemap.h>
4575
4576 int main(void)
4577 {
4578     ioctl(0, FS_IOC_FIEMAP, 0);
4579     return 0;
4580 }
4581 EOF
4582 if compile_prog "" "" ; then
4583   fiemap=yes
4584 fi
4585
4586 # check for dup3
4587 dup3=no
4588 cat > $TMPC << EOF
4589 #include <unistd.h>
4590
4591 int main(void)
4592 {
4593     dup3(0, 0, 0);
4594     return 0;
4595 }
4596 EOF
4597 if compile_prog "" "" ; then
4598   dup3=yes
4599 fi
4600
4601 # check for ppoll support
4602 ppoll=no
4603 cat > $TMPC << EOF
4604 #include <poll.h>
4605
4606 int main(void)
4607 {
4608     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4609     ppoll(&pfd, 1, 0, 0);
4610     return 0;
4611 }
4612 EOF
4613 if compile_prog "" "" ; then
4614   ppoll=yes
4615 fi
4616
4617 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4618 prctl_pr_set_timerslack=no
4619 cat > $TMPC << EOF
4620 #include <sys/prctl.h>
4621
4622 int main(void)
4623 {
4624     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4625     return 0;
4626 }
4627 EOF
4628 if compile_prog "" "" ; then
4629   prctl_pr_set_timerslack=yes
4630 fi
4631
4632 # check for epoll support
4633 epoll=no
4634 cat > $TMPC << EOF
4635 #include <sys/epoll.h>
4636
4637 int main(void)
4638 {
4639     epoll_create(0);
4640     return 0;
4641 }
4642 EOF
4643 if compile_prog "" "" ; then
4644   epoll=yes
4645 fi
4646
4647 # epoll_create1 is a later addition
4648 # so we must check separately for its presence
4649 epoll_create1=no
4650 cat > $TMPC << EOF
4651 #include <sys/epoll.h>
4652
4653 int main(void)
4654 {
4655     /* Note that we use epoll_create1 as a value, not as
4656      * a function being called. This is necessary so that on
4657      * old SPARC glibc versions where the function was present in
4658      * the library but not declared in the header file we will
4659      * fail the configure check. (Otherwise we will get a compiler
4660      * warning but not an error, and will proceed to fail the
4661      * qemu compile where we compile with -Werror.)
4662      */
4663     return (int)(uintptr_t)&epoll_create1;
4664 }
4665 EOF
4666 if compile_prog "" "" ; then
4667   epoll_create1=yes
4668 fi
4669
4670 # check for sendfile support
4671 sendfile=no
4672 cat > $TMPC << EOF
4673 #include <sys/sendfile.h>
4674
4675 int main(void)
4676 {
4677     return sendfile(0, 0, 0, 0);
4678 }
4679 EOF
4680 if compile_prog "" "" ; then
4681   sendfile=yes
4682 fi
4683
4684 # check for timerfd support (glibc 2.8 and newer)
4685 timerfd=no
4686 cat > $TMPC << EOF
4687 #include <sys/timerfd.h>
4688
4689 int main(void)
4690 {
4691     return(timerfd_create(CLOCK_REALTIME, 0));
4692 }
4693 EOF
4694 if compile_prog "" "" ; then
4695   timerfd=yes
4696 fi
4697
4698 # check for setns and unshare support
4699 setns=no
4700 cat > $TMPC << EOF
4701 #include <sched.h>
4702
4703 int main(void)
4704 {
4705     int ret;
4706     ret = setns(0, 0);
4707     ret = unshare(0);
4708     return ret;
4709 }
4710 EOF
4711 if compile_prog "" "" ; then
4712   setns=yes
4713 fi
4714
4715 # clock_adjtime probe
4716 clock_adjtime=no
4717 cat > $TMPC <<EOF
4718 #include <time.h>
4719
4720 int main(void)
4721 {
4722     return clock_adjtime(0, 0);
4723 }
4724 EOF
4725 clock_adjtime=no
4726 if compile_prog "" "" ; then
4727   clock_adjtime=yes
4728 fi
4729
4730 # syncfs probe
4731 syncfs=no
4732 cat > $TMPC <<EOF
4733 #include <unistd.h>
4734
4735 int main(void)
4736 {
4737     return syncfs(0);
4738 }
4739 EOF
4740 syncfs=no
4741 if compile_prog "" "" ; then
4742   syncfs=yes
4743 fi
4744
4745 # check for kcov support (kernel must be 4.4+, compiled with certain options)
4746 kcov=no
4747 if check_include sys/kcov.h ; then
4748     kcov=yes
4749 fi
4750
4751 # check for btrfs filesystem support (kernel must be 3.9+)
4752 btrfs=no
4753 if check_include linux/btrfs.h ; then
4754     btrfs=yes
4755 fi
4756
4757 # If we're making warnings fatal, apply this to Sphinx runs as well
4758 sphinx_werror=""
4759 if test "$werror" = "yes"; then
4760     sphinx_werror="-W"
4761 fi
4762
4763 # Check we have a new enough version of sphinx-build
4764 has_sphinx_build() {
4765     # This is a bit awkward but works: create a trivial document and
4766     # try to run it with our configuration file (which enforces a
4767     # version requirement). This will fail if either
4768     # sphinx-build doesn't exist at all or if it is too old.
4769     mkdir -p "$TMPDIR1/sphinx"
4770     touch "$TMPDIR1/sphinx/index.rst"
4771     "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
4772                     -b html "$TMPDIR1/sphinx" \
4773                     "$TMPDIR1/sphinx/out"  >> config.log 2>&1
4774 }
4775
4776 # Check if tools are available to build documentation.
4777 if test "$docs" != "no" ; then
4778   if has_sphinx_build; then
4779     sphinx_ok=yes
4780   else
4781     sphinx_ok=no
4782   fi
4783   if test "$sphinx_ok" = "yes"; then
4784     docs=yes
4785   else
4786     if test "$docs" = "yes" ; then
4787       if has $sphinx_build && test "$sphinx_ok" != "yes"; then
4788         echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
4789       fi
4790       feature_not_found "docs" "Install a Python 3 version of python-sphinx"
4791     fi
4792     docs=no
4793   fi
4794 fi
4795
4796 # Search for bswap_32 function
4797 byteswap_h=no
4798 cat > $TMPC << EOF
4799 #include <byteswap.h>
4800 int main(void) { return bswap_32(0); }
4801 EOF
4802 if compile_prog "" "" ; then
4803   byteswap_h=yes
4804 fi
4805
4806 # Search for bswap32 function
4807 bswap_h=no
4808 cat > $TMPC << EOF
4809 #include <sys/endian.h>
4810 #include <sys/types.h>
4811 #include <machine/bswap.h>
4812 int main(void) { return bswap32(0); }
4813 EOF
4814 if compile_prog "" "" ; then
4815   bswap_h=yes
4816 fi
4817
4818 ##########################################
4819 # Do we have libiscsi >= 1.9.0
4820 if test "$libiscsi" != "no" ; then
4821   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4822     libiscsi="yes"
4823     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4824     libiscsi_libs=$($pkg_config --libs libiscsi)
4825   else
4826     if test "$libiscsi" = "yes" ; then
4827       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4828     fi
4829     libiscsi="no"
4830   fi
4831 fi
4832
4833 ##########################################
4834 # Do we need librt
4835 # uClibc provides 2 versions of clock_gettime(), one with realtime
4836 # support and one without. This means that the clock_gettime() don't
4837 # need -lrt. We still need it for timer_create() so we check for this
4838 # function in addition.
4839 cat > $TMPC <<EOF
4840 #include <signal.h>
4841 #include <time.h>
4842 int main(void) {
4843   timer_create(CLOCK_REALTIME, NULL, NULL);
4844   return clock_gettime(CLOCK_REALTIME, NULL);
4845 }
4846 EOF
4847
4848 if compile_prog "" "" ; then
4849   :
4850 # we need pthread for static linking. use previous pthread test result
4851 elif compile_prog "" "$pthread_lib -lrt" ; then
4852   LIBS="$LIBS -lrt"
4853 fi
4854
4855 # Check whether we have openpty() in either libc or libutil
4856 cat > $TMPC << EOF
4857 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4858 int main(void) { return openpty(0, 0, 0, 0, 0); }
4859 EOF
4860
4861 have_openpty="no"
4862 if compile_prog "" "" ; then
4863   have_openpty="yes"
4864 else
4865   if compile_prog "" "-lutil" ; then
4866     have_openpty="yes"
4867   fi
4868 fi
4869
4870 ##########################################
4871 # spice probe
4872 if test "$spice" != "no" ; then
4873   cat > $TMPC << EOF
4874 #include <spice.h>
4875 int main(void) { spice_server_new(); return 0; }
4876 EOF
4877   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4878   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4879   if $pkg_config --atleast-version=0.12.5 spice-server && \
4880      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4881      compile_prog "$spice_cflags" "$spice_libs" ; then
4882     spice="yes"
4883   else
4884     if test "$spice" = "yes" ; then
4885       feature_not_found "spice" \
4886           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4887     fi
4888     spice="no"
4889   fi
4890 fi
4891
4892 # check for smartcard support
4893 if test "$smartcard" != "no"; then
4894     if $pkg_config --atleast-version=2.5.1 libcacard; then
4895         libcacard_cflags=$($pkg_config --cflags libcacard)
4896         libcacard_libs=$($pkg_config --libs libcacard)
4897         smartcard="yes"
4898     else
4899         if test "$smartcard" = "yes"; then
4900             feature_not_found "smartcard" "Install libcacard devel"
4901         fi
4902         smartcard="no"
4903     fi
4904 fi
4905
4906 # check for libusb
4907 if test "$libusb" != "no" ; then
4908     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4909         libusb="yes"
4910         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4911         libusb_libs=$($pkg_config --libs libusb-1.0)
4912     else
4913         if test "$libusb" = "yes"; then
4914             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4915         fi
4916         libusb="no"
4917     fi
4918 fi
4919
4920 # check for usbredirparser for usb network redirection support
4921 if test "$usb_redir" != "no" ; then
4922     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4923         usb_redir="yes"
4924         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4925         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4926     else
4927         if test "$usb_redir" = "yes"; then
4928             feature_not_found "usb-redir" "Install usbredir devel"
4929         fi
4930         usb_redir="no"
4931     fi
4932 fi
4933
4934 ##########################################
4935 # check if we have VSS SDK headers for win
4936
4937 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4938         test "$vss_win32_sdk" != "no" ; then
4939   case "$vss_win32_sdk" in
4940     "")   vss_win32_include="-isystem $source_path" ;;
4941     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4942           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4943           vss_win32_include="-isystem $source_path/.sdk/vss"
4944           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4945           ;;
4946     *)    vss_win32_include="-isystem $vss_win32_sdk"
4947   esac
4948   cat > $TMPC << EOF
4949 #define __MIDL_user_allocate_free_DEFINED__
4950 #include <inc/win2003/vss.h>
4951 int main(void) { return VSS_CTX_BACKUP; }
4952 EOF
4953   if compile_prog "$vss_win32_include" "" ; then
4954     guest_agent_with_vss="yes"
4955     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4956     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4957     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4958   else
4959     if test "$vss_win32_sdk" != "" ; then
4960       echo "ERROR: Please download and install Microsoft VSS SDK:"
4961       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4962       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4963       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4964       echo "ERROR: The headers are extracted in the directory \`inc'."
4965       feature_not_found "VSS support"
4966     fi
4967     guest_agent_with_vss="no"
4968   fi
4969 fi
4970
4971 ##########################################
4972 # lookup Windows platform SDK (if not specified)
4973 # The SDK is needed only to build .tlb (type library) file of guest agent
4974 # VSS provider from the source. It is usually unnecessary because the
4975 # pre-compiled .tlb file is included.
4976
4977 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4978         test "$guest_agent_with_vss" = "yes" ; then
4979   if test -z "$win_sdk"; then
4980     programfiles="$PROGRAMFILES"
4981     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4982     if test -n "$programfiles"; then
4983       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4984     else
4985       feature_not_found "Windows SDK"
4986     fi
4987   elif test "$win_sdk" = "no"; then
4988     win_sdk=""
4989   fi
4990 fi
4991
4992 ##########################################
4993 # check if mingw environment provides a recent ntddscsi.h
4994 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4995   cat > $TMPC << EOF
4996 #include <windows.h>
4997 #include <ntddscsi.h>
4998 int main(void) {
4999 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5000 #error Missing required ioctl definitions
5001 #endif
5002   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5003   return addr.Lun;
5004 }
5005 EOF
5006   if compile_prog "" "" ; then
5007     guest_agent_ntddscsi=yes
5008     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5009   fi
5010 fi
5011
5012 ##########################################
5013 # virgl renderer probe
5014
5015 if test "$virglrenderer" != "no" ; then
5016   cat > $TMPC << EOF
5017 #include <virglrenderer.h>
5018 int main(void) { virgl_renderer_poll(); return 0; }
5019 EOF
5020   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5021   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5022   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5023   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5024      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5025     virglrenderer="yes"
5026   else
5027     if test "$virglrenderer" = "yes" ; then
5028       feature_not_found "virglrenderer"
5029     fi
5030     virglrenderer="no"
5031   fi
5032 fi
5033
5034 ##########################################
5035 # capstone
5036
5037 case "$capstone" in
5038   "" | yes)
5039     if $pkg_config capstone; then
5040       capstone=system
5041     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5042       capstone=git
5043     elif test -e "${source_path}/capstone/Makefile" ; then
5044       capstone=internal
5045     elif test -z "$capstone" ; then
5046       capstone=no
5047     else
5048       feature_not_found "capstone" "Install capstone devel or git submodule"
5049     fi
5050     ;;
5051
5052   system)
5053     if ! $pkg_config capstone; then
5054       feature_not_found "capstone" "Install capstone devel"
5055     fi
5056     ;;
5057 esac
5058
5059 case "$capstone" in
5060   git | internal)
5061     if test "$capstone" = git; then
5062       git_submodules="${git_submodules} capstone"
5063     fi
5064     mkdir -p capstone
5065     if test "$mingw32" = "yes"; then
5066       LIBCAPSTONE=capstone.lib
5067     else
5068       LIBCAPSTONE=libcapstone.a
5069     fi
5070     capstone_libs="-Lcapstone -lcapstone"
5071     capstone_cflags="-I${source_path}/capstone/include"
5072     ;;
5073
5074   system)
5075     capstone_libs="$($pkg_config --libs capstone)"
5076     capstone_cflags="$($pkg_config --cflags capstone)"
5077     ;;
5078
5079   no)
5080     ;;
5081   *)
5082     error_exit "Unknown state for capstone: $capstone"
5083     ;;
5084 esac
5085
5086 ##########################################
5087 # check if we have fdatasync
5088
5089 fdatasync=no
5090 cat > $TMPC << EOF
5091 #include <unistd.h>
5092 int main(void) {
5093 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5094 return fdatasync(0);
5095 #else
5096 #error Not supported
5097 #endif
5098 }
5099 EOF
5100 if compile_prog "" "" ; then
5101     fdatasync=yes
5102 fi
5103
5104 ##########################################
5105 # check if we have madvise
5106
5107 madvise=no
5108 cat > $TMPC << EOF
5109 #include <sys/types.h>
5110 #include <sys/mman.h>
5111 #include <stddef.h>
5112 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5113 EOF
5114 if compile_prog "" "" ; then
5115     madvise=yes
5116 fi
5117
5118 ##########################################
5119 # check if we have posix_madvise
5120
5121 posix_madvise=no
5122 cat > $TMPC << EOF
5123 #include <sys/mman.h>
5124 #include <stddef.h>
5125 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5126 EOF
5127 if compile_prog "" "" ; then
5128     posix_madvise=yes
5129 fi
5130
5131 ##########################################
5132 # check if we have posix_memalign()
5133
5134 posix_memalign=no
5135 cat > $TMPC << EOF
5136 #include <stdlib.h>
5137 int main(void) {
5138     void *p;
5139     return posix_memalign(&p, 8, 8);
5140 }
5141 EOF
5142 if compile_prog "" "" ; then
5143     posix_memalign=yes
5144 fi
5145
5146 ##########################################
5147 # check if we have posix_syslog
5148
5149 posix_syslog=no
5150 cat > $TMPC << EOF
5151 #include <syslog.h>
5152 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5153 EOF
5154 if compile_prog "" "" ; then
5155     posix_syslog=yes
5156 fi
5157
5158 ##########################################
5159 # check if we have sem_timedwait
5160
5161 sem_timedwait=no
5162 cat > $TMPC << EOF
5163 #include <semaphore.h>
5164 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5165 EOF
5166 if compile_prog "" "" ; then
5167     sem_timedwait=yes
5168 fi
5169
5170 ##########################################
5171 # check if we have strchrnul
5172
5173 strchrnul=no
5174 cat > $TMPC << EOF
5175 #include <string.h>
5176 int main(void);
5177 // Use a haystack that the compiler shouldn't be able to constant fold
5178 char *haystack = (char*)&main;
5179 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5180 EOF
5181 if compile_prog "" "" ; then
5182     strchrnul=yes
5183 fi
5184
5185 #########################################
5186 # check if we have st_atim
5187
5188 st_atim=no
5189 cat > $TMPC << EOF
5190 #include <sys/stat.h>
5191 #include <stddef.h>
5192 int main(void) { return offsetof(struct stat, st_atim); }
5193 EOF
5194 if compile_prog "" "" ; then
5195     st_atim=yes
5196 fi
5197
5198 ##########################################
5199 # check if trace backend exists
5200
5201 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5202 if test "$?" -ne 0 ; then
5203   error_exit "invalid trace backends" \
5204       "Please choose supported trace backends."
5205 fi
5206
5207 ##########################################
5208 # For 'ust' backend, test if ust headers are present
5209 if have_backend "ust"; then
5210   cat > $TMPC << EOF
5211 #include <lttng/tracepoint.h>
5212 int main(void) { return 0; }
5213 EOF
5214   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5215     if $pkg_config lttng-ust --exists; then
5216       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5217     else
5218       lttng_ust_libs="-llttng-ust -ldl"
5219     fi
5220     if $pkg_config liburcu-bp --exists; then
5221       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5222     else
5223       urcu_bp_libs="-lurcu-bp"
5224     fi
5225   else
5226     error_exit "Trace backend 'ust' missing lttng-ust header files"
5227   fi
5228 fi
5229
5230 ##########################################
5231 # For 'dtrace' backend, test if 'dtrace' command is present
5232 if have_backend "dtrace"; then
5233   if ! has 'dtrace' ; then
5234     error_exit "dtrace command is not found in PATH $PATH"
5235   fi
5236   trace_backend_stap="no"
5237   if has 'stap' ; then
5238     trace_backend_stap="yes"
5239   fi
5240 fi
5241
5242 ##########################################
5243 # check and set a backend for coroutine
5244
5245 # We prefer ucontext, but it's not always possible. The fallback
5246 # is sigcontext. On Windows the only valid backend is the Windows
5247 # specific one.
5248
5249 ucontext_works=no
5250 if test "$darwin" != "yes"; then
5251   cat > $TMPC << EOF
5252 #include <ucontext.h>
5253 #ifdef __stub_makecontext
5254 #error Ignoring glibc stub makecontext which will always fail
5255 #endif
5256 int main(void) { makecontext(0, 0, 0); return 0; }
5257 EOF
5258   if compile_prog "" "" ; then
5259     ucontext_works=yes
5260   fi
5261 fi
5262
5263 if test "$coroutine" = ""; then
5264   if test "$mingw32" = "yes"; then
5265     coroutine=win32
5266   elif test "$ucontext_works" = "yes"; then
5267     coroutine=ucontext
5268   else
5269     coroutine=sigaltstack
5270   fi
5271 else
5272   case $coroutine in
5273   windows)
5274     if test "$mingw32" != "yes"; then
5275       error_exit "'windows' coroutine backend only valid for Windows"
5276     fi
5277     # Unfortunately the user visible backend name doesn't match the
5278     # coroutine-*.c filename for this case, so we have to adjust it here.
5279     coroutine=win32
5280     ;;
5281   ucontext)
5282     if test "$ucontext_works" != "yes"; then
5283       feature_not_found "ucontext"
5284     fi
5285     ;;
5286   sigaltstack)
5287     if test "$mingw32" = "yes"; then
5288       error_exit "only the 'windows' coroutine backend is valid for Windows"
5289     fi
5290     ;;
5291   *)
5292     error_exit "unknown coroutine backend $coroutine"
5293     ;;
5294   esac
5295 fi
5296
5297 if test "$coroutine_pool" = ""; then
5298   coroutine_pool=yes
5299 fi
5300
5301 if test "$debug_stack_usage" = "yes"; then
5302   if test "$coroutine_pool" = "yes"; then
5303     echo "WARN: disabling coroutine pool for stack usage debugging"
5304     coroutine_pool=no
5305   fi
5306 fi
5307
5308 ##################################################
5309 # SafeStack
5310
5311
5312 if test "$safe_stack" = "yes"; then
5313 cat > $TMPC << EOF
5314 int main(int argc, char *argv[])
5315 {
5316 #if ! __has_feature(safe_stack)
5317 #error SafeStack Disabled
5318 #endif
5319     return 0;
5320 }
5321 EOF
5322   flag="-fsanitize=safe-stack"
5323   # Check that safe-stack is supported and enabled.
5324   if compile_prog "-Werror $flag" "$flag"; then
5325     # Flag needed both at compilation and at linking
5326     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5327     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5328   else
5329     error_exit "SafeStack not supported by your compiler"
5330   fi
5331   if test "$coroutine" != "ucontext"; then
5332     error_exit "SafeStack is only supported by the coroutine backend ucontext"
5333   fi
5334 else
5335 cat > $TMPC << EOF
5336 int main(int argc, char *argv[])
5337 {
5338 #if defined(__has_feature)
5339 #if __has_feature(safe_stack)
5340 #error SafeStack Enabled
5341 #endif
5342 #endif
5343     return 0;
5344 }
5345 EOF
5346 if test "$safe_stack" = "no"; then
5347   # Make sure that safe-stack is disabled
5348   if ! compile_prog "-Werror" ""; then
5349     # SafeStack was already enabled, try to explicitly remove the feature
5350     flag="-fno-sanitize=safe-stack"
5351     if ! compile_prog "-Werror $flag" "$flag"; then
5352       error_exit "Configure cannot disable SafeStack"
5353     fi
5354     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5355     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5356   fi
5357 else # "$safe_stack" = ""
5358   # Set safe_stack to yes or no based on pre-existing flags
5359   if compile_prog "-Werror" ""; then
5360     safe_stack="no"
5361   else
5362     safe_stack="yes"
5363     if test "$coroutine" != "ucontext"; then
5364       error_exit "SafeStack is only supported by the coroutine backend ucontext"
5365     fi
5366   fi
5367 fi
5368 fi
5369
5370 ##########################################
5371 # check if we have open_by_handle_at
5372
5373 open_by_handle_at=no
5374 cat > $TMPC << EOF
5375 #include <fcntl.h>
5376 #if !defined(AT_EMPTY_PATH)
5377 # error missing definition
5378 #else
5379 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5380 #endif
5381 EOF
5382 if compile_prog "" "" ; then
5383     open_by_handle_at=yes
5384 fi
5385
5386 ########################################
5387 # check if we have linux/magic.h
5388
5389 linux_magic_h=no
5390 cat > $TMPC << EOF
5391 #include <linux/magic.h>
5392 int main(void) {
5393   return 0;
5394 }
5395 EOF
5396 if compile_prog "" "" ; then
5397     linux_magic_h=yes
5398 fi
5399
5400 ########################################
5401 # check if we have valgrind/valgrind.h
5402
5403 valgrind_h=no
5404 cat > $TMPC << EOF
5405 #include <valgrind/valgrind.h>
5406 int main(void) {
5407   return 0;
5408 }
5409 EOF
5410 if compile_prog "" "" ; then
5411     valgrind_h=yes
5412 fi
5413
5414 ########################################
5415 # check if environ is declared
5416
5417 has_environ=no
5418 cat > $TMPC << EOF
5419 #include <unistd.h>
5420 int main(void) {
5421     environ = 0;
5422     return 0;
5423 }
5424 EOF
5425 if compile_prog "" "" ; then
5426     has_environ=yes
5427 fi
5428
5429 ########################################
5430 # check if cpuid.h is usable.
5431
5432 cat > $TMPC << EOF
5433 #include <cpuid.h>
5434 int main(void) {
5435     unsigned a, b, c, d;
5436     int max = __get_cpuid_max(0, 0);
5437
5438     if (max >= 1) {
5439         __cpuid(1, a, b, c, d);
5440     }
5441
5442     if (max >= 7) {
5443         __cpuid_count(7, 0, a, b, c, d);
5444     }
5445
5446     return 0;
5447 }
5448 EOF
5449 if compile_prog "" "" ; then
5450     cpuid_h=yes
5451 fi
5452
5453 ##########################################
5454 # avx2 optimization requirement check
5455 #
5456 # There is no point enabling this if cpuid.h is not usable,
5457 # since we won't be able to select the new routines.
5458
5459 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5460   cat > $TMPC << EOF
5461 #pragma GCC push_options
5462 #pragma GCC target("avx2")
5463 #include <cpuid.h>
5464 #include <immintrin.h>
5465 static int bar(void *a) {
5466     __m256i x = *(__m256i *)a;
5467     return _mm256_testz_si256(x, x);
5468 }
5469 int main(int argc, char *argv[]) { return bar(argv[0]); }
5470 EOF
5471   if compile_object "" ; then
5472     avx2_opt="yes"
5473   else
5474     avx2_opt="no"
5475   fi
5476 fi
5477
5478 ##########################################
5479 # avx512f optimization requirement check
5480 #
5481 # There is no point enabling this if cpuid.h is not usable,
5482 # since we won't be able to select the new routines.
5483 # by default, it is turned off.
5484 # if user explicitly want to enable it, check environment
5485
5486 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5487   cat > $TMPC << EOF
5488 #pragma GCC push_options
5489 #pragma GCC target("avx512f")
5490 #include <cpuid.h>
5491 #include <immintrin.h>
5492 static int bar(void *a) {
5493     __m512i x = *(__m512i *)a;
5494     return _mm512_test_epi64_mask(x, x);
5495 }
5496 int main(int argc, char *argv[])
5497 {
5498         return bar(argv[0]);
5499 }
5500 EOF
5501   if ! compile_object "" ; then
5502     avx512f_opt="no"
5503   fi
5504 else
5505   avx512f_opt="no"
5506 fi
5507
5508 ########################################
5509 # check if __[u]int128_t is usable.
5510
5511 int128=no
5512 cat > $TMPC << EOF
5513 __int128_t a;
5514 __uint128_t b;
5515 int main (void) {
5516   a = a + b;
5517   b = a * b;
5518   a = a * a;
5519   return 0;
5520 }
5521 EOF
5522 if compile_prog "" "" ; then
5523     int128=yes
5524 fi
5525
5526 #########################################
5527 # See if 128-bit atomic operations are supported.
5528
5529 atomic128=no
5530 if test "$int128" = "yes"; then
5531   cat > $TMPC << EOF
5532 int main(void)
5533 {
5534   unsigned __int128 x = 0, y = 0;
5535   y = __atomic_load_16(&x, 0);
5536   __atomic_store_16(&x, y, 0);
5537   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5538   return 0;
5539 }
5540 EOF
5541   if compile_prog "" "" ; then
5542     atomic128=yes
5543   fi
5544 fi
5545
5546 cmpxchg128=no
5547 if test "$int128" = yes && test "$atomic128" = no; then
5548   cat > $TMPC << EOF
5549 int main(void)
5550 {
5551   unsigned __int128 x = 0, y = 0;
5552   __sync_val_compare_and_swap_16(&x, y, x);
5553   return 0;
5554 }
5555 EOF
5556   if compile_prog "" "" ; then
5557     cmpxchg128=yes
5558   fi
5559 fi
5560
5561 #########################################
5562 # See if 64-bit atomic operations are supported.
5563 # Note that without __atomic builtins, we can only
5564 # assume atomic loads/stores max at pointer size.
5565
5566 cat > $TMPC << EOF
5567 #include <stdint.h>
5568 int main(void)
5569 {
5570   uint64_t x = 0, y = 0;
5571 #ifdef __ATOMIC_RELAXED
5572   y = __atomic_load_n(&x, __ATOMIC_RELAXED);
5573   __atomic_store_n(&x, y, __ATOMIC_RELAXED);
5574   __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
5575   __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
5576   __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
5577 #else
5578   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5579   __sync_lock_test_and_set(&x, y);
5580   __sync_val_compare_and_swap(&x, y, 0);
5581   __sync_fetch_and_add(&x, y);
5582 #endif
5583   return 0;
5584 }
5585 EOF
5586 if compile_prog "" "" ; then
5587   atomic64=yes
5588 fi
5589
5590 #########################################
5591 # See if --dynamic-list is supported by the linker
5592 ld_dynamic_list="no"
5593 if test "$static" = "no" ; then
5594     cat > $TMPTXT <<EOF
5595 {
5596   foo;
5597 };
5598 EOF
5599
5600     cat > $TMPC <<EOF
5601 #include <stdio.h>
5602 void foo(void);
5603
5604 void foo(void)
5605 {
5606   printf("foo\n");
5607 }
5608
5609 int main(void)
5610 {
5611   foo();
5612   return 0;
5613 }
5614 EOF
5615
5616     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5617         ld_dynamic_list="yes"
5618     fi
5619 fi
5620
5621 #########################################
5622 # See if -exported_symbols_list is supported by the linker
5623
5624 ld_exported_symbols_list="no"
5625 if test "$static" = "no" ; then
5626     cat > $TMPTXT <<EOF
5627   _foo
5628 EOF
5629
5630     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5631         ld_exported_symbols_list="yes"
5632     fi
5633 fi
5634
5635 if  test "$plugins" = "yes" &&
5636     test "$ld_dynamic_list" = "no" &&
5637     test "$ld_exported_symbols_list" = "no" ; then
5638   error_exit \
5639       "Plugin support requires dynamic linking and specifying a set of symbols " \
5640       "that are exported to plugins. Unfortunately your linker doesn't " \
5641       "support the flag (--dynamic-list or -exported_symbols_list) used " \
5642       "for this purpose. You can't build with --static."
5643 fi
5644
5645 ########################################
5646 # See if __attribute__((alias)) is supported.
5647 # This false for Xcode 9, but has been remedied for Xcode 10.
5648 # Unfortunately, travis uses Xcode 9 by default.
5649
5650 attralias=no
5651 cat > $TMPC << EOF
5652 int x = 1;
5653 extern const int y __attribute__((alias("x")));
5654 int main(void) { return 0; }
5655 EOF
5656 if compile_prog "" "" ; then
5657     attralias=yes
5658 fi
5659
5660 ########################################
5661 # check if getauxval is available.
5662
5663 getauxval=no
5664 cat > $TMPC << EOF
5665 #include <sys/auxv.h>
5666 int main(void) {
5667   return getauxval(AT_HWCAP) == 0;
5668 }
5669 EOF
5670 if compile_prog "" "" ; then
5671     getauxval=yes
5672 fi
5673
5674 ########################################
5675 # check if ccache is interfering with
5676 # semantic analysis of macros
5677
5678 unset CCACHE_CPP2
5679 ccache_cpp2=no
5680 cat > $TMPC << EOF
5681 static const int Z = 1;
5682 #define fn() ({ Z; })
5683 #define TAUT(X) ((X) == Z)
5684 #define PAREN(X, Y) (X == Y)
5685 #define ID(X) (X)
5686 int main(int argc, char *argv[])
5687 {
5688     int x = 0, y = 0;
5689     x = ID(x);
5690     x = fn();
5691     fn();
5692     if (PAREN(x, y)) return 0;
5693     if (TAUT(Z)) return 0;
5694     return 0;
5695 }
5696 EOF
5697
5698 if ! compile_object "-Werror"; then
5699     ccache_cpp2=yes
5700 fi
5701
5702 #################################################
5703 # clang does not support glibc + FORTIFY_SOURCE.
5704
5705 if test "$fortify_source" != "no"; then
5706   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5707     fortify_source="no";
5708   elif test -n "$cxx" && has $cxx &&
5709        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5710     fortify_source="no";
5711   else
5712     fortify_source="yes"
5713   fi
5714 fi
5715
5716 ###############################################
5717 # Check if copy_file_range is provided by glibc
5718 have_copy_file_range=no
5719 cat > $TMPC << EOF
5720 #include <unistd.h>
5721 int main(void) {
5722   copy_file_range(0, NULL, 0, NULL, 0, 0);
5723   return 0;
5724 }
5725 EOF
5726 if compile_prog "" "" ; then
5727     have_copy_file_range=yes
5728 fi
5729
5730 ##########################################
5731 # check if struct fsxattr is available via linux/fs.h
5732
5733 have_fsxattr=no
5734 cat > $TMPC << EOF
5735 #include <linux/fs.h>
5736 struct fsxattr foo;
5737 int main(void) {
5738   return 0;
5739 }
5740 EOF
5741 if compile_prog "" "" ; then
5742     have_fsxattr=yes
5743 fi
5744
5745 ##########################################
5746 # check for usable membarrier system call
5747 if test "$membarrier" = "yes"; then
5748     have_membarrier=no
5749     if test "$mingw32" = "yes" ; then
5750         have_membarrier=yes
5751     elif test "$linux" = "yes" ; then
5752         cat > $TMPC << EOF
5753     #include <linux/membarrier.h>
5754     #include <sys/syscall.h>
5755     #include <unistd.h>
5756     #include <stdlib.h>
5757     int main(void) {
5758         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5759         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5760         exit(0);
5761     }
5762 EOF
5763         if compile_prog "" "" ; then
5764             have_membarrier=yes
5765         fi
5766     fi
5767     if test "$have_membarrier" = "no"; then
5768       feature_not_found "membarrier" "membarrier system call not available"
5769     fi
5770 else
5771     # Do not enable it by default even for Mingw32, because it doesn't
5772     # work on Wine.
5773     membarrier=no
5774 fi
5775
5776 ##########################################
5777 # check if rtnetlink.h exists and is useful
5778 have_rtnetlink=no
5779 cat > $TMPC << EOF
5780 #include <linux/rtnetlink.h>
5781 int main(void) {
5782   return IFLA_PROTO_DOWN;
5783 }
5784 EOF
5785 if compile_prog "" "" ; then
5786     have_rtnetlink=yes
5787 fi
5788
5789 ##########################################
5790 # check for usable AF_VSOCK environment
5791 have_af_vsock=no
5792 cat > $TMPC << EOF
5793 #include <errno.h>
5794 #include <sys/types.h>
5795 #include <sys/socket.h>
5796 #if !defined(AF_VSOCK)
5797 # error missing AF_VSOCK flag
5798 #endif
5799 #include <linux/vm_sockets.h>
5800 int main(void) {
5801     int sock, ret;
5802     struct sockaddr_vm svm;
5803     socklen_t len = sizeof(svm);
5804     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5805     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5806     if ((ret == -1) && (errno == ENOTCONN)) {
5807         return 0;
5808     }
5809     return -1;
5810 }
5811 EOF
5812 if compile_prog "" "" ; then
5813     have_af_vsock=yes
5814 fi
5815
5816 ##########################################
5817 # check for usable AF_ALG environment
5818 have_afalg=no
5819 cat > $TMPC << EOF
5820 #include <errno.h>
5821 #include <sys/types.h>
5822 #include <sys/socket.h>
5823 #include <linux/if_alg.h>
5824 int main(void) {
5825     int sock;
5826     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5827     return sock;
5828 }
5829 EOF
5830 if compile_prog "" "" ; then
5831     have_afalg=yes
5832 fi
5833 if test "$crypto_afalg" = "yes"
5834 then
5835     if test "$have_afalg" != "yes"
5836     then
5837         error_exit "AF_ALG requested but could not be detected"
5838     fi
5839 fi
5840
5841
5842 #################################################
5843 # Check to see if we have the Hypervisor framework
5844 if [ "$hvf" != "disabled" ] ; then
5845   cat > $TMPC << EOF
5846 #include <Hypervisor/hv.h>
5847 int main() { return 0;}
5848 EOF
5849   if test "$darwin" = yes && compile_object ""; then
5850     hvf='enabled'
5851   else
5852     if test "$hvf" = "enabled"; then
5853         error_exit "Hypervisor.framework not available"
5854     fi
5855     hvf='disabled'
5856   fi
5857 fi
5858
5859 ##########################################
5860 # check for sysmacros.h
5861
5862 have_sysmacros=no
5863 cat > $TMPC << EOF
5864 #include <sys/sysmacros.h>
5865 int main(void) {
5866     return makedev(0, 0);
5867 }
5868 EOF
5869 if compile_prog "" "" ; then
5870     have_sysmacros=yes
5871 fi
5872
5873 ##########################################
5874 # check for _Static_assert()
5875
5876 have_static_assert=no
5877 cat > $TMPC << EOF
5878 _Static_assert(1, "success");
5879 int main(void) {
5880     return 0;
5881 }
5882 EOF
5883 if compile_prog "" "" ; then
5884     have_static_assert=yes
5885 fi
5886
5887 ##########################################
5888 # check for utmpx.h, it is missing e.g. on OpenBSD
5889
5890 have_utmpx=no
5891 cat > $TMPC << EOF
5892 #include <utmpx.h>
5893 struct utmpx user_info;
5894 int main(void) {
5895     return 0;
5896 }
5897 EOF
5898 if compile_prog "" "" ; then
5899     have_utmpx=yes
5900 fi
5901
5902 ##########################################
5903 # check for getrandom()
5904
5905 have_getrandom=no
5906 cat > $TMPC << EOF
5907 #include <sys/random.h>
5908 int main(void) {
5909     return getrandom(0, 0, GRND_NONBLOCK);
5910 }
5911 EOF
5912 if compile_prog "" "" ; then
5913     have_getrandom=yes
5914 fi
5915
5916 ##########################################
5917 # checks for sanitizers
5918
5919 have_asan=no
5920 have_ubsan=no
5921 have_asan_iface_h=no
5922 have_asan_iface_fiber=no
5923
5924 if test "$sanitizers" = "yes" ; then
5925   write_c_skeleton
5926   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5927       have_asan=yes
5928   fi
5929
5930   # we could use a simple skeleton for flags checks, but this also
5931   # detect the static linking issue of ubsan, see also:
5932   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5933   cat > $TMPC << EOF
5934 #include <stdlib.h>
5935 int main(void) {
5936     void *tmp = malloc(10);
5937     if (tmp != NULL) {
5938         return *(int *)(tmp + 2);
5939     }
5940     return 1;
5941 }
5942 EOF
5943   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5944       have_ubsan=yes
5945   fi
5946
5947   if check_include "sanitizer/asan_interface.h" ; then
5948       have_asan_iface_h=yes
5949   fi
5950
5951   cat > $TMPC << EOF
5952 #include <sanitizer/asan_interface.h>
5953 int main(void) {
5954   __sanitizer_start_switch_fiber(0, 0, 0);
5955   return 0;
5956 }
5957 EOF
5958   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5959       have_asan_iface_fiber=yes
5960   fi
5961 fi
5962
5963 ##########################################
5964 # checks for fuzzer
5965 if test "$fuzzing" = "yes" && test -z "${LIB_FUZZING_ENGINE+xxx}"; then
5966   write_c_fuzzer_skeleton
5967   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
5968     have_fuzzer=yes
5969   else
5970     error_exit "Your compiler doesn't support -fsanitize=fuzzer"
5971     exit 1
5972   fi
5973 fi
5974
5975 # Thread sanitizer is, for now, much noisier than the other sanitizers;
5976 # keep it separate until that is not the case.
5977 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
5978   error_exit "TSAN is not supported with other sanitiziers."
5979 fi
5980 have_tsan=no
5981 have_tsan_iface_fiber=no
5982 if test "$tsan" = "yes" ; then
5983   write_c_skeleton
5984   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
5985       have_tsan=yes
5986   fi
5987   cat > $TMPC << EOF
5988 #include <sanitizer/tsan_interface.h>
5989 int main(void) {
5990   __tsan_create_fiber(0);
5991   return 0;
5992 }
5993 EOF
5994   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
5995       have_tsan_iface_fiber=yes
5996   fi
5997 fi
5998
5999 ##########################################
6000 # check for libpmem
6001
6002 if test "$libpmem" != "no"; then
6003         if $pkg_config --exists "libpmem"; then
6004                 libpmem="yes"
6005                 libpmem_libs=$($pkg_config --libs libpmem)
6006                 libpmem_cflags=$($pkg_config --cflags libpmem)
6007         else
6008                 if test "$libpmem" = "yes" ; then
6009                         feature_not_found "libpmem" "Install nvml or pmdk"
6010                 fi
6011                 libpmem="no"
6012         fi
6013 fi
6014
6015 ##########################################
6016 # check for libdaxctl
6017
6018 if test "$libdaxctl" != "no"; then
6019         if $pkg_config --atleast-version=57 "libdaxctl"; then
6020                 libdaxctl="yes"
6021                 libdaxctl_libs=$($pkg_config --libs libdaxctl)
6022                 libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
6023         else
6024                 if test "$libdaxctl" = "yes" ; then
6025                         feature_not_found "libdaxctl" "Install libdaxctl"
6026                 fi
6027                 libdaxctl="no"
6028         fi
6029 fi
6030
6031 ##########################################
6032 # check for slirp
6033
6034 # slirp is only required when building softmmu targets
6035 if test -z "$slirp" -a "$softmmu" != "yes" ; then
6036     slirp="no"
6037 fi
6038
6039 case "$slirp" in
6040   "" | yes)
6041     if $pkg_config slirp; then
6042       slirp=system
6043     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6044       slirp=git
6045     elif test -e "${source_path}/slirp/Makefile" ; then
6046       slirp=internal
6047     elif test -z "$slirp" ; then
6048       slirp=no
6049     else
6050       feature_not_found "slirp" "Install slirp devel or git submodule"
6051     fi
6052     ;;
6053
6054   system)
6055     if ! $pkg_config slirp; then
6056       feature_not_found "slirp" "Install slirp devel"
6057     fi
6058     ;;
6059 esac
6060
6061 case "$slirp" in
6062   git | internal)
6063     if test "$slirp" = git; then
6064       git_submodules="${git_submodules} slirp"
6065     fi
6066     mkdir -p slirp
6067     slirp_cflags="-I${source_path}/slirp/src -Islirp/src"
6068     slirp_libs="-Lslirp -lslirp"
6069     if test "$mingw32" = "yes" ; then
6070       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6071     fi
6072     ;;
6073
6074   system)
6075     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6076     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6077     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6078     ;;
6079
6080   no)
6081     ;;
6082   *)
6083     error_exit "Unknown state for slirp: $slirp"
6084     ;;
6085 esac
6086
6087 ##########################################
6088 # check for usable __NR_keyctl syscall
6089
6090 if test "$linux" = "yes" ; then
6091
6092     have_keyring=no
6093     cat > $TMPC << EOF
6094 #include <errno.h>
6095 #include <asm/unistd.h>
6096 #include <linux/keyctl.h>
6097 #include <unistd.h>
6098 int main(void) {
6099     return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
6100 }
6101 EOF
6102     if compile_prog "" "" ; then
6103         have_keyring=yes
6104     fi
6105 fi
6106 if test "$secret_keyring" != "no"
6107 then
6108     if test "$have_keyring" = "yes"
6109     then
6110         secret_keyring=yes
6111     else
6112         if test "$secret_keyring" = "yes"
6113         then
6114             error_exit "syscall __NR_keyctl requested, \
6115 but not implemented on your system"
6116         else
6117             secret_keyring=no
6118         fi
6119     fi
6120 fi
6121
6122 ##########################################
6123 # End of CC checks
6124 # After here, no more $cc or $ld runs
6125
6126 write_c_skeleton
6127
6128 if test "$gcov" = "yes" ; then
6129   :
6130 elif test "$fortify_source" = "yes" ; then
6131   QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
6132   debug=no
6133 fi
6134 if test "$debug_info" = "yes"; then
6135   CFLAGS="-g $CFLAGS"
6136   LDFLAGS="-g $LDFLAGS"
6137 fi
6138 if test "$debug" = "no"; then
6139   CFLAGS="-O2 $CFLAGS"
6140 fi
6141
6142 case "$ARCH" in
6143 alpha)
6144   # Ensure there's only a single GP
6145   QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
6146 ;;
6147 esac
6148
6149 if test "$gprof" = "yes" ; then
6150   QEMU_CFLAGS="-p $QEMU_CFLAGS"
6151   QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
6152 fi
6153
6154 if test "$have_asan" = "yes"; then
6155   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6156   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6157   if test "$have_asan_iface_h" = "no" ; then
6158       echo "ASAN build enabled, but ASAN header missing." \
6159            "Without code annotation, the report may be inferior."
6160   elif test "$have_asan_iface_fiber" = "no" ; then
6161       echo "ASAN build enabled, but ASAN header is too old." \
6162            "Without code annotation, the report may be inferior."
6163   fi
6164 fi
6165 if test "$have_tsan" = "yes" ; then
6166   if test "$have_tsan_iface_fiber" = "yes" ; then
6167     QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
6168     QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
6169   else
6170     error_exit "Cannot enable TSAN due to missing fiber annotation interface."
6171   fi
6172 elif test "$tsan" = "yes" ; then
6173   error_exit "Cannot enable TSAN due to missing sanitize thread interface."
6174 fi
6175 if test "$have_ubsan" = "yes"; then
6176   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6177   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6178 fi
6179
6180 ##########################################
6181 # Do we have libnfs
6182 if test "$libnfs" != "no" ; then
6183   if $pkg_config --atleast-version=1.9.3 libnfs; then
6184     libnfs="yes"
6185     libnfs_libs=$($pkg_config --libs libnfs)
6186   else
6187     if test "$libnfs" = "yes" ; then
6188       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6189     fi
6190     libnfs="no"
6191   fi
6192 fi
6193
6194 ##########################################
6195
6196 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
6197 if test "$solaris" = "no" && test "$tsan" = "no"; then
6198     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6199         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6200     fi
6201 fi
6202
6203 # Use ASLR, no-SEH and DEP if available
6204 if test "$mingw32" = "yes" ; then
6205     for flag in --dynamicbase --no-seh --nxcompat; do
6206         if ld_has $flag ; then
6207             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6208         fi
6209     done
6210 fi
6211
6212 # Disable OpenBSD W^X if available
6213 if test "$tcg" = "enabled" && test "$targetos" = "OpenBSD"; then
6214     cat > $TMPC <<EOF
6215     int main(void) { return 0; }
6216 EOF
6217     wx_ldflags="-Wl,-z,wxneeded"
6218     if compile_prog "" "$wx_ldflags"; then
6219         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6220     fi
6221 fi
6222
6223 qemu_confdir="$sysconfdir/$qemu_suffix"
6224 qemu_moddir="$libdir/$qemu_suffix"
6225 qemu_datadir="$datadir/$qemu_suffix"
6226 qemu_docdir="$docdir/$qemu_suffix"
6227 qemu_localedir="$datadir/locale"
6228 qemu_icondir="$datadir/icons"
6229 qemu_desktopdir="$datadir/applications"
6230
6231 # We can only support ivshmem if we have eventfd
6232 if [ "$eventfd" = "yes" ]; then
6233   ivshmem=yes
6234 fi
6235
6236 if test "$softmmu" = yes ; then
6237   if test "$linux" = yes; then
6238     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6239       virtfs=yes
6240     else
6241       if test "$virtfs" = yes; then
6242         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6243       fi
6244       virtfs=no
6245     fi
6246   else
6247     if test "$virtfs" = yes; then
6248       error_exit "VirtFS is supported only on Linux"
6249     fi
6250     virtfs=no
6251   fi
6252 fi
6253
6254 # Probe for guest agent support/options
6255
6256 if [ "$guest_agent" != "no" ]; then
6257   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6258       guest_agent=no
6259   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6260       guest_agent=yes
6261   elif [ "$guest_agent" != yes ]; then
6262       guest_agent=no
6263   else
6264       error_exit "Guest agent is not supported on this platform"
6265   fi
6266 fi
6267
6268 # Guest agent Window MSI  package
6269
6270 if test "$guest_agent" != yes; then
6271   if test "$guest_agent_msi" = yes; then
6272     error_exit "MSI guest agent package requires guest agent enabled"
6273   fi
6274   guest_agent_msi=no
6275 elif test "$mingw32" != "yes"; then
6276   if test "$guest_agent_msi" = "yes"; then
6277     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6278   fi
6279   guest_agent_msi=no
6280 elif ! has wixl; then
6281   if test "$guest_agent_msi" = "yes"; then
6282     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6283   fi
6284   guest_agent_msi=no
6285 else
6286   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6287   # disabled explicitly
6288   if test "$guest_agent_msi" != "no"; then
6289     guest_agent_msi=yes
6290   fi
6291 fi
6292
6293 if test "$guest_agent_msi" = "yes"; then
6294   if test "$guest_agent_with_vss" = "yes"; then
6295     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6296   fi
6297
6298   if test "$QEMU_GA_MANUFACTURER" = ""; then
6299     QEMU_GA_MANUFACTURER=QEMU
6300   fi
6301
6302   if test "$QEMU_GA_DISTRO" = ""; then
6303     QEMU_GA_DISTRO=Linux
6304   fi
6305
6306   if test "$QEMU_GA_VERSION" = ""; then
6307       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6308   fi
6309
6310   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6311
6312   case "$cpu" in
6313   x86_64)
6314     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6315     ;;
6316   i386)
6317     QEMU_GA_MSI_ARCH="-D Arch=32"
6318     ;;
6319   *)
6320     error_exit "CPU $cpu not supported for building installation package"
6321     ;;
6322   esac
6323 fi
6324
6325 # Mac OS X ships with a broken assembler
6326 roms=
6327 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6328         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6329         test "$softmmu" = yes ; then
6330     # Different host OS linkers have different ideas about the name of the ELF
6331     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6332     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6333     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6334         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6335             ld_i386_emulation="$emu"
6336             roms="optionrom"
6337             break
6338         fi
6339     done
6340 fi
6341
6342 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6343 if test "$cpu" = "s390x" ; then
6344   write_c_skeleton
6345   if compile_prog "-march=z900" ""; then
6346     roms="$roms s390-ccw"
6347     # SLOF is required for building the s390-ccw firmware on s390x,
6348     # since it is using the libnet code from SLOF for network booting.
6349     if test -e "${source_path}/.git" ; then
6350       git_submodules="${git_submodules} roms/SLOF"
6351     fi
6352   fi
6353 fi
6354
6355 # Check that the C++ compiler exists and works with the C compiler.
6356 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6357 if has $cxx; then
6358     cat > $TMPC <<EOF
6359 int c_function(void);
6360 int main(void) { return c_function(); }
6361 EOF
6362
6363     compile_object
6364
6365     cat > $TMPCXX <<EOF
6366 extern "C" {
6367    int c_function(void);
6368 }
6369 int c_function(void) { return 42; }
6370 EOF
6371
6372     update_cxxflags
6373
6374     if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6375         # C++ compiler $cxx works ok with C compiler $cc
6376         :
6377     else
6378         echo "C++ compiler $cxx does not work with C compiler $cc"
6379         echo "Disabling C++ specific optional code"
6380         cxx=
6381     fi
6382 else
6383     echo "No C++ compiler available; disabling C++ specific optional code"
6384     cxx=
6385 fi
6386
6387 if test $git_update = 'yes' ; then
6388     (cd "${source_path}" && GIT="$git" "./scripts/git-submodule.sh" update "$git_submodules")
6389 fi
6390 if test "$fdt" = "git" ; then
6391     symlink "$source_path/dtc/Makefile" "dtc/Makefile"
6392 fi
6393
6394 config_host_mak="config-host.mak"
6395
6396 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6397 echo >> $config_host_mak
6398
6399 echo all: >> $config_host_mak
6400 echo "prefix=$prefix" >> $config_host_mak
6401 echo "bindir=$bindir" >> $config_host_mak
6402 echo "libdir=$libdir" >> $config_host_mak
6403 echo "libexecdir=$libexecdir" >> $config_host_mak
6404 echo "includedir=$includedir" >> $config_host_mak
6405 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6406 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6407 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6408 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6409 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6410 if test "$mingw32" = "no" ; then
6411   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6412 fi
6413 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6414 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6415 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6416 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6417 echo "GIT=$git" >> $config_host_mak
6418 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6419 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6420
6421 echo "ARCH=$ARCH" >> $config_host_mak
6422
6423 if test "$default_devices" = "yes" ; then
6424   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6425 else
6426   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6427 fi
6428 if test "$debug_tcg" = "yes" ; then
6429   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6430 fi
6431 if test "$strip_opt" = "yes" ; then
6432   echo "STRIP=${strip}" >> $config_host_mak
6433 fi
6434 if test "$bigendian" = "yes" ; then
6435   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6436 fi
6437 if test "$mingw32" = "yes" ; then
6438   echo "CONFIG_WIN32=y" >> $config_host_mak
6439   rc_version=$(cat $source_path/VERSION)
6440   version_major=${rc_version%%.*}
6441   rc_version=${rc_version#*.}
6442   version_minor=${rc_version%%.*}
6443   rc_version=${rc_version#*.}
6444   version_subminor=${rc_version%%.*}
6445   version_micro=0
6446   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6447   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6448   if test "$guest_agent_with_vss" = "yes" ; then
6449     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6450     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6451     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6452   fi
6453   if test "$guest_agent_ntddscsi" = "yes" ; then
6454     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6455   fi
6456   if test "$guest_agent_msi" = "yes"; then
6457     echo "CONFIG_QGA_MSI=y" >> $config_host_mak
6458     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6459     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6460     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6461     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6462     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6463     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6464   fi
6465 else
6466   echo "CONFIG_POSIX=y" >> $config_host_mak
6467 fi
6468
6469 if test "$linux" = "yes" ; then
6470   echo "CONFIG_LINUX=y" >> $config_host_mak
6471 fi
6472
6473 if test "$darwin" = "yes" ; then
6474   echo "CONFIG_DARWIN=y" >> $config_host_mak
6475 fi
6476
6477 if test "$solaris" = "yes" ; then
6478   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6479 fi
6480 if test "$haiku" = "yes" ; then
6481   echo "CONFIG_HAIKU=y" >> $config_host_mak
6482 fi
6483 if test "$static" = "yes" ; then
6484   echo "CONFIG_STATIC=y" >> $config_host_mak
6485 fi
6486 if test "$profiler" = "yes" ; then
6487   echo "CONFIG_PROFILER=y" >> $config_host_mak
6488 fi
6489 if test "$want_tools" = "yes" ; then
6490   echo "CONFIG_TOOLS=y" >> $config_host_mak
6491 fi
6492 if test "$guest_agent" = "yes" ; then
6493   echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
6494 fi
6495 if test "$slirp" != "no"; then
6496   echo "CONFIG_SLIRP=y" >> $config_host_mak
6497   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6498   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6499   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6500 fi
6501 subdirs=
6502 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6503   subdirs="$subdirs slirp"
6504 fi
6505 if test "$vde" = "yes" ; then
6506   echo "CONFIG_VDE=y" >> $config_host_mak
6507   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6508 fi
6509 if test "$netmap" = "yes" ; then
6510   echo "CONFIG_NETMAP=y" >> $config_host_mak
6511 fi
6512 if test "$l2tpv3" = "yes" ; then
6513   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6514 fi
6515 if test "$gprof" = "yes" ; then
6516   echo "CONFIG_GPROF=y" >> $config_host_mak
6517 fi
6518 if test "$cap_ng" = "yes" ; then
6519   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
6520   echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
6521 fi
6522 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6523 for drv in $audio_drv_list; do
6524     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6525     echo "$def=y" >> $config_host_mak
6526 done
6527 if test "$alsa" = "yes" ; then
6528     echo "CONFIG_ALSA=y" >> $config_host_mak
6529 fi
6530 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6531 echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak
6532 if test "$libpulse" = "yes" ; then
6533     echo "CONFIG_LIBPULSE=y" >> $config_host_mak
6534 fi
6535 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6536 echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak
6537 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6538 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6539 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6540 if test "$libjack" = "yes" ; then
6541     echo "CONFIG_LIBJACK=y" >> $config_host_mak
6542 fi
6543 echo "JACK_LIBS=$jack_libs" >> $config_host_mak
6544 if test "$audio_win_int" = "yes" ; then
6545   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6546 fi
6547 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6548 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6549 if test "$xfs" = "yes" ; then
6550   echo "CONFIG_XFS=y" >> $config_host_mak
6551 fi
6552 qemu_version=$(head $source_path/VERSION)
6553 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6554 echo "SRC_PATH=$source_path" >> $config_host_mak
6555 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6556 if [ "$docs" = "yes" ] ; then
6557   echo "BUILD_DOCS=yes" >> $config_host_mak
6558 fi
6559 if test "$modules" = "yes"; then
6560   # $shacmd can generate a hash started with digit, which the compiler doesn't
6561   # like as an symbol. So prefix it with an underscore
6562   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6563   echo "CONFIG_MODULES=y" >> $config_host_mak
6564 fi
6565 if test "$module_upgrades" = "yes"; then
6566   echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
6567 fi
6568 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6569   echo "CONFIG_X11=y" >> $config_host_mak
6570   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6571   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6572 fi
6573 if test "$iconv" = "yes" ; then
6574   echo "CONFIG_ICONV=y" >> $config_host_mak
6575   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6576   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6577 fi
6578 if test "$curses" = "yes" ; then
6579   echo "CONFIG_CURSES=y" >> $config_host_mak
6580   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6581   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6582 fi
6583 if test "$pipe2" = "yes" ; then
6584   echo "CONFIG_PIPE2=y" >> $config_host_mak
6585 fi
6586 if test "$accept4" = "yes" ; then
6587   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6588 fi
6589 if test "$splice" = "yes" ; then
6590   echo "CONFIG_SPLICE=y" >> $config_host_mak
6591 fi
6592 if test "$eventfd" = "yes" ; then
6593   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6594 fi
6595 if test "$memfd" = "yes" ; then
6596   echo "CONFIG_MEMFD=y" >> $config_host_mak
6597 fi
6598 if test "$have_usbfs" = "yes" ; then
6599   echo "CONFIG_USBFS=y" >> $config_host_mak
6600 fi
6601 if test "$fallocate" = "yes" ; then
6602   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6603 fi
6604 if test "$fallocate_punch_hole" = "yes" ; then
6605   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6606 fi
6607 if test "$fallocate_zero_range" = "yes" ; then
6608   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6609 fi
6610 if test "$posix_fallocate" = "yes" ; then
6611   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6612 fi
6613 if test "$sync_file_range" = "yes" ; then
6614   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6615 fi
6616 if test "$fiemap" = "yes" ; then
6617   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6618 fi
6619 if test "$dup3" = "yes" ; then
6620   echo "CONFIG_DUP3=y" >> $config_host_mak
6621 fi
6622 if test "$ppoll" = "yes" ; then
6623   echo "CONFIG_PPOLL=y" >> $config_host_mak
6624 fi
6625 if test "$prctl_pr_set_timerslack" = "yes" ; then
6626   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6627 fi
6628 if test "$epoll" = "yes" ; then
6629   echo "CONFIG_EPOLL=y" >> $config_host_mak
6630 fi
6631 if test "$epoll_create1" = "yes" ; then
6632   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6633 fi
6634 if test "$sendfile" = "yes" ; then
6635   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6636 fi
6637 if test "$timerfd" = "yes" ; then
6638   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6639 fi
6640 if test "$setns" = "yes" ; then
6641   echo "CONFIG_SETNS=y" >> $config_host_mak
6642 fi
6643 if test "$clock_adjtime" = "yes" ; then
6644   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6645 fi
6646 if test "$syncfs" = "yes" ; then
6647   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6648 fi
6649 if test "$kcov" = "yes" ; then
6650   echo "CONFIG_KCOV=y" >> $config_host_mak
6651 fi
6652 if test "$btrfs" = "yes" ; then
6653   echo "CONFIG_BTRFS=y" >> $config_host_mak
6654 fi
6655 if test "$inotify" = "yes" ; then
6656   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6657 fi
6658 if test "$inotify1" = "yes" ; then
6659   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6660 fi
6661 if test "$sem_timedwait" = "yes" ; then
6662   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6663 fi
6664 if test "$strchrnul" = "yes" ; then
6665   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6666 fi
6667 if test "$st_atim" = "yes" ; then
6668   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
6669 fi
6670 if test "$byteswap_h" = "yes" ; then
6671   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6672 fi
6673 if test "$bswap_h" = "yes" ; then
6674   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6675 fi
6676 if test "$curl" = "yes" ; then
6677   echo "CONFIG_CURL=y" >> $config_host_mak
6678   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6679   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6680 fi
6681 if test "$brlapi" = "yes" ; then
6682   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6683   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6684 fi
6685 if test "$gtk" = "yes" ; then
6686   echo "CONFIG_GTK=y" >> $config_host_mak
6687   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6688   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6689   if test "$gtk_gl" = "yes" ; then
6690     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6691   fi
6692 fi
6693 if test "$gio" = "yes" ; then
6694     echo "CONFIG_GIO=y" >> $config_host_mak
6695     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6696     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6697     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
6698 fi
6699 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6700 if test "$gnutls" = "yes" ; then
6701   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6702   echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
6703   echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
6704 fi
6705 if test "$gcrypt" = "yes" ; then
6706   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6707   if test "$gcrypt_hmac" = "yes" ; then
6708     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6709   fi
6710   echo "GCRYPT_CFLAGS=$gcrypt_cflags" >> $config_host_mak
6711   echo "GCRYPT_LIBS=$gcrypt_libs" >> $config_host_mak
6712 fi
6713 if test "$nettle" = "yes" ; then
6714   echo "CONFIG_NETTLE=y" >> $config_host_mak
6715   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6716   echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
6717   echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
6718 fi
6719 if test "$qemu_private_xts" = "yes" ; then
6720   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6721 fi
6722 if test "$tasn1" = "yes" ; then
6723   echo "CONFIG_TASN1=y" >> $config_host_mak
6724 fi
6725 if test "$auth_pam" = "yes" ; then
6726     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6727 fi
6728 if test "$have_ifaddrs_h" = "yes" ; then
6729     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6730 fi
6731 if test "$have_drm_h" = "yes" ; then
6732   echo "HAVE_DRM_H=y" >> $config_host_mak
6733 fi
6734 if test "$have_broken_size_max" = "yes" ; then
6735     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6736 fi
6737 if test "$have_openpty" = "yes" ; then
6738     echo "HAVE_OPENPTY=y" >> $config_host_mak
6739 fi
6740 if test "$have_sys_signal_h" = "yes" ; then
6741     echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
6742 fi
6743
6744 # Work around a system header bug with some kernel/XFS header
6745 # versions where they both try to define 'struct fsxattr':
6746 # xfs headers will not try to redefine structs from linux headers
6747 # if this macro is set.
6748 if test "$have_fsxattr" = "yes" ; then
6749     echo "HAVE_FSXATTR=y" >> $config_host_mak
6750 fi
6751 if test "$have_copy_file_range" = "yes" ; then
6752     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6753 fi
6754 if test "$vte" = "yes" ; then
6755   echo "CONFIG_VTE=y" >> $config_host_mak
6756   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6757   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6758 fi
6759 if test "$virglrenderer" = "yes" ; then
6760   echo "CONFIG_VIRGL=y" >> $config_host_mak
6761   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6762   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6763 fi
6764 if test "$xen" = "enabled" ; then
6765   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6766   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6767   echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak
6768   echo "XEN_LIBS=$xen_libs" >> $config_host_mak
6769 fi
6770 if test "$linux_aio" = "yes" ; then
6771   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6772 fi
6773 if test "$linux_io_uring" = "yes" ; then
6774   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
6775   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
6776   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
6777 fi
6778 if test "$attr" = "yes" ; then
6779   echo "CONFIG_ATTR=y" >> $config_host_mak
6780   echo "LIBATTR_LIBS=$libattr_libs" >> $config_host_mak
6781 fi
6782 if test "$libattr" = "yes" ; then
6783   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6784 fi
6785 if test "$virtfs" = "yes" ; then
6786   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6787 fi
6788 if test "$vhost_scsi" = "yes" ; then
6789   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6790 fi
6791 if test "$vhost_net" = "yes" ; then
6792   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
6793 fi
6794 if test "$vhost_net_user" = "yes" ; then
6795   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
6796 fi
6797 if test "$vhost_net_vdpa" = "yes" ; then
6798   echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
6799 fi
6800 if test "$vhost_crypto" = "yes" ; then
6801   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6802 fi
6803 if test "$vhost_vsock" = "yes" ; then
6804   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6805   if test "$vhost_user" = "yes" ; then
6806     echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
6807   fi
6808 fi
6809 if test "$vhost_kernel" = "yes" ; then
6810   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
6811 fi
6812 if test "$vhost_user" = "yes" ; then
6813   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6814 fi
6815 if test "$vhost_vdpa" = "yes" ; then
6816   echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
6817 fi
6818 if test "$vhost_user_fs" = "yes" ; then
6819   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
6820 fi
6821 if test "$blobs" = "yes" ; then
6822   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6823 fi
6824 if test "$iovec" = "yes" ; then
6825   echo "CONFIG_IOVEC=y" >> $config_host_mak
6826 fi
6827 if test "$preadv" = "yes" ; then
6828   echo "CONFIG_PREADV=y" >> $config_host_mak
6829 fi
6830 if test "$fdt" != "no" ; then
6831   echo "CONFIG_FDT=y" >> $config_host_mak
6832   echo "FDT_CFLAGS=$fdt_cflags" >> $config_host_mak
6833   echo "FDT_LIBS=$fdt_ldflags $fdt_libs" >> $config_host_mak
6834 fi
6835 if test "$membarrier" = "yes" ; then
6836   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
6837 fi
6838 if test "$signalfd" = "yes" ; then
6839   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6840 fi
6841 if test "$optreset" = "yes" ; then
6842   echo "HAVE_OPTRESET=y" >> $config_host_mak
6843 fi
6844 if test "$tcg" = "enabled"; then
6845   if test "$tcg_interpreter" = "yes" ; then
6846     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6847   fi
6848 fi
6849 if test "$fdatasync" = "yes" ; then
6850   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6851 fi
6852 if test "$madvise" = "yes" ; then
6853   echo "CONFIG_MADVISE=y" >> $config_host_mak
6854 fi
6855 if test "$posix_madvise" = "yes" ; then
6856   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6857 fi
6858 if test "$posix_memalign" = "yes" ; then
6859   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6860 fi
6861 if test "$spice" = "yes" ; then
6862   echo "CONFIG_SPICE=y" >> $config_host_mak
6863   echo "SPICE_CFLAGS=$spice_cflags" >> $config_host_mak
6864   echo "SPICE_LIBS=$spice_libs" >> $config_host_mak
6865 fi
6866
6867 if test "$smartcard" = "yes" ; then
6868   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6869   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6870   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6871 fi
6872
6873 if test "$libusb" = "yes" ; then
6874   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6875   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6876   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6877 fi
6878
6879 if test "$usb_redir" = "yes" ; then
6880   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6881   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6882   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6883 fi
6884
6885 if test "$opengl" = "yes" ; then
6886   echo "CONFIG_OPENGL=y" >> $config_host_mak
6887   echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak
6888   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6889   if test "$opengl_dmabuf" = "yes" ; then
6890     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6891   fi
6892 fi
6893
6894 if test "$gbm" = "yes" ; then
6895     echo "CONFIG_GBM=y" >> $config_host_mak
6896     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
6897     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
6898 fi
6899
6900
6901 if test "$avx2_opt" = "yes" ; then
6902   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6903 fi
6904
6905 if test "$avx512f_opt" = "yes" ; then
6906   echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
6907 fi
6908
6909 if test "$lzo" = "yes" ; then
6910   echo "CONFIG_LZO=y" >> $config_host_mak
6911   echo "LZO_LIBS=$lzo_libs" >> $config_host_mak
6912 fi
6913
6914 if test "$snappy" = "yes" ; then
6915   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6916   echo "SNAPPY_LIBS=$snappy_libs" >> $config_host_mak
6917 fi
6918
6919 if test "$bzip2" = "yes" ; then
6920   echo "CONFIG_BZIP2=y" >> $config_host_mak
6921   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6922 fi
6923
6924 if test "$lzfse" = "yes" ; then
6925   echo "CONFIG_LZFSE=y" >> $config_host_mak
6926   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
6927 fi
6928
6929 if test "$zstd" = "yes" ; then
6930   echo "CONFIG_ZSTD=y" >> $config_host_mak
6931   echo "ZSTD_CFLAGS=$zstd_cflags" >> $config_host_mak
6932   echo "ZSTD_LIBS=$zstd_libs" >> $config_host_mak
6933 fi
6934
6935 if test "$libiscsi" = "yes" ; then
6936   echo "CONFIG_LIBISCSI=y" >> $config_host_mak
6937   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6938   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6939 fi
6940
6941 if test "$libnfs" = "yes" ; then
6942   echo "CONFIG_LIBNFS=y" >> $config_host_mak
6943   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6944 fi
6945
6946 if test "$seccomp" = "yes"; then
6947   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6948   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6949   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6950 fi
6951
6952 # XXX: suppress that
6953 if [ "$bsd" = "yes" ] ; then
6954   echo "CONFIG_BSD=y" >> $config_host_mak
6955 fi
6956
6957 if test "$localtime_r" = "yes" ; then
6958   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
6959 fi
6960 if test "$qom_cast_debug" = "yes" ; then
6961   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6962 fi
6963 if test "$rbd" = "yes" ; then
6964   echo "CONFIG_RBD=y" >> $config_host_mak
6965   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6966 fi
6967
6968 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6969 if test "$coroutine_pool" = "yes" ; then
6970   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6971 else
6972   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6973 fi
6974
6975 if test "$debug_stack_usage" = "yes" ; then
6976   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6977 fi
6978
6979 if test "$crypto_afalg" = "yes" ; then
6980   echo "CONFIG_AF_ALG=y" >> $config_host_mak
6981 fi
6982
6983 if test "$open_by_handle_at" = "yes" ; then
6984   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6985 fi
6986
6987 if test "$linux_magic_h" = "yes" ; then
6988   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6989 fi
6990
6991 if test "$valgrind_h" = "yes" ; then
6992   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6993 fi
6994
6995 if test "$have_asan_iface_fiber" = "yes" ; then
6996     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6997 fi
6998
6999 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
7000     echo "CONFIG_TSAN=y" >> $config_host_mak
7001 fi
7002
7003 if test "$has_environ" = "yes" ; then
7004   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7005 fi
7006
7007 if test "$cpuid_h" = "yes" ; then
7008   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7009 fi
7010
7011 if test "$int128" = "yes" ; then
7012   echo "CONFIG_INT128=y" >> $config_host_mak
7013 fi
7014
7015 if test "$atomic128" = "yes" ; then
7016   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7017 fi
7018
7019 if test "$cmpxchg128" = "yes" ; then
7020   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7021 fi
7022
7023 if test "$atomic64" = "yes" ; then
7024   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7025 fi
7026
7027 if test "$attralias" = "yes" ; then
7028   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7029 fi
7030
7031 if test "$getauxval" = "yes" ; then
7032   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7033 fi
7034
7035 if test "$glusterfs" = "yes" ; then
7036   echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
7037   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7038   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7039 fi
7040
7041 if test "$glusterfs_xlator_opt" = "yes" ; then
7042   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7043 fi
7044
7045 if test "$glusterfs_discard" = "yes" ; then
7046   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7047 fi
7048
7049 if test "$glusterfs_fallocate" = "yes" ; then
7050   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7051 fi
7052
7053 if test "$glusterfs_zerofill" = "yes" ; then
7054   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7055 fi
7056
7057 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7058   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7059 fi
7060
7061 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7062   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7063 fi
7064
7065 if test "$libssh" = "yes" ; then
7066   echo "CONFIG_LIBSSH=y" >> $config_host_mak
7067   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7068   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7069 fi
7070
7071 if test "$live_block_migration" = "yes" ; then
7072   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7073 fi
7074
7075 if test "$tpm" = "yes"; then
7076   echo 'CONFIG_TPM=y' >> $config_host_mak
7077 fi
7078
7079 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7080 if have_backend "nop"; then
7081   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7082 fi
7083 if have_backend "simple"; then
7084   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7085   # Set the appropriate trace file.
7086   trace_file="\"$trace_file-\" FMT_pid"
7087 fi
7088 if have_backend "log"; then
7089   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7090 fi
7091 if have_backend "ust"; then
7092   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7093   echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
7094   echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
7095 fi
7096 if have_backend "dtrace"; then
7097   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7098   if test "$trace_backend_stap" = "yes" ; then
7099     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7100   fi
7101 fi
7102 if have_backend "ftrace"; then
7103   if test "$linux" = "yes" ; then
7104     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7105   else
7106     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7107   fi
7108 fi
7109 if have_backend "syslog"; then
7110   if test "$posix_syslog" = "yes" ; then
7111     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7112   else
7113     feature_not_found "syslog(trace backend)" "syslog not available"
7114   fi
7115 fi
7116 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7117
7118 if test "$rdma" = "yes" ; then
7119   echo "CONFIG_RDMA=y" >> $config_host_mak
7120   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7121 fi
7122
7123 if test "$pvrdma" = "yes" ; then
7124   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7125 fi
7126
7127 if test "$have_rtnetlink" = "yes" ; then
7128   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7129 fi
7130
7131 if test "$libxml2" = "yes" ; then
7132   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7133   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7134   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7135 fi
7136
7137 if test "$replication" = "yes" ; then
7138   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7139 fi
7140
7141 if test "$have_af_vsock" = "yes" ; then
7142   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7143 fi
7144
7145 if test "$have_sysmacros" = "yes" ; then
7146   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7147 fi
7148
7149 if test "$have_static_assert" = "yes" ; then
7150   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7151 fi
7152
7153 if test "$have_utmpx" = "yes" ; then
7154   echo "HAVE_UTMPX=y" >> $config_host_mak
7155 fi
7156 if test "$have_getrandom" = "yes" ; then
7157   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7158 fi
7159 if test "$ivshmem" = "yes" ; then
7160   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7161 fi
7162 if test "$capstone" != "no" ; then
7163   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7164   echo "CAPSTONE_CFLAGS=$capstone_cflags" >> $config_host_mak
7165   echo "CAPSTONE_LIBS=$capstone_libs" >> $config_host_mak
7166 fi
7167 if test "$debug_mutex" = "yes" ; then
7168   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7169 fi
7170
7171 # Hold two types of flag:
7172 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7173 #                                     a thread we have a handle to
7174 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7175 #                                     platform
7176 if test "$pthread_setname_np_w_tid" = "yes" ; then
7177   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7178   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7179 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7180   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7181   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7182 fi
7183
7184 if test "$libpmem" = "yes" ; then
7185   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7186   echo "LIBPMEM_LIBS=$libpmem_libs" >> $config_host_mak
7187   echo "LIBPMEM_CFLAGS=$libpmem_cflags" >> $config_host_mak
7188 fi
7189
7190 if test "$libdaxctl" = "yes" ; then
7191   echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
7192   echo "LIBDAXCTL_LIBS=$libdaxctl_libs" >> $config_host_mak
7193 fi
7194
7195 if test "$bochs" = "yes" ; then
7196   echo "CONFIG_BOCHS=y" >> $config_host_mak
7197 fi
7198 if test "$cloop" = "yes" ; then
7199   echo "CONFIG_CLOOP=y" >> $config_host_mak
7200 fi
7201 if test "$dmg" = "yes" ; then
7202   echo "CONFIG_DMG=y" >> $config_host_mak
7203 fi
7204 if test "$qcow1" = "yes" ; then
7205   echo "CONFIG_QCOW1=y" >> $config_host_mak
7206 fi
7207 if test "$vdi" = "yes" ; then
7208   echo "CONFIG_VDI=y" >> $config_host_mak
7209 fi
7210 if test "$vvfat" = "yes" ; then
7211   echo "CONFIG_VVFAT=y" >> $config_host_mak
7212 fi
7213 if test "$qed" = "yes" ; then
7214   echo "CONFIG_QED=y" >> $config_host_mak
7215 fi
7216 if test "$parallels" = "yes" ; then
7217   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7218 fi
7219 if test "$sheepdog" = "yes" ; then
7220   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7221 fi
7222 if test "$pty_h" = "yes" ; then
7223   echo "HAVE_PTY_H=y" >> $config_host_mak
7224 fi
7225 if test "$have_mlockall" = "yes" ; then
7226   echo "HAVE_MLOCKALL=y" >> $config_host_mak
7227 fi
7228 if test "$fuzzing" = "yes" ; then
7229   # If LIB_FUZZING_ENGINE is set, assume we are running on OSS-Fuzz, and the
7230   # needed CFLAGS have already been provided
7231   if test -z "${LIB_FUZZING_ENGINE+xxx}" ; then
7232     QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
7233     FUZZ_EXE_LDFLAGS="-fsanitize=fuzzer"
7234   else
7235     FUZZ_EXE_LDFLAGS="$LIB_FUZZING_ENGINE"
7236   fi
7237 fi
7238
7239 if test "$plugins" = "yes" ; then
7240     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7241     # Copy the export object list to the build dir
7242     if test "$ld_dynamic_list" = "yes" ; then
7243         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7244         ld_symbols=qemu-plugins-ld.symbols
7245         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7246     elif test "$ld_exported_symbols_list" = "yes" ; then
7247         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7248         ld64_symbols=qemu-plugins-ld64.symbols
7249         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7250         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7251             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7252     else
7253         error_exit \
7254             "If \$plugins=yes, either \$ld_dynamic_list or " \
7255             "\$ld_exported_symbols_list should have been set to 'yes'."
7256     fi
7257 fi
7258
7259 if test -n "$gdb_bin" ; then
7260     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7261 fi
7262
7263 if test "$secret_keyring" = "yes" ; then
7264   echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7265 fi
7266
7267 if test "$tcg_interpreter" = "yes"; then
7268   QEMU_INCLUDES="-iquote ${source_path}/tcg/tci $QEMU_INCLUDES"
7269 elif test "$ARCH" = "sparc64" ; then
7270   QEMU_INCLUDES="-iquote ${source_path}/tcg/sparc $QEMU_INCLUDES"
7271 elif test "$ARCH" = "s390x" ; then
7272   QEMU_INCLUDES="-iquote ${source_path}/tcg/s390 $QEMU_INCLUDES"
7273 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7274   QEMU_INCLUDES="-iquote ${source_path}/tcg/i386 $QEMU_INCLUDES"
7275 elif test "$ARCH" = "ppc64" ; then
7276   QEMU_INCLUDES="-iquote ${source_path}/tcg/ppc $QEMU_INCLUDES"
7277 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7278   QEMU_INCLUDES="-I${source_path}/tcg/riscv $QEMU_INCLUDES"
7279 else
7280   QEMU_INCLUDES="-iquote ${source_path}/tcg/${ARCH} $QEMU_INCLUDES"
7281 fi
7282
7283 echo "ROMS=$roms" >> $config_host_mak
7284 echo "MAKE=$make" >> $config_host_mak
7285 echo "PYTHON=$python" >> $config_host_mak
7286 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7287 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7288 echo "MESON=$meson" >> $config_host_mak
7289 echo "CC=$cc" >> $config_host_mak
7290 if $iasl -h > /dev/null 2>&1; then
7291   echo "CONFIG_IASL=$iasl" >> $config_host_mak
7292 fi
7293 echo "CXX=$cxx" >> $config_host_mak
7294 echo "OBJCC=$objcc" >> $config_host_mak
7295 echo "AR=$ar" >> $config_host_mak
7296 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7297 echo "AS=$as" >> $config_host_mak
7298 echo "CCAS=$ccas" >> $config_host_mak
7299 echo "CPP=$cpp" >> $config_host_mak
7300 echo "OBJCOPY=$objcopy" >> $config_host_mak
7301 echo "LD=$ld" >> $config_host_mak
7302 echo "RANLIB=$ranlib" >> $config_host_mak
7303 echo "NM=$nm" >> $config_host_mak
7304 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7305 echo "WINDRES=$windres" >> $config_host_mak
7306 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7307 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7308 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7309 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7310 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7311 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
7312 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
7313 if test "$sparse" = "yes" ; then
7314   echo "SPARSE_CFLAGS = -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7315 fi
7316 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7317 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7318 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7319 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7320 echo "EXESUF=$EXESUF" >> $config_host_mak
7321 echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak
7322 echo "LIBS_QGA=$libs_qga" >> $config_host_mak
7323 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7324 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7325 if test "$gcov" = "yes" ; then
7326   echo "CONFIG_GCOV=y" >> $config_host_mak
7327 fi
7328
7329 if test "$fuzzing" != "no"; then
7330     echo "CONFIG_FUZZ=y" >> $config_host_mak
7331 fi
7332 echo "FUZZ_EXE_LDFLAGS=$FUZZ_EXE_LDFLAGS" >> $config_host_mak
7333
7334 if test "$edk2_blobs" = "yes" ; then
7335   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7336 fi
7337
7338 if test "$rng_none" = "yes"; then
7339   echo "CONFIG_RNG_NONE=y" >> $config_host_mak
7340 fi
7341
7342 # use included Linux headers
7343 if test "$linux" = "yes" ; then
7344   mkdir -p linux-headers
7345   case "$cpu" in
7346   i386|x86_64|x32)
7347     linux_arch=x86
7348     ;;
7349   ppc|ppc64|ppc64le)
7350     linux_arch=powerpc
7351     ;;
7352   s390x)
7353     linux_arch=s390
7354     ;;
7355   aarch64)
7356     linux_arch=arm64
7357     ;;
7358   mips64)
7359     linux_arch=mips
7360     ;;
7361   *)
7362     # For most CPUs the kernel architecture name and QEMU CPU name match.
7363     linux_arch="$cpu"
7364     ;;
7365   esac
7366     # For non-KVM architectures we will not have asm headers
7367     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7368       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7369     fi
7370 fi
7371
7372 for target in $target_list; do
7373 target_dir="$target"
7374 config_target_mak=$target_dir/config-target.mak
7375 target_name=$(echo $target | cut -d '-' -f 1)
7376 target_aligned_only="no"
7377 case "$target_name" in
7378   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7379   target_aligned_only="yes"
7380   ;;
7381 esac
7382 target_bigendian="no"
7383 case "$target_name" in
7384   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7385   target_bigendian="yes"
7386   ;;
7387 esac
7388 target_softmmu="no"
7389 target_user_only="no"
7390 target_linux_user="no"
7391 target_bsd_user="no"
7392 case "$target" in
7393   ${target_name}-softmmu)
7394     target_softmmu="yes"
7395     ;;
7396   ${target_name}-linux-user)
7397     target_user_only="yes"
7398     target_linux_user="yes"
7399     ;;
7400   ${target_name}-bsd-user)
7401     target_user_only="yes"
7402     target_bsd_user="yes"
7403     ;;
7404   *)
7405     error_exit "Target '$target' not recognised"
7406     exit 1
7407     ;;
7408 esac
7409
7410 mkdir -p $target_dir
7411 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7412
7413 bflt="no"
7414 mttcg="no"
7415 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7416 gdb_xml_files=""
7417
7418 TARGET_ARCH="$target_name"
7419 TARGET_BASE_ARCH=""
7420 TARGET_ABI_DIR=""
7421 TARGET_SYSTBL_ABI=""
7422 TARGET_SYSTBL=""
7423
7424 case "$target_name" in
7425   i386)
7426     mttcg="yes"
7427     gdb_xml_files="i386-32bit.xml"
7428     TARGET_SYSTBL_ABI=i386
7429     TARGET_SYSTBL=syscall_32.tbl
7430   ;;
7431   x86_64)
7432     TARGET_BASE_ARCH=i386
7433     TARGET_SYSTBL_ABI=common,64
7434     TARGET_SYSTBL=syscall_64.tbl
7435     mttcg="yes"
7436     gdb_xml_files="i386-64bit.xml"
7437   ;;
7438   alpha)
7439     mttcg="yes"
7440     TARGET_SYSTBL_ABI=common
7441   ;;
7442   arm|armeb)
7443     TARGET_ARCH=arm
7444     TARGET_SYSTBL_ABI=common,oabi
7445     bflt="yes"
7446     mttcg="yes"
7447     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
7448   ;;
7449   aarch64|aarch64_be)
7450     TARGET_ARCH=aarch64
7451     TARGET_BASE_ARCH=arm
7452     bflt="yes"
7453     mttcg="yes"
7454     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"
7455   ;;
7456   avr)
7457     gdb_xml_files="avr-cpu.xml"
7458     target_compiler=$cross_cc_avr
7459   ;;
7460   cris)
7461   ;;
7462   hppa)
7463     mttcg="yes"
7464     TARGET_SYSTBL_ABI=common,32
7465   ;;
7466   lm32)
7467   ;;
7468   m68k)
7469     bflt="yes"
7470     gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
7471     TARGET_SYSTBL_ABI=common
7472   ;;
7473   microblaze|microblazeel)
7474     TARGET_ARCH=microblaze
7475     TARGET_SYSTBL_ABI=common
7476     mttcg="yes"
7477     bflt="yes"
7478   ;;
7479   mips|mipsel)
7480     mttcg="yes"
7481     TARGET_ARCH=mips
7482     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7483     TARGET_SYSTBL_ABI=o32
7484     TARGET_SYSTBL=syscall_o32.tbl
7485   ;;
7486   mipsn32|mipsn32el)
7487     mttcg="yes"
7488     TARGET_ARCH=mips64
7489     TARGET_BASE_ARCH=mips
7490     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7491     echo "TARGET_ABI32=y" >> $config_target_mak
7492     TARGET_SYSTBL_ABI=n32
7493     TARGET_SYSTBL=syscall_n32.tbl
7494   ;;
7495   mips64|mips64el)
7496     mttcg="no"
7497     TARGET_ARCH=mips64
7498     TARGET_BASE_ARCH=mips
7499     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7500     TARGET_SYSTBL_ABI=n64
7501     TARGET_SYSTBL=syscall_n64.tbl
7502   ;;
7503   moxie)
7504   ;;
7505   nios2)
7506   ;;
7507   or1k)
7508     TARGET_ARCH=openrisc
7509     TARGET_BASE_ARCH=openrisc
7510   ;;
7511   ppc)
7512     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7513     TARGET_SYSTBL_ABI=common,nospu,32
7514   ;;
7515   ppc64)
7516     TARGET_BASE_ARCH=ppc
7517     TARGET_ABI_DIR=ppc
7518     TARGET_SYSTBL_ABI=common,nospu,64
7519     mttcg=yes
7520     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7521   ;;
7522   ppc64le)
7523     TARGET_ARCH=ppc64
7524     TARGET_BASE_ARCH=ppc
7525     TARGET_ABI_DIR=ppc
7526     TARGET_SYSTBL_ABI=common,nospu,64
7527     mttcg=yes
7528     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7529   ;;
7530   ppc64abi32)
7531     TARGET_ARCH=ppc64
7532     TARGET_BASE_ARCH=ppc
7533     TARGET_ABI_DIR=ppc
7534     TARGET_SYSTBL_ABI=common,nospu,32
7535     echo "TARGET_ABI32=y" >> $config_target_mak
7536     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7537   ;;
7538   riscv32)
7539     TARGET_BASE_ARCH=riscv
7540     TARGET_ABI_DIR=riscv
7541     mttcg=yes
7542     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
7543   ;;
7544   riscv64)
7545     TARGET_BASE_ARCH=riscv
7546     TARGET_ABI_DIR=riscv
7547     mttcg=yes
7548     gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
7549   ;;
7550   rx)
7551     TARGET_ARCH=rx
7552     bflt="yes"
7553     target_compiler=$cross_cc_rx
7554     gdb_xml_files="rx-core.xml"
7555   ;;
7556   sh4|sh4eb)
7557     TARGET_ARCH=sh4
7558     TARGET_SYSTBL_ABI=common
7559     bflt="yes"
7560   ;;
7561   sparc)
7562     TARGET_SYSTBL_ABI=common,32
7563   ;;
7564   sparc64)
7565     TARGET_BASE_ARCH=sparc
7566     TARGET_SYSTBL_ABI=common,64
7567   ;;
7568   sparc32plus)
7569     TARGET_ARCH=sparc64
7570     TARGET_BASE_ARCH=sparc
7571     TARGET_ABI_DIR=sparc
7572     TARGET_SYSTBL_ABI=common,32
7573     echo "TARGET_ABI32=y" >> $config_target_mak
7574   ;;
7575   s390x)
7576     TARGET_SYSTBL_ABI=common,64
7577     mttcg=yes
7578     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7579   ;;
7580   tilegx)
7581   ;;
7582   tricore)
7583   ;;
7584   unicore32)
7585   ;;
7586   xtensa|xtensaeb)
7587     TARGET_ARCH=xtensa
7588     TARGET_SYSTBL_ABI=common
7589     bflt="yes"
7590     mttcg="yes"
7591   ;;
7592   *)
7593     error_exit "Unsupported target CPU"
7594   ;;
7595 esac
7596 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7597 if [ "$TARGET_BASE_ARCH" = "" ]; then
7598   TARGET_BASE_ARCH=$TARGET_ARCH
7599 fi
7600 if [ "$TARGET_SYSTBL_ABI" != "" ] && [ "$TARGET_SYSTBL" = "" ]; then
7601   TARGET_SYSTBL=syscall.tbl
7602 fi
7603
7604 upper() {
7605     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7606 }
7607
7608 target_arch_name="$(upper $TARGET_ARCH)"
7609 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7610 echo "TARGET_NAME=$target_name" >> $config_target_mak
7611 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7612 if [ "$TARGET_ABI_DIR" = "" ]; then
7613   TARGET_ABI_DIR=$TARGET_ARCH
7614 fi
7615 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7616 if [ "$HOST_VARIANT_DIR" != "" ]; then
7617     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7618 fi
7619 if [ "$TARGET_SYSTBL_ABI" != "" ]; then
7620     echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
7621     echo "TARGET_SYSTBL=$TARGET_SYSTBL" >> $config_target_mak
7622 fi
7623
7624 if test "$target_aligned_only" = "yes" ; then
7625   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
7626 fi
7627 if test "$target_bigendian" = "yes" ; then
7628   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7629 fi
7630 if test "$target_softmmu" = "yes" ; then
7631   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7632   if test "$mttcg" = "yes" ; then
7633     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7634   fi
7635 fi
7636 if test "$target_user_only" = "yes" ; then
7637   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7638   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7639   symlink "../qemu-$target_name" "$target_dir/qemu-$target_name"
7640 else
7641   symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name"
7642 fi
7643 if test "$target_linux_user" = "yes" ; then
7644   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7645 fi
7646 list=""
7647 if test ! -z "$gdb_xml_files" ; then
7648   for x in $gdb_xml_files; do
7649     list="$list gdb-xml/$x"
7650   done
7651   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7652 fi
7653
7654 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7655   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7656 fi
7657 if test "$target_bsd_user" = "yes" ; then
7658   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7659 fi
7660
7661 done # for target in $targets
7662
7663 if [ "$fdt" = "git" ]; then
7664   subdirs="$subdirs dtc"
7665 fi
7666 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7667   subdirs="$subdirs capstone"
7668 fi
7669 echo "SUBDIRS=$subdirs" >> $config_host_mak
7670 if test -n "$LIBCAPSTONE"; then
7671   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7672 fi
7673
7674 if test "$numa" = "yes"; then
7675   echo "CONFIG_NUMA=y" >> $config_host_mak
7676   echo "NUMA_LIBS=$numa_libs" >> $config_host_mak
7677 fi
7678
7679 if test "$ccache_cpp2" = "yes"; then
7680   echo "export CCACHE_CPP2=y" >> $config_host_mak
7681 fi
7682
7683 if test "$safe_stack" = "yes"; then
7684   echo "CONFIG_SAFESTACK=y" >> $config_host_mak
7685 fi
7686
7687 # If we're using a separate build tree, set it up now.
7688 # DIRS are directories which we simply mkdir in the build tree;
7689 # LINKS are things to symlink back into the source tree
7690 # (these can be both files and directories).
7691 # Caution: do not add files or directories here using wildcards. This
7692 # will result in problems later if a new file matching the wildcard is
7693 # added to the source tree -- nothing will cause configure to be rerun
7694 # so the build tree will be missing the link back to the new file, and
7695 # tests might fail. Prefer to keep the relevant files in their own
7696 # directory and symlink the directory instead.
7697 # UNLINK is used to remove symlinks from older development versions
7698 # that might get into the way when doing "git update" without doing
7699 # a "make distclean" in between.
7700 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
7701 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
7702 DIRS="$DIRS docs docs/interop fsdev scsi"
7703 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
7704 DIRS="$DIRS roms/seabios"
7705 DIRS="$DIRS contrib/plugins/"
7706 LINKS="Makefile"
7707 LINKS="$LINKS tests/tcg/lm32/Makefile"
7708 LINKS="$LINKS tests/tcg/Makefile.target"
7709 LINKS="$LINKS pc-bios/optionrom/Makefile"
7710 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
7711 LINKS="$LINKS roms/seabios/Makefile"
7712 LINKS="$LINKS pc-bios/qemu-icon.bmp"
7713 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
7714 LINKS="$LINKS tests/acceptance tests/data"
7715 LINKS="$LINKS tests/qemu-iotests/check"
7716 LINKS="$LINKS python"
7717 LINKS="$LINKS contrib/plugins/Makefile "
7718 UNLINK="pc-bios/keymaps"
7719 for bios_file in \
7720     $source_path/pc-bios/*.bin \
7721     $source_path/pc-bios/*.elf \
7722     $source_path/pc-bios/*.lid \
7723     $source_path/pc-bios/*.rom \
7724     $source_path/pc-bios/*.dtb \
7725     $source_path/pc-bios/*.img \
7726     $source_path/pc-bios/openbios-* \
7727     $source_path/pc-bios/u-boot.* \
7728     $source_path/pc-bios/edk2-*.fd.bz2 \
7729     $source_path/pc-bios/palcode-*
7730 do
7731     LINKS="$LINKS pc-bios/$(basename $bios_file)"
7732 done
7733 mkdir -p $DIRS
7734 for f in $LINKS ; do
7735     if [ -e "$source_path/$f" ]; then
7736         symlink "$source_path/$f" "$f"
7737     fi
7738 done
7739 for f in $UNLINK ; do
7740     if [ -L "$f" ]; then
7741         rm -f "$f"
7742     fi
7743 done
7744
7745 (for i in $cross_cc_vars; do
7746   export $i
7747 done
7748 export target_list source_path use_containers
7749 $source_path/tests/tcg/configure.sh)
7750
7751 # temporary config to build submodules
7752 for rom in seabios; do
7753     config_mak=roms/$rom/config.mak
7754     echo "# Automatically generated by configure - do not modify" > $config_mak
7755     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7756     echo "AS=$as" >> $config_mak
7757     echo "CCAS=$ccas" >> $config_mak
7758     echo "CC=$cc" >> $config_mak
7759     echo "BCC=bcc" >> $config_mak
7760     echo "CPP=$cpp" >> $config_mak
7761     echo "OBJCOPY=objcopy" >> $config_mak
7762     echo "IASL=$iasl" >> $config_mak
7763     echo "LD=$ld" >> $config_mak
7764     echo "RANLIB=$ranlib" >> $config_mak
7765 done
7766
7767 # set up qemu-iotests in this build directory
7768 iotests_common_env="tests/qemu-iotests/common.env"
7769
7770 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7771 echo >> "$iotests_common_env"
7772 echo "export PYTHON='$python'" >> "$iotests_common_env"
7773
7774 if test "$skip_meson" = no; then
7775 cross="config-meson.cross.new"
7776 meson_quote() {
7777     echo "['$(echo $* | sed "s/ /','/g")']"
7778 }
7779
7780 echo "# Automatically generated by configure - do not modify" > $cross
7781 echo "[properties]" >> $cross
7782 test -z "$cxx" && echo "link_language = 'c'" >> $cross
7783 echo "[binaries]" >> $cross
7784 echo "c = $(meson_quote $cc)" >> $cross
7785 test -n "$cxx" && echo "cpp = $(meson_quote $cxx)" >> $cross
7786 echo "ar = $(meson_quote $ar)" >> $cross
7787 echo "nm = $(meson_quote $nm)" >> $cross
7788 echo "pkgconfig = $(meson_quote $pkg_config_exe)" >> $cross
7789 echo "ranlib = $(meson_quote $ranlib)" >> $cross
7790 if has $sdl2_config; then
7791   echo "sdl2-config = $(meson_quote $sdl2_config)" >> $cross
7792 fi
7793 echo "strip = $(meson_quote $strip)" >> $cross
7794 echo "windres = $(meson_quote $windres)" >> $cross
7795 if test -n "$cross_prefix"; then
7796     cross_arg="--cross-file config-meson.cross"
7797     echo "[host_machine]" >> $cross
7798     if test "$mingw32" = "yes" ; then
7799         echo "system = 'windows'" >> $cross
7800     fi
7801     if test "$linux" = "yes" ; then
7802         echo "system = 'linux'" >> $cross
7803     fi
7804     case "$ARCH" in
7805         i386|x86_64)
7806             echo "cpu_family = 'x86'" >> $cross
7807             ;;
7808         ppc64le)
7809             echo "cpu_family = 'ppc64'" >> $cross
7810             ;;
7811         *)
7812             echo "cpu_family = '$ARCH'" >> $cross
7813             ;;
7814     esac
7815     echo "cpu = '$cpu'" >> $cross
7816     if test "$bigendian" = "yes" ; then
7817         echo "endian = 'big'" >> $cross
7818     else
7819         echo "endian = 'little'" >> $cross
7820     fi
7821 else
7822     cross_arg="--native-file config-meson.cross"
7823 fi
7824 mv $cross config-meson.cross
7825
7826 rm -rf meson-private meson-info meson-logs
7827 NINJA=${ninja:-$PWD/ninjatool} $meson setup \
7828         --prefix "$prefix" \
7829         --libdir "$libdir" \
7830         --libexecdir "$libexecdir" \
7831         --bindir "$bindir" \
7832         --includedir "$includedir" \
7833         --datadir "$datadir" \
7834         --mandir "$mandir" \
7835         --sysconfdir "$sysconfdir" \
7836         --localstatedir "$local_statedir" \
7837         -Ddocdir="$docdir" \
7838         -Dqemu_suffix="$qemu_suffix" \
7839         -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
7840         -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
7841         -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
7842         -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
7843         -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
7844         -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
7845         -Dmalloc=$malloc -Dmalloc_trim=$malloc_trim \
7846         -Dkvm=$kvm -Dhax=$hax -Dwhpx=$whpx -Dhvf=$hvf \
7847         -Dxen=$xen -Dxen_pci_passthrough=$xen_pci_passthrough -Dtcg=$tcg \
7848         -Dcocoa=$cocoa -Dmpath=$mpath -Dsdl=$sdl -Dsdl_image=$sdl_image \
7849         -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \
7850         -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f\
7851         $cross_arg \
7852         "$PWD" "$source_path"
7853
7854 if test "$?" -ne 0 ; then
7855     error_exit "meson setup failed"
7856 fi
7857 touch ninjatool.stamp
7858 fi
7859
7860 if test -n "${deprecated_features}"; then
7861     echo "Warning, deprecated features enabled."
7862     echo "Please see docs/system/deprecated.rst"
7863     echo "  features: ${deprecated_features}"
7864 fi
7865
7866 # Save the configure command line for later reuse.
7867 cat <<EOD >config.status
7868 #!/bin/sh
7869 # Generated by configure.
7870 # Run this file to recreate the current configuration.
7871 # Compiler output produced by configure, useful for debugging
7872 # configure, is in config.log if it exists.
7873 EOD
7874
7875 preserve_env() {
7876     envname=$1
7877
7878     eval envval=\$$envname
7879
7880     if test -n "$envval"
7881     then
7882         echo "$envname='$envval'" >> config.status
7883         echo "export $envname" >> config.status
7884     else
7885         echo "unset $envname" >> config.status
7886     fi
7887 }
7888
7889 # Preserve various env variables that influence what
7890 # features/build target configure will detect
7891 preserve_env AR
7892 preserve_env AS
7893 preserve_env CC
7894 preserve_env CPP
7895 preserve_env CXX
7896 preserve_env INSTALL
7897 preserve_env LD
7898 preserve_env LD_LIBRARY_PATH
7899 preserve_env LIBTOOL
7900 preserve_env MAKE
7901 preserve_env NM
7902 preserve_env OBJCOPY
7903 preserve_env PATH
7904 preserve_env PKG_CONFIG
7905 preserve_env PKG_CONFIG_LIBDIR
7906 preserve_env PKG_CONFIG_PATH
7907 preserve_env PYTHON
7908 preserve_env SDL2_CONFIG
7909 preserve_env SMBD
7910 preserve_env STRIP
7911 preserve_env WINDRES
7912
7913 printf "exec" >>config.status
7914 for i in "$0" "$@"; do
7915   test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
7916 done
7917 echo ' "$@"' >>config.status
7918 chmod +x config.status
7919
7920 rm -r "$TMPDIR1"