3 # qemu configure script (c) 2003 Fabrice Bellard
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
11 # Don't allow CCACHE, if present, to use cached results of compile tests!
12 export CCACHE_RECACHE=yes
14 # Temporary directory used for files created while
15 # configure runs. Since it is in the build directory
16 # we can safely blow away any previous version of it
17 # (and we need not jump through hoops to try to delete
18 # it when configure exits.)
23 echo "ERROR: failed to create temporary directory"
28 TMPC="${TMPDIR1}/${TMPB}.c"
29 TMPO="${TMPDIR1}/${TMPB}.o"
30 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
31 TMPE="${TMPDIR1}/${TMPB}.exe"
32 TMPMO="${TMPDIR1}/${TMPB}.mo"
33 TMPTXT="${TMPDIR1}/${TMPB}.txt"
37 # Print a helpful header at the top of config.log
38 echo "# QEMU configure log $(date)" >> config.log
39 printf "# Configured with:" >> config.log
40 printf " '%s'" "$0" "$@" >> config.log
42 echo "#" >> config.log
47 while test -n "$2"; do
60 # Run the compiler, capturing its output to the log. First argument
61 # is compiler binary to execute.
64 if test -n "$BASH_VERSION"; then eval '
67 lines: ${BASH_LINENO[*]}"
69 echo $compiler "$@" >> config.log
70 $compiler "$@" >> config.log 2>&1 || return $?
71 # Test passed. If this is an --enable-werror build, rerun
72 # the test with -Werror and bail out if it fails. This
73 # makes warning-generating-errors in configure test code
74 # obvious to developers.
75 if test "$werror" != "yes"; then
78 # Don't bother rerunning the compile if we were already using -Werror
84 echo $compiler -Werror "$@" >> config.log
85 $compiler -Werror "$@" >> config.log 2>&1 && return $?
86 error_exit "configure test passed without -Werror but failed with -Werror." \
87 "This is probably a bug in the configure script. The failing command" \
88 "will be at the bottom of config.log." \
89 "You can run configure with --disable-werror to bypass this check."
93 do_compiler "$cc" "$@"
97 do_compiler "$cxx" "$@"
101 # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
102 # options which some versions of GCC's C++ compiler complain about
103 # because they only make sense for C programs.
104 QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
106 for arg in $QEMU_CFLAGS; do
108 -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
109 -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
112 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }"-std=gnu++98"
115 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
123 do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
129 do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $QEMU_LDFLAGS $local_ldflags
132 # symbolically link $1 to $2. Portable version of "ln -sf".
135 mkdir -p "$(dirname "$2")"
139 # check whether a command is available to this shell (may be either an
140 # executable or a builtin)
142 type "$1" >/dev/null 2>&1
145 # search for an executable in PATH
151 # pathname has a dir component?
152 if [ "${local_command#*/}" != "$local_command" ]; then
153 if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
154 echo "$local_command"
158 if [ -z "$local_command" ]; then
163 for local_dir in $PATH; do
164 if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
165 echo "$local_dir/$local_command"
166 IFS="${local_ifs:-$(printf ' \t\n')}"
171 IFS="${local_ifs:-$(printf ' \t\n')}"
176 echo "$trace_backends" | grep "$1" >/dev/null
180 eval test -z '"${1#'"$2"'}"'
183 supported_hax_target() {
184 test "$hax" = "yes" || return 1
185 glob "$1" "*-softmmu" || return 1
186 case "${1%-softmmu}" in
194 supported_kvm_target() {
195 test "$kvm" = "yes" || return 1
196 glob "$1" "*-softmmu" || return 1
197 case "${1%-softmmu}:$cpu" in
198 arm:arm | aarch64:aarch64 | \
199 i386:i386 | i386:x86_64 | i386:x32 | \
200 x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
201 mips:mips | mipsel:mips | \
202 ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
210 supported_xen_target() {
211 test "$xen" = "yes" || return 1
212 glob "$1" "*-softmmu" || return 1
213 # Only i386 and x86_64 provide the xenpv machine.
214 case "${1%-softmmu}" in
222 supported_hvf_target() {
223 test "$hvf" = "yes" || return 1
224 glob "$1" "*-softmmu" || return 1
225 case "${1%-softmmu}" in
233 supported_whpx_target() {
234 test "$whpx" = "yes" || return 1
235 glob "$1" "*-softmmu" || return 1
236 case "${1%-softmmu}" in
249 if test "$linux" != "yes"; then
250 print_error "Target '$target' is only available on a Linux host"
255 if test "$bsd" != "yes"; then
256 print_error "Target '$target' is only available on a BSD host"
261 print_error "Invalid target name '$target'"
265 test "$tcg" = "yes" && return 0
266 supported_kvm_target "$1" && return 0
267 supported_xen_target "$1" && return 0
268 supported_hax_target "$1" && return 0
269 supported_hvf_target "$1" && return 0
270 supported_whpx_target "$1" && return 0
271 print_error "TCG disabled, but hardware accelerator not available for '$target'"
277 $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
280 # make source path absolute
281 source_path=$(cd "$(dirname -- "$0")"; pwd)
283 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
285 error_exit "main directory cannot contain spaces nor colons"
291 interp_prefix="/usr/gnemul/qemu-%M"
295 block_drv_rw_whitelist=""
296 block_drv_ro_whitelist=""
306 gdb_bin=$(command -v "gdb")
308 if test -e "$source_path/.git"
311 git_submodules="ui/keycodemapdb"
312 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
313 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
318 if ! test -f "$source_path/ui/keycodemapdb/README"
321 echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
323 echo "This is not a GIT checkout but module content appears to"
324 echo "be missing. Do not use 'git archive' or GitHub download links"
325 echo "to acquire QEMU source archives. Non-GIT builds are only"
326 echo "supported with source archives linked from:"
328 echo " https://www.qemu.org/download/#source"
330 echo "Developers working with GIT can use scripts/archive-source.sh"
331 echo "if they need to create valid source archives."
338 # Don't accept a target_list environment variable.
340 unset target_list_exclude
342 # Default value for a variable defining feature "foo".
343 # * foo="no" feature will only be used if --enable-foo arg is given
344 # * foo="" feature will be searched for, and if found, will be used
345 # unless --disable-foo is given
346 # * foo="yes" this value will only be set by --enable-foo flag.
347 # feature will searched for,
348 # if not found, configure exits with error
350 # Always add --enable-foo and --disable-foo command line args.
351 # Distributions want to ensure that several features are compiled in, and it
352 # is impossible without a --enable-foo that exits if a feature is not found.
373 xen_pci_passthrough=""
407 LDFLAGS_SHARED="-shared"
411 mandir="\${prefix}/share/man"
412 datadir="\${prefix}/share"
413 firmwarepath="\${prefix}/share/qemu-firmware"
414 qemu_docdir="\${prefix}/share/doc/qemu"
415 bindir="\${prefix}/bin"
416 libdir="\${prefix}/lib"
417 libexecdir="\${prefix}/libexec"
418 includedir="\${prefix}/include"
419 sysconfdir="\${prefix}/etc"
420 local_statedir="\${prefix}/var"
456 guest_agent_with_vss="no"
457 guest_agent_ntddscsi="no"
466 debug_stack_usage="no"
470 glusterfs_xlator_opt="no"
471 glusterfs_discard="no"
472 glusterfs_fallocate="no"
473 glusterfs_zerofill="no"
474 glusterfs_ftruncate_has_stat="no"
475 glusterfs_iocb_has_stat="no"
478 tls_priority="NORMAL"
485 qemu_private_xts="yes"
491 live_block_migration="yes"
509 default_devices="yes"
518 # parse CC options first
520 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
522 --cross-prefix=*) cross_prefix="$optarg"
526 --cxx=*) CXX="$optarg"
528 --cpu=*) cpu="$optarg"
530 --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
531 QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
533 --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
535 --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
536 EXTRA_LDFLAGS="$optarg"
538 --enable-debug-info) debug_info="yes"
540 --disable-debug-info) debug_info="no"
542 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
544 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
545 eval "cross_cc_cflags_${cc_arch}=\$optarg"
546 cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
548 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
549 cc_archs="$cc_archs $cc_arch"
550 eval "cross_cc_${cc_arch}=\$optarg"
551 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
556 # Using uname is really, really broken. Once we have the right set of checks
557 # we can eliminate its usage altogether.
559 # Preferred compiler:
561 # ${cross_prefix}gcc (if cross-prefix specified)
563 if test -z "${CC}${cross_prefix}"; then
566 cc="${CC-${cross_prefix}gcc}"
569 if test -z "${CXX}${cross_prefix}"; then
572 cxx="${CXX-${cross_prefix}g++}"
575 ar="${AR-${cross_prefix}ar}"
576 as="${AS-${cross_prefix}as}"
579 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
580 ld="${LD-${cross_prefix}ld}"
581 ranlib="${RANLIB-${cross_prefix}ranlib}"
582 nm="${NM-${cross_prefix}nm}"
583 strip="${STRIP-${cross_prefix}strip}"
584 windres="${WINDRES-${cross_prefix}windres}"
585 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
587 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
589 pkg_config=query_pkg_config
590 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
592 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
593 ARFLAGS="${ARFLAGS-rv}"
595 # default flags for all hosts
596 # We use -fwrapv to tell the compiler that we require a C dialect where
597 # left shift of signed integers is well defined and has the expected
598 # 2s-complement style results. (Both clang and gcc agree that it
599 # provides these semantics.)
600 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
601 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
602 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
603 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
604 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
605 QEMU_INCLUDES="$QEMU_INCLUDES -iquote \$(SRC_PATH)/disas/libvixl"
606 if test "$debug_info" = "yes"; then
610 # running configure in the source tree?
611 # we know that's the case if configure is there.
612 if test -f "./configure"; then
613 pwd_is_source_path="y"
615 pwd_is_source_path="n"
621 #error $1 not defined
623 int main(void) { return 0; }
631 int main(void) { return 0; }
638 int main(void) { return 0; }
642 write_c_fuzzer_skeleton() {
645 #include <sys/types.h>
646 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
647 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
651 if check_define __linux__ ; then
653 elif check_define _WIN32 ; then
655 elif check_define __OpenBSD__ ; then
657 elif check_define __sun__ ; then
659 elif check_define __HAIKU__ ; then
661 elif check_define __FreeBSD__ ; then
663 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
664 targetos='GNU/kFreeBSD'
665 elif check_define __DragonFly__ ; then
667 elif check_define __NetBSD__; then
669 elif check_define __APPLE__; then
672 # This is a fatal error, but don't report it yet, because we
673 # might be going to just print the --help text, or it might
674 # be the result of a missing compiler.
679 # Some host OSes need non-standard checks for which CPU to use.
680 # Note that these checks are broken for cross-compilation: if you're
681 # cross-compiling to one of these OSes then you'll need to specify
682 # the correct CPU with the --cpu option.
685 # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
686 # run 64-bit userspace code.
687 # If the user didn't specify a CPU explicitly and the kernel says this is
688 # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
689 if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
694 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
695 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
700 if test ! -z "$cpu" ; then
701 # command line argument
703 elif check_define __i386__ ; then
705 elif check_define __x86_64__ ; then
706 if check_define __ILP32__ ; then
711 elif check_define __sparc__ ; then
712 if check_define __arch64__ ; then
717 elif check_define _ARCH_PPC ; then
718 if check_define _ARCH_PPC64 ; then
719 if check_define _LITTLE_ENDIAN ; then
727 elif check_define __mips__ ; then
729 elif check_define __s390__ ; then
730 if check_define __s390x__ ; then
735 elif check_define __riscv ; then
736 if check_define _LP64 ; then
741 elif check_define __arm__ ; then
743 elif check_define __aarch64__ ; then
750 # Normalise host CPU name and set ARCH.
751 # Note that this case should only have supported host CPUs, not guests.
753 ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
760 i386|i486|i586|i686|i86pc|BePC)
785 # This will result in either an error or falling back to TCI later
789 if test -z "$ARCH"; then
795 # host *BSD for user mode
803 audio_possible_drivers="dsound sdl"
804 if check_include dsound.h; then
805 audio_drv_list="dsound"
813 audio_drv_list="oss try-sdl"
814 audio_possible_drivers="oss sdl pa"
819 audio_drv_list="oss try-sdl"
820 audio_possible_drivers="oss sdl pa"
821 # needed for kinfo_getvmmap(3) in libutil.h
823 # needed for kinfo_getproc
824 libs_qga="-lutil $libs_qga"
825 netmap="" # enable netmap autodetect
826 HOST_VARIANT_DIR="freebsd"
832 audio_drv_list="oss try-sdl"
833 audio_possible_drivers="oss sdl pa"
834 HOST_VARIANT_DIR="dragonfly"
840 audio_drv_list="oss try-sdl"
841 audio_possible_drivers="oss sdl"
843 HOST_VARIANT_DIR="netbsd"
849 audio_drv_list="try-sdl"
850 audio_possible_drivers="sdl"
851 HOST_VARIANT_DIR="openbsd"
859 LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
860 if [ "$cpu" = "x86_64" ] ; then
861 QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
862 QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
865 audio_drv_list="coreaudio try-sdl"
866 audio_possible_drivers="coreaudio sdl"
867 QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
868 libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
869 # Disable attempts to use ObjectiveC features in os/object.h since they
870 # won't work when we're compiling with gcc as a C compiler.
871 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
872 HOST_VARIANT_DIR="darwin"
878 install="${INSTALL-ginstall}"
879 smbd="${SMBD-/usr/sfw/sbin/smbd}"
880 if test -f /usr/include/sys/soundcard.h ; then
881 audio_drv_list="oss try-sdl"
883 audio_possible_drivers="oss sdl"
884 # needed for CMSG_ macros in sys/socket.h
885 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
886 # needed for TIOCWIN* defines in termios.h
887 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
888 QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
889 solarisnetlibs="-lsocket -lnsl -lresolv"
890 LIBS="$solarisnetlibs $LIBS"
891 libs_qga="$solarisnetlibs $libs_qga"
895 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
896 LIBS="-lposix_error_mapper -lnetwork $LIBS"
899 audio_drv_list="try-pa oss"
900 audio_possible_drivers="oss alsa sdl pa"
904 QEMU_INCLUDES="-isystem \$(SRC_PATH)/linux-headers -isystem $PWD/linux-headers $QEMU_INCLUDES"
910 if [ "$bsd" = "yes" ] ; then
911 if [ "$darwin" != "yes" ] ; then
916 : ${make=${MAKE-make}}
917 : ${install=${INSTALL-install}}
918 # We prefer python 3.x. A bare 'python' is traditionally
919 # python 2.x, but some distros have it as python 3.x, so
922 for binary in "${PYTHON-python3}" python
926 python=$(command -v "$binary")
932 for binary in sphinx-build-3 sphinx-build
936 sphinx_build=$(command -v "$binary")
941 # Check for ancillary tools used in testing
943 for binary in genisoimage
947 genisoimage=$(command -v "$binary")
952 : ${smbd=${SMBD-/usr/sbin/smbd}}
954 # Default objcc to clang if available, otherwise use CC
961 if test "$mingw32" = "yes" ; then
964 # MinGW needs -mthreads for TLS and macro _MT.
965 QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
966 LIBS="-lwinmm -lws2_32 $LIBS"
968 if compile_prog "" "-liberty" ; then
969 LIBS="-liberty $LIBS"
971 prefix="c:/Program Files/QEMU"
974 qemu_docdir="\${prefix}"
976 sysconfdir="\${prefix}"
979 libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
985 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
987 --help|-h) show_help=yes
989 --version|-V) exec cat $source_path/VERSION
991 --prefix=*) prefix="$optarg"
993 --interp-prefix=*) interp_prefix="$optarg"
999 --host-cc=*) host_cc="$optarg"
1003 --iasl=*) iasl="$optarg"
1005 --objcc=*) objcc="$optarg"
1007 --make=*) make="$optarg"
1009 --install=*) install="$optarg"
1011 --python=*) python="$optarg"
1013 --sphinx-build=*) sphinx_build="$optarg"
1015 --gcov=*) gcov_tool="$optarg"
1017 --smbd=*) smbd="$optarg"
1025 --enable-debug-info)
1027 --disable-debug-info)
1037 --disable-module-upgrades) module_upgrades="no"
1039 --enable-module-upgrades) module_upgrades="yes"
1043 --target-list=*) target_list="$optarg"
1044 if test "$target_list_exclude"; then
1045 error_exit "Can't mix --target-list with --target-list-exclude"
1048 --target-list-exclude=*) target_list_exclude="$optarg"
1049 if test "$target_list"; then
1050 error_exit "Can't mix --target-list-exclude with --target-list"
1053 --enable-trace-backends=*) trace_backends="$optarg"
1055 # XXX: backwards compatibility
1056 --enable-trace-backend=*) trace_backends="$optarg"
1058 --with-trace-file=*) trace_file="$optarg"
1060 --with-default-devices) default_devices="yes"
1062 --without-default-devices) default_devices="no"
1064 --enable-gprof) gprof="yes"
1066 --enable-gcov) gcov="yes"
1070 QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
1071 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1073 --mandir=*) mandir="$optarg"
1075 --bindir=*) bindir="$optarg"
1077 --libdir=*) libdir="$optarg"
1079 --libexecdir=*) libexecdir="$optarg"
1081 --includedir=*) includedir="$optarg"
1083 --datadir=*) datadir="$optarg"
1085 --with-confsuffix=*) confsuffix="$optarg"
1087 --docdir=*) qemu_docdir="$optarg"
1089 --sysconfdir=*) sysconfdir="$optarg"
1091 --localstatedir=*) local_statedir="$optarg"
1093 --firmwarepath=*) firmwarepath="$optarg"
1095 --host=*|--build=*|\
1096 --disable-dependency-tracking|\
1097 --sbindir=*|--sharedstatedir=*|\
1098 --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1099 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1100 # These switches are silently ignored, for compatibility with
1101 # autoconf-generated configure scripts. This allows QEMU's
1102 # configure to be used by RPM and similar macros that set
1103 # lots of directory switches by default.
1105 --disable-sdl) sdl="no"
1107 --enable-sdl) sdl="yes"
1109 --disable-sdl-image) sdl_image="no"
1111 --enable-sdl-image) sdl_image="yes"
1113 --disable-qom-cast-debug) qom_cast_debug="no"
1115 --enable-qom-cast-debug) qom_cast_debug="yes"
1117 --disable-virtfs) virtfs="no"
1119 --enable-virtfs) virtfs="yes"
1121 --disable-mpath) mpath="no"
1123 --enable-mpath) mpath="yes"
1125 --disable-vnc) vnc="no"
1127 --enable-vnc) vnc="yes"
1129 --oss-lib=*) oss_lib="$optarg"
1131 --audio-drv-list=*) audio_drv_list="$optarg"
1133 --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1135 --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1137 --enable-debug-tcg) debug_tcg="yes"
1139 --disable-debug-tcg) debug_tcg="no"
1142 # Enable debugging options that aren't excessively noisy
1149 --enable-sanitizers) sanitizers="yes"
1151 --disable-sanitizers) sanitizers="no"
1153 --enable-sparse) sparse="yes"
1155 --disable-sparse) sparse="no"
1157 --disable-strip) strip_opt="no"
1159 --disable-vnc-sasl) vnc_sasl="no"
1161 --enable-vnc-sasl) vnc_sasl="yes"
1163 --disable-vnc-jpeg) vnc_jpeg="no"
1165 --enable-vnc-jpeg) vnc_jpeg="yes"
1167 --disable-vnc-png) vnc_png="no"
1169 --enable-vnc-png) vnc_png="yes"
1171 --disable-slirp) slirp="no"
1173 --enable-slirp=git) slirp="git"
1175 --enable-slirp=system) slirp="system"
1177 --disable-vde) vde="no"
1179 --enable-vde) vde="yes"
1181 --disable-netmap) netmap="no"
1183 --enable-netmap) netmap="yes"
1185 --disable-xen) xen="no"
1187 --enable-xen) xen="yes"
1189 --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1191 --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1193 --disable-brlapi) brlapi="no"
1195 --enable-brlapi) brlapi="yes"
1197 --disable-kvm) kvm="no"
1199 --enable-kvm) kvm="yes"
1201 --disable-hax) hax="no"
1203 --enable-hax) hax="yes"
1205 --disable-hvf) hvf="no"
1207 --enable-hvf) hvf="yes"
1209 --disable-whpx) whpx="no"
1211 --enable-whpx) whpx="yes"
1213 --disable-tcg-interpreter) tcg_interpreter="no"
1215 --enable-tcg-interpreter) tcg_interpreter="yes"
1217 --disable-cap-ng) cap_ng="no"
1219 --enable-cap-ng) cap_ng="yes"
1221 --disable-tcg) tcg="no"
1223 --enable-tcg) tcg="yes"
1225 --disable-malloc-trim) malloc_trim="no"
1227 --enable-malloc-trim) malloc_trim="yes"
1229 --disable-spice) spice="no"
1231 --enable-spice) spice="yes"
1233 --disable-libiscsi) libiscsi="no"
1235 --enable-libiscsi) libiscsi="yes"
1237 --disable-libnfs) libnfs="no"
1239 --enable-libnfs) libnfs="yes"
1241 --enable-profiler) profiler="yes"
1243 --disable-cocoa) cocoa="no"
1247 audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1249 --disable-system) softmmu="no"
1251 --enable-system) softmmu="yes"
1258 --disable-linux-user) linux_user="no"
1260 --enable-linux-user) linux_user="yes"
1262 --disable-bsd-user) bsd_user="no"
1264 --enable-bsd-user) bsd_user="yes"
1266 --enable-pie) pie="yes"
1268 --disable-pie) pie="no"
1270 --enable-werror) werror="yes"
1272 --disable-werror) werror="no"
1274 --enable-stack-protector) stack_protector="yes"
1276 --disable-stack-protector) stack_protector="no"
1278 --disable-curses) curses="no"
1280 --enable-curses) curses="yes"
1282 --disable-iconv) iconv="no"
1284 --enable-iconv) iconv="yes"
1286 --disable-curl) curl="no"
1288 --enable-curl) curl="yes"
1290 --disable-fdt) fdt="no"
1292 --enable-fdt) fdt="yes"
1294 --disable-linux-aio) linux_aio="no"
1296 --enable-linux-aio) linux_aio="yes"
1298 --disable-linux-io-uring) linux_io_uring="no"
1300 --enable-linux-io-uring) linux_io_uring="yes"
1302 --disable-attr) attr="no"
1304 --enable-attr) attr="yes"
1306 --disable-membarrier) membarrier="no"
1308 --enable-membarrier) membarrier="yes"
1310 --disable-blobs) blobs="no"
1312 --with-pkgversion=*) pkgversion="$optarg"
1314 --with-coroutine=*) coroutine="$optarg"
1316 --disable-coroutine-pool) coroutine_pool="no"
1318 --enable-coroutine-pool) coroutine_pool="yes"
1320 --enable-debug-stack-usage) debug_stack_usage="yes"
1322 --enable-crypto-afalg) crypto_afalg="yes"
1324 --disable-crypto-afalg) crypto_afalg="no"
1326 --disable-docs) docs="no"
1328 --enable-docs) docs="yes"
1330 --disable-vhost-net) vhost_net="no"
1332 --enable-vhost-net) vhost_net="yes"
1334 --disable-vhost-crypto) vhost_crypto="no"
1336 --enable-vhost-crypto) vhost_crypto="yes"
1338 --disable-vhost-scsi) vhost_scsi="no"
1340 --enable-vhost-scsi) vhost_scsi="yes"
1342 --disable-vhost-vsock) vhost_vsock="no"
1344 --enable-vhost-vsock) vhost_vsock="yes"
1346 --disable-vhost-user-fs) vhost_user_fs="no"
1348 --enable-vhost-user-fs) vhost_user_fs="yes"
1350 --disable-opengl) opengl="no"
1352 --enable-opengl) opengl="yes"
1354 --disable-rbd) rbd="no"
1356 --enable-rbd) rbd="yes"
1358 --disable-xfsctl) xfs="no"
1360 --enable-xfsctl) xfs="yes"
1362 --disable-smartcard) smartcard="no"
1364 --enable-smartcard) smartcard="yes"
1366 --disable-libusb) libusb="no"
1368 --enable-libusb) libusb="yes"
1370 --disable-usb-redir) usb_redir="no"
1372 --enable-usb-redir) usb_redir="yes"
1374 --disable-zlib-test) zlib="no"
1376 --disable-lzo) lzo="no"
1378 --enable-lzo) lzo="yes"
1380 --disable-snappy) snappy="no"
1382 --enable-snappy) snappy="yes"
1384 --disable-bzip2) bzip2="no"
1386 --enable-bzip2) bzip2="yes"
1388 --enable-lzfse) lzfse="yes"
1390 --disable-lzfse) lzfse="no"
1392 --disable-zstd) zstd="no"
1394 --enable-zstd) zstd="yes"
1396 --enable-guest-agent) guest_agent="yes"
1398 --disable-guest-agent) guest_agent="no"
1400 --enable-guest-agent-msi) guest_agent_msi="yes"
1402 --disable-guest-agent-msi) guest_agent_msi="no"
1404 --with-vss-sdk) vss_win32_sdk=""
1406 --with-vss-sdk=*) vss_win32_sdk="$optarg"
1408 --without-vss-sdk) vss_win32_sdk="no"
1410 --with-win-sdk) win_sdk=""
1412 --with-win-sdk=*) win_sdk="$optarg"
1414 --without-win-sdk) win_sdk="no"
1416 --enable-tools) want_tools="yes"
1418 --disable-tools) want_tools="no"
1420 --enable-seccomp) seccomp="yes"
1422 --disable-seccomp) seccomp="no"
1424 --disable-glusterfs) glusterfs="no"
1426 --disable-avx2) avx2_opt="no"
1428 --enable-avx2) avx2_opt="yes"
1430 --disable-avx512f) avx512f_opt="no"
1432 --enable-avx512f) avx512f_opt="yes"
1435 --enable-glusterfs) glusterfs="yes"
1437 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1438 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1440 --enable-vhdx|--disable-vhdx)
1441 echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1443 --enable-uuid|--disable-uuid)
1444 echo "$0: $opt is obsolete, UUID support is always built" >&2
1446 --disable-gtk) gtk="no"
1448 --enable-gtk) gtk="yes"
1450 --tls-priority=*) tls_priority="$optarg"
1452 --disable-gnutls) gnutls="no"
1454 --enable-gnutls) gnutls="yes"
1456 --disable-nettle) nettle="no"
1458 --enable-nettle) nettle="yes"
1460 --disable-gcrypt) gcrypt="no"
1462 --enable-gcrypt) gcrypt="yes"
1464 --disable-auth-pam) auth_pam="no"
1466 --enable-auth-pam) auth_pam="yes"
1468 --enable-rdma) rdma="yes"
1470 --disable-rdma) rdma="no"
1472 --enable-pvrdma) pvrdma="yes"
1474 --disable-pvrdma) pvrdma="no"
1476 --disable-vte) vte="no"
1478 --enable-vte) vte="yes"
1480 --disable-virglrenderer) virglrenderer="no"
1482 --enable-virglrenderer) virglrenderer="yes"
1484 --disable-tpm) tpm="no"
1486 --enable-tpm) tpm="yes"
1488 --disable-libssh) libssh="no"
1490 --enable-libssh) libssh="yes"
1492 --disable-live-block-migration) live_block_migration="no"
1494 --enable-live-block-migration) live_block_migration="yes"
1496 --disable-numa) numa="no"
1498 --enable-numa) numa="yes"
1500 --disable-libxml2) libxml2="no"
1502 --enable-libxml2) libxml2="yes"
1504 --disable-tcmalloc) tcmalloc="no"
1506 --enable-tcmalloc) tcmalloc="yes"
1508 --disable-jemalloc) jemalloc="no"
1510 --enable-jemalloc) jemalloc="yes"
1512 --disable-replication) replication="no"
1514 --enable-replication) replication="yes"
1516 --disable-vxhs) vxhs="no"
1518 --enable-vxhs) vxhs="yes"
1520 --disable-bochs) bochs="no"
1522 --enable-bochs) bochs="yes"
1524 --disable-cloop) cloop="no"
1526 --enable-cloop) cloop="yes"
1528 --disable-dmg) dmg="no"
1530 --enable-dmg) dmg="yes"
1532 --disable-qcow1) qcow1="no"
1534 --enable-qcow1) qcow1="yes"
1536 --disable-vdi) vdi="no"
1538 --enable-vdi) vdi="yes"
1540 --disable-vvfat) vvfat="no"
1542 --enable-vvfat) vvfat="yes"
1544 --disable-qed) qed="no"
1546 --enable-qed) qed="yes"
1548 --disable-parallels) parallels="no"
1550 --enable-parallels) parallels="yes"
1552 --disable-sheepdog) sheepdog="no"
1554 --enable-sheepdog) sheepdog="yes"
1556 --disable-vhost-user) vhost_user="no"
1558 --enable-vhost-user) vhost_user="yes"
1560 --disable-vhost-kernel) vhost_kernel="no"
1562 --enable-vhost-kernel) vhost_kernel="yes"
1564 --disable-capstone) capstone="no"
1566 --enable-capstone) capstone="yes"
1568 --enable-capstone=git) capstone="git"
1570 --enable-capstone=system) capstone="system"
1572 --with-git=*) git="$optarg"
1574 --enable-git-update) git_update=yes
1576 --disable-git-update) git_update=no
1578 --enable-debug-mutex) debug_mutex=yes
1580 --disable-debug-mutex) debug_mutex=no
1582 --enable-libpmem) libpmem=yes
1584 --disable-libpmem) libpmem=no
1586 --enable-xkbcommon) xkbcommon=yes
1588 --disable-xkbcommon) xkbcommon=no
1590 --enable-plugins) plugins="yes"
1592 --disable-plugins) plugins="no"
1594 --enable-containers) use_containers="yes"
1596 --disable-containers) use_containers="no"
1598 --enable-fuzzing) fuzzing=yes
1600 --disable-fuzzing) fuzzing=no
1602 --gdb=*) gdb_bin="$optarg"
1605 echo "ERROR: unknown option $opt"
1606 echo "Try '$0 --help' for more information"
1615 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1619 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1622 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1623 QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1626 CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1627 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1631 QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1635 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1639 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1642 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1643 # If we truly care, we should simply detect this case at
1644 # runtime and generate the fallback to serial emulation.
1645 CPU_CFLAGS="-m64 -mcx16"
1646 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1650 QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1652 # No special flags required for other host CPUs
1655 eval "cross_cc_${cpu}=\$host_cc"
1656 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1657 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1659 # For user-mode emulation the host arch has to be one we explicitly
1660 # support, even if we're using TCI.
1661 if [ "$ARCH" = "unknown" ]; then
1666 default_target_list=""
1670 if [ "$softmmu" = "yes" ]; then
1671 mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1673 if [ "$linux_user" = "yes" ]; then
1674 mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1676 if [ "$bsd_user" = "yes" ]; then
1677 mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1680 if test -z "$target_list_exclude"; then
1681 for config in $mak_wilds; do
1682 default_target_list="${default_target_list} $(basename "$config" .mak)"
1685 exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1686 for config in $mak_wilds; do
1687 target="$(basename "$config" .mak)"
1689 for excl in $exclude_list; do
1690 if test "$excl" = "$target"; then
1695 if test "$exclude" = "no"; then
1696 default_target_list="${default_target_list} $target"
1701 # Enumerate public trace backends for --help output
1702 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1704 if test x"$show_help" = x"yes" ; then
1707 Usage: configure [options]
1708 Options: [defaults in brackets after descriptions]
1711 --help print this message
1712 --prefix=PREFIX install in PREFIX [$prefix]
1713 --interp-prefix=PREFIX where to find shared libraries, etc.
1714 use %M for cpu name [$interp_prefix]
1715 --target-list=LIST set target list (default: build everything)
1716 $(echo Available targets: $default_target_list | \
1717 fold -s -w 53 | sed -e 's/^/ /')
1718 --target-list-exclude=LIST exclude a set of targets from the default target-list
1720 Advanced options (experts only):
1721 --cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]
1722 --cc=CC use C compiler CC [$cc]
1723 --iasl=IASL use ACPI compiler IASL [$iasl]
1724 --host-cc=CC use C compiler CC [$host_cc] for code run at
1726 --cxx=CXX use C++ compiler CXX [$cxx]
1727 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
1728 --extra-cflags=CFLAGS append extra C compiler flags QEMU_CFLAGS
1729 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1730 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
1731 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
1732 --cross-cc-flags-ARCH= use compiler flags when building ARCH guest tests
1733 --make=MAKE use specified make [$make]
1734 --install=INSTALL use specified install [$install]
1735 --python=PYTHON use specified python [$python]
1736 --sphinx-build=SPHINX use specified sphinx-build [$sphinx_build]
1737 --smbd=SMBD use specified smbd [$smbd]
1738 --with-git=GIT use specified git [$git]
1739 --static enable static build [$static]
1740 --mandir=PATH install man pages in PATH
1741 --datadir=PATH install firmware in PATH$confsuffix
1742 --docdir=PATH install documentation in PATH$confsuffix
1743 --bindir=PATH install binaries in PATH
1744 --libdir=PATH install libraries in PATH
1745 --libexecdir=PATH install helper binaries in PATH
1746 --sysconfdir=PATH install config in PATH$confsuffix
1747 --localstatedir=PATH install local state in PATH (set at runtime on win32)
1748 --firmwarepath=PATH search PATH for firmware files
1749 --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1750 --with-pkgversion=VERS use specified string as sub-version of the package
1751 --enable-debug enable common debug build options
1752 --enable-sanitizers enable default sanitizers
1753 --disable-strip disable stripping binaries
1754 --disable-werror disable compilation abort on warning
1755 --disable-stack-protector disable compiler-provided stack protection
1756 --audio-drv-list=LIST set audio drivers list:
1757 Available drivers: $audio_possible_drivers
1758 --block-drv-whitelist=L Same as --block-drv-rw-whitelist=L
1759 --block-drv-rw-whitelist=L
1760 set block driver read-write whitelist
1761 (affects only QEMU, not qemu-img)
1762 --block-drv-ro-whitelist=L
1763 set block driver read-only whitelist
1764 (affects only QEMU, not qemu-img)
1765 --enable-trace-backends=B Set trace backend
1766 Available backends: $trace_backend_list
1767 --with-trace-file=NAME Full PATH,NAME of file to store traces
1769 --disable-slirp disable SLIRP userspace network connectivity
1770 --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1771 --enable-malloc-trim enable libc malloc_trim() for memory optimization
1772 --oss-lib path to OSS library
1773 --cpu=CPU Build for host CPU [$cpu]
1774 --with-coroutine=BACKEND coroutine backend. Supported options:
1775 ucontext, sigaltstack, windows
1776 --enable-gcov enable test coverage analysis with gcov
1777 --gcov=GCOV use specified gcov [$gcov_tool]
1778 --disable-blobs disable installing provided firmware blobs
1779 --with-vss-sdk=SDK-path enable Windows VSS support in QEMU Guest Agent
1780 --with-win-sdk=SDK-path path to Windows Platform SDK (to build VSS .tlb)
1781 --tls-priority default TLS protocol/cipher priority string
1782 --enable-gprof QEMU profiling with gprof
1783 --enable-profiler profiler support
1784 --enable-debug-stack-usage
1785 track the maximum stack usage of stacks created by qemu_alloc_stack
1787 enable plugins via shared library loading
1788 --disable-containers don't use containers for cross-building
1789 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
1791 Optional features, enabled with --enable-FEATURE and
1792 disabled with --disable-FEATURE, default is enabled if available:
1794 system all system emulation targets
1795 user supported user emulation targets
1796 linux-user all linux usermode emulation targets
1797 bsd-user all BSD usermode emulation targets
1798 docs build documentation
1799 guest-agent build the QEMU Guest Agent
1800 guest-agent-msi build guest agent Windows MSI installation package
1801 pie Position Independent Executables
1802 modules modules support (non-Windows)
1803 module-upgrades try to load modules from alternate paths for upgrades
1804 debug-tcg TCG debugging (default is disabled)
1805 debug-info debugging information
1806 sparse sparse checker
1808 gnutls GNUTLS cryptography support
1809 nettle nettle cryptography support
1810 gcrypt libgcrypt cryptography support
1811 auth-pam PAM access control
1813 sdl-image SDL Image support for icons
1815 vte vte support for the gtk UI
1817 iconv font glyph conversion support
1819 vnc-sasl SASL encryption for VNC server
1820 vnc-jpeg JPEG lossy compression for VNC server
1821 vnc-png PNG compression for VNC server
1822 cocoa Cocoa UI (Mac OS X only)
1824 mpath Multipath persistent reservation passthrough
1825 xen xen backend driver support
1826 xen-pci-passthrough PCI passthrough support for Xen
1827 brlapi BrlAPI (Braile)
1828 curl curl connectivity
1829 membarrier membarrier system call (for Linux 4.14+ or Windows)
1831 kvm KVM acceleration support
1832 hax HAX acceleration support
1833 hvf Hypervisor.framework acceleration support
1834 whpx Windows Hypervisor Platform acceleration support
1835 rdma Enable RDMA-based migration
1836 pvrdma Enable PVRDMA support
1837 vde support for vde network
1838 netmap support for netmap network
1839 linux-aio Linux AIO support
1840 linux-io-uring Linux io_uring support
1841 cap-ng libcap-ng support
1842 attr attr and xattr support
1843 vhost-net vhost-net kernel acceleration support
1844 vhost-vsock virtio sockets device support
1845 vhost-scsi vhost-scsi kernel target support
1846 vhost-crypto vhost-user-crypto backend support
1847 vhost-kernel vhost kernel backend support
1848 vhost-user vhost-user backend support
1850 rbd rados block device (rbd)
1851 libiscsi iscsi support
1853 smartcard smartcard support (libcacard)
1854 libusb libusb (for usb passthrough)
1855 live-block-migration Block migration in the main migration stream
1856 usb-redir usb network redirection support
1857 lzo support of lzo compression library
1858 snappy support of snappy compression library
1859 bzip2 support of bzip2 compression library
1860 (for reading bzip2-compressed dmg images)
1861 lzfse support of lzfse compression library
1862 (for reading lzfse-compressed dmg images)
1863 zstd support for zstd compression library
1864 (for migration compression)
1865 seccomp seccomp support
1866 coroutine-pool coroutine freelist (better performance)
1867 glusterfs GlusterFS backend
1869 libssh ssh block device support
1870 numa libnuma support
1871 libxml2 for Parallels image format
1872 tcmalloc tcmalloc support
1873 jemalloc jemalloc support
1874 avx2 AVX2 optimization support
1875 avx512f AVX512F optimization support
1876 replication replication support
1877 opengl opengl support
1878 virglrenderer virgl rendering support
1879 xfsctl xfsctl support
1880 qom-cast-debug cast debugging support
1881 tools build qemu-io, qemu-nbd and qemu-img tools
1882 vxhs Veritas HyperScale vDisk backend support
1883 bochs bochs image format support
1884 cloop cloop image format support
1885 dmg dmg image format support
1886 qcow1 qcow v1 image format support
1887 vdi vdi image format support
1888 vvfat vvfat image format support
1889 qed qed image format support
1890 parallels parallels image format support
1891 sheepdog sheepdog block driver support
1892 crypto-afalg Linux AF_ALG crypto backend driver
1893 capstone capstone disassembler support
1894 debug-mutex mutex debugging support
1895 libpmem libpmem support
1896 xkbcommon xkbcommon support
1898 NOTE: The object files are built at the place where configure is launched
1903 # Remove old dependency files to make sure that they get properly regenerated
1904 rm -f */config-devices.mak.d
1906 if test -z "$python"
1908 error_exit "Python not found. Use --python=/path/to/python"
1911 # Note that if the Python conditional here evaluates True we will exit
1912 # with status 1 which is a shell 'false' value.
1913 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
1914 error_exit "Cannot use '$python', Python >= 3.5 is required." \
1915 "Use --python=/path/to/python to specify a supported Python."
1918 # Preserve python version since some functionality is dependent on it
1919 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)
1921 # Suppress writing compiled files
1924 # Check that the C compiler works. Doing this here before testing
1925 # the host CPU ensures that we had a valid CC to autodetect the
1926 # $cpu var (and we should bail right here if that's not the case).
1927 # It also allows the help message to be printed without a CC.
1929 if compile_object ; then
1930 : C compiler works ok
1932 error_exit "\"$cc\" either does not exist or does not work"
1934 if ! compile_prog ; then
1935 error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1938 # Now we have handled --enable-tcg-interpreter and know we're not just
1939 # printing the help message, bail out if the host CPU isn't supported.
1940 if test "$ARCH" = "unknown"; then
1941 if test "$tcg_interpreter" = "yes" ; then
1942 echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1944 error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1948 # Consult white-list to determine whether to enable werror
1949 # by default. Only enable by default for git builds
1950 if test -z "$werror" ; then
1951 if test -e "$source_path/.git" && \
1952 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1959 if test "$bogus_os" = "yes"; then
1960 # Now that we know that we're not printing the help and that
1961 # the compiler works (so the results of the check_defines we used
1962 # to identify the OS are reliable), if we didn't recognize the
1963 # host OS we should stop now.
1964 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1967 # Check whether the compiler matches our minimum requirements:
1969 #if defined(__clang_major__) && defined(__clang_minor__)
1970 # ifdef __apple_build_version__
1971 # if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1972 # error You need at least XCode Clang v5.1 to compile QEMU
1975 # if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1976 # error You need at least Clang v3.4 to compile QEMU
1979 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1980 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1981 # error You need at least GCC v4.8 to compile QEMU
1984 # error You either need GCC or Clang to compiler QEMU
1986 int main (void) { return 0; }
1988 if ! compile_prog "" "" ; then
1989 error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1992 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1993 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1994 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1995 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1996 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1997 gcc_flags="-Wno-string-plus-int -Wno-typedef-redefinition $gcc_flags"
1998 # Note that we do not add -Werror to gcc_flags here, because that would
1999 # enable it for all configure tests. If a configure test failed due
2000 # to -Werror this would just silently disable some features,
2001 # so it's too error prone.
2003 cc_has_warning_flag() {
2006 # Use the positive sense of the flag when testing for -Wno-wombat
2007 # support (gcc will happily accept the -Wno- form of unknown
2009 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2010 compile_prog "-Werror $optflag" ""
2013 for flag in $gcc_flags; do
2014 if cc_has_warning_flag $flag ; then
2015 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2019 if test "$stack_protector" != "no"; then
2021 int main(int argc, char *argv[])
2023 char arr[64], *p = arr, *c = argv[0];
2030 gcc_flags="-fstack-protector-strong -fstack-protector-all"
2032 for flag in $gcc_flags; do
2033 # We need to check both a compile and a link, since some compiler
2034 # setups fail only on a .c->.o compile and some only at link time
2035 if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
2036 compile_prog "-Werror $flag" ""; then
2037 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2038 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2043 if test "$stack_protector" = yes; then
2044 if test $sp_on = 0; then
2045 error_exit "Stack protector not supported"
2050 # Disable -Wmissing-braces on older compilers that warn even for
2051 # the "universal" C zero initializer {0}.
2057 if compile_object "-Werror" "" ; then
2060 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2063 # Our module code doesn't support Windows
2064 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2065 error_exit "Modules are not available for Windows"
2068 # module_upgrades is only reasonable if modules are enabled
2069 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2070 error_exit "Can't enable module-upgrades as Modules are not enabled"
2073 # Static linking is not possible with modules or PIE
2074 if test "$static" = "yes" ; then
2075 if test "$modules" = "yes" ; then
2076 error_exit "static and modules are mutually incompatible"
2078 if test "$pie" = "yes" ; then
2079 error_exit "static and pie are mutually incompatible"
2085 # Unconditional check for compiler __thread support
2087 static __thread int tls_var;
2088 int main(void) { return tls_var; }
2091 if ! compile_prog "-Werror" "" ; then
2092 error_exit "Your compiler does not support the __thread specifier for " \
2093 "Thread-Local Storage (TLS). Please upgrade to a version that does."
2096 if test "$pie" = ""; then
2097 case "$cpu-$targetos" in
2098 i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
2106 if test "$pie" != "no" ; then
2110 # define THREAD __thread
2115 static THREAD int tls_var;
2117 int main(void) { return tls_var; }
2120 # check we support --no-pie first...
2121 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2122 CFLAGS_NOPIE="-fno-pie"
2123 LDFLAGS_NOPIE="-nopie"
2126 if compile_prog "-fPIE -DPIE" "-pie"; then
2127 QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
2128 QEMU_LDFLAGS="-pie $QEMU_LDFLAGS"
2130 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2131 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2134 if test "$pie" = "yes"; then
2135 error_exit "PIE not available due to missing toolchain support"
2137 echo "Disabling PIE due to missing toolchain support"
2143 ##########################################
2144 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2145 # use i686 as default anyway, but for those that don't, an explicit
2146 # specification is necessary
2148 if test "$cpu" = "i386"; then
2150 static int sfaa(int *ptr)
2152 return __sync_fetch_and_and(ptr, 0);
2158 val = __sync_val_compare_and_swap(&val, 0, 1);
2163 if ! compile_prog "" "" ; then
2164 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2168 #########################################
2169 # Solaris specific configure tool chain decisions
2171 if test "$solaris" = "yes" ; then
2172 if has $install; then
2175 error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2176 "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2177 "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2179 if test "$(path_of $install)" = "/usr/sbin/install" ; then
2180 error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2181 "try ginstall from the GNU fileutils available from www.blastwave.org" \
2182 "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2187 if test -f /usr/ccs/bin/ar ; then
2188 error_exit "No path includes ar" \
2189 "Add /usr/ccs/bin to your path and rerun configure"
2191 error_exit "No path includes ar"
2195 if test -z "${target_list+xxx}" ; then
2196 for target in $default_target_list; do
2197 supported_target $target 2>/dev/null && \
2198 target_list="$target_list $target"
2200 target_list="${target_list# }"
2202 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2203 for target in $target_list; do
2204 # Check that we recognised the target name; this allows a more
2205 # friendly error message than if we let it fall through.
2206 case " $default_target_list " in
2210 error_exit "Unknown target name '$target'"
2213 supported_target $target || exit 1
2217 # see if system emulation was really requested
2218 case " $target_list " in
2219 *"-softmmu "*) softmmu=yes
2225 for target in $target_list; do
2227 arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2232 # The EDK2 binaries are compressed with bzip2
2233 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2234 error_exit "The bzip2 program is required for building QEMU"
2237 feature_not_found() {
2241 error_exit "User requested feature $feature" \
2242 "configure was not able to find it." \
2247 # big/little endian test
2249 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2250 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2251 extern int foo(short *, short *);
2252 int main(int argc, char *argv[]) {
2253 return foo(big_endian, little_endian);
2257 if compile_object ; then
2258 if strings -a $TMPO | grep -q BiGeNdIaN ; then
2260 elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2263 echo big/little test failed
2266 echo big/little test failed
2269 ##########################################
2271 if test -z "$want_tools"; then
2272 if test "$softmmu" = "no"; then
2279 ##########################################
2280 # cocoa implies not SDL or GTK
2281 # (the cocoa UI code currently assumes it is always the active UI
2282 # and doesn't interact well with other UI frontend code)
2283 if test "$cocoa" = "yes"; then
2284 if test "$sdl" = "yes"; then
2285 error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2287 if test "$gtk" = "yes"; then
2288 error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2294 # Some versions of Mac OS X incorrectly define SIZE_MAX
2298 int main(int argc, char *argv[]) {
2299 return printf("%zu", SIZE_MAX);
2302 have_broken_size_max=no
2303 if ! compile_object -Werror ; then
2304 have_broken_size_max=yes
2307 ##########################################
2311 #include <sys/socket.h>
2312 #include <linux/ip.h>
2313 int main(void) { return sizeof(struct mmsghdr); }
2315 if compile_prog "" "" ; then
2321 #########################################
2322 # vhost interdependencies and host support
2325 test "$vhost_user" = "" && vhost_user=yes
2326 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2327 error_exit "vhost-user isn't available on win32"
2329 test "$vhost_kernel" = "" && vhost_kernel=$linux
2330 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2331 error_exit "vhost-kernel is only available on Linux"
2334 # vhost-kernel devices
2335 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2336 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2337 error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2339 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2340 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2341 error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2344 # vhost-user backends
2345 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2346 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2347 error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2349 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2350 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2351 error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2353 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2354 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2355 error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2358 # OR the vhost-kernel and vhost-user values for simplicity
2359 if test "$vhost_net" = ""; then
2360 test "$vhost_net_user" = "yes" && vhost_net=yes
2361 test "$vhost_kernel" = "yes" && vhost_net=yes
2364 ##########################################
2365 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2367 if test "$mingw32" = "yes"; then
2368 # Some versions of MinGW / Mingw-w64 lack localtime_r
2369 # and gmtime_r entirely.
2371 # Some versions of Mingw-w64 define a macro for
2372 # localtime_r/gmtime_r.
2374 # Some versions of Mingw-w64 will define functions
2375 # for localtime_r/gmtime_r, but only if you have
2376 # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2377 # though, unistd.h and pthread.h both define
2380 # So this #undef localtime_r and #include <unistd.h>
2381 # are not in fact redundant.
2386 int main(void) { localtime_r(NULL, NULL); return 0; }
2388 if compile_prog "" "" ; then
2395 ##########################################
2398 if ! has "$pkg_config_exe"; then
2399 error_exit "pkg-config binary '$pkg_config_exe' not found"
2402 ##########################################
2405 if test "$linux_user" = "yes"; then
2408 #include <linux/futex.h>
2410 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2416 if ! compile_object ; then
2417 feature_not_found "nptl" "Install glibc and linux kernel headers."
2421 ##########################################
2424 if test "$lzo" != "no" ; then
2426 #include <lzo/lzo1x.h>
2427 int main(void) { lzo_version(); return 0; }
2429 if compile_prog "" "-llzo2" ; then
2430 libs_softmmu="$libs_softmmu -llzo2"
2433 if test "$lzo" = "yes"; then
2434 feature_not_found "liblzo2" "Install liblzo2 devel"
2440 ##########################################
2443 if test "$snappy" != "no" ; then
2445 #include <snappy-c.h>
2446 int main(void) { snappy_max_compressed_length(4096); return 0; }
2448 if compile_prog "" "-lsnappy" ; then
2449 libs_softmmu="$libs_softmmu -lsnappy"
2452 if test "$snappy" = "yes"; then
2453 feature_not_found "libsnappy" "Install libsnappy devel"
2459 ##########################################
2462 if test "$bzip2" != "no" ; then
2465 int main(void) { BZ2_bzlibVersion(); return 0; }
2467 if compile_prog "" "-lbz2" ; then
2470 if test "$bzip2" = "yes"; then
2471 feature_not_found "libbzip2" "Install libbzip2 devel"
2477 ##########################################
2480 if test "$lzfse" != "no" ; then
2483 int main(void) { lzfse_decode_scratch_size(); return 0; }
2485 if compile_prog "" "-llzfse" ; then
2488 if test "$lzfse" = "yes"; then
2489 feature_not_found "lzfse" "Install lzfse devel"
2495 ##########################################
2498 if test "$zstd" != "no" ; then
2499 libzstd_minver="1.4.0"
2500 if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2501 zstd_cflags="$($pkg_config --cflags libzstd)"
2502 zstd_libs="$($pkg_config --libs libzstd)"
2503 LIBS="$zstd_libs $LIBS"
2504 QEMU_CFLAGS="$QEMU_CFLAGS $zstd_cflags"
2507 if test "$zstd" = "yes" ; then
2508 feature_not_found "libzstd" "Install libzstd devel"
2514 ##########################################
2517 if test "$seccomp" != "no" ; then
2518 libseccomp_minver="2.3.0"
2519 if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2520 seccomp_cflags="$($pkg_config --cflags libseccomp)"
2521 seccomp_libs="$($pkg_config --libs libseccomp)"
2524 if test "$seccomp" = "yes" ; then
2525 feature_not_found "libseccomp" \
2526 "Install libseccomp devel >= $libseccomp_minver"
2531 ##########################################
2534 if test "$xen" != "no" ; then
2535 # Check whether Xen library path is specified via --extra-ldflags to avoid
2536 # overriding this setting with pkg-config output. If not, try pkg-config
2537 # to obtain all needed flags.
2539 if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2540 $pkg_config --exists xencontrol ; then
2541 xen_ctrl_version="$(printf '%d%02d%02d' \
2542 $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2544 xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2545 xen_pc="$xen_pc xenevtchn xendevicemodel"
2546 if $pkg_config --exists xentoolcore; then
2547 xen_pc="$xen_pc xentoolcore"
2549 QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2550 libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2553 xen_libs="-lxenstore -lxenctrl -lxenguest"
2554 xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2556 # First we test whether Xen headers and libraries are available.
2557 # If no, we are done and there is no Xen support.
2558 # If yes, more tests are run to detect the Xen version.
2562 #include <xenctrl.h>
2567 if ! compile_prog "" "$xen_libs" ; then
2569 if test "$xen" = "yes" ; then
2570 feature_not_found "xen" "Install xen devel"
2576 cat > $TMPC <<EOF &&
2577 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2578 #define __XEN_TOOLS__
2579 #include <xendevicemodel.h>
2580 #include <xenforeignmemory.h>
2582 xendevicemodel_handle *xd;
2583 xenforeignmemory_handle *xfmem;
2585 xd = xendevicemodel_open(0, 0);
2586 xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2588 xfmem = xenforeignmemory_open(0, 0);
2589 xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2594 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2596 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2597 xen_ctrl_version=41100
2600 cat > $TMPC <<EOF &&
2601 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2602 #include <xenforeignmemory.h>
2603 #include <xentoolcore.h>
2605 xenforeignmemory_handle *xfmem;
2607 xfmem = xenforeignmemory_open(0, 0);
2608 xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2609 xentoolcore_restrict_all(0);
2614 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2616 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2617 xen_ctrl_version=41000
2620 cat > $TMPC <<EOF &&
2621 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2622 #define __XEN_TOOLS__
2623 #include <xendevicemodel.h>
2625 xendevicemodel_handle *xd;
2627 xd = xendevicemodel_open(0, 0);
2628 xendevicemodel_close(xd);
2633 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2635 xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2636 xen_ctrl_version=40900
2639 cat > $TMPC <<EOF &&
2641 * If we have stable libs the we don't want the libxc compat
2642 * layers, regardless of what CFLAGS we may have been given.
2644 * Also, check if xengnttab_grant_copy_segment_t is defined and
2645 * grant copy operation is implemented.
2647 #undef XC_WANT_COMPAT_EVTCHN_API
2648 #undef XC_WANT_COMPAT_GNTTAB_API
2649 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2650 #include <xenctrl.h>
2651 #include <xenstore.h>
2652 #include <xenevtchn.h>
2653 #include <xengnttab.h>
2654 #include <xenforeignmemory.h>
2656 #include <xen/hvm/hvm_info_table.h>
2657 #if !defined(HVM_MAX_VCPUS)
2658 # error HVM_MAX_VCPUS not defined
2661 xc_interface *xc = NULL;
2662 xenforeignmemory_handle *xfmem;
2663 xenevtchn_handle *xe;
2664 xengnttab_handle *xg;
2665 xengnttab_grant_copy_segment_t* seg = NULL;
2669 xc = xc_interface_open(0, 0, 0);
2670 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2671 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2672 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2673 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2675 xfmem = xenforeignmemory_open(0, 0);
2676 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2678 xe = xenevtchn_open(0, 0);
2681 xg = xengnttab_open(0, 0);
2682 xengnttab_grant_copy(xg, 0, seg);
2687 compile_prog "" "$xen_libs $xen_stable_libs"
2689 xen_ctrl_version=40800
2692 cat > $TMPC <<EOF &&
2694 * If we have stable libs the we don't want the libxc compat
2695 * layers, regardless of what CFLAGS we may have been given.
2697 #undef XC_WANT_COMPAT_EVTCHN_API
2698 #undef XC_WANT_COMPAT_GNTTAB_API
2699 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2700 #include <xenctrl.h>
2701 #include <xenstore.h>
2702 #include <xenevtchn.h>
2703 #include <xengnttab.h>
2704 #include <xenforeignmemory.h>
2706 #include <xen/hvm/hvm_info_table.h>
2707 #if !defined(HVM_MAX_VCPUS)
2708 # error HVM_MAX_VCPUS not defined
2711 xc_interface *xc = NULL;
2712 xenforeignmemory_handle *xfmem;
2713 xenevtchn_handle *xe;
2714 xengnttab_handle *xg;
2718 xc = xc_interface_open(0, 0, 0);
2719 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2720 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2721 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2722 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2724 xfmem = xenforeignmemory_open(0, 0);
2725 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2727 xe = xenevtchn_open(0, 0);
2730 xg = xengnttab_open(0, 0);
2731 xengnttab_map_grant_ref(xg, 0, 0, 0);
2736 compile_prog "" "$xen_libs $xen_stable_libs"
2738 xen_ctrl_version=40701
2743 cat > $TMPC <<EOF &&
2744 #include <xenctrl.h>
2745 #include <xenstore.h>
2747 #include <xen/hvm/hvm_info_table.h>
2748 #if !defined(HVM_MAX_VCPUS)
2749 # error HVM_MAX_VCPUS not defined
2754 xc = xc_interface_open(0, 0, 0);
2755 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2756 xc_gnttab_open(NULL, 0);
2757 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2758 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2759 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2760 xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2764 compile_prog "" "$xen_libs"
2766 xen_ctrl_version=40600
2771 cat > $TMPC <<EOF &&
2772 #include <xenctrl.h>
2773 #include <xenstore.h>
2775 #include <xen/hvm/hvm_info_table.h>
2776 #if !defined(HVM_MAX_VCPUS)
2777 # error HVM_MAX_VCPUS not defined
2782 xc = xc_interface_open(0, 0, 0);
2783 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2784 xc_gnttab_open(NULL, 0);
2785 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2786 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2787 xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2791 compile_prog "" "$xen_libs"
2793 xen_ctrl_version=40500
2797 cat > $TMPC <<EOF &&
2798 #include <xenctrl.h>
2799 #include <xenstore.h>
2801 #include <xen/hvm/hvm_info_table.h>
2802 #if !defined(HVM_MAX_VCPUS)
2803 # error HVM_MAX_VCPUS not defined
2808 xc = xc_interface_open(0, 0, 0);
2809 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2810 xc_gnttab_open(NULL, 0);
2811 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2812 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2816 compile_prog "" "$xen_libs"
2818 xen_ctrl_version=40200
2822 if test "$xen" = "yes" ; then
2823 feature_not_found "xen (unsupported version)" \
2824 "Install a supported xen (xen 4.2 or newer)"
2829 if test "$xen" = yes; then
2830 if test $xen_ctrl_version -ge 40701 ; then
2831 libs_softmmu="$xen_stable_libs $libs_softmmu"
2833 libs_softmmu="$xen_libs $libs_softmmu"
2838 if test "$xen_pci_passthrough" != "no"; then
2839 if test "$xen" = "yes" && test "$linux" = "yes"; then
2840 xen_pci_passthrough=yes
2842 if test "$xen_pci_passthrough" = "yes"; then
2843 error_exit "User requested feature Xen PCI Passthrough" \
2844 " but this feature requires /sys from Linux"
2846 xen_pci_passthrough=no
2850 ##########################################
2851 # Windows Hypervisor Platform accelerator (WHPX) check
2852 if test "$whpx" != "no" ; then
2853 if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2856 if test "$whpx" = "yes"; then
2857 feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2863 ##########################################
2865 if test "$sparse" != "no" ; then
2869 if test "$sparse" = "yes" ; then
2870 feature_not_found "sparse" "Install sparse binary"
2876 ##########################################
2878 if $pkg_config --exists "x11"; then
2880 x11_cflags=$($pkg_config --cflags x11)
2881 x11_libs=$($pkg_config --libs x11)
2884 ##########################################
2887 if test "$gtk" != "no"; then
2888 gtkpackage="gtk+-3.0"
2889 gtkx11package="gtk+-x11-3.0"
2891 if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2892 gtk_cflags=$($pkg_config --cflags $gtkpackage)
2893 gtk_libs=$($pkg_config --libs $gtkpackage)
2894 gtk_version=$($pkg_config --modversion $gtkpackage)
2895 if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2897 gtk_cflags="$gtk_cflags $x11_cflags"
2898 gtk_libs="$gtk_libs $x11_libs"
2901 elif test "$gtk" = "yes"; then
2902 feature_not_found "gtk" "Install gtk3-devel"
2909 ##########################################
2912 if test "$gnutls" != "no"; then
2914 if $pkg_config --exists "gnutls >= 3.1.18"; then
2915 gnutls_cflags=$($pkg_config --cflags gnutls)
2916 gnutls_libs=$($pkg_config --libs gnutls)
2917 # Packaging for the static libraries is not always correct.
2918 # At least ubuntu 18.04 ships only shared libraries.
2920 if compile_prog "" "$gnutls_libs" ; then
2921 LIBS="$gnutls_libs $LIBS"
2922 QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2926 if test "$pass" = "no" && test "$gnutls" = "yes"; then
2927 feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2934 # If user didn't give a --disable/enable-gcrypt flag,
2935 # then mark as disabled if user requested nettle
2937 if test -z "$gcrypt"
2939 if test "$nettle" = "yes"
2945 # If user didn't give a --disable/enable-nettle flag,
2946 # then mark as disabled if user requested gcrypt
2948 if test -z "$nettle"
2950 if test "$gcrypt" = "yes"
2957 if ! has "libgcrypt-config"
2962 if test -n "$cross_prefix"
2964 host=$(libgcrypt-config --host)
2965 if test "$host-" != $cross_prefix
2971 maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2972 min=`libgcrypt-config --version | awk -F . '{print $2}'`
2974 if test $maj != 1 || test $min -lt 5
2983 if test "$nettle" != "no"; then
2985 if $pkg_config --exists "nettle >= 2.7.1"; then
2986 nettle_cflags=$($pkg_config --cflags nettle)
2987 nettle_libs=$($pkg_config --libs nettle)
2988 nettle_version=$($pkg_config --modversion nettle)
2989 # Link test to make sure the given libraries work (e.g for static).
2991 if compile_prog "" "$nettle_libs" ; then
2992 LIBS="$nettle_libs $LIBS"
2993 QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2994 if test -z "$gcrypt"; then
3000 if test "$pass" = "yes"
3003 #include <nettle/xts.h>
3008 if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3013 if test "$pass" = "no" && test "$nettle" = "yes"; then
3014 feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3020 if test "$gcrypt" != "no"; then
3022 if has_libgcrypt; then
3023 gcrypt_cflags=$(libgcrypt-config --cflags)
3024 gcrypt_libs=$(libgcrypt-config --libs)
3025 # Debian has removed -lgpg-error from libgcrypt-config
3026 # as it "spreads unnecessary dependencies" which in
3027 # turn breaks static builds...
3028 if test "$static" = "yes"
3030 gcrypt_libs="$gcrypt_libs -lgpg-error"
3033 # Link test to make sure the given libraries work (e.g for static).
3035 if compile_prog "" "$gcrypt_libs" ; then
3036 LIBS="$gcrypt_libs $LIBS"
3037 QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
3041 if test "$pass" = "yes"; then
3046 gcry_mac_hd_t handle;
3047 gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3048 GCRY_MAC_FLAG_SECURE, NULL);
3052 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3058 gcry_cipher_hd_t handle;
3059 gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3063 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3067 elif test "$gcrypt" = "yes"; then
3068 feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3075 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3077 error_exit "Only one of gcrypt & nettle can be enabled"
3080 ##########################################
3081 # libtasn1 - only for the TLS creds/session test suite
3086 if $pkg_config --exists "libtasn1"; then
3087 tasn1_cflags=$($pkg_config --cflags libtasn1)
3088 tasn1_libs=$($pkg_config --libs libtasn1)
3094 ##########################################
3097 if test "$auth_pam" != "no"; then
3099 #include <security/pam_appl.h>
3102 const char *service_name = "qemu";
3103 const char *user = "frank";
3104 const struct pam_conv pam_conv = { 0 };
3105 pam_handle_t *pamh = NULL;
3106 pam_start(service_name, user, &pam_conv, &pamh);
3110 if compile_prog "" "-lpam" ; then
3113 if test "$auth_pam" = "yes"; then
3114 feature_not_found "PAM" "Install PAM development package"
3121 ##########################################
3122 # getifaddrs (for tests/test-io-channel-socket )
3125 if ! check_include "ifaddrs.h" ; then
3129 ##########################################
3132 if test "$vte" != "no"; then
3133 vteminversion="0.32.0"
3134 if $pkg_config --exists "vte-2.91"; then
3135 vtepackage="vte-2.91"
3137 vtepackage="vte-2.90"
3139 if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3140 vte_cflags=$($pkg_config --cflags $vtepackage)
3141 vte_libs=$($pkg_config --libs $vtepackage)
3142 vteversion=$($pkg_config --modversion $vtepackage)
3144 elif test "$vte" = "yes"; then
3145 feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3151 ##########################################
3154 # Look for sdl configuration program (pkg-config or sdl2-config). Try
3155 # sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3159 if $pkg_config sdl2 --exists; then
3160 sdlconfig="$pkg_config sdl2"
3161 sdlversion=$($sdlconfig --modversion 2>/dev/null)
3162 elif has "$sdl2_config"; then
3163 sdlconfig="$sdl2_config"
3164 sdlversion=$($sdlconfig --version)
3166 if test "$sdl" = "yes" ; then
3167 feature_not_found "sdl" "Install SDL2-devel"
3170 # no need to do the rest
3173 if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3174 echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3179 #undef main /* We don't want SDL to override our main() */
3180 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3182 sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3183 sdl_cflags="$sdl_cflags -Wno-undef" # workaround 2.0.8 bug
3184 if test "$static" = "yes" ; then
3185 if $pkg_config sdl2 --exists; then
3186 sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3188 sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3191 sdl_libs=$($sdlconfig --libs 2>/dev/null)
3193 if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3196 # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3197 if test "$sdl" = "yes" && test "$static" = "yes" ; then
3198 if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3199 sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3200 sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3202 if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3208 else # sdl not found
3209 if test "$sdl" = "yes" ; then
3210 feature_not_found "sdl" "Install SDL2 devel"
3213 fi # sdl compile test
3218 if test "$sdl_image" != "no" ; then
3219 if $pkg_config SDL2_image --exists; then
3220 if test "$static" = "yes"; then
3221 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3223 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3225 sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3228 sdl_cflags="$sdl_cflags $sdl_image_cflags"
3229 sdl_libs="$sdl_libs $sdl_image_libs"
3231 if test "$sdl_image" = "yes" ; then
3232 feature_not_found "sdl_image" "Install SDL Image devel"
3240 if test "$sdl" != "no" ; then
3244 if test "$sdl" = "yes" ; then
3247 if test "$sdl_image" = "yes"; then
3248 echo "warning: SDL Image requested, but SDL is not available, disabling"
3253 if test "$sdl" = "yes" ; then
3256 #if defined(SDL_VIDEO_DRIVER_X11)
3257 #include <X11/XKBlib.h>
3259 #error No x11 support
3261 int main(void) { return 0; }
3263 if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3265 sdl_cflags="$sdl_cflags $x11_cflags"
3266 sdl_libs="$sdl_libs $x11_libs"
3270 ##########################################
3271 # RDMA needs OpenFabrics libraries
3272 if test "$rdma" != "no" ; then
3274 #include <rdma/rdma_cma.h>
3275 int main(void) { return 0; }
3277 rdma_libs="-lrdmacm -libverbs -libumad"
3278 if compile_prog "" "$rdma_libs" ; then
3280 libs_softmmu="$libs_softmmu $rdma_libs"
3282 if test "$rdma" = "yes" ; then
3284 " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3286 " (1) Fast: Install infiniband packages (devel) from your distro." \
3287 " (2) Cleanest: Install libraries from www.openfabrics.org" \
3288 " (3) Also: Install softiwarp if you don't have RDMA hardware"
3294 ##########################################
3297 cat > $TMPC <<EOF &&
3298 #include <sys/mman.h>
3305 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3311 if test "$rdma" = "yes" ; then
3314 if compile_prog "" ""; then
3321 if ! compile_prog "" ""; then
3322 error_exit "PVRDMA is not supported since mremap is not implemented"
3331 if test "$pvrdma" = "yes" ; then
3332 error_exit "PVRDMA requires rdma suppport"
3337 # Let's see if enhanced reg_mr is supported
3338 if test "$pvrdma" = "yes" ; then
3340 cat > $TMPC <<EOF &&
3341 #include <infiniband/verbs.h>
3347 struct ibv_pd *pd = NULL;
3353 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3360 if ! compile_prog "" "-libverbs"; then
3361 QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3365 ##########################################
3366 # VNC SASL detection
3367 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3369 #include <sasl/sasl.h>
3371 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3373 # Assuming Cyrus-SASL installed in /usr prefix
3374 # QEMU defines struct iovec in "qemu/osdep.h",
3375 # we don't want libsasl to redefine it in <sasl/sasl.h>.
3376 vnc_sasl_cflags="-DSTRUCT_IOVEC_DEFINED"
3377 vnc_sasl_libs="-lsasl2"
3378 if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3380 libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3381 QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3383 if test "$vnc_sasl" = "yes" ; then
3384 feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3390 ##########################################
3391 # VNC JPEG detection
3392 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3395 #include <jpeglib.h>
3396 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3399 vnc_jpeg_libs="-ljpeg"
3400 if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3402 libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3403 QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3405 if test "$vnc_jpeg" = "yes" ; then
3406 feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3412 ##########################################
3414 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3416 //#include <stdio.h>
3420 png_structp png_ptr;
3421 png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3422 return png_ptr != 0;
3425 if $pkg_config libpng --exists; then
3426 vnc_png_cflags=$($pkg_config libpng --cflags)
3427 vnc_png_libs=$($pkg_config libpng --libs)
3430 vnc_png_libs="-lpng"
3432 if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3434 libs_softmmu="$vnc_png_libs $libs_softmmu"
3435 QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3437 if test "$vnc_png" = "yes" ; then
3438 feature_not_found "vnc-png" "Install libpng devel"
3444 ##########################################
3446 if test "$xkbcommon" != "no" ; then
3447 if $pkg_config xkbcommon --exists; then
3448 xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3449 xkbcommon_libs=$($pkg_config xkbcommon --libs)
3452 if test "$xkbcommon" = "yes" ; then
3453 feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3460 ##########################################
3461 # xfsctl() probe, used for file-posix.c
3462 if test "$xfs" != "no" ; then
3464 #include <stddef.h> /* NULL */
3465 #include <xfs/xfs.h>
3468 xfsctl(NULL, 0, 0, NULL);
3472 if compile_prog "" "" ; then
3475 if test "$xfs" = "yes" ; then
3476 feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3482 ##########################################
3483 # vde libraries probe
3484 if test "$vde" != "no" ; then
3485 vde_libs="-lvdeplug"
3487 #include <libvdeplug.h>
3490 struct vde_open_args a = {0, 0, 0};
3496 if compile_prog "" "$vde_libs" ; then
3499 if test "$vde" = "yes" ; then
3500 feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3506 ##########################################
3507 # netmap support probe
3508 # Apart from looking for netmap headers, we make sure that the host API version
3509 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3510 # a minor/major version number. Minor new features will be marked with values up
3511 # to 15, and if something happens that requires a change to the backend we will
3512 # move above 15, submit the backend fixes and modify this two bounds.
3513 if test "$netmap" != "no" ; then
3515 #include <inttypes.h>
3517 #include <net/netmap.h>
3518 #include <net/netmap_user.h>
3519 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3522 int main(void) { return 0; }
3524 if compile_prog "" "" ; then
3527 if test "$netmap" = "yes" ; then
3528 feature_not_found "netmap"
3534 ##########################################
3535 # libcap-ng library probe
3536 if test "$cap_ng" != "no" ; then
3542 capng_capability_to_name(CAPNG_EFFECTIVE);
3546 if compile_prog "" "$cap_libs" ; then
3548 libs_tools="$cap_libs $libs_tools"
3550 if test "$cap_ng" = "yes" ; then
3551 feature_not_found "cap_ng" "Install libcap-ng devel"
3557 ##########################################
3558 # Sound support libraries probe
3560 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3561 for drv in $audio_drv_list; do
3564 if $pkg_config alsa --exists; then
3565 alsa_libs=$($pkg_config alsa --libs)
3566 if test "$drv" = "try-alsa"; then
3567 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3570 if test "$drv" = "try-alsa"; then
3571 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3573 error_exit "$drv check failed" \
3574 "Make sure to have the $drv libs and headers installed."
3580 if $pkg_config libpulse --exists; then
3581 pulse_libs=$($pkg_config libpulse --libs)
3582 if test "$drv" = "try-pa"; then
3583 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3586 if test "$drv" = "try-pa"; then
3587 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3589 error_exit "$drv check failed" \
3590 "Make sure to have the $drv libs and headers installed."
3596 if test "$sdl" = "no"; then
3597 error_exit "sdl not found or disabled, can not use sdl audio driver"
3602 if test "$sdl" = "no"; then
3603 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3605 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3610 coreaudio_libs="-framework CoreAudio"
3614 dsound_libs="-lole32 -ldxguid"
3623 echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3624 error_exit "Unknown driver '$drv' selected" \
3625 "Possible drivers are: $audio_possible_drivers"
3631 ##########################################
3634 if test "$brlapi" != "no" ; then
3635 brlapi_libs="-lbrlapi"
3639 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3641 if compile_prog "" "$brlapi_libs" ; then
3644 if test "$brlapi" = "yes" ; then
3645 feature_not_found "brlapi" "Install brlapi devel"
3651 ##########################################
3653 if test "$iconv" != "no" ; then
3657 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3658 return conv != (iconv_t) -1;
3661 iconv_prefix_list="/usr/local:/usr"
3662 iconv_lib_list=":-liconv"
3664 for iconv_prefix in $iconv_prefix_list; do
3666 iconv_cflags="-I$iconv_prefix/include"
3667 iconv_ldflags="-L$iconv_prefix/lib"
3668 for iconv_link in $iconv_lib_list; do
3670 iconv_lib="$iconv_ldflags $iconv_link"
3671 echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3672 if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3677 if test "$iconv_found" = yes ; then
3681 if test "$iconv_found" = "yes" ; then
3684 if test "$iconv" = "yes" ; then
3685 feature_not_found "iconv" "Install iconv devel"
3691 ##########################################
3693 if test "$iconv" = "no" ; then
3694 # curses will need iconv
3697 if test "$curses" != "no" ; then
3698 if test "$mingw32" = "yes" ; then
3699 curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3700 curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3702 curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3703 curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3710 #include <langinfo.h>
3712 const char *codeset;
3714 setlocale(LC_ALL, "");
3716 addwstr(L"wide chars\n");
3718 add_wch(WACS_DEGREE);
3719 codeset = nl_langinfo(CODESET);
3720 return codeset != 0;
3724 for curses_inc in $curses_inc_list; do
3725 # Make sure we get the wide character prototypes
3726 curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3728 for curses_lib in $curses_lib_list; do
3730 if compile_prog "$curses_inc" "$curses_lib" ; then
3735 if test "$curses_found" = yes ; then
3740 if test "$curses_found" = "yes" ; then
3743 if test "$curses" = "yes" ; then
3744 feature_not_found "curses" "Install ncurses devel"
3750 ##########################################
3752 if test "$curl" != "no" ; then
3753 if $pkg_config libcurl --exists; then
3754 curlconfig="$pkg_config libcurl"
3756 curlconfig=curl-config
3759 #include <curl/curl.h>
3760 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3762 curl_cflags=$($curlconfig --cflags 2>/dev/null)
3763 curl_libs=$($curlconfig --libs 2>/dev/null)
3764 if compile_prog "$curl_cflags" "$curl_libs" ; then
3767 if test "$curl" = "yes" ; then
3768 feature_not_found "curl" "Install libcurl devel"
3774 ##########################################
3775 # glib support probe
3778 glib_modules=gthread-2.0
3779 if test "$modules" = yes; then
3780 glib_modules="$glib_modules gmodule-export-2.0"
3782 if test "$plugins" = yes; then
3783 glib_modules="$glib_modules gmodule-2.0"
3786 # This workaround is required due to a bug in pkg-config file for glib as it
3787 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3789 if test "$static" = yes && test "$mingw32" = yes; then
3790 QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3793 for i in $glib_modules; do
3794 if $pkg_config --atleast-version=$glib_req_ver $i; then
3795 glib_cflags=$($pkg_config --cflags $i)
3796 glib_libs=$($pkg_config --libs $i)
3797 QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3798 LIBS="$glib_libs $LIBS"
3799 libs_qga="$glib_libs $libs_qga"
3801 error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3805 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3807 gio_cflags=$($pkg_config --cflags gio-2.0)
3808 gio_libs=$($pkg_config --libs gio-2.0)
3809 gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3810 if [ ! -x "$gdbus_codegen" ]; then
3817 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3818 gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3819 gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3822 # Sanity check that the current size_t matches the
3823 # size that glib thinks it should be. This catches
3824 # problems on multi-arch where people try to build
3825 # 32-bit QEMU while pointing at 64-bit glib headers
3830 #define QEMU_BUILD_BUG_ON(x) \
3831 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3834 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3839 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3840 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3841 "You probably need to set PKG_CONFIG_LIBDIR"\
3842 "to point to the right pkg-config files for your"\
3846 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3849 int main(void) { return 0; }
3851 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3852 if cc_has_warning_flag "-Wno-unknown-attributes"; then
3853 glib_cflags="-Wno-unknown-attributes $glib_cflags"
3854 CFLAGS="-Wno-unknown-attributes $CFLAGS"
3858 #########################################
3861 if test "$zlib" != "no" ; then
3862 if $pkg_config --exists zlib; then
3863 zlib_cflags=$($pkg_config --cflags zlib)
3864 zlib_libs=$($pkg_config --libs zlib)
3865 QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3866 LIBS="$zlib_libs $LIBS"
3870 int main(void) { zlibVersion(); return 0; }
3872 if compile_prog "" "-lz" ; then
3875 error_exit "zlib check failed" \
3876 "Make sure to have the zlib libs and headers installed."
3881 ##########################################
3882 # SHA command probe for modules
3883 if test "$modules" = yes; then
3884 shacmd_probe="sha1sum sha1 shasum"
3885 for c in $shacmd_probe; do
3891 if test "$shacmd" = ""; then
3892 error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3896 ##########################################
3897 # pixman support probe
3899 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3902 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3903 pixman_cflags=$($pkg_config --cflags pixman-1)
3904 pixman_libs=$($pkg_config --libs pixman-1)
3906 error_exit "pixman >= 0.21.8 not present." \
3907 "Please install the pixman devel package."
3910 ##########################################
3911 # libmpathpersist probe
3913 if test "$mpath" != "no" ; then
3914 # probe for the new API
3916 #include <libudev.h>
3917 #include <mpath_persist.h>
3918 unsigned mpath_mx_alloc_len = 1024;
3920 static struct config *multipath_conf;
3921 extern struct udev *udev;
3922 extern struct config *get_multipath_config(void);
3923 extern void put_multipath_config(struct config *conf);
3925 struct config *get_multipath_config(void) { return multipath_conf; }
3926 void put_multipath_config(struct config *conf) { }
3930 multipath_conf = mpath_lib_init();
3934 if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3936 mpathpersist_new_api=yes
3938 # probe for the old API
3940 #include <libudev.h>
3941 #include <mpath_persist.h>
3942 unsigned mpath_mx_alloc_len = 1024;
3945 struct udev *udev = udev_new();
3946 mpath_lib_init(udev);
3950 if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3952 mpathpersist_new_api=no
3961 ##########################################
3963 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3967 #include <pthread.h>
3968 static void *f(void *p) { return NULL; }
3971 pthread_create(&thread, 0, f, 0);
3975 if compile_prog "" "" ; then
3978 for pthread_lib in $PTHREADLIBS_LIST; do
3979 if compile_prog "" "$pthread_lib" ; then
3982 for lib_entry in $LIBS; do
3983 if test "$lib_entry" = "$pthread_lib"; then
3988 if test "$found" = "no"; then
3989 LIBS="$pthread_lib $LIBS"
3990 libs_qga="$pthread_lib $libs_qga"
3992 PTHREAD_LIB="$pthread_lib"
3998 if test "$mingw32" != yes && test "$pthread" = no; then
3999 error_exit "pthread check failed" \
4000 "Make sure to have the pthread libs and headers installed."
4003 # check for pthread_setname_np with thread id
4004 pthread_setname_np_w_tid=no
4006 #include <pthread.h>
4008 static void *f(void *p) { return NULL; }
4012 pthread_create(&thread, 0, f, 0);
4013 pthread_setname_np(thread, "QEMU");
4017 if compile_prog "" "$pthread_lib" ; then
4018 pthread_setname_np_w_tid=yes
4021 # check for pthread_setname_np without thread id
4022 pthread_setname_np_wo_tid=no
4024 #include <pthread.h>
4026 static void *f(void *p) { pthread_setname_np("QEMU"); }
4030 pthread_create(&thread, 0, f, 0);
4034 if compile_prog "" "$pthread_lib" ; then
4035 pthread_setname_np_wo_tid=yes
4038 ##########################################
4040 if test "$rbd" != "no" ; then
4043 #include <rbd/librbd.h>
4046 rados_create(&cluster, NULL);
4050 rbd_libs="-lrbd -lrados"
4051 if compile_prog "" "$rbd_libs" ; then
4054 if test "$rbd" = "yes" ; then
4055 feature_not_found "rados block device" "Install librbd/ceph devel"
4061 ##########################################
4063 if test "$libssh" != "no" ; then
4064 if $pkg_config --exists libssh; then
4065 libssh_cflags=$($pkg_config libssh --cflags)
4066 libssh_libs=$($pkg_config libssh --libs)
4069 if test "$libssh" = "yes" ; then
4070 error_exit "libssh required for --enable-libssh"
4076 ##########################################
4077 # Check for libssh 0.8
4078 # This is done like this instead of using the LIBSSH_VERSION_* and
4079 # SSH_VERSION_* macros because some distributions in the past shipped
4080 # snapshots of the future 0.8 from Git, and those snapshots did not
4081 # have updated version numbers (still referring to 0.7.0).
4083 if test "$libssh" = "yes"; then
4085 #include <libssh/libssh.h>
4086 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4088 if compile_prog "$libssh_cflags" "$libssh_libs"; then
4089 libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4093 ##########################################
4096 if test "$linux_aio" != "no" ; then
4099 #include <sys/eventfd.h>
4101 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4103 if compile_prog "" "-laio" ; then
4106 if test "$linux_aio" = "yes" ; then
4107 feature_not_found "linux AIO" "Install libaio devel"
4112 ##########################################
4113 # linux-io-uring probe
4115 if test "$linux_io_uring" != "no" ; then
4116 if $pkg_config liburing; then
4117 linux_io_uring_cflags=$($pkg_config --cflags liburing)
4118 linux_io_uring_libs=$($pkg_config --libs liburing)
4121 # io_uring is used in libqemuutil.a where per-file -libs variables are not
4122 # seen by programs linking the archive. It's not ideal, but just add the
4123 # library dependency globally.
4124 LIBS="$linux_io_uring_libs $LIBS"
4126 if test "$linux_io_uring" = "yes" ; then
4127 feature_not_found "linux io_uring" "Install liburing devel"
4133 ##########################################
4134 # TPM emulation is only on POSIX
4136 if test "$tpm" = ""; then
4137 if test "$mingw32" = "yes"; then
4142 elif test "$tpm" = "yes"; then
4143 if test "$mingw32" = "yes" ; then
4144 error_exit "TPM emulation only available on POSIX systems"
4148 ##########################################
4151 if test "$attr" != "no" ; then
4154 #include <sys/types.h>
4155 #ifdef CONFIG_LIBATTR
4156 #include <attr/xattr.h>
4158 #include <sys/xattr.h>
4160 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4162 if compile_prog "" "" ; then
4164 # Older distros have <attr/xattr.h>, and need -lattr:
4165 elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4170 if test "$attr" = "yes" ; then
4171 feature_not_found "ATTR" "Install libc6 or libattr devel"
4177 ##########################################
4180 #include <sys/types.h>
4181 #include <sys/uio.h>
4183 int main(void) { return sizeof(struct iovec); }
4186 if compile_prog "" "" ; then
4190 ##########################################
4193 #include <sys/types.h>
4194 #include <sys/uio.h>
4196 int main(void) { return preadv(0, 0, 0, 0); }
4199 if compile_prog "" "" ; then
4203 ##########################################
4205 # fdt support is mandatory for at least some target architectures,
4206 # so insist on it if we're building those system emulators.
4208 for target in $target_list; do
4210 aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4216 if test "$fdt_required" = "yes"; then
4217 if test "$fdt" = "no"; then
4218 error_exit "fdt disabled but some requested targets require it." \
4219 "You can turn off fdt only if you also disable all the system emulation" \
4220 "targets which need it (by specifying a cut down --target-list)."