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 # make source path absolute
15 source_path=$(cd "$(dirname -- "$0")"; pwd)
17 if test "$PWD" = "$source_path"
19 echo "Using './build' as the directory for build output"
21 MARKER=build/auto-created-by-configure
29 echo "ERROR: ./build dir already exists and was not previously created by configure"
37 cat > GNUmakefile <<'EOF'
38 # This file is auto-generated by configure to support in-source tree
39 # 'make' command invocation
41 ifeq ($(MAKECMDGOALS),)
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 ; \
52 rm -rf build GNUmakefile ; \
60 exec $source_path/configure "$@"
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.)
72 echo "ERROR: failed to create temporary directory"
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"
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
90 echo "#" >> config.log
95 while test -n "$2"; do
108 # Run the compiler, capturing its output to the log. First argument
109 # is compiler binary to execute.
112 if test -n "$BASH_VERSION"; then eval '
114 funcs: ${FUNCNAME[*]}
115 lines: ${BASH_LINENO[*]}"
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
126 # Don't bother rerunning the compile if we were already using -Werror
132 echo $compiler -Werror "$@" >> config.log
133 $compiler -Werror "$@" >> config.log 2>&1 && return $?
134 error_exit "configure test passed without -Werror but failed with -Werror." \
135 "This is probably a bug in the configure script. The failing command" \
136 "will be at the bottom of config.log." \
137 "You can run configure with --disable-werror to bypass this check."
141 do_compiler "$cc" "$@"
145 do_compiler "$cxx" "$@"
148 # Append $2 to the variable named $1, with space separation
150 eval $1=\${$1:+\"\$$1 \"}\$2
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="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
158 CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu99/-std=gnu++11/)
159 for arg in $QEMU_CFLAGS; do
161 -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
162 -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
165 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
173 do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
179 do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \
180 $LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags
183 # symbolically link $1 to $2. Portable version of "ln -sf".
186 mkdir -p "$(dirname "$2")"
190 # check whether a command is available to this shell (may be either an
191 # executable or a builtin)
193 type "$1" >/dev/null 2>&1
197 local_ver1=`echo $1 | tr . ' '`
198 local_ver2=`echo $2 | tr . ' '`
202 # 'shift 2' if $2 is set, or 'shift' if $2 is not set
206 # the second argument finished, the first must be greater or equal
207 test $# = 1 && return 0
208 test $local_first -lt $2 && return 1
209 test $local_first -gt $2 && return 0
216 echo "$trace_backends" | grep "$1" >/dev/null
220 eval test -z '"${1#'"$2"'}"'
224 $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
227 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
229 error_exit "main directory cannot contain spaces nor colons"
235 interp_prefix="/usr/gnemul/qemu-%M"
239 block_drv_rw_whitelist=""
240 block_drv_ro_whitelist=""
248 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
250 if test -e "$source_path/.git"
253 git_submodules="ui/keycodemapdb"
254 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
255 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
260 if ! test -f "$source_path/ui/keycodemapdb/README"
263 echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
265 echo "This is not a GIT checkout but module content appears to"
266 echo "be missing. Do not use 'git archive' or GitHub download links"
267 echo "to acquire QEMU source archives. Non-GIT builds are only"
268 echo "supported with source archives linked from:"
270 echo " https://www.qemu.org/download/#source"
272 echo "Developers working with GIT can use scripts/archive-source.sh"
273 echo "if they need to create valid source archives."
280 # Don't accept a target_list environment variable.
282 unset target_list_exclude
284 # Default value for a variable defining feature "foo".
285 # * foo="no" feature will only be used if --enable-foo arg is given
286 # * foo="" feature will be searched for, and if found, will be used
287 # unless --disable-foo is given
288 # * foo="yes" this value will only be set by --enable-foo flag.
289 # feature will searched for,
290 # if not found, configure exits with error
292 # Always add --enable-foo and --disable-foo command line args.
293 # Distributions want to ensure that several features are compiled in, and it
294 # is impossible without a --enable-foo that exits if a feature is not found.
318 xen_pci_passthrough="auto"
389 guest_agent_with_vss="no"
390 guest_agent_ntddscsi="no"
399 debug_stack_usage="no"
403 glusterfs_xlator_opt="no"
404 glusterfs_discard="no"
405 glusterfs_fallocate="no"
406 glusterfs_zerofill="no"
407 glusterfs_ftruncate_has_stat="no"
408 glusterfs_iocb_has_stat="no"
411 tls_priority="NORMAL"
418 qemu_private_xts="yes"
424 live_block_migration="yes"
441 default_devices="yes"
455 # parse CC options first
457 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
459 --cross-prefix=*) cross_prefix="$optarg"
463 --cxx=*) CXX="$optarg"
465 --cpu=*) cpu="$optarg"
467 --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
468 QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
470 --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
472 --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
473 EXTRA_LDFLAGS="$optarg"
475 --enable-debug-info) debug_info="yes"
477 --disable-debug-info) debug_info="no"
479 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
481 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
482 eval "cross_cc_cflags_${cc_arch}=\$optarg"
483 cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
485 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
486 cc_archs="$cc_archs $cc_arch"
487 eval "cross_cc_${cc_arch}=\$optarg"
488 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
493 # Using uname is really, really broken. Once we have the right set of checks
494 # we can eliminate its usage altogether.
496 # Preferred compiler:
498 # ${cross_prefix}gcc (if cross-prefix specified)
500 if test -z "${CC}${cross_prefix}"; then
503 cc="${CC-${cross_prefix}gcc}"
506 if test -z "${CXX}${cross_prefix}"; then
509 cxx="${CXX-${cross_prefix}g++}"
512 ar="${AR-${cross_prefix}ar}"
513 as="${AS-${cross_prefix}as}"
516 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
517 ld="${LD-${cross_prefix}ld}"
518 ranlib="${RANLIB-${cross_prefix}ranlib}"
519 nm="${NM-${cross_prefix}nm}"
520 strip="${STRIP-${cross_prefix}strip}"
521 windres="${WINDRES-${cross_prefix}windres}"
522 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
524 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
526 pkg_config=query_pkg_config
527 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
529 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
530 ARFLAGS="${ARFLAGS-rv}"
532 # default flags for all hosts
533 # We use -fwrapv to tell the compiler that we require a C dialect where
534 # left shift of signed integers is well defined and has the expected
535 # 2s-complement style results. (Both clang and gcc agree that it
536 # provides these semantics.)
537 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
538 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
539 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
540 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
542 # Flags that are needed during configure but later taken care of by Meson
543 CONFIGURE_CFLAGS="-std=gnu99 -Wall"
550 #error $1 not defined
552 int main(void) { return 0; }
560 int main(void) { return 0; }
567 int main(void) { return 0; }
571 write_c_fuzzer_skeleton() {
574 #include <sys/types.h>
575 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
576 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
580 if check_define __linux__ ; then
582 elif check_define _WIN32 ; then
584 elif check_define __OpenBSD__ ; then
586 elif check_define __sun__ ; then
588 elif check_define __HAIKU__ ; then
590 elif check_define __FreeBSD__ ; then
592 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
593 targetos='GNU/kFreeBSD'
594 elif check_define __DragonFly__ ; then
596 elif check_define __NetBSD__; then
598 elif check_define __APPLE__; then
601 # This is a fatal error, but don't report it yet, because we
602 # might be going to just print the --help text, or it might
603 # be the result of a missing compiler.
608 # Some host OSes need non-standard checks for which CPU to use.
609 # Note that these checks are broken for cross-compilation: if you're
610 # cross-compiling to one of these OSes then you'll need to specify
611 # the correct CPU with the --cpu option.
614 # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
615 # run 64-bit userspace code.
616 # If the user didn't specify a CPU explicitly and the kernel says this is
617 # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
618 if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
624 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
625 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
630 if test ! -z "$cpu" ; then
631 # command line argument
633 elif check_define __i386__ ; then
635 elif check_define __x86_64__ ; then
636 if check_define __ILP32__ ; then
641 elif check_define __sparc__ ; then
642 if check_define __arch64__ ; then
647 elif check_define _ARCH_PPC ; then
648 if check_define _ARCH_PPC64 ; then
649 if check_define _LITTLE_ENDIAN ; then
657 elif check_define __mips__ ; then
659 elif check_define __s390__ ; then
660 if check_define __s390x__ ; then
665 elif check_define __riscv ; then
666 if check_define _LP64 ; then
671 elif check_define __arm__ ; then
673 elif check_define __aarch64__ ; then
680 # Normalise host CPU name and set ARCH.
681 # Note that this case should only have supported host CPUs, not guests.
683 ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
688 i386|i486|i586|i686|i86pc|BePC)
707 # This will result in either an error or falling back to TCI later
711 if test -z "$ARCH"; then
721 audio_possible_drivers="dsound sdl"
722 if check_include dsound.h; then
723 audio_drv_list="dsound"
732 audio_drv_list="oss try-sdl"
733 audio_possible_drivers="oss sdl pa"
738 audio_drv_list="oss try-sdl"
739 audio_possible_drivers="oss sdl pa"
740 # needed for kinfo_getvmmap(3) in libutil.h
741 netmap="" # enable netmap autodetect
746 audio_drv_list="oss try-sdl"
747 audio_possible_drivers="oss sdl pa"
752 audio_drv_list="oss try-sdl"
753 audio_possible_drivers="oss sdl"
759 audio_drv_list="try-sdl"
760 audio_possible_drivers="sdl"
765 if [ "$cpu" = "x86_64" ] ; then
766 QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
767 QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
770 audio_drv_list="coreaudio try-sdl"
771 audio_possible_drivers="coreaudio sdl"
772 QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
773 # Disable attempts to use ObjectiveC features in os/object.h since they
774 # won't work when we're compiling with gcc as a C compiler.
775 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
780 smbd="${SMBD-/usr/sfw/sbin/smbd}"
781 if test -f /usr/include/sys/soundcard.h ; then
782 audio_drv_list="oss try-sdl"
784 audio_possible_drivers="oss sdl"
785 # needed for CMSG_ macros in sys/socket.h
786 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
787 # needed for TIOCWIN* defines in termios.h
788 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
792 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -DBSD_SOURCE $QEMU_CFLAGS"
795 audio_drv_list="try-pa oss"
796 audio_possible_drivers="oss alsa sdl pa"
802 if [ "$bsd" = "yes" ] ; then
803 if [ "$darwin" != "yes" ] ; then
808 : ${make=${MAKE-make}}
810 # We prefer python 3.x. A bare 'python' is traditionally
811 # python 2.x, but some distros have it as python 3.x, so
815 for binary in "${PYTHON-python3}" python
819 python=$(command -v "$binary")
825 # Check for ancillary tools used in testing
827 for binary in genisoimage mkisofs
831 genisoimage=$(command -v "$binary")
836 : ${smbd=${SMBD-/usr/sbin/smbd}}
838 # Default objcc to clang if available, otherwise use CC
845 if test "$mingw32" = "yes" ; then
848 # MinGW needs -mthreads for TLS and macro _MT.
849 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
853 libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
859 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
861 --help|-h) show_help=yes
863 --version|-V) exec cat $source_path/VERSION
865 --prefix=*) prefix="$optarg"
867 --interp-prefix=*) interp_prefix="$optarg"
873 --host-cc=*) host_cc="$optarg"
877 --iasl=*) iasl="$optarg"
879 --objcc=*) objcc="$optarg"
881 --make=*) make="$optarg"
885 --python=*) python="$optarg" ; explicit_python=yes
887 --sphinx-build=*) sphinx_build="$optarg"
889 --skip-meson) skip_meson=yes
891 --meson=*) meson="$optarg"
893 --ninja=*) ninja="$optarg"
895 --smbd=*) smbd="$optarg"
905 --disable-debug-info)
915 --disable-module-upgrades) module_upgrades="no"
917 --enable-module-upgrades) module_upgrades="yes"
921 --target-list=*) target_list="$optarg"
922 if test "$target_list_exclude"; then
923 error_exit "Can't mix --target-list with --target-list-exclude"
926 --target-list-exclude=*) target_list_exclude="$optarg"
927 if test "$target_list"; then
928 error_exit "Can't mix --target-list-exclude with --target-list"
931 --enable-trace-backends=*) trace_backends="$optarg"
933 # XXX: backwards compatibility
934 --enable-trace-backend=*) trace_backends="$optarg"
936 --with-trace-file=*) trace_file="$optarg"
938 --with-default-devices) default_devices="yes"
940 --without-default-devices) default_devices="no"
942 --enable-gprof) gprof="yes"
944 --enable-gcov) gcov="yes"
948 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
950 --mandir=*) mandir="$optarg"
952 --bindir=*) bindir="$optarg"
954 --libdir=*) libdir="$optarg"
956 --libexecdir=*) libexecdir="$optarg"
958 --includedir=*) includedir="$optarg"
960 --datadir=*) datadir="$optarg"
962 --with-suffix=*) qemu_suffix="$optarg"
964 --docdir=*) docdir="$optarg"
966 --localedir=*) localedir="$optarg"
968 --sysconfdir=*) sysconfdir="$optarg"
970 --localstatedir=*) local_statedir="$optarg"
972 --firmwarepath=*) firmwarepath="$optarg"
975 --disable-dependency-tracking|\
976 --sbindir=*|--sharedstatedir=*|\
977 --oldincludedir=*|--datarootdir=*|--infodir=*|\
978 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
979 # These switches are silently ignored, for compatibility with
980 # autoconf-generated configure scripts. This allows QEMU's
981 # configure to be used by RPM and similar macros that set
982 # lots of directory switches by default.
984 --disable-sdl) sdl="disabled"
986 --enable-sdl) sdl="enabled"
988 --disable-sdl-image) sdl_image="disabled"
990 --enable-sdl-image) sdl_image="enabled"
992 --disable-qom-cast-debug) qom_cast_debug="no"
994 --enable-qom-cast-debug) qom_cast_debug="yes"
996 --disable-virtfs) virtfs="no"
998 --enable-virtfs) virtfs="yes"
1000 --disable-libudev) libudev="disabled"
1002 --enable-libudev) libudev="enabled"
1004 --disable-virtiofsd) virtiofsd="disabled"
1006 --enable-virtiofsd) virtiofsd="enabled"
1008 --disable-mpath) mpath="disabled"
1010 --enable-mpath) mpath="enabled"
1012 --disable-vnc) vnc="disabled"
1014 --enable-vnc) vnc="enabled"
1016 --disable-gettext) gettext="false"
1018 --enable-gettext) gettext="true"
1020 --oss-lib=*) oss_lib="$optarg"
1022 --audio-drv-list=*) audio_drv_list="$optarg"
1024 --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1026 --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1028 --enable-debug-tcg) debug_tcg="yes"
1030 --disable-debug-tcg) debug_tcg="no"
1033 # Enable debugging options that aren't excessively noisy
1040 --enable-sanitizers) sanitizers="yes"
1042 --disable-sanitizers) sanitizers="no"
1044 --enable-tsan) tsan="yes"
1046 --disable-tsan) tsan="no"
1048 --enable-sparse) sparse="enabled"
1050 --disable-sparse) sparse="disabled"
1052 --disable-strip) strip_opt="no"
1054 --disable-vnc-sasl) vnc_sasl="disabled"
1056 --enable-vnc-sasl) vnc_sasl="enabled"
1058 --disable-vnc-jpeg) vnc_jpeg="disabled"
1060 --enable-vnc-jpeg) vnc_jpeg="enabled"
1062 --disable-vnc-png) vnc_png="disabled"
1064 --enable-vnc-png) vnc_png="enabled"
1066 --disable-slirp) slirp="disabled"
1068 --enable-slirp=git) slirp="internal"
1070 --enable-slirp=system) slirp="system"
1072 --disable-vde) vde="no"
1074 --enable-vde) vde="yes"
1076 --disable-netmap) netmap="no"
1078 --enable-netmap) netmap="yes"
1080 --disable-xen) xen="disabled"
1082 --enable-xen) xen="enabled"
1084 --disable-xen-pci-passthrough) xen_pci_passthrough="disabled"
1086 --enable-xen-pci-passthrough) xen_pci_passthrough="enabled"
1088 --disable-brlapi) brlapi="no"
1090 --enable-brlapi) brlapi="yes"
1092 --disable-kvm) kvm="disabled"
1094 --enable-kvm) kvm="enabled"
1096 --disable-hax) hax="disabled"
1098 --enable-hax) hax="enabled"
1100 --disable-hvf) hvf="disabled"
1102 --enable-hvf) hvf="enabled"
1104 --disable-whpx) whpx="disabled"
1106 --enable-whpx) whpx="enabled"
1108 --disable-tcg-interpreter) tcg_interpreter="no"
1110 --enable-tcg-interpreter) tcg_interpreter="yes"
1112 --disable-cap-ng) cap_ng="no"
1114 --enable-cap-ng) cap_ng="yes"
1116 --disable-tcg) tcg="disabled"
1118 --enable-tcg) tcg="enabled"
1120 --disable-malloc-trim) malloc_trim="disabled"
1122 --enable-malloc-trim) malloc_trim="enabled"
1124 --disable-spice) spice="no"
1126 --enable-spice) spice="yes"
1128 --disable-libiscsi) libiscsi="no"
1130 --enable-libiscsi) libiscsi="yes"
1132 --disable-libnfs) libnfs="no"
1134 --enable-libnfs) libnfs="yes"
1136 --enable-profiler) profiler="yes"
1138 --disable-cocoa) cocoa="disabled"
1142 audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1144 --disable-system) softmmu="no"
1146 --enable-system) softmmu="yes"
1153 --disable-linux-user) linux_user="no"
1155 --enable-linux-user) linux_user="yes"
1157 --disable-bsd-user) bsd_user="no"
1159 --enable-bsd-user) bsd_user="yes"
1161 --enable-pie) pie="yes"
1163 --disable-pie) pie="no"
1165 --enable-werror) werror="yes"
1167 --disable-werror) werror="no"
1169 --enable-stack-protector) stack_protector="yes"
1171 --disable-stack-protector) stack_protector="no"
1173 --enable-safe-stack) safe_stack="yes"
1175 --disable-safe-stack) safe_stack="no"
1177 --disable-curses) curses="disabled"
1179 --enable-curses) curses="enabled"
1181 --disable-iconv) iconv="disabled"
1183 --enable-iconv) iconv="enabled"
1185 --disable-curl) curl="no"
1187 --enable-curl) curl="yes"
1189 --disable-fdt) fdt="disabled"
1191 --enable-fdt) fdt="enabled"
1193 --enable-fdt=git) fdt="internal"
1195 --enable-fdt=system) fdt="system"
1197 --disable-linux-aio) linux_aio="no"
1199 --enable-linux-aio) linux_aio="yes"
1201 --disable-linux-io-uring) linux_io_uring="no"
1203 --enable-linux-io-uring) linux_io_uring="yes"
1205 --disable-attr) attr="no"
1207 --enable-attr) attr="yes"
1209 --disable-membarrier) membarrier="no"
1211 --enable-membarrier) membarrier="yes"
1213 --disable-blobs) blobs="false"
1215 --with-pkgversion=*) pkgversion="$optarg"
1217 --with-coroutine=*) coroutine="$optarg"
1219 --disable-coroutine-pool) coroutine_pool="no"
1221 --enable-coroutine-pool) coroutine_pool="yes"
1223 --enable-debug-stack-usage) debug_stack_usage="yes"
1225 --enable-crypto-afalg) crypto_afalg="yes"
1227 --disable-crypto-afalg) crypto_afalg="no"
1229 --disable-docs) docs="disabled"
1231 --enable-docs) docs="enabled"
1233 --disable-vhost-net) vhost_net="no"
1235 --enable-vhost-net) vhost_net="yes"
1237 --disable-vhost-crypto) vhost_crypto="no"
1239 --enable-vhost-crypto) vhost_crypto="yes"
1241 --disable-vhost-scsi) vhost_scsi="no"
1243 --enable-vhost-scsi) vhost_scsi="yes"
1245 --disable-vhost-vsock) vhost_vsock="no"
1247 --enable-vhost-vsock) vhost_vsock="yes"
1249 --disable-vhost-user-fs) vhost_user_fs="no"
1251 --enable-vhost-user-fs) vhost_user_fs="yes"
1253 --disable-opengl) opengl="no"
1255 --enable-opengl) opengl="yes"
1257 --disable-rbd) rbd="no"
1259 --enable-rbd) rbd="yes"
1261 --disable-xfsctl) xfs="no"
1263 --enable-xfsctl) xfs="yes"
1265 --disable-smartcard) smartcard="no"
1267 --enable-smartcard) smartcard="yes"
1269 --disable-u2f) u2f="disabled"
1271 --enable-u2f) u2f="enabled"
1273 --disable-libusb) libusb="no"
1275 --enable-libusb) libusb="yes"
1277 --disable-usb-redir) usb_redir="no"
1279 --enable-usb-redir) usb_redir="yes"
1281 --disable-zlib-test)
1283 --disable-lzo) lzo="no"
1285 --enable-lzo) lzo="yes"
1287 --disable-snappy) snappy="no"
1289 --enable-snappy) snappy="yes"
1291 --disable-bzip2) bzip2="no"
1293 --enable-bzip2) bzip2="yes"
1295 --enable-lzfse) lzfse="yes"
1297 --disable-lzfse) lzfse="no"
1299 --disable-zstd) zstd="no"
1301 --enable-zstd) zstd="yes"
1303 --enable-guest-agent) guest_agent="yes"
1305 --disable-guest-agent) guest_agent="no"
1307 --enable-guest-agent-msi) guest_agent_msi="yes"
1309 --disable-guest-agent-msi) guest_agent_msi="no"
1311 --with-vss-sdk) vss_win32_sdk=""
1313 --with-vss-sdk=*) vss_win32_sdk="$optarg"
1315 --without-vss-sdk) vss_win32_sdk="no"
1317 --with-win-sdk) win_sdk=""
1319 --with-win-sdk=*) win_sdk="$optarg"
1321 --without-win-sdk) win_sdk="no"
1323 --enable-tools) want_tools="yes"
1325 --disable-tools) want_tools="no"
1327 --enable-seccomp) seccomp="yes"
1329 --disable-seccomp) seccomp="no"
1331 --disable-glusterfs) glusterfs="no"
1333 --disable-avx2) avx2_opt="no"
1335 --enable-avx2) avx2_opt="yes"
1337 --disable-avx512f) avx512f_opt="no"
1339 --enable-avx512f) avx512f_opt="yes"
1342 --enable-glusterfs) glusterfs="yes"
1344 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1345 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1347 --enable-vhdx|--disable-vhdx)
1348 echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1350 --enable-uuid|--disable-uuid)
1351 echo "$0: $opt is obsolete, UUID support is always built" >&2
1353 --disable-gtk) gtk="no"
1355 --enable-gtk) gtk="yes"
1357 --tls-priority=*) tls_priority="$optarg"
1359 --disable-gnutls) gnutls="no"
1361 --enable-gnutls) gnutls="yes"
1363 --disable-nettle) nettle="no"
1365 --enable-nettle) nettle="yes"
1367 --disable-gcrypt) gcrypt="no"
1369 --enable-gcrypt) gcrypt="yes"
1371 --disable-auth-pam) auth_pam="no"
1373 --enable-auth-pam) auth_pam="yes"
1375 --enable-rdma) rdma="yes"
1377 --disable-rdma) rdma="no"
1379 --enable-pvrdma) pvrdma="yes"
1381 --disable-pvrdma) pvrdma="no"
1383 --disable-vte) vte="no"
1385 --enable-vte) vte="yes"
1387 --disable-virglrenderer) virglrenderer="no"
1389 --enable-virglrenderer) virglrenderer="yes"
1391 --disable-tpm) tpm="no"
1393 --enable-tpm) tpm="yes"
1395 --disable-libssh) libssh="no"
1397 --enable-libssh) libssh="yes"
1399 --disable-live-block-migration) live_block_migration="no"
1401 --enable-live-block-migration) live_block_migration="yes"
1403 --disable-numa) numa="no"
1405 --enable-numa) numa="yes"
1407 --disable-libxml2) libxml2="no"
1409 --enable-libxml2) libxml2="yes"
1411 --disable-tcmalloc) tcmalloc="no"
1413 --enable-tcmalloc) tcmalloc="yes"
1415 --disable-jemalloc) jemalloc="no"
1417 --enable-jemalloc) jemalloc="yes"
1419 --disable-replication) replication="no"
1421 --enable-replication) replication="yes"
1423 --disable-bochs) bochs="no"
1425 --enable-bochs) bochs="yes"
1427 --disable-cloop) cloop="no"
1429 --enable-cloop) cloop="yes"
1431 --disable-dmg) dmg="no"
1433 --enable-dmg) dmg="yes"
1435 --disable-qcow1) qcow1="no"
1437 --enable-qcow1) qcow1="yes"
1439 --disable-vdi) vdi="no"
1441 --enable-vdi) vdi="yes"
1443 --disable-vvfat) vvfat="no"
1445 --enable-vvfat) vvfat="yes"
1447 --disable-qed) qed="no"
1449 --enable-qed) qed="yes"
1451 --disable-parallels) parallels="no"
1453 --enable-parallels) parallels="yes"
1455 --disable-sheepdog) sheepdog="no"
1457 --enable-sheepdog) sheepdog="yes"
1459 --disable-vhost-user) vhost_user="no"
1461 --enable-vhost-user) vhost_user="yes"
1463 --disable-vhost-vdpa) vhost_vdpa="no"
1465 --enable-vhost-vdpa) vhost_vdpa="yes"
1467 --disable-vhost-kernel) vhost_kernel="no"
1469 --enable-vhost-kernel) vhost_kernel="yes"
1471 --disable-capstone) capstone="disabled"
1473 --enable-capstone) capstone="enabled"
1475 --enable-capstone=git) capstone="internal"
1477 --enable-capstone=system) capstone="system"
1479 --with-git=*) git="$optarg"
1481 --enable-git-update) git_update=yes
1483 --disable-git-update) git_update=no
1485 --enable-debug-mutex) debug_mutex=yes
1487 --disable-debug-mutex) debug_mutex=no
1489 --enable-libpmem) libpmem=yes
1491 --disable-libpmem) libpmem=no
1493 --enable-xkbcommon) xkbcommon="enabled"
1495 --disable-xkbcommon) xkbcommon="disabled"
1497 --enable-plugins) plugins="yes"
1499 --disable-plugins) plugins="no"
1501 --enable-containers) use_containers="yes"
1503 --disable-containers) use_containers="no"
1505 --enable-fuzzing) fuzzing=yes
1507 --disable-fuzzing) fuzzing=no
1509 --gdb=*) gdb_bin="$optarg"
1511 --enable-rng-none) rng_none=yes
1513 --disable-rng-none) rng_none=no
1515 --enable-keyring) secret_keyring="yes"
1517 --disable-keyring) secret_keyring="no"
1519 --enable-libdaxctl) libdaxctl=yes
1521 --disable-libdaxctl) libdaxctl=no
1524 echo "ERROR: unknown option $opt"
1525 echo "Try '$0 --help' for more information"
1531 libdir="${libdir:-$prefix/lib}"
1532 libexecdir="${libexecdir:-$prefix/libexec}"
1533 includedir="${includedir:-$prefix/include}"
1535 if test "$mingw32" = "yes" ; then
1540 sysconfdir="$prefix"
1541 local_statedir="$prefix"
1543 mandir="${mandir:-$prefix/share/man}"
1544 datadir="${datadir:-$prefix/share}"
1545 docdir="${docdir:-$prefix/share/doc}"
1546 bindir="${bindir:-$prefix/bin}"
1547 sysconfdir="${sysconfdir:-$prefix/etc}"
1548 local_statedir="${local_statedir:-$prefix/var}"
1550 firmwarepath="${firmwarepath:-$datadir/qemu-firmware}"
1551 localedir="${localedir:-$datadir/locale}"
1556 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1560 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1563 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1564 QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1567 CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1568 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1572 QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1576 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1580 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1583 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1584 # If we truly care, we should simply detect this case at
1585 # runtime and generate the fallback to serial emulation.
1586 CPU_CFLAGS="-m64 -mcx16"
1587 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1591 QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1593 # No special flags required for other host CPUs
1596 eval "cross_cc_${cpu}=\$host_cc"
1597 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1598 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1600 # For user-mode emulation the host arch has to be one we explicitly
1601 # support, even if we're using TCI.
1602 if [ "$ARCH" = "unknown" ]; then
1607 default_target_list=""
1608 deprecated_targets_list=ppc64abi32-linux-user,tilegx-linux-user,lm32-softmmu,unicore32-softmmu
1609 deprecated_features=""
1612 if [ "$softmmu" = "yes" ]; then
1613 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-softmmu.mak"
1615 if [ "$linux_user" = "yes" ]; then
1616 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-linux-user.mak"
1618 if [ "$bsd_user" = "yes" ]; then
1619 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-bsd-user.mak"
1622 # If the user doesn't explicitly specify a deprecated target we will
1624 if test -z "$target_list"; then
1625 if test -z "$target_list_exclude"; then
1626 target_list_exclude="$deprecated_targets_list"
1628 target_list_exclude="$target_list_exclude,$deprecated_targets_list"
1632 for config in $mak_wilds; do
1633 target="$(basename "$config" .mak)"
1634 if echo "$target_list_exclude" | grep -vq "$target"; then
1635 default_target_list="${default_target_list} $target"
1639 # Enumerate public trace backends for --help output
1640 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1642 if test x"$show_help" = x"yes" ; then
1645 Usage: configure [options]
1646 Options: [defaults in brackets after descriptions]
1649 --help print this message
1650 --prefix=PREFIX install in PREFIX [$prefix]
1651 --interp-prefix=PREFIX where to find shared libraries, etc.
1652 use %M for cpu name [$interp_prefix]
1653 --target-list=LIST set target list (default: build everything)
1654 $(echo Available targets: $default_target_list | \
1655 fold -s -w 53 | sed -e 's/^/ /')
1656 --target-list-exclude=LIST exclude a set of targets from the default target-list
1658 Advanced options (experts only):
1659 --cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]
1660 --cc=CC use C compiler CC [$cc]
1661 --iasl=IASL use ACPI compiler IASL [$iasl]
1662 --host-cc=CC use C compiler CC [$host_cc] for code run at
1664 --cxx=CXX use C++ compiler CXX [$cxx]
1665 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
1666 --extra-cflags=CFLAGS append extra C compiler flags QEMU_CFLAGS
1667 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1668 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
1669 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
1670 --cross-cc-flags-ARCH= use compiler flags when building ARCH guest tests
1671 --make=MAKE use specified make [$make]
1672 --python=PYTHON use specified python [$python]
1673 --sphinx-build=SPHINX use specified sphinx-build [$sphinx_build]
1674 --meson=MESON use specified meson [$meson]
1675 --ninja=NINJA use specified ninja [$ninja]
1676 --smbd=SMBD use specified smbd [$smbd]
1677 --with-git=GIT use specified git [$git]
1678 --static enable static build [$static]
1679 --mandir=PATH install man pages in PATH
1680 --datadir=PATH install firmware in PATH/$qemu_suffix
1681 --localedir=PATH install translation in PATH/$qemu_suffix
1682 --docdir=PATH install documentation in PATH/$qemu_suffix
1683 --bindir=PATH install binaries in PATH
1684 --libdir=PATH install libraries in PATH
1685 --libexecdir=PATH install helper binaries in PATH
1686 --sysconfdir=PATH install config in PATH/$qemu_suffix
1687 --localstatedir=PATH install local state in PATH (set at runtime on win32)
1688 --firmwarepath=PATH search PATH for firmware files
1689 --efi-aarch64=PATH PATH of efi file to use for aarch64 VMs.
1690 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
1691 --with-pkgversion=VERS use specified string as sub-version of the package
1692 --enable-debug enable common debug build options
1693 --enable-sanitizers enable default sanitizers
1694 --enable-tsan enable thread sanitizer
1695 --disable-strip disable stripping binaries
1696 --disable-werror disable compilation abort on warning
1697 --disable-stack-protector disable compiler-provided stack protection
1698 --audio-drv-list=LIST set audio drivers list:
1699 Available drivers: $audio_possible_drivers
1700 --block-drv-whitelist=L Same as --block-drv-rw-whitelist=L
1701 --block-drv-rw-whitelist=L
1702 set block driver read-write whitelist
1703 (affects only QEMU, not qemu-img)
1704 --block-drv-ro-whitelist=L
1705 set block driver read-only whitelist
1706 (affects only QEMU, not qemu-img)
1707 --enable-trace-backends=B Set trace backend
1708 Available backends: $trace_backend_list
1709 --with-trace-file=NAME Full PATH,NAME of file to store traces
1711 --disable-slirp disable SLIRP userspace network connectivity
1712 --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1713 --enable-malloc-trim enable libc malloc_trim() for memory optimization
1714 --oss-lib path to OSS library
1715 --cpu=CPU Build for host CPU [$cpu]
1716 --with-coroutine=BACKEND coroutine backend. Supported options:
1717 ucontext, sigaltstack, windows
1718 --enable-gcov enable test coverage analysis with gcov
1719 --disable-blobs disable installing provided firmware blobs
1720 --with-vss-sdk=SDK-path enable Windows VSS support in QEMU Guest Agent
1721 --with-win-sdk=SDK-path path to Windows Platform SDK (to build VSS .tlb)
1722 --tls-priority default TLS protocol/cipher priority string
1723 --enable-gprof QEMU profiling with gprof
1724 --enable-profiler profiler support
1725 --enable-debug-stack-usage
1726 track the maximum stack usage of stacks created by qemu_alloc_stack
1728 enable plugins via shared library loading
1729 --disable-containers don't use containers for cross-building
1730 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
1732 Optional features, enabled with --enable-FEATURE and
1733 disabled with --disable-FEATURE, default is enabled if available:
1735 system all system emulation targets
1736 user supported user emulation targets
1737 linux-user all linux usermode emulation targets
1738 bsd-user all BSD usermode emulation targets
1739 docs build documentation
1740 guest-agent build the QEMU Guest Agent
1741 guest-agent-msi build guest agent Windows MSI installation package
1742 pie Position Independent Executables
1743 modules modules support (non-Windows)
1744 module-upgrades try to load modules from alternate paths for upgrades
1745 debug-tcg TCG debugging (default is disabled)
1746 debug-info debugging information
1747 sparse sparse checker
1748 safe-stack SafeStack Stack Smash Protection. Depends on
1749 clang/llvm >= 3.7 and requires coroutine backend ucontext.
1751 gnutls GNUTLS cryptography support
1752 nettle nettle cryptography support
1753 gcrypt libgcrypt cryptography support
1754 auth-pam PAM access control
1756 sdl-image SDL Image support for icons
1758 vte vte support for the gtk UI
1760 iconv font glyph conversion support
1762 vnc-sasl SASL encryption for VNC server
1763 vnc-jpeg JPEG lossy compression for VNC server
1764 vnc-png PNG compression for VNC server
1765 cocoa Cocoa UI (Mac OS X only)
1767 virtiofsd build virtiofs daemon (virtiofsd)
1768 libudev Use libudev to enumerate host devices
1769 mpath Multipath persistent reservation passthrough
1770 xen xen backend driver support
1771 xen-pci-passthrough PCI passthrough support for Xen
1772 brlapi BrlAPI (Braile)
1773 curl curl connectivity
1774 membarrier membarrier system call (for Linux 4.14+ or Windows)
1776 kvm KVM acceleration support
1777 hax HAX acceleration support
1778 hvf Hypervisor.framework acceleration support
1779 whpx Windows Hypervisor Platform acceleration support
1780 rdma Enable RDMA-based migration
1781 pvrdma Enable PVRDMA support
1782 vde support for vde network
1783 netmap support for netmap network
1784 linux-aio Linux AIO support
1785 linux-io-uring Linux io_uring support
1786 cap-ng libcap-ng support
1787 attr attr and xattr support
1788 vhost-net vhost-net kernel acceleration support
1789 vhost-vsock virtio sockets device support
1790 vhost-scsi vhost-scsi kernel target support
1791 vhost-crypto vhost-user-crypto backend support
1792 vhost-kernel vhost kernel backend support
1793 vhost-user vhost-user backend support
1794 vhost-vdpa vhost-vdpa kernel backend support
1796 rbd rados block device (rbd)
1797 libiscsi iscsi support
1799 smartcard smartcard support (libcacard)
1800 u2f U2F support (u2f-emu)
1801 libusb libusb (for usb passthrough)
1802 live-block-migration Block migration in the main migration stream
1803 usb-redir usb network redirection support
1804 lzo support of lzo compression library
1805 snappy support of snappy compression library
1806 bzip2 support of bzip2 compression library
1807 (for reading bzip2-compressed dmg images)
1808 lzfse support of lzfse compression library
1809 (for reading lzfse-compressed dmg images)
1810 zstd support for zstd compression library
1811 (for migration compression and qcow2 cluster compression)
1812 seccomp seccomp support
1813 coroutine-pool coroutine freelist (better performance)
1814 glusterfs GlusterFS backend
1816 libssh ssh block device support
1817 numa libnuma support
1818 libxml2 for Parallels image format
1819 tcmalloc tcmalloc support
1820 jemalloc jemalloc support
1821 avx2 AVX2 optimization support
1822 avx512f AVX512F optimization support
1823 replication replication support
1824 opengl opengl support
1825 virglrenderer virgl rendering support
1826 xfsctl xfsctl support
1827 qom-cast-debug cast debugging support
1828 tools build qemu-io, qemu-nbd and qemu-img tools
1829 bochs bochs image format support
1830 cloop cloop image format support
1831 dmg dmg image format support
1832 qcow1 qcow v1 image format support
1833 vdi vdi image format support
1834 vvfat vvfat image format support
1835 qed qed image format support
1836 parallels parallels image format support
1837 sheepdog sheepdog block driver support (deprecated)
1838 crypto-afalg Linux AF_ALG crypto backend driver
1839 capstone capstone disassembler support
1840 debug-mutex mutex debugging support
1841 libpmem libpmem support
1842 xkbcommon xkbcommon support
1843 rng-none dummy RNG, avoid using /dev/(u)random and getrandom()
1844 libdaxctl libdaxctl support
1846 NOTE: The object files are built at the place where configure is launched
1851 # Remove old dependency files to make sure that they get properly regenerated
1852 rm -f */config-devices.mak.d
1854 if test -z "$python"
1856 error_exit "Python not found. Use --python=/path/to/python"
1859 # Note that if the Python conditional here evaluates True we will exit
1860 # with status 1 which is a shell 'false' value.
1861 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
1862 error_exit "Cannot use '$python', Python >= 3.6 is required." \
1863 "Use --python=/path/to/python to specify a supported Python."
1866 # Preserve python version since some functionality is dependent on it
1867 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)
1869 # Suppress writing compiled files
1872 if test -z "$meson"; then
1873 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.3; then
1875 elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
1877 elif test -e "${source_path}/meson/meson.py" ; then
1880 if test "$explicit_python" = yes; then
1881 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1883 error_exit "Meson not found. Use --meson=/path/to/meson"
1887 # Meson uses its own Python interpreter to invoke other Python scripts,
1888 # but the user wants to use the one they specified with --python.
1890 # We do not want to override the distro Python interpreter (and sometimes
1891 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1892 # just require --meson=git|internal together with --python.
1893 if test "$explicit_python" = yes; then
1896 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1901 if test "$meson" = git; then
1902 git_submodules="${git_submodules} meson"
1907 if ! $python -c 'import pkg_resources' > /dev/null 2>&1; then
1908 error_exit "Python setuptools not found"
1910 meson="$python ${source_path}/meson/meson.py"
1912 *) meson=$(command -v "$meson") ;;
1917 if test -z "$ninja"; then
1918 for c in ninja ninja-build samu; do
1920 ninja=$(command -v "$c")
1924 if test -z "$ninja"; then
1925 error_exit "Cannot find Ninja"
1929 # Check that the C compiler works. Doing this here before testing
1930 # the host CPU ensures that we had a valid CC to autodetect the
1931 # $cpu var (and we should bail right here if that's not the case).
1932 # It also allows the help message to be printed without a CC.
1934 if compile_object ; then
1935 : C compiler works ok
1937 error_exit "\"$cc\" either does not exist or does not work"
1939 if ! compile_prog ; then
1940 error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1943 # Consult white-list to determine whether to enable werror
1944 # by default. Only enable by default for git builds
1945 if test -z "$werror" ; then
1946 if test -e "$source_path/.git" && \
1947 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1954 if test "$bogus_os" = "yes"; then
1955 # Now that we know that we're not printing the help and that
1956 # the compiler works (so the results of the check_defines we used
1957 # to identify the OS are reliable), if we didn't recognize the
1958 # host OS we should stop now.
1959 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1962 # Check whether the compiler matches our minimum requirements:
1964 #if defined(__clang_major__) && defined(__clang_minor__)
1965 # ifdef __apple_build_version__
1966 # if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1967 # error You need at least XCode Clang v5.1 to compile QEMU
1970 # if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1971 # error You need at least Clang v3.4 to compile QEMU
1974 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1975 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1976 # error You need at least GCC v4.8 to compile QEMU
1979 # error You either need GCC or Clang to compiler QEMU
1981 int main (void) { return 0; }
1983 if ! compile_prog "" "" ; then
1984 error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1987 # Accumulate -Wfoo and -Wno-bar separately.
1988 # We will list all of the enable flags first, and the disable flags second.
1989 # Note that we do not add -Werror, because that would enable it for all
1990 # configure tests. If a configure test failed due to -Werror this would
1991 # just silently disable some features, so it's too error prone.
1994 add_to warn_flags -Wold-style-declaration
1995 add_to warn_flags -Wold-style-definition
1996 add_to warn_flags -Wtype-limits
1997 add_to warn_flags -Wformat-security
1998 add_to warn_flags -Wformat-y2k
1999 add_to warn_flags -Winit-self
2000 add_to warn_flags -Wignored-qualifiers
2001 add_to warn_flags -Wempty-body
2002 add_to warn_flags -Wnested-externs
2003 add_to warn_flags -Wendif-labels
2004 add_to warn_flags -Wexpansion-to-defined
2007 add_to nowarn_flags -Wno-initializer-overrides
2008 add_to nowarn_flags -Wno-missing-include-dirs
2009 add_to nowarn_flags -Wno-shift-negative-value
2010 add_to nowarn_flags -Wno-string-plus-int
2011 add_to nowarn_flags -Wno-typedef-redefinition
2012 add_to nowarn_flags -Wno-tautological-type-limit-compare
2013 add_to nowarn_flags -Wno-psabi
2015 gcc_flags="$warn_flags $nowarn_flags"
2017 cc_has_warning_flag() {
2020 # Use the positive sense of the flag when testing for -Wno-wombat
2021 # support (gcc will happily accept the -Wno- form of unknown
2023 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2024 compile_prog "-Werror $optflag" ""
2027 for flag in $gcc_flags; do
2028 if cc_has_warning_flag $flag ; then
2029 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2033 if test "$stack_protector" != "no"; then
2035 int main(int argc, char *argv[])
2037 char arr[64], *p = arr, *c = argv[0];
2044 gcc_flags="-fstack-protector-strong -fstack-protector-all"
2046 for flag in $gcc_flags; do
2047 # We need to check both a compile and a link, since some compiler
2048 # setups fail only on a .c->.o compile and some only at link time
2049 if compile_object "-Werror $flag" &&
2050 compile_prog "-Werror $flag" ""; then
2051 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2052 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2057 if test "$stack_protector" = yes; then
2058 if test $sp_on = 0; then
2059 error_exit "Stack protector not supported"
2064 # Disable -Wmissing-braces on older compilers that warn even for
2065 # the "universal" C zero initializer {0}.
2071 if compile_object "-Werror" "" ; then
2074 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2077 # Our module code doesn't support Windows
2078 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2079 error_exit "Modules are not available for Windows"
2082 # module_upgrades is only reasonable if modules are enabled
2083 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2084 error_exit "Can't enable module-upgrades as Modules are not enabled"
2087 # Static linking is not possible with modules or PIE
2088 if test "$static" = "yes" ; then
2089 if test "$modules" = "yes" ; then
2090 error_exit "static and modules are mutually incompatible"
2094 # Unconditional check for compiler __thread support
2096 static __thread int tls_var;
2097 int main(void) { return tls_var; }
2100 if ! compile_prog "-Werror" "" ; then
2101 error_exit "Your compiler does not support the __thread specifier for " \
2102 "Thread-Local Storage (TLS). Please upgrade to a version that does."
2108 # define THREAD __thread
2112 static THREAD int tls_var;
2113 int main(void) { return tls_var; }
2116 # Check we support --no-pie first; we will need this for building ROMs.
2117 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2118 CFLAGS_NOPIE="-fno-pie"
2119 LDFLAGS_NOPIE="-no-pie"
2122 if test "$static" = "yes"; then
2123 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2124 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
2125 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2127 elif test "$pie" = "yes"; then
2128 error_exit "-static-pie not available due to missing toolchain support"
2130 QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2133 elif test "$pie" = "no"; then
2134 CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS"
2135 CONFIGURE_LDFLAGS="$LDFLAGS_NOPIE $CONFIGURE_LDFLAGS"
2136 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2137 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
2138 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
2140 elif test "$pie" = "yes"; then
2141 error_exit "PIE not available due to missing toolchain support"
2143 echo "Disabling PIE due to missing toolchain support"
2147 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2148 # The combination is known as "full relro", because .got.plt is read-only too.
2149 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2150 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2153 ##########################################
2154 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2155 # use i686 as default anyway, but for those that don't, an explicit
2156 # specification is necessary
2158 if test "$cpu" = "i386"; then
2160 static int sfaa(int *ptr)
2162 return __sync_fetch_and_and(ptr, 0);
2168 val = __sync_val_compare_and_swap(&val, 0, 1);
2173 if ! compile_prog "" "" ; then
2174 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2178 #########################################
2179 # Solaris specific configure tool chain decisions
2181 if test "$solaris" = "yes" ; then
2185 if test -f /usr/ccs/bin/ar ; then
2186 error_exit "No path includes ar" \
2187 "Add /usr/ccs/bin to your path and rerun configure"
2189 error_exit "No path includes ar"
2193 if test -z "${target_list+xxx}" ; then
2195 for target in $default_target_list; do
2196 target_list="$target_list $target"
2198 target_list="${target_list# }"
2201 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2202 for target in $target_list; do
2203 # Check that we recognised the target name; this allows a more
2204 # friendly error message than if we let it fall through.
2205 case " $default_target_list " in
2209 error_exit "Unknown target name '$target'"
2215 for target in $target_list; do
2216 # if a deprecated target is enabled we note it here
2217 if echo "$deprecated_targets_list" | grep -q "$target"; then
2218 add_to deprecated_features $target
2222 # see if system emulation was really requested
2223 case " $target_list " in
2224 *"-softmmu "*) softmmu=yes
2230 feature_not_found() {
2234 error_exit "User requested feature $feature" \
2235 "configure was not able to find it." \
2240 # big/little endian test
2242 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2243 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2244 extern int foo(short *, short *);
2245 int main(int argc, char *argv[]) {
2246 return foo(big_endian, little_endian);
2250 if compile_object ; then
2251 if strings -a $TMPO | grep -q BiGeNdIaN ; then
2253 elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2256 echo big/little test failed
2259 echo big/little test failed
2262 ##########################################
2264 if test -z "$want_tools"; then
2265 if test "$softmmu" = "no"; then
2272 ##########################################
2273 # cocoa implies not SDL or GTK
2274 # (the cocoa UI code currently assumes it is always the active UI
2275 # and doesn't interact well with other UI frontend code)
2276 if test "$cocoa" = "enabled"; then
2277 if test "$sdl" = "enabled"; then
2278 error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2280 if test "$gtk" = "yes"; then
2281 error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2287 # Some versions of Mac OS X incorrectly define SIZE_MAX
2291 int main(int argc, char *argv[]) {
2292 return printf("%zu", SIZE_MAX);
2295 have_broken_size_max=no
2296 if ! compile_object -Werror ; then
2297 have_broken_size_max=yes
2300 ##########################################
2304 #include <sys/socket.h>
2305 #include <linux/ip.h>
2306 int main(void) { return sizeof(struct mmsghdr); }
2308 if compile_prog "" "" ; then
2314 if check_include "pty.h" ; then
2321 #include <sys/mman.h>
2322 int main(int argc, char *argv[]) {
2323 return mlockall(MCL_FUTURE);
2326 if compile_prog "" "" ; then
2332 #########################################
2333 # vhost interdependencies and host support
2336 test "$vhost_user" = "" && vhost_user=yes
2337 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2338 error_exit "vhost-user isn't available on win32"
2340 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2341 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2342 error_exit "vhost-vdpa is only available on Linux"
2344 test "$vhost_kernel" = "" && vhost_kernel=$linux
2345 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2346 error_exit "vhost-kernel is only available on Linux"
2349 # vhost-kernel devices
2350 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2351 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2352 error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2354 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2355 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2356 error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2359 # vhost-user backends
2360 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2361 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2362 error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2364 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2365 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2366 error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2368 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2369 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2370 error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2372 #vhost-vdpa backends
2373 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2374 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2375 error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2378 # OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity
2379 if test "$vhost_net" = ""; then
2380 test "$vhost_net_user" = "yes" && vhost_net=yes
2381 test "$vhost_net_vdpa" = "yes" && vhost_net=yes
2382 test "$vhost_kernel" = "yes" && vhost_net=yes
2385 ##########################################
2388 if ! has "$pkg_config_exe"; then
2389 error_exit "pkg-config binary '$pkg_config_exe' not found"
2392 ##########################################
2395 if test "$linux_user" = "yes"; then
2398 #include <linux/futex.h>
2400 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2406 if ! compile_object ; then
2407 feature_not_found "nptl" "Install glibc and linux kernel headers."
2411 ##########################################
2414 if test "$lzo" != "no" ; then
2416 #include <lzo/lzo1x.h>
2417 int main(void) { lzo_version(); return 0; }
2419 if compile_prog "" "-llzo2" ; then
2423 if test "$lzo" = "yes"; then
2424 feature_not_found "liblzo2" "Install liblzo2 devel"
2430 ##########################################
2433 if test "$snappy" != "no" ; then
2435 #include <snappy-c.h>
2436 int main(void) { snappy_max_compressed_length(4096); return 0; }
2438 if compile_prog "" "-lsnappy" ; then
2439 snappy_libs='-lsnappy'
2442 if test "$snappy" = "yes"; then
2443 feature_not_found "libsnappy" "Install libsnappy devel"
2449 ##########################################
2452 if test "$bzip2" != "no" ; then
2455 int main(void) { BZ2_bzlibVersion(); return 0; }
2457 if compile_prog "" "-lbz2" ; then
2460 if test "$bzip2" = "yes"; then
2461 feature_not_found "libbzip2" "Install libbzip2 devel"
2467 ##########################################
2470 if test "$lzfse" != "no" ; then
2473 int main(void) { lzfse_decode_scratch_size(); return 0; }
2475 if compile_prog "" "-llzfse" ; then
2478 if test "$lzfse" = "yes"; then
2479 feature_not_found "lzfse" "Install lzfse devel"
2485 ##########################################
2488 if test "$zstd" != "no" ; then
2489 libzstd_minver="1.4.0"
2490 if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2491 zstd_cflags="$($pkg_config --cflags libzstd)"
2492 zstd_libs="$($pkg_config --libs libzstd)"
2495 if test "$zstd" = "yes" ; then
2496 feature_not_found "libzstd" "Install libzstd devel"
2502 ##########################################
2505 if test "$seccomp" != "no" ; then
2506 libseccomp_minver="2.3.0"
2507 if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2508 seccomp_cflags="$($pkg_config --cflags libseccomp)"
2509 seccomp_libs="$($pkg_config --libs libseccomp)"
2512 if test "$seccomp" = "yes" ; then
2513 feature_not_found "libseccomp" \
2514 "Install libseccomp devel >= $libseccomp_minver"
2520 ##########################################
2523 if test "$xen" != "disabled" ; then
2524 # Check whether Xen library path is specified via --extra-ldflags to avoid
2525 # overriding this setting with pkg-config output. If not, try pkg-config
2526 # to obtain all needed flags.
2528 if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2529 $pkg_config --exists xencontrol ; then
2530 xen_ctrl_version="$(printf '%d%02d%02d' \
2531 $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2533 xen_pc="xencontrol xenstore xenforeignmemory xengnttab"
2534 xen_pc="$xen_pc xenevtchn xendevicemodel"
2535 if $pkg_config --exists xentoolcore; then
2536 xen_pc="$xen_pc xentoolcore"
2538 xen_cflags="$($pkg_config --cflags $xen_pc)"
2539 xen_libs="$($pkg_config --libs $xen_pc)"
2542 xen_libs="-lxenstore -lxenctrl"
2543 xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2545 # First we test whether Xen headers and libraries are available.
2546 # If no, we are done and there is no Xen support.
2547 # If yes, more tests are run to detect the Xen version.
2551 #include <xenctrl.h>
2556 if ! compile_prog "" "$xen_libs" ; then
2558 if test "$xen" = "enabled" ; then
2559 feature_not_found "xen" "Install xen devel"
2565 cat > $TMPC <<EOF &&
2566 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2567 #define __XEN_TOOLS__
2568 #include <xendevicemodel.h>
2569 #include <xenforeignmemory.h>
2571 xendevicemodel_handle *xd;
2572 xenforeignmemory_handle *xfmem;
2574 xd = xendevicemodel_open(0, 0);
2575 xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2577 xfmem = xenforeignmemory_open(0, 0);
2578 xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2583 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2585 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2586 xen_ctrl_version=41100
2589 cat > $TMPC <<EOF &&
2590 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2591 #include <xenforeignmemory.h>
2592 #include <xentoolcore.h>
2594 xenforeignmemory_handle *xfmem;
2596 xfmem = xenforeignmemory_open(0, 0);
2597 xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2598 xentoolcore_restrict_all(0);
2603 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2605 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2606 xen_ctrl_version=41000
2609 cat > $TMPC <<EOF &&
2610 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2611 #define __XEN_TOOLS__
2612 #include <xendevicemodel.h>
2614 xendevicemodel_handle *xd;
2616 xd = xendevicemodel_open(0, 0);
2617 xendevicemodel_close(xd);
2622 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2624 xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2625 xen_ctrl_version=40900
2628 cat > $TMPC <<EOF &&
2630 * If we have stable libs the we don't want the libxc compat
2631 * layers, regardless of what CFLAGS we may have been given.
2633 * Also, check if xengnttab_grant_copy_segment_t is defined and
2634 * grant copy operation is implemented.
2636 #undef XC_WANT_COMPAT_EVTCHN_API
2637 #undef XC_WANT_COMPAT_GNTTAB_API
2638 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2639 #include <xenctrl.h>
2640 #include <xenstore.h>
2641 #include <xenevtchn.h>
2642 #include <xengnttab.h>
2643 #include <xenforeignmemory.h>
2645 #include <xen/hvm/hvm_info_table.h>
2646 #if !defined(HVM_MAX_VCPUS)
2647 # error HVM_MAX_VCPUS not defined
2650 xc_interface *xc = NULL;
2651 xenforeignmemory_handle *xfmem;
2652 xenevtchn_handle *xe;
2653 xengnttab_handle *xg;
2654 xengnttab_grant_copy_segment_t* seg = NULL;
2658 xc = xc_interface_open(0, 0, 0);
2659 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2660 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2661 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2662 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2664 xfmem = xenforeignmemory_open(0, 0);
2665 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2667 xe = xenevtchn_open(0, 0);
2670 xg = xengnttab_open(0, 0);
2671 xengnttab_grant_copy(xg, 0, seg);
2676 compile_prog "" "$xen_libs $xen_stable_libs"
2678 xen_ctrl_version=40800
2681 cat > $TMPC <<EOF &&
2683 * If we have stable libs the we don't want the libxc compat
2684 * layers, regardless of what CFLAGS we may have been given.
2686 #undef XC_WANT_COMPAT_EVTCHN_API
2687 #undef XC_WANT_COMPAT_GNTTAB_API
2688 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2689 #include <xenctrl.h>
2690 #include <xenstore.h>
2691 #include <xenevtchn.h>
2692 #include <xengnttab.h>
2693 #include <xenforeignmemory.h>
2695 #include <xen/hvm/hvm_info_table.h>
2696 #if !defined(HVM_MAX_VCPUS)
2697 # error HVM_MAX_VCPUS not defined
2700 xc_interface *xc = NULL;
2701 xenforeignmemory_handle *xfmem;
2702 xenevtchn_handle *xe;
2703 xengnttab_handle *xg;
2707 xc = xc_interface_open(0, 0, 0);
2708 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2709 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2710 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2711 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2713 xfmem = xenforeignmemory_open(0, 0);
2714 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2716 xe = xenevtchn_open(0, 0);
2719 xg = xengnttab_open(0, 0);
2720 xengnttab_map_grant_ref(xg, 0, 0, 0);
2725 compile_prog "" "$xen_libs $xen_stable_libs"
2727 xen_ctrl_version=40701
2732 cat > $TMPC <<EOF &&
2733 #include <xenctrl.h>
2734 #include <xenstore.h>
2736 #include <xen/hvm/hvm_info_table.h>
2737 #if !defined(HVM_MAX_VCPUS)
2738 # error HVM_MAX_VCPUS not defined
2743 xc = xc_interface_open(0, 0, 0);
2744 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2745 xc_gnttab_open(NULL, 0);
2746 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2747 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2748 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2749 xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2753 compile_prog "" "$xen_libs"
2755 xen_ctrl_version=40600
2760 cat > $TMPC <<EOF &&
2761 #include <xenctrl.h>
2762 #include <xenstore.h>
2764 #include <xen/hvm/hvm_info_table.h>
2765 #if !defined(HVM_MAX_VCPUS)
2766 # error HVM_MAX_VCPUS not defined
2771 xc = xc_interface_open(0, 0, 0);
2772 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2773 xc_gnttab_open(NULL, 0);
2774 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2775 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2776 xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2780 compile_prog "" "$xen_libs"
2782 xen_ctrl_version=40500
2786 cat > $TMPC <<EOF &&
2787 #include <xenctrl.h>
2788 #include <xenstore.h>
2790 #include <xen/hvm/hvm_info_table.h>
2791 #if !defined(HVM_MAX_VCPUS)
2792 # error HVM_MAX_VCPUS not defined
2797 xc = xc_interface_open(0, 0, 0);
2798 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2799 xc_gnttab_open(NULL, 0);
2800 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2801 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2805 compile_prog "" "$xen_libs"
2807 xen_ctrl_version=40200
2811 if test "$xen" = "enabled" ; then
2812 feature_not_found "xen (unsupported version)" \
2813 "Install a supported xen (xen 4.2 or newer)"
2818 if test "$xen" = enabled; then
2819 if test $xen_ctrl_version -ge 40701 ; then
2820 xen_libs="$xen_libs $xen_stable_libs "
2826 if test "$xen_pci_passthrough" != "disabled"; then
2827 if test "$xen" = "enabled" && test "$linux" = "yes"; then
2828 xen_pci_passthrough=enabled
2830 if test "$xen_pci_passthrough" = "enabled"; then
2831 error_exit "User requested feature Xen PCI Passthrough" \
2832 " but this feature requires /sys from Linux"
2834 xen_pci_passthrough=disabled
2838 ##########################################
2840 if test "$gettext" != "false" ; then
2841 if has xgettext; then
2844 if test "$gettext" = "true" ; then
2845 feature_not_found "gettext" "Install xgettext binary"
2851 ##########################################
2853 if $pkg_config --exists "x11"; then
2855 x11_cflags=$($pkg_config --cflags x11)
2856 x11_libs=$($pkg_config --libs x11)
2859 ##########################################
2862 if test "$gtk" != "no"; then
2863 gtkpackage="gtk+-3.0"
2864 gtkx11package="gtk+-x11-3.0"
2866 if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2867 gtk_cflags=$($pkg_config --cflags $gtkpackage)
2868 gtk_libs=$($pkg_config --libs $gtkpackage)
2869 gtk_version=$($pkg_config --modversion $gtkpackage)
2870 if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2872 gtk_cflags="$gtk_cflags $x11_cflags"
2873 gtk_libs="$gtk_libs $x11_libs"
2876 elif test "$gtk" = "yes"; then
2877 feature_not_found "gtk" "Install gtk3-devel"
2884 ##########################################
2887 if test "$gnutls" != "no"; then
2889 if $pkg_config --exists "gnutls >= 3.1.18"; then
2890 gnutls_cflags=$($pkg_config --cflags gnutls)
2891 gnutls_libs=$($pkg_config --libs gnutls)
2892 # Packaging for the static libraries is not always correct.
2893 # At least ubuntu 18.04 ships only shared libraries.
2895 if compile_prog "" "$gnutls_libs" ; then
2899 if test "$pass" = "no" && test "$gnutls" = "yes"; then
2900 feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2907 # If user didn't give a --disable/enable-gcrypt flag,
2908 # then mark as disabled if user requested nettle
2910 if test -z "$gcrypt"
2912 if test "$nettle" = "yes"
2918 # If user didn't give a --disable/enable-nettle flag,
2919 # then mark as disabled if user requested gcrypt
2921 if test -z "$nettle"
2923 if test "$gcrypt" = "yes"
2930 if ! has "libgcrypt-config"
2935 if test -n "$cross_prefix"
2937 host=$(libgcrypt-config --host)
2938 if test "$host-" != $cross_prefix
2944 maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2945 min=`libgcrypt-config --version | awk -F . '{print $2}'`
2947 if test $maj != 1 || test $min -lt 5
2956 if test "$nettle" != "no"; then
2958 if $pkg_config --exists "nettle >= 2.7.1"; then
2959 nettle_cflags=$($pkg_config --cflags nettle)
2960 nettle_libs=$($pkg_config --libs nettle)
2961 nettle_version=$($pkg_config --modversion nettle)
2962 # Link test to make sure the given libraries work (e.g for static).
2964 if compile_prog "" "$nettle_libs" ; then
2965 if test -z "$gcrypt"; then
2971 if test "$pass" = "yes"
2974 #include <nettle/xts.h>
2979 if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2984 if test "$pass" = "no" && test "$nettle" = "yes"; then
2985 feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2991 if test "$gcrypt" != "no"; then
2993 if has_libgcrypt; then
2994 gcrypt_cflags=$(libgcrypt-config --cflags)
2995 gcrypt_libs=$(libgcrypt-config --libs)
2996 # Debian has removed -lgpg-error from libgcrypt-config
2997 # as it "spreads unnecessary dependencies" which in
2998 # turn breaks static builds...
2999 if test "$static" = "yes"
3001 gcrypt_libs="$gcrypt_libs -lgpg-error"
3004 # Link test to make sure the given libraries work (e.g for static).
3006 if compile_prog "" "$gcrypt_libs" ; then
3010 if test "$pass" = "yes"; then
3015 gcry_mac_hd_t handle;
3016 gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3017 GCRY_MAC_FLAG_SECURE, NULL);
3021 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3027 gcry_cipher_hd_t handle;
3028 gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3032 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3036 elif test "$gcrypt" = "yes"; then
3037 feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3044 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3046 error_exit "Only one of gcrypt & nettle can be enabled"
3049 ##########################################
3050 # libtasn1 - only for the TLS creds/session test suite
3055 if $pkg_config --exists "libtasn1"; then
3056 tasn1_cflags=$($pkg_config --cflags libtasn1)
3057 tasn1_libs=$($pkg_config --libs libtasn1)
3063 ##########################################
3066 if test "$auth_pam" != "no"; then
3068 #include <security/pam_appl.h>
3071 const char *service_name = "qemu";
3072 const char *user = "frank";
3073 const struct pam_conv pam_conv = { 0 };
3074 pam_handle_t *pamh = NULL;
3075 pam_start(service_name, user, &pam_conv, &pamh);
3079 if compile_prog "" "-lpam" ; then
3082 if test "$auth_pam" = "yes"; then
3083 feature_not_found "PAM" "Install PAM development package"
3090 ##########################################
3091 # getifaddrs (for tests/test-io-channel-socket )
3094 if ! check_include "ifaddrs.h" ; then
3098 #########################################
3101 if check_include "libdrm/drm.h" ; then
3105 #########################################
3106 # sys/signal.h check
3107 have_sys_signal_h=no
3108 if check_include "sys/signal.h" ; then
3109 have_sys_signal_h=yes
3112 ##########################################
3115 if test "$vte" != "no"; then
3116 vteminversion="0.32.0"
3117 if $pkg_config --exists "vte-2.91"; then
3118 vtepackage="vte-2.91"
3120 vtepackage="vte-2.90"
3122 if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3123 vte_cflags=$($pkg_config --cflags $vtepackage)
3124 vte_libs=$($pkg_config --libs $vtepackage)
3125 vteversion=$($pkg_config --modversion $vtepackage)
3127 elif test "$vte" = "yes"; then
3128 feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3134 ##########################################
3135 # RDMA needs OpenFabrics libraries
3136 if test "$rdma" != "no" ; then
3138 #include <rdma/rdma_cma.h>
3139 int main(void) { return 0; }
3141 rdma_libs="-lrdmacm -libverbs -libumad"
3142 if compile_prog "" "$rdma_libs" ; then
3145 if test "$rdma" = "yes" ; then
3147 " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3149 " (1) Fast: Install infiniband packages (devel) from your distro." \
3150 " (2) Cleanest: Install libraries from www.openfabrics.org" \
3151 " (3) Also: Install softiwarp if you don't have RDMA hardware"
3157 ##########################################
3160 cat > $TMPC <<EOF &&
3161 #include <sys/mman.h>
3168 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3174 if test "$rdma" = "yes" ; then
3177 if compile_prog "" ""; then
3184 if ! compile_prog "" ""; then
3185 error_exit "PVRDMA is not supported since mremap is not implemented"
3194 if test "$pvrdma" = "yes" ; then
3195 error_exit "PVRDMA requires rdma suppport"
3200 # Let's see if enhanced reg_mr is supported
3201 if test "$pvrdma" = "yes" ; then
3203 cat > $TMPC <<EOF &&
3204 #include <infiniband/verbs.h>
3210 struct ibv_pd *pd = NULL;
3216 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3223 if ! compile_prog "" "-libverbs"; then
3224 QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3228 ##########################################
3229 # xfsctl() probe, used for file-posix.c
3230 if test "$xfs" != "no" ; then
3232 #include <stddef.h> /* NULL */
3233 #include <xfs/xfs.h>
3236 xfsctl(NULL, 0, 0, NULL);
3240 if compile_prog "" "" ; then
3243 if test "$xfs" = "yes" ; then
3244 feature_not_found "xfs" "Install xfsprogs/xfslibs devel"
3250 ##########################################
3251 # vde libraries probe
3252 if test "$vde" != "no" ; then
3253 vde_libs="-lvdeplug"
3255 #include <libvdeplug.h>
3258 struct vde_open_args a = {0, 0, 0};
3264 if compile_prog "" "$vde_libs" ; then
3267 if test "$vde" = "yes" ; then
3268 feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3274 ##########################################
3275 # netmap support probe
3276 # Apart from looking for netmap headers, we make sure that the host API version
3277 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3278 # a minor/major version number. Minor new features will be marked with values up
3279 # to 15, and if something happens that requires a change to the backend we will
3280 # move above 15, submit the backend fixes and modify this two bounds.
3281 if test "$netmap" != "no" ; then
3283 #include <inttypes.h>
3285 #include <net/netmap.h>
3286 #include <net/netmap_user.h>
3287 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3290 int main(void) { return 0; }
3292 if compile_prog "" "" ; then
3295 if test "$netmap" = "yes" ; then
3296 feature_not_found "netmap"
3302 ##########################################
3303 # libcap-ng library probe
3304 if test "$cap_ng" != "no" ; then
3310 capng_capability_to_name(CAPNG_EFFECTIVE);
3314 if compile_prog "" "$cap_libs" ; then
3317 if test "$cap_ng" = "yes" ; then
3318 feature_not_found "cap_ng" "Install libcap-ng devel"
3324 ##########################################
3325 # Sound support libraries probe
3327 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3328 for drv in $audio_drv_list; do
3331 if $pkg_config alsa --exists; then
3332 alsa_libs=$($pkg_config alsa --libs)
3333 alsa_cflags=$($pkg_config alsa --cflags)
3335 if test "$drv" = "try-alsa"; then
3336 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3339 if test "$drv" = "try-alsa"; then
3340 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3342 error_exit "$drv check failed" \
3343 "Make sure to have the $drv libs and headers installed."
3349 if $pkg_config libpulse --exists; then
3351 pulse_libs=$($pkg_config libpulse --libs)
3352 pulse_cflags=$($pkg_config libpulse --cflags)
3353 if test "$drv" = "try-pa"; then
3354 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3357 if test "$drv" = "try-pa"; then
3358 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3360 error_exit "$drv check failed" \
3361 "Make sure to have the $drv libs and headers installed."
3367 if test "$sdl" = "no"; then
3368 error_exit "sdl not found or disabled, can not use sdl audio driver"
3373 if test "$sdl" = "no"; then
3374 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3376 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3381 coreaudio_libs="-framework CoreAudio"
3385 dsound_libs="-lole32 -ldxguid"
3394 if $pkg_config jack --exists; then
3396 jack_libs=$($pkg_config jack --libs)
3397 if test "$drv" = "try-jack"; then
3398 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3401 if test "$drv" = "try-jack"; then
3402 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3404 error_exit "$drv check failed" \
3405 "Make sure to have the $drv libs and headers installed."
3411 echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3412 error_exit "Unknown driver '$drv' selected" \
3413 "Possible drivers are: $audio_possible_drivers"
3419 ##########################################
3422 if test "$brlapi" != "no" ; then
3423 brlapi_libs="-lbrlapi"
3427 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3429 if compile_prog "" "$brlapi_libs" ; then
3432 if test "$brlapi" = "yes" ; then
3433 feature_not_found "brlapi" "Install brlapi devel"
3439 ##########################################
3441 if test "$curl" != "no" ; then
3442 if $pkg_config libcurl --exists; then
3443 curlconfig="$pkg_config libcurl"
3445 curlconfig=curl-config
3448 #include <curl/curl.h>
3449 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3451 curl_cflags=$($curlconfig --cflags 2>/dev/null)
3452 curl_libs=$($curlconfig --libs 2>/dev/null)
3453 if compile_prog "$curl_cflags" "$curl_libs" ; then
3456 if test "$curl" = "yes" ; then
3457 feature_not_found "curl" "Install libcurl devel"
3463 ##########################################
3464 # glib support probe
3467 glib_modules=gthread-2.0
3468 if test "$modules" = yes; then
3469 glib_modules="$glib_modules gmodule-export-2.0"
3471 if test "$plugins" = yes; then
3472 glib_modules="$glib_modules gmodule-2.0"
3475 for i in $glib_modules; do
3476 if $pkg_config --atleast-version=$glib_req_ver $i; then
3477 glib_cflags=$($pkg_config --cflags $i)
3478 glib_libs=$($pkg_config --libs $i)
3480 error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3484 # This workaround is required due to a bug in pkg-config file for glib as it
3485 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3487 if test "$static" = yes && test "$mingw32" = yes; then
3488 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
3491 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3493 gio_cflags=$($pkg_config --cflags gio-2.0)
3494 gio_libs=$($pkg_config --libs gio-2.0)
3495 gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3496 if [ ! -x "$gdbus_codegen" ]; then
3503 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3504 gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3505 gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3508 # Sanity check that the current size_t matches the
3509 # size that glib thinks it should be. This catches
3510 # problems on multi-arch where people try to build
3511 # 32-bit QEMU while pointing at 64-bit glib headers
3516 #define QEMU_BUILD_BUG_ON(x) \
3517 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3520 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3525 if ! compile_prog "$glib_cflags" "$glib_libs" ; then
3526 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3527 "You probably need to set PKG_CONFIG_LIBDIR"\
3528 "to point to the right pkg-config files for your"\
3532 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3535 int main(void) { return 0; }
3537 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3538 if cc_has_warning_flag "-Wno-unknown-attributes"; then
3539 glib_cflags="-Wno-unknown-attributes $glib_cflags"
3540 CONFIGURE_CFLAGS="-Wno-unknown-attributes $CONFIGURE_CFLAGS"
3544 # Silence clang warnings triggered by glib < 2.57.2
3547 typedef struct Foo {
3550 static void foo_free(Foo *f)
3554 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
3555 int main(void) { return 0; }
3557 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3558 if cc_has_warning_flag "-Wno-unused-function"; then
3559 glib_cflags="$glib_cflags -Wno-unused-function"
3560 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
3564 ##########################################
3565 # SHA command probe for modules
3566 if test "$modules" = yes; then
3567 shacmd_probe="sha1sum sha1 shasum"
3568 for c in $shacmd_probe; do
3574 if test "$shacmd" = ""; then
3575 error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3579 ##########################################
3581 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3585 #include <pthread.h>
3586 static void *f(void *p) { return NULL; }
3589 pthread_create(&thread, 0, f, 0);
3593 if compile_prog "" "" ; then
3596 for pthread_lib in $PTHREADLIBS_LIST; do
3597 if compile_prog "" "$pthread_lib" ; then
3600 for lib_entry in $LIBS; do
3601 if test "$lib_entry" = "$pthread_lib"; then
3606 if test "$found" = "no"; then
3607 LIBS="$pthread_lib $LIBS"
3614 if test "$mingw32" != yes && test "$pthread" = no; then
3615 error_exit "pthread check failed" \
3616 "Make sure to have the pthread libs and headers installed."
3619 # check for pthread_setname_np with thread id
3620 pthread_setname_np_w_tid=no
3622 #include <pthread.h>
3624 static void *f(void *p) { return NULL; }
3628 pthread_create(&thread, 0, f, 0);
3629 pthread_setname_np(thread, "QEMU");
3633 if compile_prog "" "$pthread_lib" ; then
3634 pthread_setname_np_w_tid=yes
3637 # check for pthread_setname_np without thread id
3638 pthread_setname_np_wo_tid=no
3640 #include <pthread.h>
3642 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
3646 pthread_create(&thread, 0, f, 0);
3650 if compile_prog "" "$pthread_lib" ; then
3651 pthread_setname_np_wo_tid=yes
3654 ##########################################
3656 if test "$rbd" != "no" ; then
3659 #include <rbd/librbd.h>
3662 rados_create(&cluster, NULL);
3666 rbd_libs="-lrbd -lrados"
3667 if compile_prog "" "$rbd_libs" ; then
3670 if test "$rbd" = "yes" ; then
3671 feature_not_found "rados block device" "Install librbd/ceph devel"
3677 ##########################################
3679 if test "$libssh" != "no" ; then
3680 if $pkg_config --exists libssh; then
3681 libssh_cflags=$($pkg_config libssh --cflags)
3682 libssh_libs=$($pkg_config libssh --libs)
3685 if test "$libssh" = "yes" ; then
3686 error_exit "libssh required for --enable-libssh"
3692 ##########################################
3693 # Check for libssh 0.8
3694 # This is done like this instead of using the LIBSSH_VERSION_* and
3695 # SSH_VERSION_* macros because some distributions in the past shipped
3696 # snapshots of the future 0.8 from Git, and those snapshots did not
3697 # have updated version numbers (still referring to 0.7.0).
3699 if test "$libssh" = "yes"; then
3701 #include <libssh/libssh.h>
3702 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
3704 if compile_prog "$libssh_cflags" "$libssh_libs"; then
3705 libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
3709 ##########################################
3712 if test "$linux_aio" != "no" ; then
3715 #include <sys/eventfd.h>
3717 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3719 if compile_prog "" "-laio" ; then
3722 if test "$linux_aio" = "yes" ; then
3723 feature_not_found "linux AIO" "Install libaio devel"
3728 ##########################################
3729 # linux-io-uring probe
3731 if test "$linux_io_uring" != "no" ; then
3732 if $pkg_config liburing; then
3733 linux_io_uring_cflags=$($pkg_config --cflags liburing)
3734 linux_io_uring_libs=$($pkg_config --libs liburing)
3737 if test "$linux_io_uring" = "yes" ; then
3738 feature_not_found "linux io_uring" "Install liburing devel"
3744 ##########################################
3745 # TPM emulation is only on POSIX
3747 if test "$tpm" = ""; then
3748 if test "$mingw32" = "yes"; then
3753 elif test "$tpm" = "yes"; then
3754 if test "$mingw32" = "yes" ; then
3755 error_exit "TPM emulation only available on POSIX systems"
3759 ##########################################
3763 if test "$attr" != "no" ; then
3766 #include <sys/types.h>
3767 #ifdef CONFIG_LIBATTR
3768 #include <attr/xattr.h>
3770 #include <sys/xattr.h>
3772 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3774 if compile_prog "" "" ; then
3776 # Older distros have <attr/xattr.h>, and need -lattr:
3777 elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3779 libattr_libs="-lattr"
3782 if test "$attr" = "yes" ; then
3783 feature_not_found "ATTR" "Install libc6 or libattr devel"
3789 ##########################################
3792 #include <sys/types.h>
3793 #include <sys/uio.h>
3795 int main(void) { return sizeof(struct iovec); }
3798 if compile_prog "" "" ; then
3802 ##########################################
3805 #include <sys/types.h>
3806 #include <sys/uio.h>
3808 int main(void) { return preadv(0, 0, 0, 0); }
3811 if compile_prog "" "" ; then
3815 ##########################################
3819 auto | enabled | internal)
3820 # Simpler to always update submodule, even if not needed.
3821 if test -e "${source_path}/.git" && test $git_update = 'yes' ; then
3822 git_submodules="${git_submodules} dtc"
3827 ##########################################
3828 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3831 if $pkg_config gbm; then
3832 gbm_cflags="$($pkg_config --cflags gbm)"
3833 gbm_libs="$($pkg_config --libs gbm)"
3837 if test "$opengl" != "no" ; then
3838 opengl_pkgs="epoxy gbm"
3839 if $pkg_config $opengl_pkgs; then
3840 opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
3841 opengl_libs="$($pkg_config --libs $opengl_pkgs)"
3843 if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3847 if test "$opengl" = "yes" ; then
3848 feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3856 if test "$opengl" = "yes"; then
3858 #include <epoxy/egl.h>
3859 #ifndef EGL_MESA_image_dma_buf_export
3860 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3862 int main(void) { return 0; }
3864 if compile_prog "" "" ; then
3869 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
3870 for target in $target_list; do
3872 lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
3879 ##########################################
3881 if test "$libxml2" != "no" ; then
3882 if $pkg_config --exists libxml-2.0; then
3884 libxml2_cflags=$($pkg_config --cflags libxml-2.0)
3885 libxml2_libs=$($pkg_config --libs libxml-2.0)
3887 if test "$libxml2" = "yes"; then
3888 feature_not_found "libxml2" "Install libxml2 devel"
3894 ##########################################
3896 if test "$glusterfs" != "no" ; then
3897 if $pkg_config --atleast-version=3 glusterfs-api; then
3899 glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3900 glusterfs_libs=$($pkg_config --libs glusterfs-api)
3901 if $pkg_config --atleast-version=4 glusterfs-api; then
3902 glusterfs_xlator_opt="yes"
3904 if $pkg_config --atleast-version=5 glusterfs-api; then
3905 glusterfs_discard="yes"
3907 if $pkg_config --atleast-version=6 glusterfs-api; then
3908 glusterfs_fallocate="yes"
3909 glusterfs_zerofill="yes"
3912 #include <glusterfs/api/glfs.h>
3917 /* new glfs_ftruncate() passes two additional args */
3918 return glfs_ftruncate(NULL, 0, NULL, NULL);
3921 if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
3922 glusterfs_ftruncate_has_stat="yes"
3925 #include <glusterfs/api/glfs.h>
3927 /* new glfs_io_cbk() passes two additional glfs_stat structs */
3929 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
3935 glfs_io_cbk iocb = &glusterfs_iocb;
3936 iocb(NULL, 0 , NULL, NULL, NULL);
3940 if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
3941 glusterfs_iocb_has_stat="yes"
3944 if test "$glusterfs" = "yes" ; then
3945 feature_not_found "GlusterFS backend support" \
3946 "Install glusterfs-api devel >= 3"
3952 # Check for inotify functions when we are building linux-user
3953 # emulator. This is done because older glibc versions don't
3954 # have syscall stubs for these implemented. In that case we
3955 # don't provide them even if kernel supports them.
3959 #include <sys/inotify.h>
3964 /* try to start inotify */
3965 return inotify_init();
3968 if compile_prog "" "" ; then
3974 #include <sys/inotify.h>
3979 /* try to start inotify */
3980 return inotify_init1(0);
3983 if compile_prog "" "" ; then
3987 # check if pipe2 is there
3996 return pipe2(pipefd, O_CLOEXEC);
3999 if compile_prog "" "" ; then
4003 # check if accept4 is there
4006 #include <sys/socket.h>
4011 accept4(0, NULL, NULL, SOCK_CLOEXEC);
4015 if compile_prog "" "" ; then
4019 # check if tee/splice is there. vmsplice was added same time.
4029 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4030 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4034 if compile_prog "" "" ; then
4038 ##########################################
4041 if test "$numa" != "no" ; then
4044 int main(void) { return numa_available(); }
4047 if compile_prog "" "-lnuma" ; then
4051 if test "$numa" = "yes" ; then
4052 feature_not_found "numa" "install numactl devel"
4059 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4060 echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4062 elif test "$tcmalloc" = "yes" ; then
4064 elif test "$jemalloc" = "yes" ; then
4068 ##########################################
4073 #include <sys/syscall.h>
4075 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4078 if compile_prog "" "" ; then
4082 # check if optreset global is declared by <getopt.h>
4086 int main(void) { return optreset; }
4089 if compile_prog "" "" ; then
4093 # check if eventfd is supported
4096 #include <sys/eventfd.h>
4100 return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4103 if compile_prog "" "" ; then
4107 # check if memfd is supported
4110 #include <sys/mman.h>
4114 return memfd_create("foo", MFD_ALLOW_SEALING);
4117 if compile_prog "" "" ; then
4123 if test "$linux_user" = "yes"; then
4125 #include <linux/usbdevice_fs.h>
4127 #ifndef USBDEVFS_GET_CAPABILITIES
4128 #error "USBDEVFS_GET_CAPABILITIES undefined"
4131 #ifndef USBDEVFS_DISCONNECT_CLAIM
4132 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4140 if compile_prog "" ""; then
4145 # check for fallocate
4152 fallocate(0, 0, 0, 0);
4156 if compile_prog "" "" ; then
4160 # check for fallocate hole punching
4161 fallocate_punch_hole=no
4164 #include <linux/falloc.h>
4168 fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4172 if compile_prog "" "" ; then
4173 fallocate_punch_hole=yes
4176 # check that fallocate supports range zeroing inside the file
4177 fallocate_zero_range=no
4180 #include <linux/falloc.h>
4184 fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4188 if compile_prog "" "" ; then
4189 fallocate_zero_range=yes
4192 # check for posix_fallocate
4199 posix_fallocate(0, 0, 0);
4203 if compile_prog "" "" ; then
4207 # check for sync_file_range
4214 sync_file_range(0, 0, 0, 0);
4218 if compile_prog "" "" ; then
4222 # check for linux/fiemap.h and FS_IOC_FIEMAP
4225 #include <sys/ioctl.h>
4226 #include <linux/fs.h>
4227 #include <linux/fiemap.h>
4231 ioctl(0, FS_IOC_FIEMAP, 0);
4235 if compile_prog "" "" ; then
4250 if compile_prog "" "" ; then
4254 # check for ppoll support
4261 struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4262 ppoll(&pfd, 1, 0, 0);
4266 if compile_prog "" "" ; then
4270 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4271 prctl_pr_set_timerslack=no
4273 #include <sys/prctl.h>
4277 prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4281 if compile_prog "" "" ; then
4282 prctl_pr_set_timerslack=yes
4285 # check for epoll support
4288 #include <sys/epoll.h>
4296 if compile_prog "" "" ; then
4300 # epoll_create1 is a later addition
4301 # so we must check separately for its presence
4304 #include <sys/epoll.h>
4308 /* Note that we use epoll_create1 as a value, not as
4309 * a function being called. This is necessary so that on
4310 * old SPARC glibc versions where the function was present in
4311 * the library but not declared in the header file we will
4312 * fail the configure check. (Otherwise we will get a compiler
4313 * warning but not an error, and will proceed to fail the
4314 * qemu compile where we compile with -Werror.)
4316 return (int)(uintptr_t)&epoll_create1;
4319 if compile_prog "" "" ; then
4323 # check for sendfile support
4326 #include <sys/sendfile.h>
4330 return sendfile(0, 0, 0, 0);
4333 if compile_prog "" "" ; then
4337 # check for timerfd support (glibc 2.8 and newer)
4340 #include <sys/timerfd.h>
4344 return(timerfd_create(CLOCK_REALTIME, 0));
4347 if compile_prog "" "" ; then
4351 # check for setns and unshare support
4364 if compile_prog "" "" ; then
4368 # clock_adjtime probe
4375 return clock_adjtime(0, 0);
4379 if compile_prog "" "" ; then
4394 if compile_prog "" "" ; then
4398 # check for kcov support (kernel must be 4.4+, compiled with certain options)
4400 if check_include sys/kcov.h ; then
4404 # check for btrfs filesystem support (kernel must be 3.9+)
4406 if check_include linux/btrfs.h ; then
4410 # Search for bswap_32 function
4413 #include <byteswap.h>
4414 int main(void) { return bswap_32(0); }
4416 if compile_prog "" "" ; then
4420 # Search for bswap32 function
4423 #include <sys/endian.h>
4424 #include <sys/types.h>
4425 #include <machine/bswap.h>
4426 int main(void) { return bswap32(0); }
4428 if compile_prog "" "" ; then
4432 ##########################################
4433 # Do we have libiscsi >= 1.9.0
4434 if test "$libiscsi" != "no" ; then
4435 if $pkg_config --atleast-version=1.9.0 libiscsi; then
4437 libiscsi_cflags=$($pkg_config --cflags libiscsi)
4438 libiscsi_libs=$($pkg_config --libs libiscsi)
4440 if test "$libiscsi" = "yes" ; then
4441 feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4447 ##########################################
4449 # uClibc provides 2 versions of clock_gettime(), one with realtime
4450 # support and one without. This means that the clock_gettime() don't
4451 # need -lrt. We still need it for timer_create() so we check for this
4452 # function in addition.
4457 timer_create(CLOCK_REALTIME, NULL, NULL);
4458 return clock_gettime(CLOCK_REALTIME, NULL);
4462 if compile_prog "" "" ; then
4464 # we need pthread for static linking. use previous pthread test result
4465 elif compile_prog "" "$pthread_lib -lrt" ; then
4469 # Check whether we have openpty() in either libc or libutil
4471 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4472 int main(void) { return openpty(0, 0, 0, 0, 0); }
4476 if compile_prog "" "" ; then
4479 if compile_prog "" "-lutil" ; then
4484 ##########################################
4486 if test "$spice" != "no" ; then
4489 int main(void) { spice_server_new(); return 0; }
4491 spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4492 spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4493 if $pkg_config --atleast-version=0.12.5 spice-server && \
4494 $pkg_config --atleast-version=0.12.3 spice-protocol && \
4495 compile_prog "$spice_cflags" "$spice_libs" ; then
4498 if test "$spice" = "yes" ; then
4499 feature_not_found "spice" \
4500 "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4506 # check for smartcard support
4507 if test "$smartcard" != "no"; then
4508 if $pkg_config --atleast-version=2.5.1 libcacard; then
4509 libcacard_cflags=$($pkg_config --cflags libcacard)
4510 libcacard_libs=$($pkg_config --libs libcacard)
4513 if test "$smartcard" = "yes"; then
4514 feature_not_found "smartcard" "Install libcacard devel"
4521 if test "$libusb" != "no" ; then
4522 if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4524 libusb_cflags=$($pkg_config --cflags libusb-1.0)
4525 libusb_libs=$($pkg_config --libs libusb-1.0)
4527 if test "$libusb" = "yes"; then
4528 feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4534 # check for usbredirparser for usb network redirection support
4535 if test "$usb_redir" != "no" ; then
4536 if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4538 usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4539 usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4541 if test "$usb_redir" = "yes"; then
4542 feature_not_found "usb-redir" "Install usbredir devel"
4548 ##########################################
4549 # check if we have VSS SDK headers for win
4551 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4552 test "$vss_win32_sdk" != "no" ; then
4553 case "$vss_win32_sdk" in
4554 "") vss_win32_include="-isystem $source_path" ;;
4555 *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4556 # handle path with spaces. So we symlink the headers into ".sdk/vss".
4557 vss_win32_include="-isystem $source_path/.sdk/vss"
4558 symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4560 *) vss_win32_include="-isystem $vss_win32_sdk"
4563 #define __MIDL_user_allocate_free_DEFINED__
4564 #include <inc/win2003/vss.h>
4565 int main(void) { return VSS_CTX_BACKUP; }
4567 if compile_prog "$vss_win32_include" "" ; then
4568 guest_agent_with_vss="yes"
4569 QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4570 libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4571 qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4573 if test "$vss_win32_sdk" != "" ; then
4574 echo "ERROR: Please download and install Microsoft VSS SDK:"
4575 echo "ERROR: http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4576 echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4577 echo "ERROR: scripts/extract-vsssdk-headers setup.exe"
4578 echo "ERROR: The headers are extracted in the directory \`inc'."
4579 feature_not_found "VSS support"
4581 guest_agent_with_vss="no"
4585 ##########################################
4586 # lookup Windows platform SDK (if not specified)
4587 # The SDK is needed only to build .tlb (type library) file of guest agent
4588 # VSS provider from the source. It is usually unnecessary because the
4589 # pre-compiled .tlb file is included.
4591 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4592 test "$guest_agent_with_vss" = "yes" ; then
4593 if test -z "$win_sdk"; then
4594 programfiles="$PROGRAMFILES"
4595 test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4596 if test -n "$programfiles"; then
4597 win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4599 feature_not_found "Windows SDK"
4601 elif test "$win_sdk" = "no"; then
4606 ##########################################
4607 # check if mingw environment provides a recent ntddscsi.h
4608 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4610 #include <windows.h>
4611 #include <ntddscsi.h>
4613 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4614 #error Missing required ioctl definitions
4616 SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4620 if compile_prog "" "" ; then
4621 guest_agent_ntddscsi=yes
4622 libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
4626 ##########################################
4627 # virgl renderer probe
4629 if test "$virglrenderer" != "no" ; then
4631 #include <virglrenderer.h>
4632 int main(void) { virgl_renderer_poll(); return 0; }
4634 virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4635 virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4636 virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
4637 if $pkg_config virglrenderer >/dev/null 2>&1 && \
4638 compile_prog "$virgl_cflags" "$virgl_libs" ; then
4641 if test "$virglrenderer" = "yes" ; then
4642 feature_not_found "virglrenderer"
4648 ##########################################
4652 auto | enabled | internal)
4653 # Simpler to always update submodule, even if not needed.
4654 if test -e "${source_path}/.git" && test $git_update = 'yes' ; then
4655 git_submodules="${git_submodules} capstone"
4660 ##########################################
4661 # check if we have fdatasync
4667 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4668 return fdatasync(0);
4670 #error Not supported
4674 if compile_prog "" "" ; then
4678 ##########################################
4679 # check if we have madvise
4683 #include <sys/types.h>
4684 #include <sys/mman.h>
4686 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4688 if compile_prog "" "" ; then
4692 ##########################################
4693 # check if we have posix_madvise
4697 #include <sys/mman.h>
4699 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4701 if compile_prog "" "" ; then
4705 ##########################################
4706 # check if we have posix_memalign()
4713 return posix_memalign(&p, 8, 8);
4716 if compile_prog "" "" ; then
4720 ##########################################
4721 # check if we have posix_syslog
4726 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4728 if compile_prog "" "" ; then
4732 ##########################################
4733 # check if we have sem_timedwait
4737 #include <semaphore.h>
4738 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
4740 if compile_prog "" "" ; then
4744 ##########################################
4745 # check if we have strchrnul
4751 // Use a haystack that the compiler shouldn't be able to constant fold
4752 char *haystack = (char*)&main;
4753 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
4755 if compile_prog "" "" ; then
4759 #########################################
4760 # check if we have st_atim
4764 #include <sys/stat.h>
4766 int main(void) { return offsetof(struct stat, st_atim); }
4768 if compile_prog "" "" ; then
4772 ##########################################
4773 # check if trace backend exists
4775 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends > /dev/null 2> /dev/null
4776 if test "$?" -ne 0 ; then
4777 error_exit "invalid trace backends" \
4778 "Please choose supported trace backends."
4781 ##########################################
4782 # For 'ust' backend, test if ust headers are present
4783 if have_backend "ust"; then
4785 #include <lttng/tracepoint.h>
4786 int main(void) { return 0; }
4788 if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4789 if $pkg_config lttng-ust --exists; then
4790 lttng_ust_libs=$($pkg_config --libs lttng-ust)
4792 lttng_ust_libs="-llttng-ust -ldl"
4794 if $pkg_config liburcu-bp --exists; then
4795 urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4797 urcu_bp_libs="-lurcu-bp"
4800 error_exit "Trace backend 'ust' missing lttng-ust header files"
4804 ##########################################
4805 # For 'dtrace' backend, test if 'dtrace' command is present
4806 if have_backend "dtrace"; then
4807 if ! has 'dtrace' ; then
4808 error_exit "dtrace command is not found in PATH $PATH"
4810 trace_backend_stap="no"
4811 if has 'stap' ; then
4812 trace_backend_stap="yes"
4816 ##########################################
4817 # check and set a backend for coroutine
4819 # We prefer ucontext, but it's not always possible. The fallback
4820 # is sigcontext. On Windows the only valid backend is the Windows
4824 if test "$darwin" != "yes"; then
4826 #include <ucontext.h>
4827 #ifdef __stub_makecontext