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 $source_path/ui/keycodemapdb/README"
265 echo "This is not a GIT checkout but module content appears to"
266 echo "be missing. Do not use 'git archive' or GitHub download links"
267 echo "to acquire QEMU source archives. Non-GIT builds are only"
268 echo "supported with source archives linked from:"
270 echo " https://www.qemu.org/download/#source"
272 echo "Developers working with GIT can use scripts/archive-source.sh"
273 echo "if they need to create valid source archives."
280 # Don't accept a target_list environment variable.
282 unset target_list_exclude
284 # Default value for a variable defining feature "foo".
285 # * foo="no" feature will only be used if --enable-foo arg is given
286 # * foo="" feature will be searched for, and if found, will be used
287 # unless --disable-foo is given
288 # * foo="yes" this value will only be set by --enable-foo flag.
289 # feature will searched for,
290 # if not found, configure exits with error
292 # Always add --enable-foo and --disable-foo command line args.
293 # Distributions want to ensure that several features are compiled in, and it
294 # is impossible without a --enable-foo that exits if a feature is not found.
317 xen_pci_passthrough="auto"
389 guest_agent_with_vss="no"
390 guest_agent_ntddscsi="no"
399 debug_stack_usage="no"
403 glusterfs_xlator_opt="no"
404 glusterfs_discard="no"
405 glusterfs_fallocate="no"
406 glusterfs_zerofill="no"
407 glusterfs_ftruncate_has_stat="no"
408 glusterfs_iocb_has_stat="no"
411 tls_priority="NORMAL"
418 qemu_private_xts="yes"
424 live_block_migration="yes"
441 default_devices="yes"
455 # parse CC options first
457 optarg=$(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
623 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
624 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
629 if test ! -z "$cpu" ; then
630 # command line argument
632 elif check_define __i386__ ; then
634 elif check_define __x86_64__ ; then
635 if check_define __ILP32__ ; then
640 elif check_define __sparc__ ; then
641 if check_define __arch64__ ; then
646 elif check_define _ARCH_PPC ; then
647 if check_define _ARCH_PPC64 ; then
648 if check_define _LITTLE_ENDIAN ; then
656 elif check_define __mips__ ; then
658 elif check_define __s390__ ; then
659 if check_define __s390x__ ; then
664 elif check_define __riscv ; then
665 if check_define _LP64 ; then
670 elif check_define __arm__ ; then
672 elif check_define __aarch64__ ; then
679 # Normalise host CPU name and set ARCH.
680 # Note that this case should only have supported host CPUs, not guests.
682 ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
687 i386|i486|i586|i686|i86pc|BePC)
706 # This will result in either an error or falling back to TCI later
710 if test -z "$ARCH"; then
720 audio_possible_drivers="dsound sdl"
721 if check_include dsound.h; then
722 audio_drv_list="dsound"
731 audio_drv_list="oss try-sdl"
732 audio_possible_drivers="oss sdl pa"
737 audio_drv_list="oss try-sdl"
738 audio_possible_drivers="oss sdl pa"
739 # needed for kinfo_getvmmap(3) in libutil.h
740 netmap="" # enable netmap autodetect
745 audio_drv_list="oss try-sdl"
746 audio_possible_drivers="oss sdl pa"
751 audio_drv_list="oss try-sdl"
752 audio_possible_drivers="oss sdl"
758 audio_drv_list="try-sdl"
759 audio_possible_drivers="sdl"
764 if [ "$cpu" = "x86_64" ] ; then
765 QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
766 QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
769 audio_drv_list="coreaudio try-sdl"
770 audio_possible_drivers="coreaudio sdl"
771 QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
772 # Disable attempts to use ObjectiveC features in os/object.h since they
773 # won't work when we're compiling with gcc as a C compiler.
774 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
779 smbd="${SMBD-/usr/sfw/sbin/smbd}"
780 if test -f /usr/include/sys/soundcard.h ; then
781 audio_drv_list="oss try-sdl"
783 audio_possible_drivers="oss sdl"
784 # needed for CMSG_ macros in sys/socket.h
785 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
786 # needed for TIOCWIN* defines in termios.h
787 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
791 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -DBSD_SOURCE $QEMU_CFLAGS"
794 audio_drv_list="try-pa oss"
795 audio_possible_drivers="oss alsa sdl pa"
801 if [ "$bsd" = "yes" ] ; then
802 if [ "$darwin" != "yes" ] ; then
807 : ${make=${MAKE-make}}
809 # We prefer python 3.x. A bare 'python' is traditionally
810 # python 2.x, but some distros have it as python 3.x, so
814 for binary in "${PYTHON-python3}" python
818 python=$(command -v "$binary")
824 # Check for ancillary tools used in testing
826 for binary in genisoimage mkisofs
830 genisoimage=$(command -v "$binary")
835 : ${smbd=${SMBD-/usr/sbin/smbd}}
837 # Default objcc to clang if available, otherwise use CC
844 if test "$mingw32" = "yes" ; then
847 # MinGW needs -mthreads for TLS and macro _MT.
848 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
852 libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
858 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
860 --help|-h) show_help=yes
862 --version|-V) exec cat $source_path/VERSION
864 --prefix=*) prefix="$optarg"
866 --interp-prefix=*) interp_prefix="$optarg"
872 --host-cc=*) host_cc="$optarg"
876 --iasl=*) iasl="$optarg"
878 --objcc=*) objcc="$optarg"
880 --make=*) make="$optarg"
884 --python=*) python="$optarg" ; explicit_python=yes
886 --sphinx-build=*) sphinx_build="$optarg"
888 --skip-meson) skip_meson=yes
890 --meson=*) meson="$optarg"
892 --ninja=*) ninja="$optarg"
894 --smbd=*) smbd="$optarg"
904 --disable-debug-info)
914 --disable-module-upgrades) module_upgrades="no"
916 --enable-module-upgrades) module_upgrades="yes"
920 --target-list=*) target_list="$optarg"
921 if test "$target_list_exclude"; then
922 error_exit "Can't mix --target-list with --target-list-exclude"
925 --target-list-exclude=*) target_list_exclude="$optarg"
926 if test "$target_list"; then
927 error_exit "Can't mix --target-list-exclude with --target-list"
930 --enable-trace-backends=*) trace_backends="$optarg"
932 # XXX: backwards compatibility
933 --enable-trace-backend=*) trace_backends="$optarg"
935 --with-trace-file=*) trace_file="$optarg"
937 --with-default-devices) default_devices="yes"
939 --without-default-devices) default_devices="no"
941 --enable-gprof) gprof="yes"
943 --enable-gcov) gcov="yes"
947 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
949 --mandir=*) mandir="$optarg"
951 --bindir=*) bindir="$optarg"
953 --libdir=*) libdir="$optarg"
955 --libexecdir=*) libexecdir="$optarg"
957 --includedir=*) includedir="$optarg"
959 --datadir=*) datadir="$optarg"
961 --with-suffix=*) qemu_suffix="$optarg"
963 --docdir=*) docdir="$optarg"
965 --sysconfdir=*) sysconfdir="$optarg"
967 --localstatedir=*) local_statedir="$optarg"
969 --firmwarepath=*) firmwarepath="$optarg"
972 --disable-dependency-tracking|\
973 --sbindir=*|--sharedstatedir=*|\
974 --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
975 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
976 # These switches are silently ignored, for compatibility with
977 # autoconf-generated configure scripts. This allows QEMU's
978 # configure to be used by RPM and similar macros that set
979 # lots of directory switches by default.
981 --disable-sdl) sdl="disabled"
983 --enable-sdl) sdl="enabled"
985 --disable-sdl-image) sdl_image="disabled"
987 --enable-sdl-image) sdl_image="enabled"
989 --disable-qom-cast-debug) qom_cast_debug="no"
991 --enable-qom-cast-debug) qom_cast_debug="yes"
993 --disable-virtfs) virtfs="no"
995 --enable-virtfs) virtfs="yes"
997 --disable-libudev) libudev="disabled"
999 --enable-libudev) libudev="enabled"
1001 --disable-mpath) mpath="disabled"
1003 --enable-mpath) mpath="enabled"
1005 --disable-vnc) vnc="disabled"
1007 --enable-vnc) vnc="enabled"
1009 --disable-gettext) gettext="false"
1011 --enable-gettext) gettext="true"
1013 --oss-lib=*) oss_lib="$optarg"
1015 --audio-drv-list=*) audio_drv_list="$optarg"
1017 --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1019 --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1021 --enable-debug-tcg) debug_tcg="yes"
1023 --disable-debug-tcg) debug_tcg="no"
1026 # Enable debugging options that aren't excessively noisy
1033 --enable-sanitizers) sanitizers="yes"
1035 --disable-sanitizers) sanitizers="no"
1037 --enable-tsan) tsan="yes"
1039 --disable-tsan) tsan="no"
1041 --enable-sparse) sparse="enabled"
1043 --disable-sparse) sparse="disabled"
1045 --disable-strip) strip_opt="no"
1047 --disable-vnc-sasl) vnc_sasl="disabled"
1049 --enable-vnc-sasl) vnc_sasl="enabled"
1051 --disable-vnc-jpeg) vnc_jpeg="disabled"
1053 --enable-vnc-jpeg) vnc_jpeg="enabled"
1055 --disable-vnc-png) vnc_png="disabled"
1057 --enable-vnc-png) vnc_png="enabled"
1059 --disable-slirp) slirp="disabled"
1061 --enable-slirp=git) slirp="internal"
1063 --enable-slirp=system) slirp="system"
1065 --disable-vde) vde="no"
1067 --enable-vde) vde="yes"
1069 --disable-netmap) netmap="no"
1071 --enable-netmap) netmap="yes"
1073 --disable-xen) xen="disabled"
1075 --enable-xen) xen="enabled"
1077 --disable-xen-pci-passthrough) xen_pci_passthrough="disabled"
1079 --enable-xen-pci-passthrough) xen_pci_passthrough="enabled"
1081 --disable-brlapi) brlapi="no"
1083 --enable-brlapi) brlapi="yes"
1085 --disable-kvm) kvm="disabled"
1087 --enable-kvm) kvm="enabled"
1089 --disable-hax) hax="disabled"
1091 --enable-hax) hax="enabled"
1093 --disable-hvf) hvf="disabled"
1095 --enable-hvf) hvf="enabled"
1097 --disable-whpx) whpx="disabled"
1099 --enable-whpx) whpx="enabled"
1101 --disable-tcg-interpreter) tcg_interpreter="no"
1103 --enable-tcg-interpreter) tcg_interpreter="yes"
1105 --disable-cap-ng) cap_ng="no"
1107 --enable-cap-ng) cap_ng="yes"
1109 --disable-tcg) tcg="disabled"
1111 --enable-tcg) tcg="enabled"
1113 --disable-malloc-trim) malloc_trim="disabled"
1115 --enable-malloc-trim) malloc_trim="enabled"
1117 --disable-spice) spice="no"
1119 --enable-spice) spice="yes"
1121 --disable-libiscsi) libiscsi="no"
1123 --enable-libiscsi) libiscsi="yes"
1125 --disable-libnfs) libnfs="no"
1127 --enable-libnfs) libnfs="yes"
1129 --enable-profiler) profiler="yes"
1131 --disable-cocoa) cocoa="disabled"
1135 audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1137 --disable-system) softmmu="no"
1139 --enable-system) softmmu="yes"
1146 --disable-linux-user) linux_user="no"
1148 --enable-linux-user) linux_user="yes"
1150 --disable-bsd-user) bsd_user="no"
1152 --enable-bsd-user) bsd_user="yes"
1154 --enable-pie) pie="yes"
1156 --disable-pie) pie="no"
1158 --enable-werror) werror="yes"
1160 --disable-werror) werror="no"
1162 --enable-stack-protector) stack_protector="yes"
1164 --disable-stack-protector) stack_protector="no"
1166 --enable-safe-stack) safe_stack="yes"
1168 --disable-safe-stack) safe_stack="no"
1170 --disable-curses) curses="disabled"
1172 --enable-curses) curses="enabled"
1174 --disable-iconv) iconv="disabled"
1176 --enable-iconv) iconv="enabled"
1178 --disable-curl) curl="no"
1180 --enable-curl) curl="yes"
1182 --disable-fdt) fdt="disabled"
1184 --enable-fdt) fdt="enabled"
1186 --enable-fdt=git) fdt="internal"
1188 --enable-fdt=system) fdt="system"
1190 --disable-linux-aio) linux_aio="no"
1192 --enable-linux-aio) linux_aio="yes"
1194 --disable-linux-io-uring) linux_io_uring="no"
1196 --enable-linux-io-uring) linux_io_uring="yes"
1198 --disable-attr) attr="no"
1200 --enable-attr) attr="yes"
1202 --disable-membarrier) membarrier="no"
1204 --enable-membarrier) membarrier="yes"
1206 --disable-blobs) blobs="no"
1208 --with-pkgversion=*) pkgversion="$optarg"
1210 --with-coroutine=*) coroutine="$optarg"
1212 --disable-coroutine-pool) coroutine_pool="no"
1214 --enable-coroutine-pool) coroutine_pool="yes"
1216 --enable-debug-stack-usage) debug_stack_usage="yes"
1218 --enable-crypto-afalg) crypto_afalg="yes"
1220 --disable-crypto-afalg) crypto_afalg="no"
1222 --disable-docs) docs="disabled"
1224 --enable-docs) docs="enabled"
1226 --disable-vhost-net) vhost_net="no"
1228 --enable-vhost-net) vhost_net="yes"
1230 --disable-vhost-crypto) vhost_crypto="no"
1232 --enable-vhost-crypto) vhost_crypto="yes"
1234 --disable-vhost-scsi) vhost_scsi="no"
1236 --enable-vhost-scsi) vhost_scsi="yes"
1238 --disable-vhost-vsock) vhost_vsock="no"
1240 --enable-vhost-vsock) vhost_vsock="yes"
1242 --disable-vhost-user-fs) vhost_user_fs="no"
1244 --enable-vhost-user-fs) vhost_user_fs="yes"
1246 --disable-opengl) opengl="no"
1248 --enable-opengl) opengl="yes"
1250 --disable-rbd) rbd="no"
1252 --enable-rbd) rbd="yes"
1254 --disable-xfsctl) xfs="no"
1256 --enable-xfsctl) xfs="yes"
1258 --disable-smartcard) smartcard="no"
1260 --enable-smartcard) smartcard="yes"
1262 --disable-u2f) u2f="disabled"
1264 --enable-u2f) u2f="enabled"
1266 --disable-libusb) libusb="no"
1268 --enable-libusb) libusb="yes"
1270 --disable-usb-redir) usb_redir="no"
1272 --enable-usb-redir) usb_redir="yes"
1274 --disable-zlib-test)
1276 --disable-lzo) lzo="no"
1278 --enable-lzo) lzo="yes"
1280 --disable-snappy) snappy="no"
1282 --enable-snappy) snappy="yes"
1284 --disable-bzip2) bzip2="no"
1286 --enable-bzip2) bzip2="yes"
1288 --enable-lzfse) lzfse="yes"
1290 --disable-lzfse) lzfse="no"
1292 --disable-zstd) zstd="no"
1294 --enable-zstd) zstd="yes"
1296 --enable-guest-agent) guest_agent="yes"
1298 --disable-guest-agent) guest_agent="no"
1300 --enable-guest-agent-msi) guest_agent_msi="yes"
1302 --disable-guest-agent-msi) guest_agent_msi="no"
1304 --with-vss-sdk) vss_win32_sdk=""
1306 --with-vss-sdk=*) vss_win32_sdk="$optarg"
1308 --without-vss-sdk) vss_win32_sdk="no"
1310 --with-win-sdk) win_sdk=""
1312 --with-win-sdk=*) win_sdk="$optarg"
1314 --without-win-sdk) win_sdk="no"
1316 --enable-tools) want_tools="yes"
1318 --disable-tools) want_tools="no"
1320 --enable-seccomp) seccomp="yes"
1322 --disable-seccomp) seccomp="no"
1324 --disable-glusterfs) glusterfs="no"
1326 --disable-avx2) avx2_opt="no"
1328 --enable-avx2) avx2_opt="yes"
1330 --disable-avx512f) avx512f_opt="no"
1332 --enable-avx512f) avx512f_opt="yes"
1335 --enable-glusterfs) glusterfs="yes"
1337 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1338 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1340 --enable-vhdx|--disable-vhdx)
1341 echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1343 --enable-uuid|--disable-uuid)
1344 echo "$0: $opt is obsolete, UUID support is always built" >&2
1346 --disable-gtk) gtk="no"
1348 --enable-gtk) gtk="yes"
1350 --tls-priority=*) tls_priority="$optarg"
1352 --disable-gnutls) gnutls="no"
1354 --enable-gnutls) gnutls="yes"
1356 --disable-nettle) nettle="no"
1358 --enable-nettle) nettle="yes"
1360 --disable-gcrypt) gcrypt="no"
1362 --enable-gcrypt) gcrypt="yes"
1364 --disable-auth-pam) auth_pam="no"
1366 --enable-auth-pam) auth_pam="yes"
1368 --enable-rdma) rdma="yes"
1370 --disable-rdma) rdma="no"
1372 --enable-pvrdma) pvrdma="yes"
1374 --disable-pvrdma) pvrdma="no"
1376 --disable-vte) vte="no"
1378 --enable-vte) vte="yes"
1380 --disable-virglrenderer) virglrenderer="no"
1382 --enable-virglrenderer) virglrenderer="yes"
1384 --disable-tpm) tpm="no"
1386 --enable-tpm) tpm="yes"
1388 --disable-libssh) libssh="no"
1390 --enable-libssh) libssh="yes"
1392 --disable-live-block-migration) live_block_migration="no"
1394 --enable-live-block-migration) live_block_migration="yes"
1396 --disable-numa) numa="no"
1398 --enable-numa) numa="yes"
1400 --disable-libxml2) libxml2="no"
1402 --enable-libxml2) libxml2="yes"
1404 --disable-tcmalloc) tcmalloc="no"
1406 --enable-tcmalloc) tcmalloc="yes"
1408 --disable-jemalloc) jemalloc="no"
1410 --enable-jemalloc) jemalloc="yes"
1412 --disable-replication) replication="no"
1414 --enable-replication) replication="yes"
1416 --disable-bochs) bochs="no"
1418 --enable-bochs) bochs="yes"
1420 --disable-cloop) cloop="no"
1422 --enable-cloop) cloop="yes"
1424 --disable-dmg) dmg="no"
1426 --enable-dmg) dmg="yes"
1428 --disable-qcow1) qcow1="no"
1430 --enable-qcow1) qcow1="yes"
1432 --disable-vdi) vdi="no"
1434 --enable-vdi) vdi="yes"
1436 --disable-vvfat) vvfat="no"
1438 --enable-vvfat) vvfat="yes"
1440 --disable-qed) qed="no"
1442 --enable-qed) qed="yes"
1444 --disable-parallels) parallels="no"
1446 --enable-parallels) parallels="yes"
1448 --disable-sheepdog) sheepdog="no"
1450 --enable-sheepdog) sheepdog="yes"
1452 --disable-vhost-user) vhost_user="no"
1454 --enable-vhost-user) vhost_user="yes"
1456 --disable-vhost-vdpa) vhost_vdpa="no"
1458 --enable-vhost-vdpa) vhost_vdpa="yes"
1460 --disable-vhost-kernel) vhost_kernel="no"
1462 --enable-vhost-kernel) vhost_kernel="yes"
1464 --disable-capstone) capstone="disabled"
1466 --enable-capstone) capstone="enabled"
1468 --enable-capstone=git) capstone="internal"
1470 --enable-capstone=system) capstone="system"
1472 --with-git=*) git="$optarg"
1474 --enable-git-update) git_update=yes
1476 --disable-git-update) git_update=no
1478 --enable-debug-mutex) debug_mutex=yes
1480 --disable-debug-mutex) debug_mutex=no
1482 --enable-libpmem) libpmem=yes
1484 --disable-libpmem) libpmem=no
1486 --enable-xkbcommon) xkbcommon="enabled"
1488 --disable-xkbcommon) xkbcommon="disabled"
1490 --enable-plugins) plugins="yes"
1492 --disable-plugins) plugins="no"
1494 --enable-containers) use_containers="yes"
1496 --disable-containers) use_containers="no"
1498 --enable-fuzzing) fuzzing=yes
1500 --disable-fuzzing) fuzzing=no
1502 --gdb=*) gdb_bin="$optarg"
1504 --enable-rng-none) rng_none=yes
1506 --disable-rng-none) rng_none=no
1508 --enable-keyring) secret_keyring="yes"
1510 --disable-keyring) secret_keyring="no"
1512 --enable-libdaxctl) libdaxctl=yes
1514 --disable-libdaxctl) libdaxctl=no
1517 echo "ERROR: unknown option $opt"
1518 echo "Try '$0 --help' for more information"
1524 firmwarepath="${firmwarepath:-$prefix/share/qemu-firmware}"
1525 libdir="${libdir:-$prefix/lib}"
1526 libexecdir="${libexecdir:-$prefix/libexec}"
1527 includedir="${includedir:-$prefix/include}"
1529 if test "$mingw32" = "yes" ; then
1534 sysconfdir="$prefix"
1537 mandir="${mandir:-$prefix/share/man}"
1538 datadir="${datadir:-$prefix/share}"
1539 docdir="${docdir:-$prefix/share/doc}"
1540 bindir="${bindir:-$prefix/bin}"
1541 sysconfdir="${sysconfdir:-$prefix/etc}"
1542 local_statedir="${local_statedir:-$prefix/var}"
1548 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1552 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1555 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1556 QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1559 CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1560 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1564 QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1568 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1572 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1575 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1576 # If we truly care, we should simply detect this case at
1577 # runtime and generate the fallback to serial emulation.
1578 CPU_CFLAGS="-m64 -mcx16"
1579 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1583 QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1585 # No special flags required for other host CPUs
1588 eval "cross_cc_${cpu}=\$host_cc"
1589 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1590 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1592 # For user-mode emulation the host arch has to be one we explicitly
1593 # support, even if we're using TCI.
1594 if [ "$ARCH" = "unknown" ]; then
1599 default_target_list=""
1600 deprecated_targets_list=ppc64abi32-linux-user,tilegx-linux-user,lm32-softmmu,unicore32-softmmu
1601 deprecated_features=""
1604 if [ "$softmmu" = "yes" ]; then
1605 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-softmmu.mak"
1607 if [ "$linux_user" = "yes" ]; then
1608 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-linux-user.mak"
1610 if [ "$bsd_user" = "yes" ]; then
1611 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-bsd-user.mak"
1614 # If the user doesn't explicitly specify a deprecated target we will
1616 if test -z "$target_list"; then
1617 if test -z "$target_list_exclude"; then
1618 target_list_exclude="$deprecated_targets_list"
1620 target_list_exclude="$target_list_exclude,$deprecated_targets_list"
1624 for config in $mak_wilds; do
1625 target="$(basename "$config" .mak)"
1626 if echo "$target_list_exclude" | grep -vq "$target"; then
1627 default_target_list="${default_target_list} $target"
1631 # Enumerate public trace backends for --help output
1632 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1634 if test x"$show_help" = x"yes" ; then
1637 Usage: configure [options]
1638 Options: [defaults in brackets after descriptions]
1641 --help print this message
1642 --prefix=PREFIX install in PREFIX [$prefix]
1643 --interp-prefix=PREFIX where to find shared libraries, etc.
1644 use %M for cpu name [$interp_prefix]
1645 --target-list=LIST set target list (default: build everything)
1646 $(echo Available targets: $default_target_list | \
1647 fold -s -w 53 | sed -e 's/^/ /')
1648 --target-list-exclude=LIST exclude a set of targets from the default target-list
1650 Advanced options (experts only):
1651 --cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]
1652 --cc=CC use C compiler CC [$cc]
1653 --iasl=IASL use ACPI compiler IASL [$iasl]
1654 --host-cc=CC use C compiler CC [$host_cc] for code run at
1656 --cxx=CXX use C++ compiler CXX [$cxx]
1657 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
1658 --extra-cflags=CFLAGS append extra C compiler flags QEMU_CFLAGS
1659 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1660 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
1661 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
1662 --cross-cc-flags-ARCH= use compiler flags when building ARCH guest tests
1663 --make=MAKE use specified make [$make]
1664 --python=PYTHON use specified python [$python]
1665 --sphinx-build=SPHINX use specified sphinx-build [$sphinx_build]
1666 --meson=MESON use specified meson [$meson]
1667 --ninja=NINJA use specified ninja [$ninja]
1668 --smbd=SMBD use specified smbd [$smbd]
1669 --with-git=GIT use specified git [$git]
1670 --static enable static build [$static]
1671 --mandir=PATH install man pages in PATH
1672 --datadir=PATH install firmware in PATH/$qemu_suffix
1673 --docdir=PATH install documentation in PATH/$qemu_suffix
1674 --bindir=PATH install binaries in PATH
1675 --libdir=PATH install libraries in PATH
1676 --libexecdir=PATH install helper binaries in PATH
1677 --sysconfdir=PATH install config in PATH/$qemu_suffix
1678 --localstatedir=PATH install local state in PATH (set at runtime on win32)
1679 --firmwarepath=PATH search PATH for firmware files
1680 --efi-aarch64=PATH PATH of efi file to use for aarch64 VMs.
1681 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
1682 --with-pkgversion=VERS use specified string as sub-version of the package
1683 --enable-debug enable common debug build options
1684 --enable-sanitizers enable default sanitizers
1685 --enable-tsan enable thread sanitizer
1686 --disable-strip disable stripping binaries
1687 --disable-werror disable compilation abort on warning
1688 --disable-stack-protector disable compiler-provided stack protection
1689 --audio-drv-list=LIST set audio drivers list:
1690 Available drivers: $audio_possible_drivers
1691 --block-drv-whitelist=L Same as --block-drv-rw-whitelist=L
1692 --block-drv-rw-whitelist=L
1693 set block driver read-write whitelist
1694 (affects only QEMU, not qemu-img)
1695 --block-drv-ro-whitelist=L
1696 set block driver read-only whitelist
1697 (affects only QEMU, not qemu-img)
1698 --enable-trace-backends=B Set trace backend
1699 Available backends: $trace_backend_list
1700 --with-trace-file=NAME Full PATH,NAME of file to store traces
1702 --disable-slirp disable SLIRP userspace network connectivity
1703 --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1704 --enable-malloc-trim enable libc malloc_trim() for memory optimization
1705 --oss-lib path to OSS library
1706 --cpu=CPU Build for host CPU [$cpu]
1707 --with-coroutine=BACKEND coroutine backend. Supported options:
1708 ucontext, sigaltstack, windows
1709 --enable-gcov enable test coverage analysis with gcov
1710 --disable-blobs disable installing provided firmware blobs
1711 --with-vss-sdk=SDK-path enable Windows VSS support in QEMU Guest Agent
1712 --with-win-sdk=SDK-path path to Windows Platform SDK (to build VSS .tlb)
1713 --tls-priority default TLS protocol/cipher priority string
1714 --enable-gprof QEMU profiling with gprof
1715 --enable-profiler profiler support
1716 --enable-debug-stack-usage
1717 track the maximum stack usage of stacks created by qemu_alloc_stack
1719 enable plugins via shared library loading
1720 --disable-containers don't use containers for cross-building
1721 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
1723 Optional features, enabled with --enable-FEATURE and
1724 disabled with --disable-FEATURE, default is enabled if available:
1726 system all system emulation targets
1727 user supported user emulation targets
1728 linux-user all linux usermode emulation targets
1729 bsd-user all BSD usermode emulation targets
1730 docs build documentation
1731 guest-agent build the QEMU Guest Agent
1732 guest-agent-msi build guest agent Windows MSI installation package
1733 pie Position Independent Executables
1734 modules modules support (non-Windows)
1735 module-upgrades try to load modules from alternate paths for upgrades
1736 debug-tcg TCG debugging (default is disabled)
1737 debug-info debugging information
1738 sparse sparse checker
1739 safe-stack SafeStack Stack Smash Protection. Depends on
1740 clang/llvm >= 3.7 and requires coroutine backend ucontext.
1742 gnutls GNUTLS cryptography support
1743 nettle nettle cryptography support
1744 gcrypt libgcrypt cryptography support
1745 auth-pam PAM access control
1747 sdl-image SDL Image support for icons
1749 vte vte support for the gtk UI
1751 iconv font glyph conversion support
1753 vnc-sasl SASL encryption for VNC server
1754 vnc-jpeg JPEG lossy compression for VNC server
1755 vnc-png PNG compression for VNC server
1756 cocoa Cocoa UI (Mac OS X only)
1758 libudev Use libudev to enumerate host devices
1759 mpath Multipath persistent reservation passthrough
1760 xen xen backend driver support
1761 xen-pci-passthrough PCI passthrough support for Xen
1762 brlapi BrlAPI (Braile)
1763 curl curl connectivity
1764 membarrier membarrier system call (for Linux 4.14+ or Windows)
1766 kvm KVM acceleration support
1767 hax HAX acceleration support
1768 hvf Hypervisor.framework acceleration support
1769 whpx Windows Hypervisor Platform acceleration support
1770 rdma Enable RDMA-based migration
1771 pvrdma Enable PVRDMA support
1772 vde support for vde network
1773 netmap support for netmap network
1774 linux-aio Linux AIO support
1775 linux-io-uring Linux io_uring support
1776 cap-ng libcap-ng support
1777 attr attr and xattr support
1778 vhost-net vhost-net kernel acceleration support
1779 vhost-vsock virtio sockets device support
1780 vhost-scsi vhost-scsi kernel target support
1781 vhost-crypto vhost-user-crypto backend support
1782 vhost-kernel vhost kernel backend support
1783 vhost-user vhost-user backend support
1784 vhost-vdpa vhost-vdpa kernel backend support
1786 rbd rados block device (rbd)
1787 libiscsi iscsi support
1789 smartcard smartcard support (libcacard)
1790 u2f U2F support (u2f-emu)
1791 libusb libusb (for usb passthrough)
1792 live-block-migration Block migration in the main migration stream
1793 usb-redir usb network redirection support
1794 lzo support of lzo compression library
1795 snappy support of snappy compression library
1796 bzip2 support of bzip2 compression library
1797 (for reading bzip2-compressed dmg images)
1798 lzfse support of lzfse compression library
1799 (for reading lzfse-compressed dmg images)
1800 zstd support for zstd compression library
1801 (for migration compression and qcow2 cluster compression)
1802 seccomp seccomp support
1803 coroutine-pool coroutine freelist (better performance)
1804 glusterfs GlusterFS backend
1806 libssh ssh block device support
1807 numa libnuma support
1808 libxml2 for Parallels image format
1809 tcmalloc tcmalloc support
1810 jemalloc jemalloc support
1811 avx2 AVX2 optimization support
1812 avx512f AVX512F optimization support
1813 replication replication support
1814 opengl opengl support
1815 virglrenderer virgl rendering support
1816 xfsctl xfsctl support
1817 qom-cast-debug cast debugging support
1818 tools build qemu-io, qemu-nbd and qemu-img tools
1819 bochs bochs image format support
1820 cloop cloop image format support
1821 dmg dmg image format support
1822 qcow1 qcow v1 image format support
1823 vdi vdi image format support
1824 vvfat vvfat image format support
1825 qed qed image format support
1826 parallels parallels image format support
1827 sheepdog sheepdog block driver support (deprecated)
1828 crypto-afalg Linux AF_ALG crypto backend driver
1829 capstone capstone disassembler support
1830 debug-mutex mutex debugging support
1831 libpmem libpmem support
1832 xkbcommon xkbcommon support
1833 rng-none dummy RNG, avoid using /dev/(u)random and getrandom()
1834 libdaxctl libdaxctl support
1836 NOTE: The object files are built at the place where configure is launched
1841 # Remove old dependency files to make sure that they get properly regenerated
1842 rm -f */config-devices.mak.d
1844 if test -z "$python"
1846 error_exit "Python not found. Use --python=/path/to/python"
1849 # Note that if the Python conditional here evaluates True we will exit
1850 # with status 1 which is a shell 'false' value.
1851 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
1852 error_exit "Cannot use '$python', Python >= 3.6 is required." \
1853 "Use --python=/path/to/python to specify a supported Python."
1856 # Preserve python version since some functionality is dependent on it
1857 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)
1859 # Suppress writing compiled files
1862 if test -z "$meson"; then
1863 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.3; then
1865 elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
1867 elif test -e "${source_path}/meson/meson.py" ; then
1870 if test "$explicit_python" = yes; then
1871 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1873 error_exit "Meson not found. Use --meson=/path/to/meson"
1877 # Meson uses its own Python interpreter to invoke other Python scripts,
1878 # but the user wants to use the one they specified with --python.
1880 # We do not want to override the distro Python interpreter (and sometimes
1881 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1882 # just require --meson=git|internal together with --python.
1883 if test "$explicit_python" = yes; then
1886 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1891 if test "$meson" = git; then
1892 git_submodules="${git_submodules} meson"
1897 if ! $python -c 'import pkg_resources' > /dev/null 2>&1; then
1898 error_exit "Python setuptools not found"
1900 meson="$python ${source_path}/meson/meson.py"
1902 *) meson=$(command -v "$meson") ;;
1907 if test -z "$ninja"; then
1908 for c in ninja ninja-build samu; do
1910 ninja=$(command -v "$c")
1914 if test -z "$ninja"; then
1915 error_exit "Cannot find Ninja"
1919 # Check that the C compiler works. Doing this here before testing
1920 # the host CPU ensures that we had a valid CC to autodetect the
1921 # $cpu var (and we should bail right here if that's not the case).
1922 # It also allows the help message to be printed without a CC.
1924 if compile_object ; then
1925 : C compiler works ok
1927 error_exit "\"$cc\" either does not exist or does not work"
1929 if ! compile_prog ; then
1930 error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1933 # Consult white-list to determine whether to enable werror
1934 # by default. Only enable by default for git builds
1935 if test -z "$werror" ; then
1936 if test -e "$source_path/.git" && \
1937 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1944 if test "$bogus_os" = "yes"; then
1945 # Now that we know that we're not printing the help and that
1946 # the compiler works (so the results of the check_defines we used
1947 # to identify the OS are reliable), if we didn't recognize the
1948 # host OS we should stop now.
1949 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1952 # Check whether the compiler matches our minimum requirements:
1954 #if defined(__clang_major__) && defined(__clang_minor__)
1955 # ifdef __apple_build_version__
1956 # if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1957 # error You need at least XCode Clang v5.1 to compile QEMU
1960 # if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1961 # error You need at least Clang v3.4 to compile QEMU
1964 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1965 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1966 # error You need at least GCC v4.8 to compile QEMU
1969 # error You either need GCC or Clang to compiler QEMU
1971 int main (void) { return 0; }
1973 if ! compile_prog "" "" ; then
1974 error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1977 # Accumulate -Wfoo and -Wno-bar separately.
1978 # We will list all of the enable flags first, and the disable flags second.
1979 # Note that we do not add -Werror, because that would enable it for all
1980 # configure tests. If a configure test failed due to -Werror this would
1981 # just silently disable some features, so it's too error prone.
1984 add_to warn_flags -Wold-style-declaration
1985 add_to warn_flags -Wold-style-definition
1986 add_to warn_flags -Wtype-limits
1987 add_to warn_flags -Wformat-security
1988 add_to warn_flags -Wformat-y2k
1989 add_to warn_flags -Winit-self
1990 add_to warn_flags -Wignored-qualifiers
1991 add_to warn_flags -Wempty-body
1992 add_to warn_flags -Wnested-externs
1993 add_to warn_flags -Wendif-labels
1994 add_to warn_flags -Wexpansion-to-defined
1997 add_to nowarn_flags -Wno-initializer-overrides
1998 add_to nowarn_flags -Wno-missing-include-dirs
1999 add_to nowarn_flags -Wno-shift-negative-value
2000 add_to nowarn_flags -Wno-string-plus-int
2001 add_to nowarn_flags -Wno-typedef-redefinition
2002 add_to nowarn_flags -Wno-tautological-type-limit-compare
2003 add_to nowarn_flags -Wno-psabi
2005 gcc_flags="$warn_flags $nowarn_flags"
2007 cc_has_warning_flag() {
2010 # Use the positive sense of the flag when testing for -Wno-wombat
2011 # support (gcc will happily accept the -Wno- form of unknown
2013 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2014 compile_prog "-Werror $optflag" ""
2017 for flag in $gcc_flags; do
2018 if cc_has_warning_flag $flag ; then
2019 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2023 if test "$stack_protector" != "no"; then
2025 int main(int argc, char *argv[])
2027 char arr[64], *p = arr, *c = argv[0];
2034 gcc_flags="-fstack-protector-strong -fstack-protector-all"
2036 for flag in $gcc_flags; do
2037 # We need to check both a compile and a link, since some compiler
2038 # setups fail only on a .c->.o compile and some only at link time
2039 if compile_object "-Werror $flag" &&
2040 compile_prog "-Werror $flag" ""; then
2041 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2042 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2047 if test "$stack_protector" = yes; then
2048 if test $sp_on = 0; then
2049 error_exit "Stack protector not supported"
2054 # Disable -Wmissing-braces on older compilers that warn even for
2055 # the "universal" C zero initializer {0}.
2061 if compile_object "-Werror" "" ; then
2064 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2067 # Our module code doesn't support Windows
2068 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2069 error_exit "Modules are not available for Windows"
2072 # module_upgrades is only reasonable if modules are enabled
2073 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2074 error_exit "Can't enable module-upgrades as Modules are not enabled"
2077 # Static linking is not possible with modules or PIE
2078 if test "$static" = "yes" ; then
2079 if test "$modules" = "yes" ; then
2080 error_exit "static and modules are mutually incompatible"
2084 # Unconditional check for compiler __thread support
2086 static __thread int tls_var;
2087 int main(void) { return tls_var; }
2090 if ! compile_prog "-Werror" "" ; then
2091 error_exit "Your compiler does not support the __thread specifier for " \
2092 "Thread-Local Storage (TLS). Please upgrade to a version that does."
2098 # define THREAD __thread
2102 static THREAD int tls_var;
2103 int main(void) { return tls_var; }
2106 # Check we support --no-pie first; we will need this for building ROMs.
2107 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2108 CFLAGS_NOPIE="-fno-pie"
2109 LDFLAGS_NOPIE="-no-pie"
2112 if test "$static" = "yes"; then
2113 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2114 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
2115 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2117 elif test "$pie" = "yes"; then
2118 error_exit "-static-pie not available due to missing toolchain support"
2120 QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2123 elif test "$pie" = "no"; then
2124 CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS"
2125 CONFIGURE_LDFLAGS="$LDFLAGS_NOPIE $CONFIGURE_LDFLAGS"
2126 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2127 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
2128 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
2130 elif test "$pie" = "yes"; then
2131 error_exit "PIE not available due to missing toolchain support"
2133 echo "Disabling PIE due to missing toolchain support"
2137 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2138 # The combination is known as "full relro", because .got.plt is read-only too.
2139 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2140 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2143 ##########################################
2144 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2145 # use i686 as default anyway, but for those that don't, an explicit
2146 # specification is necessary
2148 if test "$cpu" = "i386"; then
2150 static int sfaa(int *ptr)
2152 return __sync_fetch_and_and(ptr, 0);
2158 val = __sync_val_compare_and_swap(&val, 0, 1);
2163 if ! compile_prog "" "" ; then
2164 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2168 #########################################
2169 # Solaris specific configure tool chain decisions
2171 if test "$solaris" = "yes" ; then
2175 if test -f /usr/ccs/bin/ar ; then
2176 error_exit "No path includes ar" \
2177 "Add /usr/ccs/bin to your path and rerun configure"
2179 error_exit "No path includes ar"
2183 if test -z "${target_list+xxx}" ; then
2185 for target in $default_target_list; do
2186 target_list="$target_list $target"
2188 target_list="${target_list# }"
2191 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2192 for target in $target_list; do
2193 # Check that we recognised the target name; this allows a more
2194 # friendly error message than if we let it fall through.
2195 case " $default_target_list " in
2199 error_exit "Unknown target name '$target'"
2205 for target in $target_list; do
2206 # if a deprecated target is enabled we note it here
2207 if echo "$deprecated_targets_list" | grep -q "$target"; then
2208 add_to deprecated_features $target
2212 # see if system emulation was really requested
2213 case " $target_list " in
2214 *"-softmmu "*) softmmu=yes
2220 for target in $target_list; do
2222 arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2227 # The EDK2 binaries are compressed with bzip2
2228 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2229 error_exit "The bzip2 program is required for building QEMU"
2232 feature_not_found() {
2236 error_exit "User requested feature $feature" \
2237 "configure was not able to find it." \
2242 # big/little endian test
2244 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2245 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2246 extern int foo(short *, short *);
2247 int main(int argc, char *argv[]) {
2248 return foo(big_endian, little_endian);
2252 if compile_object ; then
2253 if strings -a $TMPO | grep -q BiGeNdIaN ; then
2255 elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2258 echo big/little test failed
2261 echo big/little test failed
2264 ##########################################
2266 if test -z "$want_tools"; then
2267 if test "$softmmu" = "no"; then
2274 ##########################################
2275 # cocoa implies not SDL or GTK
2276 # (the cocoa UI code currently assumes it is always the active UI
2277 # and doesn't interact well with other UI frontend code)
2278 if test "$cocoa" = "enabled"; then
2279 if test "$sdl" = "enabled"; then
2280 error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2282 if test "$gtk" = "yes"; then
2283 error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2289 # Some versions of Mac OS X incorrectly define SIZE_MAX
2293 int main(int argc, char *argv[]) {
2294 return printf("%zu", SIZE_MAX);
2297 have_broken_size_max=no
2298 if ! compile_object -Werror ; then
2299 have_broken_size_max=yes
2302 ##########################################
2306 #include <sys/socket.h>
2307 #include <linux/ip.h>
2308 int main(void) { return sizeof(struct mmsghdr); }
2310 if compile_prog "" "" ; then
2316 if check_include "pty.h" ; then
2323 #include <sys/mman.h>
2324 int main(int argc, char *argv[]) {
2325 return mlockall(MCL_FUTURE);
2328 if compile_prog "" "" ; then
2334 #########################################
2335 # vhost interdependencies and host support
2338 test "$vhost_user" = "" && vhost_user=yes
2339 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2340 error_exit "vhost-user isn't available on win32"
2342 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2343 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2344 error_exit "vhost-vdpa is only available on Linux"
2346 test "$vhost_kernel" = "" && vhost_kernel=$linux
2347 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2348 error_exit "vhost-kernel is only available on Linux"
2351 # vhost-kernel devices
2352 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2353 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2354 error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2356 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2357 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2358 error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2361 # vhost-user backends
2362 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2363 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2364 error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2366 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2367 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2368 error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2370 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2371 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2372 error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2374 #vhost-vdpa backends
2375 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2376 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2377 error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2380 # OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity
2381 if test "$vhost_net" = ""; then
2382 test "$vhost_net_user" = "yes" && vhost_net=yes
2383 test "$vhost_net_vdpa" = "yes" && vhost_net=yes
2384 test "$vhost_kernel" = "yes" && vhost_net=yes
2387 ##########################################
2390 if ! has "$pkg_config_exe"; then
2391 error_exit "pkg-config binary '$pkg_config_exe' not found"
2394 ##########################################
2397 if test "$linux_user" = "yes"; then
2400 #include <linux/futex.h>
2402 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2408 if ! compile_object ; then
2409 feature_not_found "nptl" "Install glibc and linux kernel headers."
2413 ##########################################
2416 if test "$lzo" != "no" ; then
2418 #include <lzo/lzo1x.h>
2419 int main(void) { lzo_version(); return 0; }
2421 if compile_prog "" "-llzo2" ; then
2425 if test "$lzo" = "yes"; then
2426 feature_not_found "liblzo2" "Install liblzo2 devel"
2432 ##########################################
2435 if test "$snappy" != "no" ; then
2437 #include <snappy-c.h>
2438 int main(void) { snappy_max_compressed_length(4096); return 0; }
2440 if compile_prog "" "-lsnappy" ; then
2441 snappy_libs='-lsnappy'
2444 if test "$snappy" = "yes"; then
2445 feature_not_found "libsnappy" "Install libsnappy devel"
2451 ##########################################
2454 if test "$bzip2" != "no" ; then
2457 int main(void) { BZ2_bzlibVersion(); return 0; }
2459 if compile_prog "" "-lbz2" ; then
2462 if test "$bzip2" = "yes"; then
2463 feature_not_found "libbzip2" "Install libbzip2 devel"
2469 ##########################################
2472 if test "$lzfse" != "no" ; then
2475 int main(void) { lzfse_decode_scratch_size(); return 0; }
2477 if compile_prog "" "-llzfse" ; then
2480 if test "$lzfse" = "yes"; then
2481 feature_not_found "lzfse" "Install lzfse devel"
2487 ##########################################
2490 if test "$zstd" != "no" ; then
2491 libzstd_minver="1.4.0"
2492 if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2493 zstd_cflags="$($pkg_config --cflags libzstd)"
2494 zstd_libs="$($pkg_config --libs libzstd)"
2497 if test "$zstd" = "yes" ; then
2498 feature_not_found "libzstd" "Install libzstd devel"
2504 ##########################################
2507 if test "$seccomp" != "no" ; then
2508 libseccomp_minver="2.3.0"
2509 if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2510 seccomp_cflags="$($pkg_config --cflags libseccomp)"
2511 seccomp_libs="$($pkg_config --libs libseccomp)"
2514 if test "$seccomp" = "yes" ; then
2515 feature_not_found "libseccomp" \
2516 "Install libseccomp devel >= $libseccomp_minver"
2522 ##########################################
2525 if test "$xen" != "disabled" ; then
2526 # Check whether Xen library path is specified via --extra-ldflags to avoid
2527 # overriding this setting with pkg-config output. If not, try pkg-config
2528 # to obtain all needed flags.
2530 if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2531 $pkg_config --exists xencontrol ; then
2532 xen_ctrl_version="$(printf '%d%02d%02d' \
2533 $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2535 xen_pc="xencontrol xenstore xenforeignmemory xengnttab"
2536 xen_pc="$xen_pc xenevtchn xendevicemodel"
2537 if $pkg_config --exists xentoolcore; then
2538 xen_pc="$xen_pc xentoolcore"
2540 xen_cflags="$($pkg_config --cflags $xen_pc)"
2541 xen_libs="$($pkg_config --libs $xen_pc)"
2544 xen_libs="-lxenstore -lxenctrl"
2545 xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2547 # First we test whether Xen headers and libraries are available.
2548 # If no, we are done and there is no Xen support.
2549 # If yes, more tests are run to detect the Xen version.
2553 #include <xenctrl.h>
2558 if ! compile_prog "" "$xen_libs" ; then
2560 if test "$xen" = "enabled" ; then
2561 feature_not_found "xen" "Install xen devel"
2567 cat > $TMPC <<EOF &&
2568 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2569 #define __XEN_TOOLS__
2570 #include <xendevicemodel.h>
2571 #include <xenforeignmemory.h>
2573 xendevicemodel_handle *xd;
2574 xenforeignmemory_handle *xfmem;
2576 xd = xendevicemodel_open(0, 0);
2577 xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2579 xfmem = xenforeignmemory_open(0, 0);
2580 xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2585 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2587 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2588 xen_ctrl_version=41100
2591 cat > $TMPC <<EOF &&
2592 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2593 #include <xenforeignmemory.h>
2594 #include <xentoolcore.h>
2596 xenforeignmemory_handle *xfmem;
2598 xfmem = xenforeignmemory_open(0, 0);
2599 xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2600 xentoolcore_restrict_all(0);
2605 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2607 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2608 xen_ctrl_version=41000
2611 cat > $TMPC <<EOF &&
2612 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2613 #define __XEN_TOOLS__
2614 #include <xendevicemodel.h>
2616 xendevicemodel_handle *xd;
2618 xd = xendevicemodel_open(0, 0);
2619 xendevicemodel_close(xd);
2624 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2626 xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2627 xen_ctrl_version=40900
2630 cat > $TMPC <<EOF &&
2632 * If we have stable libs the we don't want the libxc compat
2633 * layers, regardless of what CFLAGS we may have been given.
2635 * Also, check if xengnttab_grant_copy_segment_t is defined and
2636 * grant copy operation is implemented.
2638 #undef XC_WANT_COMPAT_EVTCHN_API
2639 #undef XC_WANT_COMPAT_GNTTAB_API
2640 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2641 #include <xenctrl.h>
2642 #include <xenstore.h>
2643 #include <xenevtchn.h>
2644 #include <xengnttab.h>
2645 #include <xenforeignmemory.h>
2647 #include <xen/hvm/hvm_info_table.h>
2648 #if !defined(HVM_MAX_VCPUS)
2649 # error HVM_MAX_VCPUS not defined
2652 xc_interface *xc = NULL;
2653 xenforeignmemory_handle *xfmem;
2654 xenevtchn_handle *xe;
2655 xengnttab_handle *xg;
2656 xengnttab_grant_copy_segment_t* seg = NULL;
2660 xc = xc_interface_open(0, 0, 0);
2661 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2662 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2663 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2664 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2666 xfmem = xenforeignmemory_open(0, 0);
2667 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2669 xe = xenevtchn_open(0, 0);
2672 xg = xengnttab_open(0, 0);
2673 xengnttab_grant_copy(xg, 0, seg);
2678 compile_prog "" "$xen_libs $xen_stable_libs"
2680 xen_ctrl_version=40800
2683 cat > $TMPC <<EOF &&
2685 * If we have stable libs the we don't want the libxc compat
2686 * layers, regardless of what CFLAGS we may have been given.
2688 #undef XC_WANT_COMPAT_EVTCHN_API
2689 #undef XC_WANT_COMPAT_GNTTAB_API
2690 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2691 #include <xenctrl.h>
2692 #include <xenstore.h>
2693 #include <xenevtchn.h>
2694 #include <xengnttab.h>
2695 #include <xenforeignmemory.h>
2697 #include <xen/hvm/hvm_info_table.h>
2698 #if !defined(HVM_MAX_VCPUS)
2699 # error HVM_MAX_VCPUS not defined
2702 xc_interface *xc = NULL;
2703 xenforeignmemory_handle *xfmem;
2704 xenevtchn_handle *xe;
2705 xengnttab_handle *xg;
2709 xc = xc_interface_open(0, 0, 0);
2710 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2711 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2712 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2713 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2715 xfmem = xenforeignmemory_open(0, 0);
2716 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2718 xe = xenevtchn_open(0, 0);
2721 xg = xengnttab_open(0, 0);
2722 xengnttab_map_grant_ref(xg, 0, 0, 0);
2727 compile_prog "" "$xen_libs $xen_stable_libs"
2729 xen_ctrl_version=40701
2734 cat > $TMPC <<EOF &&
2735 #include <xenctrl.h>
2736 #include <xenstore.h>
2738 #include <xen/hvm/hvm_info_table.h>
2739 #if !defined(HVM_MAX_VCPUS)
2740 # error HVM_MAX_VCPUS not defined
2745 xc = xc_interface_open(0, 0, 0);
2746 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2747 xc_gnttab_open(NULL, 0);
2748 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2749 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2750 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2751 xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2755 compile_prog "" "$xen_libs"
2757 xen_ctrl_version=40600
2762 cat > $TMPC <<EOF &&
2763 #include <xenctrl.h>
2764 #include <xenstore.h>
2766 #include <xen/hvm/hvm_info_table.h>
2767 #if !defined(HVM_MAX_VCPUS)
2768 # error HVM_MAX_VCPUS not defined
2773 xc = xc_interface_open(0, 0, 0);
2774 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2775 xc_gnttab_open(NULL, 0);
2776 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2777 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2778 xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2782 compile_prog "" "$xen_libs"
2784 xen_ctrl_version=40500
2788 cat > $TMPC <<EOF &&
2789 #include <xenctrl.h>
2790 #include <xenstore.h>
2792 #include <xen/hvm/hvm_info_table.h>
2793 #if !defined(HVM_MAX_VCPUS)
2794 # error HVM_MAX_VCPUS not defined
2799 xc = xc_interface_open(0, 0, 0);
2800 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2801 xc_gnttab_open(NULL, 0);
2802 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2803 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2807 compile_prog "" "$xen_libs"
2809 xen_ctrl_version=40200
2813 if test "$xen" = "enabled" ; then
2814 feature_not_found "xen (unsupported version)" \
2815 "Install a supported xen (xen 4.2 or newer)"
2820 if test "$xen" = enabled; then
2821 if test $xen_ctrl_version -ge 40701 ; then
2822 xen_libs="$xen_libs $xen_stable_libs "
2828 if test "$xen_pci_passthrough" != "disabled"; then
2829 if test "$xen" = "enabled" && test "$linux" = "yes"; then
2830 xen_pci_passthrough=enabled
2832 if test "$xen_pci_passthrough" = "enabled"; then
2833 error_exit "User requested feature Xen PCI Passthrough" \
2834 " but this feature requires /sys from Linux"
2836 xen_pci_passthrough=disabled
2840 ##########################################
2842 if test "$gettext" != "false" ; then
2843 if has xgettext; then
2846 if test "$gettext" = "true" ; then
2847 feature_not_found "gettext" "Install xgettext binary"
2853 ##########################################
2855 if $pkg_config --exists "x11"; then
2857 x11_cflags=$($pkg_config --cflags x11)
2858 x11_libs=$($pkg_config --libs x11)
2861 ##########################################
2864 if test "$gtk" != "no"; then
2865 gtkpackage="gtk+-3.0"
2866 gtkx11package="gtk+-x11-3.0"
2868 if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2869 gtk_cflags=$($pkg_config --cflags $gtkpackage)
2870 gtk_libs=$($pkg_config --libs $gtkpackage)
2871 gtk_version=$($pkg_config --modversion $gtkpackage)
2872 if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2874 gtk_cflags="$gtk_cflags $x11_cflags"
2875 gtk_libs="$gtk_libs $x11_libs"
2878 elif test "$gtk" = "yes"; then
2879 feature_not_found "gtk" "Install gtk3-devel"
2886 ##########################################
2889 if test "$gnutls" != "no"; then
2891 if $pkg_config --exists "gnutls >= 3.1.18"; then
2892 gnutls_cflags=$($pkg_config --cflags gnutls)
2893 gnutls_libs=$($pkg_config --libs gnutls)
2894 # Packaging for the static libraries is not always correct.
2895 # At least ubuntu 18.04 ships only shared libraries.
2897 if compile_prog "" "$gnutls_libs" ; then
2901 if test "$pass" = "no" && test "$gnutls" = "yes"; then
2902 feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2909 # If user didn't give a --disable/enable-gcrypt flag,
2910 # then mark as disabled if user requested nettle
2912 if test -z "$gcrypt"
2914 if test "$nettle" = "yes"
2920 # If user didn't give a --disable/enable-nettle flag,
2921 # then mark as disabled if user requested gcrypt
2923 if test -z "$nettle"
2925 if test "$gcrypt" = "yes"
2932 if ! has "libgcrypt-config"
2937 if test -n "$cross_prefix"
2939 host=$(libgcrypt-config --host)
2940 if test "$host-" != $cross_prefix
2946 maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2947 min=`libgcrypt-config --version | awk -F . '{print $2}'`
2949 if test $maj != 1 || test $min -lt 5
2958 if test "$nettle" != "no"; then
2960 if $pkg_config --exists "nettle >= 2.7.1"; then
2961 nettle_cflags=$($pkg_config --cflags nettle)
2962 nettle_libs=$($pkg_config --libs nettle)
2963 nettle_version=$($pkg_config --modversion nettle)
2964 # Link test to make sure the given libraries work (e.g for static).
2966 if compile_prog "" "$nettle_libs" ; then
2967 if test -z "$gcrypt"; then
2973 if test "$pass" = "yes"
2976 #include <nettle/xts.h>
2981 if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2986 if test "$pass" = "no" && test "$nettle" = "yes"; then
2987 feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2993 if test "$gcrypt" != "no"; then
2995 if has_libgcrypt; then
2996 gcrypt_cflags=$(libgcrypt-config --cflags)
2997 gcrypt_libs=$(libgcrypt-config --libs)
2998 # Debian has removed -lgpg-error from libgcrypt-config
2999 # as it "spreads unnecessary dependencies" which in
3000 # turn breaks static builds...
3001 if test "$static" = "yes"
3003 gcrypt_libs="$gcrypt_libs -lgpg-error"
3006 # Link test to make sure the given libraries work (e.g for static).
3008 if compile_prog "" "$gcrypt_libs" ; then
3012 if test "$pass" = "yes"; then
3017 gcry_mac_hd_t handle;
3018 gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3019 GCRY_MAC_FLAG_SECURE, NULL);
3023 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3029 gcry_cipher_hd_t handle;
3030 gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3034 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3038 elif test "$gcrypt" = "yes"; then
3039 feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3046 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3048 error_exit "Only one of gcrypt & nettle can be enabled"
3051 ##########################################
3052 # libtasn1 - only for the TLS creds/session test suite
3057 if $pkg_config --exists "libtasn1"; then
3058 tasn1_cflags=$($pkg_config --cflags libtasn1)
3059 tasn1_libs=$($pkg_config --libs libtasn1)
3065 ##########################################
3068 if test "$auth_pam" != "no"; then
3070 #include <security/pam_appl.h>
3073 const char *service_name = "qemu";
3074 const char *user = "frank";
3075 const struct pam_conv pam_conv = { 0 };
3076 pam_handle_t *pamh = NULL;
3077 pam_start(service_name, user, &pam_conv, &pamh);
3081 if compile_prog "" "-lpam" ; then
3084 if test "$auth_pam" = "yes"; then
3085 feature_not_found "PAM" "Install PAM development package"
3092 ##########################################
3093 # getifaddrs (for tests/test-io-channel-socket )
3096 if ! check_include "ifaddrs.h" ; then
3100 #########################################
3103 if check_include "libdrm/drm.h" ; then
3107 #########################################
3108 # sys/signal.h check
3109 have_sys_signal_h=no
3110 if check_include "sys/signal.h" ; then
3111 have_sys_signal_h=yes
3114 ##########################################
3117 if test "$vte" != "no"; then
3118 vteminversion="0.32.0"
3119 if $pkg_config --exists "vte-2.91"; then
3120 vtepackage="vte-2.91"
3122 vtepackage="vte-2.90"
3124 if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3125 vte_cflags=$($pkg_config --cflags $vtepackage)
3126 vte_libs=$($pkg_config --libs $vtepackage)
3127 vteversion=$($pkg_config --modversion $vtepackage)
3129 elif test "$vte" = "yes"; then
3130 feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3136 ##########################################
3137 # RDMA needs OpenFabrics libraries
3138 if test "$rdma" != "no" ; then
3140 #include <rdma/rdma_cma.h>
3141 int main(void) { return 0; }
3143 rdma_libs="-lrdmacm -libverbs -libumad"
3144 if compile_prog "" "$rdma_libs" ; then
3147 if test "$rdma" = "yes" ; then
3149 " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3151 " (1) Fast: Install infiniband packages (devel) from your distro." \
3152 " (2) Cleanest: Install libraries from www.openfabrics.org" \
3153 " (3) Also: Install softiwarp if you don't have RDMA hardware"
3159 ##########################################
3162 cat > $TMPC <<EOF &&
3163 #include <sys/mman.h>
3170 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3176 if test "$rdma" = "yes" ; then
3179 if compile_prog "" ""; then
3186 if ! compile_prog "" ""; then
3187 error_exit "PVRDMA is not supported since mremap is not implemented"
3196 if test "$pvrdma" = "yes" ; then
3197 error_exit "PVRDMA requires rdma suppport"
3202 # Let's see if enhanced reg_mr is supported
3203 if test "$pvrdma" = "yes" ; then
3205 cat > $TMPC <<EOF &&
3206 #include <infiniband/verbs.h>
3212 struct ibv_pd *pd = NULL;
3218 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3225 if ! compile_prog "" "-libverbs"; then
3226 QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3230 ##########################################
3231 # xfsctl() probe, used for file-posix.c
3232 if test "$xfs" != "no" ; then
3234 #include <stddef.h> /* NULL */
3235 #include <xfs/xfs.h>
3238 xfsctl(NULL, 0, 0, NULL);
3242 if compile_prog "" "" ; then
3245 if test "$xfs" = "yes" ; then
3246 feature_not_found "xfs" "Install xfsprogs/xfslibs devel"
3252 ##########################################
3253 # vde libraries probe
3254 if test "$vde" != "no" ; then
3255 vde_libs="-lvdeplug"
3257 #include <libvdeplug.h>
3260 struct vde_open_args a = {0, 0, 0};
3266 if compile_prog "" "$vde_libs" ; then
3269 if test "$vde" = "yes" ; then
3270 feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3276 ##########################################
3277 # netmap support probe
3278 # Apart from looking for netmap headers, we make sure that the host API version
3279 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3280 # a minor/major version number. Minor new features will be marked with values up
3281 # to 15, and if something happens that requires a change to the backend we will
3282 # move above 15, submit the backend fixes and modify this two bounds.
3283 if test "$netmap" != "no" ; then
3285 #include <inttypes.h>
3287 #include <net/netmap.h>
3288 #include <net/netmap_user.h>
3289 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3292 int main(void) { return 0; }
3294 if compile_prog "" "" ; then
3297 if test "$netmap" = "yes" ; then
3298 feature_not_found "netmap"
3304 ##########################################
3305 # libcap-ng library probe
3306 if test "$cap_ng" != "no" ; then
3312 capng_capability_to_name(CAPNG_EFFECTIVE);
3316 if compile_prog "" "$cap_libs" ; then
3319 if test "$cap_ng" = "yes" ; then
3320 feature_not_found "cap_ng" "Install libcap-ng devel"
3326 ##########################################
3327 # Sound support libraries probe
3329 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3330 for drv in $audio_drv_list; do
3333 if $pkg_config alsa --exists; then
3334 alsa_libs=$($pkg_config alsa --libs)
3335 alsa_cflags=$($pkg_config alsa --cflags)
3337 if test "$drv" = "try-alsa"; then
3338 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3341 if test "$drv" = "try-alsa"; then
3342 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3344 error_exit "$drv check failed" \
3345 "Make sure to have the $drv libs and headers installed."
3351 if $pkg_config libpulse --exists; then
3353 pulse_libs=$($pkg_config libpulse --libs)
3354 pulse_cflags=$($pkg_config libpulse --cflags)
3355 if test "$drv" = "try-pa"; then
3356 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3359 if test "$drv" = "try-pa"; then
3360 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3362 error_exit "$drv check failed" \
3363 "Make sure to have the $drv libs and headers installed."
3369 if test "$sdl" = "no"; then
3370 error_exit "sdl not found or disabled, can not use sdl audio driver"
3375 if test "$sdl" = "no"; then
3376 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3378 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3383 coreaudio_libs="-framework CoreAudio"
3387 dsound_libs="-lole32 -ldxguid"
3396 if $pkg_config jack --exists; then
3398 jack_libs=$($pkg_config jack --libs)
3399 if test "$drv" = "try-jack"; then
3400 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3403 if test "$drv" = "try-jack"; then
3404 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3406 error_exit "$drv check failed" \
3407 "Make sure to have the $drv libs and headers installed."
3413 echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3414 error_exit "Unknown driver '$drv' selected" \
3415 "Possible drivers are: $audio_possible_drivers"
3421 ##########################################
3424 if test "$brlapi" != "no" ; then
3425 brlapi_libs="-lbrlapi"
3429 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3431 if compile_prog "" "$brlapi_libs" ; then
3434 if test "$brlapi" = "yes" ; then
3435 feature_not_found "brlapi" "Install brlapi devel"
3441 ##########################################
3443 if test "$curl" != "no" ; then
3444 if $pkg_config libcurl --exists; then
3445 curlconfig="$pkg_config libcurl"
3447 curlconfig=curl-config
3450 #include <curl/curl.h>
3451 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3453 curl_cflags=$($curlconfig --cflags 2>/dev/null)
3454 curl_libs=$($curlconfig --libs 2>/dev/null)
3455 if compile_prog "$curl_cflags" "$curl_libs" ; then
3458 if test "$curl" = "yes" ; then
3459 feature_not_found "curl" "Install libcurl devel"
3465 ##########################################
3466 # glib support probe
3469 glib_modules=gthread-2.0
3470 if test "$modules" = yes; then
3471 glib_modules="$glib_modules gmodule-export-2.0"
3473 if test "$plugins" = yes; then
3474 glib_modules="$glib_modules gmodule-2.0"
3477 for i in $glib_modules; do
3478 if $pkg_config --atleast-version=$glib_req_ver $i; then
3479 glib_cflags=$($pkg_config --cflags $i)
3480 glib_libs=$($pkg_config --libs $i)
3482 error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3486 # This workaround is required due to a bug in pkg-config file for glib as it
3487 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3489 if test "$static" = yes && test "$mingw32" = yes; then
3490 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
3493 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3495 gio_cflags=$($pkg_config --cflags gio-2.0)
3496 gio_libs=$($pkg_config --libs gio-2.0)
3497 gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3498 if [ ! -x "$gdbus_codegen" ]; then
3505 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3506 gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3507 gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3510 # Sanity check that the current size_t matches the
3511 # size that glib thinks it should be. This catches
3512 # problems on multi-arch where people try to build
3513 # 32-bit QEMU while pointing at 64-bit glib headers
3518 #define QEMU_BUILD_BUG_ON(x) \
3519 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3522 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3527 if ! compile_prog "$glib_cflags" "$glib_libs" ; then
3528 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3529 "You probably need to set PKG_CONFIG_LIBDIR"\
3530 "to point to the right pkg-config files for your"\
3534 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3537 int main(void) { return 0; }
3539 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3540 if cc_has_warning_flag "-Wno-unknown-attributes"; then
3541 glib_cflags="-Wno-unknown-attributes $glib_cflags"
3542 CONFIGURE_CFLAGS="-Wno-unknown-attributes $CONFIGURE_CFLAGS"
3546 # Silence clang warnings triggered by glib < 2.57.2
3549 typedef struct Foo {
3552 static void foo_free(Foo *f)
3556 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
3557 int main(void) { return 0; }
3559 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3560 if cc_has_warning_flag "-Wno-unused-function"; then
3561 glib_cflags="$glib_cflags -Wno-unused-function"
3562 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
3566 ##########################################
3567 # SHA command probe for modules
3568 if test "$modules" = yes; then
3569 shacmd_probe="sha1sum sha1 shasum"
3570 for c in $shacmd_probe; do
3576 if test "$shacmd" = ""; then
3577 error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3581 ##########################################
3583 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3587 #include <pthread.h>
3588 static void *f(void *p) { return NULL; }
3591 pthread_create(&thread, 0, f, 0);
3595 if compile_prog "" "" ; then
3598 for pthread_lib in $PTHREADLIBS_LIST; do
3599 if compile_prog "" "$pthread_lib" ; then
3602 for lib_entry in $LIBS; do
3603 if test "$lib_entry" = "$pthread_lib"; then
3608 if test "$found" = "no"; then
3609 LIBS="$pthread_lib $LIBS"
3611 PTHREAD_LIB="$pthread_lib"
3617 if test "$mingw32" != yes && test "$pthread" = no; then
3618 error_exit "pthread check failed" \
3619 "Make sure to have the pthread libs and headers installed."
3622 # check for pthread_setname_np with thread id
3623 pthread_setname_np_w_tid=no
3625 #include <pthread.h>
3627 static void *f(void *p) { return NULL; }
3631 pthread_create(&thread, 0, f, 0);
3632 pthread_setname_np(thread, "QEMU");
3636 if compile_prog "" "$pthread_lib" ; then
3637 pthread_setname_np_w_tid=yes
3640 # check for pthread_setname_np without thread id
3641 pthread_setname_np_wo_tid=no
3643 #include <pthread.h>
3645 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
3649 pthread_create(&thread, 0, f, 0);
3653 if compile_prog "" "$pthread_lib" ; then
3654 pthread_setname_np_wo_tid=yes
3657 ##########################################
3659 if test "$rbd" != "no" ; then
3662 #include <rbd/librbd.h>
3665 rados_create(&cluster, NULL);
3669 rbd_libs="-lrbd -lrados"
3670 if compile_prog "" "$rbd_libs" ; then
3673 if test "$rbd" = "yes" ; then
3674 feature_not_found "rados block device" "Install librbd/ceph devel"
3680 ##########################################
3682 if test "$libssh" != "no" ; then
3683 if $pkg_config --exists libssh; then
3684 libssh_cflags=$($pkg_config libssh --cflags)
3685 libssh_libs=$($pkg_config libssh --libs)
3688 if test "$libssh" = "yes" ; then
3689 error_exit "libssh required for --enable-libssh"
3695 ##########################################
3696 # Check for libssh 0.8
3697 # This is done like this instead of using the LIBSSH_VERSION_* and
3698 # SSH_VERSION_* macros because some distributions in the past shipped
3699 # snapshots of the future 0.8 from Git, and those snapshots did not
3700 # have updated version numbers (still referring to 0.7.0).
3702 if test "$libssh" = "yes"; then
3704 #include <libssh/libssh.h>
3705 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
3707 if compile_prog "$libssh_cflags" "$libssh_libs"; then
3708 libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
3712 ##########################################
3715 if test "$linux_aio" != "no" ; then
3718 #include <sys/eventfd.h>
3720 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3722 if compile_prog "" "-laio" ; then
3725 if test "$linux_aio" = "yes" ; then
3726 feature_not_found "linux AIO" "Install libaio devel"
3731 ##########################################
3732 # linux-io-uring probe
3734 if test "$linux_io_uring" != "no" ; then
3735 if $pkg_config liburing; then
3736 linux_io_uring_cflags=$($pkg_config --cflags liburing)
3737 linux_io_uring_libs=$($pkg_config --libs liburing)
3740 if test "$linux_io_uring" = "yes" ; then
3741 feature_not_found "linux io_uring" "Install liburing devel"
3747 ##########################################
3748 # TPM emulation is only on POSIX
3750 if test "$tpm" = ""; then
3751 if test "$mingw32" = "yes"; then
3756 elif test "$tpm" = "yes"; then
3757 if test "$mingw32" = "yes" ; then
3758 error_exit "TPM emulation only available on POSIX systems"
3762 ##########################################
3766 if test "$attr" != "no" ; then
3769 #include <sys/types.h>
3770 #ifdef CONFIG_LIBATTR
3771 #include <attr/xattr.h>
3773 #include <sys/xattr.h>
3775 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3777 if compile_prog "" "" ; then
3779 # Older distros have <attr/xattr.h>, and need -lattr:
3780 elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3782 libattr_libs="-lattr"
3785 if test "$attr" = "yes" ; then
3786 feature_not_found "ATTR" "Install libc6 or libattr devel"
3792 ##########################################
3795 #include <sys/types.h>
3796 #include <sys/uio.h>
3798 int main(void) { return sizeof(struct iovec); }
3801 if compile_prog "" "" ; then
3805 ##########################################
3808 #include <sys/types.h>
3809 #include <sys/uio.h>
3811 int main(void) { return preadv(0, 0, 0, 0); }
3814 if compile_prog "" "" ; then
3818 ##########################################
3822 auto | enabled | internal)
3823 # Simpler to always update submodule, even if not needed.
3824 if test -e "${source_path}/.git" && test $git_update = 'yes' ; then
3825 git_submodules="${git_submodules} dtc"
3830 ##########################################
3831 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3834 if $pkg_config gbm; then
3835 gbm_cflags="$($pkg_config --cflags gbm)"
3836 gbm_libs="$($pkg_config --libs gbm)"
3840 if test "$opengl" != "no" ; then
3841 opengl_pkgs="epoxy gbm"
3842 if $pkg_config $opengl_pkgs; then
3843 opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
3844 opengl_libs="$($pkg_config --libs $opengl_pkgs)"
3846 if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3850 if test "$opengl" = "yes" ; then
3851 feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3859 if test "$opengl" = "yes"; then
3861 #include <epoxy/egl.h>
3862 #ifndef EGL_MESA_image_dma_buf_export
3863 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3865 int main(void) { return 0; }
3867 if compile_prog "" "" ; then
3872 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
3873 for target in $target_list; do
3875 lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
3882 ##########################################
3884 if test "$libxml2" != "no" ; then
3885 if $pkg_config --exists libxml-2.0; then
3887 libxml2_cflags=$($pkg_config --cflags libxml-2.0)
3888 libxml2_libs=$($pkg_config --libs libxml-2.0)
3890 if test "$libxml2" = "yes"; then
3891 feature_not_found "libxml2" "Install libxml2 devel"
3897 ##########################################
3899 if test "$glusterfs" != "no" ; then
3900 if $pkg_config --atleast-version=3 glusterfs-api; then
3902 glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3903 glusterfs_libs=$($pkg_config --libs glusterfs-api)
3904 if $pkg_config --atleast-version=4 glusterfs-api; then
3905 glusterfs_xlator_opt="yes"
3907 if $pkg_config --atleast-version=5 glusterfs-api; then
3908 glusterfs_discard="yes"
3910 if $pkg_config --atleast-version=6 glusterfs-api; then
3911 glusterfs_fallocate="yes"
3912 glusterfs_zerofill="yes"
3915 #include <glusterfs/api/glfs.h>
3920 /* new glfs_ftruncate() passes two additional args */
3921 return glfs_ftruncate(NULL, 0, NULL, NULL);
3924 if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
3925 glusterfs_ftruncate_has_stat="yes"
3928 #include <glusterfs/api/glfs.h>
3930 /* new glfs_io_cbk() passes two additional glfs_stat structs */
3932 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
3938 glfs_io_cbk iocb = &glusterfs_iocb;
3939 iocb(NULL, 0 , NULL, NULL, NULL);
3943 if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
3944 glusterfs_iocb_has_stat="yes"
3947 if test "$glusterfs" = "yes" ; then
3948 feature_not_found "GlusterFS backend support" \
3949 "Install glusterfs-api devel >= 3"
3955 # Check for inotify functions when we are building linux-user
3956 # emulator. This is done because older glibc versions don't
3957 # have syscall stubs for these implemented. In that case we
3958 # don't provide them even if kernel supports them.
3962 #include <sys/inotify.h>
3967 /* try to start inotify */
3968 return inotify_init();
3971 if compile_prog "" "" ; then
3977 #include <sys/inotify.h>
3982 /* try to start inotify */
3983 return inotify_init1(0);
3986 if compile_prog "" "" ; then
3990 # check if pipe2 is there
3999 return pipe2(pipefd, O_CLOEXEC);
4002 if compile_prog "" "" ; then
4006 # check if accept4 is there
4009 #include <sys/socket.h>
4014 accept4(0, NULL, NULL, SOCK_CLOEXEC);
4018 if compile_prog "" "" ; then
4022 # check if tee/splice is there. vmsplice was added same time.
4032 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4033 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4037 if compile_prog "" "" ; then
4041 ##########################################
4044 if test "$numa" != "no" ; then
4047 int main(void) { return numa_available(); }
4050 if compile_prog "" "-lnuma" ; then
4054 if test "$numa" = "yes" ; then
4055 feature_not_found "numa" "install numactl devel"
4062 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4063 echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4065 elif test "$tcmalloc" = "yes" ; then
4067 elif test "$jemalloc" = "yes" ; then
4071 ##########################################
4076 #include <sys/syscall.h>
4078 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4081 if compile_prog "" "" ; then
4085 # check if optreset global is declared by <getopt.h>
4089 int main(void) { return optreset; }
4092 if compile_prog "" "" ; then
4096 # check if eventfd is supported
4099 #include <sys/eventfd.h>
4103 return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4106 if compile_prog "" "" ; then
4110 # check if memfd is supported
4113 #include <sys/mman.h>
4117 return memfd_create("foo", MFD_ALLOW_SEALING);
4120 if compile_prog "" "" ; then
4126 if test "$linux_user" = "yes"; then
4128 #include <linux/usbdevice_fs.h>
4130 #ifndef USBDEVFS_GET_CAPABILITIES
4131 #error "USBDEVFS_GET_CAPABILITIES undefined"
4134 #ifndef USBDEVFS_DISCONNECT_CLAIM
4135 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4143 if compile_prog "" ""; then
4148 # check for fallocate
4155 fallocate(0, 0, 0, 0);
4159 if compile_prog "" "" ; then
4163 # check for fallocate hole punching
4164 fallocate_punch_hole=no
4167 #include <linux/falloc.h>
4171 fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4175 if compile_prog "" "" ; then
4176 fallocate_punch_hole=yes
4179 # check that fallocate supports range zeroing inside the file
4180 fallocate_zero_range=no
4183 #include <linux/falloc.h>
4187 fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4191 if compile_prog "" "" ; then
4192 fallocate_zero_range=yes
4195 # check for posix_fallocate
4202 posix_fallocate(0, 0, 0);
4206 if compile_prog "" "" ; then
4210 # check for sync_file_range
4217 sync_file_range(0, 0, 0, 0);
4221 if compile_prog "" "" ; then
4225 # check for linux/fiemap.h and FS_IOC_FIEMAP
4228 #include <sys/ioctl.h>
4229 #include <linux/fs.h>
4230 #include <linux/fiemap.h>
4234 ioctl(0, FS_IOC_FIEMAP, 0);
4238 if compile_prog "" "" ; then
4253 if compile_prog "" "" ; then
4257 # check for ppoll support
4264 struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4265 ppoll(&pfd, 1, 0, 0);