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.)
70 if ! mkdir -p "${TMPDIR1}"; then
71 echo "ERROR: failed to create temporary directory"
76 TMPC="${TMPDIR1}/${TMPB}.c"
77 TMPO="${TMPDIR1}/${TMPB}.o"
78 TMPM="${TMPDIR1}/${TMPB}.m"
79 TMPE="${TMPDIR1}/${TMPB}.exe"
83 # Print a helpful header at the top of config.log
84 echo "# QEMU configure log $(date)" >> config.log
85 printf "# Configured with:" >> config.log
86 printf " '%s'" "$0" "$@" >> config.log
88 echo "#" >> config.log
91 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
97 while test -n "$2"; do
110 # Run the compiler, capturing its output to the log. First argument
111 # is compiler binary to execute.
114 if test -n "$BASH_VERSION"; then eval '
116 funcs: ${FUNCNAME[*]}
117 lines: ${BASH_LINENO[*]}"
119 echo $compiler "$@" >> config.log
120 $compiler "$@" >> config.log 2>&1 || return $?
123 do_compiler_werror() {
124 # Run the compiler, capturing its output to the log. First argument
125 # is compiler binary to execute.
128 if test -n "$BASH_VERSION"; then eval '
130 funcs: ${FUNCNAME[*]}
131 lines: ${BASH_LINENO[*]}"
133 echo $compiler "$@" >> config.log
134 $compiler "$@" >> config.log 2>&1 || return $?
135 # Test passed. If this is an --enable-werror build, rerun
136 # the test with -Werror and bail out if it fails. This
137 # makes warning-generating-errors in configure test code
138 # obvious to developers.
139 if test "$werror" != "yes"; then
142 # Don't bother rerunning the compile if we were already using -Werror
148 echo $compiler -Werror "$@" >> config.log
149 $compiler -Werror "$@" >> config.log 2>&1 && return $?
150 error_exit "configure test passed without -Werror but failed with -Werror." \
151 "This is probably a bug in the configure script. The failing command" \
152 "will be at the bottom of config.log." \
153 "You can run configure with --disable-werror to bypass this check."
157 do_compiler_werror "$cc" $CPU_CFLAGS "$@"
161 do_compiler_werror "$objcc" $CPU_CFLAGS "$@"
164 # Append $2 to the variable named $1, with space separation
166 eval $1=\${$1:+\"\$$1 \"}\$2
171 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
177 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \
178 $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags
181 # symbolically link $1 to $2. Portable version of "ln -sf".
184 mkdir -p "$(dirname "$2")"
188 # check whether a command is available to this shell (may be either an
189 # executable or a builtin)
191 type "$1" >/dev/null 2>&1
195 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
196 local_ver2=$(echo "$2" | tr . ' ')
200 # 'shift 2' if $2 is set, or 'shift' if $2 is not set
204 # the second argument finished, the first must be greater or equal
205 test $# = 1 && return 0
206 test $local_first -lt $2 && return 1
207 test $local_first -gt $2 && return 0
214 eval test -z '"${1#'"$2"'}"'
217 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
219 error_exit "main directory cannot contain spaces nor colons"
231 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
233 if test -e "$source_path/.git"
235 git_submodules_action="update"
237 git_submodules_action="ignore"
240 git_submodules="ui/keycodemapdb"
243 # Don't accept a target_list environment variable.
245 unset target_list_exclude
247 # Default value for a variable defining feature "foo".
248 # * foo="no" feature will only be used if --enable-foo arg is given
249 # * foo="" feature will be searched for, and if found, will be used
250 # unless --disable-foo is given
251 # * foo="yes" this value will only be set by --enable-foo flag.
252 # feature will searched for,
253 # if not found, configure exits with error
255 # Always add --enable-foo and --disable-foo command line args.
256 # Distributions want to ensure that several features are compiled in, and it
257 # is impossible without a --enable-foo that exits if a feature is not found.
260 # parse CC options second
262 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
264 --without-default-features)
288 plugins="$default_feature"
293 vfio_user_server="disabled"
295 # The following Meson options are handled manually (still they
296 # are included in the automatically generated help message)
298 # 1. Track which submodules are needed
301 # 2. Automatically enable/disable other options
305 # parse CC options second
307 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
309 --cross-prefix=*) cross_prefix="$optarg"
314 --cxx=*) CXX="$optarg"
316 --cpu=*) cpu="$optarg"
319 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
320 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
321 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
323 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
325 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
327 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
329 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
331 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
332 eval "cross_cc_cflags_${cc_arch}=\$optarg"
334 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
335 eval "cross_cc_${cc_arch}=\$optarg"
337 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
339 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
340 eval "cross_prefix_${cc_arch}=\$optarg"
345 # Using uname is really, really broken. Once we have the right set of checks
346 # we can eliminate its usage altogether.
348 # Preferred compiler:
350 # ${cross_prefix}gcc (if cross-prefix specified)
352 if test -z "${CC}${cross_prefix}"; then
355 cc="${CC-${cross_prefix}gcc}"
358 if test -z "${CXX}${cross_prefix}"; then
361 cxx="${CXX-${cross_prefix}g++}"
364 ar="${AR-${cross_prefix}ar}"
365 as="${AS-${cross_prefix}as}"
367 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
368 ld="${LD-${cross_prefix}ld}"
369 ranlib="${RANLIB-${cross_prefix}ranlib}"
370 nm="${NM-${cross_prefix}nm}"
372 strip="${STRIP-${cross_prefix}strip}"
373 widl="${WIDL-${cross_prefix}widl}"
374 windres="${WINDRES-${cross_prefix}windres}"
375 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
377 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
379 pkg_config=query_pkg_config
380 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
382 # default flags for all hosts
383 # We use -fwrapv to tell the compiler that we require a C dialect where
384 # left shift of signed integers is well defined and has the expected
385 # 2s-complement style results. (Both clang and gcc agree that it
386 # provides these semantics.)
387 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv"
388 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
389 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
390 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
394 # Flags that are needed during configure but later taken care of by Meson
395 CONFIGURE_CFLAGS="-std=gnu11 -Wall"
402 #error $1 not defined
404 int main(void) { return 0; }
412 int main(void) { return 0; }
419 int main(void) { return 0; }
423 if check_define __linux__ ; then
425 elif check_define _WIN32 ; then
427 elif check_define __OpenBSD__ ; then
429 elif check_define __sun__ ; then
431 elif check_define __HAIKU__ ; then
433 elif check_define __FreeBSD__ ; then
435 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
436 targetos=gnu/kfreebsd
437 elif check_define __DragonFly__ ; then
439 elif check_define __NetBSD__; then
441 elif check_define __APPLE__; then
444 # This is a fatal error, but don't report it yet, because we
445 # might be going to just print the --help text, or it might
446 # be the result of a missing compiler.
468 # needed for kinfo_getvmmap(3) in libutil.h
485 # Disable attempts to use ObjectiveC features in os/object.h since they
486 # won't work when we're compiling with gcc as a C compiler.
487 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
492 # needed for CMSG_ macros in sys/socket.h
493 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
494 # needed for TIOCWIN* defines in termios.h
495 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
496 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
497 # Note that this check is broken for cross-compilation: if you're
498 # cross-compiling to one of these OSes then you'll need to specify
499 # the correct CPU with the --cpu option.
500 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
506 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS"
513 if test ! -z "$cpu" ; then
514 # command line argument
516 elif check_define __i386__ ; then
518 elif check_define __x86_64__ ; then
519 if check_define __ILP32__ ; then
524 elif check_define __sparc__ ; then
525 if check_define __arch64__ ; then
530 elif check_define _ARCH_PPC ; then
531 if check_define _ARCH_PPC64 ; then
532 if check_define _LITTLE_ENDIAN ; then
540 elif check_define __mips__ ; then
542 elif check_define __s390__ ; then
543 if check_define __s390x__ ; then
548 elif check_define __riscv ; then
550 elif check_define __arm__ ; then
552 elif check_define __aarch64__ ; then
554 elif check_define __loongarch64 ; then
560 # Normalise host CPU name, set multilib cflags
561 # Note that this case should only have supported host CPUs, not guests.
566 i386|i486|i586|i686|i86pc|BePC)
571 CPU_CFLAGS="-mx32" ;;
574 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
575 # If we truly care, we should simply detect this case at
576 # runtime and generate the fallback to serial emulation.
577 CPU_CFLAGS="-m64 -mcx16" ;;
585 CPU_CFLAGS="-m64 -mbig-endian" ;;
588 CPU_CFLAGS="-m64 -mlittle-endian" ;;
597 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;;
599 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;;
602 : ${make=${MAKE-make}}
604 # We prefer python 3.x. A bare 'python' is traditionally
605 # python 2.x, but some distros have it as python 3.x, so
609 for binary in "${PYTHON-python3}" python
613 python=$(command -v "$binary")
619 # Check for ancillary tools used in testing
621 for binary in genisoimage mkisofs
625 genisoimage=$(command -v "$binary")
630 # Default objcc to clang if available, otherwise use CC
637 if test "$mingw32" = "yes" ; then
639 # MinGW needs -mthreads for TLS and macro _MT.
640 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
649 meson_option_build_array() {
651 (if test "$targetos" = windows; then
658 # backslash escape any '\' and '"' characters
659 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
665 . "$source_path/scripts/meson-buildoptions.sh"
669 meson_options="$meson_options $(quote_sh "$1")"
671 meson_option_parse() {
672 meson_options="$meson_options $(_meson_option_parse "$@")"
673 if test $? -eq 1; then
674 echo "ERROR: unknown option $1"
675 echo "Try '$0 --help' for more information"
681 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
683 --help|-h) show_help=yes
685 --version|-V) exec cat "$source_path/VERSION"
687 --prefix=*) prefix="$optarg"
693 --host-cc=*) host_cc="$optarg"
697 --objcc=*) objcc="$optarg"
699 --make=*) make="$optarg"
703 --python=*) python="$optarg" ; explicit_python=yes
705 --skip-meson) skip_meson=yes
707 --meson=*) meson="$optarg"
709 --ninja=*) ninja="$optarg"
711 --smbd=*) smbd="$optarg"
725 --enable-debug-info) meson_option_add -Ddebug=true
727 --disable-debug-info) meson_option_add -Ddebug=false
737 --target-list=*) target_list="$optarg"
738 if test "$target_list_exclude"; then
739 error_exit "Can't mix --target-list with --target-list-exclude"
742 --target-list-exclude=*) target_list_exclude="$optarg"
743 if test "$target_list"; then
744 error_exit "Can't mix --target-list-exclude with --target-list"
747 --with-default-devices) meson_option_add -Ddefault_devices=true
749 --without-default-devices) meson_option_add -Ddefault_devices=false
751 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
753 --with-devices-*) device_arch=${opt#--with-devices-};
754 device_arch=${device_arch%%=*}
755 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
756 if test -f "$cf"; then
757 device_archs="$device_archs $device_arch"
758 eval "devices_${device_arch}=\$optarg"
760 error_exit "File $cf does not exist"
763 --without-default-features) # processed above
767 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
769 --bindir=*) bindir="$optarg"
771 --with-suffix=*) qemu_suffix="$optarg"
774 --disable-dependency-tracking|\
775 --sbindir=*|--sharedstatedir=*|\
776 --oldincludedir=*|--datarootdir=*|--infodir=*|\
777 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
778 # These switches are silently ignored, for compatibility with
779 # autoconf-generated configure scripts. This allows QEMU's
780 # configure to be used by RPM and similar macros that set
781 # lots of directory switches by default.
783 --enable-debug-tcg) debug_tcg="yes"
785 --disable-debug-tcg) debug_tcg="no"
788 # Enable debugging options that aren't excessively noisy
790 meson_option_parse --enable-debug-mutex ""
791 meson_option_add -Doptimization=0
794 --enable-sanitizers) sanitizers="yes"
796 --disable-sanitizers) sanitizers="no"
798 --enable-tsan) tsan="yes"
800 --disable-tsan) tsan="no"
802 --disable-tcg) tcg="disabled"
805 --enable-tcg) tcg="enabled"
807 --disable-system) softmmu="no"
809 --enable-system) softmmu="yes"
816 --disable-linux-user) linux_user="no"
818 --enable-linux-user) linux_user="yes"
820 --disable-bsd-user) bsd_user="no"
822 --enable-bsd-user) bsd_user="yes"
824 --enable-pie) pie="yes"
826 --disable-pie) pie="no"
828 --enable-werror) werror="yes"
830 --disable-werror) werror="no"
832 --enable-stack-protector) stack_protector="yes"
834 --disable-stack-protector) stack_protector="no"
836 --enable-safe-stack) safe_stack="yes"
838 --disable-safe-stack) safe_stack="no"
842 meson_option_add -Db_lto=true
844 --disable-cfi) cfi="false"
846 --disable-fdt) fdt="disabled"
848 --enable-fdt) fdt="enabled"
850 --enable-fdt=git) fdt="internal"
852 --enable-fdt=*) fdt="$optarg"
854 --with-coroutine=*) coroutine="$optarg"
858 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
859 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
861 --enable-vhdx|--disable-vhdx)
862 echo "$0: $opt is obsolete, VHDX driver is always built" >&2
864 --enable-uuid|--disable-uuid)
865 echo "$0: $opt is obsolete, UUID support is always built" >&2
867 --with-git=*) git="$optarg"
869 --with-git-submodules=*)
870 git_submodules_action="$optarg"
872 --enable-plugins) if test "$mingw32" = "yes"; then
873 error_exit "TCG plugins not currently supported on Windows platforms"
878 --disable-plugins) plugins="no"
880 --enable-containers) use_containers="yes"
882 --disable-containers) use_containers="no"
884 --gdb=*) gdb_bin="$optarg"
886 # backwards compatibility options
887 --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg"
889 --disable-blobs) meson_option_parse --disable-install-blobs ""
891 --enable-vfio-user-server) vfio_user_server="enabled"
893 --disable-vfio-user-server) vfio_user_server="disabled"
895 --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc
897 --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc
899 # everything else has the same name in configure and meson
900 --*) meson_option_parse "$opt" "$optarg"
905 # test for any invalid configuration combinations
906 if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
907 error_exit "Can't enable plugins on non-TCG builds"
910 case $git_submodules_action in
912 if test ! -e "$source_path/.git"; then
913 echo "ERROR: cannot $git_submodules_action git submodules without .git"
918 if ! test -f "$source_path/ui/keycodemapdb/README"
921 echo "ERROR: missing GIT submodules"
923 if test -e "$source_path/.git"; then
924 echo "--with-git-submodules=ignore specified but submodules were not"
925 echo "checked out. Please initialize and update submodules."
927 echo "This is not a GIT checkout but module content appears to"
928 echo "be missing. Do not use 'git archive' or GitHub download links"
929 echo "to acquire QEMU source archives. Non-GIT builds are only"
930 echo "supported with source archives linked from:"
932 echo " https://www.qemu.org/download/#source"
934 echo "Developers working with GIT can use scripts/archive-source.sh"
935 echo "if they need to create valid source archives."
942 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'"
947 default_target_list=""
950 if [ "$linux_user" != no ]; then
951 if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then
953 elif [ "$linux_user" = yes ]; then
954 error_exit "linux-user not supported on this architecture"
957 if [ "$bsd_user" != no ]; then
958 if [ "$bsd_user" = "" ]; then
959 test $targetos = freebsd && bsd_user=yes
961 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
962 error_exit "bsd-user not supported on this host OS"
965 if [ "$softmmu" = "yes" ]; then
966 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
968 if [ "$linux_user" = "yes" ]; then
969 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
971 if [ "$bsd_user" = "yes" ]; then
972 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
975 for config in $mak_wilds; do
976 target="$(basename "$config" .mak)"
977 if echo "$target_list_exclude" | grep -vq "$target"; then
978 default_target_list="${default_target_list} $target"
982 if test x"$show_help" = x"yes" ; then
985 Usage: configure [options]
986 Options: [defaults in brackets after descriptions]
989 --help print this message
990 --prefix=PREFIX install in PREFIX [$prefix]
991 --target-list=LIST set target list (default: build all)
992 $(echo Available targets: $default_target_list | \
993 fold -s -w 53 | sed -e 's/^/ /')
994 --target-list-exclude=LIST exclude a set of targets from the default target-list
996 Advanced options (experts only):
997 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
998 --cc=CC use C compiler CC [$cc]
999 --host-cc=CC use C compiler CC [$host_cc] for code run at
1001 --cxx=CXX use C++ compiler CXX [$cxx]
1002 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
1003 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS
1004 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
1005 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
1006 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
1007 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
1008 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests
1009 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
1010 --make=MAKE use specified make [$make]
1011 --python=PYTHON use specified python [$python]
1012 --meson=MESON use specified meson [$meson]
1013 --ninja=NINJA use specified ninja [$ninja]
1014 --smbd=SMBD use specified smbd [$smbd]
1015 --with-git=GIT use specified git [$git]
1016 --with-git-submodules=update update git submodules (default if .git dir exists)
1017 --with-git-submodules=validate fail if git submodules are not up to date
1018 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir)
1019 --static enable static build [$static]
1020 --bindir=PATH install binaries in PATH
1021 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
1022 --without-default-features default all --enable-* options to "disabled"
1023 --without-default-devices do not include any device that is not needed to
1024 start the emulator (only use if you are including
1025 desired devices in configs/devices/)
1026 --with-devices-ARCH=NAME override default configs/devices
1027 --enable-debug enable common debug build options
1028 --enable-sanitizers enable default sanitizers
1029 --enable-tsan enable thread sanitizer
1030 --disable-werror disable compilation abort on warning
1031 --disable-stack-protector disable compiler-provided stack protection
1032 --cpu=CPU Build for host CPU [$cpu]
1033 --with-coroutine=BACKEND coroutine backend. Supported options:
1034 ucontext, sigaltstack, windows
1036 enable plugins via shared library loading
1037 --disable-containers don't use containers for cross-building
1038 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
1042 system all system emulation targets
1043 user supported user emulation targets
1044 linux-user all linux usermode emulation targets
1045 bsd-user all BSD usermode emulation targets
1046 pie Position Independent Executables
1047 modules modules support (non-Windows)
1048 debug-tcg TCG debugging (default is disabled)
1049 debug-info debugging information
1050 safe-stack SafeStack Stack Smash Protection. Depends on
1051 clang/llvm >= 3.7 and requires coroutine backend ucontext.
1053 NOTE: The object files are built at the place where configure is launched
1058 # Remove old dependency files to make sure that they get properly regenerated
1059 rm -f ./*/config-devices.mak.d
1061 if test -z "$python"
1063 error_exit "Python not found. Use --python=/path/to/python"
1067 error_exit "GNU make ($make) not found"
1070 # Note that if the Python conditional here evaluates True we will exit
1071 # with status 1 which is a shell 'false' value.
1072 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
1073 error_exit "Cannot use '$python', Python >= 3.6 is required." \
1074 "Use --python=/path/to/python to specify a supported Python."
1077 # Suppress writing compiled files
1080 if test -z "$meson"; then
1081 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.61.5; then
1083 elif test "$git_submodules_action" != 'ignore' ; then
1085 elif test -e "${source_path}/meson/meson.py" ; then
1088 if test "$explicit_python" = yes; then
1089 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1091 error_exit "Meson not found. Use --meson=/path/to/meson"
1095 # Meson uses its own Python interpreter to invoke other Python scripts,
1096 # but the user wants to use the one they specified with --python.
1098 # We do not want to override the distro Python interpreter (and sometimes
1099 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1100 # just require --meson=git|internal together with --python.
1101 if test "$explicit_python" = yes; then
1104 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1109 if test "$meson" = git; then
1110 git_submodules="${git_submodules} meson"
1115 meson="$python ${source_path}/meson/meson.py"
1117 *) meson=$(command -v "$meson") ;;
1122 if test -z "$ninja"; then
1123 for c in ninja ninja-build samu; do
1125 ninja=$(command -v "$c")
1129 if test -z "$ninja"; then
1130 error_exit "Cannot find Ninja"
1134 # Check that the C compiler works. Doing this here before testing
1135 # the host CPU ensures that we had a valid CC to autodetect the
1136 # $cpu var (and we should bail right here if that's not the case).
1137 # It also allows the help message to be printed without a CC.
1139 if compile_object ; then
1140 : C compiler works ok
1142 error_exit "\"$cc\" either does not exist or does not work"
1144 if ! compile_prog ; then
1145 error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1148 # Consult white-list to determine whether to enable werror
1149 # by default. Only enable by default for git builds
1150 if test -z "$werror" ; then
1151 if test "$git_submodules_action" != "ignore" && \
1152 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1159 if test "$targetos" = "bogus"; then
1160 # Now that we know that we're not printing the help and that
1161 # the compiler works (so the results of the check_defines we used
1162 # to identify the OS are reliable), if we didn't recognize the
1163 # host OS we should stop now.
1164 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1167 # Check whether the compiler matches our minimum requirements:
1169 #if defined(__clang_major__) && defined(__clang_minor__)
1170 # ifdef __apple_build_version__
1171 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
1172 # error You need at least XCode Clang v10.0 to compile QEMU
1175 # if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0)
1176 # error You need at least Clang v6.0 to compile QEMU
1179 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1180 # if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4)
1181 # error You need at least GCC v7.4.0 to compile QEMU
1184 # error You either need GCC or Clang to compiler QEMU
1186 int main (void) { return 0; }
1188 if ! compile_prog "" "" ; then
1189 error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)"
1192 # Accumulate -Wfoo and -Wno-bar separately.
1193 # We will list all of the enable flags first, and the disable flags second.
1194 # Note that we do not add -Werror, because that would enable it for all
1195 # configure tests. If a configure test failed due to -Werror this would
1196 # just silently disable some features, so it's too error prone.
1199 add_to warn_flags -Wold-style-declaration
1200 add_to warn_flags -Wold-style-definition
1201 add_to warn_flags -Wtype-limits
1202 add_to warn_flags -Wformat-security
1203 add_to warn_flags -Wformat-y2k
1204 add_to warn_flags -Winit-self
1205 add_to warn_flags -Wignored-qualifiers
1206 add_to warn_flags -Wempty-body
1207 add_to warn_flags -Wnested-externs
1208 add_to warn_flags -Wendif-labels
1209 add_to warn_flags -Wexpansion-to-defined
1210 add_to warn_flags -Wimplicit-fallthrough=2
1213 add_to nowarn_flags -Wno-initializer-overrides
1214 add_to nowarn_flags -Wno-missing-include-dirs
1215 add_to nowarn_flags -Wno-shift-negative-value
1216 add_to nowarn_flags -Wno-string-plus-int
1217 add_to nowarn_flags -Wno-typedef-redefinition
1218 add_to nowarn_flags -Wno-tautological-type-limit-compare
1219 add_to nowarn_flags -Wno-psabi
1220 add_to nowarn_flags -Wno-gnu-variable-sized-type-not-at-end
1222 gcc_flags="$warn_flags $nowarn_flags"
1224 cc_has_warning_flag() {
1227 # Use the positive sense of the flag when testing for -Wno-wombat
1228 # support (gcc will happily accept the -Wno- form of unknown
1230 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1231 compile_prog "-Werror $optflag" ""
1234 objcc_has_warning_flag() {
1236 int main(void) { return 0; }
1239 # Use the positive sense of the flag when testing for -Wno-wombat
1240 # support (gcc will happily accept the -Wno- form of unknown
1242 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1243 do_objc -Werror $optflag \
1244 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \
1245 -o $TMPE $TMPM $QEMU_LDFLAGS
1248 for flag in $gcc_flags; do
1249 if cc_has_warning_flag $flag ; then
1250 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1252 if objcc_has_warning_flag $flag ; then
1253 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag"
1257 if test "$stack_protector" != "no"; then
1259 int main(int argc, char *argv[])
1261 char arr[64], *p = arr, *c = argv[0];
1268 gcc_flags="-fstack-protector-strong -fstack-protector-all"
1270 for flag in $gcc_flags; do
1271 # We need to check both a compile and a link, since some compiler
1272 # setups fail only on a .c->.o compile and some only at link time
1273 if compile_object "-Werror $flag" &&
1274 compile_prog "-Werror $flag" ""; then
1275 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1276 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1281 if test "$stack_protector" = yes; then
1282 if test $sp_on = 0; then
1283 error_exit "Stack protector not supported"
1288 # Disable -Wmissing-braces on older compilers that warn even for
1289 # the "universal" C zero initializer {0}.
1295 if compile_object "-Werror" "" ; then
1298 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1301 # Our module code doesn't support Windows
1302 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
1303 error_exit "Modules are not available for Windows"
1306 # Static linking is not possible with plugins, modules or PIE
1307 if test "$static" = "yes" ; then
1308 if test "$modules" = "yes" ; then
1309 error_exit "static and modules are mutually incompatible"
1311 if test "$plugins" = "yes"; then
1312 error_exit "static and plugins are mutually incompatible"
1317 test "$plugins" = "" && plugins=yes
1322 # define THREAD __thread
1326 static THREAD int tls_var;
1327 int main(void) { return tls_var; }
1330 if test "$static" = "yes"; then
1331 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1332 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
1334 elif test "$pie" = "yes"; then
1335 error_exit "-static-pie not available due to missing toolchain support"
1339 elif test "$pie" = "no"; then
1340 if compile_prog "-Werror -fno-pie" "-no-pie"; then
1341 CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS"
1342 CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS"
1343 # Meson currently only handles pie as a boolean for now so if we have
1344 # explicitly disabled PIE we need to extend our cflags because it wont.
1345 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS"
1347 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1348 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
1349 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
1351 elif test "$pie" = "yes"; then
1352 error_exit "PIE not available due to missing toolchain support"
1354 echo "Disabling PIE due to missing toolchain support"
1358 ##########################################
1359 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1360 # use i686 as default anyway, but for those that don't, an explicit
1361 # specification is necessary
1363 if test "$cpu" = "i386"; then
1365 static int sfaa(int *ptr)
1367 return __sync_fetch_and_and(ptr, 0);
1373 val = __sync_val_compare_and_swap(&val, 0, 1);
1378 if ! compile_prog "" "" ; then
1379 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1383 if test -z "${target_list+xxx}" ; then
1385 for target in $default_target_list; do
1386 target_list="$target_list $target"
1388 target_list="${target_list# }"
1391 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1392 for target in $target_list; do
1393 # Check that we recognised the target name; this allows a more
1394 # friendly error message than if we let it fall through.
1395 case " $default_target_list " in
1399 error_exit "Unknown target name '$target'"
1405 # see if system emulation was really requested
1406 case " $target_list " in
1407 *"-softmmu "*) softmmu=yes
1413 if test "$tcg" = "auto"; then
1414 if test -z "$target_list"; then
1421 if test "$tcg" = "enabled"; then
1422 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
1423 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
1426 ##########################################
1427 # big/little endian test
1429 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1432 int main(void) { return 0; }
1435 if ! compile_prog ; then
1439 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1442 int main(void) { return 0; }
1445 if ! compile_prog ; then
1448 echo big/little test failed
1453 ##########################################
1456 if ! has "$pkg_config_exe"; then
1457 error_exit "pkg-config binary '$pkg_config_exe' not found"
1460 ##########################################
1461 # glib support probe
1463 # When bumping glib_req_ver, please check also whether we should increase
1464 # the _WIN32_WINNT setting in osdep.h according to the value from glib
1466 glib_modules=gthread-2.0
1467 if test "$modules" = yes; then
1468 glib_modules="$glib_modules gmodule-export-2.0"
1469 elif test "$plugins" = "yes"; then
1470 glib_modules="$glib_modules gmodule-no-export-2.0"
1473 for i in $glib_modules; do
1474 if $pkg_config --atleast-version=$glib_req_ver $i; then
1475 glib_cflags=$($pkg_config --cflags $i)
1476 glib_libs=$($pkg_config --libs $i)
1478 error_exit "glib-$glib_req_ver $i is required to compile QEMU"
1482 glib_bindir="$($pkg_config --variable=bindir glib-2.0)"
1483 if test -z "$glib_bindir" ; then
1484 glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin
1487 # This workaround is required due to a bug in pkg-config file for glib as it
1488 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
1490 if test "$static" = yes && test "$mingw32" = yes; then
1491 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
1494 # Sanity check that the current size_t matches the
1495 # size that glib thinks it should be. This catches
1496 # problems on multi-arch where people try to build
1497 # 32-bit QEMU while pointing at 64-bit glib headers
1502 #define QEMU_BUILD_BUG_ON(x) \
1503 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
1506 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
1511 if ! compile_prog "$glib_cflags" "$glib_libs" ; then
1512 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
1513 "You probably need to set PKG_CONFIG_LIBDIR"\
1514 "to point to the right pkg-config files for your"\
1518 # Silence clang warnings triggered by glib < 2.57.2
1521 typedef struct Foo {
1524 static void foo_free(Foo *f)
1528 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
1529 int main(void) { return 0; }
1531 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
1532 if cc_has_warning_flag "-Wno-unused-function"; then
1533 glib_cflags="$glib_cflags -Wno-unused-function"
1534 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
1538 ##########################################
1542 auto | enabled | internal)
1543 # Simpler to always update submodule, even if not needed.
1544 git_submodules="${git_submodules} dtc"
1548 ##########################################
1549 # check and set a backend for coroutine
1551 # We prefer ucontext, but it's not always possible. The fallback
1552 # is sigcontext. On Windows the only valid backend is the Windows
1556 if test "$darwin" != "yes"; then
1558 #include <ucontext.h>
1559 #ifdef __stub_makecontext
1560 #error Ignoring glibc stub makecontext which will always fail
1562 int main(void) { makecontext(0, 0, 0); return 0; }
1564 if compile_prog "" "" ; then
1569 if test "$coroutine" = ""; then
1570 if test "$mingw32" = "yes"; then
1572 elif test "$ucontext_works" = "yes"; then
1575 coroutine=sigaltstack
1580 if test "$mingw32" != "yes"; then
1581 error_exit "'windows' coroutine backend only valid for Windows"
1583 # Unfortunately the user visible backend name doesn't match the
1584 # coroutine-*.c filename for this case, so we have to adjust it here.
1588 if test "$ucontext_works" != "yes"; then
1589 error_exit "'ucontext' backend requested but makecontext not available"
1593 if test "$mingw32" = "yes"; then
1594 error_exit "only the 'windows' coroutine backend is valid for Windows"
1598 error_exit "unknown coroutine backend $coroutine"
1603 ##################################################
1607 if test "$safe_stack" = "yes"; then
1609 int main(int argc, char *argv[])
1611 #if ! __has_feature(safe_stack)
1612 #error SafeStack Disabled
1617 flag="-fsanitize=safe-stack"
1618 # Check that safe-stack is supported and enabled.
1619 if compile_prog "-Werror $flag" "$flag"; then
1620 # Flag needed both at compilation and at linking
1621 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1622 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1624 error_exit "SafeStack not supported by your compiler"
1626 if test "$coroutine" != "ucontext"; then
1627 error_exit "SafeStack is only supported by the coroutine backend ucontext"
1631 int main(int argc, char *argv[])
1633 #if defined(__has_feature)
1634 #if __has_feature(safe_stack)
1635 #error SafeStack Enabled
1641 if test "$safe_stack" = "no"; then
1642 # Make sure that safe-stack is disabled
1643 if ! compile_prog "-Werror" ""; then
1644 # SafeStack was already enabled, try to explicitly remove the feature
1645 flag="-fno-sanitize=safe-stack"
1646 if ! compile_prog "-Werror $flag" "$flag"; then
1647 error_exit "Configure cannot disable SafeStack"
1649 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1650 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1652 else # "$safe_stack" = ""
1653 # Set safe_stack to yes or no based on pre-existing flags
1654 if compile_prog "-Werror" ""; then
1658 if test "$coroutine" != "ucontext"; then
1659 error_exit "SafeStack is only supported by the coroutine backend ucontext"
1665 ########################################
1666 # check if ccache is interfering with
1667 # semantic analysis of macros
1672 static const int Z = 1;
1673 #define fn() ({ Z; })
1674 #define TAUT(X) ((X) == Z)
1675 #define PAREN(X, Y) (X == Y)
1677 int main(int argc, char *argv[])
1683 if (PAREN(x, y)) return 0;
1684 if (TAUT(Z)) return 0;
1689 if ! compile_object "-Werror"; then
1693 #################################################
1694 # clang does not support glibc + FORTIFY_SOURCE.
1696 if test "$fortify_source" != "no"; then
1697 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
1698 fortify_source="no";
1699 elif test -n "$cxx" && has $cxx &&
1700 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
1701 fortify_source="no";
1703 fortify_source="yes"
1707 ##########################################
1708 # checks for sanitizers
1712 have_asan_iface_h=no
1713 have_asan_iface_fiber=no
1715 if test "$sanitizers" = "yes" ; then
1717 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
1721 # we could use a simple skeleton for flags checks, but this also
1722 # detect the static linking issue of ubsan, see also:
1723 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
1727 void *tmp = malloc(10);
1729 return *(int *)(tmp + 2);
1734 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
1738 if check_include "sanitizer/asan_interface.h" ; then
1739 have_asan_iface_h=yes
1743 #include <sanitizer/asan_interface.h>
1745 __sanitizer_start_switch_fiber(0, 0, 0);
1749 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
1750 have_asan_iface_fiber=yes
1754 # Thread sanitizer is, for now, much noisier than the other sanitizers;
1755 # keep it separate until that is not the case.
1756 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
1757 error_exit "TSAN is not supported with other sanitiziers."
1760 have_tsan_iface_fiber=no
1761 if test "$tsan" = "yes" ; then
1763 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
1767 #include <sanitizer/tsan_interface.h>
1769 __tsan_create_fiber(0);
1773 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
1774 have_tsan_iface_fiber=yes
1778 ##########################################
1779 # functions to probe cross compilers
1782 if test $use_containers = "yes"; then
1783 case $($python "$source_path"/tests/docker/docker.py probe) in
1784 *docker) container=docker ;;
1785 podman) container=podman ;;
1788 if test "$container" != "no"; then
1789 docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1793 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1794 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1795 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1796 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1797 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1798 : ${cross_prefix_armeb="$cross_prefix_arm"}
1799 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1800 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1801 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1802 : ${cross_prefix_i386="i686-linux-gnu-"}
1803 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1804 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1805 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1806 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1807 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1808 : ${cross_prefix_mips="mips-linux-gnu-"}
1809 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1810 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1811 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1812 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1813 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1814 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1815 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1816 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1817 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1818 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1820 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1821 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1822 : ${cross_cc_armeb="$cross_cc_arm"}
1823 : ${cross_cc_cflags_armeb="-mbig-endian"}
1824 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1825 : ${cross_cc_cflags_hexagon="-mv67 -O2 -static"}
1826 : ${cross_cc_cflags_i386="-m32"}
1827 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1828 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1829 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1830 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1831 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1832 : ${cross_cc_sparc="$cross_cc_sparc64"}
1833 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1834 : ${cross_cc_cflags_x86_64="-m64"}
1836 compute_target_variable() {
1838 if eval test -n "\"\${cross_prefix_$1}\""; then
1839 if eval has "\"\${cross_prefix_$1}\$3\""; then
1840 eval "$2=\"\${cross_prefix_$1}\$3\""
1847 case " $target_list " in
1848 *" $i "*) return 0;;
1855 # probe_target_compiler TARGET
1857 # Look for a compiler for the given target, either native or cross.
1858 # Set variables target_* if a compiler is found, and container_cross_*
1859 # if a Docker-based cross-compiler image is known for the target.
1860 # Set got_cross_cc to yes/no depending on whether a non-container-based
1861 # compiler was found.
1863 # If TARGET is a user-mode emulation target, also set build_static to
1864 # "y" if static linking is possible.
1866 probe_target_compiler() {
1867 # reset all output variables
1876 container_cross_objcopy=
1877 container_cross_ranlib=
1878 container_cross_strip=
1880 target_arch=${1%%-*}
1881 case $target_arch in
1882 aarch64) container_hosts="x86_64 aarch64" ;;
1883 alpha) container_hosts=x86_64 ;;
1884 arm) container_hosts="x86_64 aarch64" ;;
1885 cris) container_hosts=x86_64 ;;
1886 hexagon) container_hosts=x86_64 ;;
1887 hppa) container_hosts=x86_64 ;;
1888 i386) container_hosts=x86_64 ;;
1889 loongarch64) container_hosts=x86_64 ;;
1890 m68k) container_hosts=x86_64 ;;
1891 microblaze) container_hosts=x86_64 ;;
1892 mips64el) container_hosts=x86_64 ;;
1893 mips64) container_hosts=x86_64 ;;
1894 mipsel) container_hosts=x86_64 ;;
1895 mips) container_hosts=x86_64 ;;
1896 nios2) container_hosts=x86_64 ;;
1897 ppc) container_hosts=x86_64 ;;
1898 ppc64|ppc64le) container_hosts=x86_64 ;;
1899 riscv64) container_hosts=x86_64 ;;
1900 s390x) container_hosts=x86_64 ;;
1901 sh4) container_hosts=x86_64 ;;
1902 sparc64) container_hosts=x86_64 ;;
1903 tricore) container_hosts=x86_64 ;;
1904 x86_64) container_hosts="aarch64 ppc64el x86_64" ;;
1905 xtensa*) container_hosts=x86_64 ;;
1908 for host in $container_hosts; do
1909 test "$container" != no || continue
1910 test "$host" = "$cpu" || continue
1911 case $target_arch in
1913 # We don't have any bigendian build tools so we only use this for AArch64
1914 container_image=debian-arm64-cross
1915 container_cross_prefix=aarch64-linux-gnu-
1916 container_cross_cc=${container_cross_prefix}gcc-10
1919 container_image=debian-alpha-cross
1920 container_cross_prefix=alpha-linux-gnu-
1923 # We don't have any bigendian build tools so we only use this for ARM
1924 container_image=debian-armhf-cross
1925 container_cross_prefix=arm-linux-gnueabihf-
1928 container_image=fedora-cris-cross
1929 container_cross_prefix=cris-linux-gnu-
1932 container_image=debian-hexagon-cross
1933 container_cross_prefix=hexagon-unknown-linux-musl-
1934 container_cross_cc=${container_cross_prefix}clang
1937 container_image=debian-hppa-cross
1938 container_cross_prefix=hppa-linux-gnu-
1941 container_image=fedora-i386-cross
1942 container_cross_prefix=
1945 container_image=debian-loongarch-cross
1946 container_cross_prefix=loongarch64-unknown-linux-gnu-
1949 container_image=debian-m68k-cross
1950 container_cross_prefix=m68k-linux-gnu-
1953 container_image=debian-microblaze-cross
1954 container_cross_prefix=microblaze-linux-musl-
1957 container_image=debian-mips64el-cross
1958 container_cross_prefix=mips64el-linux-gnuabi64-
1961 container_image=debian-mips64-cross
1962 container_cross_prefix=mips64-linux-gnuabi64-
1965 container_image=debian-mipsel-cross
1966 container_cross_prefix=mipsel-linux-gnu-
1969 container_image=debian-mips-cross
1970 container_cross_prefix=mips-linux-gnu-
1973 container_image=debian-nios2-cross
1974 container_cross_prefix=nios2-linux-gnu-
1977 container_image=debian-powerpc-test-cross
1978 container_cross_prefix=powerpc-linux-gnu-
1979 container_cross_cc=${container_cross_prefix}gcc-10
1982 container_image=debian-powerpc-test-cross
1983 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1984 container_cross_cc=${container_cross_prefix}gcc-10
1987 container_image=debian-riscv64-test-cross
1988 container_cross_prefix=riscv64-linux-gnu-
1991 container_image=debian-s390x-cross
1992 container_cross_prefix=s390x-linux-gnu-
1995 container_image=debian-sh4-cross
1996 container_cross_prefix=sh4-linux-gnu-
1999 container_image=debian-sparc64-cross
2000 container_cross_prefix=sparc64-linux-gnu-
2003 container_image=debian-tricore-cross
2004 container_cross_prefix=tricore-
2005 container_cross_as=tricore-as
2006 container_cross_ld=tricore-ld
2010 container_image=debian-amd64-cross
2011 container_cross_prefix=x86_64-linux-gnu-
2014 container_hosts=x86_64
2015 container_image=debian-xtensa-cross
2017 # default to the dc232b cpu
2018 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
2021 : ${container_cross_cc:=${container_cross_prefix}gcc}
2022 : ${container_cross_ar:=${container_cross_prefix}ar}
2023 : ${container_cross_as:=${container_cross_prefix}as}
2024 : ${container_cross_ld:=${container_cross_prefix}ld}
2025 : ${container_cross_nm:=${container_cross_prefix}nm}
2026 : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
2027 : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
2028 : ${container_cross_strip:=${container_cross_prefix}strip}
2032 case "$target_arch:$cpu" in
2033 aarch64_be:aarch64 | \
2040 try='native cross' ;;
2042 eval "target_cflags=\${cross_cc_cflags_$target_arch}"
2043 for thistry in $try; do
2052 target_objcopy=$objcopy
2053 target_ranlib=$ranlib
2058 if eval test -n "\"\${cross_cc_$target_arch}\""; then
2059 if eval has "\"\${cross_cc_$target_arch}\""; then
2060 eval "target_cc=\"\${cross_cc_$target_arch}\""
2063 compute_target_variable $target_arch target_cc gcc
2065 target_ccas=$target_cc
2066 compute_target_variable $target_arch target_ar ar
2067 compute_target_variable $target_arch target_as as
2068 compute_target_variable $target_arch target_ld ld
2069 compute_target_variable $target_arch target_nm nm
2070 compute_target_variable $target_arch target_objcopy objcopy
2071 compute_target_variable $target_arch target_ranlib ranlib
2072 compute_target_variable $target_arch target_strip strip
2076 if test -n "$target_cc"; then
2077 case $target_arch in
2079 if $target_cc --version | grep -qi "clang"; then
2084 elif test -n "$target_as" && test -n "$target_ld"; then
2085 # Special handling for assembler only targets
2103 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
2104 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
2110 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
2115 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
2123 if test $got_cross_cc != yes; then
2135 test -n "$target_cc"
2138 write_target_makefile() {
2139 echo "EXTRA_CFLAGS=$target_cflags"
2140 if test -z "$target_cc" && test -z "$target_as"; then
2141 test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
2142 echo "$1: docker-image-$container_image" >> Makefile.prereqs
2143 if test -n "$container_cross_cc"; then
2144 echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
2145 echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
2147 echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
2148 echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
2149 echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
2150 echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
2151 echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
2152 echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
2153 echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
2155 if test -n "$target_cc"; then
2156 echo "CC=$target_cc"
2157 echo "CCAS=$target_ccas"
2159 if test -n "$target_ar"; then
2160 echo "AR=$target_ar"
2162 if test -n "$target_as"; then
2163 echo "AS=$target_as"
2165 if test -n "$target_ld"; then
2166 echo "LD=$target_ld"
2168 if test -n "$target_nm"; then
2169 echo "NM=$target_nm"
2171 if test -n "$target_objcopy"; then
2172 echo "OBJCOPY=$target_objcopy"
2174 if test -n "$target_ranlib"; then
2175 echo "RANLIB=$target_ranlib"
2177 if test -n "$target_strip"; then
2178 echo "STRIP=$target_strip"
2183 ##########################################
2184 # check for vfio_user_server
2186 case "$vfio_user_server" in
2188 if test "$git_submodules_action" != "ignore"; then
2189 git_submodules="${git_submodules} subprojects/libvfio-user"
2194 ##########################################
2196 # After here, no more $cc or $ld runs
2200 if test "$fortify_source" = "yes" ; then
2201 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
2204 if test "$have_asan" = "yes"; then
2205 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
2206 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
2207 if test "$have_asan_iface_h" = "no" ; then
2208 echo "ASAN build enabled, but ASAN header missing." \
2209 "Without code annotation, the report may be inferior."
2210 elif test "$have_asan_iface_fiber" = "no" ; then
2211 echo "ASAN build enabled, but ASAN header is too old." \
2212 "Without code annotation, the report may be inferior."
2215 if test "$have_tsan" = "yes" ; then
2216 if test "$have_tsan_iface_fiber" = "yes" ; then
2217 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
2218 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
2220 error_exit "Cannot enable TSAN due to missing fiber annotation interface."
2222 elif test "$tsan" = "yes" ; then
2223 error_exit "Cannot enable TSAN due to missing sanitize thread interface."
2225 if test "$have_ubsan" = "yes"; then
2226 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
2227 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
2230 ##########################################
2231 # Guest agent Windows MSI package
2233 if test "$QEMU_GA_MANUFACTURER" = ""; then
2234 QEMU_GA_MANUFACTURER=QEMU
2236 if test "$QEMU_GA_DISTRO" = ""; then
2237 QEMU_GA_DISTRO=Linux
2239 if test "$QEMU_GA_VERSION" = ""; then
2240 QEMU_GA_VERSION=$(cat "$source_path"/VERSION)
2244 #######################################
2245 # cross-compiled firmware targets
2247 # Set up build tree symlinks that point back into the source tree
2248 # (these can be both files and directories).
2249 # Caution: avoid adding files or directories here using wildcards. This
2250 # will result in problems later if a new file matching the wildcard is
2251 # added to the source tree -- nothing will cause configure to be rerun
2252 # so the build tree will be missing the link back to the new file, and
2253 # tests might fail. Prefer to keep the relevant files in their own
2254 # directory and symlink the directory instead.
2256 LINKS="$LINKS pc-bios/optionrom/Makefile"
2257 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
2258 LINKS="$LINKS pc-bios/vof/Makefile"
2259 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
2260 LINKS="$LINKS tests/avocado tests/data"
2261 LINKS="$LINKS tests/qemu-iotests/check"
2262 LINKS="$LINKS python"
2263 LINKS="$LINKS contrib/plugins/Makefile "
2264 for f in $LINKS ; do
2265 if [ -e "$source_path/$f" ]; then
2266 mkdir -p "$(dirname ./"$f")"
2267 symlink "$source_path/$f" "$f"
2271 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
2273 # Mac OS X ships with a broken assembler
2275 if have_target i386-softmmu x86_64-softmmu && \
2276 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
2277 test "$targetos" != "haiku" && \
2278 probe_target_compiler i386-softmmu; then
2279 roms="pc-bios/optionrom"
2280 config_mak=pc-bios/optionrom/config.mak
2281 echo "# Automatically generated by configure - do not modify" > $config_mak
2282 echo "TOPSRC_DIR=$source_path" >> $config_mak
2283 write_target_makefile >> $config_mak
2286 if have_target ppc-softmmu ppc64-softmmu && \
2287 probe_target_compiler ppc-softmmu; then
2288 roms="$roms pc-bios/vof"
2289 config_mak=pc-bios/vof/config.mak
2290 echo "# Automatically generated by configure - do not modify" > $config_mak
2291 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
2292 write_target_makefile >> $config_mak
2295 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
2296 # (which is the lowest architecture level that Clang supports)
2297 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then
2299 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
2301 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
2302 if [ $has_z900 != 0 ]; then
2303 echo "WARNING: Your compiler does not support the z900!"
2304 echo " The s390-ccw bios will only work with guest CPUs >= z10."
2306 roms="$roms pc-bios/s390-ccw"
2307 config_mak=pc-bios/s390-ccw/config-host.mak
2308 echo "# Automatically generated by configure - do not modify" > $config_mak
2309 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
2310 write_target_makefile >> $config_mak
2311 # SLOF is required for building the s390-ccw firmware on s390x,
2312 # since it is using the libnet code from SLOF for network booting.
2313 git_submodules="${git_submodules} roms/SLOF"
2317 #######################################
2318 # generate config-host.mak
2320 if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then
2324 config_host_mak="config-host.mak"
2326 echo "# Automatically generated by configure - do not modify" > $config_host_mak
2327 echo >> $config_host_mak
2329 echo all: >> $config_host_mak
2330 echo "GIT=$git" >> $config_host_mak
2331 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
2332 echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak
2334 if test "$debug_tcg" = "yes" ; then
2335 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
2337 if test "$mingw32" = "yes" ; then
2338 echo "CONFIG_WIN32=y" >> $config_host_mak
2339 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
2340 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
2341 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
2343 echo "CONFIG_POSIX=y" >> $config_host_mak
2346 if test "$linux" = "yes" ; then
2347 echo "CONFIG_LINUX=y" >> $config_host_mak
2350 if test "$darwin" = "yes" ; then
2351 echo "CONFIG_DARWIN=y" >> $config_host_mak
2354 if test "$solaris" = "yes" ; then
2355 echo "CONFIG_SOLARIS=y" >> $config_host_mak
2357 if test "$static" = "yes" ; then
2358 echo "CONFIG_STATIC=y" >> $config_host_mak
2360 echo "SRC_PATH=$source_path" >> $config_host_mak
2361 echo "TARGET_DIRS=$target_list" >> $config_host_mak
2362 if test "$modules" = "yes"; then
2363 echo "CONFIG_MODULES=y" >> $config_host_mak
2366 # XXX: suppress that
2367 if [ "$bsd" = "yes" ] ; then
2368 echo "CONFIG_BSD=y" >> $config_host_mak
2371 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
2373 if test "$have_asan_iface_fiber" = "yes" ; then
2374 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
2377 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
2378 echo "CONFIG_TSAN=y" >> $config_host_mak
2381 if test "$plugins" = "yes" ; then
2382 echo "CONFIG_PLUGIN=y" >> $config_host_mak
2385 if test -n "$gdb_bin"; then
2386 gdb_version=$($gdb_bin --version | head -n 1)
2387 if version_ge ${gdb_version##* } 9.1; then
2388 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
2394 if test "$container" != no; then
2395 echo "ENGINE=$container" >> $config_host_mak
2397 echo "ROMS=$roms" >> $config_host_mak
2398 echo "MAKE=$make" >> $config_host_mak
2399 echo "PYTHON=$python" >> $config_host_mak
2400 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
2401 echo "MESON=$meson" >> $config_host_mak
2402 echo "NINJA=$ninja" >> $config_host_mak
2403 echo "CC=$cc" >> $config_host_mak
2404 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
2405 echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak
2406 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
2407 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
2408 echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak
2409 echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak
2410 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
2411 echo "EXESUF=$EXESUF" >> $config_host_mak
2413 # use included Linux headers
2414 if test "$linux" = "yes" ; then
2415 mkdir -p linux-headers
2430 linux_arch=loongarch
2436 # For most CPUs the kernel architecture name and QEMU CPU name match.
2440 # For non-KVM architectures we will not have asm headers
2441 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
2442 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
2446 for target in $target_list; do
2447 target_dir="$target"
2448 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
2449 mkdir -p "$target_dir"
2451 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
2452 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
2456 if test "$default_targets" = "yes"; then
2457 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
2460 if test "$ccache_cpp2" = "yes"; then
2461 echo "export CCACHE_CPP2=y" >> $config_host_mak
2464 if test "$safe_stack" = "yes"; then
2465 echo "CONFIG_SAFESTACK=y" >> $config_host_mak
2468 # tests/tcg configuration
2469 (config_host_mak=tests/tcg/config-host.mak
2471 echo "# Automatically generated by configure - do not modify" > $config_host_mak
2472 echo "SRC_PATH=$source_path" >> $config_host_mak
2473 echo "HOST_CC=$host_cc" >> $config_host_mak
2475 # versioned checked in the main config_host.mak above
2476 if test -n "$gdb_bin"; then
2477 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
2481 for target in $target_list; do
2486 # the toolchain is not complete with headers, only build softmmu tests
2490 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
2491 qemu="qemu-system-$arch"
2493 *-linux-user|*-bsd-user)
2498 if probe_target_compiler $target || test -n "$container_image"; then
2499 test -n "$container_image" && build_static=y
2500 mkdir -p "tests/tcg/$target"
2501 config_target_mak=tests/tcg/$target/config-target.mak
2502 ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
2503 echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
2504 echo "TARGET_NAME=$arch" >> "$config_target_mak"
2505 echo "TARGET=$target" >> "$config_target_mak"
2506 write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
2507 echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
2508 echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
2509 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
2510 tcg_tests_targets="$tcg_tests_targets $target"
2513 echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak)
2515 if test "$skip_meson" = no; then
2516 cross="config-meson.cross.new"
2518 test $# = 0 && return
2519 echo "'$(echo $* | sed "s/ /','/g")'"
2522 echo "# Automatically generated by configure - do not modify" > $cross
2523 echo "[properties]" >> $cross
2525 # unroll any custom device configs
2526 for a in $device_archs; do
2527 eval "c=\$devices_${a}"
2528 echo "${a}-softmmu = '$c'" >> $cross
2531 echo "[built-in options]" >> $cross
2532 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
2533 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
2534 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
2535 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
2536 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
2537 echo "[binaries]" >> $cross
2538 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
2539 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
2540 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
2541 echo "ar = [$(meson_quote $ar)]" >> $cross
2542 echo "nm = [$(meson_quote $nm)]" >> $cross
2543 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross
2544 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
2545 if has $sdl2_config; then
2546 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
2548 echo "strip = [$(meson_quote $strip)]" >> $cross
2549 echo "widl = [$(meson_quote $widl)]" >> $cross
2550 echo "windres = [$(meson_quote $windres)]" >> $cross
2551 if test "$cross_compile" = "yes"; then
2552 cross_arg="--cross-file config-meson.cross"
2553 echo "[host_machine]" >> $cross
2554 echo "system = '$targetos'" >> $cross
2557 echo "cpu_family = 'x86'" >> $cross
2560 echo "cpu_family = '$cpu'" >> $cross
2563 echo "cpu = '$cpu'" >> $cross
2564 if test "$bigendian" = "yes" ; then
2565 echo "endian = 'big'" >> $cross
2567 echo "endian = 'little'" >> $cross
2570 cross_arg="--native-file config-meson.cross"
2572 mv $cross config-meson.cross
2574 rm -rf meson-private meson-info meson-logs
2577 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
2578 test "$default_feature" = no && meson_option_add -Dauto_features=disabled
2579 test "$pie" = no && meson_option_add -Db_pie=false
2580 test "$werror" = yes && meson_option_add -Dwerror=true
2583 test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
2584 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt"
2585 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
2586 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
2587 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
2588 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
2589 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server"
2591 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
2593 eval run_meson $meson_options
2594 if test "$?" -ne 0 ; then
2595 error_exit "meson setup failed"
2598 if test -f meson-private/cmd_line.txt; then
2599 # Adjust old command line options whose type was changed
2600 # Avoids having to use "setup --wipe" when Meson is upgraded
2602 s/^gettext = true$/gettext = auto/;
2603 s/^gettext = false$/gettext = disabled/;
2604 /^b_staticpic/ && next;
2605 print;' meson-private/cmd_line.txt
2609 # Save the configure command line for later reuse.
2610 cat <<EOD >config.status
2612 # Generated by configure.
2613 # Run this file to recreate the current configuration.
2614 # Compiler output produced by configure, useful for debugging
2615 # configure, is in config.log if it exists.
2621 eval envval=\$$envname
2623 if test -n "$envval"
2625 echo "$envname='$envval'" >> config.status
2626 echo "export $envname" >> config.status
2628 echo "unset $envname" >> config.status
2632 # Preserve various env variables that influence what
2633 # features/build target configure will detect
2639 preserve_env CXXFLAGS
2641 preserve_env LDFLAGS
2642 preserve_env LD_LIBRARY_PATH
2645 preserve_env OBJCFLAGS
2646 preserve_env OBJCOPY
2648 preserve_env PKG_CONFIG
2649 preserve_env PKG_CONFIG_LIBDIR
2650 preserve_env PKG_CONFIG_PATH
2652 preserve_env SDL2_CONFIG
2656 preserve_env WINDRES
2658 printf "exec" >>config.status
2659 for i in "$0" "$@"; do
2660 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
2662 echo ' "$@"' >>config.status
2663 chmod +x config.status