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 $(date)" >> config.log
85 printf "# Configured with:" >> config.log
86 # repeat the invocation to log and stdout for CI
87 invoke=$(printf " '%s'" "$0" "$@")
88 test -n "$GITLAB_CI" && echo "configuring with: $invoke"
89 { echo "$invoke"; echo; echo "#"; } >> config.log
92 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
98 while test -n "$2"; do
111 # Run the compiler, capturing its output to the log. First argument
112 # is compiler binary to execute.
115 if test -n "$BASH_VERSION"; then eval '
117 funcs: ${FUNCNAME[*]}
118 lines: ${BASH_LINENO[*]}"
120 echo $compiler "$@" >> config.log
121 $compiler "$@" >> config.log 2>&1 || return $?
124 do_compiler_werror() {
125 # Run the compiler, capturing its output to the log. First argument
126 # is compiler binary to execute.
129 if test -n "$BASH_VERSION"; then eval '
131 funcs: ${FUNCNAME[*]}
132 lines: ${BASH_LINENO[*]}"
134 echo $compiler "$@" >> config.log
135 $compiler "$@" >> config.log 2>&1 || return $?
136 # Test passed. If this is an --enable-werror build, rerun
137 # the test with -Werror and bail out if it fails. This
138 # makes warning-generating-errors in configure test code
139 # obvious to developers.
140 if test "$werror" != "yes"; then
143 # Don't bother rerunning the compile if we were already using -Werror
149 echo $compiler -Werror "$@" >> config.log
150 $compiler -Werror "$@" >> config.log 2>&1 && return $?
151 error_exit "configure test passed without -Werror but failed with -Werror." \
152 "This is probably a bug in the configure script. The failing command" \
153 "will be at the bottom of config.log." \
154 "You can run configure with --disable-werror to bypass this check."
158 do_compiler_werror "$cc" $CPU_CFLAGS "$@"
162 do_compiler_werror "$objcc" $CPU_CFLAGS "$@"
165 # Append $2 to the variable named $1, with space separation
167 eval $1=\${$1:+\"\$$1 \"}\$2
172 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
178 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \
179 $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags
182 # symbolically link $1 to $2. Portable version of "ln -sf".
185 mkdir -p "$(dirname "$2")"
189 # check whether a command is available to this shell (may be either an
190 # executable or a builtin)
192 type "$1" >/dev/null 2>&1
196 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
197 local_ver2=$(echo "$2" | tr . ' ')
201 # 'shift 2' if $2 is set, or 'shift' if $2 is not set
205 # the second argument finished, the first must be greater or equal
206 test $# = 1 && return 0
207 test $local_first -lt $2 && return 1
208 test $local_first -gt $2 && return 0
214 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
216 error_exit "main directory cannot contain spaces nor colons"
228 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
230 if test -e "$source_path/.git"
232 git_submodules_action="update"
234 git_submodules_action="ignore"
237 git_submodules="ui/keycodemapdb"
240 # Don't accept a target_list environment variable.
242 unset target_list_exclude
244 # Default value for a variable defining feature "foo".
245 # * foo="no" feature will only be used if --enable-foo arg is given
246 # * foo="" feature will be searched for, and if found, will be used
247 # unless --disable-foo is given
248 # * foo="yes" this value will only be set by --enable-foo flag.
249 # feature will searched for,
250 # if not found, configure exits with error
252 # Always add --enable-foo and --disable-foo command line args.
253 # Distributions want to ensure that several features are compiled in, and it
254 # is impossible without a --enable-foo that exits if a feature is not found.
257 # parse CC options second
259 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
261 --without-default-features)
285 plugins="$default_feature"
290 vfio_user_server="disabled"
292 # The following Meson options are handled manually (still they
293 # are included in the automatically generated help message)
295 # 1. Track which submodules are needed
298 # 2. Automatically enable/disable other options
302 # parse CC options second
304 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
306 --cross-prefix=*) cross_prefix="$optarg"
311 --cxx=*) CXX="$optarg"
313 --cpu=*) cpu="$optarg"
316 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
317 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
318 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
320 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
322 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
324 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
326 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
328 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
329 eval "cross_cc_cflags_${cc_arch}=\$optarg"
331 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
332 eval "cross_cc_${cc_arch}=\$optarg"
334 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
336 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
337 eval "cross_prefix_${cc_arch}=\$optarg"
342 # Preferred compiler:
344 # ${cross_prefix}gcc (if cross-prefix specified)
346 if test -z "${CC}${cross_prefix}"; then
349 cc="${CC-${cross_prefix}gcc}"
352 if test -z "${CXX}${cross_prefix}"; then
355 cxx="${CXX-${cross_prefix}g++}"
358 ar="${AR-${cross_prefix}ar}"
359 as="${AS-${cross_prefix}as}"
361 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
362 ld="${LD-${cross_prefix}ld}"
363 ranlib="${RANLIB-${cross_prefix}ranlib}"
364 nm="${NM-${cross_prefix}nm}"
366 strip="${STRIP-${cross_prefix}strip}"
367 widl="${WIDL-${cross_prefix}widl}"
368 windres="${WINDRES-${cross_prefix}windres}"
369 windmc="${WINDMC-${cross_prefix}windmc}"
370 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
372 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
374 pkg_config=query_pkg_config
375 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
377 # default flags for all hosts
378 # We use -fwrapv to tell the compiler that we require a C dialect where
379 # left shift of signed integers is well defined and has the expected
380 # 2s-complement style results. (Both clang and gcc agree that it
381 # provides these semantics.)
382 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv"
383 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
387 # Flags that are needed during configure but later taken care of by Meson
388 CONFIGURE_CFLAGS="-std=gnu11 -Wall"
395 #error $1 not defined
397 int main(void) { return 0; }
405 int main(void) { return 0; }
412 int main(void) { return 0; }
416 if check_define __linux__ ; then
418 elif check_define _WIN32 ; then
420 elif check_define __OpenBSD__ ; then
422 elif check_define __sun__ ; then
424 elif check_define __HAIKU__ ; then
426 elif check_define __FreeBSD__ ; then
428 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
429 targetos=gnu/kfreebsd
430 elif check_define __DragonFly__ ; then
432 elif check_define __NetBSD__; then
434 elif check_define __APPLE__; then
437 # This is a fatal error, but don't report it yet, because we
438 # might be going to just print the --help text, or it might
439 # be the result of a missing compiler.
461 # needed for kinfo_getvmmap(3) in libutil.h
478 # Disable attempts to use ObjectiveC features in os/object.h since they
479 # won't work when we're compiling with gcc as a C compiler.
480 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
485 # needed for CMSG_ macros in sys/socket.h
486 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
487 # needed for TIOCWIN* defines in termios.h
488 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
492 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS"
499 if test ! -z "$cpu" ; then
500 # command line argument
502 elif check_define __i386__ ; then
504 elif check_define __x86_64__ ; then
505 if check_define __ILP32__ ; then
510 elif check_define __sparc__ ; then
511 if check_define __arch64__ ; then
516 elif check_define _ARCH_PPC ; then
517 if check_define _ARCH_PPC64 ; then
518 if check_define _LITTLE_ENDIAN ; then
526 elif check_define __mips__ ; then
528 elif check_define __s390__ ; then
529 if check_define __s390x__ ; then
534 elif check_define __riscv ; then
536 elif check_define __arm__ ; then
538 elif check_define __aarch64__ ; then
540 elif check_define __loongarch64 ; then
543 # Using uname is really broken, but it is just a fallback for architectures
544 # that are going to use TCI anyway
546 echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
549 # Normalise host CPU name and set multilib cflags. The canonicalization
550 # isn't really necessary, because the architectures that we check for
551 # should not hit the 'uname -m' case, but better safe than sorry.
552 # Note that this case should only have supported host CPUs, not guests.
562 CPU_CFLAGS="-mx32" ;;
565 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
566 # If we truly care, we should simply detect this case at
567 # runtime and generate the fallback to serial emulation.
568 CPU_CFLAGS="-m64 -mcx16" ;;
576 CPU_CFLAGS="-m64 -mbig-endian" ;;
579 CPU_CFLAGS="-m64 -mlittle-endian" ;;
588 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;;
590 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;;
593 : ${make=${MAKE-make}}
595 # We prefer python 3.x. A bare 'python' is traditionally
596 # python 2.x, but some distros have it as python 3.x, so
600 for binary in "${PYTHON-python3}" python
604 python=$(command -v "$binary")
610 # Check for ancillary tools used in testing
612 for binary in genisoimage mkisofs
616 genisoimage=$(command -v "$binary")
621 # Default objcc to clang if available, otherwise use CC
628 if test "$mingw32" = "yes" ; then
630 # MinGW needs -mthreads for TLS and macro _MT.
631 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
639 meson_option_build_array() {
641 (if test "$targetos" = windows; then
648 # backslash escape any '\' and '"' characters
649 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
655 . "$source_path/scripts/meson-buildoptions.sh"
659 meson_options="$meson_options $(quote_sh "$1")"
661 meson_option_parse() {
662 meson_options="$meson_options $(_meson_option_parse "$@")"
663 if test $? -eq 1; then
664 echo "ERROR: unknown option $1"
665 echo "Try '$0 --help' for more information"
671 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
673 --help|-h) show_help=yes
675 --version|-V) exec cat "$source_path/VERSION"
677 --prefix=*) prefix="$optarg"
683 --host-cc=*) host_cc="$optarg"
687 --objcc=*) objcc="$optarg"
689 --make=*) make="$optarg"
693 --python=*) python="$optarg" ; explicit_python=yes
695 --skip-meson) skip_meson=yes
697 --meson=*) meson="$optarg"
699 --ninja=*) ninja="$optarg"
701 --smbd=*) smbd="$optarg"
715 --enable-debug-info) meson_option_add -Ddebug=true
717 --disable-debug-info) meson_option_add -Ddebug=false
727 --target-list=*) target_list="$optarg"
728 if test "$target_list_exclude"; then
729 error_exit "Can't mix --target-list with --target-list-exclude"
732 --target-list-exclude=*) target_list_exclude="$optarg"
733 if test "$target_list"; then
734 error_exit "Can't mix --target-list-exclude with --target-list"
737 --with-default-devices) meson_option_add -Ddefault_devices=true
739 --without-default-devices) meson_option_add -Ddefault_devices=false
741 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
743 --with-devices-*) device_arch=${opt#--with-devices-};
744 device_arch=${device_arch%%=*}
745 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
746 if test -f "$cf"; then
747 device_archs="$device_archs $device_arch"
748 eval "devices_${device_arch}=\$optarg"
750 error_exit "File $cf does not exist"
753 --without-default-features) # processed above
757 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
759 --bindir=*) bindir="$optarg"
761 --with-suffix=*) qemu_suffix="$optarg"
764 --disable-dependency-tracking|\
765 --sbindir=*|--sharedstatedir=*|\
766 --oldincludedir=*|--datarootdir=*|--infodir=*|\
767 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
768 # These switches are silently ignored, for compatibility with
769 # autoconf-generated configure scripts. This allows QEMU's
770 # configure to be used by RPM and similar macros that set
771 # lots of directory switches by default.
773 --enable-debug-tcg) debug_tcg="yes"
775 --disable-debug-tcg) debug_tcg="no"
778 # Enable debugging options that aren't excessively noisy
780 meson_option_parse --enable-debug-mutex ""
781 meson_option_add -Doptimization=0
784 --enable-sanitizers) sanitizers="yes"
786 --disable-sanitizers) sanitizers="no"
788 --enable-tsan) tsan="yes"
790 --disable-tsan) tsan="no"
792 --disable-tcg) tcg="disabled"
795 --enable-tcg) tcg="enabled"
797 --disable-system) softmmu="no"
799 --enable-system) softmmu="yes"
806 --disable-linux-user) linux_user="no"
808 --enable-linux-user) linux_user="yes"
810 --disable-bsd-user) bsd_user="no"
812 --enable-bsd-user) bsd_user="yes"
814 --enable-pie) pie="yes"
816 --disable-pie) pie="no"
818 --enable-werror) werror="yes"
820 --disable-werror) werror="no"
822 --enable-stack-protector) stack_protector="yes"
824 --disable-stack-protector) stack_protector="no"
826 --enable-safe-stack) safe_stack="yes"
828 --disable-safe-stack) safe_stack="no"
832 meson_option_add -Db_lto=true
834 --disable-cfi) cfi="false"
836 --disable-fdt) fdt="disabled"
838 --enable-fdt) fdt="enabled"
840 --enable-fdt=git) fdt="internal"
842 --enable-fdt=*) fdt="$optarg"
844 --with-coroutine=*) coroutine="$optarg"
846 --with-git=*) git="$optarg"
848 --with-git-submodules=*)
849 git_submodules_action="$optarg"
851 --enable-plugins) if test "$mingw32" = "yes"; then
852 error_exit "TCG plugins not currently supported on Windows platforms"
857 --disable-plugins) plugins="no"
859 --enable-containers) use_containers="yes"
861 --disable-containers) use_containers="no"
863 --gdb=*) gdb_bin="$optarg"
865 --enable-vfio-user-server) vfio_user_server="enabled"
867 --disable-vfio-user-server) vfio_user_server="disabled"
869 # everything else has the same name in configure and meson
870 --*) meson_option_parse "$opt" "$optarg"
875 # test for any invalid configuration combinations
876 if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
877 error_exit "Can't enable plugins on non-TCG builds"
880 case $git_submodules_action in
882 if test ! -e "$source_path/.git"; then
883 echo "ERROR: cannot $git_submodules_action git submodules without .git"
888 if ! test -f "$source_path/ui/keycodemapdb/README"
891 echo "ERROR: missing GIT submodules"
893 if test -e "$source_path/.git"; then
894 echo "--with-git-submodules=ignore specified but submodules were not"
895 echo "checked out. Please initialize and update submodules."
897 echo "This is not a GIT checkout but module content appears to"
898 echo "be missing. Do not use 'git archive' or GitHub download links"
899 echo "to acquire QEMU source archives. Non-GIT builds are only"
900 echo "supported with source archives linked from:"
902 echo " https://www.qemu.org/download/#source"
904 echo "Developers working with GIT can use scripts/archive-source.sh"
905 echo "if they need to create valid source archives."
912 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'"
917 default_target_list=""
920 if [ "$linux_user" != no ]; then
921 if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then
923 elif [ "$linux_user" = yes ]; then
924 error_exit "linux-user not supported on this architecture"
927 if [ "$bsd_user" != no ]; then
928 if [ "$bsd_user" = "" ]; then
929 test $targetos = freebsd && bsd_user=yes
931 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
932 error_exit "bsd-user not supported on this host OS"
935 if [ "$softmmu" = "yes" ]; then
936 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
938 if [ "$linux_user" = "yes" ]; then
939 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
941 if [ "$bsd_user" = "yes" ]; then
942 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
945 for config in $mak_wilds; do
946 target="$(basename "$config" .mak)"
947 if echo "$target_list_exclude" | grep -vq "$target"; then
948 default_target_list="${default_target_list} $target"
952 if test x"$show_help" = x"yes" ; then
955 Usage: configure [options]
956 Options: [defaults in brackets after descriptions]
959 --help print this message
960 --prefix=PREFIX install in PREFIX [$prefix]
961 --target-list=LIST set target list (default: build all)
962 $(echo Available targets: $default_target_list | \
963 fold -s -w 53 | sed -e 's/^/ /')
964 --target-list-exclude=LIST exclude a set of targets from the default target-list
966 Advanced options (experts only):
967 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
968 --cc=CC use C compiler CC [$cc]
969 --host-cc=CC use C compiler CC [$host_cc] for code run at
971 --cxx=CXX use C++ compiler CXX [$cxx]
972 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
973 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS
974 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
975 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
976 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
977 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
978 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests
979 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
980 --make=MAKE use specified make [$make]
981 --python=PYTHON use specified python [$python]
982 --meson=MESON use specified meson [$meson]
983 --ninja=NINJA use specified ninja [$ninja]
984 --smbd=SMBD use specified smbd [$smbd]
985 --with-git=GIT use specified git [$git]
986 --with-git-submodules=update update git submodules (default if .git dir exists)
987 --with-git-submodules=validate fail if git submodules are not up to date
988 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir)
989 --static enable static build [$static]
990 --bindir=PATH install binaries in PATH
991 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
992 --without-default-features default all --enable-* options to "disabled"
993 --without-default-devices do not include any device that is not needed to
994 start the emulator (only use if you are including
995 desired devices in configs/devices/)
996 --with-devices-ARCH=NAME override default configs/devices
997 --enable-debug enable common debug build options
998 --enable-sanitizers enable default sanitizers
999 --enable-tsan enable thread sanitizer
1000 --disable-werror disable compilation abort on warning
1001 --disable-stack-protector disable compiler-provided stack protection
1002 --cpu=CPU Build for host CPU [$cpu]
1003 --with-coroutine=BACKEND coroutine backend. Supported options:
1004 ucontext, sigaltstack, windows
1006 enable plugins via shared library loading
1007 --disable-containers don't use containers for cross-building
1008 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
1012 system all system emulation targets
1013 user supported user emulation targets
1014 linux-user all linux usermode emulation targets
1015 bsd-user all BSD usermode emulation targets
1016 pie Position Independent Executables
1017 modules modules support (non-Windows)
1018 debug-tcg TCG debugging (default is disabled)
1019 debug-info debugging information
1020 safe-stack SafeStack Stack Smash Protection. Depends on
1021 clang/llvm and requires coroutine backend ucontext.
1023 NOTE: The object files are built at the place where configure is launched
1028 # Remove old dependency files to make sure that they get properly regenerated
1029 rm -f ./*/config-devices.mak.d
1031 if test -z "$python"
1033 error_exit "Python not found. Use --python=/path/to/python"
1037 error_exit "GNU make ($make) not found"
1040 # Note that if the Python conditional here evaluates True we will exit
1041 # with status 1 which is a shell 'false' value.
1042 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
1043 error_exit "Cannot use '$python', Python >= 3.6 is required." \
1044 "Use --python=/path/to/python to specify a supported Python."
1047 # Resolve PATH + suppress writing compiled files
1048 python="$(command -v "$python") -B"
1051 local python_dir=$(dirname "$python")
1052 # PEP405: pyvenv.cfg is either adjacent to the Python executable
1053 # or one directory above
1054 if test -f $python_dir/pyvenv.cfg || test -f $python_dir/../pyvenv.cfg; then
1055 # Ensure that Meson and Python come from the same virtual environment
1056 test -x "$python_dir/meson" &&
1057 test "$(command -v meson)" -ef "$python_dir/meson"
1063 if test -z "$meson"; then
1064 if test "$explicit_python" = no && has_meson && version_ge "$(meson --version)" 0.61.5; then
1066 elif test "$git_submodules_action" != 'ignore' ; then
1068 elif test -e "${source_path}/meson/meson.py" ; then
1071 if test "$explicit_python" = yes; then
1072 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1074 error_exit "Meson not found. Use --meson=/path/to/meson"
1078 # Meson uses its own Python interpreter to invoke other Python scripts,
1079 # but the user wants to use the one they specified with --python.
1081 # We do not want to override the distro Python interpreter (and sometimes
1082 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1083 # just require --meson=git|internal together with --python.
1084 if test "$explicit_python" = yes; then
1087 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1092 if test "$meson" = git; then
1093 git_submodules="${git_submodules} meson"
1098 meson="$python ${source_path}/meson/meson.py"
1100 *) meson=$(command -v "$meson") ;;
1105 if test -z "$ninja"; then
1106 for c in ninja ninja-build samu; do
1108 ninja=$(command -v "$c")
1112 if test -z "$ninja"; then
1113 error_exit "Cannot find Ninja"
1117 # Check that the C compiler works. Doing this here before testing
1118 # the host CPU ensures that we had a valid CC to autodetect the
1119 # $cpu var (and we should bail right here if that's not the case).
1120 # It also allows the help message to be printed without a CC.
1122 if compile_object ; then
1123 : C compiler works ok
1125 error_exit "\"$cc\" either does not exist or does not work"
1127 if ! compile_prog ; then
1128 error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1131 # Consult white-list to determine whether to enable werror
1132 # by default. Only enable by default for git builds
1133 if test -z "$werror" ; then
1134 if test "$git_submodules_action" != "ignore" && \
1135 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1142 if test "$targetos" = "bogus"; then
1143 # Now that we know that we're not printing the help and that
1144 # the compiler works (so the results of the check_defines we used
1145 # to identify the OS are reliable), if we didn't recognize the
1146 # host OS we should stop now.
1147 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1150 # Check whether the compiler matches our minimum requirements:
1152 #if defined(__clang_major__) && defined(__clang_minor__)
1153 # ifdef __apple_build_version__
1154 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
1155 # error You need at least XCode Clang v12.0 to compile QEMU
1158 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
1159 # error You need at least Clang v10.0 to compile QEMU
1162 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1163 # if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4)
1164 # error You need at least GCC v7.4.0 to compile QEMU
1167 # error You either need GCC or Clang to compiler QEMU
1169 int main (void) { return 0; }
1171 if ! compile_prog "" "" ; then
1172 error_exit "You need at least GCC v7.4 or Clang v10.0 (or XCode Clang v12.0)"
1175 # Accumulate -Wfoo and -Wno-bar separately.
1176 # We will list all of the enable flags first, and the disable flags second.
1177 # Note that we do not add -Werror, because that would enable it for all
1178 # configure tests. If a configure test failed due to -Werror this would
1179 # just silently disable some features, so it's too error prone.
1182 add_to warn_flags -Wundef
1183 add_to warn_flags -Wwrite-strings
1184 add_to warn_flags -Wmissing-prototypes
1185 add_to warn_flags -Wstrict-prototypes
1186 add_to warn_flags -Wredundant-decls
1187 add_to warn_flags -Wold-style-declaration
1188 add_to warn_flags -Wold-style-definition
1189 add_to warn_flags -Wtype-limits
1190 add_to warn_flags -Wformat-security
1191 add_to warn_flags -Wformat-y2k
1192 add_to warn_flags -Winit-self
1193 add_to warn_flags -Wignored-qualifiers
1194 add_to warn_flags -Wempty-body
1195 add_to warn_flags -Wnested-externs
1196 add_to warn_flags -Wendif-labels
1197 add_to warn_flags -Wexpansion-to-defined
1198 add_to warn_flags -Wimplicit-fallthrough=2
1199 add_to warn_flags -Wmissing-format-attribute
1200 add_to warn_flags -Wthread-safety
1203 add_to nowarn_flags -Wno-initializer-overrides
1204 add_to nowarn_flags -Wno-missing-include-dirs
1205 add_to nowarn_flags -Wno-shift-negative-value
1206 add_to nowarn_flags -Wno-string-plus-int
1207 add_to nowarn_flags -Wno-typedef-redefinition
1208 add_to nowarn_flags -Wno-tautological-type-limit-compare
1209 add_to nowarn_flags -Wno-psabi
1210 add_to nowarn_flags -Wno-gnu-variable-sized-type-not-at-end
1212 gcc_flags="$warn_flags $nowarn_flags"
1214 cc_has_warning_flag() {
1217 # Use the positive sense of the flag when testing for -Wno-wombat
1218 # support (gcc will happily accept the -Wno- form of unknown
1220 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1221 compile_prog "-Werror $optflag" ""
1224 objcc_has_warning_flag() {
1226 int main(void) { return 0; }
1229 # Use the positive sense of the flag when testing for -Wno-wombat
1230 # support (gcc will happily accept the -Wno- form of unknown
1232 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1233 do_objc -Werror $optflag \
1234 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \
1235 -o $TMPE $TMPM $QEMU_LDFLAGS
1238 for flag in $gcc_flags; do
1239 if cc_has_warning_flag $flag ; then
1240 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1242 if objcc_has_warning_flag $flag ; then
1243 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag"
1247 if test "$stack_protector" != "no"; then
1249 int main(int argc, char *argv[])
1251 char arr[64], *p = arr, *c = argv[argc - 1];
1258 gcc_flags="-fstack-protector-strong -fstack-protector-all"
1260 for flag in $gcc_flags; do
1261 # We need to check both a compile and a link, since some compiler
1262 # setups fail only on a .c->.o compile and some only at link time
1263 if compile_object "-Werror $flag" &&
1264 compile_prog "-Werror $flag" ""; then
1265 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1266 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1271 if test "$stack_protector" = yes; then
1272 if test $sp_on = 0; then
1273 error_exit "Stack protector not supported"
1278 # Our module code doesn't support Windows
1279 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
1280 error_exit "Modules are not available for Windows"
1283 # Static linking is not possible with plugins, modules or PIE
1284 if test "$static" = "yes" ; then
1285 if test "$modules" = "yes" ; then
1286 error_exit "static and modules are mutually incompatible"
1288 if test "$plugins" = "yes"; then
1289 error_exit "static and plugins are mutually incompatible"
1294 test "$plugins" = "" && plugins=yes
1299 # define THREAD __thread
1303 static THREAD int tls_var;
1304 int main(void) { return tls_var; }
1307 # Meson currently only handles pie as a boolean for now so if we have
1308 # explicitly disabled PIE we need to extend our cflags because it wont.
1309 if test "$static" = "yes"; then
1310 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1311 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
1313 elif test "$pie" = "yes"; then
1314 error_exit "-static-pie not available due to missing toolchain support"
1317 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS"
1319 elif test "$pie" = "no"; then
1320 if compile_prog "-Werror -fno-pie" "-no-pie"; then
1321 CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS"
1322 CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS"
1323 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS"
1325 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1326 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
1327 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
1329 elif test "$pie" = "yes"; then
1330 error_exit "PIE not available due to missing toolchain support"
1332 echo "Disabling PIE due to missing toolchain support"
1336 ##########################################
1337 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1338 # use i686 as default anyway, but for those that don't, an explicit
1339 # specification is necessary
1341 if test "$cpu" = "i386"; then
1343 static int sfaa(int *ptr)
1345 return __sync_fetch_and_and(ptr, 0);
1351 val = __sync_val_compare_and_swap(&val, 0, 1);
1356 if ! compile_prog "" "" ; then
1357 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1361 if test -z "${target_list+xxx}" ; then
1363 for target in $default_target_list; do
1364 target_list="$target_list $target"
1366 target_list="${target_list# }"
1369 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1370 for target in $target_list; do
1371 # Check that we recognised the target name; this allows a more
1372 # friendly error message than if we let it fall through.
1373 case " $default_target_list " in
1377 error_exit "Unknown target name '$target'"
1383 # see if system emulation was really requested
1384 case " $target_list " in
1385 *"-softmmu "*) softmmu=yes
1391 if test "$tcg" = "auto"; then
1392 if test -z "$target_list"; then
1399 if test "$tcg" = "enabled"; then
1400 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
1401 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
1404 ##########################################
1405 # big/little endian test
1407 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1410 int main(void) { return 0; }
1413 if ! compile_prog ; then
1417 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1420 int main(void) { return 0; }
1423 if ! compile_prog ; then
1426 echo big/little test failed
1431 ##########################################
1434 if ! has "$pkg_config_exe"; then
1435 error_exit "pkg-config binary '$pkg_config_exe' not found"
1438 ##########################################
1439 # glib support probe
1441 # When bumping glib_req_ver, please check also whether we should increase
1442 # the _WIN32_WINNT setting in osdep.h according to the value from glib
1444 glib_modules=gthread-2.0
1445 if test "$modules" = yes; then
1446 glib_modules="$glib_modules gmodule-export-2.0"
1447 elif test "$plugins" = "yes"; then
1448 glib_modules="$glib_modules gmodule-no-export-2.0"
1451 for i in $glib_modules; do
1452 if $pkg_config --atleast-version=$glib_req_ver $i; then
1453 glib_cflags=$($pkg_config --cflags $i)
1454 glib_libs=$($pkg_config --libs $i)
1456 error_exit "glib-$glib_req_ver $i is required to compile QEMU"
1460 glib_bindir="$($pkg_config --variable=bindir glib-2.0)"
1461 if test -z "$glib_bindir" ; then
1462 glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin
1465 # This workaround is required due to a bug in pkg-config file for glib as it
1466 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
1468 if test "$static" = yes && test "$mingw32" = yes; then
1469 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
1472 # Sanity check that the current size_t matches the
1473 # size that glib thinks it should be. This catches
1474 # problems on multi-arch where people try to build
1475 # 32-bit QEMU while pointing at 64-bit glib headers
1480 #define QEMU_BUILD_BUG_ON(x) \
1481 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
1484 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
1489 if ! compile_prog "$glib_cflags" "$glib_libs" ; then
1490 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
1491 "You probably need to set PKG_CONFIG_LIBDIR"\
1492 "to point to the right pkg-config files for your"\
1496 # Silence clang warnings triggered by glib < 2.57.2
1499 typedef struct Foo {
1502 static void foo_free(Foo *f)
1506 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
1507 int main(void) { return 0; }
1509 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
1510 if cc_has_warning_flag "-Wno-unused-function"; then
1511 glib_cflags="$glib_cflags -Wno-unused-function"
1512 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
1516 ##########################################
1520 auto | enabled | internal)
1521 # Simpler to always update submodule, even if not needed.
1522 git_submodules="${git_submodules} dtc"
1526 ##########################################
1527 # check and set a backend for coroutine
1529 # We prefer ucontext, but it's not always possible. The fallback
1530 # is sigcontext. On Windows the only valid backend is the Windows
1534 if test "$darwin" != "yes"; then
1536 #include <ucontext.h>
1537 #ifdef __stub_makecontext
1538 #error Ignoring glibc stub makecontext which will always fail
1540 int main(void) { makecontext(0, 0, 0); return 0; }
1542 if compile_prog "" "" ; then
1547 if test "$coroutine" = ""; then
1548 if test "$mingw32" = "yes"; then
1550 elif test "$ucontext_works" = "yes"; then
1553 coroutine=sigaltstack
1558 if test "$mingw32" != "yes"; then
1559 error_exit "'windows' coroutine backend only valid for Windows"
1561 # Unfortunately the user visible backend name doesn't match the
1562 # coroutine-*.c filename for this case, so we have to adjust it here.
1566 if test "$ucontext_works" != "yes"; then
1567 error_exit "'ucontext' backend requested but makecontext not available"
1571 if test "$mingw32" = "yes"; then
1572 error_exit "only the 'windows' coroutine backend is valid for Windows"
1576 error_exit "unknown coroutine backend $coroutine"
1581 ##################################################
1585 if test "$safe_stack" = "yes"; then
1589 #if ! __has_feature(safe_stack)
1590 #error SafeStack Disabled
1595 flag="-fsanitize=safe-stack"
1596 # Check that safe-stack is supported and enabled.
1597 if compile_prog "-Werror $flag" "$flag"; then
1598 # Flag needed both at compilation and at linking
1599 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1600 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1602 error_exit "SafeStack not supported by your compiler"
1604 if test "$coroutine" != "ucontext"; then
1605 error_exit "SafeStack is only supported by the coroutine backend ucontext"
1611 #if defined(__has_feature)
1612 #if __has_feature(safe_stack)
1613 #error SafeStack Enabled
1619 if test "$safe_stack" = "no"; then
1620 # Make sure that safe-stack is disabled
1621 if ! compile_prog "-Werror" ""; then
1622 # SafeStack was already enabled, try to explicitly remove the feature
1623 flag="-fno-sanitize=safe-stack"
1624 if ! compile_prog "-Werror $flag" "$flag"; then
1625 error_exit "Configure cannot disable SafeStack"
1627 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1628 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1630 else # "$safe_stack" = ""
1631 # Set safe_stack to yes or no based on pre-existing flags
1632 if compile_prog "-Werror" ""; then
1636 if test "$coroutine" != "ucontext"; then
1637 error_exit "SafeStack is only supported by the coroutine backend ucontext"
1643 ########################################
1644 # check if ccache is interfering with
1645 # semantic analysis of macros
1650 static const int Z = 1;
1651 #define fn() ({ Z; })
1652 #define TAUT(X) ((X) == Z)
1653 #define PAREN(X, Y) (X == Y)
1661 if (PAREN(x, y)) return 0;
1662 if (TAUT(Z)) return 0;
1667 if ! compile_object "-Werror"; then
1671 #################################################
1672 # clang does not support glibc + FORTIFY_SOURCE.
1674 if test "$fortify_source" != "no"; then
1675 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
1676 fortify_source="no";
1677 elif test -n "$cxx" && has $cxx &&
1678 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
1679 fortify_source="no";
1681 fortify_source="yes"
1685 ##########################################
1686 # checks for sanitizers
1690 have_asan_iface_h=no
1691 have_asan_iface_fiber=no
1693 if test "$sanitizers" = "yes" ; then
1695 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
1699 # we could use a simple skeleton for flags checks, but this also
1700 # detect the static linking issue of ubsan, see also:
1701 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
1705 void *tmp = malloc(10);
1707 return *(int *)(tmp + 2);
1712 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
1716 if check_include "sanitizer/asan_interface.h" ; then
1717 have_asan_iface_h=yes
1721 #include <sanitizer/asan_interface.h>
1723 __sanitizer_start_switch_fiber(0, 0, 0);
1727 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
1728 have_asan_iface_fiber=yes
1732 # Thread sanitizer is, for now, much noisier than the other sanitizers;
1733 # keep it separate until that is not the case.
1734 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
1735 error_exit "TSAN is not supported with other sanitiziers."
1738 have_tsan_iface_fiber=no
1739 if test "$tsan" = "yes" ; then
1741 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
1745 #include <sanitizer/tsan_interface.h>
1747 __tsan_create_fiber(0);
1751 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
1752 have_tsan_iface_fiber=yes
1756 ##########################################
1757 # functions to probe cross compilers
1760 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1761 case $($python "$source_path"/tests/docker/docker.py probe) in
1762 *docker) container=docker ;;
1763 podman) container=podman ;;
1766 if test "$container" != "no"; then
1767 docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1771 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1772 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1773 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1774 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1775 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1776 : ${cross_prefix_armeb="$cross_prefix_arm"}
1777 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1778 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1779 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1780 : ${cross_prefix_i386="i686-linux-gnu-"}
1781 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1782 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1783 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1784 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1785 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1786 : ${cross_prefix_mips="mips-linux-gnu-"}
1787 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1788 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1789 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1790 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1791 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1792 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1793 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1794 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1795 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1796 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1798 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1799 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1800 : ${cross_cc_armeb="$cross_cc_arm"}
1801 : ${cross_cc_cflags_armeb="-mbig-endian"}
1802 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1803 : ${cross_cc_cflags_hexagon="-mv67 -O2 -static"}
1804 : ${cross_cc_cflags_i386="-m32"}
1805 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1806 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1807 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1808 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1809 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1810 : ${cross_cc_sparc="$cross_cc_sparc64"}
1811 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1812 : ${cross_cc_cflags_x86_64="-m64"}
1814 compute_target_variable() {
1816 if eval test -n "\"\${cross_prefix_$1}\""; then
1817 if eval has "\"\${cross_prefix_$1}\$3\""; then
1818 eval "$2=\"\${cross_prefix_$1}\$3\""
1825 case " $target_list " in
1826 *" $i "*) return 0;;
1833 # probe_target_compiler TARGET
1835 # Look for a compiler for the given target, either native or cross.
1836 # Set variables target_* if a compiler is found, and container_cross_*
1837 # if a Docker-based cross-compiler image is known for the target.
1838 # Set got_cross_cc to yes/no depending on whether a non-container-based
1839 # compiler was found.
1841 # If TARGET is a user-mode emulation target, also set build_static to
1842 # "y" if static linking is possible.
1844 probe_target_compiler() {
1845 # reset all output variables
1854 container_cross_objcopy=
1855 container_cross_ranlib=
1856 container_cross_strip=
1858 # We shall skip configuring the target compiler if the user didn't
1859 # bother enabling an appropriate guest. This avoids building
1860 # extraneous firmware images and tests.
1861 if test "${target_list#*$1}" = "$1"; then
1865 target_arch=${1%%-*}
1866 case $target_arch in
1867 aarch64) container_hosts="x86_64 aarch64" ;;
1868 alpha) container_hosts=x86_64 ;;
1869 arm) container_hosts="x86_64 aarch64" ;;
1870 cris) container_hosts=x86_64 ;;
1871 hexagon) container_hosts=x86_64 ;;
1872 hppa) container_hosts=x86_64 ;;
1873 i386) container_hosts=x86_64 ;;
1874 loongarch64) container_hosts=x86_64 ;;
1875 m68k) container_hosts=x86_64 ;;
1876 microblaze) container_hosts=x86_64 ;;
1877 mips64el) container_hosts=x86_64 ;;
1878 mips64) container_hosts=x86_64 ;;
1879 mipsel) container_hosts=x86_64 ;;
1880 mips) container_hosts=x86_64 ;;
1881 nios2) container_hosts=x86_64 ;;
1882 ppc) container_hosts=x86_64 ;;
1883 ppc64|ppc64le) container_hosts=x86_64 ;;
1884 riscv64) container_hosts=x86_64 ;;
1885 s390x) container_hosts=x86_64 ;;
1886 sh4) container_hosts=x86_64 ;;
1887 sparc64) container_hosts=x86_64 ;;
1888 tricore) container_hosts=x86_64 ;;
1889 x86_64) container_hosts="aarch64 ppc64el x86_64" ;;
1890 xtensa*) container_hosts=x86_64 ;;
1893 for host in $container_hosts; do
1894 test "$container" != no || continue
1895 test "$host" = "$cpu" || continue
1896 case $target_arch in
1898 # We don't have any bigendian build tools so we only use this for AArch64
1899 container_image=debian-arm64-cross
1900 container_cross_prefix=aarch64-linux-gnu-
1901 container_cross_cc=${container_cross_prefix}gcc-10
1904 container_image=debian-alpha-cross
1905 container_cross_prefix=alpha-linux-gnu-
1908 # We don't have any bigendian build tools so we only use this for ARM
1909 container_image=debian-armhf-cross
1910 container_cross_prefix=arm-linux-gnueabihf-
1913 container_image=fedora-cris-cross
1914 container_cross_prefix=cris-linux-gnu-
1917 container_image=debian-hexagon-cross
1918 container_cross_prefix=hexagon-unknown-linux-musl-
1919 container_cross_cc=${container_cross_prefix}clang
1922 container_image=debian-hppa-cross
1923 container_cross_prefix=hppa-linux-gnu-
1926 container_image=fedora-i386-cross
1927 container_cross_prefix=
1930 container_image=debian-loongarch-cross
1931 container_cross_prefix=loongarch64-unknown-linux-gnu-
1934 container_image=debian-m68k-cross
1935 container_cross_prefix=m68k-linux-gnu-
1938 container_image=debian-microblaze-cross
1939 container_cross_prefix=microblaze-linux-musl-
1942 container_image=debian-mips64el-cross
1943 container_cross_prefix=mips64el-linux-gnuabi64-
1946 container_image=debian-mips64-cross
1947 container_cross_prefix=mips64-linux-gnuabi64-
1950 container_image=debian-mipsel-cross
1951 container_cross_prefix=mipsel-linux-gnu-
1954 container_image=debian-mips-cross
1955 container_cross_prefix=mips-linux-gnu-
1958 container_image=debian-nios2-cross
1959 container_cross_prefix=nios2-linux-gnu-
1962 container_image=debian-powerpc-test-cross
1963 container_cross_prefix=powerpc-linux-gnu-
1964 container_cross_cc=${container_cross_prefix}gcc-10
1967 container_image=debian-powerpc-test-cross
1968 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1969 container_cross_cc=${container_cross_prefix}gcc-10
1972 container_image=debian-riscv64-test-cross
1973 container_cross_prefix=riscv64-linux-gnu-
1976 container_image=debian-s390x-cross
1977 container_cross_prefix=s390x-linux-gnu-
1980 container_image=debian-sh4-cross
1981 container_cross_prefix=sh4-linux-gnu-
1984 container_image=debian-sparc64-cross
1985 container_cross_prefix=sparc64-linux-gnu-
1988 container_image=debian-tricore-cross
1989 container_cross_prefix=tricore-
1990 container_cross_as=tricore-as
1991 container_cross_ld=tricore-ld
1995 container_image=debian-amd64-cross
1996 container_cross_prefix=x86_64-linux-gnu-
1999 container_hosts=x86_64
2000 container_image=debian-xtensa-cross
2002 # default to the dc232b cpu
2003 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
2006 : ${container_cross_cc:=${container_cross_prefix}gcc}
2007 : ${container_cross_ar:=${container_cross_prefix}ar}
2008 : ${container_cross_as:=${container_cross_prefix}as}
2009 : ${container_cross_ld:=${container_cross_prefix}ld}
2010 : ${container_cross_nm:=${container_cross_prefix}nm}
2011 : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
2012 : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
2013 : ${container_cross_strip:=${container_cross_prefix}strip}
2017 case "$target_arch:$cpu" in
2018 aarch64_be:aarch64 | \
2025 try='native cross' ;;
2027 eval "target_cflags=\${cross_cc_cflags_$target_arch}"
2028 for thistry in $try; do
2037 target_objcopy=$objcopy
2038 target_ranlib=$ranlib
2043 if eval test -n "\"\${cross_cc_$target_arch}\""; then
2044 if eval has "\"\${cross_cc_$target_arch}\""; then
2045 eval "target_cc=\"\${cross_cc_$target_arch}\""
2048 compute_target_variable $target_arch target_cc gcc
2050 target_ccas=$target_cc
2051 compute_target_variable $target_arch target_ar ar
2052 compute_target_variable $target_arch target_as as
2053 compute_target_variable $target_arch target_ld ld
2054 compute_target_variable $target_arch target_nm nm
2055 compute_target_variable $target_arch target_objcopy objcopy
2056 compute_target_variable $target_arch target_ranlib ranlib
2057 compute_target_variable $target_arch target_strip strip
2061 if test -n "$target_cc"; then
2062 case $target_arch in
2064 if $target_cc --version | grep -qi "clang"; then
2069 elif test -n "$target_as" && test -n "$target_ld"; then
2070 # Special handling for assembler only targets
2088 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
2089 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
2095 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
2100 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
2108 if test $got_cross_cc != yes; then
2120 test -n "$target_cc"
2123 write_target_makefile() {
2124 echo "EXTRA_CFLAGS=$target_cflags"
2125 if test -z "$target_cc" && test -z "$target_as"; then
2126 test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
2127 echo "$1: docker-image-$container_image" >> Makefile.prereqs
2128 if test -n "$container_cross_cc"; then
2129 echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
2130 echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
2132 echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
2133 echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
2134 echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
2135 echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
2136 echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
2137 echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
2138 echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
2140 if test -n "$target_cc"; then
2141 echo "CC=$target_cc"
2142 echo "CCAS=$target_ccas"
2144 if test -n "$target_ar"; then
2145 echo "AR=$target_ar"
2147 if test -n "$target_as"; then
2148 echo "AS=$target_as"
2150 if test -n "$target_ld"; then
2151 echo "LD=$target_ld"
2153 if test -n "$target_nm"; then
2154 echo "NM=$target_nm"
2156 if test -n "$target_objcopy"; then
2157 echo "OBJCOPY=$target_objcopy"
2159 if test -n "$target_ranlib"; then
2160 echo "RANLIB=$target_ranlib"
2162 if test -n "$target_strip"; then
2163 echo "STRIP=$target_strip"
2168 ##########################################
2169 # check for vfio_user_server
2171 case "$vfio_user_server" in
2173 if test "$git_submodules_action" != "ignore"; then
2174 git_submodules="${git_submodules} subprojects/libvfio-user"
2179 ##########################################
2181 # After here, no more $cc or $ld runs
2185 if test "$fortify_source" = "yes" ; then
2186 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
2189 if test "$have_asan" = "yes"; then
2190 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
2191 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
2192 if test "$have_asan_iface_h" = "no" ; then
2193 echo "ASAN build enabled, but ASAN header missing." \
2194 "Without code annotation, the report may be inferior."
2195 elif test "$have_asan_iface_fiber" = "no" ; then
2196 echo "ASAN build enabled, but ASAN header is too old." \
2197 "Without code annotation, the report may be inferior."
2200 if test "$have_tsan" = "yes" ; then
2201 if test "$have_tsan_iface_fiber" = "yes" ; then
2202 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
2203 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
2205 error_exit "Cannot enable TSAN due to missing fiber annotation interface."
2207 elif test "$tsan" = "yes" ; then
2208 error_exit "Cannot enable TSAN due to missing sanitize thread interface."
2210 if test "$have_ubsan" = "yes"; then
2211 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
2212 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
2215 #######################################
2216 # cross-compiled firmware targets
2218 # Set up build tree symlinks that point back into the source tree
2219 # (these can be both files and directories).
2220 # Caution: avoid adding files or directories here using wildcards. This
2221 # will result in problems later if a new file matching the wildcard is
2222 # added to the source tree -- nothing will cause configure to be rerun
2223 # so the build tree will be missing the link back to the new file, and
2224 # tests might fail. Prefer to keep the relevant files in their own
2225 # directory and symlink the directory instead.
2227 LINKS="$LINKS pc-bios/optionrom/Makefile"
2228 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
2229 LINKS="$LINKS pc-bios/vof/Makefile"
2230 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
2231 LINKS="$LINKS tests/avocado tests/data"
2232 LINKS="$LINKS tests/qemu-iotests/check"
2233 LINKS="$LINKS python"
2234 LINKS="$LINKS contrib/plugins/Makefile "
2235 for f in $LINKS ; do
2236 if [ -e "$source_path/$f" ]; then
2237 mkdir -p "$(dirname ./"$f")"
2238 symlink "$source_path/$f" "$f"
2242 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
2244 # Mac OS X ships with a broken assembler
2246 if have_target i386-softmmu x86_64-softmmu && \
2247 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
2248 test "$targetos" != "haiku" && \
2249 probe_target_compiler i386-softmmu; then
2250 roms="pc-bios/optionrom"
2251 config_mak=pc-bios/optionrom/config.mak
2252 echo "# Automatically generated by configure - do not modify" > $config_mak
2253 echo "TOPSRC_DIR=$source_path" >> $config_mak
2254 write_target_makefile >> $config_mak
2257 if have_target ppc-softmmu ppc64-softmmu && \
2258 probe_target_compiler ppc-softmmu; then
2259 roms="$roms pc-bios/vof"
2260 config_mak=pc-bios/vof/config.mak
2261 echo "# Automatically generated by configure - do not modify" > $config_mak
2262 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
2263 write_target_makefile >> $config_mak
2266 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
2267 # (which is the lowest architecture level that Clang supports)
2268 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then
2270 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
2272 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
2273 if [ $has_z900 != 0 ]; then
2274 echo "WARNING: Your compiler does not support the z900!"
2275 echo " The s390-ccw bios will only work with guest CPUs >= z10."
2277 roms="$roms pc-bios/s390-ccw"
2278 config_mak=pc-bios/s390-ccw/config-host.mak
2279 echo "# Automatically generated by configure - do not modify" > $config_mak
2280 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
2281 write_target_makefile >> $config_mak
2282 # SLOF is required for building the s390-ccw firmware on s390x,
2283 # since it is using the libnet code from SLOF for network booting.
2284 git_submodules="${git_submodules} roms/SLOF"
2288 #######################################
2289 # generate config-host.mak
2291 if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then
2295 config_host_mak="config-host.mak"
2297 echo "# Automatically generated by configure - do not modify" > $config_host_mak
2298 echo >> $config_host_mak
2300 echo all: >> $config_host_mak
2301 echo "GIT=$git" >> $config_host_mak
2302 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
2303 echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak
2305 if test "$debug_tcg" = "yes" ; then
2306 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
2308 if test "$mingw32" = "yes" ; then
2309 echo "CONFIG_WIN32=y" >> $config_host_mak
2310 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak
2311 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak
2312 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak
2314 echo "CONFIG_POSIX=y" >> $config_host_mak
2317 if test "$linux" = "yes" ; then
2318 echo "CONFIG_LINUX=y" >> $config_host_mak
2321 if test "$darwin" = "yes" ; then
2322 echo "CONFIG_DARWIN=y" >> $config_host_mak
2325 if test "$solaris" = "yes" ; then
2326 echo "CONFIG_SOLARIS=y" >> $config_host_mak
2328 if test "$static" = "yes" ; then
2329 echo "CONFIG_STATIC=y" >> $config_host_mak
2331 echo "SRC_PATH=$source_path" >> $config_host_mak
2332 echo "TARGET_DIRS=$target_list" >> $config_host_mak
2333 if test "$modules" = "yes"; then
2334 echo "CONFIG_MODULES=y" >> $config_host_mak
2337 # XXX: suppress that
2338 if [ "$bsd" = "yes" ] ; then
2339 echo "CONFIG_BSD=y" >> $config_host_mak
2342 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
2344 if test "$have_asan_iface_fiber" = "yes" ; then
2345 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
2348 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
2349 echo "CONFIG_TSAN=y" >> $config_host_mak
2352 if test "$plugins" = "yes" ; then
2353 echo "CONFIG_PLUGIN=y" >> $config_host_mak
2356 if test -n "$gdb_bin"; then
2357 gdb_version=$($gdb_bin --version | head -n 1)
2358 if version_ge ${gdb_version##* } 9.1; then
2359 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
2365 if test "$container" != no; then
2366 echo "ENGINE=$container" >> $config_host_mak
2368 echo "ROMS=$roms" >> $config_host_mak
2369 echo "MAKE=$make" >> $config_host_mak
2370 echo "PYTHON=$python" >> $config_host_mak
2371 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
2372 echo "MESON=$meson" >> $config_host_mak
2373 echo "NINJA=$ninja" >> $config_host_mak
2374 echo "CC=$cc" >> $config_host_mak
2375 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
2376 echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak
2377 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
2378 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
2379 echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak
2380 echo "GLIB_VERSION=$($pkg_config --modversion glib-2.0)" >> $config_host_mak
2381 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
2382 echo "EXESUF=$EXESUF" >> $config_host_mak
2384 # use included Linux headers
2385 if test "$linux" = "yes" ; then
2386 mkdir -p linux-headers
2401 linux_arch=loongarch
2407 # For most CPUs the kernel architecture name and QEMU CPU name match.
2411 # For non-KVM architectures we will not have asm headers
2412 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
2413 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
2417 for target in $target_list; do
2418 target_dir="$target"
2419 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
2420 mkdir -p "$target_dir"
2422 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
2423 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
2427 if test "$default_targets" = "yes"; then
2428 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
2431 if test "$ccache_cpp2" = "yes"; then
2432 echo "export CCACHE_CPP2=y" >> $config_host_mak
2435 if test "$safe_stack" = "yes"; then
2436 echo "CONFIG_SAFESTACK=y" >> $config_host_mak
2439 # tests/tcg configuration
2440 (config_host_mak=tests/tcg/config-host.mak
2442 echo "# Automatically generated by configure - do not modify" > $config_host_mak
2443 echo "SRC_PATH=$source_path" >> $config_host_mak
2444 echo "HOST_CC=$host_cc" >> $config_host_mak
2446 # versioned checked in the main config_host.mak above
2447 if test -n "$gdb_bin"; then
2448 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
2450 if test "$plugins" = "yes" ; then
2451 echo "CONFIG_PLUGIN=y" >> $config_host_mak
2455 for target in $target_list; do
2460 # the toolchain is not complete with headers, only build softmmu tests
2464 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
2465 qemu="qemu-system-$arch"
2467 *-linux-user|*-bsd-user)
2472 if probe_target_compiler $target || test -n "$container_image"; then
2473 test -n "$container_image" && build_static=y
2474 mkdir -p "tests/tcg/$target"
2475 config_target_mak=tests/tcg/$target/config-target.mak
2476 ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
2477 echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
2478 echo "TARGET_NAME=$arch" >> "$config_target_mak"
2479 echo "TARGET=$target" >> "$config_target_mak"
2480 write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
2481 echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
2482 echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
2483 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
2484 tcg_tests_targets="$tcg_tests_targets $target"
2488 if test "$tcg" = "enabled"; then
2489 echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
2493 if test "$skip_meson" = no; then
2494 cross="config-meson.cross.new"
2496 test $# = 0 && return
2497 echo "'$(echo $* | sed "s/ /','/g")'"
2500 echo "# Automatically generated by configure - do not modify" > $cross
2501 echo "[properties]" >> $cross
2503 # unroll any custom device configs
2504 for a in $device_archs; do
2505 eval "c=\$devices_${a}"
2506 echo "${a}-softmmu = '$c'" >> $cross
2509 echo "[built-in options]" >> $cross
2510 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
2511 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
2512 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
2513 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
2514 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
2515 echo "[binaries]" >> $cross
2516 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
2517 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
2518 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
2519 echo "ar = [$(meson_quote $ar)]" >> $cross
2520 echo "nm = [$(meson_quote $nm)]" >> $cross
2521 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross
2522 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
2523 if has $sdl2_config; then
2524 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
2526 echo "strip = [$(meson_quote $strip)]" >> $cross
2527 echo "widl = [$(meson_quote $widl)]" >> $cross
2528 echo "windres = [$(meson_quote $windres)]" >> $cross
2529 echo "windmc = [$(meson_quote $windmc)]" >> $cross
2530 if test "$cross_compile" = "yes"; then
2531 cross_arg="--cross-file config-meson.cross"
2532 echo "[host_machine]" >> $cross
2533 echo "system = '$targetos'" >> $cross
2536 echo "cpu_family = 'x86'" >> $cross
2539 echo "cpu_family = '$cpu'" >> $cross
2542 echo "cpu = '$cpu'" >> $cross
2543 if test "$bigendian" = "yes" ; then
2544 echo "endian = 'big'" >> $cross
2546 echo "endian = 'little'" >> $cross
2549 cross_arg="--native-file config-meson.cross"
2551 mv $cross config-meson.cross
2553 rm -rf meson-private meson-info meson-logs
2556 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
2557 test "$default_feature" = no && meson_option_add -Dauto_features=disabled
2558 test "$pie" = no && meson_option_add -Db_pie=false
2559 test "$werror" = yes && meson_option_add -Dwerror=true
2562 test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
2563 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt"
2564 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
2565 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
2566 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
2567 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
2568 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server"
2570 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
2572 eval run_meson $meson_options
2573 if test "$?" -ne 0 ; then
2574 error_exit "meson setup failed"
2578 # Save the configure command line for later reuse.
2579 cat <<EOD >config.status
2581 # Generated by configure.
2582 # Run this file to recreate the current configuration.
2583 # Compiler output produced by configure, useful for debugging
2584 # configure, is in config.log if it exists.
2590 eval envval=\$$envname
2592 if test -n "$envval"
2594 echo "$envname='$envval'" >> config.status
2595 echo "export $envname" >> config.status
2597 echo "unset $envname" >> config.status
2601 # Preserve various env variables that influence what
2602 # features/build target configure will detect
2608 preserve_env CXXFLAGS
2610 preserve_env LDFLAGS
2611 preserve_env LD_LIBRARY_PATH
2614 preserve_env OBJCFLAGS
2615 preserve_env OBJCOPY
2617 preserve_env PKG_CONFIG
2618 preserve_env PKG_CONFIG_LIBDIR
2619 preserve_env PKG_CONFIG_PATH
2621 preserve_env QEMU_GA_MANUFACTURER
2622 preserve_env QEMU_GA_DISTRO
2623 preserve_env QEMU_GA_VERSION
2624 preserve_env SDL2_CONFIG
2628 preserve_env WINDRES
2631 printf "exec" >>config.status
2632 for i in "$0" "$@"; do
2633 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
2635 echo ' "$@"' >>config.status
2636 chmod +x config.status