3 # qemu configure script (c) 2003 Fabrice Bellard
6 # Unset some variables known to interfere with behavior of common tools,
7 # just as autoconf does.
8 CLICOLOR_FORCE= GREP_OPTIONS=
9 unset CLICOLOR_FORCE GREP_OPTIONS
11 # Don't allow CCACHE, if present, to use cached results of compile tests!
12 export CCACHE_RECACHE=yes
14 # make source path absolute
15 source_path=$(cd "$(dirname -- "$0")"; pwd)
17 if test "$PWD" = "$source_path"
19 echo "Using './build' as the directory for build output"
21 MARKER=build/auto-created-by-configure
29 echo "ERROR: ./build dir already exists and was not previously created by configure"
37 cat > GNUmakefile <<'EOF'
38 # This file is auto-generated by configure to support in-source tree
39 # 'make' command invocation
41 ifeq ($(MAKECMDGOALS),)
47 @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
48 @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
49 @if test "$(MAKECMDGOALS)" = "distclean" && \
50 test -e build/auto-created-by-configure ; \
52 rm -rf build GNUmakefile ; \
60 exec $source_path/configure "$@"
63 # Temporary directory used for files created while
64 # configure runs. Since it is in the build directory
65 # we can safely blow away any previous version of it
66 # (and we need not jump through hoops to try to delete
67 # it when configure exits.)
72 echo "ERROR: failed to create temporary directory"
77 TMPC="${TMPDIR1}/${TMPB}.c"
78 TMPO="${TMPDIR1}/${TMPB}.o"
79 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
80 TMPM="${TMPDIR1}/${TMPB}.m"
81 TMPE="${TMPDIR1}/${TMPB}.exe"
85 # Print a helpful header at the top of config.log
86 echo "# QEMU configure log $(date)" >> config.log
87 printf "# Configured with:" >> config.log
88 printf " '%s'" "$0" "$@" >> config.log
90 echo "#" >> config.log
93 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
99 while test -n "$2"; do
112 # Run the compiler, capturing its output to the log. First argument
113 # is compiler binary to execute.
116 if test -n "$BASH_VERSION"; then eval '
118 funcs: ${FUNCNAME[*]}
119 lines: ${BASH_LINENO[*]}"
121 echo $compiler "$@" >> config.log
122 $compiler "$@" >> config.log 2>&1 || return $?
125 do_compiler_werror() {
126 # Run the compiler, capturing its output to the log. First argument
127 # is compiler binary to execute.
130 if test -n "$BASH_VERSION"; then eval '
132 funcs: ${FUNCNAME[*]}
133 lines: ${BASH_LINENO[*]}"
135 echo $compiler "$@" >> config.log
136 $compiler "$@" >> config.log 2>&1 || return $?
137 # Test passed. If this is an --enable-werror build, rerun
138 # the test with -Werror and bail out if it fails. This
139 # makes warning-generating-errors in configure test code
140 # obvious to developers.
141 if test "$werror" != "yes"; then
144 # Don't bother rerunning the compile if we were already using -Werror
150 echo $compiler -Werror "$@" >> config.log
151 $compiler -Werror "$@" >> config.log 2>&1 && return $?
152 error_exit "configure test passed without -Werror but failed with -Werror." \
153 "This is probably a bug in the configure script. The failing command" \
154 "will be at the bottom of config.log." \
155 "You can run configure with --disable-werror to bypass this check."
159 do_compiler_werror "$cc" $CPU_CFLAGS "$@"
163 do_compiler_werror "$cxx" $CPU_CFLAGS "$@"
167 do_compiler_werror "$objcc" $CPU_CFLAGS "$@"
170 # Append $2 to the variable named $1, with space separation
172 eval $1=\${$1:+\"\$$1 \"}\$2
176 # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
177 # options which some versions of GCC's C++ compiler complain about
178 # because they only make sense for C programs.
179 QEMU_CXXFLAGS="-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
180 CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu11/-std=gnu++11/)
181 for arg in $QEMU_CFLAGS; do
183 -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
184 -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
187 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
195 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
201 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \
202 $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags
205 # symbolically link $1 to $2. Portable version of "ln -sf".
208 mkdir -p "$(dirname "$2")"
212 # check whether a command is available to this shell (may be either an
213 # executable or a builtin)
215 type "$1" >/dev/null 2>&1
219 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
220 local_ver2=$(echo "$2" | tr . ' ')
224 # 'shift 2' if $2 is set, or 'shift' if $2 is not set
228 # the second argument finished, the first must be greater or equal
229 test $# = 1 && return 0
230 test $local_first -lt $2 && return 1
231 test $local_first -gt $2 && return 0
238 eval test -z '"${1#'"$2"'}"'
241 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
243 error_exit "main directory cannot contain spaces nor colons"
255 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
257 if test -e "$source_path/.git"
259 git_submodules_action="update"
261 git_submodules_action="ignore"
264 git_submodules="ui/keycodemapdb"
267 # Don't accept a target_list environment variable.
269 unset target_list_exclude
271 # Default value for a variable defining feature "foo".
272 # * foo="no" feature will only be used if --enable-foo arg is given
273 # * foo="" feature will be searched for, and if found, will be used
274 # unless --disable-foo is given
275 # * foo="yes" this value will only be set by --enable-foo flag.
276 # feature will searched for,
277 # if not found, configure exits with error
279 # Always add --enable-foo and --disable-foo command line args.
280 # Distributions want to ensure that several features are compiled in, and it
281 # is impossible without a --enable-foo that exits if a feature is not found.
284 # parse CC options second
286 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
288 --without-default-features)
312 plugins="$default_feature"
317 vfio_user_server="disabled"
319 # The following Meson options are handled manually (still they
320 # are included in the automatically generated help message)
322 # 1. Track which submodules are needed
323 if test "$default_feature" = no ; then
330 # 2. Automatically enable/disable other options
334 # parse CC options second
336 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
338 --cross-prefix=*) cross_prefix="$optarg"
343 --cxx=*) CXX="$optarg"
345 --cpu=*) cpu="$optarg"
348 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
349 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
350 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
352 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
354 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
356 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
358 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
360 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
361 eval "cross_cc_cflags_${cc_arch}=\$optarg"
363 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
364 eval "cross_cc_${cc_arch}=\$optarg"
366 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
368 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
369 eval "cross_prefix_${cc_arch}=\$optarg"
374 # Using uname is really, really broken. Once we have the right set of checks
375 # we can eliminate its usage altogether.
377 # Preferred compiler:
379 # ${cross_prefix}gcc (if cross-prefix specified)
381 if test -z "${CC}${cross_prefix}"; then
384 cc="${CC-${cross_prefix}gcc}"
387 if test -z "${CXX}${cross_prefix}"; then
390 cxx="${CXX-${cross_prefix}g++}"
393 ar="${AR-${cross_prefix}ar}"
394 as="${AS-${cross_prefix}as}"
396 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
397 ld="${LD-${cross_prefix}ld}"
398 ranlib="${RANLIB-${cross_prefix}ranlib}"
399 nm="${NM-${cross_prefix}nm}"
401 strip="${STRIP-${cross_prefix}strip}"
402 widl="${WIDL-${cross_prefix}widl}"
403 windres="${WINDRES-${cross_prefix}windres}"
404 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
406 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
408 pkg_config=query_pkg_config
409 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
411 # default flags for all hosts
412 # We use -fwrapv to tell the compiler that we require a C dialect where
413 # left shift of signed integers is well defined and has the expected
414 # 2s-complement style results. (Both clang and gcc agree that it
415 # provides these semantics.)
416 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv"
417 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
418 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
419 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
423 # Flags that are needed during configure but later taken care of by Meson
424 CONFIGURE_CFLAGS="-std=gnu11 -Wall"
431 #error $1 not defined
433 int main(void) { return 0; }
441 int main(void) { return 0; }
448 int main(void) { return 0; }
452 if check_define __linux__ ; then
454 elif check_define _WIN32 ; then
456 elif check_define __OpenBSD__ ; then
458 elif check_define __sun__ ; then
460 elif check_define __HAIKU__ ; then
462 elif check_define __FreeBSD__ ; then
464 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
465 targetos=gnu/kfreebsd
466 elif check_define __DragonFly__ ; then
468 elif check_define __NetBSD__; then
470 elif check_define __APPLE__; then
473 # This is a fatal error, but don't report it yet, because we
474 # might be going to just print the --help text, or it might
475 # be the result of a missing compiler.
497 # needed for kinfo_getvmmap(3) in libutil.h
514 # Disable attempts to use ObjectiveC features in os/object.h since they
515 # won't work when we're compiling with gcc as a C compiler.
516 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
521 # needed for CMSG_ macros in sys/socket.h
522 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
523 # needed for TIOCWIN* defines in termios.h
524 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
525 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
526 # Note that this check is broken for cross-compilation: if you're
527 # cross-compiling to one of these OSes then you'll need to specify
528 # the correct CPU with the --cpu option.
529 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
535 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS"
542 if test ! -z "$cpu" ; then
543 # command line argument
545 elif check_define __i386__ ; then
547 elif check_define __x86_64__ ; then
548 if check_define __ILP32__ ; then
553 elif check_define __sparc__ ; then
554 if check_define __arch64__ ; then
559 elif check_define _ARCH_PPC ; then
560 if check_define _ARCH_PPC64 ; then
561 if check_define _LITTLE_ENDIAN ; then
569 elif check_define __mips__ ; then
571 elif check_define __s390__ ; then
572 if check_define __s390x__ ; then
577 elif check_define __riscv ; then
579 elif check_define __arm__ ; then
581 elif check_define __aarch64__ ; then
583 elif check_define __loongarch64 ; then
589 # Normalise host CPU name, set multilib cflags
590 # Note that this case should only have supported host CPUs, not guests.
595 i386|i486|i586|i686|i86pc|BePC)
600 CPU_CFLAGS="-mx32" ;;
603 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
604 # If we truly care, we should simply detect this case at
605 # runtime and generate the fallback to serial emulation.
606 CPU_CFLAGS="-m64 -mcx16" ;;
614 CPU_CFLAGS="-m64 -mbig-endian" ;;
617 CPU_CFLAGS="-m64 -mlittle-endian" ;;
626 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;;
628 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;;
631 : ${make=${MAKE-make}}
633 # We prefer python 3.x. A bare 'python' is traditionally
634 # python 2.x, but some distros have it as python 3.x, so
638 for binary in "${PYTHON-python3}" python
642 python=$(command -v "$binary")
648 # Check for ancillary tools used in testing
650 for binary in genisoimage mkisofs
654 genisoimage=$(command -v "$binary")
659 # Default objcc to clang if available, otherwise use CC
666 if test "$mingw32" = "yes" ; then
668 # MinGW needs -mthreads for TLS and macro _MT.
669 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
678 meson_option_build_array() {
680 (if test "$targetos" = windows; then
687 # backslash escape any '\' and '"' characters
688 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
694 . $source_path/scripts/meson-buildoptions.sh
698 meson_options="$meson_options $(quote_sh "$1")"
700 meson_option_parse() {
701 meson_options="$meson_options $(_meson_option_parse "$@")"
702 if test $? -eq 1; then
703 echo "ERROR: unknown option $1"
704 echo "Try '$0 --help' for more information"
710 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
712 --help|-h) show_help=yes
714 --version|-V) exec cat $source_path/VERSION
716 --prefix=*) prefix="$optarg"
722 --host-cc=*) host_cc="$optarg"
726 --objcc=*) objcc="$optarg"
728 --make=*) make="$optarg"
732 --python=*) python="$optarg" ; explicit_python=yes
734 --skip-meson) skip_meson=yes
736 --meson=*) meson="$optarg"
738 --ninja=*) ninja="$optarg"
740 --smbd=*) smbd="$optarg"
754 --enable-debug-info) meson_option_add -Ddebug=true
756 --disable-debug-info) meson_option_add -Ddebug=false
766 --target-list=*) target_list="$optarg"
767 if test "$target_list_exclude"; then
768 error_exit "Can't mix --target-list with --target-list-exclude"
771 --target-list-exclude=*) target_list_exclude="$optarg"
772 if test "$target_list"; then
773 error_exit "Can't mix --target-list-exclude with --target-list"
776 --with-default-devices) meson_option_add -Ddefault_devices=true
778 --without-default-devices) meson_option_add -Ddefault_devices=false
780 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
782 --with-devices-*) device_arch=${opt#--with-devices-};
783 device_arch=${device_arch%%=*}
784 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
785 if test -f "$cf"; then
786 device_archs="$device_archs $device_arch"
787 eval "devices_${device_arch}=\$optarg"
789 error_exit "File $cf does not exist"
792 --without-default-features) # processed above
796 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
798 --bindir=*) bindir="$optarg"
800 --with-suffix=*) qemu_suffix="$optarg"
803 --disable-dependency-tracking|\
804 --sbindir=*|--sharedstatedir=*|\
805 --oldincludedir=*|--datarootdir=*|--infodir=*|\
806 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
807 # These switches are silently ignored, for compatibility with
808 # autoconf-generated configure scripts. This allows QEMU's
809 # configure to be used by RPM and similar macros that set
810 # lots of directory switches by default.
812 --enable-debug-tcg) debug_tcg="yes"
814 --disable-debug-tcg) debug_tcg="no"
817 # Enable debugging options that aren't excessively noisy
819 meson_option_parse --enable-debug-mutex ""
820 meson_option_add -Doptimization=0
823 --enable-sanitizers) sanitizers="yes"
825 --disable-sanitizers) sanitizers="no"
827 --enable-tsan) tsan="yes"
829 --disable-tsan) tsan="no"
831 --disable-slirp) slirp="disabled"
833 --enable-slirp) slirp="enabled"
835 --enable-slirp=git) slirp="internal"
837 --enable-slirp=*) slirp="$optarg"
839 --disable-tcg) tcg="disabled"
842 --enable-tcg) tcg="enabled"
844 --disable-system) softmmu="no"
846 --enable-system) softmmu="yes"
853 --disable-linux-user) linux_user="no"
855 --enable-linux-user) linux_user="yes"
857 --disable-bsd-user) bsd_user="no"
859 --enable-bsd-user) bsd_user="yes"
861 --enable-pie) pie="yes"
863 --disable-pie) pie="no"
865 --enable-werror) werror="yes"
867 --disable-werror) werror="no"
869 --enable-stack-protector) stack_protector="yes"
871 --disable-stack-protector) stack_protector="no"
873 --enable-safe-stack) safe_stack="yes"
875 --disable-safe-stack) safe_stack="no"
879 meson_option_add -Db_lto=true
881 --disable-cfi) cfi="false"
883 --disable-fdt) fdt="disabled"
885 --enable-fdt) fdt="enabled"
887 --enable-fdt=git) fdt="internal"
889 --enable-fdt=*) fdt="$optarg"
891 --with-coroutine=*) coroutine="$optarg"
895 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
896 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
898 --enable-vhdx|--disable-vhdx)
899 echo "$0: $opt is obsolete, VHDX driver is always built" >&2
901 --enable-uuid|--disable-uuid)
902 echo "$0: $opt is obsolete, UUID support is always built" >&2
904 --with-git=*) git="$optarg"
906 --with-git-submodules=*)
907 git_submodules_action="$optarg"
909 --enable-plugins) if test "$mingw32" = "yes"; then
910 error_exit "TCG plugins not currently supported on Windows platforms"
915 --disable-plugins) plugins="no"
917 --enable-containers) use_containers="yes"
919 --disable-containers) use_containers="no"
921 --gdb=*) gdb_bin="$optarg"
923 # backwards compatibility options
924 --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg"
926 --disable-blobs) meson_option_parse --disable-install-blobs ""
928 --enable-vfio-user-server) vfio_user_server="enabled"
930 --disable-vfio-user-server) vfio_user_server="disabled"
932 --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc
934 --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc
936 # everything else has the same name in configure and meson
937 --*) meson_option_parse "$opt" "$optarg"
942 # test for any invalid configuration combinations
943 if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
944 error_exit "Can't enable plugins on non-TCG builds"
947 case $git_submodules_action in
949 if test ! -e "$source_path/.git"; then
950 echo "ERROR: cannot $git_submodules_action git submodules without .git"
955 if ! test -f "$source_path/ui/keycodemapdb/README"
958 echo "ERROR: missing GIT submodules"
960 if test -e "$source_path/.git"; then
961 echo "--with-git-submodules=ignore specified but submodules were not"
962 echo "checked out. Please initialize and update submodules."
964 echo "This is not a GIT checkout but module content appears to"
965 echo "be missing. Do not use 'git archive' or GitHub download links"
966 echo "to acquire QEMU source archives. Non-GIT builds are only"
967 echo "supported with source archives linked from:"
969 echo " https://www.qemu.org/download/#source"
971 echo "Developers working with GIT can use scripts/archive-source.sh"
972 echo "if they need to create valid source archives."
979 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'"
984 default_target_list=""
987 if [ "$linux_user" != no ]; then
988 if [ "$targetos" = linux ] && [ -d $source_path/linux-user/include/host/$cpu ]; then
990 elif [ "$linux_user" = yes ]; then
991 error_exit "linux-user not supported on this architecture"
994 if [ "$bsd_user" != no ]; then
995 if [ "$bsd_user" = "" ]; then
996 test $targetos = freebsd && bsd_user=yes
998 if [ "$bsd_user" = yes ] && ! [ -d $source_path/bsd-user/$targetos ]; then
999 error_exit "bsd-user not supported on this host OS"
1002 if [ "$softmmu" = "yes" ]; then
1003 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
1005 if [ "$linux_user" = "yes" ]; then
1006 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
1008 if [ "$bsd_user" = "yes" ]; then
1009 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
1012 for config in $mak_wilds; do
1013 target="$(basename "$config" .mak)"
1014 if echo "$target_list_exclude" | grep -vq "$target"; then
1015 default_target_list="${default_target_list} $target"
1019 if test x"$show_help" = x"yes" ; then
1022 Usage: configure [options]
1023 Options: [defaults in brackets after descriptions]
1026 --help print this message
1027 --prefix=PREFIX install in PREFIX [$prefix]
1028 --target-list=LIST set target list (default: build all)
1029 $(echo Available targets: $default_target_list | \
1030 fold -s -w 53 | sed -e 's/^/ /')
1031 --target-list-exclude=LIST exclude a set of targets from the default target-list
1033 Advanced options (experts only):
1034 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
1035 --cc=CC use C compiler CC [$cc]
1036 --host-cc=CC use C compiler CC [$host_cc] for code run at
1038 --cxx=CXX use C++ compiler CXX [$cxx]
1039 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
1040 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS
1041 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
1042 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
1043 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
1044 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
1045 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests
1046 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
1047 --make=MAKE use specified make [$make]
1048 --python=PYTHON use specified python [$python]
1049 --meson=MESON use specified meson [$meson]
1050 --ninja=NINJA use specified ninja [$ninja]
1051 --smbd=SMBD use specified smbd [$smbd]
1052 --with-git=GIT use specified git [$git]
1053 --with-git-submodules=update update git submodules (default if .git dir exists)
1054 --with-git-submodules=validate fail if git submodules are not up to date
1055 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir)
1056 --static enable static build [$static]
1057 --bindir=PATH install binaries in PATH
1058 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
1059 --without-default-features default all --enable-* options to "disabled"
1060 --without-default-devices do not include any device that is not needed to
1061 start the emulator (only use if you are including
1062 desired devices in configs/devices/)
1063 --with-devices-ARCH=NAME override default configs/devices
1064 --enable-debug enable common debug build options
1065 --enable-sanitizers enable default sanitizers
1066 --enable-tsan enable thread sanitizer
1067 --disable-werror disable compilation abort on warning
1068 --disable-stack-protector disable compiler-provided stack protection
1069 --cpu=CPU Build for host CPU [$cpu]
1070 --with-coroutine=BACKEND coroutine backend. Supported options:
1071 ucontext, sigaltstack, windows
1073 enable plugins via shared library loading
1074 --disable-containers don't use containers for cross-building
1075 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
1079 system all system emulation targets
1080 user supported user emulation targets
1081 linux-user all linux usermode emulation targets
1082 bsd-user all BSD usermode emulation targets
1083 pie Position Independent Executables
1084 modules modules support (non-Windows)
1085 debug-tcg TCG debugging (default is disabled)
1086 debug-info debugging information
1087 safe-stack SafeStack Stack Smash Protection. Depends on
1088 clang/llvm >= 3.7 and requires coroutine backend ucontext.
1090 NOTE: The object files are built at the place where configure is launched
1095 # Remove old dependency files to make sure that they get properly regenerated
1096 rm -f */config-devices.mak.d
1098 if test -z "$python"
1100 error_exit "Python not found. Use --python=/path/to/python"
1104 error_exit "GNU make ($make) not found"
1107 # Note that if the Python conditional here evaluates True we will exit
1108 # with status 1 which is a shell 'false' value.
1109 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
1110 error_exit "Cannot use '$python', Python >= 3.6 is required." \
1111 "Use --python=/path/to/python to specify a supported Python."
1114 # Suppress writing compiled files
1117 if test -z "$meson"; then
1118 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.59.3; then
1120 elif test $git_submodules_action != 'ignore' ; then
1122 elif test -e "${source_path}/meson/meson.py" ; then
1125 if test "$explicit_python" = yes; then
1126 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1128 error_exit "Meson not found. Use --meson=/path/to/meson"
1132 # Meson uses its own Python interpreter to invoke other Python scripts,
1133 # but the user wants to use the one they specified with --python.
1135 # We do not want to override the distro Python interpreter (and sometimes
1136 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1137 # just require --meson=git|internal together with --python.
1138 if test "$explicit_python" = yes; then
1141 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1146 if test "$meson" = git; then
1147 git_submodules="${git_submodules} meson"
1152 meson="$python ${source_path}/meson/meson.py"
1154 *) meson=$(command -v "$meson") ;;
1159 if test -z "$ninja"; then
1160 for c in ninja ninja-build samu; do
1162 ninja=$(command -v "$c")
1166 if test -z "$ninja"; then
1167 error_exit "Cannot find Ninja"
1171 # Check that the C compiler works. Doing this here before testing
1172 # the host CPU ensures that we had a valid CC to autodetect the
1173 # $cpu var (and we should bail right here if that's not the case).
1174 # It also allows the help message to be printed without a CC.
1176 if compile_object ; then
1177 : C compiler works ok
1179 error_exit "\"$cc\" either does not exist or does not work"
1181 if ! compile_prog ; then
1182 error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1185 # Consult white-list to determine whether to enable werror
1186 # by default. Only enable by default for git builds
1187 if test -z "$werror" ; then
1188 if test "$git_submodules_action" != "ignore" && \
1189 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1196 if test "$targetos" = "bogus"; then
1197 # Now that we know that we're not printing the help and that
1198 # the compiler works (so the results of the check_defines we used
1199 # to identify the OS are reliable), if we didn't recognize the
1200 # host OS we should stop now.
1201 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1204 # Check whether the compiler matches our minimum requirements:
1206 #if defined(__clang_major__) && defined(__clang_minor__)
1207 # ifdef __apple_build_version__
1208 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
1209 # error You need at least XCode Clang v10.0 to compile QEMU
1212 # if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0)
1213 # error You need at least Clang v6.0 to compile QEMU
1216 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1217 # if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4)
1218 # error You need at least GCC v7.4.0 to compile QEMU
1221 # error You either need GCC or Clang to compiler QEMU
1223 int main (void) { return 0; }
1225 if ! compile_prog "" "" ; then
1226 error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)"
1229 # Accumulate -Wfoo and -Wno-bar separately.
1230 # We will list all of the enable flags first, and the disable flags second.
1231 # Note that we do not add -Werror, because that would enable it for all
1232 # configure tests. If a configure test failed due to -Werror this would
1233 # just silently disable some features, so it's too error prone.
1236 add_to warn_flags -Wold-style-declaration
1237 add_to warn_flags -Wold-style-definition
1238 add_to warn_flags -Wtype-limits
1239 add_to warn_flags -Wformat-security
1240 add_to warn_flags -Wformat-y2k
1241 add_to warn_flags -Winit-self
1242 add_to warn_flags -Wignored-qualifiers
1243 add_to warn_flags -Wempty-body
1244 add_to warn_flags -Wnested-externs
1245 add_to warn_flags -Wendif-labels
1246 add_to warn_flags -Wexpansion-to-defined
1247 add_to warn_flags -Wimplicit-fallthrough=2
1250 add_to nowarn_flags -Wno-initializer-overrides
1251 add_to nowarn_flags -Wno-missing-include-dirs
1252 add_to nowarn_flags -Wno-shift-negative-value
1253 add_to nowarn_flags -Wno-string-plus-int
1254 add_to nowarn_flags -Wno-typedef-redefinition
1255 add_to nowarn_flags -Wno-tautological-type-limit-compare
1256 add_to nowarn_flags -Wno-psabi
1258 gcc_flags="$warn_flags $nowarn_flags"
1260 cc_has_warning_flag() {
1263 # Use the positive sense of the flag when testing for -Wno-wombat
1264 # support (gcc will happily accept the -Wno- form of unknown
1266 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1267 compile_prog "-Werror $optflag" ""
1270 objcc_has_warning_flag() {
1272 int main(void) { return 0; }
1275 # Use the positive sense of the flag when testing for -Wno-wombat
1276 # support (gcc will happily accept the -Wno- form of unknown
1278 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1279 do_objc -Werror $optflag \
1280 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \
1281 -o $TMPE $TMPM $QEMU_LDFLAGS
1284 for flag in $gcc_flags; do
1285 if cc_has_warning_flag $flag ; then
1286 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1288 if objcc_has_warning_flag $flag ; then
1289 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag"
1293 if test "$stack_protector" != "no"; then
1295 int main(int argc, char *argv[])
1297 char arr[64], *p = arr, *c = argv[0];
1304 gcc_flags="-fstack-protector-strong -fstack-protector-all"
1306 for flag in $gcc_flags; do
1307 # We need to check both a compile and a link, since some compiler
1308 # setups fail only on a .c->.o compile and some only at link time
1309 if compile_object "-Werror $flag" &&
1310 compile_prog "-Werror $flag" ""; then
1311 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1312 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1317 if test "$stack_protector" = yes; then
1318 if test $sp_on = 0; then
1319 error_exit "Stack protector not supported"
1324 # Disable -Wmissing-braces on older compilers that warn even for
1325 # the "universal" C zero initializer {0}.
1331 if compile_object "-Werror" "" ; then
1334 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1337 # Our module code doesn't support Windows
1338 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
1339 error_exit "Modules are not available for Windows"
1342 # Static linking is not possible with plugins, modules or PIE
1343 if test "$static" = "yes" ; then
1344 if test "$modules" = "yes" ; then
1345 error_exit "static and modules are mutually incompatible"
1347 if test "$plugins" = "yes"; then
1348 error_exit "static and plugins are mutually incompatible"
1353 test "$plugins" = "" && plugins=yes
1358 # define THREAD __thread
1362 static THREAD int tls_var;
1363 int main(void) { return tls_var; }
1366 if test "$static" = "yes"; then
1367 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1368 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
1369 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
1371 elif test "$pie" = "yes"; then
1372 error_exit "-static-pie not available due to missing toolchain support"
1374 QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
1377 elif test "$pie" = "no"; then
1378 if compile_prog "-Werror -fno-pie" "-no-pie"; then
1379 CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS"
1380 CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS"
1381 # Meson currently only handles pie as a boolean for now so if we have
1382 # explicitly disabled PIE we need to extend our cflags because it wont.
1383 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS"
1385 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1386 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
1387 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
1389 elif test "$pie" = "yes"; then
1390 error_exit "PIE not available due to missing toolchain support"
1392 echo "Disabling PIE due to missing toolchain support"
1396 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
1397 # The combination is known as "full relro", because .got.plt is read-only too.
1398 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1399 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
1402 ##########################################
1403 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1404 # use i686 as default anyway, but for those that don't, an explicit
1405 # specification is necessary
1407 if test "$cpu" = "i386"; then
1409 static int sfaa(int *ptr)
1411 return __sync_fetch_and_and(ptr, 0);
1417 val = __sync_val_compare_and_swap(&val, 0, 1);
1422 if ! compile_prog "" "" ; then
1423 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1427 if test -z "${target_list+xxx}" ; then
1429 for target in $default_target_list; do
1430 target_list="$target_list $target"
1432 target_list="${target_list# }"
1435 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1436 for target in $target_list; do
1437 # Check that we recognised the target name; this allows a more
1438 # friendly error message than if we let it fall through.
1439 case " $default_target_list " in
1443 error_exit "Unknown target name '$target'"
1449 # see if system emulation was really requested
1450 case " $target_list " in
1451 *"-softmmu "*) softmmu=yes
1457 if test "$tcg" = "auto"; then
1458 if test -z "$target_list"; then
1465 if test "$tcg" = "enabled"; then
1466 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
1467 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
1471 # big/little endian test
1474 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1475 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
1476 int main(int argc, char *argv[])
1478 return printf("%s %s\n", (char *)big_endian, (char *)little_endian);
1482 if compile_prog ; then
1483 if strings -a $TMPE | grep -q BiGeNdIaN ; then
1485 elif strings -a $TMPE | grep -q LiTtLeEnDiAn ; then
1488 echo big/little test failed
1492 echo big/little test failed
1496 ##########################################
1499 if ! has "$pkg_config_exe"; then
1500 error_exit "pkg-config binary '$pkg_config_exe' not found"
1503 ##########################################
1504 # glib support probe
1506 # When bumping glib_req_ver, please check also whether we should increase
1507 # the _WIN32_WINNT setting in osdep.h according to the value from glib
1509 glib_modules=gthread-2.0
1510 if test "$modules" = yes; then
1511 glib_modules="$glib_modules gmodule-export-2.0"
1512 elif test "$plugins" = "yes"; then
1513 glib_modules="$glib_modules gmodule-no-export-2.0"
1516 for i in $glib_modules; do
1517 if $pkg_config --atleast-version=$glib_req_ver $i; then
1518 glib_cflags=$($pkg_config --cflags $i)
1519 glib_libs=$($pkg_config --libs $i)
1521 error_exit "glib-$glib_req_ver $i is required to compile QEMU"
1525 glib_bindir="$($pkg_config --variable=bindir glib-2.0)"
1526 if test -z "$glib_bindir" ; then
1527 glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin
1530 # This workaround is required due to a bug in pkg-config file for glib as it
1531 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
1533 if test "$static" = yes && test "$mingw32" = yes; then
1534 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
1537 # Sanity check that the current size_t matches the
1538 # size that glib thinks it should be. This catches
1539 # problems on multi-arch where people try to build
1540 # 32-bit QEMU while pointing at 64-bit glib headers
1545 #define QEMU_BUILD_BUG_ON(x) \
1546 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
1549 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
1554 if ! compile_prog "$glib_cflags" "$glib_libs" ; then
1555 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
1556 "You probably need to set PKG_CONFIG_LIBDIR"\
1557 "to point to the right pkg-config files for your"\
1561 # Silence clang warnings triggered by glib < 2.57.2
1564 typedef struct Foo {
1567 static void foo_free(Foo *f)
1571 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
1572 int main(void) { return 0; }
1574 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
1575 if cc_has_warning_flag "-Wno-unused-function"; then
1576 glib_cflags="$glib_cflags -Wno-unused-function"
1577 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
1581 ##########################################
1585 auto | enabled | internal)
1586 # Simpler to always update submodule, even if not needed.
1587 git_submodules="${git_submodules} dtc"
1591 ##########################################
1592 # check and set a backend for coroutine
1594 # We prefer ucontext, but it's not always possible. The fallback
1595 # is sigcontext. On Windows the only valid backend is the Windows
1599 if test "$darwin" != "yes"; then
1601 #include <ucontext.h>
1602 #ifdef __stub_makecontext
1603 #error Ignoring glibc stub makecontext which will always fail
1605 int main(void) { makecontext(0, 0, 0); return 0; }
1607 if compile_prog "" "" ; then
1612 if test "$coroutine" = ""; then
1613 if test "$mingw32" = "yes"; then
1615 elif test "$ucontext_works" = "yes"; then
1618 coroutine=sigaltstack
1623 if test "$mingw32" != "yes"; then
1624 error_exit "'windows' coroutine backend only valid for Windows"
1626 # Unfortunately the user visible backend name doesn't match the
1627 # coroutine-*.c filename for this case, so we have to adjust it here.
1631 if test "$ucontext_works" != "yes"; then
1632 error_exit "'ucontext' backend requested but makecontext not available"
1636 if test "$mingw32" = "yes"; then
1637 error_exit "only the 'windows' coroutine backend is valid for Windows"
1641 error_exit "unknown coroutine backend $coroutine"
1646 ##################################################
1650 if test "$safe_stack" = "yes"; then
1652 int main(int argc, char *argv[])
1654 #if ! __has_feature(safe_stack)
1655 #error SafeStack Disabled
1660 flag="-fsanitize=safe-stack"
1661 # Check that safe-stack is supported and enabled.
1662 if compile_prog "-Werror $flag" "$flag"; then
1663 # Flag needed both at compilation and at linking
1664 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1665 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1667 error_exit "SafeStack not supported by your compiler"
1669 if test "$coroutine" != "ucontext"; then
1670 error_exit "SafeStack is only supported by the coroutine backend ucontext"
1674 int main(int argc, char *argv[])
1676 #if defined(__has_feature)
1677 #if __has_feature(safe_stack)
1678 #error SafeStack Enabled
1684 if test "$safe_stack" = "no"; then
1685 # Make sure that safe-stack is disabled
1686 if ! compile_prog "-Werror" ""; then
1687 # SafeStack was already enabled, try to explicitly remove the feature
1688 flag="-fno-sanitize=safe-stack"
1689 if ! compile_prog "-Werror $flag" "$flag"; then
1690 error_exit "Configure cannot disable SafeStack"
1692 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1693 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1695 else # "$safe_stack" = ""
1696 # Set safe_stack to yes or no based on pre-existing flags
1697 if compile_prog "-Werror" ""; then
1701 if test "$coroutine" != "ucontext"; then
1702 error_exit "SafeStack is only supported by the coroutine backend ucontext"
1708 ########################################
1709 # check if ccache is interfering with
1710 # semantic analysis of macros
1715 static const int Z = 1;
1716 #define fn() ({ Z; })
1717 #define TAUT(X) ((X) == Z)
1718 #define PAREN(X, Y) (X == Y)
1720 int main(int argc, char *argv[])
1726 if (PAREN(x, y)) return 0;
1727 if (TAUT(Z)) return 0;
1732 if ! compile_object "-Werror"; then
1736 #################################################
1737 # clang does not support glibc + FORTIFY_SOURCE.
1739 if test "$fortify_source" != "no"; then
1740 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
1741 fortify_source="no";
1742 elif test -n "$cxx" && has $cxx &&
1743 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
1744 fortify_source="no";
1746 fortify_source="yes"
1750 ##########################################
1751 # checks for sanitizers
1755 have_asan_iface_h=no
1756 have_asan_iface_fiber=no
1758 if test "$sanitizers" = "yes" ; then
1760 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
1764 # we could use a simple skeleton for flags checks, but this also
1765 # detect the static linking issue of ubsan, see also:
1766 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
1770 void *tmp = malloc(10);
1772 return *(int *)(tmp + 2);
1777 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
1781 if check_include "sanitizer/asan_interface.h" ; then
1782 have_asan_iface_h=yes
1786 #include <sanitizer/asan_interface.h>
1788 __sanitizer_start_switch_fiber(0, 0, 0);
1792 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
1793 have_asan_iface_fiber=yes
1797 # Thread sanitizer is, for now, much noisier than the other sanitizers;
1798 # keep it separate until that is not the case.
1799 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
1800 error_exit "TSAN is not supported with other sanitiziers."
1803 have_tsan_iface_fiber=no
1804 if test "$tsan" = "yes" ; then
1806 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
1810 #include <sanitizer/tsan_interface.h>
1812 __tsan_create_fiber(0);
1816 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
1817 have_tsan_iface_fiber=yes
1821 ##########################################
1825 auto | enabled | internal)
1826 # Simpler to always update submodule, even if not needed.
1827 git_submodules="${git_submodules} slirp"
1831 ##########################################
1832 # functions to probe cross compilers
1835 if test $use_containers = "yes"; then
1836 if has "docker" || has "podman"; then
1837 container=$($python $source_path/tests/docker/docker.py probe)
1841 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1842 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1843 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1844 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1845 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1846 : ${cross_prefix_armeb="$cross_prefix_arm"}
1847 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1848 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1849 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1850 : ${cross_prefix_i386="i686-linux-gnu-"}
1851 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1852 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1853 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1854 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1855 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1856 : ${cross_prefix_mips="mips-linux-gnu-"}
1857 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1858 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1859 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1860 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1861 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1862 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1863 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1864 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1865 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1866 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1868 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1869 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1870 : ${cross_cc_armeb="$cross_cc_arm"}
1871 : ${cross_cc_cflags_armeb="-mbig-endian"}
1872 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1873 : ${cross_cc_cflags_hexagon="-mv67 -O2 -static"}
1874 : ${cross_cc_cflags_i386="-m32"}
1875 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1876 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1877 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1878 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1879 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1880 : ${cross_cc_sparc="$cross_cc_sparc64"}
1881 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1882 : ${cross_cc_cflags_x86_64="-m64"}
1884 compute_target_variable() {
1886 if eval test -n "\"\${cross_prefix_$1}\""; then
1887 if eval has "\"\${cross_prefix_$1}\$3\""; then
1888 eval "$2=\"\${cross_prefix_$1}\$3\""
1893 # probe_target_compiler TARGET
1895 # Look for a compiler for the given target, either native or cross.
1896 # Set variables target_* if a compiler is found, and container_cross_*
1897 # if a Docker-based cross-compiler image is known for the target.
1898 # Set got_cross_cc to yes/no depending on whether a non-container-based
1899 # compiler was found.
1901 # If TARGET is a user-mode emulation target, also set build_static to
1902 # "y" if static linking is possible.
1904 probe_target_compiler() {
1905 # reset all output variables
1914 container_cross_objcopy=
1915 container_cross_ranlib=
1916 container_cross_strip=
1918 target_arch=${1%%-*}
1919 case $target_arch in
1920 aarch64) container_hosts="x86_64 aarch64" ;;
1921 alpha) container_hosts=x86_64 ;;
1922 arm) container_hosts="x86_64 aarch64" ;;
1923 cris) container_hosts=x86_64 ;;
1924 hexagon) container_hosts=x86_64 ;;
1925 hppa) container_hosts=x86_64 ;;
1926 i386) container_hosts=x86_64 ;;
1927 loongarch64) container_hosts=x86_64 ;;
1928 m68k) container_hosts=x86_64 ;;
1929 microblaze) container_hosts=x86_64 ;;
1930 mips64el) container_hosts=x86_64 ;;
1931 mips64) container_hosts=x86_64 ;;
1932 mipsel) container_hosts=x86_64 ;;
1933 mips) container_hosts=x86_64 ;;
1934 nios2) container_hosts=x86_64 ;;
1935 ppc) container_hosts=x86_64 ;;
1936 ppc64|ppc64le) container_hosts=x86_64 ;;
1937 riscv64) container_hosts=x86_64 ;;
1938 s390x) container_hosts=x86_64 ;;
1939 sh4) container_hosts=x86_64 ;;
1940 sparc64) container_hosts=x86_64 ;;
1941 tricore) container_hosts=x86_64 ;;
1942 x86_64) container_hosts="aarch64 ppc64el x86_64" ;;
1943 xtensa*) container_hosts=x86_64 ;;
1946 for host in $container_hosts; do
1947 test "$container" != no || continue
1948 test "$host" = "$cpu" || continue
1949 case $target_arch in
1951 # We don't have any bigendian build tools so we only use this for AArch64
1952 container_image=debian-arm64-cross
1953 container_cross_prefix=aarch64-linux-gnu-
1954 container_cross_cc=${container_cross_prefix}gcc-10
1957 container_image=debian-alpha-cross
1958 container_cross_prefix=alpha-linux-gnu-
1961 # We don't have any bigendian build tools so we only use this for ARM
1962 container_image=debian-armhf-cross
1963 container_cross_prefix=arm-linux-gnueabihf-
1966 container_image=fedora-cris-cross
1967 container_cross_prefix=cris-linux-gnu-
1970 container_image=debian-hexagon-cross
1971 container_cross_prefix=hexagon-unknown-linux-musl-
1972 container_cross_cc=${container_cross_prefix}clang
1975 container_image=debian-hppa-cross
1976 container_cross_prefix=hppa-linux-gnu-
1979 container_image=fedora-i386-cross
1980 container_cross_prefix=
1983 container_image=debian-loongarch-cross
1984 container_cross_prefix=loongarch64-unknown-linux-gnu-
1987 container_image=debian-m68k-cross
1988 container_cross_prefix=m68k-linux-gnu-
1991 container_image=debian-microblaze-cross
1992 container_cross_prefix=microblaze-linux-musl-
1995 container_image=debian-mips64el-cross
1996 container_cross_prefix=mips64el-linux-gnuabi64-
1999 container_image=debian-mips64-cross
2000 container_cross_prefix=mips64-linux-gnuabi64-
2003 container_image=debian-mipsel-cross
2004 container_cross_prefix=mipsel-linux-gnu-
2007 container_image=debian-mips-cross
2008 container_cross_prefix=mips-linux-gnu-
2011 container_image=debian-nios2-cross
2012 container_cross_prefix=nios2-linux-gnu-
2015 container_image=debian-powerpc-test-cross
2016 container_cross_prefix=powerpc-linux-gnu-
2017 container_cross_cc=${container_cross_prefix}gcc-10
2020 container_image=debian-powerpc-test-cross
2021 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
2022 container_cross_cc=${container_cross_prefix}gcc-10
2025 container_image=debian-riscv64-test-cross
2026 container_cross_prefix=riscv64-linux-gnu-
2029 container_image=debian-s390x-cross
2030 container_cross_prefix=s390x-linux-gnu-
2033 container_image=debian-sh4-cross
2034 container_cross_prefix=sh4-linux-gnu-
2037 container_image=debian-sparc64-cross
2038 container_cross_prefix=sparc64-linux-gnu-
2041 container_image=debian-tricore-cross
2042 container_cross_prefix=tricore-
2043 container_cross_as=tricore-as
2044 container_cross_ld=tricore-ld
2048 container_image=debian-amd64-cross
2049 container_cross_prefix=x86_64-linux-gnu-
2052 container_hosts=x86_64
2053 container_image=debian-xtensa-cross
2055 # default to the dc232b cpu
2056 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
2059 : ${container_cross_cc:=${container_cross_prefix}gcc}
2060 : ${container_cross_ar:=${container_cross_prefix}ar}
2061 : ${container_cross_as:=${container_cross_prefix}as}
2062 : ${container_cross_ld:=${container_cross_prefix}ld}
2063 : ${container_cross_nm:=${container_cross_prefix}nm}
2064 : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
2065 : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
2066 : ${container_cross_strip:=${container_cross_prefix}strip}
2071 case "$target_arch:$cpu" in
2072 aarch64_be:aarch64 | \
2079 try='native cross' ;;
2081 eval "target_cflags=\${cross_cc_cflags_$target_arch}"
2091 target_objcopy=$objcopy
2092 target_ranlib=$ranlib
2097 if eval test -n "\"\${cross_cc_$target_arch}\""; then
2098 if eval has "\"\${cross_cc_$target_arch}\""; then
2099 eval "target_cc=\"\${cross_cc_$target_arch}\""
2102 compute_target_variable $target_arch target_cc gcc
2104 target_ccas=$target_cc
2105 compute_target_variable $target_arch target_ar ar
2106 compute_target_variable $target_arch target_as as
2107 compute_target_variable $target_arch target_ld ld
2108 compute_target_variable $target_arch target_nm nm
2109 compute_target_variable $target_arch target_objcopy objcopy
2110 compute_target_variable $target_arch target_ranlib ranlib
2111 compute_target_variable $target_arch target_strip strip
2115 if test -n "$target_cc"; then
2116 case $target_arch in
2118 if $target_cc --version | grep -qi "clang"; then
2123 elif test -n "$target_as" && test -n "$target_ld"; then
2124 # Special handling for assembler only targets
2142 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
2143 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
2149 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
2154 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
2162 if test $got_cross_cc != yes; then
2176 write_target_makefile() {
2177 echo "EXTRA_CFLAGS=$target_cflags"
2178 if test -n "$target_cc"; then
2179 echo "CC=$target_cc"
2180 echo "CCAS=$target_ccas"
2182 if test -n "$target_ar"; then
2183 echo "AR=$target_ar"
2185 if test -n "$target_as"; then
2186 echo "AS=$target_as"
2188 if test -n "$target_ld"; then
2189 echo "LD=$target_ld"
2191 if test -n "$target_nm"; then
2192 echo "NM=$target_nm"
2194 if test -n "$target_objcopy"; then
2195 echo "OBJCOPY=$target_objcopy"
2197 if test -n "$target_ranlib"; then
2198 echo "RANLIB=$target_ranlib"
2200 if test -n "$target_strip"; then
2201 echo "STRIP=$target_strip"
2205 write_container_target_makefile() {
2206 echo "EXTRA_CFLAGS=$target_cflags"
2207 if test -n "$container_cross_cc"; then
2208 echo "CC=\$(DOCKER_SCRIPT) cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
2209 echo "CCAS=\$(DOCKER_SCRIPT) cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
2211 echo "AR=\$(DOCKER_SCRIPT) cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
2212 echo "AS=\$(DOCKER_SCRIPT) cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
2213 echo "LD=\$(DOCKER_SCRIPT) cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
2214 echo "NM=\$(DOCKER_SCRIPT) cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
2215 echo "OBJCOPY=\$(DOCKER_SCRIPT) cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
2216 echo "RANLIB=\$(DOCKER_SCRIPT) cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
2217 echo "STRIP=\$(DOCKER_SCRIPT) cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
2222 ##########################################
2223 # check for vfio_user_server
2225 case "$vfio_user_server" in
2227 if test "$git_submodules_action" != "ignore"; then
2228 git_submodules="${git_submodules} subprojects/libvfio-user"
2233 ##########################################
2235 # After here, no more $cc or $ld runs
2239 if test "$fortify_source" = "yes" ; then
2240 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
2243 if test "$have_asan" = "yes"; then
2244 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
2245 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
2246 if test "$have_asan_iface_h" = "no" ; then
2247 echo "ASAN build enabled, but ASAN header missing." \
2248 "Without code annotation, the report may be inferior."
2249 elif test "$have_asan_iface_fiber" = "no" ; then
2250 echo "ASAN build enabled, but ASAN header is too old." \
2251 "Without code annotation, the report may be inferior."
2254 if test "$have_tsan" = "yes" ; then
2255 if test "$have_tsan_iface_fiber" = "yes" ; then
2256 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
2257 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
2259 error_exit "Cannot enable TSAN due to missing fiber annotation interface."
2261 elif test "$tsan" = "yes" ; then
2262 error_exit "Cannot enable TSAN due to missing sanitize thread interface."
2264 if test "$have_ubsan" = "yes"; then
2265 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
2266 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
2269 ##########################################
2271 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
2272 if test "$solaris" = "no" && test "$tsan" = "no"; then
2273 if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
2274 QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
2278 # Guest agent Windows MSI package
2280 if test "$QEMU_GA_MANUFACTURER" = ""; then
2281 QEMU_GA_MANUFACTURER=QEMU
2283 if test "$QEMU_GA_DISTRO" = ""; then
2284 QEMU_GA_DISTRO=Linux
2286 if test "$QEMU_GA_VERSION" = ""; then
2287 QEMU_GA_VERSION=$(cat $source_path/VERSION)
2291 #######################################
2292 # cross-compiled firmware targets
2294 # Set up build tree symlinks that point back into the source tree
2295 # (these can be both files and directories).
2296 # Caution: avoid adding files or directories here using wildcards. This
2297 # will result in problems later if a new file matching the wildcard is
2298 # added to the source tree -- nothing will cause configure to be rerun
2299 # so the build tree will be missing the link back to the new file, and
2300 # tests might fail. Prefer to keep the relevant files in their own
2301 # directory and symlink the directory instead.
2303 LINKS="$LINKS tests/tcg/Makefile.target"
2304 LINKS="$LINKS pc-bios/optionrom/Makefile"
2305 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
2306 LINKS="$LINKS pc-bios/vof/Makefile"
2307 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
2308 LINKS="$LINKS tests/avocado tests/data"
2309 LINKS="$LINKS tests/qemu-iotests/check"
2310 LINKS="$LINKS python"
2311 LINKS="$LINKS contrib/plugins/Makefile "
2312 for f in $LINKS ; do
2313 if [ -e "$source_path/$f" ]; then
2314 mkdir -p `dirname ./$f`
2315 symlink "$source_path/$f" "$f"
2319 # Mac OS X ships with a broken assembler
2321 probe_target_compiler i386-softmmu
2322 if test -n "$target_cc" &&
2323 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
2324 test "$targetos" != "haiku" && test "$softmmu" = yes ; then
2325 # Different host OS linkers have different ideas about the name of the ELF
2326 # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
2327 # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
2328 for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
2329 if "$target_ld" -verbose 2>&1 | grep -q "^[[:space:]]*${emu}[[:space:]]*$"; then
2330 ld_i386_emulation="$emu"
2334 if test -n "$ld_i386_emulation"; then
2335 roms="pc-bios/optionrom"
2336 config_mak=pc-bios/optionrom/config.mak
2337 echo "# Automatically generated by configure - do not modify" > $config_mak
2338 echo "TOPSRC_DIR=$source_path" >> $config_mak
2339 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_mak
2340 write_target_makefile >> $config_mak
2344 probe_target_compiler ppc-softmmu
2345 if test -n "$target_cc" && test "$softmmu" = yes; then
2346 roms="$roms pc-bios/vof"
2347 config_mak=pc-bios/vof/config.mak
2348 echo "# Automatically generated by configure - do not modify" > $config_mak
2349 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
2350 write_target_makefile >> $config_mak
2353 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
2354 # (which is the lowest architecture level that Clang supports)
2355 probe_target_compiler s390x-softmmu
2356 if test -n "$target_cc" && test "$softmmu" = yes; then
2358 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
2360 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
2361 if [ $has_z900 != 0 ]; then
2362 echo "WARNING: Your compiler does not support the z900!"
2363 echo " The s390-ccw bios will only work with guest CPUs >= z10."
2365 roms="$roms pc-bios/s390-ccw"
2366 config_mak=pc-bios/s390-ccw/config-host.mak
2367 echo "# Automatically generated by configure - do not modify" > $config_mak
2368 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
2369 write_target_makefile >> $config_mak
2370 # SLOF is required for building the s390-ccw firmware on s390x,
2371 # since it is using the libnet code from SLOF for network booting.
2372 git_submodules="${git_submodules} roms/SLOF"
2376 #######################################
2377 # generate config-host.mak
2379 # Check that the C++ compiler exists and works with the C compiler.
2380 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
2383 int c_function(void);
2384 int main(void) { return c_function(); }
2391 int c_function(void);
2393 int c_function(void) { return 42; }
2398 if do_cxx $CXXFLAGS $EXTRA_CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
2399 # C++ compiler $cxx works ok with C compiler $cc
2402 echo "C++ compiler $cxx does not work with C compiler $cc"
2403 echo "Disabling C++ specific optional code"
2407 echo "No C++ compiler available; disabling C++ specific optional code"
2411 if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then
2415 config_host_mak="config-host.mak"
2417 echo "# Automatically generated by configure - do not modify" > $config_host_mak
2418 echo >> $config_host_mak
2420 echo all: >> $config_host_mak
2421 echo "GIT=$git" >> $config_host_mak
2422 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
2423 echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak
2425 if test "$debug_tcg" = "yes" ; then
2426 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
2428 if test "$mingw32" = "yes" ; then
2429 echo "CONFIG_WIN32=y" >> $config_host_mak
2430 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
2431 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
2432 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
2434 echo "CONFIG_POSIX=y" >> $config_host_mak
2437 if test "$linux" = "yes" ; then
2438 echo "CONFIG_LINUX=y" >> $config_host_mak
2441 if test "$darwin" = "yes" ; then
2442 echo "CONFIG_DARWIN=y" >> $config_host_mak
2445 if test "$solaris" = "yes" ; then
2446 echo "CONFIG_SOLARIS=y" >> $config_host_mak
2448 if test "$static" = "yes" ; then
2449 echo "CONFIG_STATIC=y" >> $config_host_mak
2451 echo "SRC_PATH=$source_path" >> $config_host_mak
2452 echo "TARGET_DIRS=$target_list" >> $config_host_mak
2453 if test "$modules" = "yes"; then
2454 echo "CONFIG_MODULES=y" >> $config_host_mak
2457 # XXX: suppress that
2458 if [ "$bsd" = "yes" ] ; then
2459 echo "CONFIG_BSD=y" >> $config_host_mak
2462 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
2464 if test "$have_asan_iface_fiber" = "yes" ; then
2465 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
2468 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
2469 echo "CONFIG_TSAN=y" >> $config_host_mak
2472 if test "$plugins" = "yes" ; then
2473 echo "CONFIG_PLUGIN=y" >> $config_host_mak
2476 if test -n "$gdb_bin"; then
2477 gdb_version=$($gdb_bin --version | head -n 1)
2478 if version_ge ${gdb_version##* } 9.1; then
2479 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
2483 echo "ROMS=$roms" >> $config_host_mak
2484 echo "MAKE=$make" >> $config_host_mak
2485 echo "PYTHON=$python" >> $config_host_mak
2486 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
2487 echo "MESON=$meson" >> $config_host_mak
2488 echo "NINJA=$ninja" >> $config_host_mak
2489 echo "CC=$cc" >> $config_host_mak
2490 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
2491 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
2492 echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak
2493 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
2494 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
2495 echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak
2496 echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak
2497 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
2498 echo "EXESUF=$EXESUF" >> $config_host_mak
2500 # use included Linux headers
2501 if test "$linux" = "yes" ; then
2502 mkdir -p linux-headers
2517 linux_arch=loongarch
2523 # For most CPUs the kernel architecture name and QEMU CPU name match.
2527 # For non-KVM architectures we will not have asm headers
2528 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
2529 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
2533 for target in $target_list; do
2534 target_dir="$target"
2535 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
2536 mkdir -p $target_dir
2538 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
2539 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
2543 if test "$default_targets" = "yes"; then
2544 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
2547 if test "$ccache_cpp2" = "yes"; then
2548 echo "export CCACHE_CPP2=y" >> $config_host_mak
2551 if test "$safe_stack" = "yes"; then
2552 echo "CONFIG_SAFESTACK=y" >> $config_host_mak
2555 # tests/tcg configuration
2556 (makefile=tests/tcg/Makefile.prereqs
2557 echo "# Automatically generated by configure - do not modify" > $makefile
2559 config_host_mak=tests/tcg/config-host.mak
2560 echo "# Automatically generated by configure - do not modify" > $config_host_mak
2561 echo "SRC_PATH=$source_path" >> $config_host_mak
2562 echo "HOST_CC=$host_cc" >> $config_host_mak
2565 for target in $target_list; do
2568 config_target_mak=tests/tcg/config-$target.mak
2570 echo "# Automatically generated by configure - do not modify" > $config_target_mak
2571 echo "TARGET_NAME=$arch" >> $config_target_mak
2574 # the toolchain is not complete with headers, only build softmmu tests
2578 test -f $source_path/tests/tcg/$arch/Makefile.softmmu-target || continue
2579 qemu="qemu-system-$arch"
2581 *-linux-user|*-bsd-user)
2586 probe_target_compiler $target
2587 if test $got_cross_cc = yes; then
2588 # Test for compiler features for optional tests. We only do this
2589 # for cross compilers because ensuring the docker containers based
2590 # compilers is a requirememt for adding a new test that needs a
2593 echo "BUILD_STATIC=$build_static" >> $config_target_mak
2594 write_target_makefile >> $config_target_mak
2597 if do_compiler "$target_cc" $target_cflags \
2598 -march=armv8.1-a+sve -o $TMPE $TMPC; then
2599 echo "CROSS_CC_HAS_SVE=y" >> $config_target_mak
2601 if do_compiler "$target_cc" $target_cflags \
2602 -march=armv8.1-a+sve2 -o $TMPE $TMPC; then
2603 echo "CROSS_CC_HAS_SVE2=y" >> $config_target_mak
2605 if do_compiler "$target_cc" $target_cflags \
2606 -march=armv8.3-a -o $TMPE $TMPC; then
2607 echo "CROSS_CC_HAS_ARMV8_3=y" >> $config_target_mak
2609 if do_compiler "$target_cc" $target_cflags \
2610 -mbranch-protection=standard -o $TMPE $TMPC; then
2611 echo "CROSS_CC_HAS_ARMV8_BTI=y" >> $config_target_mak
2613 if do_compiler "$target_cc" $target_cflags \
2614 -march=armv8.5-a+memtag -o $TMPE $TMPC; then
2615 echo "CROSS_CC_HAS_ARMV8_MTE=y" >> $config_target_mak
2619 if do_compiler "$target_cc" $target_cflags \
2620 -mpower8-vector -o $TMPE $TMPC; then
2621 echo "CROSS_CC_HAS_POWER8_VECTOR=y" >> $config_target_mak
2623 if do_compiler "$target_cc" $target_cflags \
2624 -mpower10 -o $TMPE $TMPC; then
2625 echo "CROSS_CC_HAS_POWER10=y" >> $config_target_mak
2629 if do_compiler "$target_cc" $target_cflags \
2630 -Werror -fno-pie -o $TMPE $TMPC; then
2631 echo "CROSS_CC_HAS_I386_NOPIE=y" >> $config_target_mak
2635 elif test -n "$container_image"; then
2636 echo "build-tcg-tests-$target: docker-image-$container_image" >> $makefile
2637 echo "BUILD_STATIC=y" >> $config_target_mak
2638 write_container_target_makefile >> $config_target_mak
2641 echo "CROSS_CC_HAS_SVE=y" >> $config_target_mak
2642 echo "CROSS_CC_HAS_SVE2=y" >> $config_target_mak
2643 echo "CROSS_CC_HAS_ARMV8_3=y" >> $config_target_mak
2644 echo "CROSS_CC_HAS_ARMV8_BTI=y" >> $config_target_mak
2645 echo "CROSS_CC_HAS_ARMV8_MTE=y" >> $config_target_mak
2648 echo "CROSS_CC_HAS_POWER8_VECTOR=y" >> $config_target_mak
2649 echo "CROSS_CC_HAS_POWER10=y" >> $config_target_mak
2652 echo "CROSS_CC_HAS_I386_NOPIE=y" >> $config_target_mak
2657 if test $got_cross_cc = yes; then
2658 mkdir -p tests/tcg/$target
2659 echo "QEMU=$PWD/$qemu" >> $config_target_mak
2660 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> $makefile
2661 tcg_tests_targets="$tcg_tests_targets $target"
2664 echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> $makefile)
2666 if test "$skip_meson" = no; then
2667 cross="config-meson.cross.new"
2669 test $# = 0 && return
2670 echo "'$(echo $* | sed "s/ /','/g")'"
2673 echo "# Automatically generated by configure - do not modify" > $cross
2674 echo "[properties]" >> $cross
2676 # unroll any custom device configs
2677 for a in $device_archs; do
2678 eval "c=\$devices_${a}"
2679 echo "${a}-softmmu = '$c'" >> $cross
2682 test -z "$cxx" && echo "link_language = 'c'" >> $cross
2683 echo "[built-in options]" >> $cross
2684 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
2685 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
2686 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
2687 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
2688 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
2689 echo "[binaries]" >> $cross
2690 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
2691 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
2692 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
2693 echo "ar = [$(meson_quote $ar)]" >> $cross
2694 echo "nm = [$(meson_quote $nm)]" >> $cross
2695 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross
2696 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
2697 if has $sdl2_config; then
2698 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
2700 echo "strip = [$(meson_quote $strip)]" >> $cross
2701 echo "widl = [$(meson_quote $widl)]" >> $cross
2702 echo "windres = [$(meson_quote $windres)]" >> $cross
2703 if test "$cross_compile" = "yes"; then
2704 cross_arg="--cross-file config-meson.cross"
2705 echo "[host_machine]" >> $cross
2706 echo "system = '$targetos'" >> $cross
2709 echo "cpu_family = 'x86'" >> $cross
2712 echo "cpu_family = '$cpu'" >> $cross
2715 echo "cpu = '$cpu'" >> $cross
2716 if test "$bigendian" = "yes" ; then
2717 echo "endian = 'big'" >> $cross
2719 echo "endian = 'little'" >> $cross
2722 cross_arg="--native-file config-meson.cross"
2724 mv $cross config-meson.cross
2726 rm -rf meson-private meson-info meson-logs
2729 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
2730 test "$default_feature" = no && meson_option_add -Dauto_features=disabled
2731 test "$pie" = no && meson_option_add -Db_pie=false
2732 test "$werror" = yes && meson_option_add -Dwerror=true
2735 test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
2736 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt"
2737 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
2738 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
2739 test "$slirp" != auto && meson_option_add "-Dslirp=$slirp"
2740 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
2741 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
2742 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server"
2744 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
2746 eval run_meson $meson_options
2747 if test "$?" -ne 0 ; then
2748 error_exit "meson setup failed"
2751 if test -f meson-private/cmd_line.txt; then
2752 # Adjust old command line options whose type was changed
2753 # Avoids having to use "setup --wipe" when Meson is upgraded
2755 s/^gettext = true$/gettext = auto/;
2756 s/^gettext = false$/gettext = disabled/;
2757 /^b_staticpic/ && next;
2758 print;' meson-private/cmd_line.txt
2762 # Save the configure command line for later reuse.
2763 cat <<EOD >config.status
2765 # Generated by configure.
2766 # Run this file to recreate the current configuration.
2767 # Compiler output produced by configure, useful for debugging
2768 # configure, is in config.log if it exists.
2774 eval envval=\$$envname
2776 if test -n "$envval"
2778 echo "$envname='$envval'" >> config.status
2779 echo "export $envname" >> config.status
2781 echo "unset $envname" >> config.status
2785 # Preserve various env variables that influence what
2786 # features/build target configure will detect
2792 preserve_env CXXFLAGS
2794 preserve_env LDFLAGS
2795 preserve_env LD_LIBRARY_PATH
2798 preserve_env OBJCFLAGS
2799 preserve_env OBJCOPY
2801 preserve_env PKG_CONFIG
2802 preserve_env PKG_CONFIG_LIBDIR
2803 preserve_env PKG_CONFIG_PATH
2805 preserve_env SDL2_CONFIG
2809 preserve_env WINDRES
2811 printf "exec" >>config.status
2812 for i in "$0" "$@"; do
2813 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
2815 echo ' "$@"' >>config.status
2816 chmod +x config.status