linux-user: Remove pointless CPU{ARCH}State casts
[qemu/rayw.git] / configure
blob180ee688dc1353dc52bdc472c8d7eb4a99276017
1 #!/bin/sh
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"
18 then
19 echo "Using './build' as the directory for build output"
21 MARKER=build/auto-created-by-configure
23 if test -e build
24 then
25 if test -f $MARKER
26 then
27 rm -rf build
28 else
29 echo "ERROR: ./build dir already exists and was not previously created by configure"
30 exit 1
34 mkdir build
35 touch $MARKER
37 cat > GNUmakefile <<'EOF'
38 # This file is auto-generated by configure to support in-source tree
39 # 'make' command invocation
41 ifeq ($(MAKECMDGOALS),)
42 recurse: all
43 endif
45 .NOTPARALLEL: %
46 %: force
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 ; \
51 then \
52 rm -rf build GNUmakefile ; \
54 force: ;
55 .PHONY: force
56 GNUmakefile: ;
58 EOF
59 cd build
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.)
68 TMPDIR1="config-temp"
69 rm -rf "${TMPDIR1}"
70 mkdir -p "${TMPDIR1}"
71 if [ $? -ne 0 ]; then
72 echo "ERROR: failed to create temporary directory"
73 exit 1
76 TMPB="qemu-conf"
77 TMPC="${TMPDIR1}/${TMPB}.c"
78 TMPO="${TMPDIR1}/${TMPB}.o"
79 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
80 TMPM="${TMPDIR1}/${TMPB}.m"
81 TMPE="${TMPDIR1}/${TMPB}.exe"
83 rm -f config.log
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
89 echo >> config.log
90 echo "#" >> config.log
92 quote_sh() {
93 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
96 print_error() {
97 (echo
98 echo "ERROR: $1"
99 while test -n "$2"; do
100 echo " $2"
101 shift
102 done
103 echo) >&2
106 error_exit() {
107 print_error "$@"
108 exit 1
111 do_compiler() {
112 # Run the compiler, capturing its output to the log. First argument
113 # is compiler binary to execute.
114 compiler="$1"
115 shift
116 if test -n "$BASH_VERSION"; then eval '
117 echo >>config.log "
118 funcs: ${FUNCNAME[*]}
119 lines: ${BASH_LINENO[*]}"
120 '; fi
121 echo $compiler "$@" >> config.log
122 $compiler "$@" >> config.log 2>&1 || return $?
123 # Test passed. If this is an --enable-werror build, rerun
124 # the test with -Werror and bail out if it fails. This
125 # makes warning-generating-errors in configure test code
126 # obvious to developers.
127 if test "$werror" != "yes"; then
128 return 0
130 # Don't bother rerunning the compile if we were already using -Werror
131 case "$*" in
132 *-Werror*)
133 return 0
135 esac
136 echo $compiler -Werror "$@" >> config.log
137 $compiler -Werror "$@" >> config.log 2>&1 && return $?
138 error_exit "configure test passed without -Werror but failed with -Werror." \
139 "This is probably a bug in the configure script. The failing command" \
140 "will be at the bottom of config.log." \
141 "You can run configure with --disable-werror to bypass this check."
144 do_cc() {
145 do_compiler "$cc" $CPU_CFLAGS "$@"
148 do_cxx() {
149 do_compiler "$cxx" $CPU_CFLAGS "$@"
152 do_objc() {
153 do_compiler "$objcc" $CPU_CFLAGS "$@"
156 # Append $2 to the variable named $1, with space separation
157 add_to() {
158 eval $1=\${$1:+\"\$$1 \"}\$2
161 update_cxxflags() {
162 # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
163 # options which some versions of GCC's C++ compiler complain about
164 # because they only make sense for C programs.
165 QEMU_CXXFLAGS="-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
166 CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu11/-std=gnu++11/)
167 for arg in $QEMU_CFLAGS; do
168 case $arg in
169 -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
170 -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
173 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
175 esac
176 done
179 compile_object() {
180 local_cflags="$1"
181 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
184 compile_prog() {
185 local_cflags="$1"
186 local_ldflags="$2"
187 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \
188 $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags
191 # symbolically link $1 to $2. Portable version of "ln -sf".
192 symlink() {
193 rm -rf "$2"
194 mkdir -p "$(dirname "$2")"
195 ln -s "$1" "$2"
198 # check whether a command is available to this shell (may be either an
199 # executable or a builtin)
200 has() {
201 type "$1" >/dev/null 2>&1
204 version_ge () {
205 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
206 local_ver2=$(echo "$2" | tr . ' ')
207 while true; do
208 set x $local_ver1
209 local_first=${2-0}
210 # 'shift 2' if $2 is set, or 'shift' if $2 is not set
211 shift ${2:+2}
212 local_ver1=$*
213 set x $local_ver2
214 # the second argument finished, the first must be greater or equal
215 test $# = 1 && return 0
216 test $local_first -lt $2 && return 1
217 test $local_first -gt $2 && return 0
218 shift ${2:+2}
219 local_ver2=$*
220 done
223 glob() {
224 eval test -z '"${1#'"$2"'}"'
227 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
228 then
229 error_exit "main directory cannot contain spaces nor colons"
232 # default parameters
233 cpu=""
234 static="no"
235 cross_compile="no"
236 cross_prefix=""
237 host_cc="cc"
238 stack_protector=""
239 safe_stack=""
240 use_containers="yes"
241 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
243 if test -e "$source_path/.git"
244 then
245 git_submodules_action="update"
246 else
247 git_submodules_action="ignore"
250 git_submodules="ui/keycodemapdb"
251 git="git"
253 # Don't accept a target_list environment variable.
254 unset target_list
255 unset target_list_exclude
257 # Default value for a variable defining feature "foo".
258 # * foo="no" feature will only be used if --enable-foo arg is given
259 # * foo="" feature will be searched for, and if found, will be used
260 # unless --disable-foo is given
261 # * foo="yes" this value will only be set by --enable-foo flag.
262 # feature will searched for,
263 # if not found, configure exits with error
265 # Always add --enable-foo and --disable-foo command line args.
266 # Distributions want to ensure that several features are compiled in, and it
267 # is impossible without a --enable-foo that exits if a feature is not found.
269 default_feature=""
270 # parse CC options second
271 for opt do
272 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
273 case "$opt" in
274 --without-default-features)
275 default_feature="no"
277 esac
278 done
280 EXTRA_CFLAGS=""
281 EXTRA_CXXFLAGS=""
282 EXTRA_OBJCFLAGS=""
283 EXTRA_LDFLAGS=""
285 debug_tcg="no"
286 sanitizers="no"
287 tsan="no"
288 fortify_source="yes"
289 EXESUF=""
290 modules="no"
291 prefix="/usr/local"
292 qemu_suffix="qemu"
293 softmmu="yes"
294 linux_user=""
295 bsd_user=""
296 pie=""
297 coroutine=""
298 plugins="$default_feature"
299 meson=""
300 meson_args=""
301 ninja=""
302 bindir="bin"
303 skip_meson=no
305 # The following Meson options are handled manually (still they
306 # are included in the automatically generated help message)
308 # 1. Track which submodules are needed
309 if test "$default_feature" = no ; then
310 slirp="disabled"
311 else
312 slirp="auto"
314 fdt="auto"
316 # 2. Automatically enable/disable other options
317 tcg="enabled"
318 cfi="false"
320 # parse CC options second
321 for opt do
322 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
323 case "$opt" in
324 --cross-prefix=*) cross_prefix="$optarg"
325 cross_compile="yes"
327 --cc=*) CC="$optarg"
329 --cxx=*) CXX="$optarg"
331 --cpu=*) cpu="$optarg"
333 --extra-cflags=*)
334 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
335 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
336 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
338 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
340 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
342 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
344 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
346 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
347 eval "cross_cc_cflags_${cc_arch}=\$optarg"
348 cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
350 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
351 eval "cross_cc_${cc_arch}=\$optarg"
352 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
354 esac
355 done
356 # OS specific
357 # Using uname is really, really broken. Once we have the right set of checks
358 # we can eliminate its usage altogether.
360 # Preferred compiler:
361 # ${CC} (if set)
362 # ${cross_prefix}gcc (if cross-prefix specified)
363 # system compiler
364 if test -z "${CC}${cross_prefix}"; then
365 cc="$host_cc"
366 else
367 cc="${CC-${cross_prefix}gcc}"
370 if test -z "${CXX}${cross_prefix}"; then
371 cxx="c++"
372 else
373 cxx="${CXX-${cross_prefix}g++}"
376 ar="${AR-${cross_prefix}ar}"
377 as="${AS-${cross_prefix}as}"
378 ccas="${CCAS-$cc}"
379 cpp="${CPP-$cc -E}"
380 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
381 ld="${LD-${cross_prefix}ld}"
382 ranlib="${RANLIB-${cross_prefix}ranlib}"
383 nm="${NM-${cross_prefix}nm}"
384 smbd="$SMBD"
385 strip="${STRIP-${cross_prefix}strip}"
386 widl="${WIDL-${cross_prefix}widl}"
387 windres="${WINDRES-${cross_prefix}windres}"
388 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
389 query_pkg_config() {
390 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
392 pkg_config=query_pkg_config
393 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
395 # default flags for all hosts
396 # We use -fwrapv to tell the compiler that we require a C dialect where
397 # left shift of signed integers is well defined and has the expected
398 # 2s-complement style results. (Both clang and gcc agree that it
399 # provides these semantics.)
400 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv"
401 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
402 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
403 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
405 QEMU_LDFLAGS=
407 # Flags that are needed during configure but later taken care of by Meson
408 CONFIGURE_CFLAGS="-std=gnu11 -Wall"
409 CONFIGURE_LDFLAGS=
412 check_define() {
413 cat > $TMPC <<EOF
414 #if !defined($1)
415 #error $1 not defined
416 #endif
417 int main(void) { return 0; }
419 compile_object
422 check_include() {
423 cat > $TMPC <<EOF
424 #include <$1>
425 int main(void) { return 0; }
427 compile_object
430 write_c_skeleton() {
431 cat > $TMPC <<EOF
432 int main(void) { return 0; }
436 if check_define __linux__ ; then
437 targetos=linux
438 elif check_define _WIN32 ; then
439 targetos=windows
440 elif check_define __OpenBSD__ ; then
441 targetos=openbsd
442 elif check_define __sun__ ; then
443 targetos=sunos
444 elif check_define __HAIKU__ ; then
445 targetos=haiku
446 elif check_define __FreeBSD__ ; then
447 targetos=freebsd
448 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
449 targetos=gnu/kfreebsd
450 elif check_define __DragonFly__ ; then
451 targetos=dragonfly
452 elif check_define __NetBSD__; then
453 targetos=netbsd
454 elif check_define __APPLE__; then
455 targetos=darwin
456 else
457 # This is a fatal error, but don't report it yet, because we
458 # might be going to just print the --help text, or it might
459 # be the result of a missing compiler.
460 targetos=bogus
463 # OS specific
465 mingw32="no"
466 bsd="no"
467 linux="no"
468 solaris="no"
469 case $targetos in
470 windows)
471 mingw32="yes"
472 plugins="no"
473 pie="no"
475 gnu/kfreebsd)
476 bsd="yes"
478 freebsd)
479 bsd="yes"
480 make="${MAKE-gmake}"
481 # needed for kinfo_getvmmap(3) in libutil.h
483 dragonfly)
484 bsd="yes"
485 make="${MAKE-gmake}"
487 netbsd)
488 bsd="yes"
489 make="${MAKE-gmake}"
491 openbsd)
492 bsd="yes"
493 make="${MAKE-gmake}"
495 darwin)
496 bsd="yes"
497 darwin="yes"
498 # Disable attempts to use ObjectiveC features in os/object.h since they
499 # won't work when we're compiling with gcc as a C compiler.
500 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
502 sunos)
503 solaris="yes"
504 make="${MAKE-gmake}"
505 # needed for CMSG_ macros in sys/socket.h
506 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
507 # needed for TIOCWIN* defines in termios.h
508 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
509 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
510 # Note that this check is broken for cross-compilation: if you're
511 # cross-compiling to one of these OSes then you'll need to specify
512 # the correct CPU with the --cpu option.
513 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
514 cpu="x86_64"
517 haiku)
518 pie="no"
519 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS"
521 linux)
522 linux="yes"
524 esac
526 if test ! -z "$cpu" ; then
527 # command line argument
529 elif check_define __i386__ ; then
530 cpu="i386"
531 elif check_define __x86_64__ ; then
532 if check_define __ILP32__ ; then
533 cpu="x32"
534 else
535 cpu="x86_64"
537 elif check_define __sparc__ ; then
538 if check_define __arch64__ ; then
539 cpu="sparc64"
540 else
541 cpu="sparc"
543 elif check_define _ARCH_PPC ; then
544 if check_define _ARCH_PPC64 ; then
545 if check_define _LITTLE_ENDIAN ; then
546 cpu="ppc64le"
547 else
548 cpu="ppc64"
550 else
551 cpu="ppc"
553 elif check_define __mips__ ; then
554 cpu="mips"
555 elif check_define __s390__ ; then
556 if check_define __s390x__ ; then
557 cpu="s390x"
558 else
559 cpu="s390"
561 elif check_define __riscv ; then
562 cpu="riscv"
563 elif check_define __arm__ ; then
564 cpu="arm"
565 elif check_define __aarch64__ ; then
566 cpu="aarch64"
567 elif check_define __loongarch64 ; then
568 cpu="loongarch64"
569 else
570 cpu=$(uname -m)
573 # Normalise host CPU name, set multilib cflags
574 # Note that this case should only have supported host CPUs, not guests.
575 case "$cpu" in
576 armv*b|armv*l|arm)
577 cpu="arm" ;;
579 i386|i486|i586|i686|i86pc|BePC)
580 cpu="i386"
581 CPU_CFLAGS="-m32" ;;
582 x32)
583 cpu="x86_64"
584 CPU_CFLAGS="-mx32" ;;
585 x86_64|amd64)
586 cpu="x86_64"
587 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
588 # If we truly care, we should simply detect this case at
589 # runtime and generate the fallback to serial emulation.
590 CPU_CFLAGS="-m64 -mcx16" ;;
592 mips*)
593 cpu="mips" ;;
595 ppc)
596 CPU_CFLAGS="-m32" ;;
597 ppc64)
598 CPU_CFLAGS="-m64 -mbig-endian" ;;
599 ppc64le)
600 cpu="ppc64"
601 CPU_CFLAGS="-m64 -mlittle-endian" ;;
603 s390)
604 CPU_CFLAGS="-m31" ;;
605 s390x)
606 CPU_CFLAGS="-m64" ;;
608 sparc|sun4[cdmuv])
609 cpu="sparc"
610 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;;
611 sparc64)
612 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;;
613 esac
615 : ${make=${MAKE-make}}
617 # We prefer python 3.x. A bare 'python' is traditionally
618 # python 2.x, but some distros have it as python 3.x, so
619 # we check that too
620 python=
621 explicit_python=no
622 for binary in "${PYTHON-python3}" python
624 if has "$binary"
625 then
626 python=$(command -v "$binary")
627 break
629 done
632 # Check for ancillary tools used in testing
633 genisoimage=
634 for binary in genisoimage mkisofs
636 if has $binary
637 then
638 genisoimage=$(command -v "$binary")
639 break
641 done
643 # Default objcc to clang if available, otherwise use CC
644 if has clang; then
645 objcc=clang
646 else
647 objcc="$cc"
650 if test "$mingw32" = "yes" ; then
651 EXESUF=".exe"
652 # MinGW needs -mthreads for TLS and macro _MT.
653 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
654 write_c_skeleton;
655 prefix="/qemu"
656 bindir=""
657 qemu_suffix=""
660 werror=""
662 . $source_path/scripts/meson-buildoptions.sh
664 meson_options=
665 meson_option_add() {
666 meson_options="$meson_options $(quote_sh "$1")"
668 meson_option_parse() {
669 meson_options="$meson_options $(_meson_option_parse "$@")"
670 if test $? -eq 1; then
671 echo "ERROR: unknown option $1"
672 echo "Try '$0 --help' for more information"
673 exit 1
677 for opt do
678 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
679 case "$opt" in
680 --help|-h) show_help=yes
682 --version|-V) exec cat $source_path/VERSION
684 --prefix=*) prefix="$optarg"
686 --cross-prefix=*)
688 --cc=*)
690 --host-cc=*) host_cc="$optarg"
692 --cxx=*)
694 --objcc=*) objcc="$optarg"
696 --make=*) make="$optarg"
698 --install=*)
700 --python=*) python="$optarg" ; explicit_python=yes
702 --skip-meson) skip_meson=yes
704 --meson=*) meson="$optarg"
706 --ninja=*) ninja="$optarg"
708 --smbd=*) smbd="$optarg"
710 --extra-cflags=*)
712 --extra-cxxflags=*)
714 --extra-objcflags=*)
716 --extra-ldflags=*)
718 --cross-cc-*)
720 --enable-debug-info) meson_option_add -Ddebug=true
722 --disable-debug-info) meson_option_add -Ddebug=false
724 --enable-modules)
725 modules="yes"
727 --disable-modules)
728 modules="no"
730 --cpu=*)
732 --target-list=*) target_list="$optarg"
733 if test "$target_list_exclude"; then
734 error_exit "Can't mix --target-list with --target-list-exclude"
737 --target-list-exclude=*) target_list_exclude="$optarg"
738 if test "$target_list"; then
739 error_exit "Can't mix --target-list-exclude with --target-list"
742 --with-default-devices) meson_option_add -Ddefault_devices=true
744 --without-default-devices) meson_option_add -Ddefault_devices=false
746 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
748 --with-devices-*) device_arch=${opt#--with-devices-};
749 device_arch=${device_arch%%=*}
750 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
751 if test -f "$cf"; then
752 device_archs="$device_archs $device_arch"
753 eval "devices_${device_arch}=\$optarg"
754 else
755 error_exit "File $cf does not exist"
758 --without-default-features) # processed above
760 --static)
761 static="yes"
762 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
764 --bindir=*) bindir="$optarg"
766 --with-suffix=*) qemu_suffix="$optarg"
768 --host=*|--build=*|\
769 --disable-dependency-tracking|\
770 --sbindir=*|--sharedstatedir=*|\
771 --oldincludedir=*|--datarootdir=*|--infodir=*|\
772 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
773 # These switches are silently ignored, for compatibility with
774 # autoconf-generated configure scripts. This allows QEMU's
775 # configure to be used by RPM and similar macros that set
776 # lots of directory switches by default.
778 --enable-debug-tcg) debug_tcg="yes"
780 --disable-debug-tcg) debug_tcg="no"
782 --enable-debug)
783 # Enable debugging options that aren't excessively noisy
784 debug_tcg="yes"
785 meson_option_parse --enable-debug-mutex ""
786 meson_option_add -Doptimization=0
787 fortify_source="no"
789 --enable-sanitizers) sanitizers="yes"
791 --disable-sanitizers) sanitizers="no"
793 --enable-tsan) tsan="yes"
795 --disable-tsan) tsan="no"
797 --disable-slirp) slirp="disabled"
799 --enable-slirp) slirp="enabled"
801 --enable-slirp=git) slirp="internal"
803 --enable-slirp=*) slirp="$optarg"
805 --disable-tcg) tcg="disabled"
806 plugins="no"
808 --enable-tcg) tcg="enabled"
810 --disable-system) softmmu="no"
812 --enable-system) softmmu="yes"
814 --disable-user)
815 linux_user="no" ;
816 bsd_user="no" ;
818 --enable-user) ;;
819 --disable-linux-user) linux_user="no"
821 --enable-linux-user) linux_user="yes"
823 --disable-bsd-user) bsd_user="no"
825 --enable-bsd-user) bsd_user="yes"
827 --enable-pie) pie="yes"
829 --disable-pie) pie="no"
831 --enable-werror) werror="yes"
833 --disable-werror) werror="no"
835 --enable-stack-protector) stack_protector="yes"
837 --disable-stack-protector) stack_protector="no"
839 --enable-safe-stack) safe_stack="yes"
841 --disable-safe-stack) safe_stack="no"
843 --enable-cfi)
844 cfi="true";
845 meson_option_add -Db_lto=true
847 --disable-cfi) cfi="false"
849 --disable-fdt) fdt="disabled"
851 --enable-fdt) fdt="enabled"
853 --enable-fdt=git) fdt="internal"
855 --enable-fdt=*) fdt="$optarg"
857 --with-coroutine=*) coroutine="$optarg"
859 --disable-zlib-test)
861 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
862 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
864 --enable-vhdx|--disable-vhdx)
865 echo "$0: $opt is obsolete, VHDX driver is always built" >&2
867 --enable-uuid|--disable-uuid)
868 echo "$0: $opt is obsolete, UUID support is always built" >&2
870 --with-git=*) git="$optarg"
872 --with-git-submodules=*)
873 git_submodules_action="$optarg"
875 --enable-plugins) if test "$mingw32" = "yes"; then
876 error_exit "TCG plugins not currently supported on Windows platforms"
877 else
878 plugins="yes"
881 --disable-plugins) plugins="no"
883 --enable-containers) use_containers="yes"
885 --disable-containers) use_containers="no"
887 --gdb=*) gdb_bin="$optarg"
889 # backwards compatibility options
890 --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg"
892 --disable-blobs) meson_option_parse --disable-install-blobs ""
894 --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc
896 --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc
898 # everything else has the same name in configure and meson
899 --*) meson_option_parse "$opt" "$optarg"
901 esac
902 done
904 # test for any invalid configuration combinations
905 if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
906 error_exit "Can't enable plugins on non-TCG builds"
909 case $git_submodules_action in
910 update|validate)
911 if test ! -e "$source_path/.git"; then
912 echo "ERROR: cannot $git_submodules_action git submodules without .git"
913 exit 1
916 ignore)
917 if ! test -f "$source_path/ui/keycodemapdb/README"
918 then
919 echo
920 echo "ERROR: missing GIT submodules"
921 echo
922 if test -e "$source_path/.git"; then
923 echo "--with-git-submodules=ignore specified but submodules were not"
924 echo "checked out. Please initialize and update submodules."
925 else
926 echo "This is not a GIT checkout but module content appears to"
927 echo "be missing. Do not use 'git archive' or GitHub download links"
928 echo "to acquire QEMU source archives. Non-GIT builds are only"
929 echo "supported with source archives linked from:"
930 echo
931 echo " https://www.qemu.org/download/#source"
932 echo
933 echo "Developers working with GIT can use scripts/archive-source.sh"
934 echo "if they need to create valid source archives."
936 echo
937 exit 1
941 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'"
942 exit 1
944 esac
946 if eval test -z "\${cross_cc_$cpu}"; then
947 eval "cross_cc_${cpu}=\$cc"
948 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
951 default_target_list=""
952 mak_wilds=""
954 if [ "$linux_user" != no ]; then
955 if [ "$targetos" = linux ] && [ -d $source_path/linux-user/include/host/$cpu ]; then
956 linux_user=yes
957 elif [ "$linux_user" = yes ]; then
958 error_exit "linux-user not supported on this architecture"
961 if [ "$bsd_user" != no ]; then
962 if [ "$bsd_user" = "" ]; then
963 test $targetos = freebsd && bsd_user=yes
965 if [ "$bsd_user" = yes ] && ! [ -d $source_path/bsd-user/$targetos ]; then
966 error_exit "bsd-user not supported on this host OS"
969 if [ "$softmmu" = "yes" ]; then
970 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
972 if [ "$linux_user" = "yes" ]; then
973 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
975 if [ "$bsd_user" = "yes" ]; then
976 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
979 for config in $mak_wilds; do
980 target="$(basename "$config" .mak)"
981 if echo "$target_list_exclude" | grep -vq "$target"; then
982 default_target_list="${default_target_list} $target"
984 done
986 if test x"$show_help" = x"yes" ; then
987 cat << EOF
989 Usage: configure [options]
990 Options: [defaults in brackets after descriptions]
992 Standard options:
993 --help print this message
994 --prefix=PREFIX install in PREFIX [$prefix]
995 --target-list=LIST set target list (default: build all)
996 $(echo Available targets: $default_target_list | \
997 fold -s -w 53 | sed -e 's/^/ /')
998 --target-list-exclude=LIST exclude a set of targets from the default target-list
1000 Advanced options (experts only):
1001 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
1002 --cc=CC use C compiler CC [$cc]
1003 --host-cc=CC use C compiler CC [$host_cc] for code run at
1004 build time
1005 --cxx=CXX use C++ compiler CXX [$cxx]
1006 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
1007 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS
1008 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
1009 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
1010 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
1011 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
1012 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests
1013 --make=MAKE use specified make [$make]
1014 --python=PYTHON use specified python [$python]
1015 --meson=MESON use specified meson [$meson]
1016 --ninja=NINJA use specified ninja [$ninja]
1017 --smbd=SMBD use specified smbd [$smbd]
1018 --with-git=GIT use specified git [$git]
1019 --with-git-submodules=update update git submodules (default if .git dir exists)
1020 --with-git-submodules=validate fail if git submodules are not up to date
1021 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir)
1022 --static enable static build [$static]
1023 --bindir=PATH install binaries in PATH
1024 --efi-aarch64=PATH PATH of efi file to use for aarch64 VMs.
1025 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
1026 --without-default-features default all --enable-* options to "disabled"
1027 --without-default-devices do not include any device that is not needed to
1028 start the emulator (only use if you are including
1029 desired devices in configs/devices/)
1030 --with-devices-ARCH=NAME override default configs/devices
1031 --enable-debug enable common debug build options
1032 --enable-sanitizers enable default sanitizers
1033 --enable-tsan enable thread sanitizer
1034 --disable-werror disable compilation abort on warning
1035 --disable-stack-protector disable compiler-provided stack protection
1036 --cpu=CPU Build for host CPU [$cpu]
1037 --with-coroutine=BACKEND coroutine backend. Supported options:
1038 ucontext, sigaltstack, windows
1039 --enable-plugins
1040 enable plugins via shared library loading
1041 --disable-containers don't use containers for cross-building
1042 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
1044 meson_options_help
1045 cat << EOF
1046 system all system emulation targets
1047 user supported user emulation targets
1048 linux-user all linux usermode emulation targets
1049 bsd-user all BSD usermode emulation targets
1050 pie Position Independent Executables
1051 modules modules support (non-Windows)
1052 debug-tcg TCG debugging (default is disabled)
1053 debug-info debugging information
1054 safe-stack SafeStack Stack Smash Protection. Depends on
1055 clang/llvm >= 3.7 and requires coroutine backend ucontext.
1057 NOTE: The object files are built at the place where configure is launched
1059 exit 0
1062 # Remove old dependency files to make sure that they get properly regenerated
1063 rm -f */config-devices.mak.d
1065 if test -z "$python"
1066 then
1067 error_exit "Python not found. Use --python=/path/to/python"
1069 if ! has "$make"
1070 then
1071 error_exit "GNU make ($make) not found"
1074 # Note that if the Python conditional here evaluates True we will exit
1075 # with status 1 which is a shell 'false' value.
1076 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
1077 error_exit "Cannot use '$python', Python >= 3.6 is required." \
1078 "Use --python=/path/to/python to specify a supported Python."
1081 # Preserve python version since some functionality is dependent on it
1082 python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null)
1084 # Suppress writing compiled files
1085 python="$python -B"
1087 if test -z "$meson"; then
1088 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.59.3; then
1089 meson=meson
1090 elif test $git_submodules_action != 'ignore' ; then
1091 meson=git
1092 elif test -e "${source_path}/meson/meson.py" ; then
1093 meson=internal
1094 else
1095 if test "$explicit_python" = yes; then
1096 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1097 else
1098 error_exit "Meson not found. Use --meson=/path/to/meson"
1101 else
1102 # Meson uses its own Python interpreter to invoke other Python scripts,
1103 # but the user wants to use the one they specified with --python.
1105 # We do not want to override the distro Python interpreter (and sometimes
1106 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1107 # just require --meson=git|internal together with --python.
1108 if test "$explicit_python" = yes; then
1109 case "$meson" in
1110 git | internal) ;;
1111 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1112 esac
1116 if test "$meson" = git; then
1117 git_submodules="${git_submodules} meson"
1120 case "$meson" in
1121 git | internal)
1122 meson="$python ${source_path}/meson/meson.py"
1124 *) meson=$(command -v "$meson") ;;
1125 esac
1127 # Probe for ninja
1129 if test -z "$ninja"; then
1130 for c in ninja ninja-build samu; do
1131 if has $c; then
1132 ninja=$(command -v "$c")
1133 break
1135 done
1136 if test -z "$ninja"; then
1137 error_exit "Cannot find Ninja"
1141 # Check that the C compiler works. Doing this here before testing
1142 # the host CPU ensures that we had a valid CC to autodetect the
1143 # $cpu var (and we should bail right here if that's not the case).
1144 # It also allows the help message to be printed without a CC.
1145 write_c_skeleton;
1146 if compile_object ; then
1147 : C compiler works ok
1148 else
1149 error_exit "\"$cc\" either does not exist or does not work"
1151 if ! compile_prog ; then
1152 error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1155 # Consult white-list to determine whether to enable werror
1156 # by default. Only enable by default for git builds
1157 if test -z "$werror" ; then
1158 if test "$git_submodules_action" != "ignore" && \
1159 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1160 werror="yes"
1161 else
1162 werror="no"
1166 if test "$targetos" = "bogus"; then
1167 # Now that we know that we're not printing the help and that
1168 # the compiler works (so the results of the check_defines we used
1169 # to identify the OS are reliable), if we didn't recognize the
1170 # host OS we should stop now.
1171 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1174 # Check whether the compiler matches our minimum requirements:
1175 cat > $TMPC << EOF
1176 #if defined(__clang_major__) && defined(__clang_minor__)
1177 # ifdef __apple_build_version__
1178 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
1179 # error You need at least XCode Clang v10.0 to compile QEMU
1180 # endif
1181 # else
1182 # if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0)
1183 # error You need at least Clang v6.0 to compile QEMU
1184 # endif
1185 # endif
1186 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1187 # if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4)
1188 # error You need at least GCC v7.4.0 to compile QEMU
1189 # endif
1190 #else
1191 # error You either need GCC or Clang to compiler QEMU
1192 #endif
1193 int main (void) { return 0; }
1195 if ! compile_prog "" "" ; then
1196 error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)"
1199 # Accumulate -Wfoo and -Wno-bar separately.
1200 # We will list all of the enable flags first, and the disable flags second.
1201 # Note that we do not add -Werror, because that would enable it for all
1202 # configure tests. If a configure test failed due to -Werror this would
1203 # just silently disable some features, so it's too error prone.
1205 warn_flags=
1206 add_to warn_flags -Wold-style-declaration
1207 add_to warn_flags -Wold-style-definition
1208 add_to warn_flags -Wtype-limits
1209 add_to warn_flags -Wformat-security
1210 add_to warn_flags -Wformat-y2k
1211 add_to warn_flags -Winit-self
1212 add_to warn_flags -Wignored-qualifiers
1213 add_to warn_flags -Wempty-body
1214 add_to warn_flags -Wnested-externs
1215 add_to warn_flags -Wendif-labels
1216 add_to warn_flags -Wexpansion-to-defined
1217 add_to warn_flags -Wimplicit-fallthrough=2
1219 nowarn_flags=
1220 add_to nowarn_flags -Wno-initializer-overrides
1221 add_to nowarn_flags -Wno-missing-include-dirs
1222 add_to nowarn_flags -Wno-shift-negative-value
1223 add_to nowarn_flags -Wno-string-plus-int
1224 add_to nowarn_flags -Wno-typedef-redefinition
1225 add_to nowarn_flags -Wno-tautological-type-limit-compare
1226 add_to nowarn_flags -Wno-psabi
1228 gcc_flags="$warn_flags $nowarn_flags"
1230 cc_has_warning_flag() {
1231 write_c_skeleton;
1233 # Use the positive sense of the flag when testing for -Wno-wombat
1234 # support (gcc will happily accept the -Wno- form of unknown
1235 # warning options).
1236 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1237 compile_prog "-Werror $optflag" ""
1240 objcc_has_warning_flag() {
1241 cat > $TMPM <<EOF
1242 int main(void) { return 0; }
1245 # Use the positive sense of the flag when testing for -Wno-wombat
1246 # support (gcc will happily accept the -Wno- form of unknown
1247 # warning options).
1248 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1249 do_objc -Werror $optflag \
1250 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \
1251 -o $TMPE $TMPM $QEMU_LDFLAGS
1254 for flag in $gcc_flags; do
1255 if cc_has_warning_flag $flag ; then
1256 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1258 if objcc_has_warning_flag $flag ; then
1259 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag"
1261 done
1263 if test "$stack_protector" != "no"; then
1264 cat > $TMPC << EOF
1265 int main(int argc, char *argv[])
1267 char arr[64], *p = arr, *c = argv[0];
1268 while (*c) {
1269 *p++ = *c++;
1271 return 0;
1274 gcc_flags="-fstack-protector-strong -fstack-protector-all"
1275 sp_on=0
1276 for flag in $gcc_flags; do
1277 # We need to check both a compile and a link, since some compiler
1278 # setups fail only on a .c->.o compile and some only at link time
1279 if compile_object "-Werror $flag" &&
1280 compile_prog "-Werror $flag" ""; then
1281 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1282 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1283 sp_on=1
1284 break
1286 done
1287 if test "$stack_protector" = yes; then
1288 if test $sp_on = 0; then
1289 error_exit "Stack protector not supported"
1294 # Disable -Wmissing-braces on older compilers that warn even for
1295 # the "universal" C zero initializer {0}.
1296 cat > $TMPC << EOF
1297 struct {
1298 int a[2];
1299 } x = {0};
1301 if compile_object "-Werror" "" ; then
1303 else
1304 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1307 # Our module code doesn't support Windows
1308 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
1309 error_exit "Modules are not available for Windows"
1312 # Static linking is not possible with plugins, modules or PIE
1313 if test "$static" = "yes" ; then
1314 if test "$modules" = "yes" ; then
1315 error_exit "static and modules are mutually incompatible"
1317 if test "$plugins" = "yes"; then
1318 error_exit "static and plugins are mutually incompatible"
1319 else
1320 plugins="no"
1323 test "$plugins" = "" && plugins=yes
1325 cat > $TMPC << EOF
1327 #ifdef __linux__
1328 # define THREAD __thread
1329 #else
1330 # define THREAD
1331 #endif
1332 static THREAD int tls_var;
1333 int main(void) { return tls_var; }
1336 # Check we support -fno-pie and -no-pie first; we will need the former for
1337 # building ROMs, and both for everything if --disable-pie is passed.
1338 if compile_prog "-Werror -fno-pie" "-no-pie"; then
1339 CFLAGS_NOPIE="-fno-pie"
1340 LDFLAGS_NOPIE="-no-pie"
1343 if test "$static" = "yes"; then
1344 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1345 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
1346 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
1347 pie="yes"
1348 elif test "$pie" = "yes"; then
1349 error_exit "-static-pie not available due to missing toolchain support"
1350 else
1351 QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
1352 pie="no"
1354 elif test "$pie" = "no"; then
1355 CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS"
1356 CONFIGURE_LDFLAGS="$LDFLAGS_NOPIE $CONFIGURE_LDFLAGS"
1357 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1358 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
1359 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
1360 pie="yes"
1361 elif test "$pie" = "yes"; then
1362 error_exit "PIE not available due to missing toolchain support"
1363 else
1364 echo "Disabling PIE due to missing toolchain support"
1365 pie="no"
1368 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
1369 # The combination is known as "full relro", because .got.plt is read-only too.
1370 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1371 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
1374 ##########################################
1375 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1376 # use i686 as default anyway, but for those that don't, an explicit
1377 # specification is necessary
1379 if test "$cpu" = "i386"; then
1380 cat > $TMPC << EOF
1381 static int sfaa(int *ptr)
1383 return __sync_fetch_and_and(ptr, 0);
1386 int main(void)
1388 int val = 42;
1389 val = __sync_val_compare_and_swap(&val, 0, 1);
1390 sfaa(&val);
1391 return val;
1394 if ! compile_prog "" "" ; then
1395 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1399 if test "$tcg" = "enabled"; then
1400 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
1401 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
1404 if test -z "${target_list+xxx}" ; then
1405 default_targets=yes
1406 for target in $default_target_list; do
1407 target_list="$target_list $target"
1408 done
1409 target_list="${target_list# }"
1410 else
1411 default_targets=no
1412 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1413 for target in $target_list; do
1414 # Check that we recognised the target name; this allows a more
1415 # friendly error message than if we let it fall through.
1416 case " $default_target_list " in
1417 *" $target "*)
1420 error_exit "Unknown target name '$target'"
1422 esac
1423 done
1426 # see if system emulation was really requested
1427 case " $target_list " in
1428 *"-softmmu "*) softmmu=yes
1430 *) softmmu=no
1432 esac
1434 feature_not_found() {
1435 feature=$1
1436 remedy=$2
1438 error_exit "User requested feature $feature" \
1439 "configure was not able to find it." \
1440 "$remedy"
1443 # ---
1444 # big/little endian test
1445 cat > $TMPC << EOF
1446 #include <stdio.h>
1447 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1448 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
1449 int main(int argc, char *argv[])
1451 return printf("%s %s\n", (char *)big_endian, (char *)little_endian);
1455 if compile_prog ; then
1456 if strings -a $TMPE | grep -q BiGeNdIaN ; then
1457 bigendian="yes"
1458 elif strings -a $TMPE | grep -q LiTtLeEnDiAn ; then
1459 bigendian="no"
1460 else
1461 echo big/little test failed
1462 exit 1
1464 else
1465 echo big/little test failed
1466 exit 1
1469 ##########################################
1470 # pkg-config probe
1472 if ! has "$pkg_config_exe"; then
1473 error_exit "pkg-config binary '$pkg_config_exe' not found"
1476 ##########################################
1477 # glib support probe
1479 # When bumping glib_req_ver, please check also whether we should increase
1480 # the _WIN32_WINNT setting in osdep.h according to the value from glib
1481 glib_req_ver=2.56
1482 glib_modules=gthread-2.0
1483 if test "$modules" = yes; then
1484 glib_modules="$glib_modules gmodule-export-2.0"
1485 elif test "$plugins" = "yes"; then
1486 glib_modules="$glib_modules gmodule-no-export-2.0"
1489 for i in $glib_modules; do
1490 if $pkg_config --atleast-version=$glib_req_ver $i; then
1491 glib_cflags=$($pkg_config --cflags $i)
1492 glib_libs=$($pkg_config --libs $i)
1493 else
1494 error_exit "glib-$glib_req_ver $i is required to compile QEMU"
1496 done
1498 # This workaround is required due to a bug in pkg-config file for glib as it
1499 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
1501 if test "$static" = yes && test "$mingw32" = yes; then
1502 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
1505 # Sanity check that the current size_t matches the
1506 # size that glib thinks it should be. This catches
1507 # problems on multi-arch where people try to build
1508 # 32-bit QEMU while pointing at 64-bit glib headers
1509 cat > $TMPC <<EOF
1510 #include <glib.h>
1511 #include <unistd.h>
1513 #define QEMU_BUILD_BUG_ON(x) \
1514 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
1516 int main(void) {
1517 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
1518 return 0;
1522 if ! compile_prog "$glib_cflags" "$glib_libs" ; then
1523 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
1524 "You probably need to set PKG_CONFIG_LIBDIR"\
1525 "to point to the right pkg-config files for your"\
1526 "build target"
1529 # Silence clang warnings triggered by glib < 2.57.2
1530 cat > $TMPC << EOF
1531 #include <glib.h>
1532 typedef struct Foo {
1533 int i;
1534 } Foo;
1535 static void foo_free(Foo *f)
1537 g_free(f);
1539 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
1540 int main(void) { return 0; }
1542 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
1543 if cc_has_warning_flag "-Wno-unused-function"; then
1544 glib_cflags="$glib_cflags -Wno-unused-function"
1545 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
1549 ##########################################
1550 # fdt probe
1552 case "$fdt" in
1553 auto | enabled | internal)
1554 # Simpler to always update submodule, even if not needed.
1555 git_submodules="${git_submodules} dtc"
1557 esac
1559 ##########################################
1560 # check and set a backend for coroutine
1562 # We prefer ucontext, but it's not always possible. The fallback
1563 # is sigcontext. On Windows the only valid backend is the Windows
1564 # specific one.
1566 ucontext_works=no
1567 if test "$darwin" != "yes"; then
1568 cat > $TMPC << EOF
1569 #include <ucontext.h>
1570 #ifdef __stub_makecontext
1571 #error Ignoring glibc stub makecontext which will always fail
1572 #endif
1573 int main(void) { makecontext(0, 0, 0); return 0; }
1575 if compile_prog "" "" ; then
1576 ucontext_works=yes
1580 if test "$coroutine" = ""; then
1581 if test "$mingw32" = "yes"; then
1582 coroutine=win32
1583 elif test "$ucontext_works" = "yes"; then
1584 coroutine=ucontext
1585 else
1586 coroutine=sigaltstack
1588 else
1589 case $coroutine in
1590 windows)
1591 if test "$mingw32" != "yes"; then
1592 error_exit "'windows' coroutine backend only valid for Windows"
1594 # Unfortunately the user visible backend name doesn't match the
1595 # coroutine-*.c filename for this case, so we have to adjust it here.
1596 coroutine=win32
1598 ucontext)
1599 if test "$ucontext_works" != "yes"; then
1600 feature_not_found "ucontext"
1603 sigaltstack)
1604 if test "$mingw32" = "yes"; then
1605 error_exit "only the 'windows' coroutine backend is valid for Windows"
1609 error_exit "unknown coroutine backend $coroutine"
1611 esac
1614 ##################################################
1615 # SafeStack
1618 if test "$safe_stack" = "yes"; then
1619 cat > $TMPC << EOF
1620 int main(int argc, char *argv[])
1622 #if ! __has_feature(safe_stack)
1623 #error SafeStack Disabled
1624 #endif
1625 return 0;
1628 flag="-fsanitize=safe-stack"
1629 # Check that safe-stack is supported and enabled.
1630 if compile_prog "-Werror $flag" "$flag"; then
1631 # Flag needed both at compilation and at linking
1632 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1633 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1634 else
1635 error_exit "SafeStack not supported by your compiler"
1637 if test "$coroutine" != "ucontext"; then
1638 error_exit "SafeStack is only supported by the coroutine backend ucontext"
1640 else
1641 cat > $TMPC << EOF
1642 int main(int argc, char *argv[])
1644 #if defined(__has_feature)
1645 #if __has_feature(safe_stack)
1646 #error SafeStack Enabled
1647 #endif
1648 #endif
1649 return 0;
1652 if test "$safe_stack" = "no"; then
1653 # Make sure that safe-stack is disabled
1654 if ! compile_prog "-Werror" ""; then
1655 # SafeStack was already enabled, try to explicitly remove the feature
1656 flag="-fno-sanitize=safe-stack"
1657 if ! compile_prog "-Werror $flag" "$flag"; then
1658 error_exit "Configure cannot disable SafeStack"
1660 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1661 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1663 else # "$safe_stack" = ""
1664 # Set safe_stack to yes or no based on pre-existing flags
1665 if compile_prog "-Werror" ""; then
1666 safe_stack="no"
1667 else
1668 safe_stack="yes"
1669 if test "$coroutine" != "ucontext"; then
1670 error_exit "SafeStack is only supported by the coroutine backend ucontext"
1676 ########################################
1677 # check if ccache is interfering with
1678 # semantic analysis of macros
1680 unset CCACHE_CPP2
1681 ccache_cpp2=no
1682 cat > $TMPC << EOF
1683 static const int Z = 1;
1684 #define fn() ({ Z; })
1685 #define TAUT(X) ((X) == Z)
1686 #define PAREN(X, Y) (X == Y)
1687 #define ID(X) (X)
1688 int main(int argc, char *argv[])
1690 int x = 0, y = 0;
1691 x = ID(x);
1692 x = fn();
1693 fn();
1694 if (PAREN(x, y)) return 0;
1695 if (TAUT(Z)) return 0;
1696 return 0;
1700 if ! compile_object "-Werror"; then
1701 ccache_cpp2=yes
1704 #################################################
1705 # clang does not support glibc + FORTIFY_SOURCE.
1707 if test "$fortify_source" != "no"; then
1708 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
1709 fortify_source="no";
1710 elif test -n "$cxx" && has $cxx &&
1711 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
1712 fortify_source="no";
1713 else
1714 fortify_source="yes"
1718 ##########################################
1719 # checks for sanitizers
1721 have_asan=no
1722 have_ubsan=no
1723 have_asan_iface_h=no
1724 have_asan_iface_fiber=no
1726 if test "$sanitizers" = "yes" ; then
1727 write_c_skeleton
1728 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
1729 have_asan=yes
1732 # we could use a simple skeleton for flags checks, but this also
1733 # detect the static linking issue of ubsan, see also:
1734 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
1735 cat > $TMPC << EOF
1736 #include <stdlib.h>
1737 int main(void) {
1738 void *tmp = malloc(10);
1739 if (tmp != NULL) {
1740 return *(int *)(tmp + 2);
1742 return 1;
1745 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
1746 have_ubsan=yes
1749 if check_include "sanitizer/asan_interface.h" ; then
1750 have_asan_iface_h=yes
1753 cat > $TMPC << EOF
1754 #include <sanitizer/asan_interface.h>
1755 int main(void) {
1756 __sanitizer_start_switch_fiber(0, 0, 0);
1757 return 0;
1760 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
1761 have_asan_iface_fiber=yes
1765 # Thread sanitizer is, for now, much noisier than the other sanitizers;
1766 # keep it separate until that is not the case.
1767 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
1768 error_exit "TSAN is not supported with other sanitiziers."
1770 have_tsan=no
1771 have_tsan_iface_fiber=no
1772 if test "$tsan" = "yes" ; then
1773 write_c_skeleton
1774 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
1775 have_tsan=yes
1777 cat > $TMPC << EOF
1778 #include <sanitizer/tsan_interface.h>
1779 int main(void) {
1780 __tsan_create_fiber(0);
1781 return 0;
1784 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
1785 have_tsan_iface_fiber=yes
1789 ##########################################
1790 # check for slirp
1792 case "$slirp" in
1793 auto | enabled | internal)
1794 # Simpler to always update submodule, even if not needed.
1795 git_submodules="${git_submodules} slirp"
1797 esac
1799 ##########################################
1800 # End of CC checks
1801 # After here, no more $cc or $ld runs
1803 write_c_skeleton
1805 if test "$fortify_source" = "yes" ; then
1806 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
1809 case "$ARCH" in
1810 alpha)
1811 # Ensure there's only a single GP
1812 QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
1814 esac
1816 if test "$have_asan" = "yes"; then
1817 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
1818 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
1819 if test "$have_asan_iface_h" = "no" ; then
1820 echo "ASAN build enabled, but ASAN header missing." \
1821 "Without code annotation, the report may be inferior."
1822 elif test "$have_asan_iface_fiber" = "no" ; then
1823 echo "ASAN build enabled, but ASAN header is too old." \
1824 "Without code annotation, the report may be inferior."
1827 if test "$have_tsan" = "yes" ; then
1828 if test "$have_tsan_iface_fiber" = "yes" ; then
1829 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
1830 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
1831 else
1832 error_exit "Cannot enable TSAN due to missing fiber annotation interface."
1834 elif test "$tsan" = "yes" ; then
1835 error_exit "Cannot enable TSAN due to missing sanitize thread interface."
1837 if test "$have_ubsan" = "yes"; then
1838 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
1839 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
1842 ##########################################
1844 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
1845 if test "$solaris" = "no" && test "$tsan" = "no"; then
1846 if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
1847 QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
1851 # Guest agent Windows MSI package
1853 if test "$QEMU_GA_MANUFACTURER" = ""; then
1854 QEMU_GA_MANUFACTURER=QEMU
1856 if test "$QEMU_GA_DISTRO" = ""; then
1857 QEMU_GA_DISTRO=Linux
1859 if test "$QEMU_GA_VERSION" = ""; then
1860 QEMU_GA_VERSION=$(cat $source_path/VERSION)
1863 QEMU_GA_MSI_MINGW_BIN_PATH="$($pkg_config --variable=prefix glib-2.0)/bin"
1865 # Mac OS X ships with a broken assembler
1866 roms=
1867 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
1868 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
1869 test "$targetos" != "haiku" && test "$softmmu" = yes ; then
1870 # Different host OS linkers have different ideas about the name of the ELF
1871 # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
1872 # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
1873 for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
1874 if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
1875 ld_i386_emulation="$emu"
1876 roms="optionrom"
1877 break
1879 done
1882 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
1883 # or -march=z10 (which is the lowest architecture level that Clang supports)
1884 if test "$cpu" = "s390x" ; then
1885 write_c_skeleton
1886 compile_prog "-march=z900" ""
1887 has_z900=$?
1888 if [ $has_z900 = 0 ] || compile_object "-march=z10 -msoft-float -Werror"; then
1889 if [ $has_z900 != 0 ]; then
1890 echo "WARNING: Your compiler does not support the z900!"
1891 echo " The s390-ccw bios will only work with guest CPUs >= z10."
1893 roms="$roms s390-ccw"
1894 # SLOF is required for building the s390-ccw firmware on s390x,
1895 # since it is using the libnet code from SLOF for network booting.
1896 git_submodules="${git_submodules} roms/SLOF"
1900 # Check that the C++ compiler exists and works with the C compiler.
1901 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
1902 if has $cxx; then
1903 cat > $TMPC <<EOF
1904 int c_function(void);
1905 int main(void) { return c_function(); }
1908 compile_object
1910 cat > $TMPCXX <<EOF
1911 extern "C" {
1912 int c_function(void);
1914 int c_function(void) { return 42; }
1917 update_cxxflags
1919 if do_cxx $CXXFLAGS $EXTRA_CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
1920 # C++ compiler $cxx works ok with C compiler $cc
1922 else
1923 echo "C++ compiler $cxx does not work with C compiler $cc"
1924 echo "Disabling C++ specific optional code"
1925 cxx=
1927 else
1928 echo "No C++ compiler available; disabling C++ specific optional code"
1929 cxx=
1932 if !(GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then
1933 exit 1
1936 config_host_mak="config-host.mak"
1938 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1939 echo >> $config_host_mak
1941 echo all: >> $config_host_mak
1942 echo "GIT=$git" >> $config_host_mak
1943 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
1944 echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak
1946 if test "$debug_tcg" = "yes" ; then
1947 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
1949 if test "$mingw32" = "yes" ; then
1950 echo "CONFIG_WIN32=y" >> $config_host_mak
1951 echo "QEMU_GA_MSI_MINGW_BIN_PATH=${QEMU_GA_MSI_MINGW_BIN_PATH}" >> $config_host_mak
1952 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
1953 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
1954 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
1955 else
1956 echo "CONFIG_POSIX=y" >> $config_host_mak
1959 if test "$linux" = "yes" ; then
1960 echo "CONFIG_LINUX=y" >> $config_host_mak
1963 if test "$darwin" = "yes" ; then
1964 echo "CONFIG_DARWIN=y" >> $config_host_mak
1967 if test "$solaris" = "yes" ; then
1968 echo "CONFIG_SOLARIS=y" >> $config_host_mak
1970 if test "$static" = "yes" ; then
1971 echo "CONFIG_STATIC=y" >> $config_host_mak
1973 echo "SRC_PATH=$source_path" >> $config_host_mak
1974 echo "TARGET_DIRS=$target_list" >> $config_host_mak
1975 if test "$modules" = "yes"; then
1976 echo "CONFIG_MODULES=y" >> $config_host_mak
1979 # XXX: suppress that
1980 if [ "$bsd" = "yes" ] ; then
1981 echo "CONFIG_BSD=y" >> $config_host_mak
1984 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
1986 if test "$have_asan_iface_fiber" = "yes" ; then
1987 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
1990 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
1991 echo "CONFIG_TSAN=y" >> $config_host_mak
1994 if test "$plugins" = "yes" ; then
1995 echo "CONFIG_PLUGIN=y" >> $config_host_mak
1998 if test -n "$gdb_bin"; then
1999 gdb_version=$($gdb_bin --version | head -n 1)
2000 if version_ge ${gdb_version##* } 9.1; then
2001 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
2005 echo "ROMS=$roms" >> $config_host_mak
2006 echo "MAKE=$make" >> $config_host_mak
2007 echo "PYTHON=$python" >> $config_host_mak
2008 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
2009 echo "MESON=$meson" >> $config_host_mak
2010 echo "NINJA=$ninja" >> $config_host_mak
2011 echo "CC=$cc" >> $config_host_mak
2012 echo "AR=$ar" >> $config_host_mak
2013 echo "AS=$as" >> $config_host_mak
2014 echo "CCAS=$ccas" >> $config_host_mak
2015 echo "CPP=$cpp" >> $config_host_mak
2016 echo "OBJCOPY=$objcopy" >> $config_host_mak
2017 echo "LD=$ld" >> $config_host_mak
2018 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
2019 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
2020 echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak
2021 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
2022 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
2023 echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak
2024 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
2025 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
2026 echo "STRIP=$strip" >> $config_host_mak
2027 echo "EXESUF=$EXESUF" >> $config_host_mak
2029 # use included Linux headers
2030 if test "$linux" = "yes" ; then
2031 mkdir -p linux-headers
2032 case "$cpu" in
2033 i386|x86_64)
2034 linux_arch=x86
2036 ppc|ppc64)
2037 linux_arch=powerpc
2039 s390x)
2040 linux_arch=s390
2042 aarch64)
2043 linux_arch=arm64
2045 loongarch*)
2046 linux_arch=loongarch
2048 mips64)
2049 linux_arch=mips
2052 # For most CPUs the kernel architecture name and QEMU CPU name match.
2053 linux_arch="$cpu"
2055 esac
2056 # For non-KVM architectures we will not have asm headers
2057 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
2058 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
2062 for target in $target_list; do
2063 target_dir="$target"
2064 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
2065 mkdir -p $target_dir
2066 case $target in
2067 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
2068 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
2069 esac
2070 done
2072 if test "$default_targets" = "yes"; then
2073 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
2076 if test "$ccache_cpp2" = "yes"; then
2077 echo "export CCACHE_CPP2=y" >> $config_host_mak
2080 if test "$safe_stack" = "yes"; then
2081 echo "CONFIG_SAFESTACK=y" >> $config_host_mak
2084 # If we're using a separate build tree, set it up now.
2085 # LINKS are things to symlink back into the source tree
2086 # (these can be both files and directories).
2087 # Caution: do not add files or directories here using wildcards. This
2088 # will result in problems later if a new file matching the wildcard is
2089 # added to the source tree -- nothing will cause configure to be rerun
2090 # so the build tree will be missing the link back to the new file, and
2091 # tests might fail. Prefer to keep the relevant files in their own
2092 # directory and symlink the directory instead.
2093 LINKS="Makefile"
2094 LINKS="$LINKS tests/tcg/Makefile.target"
2095 LINKS="$LINKS pc-bios/optionrom/Makefile"
2096 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
2097 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
2098 LINKS="$LINKS tests/avocado tests/data"
2099 LINKS="$LINKS tests/qemu-iotests/check"
2100 LINKS="$LINKS python"
2101 LINKS="$LINKS contrib/plugins/Makefile "
2102 for bios_file in \
2103 $source_path/pc-bios/*.bin \
2104 $source_path/pc-bios/*.elf \
2105 $source_path/pc-bios/*.lid \
2106 $source_path/pc-bios/*.rom \
2107 $source_path/pc-bios/*.dtb \
2108 $source_path/pc-bios/*.img \
2109 $source_path/pc-bios/openbios-* \
2110 $source_path/pc-bios/u-boot.* \
2111 $source_path/pc-bios/palcode-* \
2112 $source_path/pc-bios/qemu_vga.ndrv
2115 LINKS="$LINKS pc-bios/$(basename $bios_file)"
2116 done
2117 for f in $LINKS ; do
2118 if [ -e "$source_path/$f" ]; then
2119 mkdir -p `dirname ./$f`
2120 symlink "$source_path/$f" "$f"
2122 done
2124 (for i in $cross_cc_vars; do
2125 export $i
2126 done
2127 export target_list source_path use_containers cpu host_cc
2128 $source_path/tests/tcg/configure.sh)
2130 config_mak=pc-bios/optionrom/config.mak
2131 echo "# Automatically generated by configure - do not modify" > $config_mak
2132 echo "TOPSRC_DIR=$source_path" >> $config_mak
2134 if test "$skip_meson" = no; then
2135 cross="config-meson.cross.new"
2136 meson_quote() {
2137 test $# = 0 && return
2138 echo "'$(echo $* | sed "s/ /','/g")'"
2141 echo "# Automatically generated by configure - do not modify" > $cross
2142 echo "[properties]" >> $cross
2144 # unroll any custom device configs
2145 for a in $device_archs; do
2146 eval "c=\$devices_${a}"
2147 echo "${a}-softmmu = '$c'" >> $cross
2148 done
2150 test -z "$cxx" && echo "link_language = 'c'" >> $cross
2151 echo "[built-in options]" >> $cross
2152 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
2153 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
2154 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
2155 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
2156 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
2157 echo "[binaries]" >> $cross
2158 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
2159 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
2160 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
2161 echo "ar = [$(meson_quote $ar)]" >> $cross
2162 echo "nm = [$(meson_quote $nm)]" >> $cross
2163 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross
2164 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
2165 if has $sdl2_config; then
2166 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
2168 echo "strip = [$(meson_quote $strip)]" >> $cross
2169 echo "widl = [$(meson_quote $widl)]" >> $cross
2170 echo "windres = [$(meson_quote $windres)]" >> $cross
2171 if test "$cross_compile" = "yes"; then
2172 cross_arg="--cross-file config-meson.cross"
2173 echo "[host_machine]" >> $cross
2174 echo "system = '$targetos'" >> $cross
2175 case "$cpu" in
2176 i386)
2177 echo "cpu_family = 'x86'" >> $cross
2180 echo "cpu_family = '$cpu'" >> $cross
2182 esac
2183 echo "cpu = '$cpu'" >> $cross
2184 if test "$bigendian" = "yes" ; then
2185 echo "endian = 'big'" >> $cross
2186 else
2187 echo "endian = 'little'" >> $cross
2189 else
2190 cross_arg="--native-file config-meson.cross"
2192 mv $cross config-meson.cross
2194 rm -rf meson-private meson-info meson-logs
2196 # Built-in options
2197 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
2198 test "$default_feature" = no && meson_option_add -Dauto_features=disabled
2199 test "$pie" = no && meson_option_add -Db_pie=false
2200 test "$werror" = yes && meson_option_add -Dwerror=true
2202 # QEMU options
2203 test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
2204 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt"
2205 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
2206 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
2207 test "$slirp" != auto && meson_option_add "-Dslirp=$slirp"
2208 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
2209 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
2210 run_meson() {
2211 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
2213 eval run_meson $meson_options
2214 if test "$?" -ne 0 ; then
2215 error_exit "meson setup failed"
2217 else
2218 if test -f meson-private/cmd_line.txt; then
2219 # Adjust old command line options whose type was changed
2220 # Avoids having to use "setup --wipe" when Meson is upgraded
2221 perl -i -ne '
2222 s/^gettext = true$/gettext = auto/;
2223 s/^gettext = false$/gettext = disabled/;
2224 /^b_staticpic/ && next;
2225 print;' meson-private/cmd_line.txt
2229 # Save the configure command line for later reuse.
2230 cat <<EOD >config.status
2231 #!/bin/sh
2232 # Generated by configure.
2233 # Run this file to recreate the current configuration.
2234 # Compiler output produced by configure, useful for debugging
2235 # configure, is in config.log if it exists.
2238 preserve_env() {
2239 envname=$1
2241 eval envval=\$$envname
2243 if test -n "$envval"
2244 then
2245 echo "$envname='$envval'" >> config.status
2246 echo "export $envname" >> config.status
2247 else
2248 echo "unset $envname" >> config.status
2252 # Preserve various env variables that influence what
2253 # features/build target configure will detect
2254 preserve_env AR
2255 preserve_env AS
2256 preserve_env CC
2257 preserve_env CPP
2258 preserve_env CFLAGS
2259 preserve_env CXX
2260 preserve_env CXXFLAGS
2261 preserve_env INSTALL
2262 preserve_env LD
2263 preserve_env LDFLAGS
2264 preserve_env LD_LIBRARY_PATH
2265 preserve_env LIBTOOL
2266 preserve_env MAKE
2267 preserve_env NM
2268 preserve_env OBJCOPY
2269 preserve_env PATH
2270 preserve_env PKG_CONFIG
2271 preserve_env PKG_CONFIG_LIBDIR
2272 preserve_env PKG_CONFIG_PATH
2273 preserve_env PYTHON
2274 preserve_env SDL2_CONFIG
2275 preserve_env SMBD
2276 preserve_env STRIP
2277 preserve_env WIDL
2278 preserve_env WINDRES
2280 printf "exec" >>config.status
2281 for i in "$0" "$@"; do
2282 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
2283 done
2284 echo ' "$@"' >>config.status
2285 chmod +x config.status
2287 rm -r "$TMPDIR1"