Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging
[qemu/ar7.git] / configure
blob847bc4d095753b454b5871c22fd21d37be646e0d
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}/${TMPB}.cxx"
80 TMPE="${TMPDIR1}/${TMPB}.exe"
81 TMPTXT="${TMPDIR1}/${TMPB}.txt"
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 local 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" "$@"
148 do_cxx() {
149 do_compiler "$cxx" "$@"
152 # Append $2 to the variable named $1, with space separation
153 add_to() {
154 eval $1=\${$1:+\"\$$1 \"}\$2
157 update_cxxflags() {
158 # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
159 # options which some versions of GCC's C++ compiler complain about
160 # because they only make sense for C programs.
161 QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
162 CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu99/-std=gnu++11/)
163 for arg in $QEMU_CFLAGS; do
164 case $arg in
165 -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
166 -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
169 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
171 esac
172 done
175 compile_object() {
176 local_cflags="$1"
177 do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
180 compile_prog() {
181 local_cflags="$1"
182 local_ldflags="$2"
183 do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \
184 $LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags
187 # symbolically link $1 to $2. Portable version of "ln -sf".
188 symlink() {
189 rm -rf "$2"
190 mkdir -p "$(dirname "$2")"
191 ln -s "$1" "$2"
194 # check whether a command is available to this shell (may be either an
195 # executable or a builtin)
196 has() {
197 type "$1" >/dev/null 2>&1
200 version_ge () {
201 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
202 local_ver2=$(echo "$2" | tr . ' ')
203 while true; do
204 set x $local_ver1
205 local_first=${2-0}
206 # 'shift 2' if $2 is set, or 'shift' if $2 is not set
207 shift ${2:+2}
208 local_ver1=$*
209 set x $local_ver2
210 # the second argument finished, the first must be greater or equal
211 test $# = 1 && return 0
212 test $local_first -lt $2 && return 1
213 test $local_first -gt $2 && return 0
214 shift ${2:+2}
215 local_ver2=$*
216 done
219 have_backend () {
220 echo "$trace_backends" | grep "$1" >/dev/null
223 glob() {
224 eval test -z '"${1#'"$2"'}"'
227 ld_has() {
228 $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
231 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
232 then
233 error_exit "main directory cannot contain spaces nor colons"
236 # default parameters
237 cpu=""
238 iasl="iasl"
239 interp_prefix="/usr/gnemul/qemu-%M"
240 static="no"
241 cross_compile="no"
242 cross_prefix=""
243 audio_drv_list=""
244 block_drv_rw_whitelist=""
245 block_drv_ro_whitelist=""
246 host_cc="cc"
247 audio_win_int=""
248 libs_qga=""
249 debug_info="yes"
250 lto="false"
251 stack_protector=""
252 safe_stack=""
253 use_containers="yes"
254 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
256 if test -e "$source_path/.git"
257 then
258 git_submodules_action="update"
259 git_submodules="ui/keycodemapdb"
260 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
261 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
262 else
263 git_submodules_action="ignore"
264 git_submodules=""
266 if ! test -f "$source_path/ui/keycodemapdb/README"
267 then
268 echo
269 echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
270 echo
271 echo "This is not a GIT checkout but module content appears to"
272 echo "be missing. Do not use 'git archive' or GitHub download links"
273 echo "to acquire QEMU source archives. Non-GIT builds are only"
274 echo "supported with source archives linked from:"
275 echo
276 echo " https://www.qemu.org/download/#source"
277 echo
278 echo "Developers working with GIT can use scripts/archive-source.sh"
279 echo "if they need to create valid source archives."
280 echo
281 exit 1
284 git="git"
286 # Don't accept a target_list environment variable.
287 unset target_list
288 unset target_list_exclude
290 # Default value for a variable defining feature "foo".
291 # * foo="no" feature will only be used if --enable-foo arg is given
292 # * foo="" feature will be searched for, and if found, will be used
293 # unless --disable-foo is given
294 # * foo="yes" this value will only be set by --enable-foo flag.
295 # feature will searched for,
296 # if not found, configure exits with error
298 # Always add --enable-foo and --disable-foo command line args.
299 # Distributions want to ensure that several features are compiled in, and it
300 # is impossible without a --enable-foo that exits if a feature is not found.
302 default_feature=""
303 # parse CC options second
304 for opt do
305 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
306 case "$opt" in
307 --without-default-features)
308 default_feature="no"
310 esac
311 done
313 brlapi="auto"
314 curl="auto"
315 iconv="auto"
316 curses="auto"
317 docs="auto"
318 fdt="auto"
319 netmap="no"
320 sdl="auto"
321 sdl_image="auto"
322 coreaudio="auto"
323 virtiofsd="auto"
324 virtfs="auto"
325 libudev="auto"
326 mpath="auto"
327 vnc="enabled"
328 sparse="auto"
329 vde="$default_feature"
330 vnc_sasl="auto"
331 vnc_jpeg="auto"
332 vnc_png="auto"
333 xkbcommon="auto"
334 xen="$default_feature"
335 xen_ctrl_version="$default_feature"
336 xen_pci_passthrough="auto"
337 linux_aio="$default_feature"
338 linux_io_uring="$default_feature"
339 cap_ng="auto"
340 attr="auto"
341 xfs="$default_feature"
342 tcg="enabled"
343 membarrier="$default_feature"
344 vhost_net="$default_feature"
345 vhost_crypto="$default_feature"
346 vhost_scsi="$default_feature"
347 vhost_vsock="$default_feature"
348 vhost_user="no"
349 vhost_user_blk_server="auto"
350 vhost_user_fs="$default_feature"
351 kvm="auto"
352 hax="auto"
353 hvf="auto"
354 whpx="auto"
355 rdma="$default_feature"
356 pvrdma="$default_feature"
357 gprof="no"
358 debug_tcg="no"
359 debug="no"
360 sanitizers="no"
361 tsan="no"
362 fortify_source="$default_feature"
363 strip_opt="yes"
364 tcg_interpreter="false"
365 bigendian="no"
366 mingw32="no"
367 gcov="no"
368 EXESUF="$default_feature"
369 HOST_DSOSUF=".so"
370 modules="no"
371 module_upgrades="no"
372 prefix="/usr/local"
373 qemu_suffix="qemu"
374 slirp="auto"
375 oss_lib=""
376 bsd="no"
377 linux="no"
378 solaris="no"
379 profiler="no"
380 cocoa="auto"
381 softmmu="yes"
382 linux_user="no"
383 bsd_user="no"
384 blobs="true"
385 pkgversion=""
386 pie=""
387 qom_cast_debug="yes"
388 trace_backends="log"
389 trace_file="trace"
390 spice="$default_feature"
391 rbd="auto"
392 smartcard="$default_feature"
393 u2f="auto"
394 libusb="$default_feature"
395 usb_redir="$default_feature"
396 opengl="$default_feature"
397 cpuid_h="no"
398 avx2_opt="$default_feature"
399 capstone="auto"
400 lzo="auto"
401 snappy="auto"
402 bzip2="auto"
403 lzfse="auto"
404 zstd="auto"
405 guest_agent="$default_feature"
406 guest_agent_with_vss="no"
407 guest_agent_ntddscsi="no"
408 guest_agent_msi="auto"
409 vss_win32_sdk="$default_feature"
410 win_sdk="no"
411 want_tools="$default_feature"
412 libiscsi="auto"
413 libnfs="auto"
414 coroutine=""
415 coroutine_pool="$default_feature"
416 debug_stack_usage="no"
417 crypto_afalg="no"
418 cfi="false"
419 cfi_debug="false"
420 seccomp="auto"
421 glusterfs="auto"
422 gtk="auto"
423 tls_priority="NORMAL"
424 gnutls="$default_feature"
425 nettle="$default_feature"
426 nettle_xts="no"
427 gcrypt="$default_feature"
428 gcrypt_hmac="no"
429 gcrypt_xts="no"
430 qemu_private_xts="yes"
431 auth_pam="$default_feature"
432 vte="$default_feature"
433 virglrenderer="$default_feature"
434 tpm="$default_feature"
435 libssh="$default_feature"
436 live_block_migration=${default_feature:-yes}
437 numa="$default_feature"
438 tcmalloc="no"
439 jemalloc="no"
440 replication=${default_feature:-yes}
441 bochs=${default_feature:-yes}
442 cloop=${default_feature:-yes}
443 dmg=${default_feature:-yes}
444 qcow1=${default_feature:-yes}
445 vdi=${default_feature:-yes}
446 vvfat=${default_feature:-yes}
447 qed=${default_feature:-yes}
448 parallels=${default_feature:-yes}
449 sheepdog="no"
450 libxml2="$default_feature"
451 debug_mutex="no"
452 libpmem="$default_feature"
453 default_devices="true"
454 plugins="no"
455 fuzzing="no"
456 rng_none="no"
457 secret_keyring="$default_feature"
458 libdaxctl="$default_feature"
459 meson=""
460 ninja=""
461 skip_meson=no
462 gettext="auto"
463 fuse="auto"
464 fuse_lseek="auto"
465 multiprocess="auto"
467 malloc_trim="auto"
468 gio="$default_feature"
470 # parse CC options second
471 for opt do
472 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
473 case "$opt" in
474 --cross-prefix=*) cross_prefix="$optarg"
475 cross_compile="yes"
477 --cc=*) CC="$optarg"
479 --cxx=*) CXX="$optarg"
481 --cpu=*) cpu="$optarg"
483 --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
484 QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
486 --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
488 --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
489 EXTRA_LDFLAGS="$optarg"
491 --enable-debug-info) debug_info="yes"
493 --disable-debug-info) debug_info="no"
495 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
497 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
498 eval "cross_cc_cflags_${cc_arch}=\$optarg"
499 cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
501 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
502 cc_archs="$cc_archs $cc_arch"
503 eval "cross_cc_${cc_arch}=\$optarg"
504 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
506 esac
507 done
508 # OS specific
509 # Using uname is really, really broken. Once we have the right set of checks
510 # we can eliminate its usage altogether.
512 # Preferred compiler:
513 # ${CC} (if set)
514 # ${cross_prefix}gcc (if cross-prefix specified)
515 # system compiler
516 if test -z "${CC}${cross_prefix}"; then
517 cc="$host_cc"
518 else
519 cc="${CC-${cross_prefix}gcc}"
522 if test -z "${CXX}${cross_prefix}"; then
523 cxx="c++"
524 else
525 cxx="${CXX-${cross_prefix}g++}"
528 ar="${AR-${cross_prefix}ar}"
529 as="${AS-${cross_prefix}as}"
530 ccas="${CCAS-$cc}"
531 cpp="${CPP-$cc -E}"
532 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
533 ld="${LD-${cross_prefix}ld}"
534 ranlib="${RANLIB-${cross_prefix}ranlib}"
535 nm="${NM-${cross_prefix}nm}"
536 strip="${STRIP-${cross_prefix}strip}"
537 windres="${WINDRES-${cross_prefix}windres}"
538 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
539 query_pkg_config() {
540 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
542 pkg_config=query_pkg_config
543 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
545 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
546 ARFLAGS="${ARFLAGS-rv}"
548 # default flags for all hosts
549 # We use -fwrapv to tell the compiler that we require a C dialect where
550 # left shift of signed integers is well defined and has the expected
551 # 2s-complement style results. (Both clang and gcc agree that it
552 # provides these semantics.)
553 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
554 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
555 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
556 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
558 # Flags that are needed during configure but later taken care of by Meson
559 CONFIGURE_CFLAGS="-std=gnu99 -Wall"
560 CONFIGURE_LDFLAGS=
563 check_define() {
564 cat > $TMPC <<EOF
565 #if !defined($1)
566 #error $1 not defined
567 #endif
568 int main(void) { return 0; }
570 compile_object
573 check_include() {
574 cat > $TMPC <<EOF
575 #include <$1>
576 int main(void) { return 0; }
578 compile_object
581 write_c_skeleton() {
582 cat > $TMPC <<EOF
583 int main(void) { return 0; }
587 write_c_fuzzer_skeleton() {
588 cat > $TMPC <<EOF
589 #include <stdint.h>
590 #include <sys/types.h>
591 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
592 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
596 if check_define __linux__ ; then
597 targetos="Linux"
598 elif check_define _WIN32 ; then
599 targetos='MINGW32'
600 elif check_define __OpenBSD__ ; then
601 targetos='OpenBSD'
602 elif check_define __sun__ ; then
603 targetos='SunOS'
604 elif check_define __HAIKU__ ; then
605 targetos='Haiku'
606 elif check_define __FreeBSD__ ; then
607 targetos='FreeBSD'
608 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
609 targetos='GNU/kFreeBSD'
610 elif check_define __DragonFly__ ; then
611 targetos='DragonFly'
612 elif check_define __NetBSD__; then
613 targetos='NetBSD'
614 elif check_define __APPLE__; then
615 targetos='Darwin'
616 else
617 # This is a fatal error, but don't report it yet, because we
618 # might be going to just print the --help text, or it might
619 # be the result of a missing compiler.
620 targetos='bogus'
623 # Some host OSes need non-standard checks for which CPU to use.
624 # Note that these checks are broken for cross-compilation: if you're
625 # cross-compiling to one of these OSes then you'll need to specify
626 # the correct CPU with the --cpu option.
627 case $targetos in
628 Darwin)
629 HOST_DSOSUF=".dylib"
631 SunOS)
632 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
633 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
634 cpu="x86_64"
636 esac
638 if test ! -z "$cpu" ; then
639 # command line argument
641 elif check_define __i386__ ; then
642 cpu="i386"
643 elif check_define __x86_64__ ; then
644 if check_define __ILP32__ ; then
645 cpu="x32"
646 else
647 cpu="x86_64"
649 elif check_define __sparc__ ; then
650 if check_define __arch64__ ; then
651 cpu="sparc64"
652 else
653 cpu="sparc"
655 elif check_define _ARCH_PPC ; then
656 if check_define _ARCH_PPC64 ; then
657 if check_define _LITTLE_ENDIAN ; then
658 cpu="ppc64le"
659 else
660 cpu="ppc64"
662 else
663 cpu="ppc"
665 elif check_define __mips__ ; then
666 cpu="mips"
667 elif check_define __s390__ ; then
668 if check_define __s390x__ ; then
669 cpu="s390x"
670 else
671 cpu="s390"
673 elif check_define __riscv ; then
674 if check_define _LP64 ; then
675 cpu="riscv64"
676 else
677 cpu="riscv32"
679 elif check_define __arm__ ; then
680 cpu="arm"
681 elif check_define __aarch64__ ; then
682 cpu="aarch64"
683 else
684 cpu=$(uname -m)
687 ARCH=
688 # Normalise host CPU name and set ARCH.
689 # Note that this case should only have supported host CPUs, not guests.
690 case "$cpu" in
691 ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
693 ppc64le)
694 ARCH="ppc64"
696 i386|i486|i586|i686|i86pc|BePC)
697 cpu="i386"
699 x86_64|amd64)
700 cpu="x86_64"
702 armv*b|armv*l|arm)
703 cpu="arm"
705 aarch64)
706 cpu="aarch64"
708 mips*)
709 cpu="mips"
711 sparc|sun4[cdmuv])
712 cpu="sparc"
715 # This will result in either an error or falling back to TCI later
716 ARCH=unknown
718 esac
719 if test -z "$ARCH"; then
720 ARCH="$cpu"
723 # OS specific
725 case $targetos in
726 MINGW32*)
727 mingw32="yes"
728 audio_possible_drivers="dsound sdl"
729 if check_include dsound.h; then
730 audio_drv_list="dsound"
731 else
732 audio_drv_list=""
734 supported_os="yes"
735 pie="no"
737 GNU/kFreeBSD)
738 bsd="yes"
739 audio_drv_list="oss try-sdl"
740 audio_possible_drivers="oss sdl pa"
742 FreeBSD)
743 bsd="yes"
744 make="${MAKE-gmake}"
745 audio_drv_list="oss try-sdl"
746 audio_possible_drivers="oss sdl pa"
747 # needed for kinfo_getvmmap(3) in libutil.h
748 netmap="" # enable netmap autodetect
750 DragonFly)
751 bsd="yes"
752 make="${MAKE-gmake}"
753 audio_drv_list="oss try-sdl"
754 audio_possible_drivers="oss sdl pa"
756 NetBSD)
757 bsd="yes"
758 make="${MAKE-gmake}"
759 audio_drv_list="oss try-sdl"
760 audio_possible_drivers="oss sdl"
761 oss_lib="-lossaudio"
763 OpenBSD)
764 bsd="yes"
765 make="${MAKE-gmake}"
766 audio_drv_list="try-sdl"
767 audio_possible_drivers="sdl"
769 Darwin)
770 bsd="yes"
771 darwin="yes"
772 audio_drv_list="try-coreaudio try-sdl"
773 audio_possible_drivers="coreaudio sdl"
774 # Disable attempts to use ObjectiveC features in os/object.h since they
775 # won't work when we're compiling with gcc as a C compiler.
776 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
778 SunOS)
779 solaris="yes"
780 make="${MAKE-gmake}"
781 smbd="${SMBD-/usr/sfw/sbin/smbd}"
782 if test -f /usr/include/sys/soundcard.h ; then
783 audio_drv_list="oss try-sdl"
785 audio_possible_drivers="oss sdl"
786 # needed for CMSG_ macros in sys/socket.h
787 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
788 # needed for TIOCWIN* defines in termios.h
789 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
791 Haiku)
792 haiku="yes"
793 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE $QEMU_CFLAGS"
795 Linux)
796 audio_drv_list="try-pa oss"
797 audio_possible_drivers="oss alsa sdl pa"
798 linux="yes"
799 linux_user="yes"
800 vhost_user=${default_feature:-yes}
802 esac
804 if [ "$bsd" = "yes" ] ; then
805 if [ "$darwin" != "yes" ] ; then
806 bsd_user="yes"
810 : ${make=${MAKE-make}}
812 # We prefer python 3.x. A bare 'python' is traditionally
813 # python 2.x, but some distros have it as python 3.x, so
814 # we check that too
815 python=
816 explicit_python=no
817 for binary in "${PYTHON-python3}" python
819 if has "$binary"
820 then
821 python=$(command -v "$binary")
822 break
824 done
827 # Check for ancillary tools used in testing
828 genisoimage=
829 for binary in genisoimage mkisofs
831 if has $binary
832 then
833 genisoimage=$(command -v "$binary")
834 break
836 done
838 : ${smbd=${SMBD-/usr/sbin/smbd}}
840 # Default objcc to clang if available, otherwise use CC
841 if has clang; then
842 objcc=clang
843 else
844 objcc="$cc"
847 if test "$mingw32" = "yes" ; then
848 EXESUF=".exe"
849 HOST_DSOSUF=".dll"
850 # MinGW needs -mthreads for TLS and macro _MT.
851 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
852 write_c_skeleton;
853 prefix="/qemu"
854 qemu_suffix=""
855 libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
858 werror=""
860 for opt do
861 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
862 case "$opt" in
863 --help|-h) show_help=yes
865 --version|-V) exec cat $source_path/VERSION
867 --prefix=*) prefix="$optarg"
869 --interp-prefix=*) interp_prefix="$optarg"
871 --cross-prefix=*)
873 --cc=*)
875 --host-cc=*) host_cc="$optarg"
877 --cxx=*)
879 --iasl=*) iasl="$optarg"
881 --objcc=*) objcc="$optarg"
883 --make=*) make="$optarg"
885 --install=*)
887 --python=*) python="$optarg" ; explicit_python=yes
889 --sphinx-build=*) sphinx_build="$optarg"
891 --skip-meson) skip_meson=yes
893 --meson=*) meson="$optarg"
895 --ninja=*) ninja="$optarg"
897 --smbd=*) smbd="$optarg"
899 --extra-cflags=*)
901 --extra-cxxflags=*)
903 --extra-ldflags=*)
905 --enable-debug-info)
907 --disable-debug-info)
909 --cross-cc-*)
911 --enable-modules)
912 modules="yes"
914 --disable-modules)
915 modules="no"
917 --disable-module-upgrades) module_upgrades="no"
919 --enable-module-upgrades) module_upgrades="yes"
921 --cpu=*)
923 --target-list=*) target_list="$optarg"
924 if test "$target_list_exclude"; then
925 error_exit "Can't mix --target-list with --target-list-exclude"
928 --target-list-exclude=*) target_list_exclude="$optarg"
929 if test "$target_list"; then
930 error_exit "Can't mix --target-list-exclude with --target-list"
933 --enable-trace-backends=*) trace_backends="$optarg"
935 # XXX: backwards compatibility
936 --enable-trace-backend=*) trace_backends="$optarg"
938 --with-trace-file=*) trace_file="$optarg"
940 --with-default-devices) default_devices="true"
942 --without-default-devices) default_devices="false"
944 --without-default-features) # processed above
946 --enable-gprof) gprof="yes"
948 --enable-gcov) gcov="yes"
950 --static)
951 static="yes"
952 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
954 --mandir=*) mandir="$optarg"
956 --bindir=*) bindir="$optarg"
958 --libdir=*) libdir="$optarg"
960 --libexecdir=*) libexecdir="$optarg"
962 --includedir=*) includedir="$optarg"
964 --datadir=*) datadir="$optarg"
966 --with-suffix=*) qemu_suffix="$optarg"
968 --docdir=*) docdir="$optarg"
970 --localedir=*) localedir="$optarg"
972 --sysconfdir=*) sysconfdir="$optarg"
974 --localstatedir=*) local_statedir="$optarg"
976 --firmwarepath=*) firmwarepath="$optarg"
978 --host=*|--build=*|\
979 --disable-dependency-tracking|\
980 --sbindir=*|--sharedstatedir=*|\
981 --oldincludedir=*|--datarootdir=*|--infodir=*|\
982 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
983 # These switches are silently ignored, for compatibility with
984 # autoconf-generated configure scripts. This allows QEMU's
985 # configure to be used by RPM and similar macros that set
986 # lots of directory switches by default.
988 --disable-sdl) sdl="disabled"
990 --enable-sdl) sdl="enabled"
992 --disable-sdl-image) sdl_image="disabled"
994 --enable-sdl-image) sdl_image="enabled"
996 --disable-qom-cast-debug) qom_cast_debug="no"
998 --enable-qom-cast-debug) qom_cast_debug="yes"
1000 --disable-virtfs) virtfs="disabled"
1002 --enable-virtfs) virtfs="enabled"
1004 --disable-libudev) libudev="disabled"
1006 --enable-libudev) libudev="enabled"
1008 --disable-virtiofsd) virtiofsd="disabled"
1010 --enable-virtiofsd) virtiofsd="enabled"
1012 --disable-mpath) mpath="disabled"
1014 --enable-mpath) mpath="enabled"
1016 --disable-vnc) vnc="disabled"
1018 --enable-vnc) vnc="enabled"
1020 --disable-gettext) gettext="disabled"
1022 --enable-gettext) gettext="enabled"
1024 --oss-lib=*) oss_lib="$optarg"
1026 --audio-drv-list=*) audio_drv_list="$optarg"
1028 --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1030 --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1032 --enable-debug-tcg) debug_tcg="yes"
1034 --disable-debug-tcg) debug_tcg="no"
1036 --enable-debug)
1037 # Enable debugging options that aren't excessively noisy
1038 debug_tcg="yes"
1039 debug_mutex="yes"
1040 debug="yes"
1041 strip_opt="no"
1042 fortify_source="no"
1044 --enable-sanitizers) sanitizers="yes"
1046 --disable-sanitizers) sanitizers="no"
1048 --enable-tsan) tsan="yes"
1050 --disable-tsan) tsan="no"
1052 --enable-sparse) sparse="enabled"
1054 --disable-sparse) sparse="disabled"
1056 --disable-strip) strip_opt="no"
1058 --disable-vnc-sasl) vnc_sasl="disabled"
1060 --enable-vnc-sasl) vnc_sasl="enabled"
1062 --disable-vnc-jpeg) vnc_jpeg="disabled"
1064 --enable-vnc-jpeg) vnc_jpeg="enabled"
1066 --disable-vnc-png) vnc_png="disabled"
1068 --enable-vnc-png) vnc_png="enabled"
1070 --disable-slirp) slirp="disabled"
1072 --enable-slirp) slirp="enabled"
1074 --enable-slirp=git) slirp="internal"
1076 --enable-slirp=system) slirp="system"
1078 --disable-vde) vde="no"
1080 --enable-vde) vde="yes"
1082 --disable-netmap) netmap="no"
1084 --enable-netmap) netmap="yes"
1086 --disable-xen) xen="disabled"
1088 --enable-xen) xen="enabled"
1090 --disable-xen-pci-passthrough) xen_pci_passthrough="disabled"
1092 --enable-xen-pci-passthrough) xen_pci_passthrough="enabled"
1094 --disable-brlapi) brlapi="disabled"
1096 --enable-brlapi) brlapi="enabled"
1098 --disable-kvm) kvm="disabled"
1100 --enable-kvm) kvm="enabled"
1102 --disable-hax) hax="disabled"
1104 --enable-hax) hax="enabled"
1106 --disable-hvf) hvf="disabled"
1108 --enable-hvf) hvf="enabled"
1110 --disable-whpx) whpx="disabled"
1112 --enable-whpx) whpx="enabled"
1114 --disable-tcg-interpreter) tcg_interpreter="false"
1116 --enable-tcg-interpreter) tcg_interpreter="true"
1118 --disable-cap-ng) cap_ng="disabled"
1120 --enable-cap-ng) cap_ng="enabled"
1122 --disable-tcg) tcg="disabled"
1124 --enable-tcg) tcg="enabled"
1126 --disable-malloc-trim) malloc_trim="disabled"
1128 --enable-malloc-trim) malloc_trim="enabled"
1130 --disable-spice) spice="no"
1132 --enable-spice) spice="yes"
1134 --disable-libiscsi) libiscsi="disabled"
1136 --enable-libiscsi) libiscsi="enabled"
1138 --disable-libnfs) libnfs="disabled"
1140 --enable-libnfs) libnfs="enabled"
1142 --enable-profiler) profiler="yes"
1144 --disable-cocoa) cocoa="disabled"
1146 --enable-cocoa) cocoa="enabled"
1148 --disable-system) softmmu="no"
1150 --enable-system) softmmu="yes"
1152 --disable-user)
1153 linux_user="no" ;
1154 bsd_user="no" ;
1156 --enable-user) ;;
1157 --disable-linux-user) linux_user="no"
1159 --enable-linux-user) linux_user="yes"
1161 --disable-bsd-user) bsd_user="no"
1163 --enable-bsd-user) bsd_user="yes"
1165 --enable-pie) pie="yes"
1167 --disable-pie) pie="no"
1169 --enable-werror) werror="yes"
1171 --disable-werror) werror="no"
1173 --enable-lto) lto="true"
1175 --disable-lto) lto="false"
1177 --enable-stack-protector) stack_protector="yes"
1179 --disable-stack-protector) stack_protector="no"
1181 --enable-safe-stack) safe_stack="yes"
1183 --disable-safe-stack) safe_stack="no"
1185 --enable-cfi)
1186 cfi="true";
1187 lto="true";
1189 --disable-cfi) cfi="false"
1191 --enable-cfi-debug) cfi_debug="true"
1193 --disable-cfi-debug) cfi_debug="false"
1195 --disable-curses) curses="disabled"
1197 --enable-curses) curses="enabled"
1199 --disable-iconv) iconv="disabled"
1201 --enable-iconv) iconv="enabled"
1203 --disable-curl) curl="disabled"
1205 --enable-curl) curl="enabled"
1207 --disable-fdt) fdt="disabled"
1209 --enable-fdt) fdt="enabled"
1211 --enable-fdt=git) fdt="internal"
1213 --enable-fdt=system) fdt="system"
1215 --disable-linux-aio) linux_aio="no"
1217 --enable-linux-aio) linux_aio="yes"
1219 --disable-linux-io-uring) linux_io_uring="no"
1221 --enable-linux-io-uring) linux_io_uring="yes"
1223 --disable-attr) attr="disabled"
1225 --enable-attr) attr="enabled"
1227 --disable-membarrier) membarrier="no"
1229 --enable-membarrier) membarrier="yes"
1231 --disable-blobs) blobs="false"
1233 --with-pkgversion=*) pkgversion="$optarg"
1235 --with-coroutine=*) coroutine="$optarg"
1237 --disable-coroutine-pool) coroutine_pool="no"
1239 --enable-coroutine-pool) coroutine_pool="yes"
1241 --enable-debug-stack-usage) debug_stack_usage="yes"
1243 --enable-crypto-afalg) crypto_afalg="yes"
1245 --disable-crypto-afalg) crypto_afalg="no"
1247 --disable-docs) docs="disabled"
1249 --enable-docs) docs="enabled"
1251 --disable-vhost-net) vhost_net="no"
1253 --enable-vhost-net) vhost_net="yes"
1255 --disable-vhost-crypto) vhost_crypto="no"
1257 --enable-vhost-crypto) vhost_crypto="yes"
1259 --disable-vhost-scsi) vhost_scsi="no"
1261 --enable-vhost-scsi) vhost_scsi="yes"
1263 --disable-vhost-vsock) vhost_vsock="no"
1265 --enable-vhost-vsock) vhost_vsock="yes"
1267 --disable-vhost-user-blk-server) vhost_user_blk_server="disabled"
1269 --enable-vhost-user-blk-server) vhost_user_blk_server="enabled"
1271 --disable-vhost-user-fs) vhost_user_fs="no"
1273 --enable-vhost-user-fs) vhost_user_fs="yes"
1275 --disable-opengl) opengl="no"
1277 --enable-opengl) opengl="yes"
1279 --disable-rbd) rbd="disabled"
1281 --enable-rbd) rbd="enabled"
1283 --disable-xfsctl) xfs="no"
1285 --enable-xfsctl) xfs="yes"
1287 --disable-smartcard) smartcard="no"
1289 --enable-smartcard) smartcard="yes"
1291 --disable-u2f) u2f="disabled"
1293 --enable-u2f) u2f="enabled"
1295 --disable-libusb) libusb="no"
1297 --enable-libusb) libusb="yes"
1299 --disable-usb-redir) usb_redir="no"
1301 --enable-usb-redir) usb_redir="yes"
1303 --disable-zlib-test)
1305 --disable-lzo) lzo="disabled"
1307 --enable-lzo) lzo="enabled"
1309 --disable-snappy) snappy="disabled"
1311 --enable-snappy) snappy="enabled"
1313 --disable-bzip2) bzip2="disabled"
1315 --enable-bzip2) bzip2="enabled"
1317 --enable-lzfse) lzfse="enabled"
1319 --disable-lzfse) lzfse="disabled"
1321 --disable-zstd) zstd="disabled"
1323 --enable-zstd) zstd="enabled"
1325 --enable-guest-agent) guest_agent="yes"
1327 --disable-guest-agent) guest_agent="no"
1329 --enable-guest-agent-msi) guest_agent_msi="enabled"
1331 --disable-guest-agent-msi) guest_agent_msi="disabled"
1333 --with-vss-sdk) vss_win32_sdk=""
1335 --with-vss-sdk=*) vss_win32_sdk="$optarg"
1337 --without-vss-sdk) vss_win32_sdk="no"
1339 --with-win-sdk) win_sdk=""
1341 --with-win-sdk=*) win_sdk="$optarg"
1343 --without-win-sdk) win_sdk="no"
1345 --enable-tools) want_tools="yes"
1347 --disable-tools) want_tools="no"
1349 --enable-seccomp) seccomp="enabled"
1351 --disable-seccomp) seccomp="disabled"
1353 --disable-glusterfs) glusterfs="disabled"
1355 --disable-avx2) avx2_opt="no"
1357 --enable-avx2) avx2_opt="yes"
1359 --disable-avx512f) avx512f_opt="no"
1361 --enable-avx512f) avx512f_opt="yes"
1364 --enable-glusterfs) glusterfs="enabled"
1366 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1367 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1369 --enable-vhdx|--disable-vhdx)
1370 echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1372 --enable-uuid|--disable-uuid)
1373 echo "$0: $opt is obsolete, UUID support is always built" >&2
1375 --disable-gtk) gtk="disabled"
1377 --enable-gtk) gtk="enabled"
1379 --tls-priority=*) tls_priority="$optarg"
1381 --disable-gnutls) gnutls="no"
1383 --enable-gnutls) gnutls="yes"
1385 --disable-nettle) nettle="no"
1387 --enable-nettle) nettle="yes"
1389 --disable-gcrypt) gcrypt="no"
1391 --enable-gcrypt) gcrypt="yes"
1393 --disable-auth-pam) auth_pam="no"
1395 --enable-auth-pam) auth_pam="yes"
1397 --enable-rdma) rdma="yes"
1399 --disable-rdma) rdma="no"
1401 --enable-pvrdma) pvrdma="yes"
1403 --disable-pvrdma) pvrdma="no"
1405 --disable-vte) vte="no"
1407 --enable-vte) vte="yes"
1409 --disable-virglrenderer) virglrenderer="no"
1411 --enable-virglrenderer) virglrenderer="yes"
1413 --disable-tpm) tpm="no"
1415 --enable-tpm) tpm="yes"
1417 --disable-libssh) libssh="no"
1419 --enable-libssh) libssh="yes"
1421 --disable-live-block-migration) live_block_migration="no"
1423 --enable-live-block-migration) live_block_migration="yes"
1425 --disable-numa) numa="no"
1427 --enable-numa) numa="yes"
1429 --disable-libxml2) libxml2="no"
1431 --enable-libxml2) libxml2="yes"
1433 --disable-tcmalloc) tcmalloc="no"
1435 --enable-tcmalloc) tcmalloc="yes"
1437 --disable-jemalloc) jemalloc="no"
1439 --enable-jemalloc) jemalloc="yes"
1441 --disable-replication) replication="no"
1443 --enable-replication) replication="yes"
1445 --disable-bochs) bochs="no"
1447 --enable-bochs) bochs="yes"
1449 --disable-cloop) cloop="no"
1451 --enable-cloop) cloop="yes"
1453 --disable-dmg) dmg="no"
1455 --enable-dmg) dmg="yes"
1457 --disable-qcow1) qcow1="no"
1459 --enable-qcow1) qcow1="yes"
1461 --disable-vdi) vdi="no"
1463 --enable-vdi) vdi="yes"
1465 --disable-vvfat) vvfat="no"
1467 --enable-vvfat) vvfat="yes"
1469 --disable-qed) qed="no"
1471 --enable-qed) qed="yes"
1473 --disable-parallels) parallels="no"
1475 --enable-parallels) parallels="yes"
1477 --disable-sheepdog) sheepdog="no"
1479 --enable-sheepdog) sheepdog="yes"
1481 --disable-vhost-user) vhost_user="no"
1483 --enable-vhost-user) vhost_user="yes"
1485 --disable-vhost-vdpa) vhost_vdpa="no"
1487 --enable-vhost-vdpa) vhost_vdpa="yes"
1489 --disable-vhost-kernel) vhost_kernel="no"
1491 --enable-vhost-kernel) vhost_kernel="yes"
1493 --disable-capstone) capstone="disabled"
1495 --enable-capstone) capstone="enabled"
1497 --enable-capstone=git) capstone="internal"
1499 --enable-capstone=system) capstone="system"
1501 --with-git=*) git="$optarg"
1503 --enable-git-update)
1504 git_submodules_action="update"
1505 echo "--enable-git-update deprecated, use --with-git-submodules=update"
1507 --disable-git-update)
1508 git_submodules_action="validate"
1509 echo "--disable-git-update deprecated, use --with-git-submodules=validate"
1511 --with-git-submodules=*)
1512 git_submodules_action="$optarg"
1514 --enable-debug-mutex) debug_mutex=yes
1516 --disable-debug-mutex) debug_mutex=no
1518 --enable-libpmem) libpmem=yes
1520 --disable-libpmem) libpmem=no
1522 --enable-xkbcommon) xkbcommon="enabled"
1524 --disable-xkbcommon) xkbcommon="disabled"
1526 --enable-plugins) plugins="yes"
1528 --disable-plugins) plugins="no"
1530 --enable-containers) use_containers="yes"
1532 --disable-containers) use_containers="no"
1534 --enable-fuzzing) fuzzing=yes
1536 --disable-fuzzing) fuzzing=no
1538 --gdb=*) gdb_bin="$optarg"
1540 --enable-rng-none) rng_none=yes
1542 --disable-rng-none) rng_none=no
1544 --enable-keyring) secret_keyring="yes"
1546 --disable-keyring) secret_keyring="no"
1548 --enable-libdaxctl) libdaxctl=yes
1550 --disable-libdaxctl) libdaxctl=no
1552 --enable-fuse) fuse="enabled"
1554 --disable-fuse) fuse="disabled"
1556 --enable-fuse-lseek) fuse_lseek="enabled"
1558 --disable-fuse-lseek) fuse_lseek="disabled"
1560 --enable-multiprocess) multiprocess="enabled"
1562 --disable-multiprocess) multiprocess="disabled"
1564 --enable-gio) gio=yes
1566 --disable-gio) gio=no
1569 echo "ERROR: unknown option $opt"
1570 echo "Try '$0 --help' for more information"
1571 exit 1
1573 esac
1574 done
1576 case $git_submodules_action in
1577 update|validate)
1578 if test ! -e "$source_path/.git"; then
1579 echo "ERROR: cannot $git_submodules_action git submodules without .git"
1580 exit 1
1583 ignore)
1586 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'"
1587 exit 1
1589 esac
1591 libdir="${libdir:-$prefix/lib}"
1592 libexecdir="${libexecdir:-$prefix/libexec}"
1593 includedir="${includedir:-$prefix/include}"
1595 if test "$mingw32" = "yes" ; then
1596 bindir="${bindir:-$prefix}"
1597 else
1598 bindir="${bindir:-$prefix/bin}"
1600 mandir="${mandir:-$prefix/share/man}"
1601 datadir="${datadir:-$prefix/share}"
1602 docdir="${docdir:-$prefix/share/doc}"
1603 sysconfdir="${sysconfdir:-$prefix/etc}"
1604 local_statedir="${local_statedir:-$prefix/var}"
1605 firmwarepath="${firmwarepath:-$datadir/qemu-firmware}"
1606 localedir="${localedir:-$datadir/locale}"
1608 case "$cpu" in
1609 ppc)
1610 CPU_CFLAGS="-m32"
1611 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1613 ppc64)
1614 CPU_CFLAGS="-m64"
1615 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1617 sparc)
1618 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1619 QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1621 sparc64)
1622 CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1623 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1625 s390)
1626 CPU_CFLAGS="-m31"
1627 QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1629 s390x)
1630 CPU_CFLAGS="-m64"
1631 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1633 i386)
1634 CPU_CFLAGS="-m32"
1635 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1637 x86_64)
1638 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1639 # If we truly care, we should simply detect this case at
1640 # runtime and generate the fallback to serial emulation.
1641 CPU_CFLAGS="-m64 -mcx16"
1642 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1644 x32)
1645 CPU_CFLAGS="-mx32"
1646 QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1648 # No special flags required for other host CPUs
1649 esac
1651 eval "cross_cc_${cpu}=\$host_cc"
1652 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1653 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1655 # For user-mode emulation the host arch has to be one we explicitly
1656 # support, even if we're using TCI.
1657 if [ "$ARCH" = "unknown" ]; then
1658 bsd_user="no"
1659 linux_user="no"
1662 default_target_list=""
1663 deprecated_targets_list=ppc64abi32-linux-user,lm32-softmmu,unicore32-softmmu
1664 deprecated_features=""
1665 mak_wilds=""
1667 if [ "$softmmu" = "yes" ]; then
1668 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-softmmu.mak"
1670 if [ "$linux_user" = "yes" ]; then
1671 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-linux-user.mak"
1673 if [ "$bsd_user" = "yes" ]; then
1674 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-bsd-user.mak"
1677 # If the user doesn't explicitly specify a deprecated target we will
1678 # skip it.
1679 if test -z "$target_list"; then
1680 if test -z "$target_list_exclude"; then
1681 target_list_exclude="$deprecated_targets_list"
1682 else
1683 target_list_exclude="$target_list_exclude,$deprecated_targets_list"
1687 for config in $mak_wilds; do
1688 target="$(basename "$config" .mak)"
1689 if echo "$target_list_exclude" | grep -vq "$target"; then
1690 default_target_list="${default_target_list} $target"
1692 done
1694 # Enumerate public trace backends for --help output
1695 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1697 if test x"$show_help" = x"yes" ; then
1698 cat << EOF
1700 Usage: configure [options]
1701 Options: [defaults in brackets after descriptions]
1703 Standard options:
1704 --help print this message
1705 --prefix=PREFIX install in PREFIX [$prefix]
1706 --interp-prefix=PREFIX where to find shared libraries, etc.
1707 use %M for cpu name [$interp_prefix]
1708 --target-list=LIST set target list (default: build all non-deprecated)
1709 $(echo Available targets: $default_target_list | \
1710 fold -s -w 53 | sed -e 's/^/ /')
1711 $(echo Deprecated targets: $deprecated_targets_list | \
1712 fold -s -w 53 | sed -e 's/^/ /')
1713 --target-list-exclude=LIST exclude a set of targets from the default target-list
1715 Advanced options (experts only):
1716 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
1717 --cc=CC use C compiler CC [$cc]
1718 --iasl=IASL use ACPI compiler IASL [$iasl]
1719 --host-cc=CC use C compiler CC [$host_cc] for code run at
1720 build time
1721 --cxx=CXX use C++ compiler CXX [$cxx]
1722 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
1723 --extra-cflags=CFLAGS append extra C compiler flags QEMU_CFLAGS
1724 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1725 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
1726 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
1727 --cross-cc-flags-ARCH= use compiler flags when building ARCH guest tests
1728 --make=MAKE use specified make [$make]
1729 --python=PYTHON use specified python [$python]
1730 --sphinx-build=SPHINX use specified sphinx-build [$sphinx_build]
1731 --meson=MESON use specified meson [$meson]
1732 --ninja=NINJA use specified ninja [$ninja]
1733 --smbd=SMBD use specified smbd [$smbd]
1734 --with-git=GIT use specified git [$git]
1735 --with-git-submodules=update update git submodules (default if .git dir exists)
1736 --with-git-submodules=validate fail if git submodules are not up to date
1737 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir)
1738 --static enable static build [$static]
1739 --mandir=PATH install man pages in PATH
1740 --datadir=PATH install firmware in PATH/$qemu_suffix
1741 --localedir=PATH install translation in PATH/$qemu_suffix
1742 --docdir=PATH install documentation in PATH/$qemu_suffix
1743 --bindir=PATH install binaries in PATH
1744 --libdir=PATH install libraries in PATH
1745 --libexecdir=PATH install helper binaries in PATH
1746 --sysconfdir=PATH install config in PATH/$qemu_suffix
1747 --localstatedir=PATH install local state in PATH (set at runtime on win32)
1748 --firmwarepath=PATH search PATH for firmware files
1749 --efi-aarch64=PATH PATH of efi file to use for aarch64 VMs.
1750 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
1751 --with-pkgversion=VERS use specified string as sub-version of the package
1752 --without-default-features default all --enable-* options to "disabled"
1753 --without-default-devices do not include any device that is not needed to
1754 start the emulator (only use if you are including
1755 desired devices in default-configs/devices/)
1756 --enable-debug enable common debug build options
1757 --enable-sanitizers enable default sanitizers
1758 --enable-tsan enable thread sanitizer
1759 --disable-strip disable stripping binaries
1760 --disable-werror disable compilation abort on warning
1761 --disable-stack-protector disable compiler-provided stack protection
1762 --audio-drv-list=LIST set audio drivers list:
1763 Available drivers: $audio_possible_drivers
1764 --block-drv-whitelist=L Same as --block-drv-rw-whitelist=L
1765 --block-drv-rw-whitelist=L
1766 set block driver read-write whitelist
1767 (affects only QEMU, not qemu-img)
1768 --block-drv-ro-whitelist=L
1769 set block driver read-only whitelist
1770 (affects only QEMU, not qemu-img)
1771 --enable-trace-backends=B Set trace backend
1772 Available backends: $trace_backend_list
1773 --with-trace-file=NAME Full PATH,NAME of file to store traces
1774 Default:trace-<pid>
1775 --disable-slirp disable SLIRP userspace network connectivity
1776 --enable-tcg-interpreter enable TCI (TCG with bytecode interpreter, experimental and slow)
1777 --enable-malloc-trim enable libc malloc_trim() for memory optimization
1778 --oss-lib path to OSS library
1779 --cpu=CPU Build for host CPU [$cpu]
1780 --with-coroutine=BACKEND coroutine backend. Supported options:
1781 ucontext, sigaltstack, windows
1782 --enable-gcov enable test coverage analysis with gcov
1783 --disable-blobs disable installing provided firmware blobs
1784 --with-vss-sdk=SDK-path enable Windows VSS support in QEMU Guest Agent
1785 --with-win-sdk=SDK-path path to Windows Platform SDK (to build VSS .tlb)
1786 --tls-priority default TLS protocol/cipher priority string
1787 --enable-gprof QEMU profiling with gprof
1788 --enable-profiler profiler support
1789 --enable-debug-stack-usage
1790 track the maximum stack usage of stacks created by qemu_alloc_stack
1791 --enable-plugins
1792 enable plugins via shared library loading
1793 --disable-containers don't use containers for cross-building
1794 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
1796 Optional features, enabled with --enable-FEATURE and
1797 disabled with --disable-FEATURE, default is enabled if available
1798 (unless built with --without-default-features):
1800 system all system emulation targets
1801 user supported user emulation targets
1802 linux-user all linux usermode emulation targets
1803 bsd-user all BSD usermode emulation targets
1804 docs build documentation
1805 guest-agent build the QEMU Guest Agent
1806 guest-agent-msi build guest agent Windows MSI installation package
1807 pie Position Independent Executables
1808 modules modules support (non-Windows)
1809 module-upgrades try to load modules from alternate paths for upgrades
1810 debug-tcg TCG debugging (default is disabled)
1811 debug-info debugging information
1812 lto Enable Link-Time Optimization.
1813 sparse sparse checker
1814 safe-stack SafeStack Stack Smash Protection. Depends on
1815 clang/llvm >= 3.7 and requires coroutine backend ucontext.
1816 cfi Enable Control-Flow Integrity for indirect function calls.
1817 In case of a cfi violation, QEMU is terminated with SIGILL
1818 Depends on lto and is incompatible with modules
1819 Automatically enables Link-Time Optimization (lto)
1820 cfi-debug In case of a cfi violation, a message containing the line that
1821 triggered the error is written to stderr. After the error,
1822 QEMU is still terminated with SIGILL
1823 gnutls GNUTLS cryptography support
1824 nettle nettle cryptography support
1825 gcrypt libgcrypt cryptography support
1826 auth-pam PAM access control
1827 sdl SDL UI
1828 sdl-image SDL Image support for icons
1829 gtk gtk UI
1830 vte vte support for the gtk UI
1831 curses curses UI
1832 iconv font glyph conversion support
1833 vnc VNC UI support
1834 vnc-sasl SASL encryption for VNC server
1835 vnc-jpeg JPEG lossy compression for VNC server
1836 vnc-png PNG compression for VNC server
1837 cocoa Cocoa UI (Mac OS X only)
1838 virtfs VirtFS
1839 virtiofsd build virtiofs daemon (virtiofsd)
1840 libudev Use libudev to enumerate host devices
1841 mpath Multipath persistent reservation passthrough
1842 xen xen backend driver support
1843 xen-pci-passthrough PCI passthrough support for Xen
1844 brlapi BrlAPI (Braile)
1845 curl curl connectivity
1846 membarrier membarrier system call (for Linux 4.14+ or Windows)
1847 fdt fdt device tree
1848 kvm KVM acceleration support
1849 hax HAX acceleration support
1850 hvf Hypervisor.framework acceleration support
1851 whpx Windows Hypervisor Platform acceleration support
1852 rdma Enable RDMA-based migration
1853 pvrdma Enable PVRDMA support
1854 vde support for vde network
1855 netmap support for netmap network
1856 linux-aio Linux AIO support
1857 linux-io-uring Linux io_uring support
1858 cap-ng libcap-ng support
1859 attr attr and xattr support
1860 vhost-net vhost-net kernel acceleration support
1861 vhost-vsock virtio sockets device support
1862 vhost-scsi vhost-scsi kernel target support
1863 vhost-crypto vhost-user-crypto backend support
1864 vhost-kernel vhost kernel backend support
1865 vhost-user vhost-user backend support
1866 vhost-user-blk-server vhost-user-blk server support
1867 vhost-vdpa vhost-vdpa kernel backend support
1868 spice spice
1869 rbd rados block device (rbd)
1870 libiscsi iscsi support
1871 libnfs nfs support
1872 smartcard smartcard support (libcacard)
1873 u2f U2F support (u2f-emu)
1874 libusb libusb (for usb passthrough)
1875 live-block-migration Block migration in the main migration stream
1876 usb-redir usb network redirection support
1877 lzo support of lzo compression library
1878 snappy support of snappy compression library
1879 bzip2 support of bzip2 compression library
1880 (for reading bzip2-compressed dmg images)
1881 lzfse support of lzfse compression library
1882 (for reading lzfse-compressed dmg images)
1883 zstd support for zstd compression library
1884 (for migration compression and qcow2 cluster compression)
1885 seccomp seccomp support
1886 coroutine-pool coroutine freelist (better performance)
1887 glusterfs GlusterFS backend
1888 tpm TPM support
1889 libssh ssh block device support
1890 numa libnuma support
1891 libxml2 for Parallels image format
1892 tcmalloc tcmalloc support
1893 jemalloc jemalloc support
1894 avx2 AVX2 optimization support
1895 avx512f AVX512F optimization support
1896 replication replication support
1897 opengl opengl support
1898 virglrenderer virgl rendering support
1899 xfsctl xfsctl support
1900 qom-cast-debug cast debugging support
1901 tools build qemu-io, qemu-nbd and qemu-img tools
1902 bochs bochs image format support
1903 cloop cloop image format support
1904 dmg dmg image format support
1905 qcow1 qcow v1 image format support
1906 vdi vdi image format support
1907 vvfat vvfat image format support
1908 qed qed image format support
1909 parallels parallels image format support
1910 sheepdog sheepdog block driver support (deprecated)
1911 crypto-afalg Linux AF_ALG crypto backend driver
1912 capstone capstone disassembler support
1913 debug-mutex mutex debugging support
1914 libpmem libpmem support
1915 xkbcommon xkbcommon support
1916 rng-none dummy RNG, avoid using /dev/(u)random and getrandom()
1917 libdaxctl libdaxctl support
1918 fuse FUSE block device export
1919 fuse-lseek SEEK_HOLE/SEEK_DATA support for FUSE exports
1920 multiprocess Out of process device emulation support
1921 gio libgio support
1923 NOTE: The object files are built at the place where configure is launched
1925 exit 0
1928 # Remove old dependency files to make sure that they get properly regenerated
1929 rm -f */config-devices.mak.d
1931 if test -z "$python"
1932 then
1933 error_exit "Python not found. Use --python=/path/to/python"
1935 if ! has "$make"
1936 then
1937 error_exit "GNU make ($make) not found"
1940 # Note that if the Python conditional here evaluates True we will exit
1941 # with status 1 which is a shell 'false' value.
1942 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
1943 error_exit "Cannot use '$python', Python >= 3.6 is required." \
1944 "Use --python=/path/to/python to specify a supported Python."
1947 # Preserve python version since some functionality is dependent on it
1948 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)
1950 # Suppress writing compiled files
1951 python="$python -B"
1953 if test -z "$meson"; then
1954 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.3; then
1955 meson=meson
1956 elif test $git_submodules_action != 'ignore' ; then
1957 meson=git
1958 elif test -e "${source_path}/meson/meson.py" ; then
1959 meson=internal
1960 else
1961 if test "$explicit_python" = yes; then
1962 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1963 else
1964 error_exit "Meson not found. Use --meson=/path/to/meson"
1967 else
1968 # Meson uses its own Python interpreter to invoke other Python scripts,
1969 # but the user wants to use the one they specified with --python.
1971 # We do not want to override the distro Python interpreter (and sometimes
1972 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1973 # just require --meson=git|internal together with --python.
1974 if test "$explicit_python" = yes; then
1975 case "$meson" in
1976 git | internal) ;;
1977 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1978 esac
1982 if test "$meson" = git; then
1983 git_submodules="${git_submodules} meson"
1986 case "$meson" in
1987 git | internal)
1988 meson="$python ${source_path}/meson/meson.py"
1990 *) meson=$(command -v "$meson") ;;
1991 esac
1993 # Probe for ninja
1995 if test -z "$ninja"; then
1996 for c in ninja ninja-build samu; do
1997 if has $c; then
1998 ninja=$(command -v "$c")
1999 break
2001 done
2002 if test -z "$ninja"; then
2003 error_exit "Cannot find Ninja"
2007 # Check that the C compiler works. Doing this here before testing
2008 # the host CPU ensures that we had a valid CC to autodetect the
2009 # $cpu var (and we should bail right here if that's not the case).
2010 # It also allows the help message to be printed without a CC.
2011 write_c_skeleton;
2012 if compile_object ; then
2013 : C compiler works ok
2014 else
2015 error_exit "\"$cc\" either does not exist or does not work"
2017 if ! compile_prog ; then
2018 error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
2021 # Consult white-list to determine whether to enable werror
2022 # by default. Only enable by default for git builds
2023 if test -z "$werror" ; then
2024 if test "$git_submodules_action" != "ignore" && \
2025 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
2026 werror="yes"
2027 else
2028 werror="no"
2032 if test "$targetos" = "bogus"; then
2033 # Now that we know that we're not printing the help and that
2034 # the compiler works (so the results of the check_defines we used
2035 # to identify the OS are reliable), if we didn't recognize the
2036 # host OS we should stop now.
2037 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
2040 # Check whether the compiler matches our minimum requirements:
2041 cat > $TMPC << EOF
2042 #if defined(__clang_major__) && defined(__clang_minor__)
2043 # ifdef __apple_build_version__
2044 # if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
2045 # error You need at least XCode Clang v5.1 to compile QEMU
2046 # endif
2047 # else
2048 # if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
2049 # error You need at least Clang v3.4 to compile QEMU
2050 # endif
2051 # endif
2052 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
2053 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
2054 # error You need at least GCC v4.8 to compile QEMU
2055 # endif
2056 #else
2057 # error You either need GCC or Clang to compiler QEMU
2058 #endif
2059 int main (void) { return 0; }
2061 if ! compile_prog "" "" ; then
2062 error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2065 # Accumulate -Wfoo and -Wno-bar separately.
2066 # We will list all of the enable flags first, and the disable flags second.
2067 # Note that we do not add -Werror, because that would enable it for all
2068 # configure tests. If a configure test failed due to -Werror this would
2069 # just silently disable some features, so it's too error prone.
2071 warn_flags=
2072 add_to warn_flags -Wold-style-declaration
2073 add_to warn_flags -Wold-style-definition
2074 add_to warn_flags -Wtype-limits
2075 add_to warn_flags -Wformat-security
2076 add_to warn_flags -Wformat-y2k
2077 add_to warn_flags -Winit-self
2078 add_to warn_flags -Wignored-qualifiers
2079 add_to warn_flags -Wempty-body
2080 add_to warn_flags -Wnested-externs
2081 add_to warn_flags -Wendif-labels
2082 add_to warn_flags -Wexpansion-to-defined
2083 add_to warn_flags -Wimplicit-fallthrough=2
2085 nowarn_flags=
2086 add_to nowarn_flags -Wno-initializer-overrides
2087 add_to nowarn_flags -Wno-missing-include-dirs
2088 add_to nowarn_flags -Wno-shift-negative-value
2089 add_to nowarn_flags -Wno-string-plus-int
2090 add_to nowarn_flags -Wno-typedef-redefinition
2091 add_to nowarn_flags -Wno-tautological-type-limit-compare
2092 add_to nowarn_flags -Wno-psabi
2094 gcc_flags="$warn_flags $nowarn_flags"
2096 cc_has_warning_flag() {
2097 write_c_skeleton;
2099 # Use the positive sense of the flag when testing for -Wno-wombat
2100 # support (gcc will happily accept the -Wno- form of unknown
2101 # warning options).
2102 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2103 compile_prog "-Werror $optflag" ""
2106 for flag in $gcc_flags; do
2107 if cc_has_warning_flag $flag ; then
2108 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2110 done
2112 if test "$stack_protector" != "no"; then
2113 cat > $TMPC << EOF
2114 int main(int argc, char *argv[])
2116 char arr[64], *p = arr, *c = argv[0];
2117 while (*c) {
2118 *p++ = *c++;
2120 return 0;
2123 gcc_flags="-fstack-protector-strong -fstack-protector-all"
2124 sp_on=0
2125 for flag in $gcc_flags; do
2126 # We need to check both a compile and a link, since some compiler
2127 # setups fail only on a .c->.o compile and some only at link time
2128 if compile_object "-Werror $flag" &&
2129 compile_prog "-Werror $flag" ""; then
2130 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2131 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2132 sp_on=1
2133 break
2135 done
2136 if test "$stack_protector" = yes; then
2137 if test $sp_on = 0; then
2138 error_exit "Stack protector not supported"
2143 # Disable -Wmissing-braces on older compilers that warn even for
2144 # the "universal" C zero initializer {0}.
2145 cat > $TMPC << EOF
2146 struct {
2147 int a[2];
2148 } x = {0};
2150 if compile_object "-Werror" "" ; then
2152 else
2153 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2156 # Our module code doesn't support Windows
2157 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2158 error_exit "Modules are not available for Windows"
2161 # module_upgrades is only reasonable if modules are enabled
2162 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2163 error_exit "Can't enable module-upgrades as Modules are not enabled"
2166 # Static linking is not possible with modules or PIE
2167 if test "$static" = "yes" ; then
2168 if test "$modules" = "yes" ; then
2169 error_exit "static and modules are mutually incompatible"
2173 # Unconditional check for compiler __thread support
2174 cat > $TMPC << EOF
2175 static __thread int tls_var;
2176 int main(void) { return tls_var; }
2179 if ! compile_prog "-Werror" "" ; then
2180 error_exit "Your compiler does not support the __thread specifier for " \
2181 "Thread-Local Storage (TLS). Please upgrade to a version that does."
2184 cat > $TMPC << EOF
2186 #ifdef __linux__
2187 # define THREAD __thread
2188 #else
2189 # define THREAD
2190 #endif
2191 static THREAD int tls_var;
2192 int main(void) { return tls_var; }
2195 # Check we support --no-pie first; we will need this for building ROMs.
2196 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2197 CFLAGS_NOPIE="-fno-pie"
2200 if test "$static" = "yes"; then
2201 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2202 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
2203 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2204 pie="yes"
2205 elif test "$pie" = "yes"; then
2206 error_exit "-static-pie not available due to missing toolchain support"
2207 else
2208 QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2209 pie="no"
2211 elif test "$pie" = "no"; then
2212 CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS"
2213 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2214 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
2215 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
2216 pie="yes"
2217 elif test "$pie" = "yes"; then
2218 error_exit "PIE not available due to missing toolchain support"
2219 else
2220 echo "Disabling PIE due to missing toolchain support"
2221 pie="no"
2224 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2225 # The combination is known as "full relro", because .got.plt is read-only too.
2226 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2227 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2230 ##########################################
2231 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2232 # use i686 as default anyway, but for those that don't, an explicit
2233 # specification is necessary
2235 if test "$cpu" = "i386"; then
2236 cat > $TMPC << EOF
2237 static int sfaa(int *ptr)
2239 return __sync_fetch_and_and(ptr, 0);
2242 int main(void)
2244 int val = 42;
2245 val = __sync_val_compare_and_swap(&val, 0, 1);
2246 sfaa(&val);
2247 return val;
2250 if ! compile_prog "" "" ; then
2251 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2255 #########################################
2256 # Solaris specific configure tool chain decisions
2258 if test "$solaris" = "yes" ; then
2259 if has ar; then
2261 else
2262 if test -f /usr/ccs/bin/ar ; then
2263 error_exit "No path includes ar" \
2264 "Add /usr/ccs/bin to your path and rerun configure"
2266 error_exit "No path includes ar"
2270 if test -z "${target_list+xxx}" ; then
2271 default_targets=yes
2272 for target in $default_target_list; do
2273 target_list="$target_list $target"
2274 done
2275 target_list="${target_list# }"
2276 else
2277 default_targets=no
2278 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2279 for target in $target_list; do
2280 # Check that we recognised the target name; this allows a more
2281 # friendly error message than if we let it fall through.
2282 case " $default_target_list " in
2283 *" $target "*)
2286 error_exit "Unknown target name '$target'"
2288 esac
2289 done
2292 for target in $target_list; do
2293 # if a deprecated target is enabled we note it here
2294 if echo "$deprecated_targets_list" | grep -q "$target"; then
2295 add_to deprecated_features $target
2297 done
2299 # see if system emulation was really requested
2300 case " $target_list " in
2301 *"-softmmu "*) softmmu=yes
2303 *) softmmu=no
2305 esac
2307 feature_not_found() {
2308 feature=$1
2309 remedy=$2
2311 error_exit "User requested feature $feature" \
2312 "configure was not able to find it." \
2313 "$remedy"
2316 # ---
2317 # big/little endian test
2318 cat > $TMPC << EOF
2319 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2320 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2321 extern int foo(short *, short *);
2322 int main(int argc, char *argv[]) {
2323 return foo(big_endian, little_endian);
2327 if compile_object ; then
2328 if strings -a $TMPO | grep -q BiGeNdIaN ; then
2329 bigendian="yes"
2330 elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2331 bigendian="no"
2332 else
2333 echo big/little test failed
2335 else
2336 echo big/little test failed
2339 ##########################################
2340 # system tools
2341 if test -z "$want_tools"; then
2342 if test "$softmmu" = "no"; then
2343 want_tools=no
2344 else
2345 want_tools=yes
2349 ##########################################
2350 # Disable features only meaningful for system-mode emulation
2351 if test "$softmmu" = "no"; then
2352 audio_drv_list=""
2355 ##########################################
2356 # Some versions of Mac OS X incorrectly define SIZE_MAX
2357 cat > $TMPC << EOF
2358 #include <stdint.h>
2359 #include <stdio.h>
2360 int main(int argc, char *argv[]) {
2361 return printf("%zu", SIZE_MAX);
2364 have_broken_size_max=no
2365 if ! compile_object -Werror ; then
2366 have_broken_size_max=yes
2369 ##########################################
2370 # L2TPV3 probe
2372 cat > $TMPC <<EOF
2373 #include <sys/socket.h>
2374 #include <linux/ip.h>
2375 int main(void) { return sizeof(struct mmsghdr); }
2377 if compile_prog "" "" ; then
2378 l2tpv3=yes
2379 else
2380 l2tpv3=no
2383 cat > $TMPC <<EOF
2384 #include <sys/mman.h>
2385 int main(int argc, char *argv[]) {
2386 return mlockall(MCL_FUTURE);
2389 if compile_prog "" "" ; then
2390 have_mlockall=yes
2391 else
2392 have_mlockall=no
2395 #########################################
2396 # vhost interdependencies and host support
2398 # vhost backends
2399 if test "$vhost_user" = "yes" && test "$linux" != "yes"; then
2400 error_exit "vhost-user is only available on Linux"
2402 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2403 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2404 error_exit "vhost-vdpa is only available on Linux"
2406 test "$vhost_kernel" = "" && vhost_kernel=$linux
2407 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2408 error_exit "vhost-kernel is only available on Linux"
2411 # vhost-kernel devices
2412 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2413 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2414 error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2416 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2417 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2418 error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2421 # vhost-user backends
2422 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2423 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2424 error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2426 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2427 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2428 error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2430 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2431 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2432 error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2434 #vhost-vdpa backends
2435 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2436 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2437 error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2440 # OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity
2441 if test "$vhost_net" = ""; then
2442 test "$vhost_net_user" = "yes" && vhost_net=yes
2443 test "$vhost_net_vdpa" = "yes" && vhost_net=yes
2444 test "$vhost_kernel" = "yes" && vhost_net=yes
2447 ##########################################
2448 # pkg-config probe
2450 if ! has "$pkg_config_exe"; then
2451 error_exit "pkg-config binary '$pkg_config_exe' not found"
2454 ##########################################
2455 # NPTL probe
2457 if test "$linux_user" = "yes"; then
2458 cat > $TMPC <<EOF
2459 #include <sched.h>
2460 #include <linux/futex.h>
2461 int main(void) {
2462 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2463 #error bork
2464 #endif
2465 return 0;
2468 if ! compile_object ; then
2469 feature_not_found "nptl" "Install glibc and linux kernel headers."
2473 ##########################################
2474 # xen probe
2476 if test "$xen" != "disabled" ; then
2477 # Check whether Xen library path is specified via --extra-ldflags to avoid
2478 # overriding this setting with pkg-config output. If not, try pkg-config
2479 # to obtain all needed flags.
2481 if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2482 $pkg_config --exists xencontrol ; then
2483 xen_ctrl_version="$(printf '%d%02d%02d' \
2484 $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2485 xen=enabled
2486 xen_pc="xencontrol xenstore xenforeignmemory xengnttab"
2487 xen_pc="$xen_pc xenevtchn xendevicemodel"
2488 if $pkg_config --exists xentoolcore; then
2489 xen_pc="$xen_pc xentoolcore"
2491 xen_cflags="$($pkg_config --cflags $xen_pc)"
2492 xen_libs="$($pkg_config --libs $xen_pc)"
2493 else
2495 xen_libs="-lxenstore -lxenctrl"
2496 xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2498 # First we test whether Xen headers and libraries are available.
2499 # If no, we are done and there is no Xen support.
2500 # If yes, more tests are run to detect the Xen version.
2502 # Xen (any)
2503 cat > $TMPC <<EOF
2504 #include <xenctrl.h>
2505 int main(void) {
2506 return 0;
2509 if ! compile_prog "" "$xen_libs" ; then
2510 # Xen not found
2511 if test "$xen" = "enabled" ; then
2512 feature_not_found "xen" "Install xen devel"
2514 xen=disabled
2516 # Xen unstable
2517 elif
2518 cat > $TMPC <<EOF &&
2519 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2520 #define __XEN_TOOLS__
2521 #include <xendevicemodel.h>
2522 #include <xenforeignmemory.h>
2523 int main(void) {
2524 xendevicemodel_handle *xd;
2525 xenforeignmemory_handle *xfmem;
2527 xd = xendevicemodel_open(0, 0);
2528 xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2530 xfmem = xenforeignmemory_open(0, 0);
2531 xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2533 return 0;
2536 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2537 then
2538 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2539 xen_ctrl_version=41100
2540 xen=enabled
2541 elif
2542 cat > $TMPC <<EOF &&
2543 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2544 #include <xenforeignmemory.h>
2545 #include <xentoolcore.h>
2546 int main(void) {
2547 xenforeignmemory_handle *xfmem;
2549 xfmem = xenforeignmemory_open(0, 0);
2550 xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2551 xentoolcore_restrict_all(0);
2553 return 0;
2556 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2557 then
2558 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2559 xen_ctrl_version=41000
2560 xen=enabled
2561 elif
2562 cat > $TMPC <<EOF &&
2563 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2564 #define __XEN_TOOLS__
2565 #include <xendevicemodel.h>
2566 int main(void) {
2567 xendevicemodel_handle *xd;
2569 xd = xendevicemodel_open(0, 0);
2570 xendevicemodel_close(xd);
2572 return 0;
2575 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2576 then
2577 xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2578 xen_ctrl_version=40900
2579 xen=enabled
2580 elif
2581 cat > $TMPC <<EOF &&
2583 * If we have stable libs the we don't want the libxc compat
2584 * layers, regardless of what CFLAGS we may have been given.
2586 * Also, check if xengnttab_grant_copy_segment_t is defined and
2587 * grant copy operation is implemented.
2589 #undef XC_WANT_COMPAT_EVTCHN_API
2590 #undef XC_WANT_COMPAT_GNTTAB_API
2591 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2592 #include <xenctrl.h>
2593 #include <xenstore.h>
2594 #include <xenevtchn.h>
2595 #include <xengnttab.h>
2596 #include <xenforeignmemory.h>
2597 #include <stdint.h>
2598 #include <xen/hvm/hvm_info_table.h>
2599 #if !defined(HVM_MAX_VCPUS)
2600 # error HVM_MAX_VCPUS not defined
2601 #endif
2602 int main(void) {
2603 xc_interface *xc = NULL;
2604 xenforeignmemory_handle *xfmem;
2605 xenevtchn_handle *xe;
2606 xengnttab_handle *xg;
2607 xengnttab_grant_copy_segment_t* seg = NULL;
2609 xs_daemon_open();
2611 xc = xc_interface_open(0, 0, 0);
2612 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2613 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2614 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2615 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2617 xfmem = xenforeignmemory_open(0, 0);
2618 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2620 xe = xenevtchn_open(0, 0);
2621 xenevtchn_fd(xe);
2623 xg = xengnttab_open(0, 0);
2624 xengnttab_grant_copy(xg, 0, seg);
2626 return 0;
2629 compile_prog "" "$xen_libs $xen_stable_libs"
2630 then
2631 xen_ctrl_version=40800
2632 xen=enabled
2633 elif
2634 cat > $TMPC <<EOF &&
2636 * If we have stable libs the we don't want the libxc compat
2637 * layers, regardless of what CFLAGS we may have been given.
2639 #undef XC_WANT_COMPAT_EVTCHN_API
2640 #undef XC_WANT_COMPAT_GNTTAB_API
2641 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2642 #include <xenctrl.h>
2643 #include <xenstore.h>
2644 #include <xenevtchn.h>
2645 #include <xengnttab.h>
2646 #include <xenforeignmemory.h>
2647 #include <stdint.h>
2648 #include <xen/hvm/hvm_info_table.h>
2649 #if !defined(HVM_MAX_VCPUS)
2650 # error HVM_MAX_VCPUS not defined
2651 #endif
2652 int main(void) {
2653 xc_interface *xc = NULL;
2654 xenforeignmemory_handle *xfmem;
2655 xenevtchn_handle *xe;
2656 xengnttab_handle *xg;
2658 xs_daemon_open();
2660 xc = xc_interface_open(0, 0, 0);
2661 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2662 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2663 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2664 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2666 xfmem = xenforeignmemory_open(0, 0);
2667 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2669 xe = xenevtchn_open(0, 0);
2670 xenevtchn_fd(xe);
2672 xg = xengnttab_open(0, 0);
2673 xengnttab_map_grant_ref(xg, 0, 0, 0);
2675 return 0;
2678 compile_prog "" "$xen_libs $xen_stable_libs"
2679 then
2680 xen_ctrl_version=40701
2681 xen=enabled
2683 # Xen 4.6
2684 elif
2685 cat > $TMPC <<EOF &&
2686 #include <xenctrl.h>
2687 #include <xenstore.h>
2688 #include <stdint.h>
2689 #include <xen/hvm/hvm_info_table.h>
2690 #if !defined(HVM_MAX_VCPUS)
2691 # error HVM_MAX_VCPUS not defined
2692 #endif
2693 int main(void) {
2694 xc_interface *xc;
2695 xs_daemon_open();
2696 xc = xc_interface_open(0, 0, 0);
2697 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2698 xc_gnttab_open(NULL, 0);
2699 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2700 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2701 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2702 xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2703 return 0;
2706 compile_prog "" "$xen_libs"
2707 then
2708 xen_ctrl_version=40600
2709 xen=enabled
2711 # Xen 4.5
2712 elif
2713 cat > $TMPC <<EOF &&
2714 #include <xenctrl.h>
2715 #include <xenstore.h>
2716 #include <stdint.h>
2717 #include <xen/hvm/hvm_info_table.h>
2718 #if !defined(HVM_MAX_VCPUS)
2719 # error HVM_MAX_VCPUS not defined
2720 #endif
2721 int main(void) {
2722 xc_interface *xc;
2723 xs_daemon_open();
2724 xc = xc_interface_open(0, 0, 0);
2725 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2726 xc_gnttab_open(NULL, 0);
2727 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2728 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2729 xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2730 return 0;
2733 compile_prog "" "$xen_libs"
2734 then
2735 xen_ctrl_version=40500
2736 xen=enabled
2738 elif
2739 cat > $TMPC <<EOF &&
2740 #include <xenctrl.h>
2741 #include <xenstore.h>
2742 #include <stdint.h>
2743 #include <xen/hvm/hvm_info_table.h>
2744 #if !defined(HVM_MAX_VCPUS)
2745 # error HVM_MAX_VCPUS not defined
2746 #endif
2747 int main(void) {
2748 xc_interface *xc;
2749 xs_daemon_open();
2750 xc = xc_interface_open(0, 0, 0);
2751 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2752 xc_gnttab_open(NULL, 0);
2753 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2754 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2755 return 0;
2758 compile_prog "" "$xen_libs"
2759 then
2760 xen_ctrl_version=40200
2761 xen=enabled
2763 else
2764 if test "$xen" = "enabled" ; then
2765 feature_not_found "xen (unsupported version)" \
2766 "Install a supported xen (xen 4.2 or newer)"
2768 xen=disabled
2771 if test "$xen" = enabled; then
2772 if test $xen_ctrl_version -ge 40701 ; then
2773 xen_libs="$xen_libs $xen_stable_libs "
2779 ##########################################
2780 # GNUTLS probe
2782 if test "$gnutls" != "no"; then
2783 pass="no"
2784 if $pkg_config --exists "gnutls >= 3.1.18"; then
2785 gnutls_cflags=$($pkg_config --cflags gnutls)
2786 gnutls_libs=$($pkg_config --libs gnutls)
2787 # Packaging for the static libraries is not always correct.
2788 # At least ubuntu 18.04 ships only shared libraries.
2789 write_c_skeleton
2790 if compile_prog "" "$gnutls_libs" ; then
2791 pass="yes"
2794 if test "$pass" = "no" && test "$gnutls" = "yes"; then
2795 feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2796 else
2797 gnutls="$pass"
2802 # If user didn't give a --disable/enable-gcrypt flag,
2803 # then mark as disabled if user requested nettle
2804 # explicitly
2805 if test -z "$gcrypt"
2806 then
2807 if test "$nettle" = "yes"
2808 then
2809 gcrypt="no"
2813 # If user didn't give a --disable/enable-nettle flag,
2814 # then mark as disabled if user requested gcrypt
2815 # explicitly
2816 if test -z "$nettle"
2817 then
2818 if test "$gcrypt" = "yes"
2819 then
2820 nettle="no"
2824 has_libgcrypt() {
2825 if ! has "libgcrypt-config"
2826 then
2827 return 1
2830 if test -n "$cross_prefix"
2831 then
2832 host=$(libgcrypt-config --host)
2833 if test "$host-" != $cross_prefix
2834 then
2835 return 1
2839 maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2840 min=`libgcrypt-config --version | awk -F . '{print $2}'`
2842 if test $maj != 1 || test $min -lt 5
2843 then
2844 return 1
2847 return 0
2851 if test "$nettle" != "no"; then
2852 pass="no"
2853 if $pkg_config --exists "nettle >= 2.7.1"; then
2854 nettle_cflags=$($pkg_config --cflags nettle)
2855 nettle_libs=$($pkg_config --libs nettle)
2856 nettle_version=$($pkg_config --modversion nettle)
2857 # Link test to make sure the given libraries work (e.g for static).
2858 write_c_skeleton
2859 if compile_prog "" "$nettle_libs" ; then
2860 if test -z "$gcrypt"; then
2861 gcrypt="no"
2863 pass="yes"
2866 if test "$pass" = "yes"
2867 then
2868 cat > $TMPC << EOF
2869 #include <nettle/xts.h>
2870 int main(void) {
2871 return 0;
2874 if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2875 nettle_xts=yes
2876 qemu_private_xts=no
2879 if test "$pass" = "no" && test "$nettle" = "yes"; then
2880 feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2881 else
2882 nettle="$pass"
2886 if test "$gcrypt" != "no"; then
2887 pass="no"
2888 if has_libgcrypt; then
2889 gcrypt_cflags=$(libgcrypt-config --cflags)
2890 gcrypt_libs=$(libgcrypt-config --libs)
2891 # Debian has removed -lgpg-error from libgcrypt-config
2892 # as it "spreads unnecessary dependencies" which in
2893 # turn breaks static builds...
2894 if test "$static" = "yes"
2895 then
2896 gcrypt_libs="$gcrypt_libs -lgpg-error"
2899 # Link test to make sure the given libraries work (e.g for static).
2900 write_c_skeleton
2901 if compile_prog "" "$gcrypt_libs" ; then
2902 pass="yes"
2905 if test "$pass" = "yes"; then
2906 gcrypt="yes"
2907 cat > $TMPC << EOF
2908 #include <gcrypt.h>
2909 int main(void) {
2910 gcry_mac_hd_t handle;
2911 gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2912 GCRY_MAC_FLAG_SECURE, NULL);
2913 return 0;
2916 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2917 gcrypt_hmac=yes
2919 cat > $TMPC << EOF
2920 #include <gcrypt.h>
2921 int main(void) {
2922 gcry_cipher_hd_t handle;
2923 gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
2924 return 0;
2927 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2928 gcrypt_xts=yes
2929 qemu_private_xts=no
2931 elif test "$gcrypt" = "yes"; then
2932 feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
2933 else
2934 gcrypt="no"
2939 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2940 then
2941 error_exit "Only one of gcrypt & nettle can be enabled"
2944 ##########################################
2945 # libtasn1 - only for the TLS creds/session test suite
2947 tasn1=yes
2948 tasn1_cflags=""
2949 tasn1_libs=""
2950 if $pkg_config --exists "libtasn1"; then
2951 tasn1_cflags=$($pkg_config --cflags libtasn1)
2952 tasn1_libs=$($pkg_config --libs libtasn1)
2953 else
2954 tasn1=no
2958 ##########################################
2959 # PAM probe
2961 if test "$auth_pam" != "no"; then
2962 cat > $TMPC <<EOF
2963 #include <security/pam_appl.h>
2964 #include <stdio.h>
2965 int main(void) {
2966 const char *service_name = "qemu";
2967 const char *user = "frank";
2968 const struct pam_conv pam_conv = { 0 };
2969 pam_handle_t *pamh = NULL;
2970 pam_start(service_name, user, &pam_conv, &pamh);
2971 return 0;
2974 if compile_prog "" "-lpam" ; then
2975 auth_pam=yes
2976 else
2977 if test "$auth_pam" = "yes"; then
2978 feature_not_found "PAM" "Install PAM development package"
2979 else
2980 auth_pam=no
2985 ##########################################
2986 # VTE probe
2988 if test "$vte" != "no"; then
2989 vteminversion="0.32.0"
2990 if $pkg_config --exists "vte-2.91"; then
2991 vtepackage="vte-2.91"
2992 else
2993 vtepackage="vte-2.90"
2995 if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2996 vte_cflags=$($pkg_config --cflags $vtepackage)
2997 vte_libs=$($pkg_config --libs $vtepackage)
2998 vteversion=$($pkg_config --modversion $vtepackage)
2999 vte="yes"
3000 elif test "$vte" = "yes"; then
3001 feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3002 else
3003 vte="no"
3007 ##########################################
3008 # RDMA needs OpenFabrics libraries
3009 if test "$rdma" != "no" ; then
3010 cat > $TMPC <<EOF
3011 #include <rdma/rdma_cma.h>
3012 int main(void) { return 0; }
3014 rdma_libs="-lrdmacm -libverbs -libumad"
3015 if compile_prog "" "$rdma_libs" ; then
3016 rdma="yes"
3017 else
3018 if test "$rdma" = "yes" ; then
3019 error_exit \
3020 " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3021 " Your options:" \
3022 " (1) Fast: Install infiniband packages (devel) from your distro." \
3023 " (2) Cleanest: Install libraries from www.openfabrics.org" \
3024 " (3) Also: Install softiwarp if you don't have RDMA hardware"
3026 rdma="no"
3030 ##########################################
3031 # PVRDMA detection
3033 cat > $TMPC <<EOF &&
3034 #include <sys/mman.h>
3037 main(void)
3039 char buf = 0;
3040 void *addr = &buf;
3041 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3043 return 0;
3047 if test "$rdma" = "yes" ; then
3048 case "$pvrdma" in
3050 if compile_prog "" ""; then
3051 pvrdma="yes"
3052 else
3053 pvrdma="no"
3056 "yes")
3057 if ! compile_prog "" ""; then
3058 error_exit "PVRDMA is not supported since mremap is not implemented"
3060 pvrdma="yes"
3062 "no")
3063 pvrdma="no"
3065 esac
3066 else
3067 if test "$pvrdma" = "yes" ; then
3068 error_exit "PVRDMA requires rdma suppport"
3070 pvrdma="no"
3073 # Let's see if enhanced reg_mr is supported
3074 if test "$pvrdma" = "yes" ; then
3076 cat > $TMPC <<EOF &&
3077 #include <infiniband/verbs.h>
3080 main(void)
3082 struct ibv_mr *mr;
3083 struct ibv_pd *pd = NULL;
3084 size_t length = 10;
3085 uint64_t iova = 0;
3086 int access = 0;
3087 void *addr = NULL;
3089 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3091 ibv_dereg_mr(mr);
3093 return 0;
3096 if ! compile_prog "" "-libverbs"; then
3097 QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3101 ##########################################
3102 # xfsctl() probe, used for file-posix.c
3103 if test "$xfs" != "no" ; then
3104 cat > $TMPC << EOF
3105 #include <stddef.h> /* NULL */
3106 #include <xfs/xfs.h>
3107 int main(void)
3109 xfsctl(NULL, 0, 0, NULL);
3110 return 0;
3113 if compile_prog "" "" ; then
3114 xfs="yes"
3115 else
3116 if test "$xfs" = "yes" ; then
3117 feature_not_found "xfs" "Install xfsprogs/xfslibs devel"
3119 xfs=no
3123 ##########################################
3124 # vde libraries probe
3125 if test "$vde" != "no" ; then
3126 vde_libs="-lvdeplug"
3127 cat > $TMPC << EOF
3128 #include <libvdeplug.h>
3129 int main(void)
3131 struct vde_open_args a = {0, 0, 0};
3132 char s[] = "";
3133 vde_open(s, s, &a);
3134 return 0;
3137 if compile_prog "" "$vde_libs" ; then
3138 vde=yes
3139 else
3140 if test "$vde" = "yes" ; then
3141 feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3143 vde=no
3147 ##########################################
3148 # netmap support probe
3149 # Apart from looking for netmap headers, we make sure that the host API version
3150 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3151 # a minor/major version number. Minor new features will be marked with values up
3152 # to 15, and if something happens that requires a change to the backend we will
3153 # move above 15, submit the backend fixes and modify this two bounds.
3154 if test "$netmap" != "no" ; then
3155 cat > $TMPC << EOF
3156 #include <inttypes.h>
3157 #include <net/if.h>
3158 #include <net/netmap.h>
3159 #include <net/netmap_user.h>
3160 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3161 #error
3162 #endif
3163 int main(void) { return 0; }
3165 if compile_prog "" "" ; then
3166 netmap=yes
3167 else
3168 if test "$netmap" = "yes" ; then
3169 feature_not_found "netmap"
3171 netmap=no
3175 ##########################################
3176 # detect CoreAudio
3177 if test "$coreaudio" != "no" ; then
3178 coreaudio_libs="-framework CoreAudio"
3179 cat > $TMPC << EOF
3180 #include <CoreAudio/CoreAudio.h>
3181 int main(void)
3183 return (int)AudioGetCurrentHostTime();
3186 if compile_prog "" "$coreaudio_libs" ; then
3187 coreaudio=yes
3188 else
3189 coreaudio=no
3193 ##########################################
3194 # Sound support libraries probe
3196 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3197 for drv in $audio_drv_list; do
3198 case $drv in
3199 alsa | try-alsa)
3200 if $pkg_config alsa --exists; then
3201 alsa_libs=$($pkg_config alsa --libs)
3202 alsa_cflags=$($pkg_config alsa --cflags)
3203 alsa=yes
3204 if test "$drv" = "try-alsa"; then
3205 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3207 else
3208 if test "$drv" = "try-alsa"; then
3209 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3210 else
3211 error_exit "$drv check failed" \
3212 "Make sure to have the $drv libs and headers installed."
3217 pa | try-pa)
3218 if $pkg_config libpulse --exists; then
3219 libpulse=yes
3220 pulse_libs=$($pkg_config libpulse --libs)
3221 pulse_cflags=$($pkg_config libpulse --cflags)
3222 if test "$drv" = "try-pa"; then
3223 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3225 else
3226 if test "$drv" = "try-pa"; then
3227 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3228 else
3229 error_exit "$drv check failed" \
3230 "Make sure to have the $drv libs and headers installed."
3235 sdl)
3236 if test "$sdl" = "no"; then
3237 error_exit "sdl not found or disabled, can not use sdl audio driver"
3241 try-sdl)
3242 if test "$sdl" = "no"; then
3243 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3244 else
3245 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3249 coreaudio | try-coreaudio)
3250 if test "$coreaudio" = "no"; then
3251 if test "$drv" = "try-coreaudio"; then
3252 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-coreaudio//')
3253 else
3254 error_exit "$drv check failed" \
3255 "Make sure to have the $drv is available."
3257 else
3258 coreaudio_libs="-framework CoreAudio"
3259 if test "$drv" = "try-coreaudio"; then
3260 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-coreaudio/coreaudio/')
3265 dsound)
3266 dsound_libs="-lole32 -ldxguid"
3267 audio_win_int="yes"
3270 oss)
3271 oss_libs="$oss_lib"
3274 jack | try-jack)
3275 if $pkg_config jack --exists; then
3276 libjack=yes
3277 jack_libs=$($pkg_config jack --libs)
3278 if test "$drv" = "try-jack"; then
3279 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3281 else
3282 if test "$drv" = "try-jack"; then
3283 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3284 else
3285 error_exit "$drv check failed" \
3286 "Make sure to have the $drv libs and headers installed."
3292 echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3293 error_exit "Unknown driver '$drv' selected" \
3294 "Possible drivers are: $audio_possible_drivers"
3297 esac
3298 done
3300 ##########################################
3301 # glib support probe
3303 glib_req_ver=2.48
3304 glib_modules=gthread-2.0
3305 if test "$modules" = yes; then
3306 glib_modules="$glib_modules gmodule-export-2.0"
3308 if test "$plugins" = yes; then
3309 glib_modules="$glib_modules gmodule-2.0"
3312 for i in $glib_modules; do
3313 if $pkg_config --atleast-version=$glib_req_ver $i; then
3314 glib_cflags=$($pkg_config --cflags $i)
3315 glib_libs=$($pkg_config --libs $i)
3316 else
3317 error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3319 done
3321 # This workaround is required due to a bug in pkg-config file for glib as it
3322 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3324 if test "$static" = yes && test "$mingw32" = yes; then
3325 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
3328 if ! test "$gio" = "no"; then
3329 pass=no
3330 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3331 gio_cflags=$($pkg_config --cflags gio-2.0)
3332 gio_libs=$($pkg_config --libs gio-2.0)
3333 gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3334 if [ ! -x "$gdbus_codegen" ]; then
3335 gdbus_codegen=
3337 # Check that the libraries actually work -- Ubuntu 18.04 ships
3338 # with pkg-config --static --libs data for gio-2.0 that is missing
3339 # -lblkid and will give a link error.
3340 cat > $TMPC <<EOF
3341 #include <gio/gio.h>
3342 int main(void)
3344 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
3345 return 0;
3348 if compile_prog "$gio_cflags" "$gio_libs" ; then
3349 pass=yes
3350 else
3351 pass=no
3354 if test "$pass" = "yes" &&
3355 $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3356 gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3357 gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3361 if test "$pass" = "no"; then
3362 if test "$gio" = "yes"; then
3363 feature_not_found "gio" "Install libgio >= 2.0"
3364 else
3365 gio=no
3367 else
3368 gio=yes
3372 # Sanity check that the current size_t matches the
3373 # size that glib thinks it should be. This catches
3374 # problems on multi-arch where people try to build
3375 # 32-bit QEMU while pointing at 64-bit glib headers
3376 cat > $TMPC <<EOF
3377 #include <glib.h>
3378 #include <unistd.h>
3380 #define QEMU_BUILD_BUG_ON(x) \
3381 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3383 int main(void) {
3384 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3385 return 0;
3389 if ! compile_prog "$glib_cflags" "$glib_libs" ; then
3390 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3391 "You probably need to set PKG_CONFIG_LIBDIR"\
3392 "to point to the right pkg-config files for your"\
3393 "build target"
3396 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3397 cat > $TMPC << EOF
3398 #include <glib.h>
3399 int main(void) { return 0; }
3401 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3402 if cc_has_warning_flag "-Wno-unknown-attributes"; then
3403 glib_cflags="-Wno-unknown-attributes $glib_cflags"
3404 CONFIGURE_CFLAGS="-Wno-unknown-attributes $CONFIGURE_CFLAGS"
3408 # Silence clang warnings triggered by glib < 2.57.2
3409 cat > $TMPC << EOF
3410 #include <glib.h>
3411 typedef struct Foo {
3412 int i;
3413 } Foo;
3414 static void foo_free(Foo *f)
3416 g_free(f);
3418 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
3419 int main(void) { return 0; }
3421 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3422 if cc_has_warning_flag "-Wno-unused-function"; then
3423 glib_cflags="$glib_cflags -Wno-unused-function"
3424 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
3428 ##########################################
3429 # SHA command probe for modules
3430 if test "$modules" = yes; then
3431 shacmd_probe="sha1sum sha1 shasum"
3432 for c in $shacmd_probe; do
3433 if has $c; then
3434 shacmd="$c"
3435 break
3437 done
3438 if test "$shacmd" = ""; then
3439 error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3443 ##########################################
3444 # pthread probe
3445 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3447 pthread=no
3448 cat > $TMPC << EOF
3449 #include <pthread.h>
3450 static void *f(void *p) { return NULL; }
3451 int main(void) {
3452 pthread_t thread;
3453 pthread_create(&thread, 0, f, 0);
3454 return 0;
3457 if compile_prog "" "" ; then
3458 pthread=yes
3459 else
3460 for pthread_lib in $PTHREADLIBS_LIST; do
3461 if compile_prog "" "$pthread_lib" ; then
3462 pthread=yes
3463 break
3465 done
3468 if test "$mingw32" != yes && test "$pthread" = no; then
3469 error_exit "pthread check failed" \
3470 "Make sure to have the pthread libs and headers installed."
3473 # check for pthread_setname_np with thread id
3474 pthread_setname_np_w_tid=no
3475 cat > $TMPC << EOF
3476 #include <pthread.h>
3478 static void *f(void *p) { return NULL; }
3479 int main(void)
3481 pthread_t thread;
3482 pthread_create(&thread, 0, f, 0);
3483 pthread_setname_np(thread, "QEMU");
3484 return 0;
3487 if compile_prog "" "$pthread_lib" ; then
3488 pthread_setname_np_w_tid=yes
3491 # check for pthread_setname_np without thread id
3492 pthread_setname_np_wo_tid=no
3493 cat > $TMPC << EOF
3494 #include <pthread.h>
3496 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
3497 int main(void)
3499 pthread_t thread;
3500 pthread_create(&thread, 0, f, 0);
3501 return 0;
3504 if compile_prog "" "$pthread_lib" ; then
3505 pthread_setname_np_wo_tid=yes
3508 ##########################################
3509 # libssh probe
3510 if test "$libssh" != "no" ; then
3511 if $pkg_config --exists libssh; then
3512 libssh_cflags=$($pkg_config libssh --cflags)
3513 libssh_libs=$($pkg_config libssh --libs)
3514 libssh=yes
3515 else
3516 if test "$libssh" = "yes" ; then
3517 error_exit "libssh required for --enable-libssh"
3519 libssh=no
3523 ##########################################
3524 # Check for libssh 0.8
3525 # This is done like this instead of using the LIBSSH_VERSION_* and
3526 # SSH_VERSION_* macros because some distributions in the past shipped
3527 # snapshots of the future 0.8 from Git, and those snapshots did not
3528 # have updated version numbers (still referring to 0.7.0).
3530 if test "$libssh" = "yes"; then
3531 cat > $TMPC <<EOF
3532 #include <libssh/libssh.h>
3533 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
3535 if compile_prog "$libssh_cflags" "$libssh_libs"; then
3536 libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
3540 ##########################################
3541 # linux-aio probe
3543 if test "$linux_aio" != "no" ; then
3544 cat > $TMPC <<EOF
3545 #include <libaio.h>
3546 #include <sys/eventfd.h>
3547 #include <stddef.h>
3548 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3550 if compile_prog "" "-laio" ; then
3551 linux_aio=yes
3552 else
3553 if test "$linux_aio" = "yes" ; then
3554 feature_not_found "linux AIO" "Install libaio devel"
3556 linux_aio=no
3559 ##########################################
3560 # linux-io-uring probe
3562 if test "$linux_io_uring" != "no" ; then
3563 if $pkg_config liburing; then
3564 linux_io_uring_cflags=$($pkg_config --cflags liburing)
3565 linux_io_uring_libs=$($pkg_config --libs liburing)
3566 linux_io_uring=yes
3567 else
3568 if test "$linux_io_uring" = "yes" ; then
3569 feature_not_found "linux io_uring" "Install liburing devel"
3571 linux_io_uring=no
3575 ##########################################
3576 # TPM emulation is only on POSIX
3578 if test "$tpm" = ""; then
3579 if test "$mingw32" = "yes"; then
3580 tpm=no
3581 else
3582 tpm=yes
3584 elif test "$tpm" = "yes"; then
3585 if test "$mingw32" = "yes" ; then
3586 error_exit "TPM emulation only available on POSIX systems"
3590 ##########################################
3591 # iovec probe
3592 cat > $TMPC <<EOF
3593 #include <sys/types.h>
3594 #include <sys/uio.h>
3595 #include <unistd.h>
3596 int main(void) { return sizeof(struct iovec); }
3598 iovec=no
3599 if compile_prog "" "" ; then
3600 iovec=yes
3603 ##########################################
3604 # fdt probe
3606 case "$fdt" in
3607 auto | enabled | internal)
3608 # Simpler to always update submodule, even if not needed.
3609 if test "$git_submodules_action" != "ignore"; then
3610 git_submodules="${git_submodules} dtc"
3613 esac
3615 ##########################################
3616 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3618 gbm="no"
3619 if $pkg_config gbm; then
3620 gbm_cflags="$($pkg_config --cflags gbm)"
3621 gbm_libs="$($pkg_config --libs gbm)"
3622 gbm="yes"
3625 if test "$opengl" != "no" ; then
3626 epoxy=no
3627 if $pkg_config epoxy; then
3628 cat > $TMPC << EOF
3629 #include <epoxy/egl.h>
3630 int main(void) { return 0; }
3632 if compile_prog "" "" ; then
3633 epoxy=yes
3637 if test "$epoxy" = "yes" ; then
3638 opengl_cflags="$($pkg_config --cflags epoxy)"
3639 opengl_libs="$($pkg_config --libs epoxy)"
3640 opengl=yes
3641 else
3642 if test "$opengl" = "yes" ; then
3643 feature_not_found "opengl" "Please install epoxy with EGL"
3645 opengl_cflags=""
3646 opengl_libs=""
3647 opengl=no
3651 ##########################################
3652 # libxml2 probe
3653 if test "$libxml2" != "no" ; then
3654 if $pkg_config --exists libxml-2.0; then
3655 libxml2="yes"
3656 libxml2_cflags=$($pkg_config --cflags libxml-2.0)
3657 libxml2_libs=$($pkg_config --libs libxml-2.0)
3658 else
3659 if test "$libxml2" = "yes"; then
3660 feature_not_found "libxml2" "Install libxml2 devel"
3662 libxml2="no"
3666 # Check for inotify functions when we are building linux-user
3667 # emulator. This is done because older glibc versions don't
3668 # have syscall stubs for these implemented. In that case we
3669 # don't provide them even if kernel supports them.
3671 inotify=no
3672 cat > $TMPC << EOF
3673 #include <sys/inotify.h>
3676 main(void)
3678 /* try to start inotify */
3679 return inotify_init();
3682 if compile_prog "" "" ; then
3683 inotify=yes
3686 inotify1=no
3687 cat > $TMPC << EOF
3688 #include <sys/inotify.h>
3691 main(void)
3693 /* try to start inotify */
3694 return inotify_init1(0);
3697 if compile_prog "" "" ; then
3698 inotify1=yes
3701 # check if pipe2 is there
3702 pipe2=no
3703 cat > $TMPC << EOF
3704 #include <unistd.h>
3705 #include <fcntl.h>
3707 int main(void)
3709 int pipefd[2];
3710 return pipe2(pipefd, O_CLOEXEC);
3713 if compile_prog "" "" ; then
3714 pipe2=yes
3717 # check if accept4 is there
3718 accept4=no
3719 cat > $TMPC << EOF
3720 #include <sys/socket.h>
3721 #include <stddef.h>
3723 int main(void)
3725 accept4(0, NULL, NULL, SOCK_CLOEXEC);
3726 return 0;
3729 if compile_prog "" "" ; then
3730 accept4=yes
3733 # check if tee/splice is there. vmsplice was added same time.
3734 splice=no
3735 cat > $TMPC << EOF
3736 #include <unistd.h>
3737 #include <fcntl.h>
3738 #include <limits.h>
3740 int main(void)
3742 int len, fd = 0;
3743 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3744 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3745 return 0;
3748 if compile_prog "" "" ; then
3749 splice=yes
3752 ##########################################
3753 # libnuma probe
3755 if test "$numa" != "no" ; then
3756 cat > $TMPC << EOF
3757 #include <numa.h>
3758 int main(void) { return numa_available(); }
3761 if compile_prog "" "-lnuma" ; then
3762 numa=yes
3763 numa_libs="-lnuma"
3764 else
3765 if test "$numa" = "yes" ; then
3766 feature_not_found "numa" "install numactl devel"
3768 numa=no
3772 malloc=system
3773 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
3774 echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
3775 exit 1
3776 elif test "$tcmalloc" = "yes" ; then
3777 malloc=tcmalloc
3778 elif test "$jemalloc" = "yes" ; then
3779 malloc=jemalloc
3782 ##########################################
3783 # signalfd probe
3784 signalfd="no"
3785 cat > $TMPC << EOF
3786 #include <unistd.h>
3787 #include <sys/syscall.h>
3788 #include <signal.h>
3789 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
3792 if compile_prog "" "" ; then
3793 signalfd=yes
3796 # check if optreset global is declared by <getopt.h>
3797 optreset="no"
3798 cat > $TMPC << EOF
3799 #include <getopt.h>
3800 int main(void) { return optreset; }
3803 if compile_prog "" "" ; then
3804 optreset=yes
3807 # check if eventfd is supported
3808 eventfd=no
3809 cat > $TMPC << EOF
3810 #include <sys/eventfd.h>
3812 int main(void)
3814 return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
3817 if compile_prog "" "" ; then
3818 eventfd=yes
3821 # check if memfd is supported
3822 memfd=no
3823 cat > $TMPC << EOF
3824 #include <sys/mman.h>
3826 int main(void)
3828 return memfd_create("foo", MFD_ALLOW_SEALING);
3831 if compile_prog "" "" ; then
3832 memfd=yes
3835 # check for usbfs
3836 have_usbfs=no
3837 if test "$linux_user" = "yes"; then
3838 cat > $TMPC << EOF
3839 #include <linux/usbdevice_fs.h>
3841 #ifndef USBDEVFS_GET_CAPABILITIES
3842 #error "USBDEVFS_GET_CAPABILITIES undefined"
3843 #endif
3845 #ifndef USBDEVFS_DISCONNECT_CLAIM
3846 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
3847 #endif
3849 int main(void)
3851 return 0;
3854 if compile_prog "" ""; then
3855 have_usbfs=yes
3859 # check for fallocate
3860 fallocate=no
3861 cat > $TMPC << EOF
3862 #include <fcntl.h>
3864 int main(void)
3866 fallocate(0, 0, 0, 0);
3867 return 0;
3870 if compile_prog "" "" ; then
3871 fallocate=yes
3874 # check for fallocate hole punching
3875 fallocate_punch_hole=no
3876 cat > $TMPC << EOF
3877 #include <fcntl.h>
3878 #include <linux/falloc.h>
3880 int main(void)
3882 fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
3883 return 0;
3886 if compile_prog "" "" ; then
3887 fallocate_punch_hole=yes
3890 # check that fallocate supports range zeroing inside the file
3891 fallocate_zero_range=no
3892 cat > $TMPC << EOF
3893 #include <fcntl.h>
3894 #include <linux/falloc.h>
3896 int main(void)
3898 fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
3899 return 0;
3902 if compile_prog "" "" ; then
3903 fallocate_zero_range=yes
3906 # check for posix_fallocate
3907 posix_fallocate=no
3908 cat > $TMPC << EOF
3909 #include <fcntl.h>
3911 int main(void)
3913 posix_fallocate(0, 0, 0);
3914 return 0;
3917 if compile_prog "" "" ; then
3918 posix_fallocate=yes
3921 # check for sync_file_range
3922 sync_file_range=no
3923 cat > $TMPC << EOF
3924 #include <fcntl.h>
3926 int main(void)
3928 sync_file_range(0, 0, 0, 0);
3929 return 0;
3932 if compile_prog "" "" ; then
3933 sync_file_range=yes
3936 # check for linux/fiemap.h and FS_IOC_FIEMAP
3937 fiemap=no
3938 cat > $TMPC << EOF
3939 #include <sys/ioctl.h>
3940 #include <linux/fs.h>
3941 #include <linux/fiemap.h>
3943 int main(void)
3945 ioctl(0, FS_IOC_FIEMAP, 0);
3946 return 0;
3949 if compile_prog "" "" ; then
3950 fiemap=yes
3953 # check for dup3
3954 dup3=no
3955 cat > $TMPC << EOF
3956 #include <unistd.h>
3958 int main(void)
3960 dup3(0, 0, 0);
3961 return 0;
3964 if compile_prog "" "" ; then
3965 dup3=yes
3968 # check for ppoll support
3969 ppoll=no
3970 cat > $TMPC << EOF
3971 #include <poll.h>
3973 int main(void)
3975 struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
3976 ppoll(&pfd, 1, 0, 0);
3977 return 0;
3980 if compile_prog "" "" ; then
3981 ppoll=yes
3984 # check for prctl(PR_SET_TIMERSLACK , ... ) support
3985 prctl_pr_set_timerslack=no
3986 cat > $TMPC << EOF
3987 #include <sys/prctl.h>
3989 int main(void)
3991 prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
3992 return 0;
3995 if compile_prog "" "" ; then
3996 prctl_pr_set_timerslack=yes
3999 # check for epoll support
4000 epoll=no
4001 cat > $TMPC << EOF
4002 #include <sys/epoll.h>
4004 int main(void)
4006 epoll_create(0);
4007 return 0;
4010 if compile_prog "" "" ; then
4011 epoll=yes
4014 # epoll_create1 is a later addition
4015 # so we must check separately for its presence
4016 epoll_create1=no
4017 cat > $TMPC << EOF
4018 #include <sys/epoll.h>
4020 int main(void)
4022 /* Note that we use epoll_create1 as a value, not as
4023 * a function being called. This is necessary so that on
4024 * old SPARC glibc versions where the function was present in
4025 * the library but not declared in the header file we will
4026 * fail the configure check. (Otherwise we will get a compiler
4027 * warning but not an error, and will proceed to fail the
4028 * qemu compile where we compile with -Werror.)
4030 return (int)(uintptr_t)&epoll_create1;
4033 if compile_prog "" "" ; then
4034 epoll_create1=yes
4037 # check for sendfile support
4038 sendfile=no
4039 cat > $TMPC << EOF
4040 #include <sys/sendfile.h>
4042 int main(void)
4044 return sendfile(0, 0, 0, 0);
4047 if compile_prog "" "" ; then
4048 sendfile=yes
4051 # check for timerfd support (glibc 2.8 and newer)
4052 timerfd=no
4053 cat > $TMPC << EOF
4054 #include <sys/timerfd.h>
4056 int main(void)
4058 return(timerfd_create(CLOCK_REALTIME, 0));
4061 if compile_prog "" "" ; then
4062 timerfd=yes
4065 # check for setns and unshare support
4066 setns=no
4067 cat > $TMPC << EOF
4068 #include <sched.h>
4070 int main(void)
4072 int ret;
4073 ret = setns(0, 0);
4074 ret = unshare(0);
4075 return ret;
4078 if compile_prog "" "" ; then
4079 setns=yes
4082 # clock_adjtime probe
4083 clock_adjtime=no
4084 cat > $TMPC <<EOF
4085 #include <time.h>
4086 #include <sys/timex.h>
4088 int main(void)
4090 return clock_adjtime(0, 0);
4093 clock_adjtime=no
4094 if compile_prog "" "" ; then
4095 clock_adjtime=yes
4098 # syncfs probe
4099 syncfs=no
4100 cat > $TMPC <<EOF
4101 #include <unistd.h>
4103 int main(void)
4105 return syncfs(0);
4108 syncfs=no
4109 if compile_prog "" "" ; then
4110 syncfs=yes
4113 # Search for bswap_32 function
4114 byteswap_h=no
4115 cat > $TMPC << EOF
4116 #include <byteswap.h>
4117 int main(void) { return bswap_32(0); }
4119 if compile_prog "" "" ; then
4120 byteswap_h=yes
4123 # Search for bswap32 function
4124 bswap_h=no
4125 cat > $TMPC << EOF
4126 #include <sys/endian.h>
4127 #include <sys/types.h>
4128 #include <machine/bswap.h>
4129 int main(void) { return bswap32(0); }
4131 if compile_prog "" "" ; then
4132 bswap_h=yes
4135 # Check whether we have openpty() in either libc or libutil
4136 cat > $TMPC << EOF
4137 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4138 int main(void) { return openpty(0, 0, 0, 0, 0); }
4141 have_openpty="no"
4142 if compile_prog "" "" ; then
4143 have_openpty="yes"
4144 else
4145 if compile_prog "" "-lutil" ; then
4146 have_openpty="yes"
4150 ##########################################
4151 # spice probe
4152 if test "$spice" != "no" ; then
4153 cat > $TMPC << EOF
4154 #include <spice.h>
4155 int main(void) { spice_server_new(); return 0; }
4157 spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4158 spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4159 if $pkg_config --atleast-version=0.12.5 spice-server && \
4160 $pkg_config --atleast-version=0.12.3 spice-protocol && \
4161 compile_prog "$spice_cflags" "$spice_libs" ; then
4162 spice="yes"
4163 else
4164 if test "$spice" = "yes" ; then
4165 feature_not_found "spice" \
4166 "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4168 spice="no"
4172 # check for smartcard support
4173 if test "$smartcard" != "no"; then
4174 if $pkg_config --atleast-version=2.5.1 libcacard; then
4175 libcacard_cflags=$($pkg_config --cflags libcacard)
4176 libcacard_libs=$($pkg_config --libs libcacard)
4177 smartcard="yes"
4178 else
4179 if test "$smartcard" = "yes"; then
4180 feature_not_found "smartcard" "Install libcacard devel"
4182 smartcard="no"
4186 # check for libusb
4187 if test "$libusb" != "no" ; then
4188 if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4189 libusb="yes"
4190 libusb_cflags=$($pkg_config --cflags libusb-1.0)
4191 libusb_libs=$($pkg_config --libs libusb-1.0)
4192 else
4193 if test "$libusb" = "yes"; then
4194 feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4196 libusb="no"
4200 # check for usbredirparser for usb network redirection support
4201 if test "$usb_redir" != "no" ; then
4202 if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4203 usb_redir="yes"
4204 usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4205 usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4206 else
4207 if test "$usb_redir" = "yes"; then
4208 feature_not_found "usb-redir" "Install usbredir devel"
4210 usb_redir="no"
4214 ##########################################
4215 # check if we have VSS SDK headers for win
4217 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4218 test "$vss_win32_sdk" != "no" ; then
4219 case "$vss_win32_sdk" in
4220 "") vss_win32_include="-isystem $source_path" ;;
4221 *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4222 # handle path with spaces. So we symlink the headers into ".sdk/vss".
4223 vss_win32_include="-isystem $source_path/.sdk/vss"
4224 symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4226 *) vss_win32_include="-isystem $vss_win32_sdk"
4227 esac
4228 cat > $TMPC << EOF
4229 #define __MIDL_user_allocate_free_DEFINED__
4230 #include <inc/win2003/vss.h>
4231 int main(void) { return VSS_CTX_BACKUP; }
4233 if compile_prog "$vss_win32_include" "" ; then
4234 guest_agent_with_vss="yes"
4235 QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4236 libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4237 qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4238 else
4239 if test "$vss_win32_sdk" != "" ; then
4240 echo "ERROR: Please download and install Microsoft VSS SDK:"
4241 echo "ERROR: http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4242 echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4243 echo "ERROR: scripts/extract-vsssdk-headers setup.exe"
4244 echo "ERROR: The headers are extracted in the directory \`inc'."
4245 feature_not_found "VSS support"
4247 guest_agent_with_vss="no"
4251 ##########################################
4252 # lookup Windows platform SDK (if not specified)
4253 # The SDK is needed only to build .tlb (type library) file of guest agent
4254 # VSS provider from the source. It is usually unnecessary because the
4255 # pre-compiled .tlb file is included.
4257 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4258 test "$guest_agent_with_vss" = "yes" ; then
4259 if test -z "$win_sdk"; then
4260 programfiles="$PROGRAMFILES"
4261 test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4262 if test -n "$programfiles"; then
4263 win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4264 else
4265 feature_not_found "Windows SDK"
4267 elif test "$win_sdk" = "no"; then
4268 win_sdk=""
4272 ##########################################
4273 # check if mingw environment provides a recent ntddscsi.h
4274 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4275 cat > $TMPC << EOF
4276 #include <windows.h>
4277 #include <ntddscsi.h>
4278 int main(void) {
4279 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4280 #error Missing required ioctl definitions
4281 #endif
4282 SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4283 return addr.Lun;
4286 if compile_prog "" "" ; then
4287 guest_agent_ntddscsi=yes
4288 libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
4292 ##########################################
4293 # virgl renderer probe
4295 if test "$virglrenderer" != "no" ; then
4296 cat > $TMPC << EOF
4297 #include <virglrenderer.h>
4298 int main(void) { virgl_renderer_poll(); return 0; }
4300 virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4301 virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4302 virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
4303 if $pkg_config virglrenderer >/dev/null 2>&1 && \
4304 compile_prog "$virgl_cflags" "$virgl_libs" ; then
4305 virglrenderer="yes"
4306 else
4307 if test "$virglrenderer" = "yes" ; then
4308 feature_not_found "virglrenderer"
4310 virglrenderer="no"
4314 ##########################################
4315 # capstone
4317 case "$capstone" in
4318 auto | enabled | internal)
4319 # Simpler to always update submodule, even if not needed.
4320 if test "$git_submodules_action" != "ignore"; then
4321 git_submodules="${git_submodules} capstone"
4324 esac
4326 ##########################################
4327 # check if we have fdatasync
4329 fdatasync=no
4330 cat > $TMPC << EOF
4331 #include <unistd.h>
4332 int main(void) {
4333 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4334 return fdatasync(0);
4335 #else
4336 #error Not supported
4337 #endif
4340 if compile_prog "" "" ; then
4341 fdatasync=yes
4344 ##########################################
4345 # check if we have madvise
4347 madvise=no
4348 cat > $TMPC << EOF
4349 #include <sys/types.h>
4350 #include <sys/mman.h>
4351 #include <stddef.h>
4352 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4354 if compile_prog "" "" ; then
4355 madvise=yes
4358 ##########################################
4359 # check if we have posix_madvise
4361 posix_madvise=no
4362 cat > $TMPC << EOF
4363 #include <sys/mman.h>
4364 #include <stddef.h>
4365 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4367 if compile_prog "" "" ; then
4368 posix_madvise=yes
4371 ##########################################
4372 # check if we have posix_memalign()
4374 posix_memalign=no
4375 cat > $TMPC << EOF
4376 #include <stdlib.h>
4377 int main(void) {
4378 void *p;
4379 return posix_memalign(&p, 8, 8);
4382 if compile_prog "" "" ; then
4383 posix_memalign=yes
4386 ##########################################
4387 # check if we have posix_syslog
4389 posix_syslog=no
4390 cat > $TMPC << EOF
4391 #include <syslog.h>
4392 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4394 if compile_prog "" "" ; then
4395 posix_syslog=yes
4398 ##########################################
4399 # check if we have sem_timedwait
4401 sem_timedwait=no