tests/acceptance: Add virtiofs_submounts.py
[qemu.git] / configure
blob83610b0db8eaf3a56e90126fcc76cf4ac7995359
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 print_error() {
93 (echo
94 echo "ERROR: $1"
95 while test -n "$2"; do
96 echo " $2"
97 shift
98 done
99 echo) >&2
102 error_exit() {
103 print_error "$@"
104 exit 1
107 do_compiler() {
108 # Run the compiler, capturing its output to the log. First argument
109 # is compiler binary to execute.
110 local compiler="$1"
111 shift
112 if test -n "$BASH_VERSION"; then eval '
113 echo >>config.log "
114 funcs: ${FUNCNAME[*]}
115 lines: ${BASH_LINENO[*]}"
116 '; fi
117 echo $compiler "$@" >> config.log
118 $compiler "$@" >> config.log 2>&1 || return $?
119 # Test passed. If this is an --enable-werror build, rerun
120 # the test with -Werror and bail out if it fails. This
121 # makes warning-generating-errors in configure test code
122 # obvious to developers.
123 if test "$werror" != "yes"; then
124 return 0
126 # Don't bother rerunning the compile if we were already using -Werror
127 case "$*" in
128 *-Werror*)
129 return 0
131 esac
132 echo $compiler -Werror "$@" >> config.log
133 $compiler -Werror "$@" >> config.log 2>&1 && return $?
134 error_exit "configure test passed without -Werror but failed with -Werror." \
135 "This is probably a bug in the configure script. The failing command" \
136 "will be at the bottom of config.log." \
137 "You can run configure with --disable-werror to bypass this check."
140 do_cc() {
141 do_compiler "$cc" "$@"
144 do_cxx() {
145 do_compiler "$cxx" "$@"
148 # Append $2 to the variable named $1, with space separation
149 add_to() {
150 eval $1=\${$1:+\"\$$1 \"}\$2
153 update_cxxflags() {
154 # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
155 # options which some versions of GCC's C++ compiler complain about
156 # because they only make sense for C programs.
157 QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
158 CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu99/-std=gnu++11/)
159 for arg in $QEMU_CFLAGS; do
160 case $arg in
161 -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
162 -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
165 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
167 esac
168 done
171 compile_object() {
172 local_cflags="$1"
173 do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
176 compile_prog() {
177 local_cflags="$1"
178 local_ldflags="$2"
179 do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \
180 $LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags
183 # symbolically link $1 to $2. Portable version of "ln -sf".
184 symlink() {
185 rm -rf "$2"
186 mkdir -p "$(dirname "$2")"
187 ln -s "$1" "$2"
190 # check whether a command is available to this shell (may be either an
191 # executable or a builtin)
192 has() {
193 type "$1" >/dev/null 2>&1
196 version_ge () {
197 local_ver1=`echo $1 | tr . ' '`
198 local_ver2=`echo $2 | tr . ' '`
199 while true; do
200 set x $local_ver1
201 local_first=${2-0}
202 # 'shift 2' if $2 is set, or 'shift' if $2 is not set
203 shift ${2:+2}
204 local_ver1=$*
205 set x $local_ver2
206 # the second argument finished, the first must be greater or equal
207 test $# = 1 && return 0
208 test $local_first -lt $2 && return 1
209 test $local_first -gt $2 && return 0
210 shift ${2:+2}
211 local_ver2=$*
212 done
215 have_backend () {
216 echo "$trace_backends" | grep "$1" >/dev/null
219 glob() {
220 eval test -z '"${1#'"$2"'}"'
223 ld_has() {
224 $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
227 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
228 then
229 error_exit "main directory cannot contain spaces nor colons"
232 # default parameters
233 cpu=""
234 iasl="iasl"
235 interp_prefix="/usr/gnemul/qemu-%M"
236 static="no"
237 cross_prefix=""
238 audio_drv_list=""
239 block_drv_rw_whitelist=""
240 block_drv_ro_whitelist=""
241 host_cc="cc"
242 audio_win_int=""
243 libs_qga=""
244 debug_info="yes"
245 stack_protector=""
246 safe_stack=""
247 use_containers="yes"
248 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
250 if test -e "$source_path/.git"
251 then
252 git_update=yes
253 git_submodules="ui/keycodemapdb"
254 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
255 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
256 else
257 git_update=no
258 git_submodules=""
260 if ! test -f "$source_path/ui/keycodemapdb/README"
261 then
262 echo
263 echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
264 echo
265 echo "This is not a GIT checkout but module content appears to"
266 echo "be missing. Do not use 'git archive' or GitHub download links"
267 echo "to acquire QEMU source archives. Non-GIT builds are only"
268 echo "supported with source archives linked from:"
269 echo
270 echo " https://www.qemu.org/download/#source"
271 echo
272 echo "Developers working with GIT can use scripts/archive-source.sh"
273 echo "if they need to create valid source archives."
274 echo
275 exit 1
278 git="git"
280 # Don't accept a target_list environment variable.
281 unset target_list
282 unset target_list_exclude
284 # Default value for a variable defining feature "foo".
285 # * foo="no" feature will only be used if --enable-foo arg is given
286 # * foo="" feature will be searched for, and if found, will be used
287 # unless --disable-foo is given
288 # * foo="yes" this value will only be set by --enable-foo flag.
289 # feature will searched for,
290 # if not found, configure exits with error
292 # Always add --enable-foo and --disable-foo command line args.
293 # Distributions want to ensure that several features are compiled in, and it
294 # is impossible without a --enable-foo that exits if a feature is not found.
296 brlapi=""
297 curl=""
298 iconv="auto"
299 curses="auto"
300 docs="auto"
301 fdt="auto"
302 netmap="no"
303 sdl="auto"
304 sdl_image="auto"
305 virtiofsd="auto"
306 virtfs=""
307 libudev="auto"
308 mpath="auto"
309 vnc="enabled"
310 sparse="auto"
311 vde=""
312 vnc_sasl="auto"
313 vnc_jpeg="auto"
314 vnc_png="auto"
315 xkbcommon="auto"
316 xen=""
317 xen_ctrl_version=""
318 xen_pci_passthrough="auto"
319 linux_aio=""
320 linux_io_uring=""
321 cap_ng=""
322 attr=""
323 libattr=""
324 xfs=""
325 tcg="enabled"
326 membarrier=""
327 vhost_net=""
328 vhost_crypto=""
329 vhost_scsi=""
330 vhost_vsock=""
331 vhost_user=""
332 vhost_user_fs=""
333 kvm="auto"
334 hax="auto"
335 hvf="auto"
336 whpx="auto"
337 rdma=""
338 pvrdma=""
339 gprof="no"
340 debug_tcg="no"
341 debug="no"
342 sanitizers="no"
343 tsan="no"
344 fortify_source=""
345 strip_opt="yes"
346 tcg_interpreter="no"
347 bigendian="no"
348 mingw32="no"
349 gcov="no"
350 EXESUF=""
351 HOST_DSOSUF=".so"
352 modules="no"
353 module_upgrades="no"
354 prefix="/usr/local"
355 qemu_suffix="qemu"
356 slirp="auto"
357 oss_lib=""
358 bsd="no"
359 linux="no"
360 solaris="no"
361 profiler="no"
362 cocoa="auto"
363 softmmu="yes"
364 linux_user="no"
365 bsd_user="no"
366 blobs="true"
367 pkgversion=""
368 pie=""
369 qom_cast_debug="yes"
370 trace_backends="log"
371 trace_file="trace"
372 spice=""
373 rbd=""
374 smartcard=""
375 u2f="auto"
376 libusb=""
377 usb_redir=""
378 opengl=""
379 opengl_dmabuf="no"
380 cpuid_h="no"
381 avx2_opt=""
382 capstone="auto"
383 lzo=""
384 snappy=""
385 bzip2=""
386 lzfse=""
387 zstd=""
388 guest_agent=""
389 guest_agent_with_vss="no"
390 guest_agent_ntddscsi="no"
391 guest_agent_msi=""
392 vss_win32_sdk=""
393 win_sdk="no"
394 want_tools=""
395 libiscsi=""
396 libnfs=""
397 coroutine=""
398 coroutine_pool=""
399 debug_stack_usage="no"
400 crypto_afalg="no"
401 seccomp=""
402 glusterfs=""
403 glusterfs_xlator_opt="no"
404 glusterfs_discard="no"
405 glusterfs_fallocate="no"
406 glusterfs_zerofill="no"
407 glusterfs_ftruncate_has_stat="no"
408 glusterfs_iocb_has_stat="no"
409 gtk=""
410 gtk_gl="no"
411 tls_priority="NORMAL"
412 gnutls=""
413 nettle=""
414 nettle_xts="no"
415 gcrypt=""
416 gcrypt_hmac="no"
417 gcrypt_xts="no"
418 qemu_private_xts="yes"
419 auth_pam=""
420 vte=""
421 virglrenderer=""
422 tpm=""
423 libssh=""
424 live_block_migration="yes"
425 numa=""
426 tcmalloc="no"
427 jemalloc="no"
428 replication="yes"
429 bochs="yes"
430 cloop="yes"
431 dmg="yes"
432 qcow1="yes"
433 vdi="yes"
434 vvfat="yes"
435 qed="yes"
436 parallels="yes"
437 sheepdog="no"
438 libxml2=""
439 debug_mutex="no"
440 libpmem=""
441 default_devices="yes"
442 plugins="no"
443 fuzzing="no"
444 rng_none="no"
445 secret_keyring=""
446 libdaxctl=""
447 meson=""
448 ninja=""
449 skip_meson=no
450 gettext=""
452 bogus_os="no"
453 malloc_trim="auto"
455 # parse CC options first
456 for opt do
457 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
458 case "$opt" in
459 --cross-prefix=*) cross_prefix="$optarg"
461 --cc=*) CC="$optarg"
463 --cxx=*) CXX="$optarg"
465 --cpu=*) cpu="$optarg"
467 --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
468 QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
470 --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
472 --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
473 EXTRA_LDFLAGS="$optarg"
475 --enable-debug-info) debug_info="yes"
477 --disable-debug-info) debug_info="no"
479 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
481 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
482 eval "cross_cc_cflags_${cc_arch}=\$optarg"
483 cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
485 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
486 cc_archs="$cc_archs $cc_arch"
487 eval "cross_cc_${cc_arch}=\$optarg"
488 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
490 esac
491 done
492 # OS specific
493 # Using uname is really, really broken. Once we have the right set of checks
494 # we can eliminate its usage altogether.
496 # Preferred compiler:
497 # ${CC} (if set)
498 # ${cross_prefix}gcc (if cross-prefix specified)
499 # system compiler
500 if test -z "${CC}${cross_prefix}"; then
501 cc="$host_cc"
502 else
503 cc="${CC-${cross_prefix}gcc}"
506 if test -z "${CXX}${cross_prefix}"; then
507 cxx="c++"
508 else
509 cxx="${CXX-${cross_prefix}g++}"
512 ar="${AR-${cross_prefix}ar}"
513 as="${AS-${cross_prefix}as}"
514 ccas="${CCAS-$cc}"
515 cpp="${CPP-$cc -E}"
516 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
517 ld="${LD-${cross_prefix}ld}"
518 ranlib="${RANLIB-${cross_prefix}ranlib}"
519 nm="${NM-${cross_prefix}nm}"
520 strip="${STRIP-${cross_prefix}strip}"
521 windres="${WINDRES-${cross_prefix}windres}"
522 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
523 query_pkg_config() {
524 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
526 pkg_config=query_pkg_config
527 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
529 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
530 ARFLAGS="${ARFLAGS-rv}"
532 # default flags for all hosts
533 # We use -fwrapv to tell the compiler that we require a C dialect where
534 # left shift of signed integers is well defined and has the expected
535 # 2s-complement style results. (Both clang and gcc agree that it
536 # provides these semantics.)
537 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
538 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
539 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
540 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
542 # Flags that are needed during configure but later taken care of by Meson
543 CONFIGURE_CFLAGS="-std=gnu99 -Wall"
544 CONFIGURE_LDFLAGS=
547 check_define() {
548 cat > $TMPC <<EOF
549 #if !defined($1)
550 #error $1 not defined
551 #endif
552 int main(void) { return 0; }
554 compile_object
557 check_include() {
558 cat > $TMPC <<EOF
559 #include <$1>
560 int main(void) { return 0; }
562 compile_object
565 write_c_skeleton() {
566 cat > $TMPC <<EOF
567 int main(void) { return 0; }
571 write_c_fuzzer_skeleton() {
572 cat > $TMPC <<EOF
573 #include <stdint.h>
574 #include <sys/types.h>
575 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
576 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
580 if check_define __linux__ ; then
581 targetos="Linux"
582 elif check_define _WIN32 ; then
583 targetos='MINGW32'
584 elif check_define __OpenBSD__ ; then
585 targetos='OpenBSD'
586 elif check_define __sun__ ; then
587 targetos='SunOS'
588 elif check_define __HAIKU__ ; then
589 targetos='Haiku'
590 elif check_define __FreeBSD__ ; then
591 targetos='FreeBSD'
592 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
593 targetos='GNU/kFreeBSD'
594 elif check_define __DragonFly__ ; then
595 targetos='DragonFly'
596 elif check_define __NetBSD__; then
597 targetos='NetBSD'
598 elif check_define __APPLE__; then
599 targetos='Darwin'
600 else
601 # This is a fatal error, but don't report it yet, because we
602 # might be going to just print the --help text, or it might
603 # be the result of a missing compiler.
604 targetos='bogus'
605 bogus_os='yes'
608 # Some host OSes need non-standard checks for which CPU to use.
609 # Note that these checks are broken for cross-compilation: if you're
610 # cross-compiling to one of these OSes then you'll need to specify
611 # the correct CPU with the --cpu option.
612 case $targetos in
613 Darwin)
614 # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
615 # run 64-bit userspace code.
616 # If the user didn't specify a CPU explicitly and the kernel says this is
617 # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
618 if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
619 cpu="x86_64"
622 SunOS)
623 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
624 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
625 cpu="x86_64"
627 esac
629 if test ! -z "$cpu" ; then
630 # command line argument
632 elif check_define __i386__ ; then
633 cpu="i386"
634 elif check_define __x86_64__ ; then
635 if check_define __ILP32__ ; then
636 cpu="x32"
637 else
638 cpu="x86_64"
640 elif check_define __sparc__ ; then
641 if check_define __arch64__ ; then
642 cpu="sparc64"
643 else
644 cpu="sparc"
646 elif check_define _ARCH_PPC ; then
647 if check_define _ARCH_PPC64 ; then
648 if check_define _LITTLE_ENDIAN ; then
649 cpu="ppc64le"
650 else
651 cpu="ppc64"
653 else
654 cpu="ppc"
656 elif check_define __mips__ ; then
657 cpu="mips"
658 elif check_define __s390__ ; then
659 if check_define __s390x__ ; then
660 cpu="s390x"
661 else
662 cpu="s390"
664 elif check_define __riscv ; then
665 if check_define _LP64 ; then
666 cpu="riscv64"
667 else
668 cpu="riscv32"
670 elif check_define __arm__ ; then
671 cpu="arm"
672 elif check_define __aarch64__ ; then
673 cpu="aarch64"
674 else
675 cpu=$(uname -m)
678 ARCH=
679 # Normalise host CPU name and set ARCH.
680 # Note that this case should only have supported host CPUs, not guests.
681 case "$cpu" in
682 ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
684 ppc64le)
685 ARCH="ppc64"
687 i386|i486|i586|i686|i86pc|BePC)
688 cpu="i386"
690 x86_64|amd64)
691 cpu="x86_64"
693 armv*b|armv*l|arm)
694 cpu="arm"
696 aarch64)
697 cpu="aarch64"
699 mips*)
700 cpu="mips"
702 sparc|sun4[cdmuv])
703 cpu="sparc"
706 # This will result in either an error or falling back to TCI later
707 ARCH=unknown
709 esac
710 if test -z "$ARCH"; then
711 ARCH="$cpu"
714 # OS specific
716 case $targetos in
717 MINGW32*)
718 mingw32="yes"
719 vhost_user="no"
720 audio_possible_drivers="dsound sdl"
721 if check_include dsound.h; then
722 audio_drv_list="dsound"
723 else
724 audio_drv_list=""
726 supported_os="yes"
727 pie="no"
729 GNU/kFreeBSD)
730 bsd="yes"
731 audio_drv_list="oss try-sdl"
732 audio_possible_drivers="oss sdl pa"
734 FreeBSD)
735 bsd="yes"
736 make="${MAKE-gmake}"
737 audio_drv_list="oss try-sdl"
738 audio_possible_drivers="oss sdl pa"
739 # needed for kinfo_getvmmap(3) in libutil.h
740 netmap="" # enable netmap autodetect
742 DragonFly)
743 bsd="yes"
744 make="${MAKE-gmake}"
745 audio_drv_list="oss try-sdl"
746 audio_possible_drivers="oss sdl pa"
748 NetBSD)
749 bsd="yes"
750 make="${MAKE-gmake}"
751 audio_drv_list="oss try-sdl"
752 audio_possible_drivers="oss sdl"
753 oss_lib="-lossaudio"
755 OpenBSD)
756 bsd="yes"
757 make="${MAKE-gmake}"
758 audio_drv_list="try-sdl"
759 audio_possible_drivers="sdl"
761 Darwin)
762 bsd="yes"
763 darwin="yes"
764 if [ "$cpu" = "x86_64" ] ; then
765 QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
766 QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
768 cocoa="enabled"
769 audio_drv_list="coreaudio try-sdl"
770 audio_possible_drivers="coreaudio sdl"
771 QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
772 # Disable attempts to use ObjectiveC features in os/object.h since they
773 # won't work when we're compiling with gcc as a C compiler.
774 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
776 SunOS)
777 solaris="yes"
778 make="${MAKE-gmake}"
779 smbd="${SMBD-/usr/sfw/sbin/smbd}"
780 if test -f /usr/include/sys/soundcard.h ; then
781 audio_drv_list="oss try-sdl"
783 audio_possible_drivers="oss sdl"
784 # needed for CMSG_ macros in sys/socket.h
785 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
786 # needed for TIOCWIN* defines in termios.h
787 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
789 Haiku)
790 haiku="yes"
791 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -DBSD_SOURCE $QEMU_CFLAGS"
793 Linux)
794 audio_drv_list="try-pa oss"
795 audio_possible_drivers="oss alsa sdl pa"
796 linux="yes"
797 linux_user="yes"
799 esac
801 if [ "$bsd" = "yes" ] ; then
802 if [ "$darwin" != "yes" ] ; then
803 bsd_user="yes"
807 : ${make=${MAKE-make}}
809 # We prefer python 3.x. A bare 'python' is traditionally
810 # python 2.x, but some distros have it as python 3.x, so
811 # we check that too
812 python=
813 explicit_python=no
814 for binary in "${PYTHON-python3}" python
816 if has "$binary"
817 then
818 python=$(command -v "$binary")
819 break
821 done
824 # Check for ancillary tools used in testing
825 genisoimage=
826 for binary in genisoimage mkisofs
828 if has $binary
829 then
830 genisoimage=$(command -v "$binary")
831 break
833 done
835 : ${smbd=${SMBD-/usr/sbin/smbd}}
837 # Default objcc to clang if available, otherwise use CC
838 if has clang; then
839 objcc=clang
840 else
841 objcc="$cc"
844 if test "$mingw32" = "yes" ; then
845 EXESUF=".exe"
846 HOST_DSOSUF=".dll"
847 # MinGW needs -mthreads for TLS and macro _MT.
848 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
849 write_c_skeleton;
850 prefix="/qemu"
851 qemu_suffix=""
852 libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
855 werror=""
857 for opt do
858 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
859 case "$opt" in
860 --help|-h) show_help=yes
862 --version|-V) exec cat $source_path/VERSION
864 --prefix=*) prefix="$optarg"
866 --interp-prefix=*) interp_prefix="$optarg"
868 --cross-prefix=*)
870 --cc=*)
872 --host-cc=*) host_cc="$optarg"
874 --cxx=*)
876 --iasl=*) iasl="$optarg"
878 --objcc=*) objcc="$optarg"
880 --make=*) make="$optarg"
882 --install=*)
884 --python=*) python="$optarg" ; explicit_python=yes
886 --sphinx-build=*) sphinx_build="$optarg"
888 --skip-meson) skip_meson=yes
890 --meson=*) meson="$optarg"
892 --ninja=*) ninja="$optarg"
894 --smbd=*) smbd="$optarg"
896 --extra-cflags=*)
898 --extra-cxxflags=*)
900 --extra-ldflags=*)
902 --enable-debug-info)
904 --disable-debug-info)
906 --cross-cc-*)
908 --enable-modules)
909 modules="yes"
911 --disable-modules)
912 modules="no"
914 --disable-module-upgrades) module_upgrades="no"
916 --enable-module-upgrades) module_upgrades="yes"
918 --cpu=*)
920 --target-list=*) target_list="$optarg"
921 if test "$target_list_exclude"; then
922 error_exit "Can't mix --target-list with --target-list-exclude"
925 --target-list-exclude=*) target_list_exclude="$optarg"
926 if test "$target_list"; then
927 error_exit "Can't mix --target-list-exclude with --target-list"
930 --enable-trace-backends=*) trace_backends="$optarg"
932 # XXX: backwards compatibility
933 --enable-trace-backend=*) trace_backends="$optarg"
935 --with-trace-file=*) trace_file="$optarg"
937 --with-default-devices) default_devices="yes"
939 --without-default-devices) default_devices="no"
941 --enable-gprof) gprof="yes"
943 --enable-gcov) gcov="yes"
945 --static)
946 static="yes"
947 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
949 --mandir=*) mandir="$optarg"
951 --bindir=*) bindir="$optarg"
953 --libdir=*) libdir="$optarg"
955 --libexecdir=*) libexecdir="$optarg"
957 --includedir=*) includedir="$optarg"
959 --datadir=*) datadir="$optarg"
961 --with-suffix=*) qemu_suffix="$optarg"
963 --docdir=*) docdir="$optarg"
965 --localedir=*) localedir="$optarg"
967 --sysconfdir=*) sysconfdir="$optarg"
969 --localstatedir=*) local_statedir="$optarg"
971 --firmwarepath=*) firmwarepath="$optarg"
973 --host=*|--build=*|\
974 --disable-dependency-tracking|\
975 --sbindir=*|--sharedstatedir=*|\
976 --oldincludedir=*|--datarootdir=*|--infodir=*|\
977 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
978 # These switches are silently ignored, for compatibility with
979 # autoconf-generated configure scripts. This allows QEMU's
980 # configure to be used by RPM and similar macros that set
981 # lots of directory switches by default.
983 --disable-sdl) sdl="disabled"
985 --enable-sdl) sdl="enabled"
987 --disable-sdl-image) sdl_image="disabled"
989 --enable-sdl-image) sdl_image="enabled"
991 --disable-qom-cast-debug) qom_cast_debug="no"
993 --enable-qom-cast-debug) qom_cast_debug="yes"
995 --disable-virtfs) virtfs="no"
997 --enable-virtfs) virtfs="yes"
999 --disable-libudev) libudev="disabled"
1001 --enable-libudev) libudev="enabled"
1003 --disable-virtiofsd) virtiofsd="disabled"
1005 --enable-virtiofsd) virtiofsd="enabled"
1007 --disable-mpath) mpath="disabled"
1009 --enable-mpath) mpath="enabled"
1011 --disable-vnc) vnc="disabled"
1013 --enable-vnc) vnc="enabled"
1015 --disable-gettext) gettext="false"
1017 --enable-gettext) gettext="true"
1019 --oss-lib=*) oss_lib="$optarg"
1021 --audio-drv-list=*) audio_drv_list="$optarg"
1023 --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1025 --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1027 --enable-debug-tcg) debug_tcg="yes"
1029 --disable-debug-tcg) debug_tcg="no"
1031 --enable-debug)
1032 # Enable debugging options that aren't excessively noisy
1033 debug_tcg="yes"
1034 debug_mutex="yes"
1035 debug="yes"
1036 strip_opt="no"
1037 fortify_source="no"
1039 --enable-sanitizers) sanitizers="yes"
1041 --disable-sanitizers) sanitizers="no"
1043 --enable-tsan) tsan="yes"
1045 --disable-tsan) tsan="no"
1047 --enable-sparse) sparse="enabled"
1049 --disable-sparse) sparse="disabled"
1051 --disable-strip) strip_opt="no"
1053 --disable-vnc-sasl) vnc_sasl="disabled"
1055 --enable-vnc-sasl) vnc_sasl="enabled"
1057 --disable-vnc-jpeg) vnc_jpeg="disabled"
1059 --enable-vnc-jpeg) vnc_jpeg="enabled"
1061 --disable-vnc-png) vnc_png="disabled"
1063 --enable-vnc-png) vnc_png="enabled"
1065 --disable-slirp) slirp="disabled"
1067 --enable-slirp=git) slirp="internal"
1069 --enable-slirp=system) slirp="system"
1071 --disable-vde) vde="no"
1073 --enable-vde) vde="yes"
1075 --disable-netmap) netmap="no"
1077 --enable-netmap) netmap="yes"
1079 --disable-xen) xen="disabled"
1081 --enable-xen) xen="enabled"
1083 --disable-xen-pci-passthrough) xen_pci_passthrough="disabled"
1085 --enable-xen-pci-passthrough) xen_pci_passthrough="enabled"
1087 --disable-brlapi) brlapi="no"
1089 --enable-brlapi) brlapi="yes"
1091 --disable-kvm) kvm="disabled"
1093 --enable-kvm) kvm="enabled"
1095 --disable-hax) hax="disabled"
1097 --enable-hax) hax="enabled"
1099 --disable-hvf) hvf="disabled"
1101 --enable-hvf) hvf="enabled"
1103 --disable-whpx) whpx="disabled"
1105 --enable-whpx) whpx="enabled"
1107 --disable-tcg-interpreter) tcg_interpreter="no"
1109 --enable-tcg-interpreter) tcg_interpreter="yes"
1111 --disable-cap-ng) cap_ng="no"
1113 --enable-cap-ng) cap_ng="yes"
1115 --disable-tcg) tcg="disabled"
1117 --enable-tcg) tcg="enabled"
1119 --disable-malloc-trim) malloc_trim="disabled"
1121 --enable-malloc-trim) malloc_trim="enabled"
1123 --disable-spice) spice="no"
1125 --enable-spice) spice="yes"
1127 --disable-libiscsi) libiscsi="no"
1129 --enable-libiscsi) libiscsi="yes"
1131 --disable-libnfs) libnfs="no"
1133 --enable-libnfs) libnfs="yes"
1135 --enable-profiler) profiler="yes"
1137 --disable-cocoa) cocoa="disabled"
1139 --enable-cocoa)
1140 cocoa="enabled" ;
1141 audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1143 --disable-system) softmmu="no"
1145 --enable-system) softmmu="yes"
1147 --disable-user)
1148 linux_user="no" ;
1149 bsd_user="no" ;
1151 --enable-user) ;;
1152 --disable-linux-user) linux_user="no"
1154 --enable-linux-user) linux_user="yes"
1156 --disable-bsd-user) bsd_user="no"
1158 --enable-bsd-user) bsd_user="yes"
1160 --enable-pie) pie="yes"
1162 --disable-pie) pie="no"
1164 --enable-werror) werror="yes"
1166 --disable-werror) werror="no"
1168 --enable-stack-protector) stack_protector="yes"
1170 --disable-stack-protector) stack_protector="no"
1172 --enable-safe-stack) safe_stack="yes"
1174 --disable-safe-stack) safe_stack="no"
1176 --disable-curses) curses="disabled"
1178 --enable-curses) curses="enabled"
1180 --disable-iconv) iconv="disabled"
1182 --enable-iconv) iconv="enabled"
1184 --disable-curl) curl="no"
1186 --enable-curl) curl="yes"
1188 --disable-fdt) fdt="disabled"
1190 --enable-fdt) fdt="enabled"
1192 --enable-fdt=git) fdt="internal"
1194 --enable-fdt=system) fdt="system"
1196 --disable-linux-aio) linux_aio="no"
1198 --enable-linux-aio) linux_aio="yes"
1200 --disable-linux-io-uring) linux_io_uring="no"
1202 --enable-linux-io-uring) linux_io_uring="yes"
1204 --disable-attr) attr="no"
1206 --enable-attr) attr="yes"
1208 --disable-membarrier) membarrier="no"
1210 --enable-membarrier) membarrier="yes"
1212 --disable-blobs) blobs="false"
1214 --with-pkgversion=*) pkgversion="$optarg"
1216 --with-coroutine=*) coroutine="$optarg"
1218 --disable-coroutine-pool) coroutine_pool="no"
1220 --enable-coroutine-pool) coroutine_pool="yes"
1222 --enable-debug-stack-usage) debug_stack_usage="yes"
1224 --enable-crypto-afalg) crypto_afalg="yes"
1226 --disable-crypto-afalg) crypto_afalg="no"
1228 --disable-docs) docs="disabled"
1230 --enable-docs) docs="enabled"
1232 --disable-vhost-net) vhost_net="no"
1234 --enable-vhost-net) vhost_net="yes"
1236 --disable-vhost-crypto) vhost_crypto="no"
1238 --enable-vhost-crypto) vhost_crypto="yes"
1240 --disable-vhost-scsi) vhost_scsi="no"
1242 --enable-vhost-scsi) vhost_scsi="yes"
1244 --disable-vhost-vsock) vhost_vsock="no"
1246 --enable-vhost-vsock) vhost_vsock="yes"
1248 --disable-vhost-user-fs) vhost_user_fs="no"
1250 --enable-vhost-user-fs) vhost_user_fs="yes"
1252 --disable-opengl) opengl="no"
1254 --enable-opengl) opengl="yes"
1256 --disable-rbd) rbd="no"
1258 --enable-rbd) rbd="yes"
1260 --disable-xfsctl) xfs="no"
1262 --enable-xfsctl) xfs="yes"
1264 --disable-smartcard) smartcard="no"
1266 --enable-smartcard) smartcard="yes"
1268 --disable-u2f) u2f="disabled"
1270 --enable-u2f) u2f="enabled"
1272 --disable-libusb) libusb="no"
1274 --enable-libusb) libusb="yes"
1276 --disable-usb-redir) usb_redir="no"
1278 --enable-usb-redir) usb_redir="yes"
1280 --disable-zlib-test)
1282 --disable-lzo) lzo="no"
1284 --enable-lzo) lzo="yes"
1286 --disable-snappy) snappy="no"
1288 --enable-snappy) snappy="yes"
1290 --disable-bzip2) bzip2="no"
1292 --enable-bzip2) bzip2="yes"
1294 --enable-lzfse) lzfse="yes"
1296 --disable-lzfse) lzfse="no"
1298 --disable-zstd) zstd="no"
1300 --enable-zstd) zstd="yes"
1302 --enable-guest-agent) guest_agent="yes"
1304 --disable-guest-agent) guest_agent="no"
1306 --enable-guest-agent-msi) guest_agent_msi="yes"
1308 --disable-guest-agent-msi) guest_agent_msi="no"
1310 --with-vss-sdk) vss_win32_sdk=""
1312 --with-vss-sdk=*) vss_win32_sdk="$optarg"
1314 --without-vss-sdk) vss_win32_sdk="no"
1316 --with-win-sdk) win_sdk=""
1318 --with-win-sdk=*) win_sdk="$optarg"
1320 --without-win-sdk) win_sdk="no"
1322 --enable-tools) want_tools="yes"
1324 --disable-tools) want_tools="no"
1326 --enable-seccomp) seccomp="yes"
1328 --disable-seccomp) seccomp="no"
1330 --disable-glusterfs) glusterfs="no"
1332 --disable-avx2) avx2_opt="no"
1334 --enable-avx2) avx2_opt="yes"
1336 --disable-avx512f) avx512f_opt="no"
1338 --enable-avx512f) avx512f_opt="yes"
1341 --enable-glusterfs) glusterfs="yes"
1343 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1344 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1346 --enable-vhdx|--disable-vhdx)
1347 echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1349 --enable-uuid|--disable-uuid)
1350 echo "$0: $opt is obsolete, UUID support is always built" >&2
1352 --disable-gtk) gtk="no"
1354 --enable-gtk) gtk="yes"
1356 --tls-priority=*) tls_priority="$optarg"
1358 --disable-gnutls) gnutls="no"
1360 --enable-gnutls) gnutls="yes"
1362 --disable-nettle) nettle="no"
1364 --enable-nettle) nettle="yes"
1366 --disable-gcrypt) gcrypt="no"
1368 --enable-gcrypt) gcrypt="yes"
1370 --disable-auth-pam) auth_pam="no"
1372 --enable-auth-pam) auth_pam="yes"
1374 --enable-rdma) rdma="yes"
1376 --disable-rdma) rdma="no"
1378 --enable-pvrdma) pvrdma="yes"
1380 --disable-pvrdma) pvrdma="no"
1382 --disable-vte) vte="no"
1384 --enable-vte) vte="yes"
1386 --disable-virglrenderer) virglrenderer="no"
1388 --enable-virglrenderer) virglrenderer="yes"
1390 --disable-tpm) tpm="no"
1392 --enable-tpm) tpm="yes"
1394 --disable-libssh) libssh="no"
1396 --enable-libssh) libssh="yes"
1398 --disable-live-block-migration) live_block_migration="no"
1400 --enable-live-block-migration) live_block_migration="yes"
1402 --disable-numa) numa="no"
1404 --enable-numa) numa="yes"
1406 --disable-libxml2) libxml2="no"
1408 --enable-libxml2) libxml2="yes"
1410 --disable-tcmalloc) tcmalloc="no"
1412 --enable-tcmalloc) tcmalloc="yes"
1414 --disable-jemalloc) jemalloc="no"
1416 --enable-jemalloc) jemalloc="yes"
1418 --disable-replication) replication="no"
1420 --enable-replication) replication="yes"
1422 --disable-bochs) bochs="no"
1424 --enable-bochs) bochs="yes"
1426 --disable-cloop) cloop="no"
1428 --enable-cloop) cloop="yes"
1430 --disable-dmg) dmg="no"
1432 --enable-dmg) dmg="yes"
1434 --disable-qcow1) qcow1="no"
1436 --enable-qcow1) qcow1="yes"
1438 --disable-vdi) vdi="no"
1440 --enable-vdi) vdi="yes"
1442 --disable-vvfat) vvfat="no"
1444 --enable-vvfat) vvfat="yes"
1446 --disable-qed) qed="no"
1448 --enable-qed) qed="yes"
1450 --disable-parallels) parallels="no"
1452 --enable-parallels) parallels="yes"
1454 --disable-sheepdog) sheepdog="no"
1456 --enable-sheepdog) sheepdog="yes"
1458 --disable-vhost-user) vhost_user="no"
1460 --enable-vhost-user) vhost_user="yes"
1462 --disable-vhost-vdpa) vhost_vdpa="no"
1464 --enable-vhost-vdpa) vhost_vdpa="yes"
1466 --disable-vhost-kernel) vhost_kernel="no"
1468 --enable-vhost-kernel) vhost_kernel="yes"
1470 --disable-capstone) capstone="disabled"
1472 --enable-capstone) capstone="enabled"
1474 --enable-capstone=git) capstone="internal"
1476 --enable-capstone=system) capstone="system"
1478 --with-git=*) git="$optarg"
1480 --enable-git-update) git_update=yes
1482 --disable-git-update) git_update=no
1484 --enable-debug-mutex) debug_mutex=yes
1486 --disable-debug-mutex) debug_mutex=no
1488 --enable-libpmem) libpmem=yes
1490 --disable-libpmem) libpmem=no
1492 --enable-xkbcommon) xkbcommon="enabled"
1494 --disable-xkbcommon) xkbcommon="disabled"
1496 --enable-plugins) plugins="yes"
1498 --disable-plugins) plugins="no"
1500 --enable-containers) use_containers="yes"
1502 --disable-containers) use_containers="no"
1504 --enable-fuzzing) fuzzing=yes
1506 --disable-fuzzing) fuzzing=no
1508 --gdb=*) gdb_bin="$optarg"
1510 --enable-rng-none) rng_none=yes
1512 --disable-rng-none) rng_none=no
1514 --enable-keyring) secret_keyring="yes"
1516 --disable-keyring) secret_keyring="no"
1518 --enable-libdaxctl) libdaxctl=yes
1520 --disable-libdaxctl) libdaxctl=no
1523 echo "ERROR: unknown option $opt"
1524 echo "Try '$0 --help' for more information"
1525 exit 1
1527 esac
1528 done
1530 libdir="${libdir:-$prefix/lib}"
1531 libexecdir="${libexecdir:-$prefix/libexec}"
1532 includedir="${includedir:-$prefix/include}"
1534 if test "$mingw32" = "yes" ; then
1535 mandir="$prefix"
1536 datadir="$prefix"
1537 docdir="$prefix"
1538 bindir="$prefix"
1539 sysconfdir="$prefix"
1540 local_statedir="$prefix"
1541 else
1542 mandir="${mandir:-$prefix/share/man}"
1543 datadir="${datadir:-$prefix/share}"
1544 docdir="${docdir:-$prefix/share/doc}"
1545 bindir="${bindir:-$prefix/bin}"
1546 sysconfdir="${sysconfdir:-$prefix/etc}"
1547 local_statedir="${local_statedir:-$prefix/var}"
1549 firmwarepath="${firmwarepath:-$datadir/qemu-firmware}"
1550 localedir="${localedir:-$datadir/locale}"
1552 case "$cpu" in
1553 ppc)
1554 CPU_CFLAGS="-m32"
1555 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1557 ppc64)
1558 CPU_CFLAGS="-m64"
1559 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1561 sparc)
1562 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1563 QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1565 sparc64)
1566 CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1567 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1569 s390)
1570 CPU_CFLAGS="-m31"
1571 QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1573 s390x)
1574 CPU_CFLAGS="-m64"
1575 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1577 i386)
1578 CPU_CFLAGS="-m32"
1579 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1581 x86_64)
1582 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1583 # If we truly care, we should simply detect this case at
1584 # runtime and generate the fallback to serial emulation.
1585 CPU_CFLAGS="-m64 -mcx16"
1586 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1588 x32)
1589 CPU_CFLAGS="-mx32"
1590 QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1592 # No special flags required for other host CPUs
1593 esac
1595 eval "cross_cc_${cpu}=\$host_cc"
1596 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1597 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1599 # For user-mode emulation the host arch has to be one we explicitly
1600 # support, even if we're using TCI.
1601 if [ "$ARCH" = "unknown" ]; then
1602 bsd_user="no"
1603 linux_user="no"
1606 default_target_list=""
1607 deprecated_targets_list=ppc64abi32-linux-user,tilegx-linux-user,lm32-softmmu,unicore32-softmmu
1608 deprecated_features=""
1609 mak_wilds=""
1611 if [ "$softmmu" = "yes" ]; then
1612 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-softmmu.mak"
1614 if [ "$linux_user" = "yes" ]; then
1615 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-linux-user.mak"
1617 if [ "$bsd_user" = "yes" ]; then
1618 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-bsd-user.mak"
1621 # If the user doesn't explicitly specify a deprecated target we will
1622 # skip it.
1623 if test -z "$target_list"; then
1624 if test -z "$target_list_exclude"; then
1625 target_list_exclude="$deprecated_targets_list"
1626 else
1627 target_list_exclude="$target_list_exclude,$deprecated_targets_list"
1631 for config in $mak_wilds; do
1632 target="$(basename "$config" .mak)"
1633 if echo "$target_list_exclude" | grep -vq "$target"; then
1634 default_target_list="${default_target_list} $target"
1636 done
1638 # Enumerate public trace backends for --help output
1639 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1641 if test x"$show_help" = x"yes" ; then
1642 cat << EOF
1644 Usage: configure [options]
1645 Options: [defaults in brackets after descriptions]
1647 Standard options:
1648 --help print this message
1649 --prefix=PREFIX install in PREFIX [$prefix]
1650 --interp-prefix=PREFIX where to find shared libraries, etc.
1651 use %M for cpu name [$interp_prefix]
1652 --target-list=LIST set target list (default: build everything)
1653 $(echo Available targets: $default_target_list | \
1654 fold -s -w 53 | sed -e 's/^/ /')
1655 --target-list-exclude=LIST exclude a set of targets from the default target-list
1657 Advanced options (experts only):
1658 --cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]
1659 --cc=CC use C compiler CC [$cc]
1660 --iasl=IASL use ACPI compiler IASL [$iasl]
1661 --host-cc=CC use C compiler CC [$host_cc] for code run at
1662 build time
1663 --cxx=CXX use C++ compiler CXX [$cxx]
1664 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
1665 --extra-cflags=CFLAGS append extra C compiler flags QEMU_CFLAGS
1666 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1667 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
1668 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
1669 --cross-cc-flags-ARCH= use compiler flags when building ARCH guest tests
1670 --make=MAKE use specified make [$make]
1671 --python=PYTHON use specified python [$python]
1672 --sphinx-build=SPHINX use specified sphinx-build [$sphinx_build]
1673 --meson=MESON use specified meson [$meson]
1674 --ninja=NINJA use specified ninja [$ninja]
1675 --smbd=SMBD use specified smbd [$smbd]
1676 --with-git=GIT use specified git [$git]
1677 --static enable static build [$static]
1678 --mandir=PATH install man pages in PATH
1679 --datadir=PATH install firmware in PATH/$qemu_suffix
1680 --localedir=PATH install translation in PATH/$qemu_suffix
1681 --docdir=PATH install documentation in PATH/$qemu_suffix
1682 --bindir=PATH install binaries in PATH
1683 --libdir=PATH install libraries in PATH
1684 --libexecdir=PATH install helper binaries in PATH
1685 --sysconfdir=PATH install config in PATH/$qemu_suffix
1686 --localstatedir=PATH install local state in PATH (set at runtime on win32)
1687 --firmwarepath=PATH search PATH for firmware files
1688 --efi-aarch64=PATH PATH of efi file to use for aarch64 VMs.
1689 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
1690 --with-pkgversion=VERS use specified string as sub-version of the package
1691 --enable-debug enable common debug build options
1692 --enable-sanitizers enable default sanitizers
1693 --enable-tsan enable thread sanitizer
1694 --disable-strip disable stripping binaries
1695 --disable-werror disable compilation abort on warning
1696 --disable-stack-protector disable compiler-provided stack protection
1697 --audio-drv-list=LIST set audio drivers list:
1698 Available drivers: $audio_possible_drivers
1699 --block-drv-whitelist=L Same as --block-drv-rw-whitelist=L
1700 --block-drv-rw-whitelist=L
1701 set block driver read-write whitelist
1702 (affects only QEMU, not qemu-img)
1703 --block-drv-ro-whitelist=L
1704 set block driver read-only whitelist
1705 (affects only QEMU, not qemu-img)
1706 --enable-trace-backends=B Set trace backend
1707 Available backends: $trace_backend_list
1708 --with-trace-file=NAME Full PATH,NAME of file to store traces
1709 Default:trace-<pid>
1710 --disable-slirp disable SLIRP userspace network connectivity
1711 --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1712 --enable-malloc-trim enable libc malloc_trim() for memory optimization
1713 --oss-lib path to OSS library
1714 --cpu=CPU Build for host CPU [$cpu]
1715 --with-coroutine=BACKEND coroutine backend. Supported options:
1716 ucontext, sigaltstack, windows
1717 --enable-gcov enable test coverage analysis with gcov
1718 --disable-blobs disable installing provided firmware blobs
1719 --with-vss-sdk=SDK-path enable Windows VSS support in QEMU Guest Agent
1720 --with-win-sdk=SDK-path path to Windows Platform SDK (to build VSS .tlb)
1721 --tls-priority default TLS protocol/cipher priority string
1722 --enable-gprof QEMU profiling with gprof
1723 --enable-profiler profiler support
1724 --enable-debug-stack-usage
1725 track the maximum stack usage of stacks created by qemu_alloc_stack
1726 --enable-plugins
1727 enable plugins via shared library loading
1728 --disable-containers don't use containers for cross-building
1729 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
1731 Optional features, enabled with --enable-FEATURE and
1732 disabled with --disable-FEATURE, default is enabled if available:
1734 system all system emulation targets
1735 user supported user emulation targets
1736 linux-user all linux usermode emulation targets
1737 bsd-user all BSD usermode emulation targets
1738 docs build documentation
1739 guest-agent build the QEMU Guest Agent
1740 guest-agent-msi build guest agent Windows MSI installation package
1741 pie Position Independent Executables
1742 modules modules support (non-Windows)
1743 module-upgrades try to load modules from alternate paths for upgrades
1744 debug-tcg TCG debugging (default is disabled)
1745 debug-info debugging information
1746 sparse sparse checker
1747 safe-stack SafeStack Stack Smash Protection. Depends on
1748 clang/llvm >= 3.7 and requires coroutine backend ucontext.
1750 gnutls GNUTLS cryptography support
1751 nettle nettle cryptography support
1752 gcrypt libgcrypt cryptography support
1753 auth-pam PAM access control
1754 sdl SDL UI
1755 sdl-image SDL Image support for icons
1756 gtk gtk UI
1757 vte vte support for the gtk UI
1758 curses curses UI
1759 iconv font glyph conversion support
1760 vnc VNC UI support
1761 vnc-sasl SASL encryption for VNC server
1762 vnc-jpeg JPEG lossy compression for VNC server
1763 vnc-png PNG compression for VNC server
1764 cocoa Cocoa UI (Mac OS X only)
1765 virtfs VirtFS
1766 virtiofsd build virtiofs daemon (virtiofsd)
1767 libudev Use libudev to enumerate host devices
1768 mpath Multipath persistent reservation passthrough
1769 xen xen backend driver support
1770 xen-pci-passthrough PCI passthrough support for Xen
1771 brlapi BrlAPI (Braile)
1772 curl curl connectivity
1773 membarrier membarrier system call (for Linux 4.14+ or Windows)
1774 fdt fdt device tree
1775 kvm KVM acceleration support
1776 hax HAX acceleration support
1777 hvf Hypervisor.framework acceleration support
1778 whpx Windows Hypervisor Platform acceleration support
1779 rdma Enable RDMA-based migration
1780 pvrdma Enable PVRDMA support
1781 vde support for vde network
1782 netmap support for netmap network
1783 linux-aio Linux AIO support
1784 linux-io-uring Linux io_uring support
1785 cap-ng libcap-ng support
1786 attr attr and xattr support
1787 vhost-net vhost-net kernel acceleration support
1788 vhost-vsock virtio sockets device support
1789 vhost-scsi vhost-scsi kernel target support
1790 vhost-crypto vhost-user-crypto backend support
1791 vhost-kernel vhost kernel backend support
1792 vhost-user vhost-user backend support
1793 vhost-vdpa vhost-vdpa kernel backend support
1794 spice spice
1795 rbd rados block device (rbd)
1796 libiscsi iscsi support
1797 libnfs nfs support
1798 smartcard smartcard support (libcacard)
1799 u2f U2F support (u2f-emu)
1800 libusb libusb (for usb passthrough)
1801 live-block-migration Block migration in the main migration stream
1802 usb-redir usb network redirection support
1803 lzo support of lzo compression library
1804 snappy support of snappy compression library
1805 bzip2 support of bzip2 compression library
1806 (for reading bzip2-compressed dmg images)
1807 lzfse support of lzfse compression library
1808 (for reading lzfse-compressed dmg images)
1809 zstd support for zstd compression library
1810 (for migration compression and qcow2 cluster compression)
1811 seccomp seccomp support
1812 coroutine-pool coroutine freelist (better performance)
1813 glusterfs GlusterFS backend
1814 tpm TPM support
1815 libssh ssh block device support
1816 numa libnuma support
1817 libxml2 for Parallels image format
1818 tcmalloc tcmalloc support
1819 jemalloc jemalloc support
1820 avx2 AVX2 optimization support
1821 avx512f AVX512F optimization support
1822 replication replication support
1823 opengl opengl support
1824 virglrenderer virgl rendering support
1825 xfsctl xfsctl support
1826 qom-cast-debug cast debugging support
1827 tools build qemu-io, qemu-nbd and qemu-img tools
1828 bochs bochs image format support
1829 cloop cloop image format support
1830 dmg dmg image format support
1831 qcow1 qcow v1 image format support
1832 vdi vdi image format support
1833 vvfat vvfat image format support
1834 qed qed image format support
1835 parallels parallels image format support
1836 sheepdog sheepdog block driver support (deprecated)
1837 crypto-afalg Linux AF_ALG crypto backend driver
1838 capstone capstone disassembler support
1839 debug-mutex mutex debugging support
1840 libpmem libpmem support
1841 xkbcommon xkbcommon support
1842 rng-none dummy RNG, avoid using /dev/(u)random and getrandom()
1843 libdaxctl libdaxctl support
1845 NOTE: The object files are built at the place where configure is launched
1847 exit 0
1850 # Remove old dependency files to make sure that they get properly regenerated
1851 rm -f */config-devices.mak.d
1853 if test -z "$python"
1854 then
1855 error_exit "Python not found. Use --python=/path/to/python"
1858 # Note that if the Python conditional here evaluates True we will exit
1859 # with status 1 which is a shell 'false' value.
1860 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
1861 error_exit "Cannot use '$python', Python >= 3.6 is required." \
1862 "Use --python=/path/to/python to specify a supported Python."
1865 # Preserve python version since some functionality is dependent on it
1866 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)
1868 # Suppress writing compiled files
1869 python="$python -B"
1871 if test -z "$meson"; then
1872 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.3; then
1873 meson=meson
1874 elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
1875 meson=git
1876 elif test -e "${source_path}/meson/meson.py" ; then
1877 meson=internal
1878 else
1879 if test "$explicit_python" = yes; then
1880 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1881 else
1882 error_exit "Meson not found. Use --meson=/path/to/meson"
1885 else
1886 # Meson uses its own Python interpreter to invoke other Python scripts,
1887 # but the user wants to use the one they specified with --python.
1889 # We do not want to override the distro Python interpreter (and sometimes
1890 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1891 # just require --meson=git|internal together with --python.
1892 if test "$explicit_python" = yes; then
1893 case "$meson" in
1894 git | internal) ;;
1895 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1896 esac
1900 if test "$meson" = git; then
1901 git_submodules="${git_submodules} meson"
1904 case "$meson" in
1905 git | internal)
1906 if ! $python -c 'import pkg_resources' > /dev/null 2>&1; then
1907 error_exit "Python setuptools not found"
1909 meson="$python ${source_path}/meson/meson.py"
1911 *) meson=$(command -v "$meson") ;;
1912 esac
1914 # Probe for ninja
1916 if test -z "$ninja"; then
1917 for c in ninja ninja-build samu; do
1918 if has $c; then
1919 ninja=$(command -v "$c")
1920 break
1922 done
1923 if test -z "$ninja"; then
1924 error_exit "Cannot find Ninja"
1928 # Check that the C compiler works. Doing this here before testing
1929 # the host CPU ensures that we had a valid CC to autodetect the
1930 # $cpu var (and we should bail right here if that's not the case).
1931 # It also allows the help message to be printed without a CC.
1932 write_c_skeleton;
1933 if compile_object ; then
1934 : C compiler works ok
1935 else
1936 error_exit "\"$cc\" either does not exist or does not work"
1938 if ! compile_prog ; then
1939 error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1942 # Consult white-list to determine whether to enable werror
1943 # by default. Only enable by default for git builds
1944 if test -z "$werror" ; then
1945 if test -e "$source_path/.git" && \
1946 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1947 werror="yes"
1948 else
1949 werror="no"
1953 if test "$bogus_os" = "yes"; then
1954 # Now that we know that we're not printing the help and that
1955 # the compiler works (so the results of the check_defines we used
1956 # to identify the OS are reliable), if we didn't recognize the
1957 # host OS we should stop now.
1958 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1961 # Check whether the compiler matches our minimum requirements:
1962 cat > $TMPC << EOF
1963 #if defined(__clang_major__) && defined(__clang_minor__)
1964 # ifdef __apple_build_version__
1965 # if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1966 # error You need at least XCode Clang v5.1 to compile QEMU
1967 # endif
1968 # else
1969 # if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1970 # error You need at least Clang v3.4 to compile QEMU
1971 # endif
1972 # endif
1973 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1974 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1975 # error You need at least GCC v4.8 to compile QEMU
1976 # endif
1977 #else
1978 # error You either need GCC or Clang to compiler QEMU
1979 #endif
1980 int main (void) { return 0; }
1982 if ! compile_prog "" "" ; then
1983 error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1986 # Accumulate -Wfoo and -Wno-bar separately.
1987 # We will list all of the enable flags first, and the disable flags second.
1988 # Note that we do not add -Werror, because that would enable it for all
1989 # configure tests. If a configure test failed due to -Werror this would
1990 # just silently disable some features, so it's too error prone.
1992 warn_flags=
1993 add_to warn_flags -Wold-style-declaration
1994 add_to warn_flags -Wold-style-definition
1995 add_to warn_flags -Wtype-limits
1996 add_to warn_flags -Wformat-security
1997 add_to warn_flags -Wformat-y2k
1998 add_to warn_flags -Winit-self
1999 add_to warn_flags -Wignored-qualifiers
2000 add_to warn_flags -Wempty-body
2001 add_to warn_flags -Wnested-externs
2002 add_to warn_flags -Wendif-labels
2003 add_to warn_flags -Wexpansion-to-defined
2005 nowarn_flags=
2006 add_to nowarn_flags -Wno-initializer-overrides
2007 add_to nowarn_flags -Wno-missing-include-dirs
2008 add_to nowarn_flags -Wno-shift-negative-value
2009 add_to nowarn_flags -Wno-string-plus-int
2010 add_to nowarn_flags -Wno-typedef-redefinition
2011 add_to nowarn_flags -Wno-tautological-type-limit-compare
2012 add_to nowarn_flags -Wno-psabi
2014 gcc_flags="$warn_flags $nowarn_flags"
2016 cc_has_warning_flag() {
2017 write_c_skeleton;
2019 # Use the positive sense of the flag when testing for -Wno-wombat
2020 # support (gcc will happily accept the -Wno- form of unknown
2021 # warning options).
2022 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2023 compile_prog "-Werror $optflag" ""
2026 for flag in $gcc_flags; do
2027 if cc_has_warning_flag $flag ; then
2028 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2030 done
2032 if test "$stack_protector" != "no"; then
2033 cat > $TMPC << EOF
2034 int main(int argc, char *argv[])
2036 char arr[64], *p = arr, *c = argv[0];
2037 while (*c) {
2038 *p++ = *c++;
2040 return 0;
2043 gcc_flags="-fstack-protector-strong -fstack-protector-all"
2044 sp_on=0
2045 for flag in $gcc_flags; do
2046 # We need to check both a compile and a link, since some compiler
2047 # setups fail only on a .c->.o compile and some only at link time
2048 if compile_object "-Werror $flag" &&
2049 compile_prog "-Werror $flag" ""; then
2050 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2051 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2052 sp_on=1
2053 break
2055 done
2056 if test "$stack_protector" = yes; then
2057 if test $sp_on = 0; then
2058 error_exit "Stack protector not supported"
2063 # Disable -Wmissing-braces on older compilers that warn even for
2064 # the "universal" C zero initializer {0}.
2065 cat > $TMPC << EOF
2066 struct {
2067 int a[2];
2068 } x = {0};
2070 if compile_object "-Werror" "" ; then
2072 else
2073 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2076 # Our module code doesn't support Windows
2077 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2078 error_exit "Modules are not available for Windows"
2081 # module_upgrades is only reasonable if modules are enabled
2082 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2083 error_exit "Can't enable module-upgrades as Modules are not enabled"
2086 # Static linking is not possible with modules or PIE
2087 if test "$static" = "yes" ; then
2088 if test "$modules" = "yes" ; then
2089 error_exit "static and modules are mutually incompatible"
2093 # Unconditional check for compiler __thread support
2094 cat > $TMPC << EOF
2095 static __thread int tls_var;
2096 int main(void) { return tls_var; }
2099 if ! compile_prog "-Werror" "" ; then
2100 error_exit "Your compiler does not support the __thread specifier for " \
2101 "Thread-Local Storage (TLS). Please upgrade to a version that does."
2104 cat > $TMPC << EOF
2106 #ifdef __linux__
2107 # define THREAD __thread
2108 #else
2109 # define THREAD
2110 #endif
2111 static THREAD int tls_var;
2112 int main(void) { return tls_var; }
2115 # Check we support --no-pie first; we will need this for building ROMs.
2116 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2117 CFLAGS_NOPIE="-fno-pie"
2118 LDFLAGS_NOPIE="-no-pie"
2121 if test "$static" = "yes"; then
2122 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2123 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
2124 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2125 pie="yes"
2126 elif test "$pie" = "yes"; then
2127 error_exit "-static-pie not available due to missing toolchain support"
2128 else
2129 QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2130 pie="no"
2132 elif test "$pie" = "no"; then
2133 CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS"
2134 CONFIGURE_LDFLAGS="$LDFLAGS_NOPIE $CONFIGURE_LDFLAGS"
2135 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2136 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
2137 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
2138 pie="yes"
2139 elif test "$pie" = "yes"; then
2140 error_exit "PIE not available due to missing toolchain support"
2141 else
2142 echo "Disabling PIE due to missing toolchain support"
2143 pie="no"
2146 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2147 # The combination is known as "full relro", because .got.plt is read-only too.
2148 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2149 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2152 ##########################################
2153 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2154 # use i686 as default anyway, but for those that don't, an explicit
2155 # specification is necessary
2157 if test "$cpu" = "i386"; then
2158 cat > $TMPC << EOF
2159 static int sfaa(int *ptr)
2161 return __sync_fetch_and_and(ptr, 0);
2164 int main(void)
2166 int val = 42;
2167 val = __sync_val_compare_and_swap(&val, 0, 1);
2168 sfaa(&val);
2169 return val;
2172 if ! compile_prog "" "" ; then
2173 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2177 #########################################
2178 # Solaris specific configure tool chain decisions
2180 if test "$solaris" = "yes" ; then
2181 if has ar; then
2183 else
2184 if test -f /usr/ccs/bin/ar ; then
2185 error_exit "No path includes ar" \
2186 "Add /usr/ccs/bin to your path and rerun configure"
2188 error_exit "No path includes ar"
2192 if test -z "${target_list+xxx}" ; then
2193 default_targets=yes
2194 for target in $default_target_list; do
2195 target_list="$target_list $target"
2196 done
2197 target_list="${target_list# }"
2198 else
2199 default_targets=no
2200 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2201 for target in $target_list; do
2202 # Check that we recognised the target name; this allows a more
2203 # friendly error message than if we let it fall through.
2204 case " $default_target_list " in
2205 *" $target "*)
2208 error_exit "Unknown target name '$target'"
2210 esac
2211 done
2214 for target in $target_list; do
2215 # if a deprecated target is enabled we note it here
2216 if echo "$deprecated_targets_list" | grep -q "$target"; then
2217 add_to deprecated_features $target
2219 done
2221 # see if system emulation was really requested
2222 case " $target_list " in
2223 *"-softmmu "*) softmmu=yes
2225 *) softmmu=no
2227 esac
2229 feature_not_found() {
2230 feature=$1
2231 remedy=$2
2233 error_exit "User requested feature $feature" \
2234 "configure was not able to find it." \
2235 "$remedy"
2238 # ---
2239 # big/little endian test
2240 cat > $TMPC << EOF
2241 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2242 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2243 extern int foo(short *, short *);
2244 int main(int argc, char *argv[]) {
2245 return foo(big_endian, little_endian);
2249 if compile_object ; then
2250 if strings -a $TMPO | grep -q BiGeNdIaN ; then
2251 bigendian="yes"
2252 elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2253 bigendian="no"
2254 else
2255 echo big/little test failed
2257 else
2258 echo big/little test failed
2261 ##########################################
2262 # system tools
2263 if test -z "$want_tools"; then
2264 if test "$softmmu" = "no"; then
2265 want_tools=no
2266 else
2267 want_tools=yes
2271 ##########################################
2272 # cocoa implies not SDL or GTK
2273 # (the cocoa UI code currently assumes it is always the active UI
2274 # and doesn't interact well with other UI frontend code)
2275 if test "$cocoa" = "enabled"; then
2276 if test "$sdl" = "enabled"; then
2277 error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2279 if test "$gtk" = "yes"; then
2280 error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2282 gtk=no
2283 sdl=disabled
2286 # Some versions of Mac OS X incorrectly define SIZE_MAX
2287 cat > $TMPC << EOF
2288 #include <stdint.h>
2289 #include <stdio.h>
2290 int main(int argc, char *argv[]) {
2291 return printf("%zu", SIZE_MAX);
2294 have_broken_size_max=no
2295 if ! compile_object -Werror ; then
2296 have_broken_size_max=yes
2299 ##########################################
2300 # L2TPV3 probe
2302 cat > $TMPC <<EOF
2303 #include <sys/socket.h>
2304 #include <linux/ip.h>
2305 int main(void) { return sizeof(struct mmsghdr); }
2307 if compile_prog "" "" ; then
2308 l2tpv3=yes
2309 else
2310 l2tpv3=no
2313 if check_include "pty.h" ; then
2314 pty_h=yes
2315 else
2316 pty_h=no
2319 cat > $TMPC <<EOF
2320 #include <sys/mman.h>
2321 int main(int argc, char *argv[]) {
2322 return mlockall(MCL_FUTURE);
2325 if compile_prog "" "" ; then
2326 have_mlockall=yes
2327 else
2328 have_mlockall=no
2331 #########################################
2332 # vhost interdependencies and host support
2334 # vhost backends
2335 test "$vhost_user" = "" && vhost_user=yes
2336 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2337 error_exit "vhost-user isn't available on win32"
2339 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2340 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2341 error_exit "vhost-vdpa is only available on Linux"
2343 test "$vhost_kernel" = "" && vhost_kernel=$linux
2344 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2345 error_exit "vhost-kernel is only available on Linux"
2348 # vhost-kernel devices
2349 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2350 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2351 error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2353 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2354 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2355 error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2358 # vhost-user backends
2359 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2360 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2361 error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2363 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2364 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2365 error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2367 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2368 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2369 error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2371 #vhost-vdpa backends
2372 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2373 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2374 error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2377 # OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity
2378 if test "$vhost_net" = ""; then
2379 test "$vhost_net_user" = "yes" && vhost_net=yes
2380 test "$vhost_net_vdpa" = "yes" && vhost_net=yes
2381 test "$vhost_kernel" = "yes" && vhost_net=yes
2384 ##########################################
2385 # pkg-config probe
2387 if ! has "$pkg_config_exe"; then
2388 error_exit "pkg-config binary '$pkg_config_exe' not found"
2391 ##########################################
2392 # NPTL probe
2394 if test "$linux_user" = "yes"; then
2395 cat > $TMPC <<EOF
2396 #include <sched.h>
2397 #include <linux/futex.h>
2398 int main(void) {
2399 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2400 #error bork
2401 #endif
2402 return 0;
2405 if ! compile_object ; then
2406 feature_not_found "nptl" "Install glibc and linux kernel headers."
2410 ##########################################
2411 # lzo check
2413 if test "$lzo" != "no" ; then
2414 cat > $TMPC << EOF
2415 #include <lzo/lzo1x.h>
2416 int main(void) { lzo_version(); return 0; }
2418 if compile_prog "" "-llzo2" ; then
2419 lzo_libs="-llzo2"
2420 lzo="yes"
2421 else
2422 if test "$lzo" = "yes"; then
2423 feature_not_found "liblzo2" "Install liblzo2 devel"
2425 lzo="no"
2429 ##########################################
2430 # snappy check
2432 if test "$snappy" != "no" ; then
2433 cat > $TMPC << EOF
2434 #include <snappy-c.h>
2435 int main(void) { snappy_max_compressed_length(4096); return 0; }
2437 if compile_prog "" "-lsnappy" ; then
2438 snappy_libs='-lsnappy'
2439 snappy="yes"
2440 else
2441 if test "$snappy" = "yes"; then
2442 feature_not_found "libsnappy" "Install libsnappy devel"
2444 snappy="no"
2448 ##########################################
2449 # bzip2 check
2451 if test "$bzip2" != "no" ; then
2452 cat > $TMPC << EOF
2453 #include <bzlib.h>
2454 int main(void) { BZ2_bzlibVersion(); return 0; }
2456 if compile_prog "" "-lbz2" ; then
2457 bzip2="yes"
2458 else
2459 if test "$bzip2" = "yes"; then
2460 feature_not_found "libbzip2" "Install libbzip2 devel"
2462 bzip2="no"
2466 ##########################################
2467 # lzfse check
2469 if test "$lzfse" != "no" ; then
2470 cat > $TMPC << EOF
2471 #include <lzfse.h>
2472 int main(void) { lzfse_decode_scratch_size(); return 0; }
2474 if compile_prog "" "-llzfse" ; then
2475 lzfse="yes"
2476 else
2477 if test "$lzfse" = "yes"; then
2478 feature_not_found "lzfse" "Install lzfse devel"
2480 lzfse="no"
2484 ##########################################
2485 # zstd check
2487 if test "$zstd" != "no" ; then
2488 libzstd_minver="1.4.0"
2489 if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2490 zstd_cflags="$($pkg_config --cflags libzstd)"
2491 zstd_libs="$($pkg_config --libs libzstd)"
2492 zstd="yes"
2493 else
2494 if test "$zstd" = "yes" ; then
2495 feature_not_found "libzstd" "Install libzstd devel"
2497 zstd="no"
2501 ##########################################
2502 # libseccomp check
2504 if test "$seccomp" != "no" ; then
2505 libseccomp_minver="2.3.0"
2506 if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2507 seccomp_cflags="$($pkg_config --cflags libseccomp)"
2508 seccomp_libs="$($pkg_config --libs libseccomp)"
2509 seccomp="yes"
2510 else
2511 if test "$seccomp" = "yes" ; then
2512 feature_not_found "libseccomp" \
2513 "Install libseccomp devel >= $libseccomp_minver"
2515 seccomp="no"
2519 ##########################################
2520 # xen probe
2522 if test "$xen" != "disabled" ; then
2523 # Check whether Xen library path is specified via --extra-ldflags to avoid
2524 # overriding this setting with pkg-config output. If not, try pkg-config
2525 # to obtain all needed flags.
2527 if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2528 $pkg_config --exists xencontrol ; then
2529 xen_ctrl_version="$(printf '%d%02d%02d' \
2530 $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2531 xen=enabled
2532 xen_pc="xencontrol xenstore xenforeignmemory xengnttab"
2533 xen_pc="$xen_pc xenevtchn xendevicemodel"
2534 if $pkg_config --exists xentoolcore; then
2535 xen_pc="$xen_pc xentoolcore"
2537 xen_cflags="$($pkg_config --cflags $xen_pc)"
2538 xen_libs="$($pkg_config --libs $xen_pc)"
2539 else
2541 xen_libs="-lxenstore -lxenctrl"
2542 xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2544 # First we test whether Xen headers and libraries are available.
2545 # If no, we are done and there is no Xen support.
2546 # If yes, more tests are run to detect the Xen version.
2548 # Xen (any)
2549 cat > $TMPC <<EOF
2550 #include <xenctrl.h>
2551 int main(void) {
2552 return 0;
2555 if ! compile_prog "" "$xen_libs" ; then
2556 # Xen not found
2557 if test "$xen" = "enabled" ; then
2558 feature_not_found "xen" "Install xen devel"
2560 xen=disabled
2562 # Xen unstable
2563 elif
2564 cat > $TMPC <<EOF &&
2565 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2566 #define __XEN_TOOLS__
2567 #include <xendevicemodel.h>
2568 #include <xenforeignmemory.h>
2569 int main(void) {
2570 xendevicemodel_handle *xd;
2571 xenforeignmemory_handle *xfmem;
2573 xd = xendevicemodel_open(0, 0);
2574 xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2576 xfmem = xenforeignmemory_open(0, 0);
2577 xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2579 return 0;
2582 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2583 then
2584 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2585 xen_ctrl_version=41100
2586 xen=enabled
2587 elif
2588 cat > $TMPC <<EOF &&
2589 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2590 #include <xenforeignmemory.h>
2591 #include <xentoolcore.h>
2592 int main(void) {
2593 xenforeignmemory_handle *xfmem;
2595 xfmem = xenforeignmemory_open(0, 0);
2596 xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2597 xentoolcore_restrict_all(0);
2599 return 0;
2602 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2603 then
2604 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2605 xen_ctrl_version=41000
2606 xen=enabled
2607 elif
2608 cat > $TMPC <<EOF &&
2609 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2610 #define __XEN_TOOLS__
2611 #include <xendevicemodel.h>
2612 int main(void) {
2613 xendevicemodel_handle *xd;
2615 xd = xendevicemodel_open(0, 0);
2616 xendevicemodel_close(xd);
2618 return 0;
2621 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2622 then
2623 xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2624 xen_ctrl_version=40900
2625 xen=enabled
2626 elif
2627 cat > $TMPC <<EOF &&
2629 * If we have stable libs the we don't want the libxc compat
2630 * layers, regardless of what CFLAGS we may have been given.
2632 * Also, check if xengnttab_grant_copy_segment_t is defined and
2633 * grant copy operation is implemented.
2635 #undef XC_WANT_COMPAT_EVTCHN_API
2636 #undef XC_WANT_COMPAT_GNTTAB_API
2637 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2638 #include <xenctrl.h>
2639 #include <xenstore.h>
2640 #include <xenevtchn.h>
2641 #include <xengnttab.h>
2642 #include <xenforeignmemory.h>
2643 #include <stdint.h>
2644 #include <xen/hvm/hvm_info_table.h>
2645 #if !defined(HVM_MAX_VCPUS)
2646 # error HVM_MAX_VCPUS not defined
2647 #endif
2648 int main(void) {
2649 xc_interface *xc = NULL;
2650 xenforeignmemory_handle *xfmem;
2651 xenevtchn_handle *xe;
2652 xengnttab_handle *xg;
2653 xengnttab_grant_copy_segment_t* seg = NULL;
2655 xs_daemon_open();
2657 xc = xc_interface_open(0, 0, 0);
2658 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2659 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2660 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2661 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2663 xfmem = xenforeignmemory_open(0, 0);
2664 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2666 xe = xenevtchn_open(0, 0);
2667 xenevtchn_fd(xe);
2669 xg = xengnttab_open(0, 0);
2670 xengnttab_grant_copy(xg, 0, seg);
2672 return 0;
2675 compile_prog "" "$xen_libs $xen_stable_libs"
2676 then
2677 xen_ctrl_version=40800
2678 xen=enabled
2679 elif
2680 cat > $TMPC <<EOF &&
2682 * If we have stable libs the we don't want the libxc compat
2683 * layers, regardless of what CFLAGS we may have been given.
2685 #undef XC_WANT_COMPAT_EVTCHN_API
2686 #undef XC_WANT_COMPAT_GNTTAB_API
2687 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2688 #include <xenctrl.h>
2689 #include <xenstore.h>
2690 #include <xenevtchn.h>
2691 #include <xengnttab.h>
2692 #include <xenforeignmemory.h>
2693 #include <stdint.h>
2694 #include <xen/hvm/hvm_info_table.h>
2695 #if !defined(HVM_MAX_VCPUS)
2696 # error HVM_MAX_VCPUS not defined
2697 #endif
2698 int main(void) {
2699 xc_interface *xc = NULL;
2700 xenforeignmemory_handle *xfmem;
2701 xenevtchn_handle *xe;
2702 xengnttab_handle *xg;
2704 xs_daemon_open();
2706 xc = xc_interface_open(0, 0, 0);
2707 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2708 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2709 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2710 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2712 xfmem = xenforeignmemory_open(0, 0);
2713 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2715 xe = xenevtchn_open(0, 0);
2716 xenevtchn_fd(xe);
2718 xg = xengnttab_open(0, 0);
2719 xengnttab_map_grant_ref(xg, 0, 0, 0);
2721 return 0;
2724 compile_prog "" "$xen_libs $xen_stable_libs"
2725 then
2726 xen_ctrl_version=40701
2727 xen=enabled
2729 # Xen 4.6
2730 elif
2731 cat > $TMPC <<EOF &&
2732 #include <xenctrl.h>
2733 #include <xenstore.h>
2734 #include <stdint.h>
2735 #include <xen/hvm/hvm_info_table.h>
2736 #if !defined(HVM_MAX_VCPUS)
2737 # error HVM_MAX_VCPUS not defined
2738 #endif
2739 int main(void) {
2740 xc_interface *xc;
2741 xs_daemon_open();
2742 xc = xc_interface_open(0, 0, 0);
2743 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2744 xc_gnttab_open(NULL, 0);
2745 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2746 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2747 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2748 xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2749 return 0;
2752 compile_prog "" "$xen_libs"
2753 then
2754 xen_ctrl_version=40600
2755 xen=enabled
2757 # Xen 4.5
2758 elif
2759 cat > $TMPC <<EOF &&
2760 #include <xenctrl.h>
2761 #include <xenstore.h>
2762 #include <stdint.h>
2763 #include <xen/hvm/hvm_info_table.h>
2764 #if !defined(HVM_MAX_VCPUS)
2765 # error HVM_MAX_VCPUS not defined
2766 #endif
2767 int main(void) {
2768 xc_interface *xc;
2769 xs_daemon_open();
2770 xc = xc_interface_open(0, 0, 0);
2771 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2772 xc_gnttab_open(NULL, 0);
2773 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2774 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2775 xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2776 return 0;
2779 compile_prog "" "$xen_libs"
2780 then
2781 xen_ctrl_version=40500
2782 xen=enabled
2784 elif
2785 cat > $TMPC <<EOF &&
2786 #include <xenctrl.h>
2787 #include <xenstore.h>
2788 #include <stdint.h>
2789 #include <xen/hvm/hvm_info_table.h>
2790 #if !defined(HVM_MAX_VCPUS)
2791 # error HVM_MAX_VCPUS not defined
2792 #endif
2793 int main(void) {
2794 xc_interface *xc;
2795 xs_daemon_open();
2796 xc = xc_interface_open(0, 0, 0);
2797 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2798 xc_gnttab_open(NULL, 0);
2799 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2800 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2801 return 0;
2804 compile_prog "" "$xen_libs"
2805 then
2806 xen_ctrl_version=40200
2807 xen=enabled
2809 else
2810 if test "$xen" = "enabled" ; then
2811 feature_not_found "xen (unsupported version)" \
2812 "Install a supported xen (xen 4.2 or newer)"
2814 xen=disabled
2817 if test "$xen" = enabled; then
2818 if test $xen_ctrl_version -ge 40701 ; then
2819 xen_libs="$xen_libs $xen_stable_libs "
2825 if test "$xen_pci_passthrough" != "disabled"; then
2826 if test "$xen" = "enabled" && test "$linux" = "yes"; then
2827 xen_pci_passthrough=enabled
2828 else
2829 if test "$xen_pci_passthrough" = "enabled"; then
2830 error_exit "User requested feature Xen PCI Passthrough" \
2831 " but this feature requires /sys from Linux"
2833 xen_pci_passthrough=disabled
2837 ##########################################
2838 # gettext probe
2839 if test "$gettext" != "false" ; then
2840 if has xgettext; then
2841 gettext=true
2842 else
2843 if test "$gettext" = "true" ; then
2844 feature_not_found "gettext" "Install xgettext binary"
2846 gettext=false
2850 ##########################################
2851 # X11 probe
2852 if $pkg_config --exists "x11"; then
2853 have_x11=yes
2854 x11_cflags=$($pkg_config --cflags x11)
2855 x11_libs=$($pkg_config --libs x11)
2858 ##########################################
2859 # GTK probe
2861 if test "$gtk" != "no"; then
2862 gtkpackage="gtk+-3.0"
2863 gtkx11package="gtk+-x11-3.0"
2864 gtkversion="3.22.0"
2865 if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2866 gtk_cflags=$($pkg_config --cflags $gtkpackage)
2867 gtk_libs=$($pkg_config --libs $gtkpackage)
2868 gtk_version=$($pkg_config --modversion $gtkpackage)
2869 if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2870 need_x11=yes
2871 gtk_cflags="$gtk_cflags $x11_cflags"
2872 gtk_libs="$gtk_libs $x11_libs"
2874 gtk="yes"
2875 elif test "$gtk" = "yes"; then
2876 feature_not_found "gtk" "Install gtk3-devel"
2877 else
2878 gtk="no"
2883 ##########################################
2884 # GNUTLS probe
2886 if test "$gnutls" != "no"; then
2887 pass="no"
2888 if $pkg_config --exists "gnutls >= 3.1.18"; then
2889 gnutls_cflags=$($pkg_config --cflags gnutls)
2890 gnutls_libs=$($pkg_config --libs gnutls)
2891 # Packaging for the static libraries is not always correct.
2892 # At least ubuntu 18.04 ships only shared libraries.
2893 write_c_skeleton
2894 if compile_prog "" "$gnutls_libs" ; then
2895 pass="yes"
2898 if test "$pass" = "no" && test "$gnutls" = "yes"; then
2899 feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2900 else
2901 gnutls="$pass"
2906 # If user didn't give a --disable/enable-gcrypt flag,
2907 # then mark as disabled if user requested nettle
2908 # explicitly
2909 if test -z "$gcrypt"
2910 then
2911 if test "$nettle" = "yes"
2912 then
2913 gcrypt="no"
2917 # If user didn't give a --disable/enable-nettle flag,
2918 # then mark as disabled if user requested gcrypt
2919 # explicitly
2920 if test -z "$nettle"
2921 then
2922 if test "$gcrypt" = "yes"
2923 then
2924 nettle="no"
2928 has_libgcrypt() {
2929 if ! has "libgcrypt-config"
2930 then
2931 return 1
2934 if test -n "$cross_prefix"
2935 then
2936 host=$(libgcrypt-config --host)
2937 if test "$host-" != $cross_prefix
2938 then
2939 return 1
2943 maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2944 min=`libgcrypt-config --version | awk -F . '{print $2}'`
2946 if test $maj != 1 || test $min -lt 5
2947 then
2948 return 1
2951 return 0
2955 if test "$nettle" != "no"; then
2956 pass="no"
2957 if $pkg_config --exists "nettle >= 2.7.1"; then
2958 nettle_cflags=$($pkg_config --cflags nettle)
2959 nettle_libs=$($pkg_config --libs nettle)
2960 nettle_version=$($pkg_config --modversion nettle)
2961 # Link test to make sure the given libraries work (e.g for static).
2962 write_c_skeleton
2963 if compile_prog "" "$nettle_libs" ; then
2964 if test -z "$gcrypt"; then
2965 gcrypt="no"
2967 pass="yes"
2970 if test "$pass" = "yes"
2971 then
2972 cat > $TMPC << EOF
2973 #include <nettle/xts.h>
2974 int main(void) {
2975 return 0;
2978 if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2979 nettle_xts=yes
2980 qemu_private_xts=no
2983 if test "$pass" = "no" && test "$nettle" = "yes"; then
2984 feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2985 else
2986 nettle="$pass"
2990 if test "$gcrypt" != "no"; then
2991 pass="no"
2992 if has_libgcrypt; then
2993 gcrypt_cflags=$(libgcrypt-config --cflags)
2994 gcrypt_libs=$(libgcrypt-config --libs)
2995 # Debian has removed -lgpg-error from libgcrypt-config
2996 # as it "spreads unnecessary dependencies" which in
2997 # turn breaks static builds...
2998 if test "$static" = "yes"
2999 then
3000 gcrypt_libs="$gcrypt_libs -lgpg-error"
3003 # Link test to make sure the given libraries work (e.g for static).
3004 write_c_skeleton
3005 if compile_prog "" "$gcrypt_libs" ; then
3006 pass="yes"
3009 if test "$pass" = "yes"; then
3010 gcrypt="yes"
3011 cat > $TMPC << EOF
3012 #include <gcrypt.h>
3013 int main(void) {
3014 gcry_mac_hd_t handle;
3015 gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3016 GCRY_MAC_FLAG_SECURE, NULL);
3017 return 0;
3020 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3021 gcrypt_hmac=yes
3023 cat > $TMPC << EOF
3024 #include <gcrypt.h>
3025 int main(void) {
3026 gcry_cipher_hd_t handle;
3027 gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3028 return 0;
3031 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3032 gcrypt_xts=yes
3033 qemu_private_xts=no
3035 elif test "$gcrypt" = "yes"; then
3036 feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3037 else
3038 gcrypt="no"
3043 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3044 then
3045 error_exit "Only one of gcrypt & nettle can be enabled"
3048 ##########################################
3049 # libtasn1 - only for the TLS creds/session test suite
3051 tasn1=yes
3052 tasn1_cflags=""
3053 tasn1_libs=""
3054 if $pkg_config --exists "libtasn1"; then
3055 tasn1_cflags=$($pkg_config --cflags libtasn1)
3056 tasn1_libs=$($pkg_config --libs libtasn1)
3057 else
3058 tasn1=no
3062 ##########################################
3063 # PAM probe
3065 if test "$auth_pam" != "no"; then
3066 cat > $TMPC <<EOF
3067 #include <security/pam_appl.h>
3068 #include <stdio.h>
3069 int main(void) {
3070 const char *service_name = "qemu";
3071 const char *user = "frank";
3072 const struct pam_conv pam_conv = { 0 };
3073 pam_handle_t *pamh = NULL;
3074 pam_start(service_name, user, &pam_conv, &pamh);
3075 return 0;
3078 if compile_prog "" "-lpam" ; then
3079 auth_pam=yes
3080 else
3081 if test "$auth_pam" = "yes"; then
3082 feature_not_found "PAM" "Install PAM development package"
3083 else
3084 auth_pam=no
3089 ##########################################
3090 # getifaddrs (for tests/test-io-channel-socket )
3092 have_ifaddrs_h=yes
3093 if ! check_include "ifaddrs.h" ; then
3094 have_ifaddrs_h=no
3097 #########################################
3098 # libdrm check
3099 have_drm_h=no
3100 if check_include "libdrm/drm.h" ; then
3101 have_drm_h=yes
3104 #########################################
3105 # sys/signal.h check
3106 have_sys_signal_h=no
3107 if check_include "sys/signal.h" ; then
3108 have_sys_signal_h=yes
3111 ##########################################
3112 # VTE probe
3114 if test "$vte" != "no"; then
3115 vteminversion="0.32.0"
3116 if $pkg_config --exists "vte-2.91"; then
3117 vtepackage="vte-2.91"
3118 else
3119 vtepackage="vte-2.90"
3121 if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3122 vte_cflags=$($pkg_config --cflags $vtepackage)
3123 vte_libs=$($pkg_config --libs $vtepackage)
3124 vteversion=$($pkg_config --modversion $vtepackage)
3125 vte="yes"
3126 elif test "$vte" = "yes"; then
3127 feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3128 else
3129 vte="no"
3133 ##########################################
3134 # RDMA needs OpenFabrics libraries
3135 if test "$rdma" != "no" ; then
3136 cat > $TMPC <<EOF
3137 #include <rdma/rdma_cma.h>
3138 int main(void) { return 0; }
3140 rdma_libs="-lrdmacm -libverbs -libumad"
3141 if compile_prog "" "$rdma_libs" ; then
3142 rdma="yes"
3143 else
3144 if test "$rdma" = "yes" ; then
3145 error_exit \
3146 " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3147 " Your options:" \
3148 " (1) Fast: Install infiniband packages (devel) from your distro." \
3149 " (2) Cleanest: Install libraries from www.openfabrics.org" \
3150 " (3) Also: Install softiwarp if you don't have RDMA hardware"
3152 rdma="no"
3156 ##########################################
3157 # PVRDMA detection
3159 cat > $TMPC <<EOF &&
3160 #include <sys/mman.h>
3163 main(void)
3165 char buf = 0;
3166 void *addr = &buf;
3167 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3169 return 0;
3173 if test "$rdma" = "yes" ; then
3174 case "$pvrdma" in
3176 if compile_prog "" ""; then
3177 pvrdma="yes"
3178 else
3179 pvrdma="no"
3182 "yes")
3183 if ! compile_prog "" ""; then
3184 error_exit "PVRDMA is not supported since mremap is not implemented"
3186 pvrdma="yes"
3188 "no")
3189 pvrdma="no"
3191 esac
3192 else
3193 if test "$pvrdma" = "yes" ; then
3194 error_exit "PVRDMA requires rdma suppport"
3196 pvrdma="no"
3199 # Let's see if enhanced reg_mr is supported
3200 if test "$pvrdma" = "yes" ; then
3202 cat > $TMPC <<EOF &&
3203 #include <infiniband/verbs.h>
3206 main(void)
3208 struct ibv_mr *mr;
3209 struct ibv_pd *pd = NULL;
3210 size_t length = 10;
3211 uint64_t iova = 0;
3212 int access = 0;
3213 void *addr = NULL;
3215 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3217 ibv_dereg_mr(mr);
3219 return 0;
3222 if ! compile_prog "" "-libverbs"; then
3223 QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3227 ##########################################
3228 # xfsctl() probe, used for file-posix.c
3229 if test "$xfs" != "no" ; then
3230 cat > $TMPC << EOF
3231 #include <stddef.h> /* NULL */
3232 #include <xfs/xfs.h>
3233 int main(void)
3235 xfsctl(NULL, 0, 0, NULL);
3236 return 0;
3239 if compile_prog "" "" ; then
3240 xfs="yes"
3241 else
3242 if test "$xfs" = "yes" ; then
3243 feature_not_found "xfs" "Install xfsprogs/xfslibs devel"
3245 xfs=no
3249 ##########################################
3250 # vde libraries probe
3251 if test "$vde" != "no" ; then
3252 vde_libs="-lvdeplug"
3253 cat > $TMPC << EOF
3254 #include <libvdeplug.h>
3255 int main(void)
3257 struct vde_open_args a = {0, 0, 0};
3258 char s[] = "";
3259 vde_open(s, s, &a);
3260 return 0;
3263 if compile_prog "" "$vde_libs" ; then
3264 vde=yes
3265 else
3266 if test "$vde" = "yes" ; then
3267 feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3269 vde=no
3273 ##########################################
3274 # netmap support probe
3275 # Apart from looking for netmap headers, we make sure that the host API version
3276 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3277 # a minor/major version number. Minor new features will be marked with values up
3278 # to 15, and if something happens that requires a change to the backend we will
3279 # move above 15, submit the backend fixes and modify this two bounds.
3280 if test "$netmap" != "no" ; then
3281 cat > $TMPC << EOF
3282 #include <inttypes.h>
3283 #include <net/if.h>
3284 #include <net/netmap.h>
3285 #include <net/netmap_user.h>
3286 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3287 #error
3288 #endif
3289 int main(void) { return 0; }
3291 if compile_prog "" "" ; then
3292 netmap=yes
3293 else
3294 if test "$netmap" = "yes" ; then
3295 feature_not_found "netmap"
3297 netmap=no
3301 ##########################################
3302 # libcap-ng library probe
3303 if test "$cap_ng" != "no" ; then
3304 cap_libs="-lcap-ng"
3305 cat > $TMPC << EOF
3306 #include <cap-ng.h>
3307 int main(void)
3309 capng_capability_to_name(CAPNG_EFFECTIVE);
3310 return 0;
3313 if compile_prog "" "$cap_libs" ; then
3314 cap_ng=yes
3315 else
3316 if test "$cap_ng" = "yes" ; then
3317 feature_not_found "cap_ng" "Install libcap-ng devel"
3319 cap_ng=no
3323 ##########################################
3324 # Sound support libraries probe
3326 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3327 for drv in $audio_drv_list; do
3328 case $drv in
3329 alsa | try-alsa)
3330 if $pkg_config alsa --exists; then
3331 alsa_libs=$($pkg_config alsa --libs)
3332 alsa_cflags=$($pkg_config alsa --cflags)
3333 alsa=yes
3334 if test "$drv" = "try-alsa"; then
3335 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3337 else
3338 if test "$drv" = "try-alsa"; then
3339 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3340 else
3341 error_exit "$drv check failed" \
3342 "Make sure to have the $drv libs and headers installed."
3347 pa | try-pa)
3348 if $pkg_config libpulse --exists; then
3349 libpulse=yes
3350 pulse_libs=$($pkg_config libpulse --libs)
3351 pulse_cflags=$($pkg_config libpulse --cflags)
3352 if test "$drv" = "try-pa"; then
3353 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3355 else
3356 if test "$drv" = "try-pa"; then
3357 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3358 else
3359 error_exit "$drv check failed" \
3360 "Make sure to have the $drv libs and headers installed."
3365 sdl)
3366 if test "$sdl" = "no"; then
3367 error_exit "sdl not found or disabled, can not use sdl audio driver"
3371 try-sdl)
3372 if test "$sdl" = "no"; then
3373 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3374 else
3375 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3379 coreaudio)
3380 coreaudio_libs="-framework CoreAudio"
3383 dsound)
3384 dsound_libs="-lole32 -ldxguid"
3385 audio_win_int="yes"
3388 oss)
3389 oss_libs="$oss_lib"
3392 jack | try-jack)
3393 if $pkg_config jack --exists; then
3394 libjack=yes
3395 jack_libs=$($pkg_config jack --libs)
3396 if test "$drv" = "try-jack"; then
3397 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3399 else
3400 if test "$drv" = "try-jack"; then
3401 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3402 else
3403 error_exit "$drv check failed" \
3404 "Make sure to have the $drv libs and headers installed."
3410 echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3411 error_exit "Unknown driver '$drv' selected" \
3412 "Possible drivers are: $audio_possible_drivers"
3415 esac
3416 done
3418 ##########################################
3419 # BrlAPI probe
3421 if test "$brlapi" != "no" ; then
3422 brlapi_libs="-lbrlapi"
3423 cat > $TMPC << EOF
3424 #include <brlapi.h>
3425 #include <stddef.h>
3426 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3428 if compile_prog "" "$brlapi_libs" ; then
3429 brlapi=yes
3430 else
3431 if test "$brlapi" = "yes" ; then
3432 feature_not_found "brlapi" "Install brlapi devel"
3434 brlapi=no
3438 ##########################################
3439 # curl probe
3440 if test "$curl" != "no" ; then
3441 if $pkg_config libcurl --exists; then
3442 curlconfig="$pkg_config libcurl"
3443 else
3444 curlconfig=curl-config
3446 cat > $TMPC << EOF
3447 #include <curl/curl.h>
3448 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3450 curl_cflags=$($curlconfig --cflags 2>/dev/null)
3451 curl_libs=$($curlconfig --libs 2>/dev/null)
3452 if compile_prog "$curl_cflags" "$curl_libs" ; then
3453 curl=yes
3454 else
3455 if test "$curl" = "yes" ; then
3456 feature_not_found "curl" "Install libcurl devel"
3458 curl=no
3460 fi # test "$curl"
3462 ##########################################
3463 # glib support probe
3465 glib_req_ver=2.48
3466 glib_modules=gthread-2.0
3467 if test "$modules" = yes; then
3468 glib_modules="$glib_modules gmodule-export-2.0"
3470 if test "$plugins" = yes; then
3471 glib_modules="$glib_modules gmodule-2.0"
3474 for i in $glib_modules; do
3475 if $pkg_config --atleast-version=$glib_req_ver $i; then
3476 glib_cflags=$($pkg_config --cflags $i)
3477 glib_libs=$($pkg_config --libs $i)
3478 else
3479 error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3481 done
3483 # This workaround is required due to a bug in pkg-config file for glib as it
3484 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3486 if test "$static" = yes && test "$mingw32" = yes; then
3487 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
3490 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3491 gio=yes
3492 gio_cflags=$($pkg_config --cflags gio-2.0)
3493 gio_libs=$($pkg_config --libs gio-2.0)
3494 gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3495 if [ ! -x "$gdbus_codegen" ]; then
3496 gdbus_codegen=
3498 else
3499 gio=no
3502 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3503 gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3504 gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3507 # Sanity check that the current size_t matches the
3508 # size that glib thinks it should be. This catches
3509 # problems on multi-arch where people try to build
3510 # 32-bit QEMU while pointing at 64-bit glib headers
3511 cat > $TMPC <<EOF
3512 #include <glib.h>
3513 #include <unistd.h>
3515 #define QEMU_BUILD_BUG_ON(x) \
3516 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3518 int main(void) {
3519 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3520 return 0;
3524 if ! compile_prog "$glib_cflags" "$glib_libs" ; then
3525 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3526 "You probably need to set PKG_CONFIG_LIBDIR"\
3527 "to point to the right pkg-config files for your"\
3528 "build target"
3531 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3532 cat > $TMPC << EOF
3533 #include <glib.h>
3534 int main(void) { return 0; }
3536 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3537 if cc_has_warning_flag "-Wno-unknown-attributes"; then
3538 glib_cflags="-Wno-unknown-attributes $glib_cflags"
3539 CONFIGURE_CFLAGS="-Wno-unknown-attributes $CONFIGURE_CFLAGS"
3543 # Silence clang warnings triggered by glib < 2.57.2
3544 cat > $TMPC << EOF
3545 #include <glib.h>
3546 typedef struct Foo {
3547 int i;
3548 } Foo;
3549 static void foo_free(Foo *f)
3551 g_free(f);
3553 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
3554 int main(void) { return 0; }
3556 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3557 if cc_has_warning_flag "-Wno-unused-function"; then
3558 glib_cflags="$glib_cflags -Wno-unused-function"
3559 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
3563 ##########################################
3564 # SHA command probe for modules
3565 if test "$modules" = yes; then
3566 shacmd_probe="sha1sum sha1 shasum"
3567 for c in $shacmd_probe; do
3568 if has $c; then
3569 shacmd="$c"
3570 break
3572 done
3573 if test "$shacmd" = ""; then
3574 error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3578 ##########################################
3579 # pthread probe
3580 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3582 pthread=no
3583 cat > $TMPC << EOF
3584 #include <pthread.h>
3585 static void *f(void *p) { return NULL; }
3586 int main(void) {
3587 pthread_t thread;
3588 pthread_create(&thread, 0, f, 0);
3589 return 0;
3592 if compile_prog "" "" ; then
3593 pthread=yes
3594 else
3595 for pthread_lib in $PTHREADLIBS_LIST; do
3596 if compile_prog "" "$pthread_lib" ; then
3597 pthread=yes
3598 found=no
3599 for lib_entry in $LIBS; do
3600 if test "$lib_entry" = "$pthread_lib"; then
3601 found=yes
3602 break
3604 done
3605 if test "$found" = "no"; then
3606 LIBS="$pthread_lib $LIBS"
3608 break
3610 done
3613 if test "$mingw32" != yes && test "$pthread" = no; then
3614 error_exit "pthread check failed" \
3615 "Make sure to have the pthread libs and headers installed."
3618 # check for pthread_setname_np with thread id
3619 pthread_setname_np_w_tid=no
3620 cat > $TMPC << EOF
3621 #include <pthread.h>
3623 static void *f(void *p) { return NULL; }
3624 int main(void)
3626 pthread_t thread;
3627 pthread_create(&thread, 0, f, 0);
3628 pthread_setname_np(thread, "QEMU");
3629 return 0;
3632 if compile_prog "" "$pthread_lib" ; then
3633 pthread_setname_np_w_tid=yes
3636 # check for pthread_setname_np without thread id
3637 pthread_setname_np_wo_tid=no
3638 cat > $TMPC << EOF
3639 #include <pthread.h>
3641 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
3642 int main(void)
3644 pthread_t thread;
3645 pthread_create(&thread, 0, f, 0);
3646 return 0;
3649 if compile_prog "" "$pthread_lib" ; then
3650 pthread_setname_np_wo_tid=yes
3653 ##########################################
3654 # rbd probe
3655 if test "$rbd" != "no" ; then
3656 cat > $TMPC <<EOF
3657 #include <stdio.h>
3658 #include <rbd/librbd.h>
3659 int main(void) {
3660 rados_t cluster;
3661 rados_create(&cluster, NULL);
3662 return 0;
3665 rbd_libs="-lrbd -lrados"
3666 if compile_prog "" "$rbd_libs" ; then
3667 rbd=yes
3668 else
3669 if test "$rbd" = "yes" ; then
3670 feature_not_found "rados block device" "Install librbd/ceph devel"
3672 rbd=no
3676 ##########################################
3677 # libssh probe
3678 if test "$libssh" != "no" ; then
3679 if $pkg_config --exists libssh; then
3680 libssh_cflags=$($pkg_config libssh --cflags)
3681 libssh_libs=$($pkg_config libssh --libs)
3682 libssh=yes
3683 else
3684 if test "$libssh" = "yes" ; then
3685 error_exit "libssh required for --enable-libssh"
3687 libssh=no
3691 ##########################################
3692 # Check for libssh 0.8
3693 # This is done like this instead of using the LIBSSH_VERSION_* and
3694 # SSH_VERSION_* macros because some distributions in the past shipped
3695 # snapshots of the future 0.8 from Git, and those snapshots did not
3696 # have updated version numbers (still referring to 0.7.0).
3698 if test "$libssh" = "yes"; then
3699 cat > $TMPC <<EOF
3700 #include <libssh/libssh.h>
3701 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
3703 if compile_prog "$libssh_cflags" "$libssh_libs"; then
3704 libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
3708 ##########################################
3709 # linux-aio probe
3711 if test "$linux_aio" != "no" ; then
3712 cat > $TMPC <<EOF
3713 #include <libaio.h>
3714 #include <sys/eventfd.h>
3715 #include <stddef.h>
3716 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3718 if compile_prog "" "-laio" ; then
3719 linux_aio=yes
3720 else
3721 if test "$linux_aio" = "yes" ; then
3722 feature_not_found "linux AIO" "Install libaio devel"
3724 linux_aio=no
3727 ##########################################
3728 # linux-io-uring probe
3730 if test "$linux_io_uring" != "no" ; then
3731 if $pkg_config liburing; then
3732 linux_io_uring_cflags=$($pkg_config --cflags liburing)
3733 linux_io_uring_libs=$($pkg_config --libs liburing)
3734 linux_io_uring=yes
3735 else
3736 if test "$linux_io_uring" = "yes" ; then
3737 feature_not_found "linux io_uring" "Install liburing devel"
3739 linux_io_uring=no
3743 ##########################################
3744 # TPM emulation is only on POSIX
3746 if test "$tpm" = ""; then
3747 if test "$mingw32" = "yes"; then
3748 tpm=no
3749 else
3750 tpm=yes
3752 elif test "$tpm" = "yes"; then
3753 if test "$mingw32" = "yes" ; then
3754 error_exit "TPM emulation only available on POSIX systems"
3758 ##########################################
3759 # attr probe
3761 libattr_libs=
3762 if test "$attr" != "no" ; then
3763 cat > $TMPC <<EOF
3764 #include <stdio.h>
3765 #include <sys/types.h>
3766 #ifdef CONFIG_LIBATTR
3767 #include <attr/xattr.h>
3768 #else
3769 #include <sys/xattr.h>
3770 #endif
3771 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3773 if compile_prog "" "" ; then
3774 attr=yes
3775 # Older distros have <attr/xattr.h>, and need -lattr:
3776 elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3777 attr=yes
3778 libattr_libs="-lattr"
3779 libattr=yes
3780 else
3781 if test "$attr" = "yes" ; then
3782 feature_not_found "ATTR" "Install libc6 or libattr devel"
3784 attr=no
3788 ##########################################
3789 # iovec probe
3790 cat > $TMPC <<EOF
3791 #include <sys/types.h>
3792 #include <sys/uio.h>
3793 #include <unistd.h>
3794 int main(void) { return sizeof(struct iovec); }
3796 iovec=no
3797 if compile_prog "" "" ; then
3798 iovec=yes
3801 ##########################################
3802 # preadv probe
3803 cat > $TMPC <<EOF
3804 #include <sys/types.h>
3805 #include <sys/uio.h>
3806 #include <unistd.h>
3807 int main(void) { return preadv(0, 0, 0, 0); }
3809 preadv=no
3810 if compile_prog "" "" ; then
3811 preadv=yes
3814 ##########################################
3815 # fdt probe
3817 case "$fdt" in
3818 auto | enabled | internal)
3819 # Simpler to always update submodule, even if not needed.
3820 if test -e "${source_path}/.git" && test $git_update = 'yes' ; then
3821 git_submodules="${git_submodules} dtc"
3824 esac
3826 ##########################################
3827 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3829 gbm="no"
3830 if $pkg_config gbm; then
3831 gbm_cflags="$($pkg_config --cflags gbm)"
3832 gbm_libs="$($pkg_config --libs gbm)"
3833 gbm="yes"
3836 if test "$opengl" != "no" ; then
3837 opengl_pkgs="epoxy gbm"
3838 if $pkg_config $opengl_pkgs; then
3839 opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
3840 opengl_libs="$($pkg_config --libs $opengl_pkgs)"
3841 opengl=yes
3842 if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3843 gtk_gl="yes"
3845 else
3846 if test "$opengl" = "yes" ; then
3847 feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3849 opengl_cflags=""
3850 opengl_libs=""
3851 opengl=no
3855 if test "$opengl" = "yes"; then
3856 cat > $TMPC << EOF
3857 #include <epoxy/egl.h>
3858 #ifndef EGL_MESA_image_dma_buf_export
3859 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3860 #endif
3861 int main(void) { return 0; }
3863 if compile_prog "" "" ; then
3864 opengl_dmabuf=yes
3868 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
3869 for target in $target_list; do
3870 case $target in
3871 lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
3872 need_x11=yes
3874 esac
3875 done
3878 ##########################################
3879 # libxml2 probe
3880 if test "$libxml2" != "no" ; then
3881 if $pkg_config --exists libxml-2.0; then
3882 libxml2="yes"
3883 libxml2_cflags=$($pkg_config --cflags libxml-2.0)
3884 libxml2_libs=$($pkg_config --libs libxml-2.0)
3885 else
3886 if test "$libxml2" = "yes"; then
3887 feature_not_found "libxml2" "Install libxml2 devel"
3889 libxml2="no"
3893 ##########################################
3894 # glusterfs probe
3895 if test "$glusterfs" != "no" ; then
3896 if $pkg_config --atleast-version=3 glusterfs-api; then
3897 glusterfs="yes"
3898 glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3899 glusterfs_libs=$($pkg_config --libs glusterfs-api)
3900 if $pkg_config --atleast-version=4 glusterfs-api; then
3901 glusterfs_xlator_opt="yes"
3903 if $pkg_config --atleast-version=5 glusterfs-api; then
3904 glusterfs_discard="yes"
3906 if $pkg_config --atleast-version=6 glusterfs-api; then
3907 glusterfs_fallocate="yes"
3908 glusterfs_zerofill="yes"
3910 cat > $TMPC << EOF
3911 #include <glusterfs/api/glfs.h>
3914 main(void)
3916 /* new glfs_ftruncate() passes two additional args */
3917 return glfs_ftruncate(NULL, 0, NULL, NULL);
3920 if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
3921 glusterfs_ftruncate_has_stat="yes"
3923 cat > $TMPC << EOF
3924 #include <glusterfs/api/glfs.h>
3926 /* new glfs_io_cbk() passes two additional glfs_stat structs */
3927 static void
3928 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
3932 main(void)
3934 glfs_io_cbk iocb = &glusterfs_iocb;
3935 iocb(NULL, 0 , NULL, NULL, NULL);
3936 return 0;
3939 if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
3940 glusterfs_iocb_has_stat="yes"
3942 else
3943 if test "$glusterfs" = "yes" ; then
3944 feature_not_found "GlusterFS backend support" \
3945 "Install glusterfs-api devel >= 3"
3947 glusterfs="no"
3951 # Check for inotify functions when we are building linux-user
3952 # emulator. This is done because older glibc versions don't
3953 # have syscall stubs for these implemented. In that case we
3954 # don't provide them even if kernel supports them.
3956 inotify=no
3957 cat > $TMPC << EOF
3958 #include <sys/inotify.h>
3961 main(void)
3963 /* try to start inotify */
3964 return inotify_init();
3967 if compile_prog "" "" ; then
3968 inotify=yes
3971 inotify1=no
3972 cat > $TMPC << EOF
3973 #include <sys/inotify.h>
3976 main(void)
3978 /* try to start inotify */
3979 return inotify_init1(0);
3982 if compile_prog "" "" ; then
3983 inotify1=yes
3986 # check if pipe2 is there
3987 pipe2=no
3988 cat > $TMPC << EOF
3989 #include <unistd.h>
3990 #include <fcntl.h>
3992 int main(void)
3994 int pipefd[2];
3995 return pipe2(pipefd, O_CLOEXEC);
3998 if compile_prog "" "" ; then
3999 pipe2=yes
4002 # check if accept4 is there
4003 accept4=no
4004 cat > $TMPC << EOF
4005 #include <sys/socket.h>
4006 #include <stddef.h>
4008 int main(void)
4010 accept4(0, NULL, NULL, SOCK_CLOEXEC);
4011 return 0;
4014 if compile_prog "" "" ; then
4015 accept4=yes
4018 # check if tee/splice is there. vmsplice was added same time.
4019 splice=no
4020 cat > $TMPC << EOF
4021 #include <unistd.h>
4022 #include <fcntl.h>
4023 #include <limits.h>
4025 int main(void)
4027 int len, fd = 0;
4028 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4029 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4030 return 0;
4033 if compile_prog "" "" ; then
4034 splice=yes
4037 ##########################################
4038 # libnuma probe
4040 if test "$numa" != "no" ; then
4041 cat > $TMPC << EOF
4042 #include <numa.h>
4043 int main(void) { return numa_available(); }
4046 if compile_prog "" "-lnuma" ; then
4047 numa=yes
4048 numa_libs="-lnuma"
4049 else
4050 if test "$numa" = "yes" ; then
4051 feature_not_found "numa" "install numactl devel"
4053 numa=no
4057 malloc=system
4058 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4059 echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4060 exit 1
4061 elif test "$tcmalloc" = "yes" ; then
4062 malloc=tcmalloc
4063 elif test "$jemalloc" = "yes" ; then
4064 malloc=jemalloc
4067 ##########################################
4068 # signalfd probe
4069 signalfd="no"
4070 cat > $TMPC << EOF
4071 #include <unistd.h>
4072 #include <sys/syscall.h>
4073 #include <signal.h>
4074 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4077 if compile_prog "" "" ; then
4078 signalfd=yes
4081 # check if optreset global is declared by <getopt.h>
4082 optreset="no"
4083 cat > $TMPC << EOF
4084 #include <getopt.h>
4085 int main(void) { return optreset; }
4088 if compile_prog "" "" ; then
4089 optreset=yes
4092 # check if eventfd is supported
4093 eventfd=no
4094 cat > $TMPC << EOF
4095 #include <sys/eventfd.h>
4097 int main(void)
4099 return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4102 if compile_prog "" "" ; then
4103 eventfd=yes
4106 # check if memfd is supported
4107 memfd=no
4108 cat > $TMPC << EOF
4109 #include <sys/mman.h>
4111 int main(void)
4113 return memfd_create("foo", MFD_ALLOW_SEALING);
4116 if compile_prog "" "" ; then
4117 memfd=yes
4120 # check for usbfs
4121 have_usbfs=no
4122 if test "$linux_user" = "yes"; then
4123 cat > $TMPC << EOF
4124 #include <linux/usbdevice_fs.h>
4126 #ifndef USBDEVFS_GET_CAPABILITIES
4127 #error "USBDEVFS_GET_CAPABILITIES undefined"
4128 #endif
4130 #ifndef USBDEVFS_DISCONNECT_CLAIM
4131 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4132 #endif
4134 int main(void)
4136 return 0;
4139 if compile_prog "" ""; then
4140 have_usbfs=yes
4144 # check for fallocate
4145 fallocate=no
4146 cat > $TMPC << EOF
4147 #include <fcntl.h>
4149 int main(void)
4151 fallocate(0, 0, 0, 0);
4152 return 0;
4155 if compile_prog "" "" ; then
4156 fallocate=yes
4159 # check for fallocate hole punching
4160 fallocate_punch_hole=no
4161 cat > $TMPC << EOF
4162 #include <fcntl.h>
4163 #include <linux/falloc.h>
4165 int main(void)
4167 fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4168 return 0;
4171 if compile_prog "" "" ; then
4172 fallocate_punch_hole=yes
4175 # check that fallocate supports range zeroing inside the file
4176 fallocate_zero_range=no
4177 cat > $TMPC << EOF
4178 #include <fcntl.h>
4179 #include <linux/falloc.h>
4181 int main(void)
4183 fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4184 return 0;
4187 if compile_prog "" "" ; then
4188 fallocate_zero_range=yes
4191 # check for posix_fallocate
4192 posix_fallocate=no
4193 cat > $TMPC << EOF
4194 #include <fcntl.h>
4196 int main(void)
4198 posix_fallocate(0, 0, 0);
4199 return 0;
4202 if compile_prog "" "" ; then
4203 posix_fallocate=yes
4206 # check for sync_file_range
4207 sync_file_range=no
4208 cat > $TMPC << EOF
4209 #include <fcntl.h>
4211 int main(void)
4213 sync_file_range(0, 0, 0, 0);
4214 return 0;
4217 if compile_prog "" "" ; then
4218 sync_file_range=yes
4221 # check for linux/fiemap.h and FS_IOC_FIEMAP
4222 fiemap=no
4223 cat > $TMPC << EOF
4224 #include <sys/ioctl.h>
4225 #include <linux/fs.h>
4226 #include <linux/fiemap.h>
4228 int main(void)
4230 ioctl(0, FS_IOC_FIEMAP, 0);
4231 return 0;
4234 if compile_prog "" "" ; then
4235 fiemap=yes
4238 # check for dup3
4239 dup3=no
4240 cat > $TMPC << EOF
4241 #include <unistd.h>
4243 int main(void)
4245 dup3(0, 0, 0);
4246 return 0;
4249 if compile_prog "" "" ; then
4250 dup3=yes
4253 # check for ppoll support
4254 ppoll=no
4255 cat > $TMPC << EOF
4256 #include <poll.h>
4258 int main(void)
4260 struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4261 ppoll(&pfd, 1, 0, 0);
4262 return 0;
4265 if compile_prog "" "" ; then
4266 ppoll=yes
4269 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4270 prctl_pr_set_timerslack=no
4271 cat > $TMPC << EOF
4272 #include <sys/prctl.h>
4274 int main(void)
4276 prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4277 return 0;
4280 if compile_prog "" "" ; then
4281 prctl_pr_set_timerslack=yes
4284 # check for epoll support
4285 epoll=no
4286 cat > $TMPC << EOF
4287 #include <sys/epoll.h>
4289 int main(void)
4291 epoll_create(0);
4292 return 0;
4295 if compile_prog "" "" ; then
4296 epoll=yes
4299 # epoll_create1 is a later addition
4300 # so we must check separately for its presence
4301 epoll_create1=no
4302 cat > $TMPC << EOF
4303 #include <sys/epoll.h>
4305 int main(void)
4307 /* Note that we use epoll_create1 as a value, not as
4308 * a function being called. This is necessary so that on
4309 * old SPARC glibc versions where the function was present in
4310 * the library but not declared in the header file we will
4311 * fail the configure check. (Otherwise we will get a compiler
4312 * warning but not an error, and will proceed to fail the
4313 * qemu compile where we compile with -Werror.)
4315 return (int)(uintptr_t)&epoll_create1;
4318 if compile_prog "" "" ; then
4319 epoll_create1=yes
4322 # check for sendfile support
4323 sendfile=no
4324 cat > $TMPC << EOF
4325 #include <sys/sendfile.h>
4327 int main(void)
4329 return sendfile(0, 0, 0, 0);
4332 if compile_prog "" "" ; then
4333 sendfile=yes
4336 # check for timerfd support (glibc 2.8 and newer)
4337 timerfd=no
4338 cat > $TMPC << EOF
4339 #include <sys/timerfd.h>
4341 int main(void)
4343 return(timerfd_create(CLOCK_REALTIME, 0));
4346 if compile_prog "" "" ; then
4347 timerfd=yes
4350 # check for setns and unshare support
4351 setns=no
4352 cat > $TMPC << EOF
4353 #include <sched.h>
4355 int main(void)
4357 int ret;
4358 ret = setns(0, 0);
4359 ret = unshare(0);
4360 return ret;
4363 if compile_prog "" "" ; then
4364 setns=yes
4367 # clock_adjtime probe
4368 clock_adjtime=no
4369 cat > $TMPC <<EOF
4370 #include <time.h>
4372 int main(void)
4374 return clock_adjtime(0, 0);
4377 clock_adjtime=no
4378 if compile_prog "" "" ; then
4379 clock_adjtime=yes
4382 # syncfs probe
4383 syncfs=no
4384 cat > $TMPC <<EOF
4385 #include <unistd.h>
4387 int main(void)
4389 return syncfs(0);
4392 syncfs=no
4393 if compile_prog "" "" ; then
4394 syncfs=yes
4397 # check for kcov support (kernel must be 4.4+, compiled with certain options)
4398 kcov=no
4399 if check_include sys/kcov.h ; then
4400 kcov=yes
4403 # check for btrfs filesystem support (kernel must be 3.9+)
4404 btrfs=no
4405 if check_include linux/btrfs.h ; then
4406 btrfs=yes
4409 # Search for bswap_32 function
4410 byteswap_h=no
4411 cat > $TMPC << EOF
4412 #include <byteswap.h>
4413 int main(void) { return bswap_32(0); }
4415 if compile_prog "" "" ; then
4416 byteswap_h=yes
4419 # Search for bswap32 function
4420 bswap_h=no
4421 cat > $TMPC << EOF
4422 #include <sys/endian.h>
4423 #include <sys/types.h>
4424 #include <machine/bswap.h>
4425 int main(void) { return bswap32(0); }
4427 if compile_prog "" "" ; then
4428 bswap_h=yes
4431 ##########################################
4432 # Do we have libiscsi >= 1.9.0
4433 if test "$libiscsi" != "no" ; then
4434 if $pkg_config --atleast-version=1.9.0 libiscsi; then
4435 libiscsi="yes"
4436 libiscsi_cflags=$($pkg_config --cflags libiscsi)
4437 libiscsi_libs=$($pkg_config --libs libiscsi)
4438 else
4439 if test "$libiscsi" = "yes" ; then
4440 feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4442 libiscsi="no"
4446 ##########################################
4447 # Do we need librt
4448 # uClibc provides 2 versions of clock_gettime(), one with realtime
4449 # support and one without. This means that the clock_gettime() don't
4450 # need -lrt. We still need it for timer_create() so we check for this
4451 # function in addition.
4452 cat > $TMPC <<EOF
4453 #include <signal.h>
4454 #include <time.h>
4455 int main(void) {
4456 timer_create(CLOCK_REALTIME, NULL, NULL);
4457 return clock_gettime(CLOCK_REALTIME, NULL);
4461 if compile_prog "" "" ; then
4463 # we need pthread for static linking. use previous pthread test result
4464 elif compile_prog "" "$pthread_lib -lrt" ; then
4465 LIBS="$LIBS -lrt"
4468 # Check whether we have openpty() in either libc or libutil
4469 cat > $TMPC << EOF
4470 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4471 int main(void) { return openpty(0, 0, 0, 0, 0); }
4474 have_openpty="no"
4475 if compile_prog "" "" ; then
4476 have_openpty="yes"
4477 else
4478 if compile_prog "" "-lutil" ; then
4479 have_openpty="yes"
4483 ##########################################
4484 # spice probe
4485 if test "$spice" != "no" ; then
4486 cat > $TMPC << EOF
4487 #include <spice.h>
4488 int main(void) { spice_server_new(); return 0; }
4490 spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4491 spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4492 if $pkg_config --atleast-version=0.12.5 spice-server && \
4493 $pkg_config --atleast-version=0.12.3 spice-protocol && \
4494 compile_prog "$spice_cflags" "$spice_libs" ; then
4495 spice="yes"
4496 else
4497 if test "$spice" = "yes" ; then
4498 feature_not_found "spice" \
4499 "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4501 spice="no"
4505 # check for smartcard support
4506 if test "$smartcard" != "no"; then
4507 if $pkg_config --atleast-version=2.5.1 libcacard; then
4508 libcacard_cflags=$($pkg_config --cflags libcacard)
4509 libcacard_libs=$($pkg_config --libs libcacard)
4510 smartcard="yes"
4511 else
4512 if test "$smartcard" = "yes"; then
4513 feature_not_found "smartcard" "Install libcacard devel"
4515 smartcard="no"
4519 # check for libusb
4520 if test "$libusb" != "no" ; then
4521 if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4522 libusb="yes"
4523 libusb_cflags=$($pkg_config --cflags libusb-1.0)
4524 libusb_libs=$($pkg_config --libs libusb-1.0)
4525 else
4526 if test "$libusb" = "yes"; then
4527 feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4529 libusb="no"
4533 # check for usbredirparser for usb network redirection support
4534 if test "$usb_redir" != "no" ; then
4535 if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4536 usb_redir="yes"
4537 usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4538 usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4539 else
4540 if test "$usb_redir" = "yes"; then
4541 feature_not_found "usb-redir" "Install usbredir devel"
4543 usb_redir="no"
4547 ##########################################
4548 # check if we have VSS SDK headers for win
4550 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4551 test "$vss_win32_sdk" != "no" ; then
4552 case "$vss_win32_sdk" in
4553 "") vss_win32_include="-isystem $source_path" ;;
4554 *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4555 # handle path with spaces. So we symlink the headers into ".sdk/vss".
4556 vss_win32_include="-isystem $source_path/.sdk/vss"
4557 symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4559 *) vss_win32_include="-isystem $vss_win32_sdk"
4560 esac
4561 cat > $TMPC << EOF
4562 #define __MIDL_user_allocate_free_DEFINED__
4563 #include <inc/win2003/vss.h>
4564 int main(void) { return VSS_CTX_BACKUP; }
4566 if compile_prog "$vss_win32_include" "" ; then
4567 guest_agent_with_vss="yes"
4568 QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4569 libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4570 qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4571 else
4572 if test "$vss_win32_sdk" != "" ; then
4573 echo "ERROR: Please download and install Microsoft VSS SDK:"
4574 echo "ERROR: http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4575 echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4576 echo "ERROR: scripts/extract-vsssdk-headers setup.exe"
4577 echo "ERROR: The headers are extracted in the directory \`inc'."
4578 feature_not_found "VSS support"
4580 guest_agent_with_vss="no"
4584 ##########################################
4585 # lookup Windows platform SDK (if not specified)
4586 # The SDK is needed only to build .tlb (type library) file of guest agent
4587 # VSS provider from the source. It is usually unnecessary because the
4588 # pre-compiled .tlb file is included.
4590 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4591 test "$guest_agent_with_vss" = "yes" ; then
4592 if test -z "$win_sdk"; then
4593 programfiles="$PROGRAMFILES"
4594 test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4595 if test -n "$programfiles"; then
4596 win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4597 else
4598 feature_not_found "Windows SDK"
4600 elif test "$win_sdk" = "no"; then
4601 win_sdk=""
4605 ##########################################
4606 # check if mingw environment provides a recent ntddscsi.h
4607 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4608 cat > $TMPC << EOF
4609 #include <windows.h>
4610 #include <ntddscsi.h>
4611 int main(void) {
4612 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4613 #error Missing required ioctl definitions
4614 #endif
4615 SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4616 return addr.Lun;
4619 if compile_prog "" "" ; then
4620 guest_agent_ntddscsi=yes
4621 libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
4625 ##########################################
4626 # virgl renderer probe
4628 if test "$virglrenderer" != "no" ; then
4629 cat > $TMPC << EOF
4630 #include <virglrenderer.h>
4631 int main(void) { virgl_renderer_poll(); return 0; }
4633 virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4634 virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4635 virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
4636 if $pkg_config virglrenderer >/dev/null 2>&1 && \
4637 compile_prog "$virgl_cflags" "$virgl_libs" ; then
4638 virglrenderer="yes"
4639 else
4640 if test "$virglrenderer" = "yes" ; then
4641 feature_not_found "virglrenderer"
4643 virglrenderer="no"
4647 ##########################################
4648 # capstone
4650 case "$capstone" in
4651 auto | enabled | internal)
4652 # Simpler to always update submodule, even if not needed.
4653 if test -e "${source_path}/.git" && test $git_update = 'yes' ; then
4654 git_submodules="${git_submodules} capstone"
4657 esac
4659 ##########################################
4660 # check if we have fdatasync
4662 fdatasync=no
4663 cat > $TMPC << EOF
4664 #include <unistd.h>
4665 int main(void) {
4666 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4667 return fdatasync(0);
4668 #else
4669 #error Not supported
4670 #endif
4673 if compile_prog "" "" ; then
4674 fdatasync=yes
4677 ##########################################
4678 # check if we have madvise
4680 madvise=no
4681 cat > $TMPC << EOF
4682 #include <sys/types.h>
4683 #include <sys/mman.h>
4684 #include <stddef.h>
4685 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4687 if compile_prog "" "" ; then
4688 madvise=yes
4691 ##########################################
4692 # check if we have posix_madvise
4694 posix_madvise=no
4695 cat > $TMPC << EOF
4696 #include <sys/mman.h>
4697 #include <stddef.h>
4698 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4700 if compile_prog "" "" ; then
4701 posix_madvise=yes
4704 ##########################################
4705 # check if we have posix_memalign()
4707 posix_memalign=no
4708 cat > $TMPC << EOF
4709 #include <stdlib.h>
4710 int main(void) {
4711 void *p;
4712 return posix_memalign(&p, 8, 8);
4715 if compile_prog "" "" ; then
4716 posix_memalign=yes
4719 ##########################################
4720 # check if we have posix_syslog
4722 posix_syslog=no
4723 cat > $TMPC << EOF
4724 #include <syslog.h>
4725 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4727 if compile_prog "" "" ; then
4728 posix_syslog=yes
4731 ##########################################
4732 # check if we have sem_timedwait
4734 sem_timedwait=no
4735 cat > $TMPC << EOF
4736 #include <semaphore.h>
4737 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
4739 if compile_prog "" "" ; then
4740 sem_timedwait=yes
4743 ##########################################
4744 # check if we have strchrnul
4746 strchrnul=no
4747 cat > $TMPC << EOF
4748 #include <string.h>
4749 int main(void);
4750 // Use a haystack that the compiler shouldn't be able to constant fold
4751 char *haystack = (char*)&main;
4752 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
4754 if compile_prog "" "" ; then
4755 strchrnul=yes
4758 #########################################
4759 # check if we have st_atim
4761 st_atim=no
4762 cat > $TMPC << EOF
4763 #include <sys/stat.h>
4764 #include <stddef.h>
4765 int main(void) { return offsetof(struct stat, st_atim); }
4767 if compile_prog "" "" ; then
4768 st_atim=yes
4771 ##########################################
4772 # check if trace backend exists
4774 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends > /dev/null 2> /dev/null
4775 if test "$?" -ne 0 ; then
4776 error_exit "invalid trace backends" \
4777 "Please choose supported trace backends."
4780 ##########################################
4781 # For 'ust' backend, test if ust headers are present
4782 if have_backend "ust"; then
4783 cat > $TMPC << EOF
4784 #include <lttng/tracepoint.h>
4785 int main(void) { return 0; }
4787 if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4788 if $pkg_config lttng-ust --exists; then
4789 lttng_ust_libs=$($pkg_config --libs lttng-ust)
4790 else
4791 lttng_ust_libs="-llttng-ust -ldl"
4793 if $pkg_config liburcu-bp --exists; then
4794 urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4795 else
4796 urcu_bp_libs="-lurcu-bp"
4798 else
4799 error_exit "Trace backend 'ust' missing lttng-ust header files"
4803 ##########################################
4804 # For 'dtrace' backend, test if 'dtrace' command is present
4805 if have_backend "dtrace"; then
4806 if ! has 'dtrace' ; then
4807 error_exit "dtrace command is not found in PATH $PATH"
4809 trace_backend_stap="no"
4810 if has 'stap' ; then
4811 trace_backend_stap="yes"
4815 ##########################################
4816 # check and set a backend for coroutine
4818 # We prefer ucontext, but it's not always possible. The fallback
4819 # is sigcontext. On Windows the only valid backend is the Windows
4820 # specific one.
4822 ucontext_works=no
4823 if test "$darwin" != "yes"; then
4824 cat > $TMPC << EOF
4825 #include <ucontext.h>
4826 #ifdef __stub_makecontext
4827 #error Ignoring glibc stub makecontext which will always fail
4828 #endif
4829 int main(void) { makecontext(0, 0, 0); return 0; }
4831 if compile_prog "" "" ; then
4832 ucontext_works=yes
4836 if test "$coroutine" = ""; then
4837 if test "$mingw32" = "yes"; then
4838 coroutine=win32
4839 elif test "$ucontext_works" = "yes"; then
4840 coroutine=ucontext
4841 else
4842 coroutine=sigaltstack
4844 else
4845 case $coroutine in
4846 windows)
4847 if test "$mingw32" != "yes"; then
4848 error_exit "'windows' coroutine backend only valid for Windows"
4850 # Unfortunately the user visible backend name doesn't match the
4851 # coroutine-*.c filename for this case, so we have to adjust it here.
4852 coroutine=win32
4854 ucontext)
4855 if test "$ucontext_works" != "yes"; then
4856 feature_not_found "ucontext"
4859 sigaltstack)
4860 if test "$mingw32" = "yes"; then
4861 error_exit "only the 'windows' coroutine backend is valid for Windows"
4865 error_exit "unknown coroutine backend $coroutine"
4867 esac
4870 if test "$coroutine_pool" = ""; then
4871 coroutine_pool=yes
4874 if test "$debug_stack_usage" = "yes"; then
4875 if test "$coroutine_pool" = "yes"; then
4876 echo "WARN: disabling coroutine pool for stack usage debugging"
4877 coroutine_pool=no
4881 ##################################################
4882 # SafeStack
4885 if test "$safe_stack" = "yes"; then
4886 cat > $TMPC << EOF
4887 int main(int argc, char *argv[])
4889 #if ! __has_feature(safe_stack)
4890 #error SafeStack Disabled
4891 #endif
4892 return 0;
4895 flag="-fsanitize=safe-stack"
4896 # Check that safe-stack is supported and enabled.
4897 if compile_prog "-Werror $flag" "$flag"; then
4898 # Flag needed both at compilation and at linking
4899 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
4900 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
4901 else
4902 error_exit "SafeStack not supported by your compiler"
4904 if test "$coroutine" != "ucontext"; then
4905 error_exit "SafeStack is only supported by the coroutine backend ucontext"
4907 else
4908 cat > $TMPC << EOF
4909 int main(int argc, char *argv[])
4911 #if defined(__has_feature)
4912 #if __has_feature(safe_stack)
4913 #error SafeStack Enabled
4914 #endif
4915 #endif
4916 return 0;
4919 if test "$safe_stack" = "no"; then
4920 # Make sure that safe-stack is disabled
4921 if ! compile_prog "-Werror" ""; then
4922 # SafeStack was already enabled, try to explicitly remove the feature
4923 flag="-fno-sanitize=safe-stack"
4924 if ! compile_prog "-Werror $flag" "$flag"; then
4925 error_exit "Configure cannot disable SafeStack"
4927 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
4928 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
4930 else # "$safe_stack" = ""
4931 # Set safe_stack to yes or no based on pre-existing flags
4932 if compile_prog "-Werror" ""; then
4933 safe_stack="no"
4934 else
4935 safe_stack="yes"
4936 if test "$coroutine" != "ucontext"; then
4937 error_exit "SafeStack is only supported by the coroutine backend ucontext"
4943 ##########################################
4944 # check if we have open_by_handle_at
4946 open_by_handle_at=no
4947 cat > $TMPC << EOF
4948 #include <fcntl.h>
4949 #if !defined(AT_EMPTY_PATH)
4950 # error missing definition
4951 #else
4952 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4953 #endif
4955 if compile_prog "" "" ; then
4956 open_by_handle_at=yes
4959 ########################################
4960 # check if we have linux/magic.h
4962 linux_magic_h=no
4963 cat > $TMPC << EOF
4964 #include <linux/magic.h>
4965 int main(void) {
4966 return 0;
4969 if compile_prog "" "" ; then
4970 linux_magic_h=yes
4973 ########################################
4974 # check if we have valgrind/valgrind.h
4976 valgrind_h=no
4977 cat > $TMPC << EOF
4978 #include <valgrind/valgrind.h>
4979 int main(void) {
4980 return 0;
4983 if compile_prog "" "" ; then
4984 valgrind_h=yes
4987 ########################################
4988 # check if environ is declared
4990 has_environ=no
4991 cat > $TMPC << EOF
4992 #include <unistd.h>
4993 int main(void) {
4994 environ = 0;
4995 return 0;
4998 if compile_prog "" "" ; then
4999 has_environ=yes
5002 ########################################
5003 # check if cpuid.h is usable.
5005 cat > $TMPC << EOF
5006 #include <cpuid.h>
5007 int main(void) {
5008 unsigned a, b, c, d;
5009 int max = __get_cpuid_max(0, 0);
5011 if (max >= 1) {
5012 __cpuid(1, a, b, c, d);
5015 if (max >= 7) {
5016 __cpuid_count(7, 0, a, b, c, d);
5019 return 0;
5022 if compile_prog "" "" ; then
5023 cpuid_h=yes
5026 ##########################################
5027 # avx2 optimization requirement check
5029 # There is no point enabling this if cpuid.h is not usable,
5030 # since we won't be able to select the new routines.
5032 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5033 cat > $TMPC << EOF
5034 #pragma GCC push_options
5035 #pragma GCC target("avx2")
5036 #include <cpuid.h>
5037 #include <immintrin.h>
5038 static int bar(void *a) {
5039 __m256i x = *(__m256i *)a;
5040 return _mm256_testz_si256(x, x);
5042 int main(int argc, char *argv[]) { return bar(argv[0]); }
5044 if compile_object "" ; then
5045 avx2_opt="yes"
5046 else
5047 avx2_opt="no"
5051 ##########################################
5052 # avx512f optimization requirement check
5054 # There is no point enabling this if cpuid.h is not usable,
5055 # since we won't be able to select the new routines.
5056 # by default, it is turned off.
5057 # if user explicitly want to enable it, check environment
5059 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5060 cat > $TMPC << EOF
5061 #pragma GCC push_options
5062 #pragma GCC target("avx512f")
5063 #include <cpuid.h>
5064 #include <immintrin.h>
5065 static int bar(void *a) {
5066 __m512i x = *(__m512i *)a;
5067 return _mm512_test_epi64_mask(x, x);
5069 int main(int argc, char *argv[])
5071 return bar(argv[0]);
5074 if ! compile_object "" ; then
5075 avx512f_opt="no"
5077 else
5078 avx512f_opt="no"
5081 ########################################
5082 # check if __[u]int128_t is usable.
5084 int128=no
5085 cat > $TMPC << EOF
5086 __int128_t a;
5087 __uint128_t b;
5088 int main (void) {
5089 a = a + b;
5090 b = a * b;
5091 a = a * a;
5092 return 0;
5095 if compile_prog "" "" ; then
5096 int128=yes
5099 #########################################
5100 # See if 128-bit atomic operations are supported.
5102 atomic128=no
5103 if test "$int128" = "yes"; then
5104 cat > $TMPC << EOF
5105 int main(void)
5107 unsigned __int128 x = 0, y = 0;
5108 y = __atomic_load_16(&x, 0);
5109 __atomic_store_16(&x, y, 0);
5110 __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5111 return 0;
5114 if compile_prog "" "" ; then
5115 atomic128=yes
5119 cmpxchg128=no
5120 if test "$int128" = yes && test "$atomic128" = no; then
5121 cat > $TMPC << EOF
5122 int main(void)
5124 unsigned __int128 x = 0, y = 0;
5125 __sync_val_compare_and_swap_16(&x, y, x);
5126 return 0;
5129 if compile_prog "" "" ; then
5130 cmpxchg128=yes
5134 #########################################
5135 # See if 64-bit atomic operations are supported.
5136 # Note that without __atomic builtins, we can only
5137 # assume atomic loads/stores max at pointer size.
5139 cat > $TMPC << EOF
5140 #include <stdint.h>
5141 int main(void)
5143 uint64_t x = 0, y = 0;
5144 #ifdef __ATOMIC_RELAXED
5145 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
5146 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
5147 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
5148 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
5149 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
5150 #else
5151 typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5152 __sync_lock_test_and_set(&x, y);
5153 __sync_val_compare_and_swap(&x, y, 0);
5154 __sync_fetch_and_add(&x, y);
5155 #endif
5156 return 0;
5159 if compile_prog "" "" ; then
5160 atomic64=yes
5163 #########################################
5164 # See if --dynamic-list is supported by the linker
5165 ld_dynamic_list="no"
5166 if test "$static" = "no" ; then
5167 cat > $TMPTXT <<EOF
5169 foo;
5173 cat > $TMPC <<EOF
5174 #include <stdio.h>
5175 void foo(void);
5177 void foo(void)
5179 printf("foo\n");
5182 int main(void)
5184 foo();
5185 return 0;
5189 if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5190 ld_dynamic_list="yes"
5194 #########################################
5195 # See if -exported_symbols_list is supported by the linker
5197 ld_exported_symbols_list="no"
5198 if test "$static" = "no" ; then
5199 cat > $TMPTXT <<EOF
5200 _foo
5203 if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5204 ld_exported_symbols_list="yes"
5208 if test "$plugins" = "yes" &&
5209 test "$ld_dynamic_list" = "no" &&
5210 test "$ld_exported_symbols_list" = "no" ; then
5211 error_exit \
5212 "Plugin support requires dynamic linking and specifying a set of symbols " \
5213 "that are exported to plugins. Unfortunately your linker doesn't " \
5214 "support the flag (--dynamic-list or -exported_symbols_list) used " \
5215 "for this purpose. You can't build with --static."
5218 ########################################
5219 # See if __attribute__((alias)) is supported.
5220 # This false for Xcode 9, but has been remedied for Xcode 10.
5221 # Unfortunately, travis uses Xcode 9 by default.
5223 attralias=no
5224 cat > $TMPC << EOF
5225 int x = 1;
5226 extern const int y __attribute__((alias("x")));
5227 int main(void) { return 0; }
5229 if compile_prog "" "" ; then
5230 attralias=yes
5233 ########################################
5234 # check if getauxval is available.
5236 getauxval=no
5237 cat > $TMPC << EOF
5238 #include <sys/auxv.h>
5239 int main(void) {
5240 return getauxval(AT_HWCAP) == 0;
5243 if compile_prog "" "" ; then
5244 getauxval=yes
5247 ########################################
5248 # check if ccache is interfering with
5249 # semantic analysis of macros
5251 unset CCACHE_CPP2
5252 ccache_cpp2=no
5253 cat > $TMPC << EOF
5254 static const int Z = 1;
5255 #define fn() ({ Z; })
5256 #define TAUT(X) ((X) == Z)
5257 #define PAREN(X, Y) (X == Y)
5258 #define ID(X) (X)
5259 int main(int argc, char *argv[])
5261 int x = 0, y = 0;
5262 x = ID(x);
5263 x = fn();
5264 fn();
5265 if (PAREN(x, y)) return 0;
5266 if (TAUT(Z)) return 0;
5267 return 0;
5271 if ! compile_object "-Werror"; then
5272 ccache_cpp2=yes
5275 #################################################
5276 # clang does not support glibc + FORTIFY_SOURCE.
5278 if test "$fortify_source" != "no"; then
5279 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5280 fortify_source="no";
5281 elif test -n "$cxx" && has $cxx &&
5282 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5283 fortify_source="no";
5284 else
5285 fortify_source="yes"
5289 ###############################################
5290 # Check if copy_file_range is provided by glibc
5291 have_copy_file_range=no
5292 cat > $TMPC << EOF
5293 #include <unistd.h>
5294 int main(void) {
5295 copy_file_range(0, NULL, 0, NULL, 0, 0);
5296 return 0;
5299 if compile_prog "" "" ; then
5300 have_copy_file_range=yes
5303 ##########################################
5304 # check if struct fsxattr is available via linux/fs.h
5306 have_fsxattr=no
5307 cat > $TMPC << EOF
5308 #include <linux/fs.h>
5309 struct fsxattr foo;
5310 int main(void) {
5311 return 0;
5314 if compile_prog "" "" ; then
5315 have_fsxattr=yes
5318 ##########################################
5319 # check for usable membarrier system call
5320 if test "$membarrier" = "yes"; then
5321 have_membarrier=no
5322 if test "$mingw32" = "yes" ; then
5323 have_membarrier=yes
5324 elif test "$linux" = "yes" ; then
5325 cat > $TMPC << EOF
5326 #include <linux/membarrier.h>
5327 #include <sys/syscall.h>
5328 #include <unistd.h>
5329 #include <stdlib.h>
5330 int main(void) {
5331 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5332 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5333 exit(0);
5336 if compile_prog "" "" ; then
5337 have_membarrier=yes
5340 if test "$have_membarrier" = "no"; then
5341 feature_not_found "membarrier" "membarrier system call not available"
5343 else
5344 # Do not enable it by default even for Mingw32, because it doesn't
5345 # work on Wine.
5346 membarrier=no
5349 ##########################################
5350 # check if rtnetlink.h exists and is useful
5351 have_rtnetlink=no
5352 cat > $TMPC << EOF
5353 #include <linux/rtnetlink.h>
5354 int main(void) {
5355 return IFLA_PROTO_DOWN;
5358 if compile_prog "" "" ; then
5359 have_rtnetlink=yes
5362 ##########################################
5363 # check for usable AF_VSOCK environment
5364 have_af_vsock=no
5365 cat > $TMPC << EOF
5366 #include <errno.h>
5367 #include <sys/types.h>
5368 #include <sys/socket.h>
5369 #if !defined(AF_VSOCK)
5370 # error missing AF_VSOCK flag
5371 #endif
5372 #include <linux/vm_sockets.h>
5373 int main(void) {
5374 int sock, ret;
5375 struct sockaddr_vm svm;
5376 socklen_t len = sizeof(svm);
5377 sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5378 ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5379 if ((ret == -1) && (errno == ENOTCONN)) {
5380 return 0;
5382 return -1;
5385 if compile_prog "" "" ; then
5386 have_af_vsock=yes
5389 ##########################################
5390 # check for usable AF_ALG environment
5391 have_afalg=no
5392 cat > $TMPC << EOF
5393 #include <errno.h>
5394 #include <sys/types.h>
5395 #include <sys/socket.h>
5396 #include <linux/if_alg.h>
5397 int main(void) {
5398 int sock;
5399 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5400 return sock;
5403 if compile_prog "" "" ; then
5404 have_afalg=yes
5406 if test "$crypto_afalg" = "yes"
5407 then
5408 if test "$have_afalg" != "yes"
5409 then
5410 error_exit "AF_ALG requested but could not be detected"
5415 #################################################
5416 # check for sysmacros.h
5418 have_sysmacros=no
5419 cat > $TMPC << EOF
5420 #include <sys/sysmacros.h>
5421 int main(void) {
5422 return makedev(0, 0);
5425 if compile_prog "" "" ; then
5426 have_sysmacros=yes
5429 ##########################################
5430 # check for _Static_assert()
5432 have_static_assert=no
5433 cat > $TMPC << EOF
5434 _Static_assert(1, "success");
5435 int main(void) {
5436 return 0;
5439 if compile_prog "" "" ; then
5440 have_static_assert=yes
5443 ##########################################
5444 # check for utmpx.h, it is missing e.g. on OpenBSD
5446 have_utmpx=no
5447 cat > $TMPC << EOF
5448 #include <utmpx.h>
5449 struct utmpx user_info;
5450 int main(void) {
5451 return 0;
5454 if compile_prog "" "" ; then
5455 have_utmpx=yes
5458 ##########################################
5459 # check for getrandom()
5461 have_getrandom=no
5462 cat > $TMPC << EOF
5463 #include <sys/random.h>
5464 int main(void) {
5465 return getrandom(0, 0, GRND_NONBLOCK);
5468 if compile_prog "" "" ; then
5469 have_getrandom=yes
5472 ##########################################
5473 # checks for sanitizers
5475 have_asan=no
5476 have_ubsan=no
5477 have_asan_iface_h=no
5478 have_asan_iface_fiber=no
5480 if test "$sanitizers" = "yes" ; then
5481 write_c_skeleton
5482 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5483 have_asan=yes
5486 # we could use a simple skeleton for flags checks, but this also
5487 # detect the static linking issue of ubsan, see also:
5488 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5489 cat > $TMPC << EOF
5490 #include <stdlib.h>
5491 int main(void) {
5492 void *tmp = malloc(10);
5493 if (tmp != NULL) {
5494 return *(int *)(tmp + 2);
5496 return 1;
5499 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5500 have_ubsan=yes
5503 if check_include "sanitizer/asan_interface.h" ; then
5504 have_asan_iface_h=yes
5507 cat > $TMPC << EOF
5508 #include <sanitizer/asan_interface.h>
5509 int main(void) {
5510 __sanitizer_start_switch_fiber(0, 0, 0);
5511 return 0;
5514 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5515 have_asan_iface_fiber=yes
5519 ##########################################
5520 # checks for fuzzer
5521 if test "$fuzzing" = "yes" && test -z "${LIB_FUZZING_ENGINE+xxx}"; then
5522 write_c_fuzzer_skeleton
5523 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
5524 have_fuzzer=yes
5525 else
5526 error_exit "Your compiler doesn't support -fsanitize=fuzzer"
5527 exit 1
5531 # Thread sanitizer is, for now, much noisier than the other sanitizers;
5532 # keep it separate until that is not the case.
5533 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
5534 error_exit "TSAN is not supported with other sanitiziers."
5536 have_tsan=no
5537 have_tsan_iface_fiber=no
5538 if test "$tsan" = "yes" ; then
5539 write_c_skeleton
5540 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
5541 have_tsan=yes
5543 cat > $TMPC << EOF
5544 #include <sanitizer/tsan_interface.h>
5545 int main(void) {
5546 __tsan_create_fiber(0);
5547 return 0;
5550 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
5551 have_tsan_iface_fiber=yes
5555 ##########################################
5556 # check for libpmem
5558 if test "$libpmem" != "no"; then
5559 if $pkg_config --exists "libpmem"; then
5560 libpmem="yes"
5561 libpmem_libs=$($pkg_config --libs libpmem)
5562 libpmem_cflags=$($pkg_config --cflags libpmem)
5563 else
5564 if test "$libpmem" = "yes" ; then
5565 feature_not_found "libpmem" "Install nvml or pmdk"
5567 libpmem="no"
5571 ##########################################
5572 # check for libdaxctl
5574 if test "$libdaxctl" != "no"; then
5575 if $pkg_config --atleast-version=57 "libdaxctl"; then
5576 libdaxctl="yes"
5577 libdaxctl_libs=$($pkg_config --libs libdaxctl)
5578 libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
5579 else
5580 if test "$libdaxctl" = "yes" ; then
5581 feature_not_found "libdaxctl" "Install libdaxctl"
5583 libdaxctl="no"
5587 ##########################################
5588 # check for slirp
5590 case "$slirp" in
5591 auto | enabled | internal)
5592 # Simpler to always update submodule, even if not needed.
5593 if test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5594 git_submodules="${git_submodules} slirp"
5597 esac
5599 ##########################################
5600 # check for usable __NR_keyctl syscall
5602 if test "$linux" = "yes" ; then
5604 have_keyring=no
5605 cat > $TMPC << EOF
5606 #include <errno.h>
5607 #include <asm/unistd.h>
5608 #include <linux/keyctl.h>
5609 #include <unistd.h>
5610 int main(void) {
5611 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
5614 if compile_prog "" "" ; then
5615 have_keyring=yes
5618 if test "$secret_keyring" != "no"
5619 then
5620 if test "$have_keyring" = "yes"
5621 then
5622 secret_keyring=yes
5623 else
5624 if test "$secret_keyring" = "yes"
5625 then
5626 error_exit "syscall __NR_keyctl requested, \
5627 but not implemented on your system"
5628 else
5629 secret_keyring=no
5634 ##########################################
5635 # End of CC checks
5636 # After here, no more $cc or $ld runs
5638 write_c_skeleton
5640 if test "$gcov" = "yes" ; then
5642 elif test "$fortify_source" = "yes" ; then
5643 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
5644 debug=no
5647 case "$ARCH" in
5648 alpha)
5649 # Ensure there's only a single GP
5650 QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
5652 esac
5654 if test "$gprof" = "yes" ; then
5655 QEMU_CFLAGS="-p $QEMU_CFLAGS"
5656 QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
5659 if test "$have_asan" = "yes"; then
5660 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
5661 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
5662 if test "$have_asan_iface_h" = "no" ; then
5663 echo "ASAN build enabled, but ASAN header missing." \
5664 "Without code annotation, the report may be inferior."
5665 elif test "$have_asan_iface_fiber" = "no" ; then
5666 echo "ASAN build enabled, but ASAN header is too old." \
5667 "Without code annotation, the report may be inferior."
5670 if test "$have_tsan" = "yes" ; then
5671 if test "$have_tsan_iface_fiber" = "yes" ; then
5672 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
5673 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
5674 else
5675 error_exit "Cannot enable TSAN due to missing fiber annotation interface."
5677 elif test "$tsan" = "yes" ; then
5678 error_exit "Cannot enable TSAN due to missing sanitize thread interface."
5680 if test "$have_ubsan" = "yes"; then
5681 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
5682 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
5685 ##########################################
5686 # Do we have libnfs
5687 if test "$libnfs" != "no" ; then
5688 if $pkg_config --atleast-version=1.9.3 libnfs; then
5689 libnfs="yes"
5690 libnfs_libs=$($pkg_config --libs libnfs)
5691 else
5692 if test "$libnfs" = "yes" ; then
5693 feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5695 libnfs="no"
5699 ##########################################
5701 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
5702 if test "$solaris" = "no" && test "$tsan" = "no"; then
5703 if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5704 QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
5708 # Use ASLR, no-SEH and DEP if available
5709 if test "$mingw32" = "yes" ; then
5710 flags="--no-seh --nxcompat"
5712 # Disable ASLR for debug builds to allow debugging with gdb
5713 if test "$debug" = "no" ; then
5714 flags="--dynamicbase $flags"
5717 for flag in $flags; do
5718 if ld_has $flag ; then
5719 QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
5721 done
5724 # We can only support ivshmem if we have eventfd
5725 if [ "$eventfd" = "yes" ]; then
5726 ivshmem=yes
5729 if test "$softmmu" = yes ; then
5730 if test "$linux" = yes; then
5731 if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
5732 virtfs=yes
5733 else
5734 if test "$virtfs" = yes; then
5735 error_exit "VirtFS requires libcap-ng devel and libattr devel"
5737 virtfs=no
5739 else
5740 if test "$virtfs" = yes; then
5741 error_exit "VirtFS is supported only on Linux"
5743 virtfs=no
5747 # Probe for guest agent support/options
5749 if [ "$guest_agent" != "no" ]; then
5750 if [ "$softmmu" = no -a "$want_tools" = no ] ; then
5751 guest_agent=no
5752 elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5753 guest_agent=yes
5754 elif [ "$guest_agent" != yes ]; then
5755 guest_agent=no
5756 else
5757 error_exit "Guest agent is not supported on this platform"
5761 # Guest agent Window MSI package
5763 if test "$guest_agent" != yes; then
5764 if test "$guest_agent_msi" = yes; then
5765 error_exit "MSI guest agent package requires guest agent enabled"
5767 guest_agent_msi=no
5768 elif test "$mingw32" != "yes"; then
5769 if test "$guest_agent_msi" = "yes"; then
5770 error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5772 guest_agent_msi=no
5773 elif ! has wixl; then
5774 if test "$guest_agent_msi" = "yes"; then
5775 error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5777 guest_agent_msi=no
5778 else
5779 # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5780 # disabled explicitly
5781 if test "$guest_agent_msi" != "no"; then
5782 guest_agent_msi=yes
5786 if test "$guest_agent_msi" = "yes"; then
5787 if test "$guest_agent_with_vss" = "yes"; then
5788 QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5791 if test "$QEMU_GA_MANUFACTURER" = ""; then
5792 QEMU_GA_MANUFACTURER=QEMU
5795 if test "$QEMU_GA_DISTRO" = ""; then
5796 QEMU_GA_DISTRO=Linux
5799 if test "$QEMU_GA_VERSION" = ""; then
5800 QEMU_GA_VERSION=$(cat $source_path/VERSION)
5803 QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5805 case "$cpu" in
5806 x86_64)
5807 QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5809 i386)
5810 QEMU_GA_MSI_ARCH="-D Arch=32"
5813 error_exit "CPU $cpu not supported for building installation package"
5815 esac
5818 # Mac OS X ships with a broken assembler
5819 roms=
5820 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
5821 test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
5822 test "$softmmu" = yes ; then
5823 # Different host OS linkers have different ideas about the name of the ELF
5824 # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
5825 # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
5826 for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
5827 if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5828 ld_i386_emulation="$emu"
5829 roms="optionrom"
5830 break
5832 done
5835 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
5836 if test "$cpu" = "s390x" ; then
5837 write_c_skeleton
5838 if compile_prog "-march=z900" ""; then
5839 roms="$roms s390-ccw"
5840 # SLOF is required for building the s390-ccw firmware on s390x,
5841 # since it is using the libnet code from SLOF for network booting.
5842 if test -e "${source_path}/.git" ; then
5843 git_submodules="${git_submodules} roms/SLOF"
5848 # Check that the C++ compiler exists and works with the C compiler.
5849 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
5850 if has $cxx; then
5851 cat > $TMPC <<EOF
5852 int c_function(void);
5853 int main(void) { return c_function(); }
5856 compile_object
5858 cat > $TMPCXX <<EOF
5859 extern "C" {
5860 int c_function(void);
5862 int c_function(void) { return 42; }
5865 update_cxxflags
5867 if do_cxx $CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
5868 # C++ compiler $cxx works ok with C compiler $cc
5870 else
5871 echo "C++ compiler $cxx does not work with C compiler $cc"
5872 echo "Disabling C++ specific optional code"
5873 cxx=
5875 else
5876 echo "No C++ compiler available; disabling C++ specific optional code"
5877 cxx=
5880 if test $git_update = 'yes' ; then
5881 (cd "${source_path}" && GIT="$git" "./scripts/git-submodule.sh" update "$git_submodules")
5884 config_host_mak="config-host.mak"
5886 echo "# Automatically generated by configure - do not modify" > $config_host_mak
5887 echo >> $config_host_mak
5889 echo all: >> $config_host_mak
5890 echo "GIT=$git" >> $config_host_mak
5891 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
5892 echo "GIT_UPDATE=$git_update" >> $config_host_mak
5894 echo "ARCH=$ARCH" >> $config_host_mak
5896 if test "$default_devices" = "yes" ; then
5897 echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
5898 else
5899 echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
5901 if test "$debug_tcg" = "yes" ; then
5902 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
5904 if test "$strip_opt" = "yes" ; then
5905 echo "STRIP=${strip}" >> $config_host_mak
5907 if test "$bigendian" = "yes" ; then
5908 echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
5910 if test "$mingw32" = "yes" ; then
5911 echo "CONFIG_WIN32=y" >> $config_host_mak
5912 rc_version=$(cat $source_path/VERSION)
5913 version_major=${rc_version%%.*}
5914 rc_version=${rc_version#*.}
5915 version_minor=${rc_version%%.*}
5916 rc_version=${rc_version#*.}
5917 version_subminor=${rc_version%%.*}
5918 version_micro=0
5919 echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5920 echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5921 if test "$guest_agent_with_vss" = "yes" ; then
5922 echo "CONFIG_QGA_VSS=y" >> $config_host_mak
5923 echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
5924 echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
5926 if test "$guest_agent_ntddscsi" = "yes" ; then
5927 echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
5929 if test "$guest_agent_msi" = "yes"; then
5930 echo "CONFIG_QGA_MSI=y" >> $config_host_mak
5931 echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
5932 echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
5933 echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
5934 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
5935 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
5936 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
5938 else
5939 echo "CONFIG_POSIX=y" >> $config_host_mak
5942 if test "$linux" = "yes" ; then
5943 echo "CONFIG_LINUX=y" >> $config_host_mak
5946 if test "$darwin" = "yes" ; then
5947 echo "CONFIG_DARWIN=y" >> $config_host_mak
5950 if test "$solaris" = "yes" ; then
5951 echo "CONFIG_SOLARIS=y" >> $config_host_mak
5953 if test "$haiku" = "yes" ; then
5954 echo "CONFIG_HAIKU=y" >> $config_host_mak
5956 if test "$static" = "yes" ; then
5957 echo "CONFIG_STATIC=y" >> $config_host_mak
5959 if test "$profiler" = "yes" ; then
5960 echo "CONFIG_PROFILER=y" >> $config_host_mak
5962 if test "$want_tools" = "yes" ; then
5963 echo "CONFIG_TOOLS=y" >> $config_host_mak
5965 if test "$guest_agent" = "yes" ; then
5966 echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
5968 echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
5969 if test "$vde" = "yes" ; then
5970 echo "CONFIG_VDE=y" >> $config_host_mak
5971 echo "VDE_LIBS=$vde_libs" >> $config_host_mak
5973 if test "$netmap" = "yes" ; then
5974 echo "CONFIG_NETMAP=y" >> $config_host_mak
5976 if test "$l2tpv3" = "yes" ; then
5977 echo "CONFIG_L2TPV3=y" >> $config_host_mak
5979 if test "$gprof" = "yes" ; then
5980 echo "CONFIG_GPROF=y" >> $config_host_mak
5982 if test "$cap_ng" = "yes" ; then
5983 echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
5984 echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
5986 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
5987 for drv in $audio_drv_list; do
5988 def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
5989 echo "$def=y" >> $config_host_mak
5990 done
5991 if test "$alsa" = "yes" ; then
5992 echo "CONFIG_ALSA=y" >> $config_host_mak
5994 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
5995 echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak
5996 if test "$libpulse" = "yes" ; then
5997 echo "CONFIG_LIBPULSE=y" >> $config_host_mak
5999 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6000 echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak
6001 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6002 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6003 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6004 if test "$libjack" = "yes" ; then
6005 echo "CONFIG_LIBJACK=y" >> $config_host_mak
6007 echo "JACK_LIBS=$jack_libs" >> $config_host_mak
6008 if test "$audio_win_int" = "yes" ; then
6009 echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6011 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6012 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6013 if test "$xfs" = "yes" ; then
6014 echo "CONFIG_XFS=y" >> $config_host_mak
6016 qemu_version=$(head $source_path/VERSION)
6017 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6018 echo "SRC_PATH=$source_path" >> $config_host_mak
6019 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6020 if test "$modules" = "yes"; then
6021 # $shacmd can generate a hash started with digit, which the compiler doesn't
6022 # like as an symbol. So prefix it with an underscore
6023 echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6024 echo "CONFIG_MODULES=y" >> $config_host_mak
6026 if test "$module_upgrades" = "yes"; then
6027 echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
6029 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6030 echo "CONFIG_X11=y" >> $config_host_mak
6031 echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6032 echo "X11_LIBS=$x11_libs" >> $config_host_mak
6034 if test "$pipe2" = "yes" ; then
6035 echo "CONFIG_PIPE2=y" >> $config_host_mak
6037 if test "$accept4" = "yes" ; then
6038 echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6040 if test "$splice" = "yes" ; then
6041 echo "CONFIG_SPLICE=y" >> $config_host_mak
6043 if test "$eventfd" = "yes" ; then
6044 echo "CONFIG_EVENTFD=y" >> $config_host_mak
6046 if test "$memfd" = "yes" ; then
6047 echo "CONFIG_MEMFD=y" >> $config_host_mak
6049 if test "$have_usbfs" = "yes" ; then
6050 echo "CONFIG_USBFS=y" >> $config_host_mak
6052 if test "$fallocate" = "yes" ; then
6053 echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6055 if test "$fallocate_punch_hole" = "yes" ; then
6056 echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6058 if test "$fallocate_zero_range" = "yes" ; then
6059 echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6061 if test "$posix_fallocate" = "yes" ; then
6062 echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6064 if test "$sync_file_range" = "yes" ; then
6065 echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6067 if test "$fiemap" = "yes" ; then
6068 echo "CONFIG_FIEMAP=y" >> $config_host_mak
6070 if test "$dup3" = "yes" ; then
6071 echo "CONFIG_DUP3=y" >> $config_host_mak
6073 if test "$ppoll" = "yes" ; then
6074 echo "CONFIG_PPOLL=y" >> $config_host_mak
6076 if test "$prctl_pr_set_timerslack" = "yes" ; then
6077 echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6079 if test "$epoll" = "yes" ; then
6080 echo "CONFIG_EPOLL=y" >> $config_host_mak
6082 if test "$epoll_create1" = "yes" ; then
6083 echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6085 if test "$sendfile" = "yes" ; then
6086 echo "CONFIG_SENDFILE=y" >> $config_host_mak
6088 if test "$timerfd" = "yes" ; then
6089 echo "CONFIG_TIMERFD=y" >> $config_host_mak
6091 if test "$setns" = "yes" ; then
6092 echo "CONFIG_SETNS=y" >> $config_host_mak
6094 if test "$clock_adjtime" = "yes" ; then
6095 echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6097 if test "$syncfs" = "yes" ; then
6098 echo "CONFIG_SYNCFS=y" >> $config_host_mak
6100 if test "$kcov" = "yes" ; then
6101 echo "CONFIG_KCOV=y" >> $config_host_mak
6103 if test "$btrfs" = "yes" ; then
6104 echo "CONFIG_BTRFS=y" >> $config_host_mak
6106 if test "$inotify" = "yes" ; then
6107 echo "CONFIG_INOTIFY=y" >> $config_host_mak
6109 if test "$inotify1" = "yes" ; then
6110 echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6112 if test "$sem_timedwait" = "yes" ; then
6113 echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6115 if test "$strchrnul" = "yes" ; then
6116 echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6118 if test "$st_atim" = "yes" ; then
6119 echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
6121 if test "$byteswap_h" = "yes" ; then
6122 echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6124 if test "$bswap_h" = "yes" ; then
6125 echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6127 if test "$curl" = "yes" ; then
6128 echo "CONFIG_CURL=y" >> $config_host_mak
6129 echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6130 echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6132 if test "$brlapi" = "yes" ; then
6133 echo "CONFIG_BRLAPI=y" >> $config_host_mak
6134 echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6136 if test "$gtk" = "yes" ; then
6137 echo "CONFIG_GTK=y" >> $config_host_mak
6138 echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6139 echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6140 if test "$gtk_gl" = "yes" ; then
6141 echo "CONFIG_GTK_GL=y" >> $config_host_mak
6144 if test "$gio" = "yes" ; then
6145 echo "CONFIG_GIO=y" >> $config_host_mak
6146 echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6147 echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6148 echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
6150 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6151 if test "$gnutls" = "yes" ; then
6152 echo "CONFIG_GNUTLS=y" >> $config_host_mak
6153 echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
6154 echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
6156 if test "$gcrypt" = "yes" ; then
6157 echo "CONFIG_GCRYPT=y" >> $config_host_mak
6158 if test "$gcrypt_hmac" = "yes" ; then
6159 echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6161 echo "GCRYPT_CFLAGS=$gcrypt_cflags" >> $config_host_mak
6162 echo "GCRYPT_LIBS=$gcrypt_libs" >> $config_host_mak
6164 if test "$nettle" = "yes" ; then
6165 echo "CONFIG_NETTLE=y" >> $config_host_mak
6166 echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6167 echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
6168 echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
6170 if test "$qemu_private_xts" = "yes" ; then
6171 echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6173 if test "$tasn1" = "yes" ; then
6174 echo "CONFIG_TASN1=y" >> $config_host_mak
6176 if test "$auth_pam" = "yes" ; then
6177 echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6179 if test "$have_ifaddrs_h" = "yes" ; then
6180 echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6182 if test "$have_drm_h" = "yes" ; then
6183 echo "HAVE_DRM_H=y" >> $config_host_mak
6185 if test "$have_broken_size_max" = "yes" ; then
6186 echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6188 if test "$have_openpty" = "yes" ; then
6189 echo "HAVE_OPENPTY=y" >> $config_host_mak
6191 if test "$have_sys_signal_h" = "yes" ; then
6192 echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
6195 # Work around a system header bug with some kernel/XFS header
6196 # versions where they both try to define 'struct fsxattr':
6197 # xfs headers will not try to redefine structs from linux headers
6198 # if this macro is set.
6199 if test "$have_fsxattr" = "yes" ; then
6200 echo "HAVE_FSXATTR=y" >> $config_host_mak
6202 if test "$have_copy_file_range" = "yes" ; then
6203 echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6205 if test "$vte" = "yes" ; then
6206 echo "CONFIG_VTE=y" >> $config_host_mak
6207 echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6208 echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6210 if test "$virglrenderer" = "yes" ; then
6211 echo "CONFIG_VIRGL=y" >> $config_host_mak
6212 echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6213 echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6215 if test "$xen" = "enabled" ; then
6216 echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6217 echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6218 echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak
6219 echo "XEN_LIBS=$xen_libs" >> $config_host_mak
6221 if test "$linux_aio" = "yes" ; then
6222 echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6224 if test "$linux_io_uring" = "yes" ; then
6225 echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
6226 echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
6227 echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
6229 if test "$attr" = "yes" ; then
6230 echo "CONFIG_ATTR=y" >> $config_host_mak
6231 echo "LIBATTR_LIBS=$libattr_libs" >> $config_host_mak
6233 if test "$libattr" = "yes" ; then
6234 echo "CONFIG_LIBATTR=y" >> $config_host_mak
6236 if test "$virtfs" = "yes" ; then
6237 echo "CONFIG_VIRTFS=y" >> $config_host_mak
6239 if test "$vhost_scsi" = "yes" ; then
6240 echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6242 if test "$vhost_net" = "yes" ; then
6243 echo "CONFIG_VHOST_NET=y" >> $config_host_mak
6245 if test "$vhost_net_user" = "yes" ; then
6246 echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
6248 if test "$vhost_net_vdpa" = "yes" ; then
6249 echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
6251 if test "$vhost_crypto" = "yes" ; then
6252 echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6254 if test "$vhost_vsock" = "yes" ; then
6255 echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6256 if test "$vhost_user" = "yes" ; then
6257 echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
6260 if test "$vhost_kernel" = "yes" ; then
6261 echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
6263 if test "$vhost_user" = "yes" ; then
6264 echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6266 if test "$vhost_vdpa" = "yes" ; then
6267 echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
6269 if test "$vhost_user_fs" = "yes" ; then
6270 echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
6272 if test "$iovec" = "yes" ; then
6273 echo "CONFIG_IOVEC=y" >> $config_host_mak
6275 if test "$preadv" = "yes" ; then
6276 echo "CONFIG_PREADV=y" >> $config_host_mak
6278 if test "$membarrier" = "yes" ; then
6279 echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
6281 if test "$signalfd" = "yes" ; then
6282 echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6284 if test "$optreset" = "yes" ; then
6285 echo "HAVE_OPTRESET=y" >> $config_host_mak
6287 if test "$tcg" = "enabled"; then
6288 if test "$tcg_interpreter" = "yes" ; then
6289 echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6292 if test "$fdatasync" = "yes" ; then
6293 echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6295 if test "$madvise" = "yes" ; then
6296 echo "CONFIG_MADVISE=y" >> $config_host_mak
6298 if test "$posix_madvise" = "yes" ; then
6299 echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6301 if test "$posix_memalign" = "yes" ; then
6302 echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6304 if test "$spice" = "yes" ; then
6305 echo "CONFIG_SPICE=y" >> $config_host_mak
6306 echo "SPICE_CFLAGS=$spice_cflags" >> $config_host_mak
6307 echo "SPICE_LIBS=$spice_libs" >> $config_host_mak
6310 if test "$smartcard" = "yes" ; then
6311 echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6312 echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6313 echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6316 if test "$libusb" = "yes" ; then
6317 echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6318 echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6319 echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6322 if test "$usb_redir" = "yes" ; then
6323 echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6324 echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6325 echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6328 if test "$opengl" = "yes" ; then
6329 echo "CONFIG_OPENGL=y" >> $config_host_mak
6330 echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak
6331 echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6332 if test "$opengl_dmabuf" = "yes" ; then
6333 echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6337 if test "$gbm" = "yes" ; then
6338 echo "CONFIG_GBM=y" >> $config_host_mak
6339 echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
6340 echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
6344 if test "$avx2_opt" = "yes" ; then
6345 echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6348 if test "$avx512f_opt" = "yes" ; then
6349 echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
6352 if test "$lzo" = "yes" ; then
6353 echo "CONFIG_LZO=y" >> $config_host_mak
6354 echo "LZO_LIBS=$lzo_libs" >> $config_host_mak
6357 if test "$snappy" = "yes" ; then
6358 echo "CONFIG_SNAPPY=y" >> $config_host_mak
6359 echo "SNAPPY_LIBS=$snappy_libs" >> $config_host_mak
6362 if test "$bzip2" = "yes" ; then
6363 echo "CONFIG_BZIP2=y" >> $config_host_mak
6364 echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6367 if test "$lzfse" = "yes" ; then
6368 echo "CONFIG_LZFSE=y" >> $config_host_mak
6369 echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
6372 if test "$zstd" = "yes" ; then
6373 echo "CONFIG_ZSTD=y" >> $config_host_mak
6374 echo "ZSTD_CFLAGS=$zstd_cflags" >> $config_host_mak
6375 echo "ZSTD_LIBS=$zstd_libs" >> $config_host_mak
6378 if test "$libiscsi" = "yes" ; then
6379 echo "CONFIG_LIBISCSI=y" >> $config_host_mak
6380 echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6381 echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6384 if test "$libnfs" = "yes" ; then
6385 echo "CONFIG_LIBNFS=y" >> $config_host_mak
6386 echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6389 if test "$seccomp" = "yes"; then
6390 echo "CONFIG_SECCOMP=y" >> $config_host_mak
6391 echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6392 echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6395 # XXX: suppress that
6396 if [ "$bsd" = "yes" ] ; then
6397 echo "CONFIG_BSD=y" >> $config_host_mak
6400 if test "$qom_cast_debug" = "yes" ; then
6401 echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6403 if test "$rbd" = "yes" ; then
6404 echo "CONFIG_RBD=y" >> $config_host_mak
6405 echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6408 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6409 if test "$coroutine_pool" = "yes" ; then
6410 echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6411 else
6412 echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6415 if test "$debug_stack_usage" = "yes" ; then
6416 echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6419 if test "$crypto_afalg" = "yes" ; then
6420 echo "CONFIG_AF_ALG=y" >> $config_host_mak
6423 if test "$open_by_handle_at" = "yes" ; then
6424 echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6427 if test "$linux_magic_h" = "yes" ; then
6428 echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6431 if test "$valgrind_h" = "yes" ; then
6432 echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6435 if test "$have_asan_iface_fiber" = "yes" ; then
6436 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6439 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
6440 echo "CONFIG_TSAN=y" >> $config_host_mak
6443 if test "$has_environ" = "yes" ; then
6444 echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6447 if test "$cpuid_h" = "yes" ; then
6448 echo "CONFIG_CPUID_H=y" >> $config_host_mak
6451 if test "$int128" = "yes" ; then
6452 echo "CONFIG_INT128=y" >> $config_host_mak
6455 if test "$atomic128" = "yes" ; then
6456 echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6459 if test "$cmpxchg128" = "yes" ; then
6460 echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
6463 if test "$atomic64" = "yes" ; then
6464 echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6467 if test "$attralias" = "yes" ; then
6468 echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
6471 if test "$getauxval" = "yes" ; then
6472 echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6475 if test "$glusterfs" = "yes" ; then
6476 echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
6477 echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6478 echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6481 if test "$glusterfs_xlator_opt" = "yes" ; then
6482 echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6485 if test "$glusterfs_discard" = "yes" ; then
6486 echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6489 if test "$glusterfs_fallocate" = "yes" ; then
6490 echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6493 if test "$glusterfs_zerofill" = "yes" ; then
6494 echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6497 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
6498 echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
6501 if test "$glusterfs_iocb_has_stat" = "yes" ; then
6502 echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
6505 if test "$libssh" = "yes" ; then
6506 echo "CONFIG_LIBSSH=y" >> $config_host_mak
6507 echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
6508 echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
6511 if test "$live_block_migration" = "yes" ; then
6512 echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6515 if test "$tpm" = "yes"; then
6516 echo 'CONFIG_TPM=y' >> $config_host_mak
6519 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6520 if have_backend "nop"; then
6521 echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6523 if have_backend "simple"; then
6524 echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6525 # Set the appropriate trace file.
6526 trace_file="\"$trace_file-\" FMT_pid"
6528 if have_backend "log"; then
6529 echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6531 if have_backend "ust"; then
6532 echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6533 echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
6534 echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
6536 if have_backend "dtrace"; then
6537 echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6538 if test "$trace_backend_stap" = "yes" ; then
6539 echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6542 if have_backend "ftrace"; then
6543 if test "$linux" = "yes" ; then
6544 echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6545 else
6546 feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6549 if have_backend "syslog"; then
6550 if test "$posix_syslog" = "yes" ; then
6551 echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6552 else
6553 feature_not_found "syslog(trace backend)" "syslog not available"
6556 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6558 if test "$rdma" = "yes" ; then
6559 echo "CONFIG_RDMA=y" >> $config_host_mak
6560 echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6563 if test "$pvrdma" = "yes" ; then
6564 echo "CONFIG_PVRDMA=y" >> $config_host_mak
6567 if test "$have_rtnetlink" = "yes" ; then
6568 echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6571 if test "$libxml2" = "yes" ; then
6572 echo "CONFIG_LIBXML2=y" >> $config_host_mak
6573 echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
6574 echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
6577 if test "$replication" = "yes" ; then
6578 echo "CONFIG_REPLICATION=y" >> $config_host_mak
6581 if test "$have_af_vsock" = "yes" ; then
6582 echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6585 if test "$have_sysmacros" = "yes" ; then
6586 echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6589 if test "$have_static_assert" = "yes" ; then
6590 echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6593 if test "$have_utmpx" = "yes" ; then
6594 echo "HAVE_UTMPX=y" >> $config_host_mak
6596 if test "$have_getrandom" = "yes" ; then
6597 echo "CONFIG_GETRANDOM=y" >> $config_host_mak
6599 if test "$ivshmem" = "yes" ; then
6600 echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6602 if test "$debug_mutex" = "yes" ; then
6603 echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
6606 # Hold two types of flag:
6607 # CONFIG_THREAD_SETNAME_BYTHREAD - we've got a way of setting the name on
6608 # a thread we have a handle to
6609 # CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
6610 # platform
6611 if test "$pthread_setname_np_w_tid" = "yes" ; then
6612 echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6613 echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
6614 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
6615 echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6616 echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
6619 if test "$libpmem" = "yes" ; then
6620 echo "CONFIG_LIBPMEM=y" >> $config_host_mak
6621 echo "LIBPMEM_LIBS=$libpmem_libs" >> $config_host_mak
6622 echo "LIBPMEM_CFLAGS=$libpmem_cflags" >> $config_host_mak
6625 if test "$libdaxctl" = "yes" ; then
6626 echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
6627 echo "LIBDAXCTL_LIBS=$libdaxctl_libs" >> $config_host_mak
6630 if test "$bochs" = "yes" ; then
6631 echo "CONFIG_BOCHS=y" >> $config_host_mak
6633 if test "$cloop" = "yes" ; then
6634 echo "CONFIG_CLOOP=y" >> $config_host_mak
6636 if test "$dmg" = "yes" ; then
6637 echo "CONFIG_DMG=y" >> $config_host_mak
6639 if test "$qcow1" = "yes" ; then
6640 echo "CONFIG_QCOW1=y" >> $config_host_mak
6642 if test "$vdi" = "yes" ; then
6643 echo "CONFIG_VDI=y" >> $config_host_mak
6645 if test "$vvfat" = "yes" ; then
6646 echo "CONFIG_VVFAT=y" >> $config_host_mak
6648 if test "$qed" = "yes" ; then
6649 echo "CONFIG_QED=y" >> $config_host_mak
6651 if test "$parallels" = "yes" ; then
6652 echo "CONFIG_PARALLELS=y" >> $config_host_mak
6654 if test "$sheepdog" = "yes" ; then
6655 add_to deprecated_features "sheepdog"
6656 echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
6658 if test "$pty_h" = "yes" ; then
6659 echo "HAVE_PTY_H=y" >> $config_host_mak
6661 if test "$have_mlockall" = "yes" ; then
6662 echo "HAVE_MLOCKALL=y" >> $config_host_mak
6664 if test "$fuzzing" = "yes" ; then
6665 # If LIB_FUZZING_ENGINE is set, assume we are running on OSS-Fuzz, and the
6666 # needed CFLAGS have already been provided
6667 if test -z "${LIB_FUZZING_ENGINE+xxx}" ; then
6668 QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
6669 FUZZ_EXE_LDFLAGS="-fsanitize=fuzzer"
6670 else
6671 FUZZ_EXE_LDFLAGS="$LIB_FUZZING_ENGINE"
6675 if test "$plugins" = "yes" ; then
6676 echo "CONFIG_PLUGIN=y" >> $config_host_mak
6677 # Copy the export object list to the build dir
6678 if test "$ld_dynamic_list" = "yes" ; then
6679 echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
6680 ld_symbols=qemu-plugins-ld.symbols
6681 cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
6682 elif test "$ld_exported_symbols_list" = "yes" ; then
6683 echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
6684 ld64_symbols=qemu-plugins-ld64.symbols
6685 echo "# Automatically generated by configure - do not modify" > $ld64_symbols
6686 grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
6687 sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
6688 else
6689 error_exit \
6690 "If \$plugins=yes, either \$ld_dynamic_list or " \
6691 "\$ld_exported_symbols_list should have been set to 'yes'."
6695 if test -n "$gdb_bin" ; then
6696 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
6699 if test "$secret_keyring" = "yes" ; then
6700 echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
6703 echo "ROMS=$roms" >> $config_host_mak
6704 echo "MAKE=$make" >> $config_host_mak
6705 echo "PYTHON=$python" >> $config_host_mak
6706 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
6707 echo "MESON=$meson" >> $config_host_mak
6708 echo "NINJA=$ninja" >> $config_host_mak
6709 echo "CC=$cc" >> $config_host_mak
6710 if $iasl -h > /dev/null 2>&1; then
6711 echo "CONFIG_IASL=$iasl" >> $config_host_mak
6713 echo "CXX=$cxx" >> $config_host_mak
6714 echo "OBJCC=$objcc" >> $config_host_mak
6715 echo "AR=$ar" >> $config_host_mak
6716 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
6717 echo "AS=$as" >> $config_host_mak
6718 echo "CCAS=$ccas" >> $config_host_mak
6719 echo "CPP=$cpp" >> $config_host_mak
6720 echo "OBJCOPY=$objcopy" >> $config_host_mak
6721 echo "LD=$ld" >> $config_host_mak
6722 echo "RANLIB=$ranlib" >> $config_host_mak
6723 echo "NM=$nm" >> $config_host_mak
6724 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
6725 echo "WINDRES=$windres" >> $config_host_mak
6726 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
6727 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
6728 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
6729 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
6730 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
6731 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
6732 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
6733 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
6734 echo "EXESUF=$EXESUF" >> $config_host_mak
6735 echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak
6736 echo "LIBS_QGA=$libs_qga" >> $config_host_mak
6737 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
6738 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
6739 if test "$gcov" = "yes" ; then
6740 echo "CONFIG_GCOV=y" >> $config_host_mak
6743 if test "$fuzzing" != "no"; then
6744 echo "CONFIG_FUZZ=y" >> $config_host_mak
6746 echo "FUZZ_EXE_LDFLAGS=$FUZZ_EXE_LDFLAGS" >> $config_host_mak
6748 if test "$rng_none" = "yes"; then
6749 echo "CONFIG_RNG_NONE=y" >> $config_host_mak
6752 # use included Linux headers
6753 if test "$linux" = "yes" ; then
6754 mkdir -p linux-headers
6755 case "$cpu" in
6756 i386|x86_64|x32)
6757 linux_arch=x86
6759 ppc|ppc64|ppc64le)
6760 linux_arch=powerpc
6762 s390x)
6763 linux_arch=s390
6765 aarch64)
6766 linux_arch=arm64
6768 mips64)
6769 linux_arch=mips
6772 # For most CPUs the kernel architecture name and QEMU CPU name match.
6773 linux_arch="$cpu"
6775 esac
6776 # For non-KVM architectures we will not have asm headers
6777 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
6778 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
6782 for target in $target_list; do
6783 target_dir="$target"
6784 target_name=$(echo $target | cut -d '-' -f 1)
6785 mkdir -p $target_dir
6786 case $target in
6787 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
6788 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
6789 esac
6790 done
6792 echo "CONFIG_QEMU_INTERP_PREFIX=$interp_prefix" | sed 's/%M/@0@/' >> $config_host_mak
6793 if test "$default_targets" = "yes"; then
6794 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
6797 if test "$numa" = "yes"; then
6798 echo "CONFIG_NUMA=y" >> $config_host_mak
6799 echo "NUMA_LIBS=$numa_libs" >> $config_host_mak
6802 if test "$ccache_cpp2" = "yes"; then
6803 echo "export CCACHE_CPP2=y" >> $config_host_mak
6806 if test "$safe_stack" = "yes"; then
6807 echo "CONFIG_SAFESTACK=y" >> $config_host_mak
6810 # If we're using a separate build tree, set it up now.
6811 # DIRS are directories which we simply mkdir in the build tree;
6812 # LINKS are things to symlink back into the source tree
6813 # (these can be both files and directories).
6814 # Caution: do not add files or directories here using wildcards. This
6815 # will result in problems later if a new file matching the wildcard is
6816 # added to the source tree -- nothing will cause configure to be rerun
6817 # so the build tree will be missing the link back to the new file, and
6818 # tests might fail. Prefer to keep the relevant files in their own
6819 # directory and symlink the directory instead.
6820 # UNLINK is used to remove symlinks from older development versions
6821 # that might get into the way when doing "git update" without doing
6822 # a "make distclean" in between.
6823 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
6824 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
6825 DIRS="$DIRS docs docs/interop fsdev scsi"
6826 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
6827 DIRS="$DIRS roms/seabios"
6828 DIRS="$DIRS contrib/plugins/"
6829 LINKS="Makefile"
6830 LINKS="$LINKS tests/tcg/lm32/Makefile"
6831 LINKS="$LINKS tests/tcg/Makefile.target"
6832 LINKS="$LINKS pc-bios/optionrom/Makefile"
6833 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
6834 LINKS="$LINKS roms/seabios/Makefile"
6835 LINKS="$LINKS pc-bios/qemu-icon.bmp"
6836 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
6837 LINKS="$LINKS tests/acceptance tests/data"
6838 LINKS="$LINKS tests/qemu-iotests/check"
6839 LINKS="$LINKS python"
6840 LINKS="$LINKS contrib/plugins/Makefile "
6841 UNLINK="pc-bios/keymaps"
6842 for bios_file in \
6843 $source_path/pc-bios/*.bin \
6844 $source_path/pc-bios/*.elf \
6845 $source_path/pc-bios/*.lid \
6846 $source_path/pc-bios/*.rom \
6847 $source_path/pc-bios/*.dtb \
6848 $source_path/pc-bios/*.img \
6849 $source_path/pc-bios/openbios-* \
6850 $source_path/pc-bios/u-boot.* \
6851 $source_path/pc-bios/edk2-*.fd.bz2 \
6852 $source_path/pc-bios/palcode-*
6854 LINKS="$LINKS pc-bios/$(basename $bios_file)"
6855 done
6856 mkdir -p $DIRS
6857 for f in $LINKS ; do
6858 if [ -e "$source_path/$f" ]; then
6859 symlink "$source_path/$f" "$f"
6861 done
6862 for f in $UNLINK ; do
6863 if [ -L "$f" ]; then
6864 rm -f "$f"
6866 done
6868 (for i in $cross_cc_vars; do
6869 export $i
6870 done
6871 export target_list source_path use_containers
6872 $source_path/tests/tcg/configure.sh)
6874 # temporary config to build submodules
6875 for rom in seabios; do
6876 config_mak=roms/$rom/config.mak
6877 echo "# Automatically generated by configure - do not modify" > $config_mak
6878 echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
6879 echo "AS=$as" >> $config_mak
6880 echo "CCAS=$ccas" >> $config_mak
6881 echo "CC=$cc" >> $config_mak
6882 echo "BCC=bcc" >> $config_mak
6883 echo "CPP=$cpp" >> $config_mak
6884 echo "OBJCOPY=objcopy" >> $config_mak
6885 echo "IASL=$iasl" >> $config_mak
6886 echo "LD=$ld" >> $config_mak
6887 echo "RANLIB=$ranlib" >> $config_mak
6888 done
6890 # set up qemu-iotests in this build directory
6891 iotests_common_env="tests/qemu-iotests/common.env"
6893 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
6894 echo >> "$iotests_common_env"
6895 echo "export PYTHON='$python'" >> "$iotests_common_env"
6897 if test "$skip_meson" = no; then
6898 cross="config-meson.cross.new"
6899 meson_quote() {
6900 echo "'$(echo $* | sed "s/ /','/g")'"
6903 echo "# Automatically generated by configure - do not modify" > $cross
6904 echo "[properties]" >> $cross
6905 test -z "$cxx" && echo "link_language = 'c'" >> $cross
6906 echo "[built-in options]" >> $cross
6907 echo "c_args = [${CFLAGS:+$(meson_quote $CFLAGS)}]" >> $cross
6908 echo "cpp_args = [${CXXFLAGS:+$(meson_quote $CXXFLAGS)}]" >> $cross
6909 echo "c_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross
6910 echo "cpp_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross
6911 echo "[binaries]" >> $cross
6912 echo "c = [$(meson_quote $cc)]" >> $cross
6913 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx)]" >> $cross
6914 echo "ar = [$(meson_quote $ar)]" >> $cross
6915 echo "nm = [$(meson_quote $nm)]" >> $cross
6916 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross
6917 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
6918 if has $sdl2_config; then
6919 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
6921 echo "strip = [$(meson_quote $strip)]" >> $cross
6922 echo "windres = [$(meson_quote $windres)]" >> $cross
6923 if test -n "$cross_prefix"; then
6924 cross_arg="--cross-file config-meson.cross"
6925 echo "[host_machine]" >> $cross
6926 if test "$mingw32" = "yes" ; then
6927 echo "system = 'windows'" >> $cross
6929 if test "$linux" = "yes" ; then
6930 echo "system = 'linux'" >> $cross
6932 case "$ARCH" in
6933 i386|x86_64)
6934 echo "cpu_family = 'x86'" >> $cross
6936 ppc64le)
6937 echo "cpu_family = 'ppc64'" >> $cross
6940 echo "cpu_family = '$ARCH'" >> $cross
6942 esac
6943 echo "cpu = '$cpu'" >> $cross
6944 if test "$bigendian" = "yes" ; then
6945 echo "endian = 'big'" >> $cross
6946 else
6947 echo "endian = 'little'" >> $cross
6949 else
6950 cross_arg="--native-file config-meson.cross"
6952 mv $cross config-meson.cross
6954 rm -rf meson-private meson-info meson-logs
6955 NINJA=$ninja $meson setup \
6956 --prefix "$prefix" \
6957 --libdir "$libdir" \
6958 --libexecdir "$libexecdir" \
6959 --bindir "$bindir" \
6960 --includedir "$includedir" \
6961 --datadir "$datadir" \
6962 --mandir "$mandir" \
6963 --sysconfdir "$sysconfdir" \
6964 --localedir "$localedir" \
6965 --localstatedir "$local_statedir" \
6966 -Ddocdir="$docdir" \
6967 -Dqemu_firmwarepath="$firmwarepath" \
6968 -Dqemu_suffix="$qemu_suffix" \
6969 -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
6970 -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
6971 -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
6972 -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
6973 -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
6974 -Db_staticpic=$(if test "$pie" = yes; then echo true; else echo false; fi) \
6975 -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
6976 -Dmalloc=$malloc -Dmalloc_trim=$malloc_trim -Dsparse=$sparse \
6977 -Dkvm=$kvm -Dhax=$hax -Dwhpx=$whpx -Dhvf=$hvf \
6978 -Dxen=$xen -Dxen_pci_passthrough=$xen_pci_passthrough -Dtcg=$tcg \
6979 -Dcocoa=$cocoa -Dmpath=$mpath -Dsdl=$sdl -Dsdl_image=$sdl_image \
6980 -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \
6981 -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f -Dvirtiofsd=$virtiofsd \
6982 -Dcapstone=$capstone -Dslirp=$slirp -Dfdt=$fdt \
6983 -Diconv=$iconv -Dcurses=$curses -Dlibudev=$libudev\
6984 -Ddocs=$docs -Dsphinx_build=$sphinx_build -Dinstall_blobs=$blobs \
6985 $cross_arg \
6986 "$PWD" "$source_path"
6988 if test "$?" -ne 0 ; then
6989 error_exit "meson setup failed"
6993 if test -n "${deprecated_features}"; then
6994 echo "Warning, deprecated features enabled."
6995 echo "Please see docs/system/deprecated.rst"
6996 echo " features: ${deprecated_features}"
6999 # Save the configure command line for later reuse.
7000 cat <<EOD >config.status
7001 #!/bin/sh
7002 # Generated by configure.
7003 # Run this file to recreate the current configuration.
7004 # Compiler output produced by configure, useful for debugging
7005 # configure, is in config.log if it exists.
7008 preserve_env() {
7009 envname=$1
7011 eval envval=\$$envname
7013 if test -n "$envval"
7014 then
7015 echo "$envname='$envval'" >> config.status
7016 echo "export $envname" >> config.status
7017 else
7018 echo "unset $envname" >> config.status
7022 # Preserve various env variables that influence what
7023 # features/build target configure will detect
7024 preserve_env AR
7025 preserve_env AS
7026 preserve_env CC
7027 preserve_env CPP
7028 preserve_env CXX
7029 preserve_env INSTALL
7030 preserve_env LD
7031 preserve_env LD_LIBRARY_PATH
7032 preserve_env LIBTOOL
7033 preserve_env MAKE
7034 preserve_env NM
7035 preserve_env OBJCOPY
7036 preserve_env PATH
7037 preserve_env PKG_CONFIG
7038 preserve_env PKG_CONFIG_LIBDIR
7039 preserve_env PKG_CONFIG_PATH
7040 preserve_env PYTHON
7041 preserve_env SDL2_CONFIG
7042 preserve_env SMBD
7043 preserve_env STRIP
7044 preserve_env WINDRES
7046 printf "exec" >>config.status
7047 for i in "$0" "$@"; do
7048 test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
7049 done
7050 echo ' "$@"' >>config.status
7051 chmod +x config.status
7053 rm -r "$TMPDIR1"