target/mips: Move MUL opcode check from decode_mxu() to decode_legacy()
[qemu/ar7.git] / configure
blobf7d022a5db07a5d720669827b8477d9d4331f99f
1 #!/bin/sh
3 # qemu configure script (c) 2003 Fabrice Bellard
6 # Unset some variables known to interfere with behavior of common tools,
7 # just as autoconf does.
8 CLICOLOR_FORCE= GREP_OPTIONS=
9 unset CLICOLOR_FORCE GREP_OPTIONS
11 # Don't allow CCACHE, if present, to use cached results of compile tests!
12 export CCACHE_RECACHE=yes
14 # make source path absolute
15 source_path=$(cd "$(dirname -- "$0")"; pwd)
17 if test "$PWD" = "$source_path"
18 then
19 echo "Using './build' as the directory for build output"
21 MARKER=build/auto-created-by-configure
23 if test -e build
24 then
25 if test -f $MARKER
26 then
27 rm -rf build
28 else
29 echo "ERROR: ./build dir already exists and was not previously created by configure"
30 exit 1
34 mkdir build
35 touch $MARKER
37 cat > GNUmakefile <<'EOF'
38 # This file is auto-generated by configure to support in-source tree
39 # 'make' command invocation
41 ifeq ($(MAKECMDGOALS),)
42 recurse: all
43 endif
45 .NOTPARALLEL: %
46 %: force
47 @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
48 @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
49 @if test "$(MAKECMDGOALS)" = "distclean" && \
50 test -e build/auto-created-by-configure ; \
51 then \
52 rm -rf build GNUmakefile ; \
54 force: ;
55 .PHONY: force
56 GNUmakefile: ;
58 EOF
59 cd build
60 exec $source_path/configure "$@"
63 # Temporary directory used for files created while
64 # configure runs. Since it is in the build directory
65 # we can safely blow away any previous version of it
66 # (and we need not jump through hoops to try to delete
67 # it when configure exits.)
68 TMPDIR1="config-temp"
69 rm -rf "${TMPDIR1}"
70 mkdir -p "${TMPDIR1}"
71 if [ $? -ne 0 ]; then
72 echo "ERROR: failed to create temporary directory"
73 exit 1
76 TMPB="qemu-conf"
77 TMPC="${TMPDIR1}/${TMPB}.c"
78 TMPO="${TMPDIR1}/${TMPB}.o"
79 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
80 TMPE="${TMPDIR1}/${TMPB}.exe"
81 TMPTXT="${TMPDIR1}/${TMPB}.txt"
83 rm -f config.log
85 # Print a helpful header at the top of config.log
86 echo "# QEMU configure log $(date)" >> config.log
87 printf "# Configured with:" >> config.log
88 printf " '%s'" "$0" "$@" >> config.log
89 echo >> config.log
90 echo "#" >> config.log
92 quote_sh() {
93 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
96 print_error() {
97 (echo
98 echo "ERROR: $1"
99 while test -n "$2"; do
100 echo " $2"
101 shift
102 done
103 echo) >&2
106 error_exit() {
107 print_error "$@"
108 exit 1
111 do_compiler() {
112 # Run the compiler, capturing its output to the log. First argument
113 # is compiler binary to execute.
114 local compiler="$1"
115 shift
116 if test -n "$BASH_VERSION"; then eval '
117 echo >>config.log "
118 funcs: ${FUNCNAME[*]}
119 lines: ${BASH_LINENO[*]}"
120 '; fi
121 echo $compiler "$@" >> config.log
122 $compiler "$@" >> config.log 2>&1 || return $?
123 # Test passed. If this is an --enable-werror build, rerun
124 # the test with -Werror and bail out if it fails. This
125 # makes warning-generating-errors in configure test code
126 # obvious to developers.
127 if test "$werror" != "yes"; then
128 return 0
130 # Don't bother rerunning the compile if we were already using -Werror
131 case "$*" in
132 *-Werror*)
133 return 0
135 esac
136 echo $compiler -Werror "$@" >> config.log
137 $compiler -Werror "$@" >> config.log 2>&1 && return $?
138 error_exit "configure test passed without -Werror but failed with -Werror." \
139 "This is probably a bug in the configure script. The failing command" \
140 "will be at the bottom of config.log." \
141 "You can run configure with --disable-werror to bypass this check."
144 do_cc() {
145 do_compiler "$cc" "$@"
148 do_cxx() {
149 do_compiler "$cxx" "$@"
152 # Append $2 to the variable named $1, with space separation
153 add_to() {
154 eval $1=\${$1:+\"\$$1 \"}\$2
157 update_cxxflags() {
158 # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
159 # options which some versions of GCC's C++ compiler complain about
160 # because they only make sense for C programs.
161 QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
162 CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu99/-std=gnu++11/)
163 for arg in $QEMU_CFLAGS; do
164 case $arg in
165 -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
166 -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
169 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
171 esac
172 done
175 compile_object() {
176 local_cflags="$1"
177 do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
180 compile_prog() {
181 local_cflags="$1"
182 local_ldflags="$2"
183 do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \
184 $LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags
187 # symbolically link $1 to $2. Portable version of "ln -sf".
188 symlink() {
189 rm -rf "$2"
190 mkdir -p "$(dirname "$2")"
191 ln -s "$1" "$2"
194 # check whether a command is available to this shell (may be either an
195 # executable or a builtin)
196 has() {
197 type "$1" >/dev/null 2>&1
200 version_ge () {
201 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
202 local_ver2=$(echo "$2" | tr . ' ')
203 while true; do
204 set x $local_ver1
205 local_first=${2-0}
206 # 'shift 2' if $2 is set, or 'shift' if $2 is not set
207 shift ${2:+2}
208 local_ver1=$*
209 set x $local_ver2
210 # the second argument finished, the first must be greater or equal
211 test $# = 1 && return 0
212 test $local_first -lt $2 && return 1
213 test $local_first -gt $2 && return 0
214 shift ${2:+2}
215 local_ver2=$*
216 done
219 have_backend () {
220 echo "$trace_backends" | grep "$1" >/dev/null
223 glob() {
224 eval test -z '"${1#'"$2"'}"'
227 ld_has() {
228 $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
231 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
232 then
233 error_exit "main directory cannot contain spaces nor colons"
236 # default parameters
237 cpu=""
238 iasl="iasl"
239 interp_prefix="/usr/gnemul/qemu-%M"
240 static="no"
241 cross_compile="no"
242 cross_prefix=""
243 audio_drv_list=""
244 block_drv_rw_whitelist=""
245 block_drv_ro_whitelist=""
246 host_cc="cc"
247 audio_win_int=""
248 libs_qga=""
249 debug_info="yes"
250 lto="false"
251 stack_protector=""
252 safe_stack=""
253 use_containers="yes"
254 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
256 if test -e "$source_path/.git"
257 then
258 git_submodules_action="update"
259 git_submodules="ui/keycodemapdb"
260 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
261 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
262 else
263 git_submodules_action="ignore"
264 git_submodules=""
266 if ! test -f "$source_path/ui/keycodemapdb/README"
267 then
268 echo
269 echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
270 echo
271 echo "This is not a GIT checkout but module content appears to"
272 echo "be missing. Do not use 'git archive' or GitHub download links"
273 echo "to acquire QEMU source archives. Non-GIT builds are only"
274 echo "supported with source archives linked from:"
275 echo
276 echo " https://www.qemu.org/download/#source"
277 echo
278 echo "Developers working with GIT can use scripts/archive-source.sh"
279 echo "if they need to create valid source archives."
280 echo
281 exit 1
284 git="git"
286 # Don't accept a target_list environment variable.
287 unset target_list
288 unset target_list_exclude
290 # Default value for a variable defining feature "foo".
291 # * foo="no" feature will only be used if --enable-foo arg is given
292 # * foo="" feature will be searched for, and if found, will be used
293 # unless --disable-foo is given
294 # * foo="yes" this value will only be set by --enable-foo flag.
295 # feature will searched for,
296 # if not found, configure exits with error
298 # Always add --enable-foo and --disable-foo command line args.
299 # Distributions want to ensure that several features are compiled in, and it
300 # is impossible without a --enable-foo that exits if a feature is not found.
302 default_feature=""
303 # parse CC options second
304 for opt do
305 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
306 case "$opt" in
307 --without-default-features)
308 default_feature="no"
310 esac
311 done
313 brlapi="auto"
314 curl="auto"
315 iconv="auto"
316 curses="auto"
317 docs="auto"
318 fdt="auto"
319 netmap="no"
320 sdl="auto"
321 sdl_image="auto"
322 coreaudio="auto"
323 virtiofsd="auto"
324 virtfs="auto"
325 libudev="auto"
326 mpath="auto"
327 vnc="enabled"
328 sparse="auto"
329 vde="$default_feature"
330 vnc_sasl="auto"
331 vnc_jpeg="auto"
332 vnc_png="auto"
333 xkbcommon="auto"
334 xen="$default_feature"
335 xen_ctrl_version="$default_feature"
336 xen_pci_passthrough="auto"
337 linux_aio="$default_feature"
338 linux_io_uring="$default_feature"
339 cap_ng="auto"
340 attr="auto"
341 xfs="$default_feature"
342 tcg="enabled"
343 membarrier="$default_feature"
344 vhost_net="$default_feature"
345 vhost_crypto="$default_feature"
346 vhost_scsi="$default_feature"
347 vhost_vsock="$default_feature"
348 vhost_user="no"
349 vhost_user_blk_server="auto"
350 vhost_user_fs="$default_feature"
351 kvm="auto"
352 hax="auto"
353 hvf="auto"
354 whpx="auto"
355 rdma="$default_feature"
356 pvrdma="$default_feature"
357 gprof="no"
358 debug_tcg="no"
359 debug="no"
360 sanitizers="no"
361 tsan="no"
362 fortify_source="$default_feature"
363 strip_opt="yes"
364 tcg_interpreter="false"
365 bigendian="no"
366 mingw32="no"
367 gcov="no"
368 EXESUF="$default_feature"
369 HOST_DSOSUF=".so"
370 modules="no"
371 module_upgrades="no"
372 prefix="/usr/local"
373 qemu_suffix="qemu"
374 slirp="auto"
375 oss_lib=""
376 bsd="no"
377 linux="no"
378 solaris="no"
379 profiler="no"
380 cocoa="auto"
381 softmmu="yes"
382 linux_user="no"
383 bsd_user="no"
384 blobs="true"
385 pkgversion=""
386 pie=""
387 qom_cast_debug="yes"
388 trace_backends="log"
389 trace_file="trace"
390 spice="$default_feature"
391 rbd="auto"
392 smartcard="$default_feature"
393 u2f="auto"
394 libusb="$default_feature"
395 usb_redir="$default_feature"
396 opengl="$default_feature"
397 cpuid_h="no"
398 avx2_opt="$default_feature"
399 capstone="auto"
400 lzo="auto"
401 snappy="auto"
402 bzip2="auto"
403 lzfse="auto"
404 zstd="auto"
405 guest_agent="$default_feature"
406 guest_agent_with_vss="no"
407 guest_agent_ntddscsi="no"
408 guest_agent_msi="auto"
409 vss_win32_sdk="$default_feature"
410 win_sdk="no"
411 want_tools="$default_feature"
412 libiscsi="auto"
413 libnfs="auto"
414 coroutine=""
415 coroutine_pool="$default_feature"
416 debug_stack_usage="no"
417 crypto_afalg="no"
418 cfi="false"
419 cfi_debug="false"
420 seccomp="auto"
421 glusterfs="auto"
422 gtk="auto"
423 tls_priority="NORMAL"
424 gnutls="$default_feature"
425 nettle="$default_feature"
426 nettle_xts="no"
427 gcrypt="$default_feature"
428 gcrypt_hmac="no"
429 gcrypt_xts="no"
430 qemu_private_xts="yes"
431 auth_pam="$default_feature"
432 vte="$default_feature"
433 virglrenderer="$default_feature"
434 tpm="$default_feature"
435 libssh="$default_feature"
436 live_block_migration=${default_feature:-yes}
437 numa="$default_feature"
438 tcmalloc="no"
439 jemalloc="no"
440 replication=${default_feature:-yes}
441 bochs=${default_feature:-yes}
442 cloop=${default_feature:-yes}
443 dmg=${default_feature:-yes}
444 qcow1=${default_feature:-yes}
445 vdi=${default_feature:-yes}
446 vvfat=${default_feature:-yes}
447 qed=${default_feature:-yes}
448 parallels=${default_feature:-yes}
449 sheepdog="no"
450 libxml2="$default_feature"
451 debug_mutex="no"
452 libpmem="$default_feature"
453 default_devices="true"
454 plugins="no"
455 fuzzing="no"
456 rng_none="no"
457 secret_keyring="$default_feature"
458 libdaxctl="$default_feature"
459 meson=""
460 ninja=""
461 skip_meson=no
462 gettext="auto"
463 fuse="auto"
464 fuse_lseek="auto"
465 multiprocess="auto"
467 malloc_trim="auto"
469 # parse CC options second
470 for opt do
471 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
472 case "$opt" in
473 --cross-prefix=*) cross_prefix="$optarg"
474 cross_compile="yes"
476 --cc=*) CC="$optarg"
478 --cxx=*) CXX="$optarg"
480 --cpu=*) cpu="$optarg"
482 --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
483 QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
485 --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
487 --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
488 EXTRA_LDFLAGS="$optarg"
490 --enable-debug-info) debug_info="yes"
492 --disable-debug-info) debug_info="no"
494 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
496 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
497 eval "cross_cc_cflags_${cc_arch}=\$optarg"
498 cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
500 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
501 cc_archs="$cc_archs $cc_arch"
502 eval "cross_cc_${cc_arch}=\$optarg"
503 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
505 esac
506 done
507 # OS specific
508 # Using uname is really, really broken. Once we have the right set of checks
509 # we can eliminate its usage altogether.
511 # Preferred compiler:
512 # ${CC} (if set)
513 # ${cross_prefix}gcc (if cross-prefix specified)
514 # system compiler
515 if test -z "${CC}${cross_prefix}"; then
516 cc="$host_cc"
517 else
518 cc="${CC-${cross_prefix}gcc}"
521 if test -z "${CXX}${cross_prefix}"; then
522 cxx="c++"
523 else
524 cxx="${CXX-${cross_prefix}g++}"
527 ar="${AR-${cross_prefix}ar}"
528 as="${AS-${cross_prefix}as}"
529 ccas="${CCAS-$cc}"
530 cpp="${CPP-$cc -E}"
531 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
532 ld="${LD-${cross_prefix}ld}"
533 ranlib="${RANLIB-${cross_prefix}ranlib}"
534 nm="${NM-${cross_prefix}nm}"
535 strip="${STRIP-${cross_prefix}strip}"
536 windres="${WINDRES-${cross_prefix}windres}"
537 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
538 query_pkg_config() {
539 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
541 pkg_config=query_pkg_config
542 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
544 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
545 ARFLAGS="${ARFLAGS-rv}"
547 # default flags for all hosts
548 # We use -fwrapv to tell the compiler that we require a C dialect where
549 # left shift of signed integers is well defined and has the expected
550 # 2s-complement style results. (Both clang and gcc agree that it
551 # provides these semantics.)
552 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
553 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
554 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
555 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
557 # Flags that are needed during configure but later taken care of by Meson
558 CONFIGURE_CFLAGS="-std=gnu99 -Wall"
559 CONFIGURE_LDFLAGS=
562 check_define() {
563 cat > $TMPC <<EOF
564 #if !defined($1)
565 #error $1 not defined
566 #endif
567 int main(void) { return 0; }
569 compile_object
572 check_include() {
573 cat > $TMPC <<EOF
574 #include <$1>
575 int main(void) { return 0; }
577 compile_object
580 write_c_skeleton() {
581 cat > $TMPC <<EOF
582 int main(void) { return 0; }
586 write_c_fuzzer_skeleton() {
587 cat > $TMPC <<EOF
588 #include <stdint.h>
589 #include <sys/types.h>
590 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
591 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
595 if check_define __linux__ ; then
596 targetos="Linux"
597 elif check_define _WIN32 ; then
598 targetos='MINGW32'
599 elif check_define __OpenBSD__ ; then
600 targetos='OpenBSD'
601 elif check_define __sun__ ; then
602 targetos='SunOS'
603 elif check_define __HAIKU__ ; then
604 targetos='Haiku'
605 elif check_define __FreeBSD__ ; then
606 targetos='FreeBSD'
607 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
608 targetos='GNU/kFreeBSD'
609 elif check_define __DragonFly__ ; then
610 targetos='DragonFly'
611 elif check_define __NetBSD__; then
612 targetos='NetBSD'
613 elif check_define __APPLE__; then
614 targetos='Darwin'
615 else
616 # This is a fatal error, but don't report it yet, because we
617 # might be going to just print the --help text, or it might
618 # be the result of a missing compiler.
619 targetos='bogus'
622 # Some host OSes need non-standard checks for which CPU to use.
623 # Note that these checks are broken for cross-compilation: if you're
624 # cross-compiling to one of these OSes then you'll need to specify
625 # the correct CPU with the --cpu option.
626 case $targetos in
627 Darwin)
628 HOST_DSOSUF=".dylib"
630 SunOS)
631 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
632 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
633 cpu="x86_64"
635 esac
637 if test ! -z "$cpu" ; then
638 # command line argument
640 elif check_define __i386__ ; then
641 cpu="i386"
642 elif check_define __x86_64__ ; then
643 if check_define __ILP32__ ; then
644 cpu="x32"
645 else
646 cpu="x86_64"
648 elif check_define __sparc__ ; then
649 if check_define __arch64__ ; then
650 cpu="sparc64"
651 else
652 cpu="sparc"
654 elif check_define _ARCH_PPC ; then
655 if check_define _ARCH_PPC64 ; then
656 if check_define _LITTLE_ENDIAN ; then
657 cpu="ppc64le"
658 else
659 cpu="ppc64"
661 else
662 cpu="ppc"
664 elif check_define __mips__ ; then
665 cpu="mips"
666 elif check_define __s390__ ; then
667 if check_define __s390x__ ; then
668 cpu="s390x"
669 else
670 cpu="s390"
672 elif check_define __riscv ; then
673 if check_define _LP64 ; then
674 cpu="riscv64"
675 else
676 cpu="riscv32"
678 elif check_define __arm__ ; then
679 cpu="arm"
680 elif check_define __aarch64__ ; then
681 cpu="aarch64"
682 else
683 cpu=$(uname -m)
686 ARCH=
687 # Normalise host CPU name and set ARCH.
688 # Note that this case should only have supported host CPUs, not guests.
689 case "$cpu" in
690 ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
692 ppc64le)
693 ARCH="ppc64"
695 i386|i486|i586|i686|i86pc|BePC)
696 cpu="i386"
698 x86_64|amd64)
699 cpu="x86_64"
701 armv*b|armv*l|arm)
702 cpu="arm"
704 aarch64)
705 cpu="aarch64"
707 mips*)
708 cpu="mips"
710 sparc|sun4[cdmuv])
711 cpu="sparc"
714 # This will result in either an error or falling back to TCI later
715 ARCH=unknown
717 esac
718 if test -z "$ARCH"; then
719 ARCH="$cpu"
722 # OS specific
724 case $targetos in
725 MINGW32*)
726 mingw32="yes"
727 audio_possible_drivers="dsound sdl"
728 if check_include dsound.h; then
729 audio_drv_list="dsound"
730 else
731 audio_drv_list=""
733 supported_os="yes"
734 pie="no"
736 GNU/kFreeBSD)
737 bsd="yes"
738 audio_drv_list="oss try-sdl"
739 audio_possible_drivers="oss sdl pa"
741 FreeBSD)
742 bsd="yes"
743 make="${MAKE-gmake}"
744 audio_drv_list="oss try-sdl"
745 audio_possible_drivers="oss sdl pa"
746 # needed for kinfo_getvmmap(3) in libutil.h
747 netmap="" # enable netmap autodetect
749 DragonFly)
750 bsd="yes"
751 make="${MAKE-gmake}"
752 audio_drv_list="oss try-sdl"
753 audio_possible_drivers="oss sdl pa"
755 NetBSD)
756 bsd="yes"
757 make="${MAKE-gmake}"
758 audio_drv_list="oss try-sdl"
759 audio_possible_drivers="oss sdl"
760 oss_lib="-lossaudio"
762 OpenBSD)
763 bsd="yes"
764 make="${MAKE-gmake}"
765 audio_drv_list="try-sdl"
766 audio_possible_drivers="sdl"
768 Darwin)
769 bsd="yes"
770 darwin="yes"
771 audio_drv_list="try-coreaudio try-sdl"
772 audio_possible_drivers="coreaudio sdl"
773 # Disable attempts to use ObjectiveC features in os/object.h since they
774 # won't work when we're compiling with gcc as a C compiler.
775 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
777 SunOS)
778 solaris="yes"
779 make="${MAKE-gmake}"
780 smbd="${SMBD-/usr/sfw/sbin/smbd}"
781 if test -f /usr/include/sys/soundcard.h ; then
782 audio_drv_list="oss try-sdl"
784 audio_possible_drivers="oss sdl"
785 # needed for CMSG_ macros in sys/socket.h
786 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
787 # needed for TIOCWIN* defines in termios.h
788 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
790 Haiku)
791 haiku="yes"
792 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE $QEMU_CFLAGS"
794 Linux)
795 audio_drv_list="try-pa oss"
796 audio_possible_drivers="oss alsa sdl pa"
797 linux="yes"
798 linux_user="yes"
799 vhost_user=${default_feature:-yes}
801 esac
803 if [ "$bsd" = "yes" ] ; then
804 if [ "$darwin" != "yes" ] ; then
805 bsd_user="yes"
809 : ${make=${MAKE-make}}
811 # We prefer python 3.x. A bare 'python' is traditionally
812 # python 2.x, but some distros have it as python 3.x, so
813 # we check that too
814 python=
815 explicit_python=no
816 for binary in "${PYTHON-python3}" python
818 if has "$binary"
819 then
820 python=$(command -v "$binary")
821 break
823 done
826 # Check for ancillary tools used in testing
827 genisoimage=
828 for binary in genisoimage mkisofs
830 if has $binary
831 then
832 genisoimage=$(command -v "$binary")
833 break
835 done
837 : ${smbd=${SMBD-/usr/sbin/smbd}}
839 # Default objcc to clang if available, otherwise use CC
840 if has clang; then
841 objcc=clang
842 else
843 objcc="$cc"
846 if test "$mingw32" = "yes" ; then
847 EXESUF=".exe"
848 HOST_DSOSUF=".dll"
849 # MinGW needs -mthreads for TLS and macro _MT.
850 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
851 write_c_skeleton;
852 prefix="/qemu"
853 qemu_suffix=""
854 libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
857 werror=""
859 for opt do
860 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
861 case "$opt" in
862 --help|-h) show_help=yes
864 --version|-V) exec cat $source_path/VERSION
866 --prefix=*) prefix="$optarg"
868 --interp-prefix=*) interp_prefix="$optarg"
870 --cross-prefix=*)
872 --cc=*)
874 --host-cc=*) host_cc="$optarg"
876 --cxx=*)
878 --iasl=*) iasl="$optarg"
880 --objcc=*) objcc="$optarg"
882 --make=*) make="$optarg"
884 --install=*)
886 --python=*) python="$optarg" ; explicit_python=yes
888 --sphinx-build=*) sphinx_build="$optarg"
890 --skip-meson) skip_meson=yes
892 --meson=*) meson="$optarg"
894 --ninja=*) ninja="$optarg"
896 --smbd=*) smbd="$optarg"
898 --extra-cflags=*)
900 --extra-cxxflags=*)
902 --extra-ldflags=*)
904 --enable-debug-info)
906 --disable-debug-info)
908 --cross-cc-*)
910 --enable-modules)
911 modules="yes"
913 --disable-modules)
914 modules="no"
916 --disable-module-upgrades) module_upgrades="no"
918 --enable-module-upgrades) module_upgrades="yes"
920 --cpu=*)
922 --target-list=*) target_list="$optarg"
923 if test "$target_list_exclude"; then
924 error_exit "Can't mix --target-list with --target-list-exclude"
927 --target-list-exclude=*) target_list_exclude="$optarg"
928 if test "$target_list"; then
929 error_exit "Can't mix --target-list-exclude with --target-list"
932 --enable-trace-backends=*) trace_backends="$optarg"
934 # XXX: backwards compatibility
935 --enable-trace-backend=*) trace_backends="$optarg"
937 --with-trace-file=*) trace_file="$optarg"
939 --with-default-devices) default_devices="true"
941 --without-default-devices) default_devices="false"
943 --without-default-features) # processed above
945 --enable-gprof) gprof="yes"
947 --enable-gcov) gcov="yes"
949 --static)
950 static="yes"
951 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
953 --mandir=*) mandir="$optarg"
955 --bindir=*) bindir="$optarg"
957 --libdir=*) libdir="$optarg"
959 --libexecdir=*) libexecdir="$optarg"
961 --includedir=*) includedir="$optarg"
963 --datadir=*) datadir="$optarg"
965 --with-suffix=*) qemu_suffix="$optarg"
967 --docdir=*) docdir="$optarg"
969 --localedir=*) localedir="$optarg"
971 --sysconfdir=*) sysconfdir="$optarg"
973 --localstatedir=*) local_statedir="$optarg"
975 --firmwarepath=*) firmwarepath="$optarg"
977 --host=*|--build=*|\
978 --disable-dependency-tracking|\
979 --sbindir=*|--sharedstatedir=*|\
980 --oldincludedir=*|--datarootdir=*|--infodir=*|\
981 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
982 # These switches are silently ignored, for compatibility with
983 # autoconf-generated configure scripts. This allows QEMU's
984 # configure to be used by RPM and similar macros that set
985 # lots of directory switches by default.
987 --disable-sdl) sdl="disabled"
989 --enable-sdl) sdl="enabled"
991 --disable-sdl-image) sdl_image="disabled"
993 --enable-sdl-image) sdl_image="enabled"
995 --disable-qom-cast-debug) qom_cast_debug="no"
997 --enable-qom-cast-debug) qom_cast_debug="yes"
999 --disable-virtfs) virtfs="disabled"
1001 --enable-virtfs) virtfs="enabled"
1003 --disable-libudev) libudev="disabled"
1005 --enable-libudev) libudev="enabled"
1007 --disable-virtiofsd) virtiofsd="disabled"
1009 --enable-virtiofsd) virtiofsd="enabled"
1011 --disable-mpath) mpath="disabled"
1013 --enable-mpath) mpath="enabled"
1015 --disable-vnc) vnc="disabled"
1017 --enable-vnc) vnc="enabled"
1019 --disable-gettext) gettext="disabled"
1021 --enable-gettext) gettext="enabled"
1023 --oss-lib=*) oss_lib="$optarg"
1025 --audio-drv-list=*) audio_drv_list="$optarg"
1027 --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1029 --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1031 --enable-debug-tcg) debug_tcg="yes"
1033 --disable-debug-tcg) debug_tcg="no"
1035 --enable-debug)
1036 # Enable debugging options that aren't excessively noisy
1037 debug_tcg="yes"
1038 debug_mutex="yes"
1039 debug="yes"
1040 strip_opt="no"
1041 fortify_source="no"
1043 --enable-sanitizers) sanitizers="yes"
1045 --disable-sanitizers) sanitizers="no"
1047 --enable-tsan) tsan="yes"
1049 --disable-tsan) tsan="no"
1051 --enable-sparse) sparse="enabled"
1053 --disable-sparse) sparse="disabled"
1055 --disable-strip) strip_opt="no"
1057 --disable-vnc-sasl) vnc_sasl="disabled"
1059 --enable-vnc-sasl) vnc_sasl="enabled"
1061 --disable-vnc-jpeg) vnc_jpeg="disabled"
1063 --enable-vnc-jpeg) vnc_jpeg="enabled"
1065 --disable-vnc-png) vnc_png="disabled"
1067 --enable-vnc-png) vnc_png="enabled"
1069 --disable-slirp) slirp="disabled"
1071 --enable-slirp) slirp="enabled"
1073 --enable-slirp=git) slirp="internal"
1075 --enable-slirp=system) slirp="system"
1077 --disable-vde) vde="no"
1079 --enable-vde) vde="yes"
1081 --disable-netmap) netmap="no"
1083 --enable-netmap) netmap="yes"
1085 --disable-xen) xen="disabled"
1087 --enable-xen) xen="enabled"
1089 --disable-xen-pci-passthrough) xen_pci_passthrough="disabled"
1091 --enable-xen-pci-passthrough) xen_pci_passthrough="enabled"
1093 --disable-brlapi) brlapi="disabled"
1095 --enable-brlapi) brlapi="enabled"
1097 --disable-kvm) kvm="disabled"
1099 --enable-kvm) kvm="enabled"
1101 --disable-hax) hax="disabled"
1103 --enable-hax) hax="enabled"
1105 --disable-hvf) hvf="disabled"
1107 --enable-hvf) hvf="enabled"
1109 --disable-whpx) whpx="disabled"
1111 --enable-whpx) whpx="enabled"
1113 --disable-tcg-interpreter) tcg_interpreter="false"
1115 --enable-tcg-interpreter) tcg_interpreter="true"
1117 --disable-cap-ng) cap_ng="disabled"
1119 --enable-cap-ng) cap_ng="enabled"
1121 --disable-tcg) tcg="disabled"
1123 --enable-tcg) tcg="enabled"
1125 --disable-malloc-trim) malloc_trim="disabled"
1127 --enable-malloc-trim) malloc_trim="enabled"
1129 --disable-spice) spice="no"
1131 --enable-spice) spice="yes"
1133 --disable-libiscsi) libiscsi="disabled"
1135 --enable-libiscsi) libiscsi="enabled"
1137 --disable-libnfs) libnfs="disabled"
1139 --enable-libnfs) libnfs="enabled"
1141 --enable-profiler) profiler="yes"
1143 --disable-cocoa) cocoa="disabled"
1145 --enable-cocoa) cocoa="enabled"
1147 --disable-system) softmmu="no"
1149 --enable-system) softmmu="yes"
1151 --disable-user)
1152 linux_user="no" ;
1153 bsd_user="no" ;
1155 --enable-user) ;;
1156 --disable-linux-user) linux_user="no"
1158 --enable-linux-user) linux_user="yes"
1160 --disable-bsd-user) bsd_user="no"
1162 --enable-bsd-user) bsd_user="yes"
1164 --enable-pie) pie="yes"
1166 --disable-pie) pie="no"
1168 --enable-werror) werror="yes"
1170 --disable-werror) werror="no"
1172 --enable-lto) lto="true"
1174 --disable-lto) lto="false"
1176 --enable-stack-protector) stack_protector="yes"
1178 --disable-stack-protector) stack_protector="no"
1180 --enable-safe-stack) safe_stack="yes"
1182 --disable-safe-stack) safe_stack="no"
1184 --enable-cfi)
1185 cfi="true";
1186 lto="true";
1188 --disable-cfi) cfi="false"
1190 --enable-cfi-debug) cfi_debug="true"
1192 --disable-cfi-debug) cfi_debug="false"
1194 --disable-curses) curses="disabled"
1196 --enable-curses) curses="enabled"
1198 --disable-iconv) iconv="disabled"
1200 --enable-iconv) iconv="enabled"
1202 --disable-curl) curl="disabled"
1204 --enable-curl) curl="enabled"
1206 --disable-fdt) fdt="disabled"
1208 --enable-fdt) fdt="enabled"
1210 --enable-fdt=git) fdt="internal"
1212 --enable-fdt=system) fdt="system"
1214 --disable-linux-aio) linux_aio="no"
1216 --enable-linux-aio) linux_aio="yes"
1218 --disable-linux-io-uring) linux_io_uring="no"
1220 --enable-linux-io-uring) linux_io_uring="yes"
1222 --disable-attr) attr="disabled"
1224 --enable-attr) attr="enabled"
1226 --disable-membarrier) membarrier="no"
1228 --enable-membarrier) membarrier="yes"
1230 --disable-blobs) blobs="false"
1232 --with-pkgversion=*) pkgversion="$optarg"
1234 --with-coroutine=*) coroutine="$optarg"
1236 --disable-coroutine-pool) coroutine_pool="no"
1238 --enable-coroutine-pool) coroutine_pool="yes"
1240 --enable-debug-stack-usage) debug_stack_usage="yes"
1242 --enable-crypto-afalg) crypto_afalg="yes"
1244 --disable-crypto-afalg) crypto_afalg="no"
1246 --disable-docs) docs="disabled"
1248 --enable-docs) docs="enabled"
1250 --disable-vhost-net) vhost_net="no"
1252 --enable-vhost-net) vhost_net="yes"
1254 --disable-vhost-crypto) vhost_crypto="no"
1256 --enable-vhost-crypto) vhost_crypto="yes"
1258 --disable-vhost-scsi) vhost_scsi="no"
1260 --enable-vhost-scsi) vhost_scsi="yes"
1262 --disable-vhost-vsock) vhost_vsock="no"
1264 --enable-vhost-vsock) vhost_vsock="yes"
1266 --disable-vhost-user-blk-server) vhost_user_blk_server="disabled"
1268 --enable-vhost-user-blk-server) vhost_user_blk_server="enabled"
1270 --disable-vhost-user-fs) vhost_user_fs="no"
1272 --enable-vhost-user-fs) vhost_user_fs="yes"
1274 --disable-opengl) opengl="no"
1276 --enable-opengl) opengl="yes"
1278 --disable-rbd) rbd="disabled"
1280 --enable-rbd) rbd="enabled"
1282 --disable-xfsctl) xfs="no"
1284 --enable-xfsctl) xfs="yes"
1286 --disable-smartcard) smartcard="no"
1288 --enable-smartcard) smartcard="yes"
1290 --disable-u2f) u2f="disabled"
1292 --enable-u2f) u2f="enabled"
1294 --disable-libusb) libusb="no"
1296 --enable-libusb) libusb="yes"
1298 --disable-usb-redir) usb_redir="no"
1300 --enable-usb-redir) usb_redir="yes"
1302 --disable-zlib-test)
1304 --disable-lzo) lzo="disabled"
1306 --enable-lzo) lzo="enabled"
1308 --disable-snappy) snappy="disabled"
1310 --enable-snappy) snappy="enabled"
1312 --disable-bzip2) bzip2="disabled"
1314 --enable-bzip2) bzip2="enabled"
1316 --enable-lzfse) lzfse="enabled"
1318 --disable-lzfse) lzfse="disabled"
1320 --disable-zstd) zstd="disabled"
1322 --enable-zstd) zstd="enabled"
1324 --enable-guest-agent) guest_agent="yes"
1326 --disable-guest-agent) guest_agent="no"
1328 --enable-guest-agent-msi) guest_agent_msi="enabled"
1330 --disable-guest-agent-msi) guest_agent_msi="disabled"
1332 --with-vss-sdk) vss_win32_sdk=""
1334 --with-vss-sdk=*) vss_win32_sdk="$optarg"
1336 --without-vss-sdk) vss_win32_sdk="no"
1338 --with-win-sdk) win_sdk=""
1340 --with-win-sdk=*) win_sdk="$optarg"
1342 --without-win-sdk) win_sdk="no"
1344 --enable-tools) want_tools="yes"
1346 --disable-tools) want_tools="no"
1348 --enable-seccomp) seccomp="enabled"
1350 --disable-seccomp) seccomp="disabled"
1352 --disable-glusterfs) glusterfs="disabled"
1354 --disable-avx2) avx2_opt="no"
1356 --enable-avx2) avx2_opt="yes"
1358 --disable-avx512f) avx512f_opt="no"
1360 --enable-avx512f) avx512f_opt="yes"
1363 --enable-glusterfs) glusterfs="enabled"
1365 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1366 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1368 --enable-vhdx|--disable-vhdx)
1369 echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1371 --enable-uuid|--disable-uuid)
1372 echo "$0: $opt is obsolete, UUID support is always built" >&2
1374 --disable-gtk) gtk="disabled"
1376 --enable-gtk) gtk="enabled"
1378 --tls-priority=*) tls_priority="$optarg"
1380 --disable-gnutls) gnutls="no"
1382 --enable-gnutls) gnutls="yes"
1384 --disable-nettle) nettle="no"
1386 --enable-nettle) nettle="yes"
1388 --disable-gcrypt) gcrypt="no"
1390 --enable-gcrypt) gcrypt="yes"
1392 --disable-auth-pam) auth_pam="no"
1394 --enable-auth-pam) auth_pam="yes"
1396 --enable-rdma) rdma="yes"
1398 --disable-rdma) rdma="no"
1400 --enable-pvrdma) pvrdma="yes"
1402 --disable-pvrdma) pvrdma="no"
1404 --disable-vte) vte="no"
1406 --enable-vte) vte="yes"
1408 --disable-virglrenderer) virglrenderer="no"
1410 --enable-virglrenderer) virglrenderer="yes"
1412 --disable-tpm) tpm="no"
1414 --enable-tpm) tpm="yes"
1416 --disable-libssh) libssh="no"
1418 --enable-libssh) libssh="yes"
1420 --disable-live-block-migration) live_block_migration="no"
1422 --enable-live-block-migration) live_block_migration="yes"
1424 --disable-numa) numa="no"
1426 --enable-numa) numa="yes"
1428 --disable-libxml2) libxml2="no"
1430 --enable-libxml2) libxml2="yes"
1432 --disable-tcmalloc) tcmalloc="no"
1434 --enable-tcmalloc) tcmalloc="yes"
1436 --disable-jemalloc) jemalloc="no"
1438 --enable-jemalloc) jemalloc="yes"
1440 --disable-replication) replication="no"
1442 --enable-replication) replication="yes"
1444 --disable-bochs) bochs="no"
1446 --enable-bochs) bochs="yes"
1448 --disable-cloop) cloop="no"
1450 --enable-cloop) cloop="yes"
1452 --disable-dmg) dmg="no"
1454 --enable-dmg) dmg="yes"
1456 --disable-qcow1) qcow1="no"
1458 --enable-qcow1) qcow1="yes"
1460 --disable-vdi) vdi="no"
1462 --enable-vdi) vdi="yes"
1464 --disable-vvfat) vvfat="no"
1466 --enable-vvfat) vvfat="yes"
1468 --disable-qed) qed="no"
1470 --enable-qed) qed="yes"
1472 --disable-parallels) parallels="no"
1474 --enable-parallels) parallels="yes"
1476 --disable-sheepdog) sheepdog="no"
1478 --enable-sheepdog) sheepdog="yes"
1480 --disable-vhost-user) vhost_user="no"
1482 --enable-vhost-user) vhost_user="yes"
1484 --disable-vhost-vdpa) vhost_vdpa="no"
1486 --enable-vhost-vdpa) vhost_vdpa="yes"
1488 --disable-vhost-kernel) vhost_kernel="no"
1490 --enable-vhost-kernel) vhost_kernel="yes"
1492 --disable-capstone) capstone="disabled"
1494 --enable-capstone) capstone="enabled"
1496 --enable-capstone=git) capstone="internal"
1498 --enable-capstone=system) capstone="system"
1500 --with-git=*) git="$optarg"
1502 --enable-git-update)
1503 git_submodules_action="update"
1504 echo "--enable-git-update deprecated, use --with-git-submodules=update"
1506 --disable-git-update)
1507 git_submodules_action="validate"
1508 echo "--disable-git-update deprecated, use --with-git-submodules=validate"
1510 --with-git-submodules=*)
1511 git_submodules_action="$optarg"
1513 --enable-debug-mutex) debug_mutex=yes
1515 --disable-debug-mutex) debug_mutex=no
1517 --enable-libpmem) libpmem=yes
1519 --disable-libpmem) libpmem=no
1521 --enable-xkbcommon) xkbcommon="enabled"
1523 --disable-xkbcommon) xkbcommon="disabled"
1525 --enable-plugins) plugins="yes"
1527 --disable-plugins) plugins="no"
1529 --enable-containers) use_containers="yes"
1531 --disable-containers) use_containers="no"
1533 --enable-fuzzing) fuzzing=yes
1535 --disable-fuzzing) fuzzing=no
1537 --gdb=*) gdb_bin="$optarg"
1539 --enable-rng-none) rng_none=yes
1541 --disable-rng-none) rng_none=no
1543 --enable-keyring) secret_keyring="yes"
1545 --disable-keyring) secret_keyring="no"
1547 --enable-libdaxctl) libdaxctl=yes
1549 --disable-libdaxctl) libdaxctl=no
1551 --enable-fuse) fuse="enabled"
1553 --disable-fuse) fuse="disabled"
1555 --enable-fuse-lseek) fuse_lseek="enabled"
1557 --disable-fuse-lseek) fuse_lseek="disabled"
1559 --enable-multiprocess) multiprocess="enabled"
1561 --disable-multiprocess) multiprocess="disabled"
1564 echo "ERROR: unknown option $opt"
1565 echo "Try '$0 --help' for more information"
1566 exit 1
1568 esac
1569 done
1571 case $git_submodules_action in
1572 update|validate)
1573 if test ! -e "$source_path/.git"; then
1574 echo "ERROR: cannot $git_submodules_action git submodules without .git"
1575 exit 1
1578 ignore)
1581 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'"
1582 exit 1
1584 esac
1586 libdir="${libdir:-$prefix/lib}"
1587 libexecdir="${libexecdir:-$prefix/libexec}"
1588 includedir="${includedir:-$prefix/include}"
1590 if test "$mingw32" = "yes" ; then
1591 bindir="${bindir:-$prefix}"
1592 else
1593 bindir="${bindir:-$prefix/bin}"
1595 mandir="${mandir:-$prefix/share/man}"
1596 datadir="${datadir:-$prefix/share}"
1597 docdir="${docdir:-$prefix/share/doc}"
1598 sysconfdir="${sysconfdir:-$prefix/etc}"
1599 local_statedir="${local_statedir:-$prefix/var}"
1600 firmwarepath="${firmwarepath:-$datadir/qemu-firmware}"
1601 localedir="${localedir:-$datadir/locale}"
1603 case "$cpu" in
1604 ppc)
1605 CPU_CFLAGS="-m32"
1606 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1608 ppc64)
1609 CPU_CFLAGS="-m64"
1610 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1612 sparc)
1613 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1614 QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1616 sparc64)
1617 CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1618 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1620 s390)
1621 CPU_CFLAGS="-m31"
1622 QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1624 s390x)
1625 CPU_CFLAGS="-m64"
1626 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1628 i386)
1629 CPU_CFLAGS="-m32"
1630 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1632 x86_64)
1633 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1634 # If we truly care, we should simply detect this case at
1635 # runtime and generate the fallback to serial emulation.
1636 CPU_CFLAGS="-m64 -mcx16"
1637 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1639 x32)
1640 CPU_CFLAGS="-mx32"
1641 QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1643 # No special flags required for other host CPUs
1644 esac
1646 eval "cross_cc_${cpu}=\$host_cc"
1647 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1648 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1650 # For user-mode emulation the host arch has to be one we explicitly
1651 # support, even if we're using TCI.
1652 if [ "$ARCH" = "unknown" ]; then
1653 bsd_user="no"
1654 linux_user="no"
1657 default_target_list=""
1658 deprecated_targets_list=ppc64abi32-linux-user,lm32-softmmu,unicore32-softmmu
1659 deprecated_features=""
1660 mak_wilds=""
1662 if [ "$softmmu" = "yes" ]; then
1663 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-softmmu.mak"
1665 if [ "$linux_user" = "yes" ]; then
1666 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-linux-user.mak"
1668 if [ "$bsd_user" = "yes" ]; then
1669 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-bsd-user.mak"
1672 # If the user doesn't explicitly specify a deprecated target we will
1673 # skip it.
1674 if test -z "$target_list"; then
1675 if test -z "$target_list_exclude"; then
1676 target_list_exclude="$deprecated_targets_list"
1677 else
1678 target_list_exclude="$target_list_exclude,$deprecated_targets_list"
1682 for config in $mak_wilds; do
1683 target="$(basename "$config" .mak)"
1684 if echo "$target_list_exclude" | grep -vq "$target"; then
1685 default_target_list="${default_target_list} $target"
1687 done
1689 # Enumerate public trace backends for --help output
1690 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1692 if test x"$show_help" = x"yes" ; then
1693 cat << EOF
1695 Usage: configure [options]
1696 Options: [defaults in brackets after descriptions]
1698 Standard options:
1699 --help print this message
1700 --prefix=PREFIX install in PREFIX [$prefix]
1701 --interp-prefix=PREFIX where to find shared libraries, etc.
1702 use %M for cpu name [$interp_prefix]
1703 --target-list=LIST set target list (default: build all non-deprecated)
1704 $(echo Available targets: $default_target_list | \
1705 fold -s -w 53 | sed -e 's/^/ /')
1706 $(echo Deprecated targets: $deprecated_targets_list | \
1707 fold -s -w 53 | sed -e 's/^/ /')
1708 --target-list-exclude=LIST exclude a set of targets from the default target-list
1710 Advanced options (experts only):
1711 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
1712 --cc=CC use C compiler CC [$cc]
1713 --iasl=IASL use ACPI compiler IASL [$iasl]
1714 --host-cc=CC use C compiler CC [$host_cc] for code run at
1715 build time
1716 --cxx=CXX use C++ compiler CXX [$cxx]
1717 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
1718 --extra-cflags=CFLAGS append extra C compiler flags QEMU_CFLAGS
1719 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1720 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
1721 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
1722 --cross-cc-flags-ARCH= use compiler flags when building ARCH guest tests
1723 --make=MAKE use specified make [$make]
1724 --python=PYTHON use specified python [$python]
1725 --sphinx-build=SPHINX use specified sphinx-build [$sphinx_build]
1726 --meson=MESON use specified meson [$meson]
1727 --ninja=NINJA use specified ninja [$ninja]
1728 --smbd=SMBD use specified smbd [$smbd]
1729 --with-git=GIT use specified git [$git]
1730 --with-git-submodules=update update git submodules (default if .git dir exists)
1731 --with-git-submodules=validate fail if git submodules are not up to date
1732 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir)
1733 --static enable static build [$static]
1734 --mandir=PATH install man pages in PATH
1735 --datadir=PATH install firmware in PATH/$qemu_suffix
1736 --localedir=PATH install translation in PATH/$qemu_suffix
1737 --docdir=PATH install documentation in PATH/$qemu_suffix
1738 --bindir=PATH install binaries in PATH
1739 --libdir=PATH install libraries in PATH
1740 --libexecdir=PATH install helper binaries in PATH
1741 --sysconfdir=PATH install config in PATH/$qemu_suffix
1742 --localstatedir=PATH install local state in PATH (set at runtime on win32)
1743 --firmwarepath=PATH search PATH for firmware files
1744 --efi-aarch64=PATH PATH of efi file to use for aarch64 VMs.
1745 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
1746 --with-pkgversion=VERS use specified string as sub-version of the package
1747 --without-default-features default all --enable-* options to "disabled"
1748 --without-default-devices do not include any device that is not needed to
1749 start the emulator (only use if you are including
1750 desired devices in default-configs/devices/)
1751 --enable-debug enable common debug build options
1752 --enable-sanitizers enable default sanitizers
1753 --enable-tsan enable thread sanitizer
1754 --disable-strip disable stripping binaries
1755 --disable-werror disable compilation abort on warning
1756 --disable-stack-protector disable compiler-provided stack protection
1757 --audio-drv-list=LIST set audio drivers list:
1758 Available drivers: $audio_possible_drivers
1759 --block-drv-whitelist=L Same as --block-drv-rw-whitelist=L
1760 --block-drv-rw-whitelist=L
1761 set block driver read-write whitelist
1762 (affects only QEMU, not qemu-img)
1763 --block-drv-ro-whitelist=L
1764 set block driver read-only whitelist
1765 (affects only QEMU, not qemu-img)
1766 --enable-trace-backends=B Set trace backend
1767 Available backends: $trace_backend_list
1768 --with-trace-file=NAME Full PATH,NAME of file to store traces
1769 Default:trace-<pid>
1770 --disable-slirp disable SLIRP userspace network connectivity
1771 --enable-tcg-interpreter enable TCI (TCG with bytecode interpreter, experimental and slow)
1772 --enable-malloc-trim enable libc malloc_trim() for memory optimization
1773 --oss-lib path to OSS library
1774 --cpu=CPU Build for host CPU [$cpu]
1775 --with-coroutine=BACKEND coroutine backend. Supported options:
1776 ucontext, sigaltstack, windows
1777 --enable-gcov enable test coverage analysis with gcov
1778 --disable-blobs disable installing provided firmware blobs
1779 --with-vss-sdk=SDK-path enable Windows VSS support in QEMU Guest Agent
1780 --with-win-sdk=SDK-path path to Windows Platform SDK (to build VSS .tlb)
1781 --tls-priority default TLS protocol/cipher priority string
1782 --enable-gprof QEMU profiling with gprof
1783 --enable-profiler profiler support
1784 --enable-debug-stack-usage
1785 track the maximum stack usage of stacks created by qemu_alloc_stack
1786 --enable-plugins
1787 enable plugins via shared library loading
1788 --disable-containers don't use containers for cross-building
1789 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
1791 Optional features, enabled with --enable-FEATURE and
1792 disabled with --disable-FEATURE, default is enabled if available
1793 (unless built with --without-default-features):
1795 system all system emulation targets
1796 user supported user emulation targets
1797 linux-user all linux usermode emulation targets
1798 bsd-user all BSD usermode emulation targets
1799 docs build documentation
1800 guest-agent build the QEMU Guest Agent
1801 guest-agent-msi build guest agent Windows MSI installation package
1802 pie Position Independent Executables
1803 modules modules support (non-Windows)
1804 module-upgrades try to load modules from alternate paths for upgrades
1805 debug-tcg TCG debugging (default is disabled)
1806 debug-info debugging information
1807 lto Enable Link-Time Optimization.
1808 sparse sparse checker
1809 safe-stack SafeStack Stack Smash Protection. Depends on
1810 clang/llvm >= 3.7 and requires coroutine backend ucontext.
1811 cfi Enable Control-Flow Integrity for indirect function calls.
1812 In case of a cfi violation, QEMU is terminated with SIGILL
1813 Depends on lto and is incompatible with modules
1814 Automatically enables Link-Time Optimization (lto)
1815 cfi-debug In case of a cfi violation, a message containing the line that
1816 triggered the error is written to stderr. After the error,
1817 QEMU is still terminated with SIGILL
1818 gnutls GNUTLS cryptography support
1819 nettle nettle cryptography support
1820 gcrypt libgcrypt cryptography support
1821 auth-pam PAM access control
1822 sdl SDL UI
1823 sdl-image SDL Image support for icons
1824 gtk gtk UI
1825 vte vte support for the gtk UI
1826 curses curses UI
1827 iconv font glyph conversion support
1828 vnc VNC UI support
1829 vnc-sasl SASL encryption for VNC server
1830 vnc-jpeg JPEG lossy compression for VNC server
1831 vnc-png PNG compression for VNC server
1832 cocoa Cocoa UI (Mac OS X only)
1833 virtfs VirtFS
1834 virtiofsd build virtiofs daemon (virtiofsd)
1835 libudev Use libudev to enumerate host devices
1836 mpath Multipath persistent reservation passthrough
1837 xen xen backend driver support
1838 xen-pci-passthrough PCI passthrough support for Xen
1839 brlapi BrlAPI (Braile)
1840 curl curl connectivity
1841 membarrier membarrier system call (for Linux 4.14+ or Windows)
1842 fdt fdt device tree
1843 kvm KVM acceleration support
1844 hax HAX acceleration support
1845 hvf Hypervisor.framework acceleration support
1846 whpx Windows Hypervisor Platform acceleration support
1847 rdma Enable RDMA-based migration
1848 pvrdma Enable PVRDMA support
1849 vde support for vde network
1850 netmap support for netmap network
1851 linux-aio Linux AIO support
1852 linux-io-uring Linux io_uring support
1853 cap-ng libcap-ng support
1854 attr attr and xattr support
1855 vhost-net vhost-net kernel acceleration support
1856 vhost-vsock virtio sockets device support
1857 vhost-scsi vhost-scsi kernel target support
1858 vhost-crypto vhost-user-crypto backend support
1859 vhost-kernel vhost kernel backend support
1860 vhost-user vhost-user backend support
1861 vhost-user-blk-server vhost-user-blk server support
1862 vhost-vdpa vhost-vdpa kernel backend support
1863 spice spice
1864 rbd rados block device (rbd)
1865 libiscsi iscsi support
1866 libnfs nfs support
1867 smartcard smartcard support (libcacard)
1868 u2f U2F support (u2f-emu)
1869 libusb libusb (for usb passthrough)
1870 live-block-migration Block migration in the main migration stream
1871 usb-redir usb network redirection support
1872 lzo support of lzo compression library
1873 snappy support of snappy compression library
1874 bzip2 support of bzip2 compression library
1875 (for reading bzip2-compressed dmg images)
1876 lzfse support of lzfse compression library
1877 (for reading lzfse-compressed dmg images)
1878 zstd support for zstd compression library
1879 (for migration compression and qcow2 cluster compression)
1880 seccomp seccomp support
1881 coroutine-pool coroutine freelist (better performance)
1882 glusterfs GlusterFS backend
1883 tpm TPM support
1884 libssh ssh block device support
1885 numa libnuma support
1886 libxml2 for Parallels image format
1887 tcmalloc tcmalloc support
1888 jemalloc jemalloc support
1889 avx2 AVX2 optimization support
1890 avx512f AVX512F optimization support
1891 replication replication support
1892 opengl opengl support
1893 virglrenderer virgl rendering support
1894 xfsctl xfsctl support
1895 qom-cast-debug cast debugging support
1896 tools build qemu-io, qemu-nbd and qemu-img tools
1897 bochs bochs image format support
1898 cloop cloop image format support
1899 dmg dmg image format support
1900 qcow1 qcow v1 image format support
1901 vdi vdi image format support
1902 vvfat vvfat image format support
1903 qed qed image format support
1904 parallels parallels image format support
1905 sheepdog sheepdog block driver support (deprecated)
1906 crypto-afalg Linux AF_ALG crypto backend driver
1907 capstone capstone disassembler support
1908 debug-mutex mutex debugging support
1909 libpmem libpmem support
1910 xkbcommon xkbcommon support
1911 rng-none dummy RNG, avoid using /dev/(u)random and getrandom()
1912 libdaxctl libdaxctl support
1913 fuse FUSE block device export
1914 fuse-lseek SEEK_HOLE/SEEK_DATA support for FUSE exports
1915 multiprocess Out of process device emulation support
1917 NOTE: The object files are built at the place where configure is launched
1919 exit 0
1922 # Remove old dependency files to make sure that they get properly regenerated
1923 rm -f */config-devices.mak.d
1925 if test -z "$python"
1926 then
1927 error_exit "Python not found. Use --python=/path/to/python"
1929 if ! has "$make"
1930 then
1931 error_exit "GNU make ($make) not found"
1934 # Note that if the Python conditional here evaluates True we will exit
1935 # with status 1 which is a shell 'false' value.
1936 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
1937 error_exit "Cannot use '$python', Python >= 3.6 is required." \
1938 "Use --python=/path/to/python to specify a supported Python."
1941 # Preserve python version since some functionality is dependent on it
1942 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)
1944 # Suppress writing compiled files
1945 python="$python -B"
1947 if test -z "$meson"; then
1948 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.3; then
1949 meson=meson
1950 elif test $git_submodules_action != 'ignore' ; then
1951 meson=git
1952 elif test -e "${source_path}/meson/meson.py" ; then
1953 meson=internal
1954 else
1955 if test "$explicit_python" = yes; then
1956 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1957 else
1958 error_exit "Meson not found. Use --meson=/path/to/meson"
1961 else
1962 # Meson uses its own Python interpreter to invoke other Python scripts,
1963 # but the user wants to use the one they specified with --python.
1965 # We do not want to override the distro Python interpreter (and sometimes
1966 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1967 # just require --meson=git|internal together with --python.
1968 if test "$explicit_python" = yes; then
1969 case "$meson" in
1970 git | internal) ;;
1971 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1972 esac
1976 if test "$meson" = git; then
1977 git_submodules="${git_submodules} meson"
1980 case "$meson" in
1981 git | internal)
1982 meson="$python ${source_path}/meson/meson.py"
1984 *) meson=$(command -v "$meson") ;;
1985 esac
1987 # Probe for ninja
1989 if test -z "$ninja"; then
1990 for c in ninja ninja-build samu; do
1991 if has $c; then
1992 ninja=$(command -v "$c")
1993 break
1995 done
1996 if test -z "$ninja"; then
1997 error_exit "Cannot find Ninja"
2001 # Check that the C compiler works. Doing this here before testing
2002 # the host CPU ensures that we had a valid CC to autodetect the
2003 # $cpu var (and we should bail right here if that's not the case).
2004 # It also allows the help message to be printed without a CC.
2005 write_c_skeleton;
2006 if compile_object ; then
2007 : C compiler works ok
2008 else
2009 error_exit "\"$cc\" either does not exist or does not work"
2011 if ! compile_prog ; then
2012 error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
2015 # Consult white-list to determine whether to enable werror
2016 # by default. Only enable by default for git builds
2017 if test -z "$werror" ; then
2018 if test "$git_submodules_action" != "ignore" && \
2019 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
2020 werror="yes"
2021 else
2022 werror="no"
2026 if test "$targetos" = "bogus"; then
2027 # Now that we know that we're not printing the help and that
2028 # the compiler works (so the results of the check_defines we used
2029 # to identify the OS are reliable), if we didn't recognize the
2030 # host OS we should stop now.
2031 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
2034 # Check whether the compiler matches our minimum requirements:
2035 cat > $TMPC << EOF
2036 #if defined(__clang_major__) && defined(__clang_minor__)
2037 # ifdef __apple_build_version__
2038 # if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
2039 # error You need at least XCode Clang v5.1 to compile QEMU
2040 # endif
2041 # else
2042 # if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
2043 # error You need at least Clang v3.4 to compile QEMU
2044 # endif
2045 # endif
2046 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
2047 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
2048 # error You need at least GCC v4.8 to compile QEMU
2049 # endif
2050 #else
2051 # error You either need GCC or Clang to compiler QEMU
2052 #endif
2053 int main (void) { return 0; }
2055 if ! compile_prog "" "" ; then
2056 error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2059 # Accumulate -Wfoo and -Wno-bar separately.
2060 # We will list all of the enable flags first, and the disable flags second.
2061 # Note that we do not add -Werror, because that would enable it for all
2062 # configure tests. If a configure test failed due to -Werror this would
2063 # just silently disable some features, so it's too error prone.
2065 warn_flags=
2066 add_to warn_flags -Wold-style-declaration
2067 add_to warn_flags -Wold-style-definition
2068 add_to warn_flags -Wtype-limits
2069 add_to warn_flags -Wformat-security
2070 add_to warn_flags -Wformat-y2k
2071 add_to warn_flags -Winit-self
2072 add_to warn_flags -Wignored-qualifiers
2073 add_to warn_flags -Wempty-body
2074 add_to warn_flags -Wnested-externs
2075 add_to warn_flags -Wendif-labels
2076 add_to warn_flags -Wexpansion-to-defined
2077 add_to warn_flags -Wimplicit-fallthrough=2
2079 nowarn_flags=
2080 add_to nowarn_flags -Wno-initializer-overrides
2081 add_to nowarn_flags -Wno-missing-include-dirs
2082 add_to nowarn_flags -Wno-shift-negative-value
2083 add_to nowarn_flags -Wno-string-plus-int
2084 add_to nowarn_flags -Wno-typedef-redefinition
2085 add_to nowarn_flags -Wno-tautological-type-limit-compare
2086 add_to nowarn_flags -Wno-psabi
2088 gcc_flags="$warn_flags $nowarn_flags"
2090 cc_has_warning_flag() {
2091 write_c_skeleton;
2093 # Use the positive sense of the flag when testing for -Wno-wombat
2094 # support (gcc will happily accept the -Wno- form of unknown
2095 # warning options).
2096 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2097 compile_prog "-Werror $optflag" ""
2100 for flag in $gcc_flags; do
2101 if cc_has_warning_flag $flag ; then
2102 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2104 done
2106 if test "$stack_protector" != "no"; then
2107 cat > $TMPC << EOF
2108 int main(int argc, char *argv[])
2110 char arr[64], *p = arr, *c = argv[0];
2111 while (*c) {
2112 *p++ = *c++;
2114 return 0;
2117 gcc_flags="-fstack-protector-strong -fstack-protector-all"
2118 sp_on=0
2119 for flag in $gcc_flags; do
2120 # We need to check both a compile and a link, since some compiler
2121 # setups fail only on a .c->.o compile and some only at link time
2122 if compile_object "-Werror $flag" &&
2123 compile_prog "-Werror $flag" ""; then
2124 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2125 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2126 sp_on=1
2127 break
2129 done
2130 if test "$stack_protector" = yes; then
2131 if test $sp_on = 0; then
2132 error_exit "Stack protector not supported"
2137 # Disable -Wmissing-braces on older compilers that warn even for
2138 # the "universal" C zero initializer {0}.
2139 cat > $TMPC << EOF
2140 struct {
2141 int a[2];
2142 } x = {0};
2144 if compile_object "-Werror" "" ; then
2146 else
2147 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2150 # Our module code doesn't support Windows
2151 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2152 error_exit "Modules are not available for Windows"
2155 # module_upgrades is only reasonable if modules are enabled
2156 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2157 error_exit "Can't enable module-upgrades as Modules are not enabled"
2160 # Static linking is not possible with modules or PIE
2161 if test "$static" = "yes" ; then
2162 if test "$modules" = "yes" ; then
2163 error_exit "static and modules are mutually incompatible"
2167 # Unconditional check for compiler __thread support
2168 cat > $TMPC << EOF
2169 static __thread int tls_var;
2170 int main(void) { return tls_var; }
2173 if ! compile_prog "-Werror" "" ; then
2174 error_exit "Your compiler does not support the __thread specifier for " \
2175 "Thread-Local Storage (TLS). Please upgrade to a version that does."
2178 cat > $TMPC << EOF
2180 #ifdef __linux__
2181 # define THREAD __thread
2182 #else
2183 # define THREAD
2184 #endif
2185 static THREAD int tls_var;
2186 int main(void) { return tls_var; }
2189 # Check we support --no-pie first; we will need this for building ROMs.
2190 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2191 CFLAGS_NOPIE="-fno-pie"
2194 if test "$static" = "yes"; then
2195 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2196 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
2197 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2198 pie="yes"
2199 elif test "$pie" = "yes"; then
2200 error_exit "-static-pie not available due to missing toolchain support"
2201 else
2202 QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2203 pie="no"
2205 elif test "$pie" = "no"; then
2206 CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS"
2207 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2208 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
2209 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
2210 pie="yes"
2211 elif test "$pie" = "yes"; then
2212 error_exit "PIE not available due to missing toolchain support"
2213 else
2214 echo "Disabling PIE due to missing toolchain support"
2215 pie="no"
2218 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2219 # The combination is known as "full relro", because .got.plt is read-only too.
2220 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2221 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2224 ##########################################
2225 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2226 # use i686 as default anyway, but for those that don't, an explicit
2227 # specification is necessary
2229 if test "$cpu" = "i386"; then
2230 cat > $TMPC << EOF
2231 static int sfaa(int *ptr)
2233 return __sync_fetch_and_and(ptr, 0);
2236 int main(void)
2238 int val = 42;
2239 val = __sync_val_compare_and_swap(&val, 0, 1);
2240 sfaa(&val);
2241 return val;
2244 if ! compile_prog "" "" ; then
2245 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2249 #########################################
2250 # Solaris specific configure tool chain decisions
2252 if test "$solaris" = "yes" ; then
2253 if has ar; then
2255 else
2256 if test -f /usr/ccs/bin/ar ; then
2257 error_exit "No path includes ar" \
2258 "Add /usr/ccs/bin to your path and rerun configure"
2260 error_exit "No path includes ar"
2264 if test -z "${target_list+xxx}" ; then
2265 default_targets=yes
2266 for target in $default_target_list; do
2267 target_list="$target_list $target"
2268 done
2269 target_list="${target_list# }"
2270 else
2271 default_targets=no
2272 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2273 for target in $target_list; do
2274 # Check that we recognised the target name; this allows a more
2275 # friendly error message than if we let it fall through.
2276 case " $default_target_list " in
2277 *" $target "*)
2280 error_exit "Unknown target name '$target'"
2282 esac
2283 done
2286 for target in $target_list; do
2287 # if a deprecated target is enabled we note it here
2288 if echo "$deprecated_targets_list" | grep -q "$target"; then
2289 add_to deprecated_features $target
2291 done
2293 # see if system emulation was really requested
2294 case " $target_list " in
2295 *"-softmmu "*) softmmu=yes
2297 *) softmmu=no
2299 esac
2301 feature_not_found() {
2302 feature=$1
2303 remedy=$2
2305 error_exit "User requested feature $feature" \
2306 "configure was not able to find it." \
2307 "$remedy"
2310 # ---
2311 # big/little endian test
2312 cat > $TMPC << EOF
2313 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2314 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2315 extern int foo(short *, short *);
2316 int main(int argc, char *argv[]) {
2317 return foo(big_endian, little_endian);
2321 if compile_object ; then
2322 if strings -a $TMPO | grep -q BiGeNdIaN ; then
2323 bigendian="yes"
2324 elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2325 bigendian="no"
2326 else
2327 echo big/little test failed
2329 else
2330 echo big/little test failed
2333 ##########################################
2334 # system tools
2335 if test -z "$want_tools"; then
2336 if test "$softmmu" = "no"; then
2337 want_tools=no
2338 else
2339 want_tools=yes
2343 ##########################################
2344 # Disable features only meaningful for system-mode emulation
2345 if test "$softmmu" = "no"; then
2346 audio_drv_list=""
2349 ##########################################
2350 # Some versions of Mac OS X incorrectly define SIZE_MAX
2351 cat > $TMPC << EOF
2352 #include <stdint.h>
2353 #include <stdio.h>
2354 int main(int argc, char *argv[]) {
2355 return printf("%zu", SIZE_MAX);
2358 have_broken_size_max=no
2359 if ! compile_object -Werror ; then
2360 have_broken_size_max=yes
2363 ##########################################
2364 # L2TPV3 probe
2366 cat > $TMPC <<EOF
2367 #include <sys/socket.h>
2368 #include <linux/ip.h>
2369 int main(void) { return sizeof(struct mmsghdr); }
2371 if compile_prog "" "" ; then
2372 l2tpv3=yes
2373 else
2374 l2tpv3=no
2377 cat > $TMPC <<EOF
2378 #include <sys/mman.h>
2379 int main(int argc, char *argv[]) {
2380 return mlockall(MCL_FUTURE);
2383 if compile_prog "" "" ; then
2384 have_mlockall=yes
2385 else
2386 have_mlockall=no
2389 #########################################
2390 # vhost interdependencies and host support
2392 # vhost backends
2393 if test "$vhost_user" = "yes" && test "$linux" != "yes"; then
2394 error_exit "vhost-user is only available on Linux"
2396 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2397 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2398 error_exit "vhost-vdpa is only available on Linux"
2400 test "$vhost_kernel" = "" && vhost_kernel=$linux
2401 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2402 error_exit "vhost-kernel is only available on Linux"
2405 # vhost-kernel devices
2406 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2407 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2408 error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2410 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2411 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2412 error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2415 # vhost-user backends
2416 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2417 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2418 error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2420 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2421 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2422 error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2424 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2425 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2426 error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2428 #vhost-vdpa backends
2429 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2430 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2431 error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2434 # OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity
2435 if test "$vhost_net" = ""; then
2436 test "$vhost_net_user" = "yes" && vhost_net=yes
2437 test "$vhost_net_vdpa" = "yes" && vhost_net=yes
2438 test "$vhost_kernel" = "yes" && vhost_net=yes
2441 ##########################################
2442 # pkg-config probe
2444 if ! has "$pkg_config_exe"; then
2445 error_exit "pkg-config binary '$pkg_config_exe' not found"
2448 ##########################################
2449 # NPTL probe
2451 if test "$linux_user" = "yes"; then
2452 cat > $TMPC <<EOF
2453 #include <sched.h>
2454 #include <linux/futex.h>
2455 int main(void) {
2456 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2457 #error bork
2458 #endif
2459 return 0;
2462 if ! compile_object ; then
2463 feature_not_found "nptl" "Install glibc and linux kernel headers."
2467 ##########################################
2468 # xen probe
2470 if test "$xen" != "disabled" ; then
2471 # Check whether Xen library path is specified via --extra-ldflags to avoid
2472 # overriding this setting with pkg-config output. If not, try pkg-config
2473 # to obtain all needed flags.
2475 if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2476 $pkg_config --exists xencontrol ; then
2477 xen_ctrl_version="$(printf '%d%02d%02d' \
2478 $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2479 xen=enabled
2480 xen_pc="xencontrol xenstore xenforeignmemory xengnttab"
2481 xen_pc="$xen_pc xenevtchn xendevicemodel"
2482 if $pkg_config --exists xentoolcore; then
2483 xen_pc="$xen_pc xentoolcore"
2485 xen_cflags="$($pkg_config --cflags $xen_pc)"
2486 xen_libs="$($pkg_config --libs $xen_pc)"
2487 else
2489 xen_libs="-lxenstore -lxenctrl"
2490 xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2492 # First we test whether Xen headers and libraries are available.
2493 # If no, we are done and there is no Xen support.
2494 # If yes, more tests are run to detect the Xen version.
2496 # Xen (any)
2497 cat > $TMPC <<EOF
2498 #include <xenctrl.h>
2499 int main(void) {
2500 return 0;
2503 if ! compile_prog "" "$xen_libs" ; then
2504 # Xen not found
2505 if test "$xen" = "enabled" ; then
2506 feature_not_found "xen" "Install xen devel"
2508 xen=disabled
2510 # Xen unstable
2511 elif
2512 cat > $TMPC <<EOF &&
2513 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2514 #define __XEN_TOOLS__
2515 #include <xendevicemodel.h>
2516 #include <xenforeignmemory.h>
2517 int main(void) {
2518 xendevicemodel_handle *xd;
2519 xenforeignmemory_handle *xfmem;
2521 xd = xendevicemodel_open(0, 0);
2522 xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2524 xfmem = xenforeignmemory_open(0, 0);
2525 xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2527 return 0;
2530 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2531 then
2532 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2533 xen_ctrl_version=41100
2534 xen=enabled
2535 elif
2536 cat > $TMPC <<EOF &&
2537 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2538 #include <xenforeignmemory.h>
2539 #include <xentoolcore.h>
2540 int main(void) {
2541 xenforeignmemory_handle *xfmem;
2543 xfmem = xenforeignmemory_open(0, 0);
2544 xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2545 xentoolcore_restrict_all(0);
2547 return 0;
2550 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2551 then
2552 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2553 xen_ctrl_version=41000
2554 xen=enabled
2555 elif
2556 cat > $TMPC <<EOF &&
2557 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2558 #define __XEN_TOOLS__
2559 #include <xendevicemodel.h>
2560 int main(void) {
2561 xendevicemodel_handle *xd;
2563 xd = xendevicemodel_open(0, 0);
2564 xendevicemodel_close(xd);
2566 return 0;
2569 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2570 then
2571 xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2572 xen_ctrl_version=40900
2573 xen=enabled
2574 elif
2575 cat > $TMPC <<EOF &&
2577 * If we have stable libs the we don't want the libxc compat
2578 * layers, regardless of what CFLAGS we may have been given.
2580 * Also, check if xengnttab_grant_copy_segment_t is defined and
2581 * grant copy operation is implemented.
2583 #undef XC_WANT_COMPAT_EVTCHN_API
2584 #undef XC_WANT_COMPAT_GNTTAB_API
2585 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2586 #include <xenctrl.h>
2587 #include <xenstore.h>
2588 #include <xenevtchn.h>
2589 #include <xengnttab.h>
2590 #include <xenforeignmemory.h>
2591 #include <stdint.h>
2592 #include <xen/hvm/hvm_info_table.h>
2593 #if !defined(HVM_MAX_VCPUS)
2594 # error HVM_MAX_VCPUS not defined
2595 #endif
2596 int main(void) {
2597 xc_interface *xc = NULL;
2598 xenforeignmemory_handle *xfmem;
2599 xenevtchn_handle *xe;
2600 xengnttab_handle *xg;
2601 xengnttab_grant_copy_segment_t* seg = NULL;
2603 xs_daemon_open();
2605 xc = xc_interface_open(0, 0, 0);
2606 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2607 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2608 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2609 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2611 xfmem = xenforeignmemory_open(0, 0);
2612 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2614 xe = xenevtchn_open(0, 0);
2615 xenevtchn_fd(xe);
2617 xg = xengnttab_open(0, 0);
2618 xengnttab_grant_copy(xg, 0, seg);
2620 return 0;
2623 compile_prog "" "$xen_libs $xen_stable_libs"
2624 then
2625 xen_ctrl_version=40800
2626 xen=enabled
2627 elif
2628 cat > $TMPC <<EOF &&
2630 * If we have stable libs the we don't want the libxc compat
2631 * layers, regardless of what CFLAGS we may have been given.
2633 #undef XC_WANT_COMPAT_EVTCHN_API
2634 #undef XC_WANT_COMPAT_GNTTAB_API
2635 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2636 #include <xenctrl.h>
2637 #include <xenstore.h>
2638 #include <xenevtchn.h>
2639 #include <xengnttab.h>
2640 #include <xenforeignmemory.h>
2641 #include <stdint.h>
2642 #include <xen/hvm/hvm_info_table.h>
2643 #if !defined(HVM_MAX_VCPUS)
2644 # error HVM_MAX_VCPUS not defined
2645 #endif
2646 int main(void) {
2647 xc_interface *xc = NULL;
2648 xenforeignmemory_handle *xfmem;
2649 xenevtchn_handle *xe;
2650 xengnttab_handle *xg;
2652 xs_daemon_open();
2654 xc = xc_interface_open(0, 0, 0);
2655 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2656 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2657 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2658 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2660 xfmem = xenforeignmemory_open(0, 0);
2661 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2663 xe = xenevtchn_open(0, 0);
2664 xenevtchn_fd(xe);
2666 xg = xengnttab_open(0, 0);
2667 xengnttab_map_grant_ref(xg, 0, 0, 0);
2669 return 0;
2672 compile_prog "" "$xen_libs $xen_stable_libs"
2673 then
2674 xen_ctrl_version=40701
2675 xen=enabled
2677 # Xen 4.6
2678 elif
2679 cat > $TMPC <<EOF &&
2680 #include <xenctrl.h>
2681 #include <xenstore.h>
2682 #include <stdint.h>
2683 #include <xen/hvm/hvm_info_table.h>
2684 #if !defined(HVM_MAX_VCPUS)
2685 # error HVM_MAX_VCPUS not defined
2686 #endif
2687 int main(void) {
2688 xc_interface *xc;
2689 xs_daemon_open();
2690 xc = xc_interface_open(0, 0, 0);
2691 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2692 xc_gnttab_open(NULL, 0);
2693 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2694 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2695 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2696 xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2697 return 0;
2700 compile_prog "" "$xen_libs"
2701 then
2702 xen_ctrl_version=40600
2703 xen=enabled
2705 # Xen 4.5
2706 elif
2707 cat > $TMPC <<EOF &&
2708 #include <xenctrl.h>
2709 #include <xenstore.h>
2710 #include <stdint.h>
2711 #include <xen/hvm/hvm_info_table.h>
2712 #if !defined(HVM_MAX_VCPUS)
2713 # error HVM_MAX_VCPUS not defined
2714 #endif
2715 int main(void) {
2716 xc_interface *xc;
2717 xs_daemon_open();
2718 xc = xc_interface_open(0, 0, 0);
2719 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2720 xc_gnttab_open(NULL, 0);
2721 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2722 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2723 xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2724 return 0;
2727 compile_prog "" "$xen_libs"
2728 then
2729 xen_ctrl_version=40500
2730 xen=enabled
2732 elif
2733 cat > $TMPC <<EOF &&
2734 #include <xenctrl.h>
2735 #include <xenstore.h>
2736 #include <stdint.h>
2737 #include <xen/hvm/hvm_info_table.h>
2738 #if !defined(HVM_MAX_VCPUS)
2739 # error HVM_MAX_VCPUS not defined
2740 #endif
2741 int main(void) {
2742 xc_interface *xc;
2743 xs_daemon_open();
2744 xc = xc_interface_open(0, 0, 0);
2745 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2746 xc_gnttab_open(NULL, 0);
2747 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2748 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2749 return 0;
2752 compile_prog "" "$xen_libs"
2753 then
2754 xen_ctrl_version=40200
2755 xen=enabled
2757 else
2758 if test "$xen" = "enabled" ; then
2759 feature_not_found "xen (unsupported version)" \
2760 "Install a supported xen (xen 4.2 or newer)"
2762 xen=disabled
2765 if test "$xen" = enabled; then
2766 if test $xen_ctrl_version -ge 40701 ; then
2767 xen_libs="$xen_libs $xen_stable_libs "
2773 ##########################################
2774 # GNUTLS probe
2776 if test "$gnutls" != "no"; then
2777 pass="no"
2778 if $pkg_config --exists "gnutls >= 3.1.18"; then
2779 gnutls_cflags=$($pkg_config --cflags gnutls)
2780 gnutls_libs=$($pkg_config --libs gnutls)
2781 # Packaging for the static libraries is not always correct.
2782 # At least ubuntu 18.04 ships only shared libraries.
2783 write_c_skeleton
2784 if compile_prog "" "$gnutls_libs" ; then
2785 pass="yes"
2788 if test "$pass" = "no" && test "$gnutls" = "yes"; then
2789 feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2790 else
2791 gnutls="$pass"
2796 # If user didn't give a --disable/enable-gcrypt flag,
2797 # then mark as disabled if user requested nettle
2798 # explicitly
2799 if test -z "$gcrypt"
2800 then
2801 if test "$nettle" = "yes"
2802 then
2803 gcrypt="no"
2807 # If user didn't give a --disable/enable-nettle flag,
2808 # then mark as disabled if user requested gcrypt
2809 # explicitly
2810 if test -z "$nettle"
2811 then
2812 if test "$gcrypt" = "yes"
2813 then
2814 nettle="no"
2818 has_libgcrypt() {
2819 if ! has "libgcrypt-config"
2820 then
2821 return 1
2824 if test -n "$cross_prefix"
2825 then
2826 host=$(libgcrypt-config --host)
2827 if test "$host-" != $cross_prefix
2828 then
2829 return 1
2833 maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2834 min=`libgcrypt-config --version | awk -F . '{print $2}'`
2836 if test $maj != 1 || test $min -lt 5
2837 then
2838 return 1
2841 return 0
2845 if test "$nettle" != "no"; then
2846 pass="no"
2847 if $pkg_config --exists "nettle >= 2.7.1"; then
2848 nettle_cflags=$($pkg_config --cflags nettle)
2849 nettle_libs=$($pkg_config --libs nettle)
2850 nettle_version=$($pkg_config --modversion nettle)
2851 # Link test to make sure the given libraries work (e.g for static).
2852 write_c_skeleton
2853 if compile_prog "" "$nettle_libs" ; then
2854 if test -z "$gcrypt"; then
2855 gcrypt="no"
2857 pass="yes"
2860 if test "$pass" = "yes"
2861 then
2862 cat > $TMPC << EOF
2863 #include <nettle/xts.h>
2864 int main(void) {
2865 return 0;
2868 if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2869 nettle_xts=yes
2870 qemu_private_xts=no
2873 if test "$pass" = "no" && test "$nettle" = "yes"; then
2874 feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2875 else
2876 nettle="$pass"
2880 if test "$gcrypt" != "no"; then
2881 pass="no"
2882 if has_libgcrypt; then
2883 gcrypt_cflags=$(libgcrypt-config --cflags)
2884 gcrypt_libs=$(libgcrypt-config --libs)
2885 # Debian has removed -lgpg-error from libgcrypt-config
2886 # as it "spreads unnecessary dependencies" which in
2887 # turn breaks static builds...
2888 if test "$static" = "yes"
2889 then
2890 gcrypt_libs="$gcrypt_libs -lgpg-error"
2893 # Link test to make sure the given libraries work (e.g for static).
2894 write_c_skeleton
2895 if compile_prog "" "$gcrypt_libs" ; then
2896 pass="yes"
2899 if test "$pass" = "yes"; then
2900 gcrypt="yes"
2901 cat > $TMPC << EOF
2902 #include <gcrypt.h>
2903 int main(void) {
2904 gcry_mac_hd_t handle;
2905 gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2906 GCRY_MAC_FLAG_SECURE, NULL);
2907 return 0;
2910 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2911 gcrypt_hmac=yes
2913 cat > $TMPC << EOF
2914 #include <gcrypt.h>
2915 int main(void) {
2916 gcry_cipher_hd_t handle;
2917 gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
2918 return 0;
2921 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2922 gcrypt_xts=yes
2923 qemu_private_xts=no
2925 elif test "$gcrypt" = "yes"; then
2926 feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
2927 else
2928 gcrypt="no"
2933 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2934 then
2935 error_exit "Only one of gcrypt & nettle can be enabled"
2938 ##########################################
2939 # libtasn1 - only for the TLS creds/session test suite
2941 tasn1=yes
2942 tasn1_cflags=""
2943 tasn1_libs=""
2944 if $pkg_config --exists "libtasn1"; then
2945 tasn1_cflags=$($pkg_config --cflags libtasn1)
2946 tasn1_libs=$($pkg_config --libs libtasn1)
2947 else
2948 tasn1=no
2952 ##########################################
2953 # PAM probe
2955 if test "$auth_pam" != "no"; then
2956 cat > $TMPC <<EOF
2957 #include <security/pam_appl.h>
2958 #include <stdio.h>
2959 int main(void) {
2960 const char *service_name = "qemu";
2961 const char *user = "frank";
2962 const struct pam_conv pam_conv = { 0 };
2963 pam_handle_t *pamh = NULL;
2964 pam_start(service_name, user, &pam_conv, &pamh);
2965 return 0;
2968 if compile_prog "" "-lpam" ; then
2969 auth_pam=yes
2970 else
2971 if test "$auth_pam" = "yes"; then
2972 feature_not_found "PAM" "Install PAM development package"
2973 else
2974 auth_pam=no
2979 ##########################################
2980 # VTE probe
2982 if test "$vte" != "no"; then
2983 vteminversion="0.32.0"
2984 if $pkg_config --exists "vte-2.91"; then
2985 vtepackage="vte-2.91"
2986 else
2987 vtepackage="vte-2.90"
2989 if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2990 vte_cflags=$($pkg_config --cflags $vtepackage)
2991 vte_libs=$($pkg_config --libs $vtepackage)
2992 vteversion=$($pkg_config --modversion $vtepackage)
2993 vte="yes"
2994 elif test "$vte" = "yes"; then
2995 feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2996 else
2997 vte="no"
3001 ##########################################
3002 # RDMA needs OpenFabrics libraries
3003 if test "$rdma" != "no" ; then
3004 cat > $TMPC <<EOF
3005 #include <rdma/rdma_cma.h>
3006 int main(void) { return 0; }
3008 rdma_libs="-lrdmacm -libverbs -libumad"
3009 if compile_prog "" "$rdma_libs" ; then
3010 rdma="yes"
3011 else
3012 if test "$rdma" = "yes" ; then
3013 error_exit \
3014 " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3015 " Your options:" \
3016 " (1) Fast: Install infiniband packages (devel) from your distro." \
3017 " (2) Cleanest: Install libraries from www.openfabrics.org" \
3018 " (3) Also: Install softiwarp if you don't have RDMA hardware"
3020 rdma="no"
3024 ##########################################
3025 # PVRDMA detection
3027 cat > $TMPC <<EOF &&
3028 #include <sys/mman.h>
3031 main(void)
3033 char buf = 0;
3034 void *addr = &buf;
3035 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3037 return 0;
3041 if test "$rdma" = "yes" ; then
3042 case "$pvrdma" in
3044 if compile_prog "" ""; then
3045 pvrdma="yes"
3046 else
3047 pvrdma="no"
3050 "yes")
3051 if ! compile_prog "" ""; then
3052 error_exit "PVRDMA is not supported since mremap is not implemented"
3054 pvrdma="yes"
3056 "no")
3057 pvrdma="no"
3059 esac
3060 else
3061 if test "$pvrdma" = "yes" ; then
3062 error_exit "PVRDMA requires rdma suppport"
3064 pvrdma="no"
3067 # Let's see if enhanced reg_mr is supported
3068 if test "$pvrdma" = "yes" ; then
3070 cat > $TMPC <<EOF &&
3071 #include <infiniband/verbs.h>
3074 main(void)
3076 struct ibv_mr *mr;
3077 struct ibv_pd *pd = NULL;
3078 size_t length = 10;
3079 uint64_t iova = 0;
3080 int access = 0;
3081 void *addr = NULL;
3083 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3085 ibv_dereg_mr(mr);
3087 return 0;
3090 if ! compile_prog "" "-libverbs"; then
3091 QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3095 ##########################################
3096 # xfsctl() probe, used for file-posix.c
3097 if test "$xfs" != "no" ; then
3098 cat > $TMPC << EOF
3099 #include <stddef.h> /* NULL */
3100 #include <xfs/xfs.h>
3101 int main(void)
3103 xfsctl(NULL, 0, 0, NULL);
3104 return 0;
3107 if compile_prog "" "" ; then
3108 xfs="yes"
3109 else
3110 if test "$xfs" = "yes" ; then
3111 feature_not_found "xfs" "Install xfsprogs/xfslibs devel"
3113 xfs=no
3117 ##########################################
3118 # vde libraries probe
3119 if test "$vde" != "no" ; then
3120 vde_libs="-lvdeplug"
3121 cat > $TMPC << EOF
3122 #include <libvdeplug.h>
3123 int main(void)
3125 struct vde_open_args a = {0, 0, 0};
3126 char s[] = "";
3127 vde_open(s, s, &a);
3128 return 0;
3131 if compile_prog "" "$vde_libs" ; then
3132 vde=yes
3133 else
3134 if test "$vde" = "yes" ; then
3135 feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3137 vde=no
3141 ##########################################
3142 # netmap support probe
3143 # Apart from looking for netmap headers, we make sure that the host API version
3144 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3145 # a minor/major version number. Minor new features will be marked with values up
3146 # to 15, and if something happens that requires a change to the backend we will
3147 # move above 15, submit the backend fixes and modify this two bounds.
3148 if test "$netmap" != "no" ; then
3149 cat > $TMPC << EOF
3150 #include <inttypes.h>
3151 #include <net/if.h>
3152 #include <net/netmap.h>
3153 #include <net/netmap_user.h>
3154 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3155 #error
3156 #endif
3157 int main(void) { return 0; }
3159 if compile_prog "" "" ; then
3160 netmap=yes
3161 else
3162 if test "$netmap" = "yes" ; then
3163 feature_not_found "netmap"
3165 netmap=no
3169 ##########################################
3170 # detect CoreAudio
3171 if test "$coreaudio" != "no" ; then
3172 coreaudio_libs="-framework CoreAudio"
3173 cat > $TMPC << EOF
3174 #include <CoreAudio/CoreAudio.h>
3175 int main(void)
3177 return (int)AudioGetCurrentHostTime();
3180 if compile_prog "" "$coreaudio_libs" ; then
3181 coreaudio=yes
3182 else
3183 coreaudio=no
3187 ##########################################
3188 # Sound support libraries probe
3190 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3191 for drv in $audio_drv_list; do
3192 case $drv in
3193 alsa | try-alsa)
3194 if $pkg_config alsa --exists; then
3195 alsa_libs=$($pkg_config alsa --libs)
3196 alsa_cflags=$($pkg_config alsa --cflags)
3197 alsa=yes
3198 if test "$drv" = "try-alsa"; then
3199 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3201 else
3202 if test "$drv" = "try-alsa"; then
3203 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3204 else
3205 error_exit "$drv check failed" \
3206 "Make sure to have the $drv libs and headers installed."
3211 pa | try-pa)
3212 if $pkg_config libpulse --exists; then
3213 libpulse=yes
3214 pulse_libs=$($pkg_config libpulse --libs)
3215 pulse_cflags=$($pkg_config libpulse --cflags)
3216 if test "$drv" = "try-pa"; then
3217 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3219 else
3220 if test "$drv" = "try-pa"; then
3221 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3222 else
3223 error_exit "$drv check failed" \
3224 "Make sure to have the $drv libs and headers installed."
3229 sdl)
3230 if test "$sdl" = "no"; then
3231 error_exit "sdl not found or disabled, can not use sdl audio driver"
3235 try-sdl)
3236 if test "$sdl" = "no"; then
3237 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3238 else
3239 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3243 coreaudio | try-coreaudio)
3244 if test "$coreaudio" = "no"; then
3245 if test "$drv" = "try-coreaudio"; then
3246 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-coreaudio//')
3247 else
3248 error_exit "$drv check failed" \
3249 "Make sure to have the $drv is available."
3251 else
3252 coreaudio_libs="-framework CoreAudio"
3253 if test "$drv" = "try-coreaudio"; then
3254 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-coreaudio/coreaudio/')
3259 dsound)
3260 dsound_libs="-lole32 -ldxguid"
3261 audio_win_int="yes"
3264 oss)
3265 oss_libs="$oss_lib"
3268 jack | try-jack)
3269 if $pkg_config jack --exists; then
3270 libjack=yes
3271 jack_libs=$($pkg_config jack --libs)
3272 if test "$drv" = "try-jack"; then
3273 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3275 else
3276 if test "$drv" = "try-jack"; then
3277 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3278 else
3279 error_exit "$drv check failed" \
3280 "Make sure to have the $drv libs and headers installed."
3286 echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3287 error_exit "Unknown driver '$drv' selected" \
3288 "Possible drivers are: $audio_possible_drivers"
3291 esac
3292 done
3294 ##########################################
3295 # glib support probe
3297 glib_req_ver=2.48
3298 glib_modules=gthread-2.0
3299 if test "$modules" = yes; then
3300 glib_modules="$glib_modules gmodule-export-2.0"
3302 if test "$plugins" = yes; then
3303 glib_modules="$glib_modules gmodule-2.0"
3306 for i in $glib_modules; do
3307 if $pkg_config --atleast-version=$glib_req_ver $i; then
3308 glib_cflags=$($pkg_config --cflags $i)
3309 glib_libs=$($pkg_config --libs $i)
3310 else
3311 error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3313 done
3315 # This workaround is required due to a bug in pkg-config file for glib as it
3316 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3318 if test "$static" = yes && test "$mingw32" = yes; then
3319 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
3322 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3323 gio_cflags=$($pkg_config --cflags gio-2.0)
3324 gio_libs=$($pkg_config --libs gio-2.0)
3325 gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3326 if [ ! -x "$gdbus_codegen" ]; then
3327 gdbus_codegen=
3329 # Check that the libraries actually work -- Ubuntu 18.04 ships
3330 # with pkg-config --static --libs data for gio-2.0 that is missing
3331 # -lblkid and will give a link error.
3332 cat > $TMPC <<EOF
3333 #include <gio/gio.h>
3334 int main(void)
3336 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
3337 return 0;
3340 if compile_prog "$gio_cflags" "$gio_libs" ; then
3341 gio=yes
3342 else
3343 gio=no
3345 else
3346 gio=no
3349 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3350 gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3351 gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3354 # Sanity check that the current size_t matches the
3355 # size that glib thinks it should be. This catches
3356 # problems on multi-arch where people try to build
3357 # 32-bit QEMU while pointing at 64-bit glib headers
3358 cat > $TMPC <<EOF
3359 #include <glib.h>
3360 #include <unistd.h>
3362 #define QEMU_BUILD_BUG_ON(x) \
3363 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3365 int main(void) {
3366 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3367 return 0;
3371 if ! compile_prog "$glib_cflags" "$glib_libs" ; then
3372 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3373 "You probably need to set PKG_CONFIG_LIBDIR"\
3374 "to point to the right pkg-config files for your"\
3375 "build target"
3378 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3379 cat > $TMPC << EOF
3380 #include <glib.h>
3381 int main(void) { return 0; }
3383 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3384 if cc_has_warning_flag "-Wno-unknown-attributes"; then
3385 glib_cflags="-Wno-unknown-attributes $glib_cflags"
3386 CONFIGURE_CFLAGS="-Wno-unknown-attributes $CONFIGURE_CFLAGS"
3390 # Silence clang warnings triggered by glib < 2.57.2
3391 cat > $TMPC << EOF
3392 #include <glib.h>
3393 typedef struct Foo {
3394 int i;
3395 } Foo;
3396 static void foo_free(Foo *f)
3398 g_free(f);
3400 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
3401 int main(void) { return 0; }
3403 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3404 if cc_has_warning_flag "-Wno-unused-function"; then
3405 glib_cflags="$glib_cflags -Wno-unused-function"
3406 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
3410 ##########################################
3411 # SHA command probe for modules
3412 if test "$modules" = yes; then
3413 shacmd_probe="sha1sum sha1 shasum"
3414 for c in $shacmd_probe; do
3415 if has $c; then
3416 shacmd="$c"
3417 break
3419 done
3420 if test "$shacmd" = ""; then
3421 error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3425 ##########################################
3426 # pthread probe
3427 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3429 pthread=no
3430 cat > $TMPC << EOF
3431 #include <pthread.h>
3432 static void *f(void *p) { return NULL; }
3433 int main(void) {
3434 pthread_t thread;
3435 pthread_create(&thread, 0, f, 0);
3436 return 0;
3439 if compile_prog "" "" ; then
3440 pthread=yes
3441 else
3442 for pthread_lib in $PTHREADLIBS_LIST; do
3443 if compile_prog "" "$pthread_lib" ; then
3444 pthread=yes
3445 break
3447 done
3450 if test "$mingw32" != yes && test "$pthread" = no; then
3451 error_exit "pthread check failed" \
3452 "Make sure to have the pthread libs and headers installed."
3455 # check for pthread_setname_np with thread id
3456 pthread_setname_np_w_tid=no
3457 cat > $TMPC << EOF
3458 #include <pthread.h>
3460 static void *f(void *p) { return NULL; }
3461 int main(void)
3463 pthread_t thread;
3464 pthread_create(&thread, 0, f, 0);
3465 pthread_setname_np(thread, "QEMU");
3466 return 0;
3469 if compile_prog "" "$pthread_lib" ; then
3470 pthread_setname_np_w_tid=yes
3473 # check for pthread_setname_np without thread id
3474 pthread_setname_np_wo_tid=no
3475 cat > $TMPC << EOF
3476 #include <pthread.h>
3478 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
3479 int main(void)
3481 pthread_t thread;
3482 pthread_create(&thread, 0, f, 0);
3483 return 0;
3486 if compile_prog "" "$pthread_lib" ; then
3487 pthread_setname_np_wo_tid=yes
3490 ##########################################
3491 # libssh probe
3492 if test "$libssh" != "no" ; then
3493 if $pkg_config --exists libssh; then
3494 libssh_cflags=$($pkg_config libssh --cflags)
3495 libssh_libs=$($pkg_config libssh --libs)
3496 libssh=yes
3497 else
3498 if test "$libssh" = "yes" ; then
3499 error_exit "libssh required for --enable-libssh"
3501 libssh=no
3505 ##########################################
3506 # Check for libssh 0.8
3507 # This is done like this instead of using the LIBSSH_VERSION_* and
3508 # SSH_VERSION_* macros because some distributions in the past shipped
3509 # snapshots of the future 0.8 from Git, and those snapshots did not
3510 # have updated version numbers (still referring to 0.7.0).
3512 if test "$libssh" = "yes"; then
3513 cat > $TMPC <<EOF
3514 #include <libssh/libssh.h>
3515 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
3517 if compile_prog "$libssh_cflags" "$libssh_libs"; then
3518 libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
3522 ##########################################
3523 # linux-aio probe
3525 if test "$linux_aio" != "no" ; then
3526 cat > $TMPC <<EOF
3527 #include <libaio.h>
3528 #include <sys/eventfd.h>
3529 #include <stddef.h>
3530 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3532 if compile_prog "" "-laio" ; then
3533 linux_aio=yes
3534 else
3535 if test "$linux_aio" = "yes" ; then
3536 feature_not_found "linux AIO" "Install libaio devel"
3538 linux_aio=no
3541 ##########################################
3542 # linux-io-uring probe
3544 if test "$linux_io_uring" != "no" ; then
3545 if $pkg_config liburing; then
3546 linux_io_uring_cflags=$($pkg_config --cflags liburing)
3547 linux_io_uring_libs=$($pkg_config --libs liburing)
3548 linux_io_uring=yes
3549 else
3550 if test "$linux_io_uring" = "yes" ; then
3551 feature_not_found "linux io_uring" "Install liburing devel"
3553 linux_io_uring=no
3557 ##########################################
3558 # TPM emulation is only on POSIX
3560 if test "$tpm" = ""; then
3561 if test "$mingw32" = "yes"; then
3562 tpm=no
3563 else
3564 tpm=yes
3566 elif test "$tpm" = "yes"; then
3567 if test "$mingw32" = "yes" ; then
3568 error_exit "TPM emulation only available on POSIX systems"
3572 ##########################################
3573 # iovec probe
3574 cat > $TMPC <<EOF
3575 #include <sys/types.h>
3576 #include <sys/uio.h>
3577 #include <unistd.h>
3578 int main(void) { return sizeof(struct iovec); }
3580 iovec=no
3581 if compile_prog "" "" ; then
3582 iovec=yes
3585 ##########################################
3586 # fdt probe
3588 case "$fdt" in
3589 auto | enabled | internal)
3590 # Simpler to always update submodule, even if not needed.
3591 if test "$git_submodules_action" != "ignore"; then
3592 git_submodules="${git_submodules} dtc"
3595 esac
3597 ##########################################
3598 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3600 gbm="no"
3601 if $pkg_config gbm; then
3602 gbm_cflags="$($pkg_config --cflags gbm)"
3603 gbm_libs="$($pkg_config --libs gbm)"
3604 gbm="yes"
3607 if test "$opengl" != "no" ; then
3608 epoxy=no
3609 if $pkg_config epoxy; then
3610 cat > $TMPC << EOF
3611 #include <epoxy/egl.h>
3612 int main(void) { return 0; }
3614 if compile_prog "" "" ; then
3615 epoxy=yes
3619 if test "$epoxy" = "yes" ; then
3620 opengl_cflags="$($pkg_config --cflags epoxy)"
3621 opengl_libs="$($pkg_config --libs epoxy)"
3622 opengl=yes
3623 else
3624 if test "$opengl" = "yes" ; then
3625 feature_not_found "opengl" "Please install epoxy with EGL"
3627 opengl_cflags=""
3628 opengl_libs=""
3629 opengl=no
3633 ##########################################
3634 # libxml2 probe
3635 if test "$libxml2" != "no" ; then
3636 if $pkg_config --exists libxml-2.0; then
3637 libxml2="yes"
3638 libxml2_cflags=$($pkg_config --cflags libxml-2.0)
3639 libxml2_libs=$($pkg_config --libs libxml-2.0)
3640 else
3641 if test "$libxml2" = "yes"; then
3642 feature_not_found "libxml2" "Install libxml2 devel"
3644 libxml2="no"
3648 # Check for inotify functions when we are building linux-user
3649 # emulator. This is done because older glibc versions don't
3650 # have syscall stubs for these implemented. In that case we
3651 # don't provide them even if kernel supports them.
3653 inotify=no
3654 cat > $TMPC << EOF
3655 #include <sys/inotify.h>
3658 main(void)
3660 /* try to start inotify */
3661 return inotify_init();
3664 if compile_prog "" "" ; then
3665 inotify=yes
3668 inotify1=no
3669 cat > $TMPC << EOF
3670 #include <sys/inotify.h>
3673 main(void)
3675 /* try to start inotify */
3676 return inotify_init1(0);
3679 if compile_prog "" "" ; then
3680 inotify1=yes
3683 # check if pipe2 is there
3684 pipe2=no
3685 cat > $TMPC << EOF
3686 #include <unistd.h>
3687 #include <fcntl.h>
3689 int main(void)
3691 int pipefd[2];
3692 return pipe2(pipefd, O_CLOEXEC);
3695 if compile_prog "" "" ; then
3696 pipe2=yes
3699 # check if accept4 is there
3700 accept4=no
3701 cat > $TMPC << EOF
3702 #include <sys/socket.h>
3703 #include <stddef.h>
3705 int main(void)
3707 accept4(0, NULL, NULL, SOCK_CLOEXEC);
3708 return 0;
3711 if compile_prog "" "" ; then
3712 accept4=yes
3715 # check if tee/splice is there. vmsplice was added same time.
3716 splice=no
3717 cat > $TMPC << EOF
3718 #include <unistd.h>
3719 #include <fcntl.h>
3720 #include <limits.h>
3722 int main(void)
3724 int len, fd = 0;
3725 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3726 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3727 return 0;
3730 if compile_prog "" "" ; then
3731 splice=yes
3734 ##########################################
3735 # libnuma probe
3737 if test "$numa" != "no" ; then
3738 cat > $TMPC << EOF
3739 #include <numa.h>
3740 int main(void) { return numa_available(); }
3743 if compile_prog "" "-lnuma" ; then
3744 numa=yes
3745 numa_libs="-lnuma"
3746 else
3747 if test "$numa" = "yes" ; then
3748 feature_not_found "numa" "install numactl devel"
3750 numa=no
3754 malloc=system
3755 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
3756 echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
3757 exit 1
3758 elif test "$tcmalloc" = "yes" ; then
3759 malloc=tcmalloc
3760 elif test "$jemalloc" = "yes" ; then
3761 malloc=jemalloc
3764 ##########################################
3765 # signalfd probe
3766 signalfd="no"
3767 cat > $TMPC << EOF
3768 #include <unistd.h>
3769 #include <sys/syscall.h>
3770 #include <signal.h>
3771 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
3774 if compile_prog "" "" ; then
3775 signalfd=yes
3778 # check if optreset global is declared by <getopt.h>
3779 optreset="no"
3780 cat > $TMPC << EOF
3781 #include <getopt.h>
3782 int main(void) { return optreset; }
3785 if compile_prog "" "" ; then
3786 optreset=yes
3789 # check if eventfd is supported
3790 eventfd=no
3791 cat > $TMPC << EOF
3792 #include <sys/eventfd.h>
3794 int main(void)
3796 return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
3799 if compile_prog "" "" ; then
3800 eventfd=yes
3803 # check if memfd is supported
3804 memfd=no
3805 cat > $TMPC << EOF
3806 #include <sys/mman.h>
3808 int main(void)
3810 return memfd_create("foo", MFD_ALLOW_SEALING);
3813 if compile_prog "" "" ; then
3814 memfd=yes
3817 # check for usbfs
3818 have_usbfs=no
3819 if test "$linux_user" = "yes"; then
3820 cat > $TMPC << EOF
3821 #include <linux/usbdevice_fs.h>
3823 #ifndef USBDEVFS_GET_CAPABILITIES
3824 #error "USBDEVFS_GET_CAPABILITIES undefined"
3825 #endif
3827 #ifndef USBDEVFS_DISCONNECT_CLAIM
3828 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
3829 #endif
3831 int main(void)
3833 return 0;
3836 if compile_prog "" ""; then
3837 have_usbfs=yes
3841 # check for fallocate
3842 fallocate=no
3843 cat > $TMPC << EOF
3844 #include <fcntl.h>
3846 int main(void)
3848 fallocate(0, 0, 0, 0);
3849 return 0;
3852 if compile_prog "" "" ; then
3853 fallocate=yes
3856 # check for fallocate hole punching
3857 fallocate_punch_hole=no
3858 cat > $TMPC << EOF
3859 #include <fcntl.h>
3860 #include <linux/falloc.h>
3862 int main(void)
3864 fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
3865 return 0;
3868 if compile_prog "" "" ; then
3869 fallocate_punch_hole=yes
3872 # check that fallocate supports range zeroing inside the file
3873 fallocate_zero_range=no
3874 cat > $TMPC << EOF
3875 #include <fcntl.h>
3876 #include <linux/falloc.h>
3878 int main(void)
3880 fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
3881 return 0;
3884 if compile_prog "" "" ; then
3885 fallocate_zero_range=yes
3888 # check for posix_fallocate
3889 posix_fallocate=no
3890 cat > $TMPC << EOF
3891 #include <fcntl.h>
3893 int main(void)
3895 posix_fallocate(0, 0, 0);
3896 return 0;
3899 if compile_prog "" "" ; then
3900 posix_fallocate=yes
3903 # check for sync_file_range
3904 sync_file_range=no
3905 cat > $TMPC << EOF
3906 #include <fcntl.h>
3908 int main(void)
3910 sync_file_range(0, 0, 0, 0);
3911 return 0;
3914 if compile_prog "" "" ; then
3915 sync_file_range=yes
3918 # check for linux/fiemap.h and FS_IOC_FIEMAP
3919 fiemap=no
3920 cat > $TMPC << EOF
3921 #include <sys/ioctl.h>
3922 #include <linux/fs.h>
3923 #include <linux/fiemap.h>
3925 int main(void)
3927 ioctl(0, FS_IOC_FIEMAP, 0);
3928 return 0;
3931 if compile_prog "" "" ; then
3932 fiemap=yes
3935 # check for dup3
3936 dup3=no
3937 cat > $TMPC << EOF
3938 #include <unistd.h>
3940 int main(void)
3942 dup3(0, 0, 0);
3943 return 0;
3946 if compile_prog "" "" ; then
3947 dup3=yes
3950 # check for ppoll support
3951 ppoll=no
3952 cat > $TMPC << EOF
3953 #include <poll.h>
3955 int main(void)
3957 struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
3958 ppoll(&pfd, 1, 0, 0);
3959 return 0;
3962 if compile_prog "" "" ; then
3963 ppoll=yes
3966 # check for prctl(PR_SET_TIMERSLACK , ... ) support
3967 prctl_pr_set_timerslack=no
3968 cat > $TMPC << EOF
3969 #include <sys/prctl.h>
3971 int main(void)
3973 prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
3974 return 0;
3977 if compile_prog "" "" ; then
3978 prctl_pr_set_timerslack=yes
3981 # check for epoll support
3982 epoll=no
3983 cat > $TMPC << EOF
3984 #include <sys/epoll.h>
3986 int main(void)
3988 epoll_create(0);
3989 return 0;
3992 if compile_prog "" "" ; then
3993 epoll=yes
3996 # epoll_create1 is a later addition
3997 # so we must check separately for its presence
3998 epoll_create1=no
3999 cat > $TMPC << EOF
4000 #include <sys/epoll.h>
4002 int main(void)
4004 /* Note that we use epoll_create1 as a value, not as
4005 * a function being called. This is necessary so that on
4006 * old SPARC glibc versions where the function was present in
4007 * the library but not declared in the header file we will
4008 * fail the configure check. (Otherwise we will get a compiler
4009 * warning but not an error, and will proceed to fail the
4010 * qemu compile where we compile with -Werror.)
4012 return (int)(uintptr_t)&epoll_create1;
4015 if compile_prog "" "" ; then
4016 epoll_create1=yes
4019 # check for sendfile support
4020 sendfile=no
4021 cat > $TMPC << EOF
4022 #include <sys/sendfile.h>
4024 int main(void)
4026 return sendfile(0, 0, 0, 0);
4029 if compile_prog "" "" ; then
4030 sendfile=yes
4033 # check for timerfd support (glibc 2.8 and newer)
4034 timerfd=no
4035 cat > $TMPC << EOF
4036 #include <sys/timerfd.h>
4038 int main(void)
4040 return(timerfd_create(CLOCK_REALTIME, 0));
4043 if compile_prog "" "" ; then
4044 timerfd=yes
4047 # check for setns and unshare support
4048 setns=no
4049 cat > $TMPC << EOF
4050 #include <sched.h>
4052 int main(void)
4054 int ret;
4055 ret = setns(0, 0);
4056 ret = unshare(0);
4057 return ret;
4060 if compile_prog "" "" ; then
4061 setns=yes
4064 # clock_adjtime probe
4065 clock_adjtime=no
4066 cat > $TMPC <<EOF
4067 #include <time.h>
4068 #include <sys/timex.h>
4070 int main(void)
4072 return clock_adjtime(0, 0);
4075 clock_adjtime=no
4076 if compile_prog "" "" ; then
4077 clock_adjtime=yes
4080 # syncfs probe
4081 syncfs=no
4082 cat > $TMPC <<EOF
4083 #include <unistd.h>
4085 int main(void)
4087 return syncfs(0);
4090 syncfs=no
4091 if compile_prog "" "" ; then
4092 syncfs=yes
4095 # Search for bswap_32 function
4096 byteswap_h=no
4097 cat > $TMPC << EOF
4098 #include <byteswap.h>
4099 int main(void) { return bswap_32(0); }
4101 if compile_prog "" "" ; then
4102 byteswap_h=yes
4105 # Search for bswap32 function
4106 bswap_h=no
4107 cat > $TMPC << EOF
4108 #include <sys/endian.h>
4109 #include <sys/types.h>
4110 #include <machine/bswap.h>
4111 int main(void) { return bswap32(0); }
4113 if compile_prog "" "" ; then
4114 bswap_h=yes
4117 # Check whether we have openpty() in either libc or libutil
4118 cat > $TMPC << EOF
4119 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4120 int main(void) { return openpty(0, 0, 0, 0, 0); }
4123 have_openpty="no"
4124 if compile_prog "" "" ; then
4125 have_openpty="yes"
4126 else
4127 if compile_prog "" "-lutil" ; then
4128 have_openpty="yes"
4132 ##########################################
4133 # spice probe
4134 if test "$spice" != "no" ; then
4135 cat > $TMPC << EOF
4136 #include <spice.h>
4137 int main(void) { spice_server_new(); return 0; }
4139 spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4140 spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4141 if $pkg_config --atleast-version=0.12.5 spice-server && \
4142 $pkg_config --atleast-version=0.12.3 spice-protocol && \
4143 compile_prog "$spice_cflags" "$spice_libs" ; then
4144 spice="yes"
4145 else
4146 if test "$spice" = "yes" ; then
4147 feature_not_found "spice" \
4148 "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4150 spice="no"
4154 # check for smartcard support
4155 if test "$smartcard" != "no"; then
4156 if $pkg_config --atleast-version=2.5.1 libcacard; then
4157 libcacard_cflags=$($pkg_config --cflags libcacard)
4158 libcacard_libs=$($pkg_config --libs libcacard)
4159 smartcard="yes"
4160 else
4161 if test "$smartcard" = "yes"; then
4162 feature_not_found "smartcard" "Install libcacard devel"
4164 smartcard="no"
4168 # check for libusb
4169 if test "$libusb" != "no" ; then
4170 if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4171 libusb="yes"
4172 libusb_cflags=$($pkg_config --cflags libusb-1.0)
4173 libusb_libs=$($pkg_config --libs libusb-1.0)
4174 else
4175 if test "$libusb" = "yes"; then
4176 feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4178 libusb="no"
4182 # check for usbredirparser for usb network redirection support
4183 if test "$usb_redir" != "no" ; then
4184 if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4185 usb_redir="yes"
4186 usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4187 usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4188 else
4189 if test "$usb_redir" = "yes"; then
4190 feature_not_found "usb-redir" "Install usbredir devel"
4192 usb_redir="no"
4196 ##########################################
4197 # check if we have VSS SDK headers for win
4199 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4200 test "$vss_win32_sdk" != "no" ; then
4201 case "$vss_win32_sdk" in
4202 "") vss_win32_include="-isystem $source_path" ;;
4203 *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4204 # handle path with spaces. So we symlink the headers into ".sdk/vss".
4205 vss_win32_include="-isystem $source_path/.sdk/vss"
4206 symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4208 *) vss_win32_include="-isystem $vss_win32_sdk"
4209 esac
4210 cat > $TMPC << EOF
4211 #define __MIDL_user_allocate_free_DEFINED__
4212 #include <inc/win2003/vss.h>
4213 int main(void) { return VSS_CTX_BACKUP; }
4215 if compile_prog "$vss_win32_include" "" ; then
4216 guest_agent_with_vss="yes"
4217 QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4218 libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4219 qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4220 else
4221 if test "$vss_win32_sdk" != "" ; then
4222 echo "ERROR: Please download and install Microsoft VSS SDK:"
4223 echo "ERROR: http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4224 echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4225 echo "ERROR: scripts/extract-vsssdk-headers setup.exe"
4226 echo "ERROR: The headers are extracted in the directory \`inc'."
4227 feature_not_found "VSS support"
4229 guest_agent_with_vss="no"
4233 ##########################################
4234 # lookup Windows platform SDK (if not specified)
4235 # The SDK is needed only to build .tlb (type library) file of guest agent
4236 # VSS provider from the source. It is usually unnecessary because the
4237 # pre-compiled .tlb file is included.
4239 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4240 test "$guest_agent_with_vss" = "yes" ; then
4241 if test -z "$win_sdk"; then
4242 programfiles="$PROGRAMFILES"
4243 test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4244 if test -n "$programfiles"; then
4245 win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4246 else
4247 feature_not_found "Windows SDK"
4249 elif test "$win_sdk" = "no"; then
4250 win_sdk=""
4254 ##########################################
4255 # check if mingw environment provides a recent ntddscsi.h
4256 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4257 cat > $TMPC << EOF
4258 #include <windows.h>
4259 #include <ntddscsi.h>
4260 int main(void) {
4261 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4262 #error Missing required ioctl definitions
4263 #endif
4264 SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4265 return addr.Lun;
4268 if compile_prog "" "" ; then
4269 guest_agent_ntddscsi=yes
4270 libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
4274 ##########################################
4275 # virgl renderer probe
4277 if test "$virglrenderer" != "no" ; then
4278 cat > $TMPC << EOF
4279 #include <virglrenderer.h>
4280 int main(void) { virgl_renderer_poll(); return 0; }
4282 virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4283 virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4284 virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
4285 if $pkg_config virglrenderer >/dev/null 2>&1 && \
4286 compile_prog "$virgl_cflags" "$virgl_libs" ; then
4287 virglrenderer="yes"
4288 else
4289 if test "$virglrenderer" = "yes" ; then
4290 feature_not_found "virglrenderer"
4292 virglrenderer="no"
4296 ##########################################
4297 # capstone
4299 case "$capstone" in
4300 auto | enabled | internal)
4301 # Simpler to always update submodule, even if not needed.
4302 if test "$git_submodules_action" != "ignore"; then
4303 git_submodules="${git_submodules} capstone"
4306 esac
4308 ##########################################
4309 # check if we have fdatasync
4311 fdatasync=no
4312 cat > $TMPC << EOF
4313 #include <unistd.h>
4314 int main(void) {
4315 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4316 return fdatasync(0);
4317 #else
4318 #error Not supported
4319 #endif
4322 if compile_prog "" "" ; then
4323 fdatasync=yes
4326 ##########################################
4327 # check if we have madvise
4329 madvise=no
4330 cat > $TMPC << EOF
4331 #include <sys/types.h>
4332 #include <sys/mman.h>
4333 #include <stddef.h>
4334 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4336 if compile_prog "" "" ; then
4337 madvise=yes
4340 ##########################################
4341 # check if we have posix_madvise
4343 posix_madvise=no
4344 cat > $TMPC << EOF
4345 #include <sys/mman.h>
4346 #include <stddef.h>
4347 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4349 if compile_prog "" "" ; then
4350 posix_madvise=yes
4353 ##########################################
4354 # check if we have posix_memalign()
4356 posix_memalign=no
4357 cat > $TMPC << EOF
4358 #include <stdlib.h>
4359 int main(void) {
4360 void *p;
4361 return posix_memalign(&p, 8, 8);
4364 if compile_prog "" "" ; then
4365 posix_memalign=yes
4368 ##########################################
4369 # check if we have posix_syslog
4371 posix_syslog=no
4372 cat > $TMPC << EOF
4373 #include <syslog.h>
4374 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4376 if compile_prog "" "" ; then
4377 posix_syslog=yes
4380 ##########################################
4381 # check if we have sem_timedwait
4383 sem_timedwait=no
4384 cat > $TMPC << EOF
4385 #include <semaphore.h>
4386 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
4388 if compile_prog "" "" ; then
4389 sem_timedwait=yes
4392 ##########################################
4393 # check if we have strchrnul
4395 strchrnul=no
4396 cat > $TMPC << EOF
4397 #include <string.h>
4398 int main(void);
4399 // Use a haystack that the compiler shouldn't be able to constant fold
4400 char *haystack = (char*)&main;
4401 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
4403 if compile_prog "" "" ; then
4404 strchrnul=yes