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check-block: enable iotests with cfi-icall
[mirror_qemu.git] / configure
1 #!/bin/sh
2 #
3 # qemu configure script (c) 2003 Fabrice Bellard
4 #
5
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
10
11 # Don't allow CCACHE, if present, to use cached results of compile tests!
12 export CCACHE_RECACHE=yes
13
14 # make source path absolute
15 source_path=$(cd "$(dirname -- "$0")"; pwd)
16
17 if test "$PWD" = "$source_path"
18 then
19 echo "Using './build' as the directory for build output"
20
21 MARKER=build/auto-created-by-configure
22
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
31 fi
32 fi
33
34 mkdir build
35 touch $MARKER
36
37 cat > GNUmakefile <<'EOF'
38 # This file is auto-generated by configure to support in-source tree
39 # 'make' command invocation
40
41 ifeq ($(MAKECMDGOALS),)
42 recurse: all
43 endif
44
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 ; \
53 fi
54 force: ;
55 .PHONY: force
56 GNUmakefile: ;
57
58 EOF
59 cd build
60 exec $source_path/configure "$@"
61 fi
62
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 [ $? -ne 0 ]; then
72 echo "ERROR: failed to create temporary directory"
73 exit 1
74 fi
75
76 TMPB="qemu-conf"
77 TMPC="${TMPDIR1}/${TMPB}.c"
78 TMPO="${TMPDIR1}/${TMPB}.o"
79 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
80 TMPE="${TMPDIR1}/${TMPB}.exe"
81 TMPTXT="${TMPDIR1}/${TMPB}.txt"
82
83 rm -f config.log
84
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
91
92 print_error() {
93 (echo
94 echo "ERROR: $1"
95 while test -n "$2"; do
96 echo " $2"
97 shift
98 done
99 echo) >&2
100 }
101
102 error_exit() {
103 print_error "$@"
104 exit 1
105 }
106
107 do_compiler() {
108 # Run the compiler, capturing its output to the log. First argument
109 # is compiler binary to execute.
110 local compiler="$1"
111 shift
112 if test -n "$BASH_VERSION"; then eval '
113 echo >>config.log "
114 funcs: ${FUNCNAME[*]}
115 lines: ${BASH_LINENO[*]}"
116 '; fi
117 echo $compiler "$@" >> config.log
118 $compiler "$@" >> config.log 2>&1 || return $?
119 # Test passed. If this is an --enable-werror build, rerun
120 # the test with -Werror and bail out if it fails. This
121 # makes warning-generating-errors in configure test code
122 # obvious to developers.
123 if test "$werror" != "yes"; then
124 return 0
125 fi
126 # Don't bother rerunning the compile if we were already using -Werror
127 case "$*" in
128 *-Werror*)
129 return 0
130 ;;
131 esac
132 echo $compiler -Werror "$@" >> config.log
133 $compiler -Werror "$@" >> config.log 2>&1 && return $?
134 error_exit "configure test passed without -Werror but failed with -Werror." \
135 "This is probably a bug in the configure script. The failing command" \
136 "will be at the bottom of config.log." \
137 "You can run configure with --disable-werror to bypass this check."
138 }
139
140 do_cc() {
141 do_compiler "$cc" "$@"
142 }
143
144 do_cxx() {
145 do_compiler "$cxx" "$@"
146 }
147
148 # Append $2 to the variable named $1, with space separation
149 add_to() {
150 eval $1=\${$1:+\"\$$1 \"}\$2
151 }
152
153 update_cxxflags() {
154 # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
155 # options which some versions of GCC's C++ compiler complain about
156 # because they only make sense for C programs.
157 QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
158 CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu99/-std=gnu++11/)
159 for arg in $QEMU_CFLAGS; do
160 case $arg in
161 -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
162 -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
163 ;;
164 *)
165 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
166 ;;
167 esac
168 done
169 }
170
171 compile_object() {
172 local_cflags="$1"
173 do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
174 }
175
176 compile_prog() {
177 local_cflags="$1"
178 local_ldflags="$2"
179 do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \
180 $LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags
181 }
182
183 # symbolically link $1 to $2. Portable version of "ln -sf".
184 symlink() {
185 rm -rf "$2"
186 mkdir -p "$(dirname "$2")"
187 ln -s "$1" "$2"
188 }
189
190 # check whether a command is available to this shell (may be either an
191 # executable or a builtin)
192 has() {
193 type "$1" >/dev/null 2>&1
194 }
195
196 version_ge () {
197 local_ver1=`echo $1 | tr . ' '`
198 local_ver2=`echo $2 | tr . ' '`
199 while true; do
200 set x $local_ver1
201 local_first=${2-0}
202 # 'shift 2' if $2 is set, or 'shift' if $2 is not set
203 shift ${2:+2}
204 local_ver1=$*
205 set x $local_ver2
206 # the second argument finished, the first must be greater or equal
207 test $# = 1 && return 0
208 test $local_first -lt $2 && return 1
209 test $local_first -gt $2 && return 0
210 shift ${2:+2}
211 local_ver2=$*
212 done
213 }
214
215 have_backend () {
216 echo "$trace_backends" | grep "$1" >/dev/null
217 }
218
219 glob() {
220 eval test -z '"${1#'"$2"'}"'
221 }
222
223 ld_has() {
224 $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
225 }
226
227 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
228 then
229 error_exit "main directory cannot contain spaces nor colons"
230 fi
231
232 # default parameters
233 cpu=""
234 iasl="iasl"
235 interp_prefix="/usr/gnemul/qemu-%M"
236 static="no"
237 cross_prefix=""
238 audio_drv_list=""
239 block_drv_rw_whitelist=""
240 block_drv_ro_whitelist=""
241 host_cc="cc"
242 audio_win_int=""
243 libs_qga=""
244 debug_info="yes"
245 lto="false"
246 stack_protector=""
247 safe_stack=""
248 use_containers="yes"
249 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
250
251 if test -e "$source_path/.git"
252 then
253 git_update=yes
254 git_submodules="ui/keycodemapdb"
255 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
256 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
257 else
258 git_update=no
259 git_submodules=""
260
261 if ! test -f "$source_path/ui/keycodemapdb/README"
262 then
263 echo
264 echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
265 echo
266 echo "This is not a GIT checkout but module content appears to"
267 echo "be missing. Do not use 'git archive' or GitHub download links"
268 echo "to acquire QEMU source archives. Non-GIT builds are only"
269 echo "supported with source archives linked from:"
270 echo
271 echo " https://www.qemu.org/download/#source"
272 echo
273 echo "Developers working with GIT can use scripts/archive-source.sh"
274 echo "if they need to create valid source archives."
275 echo
276 exit 1
277 fi
278 fi
279 git="git"
280
281 # Don't accept a target_list environment variable.
282 unset target_list
283 unset target_list_exclude
284
285 # Default value for a variable defining feature "foo".
286 # * foo="no" feature will only be used if --enable-foo arg is given
287 # * foo="" feature will be searched for, and if found, will be used
288 # unless --disable-foo is given
289 # * foo="yes" this value will only be set by --enable-foo flag.
290 # feature will searched for,
291 # if not found, configure exits with error
292 #
293 # Always add --enable-foo and --disable-foo command line args.
294 # Distributions want to ensure that several features are compiled in, and it
295 # is impossible without a --enable-foo that exits if a feature is not found.
296
297 default_feature=""
298 # parse CC options second
299 for opt do
300 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
301 case "$opt" in
302 --without-default-features)
303 default_feature="no"
304 ;;
305 esac
306 done
307
308 brlapi="$default_feature"
309 curl="$default_feature"
310 iconv="auto"
311 curses="auto"
312 docs="auto"
313 fdt="auto"
314 netmap="no"
315 sdl="auto"
316 sdl_image="auto"
317 virtiofsd="auto"
318 virtfs="$default_feature"
319 libudev="auto"
320 mpath="auto"
321 vnc="enabled"
322 sparse="auto"
323 vde="$default_feature"
324 vnc_sasl="auto"
325 vnc_jpeg="auto"
326 vnc_png="auto"
327 xkbcommon="auto"
328 xen="$default_feature"
329 xen_ctrl_version="$default_feature"
330 xen_pci_passthrough="auto"
331 linux_aio="$default_feature"
332 linux_io_uring="$default_feature"
333 cap_ng="$default_feature"
334 attr="$default_feature"
335 libattr="$default_feature"
336 xfs="$default_feature"
337 tcg="enabled"
338 membarrier="$default_feature"
339 vhost_net="$default_feature"
340 vhost_crypto="$default_feature"
341 vhost_scsi="$default_feature"
342 vhost_vsock="$default_feature"
343 vhost_user="no"
344 vhost_user_blk_server="auto"
345 vhost_user_fs="$default_feature"
346 kvm="auto"
347 hax="auto"
348 hvf="auto"
349 whpx="auto"
350 rdma="$default_feature"
351 pvrdma="$default_feature"
352 gprof="no"
353 debug_tcg="no"
354 debug="no"
355 sanitizers="no"
356 tsan="no"
357 fortify_source="$default_feature"
358 strip_opt="yes"
359 tcg_interpreter="no"
360 bigendian="no"
361 mingw32="no"
362 gcov="no"
363 EXESUF="$default_feature"
364 HOST_DSOSUF=".so"
365 modules="no"
366 module_upgrades="no"
367 prefix="/usr/local"
368 qemu_suffix="qemu"
369 slirp="auto"
370 oss_lib=""
371 bsd="no"
372 linux="no"
373 solaris="no"
374 profiler="no"
375 cocoa="auto"
376 softmmu="yes"
377 linux_user="no"
378 bsd_user="no"
379 blobs="true"
380 pkgversion=""
381 pie=""
382 qom_cast_debug="yes"
383 trace_backends="log"
384 trace_file="trace"
385 spice="$default_feature"
386 rbd="$default_feature"
387 smartcard="$default_feature"
388 u2f="auto"
389 libusb="$default_feature"
390 usb_redir="$default_feature"
391 opengl="$default_feature"
392 opengl_dmabuf="no"
393 cpuid_h="no"
394 avx2_opt="$default_feature"
395 capstone="auto"
396 lzo="$default_feature"
397 snappy="$default_feature"
398 bzip2="$default_feature"
399 lzfse="$default_feature"
400 zstd="$default_feature"
401 guest_agent="$default_feature"
402 guest_agent_with_vss="no"
403 guest_agent_ntddscsi="no"
404 guest_agent_msi="$default_feature"
405 vss_win32_sdk="$default_feature"
406 win_sdk="no"
407 want_tools="$default_feature"
408 libiscsi="$default_feature"
409 libnfs="$default_feature"
410 coroutine=""
411 coroutine_pool="$default_feature"
412 debug_stack_usage="no"
413 crypto_afalg="no"
414 seccomp="$default_feature"
415 glusterfs="$default_feature"
416 glusterfs_xlator_opt="no"
417 glusterfs_discard="no"
418 glusterfs_fallocate="no"
419 glusterfs_zerofill="no"
420 glusterfs_ftruncate_has_stat="no"
421 glusterfs_iocb_has_stat="no"
422 gtk="$default_feature"
423 gtk_gl="no"
424 tls_priority="NORMAL"
425 gnutls="$default_feature"
426 nettle="$default_feature"
427 nettle_xts="no"
428 gcrypt="$default_feature"
429 gcrypt_hmac="no"
430 gcrypt_xts="no"
431 qemu_private_xts="yes"
432 auth_pam="$default_feature"
433 vte="$default_feature"
434 virglrenderer="$default_feature"
435 tpm="$default_feature"
436 libssh="$default_feature"
437 live_block_migration=${default_feature:-yes}
438 numa="$default_feature"
439 tcmalloc="no"
440 jemalloc="no"
441 replication=${default_feature:-yes}
442 bochs=${default_feature:-yes}
443 cloop=${default_feature:-yes}
444 dmg=${default_feature:-yes}
445 qcow1=${default_feature:-yes}
446 vdi=${default_feature:-yes}
447 vvfat=${default_feature:-yes}
448 qed=${default_feature:-yes}
449 parallels=${default_feature:-yes}
450 sheepdog="no"
451 libxml2="$default_feature"
452 debug_mutex="no"
453 libpmem="$default_feature"
454 default_devices="yes"
455 plugins="no"
456 fuzzing="no"
457 rng_none="no"
458 secret_keyring="$default_feature"
459 libdaxctl="$default_feature"
460 meson=""
461 ninja=""
462 skip_meson=no
463 gettext="auto"
464 fuse="auto"
465 fuse_lseek="auto"
466
467 bogus_os="no"
468 malloc_trim="auto"
469
470 # parse CC options second
471 for opt do
472 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
473 case "$opt" in
474 --cross-prefix=*) cross_prefix="$optarg"
475 ;;
476 --cc=*) CC="$optarg"
477 ;;
478 --cxx=*) CXX="$optarg"
479 ;;
480 --cpu=*) cpu="$optarg"
481 ;;
482 --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
483 QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
484 ;;
485 --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
486 ;;
487 --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
488 EXTRA_LDFLAGS="$optarg"
489 ;;
490 --enable-debug-info) debug_info="yes"
491 ;;
492 --disable-debug-info) debug_info="no"
493 ;;
494 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
495 ;;
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_${cc_arch}"
499 ;;
500 --cross-cc-*) cc_arch=${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}"
504 ;;
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.
510
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}"
519 fi
520
521 if test -z "${CXX}${cross_prefix}"; then
522 cxx="c++"
523 else
524 cxx="${CXX-${cross_prefix}g++}"
525 fi
526
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}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
540 }
541 pkg_config=query_pkg_config
542 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
543
544 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
545 ARFLAGS="${ARFLAGS-rv}"
546
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"
556
557 # Flags that are needed during configure but later taken care of by Meson
558 CONFIGURE_CFLAGS="-std=gnu99 -Wall"
559 CONFIGURE_LDFLAGS=
560
561
562 check_define() {
563 cat > $TMPC <<EOF
564 #if !defined($1)
565 #error $1 not defined
566 #endif
567 int main(void) { return 0; }
568 EOF
569 compile_object
570 }
571
572 check_include() {
573 cat > $TMPC <<EOF
574 #include <$1>
575 int main(void) { return 0; }
576 EOF
577 compile_object
578 }
579
580 write_c_skeleton() {
581 cat > $TMPC <<EOF
582 int main(void) { return 0; }
583 EOF
584 }
585
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; }
592 EOF
593 }
594
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'
620 bogus_os='yes'
621 fi
622
623 # Some host OSes need non-standard checks for which CPU to use.
624 # Note that these checks are broken for cross-compilation: if you're
625 # cross-compiling to one of these OSes then you'll need to specify
626 # the correct CPU with the --cpu option.
627 case $targetos in
628 Darwin)
629 # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
630 # run 64-bit userspace code.
631 # If the user didn't specify a CPU explicitly and the kernel says this is
632 # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
633 if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
634 cpu="x86_64"
635 fi
636 HOST_DSOSUF=".dylib"
637 ;;
638 SunOS)
639 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
640 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
641 cpu="x86_64"
642 fi
643 esac
644
645 if test ! -z "$cpu" ; then
646 # command line argument
647 :
648 elif check_define __i386__ ; then
649 cpu="i386"
650 elif check_define __x86_64__ ; then
651 if check_define __ILP32__ ; then
652 cpu="x32"
653 else
654 cpu="x86_64"
655 fi
656 elif check_define __sparc__ ; then
657 if check_define __arch64__ ; then
658 cpu="sparc64"
659 else
660 cpu="sparc"
661 fi
662 elif check_define _ARCH_PPC ; then
663 if check_define _ARCH_PPC64 ; then
664 if check_define _LITTLE_ENDIAN ; then
665 cpu="ppc64le"
666 else
667 cpu="ppc64"
668 fi
669 else
670 cpu="ppc"
671 fi
672 elif check_define __mips__ ; then
673 cpu="mips"
674 elif check_define __s390__ ; then
675 if check_define __s390x__ ; then
676 cpu="s390x"
677 else
678 cpu="s390"
679 fi
680 elif check_define __riscv ; then
681 if check_define _LP64 ; then
682 cpu="riscv64"
683 else
684 cpu="riscv32"
685 fi
686 elif check_define __arm__ ; then
687 cpu="arm"
688 elif check_define __aarch64__ ; then
689 cpu="aarch64"
690 else
691 cpu=$(uname -m)
692 fi
693
694 ARCH=
695 # Normalise host CPU name and set ARCH.
696 # Note that this case should only have supported host CPUs, not guests.
697 case "$cpu" in
698 ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
699 ;;
700 ppc64le)
701 ARCH="ppc64"
702 ;;
703 i386|i486|i586|i686|i86pc|BePC)
704 cpu="i386"
705 ;;
706 x86_64|amd64)
707 cpu="x86_64"
708 ;;
709 armv*b|armv*l|arm)
710 cpu="arm"
711 ;;
712 aarch64)
713 cpu="aarch64"
714 ;;
715 mips*)
716 cpu="mips"
717 ;;
718 sparc|sun4[cdmuv])
719 cpu="sparc"
720 ;;
721 *)
722 # This will result in either an error or falling back to TCI later
723 ARCH=unknown
724 ;;
725 esac
726 if test -z "$ARCH"; then
727 ARCH="$cpu"
728 fi
729
730 # OS specific
731
732 case $targetos in
733 MINGW32*)
734 mingw32="yes"
735 audio_possible_drivers="dsound sdl"
736 if check_include dsound.h; then
737 audio_drv_list="dsound"
738 else
739 audio_drv_list=""
740 fi
741 supported_os="yes"
742 pie="no"
743 ;;
744 GNU/kFreeBSD)
745 bsd="yes"
746 audio_drv_list="oss try-sdl"
747 audio_possible_drivers="oss sdl pa"
748 ;;
749 FreeBSD)
750 bsd="yes"
751 make="${MAKE-gmake}"
752 audio_drv_list="oss try-sdl"
753 audio_possible_drivers="oss sdl pa"
754 # needed for kinfo_getvmmap(3) in libutil.h
755 netmap="" # enable netmap autodetect
756 ;;
757 DragonFly)
758 bsd="yes"
759 make="${MAKE-gmake}"
760 audio_drv_list="oss try-sdl"
761 audio_possible_drivers="oss sdl pa"
762 ;;
763 NetBSD)
764 bsd="yes"
765 make="${MAKE-gmake}"
766 audio_drv_list="oss try-sdl"
767 audio_possible_drivers="oss sdl"
768 oss_lib="-lossaudio"
769 ;;
770 OpenBSD)
771 bsd="yes"
772 make="${MAKE-gmake}"
773 audio_drv_list="try-sdl"
774 audio_possible_drivers="sdl"
775 ;;
776 Darwin)
777 bsd="yes"
778 darwin="yes"
779 if [ "$cpu" = "x86_64" ] ; then
780 QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
781 QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
782 fi
783 cocoa="enabled"
784 audio_drv_list="coreaudio try-sdl"
785 audio_possible_drivers="coreaudio sdl"
786 QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
787 # Disable attempts to use ObjectiveC features in os/object.h since they
788 # won't work when we're compiling with gcc as a C compiler.
789 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
790 ;;
791 SunOS)
792 solaris="yes"
793 make="${MAKE-gmake}"
794 smbd="${SMBD-/usr/sfw/sbin/smbd}"
795 if test -f /usr/include/sys/soundcard.h ; then
796 audio_drv_list="oss try-sdl"
797 fi
798 audio_possible_drivers="oss sdl"
799 # needed for CMSG_ macros in sys/socket.h
800 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
801 # needed for TIOCWIN* defines in termios.h
802 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
803 ;;
804 Haiku)
805 haiku="yes"
806 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE $QEMU_CFLAGS"
807 ;;
808 Linux)
809 audio_drv_list="try-pa oss"
810 audio_possible_drivers="oss alsa sdl pa"
811 linux="yes"
812 linux_user="yes"
813 vhost_user=${default_feature:-yes}
814 ;;
815 esac
816
817 if [ "$bsd" = "yes" ] ; then
818 if [ "$darwin" != "yes" ] ; then
819 bsd_user="yes"
820 fi
821 fi
822
823 : ${make=${MAKE-make}}
824
825 # We prefer python 3.x. A bare 'python' is traditionally
826 # python 2.x, but some distros have it as python 3.x, so
827 # we check that too
828 python=
829 explicit_python=no
830 for binary in "${PYTHON-python3}" python
831 do
832 if has "$binary"
833 then
834 python=$(command -v "$binary")
835 break
836 fi
837 done
838
839
840 # Check for ancillary tools used in testing
841 genisoimage=
842 for binary in genisoimage mkisofs
843 do
844 if has $binary
845 then
846 genisoimage=$(command -v "$binary")
847 break
848 fi
849 done
850
851 : ${smbd=${SMBD-/usr/sbin/smbd}}
852
853 # Default objcc to clang if available, otherwise use CC
854 if has clang; then
855 objcc=clang
856 else
857 objcc="$cc"
858 fi
859
860 if test "$mingw32" = "yes" ; then
861 EXESUF=".exe"
862 HOST_DSOSUF=".dll"
863 # MinGW needs -mthreads for TLS and macro _MT.
864 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
865 write_c_skeleton;
866 prefix="/qemu"
867 qemu_suffix=""
868 libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
869 fi
870
871 werror=""
872
873 for opt do
874 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
875 case "$opt" in
876 --help|-h) show_help=yes
877 ;;
878 --version|-V) exec cat $source_path/VERSION
879 ;;
880 --prefix=*) prefix="$optarg"
881 ;;
882 --interp-prefix=*) interp_prefix="$optarg"
883 ;;
884 --cross-prefix=*)
885 ;;
886 --cc=*)
887 ;;
888 --host-cc=*) host_cc="$optarg"
889 ;;
890 --cxx=*)
891 ;;
892 --iasl=*) iasl="$optarg"
893 ;;
894 --objcc=*) objcc="$optarg"
895 ;;
896 --make=*) make="$optarg"
897 ;;
898 --install=*)
899 ;;
900 --python=*) python="$optarg" ; explicit_python=yes
901 ;;
902 --sphinx-build=*) sphinx_build="$optarg"
903 ;;
904 --skip-meson) skip_meson=yes
905 ;;
906 --meson=*) meson="$optarg"
907 ;;
908 --ninja=*) ninja="$optarg"
909 ;;
910 --smbd=*) smbd="$optarg"
911 ;;
912 --extra-cflags=*)
913 ;;
914 --extra-cxxflags=*)
915 ;;
916 --extra-ldflags=*)
917 ;;
918 --enable-debug-info)
919 ;;
920 --disable-debug-info)
921 ;;
922 --cross-cc-*)
923 ;;
924 --enable-modules)
925 modules="yes"
926 ;;
927 --disable-modules)
928 modules="no"
929 ;;
930 --disable-module-upgrades) module_upgrades="no"
931 ;;
932 --enable-module-upgrades) module_upgrades="yes"
933 ;;
934 --cpu=*)
935 ;;
936 --target-list=*) target_list="$optarg"
937 if test "$target_list_exclude"; then
938 error_exit "Can't mix --target-list with --target-list-exclude"
939 fi
940 ;;
941 --target-list-exclude=*) target_list_exclude="$optarg"
942 if test "$target_list"; then
943 error_exit "Can't mix --target-list-exclude with --target-list"
944 fi
945 ;;
946 --enable-trace-backends=*) trace_backends="$optarg"
947 ;;
948 # XXX: backwards compatibility
949 --enable-trace-backend=*) trace_backends="$optarg"
950 ;;
951 --with-trace-file=*) trace_file="$optarg"
952 ;;
953 --with-default-devices) default_devices="yes"
954 ;;
955 --without-default-devices) default_devices="no"
956 ;;
957 --without-default-features) # processed above
958 ;;
959 --enable-gprof) gprof="yes"
960 ;;
961 --enable-gcov) gcov="yes"
962 ;;
963 --static)
964 static="yes"
965 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
966 ;;
967 --mandir=*) mandir="$optarg"
968 ;;
969 --bindir=*) bindir="$optarg"
970 ;;
971 --libdir=*) libdir="$optarg"
972 ;;
973 --libexecdir=*) libexecdir="$optarg"
974 ;;
975 --includedir=*) includedir="$optarg"
976 ;;
977 --datadir=*) datadir="$optarg"
978 ;;
979 --with-suffix=*) qemu_suffix="$optarg"
980 ;;
981 --docdir=*) docdir="$optarg"
982 ;;
983 --localedir=*) localedir="$optarg"
984 ;;
985 --sysconfdir=*) sysconfdir="$optarg"
986 ;;
987 --localstatedir=*) local_statedir="$optarg"
988 ;;
989 --firmwarepath=*) firmwarepath="$optarg"
990 ;;
991 --host=*|--build=*|\
992 --disable-dependency-tracking|\
993 --sbindir=*|--sharedstatedir=*|\
994 --oldincludedir=*|--datarootdir=*|--infodir=*|\
995 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
996 # These switches are silently ignored, for compatibility with
997 # autoconf-generated configure scripts. This allows QEMU's
998 # configure to be used by RPM and similar macros that set
999 # lots of directory switches by default.
1000 ;;
1001 --disable-sdl) sdl="disabled"
1002 ;;
1003 --enable-sdl) sdl="enabled"
1004 ;;
1005 --disable-sdl-image) sdl_image="disabled"
1006 ;;
1007 --enable-sdl-image) sdl_image="enabled"
1008 ;;
1009 --disable-qom-cast-debug) qom_cast_debug="no"
1010 ;;
1011 --enable-qom-cast-debug) qom_cast_debug="yes"
1012 ;;
1013 --disable-virtfs) virtfs="no"
1014 ;;
1015 --enable-virtfs) virtfs="yes"
1016 ;;
1017 --disable-libudev) libudev="disabled"
1018 ;;
1019 --enable-libudev) libudev="enabled"
1020 ;;
1021 --disable-virtiofsd) virtiofsd="disabled"
1022 ;;
1023 --enable-virtiofsd) virtiofsd="enabled"
1024 ;;
1025 --disable-mpath) mpath="disabled"
1026 ;;
1027 --enable-mpath) mpath="enabled"
1028 ;;
1029 --disable-vnc) vnc="disabled"
1030 ;;
1031 --enable-vnc) vnc="enabled"
1032 ;;
1033 --disable-gettext) gettext="disabled"
1034 ;;
1035 --enable-gettext) gettext="enabled"
1036 ;;
1037 --oss-lib=*) oss_lib="$optarg"
1038 ;;
1039 --audio-drv-list=*) audio_drv_list="$optarg"
1040 ;;
1041 --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1042 ;;
1043 --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1044 ;;
1045 --enable-debug-tcg) debug_tcg="yes"
1046 ;;
1047 --disable-debug-tcg) debug_tcg="no"
1048 ;;
1049 --enable-debug)
1050 # Enable debugging options that aren't excessively noisy
1051 debug_tcg="yes"
1052 debug_mutex="yes"
1053 debug="yes"
1054 strip_opt="no"
1055 fortify_source="no"
1056 ;;
1057 --enable-sanitizers) sanitizers="yes"
1058 ;;
1059 --disable-sanitizers) sanitizers="no"
1060 ;;
1061 --enable-tsan) tsan="yes"
1062 ;;
1063 --disable-tsan) tsan="no"
1064 ;;
1065 --enable-sparse) sparse="enabled"
1066 ;;
1067 --disable-sparse) sparse="disabled"
1068 ;;
1069 --disable-strip) strip_opt="no"
1070 ;;
1071 --disable-vnc-sasl) vnc_sasl="disabled"
1072 ;;
1073 --enable-vnc-sasl) vnc_sasl="enabled"
1074 ;;
1075 --disable-vnc-jpeg) vnc_jpeg="disabled"
1076 ;;
1077 --enable-vnc-jpeg) vnc_jpeg="enabled"
1078 ;;
1079 --disable-vnc-png) vnc_png="disabled"
1080 ;;
1081 --enable-vnc-png) vnc_png="enabled"
1082 ;;
1083 --disable-slirp) slirp="disabled"
1084 ;;
1085 --enable-slirp=git) slirp="internal"
1086 ;;
1087 --enable-slirp=system) slirp="system"
1088 ;;
1089 --disable-vde) vde="no"
1090 ;;
1091 --enable-vde) vde="yes"
1092 ;;
1093 --disable-netmap) netmap="no"
1094 ;;
1095 --enable-netmap) netmap="yes"
1096 ;;
1097 --disable-xen) xen="disabled"
1098 ;;
1099 --enable-xen) xen="enabled"
1100 ;;
1101 --disable-xen-pci-passthrough) xen_pci_passthrough="disabled"
1102 ;;
1103 --enable-xen-pci-passthrough) xen_pci_passthrough="enabled"
1104 ;;
1105 --disable-brlapi) brlapi="no"
1106 ;;
1107 --enable-brlapi) brlapi="yes"
1108 ;;
1109 --disable-kvm) kvm="disabled"
1110 ;;
1111 --enable-kvm) kvm="enabled"
1112 ;;
1113 --disable-hax) hax="disabled"
1114 ;;
1115 --enable-hax) hax="enabled"
1116 ;;
1117 --disable-hvf) hvf="disabled"
1118 ;;
1119 --enable-hvf) hvf="enabled"
1120 ;;
1121 --disable-whpx) whpx="disabled"
1122 ;;
1123 --enable-whpx) whpx="enabled"
1124 ;;
1125 --disable-tcg-interpreter) tcg_interpreter="no"
1126 ;;
1127 --enable-tcg-interpreter) tcg_interpreter="yes"
1128 ;;
1129 --disable-cap-ng) cap_ng="no"
1130 ;;
1131 --enable-cap-ng) cap_ng="yes"
1132 ;;
1133 --disable-tcg) tcg="disabled"
1134 ;;
1135 --enable-tcg) tcg="enabled"
1136 ;;
1137 --disable-malloc-trim) malloc_trim="disabled"
1138 ;;
1139 --enable-malloc-trim) malloc_trim="enabled"
1140 ;;
1141 --disable-spice) spice="no"
1142 ;;
1143 --enable-spice) spice="yes"
1144 ;;
1145 --disable-libiscsi) libiscsi="no"
1146 ;;
1147 --enable-libiscsi) libiscsi="yes"
1148 ;;
1149 --disable-libnfs) libnfs="no"
1150 ;;
1151 --enable-libnfs) libnfs="yes"
1152 ;;
1153 --enable-profiler) profiler="yes"
1154 ;;
1155 --disable-cocoa) cocoa="disabled"
1156 ;;
1157 --enable-cocoa)
1158 cocoa="enabled" ;
1159 audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1160 ;;
1161 --disable-system) softmmu="no"
1162 ;;
1163 --enable-system) softmmu="yes"
1164 ;;
1165 --disable-user)
1166 linux_user="no" ;
1167 bsd_user="no" ;
1168 ;;
1169 --enable-user) ;;
1170 --disable-linux-user) linux_user="no"
1171 ;;
1172 --enable-linux-user) linux_user="yes"
1173 ;;
1174 --disable-bsd-user) bsd_user="no"
1175 ;;
1176 --enable-bsd-user) bsd_user="yes"
1177 ;;
1178 --enable-pie) pie="yes"
1179 ;;
1180 --disable-pie) pie="no"
1181 ;;
1182 --enable-werror) werror="yes"
1183 ;;
1184 --disable-werror) werror="no"
1185 ;;
1186 --enable-lto) lto="true"
1187 ;;
1188 --disable-lto) lto="false"
1189 ;;
1190 --enable-stack-protector) stack_protector="yes"
1191 ;;
1192 --disable-stack-protector) stack_protector="no"
1193 ;;
1194 --enable-safe-stack) safe_stack="yes"
1195 ;;
1196 --disable-safe-stack) safe_stack="no"
1197 ;;
1198 --disable-curses) curses="disabled"
1199 ;;
1200 --enable-curses) curses="enabled"
1201 ;;
1202 --disable-iconv) iconv="disabled"
1203 ;;
1204 --enable-iconv) iconv="enabled"
1205 ;;
1206 --disable-curl) curl="no"
1207 ;;
1208 --enable-curl) curl="yes"
1209 ;;
1210 --disable-fdt) fdt="disabled"
1211 ;;
1212 --enable-fdt) fdt="enabled"
1213 ;;
1214 --enable-fdt=git) fdt="internal"
1215 ;;
1216 --enable-fdt=system) fdt="system"
1217 ;;
1218 --disable-linux-aio) linux_aio="no"
1219 ;;
1220 --enable-linux-aio) linux_aio="yes"
1221 ;;
1222 --disable-linux-io-uring) linux_io_uring="no"
1223 ;;
1224 --enable-linux-io-uring) linux_io_uring="yes"
1225 ;;
1226 --disable-attr) attr="no"
1227 ;;
1228 --enable-attr) attr="yes"
1229 ;;
1230 --disable-membarrier) membarrier="no"
1231 ;;
1232 --enable-membarrier) membarrier="yes"
1233 ;;
1234 --disable-blobs) blobs="false"
1235 ;;
1236 --with-pkgversion=*) pkgversion="$optarg"
1237 ;;
1238 --with-coroutine=*) coroutine="$optarg"
1239 ;;
1240 --disable-coroutine-pool) coroutine_pool="no"
1241 ;;
1242 --enable-coroutine-pool) coroutine_pool="yes"
1243 ;;
1244 --enable-debug-stack-usage) debug_stack_usage="yes"
1245 ;;
1246 --enable-crypto-afalg) crypto_afalg="yes"
1247 ;;
1248 --disable-crypto-afalg) crypto_afalg="no"
1249 ;;
1250 --disable-docs) docs="disabled"
1251 ;;
1252 --enable-docs) docs="enabled"
1253 ;;
1254 --disable-vhost-net) vhost_net="no"
1255 ;;
1256 --enable-vhost-net) vhost_net="yes"
1257 ;;
1258 --disable-vhost-crypto) vhost_crypto="no"
1259 ;;
1260 --enable-vhost-crypto) vhost_crypto="yes"
1261 ;;
1262 --disable-vhost-scsi) vhost_scsi="no"
1263 ;;
1264 --enable-vhost-scsi) vhost_scsi="yes"
1265 ;;
1266 --disable-vhost-vsock) vhost_vsock="no"
1267 ;;
1268 --enable-vhost-vsock) vhost_vsock="yes"
1269 ;;
1270 --disable-vhost-user-blk-server) vhost_user_blk_server="disabled"
1271 ;;
1272 --enable-vhost-user-blk-server) vhost_user_blk_server="enabled"
1273 ;;
1274 --disable-vhost-user-fs) vhost_user_fs="no"
1275 ;;
1276 --enable-vhost-user-fs) vhost_user_fs="yes"
1277 ;;
1278 --disable-opengl) opengl="no"
1279 ;;
1280 --enable-opengl) opengl="yes"
1281 ;;
1282 --disable-rbd) rbd="no"
1283 ;;
1284 --enable-rbd) rbd="yes"
1285 ;;
1286 --disable-xfsctl) xfs="no"
1287 ;;
1288 --enable-xfsctl) xfs="yes"
1289 ;;
1290 --disable-smartcard) smartcard="no"
1291 ;;
1292 --enable-smartcard) smartcard="yes"
1293 ;;
1294 --disable-u2f) u2f="disabled"
1295 ;;
1296 --enable-u2f) u2f="enabled"
1297 ;;
1298 --disable-libusb) libusb="no"
1299 ;;
1300 --enable-libusb) libusb="yes"
1301 ;;
1302 --disable-usb-redir) usb_redir="no"
1303 ;;
1304 --enable-usb-redir) usb_redir="yes"
1305 ;;
1306 --disable-zlib-test)
1307 ;;
1308 --disable-lzo) lzo="no"
1309 ;;
1310 --enable-lzo) lzo="yes"
1311 ;;
1312 --disable-snappy) snappy="no"
1313 ;;
1314 --enable-snappy) snappy="yes"
1315 ;;
1316 --disable-bzip2) bzip2="no"
1317 ;;
1318 --enable-bzip2) bzip2="yes"
1319 ;;
1320 --enable-lzfse) lzfse="yes"
1321 ;;
1322 --disable-lzfse) lzfse="no"
1323 ;;
1324 --disable-zstd) zstd="no"
1325 ;;
1326 --enable-zstd) zstd="yes"
1327 ;;
1328 --enable-guest-agent) guest_agent="yes"
1329 ;;
1330 --disable-guest-agent) guest_agent="no"
1331 ;;
1332 --enable-guest-agent-msi) guest_agent_msi="yes"
1333 ;;
1334 --disable-guest-agent-msi) guest_agent_msi="no"
1335 ;;
1336 --with-vss-sdk) vss_win32_sdk=""
1337 ;;
1338 --with-vss-sdk=*) vss_win32_sdk="$optarg"
1339 ;;
1340 --without-vss-sdk) vss_win32_sdk="no"
1341 ;;
1342 --with-win-sdk) win_sdk=""
1343 ;;
1344 --with-win-sdk=*) win_sdk="$optarg"
1345 ;;
1346 --without-win-sdk) win_sdk="no"
1347 ;;
1348 --enable-tools) want_tools="yes"
1349 ;;
1350 --disable-tools) want_tools="no"
1351 ;;
1352 --enable-seccomp) seccomp="yes"
1353 ;;
1354 --disable-seccomp) seccomp="no"
1355 ;;
1356 --disable-glusterfs) glusterfs="no"
1357 ;;
1358 --disable-avx2) avx2_opt="no"
1359 ;;
1360 --enable-avx2) avx2_opt="yes"
1361 ;;
1362 --disable-avx512f) avx512f_opt="no"
1363 ;;
1364 --enable-avx512f) avx512f_opt="yes"
1365 ;;
1366
1367 --enable-glusterfs) glusterfs="yes"
1368 ;;
1369 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1370 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1371 ;;
1372 --enable-vhdx|--disable-vhdx)
1373 echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1374 ;;
1375 --enable-uuid|--disable-uuid)
1376 echo "$0: $opt is obsolete, UUID support is always built" >&2
1377 ;;
1378 --disable-gtk) gtk="no"
1379 ;;
1380 --enable-gtk) gtk="yes"
1381 ;;
1382 --tls-priority=*) tls_priority="$optarg"
1383 ;;
1384 --disable-gnutls) gnutls="no"
1385 ;;
1386 --enable-gnutls) gnutls="yes"
1387 ;;
1388 --disable-nettle) nettle="no"
1389 ;;
1390 --enable-nettle) nettle="yes"
1391 ;;
1392 --disable-gcrypt) gcrypt="no"
1393 ;;
1394 --enable-gcrypt) gcrypt="yes"
1395 ;;
1396 --disable-auth-pam) auth_pam="no"
1397 ;;
1398 --enable-auth-pam) auth_pam="yes"
1399 ;;
1400 --enable-rdma) rdma="yes"
1401 ;;
1402 --disable-rdma) rdma="no"
1403 ;;
1404 --enable-pvrdma) pvrdma="yes"
1405 ;;
1406 --disable-pvrdma) pvrdma="no"
1407 ;;
1408 --disable-vte) vte="no"
1409 ;;
1410 --enable-vte) vte="yes"
1411 ;;
1412 --disable-virglrenderer) virglrenderer="no"
1413 ;;
1414 --enable-virglrenderer) virglrenderer="yes"
1415 ;;
1416 --disable-tpm) tpm="no"
1417 ;;
1418 --enable-tpm) tpm="yes"
1419 ;;
1420 --disable-libssh) libssh="no"
1421 ;;
1422 --enable-libssh) libssh="yes"
1423 ;;
1424 --disable-live-block-migration) live_block_migration="no"
1425 ;;
1426 --enable-live-block-migration) live_block_migration="yes"
1427 ;;
1428 --disable-numa) numa="no"
1429 ;;
1430 --enable-numa) numa="yes"
1431 ;;
1432 --disable-libxml2) libxml2="no"
1433 ;;
1434 --enable-libxml2) libxml2="yes"
1435 ;;
1436 --disable-tcmalloc) tcmalloc="no"
1437 ;;
1438 --enable-tcmalloc) tcmalloc="yes"
1439 ;;
1440 --disable-jemalloc) jemalloc="no"
1441 ;;
1442 --enable-jemalloc) jemalloc="yes"
1443 ;;
1444 --disable-replication) replication="no"
1445 ;;
1446 --enable-replication) replication="yes"
1447 ;;
1448 --disable-bochs) bochs="no"
1449 ;;
1450 --enable-bochs) bochs="yes"
1451 ;;
1452 --disable-cloop) cloop="no"
1453 ;;
1454 --enable-cloop) cloop="yes"
1455 ;;
1456 --disable-dmg) dmg="no"
1457 ;;
1458 --enable-dmg) dmg="yes"
1459 ;;
1460 --disable-qcow1) qcow1="no"
1461 ;;
1462 --enable-qcow1) qcow1="yes"
1463 ;;
1464 --disable-vdi) vdi="no"
1465 ;;
1466 --enable-vdi) vdi="yes"
1467 ;;
1468 --disable-vvfat) vvfat="no"
1469 ;;
1470 --enable-vvfat) vvfat="yes"
1471 ;;
1472 --disable-qed) qed="no"
1473 ;;
1474 --enable-qed) qed="yes"
1475 ;;
1476 --disable-parallels) parallels="no"
1477 ;;
1478 --enable-parallels) parallels="yes"
1479 ;;
1480 --disable-sheepdog) sheepdog="no"
1481 ;;
1482 --enable-sheepdog) sheepdog="yes"
1483 ;;
1484 --disable-vhost-user) vhost_user="no"
1485 ;;
1486 --enable-vhost-user) vhost_user="yes"
1487 ;;
1488 --disable-vhost-vdpa) vhost_vdpa="no"
1489 ;;
1490 --enable-vhost-vdpa) vhost_vdpa="yes"
1491 ;;
1492 --disable-vhost-kernel) vhost_kernel="no"
1493 ;;
1494 --enable-vhost-kernel) vhost_kernel="yes"
1495 ;;
1496 --disable-capstone) capstone="disabled"
1497 ;;
1498 --enable-capstone) capstone="enabled"
1499 ;;
1500 --enable-capstone=git) capstone="internal"
1501 ;;
1502 --enable-capstone=system) capstone="system"
1503 ;;
1504 --with-git=*) git="$optarg"
1505 ;;
1506 --enable-git-update) git_update=yes
1507 ;;
1508 --disable-git-update) git_update=no
1509 ;;
1510 --enable-debug-mutex) debug_mutex=yes
1511 ;;
1512 --disable-debug-mutex) debug_mutex=no
1513 ;;
1514 --enable-libpmem) libpmem=yes
1515 ;;
1516 --disable-libpmem) libpmem=no
1517 ;;
1518 --enable-xkbcommon) xkbcommon="enabled"
1519 ;;
1520 --disable-xkbcommon) xkbcommon="disabled"
1521 ;;
1522 --enable-plugins) plugins="yes"
1523 ;;
1524 --disable-plugins) plugins="no"
1525 ;;
1526 --enable-containers) use_containers="yes"
1527 ;;
1528 --disable-containers) use_containers="no"
1529 ;;
1530 --enable-fuzzing) fuzzing=yes
1531 ;;
1532 --disable-fuzzing) fuzzing=no
1533 ;;
1534 --gdb=*) gdb_bin="$optarg"
1535 ;;
1536 --enable-rng-none) rng_none=yes
1537 ;;
1538 --disable-rng-none) rng_none=no
1539 ;;
1540 --enable-keyring) secret_keyring="yes"
1541 ;;
1542 --disable-keyring) secret_keyring="no"
1543 ;;
1544 --enable-libdaxctl) libdaxctl=yes
1545 ;;
1546 --disable-libdaxctl) libdaxctl=no
1547 ;;
1548 --enable-fuse) fuse="enabled"
1549 ;;
1550 --disable-fuse) fuse="disabled"
1551 ;;
1552 --enable-fuse-lseek) fuse_lseek="enabled"
1553 ;;
1554 --disable-fuse-lseek) fuse_lseek="disabled"
1555 ;;
1556 *)
1557 echo "ERROR: unknown option $opt"
1558 echo "Try '$0 --help' for more information"
1559 exit 1
1560 ;;
1561 esac
1562 done
1563
1564 libdir="${libdir:-$prefix/lib}"
1565 libexecdir="${libexecdir:-$prefix/libexec}"
1566 includedir="${includedir:-$prefix/include}"
1567
1568 if test "$mingw32" = "yes" ; then
1569 mandir="$prefix"
1570 datadir="$prefix"
1571 docdir="$prefix"
1572 bindir="$prefix"
1573 sysconfdir="$prefix"
1574 local_statedir="$prefix"
1575 else
1576 mandir="${mandir:-$prefix/share/man}"
1577 datadir="${datadir:-$prefix/share}"
1578 docdir="${docdir:-$prefix/share/doc}"
1579 bindir="${bindir:-$prefix/bin}"
1580 sysconfdir="${sysconfdir:-$prefix/etc}"
1581 local_statedir="${local_statedir:-$prefix/var}"
1582 fi
1583 firmwarepath="${firmwarepath:-$datadir/qemu-firmware}"
1584 localedir="${localedir:-$datadir/locale}"
1585
1586 case "$cpu" in
1587 ppc)
1588 CPU_CFLAGS="-m32"
1589 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1590 ;;
1591 ppc64)
1592 CPU_CFLAGS="-m64"
1593 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1594 ;;
1595 sparc)
1596 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1597 QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1598 ;;
1599 sparc64)
1600 CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1601 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1602 ;;
1603 s390)
1604 CPU_CFLAGS="-m31"
1605 QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1606 ;;
1607 s390x)
1608 CPU_CFLAGS="-m64"
1609 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1610 ;;
1611 i386)
1612 CPU_CFLAGS="-m32"
1613 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1614 ;;
1615 x86_64)
1616 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1617 # If we truly care, we should simply detect this case at
1618 # runtime and generate the fallback to serial emulation.
1619 CPU_CFLAGS="-m64 -mcx16"
1620 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1621 ;;
1622 x32)
1623 CPU_CFLAGS="-mx32"
1624 QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1625 ;;
1626 # No special flags required for other host CPUs
1627 esac
1628
1629 eval "cross_cc_${cpu}=\$host_cc"
1630 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1631 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1632
1633 # For user-mode emulation the host arch has to be one we explicitly
1634 # support, even if we're using TCI.
1635 if [ "$ARCH" = "unknown" ]; then
1636 bsd_user="no"
1637 linux_user="no"
1638 fi
1639
1640 default_target_list=""
1641 deprecated_targets_list=ppc64abi32-linux-user,tilegx-linux-user,lm32-softmmu,unicore32-softmmu
1642 deprecated_features=""
1643 mak_wilds=""
1644
1645 if [ "$softmmu" = "yes" ]; then
1646 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-softmmu.mak"
1647 fi
1648 if [ "$linux_user" = "yes" ]; then
1649 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-linux-user.mak"
1650 fi
1651 if [ "$bsd_user" = "yes" ]; then
1652 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-bsd-user.mak"
1653 fi
1654
1655 # If the user doesn't explicitly specify a deprecated target we will
1656 # skip it.
1657 if test -z "$target_list"; then
1658 if test -z "$target_list_exclude"; then
1659 target_list_exclude="$deprecated_targets_list"
1660 else
1661 target_list_exclude="$target_list_exclude,$deprecated_targets_list"
1662 fi
1663 fi
1664
1665 for config in $mak_wilds; do
1666 target="$(basename "$config" .mak)"
1667 if echo "$target_list_exclude" | grep -vq "$target"; then
1668 default_target_list="${default_target_list} $target"
1669 fi
1670 done
1671
1672 # Enumerate public trace backends for --help output
1673 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1674
1675 if test x"$show_help" = x"yes" ; then
1676 cat << EOF
1677
1678 Usage: configure [options]
1679 Options: [defaults in brackets after descriptions]
1680
1681 Standard options:
1682 --help print this message
1683 --prefix=PREFIX install in PREFIX [$prefix]
1684 --interp-prefix=PREFIX where to find shared libraries, etc.
1685 use %M for cpu name [$interp_prefix]
1686 --target-list=LIST set target list (default: build all non-deprecated)
1687 $(echo Available targets: $default_target_list | \
1688 fold -s -w 53 | sed -e 's/^/ /')
1689 $(echo Deprecated targets: $deprecated_targets_list | \
1690 fold -s -w 53 | sed -e 's/^/ /')
1691 --target-list-exclude=LIST exclude a set of targets from the default target-list
1692
1693 Advanced options (experts only):
1694 --cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]
1695 --cc=CC use C compiler CC [$cc]
1696 --iasl=IASL use ACPI compiler IASL [$iasl]
1697 --host-cc=CC use C compiler CC [$host_cc] for code run at
1698 build time
1699 --cxx=CXX use C++ compiler CXX [$cxx]
1700 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
1701 --extra-cflags=CFLAGS append extra C compiler flags QEMU_CFLAGS
1702 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1703 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
1704 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
1705 --cross-cc-flags-ARCH= use compiler flags when building ARCH guest tests
1706 --make=MAKE use specified make [$make]
1707 --python=PYTHON use specified python [$python]
1708 --sphinx-build=SPHINX use specified sphinx-build [$sphinx_build]
1709 --meson=MESON use specified meson [$meson]
1710 --ninja=NINJA use specified ninja [$ninja]
1711 --smbd=SMBD use specified smbd [$smbd]
1712 --with-git=GIT use specified git [$git]
1713 --static enable static build [$static]
1714 --mandir=PATH install man pages in PATH
1715 --datadir=PATH install firmware in PATH/$qemu_suffix
1716 --localedir=PATH install translation in PATH/$qemu_suffix
1717 --docdir=PATH install documentation in PATH/$qemu_suffix
1718 --bindir=PATH install binaries in PATH
1719 --libdir=PATH install libraries in PATH
1720 --libexecdir=PATH install helper binaries in PATH
1721 --sysconfdir=PATH install config in PATH/$qemu_suffix
1722 --localstatedir=PATH install local state in PATH (set at runtime on win32)
1723 --firmwarepath=PATH search PATH for firmware files
1724 --efi-aarch64=PATH PATH of efi file to use for aarch64 VMs.
1725 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
1726 --with-pkgversion=VERS use specified string as sub-version of the package
1727 --without-default-features default all --enable-* options to "disabled"
1728 --without-default-devices do not include any device that is not needed to
1729 start the emulator (only use if you are including
1730 desired devices in default-configs/devices/)
1731 --enable-debug enable common debug build options
1732 --enable-sanitizers enable default sanitizers
1733 --enable-tsan enable thread sanitizer
1734 --disable-strip disable stripping binaries
1735 --disable-werror disable compilation abort on warning
1736 --disable-stack-protector disable compiler-provided stack protection
1737 --audio-drv-list=LIST set audio drivers list:
1738 Available drivers: $audio_possible_drivers
1739 --block-drv-whitelist=L Same as --block-drv-rw-whitelist=L
1740 --block-drv-rw-whitelist=L
1741 set block driver read-write whitelist
1742 (affects only QEMU, not qemu-img)
1743 --block-drv-ro-whitelist=L
1744 set block driver read-only whitelist
1745 (affects only QEMU, not qemu-img)
1746 --enable-trace-backends=B Set trace backend
1747 Available backends: $trace_backend_list
1748 --with-trace-file=NAME Full PATH,NAME of file to store traces
1749 Default:trace-<pid>
1750 --disable-slirp disable SLIRP userspace network connectivity
1751 --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1752 --enable-malloc-trim enable libc malloc_trim() for memory optimization
1753 --oss-lib path to OSS library
1754 --cpu=CPU Build for host CPU [$cpu]
1755 --with-coroutine=BACKEND coroutine backend. Supported options:
1756 ucontext, sigaltstack, windows
1757 --enable-gcov enable test coverage analysis with gcov
1758 --disable-blobs disable installing provided firmware blobs
1759 --with-vss-sdk=SDK-path enable Windows VSS support in QEMU Guest Agent
1760 --with-win-sdk=SDK-path path to Windows Platform SDK (to build VSS .tlb)
1761 --tls-priority default TLS protocol/cipher priority string
1762 --enable-gprof QEMU profiling with gprof
1763 --enable-profiler profiler support
1764 --enable-debug-stack-usage
1765 track the maximum stack usage of stacks created by qemu_alloc_stack
1766 --enable-plugins
1767 enable plugins via shared library loading
1768 --disable-containers don't use containers for cross-building
1769 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
1770
1771 Optional features, enabled with --enable-FEATURE and
1772 disabled with --disable-FEATURE, default is enabled if available
1773 (unless built with --without-default-features):
1774
1775 system all system emulation targets
1776 user supported user emulation targets
1777 linux-user all linux usermode emulation targets
1778 bsd-user all BSD usermode emulation targets
1779 docs build documentation
1780 guest-agent build the QEMU Guest Agent
1781 guest-agent-msi build guest agent Windows MSI installation package
1782 pie Position Independent Executables
1783 modules modules support (non-Windows)
1784 module-upgrades try to load modules from alternate paths for upgrades
1785 debug-tcg TCG debugging (default is disabled)
1786 debug-info debugging information
1787 lto Enable Link-Time Optimization.
1788 sparse sparse checker
1789 safe-stack SafeStack Stack Smash Protection. Depends on
1790 clang/llvm >= 3.7 and requires coroutine backend ucontext.
1791
1792 gnutls GNUTLS cryptography support
1793 nettle nettle cryptography support
1794 gcrypt libgcrypt cryptography support
1795 auth-pam PAM access control
1796 sdl SDL UI
1797 sdl-image SDL Image support for icons
1798 gtk gtk UI
1799 vte vte support for the gtk UI
1800 curses curses UI
1801 iconv font glyph conversion support
1802 vnc VNC UI support
1803 vnc-sasl SASL encryption for VNC server
1804 vnc-jpeg JPEG lossy compression for VNC server
1805 vnc-png PNG compression for VNC server
1806 cocoa Cocoa UI (Mac OS X only)
1807 virtfs VirtFS
1808 virtiofsd build virtiofs daemon (virtiofsd)
1809 libudev Use libudev to enumerate host devices
1810 mpath Multipath persistent reservation passthrough
1811 xen xen backend driver support
1812 xen-pci-passthrough PCI passthrough support for Xen
1813 brlapi BrlAPI (Braile)
1814 curl curl connectivity
1815 membarrier membarrier system call (for Linux 4.14+ or Windows)
1816 fdt fdt device tree
1817 kvm KVM acceleration support
1818 hax HAX acceleration support
1819 hvf Hypervisor.framework acceleration support
1820 whpx Windows Hypervisor Platform acceleration support
1821 rdma Enable RDMA-based migration
1822 pvrdma Enable PVRDMA support
1823 vde support for vde network
1824 netmap support for netmap network
1825 linux-aio Linux AIO support
1826 linux-io-uring Linux io_uring support
1827 cap-ng libcap-ng support
1828 attr attr and xattr support
1829 vhost-net vhost-net kernel acceleration support
1830 vhost-vsock virtio sockets device support
1831 vhost-scsi vhost-scsi kernel target support
1832 vhost-crypto vhost-user-crypto backend support
1833 vhost-kernel vhost kernel backend support
1834 vhost-user vhost-user backend support
1835 vhost-user-blk-server vhost-user-blk server support
1836 vhost-vdpa vhost-vdpa kernel backend support
1837 spice spice
1838 rbd rados block device (rbd)
1839 libiscsi iscsi support
1840 libnfs nfs support
1841 smartcard smartcard support (libcacard)
1842 u2f U2F support (u2f-emu)
1843 libusb libusb (for usb passthrough)
1844 live-block-migration Block migration in the main migration stream
1845 usb-redir usb network redirection support
1846 lzo support of lzo compression library
1847 snappy support of snappy compression library
1848 bzip2 support of bzip2 compression library
1849 (for reading bzip2-compressed dmg images)
1850 lzfse support of lzfse compression library
1851 (for reading lzfse-compressed dmg images)
1852 zstd support for zstd compression library
1853 (for migration compression and qcow2 cluster compression)
1854 seccomp seccomp support
1855 coroutine-pool coroutine freelist (better performance)
1856 glusterfs GlusterFS backend
1857 tpm TPM support
1858 libssh ssh block device support
1859 numa libnuma support
1860 libxml2 for Parallels image format
1861 tcmalloc tcmalloc support
1862 jemalloc jemalloc support
1863 avx2 AVX2 optimization support
1864 avx512f AVX512F optimization support
1865 replication replication support
1866 opengl opengl support
1867 virglrenderer virgl rendering support
1868 xfsctl xfsctl support
1869 qom-cast-debug cast debugging support
1870 tools build qemu-io, qemu-nbd and qemu-img tools
1871 bochs bochs image format support
1872 cloop cloop image format support
1873 dmg dmg image format support
1874 qcow1 qcow v1 image format support
1875 vdi vdi image format support
1876 vvfat vvfat image format support
1877 qed qed image format support
1878 parallels parallels image format support
1879 sheepdog sheepdog block driver support (deprecated)
1880 crypto-afalg Linux AF_ALG crypto backend driver
1881 capstone capstone disassembler support
1882 debug-mutex mutex debugging support
1883 libpmem libpmem support
1884 xkbcommon xkbcommon support
1885 rng-none dummy RNG, avoid using /dev/(u)random and getrandom()
1886 libdaxctl libdaxctl support
1887 fuse FUSE block device export
1888 fuse-lseek SEEK_HOLE/SEEK_DATA support for FUSE exports
1889
1890 NOTE: The object files are built at the place where configure is launched
1891 EOF
1892 exit 0
1893 fi
1894
1895 # Remove old dependency files to make sure that they get properly regenerated
1896 rm -f */config-devices.mak.d
1897
1898 if test -z "$python"
1899 then
1900 error_exit "Python not found. Use --python=/path/to/python"
1901 fi
1902 if ! has "$make"
1903 then
1904 error_exit "GNU make ($make) not found"
1905 fi
1906
1907 # Note that if the Python conditional here evaluates True we will exit
1908 # with status 1 which is a shell 'false' value.
1909 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
1910 error_exit "Cannot use '$python', Python >= 3.6 is required." \
1911 "Use --python=/path/to/python to specify a supported Python."
1912 fi
1913
1914 # Preserve python version since some functionality is dependent on it
1915 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)
1916
1917 # Suppress writing compiled files
1918 python="$python -B"
1919
1920 if test -z "$meson"; then
1921 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.3; then
1922 meson=meson
1923 elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
1924 meson=git
1925 elif test -e "${source_path}/meson/meson.py" ; then
1926 meson=internal
1927 else
1928 if test "$explicit_python" = yes; then
1929 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1930 else
1931 error_exit "Meson not found. Use --meson=/path/to/meson"
1932 fi
1933 fi
1934 else
1935 # Meson uses its own Python interpreter to invoke other Python scripts,
1936 # but the user wants to use the one they specified with --python.
1937 #
1938 # We do not want to override the distro Python interpreter (and sometimes
1939 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1940 # just require --meson=git|internal together with --python.
1941 if test "$explicit_python" = yes; then
1942 case "$meson" in
1943 git | internal) ;;
1944 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1945 esac
1946 fi
1947 fi
1948
1949 if test "$meson" = git; then
1950 git_submodules="${git_submodules} meson"
1951 fi
1952
1953 case "$meson" in
1954 git | internal)
1955 meson="$python ${source_path}/meson/meson.py"
1956 ;;
1957 *) meson=$(command -v "$meson") ;;
1958 esac
1959
1960 # Probe for ninja
1961
1962 if test -z "$ninja"; then
1963 for c in ninja ninja-build samu; do
1964 if has $c; then
1965 ninja=$(command -v "$c")
1966 break
1967 fi
1968 done
1969 if test -z "$ninja"; then
1970 error_exit "Cannot find Ninja"
1971 fi
1972 fi
1973
1974 # Check that the C compiler works. Doing this here before testing
1975 # the host CPU ensures that we had a valid CC to autodetect the
1976 # $cpu var (and we should bail right here if that's not the case).
1977 # It also allows the help message to be printed without a CC.
1978 write_c_skeleton;
1979 if compile_object ; then
1980 : C compiler works ok
1981 else
1982 error_exit "\"$cc\" either does not exist or does not work"
1983 fi
1984 if ! compile_prog ; then
1985 error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1986 fi
1987
1988 # Consult white-list to determine whether to enable werror
1989 # by default. Only enable by default for git builds
1990 if test -z "$werror" ; then
1991 if test -e "$source_path/.git" && \
1992 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1993 werror="yes"
1994 else
1995 werror="no"
1996 fi
1997 fi
1998
1999 if test "$bogus_os" = "yes"; then
2000 # Now that we know that we're not printing the help and that
2001 # the compiler works (so the results of the check_defines we used
2002 # to identify the OS are reliable), if we didn't recognize the
2003 # host OS we should stop now.
2004 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
2005 fi
2006
2007 # Check whether the compiler matches our minimum requirements:
2008 cat > $TMPC << EOF
2009 #if defined(__clang_major__) && defined(__clang_minor__)
2010 # ifdef __apple_build_version__
2011 # if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
2012 # error You need at least XCode Clang v5.1 to compile QEMU
2013 # endif
2014 # else
2015 # if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
2016 # error You need at least Clang v3.4 to compile QEMU
2017 # endif
2018 # endif
2019 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
2020 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
2021 # error You need at least GCC v4.8 to compile QEMU
2022 # endif
2023 #else
2024 # error You either need GCC or Clang to compiler QEMU
2025 #endif
2026 int main (void) { return 0; }
2027 EOF
2028 if ! compile_prog "" "" ; then
2029 error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2030 fi
2031
2032 # Accumulate -Wfoo and -Wno-bar separately.
2033 # We will list all of the enable flags first, and the disable flags second.
2034 # Note that we do not add -Werror, because that would enable it for all
2035 # configure tests. If a configure test failed due to -Werror this would
2036 # just silently disable some features, so it's too error prone.
2037
2038 warn_flags=
2039 add_to warn_flags -Wold-style-declaration
2040 add_to warn_flags -Wold-style-definition
2041 add_to warn_flags -Wtype-limits
2042 add_to warn_flags -Wformat-security
2043 add_to warn_flags -Wformat-y2k
2044 add_to warn_flags -Winit-self
2045 add_to warn_flags -Wignored-qualifiers
2046 add_to warn_flags -Wempty-body
2047 add_to warn_flags -Wnested-externs
2048 add_to warn_flags -Wendif-labels
2049 add_to warn_flags -Wexpansion-to-defined
2050 add_to warn_flags -Wimplicit-fallthrough=2
2051
2052 nowarn_flags=
2053 add_to nowarn_flags -Wno-initializer-overrides
2054 add_to nowarn_flags -Wno-missing-include-dirs
2055 add_to nowarn_flags -Wno-shift-negative-value
2056 add_to nowarn_flags -Wno-string-plus-int
2057 add_to nowarn_flags -Wno-typedef-redefinition
2058 add_to nowarn_flags -Wno-tautological-type-limit-compare
2059 add_to nowarn_flags -Wno-psabi
2060
2061 gcc_flags="$warn_flags $nowarn_flags"
2062
2063 cc_has_warning_flag() {
2064 write_c_skeleton;
2065
2066 # Use the positive sense of the flag when testing for -Wno-wombat
2067 # support (gcc will happily accept the -Wno- form of unknown
2068 # warning options).
2069 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2070 compile_prog "-Werror $optflag" ""
2071 }
2072
2073 for flag in $gcc_flags; do
2074 if cc_has_warning_flag $flag ; then
2075 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2076 fi
2077 done
2078
2079 if test "$stack_protector" != "no"; then
2080 cat > $TMPC << EOF
2081 int main(int argc, char *argv[])
2082 {
2083 char arr[64], *p = arr, *c = argv[0];
2084 while (*c) {
2085 *p++ = *c++;
2086 }
2087 return 0;
2088 }
2089 EOF
2090 gcc_flags="-fstack-protector-strong -fstack-protector-all"
2091 sp_on=0
2092 for flag in $gcc_flags; do
2093 # We need to check both a compile and a link, since some compiler
2094 # setups fail only on a .c->.o compile and some only at link time
2095 if compile_object "-Werror $flag" &&
2096 compile_prog "-Werror $flag" ""; then
2097 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2098 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2099 sp_on=1
2100 break
2101 fi
2102 done
2103 if test "$stack_protector" = yes; then
2104 if test $sp_on = 0; then
2105 error_exit "Stack protector not supported"
2106 fi
2107 fi
2108 fi
2109
2110 # Disable -Wmissing-braces on older compilers that warn even for
2111 # the "universal" C zero initializer {0}.
2112 cat > $TMPC << EOF
2113 struct {
2114 int a[2];
2115 } x = {0};
2116 EOF
2117 if compile_object "-Werror" "" ; then
2118 :
2119 else
2120 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2121 fi
2122
2123 # Our module code doesn't support Windows
2124 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2125 error_exit "Modules are not available for Windows"
2126 fi
2127
2128 # module_upgrades is only reasonable if modules are enabled
2129 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2130 error_exit "Can't enable module-upgrades as Modules are not enabled"
2131 fi
2132
2133 # Static linking is not possible with modules or PIE
2134 if test "$static" = "yes" ; then
2135 if test "$modules" = "yes" ; then
2136 error_exit "static and modules are mutually incompatible"
2137 fi
2138 fi
2139
2140 # Unconditional check for compiler __thread support
2141 cat > $TMPC << EOF
2142 static __thread int tls_var;
2143 int main(void) { return tls_var; }
2144 EOF
2145
2146 if ! compile_prog "-Werror" "" ; then
2147 error_exit "Your compiler does not support the __thread specifier for " \
2148 "Thread-Local Storage (TLS). Please upgrade to a version that does."
2149 fi
2150
2151 cat > $TMPC << EOF
2152
2153 #ifdef __linux__
2154 # define THREAD __thread
2155 #else
2156 # define THREAD
2157 #endif
2158 static THREAD int tls_var;
2159 int main(void) { return tls_var; }
2160 EOF
2161
2162 # Check we support --no-pie first; we will need this for building ROMs.
2163 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2164 CFLAGS_NOPIE="-fno-pie"
2165 fi
2166
2167 if test "$static" = "yes"; then
2168 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2169 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
2170 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2171 pie="yes"
2172 elif test "$pie" = "yes"; then
2173 error_exit "-static-pie not available due to missing toolchain support"
2174 else
2175 QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2176 pie="no"
2177 fi
2178 elif test "$pie" = "no"; then
2179 CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS"
2180 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2181 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
2182 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
2183 pie="yes"
2184 elif test "$pie" = "yes"; then
2185 error_exit "PIE not available due to missing toolchain support"
2186 else
2187 echo "Disabling PIE due to missing toolchain support"
2188 pie="no"
2189 fi
2190
2191 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2192 # The combination is known as "full relro", because .got.plt is read-only too.
2193 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2194 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2195 fi
2196
2197 ##########################################
2198 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2199 # use i686 as default anyway, but for those that don't, an explicit
2200 # specification is necessary
2201
2202 if test "$cpu" = "i386"; then
2203 cat > $TMPC << EOF
2204 static int sfaa(int *ptr)
2205 {
2206 return __sync_fetch_and_and(ptr, 0);
2207 }
2208
2209 int main(void)
2210 {
2211 int val = 42;
2212 val = __sync_val_compare_and_swap(&val, 0, 1);
2213 sfaa(&val);
2214 return val;
2215 }
2216 EOF
2217 if ! compile_prog "" "" ; then
2218 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2219 fi
2220 fi
2221
2222 #########################################
2223 # Solaris specific configure tool chain decisions
2224
2225 if test "$solaris" = "yes" ; then
2226 if has ar; then
2227 :
2228 else
2229 if test -f /usr/ccs/bin/ar ; then
2230 error_exit "No path includes ar" \
2231 "Add /usr/ccs/bin to your path and rerun configure"
2232 fi
2233 error_exit "No path includes ar"
2234 fi
2235 fi
2236
2237 if test -z "${target_list+xxx}" ; then
2238 default_targets=yes
2239 for target in $default_target_list; do
2240 target_list="$target_list $target"
2241 done
2242 target_list="${target_list# }"
2243 else
2244 default_targets=no
2245 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2246 for target in $target_list; do
2247 # Check that we recognised the target name; this allows a more
2248 # friendly error message than if we let it fall through.
2249 case " $default_target_list " in
2250 *" $target "*)
2251 ;;
2252 *)
2253 error_exit "Unknown target name '$target'"
2254 ;;
2255 esac
2256 done
2257 fi
2258
2259 for target in $target_list; do
2260 # if a deprecated target is enabled we note it here
2261 if echo "$deprecated_targets_list" | grep -q "$target"; then
2262 add_to deprecated_features $target
2263 fi
2264 done
2265
2266 # see if system emulation was really requested
2267 case " $target_list " in
2268 *"-softmmu "*) softmmu=yes
2269 ;;
2270 *) softmmu=no
2271 ;;
2272 esac
2273
2274 feature_not_found() {
2275 feature=$1
2276 remedy=$2
2277
2278 error_exit "User requested feature $feature" \
2279 "configure was not able to find it." \
2280 "$remedy"
2281 }
2282
2283 # ---
2284 # big/little endian test
2285 cat > $TMPC << EOF
2286 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2287 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2288 extern int foo(short *, short *);
2289 int main(int argc, char *argv[]) {
2290 return foo(big_endian, little_endian);
2291 }
2292 EOF
2293
2294 if compile_object ; then
2295 if strings -a $TMPO | grep -q BiGeNdIaN ; then
2296 bigendian="yes"
2297 elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2298 bigendian="no"
2299 else
2300 echo big/little test failed
2301 fi
2302 else
2303 echo big/little test failed
2304 fi
2305
2306 ##########################################
2307 # system tools
2308 if test -z "$want_tools"; then
2309 if test "$softmmu" = "no"; then
2310 want_tools=no
2311 else
2312 want_tools=yes
2313 fi
2314 fi
2315
2316 ##########################################
2317 # cocoa implies not SDL or GTK
2318 # (the cocoa UI code currently assumes it is always the active UI
2319 # and doesn't interact well with other UI frontend code)
2320 if test "$cocoa" = "enabled"; then
2321 if test "$sdl" = "enabled"; then
2322 error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2323 fi
2324 if test "$gtk" = "yes"; then
2325 error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2326 fi
2327 gtk=no
2328 sdl=disabled
2329 fi
2330
2331 # Some versions of Mac OS X incorrectly define SIZE_MAX
2332 cat > $TMPC << EOF
2333 #include <stdint.h>
2334 #include <stdio.h>
2335 int main(int argc, char *argv[]) {
2336 return printf("%zu", SIZE_MAX);
2337 }
2338 EOF
2339 have_broken_size_max=no
2340 if ! compile_object -Werror ; then
2341 have_broken_size_max=yes
2342 fi
2343
2344 ##########################################
2345 # L2TPV3 probe
2346
2347 cat > $TMPC <<EOF
2348 #include <sys/socket.h>
2349 #include <linux/ip.h>
2350 int main(void) { return sizeof(struct mmsghdr); }
2351 EOF
2352 if compile_prog "" "" ; then
2353 l2tpv3=yes
2354 else
2355 l2tpv3=no
2356 fi
2357
2358 cat > $TMPC <<EOF
2359 #include <sys/mman.h>
2360 int main(int argc, char *argv[]) {
2361 return mlockall(MCL_FUTURE);
2362 }
2363 EOF
2364 if compile_prog "" "" ; then
2365 have_mlockall=yes
2366 else
2367 have_mlockall=no
2368 fi
2369
2370 #########################################
2371 # vhost interdependencies and host support
2372
2373 # vhost backends
2374 if test "$vhost_user" = "yes" && test "$linux" != "yes"; then
2375 error_exit "vhost-user is only available on Linux"
2376 fi
2377 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2378 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2379 error_exit "vhost-vdpa is only available on Linux"
2380 fi
2381 test "$vhost_kernel" = "" && vhost_kernel=$linux
2382 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2383 error_exit "vhost-kernel is only available on Linux"
2384 fi
2385
2386 # vhost-kernel devices
2387 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2388 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2389 error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2390 fi
2391 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2392 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2393 error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2394 fi
2395
2396 # vhost-user backends
2397 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2398 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2399 error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2400 fi
2401 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2402 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2403 error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2404 fi
2405 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2406 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2407 error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2408 fi
2409 #vhost-vdpa backends
2410 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2411 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2412 error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2413 fi
2414
2415 # OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity
2416 if test "$vhost_net" = ""; then
2417 test "$vhost_net_user" = "yes" && vhost_net=yes
2418 test "$vhost_net_vdpa" = "yes" && vhost_net=yes
2419 test "$vhost_kernel" = "yes" && vhost_net=yes
2420 fi
2421
2422 ##########################################
2423 # pkg-config probe
2424
2425 if ! has "$pkg_config_exe"; then
2426 error_exit "pkg-config binary '$pkg_config_exe' not found"
2427 fi
2428
2429 ##########################################
2430 # NPTL probe
2431
2432 if test "$linux_user" = "yes"; then
2433 cat > $TMPC <<EOF
2434 #include <sched.h>
2435 #include <linux/futex.h>
2436 int main(void) {
2437 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2438 #error bork
2439 #endif
2440 return 0;
2441 }
2442 EOF
2443 if ! compile_object ; then
2444 feature_not_found "nptl" "Install glibc and linux kernel headers."
2445 fi
2446 fi
2447
2448 ##########################################
2449 # lzo check
2450
2451 if test "$lzo" != "no" ; then
2452 cat > $TMPC << EOF
2453 #include <lzo/lzo1x.h>
2454 int main(void) { lzo_version(); return 0; }
2455 EOF
2456 if compile_prog "" "-llzo2" ; then
2457 lzo_libs="-llzo2"
2458 lzo="yes"
2459 else
2460 if test "$lzo" = "yes"; then
2461 feature_not_found "liblzo2" "Install liblzo2 devel"
2462 fi
2463 lzo="no"
2464 fi
2465 fi
2466
2467 ##########################################
2468 # snappy check
2469
2470 if test "$snappy" != "no" ; then
2471 cat > $TMPC << EOF
2472 #include <snappy-c.h>
2473 int main(void) { snappy_max_compressed_length(4096); return 0; }
2474 EOF
2475 if compile_prog "" "-lsnappy" ; then
2476 snappy_libs='-lsnappy'
2477 snappy="yes"
2478 else
2479 if test "$snappy" = "yes"; then
2480 feature_not_found "libsnappy" "Install libsnappy devel"
2481 fi
2482 snappy="no"
2483 fi
2484 fi
2485
2486 ##########################################
2487 # bzip2 check
2488
2489 if test "$bzip2" != "no" ; then
2490 cat > $TMPC << EOF
2491 #include <bzlib.h>
2492 int main(void) { BZ2_bzlibVersion(); return 0; }
2493 EOF
2494 if compile_prog "" "-lbz2" ; then
2495 bzip2="yes"
2496 else
2497 if test "$bzip2" = "yes"; then
2498 feature_not_found "libbzip2" "Install libbzip2 devel"
2499 fi
2500 bzip2="no"
2501 fi
2502 fi
2503
2504 ##########################################
2505 # lzfse check
2506
2507 if test "$lzfse" != "no" ; then
2508 cat > $TMPC << EOF
2509 #include <lzfse.h>
2510 int main(void) { lzfse_decode_scratch_size(); return 0; }
2511 EOF
2512 if compile_prog "" "-llzfse" ; then
2513 lzfse="yes"
2514 else
2515 if test "$lzfse" = "yes"; then
2516 feature_not_found "lzfse" "Install lzfse devel"
2517 fi
2518 lzfse="no"
2519 fi
2520 fi
2521
2522 ##########################################
2523 # zstd check
2524
2525 if test "$zstd" != "no" ; then
2526 libzstd_minver="1.4.0"
2527 if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2528 zstd_cflags="$($pkg_config --cflags libzstd)"
2529 zstd_libs="$($pkg_config --libs libzstd)"
2530 zstd="yes"
2531 else
2532 if test "$zstd" = "yes" ; then
2533 feature_not_found "libzstd" "Install libzstd devel"
2534 fi
2535 zstd="no"
2536 fi
2537 fi
2538
2539 ##########################################
2540 # libseccomp check
2541
2542 if test "$seccomp" != "no" ; then
2543 libseccomp_minver="2.3.0"
2544 if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2545 seccomp_cflags="$($pkg_config --cflags libseccomp)"
2546 seccomp_libs="$($pkg_config --libs libseccomp)"
2547 seccomp="yes"
2548 else
2549 if test "$seccomp" = "yes" ; then
2550 feature_not_found "libseccomp" \
2551 "Install libseccomp devel >= $libseccomp_minver"
2552 fi
2553 seccomp="no"
2554 fi
2555 fi
2556
2557 ##########################################
2558 # xen probe
2559
2560 if test "$xen" != "disabled" ; then
2561 # Check whether Xen library path is specified via --extra-ldflags to avoid
2562 # overriding this setting with pkg-config output. If not, try pkg-config
2563 # to obtain all needed flags.
2564
2565 if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2566 $pkg_config --exists xencontrol ; then
2567 xen_ctrl_version="$(printf '%d%02d%02d' \
2568 $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2569 xen=enabled
2570 xen_pc="xencontrol xenstore xenforeignmemory xengnttab"
2571 xen_pc="$xen_pc xenevtchn xendevicemodel"
2572 if $pkg_config --exists xentoolcore; then
2573 xen_pc="$xen_pc xentoolcore"
2574 fi
2575 xen_cflags="$($pkg_config --cflags $xen_pc)"
2576 xen_libs="$($pkg_config --libs $xen_pc)"
2577 else
2578
2579 xen_libs="-lxenstore -lxenctrl"
2580 xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2581
2582 # First we test whether Xen headers and libraries are available.
2583 # If no, we are done and there is no Xen support.
2584 # If yes, more tests are run to detect the Xen version.
2585
2586 # Xen (any)
2587 cat > $TMPC <<EOF
2588 #include <xenctrl.h>
2589 int main(void) {
2590 return 0;
2591 }
2592 EOF
2593 if ! compile_prog "" "$xen_libs" ; then
2594 # Xen not found
2595 if test "$xen" = "enabled" ; then
2596 feature_not_found "xen" "Install xen devel"
2597 fi
2598 xen=disabled
2599
2600 # Xen unstable
2601 elif
2602 cat > $TMPC <<EOF &&
2603 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2604 #define __XEN_TOOLS__
2605 #include <xendevicemodel.h>
2606 #include <xenforeignmemory.h>
2607 int main(void) {
2608 xendevicemodel_handle *xd;
2609 xenforeignmemory_handle *xfmem;
2610
2611 xd = xendevicemodel_open(0, 0);
2612 xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2613
2614 xfmem = xenforeignmemory_open(0, 0);
2615 xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2616
2617 return 0;
2618 }
2619 EOF
2620 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2621 then
2622 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2623 xen_ctrl_version=41100
2624 xen=enabled
2625 elif
2626 cat > $TMPC <<EOF &&
2627 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2628 #include <xenforeignmemory.h>
2629 #include <xentoolcore.h>
2630 int main(void) {
2631 xenforeignmemory_handle *xfmem;
2632
2633 xfmem = xenforeignmemory_open(0, 0);
2634 xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2635 xentoolcore_restrict_all(0);
2636
2637 return 0;
2638 }
2639 EOF
2640 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2641 then
2642 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2643 xen_ctrl_version=41000
2644 xen=enabled
2645 elif
2646 cat > $TMPC <<EOF &&
2647 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2648 #define __XEN_TOOLS__
2649 #include <xendevicemodel.h>
2650 int main(void) {
2651 xendevicemodel_handle *xd;
2652
2653 xd = xendevicemodel_open(0, 0);
2654 xendevicemodel_close(xd);
2655
2656 return 0;
2657 }
2658 EOF
2659 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2660 then
2661 xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2662 xen_ctrl_version=40900
2663 xen=enabled
2664 elif
2665 cat > $TMPC <<EOF &&
2666 /*
2667 * If we have stable libs the we don't want the libxc compat
2668 * layers, regardless of what CFLAGS we may have been given.
2669 *
2670 * Also, check if xengnttab_grant_copy_segment_t is defined and
2671 * grant copy operation is implemented.
2672 */
2673 #undef XC_WANT_COMPAT_EVTCHN_API
2674 #undef XC_WANT_COMPAT_GNTTAB_API
2675 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2676 #include <xenctrl.h>
2677 #include <xenstore.h>
2678 #include <xenevtchn.h>
2679 #include <xengnttab.h>
2680 #include <xenforeignmemory.h>
2681 #include <stdint.h>
2682 #include <xen/hvm/hvm_info_table.h>
2683 #if !defined(HVM_MAX_VCPUS)
2684 # error HVM_MAX_VCPUS not defined
2685 #endif
2686 int main(void) {
2687 xc_interface *xc = NULL;
2688 xenforeignmemory_handle *xfmem;
2689 xenevtchn_handle *xe;
2690 xengnttab_handle *xg;
2691 xengnttab_grant_copy_segment_t* seg = NULL;
2692
2693 xs_daemon_open();
2694
2695 xc = xc_interface_open(0, 0, 0);
2696 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2697 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2698 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2699 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2700
2701 xfmem = xenforeignmemory_open(0, 0);
2702 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2703
2704 xe = xenevtchn_open(0, 0);
2705 xenevtchn_fd(xe);
2706
2707 xg = xengnttab_open(0, 0);
2708 xengnttab_grant_copy(xg, 0, seg);
2709
2710 return 0;
2711 }
2712 EOF
2713 compile_prog "" "$xen_libs $xen_stable_libs"
2714 then
2715 xen_ctrl_version=40800
2716 xen=enabled
2717 elif
2718 cat > $TMPC <<EOF &&
2719 /*
2720 * If we have stable libs the we don't want the libxc compat
2721 * layers, regardless of what CFLAGS we may have been given.
2722 */
2723 #undef XC_WANT_COMPAT_EVTCHN_API
2724 #undef XC_WANT_COMPAT_GNTTAB_API
2725 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2726 #include <xenctrl.h>
2727 #include <xenstore.h>
2728 #include <xenevtchn.h>
2729 #include <xengnttab.h>
2730 #include <xenforeignmemory.h>
2731 #include <stdint.h>
2732 #include <xen/hvm/hvm_info_table.h>
2733 #if !defined(HVM_MAX_VCPUS)
2734 # error HVM_MAX_VCPUS not defined
2735 #endif
2736 int main(void) {
2737 xc_interface *xc = NULL;
2738 xenforeignmemory_handle *xfmem;
2739 xenevtchn_handle *xe;
2740 xengnttab_handle *xg;
2741
2742 xs_daemon_open();
2743
2744 xc = xc_interface_open(0, 0, 0);
2745 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2746 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2747 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2748 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2749
2750 xfmem = xenforeignmemory_open(0, 0);
2751 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2752
2753 xe = xenevtchn_open(0, 0);
2754 xenevtchn_fd(xe);
2755
2756 xg = xengnttab_open(0, 0);
2757 xengnttab_map_grant_ref(xg, 0, 0, 0);
2758
2759 return 0;
2760 }
2761 EOF
2762 compile_prog "" "$xen_libs $xen_stable_libs"
2763 then
2764 xen_ctrl_version=40701
2765 xen=enabled
2766
2767 # Xen 4.6
2768 elif
2769 cat > $TMPC <<EOF &&
2770 #include <xenctrl.h>
2771 #include <xenstore.h>
2772 #include <stdint.h>
2773 #include <xen/hvm/hvm_info_table.h>
2774 #if !defined(HVM_MAX_VCPUS)
2775 # error HVM_MAX_VCPUS not defined
2776 #endif
2777 int main(void) {
2778 xc_interface *xc;
2779 xs_daemon_open();
2780 xc = xc_interface_open(0, 0, 0);
2781 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2782 xc_gnttab_open(NULL, 0);
2783 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2784 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2785 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2786 xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2787 return 0;
2788 }
2789 EOF
2790 compile_prog "" "$xen_libs"
2791 then
2792 xen_ctrl_version=40600
2793 xen=enabled
2794
2795 # Xen 4.5
2796 elif
2797 cat > $TMPC <<EOF &&
2798 #include <xenctrl.h>
2799 #include <xenstore.h>
2800 #include <stdint.h>
2801 #include <xen/hvm/hvm_info_table.h>
2802 #if !defined(HVM_MAX_VCPUS)
2803 # error HVM_MAX_VCPUS not defined
2804 #endif
2805 int main(void) {
2806 xc_interface *xc;
2807 xs_daemon_open();
2808 xc = xc_interface_open(0, 0, 0);
2809 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2810 xc_gnttab_open(NULL, 0);
2811 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2812 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2813 xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2814 return 0;
2815 }
2816 EOF
2817 compile_prog "" "$xen_libs"
2818 then
2819 xen_ctrl_version=40500
2820 xen=enabled
2821
2822 elif
2823 cat > $TMPC <<EOF &&
2824 #include <xenctrl.h>
2825 #include <xenstore.h>
2826 #include <stdint.h>
2827 #include <xen/hvm/hvm_info_table.h>
2828 #if !defined(HVM_MAX_VCPUS)
2829 # error HVM_MAX_VCPUS not defined
2830 #endif
2831 int main(void) {
2832 xc_interface *xc;
2833 xs_daemon_open();
2834 xc = xc_interface_open(0, 0, 0);
2835 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2836 xc_gnttab_open(NULL, 0);
2837 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2838 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2839 return 0;
2840 }
2841 EOF
2842 compile_prog "" "$xen_libs"
2843 then
2844 xen_ctrl_version=40200
2845 xen=enabled
2846
2847 else
2848 if test "$xen" = "enabled" ; then
2849 feature_not_found "xen (unsupported version)" \
2850 "Install a supported xen (xen 4.2 or newer)"
2851 fi
2852 xen=disabled
2853 fi
2854
2855 if test "$xen" = enabled; then
2856 if test $xen_ctrl_version -ge 40701 ; then
2857 xen_libs="$xen_libs $xen_stable_libs "
2858 fi
2859 fi
2860 fi
2861 fi
2862
2863 if test "$xen_pci_passthrough" != "disabled"; then
2864 if test "$xen" = "enabled" && test "$linux" = "yes"; then
2865 xen_pci_passthrough=enabled
2866 else
2867 if test "$xen_pci_passthrough" = "enabled"; then
2868 error_exit "User requested feature Xen PCI Passthrough" \
2869 " but this feature requires /sys from Linux"
2870 fi
2871 xen_pci_passthrough=disabled
2872 fi
2873 fi
2874
2875 ##########################################
2876 # X11 probe
2877 if $pkg_config --exists "x11"; then
2878 have_x11=yes
2879 x11_cflags=$($pkg_config --cflags x11)
2880 x11_libs=$($pkg_config --libs x11)
2881 fi
2882
2883 ##########################################
2884 # GTK probe
2885
2886 if test "$gtk" != "no"; then
2887 gtkpackage="gtk+-3.0"
2888 gtkx11package="gtk+-x11-3.0"
2889 gtkversion="3.22.0"
2890 if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2891 gtk_cflags=$($pkg_config --cflags $gtkpackage)
2892 gtk_libs=$($pkg_config --libs $gtkpackage)
2893 gtk_version=$($pkg_config --modversion $gtkpackage)
2894 if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2895 need_x11=yes
2896 gtk_cflags="$gtk_cflags $x11_cflags"
2897 gtk_libs="$gtk_libs $x11_libs"
2898 fi
2899 gtk="yes"
2900 elif test "$gtk" = "yes"; then
2901 feature_not_found "gtk" "Install gtk3-devel"
2902 else
2903 gtk="no"
2904 fi
2905 fi
2906
2907
2908 ##########################################
2909 # GNUTLS probe
2910
2911 if test "$gnutls" != "no"; then
2912 pass="no"
2913 if $pkg_config --exists "gnutls >= 3.1.18"; then
2914 gnutls_cflags=$($pkg_config --cflags gnutls)
2915 gnutls_libs=$($pkg_config --libs gnutls)
2916 # Packaging for the static libraries is not always correct.
2917 # At least ubuntu 18.04 ships only shared libraries.
2918 write_c_skeleton
2919 if compile_prog "" "$gnutls_libs" ; then
2920 pass="yes"
2921 fi
2922 fi
2923 if test "$pass" = "no" && test "$gnutls" = "yes"; then
2924 feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2925 else
2926 gnutls="$pass"
2927 fi
2928 fi
2929
2930
2931 # If user didn't give a --disable/enable-gcrypt flag,
2932 # then mark as disabled if user requested nettle
2933 # explicitly
2934 if test -z "$gcrypt"
2935 then
2936 if test "$nettle" = "yes"
2937 then
2938 gcrypt="no"
2939 fi
2940 fi
2941
2942 # If user didn't give a --disable/enable-nettle flag,
2943 # then mark as disabled if user requested gcrypt
2944 # explicitly
2945 if test -z "$nettle"
2946 then
2947 if test "$gcrypt" = "yes"
2948 then
2949 nettle="no"
2950 fi
2951 fi
2952
2953 has_libgcrypt() {
2954 if ! has "libgcrypt-config"
2955 then
2956 return 1
2957 fi
2958
2959 if test -n "$cross_prefix"
2960 then
2961 host=$(libgcrypt-config --host)
2962 if test "$host-" != $cross_prefix
2963 then
2964 return 1
2965 fi
2966 fi
2967
2968 maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2969 min=`libgcrypt-config --version | awk -F . '{print $2}'`
2970
2971 if test $maj != 1 || test $min -lt 5
2972 then
2973 return 1
2974 fi
2975
2976 return 0
2977 }
2978
2979
2980 if test "$nettle" != "no"; then
2981 pass="no"
2982 if $pkg_config --exists "nettle >= 2.7.1"; then
2983 nettle_cflags=$($pkg_config --cflags nettle)
2984 nettle_libs=$($pkg_config --libs nettle)
2985 nettle_version=$($pkg_config --modversion nettle)
2986 # Link test to make sure the given libraries work (e.g for static).
2987 write_c_skeleton
2988 if compile_prog "" "$nettle_libs" ; then
2989 if test -z "$gcrypt"; then
2990 gcrypt="no"
2991 fi
2992 pass="yes"
2993 fi
2994 fi
2995 if test "$pass" = "yes"
2996 then
2997 cat > $TMPC << EOF
2998 #include <nettle/xts.h>
2999 int main(void) {
3000 return 0;
3001 }
3002 EOF
3003 if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3004 nettle_xts=yes
3005 qemu_private_xts=no
3006 fi
3007 fi
3008 if test "$pass" = "no" && test "$nettle" = "yes"; then
3009 feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3010 else
3011 nettle="$pass"
3012 fi
3013 fi
3014
3015 if test "$gcrypt" != "no"; then
3016 pass="no"
3017 if has_libgcrypt; then
3018 gcrypt_cflags=$(libgcrypt-config --cflags)
3019 gcrypt_libs=$(libgcrypt-config --libs)
3020 # Debian has removed -lgpg-error from libgcrypt-config
3021 # as it "spreads unnecessary dependencies" which in
3022 # turn breaks static builds...
3023 if test "$static" = "yes"
3024 then
3025 gcrypt_libs="$gcrypt_libs -lgpg-error"
3026 fi
3027
3028 # Link test to make sure the given libraries work (e.g for static).
3029 write_c_skeleton
3030 if compile_prog "" "$gcrypt_libs" ; then
3031 pass="yes"
3032 fi
3033 fi
3034 if test "$pass" = "yes"; then
3035 gcrypt="yes"
3036 cat > $TMPC << EOF
3037 #include <gcrypt.h>
3038 int main(void) {
3039 gcry_mac_hd_t handle;
3040 gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3041 GCRY_MAC_FLAG_SECURE, NULL);
3042 return 0;
3043 }
3044 EOF
3045 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3046 gcrypt_hmac=yes
3047 fi
3048 cat > $TMPC << EOF
3049 #include <gcrypt.h>
3050 int main(void) {
3051 gcry_cipher_hd_t handle;
3052 gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3053 return 0;
3054 }
3055 EOF
3056 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3057 gcrypt_xts=yes
3058 qemu_private_xts=no
3059 fi
3060 elif test "$gcrypt" = "yes"; then
3061 feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3062 else
3063 gcrypt="no"
3064 fi
3065 fi
3066
3067
3068 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3069 then
3070 error_exit "Only one of gcrypt & nettle can be enabled"
3071 fi
3072
3073 ##########################################
3074 # libtasn1 - only for the TLS creds/session test suite
3075
3076 tasn1=yes
3077 tasn1_cflags=""
3078 tasn1_libs=""
3079 if $pkg_config --exists "libtasn1"; then
3080 tasn1_cflags=$($pkg_config --cflags libtasn1)
3081 tasn1_libs=$($pkg_config --libs libtasn1)
3082 else
3083 tasn1=no
3084 fi
3085
3086
3087 ##########################################
3088 # PAM probe
3089
3090 if test "$auth_pam" != "no"; then
3091 cat > $TMPC <<EOF
3092 #include <security/pam_appl.h>
3093 #include <stdio.h>
3094 int main(void) {
3095 const char *service_name = "qemu";
3096 const char *user = "frank";
3097 const struct pam_conv pam_conv = { 0 };
3098 pam_handle_t *pamh = NULL;
3099 pam_start(service_name, user, &pam_conv, &pamh);
3100 return 0;
3101 }
3102 EOF
3103 if compile_prog "" "-lpam" ; then
3104 auth_pam=yes
3105 else
3106 if test "$auth_pam" = "yes"; then
3107 feature_not_found "PAM" "Install PAM development package"
3108 else
3109 auth_pam=no
3110 fi
3111 fi
3112 fi
3113
3114 ##########################################
3115 # VTE probe
3116
3117 if test "$vte" != "no"; then
3118 vteminversion="0.32.0"
3119 if $pkg_config --exists "vte-2.91"; then
3120 vtepackage="vte-2.91"
3121 else
3122 vtepackage="vte-2.90"
3123 fi
3124 if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3125 vte_cflags=$($pkg_config --cflags $vtepackage)
3126 vte_libs=$($pkg_config --libs $vtepackage)
3127 vteversion=$($pkg_config --modversion $vtepackage)
3128 vte="yes"
3129 elif test "$vte" = "yes"; then
3130 feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3131 else
3132 vte="no"
3133 fi
3134 fi
3135
3136 ##########################################
3137 # RDMA needs OpenFabrics libraries
3138 if test "$rdma" != "no" ; then
3139 cat > $TMPC <<EOF
3140 #include <rdma/rdma_cma.h>
3141 int main(void) { return 0; }
3142 EOF
3143 rdma_libs="-lrdmacm -libverbs -libumad"
3144 if compile_prog "" "$rdma_libs" ; then
3145 rdma="yes"
3146 else
3147 if test "$rdma" = "yes" ; then
3148 error_exit \
3149 " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3150 " Your options:" \
3151 " (1) Fast: Install infiniband packages (devel) from your distro." \
3152 " (2) Cleanest: Install libraries from www.openfabrics.org" \
3153 " (3) Also: Install softiwarp if you don't have RDMA hardware"
3154 fi
3155 rdma="no"
3156 fi
3157 fi
3158
3159 ##########################################
3160 # PVRDMA detection
3161
3162 cat > $TMPC <<EOF &&
3163 #include <sys/mman.h>
3164
3165 int
3166 main(void)
3167 {
3168 char buf = 0;
3169 void *addr = &buf;
3170 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3171
3172 return 0;
3173 }
3174 EOF
3175
3176 if test "$rdma" = "yes" ; then
3177 case "$pvrdma" in
3178 "")
3179 if compile_prog "" ""; then
3180 pvrdma="yes"
3181 else
3182 pvrdma="no"
3183 fi
3184 ;;
3185 "yes")
3186 if ! compile_prog "" ""; then
3187 error_exit "PVRDMA is not supported since mremap is not implemented"
3188 fi
3189 pvrdma="yes"
3190 ;;
3191 "no")
3192 pvrdma="no"
3193 ;;
3194 esac
3195 else
3196 if test "$pvrdma" = "yes" ; then
3197 error_exit "PVRDMA requires rdma suppport"
3198 fi
3199 pvrdma="no"
3200 fi
3201
3202 # Let's see if enhanced reg_mr is supported
3203 if test "$pvrdma" = "yes" ; then
3204
3205 cat > $TMPC <<EOF &&
3206 #include <infiniband/verbs.h>
3207
3208 int
3209 main(void)
3210 {
3211 struct ibv_mr *mr;
3212 struct ibv_pd *pd = NULL;
3213 size_t length = 10;
3214 uint64_t iova = 0;
3215 int access = 0;
3216 void *addr = NULL;
3217
3218 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3219
3220 ibv_dereg_mr(mr);
3221
3222 return 0;
3223 }
3224 EOF
3225 if ! compile_prog "" "-libverbs"; then
3226 QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3227 fi
3228 fi
3229
3230 ##########################################
3231 # xfsctl() probe, used for file-posix.c
3232 if test "$xfs" != "no" ; then
3233 cat > $TMPC << EOF
3234 #include <stddef.h> /* NULL */
3235 #include <xfs/xfs.h>
3236 int main(void)
3237 {
3238 xfsctl(NULL, 0, 0, NULL);
3239 return 0;
3240 }
3241 EOF
3242 if compile_prog "" "" ; then
3243 xfs="yes"
3244 else
3245 if test "$xfs" = "yes" ; then
3246 feature_not_found "xfs" "Install xfsprogs/xfslibs devel"
3247 fi
3248 xfs=no
3249 fi
3250 fi
3251
3252 ##########################################
3253 # vde libraries probe
3254 if test "$vde" != "no" ; then
3255 vde_libs="-lvdeplug"
3256 cat > $TMPC << EOF
3257 #include <libvdeplug.h>
3258 int main(void)
3259 {
3260 struct vde_open_args a = {0, 0, 0};
3261 char s[] = "";
3262 vde_open(s, s, &a);
3263 return 0;
3264 }
3265 EOF
3266 if compile_prog "" "$vde_libs" ; then
3267 vde=yes
3268 else
3269 if test "$vde" = "yes" ; then
3270 feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3271 fi
3272 vde=no
3273 fi
3274 fi
3275
3276 ##########################################
3277 # netmap support probe
3278 # Apart from looking for netmap headers, we make sure that the host API version
3279 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3280 # a minor/major version number. Minor new features will be marked with values up
3281 # to 15, and if something happens that requires a change to the backend we will
3282 # move above 15, submit the backend fixes and modify this two bounds.
3283 if test "$netmap" != "no" ; then
3284 cat > $TMPC << EOF
3285 #include <inttypes.h>
3286 #include <net/if.h>
3287 #include <net/netmap.h>
3288 #include <net/netmap_user.h>
3289 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3290 #error
3291 #endif
3292 int main(void) { return 0; }
3293 EOF
3294 if compile_prog "" "" ; then
3295 netmap=yes
3296 else
3297 if test "$netmap" = "yes" ; then
3298 feature_not_found "netmap"
3299 fi
3300 netmap=no
3301 fi
3302 fi
3303
3304 ##########################################
3305 # libcap-ng library probe
3306 if test "$cap_ng" != "no" ; then
3307 cap_libs="-lcap-ng"
3308 cat > $TMPC << EOF
3309 #include <cap-ng.h>
3310 int main(void)
3311 {
3312 capng_capability_to_name(CAPNG_EFFECTIVE);
3313 return 0;
3314 }
3315 EOF
3316 if compile_prog "" "$cap_libs" ; then
3317 cap_ng=yes
3318 else
3319 if test "$cap_ng" = "yes" ; then
3320 feature_not_found "cap_ng" "Install libcap-ng devel"
3321 fi
3322 cap_ng=no
3323 fi
3324 fi
3325
3326 ##########################################
3327 # Sound support libraries probe
3328
3329 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3330 for drv in $audio_drv_list; do
3331 case $drv in
3332 alsa | try-alsa)
3333 if $pkg_config alsa --exists; then
3334 alsa_libs=$($pkg_config alsa --libs)
3335 alsa_cflags=$($pkg_config alsa --cflags)
3336 alsa=yes
3337 if test "$drv" = "try-alsa"; then
3338 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3339 fi
3340 else
3341 if test "$drv" = "try-alsa"; then
3342 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3343 else
3344 error_exit "$drv check failed" \
3345 "Make sure to have the $drv libs and headers installed."
3346 fi
3347 fi
3348 ;;
3349
3350 pa | try-pa)
3351 if $pkg_config libpulse --exists; then
3352 libpulse=yes
3353 pulse_libs=$($pkg_config libpulse --libs)
3354 pulse_cflags=$($pkg_config libpulse --cflags)
3355 if test "$drv" = "try-pa"; then
3356 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3357 fi
3358 else
3359 if test "$drv" = "try-pa"; then
3360 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3361 else
3362 error_exit "$drv check failed" \
3363 "Make sure to have the $drv libs and headers installed."
3364 fi
3365 fi
3366 ;;
3367
3368 sdl)
3369 if test "$sdl" = "no"; then
3370 error_exit "sdl not found or disabled, can not use sdl audio driver"
3371 fi
3372 ;;
3373
3374 try-sdl)
3375 if test "$sdl" = "no"; then
3376 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3377 else
3378 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3379 fi
3380 ;;
3381
3382 coreaudio)
3383 coreaudio_libs="-framework CoreAudio"
3384 ;;
3385
3386 dsound)
3387 dsound_libs="-lole32 -ldxguid"
3388 audio_win_int="yes"
3389 ;;
3390
3391 oss)
3392 oss_libs="$oss_lib"
3393 ;;
3394
3395 jack | try-jack)
3396 if $pkg_config jack --exists; then
3397 libjack=yes
3398 jack_libs=$($pkg_config jack --libs)
3399 if test "$drv" = "try-jack"; then
3400 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3401 fi
3402 else
3403 if test "$drv" = "try-jack"; then
3404 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3405 else
3406 error_exit "$drv check failed" \
3407 "Make sure to have the $drv libs and headers installed."
3408 fi
3409 fi
3410 ;;
3411
3412 *)
3413 echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3414 error_exit "Unknown driver '$drv' selected" \
3415 "Possible drivers are: $audio_possible_drivers"
3416 }
3417 ;;
3418 esac
3419 done
3420
3421 ##########################################
3422 # BrlAPI probe
3423
3424 if test "$brlapi" != "no" ; then
3425 brlapi_libs="-lbrlapi"
3426 cat > $TMPC << EOF
3427 #include <brlapi.h>
3428 #include <stddef.h>
3429 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3430 EOF
3431 if compile_prog "" "$brlapi_libs" ; then
3432 brlapi=yes
3433 else
3434 if test "$brlapi" = "yes" ; then
3435 feature_not_found "brlapi" "Install brlapi devel"
3436 fi
3437 brlapi=no
3438 fi
3439 fi
3440
3441 ##########################################
3442 # curl probe
3443 if test "$curl" != "no" ; then
3444 if $pkg_config libcurl --exists; then
3445 curlconfig="$pkg_config libcurl"
3446 else
3447 curlconfig=curl-config
3448 fi
3449 cat > $TMPC << EOF
3450 #include <curl/curl.h>
3451 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3452 EOF
3453 curl_cflags=$($curlconfig --cflags 2>/dev/null)
3454 curl_libs=$($curlconfig --libs 2>/dev/null)
3455 if compile_prog "$curl_cflags" "$curl_libs" ; then
3456 curl=yes
3457 else
3458 if test "$curl" = "yes" ; then
3459 feature_not_found "curl" "Install libcurl devel"
3460 fi
3461 curl=no
3462 fi
3463 fi # test "$curl"
3464
3465 ##########################################
3466 # glib support probe
3467
3468 glib_req_ver=2.48
3469 glib_modules=gthread-2.0
3470 if test "$modules" = yes; then
3471 glib_modules="$glib_modules gmodule-export-2.0"
3472 fi
3473 if test "$plugins" = yes; then
3474 glib_modules="$glib_modules gmodule-2.0"
3475 fi
3476
3477 for i in $glib_modules; do
3478 if $pkg_config --atleast-version=$glib_req_ver $i; then
3479 glib_cflags=$($pkg_config --cflags $i)
3480 glib_libs=$($pkg_config --libs $i)
3481 else
3482 error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3483 fi
3484 done
3485
3486 # This workaround is required due to a bug in pkg-config file for glib as it
3487 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3488
3489 if test "$static" = yes && test "$mingw32" = yes; then
3490 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
3491 fi
3492
3493 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3494 gio_cflags=$($pkg_config --cflags gio-2.0)
3495 gio_libs=$($pkg_config --libs gio-2.0)
3496 gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3497 if [ ! -x "$gdbus_codegen" ]; then
3498 gdbus_codegen=
3499 fi
3500 # Check that the libraries actually work -- Ubuntu 18.04 ships
3501 # with pkg-config --static --libs data for gio-2.0 that is missing
3502 # -lblkid and will give a link error.
3503 cat > $TMPC <<EOF
3504 #include <gio/gio.h>
3505 int main(void)
3506 {
3507 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
3508 return 0;
3509 }
3510 EOF
3511 if compile_prog "$gio_cflags" "$gio_libs" ; then
3512 gio=yes
3513 else
3514 gio=no
3515 fi
3516 else
3517 gio=no
3518 fi
3519
3520 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3521 gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3522 gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3523 fi
3524
3525 # Sanity check that the current size_t matches the
3526 # size that glib thinks it should be. This catches
3527 # problems on multi-arch where people try to build
3528 # 32-bit QEMU while pointing at 64-bit glib headers
3529 cat > $TMPC <<EOF
3530 #include <glib.h>
3531 #include <unistd.h>
3532
3533 #define QEMU_BUILD_BUG_ON(x) \
3534 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3535
3536 int main(void) {
3537 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3538 return 0;
3539 }
3540 EOF
3541
3542 if ! compile_prog "$glib_cflags" "$glib_libs" ; then
3543 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3544 "You probably need to set PKG_CONFIG_LIBDIR"\
3545 "to point to the right pkg-config files for your"\
3546 "build target"
3547 fi
3548
3549 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3550 cat > $TMPC << EOF
3551 #include <glib.h>
3552 int main(void) { return 0; }
3553 EOF
3554 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3555 if cc_has_warning_flag "-Wno-unknown-attributes"; then
3556 glib_cflags="-Wno-unknown-attributes $glib_cflags"
3557 CONFIGURE_CFLAGS="-Wno-unknown-attributes $CONFIGURE_CFLAGS"
3558 fi
3559 fi
3560
3561 # Silence clang warnings triggered by glib < 2.57.2
3562 cat > $TMPC << EOF
3563 #include <glib.h>
3564 typedef struct Foo {
3565 int i;
3566 } Foo;
3567 static void foo_free(Foo *f)
3568 {
3569 g_free(f);
3570 }
3571 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
3572 int main(void) { return 0; }
3573 EOF
3574 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3575 if cc_has_warning_flag "-Wno-unused-function"; then
3576 glib_cflags="$glib_cflags -Wno-unused-function"
3577 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
3578 fi
3579 fi
3580
3581 ##########################################
3582 # SHA command probe for modules
3583 if test "$modules" = yes; then
3584 shacmd_probe="sha1sum sha1 shasum"
3585 for c in $shacmd_probe; do
3586 if has $c; then
3587 shacmd="$c"
3588 break
3589 fi
3590 done
3591 if test "$shacmd" = ""; then
3592 error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3593 fi
3594 fi
3595
3596 ##########################################
3597 # pthread probe
3598 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3599
3600 pthread=no
3601 cat > $TMPC << EOF
3602 #include <pthread.h>
3603 static void *f(void *p) { return NULL; }
3604 int main(void) {
3605 pthread_t thread;
3606 pthread_create(&thread, 0, f, 0);
3607 return 0;
3608 }
3609 EOF
3610 if compile_prog "" "" ; then
3611 pthread=yes
3612 else
3613 for pthread_lib in $PTHREADLIBS_LIST; do
3614 if compile_prog "" "$pthread_lib" ; then
3615 pthread=yes
3616 found=no
3617 for lib_entry in $LIBS; do
3618 if test "$lib_entry" = "$pthread_lib"; then
3619 found=yes
3620 break
3621 fi
3622 done
3623 if test "$found" = "no"; then
3624 LIBS="$pthread_lib $LIBS"
3625 fi
3626 break
3627 fi
3628 done
3629 fi
3630
3631 if test "$mingw32" != yes && test "$pthread" = no; then
3632 error_exit "pthread check failed" \
3633 "Make sure to have the pthread libs and headers installed."
3634 fi
3635
3636 # check for pthread_setname_np with thread id
3637 pthread_setname_np_w_tid=no
3638 cat > $TMPC << EOF
3639 #include <pthread.h>
3640
3641 static void *f(void *p) { return NULL; }
3642 int main(void)
3643 {
3644 pthread_t thread;
3645 pthread_create(&thread, 0, f, 0);
3646 pthread_setname_np(thread, "QEMU");
3647 return 0;
3648 }
3649 EOF
3650 if compile_prog "" "$pthread_lib" ; then
3651 pthread_setname_np_w_tid=yes
3652 fi
3653
3654 # check for pthread_setname_np without thread id
3655 pthread_setname_np_wo_tid=no
3656 cat > $TMPC << EOF
3657 #include <pthread.h>
3658
3659 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
3660 int main(void)
3661 {
3662 pthread_t thread;
3663 pthread_create(&thread, 0, f, 0);
3664 return 0;
3665 }
3666 EOF
3667 if compile_prog "" "$pthread_lib" ; then
3668 pthread_setname_np_wo_tid=yes
3669 fi
3670
3671 ##########################################
3672 # rbd probe
3673 if test "$rbd" != "no" ; then
3674 cat > $TMPC <<EOF
3675 #include <stdio.h>
3676 #include <rbd/librbd.h>
3677 int main(void) {
3678 rados_t cluster;
3679 rados_create(&cluster, NULL);
3680 return 0;
3681 }
3682 EOF
3683 rbd_libs="-lrbd -lrados"
3684 if compile_prog "" "$rbd_libs" ; then
3685 rbd=yes
3686 else
3687 if test "$rbd" = "yes" ; then
3688 feature_not_found "rados block device" "Install librbd/ceph devel"
3689 fi
3690 rbd=no
3691 fi
3692 fi
3693
3694 ##########################################
3695 # libssh probe
3696 if test "$libssh" != "no" ; then
3697 if $pkg_config --exists libssh; then
3698 libssh_cflags=$($pkg_config libssh --cflags)
3699 libssh_libs=$($pkg_config libssh --libs)
3700 libssh=yes
3701 else
3702 if test "$libssh" = "yes" ; then
3703 error_exit "libssh required for --enable-libssh"
3704 fi
3705 libssh=no
3706 fi
3707 fi
3708
3709 ##########################################
3710 # Check for libssh 0.8
3711 # This is done like this instead of using the LIBSSH_VERSION_* and
3712 # SSH_VERSION_* macros because some distributions in the past shipped
3713 # snapshots of the future 0.8 from Git, and those snapshots did not
3714 # have updated version numbers (still referring to 0.7.0).
3715
3716 if test "$libssh" = "yes"; then
3717 cat > $TMPC <<EOF
3718 #include <libssh/libssh.h>
3719 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
3720 EOF
3721 if compile_prog "$libssh_cflags" "$libssh_libs"; then
3722 libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
3723 fi
3724 fi
3725
3726 ##########################################
3727 # linux-aio probe
3728
3729 if test "$linux_aio" != "no" ; then
3730 cat > $TMPC <<EOF
3731 #include <libaio.h>
3732 #include <sys/eventfd.h>
3733 #include <stddef.h>
3734 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3735 EOF
3736 if compile_prog "" "-laio" ; then
3737 linux_aio=yes
3738 else
3739 if test "$linux_aio" = "yes" ; then
3740 feature_not_found "linux AIO" "Install libaio devel"
3741 fi
3742 linux_aio=no
3743 fi
3744 fi
3745 ##########################################
3746 # linux-io-uring probe
3747
3748 if test "$linux_io_uring" != "no" ; then
3749 if $pkg_config liburing; then
3750 linux_io_uring_cflags=$($pkg_config --cflags liburing)
3751 linux_io_uring_libs=$($pkg_config --libs liburing)
3752 linux_io_uring=yes
3753 else
3754 if test "$linux_io_uring" = "yes" ; then
3755 feature_not_found "linux io_uring" "Install liburing devel"
3756 fi
3757 linux_io_uring=no
3758 fi
3759 fi
3760
3761 ##########################################
3762 # TPM emulation is only on POSIX
3763
3764 if test "$tpm" = ""; then
3765 if test "$mingw32" = "yes"; then
3766 tpm=no
3767 else
3768 tpm=yes
3769 fi
3770 elif test "$tpm" = "yes"; then
3771 if test "$mingw32" = "yes" ; then
3772 error_exit "TPM emulation only available on POSIX systems"
3773 fi
3774 fi
3775
3776 ##########################################
3777 # attr probe
3778
3779 libattr_libs=
3780 if test "$attr" != "no" ; then
3781 cat > $TMPC <<EOF
3782 #include <stdio.h>
3783 #include <sys/types.h>
3784 #ifdef CONFIG_LIBATTR
3785 #include <attr/xattr.h>
3786 #else
3787 #include <sys/xattr.h>
3788 #endif
3789 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3790 EOF
3791 if compile_prog "" "" ; then
3792 attr=yes
3793 # Older distros have <attr/xattr.h>, and need -lattr:
3794 elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3795 attr=yes
3796 libattr_libs="-lattr"
3797 libattr=yes
3798 else
3799 if test "$attr" = "yes" ; then
3800 feature_not_found "ATTR" "Install libc6 or libattr devel"
3801 fi
3802 attr=no
3803 fi
3804 fi
3805
3806 ##########################################
3807 # iovec probe
3808 cat > $TMPC <<EOF
3809 #include <sys/types.h>
3810 #include <sys/uio.h>
3811 #include <unistd.h>
3812 int main(void) { return sizeof(struct iovec); }
3813 EOF
3814 iovec=no
3815 if compile_prog "" "" ; then
3816 iovec=yes
3817 fi
3818
3819 ##########################################
3820 # preadv probe
3821 cat > $TMPC <<EOF
3822 #include <sys/types.h>
3823 #include <sys/uio.h>
3824 #include <unistd.h>
3825 int main(void) { return preadv(0, 0, 0, 0); }
3826 EOF
3827 preadv=no
3828 if compile_prog "" "" ; then
3829 preadv=yes
3830 fi
3831
3832 ##########################################
3833 # fdt probe
3834
3835 case "$fdt" in
3836 auto | enabled | internal)
3837 # Simpler to always update submodule, even if not needed.
3838 if test -e "${source_path}/.git" && test $git_update = 'yes' ; then
3839 git_submodules="${git_submodules} dtc"
3840 fi
3841 ;;
3842 esac
3843
3844 ##########################################
3845 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3846
3847 gbm="no"
3848 if $pkg_config gbm; then
3849 gbm_cflags="$($pkg_config --cflags gbm)"
3850 gbm_libs="$($pkg_config --libs gbm)"
3851 gbm="yes"
3852 fi
3853
3854 if test "$opengl" != "no" ; then
3855 opengl_pkgs="epoxy gbm"
3856 if $pkg_config $opengl_pkgs; then
3857 opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
3858 opengl_libs="$($pkg_config --libs $opengl_pkgs)"
3859 opengl=yes
3860 if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3861 gtk_gl="yes"
3862 fi
3863 else
3864 if test "$opengl" = "yes" ; then
3865 feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3866 fi
3867 opengl_cflags=""
3868 opengl_libs=""
3869 opengl=no
3870 fi
3871 fi
3872
3873 if test "$opengl" = "yes"; then
3874 cat > $TMPC << EOF
3875 #include <epoxy/egl.h>
3876 #ifndef EGL_MESA_image_dma_buf_export
3877 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3878 #endif
3879 int main(void) { return 0; }
3880 EOF
3881 if compile_prog "" "" ; then
3882 opengl_dmabuf=yes
3883 fi
3884 fi
3885
3886 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
3887 for target in $target_list; do
3888 case $target in
3889 lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
3890 need_x11=yes
3891 ;;
3892 esac
3893 done
3894 fi
3895
3896 ##########################################
3897 # libxml2 probe
3898 if test "$libxml2" != "no" ; then
3899 if $pkg_config --exists libxml-2.0; then
3900 libxml2="yes"
3901 libxml2_cflags=$($pkg_config --cflags libxml-2.0)
3902 libxml2_libs=$($pkg_config --libs libxml-2.0)
3903 else
3904 if test "$libxml2" = "yes"; then
3905 feature_not_found "libxml2" "Install libxml2 devel"
3906 fi
3907 libxml2="no"
3908 fi
3909 fi
3910
3911 ##########################################
3912 # glusterfs probe
3913 if test "$glusterfs" != "no" ; then
3914 if $pkg_config --atleast-version=3 glusterfs-api; then
3915 glusterfs="yes"
3916 glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3917 glusterfs_libs=$($pkg_config --libs glusterfs-api)
3918 if $pkg_config --atleast-version=4 glusterfs-api; then
3919 glusterfs_xlator_opt="yes"
3920 fi
3921 if $pkg_config --atleast-version=5 glusterfs-api; then
3922 glusterfs_discard="yes"
3923 fi
3924 if $pkg_config --atleast-version=6 glusterfs-api; then
3925 glusterfs_fallocate="yes"
3926 glusterfs_zerofill="yes"
3927 fi
3928 cat > $TMPC << EOF
3929 #include <glusterfs/api/glfs.h>
3930
3931 int
3932 main(void)
3933 {
3934 /* new glfs_ftruncate() passes two additional args */
3935 return glfs_ftruncate(NULL, 0, NULL, NULL);
3936 }
3937 EOF
3938 if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
3939 glusterfs_ftruncate_has_stat="yes"
3940 fi
3941 cat > $TMPC << EOF
3942 #include <glusterfs/api/glfs.h>
3943
3944 /* new glfs_io_cbk() passes two additional glfs_stat structs */
3945 static void
3946 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
3947 {}
3948
3949 int
3950 main(void)
3951 {
3952 glfs_io_cbk iocb = &glusterfs_iocb;
3953 iocb(NULL, 0 , NULL, NULL, NULL);
3954 return 0;
3955 }
3956 EOF
3957 if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
3958 glusterfs_iocb_has_stat="yes"
3959 fi
3960 else
3961 if test "$glusterfs" = "yes" ; then
3962 feature_not_found "GlusterFS backend support" \
3963 "Install glusterfs-api devel >= 3"
3964 fi
3965 glusterfs="no"
3966 fi
3967 fi
3968
3969 # Check for inotify functions when we are building linux-user
3970 # emulator. This is done because older glibc versions don't
3971 # have syscall stubs for these implemented. In that case we
3972 # don't provide them even if kernel supports them.
3973 #
3974 inotify=no
3975 cat > $TMPC << EOF
3976 #include <sys/inotify.h>
3977
3978 int
3979 main(void)
3980 {
3981 /* try to start inotify */
3982 return inotify_init();
3983 }
3984 EOF
3985 if compile_prog "" "" ; then
3986 inotify=yes
3987 fi
3988
3989 inotify1=no
3990 cat > $TMPC << EOF
3991 #include <sys/inotify.h>
3992
3993 int
3994 main(void)
3995 {
3996 /* try to start inotify */
3997 return inotify_init1(0);
3998 }
3999 EOF
4000 if compile_prog "" "" ; then
4001 inotify1=yes
4002 fi
4003
4004 # check if pipe2 is there
4005 pipe2=no
4006 cat > $TMPC << EOF
4007 #include <unistd.h>
4008 #include <fcntl.h>
4009
4010 int main(void)
4011 {
4012 int pipefd[2];
4013 return pipe2(pipefd, O_CLOEXEC);
4014 }
4015 EOF
4016 if compile_prog "" "" ; then
4017 pipe2=yes
4018 fi
4019
4020 # check if accept4 is there
4021 accept4=no
4022 cat > $TMPC << EOF
4023 #include <sys/socket.h>
4024 #include <stddef.h>
4025
4026 int main(void)
4027 {
4028 accept4(0, NULL, NULL, SOCK_CLOEXEC);
4029 return 0;
4030 }
4031 EOF
4032 if compile_prog "" "" ; then
4033 accept4=yes
4034 fi
4035
4036 # check if tee/splice is there. vmsplice was added same time.
4037 splice=no
4038 cat > $TMPC << EOF
4039 #include <unistd.h>
4040 #include <fcntl.h>
4041 #include <limits.h>
4042
4043 int main(void)
4044 {
4045 int len, fd = 0;
4046 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4047 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4048 return 0;
4049 }
4050 EOF
4051 if compile_prog "" "" ; then
4052 splice=yes
4053 fi
4054
4055 ##########################################
4056 # libnuma probe
4057
4058 if test "$numa" != "no" ; then
4059 cat > $TMPC << EOF
4060 #include <numa.h>
4061 int main(void) { return numa_available(); }
4062 EOF
4063
4064 if compile_prog "" "-lnuma" ; then
4065 numa=yes
4066 numa_libs="-lnuma"
4067 else
4068 if test "$numa" = "yes" ; then
4069 feature_not_found "numa" "install numactl devel"
4070 fi
4071 numa=no
4072 fi
4073 fi
4074
4075 malloc=system
4076 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4077 echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4078 exit 1
4079 elif test "$tcmalloc" = "yes" ; then
4080 malloc=tcmalloc
4081 elif test "$jemalloc" = "yes" ; then
4082 malloc=jemalloc
4083 fi
4084
4085 ##########################################
4086 # signalfd probe
4087 signalfd="no"
4088 cat > $TMPC << EOF
4089 #include <unistd.h>
4090 #include <sys/syscall.h>
4091 #include <signal.h>
4092 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4093 EOF
4094
4095 if compile_prog "" "" ; then
4096 signalfd=yes
4097 fi
4098
4099 # check if optreset global is declared by <getopt.h>
4100 optreset="no"
4101 cat > $TMPC << EOF
4102 #include <getopt.h>
4103 int main(void) { return optreset; }
4104 EOF
4105
4106 if compile_prog "" "" ; then
4107 optreset=yes
4108 fi
4109
4110 # check if eventfd is supported
4111 eventfd=no
4112 cat > $TMPC << EOF
4113 #include <sys/eventfd.h>
4114
4115 int main(void)
4116 {
4117 return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4118 }
4119 EOF
4120 if compile_prog "" "" ; then
4121 eventfd=yes
4122 fi
4123
4124 # check if memfd is supported
4125 memfd=no
4126 cat > $TMPC << EOF
4127 #include <sys/mman.h>
4128
4129 int main(void)
4130 {
4131 return memfd_create("foo", MFD_ALLOW_SEALING);
4132 }
4133 EOF
4134 if compile_prog "" "" ; then
4135 memfd=yes
4136 fi
4137
4138 # check for usbfs
4139 have_usbfs=no
4140 if test "$linux_user" = "yes"; then
4141 cat > $TMPC << EOF
4142 #include <linux/usbdevice_fs.h>
4143
4144 #ifndef USBDEVFS_GET_CAPABILITIES
4145 #error "USBDEVFS_GET_CAPABILITIES undefined"
4146 #endif
4147
4148 #ifndef USBDEVFS_DISCONNECT_CLAIM
4149 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4150 #endif
4151
4152 int main(void)
4153 {
4154 return 0;
4155 }
4156 EOF
4157 if compile_prog "" ""; then
4158 have_usbfs=yes
4159 fi
4160 fi
4161
4162 # check for fallocate
4163 fallocate=no
4164 cat > $TMPC << EOF
4165 #include <fcntl.h>
4166
4167 int main(void)
4168 {
4169 fallocate(0, 0, 0, 0);
4170 return 0;
4171 }
4172 EOF
4173 if compile_prog "" "" ; then
4174 fallocate=yes
4175 fi
4176
4177 # check for fallocate hole punching
4178 fallocate_punch_hole=no
4179 cat > $TMPC << EOF
4180 #include <fcntl.h>
4181 #include <linux/falloc.h>
4182
4183 int main(void)
4184 {
4185 fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4186 return 0;
4187 }
4188 EOF
4189 if compile_prog "" "" ; then
4190 fallocate_punch_hole=yes
4191 fi
4192
4193 # check that fallocate supports range zeroing inside the file
4194 fallocate_zero_range=no
4195 cat > $TMPC << EOF
4196 #include <fcntl.h>
4197 #include <linux/falloc.h>
4198
4199 int main(void)
4200 {
4201 fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4202 return 0;
4203 }
4204 EOF
4205 if compile_prog "" "" ; then
4206 fallocate_zero_range=yes
4207 fi
4208
4209 # check for posix_fallocate
4210 posix_fallocate=no
4211 cat > $TMPC << EOF
4212 #include <fcntl.h>
4213
4214 int main(void)
4215 {
4216 posix_fallocate(0, 0, 0);
4217 return 0;
4218 }
4219 EOF
4220 if compile_prog "" "" ; then
4221 posix_fallocate=yes
4222 fi
4223
4224 # check for sync_file_range
4225 sync_file_range=no
4226 cat > $TMPC << EOF
4227 #include <fcntl.h>
4228
4229 int main(void)
4230 {
4231 sync_file_range(0, 0, 0, 0);
4232 return 0;
4233 }
4234 EOF
4235 if compile_prog "" "" ; then
4236 sync_file_range=yes
4237 fi
4238
4239 # check for linux/fiemap.h and FS_IOC_FIEMAP
4240 fiemap=no
4241 cat > $TMPC << EOF
4242 #include <sys/ioctl.h>
4243 #include <linux/fs.h>
4244 #include <linux/fiemap.h>
4245
4246 int main(void)
4247 {
4248 ioctl(0, FS_IOC_FIEMAP, 0);
4249 return 0;
4250 }
4251 EOF
4252 if compile_prog "" "" ; then
4253 fiemap=yes
4254 fi
4255
4256 # check for dup3
4257 dup3=no
4258 cat > $TMPC << EOF
4259 #include <unistd.h>
4260
4261 int main(void)
4262 {
4263 dup3(0, 0, 0);
4264 return 0;
4265 }
4266 EOF
4267 if compile_prog "" "" ; then
4268 dup3=yes
4269 fi
4270
4271 # check for ppoll support
4272 ppoll=no
4273 cat > $TMPC << EOF
4274 #include <poll.h>
4275
4276 int main(void)
4277 {
4278 struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4279 ppoll(&pfd, 1, 0, 0);
4280 return 0;
4281 }
4282 EOF
4283 if compile_prog "" "" ; then
4284 ppoll=yes
4285 fi
4286
4287 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4288 prctl_pr_set_timerslack=no
4289 cat > $TMPC << EOF
4290 #include <sys/prctl.h>
4291
4292 int main(void)
4293 {
4294 prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4295 return 0;
4296 }
4297 EOF
4298 if compile_prog "" "" ; then
4299 prctl_pr_set_timerslack=yes
4300 fi
4301
4302 # check for epoll support
4303 epoll=no
4304 cat > $TMPC << EOF
4305 #include <sys/epoll.h>
4306
4307 int main(void)
4308 {
4309 epoll_create(0);
4310 return 0;
4311 }
4312 EOF
4313 if compile_prog "" "" ; then
4314 epoll=yes
4315 fi
4316
4317 # epoll_create1 is a later addition
4318 # so we must check separately for its presence
4319 epoll_create1=no
4320 cat > $TMPC << EOF
4321 #include <sys/epoll.h>
4322
4323 int main(void)
4324 {
4325 /* Note that we use epoll_create1 as a value, not as
4326 * a function being called. This is necessary so that on
4327 * old SPARC glibc versions where the function was present in
4328 * the library but not declared in the header file we will
4329 * fail the configure check. (Otherwise we will get a compiler
4330 * warning but not an error, and will proceed to fail the
4331 * qemu compile where we compile with -Werror.)
4332 */
4333 return (int)(uintptr_t)&epoll_create1;
4334 }
4335 EOF
4336 if compile_prog "" "" ; then
4337 epoll_create1=yes
4338 fi
4339
4340 # check for sendfile support
4341 sendfile=no
4342 cat > $TMPC << EOF
4343 #include <sys/sendfile.h>
4344
4345 int main(void)
4346 {
4347 return sendfile(0, 0, 0, 0);
4348 }
4349 EOF
4350 if compile_prog "" "" ; then
4351 sendfile=yes
4352 fi
4353
4354 # check for timerfd support (glibc 2.8 and newer)
4355 timerfd=no
4356 cat > $TMPC << EOF
4357 #include <sys/timerfd.h>
4358
4359 int main(void)
4360 {
4361 return(timerfd_create(CLOCK_REALTIME, 0));
4362 }
4363 EOF
4364 if compile_prog "" "" ; then
4365 timerfd=yes
4366 fi
4367
4368 # check for setns and unshare support
4369 setns=no
4370 cat > $TMPC << EOF
4371 #include <sched.h>
4372
4373 int main(void)
4374 {
4375 int ret;
4376 ret = setns(0, 0);
4377 ret = unshare(0);
4378 return ret;
4379 }
4380 EOF
4381 if compile_prog "" "" ; then
4382 setns=yes
4383 fi
4384
4385 # clock_adjtime probe
4386 clock_adjtime=no
4387 cat > $TMPC <<EOF
4388 #include <time.h>
4389
4390 int main(void)
4391 {
4392 return clock_adjtime(0, 0);
4393 }
4394 EOF
4395 clock_adjtime=no
4396 if compile_prog "" "" ; then
4397 clock_adjtime=yes
4398 fi
4399
4400 # syncfs probe
4401 syncfs=no
4402 cat > $TMPC <<EOF
4403 #include <unistd.h>
4404
4405 int main(void)
4406 {
4407 return syncfs(0);
4408 }
4409 EOF
4410 syncfs=no
4411 if compile_prog "" "" ; then
4412 syncfs=yes
4413 fi
4414
4415 # Search for bswap_32 function
4416 byteswap_h=no
4417 cat > $TMPC << EOF
4418 #include <byteswap.h>
4419 int main(void) { return bswap_32(0); }
4420 EOF
4421 if compile_prog "" "" ; then
4422 byteswap_h=yes
4423 fi
4424
4425 # Search for bswap32 function
4426 bswap_h=no
4427 cat > $TMPC << EOF
4428 #include <sys/endian.h>
4429 #include <sys/types.h>
4430 #include <machine/bswap.h>
4431 int main(void) { return bswap32(0); }
4432 EOF
4433 if compile_prog "" "" ; then
4434 bswap_h=yes
4435 fi
4436
4437 ##########################################
4438 # Do we have libiscsi >= 1.9.0
4439 if test "$libiscsi" != "no" ; then
4440 if $pkg_config --atleast-version=1.9.0 libiscsi; then
4441 libiscsi="yes"
4442 libiscsi_cflags=$($pkg_config --cflags libiscsi)
4443 libiscsi_libs=$($pkg_config --libs libiscsi)
4444 else
4445 if test "$libiscsi" = "yes" ; then
4446 feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4447 fi
4448 libiscsi="no"
4449 fi
4450 fi
4451
4452 ##########################################
4453 # Do we need librt
4454 # uClibc provides 2 versions of clock_gettime(), one with realtime
4455 # support and one without. This means that the clock_gettime() don't
4456 # need -lrt. We still need it for timer_create() so we check for this
4457 # function in addition.
4458 cat > $TMPC <<EOF
4459 #include <signal.h>
4460 #include <time.h>
4461 int main(void) {
4462 timer_create(CLOCK_REALTIME, NULL, NULL);
4463 return clock_gettime(CLOCK_REALTIME, NULL);
4464 }
4465 EOF
4466
4467 if compile_prog "" "" ; then
4468 :
4469 # we need pthread for static linking. use previous pthread test result
4470 elif compile_prog "" "$pthread_lib -lrt" ; then
4471 LIBS="$LIBS -lrt"
4472 fi
4473
4474 # Check whether we have openpty() in either libc or libutil
4475 cat > $TMPC << EOF
4476 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4477 int main(void) { return openpty(0, 0, 0, 0, 0); }
4478 EOF
4479
4480 have_openpty="no"
4481 if compile_prog "" "" ; then
4482 have_openpty="yes"
4483 else
4484 if compile_prog "" "-lutil" ; then
4485 have_openpty="yes"
4486 fi
4487 fi
4488
4489 ##########################################
4490 # spice probe
4491 if test "$spice" != "no" ; then
4492 cat > $TMPC << EOF
4493 #include <spice.h>
4494 int main(void) { spice_server_new(); return 0; }
4495 EOF
4496 spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4497 spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4498 if $pkg_config --atleast-version=0.12.5 spice-server && \
4499 $pkg_config --atleast-version=0.12.3 spice-protocol && \
4500 compile_prog "$spice_cflags" "$spice_libs" ; then
4501 spice="yes"
4502 else
4503 if test "$spice" = "yes" ; then
4504 feature_not_found "spice" \
4505 "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4506 fi
4507 spice="no"
4508 fi
4509 fi
4510
4511 # check for smartcard support
4512 if test "$smartcard" != "no"; then
4513 if $pkg_config --atleast-version=2.5.1 libcacard; then
4514 libcacard_cflags=$($pkg_config --cflags libcacard)
4515 libcacard_libs=$($pkg_config --libs libcacard)
4516 smartcard="yes"
4517 else
4518 if test "$smartcard" = "yes"; then
4519 feature_not_found "smartcard" "Install libcacard devel"
4520 fi
4521 smartcard="no"
4522 fi
4523 fi
4524
4525 # check for libusb
4526 if test "$libusb" != "no" ; then
4527 if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4528 libusb="yes"
4529 libusb_cflags=$($pkg_config --cflags libusb-1.0)
4530 libusb_libs=$($pkg_config --libs libusb-1.0)
4531 else
4532 if test "$libusb" = "yes"; then
4533 feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4534 fi
4535 libusb="no"
4536 fi
4537 fi
4538
4539 # check for usbredirparser for usb network redirection support
4540 if test "$usb_redir" != "no" ; then
4541 if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4542 usb_redir="yes"
4543 usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4544 usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4545 else
4546 if test "$usb_redir" = "yes"; then
4547 feature_not_found "usb-redir" "Install usbredir devel"
4548 fi
4549 usb_redir="no"
4550 fi
4551 fi
4552
4553 ##########################################
4554 # check if we have VSS SDK headers for win
4555
4556 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4557 test "$vss_win32_sdk" != "no" ; then
4558 case "$vss_win32_sdk" in
4559 "") vss_win32_include="-isystem $source_path" ;;
4560 *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4561 # handle path with spaces. So we symlink the headers into ".sdk/vss".
4562 vss_win32_include="-isystem $source_path/.sdk/vss"
4563 symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4564 ;;
4565 *) vss_win32_include="-isystem $vss_win32_sdk"
4566 esac
4567 cat > $TMPC << EOF
4568 #define __MIDL_user_allocate_free_DEFINED__
4569 #include <inc/win2003/vss.h>
4570 int main(void) { return VSS_CTX_BACKUP; }
4571 EOF
4572 if compile_prog "$vss_win32_include" "" ; then
4573 guest_agent_with_vss="yes"
4574 QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4575 libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4576 qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4577 else
4578 if test "$vss_win32_sdk" != "" ; then
4579 echo "ERROR: Please download and install Microsoft VSS SDK:"
4580 echo "ERROR: http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4581 echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4582 echo "ERROR: scripts/extract-vsssdk-headers setup.exe"
4583 echo "ERROR: The headers are extracted in the directory \`inc'."
4584 feature_not_found "VSS support"
4585 fi
4586 guest_agent_with_vss="no"
4587 fi
4588 fi
4589
4590 ##########################################
4591 # lookup Windows platform SDK (if not specified)
4592 # The SDK is needed only to build .tlb (type library) file of guest agent
4593 # VSS provider from the source. It is usually unnecessary because the
4594 # pre-compiled .tlb file is included.
4595
4596 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4597 test "$guest_agent_with_vss" = "yes" ; then
4598 if test -z "$win_sdk"; then
4599 programfiles="$PROGRAMFILES"
4600 test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4601 if test -n "$programfiles"; then
4602 win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4603 else
4604 feature_not_found "Windows SDK"
4605 fi
4606 elif test "$win_sdk" = "no"; then
4607 win_sdk=""
4608 fi
4609 fi
4610
4611 ##########################################
4612 # check if mingw environment provides a recent ntddscsi.h
4613 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4614 cat > $TMPC << EOF
4615 #include <windows.h>
4616 #include <ntddscsi.h>
4617 int main(void) {
4618 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4619 #error Missing required ioctl definitions
4620 #endif
4621 SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4622 return addr.Lun;
4623 }
4624 EOF
4625 if compile_prog "" "" ; then
4626 guest_agent_ntddscsi=yes
4627 libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
4628 fi
4629 fi
4630
4631 ##########################################
4632 # virgl renderer probe
4633
4634 if test "$virglrenderer" != "no" ; then
4635 cat > $TMPC << EOF
4636 #include <virglrenderer.h>
4637 int main(void) { virgl_renderer_poll(); return 0; }
4638 EOF
4639 virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4640 virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4641 virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
4642 if $pkg_config virglrenderer >/dev/null 2>&1 && \
4643 compile_prog "$virgl_cflags" "$virgl_libs" ; then
4644 virglrenderer="yes"
4645 else
4646 if test "$virglrenderer" = "yes" ; then
4647 feature_not_found "virglrenderer"
4648 fi
4649 virglrenderer="no"
4650 fi
4651 fi
4652
4653 ##########################################
4654 # capstone
4655
4656 case "$capstone" in
4657 auto | enabled | internal)
4658 # Simpler to always update submodule, even if not needed.
4659 if test -e "${source_path}/.git" && test $git_update = 'yes' ; then
4660 git_submodules="${git_submodules} capstone"
4661 fi
4662 ;;
4663 esac
4664
4665 ##########################################
4666 # check if we have fdatasync
4667
4668 fdatasync=no
4669 cat > $TMPC << EOF
4670 #include <unistd.h>
4671 int main(void) {
4672 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4673 return fdatasync(0);
4674 #else
4675 #error Not supported
4676 #endif
4677 }
4678 EOF
4679 if compile_prog "" "" ; then
4680 fdatasync=yes
4681 fi
4682
4683 ##########################################
4684 # check if we have madvise
4685
4686 madvise=no
4687 cat > $TMPC << EOF
4688 #include <sys/types.h>
4689 #include <sys/mman.h>
4690 #include <stddef.h>
4691 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4692 EOF
4693 if compile_prog "" "" ; then
4694 madvise=yes
4695 fi
4696
4697 ##########################################
4698 # check if we have posix_madvise
4699
4700 posix_madvise=no
4701 cat > $TMPC << EOF
4702 #include <sys/mman.h>
4703 #include <stddef.h>
4704 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4705 EOF
4706 if compile_prog "" "" ; then
4707 posix_madvise=yes
4708 fi
4709
4710 ##########################################
4711 # check if we have posix_memalign()
4712
4713 posix_memalign=no
4714 cat > $TMPC << EOF
4715 #include <stdlib.h>
4716 int main(void) {
4717 void *p;
4718 return posix_memalign(&p, 8, 8);
4719 }
4720 EOF
4721 if compile_prog "" "" ; then
4722 posix_memalign=yes
4723 fi
4724
4725 ##########################################
4726 # check if we have posix_syslog
4727
4728 posix_syslog=no
4729 cat > $TMPC << EOF
4730 #include <syslog.h>
4731 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4732 EOF
4733 if compile_prog "" "" ; then
4734 posix_syslog=yes
4735 fi
4736
4737 ##########################################
4738 # check if we have sem_timedwait
4739
4740 sem_timedwait=no
4741 cat > $TMPC << EOF
4742 #include <semaphore.h>
4743 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
4744 EOF
4745 if compile_prog "" "" ; then
4746 sem_timedwait=yes
4747 fi
4748
4749 ##########################################
4750 # check if we have strchrnul
4751
4752 strchrnul=no
4753 cat > $TMPC << EOF
4754 #include <string.h>
4755 int main(void);
4756 // Use a haystack that the compiler shouldn't be able to constant fold
4757 char *haystack = (char*)&main;
4758 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
4759 EOF
4760 if compile_prog "" "" ; then
4761 strchrnul=yes
4762 fi
4763
4764 #########################################
4765 # check if we have st_atim
4766
4767 st_atim=no
4768 cat > $TMPC << EOF
4769 #include <sys/stat.h>
4770 #include <stddef.h>
4771 int main(void) { return offsetof(struct stat, st_atim); }
4772 EOF
4773 if compile_prog "" "" ; then
4774 st_atim=yes
4775 fi
4776
4777 ##########################################
4778 # check if trace backend exists
4779
4780 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends > /dev/null 2> /dev/null
4781 if test "$?" -ne 0 ; then
4782 error_exit "invalid trace backends" \
4783 "Please choose supported trace backends."
4784 fi
4785
4786 ##########################################
4787 # For 'ust' backend, test if ust headers are present
4788 if have_backend "ust"; then
4789 cat > $TMPC << EOF
4790 #include <lttng/tracepoint.h>
4791 int main(void) { return 0; }
4792 EOF
4793 if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4794 if $pkg_config lttng-ust --exists; then
4795 lttng_ust_libs=$($pkg_config --libs lttng-ust)
4796 else
4797 lttng_ust_libs="-llttng-ust -ldl"
4798 fi
4799 if $pkg_config liburcu-bp --exists; then
4800 urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4801 else
4802 urcu_bp_libs="-lurcu-bp"
4803 fi
4804 else
4805 error_exit "Trace backend 'ust' missing lttng-ust header files"
4806 fi
4807 fi
4808
4809 ##########################################
4810 # For 'dtrace' backend, test if 'dtrace' command is present
4811 if have_backend "dtrace"; then
4812 if ! has 'dtrace' ; then
4813 error_exit "dtrace command is not found in PATH $PATH"
4814 fi
4815 trace_backend_stap="no"
4816 if has 'stap' ; then
4817 trace_backend_stap="yes"
4818
4819 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
4820 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
4821 # instead. QEMU --enable-modules depends on this because the SystemTap
4822 # semaphores are linked into the main binary and not the module's shared
4823 # object.
4824 QEMU_CFLAGS="$QEMU_CFLAGS -DSTAP_SDT_V2"
4825 fi
4826 fi
4827
4828 ##########################################
4829 # check and set a backend for coroutine
4830
4831 # We prefer ucontext, but it's not always possible. The fallback
4832 # is sigcontext. On Windows the only valid backend is the Windows
4833 # specific one.
4834
4835 ucontext_works=no
4836 if test "$darwin" != "yes"; then
4837 cat > $TMPC << EOF
4838 #include <ucontext.h>
4839 #ifdef __stub_makecontext
4840 #error Ignoring glibc stub makecontext which will always fail
4841 #endif
4842 int main(void) { makecontext(0, 0, 0); return 0; }
4843 EOF
4844 if compile_prog "" "" ; then
4845 ucontext_works=yes
4846 fi
4847 fi
4848
4849 if test "$coroutine" = ""; then
4850 if test "$mingw32" = "yes"; then
4851 coroutine=win32
4852 elif test "$ucontext_works" = "yes"; then
4853 coroutine=ucontext
4854 else
4855 coroutine=sigaltstack
4856 fi
4857 else
4858 case $coroutine in
4859 windows)
4860 if test "$mingw32" != "yes"; then
4861 error_exit "'windows' coroutine backend only valid for Windows"
4862 fi
4863 # Unfortunately the user visible backend name doesn't match the
4864 # coroutine-*.c filename for this case, so we have to adjust it here.
4865 coroutine=win32
4866 ;;
4867 ucontext)
4868 if test "$ucontext_works" != "yes"; then
4869 feature_not_found "ucontext"
4870 fi
4871 ;;
4872 sigaltstack)
4873 if test "$mingw32" = "yes"; then
4874 error_exit "only the 'windows' coroutine backend is valid for Windows"
4875 fi
4876 ;;
4877 *)
4878 error_exit "unknown coroutine backend $coroutine"
4879 ;;
4880 esac
4881 fi
4882
4883 if test "$coroutine_pool" = ""; then
4884 coroutine_pool=yes
4885 fi
4886
4887 if test "$debug_stack_usage" = "yes"; then
4888 if test "$coroutine_pool" = "yes"; then
4889 echo "WARN: disabling coroutine pool for stack usage debugging"
4890 coroutine_pool=no
4891 fi
4892 fi
4893
4894 ##################################################
4895 # SafeStack
4896
4897
4898 if test "$safe_stack" = "yes"; then
4899 cat > $TMPC << EOF
4900 int main(int argc, char *argv[])
4901 {
4902 #if ! __has_feature(safe_stack)
4903 #error SafeStack Disabled
4904 #endif
4905 return 0;
4906 }
4907 EOF
4908 flag="-fsanitize=safe-stack"
4909 # Check that safe-stack is supported and enabled.
4910 if compile_prog "-Werror $flag" "$flag"; then
4911 # Flag needed both at compilation and at linking
4912 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
4913 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
4914 else
4915 error_exit "SafeStack not supported by your compiler"
4916 fi
4917 if test "$coroutine" != "ucontext"; then
4918 error_exit "SafeStack is only supported by the coroutine backend ucontext"
4919 fi
4920 else
4921 cat > $TMPC << EOF
4922 int main(int argc, char *argv[])
4923 {
4924 #if defined(__has_feature)
4925 #if __has_feature(safe_stack)
4926 #error SafeStack Enabled
4927 #endif
4928 #endif
4929 return 0;
4930 }
4931 EOF
4932 if test "$safe_stack" = "no"; then
4933 # Make sure that safe-stack is disabled
4934 if ! compile_prog "-Werror" ""; then
4935 # SafeStack was already enabled, try to explicitly remove the feature
4936 flag="-fno-sanitize=safe-stack"
4937 if ! compile_prog "-Werror $flag" "$flag"; then
4938 error_exit "Configure cannot disable SafeStack"
4939 fi
4940 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
4941 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
4942 fi
4943 else # "$safe_stack" = ""
4944 # Set safe_stack to yes or no based on pre-existing flags
4945 if compile_prog "-Werror" ""; then
4946 safe_stack="no"
4947 else
4948 safe_stack="yes"
4949 if test "$coroutine" != "ucontext"; then
4950 error_exit "SafeStack is only supported by the coroutine backend ucontext"
4951 fi
4952 fi
4953 fi
4954 fi
4955
4956 ##########################################
4957 # check if we have open_by_handle_at
4958
4959 open_by_handle_at=no
4960 cat > $TMPC << EOF
4961 #include <fcntl.h>
4962 #if !defined(AT_EMPTY_PATH)
4963 # error missing definition
4964 #else
4965 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4966 #endif
4967 EOF
4968 if compile_prog "" "" ; then
4969 open_by_handle_at=yes
4970 fi
4971
4972 ########################################
4973 # check if we have linux/magic.h
4974
4975 linux_magic_h=no
4976 cat > $TMPC << EOF
4977 #include <linux/magic.h>
4978 int main(void) {
4979 return 0;
4980 }
4981 EOF
4982 if compile_prog "" "" ; then
4983 linux_magic_h=yes
4984 fi
4985
4986 ########################################
4987 # check if we have valgrind/valgrind.h
4988
4989 valgrind_h=no
4990 cat > $TMPC << EOF
4991 #include <valgrind/valgrind.h>
4992 int main(void) {
4993 return 0;
4994 }
4995 EOF
4996 if compile_prog "" "" ; then
4997 valgrind_h=yes
4998 fi
4999
5000 ########################################
5001 # check if environ is declared
5002
5003 has_environ=no
5004 cat > $TMPC << EOF
5005 #include <unistd.h>
5006 int main(void) {
5007 environ = 0;
5008 return 0;
5009 }
5010 EOF
5011 if compile_prog "" "" ; then
5012 has_environ=yes
5013 fi
5014
5015 ########################################
5016 # check if cpuid.h is usable.
5017
5018 cat > $TMPC << EOF
5019 #include <cpuid.h>
5020 int main(void) {
5021 unsigned a, b, c, d;
5022 int max = __get_cpuid_max(0, 0);
5023
5024 if (max >= 1) {
5025 __cpuid(1, a, b, c, d);
5026 }
5027
5028 if (max >= 7) {
5029 __cpuid_count(7, 0, a, b, c, d);
5030 }
5031
5032 return 0;
5033 }
5034 EOF
5035 if compile_prog "" "" ; then
5036 cpuid_h=yes
5037 fi
5038
5039 ##########################################
5040 # avx2 optimization requirement check
5041 #
5042 # There is no point enabling this if cpuid.h is not usable,
5043 # since we won't be able to select the new routines.
5044
5045 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5046 cat > $TMPC << EOF
5047 #pragma GCC push_options
5048 #pragma GCC target("avx2")
5049 #include <cpuid.h>
5050 #include <immintrin.h>
5051 static int bar(void *a) {
5052 __m256i x = *(__m256i *)a;
5053 return _mm256_testz_si256(x, x);
5054 }
5055 int main(int argc, char *argv[]) { return bar(argv[0]); }
5056 EOF
5057 if compile_object "" ; then
5058 avx2_opt="yes"
5059 else
5060 avx2_opt="no"
5061 fi
5062 fi
5063
5064 ##########################################
5065 # avx512f optimization requirement check
5066 #
5067 # There is no point enabling this if cpuid.h is not usable,
5068 # since we won't be able to select the new routines.
5069 # by default, it is turned off.
5070 # if user explicitly want to enable it, check environment
5071
5072 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5073 cat > $TMPC << EOF
5074 #pragma GCC push_options
5075 #pragma GCC target("avx512f")
5076 #include <cpuid.h>
5077 #include <immintrin.h>
5078 static int bar(void *a) {
5079 __m512i x = *(__m512i *)a;
5080 return _mm512_test_epi64_mask(x, x);
5081 }
5082 int main(int argc, char *argv[])
5083 {
5084 return bar(argv[0]);
5085 }
5086 EOF
5087 if ! compile_object "" ; then
5088 avx512f_opt="no"
5089 fi
5090 else
5091 avx512f_opt="no"
5092 fi
5093
5094 ########################################
5095 # check if __[u]int128_t is usable.
5096
5097 int128=no
5098 cat > $TMPC << EOF
5099 __int128_t a;
5100 __uint128_t b;
5101 int main (void) {
5102 a = a + b;
5103 b = a * b;
5104 a = a * a;
5105 return 0;
5106 }
5107 EOF
5108 if compile_prog "" "" ; then
5109 int128=yes
5110 fi
5111
5112 #########################################
5113 # See if 128-bit atomic operations are supported.
5114
5115 atomic128=no
5116 if test "$int128" = "yes"; then
5117 cat > $TMPC << EOF
5118 int main(void)
5119 {
5120 unsigned __int128 x = 0, y = 0;
5121 y = __atomic_load_16(&x, 0);
5122 __atomic_store_16(&x, y, 0);
5123 __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5124 return 0;
5125 }
5126 EOF
5127 if compile_prog "" "" ; then
5128 atomic128=yes
5129 fi
5130 fi
5131
5132 cmpxchg128=no
5133 if test "$int128" = yes && test "$atomic128" = no; then
5134 cat > $TMPC << EOF
5135 int main(void)
5136 {
5137 unsigned __int128 x = 0, y = 0;
5138 __sync_val_compare_and_swap_16(&x, y, x);
5139 return 0;
5140 }
5141 EOF
5142 if compile_prog "" "" ; then
5143 cmpxchg128=yes
5144 fi
5145 fi
5146
5147 #########################################
5148 # See if 64-bit atomic operations are supported.
5149 # Note that without __atomic builtins, we can only
5150 # assume atomic loads/stores max at pointer size.
5151
5152 cat > $TMPC << EOF
5153 #include <stdint.h>
5154 int main(void)
5155 {
5156 uint64_t x = 0, y = 0;
5157 #ifdef __ATOMIC_RELAXED
5158 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
5159 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
5160 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
5161 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
5162 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
5163 #else
5164 typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5165 __sync_lock_test_and_set(&x, y);
5166 __sync_val_compare_and_swap(&x, y, 0);
5167 __sync_fetch_and_add(&x, y);
5168 #endif
5169 return 0;
5170 }
5171 EOF
5172 if compile_prog "" "" ; then
5173 atomic64=yes
5174 fi
5175
5176 #########################################
5177 # See if --dynamic-list is supported by the linker
5178 ld_dynamic_list="no"
5179 if test "$static" = "no" ; then
5180 cat > $TMPTXT <<EOF
5181 {
5182 foo;
5183 };
5184 EOF
5185
5186 cat > $TMPC <<EOF
5187 #include <stdio.h>
5188 void foo(void);
5189
5190 void foo(void)
5191 {
5192 printf("foo\n");
5193 }
5194
5195 int main(void)
5196 {
5197 foo();
5198 return 0;
5199 }
5200 EOF
5201
5202 if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5203 ld_dynamic_list="yes"
5204 fi
5205 fi
5206
5207 #########################################
5208 # See if -exported_symbols_list is supported by the linker
5209
5210 ld_exported_symbols_list="no"
5211 if test "$static" = "no" ; then
5212 cat > $TMPTXT <<EOF
5213 _foo
5214 EOF
5215
5216 if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5217 ld_exported_symbols_list="yes"
5218 fi
5219 fi
5220
5221 if test "$plugins" = "yes" &&
5222 test "$ld_dynamic_list" = "no" &&
5223 test "$ld_exported_symbols_list" = "no" ; then
5224 error_exit \
5225 "Plugin support requires dynamic linking and specifying a set of symbols " \
5226 "that are exported to plugins. Unfortunately your linker doesn't " \
5227 "support the flag (--dynamic-list or -exported_symbols_list) used " \
5228 "for this purpose. You can't build with --static."
5229 fi
5230
5231 ########################################
5232 # See if __attribute__((alias)) is supported.
5233 # This false for Xcode 9, but has been remedied for Xcode 10.
5234 # Unfortunately, travis uses Xcode 9 by default.
5235
5236 attralias=no
5237 cat > $TMPC << EOF
5238 int x = 1;
5239 extern const int y __attribute__((alias("x")));
5240 int main(void) { return 0; }
5241 EOF
5242 if compile_prog "" "" ; then
5243 attralias=yes
5244 fi
5245
5246 ########################################
5247 # check if getauxval is available.
5248
5249 getauxval=no
5250 cat > $TMPC << EOF
5251 #include <sys/auxv.h>
5252 int main(void) {
5253 return getauxval(AT_HWCAP) == 0;
5254 }
5255 EOF
5256 if compile_prog "" "" ; then
5257 getauxval=yes
5258 fi
5259
5260 ########################################
5261 # check if ccache is interfering with
5262 # semantic analysis of macros
5263
5264 unset CCACHE_CPP2
5265 ccache_cpp2=no
5266 cat > $TMPC << EOF
5267 static const int Z = 1;
5268 #define fn() ({ Z; })
5269 #define TAUT(X) ((X) == Z)
5270 #define PAREN(X, Y) (X == Y)
5271 #define ID(X) (X)
5272 int main(int argc, char *argv[])
5273 {
5274 int x = 0, y = 0;
5275 x = ID(x);
5276 x = fn();
5277 fn();
5278 if (PAREN(x, y)) return 0;
5279 if (TAUT(Z)) return 0;
5280 return 0;
5281 }
5282 EOF
5283
5284 if ! compile_object "-Werror"; then
5285 ccache_cpp2=yes
5286 fi
5287
5288 #################################################
5289 # clang does not support glibc + FORTIFY_SOURCE.
5290
5291 if test "$fortify_source" != "no"; then
5292 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5293 fortify_source="no";
5294 elif test -n "$cxx" && has $cxx &&
5295 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5296 fortify_source="no";
5297 else
5298 fortify_source="yes"
5299 fi
5300 fi
5301
5302 ###############################################
5303 # Check if copy_file_range is provided by glibc
5304 have_copy_file_range=no
5305 cat > $TMPC << EOF
5306 #include <unistd.h>
5307 int main(void) {
5308 copy_file_range(0, NULL, 0, NULL, 0, 0);
5309 return 0;
5310 }
5311 EOF
5312 if compile_prog "" "" ; then
5313 have_copy_file_range=yes
5314 fi
5315
5316 ##########################################
5317 # check if struct fsxattr is available via linux/fs.h
5318
5319 have_fsxattr=no
5320 cat > $TMPC << EOF
5321 #include <linux/fs.h>
5322 struct fsxattr foo;
5323 int main(void) {
5324 return 0;
5325 }
5326 EOF
5327 if compile_prog "" "" ; then
5328 have_fsxattr=yes
5329 fi
5330
5331 ##########################################
5332 # check for usable membarrier system call
5333 if test "$membarrier" = "yes"; then
5334 have_membarrier=no
5335 if test "$mingw32" = "yes" ; then
5336 have_membarrier=yes
5337 elif test "$linux" = "yes" ; then
5338 cat > $TMPC << EOF
5339 #include <linux/membarrier.h>
5340 #include <sys/syscall.h>
5341 #include <unistd.h>
5342 #include <stdlib.h>
5343 int main(void) {
5344 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5345 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5346 exit(0);
5347 }
5348 EOF
5349 if compile_prog "" "" ; then
5350 have_membarrier=yes
5351 fi
5352 fi
5353 if test "$have_membarrier" = "no"; then
5354 feature_not_found "membarrier" "membarrier system call not available"
5355 fi
5356 else
5357 # Do not enable it by default even for Mingw32, because it doesn't
5358 # work on Wine.
5359 membarrier=no
5360 fi
5361
5362 ##########################################
5363 # check if rtnetlink.h exists and is useful
5364 have_rtnetlink=no
5365 cat > $TMPC << EOF
5366 #include <linux/rtnetlink.h>
5367 int main(void) {
5368 return IFLA_PROTO_DOWN;
5369 }
5370 EOF
5371 if compile_prog "" "" ; then
5372 have_rtnetlink=yes
5373 fi
5374
5375 ##########################################
5376 # check for usable AF_VSOCK environment
5377 have_af_vsock=no
5378 cat > $TMPC << EOF
5379 #include <errno.h>
5380 #include <sys/types.h>
5381 #include <sys/socket.h>
5382 #if !defined(AF_VSOCK)
5383 # error missing AF_VSOCK flag
5384 #endif
5385 #include <linux/vm_sockets.h>
5386 int main(void) {
5387 int sock, ret;
5388 struct sockaddr_vm svm;
5389 socklen_t len = sizeof(svm);
5390 sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5391 ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5392 if ((ret == -1) && (errno == ENOTCONN)) {
5393 return 0;
5394 }
5395 return -1;
5396 }
5397 EOF
5398 if compile_prog "" "" ; then
5399 have_af_vsock=yes
5400 fi
5401
5402 ##########################################
5403 # check for usable AF_ALG environment
5404 have_afalg=no
5405 cat > $TMPC << EOF
5406 #include <errno.h>
5407 #include <sys/types.h>
5408 #include <sys/socket.h>
5409 #include <linux/if_alg.h>
5410 int main(void) {
5411 int sock;
5412 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5413 return sock;
5414 }
5415 EOF
5416 if compile_prog "" "" ; then
5417 have_afalg=yes
5418 fi
5419 if test "$crypto_afalg" = "yes"
5420 then
5421 if test "$have_afalg" != "yes"
5422 then
5423 error_exit "AF_ALG requested but could not be detected"
5424 fi
5425 fi
5426
5427
5428 #################################################
5429 # check for sysmacros.h
5430
5431 have_sysmacros=no
5432 cat > $TMPC << EOF
5433 #include <sys/sysmacros.h>
5434 int main(void) {
5435 return makedev(0, 0);
5436 }
5437 EOF
5438 if compile_prog "" "" ; then
5439 have_sysmacros=yes
5440 fi
5441
5442 ##########################################
5443 # check for _Static_assert()
5444
5445 have_static_assert=no
5446 cat > $TMPC << EOF
5447 _Static_assert(1, "success");
5448 int main(void) {
5449 return 0;
5450 }
5451 EOF
5452 if compile_prog "" "" ; then
5453 have_static_assert=yes
5454 fi
5455
5456 ##########################################
5457 # check for utmpx.h, it is missing e.g. on OpenBSD
5458
5459 have_utmpx=no
5460 cat > $TMPC << EOF
5461 #include <utmpx.h>
5462 struct utmpx user_info;
5463 int main(void) {
5464 return 0;
5465 }
5466 EOF
5467 if compile_prog "" "" ; then
5468 have_utmpx=yes
5469 fi
5470
5471 ##########################################
5472 # check for getrandom()
5473
5474 have_getrandom=no
5475 cat > $TMPC << EOF
5476 #include <sys/random.h>
5477 int main(void) {
5478 return getrandom(0, 0, GRND_NONBLOCK);
5479 }
5480 EOF
5481 if compile_prog "" "" ; then
5482 have_getrandom=yes
5483 fi
5484
5485 ##########################################
5486 # checks for sanitizers
5487
5488 have_asan=no
5489 have_ubsan=no
5490 have_asan_iface_h=no
5491 have_asan_iface_fiber=no
5492
5493 if test "$sanitizers" = "yes" ; then
5494 write_c_skeleton
5495 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5496 have_asan=yes
5497 fi
5498
5499 # we could use a simple skeleton for flags checks, but this also
5500 # detect the static linking issue of ubsan, see also:
5501 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5502 cat > $TMPC << EOF
5503 #include <stdlib.h>
5504 int main(void) {
5505 void *tmp = malloc(10);
5506 if (tmp != NULL) {
5507 return *(int *)(tmp + 2);
5508 }
5509 return 1;
5510 }
5511 EOF
5512 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5513 have_ubsan=yes
5514 fi
5515
5516 if check_include "sanitizer/asan_interface.h" ; then
5517 have_asan_iface_h=yes
5518 fi
5519
5520 cat > $TMPC << EOF
5521 #include <sanitizer/asan_interface.h>
5522 int main(void) {
5523 __sanitizer_start_switch_fiber(0, 0, 0);
5524 return 0;
5525 }
5526 EOF
5527 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5528 have_asan_iface_fiber=yes
5529 fi
5530 fi
5531
5532 ##########################################
5533 # checks for fuzzer
5534 if test "$fuzzing" = "yes" && test -z "${LIB_FUZZING_ENGINE+xxx}"; then
5535 write_c_fuzzer_skeleton
5536 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
5537 have_fuzzer=yes
5538 else
5539 error_exit "Your compiler doesn't support -fsanitize=fuzzer"
5540 exit 1
5541 fi
5542 fi
5543
5544 # Thread sanitizer is, for now, much noisier than the other sanitizers;
5545 # keep it separate until that is not the case.
5546 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
5547 error_exit "TSAN is not supported with other sanitiziers."
5548 fi
5549 have_tsan=no
5550 have_tsan_iface_fiber=no
5551 if test "$tsan" = "yes" ; then
5552 write_c_skeleton
5553 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
5554 have_tsan=yes
5555 fi
5556 cat > $TMPC << EOF
5557 #include <sanitizer/tsan_interface.h>
5558 int main(void) {
5559 __tsan_create_fiber(0);
5560 return 0;
5561 }
5562 EOF
5563 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
5564 have_tsan_iface_fiber=yes
5565 fi
5566 fi
5567
5568 ##########################################
5569 # check for libpmem
5570
5571 if test "$libpmem" != "no"; then
5572 if $pkg_config --exists "libpmem"; then
5573 libpmem="yes"
5574 libpmem_libs=$($pkg_config --libs libpmem)
5575 libpmem_cflags=$($pkg_config --cflags libpmem)
5576 else
5577 if test "$libpmem" = "yes" ; then
5578 feature_not_found "libpmem" "Install nvml or pmdk"
5579 fi
5580 libpmem="no"
5581 fi
5582 fi
5583
5584 ##########################################
5585 # check for libdaxctl
5586
5587 if test "$libdaxctl" != "no"; then
5588 if $pkg_config --atleast-version=57 "libdaxctl"; then
5589 libdaxctl="yes"
5590 libdaxctl_libs=$($pkg_config --libs libdaxctl)
5591 libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
5592 else
5593 if test "$libdaxctl" = "yes" ; then
5594 feature_not_found "libdaxctl" "Install libdaxctl"
5595 fi
5596 libdaxctl="no"
5597 fi
5598 fi
5599
5600 ##########################################
5601 # check for slirp
5602
5603 case "$slirp" in
5604 auto | enabled | internal)
5605 # Simpler to always update submodule, even if not needed.
5606 if test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5607 git_submodules="${git_submodules} slirp"
5608 fi
5609 ;;
5610 esac
5611
5612 ##########################################
5613 # check for usable __NR_keyctl syscall
5614
5615 if test "$linux" = "yes" ; then
5616
5617 have_keyring=no
5618 cat > $TMPC << EOF
5619 #include <errno.h>
5620 #include <asm/unistd.h>
5621 #include <linux/keyctl.h>
5622 #include <unistd.h>
5623 int main(void) {
5624 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
5625 }
5626 EOF
5627 if compile_prog "" "" ; then
5628 have_keyring=yes
5629 fi
5630 fi
5631 if test "$secret_keyring" != "no"
5632 then
5633 if test "$have_keyring" = "yes"
5634 then
5635 secret_keyring=yes
5636 else
5637 if test "$secret_keyring" = "yes"
5638 then
5639 error_exit "syscall __NR_keyctl requested, \
5640 but not implemented on your system"
5641 else
5642 secret_keyring=no
5643 fi
5644 fi
5645 fi
5646
5647 ##########################################
5648 # End of CC checks
5649 # After here, no more $cc or $ld runs
5650
5651 write_c_skeleton
5652
5653 if test "$gcov" = "yes" ; then
5654 :
5655 elif test "$fortify_source" = "yes" ; then
5656 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
5657 debug=no
5658 fi
5659
5660 case "$ARCH" in
5661 alpha)
5662 # Ensure there's only a single GP
5663 QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
5664 ;;
5665 esac
5666
5667 if test "$gprof" = "yes" ; then
5668 QEMU_CFLAGS="-p $QEMU_CFLAGS"
5669 QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
5670 fi
5671
5672 if test "$have_asan" = "yes"; then
5673 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
5674 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
5675 if test "$have_asan_iface_h" = "no" ; then
5676 echo "ASAN build enabled, but ASAN header missing." \
5677 "Without code annotation, the report may be inferior."
5678 elif test "$have_asan_iface_fiber" = "no" ; then
5679 echo "ASAN build enabled, but ASAN header is too old." \
5680 "Without code annotation, the report may be inferior."
5681 fi
5682 fi
5683 if test "$have_tsan" = "yes" ; then
5684 if test "$have_tsan_iface_fiber" = "yes" ; then
5685 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
5686 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
5687 else
5688 error_exit "Cannot enable TSAN due to missing fiber annotation interface."
5689 fi
5690 elif test "$tsan" = "yes" ; then
5691 error_exit "Cannot enable TSAN due to missing sanitize thread interface."
5692 fi
5693 if test "$have_ubsan" = "yes"; then
5694 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
5695 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
5696 fi
5697
5698 ##########################################
5699 # Do we have libnfs
5700 if test "$libnfs" != "no" ; then
5701 if $pkg_config --atleast-version=1.9.3 libnfs; then
5702 libnfs="yes"
5703 libnfs_libs=$($pkg_config --libs libnfs)
5704 else
5705 if test "$libnfs" = "yes" ; then
5706 feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5707 fi
5708 libnfs="no"
5709 fi
5710 fi
5711
5712 ##########################################
5713
5714 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
5715 if test "$solaris" = "no" && test "$tsan" = "no"; then
5716 if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5717 QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
5718 fi
5719 fi
5720
5721 # Use ASLR, no-SEH and DEP if available
5722 if test "$mingw32" = "yes" ; then
5723 flags="--no-seh --nxcompat"
5724
5725 # Disable ASLR for debug builds to allow debugging with gdb
5726 if test "$debug" = "no" ; then
5727 flags="--dynamicbase $flags"
5728 fi
5729
5730 for flag in $flags; do
5731 if ld_has $flag ; then
5732 QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
5733 fi
5734 done
5735 fi
5736
5737 # We can only support ivshmem if we have eventfd
5738 if [ "$eventfd" = "yes" ]; then
5739 ivshmem=yes
5740 fi
5741
5742 if test "$softmmu" = yes ; then
5743 if test "$linux" = yes; then
5744 if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
5745 virtfs=yes
5746 else
5747 if test "$virtfs" = yes; then
5748 error_exit "VirtFS requires libcap-ng devel and libattr devel"
5749 fi
5750 virtfs=no
5751 fi
5752 else
5753 if test "$virtfs" = yes; then
5754 error_exit "VirtFS is supported only on Linux"
5755 fi
5756 virtfs=no
5757 fi
5758 fi
5759
5760 # Probe for guest agent support/options
5761
5762 if [ "$guest_agent" != "no" ]; then
5763 if [ "$softmmu" = no -a "$want_tools" = no ] ; then
5764 guest_agent=no
5765 elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5766 guest_agent=yes
5767 elif [ "$guest_agent" != yes ]; then
5768 guest_agent=no
5769 else
5770 error_exit "Guest agent is not supported on this platform"
5771 fi
5772 fi
5773
5774 # Guest agent Window MSI package
5775
5776 if test "$guest_agent" != yes; then
5777 if test "$guest_agent_msi" = yes; then
5778 error_exit "MSI guest agent package requires guest agent enabled"
5779 fi
5780 guest_agent_msi=no
5781 elif test "$mingw32" != "yes"; then
5782 if test "$guest_agent_msi" = "yes"; then
5783 error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5784 fi
5785 guest_agent_msi=no
5786 elif ! has wixl; then
5787 if test "$guest_agent_msi" = "yes"; then
5788 error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5789 fi
5790 guest_agent_msi=no
5791 else
5792 # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5793 # disabled explicitly
5794 if test "$guest_agent_msi" != "no"; then
5795 guest_agent_msi=yes
5796 fi
5797 fi
5798
5799 if test "$guest_agent_msi" = "yes"; then
5800 if test "$guest_agent_with_vss" = "yes"; then
5801 QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5802 fi
5803
5804 if test "$QEMU_GA_MANUFACTURER" = ""; then
5805 QEMU_GA_MANUFACTURER=QEMU
5806 fi
5807
5808 if test "$QEMU_GA_DISTRO" = ""; then
5809 QEMU_GA_DISTRO=Linux
5810 fi
5811
5812 if test "$QEMU_GA_VERSION" = ""; then
5813 QEMU_GA_VERSION=$(cat $source_path/VERSION)
5814 fi
5815
5816 QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5817
5818 case "$cpu" in
5819 x86_64)
5820 QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5821 ;;
5822 i386)
5823 QEMU_GA_MSI_ARCH="-D Arch=32"
5824 ;;
5825 *)
5826 error_exit "CPU $cpu not supported for building installation package"
5827 ;;
5828 esac
5829 fi
5830
5831 # Mac OS X ships with a broken assembler
5832 roms=
5833 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
5834 test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
5835 test "$targetos" != "Haiku" && test "$softmmu" = yes ; then
5836 # Different host OS linkers have different ideas about the name of the ELF
5837 # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
5838 # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
5839 for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
5840 if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5841 ld_i386_emulation="$emu"
5842 roms="optionrom"
5843 break
5844 fi
5845 done
5846 fi
5847
5848 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
5849 if test "$cpu" = "s390x" ; then
5850 write_c_skeleton
5851 if compile_prog "-march=z900" ""; then
5852 roms="$roms s390-ccw"
5853 # SLOF is required for building the s390-ccw firmware on s390x,
5854 # since it is using the libnet code from SLOF for network booting.
5855 if test -e "${source_path}/.git" ; then
5856 git_submodules="${git_submodules} roms/SLOF"
5857 fi
5858 fi
5859 fi
5860
5861 # Check that the C++ compiler exists and works with the C compiler.
5862 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
5863 if has $cxx; then
5864 cat > $TMPC <<EOF
5865 int c_function(void);
5866 int main(void) { return c_function(); }
5867 EOF
5868
5869 compile_object
5870
5871 cat > $TMPCXX <<EOF
5872 extern "C" {
5873 int c_function(void);
5874 }
5875 int c_function(void) { return 42; }
5876 EOF
5877
5878 update_cxxflags
5879
5880 if do_cxx $CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
5881 # C++ compiler $cxx works ok with C compiler $cc
5882 :
5883 else
5884 echo "C++ compiler $cxx does not work with C compiler $cc"
5885 echo "Disabling C++ specific optional code"
5886 cxx=
5887 fi
5888 else
5889 echo "No C++ compiler available; disabling C++ specific optional code"
5890 cxx=
5891 fi
5892
5893 if test $git_update = 'yes' ; then
5894 (cd "${source_path}" && GIT="$git" "./scripts/git-submodule.sh" update "$git_submodules")
5895 fi
5896
5897 config_host_mak="config-host.mak"
5898
5899 echo "# Automatically generated by configure - do not modify" > $config_host_mak
5900 echo >> $config_host_mak
5901
5902 echo all: >> $config_host_mak
5903 echo "GIT=$git" >> $config_host_mak
5904 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
5905 echo "GIT_UPDATE=$git_update" >> $config_host_mak
5906
5907 echo "ARCH=$ARCH" >> $config_host_mak
5908
5909 if test "$default_devices" = "yes" ; then
5910 echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
5911 else
5912 echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
5913 fi
5914 if test "$debug_tcg" = "yes" ; then
5915 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
5916 fi
5917 if test "$strip_opt" = "yes" ; then
5918 echo "STRIP=${strip}" >> $config_host_mak
5919 fi
5920 if test "$bigendian" = "yes" ; then
5921 echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
5922 fi
5923 if test "$mingw32" = "yes" ; then
5924 echo "CONFIG_WIN32=y" >> $config_host_mak
5925 rc_version=$(cat $source_path/VERSION)
5926 version_major=${rc_version%%.*}
5927 rc_version=${rc_version#*.}
5928 version_minor=${rc_version%%.*}
5929 rc_version=${rc_version#*.}
5930 version_subminor=${rc_version%%.*}
5931 version_micro=0
5932 echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5933 echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5934 if test "$guest_agent_with_vss" = "yes" ; then
5935 echo "CONFIG_QGA_VSS=y" >> $config_host_mak
5936 echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
5937 echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
5938 fi
5939 if test "$guest_agent_ntddscsi" = "yes" ; then
5940 echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
5941 fi
5942 if test "$guest_agent_msi" = "yes"; then
5943 echo "CONFIG_QGA_MSI=y" >> $config_host_mak
5944 echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
5945 echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
5946 echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
5947 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
5948 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
5949 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
5950 fi
5951 else
5952 echo "CONFIG_POSIX=y" >> $config_host_mak
5953 fi
5954
5955 if test "$linux" = "yes" ; then
5956 echo "CONFIG_LINUX=y" >> $config_host_mak
5957 fi
5958
5959 if test "$darwin" = "yes" ; then
5960 echo "CONFIG_DARWIN=y" >> $config_host_mak
5961 fi
5962
5963 if test "$solaris" = "yes" ; then
5964 echo "CONFIG_SOLARIS=y" >> $config_host_mak
5965 fi
5966 if test "$haiku" = "yes" ; then
5967 echo "CONFIG_HAIKU=y" >> $config_host_mak
5968 fi
5969 if test "$static" = "yes" ; then
5970 echo "CONFIG_STATIC=y" >> $config_host_mak
5971 fi
5972 if test "$profiler" = "yes" ; then
5973 echo "CONFIG_PROFILER=y" >> $config_host_mak
5974 fi
5975 if test "$want_tools" = "yes" ; then
5976 echo "CONFIG_TOOLS=y" >> $config_host_mak
5977 fi
5978 if test "$guest_agent" = "yes" ; then
5979 echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
5980 fi
5981 echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
5982 if test "$vde" = "yes" ; then
5983 echo "CONFIG_VDE=y" >> $config_host_mak
5984 echo "VDE_LIBS=$vde_libs" >> $config_host_mak
5985 fi
5986 if test "$netmap" = "yes" ; then
5987 echo "CONFIG_NETMAP=y" >> $config_host_mak
5988 fi
5989 if test "$l2tpv3" = "yes" ; then
5990 echo "CONFIG_L2TPV3=y" >> $config_host_mak
5991 fi
5992 if test "$gprof" = "yes" ; then
5993 echo "CONFIG_GPROF=y" >> $config_host_mak
5994 fi
5995 if test "$cap_ng" = "yes" ; then
5996 echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
5997 echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
5998 fi
5999 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6000 for drv in $audio_drv_list; do
6001 def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6002 echo "$def=y" >> $config_host_mak
6003 done
6004 if test "$alsa" = "yes" ; then
6005 echo "CONFIG_ALSA=y" >> $config_host_mak
6006 fi
6007 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6008 echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak
6009 if test "$libpulse" = "yes" ; then
6010 echo "CONFIG_LIBPULSE=y" >> $config_host_mak
6011 fi
6012 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6013 echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak
6014 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6015 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6016 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6017 if test "$libjack" = "yes" ; then
6018 echo "CONFIG_LIBJACK=y" >> $config_host_mak
6019 fi
6020 echo "JACK_LIBS=$jack_libs" >> $config_host_mak
6021 if test "$audio_win_int" = "yes" ; then
6022 echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6023 fi
6024 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6025 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6026 if test "$xfs" = "yes" ; then
6027 echo "CONFIG_XFS=y" >> $config_host_mak
6028 fi
6029 qemu_version=$(head $source_path/VERSION)
6030 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6031 echo "SRC_PATH=$source_path" >> $config_host_mak
6032 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6033 if test "$modules" = "yes"; then
6034 # $shacmd can generate a hash started with digit, which the compiler doesn't
6035 # like as an symbol. So prefix it with an underscore
6036 echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6037 echo "CONFIG_MODULES=y" >> $config_host_mak
6038 fi
6039 if test "$module_upgrades" = "yes"; then
6040 echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
6041 fi
6042 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6043 echo "CONFIG_X11=y" >> $config_host_mak
6044 echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6045 echo "X11_LIBS=$x11_libs" >> $config_host_mak
6046 fi
6047 if test "$pipe2" = "yes" ; then
6048 echo "CONFIG_PIPE2=y" >> $config_host_mak
6049 fi
6050 if test "$accept4" = "yes" ; then
6051 echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6052 fi
6053 if test "$splice" = "yes" ; then
6054 echo "CONFIG_SPLICE=y" >> $config_host_mak
6055 fi
6056 if test "$eventfd" = "yes" ; then
6057 echo "CONFIG_EVENTFD=y" >> $config_host_mak
6058 fi
6059 if test "$memfd" = "yes" ; then
6060 echo "CONFIG_MEMFD=y" >> $config_host_mak
6061 fi
6062 if test "$have_usbfs" = "yes" ; then
6063 echo "CONFIG_USBFS=y" >> $config_host_mak
6064 fi
6065 if test "$fallocate" = "yes" ; then
6066 echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6067 fi
6068 if test "$fallocate_punch_hole" = "yes" ; then
6069 echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6070 fi
6071 if test "$fallocate_zero_range" = "yes" ; then
6072 echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6073 fi
6074 if test "$posix_fallocate" = "yes" ; then
6075 echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6076 fi
6077 if test "$sync_file_range" = "yes" ; then
6078 echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6079 fi
6080 if test "$fiemap" = "yes" ; then
6081 echo "CONFIG_FIEMAP=y" >> $config_host_mak
6082 fi
6083 if test "$dup3" = "yes" ; then
6084 echo "CONFIG_DUP3=y" >> $config_host_mak
6085 fi
6086 if test "$ppoll" = "yes" ; then
6087 echo "CONFIG_PPOLL=y" >> $config_host_mak
6088 fi
6089 if test "$prctl_pr_set_timerslack" = "yes" ; then
6090 echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6091 fi
6092 if test "$epoll" = "yes" ; then
6093 echo "CONFIG_EPOLL=y" >> $config_host_mak
6094 fi
6095 if test "$epoll_create1" = "yes" ; then
6096 echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6097 fi
6098 if test "$sendfile" = "yes" ; then
6099 echo "CONFIG_SENDFILE=y" >> $config_host_mak
6100 fi
6101 if test "$timerfd" = "yes" ; then
6102 echo "CONFIG_TIMERFD=y" >> $config_host_mak
6103 fi
6104 if test "$setns" = "yes" ; then
6105 echo "CONFIG_SETNS=y" >> $config_host_mak
6106 fi
6107 if test "$clock_adjtime" = "yes" ; then
6108 echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6109 fi
6110 if test "$syncfs" = "yes" ; then
6111 echo "CONFIG_SYNCFS=y" >> $config_host_mak
6112 fi
6113 if test "$inotify" = "yes" ; then
6114 echo "CONFIG_INOTIFY=y" >> $config_host_mak
6115 fi
6116 if test "$inotify1" = "yes" ; then
6117 echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6118 fi
6119 if test "$sem_timedwait" = "yes" ; then
6120 echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6121 fi
6122 if test "$strchrnul" = "yes" ; then
6123 echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6124 fi
6125 if test "$st_atim" = "yes" ; then
6126 echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
6127 fi
6128 if test "$byteswap_h" = "yes" ; then
6129 echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6130 fi
6131 if test "$bswap_h" = "yes" ; then
6132 echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6133 fi
6134 if test "$curl" = "yes" ; then
6135 echo "CONFIG_CURL=y" >> $config_host_mak
6136 echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6137 echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6138 fi
6139 if test "$brlapi" = "yes" ; then
6140 echo "CONFIG_BRLAPI=y" >> $config_host_mak
6141 echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6142 fi
6143 if test "$gtk" = "yes" ; then
6144 echo "CONFIG_GTK=y" >> $config_host_mak
6145 echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6146 echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6147 if test "$gtk_gl" = "yes" ; then
6148 echo "CONFIG_GTK_GL=y" >> $config_host_mak
6149 fi
6150 fi
6151 if test "$gio" = "yes" ; then
6152 echo "CONFIG_GIO=y" >> $config_host_mak
6153 echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6154 echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6155 echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
6156 fi
6157 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6158 if test "$gnutls" = "yes" ; then
6159 echo "CONFIG_GNUTLS=y" >> $config_host_mak
6160 echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
6161 echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
6162 fi
6163 if test "$gcrypt" = "yes" ; then
6164 echo "CONFIG_GCRYPT=y" >> $config_host_mak
6165 if test "$gcrypt_hmac" = "yes" ; then
6166 echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6167 fi
6168 echo "GCRYPT_CFLAGS=$gcrypt_cflags" >> $config_host_mak
6169 echo "GCRYPT_LIBS=$gcrypt_libs" >> $config_host_mak
6170 fi
6171 if test "$nettle" = "yes" ; then
6172 echo "CONFIG_NETTLE=y" >> $config_host_mak
6173 echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6174 echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
6175 echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
6176 fi
6177 if test "$qemu_private_xts" = "yes" ; then
6178 echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6179 fi
6180 if test "$tasn1" = "yes" ; then
6181 echo "CONFIG_TASN1=y" >> $config_host_mak
6182 fi
6183 if test "$auth_pam" = "yes" ; then
6184 echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6185 fi
6186 if test "$have_broken_size_max" = "yes" ; then
6187 echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6188 fi
6189 if test "$have_openpty" = "yes" ; then
6190 echo "HAVE_OPENPTY=y" >> $config_host_mak
6191 fi
6192
6193 # Work around a system header bug with some kernel/XFS header
6194 # versions where they both try to define 'struct fsxattr':
6195 # xfs headers will not try to redefine structs from linux headers
6196 # if this macro is set.
6197 if test "$have_fsxattr" = "yes" ; then
6198 echo "HAVE_FSXATTR=y" >> $config_host_mak
6199 fi
6200 if test "$have_copy_file_range" = "yes" ; then
6201 echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6202 fi
6203 if test "$vte" = "yes" ; then
6204 echo "CONFIG_VTE=y" >> $config_host_mak
6205 echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6206 echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6207 fi
6208 if test "$virglrenderer" = "yes" ; then
6209 echo "CONFIG_VIRGL=y" >> $config_host_mak
6210 echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6211 echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6212 fi
6213 if test "$xen" = "enabled" ; then
6214 echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6215 echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6216 echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak
6217 echo "XEN_LIBS=$xen_libs" >> $config_host_mak
6218 fi
6219 if test "$linux_aio" = "yes" ; then
6220 echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6221 fi
6222 if test "$linux_io_uring" = "yes" ; then
6223 echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
6224 echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
6225 echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
6226 fi
6227 if test "$attr" = "yes" ; then
6228 echo "CONFIG_ATTR=y" >> $config_host_mak
6229 echo "LIBATTR_LIBS=$libattr_libs" >> $config_host_mak
6230 fi
6231 if test "$libattr" = "yes" ; then
6232 echo "CONFIG_LIBATTR=y" >> $config_host_mak
6233 fi
6234 if test "$virtfs" = "yes" ; then
6235 echo "CONFIG_VIRTFS=y" >> $config_host_mak
6236 fi
6237 if test "$vhost_scsi" = "yes" ; then
6238 echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6239 fi
6240 if test "$vhost_net" = "yes" ; then
6241 echo "CONFIG_VHOST_NET=y" >> $config_host_mak
6242 fi
6243 if test "$vhost_net_user" = "yes" ; then
6244 echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
6245 fi
6246 if test "$vhost_net_vdpa" = "yes" ; then
6247 echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
6248 fi
6249 if test "$vhost_crypto" = "yes" ; then
6250 echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6251 fi
6252 if test "$vhost_vsock" = "yes" ; then
6253 echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6254 if test "$vhost_user" = "yes" ; then
6255 echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
6256 fi
6257 fi
6258 if test "$vhost_kernel" = "yes" ; then
6259 echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
6260 fi
6261 if test "$vhost_user" = "yes" ; then
6262 echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6263 fi
6264 if test "$vhost_vdpa" = "yes" ; then
6265 echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
6266 fi
6267 if test "$vhost_user_fs" = "yes" ; then
6268 echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
6269 fi
6270 if test "$iovec" = "yes" ; then
6271 echo "CONFIG_IOVEC=y" >> $config_host_mak
6272 fi
6273 if test "$preadv" = "yes" ; then
6274 echo "CONFIG_PREADV=y" >> $config_host_mak
6275 fi
6276 if test "$membarrier" = "yes" ; then
6277 echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
6278 fi
6279 if test "$signalfd" = "yes" ; then
6280 echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6281 fi
6282 if test "$optreset" = "yes" ; then
6283 echo "HAVE_OPTRESET=y" >> $config_host_mak
6284 fi
6285 if test "$tcg" = "enabled"; then
6286 if test "$tcg_interpreter" = "yes" ; then
6287 echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6288 fi
6289 fi
6290 if test "$fdatasync" = "yes" ; then
6291 echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6292 fi
6293 if test "$madvise" = "yes" ; then
6294 echo "CONFIG_MADVISE=y" >> $config_host_mak
6295 fi
6296 if test "$posix_madvise" = "yes" ; then
6297 echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6298 fi
6299 if test "$posix_memalign" = "yes" ; then
6300 echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6301 fi
6302 if test "$spice" = "yes" ; then
6303 echo "CONFIG_SPICE=y" >> $config_host_mak
6304 echo "SPICE_CFLAGS=$spice_cflags" >> $config_host_mak
6305 echo "SPICE_LIBS=$spice_libs" >> $config_host_mak
6306 fi
6307
6308 if test "$smartcard" = "yes" ; then
6309 echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6310 echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6311 echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6312 fi
6313
6314 if test "$libusb" = "yes" ; then
6315 echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6316 echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6317 echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6318 fi
6319
6320 if test "$usb_redir" = "yes" ; then
6321 echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6322 echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6323 echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6324 fi
6325
6326 if test "$opengl" = "yes" ; then
6327 echo "CONFIG_OPENGL=y" >> $config_host_mak
6328 echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak
6329 echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6330 if test "$opengl_dmabuf" = "yes" ; then
6331 echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6332 fi
6333 fi
6334
6335 if test "$gbm" = "yes" ; then
6336 echo "CONFIG_GBM=y" >> $config_host_mak
6337 echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
6338 echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
6339 fi
6340
6341
6342 if test "$avx2_opt" = "yes" ; then
6343 echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6344 fi
6345
6346 if test "$avx512f_opt" = "yes" ; then
6347 echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
6348 fi
6349
6350 if test "$lzo" = "yes" ; then
6351 echo "CONFIG_LZO=y" >> $config_host_mak
6352 echo "LZO_LIBS=$lzo_libs" >> $config_host_mak
6353 fi
6354
6355 if test "$snappy" = "yes" ; then
6356 echo "CONFIG_SNAPPY=y" >> $config_host_mak
6357 echo "SNAPPY_LIBS=$snappy_libs" >> $config_host_mak
6358 fi
6359
6360 if test "$bzip2" = "yes" ; then
6361 echo "CONFIG_BZIP2=y" >> $config_host_mak
6362 echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6363 fi
6364
6365 if test "$lzfse" = "yes" ; then
6366 echo "CONFIG_LZFSE=y" >> $config_host_mak
6367 echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
6368 fi
6369
6370 if test "$zstd" = "yes" ; then
6371 echo "CONFIG_ZSTD=y" >> $config_host_mak
6372 echo "ZSTD_CFLAGS=$zstd_cflags" >> $config_host_mak
6373 echo "ZSTD_LIBS=$zstd_libs" >> $config_host_mak
6374 fi
6375
6376 if test "$libiscsi" = "yes" ; then
6377 echo "CONFIG_LIBISCSI=y" >> $config_host_mak
6378 echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6379 echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6380 fi
6381
6382 if test "$libnfs" = "yes" ; then
6383 echo "CONFIG_LIBNFS=y" >> $config_host_mak
6384 echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6385 fi
6386
6387 if test "$seccomp" = "yes"; then
6388 echo "CONFIG_SECCOMP=y" >> $config_host_mak
6389 echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6390 echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6391 fi
6392
6393 # XXX: suppress that
6394 if [ "$bsd" = "yes" ] ; then
6395 echo "CONFIG_BSD=y" >> $config_host_mak
6396 fi
6397
6398 if test "$qom_cast_debug" = "yes" ; then
6399 echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6400 fi
6401 if test "$rbd" = "yes" ; then
6402 echo "CONFIG_RBD=y" >> $config_host_mak
6403 echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6404 fi
6405
6406 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6407 if test "$coroutine_pool" = "yes" ; then
6408 echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6409 else
6410 echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6411 fi
6412
6413 if test "$debug_stack_usage" = "yes" ; then
6414 echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6415 fi
6416
6417 if test "$crypto_afalg" = "yes" ; then
6418 echo "CONFIG_AF_ALG=y" >> $config_host_mak
6419 fi
6420
6421 if test "$open_by_handle_at" = "yes" ; then
6422 echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6423 fi
6424
6425 if test "$linux_magic_h" = "yes" ; then
6426 echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6427 fi
6428
6429 if test "$valgrind_h" = "yes" ; then
6430 echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6431 fi
6432
6433 if test "$have_asan_iface_fiber" = "yes" ; then
6434 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6435 fi
6436
6437 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
6438 echo "CONFIG_TSAN=y" >> $config_host_mak
6439 fi
6440
6441 if test "$has_environ" = "yes" ; then
6442 echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6443 fi
6444
6445 if test "$cpuid_h" = "yes" ; then
6446 echo "CONFIG_CPUID_H=y" >> $config_host_mak
6447 fi
6448
6449 if test "$int128" = "yes" ; then
6450 echo "CONFIG_INT128=y" >> $config_host_mak
6451 fi
6452
6453 if test "$atomic128" = "yes" ; then
6454 echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6455 fi
6456
6457 if test "$cmpxchg128" = "yes" ; then
6458 echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
6459 fi
6460
6461 if test "$atomic64" = "yes" ; then
6462 echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6463 fi
6464
6465 if test "$attralias" = "yes" ; then
6466 echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
6467 fi
6468
6469 if test "$getauxval" = "yes" ; then
6470 echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6471 fi
6472
6473 if test "$glusterfs" = "yes" ; then
6474 echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
6475 echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6476 echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6477 fi
6478
6479 if test "$glusterfs_xlator_opt" = "yes" ; then
6480 echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6481 fi
6482
6483 if test "$glusterfs_discard" = "yes" ; then
6484 echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6485 fi
6486
6487 if test "$glusterfs_fallocate" = "yes" ; then
6488 echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6489 fi
6490
6491 if test "$glusterfs_zerofill" = "yes" ; then
6492 echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6493 fi
6494
6495 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
6496 echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
6497 fi
6498
6499 if test "$glusterfs_iocb_has_stat" = "yes" ; then
6500 echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
6501 fi
6502
6503 if test "$libssh" = "yes" ; then
6504 echo "CONFIG_LIBSSH=y" >> $config_host_mak
6505 echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
6506 echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
6507 fi
6508
6509 if test "$live_block_migration" = "yes" ; then
6510 echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6511 fi
6512
6513 if test "$tpm" = "yes"; then
6514 echo 'CONFIG_TPM=y' >> $config_host_mak
6515 fi
6516
6517 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6518 if have_backend "nop"; then
6519 echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6520 fi
6521 if have_backend "simple"; then
6522 echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6523 # Set the appropriate trace file.
6524 trace_file="\"$trace_file-\" FMT_pid"
6525 fi
6526 if have_backend "log"; then
6527 echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6528 fi
6529 if have_backend "ust"; then
6530 echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6531 echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
6532 echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
6533 fi
6534 if have_backend "dtrace"; then
6535 echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6536 if test "$trace_backend_stap" = "yes" ; then
6537 echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6538 fi
6539 fi
6540 if have_backend "ftrace"; then
6541 if test "$linux" = "yes" ; then
6542 echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6543 else
6544 feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6545 fi
6546 fi
6547 if have_backend "syslog"; then
6548 if test "$posix_syslog" = "yes" ; then
6549 echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6550 else
6551 feature_not_found "syslog(trace backend)" "syslog not available"
6552 fi
6553 fi
6554 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6555
6556 if test "$rdma" = "yes" ; then
6557 echo "CONFIG_RDMA=y" >> $config_host_mak
6558 echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6559 fi
6560
6561 if test "$pvrdma" = "yes" ; then
6562 echo "CONFIG_PVRDMA=y" >> $config_host_mak
6563 fi
6564
6565 if test "$have_rtnetlink" = "yes" ; then
6566 echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6567 fi
6568
6569 if test "$libxml2" = "yes" ; then
6570 echo "CONFIG_LIBXML2=y" >> $config_host_mak
6571 echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
6572 echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
6573 fi
6574
6575 if test "$replication" = "yes" ; then
6576 echo "CONFIG_REPLICATION=y" >> $config_host_mak
6577 fi
6578
6579 if test "$have_af_vsock" = "yes" ; then
6580 echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6581 fi
6582
6583 if test "$have_sysmacros" = "yes" ; then
6584 echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6585 fi
6586
6587 if test "$have_static_assert" = "yes" ; then
6588 echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6589 fi
6590
6591 if test "$have_utmpx" = "yes" ; then
6592 echo "HAVE_UTMPX=y" >> $config_host_mak
6593 fi
6594 if test "$have_getrandom" = "yes" ; then
6595 echo "CONFIG_GETRANDOM=y" >> $config_host_mak
6596 fi
6597 if test "$ivshmem" = "yes" ; then
6598 echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6599 fi
6600 if test "$debug_mutex" = "yes" ; then
6601 echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
6602 fi
6603
6604 # Hold two types of flag:
6605 # CONFIG_THREAD_SETNAME_BYTHREAD - we've got a way of setting the name on
6606 # a thread we have a handle to
6607 # CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
6608 # platform
6609 if test "$pthread_setname_np_w_tid" = "yes" ; then
6610 echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6611 echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
6612 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
6613 echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6614 echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
6615 fi
6616
6617 if test "$libpmem" = "yes" ; then
6618 echo "CONFIG_LIBPMEM=y" >> $config_host_mak
6619 echo "LIBPMEM_LIBS=$libpmem_libs" >> $config_host_mak
6620 echo "LIBPMEM_CFLAGS=$libpmem_cflags" >> $config_host_mak
6621 fi
6622
6623 if test "$libdaxctl" = "yes" ; then
6624 echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
6625 echo "LIBDAXCTL_LIBS=$libdaxctl_libs" >> $config_host_mak
6626 fi
6627
6628 if test "$bochs" = "yes" ; then
6629 echo "CONFIG_BOCHS=y" >> $config_host_mak
6630 fi
6631 if test "$cloop" = "yes" ; then
6632 echo "CONFIG_CLOOP=y" >> $config_host_mak
6633 fi
6634 if test "$dmg" = "yes" ; then
6635 echo "CONFIG_DMG=y" >> $config_host_mak
6636 fi
6637 if test "$qcow1" = "yes" ; then
6638 echo "CONFIG_QCOW1=y" >> $config_host_mak
6639 fi
6640 if test "$vdi" = "yes" ; then
6641 echo "CONFIG_VDI=y" >> $config_host_mak
6642 fi
6643 if test "$vvfat" = "yes" ; then
6644 echo "CONFIG_VVFAT=y" >> $config_host_mak
6645 fi
6646 if test "$qed" = "yes" ; then
6647 echo "CONFIG_QED=y" >> $config_host_mak
6648 fi
6649 if test "$parallels" = "yes" ; then
6650 echo "CONFIG_PARALLELS=y" >> $config_host_mak
6651 fi
6652 if test "$sheepdog" = "yes" ; then
6653 add_to deprecated_features "sheepdog"
6654 echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
6655 fi
6656 if test "$have_mlockall" = "yes" ; then
6657 echo "HAVE_MLOCKALL=y" >> $config_host_mak
6658 fi
6659 if test "$fuzzing" = "yes" ; then
6660 # If LIB_FUZZING_ENGINE is set, assume we are running on OSS-Fuzz, and the
6661 # needed CFLAGS have already been provided
6662 if test -z "${LIB_FUZZING_ENGINE+xxx}" ; then
6663 QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
6664 FUZZ_EXE_LDFLAGS="-fsanitize=fuzzer"
6665 else
6666 FUZZ_EXE_LDFLAGS="$LIB_FUZZING_ENGINE"
6667 fi
6668 fi
6669
6670 if test "$plugins" = "yes" ; then
6671 echo "CONFIG_PLUGIN=y" >> $config_host_mak
6672 # Copy the export object list to the build dir
6673 if test "$ld_dynamic_list" = "yes" ; then
6674 echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
6675 ld_symbols=qemu-plugins-ld.symbols
6676 cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
6677 elif test "$ld_exported_symbols_list" = "yes" ; then
6678 echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
6679 ld64_symbols=qemu-plugins-ld64.symbols
6680 echo "# Automatically generated by configure - do not modify" > $ld64_symbols
6681 grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
6682 sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
6683 else
6684 error_exit \
6685 "If \$plugins=yes, either \$ld_dynamic_list or " \
6686 "\$ld_exported_symbols_list should have been set to 'yes'."
6687 fi
6688 fi
6689
6690 if test -n "$gdb_bin" ; then
6691 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
6692 fi
6693
6694 if test "$secret_keyring" = "yes" ; then
6695 echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
6696 fi
6697
6698 echo "ROMS=$roms" >> $config_host_mak
6699 echo "MAKE=$make" >> $config_host_mak
6700 echo "PYTHON=$python" >> $config_host_mak
6701 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
6702 echo "MESON=$meson" >> $config_host_mak
6703 echo "NINJA=$ninja" >> $config_host_mak
6704 echo "CC=$cc" >> $config_host_mak
6705 if $iasl -h > /dev/null 2>&1; then
6706 echo "CONFIG_IASL=$iasl" >> $config_host_mak
6707 fi
6708 echo "CXX=$cxx" >> $config_host_mak
6709 echo "OBJCC=$objcc" >> $config_host_mak
6710 echo "AR=$ar" >> $config_host_mak
6711 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
6712 echo "AS=$as" >> $config_host_mak
6713 echo "CCAS=$ccas" >> $config_host_mak
6714 echo "CPP=$cpp" >> $config_host_mak
6715 echo "OBJCOPY=$objcopy" >> $config_host_mak
6716 echo "LD=$ld" >> $config_host_mak
6717 echo "RANLIB=$ranlib" >> $config_host_mak
6718 echo "NM=$nm" >> $config_host_mak
6719 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
6720 echo "WINDRES=$windres" >> $config_host_mak
6721 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
6722 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
6723 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
6724 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
6725 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
6726 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
6727 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
6728 echo "EXESUF=$EXESUF" >> $config_host_mak
6729 echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak
6730 echo "LIBS_QGA=$libs_qga" >> $config_host_mak
6731 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
6732 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
6733 if test "$gcov" = "yes" ; then
6734 echo "CONFIG_GCOV=y" >> $config_host_mak
6735 fi
6736
6737 if test "$fuzzing" != "no"; then
6738 echo "CONFIG_FUZZ=y" >> $config_host_mak
6739 fi
6740 echo "FUZZ_EXE_LDFLAGS=$FUZZ_EXE_LDFLAGS" >> $config_host_mak
6741
6742 if test "$rng_none" = "yes"; then
6743 echo "CONFIG_RNG_NONE=y" >> $config_host_mak
6744 fi
6745
6746 # use included Linux headers
6747 if test "$linux" = "yes" ; then
6748 mkdir -p linux-headers
6749 case "$cpu" in
6750 i386|x86_64|x32)
6751 linux_arch=x86
6752 ;;
6753 ppc|ppc64|ppc64le)
6754 linux_arch=powerpc
6755 ;;
6756 s390x)
6757 linux_arch=s390
6758 ;;
6759 aarch64)
6760 linux_arch=arm64
6761 ;;
6762 mips64)
6763 linux_arch=mips
6764 ;;
6765 *)
6766 # For most CPUs the kernel architecture name and QEMU CPU name match.
6767 linux_arch="$cpu"
6768 ;;
6769 esac
6770 # For non-KVM architectures we will not have asm headers
6771 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
6772 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
6773 fi
6774 fi
6775
6776 for target in $target_list; do
6777 target_dir="$target"
6778 target_name=$(echo $target | cut -d '-' -f 1)
6779 mkdir -p $target_dir
6780 case $target in
6781 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
6782 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
6783 esac
6784 done
6785
6786 echo "CONFIG_QEMU_INTERP_PREFIX=$interp_prefix" | sed 's/%M/@0@/' >> $config_host_mak
6787 if test "$default_targets" = "yes"; then
6788 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
6789 fi
6790
6791 if test "$numa" = "yes"; then
6792 echo "CONFIG_NUMA=y" >> $config_host_mak
6793 echo "NUMA_LIBS=$numa_libs" >> $config_host_mak
6794 fi
6795
6796 if test "$ccache_cpp2" = "yes"; then
6797 echo "export CCACHE_CPP2=y" >> $config_host_mak
6798 fi
6799
6800 if test "$safe_stack" = "yes"; then
6801 echo "CONFIG_SAFESTACK=y" >> $config_host_mak
6802 fi
6803
6804 # If we're using a separate build tree, set it up now.
6805 # DIRS are directories which we simply mkdir in the build tree;
6806 # LINKS are things to symlink back into the source tree
6807 # (these can be both files and directories).
6808 # Caution: do not add files or directories here using wildcards. This
6809 # will result in problems later if a new file matching the wildcard is
6810 # added to the source tree -- nothing will cause configure to be rerun
6811 # so the build tree will be missing the link back to the new file, and
6812 # tests might fail. Prefer to keep the relevant files in their own
6813 # directory and symlink the directory instead.
6814 # UNLINK is used to remove symlinks from older development versions
6815 # that might get into the way when doing "git update" without doing
6816 # a "make distclean" in between.
6817 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
6818 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
6819 DIRS="$DIRS docs docs/interop fsdev scsi"
6820 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
6821 DIRS="$DIRS roms/seabios"
6822 DIRS="$DIRS contrib/plugins/"
6823 LINKS="Makefile"
6824 LINKS="$LINKS tests/tcg/lm32/Makefile"
6825 LINKS="$LINKS tests/tcg/Makefile.target"
6826 LINKS="$LINKS pc-bios/optionrom/Makefile"
6827 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
6828 LINKS="$LINKS roms/seabios/Makefile"
6829 LINKS="$LINKS pc-bios/qemu-icon.bmp"
6830 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
6831 LINKS="$LINKS tests/acceptance tests/data"
6832 LINKS="$LINKS tests/qemu-iotests/check"
6833 LINKS="$LINKS python"
6834 LINKS="$LINKS contrib/plugins/Makefile "
6835 UNLINK="pc-bios/keymaps"
6836 for bios_file in \
6837 $source_path/pc-bios/*.bin \
6838 $source_path/pc-bios/*.elf \
6839 $source_path/pc-bios/*.lid \
6840 $source_path/pc-bios/*.rom \
6841 $source_path/pc-bios/*.dtb \
6842 $source_path/pc-bios/*.img \
6843 $source_path/pc-bios/openbios-* \
6844 $source_path/pc-bios/u-boot.* \
6845 $source_path/pc-bios/edk2-*.fd.bz2 \
6846 $source_path/pc-bios/palcode-*
6847 do
6848 LINKS="$LINKS pc-bios/$(basename $bios_file)"
6849 done
6850 mkdir -p $DIRS
6851 for f in $LINKS ; do
6852 if [ -e "$source_path/$f" ]; then
6853 symlink "$source_path/$f" "$f"
6854 fi
6855 done
6856 for f in $UNLINK ; do
6857 if [ -L "$f" ]; then
6858 rm -f "$f"
6859 fi
6860 done
6861
6862 (for i in $cross_cc_vars; do
6863 export $i
6864 done
6865 export target_list source_path use_containers
6866 $source_path/tests/tcg/configure.sh)
6867
6868 # temporary config to build submodules
6869 for rom in seabios; do
6870 config_mak=roms/$rom/config.mak
6871 echo "# Automatically generated by configure - do not modify" > $config_mak
6872 echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
6873 echo "AS=$as" >> $config_mak
6874 echo "CCAS=$ccas" >> $config_mak
6875 echo "CC=$cc" >> $config_mak
6876 echo "BCC=bcc" >> $config_mak
6877 echo "CPP=$cpp" >> $config_mak
6878 echo "OBJCOPY=objcopy" >> $config_mak
6879 echo "IASL=$iasl" >> $config_mak
6880 echo "LD=$ld" >> $config_mak
6881 echo "RANLIB=$ranlib" >> $config_mak
6882 done
6883
6884 # set up qemu-iotests in this build directory
6885 iotests_common_env="tests/qemu-iotests/common.env"
6886
6887 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
6888 echo >> "$iotests_common_env"
6889 echo "export PYTHON='$python'" >> "$iotests_common_env"
6890
6891 if test "$skip_meson" = no; then
6892 cross="config-meson.cross.new"
6893 meson_quote() {
6894 echo "'$(echo $* | sed "s/ /','/g")'"
6895 }
6896
6897 echo "# Automatically generated by configure - do not modify" > $cross
6898 echo "[properties]" >> $cross
6899 test -z "$cxx" && echo "link_language = 'c'" >> $cross
6900 echo "[built-in options]" >> $cross
6901 echo "c_args = [${CFLAGS:+$(meson_quote $CFLAGS)}]" >> $cross
6902 echo "cpp_args = [${CXXFLAGS:+$(meson_quote $CXXFLAGS)}]" >> $cross
6903 echo "c_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross
6904 echo "cpp_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross
6905 echo "[binaries]" >> $cross
6906 echo "c = [$(meson_quote $cc)]" >> $cross
6907 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx)]" >> $cross
6908 echo "ar = [$(meson_quote $ar)]" >> $cross
6909 echo "nm = [$(meson_quote $nm)]" >> $cross
6910 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross
6911 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
6912 if has $sdl2_config; then
6913 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
6914 fi
6915 echo "strip = [$(meson_quote $strip)]" >> $cross
6916 echo "windres = [$(meson_quote $windres)]" >> $cross
6917 if test -n "$cross_prefix"; then
6918 cross_arg="--cross-file config-meson.cross"
6919 echo "[host_machine]" >> $cross
6920 if test "$mingw32" = "yes" ; then
6921 echo "system = 'windows'" >> $cross
6922 fi
6923 if test "$linux" = "yes" ; then
6924 echo "system = 'linux'" >> $cross
6925 fi
6926 case "$ARCH" in
6927 i386|x86_64)
6928 echo "cpu_family = 'x86'" >> $cross
6929 ;;
6930 ppc64le)
6931 echo "cpu_family = 'ppc64'" >> $cross
6932 ;;
6933 *)
6934 echo "cpu_family = '$ARCH'" >> $cross
6935 ;;
6936 esac
6937 echo "cpu = '$cpu'" >> $cross
6938 if test "$bigendian" = "yes" ; then
6939 echo "endian = 'big'" >> $cross
6940 else
6941 echo "endian = 'little'" >> $cross
6942 fi
6943 else
6944 cross_arg="--native-file config-meson.cross"
6945 fi
6946 mv $cross config-meson.cross
6947
6948 rm -rf meson-private meson-info meson-logs
6949 unset staticpic
6950 if ! version_ge "$($meson --version)" 0.56.0; then
6951 staticpic=$(if test "$pie" = yes; then echo true; else echo false; fi)
6952 fi
6953 NINJA=$ninja $meson setup \
6954 --prefix "$prefix" \
6955 --libdir "$libdir" \
6956 --libexecdir "$libexecdir" \
6957 --bindir "$bindir" \
6958 --includedir "$includedir" \
6959 --datadir "$datadir" \
6960 --mandir "$mandir" \
6961 --sysconfdir "$sysconfdir" \
6962 --localedir "$localedir" \
6963 --localstatedir "$local_statedir" \
6964 -Ddocdir="$docdir" \
6965 -Dqemu_firmwarepath="$firmwarepath" \
6966 -Dqemu_suffix="$qemu_suffix" \
6967 -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
6968 -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
6969 -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
6970 -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
6971 -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
6972 ${staticpic:+-Db_staticpic=$staticpic} \
6973 -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
6974 -Db_lto=$lto \
6975 -Dmalloc=$malloc -Dmalloc_trim=$malloc_trim -Dsparse=$sparse \
6976 -Dkvm=$kvm -Dhax=$hax -Dwhpx=$whpx -Dhvf=$hvf \
6977 -Dxen=$xen -Dxen_pci_passthrough=$xen_pci_passthrough -Dtcg=$tcg \
6978 -Dcocoa=$cocoa -Dmpath=$mpath -Dsdl=$sdl -Dsdl_image=$sdl_image \
6979 -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \
6980 -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f -Dvirtiofsd=$virtiofsd \
6981 -Dcapstone=$capstone -Dslirp=$slirp -Dfdt=$fdt \
6982 -Diconv=$iconv -Dcurses=$curses -Dlibudev=$libudev\
6983 -Ddocs=$docs -Dsphinx_build=$sphinx_build -Dinstall_blobs=$blobs \
6984 -Dvhost_user_blk_server=$vhost_user_blk_server \
6985 -Dfuse=$fuse -Dfuse_lseek=$fuse_lseek \
6986 $(if test "$default_features" = no; then echo "-Dauto_features=disabled"; fi) \
6987 $cross_arg \
6988 "$PWD" "$source_path"
6989
6990 if test "$?" -ne 0 ; then
6991 error_exit "meson setup failed"
6992 fi
6993 fi
6994
6995 if test -n "${deprecated_features}"; then
6996 echo "Warning, deprecated features enabled."
6997 echo "Please see docs/system/deprecated.rst"
6998 echo " features: ${deprecated_features}"
6999 fi
7000
7001 # Save the configure command line for later reuse.
7002 cat <<EOD >config.status
7003 #!/bin/sh
7004 # Generated by configure.
7005 # Run this file to recreate the current configuration.
7006 # Compiler output produced by configure, useful for debugging
7007 # configure, is in config.log if it exists.
7008 EOD
7009
7010 preserve_env() {
7011 envname=$1
7012
7013 eval envval=\$$envname
7014
7015 if test -n "$envval"
7016 then
7017 echo "$envname='$envval'" >> config.status
7018 echo "export $envname" >> config.status
7019 else
7020 echo "unset $envname" >> config.status
7021 fi
7022 }
7023
7024 # Preserve various env variables that influence what
7025 # features/build target configure will detect
7026 preserve_env AR
7027 preserve_env AS
7028 preserve_env CC
7029 preserve_env CPP
7030 preserve_env CXX
7031 preserve_env INSTALL
7032 preserve_env LD
7033 preserve_env LD_LIBRARY_PATH
7034 preserve_env LIBTOOL
7035 preserve_env MAKE
7036 preserve_env NM
7037 preserve_env OBJCOPY
7038 preserve_env PATH
7039 preserve_env PKG_CONFIG
7040 preserve_env PKG_CONFIG_LIBDIR
7041 preserve_env PKG_CONFIG_PATH
7042 preserve_env PYTHON
7043 preserve_env SDL2_CONFIG
7044 preserve_env SMBD
7045 preserve_env STRIP
7046 preserve_env WINDRES
7047
7048 printf "exec" >>config.status
7049 for i in "$0" "$@"; do
7050 test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
7051 done
7052 echo ' "$@"' >>config.status
7053 chmod +x config.status
7054
7055 rm -r "$TMPDIR1"
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