]> Git Repo - qemu.git/blob - configure
Merge remote-tracking branch 'remotes/xtensa/tags/20190204-xtensa' into staging
[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 # Temporary directory used for files created while
15 # configure runs. Since it is in the build directory
16 # we can safely blow away any previous version of it
17 # (and we need not jump through hoops to try to delete
18 # it when configure exits.)
19 TMPDIR1="config-temp"
20 rm -rf "${TMPDIR1}"
21 mkdir -p "${TMPDIR1}"
22 if [ $? -ne 0 ]; then
23     echo "ERROR: failed to create temporary directory"
24     exit 1
25 fi
26
27 TMPB="qemu-conf"
28 TMPC="${TMPDIR1}/${TMPB}.c"
29 TMPO="${TMPDIR1}/${TMPB}.o"
30 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
31 TMPE="${TMPDIR1}/${TMPB}.exe"
32 TMPMO="${TMPDIR1}/${TMPB}.mo"
33
34 rm -f config.log
35
36 # Print a helpful header at the top of config.log
37 echo "# QEMU configure log $(date)" >> config.log
38 printf "# Configured with:" >> config.log
39 printf " '%s'" "$0" "$@" >> config.log
40 echo >> config.log
41 echo "#" >> config.log
42
43 print_error() {
44     (echo
45     echo "ERROR: $1"
46     while test -n "$2"; do
47         echo "       $2"
48         shift
49     done
50     echo) >&2
51 }
52
53 error_exit() {
54     print_error "$@"
55     exit 1
56 }
57
58 do_compiler() {
59     # Run the compiler, capturing its output to the log. First argument
60     # is compiler binary to execute.
61     local compiler="$1"
62     shift
63     if test -n "$BASH_VERSION"; then eval '
64         echo >>config.log "
65 funcs: ${FUNCNAME[*]}
66 lines: ${BASH_LINENO[*]}"
67     '; fi
68     echo $compiler "$@" >> config.log
69     $compiler "$@" >> config.log 2>&1 || return $?
70     # Test passed. If this is an --enable-werror build, rerun
71     # the test with -Werror and bail out if it fails. This
72     # makes warning-generating-errors in configure test code
73     # obvious to developers.
74     if test "$werror" != "yes"; then
75         return 0
76     fi
77     # Don't bother rerunning the compile if we were already using -Werror
78     case "$*" in
79         *-Werror*)
80            return 0
81         ;;
82     esac
83     echo $compiler -Werror "$@" >> config.log
84     $compiler -Werror "$@" >> config.log 2>&1 && return $?
85     error_exit "configure test passed without -Werror but failed with -Werror." \
86         "This is probably a bug in the configure script. The failing command" \
87         "will be at the bottom of config.log." \
88         "You can run configure with --disable-werror to bypass this check."
89 }
90
91 do_cc() {
92     do_compiler "$cc" "$@"
93 }
94
95 do_cxx() {
96     do_compiler "$cxx" "$@"
97 }
98
99 update_cxxflags() {
100     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
101     # options which some versions of GCC's C++ compiler complain about
102     # because they only make sense for C programs.
103     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS"
104
105     for arg in $QEMU_CFLAGS; do
106         case $arg in
107             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
108             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
109                 ;;
110             -std=gnu99)
111                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }"-std=gnu++98"
112                 ;;
113             *)
114                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
115                 ;;
116         esac
117     done
118 }
119
120 compile_object() {
121   local_cflags="$1"
122   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
123 }
124
125 compile_prog() {
126   local_cflags="$1"
127   local_ldflags="$2"
128   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
129 }
130
131 # symbolically link $1 to $2.  Portable version of "ln -sf".
132 symlink() {
133   rm -rf "$2"
134   mkdir -p "$(dirname "$2")"
135   ln -s "$1" "$2"
136 }
137
138 # check whether a command is available to this shell (may be either an
139 # executable or a builtin)
140 has() {
141     type "$1" >/dev/null 2>&1
142 }
143
144 # search for an executable in PATH
145 path_of() {
146     local_command="$1"
147     local_ifs="$IFS"
148     local_dir=""
149
150     # pathname has a dir component?
151     if [ "${local_command#*/}" != "$local_command" ]; then
152         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
153             echo "$local_command"
154             return 0
155         fi
156     fi
157     if [ -z "$local_command" ]; then
158         return 1
159     fi
160
161     IFS=:
162     for local_dir in $PATH; do
163         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
164             echo "$local_dir/$local_command"
165             IFS="${local_ifs:-$(printf ' \t\n')}"
166             return 0
167         fi
168     done
169     # not found
170     IFS="${local_ifs:-$(printf ' \t\n')}"
171     return 1
172 }
173
174 have_backend () {
175     echo "$trace_backends" | grep "$1" >/dev/null
176 }
177
178 glob() {
179     eval test -z '"${1#'"$2"'}"'
180 }
181
182 supported_hax_target() {
183     test "$hax" = "yes" || return 1
184     glob "$1" "*-softmmu" || return 1
185     case "${1%-softmmu}" in
186         i386|x86_64)
187             return 0
188         ;;
189     esac
190     return 1
191 }
192
193 supported_kvm_target() {
194     test "$kvm" = "yes" || return 1
195     glob "$1" "*-softmmu" || return 1
196     case "${1%-softmmu}:$cpu" in
197         arm:arm | aarch64:aarch64 | \
198         i386:i386 | i386:x86_64 | i386:x32 | \
199         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
200         mips:mips | mipsel:mips | \
201         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | \
202         s390x:s390x)
203             return 0
204         ;;
205     esac
206     return 1
207 }
208
209 supported_xen_target() {
210     test "$xen" = "yes" || return 1
211     glob "$1" "*-softmmu" || return 1
212     # Only i386 and x86_64 provide the xenpv machine.
213     case "${1%-softmmu}" in
214         i386|x86_64)
215             return 0
216         ;;
217     esac
218     return 1
219 }
220
221 supported_hvf_target() {
222     test "$hvf" = "yes" || return 1
223     glob "$1" "*-softmmu" || return 1
224     case "${1%-softmmu}" in
225         x86_64)
226             return 0
227         ;;
228     esac
229     return 1
230 }
231
232 supported_whpx_target() {
233     test "$whpx" = "yes" || return 1
234     glob "$1" "*-softmmu" || return 1
235     case "${1%-softmmu}" in
236         i386|x86_64)
237             return 0
238         ;;
239     esac
240     return 1
241 }
242
243 supported_target() {
244     case "$1" in
245         *-softmmu)
246             ;;
247         *-linux-user)
248             if test "$linux" != "yes"; then
249                 print_error "Target '$target' is only available on a Linux host"
250                 return 1
251             fi
252             ;;
253         *-bsd-user)
254             if test "$bsd" != "yes"; then
255                 print_error "Target '$target' is only available on a BSD host"
256                 return 1
257             fi
258             ;;
259         *)
260             print_error "Invalid target name '$target'"
261             return 1
262             ;;
263     esac
264     test "$tcg" = "yes" && return 0
265     supported_kvm_target "$1" && return 0
266     supported_xen_target "$1" && return 0
267     supported_hax_target "$1" && return 0
268     supported_hvf_target "$1" && return 0
269     supported_whpx_target "$1" && return 0
270     print_error "TCG disabled, but hardware accelerator not available for '$target'"
271     return 1
272 }
273
274
275 ld_has() {
276     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
277 }
278
279 # default parameters
280 source_path=$(dirname "$0")
281 cpu=""
282 iasl="iasl"
283 interp_prefix="/usr/gnemul/qemu-%M"
284 static="no"
285 cross_prefix=""
286 audio_drv_list=""
287 block_drv_rw_whitelist=""
288 block_drv_ro_whitelist=""
289 host_cc="cc"
290 libs_softmmu=""
291 libs_tools=""
292 audio_pt_int=""
293 audio_win_int=""
294 libs_qga=""
295 debug_info="yes"
296 stack_protector=""
297
298 if test -e "$source_path/.git"
299 then
300     git_update=yes
301     git_submodules="ui/keycodemapdb"
302     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
303     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
304 else
305     git_update=no
306     git_submodules=""
307
308     if ! test -f "$source_path/ui/keycodemapdb/README"
309     then
310         echo
311         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
312         echo
313         echo "This is not a GIT checkout but module content appears to"
314         echo "be missing. Do not use 'git archive' or GitHub download links"
315         echo "to acquire QEMU source archives. Non-GIT builds are only"
316         echo "supported with source archives linked from:"
317         echo
318         echo "  https://www.qemu.org/download/"
319         echo
320         echo "Developers working with GIT can use scripts/archive-source.sh"
321         echo "if they need to create valid source archives."
322         echo
323         exit 1
324     fi
325 fi
326 git="git"
327
328 # Don't accept a target_list environment variable.
329 unset target_list
330
331 # Default value for a variable defining feature "foo".
332 #  * foo="no"  feature will only be used if --enable-foo arg is given
333 #  * foo=""    feature will be searched for, and if found, will be used
334 #              unless --disable-foo is given
335 #  * foo="yes" this value will only be set by --enable-foo flag.
336 #              feature will searched for,
337 #              if not found, configure exits with error
338 #
339 # Always add --enable-foo and --disable-foo command line args.
340 # Distributions want to ensure that several features are compiled in, and it
341 # is impossible without a --enable-foo that exits if a feature is not found.
342
343 bluez=""
344 brlapi=""
345 curl=""
346 curses=""
347 docs=""
348 fdt=""
349 netmap="no"
350 sdl=""
351 sdl_image=""
352 virtfs=""
353 mpath=""
354 vnc="yes"
355 sparse="no"
356 vde=""
357 vnc_sasl=""
358 vnc_jpeg=""
359 vnc_png=""
360 xkbcommon=""
361 xen=""
362 xen_ctrl_version=""
363 xen_pci_passthrough=""
364 linux_aio=""
365 cap_ng=""
366 attr=""
367 libattr=""
368 xfs=""
369 tcg="yes"
370 membarrier=""
371 vhost_net="no"
372 vhost_crypto="no"
373 vhost_scsi="no"
374 vhost_vsock="no"
375 vhost_user=""
376 kvm="no"
377 hax="no"
378 hvf="no"
379 whpx="no"
380 rdma=""
381 pvrdma=""
382 gprof="no"
383 debug_tcg="no"
384 debug="no"
385 sanitizers="no"
386 fortify_source=""
387 strip_opt="yes"
388 tcg_interpreter="no"
389 bigendian="no"
390 mingw32="no"
391 gcov="no"
392 gcov_tool="gcov"
393 EXESUF=""
394 DSOSUF=".so"
395 LDFLAGS_SHARED="-shared"
396 modules="no"
397 prefix="/usr/local"
398 mandir="\${prefix}/share/man"
399 datadir="\${prefix}/share"
400 firmwarepath="\${prefix}/share/qemu-firmware"
401 qemu_docdir="\${prefix}/share/doc/qemu"
402 bindir="\${prefix}/bin"
403 libdir="\${prefix}/lib"
404 libexecdir="\${prefix}/libexec"
405 includedir="\${prefix}/include"
406 sysconfdir="\${prefix}/etc"
407 local_statedir="\${prefix}/var"
408 confsuffix="/qemu"
409 slirp="yes"
410 oss_lib=""
411 bsd="no"
412 linux="no"
413 solaris="no"
414 profiler="no"
415 cocoa="no"
416 softmmu="yes"
417 linux_user="no"
418 bsd_user="no"
419 blobs="yes"
420 pkgversion=""
421 pie=""
422 qom_cast_debug="yes"
423 trace_backends="log"
424 trace_file="trace"
425 spice=""
426 rbd=""
427 smartcard=""
428 libusb=""
429 usb_redir=""
430 opengl=""
431 opengl_dmabuf="no"
432 cpuid_h="no"
433 avx2_opt=""
434 zlib="yes"
435 capstone=""
436 lzo=""
437 snappy=""
438 bzip2=""
439 lzfse=""
440 guest_agent=""
441 guest_agent_with_vss="no"
442 guest_agent_ntddscsi="no"
443 guest_agent_msi=""
444 vss_win32_sdk=""
445 win_sdk="no"
446 want_tools="yes"
447 libiscsi=""
448 libnfs=""
449 coroutine=""
450 coroutine_pool=""
451 debug_stack_usage="no"
452 crypto_afalg="no"
453 seccomp=""
454 glusterfs=""
455 glusterfs_xlator_opt="no"
456 glusterfs_discard="no"
457 glusterfs_fallocate="no"
458 glusterfs_zerofill="no"
459 gtk=""
460 gtk_gl="no"
461 tls_priority="NORMAL"
462 gnutls=""
463 nettle=""
464 gcrypt=""
465 gcrypt_hmac="no"
466 vte=""
467 virglrenderer=""
468 tpm="yes"
469 libssh2=""
470 live_block_migration="yes"
471 numa=""
472 tcmalloc="no"
473 jemalloc="no"
474 replication="yes"
475 vxhs=""
476 bochs="yes"
477 cloop="yes"
478 dmg="yes"
479 qcow1="yes"
480 vdi="yes"
481 vvfat="yes"
482 qed="yes"
483 parallels="yes"
484 sheepdog="yes"
485 libxml2=""
486 docker="no"
487 debug_mutex="no"
488 libpmem=""
489 libudev="no"
490
491 # cross compilers defaults, can be overridden with --cross-cc-ARCH
492 cross_cc_aarch64="aarch64-linux-gnu-gcc"
493 cross_cc_aarch64_be="$cross_cc_aarch64"
494 cross_cc_cflags_aarch64_be="-mbig-endian"
495 cross_cc_arm="arm-linux-gnueabihf-gcc"
496 cross_cc_cflags_armeb="-mbig-endian"
497 cross_cc_i386="i386-pc-linux-gnu-gcc"
498 cross_cc_cflags_i386=""
499 cross_cc_powerpc="powerpc-linux-gnu-gcc"
500 cross_cc_powerpc="powerpc-linux-gnu-gcc"
501
502 enabled_cross_compilers=""
503
504 supported_cpu="no"
505 supported_os="no"
506 bogus_os="no"
507 malloc_trim=""
508
509 # parse CC options first
510 for opt do
511   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
512   case "$opt" in
513   --cross-prefix=*) cross_prefix="$optarg"
514   ;;
515   --cc=*) CC="$optarg"
516   ;;
517   --cxx=*) CXX="$optarg"
518   ;;
519   --source-path=*) source_path="$optarg"
520   ;;
521   --cpu=*) cpu="$optarg"
522   ;;
523   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
524   ;;
525   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
526   ;;
527   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
528                      EXTRA_LDFLAGS="$optarg"
529   ;;
530   --enable-debug-info) debug_info="yes"
531   ;;
532   --disable-debug-info) debug_info="no"
533   ;;
534   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
535   ;;
536   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
537                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
538   ;;
539   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
540                 eval "cross_cc_${cc_arch}=\$optarg"
541   ;;
542   esac
543 done
544 # OS specific
545 # Using uname is really, really broken.  Once we have the right set of checks
546 # we can eliminate its usage altogether.
547
548 # Preferred compiler:
549 #  ${CC} (if set)
550 #  ${cross_prefix}gcc (if cross-prefix specified)
551 #  system compiler
552 if test -z "${CC}${cross_prefix}"; then
553   cc="$host_cc"
554 else
555   cc="${CC-${cross_prefix}gcc}"
556 fi
557
558 if test -z "${CXX}${cross_prefix}"; then
559   cxx="c++"
560 else
561   cxx="${CXX-${cross_prefix}g++}"
562 fi
563
564 ar="${AR-${cross_prefix}ar}"
565 as="${AS-${cross_prefix}as}"
566 ccas="${CCAS-$cc}"
567 cpp="${CPP-$cc -E}"
568 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
569 ld="${LD-${cross_prefix}ld}"
570 ranlib="${RANLIB-${cross_prefix}ranlib}"
571 nm="${NM-${cross_prefix}nm}"
572 strip="${STRIP-${cross_prefix}strip}"
573 windres="${WINDRES-${cross_prefix}windres}"
574 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
575 query_pkg_config() {
576     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
577 }
578 pkg_config=query_pkg_config
579 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
580
581 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
582 ARFLAGS="${ARFLAGS-rv}"
583
584 # default flags for all hosts
585 # We use -fwrapv to tell the compiler that we require a C dialect where
586 # left shift of signed integers is well defined and has the expected
587 # 2s-complement style results. (Both clang and gcc agree that it
588 # provides these semantics.)
589 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
590 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
591 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
592 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
593 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
594 if test "$debug_info" = "yes"; then
595     CFLAGS="-g $CFLAGS"
596     LDFLAGS="-g $LDFLAGS"
597 fi
598
599 # make source path absolute
600 source_path=$(cd "$source_path"; pwd)
601
602 # running configure in the source tree?
603 # we know that's the case if configure is there.
604 if test -f "./configure"; then
605     pwd_is_source_path="y"
606 else
607     pwd_is_source_path="n"
608 fi
609
610 check_define() {
611 cat > $TMPC <<EOF
612 #if !defined($1)
613 #error $1 not defined
614 #endif
615 int main(void) { return 0; }
616 EOF
617   compile_object
618 }
619
620 check_include() {
621 cat > $TMPC <<EOF
622 #include <$1>
623 int main(void) { return 0; }
624 EOF
625   compile_object
626 }
627
628 write_c_skeleton() {
629     cat > $TMPC <<EOF
630 int main(void) { return 0; }
631 EOF
632 }
633
634 if check_define __linux__ ; then
635   targetos="Linux"
636 elif check_define _WIN32 ; then
637   targetos='MINGW32'
638 elif check_define __OpenBSD__ ; then
639   targetos='OpenBSD'
640 elif check_define __sun__ ; then
641   targetos='SunOS'
642 elif check_define __HAIKU__ ; then
643   targetos='Haiku'
644 elif check_define __FreeBSD__ ; then
645   targetos='FreeBSD'
646 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
647   targetos='GNU/kFreeBSD'
648 elif check_define __DragonFly__ ; then
649   targetos='DragonFly'
650 elif check_define __NetBSD__; then
651   targetos='NetBSD'
652 elif check_define __APPLE__; then
653   targetos='Darwin'
654 else
655   # This is a fatal error, but don't report it yet, because we
656   # might be going to just print the --help text, or it might
657   # be the result of a missing compiler.
658   targetos='bogus'
659   bogus_os='yes'
660 fi
661
662 # Some host OSes need non-standard checks for which CPU to use.
663 # Note that these checks are broken for cross-compilation: if you're
664 # cross-compiling to one of these OSes then you'll need to specify
665 # the correct CPU with the --cpu option.
666 case $targetos in
667 Darwin)
668   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
669   # run 64-bit userspace code.
670   # If the user didn't specify a CPU explicitly and the kernel says this is
671   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
672   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
673     cpu="x86_64"
674   fi
675   ;;
676 SunOS)
677   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
678   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
679     cpu="x86_64"
680   fi
681 esac
682
683 if test ! -z "$cpu" ; then
684   # command line argument
685   :
686 elif check_define __i386__ ; then
687   cpu="i386"
688 elif check_define __x86_64__ ; then
689   if check_define __ILP32__ ; then
690     cpu="x32"
691   else
692     cpu="x86_64"
693   fi
694 elif check_define __sparc__ ; then
695   if check_define __arch64__ ; then
696     cpu="sparc64"
697   else
698     cpu="sparc"
699   fi
700 elif check_define _ARCH_PPC ; then
701   if check_define _ARCH_PPC64 ; then
702     cpu="ppc64"
703   else
704     cpu="ppc"
705   fi
706 elif check_define __mips__ ; then
707   cpu="mips"
708 elif check_define __s390__ ; then
709   if check_define __s390x__ ; then
710     cpu="s390x"
711   else
712     cpu="s390"
713   fi
714 elif check_define __riscv ; then
715   if check_define _LP64 ; then
716     cpu="riscv64"
717   else
718     cpu="riscv32"
719   fi
720 elif check_define __arm__ ; then
721   cpu="arm"
722 elif check_define __aarch64__ ; then
723   cpu="aarch64"
724 else
725   cpu=$(uname -m)
726 fi
727
728 ARCH=
729 # Normalise host CPU name and set ARCH.
730 # Note that this case should only have supported host CPUs, not guests.
731 case "$cpu" in
732   ppc|ppc64|s390|s390x|sparc64|x32|riscv32|riscv64)
733     cpu="$cpu"
734     supported_cpu="yes"
735     eval "cross_cc_${cpu}=\$host_cc"
736   ;;
737   i386|i486|i586|i686|i86pc|BePC)
738     cpu="i386"
739     supported_cpu="yes"
740     cross_cc_i386=$host_cc
741   ;;
742   x86_64|amd64)
743     cpu="x86_64"
744     supported_cpu="yes"
745     cross_cc_x86_64=$host_cc
746   ;;
747   armv*b|armv*l|arm)
748     cpu="arm"
749     supported_cpu="yes"
750     cross_cc_arm=$host_cc
751   ;;
752   aarch64)
753     cpu="aarch64"
754     supported_cpu="yes"
755     cross_cc_aarch64=$host_cc
756   ;;
757   mips*)
758     cpu="mips"
759     supported_cpu="yes"
760     cross_cc_mips=$host_cc
761   ;;
762   sparc|sun4[cdmuv])
763     cpu="sparc"
764     supported_cpu="yes"
765     cross_cc_sparc=$host_cc
766   ;;
767   *)
768     # This will result in either an error or falling back to TCI later
769     ARCH=unknown
770   ;;
771 esac
772 if test -z "$ARCH"; then
773   ARCH="$cpu"
774 fi
775
776 # OS specific
777
778 # host *BSD for user mode
779 HOST_VARIANT_DIR=""
780
781 case $targetos in
782 MINGW32*)
783   mingw32="yes"
784   hax="yes"
785   audio_possible_drivers="dsound sdl"
786   if check_include dsound.h; then
787     audio_drv_list="dsound"
788   else
789     audio_drv_list=""
790   fi
791   supported_os="yes"
792 ;;
793 GNU/kFreeBSD)
794   bsd="yes"
795   audio_drv_list="oss try-sdl"
796   audio_possible_drivers="oss sdl pa"
797 ;;
798 FreeBSD)
799   bsd="yes"
800   make="${MAKE-gmake}"
801   audio_drv_list="oss try-sdl"
802   audio_possible_drivers="oss sdl pa"
803   # needed for kinfo_getvmmap(3) in libutil.h
804   LIBS="-lutil $LIBS"
805   # needed for kinfo_getproc
806   libs_qga="-lutil $libs_qga"
807   netmap=""  # enable netmap autodetect
808   HOST_VARIANT_DIR="freebsd"
809   supported_os="yes"
810 ;;
811 DragonFly)
812   bsd="yes"
813   make="${MAKE-gmake}"
814   audio_drv_list="oss try-sdl"
815   audio_possible_drivers="oss sdl pa"
816   HOST_VARIANT_DIR="dragonfly"
817 ;;
818 NetBSD)
819   bsd="yes"
820   make="${MAKE-gmake}"
821   audio_drv_list="oss try-sdl"
822   audio_possible_drivers="oss sdl"
823   oss_lib="-lossaudio"
824   HOST_VARIANT_DIR="netbsd"
825   supported_os="yes"
826 ;;
827 OpenBSD)
828   bsd="yes"
829   make="${MAKE-gmake}"
830   audio_drv_list="try-sdl"
831   audio_possible_drivers="sdl"
832   HOST_VARIANT_DIR="openbsd"
833   supported_os="yes"
834 ;;
835 Darwin)
836   bsd="yes"
837   darwin="yes"
838   hax="yes"
839   hvf="yes"
840   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
841   if [ "$cpu" = "x86_64" ] ; then
842     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
843     LDFLAGS="-arch x86_64 $LDFLAGS"
844   fi
845   cocoa="yes"
846   audio_drv_list="coreaudio try-sdl"
847   audio_possible_drivers="coreaudio sdl"
848   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
849   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
850   # Disable attempts to use ObjectiveC features in os/object.h since they
851   # won't work when we're compiling with gcc as a C compiler.
852   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
853   HOST_VARIANT_DIR="darwin"
854   supported_os="yes"
855 ;;
856 SunOS)
857   solaris="yes"
858   make="${MAKE-gmake}"
859   install="${INSTALL-ginstall}"
860   smbd="${SMBD-/usr/sfw/sbin/smbd}"
861   if test -f /usr/include/sys/soundcard.h ; then
862     audio_drv_list="oss try-sdl"
863   fi
864   audio_possible_drivers="oss sdl"
865 # needed for CMSG_ macros in sys/socket.h
866   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
867 # needed for TIOCWIN* defines in termios.h
868   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
869   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
870   solarisnetlibs="-lsocket -lnsl -lresolv"
871   LIBS="$solarisnetlibs $LIBS"
872   libs_qga="$solarisnetlibs $libs_qga"
873 ;;
874 Haiku)
875   haiku="yes"
876   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
877   LIBS="-lposix_error_mapper -lnetwork $LIBS"
878 ;;
879 Linux)
880   audio_drv_list="try-pa try-alsa try-sdl oss"
881   audio_possible_drivers="oss alsa sdl pa"
882   linux="yes"
883   linux_user="yes"
884   kvm="yes"
885   vhost_net="yes"
886   vhost_crypto="yes"
887   vhost_scsi="yes"
888   vhost_vsock="yes"
889   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
890   supported_os="yes"
891   libudev="yes"
892 ;;
893 esac
894
895 if [ "$bsd" = "yes" ] ; then
896   if [ "$darwin" != "yes" ] ; then
897     bsd_user="yes"
898   fi
899 fi
900
901 : ${make=${MAKE-make}}
902 : ${install=${INSTALL-install}}
903 : ${python=${PYTHON-python}}
904 : ${smbd=${SMBD-/usr/sbin/smbd}}
905
906 # Default objcc to clang if available, otherwise use CC
907 if has clang; then
908   objcc=clang
909 else
910   objcc="$cc"
911 fi
912
913 if test "$mingw32" = "yes" ; then
914   EXESUF=".exe"
915   DSOSUF=".dll"
916   # MinGW needs -mthreads for TLS and macro _MT.
917   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
918   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
919   write_c_skeleton;
920   if compile_prog "" "-liberty" ; then
921     LIBS="-liberty $LIBS"
922   fi
923   prefix="c:/Program Files/QEMU"
924   mandir="\${prefix}"
925   datadir="\${prefix}"
926   qemu_docdir="\${prefix}"
927   bindir="\${prefix}"
928   sysconfdir="\${prefix}"
929   local_statedir=
930   confsuffix=""
931   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
932 fi
933
934 werror=""
935
936 for opt do
937   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
938   case "$opt" in
939   --help|-h) show_help=yes
940   ;;
941   --version|-V) exec cat $source_path/VERSION
942   ;;
943   --prefix=*) prefix="$optarg"
944   ;;
945   --interp-prefix=*) interp_prefix="$optarg"
946   ;;
947   --source-path=*)
948   ;;
949   --cross-prefix=*)
950   ;;
951   --cc=*)
952   ;;
953   --host-cc=*) host_cc="$optarg"
954   ;;
955   --cxx=*)
956   ;;
957   --iasl=*) iasl="$optarg"
958   ;;
959   --objcc=*) objcc="$optarg"
960   ;;
961   --make=*) make="$optarg"
962   ;;
963   --install=*) install="$optarg"
964   ;;
965   --python=*) python="$optarg"
966   ;;
967   --gcov=*) gcov_tool="$optarg"
968   ;;
969   --smbd=*) smbd="$optarg"
970   ;;
971   --extra-cflags=*)
972   ;;
973   --extra-cxxflags=*)
974   ;;
975   --extra-ldflags=*)
976   ;;
977   --enable-debug-info)
978   ;;
979   --disable-debug-info)
980   ;;
981   --cross-cc-*)
982   ;;
983   --enable-modules)
984       modules="yes"
985   ;;
986   --disable-modules)
987       modules="no"
988   ;;
989   --cpu=*)
990   ;;
991   --target-list=*) target_list="$optarg"
992   ;;
993   --enable-trace-backends=*) trace_backends="$optarg"
994   ;;
995   # XXX: backwards compatibility
996   --enable-trace-backend=*) trace_backends="$optarg"
997   ;;
998   --with-trace-file=*) trace_file="$optarg"
999   ;;
1000   --enable-gprof) gprof="yes"
1001   ;;
1002   --enable-gcov) gcov="yes"
1003   ;;
1004   --static)
1005     static="yes"
1006     LDFLAGS="-static $LDFLAGS"
1007     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1008   ;;
1009   --mandir=*) mandir="$optarg"
1010   ;;
1011   --bindir=*) bindir="$optarg"
1012   ;;
1013   --libdir=*) libdir="$optarg"
1014   ;;
1015   --libexecdir=*) libexecdir="$optarg"
1016   ;;
1017   --includedir=*) includedir="$optarg"
1018   ;;
1019   --datadir=*) datadir="$optarg"
1020   ;;
1021   --with-confsuffix=*) confsuffix="$optarg"
1022   ;;
1023   --docdir=*) qemu_docdir="$optarg"
1024   ;;
1025   --sysconfdir=*) sysconfdir="$optarg"
1026   ;;
1027   --localstatedir=*) local_statedir="$optarg"
1028   ;;
1029   --firmwarepath=*) firmwarepath="$optarg"
1030   ;;
1031   --host=*|--build=*|\
1032   --disable-dependency-tracking|\
1033   --sbindir=*|--sharedstatedir=*|\
1034   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1035   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1036     # These switches are silently ignored, for compatibility with
1037     # autoconf-generated configure scripts. This allows QEMU's
1038     # configure to be used by RPM and similar macros that set
1039     # lots of directory switches by default.
1040   ;;
1041   --disable-sdl) sdl="no"
1042   ;;
1043   --enable-sdl) sdl="yes"
1044   ;;
1045   --disable-sdl-image) sdl_image="no"
1046   ;;
1047   --enable-sdl-image) sdl_image="yes"
1048   ;;
1049   --disable-qom-cast-debug) qom_cast_debug="no"
1050   ;;
1051   --enable-qom-cast-debug) qom_cast_debug="yes"
1052   ;;
1053   --disable-virtfs) virtfs="no"
1054   ;;
1055   --enable-virtfs) virtfs="yes"
1056   ;;
1057   --disable-mpath) mpath="no"
1058   ;;
1059   --enable-mpath) mpath="yes"
1060   ;;
1061   --disable-vnc) vnc="no"
1062   ;;
1063   --enable-vnc) vnc="yes"
1064   ;;
1065   --oss-lib=*) oss_lib="$optarg"
1066   ;;
1067   --audio-drv-list=*) audio_drv_list="$optarg"
1068   ;;
1069   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1070   ;;
1071   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1072   ;;
1073   --enable-debug-tcg) debug_tcg="yes"
1074   ;;
1075   --disable-debug-tcg) debug_tcg="no"
1076   ;;
1077   --enable-debug)
1078       # Enable debugging options that aren't excessively noisy
1079       debug_tcg="yes"
1080       debug_mutex="yes"
1081       debug="yes"
1082       strip_opt="no"
1083       fortify_source="no"
1084   ;;
1085   --enable-sanitizers) sanitizers="yes"
1086   ;;
1087   --disable-sanitizers) sanitizers="no"
1088   ;;
1089   --enable-sparse) sparse="yes"
1090   ;;
1091   --disable-sparse) sparse="no"
1092   ;;
1093   --disable-strip) strip_opt="no"
1094   ;;
1095   --disable-vnc-sasl) vnc_sasl="no"
1096   ;;
1097   --enable-vnc-sasl) vnc_sasl="yes"
1098   ;;
1099   --disable-vnc-jpeg) vnc_jpeg="no"
1100   ;;
1101   --enable-vnc-jpeg) vnc_jpeg="yes"
1102   ;;
1103   --disable-vnc-png) vnc_png="no"
1104   ;;
1105   --enable-vnc-png) vnc_png="yes"
1106   ;;
1107   --disable-slirp) slirp="no"
1108   ;;
1109   --disable-vde) vde="no"
1110   ;;
1111   --enable-vde) vde="yes"
1112   ;;
1113   --disable-netmap) netmap="no"
1114   ;;
1115   --enable-netmap) netmap="yes"
1116   ;;
1117   --disable-xen) xen="no"
1118   ;;
1119   --enable-xen) xen="yes"
1120   ;;
1121   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1122   ;;
1123   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1124   ;;
1125   --disable-brlapi) brlapi="no"
1126   ;;
1127   --enable-brlapi) brlapi="yes"
1128   ;;
1129   --disable-bluez) bluez="no"
1130   ;;
1131   --enable-bluez) bluez="yes"
1132   ;;
1133   --disable-kvm) kvm="no"
1134   ;;
1135   --enable-kvm) kvm="yes"
1136   ;;
1137   --disable-hax) hax="no"
1138   ;;
1139   --enable-hax) hax="yes"
1140   ;;
1141   --disable-hvf) hvf="no"
1142   ;;
1143   --enable-hvf) hvf="yes"
1144   ;;
1145   --disable-whpx) whpx="no"
1146   ;;
1147   --enable-whpx) whpx="yes"
1148   ;;
1149   --disable-tcg-interpreter) tcg_interpreter="no"
1150   ;;
1151   --enable-tcg-interpreter) tcg_interpreter="yes"
1152   ;;
1153   --disable-cap-ng)  cap_ng="no"
1154   ;;
1155   --enable-cap-ng) cap_ng="yes"
1156   ;;
1157   --disable-tcg) tcg="no"
1158   ;;
1159   --enable-tcg) tcg="yes"
1160   ;;
1161   --disable-malloc-trim) malloc_trim="no"
1162   ;;
1163   --enable-malloc-trim) malloc_trim="yes"
1164   ;;
1165   --disable-spice) spice="no"
1166   ;;
1167   --enable-spice) spice="yes"
1168   ;;
1169   --disable-libiscsi) libiscsi="no"
1170   ;;
1171   --enable-libiscsi) libiscsi="yes"
1172   ;;
1173   --disable-libnfs) libnfs="no"
1174   ;;
1175   --enable-libnfs) libnfs="yes"
1176   ;;
1177   --enable-profiler) profiler="yes"
1178   ;;
1179   --disable-cocoa) cocoa="no"
1180   ;;
1181   --enable-cocoa)
1182       cocoa="yes" ;
1183       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1184   ;;
1185   --disable-system) softmmu="no"
1186   ;;
1187   --enable-system) softmmu="yes"
1188   ;;
1189   --disable-user)
1190       linux_user="no" ;
1191       bsd_user="no" ;
1192   ;;
1193   --enable-user) ;;
1194   --disable-linux-user) linux_user="no"
1195   ;;
1196   --enable-linux-user) linux_user="yes"
1197   ;;
1198   --disable-bsd-user) bsd_user="no"
1199   ;;
1200   --enable-bsd-user) bsd_user="yes"
1201   ;;
1202   --enable-pie) pie="yes"
1203   ;;
1204   --disable-pie) pie="no"
1205   ;;
1206   --enable-werror) werror="yes"
1207   ;;
1208   --disable-werror) werror="no"
1209   ;;
1210   --enable-stack-protector) stack_protector="yes"
1211   ;;
1212   --disable-stack-protector) stack_protector="no"
1213   ;;
1214   --disable-curses) curses="no"
1215   ;;
1216   --enable-curses) curses="yes"
1217   ;;
1218   --disable-curl) curl="no"
1219   ;;
1220   --enable-curl) curl="yes"
1221   ;;
1222   --disable-fdt) fdt="no"
1223   ;;
1224   --enable-fdt) fdt="yes"
1225   ;;
1226   --disable-linux-aio) linux_aio="no"
1227   ;;
1228   --enable-linux-aio) linux_aio="yes"
1229   ;;
1230   --disable-attr) attr="no"
1231   ;;
1232   --enable-attr) attr="yes"
1233   ;;
1234   --disable-membarrier) membarrier="no"
1235   ;;
1236   --enable-membarrier) membarrier="yes"
1237   ;;
1238   --disable-blobs) blobs="no"
1239   ;;
1240   --with-pkgversion=*) pkgversion="$optarg"
1241   ;;
1242   --with-coroutine=*) coroutine="$optarg"
1243   ;;
1244   --disable-coroutine-pool) coroutine_pool="no"
1245   ;;
1246   --enable-coroutine-pool) coroutine_pool="yes"
1247   ;;
1248   --enable-debug-stack-usage) debug_stack_usage="yes"
1249   ;;
1250   --enable-crypto-afalg) crypto_afalg="yes"
1251   ;;
1252   --disable-crypto-afalg) crypto_afalg="no"
1253   ;;
1254   --disable-docs) docs="no"
1255   ;;
1256   --enable-docs) docs="yes"
1257   ;;
1258   --disable-vhost-net) vhost_net="no"
1259   ;;
1260   --enable-vhost-net) vhost_net="yes"
1261   ;;
1262   --disable-vhost-crypto) vhost_crypto="no"
1263   ;;
1264   --enable-vhost-crypto)
1265       vhost_crypto="yes"
1266       if test "$mingw32" = "yes"; then
1267           error_exit "vhost-crypto isn't available on win32"
1268       fi
1269   ;;
1270   --disable-vhost-scsi) vhost_scsi="no"
1271   ;;
1272   --enable-vhost-scsi) vhost_scsi="yes"
1273   ;;
1274   --disable-vhost-vsock) vhost_vsock="no"
1275   ;;
1276   --enable-vhost-vsock) vhost_vsock="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-libusb) libusb="no"
1295   ;;
1296   --enable-libusb) libusb="yes"
1297   ;;
1298   --disable-usb-redir) usb_redir="no"
1299   ;;
1300   --enable-usb-redir) usb_redir="yes"
1301   ;;
1302   --disable-zlib-test) zlib="no"
1303   ;;
1304   --disable-lzo) lzo="no"
1305   ;;
1306   --enable-lzo) lzo="yes"
1307   ;;
1308   --disable-snappy) snappy="no"
1309   ;;
1310   --enable-snappy) snappy="yes"
1311   ;;
1312   --disable-bzip2) bzip2="no"
1313   ;;
1314   --enable-bzip2) bzip2="yes"
1315   ;;
1316   --enable-lzfse) lzfse="yes"
1317   ;;
1318   --disable-lzfse) lzfse="no"
1319   ;;
1320   --enable-guest-agent) guest_agent="yes"
1321   ;;
1322   --disable-guest-agent) guest_agent="no"
1323   ;;
1324   --enable-guest-agent-msi) guest_agent_msi="yes"
1325   ;;
1326   --disable-guest-agent-msi) guest_agent_msi="no"
1327   ;;
1328   --with-vss-sdk) vss_win32_sdk=""
1329   ;;
1330   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1331   ;;
1332   --without-vss-sdk) vss_win32_sdk="no"
1333   ;;
1334   --with-win-sdk) win_sdk=""
1335   ;;
1336   --with-win-sdk=*) win_sdk="$optarg"
1337   ;;
1338   --without-win-sdk) win_sdk="no"
1339   ;;
1340   --enable-tools) want_tools="yes"
1341   ;;
1342   --disable-tools) want_tools="no"
1343   ;;
1344   --enable-seccomp) seccomp="yes"
1345   ;;
1346   --disable-seccomp) seccomp="no"
1347   ;;
1348   --disable-glusterfs) glusterfs="no"
1349   ;;
1350   --disable-avx2) avx2_opt="no"
1351   ;;
1352   --enable-avx2) avx2_opt="yes"
1353   ;;
1354   --enable-glusterfs) glusterfs="yes"
1355   ;;
1356   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1357       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1358   ;;
1359   --enable-vhdx|--disable-vhdx)
1360       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1361   ;;
1362   --enable-uuid|--disable-uuid)
1363       echo "$0: $opt is obsolete, UUID support is always built" >&2
1364   ;;
1365   --disable-gtk) gtk="no"
1366   ;;
1367   --enable-gtk) gtk="yes"
1368   ;;
1369   --tls-priority=*) tls_priority="$optarg"
1370   ;;
1371   --disable-gnutls) gnutls="no"
1372   ;;
1373   --enable-gnutls) gnutls="yes"
1374   ;;
1375   --disable-nettle) nettle="no"
1376   ;;
1377   --enable-nettle) nettle="yes"
1378   ;;
1379   --disable-gcrypt) gcrypt="no"
1380   ;;
1381   --enable-gcrypt) gcrypt="yes"
1382   ;;
1383   --enable-rdma) rdma="yes"
1384   ;;
1385   --disable-rdma) rdma="no"
1386   ;;
1387   --enable-pvrdma) pvrdma="yes"
1388   ;;
1389   --disable-pvrdma) pvrdma="no"
1390   ;;
1391   --disable-vte) vte="no"
1392   ;;
1393   --enable-vte) vte="yes"
1394   ;;
1395   --disable-virglrenderer) virglrenderer="no"
1396   ;;
1397   --enable-virglrenderer) virglrenderer="yes"
1398   ;;
1399   --disable-tpm) tpm="no"
1400   ;;
1401   --enable-tpm) tpm="yes"
1402   ;;
1403   --disable-libssh2) libssh2="no"
1404   ;;
1405   --enable-libssh2) libssh2="yes"
1406   ;;
1407   --disable-live-block-migration) live_block_migration="no"
1408   ;;
1409   --enable-live-block-migration) live_block_migration="yes"
1410   ;;
1411   --disable-numa) numa="no"
1412   ;;
1413   --enable-numa) numa="yes"
1414   ;;
1415   --disable-libxml2) libxml2="no"
1416   ;;
1417   --enable-libxml2) libxml2="yes"
1418   ;;
1419   --disable-tcmalloc) tcmalloc="no"
1420   ;;
1421   --enable-tcmalloc) tcmalloc="yes"
1422   ;;
1423   --disable-jemalloc) jemalloc="no"
1424   ;;
1425   --enable-jemalloc) jemalloc="yes"
1426   ;;
1427   --disable-replication) replication="no"
1428   ;;
1429   --enable-replication) replication="yes"
1430   ;;
1431   --disable-vxhs) vxhs="no"
1432   ;;
1433   --enable-vxhs) vxhs="yes"
1434   ;;
1435   --disable-bochs) bochs="no"
1436   ;;
1437   --enable-bochs) bochs="yes"
1438   ;;
1439   --disable-cloop) cloop="no"
1440   ;;
1441   --enable-cloop) cloop="yes"
1442   ;;
1443   --disable-dmg) dmg="no"
1444   ;;
1445   --enable-dmg) dmg="yes"
1446   ;;
1447   --disable-qcow1) qcow1="no"
1448   ;;
1449   --enable-qcow1) qcow1="yes"
1450   ;;
1451   --disable-vdi) vdi="no"
1452   ;;
1453   --enable-vdi) vdi="yes"
1454   ;;
1455   --disable-vvfat) vvfat="no"
1456   ;;
1457   --enable-vvfat) vvfat="yes"
1458   ;;
1459   --disable-qed) qed="no"
1460   ;;
1461   --enable-qed) qed="yes"
1462   ;;
1463   --disable-parallels) parallels="no"
1464   ;;
1465   --enable-parallels) parallels="yes"
1466   ;;
1467   --disable-sheepdog) sheepdog="no"
1468   ;;
1469   --enable-sheepdog) sheepdog="yes"
1470   ;;
1471   --disable-vhost-user) vhost_user="no"
1472   ;;
1473   --enable-vhost-user)
1474       vhost_user="yes"
1475       if test "$mingw32" = "yes"; then
1476           error_exit "vhost-user isn't available on win32"
1477       fi
1478   ;;
1479   --disable-capstone) capstone="no"
1480   ;;
1481   --enable-capstone) capstone="yes"
1482   ;;
1483   --enable-capstone=git) capstone="git"
1484   ;;
1485   --enable-capstone=system) capstone="system"
1486   ;;
1487   --with-git=*) git="$optarg"
1488   ;;
1489   --enable-git-update) git_update=yes
1490   ;;
1491   --disable-git-update) git_update=no
1492   ;;
1493   --enable-debug-mutex) debug_mutex=yes
1494   ;;
1495   --disable-debug-mutex) debug_mutex=no
1496   ;;
1497   --enable-libpmem) libpmem=yes
1498   ;;
1499   --disable-libpmem) libpmem=no
1500   ;;
1501   *)
1502       echo "ERROR: unknown option $opt"
1503       echo "Try '$0 --help' for more information"
1504       exit 1
1505   ;;
1506   esac
1507 done
1508
1509 if test "$vhost_user" = ""; then
1510     if test "$mingw32" = "yes"; then
1511         vhost_user="no"
1512     else
1513         vhost_user="yes"
1514     fi
1515 fi
1516
1517 case "$cpu" in
1518     ppc)
1519            CPU_CFLAGS="-m32"
1520            LDFLAGS="-m32 $LDFLAGS"
1521            cross_cc_powerpc=$cc
1522            cross_cc_cflags_powerpc=$CPU_CFLAGS
1523            ;;
1524     ppc64)
1525            CPU_CFLAGS="-m64"
1526            LDFLAGS="-m64 $LDFLAGS"
1527            cross_cc_ppc64=$cc
1528            cross_cc_cflags_ppc64=$CPU_CFLAGS
1529            ;;
1530     sparc)
1531            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1532            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1533            cross_cc_sparc=$cc
1534            cross_cc_cflags_sparc=$CPU_CFLAGS
1535            ;;
1536     sparc64)
1537            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1538            LDFLAGS="-m64 $LDFLAGS"
1539            cross_cc_sparc64=$cc
1540            cross_cc_cflags_sparc64=$CPU_CFLAGS
1541            ;;
1542     s390)
1543            CPU_CFLAGS="-m31"
1544            LDFLAGS="-m31 $LDFLAGS"
1545            cross_cc_s390=$cc
1546            cross_cc_cflags_s390=$CPU_CFLAGS
1547            ;;
1548     s390x)
1549            CPU_CFLAGS="-m64"
1550            LDFLAGS="-m64 $LDFLAGS"
1551            cross_cc_s390x=$cc
1552            cross_cc_cflags_s390x=$CPU_CFLAGS
1553            ;;
1554     i386)
1555            CPU_CFLAGS="-m32"
1556            LDFLAGS="-m32 $LDFLAGS"
1557            cross_cc_i386=$cc
1558            cross_cc_cflags_i386=$CPU_CFLAGS
1559            ;;
1560     x86_64)
1561            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1562            # If we truly care, we should simply detect this case at
1563            # runtime and generate the fallback to serial emulation.
1564            CPU_CFLAGS="-m64 -mcx16"
1565            LDFLAGS="-m64 $LDFLAGS"
1566            cross_cc_x86_64=$cc
1567            cross_cc_cflags_x86_64=$CPU_CFLAGS
1568            ;;
1569     x32)
1570            CPU_CFLAGS="-mx32"
1571            LDFLAGS="-mx32 $LDFLAGS"
1572            cross_cc_i386=$cc
1573            cross_cc_cflags_i386=$CPU_CFLAGS
1574            ;;
1575     # No special flags required for other host CPUs
1576 esac
1577
1578 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1579
1580 # For user-mode emulation the host arch has to be one we explicitly
1581 # support, even if we're using TCI.
1582 if [ "$ARCH" = "unknown" ]; then
1583   bsd_user="no"
1584   linux_user="no"
1585 fi
1586
1587 default_target_list=""
1588
1589 mak_wilds=""
1590
1591 if [ "$softmmu" = "yes" ]; then
1592     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1593 fi
1594 if [ "$linux_user" = "yes" ]; then
1595     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1596 fi
1597 if [ "$bsd_user" = "yes" ]; then
1598     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1599 fi
1600
1601 for config in $mak_wilds; do
1602     default_target_list="${default_target_list} $(basename "$config" .mak)"
1603 done
1604
1605 # Enumerate public trace backends for --help output
1606 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1607
1608 if test x"$show_help" = x"yes" ; then
1609 cat << EOF
1610
1611 Usage: configure [options]
1612 Options: [defaults in brackets after descriptions]
1613
1614 Standard options:
1615   --help                   print this message
1616   --prefix=PREFIX          install in PREFIX [$prefix]
1617   --interp-prefix=PREFIX   where to find shared libraries, etc.
1618                            use %M for cpu name [$interp_prefix]
1619   --target-list=LIST       set target list (default: build everything)
1620 $(echo Available targets: $default_target_list | \
1621   fold -s -w 53 | sed -e 's/^/                           /')
1622
1623 Advanced options (experts only):
1624   --source-path=PATH       path of source code [$source_path]
1625   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1626   --cc=CC                  use C compiler CC [$cc]
1627   --iasl=IASL              use ACPI compiler IASL [$iasl]
1628   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1629                            build time
1630   --cxx=CXX                use C++ compiler CXX [$cxx]
1631   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1632   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1633   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1634   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1635   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1636   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1637   --make=MAKE              use specified make [$make]
1638   --install=INSTALL        use specified install [$install]
1639   --python=PYTHON          use specified python [$python]
1640   --smbd=SMBD              use specified smbd [$smbd]
1641   --with-git=GIT           use specified git [$git]
1642   --static                 enable static build [$static]
1643   --mandir=PATH            install man pages in PATH
1644   --datadir=PATH           install firmware in PATH$confsuffix
1645   --docdir=PATH            install documentation in PATH$confsuffix
1646   --bindir=PATH            install binaries in PATH
1647   --libdir=PATH            install libraries in PATH
1648   --libexecdir=PATH        install helper binaries in PATH
1649   --sysconfdir=PATH        install config in PATH$confsuffix
1650   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1651   --firmwarepath=PATH      search PATH for firmware files
1652   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1653   --with-pkgversion=VERS   use specified string as sub-version of the package
1654   --enable-debug           enable common debug build options
1655   --enable-sanitizers      enable default sanitizers
1656   --disable-strip          disable stripping binaries
1657   --disable-werror         disable compilation abort on warning
1658   --disable-stack-protector disable compiler-provided stack protection
1659   --audio-drv-list=LIST    set audio drivers list:
1660                            Available drivers: $audio_possible_drivers
1661   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1662   --block-drv-rw-whitelist=L
1663                            set block driver read-write whitelist
1664                            (affects only QEMU, not qemu-img)
1665   --block-drv-ro-whitelist=L
1666                            set block driver read-only whitelist
1667                            (affects only QEMU, not qemu-img)
1668   --enable-trace-backends=B Set trace backend
1669                            Available backends: $trace_backend_list
1670   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1671                            Default:trace-<pid>
1672   --disable-slirp          disable SLIRP userspace network connectivity
1673   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1674   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1675   --oss-lib                path to OSS library
1676   --cpu=CPU                Build for host CPU [$cpu]
1677   --with-coroutine=BACKEND coroutine backend. Supported options:
1678                            ucontext, sigaltstack, windows
1679   --enable-gcov            enable test coverage analysis with gcov
1680   --gcov=GCOV              use specified gcov [$gcov_tool]
1681   --disable-blobs          disable installing provided firmware blobs
1682   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1683   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1684   --tls-priority           default TLS protocol/cipher priority string
1685   --enable-gprof           QEMU profiling with gprof
1686   --enable-profiler        profiler support
1687   --enable-debug-stack-usage
1688                            track the maximum stack usage of stacks created by qemu_alloc_stack
1689
1690 Optional features, enabled with --enable-FEATURE and
1691 disabled with --disable-FEATURE, default is enabled if available:
1692
1693   system          all system emulation targets
1694   user            supported user emulation targets
1695   linux-user      all linux usermode emulation targets
1696   bsd-user        all BSD usermode emulation targets
1697   docs            build documentation
1698   guest-agent     build the QEMU Guest Agent
1699   guest-agent-msi build guest agent Windows MSI installation package
1700   pie             Position Independent Executables
1701   modules         modules support
1702   debug-tcg       TCG debugging (default is disabled)
1703   debug-info      debugging information
1704   sparse          sparse checker
1705
1706   gnutls          GNUTLS cryptography support
1707   nettle          nettle cryptography support
1708   gcrypt          libgcrypt cryptography support
1709   sdl             SDL UI
1710   sdl_image       SDL Image support for icons
1711   gtk             gtk UI
1712   vte             vte support for the gtk UI
1713   curses          curses UI
1714   vnc             VNC UI support
1715   vnc-sasl        SASL encryption for VNC server
1716   vnc-jpeg        JPEG lossy compression for VNC server
1717   vnc-png         PNG compression for VNC server
1718   cocoa           Cocoa UI (Mac OS X only)
1719   virtfs          VirtFS
1720   mpath           Multipath persistent reservation passthrough
1721   xen             xen backend driver support
1722   xen-pci-passthrough    PCI passthrough support for Xen
1723   brlapi          BrlAPI (Braile)
1724   curl            curl connectivity
1725   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1726   fdt             fdt device tree
1727   bluez           bluez stack connectivity
1728   kvm             KVM acceleration support
1729   hax             HAX acceleration support
1730   hvf             Hypervisor.framework acceleration support
1731   whpx            Windows Hypervisor Platform acceleration support
1732   rdma            Enable RDMA-based migration
1733   pvrdma          Enable PVRDMA support
1734   vde             support for vde network
1735   netmap          support for netmap network
1736   linux-aio       Linux AIO support
1737   cap-ng          libcap-ng support
1738   attr            attr and xattr support
1739   vhost-net       vhost-net acceleration support
1740   vhost-crypto    vhost-crypto acceleration support
1741   spice           spice
1742   rbd             rados block device (rbd)
1743   libiscsi        iscsi support
1744   libnfs          nfs support
1745   smartcard       smartcard support (libcacard)
1746   libusb          libusb (for usb passthrough)
1747   live-block-migration   Block migration in the main migration stream
1748   usb-redir       usb network redirection support
1749   lzo             support of lzo compression library
1750   snappy          support of snappy compression library
1751   bzip2           support of bzip2 compression library
1752                   (for reading bzip2-compressed dmg images)
1753   lzfse           support of lzfse compression library
1754                   (for reading lzfse-compressed dmg images)
1755   seccomp         seccomp support
1756   coroutine-pool  coroutine freelist (better performance)
1757   glusterfs       GlusterFS backend
1758   tpm             TPM support
1759   libssh2         ssh block device support
1760   numa            libnuma support
1761   libxml2         for Parallels image format
1762   tcmalloc        tcmalloc support
1763   jemalloc        jemalloc support
1764   avx2            AVX2 optimization support
1765   replication     replication support
1766   vhost-vsock     virtio sockets device support
1767   opengl          opengl support
1768   virglrenderer   virgl rendering support
1769   xfsctl          xfsctl support
1770   qom-cast-debug  cast debugging support
1771   tools           build qemu-io, qemu-nbd and qemu-image tools
1772   vxhs            Veritas HyperScale vDisk backend support
1773   bochs           bochs image format support
1774   cloop           cloop image format support
1775   dmg             dmg image format support
1776   qcow1           qcow v1 image format support
1777   vdi             vdi image format support
1778   vvfat           vvfat image format support
1779   qed             qed image format support
1780   parallels       parallels image format support
1781   sheepdog        sheepdog block driver support
1782   crypto-afalg    Linux AF_ALG crypto backend driver
1783   vhost-user      vhost-user support
1784   capstone        capstone disassembler support
1785   debug-mutex     mutex debugging support
1786   libpmem         libpmem support
1787
1788 NOTE: The object files are built at the place where configure is launched
1789 EOF
1790 exit 0
1791 fi
1792
1793 if ! has $python; then
1794   error_exit "Python not found. Use --python=/path/to/python"
1795 fi
1796
1797 # Note that if the Python conditional here evaluates True we will exit
1798 # with status 1 which is a shell 'false' value.
1799 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,7))'; then
1800   error_exit "Cannot use '$python', Python 2 >= 2.7 or Python 3 is required." \
1801       "Use --python=/path/to/python to specify a supported Python."
1802 fi
1803
1804 # Preserve python version since some functionality is dependent on it
1805 python_version=$($python -V 2>&1 | sed -e 's/Python\ //')
1806
1807 # Suppress writing compiled files
1808 python="$python -B"
1809
1810 # Check that the C compiler works. Doing this here before testing
1811 # the host CPU ensures that we had a valid CC to autodetect the
1812 # $cpu var (and we should bail right here if that's not the case).
1813 # It also allows the help message to be printed without a CC.
1814 write_c_skeleton;
1815 if compile_object ; then
1816   : C compiler works ok
1817 else
1818     error_exit "\"$cc\" either does not exist or does not work"
1819 fi
1820 if ! compile_prog ; then
1821     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1822 fi
1823
1824 # Now we have handled --enable-tcg-interpreter and know we're not just
1825 # printing the help message, bail out if the host CPU isn't supported.
1826 if test "$ARCH" = "unknown"; then
1827     if test "$tcg_interpreter" = "yes" ; then
1828         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1829     else
1830         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1831     fi
1832 fi
1833
1834 # Consult white-list to determine whether to enable werror
1835 # by default.  Only enable by default for git builds
1836 if test -z "$werror" ; then
1837     if test -d "$source_path/.git" -a \
1838         \( "$linux" = "yes" -o "$mingw32" = "yes" \) ; then
1839         werror="yes"
1840     else
1841         werror="no"
1842     fi
1843 fi
1844
1845 if test "$bogus_os" = "yes"; then
1846     # Now that we know that we're not printing the help and that
1847     # the compiler works (so the results of the check_defines we used
1848     # to identify the OS are reliable), if we didn't recognize the
1849     # host OS we should stop now.
1850     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1851 fi
1852
1853 # Check whether the compiler matches our minimum requirements:
1854 cat > $TMPC << EOF
1855 #if defined(__clang_major__) && defined(__clang_minor__)
1856 # ifdef __apple_build_version__
1857 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1858 #   error You need at least XCode Clang v5.1 to compile QEMU
1859 #  endif
1860 # else
1861 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1862 #   error You need at least Clang v3.4 to compile QEMU
1863 #  endif
1864 # endif
1865 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1866 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1867 #  error You need at least GCC v4.8 to compile QEMU
1868 # endif
1869 #else
1870 # error You either need GCC or Clang to compiler QEMU
1871 #endif
1872 int main (void) { return 0; }
1873 EOF
1874 if ! compile_prog "" "" ; then
1875     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1876 fi
1877
1878 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1879 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1880 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1881 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1882 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1883 gcc_flags="-Wno-string-plus-int $gcc_flags"
1884 gcc_flags="-Wno-error=address-of-packed-member $gcc_flags"
1885 # Note that we do not add -Werror to gcc_flags here, because that would
1886 # enable it for all configure tests. If a configure test failed due
1887 # to -Werror this would just silently disable some features,
1888 # so it's too error prone.
1889
1890 cc_has_warning_flag() {
1891     write_c_skeleton;
1892
1893     # Use the positive sense of the flag when testing for -Wno-wombat
1894     # support (gcc will happily accept the -Wno- form of unknown
1895     # warning options).
1896     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1897     compile_prog "-Werror $optflag" ""
1898 }
1899
1900 for flag in $gcc_flags; do
1901     if cc_has_warning_flag $flag ; then
1902         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1903     fi
1904 done
1905
1906 if test "$stack_protector" != "no"; then
1907   cat > $TMPC << EOF
1908 int main(int argc, char *argv[])
1909 {
1910     char arr[64], *p = arr, *c = argv[0];
1911     while (*c) {
1912         *p++ = *c++;
1913     }
1914     return 0;
1915 }
1916 EOF
1917   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1918   sp_on=0
1919   for flag in $gcc_flags; do
1920     # We need to check both a compile and a link, since some compiler
1921     # setups fail only on a .c->.o compile and some only at link time
1922     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1923        compile_prog "-Werror $flag" ""; then
1924       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1925       sp_on=1
1926       break
1927     fi
1928   done
1929   if test "$stack_protector" = yes; then
1930     if test $sp_on = 0; then
1931       error_exit "Stack protector not supported"
1932     fi
1933   fi
1934 fi
1935
1936 # Disable -Wmissing-braces on older compilers that warn even for
1937 # the "universal" C zero initializer {0}.
1938 cat > $TMPC << EOF
1939 struct {
1940   int a[2];
1941 } x = {0};
1942 EOF
1943 if compile_object "-Werror" "" ; then
1944   :
1945 else
1946   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1947 fi
1948
1949 # Static linking is not possible with modules or PIE
1950 if test "$static" = "yes" ; then
1951   if test "$modules" = "yes" ; then
1952     error_exit "static and modules are mutually incompatible"
1953   fi
1954   if test "$pie" = "yes" ; then
1955     error_exit "static and pie are mutually incompatible"
1956   else
1957     pie="no"
1958   fi
1959 fi
1960
1961 # Unconditional check for compiler __thread support
1962   cat > $TMPC << EOF
1963 static __thread int tls_var;
1964 int main(void) { return tls_var; }
1965 EOF
1966
1967 if ! compile_prog "-Werror" "" ; then
1968     error_exit "Your compiler does not support the __thread specifier for " \
1969         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1970 fi
1971
1972 if test "$pie" = ""; then
1973   case "$cpu-$targetos" in
1974     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1975       ;;
1976     *)
1977       pie="no"
1978       ;;
1979   esac
1980 fi
1981
1982 if test "$pie" != "no" ; then
1983   cat > $TMPC << EOF
1984
1985 #ifdef __linux__
1986 #  define THREAD __thread
1987 #else
1988 #  define THREAD
1989 #endif
1990
1991 static THREAD int tls_var;
1992
1993 int main(void) { return tls_var; }
1994
1995 EOF
1996   if compile_prog "-fPIE -DPIE" "-pie"; then
1997     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1998     LDFLAGS="-pie $LDFLAGS"
1999     pie="yes"
2000     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2001       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
2002     fi
2003   else
2004     if test "$pie" = "yes"; then
2005       error_exit "PIE not available due to missing toolchain support"
2006     else
2007       echo "Disabling PIE due to missing toolchain support"
2008       pie="no"
2009     fi
2010   fi
2011
2012   if compile_prog "-Werror -fno-pie" "-nopie"; then
2013     CFLAGS_NOPIE="-fno-pie"
2014     LDFLAGS_NOPIE="-nopie"
2015   fi
2016 fi
2017
2018 ##########################################
2019 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2020 # use i686 as default anyway, but for those that don't, an explicit
2021 # specification is necessary
2022
2023 if test "$cpu" = "i386"; then
2024   cat > $TMPC << EOF
2025 static int sfaa(int *ptr)
2026 {
2027   return __sync_fetch_and_and(ptr, 0);
2028 }
2029
2030 int main(void)
2031 {
2032   int val = 42;
2033   val = __sync_val_compare_and_swap(&val, 0, 1);
2034   sfaa(&val);
2035   return val;
2036 }
2037 EOF
2038   if ! compile_prog "" "" ; then
2039     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2040   fi
2041 fi
2042
2043 #########################################
2044 # Solaris specific configure tool chain decisions
2045
2046 if test "$solaris" = "yes" ; then
2047   if has $install; then
2048     :
2049   else
2050     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2051         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2052         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2053   fi
2054   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2055     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2056         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2057         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2058   fi
2059   if has ar; then
2060     :
2061   else
2062     if test -f /usr/ccs/bin/ar ; then
2063       error_exit "No path includes ar" \
2064           "Add /usr/ccs/bin to your path and rerun configure"
2065     fi
2066     error_exit "No path includes ar"
2067   fi
2068 fi
2069
2070 if test -z "${target_list+xxx}" ; then
2071     for target in $default_target_list; do
2072         supported_target $target 2>/dev/null && \
2073             target_list="$target_list $target"
2074     done
2075     target_list="${target_list# }"
2076 else
2077     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2078     for target in $target_list; do
2079         # Check that we recognised the target name; this allows a more
2080         # friendly error message than if we let it fall through.
2081         case " $default_target_list " in
2082             *" $target "*)
2083                 ;;
2084             *)
2085                 error_exit "Unknown target name '$target'"
2086                 ;;
2087         esac
2088         supported_target $target || exit 1
2089     done
2090 fi
2091
2092 # see if system emulation was really requested
2093 case " $target_list " in
2094   *"-softmmu "*) softmmu=yes
2095   ;;
2096   *) softmmu=no
2097   ;;
2098 esac
2099
2100 feature_not_found() {
2101   feature=$1
2102   remedy=$2
2103
2104   error_exit "User requested feature $feature" \
2105       "configure was not able to find it." \
2106       "$remedy"
2107 }
2108
2109 # ---
2110 # big/little endian test
2111 cat > $TMPC << EOF
2112 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2113 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2114 extern int foo(short *, short *);
2115 int main(int argc, char *argv[]) {
2116     return foo(big_endian, little_endian);
2117 }
2118 EOF
2119
2120 if compile_object ; then
2121     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2122         bigendian="yes"
2123     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2124         bigendian="no"
2125     else
2126         echo big/little test failed
2127     fi
2128 else
2129     echo big/little test failed
2130 fi
2131
2132 ##########################################
2133 # cocoa implies not SDL or GTK
2134 # (the cocoa UI code currently assumes it is always the active UI
2135 # and doesn't interact well with other UI frontend code)
2136 if test "$cocoa" = "yes"; then
2137     if test "$sdl" = "yes"; then
2138         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2139     fi
2140     if test "$gtk" = "yes"; then
2141         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2142     fi
2143     gtk=no
2144     sdl=no
2145 fi
2146
2147 # Some versions of Mac OS X incorrectly define SIZE_MAX
2148 cat > $TMPC << EOF
2149 #include <stdint.h>
2150 #include <stdio.h>
2151 int main(int argc, char *argv[]) {
2152     return printf("%zu", SIZE_MAX);
2153 }
2154 EOF
2155 have_broken_size_max=no
2156 if ! compile_object -Werror ; then
2157     have_broken_size_max=yes
2158 fi
2159
2160 ##########################################
2161 # L2TPV3 probe
2162
2163 cat > $TMPC <<EOF
2164 #include <sys/socket.h>
2165 #include <linux/ip.h>
2166 int main(void) { return sizeof(struct mmsghdr); }
2167 EOF
2168 if compile_prog "" "" ; then
2169   l2tpv3=yes
2170 else
2171   l2tpv3=no
2172 fi
2173
2174 ##########################################
2175 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2176
2177 if test "$mingw32" = "yes"; then
2178     # Some versions of MinGW / Mingw-w64 lack localtime_r
2179     # and gmtime_r entirely.
2180     #
2181     # Some versions of Mingw-w64 define a macro for
2182     # localtime_r/gmtime_r.
2183     #
2184     # Some versions of Mingw-w64 will define functions
2185     # for localtime_r/gmtime_r, but only if you have
2186     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2187     # though, unistd.h and pthread.h both define
2188     # that for you.
2189     #
2190     # So this #undef localtime_r and #include <unistd.h>
2191     # are not in fact redundant.
2192 cat > $TMPC << EOF
2193 #include <unistd.h>
2194 #include <time.h>
2195 #undef localtime_r
2196 int main(void) { localtime_r(NULL, NULL); return 0; }
2197 EOF
2198     if compile_prog "" "" ; then
2199         localtime_r="yes"
2200     else
2201         localtime_r="no"
2202     fi
2203 fi
2204
2205 ##########################################
2206 # pkg-config probe
2207
2208 if ! has "$pkg_config_exe"; then
2209   error_exit "pkg-config binary '$pkg_config_exe' not found"
2210 fi
2211
2212 ##########################################
2213 # NPTL probe
2214
2215 if test "$linux_user" = "yes"; then
2216   cat > $TMPC <<EOF
2217 #include <sched.h>
2218 #include <linux/futex.h>
2219 int main(void) {
2220 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2221 #error bork
2222 #endif
2223   return 0;
2224 }
2225 EOF
2226   if ! compile_object ; then
2227     feature_not_found "nptl" "Install glibc and linux kernel headers."
2228   fi
2229 fi
2230
2231 ##########################################
2232 # lzo check
2233
2234 if test "$lzo" != "no" ; then
2235     cat > $TMPC << EOF
2236 #include <lzo/lzo1x.h>
2237 int main(void) { lzo_version(); return 0; }
2238 EOF
2239     if compile_prog "" "-llzo2" ; then
2240         libs_softmmu="$libs_softmmu -llzo2"
2241         lzo="yes"
2242     else
2243         if test "$lzo" = "yes"; then
2244             feature_not_found "liblzo2" "Install liblzo2 devel"
2245         fi
2246         lzo="no"
2247     fi
2248 fi
2249
2250 ##########################################
2251 # snappy check
2252
2253 if test "$snappy" != "no" ; then
2254     cat > $TMPC << EOF
2255 #include <snappy-c.h>
2256 int main(void) { snappy_max_compressed_length(4096); return 0; }
2257 EOF
2258     if compile_prog "" "-lsnappy" ; then
2259         libs_softmmu="$libs_softmmu -lsnappy"
2260         snappy="yes"
2261     else
2262         if test "$snappy" = "yes"; then
2263             feature_not_found "libsnappy" "Install libsnappy devel"
2264         fi
2265         snappy="no"
2266     fi
2267 fi
2268
2269 ##########################################
2270 # bzip2 check
2271
2272 if test "$bzip2" != "no" ; then
2273     cat > $TMPC << EOF
2274 #include <bzlib.h>
2275 int main(void) { BZ2_bzlibVersion(); return 0; }
2276 EOF
2277     if compile_prog "" "-lbz2" ; then
2278         bzip2="yes"
2279     else
2280         if test "$bzip2" = "yes"; then
2281             feature_not_found "libbzip2" "Install libbzip2 devel"
2282         fi
2283         bzip2="no"
2284     fi
2285 fi
2286
2287 ##########################################
2288 # lzfse check
2289
2290 if test "$lzfse" != "no" ; then
2291     cat > $TMPC << EOF
2292 #include <lzfse.h>
2293 int main(void) { lzfse_decode_scratch_size(); return 0; }
2294 EOF
2295     if compile_prog "" "-llzfse" ; then
2296         lzfse="yes"
2297     else
2298         if test "$lzfse" = "yes"; then
2299             feature_not_found "lzfse" "Install lzfse devel"
2300         fi
2301         lzfse="no"
2302     fi
2303 fi
2304
2305 ##########################################
2306 # libseccomp check
2307
2308 libseccomp_minver="2.2.0"
2309 if test "$seccomp" != "no" ; then
2310     case "$cpu" in
2311     i386|x86_64|mips)
2312         ;;
2313     arm|aarch64)
2314         libseccomp_minver="2.2.3"
2315         ;;
2316     ppc|ppc64|s390x)
2317         libseccomp_minver="2.3.0"
2318         ;;
2319     *)
2320         libseccomp_minver=""
2321         ;;
2322     esac
2323
2324     if test "$libseccomp_minver" != "" &&
2325        $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2326         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2327         seccomp_libs="$($pkg_config --libs libseccomp)"
2328         seccomp="yes"
2329     else
2330         if test "$seccomp" = "yes" ; then
2331             if test "$libseccomp_minver" != "" ; then
2332                 feature_not_found "libseccomp" \
2333                     "Install libseccomp devel >= $libseccomp_minver"
2334             else
2335                 feature_not_found "libseccomp" \
2336                     "libseccomp is not supported for host cpu $cpu"
2337             fi
2338         fi
2339         seccomp="no"
2340     fi
2341 fi
2342 ##########################################
2343 # xen probe
2344
2345 if test "$xen" != "no" ; then
2346   # Check whether Xen library path is specified via --extra-ldflags to avoid
2347   # overriding this setting with pkg-config output. If not, try pkg-config
2348   # to obtain all needed flags.
2349
2350   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2351      $pkg_config --exists xencontrol ; then
2352     xen_ctrl_version="$(printf '%d%02d%02d' \
2353       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2354     xen=yes
2355     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2356     xen_pc="$xen_pc xenevtchn xendevicemodel"
2357     if $pkg_config --exists xentoolcore; then
2358       xen_pc="$xen_pc xentoolcore"
2359     fi
2360     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2361     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2362   else
2363
2364     xen_libs="-lxenstore -lxenctrl -lxenguest"
2365     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2366
2367     # First we test whether Xen headers and libraries are available.
2368     # If no, we are done and there is no Xen support.
2369     # If yes, more tests are run to detect the Xen version.
2370
2371     # Xen (any)
2372     cat > $TMPC <<EOF
2373 #include <xenctrl.h>
2374 int main(void) {
2375   return 0;
2376 }
2377 EOF
2378     if ! compile_prog "" "$xen_libs" ; then
2379       # Xen not found
2380       if test "$xen" = "yes" ; then
2381         feature_not_found "xen" "Install xen devel"
2382       fi
2383       xen=no
2384
2385     # Xen unstable
2386     elif
2387         cat > $TMPC <<EOF &&
2388 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2389 #define __XEN_TOOLS__
2390 #include <xendevicemodel.h>
2391 #include <xenforeignmemory.h>
2392 int main(void) {
2393   xendevicemodel_handle *xd;
2394   xenforeignmemory_handle *xfmem;
2395
2396   xd = xendevicemodel_open(0, 0);
2397   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2398
2399   xfmem = xenforeignmemory_open(0, 0);
2400   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2401
2402   return 0;
2403 }
2404 EOF
2405         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2406       then
2407       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2408       xen_ctrl_version=41100
2409       xen=yes
2410     elif
2411         cat > $TMPC <<EOF &&
2412 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2413 #include <xenforeignmemory.h>
2414 #include <xentoolcore.h>
2415 int main(void) {
2416   xenforeignmemory_handle *xfmem;
2417
2418   xfmem = xenforeignmemory_open(0, 0);
2419   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2420   xentoolcore_restrict_all(0);
2421
2422   return 0;
2423 }
2424 EOF
2425         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2426       then
2427       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2428       xen_ctrl_version=41000
2429       xen=yes
2430     elif
2431         cat > $TMPC <<EOF &&
2432 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2433 #define __XEN_TOOLS__
2434 #include <xendevicemodel.h>
2435 int main(void) {
2436   xendevicemodel_handle *xd;
2437
2438   xd = xendevicemodel_open(0, 0);
2439   xendevicemodel_close(xd);
2440
2441   return 0;
2442 }
2443 EOF
2444         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2445       then
2446       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2447       xen_ctrl_version=40900
2448       xen=yes
2449     elif
2450         cat > $TMPC <<EOF &&
2451 /*
2452  * If we have stable libs the we don't want the libxc compat
2453  * layers, regardless of what CFLAGS we may have been given.
2454  *
2455  * Also, check if xengnttab_grant_copy_segment_t is defined and
2456  * grant copy operation is implemented.
2457  */
2458 #undef XC_WANT_COMPAT_EVTCHN_API
2459 #undef XC_WANT_COMPAT_GNTTAB_API
2460 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2461 #include <xenctrl.h>
2462 #include <xenstore.h>
2463 #include <xenevtchn.h>
2464 #include <xengnttab.h>
2465 #include <xenforeignmemory.h>
2466 #include <stdint.h>
2467 #include <xen/hvm/hvm_info_table.h>
2468 #if !defined(HVM_MAX_VCPUS)
2469 # error HVM_MAX_VCPUS not defined
2470 #endif
2471 int main(void) {
2472   xc_interface *xc = NULL;
2473   xenforeignmemory_handle *xfmem;
2474   xenevtchn_handle *xe;
2475   xengnttab_handle *xg;
2476   xengnttab_grant_copy_segment_t* seg = NULL;
2477
2478   xs_daemon_open();
2479
2480   xc = xc_interface_open(0, 0, 0);
2481   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2482   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2483   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2484   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2485
2486   xfmem = xenforeignmemory_open(0, 0);
2487   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2488
2489   xe = xenevtchn_open(0, 0);
2490   xenevtchn_fd(xe);
2491
2492   xg = xengnttab_open(0, 0);
2493   xengnttab_grant_copy(xg, 0, seg);
2494
2495   return 0;
2496 }
2497 EOF
2498         compile_prog "" "$xen_libs $xen_stable_libs"
2499       then
2500       xen_ctrl_version=40800
2501       xen=yes
2502     elif
2503         cat > $TMPC <<EOF &&
2504 /*
2505  * If we have stable libs the we don't want the libxc compat
2506  * layers, regardless of what CFLAGS we may have been given.
2507  */
2508 #undef XC_WANT_COMPAT_EVTCHN_API
2509 #undef XC_WANT_COMPAT_GNTTAB_API
2510 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2511 #include <xenctrl.h>
2512 #include <xenstore.h>
2513 #include <xenevtchn.h>
2514 #include <xengnttab.h>
2515 #include <xenforeignmemory.h>
2516 #include <stdint.h>
2517 #include <xen/hvm/hvm_info_table.h>
2518 #if !defined(HVM_MAX_VCPUS)
2519 # error HVM_MAX_VCPUS not defined
2520 #endif
2521 int main(void) {
2522   xc_interface *xc = NULL;
2523   xenforeignmemory_handle *xfmem;
2524   xenevtchn_handle *xe;
2525   xengnttab_handle *xg;
2526
2527   xs_daemon_open();
2528
2529   xc = xc_interface_open(0, 0, 0);
2530   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2531   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2532   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2533   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2534
2535   xfmem = xenforeignmemory_open(0, 0);
2536   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2537
2538   xe = xenevtchn_open(0, 0);
2539   xenevtchn_fd(xe);
2540
2541   xg = xengnttab_open(0, 0);
2542   xengnttab_map_grant_ref(xg, 0, 0, 0);
2543
2544   return 0;
2545 }
2546 EOF
2547         compile_prog "" "$xen_libs $xen_stable_libs"
2548       then
2549       xen_ctrl_version=40701
2550       xen=yes
2551
2552     # Xen 4.6
2553     elif
2554         cat > $TMPC <<EOF &&
2555 #include <xenctrl.h>
2556 #include <xenstore.h>
2557 #include <stdint.h>
2558 #include <xen/hvm/hvm_info_table.h>
2559 #if !defined(HVM_MAX_VCPUS)
2560 # error HVM_MAX_VCPUS not defined
2561 #endif
2562 int main(void) {
2563   xc_interface *xc;
2564   xs_daemon_open();
2565   xc = xc_interface_open(0, 0, 0);
2566   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2567   xc_gnttab_open(NULL, 0);
2568   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2569   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2570   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2571   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2572   return 0;
2573 }
2574 EOF
2575         compile_prog "" "$xen_libs"
2576       then
2577       xen_ctrl_version=40600
2578       xen=yes
2579
2580     # Xen 4.5
2581     elif
2582         cat > $TMPC <<EOF &&
2583 #include <xenctrl.h>
2584 #include <xenstore.h>
2585 #include <stdint.h>
2586 #include <xen/hvm/hvm_info_table.h>
2587 #if !defined(HVM_MAX_VCPUS)
2588 # error HVM_MAX_VCPUS not defined
2589 #endif
2590 int main(void) {
2591   xc_interface *xc;
2592   xs_daemon_open();
2593   xc = xc_interface_open(0, 0, 0);
2594   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2595   xc_gnttab_open(NULL, 0);
2596   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2597   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2598   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2599   return 0;
2600 }
2601 EOF
2602         compile_prog "" "$xen_libs"
2603       then
2604       xen_ctrl_version=40500
2605       xen=yes
2606
2607     elif
2608         cat > $TMPC <<EOF &&
2609 #include <xenctrl.h>
2610 #include <xenstore.h>
2611 #include <stdint.h>
2612 #include <xen/hvm/hvm_info_table.h>
2613 #if !defined(HVM_MAX_VCPUS)
2614 # error HVM_MAX_VCPUS not defined
2615 #endif
2616 int main(void) {
2617   xc_interface *xc;
2618   xs_daemon_open();
2619   xc = xc_interface_open(0, 0, 0);
2620   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2621   xc_gnttab_open(NULL, 0);
2622   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2623   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2624   return 0;
2625 }
2626 EOF
2627         compile_prog "" "$xen_libs"
2628       then
2629       xen_ctrl_version=40200
2630       xen=yes
2631
2632     else
2633       if test "$xen" = "yes" ; then
2634         feature_not_found "xen (unsupported version)" \
2635                           "Install a supported xen (xen 4.2 or newer)"
2636       fi
2637       xen=no
2638     fi
2639
2640     if test "$xen" = yes; then
2641       if test $xen_ctrl_version -ge 40701  ; then
2642         libs_softmmu="$xen_stable_libs $libs_softmmu"
2643       fi
2644       libs_softmmu="$xen_libs $libs_softmmu"
2645     fi
2646   fi
2647 fi
2648
2649 if test "$xen_pci_passthrough" != "no"; then
2650   if test "$xen" = "yes" && test "$linux" = "yes"; then
2651     xen_pci_passthrough=yes
2652   else
2653     if test "$xen_pci_passthrough" = "yes"; then
2654       error_exit "User requested feature Xen PCI Passthrough" \
2655           " but this feature requires /sys from Linux"
2656     fi
2657     xen_pci_passthrough=no
2658   fi
2659 fi
2660
2661 ##########################################
2662 # Windows Hypervisor Platform accelerator (WHPX) check
2663 if test "$whpx" != "no" ; then
2664     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2665         whpx="yes"
2666     else
2667         if test "$whpx" = "yes"; then
2668             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2669         fi
2670         whpx="no"
2671     fi
2672 fi
2673
2674 ##########################################
2675 # Sparse probe
2676 if test "$sparse" != "no" ; then
2677   if has cgcc; then
2678     sparse=yes
2679   else
2680     if test "$sparse" = "yes" ; then
2681       feature_not_found "sparse" "Install sparse binary"
2682     fi
2683     sparse=no
2684   fi
2685 fi
2686
2687 ##########################################
2688 # X11 probe
2689 if $pkg_config --exists "x11"; then
2690     have_x11=yes
2691     x11_cflags=$($pkg_config --cflags x11)
2692     x11_libs=$($pkg_config --libs x11)
2693 fi
2694
2695 ##########################################
2696 # GTK probe
2697
2698 if test "$gtk" != "no"; then
2699     gtkpackage="gtk+-3.0"
2700     gtkx11package="gtk+-x11-3.0"
2701     gtkversion="3.14.0"
2702     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2703         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2704         gtk_libs=$($pkg_config --libs $gtkpackage)
2705         gtk_version=$($pkg_config --modversion $gtkpackage)
2706         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2707             need_x11=yes
2708             gtk_cflags="$gtk_cflags $x11_cflags"
2709             gtk_libs="$gtk_libs $x11_libs"
2710         fi
2711         gtk="yes"
2712     elif test "$gtk" = "yes"; then
2713         feature_not_found "gtk" "Install gtk3-devel"
2714     else
2715         gtk="no"
2716     fi
2717 fi
2718
2719
2720 ##########################################
2721 # GNUTLS probe
2722
2723 if test "$gnutls" != "no"; then
2724     if $pkg_config --exists "gnutls >= 3.1.18"; then
2725         gnutls_cflags=$($pkg_config --cflags gnutls)
2726         gnutls_libs=$($pkg_config --libs gnutls)
2727         libs_softmmu="$gnutls_libs $libs_softmmu"
2728         libs_tools="$gnutls_libs $libs_tools"
2729         QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2730         gnutls="yes"
2731     elif test "$gnutls" = "yes"; then
2732         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2733     else
2734         gnutls="no"
2735     fi
2736 fi
2737
2738
2739 # If user didn't give a --disable/enable-gcrypt flag,
2740 # then mark as disabled if user requested nettle
2741 # explicitly
2742 if test -z "$gcrypt"
2743 then
2744     if test "$nettle" = "yes"
2745     then
2746         gcrypt="no"
2747     fi
2748 fi
2749
2750 # If user didn't give a --disable/enable-nettle flag,
2751 # then mark as disabled if user requested gcrypt
2752 # explicitly
2753 if test -z "$nettle"
2754 then
2755     if test "$gcrypt" = "yes"
2756     then
2757         nettle="no"
2758     fi
2759 fi
2760
2761 has_libgcrypt() {
2762     if ! has "libgcrypt-config"
2763     then
2764         return 1
2765     fi
2766
2767     if test -n "$cross_prefix"
2768     then
2769         host=$(libgcrypt-config --host)
2770         if test "$host-" != $cross_prefix
2771         then
2772             return 1
2773         fi
2774     fi
2775
2776     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2777     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2778
2779     if test $maj != 1 || test $min -lt 5
2780     then
2781        return 1
2782     fi
2783
2784     return 0
2785 }
2786
2787
2788 if test "$nettle" != "no"; then
2789     if $pkg_config --exists "nettle >= 2.7.1"; then
2790         nettle_cflags=$($pkg_config --cflags nettle)
2791         nettle_libs=$($pkg_config --libs nettle)
2792         nettle_version=$($pkg_config --modversion nettle)
2793         libs_softmmu="$nettle_libs $libs_softmmu"
2794         libs_tools="$nettle_libs $libs_tools"
2795         QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2796         nettle="yes"
2797
2798         if test -z "$gcrypt"; then
2799            gcrypt="no"
2800         fi
2801     else
2802         if test "$nettle" = "yes"; then
2803             feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2804         else
2805             nettle="no"
2806         fi
2807     fi
2808 fi
2809
2810 if test "$gcrypt" != "no"; then
2811     if has_libgcrypt; then
2812         gcrypt_cflags=$(libgcrypt-config --cflags)
2813         gcrypt_libs=$(libgcrypt-config --libs)
2814         # Debian has remove -lgpg-error from libgcrypt-config
2815         # as it "spreads unnecessary dependencies" which in
2816         # turn breaks static builds...
2817         if test "$static" = "yes"
2818         then
2819             gcrypt_libs="$gcrypt_libs -lgpg-error"
2820         fi
2821         libs_softmmu="$gcrypt_libs $libs_softmmu"
2822         libs_tools="$gcrypt_libs $libs_tools"
2823         QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2824         gcrypt="yes"
2825
2826         cat > $TMPC << EOF
2827 #include <gcrypt.h>
2828 int main(void) {
2829   gcry_mac_hd_t handle;
2830   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2831                 GCRY_MAC_FLAG_SECURE, NULL);
2832   return 0;
2833 }
2834 EOF
2835         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2836             gcrypt_hmac=yes
2837         fi
2838     else
2839         if test "$gcrypt" = "yes"; then
2840             feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
2841         else
2842             gcrypt="no"
2843         fi
2844     fi
2845 fi
2846
2847
2848 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2849 then
2850     error_exit "Only one of gcrypt & nettle can be enabled"
2851 fi
2852
2853 ##########################################
2854 # libtasn1 - only for the TLS creds/session test suite
2855
2856 tasn1=yes
2857 tasn1_cflags=""
2858 tasn1_libs=""
2859 if $pkg_config --exists "libtasn1"; then
2860     tasn1_cflags=$($pkg_config --cflags libtasn1)
2861     tasn1_libs=$($pkg_config --libs libtasn1)
2862 else
2863     tasn1=no
2864 fi
2865
2866
2867 ##########################################
2868 # getifaddrs (for tests/test-io-channel-socket )
2869
2870 have_ifaddrs_h=yes
2871 if ! check_include "ifaddrs.h" ; then
2872   have_ifaddrs_h=no
2873 fi
2874
2875 ##########################################
2876 # VTE probe
2877
2878 if test "$vte" != "no"; then
2879     vteminversion="0.32.0"
2880     if $pkg_config --exists "vte-2.91"; then
2881       vtepackage="vte-2.91"
2882     else
2883       vtepackage="vte-2.90"
2884     fi
2885     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2886         vte_cflags=$($pkg_config --cflags $vtepackage)
2887         vte_libs=$($pkg_config --libs $vtepackage)
2888         vteversion=$($pkg_config --modversion $vtepackage)
2889         vte="yes"
2890     elif test "$vte" = "yes"; then
2891         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2892     else
2893         vte="no"
2894     fi
2895 fi
2896
2897 ##########################################
2898 # SDL probe
2899
2900 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2901 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2902
2903 sdl_probe ()
2904 {
2905   if $pkg_config sdl2 --exists; then
2906     sdlconfig="$pkg_config sdl2"
2907     sdlversion=$($sdlconfig --modversion 2>/dev/null)
2908   elif has ${sdl_config}; then
2909     sdlconfig="$sdl2_config"
2910     sdlversion=$($sdlconfig --version)
2911   else
2912     if test "$sdl" = "yes" ; then
2913       feature_not_found "sdl" "Install SDL2-devel"
2914     fi
2915     sdl=no
2916     # no need to do the rest
2917     return
2918   fi
2919   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2920     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2921   fi
2922
2923   cat > $TMPC << EOF
2924 #include <SDL.h>
2925 #undef main /* We don't want SDL to override our main() */
2926 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2927 EOF
2928   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2929   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
2930   if test "$static" = "yes" ; then
2931     if $pkg_config sdl2 --exists; then
2932       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
2933     else
2934       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
2935     fi
2936   else
2937     sdl_libs=$($sdlconfig --libs 2>/dev/null)
2938   fi
2939   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2940     sdl=yes
2941
2942     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2943     if test "$sdl" = "yes" -a "$static" = "yes" ; then
2944       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2945          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
2946          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
2947       fi
2948       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2949         :
2950       else
2951         sdl=no
2952       fi
2953     fi # static link
2954   else # sdl not found
2955     if test "$sdl" = "yes" ; then
2956       feature_not_found "sdl" "Install SDL2 devel"
2957     fi
2958     sdl=no
2959   fi # sdl compile test
2960 }
2961
2962 sdl_image_probe ()
2963 {
2964     if test "$sdl_image" != "no" ; then
2965         if $pkg_config SDL2_image --exists; then
2966             if test "$static" = "yes"; then
2967                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
2968             else
2969                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
2970             fi
2971             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
2972             sdl_image=yes
2973
2974             sdl_cflags="$sdl_cflags $sdl_image_cflags"
2975             sdl_libs="$sdl_libs $sdl_image_libs"
2976         else
2977             if test "$sdl_image" = "yes" ; then
2978                 feature_not_found "sdl_image" "Install SDL Image devel"
2979             else
2980                 sdl_image=no
2981             fi
2982         fi
2983     fi
2984 }
2985
2986 if test "$sdl" != "no" ; then
2987   sdl_probe
2988 fi
2989
2990 if test "$sdl" = "yes" ; then
2991   sdl_image_probe
2992 else
2993   if test "$sdl_image" = "yes"; then
2994     echo "warning: SDL Image requested, but SDL is not available, disabling"
2995   fi
2996   sdl_image=no
2997 fi
2998
2999 if test "$sdl" = "yes" ; then
3000   cat > $TMPC <<EOF
3001 #include <SDL.h>
3002 #if defined(SDL_VIDEO_DRIVER_X11)
3003 #include <X11/XKBlib.h>
3004 #else
3005 #error No x11 support
3006 #endif
3007 int main(void) { return 0; }
3008 EOF
3009   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3010     need_x11=yes
3011     sdl_cflags="$sdl_cflags $x11_cflags"
3012     sdl_libs="$sdl_libs $x11_libs"
3013   fi
3014 fi
3015
3016 ##########################################
3017 # RDMA needs OpenFabrics libraries
3018 if test "$rdma" != "no" ; then
3019   cat > $TMPC <<EOF
3020 #include <rdma/rdma_cma.h>
3021 int main(void) { return 0; }
3022 EOF
3023   rdma_libs="-lrdmacm -libverbs -libumad"
3024   if compile_prog "" "$rdma_libs" ; then
3025     rdma="yes"
3026     libs_softmmu="$libs_softmmu $rdma_libs"
3027   else
3028     if test "$rdma" = "yes" ; then
3029         error_exit \
3030             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3031             " Your options:" \
3032             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3033             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3034             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3035     fi
3036     rdma="no"
3037   fi
3038 fi
3039
3040 ##########################################
3041 # PVRDMA detection
3042
3043 cat > $TMPC <<EOF &&
3044 #include <sys/mman.h>
3045
3046 int
3047 main(void)
3048 {
3049     char buf = 0;
3050     void *addr = &buf;
3051     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3052
3053     return 0;
3054 }
3055 EOF
3056
3057 if test "$rdma" = "yes" ; then
3058     case "$pvrdma" in
3059     "")
3060         if compile_prog "" ""; then
3061             pvrdma="yes"
3062         else
3063             pvrdma="no"
3064         fi
3065         ;;
3066     "yes")
3067         if ! compile_prog "" ""; then
3068             error_exit "PVRDMA is not supported since mremap is not implemented"
3069         fi
3070         pvrdma="yes"
3071         ;;
3072     "no")
3073         pvrdma="no"
3074         ;;
3075     esac
3076 else
3077     if test "$pvrdma" = "yes" ; then
3078         error_exit "PVRDMA requires rdma suppport"
3079     fi
3080     pvrdma="no"
3081 fi
3082
3083 ##########################################
3084 # VNC SASL detection
3085 if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then
3086   cat > $TMPC <<EOF
3087 #include <sasl/sasl.h>
3088 #include <stdio.h>
3089 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3090 EOF
3091   # Assuming Cyrus-SASL installed in /usr prefix
3092   vnc_sasl_cflags=""
3093   vnc_sasl_libs="-lsasl2"
3094   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3095     vnc_sasl=yes
3096     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3097     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3098   else
3099     if test "$vnc_sasl" = "yes" ; then
3100       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3101     fi
3102     vnc_sasl=no
3103   fi
3104 fi
3105
3106 ##########################################
3107 # VNC JPEG detection
3108 if test "$vnc" = "yes" -a "$vnc_jpeg" != "no" ; then
3109 cat > $TMPC <<EOF
3110 #include <stdio.h>
3111 #include <jpeglib.h>
3112 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3113 EOF
3114     vnc_jpeg_cflags=""
3115     vnc_jpeg_libs="-ljpeg"
3116   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3117     vnc_jpeg=yes
3118     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3119     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3120   else
3121     if test "$vnc_jpeg" = "yes" ; then
3122       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3123     fi
3124     vnc_jpeg=no
3125   fi
3126 fi
3127
3128 ##########################################
3129 # VNC PNG detection
3130 if test "$vnc" = "yes" -a "$vnc_png" != "no" ; then
3131 cat > $TMPC <<EOF
3132 //#include <stdio.h>
3133 #include <png.h>
3134 #include <stddef.h>
3135 int main(void) {
3136     png_structp png_ptr;
3137     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3138     return png_ptr != 0;
3139 }
3140 EOF
3141   if $pkg_config libpng --exists; then
3142     vnc_png_cflags=$($pkg_config libpng --cflags)
3143     vnc_png_libs=$($pkg_config libpng --libs)
3144   else
3145     vnc_png_cflags=""
3146     vnc_png_libs="-lpng"
3147   fi
3148   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3149     vnc_png=yes
3150     libs_softmmu="$vnc_png_libs $libs_softmmu"
3151     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3152   else
3153     if test "$vnc_png" = "yes" ; then
3154       feature_not_found "vnc-png" "Install libpng devel"
3155     fi
3156     vnc_png=no
3157   fi
3158 fi
3159
3160 ##########################################
3161 # xkbcommon probe
3162 if test "$xkbcommon" != "no" ; then
3163   if $pkg_config xkbcommon --exists; then
3164     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3165     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3166     xkbcommon=yes
3167   else
3168     if test "$xkbcommon" = "yes" ; then
3169       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3170     fi
3171     xkbcommon=no
3172   fi
3173 fi
3174
3175 ##########################################
3176 # fnmatch() probe, used for ACL routines
3177 fnmatch="no"
3178 cat > $TMPC << EOF
3179 #include <fnmatch.h>
3180 int main(void)
3181 {
3182     fnmatch("foo", "foo", 0);
3183     return 0;
3184 }
3185 EOF
3186 if compile_prog "" "" ; then
3187    fnmatch="yes"
3188 fi
3189
3190 ##########################################
3191 # xfsctl() probe, used for file-posix.c
3192 if test "$xfs" != "no" ; then
3193   cat > $TMPC << EOF
3194 #include <stddef.h>  /* NULL */
3195 #include <xfs/xfs.h>
3196 int main(void)
3197 {
3198     xfsctl(NULL, 0, 0, NULL);
3199     return 0;
3200 }
3201 EOF
3202   if compile_prog "" "" ; then
3203     xfs="yes"
3204   else
3205     if test "$xfs" = "yes" ; then
3206       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3207     fi
3208     xfs=no
3209   fi
3210 fi
3211
3212 ##########################################
3213 # vde libraries probe
3214 if test "$vde" != "no" ; then
3215   vde_libs="-lvdeplug"
3216   cat > $TMPC << EOF
3217 #include <libvdeplug.h>
3218 int main(void)
3219 {
3220     struct vde_open_args a = {0, 0, 0};
3221     char s[] = "";
3222     vde_open(s, s, &a);
3223     return 0;
3224 }
3225 EOF
3226   if compile_prog "" "$vde_libs" ; then
3227     vde=yes
3228   else
3229     if test "$vde" = "yes" ; then
3230       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3231     fi
3232     vde=no
3233   fi
3234 fi
3235
3236 ##########################################
3237 # netmap support probe
3238 # Apart from looking for netmap headers, we make sure that the host API version
3239 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3240 # a minor/major version number. Minor new features will be marked with values up
3241 # to 15, and if something happens that requires a change to the backend we will
3242 # move above 15, submit the backend fixes and modify this two bounds.
3243 if test "$netmap" != "no" ; then
3244   cat > $TMPC << EOF
3245 #include <inttypes.h>
3246 #include <net/if.h>
3247 #include <net/netmap.h>
3248 #include <net/netmap_user.h>
3249 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3250 #error
3251 #endif
3252 int main(void) { return 0; }
3253 EOF
3254   if compile_prog "" "" ; then
3255     netmap=yes
3256   else
3257     if test "$netmap" = "yes" ; then
3258       feature_not_found "netmap"
3259     fi
3260     netmap=no
3261   fi
3262 fi
3263
3264 ##########################################
3265 # libcap-ng library probe
3266 if test "$cap_ng" != "no" ; then
3267   cap_libs="-lcap-ng"
3268   cat > $TMPC << EOF
3269 #include <cap-ng.h>
3270 int main(void)
3271 {
3272     capng_capability_to_name(CAPNG_EFFECTIVE);
3273     return 0;
3274 }
3275 EOF
3276   if compile_prog "" "$cap_libs" ; then
3277     cap_ng=yes
3278     libs_tools="$cap_libs $libs_tools"
3279   else
3280     if test "$cap_ng" = "yes" ; then
3281       feature_not_found "cap_ng" "Install libcap-ng devel"
3282     fi
3283     cap_ng=no
3284   fi
3285 fi
3286
3287 ##########################################
3288 # Sound support libraries probe
3289
3290 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3291 for drv in $audio_drv_list; do
3292     case $drv in
3293     alsa | try-alsa)
3294     if $pkg_config alsa --exists; then
3295         alsa_libs=$($pkg_config alsa --libs)
3296         if test "$drv" = "try-alsa"; then
3297             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3298         fi
3299     else
3300         if test "$drv" = "try-alsa"; then
3301             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3302         else
3303             error_exit "$drv check failed" \
3304                 "Make sure to have the $drv libs and headers installed."
3305         fi
3306     fi
3307     ;;
3308
3309     pa | try-pa)
3310     if $pkg_config libpulse --exists; then
3311         pulse_libs=$($pkg_config libpulse --libs)
3312         audio_pt_int="yes"
3313         if test "$drv" = "try-pa"; then
3314             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3315         fi
3316     else
3317         if test "$drv" = "try-pa"; then
3318             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3319         else
3320             error_exit "$drv check failed" \
3321                 "Make sure to have the $drv libs and headers installed."
3322         fi
3323     fi
3324     ;;
3325
3326     sdl)
3327     if test "$sdl" = "no"; then
3328         error_exit "sdl not found or disabled, can not use sdl audio driver"
3329     fi
3330     ;;
3331
3332     try-sdl)
3333     if test "$sdl" = "no"; then
3334         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3335     else
3336         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3337     fi
3338     ;;
3339
3340     coreaudio)
3341       coreaudio_libs="-framework CoreAudio"
3342     ;;
3343
3344     dsound)
3345       dsound_libs="-lole32 -ldxguid"
3346       audio_win_int="yes"
3347     ;;
3348
3349     oss)
3350       oss_libs="$oss_lib"
3351     ;;
3352
3353     wav)
3354     # XXX: Probes for CoreAudio, DirectSound
3355     ;;
3356
3357     *)
3358     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3359         error_exit "Unknown driver '$drv' selected" \
3360             "Possible drivers are: $audio_possible_drivers"
3361     }
3362     ;;
3363     esac
3364 done
3365
3366 ##########################################
3367 # BrlAPI probe
3368
3369 if test "$brlapi" != "no" ; then
3370   brlapi_libs="-lbrlapi"
3371   cat > $TMPC << EOF
3372 #include <brlapi.h>
3373 #include <stddef.h>
3374 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3375 EOF
3376   if compile_prog "" "$brlapi_libs" ; then
3377     brlapi=yes
3378   else
3379     if test "$brlapi" = "yes" ; then
3380       feature_not_found "brlapi" "Install brlapi devel"
3381     fi
3382     brlapi=no
3383   fi
3384 fi
3385
3386 ##########################################
3387 # curses probe
3388 if test "$curses" != "no" ; then
3389   if test "$mingw32" = "yes" ; then
3390     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3391     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3392   else
3393     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3394     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3395   fi
3396   curses_found=no
3397   cat > $TMPC << EOF
3398 #include <locale.h>
3399 #include <curses.h>
3400 #include <wchar.h>
3401 int main(void) {
3402   wchar_t wch = L'w';
3403   setlocale(LC_ALL, "");
3404   resize_term(0, 0);
3405   addwstr(L"wide chars\n");
3406   addnwstr(&wch, 1);
3407   add_wch(WACS_DEGREE);
3408   return 0;
3409 }
3410 EOF
3411   IFS=:
3412   for curses_inc in $curses_inc_list; do
3413     # Make sure we get the wide character prototypes
3414     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3415     IFS=:
3416     for curses_lib in $curses_lib_list; do
3417       unset IFS
3418       if compile_prog "$curses_inc" "$curses_lib" ; then
3419         curses_found=yes
3420         break
3421       fi
3422     done
3423     if test "$curses_found" = yes ; then
3424       break
3425     fi
3426   done
3427   unset IFS
3428   if test "$curses_found" = "yes" ; then
3429     curses=yes
3430   else
3431     if test "$curses" = "yes" ; then
3432       feature_not_found "curses" "Install ncurses devel"
3433     fi
3434     curses=no
3435   fi
3436 fi
3437
3438 ##########################################
3439 # curl probe
3440 if test "$curl" != "no" ; then
3441   if $pkg_config libcurl --exists; then
3442     curlconfig="$pkg_config libcurl"
3443   else
3444     curlconfig=curl-config
3445   fi
3446   cat > $TMPC << EOF
3447 #include <curl/curl.h>
3448 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3449 EOF
3450   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3451   curl_libs=$($curlconfig --libs 2>/dev/null)
3452   if compile_prog "$curl_cflags" "$curl_libs" ; then
3453     curl=yes
3454   else
3455     if test "$curl" = "yes" ; then
3456       feature_not_found "curl" "Install libcurl devel"
3457     fi
3458     curl=no
3459   fi
3460 fi # test "$curl"
3461
3462 ##########################################
3463 # bluez support probe
3464 if test "$bluez" != "no" ; then
3465   cat > $TMPC << EOF
3466 #include <bluetooth/bluetooth.h>
3467 int main(void) { return bt_error(0); }
3468 EOF
3469   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3470   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3471   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3472     bluez=yes
3473     libs_softmmu="$bluez_libs $libs_softmmu"
3474   else
3475     if test "$bluez" = "yes" ; then
3476       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3477     fi
3478     bluez="no"
3479   fi
3480 fi
3481
3482 ##########################################
3483 # glib support probe
3484
3485 glib_req_ver=2.40
3486 glib_modules=gthread-2.0
3487 if test "$modules" = yes; then
3488     glib_modules="$glib_modules gmodule-export-2.0"
3489 fi
3490
3491 # This workaround is required due to a bug in pkg-config file for glib as it
3492 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3493
3494 if test "$static" = yes -a "$mingw32" = yes; then
3495     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3496 fi
3497
3498 for i in $glib_modules; do
3499     if $pkg_config --atleast-version=$glib_req_ver $i; then
3500         glib_cflags=$($pkg_config --cflags $i)
3501         glib_libs=$($pkg_config --libs $i)
3502         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3503         LIBS="$glib_libs $LIBS"
3504         libs_qga="$glib_libs $libs_qga"
3505     else
3506         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3507     fi
3508 done
3509
3510 # Sanity check that the current size_t matches the
3511 # size that glib thinks it should be. This catches
3512 # problems on multi-arch where people try to build
3513 # 32-bit QEMU while pointing at 64-bit glib headers
3514 cat > $TMPC <<EOF
3515 #include <glib.h>
3516 #include <unistd.h>
3517
3518 #define QEMU_BUILD_BUG_ON(x) \
3519   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3520
3521 int main(void) {
3522    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3523    return 0;
3524 }
3525 EOF
3526
3527 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3528     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3529                "You probably need to set PKG_CONFIG_LIBDIR"\
3530                "to point to the right pkg-config files for your"\
3531                "build target"
3532 fi
3533
3534 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3535 cat > $TMPC << EOF
3536 #include <glib.h>
3537 int main(void) { return 0; }
3538 EOF
3539 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3540     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3541         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3542         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3543     fi
3544 fi
3545
3546 #########################################
3547 # zlib check
3548
3549 if test "$zlib" != "no" ; then
3550     if $pkg_config --exists zlib; then
3551         zlib_cflags=$($pkg_config --cflags zlib)
3552         zlib_libs=$($pkg_config --libs zlib)
3553         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3554         LIBS="$zlib_libs $LIBS"
3555     else
3556         cat > $TMPC << EOF
3557 #include <zlib.h>
3558 int main(void) { zlibVersion(); return 0; }
3559 EOF
3560         if compile_prog "" "-lz" ; then
3561             LIBS="$LIBS -lz"
3562         else
3563             error_exit "zlib check failed" \
3564                 "Make sure to have the zlib libs and headers installed."
3565         fi
3566     fi
3567 fi
3568
3569 ##########################################
3570 # SHA command probe for modules
3571 if test "$modules" = yes; then
3572     shacmd_probe="sha1sum sha1 shasum"
3573     for c in $shacmd_probe; do
3574         if has $c; then
3575             shacmd="$c"
3576             break
3577         fi
3578     done
3579     if test "$shacmd" = ""; then
3580         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3581     fi
3582 fi
3583
3584 ##########################################
3585 # pixman support probe
3586
3587 if test "$want_tools" = "no" -a "$softmmu" = "no"; then
3588   pixman_cflags=
3589   pixman_libs=
3590 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3591   pixman_cflags=$($pkg_config --cflags pixman-1)
3592   pixman_libs=$($pkg_config --libs pixman-1)
3593 else
3594   error_exit "pixman >= 0.21.8 not present." \
3595       "Please install the pixman devel package."
3596 fi
3597
3598 ##########################################
3599 # libmpathpersist probe
3600
3601 if test "$mpath" != "no" ; then
3602   # probe for the new API
3603   cat > $TMPC <<EOF
3604 #include <libudev.h>
3605 #include <mpath_persist.h>
3606 unsigned mpath_mx_alloc_len = 1024;
3607 int logsink;
3608 static struct config *multipath_conf;
3609 extern struct udev *udev;
3610 extern struct config *get_multipath_config(void);
3611 extern void put_multipath_config(struct config *conf);
3612 struct udev *udev;
3613 struct config *get_multipath_config(void) { return multipath_conf; }
3614 void put_multipath_config(struct config *conf) { }
3615
3616 int main(void) {
3617     udev = udev_new();
3618     multipath_conf = mpath_lib_init();
3619     return 0;
3620 }
3621 EOF
3622   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3623     mpathpersist=yes
3624     mpathpersist_new_api=yes
3625   else
3626     # probe for the old API
3627     cat > $TMPC <<EOF
3628 #include <libudev.h>
3629 #include <mpath_persist.h>
3630 unsigned mpath_mx_alloc_len = 1024;
3631 int logsink;
3632 int main(void) {
3633     struct udev *udev = udev_new();
3634     mpath_lib_init(udev);
3635     return 0;
3636 }
3637 EOF
3638     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3639       mpathpersist=yes
3640       mpathpersist_new_api=no
3641     else
3642       mpathpersist=no
3643     fi
3644   fi
3645 else
3646   mpathpersist=no
3647 fi
3648
3649 ##########################################
3650 # libcap probe
3651
3652 if test "$cap" != "no" ; then
3653   cat > $TMPC <<EOF
3654 #include <stdio.h>
3655 #include <sys/capability.h>
3656 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3657 EOF
3658   if compile_prog "" "-lcap" ; then
3659     cap=yes
3660   else
3661     cap=no
3662   fi
3663 fi
3664
3665 ##########################################
3666 # pthread probe
3667 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3668
3669 pthread=no
3670 cat > $TMPC << EOF
3671 #include <pthread.h>
3672 static void *f(void *p) { return NULL; }
3673 int main(void) {
3674   pthread_t thread;
3675   pthread_create(&thread, 0, f, 0);
3676   return 0;
3677 }
3678 EOF
3679 if compile_prog "" "" ; then
3680   pthread=yes
3681 else
3682   for pthread_lib in $PTHREADLIBS_LIST; do
3683     if compile_prog "" "$pthread_lib" ; then
3684       pthread=yes
3685       found=no
3686       for lib_entry in $LIBS; do
3687         if test "$lib_entry" = "$pthread_lib"; then
3688           found=yes
3689           break
3690         fi
3691       done
3692       if test "$found" = "no"; then
3693         LIBS="$pthread_lib $LIBS"
3694         libs_qga="$pthread_lib $libs_qga"
3695       fi
3696       PTHREAD_LIB="$pthread_lib"
3697       break
3698     fi
3699   done
3700 fi
3701
3702 if test "$mingw32" != yes -a "$pthread" = no; then
3703   error_exit "pthread check failed" \
3704       "Make sure to have the pthread libs and headers installed."
3705 fi
3706
3707 # check for pthread_setname_np with thread id
3708 pthread_setname_np_w_tid=no
3709 cat > $TMPC << EOF
3710 #include <pthread.h>
3711
3712 static void *f(void *p) { return NULL; }
3713 int main(void)
3714 {
3715     pthread_t thread;
3716     pthread_create(&thread, 0, f, 0);
3717     pthread_setname_np(thread, "QEMU");
3718     return 0;
3719 }
3720 EOF
3721 if compile_prog "" "$pthread_lib" ; then
3722   pthread_setname_np_w_tid=yes
3723 fi
3724
3725 # check for pthread_setname_np without thread id
3726 pthread_setname_np_wo_tid=no
3727 cat > $TMPC << EOF
3728 #include <pthread.h>
3729
3730 static void *f(void *p) { pthread_setname_np("QEMU"); }
3731 int main(void)
3732 {
3733     pthread_t thread;
3734     pthread_create(&thread, 0, f, 0);
3735     return 0;
3736 }
3737 EOF
3738 if compile_prog "" "$pthread_lib" ; then
3739   pthread_setname_np_wo_tid=yes
3740 fi
3741
3742 ##########################################
3743 # rbd probe
3744 if test "$rbd" != "no" ; then
3745   cat > $TMPC <<EOF
3746 #include <stdio.h>
3747 #include <rbd/librbd.h>
3748 int main(void) {
3749     rados_t cluster;
3750     rados_create(&cluster, NULL);
3751     return 0;
3752 }
3753 EOF
3754   rbd_libs="-lrbd -lrados"
3755   if compile_prog "" "$rbd_libs" ; then
3756     rbd=yes
3757   else
3758     if test "$rbd" = "yes" ; then
3759       feature_not_found "rados block device" "Install librbd/ceph devel"
3760     fi
3761     rbd=no
3762   fi
3763 fi
3764
3765 ##########################################
3766 # libssh2 probe
3767 min_libssh2_version=1.2.8
3768 if test "$libssh2" != "no" ; then
3769   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3770     libssh2_cflags=$($pkg_config libssh2 --cflags)
3771     libssh2_libs=$($pkg_config libssh2 --libs)
3772     libssh2=yes
3773   else
3774     if test "$libssh2" = "yes" ; then
3775       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3776     fi
3777     libssh2=no
3778   fi
3779 fi
3780
3781 ##########################################
3782 # libssh2_sftp_fsync probe
3783
3784 if test "$libssh2" = "yes"; then
3785   cat > $TMPC <<EOF
3786 #include <stdio.h>
3787 #include <libssh2.h>
3788 #include <libssh2_sftp.h>
3789 int main(void) {
3790     LIBSSH2_SESSION *session;
3791     LIBSSH2_SFTP *sftp;
3792     LIBSSH2_SFTP_HANDLE *sftp_handle;
3793     session = libssh2_session_init ();
3794     sftp = libssh2_sftp_init (session);
3795     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3796     libssh2_sftp_fsync (sftp_handle);
3797     return 0;
3798 }
3799 EOF
3800   # libssh2_cflags/libssh2_libs defined in previous test.
3801   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3802     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3803   fi
3804 fi
3805
3806 ##########################################
3807 # linux-aio probe
3808
3809 if test "$linux_aio" != "no" ; then
3810   cat > $TMPC <<EOF
3811 #include <libaio.h>
3812 #include <sys/eventfd.h>
3813 #include <stddef.h>
3814 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3815 EOF
3816   if compile_prog "" "-laio" ; then
3817     linux_aio=yes
3818   else
3819     if test "$linux_aio" = "yes" ; then
3820       feature_not_found "linux AIO" "Install libaio devel"
3821     fi
3822     linux_aio=no
3823   fi
3824 fi
3825
3826 ##########################################
3827 # TPM passthrough is only on x86 Linux
3828
3829 if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
3830   tpm_passthrough=$tpm
3831 else
3832   tpm_passthrough=no
3833 fi
3834
3835 # TPM emulator is for all posix systems
3836 if test "$mingw32" != "yes"; then
3837   tpm_emulator=$tpm
3838 else
3839   tpm_emulator=no
3840 fi
3841 ##########################################
3842 # attr probe
3843
3844 if test "$attr" != "no" ; then
3845   cat > $TMPC <<EOF
3846 #include <stdio.h>
3847 #include <sys/types.h>
3848 #ifdef CONFIG_LIBATTR
3849 #include <attr/xattr.h>
3850 #else
3851 #include <sys/xattr.h>
3852 #endif
3853 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3854 EOF
3855   if compile_prog "" "" ; then
3856     attr=yes
3857   # Older distros have <attr/xattr.h>, and need -lattr:
3858   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3859     attr=yes
3860     LIBS="-lattr $LIBS"
3861     libattr=yes
3862   else
3863     if test "$attr" = "yes" ; then
3864       feature_not_found "ATTR" "Install libc6 or libattr devel"
3865     fi
3866     attr=no
3867   fi
3868 fi
3869
3870 ##########################################
3871 # iovec probe
3872 cat > $TMPC <<EOF
3873 #include <sys/types.h>
3874 #include <sys/uio.h>
3875 #include <unistd.h>
3876 int main(void) { return sizeof(struct iovec); }
3877 EOF
3878 iovec=no
3879 if compile_prog "" "" ; then
3880   iovec=yes
3881 fi
3882
3883 ##########################################
3884 # preadv probe
3885 cat > $TMPC <<EOF
3886 #include <sys/types.h>
3887 #include <sys/uio.h>
3888 #include <unistd.h>
3889 int main(void) { return preadv(0, 0, 0, 0); }
3890 EOF
3891 preadv=no
3892 if compile_prog "" "" ; then
3893   preadv=yes
3894 fi
3895
3896 ##########################################
3897 # fdt probe
3898 # fdt support is mandatory for at least some target architectures,
3899 # so insist on it if we're building those system emulators.
3900 fdt_required=no
3901 for target in $target_list; do
3902   case $target in
3903     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
3904       fdt_required=yes
3905     ;;
3906   esac
3907 done
3908
3909 if test "$fdt_required" = "yes"; then
3910   if test "$fdt" = "no"; then
3911     error_exit "fdt disabled but some requested targets require it." \
3912       "You can turn off fdt only if you also disable all the system emulation" \
3913       "targets which need it (by specifying a cut down --target-list)."
3914   fi
3915   fdt=yes
3916 fi
3917
3918 if test "$fdt" != "no" ; then
3919   fdt_libs="-lfdt"
3920   # explicitly check for libfdt_env.h as it is missing in some stable installs
3921   # and test for required functions to make sure we are on a version >= 1.4.2
3922   cat > $TMPC << EOF
3923 #include <libfdt.h>
3924 #include <libfdt_env.h>
3925 int main(void) { fdt_check_full(NULL, 0); return 0; }
3926 EOF
3927   if compile_prog "" "$fdt_libs" ; then
3928     # system DTC is good - use it
3929     fdt=system
3930   else
3931       # have GIT checkout, so activate dtc submodule
3932       if test -e "${source_path}/.git" ; then
3933           git_submodules="${git_submodules} dtc"
3934       fi
3935       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
3936           fdt=git
3937           mkdir -p dtc
3938           if [ "$pwd_is_source_path" != "y" ] ; then
3939               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3940               symlink "$source_path/dtc/scripts" "dtc/scripts"
3941           fi
3942           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3943           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
3944           fdt_libs="$fdt_libs"
3945       elif test "$fdt" = "yes" ; then
3946           # Not a git build & no libfdt found, prompt for system install
3947           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
3948                      "Please install the DTC (libfdt) devel package"
3949       else
3950           # don't have and don't want
3951           fdt_libs=
3952           fdt=no
3953       fi
3954   fi
3955 fi
3956
3957 libs_softmmu="$libs_softmmu $fdt_libs"
3958
3959 ##########################################
3960 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3961
3962 if test "$opengl" != "no" ; then
3963   opengl_pkgs="epoxy gbm"
3964   if $pkg_config $opengl_pkgs; then
3965     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
3966     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
3967     opengl=yes
3968     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3969         gtk_gl="yes"
3970     fi
3971     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
3972   else
3973     if test "$opengl" = "yes" ; then
3974       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3975     fi
3976     opengl_cflags=""
3977     opengl_libs=""
3978     opengl=no
3979   fi
3980 fi
3981
3982 if test "$opengl" = "yes"; then
3983   cat > $TMPC << EOF
3984 #include <epoxy/egl.h>
3985 #ifndef EGL_MESA_image_dma_buf_export
3986 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3987 #endif
3988 int main(void) { return 0; }
3989 EOF
3990   if compile_prog "" "" ; then
3991     opengl_dmabuf=yes
3992   fi
3993 fi
3994
3995 if test "$opengl" = "yes" -a "$have_x11" = "yes"; then
3996   for target in $target_list; do
3997     case $target in
3998       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
3999         need_x11=yes
4000       ;;
4001     esac
4002   done
4003 fi
4004
4005 ##########################################
4006 # libxml2 probe
4007 if test "$libxml2" != "no" ; then
4008     if $pkg_config --exists libxml-2.0; then
4009         libxml2="yes"
4010         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4011         libxml2_libs=$($pkg_config --libs libxml-2.0)
4012     else
4013         if test "$libxml2" = "yes"; then
4014             feature_not_found "libxml2" "Install libxml2 devel"
4015         fi
4016         libxml2="no"
4017     fi
4018 fi
4019
4020 ##########################################
4021 # glusterfs probe
4022 if test "$glusterfs" != "no" ; then
4023   if $pkg_config --atleast-version=3 glusterfs-api; then
4024     glusterfs="yes"
4025     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4026     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4027     if $pkg_config --atleast-version=4 glusterfs-api; then
4028       glusterfs_xlator_opt="yes"
4029     fi
4030     if $pkg_config --atleast-version=5 glusterfs-api; then
4031       glusterfs_discard="yes"
4032     fi
4033     if $pkg_config --atleast-version=6 glusterfs-api; then
4034       glusterfs_fallocate="yes"
4035       glusterfs_zerofill="yes"
4036     fi
4037   else
4038     if test "$glusterfs" = "yes" ; then
4039       feature_not_found "GlusterFS backend support" \
4040           "Install glusterfs-api devel >= 3"
4041     fi
4042     glusterfs="no"
4043   fi
4044 fi
4045
4046 # Check for inotify functions when we are building linux-user
4047 # emulator.  This is done because older glibc versions don't
4048 # have syscall stubs for these implemented.  In that case we
4049 # don't provide them even if kernel supports them.
4050 #
4051 inotify=no
4052 cat > $TMPC << EOF
4053 #include <sys/inotify.h>
4054
4055 int
4056 main(void)
4057 {
4058         /* try to start inotify */
4059         return inotify_init();
4060 }
4061 EOF
4062 if compile_prog "" "" ; then
4063   inotify=yes
4064 fi
4065
4066 inotify1=no
4067 cat > $TMPC << EOF
4068 #include <sys/inotify.h>
4069
4070 int
4071 main(void)
4072 {
4073     /* try to start inotify */
4074     return inotify_init1(0);
4075 }
4076 EOF
4077 if compile_prog "" "" ; then
4078   inotify1=yes
4079 fi
4080
4081 # check if pipe2 is there
4082 pipe2=no
4083 cat > $TMPC << EOF
4084 #include <unistd.h>
4085 #include <fcntl.h>
4086
4087 int main(void)
4088 {
4089     int pipefd[2];
4090     return pipe2(pipefd, O_CLOEXEC);
4091 }
4092 EOF
4093 if compile_prog "" "" ; then
4094   pipe2=yes
4095 fi
4096
4097 # check if accept4 is there
4098 accept4=no
4099 cat > $TMPC << EOF
4100 #include <sys/socket.h>
4101 #include <stddef.h>
4102
4103 int main(void)
4104 {
4105     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4106     return 0;
4107 }
4108 EOF
4109 if compile_prog "" "" ; then
4110   accept4=yes
4111 fi
4112
4113 # check if tee/splice is there. vmsplice was added same time.
4114 splice=no
4115 cat > $TMPC << EOF
4116 #include <unistd.h>
4117 #include <fcntl.h>
4118 #include <limits.h>
4119
4120 int main(void)
4121 {
4122     int len, fd = 0;
4123     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4124     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4125     return 0;
4126 }
4127 EOF
4128 if compile_prog "" "" ; then
4129   splice=yes
4130 fi
4131
4132 ##########################################
4133 # libnuma probe
4134
4135 if test "$numa" != "no" ; then
4136   cat > $TMPC << EOF
4137 #include <numa.h>
4138 int main(void) { return numa_available(); }
4139 EOF
4140
4141   if compile_prog "" "-lnuma" ; then
4142     numa=yes
4143     libs_softmmu="-lnuma $libs_softmmu"
4144   else
4145     if test "$numa" = "yes" ; then
4146       feature_not_found "numa" "install numactl devel"
4147     fi
4148     numa=no
4149   fi
4150 fi
4151
4152 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4153     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4154     exit 1
4155 fi
4156
4157 # Even if malloc_trim() is available, these non-libc memory allocators
4158 # do not support it.
4159 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4160     if test "$malloc_trim" = "yes" ; then
4161         echo "Disabling malloc_trim with non-libc memory allocator"
4162     fi
4163     malloc_trim="no"
4164 fi
4165
4166 #######################################
4167 # malloc_trim
4168
4169 if test "$malloc_trim" != "no" ; then
4170     cat > $TMPC << EOF
4171 #include <malloc.h>
4172 int main(void) { malloc_trim(0); return 0; }
4173 EOF
4174     if compile_prog "" "" ; then
4175         malloc_trim="yes"
4176     else
4177         malloc_trim="no"
4178     fi
4179 fi
4180
4181 ##########################################
4182 # tcmalloc probe
4183
4184 if test "$tcmalloc" = "yes" ; then
4185   cat > $TMPC << EOF
4186 #include <stdlib.h>
4187 int main(void) { malloc(1); return 0; }
4188 EOF
4189
4190   if compile_prog "" "-ltcmalloc" ; then
4191     LIBS="-ltcmalloc $LIBS"
4192   else
4193     feature_not_found "tcmalloc" "install gperftools devel"
4194   fi
4195 fi
4196
4197 ##########################################
4198 # jemalloc probe
4199
4200 if test "$jemalloc" = "yes" ; then
4201   cat > $TMPC << EOF
4202 #include <stdlib.h>
4203 int main(void) { malloc(1); return 0; }
4204 EOF
4205
4206   if compile_prog "" "-ljemalloc" ; then
4207     LIBS="-ljemalloc $LIBS"
4208   else
4209     feature_not_found "jemalloc" "install jemalloc devel"
4210   fi
4211 fi
4212
4213 ##########################################
4214 # signalfd probe
4215 signalfd="no"
4216 cat > $TMPC << EOF
4217 #include <unistd.h>
4218 #include <sys/syscall.h>
4219 #include <signal.h>
4220 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4221 EOF
4222
4223 if compile_prog "" "" ; then
4224   signalfd=yes
4225 fi
4226
4227 # check if optreset global is declared by <getopt.h>
4228 optreset="no"
4229 cat > $TMPC << EOF
4230 #include <getopt.h>
4231 int main(void) { return optreset; }
4232 EOF
4233
4234 if compile_prog "" "" ; then
4235   optreset=yes
4236 fi
4237
4238 # check if eventfd is supported
4239 eventfd=no
4240 cat > $TMPC << EOF
4241 #include <sys/eventfd.h>
4242
4243 int main(void)
4244 {
4245     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4246 }
4247 EOF
4248 if compile_prog "" "" ; then
4249   eventfd=yes
4250 fi
4251
4252 # check if memfd is supported
4253 memfd=no
4254 cat > $TMPC << EOF
4255 #include <sys/mman.h>
4256
4257 int main(void)
4258 {
4259     return memfd_create("foo", MFD_ALLOW_SEALING);
4260 }
4261 EOF
4262 if compile_prog "" "" ; then
4263   memfd=yes
4264 fi
4265
4266 # check for usbfs
4267 have_usbfs=no
4268 if test "$linux_user" = "yes"; then
4269   if check_include linux/usbdevice_fs.h; then
4270     have_usbfs=yes
4271   fi
4272   have_usbfs=yes
4273 fi
4274
4275 # check for fallocate
4276 fallocate=no
4277 cat > $TMPC << EOF
4278 #include <fcntl.h>
4279
4280 int main(void)
4281 {
4282     fallocate(0, 0, 0, 0);
4283     return 0;
4284 }
4285 EOF
4286 if compile_prog "" "" ; then
4287   fallocate=yes
4288 fi
4289
4290 # check for fallocate hole punching
4291 fallocate_punch_hole=no
4292 cat > $TMPC << EOF
4293 #include <fcntl.h>
4294 #include <linux/falloc.h>
4295
4296 int main(void)
4297 {
4298     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4299     return 0;
4300 }
4301 EOF
4302 if compile_prog "" "" ; then
4303   fallocate_punch_hole=yes
4304 fi
4305
4306 # check that fallocate supports range zeroing inside the file
4307 fallocate_zero_range=no
4308 cat > $TMPC << EOF
4309 #include <fcntl.h>
4310 #include <linux/falloc.h>
4311
4312 int main(void)
4313 {
4314     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4315     return 0;
4316 }
4317 EOF
4318 if compile_prog "" "" ; then
4319   fallocate_zero_range=yes
4320 fi
4321
4322 # check for posix_fallocate
4323 posix_fallocate=no
4324 cat > $TMPC << EOF
4325 #include <fcntl.h>
4326
4327 int main(void)
4328 {
4329     posix_fallocate(0, 0, 0);
4330     return 0;
4331 }
4332 EOF
4333 if compile_prog "" "" ; then
4334     posix_fallocate=yes
4335 fi
4336
4337 # check for sync_file_range
4338 sync_file_range=no
4339 cat > $TMPC << EOF
4340 #include <fcntl.h>
4341
4342 int main(void)
4343 {
4344     sync_file_range(0, 0, 0, 0);
4345     return 0;
4346 }
4347 EOF
4348 if compile_prog "" "" ; then
4349   sync_file_range=yes
4350 fi
4351
4352 # check for linux/fiemap.h and FS_IOC_FIEMAP
4353 fiemap=no
4354 cat > $TMPC << EOF
4355 #include <sys/ioctl.h>
4356 #include <linux/fs.h>
4357 #include <linux/fiemap.h>
4358
4359 int main(void)
4360 {
4361     ioctl(0, FS_IOC_FIEMAP, 0);
4362     return 0;
4363 }
4364 EOF
4365 if compile_prog "" "" ; then
4366   fiemap=yes
4367 fi
4368
4369 # check for dup3
4370 dup3=no
4371 cat > $TMPC << EOF
4372 #include <unistd.h>
4373
4374 int main(void)
4375 {
4376     dup3(0, 0, 0);
4377     return 0;
4378 }
4379 EOF
4380 if compile_prog "" "" ; then
4381   dup3=yes
4382 fi
4383
4384 # check for ppoll support
4385 ppoll=no
4386 cat > $TMPC << EOF
4387 #include <poll.h>
4388
4389 int main(void)
4390 {
4391     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4392     ppoll(&pfd, 1, 0, 0);
4393     return 0;
4394 }
4395 EOF
4396 if compile_prog "" "" ; then
4397   ppoll=yes
4398 fi
4399
4400 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4401 prctl_pr_set_timerslack=no
4402 cat > $TMPC << EOF
4403 #include <sys/prctl.h>
4404
4405 int main(void)
4406 {
4407     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4408     return 0;
4409 }
4410 EOF
4411 if compile_prog "" "" ; then
4412   prctl_pr_set_timerslack=yes
4413 fi
4414
4415 # check for epoll support
4416 epoll=no
4417 cat > $TMPC << EOF
4418 #include <sys/epoll.h>
4419
4420 int main(void)
4421 {
4422     epoll_create(0);
4423     return 0;
4424 }
4425 EOF
4426 if compile_prog "" "" ; then
4427   epoll=yes
4428 fi
4429
4430 # epoll_create1 is a later addition
4431 # so we must check separately for its presence
4432 epoll_create1=no
4433 cat > $TMPC << EOF
4434 #include <sys/epoll.h>
4435
4436 int main(void)
4437 {
4438     /* Note that we use epoll_create1 as a value, not as
4439      * a function being called. This is necessary so that on
4440      * old SPARC glibc versions where the function was present in
4441      * the library but not declared in the header file we will
4442      * fail the configure check. (Otherwise we will get a compiler
4443      * warning but not an error, and will proceed to fail the
4444      * qemu compile where we compile with -Werror.)
4445      */
4446     return (int)(uintptr_t)&epoll_create1;
4447 }
4448 EOF
4449 if compile_prog "" "" ; then
4450   epoll_create1=yes
4451 fi
4452
4453 # check for sendfile support
4454 sendfile=no
4455 cat > $TMPC << EOF
4456 #include <sys/sendfile.h>
4457
4458 int main(void)
4459 {
4460     return sendfile(0, 0, 0, 0);
4461 }
4462 EOF
4463 if compile_prog "" "" ; then
4464   sendfile=yes
4465 fi
4466
4467 # check for timerfd support (glibc 2.8 and newer)
4468 timerfd=no
4469 cat > $TMPC << EOF
4470 #include <sys/timerfd.h>
4471
4472 int main(void)
4473 {
4474     return(timerfd_create(CLOCK_REALTIME, 0));
4475 }
4476 EOF
4477 if compile_prog "" "" ; then
4478   timerfd=yes
4479 fi
4480
4481 # check for setns and unshare support
4482 setns=no
4483 cat > $TMPC << EOF
4484 #include <sched.h>
4485
4486 int main(void)
4487 {
4488     int ret;
4489     ret = setns(0, 0);
4490     ret = unshare(0);
4491     return ret;
4492 }
4493 EOF
4494 if compile_prog "" "" ; then
4495   setns=yes
4496 fi
4497
4498 # clock_adjtime probe
4499 clock_adjtime=no
4500 cat > $TMPC <<EOF
4501 #include <time.h>
4502
4503 int main(void)
4504 {
4505     return clock_adjtime(0, 0);
4506 }
4507 EOF
4508 clock_adjtime=no
4509 if compile_prog "" "" ; then
4510   clock_adjtime=yes
4511 fi
4512
4513 # syncfs probe
4514 syncfs=no
4515 cat > $TMPC <<EOF
4516 #include <unistd.h>
4517
4518 int main(void)
4519 {
4520     return syncfs(0);
4521 }
4522 EOF
4523 syncfs=no
4524 if compile_prog "" "" ; then
4525   syncfs=yes
4526 fi
4527
4528 # Check if tools are available to build documentation.
4529 if test "$docs" != "no" ; then
4530   if has makeinfo && has pod2man; then
4531     docs=yes
4532   else
4533     if test "$docs" = "yes" ; then
4534       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
4535     fi
4536     docs=no
4537   fi
4538 fi
4539
4540 # Search for bswap_32 function
4541 byteswap_h=no
4542 cat > $TMPC << EOF
4543 #include <byteswap.h>
4544 int main(void) { return bswap_32(0); }
4545 EOF
4546 if compile_prog "" "" ; then
4547   byteswap_h=yes
4548 fi
4549
4550 # Search for bswap32 function
4551 bswap_h=no
4552 cat > $TMPC << EOF
4553 #include <sys/endian.h>
4554 #include <sys/types.h>
4555 #include <machine/bswap.h>
4556 int main(void) { return bswap32(0); }
4557 EOF
4558 if compile_prog "" "" ; then
4559   bswap_h=yes
4560 fi
4561
4562 ##########################################
4563 # Do we have libiscsi >= 1.9.0
4564 if test "$libiscsi" != "no" ; then
4565   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4566     libiscsi="yes"
4567     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4568     libiscsi_libs=$($pkg_config --libs libiscsi)
4569   else
4570     if test "$libiscsi" = "yes" ; then
4571       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4572     fi
4573     libiscsi="no"
4574   fi
4575 fi
4576
4577 ##########################################
4578 # Do we need libm
4579 cat > $TMPC << EOF
4580 #include <math.h>
4581 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4582 EOF
4583 if compile_prog "" "" ; then
4584   :
4585 elif compile_prog "" "-lm" ; then
4586   LIBS="-lm $LIBS"
4587   libs_qga="-lm $libs_qga"
4588 else
4589   error_exit "libm check failed"
4590 fi
4591
4592 ##########################################
4593 # Do we need librt
4594 # uClibc provides 2 versions of clock_gettime(), one with realtime
4595 # support and one without. This means that the clock_gettime() don't
4596 # need -lrt. We still need it for timer_create() so we check for this
4597 # function in addition.
4598 cat > $TMPC <<EOF
4599 #include <signal.h>
4600 #include <time.h>
4601 int main(void) {
4602   timer_create(CLOCK_REALTIME, NULL, NULL);
4603   return clock_gettime(CLOCK_REALTIME, NULL);
4604 }
4605 EOF
4606
4607 if compile_prog "" "" ; then
4608   :
4609 # we need pthread for static linking. use previous pthread test result
4610 elif compile_prog "" "$pthread_lib -lrt" ; then
4611   LIBS="$LIBS -lrt"
4612   libs_qga="$libs_qga -lrt"
4613 fi
4614
4615 if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
4616         "$haiku" != "yes" ; then
4617     libs_softmmu="-lutil $libs_softmmu"
4618 fi
4619
4620 ##########################################
4621 # spice probe
4622 if test "$spice" != "no" ; then
4623   cat > $TMPC << EOF
4624 #include <spice.h>
4625 int main(void) { spice_server_new(); return 0; }
4626 EOF
4627   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4628   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4629   if $pkg_config --atleast-version=0.12.5 spice-server && \
4630      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4631      compile_prog "$spice_cflags" "$spice_libs" ; then
4632     spice="yes"
4633     libs_softmmu="$libs_softmmu $spice_libs"
4634     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4635     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4636     spice_server_version=$($pkg_config --modversion spice-server)
4637   else
4638     if test "$spice" = "yes" ; then
4639       feature_not_found "spice" \
4640           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4641     fi
4642     spice="no"
4643   fi
4644 fi
4645
4646 # check for smartcard support
4647 if test "$smartcard" != "no"; then
4648     if $pkg_config --atleast-version=2.5.1 libcacard; then
4649         libcacard_cflags=$($pkg_config --cflags libcacard)
4650         libcacard_libs=$($pkg_config --libs libcacard)
4651         smartcard="yes"
4652     else
4653         if test "$smartcard" = "yes"; then
4654             feature_not_found "smartcard" "Install libcacard devel"
4655         fi
4656         smartcard="no"
4657     fi
4658 fi
4659
4660 # check for libusb
4661 if test "$libusb" != "no" ; then
4662     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4663         libusb="yes"
4664         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4665         libusb_libs=$($pkg_config --libs libusb-1.0)
4666     else
4667         if test "$libusb" = "yes"; then
4668             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4669         fi
4670         libusb="no"
4671     fi
4672 fi
4673
4674 # check for usbredirparser for usb network redirection support
4675 if test "$usb_redir" != "no" ; then
4676     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4677         usb_redir="yes"
4678         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4679         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4680     else
4681         if test "$usb_redir" = "yes"; then
4682             feature_not_found "usb-redir" "Install usbredir devel"
4683         fi
4684         usb_redir="no"
4685     fi
4686 fi
4687
4688 ##########################################
4689 # check if we have VSS SDK headers for win
4690
4691 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
4692   case "$vss_win32_sdk" in
4693     "")   vss_win32_include="-isystem $source_path" ;;
4694     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4695           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4696           vss_win32_include="-isystem $source_path/.sdk/vss"
4697           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4698           ;;
4699     *)    vss_win32_include="-isystem $vss_win32_sdk"
4700   esac
4701   cat > $TMPC << EOF
4702 #define __MIDL_user_allocate_free_DEFINED__
4703 #include <inc/win2003/vss.h>
4704 int main(void) { return VSS_CTX_BACKUP; }
4705 EOF
4706   if compile_prog "$vss_win32_include" "" ; then
4707     guest_agent_with_vss="yes"
4708     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4709     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4710     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4711   else
4712     if test "$vss_win32_sdk" != "" ; then
4713       echo "ERROR: Please download and install Microsoft VSS SDK:"
4714       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4715       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4716       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4717       echo "ERROR: The headers are extracted in the directory \`inc'."
4718       feature_not_found "VSS support"
4719     fi
4720     guest_agent_with_vss="no"
4721   fi
4722 fi
4723
4724 ##########################################
4725 # lookup Windows platform SDK (if not specified)
4726 # The SDK is needed only to build .tlb (type library) file of guest agent
4727 # VSS provider from the source. It is usually unnecessary because the
4728 # pre-compiled .tlb file is included.
4729
4730 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
4731   if test -z "$win_sdk"; then
4732     programfiles="$PROGRAMFILES"
4733     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4734     if test -n "$programfiles"; then
4735       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4736     else
4737       feature_not_found "Windows SDK"
4738     fi
4739   elif test "$win_sdk" = "no"; then
4740     win_sdk=""
4741   fi
4742 fi
4743
4744 ##########################################
4745 # check if mingw environment provides a recent ntddscsi.h
4746 if test "$mingw32" = "yes" -a "$guest_agent" != "no"; then
4747   cat > $TMPC << EOF
4748 #include <windows.h>
4749 #include <ntddscsi.h>
4750 int main(void) {
4751 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4752 #error Missing required ioctl definitions
4753 #endif
4754   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4755   return addr.Lun;
4756 }
4757 EOF
4758   if compile_prog "" "" ; then
4759     guest_agent_ntddscsi=yes
4760     libs_qga="-lsetupapi $libs_qga"
4761   fi
4762 fi
4763
4764 ##########################################
4765 # virgl renderer probe
4766
4767 if test "$virglrenderer" != "no" ; then
4768   cat > $TMPC << EOF
4769 #include <virglrenderer.h>
4770 int main(void) { virgl_renderer_poll(); return 0; }
4771 EOF
4772   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4773   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4774   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
4775   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4776      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4777     virglrenderer="yes"
4778   else
4779     if test "$virglrenderer" = "yes" ; then
4780       feature_not_found "virglrenderer"
4781     fi
4782     virglrenderer="no"
4783   fi
4784 fi
4785
4786 ##########################################
4787 # capstone
4788
4789 case "$capstone" in
4790   "" | yes)
4791     if $pkg_config capstone; then
4792       capstone=system
4793     elif test -e "${source_path}/.git" -a $git_update = 'yes' ; then
4794       capstone=git
4795     elif test -e "${source_path}/capstone/Makefile" ; then
4796       capstone=internal
4797     elif test -z "$capstone" ; then
4798       capstone=no
4799     else
4800       feature_not_found "capstone" "Install capstone devel or git submodule"
4801     fi
4802     ;;
4803
4804   system)
4805     if ! $pkg_config capstone; then
4806       feature_not_found "capstone" "Install capstone devel"
4807     fi
4808     ;;
4809 esac
4810
4811 case "$capstone" in
4812   git | internal)
4813     if test "$capstone" = git; then
4814       git_submodules="${git_submodules} capstone"
4815     fi
4816     mkdir -p capstone
4817     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
4818     if test "$mingw32" = "yes"; then
4819       LIBCAPSTONE=capstone.lib
4820     else
4821       LIBCAPSTONE=libcapstone.a
4822     fi
4823     LIBS="-L\$(BUILD_DIR)/capstone -lcapstone $LIBS"
4824     ;;
4825
4826   system)
4827     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
4828     LIBS="$($pkg_config --libs capstone) $LIBS"
4829     ;;
4830
4831   no)
4832     ;;
4833   *)
4834     error_exit "Unknown state for capstone: $capstone"
4835     ;;
4836 esac
4837
4838 ##########################################
4839 # check if we have fdatasync
4840
4841 fdatasync=no
4842 cat > $TMPC << EOF
4843 #include <unistd.h>
4844 int main(void) {
4845 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4846 return fdatasync(0);
4847 #else
4848 #error Not supported
4849 #endif
4850 }
4851 EOF
4852 if compile_prog "" "" ; then
4853     fdatasync=yes
4854 fi
4855
4856 ##########################################
4857 # check if we have madvise
4858
4859 madvise=no
4860 cat > $TMPC << EOF
4861 #include <sys/types.h>
4862 #include <sys/mman.h>
4863 #include <stddef.h>
4864 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4865 EOF
4866 if compile_prog "" "" ; then
4867     madvise=yes
4868 fi
4869
4870 ##########################################
4871 # check if we have posix_madvise
4872
4873 posix_madvise=no
4874 cat > $TMPC << EOF
4875 #include <sys/mman.h>
4876 #include <stddef.h>
4877 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4878 EOF
4879 if compile_prog "" "" ; then
4880     posix_madvise=yes
4881 fi
4882
4883 ##########################################
4884 # check if we have posix_memalign()
4885
4886 posix_memalign=no
4887 cat > $TMPC << EOF
4888 #include <stdlib.h>
4889 int main(void) {
4890     void *p;
4891     return posix_memalign(&p, 8, 8);
4892 }
4893 EOF
4894 if compile_prog "" "" ; then
4895     posix_memalign=yes
4896 fi
4897
4898 ##########################################
4899 # check if we have posix_syslog
4900
4901 posix_syslog=no
4902 cat > $TMPC << EOF
4903 #include <syslog.h>
4904 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4905 EOF
4906 if compile_prog "" "" ; then
4907     posix_syslog=yes
4908 fi
4909
4910 ##########################################
4911 # check if we have sem_timedwait
4912
4913 sem_timedwait=no
4914 cat > $TMPC << EOF
4915 #include <semaphore.h>
4916 int main(void) { return sem_timedwait(0, 0); }
4917 EOF
4918 if compile_prog "" "" ; then
4919     sem_timedwait=yes
4920 fi
4921
4922 ##########################################
4923 # check if we have strchrnul
4924
4925 strchrnul=no
4926 cat > $TMPC << EOF
4927 #include <string.h>
4928 int main(void);
4929 // Use a haystack that the compiler shouldn't be able to constant fold
4930 char *haystack = (char*)&main;
4931 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
4932 EOF
4933 if compile_prog "" "" ; then
4934     strchrnul=yes
4935 fi
4936
4937 ##########################################
4938 # check if trace backend exists
4939
4940 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4941 if test "$?" -ne 0 ; then
4942   error_exit "invalid trace backends" \
4943       "Please choose supported trace backends."
4944 fi
4945
4946 ##########################################
4947 # For 'ust' backend, test if ust headers are present
4948 if have_backend "ust"; then
4949   cat > $TMPC << EOF
4950 #include <lttng/tracepoint.h>
4951 int main(void) { return 0; }
4952 EOF
4953   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4954     if $pkg_config lttng-ust --exists; then
4955       lttng_ust_libs=$($pkg_config --libs lttng-ust)
4956     else
4957       lttng_ust_libs="-llttng-ust -ldl"
4958     fi
4959     if $pkg_config liburcu-bp --exists; then
4960       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4961     else
4962       urcu_bp_libs="-lurcu-bp"
4963     fi
4964
4965     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
4966     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
4967   else
4968     error_exit "Trace backend 'ust' missing lttng-ust header files"
4969   fi
4970 fi
4971
4972 ##########################################
4973 # For 'dtrace' backend, test if 'dtrace' command is present
4974 if have_backend "dtrace"; then
4975   if ! has 'dtrace' ; then
4976     error_exit "dtrace command is not found in PATH $PATH"
4977   fi
4978   trace_backend_stap="no"
4979   if has 'stap' ; then
4980     trace_backend_stap="yes"
4981   fi
4982 fi
4983
4984 ##########################################
4985 # check and set a backend for coroutine
4986
4987 # We prefer ucontext, but it's not always possible. The fallback
4988 # is sigcontext. On Windows the only valid backend is the Windows
4989 # specific one.
4990
4991 ucontext_works=no
4992 if test "$darwin" != "yes"; then
4993   cat > $TMPC << EOF
4994 #include <ucontext.h>
4995 #ifdef __stub_makecontext
4996 #error Ignoring glibc stub makecontext which will always fail
4997 #endif
4998 int main(void) { makecontext(0, 0, 0); return 0; }
4999 EOF
5000   if compile_prog "" "" ; then
5001     ucontext_works=yes
5002   fi
5003 fi
5004
5005 if test "$coroutine" = ""; then
5006   if test "$mingw32" = "yes"; then
5007     coroutine=win32
5008   elif test "$ucontext_works" = "yes"; then
5009     coroutine=ucontext
5010   else
5011     coroutine=sigaltstack
5012   fi
5013 else
5014   case $coroutine in
5015   windows)
5016     if test "$mingw32" != "yes"; then
5017       error_exit "'windows' coroutine backend only valid for Windows"
5018     fi
5019     # Unfortunately the user visible backend name doesn't match the
5020     # coroutine-*.c filename for this case, so we have to adjust it here.
5021     coroutine=win32
5022     ;;
5023   ucontext)
5024     if test "$ucontext_works" != "yes"; then
5025       feature_not_found "ucontext"
5026     fi
5027     ;;
5028   sigaltstack)
5029     if test "$mingw32" = "yes"; then
5030       error_exit "only the 'windows' coroutine backend is valid for Windows"
5031     fi
5032     ;;
5033   *)
5034     error_exit "unknown coroutine backend $coroutine"
5035     ;;
5036   esac
5037 fi
5038
5039 if test "$coroutine_pool" = ""; then
5040   coroutine_pool=yes
5041 fi
5042
5043 if test "$debug_stack_usage" = "yes"; then
5044   if test "$coroutine_pool" = "yes"; then
5045     echo "WARN: disabling coroutine pool for stack usage debugging"
5046     coroutine_pool=no
5047   fi
5048 fi
5049
5050
5051 ##########################################
5052 # check if we have open_by_handle_at
5053
5054 open_by_handle_at=no
5055 cat > $TMPC << EOF
5056 #include <fcntl.h>
5057 #if !defined(AT_EMPTY_PATH)
5058 # error missing definition
5059 #else
5060 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5061 #endif
5062 EOF
5063 if compile_prog "" "" ; then
5064     open_by_handle_at=yes
5065 fi
5066
5067 ########################################
5068 # check if we have linux/magic.h
5069
5070 linux_magic_h=no
5071 cat > $TMPC << EOF
5072 #include <linux/magic.h>
5073 int main(void) {
5074   return 0;
5075 }
5076 EOF
5077 if compile_prog "" "" ; then
5078     linux_magic_h=yes
5079 fi
5080
5081 ########################################
5082 # check whether we can disable warning option with a pragma (this is needed
5083 # to silence warnings in the headers of some versions of external libraries).
5084 # This test has to be compiled with -Werror as otherwise an unknown pragma is
5085 # only a warning.
5086 #
5087 # If we can't selectively disable warning in the code, disable -Werror so that
5088 # the build doesn't fail anyway.
5089
5090 pragma_disable_unused_but_set=no
5091 cat > $TMPC << EOF
5092 #pragma GCC diagnostic push
5093 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
5094 #pragma GCC diagnostic pop
5095
5096 int main(void) {
5097     return 0;
5098 }
5099 EOF
5100 if compile_prog "-Werror" "" ; then
5101     pragma_diagnostic_available=yes
5102 else
5103     werror=no
5104 fi
5105
5106 ########################################
5107 # check if we have valgrind/valgrind.h
5108
5109 valgrind_h=no
5110 cat > $TMPC << EOF
5111 #include <valgrind/valgrind.h>
5112 int main(void) {
5113   return 0;
5114 }
5115 EOF
5116 if compile_prog "" "" ; then
5117     valgrind_h=yes
5118 fi
5119
5120 ########################################
5121 # check if environ is declared
5122
5123 has_environ=no
5124 cat > $TMPC << EOF
5125 #include <unistd.h>
5126 int main(void) {
5127     environ = 0;
5128     return 0;
5129 }
5130 EOF
5131 if compile_prog "" "" ; then
5132     has_environ=yes
5133 fi
5134
5135 ########################################
5136 # check if cpuid.h is usable.
5137
5138 cat > $TMPC << EOF
5139 #include <cpuid.h>
5140 int main(void) {
5141     unsigned a, b, c, d;
5142     int max = __get_cpuid_max(0, 0);
5143
5144     if (max >= 1) {
5145         __cpuid(1, a, b, c, d);
5146     }
5147
5148     if (max >= 7) {
5149         __cpuid_count(7, 0, a, b, c, d);
5150     }
5151
5152     return 0;
5153 }
5154 EOF
5155 if compile_prog "" "" ; then
5156     cpuid_h=yes
5157 fi
5158
5159 ##########################################
5160 # avx2 optimization requirement check
5161 #
5162 # There is no point enabling this if cpuid.h is not usable,
5163 # since we won't be able to select the new routines.
5164
5165 if test "$cpuid_h" = "yes" -a "$avx2_opt" != "no"; then
5166   cat > $TMPC << EOF
5167 #pragma GCC push_options
5168 #pragma GCC target("avx2")
5169 #include <cpuid.h>
5170 #include <immintrin.h>
5171 static int bar(void *a) {
5172     __m256i x = *(__m256i *)a;
5173     return _mm256_testz_si256(x, x);
5174 }
5175 int main(int argc, char *argv[]) { return bar(argv[0]); }
5176 EOF
5177   if compile_object "" ; then
5178     avx2_opt="yes"
5179   else
5180     avx2_opt="no"
5181   fi
5182 fi
5183
5184 ########################################
5185 # check if __[u]int128_t is usable.
5186
5187 int128=no
5188 cat > $TMPC << EOF
5189 __int128_t a;
5190 __uint128_t b;
5191 int main (void) {
5192   a = a + b;
5193   b = a * b;
5194   a = a * a;
5195   return 0;
5196 }
5197 EOF
5198 if compile_prog "" "" ; then
5199     int128=yes
5200 fi
5201
5202 #########################################
5203 # See if 128-bit atomic operations are supported.
5204
5205 atomic128=no
5206 if test "$int128" = "yes"; then
5207   cat > $TMPC << EOF
5208 int main(void)
5209 {
5210   unsigned __int128 x = 0, y = 0;
5211   y = __atomic_load_16(&x, 0);
5212   __atomic_store_16(&x, y, 0);
5213   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5214   return 0;
5215 }
5216 EOF
5217   if compile_prog "" "" ; then
5218     atomic128=yes
5219   fi
5220 fi
5221
5222 cmpxchg128=no
5223 if test "$int128" = yes -a "$atomic128" = no; then
5224   cat > $TMPC << EOF
5225 int main(void)
5226 {
5227   unsigned __int128 x = 0, y = 0;
5228   __sync_val_compare_and_swap_16(&x, y, x);
5229   return 0;
5230 }
5231 EOF
5232   if compile_prog "" "" ; then
5233     cmpxchg128=yes
5234   fi
5235 fi
5236
5237 #########################################
5238 # See if 64-bit atomic operations are supported.
5239 # Note that without __atomic builtins, we can only
5240 # assume atomic loads/stores max at pointer size.
5241
5242 cat > $TMPC << EOF
5243 #include <stdint.h>
5244 int main(void)
5245 {
5246   uint64_t x = 0, y = 0;
5247 #ifdef __ATOMIC_RELAXED
5248   y = __atomic_load_8(&x, 0);
5249   __atomic_store_8(&x, y, 0);
5250   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5251   __atomic_exchange_8(&x, y, 0);
5252   __atomic_fetch_add_8(&x, y, 0);
5253 #else
5254   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5255   __sync_lock_test_and_set(&x, y);
5256   __sync_val_compare_and_swap(&x, y, 0);
5257   __sync_fetch_and_add(&x, y);
5258 #endif
5259   return 0;
5260 }
5261 EOF
5262 if compile_prog "" "" ; then
5263   atomic64=yes
5264 fi
5265
5266 ########################################
5267 # See if 16-byte vector operations are supported.
5268 # Even without a vector unit the compiler may expand these.
5269 # There is a bug in old GCC for PPC that crashes here.
5270 # Unfortunately it's the system compiler for Centos 7.
5271
5272 cat > $TMPC << EOF
5273 typedef unsigned char U1 __attribute__((vector_size(16)));
5274 typedef unsigned short U2 __attribute__((vector_size(16)));
5275 typedef unsigned int U4 __attribute__((vector_size(16)));
5276 typedef unsigned long long U8 __attribute__((vector_size(16)));
5277 typedef signed char S1 __attribute__((vector_size(16)));
5278 typedef signed short S2 __attribute__((vector_size(16)));
5279 typedef signed int S4 __attribute__((vector_size(16)));
5280 typedef signed long long S8 __attribute__((vector_size(16)));
5281 static U1 a1, b1;
5282 static U2 a2, b2;
5283 static U4 a4, b4;
5284 static U8 a8, b8;
5285 static S1 c1;
5286 static S2 c2;
5287 static S4 c4;
5288 static S8 c8;
5289 static int i;
5290 void helper(void *d, void *a, int shift, int i);
5291 void helper(void *d, void *a, int shift, int i)
5292 {
5293   *(U1 *)(d + i) = *(U1 *)(a + i) << shift;
5294   *(U2 *)(d + i) = *(U2 *)(a + i) << shift;
5295   *(U4 *)(d + i) = *(U4 *)(a + i) << shift;
5296   *(U8 *)(d + i) = *(U8 *)(a + i) << shift;
5297 }
5298 int main(void)
5299 {
5300   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5301   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5302   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5303   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5304   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5305   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5306   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5307   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5308   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5309   return 0;
5310 }
5311 EOF
5312
5313 vector16=no
5314 if compile_prog "" "" ; then
5315   vector16=yes
5316 fi
5317
5318 ########################################
5319 # check if getauxval is available.
5320
5321 getauxval=no
5322 cat > $TMPC << EOF
5323 #include <sys/auxv.h>
5324 int main(void) {
5325   return getauxval(AT_HWCAP) == 0;
5326 }
5327 EOF
5328 if compile_prog "" "" ; then
5329     getauxval=yes
5330 fi
5331
5332 ########################################
5333 # check if ccache is interfering with
5334 # semantic analysis of macros
5335
5336 unset CCACHE_CPP2
5337 ccache_cpp2=no
5338 cat > $TMPC << EOF
5339 static const int Z = 1;
5340 #define fn() ({ Z; })
5341 #define TAUT(X) ((X) == Z)
5342 #define PAREN(X, Y) (X == Y)
5343 #define ID(X) (X)
5344 int main(int argc, char *argv[])
5345 {
5346     int x = 0, y = 0;
5347     x = ID(x);
5348     x = fn();
5349     fn();
5350     if (PAREN(x, y)) return 0;
5351     if (TAUT(Z)) return 0;
5352     return 0;
5353 }
5354 EOF
5355
5356 if ! compile_object "-Werror"; then
5357     ccache_cpp2=yes
5358 fi
5359
5360 #################################################
5361 # clang does not support glibc + FORTIFY_SOURCE.
5362
5363 if test "$fortify_source" != "no"; then
5364   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5365     fortify_source="no";
5366   elif test -n "$cxx" && has $cxx &&
5367        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5368     fortify_source="no";
5369   else
5370     fortify_source="yes"
5371   fi
5372 fi
5373
5374 ###############################################
5375 # Check if copy_file_range is provided by glibc
5376 have_copy_file_range=no
5377 cat > $TMPC << EOF
5378 #include <unistd.h>
5379 int main(void) {
5380   copy_file_range(0, NULL, 0, NULL, 0, 0);
5381   return 0;
5382 }
5383 EOF
5384 if compile_prog "" "" ; then
5385     have_copy_file_range=yes
5386 fi
5387
5388 ##########################################
5389 # check if struct fsxattr is available via linux/fs.h
5390
5391 have_fsxattr=no
5392 cat > $TMPC << EOF
5393 #include <linux/fs.h>
5394 struct fsxattr foo;
5395 int main(void) {
5396   return 0;
5397 }
5398 EOF
5399 if compile_prog "" "" ; then
5400     have_fsxattr=yes
5401 fi
5402
5403 ##########################################
5404 # check for usable membarrier system call
5405 if test "$membarrier" = "yes"; then
5406     have_membarrier=no
5407     if test "$mingw32" = "yes" ; then
5408         have_membarrier=yes
5409     elif test "$linux" = "yes" ; then
5410         cat > $TMPC << EOF
5411     #include <linux/membarrier.h>
5412     #include <sys/syscall.h>
5413     #include <unistd.h>
5414     #include <stdlib.h>
5415     int main(void) {
5416         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5417         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5418         exit(0);
5419     }
5420 EOF
5421         if compile_prog "" "" ; then
5422             have_membarrier=yes
5423         fi
5424     fi
5425     if test "$have_membarrier" = "no"; then
5426       feature_not_found "membarrier" "membarrier system call not available"
5427     fi
5428 else
5429     # Do not enable it by default even for Mingw32, because it doesn't
5430     # work on Wine.
5431     membarrier=no
5432 fi
5433
5434 ##########################################
5435 # check if rtnetlink.h exists and is useful
5436 have_rtnetlink=no
5437 cat > $TMPC << EOF
5438 #include <linux/rtnetlink.h>
5439 int main(void) {
5440   return IFLA_PROTO_DOWN;
5441 }
5442 EOF
5443 if compile_prog "" "" ; then
5444     have_rtnetlink=yes
5445 fi
5446
5447 ##########################################
5448 # check for usable AF_VSOCK environment
5449 have_af_vsock=no
5450 cat > $TMPC << EOF
5451 #include <errno.h>
5452 #include <sys/types.h>
5453 #include <sys/socket.h>
5454 #if !defined(AF_VSOCK)
5455 # error missing AF_VSOCK flag
5456 #endif
5457 #include <linux/vm_sockets.h>
5458 int main(void) {
5459     int sock, ret;
5460     struct sockaddr_vm svm;
5461     socklen_t len = sizeof(svm);
5462     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5463     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5464     if ((ret == -1) && (errno == ENOTCONN)) {
5465         return 0;
5466     }
5467     return -1;
5468 }
5469 EOF
5470 if compile_prog "" "" ; then
5471     have_af_vsock=yes
5472 fi
5473
5474 ##########################################
5475 # check for usable AF_ALG environment
5476 hava_afalg=no
5477 cat > $TMPC << EOF
5478 #include <errno.h>
5479 #include <sys/types.h>
5480 #include <sys/socket.h>
5481 #include <linux/if_alg.h>
5482 int main(void) {
5483     int sock;
5484     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5485     return sock;
5486 }
5487 EOF
5488 if compile_prog "" "" ; then
5489     have_afalg=yes
5490 fi
5491 if test "$crypto_afalg" = "yes"
5492 then
5493     if test "$have_afalg" != "yes"
5494     then
5495         error_exit "AF_ALG requested but could not be detected"
5496     fi
5497 fi
5498
5499
5500 #################################################
5501 # Check to see if we have the Hypervisor framework
5502 if [ "$darwin" = "yes" ] ; then
5503   cat > $TMPC << EOF
5504 #include <Hypervisor/hv.h>
5505 int main() { return 0;}
5506 EOF
5507   if ! compile_object ""; then
5508     hvf='no'
5509   else
5510     hvf='yes'
5511     LDFLAGS="-framework Hypervisor $LDFLAGS"
5512   fi
5513 fi
5514
5515 #################################################
5516 # Sparc implicitly links with --relax, which is
5517 # incompatible with -r, so --no-relax should be
5518 # given. It does no harm to give it on other
5519 # platforms too.
5520
5521 # Note: the prototype is needed since QEMU_CFLAGS
5522 #       contains -Wmissing-prototypes
5523 cat > $TMPC << EOF
5524 extern int foo(void);
5525 int foo(void) { return 0; }
5526 EOF
5527 if ! compile_object ""; then
5528   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5529 fi
5530 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5531   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5532     LD_REL_FLAGS=$i
5533     break
5534   fi
5535 done
5536 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5537   feature_not_found "modules" "Cannot find how to build relocatable objects"
5538 fi
5539
5540 ##########################################
5541 # check for sysmacros.h
5542
5543 have_sysmacros=no
5544 cat > $TMPC << EOF
5545 #include <sys/sysmacros.h>
5546 int main(void) {
5547     return makedev(0, 0);
5548 }
5549 EOF
5550 if compile_prog "" "" ; then
5551     have_sysmacros=yes
5552 fi
5553
5554 ##########################################
5555 # Veritas HyperScale block driver VxHS
5556 # Check if libvxhs is installed
5557
5558 if test "$vxhs" != "no" ; then
5559   cat > $TMPC <<EOF
5560 #include <stdint.h>
5561 #include <qnio/qnio_api.h>
5562
5563 void *vxhs_callback;
5564
5565 int main(void) {
5566     iio_init(QNIO_VERSION, vxhs_callback);
5567     return 0;
5568 }
5569 EOF
5570   vxhs_libs="-lvxhs -lssl"
5571   if compile_prog "" "$vxhs_libs" ; then
5572     vxhs=yes
5573   else
5574     if test "$vxhs" = "yes" ; then
5575       feature_not_found "vxhs block device" "Install libvxhs See github"
5576     fi
5577     vxhs=no
5578   fi
5579 fi
5580
5581 ##########################################
5582 # check for _Static_assert()
5583
5584 have_static_assert=no
5585 cat > $TMPC << EOF
5586 _Static_assert(1, "success");
5587 int main(void) {
5588     return 0;
5589 }
5590 EOF
5591 if compile_prog "" "" ; then
5592     have_static_assert=yes
5593 fi
5594
5595 ##########################################
5596 # check for utmpx.h, it is missing e.g. on OpenBSD
5597
5598 have_utmpx=no
5599 cat > $TMPC << EOF
5600 #include <utmpx.h>
5601 struct utmpx user_info;
5602 int main(void) {
5603     return 0;
5604 }
5605 EOF
5606 if compile_prog "" "" ; then
5607     have_utmpx=yes
5608 fi
5609
5610 ##########################################
5611 # checks for sanitizers
5612
5613 have_asan=no
5614 have_ubsan=no
5615 have_asan_iface_h=no
5616 have_asan_iface_fiber=no
5617
5618 if test "$sanitizers" = "yes" ; then
5619   write_c_skeleton
5620   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5621       have_asan=yes
5622   fi
5623
5624   # we could use a simple skeleton for flags checks, but this also
5625   # detect the static linking issue of ubsan, see also:
5626   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5627   cat > $TMPC << EOF
5628 #include <stdlib.h>
5629 int main(void) {
5630     void *tmp = malloc(10);
5631     return *(int *)(tmp + 2);
5632 }
5633 EOF
5634   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5635       have_ubsan=yes
5636   fi
5637
5638   if check_include "sanitizer/asan_interface.h" ; then
5639       have_asan_iface_h=yes
5640   fi
5641
5642   cat > $TMPC << EOF
5643 #include <sanitizer/asan_interface.h>
5644 int main(void) {
5645   __sanitizer_start_switch_fiber(0, 0, 0);
5646   return 0;
5647 }
5648 EOF
5649   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5650       have_asan_iface_fiber=yes
5651   fi
5652 fi
5653
5654 ##########################################
5655 # Docker and cross-compiler support
5656 #
5657 # This is specifically for building test
5658 # cases for foreign architectures, not
5659 # cross-compiling QEMU itself.
5660
5661 if has "docker"; then
5662     docker=$($python $source_path/tests/docker/docker.py probe)
5663 fi
5664
5665 ##########################################
5666 # check for libpmem
5667
5668 if test "$libpmem" != "no"; then
5669         if $pkg_config --exists "libpmem"; then
5670                 libpmem="yes"
5671                 libpmem_libs=$($pkg_config --libs libpmem)
5672                 libpmem_cflags=$($pkg_config --cflags libpmem)
5673                 libs_softmmu="$libs_softmmu $libpmem_libs"
5674                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
5675         else
5676                 if test "$libpmem" = "yes" ; then
5677                         feature_not_found "libpmem" "Install nvml or pmdk"
5678                 fi
5679                 libpmem="no"
5680         fi
5681 fi
5682
5683 ##########################################
5684 # End of CC checks
5685 # After here, no more $cc or $ld runs
5686
5687 write_c_skeleton
5688
5689 if test "$gcov" = "yes" ; then
5690   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
5691   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
5692 elif test "$fortify_source" = "yes" ; then
5693   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
5694 elif test "$debug" = "no"; then
5695   CFLAGS="-O2 $CFLAGS"
5696 fi
5697
5698 if test "$have_asan" = "yes"; then
5699   CFLAGS="-fsanitize=address $CFLAGS"
5700   if test "$have_asan_iface_h" = "no" ; then
5701       echo "ASAN build enabled, but ASAN header missing." \
5702            "Without code annotation, the report may be inferior."
5703   elif test "$have_asan_iface_fiber" = "no" ; then
5704       echo "ASAN build enabled, but ASAN header is too old." \
5705            "Without code annotation, the report may be inferior."
5706   fi
5707 fi
5708 if test "$have_ubsan" = "yes"; then
5709   CFLAGS="-fsanitize=undefined $CFLAGS"
5710 fi
5711
5712 ##########################################
5713 # Do we have libnfs
5714 if test "$libnfs" != "no" ; then
5715   if $pkg_config --atleast-version=1.9.3 libnfs; then
5716     libnfs="yes"
5717     libnfs_libs=$($pkg_config --libs libnfs)
5718   else
5719     if test "$libnfs" = "yes" ; then
5720       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5721     fi
5722     libnfs="no"
5723   fi
5724 fi
5725
5726 ##########################################
5727 # Do we have libudev
5728 if test "$libudev" != "no" ; then
5729   if $pkg_config libudev && test "$static" != "yes"; then
5730     libudev="yes"
5731     libudev_libs=$($pkg_config --libs libudev)
5732   else
5733     libudev="no"
5734   fi
5735 fi
5736
5737 # Now we've finished running tests it's OK to add -Werror to the compiler flags
5738 if test "$werror" = "yes"; then
5739     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
5740 fi
5741
5742 if test "$solaris" = "no" ; then
5743     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5744         LDFLAGS="-Wl,--warn-common $LDFLAGS"
5745     fi
5746 fi
5747
5748 # test if pod2man has --utf8 option
5749 if pod2man --help | grep -q utf8; then
5750     POD2MAN="pod2man --utf8"
5751 else
5752     POD2MAN="pod2man"
5753 fi
5754
5755 # Use ASLR, no-SEH and DEP if available
5756 if test "$mingw32" = "yes" ; then
5757     for flag in --dynamicbase --no-seh --nxcompat; do
5758         if ld_has $flag ; then
5759             LDFLAGS="-Wl,$flag $LDFLAGS"
5760         fi
5761     done
5762 fi
5763
5764 qemu_confdir=$sysconfdir$confsuffix
5765 qemu_moddir=$libdir$confsuffix
5766 qemu_datadir=$datadir$confsuffix
5767 qemu_localedir="$datadir/locale"
5768 qemu_icondir="$datadir/icons"
5769 qemu_desktopdir="$datadir/applications"
5770
5771 # We can only support ivshmem if we have eventfd
5772 if [ "$eventfd" = "yes" ]; then
5773   ivshmem=yes
5774 fi
5775
5776 tools=""
5777 if test "$want_tools" = "yes" ; then
5778   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
5779   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
5780     tools="qemu-nbd\$(EXESUF) $tools"
5781   fi
5782   if [ "$ivshmem" = "yes" ]; then
5783     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
5784   fi
5785   if [ "$posix" = "yes" ] && [ "$curl" = "yes" ]; then
5786     tools="elf2dmp $tools"
5787   fi
5788 fi
5789 if test "$softmmu" = yes ; then
5790   if test "$linux" = yes; then
5791     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
5792       virtfs=yes
5793       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
5794     else
5795       if test "$virtfs" = yes; then
5796         error_exit "VirtFS requires libcap devel and libattr devel"
5797       fi
5798       virtfs=no
5799     fi
5800     if test "$mpath" != no && test "$mpathpersist" = yes ; then
5801       mpath=yes
5802     else
5803       if test "$mpath" = yes; then
5804         error_exit "Multipath requires libmpathpersist devel"
5805       fi
5806       mpath=no
5807     fi
5808     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
5809   else
5810     if test "$virtfs" = yes; then
5811       error_exit "VirtFS is supported only on Linux"
5812     fi
5813     virtfs=no
5814     if test "$mpath" = yes; then
5815       error_exit "Multipath is supported only on Linux"
5816     fi
5817     mpath=no
5818   fi
5819   if test "$xkbcommon" = "yes"; then
5820     tools="qemu-keymap\$(EXESUF) $tools"
5821   fi
5822 fi
5823
5824 # Probe for guest agent support/options
5825
5826 if [ "$guest_agent" != "no" ]; then
5827   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5828       tools="qemu-ga $tools"
5829       guest_agent=yes
5830   elif [ "$guest_agent" != yes ]; then
5831       guest_agent=no
5832   else
5833       error_exit "Guest agent is not supported on this platform"
5834   fi
5835 fi
5836
5837 # Guest agent Window MSI  package
5838
5839 if test "$guest_agent" != yes; then
5840   if test "$guest_agent_msi" = yes; then
5841     error_exit "MSI guest agent package requires guest agent enabled"
5842   fi
5843   guest_agent_msi=no
5844 elif test "$mingw32" != "yes"; then
5845   if test "$guest_agent_msi" = "yes"; then
5846     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5847   fi
5848   guest_agent_msi=no
5849 elif ! has wixl; then
5850   if test "$guest_agent_msi" = "yes"; then
5851     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5852   fi
5853   guest_agent_msi=no
5854 else
5855   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5856   # disabled explicitly
5857   if test "$guest_agent_msi" != "no"; then
5858     guest_agent_msi=yes
5859   fi
5860 fi
5861
5862 if test "$guest_agent_msi" = "yes"; then
5863   if test "$guest_agent_with_vss" = "yes"; then
5864     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5865   fi
5866
5867   if test "$QEMU_GA_MANUFACTURER" = ""; then
5868     QEMU_GA_MANUFACTURER=QEMU
5869   fi
5870
5871   if test "$QEMU_GA_DISTRO" = ""; then
5872     QEMU_GA_DISTRO=Linux
5873   fi
5874
5875   if test "$QEMU_GA_VERSION" = ""; then
5876       QEMU_GA_VERSION=$(cat $source_path/VERSION)
5877   fi
5878
5879   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5880
5881   case "$cpu" in
5882   x86_64)
5883     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5884     ;;
5885   i386)
5886     QEMU_GA_MSI_ARCH="-D Arch=32"
5887     ;;
5888   *)
5889     error_exit "CPU $cpu not supported for building installation package"
5890     ;;
5891   esac
5892 fi
5893
5894 # Mac OS X ships with a broken assembler
5895 roms=
5896 if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
5897         "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
5898         "$softmmu" = yes ; then
5899     # Different host OS linkers have different ideas about the name of the ELF
5900     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
5901     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
5902     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
5903         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5904             ld_i386_emulation="$emu"
5905             roms="optionrom"
5906             break
5907         fi
5908     done
5909 fi
5910 if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
5911   roms="$roms spapr-rtas"
5912 fi
5913
5914 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
5915 if test "$cpu" = "s390x" ; then
5916   write_c_skeleton
5917   if compile_prog "-march=z900" ""; then
5918     roms="$roms s390-ccw"
5919   fi
5920 fi
5921
5922 # Probe for the need for relocating the user-only binary.
5923 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
5924   textseg_addr=
5925   case "$cpu" in
5926     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
5927       # ??? Rationale for choosing this address
5928       textseg_addr=0x60000000
5929       ;;
5930     mips)
5931       # A 256M aligned address, high in the address space, with enough
5932       # room for the code_gen_buffer above it before the stack.
5933       textseg_addr=0x60000000
5934       ;;
5935   esac
5936   if [ -n "$textseg_addr" ]; then
5937     cat > $TMPC <<EOF
5938     int main(void) { return 0; }
5939 EOF
5940     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
5941     if ! compile_prog "" "$textseg_ldflags"; then
5942       # In case ld does not support -Ttext-segment, edit the default linker
5943       # script via sed to set the .text start addr.  This is needed on FreeBSD
5944       # at least.
5945       if ! $ld --verbose >/dev/null 2>&1; then
5946         error_exit \
5947             "We need to link the QEMU user mode binaries at a" \
5948             "specific text address. Unfortunately your linker" \
5949             "doesn't support either the -Ttext-segment option or" \
5950             "printing the default linker script with --verbose." \
5951             "If you don't want the user mode binaries, pass the" \
5952             "--disable-user option to configure."
5953       fi
5954
5955       $ld --verbose | sed \
5956         -e '1,/==================================================/d' \
5957         -e '/==================================================/,$d' \
5958         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
5959         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
5960       textseg_ldflags="-Wl,-T../config-host.ld"
5961     fi
5962   fi
5963 fi
5964
5965 # Check that the C++ compiler exists and works with the C compiler.
5966 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
5967 if has $cxx; then
5968     cat > $TMPC <<EOF
5969 int c_function(void);
5970 int main(void) { return c_function(); }
5971 EOF
5972
5973     compile_object
5974
5975     cat > $TMPCXX <<EOF
5976 extern "C" {
5977    int c_function(void);
5978 }
5979 int c_function(void) { return 42; }
5980 EOF
5981
5982     update_cxxflags
5983
5984     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
5985         # C++ compiler $cxx works ok with C compiler $cc
5986         :
5987     else
5988         echo "C++ compiler $cxx does not work with C compiler $cc"
5989         echo "Disabling C++ specific optional code"
5990         cxx=
5991     fi
5992 else
5993     echo "No C++ compiler available; disabling C++ specific optional code"
5994     cxx=
5995 fi
5996
5997 echo_version() {
5998     if test "$1" = "yes" ; then
5999         echo "($2)"
6000     fi
6001 }
6002
6003 # prepend pixman and ftd flags after all config tests are done
6004 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6005 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6006 libs_softmmu="$pixman_libs $libs_softmmu"
6007
6008 echo "Install prefix    $prefix"
6009 echo "BIOS directory    $(eval echo $qemu_datadir)"
6010 echo "firmware path     $(eval echo $firmwarepath)"
6011 echo "binary directory  $(eval echo $bindir)"
6012 echo "library directory $(eval echo $libdir)"
6013 echo "module directory  $(eval echo $qemu_moddir)"
6014 echo "libexec directory $(eval echo $libexecdir)"
6015 echo "include directory $(eval echo $includedir)"
6016 echo "config directory  $(eval echo $sysconfdir)"
6017 if test "$mingw32" = "no" ; then
6018 echo "local state directory   $(eval echo $local_statedir)"
6019 echo "Manual directory  $(eval echo $mandir)"
6020 echo "ELF interp prefix $interp_prefix"
6021 else
6022 echo "local state directory   queried at runtime"
6023 echo "Windows SDK       $win_sdk"
6024 fi
6025 echo "Source path       $source_path"
6026 echo "GIT binary        $git"
6027 echo "GIT submodules    $git_submodules"
6028 echo "C compiler        $cc"
6029 echo "Host C compiler   $host_cc"
6030 echo "C++ compiler      $cxx"
6031 echo "Objective-C compiler $objcc"
6032 echo "ARFLAGS           $ARFLAGS"
6033 echo "CFLAGS            $CFLAGS"
6034 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6035 echo "LDFLAGS           $LDFLAGS"
6036 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6037 echo "make              $make"
6038 echo "install           $install"
6039 echo "python            $python ($python_version)"
6040 if test "$slirp" = "yes" ; then
6041     echo "smbd              $smbd"
6042 fi
6043 echo "module support    $modules"
6044 echo "host CPU          $cpu"
6045 echo "host big endian   $bigendian"
6046 echo "target list       $target_list"
6047 echo "gprof enabled     $gprof"
6048 echo "sparse enabled    $sparse"
6049 echo "strip binaries    $strip_opt"
6050 echo "profiler          $profiler"
6051 echo "static build      $static"
6052 if test "$darwin" = "yes" ; then
6053     echo "Cocoa support     $cocoa"
6054 fi
6055 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6056 echo "SDL image support $sdl_image"
6057 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6058 echo "GTK GL support    $gtk_gl"
6059 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6060 echo "TLS priority      $tls_priority"
6061 echo "GNUTLS support    $gnutls"
6062 echo "libgcrypt         $gcrypt"
6063 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6064 echo "libtasn1          $tasn1"
6065 echo "curses support    $curses"
6066 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6067 echo "curl support      $curl"
6068 echo "mingw32 support   $mingw32"
6069 echo "Audio drivers     $audio_drv_list"
6070 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6071 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6072 echo "VirtFS support    $virtfs"
6073 echo "Multipath support $mpath"
6074 echo "VNC support       $vnc"
6075 if test "$vnc" = "yes" ; then
6076     echo "VNC SASL support  $vnc_sasl"
6077     echo "VNC JPEG support  $vnc_jpeg"
6078     echo "VNC PNG support   $vnc_png"
6079 fi
6080 if test -n "$sparc_cpu"; then
6081     echo "Target Sparc Arch $sparc_cpu"
6082 fi
6083 echo "xen support       $xen"
6084 if test "$xen" = "yes" ; then
6085   echo "xen ctrl version  $xen_ctrl_version"
6086 fi
6087 echo "brlapi support    $brlapi"
6088 echo "bluez  support    $bluez"
6089 echo "Documentation     $docs"
6090 echo "PIE               $pie"
6091 echo "vde support       $vde"
6092 echo "netmap support    $netmap"
6093 echo "Linux AIO support $linux_aio"
6094 echo "ATTR/XATTR support $attr"
6095 echo "Install blobs     $blobs"
6096 echo "KVM support       $kvm"
6097 echo "HAX support       $hax"
6098 echo "HVF support       $hvf"
6099 echo "WHPX support      $whpx"
6100 echo "TCG support       $tcg"
6101 if test "$tcg" = "yes" ; then
6102     echo "TCG debug enabled $debug_tcg"
6103     echo "TCG interpreter   $tcg_interpreter"
6104 fi
6105 echo "malloc trim support $malloc_trim"
6106 echo "RDMA support      $rdma"
6107 echo "PVRDMA support    $pvrdma"
6108 echo "fdt support       $fdt"
6109 echo "membarrier        $membarrier"
6110 echo "preadv support    $preadv"
6111 echo "fdatasync         $fdatasync"
6112 echo "madvise           $madvise"
6113 echo "posix_madvise     $posix_madvise"
6114 echo "posix_memalign    $posix_memalign"
6115 echo "libcap-ng support $cap_ng"
6116 echo "vhost-net support $vhost_net"
6117 echo "vhost-crypto support $vhost_crypto"
6118 echo "vhost-scsi support $vhost_scsi"
6119 echo "vhost-vsock support $vhost_vsock"
6120 echo "vhost-user support $vhost_user"
6121 echo "Trace backends    $trace_backends"
6122 if have_backend "simple"; then
6123 echo "Trace output file $trace_file-<pid>"
6124 fi
6125 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6126 echo "rbd support       $rbd"
6127 echo "xfsctl support    $xfs"
6128 echo "smartcard support $smartcard"
6129 echo "libusb            $libusb"
6130 echo "usb net redir     $usb_redir"
6131 echo "OpenGL support    $opengl"
6132 echo "OpenGL dmabufs    $opengl_dmabuf"
6133 echo "libiscsi support  $libiscsi"
6134 echo "libnfs support    $libnfs"
6135 echo "build guest agent $guest_agent"
6136 echo "QGA VSS support   $guest_agent_with_vss"
6137 echo "QGA w32 disk info $guest_agent_ntddscsi"
6138 echo "QGA MSI support   $guest_agent_msi"
6139 echo "seccomp support   $seccomp"
6140 echo "coroutine backend $coroutine"
6141 echo "coroutine pool    $coroutine_pool"
6142 echo "debug stack usage $debug_stack_usage"
6143 echo "mutex debugging   $debug_mutex"
6144 echo "crypto afalg      $crypto_afalg"
6145 echo "GlusterFS support $glusterfs"
6146 echo "gcov              $gcov_tool"
6147 echo "gcov enabled      $gcov"
6148 echo "TPM support       $tpm"
6149 echo "libssh2 support   $libssh2"
6150 echo "TPM passthrough   $tpm_passthrough"
6151 echo "TPM emulator      $tpm_emulator"
6152 echo "QOM debugging     $qom_cast_debug"
6153 echo "Live block migration $live_block_migration"
6154 echo "lzo support       $lzo"
6155 echo "snappy support    $snappy"
6156 echo "bzip2 support     $bzip2"
6157 echo "lzfse support     $lzfse"
6158 echo "NUMA host support $numa"
6159 echo "libxml2           $libxml2"
6160 echo "tcmalloc support  $tcmalloc"
6161 echo "jemalloc support  $jemalloc"
6162 echo "avx2 optimization $avx2_opt"
6163 echo "replication support $replication"
6164 echo "VxHS block device $vxhs"
6165 echo "bochs support     $bochs"
6166 echo "cloop support     $cloop"
6167 echo "dmg support       $dmg"
6168 echo "qcow v1 support   $qcow1"
6169 echo "vdi support       $vdi"
6170 echo "vvfat support     $vvfat"
6171 echo "qed support       $qed"
6172 echo "parallels support $parallels"
6173 echo "sheepdog support  $sheepdog"
6174 echo "capstone          $capstone"
6175 echo "docker            $docker"
6176 echo "libpmem support   $libpmem"
6177 echo "libudev           $libudev"
6178
6179 if test "$supported_cpu" = "no"; then
6180     echo
6181     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6182     echo
6183     echo "CPU host architecture $cpu support is not currently maintained."
6184     echo "The QEMU project intends to remove support for this host CPU in"
6185     echo "a future release if nobody volunteers to maintain it and to"
6186     echo "provide a build host for our continuous integration setup."
6187     echo "configure has succeeded and you can continue to build, but"
6188     echo "if you care about QEMU on this platform you should contact"
6189     echo "us upstream at [email protected]."
6190 fi
6191
6192 if test "$supported_os" = "no"; then
6193     echo
6194     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6195     echo
6196     echo "Host OS $targetos support is not currently maintained."
6197     echo "The QEMU project intends to remove support for this host OS in"
6198     echo "a future release if nobody volunteers to maintain it and to"
6199     echo "provide a build host for our continuous integration setup."
6200     echo "configure has succeeded and you can continue to build, but"
6201     echo "if you care about QEMU on this platform you should contact"
6202     echo "us upstream at [email protected]."
6203 fi
6204
6205 config_host_mak="config-host.mak"
6206
6207 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6208
6209 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6210 echo >> $config_host_mak
6211
6212 echo all: >> $config_host_mak
6213 echo "prefix=$prefix" >> $config_host_mak
6214 echo "bindir=$bindir" >> $config_host_mak
6215 echo "libdir=$libdir" >> $config_host_mak
6216 echo "libexecdir=$libexecdir" >> $config_host_mak
6217 echo "includedir=$includedir" >> $config_host_mak
6218 echo "mandir=$mandir" >> $config_host_mak
6219 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6220 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6221 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6222 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6223 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6224 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6225 if test "$mingw32" = "no" ; then
6226   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6227 fi
6228 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6229 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6230 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6231 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6232 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6233 echo "GIT=$git" >> $config_host_mak
6234 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6235 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6236
6237 echo "ARCH=$ARCH" >> $config_host_mak
6238
6239 if test "$debug_tcg" = "yes" ; then
6240   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6241 fi
6242 if test "$strip_opt" = "yes" ; then
6243   echo "STRIP=${strip}" >> $config_host_mak
6244 fi
6245 if test "$bigendian" = "yes" ; then
6246   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6247 fi
6248 if test "$mingw32" = "yes" ; then
6249   echo "CONFIG_WIN32=y" >> $config_host_mak
6250   rc_version=$(cat $source_path/VERSION)
6251   version_major=${rc_version%%.*}
6252   rc_version=${rc_version#*.}
6253   version_minor=${rc_version%%.*}
6254   rc_version=${rc_version#*.}
6255   version_subminor=${rc_version%%.*}
6256   version_micro=0
6257   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6258   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6259   if test "$guest_agent_with_vss" = "yes" ; then
6260     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6261     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6262     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6263   fi
6264   if test "$guest_agent_ntddscsi" = "yes" ; then
6265     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6266   fi
6267   if test "$guest_agent_msi" = "yes"; then
6268     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6269     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6270     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6271     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6272     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6273     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6274     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6275   fi
6276 else
6277   echo "CONFIG_POSIX=y" >> $config_host_mak
6278 fi
6279
6280 if test "$linux" = "yes" ; then
6281   echo "CONFIG_LINUX=y" >> $config_host_mak
6282 fi
6283
6284 if test "$darwin" = "yes" ; then
6285   echo "CONFIG_DARWIN=y" >> $config_host_mak
6286 fi
6287
6288 if test "$solaris" = "yes" ; then
6289   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6290 fi
6291 if test "$haiku" = "yes" ; then
6292   echo "CONFIG_HAIKU=y" >> $config_host_mak
6293 fi
6294 if test "$static" = "yes" ; then
6295   echo "CONFIG_STATIC=y" >> $config_host_mak
6296 fi
6297 if test "$profiler" = "yes" ; then
6298   echo "CONFIG_PROFILER=y" >> $config_host_mak
6299 fi
6300 if test "$slirp" = "yes" ; then
6301   echo "CONFIG_SLIRP=y" >> $config_host_mak
6302   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6303 fi
6304 if test "$vde" = "yes" ; then
6305   echo "CONFIG_VDE=y" >> $config_host_mak
6306   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6307 fi
6308 if test "$netmap" = "yes" ; then
6309   echo "CONFIG_NETMAP=y" >> $config_host_mak
6310 fi
6311 if test "$l2tpv3" = "yes" ; then
6312   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6313 fi
6314 if test "$cap_ng" = "yes" ; then
6315   echo "CONFIG_LIBCAP=y" >> $config_host_mak
6316 fi
6317 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6318 for drv in $audio_drv_list; do
6319     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6320     case "$drv" in
6321         alsa | oss | pa | sdl)
6322             echo "$def=m" >> $config_host_mak ;;
6323         *)
6324             echo "$def=y" >> $config_host_mak ;;
6325     esac
6326 done
6327 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6328 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6329 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6330 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6331 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6332 if test "$audio_pt_int" = "yes" ; then
6333   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
6334 fi
6335 if test "$audio_win_int" = "yes" ; then
6336   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6337 fi
6338 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6339 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6340 if test "$vnc" = "yes" ; then
6341   echo "CONFIG_VNC=y" >> $config_host_mak
6342 fi
6343 if test "$vnc_sasl" = "yes" ; then
6344   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6345 fi
6346 if test "$vnc_jpeg" = "yes" ; then
6347   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6348 fi
6349 if test "$vnc_png" = "yes" ; then
6350   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6351 fi
6352 if test "$xkbcommon" = "yes" ; then
6353   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6354   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6355 fi
6356 if test "$fnmatch" = "yes" ; then
6357   echo "CONFIG_FNMATCH=y" >> $config_host_mak
6358 fi
6359 if test "$xfs" = "yes" ; then
6360   echo "CONFIG_XFS=y" >> $config_host_mak
6361 fi
6362 qemu_version=$(head $source_path/VERSION)
6363 echo "VERSION=$qemu_version" >>$config_host_mak
6364 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6365 echo "SRC_PATH=$source_path" >> $config_host_mak
6366 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6367 if [ "$docs" = "yes" ] ; then
6368   echo "BUILD_DOCS=yes" >> $config_host_mak
6369 fi
6370 if test "$modules" = "yes"; then
6371   # $shacmd can generate a hash started with digit, which the compiler doesn't
6372   # like as an symbol. So prefix it with an underscore
6373   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6374   echo "CONFIG_MODULES=y" >> $config_host_mak
6375 fi
6376 if test "$have_x11" = "yes" -a "$need_x11" = "yes"; then
6377   echo "CONFIG_X11=y" >> $config_host_mak
6378   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6379   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6380 fi
6381 if test "$sdl" = "yes" ; then
6382   echo "CONFIG_SDL=m" >> $config_host_mak
6383   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6384   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6385   if test "$sdl_image" = "yes" ; then
6386       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
6387   fi
6388 fi
6389 if test "$cocoa" = "yes" ; then
6390   echo "CONFIG_COCOA=y" >> $config_host_mak
6391 fi
6392 if test "$curses" = "yes" ; then
6393   echo "CONFIG_CURSES=m" >> $config_host_mak
6394   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6395   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6396 fi
6397 if test "$pipe2" = "yes" ; then
6398   echo "CONFIG_PIPE2=y" >> $config_host_mak
6399 fi
6400 if test "$accept4" = "yes" ; then
6401   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6402 fi
6403 if test "$splice" = "yes" ; then
6404   echo "CONFIG_SPLICE=y" >> $config_host_mak
6405 fi
6406 if test "$eventfd" = "yes" ; then
6407   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6408 fi
6409 if test "$memfd" = "yes" ; then
6410   echo "CONFIG_MEMFD=y" >> $config_host_mak
6411 fi
6412 if test "$have_usbfs" = "yes" ; then
6413   echo "CONFIG_USBFS=y" >> $config_host_mak
6414 fi
6415 if test "$fallocate" = "yes" ; then
6416   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6417 fi
6418 if test "$fallocate_punch_hole" = "yes" ; then
6419   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6420 fi
6421 if test "$fallocate_zero_range" = "yes" ; then
6422   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6423 fi
6424 if test "$posix_fallocate" = "yes" ; then
6425   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6426 fi
6427 if test "$sync_file_range" = "yes" ; then
6428   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6429 fi
6430 if test "$fiemap" = "yes" ; then
6431   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6432 fi
6433 if test "$dup3" = "yes" ; then
6434   echo "CONFIG_DUP3=y" >> $config_host_mak
6435 fi
6436 if test "$ppoll" = "yes" ; then
6437   echo "CONFIG_PPOLL=y" >> $config_host_mak
6438 fi
6439 if test "$prctl_pr_set_timerslack" = "yes" ; then
6440   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6441 fi
6442 if test "$epoll" = "yes" ; then
6443   echo "CONFIG_EPOLL=y" >> $config_host_mak
6444 fi
6445 if test "$epoll_create1" = "yes" ; then
6446   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6447 fi
6448 if test "$sendfile" = "yes" ; then
6449   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6450 fi
6451 if test "$timerfd" = "yes" ; then
6452   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6453 fi
6454 if test "$setns" = "yes" ; then
6455   echo "CONFIG_SETNS=y" >> $config_host_mak
6456 fi
6457 if test "$clock_adjtime" = "yes" ; then
6458   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6459 fi
6460 if test "$syncfs" = "yes" ; then
6461   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6462 fi
6463 if test "$inotify" = "yes" ; then
6464   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6465 fi
6466 if test "$inotify1" = "yes" ; then
6467   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6468 fi
6469 if test "$sem_timedwait" = "yes" ; then
6470   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6471 fi
6472 if test "$strchrnul" = "yes" ; then
6473   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6474 fi
6475 if test "$byteswap_h" = "yes" ; then
6476   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6477 fi
6478 if test "$bswap_h" = "yes" ; then
6479   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6480 fi
6481 if test "$curl" = "yes" ; then
6482   echo "CONFIG_CURL=m" >> $config_host_mak
6483   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6484   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6485 fi
6486 if test "$brlapi" = "yes" ; then
6487   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6488   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6489 fi
6490 if test "$bluez" = "yes" ; then
6491   echo "CONFIG_BLUEZ=y" >> $config_host_mak
6492   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
6493 fi
6494 if test "$gtk" = "yes" ; then
6495   echo "CONFIG_GTK=m" >> $config_host_mak
6496   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6497   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6498   if test "$gtk_gl" = "yes" ; then
6499     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6500   fi
6501 fi
6502 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6503 if test "$gnutls" = "yes" ; then
6504   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6505 fi
6506 if test "$gcrypt" = "yes" ; then
6507   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6508   if test "$gcrypt_hmac" = "yes" ; then
6509     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6510   fi
6511 fi
6512 if test "$nettle" = "yes" ; then
6513   echo "CONFIG_NETTLE=y" >> $config_host_mak
6514   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6515 fi
6516 if test "$tasn1" = "yes" ; then
6517   echo "CONFIG_TASN1=y" >> $config_host_mak
6518 fi
6519 if test "$have_ifaddrs_h" = "yes" ; then
6520     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6521 fi
6522 if test "$have_broken_size_max" = "yes" ; then
6523     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6524 fi
6525
6526 # Work around a system header bug with some kernel/XFS header
6527 # versions where they both try to define 'struct fsxattr':
6528 # xfs headers will not try to redefine structs from linux headers
6529 # if this macro is set.
6530 if test "$have_fsxattr" = "yes" ; then
6531     echo "HAVE_FSXATTR=y" >> $config_host_mak
6532 fi
6533 if test "$have_copy_file_range" = "yes" ; then
6534     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6535 fi
6536 if test "$vte" = "yes" ; then
6537   echo "CONFIG_VTE=y" >> $config_host_mak
6538   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6539   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6540 fi
6541 if test "$virglrenderer" = "yes" ; then
6542   echo "CONFIG_VIRGL=y" >> $config_host_mak
6543   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6544   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6545 fi
6546 if test "$xen" = "yes" ; then
6547   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6548   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6549 fi
6550 if test "$linux_aio" = "yes" ; then
6551   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6552 fi
6553 if test "$attr" = "yes" ; then
6554   echo "CONFIG_ATTR=y" >> $config_host_mak
6555 fi
6556 if test "$libattr" = "yes" ; then
6557   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6558 fi
6559 if test "$virtfs" = "yes" ; then
6560   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6561 fi
6562 if test "$mpath" = "yes" ; then
6563   echo "CONFIG_MPATH=y" >> $config_host_mak
6564   if test "$mpathpersist_new_api" = "yes"; then
6565     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
6566   fi
6567 fi
6568 if test "$vhost_scsi" = "yes" ; then
6569   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6570 fi
6571 if test "$vhost_net" = "yes" -a "$vhost_user" = "yes"; then
6572   echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
6573 fi
6574 if test "$vhost_crypto" = "yes" ; then
6575   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6576 fi
6577 if test "$vhost_vsock" = "yes" ; then
6578   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6579 fi
6580 if test "$vhost_user" = "yes" ; then
6581   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6582 fi
6583 if test "$blobs" = "yes" ; then
6584   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6585 fi
6586 if test "$iovec" = "yes" ; then
6587   echo "CONFIG_IOVEC=y" >> $config_host_mak
6588 fi
6589 if test "$preadv" = "yes" ; then
6590   echo "CONFIG_PREADV=y" >> $config_host_mak
6591 fi
6592 if test "$fdt" != "no" ; then
6593   echo "CONFIG_FDT=y" >> $config_host_mak
6594 fi
6595 if test "$membarrier" = "yes" ; then
6596   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
6597 fi
6598 if test "$signalfd" = "yes" ; then
6599   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6600 fi
6601 if test "$optreset" = "yes" ; then
6602   echo "HAVE_OPTRESET=y" >> $config_host_mak
6603 fi
6604 if test "$tcg" = "yes"; then
6605   echo "CONFIG_TCG=y" >> $config_host_mak
6606   if test "$tcg_interpreter" = "yes" ; then
6607     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6608   fi
6609 fi
6610 if test "$fdatasync" = "yes" ; then
6611   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6612 fi
6613 if test "$madvise" = "yes" ; then
6614   echo "CONFIG_MADVISE=y" >> $config_host_mak
6615 fi
6616 if test "$posix_madvise" = "yes" ; then
6617   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6618 fi
6619 if test "$posix_memalign" = "yes" ; then
6620   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6621 fi
6622
6623 if test "$spice" = "yes" ; then
6624   echo "CONFIG_SPICE=y" >> $config_host_mak
6625 fi
6626
6627 if test "$smartcard" = "yes" ; then
6628   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6629   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6630   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6631 fi
6632
6633 if test "$libusb" = "yes" ; then
6634   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6635   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6636   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6637 fi
6638
6639 if test "$usb_redir" = "yes" ; then
6640   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6641   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6642   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6643 fi
6644
6645 if test "$opengl" = "yes" ; then
6646   echo "CONFIG_OPENGL=y" >> $config_host_mak
6647   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6648   if test "$opengl_dmabuf" = "yes" ; then
6649     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6650   fi
6651 fi
6652
6653 if test "$malloc_trim" = "yes" ; then
6654   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
6655 fi
6656
6657 if test "$avx2_opt" = "yes" ; then
6658   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6659 fi
6660
6661 if test "$lzo" = "yes" ; then
6662   echo "CONFIG_LZO=y" >> $config_host_mak
6663 fi
6664
6665 if test "$snappy" = "yes" ; then
6666   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6667 fi
6668
6669 if test "$bzip2" = "yes" ; then
6670   echo "CONFIG_BZIP2=y" >> $config_host_mak
6671   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6672 fi
6673
6674 if test "$lzfse" = "yes" ; then
6675   echo "CONFIG_LZFSE=y" >> $config_host_mak
6676   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
6677 fi
6678
6679 if test "$libiscsi" = "yes" ; then
6680   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
6681   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6682   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6683 fi
6684
6685 if test "$libnfs" = "yes" ; then
6686   echo "CONFIG_LIBNFS=m" >> $config_host_mak
6687   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6688 fi
6689
6690 if test "$seccomp" = "yes"; then
6691   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6692   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6693   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6694 fi
6695
6696 # XXX: suppress that
6697 if [ "$bsd" = "yes" ] ; then
6698   echo "CONFIG_BSD=y" >> $config_host_mak
6699 fi
6700
6701 if test "$localtime_r" = "yes" ; then
6702   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
6703 fi
6704 if test "$qom_cast_debug" = "yes" ; then
6705   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6706 fi
6707 if test "$rbd" = "yes" ; then
6708   echo "CONFIG_RBD=m" >> $config_host_mak
6709   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
6710   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6711 fi
6712
6713 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6714 if test "$coroutine_pool" = "yes" ; then
6715   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6716 else
6717   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6718 fi
6719
6720 if test "$debug_stack_usage" = "yes" ; then
6721   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6722 fi
6723
6724 if test "$crypto_afalg" = "yes" ; then
6725   echo "CONFIG_AF_ALG=y" >> $config_host_mak
6726 fi
6727
6728 if test "$open_by_handle_at" = "yes" ; then
6729   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6730 fi
6731
6732 if test "$linux_magic_h" = "yes" ; then
6733   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6734 fi
6735
6736 if test "$pragma_diagnostic_available" = "yes" ; then
6737   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
6738 fi
6739
6740 if test "$valgrind_h" = "yes" ; then
6741   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6742 fi
6743
6744 if test "$have_asan_iface_fiber" = "yes" ; then
6745     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6746 fi
6747
6748 if test "$has_environ" = "yes" ; then
6749   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6750 fi
6751
6752 if test "$cpuid_h" = "yes" ; then
6753   echo "CONFIG_CPUID_H=y" >> $config_host_mak
6754 fi
6755
6756 if test "$int128" = "yes" ; then
6757   echo "CONFIG_INT128=y" >> $config_host_mak
6758 fi
6759
6760 if test "$atomic128" = "yes" ; then
6761   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6762 fi
6763
6764 if test "$cmpxchg128" = "yes" ; then
6765   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
6766 fi
6767
6768 if test "$atomic64" = "yes" ; then
6769   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6770 fi
6771
6772 if test "$vector16" = "yes" ; then
6773   echo "CONFIG_VECTOR16=y" >> $config_host_mak
6774 fi
6775
6776 if test "$getauxval" = "yes" ; then
6777   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6778 fi
6779
6780 if test "$glusterfs" = "yes" ; then
6781   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
6782   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6783   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6784 fi
6785
6786 if test "$glusterfs_xlator_opt" = "yes" ; then
6787   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6788 fi
6789
6790 if test "$glusterfs_discard" = "yes" ; then
6791   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6792 fi
6793
6794 if test "$glusterfs_fallocate" = "yes" ; then
6795   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6796 fi
6797
6798 if test "$glusterfs_zerofill" = "yes" ; then
6799   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6800 fi
6801
6802 if test "$libssh2" = "yes" ; then
6803   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
6804   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
6805   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
6806 fi
6807
6808 if test "$live_block_migration" = "yes" ; then
6809   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6810 fi
6811
6812 if test "$tpm" = "yes"; then
6813   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
6814   # TPM passthrough support?
6815   if test "$tpm_passthrough" = "yes"; then
6816     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
6817   fi
6818   # TPM emulator support?
6819   if test "$tpm_emulator" = "yes"; then
6820     echo "CONFIG_TPM_EMULATOR=y" >> $config_host_mak
6821   fi
6822 fi
6823
6824 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6825 if have_backend "nop"; then
6826   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6827 fi
6828 if have_backend "simple"; then
6829   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6830   # Set the appropriate trace file.
6831   trace_file="\"$trace_file-\" FMT_pid"
6832 fi
6833 if have_backend "log"; then
6834   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6835 fi
6836 if have_backend "ust"; then
6837   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6838 fi
6839 if have_backend "dtrace"; then
6840   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6841   if test "$trace_backend_stap" = "yes" ; then
6842     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6843   fi
6844 fi
6845 if have_backend "ftrace"; then
6846   if test "$linux" = "yes" ; then
6847     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6848   else
6849     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6850   fi
6851 fi
6852 if have_backend "syslog"; then
6853   if test "$posix_syslog" = "yes" ; then
6854     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6855   else
6856     feature_not_found "syslog(trace backend)" "syslog not available"
6857   fi
6858 fi
6859 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6860
6861 if test "$rdma" = "yes" ; then
6862   echo "CONFIG_RDMA=y" >> $config_host_mak
6863   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6864 fi
6865
6866 if test "$pvrdma" = "yes" ; then
6867   echo "CONFIG_PVRDMA=y" >> $config_host_mak
6868 fi
6869
6870 if test "$have_rtnetlink" = "yes" ; then
6871   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6872 fi
6873
6874 if test "$libxml2" = "yes" ; then
6875   echo "CONFIG_LIBXML2=y" >> $config_host_mak
6876   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
6877   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
6878 fi
6879
6880 if test "$replication" = "yes" ; then
6881   echo "CONFIG_REPLICATION=y" >> $config_host_mak
6882 fi
6883
6884 if test "$have_af_vsock" = "yes" ; then
6885   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6886 fi
6887
6888 if test "$have_sysmacros" = "yes" ; then
6889   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6890 fi
6891
6892 if test "$have_static_assert" = "yes" ; then
6893   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6894 fi
6895
6896 if test "$have_utmpx" = "yes" ; then
6897   echo "HAVE_UTMPX=y" >> $config_host_mak
6898 fi
6899
6900 if test "$ivshmem" = "yes" ; then
6901   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6902 fi
6903 if test "$capstone" != "no" ; then
6904   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
6905 fi
6906 if test "$debug_mutex" = "yes" ; then
6907   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
6908 fi
6909
6910 # Hold two types of flag:
6911 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
6912 #                                     a thread we have a handle to
6913 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
6914 #                                     platform
6915 if test "$pthread_setname_np_w_tid" = "yes" ; then
6916   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6917   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
6918 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
6919   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6920   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
6921 fi
6922
6923 if test "$vxhs" = "yes" ; then
6924   echo "CONFIG_VXHS=y" >> $config_host_mak
6925   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
6926 fi
6927
6928 if test "$libpmem" = "yes" ; then
6929   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
6930 fi
6931
6932 if test "$bochs" = "yes" ; then
6933   echo "CONFIG_BOCHS=y" >> $config_host_mak
6934 fi
6935 if test "$cloop" = "yes" ; then
6936   echo "CONFIG_CLOOP=y" >> $config_host_mak
6937 fi
6938 if test "$dmg" = "yes" ; then
6939   echo "CONFIG_DMG=y" >> $config_host_mak
6940 fi
6941 if test "$qcow1" = "yes" ; then
6942   echo "CONFIG_QCOW1=y" >> $config_host_mak
6943 fi
6944 if test "$vdi" = "yes" ; then
6945   echo "CONFIG_VDI=y" >> $config_host_mak
6946 fi
6947 if test "$vvfat" = "yes" ; then
6948   echo "CONFIG_VVFAT=y" >> $config_host_mak
6949 fi
6950 if test "$qed" = "yes" ; then
6951   echo "CONFIG_QED=y" >> $config_host_mak
6952 fi
6953 if test "$parallels" = "yes" ; then
6954   echo "CONFIG_PARALLELS=y" >> $config_host_mak
6955 fi
6956 if test "$sheepdog" = "yes" ; then
6957   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
6958 fi
6959
6960 if test "$tcg_interpreter" = "yes"; then
6961   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
6962 elif test "$ARCH" = "sparc64" ; then
6963   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
6964 elif test "$ARCH" = "s390x" ; then
6965   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
6966 elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
6967   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
6968 elif test "$ARCH" = "ppc64" ; then
6969   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
6970 elif test "$ARCH" = "riscv32" -o "$ARCH" = "riscv64" ; then
6971   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
6972 else
6973   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
6974 fi
6975 QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg $QEMU_INCLUDES"
6976
6977 echo "TOOLS=$tools" >> $config_host_mak
6978 echo "ROMS=$roms" >> $config_host_mak
6979 echo "MAKE=$make" >> $config_host_mak
6980 echo "INSTALL=$install" >> $config_host_mak
6981 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
6982 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
6983 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
6984 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
6985 echo "PYTHON=$python" >> $config_host_mak
6986 echo "PYTHON_VERSION=$python_version" >> $config_host_mak
6987 echo "CC=$cc" >> $config_host_mak
6988 if $iasl -h > /dev/null 2>&1; then
6989   echo "IASL=$iasl" >> $config_host_mak
6990 fi
6991 echo "HOST_CC=$host_cc" >> $config_host_mak
6992 echo "CXX=$cxx" >> $config_host_mak
6993 echo "OBJCC=$objcc" >> $config_host_mak
6994 echo "AR=$ar" >> $config_host_mak
6995 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
6996 echo "AS=$as" >> $config_host_mak
6997 echo "CCAS=$ccas" >> $config_host_mak
6998 echo "CPP=$cpp" >> $config_host_mak
6999 echo "OBJCOPY=$objcopy" >> $config_host_mak
7000 echo "LD=$ld" >> $config_host_mak
7001 echo "RANLIB=$ranlib" >> $config_host_mak
7002 echo "NM=$nm" >> $config_host_mak
7003 echo "WINDRES=$windres" >> $config_host_mak
7004 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7005 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7006 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7007 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7008 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7009 if test "$sparse" = "yes" ; then
7010   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7011   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7012   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7013   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7014   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7015 fi
7016 if test "$cross_prefix" != ""; then
7017   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
7018 else
7019   echo "AUTOCONF_HOST := "                             >> $config_host_mak
7020 fi
7021 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
7022 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7023 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7024 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7025 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7026 echo "LIBS+=$LIBS" >> $config_host_mak
7027 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7028 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7029 echo "EXESUF=$EXESUF" >> $config_host_mak
7030 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7031 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7032 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7033 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7034 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7035 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7036 if test "$gcov" = "yes" ; then
7037   echo "CONFIG_GCOV=y" >> $config_host_mak
7038   echo "GCOV=$gcov_tool" >> $config_host_mak
7039 fi
7040
7041 if test "$docker" != "no"; then
7042     echo "HAVE_USER_DOCKER=y" >> $config_host_mak
7043 fi
7044
7045 if test "$libudev" != "no"; then
7046     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7047     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7048 fi
7049
7050 # use included Linux headers
7051 if test "$linux" = "yes" ; then
7052   mkdir -p linux-headers
7053   case "$cpu" in
7054   i386|x86_64|x32)
7055     linux_arch=x86
7056     ;;
7057   ppc|ppc64)
7058     linux_arch=powerpc
7059     ;;
7060   s390x)
7061     linux_arch=s390
7062     ;;
7063   aarch64)
7064     linux_arch=arm64
7065     ;;
7066   mips64)
7067     linux_arch=mips
7068     ;;
7069   *)
7070     # For most CPUs the kernel architecture name and QEMU CPU name match.
7071     linux_arch="$cpu"
7072     ;;
7073   esac
7074     # For non-KVM architectures we will not have asm headers
7075     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7076       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7077     fi
7078 fi
7079
7080 for target in $target_list; do
7081 target_dir="$target"
7082 config_target_mak=$target_dir/config-target.mak
7083 target_name=$(echo $target | cut -d '-' -f 1)
7084 target_bigendian="no"
7085
7086 case "$target_name" in
7087   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7088   target_bigendian=yes
7089   ;;
7090 esac
7091 target_softmmu="no"
7092 target_user_only="no"
7093 target_linux_user="no"
7094 target_bsd_user="no"
7095 case "$target" in
7096   ${target_name}-softmmu)
7097     target_softmmu="yes"
7098     ;;
7099   ${target_name}-linux-user)
7100     target_user_only="yes"
7101     target_linux_user="yes"
7102     ;;
7103   ${target_name}-bsd-user)
7104     target_user_only="yes"
7105     target_bsd_user="yes"
7106     ;;
7107   *)
7108     error_exit "Target '$target' not recognised"
7109     exit 1
7110     ;;
7111 esac
7112
7113 target_compiler=""
7114 target_compiler_static=""
7115 target_compiler_cflags=""
7116
7117 mkdir -p $target_dir
7118 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7119
7120 bflt="no"
7121 mttcg="no"
7122 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7123 gdb_xml_files=""
7124
7125 TARGET_ARCH="$target_name"
7126 TARGET_BASE_ARCH=""
7127 TARGET_ABI_DIR=""
7128
7129 case "$target_name" in
7130   i386)
7131     mttcg="yes"
7132     gdb_xml_files="i386-32bit.xml i386-32bit-core.xml i386-32bit-sse.xml"
7133     target_compiler=$cross_cc_i386
7134     target_compiler_cflags=$cross_cc_ccflags_i386
7135   ;;
7136   x86_64)
7137     TARGET_BASE_ARCH=i386
7138     mttcg="yes"
7139     gdb_xml_files="i386-64bit.xml i386-64bit-core.xml i386-64bit-sse.xml"
7140     target_compiler=$cross_cc_x86_64
7141   ;;
7142   alpha)
7143     mttcg="yes"
7144     target_compiler=$cross_cc_alpha
7145   ;;
7146   arm|armeb)
7147     TARGET_ARCH=arm
7148     bflt="yes"
7149     mttcg="yes"
7150     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7151     target_compiler=$cross_cc_arm
7152     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
7153   ;;
7154   aarch64|aarch64_be)
7155     TARGET_ARCH=aarch64
7156     TARGET_BASE_ARCH=arm
7157     bflt="yes"
7158     mttcg="yes"
7159     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7160     target_compiler=$cross_cc_aarch64
7161     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
7162   ;;
7163   cris)
7164     target_compiler=$cross_cc_cris
7165   ;;
7166   hppa)
7167     mttcg="yes"
7168     target_compiler=$cross_cc_hppa
7169   ;;
7170   lm32)
7171     target_compiler=$cross_cc_lm32
7172   ;;
7173   m68k)
7174     bflt="yes"
7175     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
7176     target_compiler=$cross_cc_m68k
7177   ;;
7178   microblaze|microblazeel)
7179     TARGET_ARCH=microblaze
7180     bflt="yes"
7181     echo "TARGET_ABI32=y" >> $config_target_mak
7182     target_compiler=$cross_cc_microblaze
7183   ;;
7184   mips|mipsel)
7185     TARGET_ARCH=mips
7186     target_compiler=$cross_cc_mips
7187     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7188   ;;
7189   mipsn32|mipsn32el)
7190     TARGET_ARCH=mips64
7191     TARGET_BASE_ARCH=mips
7192     target_compiler=$cross_cc_mipsn32
7193     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7194     echo "TARGET_ABI32=y" >> $config_target_mak
7195   ;;
7196   mips64|mips64el)
7197     TARGET_ARCH=mips64
7198     TARGET_BASE_ARCH=mips
7199     target_compiler=$cross_cc_mips64
7200     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7201   ;;
7202   moxie)
7203     target_compiler=$cross_cc_moxie
7204   ;;
7205   nios2)
7206     target_compiler=$cross_cc_nios2
7207   ;;
7208   or1k)
7209     target_compiler=$cross_cc_or1k
7210     TARGET_ARCH=openrisc
7211     TARGET_BASE_ARCH=openrisc
7212   ;;
7213   ppc)
7214     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7215     target_compiler=$cross_cc_powerpc
7216   ;;
7217   ppc64)
7218     TARGET_BASE_ARCH=ppc
7219     TARGET_ABI_DIR=ppc
7220     mttcg=yes
7221     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7222     target_compiler=$cross_cc_ppc64
7223   ;;
7224   ppc64le)
7225     TARGET_ARCH=ppc64
7226     TARGET_BASE_ARCH=ppc
7227     TARGET_ABI_DIR=ppc
7228     mttcg=yes
7229     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7230     target_compiler=$cross_cc_ppc64le
7231   ;;
7232   ppc64abi32)
7233     TARGET_ARCH=ppc64
7234     TARGET_BASE_ARCH=ppc
7235     TARGET_ABI_DIR=ppc
7236     echo "TARGET_ABI32=y" >> $config_target_mak
7237     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7238     target_compiler=$cross_cc_ppc64abi32
7239   ;;
7240   riscv32)
7241     TARGET_BASE_ARCH=riscv
7242     TARGET_ABI_DIR=riscv
7243     mttcg=yes
7244     target_compiler=$cross_cc_riscv32
7245   ;;
7246   riscv64)
7247     TARGET_BASE_ARCH=riscv
7248     TARGET_ABI_DIR=riscv
7249     mttcg=yes
7250     target_compiler=$cross_cc_riscv64
7251   ;;
7252   sh4|sh4eb)
7253     TARGET_ARCH=sh4
7254     bflt="yes"
7255     target_compiler=$cross_cc_sh4
7256   ;;
7257   sparc)
7258     target_compiler=$cross_cc_sparc
7259   ;;
7260   sparc64)
7261     TARGET_BASE_ARCH=sparc
7262     target_compiler=$cross_cc_sparc64
7263   ;;
7264   sparc32plus)
7265     TARGET_ARCH=sparc64
7266     TARGET_BASE_ARCH=sparc
7267     TARGET_ABI_DIR=sparc
7268     target_compiler=$cross_cc_sparc32plus
7269     echo "TARGET_ABI32=y" >> $config_target_mak
7270   ;;
7271   s390x)
7272     mttcg=yes
7273     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7274     target_compiler=$cross_cc_s390x
7275   ;;
7276   tilegx)
7277     target_compiler=$cross_cc_tilegx
7278   ;;
7279   tricore)
7280     target_compiler=$cross_cc_tricore
7281   ;;
7282   unicore32)
7283     target_compiler=$cross_cc_unicore32
7284   ;;
7285   xtensa|xtensaeb)
7286     TARGET_ARCH=xtensa
7287     bflt="yes"
7288     mttcg="yes"
7289     target_compiler=$cross_cc_xtensa
7290   ;;
7291   *)
7292     error_exit "Unsupported target CPU"
7293   ;;
7294 esac
7295 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7296 if [ "$TARGET_BASE_ARCH" = "" ]; then
7297   TARGET_BASE_ARCH=$TARGET_ARCH
7298 fi
7299
7300 # Do we have a cross compiler for this target?
7301 if has $target_compiler; then
7302
7303     write_c_skeleton
7304
7305     if ! do_compiler "$target_compiler" $target_compiler_cflags -o $TMPE $TMPC -static ; then
7306         # For host systems we might get away with building without -static
7307         if ! do_compiler "$target_compiler" $target_compiler_cflags -o $TMPE $TMPC ; then
7308             target_compiler=""
7309         else
7310             enabled_cross_compilers="${enabled_cross_compilers} '${target_compiler}'"
7311             target_compiler_static="n"
7312         fi
7313     else
7314         enabled_cross_compilers="${enabled_cross_compilers} '${target_compiler}'"
7315         target_compiler_static="y"
7316     fi
7317 else
7318     target_compiler=""
7319 fi
7320
7321 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
7322
7323 upper() {
7324     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7325 }
7326
7327 target_arch_name="$(upper $TARGET_ARCH)"
7328 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7329 echo "TARGET_NAME=$target_name" >> $config_target_mak
7330 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7331 if [ "$TARGET_ABI_DIR" = "" ]; then
7332   TARGET_ABI_DIR=$TARGET_ARCH
7333 fi
7334 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7335 if [ "$HOST_VARIANT_DIR" != "" ]; then
7336     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7337 fi
7338
7339 if supported_xen_target $target; then
7340     echo "CONFIG_XEN=y" >> $config_target_mak
7341     if test "$xen_pci_passthrough" = yes; then
7342         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7343     fi
7344 fi
7345 if supported_kvm_target $target; then
7346     echo "CONFIG_KVM=y" >> $config_target_mak
7347     if test "$vhost_net" = "yes" ; then
7348         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
7349         if test "$vhost_user" = "yes" ; then
7350             echo "CONFIG_VHOST_USER_NET_TEST_$target_name=y" >> $config_host_mak
7351         fi
7352     fi
7353 fi
7354 if supported_hax_target $target; then
7355     echo "CONFIG_HAX=y" >> $config_target_mak
7356 fi
7357 if supported_hvf_target $target; then
7358     echo "CONFIG_HVF=y" >> $config_target_mak
7359 fi
7360 if supported_whpx_target $target; then
7361     echo "CONFIG_WHPX=y" >> $config_target_mak
7362 fi
7363 if test "$target_bigendian" = "yes" ; then
7364   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7365 fi
7366 if test "$target_softmmu" = "yes" ; then
7367   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7368   if test "$mttcg" = "yes" ; then
7369     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7370   fi
7371 fi
7372 if test "$target_user_only" = "yes" ; then
7373   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7374   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7375 fi
7376 if test "$target_linux_user" = "yes" ; then
7377   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7378 fi
7379 list=""
7380 if test ! -z "$gdb_xml_files" ; then
7381   for x in $gdb_xml_files; do
7382     list="$list $source_path/gdb-xml/$x"
7383   done
7384   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7385 fi
7386
7387 if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
7388   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7389 fi
7390 if test "$target_bsd_user" = "yes" ; then
7391   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7392 fi
7393
7394 if test -n "$target_compiler"; then
7395   echo "CROSS_CC_GUEST=\"$target_compiler\"" >> $config_target_mak
7396
7397   if test -n "$target_compiler_static"; then
7398       echo "CROSS_CC_GUEST_STATIC=$target_compiler_static" >> $config_target_mak
7399   fi
7400
7401   if test -n "$target_compiler_cflags"; then
7402       echo "CROSS_CC_GUEST_CFLAGS=$target_compiler_cflags" >> $config_target_mak
7403   fi
7404 fi
7405
7406
7407 # generate QEMU_CFLAGS/LDFLAGS for targets
7408
7409 cflags=""
7410 ldflags=""
7411
7412 disas_config() {
7413   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7414   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7415 }
7416
7417 for i in $ARCH $TARGET_BASE_ARCH ; do
7418   case "$i" in
7419   alpha)
7420     disas_config "ALPHA"
7421   ;;
7422   aarch64)
7423     if test -n "${cxx}"; then
7424       disas_config "ARM_A64"
7425     fi
7426   ;;
7427   arm)
7428     disas_config "ARM"
7429     if test -n "${cxx}"; then
7430       disas_config "ARM_A64"
7431     fi
7432   ;;
7433   cris)
7434     disas_config "CRIS"
7435   ;;
7436   hppa)
7437     disas_config "HPPA"
7438   ;;
7439   i386|x86_64|x32)
7440     disas_config "I386"
7441   ;;
7442   lm32)
7443     disas_config "LM32"
7444   ;;
7445   m68k)
7446     disas_config "M68K"
7447   ;;
7448   microblaze*)
7449     disas_config "MICROBLAZE"
7450   ;;
7451   mips*)
7452     disas_config "MIPS"
7453     if test -n "${cxx}"; then
7454       disas_config "NANOMIPS"
7455     fi
7456   ;;
7457   moxie*)
7458     disas_config "MOXIE"
7459   ;;
7460   nios2)
7461     disas_config "NIOS2"
7462   ;;
7463   or1k)
7464     disas_config "OPENRISC"
7465   ;;
7466   ppc*)
7467     disas_config "PPC"
7468   ;;
7469   riscv*)
7470     disas_config "RISCV"
7471   ;;
7472   s390*)
7473     disas_config "S390"
7474   ;;
7475   sh4)
7476     disas_config "SH4"
7477   ;;
7478   sparc*)
7479     disas_config "SPARC"
7480   ;;
7481   xtensa*)
7482     disas_config "XTENSA"
7483   ;;
7484   esac
7485 done
7486 if test "$tcg_interpreter" = "yes" ; then
7487   disas_config "TCI"
7488 fi
7489
7490 case "$ARCH" in
7491 alpha)
7492   # Ensure there's only a single GP
7493   cflags="-msmall-data $cflags"
7494 ;;
7495 esac
7496
7497 if test "$gprof" = "yes" ; then
7498   echo "TARGET_GPROF=y" >> $config_target_mak
7499   if test "$target_linux_user" = "yes" ; then
7500     cflags="-p $cflags"
7501     ldflags="-p $ldflags"
7502   fi
7503   if test "$target_softmmu" = "yes" ; then
7504     ldflags="-p $ldflags"
7505     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7506   fi
7507 fi
7508
7509 if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
7510   ldflags="$ldflags $textseg_ldflags"
7511 fi
7512
7513 # Newer kernels on s390 check for an S390_PGSTE program header and
7514 # enable the pgste page table extensions in that case. This makes
7515 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7516 # header if
7517 #  - we build on s390x
7518 #  - we build the system emulation for s390x (qemu-system-s390x)
7519 #  - KVM is enabled
7520 #  - the linker supports --s390-pgste
7521 if test "$TARGET_ARCH" = "s390x" -a "$target_softmmu" = "yes"  -a "$ARCH" = "s390x" -a "$kvm" = "yes"; then
7522     if ld_has --s390-pgste ; then
7523         ldflags="-Wl,--s390-pgste $ldflags"
7524     fi
7525 fi
7526
7527 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7528 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7529
7530 done # for target in $targets
7531
7532 if test -n "$enabled_cross_compilers"; then
7533     echo
7534     echo "NOTE: cross-compilers enabled: $enabled_cross_compilers"
7535 fi
7536
7537 if [ "$fdt" = "git" ]; then
7538   echo "config-host.h: subdir-dtc" >> $config_host_mak
7539 fi
7540 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7541   echo "config-host.h: subdir-capstone" >> $config_host_mak
7542 fi
7543 if test -n "$LIBCAPSTONE"; then
7544   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7545 fi
7546
7547 if test "$numa" = "yes"; then
7548   echo "CONFIG_NUMA=y" >> $config_host_mak
7549 fi
7550
7551 if test "$ccache_cpp2" = "yes"; then
7552   echo "export CCACHE_CPP2=y" >> $config_host_mak
7553 fi
7554
7555 # If we're using a separate build tree, set it up now.
7556 # DIRS are directories which we simply mkdir in the build tree;
7557 # LINKS are things to symlink back into the source tree
7558 # (these can be both files and directories).
7559 # Caution: do not add files or directories here using wildcards. This
7560 # will result in problems later if a new file matching the wildcard is
7561 # added to the source tree -- nothing will cause configure to be rerun
7562 # so the build tree will be missing the link back to the new file, and
7563 # tests might fail. Prefer to keep the relevant files in their own
7564 # directory and symlink the directory instead.
7565 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests tests/vm"
7566 DIRS="$DIRS tests/fp"
7567 DIRS="$DIRS docs docs/interop fsdev scsi"
7568 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
7569 DIRS="$DIRS roms/seabios roms/vgabios"
7570 LINKS="Makefile tests/tcg/Makefile qdict-test-data.txt"
7571 LINKS="$LINKS tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
7572 LINKS="$LINKS tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
7573 LINKS="$LINKS tests/fp/Makefile"
7574 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
7575 LINKS="$LINKS pc-bios/spapr-rtas/Makefile"
7576 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
7577 LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
7578 LINKS="$LINKS pc-bios/qemu-icon.bmp"
7579 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
7580 LINKS="$LINKS tests/acceptance tests/data"
7581 LINKS="$LINKS tests/qemu-iotests/check"
7582 for bios_file in \
7583     $source_path/pc-bios/*.bin \
7584     $source_path/pc-bios/*.lid \
7585     $source_path/pc-bios/*.aml \
7586     $source_path/pc-bios/*.rom \
7587     $source_path/pc-bios/*.dtb \
7588     $source_path/pc-bios/*.img \
7589     $source_path/pc-bios/openbios-* \
7590     $source_path/pc-bios/u-boot.* \
7591     $source_path/pc-bios/palcode-*
7592 do
7593     LINKS="$LINKS pc-bios/$(basename $bios_file)"
7594 done
7595 mkdir -p $DIRS
7596 for f in $LINKS ; do
7597     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
7598         symlink "$source_path/$f" "$f"
7599     fi
7600 done
7601
7602 # temporary config to build submodules
7603 for rom in seabios vgabios ; do
7604     config_mak=roms/$rom/config.mak
7605     echo "# Automatically generated by configure - do not modify" > $config_mak
7606     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7607     echo "AS=$as" >> $config_mak
7608     echo "CCAS=$ccas" >> $config_mak
7609     echo "CC=$cc" >> $config_mak
7610     echo "BCC=bcc" >> $config_mak
7611     echo "CPP=$cpp" >> $config_mak
7612     echo "OBJCOPY=objcopy" >> $config_mak
7613     echo "IASL=$iasl" >> $config_mak
7614     echo "LD=$ld" >> $config_mak
7615     echo "RANLIB=$ranlib" >> $config_mak
7616 done
7617
7618 # set up qemu-iotests in this build directory
7619 iotests_common_env="tests/qemu-iotests/common.env"
7620
7621 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7622 echo >> "$iotests_common_env"
7623 echo "export PYTHON='$python'" >> "$iotests_common_env"
7624
7625 # Save the configure command line for later reuse.
7626 cat <<EOD >config.status
7627 #!/bin/sh
7628 # Generated by configure.
7629 # Run this file to recreate the current configuration.
7630 # Compiler output produced by configure, useful for debugging
7631 # configure, is in config.log if it exists.
7632 EOD
7633
7634 preserve_env() {
7635     envname=$1
7636
7637     eval envval=\$$envname
7638
7639     if test -n "$envval"
7640     then
7641         echo "$envname='$envval'" >> config.status
7642         echo "export $envname" >> config.status
7643     else
7644         echo "unset $envname" >> config.status
7645     fi
7646 }
7647
7648 # Preserve various env variables that influence what
7649 # features/build target configure will detect
7650 preserve_env AR
7651 preserve_env AS
7652 preserve_env CC
7653 preserve_env CPP
7654 preserve_env CXX
7655 preserve_env INSTALL
7656 preserve_env LD
7657 preserve_env LD_LIBRARY_PATH
7658 preserve_env LIBTOOL
7659 preserve_env MAKE
7660 preserve_env NM
7661 preserve_env OBJCOPY
7662 preserve_env PATH
7663 preserve_env PKG_CONFIG
7664 preserve_env PKG_CONFIG_LIBDIR
7665 preserve_env PKG_CONFIG_PATH
7666 preserve_env PYTHON
7667 preserve_env SDL_CONFIG
7668 preserve_env SDL2_CONFIG
7669 preserve_env SMBD
7670 preserve_env STRIP
7671 preserve_env WINDRES
7672
7673 printf "exec" >>config.status
7674 printf " '%s'" "$0" "$@" >>config.status
7675 echo ' "$@"' >>config.status
7676 chmod +x config.status
7677
7678 rm -r "$TMPDIR1"
This page took 0.431018 seconds and 4 git commands to generate.