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tests: qgraph API for the qtest driver framework
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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=""
372 vhost_crypto=""
373 vhost_scsi=""
374 vhost_vsock=""
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 auth_pam=""
467 vte=""
468 virglrenderer=""
469 tpm="yes"
470 libssh2=""
471 live_block_migration="yes"
472 numa=""
473 tcmalloc="no"
474 jemalloc="no"
475 replication="yes"
476 vxhs=""
477 bochs="yes"
478 cloop="yes"
479 dmg="yes"
480 qcow1="yes"
481 vdi="yes"
482 vvfat="yes"
483 qed="yes"
484 parallels="yes"
485 sheepdog="yes"
486 libxml2=""
487 docker="no"
488 debug_mutex="no"
489 libpmem=""
490 libudev="no"
491
492 # cross compilers defaults, can be overridden with --cross-cc-ARCH
493 cross_cc_aarch64="aarch64-linux-gnu-gcc"
494 cross_cc_aarch64_be="$cross_cc_aarch64"
495 cross_cc_cflags_aarch64_be="-mbig-endian"
496 cross_cc_arm="arm-linux-gnueabihf-gcc"
497 cross_cc_cflags_armeb="-mbig-endian"
498 cross_cc_i386="i386-pc-linux-gnu-gcc"
499 cross_cc_cflags_i386=""
500 cross_cc_powerpc="powerpc-linux-gnu-gcc"
501 cross_cc_powerpc="powerpc-linux-gnu-gcc"
502
503 enabled_cross_compilers=""
504
505 supported_cpu="no"
506 supported_os="no"
507 bogus_os="no"
508 malloc_trim=""
509
510 # parse CC options first
511 for opt do
512   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
513   case "$opt" in
514   --cross-prefix=*) cross_prefix="$optarg"
515   ;;
516   --cc=*) CC="$optarg"
517   ;;
518   --cxx=*) CXX="$optarg"
519   ;;
520   --source-path=*) source_path="$optarg"
521   ;;
522   --cpu=*) cpu="$optarg"
523   ;;
524   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
525   ;;
526   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
527   ;;
528   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
529                      EXTRA_LDFLAGS="$optarg"
530   ;;
531   --enable-debug-info) debug_info="yes"
532   ;;
533   --disable-debug-info) debug_info="no"
534   ;;
535   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
536   ;;
537   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
538                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
539   ;;
540   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
541                 eval "cross_cc_${cc_arch}=\$optarg"
542   ;;
543   esac
544 done
545 # OS specific
546 # Using uname is really, really broken.  Once we have the right set of checks
547 # we can eliminate its usage altogether.
548
549 # Preferred compiler:
550 #  ${CC} (if set)
551 #  ${cross_prefix}gcc (if cross-prefix specified)
552 #  system compiler
553 if test -z "${CC}${cross_prefix}"; then
554   cc="$host_cc"
555 else
556   cc="${CC-${cross_prefix}gcc}"
557 fi
558
559 if test -z "${CXX}${cross_prefix}"; then
560   cxx="c++"
561 else
562   cxx="${CXX-${cross_prefix}g++}"
563 fi
564
565 ar="${AR-${cross_prefix}ar}"
566 as="${AS-${cross_prefix}as}"
567 ccas="${CCAS-$cc}"
568 cpp="${CPP-$cc -E}"
569 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
570 ld="${LD-${cross_prefix}ld}"
571 ranlib="${RANLIB-${cross_prefix}ranlib}"
572 nm="${NM-${cross_prefix}nm}"
573 strip="${STRIP-${cross_prefix}strip}"
574 windres="${WINDRES-${cross_prefix}windres}"
575 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
576 query_pkg_config() {
577     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
578 }
579 pkg_config=query_pkg_config
580 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
581
582 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
583 ARFLAGS="${ARFLAGS-rv}"
584
585 # default flags for all hosts
586 # We use -fwrapv to tell the compiler that we require a C dialect where
587 # left shift of signed integers is well defined and has the expected
588 # 2s-complement style results. (Both clang and gcc agree that it
589 # provides these semantics.)
590 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
591 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
592 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
593 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
594 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
595 if test "$debug_info" = "yes"; then
596     CFLAGS="-g $CFLAGS"
597     LDFLAGS="-g $LDFLAGS"
598 fi
599
600 # make source path absolute
601 source_path=$(cd "$source_path"; pwd)
602
603 # running configure in the source tree?
604 # we know that's the case if configure is there.
605 if test -f "./configure"; then
606     pwd_is_source_path="y"
607 else
608     pwd_is_source_path="n"
609 fi
610
611 check_define() {
612 cat > $TMPC <<EOF
613 #if !defined($1)
614 #error $1 not defined
615 #endif
616 int main(void) { return 0; }
617 EOF
618   compile_object
619 }
620
621 check_include() {
622 cat > $TMPC <<EOF
623 #include <$1>
624 int main(void) { return 0; }
625 EOF
626   compile_object
627 }
628
629 write_c_skeleton() {
630     cat > $TMPC <<EOF
631 int main(void) { return 0; }
632 EOF
633 }
634
635 if check_define __linux__ ; then
636   targetos="Linux"
637 elif check_define _WIN32 ; then
638   targetos='MINGW32'
639 elif check_define __OpenBSD__ ; then
640   targetos='OpenBSD'
641 elif check_define __sun__ ; then
642   targetos='SunOS'
643 elif check_define __HAIKU__ ; then
644   targetos='Haiku'
645 elif check_define __FreeBSD__ ; then
646   targetos='FreeBSD'
647 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
648   targetos='GNU/kFreeBSD'
649 elif check_define __DragonFly__ ; then
650   targetos='DragonFly'
651 elif check_define __NetBSD__; then
652   targetos='NetBSD'
653 elif check_define __APPLE__; then
654   targetos='Darwin'
655 else
656   # This is a fatal error, but don't report it yet, because we
657   # might be going to just print the --help text, or it might
658   # be the result of a missing compiler.
659   targetos='bogus'
660   bogus_os='yes'
661 fi
662
663 # Some host OSes need non-standard checks for which CPU to use.
664 # Note that these checks are broken for cross-compilation: if you're
665 # cross-compiling to one of these OSes then you'll need to specify
666 # the correct CPU with the --cpu option.
667 case $targetos in
668 Darwin)
669   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
670   # run 64-bit userspace code.
671   # If the user didn't specify a CPU explicitly and the kernel says this is
672   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
673   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
674     cpu="x86_64"
675   fi
676   ;;
677 SunOS)
678   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
679   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
680     cpu="x86_64"
681   fi
682 esac
683
684 if test ! -z "$cpu" ; then
685   # command line argument
686   :
687 elif check_define __i386__ ; then
688   cpu="i386"
689 elif check_define __x86_64__ ; then
690   if check_define __ILP32__ ; then
691     cpu="x32"
692   else
693     cpu="x86_64"
694   fi
695 elif check_define __sparc__ ; then
696   if check_define __arch64__ ; then
697     cpu="sparc64"
698   else
699     cpu="sparc"
700   fi
701 elif check_define _ARCH_PPC ; then
702   if check_define _ARCH_PPC64 ; then
703     cpu="ppc64"
704   else
705     cpu="ppc"
706   fi
707 elif check_define __mips__ ; then
708   cpu="mips"
709 elif check_define __s390__ ; then
710   if check_define __s390x__ ; then
711     cpu="s390x"
712   else
713     cpu="s390"
714   fi
715 elif check_define __riscv ; then
716   if check_define _LP64 ; then
717     cpu="riscv64"
718   else
719     cpu="riscv32"
720   fi
721 elif check_define __arm__ ; then
722   cpu="arm"
723 elif check_define __aarch64__ ; then
724   cpu="aarch64"
725 else
726   cpu=$(uname -m)
727 fi
728
729 ARCH=
730 # Normalise host CPU name and set ARCH.
731 # Note that this case should only have supported host CPUs, not guests.
732 case "$cpu" in
733   ppc|ppc64|s390|s390x|sparc64|x32|riscv32|riscv64)
734     cpu="$cpu"
735     supported_cpu="yes"
736     eval "cross_cc_${cpu}=\$host_cc"
737   ;;
738   i386|i486|i586|i686|i86pc|BePC)
739     cpu="i386"
740     supported_cpu="yes"
741     cross_cc_i386=$host_cc
742   ;;
743   x86_64|amd64)
744     cpu="x86_64"
745     supported_cpu="yes"
746     cross_cc_x86_64=$host_cc
747   ;;
748   armv*b|armv*l|arm)
749     cpu="arm"
750     supported_cpu="yes"
751     cross_cc_arm=$host_cc
752   ;;
753   aarch64)
754     cpu="aarch64"
755     supported_cpu="yes"
756     cross_cc_aarch64=$host_cc
757   ;;
758   mips*)
759     cpu="mips"
760     supported_cpu="yes"
761     cross_cc_mips=$host_cc
762   ;;
763   sparc|sun4[cdmuv])
764     cpu="sparc"
765     supported_cpu="yes"
766     cross_cc_sparc=$host_cc
767   ;;
768   *)
769     # This will result in either an error or falling back to TCI later
770     ARCH=unknown
771   ;;
772 esac
773 if test -z "$ARCH"; then
774   ARCH="$cpu"
775 fi
776
777 # OS specific
778
779 # host *BSD for user mode
780 HOST_VARIANT_DIR=""
781
782 case $targetos in
783 MINGW32*)
784   mingw32="yes"
785   hax="yes"
786   vhost_user="no"
787   audio_possible_drivers="dsound sdl"
788   if check_include dsound.h; then
789     audio_drv_list="dsound"
790   else
791     audio_drv_list=""
792   fi
793   supported_os="yes"
794 ;;
795 GNU/kFreeBSD)
796   bsd="yes"
797   audio_drv_list="oss try-sdl"
798   audio_possible_drivers="oss sdl pa"
799 ;;
800 FreeBSD)
801   bsd="yes"
802   make="${MAKE-gmake}"
803   audio_drv_list="oss try-sdl"
804   audio_possible_drivers="oss sdl pa"
805   # needed for kinfo_getvmmap(3) in libutil.h
806   LIBS="-lutil $LIBS"
807   # needed for kinfo_getproc
808   libs_qga="-lutil $libs_qga"
809   netmap=""  # enable netmap autodetect
810   HOST_VARIANT_DIR="freebsd"
811   supported_os="yes"
812 ;;
813 DragonFly)
814   bsd="yes"
815   make="${MAKE-gmake}"
816   audio_drv_list="oss try-sdl"
817   audio_possible_drivers="oss sdl pa"
818   HOST_VARIANT_DIR="dragonfly"
819 ;;
820 NetBSD)
821   bsd="yes"
822   hax="yes"
823   make="${MAKE-gmake}"
824   audio_drv_list="oss try-sdl"
825   audio_possible_drivers="oss sdl"
826   oss_lib="-lossaudio"
827   HOST_VARIANT_DIR="netbsd"
828   supported_os="yes"
829 ;;
830 OpenBSD)
831   bsd="yes"
832   make="${MAKE-gmake}"
833   audio_drv_list="try-sdl"
834   audio_possible_drivers="sdl"
835   HOST_VARIANT_DIR="openbsd"
836   supported_os="yes"
837 ;;
838 Darwin)
839   bsd="yes"
840   darwin="yes"
841   hax="yes"
842   hvf="yes"
843   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
844   if [ "$cpu" = "x86_64" ] ; then
845     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
846     LDFLAGS="-arch x86_64 $LDFLAGS"
847   fi
848   cocoa="yes"
849   audio_drv_list="coreaudio try-sdl"
850   audio_possible_drivers="coreaudio sdl"
851   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
852   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
853   # Disable attempts to use ObjectiveC features in os/object.h since they
854   # won't work when we're compiling with gcc as a C compiler.
855   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
856   HOST_VARIANT_DIR="darwin"
857   supported_os="yes"
858 ;;
859 SunOS)
860   solaris="yes"
861   make="${MAKE-gmake}"
862   install="${INSTALL-ginstall}"
863   smbd="${SMBD-/usr/sfw/sbin/smbd}"
864   if test -f /usr/include/sys/soundcard.h ; then
865     audio_drv_list="oss try-sdl"
866   fi
867   audio_possible_drivers="oss sdl"
868 # needed for CMSG_ macros in sys/socket.h
869   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
870 # needed for TIOCWIN* defines in termios.h
871   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
872   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
873   solarisnetlibs="-lsocket -lnsl -lresolv"
874   LIBS="$solarisnetlibs $LIBS"
875   libs_qga="$solarisnetlibs $libs_qga"
876 ;;
877 Haiku)
878   haiku="yes"
879   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
880   LIBS="-lposix_error_mapper -lnetwork $LIBS"
881 ;;
882 Linux)
883   audio_drv_list="try-pa oss"
884   audio_possible_drivers="oss alsa sdl pa"
885   linux="yes"
886   linux_user="yes"
887   kvm="yes"
888   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
889   supported_os="yes"
890   libudev="yes"
891 ;;
892 esac
893
894 if [ "$bsd" = "yes" ] ; then
895   if [ "$darwin" != "yes" ] ; then
896     bsd_user="yes"
897   fi
898 fi
899
900 : ${make=${MAKE-make}}
901 : ${install=${INSTALL-install}}
902 : ${python=${PYTHON-python}}
903 : ${smbd=${SMBD-/usr/sbin/smbd}}
904
905 # Default objcc to clang if available, otherwise use CC
906 if has clang; then
907   objcc=clang
908 else
909   objcc="$cc"
910 fi
911
912 if test "$mingw32" = "yes" ; then
913   EXESUF=".exe"
914   DSOSUF=".dll"
915   # MinGW needs -mthreads for TLS and macro _MT.
916   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
917   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
918   write_c_skeleton;
919   if compile_prog "" "-liberty" ; then
920     LIBS="-liberty $LIBS"
921   fi
922   prefix="c:/Program Files/QEMU"
923   mandir="\${prefix}"
924   datadir="\${prefix}"
925   qemu_docdir="\${prefix}"
926   bindir="\${prefix}"
927   sysconfdir="\${prefix}"
928   local_statedir=
929   confsuffix=""
930   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
931 fi
932
933 werror=""
934
935 for opt do
936   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
937   case "$opt" in
938   --help|-h) show_help=yes
939   ;;
940   --version|-V) exec cat $source_path/VERSION
941   ;;
942   --prefix=*) prefix="$optarg"
943   ;;
944   --interp-prefix=*) interp_prefix="$optarg"
945   ;;
946   --source-path=*)
947   ;;
948   --cross-prefix=*)
949   ;;
950   --cc=*)
951   ;;
952   --host-cc=*) host_cc="$optarg"
953   ;;
954   --cxx=*)
955   ;;
956   --iasl=*) iasl="$optarg"
957   ;;
958   --objcc=*) objcc="$optarg"
959   ;;
960   --make=*) make="$optarg"
961   ;;
962   --install=*) install="$optarg"
963   ;;
964   --python=*) python="$optarg"
965   ;;
966   --gcov=*) gcov_tool="$optarg"
967   ;;
968   --smbd=*) smbd="$optarg"
969   ;;
970   --extra-cflags=*)
971   ;;
972   --extra-cxxflags=*)
973   ;;
974   --extra-ldflags=*)
975   ;;
976   --enable-debug-info)
977   ;;
978   --disable-debug-info)
979   ;;
980   --cross-cc-*)
981   ;;
982   --enable-modules)
983       modules="yes"
984   ;;
985   --disable-modules)
986       modules="no"
987   ;;
988   --cpu=*)
989   ;;
990   --target-list=*) target_list="$optarg"
991   ;;
992   --enable-trace-backends=*) trace_backends="$optarg"
993   ;;
994   # XXX: backwards compatibility
995   --enable-trace-backend=*) trace_backends="$optarg"
996   ;;
997   --with-trace-file=*) trace_file="$optarg"
998   ;;
999   --enable-gprof) gprof="yes"
1000   ;;
1001   --enable-gcov) gcov="yes"
1002   ;;
1003   --static)
1004     static="yes"
1005     LDFLAGS="-static $LDFLAGS"
1006     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1007   ;;
1008   --mandir=*) mandir="$optarg"
1009   ;;
1010   --bindir=*) bindir="$optarg"
1011   ;;
1012   --libdir=*) libdir="$optarg"
1013   ;;
1014   --libexecdir=*) libexecdir="$optarg"
1015   ;;
1016   --includedir=*) includedir="$optarg"
1017   ;;
1018   --datadir=*) datadir="$optarg"
1019   ;;
1020   --with-confsuffix=*) confsuffix="$optarg"
1021   ;;
1022   --docdir=*) qemu_docdir="$optarg"
1023   ;;
1024   --sysconfdir=*) sysconfdir="$optarg"
1025   ;;
1026   --localstatedir=*) local_statedir="$optarg"
1027   ;;
1028   --firmwarepath=*) firmwarepath="$optarg"
1029   ;;
1030   --host=*|--build=*|\
1031   --disable-dependency-tracking|\
1032   --sbindir=*|--sharedstatedir=*|\
1033   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1034   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1035     # These switches are silently ignored, for compatibility with
1036     # autoconf-generated configure scripts. This allows QEMU's
1037     # configure to be used by RPM and similar macros that set
1038     # lots of directory switches by default.
1039   ;;
1040   --disable-sdl) sdl="no"
1041   ;;
1042   --enable-sdl) sdl="yes"
1043   ;;
1044   --disable-sdl-image) sdl_image="no"
1045   ;;
1046   --enable-sdl-image) sdl_image="yes"
1047   ;;
1048   --disable-qom-cast-debug) qom_cast_debug="no"
1049   ;;
1050   --enable-qom-cast-debug) qom_cast_debug="yes"
1051   ;;
1052   --disable-virtfs) virtfs="no"
1053   ;;
1054   --enable-virtfs) virtfs="yes"
1055   ;;
1056   --disable-mpath) mpath="no"
1057   ;;
1058   --enable-mpath) mpath="yes"
1059   ;;
1060   --disable-vnc) vnc="no"
1061   ;;
1062   --enable-vnc) vnc="yes"
1063   ;;
1064   --oss-lib=*) oss_lib="$optarg"
1065   ;;
1066   --audio-drv-list=*) audio_drv_list="$optarg"
1067   ;;
1068   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1069   ;;
1070   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1071   ;;
1072   --enable-debug-tcg) debug_tcg="yes"
1073   ;;
1074   --disable-debug-tcg) debug_tcg="no"
1075   ;;
1076   --enable-debug)
1077       # Enable debugging options that aren't excessively noisy
1078       debug_tcg="yes"
1079       debug_mutex="yes"
1080       debug="yes"
1081       strip_opt="no"
1082       fortify_source="no"
1083   ;;
1084   --enable-sanitizers) sanitizers="yes"
1085   ;;
1086   --disable-sanitizers) sanitizers="no"
1087   ;;
1088   --enable-sparse) sparse="yes"
1089   ;;
1090   --disable-sparse) sparse="no"
1091   ;;
1092   --disable-strip) strip_opt="no"
1093   ;;
1094   --disable-vnc-sasl) vnc_sasl="no"
1095   ;;
1096   --enable-vnc-sasl) vnc_sasl="yes"
1097   ;;
1098   --disable-vnc-jpeg) vnc_jpeg="no"
1099   ;;
1100   --enable-vnc-jpeg) vnc_jpeg="yes"
1101   ;;
1102   --disable-vnc-png) vnc_png="no"
1103   ;;
1104   --enable-vnc-png) vnc_png="yes"
1105   ;;
1106   --disable-slirp) slirp="no"
1107   ;;
1108   --disable-vde) vde="no"
1109   ;;
1110   --enable-vde) vde="yes"
1111   ;;
1112   --disable-netmap) netmap="no"
1113   ;;
1114   --enable-netmap) netmap="yes"
1115   ;;
1116   --disable-xen) xen="no"
1117   ;;
1118   --enable-xen) xen="yes"
1119   ;;
1120   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1121   ;;
1122   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1123   ;;
1124   --disable-brlapi) brlapi="no"
1125   ;;
1126   --enable-brlapi) brlapi="yes"
1127   ;;
1128   --disable-bluez) bluez="no"
1129   ;;
1130   --enable-bluez) bluez="yes"
1131   ;;
1132   --disable-kvm) kvm="no"
1133   ;;
1134   --enable-kvm) kvm="yes"
1135   ;;
1136   --disable-hax) hax="no"
1137   ;;
1138   --enable-hax) hax="yes"
1139   ;;
1140   --disable-hvf) hvf="no"
1141   ;;
1142   --enable-hvf) hvf="yes"
1143   ;;
1144   --disable-whpx) whpx="no"
1145   ;;
1146   --enable-whpx) whpx="yes"
1147   ;;
1148   --disable-tcg-interpreter) tcg_interpreter="no"
1149   ;;
1150   --enable-tcg-interpreter) tcg_interpreter="yes"
1151   ;;
1152   --disable-cap-ng)  cap_ng="no"
1153   ;;
1154   --enable-cap-ng) cap_ng="yes"
1155   ;;
1156   --disable-tcg) tcg="no"
1157   ;;
1158   --enable-tcg) tcg="yes"
1159   ;;
1160   --disable-malloc-trim) malloc_trim="no"
1161   ;;
1162   --enable-malloc-trim) malloc_trim="yes"
1163   ;;
1164   --disable-spice) spice="no"
1165   ;;
1166   --enable-spice) spice="yes"
1167   ;;
1168   --disable-libiscsi) libiscsi="no"
1169   ;;
1170   --enable-libiscsi) libiscsi="yes"
1171   ;;
1172   --disable-libnfs) libnfs="no"
1173   ;;
1174   --enable-libnfs) libnfs="yes"
1175   ;;
1176   --enable-profiler) profiler="yes"
1177   ;;
1178   --disable-cocoa) cocoa="no"
1179   ;;
1180   --enable-cocoa)
1181       cocoa="yes" ;
1182       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1183   ;;
1184   --disable-system) softmmu="no"
1185   ;;
1186   --enable-system) softmmu="yes"
1187   ;;
1188   --disable-user)
1189       linux_user="no" ;
1190       bsd_user="no" ;
1191   ;;
1192   --enable-user) ;;
1193   --disable-linux-user) linux_user="no"
1194   ;;
1195   --enable-linux-user) linux_user="yes"
1196   ;;
1197   --disable-bsd-user) bsd_user="no"
1198   ;;
1199   --enable-bsd-user) bsd_user="yes"
1200   ;;
1201   --enable-pie) pie="yes"
1202   ;;
1203   --disable-pie) pie="no"
1204   ;;
1205   --enable-werror) werror="yes"
1206   ;;
1207   --disable-werror) werror="no"
1208   ;;
1209   --enable-stack-protector) stack_protector="yes"
1210   ;;
1211   --disable-stack-protector) stack_protector="no"
1212   ;;
1213   --disable-curses) curses="no"
1214   ;;
1215   --enable-curses) curses="yes"
1216   ;;
1217   --disable-curl) curl="no"
1218   ;;
1219   --enable-curl) curl="yes"
1220   ;;
1221   --disable-fdt) fdt="no"
1222   ;;
1223   --enable-fdt) fdt="yes"
1224   ;;
1225   --disable-linux-aio) linux_aio="no"
1226   ;;
1227   --enable-linux-aio) linux_aio="yes"
1228   ;;
1229   --disable-attr) attr="no"
1230   ;;
1231   --enable-attr) attr="yes"
1232   ;;
1233   --disable-membarrier) membarrier="no"
1234   ;;
1235   --enable-membarrier) membarrier="yes"
1236   ;;
1237   --disable-blobs) blobs="no"
1238   ;;
1239   --with-pkgversion=*) pkgversion="$optarg"
1240   ;;
1241   --with-coroutine=*) coroutine="$optarg"
1242   ;;
1243   --disable-coroutine-pool) coroutine_pool="no"
1244   ;;
1245   --enable-coroutine-pool) coroutine_pool="yes"
1246   ;;
1247   --enable-debug-stack-usage) debug_stack_usage="yes"
1248   ;;
1249   --enable-crypto-afalg) crypto_afalg="yes"
1250   ;;
1251   --disable-crypto-afalg) crypto_afalg="no"
1252   ;;
1253   --disable-docs) docs="no"
1254   ;;
1255   --enable-docs) docs="yes"
1256   ;;
1257   --disable-vhost-net) vhost_net="no"
1258   ;;
1259   --enable-vhost-net) vhost_net="yes"
1260   ;;
1261   --disable-vhost-crypto) vhost_crypto="no"
1262   ;;
1263   --enable-vhost-crypto) vhost_crypto="yes"
1264   ;;
1265   --disable-vhost-scsi) vhost_scsi="no"
1266   ;;
1267   --enable-vhost-scsi) vhost_scsi="yes"
1268   ;;
1269   --disable-vhost-vsock) vhost_vsock="no"
1270   ;;
1271   --enable-vhost-vsock) vhost_vsock="yes"
1272   ;;
1273   --disable-opengl) opengl="no"
1274   ;;
1275   --enable-opengl) opengl="yes"
1276   ;;
1277   --disable-rbd) rbd="no"
1278   ;;
1279   --enable-rbd) rbd="yes"
1280   ;;
1281   --disable-xfsctl) xfs="no"
1282   ;;
1283   --enable-xfsctl) xfs="yes"
1284   ;;
1285   --disable-smartcard) smartcard="no"
1286   ;;
1287   --enable-smartcard) smartcard="yes"
1288   ;;
1289   --disable-libusb) libusb="no"
1290   ;;
1291   --enable-libusb) libusb="yes"
1292   ;;
1293   --disable-usb-redir) usb_redir="no"
1294   ;;
1295   --enable-usb-redir) usb_redir="yes"
1296   ;;
1297   --disable-zlib-test) zlib="no"
1298   ;;
1299   --disable-lzo) lzo="no"
1300   ;;
1301   --enable-lzo) lzo="yes"
1302   ;;
1303   --disable-snappy) snappy="no"
1304   ;;
1305   --enable-snappy) snappy="yes"
1306   ;;
1307   --disable-bzip2) bzip2="no"
1308   ;;
1309   --enable-bzip2) bzip2="yes"
1310   ;;
1311   --enable-lzfse) lzfse="yes"
1312   ;;
1313   --disable-lzfse) lzfse="no"
1314   ;;
1315   --enable-guest-agent) guest_agent="yes"
1316   ;;
1317   --disable-guest-agent) guest_agent="no"
1318   ;;
1319   --enable-guest-agent-msi) guest_agent_msi="yes"
1320   ;;
1321   --disable-guest-agent-msi) guest_agent_msi="no"
1322   ;;
1323   --with-vss-sdk) vss_win32_sdk=""
1324   ;;
1325   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1326   ;;
1327   --without-vss-sdk) vss_win32_sdk="no"
1328   ;;
1329   --with-win-sdk) win_sdk=""
1330   ;;
1331   --with-win-sdk=*) win_sdk="$optarg"
1332   ;;
1333   --without-win-sdk) win_sdk="no"
1334   ;;
1335   --enable-tools) want_tools="yes"
1336   ;;
1337   --disable-tools) want_tools="no"
1338   ;;
1339   --enable-seccomp) seccomp="yes"
1340   ;;
1341   --disable-seccomp) seccomp="no"
1342   ;;
1343   --disable-glusterfs) glusterfs="no"
1344   ;;
1345   --disable-avx2) avx2_opt="no"
1346   ;;
1347   --enable-avx2) avx2_opt="yes"
1348   ;;
1349   --enable-glusterfs) glusterfs="yes"
1350   ;;
1351   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1352       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1353   ;;
1354   --enable-vhdx|--disable-vhdx)
1355       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1356   ;;
1357   --enable-uuid|--disable-uuid)
1358       echo "$0: $opt is obsolete, UUID support is always built" >&2
1359   ;;
1360   --disable-gtk) gtk="no"
1361   ;;
1362   --enable-gtk) gtk="yes"
1363   ;;
1364   --tls-priority=*) tls_priority="$optarg"
1365   ;;
1366   --disable-gnutls) gnutls="no"
1367   ;;
1368   --enable-gnutls) gnutls="yes"
1369   ;;
1370   --disable-nettle) nettle="no"
1371   ;;
1372   --enable-nettle) nettle="yes"
1373   ;;
1374   --disable-gcrypt) gcrypt="no"
1375   ;;
1376   --enable-gcrypt) gcrypt="yes"
1377   ;;
1378   --disable-auth-pam) auth_pam="no"
1379   ;;
1380   --enable-auth-pam) auth_pam="yes"
1381   ;;
1382   --enable-rdma) rdma="yes"
1383   ;;
1384   --disable-rdma) rdma="no"
1385   ;;
1386   --enable-pvrdma) pvrdma="yes"
1387   ;;
1388   --disable-pvrdma) pvrdma="no"
1389   ;;
1390   --disable-vte) vte="no"
1391   ;;
1392   --enable-vte) vte="yes"
1393   ;;
1394   --disable-virglrenderer) virglrenderer="no"
1395   ;;
1396   --enable-virglrenderer) virglrenderer="yes"
1397   ;;
1398   --disable-tpm) tpm="no"
1399   ;;
1400   --enable-tpm) tpm="yes"
1401   ;;
1402   --disable-libssh2) libssh2="no"
1403   ;;
1404   --enable-libssh2) libssh2="yes"
1405   ;;
1406   --disable-live-block-migration) live_block_migration="no"
1407   ;;
1408   --enable-live-block-migration) live_block_migration="yes"
1409   ;;
1410   --disable-numa) numa="no"
1411   ;;
1412   --enable-numa) numa="yes"
1413   ;;
1414   --disable-libxml2) libxml2="no"
1415   ;;
1416   --enable-libxml2) libxml2="yes"
1417   ;;
1418   --disable-tcmalloc) tcmalloc="no"
1419   ;;
1420   --enable-tcmalloc) tcmalloc="yes"
1421   ;;
1422   --disable-jemalloc) jemalloc="no"
1423   ;;
1424   --enable-jemalloc) jemalloc="yes"
1425   ;;
1426   --disable-replication) replication="no"
1427   ;;
1428   --enable-replication) replication="yes"
1429   ;;
1430   --disable-vxhs) vxhs="no"
1431   ;;
1432   --enable-vxhs) vxhs="yes"
1433   ;;
1434   --disable-bochs) bochs="no"
1435   ;;
1436   --enable-bochs) bochs="yes"
1437   ;;
1438   --disable-cloop) cloop="no"
1439   ;;
1440   --enable-cloop) cloop="yes"
1441   ;;
1442   --disable-dmg) dmg="no"
1443   ;;
1444   --enable-dmg) dmg="yes"
1445   ;;
1446   --disable-qcow1) qcow1="no"
1447   ;;
1448   --enable-qcow1) qcow1="yes"
1449   ;;
1450   --disable-vdi) vdi="no"
1451   ;;
1452   --enable-vdi) vdi="yes"
1453   ;;
1454   --disable-vvfat) vvfat="no"
1455   ;;
1456   --enable-vvfat) vvfat="yes"
1457   ;;
1458   --disable-qed) qed="no"
1459   ;;
1460   --enable-qed) qed="yes"
1461   ;;
1462   --disable-parallels) parallels="no"
1463   ;;
1464   --enable-parallels) parallels="yes"
1465   ;;
1466   --disable-sheepdog) sheepdog="no"
1467   ;;
1468   --enable-sheepdog) sheepdog="yes"
1469   ;;
1470   --disable-vhost-user) vhost_user="no"
1471   ;;
1472   --enable-vhost-user) vhost_user="yes"
1473   ;;
1474   --disable-vhost-kernel) vhost_kernel="no"
1475   ;;
1476   --enable-vhost-kernel) vhost_kernel="yes"
1477   ;;
1478   --disable-capstone) capstone="no"
1479   ;;
1480   --enable-capstone) capstone="yes"
1481   ;;
1482   --enable-capstone=git) capstone="git"
1483   ;;
1484   --enable-capstone=system) capstone="system"
1485   ;;
1486   --with-git=*) git="$optarg"
1487   ;;
1488   --enable-git-update) git_update=yes
1489   ;;
1490   --disable-git-update) git_update=no
1491   ;;
1492   --enable-debug-mutex) debug_mutex=yes
1493   ;;
1494   --disable-debug-mutex) debug_mutex=no
1495   ;;
1496   --enable-libpmem) libpmem=yes
1497   ;;
1498   --disable-libpmem) libpmem=no
1499   ;;
1500   *)
1501       echo "ERROR: unknown option $opt"
1502       echo "Try '$0 --help' for more information"
1503       exit 1
1504   ;;
1505   esac
1506 done
1507
1508 case "$cpu" in
1509     ppc)
1510            CPU_CFLAGS="-m32"
1511            LDFLAGS="-m32 $LDFLAGS"
1512            cross_cc_powerpc=$cc
1513            cross_cc_cflags_powerpc=$CPU_CFLAGS
1514            ;;
1515     ppc64)
1516            CPU_CFLAGS="-m64"
1517            LDFLAGS="-m64 $LDFLAGS"
1518            cross_cc_ppc64=$cc
1519            cross_cc_cflags_ppc64=$CPU_CFLAGS
1520            ;;
1521     sparc)
1522            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1523            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1524            cross_cc_sparc=$cc
1525            cross_cc_cflags_sparc=$CPU_CFLAGS
1526            ;;
1527     sparc64)
1528            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1529            LDFLAGS="-m64 $LDFLAGS"
1530            cross_cc_sparc64=$cc
1531            cross_cc_cflags_sparc64=$CPU_CFLAGS
1532            ;;
1533     s390)
1534            CPU_CFLAGS="-m31"
1535            LDFLAGS="-m31 $LDFLAGS"
1536            cross_cc_s390=$cc
1537            cross_cc_cflags_s390=$CPU_CFLAGS
1538            ;;
1539     s390x)
1540            CPU_CFLAGS="-m64"
1541            LDFLAGS="-m64 $LDFLAGS"
1542            cross_cc_s390x=$cc
1543            cross_cc_cflags_s390x=$CPU_CFLAGS
1544            ;;
1545     i386)
1546            CPU_CFLAGS="-m32"
1547            LDFLAGS="-m32 $LDFLAGS"
1548            cross_cc_i386=$cc
1549            cross_cc_cflags_i386=$CPU_CFLAGS
1550            ;;
1551     x86_64)
1552            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1553            # If we truly care, we should simply detect this case at
1554            # runtime and generate the fallback to serial emulation.
1555            CPU_CFLAGS="-m64 -mcx16"
1556            LDFLAGS="-m64 $LDFLAGS"
1557            cross_cc_x86_64=$cc
1558            cross_cc_cflags_x86_64=$CPU_CFLAGS
1559            ;;
1560     x32)
1561            CPU_CFLAGS="-mx32"
1562            LDFLAGS="-mx32 $LDFLAGS"
1563            cross_cc_i386=$cc
1564            cross_cc_cflags_i386=$CPU_CFLAGS
1565            ;;
1566     # No special flags required for other host CPUs
1567 esac
1568
1569 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1570
1571 # For user-mode emulation the host arch has to be one we explicitly
1572 # support, even if we're using TCI.
1573 if [ "$ARCH" = "unknown" ]; then
1574   bsd_user="no"
1575   linux_user="no"
1576 fi
1577
1578 default_target_list=""
1579
1580 mak_wilds=""
1581
1582 if [ "$softmmu" = "yes" ]; then
1583     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1584 fi
1585 if [ "$linux_user" = "yes" ]; then
1586     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1587 fi
1588 if [ "$bsd_user" = "yes" ]; then
1589     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1590 fi
1591
1592 for config in $mak_wilds; do
1593     default_target_list="${default_target_list} $(basename "$config" .mak)"
1594 done
1595
1596 # Enumerate public trace backends for --help output
1597 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1598
1599 if test x"$show_help" = x"yes" ; then
1600 cat << EOF
1601
1602 Usage: configure [options]
1603 Options: [defaults in brackets after descriptions]
1604
1605 Standard options:
1606   --help                   print this message
1607   --prefix=PREFIX          install in PREFIX [$prefix]
1608   --interp-prefix=PREFIX   where to find shared libraries, etc.
1609                            use %M for cpu name [$interp_prefix]
1610   --target-list=LIST       set target list (default: build everything)
1611 $(echo Available targets: $default_target_list | \
1612   fold -s -w 53 | sed -e 's/^/                           /')
1613
1614 Advanced options (experts only):
1615   --source-path=PATH       path of source code [$source_path]
1616   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1617   --cc=CC                  use C compiler CC [$cc]
1618   --iasl=IASL              use ACPI compiler IASL [$iasl]
1619   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1620                            build time
1621   --cxx=CXX                use C++ compiler CXX [$cxx]
1622   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1623   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1624   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1625   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1626   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1627   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1628   --make=MAKE              use specified make [$make]
1629   --install=INSTALL        use specified install [$install]
1630   --python=PYTHON          use specified python [$python]
1631   --smbd=SMBD              use specified smbd [$smbd]
1632   --with-git=GIT           use specified git [$git]
1633   --static                 enable static build [$static]
1634   --mandir=PATH            install man pages in PATH
1635   --datadir=PATH           install firmware in PATH$confsuffix
1636   --docdir=PATH            install documentation in PATH$confsuffix
1637   --bindir=PATH            install binaries in PATH
1638   --libdir=PATH            install libraries in PATH
1639   --libexecdir=PATH        install helper binaries in PATH
1640   --sysconfdir=PATH        install config in PATH$confsuffix
1641   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1642   --firmwarepath=PATH      search PATH for firmware files
1643   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1644   --with-pkgversion=VERS   use specified string as sub-version of the package
1645   --enable-debug           enable common debug build options
1646   --enable-sanitizers      enable default sanitizers
1647   --disable-strip          disable stripping binaries
1648   --disable-werror         disable compilation abort on warning
1649   --disable-stack-protector disable compiler-provided stack protection
1650   --audio-drv-list=LIST    set audio drivers list:
1651                            Available drivers: $audio_possible_drivers
1652   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1653   --block-drv-rw-whitelist=L
1654                            set block driver read-write whitelist
1655                            (affects only QEMU, not qemu-img)
1656   --block-drv-ro-whitelist=L
1657                            set block driver read-only whitelist
1658                            (affects only QEMU, not qemu-img)
1659   --enable-trace-backends=B Set trace backend
1660                            Available backends: $trace_backend_list
1661   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1662                            Default:trace-<pid>
1663   --disable-slirp          disable SLIRP userspace network connectivity
1664   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1665   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1666   --oss-lib                path to OSS library
1667   --cpu=CPU                Build for host CPU [$cpu]
1668   --with-coroutine=BACKEND coroutine backend. Supported options:
1669                            ucontext, sigaltstack, windows
1670   --enable-gcov            enable test coverage analysis with gcov
1671   --gcov=GCOV              use specified gcov [$gcov_tool]
1672   --disable-blobs          disable installing provided firmware blobs
1673   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1674   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1675   --tls-priority           default TLS protocol/cipher priority string
1676   --enable-gprof           QEMU profiling with gprof
1677   --enable-profiler        profiler support
1678   --enable-debug-stack-usage
1679                            track the maximum stack usage of stacks created by qemu_alloc_stack
1680
1681 Optional features, enabled with --enable-FEATURE and
1682 disabled with --disable-FEATURE, default is enabled if available:
1683
1684   system          all system emulation targets
1685   user            supported user emulation targets
1686   linux-user      all linux usermode emulation targets
1687   bsd-user        all BSD usermode emulation targets
1688   docs            build documentation
1689   guest-agent     build the QEMU Guest Agent
1690   guest-agent-msi build guest agent Windows MSI installation package
1691   pie             Position Independent Executables
1692   modules         modules support
1693   debug-tcg       TCG debugging (default is disabled)
1694   debug-info      debugging information
1695   sparse          sparse checker
1696
1697   gnutls          GNUTLS cryptography support
1698   nettle          nettle cryptography support
1699   gcrypt          libgcrypt cryptography support
1700   auth-pam        PAM access control
1701   sdl             SDL UI
1702   sdl_image       SDL Image support for icons
1703   gtk             gtk UI
1704   vte             vte support for the gtk UI
1705   curses          curses UI
1706   vnc             VNC UI support
1707   vnc-sasl        SASL encryption for VNC server
1708   vnc-jpeg        JPEG lossy compression for VNC server
1709   vnc-png         PNG compression for VNC server
1710   cocoa           Cocoa UI (Mac OS X only)
1711   virtfs          VirtFS
1712   mpath           Multipath persistent reservation passthrough
1713   xen             xen backend driver support
1714   xen-pci-passthrough    PCI passthrough support for Xen
1715   brlapi          BrlAPI (Braile)
1716   curl            curl connectivity
1717   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1718   fdt             fdt device tree
1719   bluez           bluez stack connectivity
1720   kvm             KVM acceleration support
1721   hax             HAX acceleration support
1722   hvf             Hypervisor.framework acceleration support
1723   whpx            Windows Hypervisor Platform acceleration support
1724   rdma            Enable RDMA-based migration
1725   pvrdma          Enable PVRDMA support
1726   vde             support for vde network
1727   netmap          support for netmap network
1728   linux-aio       Linux AIO support
1729   cap-ng          libcap-ng support
1730   attr            attr and xattr support
1731   vhost-net       vhost-net kernel acceleration support
1732   vhost-vsock     virtio sockets device support
1733   vhost-scsi      vhost-scsi kernel target support
1734   vhost-crypto    vhost-user-crypto backend support
1735   vhost-kernel    vhost kernel backend support
1736   vhost-user      vhost-user backend support
1737   spice           spice
1738   rbd             rados block device (rbd)
1739   libiscsi        iscsi support
1740   libnfs          nfs support
1741   smartcard       smartcard support (libcacard)
1742   libusb          libusb (for usb passthrough)
1743   live-block-migration   Block migration in the main migration stream
1744   usb-redir       usb network redirection support
1745   lzo             support of lzo compression library
1746   snappy          support of snappy compression library
1747   bzip2           support of bzip2 compression library
1748                   (for reading bzip2-compressed dmg images)
1749   lzfse           support of lzfse compression library
1750                   (for reading lzfse-compressed dmg images)
1751   seccomp         seccomp support
1752   coroutine-pool  coroutine freelist (better performance)
1753   glusterfs       GlusterFS backend
1754   tpm             TPM support
1755   libssh2         ssh block device support
1756   numa            libnuma support
1757   libxml2         for Parallels image format
1758   tcmalloc        tcmalloc support
1759   jemalloc        jemalloc support
1760   avx2            AVX2 optimization support
1761   replication     replication support
1762   opengl          opengl support
1763   virglrenderer   virgl rendering support
1764   xfsctl          xfsctl support
1765   qom-cast-debug  cast debugging support
1766   tools           build qemu-io, qemu-nbd and qemu-img tools
1767   vxhs            Veritas HyperScale vDisk backend support
1768   bochs           bochs image format support
1769   cloop           cloop image format support
1770   dmg             dmg image format support
1771   qcow1           qcow v1 image format support
1772   vdi             vdi image format support
1773   vvfat           vvfat image format support
1774   qed             qed image format support
1775   parallels       parallels image format support
1776   sheepdog        sheepdog block driver support
1777   crypto-afalg    Linux AF_ALG crypto backend driver
1778   capstone        capstone disassembler support
1779   debug-mutex     mutex debugging support
1780   libpmem         libpmem support
1781
1782 NOTE: The object files are built at the place where configure is launched
1783 EOF
1784 exit 0
1785 fi
1786
1787 if ! has $python; then
1788   error_exit "Python not found. Use --python=/path/to/python"
1789 fi
1790
1791 # Note that if the Python conditional here evaluates True we will exit
1792 # with status 1 which is a shell 'false' value.
1793 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,7))'; then
1794   error_exit "Cannot use '$python', Python 2 >= 2.7 or Python 3 is required." \
1795       "Use --python=/path/to/python to specify a supported Python."
1796 fi
1797
1798 # Preserve python version since some functionality is dependent on it
1799 python_version=$($python -V 2>&1 | sed -e 's/Python\ //')
1800
1801 # Suppress writing compiled files
1802 python="$python -B"
1803
1804 # Check that the C compiler works. Doing this here before testing
1805 # the host CPU ensures that we had a valid CC to autodetect the
1806 # $cpu var (and we should bail right here if that's not the case).
1807 # It also allows the help message to be printed without a CC.
1808 write_c_skeleton;
1809 if compile_object ; then
1810   : C compiler works ok
1811 else
1812     error_exit "\"$cc\" either does not exist or does not work"
1813 fi
1814 if ! compile_prog ; then
1815     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1816 fi
1817
1818 # Now we have handled --enable-tcg-interpreter and know we're not just
1819 # printing the help message, bail out if the host CPU isn't supported.
1820 if test "$ARCH" = "unknown"; then
1821     if test "$tcg_interpreter" = "yes" ; then
1822         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1823     else
1824         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1825     fi
1826 fi
1827
1828 # Consult white-list to determine whether to enable werror
1829 # by default.  Only enable by default for git builds
1830 if test -z "$werror" ; then
1831     if test -d "$source_path/.git" && \
1832         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1833         werror="yes"
1834     else
1835         werror="no"
1836     fi
1837 fi
1838
1839 if test "$bogus_os" = "yes"; then
1840     # Now that we know that we're not printing the help and that
1841     # the compiler works (so the results of the check_defines we used
1842     # to identify the OS are reliable), if we didn't recognize the
1843     # host OS we should stop now.
1844     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1845 fi
1846
1847 # Check whether the compiler matches our minimum requirements:
1848 cat > $TMPC << EOF
1849 #if defined(__clang_major__) && defined(__clang_minor__)
1850 # ifdef __apple_build_version__
1851 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1852 #   error You need at least XCode Clang v5.1 to compile QEMU
1853 #  endif
1854 # else
1855 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1856 #   error You need at least Clang v3.4 to compile QEMU
1857 #  endif
1858 # endif
1859 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1860 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1861 #  error You need at least GCC v4.8 to compile QEMU
1862 # endif
1863 #else
1864 # error You either need GCC or Clang to compiler QEMU
1865 #endif
1866 int main (void) { return 0; }
1867 EOF
1868 if ! compile_prog "" "" ; then
1869     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1870 fi
1871
1872 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1873 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1874 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1875 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1876 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1877 gcc_flags="-Wno-string-plus-int $gcc_flags"
1878 # Note that we do not add -Werror to gcc_flags here, because that would
1879 # enable it for all configure tests. If a configure test failed due
1880 # to -Werror this would just silently disable some features,
1881 # so it's too error prone.
1882
1883 cc_has_warning_flag() {
1884     write_c_skeleton;
1885
1886     # Use the positive sense of the flag when testing for -Wno-wombat
1887     # support (gcc will happily accept the -Wno- form of unknown
1888     # warning options).
1889     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1890     compile_prog "-Werror $optflag" ""
1891 }
1892
1893 for flag in $gcc_flags; do
1894     if cc_has_warning_flag $flag ; then
1895         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1896     fi
1897 done
1898
1899 if test "$stack_protector" != "no"; then
1900   cat > $TMPC << EOF
1901 int main(int argc, char *argv[])
1902 {
1903     char arr[64], *p = arr, *c = argv[0];
1904     while (*c) {
1905         *p++ = *c++;
1906     }
1907     return 0;
1908 }
1909 EOF
1910   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1911   sp_on=0
1912   for flag in $gcc_flags; do
1913     # We need to check both a compile and a link, since some compiler
1914     # setups fail only on a .c->.o compile and some only at link time
1915     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1916        compile_prog "-Werror $flag" ""; then
1917       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1918       sp_on=1
1919       break
1920     fi
1921   done
1922   if test "$stack_protector" = yes; then
1923     if test $sp_on = 0; then
1924       error_exit "Stack protector not supported"
1925     fi
1926   fi
1927 fi
1928
1929 # Disable -Wmissing-braces on older compilers that warn even for
1930 # the "universal" C zero initializer {0}.
1931 cat > $TMPC << EOF
1932 struct {
1933   int a[2];
1934 } x = {0};
1935 EOF
1936 if compile_object "-Werror" "" ; then
1937   :
1938 else
1939   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1940 fi
1941
1942 # Static linking is not possible with modules or PIE
1943 if test "$static" = "yes" ; then
1944   if test "$modules" = "yes" ; then
1945     error_exit "static and modules are mutually incompatible"
1946   fi
1947   if test "$pie" = "yes" ; then
1948     error_exit "static and pie are mutually incompatible"
1949   else
1950     pie="no"
1951   fi
1952 fi
1953
1954 # Unconditional check for compiler __thread support
1955   cat > $TMPC << EOF
1956 static __thread int tls_var;
1957 int main(void) { return tls_var; }
1958 EOF
1959
1960 if ! compile_prog "-Werror" "" ; then
1961     error_exit "Your compiler does not support the __thread specifier for " \
1962         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1963 fi
1964
1965 if test "$pie" = ""; then
1966   case "$cpu-$targetos" in
1967     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1968       ;;
1969     *)
1970       pie="no"
1971       ;;
1972   esac
1973 fi
1974
1975 if test "$pie" != "no" ; then
1976   cat > $TMPC << EOF
1977
1978 #ifdef __linux__
1979 #  define THREAD __thread
1980 #else
1981 #  define THREAD
1982 #endif
1983
1984 static THREAD int tls_var;
1985
1986 int main(void) { return tls_var; }
1987
1988 EOF
1989   if compile_prog "-fPIE -DPIE" "-pie"; then
1990     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1991     LDFLAGS="-pie $LDFLAGS"
1992     pie="yes"
1993     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1994       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
1995     fi
1996   else
1997     if test "$pie" = "yes"; then
1998       error_exit "PIE not available due to missing toolchain support"
1999     else
2000       echo "Disabling PIE due to missing toolchain support"
2001       pie="no"
2002     fi
2003   fi
2004
2005   if compile_prog "-Werror -fno-pie" "-nopie"; then
2006     CFLAGS_NOPIE="-fno-pie"
2007     LDFLAGS_NOPIE="-nopie"
2008   fi
2009 fi
2010
2011 ##########################################
2012 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2013 # use i686 as default anyway, but for those that don't, an explicit
2014 # specification is necessary
2015
2016 if test "$cpu" = "i386"; then
2017   cat > $TMPC << EOF
2018 static int sfaa(int *ptr)
2019 {
2020   return __sync_fetch_and_and(ptr, 0);
2021 }
2022
2023 int main(void)
2024 {
2025   int val = 42;
2026   val = __sync_val_compare_and_swap(&val, 0, 1);
2027   sfaa(&val);
2028   return val;
2029 }
2030 EOF
2031   if ! compile_prog "" "" ; then
2032     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2033   fi
2034 fi
2035
2036 #########################################
2037 # Solaris specific configure tool chain decisions
2038
2039 if test "$solaris" = "yes" ; then
2040   if has $install; then
2041     :
2042   else
2043     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2044         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2045         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2046   fi
2047   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2048     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2049         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2050         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2051   fi
2052   if has ar; then
2053     :
2054   else
2055     if test -f /usr/ccs/bin/ar ; then
2056       error_exit "No path includes ar" \
2057           "Add /usr/ccs/bin to your path and rerun configure"
2058     fi
2059     error_exit "No path includes ar"
2060   fi
2061 fi
2062
2063 if test -z "${target_list+xxx}" ; then
2064     for target in $default_target_list; do
2065         supported_target $target 2>/dev/null && \
2066             target_list="$target_list $target"
2067     done
2068     target_list="${target_list# }"
2069 else
2070     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2071     for target in $target_list; do
2072         # Check that we recognised the target name; this allows a more
2073         # friendly error message than if we let it fall through.
2074         case " $default_target_list " in
2075             *" $target "*)
2076                 ;;
2077             *)
2078                 error_exit "Unknown target name '$target'"
2079                 ;;
2080         esac
2081         supported_target $target || exit 1
2082     done
2083 fi
2084
2085 # see if system emulation was really requested
2086 case " $target_list " in
2087   *"-softmmu "*) softmmu=yes
2088   ;;
2089   *) softmmu=no
2090   ;;
2091 esac
2092
2093 feature_not_found() {
2094   feature=$1
2095   remedy=$2
2096
2097   error_exit "User requested feature $feature" \
2098       "configure was not able to find it." \
2099       "$remedy"
2100 }
2101
2102 # ---
2103 # big/little endian test
2104 cat > $TMPC << EOF
2105 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2106 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2107 extern int foo(short *, short *);
2108 int main(int argc, char *argv[]) {
2109     return foo(big_endian, little_endian);
2110 }
2111 EOF
2112
2113 if compile_object ; then
2114     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2115         bigendian="yes"
2116     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2117         bigendian="no"
2118     else
2119         echo big/little test failed
2120     fi
2121 else
2122     echo big/little test failed
2123 fi
2124
2125 ##########################################
2126 # cocoa implies not SDL or GTK
2127 # (the cocoa UI code currently assumes it is always the active UI
2128 # and doesn't interact well with other UI frontend code)
2129 if test "$cocoa" = "yes"; then
2130     if test "$sdl" = "yes"; then
2131         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2132     fi
2133     if test "$gtk" = "yes"; then
2134         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2135     fi
2136     gtk=no
2137     sdl=no
2138 fi
2139
2140 # Some versions of Mac OS X incorrectly define SIZE_MAX
2141 cat > $TMPC << EOF
2142 #include <stdint.h>
2143 #include <stdio.h>
2144 int main(int argc, char *argv[]) {
2145     return printf("%zu", SIZE_MAX);
2146 }
2147 EOF
2148 have_broken_size_max=no
2149 if ! compile_object -Werror ; then
2150     have_broken_size_max=yes
2151 fi
2152
2153 ##########################################
2154 # L2TPV3 probe
2155
2156 cat > $TMPC <<EOF
2157 #include <sys/socket.h>
2158 #include <linux/ip.h>
2159 int main(void) { return sizeof(struct mmsghdr); }
2160 EOF
2161 if compile_prog "" "" ; then
2162   l2tpv3=yes
2163 else
2164   l2tpv3=no
2165 fi
2166
2167 #########################################
2168 # vhost interdependencies and host support
2169
2170 # vhost backends
2171 test "$vhost_user" = "" && vhost_user=yes
2172 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2173   error_exit "vhost-user isn't available on win32"
2174 fi
2175 test "$vhost_kernel" = "" && vhost_kernel=$linux
2176 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2177   error_exit "vhost-kernel is only available on Linux"
2178 fi
2179
2180 # vhost-kernel devices
2181 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2182 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2183   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2184 fi
2185 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2186 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2187   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2188 fi
2189
2190 # vhost-user backends
2191 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2192 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2193   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2194 fi
2195 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2196 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2197   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2198 fi
2199
2200 # OR the vhost-kernel and vhost-user values for simplicity
2201 if test "$vhost_net" = ""; then
2202   test "$vhost_net_user" = "yes" && vhost_net=yes
2203   test "$vhost_kernel" = "yes" && vhost_net=yes
2204 fi
2205
2206 ##########################################
2207 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2208
2209 if test "$mingw32" = "yes"; then
2210     # Some versions of MinGW / Mingw-w64 lack localtime_r
2211     # and gmtime_r entirely.
2212     #
2213     # Some versions of Mingw-w64 define a macro for
2214     # localtime_r/gmtime_r.
2215     #
2216     # Some versions of Mingw-w64 will define functions
2217     # for localtime_r/gmtime_r, but only if you have
2218     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2219     # though, unistd.h and pthread.h both define
2220     # that for you.
2221     #
2222     # So this #undef localtime_r and #include <unistd.h>
2223     # are not in fact redundant.
2224 cat > $TMPC << EOF
2225 #include <unistd.h>
2226 #include <time.h>
2227 #undef localtime_r
2228 int main(void) { localtime_r(NULL, NULL); return 0; }
2229 EOF
2230     if compile_prog "" "" ; then
2231         localtime_r="yes"
2232     else
2233         localtime_r="no"
2234     fi
2235 fi
2236
2237 ##########################################
2238 # pkg-config probe
2239
2240 if ! has "$pkg_config_exe"; then
2241   error_exit "pkg-config binary '$pkg_config_exe' not found"
2242 fi
2243
2244 ##########################################
2245 # NPTL probe
2246
2247 if test "$linux_user" = "yes"; then
2248   cat > $TMPC <<EOF
2249 #include <sched.h>
2250 #include <linux/futex.h>
2251 int main(void) {
2252 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2253 #error bork
2254 #endif
2255   return 0;
2256 }
2257 EOF
2258   if ! compile_object ; then
2259     feature_not_found "nptl" "Install glibc and linux kernel headers."
2260   fi
2261 fi
2262
2263 ##########################################
2264 # lzo check
2265
2266 if test "$lzo" != "no" ; then
2267     cat > $TMPC << EOF
2268 #include <lzo/lzo1x.h>
2269 int main(void) { lzo_version(); return 0; }
2270 EOF
2271     if compile_prog "" "-llzo2" ; then
2272         libs_softmmu="$libs_softmmu -llzo2"
2273         lzo="yes"
2274     else
2275         if test "$lzo" = "yes"; then
2276             feature_not_found "liblzo2" "Install liblzo2 devel"
2277         fi
2278         lzo="no"
2279     fi
2280 fi
2281
2282 ##########################################
2283 # snappy check
2284
2285 if test "$snappy" != "no" ; then
2286     cat > $TMPC << EOF
2287 #include <snappy-c.h>
2288 int main(void) { snappy_max_compressed_length(4096); return 0; }
2289 EOF
2290     if compile_prog "" "-lsnappy" ; then
2291         libs_softmmu="$libs_softmmu -lsnappy"
2292         snappy="yes"
2293     else
2294         if test "$snappy" = "yes"; then
2295             feature_not_found "libsnappy" "Install libsnappy devel"
2296         fi
2297         snappy="no"
2298     fi
2299 fi
2300
2301 ##########################################
2302 # bzip2 check
2303
2304 if test "$bzip2" != "no" ; then
2305     cat > $TMPC << EOF
2306 #include <bzlib.h>
2307 int main(void) { BZ2_bzlibVersion(); return 0; }
2308 EOF
2309     if compile_prog "" "-lbz2" ; then
2310         bzip2="yes"
2311     else
2312         if test "$bzip2" = "yes"; then
2313             feature_not_found "libbzip2" "Install libbzip2 devel"
2314         fi
2315         bzip2="no"
2316     fi
2317 fi
2318
2319 ##########################################
2320 # lzfse check
2321
2322 if test "$lzfse" != "no" ; then
2323     cat > $TMPC << EOF
2324 #include <lzfse.h>
2325 int main(void) { lzfse_decode_scratch_size(); return 0; }
2326 EOF
2327     if compile_prog "" "-llzfse" ; then
2328         lzfse="yes"
2329     else
2330         if test "$lzfse" = "yes"; then
2331             feature_not_found "lzfse" "Install lzfse devel"
2332         fi
2333         lzfse="no"
2334     fi
2335 fi
2336
2337 ##########################################
2338 # libseccomp check
2339
2340 libseccomp_minver="2.2.0"
2341 if test "$seccomp" != "no" ; then
2342     case "$cpu" in
2343     i386|x86_64|mips)
2344         ;;
2345     arm|aarch64)
2346         libseccomp_minver="2.2.3"
2347         ;;
2348     ppc|ppc64|s390x)
2349         libseccomp_minver="2.3.0"
2350         ;;
2351     *)
2352         libseccomp_minver=""
2353         ;;
2354     esac
2355
2356     if test "$libseccomp_minver" != "" &&
2357        $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2358         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2359         seccomp_libs="$($pkg_config --libs libseccomp)"
2360         seccomp="yes"
2361     else
2362         if test "$seccomp" = "yes" ; then
2363             if test "$libseccomp_minver" != "" ; then
2364                 feature_not_found "libseccomp" \
2365                     "Install libseccomp devel >= $libseccomp_minver"
2366             else
2367                 feature_not_found "libseccomp" \
2368                     "libseccomp is not supported for host cpu $cpu"
2369             fi
2370         fi
2371         seccomp="no"
2372     fi
2373 fi
2374 ##########################################
2375 # xen probe
2376
2377 if test "$xen" != "no" ; then
2378   # Check whether Xen library path is specified via --extra-ldflags to avoid
2379   # overriding this setting with pkg-config output. If not, try pkg-config
2380   # to obtain all needed flags.
2381
2382   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2383      $pkg_config --exists xencontrol ; then
2384     xen_ctrl_version="$(printf '%d%02d%02d' \
2385       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2386     xen=yes
2387     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2388     xen_pc="$xen_pc xenevtchn xendevicemodel"
2389     if $pkg_config --exists xentoolcore; then
2390       xen_pc="$xen_pc xentoolcore"
2391     fi
2392     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2393     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2394   else
2395
2396     xen_libs="-lxenstore -lxenctrl -lxenguest"
2397     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2398
2399     # First we test whether Xen headers and libraries are available.
2400     # If no, we are done and there is no Xen support.
2401     # If yes, more tests are run to detect the Xen version.
2402
2403     # Xen (any)
2404     cat > $TMPC <<EOF
2405 #include <xenctrl.h>
2406 int main(void) {
2407   return 0;
2408 }
2409 EOF
2410     if ! compile_prog "" "$xen_libs" ; then
2411       # Xen not found
2412       if test "$xen" = "yes" ; then
2413         feature_not_found "xen" "Install xen devel"
2414       fi
2415       xen=no
2416
2417     # Xen unstable
2418     elif
2419         cat > $TMPC <<EOF &&
2420 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2421 #define __XEN_TOOLS__
2422 #include <xendevicemodel.h>
2423 #include <xenforeignmemory.h>
2424 int main(void) {
2425   xendevicemodel_handle *xd;
2426   xenforeignmemory_handle *xfmem;
2427
2428   xd = xendevicemodel_open(0, 0);
2429   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2430
2431   xfmem = xenforeignmemory_open(0, 0);
2432   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2433
2434   return 0;
2435 }
2436 EOF
2437         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2438       then
2439       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2440       xen_ctrl_version=41100
2441       xen=yes
2442     elif
2443         cat > $TMPC <<EOF &&
2444 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2445 #include <xenforeignmemory.h>
2446 #include <xentoolcore.h>
2447 int main(void) {
2448   xenforeignmemory_handle *xfmem;
2449
2450   xfmem = xenforeignmemory_open(0, 0);
2451   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2452   xentoolcore_restrict_all(0);
2453
2454   return 0;
2455 }
2456 EOF
2457         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2458       then
2459       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2460       xen_ctrl_version=41000
2461       xen=yes
2462     elif
2463         cat > $TMPC <<EOF &&
2464 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2465 #define __XEN_TOOLS__
2466 #include <xendevicemodel.h>
2467 int main(void) {
2468   xendevicemodel_handle *xd;
2469
2470   xd = xendevicemodel_open(0, 0);
2471   xendevicemodel_close(xd);
2472
2473   return 0;
2474 }
2475 EOF
2476         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2477       then
2478       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2479       xen_ctrl_version=40900
2480       xen=yes
2481     elif
2482         cat > $TMPC <<EOF &&
2483 /*
2484  * If we have stable libs the we don't want the libxc compat
2485  * layers, regardless of what CFLAGS we may have been given.
2486  *
2487  * Also, check if xengnttab_grant_copy_segment_t is defined and
2488  * grant copy operation is implemented.
2489  */
2490 #undef XC_WANT_COMPAT_EVTCHN_API
2491 #undef XC_WANT_COMPAT_GNTTAB_API
2492 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2493 #include <xenctrl.h>
2494 #include <xenstore.h>
2495 #include <xenevtchn.h>
2496 #include <xengnttab.h>
2497 #include <xenforeignmemory.h>
2498 #include <stdint.h>
2499 #include <xen/hvm/hvm_info_table.h>
2500 #if !defined(HVM_MAX_VCPUS)
2501 # error HVM_MAX_VCPUS not defined
2502 #endif
2503 int main(void) {
2504   xc_interface *xc = NULL;
2505   xenforeignmemory_handle *xfmem;
2506   xenevtchn_handle *xe;
2507   xengnttab_handle *xg;
2508   xengnttab_grant_copy_segment_t* seg = NULL;
2509
2510   xs_daemon_open();
2511
2512   xc = xc_interface_open(0, 0, 0);
2513   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2514   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2515   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2516   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2517
2518   xfmem = xenforeignmemory_open(0, 0);
2519   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2520
2521   xe = xenevtchn_open(0, 0);
2522   xenevtchn_fd(xe);
2523
2524   xg = xengnttab_open(0, 0);
2525   xengnttab_grant_copy(xg, 0, seg);
2526
2527   return 0;
2528 }
2529 EOF
2530         compile_prog "" "$xen_libs $xen_stable_libs"
2531       then
2532       xen_ctrl_version=40800
2533       xen=yes
2534     elif
2535         cat > $TMPC <<EOF &&
2536 /*
2537  * If we have stable libs the we don't want the libxc compat
2538  * layers, regardless of what CFLAGS we may have been given.
2539  */
2540 #undef XC_WANT_COMPAT_EVTCHN_API
2541 #undef XC_WANT_COMPAT_GNTTAB_API
2542 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2543 #include <xenctrl.h>
2544 #include <xenstore.h>
2545 #include <xenevtchn.h>
2546 #include <xengnttab.h>
2547 #include <xenforeignmemory.h>
2548 #include <stdint.h>
2549 #include <xen/hvm/hvm_info_table.h>
2550 #if !defined(HVM_MAX_VCPUS)
2551 # error HVM_MAX_VCPUS not defined
2552 #endif
2553 int main(void) {
2554   xc_interface *xc = NULL;
2555   xenforeignmemory_handle *xfmem;
2556   xenevtchn_handle *xe;
2557   xengnttab_handle *xg;
2558
2559   xs_daemon_open();
2560
2561   xc = xc_interface_open(0, 0, 0);
2562   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2563   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2564   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2565   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2566
2567   xfmem = xenforeignmemory_open(0, 0);
2568   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2569
2570   xe = xenevtchn_open(0, 0);
2571   xenevtchn_fd(xe);
2572
2573   xg = xengnttab_open(0, 0);
2574   xengnttab_map_grant_ref(xg, 0, 0, 0);
2575
2576   return 0;
2577 }
2578 EOF
2579         compile_prog "" "$xen_libs $xen_stable_libs"
2580       then
2581       xen_ctrl_version=40701
2582       xen=yes
2583
2584     # Xen 4.6
2585     elif
2586         cat > $TMPC <<EOF &&
2587 #include <xenctrl.h>
2588 #include <xenstore.h>
2589 #include <stdint.h>
2590 #include <xen/hvm/hvm_info_table.h>
2591 #if !defined(HVM_MAX_VCPUS)
2592 # error HVM_MAX_VCPUS not defined
2593 #endif
2594 int main(void) {
2595   xc_interface *xc;
2596   xs_daemon_open();
2597   xc = xc_interface_open(0, 0, 0);
2598   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2599   xc_gnttab_open(NULL, 0);
2600   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2601   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2602   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2603   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2604   return 0;
2605 }
2606 EOF
2607         compile_prog "" "$xen_libs"
2608       then
2609       xen_ctrl_version=40600
2610       xen=yes
2611
2612     # Xen 4.5
2613     elif
2614         cat > $TMPC <<EOF &&
2615 #include <xenctrl.h>
2616 #include <xenstore.h>
2617 #include <stdint.h>
2618 #include <xen/hvm/hvm_info_table.h>
2619 #if !defined(HVM_MAX_VCPUS)
2620 # error HVM_MAX_VCPUS not defined
2621 #endif
2622 int main(void) {
2623   xc_interface *xc;
2624   xs_daemon_open();
2625   xc = xc_interface_open(0, 0, 0);
2626   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2627   xc_gnttab_open(NULL, 0);
2628   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2629   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2630   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2631   return 0;
2632 }
2633 EOF
2634         compile_prog "" "$xen_libs"
2635       then
2636       xen_ctrl_version=40500
2637       xen=yes
2638
2639     elif
2640         cat > $TMPC <<EOF &&
2641 #include <xenctrl.h>
2642 #include <xenstore.h>
2643 #include <stdint.h>
2644 #include <xen/hvm/hvm_info_table.h>
2645 #if !defined(HVM_MAX_VCPUS)
2646 # error HVM_MAX_VCPUS not defined
2647 #endif
2648 int main(void) {
2649   xc_interface *xc;
2650   xs_daemon_open();
2651   xc = xc_interface_open(0, 0, 0);
2652   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2653   xc_gnttab_open(NULL, 0);
2654   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2655   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2656   return 0;
2657 }
2658 EOF
2659         compile_prog "" "$xen_libs"
2660       then
2661       xen_ctrl_version=40200
2662       xen=yes
2663
2664     else
2665       if test "$xen" = "yes" ; then
2666         feature_not_found "xen (unsupported version)" \
2667                           "Install a supported xen (xen 4.2 or newer)"
2668       fi
2669       xen=no
2670     fi
2671
2672     if test "$xen" = yes; then
2673       if test $xen_ctrl_version -ge 40701  ; then
2674         libs_softmmu="$xen_stable_libs $libs_softmmu"
2675       fi
2676       libs_softmmu="$xen_libs $libs_softmmu"
2677     fi
2678   fi
2679 fi
2680
2681 if test "$xen_pci_passthrough" != "no"; then
2682   if test "$xen" = "yes" && test "$linux" = "yes"; then
2683     xen_pci_passthrough=yes
2684   else
2685     if test "$xen_pci_passthrough" = "yes"; then
2686       error_exit "User requested feature Xen PCI Passthrough" \
2687           " but this feature requires /sys from Linux"
2688     fi
2689     xen_pci_passthrough=no
2690   fi
2691 fi
2692
2693 ##########################################
2694 # Windows Hypervisor Platform accelerator (WHPX) check
2695 if test "$whpx" != "no" ; then
2696     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2697         whpx="yes"
2698     else
2699         if test "$whpx" = "yes"; then
2700             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2701         fi
2702         whpx="no"
2703     fi
2704 fi
2705
2706 ##########################################
2707 # Sparse probe
2708 if test "$sparse" != "no" ; then
2709   if has cgcc; then
2710     sparse=yes
2711   else
2712     if test "$sparse" = "yes" ; then
2713       feature_not_found "sparse" "Install sparse binary"
2714     fi
2715     sparse=no
2716   fi
2717 fi
2718
2719 ##########################################
2720 # X11 probe
2721 if $pkg_config --exists "x11"; then
2722     have_x11=yes
2723     x11_cflags=$($pkg_config --cflags x11)
2724     x11_libs=$($pkg_config --libs x11)
2725 fi
2726
2727 ##########################################
2728 # GTK probe
2729
2730 if test "$gtk" != "no"; then
2731     gtkpackage="gtk+-3.0"
2732     gtkx11package="gtk+-x11-3.0"
2733     gtkversion="3.14.0"
2734     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2735         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2736         gtk_libs=$($pkg_config --libs $gtkpackage)
2737         gtk_version=$($pkg_config --modversion $gtkpackage)
2738         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2739             need_x11=yes
2740             gtk_cflags="$gtk_cflags $x11_cflags"
2741             gtk_libs="$gtk_libs $x11_libs"
2742         fi
2743         gtk="yes"
2744     elif test "$gtk" = "yes"; then
2745         feature_not_found "gtk" "Install gtk3-devel"
2746     else
2747         gtk="no"
2748     fi
2749 fi
2750
2751
2752 ##########################################
2753 # GNUTLS probe
2754
2755 if test "$gnutls" != "no"; then
2756     if $pkg_config --exists "gnutls >= 3.1.18"; then
2757         gnutls_cflags=$($pkg_config --cflags gnutls)
2758         gnutls_libs=$($pkg_config --libs gnutls)
2759         libs_softmmu="$gnutls_libs $libs_softmmu"
2760         libs_tools="$gnutls_libs $libs_tools"
2761         QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2762         gnutls="yes"
2763     elif test "$gnutls" = "yes"; then
2764         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2765     else
2766         gnutls="no"
2767     fi
2768 fi
2769
2770
2771 # If user didn't give a --disable/enable-gcrypt flag,
2772 # then mark as disabled if user requested nettle
2773 # explicitly
2774 if test -z "$gcrypt"
2775 then
2776     if test "$nettle" = "yes"
2777     then
2778         gcrypt="no"
2779     fi
2780 fi
2781
2782 # If user didn't give a --disable/enable-nettle flag,
2783 # then mark as disabled if user requested gcrypt
2784 # explicitly
2785 if test -z "$nettle"
2786 then
2787     if test "$gcrypt" = "yes"
2788     then
2789         nettle="no"
2790     fi
2791 fi
2792
2793 has_libgcrypt() {
2794     if ! has "libgcrypt-config"
2795     then
2796         return 1
2797     fi
2798
2799     if test -n "$cross_prefix"
2800     then
2801         host=$(libgcrypt-config --host)
2802         if test "$host-" != $cross_prefix
2803         then
2804             return 1
2805         fi
2806     fi
2807
2808     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2809     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2810
2811     if test $maj != 1 || test $min -lt 5
2812     then
2813        return 1
2814     fi
2815
2816     return 0
2817 }
2818
2819
2820 if test "$nettle" != "no"; then
2821     if $pkg_config --exists "nettle >= 2.7.1"; then
2822         nettle_cflags=$($pkg_config --cflags nettle)
2823         nettle_libs=$($pkg_config --libs nettle)
2824         nettle_version=$($pkg_config --modversion nettle)
2825         libs_softmmu="$nettle_libs $libs_softmmu"
2826         libs_tools="$nettle_libs $libs_tools"
2827         QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2828         nettle="yes"
2829
2830         if test -z "$gcrypt"; then
2831            gcrypt="no"
2832         fi
2833     else
2834         if test "$nettle" = "yes"; then
2835             feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2836         else
2837             nettle="no"
2838         fi
2839     fi
2840 fi
2841
2842 if test "$gcrypt" != "no"; then
2843     if has_libgcrypt; then
2844         gcrypt_cflags=$(libgcrypt-config --cflags)
2845         gcrypt_libs=$(libgcrypt-config --libs)
2846         # Debian has remove -lgpg-error from libgcrypt-config
2847         # as it "spreads unnecessary dependencies" which in
2848         # turn breaks static builds...
2849         if test "$static" = "yes"
2850         then
2851             gcrypt_libs="$gcrypt_libs -lgpg-error"
2852         fi
2853         libs_softmmu="$gcrypt_libs $libs_softmmu"
2854         libs_tools="$gcrypt_libs $libs_tools"
2855         QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2856         gcrypt="yes"
2857
2858         cat > $TMPC << EOF
2859 #include <gcrypt.h>
2860 int main(void) {
2861   gcry_mac_hd_t handle;
2862   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2863                 GCRY_MAC_FLAG_SECURE, NULL);
2864   return 0;
2865 }
2866 EOF
2867         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2868             gcrypt_hmac=yes
2869         fi
2870     else
2871         if test "$gcrypt" = "yes"; then
2872             feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
2873         else
2874             gcrypt="no"
2875         fi
2876     fi
2877 fi
2878
2879
2880 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2881 then
2882     error_exit "Only one of gcrypt & nettle can be enabled"
2883 fi
2884
2885 ##########################################
2886 # libtasn1 - only for the TLS creds/session test suite
2887
2888 tasn1=yes
2889 tasn1_cflags=""
2890 tasn1_libs=""
2891 if $pkg_config --exists "libtasn1"; then
2892     tasn1_cflags=$($pkg_config --cflags libtasn1)
2893     tasn1_libs=$($pkg_config --libs libtasn1)
2894 else
2895     tasn1=no
2896 fi
2897
2898
2899 ##########################################
2900 # PAM probe
2901
2902 if test "$auth_pam" != "no"; then
2903     cat > $TMPC <<EOF
2904 #include <security/pam_appl.h>
2905 #include <stdio.h>
2906 int main(void) {
2907    const char *service_name = "qemu";
2908    const char *user = "frank";
2909    const struct pam_conv *pam_conv = NULL;
2910    pam_handle_t *pamh = NULL;
2911    pam_start(service_name, user, pam_conv, &pamh);
2912    return 0;
2913 }
2914 EOF
2915     if compile_prog "" "-lpam" ; then
2916         auth_pam=yes
2917     else
2918         if test "$auth_pam" = "yes"; then
2919             feature_not_found "PAM" "Install PAM development package"
2920         else
2921             auth_pam=no
2922         fi
2923     fi
2924 fi
2925
2926 ##########################################
2927 # getifaddrs (for tests/test-io-channel-socket )
2928
2929 have_ifaddrs_h=yes
2930 if ! check_include "ifaddrs.h" ; then
2931   have_ifaddrs_h=no
2932 fi
2933
2934 ##########################################
2935 # VTE probe
2936
2937 if test "$vte" != "no"; then
2938     vteminversion="0.32.0"
2939     if $pkg_config --exists "vte-2.91"; then
2940       vtepackage="vte-2.91"
2941     else
2942       vtepackage="vte-2.90"
2943     fi
2944     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2945         vte_cflags=$($pkg_config --cflags $vtepackage)
2946         vte_libs=$($pkg_config --libs $vtepackage)
2947         vteversion=$($pkg_config --modversion $vtepackage)
2948         vte="yes"
2949     elif test "$vte" = "yes"; then
2950         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2951     else
2952         vte="no"
2953     fi
2954 fi
2955
2956 ##########################################
2957 # SDL probe
2958
2959 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2960 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2961
2962 sdl_probe ()
2963 {
2964   if $pkg_config sdl2 --exists; then
2965     sdlconfig="$pkg_config sdl2"
2966     sdlversion=$($sdlconfig --modversion 2>/dev/null)
2967   elif has ${sdl_config}; then
2968     sdlconfig="$sdl2_config"
2969     sdlversion=$($sdlconfig --version)
2970   else
2971     if test "$sdl" = "yes" ; then
2972       feature_not_found "sdl" "Install SDL2-devel"
2973     fi
2974     sdl=no
2975     # no need to do the rest
2976     return
2977   fi
2978   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2979     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2980   fi
2981
2982   cat > $TMPC << EOF
2983 #include <SDL.h>
2984 #undef main /* We don't want SDL to override our main() */
2985 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2986 EOF
2987   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2988   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
2989   if test "$static" = "yes" ; then
2990     if $pkg_config sdl2 --exists; then
2991       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
2992     else
2993       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
2994     fi
2995   else
2996     sdl_libs=$($sdlconfig --libs 2>/dev/null)
2997   fi
2998   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2999     sdl=yes
3000
3001     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3002     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3003       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3004          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3005          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3006       fi
3007       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3008         :
3009       else
3010         sdl=no
3011       fi
3012     fi # static link
3013   else # sdl not found
3014     if test "$sdl" = "yes" ; then
3015       feature_not_found "sdl" "Install SDL2 devel"
3016     fi
3017     sdl=no
3018   fi # sdl compile test
3019 }
3020
3021 sdl_image_probe ()
3022 {
3023     if test "$sdl_image" != "no" ; then
3024         if $pkg_config SDL2_image --exists; then
3025             if test "$static" = "yes"; then
3026                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3027             else
3028                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3029             fi
3030             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3031             sdl_image=yes
3032
3033             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3034             sdl_libs="$sdl_libs $sdl_image_libs"
3035         else
3036             if test "$sdl_image" = "yes" ; then
3037                 feature_not_found "sdl_image" "Install SDL Image devel"
3038             else
3039                 sdl_image=no
3040             fi
3041         fi
3042     fi
3043 }
3044
3045 if test "$sdl" != "no" ; then
3046   sdl_probe
3047 fi
3048
3049 if test "$sdl" = "yes" ; then
3050   sdl_image_probe
3051 else
3052   if test "$sdl_image" = "yes"; then
3053     echo "warning: SDL Image requested, but SDL is not available, disabling"
3054   fi
3055   sdl_image=no
3056 fi
3057
3058 if test "$sdl" = "yes" ; then
3059   cat > $TMPC <<EOF
3060 #include <SDL.h>
3061 #if defined(SDL_VIDEO_DRIVER_X11)
3062 #include <X11/XKBlib.h>
3063 #else
3064 #error No x11 support
3065 #endif
3066 int main(void) { return 0; }
3067 EOF
3068   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3069     need_x11=yes
3070     sdl_cflags="$sdl_cflags $x11_cflags"
3071     sdl_libs="$sdl_libs $x11_libs"
3072   fi
3073 fi
3074
3075 ##########################################
3076 # RDMA needs OpenFabrics libraries
3077 if test "$rdma" != "no" ; then
3078   cat > $TMPC <<EOF
3079 #include <rdma/rdma_cma.h>
3080 int main(void) { return 0; }
3081 EOF
3082   rdma_libs="-lrdmacm -libverbs -libumad"
3083   if compile_prog "" "$rdma_libs" ; then
3084     rdma="yes"
3085     libs_softmmu="$libs_softmmu $rdma_libs"
3086   else
3087     if test "$rdma" = "yes" ; then
3088         error_exit \
3089             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3090             " Your options:" \
3091             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3092             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3093             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3094     fi
3095     rdma="no"
3096   fi
3097 fi
3098
3099 ##########################################
3100 # PVRDMA detection
3101
3102 cat > $TMPC <<EOF &&
3103 #include <sys/mman.h>
3104
3105 int
3106 main(void)
3107 {
3108     char buf = 0;
3109     void *addr = &buf;
3110     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3111
3112     return 0;
3113 }
3114 EOF
3115
3116 if test "$rdma" = "yes" ; then
3117     case "$pvrdma" in
3118     "")
3119         if compile_prog "" ""; then
3120             pvrdma="yes"
3121         else
3122             pvrdma="no"
3123         fi
3124         ;;
3125     "yes")
3126         if ! compile_prog "" ""; then
3127             error_exit "PVRDMA is not supported since mremap is not implemented"
3128         fi
3129         pvrdma="yes"
3130         ;;
3131     "no")
3132         pvrdma="no"
3133         ;;
3134     esac
3135 else
3136     if test "$pvrdma" = "yes" ; then
3137         error_exit "PVRDMA requires rdma suppport"
3138     fi
3139     pvrdma="no"
3140 fi
3141
3142 ##########################################
3143 # VNC SASL detection
3144 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3145   cat > $TMPC <<EOF
3146 #include <sasl/sasl.h>
3147 #include <stdio.h>
3148 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3149 EOF
3150   # Assuming Cyrus-SASL installed in /usr prefix
3151   vnc_sasl_cflags=""
3152   vnc_sasl_libs="-lsasl2"
3153   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3154     vnc_sasl=yes
3155     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3156     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3157   else
3158     if test "$vnc_sasl" = "yes" ; then
3159       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3160     fi
3161     vnc_sasl=no
3162   fi
3163 fi
3164
3165 ##########################################
3166 # VNC JPEG detection
3167 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3168 cat > $TMPC <<EOF
3169 #include <stdio.h>
3170 #include <jpeglib.h>
3171 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3172 EOF
3173     vnc_jpeg_cflags=""
3174     vnc_jpeg_libs="-ljpeg"
3175   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3176     vnc_jpeg=yes
3177     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3178     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3179   else
3180     if test "$vnc_jpeg" = "yes" ; then
3181       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3182     fi
3183     vnc_jpeg=no
3184   fi
3185 fi
3186
3187 ##########################################
3188 # VNC PNG detection
3189 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3190 cat > $TMPC <<EOF
3191 //#include <stdio.h>
3192 #include <png.h>
3193 #include <stddef.h>
3194 int main(void) {
3195     png_structp png_ptr;
3196     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3197     return png_ptr != 0;
3198 }
3199 EOF
3200   if $pkg_config libpng --exists; then
3201     vnc_png_cflags=$($pkg_config libpng --cflags)
3202     vnc_png_libs=$($pkg_config libpng --libs)
3203   else
3204     vnc_png_cflags=""
3205     vnc_png_libs="-lpng"
3206   fi
3207   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3208     vnc_png=yes
3209     libs_softmmu="$vnc_png_libs $libs_softmmu"
3210     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3211   else
3212     if test "$vnc_png" = "yes" ; then
3213       feature_not_found "vnc-png" "Install libpng devel"
3214     fi
3215     vnc_png=no
3216   fi
3217 fi
3218
3219 ##########################################
3220 # xkbcommon probe
3221 if test "$xkbcommon" != "no" ; then
3222   if $pkg_config xkbcommon --exists; then
3223     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3224     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3225     xkbcommon=yes
3226   else
3227     if test "$xkbcommon" = "yes" ; then
3228       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3229     fi
3230     xkbcommon=no
3231   fi
3232 fi
3233
3234
3235 ##########################################
3236 # xfsctl() probe, used for file-posix.c
3237 if test "$xfs" != "no" ; then
3238   cat > $TMPC << EOF
3239 #include <stddef.h>  /* NULL */
3240 #include <xfs/xfs.h>
3241 int main(void)
3242 {
3243     xfsctl(NULL, 0, 0, NULL);
3244     return 0;
3245 }
3246 EOF
3247   if compile_prog "" "" ; then
3248     xfs="yes"
3249   else
3250     if test "$xfs" = "yes" ; then
3251       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3252     fi
3253     xfs=no
3254   fi
3255 fi
3256
3257 ##########################################
3258 # vde libraries probe
3259 if test "$vde" != "no" ; then
3260   vde_libs="-lvdeplug"
3261   cat > $TMPC << EOF
3262 #include <libvdeplug.h>
3263 int main(void)
3264 {
3265     struct vde_open_args a = {0, 0, 0};
3266     char s[] = "";
3267     vde_open(s, s, &a);
3268     return 0;
3269 }
3270 EOF
3271   if compile_prog "" "$vde_libs" ; then
3272     vde=yes
3273   else
3274     if test "$vde" = "yes" ; then
3275       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3276     fi
3277     vde=no
3278   fi
3279 fi
3280
3281 ##########################################
3282 # netmap support probe
3283 # Apart from looking for netmap headers, we make sure that the host API version
3284 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3285 # a minor/major version number. Minor new features will be marked with values up
3286 # to 15, and if something happens that requires a change to the backend we will
3287 # move above 15, submit the backend fixes and modify this two bounds.
3288 if test "$netmap" != "no" ; then
3289   cat > $TMPC << EOF
3290 #include <inttypes.h>
3291 #include <net/if.h>
3292 #include <net/netmap.h>
3293 #include <net/netmap_user.h>
3294 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3295 #error
3296 #endif
3297 int main(void) { return 0; }
3298 EOF
3299   if compile_prog "" "" ; then
3300     netmap=yes
3301   else
3302     if test "$netmap" = "yes" ; then
3303       feature_not_found "netmap"
3304     fi
3305     netmap=no
3306   fi
3307 fi
3308
3309 ##########################################
3310 # libcap-ng library probe
3311 if test "$cap_ng" != "no" ; then
3312   cap_libs="-lcap-ng"
3313   cat > $TMPC << EOF
3314 #include <cap-ng.h>
3315 int main(void)
3316 {
3317     capng_capability_to_name(CAPNG_EFFECTIVE);
3318     return 0;
3319 }
3320 EOF
3321   if compile_prog "" "$cap_libs" ; then
3322     cap_ng=yes
3323     libs_tools="$cap_libs $libs_tools"
3324   else
3325     if test "$cap_ng" = "yes" ; then
3326       feature_not_found "cap_ng" "Install libcap-ng devel"
3327     fi
3328     cap_ng=no
3329   fi
3330 fi
3331
3332 ##########################################
3333 # Sound support libraries probe
3334
3335 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3336 for drv in $audio_drv_list; do
3337     case $drv in
3338     alsa | try-alsa)
3339     if $pkg_config alsa --exists; then
3340         alsa_libs=$($pkg_config alsa --libs)
3341         if test "$drv" = "try-alsa"; then
3342             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3343         fi
3344     else
3345         if test "$drv" = "try-alsa"; then
3346             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3347         else
3348             error_exit "$drv check failed" \
3349                 "Make sure to have the $drv libs and headers installed."
3350         fi
3351     fi
3352     ;;
3353
3354     pa | try-pa)
3355     if $pkg_config libpulse --exists; then
3356         pulse_libs=$($pkg_config libpulse --libs)
3357         audio_pt_int="yes"
3358         if test "$drv" = "try-pa"; then
3359             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3360         fi
3361     else
3362         if test "$drv" = "try-pa"; then
3363             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3364         else
3365             error_exit "$drv check failed" \
3366                 "Make sure to have the $drv libs and headers installed."
3367         fi
3368     fi
3369     ;;
3370
3371     sdl)
3372     if test "$sdl" = "no"; then
3373         error_exit "sdl not found or disabled, can not use sdl audio driver"
3374     fi
3375     ;;
3376
3377     try-sdl)
3378     if test "$sdl" = "no"; then
3379         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3380     else
3381         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3382     fi
3383     ;;
3384
3385     coreaudio)
3386       coreaudio_libs="-framework CoreAudio"
3387     ;;
3388
3389     dsound)
3390       dsound_libs="-lole32 -ldxguid"
3391       audio_win_int="yes"
3392     ;;
3393
3394     oss)
3395       oss_libs="$oss_lib"
3396     ;;
3397
3398     *)
3399     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3400         error_exit "Unknown driver '$drv' selected" \
3401             "Possible drivers are: $audio_possible_drivers"
3402     }
3403     ;;
3404     esac
3405 done
3406
3407 ##########################################
3408 # BrlAPI probe
3409
3410 if test "$brlapi" != "no" ; then
3411   brlapi_libs="-lbrlapi"
3412   cat > $TMPC << EOF
3413 #include <brlapi.h>
3414 #include <stddef.h>
3415 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3416 EOF
3417   if compile_prog "" "$brlapi_libs" ; then
3418     brlapi=yes
3419   else
3420     if test "$brlapi" = "yes" ; then
3421       feature_not_found "brlapi" "Install brlapi devel"
3422     fi
3423     brlapi=no
3424   fi
3425 fi
3426
3427 ##########################################
3428 # curses probe
3429 if test "$curses" != "no" ; then
3430   if test "$mingw32" = "yes" ; then
3431     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3432     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3433   else
3434     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3435     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3436   fi
3437   curses_found=no
3438   cat > $TMPC << EOF
3439 #include <locale.h>
3440 #include <curses.h>
3441 #include <wchar.h>
3442 int main(void) {
3443   wchar_t wch = L'w';
3444   setlocale(LC_ALL, "");
3445   resize_term(0, 0);
3446   addwstr(L"wide chars\n");
3447   addnwstr(&wch, 1);
3448   add_wch(WACS_DEGREE);
3449   return 0;
3450 }
3451 EOF
3452   IFS=:
3453   for curses_inc in $curses_inc_list; do
3454     # Make sure we get the wide character prototypes
3455     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3456     IFS=:
3457     for curses_lib in $curses_lib_list; do
3458       unset IFS
3459       if compile_prog "$curses_inc" "$curses_lib" ; then
3460         curses_found=yes
3461         break
3462       fi
3463     done
3464     if test "$curses_found" = yes ; then
3465       break
3466     fi
3467   done
3468   unset IFS
3469   if test "$curses_found" = "yes" ; then
3470     curses=yes
3471   else
3472     if test "$curses" = "yes" ; then
3473       feature_not_found "curses" "Install ncurses devel"
3474     fi
3475     curses=no
3476   fi
3477 fi
3478
3479 ##########################################
3480 # curl probe
3481 if test "$curl" != "no" ; then
3482   if $pkg_config libcurl --exists; then
3483     curlconfig="$pkg_config libcurl"
3484   else
3485     curlconfig=curl-config
3486   fi
3487   cat > $TMPC << EOF
3488 #include <curl/curl.h>
3489 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3490 EOF
3491   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3492   curl_libs=$($curlconfig --libs 2>/dev/null)
3493   if compile_prog "$curl_cflags" "$curl_libs" ; then
3494     curl=yes
3495   else
3496     if test "$curl" = "yes" ; then
3497       feature_not_found "curl" "Install libcurl devel"
3498     fi
3499     curl=no
3500   fi
3501 fi # test "$curl"
3502
3503 ##########################################
3504 # bluez support probe
3505 if test "$bluez" != "no" ; then
3506   cat > $TMPC << EOF
3507 #include <bluetooth/bluetooth.h>
3508 int main(void) { return bt_error(0); }
3509 EOF
3510   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3511   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3512   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3513     bluez=yes
3514     libs_softmmu="$bluez_libs $libs_softmmu"
3515   else
3516     if test "$bluez" = "yes" ; then
3517       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3518     fi
3519     bluez="no"
3520   fi
3521 fi
3522
3523 ##########################################
3524 # glib support probe
3525
3526 glib_req_ver=2.40
3527 glib_modules=gthread-2.0
3528 if test "$modules" = yes; then
3529     glib_modules="$glib_modules gmodule-export-2.0"
3530 fi
3531
3532 # This workaround is required due to a bug in pkg-config file for glib as it
3533 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3534
3535 if test "$static" = yes && test "$mingw32" = yes; then
3536     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3537 fi
3538
3539 for i in $glib_modules; do
3540     if $pkg_config --atleast-version=$glib_req_ver $i; then
3541         glib_cflags=$($pkg_config --cflags $i)
3542         glib_libs=$($pkg_config --libs $i)
3543         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3544         LIBS="$glib_libs $LIBS"
3545         libs_qga="$glib_libs $libs_qga"
3546     else
3547         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3548     fi
3549 done
3550
3551 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3552     gio=yes
3553     gio_cflags=$($pkg_config --cflags gio-2.0)
3554     gio_libs=$($pkg_config --libs gio-2.0)
3555 else
3556     gio=no
3557 fi
3558
3559 # Sanity check that the current size_t matches the
3560 # size that glib thinks it should be. This catches
3561 # problems on multi-arch where people try to build
3562 # 32-bit QEMU while pointing at 64-bit glib headers
3563 cat > $TMPC <<EOF
3564 #include <glib.h>
3565 #include <unistd.h>
3566
3567 #define QEMU_BUILD_BUG_ON(x) \
3568   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3569
3570 int main(void) {
3571    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3572    return 0;
3573 }
3574 EOF
3575
3576 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3577     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3578                "You probably need to set PKG_CONFIG_LIBDIR"\
3579                "to point to the right pkg-config files for your"\
3580                "build target"
3581 fi
3582
3583 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3584 cat > $TMPC << EOF
3585 #include <glib.h>
3586 int main(void) { return 0; }
3587 EOF
3588 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3589     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3590         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3591         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3592     fi
3593 fi
3594
3595 #########################################
3596 # zlib check
3597
3598 if test "$zlib" != "no" ; then
3599     if $pkg_config --exists zlib; then
3600         zlib_cflags=$($pkg_config --cflags zlib)
3601         zlib_libs=$($pkg_config --libs zlib)
3602         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3603         LIBS="$zlib_libs $LIBS"
3604     else
3605         cat > $TMPC << EOF
3606 #include <zlib.h>
3607 int main(void) { zlibVersion(); return 0; }
3608 EOF
3609         if compile_prog "" "-lz" ; then
3610             LIBS="$LIBS -lz"
3611         else
3612             error_exit "zlib check failed" \
3613                 "Make sure to have the zlib libs and headers installed."
3614         fi
3615     fi
3616 fi
3617
3618 ##########################################
3619 # SHA command probe for modules
3620 if test "$modules" = yes; then
3621     shacmd_probe="sha1sum sha1 shasum"
3622     for c in $shacmd_probe; do
3623         if has $c; then
3624             shacmd="$c"
3625             break
3626         fi
3627     done
3628     if test "$shacmd" = ""; then
3629         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3630     fi
3631 fi
3632
3633 ##########################################
3634 # pixman support probe
3635
3636 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3637   pixman_cflags=
3638   pixman_libs=
3639 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3640   pixman_cflags=$($pkg_config --cflags pixman-1)
3641   pixman_libs=$($pkg_config --libs pixman-1)
3642 else
3643   error_exit "pixman >= 0.21.8 not present." \
3644       "Please install the pixman devel package."
3645 fi
3646
3647 ##########################################
3648 # libmpathpersist probe
3649
3650 if test "$mpath" != "no" ; then
3651   # probe for the new API
3652   cat > $TMPC <<EOF
3653 #include <libudev.h>
3654 #include <mpath_persist.h>
3655 unsigned mpath_mx_alloc_len = 1024;
3656 int logsink;
3657 static struct config *multipath_conf;
3658 extern struct udev *udev;
3659 extern struct config *get_multipath_config(void);
3660 extern void put_multipath_config(struct config *conf);
3661 struct udev *udev;
3662 struct config *get_multipath_config(void) { return multipath_conf; }
3663 void put_multipath_config(struct config *conf) { }
3664
3665 int main(void) {
3666     udev = udev_new();
3667     multipath_conf = mpath_lib_init();
3668     return 0;
3669 }
3670 EOF
3671   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3672     mpathpersist=yes
3673     mpathpersist_new_api=yes
3674   else
3675     # probe for the old API
3676     cat > $TMPC <<EOF
3677 #include <libudev.h>
3678 #include <mpath_persist.h>
3679 unsigned mpath_mx_alloc_len = 1024;
3680 int logsink;
3681 int main(void) {
3682     struct udev *udev = udev_new();
3683     mpath_lib_init(udev);
3684     return 0;
3685 }
3686 EOF
3687     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3688       mpathpersist=yes
3689       mpathpersist_new_api=no
3690     else
3691       mpathpersist=no
3692     fi
3693   fi
3694 else
3695   mpathpersist=no
3696 fi
3697
3698 ##########################################
3699 # libcap probe
3700
3701 if test "$cap" != "no" ; then
3702   cat > $TMPC <<EOF
3703 #include <stdio.h>
3704 #include <sys/capability.h>
3705 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3706 EOF
3707   if compile_prog "" "-lcap" ; then
3708     cap=yes
3709   else
3710     cap=no
3711   fi
3712 fi
3713
3714 ##########################################
3715 # pthread probe
3716 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3717
3718 pthread=no
3719 cat > $TMPC << EOF
3720 #include <pthread.h>
3721 static void *f(void *p) { return NULL; }
3722 int main(void) {
3723   pthread_t thread;
3724   pthread_create(&thread, 0, f, 0);
3725   return 0;
3726 }
3727 EOF
3728 if compile_prog "" "" ; then
3729   pthread=yes
3730 else
3731   for pthread_lib in $PTHREADLIBS_LIST; do
3732     if compile_prog "" "$pthread_lib" ; then
3733       pthread=yes
3734       found=no
3735       for lib_entry in $LIBS; do
3736         if test "$lib_entry" = "$pthread_lib"; then
3737           found=yes
3738           break
3739         fi
3740       done
3741       if test "$found" = "no"; then
3742         LIBS="$pthread_lib $LIBS"
3743         libs_qga="$pthread_lib $libs_qga"
3744       fi
3745       PTHREAD_LIB="$pthread_lib"
3746       break
3747     fi
3748   done
3749 fi
3750
3751 if test "$mingw32" != yes && test "$pthread" = no; then
3752   error_exit "pthread check failed" \
3753       "Make sure to have the pthread libs and headers installed."
3754 fi
3755
3756 # check for pthread_setname_np with thread id
3757 pthread_setname_np_w_tid=no
3758 cat > $TMPC << EOF
3759 #include <pthread.h>
3760
3761 static void *f(void *p) { return NULL; }
3762 int main(void)
3763 {
3764     pthread_t thread;
3765     pthread_create(&thread, 0, f, 0);
3766     pthread_setname_np(thread, "QEMU");
3767     return 0;
3768 }
3769 EOF
3770 if compile_prog "" "$pthread_lib" ; then
3771   pthread_setname_np_w_tid=yes
3772 fi
3773
3774 # check for pthread_setname_np without thread id
3775 pthread_setname_np_wo_tid=no
3776 cat > $TMPC << EOF
3777 #include <pthread.h>
3778
3779 static void *f(void *p) { pthread_setname_np("QEMU"); }
3780 int main(void)
3781 {
3782     pthread_t thread;
3783     pthread_create(&thread, 0, f, 0);
3784     return 0;
3785 }
3786 EOF
3787 if compile_prog "" "$pthread_lib" ; then
3788   pthread_setname_np_wo_tid=yes
3789 fi
3790
3791 ##########################################
3792 # rbd probe
3793 if test "$rbd" != "no" ; then
3794   cat > $TMPC <<EOF
3795 #include <stdio.h>
3796 #include <rbd/librbd.h>
3797 int main(void) {
3798     rados_t cluster;
3799     rados_create(&cluster, NULL);
3800     return 0;
3801 }
3802 EOF
3803   rbd_libs="-lrbd -lrados"
3804   if compile_prog "" "$rbd_libs" ; then
3805     rbd=yes
3806   else
3807     if test "$rbd" = "yes" ; then
3808       feature_not_found "rados block device" "Install librbd/ceph devel"
3809     fi
3810     rbd=no
3811   fi
3812 fi
3813
3814 ##########################################
3815 # libssh2 probe
3816 min_libssh2_version=1.2.8
3817 if test "$libssh2" != "no" ; then
3818   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3819     libssh2_cflags=$($pkg_config libssh2 --cflags)
3820     libssh2_libs=$($pkg_config libssh2 --libs)
3821     libssh2=yes
3822   else
3823     if test "$libssh2" = "yes" ; then
3824       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3825     fi
3826     libssh2=no
3827   fi
3828 fi
3829
3830 ##########################################
3831 # libssh2_sftp_fsync probe
3832
3833 if test "$libssh2" = "yes"; then
3834   cat > $TMPC <<EOF
3835 #include <stdio.h>
3836 #include <libssh2.h>
3837 #include <libssh2_sftp.h>
3838 int main(void) {
3839     LIBSSH2_SESSION *session;
3840     LIBSSH2_SFTP *sftp;
3841     LIBSSH2_SFTP_HANDLE *sftp_handle;
3842     session = libssh2_session_init ();
3843     sftp = libssh2_sftp_init (session);
3844     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3845     libssh2_sftp_fsync (sftp_handle);
3846     return 0;
3847 }
3848 EOF
3849   # libssh2_cflags/libssh2_libs defined in previous test.
3850   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3851     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3852   fi
3853 fi
3854
3855 ##########################################
3856 # linux-aio probe
3857
3858 if test "$linux_aio" != "no" ; then
3859   cat > $TMPC <<EOF
3860 #include <libaio.h>
3861 #include <sys/eventfd.h>
3862 #include <stddef.h>
3863 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3864 EOF
3865   if compile_prog "" "-laio" ; then
3866     linux_aio=yes
3867   else
3868     if test "$linux_aio" = "yes" ; then
3869       feature_not_found "linux AIO" "Install libaio devel"
3870     fi
3871     linux_aio=no
3872   fi
3873 fi
3874
3875 ##########################################
3876 # TPM passthrough is only on x86 Linux
3877
3878 if test "$targetos" = Linux && { test "$cpu" = i386 || test "$cpu" = x86_64; }; then
3879   tpm_passthrough=$tpm
3880 else
3881   tpm_passthrough=no
3882 fi
3883
3884 # TPM emulator is for all posix systems
3885 if test "$mingw32" != "yes"; then
3886   tpm_emulator=$tpm
3887 else
3888   tpm_emulator=no
3889 fi
3890 ##########################################
3891 # attr probe
3892
3893 if test "$attr" != "no" ; then
3894   cat > $TMPC <<EOF
3895 #include <stdio.h>
3896 #include <sys/types.h>
3897 #ifdef CONFIG_LIBATTR
3898 #include <attr/xattr.h>
3899 #else
3900 #include <sys/xattr.h>
3901 #endif
3902 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3903 EOF
3904   if compile_prog "" "" ; then
3905     attr=yes
3906   # Older distros have <attr/xattr.h>, and need -lattr:
3907   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3908     attr=yes
3909     LIBS="-lattr $LIBS"
3910     libattr=yes
3911   else
3912     if test "$attr" = "yes" ; then
3913       feature_not_found "ATTR" "Install libc6 or libattr devel"
3914     fi
3915     attr=no
3916   fi
3917 fi
3918
3919 ##########################################
3920 # iovec probe
3921 cat > $TMPC <<EOF
3922 #include <sys/types.h>
3923 #include <sys/uio.h>
3924 #include <unistd.h>
3925 int main(void) { return sizeof(struct iovec); }
3926 EOF
3927 iovec=no
3928 if compile_prog "" "" ; then
3929   iovec=yes
3930 fi
3931
3932 ##########################################
3933 # preadv probe
3934 cat > $TMPC <<EOF
3935 #include <sys/types.h>
3936 #include <sys/uio.h>
3937 #include <unistd.h>
3938 int main(void) { return preadv(0, 0, 0, 0); }
3939 EOF
3940 preadv=no
3941 if compile_prog "" "" ; then
3942   preadv=yes
3943 fi
3944
3945 ##########################################
3946 # fdt probe
3947 # fdt support is mandatory for at least some target architectures,
3948 # so insist on it if we're building those system emulators.
3949 fdt_required=no
3950 for target in $target_list; do
3951   case $target in
3952     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
3953       fdt_required=yes
3954     ;;
3955   esac
3956 done
3957
3958 if test "$fdt_required" = "yes"; then
3959   if test "$fdt" = "no"; then
3960     error_exit "fdt disabled but some requested targets require it." \
3961       "You can turn off fdt only if you also disable all the system emulation" \
3962       "targets which need it (by specifying a cut down --target-list)."
3963   fi
3964   fdt=yes
3965 fi
3966
3967 if test "$fdt" != "no" ; then
3968   fdt_libs="-lfdt"
3969   # explicitly check for libfdt_env.h as it is missing in some stable installs
3970   # and test for required functions to make sure we are on a version >= 1.4.2
3971   cat > $TMPC << EOF
3972 #include <libfdt.h>
3973 #include <libfdt_env.h>
3974 int main(void) { fdt_check_full(NULL, 0); return 0; }
3975 EOF
3976   if compile_prog "" "$fdt_libs" ; then
3977     # system DTC is good - use it
3978     fdt=system
3979   else
3980       # have GIT checkout, so activate dtc submodule
3981       if test -e "${source_path}/.git" ; then
3982           git_submodules="${git_submodules} dtc"
3983       fi
3984       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
3985           fdt=git
3986           mkdir -p dtc
3987           if [ "$pwd_is_source_path" != "y" ] ; then
3988               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3989               symlink "$source_path/dtc/scripts" "dtc/scripts"
3990           fi
3991           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3992           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
3993           fdt_libs="$fdt_libs"
3994       elif test "$fdt" = "yes" ; then
3995           # Not a git build & no libfdt found, prompt for system install
3996           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
3997                      "Please install the DTC (libfdt) devel package"
3998       else
3999           # don't have and don't want
4000           fdt_libs=
4001           fdt=no
4002       fi
4003   fi
4004 fi
4005
4006 libs_softmmu="$libs_softmmu $fdt_libs"
4007
4008 ##########################################
4009 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4010
4011 if test "$opengl" != "no" ; then
4012   opengl_pkgs="epoxy gbm"
4013   if $pkg_config $opengl_pkgs; then
4014     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4015     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4016     opengl=yes
4017     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4018         gtk_gl="yes"
4019     fi
4020     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4021   else
4022     if test "$opengl" = "yes" ; then
4023       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4024     fi
4025     opengl_cflags=""
4026     opengl_libs=""
4027     opengl=no
4028   fi
4029 fi
4030
4031 if test "$opengl" = "yes"; then
4032   cat > $TMPC << EOF
4033 #include <epoxy/egl.h>
4034 #ifndef EGL_MESA_image_dma_buf_export
4035 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4036 #endif
4037 int main(void) { return 0; }
4038 EOF
4039   if compile_prog "" "" ; then
4040     opengl_dmabuf=yes
4041   fi
4042 fi
4043
4044 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4045   for target in $target_list; do
4046     case $target in
4047       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4048         need_x11=yes
4049       ;;
4050     esac
4051   done
4052 fi
4053
4054 ##########################################
4055 # libxml2 probe
4056 if test "$libxml2" != "no" ; then
4057     if $pkg_config --exists libxml-2.0; then
4058         libxml2="yes"
4059         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4060         libxml2_libs=$($pkg_config --libs libxml-2.0)
4061     else
4062         if test "$libxml2" = "yes"; then
4063             feature_not_found "libxml2" "Install libxml2 devel"
4064         fi
4065         libxml2="no"
4066     fi
4067 fi
4068
4069 ##########################################
4070 # glusterfs probe
4071 if test "$glusterfs" != "no" ; then
4072   if $pkg_config --atleast-version=3 glusterfs-api; then
4073     glusterfs="yes"
4074     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4075     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4076     if $pkg_config --atleast-version=4 glusterfs-api; then
4077       glusterfs_xlator_opt="yes"
4078     fi
4079     if $pkg_config --atleast-version=5 glusterfs-api; then
4080       glusterfs_discard="yes"
4081     fi
4082     if $pkg_config --atleast-version=6 glusterfs-api; then
4083       glusterfs_fallocate="yes"
4084       glusterfs_zerofill="yes"
4085     fi
4086   else
4087     if test "$glusterfs" = "yes" ; then
4088       feature_not_found "GlusterFS backend support" \
4089           "Install glusterfs-api devel >= 3"
4090     fi
4091     glusterfs="no"
4092   fi
4093 fi
4094
4095 # Check for inotify functions when we are building linux-user
4096 # emulator.  This is done because older glibc versions don't
4097 # have syscall stubs for these implemented.  In that case we
4098 # don't provide them even if kernel supports them.
4099 #
4100 inotify=no
4101 cat > $TMPC << EOF
4102 #include <sys/inotify.h>
4103
4104 int
4105 main(void)
4106 {
4107         /* try to start inotify */
4108         return inotify_init();
4109 }
4110 EOF
4111 if compile_prog "" "" ; then
4112   inotify=yes
4113 fi
4114
4115 inotify1=no
4116 cat > $TMPC << EOF
4117 #include <sys/inotify.h>
4118
4119 int
4120 main(void)
4121 {
4122     /* try to start inotify */
4123     return inotify_init1(0);
4124 }
4125 EOF
4126 if compile_prog "" "" ; then
4127   inotify1=yes
4128 fi
4129
4130 # check if pipe2 is there
4131 pipe2=no
4132 cat > $TMPC << EOF
4133 #include <unistd.h>
4134 #include <fcntl.h>
4135
4136 int main(void)
4137 {
4138     int pipefd[2];
4139     return pipe2(pipefd, O_CLOEXEC);
4140 }
4141 EOF
4142 if compile_prog "" "" ; then
4143   pipe2=yes
4144 fi
4145
4146 # check if accept4 is there
4147 accept4=no
4148 cat > $TMPC << EOF
4149 #include <sys/socket.h>
4150 #include <stddef.h>
4151
4152 int main(void)
4153 {
4154     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4155     return 0;
4156 }
4157 EOF
4158 if compile_prog "" "" ; then
4159   accept4=yes
4160 fi
4161
4162 # check if tee/splice is there. vmsplice was added same time.
4163 splice=no
4164 cat > $TMPC << EOF
4165 #include <unistd.h>
4166 #include <fcntl.h>
4167 #include <limits.h>
4168
4169 int main(void)
4170 {
4171     int len, fd = 0;
4172     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4173     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4174     return 0;
4175 }
4176 EOF
4177 if compile_prog "" "" ; then
4178   splice=yes
4179 fi
4180
4181 ##########################################
4182 # libnuma probe
4183
4184 if test "$numa" != "no" ; then
4185   cat > $TMPC << EOF
4186 #include <numa.h>
4187 int main(void) { return numa_available(); }
4188 EOF
4189
4190   if compile_prog "" "-lnuma" ; then
4191     numa=yes
4192     libs_softmmu="-lnuma $libs_softmmu"
4193   else
4194     if test "$numa" = "yes" ; then
4195       feature_not_found "numa" "install numactl devel"
4196     fi
4197     numa=no
4198   fi
4199 fi
4200
4201 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4202     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4203     exit 1
4204 fi
4205
4206 # Even if malloc_trim() is available, these non-libc memory allocators
4207 # do not support it.
4208 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4209     if test "$malloc_trim" = "yes" ; then
4210         echo "Disabling malloc_trim with non-libc memory allocator"
4211     fi
4212     malloc_trim="no"
4213 fi
4214
4215 #######################################
4216 # malloc_trim
4217
4218 if test "$malloc_trim" != "no" ; then
4219     cat > $TMPC << EOF
4220 #include <malloc.h>
4221 int main(void) { malloc_trim(0); return 0; }
4222 EOF
4223     if compile_prog "" "" ; then
4224         malloc_trim="yes"
4225     else
4226         malloc_trim="no"
4227     fi
4228 fi
4229
4230 ##########################################
4231 # tcmalloc probe
4232
4233 if test "$tcmalloc" = "yes" ; then
4234   cat > $TMPC << EOF
4235 #include <stdlib.h>
4236 int main(void) { malloc(1); return 0; }
4237 EOF
4238
4239   if compile_prog "" "-ltcmalloc" ; then
4240     LIBS="-ltcmalloc $LIBS"
4241   else
4242     feature_not_found "tcmalloc" "install gperftools devel"
4243   fi
4244 fi
4245
4246 ##########################################
4247 # jemalloc probe
4248
4249 if test "$jemalloc" = "yes" ; then
4250   cat > $TMPC << EOF
4251 #include <stdlib.h>
4252 int main(void) { malloc(1); return 0; }
4253 EOF
4254
4255   if compile_prog "" "-ljemalloc" ; then
4256     LIBS="-ljemalloc $LIBS"
4257   else
4258     feature_not_found "jemalloc" "install jemalloc devel"
4259   fi
4260 fi
4261
4262 ##########################################
4263 # signalfd probe
4264 signalfd="no"
4265 cat > $TMPC << EOF
4266 #include <unistd.h>
4267 #include <sys/syscall.h>
4268 #include <signal.h>
4269 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4270 EOF
4271
4272 if compile_prog "" "" ; then
4273   signalfd=yes
4274 fi
4275
4276 # check if optreset global is declared by <getopt.h>
4277 optreset="no"
4278 cat > $TMPC << EOF
4279 #include <getopt.h>
4280 int main(void) { return optreset; }
4281 EOF
4282
4283 if compile_prog "" "" ; then
4284   optreset=yes
4285 fi
4286
4287 # check if eventfd is supported
4288 eventfd=no
4289 cat > $TMPC << EOF
4290 #include <sys/eventfd.h>
4291
4292 int main(void)
4293 {
4294     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4295 }
4296 EOF
4297 if compile_prog "" "" ; then
4298   eventfd=yes
4299 fi
4300
4301 # check if memfd is supported
4302 memfd=no
4303 cat > $TMPC << EOF
4304 #include <sys/mman.h>
4305
4306 int main(void)
4307 {
4308     return memfd_create("foo", MFD_ALLOW_SEALING);
4309 }
4310 EOF
4311 if compile_prog "" "" ; then
4312   memfd=yes
4313 fi
4314
4315 # check for usbfs
4316 have_usbfs=no
4317 if test "$linux_user" = "yes"; then
4318   cat > $TMPC << EOF
4319 #include <linux/usbdevice_fs.h>
4320
4321 #ifndef USBDEVFS_GET_CAPABILITIES
4322 #error "USBDEVFS_GET_CAPABILITIES undefined"
4323 #endif
4324
4325 #ifndef USBDEVFS_DISCONNECT_CLAIM
4326 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4327 #endif
4328
4329 int main(void)
4330 {
4331     return 0;
4332 }
4333 EOF
4334   if compile_prog "" ""; then
4335     have_usbfs=yes
4336   fi
4337 fi
4338
4339 # check for fallocate
4340 fallocate=no
4341 cat > $TMPC << EOF
4342 #include <fcntl.h>
4343
4344 int main(void)
4345 {
4346     fallocate(0, 0, 0, 0);
4347     return 0;
4348 }
4349 EOF
4350 if compile_prog "" "" ; then
4351   fallocate=yes
4352 fi
4353
4354 # check for fallocate hole punching
4355 fallocate_punch_hole=no
4356 cat > $TMPC << EOF
4357 #include <fcntl.h>
4358 #include <linux/falloc.h>
4359
4360 int main(void)
4361 {
4362     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4363     return 0;
4364 }
4365 EOF
4366 if compile_prog "" "" ; then
4367   fallocate_punch_hole=yes
4368 fi
4369
4370 # check that fallocate supports range zeroing inside the file
4371 fallocate_zero_range=no
4372 cat > $TMPC << EOF
4373 #include <fcntl.h>
4374 #include <linux/falloc.h>
4375
4376 int main(void)
4377 {
4378     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4379     return 0;
4380 }
4381 EOF
4382 if compile_prog "" "" ; then
4383   fallocate_zero_range=yes
4384 fi
4385
4386 # check for posix_fallocate
4387 posix_fallocate=no
4388 cat > $TMPC << EOF
4389 #include <fcntl.h>
4390
4391 int main(void)
4392 {
4393     posix_fallocate(0, 0, 0);
4394     return 0;
4395 }
4396 EOF
4397 if compile_prog "" "" ; then
4398     posix_fallocate=yes
4399 fi
4400
4401 # check for sync_file_range
4402 sync_file_range=no
4403 cat > $TMPC << EOF
4404 #include <fcntl.h>
4405
4406 int main(void)
4407 {
4408     sync_file_range(0, 0, 0, 0);
4409     return 0;
4410 }
4411 EOF
4412 if compile_prog "" "" ; then
4413   sync_file_range=yes
4414 fi
4415
4416 # check for linux/fiemap.h and FS_IOC_FIEMAP
4417 fiemap=no
4418 cat > $TMPC << EOF
4419 #include <sys/ioctl.h>
4420 #include <linux/fs.h>
4421 #include <linux/fiemap.h>
4422
4423 int main(void)
4424 {
4425     ioctl(0, FS_IOC_FIEMAP, 0);
4426     return 0;
4427 }
4428 EOF
4429 if compile_prog "" "" ; then
4430   fiemap=yes
4431 fi
4432
4433 # check for dup3
4434 dup3=no
4435 cat > $TMPC << EOF
4436 #include <unistd.h>
4437
4438 int main(void)
4439 {
4440     dup3(0, 0, 0);
4441     return 0;
4442 }
4443 EOF
4444 if compile_prog "" "" ; then
4445   dup3=yes
4446 fi
4447
4448 # check for ppoll support
4449 ppoll=no
4450 cat > $TMPC << EOF
4451 #include <poll.h>
4452
4453 int main(void)
4454 {
4455     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4456     ppoll(&pfd, 1, 0, 0);
4457     return 0;
4458 }
4459 EOF
4460 if compile_prog "" "" ; then
4461   ppoll=yes
4462 fi
4463
4464 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4465 prctl_pr_set_timerslack=no
4466 cat > $TMPC << EOF
4467 #include <sys/prctl.h>
4468
4469 int main(void)
4470 {
4471     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4472     return 0;
4473 }
4474 EOF
4475 if compile_prog "" "" ; then
4476   prctl_pr_set_timerslack=yes
4477 fi
4478
4479 # check for epoll support
4480 epoll=no
4481 cat > $TMPC << EOF
4482 #include <sys/epoll.h>
4483
4484 int main(void)
4485 {
4486     epoll_create(0);
4487     return 0;
4488 }
4489 EOF
4490 if compile_prog "" "" ; then
4491   epoll=yes
4492 fi
4493
4494 # epoll_create1 is a later addition
4495 # so we must check separately for its presence
4496 epoll_create1=no
4497 cat > $TMPC << EOF
4498 #include <sys/epoll.h>
4499
4500 int main(void)
4501 {
4502     /* Note that we use epoll_create1 as a value, not as
4503      * a function being called. This is necessary so that on
4504      * old SPARC glibc versions where the function was present in
4505      * the library but not declared in the header file we will
4506      * fail the configure check. (Otherwise we will get a compiler
4507      * warning but not an error, and will proceed to fail the
4508      * qemu compile where we compile with -Werror.)
4509      */
4510     return (int)(uintptr_t)&epoll_create1;
4511 }
4512 EOF
4513 if compile_prog "" "" ; then
4514   epoll_create1=yes
4515 fi
4516
4517 # check for sendfile support
4518 sendfile=no
4519 cat > $TMPC << EOF
4520 #include <sys/sendfile.h>
4521
4522 int main(void)
4523 {
4524     return sendfile(0, 0, 0, 0);
4525 }
4526 EOF
4527 if compile_prog "" "" ; then
4528   sendfile=yes
4529 fi
4530
4531 # check for timerfd support (glibc 2.8 and newer)
4532 timerfd=no
4533 cat > $TMPC << EOF
4534 #include <sys/timerfd.h>
4535
4536 int main(void)
4537 {
4538     return(timerfd_create(CLOCK_REALTIME, 0));
4539 }
4540 EOF
4541 if compile_prog "" "" ; then
4542   timerfd=yes
4543 fi
4544
4545 # check for setns and unshare support
4546 setns=no
4547 cat > $TMPC << EOF
4548 #include <sched.h>
4549
4550 int main(void)
4551 {
4552     int ret;
4553     ret = setns(0, 0);
4554     ret = unshare(0);
4555     return ret;
4556 }
4557 EOF
4558 if compile_prog "" "" ; then
4559   setns=yes
4560 fi
4561
4562 # clock_adjtime probe
4563 clock_adjtime=no
4564 cat > $TMPC <<EOF
4565 #include <time.h>
4566
4567 int main(void)
4568 {
4569     return clock_adjtime(0, 0);
4570 }
4571 EOF
4572 clock_adjtime=no
4573 if compile_prog "" "" ; then
4574   clock_adjtime=yes
4575 fi
4576
4577 # syncfs probe
4578 syncfs=no
4579 cat > $TMPC <<EOF
4580 #include <unistd.h>
4581
4582 int main(void)
4583 {
4584     return syncfs(0);
4585 }
4586 EOF
4587 syncfs=no
4588 if compile_prog "" "" ; then
4589   syncfs=yes
4590 fi
4591
4592 # Check if tools are available to build documentation.
4593 if test "$docs" != "no" ; then
4594   if has makeinfo && has pod2man; then
4595     docs=yes
4596   else
4597     if test "$docs" = "yes" ; then
4598       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
4599     fi
4600     docs=no
4601   fi
4602 fi
4603
4604 # Search for bswap_32 function
4605 byteswap_h=no
4606 cat > $TMPC << EOF
4607 #include <byteswap.h>
4608 int main(void) { return bswap_32(0); }
4609 EOF
4610 if compile_prog "" "" ; then
4611   byteswap_h=yes
4612 fi
4613
4614 # Search for bswap32 function
4615 bswap_h=no
4616 cat > $TMPC << EOF
4617 #include <sys/endian.h>
4618 #include <sys/types.h>
4619 #include <machine/bswap.h>
4620 int main(void) { return bswap32(0); }
4621 EOF
4622 if compile_prog "" "" ; then
4623   bswap_h=yes
4624 fi
4625
4626 ##########################################
4627 # Do we have libiscsi >= 1.9.0
4628 if test "$libiscsi" != "no" ; then
4629   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4630     libiscsi="yes"
4631     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4632     libiscsi_libs=$($pkg_config --libs libiscsi)
4633   else
4634     if test "$libiscsi" = "yes" ; then
4635       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4636     fi
4637     libiscsi="no"
4638   fi
4639 fi
4640
4641 ##########################################
4642 # Do we need libm
4643 cat > $TMPC << EOF
4644 #include <math.h>
4645 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4646 EOF
4647 if compile_prog "" "" ; then
4648   :
4649 elif compile_prog "" "-lm" ; then
4650   LIBS="-lm $LIBS"
4651   libs_qga="-lm $libs_qga"
4652 else
4653   error_exit "libm check failed"
4654 fi
4655
4656 ##########################################
4657 # Do we need librt
4658 # uClibc provides 2 versions of clock_gettime(), one with realtime
4659 # support and one without. This means that the clock_gettime() don't
4660 # need -lrt. We still need it for timer_create() so we check for this
4661 # function in addition.
4662 cat > $TMPC <<EOF
4663 #include <signal.h>
4664 #include <time.h>
4665 int main(void) {
4666   timer_create(CLOCK_REALTIME, NULL, NULL);
4667   return clock_gettime(CLOCK_REALTIME, NULL);
4668 }
4669 EOF
4670
4671 if compile_prog "" "" ; then
4672   :
4673 # we need pthread for static linking. use previous pthread test result
4674 elif compile_prog "" "$pthread_lib -lrt" ; then
4675   LIBS="$LIBS -lrt"
4676   libs_qga="$libs_qga -lrt"
4677 fi
4678
4679 # Check whether we need to link libutil for openpty()
4680 cat > $TMPC << EOF
4681 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4682 int main(void) { return openpty(0, 0, 0, 0, 0); }
4683 EOF
4684
4685 if ! compile_prog "" "" ; then
4686   if compile_prog "" "-lutil" ; then
4687     libs_softmmu="-lutil $libs_softmmu"
4688     libs_tools="-lutil $libs_tools"
4689   fi
4690 fi
4691
4692 ##########################################
4693 # spice probe
4694 if test "$spice" != "no" ; then
4695   cat > $TMPC << EOF
4696 #include <spice.h>
4697 int main(void) { spice_server_new(); return 0; }
4698 EOF
4699   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4700   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4701   if $pkg_config --atleast-version=0.12.5 spice-server && \
4702      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4703      compile_prog "$spice_cflags" "$spice_libs" ; then
4704     spice="yes"
4705     libs_softmmu="$libs_softmmu $spice_libs"
4706     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4707     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4708     spice_server_version=$($pkg_config --modversion spice-server)
4709   else
4710     if test "$spice" = "yes" ; then
4711       feature_not_found "spice" \
4712           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4713     fi
4714     spice="no"
4715   fi
4716 fi
4717
4718 # check for smartcard support
4719 if test "$smartcard" != "no"; then
4720     if $pkg_config --atleast-version=2.5.1 libcacard; then
4721         libcacard_cflags=$($pkg_config --cflags libcacard)
4722         libcacard_libs=$($pkg_config --libs libcacard)
4723         smartcard="yes"
4724     else
4725         if test "$smartcard" = "yes"; then
4726             feature_not_found "smartcard" "Install libcacard devel"
4727         fi
4728         smartcard="no"
4729     fi
4730 fi
4731
4732 # check for libusb
4733 if test "$libusb" != "no" ; then
4734     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4735         libusb="yes"
4736         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4737         libusb_libs=$($pkg_config --libs libusb-1.0)
4738     else
4739         if test "$libusb" = "yes"; then
4740             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4741         fi
4742         libusb="no"
4743     fi
4744 fi
4745
4746 # check for usbredirparser for usb network redirection support
4747 if test "$usb_redir" != "no" ; then
4748     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4749         usb_redir="yes"
4750         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4751         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4752     else
4753         if test "$usb_redir" = "yes"; then
4754             feature_not_found "usb-redir" "Install usbredir devel"
4755         fi
4756         usb_redir="no"
4757     fi
4758 fi
4759
4760 ##########################################
4761 # check if we have VSS SDK headers for win
4762
4763 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4764         test "$vss_win32_sdk" != "no" ; then
4765   case "$vss_win32_sdk" in
4766     "")   vss_win32_include="-isystem $source_path" ;;
4767     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4768           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4769           vss_win32_include="-isystem $source_path/.sdk/vss"
4770           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4771           ;;
4772     *)    vss_win32_include="-isystem $vss_win32_sdk"
4773   esac
4774   cat > $TMPC << EOF
4775 #define __MIDL_user_allocate_free_DEFINED__
4776 #include <inc/win2003/vss.h>
4777 int main(void) { return VSS_CTX_BACKUP; }
4778 EOF
4779   if compile_prog "$vss_win32_include" "" ; then
4780     guest_agent_with_vss="yes"
4781     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4782     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4783     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4784   else
4785     if test "$vss_win32_sdk" != "" ; then
4786       echo "ERROR: Please download and install Microsoft VSS SDK:"
4787       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4788       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4789       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4790       echo "ERROR: The headers are extracted in the directory \`inc'."
4791       feature_not_found "VSS support"
4792     fi
4793     guest_agent_with_vss="no"
4794   fi
4795 fi
4796
4797 ##########################################
4798 # lookup Windows platform SDK (if not specified)
4799 # The SDK is needed only to build .tlb (type library) file of guest agent
4800 # VSS provider from the source. It is usually unnecessary because the
4801 # pre-compiled .tlb file is included.
4802
4803 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4804         test "$guest_agent_with_vss" = "yes" ; then
4805   if test -z "$win_sdk"; then
4806     programfiles="$PROGRAMFILES"
4807     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4808     if test -n "$programfiles"; then
4809       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4810     else
4811       feature_not_found "Windows SDK"
4812     fi
4813   elif test "$win_sdk" = "no"; then
4814     win_sdk=""
4815   fi
4816 fi
4817
4818 ##########################################
4819 # check if mingw environment provides a recent ntddscsi.h
4820 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4821   cat > $TMPC << EOF
4822 #include <windows.h>
4823 #include <ntddscsi.h>
4824 int main(void) {
4825 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4826 #error Missing required ioctl definitions
4827 #endif
4828   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4829   return addr.Lun;
4830 }
4831 EOF
4832   if compile_prog "" "" ; then
4833     guest_agent_ntddscsi=yes
4834     libs_qga="-lsetupapi $libs_qga"
4835   fi
4836 fi
4837
4838 ##########################################
4839 # virgl renderer probe
4840
4841 if test "$virglrenderer" != "no" ; then
4842   cat > $TMPC << EOF
4843 #include <virglrenderer.h>
4844 int main(void) { virgl_renderer_poll(); return 0; }
4845 EOF
4846   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4847   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4848   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
4849   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4850      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4851     virglrenderer="yes"
4852   else
4853     if test "$virglrenderer" = "yes" ; then
4854       feature_not_found "virglrenderer"
4855     fi
4856     virglrenderer="no"
4857   fi
4858 fi
4859
4860 ##########################################
4861 # capstone
4862
4863 case "$capstone" in
4864   "" | yes)
4865     if $pkg_config capstone; then
4866       capstone=system
4867     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
4868       capstone=git
4869     elif test -e "${source_path}/capstone/Makefile" ; then
4870       capstone=internal
4871     elif test -z "$capstone" ; then
4872       capstone=no
4873     else
4874       feature_not_found "capstone" "Install capstone devel or git submodule"
4875     fi
4876     ;;
4877
4878   system)
4879     if ! $pkg_config capstone; then
4880       feature_not_found "capstone" "Install capstone devel"
4881     fi
4882     ;;
4883 esac
4884
4885 case "$capstone" in
4886   git | internal)
4887     if test "$capstone" = git; then
4888       git_submodules="${git_submodules} capstone"
4889     fi
4890     mkdir -p capstone
4891     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
4892     if test "$mingw32" = "yes"; then
4893       LIBCAPSTONE=capstone.lib
4894     else
4895       LIBCAPSTONE=libcapstone.a
4896     fi
4897     LIBS="-L\$(BUILD_DIR)/capstone -lcapstone $LIBS"
4898     ;;
4899
4900   system)
4901     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
4902     LIBS="$($pkg_config --libs capstone) $LIBS"
4903     ;;
4904
4905   no)
4906     ;;
4907   *)
4908     error_exit "Unknown state for capstone: $capstone"
4909     ;;
4910 esac
4911
4912 ##########################################
4913 # check if we have fdatasync
4914
4915 fdatasync=no
4916 cat > $TMPC << EOF
4917 #include <unistd.h>
4918 int main(void) {
4919 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4920 return fdatasync(0);
4921 #else
4922 #error Not supported
4923 #endif
4924 }
4925 EOF
4926 if compile_prog "" "" ; then
4927     fdatasync=yes
4928 fi
4929
4930 ##########################################
4931 # check if we have madvise
4932
4933 madvise=no
4934 cat > $TMPC << EOF
4935 #include <sys/types.h>
4936 #include <sys/mman.h>
4937 #include <stddef.h>
4938 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4939 EOF
4940 if compile_prog "" "" ; then
4941     madvise=yes
4942 fi
4943
4944 ##########################################
4945 # check if we have posix_madvise
4946
4947 posix_madvise=no
4948 cat > $TMPC << EOF
4949 #include <sys/mman.h>
4950 #include <stddef.h>
4951 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4952 EOF
4953 if compile_prog "" "" ; then
4954     posix_madvise=yes
4955 fi
4956
4957 ##########################################
4958 # check if we have posix_memalign()
4959
4960 posix_memalign=no
4961 cat > $TMPC << EOF
4962 #include <stdlib.h>
4963 int main(void) {
4964     void *p;
4965     return posix_memalign(&p, 8, 8);
4966 }
4967 EOF
4968 if compile_prog "" "" ; then
4969     posix_memalign=yes
4970 fi
4971
4972 ##########################################
4973 # check if we have posix_syslog
4974
4975 posix_syslog=no
4976 cat > $TMPC << EOF
4977 #include <syslog.h>
4978 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4979 EOF
4980 if compile_prog "" "" ; then
4981     posix_syslog=yes
4982 fi
4983
4984 ##########################################
4985 # check if we have sem_timedwait
4986
4987 sem_timedwait=no
4988 cat > $TMPC << EOF
4989 #include <semaphore.h>
4990 int main(void) { return sem_timedwait(0, 0); }
4991 EOF
4992 if compile_prog "" "" ; then
4993     sem_timedwait=yes
4994 fi
4995
4996 ##########################################
4997 # check if we have strchrnul
4998
4999 strchrnul=no
5000 cat > $TMPC << EOF
5001 #include <string.h>
5002 int main(void);
5003 // Use a haystack that the compiler shouldn't be able to constant fold
5004 char *haystack = (char*)&main;
5005 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5006 EOF
5007 if compile_prog "" "" ; then
5008     strchrnul=yes
5009 fi
5010
5011 ##########################################
5012 # check if trace backend exists
5013
5014 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5015 if test "$?" -ne 0 ; then
5016   error_exit "invalid trace backends" \
5017       "Please choose supported trace backends."
5018 fi
5019
5020 ##########################################
5021 # For 'ust' backend, test if ust headers are present
5022 if have_backend "ust"; then
5023   cat > $TMPC << EOF
5024 #include <lttng/tracepoint.h>
5025 int main(void) { return 0; }
5026 EOF
5027   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5028     if $pkg_config lttng-ust --exists; then
5029       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5030     else
5031       lttng_ust_libs="-llttng-ust -ldl"
5032     fi
5033     if $pkg_config liburcu-bp --exists; then
5034       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5035     else
5036       urcu_bp_libs="-lurcu-bp"
5037     fi
5038
5039     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5040     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5041   else
5042     error_exit "Trace backend 'ust' missing lttng-ust header files"
5043   fi
5044 fi
5045
5046 ##########################################
5047 # For 'dtrace' backend, test if 'dtrace' command is present
5048 if have_backend "dtrace"; then
5049   if ! has 'dtrace' ; then
5050     error_exit "dtrace command is not found in PATH $PATH"
5051   fi
5052   trace_backend_stap="no"
5053   if has 'stap' ; then
5054     trace_backend_stap="yes"
5055   fi
5056 fi
5057
5058 ##########################################
5059 # check and set a backend for coroutine
5060
5061 # We prefer ucontext, but it's not always possible. The fallback
5062 # is sigcontext. On Windows the only valid backend is the Windows
5063 # specific one.
5064
5065 ucontext_works=no
5066 if test "$darwin" != "yes"; then
5067   cat > $TMPC << EOF
5068 #include <ucontext.h>
5069 #ifdef __stub_makecontext
5070 #error Ignoring glibc stub makecontext which will always fail
5071 #endif
5072 int main(void) { makecontext(0, 0, 0); return 0; }
5073 EOF
5074   if compile_prog "" "" ; then
5075     ucontext_works=yes
5076   fi
5077 fi
5078
5079 if test "$coroutine" = ""; then
5080   if test "$mingw32" = "yes"; then
5081     coroutine=win32
5082   elif test "$ucontext_works" = "yes"; then
5083     coroutine=ucontext
5084   else
5085     coroutine=sigaltstack
5086   fi
5087 else
5088   case $coroutine in
5089   windows)
5090     if test "$mingw32" != "yes"; then
5091       error_exit "'windows' coroutine backend only valid for Windows"
5092     fi
5093     # Unfortunately the user visible backend name doesn't match the
5094     # coroutine-*.c filename for this case, so we have to adjust it here.
5095     coroutine=win32
5096     ;;
5097   ucontext)
5098     if test "$ucontext_works" != "yes"; then
5099       feature_not_found "ucontext"
5100     fi
5101     ;;
5102   sigaltstack)
5103     if test "$mingw32" = "yes"; then
5104       error_exit "only the 'windows' coroutine backend is valid for Windows"
5105     fi
5106     ;;
5107   *)
5108     error_exit "unknown coroutine backend $coroutine"
5109     ;;
5110   esac
5111 fi
5112
5113 if test "$coroutine_pool" = ""; then
5114   coroutine_pool=yes
5115 fi
5116
5117 if test "$debug_stack_usage" = "yes"; then
5118   if test "$coroutine_pool" = "yes"; then
5119     echo "WARN: disabling coroutine pool for stack usage debugging"
5120     coroutine_pool=no
5121   fi
5122 fi
5123
5124
5125 ##########################################
5126 # check if we have open_by_handle_at
5127
5128 open_by_handle_at=no
5129 cat > $TMPC << EOF
5130 #include <fcntl.h>
5131 #if !defined(AT_EMPTY_PATH)
5132 # error missing definition
5133 #else
5134 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5135 #endif
5136 EOF
5137 if compile_prog "" "" ; then
5138     open_by_handle_at=yes
5139 fi
5140
5141 ########################################
5142 # check if we have linux/magic.h
5143
5144 linux_magic_h=no
5145 cat > $TMPC << EOF
5146 #include <linux/magic.h>
5147 int main(void) {
5148   return 0;
5149 }
5150 EOF
5151 if compile_prog "" "" ; then
5152     linux_magic_h=yes
5153 fi
5154
5155 ########################################
5156 # check whether we can disable warning option with a pragma (this is needed
5157 # to silence warnings in the headers of some versions of external libraries).
5158 # This test has to be compiled with -Werror as otherwise an unknown pragma is
5159 # only a warning.
5160 #
5161 # If we can't selectively disable warning in the code, disable -Werror so that
5162 # the build doesn't fail anyway.
5163
5164 pragma_disable_unused_but_set=no
5165 cat > $TMPC << EOF
5166 #pragma GCC diagnostic push
5167 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
5168 #pragma GCC diagnostic pop
5169
5170 int main(void) {
5171     return 0;
5172 }
5173 EOF
5174 if compile_prog "-Werror" "" ; then
5175     pragma_diagnostic_available=yes
5176 else
5177     werror=no
5178 fi
5179
5180 ########################################
5181 # check if we have valgrind/valgrind.h
5182
5183 valgrind_h=no
5184 cat > $TMPC << EOF
5185 #include <valgrind/valgrind.h>
5186 int main(void) {
5187   return 0;
5188 }
5189 EOF
5190 if compile_prog "" "" ; then
5191     valgrind_h=yes
5192 fi
5193
5194 ########################################
5195 # check if environ is declared
5196
5197 has_environ=no
5198 cat > $TMPC << EOF
5199 #include <unistd.h>
5200 int main(void) {
5201     environ = 0;
5202     return 0;
5203 }
5204 EOF
5205 if compile_prog "" "" ; then
5206     has_environ=yes
5207 fi
5208
5209 ########################################
5210 # check if cpuid.h is usable.
5211
5212 cat > $TMPC << EOF
5213 #include <cpuid.h>
5214 int main(void) {
5215     unsigned a, b, c, d;
5216     int max = __get_cpuid_max(0, 0);
5217
5218     if (max >= 1) {
5219         __cpuid(1, a, b, c, d);
5220     }
5221
5222     if (max >= 7) {
5223         __cpuid_count(7, 0, a, b, c, d);
5224     }
5225
5226     return 0;
5227 }
5228 EOF
5229 if compile_prog "" "" ; then
5230     cpuid_h=yes
5231 fi
5232
5233 ##########################################
5234 # avx2 optimization requirement check
5235 #
5236 # There is no point enabling this if cpuid.h is not usable,
5237 # since we won't be able to select the new routines.
5238
5239 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5240   cat > $TMPC << EOF
5241 #pragma GCC push_options
5242 #pragma GCC target("avx2")
5243 #include <cpuid.h>
5244 #include <immintrin.h>
5245 static int bar(void *a) {
5246     __m256i x = *(__m256i *)a;
5247     return _mm256_testz_si256(x, x);
5248 }
5249 int main(int argc, char *argv[]) { return bar(argv[0]); }
5250 EOF
5251   if compile_object "" ; then
5252     avx2_opt="yes"
5253   else
5254     avx2_opt="no"
5255   fi
5256 fi
5257
5258 ########################################
5259 # check if __[u]int128_t is usable.
5260
5261 int128=no
5262 cat > $TMPC << EOF
5263 __int128_t a;
5264 __uint128_t b;
5265 int main (void) {
5266   a = a + b;
5267   b = a * b;
5268   a = a * a;
5269   return 0;
5270 }
5271 EOF
5272 if compile_prog "" "" ; then
5273     int128=yes
5274 fi
5275
5276 #########################################
5277 # See if 128-bit atomic operations are supported.
5278
5279 atomic128=no
5280 if test "$int128" = "yes"; then
5281   cat > $TMPC << EOF
5282 int main(void)
5283 {
5284   unsigned __int128 x = 0, y = 0;
5285   y = __atomic_load_16(&x, 0);
5286   __atomic_store_16(&x, y, 0);
5287   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5288   return 0;
5289 }
5290 EOF
5291   if compile_prog "" "" ; then
5292     atomic128=yes
5293   fi
5294 fi
5295
5296 cmpxchg128=no
5297 if test "$int128" = yes && test "$atomic128" = no; then
5298   cat > $TMPC << EOF
5299 int main(void)
5300 {
5301   unsigned __int128 x = 0, y = 0;
5302   __sync_val_compare_and_swap_16(&x, y, x);
5303   return 0;
5304 }
5305 EOF
5306   if compile_prog "" "" ; then
5307     cmpxchg128=yes
5308   fi
5309 fi
5310
5311 #########################################
5312 # See if 64-bit atomic operations are supported.
5313 # Note that without __atomic builtins, we can only
5314 # assume atomic loads/stores max at pointer size.
5315
5316 cat > $TMPC << EOF
5317 #include <stdint.h>
5318 int main(void)
5319 {
5320   uint64_t x = 0, y = 0;
5321 #ifdef __ATOMIC_RELAXED
5322   y = __atomic_load_8(&x, 0);
5323   __atomic_store_8(&x, y, 0);
5324   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5325   __atomic_exchange_8(&x, y, 0);
5326   __atomic_fetch_add_8(&x, y, 0);
5327 #else
5328   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5329   __sync_lock_test_and_set(&x, y);
5330   __sync_val_compare_and_swap(&x, y, 0);
5331   __sync_fetch_and_add(&x, y);
5332 #endif
5333   return 0;
5334 }
5335 EOF
5336 if compile_prog "" "" ; then
5337   atomic64=yes
5338 fi
5339
5340 ########################################
5341 # See if 16-byte vector operations are supported.
5342 # Even without a vector unit the compiler may expand these.
5343 # There is a bug in old GCC for PPC that crashes here.
5344 # Unfortunately it's the system compiler for Centos 7.
5345
5346 cat > $TMPC << EOF
5347 typedef unsigned char U1 __attribute__((vector_size(16)));
5348 typedef unsigned short U2 __attribute__((vector_size(16)));
5349 typedef unsigned int U4 __attribute__((vector_size(16)));
5350 typedef unsigned long long U8 __attribute__((vector_size(16)));
5351 typedef signed char S1 __attribute__((vector_size(16)));
5352 typedef signed short S2 __attribute__((vector_size(16)));
5353 typedef signed int S4 __attribute__((vector_size(16)));
5354 typedef signed long long S8 __attribute__((vector_size(16)));
5355 static U1 a1, b1;
5356 static U2 a2, b2;
5357 static U4 a4, b4;
5358 static U8 a8, b8;
5359 static S1 c1;
5360 static S2 c2;
5361 static S4 c4;
5362 static S8 c8;
5363 static int i;
5364 void helper(void *d, void *a, int shift, int i);
5365 void helper(void *d, void *a, int shift, int i)
5366 {
5367   *(U1 *)(d + i) = *(U1 *)(a + i) << shift;
5368   *(U2 *)(d + i) = *(U2 *)(a + i) << shift;
5369   *(U4 *)(d + i) = *(U4 *)(a + i) << shift;
5370   *(U8 *)(d + i) = *(U8 *)(a + i) << shift;
5371 }
5372 int main(void)
5373 {
5374   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5375   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5376   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5377   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5378   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5379   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5380   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5381   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5382   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5383   return 0;
5384 }
5385 EOF
5386
5387 vector16=no
5388 if compile_prog "" "" ; then
5389   vector16=yes
5390 fi
5391
5392 ########################################
5393 # check if getauxval is available.
5394
5395 getauxval=no
5396 cat > $TMPC << EOF
5397 #include <sys/auxv.h>
5398 int main(void) {
5399   return getauxval(AT_HWCAP) == 0;
5400 }
5401 EOF
5402 if compile_prog "" "" ; then
5403     getauxval=yes
5404 fi
5405
5406 ########################################
5407 # check if ccache is interfering with
5408 # semantic analysis of macros
5409
5410 unset CCACHE_CPP2
5411 ccache_cpp2=no
5412 cat > $TMPC << EOF
5413 static const int Z = 1;
5414 #define fn() ({ Z; })
5415 #define TAUT(X) ((X) == Z)
5416 #define PAREN(X, Y) (X == Y)
5417 #define ID(X) (X)
5418 int main(int argc, char *argv[])
5419 {
5420     int x = 0, y = 0;
5421     x = ID(x);
5422     x = fn();
5423     fn();
5424     if (PAREN(x, y)) return 0;
5425     if (TAUT(Z)) return 0;
5426     return 0;
5427 }
5428 EOF
5429
5430 if ! compile_object "-Werror"; then
5431     ccache_cpp2=yes
5432 fi
5433
5434 #################################################
5435 # clang does not support glibc + FORTIFY_SOURCE.
5436
5437 if test "$fortify_source" != "no"; then
5438   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5439     fortify_source="no";
5440   elif test -n "$cxx" && has $cxx &&
5441        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5442     fortify_source="no";
5443   else
5444     fortify_source="yes"
5445   fi
5446 fi
5447
5448 ###############################################
5449 # Check if copy_file_range is provided by glibc
5450 have_copy_file_range=no
5451 cat > $TMPC << EOF
5452 #include <unistd.h>
5453 int main(void) {
5454   copy_file_range(0, NULL, 0, NULL, 0, 0);
5455   return 0;
5456 }
5457 EOF
5458 if compile_prog "" "" ; then
5459     have_copy_file_range=yes
5460 fi
5461
5462 ##########################################
5463 # check if struct fsxattr is available via linux/fs.h
5464
5465 have_fsxattr=no
5466 cat > $TMPC << EOF
5467 #include <linux/fs.h>
5468 struct fsxattr foo;
5469 int main(void) {
5470   return 0;
5471 }
5472 EOF
5473 if compile_prog "" "" ; then
5474     have_fsxattr=yes
5475 fi
5476
5477 ##########################################
5478 # check for usable membarrier system call
5479 if test "$membarrier" = "yes"; then
5480     have_membarrier=no
5481     if test "$mingw32" = "yes" ; then
5482         have_membarrier=yes
5483     elif test "$linux" = "yes" ; then
5484         cat > $TMPC << EOF
5485     #include <linux/membarrier.h>
5486     #include <sys/syscall.h>
5487     #include <unistd.h>
5488     #include <stdlib.h>
5489     int main(void) {
5490         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5491         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5492         exit(0);
5493     }
5494 EOF
5495         if compile_prog "" "" ; then
5496             have_membarrier=yes
5497         fi
5498     fi
5499     if test "$have_membarrier" = "no"; then
5500       feature_not_found "membarrier" "membarrier system call not available"
5501     fi
5502 else
5503     # Do not enable it by default even for Mingw32, because it doesn't
5504     # work on Wine.
5505     membarrier=no
5506 fi
5507
5508 ##########################################
5509 # check if rtnetlink.h exists and is useful
5510 have_rtnetlink=no
5511 cat > $TMPC << EOF
5512 #include <linux/rtnetlink.h>
5513 int main(void) {
5514   return IFLA_PROTO_DOWN;
5515 }
5516 EOF
5517 if compile_prog "" "" ; then
5518     have_rtnetlink=yes
5519 fi
5520
5521 ##########################################
5522 # check for usable AF_VSOCK environment
5523 have_af_vsock=no
5524 cat > $TMPC << EOF
5525 #include <errno.h>
5526 #include <sys/types.h>
5527 #include <sys/socket.h>
5528 #if !defined(AF_VSOCK)
5529 # error missing AF_VSOCK flag
5530 #endif
5531 #include <linux/vm_sockets.h>
5532 int main(void) {
5533     int sock, ret;
5534     struct sockaddr_vm svm;
5535     socklen_t len = sizeof(svm);
5536     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5537     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5538     if ((ret == -1) && (errno == ENOTCONN)) {
5539         return 0;
5540     }
5541     return -1;
5542 }
5543 EOF
5544 if compile_prog "" "" ; then
5545     have_af_vsock=yes
5546 fi
5547
5548 ##########################################
5549 # check for usable AF_ALG environment
5550 hava_afalg=no
5551 cat > $TMPC << EOF
5552 #include <errno.h>
5553 #include <sys/types.h>
5554 #include <sys/socket.h>
5555 #include <linux/if_alg.h>
5556 int main(void) {
5557     int sock;
5558     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5559     return sock;
5560 }
5561 EOF
5562 if compile_prog "" "" ; then
5563     have_afalg=yes
5564 fi
5565 if test "$crypto_afalg" = "yes"
5566 then
5567     if test "$have_afalg" != "yes"
5568     then
5569         error_exit "AF_ALG requested but could not be detected"
5570     fi
5571 fi
5572
5573
5574 #################################################
5575 # Check to see if we have the Hypervisor framework
5576 if [ "$darwin" = "yes" ] ; then
5577   cat > $TMPC << EOF
5578 #include <Hypervisor/hv.h>
5579 int main() { return 0;}
5580 EOF
5581   if ! compile_object ""; then
5582     hvf='no'
5583   else
5584     hvf='yes'
5585     LDFLAGS="-framework Hypervisor $LDFLAGS"
5586   fi
5587 fi
5588
5589 #################################################
5590 # Sparc implicitly links with --relax, which is
5591 # incompatible with -r, so --no-relax should be
5592 # given. It does no harm to give it on other
5593 # platforms too.
5594
5595 # Note: the prototype is needed since QEMU_CFLAGS
5596 #       contains -Wmissing-prototypes
5597 cat > $TMPC << EOF
5598 extern int foo(void);
5599 int foo(void) { return 0; }
5600 EOF
5601 if ! compile_object ""; then
5602   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5603 fi
5604 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5605   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5606     LD_REL_FLAGS=$i
5607     break
5608   fi
5609 done
5610 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5611   feature_not_found "modules" "Cannot find how to build relocatable objects"
5612 fi
5613
5614 ##########################################
5615 # check for sysmacros.h
5616
5617 have_sysmacros=no
5618 cat > $TMPC << EOF
5619 #include <sys/sysmacros.h>
5620 int main(void) {
5621     return makedev(0, 0);
5622 }
5623 EOF
5624 if compile_prog "" "" ; then
5625     have_sysmacros=yes
5626 fi
5627
5628 ##########################################
5629 # Veritas HyperScale block driver VxHS
5630 # Check if libvxhs is installed
5631
5632 if test "$vxhs" != "no" ; then
5633   cat > $TMPC <<EOF
5634 #include <stdint.h>
5635 #include <qnio/qnio_api.h>
5636
5637 void *vxhs_callback;
5638
5639 int main(void) {
5640     iio_init(QNIO_VERSION, vxhs_callback);
5641     return 0;
5642 }
5643 EOF
5644   vxhs_libs="-lvxhs -lssl"
5645   if compile_prog "" "$vxhs_libs" ; then
5646     vxhs=yes
5647   else
5648     if test "$vxhs" = "yes" ; then
5649       feature_not_found "vxhs block device" "Install libvxhs See github"
5650     fi
5651     vxhs=no
5652   fi
5653 fi
5654
5655 ##########################################
5656 # check for _Static_assert()
5657
5658 have_static_assert=no
5659 cat > $TMPC << EOF
5660 _Static_assert(1, "success");
5661 int main(void) {
5662     return 0;
5663 }
5664 EOF
5665 if compile_prog "" "" ; then
5666     have_static_assert=yes
5667 fi
5668
5669 ##########################################
5670 # check for utmpx.h, it is missing e.g. on OpenBSD
5671
5672 have_utmpx=no
5673 cat > $TMPC << EOF
5674 #include <utmpx.h>
5675 struct utmpx user_info;
5676 int main(void) {
5677     return 0;
5678 }
5679 EOF
5680 if compile_prog "" "" ; then
5681     have_utmpx=yes
5682 fi
5683
5684 ##########################################
5685 # checks for sanitizers
5686
5687 have_asan=no
5688 have_ubsan=no
5689 have_asan_iface_h=no
5690 have_asan_iface_fiber=no
5691
5692 if test "$sanitizers" = "yes" ; then
5693   write_c_skeleton
5694   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5695       have_asan=yes
5696   fi
5697
5698   # we could use a simple skeleton for flags checks, but this also
5699   # detect the static linking issue of ubsan, see also:
5700   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5701   cat > $TMPC << EOF
5702 #include <stdlib.h>
5703 int main(void) {
5704     void *tmp = malloc(10);
5705     return *(int *)(tmp + 2);
5706 }
5707 EOF
5708   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5709       have_ubsan=yes
5710   fi
5711
5712   if check_include "sanitizer/asan_interface.h" ; then
5713       have_asan_iface_h=yes
5714   fi
5715
5716   cat > $TMPC << EOF
5717 #include <sanitizer/asan_interface.h>
5718 int main(void) {
5719   __sanitizer_start_switch_fiber(0, 0, 0);
5720   return 0;
5721 }
5722 EOF
5723   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5724       have_asan_iface_fiber=yes
5725   fi
5726 fi
5727
5728 ##########################################
5729 # Docker and cross-compiler support
5730 #
5731 # This is specifically for building test
5732 # cases for foreign architectures, not
5733 # cross-compiling QEMU itself.
5734
5735 if has "docker"; then
5736     docker=$($python $source_path/tests/docker/docker.py probe)
5737 fi
5738
5739 ##########################################
5740 # check for libpmem
5741
5742 if test "$libpmem" != "no"; then
5743         if $pkg_config --exists "libpmem"; then
5744                 libpmem="yes"
5745                 libpmem_libs=$($pkg_config --libs libpmem)
5746                 libpmem_cflags=$($pkg_config --cflags libpmem)
5747                 libs_softmmu="$libs_softmmu $libpmem_libs"
5748                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
5749         else
5750                 if test "$libpmem" = "yes" ; then
5751                         feature_not_found "libpmem" "Install nvml or pmdk"
5752                 fi
5753                 libpmem="no"
5754         fi
5755 fi
5756
5757 ##########################################
5758 # End of CC checks
5759 # After here, no more $cc or $ld runs
5760
5761 write_c_skeleton
5762
5763 if test "$gcov" = "yes" ; then
5764   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
5765   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
5766 elif test "$fortify_source" = "yes" ; then
5767   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
5768 elif test "$debug" = "no"; then
5769   CFLAGS="-O2 $CFLAGS"
5770 fi
5771
5772 if test "$have_asan" = "yes"; then
5773   CFLAGS="-fsanitize=address $CFLAGS"
5774   if test "$have_asan_iface_h" = "no" ; then
5775       echo "ASAN build enabled, but ASAN header missing." \
5776            "Without code annotation, the report may be inferior."
5777   elif test "$have_asan_iface_fiber" = "no" ; then
5778       echo "ASAN build enabled, but ASAN header is too old." \
5779            "Without code annotation, the report may be inferior."
5780   fi
5781 fi
5782 if test "$have_ubsan" = "yes"; then
5783   CFLAGS="-fsanitize=undefined $CFLAGS"
5784 fi
5785
5786 ##########################################
5787 # Do we have libnfs
5788 if test "$libnfs" != "no" ; then
5789   if $pkg_config --atleast-version=1.9.3 libnfs; then
5790     libnfs="yes"
5791     libnfs_libs=$($pkg_config --libs libnfs)
5792   else
5793     if test "$libnfs" = "yes" ; then
5794       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5795     fi
5796     libnfs="no"
5797   fi
5798 fi
5799
5800 ##########################################
5801 # Do we have libudev
5802 if test "$libudev" != "no" ; then
5803   if $pkg_config libudev && test "$static" != "yes"; then
5804     libudev="yes"
5805     libudev_libs=$($pkg_config --libs libudev)
5806   else
5807     libudev="no"
5808   fi
5809 fi
5810
5811 # Now we've finished running tests it's OK to add -Werror to the compiler flags
5812 if test "$werror" = "yes"; then
5813     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
5814 fi
5815
5816 if test "$solaris" = "no" ; then
5817     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5818         LDFLAGS="-Wl,--warn-common $LDFLAGS"
5819     fi
5820 fi
5821
5822 # test if pod2man has --utf8 option
5823 if pod2man --help | grep -q utf8; then
5824     POD2MAN="pod2man --utf8"
5825 else
5826     POD2MAN="pod2man"
5827 fi
5828
5829 # Use ASLR, no-SEH and DEP if available
5830 if test "$mingw32" = "yes" ; then
5831     for flag in --dynamicbase --no-seh --nxcompat; do
5832         if ld_has $flag ; then
5833             LDFLAGS="-Wl,$flag $LDFLAGS"
5834         fi
5835     done
5836 fi
5837
5838 qemu_confdir=$sysconfdir$confsuffix
5839 qemu_moddir=$libdir$confsuffix
5840 qemu_datadir=$datadir$confsuffix
5841 qemu_localedir="$datadir/locale"
5842 qemu_icondir="$datadir/icons"
5843 qemu_desktopdir="$datadir/applications"
5844
5845 # We can only support ivshmem if we have eventfd
5846 if [ "$eventfd" = "yes" ]; then
5847   ivshmem=yes
5848 fi
5849
5850 tools=""
5851 if test "$want_tools" = "yes" ; then
5852   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
5853   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
5854     tools="qemu-nbd\$(EXESUF) $tools"
5855   fi
5856   if [ "$ivshmem" = "yes" ]; then
5857     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
5858   fi
5859   if [ "$curl" = "yes" ]; then
5860       tools="elf2dmp\$(EXESUF) $tools"
5861   fi
5862 fi
5863 if test "$softmmu" = yes ; then
5864   if test "$linux" = yes; then
5865     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
5866       virtfs=yes
5867       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
5868     else
5869       if test "$virtfs" = yes; then
5870         error_exit "VirtFS requires libcap devel and libattr devel"
5871       fi
5872       virtfs=no
5873     fi
5874     if test "$mpath" != no && test "$mpathpersist" = yes ; then
5875       mpath=yes
5876     else
5877       if test "$mpath" = yes; then
5878         error_exit "Multipath requires libmpathpersist devel"
5879       fi
5880       mpath=no
5881     fi
5882     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
5883   else
5884     if test "$virtfs" = yes; then
5885       error_exit "VirtFS is supported only on Linux"
5886     fi
5887     virtfs=no
5888     if test "$mpath" = yes; then
5889       error_exit "Multipath is supported only on Linux"
5890     fi
5891     mpath=no
5892   fi
5893   if test "$xkbcommon" = "yes"; then
5894     tools="qemu-keymap\$(EXESUF) $tools"
5895   fi
5896 fi
5897
5898 # Probe for guest agent support/options
5899
5900 if [ "$guest_agent" != "no" ]; then
5901   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5902       tools="qemu-ga $tools"
5903       guest_agent=yes
5904   elif [ "$guest_agent" != yes ]; then
5905       guest_agent=no
5906   else
5907       error_exit "Guest agent is not supported on this platform"
5908   fi
5909 fi
5910
5911 # Guest agent Window MSI  package
5912
5913 if test "$guest_agent" != yes; then
5914   if test "$guest_agent_msi" = yes; then
5915     error_exit "MSI guest agent package requires guest agent enabled"
5916   fi
5917   guest_agent_msi=no
5918 elif test "$mingw32" != "yes"; then
5919   if test "$guest_agent_msi" = "yes"; then
5920     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5921   fi
5922   guest_agent_msi=no
5923 elif ! has wixl; then
5924   if test "$guest_agent_msi" = "yes"; then
5925     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5926   fi
5927   guest_agent_msi=no
5928 else
5929   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5930   # disabled explicitly
5931   if test "$guest_agent_msi" != "no"; then
5932     guest_agent_msi=yes
5933   fi
5934 fi
5935
5936 if test "$guest_agent_msi" = "yes"; then
5937   if test "$guest_agent_with_vss" = "yes"; then
5938     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5939   fi
5940
5941   if test "$QEMU_GA_MANUFACTURER" = ""; then
5942     QEMU_GA_MANUFACTURER=QEMU
5943   fi
5944
5945   if test "$QEMU_GA_DISTRO" = ""; then
5946     QEMU_GA_DISTRO=Linux
5947   fi
5948
5949   if test "$QEMU_GA_VERSION" = ""; then
5950       QEMU_GA_VERSION=$(cat $source_path/VERSION)
5951   fi
5952
5953   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5954
5955   case "$cpu" in
5956   x86_64)
5957     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5958     ;;
5959   i386)
5960     QEMU_GA_MSI_ARCH="-D Arch=32"
5961     ;;
5962   *)
5963     error_exit "CPU $cpu not supported for building installation package"
5964     ;;
5965   esac
5966 fi
5967
5968 # Mac OS X ships with a broken assembler
5969 roms=
5970 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
5971         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
5972         test "$softmmu" = yes ; then
5973     # Different host OS linkers have different ideas about the name of the ELF
5974     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
5975     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
5976     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
5977         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5978             ld_i386_emulation="$emu"
5979             roms="optionrom"
5980             break
5981         fi
5982     done
5983 fi
5984 if test "$cpu" = "ppc64" && test "$targetos" != "Darwin" ; then
5985   roms="$roms spapr-rtas"
5986 fi
5987
5988 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
5989 if test "$cpu" = "s390x" ; then
5990   write_c_skeleton
5991   if compile_prog "-march=z900" ""; then
5992     roms="$roms s390-ccw"
5993   fi
5994 fi
5995
5996 # Probe for the need for relocating the user-only binary.
5997 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
5998   textseg_addr=
5999   case "$cpu" in
6000     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
6001       # ??? Rationale for choosing this address
6002       textseg_addr=0x60000000
6003       ;;
6004     mips)
6005       # A 256M aligned address, high in the address space, with enough
6006       # room for the code_gen_buffer above it before the stack.
6007       textseg_addr=0x60000000
6008       ;;
6009   esac
6010   if [ -n "$textseg_addr" ]; then
6011     cat > $TMPC <<EOF
6012     int main(void) { return 0; }
6013 EOF
6014     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
6015     if ! compile_prog "" "$textseg_ldflags"; then
6016       # In case ld does not support -Ttext-segment, edit the default linker
6017       # script via sed to set the .text start addr.  This is needed on FreeBSD
6018       # at least.
6019       if ! $ld --verbose >/dev/null 2>&1; then
6020         error_exit \
6021             "We need to link the QEMU user mode binaries at a" \
6022             "specific text address. Unfortunately your linker" \
6023             "doesn't support either the -Ttext-segment option or" \
6024             "printing the default linker script with --verbose." \
6025             "If you don't want the user mode binaries, pass the" \
6026             "--disable-user option to configure."
6027       fi
6028
6029       $ld --verbose | sed \
6030         -e '1,/==================================================/d' \
6031         -e '/==================================================/,$d' \
6032         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
6033         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
6034       textseg_ldflags="-Wl,-T../config-host.ld"
6035     fi
6036   fi
6037 fi
6038
6039 # Check that the C++ compiler exists and works with the C compiler.
6040 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6041 if has $cxx; then
6042     cat > $TMPC <<EOF
6043 int c_function(void);
6044 int main(void) { return c_function(); }
6045 EOF
6046
6047     compile_object
6048
6049     cat > $TMPCXX <<EOF
6050 extern "C" {
6051    int c_function(void);
6052 }
6053 int c_function(void) { return 42; }
6054 EOF
6055
6056     update_cxxflags
6057
6058     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
6059         # C++ compiler $cxx works ok with C compiler $cc
6060         :
6061     else
6062         echo "C++ compiler $cxx does not work with C compiler $cc"
6063         echo "Disabling C++ specific optional code"
6064         cxx=
6065     fi
6066 else
6067     echo "No C++ compiler available; disabling C++ specific optional code"
6068     cxx=
6069 fi
6070
6071 echo_version() {
6072     if test "$1" = "yes" ; then
6073         echo "($2)"
6074     fi
6075 }
6076
6077 # prepend pixman and ftd flags after all config tests are done
6078 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6079 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6080 libs_softmmu="$pixman_libs $libs_softmmu"
6081
6082 echo "Install prefix    $prefix"
6083 echo "BIOS directory    $(eval echo $qemu_datadir)"
6084 echo "firmware path     $(eval echo $firmwarepath)"
6085 echo "binary directory  $(eval echo $bindir)"
6086 echo "library directory $(eval echo $libdir)"
6087 echo "module directory  $(eval echo $qemu_moddir)"
6088 echo "libexec directory $(eval echo $libexecdir)"
6089 echo "include directory $(eval echo $includedir)"
6090 echo "config directory  $(eval echo $sysconfdir)"
6091 if test "$mingw32" = "no" ; then
6092 echo "local state directory   $(eval echo $local_statedir)"
6093 echo "Manual directory  $(eval echo $mandir)"
6094 echo "ELF interp prefix $interp_prefix"
6095 else
6096 echo "local state directory   queried at runtime"
6097 echo "Windows SDK       $win_sdk"
6098 fi
6099 echo "Source path       $source_path"
6100 echo "GIT binary        $git"
6101 echo "GIT submodules    $git_submodules"
6102 echo "C compiler        $cc"
6103 echo "Host C compiler   $host_cc"
6104 echo "C++ compiler      $cxx"
6105 echo "Objective-C compiler $objcc"
6106 echo "ARFLAGS           $ARFLAGS"
6107 echo "CFLAGS            $CFLAGS"
6108 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6109 echo "LDFLAGS           $LDFLAGS"
6110 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6111 echo "make              $make"
6112 echo "install           $install"
6113 echo "python            $python ($python_version)"
6114 if test "$slirp" = "yes" ; then
6115     echo "smbd              $smbd"
6116 fi
6117 echo "module support    $modules"
6118 echo "host CPU          $cpu"
6119 echo "host big endian   $bigendian"
6120 echo "target list       $target_list"
6121 echo "gprof enabled     $gprof"
6122 echo "sparse enabled    $sparse"
6123 echo "strip binaries    $strip_opt"
6124 echo "profiler          $profiler"
6125 echo "static build      $static"
6126 if test "$darwin" = "yes" ; then
6127     echo "Cocoa support     $cocoa"
6128 fi
6129 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6130 echo "SDL image support $sdl_image"
6131 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6132 echo "GTK GL support    $gtk_gl"
6133 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6134 echo "TLS priority      $tls_priority"
6135 echo "GNUTLS support    $gnutls"
6136 echo "libgcrypt         $gcrypt"
6137 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6138 echo "libtasn1          $tasn1"
6139 echo "PAM               $auth_pam"
6140 echo "curses support    $curses"
6141 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6142 echo "curl support      $curl"
6143 echo "mingw32 support   $mingw32"
6144 echo "Audio drivers     $audio_drv_list"
6145 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6146 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6147 echo "VirtFS support    $virtfs"
6148 echo "Multipath support $mpath"
6149 echo "VNC support       $vnc"
6150 if test "$vnc" = "yes" ; then
6151     echo "VNC SASL support  $vnc_sasl"
6152     echo "VNC JPEG support  $vnc_jpeg"
6153     echo "VNC PNG support   $vnc_png"
6154 fi
6155 if test -n "$sparc_cpu"; then
6156     echo "Target Sparc Arch $sparc_cpu"
6157 fi
6158 echo "xen support       $xen"
6159 if test "$xen" = "yes" ; then
6160   echo "xen ctrl version  $xen_ctrl_version"
6161 fi
6162 echo "brlapi support    $brlapi"
6163 echo "bluez  support    $bluez"
6164 echo "Documentation     $docs"
6165 echo "PIE               $pie"
6166 echo "vde support       $vde"
6167 echo "netmap support    $netmap"
6168 echo "Linux AIO support $linux_aio"
6169 echo "ATTR/XATTR support $attr"
6170 echo "Install blobs     $blobs"
6171 echo "KVM support       $kvm"
6172 echo "HAX support       $hax"
6173 echo "HVF support       $hvf"
6174 echo "WHPX support      $whpx"
6175 echo "TCG support       $tcg"
6176 if test "$tcg" = "yes" ; then
6177     echo "TCG debug enabled $debug_tcg"
6178     echo "TCG interpreter   $tcg_interpreter"
6179 fi
6180 echo "malloc trim support $malloc_trim"
6181 echo "RDMA support      $rdma"
6182 echo "PVRDMA support    $pvrdma"
6183 echo "fdt support       $fdt"
6184 echo "membarrier        $membarrier"
6185 echo "preadv support    $preadv"
6186 echo "fdatasync         $fdatasync"
6187 echo "madvise           $madvise"
6188 echo "posix_madvise     $posix_madvise"
6189 echo "posix_memalign    $posix_memalign"
6190 echo "libcap-ng support $cap_ng"
6191 echo "vhost-net support $vhost_net"
6192 echo "vhost-crypto support $vhost_crypto"
6193 echo "vhost-scsi support $vhost_scsi"
6194 echo "vhost-vsock support $vhost_vsock"
6195 echo "vhost-user support $vhost_user"
6196 echo "Trace backends    $trace_backends"
6197 if have_backend "simple"; then
6198 echo "Trace output file $trace_file-<pid>"
6199 fi
6200 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6201 echo "rbd support       $rbd"
6202 echo "xfsctl support    $xfs"
6203 echo "smartcard support $smartcard"
6204 echo "libusb            $libusb"
6205 echo "usb net redir     $usb_redir"
6206 echo "OpenGL support    $opengl"
6207 echo "OpenGL dmabufs    $opengl_dmabuf"
6208 echo "libiscsi support  $libiscsi"
6209 echo "libnfs support    $libnfs"
6210 echo "build guest agent $guest_agent"
6211 echo "QGA VSS support   $guest_agent_with_vss"
6212 echo "QGA w32 disk info $guest_agent_ntddscsi"
6213 echo "QGA MSI support   $guest_agent_msi"
6214 echo "seccomp support   $seccomp"
6215 echo "coroutine backend $coroutine"
6216 echo "coroutine pool    $coroutine_pool"
6217 echo "debug stack usage $debug_stack_usage"
6218 echo "mutex debugging   $debug_mutex"
6219 echo "crypto afalg      $crypto_afalg"
6220 echo "GlusterFS support $glusterfs"
6221 echo "gcov              $gcov_tool"
6222 echo "gcov enabled      $gcov"
6223 echo "TPM support       $tpm"
6224 echo "libssh2 support   $libssh2"
6225 echo "TPM passthrough   $tpm_passthrough"
6226 echo "TPM emulator      $tpm_emulator"
6227 echo "QOM debugging     $qom_cast_debug"
6228 echo "Live block migration $live_block_migration"
6229 echo "lzo support       $lzo"
6230 echo "snappy support    $snappy"
6231 echo "bzip2 support     $bzip2"
6232 echo "lzfse support     $lzfse"
6233 echo "NUMA host support $numa"
6234 echo "libxml2           $libxml2"
6235 echo "tcmalloc support  $tcmalloc"
6236 echo "jemalloc support  $jemalloc"
6237 echo "avx2 optimization $avx2_opt"
6238 echo "replication support $replication"
6239 echo "VxHS block device $vxhs"
6240 echo "bochs support     $bochs"
6241 echo "cloop support     $cloop"
6242 echo "dmg support       $dmg"
6243 echo "qcow v1 support   $qcow1"
6244 echo "vdi support       $vdi"
6245 echo "vvfat support     $vvfat"
6246 echo "qed support       $qed"
6247 echo "parallels support $parallels"
6248 echo "sheepdog support  $sheepdog"
6249 echo "capstone          $capstone"
6250 echo "docker            $docker"
6251 echo "libpmem support   $libpmem"
6252 echo "libudev           $libudev"
6253
6254 if test "$supported_cpu" = "no"; then
6255     echo
6256     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6257     echo
6258     echo "CPU host architecture $cpu support is not currently maintained."
6259     echo "The QEMU project intends to remove support for this host CPU in"
6260     echo "a future release if nobody volunteers to maintain it and to"
6261     echo "provide a build host for our continuous integration setup."
6262     echo "configure has succeeded and you can continue to build, but"
6263     echo "if you care about QEMU on this platform you should contact"
6264     echo "us upstream at [email protected]."
6265 fi
6266
6267 if test "$supported_os" = "no"; then
6268     echo
6269     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6270     echo
6271     echo "Host OS $targetos support is not currently maintained."
6272     echo "The QEMU project intends to remove support for this host OS in"
6273     echo "a future release if nobody volunteers to maintain it and to"
6274     echo "provide a build host for our continuous integration setup."
6275     echo "configure has succeeded and you can continue to build, but"
6276     echo "if you care about QEMU on this platform you should contact"
6277     echo "us upstream at [email protected]."
6278 fi
6279
6280 config_host_mak="config-host.mak"
6281
6282 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6283
6284 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6285 echo >> $config_host_mak
6286
6287 echo all: >> $config_host_mak
6288 echo "prefix=$prefix" >> $config_host_mak
6289 echo "bindir=$bindir" >> $config_host_mak
6290 echo "libdir=$libdir" >> $config_host_mak
6291 echo "libexecdir=$libexecdir" >> $config_host_mak
6292 echo "includedir=$includedir" >> $config_host_mak
6293 echo "mandir=$mandir" >> $config_host_mak
6294 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6295 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6296 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6297 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6298 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6299 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6300 if test "$mingw32" = "no" ; then
6301   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6302 fi
6303 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6304 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6305 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6306 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6307 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6308 echo "GIT=$git" >> $config_host_mak
6309 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6310 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6311
6312 echo "ARCH=$ARCH" >> $config_host_mak
6313
6314 if test "$debug_tcg" = "yes" ; then
6315   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6316 fi
6317 if test "$strip_opt" = "yes" ; then
6318   echo "STRIP=${strip}" >> $config_host_mak
6319 fi
6320 if test "$bigendian" = "yes" ; then
6321   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6322 fi
6323 if test "$mingw32" = "yes" ; then
6324   echo "CONFIG_WIN32=y" >> $config_host_mak
6325   rc_version=$(cat $source_path/VERSION)
6326   version_major=${rc_version%%.*}
6327   rc_version=${rc_version#*.}
6328   version_minor=${rc_version%%.*}
6329   rc_version=${rc_version#*.}
6330   version_subminor=${rc_version%%.*}
6331   version_micro=0
6332   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6333   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6334   if test "$guest_agent_with_vss" = "yes" ; then
6335     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6336     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6337     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6338   fi
6339   if test "$guest_agent_ntddscsi" = "yes" ; then
6340     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6341   fi
6342   if test "$guest_agent_msi" = "yes"; then
6343     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6344     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6345     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6346     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6347     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6348     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6349     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6350   fi
6351 else
6352   echo "CONFIG_POSIX=y" >> $config_host_mak
6353 fi
6354
6355 if test "$linux" = "yes" ; then
6356   echo "CONFIG_LINUX=y" >> $config_host_mak
6357 fi
6358
6359 if test "$darwin" = "yes" ; then
6360   echo "CONFIG_DARWIN=y" >> $config_host_mak
6361 fi
6362
6363 if test "$solaris" = "yes" ; then
6364   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6365 fi
6366 if test "$haiku" = "yes" ; then
6367   echo "CONFIG_HAIKU=y" >> $config_host_mak
6368 fi
6369 if test "$static" = "yes" ; then
6370   echo "CONFIG_STATIC=y" >> $config_host_mak
6371 fi
6372 if test "$profiler" = "yes" ; then
6373   echo "CONFIG_PROFILER=y" >> $config_host_mak
6374 fi
6375 if test "$slirp" = "yes" ; then
6376   echo "CONFIG_SLIRP=y" >> $config_host_mak
6377   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6378 fi
6379 if test "$vde" = "yes" ; then
6380   echo "CONFIG_VDE=y" >> $config_host_mak
6381   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6382 fi
6383 if test "$netmap" = "yes" ; then
6384   echo "CONFIG_NETMAP=y" >> $config_host_mak
6385 fi
6386 if test "$l2tpv3" = "yes" ; then
6387   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6388 fi
6389 if test "$cap_ng" = "yes" ; then
6390   echo "CONFIG_LIBCAP=y" >> $config_host_mak
6391 fi
6392 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6393 for drv in $audio_drv_list; do
6394     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6395     case "$drv" in
6396         alsa | oss | pa | sdl)
6397             echo "$def=m" >> $config_host_mak ;;
6398         *)
6399             echo "$def=y" >> $config_host_mak ;;
6400     esac
6401 done
6402 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6403 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6404 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6405 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6406 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6407 if test "$audio_pt_int" = "yes" ; then
6408   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
6409 fi
6410 if test "$audio_win_int" = "yes" ; then
6411   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6412 fi
6413 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6414 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6415 if test "$vnc" = "yes" ; then
6416   echo "CONFIG_VNC=y" >> $config_host_mak
6417 fi
6418 if test "$vnc_sasl" = "yes" ; then
6419   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6420 fi
6421 if test "$vnc_jpeg" = "yes" ; then
6422   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6423 fi
6424 if test "$vnc_png" = "yes" ; then
6425   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6426 fi
6427 if test "$xkbcommon" = "yes" ; then
6428   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6429   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6430 fi
6431 if test "$xfs" = "yes" ; then
6432   echo "CONFIG_XFS=y" >> $config_host_mak
6433 fi
6434 qemu_version=$(head $source_path/VERSION)
6435 echo "VERSION=$qemu_version" >>$config_host_mak
6436 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6437 echo "SRC_PATH=$source_path" >> $config_host_mak
6438 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6439 if [ "$docs" = "yes" ] ; then
6440   echo "BUILD_DOCS=yes" >> $config_host_mak
6441 fi
6442 if test "$modules" = "yes"; then
6443   # $shacmd can generate a hash started with digit, which the compiler doesn't
6444   # like as an symbol. So prefix it with an underscore
6445   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6446   echo "CONFIG_MODULES=y" >> $config_host_mak
6447 fi
6448 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6449   echo "CONFIG_X11=y" >> $config_host_mak
6450   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6451   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6452 fi
6453 if test "$sdl" = "yes" ; then
6454   echo "CONFIG_SDL=m" >> $config_host_mak
6455   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6456   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6457   if test "$sdl_image" = "yes" ; then
6458       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
6459   fi
6460 fi
6461 if test "$cocoa" = "yes" ; then
6462   echo "CONFIG_COCOA=y" >> $config_host_mak
6463 fi
6464 if test "$curses" = "yes" ; then
6465   echo "CONFIG_CURSES=m" >> $config_host_mak
6466   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6467   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6468 fi
6469 if test "$pipe2" = "yes" ; then
6470   echo "CONFIG_PIPE2=y" >> $config_host_mak
6471 fi
6472 if test "$accept4" = "yes" ; then
6473   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6474 fi
6475 if test "$splice" = "yes" ; then
6476   echo "CONFIG_SPLICE=y" >> $config_host_mak
6477 fi
6478 if test "$eventfd" = "yes" ; then
6479   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6480 fi
6481 if test "$memfd" = "yes" ; then
6482   echo "CONFIG_MEMFD=y" >> $config_host_mak
6483 fi
6484 if test "$have_usbfs" = "yes" ; then
6485   echo "CONFIG_USBFS=y" >> $config_host_mak
6486 fi
6487 if test "$fallocate" = "yes" ; then
6488   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6489 fi
6490 if test "$fallocate_punch_hole" = "yes" ; then
6491   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6492 fi
6493 if test "$fallocate_zero_range" = "yes" ; then
6494   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6495 fi
6496 if test "$posix_fallocate" = "yes" ; then
6497   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6498 fi
6499 if test "$sync_file_range" = "yes" ; then
6500   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6501 fi
6502 if test "$fiemap" = "yes" ; then
6503   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6504 fi
6505 if test "$dup3" = "yes" ; then
6506   echo "CONFIG_DUP3=y" >> $config_host_mak
6507 fi
6508 if test "$ppoll" = "yes" ; then
6509   echo "CONFIG_PPOLL=y" >> $config_host_mak
6510 fi
6511 if test "$prctl_pr_set_timerslack" = "yes" ; then
6512   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6513 fi
6514 if test "$epoll" = "yes" ; then
6515   echo "CONFIG_EPOLL=y" >> $config_host_mak
6516 fi
6517 if test "$epoll_create1" = "yes" ; then
6518   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6519 fi
6520 if test "$sendfile" = "yes" ; then
6521   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6522 fi
6523 if test "$timerfd" = "yes" ; then
6524   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6525 fi
6526 if test "$setns" = "yes" ; then
6527   echo "CONFIG_SETNS=y" >> $config_host_mak
6528 fi
6529 if test "$clock_adjtime" = "yes" ; then
6530   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6531 fi
6532 if test "$syncfs" = "yes" ; then
6533   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6534 fi
6535 if test "$inotify" = "yes" ; then
6536   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6537 fi
6538 if test "$inotify1" = "yes" ; then
6539   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6540 fi
6541 if test "$sem_timedwait" = "yes" ; then
6542   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6543 fi
6544 if test "$strchrnul" = "yes" ; then
6545   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6546 fi
6547 if test "$byteswap_h" = "yes" ; then
6548   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6549 fi
6550 if test "$bswap_h" = "yes" ; then
6551   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6552 fi
6553 if test "$curl" = "yes" ; then
6554   echo "CONFIG_CURL=m" >> $config_host_mak
6555   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6556   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6557 fi
6558 if test "$brlapi" = "yes" ; then
6559   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6560   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6561 fi
6562 if test "$bluez" = "yes" ; then
6563   echo "CONFIG_BLUEZ=y" >> $config_host_mak
6564   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
6565 fi
6566 if test "$gtk" = "yes" ; then
6567   echo "CONFIG_GTK=m" >> $config_host_mak
6568   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6569   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6570   if test "$gtk_gl" = "yes" ; then
6571     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6572   fi
6573 fi
6574 if test "$gio" = "yes" ; then
6575     echo "CONFIG_GIO=y" >> $config_host_mak
6576     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6577     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6578 fi
6579 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6580 if test "$gnutls" = "yes" ; then
6581   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6582 fi
6583 if test "$gcrypt" = "yes" ; then
6584   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6585   if test "$gcrypt_hmac" = "yes" ; then
6586     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6587   fi
6588 fi
6589 if test "$nettle" = "yes" ; then
6590   echo "CONFIG_NETTLE=y" >> $config_host_mak
6591   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6592 fi
6593 if test "$tasn1" = "yes" ; then
6594   echo "CONFIG_TASN1=y" >> $config_host_mak
6595 fi
6596 if test "$auth_pam" = "yes" ; then
6597     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6598 fi
6599 if test "$have_ifaddrs_h" = "yes" ; then
6600     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6601 fi
6602 if test "$have_broken_size_max" = "yes" ; then
6603     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6604 fi
6605
6606 # Work around a system header bug with some kernel/XFS header
6607 # versions where they both try to define 'struct fsxattr':
6608 # xfs headers will not try to redefine structs from linux headers
6609 # if this macro is set.
6610 if test "$have_fsxattr" = "yes" ; then
6611     echo "HAVE_FSXATTR=y" >> $config_host_mak
6612 fi
6613 if test "$have_copy_file_range" = "yes" ; then
6614     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6615 fi
6616 if test "$vte" = "yes" ; then
6617   echo "CONFIG_VTE=y" >> $config_host_mak
6618   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6619   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6620 fi
6621 if test "$virglrenderer" = "yes" ; then
6622   echo "CONFIG_VIRGL=y" >> $config_host_mak
6623   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6624   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6625 fi
6626 if test "$xen" = "yes" ; then
6627   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6628   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6629 fi
6630 if test "$linux_aio" = "yes" ; then
6631   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6632 fi
6633 if test "$attr" = "yes" ; then
6634   echo "CONFIG_ATTR=y" >> $config_host_mak
6635 fi
6636 if test "$libattr" = "yes" ; then
6637   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6638 fi
6639 if test "$virtfs" = "yes" ; then
6640   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6641 fi
6642 if test "$mpath" = "yes" ; then
6643   echo "CONFIG_MPATH=y" >> $config_host_mak
6644   if test "$mpathpersist_new_api" = "yes"; then
6645     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
6646   fi
6647 fi
6648 if test "$vhost_scsi" = "yes" ; then
6649   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6650 fi
6651 if test "$vhost_net" = "yes" ; then
6652   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
6653 fi
6654 if test "$vhost_net_user" = "yes" ; then
6655   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
6656 fi
6657 if test "$vhost_crypto" = "yes" ; then
6658   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6659 fi
6660 if test "$vhost_vsock" = "yes" ; then
6661   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6662 fi
6663 if test "$vhost_kernel" = "yes" ; then
6664   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
6665 fi
6666 if test "$vhost_user" = "yes" ; then
6667   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6668 fi
6669 if test "$blobs" = "yes" ; then
6670   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6671 fi
6672 if test "$iovec" = "yes" ; then
6673   echo "CONFIG_IOVEC=y" >> $config_host_mak
6674 fi
6675 if test "$preadv" = "yes" ; then
6676   echo "CONFIG_PREADV=y" >> $config_host_mak
6677 fi
6678 if test "$fdt" != "no" ; then
6679   echo "CONFIG_FDT=y" >> $config_host_mak
6680 fi
6681 if test "$membarrier" = "yes" ; then
6682   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
6683 fi
6684 if test "$signalfd" = "yes" ; then
6685   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6686 fi
6687 if test "$optreset" = "yes" ; then
6688   echo "HAVE_OPTRESET=y" >> $config_host_mak
6689 fi
6690 if test "$tcg" = "yes"; then
6691   echo "CONFIG_TCG=y" >> $config_host_mak
6692   if test "$tcg_interpreter" = "yes" ; then
6693     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6694   fi
6695 fi
6696 if test "$fdatasync" = "yes" ; then
6697   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6698 fi
6699 if test "$madvise" = "yes" ; then
6700   echo "CONFIG_MADVISE=y" >> $config_host_mak
6701 fi
6702 if test "$posix_madvise" = "yes" ; then
6703   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6704 fi
6705 if test "$posix_memalign" = "yes" ; then
6706   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6707 fi
6708
6709 if test "$spice" = "yes" ; then
6710   echo "CONFIG_SPICE=y" >> $config_host_mak
6711 fi
6712
6713 if test "$smartcard" = "yes" ; then
6714   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6715   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6716   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6717 fi
6718
6719 if test "$libusb" = "yes" ; then
6720   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6721   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6722   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6723 fi
6724
6725 if test "$usb_redir" = "yes" ; then
6726   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6727   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6728   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6729 fi
6730
6731 if test "$opengl" = "yes" ; then
6732   echo "CONFIG_OPENGL=y" >> $config_host_mak
6733   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6734   if test "$opengl_dmabuf" = "yes" ; then
6735     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6736   fi
6737 fi
6738
6739 if test "$malloc_trim" = "yes" ; then
6740   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
6741 fi
6742
6743 if test "$avx2_opt" = "yes" ; then
6744   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6745 fi
6746
6747 if test "$lzo" = "yes" ; then
6748   echo "CONFIG_LZO=y" >> $config_host_mak
6749 fi
6750
6751 if test "$snappy" = "yes" ; then
6752   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6753 fi
6754
6755 if test "$bzip2" = "yes" ; then
6756   echo "CONFIG_BZIP2=y" >> $config_host_mak
6757   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6758 fi
6759
6760 if test "$lzfse" = "yes" ; then
6761   echo "CONFIG_LZFSE=y" >> $config_host_mak
6762   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
6763 fi
6764
6765 if test "$libiscsi" = "yes" ; then
6766   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
6767   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6768   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6769 fi
6770
6771 if test "$libnfs" = "yes" ; then
6772   echo "CONFIG_LIBNFS=m" >> $config_host_mak
6773   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6774 fi
6775
6776 if test "$seccomp" = "yes"; then
6777   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6778   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6779   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6780 fi
6781
6782 # XXX: suppress that
6783 if [ "$bsd" = "yes" ] ; then
6784   echo "CONFIG_BSD=y" >> $config_host_mak
6785 fi
6786
6787 if test "$localtime_r" = "yes" ; then
6788   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
6789 fi
6790 if test "$qom_cast_debug" = "yes" ; then
6791   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6792 fi
6793 if test "$rbd" = "yes" ; then
6794   echo "CONFIG_RBD=m" >> $config_host_mak
6795   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
6796   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6797 fi
6798
6799 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6800 if test "$coroutine_pool" = "yes" ; then
6801   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6802 else
6803   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6804 fi
6805
6806 if test "$debug_stack_usage" = "yes" ; then
6807   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6808 fi
6809
6810 if test "$crypto_afalg" = "yes" ; then
6811   echo "CONFIG_AF_ALG=y" >> $config_host_mak
6812 fi
6813
6814 if test "$open_by_handle_at" = "yes" ; then
6815   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6816 fi
6817
6818 if test "$linux_magic_h" = "yes" ; then
6819   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6820 fi
6821
6822 if test "$pragma_diagnostic_available" = "yes" ; then
6823   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
6824 fi
6825
6826 if test "$valgrind_h" = "yes" ; then
6827   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6828 fi
6829
6830 if test "$have_asan_iface_fiber" = "yes" ; then
6831     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6832 fi
6833
6834 if test "$has_environ" = "yes" ; then
6835   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6836 fi
6837
6838 if test "$cpuid_h" = "yes" ; then
6839   echo "CONFIG_CPUID_H=y" >> $config_host_mak
6840 fi
6841
6842 if test "$int128" = "yes" ; then
6843   echo "CONFIG_INT128=y" >> $config_host_mak
6844 fi
6845
6846 if test "$atomic128" = "yes" ; then
6847   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6848 fi
6849
6850 if test "$cmpxchg128" = "yes" ; then
6851   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
6852 fi
6853
6854 if test "$atomic64" = "yes" ; then
6855   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6856 fi
6857
6858 if test "$vector16" = "yes" ; then
6859   echo "CONFIG_VECTOR16=y" >> $config_host_mak
6860 fi
6861
6862 if test "$getauxval" = "yes" ; then
6863   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6864 fi
6865
6866 if test "$glusterfs" = "yes" ; then
6867   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
6868   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6869   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6870 fi
6871
6872 if test "$glusterfs_xlator_opt" = "yes" ; then
6873   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6874 fi
6875
6876 if test "$glusterfs_discard" = "yes" ; then
6877   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6878 fi
6879
6880 if test "$glusterfs_fallocate" = "yes" ; then
6881   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6882 fi
6883
6884 if test "$glusterfs_zerofill" = "yes" ; then
6885   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6886 fi
6887
6888 if test "$libssh2" = "yes" ; then
6889   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
6890   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
6891   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
6892 fi
6893
6894 if test "$live_block_migration" = "yes" ; then
6895   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6896 fi
6897
6898 if test "$tpm" = "yes"; then
6899   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
6900   # TPM passthrough support?
6901   if test "$tpm_passthrough" = "yes"; then
6902     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
6903   fi
6904   # TPM emulator support?
6905   if test "$tpm_emulator" = "yes"; then
6906     echo "CONFIG_TPM_EMULATOR=y" >> $config_host_mak
6907   fi
6908 fi
6909
6910 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6911 if have_backend "nop"; then
6912   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6913 fi
6914 if have_backend "simple"; then
6915   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6916   # Set the appropriate trace file.
6917   trace_file="\"$trace_file-\" FMT_pid"
6918 fi
6919 if have_backend "log"; then
6920   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6921 fi
6922 if have_backend "ust"; then
6923   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6924 fi
6925 if have_backend "dtrace"; then
6926   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6927   if test "$trace_backend_stap" = "yes" ; then
6928     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6929   fi
6930 fi
6931 if have_backend "ftrace"; then
6932   if test "$linux" = "yes" ; then
6933     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6934   else
6935     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6936   fi
6937 fi
6938 if have_backend "syslog"; then
6939   if test "$posix_syslog" = "yes" ; then
6940     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6941   else
6942     feature_not_found "syslog(trace backend)" "syslog not available"
6943   fi
6944 fi
6945 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6946
6947 if test "$rdma" = "yes" ; then
6948   echo "CONFIG_RDMA=y" >> $config_host_mak
6949   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6950 fi
6951
6952 if test "$pvrdma" = "yes" ; then
6953   echo "CONFIG_PVRDMA=y" >> $config_host_mak
6954 fi
6955
6956 if test "$have_rtnetlink" = "yes" ; then
6957   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6958 fi
6959
6960 if test "$libxml2" = "yes" ; then
6961   echo "CONFIG_LIBXML2=y" >> $config_host_mak
6962   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
6963   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
6964 fi
6965
6966 if test "$replication" = "yes" ; then
6967   echo "CONFIG_REPLICATION=y" >> $config_host_mak
6968 fi
6969
6970 if test "$have_af_vsock" = "yes" ; then
6971   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6972 fi
6973
6974 if test "$have_sysmacros" = "yes" ; then
6975   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6976 fi
6977
6978 if test "$have_static_assert" = "yes" ; then
6979   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6980 fi
6981
6982 if test "$have_utmpx" = "yes" ; then
6983   echo "HAVE_UTMPX=y" >> $config_host_mak
6984 fi
6985
6986 if test "$ivshmem" = "yes" ; then
6987   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6988 fi
6989 if test "$capstone" != "no" ; then
6990   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
6991 fi
6992 if test "$debug_mutex" = "yes" ; then
6993   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
6994 fi
6995
6996 # Hold two types of flag:
6997 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
6998 #                                     a thread we have a handle to
6999 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7000 #                                     platform
7001 if test "$pthread_setname_np_w_tid" = "yes" ; then
7002   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7003   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7004 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7005   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7006   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7007 fi
7008
7009 if test "$vxhs" = "yes" ; then
7010   echo "CONFIG_VXHS=y" >> $config_host_mak
7011   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
7012 fi
7013
7014 if test "$libpmem" = "yes" ; then
7015   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7016 fi
7017
7018 if test "$bochs" = "yes" ; then
7019   echo "CONFIG_BOCHS=y" >> $config_host_mak
7020 fi
7021 if test "$cloop" = "yes" ; then
7022   echo "CONFIG_CLOOP=y" >> $config_host_mak
7023 fi
7024 if test "$dmg" = "yes" ; then
7025   echo "CONFIG_DMG=y" >> $config_host_mak
7026 fi
7027 if test "$qcow1" = "yes" ; then
7028   echo "CONFIG_QCOW1=y" >> $config_host_mak
7029 fi
7030 if test "$vdi" = "yes" ; then
7031   echo "CONFIG_VDI=y" >> $config_host_mak
7032 fi
7033 if test "$vvfat" = "yes" ; then
7034   echo "CONFIG_VVFAT=y" >> $config_host_mak
7035 fi
7036 if test "$qed" = "yes" ; then
7037   echo "CONFIG_QED=y" >> $config_host_mak
7038 fi
7039 if test "$parallels" = "yes" ; then
7040   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7041 fi
7042 if test "$sheepdog" = "yes" ; then
7043   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7044 fi
7045
7046 if test "$tcg_interpreter" = "yes"; then
7047   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
7048 elif test "$ARCH" = "sparc64" ; then
7049   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
7050 elif test "$ARCH" = "s390x" ; then
7051   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
7052 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7053   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
7054 elif test "$ARCH" = "ppc64" ; then
7055   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
7056 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7057   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
7058 else
7059   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
7060 fi
7061 QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg $QEMU_INCLUDES"
7062
7063 echo "TOOLS=$tools" >> $config_host_mak
7064 echo "ROMS=$roms" >> $config_host_mak
7065 echo "MAKE=$make" >> $config_host_mak
7066 echo "INSTALL=$install" >> $config_host_mak
7067 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7068 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7069 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7070 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7071 echo "PYTHON=$python" >> $config_host_mak
7072 echo "PYTHON_VERSION=$python_version" >> $config_host_mak
7073 echo "CC=$cc" >> $config_host_mak
7074 if $iasl -h > /dev/null 2>&1; then
7075   echo "IASL=$iasl" >> $config_host_mak
7076 fi
7077 echo "HOST_CC=$host_cc" >> $config_host_mak
7078 echo "CXX=$cxx" >> $config_host_mak
7079 echo "OBJCC=$objcc" >> $config_host_mak
7080 echo "AR=$ar" >> $config_host_mak
7081 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7082 echo "AS=$as" >> $config_host_mak
7083 echo "CCAS=$ccas" >> $config_host_mak
7084 echo "CPP=$cpp" >> $config_host_mak
7085 echo "OBJCOPY=$objcopy" >> $config_host_mak
7086 echo "LD=$ld" >> $config_host_mak
7087 echo "RANLIB=$ranlib" >> $config_host_mak
7088 echo "NM=$nm" >> $config_host_mak
7089 echo "WINDRES=$windres" >> $config_host_mak
7090 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7091 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7092 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7093 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7094 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7095 if test "$sparse" = "yes" ; then
7096   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7097   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7098   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7099   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7100   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7101 fi
7102 if test "$cross_prefix" != ""; then
7103   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
7104 else
7105   echo "AUTOCONF_HOST := "                             >> $config_host_mak
7106 fi
7107 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
7108 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7109 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7110 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7111 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7112 echo "LIBS+=$LIBS" >> $config_host_mak
7113 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7114 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7115 echo "EXESUF=$EXESUF" >> $config_host_mak
7116 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7117 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7118 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7119 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7120 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7121 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7122 if test "$gcov" = "yes" ; then
7123   echo "CONFIG_GCOV=y" >> $config_host_mak
7124   echo "GCOV=$gcov_tool" >> $config_host_mak
7125 fi
7126
7127 if test "$docker" != "no"; then
7128     echo "HAVE_USER_DOCKER=y" >> $config_host_mak
7129 fi
7130
7131 if test "$libudev" != "no"; then
7132     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7133     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7134 fi
7135
7136 # use included Linux headers
7137 if test "$linux" = "yes" ; then
7138   mkdir -p linux-headers
7139   case "$cpu" in
7140   i386|x86_64|x32)
7141     linux_arch=x86
7142     ;;
7143   ppc|ppc64)
7144     linux_arch=powerpc
7145     ;;
7146   s390x)
7147     linux_arch=s390
7148     ;;
7149   aarch64)
7150     linux_arch=arm64
7151     ;;
7152   mips64)
7153     linux_arch=mips
7154     ;;
7155   *)
7156     # For most CPUs the kernel architecture name and QEMU CPU name match.
7157     linux_arch="$cpu"
7158     ;;
7159   esac
7160     # For non-KVM architectures we will not have asm headers
7161     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7162       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7163     fi
7164 fi
7165
7166 for target in $target_list; do
7167 target_dir="$target"
7168 config_target_mak=$target_dir/config-target.mak
7169 target_name=$(echo $target | cut -d '-' -f 1)
7170 target_bigendian="no"
7171
7172 case "$target_name" in
7173   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7174   target_bigendian=yes
7175   ;;
7176 esac
7177 target_softmmu="no"
7178 target_user_only="no"
7179 target_linux_user="no"
7180 target_bsd_user="no"
7181 case "$target" in
7182   ${target_name}-softmmu)
7183     target_softmmu="yes"
7184     ;;
7185   ${target_name}-linux-user)
7186     target_user_only="yes"
7187     target_linux_user="yes"
7188     ;;
7189   ${target_name}-bsd-user)
7190     target_user_only="yes"
7191     target_bsd_user="yes"
7192     ;;
7193   *)
7194     error_exit "Target '$target' not recognised"
7195     exit 1
7196     ;;
7197 esac
7198
7199 target_compiler=""
7200 target_compiler_static=""
7201 target_compiler_cflags=""
7202
7203 mkdir -p $target_dir
7204 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7205
7206 bflt="no"
7207 mttcg="no"
7208 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7209 gdb_xml_files=""
7210
7211 TARGET_ARCH="$target_name"
7212 TARGET_BASE_ARCH=""
7213 TARGET_ABI_DIR=""
7214
7215 case "$target_name" in
7216   i386)
7217     mttcg="yes"
7218         gdb_xml_files="i386-32bit.xml"
7219     target_compiler=$cross_cc_i386
7220     target_compiler_cflags=$cross_cc_ccflags_i386
7221   ;;
7222   x86_64)
7223     TARGET_BASE_ARCH=i386
7224     mttcg="yes"
7225         gdb_xml_files="i386-64bit.xml"
7226     target_compiler=$cross_cc_x86_64
7227   ;;
7228   alpha)
7229     mttcg="yes"
7230     target_compiler=$cross_cc_alpha
7231   ;;
7232   arm|armeb)
7233     TARGET_ARCH=arm
7234     bflt="yes"
7235     mttcg="yes"
7236     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7237     target_compiler=$cross_cc_arm
7238     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
7239   ;;
7240   aarch64|aarch64_be)
7241     TARGET_ARCH=aarch64
7242     TARGET_BASE_ARCH=arm
7243     bflt="yes"
7244     mttcg="yes"
7245     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7246     target_compiler=$cross_cc_aarch64
7247     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
7248   ;;
7249   cris)
7250     target_compiler=$cross_cc_cris
7251   ;;
7252   hppa)
7253     mttcg="yes"
7254     target_compiler=$cross_cc_hppa
7255   ;;
7256   lm32)
7257     target_compiler=$cross_cc_lm32
7258   ;;
7259   m68k)
7260     bflt="yes"
7261     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
7262     target_compiler=$cross_cc_m68k
7263   ;;
7264   microblaze|microblazeel)
7265     TARGET_ARCH=microblaze
7266     bflt="yes"
7267     echo "TARGET_ABI32=y" >> $config_target_mak
7268     target_compiler=$cross_cc_microblaze
7269   ;;
7270   mips|mipsel)
7271     mttcg="yes"
7272     TARGET_ARCH=mips
7273     target_compiler=$cross_cc_mips
7274     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7275   ;;
7276   mipsn32|mipsn32el)
7277     mttcg="yes"
7278     TARGET_ARCH=mips64
7279     TARGET_BASE_ARCH=mips
7280     target_compiler=$cross_cc_mipsn32
7281     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7282     echo "TARGET_ABI32=y" >> $config_target_mak
7283   ;;
7284   mips64|mips64el)
7285     mttcg="yes"
7286     TARGET_ARCH=mips64
7287     TARGET_BASE_ARCH=mips
7288     target_compiler=$cross_cc_mips64
7289     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7290   ;;
7291   moxie)
7292     target_compiler=$cross_cc_moxie
7293   ;;
7294   nios2)
7295     target_compiler=$cross_cc_nios2
7296   ;;
7297   or1k)
7298     target_compiler=$cross_cc_or1k
7299     TARGET_ARCH=openrisc
7300     TARGET_BASE_ARCH=openrisc
7301   ;;
7302   ppc)
7303     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7304     target_compiler=$cross_cc_powerpc
7305   ;;
7306   ppc64)
7307     TARGET_BASE_ARCH=ppc
7308     TARGET_ABI_DIR=ppc
7309     mttcg=yes
7310     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7311     target_compiler=$cross_cc_ppc64
7312   ;;
7313   ppc64le)
7314     TARGET_ARCH=ppc64
7315     TARGET_BASE_ARCH=ppc
7316     TARGET_ABI_DIR=ppc
7317     mttcg=yes
7318     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7319     target_compiler=$cross_cc_ppc64le
7320   ;;
7321   ppc64abi32)
7322     TARGET_ARCH=ppc64
7323     TARGET_BASE_ARCH=ppc
7324     TARGET_ABI_DIR=ppc
7325     echo "TARGET_ABI32=y" >> $config_target_mak
7326     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7327     target_compiler=$cross_cc_ppc64abi32
7328   ;;
7329   riscv32)
7330     TARGET_BASE_ARCH=riscv
7331     TARGET_ABI_DIR=riscv
7332     mttcg=yes
7333     target_compiler=$cross_cc_riscv32
7334   ;;
7335   riscv64)
7336     TARGET_BASE_ARCH=riscv
7337     TARGET_ABI_DIR=riscv
7338     mttcg=yes
7339     target_compiler=$cross_cc_riscv64
7340   ;;
7341   sh4|sh4eb)
7342     TARGET_ARCH=sh4
7343     bflt="yes"
7344     target_compiler=$cross_cc_sh4
7345   ;;
7346   sparc)
7347     target_compiler=$cross_cc_sparc
7348   ;;
7349   sparc64)
7350     TARGET_BASE_ARCH=sparc
7351     target_compiler=$cross_cc_sparc64
7352   ;;
7353   sparc32plus)
7354     TARGET_ARCH=sparc64
7355     TARGET_BASE_ARCH=sparc
7356     TARGET_ABI_DIR=sparc
7357     target_compiler=$cross_cc_sparc32plus
7358     echo "TARGET_ABI32=y" >> $config_target_mak
7359   ;;
7360   s390x)
7361     mttcg=yes
7362     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7363     target_compiler=$cross_cc_s390x
7364   ;;
7365   tilegx)
7366     target_compiler=$cross_cc_tilegx
7367   ;;
7368   tricore)
7369     target_compiler=$cross_cc_tricore
7370   ;;
7371   unicore32)
7372     target_compiler=$cross_cc_unicore32
7373   ;;
7374   xtensa|xtensaeb)
7375     TARGET_ARCH=xtensa
7376     bflt="yes"
7377     mttcg="yes"
7378     target_compiler=$cross_cc_xtensa
7379   ;;
7380   *)
7381     error_exit "Unsupported target CPU"
7382   ;;
7383 esac
7384 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7385 if [ "$TARGET_BASE_ARCH" = "" ]; then
7386   TARGET_BASE_ARCH=$TARGET_ARCH
7387 fi
7388
7389 # Do we have a cross compiler for this target?
7390 if has $target_compiler; then
7391
7392     write_c_skeleton
7393
7394     if ! do_compiler "$target_compiler" $target_compiler_cflags -o $TMPE $TMPC -static ; then
7395         # For host systems we might get away with building without -static
7396         if ! do_compiler "$target_compiler" $target_compiler_cflags -o $TMPE $TMPC ; then
7397             target_compiler=""
7398         else
7399             enabled_cross_compilers="${enabled_cross_compilers} '${target_compiler}'"
7400             target_compiler_static="n"
7401         fi
7402     else
7403         enabled_cross_compilers="${enabled_cross_compilers} '${target_compiler}'"
7404         target_compiler_static="y"
7405     fi
7406 else
7407     target_compiler=""
7408 fi
7409
7410 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
7411
7412 upper() {
7413     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7414 }
7415
7416 target_arch_name="$(upper $TARGET_ARCH)"
7417 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7418 echo "TARGET_NAME=$target_name" >> $config_target_mak
7419 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7420 if [ "$TARGET_ABI_DIR" = "" ]; then
7421   TARGET_ABI_DIR=$TARGET_ARCH
7422 fi
7423 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7424 if [ "$HOST_VARIANT_DIR" != "" ]; then
7425     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7426 fi
7427
7428 if supported_xen_target $target; then
7429     echo "CONFIG_XEN=y" >> $config_target_mak
7430     if test "$xen_pci_passthrough" = yes; then
7431         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7432     fi
7433 fi
7434 if supported_kvm_target $target; then
7435     echo "CONFIG_KVM=y" >> $config_target_mak
7436 fi
7437 if supported_hax_target $target; then
7438     echo "CONFIG_HAX=y" >> $config_target_mak
7439 fi
7440 if supported_hvf_target $target; then
7441     echo "CONFIG_HVF=y" >> $config_target_mak
7442 fi
7443 if supported_whpx_target $target; then
7444     echo "CONFIG_WHPX=y" >> $config_target_mak
7445 fi
7446 if test "$target_bigendian" = "yes" ; then
7447   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7448 fi
7449 if test "$target_softmmu" = "yes" ; then
7450   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7451   if test "$mttcg" = "yes" ; then
7452     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7453   fi
7454 fi
7455 if test "$target_user_only" = "yes" ; then
7456   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7457   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7458 fi
7459 if test "$target_linux_user" = "yes" ; then
7460   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7461 fi
7462 list=""
7463 if test ! -z "$gdb_xml_files" ; then
7464   for x in $gdb_xml_files; do
7465     list="$list $source_path/gdb-xml/$x"
7466   done
7467   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7468 fi
7469
7470 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7471   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7472 fi
7473 if test "$target_bsd_user" = "yes" ; then
7474   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7475 fi
7476
7477 if test -n "$target_compiler"; then
7478   echo "CROSS_CC_GUEST=\"$target_compiler\"" >> $config_target_mak
7479
7480   if test -n "$target_compiler_static"; then
7481       echo "CROSS_CC_GUEST_STATIC=$target_compiler_static" >> $config_target_mak
7482   fi
7483
7484   if test -n "$target_compiler_cflags"; then
7485       echo "CROSS_CC_GUEST_CFLAGS=$target_compiler_cflags" >> $config_target_mak
7486   fi
7487 fi
7488
7489
7490 # generate QEMU_CFLAGS/LDFLAGS for targets
7491
7492 cflags=""
7493 ldflags=""
7494
7495 disas_config() {
7496   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7497   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7498 }
7499
7500 for i in $ARCH $TARGET_BASE_ARCH ; do
7501   case "$i" in
7502   alpha)
7503     disas_config "ALPHA"
7504   ;;
7505   aarch64)
7506     if test -n "${cxx}"; then
7507       disas_config "ARM_A64"
7508     fi
7509   ;;
7510   arm)
7511     disas_config "ARM"
7512     if test -n "${cxx}"; then
7513       disas_config "ARM_A64"
7514     fi
7515   ;;
7516   cris)
7517     disas_config "CRIS"
7518   ;;
7519   hppa)
7520     disas_config "HPPA"
7521   ;;
7522   i386|x86_64|x32)
7523     disas_config "I386"
7524   ;;
7525   lm32)
7526     disas_config "LM32"
7527   ;;
7528   m68k)
7529     disas_config "M68K"
7530   ;;
7531   microblaze*)
7532     disas_config "MICROBLAZE"
7533   ;;
7534   mips*)
7535     disas_config "MIPS"
7536     if test -n "${cxx}"; then
7537       disas_config "NANOMIPS"
7538     fi
7539   ;;
7540   moxie*)
7541     disas_config "MOXIE"
7542   ;;
7543   nios2)
7544     disas_config "NIOS2"
7545   ;;
7546   or1k)
7547     disas_config "OPENRISC"
7548   ;;
7549   ppc*)
7550     disas_config "PPC"
7551   ;;
7552   riscv*)
7553     disas_config "RISCV"
7554   ;;
7555   s390*)
7556     disas_config "S390"
7557   ;;
7558   sh4)
7559     disas_config "SH4"
7560   ;;
7561   sparc*)
7562     disas_config "SPARC"
7563   ;;
7564   xtensa*)
7565     disas_config "XTENSA"
7566   ;;
7567   esac
7568 done
7569 if test "$tcg_interpreter" = "yes" ; then
7570   disas_config "TCI"
7571 fi
7572
7573 case "$ARCH" in
7574 alpha)
7575   # Ensure there's only a single GP
7576   cflags="-msmall-data $cflags"
7577 ;;
7578 esac
7579
7580 if test "$gprof" = "yes" ; then
7581   echo "TARGET_GPROF=y" >> $config_target_mak
7582   if test "$target_linux_user" = "yes" ; then
7583     cflags="-p $cflags"
7584     ldflags="-p $ldflags"
7585   fi
7586   if test "$target_softmmu" = "yes" ; then
7587     ldflags="-p $ldflags"
7588     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7589   fi
7590 fi
7591
7592 if test "$target_linux_user" = "yes" || test "$target_bsd_user" = "yes" ; then
7593   ldflags="$ldflags $textseg_ldflags"
7594 fi
7595
7596 # Newer kernels on s390 check for an S390_PGSTE program header and
7597 # enable the pgste page table extensions in that case. This makes
7598 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7599 # header if
7600 #  - we build on s390x
7601 #  - we build the system emulation for s390x (qemu-system-s390x)
7602 #  - KVM is enabled
7603 #  - the linker supports --s390-pgste
7604 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
7605         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
7606     if ld_has --s390-pgste ; then
7607         ldflags="-Wl,--s390-pgste $ldflags"
7608     fi
7609 fi
7610
7611 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7612 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7613
7614 done # for target in $targets
7615
7616 if test -n "$enabled_cross_compilers"; then
7617     echo
7618     echo "NOTE: cross-compilers enabled: $enabled_cross_compilers"
7619 fi
7620
7621 if [ "$fdt" = "git" ]; then
7622   echo "config-host.h: subdir-dtc" >> $config_host_mak
7623 fi
7624 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7625   echo "config-host.h: subdir-capstone" >> $config_host_mak
7626 fi
7627 if test -n "$LIBCAPSTONE"; then
7628   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7629 fi
7630
7631 if test "$numa" = "yes"; then
7632   echo "CONFIG_NUMA=y" >> $config_host_mak
7633 fi
7634
7635 if test "$ccache_cpp2" = "yes"; then
7636   echo "export CCACHE_CPP2=y" >> $config_host_mak
7637 fi
7638
7639 # If we're using a separate build tree, set it up now.
7640 # DIRS are directories which we simply mkdir in the build tree;
7641 # LINKS are things to symlink back into the source tree
7642 # (these can be both files and directories).
7643 # Caution: do not add files or directories here using wildcards. This
7644 # will result in problems later if a new file matching the wildcard is
7645 # added to the source tree -- nothing will cause configure to be rerun
7646 # so the build tree will be missing the link back to the new file, and
7647 # tests might fail. Prefer to keep the relevant files in their own
7648 # directory and symlink the directory instead.
7649 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests tests/vm"
7650 DIRS="$DIRS tests/fp tests/qgraph"
7651 DIRS="$DIRS docs docs/interop fsdev scsi"
7652 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
7653 DIRS="$DIRS roms/seabios roms/vgabios"
7654 LINKS="Makefile tests/tcg/Makefile qdict-test-data.txt"
7655 LINKS="$LINKS tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
7656 LINKS="$LINKS tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
7657 LINKS="$LINKS tests/fp/Makefile"
7658 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
7659 LINKS="$LINKS pc-bios/spapr-rtas/Makefile"
7660 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
7661 LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
7662 LINKS="$LINKS pc-bios/qemu-icon.bmp"
7663 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
7664 LINKS="$LINKS tests/acceptance tests/data"
7665 LINKS="$LINKS tests/qemu-iotests/check"
7666 for bios_file in \
7667     $source_path/pc-bios/*.bin \
7668     $source_path/pc-bios/*.lid \
7669     $source_path/pc-bios/*.aml \
7670     $source_path/pc-bios/*.rom \
7671     $source_path/pc-bios/*.dtb \
7672     $source_path/pc-bios/*.img \
7673     $source_path/pc-bios/openbios-* \
7674     $source_path/pc-bios/u-boot.* \
7675     $source_path/pc-bios/palcode-*
7676 do
7677     LINKS="$LINKS pc-bios/$(basename $bios_file)"
7678 done
7679 mkdir -p $DIRS
7680 for f in $LINKS ; do
7681     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
7682         symlink "$source_path/$f" "$f"
7683     fi
7684 done
7685
7686 # temporary config to build submodules
7687 for rom in seabios vgabios ; do
7688     config_mak=roms/$rom/config.mak
7689     echo "# Automatically generated by configure - do not modify" > $config_mak
7690     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7691     echo "AS=$as" >> $config_mak
7692     echo "CCAS=$ccas" >> $config_mak
7693     echo "CC=$cc" >> $config_mak
7694     echo "BCC=bcc" >> $config_mak
7695     echo "CPP=$cpp" >> $config_mak
7696     echo "OBJCOPY=objcopy" >> $config_mak
7697     echo "IASL=$iasl" >> $config_mak
7698     echo "LD=$ld" >> $config_mak
7699     echo "RANLIB=$ranlib" >> $config_mak
7700 done
7701
7702 # set up qemu-iotests in this build directory
7703 iotests_common_env="tests/qemu-iotests/common.env"
7704
7705 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7706 echo >> "$iotests_common_env"
7707 echo "export PYTHON='$python'" >> "$iotests_common_env"
7708
7709 # Save the configure command line for later reuse.
7710 cat <<EOD >config.status
7711 #!/bin/sh
7712 # Generated by configure.
7713 # Run this file to recreate the current configuration.
7714 # Compiler output produced by configure, useful for debugging
7715 # configure, is in config.log if it exists.
7716 EOD
7717
7718 preserve_env() {
7719     envname=$1
7720
7721     eval envval=\$$envname
7722
7723     if test -n "$envval"
7724     then
7725         echo "$envname='$envval'" >> config.status
7726         echo "export $envname" >> config.status
7727     else
7728         echo "unset $envname" >> config.status
7729     fi
7730 }
7731
7732 # Preserve various env variables that influence what
7733 # features/build target configure will detect
7734 preserve_env AR
7735 preserve_env AS
7736 preserve_env CC
7737 preserve_env CPP
7738 preserve_env CXX
7739 preserve_env INSTALL
7740 preserve_env LD
7741 preserve_env LD_LIBRARY_PATH
7742 preserve_env LIBTOOL
7743 preserve_env MAKE
7744 preserve_env NM
7745 preserve_env OBJCOPY
7746 preserve_env PATH
7747 preserve_env PKG_CONFIG
7748 preserve_env PKG_CONFIG_LIBDIR
7749 preserve_env PKG_CONFIG_PATH
7750 preserve_env PYTHON
7751 preserve_env SDL_CONFIG
7752 preserve_env SDL2_CONFIG
7753 preserve_env SMBD
7754 preserve_env STRIP
7755 preserve_env WINDRES
7756
7757 printf "exec" >>config.status
7758 printf " '%s'" "$0" "$@" >>config.status
7759 echo ' "$@"' >>config.status
7760 chmod +x config.status
7761
7762 rm -r "$TMPDIR1"
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