xref: /openbmc/qemu/configure (revision 7cc25f6c)
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.
8CLICOLOR_FORCE= GREP_OPTIONS=
9unset CLICOLOR_FORCE GREP_OPTIONS
10
11# Don't allow CCACHE, if present, to use cached results of compile tests!
12export CCACHE_RECACHE=yes
13
14# make source path absolute
15source_path=$(cd "$(dirname -- "$0")"; pwd)
16
17if test "$PWD" = "$source_path"
18then
19    echo "Using './build' as the directory for build output"
20
21    MARKER=build/auto-created-by-configure
22
23    if test -e build
24    then
25        if test -f $MARKER
26        then
27           rm -rf build
28        else
29            echo "ERROR: ./build dir already exists and was not previously created by configure"
30            exit 1
31        fi
32    fi
33
34    mkdir build
35    touch $MARKER
36
37    cat > GNUmakefile <<'EOF'
38# This file is auto-generated by configure to support in-source tree
39# 'make' command invocation
40
41ifeq ($(MAKECMDGOALS),)
42recurse: all
43endif
44
45.NOTPARALLEL: %
46%: force
47	@echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
48	@$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
49	@if test "$(MAKECMDGOALS)" = "distclean" && \
50	    test -e build/auto-created-by-configure ; \
51	then \
52	    rm -rf build GNUmakefile ; \
53	fi
54force: ;
55.PHONY: force
56GNUmakefile: ;
57
58EOF
59    cd build
60    exec $source_path/configure "$@"
61fi
62
63# Temporary directory used for files created while
64# configure runs. Since it is in the build directory
65# we can safely blow away any previous version of it
66# (and we need not jump through hoops to try to delete
67# it when configure exits.)
68TMPDIR1="config-temp"
69rm -rf "${TMPDIR1}"
70mkdir -p "${TMPDIR1}"
71if [ $? -ne 0 ]; then
72    echo "ERROR: failed to create temporary directory"
73    exit 1
74fi
75
76TMPB="qemu-conf"
77TMPC="${TMPDIR1}/${TMPB}.c"
78TMPO="${TMPDIR1}/${TMPB}.o"
79TMPCXX="${TMPDIR1}/${TMPB}.cxx"
80TMPE="${TMPDIR1}/${TMPB}.exe"
81TMPTXT="${TMPDIR1}/${TMPB}.txt"
82
83rm -f config.log
84
85# Print a helpful header at the top of config.log
86echo "# QEMU configure log $(date)" >> config.log
87printf "# Configured with:" >> config.log
88printf " '%s'" "$0" "$@" >> config.log
89echo >> config.log
90echo "#" >> config.log
91
92print_error() {
93    (echo
94    echo "ERROR: $1"
95    while test -n "$2"; do
96        echo "       $2"
97        shift
98    done
99    echo) >&2
100}
101
102error_exit() {
103    print_error "$@"
104    exit 1
105}
106
107do_compiler() {
108    # Run the compiler, capturing its output to the log. First argument
109    # is compiler binary to execute.
110    local compiler="$1"
111    shift
112    if test -n "$BASH_VERSION"; then eval '
113        echo >>config.log "
114funcs: ${FUNCNAME[*]}
115lines: ${BASH_LINENO[*]}"
116    '; fi
117    echo $compiler "$@" >> config.log
118    $compiler "$@" >> config.log 2>&1 || return $?
119    # Test passed. If this is an --enable-werror build, rerun
120    # the test with -Werror and bail out if it fails. This
121    # makes warning-generating-errors in configure test code
122    # obvious to developers.
123    if test "$werror" != "yes"; then
124        return 0
125    fi
126    # Don't bother rerunning the compile if we were already using -Werror
127    case "$*" in
128        *-Werror*)
129           return 0
130        ;;
131    esac
132    echo $compiler -Werror "$@" >> config.log
133    $compiler -Werror "$@" >> config.log 2>&1 && return $?
134    error_exit "configure test passed without -Werror but failed with -Werror." \
135        "This is probably a bug in the configure script. The failing command" \
136        "will be at the bottom of config.log." \
137        "You can run configure with --disable-werror to bypass this check."
138}
139
140do_cc() {
141    do_compiler "$cc" "$@"
142}
143
144do_cxx() {
145    do_compiler "$cxx" "$@"
146}
147
148# Append $2 to the variable named $1, with space separation
149add_to() {
150    eval $1=\${$1:+\"\$$1 \"}\$2
151}
152
153update_cxxflags() {
154    # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
155    # options which some versions of GCC's C++ compiler complain about
156    # because they only make sense for C programs.
157    QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
158    CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu99/-std=gnu++11/)
159    for arg in $QEMU_CFLAGS; do
160        case $arg in
161            -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
162            -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
163                ;;
164            *)
165                QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
166                ;;
167        esac
168    done
169}
170
171compile_object() {
172  local_cflags="$1"
173  do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
174}
175
176compile_prog() {
177  local_cflags="$1"
178  local_ldflags="$2"
179  do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \
180      $LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags
181}
182
183# symbolically link $1 to $2.  Portable version of "ln -sf".
184symlink() {
185  rm -rf "$2"
186  mkdir -p "$(dirname "$2")"
187  ln -s "$1" "$2"
188}
189
190# check whether a command is available to this shell (may be either an
191# executable or a builtin)
192has() {
193    type "$1" >/dev/null 2>&1
194}
195
196version_ge () {
197    local_ver1=`echo $1 | tr . ' '`
198    local_ver2=`echo $2 | tr . ' '`
199    while true; do
200        set x $local_ver1
201        local_first=${2-0}
202        # 'shift 2' if $2 is set, or 'shift' if $2 is not set
203        shift ${2:+2}
204        local_ver1=$*
205        set x $local_ver2
206        # the second argument finished, the first must be greater or equal
207        test $# = 1 && return 0
208        test $local_first -lt $2 && return 1
209        test $local_first -gt $2 && return 0
210        shift ${2:+2}
211        local_ver2=$*
212    done
213}
214
215have_backend () {
216    echo "$trace_backends" | grep "$1" >/dev/null
217}
218
219glob() {
220    eval test -z '"${1#'"$2"'}"'
221}
222
223ld_has() {
224    $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
225}
226
227if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
228then
229  error_exit "main directory cannot contain spaces nor colons"
230fi
231
232# default parameters
233cpu=""
234iasl="iasl"
235interp_prefix="/usr/gnemul/qemu-%M"
236static="no"
237cross_prefix=""
238audio_drv_list=""
239block_drv_rw_whitelist=""
240block_drv_ro_whitelist=""
241host_cc="cc"
242audio_win_int=""
243libs_qga=""
244debug_info="yes"
245stack_protector=""
246safe_stack=""
247use_containers="yes"
248gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
249
250if test -e "$source_path/.git"
251then
252    git_update=yes
253    git_submodules="ui/keycodemapdb"
254    git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
255    git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
256else
257    git_update=no
258    git_submodules=""
259
260    if ! test -f "$source_path/ui/keycodemapdb/README"
261    then
262        echo
263        echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
264        echo
265        echo "This is not a GIT checkout but module content appears to"
266        echo "be missing. Do not use 'git archive' or GitHub download links"
267        echo "to acquire QEMU source archives. Non-GIT builds are only"
268        echo "supported with source archives linked from:"
269        echo
270        echo "  https://www.qemu.org/download/#source"
271        echo
272        echo "Developers working with GIT can use scripts/archive-source.sh"
273        echo "if they need to create valid source archives."
274        echo
275        exit 1
276    fi
277fi
278git="git"
279
280# Don't accept a target_list environment variable.
281unset target_list
282unset target_list_exclude
283
284# Default value for a variable defining feature "foo".
285#  * foo="no"  feature will only be used if --enable-foo arg is given
286#  * foo=""    feature will be searched for, and if found, will be used
287#              unless --disable-foo is given
288#  * foo="yes" this value will only be set by --enable-foo flag.
289#              feature will searched for,
290#              if not found, configure exits with error
291#
292# Always add --enable-foo and --disable-foo command line args.
293# Distributions want to ensure that several features are compiled in, and it
294# is impossible without a --enable-foo that exits if a feature is not found.
295
296brlapi=""
297curl=""
298iconv="auto"
299curses="auto"
300docs="auto"
301fdt="auto"
302netmap="no"
303sdl="auto"
304sdl_image="auto"
305virtiofsd="auto"
306virtfs=""
307libudev="auto"
308mpath="auto"
309vnc="enabled"
310sparse="auto"
311vde=""
312vnc_sasl="auto"
313vnc_jpeg="auto"
314vnc_png="auto"
315xkbcommon="auto"
316xen=""
317xen_ctrl_version=""
318xen_pci_passthrough="auto"
319linux_aio=""
320linux_io_uring=""
321cap_ng=""
322attr=""
323libattr=""
324xfs=""
325tcg="enabled"
326membarrier=""
327vhost_net=""
328vhost_crypto=""
329vhost_scsi=""
330vhost_vsock=""
331vhost_user="no"
332vhost_user_blk_server="auto"
333vhost_user_fs=""
334kvm="auto"
335hax="auto"
336hvf="auto"
337whpx="auto"
338rdma=""
339pvrdma=""
340gprof="no"
341debug_tcg="no"
342debug="no"
343sanitizers="no"
344tsan="no"
345fortify_source=""
346strip_opt="yes"
347tcg_interpreter="no"
348bigendian="no"
349mingw32="no"
350gcov="no"
351EXESUF=""
352HOST_DSOSUF=".so"
353modules="no"
354module_upgrades="no"
355prefix="/usr/local"
356qemu_suffix="qemu"
357slirp="auto"
358oss_lib=""
359bsd="no"
360linux="no"
361solaris="no"
362profiler="no"
363cocoa="auto"
364softmmu="yes"
365linux_user="no"
366bsd_user="no"
367blobs="true"
368pkgversion=""
369pie=""
370qom_cast_debug="yes"
371trace_backends="log"
372trace_file="trace"
373spice=""
374rbd=""
375smartcard=""
376u2f="auto"
377libusb=""
378usb_redir=""
379opengl=""
380opengl_dmabuf="no"
381cpuid_h="no"
382avx2_opt=""
383capstone="auto"
384lzo=""
385snappy=""
386bzip2=""
387lzfse=""
388zstd=""
389guest_agent=""
390guest_agent_with_vss="no"
391guest_agent_ntddscsi="no"
392guest_agent_msi=""
393vss_win32_sdk=""
394win_sdk="no"
395want_tools=""
396libiscsi=""
397libnfs=""
398coroutine=""
399coroutine_pool=""
400debug_stack_usage="no"
401crypto_afalg="no"
402seccomp=""
403glusterfs=""
404glusterfs_xlator_opt="no"
405glusterfs_discard="no"
406glusterfs_fallocate="no"
407glusterfs_zerofill="no"
408glusterfs_ftruncate_has_stat="no"
409glusterfs_iocb_has_stat="no"
410gtk=""
411gtk_gl="no"
412tls_priority="NORMAL"
413gnutls=""
414nettle=""
415nettle_xts="no"
416gcrypt=""
417gcrypt_hmac="no"
418gcrypt_xts="no"
419qemu_private_xts="yes"
420auth_pam=""
421vte=""
422virglrenderer=""
423tpm=""
424libssh=""
425live_block_migration="yes"
426numa=""
427tcmalloc="no"
428jemalloc="no"
429replication="yes"
430bochs="yes"
431cloop="yes"
432dmg="yes"
433qcow1="yes"
434vdi="yes"
435vvfat="yes"
436qed="yes"
437parallels="yes"
438sheepdog="no"
439libxml2=""
440debug_mutex="no"
441libpmem=""
442default_devices="yes"
443plugins="no"
444fuzzing="no"
445rng_none="no"
446secret_keyring=""
447libdaxctl=""
448meson=""
449ninja=""
450skip_meson=no
451gettext=""
452fuse="auto"
453fuse_lseek="auto"
454
455bogus_os="no"
456malloc_trim="auto"
457
458# parse CC options first
459for opt do
460  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
461  case "$opt" in
462  --cross-prefix=*) cross_prefix="$optarg"
463  ;;
464  --cc=*) CC="$optarg"
465  ;;
466  --cxx=*) CXX="$optarg"
467  ;;
468  --cpu=*) cpu="$optarg"
469  ;;
470  --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
471                    QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
472  ;;
473  --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
474  ;;
475  --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
476                     EXTRA_LDFLAGS="$optarg"
477  ;;
478  --enable-debug-info) debug_info="yes"
479  ;;
480  --disable-debug-info) debug_info="no"
481  ;;
482  --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
483  ;;
484  --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
485                      eval "cross_cc_cflags_${cc_arch}=\$optarg"
486                      cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
487  ;;
488  --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
489                cc_archs="$cc_archs $cc_arch"
490                eval "cross_cc_${cc_arch}=\$optarg"
491                cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
492  ;;
493  esac
494done
495# OS specific
496# Using uname is really, really broken.  Once we have the right set of checks
497# we can eliminate its usage altogether.
498
499# Preferred compiler:
500#  ${CC} (if set)
501#  ${cross_prefix}gcc (if cross-prefix specified)
502#  system compiler
503if test -z "${CC}${cross_prefix}"; then
504  cc="$host_cc"
505else
506  cc="${CC-${cross_prefix}gcc}"
507fi
508
509if test -z "${CXX}${cross_prefix}"; then
510  cxx="c++"
511else
512  cxx="${CXX-${cross_prefix}g++}"
513fi
514
515ar="${AR-${cross_prefix}ar}"
516as="${AS-${cross_prefix}as}"
517ccas="${CCAS-$cc}"
518cpp="${CPP-$cc -E}"
519objcopy="${OBJCOPY-${cross_prefix}objcopy}"
520ld="${LD-${cross_prefix}ld}"
521ranlib="${RANLIB-${cross_prefix}ranlib}"
522nm="${NM-${cross_prefix}nm}"
523strip="${STRIP-${cross_prefix}strip}"
524windres="${WINDRES-${cross_prefix}windres}"
525pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
526query_pkg_config() {
527    "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
528}
529pkg_config=query_pkg_config
530sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
531
532# If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
533ARFLAGS="${ARFLAGS-rv}"
534
535# default flags for all hosts
536# We use -fwrapv to tell the compiler that we require a C dialect where
537# left shift of signed integers is well defined and has the expected
538# 2s-complement style results. (Both clang and gcc agree that it
539# provides these semantics.)
540QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
541QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
542QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
543QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
544
545# Flags that are needed during configure but later taken care of by Meson
546CONFIGURE_CFLAGS="-std=gnu99 -Wall"
547CONFIGURE_LDFLAGS=
548
549
550check_define() {
551cat > $TMPC <<EOF
552#if !defined($1)
553#error $1 not defined
554#endif
555int main(void) { return 0; }
556EOF
557  compile_object
558}
559
560check_include() {
561cat > $TMPC <<EOF
562#include <$1>
563int main(void) { return 0; }
564EOF
565  compile_object
566}
567
568write_c_skeleton() {
569    cat > $TMPC <<EOF
570int main(void) { return 0; }
571EOF
572}
573
574write_c_fuzzer_skeleton() {
575    cat > $TMPC <<EOF
576#include <stdint.h>
577#include <sys/types.h>
578int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
579int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
580EOF
581}
582
583if check_define __linux__ ; then
584  targetos="Linux"
585elif check_define _WIN32 ; then
586  targetos='MINGW32'
587elif check_define __OpenBSD__ ; then
588  targetos='OpenBSD'
589elif check_define __sun__ ; then
590  targetos='SunOS'
591elif check_define __HAIKU__ ; then
592  targetos='Haiku'
593elif check_define __FreeBSD__ ; then
594  targetos='FreeBSD'
595elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
596  targetos='GNU/kFreeBSD'
597elif check_define __DragonFly__ ; then
598  targetos='DragonFly'
599elif check_define __NetBSD__; then
600  targetos='NetBSD'
601elif check_define __APPLE__; then
602  targetos='Darwin'
603else
604  # This is a fatal error, but don't report it yet, because we
605  # might be going to just print the --help text, or it might
606  # be the result of a missing compiler.
607  targetos='bogus'
608  bogus_os='yes'
609fi
610
611# Some host OSes need non-standard checks for which CPU to use.
612# Note that these checks are broken for cross-compilation: if you're
613# cross-compiling to one of these OSes then you'll need to specify
614# the correct CPU with the --cpu option.
615case $targetos in
616Darwin)
617  # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
618  # run 64-bit userspace code.
619  # If the user didn't specify a CPU explicitly and the kernel says this is
620  # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
621  if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
622    cpu="x86_64"
623  fi
624  HOST_DSOSUF=".dylib"
625  ;;
626SunOS)
627  # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
628  if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
629    cpu="x86_64"
630  fi
631esac
632
633if test ! -z "$cpu" ; then
634  # command line argument
635  :
636elif check_define __i386__ ; then
637  cpu="i386"
638elif check_define __x86_64__ ; then
639  if check_define __ILP32__ ; then
640    cpu="x32"
641  else
642    cpu="x86_64"
643  fi
644elif check_define __sparc__ ; then
645  if check_define __arch64__ ; then
646    cpu="sparc64"
647  else
648    cpu="sparc"
649  fi
650elif check_define _ARCH_PPC ; then
651  if check_define _ARCH_PPC64 ; then
652    if check_define _LITTLE_ENDIAN ; then
653      cpu="ppc64le"
654    else
655      cpu="ppc64"
656    fi
657  else
658    cpu="ppc"
659  fi
660elif check_define __mips__ ; then
661  cpu="mips"
662elif check_define __s390__ ; then
663  if check_define __s390x__ ; then
664    cpu="s390x"
665  else
666    cpu="s390"
667  fi
668elif check_define __riscv ; then
669  if check_define _LP64 ; then
670    cpu="riscv64"
671  else
672    cpu="riscv32"
673  fi
674elif check_define __arm__ ; then
675  cpu="arm"
676elif check_define __aarch64__ ; then
677  cpu="aarch64"
678else
679  cpu=$(uname -m)
680fi
681
682ARCH=
683# Normalise host CPU name and set ARCH.
684# Note that this case should only have supported host CPUs, not guests.
685case "$cpu" in
686  ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
687  ;;
688  ppc64le)
689    ARCH="ppc64"
690  ;;
691  i386|i486|i586|i686|i86pc|BePC)
692    cpu="i386"
693  ;;
694  x86_64|amd64)
695    cpu="x86_64"
696  ;;
697  armv*b|armv*l|arm)
698    cpu="arm"
699  ;;
700  aarch64)
701    cpu="aarch64"
702  ;;
703  mips*)
704    cpu="mips"
705  ;;
706  sparc|sun4[cdmuv])
707    cpu="sparc"
708  ;;
709  *)
710    # This will result in either an error or falling back to TCI later
711    ARCH=unknown
712  ;;
713esac
714if test -z "$ARCH"; then
715  ARCH="$cpu"
716fi
717
718# OS specific
719
720case $targetos in
721MINGW32*)
722  mingw32="yes"
723  audio_possible_drivers="dsound sdl"
724  if check_include dsound.h; then
725    audio_drv_list="dsound"
726  else
727    audio_drv_list=""
728  fi
729  supported_os="yes"
730  pie="no"
731;;
732GNU/kFreeBSD)
733  bsd="yes"
734  audio_drv_list="oss try-sdl"
735  audio_possible_drivers="oss sdl pa"
736;;
737FreeBSD)
738  bsd="yes"
739  make="${MAKE-gmake}"
740  audio_drv_list="oss try-sdl"
741  audio_possible_drivers="oss sdl pa"
742  # needed for kinfo_getvmmap(3) in libutil.h
743  netmap=""  # enable netmap autodetect
744;;
745DragonFly)
746  bsd="yes"
747  make="${MAKE-gmake}"
748  audio_drv_list="oss try-sdl"
749  audio_possible_drivers="oss sdl pa"
750;;
751NetBSD)
752  bsd="yes"
753  make="${MAKE-gmake}"
754  audio_drv_list="oss try-sdl"
755  audio_possible_drivers="oss sdl"
756  oss_lib="-lossaudio"
757;;
758OpenBSD)
759  bsd="yes"
760  make="${MAKE-gmake}"
761  audio_drv_list="try-sdl"
762  audio_possible_drivers="sdl"
763;;
764Darwin)
765  bsd="yes"
766  darwin="yes"
767  if [ "$cpu" = "x86_64" ] ; then
768    QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
769    QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
770  fi
771  cocoa="enabled"
772  audio_drv_list="coreaudio try-sdl"
773  audio_possible_drivers="coreaudio sdl"
774  QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
775  # Disable attempts to use ObjectiveC features in os/object.h since they
776  # won't work when we're compiling with gcc as a C compiler.
777  QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
778;;
779SunOS)
780  solaris="yes"
781  make="${MAKE-gmake}"
782  smbd="${SMBD-/usr/sfw/sbin/smbd}"
783  if test -f /usr/include/sys/soundcard.h ; then
784    audio_drv_list="oss try-sdl"
785  fi
786  audio_possible_drivers="oss sdl"
787# needed for CMSG_ macros in sys/socket.h
788  QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
789# needed for TIOCWIN* defines in termios.h
790  QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
791;;
792Haiku)
793  haiku="yes"
794  QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE $QEMU_CFLAGS"
795;;
796Linux)
797  audio_drv_list="try-pa oss"
798  audio_possible_drivers="oss alsa sdl pa"
799  linux="yes"
800  linux_user="yes"
801  vhost_user="yes"
802;;
803esac
804
805if [ "$bsd" = "yes" ] ; then
806  if [ "$darwin" != "yes" ] ; then
807    bsd_user="yes"
808  fi
809fi
810
811: ${make=${MAKE-make}}
812
813# We prefer python 3.x. A bare 'python' is traditionally
814# python 2.x, but some distros have it as python 3.x, so
815# we check that too
816python=
817explicit_python=no
818for binary in "${PYTHON-python3}" python
819do
820    if has "$binary"
821    then
822        python=$(command -v "$binary")
823        break
824    fi
825done
826
827
828# Check for ancillary tools used in testing
829genisoimage=
830for binary in genisoimage mkisofs
831do
832    if has $binary
833    then
834        genisoimage=$(command -v "$binary")
835        break
836    fi
837done
838
839: ${smbd=${SMBD-/usr/sbin/smbd}}
840
841# Default objcc to clang if available, otherwise use CC
842if has clang; then
843  objcc=clang
844else
845  objcc="$cc"
846fi
847
848if test "$mingw32" = "yes" ; then
849  EXESUF=".exe"
850  HOST_DSOSUF=".dll"
851  # MinGW needs -mthreads for TLS and macro _MT.
852  CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
853  write_c_skeleton;
854  prefix="/qemu"
855  qemu_suffix=""
856  libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
857fi
858
859werror=""
860
861for opt do
862  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
863  case "$opt" in
864  --help|-h) show_help=yes
865  ;;
866  --version|-V) exec cat $source_path/VERSION
867  ;;
868  --prefix=*) prefix="$optarg"
869  ;;
870  --interp-prefix=*) interp_prefix="$optarg"
871  ;;
872  --cross-prefix=*)
873  ;;
874  --cc=*)
875  ;;
876  --host-cc=*) host_cc="$optarg"
877  ;;
878  --cxx=*)
879  ;;
880  --iasl=*) iasl="$optarg"
881  ;;
882  --objcc=*) objcc="$optarg"
883  ;;
884  --make=*) make="$optarg"
885  ;;
886  --install=*)
887  ;;
888  --python=*) python="$optarg" ; explicit_python=yes
889  ;;
890  --sphinx-build=*) sphinx_build="$optarg"
891  ;;
892  --skip-meson) skip_meson=yes
893  ;;
894  --meson=*) meson="$optarg"
895  ;;
896  --ninja=*) ninja="$optarg"
897  ;;
898  --smbd=*) smbd="$optarg"
899  ;;
900  --extra-cflags=*)
901  ;;
902  --extra-cxxflags=*)
903  ;;
904  --extra-ldflags=*)
905  ;;
906  --enable-debug-info)
907  ;;
908  --disable-debug-info)
909  ;;
910  --cross-cc-*)
911  ;;
912  --enable-modules)
913      modules="yes"
914  ;;
915  --disable-modules)
916      modules="no"
917  ;;
918  --disable-module-upgrades) module_upgrades="no"
919  ;;
920  --enable-module-upgrades) module_upgrades="yes"
921  ;;
922  --cpu=*)
923  ;;
924  --target-list=*) target_list="$optarg"
925                   if test "$target_list_exclude"; then
926                       error_exit "Can't mix --target-list with --target-list-exclude"
927                   fi
928  ;;
929  --target-list-exclude=*) target_list_exclude="$optarg"
930                   if test "$target_list"; then
931                       error_exit "Can't mix --target-list-exclude with --target-list"
932                   fi
933  ;;
934  --enable-trace-backends=*) trace_backends="$optarg"
935  ;;
936  # XXX: backwards compatibility
937  --enable-trace-backend=*) trace_backends="$optarg"
938  ;;
939  --with-trace-file=*) trace_file="$optarg"
940  ;;
941  --with-default-devices) default_devices="yes"
942  ;;
943  --without-default-devices) default_devices="no"
944  ;;
945  --enable-gprof) gprof="yes"
946  ;;
947  --enable-gcov) gcov="yes"
948  ;;
949  --static)
950    static="yes"
951    QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
952  ;;
953  --mandir=*) mandir="$optarg"
954  ;;
955  --bindir=*) bindir="$optarg"
956  ;;
957  --libdir=*) libdir="$optarg"
958  ;;
959  --libexecdir=*) libexecdir="$optarg"
960  ;;
961  --includedir=*) includedir="$optarg"
962  ;;
963  --datadir=*) datadir="$optarg"
964  ;;
965  --with-suffix=*) qemu_suffix="$optarg"
966  ;;
967  --docdir=*) docdir="$optarg"
968  ;;
969  --localedir=*) localedir="$optarg"
970  ;;
971  --sysconfdir=*) sysconfdir="$optarg"
972  ;;
973  --localstatedir=*) local_statedir="$optarg"
974  ;;
975  --firmwarepath=*) firmwarepath="$optarg"
976  ;;
977  --host=*|--build=*|\
978  --disable-dependency-tracking|\
979  --sbindir=*|--sharedstatedir=*|\
980  --oldincludedir=*|--datarootdir=*|--infodir=*|\
981  --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
982    # These switches are silently ignored, for compatibility with
983    # autoconf-generated configure scripts. This allows QEMU's
984    # configure to be used by RPM and similar macros that set
985    # lots of directory switches by default.
986  ;;
987  --disable-sdl) sdl="disabled"
988  ;;
989  --enable-sdl) sdl="enabled"
990  ;;
991  --disable-sdl-image) sdl_image="disabled"
992  ;;
993  --enable-sdl-image) sdl_image="enabled"
994  ;;
995  --disable-qom-cast-debug) qom_cast_debug="no"
996  ;;
997  --enable-qom-cast-debug) qom_cast_debug="yes"
998  ;;
999  --disable-virtfs) virtfs="no"
1000  ;;
1001  --enable-virtfs) virtfs="yes"
1002  ;;
1003  --disable-libudev) libudev="disabled"
1004  ;;
1005  --enable-libudev) libudev="enabled"
1006  ;;
1007  --disable-virtiofsd) virtiofsd="disabled"
1008  ;;
1009  --enable-virtiofsd) virtiofsd="enabled"
1010  ;;
1011  --disable-mpath) mpath="disabled"
1012  ;;
1013  --enable-mpath) mpath="enabled"
1014  ;;
1015  --disable-vnc) vnc="disabled"
1016  ;;
1017  --enable-vnc) vnc="enabled"
1018  ;;
1019  --disable-gettext) gettext="false"
1020  ;;
1021  --enable-gettext) gettext="true"
1022  ;;
1023  --oss-lib=*) oss_lib="$optarg"
1024  ;;
1025  --audio-drv-list=*) audio_drv_list="$optarg"
1026  ;;
1027  --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1028  ;;
1029  --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1030  ;;
1031  --enable-debug-tcg) debug_tcg="yes"
1032  ;;
1033  --disable-debug-tcg) debug_tcg="no"
1034  ;;
1035  --enable-debug)
1036      # Enable debugging options that aren't excessively noisy
1037      debug_tcg="yes"
1038      debug_mutex="yes"
1039      debug="yes"
1040      strip_opt="no"
1041      fortify_source="no"
1042  ;;
1043  --enable-sanitizers) sanitizers="yes"
1044  ;;
1045  --disable-sanitizers) sanitizers="no"
1046  ;;
1047  --enable-tsan) tsan="yes"
1048  ;;
1049  --disable-tsan) tsan="no"
1050  ;;
1051  --enable-sparse) sparse="enabled"
1052  ;;
1053  --disable-sparse) sparse="disabled"
1054  ;;
1055  --disable-strip) strip_opt="no"
1056  ;;
1057  --disable-vnc-sasl) vnc_sasl="disabled"
1058  ;;
1059  --enable-vnc-sasl) vnc_sasl="enabled"
1060  ;;
1061  --disable-vnc-jpeg) vnc_jpeg="disabled"
1062  ;;
1063  --enable-vnc-jpeg) vnc_jpeg="enabled"
1064  ;;
1065  --disable-vnc-png) vnc_png="disabled"
1066  ;;
1067  --enable-vnc-png) vnc_png="enabled"
1068  ;;
1069  --disable-slirp) slirp="disabled"
1070  ;;
1071  --enable-slirp=git) slirp="internal"
1072  ;;
1073  --enable-slirp=system) slirp="system"
1074  ;;
1075  --disable-vde) vde="no"
1076  ;;
1077  --enable-vde) vde="yes"
1078  ;;
1079  --disable-netmap) netmap="no"
1080  ;;
1081  --enable-netmap) netmap="yes"
1082  ;;
1083  --disable-xen) xen="disabled"
1084  ;;
1085  --enable-xen) xen="enabled"
1086  ;;
1087  --disable-xen-pci-passthrough) xen_pci_passthrough="disabled"
1088  ;;
1089  --enable-xen-pci-passthrough) xen_pci_passthrough="enabled"
1090  ;;
1091  --disable-brlapi) brlapi="no"
1092  ;;
1093  --enable-brlapi) brlapi="yes"
1094  ;;
1095  --disable-kvm) kvm="disabled"
1096  ;;
1097  --enable-kvm) kvm="enabled"
1098  ;;
1099  --disable-hax) hax="disabled"
1100  ;;
1101  --enable-hax) hax="enabled"
1102  ;;
1103  --disable-hvf) hvf="disabled"
1104  ;;
1105  --enable-hvf) hvf="enabled"
1106  ;;
1107  --disable-whpx) whpx="disabled"
1108  ;;
1109  --enable-whpx) whpx="enabled"
1110  ;;
1111  --disable-tcg-interpreter) tcg_interpreter="no"
1112  ;;
1113  --enable-tcg-interpreter) tcg_interpreter="yes"
1114  ;;
1115  --disable-cap-ng)  cap_ng="no"
1116  ;;
1117  --enable-cap-ng) cap_ng="yes"
1118  ;;
1119  --disable-tcg) tcg="disabled"
1120  ;;
1121  --enable-tcg) tcg="enabled"
1122  ;;
1123  --disable-malloc-trim) malloc_trim="disabled"
1124  ;;
1125  --enable-malloc-trim) malloc_trim="enabled"
1126  ;;
1127  --disable-spice) spice="no"
1128  ;;
1129  --enable-spice) spice="yes"
1130  ;;
1131  --disable-libiscsi) libiscsi="no"
1132  ;;
1133  --enable-libiscsi) libiscsi="yes"
1134  ;;
1135  --disable-libnfs) libnfs="no"
1136  ;;
1137  --enable-libnfs) libnfs="yes"
1138  ;;
1139  --enable-profiler) profiler="yes"
1140  ;;
1141  --disable-cocoa) cocoa="disabled"
1142  ;;
1143  --enable-cocoa)
1144      cocoa="enabled" ;
1145      audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1146  ;;
1147  --disable-system) softmmu="no"
1148  ;;
1149  --enable-system) softmmu="yes"
1150  ;;
1151  --disable-user)
1152      linux_user="no" ;
1153      bsd_user="no" ;
1154  ;;
1155  --enable-user) ;;
1156  --disable-linux-user) linux_user="no"
1157  ;;
1158  --enable-linux-user) linux_user="yes"
1159  ;;
1160  --disable-bsd-user) bsd_user="no"
1161  ;;
1162  --enable-bsd-user) bsd_user="yes"
1163  ;;
1164  --enable-pie) pie="yes"
1165  ;;
1166  --disable-pie) pie="no"
1167  ;;
1168  --enable-werror) werror="yes"
1169  ;;
1170  --disable-werror) werror="no"
1171  ;;
1172  --enable-stack-protector) stack_protector="yes"
1173  ;;
1174  --disable-stack-protector) stack_protector="no"
1175  ;;
1176  --enable-safe-stack) safe_stack="yes"
1177  ;;
1178  --disable-safe-stack) safe_stack="no"
1179  ;;
1180  --disable-curses) curses="disabled"
1181  ;;
1182  --enable-curses) curses="enabled"
1183  ;;
1184  --disable-iconv) iconv="disabled"
1185  ;;
1186  --enable-iconv) iconv="enabled"
1187  ;;
1188  --disable-curl) curl="no"
1189  ;;
1190  --enable-curl) curl="yes"
1191  ;;
1192  --disable-fdt) fdt="disabled"
1193  ;;
1194  --enable-fdt) fdt="enabled"
1195  ;;
1196  --enable-fdt=git) fdt="internal"
1197  ;;
1198  --enable-fdt=system) fdt="system"
1199  ;;
1200  --disable-linux-aio) linux_aio="no"
1201  ;;
1202  --enable-linux-aio) linux_aio="yes"
1203  ;;
1204  --disable-linux-io-uring) linux_io_uring="no"
1205  ;;
1206  --enable-linux-io-uring) linux_io_uring="yes"
1207  ;;
1208  --disable-attr) attr="no"
1209  ;;
1210  --enable-attr) attr="yes"
1211  ;;
1212  --disable-membarrier) membarrier="no"
1213  ;;
1214  --enable-membarrier) membarrier="yes"
1215  ;;
1216  --disable-blobs) blobs="false"
1217  ;;
1218  --with-pkgversion=*) pkgversion="$optarg"
1219  ;;
1220  --with-coroutine=*) coroutine="$optarg"
1221  ;;
1222  --disable-coroutine-pool) coroutine_pool="no"
1223  ;;
1224  --enable-coroutine-pool) coroutine_pool="yes"
1225  ;;
1226  --enable-debug-stack-usage) debug_stack_usage="yes"
1227  ;;
1228  --enable-crypto-afalg) crypto_afalg="yes"
1229  ;;
1230  --disable-crypto-afalg) crypto_afalg="no"
1231  ;;
1232  --disable-docs) docs="disabled"
1233  ;;
1234  --enable-docs) docs="enabled"
1235  ;;
1236  --disable-vhost-net) vhost_net="no"
1237  ;;
1238  --enable-vhost-net) vhost_net="yes"
1239  ;;
1240  --disable-vhost-crypto) vhost_crypto="no"
1241  ;;
1242  --enable-vhost-crypto) vhost_crypto="yes"
1243  ;;
1244  --disable-vhost-scsi) vhost_scsi="no"
1245  ;;
1246  --enable-vhost-scsi) vhost_scsi="yes"
1247  ;;
1248  --disable-vhost-vsock) vhost_vsock="no"
1249  ;;
1250  --enable-vhost-vsock) vhost_vsock="yes"
1251  ;;
1252  --disable-vhost-user-blk-server) vhost_user_blk_server="disabled"
1253  ;;
1254  --enable-vhost-user-blk-server) vhost_user_blk_server="enabled"
1255  ;;
1256  --disable-vhost-user-fs) vhost_user_fs="no"
1257  ;;
1258  --enable-vhost-user-fs) vhost_user_fs="yes"
1259  ;;
1260  --disable-opengl) opengl="no"
1261  ;;
1262  --enable-opengl) opengl="yes"
1263  ;;
1264  --disable-rbd) rbd="no"
1265  ;;
1266  --enable-rbd) rbd="yes"
1267  ;;
1268  --disable-xfsctl) xfs="no"
1269  ;;
1270  --enable-xfsctl) xfs="yes"
1271  ;;
1272  --disable-smartcard) smartcard="no"
1273  ;;
1274  --enable-smartcard) smartcard="yes"
1275  ;;
1276  --disable-u2f) u2f="disabled"
1277  ;;
1278  --enable-u2f) u2f="enabled"
1279  ;;
1280  --disable-libusb) libusb="no"
1281  ;;
1282  --enable-libusb) libusb="yes"
1283  ;;
1284  --disable-usb-redir) usb_redir="no"
1285  ;;
1286  --enable-usb-redir) usb_redir="yes"
1287  ;;
1288  --disable-zlib-test)
1289  ;;
1290  --disable-lzo) lzo="no"
1291  ;;
1292  --enable-lzo) lzo="yes"
1293  ;;
1294  --disable-snappy) snappy="no"
1295  ;;
1296  --enable-snappy) snappy="yes"
1297  ;;
1298  --disable-bzip2) bzip2="no"
1299  ;;
1300  --enable-bzip2) bzip2="yes"
1301  ;;
1302  --enable-lzfse) lzfse="yes"
1303  ;;
1304  --disable-lzfse) lzfse="no"
1305  ;;
1306  --disable-zstd) zstd="no"
1307  ;;
1308  --enable-zstd) zstd="yes"
1309  ;;
1310  --enable-guest-agent) guest_agent="yes"
1311  ;;
1312  --disable-guest-agent) guest_agent="no"
1313  ;;
1314  --enable-guest-agent-msi) guest_agent_msi="yes"
1315  ;;
1316  --disable-guest-agent-msi) guest_agent_msi="no"
1317  ;;
1318  --with-vss-sdk) vss_win32_sdk=""
1319  ;;
1320  --with-vss-sdk=*) vss_win32_sdk="$optarg"
1321  ;;
1322  --without-vss-sdk) vss_win32_sdk="no"
1323  ;;
1324  --with-win-sdk) win_sdk=""
1325  ;;
1326  --with-win-sdk=*) win_sdk="$optarg"
1327  ;;
1328  --without-win-sdk) win_sdk="no"
1329  ;;
1330  --enable-tools) want_tools="yes"
1331  ;;
1332  --disable-tools) want_tools="no"
1333  ;;
1334  --enable-seccomp) seccomp="yes"
1335  ;;
1336  --disable-seccomp) seccomp="no"
1337  ;;
1338  --disable-glusterfs) glusterfs="no"
1339  ;;
1340  --disable-avx2) avx2_opt="no"
1341  ;;
1342  --enable-avx2) avx2_opt="yes"
1343  ;;
1344  --disable-avx512f) avx512f_opt="no"
1345  ;;
1346  --enable-avx512f) avx512f_opt="yes"
1347  ;;
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-libssh) libssh="no"
1403  ;;
1404  --enable-libssh) libssh="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-bochs) bochs="no"
1431  ;;
1432  --enable-bochs) bochs="yes"
1433  ;;
1434  --disable-cloop) cloop="no"
1435  ;;
1436  --enable-cloop) cloop="yes"
1437  ;;
1438  --disable-dmg) dmg="no"
1439  ;;
1440  --enable-dmg) dmg="yes"
1441  ;;
1442  --disable-qcow1) qcow1="no"
1443  ;;
1444  --enable-qcow1) qcow1="yes"
1445  ;;
1446  --disable-vdi) vdi="no"
1447  ;;
1448  --enable-vdi) vdi="yes"
1449  ;;
1450  --disable-vvfat) vvfat="no"
1451  ;;
1452  --enable-vvfat) vvfat="yes"
1453  ;;
1454  --disable-qed) qed="no"
1455  ;;
1456  --enable-qed) qed="yes"
1457  ;;
1458  --disable-parallels) parallels="no"
1459  ;;
1460  --enable-parallels) parallels="yes"
1461  ;;
1462  --disable-sheepdog) sheepdog="no"
1463  ;;
1464  --enable-sheepdog) sheepdog="yes"
1465  ;;
1466  --disable-vhost-user) vhost_user="no"
1467  ;;
1468  --enable-vhost-user) vhost_user="yes"
1469  ;;
1470  --disable-vhost-vdpa) vhost_vdpa="no"
1471  ;;
1472  --enable-vhost-vdpa) vhost_vdpa="yes"
1473  ;;
1474  --disable-vhost-kernel) vhost_kernel="no"
1475  ;;
1476  --enable-vhost-kernel) vhost_kernel="yes"
1477  ;;
1478  --disable-capstone) capstone="disabled"
1479  ;;
1480  --enable-capstone) capstone="enabled"
1481  ;;
1482  --enable-capstone=git) capstone="internal"
1483  ;;
1484  --enable-capstone=system) capstone="system"
1485  ;;
1486  --with-git=*) git="$optarg"
1487  ;;
1488  --enable-git-update) git_update=yes
1489  ;;
1490  --disable-git-update) git_update=no
1491  ;;
1492  --enable-debug-mutex) debug_mutex=yes
1493  ;;
1494  --disable-debug-mutex) debug_mutex=no
1495  ;;
1496  --enable-libpmem) libpmem=yes
1497  ;;
1498  --disable-libpmem) libpmem=no
1499  ;;
1500  --enable-xkbcommon) xkbcommon="enabled"
1501  ;;
1502  --disable-xkbcommon) xkbcommon="disabled"
1503  ;;
1504  --enable-plugins) plugins="yes"
1505  ;;
1506  --disable-plugins) plugins="no"
1507  ;;
1508  --enable-containers) use_containers="yes"
1509  ;;
1510  --disable-containers) use_containers="no"
1511  ;;
1512  --enable-fuzzing) fuzzing=yes
1513  ;;
1514  --disable-fuzzing) fuzzing=no
1515  ;;
1516  --gdb=*) gdb_bin="$optarg"
1517  ;;
1518  --enable-rng-none) rng_none=yes
1519  ;;
1520  --disable-rng-none) rng_none=no
1521  ;;
1522  --enable-keyring) secret_keyring="yes"
1523  ;;
1524  --disable-keyring) secret_keyring="no"
1525  ;;
1526  --enable-libdaxctl) libdaxctl=yes
1527  ;;
1528  --disable-libdaxctl) libdaxctl=no
1529  ;;
1530  --enable-fuse) fuse="enabled"
1531  ;;
1532  --disable-fuse) fuse="disabled"
1533  ;;
1534  --enable-fuse-lseek) fuse_lseek="enabled"
1535  ;;
1536  --disable-fuse-lseek) fuse_lseek="disabled"
1537  ;;
1538  *)
1539      echo "ERROR: unknown option $opt"
1540      echo "Try '$0 --help' for more information"
1541      exit 1
1542  ;;
1543  esac
1544done
1545
1546libdir="${libdir:-$prefix/lib}"
1547libexecdir="${libexecdir:-$prefix/libexec}"
1548includedir="${includedir:-$prefix/include}"
1549
1550if test "$mingw32" = "yes" ; then
1551    mandir="$prefix"
1552    datadir="$prefix"
1553    docdir="$prefix"
1554    bindir="$prefix"
1555    sysconfdir="$prefix"
1556    local_statedir="$prefix"
1557else
1558    mandir="${mandir:-$prefix/share/man}"
1559    datadir="${datadir:-$prefix/share}"
1560    docdir="${docdir:-$prefix/share/doc}"
1561    bindir="${bindir:-$prefix/bin}"
1562    sysconfdir="${sysconfdir:-$prefix/etc}"
1563    local_statedir="${local_statedir:-$prefix/var}"
1564fi
1565firmwarepath="${firmwarepath:-$datadir/qemu-firmware}"
1566localedir="${localedir:-$datadir/locale}"
1567
1568case "$cpu" in
1569    ppc)
1570           CPU_CFLAGS="-m32"
1571           QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1572           ;;
1573    ppc64)
1574           CPU_CFLAGS="-m64"
1575           QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1576           ;;
1577    sparc)
1578           CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1579           QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1580           ;;
1581    sparc64)
1582           CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1583           QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1584           ;;
1585    s390)
1586           CPU_CFLAGS="-m31"
1587           QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1588           ;;
1589    s390x)
1590           CPU_CFLAGS="-m64"
1591           QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1592           ;;
1593    i386)
1594           CPU_CFLAGS="-m32"
1595           QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1596           ;;
1597    x86_64)
1598           # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1599           # If we truly care, we should simply detect this case at
1600           # runtime and generate the fallback to serial emulation.
1601           CPU_CFLAGS="-m64 -mcx16"
1602           QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1603           ;;
1604    x32)
1605           CPU_CFLAGS="-mx32"
1606           QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1607           ;;
1608    # No special flags required for other host CPUs
1609esac
1610
1611eval "cross_cc_${cpu}=\$host_cc"
1612cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1613QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1614
1615# For user-mode emulation the host arch has to be one we explicitly
1616# support, even if we're using TCI.
1617if [ "$ARCH" = "unknown" ]; then
1618  bsd_user="no"
1619  linux_user="no"
1620fi
1621
1622default_target_list=""
1623deprecated_targets_list=ppc64abi32-linux-user,tilegx-linux-user,lm32-softmmu,unicore32-softmmu
1624deprecated_features=""
1625mak_wilds=""
1626
1627if [ "$softmmu" = "yes" ]; then
1628    mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-softmmu.mak"
1629fi
1630if [ "$linux_user" = "yes" ]; then
1631    mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-linux-user.mak"
1632fi
1633if [ "$bsd_user" = "yes" ]; then
1634    mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-bsd-user.mak"
1635fi
1636
1637# If the user doesn't explicitly specify a deprecated target we will
1638# skip it.
1639if test -z "$target_list"; then
1640    if test -z "$target_list_exclude"; then
1641        target_list_exclude="$deprecated_targets_list"
1642    else
1643        target_list_exclude="$target_list_exclude,$deprecated_targets_list"
1644    fi
1645fi
1646
1647for config in $mak_wilds; do
1648    target="$(basename "$config" .mak)"
1649    if echo "$target_list_exclude" | grep -vq "$target"; then
1650        default_target_list="${default_target_list} $target"
1651    fi
1652done
1653
1654# Enumerate public trace backends for --help output
1655trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1656
1657if test x"$show_help" = x"yes" ; then
1658cat << EOF
1659
1660Usage: configure [options]
1661Options: [defaults in brackets after descriptions]
1662
1663Standard options:
1664  --help                   print this message
1665  --prefix=PREFIX          install in PREFIX [$prefix]
1666  --interp-prefix=PREFIX   where to find shared libraries, etc.
1667                           use %M for cpu name [$interp_prefix]
1668  --target-list=LIST       set target list (default: build all non-deprecated)
1669$(echo Available targets: $default_target_list | \
1670  fold -s -w 53 | sed -e 's/^/                           /')
1671$(echo Deprecated targets: $deprecated_targets_list | \
1672  fold -s -w 53 | sed -e 's/^/                           /')
1673  --target-list-exclude=LIST exclude a set of targets from the default target-list
1674
1675Advanced options (experts only):
1676  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1677  --cc=CC                  use C compiler CC [$cc]
1678  --iasl=IASL              use ACPI compiler IASL [$iasl]
1679  --host-cc=CC             use C compiler CC [$host_cc] for code run at
1680                           build time
1681  --cxx=CXX                use C++ compiler CXX [$cxx]
1682  --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1683  --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1684  --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1685  --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1686  --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1687  --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1688  --make=MAKE              use specified make [$make]
1689  --python=PYTHON          use specified python [$python]
1690  --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1691  --meson=MESON            use specified meson [$meson]
1692  --ninja=NINJA            use specified ninja [$ninja]
1693  --smbd=SMBD              use specified smbd [$smbd]
1694  --with-git=GIT           use specified git [$git]
1695  --static                 enable static build [$static]
1696  --mandir=PATH            install man pages in PATH
1697  --datadir=PATH           install firmware in PATH/$qemu_suffix
1698  --localedir=PATH         install translation in PATH/$qemu_suffix
1699  --docdir=PATH            install documentation in PATH/$qemu_suffix
1700  --bindir=PATH            install binaries in PATH
1701  --libdir=PATH            install libraries in PATH
1702  --libexecdir=PATH        install helper binaries in PATH
1703  --sysconfdir=PATH        install config in PATH/$qemu_suffix
1704  --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1705  --firmwarepath=PATH      search PATH for firmware files
1706  --efi-aarch64=PATH       PATH of efi file to use for aarch64 VMs.
1707  --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
1708  --with-pkgversion=VERS   use specified string as sub-version of the package
1709  --enable-debug           enable common debug build options
1710  --enable-sanitizers      enable default sanitizers
1711  --enable-tsan            enable thread sanitizer
1712  --disable-strip          disable stripping binaries
1713  --disable-werror         disable compilation abort on warning
1714  --disable-stack-protector disable compiler-provided stack protection
1715  --audio-drv-list=LIST    set audio drivers list:
1716                           Available drivers: $audio_possible_drivers
1717  --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1718  --block-drv-rw-whitelist=L
1719                           set block driver read-write whitelist
1720                           (affects only QEMU, not qemu-img)
1721  --block-drv-ro-whitelist=L
1722                           set block driver read-only whitelist
1723                           (affects only QEMU, not qemu-img)
1724  --enable-trace-backends=B Set trace backend
1725                           Available backends: $trace_backend_list
1726  --with-trace-file=NAME   Full PATH,NAME of file to store traces
1727                           Default:trace-<pid>
1728  --disable-slirp          disable SLIRP userspace network connectivity
1729  --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1730  --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1731  --oss-lib                path to OSS library
1732  --cpu=CPU                Build for host CPU [$cpu]
1733  --with-coroutine=BACKEND coroutine backend. Supported options:
1734                           ucontext, sigaltstack, windows
1735  --enable-gcov            enable test coverage analysis with gcov
1736  --disable-blobs          disable installing provided firmware blobs
1737  --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1738  --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1739  --tls-priority           default TLS protocol/cipher priority string
1740  --enable-gprof           QEMU profiling with gprof
1741  --enable-profiler        profiler support
1742  --enable-debug-stack-usage
1743                           track the maximum stack usage of stacks created by qemu_alloc_stack
1744  --enable-plugins
1745                           enable plugins via shared library loading
1746  --disable-containers     don't use containers for cross-building
1747  --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1748
1749Optional features, enabled with --enable-FEATURE and
1750disabled with --disable-FEATURE, default is enabled if available:
1751
1752  system          all system emulation targets
1753  user            supported user emulation targets
1754  linux-user      all linux usermode emulation targets
1755  bsd-user        all BSD usermode emulation targets
1756  docs            build documentation
1757  guest-agent     build the QEMU Guest Agent
1758  guest-agent-msi build guest agent Windows MSI installation package
1759  pie             Position Independent Executables
1760  modules         modules support (non-Windows)
1761  module-upgrades try to load modules from alternate paths for upgrades
1762  debug-tcg       TCG debugging (default is disabled)
1763  debug-info      debugging information
1764  sparse          sparse checker
1765  safe-stack      SafeStack Stack Smash Protection. Depends on
1766                  clang/llvm >= 3.7 and requires coroutine backend ucontext.
1767
1768  gnutls          GNUTLS cryptography support
1769  nettle          nettle cryptography support
1770  gcrypt          libgcrypt cryptography support
1771  auth-pam        PAM access control
1772  sdl             SDL UI
1773  sdl-image       SDL Image support for icons
1774  gtk             gtk UI
1775  vte             vte support for the gtk UI
1776  curses          curses UI
1777  iconv           font glyph conversion support
1778  vnc             VNC UI support
1779  vnc-sasl        SASL encryption for VNC server
1780  vnc-jpeg        JPEG lossy compression for VNC server
1781  vnc-png         PNG compression for VNC server
1782  cocoa           Cocoa UI (Mac OS X only)
1783  virtfs          VirtFS
1784  virtiofsd       build virtiofs daemon (virtiofsd)
1785  libudev         Use libudev to enumerate host devices
1786  mpath           Multipath persistent reservation passthrough
1787  xen             xen backend driver support
1788  xen-pci-passthrough    PCI passthrough support for Xen
1789  brlapi          BrlAPI (Braile)
1790  curl            curl connectivity
1791  membarrier      membarrier system call (for Linux 4.14+ or Windows)
1792  fdt             fdt device tree
1793  kvm             KVM acceleration support
1794  hax             HAX acceleration support
1795  hvf             Hypervisor.framework acceleration support
1796  whpx            Windows Hypervisor Platform acceleration support
1797  rdma            Enable RDMA-based migration
1798  pvrdma          Enable PVRDMA support
1799  vde             support for vde network
1800  netmap          support for netmap network
1801  linux-aio       Linux AIO support
1802  linux-io-uring  Linux io_uring support
1803  cap-ng          libcap-ng support
1804  attr            attr and xattr support
1805  vhost-net       vhost-net kernel acceleration support
1806  vhost-vsock     virtio sockets device support
1807  vhost-scsi      vhost-scsi kernel target support
1808  vhost-crypto    vhost-user-crypto backend support
1809  vhost-kernel    vhost kernel backend support
1810  vhost-user      vhost-user backend support
1811  vhost-user-blk-server    vhost-user-blk server support
1812  vhost-vdpa      vhost-vdpa kernel backend support
1813  spice           spice
1814  rbd             rados block device (rbd)
1815  libiscsi        iscsi support
1816  libnfs          nfs support
1817  smartcard       smartcard support (libcacard)
1818  u2f             U2F support (u2f-emu)
1819  libusb          libusb (for usb passthrough)
1820  live-block-migration   Block migration in the main migration stream
1821  usb-redir       usb network redirection support
1822  lzo             support of lzo compression library
1823  snappy          support of snappy compression library
1824  bzip2           support of bzip2 compression library
1825                  (for reading bzip2-compressed dmg images)
1826  lzfse           support of lzfse compression library
1827                  (for reading lzfse-compressed dmg images)
1828  zstd            support for zstd compression library
1829                  (for migration compression and qcow2 cluster compression)
1830  seccomp         seccomp support
1831  coroutine-pool  coroutine freelist (better performance)
1832  glusterfs       GlusterFS backend
1833  tpm             TPM support
1834  libssh          ssh block device support
1835  numa            libnuma support
1836  libxml2         for Parallels image format
1837  tcmalloc        tcmalloc support
1838  jemalloc        jemalloc support
1839  avx2            AVX2 optimization support
1840  avx512f         AVX512F optimization support
1841  replication     replication support
1842  opengl          opengl support
1843  virglrenderer   virgl rendering support
1844  xfsctl          xfsctl support
1845  qom-cast-debug  cast debugging support
1846  tools           build qemu-io, qemu-nbd and qemu-img tools
1847  bochs           bochs image format support
1848  cloop           cloop image format support
1849  dmg             dmg image format support
1850  qcow1           qcow v1 image format support
1851  vdi             vdi image format support
1852  vvfat           vvfat image format support
1853  qed             qed image format support
1854  parallels       parallels image format support
1855  sheepdog        sheepdog block driver support (deprecated)
1856  crypto-afalg    Linux AF_ALG crypto backend driver
1857  capstone        capstone disassembler support
1858  debug-mutex     mutex debugging support
1859  libpmem         libpmem support
1860  xkbcommon       xkbcommon support
1861  rng-none        dummy RNG, avoid using /dev/(u)random and getrandom()
1862  libdaxctl       libdaxctl support
1863  fuse            FUSE block device export
1864  fuse-lseek      SEEK_HOLE/SEEK_DATA support for FUSE exports
1865
1866NOTE: The object files are built at the place where configure is launched
1867EOF
1868exit 0
1869fi
1870
1871# Remove old dependency files to make sure that they get properly regenerated
1872rm -f */config-devices.mak.d
1873
1874if test -z "$python"
1875then
1876    error_exit "Python not found. Use --python=/path/to/python"
1877fi
1878
1879# Note that if the Python conditional here evaluates True we will exit
1880# with status 1 which is a shell 'false' value.
1881if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
1882  error_exit "Cannot use '$python', Python >= 3.6 is required." \
1883      "Use --python=/path/to/python to specify a supported Python."
1884fi
1885
1886# Preserve python version since some functionality is dependent on it
1887python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null)
1888
1889# Suppress writing compiled files
1890python="$python -B"
1891
1892if test -z "$meson"; then
1893    if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.3; then
1894        meson=meson
1895    elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
1896        meson=git
1897    elif test -e "${source_path}/meson/meson.py" ; then
1898        meson=internal
1899    else
1900        if test "$explicit_python" = yes; then
1901            error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1902        else
1903            error_exit "Meson not found.  Use --meson=/path/to/meson"
1904        fi
1905    fi
1906else
1907    # Meson uses its own Python interpreter to invoke other Python scripts,
1908    # but the user wants to use the one they specified with --python.
1909    #
1910    # We do not want to override the distro Python interpreter (and sometimes
1911    # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1912    # just require --meson=git|internal together with --python.
1913    if test "$explicit_python" = yes; then
1914        case "$meson" in
1915            git | internal) ;;
1916            *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1917        esac
1918    fi
1919fi
1920
1921if test "$meson" = git; then
1922    git_submodules="${git_submodules} meson"
1923fi
1924
1925case "$meson" in
1926    git | internal)
1927        meson="$python ${source_path}/meson/meson.py"
1928        ;;
1929    *) meson=$(command -v "$meson") ;;
1930esac
1931
1932# Probe for ninja
1933
1934if test -z "$ninja"; then
1935    for c in ninja ninja-build samu; do
1936        if has $c; then
1937            ninja=$(command -v "$c")
1938            break
1939        fi
1940    done
1941    if test -z "$ninja"; then
1942      error_exit "Cannot find Ninja"
1943    fi
1944fi
1945
1946# Check that the C compiler works. Doing this here before testing
1947# the host CPU ensures that we had a valid CC to autodetect the
1948# $cpu var (and we should bail right here if that's not the case).
1949# It also allows the help message to be printed without a CC.
1950write_c_skeleton;
1951if compile_object ; then
1952  : C compiler works ok
1953else
1954    error_exit "\"$cc\" either does not exist or does not work"
1955fi
1956if ! compile_prog ; then
1957    error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1958fi
1959
1960# Consult white-list to determine whether to enable werror
1961# by default.  Only enable by default for git builds
1962if test -z "$werror" ; then
1963    if test -e "$source_path/.git" && \
1964        { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1965        werror="yes"
1966    else
1967        werror="no"
1968    fi
1969fi
1970
1971if test "$bogus_os" = "yes"; then
1972    # Now that we know that we're not printing the help and that
1973    # the compiler works (so the results of the check_defines we used
1974    # to identify the OS are reliable), if we didn't recognize the
1975    # host OS we should stop now.
1976    error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1977fi
1978
1979# Check whether the compiler matches our minimum requirements:
1980cat > $TMPC << EOF
1981#if defined(__clang_major__) && defined(__clang_minor__)
1982# ifdef __apple_build_version__
1983#  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1984#   error You need at least XCode Clang v5.1 to compile QEMU
1985#  endif
1986# else
1987#  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1988#   error You need at least Clang v3.4 to compile QEMU
1989#  endif
1990# endif
1991#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1992# if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1993#  error You need at least GCC v4.8 to compile QEMU
1994# endif
1995#else
1996# error You either need GCC or Clang to compiler QEMU
1997#endif
1998int main (void) { return 0; }
1999EOF
2000if ! compile_prog "" "" ; then
2001    error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2002fi
2003
2004# Accumulate -Wfoo and -Wno-bar separately.
2005# We will list all of the enable flags first, and the disable flags second.
2006# Note that we do not add -Werror, because that would enable it for all
2007# configure tests. If a configure test failed due to -Werror this would
2008# just silently disable some features, so it's too error prone.
2009
2010warn_flags=
2011add_to warn_flags -Wold-style-declaration
2012add_to warn_flags -Wold-style-definition
2013add_to warn_flags -Wtype-limits
2014add_to warn_flags -Wformat-security
2015add_to warn_flags -Wformat-y2k
2016add_to warn_flags -Winit-self
2017add_to warn_flags -Wignored-qualifiers
2018add_to warn_flags -Wempty-body
2019add_to warn_flags -Wnested-externs
2020add_to warn_flags -Wendif-labels
2021add_to warn_flags -Wexpansion-to-defined
2022
2023nowarn_flags=
2024add_to nowarn_flags -Wno-initializer-overrides
2025add_to nowarn_flags -Wno-missing-include-dirs
2026add_to nowarn_flags -Wno-shift-negative-value
2027add_to nowarn_flags -Wno-string-plus-int
2028add_to nowarn_flags -Wno-typedef-redefinition
2029add_to nowarn_flags -Wno-tautological-type-limit-compare
2030add_to nowarn_flags -Wno-psabi
2031
2032gcc_flags="$warn_flags $nowarn_flags"
2033
2034cc_has_warning_flag() {
2035    write_c_skeleton;
2036
2037    # Use the positive sense of the flag when testing for -Wno-wombat
2038    # support (gcc will happily accept the -Wno- form of unknown
2039    # warning options).
2040    optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2041    compile_prog "-Werror $optflag" ""
2042}
2043
2044for flag in $gcc_flags; do
2045    if cc_has_warning_flag $flag ; then
2046        QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2047    fi
2048done
2049
2050if test "$stack_protector" != "no"; then
2051  cat > $TMPC << EOF
2052int main(int argc, char *argv[])
2053{
2054    char arr[64], *p = arr, *c = argv[0];
2055    while (*c) {
2056        *p++ = *c++;
2057    }
2058    return 0;
2059}
2060EOF
2061  gcc_flags="-fstack-protector-strong -fstack-protector-all"
2062  sp_on=0
2063  for flag in $gcc_flags; do
2064    # We need to check both a compile and a link, since some compiler
2065    # setups fail only on a .c->.o compile and some only at link time
2066    if compile_object "-Werror $flag" &&
2067       compile_prog "-Werror $flag" ""; then
2068      QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2069      QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2070      sp_on=1
2071      break
2072    fi
2073  done
2074  if test "$stack_protector" = yes; then
2075    if test $sp_on = 0; then
2076      error_exit "Stack protector not supported"
2077    fi
2078  fi
2079fi
2080
2081# Disable -Wmissing-braces on older compilers that warn even for
2082# the "universal" C zero initializer {0}.
2083cat > $TMPC << EOF
2084struct {
2085  int a[2];
2086} x = {0};
2087EOF
2088if compile_object "-Werror" "" ; then
2089  :
2090else
2091  QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2092fi
2093
2094# Our module code doesn't support Windows
2095if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2096  error_exit "Modules are not available for Windows"
2097fi
2098
2099# module_upgrades is only reasonable if modules are enabled
2100if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2101  error_exit "Can't enable module-upgrades as Modules are not enabled"
2102fi
2103
2104# Static linking is not possible with modules or PIE
2105if test "$static" = "yes" ; then
2106  if test "$modules" = "yes" ; then
2107    error_exit "static and modules are mutually incompatible"
2108  fi
2109fi
2110
2111# Unconditional check for compiler __thread support
2112  cat > $TMPC << EOF
2113static __thread int tls_var;
2114int main(void) { return tls_var; }
2115EOF
2116
2117if ! compile_prog "-Werror" "" ; then
2118    error_exit "Your compiler does not support the __thread specifier for " \
2119	"Thread-Local Storage (TLS). Please upgrade to a version that does."
2120fi
2121
2122cat > $TMPC << EOF
2123
2124#ifdef __linux__
2125#  define THREAD __thread
2126#else
2127#  define THREAD
2128#endif
2129static THREAD int tls_var;
2130int main(void) { return tls_var; }
2131EOF
2132
2133# Check we support --no-pie first; we will need this for building ROMs.
2134if compile_prog "-Werror -fno-pie" "-no-pie"; then
2135  CFLAGS_NOPIE="-fno-pie"
2136  LDFLAGS_NOPIE="-no-pie"
2137fi
2138
2139if test "$static" = "yes"; then
2140  if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2141    CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
2142    QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2143    pie="yes"
2144  elif test "$pie" = "yes"; then
2145    error_exit "-static-pie not available due to missing toolchain support"
2146  else
2147    QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2148    pie="no"
2149  fi
2150elif test "$pie" = "no"; then
2151  CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS"
2152  CONFIGURE_LDFLAGS="$LDFLAGS_NOPIE $CONFIGURE_LDFLAGS"
2153elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2154  CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
2155  CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
2156  pie="yes"
2157elif test "$pie" = "yes"; then
2158  error_exit "PIE not available due to missing toolchain support"
2159else
2160  echo "Disabling PIE due to missing toolchain support"
2161  pie="no"
2162fi
2163
2164# Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2165# The combination is known as "full relro", because .got.plt is read-only too.
2166if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2167  QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2168fi
2169
2170##########################################
2171# __sync_fetch_and_and requires at least -march=i486. Many toolchains
2172# use i686 as default anyway, but for those that don't, an explicit
2173# specification is necessary
2174
2175if test "$cpu" = "i386"; then
2176  cat > $TMPC << EOF
2177static int sfaa(int *ptr)
2178{
2179  return __sync_fetch_and_and(ptr, 0);
2180}
2181
2182int main(void)
2183{
2184  int val = 42;
2185  val = __sync_val_compare_and_swap(&val, 0, 1);
2186  sfaa(&val);
2187  return val;
2188}
2189EOF
2190  if ! compile_prog "" "" ; then
2191    QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2192  fi
2193fi
2194
2195#########################################
2196# Solaris specific configure tool chain decisions
2197
2198if test "$solaris" = "yes" ; then
2199  if has ar; then
2200    :
2201  else
2202    if test -f /usr/ccs/bin/ar ; then
2203      error_exit "No path includes ar" \
2204          "Add /usr/ccs/bin to your path and rerun configure"
2205    fi
2206    error_exit "No path includes ar"
2207  fi
2208fi
2209
2210if test -z "${target_list+xxx}" ; then
2211    default_targets=yes
2212    for target in $default_target_list; do
2213        target_list="$target_list $target"
2214    done
2215    target_list="${target_list# }"
2216else
2217    default_targets=no
2218    target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2219    for target in $target_list; do
2220        # Check that we recognised the target name; this allows a more
2221        # friendly error message than if we let it fall through.
2222        case " $default_target_list " in
2223            *" $target "*)
2224                ;;
2225            *)
2226                error_exit "Unknown target name '$target'"
2227                ;;
2228        esac
2229    done
2230fi
2231
2232for target in $target_list; do
2233    # if a deprecated target is enabled we note it here
2234    if echo "$deprecated_targets_list" | grep -q "$target"; then
2235        add_to deprecated_features $target
2236    fi
2237done
2238
2239# see if system emulation was really requested
2240case " $target_list " in
2241  *"-softmmu "*) softmmu=yes
2242  ;;
2243  *) softmmu=no
2244  ;;
2245esac
2246
2247feature_not_found() {
2248  feature=$1
2249  remedy=$2
2250
2251  error_exit "User requested feature $feature" \
2252      "configure was not able to find it." \
2253      "$remedy"
2254}
2255
2256# ---
2257# big/little endian test
2258cat > $TMPC << EOF
2259short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2260short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2261extern int foo(short *, short *);
2262int main(int argc, char *argv[]) {
2263    return foo(big_endian, little_endian);
2264}
2265EOF
2266
2267if compile_object ; then
2268    if strings -a $TMPO | grep -q BiGeNdIaN ; then
2269        bigendian="yes"
2270    elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2271        bigendian="no"
2272    else
2273        echo big/little test failed
2274    fi
2275else
2276    echo big/little test failed
2277fi
2278
2279##########################################
2280# system tools
2281if test -z "$want_tools"; then
2282    if test "$softmmu" = "no"; then
2283        want_tools=no
2284    else
2285        want_tools=yes
2286    fi
2287fi
2288
2289##########################################
2290# cocoa implies not SDL or GTK
2291# (the cocoa UI code currently assumes it is always the active UI
2292# and doesn't interact well with other UI frontend code)
2293if test "$cocoa" = "enabled"; then
2294    if test "$sdl" = "enabled"; then
2295        error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2296    fi
2297    if test "$gtk" = "yes"; then
2298        error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2299    fi
2300    gtk=no
2301    sdl=disabled
2302fi
2303
2304# Some versions of Mac OS X incorrectly define SIZE_MAX
2305cat > $TMPC << EOF
2306#include <stdint.h>
2307#include <stdio.h>
2308int main(int argc, char *argv[]) {
2309    return printf("%zu", SIZE_MAX);
2310}
2311EOF
2312have_broken_size_max=no
2313if ! compile_object -Werror ; then
2314    have_broken_size_max=yes
2315fi
2316
2317##########################################
2318# L2TPV3 probe
2319
2320cat > $TMPC <<EOF
2321#include <sys/socket.h>
2322#include <linux/ip.h>
2323int main(void) { return sizeof(struct mmsghdr); }
2324EOF
2325if compile_prog "" "" ; then
2326  l2tpv3=yes
2327else
2328  l2tpv3=no
2329fi
2330
2331if check_include "pty.h" ; then
2332  pty_h=yes
2333else
2334  pty_h=no
2335fi
2336
2337cat > $TMPC <<EOF
2338#include <sys/mman.h>
2339int main(int argc, char *argv[]) {
2340    return mlockall(MCL_FUTURE);
2341}
2342EOF
2343if compile_prog "" "" ; then
2344  have_mlockall=yes
2345else
2346  have_mlockall=no
2347fi
2348
2349#########################################
2350# vhost interdependencies and host support
2351
2352# vhost backends
2353if test "$vhost_user" = "yes" && test "$linux" != "yes"; then
2354  error_exit "vhost-user is only available on Linux"
2355fi
2356test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2357if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2358  error_exit "vhost-vdpa is only available on Linux"
2359fi
2360test "$vhost_kernel" = "" && vhost_kernel=$linux
2361if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2362  error_exit "vhost-kernel is only available on Linux"
2363fi
2364
2365# vhost-kernel devices
2366test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2367if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2368  error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2369fi
2370test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2371if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2372  error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2373fi
2374
2375# vhost-user backends
2376test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2377if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2378  error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2379fi
2380test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2381if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2382  error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2383fi
2384test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2385if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2386  error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2387fi
2388#vhost-vdpa backends
2389test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2390if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2391  error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2392fi
2393
2394# OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity
2395if test "$vhost_net" = ""; then
2396  test "$vhost_net_user" = "yes" && vhost_net=yes
2397  test "$vhost_net_vdpa" = "yes" && vhost_net=yes
2398  test "$vhost_kernel" = "yes" && vhost_net=yes
2399fi
2400
2401##########################################
2402# pkg-config probe
2403
2404if ! has "$pkg_config_exe"; then
2405  error_exit "pkg-config binary '$pkg_config_exe' not found"
2406fi
2407
2408##########################################
2409# NPTL probe
2410
2411if test "$linux_user" = "yes"; then
2412  cat > $TMPC <<EOF
2413#include <sched.h>
2414#include <linux/futex.h>
2415int main(void) {
2416#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2417#error bork
2418#endif
2419  return 0;
2420}
2421EOF
2422  if ! compile_object ; then
2423    feature_not_found "nptl" "Install glibc and linux kernel headers."
2424  fi
2425fi
2426
2427##########################################
2428# lzo check
2429
2430if test "$lzo" != "no" ; then
2431    cat > $TMPC << EOF
2432#include <lzo/lzo1x.h>
2433int main(void) { lzo_version(); return 0; }
2434EOF
2435    if compile_prog "" "-llzo2" ; then
2436        lzo_libs="-llzo2"
2437        lzo="yes"
2438    else
2439        if test "$lzo" = "yes"; then
2440            feature_not_found "liblzo2" "Install liblzo2 devel"
2441        fi
2442        lzo="no"
2443    fi
2444fi
2445
2446##########################################
2447# snappy check
2448
2449if test "$snappy" != "no" ; then
2450    cat > $TMPC << EOF
2451#include <snappy-c.h>
2452int main(void) { snappy_max_compressed_length(4096); return 0; }
2453EOF
2454    if compile_prog "" "-lsnappy" ; then
2455        snappy_libs='-lsnappy'
2456        snappy="yes"
2457    else
2458        if test "$snappy" = "yes"; then
2459            feature_not_found "libsnappy" "Install libsnappy devel"
2460        fi
2461        snappy="no"
2462    fi
2463fi
2464
2465##########################################
2466# bzip2 check
2467
2468if test "$bzip2" != "no" ; then
2469    cat > $TMPC << EOF
2470#include <bzlib.h>
2471int main(void) { BZ2_bzlibVersion(); return 0; }
2472EOF
2473    if compile_prog "" "-lbz2" ; then
2474        bzip2="yes"
2475    else
2476        if test "$bzip2" = "yes"; then
2477            feature_not_found "libbzip2" "Install libbzip2 devel"
2478        fi
2479        bzip2="no"
2480    fi
2481fi
2482
2483##########################################
2484# lzfse check
2485
2486if test "$lzfse" != "no" ; then
2487    cat > $TMPC << EOF
2488#include <lzfse.h>
2489int main(void) { lzfse_decode_scratch_size(); return 0; }
2490EOF
2491    if compile_prog "" "-llzfse" ; then
2492        lzfse="yes"
2493    else
2494        if test "$lzfse" = "yes"; then
2495            feature_not_found "lzfse" "Install lzfse devel"
2496        fi
2497        lzfse="no"
2498    fi
2499fi
2500
2501##########################################
2502# zstd check
2503
2504if test "$zstd" != "no" ; then
2505    libzstd_minver="1.4.0"
2506    if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2507        zstd_cflags="$($pkg_config --cflags libzstd)"
2508        zstd_libs="$($pkg_config --libs libzstd)"
2509        zstd="yes"
2510    else
2511        if test "$zstd" = "yes" ; then
2512            feature_not_found "libzstd" "Install libzstd devel"
2513        fi
2514        zstd="no"
2515    fi
2516fi
2517
2518##########################################
2519# libseccomp check
2520
2521if test "$seccomp" != "no" ; then
2522    libseccomp_minver="2.3.0"
2523    if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2524        seccomp_cflags="$($pkg_config --cflags libseccomp)"
2525        seccomp_libs="$($pkg_config --libs libseccomp)"
2526        seccomp="yes"
2527    else
2528        if test "$seccomp" = "yes" ; then
2529            feature_not_found "libseccomp" \
2530                 "Install libseccomp devel >= $libseccomp_minver"
2531        fi
2532        seccomp="no"
2533    fi
2534fi
2535
2536##########################################
2537# xen probe
2538
2539if test "$xen" != "disabled" ; then
2540  # Check whether Xen library path is specified via --extra-ldflags to avoid
2541  # overriding this setting with pkg-config output. If not, try pkg-config
2542  # to obtain all needed flags.
2543
2544  if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2545     $pkg_config --exists xencontrol ; then
2546    xen_ctrl_version="$(printf '%d%02d%02d' \
2547      $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2548    xen=enabled
2549    xen_pc="xencontrol xenstore xenforeignmemory xengnttab"
2550    xen_pc="$xen_pc xenevtchn xendevicemodel"
2551    if $pkg_config --exists xentoolcore; then
2552      xen_pc="$xen_pc xentoolcore"
2553    fi
2554    xen_cflags="$($pkg_config --cflags $xen_pc)"
2555    xen_libs="$($pkg_config --libs $xen_pc)"
2556  else
2557
2558    xen_libs="-lxenstore -lxenctrl"
2559    xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2560
2561    # First we test whether Xen headers and libraries are available.
2562    # If no, we are done and there is no Xen support.
2563    # If yes, more tests are run to detect the Xen version.
2564
2565    # Xen (any)
2566    cat > $TMPC <<EOF
2567#include <xenctrl.h>
2568int main(void) {
2569  return 0;
2570}
2571EOF
2572    if ! compile_prog "" "$xen_libs" ; then
2573      # Xen not found
2574      if test "$xen" = "enabled" ; then
2575        feature_not_found "xen" "Install xen devel"
2576      fi
2577      xen=disabled
2578
2579    # Xen unstable
2580    elif
2581        cat > $TMPC <<EOF &&
2582#undef XC_WANT_COMPAT_DEVICEMODEL_API
2583#define __XEN_TOOLS__
2584#include <xendevicemodel.h>
2585#include <xenforeignmemory.h>
2586int main(void) {
2587  xendevicemodel_handle *xd;
2588  xenforeignmemory_handle *xfmem;
2589
2590  xd = xendevicemodel_open(0, 0);
2591  xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2592
2593  xfmem = xenforeignmemory_open(0, 0);
2594  xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2595
2596  return 0;
2597}
2598EOF
2599        compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2600      then
2601      xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2602      xen_ctrl_version=41100
2603      xen=enabled
2604    elif
2605        cat > $TMPC <<EOF &&
2606#undef XC_WANT_COMPAT_MAP_FOREIGN_API
2607#include <xenforeignmemory.h>
2608#include <xentoolcore.h>
2609int main(void) {
2610  xenforeignmemory_handle *xfmem;
2611
2612  xfmem = xenforeignmemory_open(0, 0);
2613  xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2614  xentoolcore_restrict_all(0);
2615
2616  return 0;
2617}
2618EOF
2619        compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2620      then
2621      xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2622      xen_ctrl_version=41000
2623      xen=enabled
2624    elif
2625        cat > $TMPC <<EOF &&
2626#undef XC_WANT_COMPAT_DEVICEMODEL_API
2627#define __XEN_TOOLS__
2628#include <xendevicemodel.h>
2629int main(void) {
2630  xendevicemodel_handle *xd;
2631
2632  xd = xendevicemodel_open(0, 0);
2633  xendevicemodel_close(xd);
2634
2635  return 0;
2636}
2637EOF
2638        compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2639      then
2640      xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2641      xen_ctrl_version=40900
2642      xen=enabled
2643    elif
2644        cat > $TMPC <<EOF &&
2645/*
2646 * If we have stable libs the we don't want the libxc compat
2647 * layers, regardless of what CFLAGS we may have been given.
2648 *
2649 * Also, check if xengnttab_grant_copy_segment_t is defined and
2650 * grant copy operation is implemented.
2651 */
2652#undef XC_WANT_COMPAT_EVTCHN_API
2653#undef XC_WANT_COMPAT_GNTTAB_API
2654#undef XC_WANT_COMPAT_MAP_FOREIGN_API
2655#include <xenctrl.h>
2656#include <xenstore.h>
2657#include <xenevtchn.h>
2658#include <xengnttab.h>
2659#include <xenforeignmemory.h>
2660#include <stdint.h>
2661#include <xen/hvm/hvm_info_table.h>
2662#if !defined(HVM_MAX_VCPUS)
2663# error HVM_MAX_VCPUS not defined
2664#endif
2665int main(void) {
2666  xc_interface *xc = NULL;
2667  xenforeignmemory_handle *xfmem;
2668  xenevtchn_handle *xe;
2669  xengnttab_handle *xg;
2670  xengnttab_grant_copy_segment_t* seg = NULL;
2671
2672  xs_daemon_open();
2673
2674  xc = xc_interface_open(0, 0, 0);
2675  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2676  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2677  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2678  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2679
2680  xfmem = xenforeignmemory_open(0, 0);
2681  xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2682
2683  xe = xenevtchn_open(0, 0);
2684  xenevtchn_fd(xe);
2685
2686  xg = xengnttab_open(0, 0);
2687  xengnttab_grant_copy(xg, 0, seg);
2688
2689  return 0;
2690}
2691EOF
2692        compile_prog "" "$xen_libs $xen_stable_libs"
2693      then
2694      xen_ctrl_version=40800
2695      xen=enabled
2696    elif
2697        cat > $TMPC <<EOF &&
2698/*
2699 * If we have stable libs the we don't want the libxc compat
2700 * layers, regardless of what CFLAGS we may have been given.
2701 */
2702#undef XC_WANT_COMPAT_EVTCHN_API
2703#undef XC_WANT_COMPAT_GNTTAB_API
2704#undef XC_WANT_COMPAT_MAP_FOREIGN_API
2705#include <xenctrl.h>
2706#include <xenstore.h>
2707#include <xenevtchn.h>
2708#include <xengnttab.h>
2709#include <xenforeignmemory.h>
2710#include <stdint.h>
2711#include <xen/hvm/hvm_info_table.h>
2712#if !defined(HVM_MAX_VCPUS)
2713# error HVM_MAX_VCPUS not defined
2714#endif
2715int main(void) {
2716  xc_interface *xc = NULL;
2717  xenforeignmemory_handle *xfmem;
2718  xenevtchn_handle *xe;
2719  xengnttab_handle *xg;
2720
2721  xs_daemon_open();
2722
2723  xc = xc_interface_open(0, 0, 0);
2724  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2725  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2726  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2727  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2728
2729  xfmem = xenforeignmemory_open(0, 0);
2730  xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2731
2732  xe = xenevtchn_open(0, 0);
2733  xenevtchn_fd(xe);
2734
2735  xg = xengnttab_open(0, 0);
2736  xengnttab_map_grant_ref(xg, 0, 0, 0);
2737
2738  return 0;
2739}
2740EOF
2741        compile_prog "" "$xen_libs $xen_stable_libs"
2742      then
2743      xen_ctrl_version=40701
2744      xen=enabled
2745
2746    # Xen 4.6
2747    elif
2748        cat > $TMPC <<EOF &&
2749#include <xenctrl.h>
2750#include <xenstore.h>
2751#include <stdint.h>
2752#include <xen/hvm/hvm_info_table.h>
2753#if !defined(HVM_MAX_VCPUS)
2754# error HVM_MAX_VCPUS not defined
2755#endif
2756int main(void) {
2757  xc_interface *xc;
2758  xs_daemon_open();
2759  xc = xc_interface_open(0, 0, 0);
2760  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2761  xc_gnttab_open(NULL, 0);
2762  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2763  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2764  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2765  xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2766  return 0;
2767}
2768EOF
2769        compile_prog "" "$xen_libs"
2770      then
2771      xen_ctrl_version=40600
2772      xen=enabled
2773
2774    # Xen 4.5
2775    elif
2776        cat > $TMPC <<EOF &&
2777#include <xenctrl.h>
2778#include <xenstore.h>
2779#include <stdint.h>
2780#include <xen/hvm/hvm_info_table.h>
2781#if !defined(HVM_MAX_VCPUS)
2782# error HVM_MAX_VCPUS not defined
2783#endif
2784int main(void) {
2785  xc_interface *xc;
2786  xs_daemon_open();
2787  xc = xc_interface_open(0, 0, 0);
2788  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2789  xc_gnttab_open(NULL, 0);
2790  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2791  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2792  xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2793  return 0;
2794}
2795EOF
2796        compile_prog "" "$xen_libs"
2797      then
2798      xen_ctrl_version=40500
2799      xen=enabled
2800
2801    elif
2802        cat > $TMPC <<EOF &&
2803#include <xenctrl.h>
2804#include <xenstore.h>
2805#include <stdint.h>
2806#include <xen/hvm/hvm_info_table.h>
2807#if !defined(HVM_MAX_VCPUS)
2808# error HVM_MAX_VCPUS not defined
2809#endif
2810int main(void) {
2811  xc_interface *xc;
2812  xs_daemon_open();
2813  xc = xc_interface_open(0, 0, 0);
2814  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2815  xc_gnttab_open(NULL, 0);
2816  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2817  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2818  return 0;
2819}
2820EOF
2821        compile_prog "" "$xen_libs"
2822      then
2823      xen_ctrl_version=40200
2824      xen=enabled
2825
2826    else
2827      if test "$xen" = "enabled" ; then
2828        feature_not_found "xen (unsupported version)" \
2829                          "Install a supported xen (xen 4.2 or newer)"
2830      fi
2831      xen=disabled
2832    fi
2833
2834    if test "$xen" = enabled; then
2835      if test $xen_ctrl_version -ge 40701  ; then
2836        xen_libs="$xen_libs $xen_stable_libs "
2837      fi
2838    fi
2839  fi
2840fi
2841
2842if test "$xen_pci_passthrough" != "disabled"; then
2843  if test "$xen" = "enabled" && test "$linux" = "yes"; then
2844    xen_pci_passthrough=enabled
2845  else
2846    if test "$xen_pci_passthrough" = "enabled"; then
2847      error_exit "User requested feature Xen PCI Passthrough" \
2848          " but this feature requires /sys from Linux"
2849    fi
2850    xen_pci_passthrough=disabled
2851  fi
2852fi
2853
2854##########################################
2855# gettext probe
2856if test "$gettext" != "false" ; then
2857  if has xgettext; then
2858    gettext=true
2859  else
2860    if test "$gettext" = "true" ; then
2861      feature_not_found "gettext" "Install xgettext binary"
2862    fi
2863    gettext=false
2864  fi
2865fi
2866
2867##########################################
2868# X11 probe
2869if $pkg_config --exists "x11"; then
2870    have_x11=yes
2871    x11_cflags=$($pkg_config --cflags x11)
2872    x11_libs=$($pkg_config --libs x11)
2873fi
2874
2875##########################################
2876# GTK probe
2877
2878if test "$gtk" != "no"; then
2879    gtkpackage="gtk+-3.0"
2880    gtkx11package="gtk+-x11-3.0"
2881    gtkversion="3.22.0"
2882    if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2883        gtk_cflags=$($pkg_config --cflags $gtkpackage)
2884        gtk_libs=$($pkg_config --libs $gtkpackage)
2885        gtk_version=$($pkg_config --modversion $gtkpackage)
2886        if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2887            need_x11=yes
2888            gtk_cflags="$gtk_cflags $x11_cflags"
2889            gtk_libs="$gtk_libs $x11_libs"
2890        fi
2891        gtk="yes"
2892    elif test "$gtk" = "yes"; then
2893        feature_not_found "gtk" "Install gtk3-devel"
2894    else
2895        gtk="no"
2896    fi
2897fi
2898
2899
2900##########################################
2901# GNUTLS probe
2902
2903if test "$gnutls" != "no"; then
2904    pass="no"
2905    if $pkg_config --exists "gnutls >= 3.1.18"; then
2906        gnutls_cflags=$($pkg_config --cflags gnutls)
2907        gnutls_libs=$($pkg_config --libs gnutls)
2908        # Packaging for the static libraries is not always correct.
2909        # At least ubuntu 18.04 ships only shared libraries.
2910        write_c_skeleton
2911        if compile_prog "" "$gnutls_libs" ; then
2912            pass="yes"
2913        fi
2914    fi
2915    if test "$pass" = "no" && test "$gnutls" = "yes"; then
2916	feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2917    else
2918        gnutls="$pass"
2919    fi
2920fi
2921
2922
2923# If user didn't give a --disable/enable-gcrypt flag,
2924# then mark as disabled if user requested nettle
2925# explicitly
2926if test -z "$gcrypt"
2927then
2928    if test "$nettle" = "yes"
2929    then
2930        gcrypt="no"
2931    fi
2932fi
2933
2934# If user didn't give a --disable/enable-nettle flag,
2935# then mark as disabled if user requested gcrypt
2936# explicitly
2937if test -z "$nettle"
2938then
2939    if test "$gcrypt" = "yes"
2940    then
2941        nettle="no"
2942    fi
2943fi
2944
2945has_libgcrypt() {
2946    if ! has "libgcrypt-config"
2947    then
2948	return 1
2949    fi
2950
2951    if test -n "$cross_prefix"
2952    then
2953	host=$(libgcrypt-config --host)
2954	if test "$host-" != $cross_prefix
2955	then
2956	    return 1
2957	fi
2958    fi
2959
2960    maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2961    min=`libgcrypt-config --version | awk -F . '{print $2}'`
2962
2963    if test $maj != 1 || test $min -lt 5
2964    then
2965       return 1
2966    fi
2967
2968    return 0
2969}
2970
2971
2972if test "$nettle" != "no"; then
2973    pass="no"
2974    if $pkg_config --exists "nettle >= 2.7.1"; then
2975        nettle_cflags=$($pkg_config --cflags nettle)
2976        nettle_libs=$($pkg_config --libs nettle)
2977        nettle_version=$($pkg_config --modversion nettle)
2978        # Link test to make sure the given libraries work (e.g for static).
2979        write_c_skeleton
2980        if compile_prog "" "$nettle_libs" ; then
2981            if test -z "$gcrypt"; then
2982               gcrypt="no"
2983            fi
2984            pass="yes"
2985        fi
2986    fi
2987    if test "$pass" = "yes"
2988    then
2989        cat > $TMPC << EOF
2990#include <nettle/xts.h>
2991int main(void) {
2992  return 0;
2993}
2994EOF
2995        if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2996            nettle_xts=yes
2997            qemu_private_xts=no
2998        fi
2999    fi
3000    if test "$pass" = "no" && test "$nettle" = "yes"; then
3001        feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3002    else
3003        nettle="$pass"
3004    fi
3005fi
3006
3007if test "$gcrypt" != "no"; then
3008    pass="no"
3009    if has_libgcrypt; then
3010        gcrypt_cflags=$(libgcrypt-config --cflags)
3011        gcrypt_libs=$(libgcrypt-config --libs)
3012        # Debian has removed -lgpg-error from libgcrypt-config
3013        # as it "spreads unnecessary dependencies" which in
3014        # turn breaks static builds...
3015        if test "$static" = "yes"
3016        then
3017            gcrypt_libs="$gcrypt_libs -lgpg-error"
3018        fi
3019
3020        # Link test to make sure the given libraries work (e.g for static).
3021        write_c_skeleton
3022        if compile_prog "" "$gcrypt_libs" ; then
3023            pass="yes"
3024        fi
3025    fi
3026    if test "$pass" = "yes"; then
3027        gcrypt="yes"
3028        cat > $TMPC << EOF
3029#include <gcrypt.h>
3030int main(void) {
3031  gcry_mac_hd_t handle;
3032  gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3033                GCRY_MAC_FLAG_SECURE, NULL);
3034  return 0;
3035}
3036EOF
3037        if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3038            gcrypt_hmac=yes
3039        fi
3040        cat > $TMPC << EOF
3041#include <gcrypt.h>
3042int main(void) {
3043  gcry_cipher_hd_t handle;
3044  gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3045  return 0;
3046}
3047EOF
3048        if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3049            gcrypt_xts=yes
3050            qemu_private_xts=no
3051        fi
3052    elif test "$gcrypt" = "yes"; then
3053        feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3054    else
3055        gcrypt="no"
3056    fi
3057fi
3058
3059
3060if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3061then
3062    error_exit "Only one of gcrypt & nettle can be enabled"
3063fi
3064
3065##########################################
3066# libtasn1 - only for the TLS creds/session test suite
3067
3068tasn1=yes
3069tasn1_cflags=""
3070tasn1_libs=""
3071if $pkg_config --exists "libtasn1"; then
3072    tasn1_cflags=$($pkg_config --cflags libtasn1)
3073    tasn1_libs=$($pkg_config --libs libtasn1)
3074else
3075    tasn1=no
3076fi
3077
3078
3079##########################################
3080# PAM probe
3081
3082if test "$auth_pam" != "no"; then
3083    cat > $TMPC <<EOF
3084#include <security/pam_appl.h>
3085#include <stdio.h>
3086int main(void) {
3087   const char *service_name = "qemu";
3088   const char *user = "frank";
3089   const struct pam_conv pam_conv = { 0 };
3090   pam_handle_t *pamh = NULL;
3091   pam_start(service_name, user, &pam_conv, &pamh);
3092   return 0;
3093}
3094EOF
3095    if compile_prog "" "-lpam" ; then
3096        auth_pam=yes
3097    else
3098        if test "$auth_pam" = "yes"; then
3099            feature_not_found "PAM" "Install PAM development package"
3100        else
3101            auth_pam=no
3102        fi
3103    fi
3104fi
3105
3106##########################################
3107# getifaddrs (for tests/test-io-channel-socket )
3108
3109have_ifaddrs_h=yes
3110if ! check_include "ifaddrs.h" ; then
3111  have_ifaddrs_h=no
3112fi
3113
3114#########################################
3115# libdrm check
3116have_drm_h=no
3117if check_include "libdrm/drm.h" ; then
3118    have_drm_h=yes
3119fi
3120
3121#########################################
3122# sys/signal.h check
3123have_sys_signal_h=no
3124if check_include "sys/signal.h" ; then
3125  have_sys_signal_h=yes
3126fi
3127
3128##########################################
3129# VTE probe
3130
3131if test "$vte" != "no"; then
3132    vteminversion="0.32.0"
3133    if $pkg_config --exists "vte-2.91"; then
3134      vtepackage="vte-2.91"
3135    else
3136      vtepackage="vte-2.90"
3137    fi
3138    if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3139        vte_cflags=$($pkg_config --cflags $vtepackage)
3140        vte_libs=$($pkg_config --libs $vtepackage)
3141        vteversion=$($pkg_config --modversion $vtepackage)
3142        vte="yes"
3143    elif test "$vte" = "yes"; then
3144        feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3145    else
3146        vte="no"
3147    fi
3148fi
3149
3150##########################################
3151# RDMA needs OpenFabrics libraries
3152if test "$rdma" != "no" ; then
3153  cat > $TMPC <<EOF
3154#include <rdma/rdma_cma.h>
3155int main(void) { return 0; }
3156EOF
3157  rdma_libs="-lrdmacm -libverbs -libumad"
3158  if compile_prog "" "$rdma_libs" ; then
3159    rdma="yes"
3160  else
3161    if test "$rdma" = "yes" ; then
3162        error_exit \
3163            " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3164            " Your options:" \
3165            "  (1) Fast: Install infiniband packages (devel) from your distro." \
3166            "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3167            "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3168    fi
3169    rdma="no"
3170  fi
3171fi
3172
3173##########################################
3174# PVRDMA detection
3175
3176cat > $TMPC <<EOF &&
3177#include <sys/mman.h>
3178
3179int
3180main(void)
3181{
3182    char buf = 0;
3183    void *addr = &buf;
3184    addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3185
3186    return 0;
3187}
3188EOF
3189
3190if test "$rdma" = "yes" ; then
3191    case "$pvrdma" in
3192    "")
3193        if compile_prog "" ""; then
3194            pvrdma="yes"
3195        else
3196            pvrdma="no"
3197        fi
3198        ;;
3199    "yes")
3200        if ! compile_prog "" ""; then
3201            error_exit "PVRDMA is not supported since mremap is not implemented"
3202        fi
3203        pvrdma="yes"
3204        ;;
3205    "no")
3206        pvrdma="no"
3207        ;;
3208    esac
3209else
3210    if test "$pvrdma" = "yes" ; then
3211        error_exit "PVRDMA requires rdma suppport"
3212    fi
3213    pvrdma="no"
3214fi
3215
3216# Let's see if enhanced reg_mr is supported
3217if test "$pvrdma" = "yes" ; then
3218
3219cat > $TMPC <<EOF &&
3220#include <infiniband/verbs.h>
3221
3222int
3223main(void)
3224{
3225    struct ibv_mr *mr;
3226    struct ibv_pd *pd = NULL;
3227    size_t length = 10;
3228    uint64_t iova = 0;
3229    int access = 0;
3230    void *addr = NULL;
3231
3232    mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3233
3234    ibv_dereg_mr(mr);
3235
3236    return 0;
3237}
3238EOF
3239    if ! compile_prog "" "-libverbs"; then
3240        QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3241    fi
3242fi
3243
3244##########################################
3245# xfsctl() probe, used for file-posix.c
3246if test "$xfs" != "no" ; then
3247  cat > $TMPC << EOF
3248#include <stddef.h>  /* NULL */
3249#include <xfs/xfs.h>
3250int main(void)
3251{
3252    xfsctl(NULL, 0, 0, NULL);
3253    return 0;
3254}
3255EOF
3256  if compile_prog "" "" ; then
3257    xfs="yes"
3258  else
3259    if test "$xfs" = "yes" ; then
3260      feature_not_found "xfs" "Install xfsprogs/xfslibs devel"
3261    fi
3262    xfs=no
3263  fi
3264fi
3265
3266##########################################
3267# vde libraries probe
3268if test "$vde" != "no" ; then
3269  vde_libs="-lvdeplug"
3270  cat > $TMPC << EOF
3271#include <libvdeplug.h>
3272int main(void)
3273{
3274    struct vde_open_args a = {0, 0, 0};
3275    char s[] = "";
3276    vde_open(s, s, &a);
3277    return 0;
3278}
3279EOF
3280  if compile_prog "" "$vde_libs" ; then
3281    vde=yes
3282  else
3283    if test "$vde" = "yes" ; then
3284      feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3285    fi
3286    vde=no
3287  fi
3288fi
3289
3290##########################################
3291# netmap support probe
3292# Apart from looking for netmap headers, we make sure that the host API version
3293# supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3294# a minor/major version number. Minor new features will be marked with values up
3295# to 15, and if something happens that requires a change to the backend we will
3296# move above 15, submit the backend fixes and modify this two bounds.
3297if test "$netmap" != "no" ; then
3298  cat > $TMPC << EOF
3299#include <inttypes.h>
3300#include <net/if.h>
3301#include <net/netmap.h>
3302#include <net/netmap_user.h>
3303#if (NETMAP_API < 11) || (NETMAP_API > 15)
3304#error
3305#endif
3306int main(void) { return 0; }
3307EOF
3308  if compile_prog "" "" ; then
3309    netmap=yes
3310  else
3311    if test "$netmap" = "yes" ; then
3312      feature_not_found "netmap"
3313    fi
3314    netmap=no
3315  fi
3316fi
3317
3318##########################################
3319# libcap-ng library probe
3320if test "$cap_ng" != "no" ; then
3321  cap_libs="-lcap-ng"
3322  cat > $TMPC << EOF
3323#include <cap-ng.h>
3324int main(void)
3325{
3326    capng_capability_to_name(CAPNG_EFFECTIVE);
3327    return 0;
3328}
3329EOF
3330  if compile_prog "" "$cap_libs" ; then
3331    cap_ng=yes
3332  else
3333    if test "$cap_ng" = "yes" ; then
3334      feature_not_found "cap_ng" "Install libcap-ng devel"
3335    fi
3336    cap_ng=no
3337  fi
3338fi
3339
3340##########################################
3341# Sound support libraries probe
3342
3343audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3344for drv in $audio_drv_list; do
3345    case $drv in
3346    alsa | try-alsa)
3347    if $pkg_config alsa --exists; then
3348        alsa_libs=$($pkg_config alsa --libs)
3349        alsa_cflags=$($pkg_config alsa --cflags)
3350        alsa=yes
3351        if test "$drv" = "try-alsa"; then
3352            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3353        fi
3354    else
3355        if test "$drv" = "try-alsa"; then
3356            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3357        else
3358            error_exit "$drv check failed" \
3359                "Make sure to have the $drv libs and headers installed."
3360        fi
3361    fi
3362    ;;
3363
3364    pa | try-pa)
3365    if $pkg_config libpulse --exists; then
3366        libpulse=yes
3367        pulse_libs=$($pkg_config libpulse --libs)
3368        pulse_cflags=$($pkg_config libpulse --cflags)
3369        if test "$drv" = "try-pa"; then
3370            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3371        fi
3372    else
3373        if test "$drv" = "try-pa"; then
3374            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3375        else
3376            error_exit "$drv check failed" \
3377                "Make sure to have the $drv libs and headers installed."
3378        fi
3379    fi
3380    ;;
3381
3382    sdl)
3383    if test "$sdl" = "no"; then
3384        error_exit "sdl not found or disabled, can not use sdl audio driver"
3385    fi
3386    ;;
3387
3388    try-sdl)
3389    if test "$sdl" = "no"; then
3390        audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3391    else
3392        audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3393    fi
3394    ;;
3395
3396    coreaudio)
3397      coreaudio_libs="-framework CoreAudio"
3398    ;;
3399
3400    dsound)
3401      dsound_libs="-lole32 -ldxguid"
3402      audio_win_int="yes"
3403    ;;
3404
3405    oss)
3406      oss_libs="$oss_lib"
3407    ;;
3408
3409    jack | try-jack)
3410    if $pkg_config jack --exists; then
3411        libjack=yes
3412        jack_libs=$($pkg_config jack --libs)
3413        if test "$drv" = "try-jack"; then
3414            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3415        fi
3416    else
3417        if test "$drv" = "try-jack"; then
3418            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3419        else
3420            error_exit "$drv check failed" \
3421                "Make sure to have the $drv libs and headers installed."
3422        fi
3423    fi
3424    ;;
3425
3426    *)
3427    echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3428        error_exit "Unknown driver '$drv' selected" \
3429            "Possible drivers are: $audio_possible_drivers"
3430    }
3431    ;;
3432    esac
3433done
3434
3435##########################################
3436# BrlAPI probe
3437
3438if test "$brlapi" != "no" ; then
3439  brlapi_libs="-lbrlapi"
3440  cat > $TMPC << EOF
3441#include <brlapi.h>
3442#include <stddef.h>
3443int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3444EOF
3445  if compile_prog "" "$brlapi_libs" ; then
3446    brlapi=yes
3447  else
3448    if test "$brlapi" = "yes" ; then
3449      feature_not_found "brlapi" "Install brlapi devel"
3450    fi
3451    brlapi=no
3452  fi
3453fi
3454
3455##########################################
3456# curl probe
3457if test "$curl" != "no" ; then
3458  if $pkg_config libcurl --exists; then
3459    curlconfig="$pkg_config libcurl"
3460  else
3461    curlconfig=curl-config
3462  fi
3463  cat > $TMPC << EOF
3464#include <curl/curl.h>
3465int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3466EOF
3467  curl_cflags=$($curlconfig --cflags 2>/dev/null)
3468  curl_libs=$($curlconfig --libs 2>/dev/null)
3469  if compile_prog "$curl_cflags" "$curl_libs" ; then
3470    curl=yes
3471  else
3472    if test "$curl" = "yes" ; then
3473      feature_not_found "curl" "Install libcurl devel"
3474    fi
3475    curl=no
3476  fi
3477fi # test "$curl"
3478
3479##########################################
3480# glib support probe
3481
3482glib_req_ver=2.48
3483glib_modules=gthread-2.0
3484if test "$modules" = yes; then
3485    glib_modules="$glib_modules gmodule-export-2.0"
3486fi
3487if test "$plugins" = yes; then
3488    glib_modules="$glib_modules gmodule-2.0"
3489fi
3490
3491for i in $glib_modules; do
3492    if $pkg_config --atleast-version=$glib_req_ver $i; then
3493        glib_cflags=$($pkg_config --cflags $i)
3494        glib_libs=$($pkg_config --libs $i)
3495    else
3496        error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3497    fi
3498done
3499
3500# This workaround is required due to a bug in pkg-config file for glib as it
3501# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3502
3503if test "$static" = yes && test "$mingw32" = yes; then
3504    glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
3505fi
3506
3507if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3508    gio_cflags=$($pkg_config --cflags gio-2.0)
3509    gio_libs=$($pkg_config --libs gio-2.0)
3510    gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3511    if [ ! -x "$gdbus_codegen" ]; then
3512        gdbus_codegen=
3513    fi
3514    # Check that the libraries actually work -- Ubuntu 18.04 ships
3515    # with pkg-config --static --libs data for gio-2.0 that is missing
3516    # -lblkid and will give a link error.
3517    cat > $TMPC <<EOF
3518#include <gio/gio.h>
3519int main(void)
3520{
3521    g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
3522    return 0;
3523}
3524EOF
3525    if compile_prog "$gio_cflags" "$gio_libs" ; then
3526        gio=yes
3527    else
3528        gio=no
3529    fi
3530else
3531    gio=no
3532fi
3533
3534if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3535    gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3536    gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3537fi
3538
3539# Sanity check that the current size_t matches the
3540# size that glib thinks it should be. This catches
3541# problems on multi-arch where people try to build
3542# 32-bit QEMU while pointing at 64-bit glib headers
3543cat > $TMPC <<EOF
3544#include <glib.h>
3545#include <unistd.h>
3546
3547#define QEMU_BUILD_BUG_ON(x) \
3548  typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3549
3550int main(void) {
3551   QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3552   return 0;
3553}
3554EOF
3555
3556if ! compile_prog "$glib_cflags" "$glib_libs" ; then
3557    error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3558               "You probably need to set PKG_CONFIG_LIBDIR"\
3559	       "to point to the right pkg-config files for your"\
3560	       "build target"
3561fi
3562
3563# Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3564cat > $TMPC << EOF
3565#include <glib.h>
3566int main(void) { return 0; }
3567EOF
3568if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3569    if cc_has_warning_flag "-Wno-unknown-attributes"; then
3570        glib_cflags="-Wno-unknown-attributes $glib_cflags"
3571        CONFIGURE_CFLAGS="-Wno-unknown-attributes $CONFIGURE_CFLAGS"
3572    fi
3573fi
3574
3575# Silence clang warnings triggered by glib < 2.57.2
3576cat > $TMPC << EOF
3577#include <glib.h>
3578typedef struct Foo {
3579    int i;
3580} Foo;
3581static void foo_free(Foo *f)
3582{
3583    g_free(f);
3584}
3585G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
3586int main(void) { return 0; }
3587EOF
3588if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3589    if cc_has_warning_flag "-Wno-unused-function"; then
3590        glib_cflags="$glib_cflags -Wno-unused-function"
3591        CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
3592    fi
3593fi
3594
3595##########################################
3596# SHA command probe for modules
3597if test "$modules" = yes; then
3598    shacmd_probe="sha1sum sha1 shasum"
3599    for c in $shacmd_probe; do
3600        if has $c; then
3601            shacmd="$c"
3602            break
3603        fi
3604    done
3605    if test "$shacmd" = ""; then
3606        error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3607    fi
3608fi
3609
3610##########################################
3611# pthread probe
3612PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3613
3614pthread=no
3615cat > $TMPC << EOF
3616#include <pthread.h>
3617static void *f(void *p) { return NULL; }
3618int main(void) {
3619  pthread_t thread;
3620  pthread_create(&thread, 0, f, 0);
3621  return 0;
3622}
3623EOF
3624if compile_prog "" "" ; then
3625  pthread=yes
3626else
3627  for pthread_lib in $PTHREADLIBS_LIST; do
3628    if compile_prog "" "$pthread_lib" ; then
3629      pthread=yes
3630      found=no
3631      for lib_entry in $LIBS; do
3632        if test "$lib_entry" = "$pthread_lib"; then
3633          found=yes
3634          break
3635        fi
3636      done
3637      if test "$found" = "no"; then
3638        LIBS="$pthread_lib $LIBS"
3639      fi
3640      break
3641    fi
3642  done
3643fi
3644
3645if test "$mingw32" != yes && test "$pthread" = no; then
3646  error_exit "pthread check failed" \
3647      "Make sure to have the pthread libs and headers installed."
3648fi
3649
3650# check for pthread_setname_np with thread id
3651pthread_setname_np_w_tid=no
3652cat > $TMPC << EOF
3653#include <pthread.h>
3654
3655static void *f(void *p) { return NULL; }
3656int main(void)
3657{
3658    pthread_t thread;
3659    pthread_create(&thread, 0, f, 0);
3660    pthread_setname_np(thread, "QEMU");
3661    return 0;
3662}
3663EOF
3664if compile_prog "" "$pthread_lib" ; then
3665  pthread_setname_np_w_tid=yes
3666fi
3667
3668# check for pthread_setname_np without thread id
3669pthread_setname_np_wo_tid=no
3670cat > $TMPC << EOF
3671#include <pthread.h>
3672
3673static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
3674int main(void)
3675{
3676    pthread_t thread;
3677    pthread_create(&thread, 0, f, 0);
3678    return 0;
3679}
3680EOF
3681if compile_prog "" "$pthread_lib" ; then
3682  pthread_setname_np_wo_tid=yes
3683fi
3684
3685##########################################
3686# rbd probe
3687if test "$rbd" != "no" ; then
3688  cat > $TMPC <<EOF
3689#include <stdio.h>
3690#include <rbd/librbd.h>
3691int main(void) {
3692    rados_t cluster;
3693    rados_create(&cluster, NULL);
3694    return 0;
3695}
3696EOF
3697  rbd_libs="-lrbd -lrados"
3698  if compile_prog "" "$rbd_libs" ; then
3699    rbd=yes
3700  else
3701    if test "$rbd" = "yes" ; then
3702      feature_not_found "rados block device" "Install librbd/ceph devel"
3703    fi
3704    rbd=no
3705  fi
3706fi
3707
3708##########################################
3709# libssh probe
3710if test "$libssh" != "no" ; then
3711  if $pkg_config --exists libssh; then
3712    libssh_cflags=$($pkg_config libssh --cflags)
3713    libssh_libs=$($pkg_config libssh --libs)
3714    libssh=yes
3715  else
3716    if test "$libssh" = "yes" ; then
3717      error_exit "libssh required for --enable-libssh"
3718    fi
3719    libssh=no
3720  fi
3721fi
3722
3723##########################################
3724# Check for libssh 0.8
3725# This is done like this instead of using the LIBSSH_VERSION_* and
3726# SSH_VERSION_* macros because some distributions in the past shipped
3727# snapshots of the future 0.8 from Git, and those snapshots did not
3728# have updated version numbers (still referring to 0.7.0).
3729
3730if test "$libssh" = "yes"; then
3731  cat > $TMPC <<EOF
3732#include <libssh/libssh.h>
3733int main(void) { return ssh_get_server_publickey(NULL, NULL); }
3734EOF
3735  if compile_prog "$libssh_cflags" "$libssh_libs"; then
3736    libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
3737  fi
3738fi
3739
3740##########################################
3741# linux-aio probe
3742
3743if test "$linux_aio" != "no" ; then
3744  cat > $TMPC <<EOF
3745#include <libaio.h>
3746#include <sys/eventfd.h>
3747#include <stddef.h>
3748int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3749EOF
3750  if compile_prog "" "-laio" ; then
3751    linux_aio=yes
3752  else
3753    if test "$linux_aio" = "yes" ; then
3754      feature_not_found "linux AIO" "Install libaio devel"
3755    fi
3756    linux_aio=no
3757  fi
3758fi
3759##########################################
3760# linux-io-uring probe
3761
3762if test "$linux_io_uring" != "no" ; then
3763  if $pkg_config liburing; then
3764    linux_io_uring_cflags=$($pkg_config --cflags liburing)
3765    linux_io_uring_libs=$($pkg_config --libs liburing)
3766    linux_io_uring=yes
3767  else
3768    if test "$linux_io_uring" = "yes" ; then
3769      feature_not_found "linux io_uring" "Install liburing devel"
3770    fi
3771    linux_io_uring=no
3772  fi
3773fi
3774
3775##########################################
3776# TPM emulation is only on POSIX
3777
3778if test "$tpm" = ""; then
3779  if test "$mingw32" = "yes"; then
3780    tpm=no
3781  else
3782    tpm=yes
3783  fi
3784elif test "$tpm" = "yes"; then
3785  if test "$mingw32" = "yes" ; then
3786    error_exit "TPM emulation only available on POSIX systems"
3787  fi
3788fi
3789
3790##########################################
3791# attr probe
3792
3793libattr_libs=
3794if test "$attr" != "no" ; then
3795  cat > $TMPC <<EOF
3796#include <stdio.h>
3797#include <sys/types.h>
3798#ifdef CONFIG_LIBATTR
3799#include <attr/xattr.h>
3800#else
3801#include <sys/xattr.h>
3802#endif
3803int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3804EOF
3805  if compile_prog "" "" ; then
3806    attr=yes
3807  # Older distros have <attr/xattr.h>, and need -lattr:
3808  elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3809    attr=yes
3810    libattr_libs="-lattr"
3811    libattr=yes
3812  else
3813    if test "$attr" = "yes" ; then
3814      feature_not_found "ATTR" "Install libc6 or libattr devel"
3815    fi
3816    attr=no
3817  fi
3818fi
3819
3820##########################################
3821# iovec probe
3822cat > $TMPC <<EOF
3823#include <sys/types.h>
3824#include <sys/uio.h>
3825#include <unistd.h>
3826int main(void) { return sizeof(struct iovec); }
3827EOF
3828iovec=no
3829if compile_prog "" "" ; then
3830  iovec=yes
3831fi
3832
3833##########################################
3834# preadv probe
3835cat > $TMPC <<EOF
3836#include <sys/types.h>
3837#include <sys/uio.h>
3838#include <unistd.h>
3839int main(void) { return preadv(0, 0, 0, 0); }
3840EOF
3841preadv=no
3842if compile_prog "" "" ; then
3843  preadv=yes
3844fi
3845
3846##########################################
3847# fdt probe
3848
3849case "$fdt" in
3850  auto | enabled | internal)
3851    # Simpler to always update submodule, even if not needed.
3852    if test -e "${source_path}/.git" && test $git_update = 'yes' ; then
3853      git_submodules="${git_submodules} dtc"
3854    fi
3855    ;;
3856esac
3857
3858##########################################
3859# opengl probe (for sdl2, gtk, milkymist-tmu2)
3860
3861gbm="no"
3862if $pkg_config gbm; then
3863    gbm_cflags="$($pkg_config --cflags gbm)"
3864    gbm_libs="$($pkg_config --libs gbm)"
3865    gbm="yes"
3866fi
3867
3868if test "$opengl" != "no" ; then
3869  opengl_pkgs="epoxy gbm"
3870  if $pkg_config $opengl_pkgs; then
3871    opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
3872    opengl_libs="$($pkg_config --libs $opengl_pkgs)"
3873    opengl=yes
3874    if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3875        gtk_gl="yes"
3876    fi
3877  else
3878    if test "$opengl" = "yes" ; then
3879      feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3880    fi
3881    opengl_cflags=""
3882    opengl_libs=""
3883    opengl=no
3884  fi
3885fi
3886
3887if test "$opengl" = "yes"; then
3888  cat > $TMPC << EOF
3889#include <epoxy/egl.h>
3890#ifndef EGL_MESA_image_dma_buf_export
3891# error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3892#endif
3893int main(void) { return 0; }
3894EOF
3895  if compile_prog "" "" ; then
3896    opengl_dmabuf=yes
3897  fi
3898fi
3899
3900if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
3901  for target in $target_list; do
3902    case $target in
3903      lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
3904        need_x11=yes
3905      ;;
3906    esac
3907  done
3908fi
3909
3910##########################################
3911# libxml2 probe
3912if test "$libxml2" != "no" ; then
3913    if $pkg_config --exists libxml-2.0; then
3914        libxml2="yes"
3915        libxml2_cflags=$($pkg_config --cflags libxml-2.0)
3916        libxml2_libs=$($pkg_config --libs libxml-2.0)
3917    else
3918        if test "$libxml2" = "yes"; then
3919            feature_not_found "libxml2" "Install libxml2 devel"
3920        fi
3921        libxml2="no"
3922    fi
3923fi
3924
3925##########################################
3926# glusterfs probe
3927if test "$glusterfs" != "no" ; then
3928  if $pkg_config --atleast-version=3 glusterfs-api; then
3929    glusterfs="yes"
3930    glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3931    glusterfs_libs=$($pkg_config --libs glusterfs-api)
3932    if $pkg_config --atleast-version=4 glusterfs-api; then
3933      glusterfs_xlator_opt="yes"
3934    fi
3935    if $pkg_config --atleast-version=5 glusterfs-api; then
3936      glusterfs_discard="yes"
3937    fi
3938    if $pkg_config --atleast-version=6 glusterfs-api; then
3939      glusterfs_fallocate="yes"
3940      glusterfs_zerofill="yes"
3941    fi
3942    cat > $TMPC << EOF
3943#include <glusterfs/api/glfs.h>
3944
3945int
3946main(void)
3947{
3948	/* new glfs_ftruncate() passes two additional args */
3949	return glfs_ftruncate(NULL, 0, NULL, NULL);
3950}
3951EOF
3952    if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
3953      glusterfs_ftruncate_has_stat="yes"
3954    fi
3955    cat > $TMPC << EOF
3956#include <glusterfs/api/glfs.h>
3957
3958/* new glfs_io_cbk() passes two additional glfs_stat structs */
3959static void
3960glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
3961{}
3962
3963int
3964main(void)
3965{
3966	glfs_io_cbk iocb = &glusterfs_iocb;
3967	iocb(NULL, 0 , NULL, NULL, NULL);
3968	return 0;
3969}
3970EOF
3971    if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
3972      glusterfs_iocb_has_stat="yes"
3973    fi
3974  else
3975    if test "$glusterfs" = "yes" ; then
3976      feature_not_found "GlusterFS backend support" \
3977          "Install glusterfs-api devel >= 3"
3978    fi
3979    glusterfs="no"
3980  fi
3981fi
3982
3983# Check for inotify functions when we are building linux-user
3984# emulator.  This is done because older glibc versions don't
3985# have syscall stubs for these implemented.  In that case we
3986# don't provide them even if kernel supports them.
3987#
3988inotify=no
3989cat > $TMPC << EOF
3990#include <sys/inotify.h>
3991
3992int
3993main(void)
3994{
3995	/* try to start inotify */
3996	return inotify_init();
3997}
3998EOF
3999if compile_prog "" "" ; then
4000  inotify=yes
4001fi
4002
4003inotify1=no
4004cat > $TMPC << EOF
4005#include <sys/inotify.h>
4006
4007int
4008main(void)
4009{
4010    /* try to start inotify */
4011    return inotify_init1(0);
4012}
4013EOF
4014if compile_prog "" "" ; then
4015  inotify1=yes
4016fi
4017
4018# check if pipe2 is there
4019pipe2=no
4020cat > $TMPC << EOF
4021#include <unistd.h>
4022#include <fcntl.h>
4023
4024int main(void)
4025{
4026    int pipefd[2];
4027    return pipe2(pipefd, O_CLOEXEC);
4028}
4029EOF
4030if compile_prog "" "" ; then
4031  pipe2=yes
4032fi
4033
4034# check if accept4 is there
4035accept4=no
4036cat > $TMPC << EOF
4037#include <sys/socket.h>
4038#include <stddef.h>
4039
4040int main(void)
4041{
4042    accept4(0, NULL, NULL, SOCK_CLOEXEC);
4043    return 0;
4044}
4045EOF
4046if compile_prog "" "" ; then
4047  accept4=yes
4048fi
4049
4050# check if tee/splice is there. vmsplice was added same time.
4051splice=no
4052cat > $TMPC << EOF
4053#include <unistd.h>
4054#include <fcntl.h>
4055#include <limits.h>
4056
4057int main(void)
4058{
4059    int len, fd = 0;
4060    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4061    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4062    return 0;
4063}
4064EOF
4065if compile_prog "" "" ; then
4066  splice=yes
4067fi
4068
4069##########################################
4070# libnuma probe
4071
4072if test "$numa" != "no" ; then
4073  cat > $TMPC << EOF
4074#include <numa.h>
4075int main(void) { return numa_available(); }
4076EOF
4077
4078  if compile_prog "" "-lnuma" ; then
4079    numa=yes
4080    numa_libs="-lnuma"
4081  else
4082    if test "$numa" = "yes" ; then
4083      feature_not_found "numa" "install numactl devel"
4084    fi
4085    numa=no
4086  fi
4087fi
4088
4089malloc=system
4090if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4091    echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4092    exit 1
4093elif test "$tcmalloc" = "yes" ; then
4094    malloc=tcmalloc
4095elif test "$jemalloc" = "yes" ; then
4096    malloc=jemalloc
4097fi
4098
4099##########################################
4100# signalfd probe
4101signalfd="no"
4102cat > $TMPC << EOF
4103#include <unistd.h>
4104#include <sys/syscall.h>
4105#include <signal.h>
4106int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4107EOF
4108
4109if compile_prog "" "" ; then
4110  signalfd=yes
4111fi
4112
4113# check if optreset global is declared by <getopt.h>
4114optreset="no"
4115cat > $TMPC << EOF
4116#include <getopt.h>
4117int main(void) { return optreset; }
4118EOF
4119
4120if compile_prog "" "" ; then
4121  optreset=yes
4122fi
4123
4124# check if eventfd is supported
4125eventfd=no
4126cat > $TMPC << EOF
4127#include <sys/eventfd.h>
4128
4129int main(void)
4130{
4131    return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4132}
4133EOF
4134if compile_prog "" "" ; then
4135  eventfd=yes
4136fi
4137
4138# check if memfd is supported
4139memfd=no
4140cat > $TMPC << EOF
4141#include <sys/mman.h>
4142
4143int main(void)
4144{
4145    return memfd_create("foo", MFD_ALLOW_SEALING);
4146}
4147EOF
4148if compile_prog "" "" ; then
4149  memfd=yes
4150fi
4151
4152# check for usbfs
4153have_usbfs=no
4154if test "$linux_user" = "yes"; then
4155  cat > $TMPC << EOF
4156#include <linux/usbdevice_fs.h>
4157
4158#ifndef USBDEVFS_GET_CAPABILITIES
4159#error "USBDEVFS_GET_CAPABILITIES undefined"
4160#endif
4161
4162#ifndef USBDEVFS_DISCONNECT_CLAIM
4163#error "USBDEVFS_DISCONNECT_CLAIM undefined"
4164#endif
4165
4166int main(void)
4167{
4168    return 0;
4169}
4170EOF
4171  if compile_prog "" ""; then
4172    have_usbfs=yes
4173  fi
4174fi
4175
4176# check for fallocate
4177fallocate=no
4178cat > $TMPC << EOF
4179#include <fcntl.h>
4180
4181int main(void)
4182{
4183    fallocate(0, 0, 0, 0);
4184    return 0;
4185}
4186EOF
4187if compile_prog "" "" ; then
4188  fallocate=yes
4189fi
4190
4191# check for fallocate hole punching
4192fallocate_punch_hole=no
4193cat > $TMPC << EOF
4194#include <fcntl.h>
4195#include <linux/falloc.h>
4196
4197int main(void)
4198{
4199    fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4200    return 0;
4201}
4202EOF
4203if compile_prog "" "" ; then
4204  fallocate_punch_hole=yes
4205fi
4206
4207# check that fallocate supports range zeroing inside the file
4208fallocate_zero_range=no
4209cat > $TMPC << EOF
4210#include <fcntl.h>
4211#include <linux/falloc.h>
4212
4213int main(void)
4214{
4215    fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4216    return 0;
4217}
4218EOF
4219if compile_prog "" "" ; then
4220  fallocate_zero_range=yes
4221fi
4222
4223# check for posix_fallocate
4224posix_fallocate=no
4225cat > $TMPC << EOF
4226#include <fcntl.h>
4227
4228int main(void)
4229{
4230    posix_fallocate(0, 0, 0);
4231    return 0;
4232}
4233EOF
4234if compile_prog "" "" ; then
4235    posix_fallocate=yes
4236fi
4237
4238# check for sync_file_range
4239sync_file_range=no
4240cat > $TMPC << EOF
4241#include <fcntl.h>
4242
4243int main(void)
4244{
4245    sync_file_range(0, 0, 0, 0);
4246    return 0;
4247}
4248EOF
4249if compile_prog "" "" ; then
4250  sync_file_range=yes
4251fi
4252
4253# check for linux/fiemap.h and FS_IOC_FIEMAP
4254fiemap=no
4255cat > $TMPC << EOF
4256#include <sys/ioctl.h>
4257#include <linux/fs.h>
4258#include <linux/fiemap.h>
4259
4260int main(void)
4261{
4262    ioctl(0, FS_IOC_FIEMAP, 0);
4263    return 0;
4264}
4265EOF
4266if compile_prog "" "" ; then
4267  fiemap=yes
4268fi
4269
4270# check for dup3
4271dup3=no
4272cat > $TMPC << EOF
4273#include <unistd.h>
4274
4275int main(void)
4276{
4277    dup3(0, 0, 0);
4278    return 0;
4279}
4280EOF
4281if compile_prog "" "" ; then
4282  dup3=yes
4283fi
4284
4285# check for ppoll support
4286ppoll=no
4287cat > $TMPC << EOF
4288#include <poll.h>
4289
4290int main(void)
4291{
4292    struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4293    ppoll(&pfd, 1, 0, 0);
4294    return 0;
4295}
4296EOF
4297if compile_prog "" "" ; then
4298  ppoll=yes
4299fi
4300
4301# check for prctl(PR_SET_TIMERSLACK , ... ) support
4302prctl_pr_set_timerslack=no
4303cat > $TMPC << EOF
4304#include <sys/prctl.h>
4305
4306int main(void)
4307{
4308    prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4309    return 0;
4310}
4311EOF
4312if compile_prog "" "" ; then
4313  prctl_pr_set_timerslack=yes
4314fi
4315
4316# check for epoll support
4317epoll=no
4318cat > $TMPC << EOF
4319#include <sys/epoll.h>
4320
4321int main(void)
4322{
4323    epoll_create(0);
4324    return 0;
4325}
4326EOF
4327if compile_prog "" "" ; then
4328  epoll=yes
4329fi
4330
4331# epoll_create1 is a later addition
4332# so we must check separately for its presence
4333epoll_create1=no
4334cat > $TMPC << EOF
4335#include <sys/epoll.h>
4336
4337int main(void)
4338{
4339    /* Note that we use epoll_create1 as a value, not as
4340     * a function being called. This is necessary so that on
4341     * old SPARC glibc versions where the function was present in
4342     * the library but not declared in the header file we will
4343     * fail the configure check. (Otherwise we will get a compiler
4344     * warning but not an error, and will proceed to fail the
4345     * qemu compile where we compile with -Werror.)
4346     */
4347    return (int)(uintptr_t)&epoll_create1;
4348}
4349EOF
4350if compile_prog "" "" ; then
4351  epoll_create1=yes
4352fi
4353
4354# check for sendfile support
4355sendfile=no
4356cat > $TMPC << EOF
4357#include <sys/sendfile.h>
4358
4359int main(void)
4360{
4361    return sendfile(0, 0, 0, 0);
4362}
4363EOF
4364if compile_prog "" "" ; then
4365  sendfile=yes
4366fi
4367
4368# check for timerfd support (glibc 2.8 and newer)
4369timerfd=no
4370cat > $TMPC << EOF
4371#include <sys/timerfd.h>
4372
4373int main(void)
4374{
4375    return(timerfd_create(CLOCK_REALTIME, 0));
4376}
4377EOF
4378if compile_prog "" "" ; then
4379  timerfd=yes
4380fi
4381
4382# check for setns and unshare support
4383setns=no
4384cat > $TMPC << EOF
4385#include <sched.h>
4386
4387int main(void)
4388{
4389    int ret;
4390    ret = setns(0, 0);
4391    ret = unshare(0);
4392    return ret;
4393}
4394EOF
4395if compile_prog "" "" ; then
4396  setns=yes
4397fi
4398
4399# clock_adjtime probe
4400clock_adjtime=no
4401cat > $TMPC <<EOF
4402#include <time.h>
4403
4404int main(void)
4405{
4406    return clock_adjtime(0, 0);
4407}
4408EOF
4409clock_adjtime=no
4410if compile_prog "" "" ; then
4411  clock_adjtime=yes
4412fi
4413
4414# syncfs probe
4415syncfs=no
4416cat > $TMPC <<EOF
4417#include <unistd.h>
4418
4419int main(void)
4420{
4421    return syncfs(0);
4422}
4423EOF
4424syncfs=no
4425if compile_prog "" "" ; then
4426  syncfs=yes
4427fi
4428
4429# check for kcov support (kernel must be 4.4+, compiled with certain options)
4430kcov=no
4431if check_include sys/kcov.h ; then
4432    kcov=yes
4433fi
4434
4435# check for btrfs filesystem support (kernel must be 3.9+)
4436btrfs=no
4437if check_include linux/btrfs.h ; then
4438    btrfs=yes
4439fi
4440
4441# Search for bswap_32 function
4442byteswap_h=no
4443cat > $TMPC << EOF
4444#include <byteswap.h>
4445int main(void) { return bswap_32(0); }
4446EOF
4447if compile_prog "" "" ; then
4448  byteswap_h=yes
4449fi
4450
4451# Search for bswap32 function
4452bswap_h=no
4453cat > $TMPC << EOF
4454#include <sys/endian.h>
4455#include <sys/types.h>
4456#include <machine/bswap.h>
4457int main(void) { return bswap32(0); }
4458EOF
4459if compile_prog "" "" ; then
4460  bswap_h=yes
4461fi
4462
4463##########################################
4464# Do we have libiscsi >= 1.9.0
4465if test "$libiscsi" != "no" ; then
4466  if $pkg_config --atleast-version=1.9.0 libiscsi; then
4467    libiscsi="yes"
4468    libiscsi_cflags=$($pkg_config --cflags libiscsi)
4469    libiscsi_libs=$($pkg_config --libs libiscsi)
4470  else
4471    if test "$libiscsi" = "yes" ; then
4472      feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4473    fi
4474    libiscsi="no"
4475  fi
4476fi
4477
4478##########################################
4479# Do we need librt
4480# uClibc provides 2 versions of clock_gettime(), one with realtime
4481# support and one without. This means that the clock_gettime() don't
4482# need -lrt. We still need it for timer_create() so we check for this
4483# function in addition.
4484cat > $TMPC <<EOF
4485#include <signal.h>
4486#include <time.h>
4487int main(void) {
4488  timer_create(CLOCK_REALTIME, NULL, NULL);
4489  return clock_gettime(CLOCK_REALTIME, NULL);
4490}
4491EOF
4492
4493if compile_prog "" "" ; then
4494  :
4495# we need pthread for static linking. use previous pthread test result
4496elif compile_prog "" "$pthread_lib -lrt" ; then
4497  LIBS="$LIBS -lrt"
4498fi
4499
4500# Check whether we have openpty() in either libc or libutil
4501cat > $TMPC << EOF
4502extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4503int main(void) { return openpty(0, 0, 0, 0, 0); }
4504EOF
4505
4506have_openpty="no"
4507if compile_prog "" "" ; then
4508  have_openpty="yes"
4509else
4510  if compile_prog "" "-lutil" ; then
4511    have_openpty="yes"
4512  fi
4513fi
4514
4515##########################################
4516# spice probe
4517if test "$spice" != "no" ; then
4518  cat > $TMPC << EOF
4519#include <spice.h>
4520int main(void) { spice_server_new(); return 0; }
4521EOF
4522  spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4523  spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4524  if $pkg_config --atleast-version=0.12.5 spice-server && \
4525     $pkg_config --atleast-version=0.12.3 spice-protocol && \
4526     compile_prog "$spice_cflags" "$spice_libs" ; then
4527    spice="yes"
4528  else
4529    if test "$spice" = "yes" ; then
4530      feature_not_found "spice" \
4531          "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4532    fi
4533    spice="no"
4534  fi
4535fi
4536
4537# check for smartcard support
4538if test "$smartcard" != "no"; then
4539    if $pkg_config --atleast-version=2.5.1 libcacard; then
4540        libcacard_cflags=$($pkg_config --cflags libcacard)
4541        libcacard_libs=$($pkg_config --libs libcacard)
4542        smartcard="yes"
4543    else
4544        if test "$smartcard" = "yes"; then
4545            feature_not_found "smartcard" "Install libcacard devel"
4546        fi
4547        smartcard="no"
4548    fi
4549fi
4550
4551# check for libusb
4552if test "$libusb" != "no" ; then
4553    if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4554        libusb="yes"
4555        libusb_cflags=$($pkg_config --cflags libusb-1.0)
4556        libusb_libs=$($pkg_config --libs libusb-1.0)
4557    else
4558        if test "$libusb" = "yes"; then
4559            feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4560        fi
4561        libusb="no"
4562    fi
4563fi
4564
4565# check for usbredirparser for usb network redirection support
4566if test "$usb_redir" != "no" ; then
4567    if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4568        usb_redir="yes"
4569        usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4570        usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4571    else
4572        if test "$usb_redir" = "yes"; then
4573            feature_not_found "usb-redir" "Install usbredir devel"
4574        fi
4575        usb_redir="no"
4576    fi
4577fi
4578
4579##########################################
4580# check if we have VSS SDK headers for win
4581
4582if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4583        test "$vss_win32_sdk" != "no" ; then
4584  case "$vss_win32_sdk" in
4585    "")   vss_win32_include="-isystem $source_path" ;;
4586    *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4587          # handle path with spaces. So we symlink the headers into ".sdk/vss".
4588          vss_win32_include="-isystem $source_path/.sdk/vss"
4589	  symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4590	  ;;
4591    *)    vss_win32_include="-isystem $vss_win32_sdk"
4592  esac
4593  cat > $TMPC << EOF
4594#define __MIDL_user_allocate_free_DEFINED__
4595#include <inc/win2003/vss.h>
4596int main(void) { return VSS_CTX_BACKUP; }
4597EOF
4598  if compile_prog "$vss_win32_include" "" ; then
4599    guest_agent_with_vss="yes"
4600    QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4601    libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4602    qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4603  else
4604    if test "$vss_win32_sdk" != "" ; then
4605      echo "ERROR: Please download and install Microsoft VSS SDK:"
4606      echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4607      echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4608      echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4609      echo "ERROR: The headers are extracted in the directory \`inc'."
4610      feature_not_found "VSS support"
4611    fi
4612    guest_agent_with_vss="no"
4613  fi
4614fi
4615
4616##########################################
4617# lookup Windows platform SDK (if not specified)
4618# The SDK is needed only to build .tlb (type library) file of guest agent
4619# VSS provider from the source. It is usually unnecessary because the
4620# pre-compiled .tlb file is included.
4621
4622if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4623        test "$guest_agent_with_vss" = "yes" ; then
4624  if test -z "$win_sdk"; then
4625    programfiles="$PROGRAMFILES"
4626    test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4627    if test -n "$programfiles"; then
4628      win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4629    else
4630      feature_not_found "Windows SDK"
4631    fi
4632  elif test "$win_sdk" = "no"; then
4633    win_sdk=""
4634  fi
4635fi
4636
4637##########################################
4638# check if mingw environment provides a recent ntddscsi.h
4639if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4640  cat > $TMPC << EOF
4641#include <windows.h>
4642#include <ntddscsi.h>
4643int main(void) {
4644#if !defined(IOCTL_SCSI_GET_ADDRESS)
4645#error Missing required ioctl definitions
4646#endif
4647  SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4648  return addr.Lun;
4649}
4650EOF
4651  if compile_prog "" "" ; then
4652    guest_agent_ntddscsi=yes
4653    libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
4654  fi
4655fi
4656
4657##########################################
4658# virgl renderer probe
4659
4660if test "$virglrenderer" != "no" ; then
4661  cat > $TMPC << EOF
4662#include <virglrenderer.h>
4663int main(void) { virgl_renderer_poll(); return 0; }
4664EOF
4665  virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4666  virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4667  virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
4668  if $pkg_config virglrenderer >/dev/null 2>&1 && \
4669     compile_prog "$virgl_cflags" "$virgl_libs" ; then
4670    virglrenderer="yes"
4671  else
4672    if test "$virglrenderer" = "yes" ; then
4673      feature_not_found "virglrenderer"
4674    fi
4675    virglrenderer="no"
4676  fi
4677fi
4678
4679##########################################
4680# capstone
4681
4682case "$capstone" in
4683  auto | enabled | internal)
4684    # Simpler to always update submodule, even if not needed.
4685    if test -e "${source_path}/.git" && test $git_update = 'yes' ; then
4686      git_submodules="${git_submodules} capstone"
4687    fi
4688    ;;
4689esac
4690
4691##########################################
4692# check if we have fdatasync
4693
4694fdatasync=no
4695cat > $TMPC << EOF
4696#include <unistd.h>
4697int main(void) {
4698#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4699return fdatasync(0);
4700#else
4701#error Not supported
4702#endif
4703}
4704EOF
4705if compile_prog "" "" ; then
4706    fdatasync=yes
4707fi
4708
4709##########################################
4710# check if we have madvise
4711
4712madvise=no
4713cat > $TMPC << EOF
4714#include <sys/types.h>
4715#include <sys/mman.h>
4716#include <stddef.h>
4717int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4718EOF
4719if compile_prog "" "" ; then
4720    madvise=yes
4721fi
4722
4723##########################################
4724# check if we have posix_madvise
4725
4726posix_madvise=no
4727cat > $TMPC << EOF
4728#include <sys/mman.h>
4729#include <stddef.h>
4730int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4731EOF
4732if compile_prog "" "" ; then
4733    posix_madvise=yes
4734fi
4735
4736##########################################
4737# check if we have posix_memalign()
4738
4739posix_memalign=no
4740cat > $TMPC << EOF
4741#include <stdlib.h>
4742int main(void) {
4743    void *p;
4744    return posix_memalign(&p, 8, 8);
4745}
4746EOF
4747if compile_prog "" "" ; then
4748    posix_memalign=yes
4749fi
4750
4751##########################################
4752# check if we have posix_syslog
4753
4754posix_syslog=no
4755cat > $TMPC << EOF
4756#include <syslog.h>
4757int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4758EOF
4759if compile_prog "" "" ; then
4760    posix_syslog=yes
4761fi
4762
4763##########################################
4764# check if we have sem_timedwait
4765
4766sem_timedwait=no
4767cat > $TMPC << EOF
4768#include <semaphore.h>
4769int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
4770EOF
4771if compile_prog "" "" ; then
4772    sem_timedwait=yes
4773fi
4774
4775##########################################
4776# check if we have strchrnul
4777
4778strchrnul=no
4779cat > $TMPC << EOF
4780#include <string.h>
4781int main(void);
4782// Use a haystack that the compiler shouldn't be able to constant fold
4783char *haystack = (char*)&main;
4784int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
4785EOF
4786if compile_prog "" "" ; then
4787    strchrnul=yes
4788fi
4789
4790#########################################
4791# check if we have st_atim
4792
4793st_atim=no
4794cat > $TMPC << EOF
4795#include <sys/stat.h>
4796#include <stddef.h>
4797int main(void) { return offsetof(struct stat, st_atim); }
4798EOF
4799if compile_prog "" "" ; then
4800    st_atim=yes
4801fi
4802
4803##########################################
4804# check if trace backend exists
4805
4806$python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4807if test "$?" -ne 0 ; then
4808  error_exit "invalid trace backends" \
4809      "Please choose supported trace backends."
4810fi
4811
4812##########################################
4813# For 'ust' backend, test if ust headers are present
4814if have_backend "ust"; then
4815  cat > $TMPC << EOF
4816#include <lttng/tracepoint.h>
4817int main(void) { return 0; }
4818EOF
4819  if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4820    if $pkg_config lttng-ust --exists; then
4821      lttng_ust_libs=$($pkg_config --libs lttng-ust)
4822    else
4823      lttng_ust_libs="-llttng-ust -ldl"
4824    fi
4825    if $pkg_config liburcu-bp --exists; then
4826      urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4827    else
4828      urcu_bp_libs="-lurcu-bp"
4829    fi
4830  else
4831    error_exit "Trace backend 'ust' missing lttng-ust header files"
4832  fi
4833fi
4834
4835##########################################
4836# For 'dtrace' backend, test if 'dtrace' command is present
4837if have_backend "dtrace"; then
4838  if ! has 'dtrace' ; then
4839    error_exit "dtrace command is not found in PATH $PATH"
4840  fi
4841  trace_backend_stap="no"
4842  if has 'stap' ; then
4843    trace_backend_stap="yes"
4844
4845    # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
4846    # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
4847    # instead. QEMU --enable-modules depends on this because the SystemTap
4848    # semaphores are linked into the main binary and not the module's shared
4849    # object.
4850    QEMU_CFLAGS="$QEMU_CFLAGS -DSTAP_SDT_V2"
4851  fi
4852fi
4853
4854##########################################
4855# check and set a backend for coroutine
4856
4857# We prefer ucontext, but it's not always possible. The fallback
4858# is sigcontext. On Windows the only valid backend is the Windows
4859# specific one.
4860
4861ucontext_works=no
4862if test "$darwin" != "yes"; then
4863  cat > $TMPC << EOF
4864#include <ucontext.h>
4865#ifdef __stub_makecontext
4866#error Ignoring glibc stub makecontext which will always fail
4867#endif
4868int main(void) { makecontext(0, 0, 0); return 0; }
4869EOF
4870  if compile_prog "" "" ; then
4871    ucontext_works=yes
4872  fi
4873fi
4874
4875if test "$coroutine" = ""; then
4876  if test "$mingw32" = "yes"; then
4877    coroutine=win32
4878  elif test "$ucontext_works" = "yes"; then
4879    coroutine=ucontext
4880  else
4881    coroutine=sigaltstack
4882  fi
4883else
4884  case $coroutine in
4885  windows)
4886    if test "$mingw32" != "yes"; then
4887      error_exit "'windows' coroutine backend only valid for Windows"
4888    fi
4889    # Unfortunately the user visible backend name doesn't match the
4890    # coroutine-*.c filename for this case, so we have to adjust it here.
4891    coroutine=win32
4892    ;;
4893  ucontext)
4894    if test "$ucontext_works" != "yes"; then
4895      feature_not_found "ucontext"
4896    fi
4897    ;;
4898  sigaltstack)
4899    if test "$mingw32" = "yes"; then
4900      error_exit "only the 'windows' coroutine backend is valid for Windows"
4901    fi
4902    ;;
4903  *)
4904    error_exit "unknown coroutine backend $coroutine"
4905    ;;
4906  esac
4907fi
4908
4909if test "$coroutine_pool" = ""; then
4910  coroutine_pool=yes
4911fi
4912
4913if test "$debug_stack_usage" = "yes"; then
4914  if test "$coroutine_pool" = "yes"; then
4915    echo "WARN: disabling coroutine pool for stack usage debugging"
4916    coroutine_pool=no
4917  fi
4918fi
4919
4920##################################################
4921# SafeStack
4922
4923
4924if test "$safe_stack" = "yes"; then
4925cat > $TMPC << EOF
4926int main(int argc, char *argv[])
4927{
4928#if ! __has_feature(safe_stack)
4929#error SafeStack Disabled
4930#endif
4931    return 0;
4932}
4933EOF
4934  flag="-fsanitize=safe-stack"
4935  # Check that safe-stack is supported and enabled.
4936  if compile_prog "-Werror $flag" "$flag"; then
4937    # Flag needed both at compilation and at linking
4938    QEMU_CFLAGS="$QEMU_CFLAGS $flag"
4939    QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
4940  else
4941    error_exit "SafeStack not supported by your compiler"
4942  fi
4943  if test "$coroutine" != "ucontext"; then
4944    error_exit "SafeStack is only supported by the coroutine backend ucontext"
4945  fi
4946else
4947cat > $TMPC << EOF
4948int main(int argc, char *argv[])
4949{
4950#if defined(__has_feature)
4951#if __has_feature(safe_stack)
4952#error SafeStack Enabled
4953#endif
4954#endif
4955    return 0;
4956}
4957EOF
4958if test "$safe_stack" = "no"; then
4959  # Make sure that safe-stack is disabled
4960  if ! compile_prog "-Werror" ""; then
4961    # SafeStack was already enabled, try to explicitly remove the feature
4962    flag="-fno-sanitize=safe-stack"
4963    if ! compile_prog "-Werror $flag" "$flag"; then
4964      error_exit "Configure cannot disable SafeStack"
4965    fi
4966    QEMU_CFLAGS="$QEMU_CFLAGS $flag"
4967    QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
4968  fi
4969else # "$safe_stack" = ""
4970  # Set safe_stack to yes or no based on pre-existing flags
4971  if compile_prog "-Werror" ""; then
4972    safe_stack="no"
4973  else
4974    safe_stack="yes"
4975    if test "$coroutine" != "ucontext"; then
4976      error_exit "SafeStack is only supported by the coroutine backend ucontext"
4977    fi
4978  fi
4979fi
4980fi
4981
4982##########################################
4983# check if we have open_by_handle_at
4984
4985open_by_handle_at=no
4986cat > $TMPC << EOF
4987#include <fcntl.h>
4988#if !defined(AT_EMPTY_PATH)
4989# error missing definition
4990#else
4991int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4992#endif
4993EOF
4994if compile_prog "" "" ; then
4995    open_by_handle_at=yes
4996fi
4997
4998########################################
4999# check if we have linux/magic.h
5000
5001linux_magic_h=no
5002cat > $TMPC << EOF
5003#include <linux/magic.h>
5004int main(void) {
5005  return 0;
5006}
5007EOF
5008if compile_prog "" "" ; then
5009    linux_magic_h=yes
5010fi
5011
5012########################################
5013# check if we have valgrind/valgrind.h
5014
5015valgrind_h=no
5016cat > $TMPC << EOF
5017#include <valgrind/valgrind.h>
5018int main(void) {
5019  return 0;
5020}
5021EOF
5022if compile_prog "" "" ; then
5023    valgrind_h=yes
5024fi
5025
5026########################################
5027# check if environ is declared
5028
5029has_environ=no
5030cat > $TMPC << EOF
5031#include <unistd.h>
5032int main(void) {
5033    environ = 0;
5034    return 0;
5035}
5036EOF
5037if compile_prog "" "" ; then
5038    has_environ=yes
5039fi
5040
5041########################################
5042# check if cpuid.h is usable.
5043
5044cat > $TMPC << EOF
5045#include <cpuid.h>
5046int main(void) {
5047    unsigned a, b, c, d;
5048    int max = __get_cpuid_max(0, 0);
5049
5050    if (max >= 1) {
5051        __cpuid(1, a, b, c, d);
5052    }
5053
5054    if (max >= 7) {
5055        __cpuid_count(7, 0, a, b, c, d);
5056    }
5057
5058    return 0;
5059}
5060EOF
5061if compile_prog "" "" ; then
5062    cpuid_h=yes
5063fi
5064
5065##########################################
5066# avx2 optimization requirement check
5067#
5068# There is no point enabling this if cpuid.h is not usable,
5069# since we won't be able to select the new routines.
5070
5071if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5072  cat > $TMPC << EOF
5073#pragma GCC push_options
5074#pragma GCC target("avx2")
5075#include <cpuid.h>
5076#include <immintrin.h>
5077static int bar(void *a) {
5078    __m256i x = *(__m256i *)a;
5079    return _mm256_testz_si256(x, x);
5080}
5081int main(int argc, char *argv[]) { return bar(argv[0]); }
5082EOF
5083  if compile_object "" ; then
5084    avx2_opt="yes"
5085  else
5086    avx2_opt="no"
5087  fi
5088fi
5089
5090##########################################
5091# avx512f optimization requirement check
5092#
5093# There is no point enabling this if cpuid.h is not usable,
5094# since we won't be able to select the new routines.
5095# by default, it is turned off.
5096# if user explicitly want to enable it, check environment
5097
5098if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5099  cat > $TMPC << EOF
5100#pragma GCC push_options
5101#pragma GCC target("avx512f")
5102#include <cpuid.h>
5103#include <immintrin.h>
5104static int bar(void *a) {
5105    __m512i x = *(__m512i *)a;
5106    return _mm512_test_epi64_mask(x, x);
5107}
5108int main(int argc, char *argv[])
5109{
5110	return bar(argv[0]);
5111}
5112EOF
5113  if ! compile_object "" ; then
5114    avx512f_opt="no"
5115  fi
5116else
5117  avx512f_opt="no"
5118fi
5119
5120########################################
5121# check if __[u]int128_t is usable.
5122
5123int128=no
5124cat > $TMPC << EOF
5125__int128_t a;
5126__uint128_t b;
5127int main (void) {
5128  a = a + b;
5129  b = a * b;
5130  a = a * a;
5131  return 0;
5132}
5133EOF
5134if compile_prog "" "" ; then
5135    int128=yes
5136fi
5137
5138#########################################
5139# See if 128-bit atomic operations are supported.
5140
5141atomic128=no
5142if test "$int128" = "yes"; then
5143  cat > $TMPC << EOF
5144int main(void)
5145{
5146  unsigned __int128 x = 0, y = 0;
5147  y = __atomic_load_16(&x, 0);
5148  __atomic_store_16(&x, y, 0);
5149  __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5150  return 0;
5151}
5152EOF
5153  if compile_prog "" "" ; then
5154    atomic128=yes
5155  fi
5156fi
5157
5158cmpxchg128=no
5159if test "$int128" = yes && test "$atomic128" = no; then
5160  cat > $TMPC << EOF
5161int main(void)
5162{
5163  unsigned __int128 x = 0, y = 0;
5164  __sync_val_compare_and_swap_16(&x, y, x);
5165  return 0;
5166}
5167EOF
5168  if compile_prog "" "" ; then
5169    cmpxchg128=yes
5170  fi
5171fi
5172
5173#########################################
5174# See if 64-bit atomic operations are supported.
5175# Note that without __atomic builtins, we can only
5176# assume atomic loads/stores max at pointer size.
5177
5178cat > $TMPC << EOF
5179#include <stdint.h>
5180int main(void)
5181{
5182  uint64_t x = 0, y = 0;
5183#ifdef __ATOMIC_RELAXED
5184  y = __atomic_load_n(&x, __ATOMIC_RELAXED);
5185  __atomic_store_n(&x, y, __ATOMIC_RELAXED);
5186  __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
5187  __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
5188  __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
5189#else
5190  typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5191  __sync_lock_test_and_set(&x, y);
5192  __sync_val_compare_and_swap(&x, y, 0);
5193  __sync_fetch_and_add(&x, y);
5194#endif
5195  return 0;
5196}
5197EOF
5198if compile_prog "" "" ; then
5199  atomic64=yes
5200fi
5201
5202#########################################
5203# See if --dynamic-list is supported by the linker
5204ld_dynamic_list="no"
5205if test "$static" = "no" ; then
5206    cat > $TMPTXT <<EOF
5207{
5208  foo;
5209};
5210EOF
5211
5212    cat > $TMPC <<EOF
5213#include <stdio.h>
5214void foo(void);
5215
5216void foo(void)
5217{
5218  printf("foo\n");
5219}
5220
5221int main(void)
5222{
5223  foo();
5224  return 0;
5225}
5226EOF
5227
5228    if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5229        ld_dynamic_list="yes"
5230    fi
5231fi
5232
5233#########################################
5234# See if -exported_symbols_list is supported by the linker
5235
5236ld_exported_symbols_list="no"
5237if test "$static" = "no" ; then
5238    cat > $TMPTXT <<EOF
5239  _foo
5240EOF
5241
5242    if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5243        ld_exported_symbols_list="yes"
5244    fi
5245fi
5246
5247if  test "$plugins" = "yes" &&
5248    test "$ld_dynamic_list" = "no" &&
5249    test "$ld_exported_symbols_list" = "no" ; then
5250  error_exit \
5251      "Plugin support requires dynamic linking and specifying a set of symbols " \
5252      "that are exported to plugins. Unfortunately your linker doesn't " \
5253      "support the flag (--dynamic-list or -exported_symbols_list) used " \
5254      "for this purpose. You can't build with --static."
5255fi
5256
5257########################################
5258# See if __attribute__((alias)) is supported.
5259# This false for Xcode 9, but has been remedied for Xcode 10.
5260# Unfortunately, travis uses Xcode 9 by default.
5261
5262attralias=no
5263cat > $TMPC << EOF
5264int x = 1;
5265extern const int y __attribute__((alias("x")));
5266int main(void) { return 0; }
5267EOF
5268if compile_prog "" "" ; then
5269    attralias=yes
5270fi
5271
5272########################################
5273# check if getauxval is available.
5274
5275getauxval=no
5276cat > $TMPC << EOF
5277#include <sys/auxv.h>
5278int main(void) {
5279  return getauxval(AT_HWCAP) == 0;
5280}
5281EOF
5282if compile_prog "" "" ; then
5283    getauxval=yes
5284fi
5285
5286########################################
5287# check if ccache is interfering with
5288# semantic analysis of macros
5289
5290unset CCACHE_CPP2
5291ccache_cpp2=no
5292cat > $TMPC << EOF
5293static const int Z = 1;
5294#define fn() ({ Z; })
5295#define TAUT(X) ((X) == Z)
5296#define PAREN(X, Y) (X == Y)
5297#define ID(X) (X)
5298int main(int argc, char *argv[])
5299{
5300    int x = 0, y = 0;
5301    x = ID(x);
5302    x = fn();
5303    fn();
5304    if (PAREN(x, y)) return 0;
5305    if (TAUT(Z)) return 0;
5306    return 0;
5307}
5308EOF
5309
5310if ! compile_object "-Werror"; then
5311    ccache_cpp2=yes
5312fi
5313
5314#################################################
5315# clang does not support glibc + FORTIFY_SOURCE.
5316
5317if test "$fortify_source" != "no"; then
5318  if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5319    fortify_source="no";
5320  elif test -n "$cxx" && has $cxx &&
5321       echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5322    fortify_source="no";
5323  else
5324    fortify_source="yes"
5325  fi
5326fi
5327
5328###############################################
5329# Check if copy_file_range is provided by glibc
5330have_copy_file_range=no
5331cat > $TMPC << EOF
5332#include <unistd.h>
5333int main(void) {
5334  copy_file_range(0, NULL, 0, NULL, 0, 0);
5335  return 0;
5336}
5337EOF
5338if compile_prog "" "" ; then
5339    have_copy_file_range=yes
5340fi
5341
5342##########################################
5343# check if struct fsxattr is available via linux/fs.h
5344
5345have_fsxattr=no
5346cat > $TMPC << EOF
5347#include <linux/fs.h>
5348struct fsxattr foo;
5349int main(void) {
5350  return 0;
5351}
5352EOF
5353if compile_prog "" "" ; then
5354    have_fsxattr=yes
5355fi
5356
5357##########################################
5358# check for usable membarrier system call
5359if test "$membarrier" = "yes"; then
5360    have_membarrier=no
5361    if test "$mingw32" = "yes" ; then
5362        have_membarrier=yes
5363    elif test "$linux" = "yes" ; then
5364        cat > $TMPC << EOF
5365    #include <linux/membarrier.h>
5366    #include <sys/syscall.h>
5367    #include <unistd.h>
5368    #include <stdlib.h>
5369    int main(void) {
5370        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5371        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5372	exit(0);
5373    }
5374EOF
5375        if compile_prog "" "" ; then
5376            have_membarrier=yes
5377        fi
5378    fi
5379    if test "$have_membarrier" = "no"; then
5380      feature_not_found "membarrier" "membarrier system call not available"
5381    fi
5382else
5383    # Do not enable it by default even for Mingw32, because it doesn't
5384    # work on Wine.
5385    membarrier=no
5386fi
5387
5388##########################################
5389# check if rtnetlink.h exists and is useful
5390have_rtnetlink=no
5391cat > $TMPC << EOF
5392#include <linux/rtnetlink.h>
5393int main(void) {
5394  return IFLA_PROTO_DOWN;
5395}
5396EOF
5397if compile_prog "" "" ; then
5398    have_rtnetlink=yes
5399fi
5400
5401##########################################
5402# check for usable AF_VSOCK environment
5403have_af_vsock=no
5404cat > $TMPC << EOF
5405#include <errno.h>
5406#include <sys/types.h>
5407#include <sys/socket.h>
5408#if !defined(AF_VSOCK)
5409# error missing AF_VSOCK flag
5410#endif
5411#include <linux/vm_sockets.h>
5412int main(void) {
5413    int sock, ret;
5414    struct sockaddr_vm svm;
5415    socklen_t len = sizeof(svm);
5416    sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5417    ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5418    if ((ret == -1) && (errno == ENOTCONN)) {
5419        return 0;
5420    }
5421    return -1;
5422}
5423EOF
5424if compile_prog "" "" ; then
5425    have_af_vsock=yes
5426fi
5427
5428##########################################
5429# check for usable AF_ALG environment
5430have_afalg=no
5431cat > $TMPC << EOF
5432#include <errno.h>
5433#include <sys/types.h>
5434#include <sys/socket.h>
5435#include <linux/if_alg.h>
5436int main(void) {
5437    int sock;
5438    sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5439    return sock;
5440}
5441EOF
5442if compile_prog "" "" ; then
5443    have_afalg=yes
5444fi
5445if test "$crypto_afalg" = "yes"
5446then
5447    if test "$have_afalg" != "yes"
5448    then
5449	error_exit "AF_ALG requested but could not be detected"
5450    fi
5451fi
5452
5453
5454#################################################
5455# check for sysmacros.h
5456
5457have_sysmacros=no
5458cat > $TMPC << EOF
5459#include <sys/sysmacros.h>
5460int main(void) {
5461    return makedev(0, 0);
5462}
5463EOF
5464if compile_prog "" "" ; then
5465    have_sysmacros=yes
5466fi
5467
5468##########################################
5469# check for _Static_assert()
5470
5471have_static_assert=no
5472cat > $TMPC << EOF
5473_Static_assert(1, "success");
5474int main(void) {
5475    return 0;
5476}
5477EOF
5478if compile_prog "" "" ; then
5479    have_static_assert=yes
5480fi
5481
5482##########################################
5483# check for utmpx.h, it is missing e.g. on OpenBSD
5484
5485have_utmpx=no
5486cat > $TMPC << EOF
5487#include <utmpx.h>
5488struct utmpx user_info;
5489int main(void) {
5490    return 0;
5491}
5492EOF
5493if compile_prog "" "" ; then
5494    have_utmpx=yes
5495fi
5496
5497##########################################
5498# check for getrandom()
5499
5500have_getrandom=no
5501cat > $TMPC << EOF
5502#include <sys/random.h>
5503int main(void) {
5504    return getrandom(0, 0, GRND_NONBLOCK);
5505}
5506EOF
5507if compile_prog "" "" ; then
5508    have_getrandom=yes
5509fi
5510
5511##########################################
5512# checks for sanitizers
5513
5514have_asan=no
5515have_ubsan=no
5516have_asan_iface_h=no
5517have_asan_iface_fiber=no
5518
5519if test "$sanitizers" = "yes" ; then
5520  write_c_skeleton
5521  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5522      have_asan=yes
5523  fi
5524
5525  # we could use a simple skeleton for flags checks, but this also
5526  # detect the static linking issue of ubsan, see also:
5527  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5528  cat > $TMPC << EOF
5529#include <stdlib.h>
5530int main(void) {
5531    void *tmp = malloc(10);
5532    if (tmp != NULL) {
5533        return *(int *)(tmp + 2);
5534    }
5535    return 1;
5536}
5537EOF
5538  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5539      have_ubsan=yes
5540  fi
5541
5542  if check_include "sanitizer/asan_interface.h" ; then
5543      have_asan_iface_h=yes
5544  fi
5545
5546  cat > $TMPC << EOF
5547#include <sanitizer/asan_interface.h>
5548int main(void) {
5549  __sanitizer_start_switch_fiber(0, 0, 0);
5550  return 0;
5551}
5552EOF
5553  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5554      have_asan_iface_fiber=yes
5555  fi
5556fi
5557
5558##########################################
5559# checks for fuzzer
5560if test "$fuzzing" = "yes" && test -z "${LIB_FUZZING_ENGINE+xxx}"; then
5561  write_c_fuzzer_skeleton
5562  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
5563    have_fuzzer=yes
5564  else
5565    error_exit "Your compiler doesn't support -fsanitize=fuzzer"
5566    exit 1
5567  fi
5568fi
5569
5570# Thread sanitizer is, for now, much noisier than the other sanitizers;
5571# keep it separate until that is not the case.
5572if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
5573  error_exit "TSAN is not supported with other sanitiziers."
5574fi
5575have_tsan=no
5576have_tsan_iface_fiber=no
5577if test "$tsan" = "yes" ; then
5578  write_c_skeleton
5579  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
5580      have_tsan=yes
5581  fi
5582  cat > $TMPC << EOF
5583#include <sanitizer/tsan_interface.h>
5584int main(void) {
5585  __tsan_create_fiber(0);
5586  return 0;
5587}
5588EOF
5589  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
5590      have_tsan_iface_fiber=yes
5591  fi
5592fi
5593
5594##########################################
5595# check for libpmem
5596
5597if test "$libpmem" != "no"; then
5598	if $pkg_config --exists "libpmem"; then
5599		libpmem="yes"
5600		libpmem_libs=$($pkg_config --libs libpmem)
5601		libpmem_cflags=$($pkg_config --cflags libpmem)
5602	else
5603		if test "$libpmem" = "yes" ; then
5604			feature_not_found "libpmem" "Install nvml or pmdk"
5605		fi
5606		libpmem="no"
5607	fi
5608fi
5609
5610##########################################
5611# check for libdaxctl
5612
5613if test "$libdaxctl" != "no"; then
5614	if $pkg_config --atleast-version=57 "libdaxctl"; then
5615		libdaxctl="yes"
5616		libdaxctl_libs=$($pkg_config --libs libdaxctl)
5617		libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
5618	else
5619		if test "$libdaxctl" = "yes" ; then
5620			feature_not_found "libdaxctl" "Install libdaxctl"
5621		fi
5622		libdaxctl="no"
5623	fi
5624fi
5625
5626##########################################
5627# check for slirp
5628
5629case "$slirp" in
5630  auto | enabled | internal)
5631    # Simpler to always update submodule, even if not needed.
5632    if test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5633      git_submodules="${git_submodules} slirp"
5634    fi
5635    ;;
5636esac
5637
5638##########################################
5639# check for usable __NR_keyctl syscall
5640
5641if test "$linux" = "yes" ; then
5642
5643    have_keyring=no
5644    cat > $TMPC << EOF
5645#include <errno.h>
5646#include <asm/unistd.h>
5647#include <linux/keyctl.h>
5648#include <unistd.h>
5649int main(void) {
5650    return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
5651}
5652EOF
5653    if compile_prog "" "" ; then
5654        have_keyring=yes
5655    fi
5656fi
5657if test "$secret_keyring" != "no"
5658then
5659    if test "$have_keyring" = "yes"
5660    then
5661	secret_keyring=yes
5662    else
5663	if test "$secret_keyring" = "yes"
5664	then
5665	    error_exit "syscall __NR_keyctl requested, \
5666but not implemented on your system"
5667	else
5668	    secret_keyring=no
5669	fi
5670    fi
5671fi
5672
5673##########################################
5674# End of CC checks
5675# After here, no more $cc or $ld runs
5676
5677write_c_skeleton
5678
5679if test "$gcov" = "yes" ; then
5680  :
5681elif test "$fortify_source" = "yes" ; then
5682  QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
5683  debug=no
5684fi
5685
5686case "$ARCH" in
5687alpha)
5688  # Ensure there's only a single GP
5689  QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
5690;;
5691esac
5692
5693if test "$gprof" = "yes" ; then
5694  QEMU_CFLAGS="-p $QEMU_CFLAGS"
5695  QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
5696fi
5697
5698if test "$have_asan" = "yes"; then
5699  QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
5700  QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
5701  if test "$have_asan_iface_h" = "no" ; then
5702      echo "ASAN build enabled, but ASAN header missing." \
5703           "Without code annotation, the report may be inferior."
5704  elif test "$have_asan_iface_fiber" = "no" ; then
5705      echo "ASAN build enabled, but ASAN header is too old." \
5706           "Without code annotation, the report may be inferior."
5707  fi
5708fi
5709if test "$have_tsan" = "yes" ; then
5710  if test "$have_tsan_iface_fiber" = "yes" ; then
5711    QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
5712    QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
5713  else
5714    error_exit "Cannot enable TSAN due to missing fiber annotation interface."
5715  fi
5716elif test "$tsan" = "yes" ; then
5717  error_exit "Cannot enable TSAN due to missing sanitize thread interface."
5718fi
5719if test "$have_ubsan" = "yes"; then
5720  QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
5721  QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
5722fi
5723
5724##########################################
5725# Do we have libnfs
5726if test "$libnfs" != "no" ; then
5727  if $pkg_config --atleast-version=1.9.3 libnfs; then
5728    libnfs="yes"
5729    libnfs_libs=$($pkg_config --libs libnfs)
5730  else
5731    if test "$libnfs" = "yes" ; then
5732      feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5733    fi
5734    libnfs="no"
5735  fi
5736fi
5737
5738##########################################
5739
5740# Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
5741if test "$solaris" = "no" && test "$tsan" = "no"; then
5742    if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5743        QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
5744    fi
5745fi
5746
5747# Use ASLR, no-SEH and DEP if available
5748if test "$mingw32" = "yes" ; then
5749    flags="--no-seh --nxcompat"
5750
5751    # Disable ASLR for debug builds to allow debugging with gdb
5752    if test "$debug" = "no" ; then
5753        flags="--dynamicbase $flags"
5754    fi
5755
5756    for flag in $flags; do
5757        if ld_has $flag ; then
5758            QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
5759        fi
5760    done
5761fi
5762
5763# We can only support ivshmem if we have eventfd
5764if [ "$eventfd" = "yes" ]; then
5765  ivshmem=yes
5766fi
5767
5768if test "$softmmu" = yes ; then
5769  if test "$linux" = yes; then
5770    if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
5771      virtfs=yes
5772    else
5773      if test "$virtfs" = yes; then
5774        error_exit "VirtFS requires libcap-ng devel and libattr devel"
5775      fi
5776      virtfs=no
5777    fi
5778  else
5779    if test "$virtfs" = yes; then
5780      error_exit "VirtFS is supported only on Linux"
5781    fi
5782    virtfs=no
5783  fi
5784fi
5785
5786# Probe for guest agent support/options
5787
5788if [ "$guest_agent" != "no" ]; then
5789  if [ "$softmmu" = no -a "$want_tools" = no ] ; then
5790      guest_agent=no
5791  elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5792      guest_agent=yes
5793  elif [ "$guest_agent" != yes ]; then
5794      guest_agent=no
5795  else
5796      error_exit "Guest agent is not supported on this platform"
5797  fi
5798fi
5799
5800# Guest agent Window MSI  package
5801
5802if test "$guest_agent" != yes; then
5803  if test "$guest_agent_msi" = yes; then
5804    error_exit "MSI guest agent package requires guest agent enabled"
5805  fi
5806  guest_agent_msi=no
5807elif test "$mingw32" != "yes"; then
5808  if test "$guest_agent_msi" = "yes"; then
5809    error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5810  fi
5811  guest_agent_msi=no
5812elif ! has wixl; then
5813  if test "$guest_agent_msi" = "yes"; then
5814    error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5815  fi
5816  guest_agent_msi=no
5817else
5818  # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5819  # disabled explicitly
5820  if test "$guest_agent_msi" != "no"; then
5821    guest_agent_msi=yes
5822  fi
5823fi
5824
5825if test "$guest_agent_msi" = "yes"; then
5826  if test "$guest_agent_with_vss" = "yes"; then
5827    QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5828  fi
5829
5830  if test "$QEMU_GA_MANUFACTURER" = ""; then
5831    QEMU_GA_MANUFACTURER=QEMU
5832  fi
5833
5834  if test "$QEMU_GA_DISTRO" = ""; then
5835    QEMU_GA_DISTRO=Linux
5836  fi
5837
5838  if test "$QEMU_GA_VERSION" = ""; then
5839      QEMU_GA_VERSION=$(cat $source_path/VERSION)
5840  fi
5841
5842  QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5843
5844  case "$cpu" in
5845  x86_64)
5846    QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5847    ;;
5848  i386)
5849    QEMU_GA_MSI_ARCH="-D Arch=32"
5850    ;;
5851  *)
5852    error_exit "CPU $cpu not supported for building installation package"
5853    ;;
5854  esac
5855fi
5856
5857# Mac OS X ships with a broken assembler
5858roms=
5859if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
5860        test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
5861        test "$targetos" != "Haiku" && test "$softmmu" = yes ; then
5862    # Different host OS linkers have different ideas about the name of the ELF
5863    # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
5864    # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
5865    for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
5866        if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5867            ld_i386_emulation="$emu"
5868            roms="optionrom"
5869            break
5870        fi
5871    done
5872fi
5873
5874# Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
5875if test "$cpu" = "s390x" ; then
5876  write_c_skeleton
5877  if compile_prog "-march=z900" ""; then
5878    roms="$roms s390-ccw"
5879    # SLOF is required for building the s390-ccw firmware on s390x,
5880    # since it is using the libnet code from SLOF for network booting.
5881    if test -e "${source_path}/.git" ; then
5882      git_submodules="${git_submodules} roms/SLOF"
5883    fi
5884  fi
5885fi
5886
5887# Check that the C++ compiler exists and works with the C compiler.
5888# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
5889if has $cxx; then
5890    cat > $TMPC <<EOF
5891int c_function(void);
5892int main(void) { return c_function(); }
5893EOF
5894
5895    compile_object
5896
5897    cat > $TMPCXX <<EOF
5898extern "C" {
5899   int c_function(void);
5900}
5901int c_function(void) { return 42; }
5902EOF
5903
5904    update_cxxflags
5905
5906    if do_cxx $CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
5907        # C++ compiler $cxx works ok with C compiler $cc
5908        :
5909    else
5910        echo "C++ compiler $cxx does not work with C compiler $cc"
5911        echo "Disabling C++ specific optional code"
5912        cxx=
5913    fi
5914else
5915    echo "No C++ compiler available; disabling C++ specific optional code"
5916    cxx=
5917fi
5918
5919if test $git_update = 'yes' ; then
5920    (cd "${source_path}" && GIT="$git" "./scripts/git-submodule.sh" update "$git_submodules")
5921fi
5922
5923config_host_mak="config-host.mak"
5924
5925echo "# Automatically generated by configure - do not modify" > $config_host_mak
5926echo >> $config_host_mak
5927
5928echo all: >> $config_host_mak
5929echo "GIT=$git" >> $config_host_mak
5930echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
5931echo "GIT_UPDATE=$git_update" >> $config_host_mak
5932
5933echo "ARCH=$ARCH" >> $config_host_mak
5934
5935if test "$default_devices" = "yes" ; then
5936  echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
5937else
5938  echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
5939fi
5940if test "$debug_tcg" = "yes" ; then
5941  echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
5942fi
5943if test "$strip_opt" = "yes" ; then
5944  echo "STRIP=${strip}" >> $config_host_mak
5945fi
5946if test "$bigendian" = "yes" ; then
5947  echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
5948fi
5949if test "$mingw32" = "yes" ; then
5950  echo "CONFIG_WIN32=y" >> $config_host_mak
5951  rc_version=$(cat $source_path/VERSION)
5952  version_major=${rc_version%%.*}
5953  rc_version=${rc_version#*.}
5954  version_minor=${rc_version%%.*}
5955  rc_version=${rc_version#*.}
5956  version_subminor=${rc_version%%.*}
5957  version_micro=0
5958  echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5959  echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5960  if test "$guest_agent_with_vss" = "yes" ; then
5961    echo "CONFIG_QGA_VSS=y" >> $config_host_mak
5962    echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
5963    echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
5964  fi
5965  if test "$guest_agent_ntddscsi" = "yes" ; then
5966    echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
5967  fi
5968  if test "$guest_agent_msi" = "yes"; then
5969    echo "CONFIG_QGA_MSI=y" >> $config_host_mak
5970    echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
5971    echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
5972    echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
5973    echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
5974    echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
5975    echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
5976  fi
5977else
5978  echo "CONFIG_POSIX=y" >> $config_host_mak
5979fi
5980
5981if test "$linux" = "yes" ; then
5982  echo "CONFIG_LINUX=y" >> $config_host_mak
5983fi
5984
5985if test "$darwin" = "yes" ; then
5986  echo "CONFIG_DARWIN=y" >> $config_host_mak
5987fi
5988
5989if test "$solaris" = "yes" ; then
5990  echo "CONFIG_SOLARIS=y" >> $config_host_mak
5991fi
5992if test "$haiku" = "yes" ; then
5993  echo "CONFIG_HAIKU=y" >> $config_host_mak
5994fi
5995if test "$static" = "yes" ; then
5996  echo "CONFIG_STATIC=y" >> $config_host_mak
5997fi
5998if test "$profiler" = "yes" ; then
5999  echo "CONFIG_PROFILER=y" >> $config_host_mak
6000fi
6001if test "$want_tools" = "yes" ; then
6002  echo "CONFIG_TOOLS=y" >> $config_host_mak
6003fi
6004if test "$guest_agent" = "yes" ; then
6005  echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
6006fi
6007echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6008if test "$vde" = "yes" ; then
6009  echo "CONFIG_VDE=y" >> $config_host_mak
6010  echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6011fi
6012if test "$netmap" = "yes" ; then
6013  echo "CONFIG_NETMAP=y" >> $config_host_mak
6014fi
6015if test "$l2tpv3" = "yes" ; then
6016  echo "CONFIG_L2TPV3=y" >> $config_host_mak
6017fi
6018if test "$gprof" = "yes" ; then
6019  echo "CONFIG_GPROF=y" >> $config_host_mak
6020fi
6021if test "$cap_ng" = "yes" ; then
6022  echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
6023  echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
6024fi
6025echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6026for drv in $audio_drv_list; do
6027    def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6028    echo "$def=y" >> $config_host_mak
6029done
6030if test "$alsa" = "yes" ; then
6031    echo "CONFIG_ALSA=y" >> $config_host_mak
6032fi
6033echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6034echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak
6035if test "$libpulse" = "yes" ; then
6036    echo "CONFIG_LIBPULSE=y" >> $config_host_mak
6037fi
6038echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6039echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak
6040echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6041echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6042echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6043if test "$libjack" = "yes" ; then
6044    echo "CONFIG_LIBJACK=y" >> $config_host_mak
6045fi
6046echo "JACK_LIBS=$jack_libs" >> $config_host_mak
6047if test "$audio_win_int" = "yes" ; then
6048  echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6049fi
6050echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6051echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6052if test "$xfs" = "yes" ; then
6053  echo "CONFIG_XFS=y" >> $config_host_mak
6054fi
6055qemu_version=$(head $source_path/VERSION)
6056echo "PKGVERSION=$pkgversion" >>$config_host_mak
6057echo "SRC_PATH=$source_path" >> $config_host_mak
6058echo "TARGET_DIRS=$target_list" >> $config_host_mak
6059if test "$modules" = "yes"; then
6060  # $shacmd can generate a hash started with digit, which the compiler doesn't
6061  # like as an symbol. So prefix it with an underscore
6062  echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6063  echo "CONFIG_MODULES=y" >> $config_host_mak
6064fi
6065if test "$module_upgrades" = "yes"; then
6066  echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
6067fi
6068if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6069  echo "CONFIG_X11=y" >> $config_host_mak
6070  echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6071  echo "X11_LIBS=$x11_libs" >> $config_host_mak
6072fi
6073if test "$pipe2" = "yes" ; then
6074  echo "CONFIG_PIPE2=y" >> $config_host_mak
6075fi
6076if test "$accept4" = "yes" ; then
6077  echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6078fi
6079if test "$splice" = "yes" ; then
6080  echo "CONFIG_SPLICE=y" >> $config_host_mak
6081fi
6082if test "$eventfd" = "yes" ; then
6083  echo "CONFIG_EVENTFD=y" >> $config_host_mak
6084fi
6085if test "$memfd" = "yes" ; then
6086  echo "CONFIG_MEMFD=y" >> $config_host_mak
6087fi
6088if test "$have_usbfs" = "yes" ; then
6089  echo "CONFIG_USBFS=y" >> $config_host_mak
6090fi
6091if test "$fallocate" = "yes" ; then
6092  echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6093fi
6094if test "$fallocate_punch_hole" = "yes" ; then
6095  echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6096fi
6097if test "$fallocate_zero_range" = "yes" ; then
6098  echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6099fi
6100if test "$posix_fallocate" = "yes" ; then
6101  echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6102fi
6103if test "$sync_file_range" = "yes" ; then
6104  echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6105fi
6106if test "$fiemap" = "yes" ; then
6107  echo "CONFIG_FIEMAP=y" >> $config_host_mak
6108fi
6109if test "$dup3" = "yes" ; then
6110  echo "CONFIG_DUP3=y" >> $config_host_mak
6111fi
6112if test "$ppoll" = "yes" ; then
6113  echo "CONFIG_PPOLL=y" >> $config_host_mak
6114fi
6115if test "$prctl_pr_set_timerslack" = "yes" ; then
6116  echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6117fi
6118if test "$epoll" = "yes" ; then
6119  echo "CONFIG_EPOLL=y" >> $config_host_mak
6120fi
6121if test "$epoll_create1" = "yes" ; then
6122  echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6123fi
6124if test "$sendfile" = "yes" ; then
6125  echo "CONFIG_SENDFILE=y" >> $config_host_mak
6126fi
6127if test "$timerfd" = "yes" ; then
6128  echo "CONFIG_TIMERFD=y" >> $config_host_mak
6129fi
6130if test "$setns" = "yes" ; then
6131  echo "CONFIG_SETNS=y" >> $config_host_mak
6132fi
6133if test "$clock_adjtime" = "yes" ; then
6134  echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6135fi
6136if test "$syncfs" = "yes" ; then
6137  echo "CONFIG_SYNCFS=y" >> $config_host_mak
6138fi
6139if test "$kcov" = "yes" ; then
6140  echo "CONFIG_KCOV=y" >> $config_host_mak
6141fi
6142if test "$btrfs" = "yes" ; then
6143  echo "CONFIG_BTRFS=y" >> $config_host_mak
6144fi
6145if test "$inotify" = "yes" ; then
6146  echo "CONFIG_INOTIFY=y" >> $config_host_mak
6147fi
6148if test "$inotify1" = "yes" ; then
6149  echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6150fi
6151if test "$sem_timedwait" = "yes" ; then
6152  echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6153fi
6154if test "$strchrnul" = "yes" ; then
6155  echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6156fi
6157if test "$st_atim" = "yes" ; then
6158  echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
6159fi
6160if test "$byteswap_h" = "yes" ; then
6161  echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6162fi
6163if test "$bswap_h" = "yes" ; then
6164  echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6165fi
6166if test "$curl" = "yes" ; then
6167  echo "CONFIG_CURL=y" >> $config_host_mak
6168  echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6169  echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6170fi
6171if test "$brlapi" = "yes" ; then
6172  echo "CONFIG_BRLAPI=y" >> $config_host_mak
6173  echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6174fi
6175if test "$gtk" = "yes" ; then
6176  echo "CONFIG_GTK=y" >> $config_host_mak
6177  echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6178  echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6179  if test "$gtk_gl" = "yes" ; then
6180    echo "CONFIG_GTK_GL=y" >> $config_host_mak
6181  fi
6182fi
6183if test "$gio" = "yes" ; then
6184    echo "CONFIG_GIO=y" >> $config_host_mak
6185    echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6186    echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6187    echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
6188fi
6189echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6190if test "$gnutls" = "yes" ; then
6191  echo "CONFIG_GNUTLS=y" >> $config_host_mak
6192  echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
6193  echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
6194fi
6195if test "$gcrypt" = "yes" ; then
6196  echo "CONFIG_GCRYPT=y" >> $config_host_mak
6197  if test "$gcrypt_hmac" = "yes" ; then
6198    echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6199  fi
6200  echo "GCRYPT_CFLAGS=$gcrypt_cflags" >> $config_host_mak
6201  echo "GCRYPT_LIBS=$gcrypt_libs" >> $config_host_mak
6202fi
6203if test "$nettle" = "yes" ; then
6204  echo "CONFIG_NETTLE=y" >> $config_host_mak
6205  echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6206  echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
6207  echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
6208fi
6209if test "$qemu_private_xts" = "yes" ; then
6210  echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6211fi
6212if test "$tasn1" = "yes" ; then
6213  echo "CONFIG_TASN1=y" >> $config_host_mak
6214fi
6215if test "$auth_pam" = "yes" ; then
6216    echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6217fi
6218if test "$have_ifaddrs_h" = "yes" ; then
6219    echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6220fi
6221if test "$have_drm_h" = "yes" ; then
6222  echo "HAVE_DRM_H=y" >> $config_host_mak
6223fi
6224if test "$have_broken_size_max" = "yes" ; then
6225    echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6226fi
6227if test "$have_openpty" = "yes" ; then
6228    echo "HAVE_OPENPTY=y" >> $config_host_mak
6229fi
6230if test "$have_sys_signal_h" = "yes" ; then
6231    echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
6232fi
6233
6234# Work around a system header bug with some kernel/XFS header
6235# versions where they both try to define 'struct fsxattr':
6236# xfs headers will not try to redefine structs from linux headers
6237# if this macro is set.
6238if test "$have_fsxattr" = "yes" ; then
6239    echo "HAVE_FSXATTR=y" >> $config_host_mak
6240fi
6241if test "$have_copy_file_range" = "yes" ; then
6242    echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6243fi
6244if test "$vte" = "yes" ; then
6245  echo "CONFIG_VTE=y" >> $config_host_mak
6246  echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6247  echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6248fi
6249if test "$virglrenderer" = "yes" ; then
6250  echo "CONFIG_VIRGL=y" >> $config_host_mak
6251  echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6252  echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6253fi
6254if test "$xen" = "enabled" ; then
6255  echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6256  echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6257  echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak
6258  echo "XEN_LIBS=$xen_libs" >> $config_host_mak
6259fi
6260if test "$linux_aio" = "yes" ; then
6261  echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6262fi
6263if test "$linux_io_uring" = "yes" ; then
6264  echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
6265  echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
6266  echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
6267fi
6268if test "$attr" = "yes" ; then
6269  echo "CONFIG_ATTR=y" >> $config_host_mak
6270  echo "LIBATTR_LIBS=$libattr_libs" >> $config_host_mak
6271fi
6272if test "$libattr" = "yes" ; then
6273  echo "CONFIG_LIBATTR=y" >> $config_host_mak
6274fi
6275if test "$virtfs" = "yes" ; then
6276  echo "CONFIG_VIRTFS=y" >> $config_host_mak
6277fi
6278if test "$vhost_scsi" = "yes" ; then
6279  echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6280fi
6281if test "$vhost_net" = "yes" ; then
6282  echo "CONFIG_VHOST_NET=y" >> $config_host_mak
6283fi
6284if test "$vhost_net_user" = "yes" ; then
6285  echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
6286fi
6287if test "$vhost_net_vdpa" = "yes" ; then
6288  echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
6289fi
6290if test "$vhost_crypto" = "yes" ; then
6291  echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6292fi
6293if test "$vhost_vsock" = "yes" ; then
6294  echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6295  if test "$vhost_user" = "yes" ; then
6296    echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
6297  fi
6298fi
6299if test "$vhost_kernel" = "yes" ; then
6300  echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
6301fi
6302if test "$vhost_user" = "yes" ; then
6303  echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6304fi
6305if test "$vhost_vdpa" = "yes" ; then
6306  echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
6307fi
6308if test "$vhost_user_fs" = "yes" ; then
6309  echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
6310fi
6311if test "$iovec" = "yes" ; then
6312  echo "CONFIG_IOVEC=y" >> $config_host_mak
6313fi
6314if test "$preadv" = "yes" ; then
6315  echo "CONFIG_PREADV=y" >> $config_host_mak
6316fi
6317if test "$membarrier" = "yes" ; then
6318  echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
6319fi
6320if test "$signalfd" = "yes" ; then
6321  echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6322fi
6323if test "$optreset" = "yes" ; then
6324  echo "HAVE_OPTRESET=y" >> $config_host_mak
6325fi
6326if test "$tcg" = "enabled"; then
6327  if test "$tcg_interpreter" = "yes" ; then
6328    echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6329  fi
6330fi
6331if test "$fdatasync" = "yes" ; then
6332  echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6333fi
6334if test "$madvise" = "yes" ; then
6335  echo "CONFIG_MADVISE=y" >> $config_host_mak
6336fi
6337if test "$posix_madvise" = "yes" ; then
6338  echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6339fi
6340if test "$posix_memalign" = "yes" ; then
6341  echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6342fi
6343if test "$spice" = "yes" ; then
6344  echo "CONFIG_SPICE=y" >> $config_host_mak
6345  echo "SPICE_CFLAGS=$spice_cflags" >> $config_host_mak
6346  echo "SPICE_LIBS=$spice_libs" >> $config_host_mak
6347fi
6348
6349if test "$smartcard" = "yes" ; then
6350  echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6351  echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6352  echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6353fi
6354
6355if test "$libusb" = "yes" ; then
6356  echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6357  echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6358  echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6359fi
6360
6361if test "$usb_redir" = "yes" ; then
6362  echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6363  echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6364  echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6365fi
6366
6367if test "$opengl" = "yes" ; then
6368  echo "CONFIG_OPENGL=y" >> $config_host_mak
6369  echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak
6370  echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6371  if test "$opengl_dmabuf" = "yes" ; then
6372    echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6373  fi
6374fi
6375
6376if test "$gbm" = "yes" ; then
6377    echo "CONFIG_GBM=y" >> $config_host_mak
6378    echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
6379    echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
6380fi
6381
6382
6383if test "$avx2_opt" = "yes" ; then
6384  echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6385fi
6386
6387if test "$avx512f_opt" = "yes" ; then
6388  echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
6389fi
6390
6391if test "$lzo" = "yes" ; then
6392  echo "CONFIG_LZO=y" >> $config_host_mak
6393  echo "LZO_LIBS=$lzo_libs" >> $config_host_mak
6394fi
6395
6396if test "$snappy" = "yes" ; then
6397  echo "CONFIG_SNAPPY=y" >> $config_host_mak
6398  echo "SNAPPY_LIBS=$snappy_libs" >> $config_host_mak
6399fi
6400
6401if test "$bzip2" = "yes" ; then
6402  echo "CONFIG_BZIP2=y" >> $config_host_mak
6403  echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6404fi
6405
6406if test "$lzfse" = "yes" ; then
6407  echo "CONFIG_LZFSE=y" >> $config_host_mak
6408  echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
6409fi
6410
6411if test "$zstd" = "yes" ; then
6412  echo "CONFIG_ZSTD=y" >> $config_host_mak
6413  echo "ZSTD_CFLAGS=$zstd_cflags" >> $config_host_mak
6414  echo "ZSTD_LIBS=$zstd_libs" >> $config_host_mak
6415fi
6416
6417if test "$libiscsi" = "yes" ; then
6418  echo "CONFIG_LIBISCSI=y" >> $config_host_mak
6419  echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6420  echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6421fi
6422
6423if test "$libnfs" = "yes" ; then
6424  echo "CONFIG_LIBNFS=y" >> $config_host_mak
6425  echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6426fi
6427
6428if test "$seccomp" = "yes"; then
6429  echo "CONFIG_SECCOMP=y" >> $config_host_mak
6430  echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6431  echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6432fi
6433
6434# XXX: suppress that
6435if [ "$bsd" = "yes" ] ; then
6436  echo "CONFIG_BSD=y" >> $config_host_mak
6437fi
6438
6439if test "$qom_cast_debug" = "yes" ; then
6440  echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6441fi
6442if test "$rbd" = "yes" ; then
6443  echo "CONFIG_RBD=y" >> $config_host_mak
6444  echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6445fi
6446
6447echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6448if test "$coroutine_pool" = "yes" ; then
6449  echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6450else
6451  echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6452fi
6453
6454if test "$debug_stack_usage" = "yes" ; then
6455  echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6456fi
6457
6458if test "$crypto_afalg" = "yes" ; then
6459  echo "CONFIG_AF_ALG=y" >> $config_host_mak
6460fi
6461
6462if test "$open_by_handle_at" = "yes" ; then
6463  echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6464fi
6465
6466if test "$linux_magic_h" = "yes" ; then
6467  echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6468fi
6469
6470if test "$valgrind_h" = "yes" ; then
6471  echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6472fi
6473
6474if test "$have_asan_iface_fiber" = "yes" ; then
6475    echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6476fi
6477
6478if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
6479    echo "CONFIG_TSAN=y" >> $config_host_mak
6480fi
6481
6482if test "$has_environ" = "yes" ; then
6483  echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6484fi
6485
6486if test "$cpuid_h" = "yes" ; then
6487  echo "CONFIG_CPUID_H=y" >> $config_host_mak
6488fi
6489
6490if test "$int128" = "yes" ; then
6491  echo "CONFIG_INT128=y" >> $config_host_mak
6492fi
6493
6494if test "$atomic128" = "yes" ; then
6495  echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6496fi
6497
6498if test "$cmpxchg128" = "yes" ; then
6499  echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
6500fi
6501
6502if test "$atomic64" = "yes" ; then
6503  echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6504fi
6505
6506if test "$attralias" = "yes" ; then
6507  echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
6508fi
6509
6510if test "$getauxval" = "yes" ; then
6511  echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6512fi
6513
6514if test "$glusterfs" = "yes" ; then
6515  echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
6516  echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6517  echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6518fi
6519
6520if test "$glusterfs_xlator_opt" = "yes" ; then
6521  echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6522fi
6523
6524if test "$glusterfs_discard" = "yes" ; then
6525  echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6526fi
6527
6528if test "$glusterfs_fallocate" = "yes" ; then
6529  echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6530fi
6531
6532if test "$glusterfs_zerofill" = "yes" ; then
6533  echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6534fi
6535
6536if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
6537  echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
6538fi
6539
6540if test "$glusterfs_iocb_has_stat" = "yes" ; then
6541  echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
6542fi
6543
6544if test "$libssh" = "yes" ; then
6545  echo "CONFIG_LIBSSH=y" >> $config_host_mak
6546  echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
6547  echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
6548fi
6549
6550if test "$live_block_migration" = "yes" ; then
6551  echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6552fi
6553
6554if test "$tpm" = "yes"; then
6555  echo 'CONFIG_TPM=y' >> $config_host_mak
6556fi
6557
6558echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6559if have_backend "nop"; then
6560  echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6561fi
6562if have_backend "simple"; then
6563  echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6564  # Set the appropriate trace file.
6565  trace_file="\"$trace_file-\" FMT_pid"
6566fi
6567if have_backend "log"; then
6568  echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6569fi
6570if have_backend "ust"; then
6571  echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6572  echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
6573  echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
6574fi
6575if have_backend "dtrace"; then
6576  echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6577  if test "$trace_backend_stap" = "yes" ; then
6578    echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6579  fi
6580fi
6581if have_backend "ftrace"; then
6582  if test "$linux" = "yes" ; then
6583    echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6584  else
6585    feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6586  fi
6587fi
6588if have_backend "syslog"; then
6589  if test "$posix_syslog" = "yes" ; then
6590    echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6591  else
6592    feature_not_found "syslog(trace backend)" "syslog not available"
6593  fi
6594fi
6595echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6596
6597if test "$rdma" = "yes" ; then
6598  echo "CONFIG_RDMA=y" >> $config_host_mak
6599  echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6600fi
6601
6602if test "$pvrdma" = "yes" ; then
6603  echo "CONFIG_PVRDMA=y" >> $config_host_mak
6604fi
6605
6606if test "$have_rtnetlink" = "yes" ; then
6607  echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6608fi
6609
6610if test "$libxml2" = "yes" ; then
6611  echo "CONFIG_LIBXML2=y" >> $config_host_mak
6612  echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
6613  echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
6614fi
6615
6616if test "$replication" = "yes" ; then
6617  echo "CONFIG_REPLICATION=y" >> $config_host_mak
6618fi
6619
6620if test "$have_af_vsock" = "yes" ; then
6621  echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6622fi
6623
6624if test "$have_sysmacros" = "yes" ; then
6625  echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6626fi
6627
6628if test "$have_static_assert" = "yes" ; then
6629  echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6630fi
6631
6632if test "$have_utmpx" = "yes" ; then
6633  echo "HAVE_UTMPX=y" >> $config_host_mak
6634fi
6635if test "$have_getrandom" = "yes" ; then
6636  echo "CONFIG_GETRANDOM=y" >> $config_host_mak
6637fi
6638if test "$ivshmem" = "yes" ; then
6639  echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6640fi
6641if test "$debug_mutex" = "yes" ; then
6642  echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
6643fi
6644
6645# Hold two types of flag:
6646#   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
6647#                                     a thread we have a handle to
6648#   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
6649#                                     platform
6650if test "$pthread_setname_np_w_tid" = "yes" ; then
6651  echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6652  echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
6653elif test "$pthread_setname_np_wo_tid" = "yes" ; then
6654  echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6655  echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
6656fi
6657
6658if test "$libpmem" = "yes" ; then
6659  echo "CONFIG_LIBPMEM=y" >> $config_host_mak
6660  echo "LIBPMEM_LIBS=$libpmem_libs" >> $config_host_mak
6661  echo "LIBPMEM_CFLAGS=$libpmem_cflags" >> $config_host_mak
6662fi
6663
6664if test "$libdaxctl" = "yes" ; then
6665  echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
6666  echo "LIBDAXCTL_LIBS=$libdaxctl_libs" >> $config_host_mak
6667fi
6668
6669if test "$bochs" = "yes" ; then
6670  echo "CONFIG_BOCHS=y" >> $config_host_mak
6671fi
6672if test "$cloop" = "yes" ; then
6673  echo "CONFIG_CLOOP=y" >> $config_host_mak
6674fi
6675if test "$dmg" = "yes" ; then
6676  echo "CONFIG_DMG=y" >> $config_host_mak
6677fi
6678if test "$qcow1" = "yes" ; then
6679  echo "CONFIG_QCOW1=y" >> $config_host_mak
6680fi
6681if test "$vdi" = "yes" ; then
6682  echo "CONFIG_VDI=y" >> $config_host_mak
6683fi
6684if test "$vvfat" = "yes" ; then
6685  echo "CONFIG_VVFAT=y" >> $config_host_mak
6686fi
6687if test "$qed" = "yes" ; then
6688  echo "CONFIG_QED=y" >> $config_host_mak
6689fi
6690if test "$parallels" = "yes" ; then
6691  echo "CONFIG_PARALLELS=y" >> $config_host_mak
6692fi
6693if test "$sheepdog" = "yes" ; then
6694  add_to deprecated_features "sheepdog"
6695  echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
6696fi
6697if test "$pty_h" = "yes" ; then
6698  echo "HAVE_PTY_H=y" >> $config_host_mak
6699fi
6700if test "$have_mlockall" = "yes" ; then
6701  echo "HAVE_MLOCKALL=y" >> $config_host_mak
6702fi
6703if test "$fuzzing" = "yes" ; then
6704  # If LIB_FUZZING_ENGINE is set, assume we are running on OSS-Fuzz, and the
6705  # needed CFLAGS have already been provided
6706  if test -z "${LIB_FUZZING_ENGINE+xxx}" ; then
6707    QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
6708    FUZZ_EXE_LDFLAGS="-fsanitize=fuzzer"
6709  else
6710    FUZZ_EXE_LDFLAGS="$LIB_FUZZING_ENGINE"
6711  fi
6712fi
6713
6714if test "$plugins" = "yes" ; then
6715    echo "CONFIG_PLUGIN=y" >> $config_host_mak
6716    # Copy the export object list to the build dir
6717    if test "$ld_dynamic_list" = "yes" ; then
6718	echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
6719	ld_symbols=qemu-plugins-ld.symbols
6720	cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
6721    elif test "$ld_exported_symbols_list" = "yes" ; then
6722	echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
6723	ld64_symbols=qemu-plugins-ld64.symbols
6724	echo "# Automatically generated by configure - do not modify" > $ld64_symbols
6725	grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
6726	    sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
6727    else
6728	error_exit \
6729	    "If \$plugins=yes, either \$ld_dynamic_list or " \
6730	    "\$ld_exported_symbols_list should have been set to 'yes'."
6731    fi
6732fi
6733
6734if test -n "$gdb_bin" ; then
6735    echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
6736fi
6737
6738if test "$secret_keyring" = "yes" ; then
6739  echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
6740fi
6741
6742echo "ROMS=$roms" >> $config_host_mak
6743echo "MAKE=$make" >> $config_host_mak
6744echo "PYTHON=$python" >> $config_host_mak
6745echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
6746echo "MESON=$meson" >> $config_host_mak
6747echo "NINJA=$ninja" >> $config_host_mak
6748echo "CC=$cc" >> $config_host_mak
6749if $iasl -h > /dev/null 2>&1; then
6750  echo "CONFIG_IASL=$iasl" >> $config_host_mak
6751fi
6752echo "CXX=$cxx" >> $config_host_mak
6753echo "OBJCC=$objcc" >> $config_host_mak
6754echo "AR=$ar" >> $config_host_mak
6755echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
6756echo "AS=$as" >> $config_host_mak
6757echo "CCAS=$ccas" >> $config_host_mak
6758echo "CPP=$cpp" >> $config_host_mak
6759echo "OBJCOPY=$objcopy" >> $config_host_mak
6760echo "LD=$ld" >> $config_host_mak
6761echo "RANLIB=$ranlib" >> $config_host_mak
6762echo "NM=$nm" >> $config_host_mak
6763echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
6764echo "WINDRES=$windres" >> $config_host_mak
6765echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
6766echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
6767echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
6768echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
6769echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
6770echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
6771echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
6772echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
6773echo "EXESUF=$EXESUF" >> $config_host_mak
6774echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak
6775echo "LIBS_QGA=$libs_qga" >> $config_host_mak
6776echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
6777echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
6778if test "$gcov" = "yes" ; then
6779  echo "CONFIG_GCOV=y" >> $config_host_mak
6780fi
6781
6782if test "$fuzzing" != "no"; then
6783    echo "CONFIG_FUZZ=y" >> $config_host_mak
6784fi
6785echo "FUZZ_EXE_LDFLAGS=$FUZZ_EXE_LDFLAGS" >> $config_host_mak
6786
6787if test "$rng_none" = "yes"; then
6788  echo "CONFIG_RNG_NONE=y" >> $config_host_mak
6789fi
6790
6791# use included Linux headers
6792if test "$linux" = "yes" ; then
6793  mkdir -p linux-headers
6794  case "$cpu" in
6795  i386|x86_64|x32)
6796    linux_arch=x86
6797    ;;
6798  ppc|ppc64|ppc64le)
6799    linux_arch=powerpc
6800    ;;
6801  s390x)
6802    linux_arch=s390
6803    ;;
6804  aarch64)
6805    linux_arch=arm64
6806    ;;
6807  mips64)
6808    linux_arch=mips
6809    ;;
6810  *)
6811    # For most CPUs the kernel architecture name and QEMU CPU name match.
6812    linux_arch="$cpu"
6813    ;;
6814  esac
6815    # For non-KVM architectures we will not have asm headers
6816    if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
6817      symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
6818    fi
6819fi
6820
6821for target in $target_list; do
6822    target_dir="$target"
6823    target_name=$(echo $target | cut -d '-' -f 1)
6824    mkdir -p $target_dir
6825    case $target in
6826        *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
6827        *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
6828    esac
6829done
6830
6831echo "CONFIG_QEMU_INTERP_PREFIX=$interp_prefix" | sed 's/%M/@0@/' >> $config_host_mak
6832if test "$default_targets" = "yes"; then
6833  echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
6834fi
6835
6836if test "$numa" = "yes"; then
6837  echo "CONFIG_NUMA=y" >> $config_host_mak
6838  echo "NUMA_LIBS=$numa_libs" >> $config_host_mak
6839fi
6840
6841if test "$ccache_cpp2" = "yes"; then
6842  echo "export CCACHE_CPP2=y" >> $config_host_mak
6843fi
6844
6845if test "$safe_stack" = "yes"; then
6846  echo "CONFIG_SAFESTACK=y" >> $config_host_mak
6847fi
6848
6849# If we're using a separate build tree, set it up now.
6850# DIRS are directories which we simply mkdir in the build tree;
6851# LINKS are things to symlink back into the source tree
6852# (these can be both files and directories).
6853# Caution: do not add files or directories here using wildcards. This
6854# will result in problems later if a new file matching the wildcard is
6855# added to the source tree -- nothing will cause configure to be rerun
6856# so the build tree will be missing the link back to the new file, and
6857# tests might fail. Prefer to keep the relevant files in their own
6858# directory and symlink the directory instead.
6859# UNLINK is used to remove symlinks from older development versions
6860# that might get into the way when doing "git update" without doing
6861# a "make distclean" in between.
6862DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
6863DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
6864DIRS="$DIRS docs docs/interop fsdev scsi"
6865DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
6866DIRS="$DIRS roms/seabios"
6867DIRS="$DIRS contrib/plugins/"
6868LINKS="Makefile"
6869LINKS="$LINKS tests/tcg/lm32/Makefile"
6870LINKS="$LINKS tests/tcg/Makefile.target"
6871LINKS="$LINKS pc-bios/optionrom/Makefile"
6872LINKS="$LINKS pc-bios/s390-ccw/Makefile"
6873LINKS="$LINKS roms/seabios/Makefile"
6874LINKS="$LINKS pc-bios/qemu-icon.bmp"
6875LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
6876LINKS="$LINKS tests/acceptance tests/data"
6877LINKS="$LINKS tests/qemu-iotests/check"
6878LINKS="$LINKS python"
6879LINKS="$LINKS contrib/plugins/Makefile "
6880UNLINK="pc-bios/keymaps"
6881for bios_file in \
6882    $source_path/pc-bios/*.bin \
6883    $source_path/pc-bios/*.elf \
6884    $source_path/pc-bios/*.lid \
6885    $source_path/pc-bios/*.rom \
6886    $source_path/pc-bios/*.dtb \
6887    $source_path/pc-bios/*.img \
6888    $source_path/pc-bios/openbios-* \
6889    $source_path/pc-bios/u-boot.* \
6890    $source_path/pc-bios/edk2-*.fd.bz2 \
6891    $source_path/pc-bios/palcode-*
6892do
6893    LINKS="$LINKS pc-bios/$(basename $bios_file)"
6894done
6895mkdir -p $DIRS
6896for f in $LINKS ; do
6897    if [ -e "$source_path/$f" ]; then
6898        symlink "$source_path/$f" "$f"
6899    fi
6900done
6901for f in $UNLINK ; do
6902    if [ -L "$f" ]; then
6903        rm -f "$f"
6904    fi
6905done
6906
6907(for i in $cross_cc_vars; do
6908  export $i
6909done
6910export target_list source_path use_containers
6911$source_path/tests/tcg/configure.sh)
6912
6913# temporary config to build submodules
6914for rom in seabios; do
6915    config_mak=roms/$rom/config.mak
6916    echo "# Automatically generated by configure - do not modify" > $config_mak
6917    echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
6918    echo "AS=$as" >> $config_mak
6919    echo "CCAS=$ccas" >> $config_mak
6920    echo "CC=$cc" >> $config_mak
6921    echo "BCC=bcc" >> $config_mak
6922    echo "CPP=$cpp" >> $config_mak
6923    echo "OBJCOPY=objcopy" >> $config_mak
6924    echo "IASL=$iasl" >> $config_mak
6925    echo "LD=$ld" >> $config_mak
6926    echo "RANLIB=$ranlib" >> $config_mak
6927done
6928
6929# set up qemu-iotests in this build directory
6930iotests_common_env="tests/qemu-iotests/common.env"
6931
6932echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
6933echo >> "$iotests_common_env"
6934echo "export PYTHON='$python'" >> "$iotests_common_env"
6935
6936if test "$skip_meson" = no; then
6937cross="config-meson.cross.new"
6938meson_quote() {
6939    echo "'$(echo $* | sed "s/ /','/g")'"
6940}
6941
6942echo "# Automatically generated by configure - do not modify" > $cross
6943echo "[properties]" >> $cross
6944test -z "$cxx" && echo "link_language = 'c'" >> $cross
6945echo "[built-in options]" >> $cross
6946echo "c_args = [${CFLAGS:+$(meson_quote $CFLAGS)}]" >> $cross
6947echo "cpp_args = [${CXXFLAGS:+$(meson_quote $CXXFLAGS)}]" >> $cross
6948echo "c_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross
6949echo "cpp_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross
6950echo "[binaries]" >> $cross
6951echo "c = [$(meson_quote $cc)]" >> $cross
6952test -n "$cxx" && echo "cpp = [$(meson_quote $cxx)]" >> $cross
6953echo "ar = [$(meson_quote $ar)]" >> $cross
6954echo "nm = [$(meson_quote $nm)]" >> $cross
6955echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross
6956echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
6957if has $sdl2_config; then
6958  echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
6959fi
6960echo "strip = [$(meson_quote $strip)]" >> $cross
6961echo "windres = [$(meson_quote $windres)]" >> $cross
6962if test -n "$cross_prefix"; then
6963    cross_arg="--cross-file config-meson.cross"
6964    echo "[host_machine]" >> $cross
6965    if test "$mingw32" = "yes" ; then
6966        echo "system = 'windows'" >> $cross
6967    fi
6968    if test "$linux" = "yes" ; then
6969        echo "system = 'linux'" >> $cross
6970    fi
6971    case "$ARCH" in
6972        i386|x86_64)
6973            echo "cpu_family = 'x86'" >> $cross
6974            ;;
6975        ppc64le)
6976            echo "cpu_family = 'ppc64'" >> $cross
6977            ;;
6978        *)
6979            echo "cpu_family = '$ARCH'" >> $cross
6980            ;;
6981    esac
6982    echo "cpu = '$cpu'" >> $cross
6983    if test "$bigendian" = "yes" ; then
6984        echo "endian = 'big'" >> $cross
6985    else
6986        echo "endian = 'little'" >> $cross
6987    fi
6988else
6989    cross_arg="--native-file config-meson.cross"
6990fi
6991mv $cross config-meson.cross
6992
6993rm -rf meson-private meson-info meson-logs
6994unset staticpic
6995if ! version_ge "$($meson --version)" 0.56.0; then
6996  staticpic=$(if test "$pie" = yes; then echo true; else echo false; fi)
6997fi
6998NINJA=$ninja $meson setup \
6999        --prefix "$prefix" \
7000        --libdir "$libdir" \
7001        --libexecdir "$libexecdir" \
7002        --bindir "$bindir" \
7003        --includedir "$includedir" \
7004        --datadir "$datadir" \
7005        --mandir "$mandir" \
7006        --sysconfdir "$sysconfdir" \
7007        --localedir "$localedir" \
7008        --localstatedir "$local_statedir" \
7009        -Ddocdir="$docdir" \
7010        -Dqemu_firmwarepath="$firmwarepath" \
7011        -Dqemu_suffix="$qemu_suffix" \
7012        -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
7013        -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
7014        -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
7015        -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
7016        -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
7017        ${staticpic:+-Db_staticpic=$staticpic} \
7018        -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
7019        -Dmalloc=$malloc -Dmalloc_trim=$malloc_trim -Dsparse=$sparse \
7020        -Dkvm=$kvm -Dhax=$hax -Dwhpx=$whpx -Dhvf=$hvf \
7021        -Dxen=$xen -Dxen_pci_passthrough=$xen_pci_passthrough -Dtcg=$tcg \
7022        -Dcocoa=$cocoa -Dmpath=$mpath -Dsdl=$sdl -Dsdl_image=$sdl_image \
7023        -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \
7024        -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f -Dvirtiofsd=$virtiofsd \
7025        -Dcapstone=$capstone -Dslirp=$slirp -Dfdt=$fdt \
7026        -Diconv=$iconv -Dcurses=$curses -Dlibudev=$libudev\
7027        -Ddocs=$docs -Dsphinx_build=$sphinx_build -Dinstall_blobs=$blobs \
7028        -Dvhost_user_blk_server=$vhost_user_blk_server \
7029        -Dfuse=$fuse -Dfuse_lseek=$fuse_lseek \
7030        $cross_arg \
7031        "$PWD" "$source_path"
7032
7033if test "$?" -ne 0 ; then
7034    error_exit "meson setup failed"
7035fi
7036fi
7037
7038if test -n "${deprecated_features}"; then
7039    echo "Warning, deprecated features enabled."
7040    echo "Please see docs/system/deprecated.rst"
7041    echo "  features: ${deprecated_features}"
7042fi
7043
7044# Save the configure command line for later reuse.
7045cat <<EOD >config.status
7046#!/bin/sh
7047# Generated by configure.
7048# Run this file to recreate the current configuration.
7049# Compiler output produced by configure, useful for debugging
7050# configure, is in config.log if it exists.
7051EOD
7052
7053preserve_env() {
7054    envname=$1
7055
7056    eval envval=\$$envname
7057
7058    if test -n "$envval"
7059    then
7060	echo "$envname='$envval'" >> config.status
7061	echo "export $envname" >> config.status
7062    else
7063	echo "unset $envname" >> config.status
7064    fi
7065}
7066
7067# Preserve various env variables that influence what
7068# features/build target configure will detect
7069preserve_env AR
7070preserve_env AS
7071preserve_env CC
7072preserve_env CPP
7073preserve_env CXX
7074preserve_env INSTALL
7075preserve_env LD
7076preserve_env LD_LIBRARY_PATH
7077preserve_env LIBTOOL
7078preserve_env MAKE
7079preserve_env NM
7080preserve_env OBJCOPY
7081preserve_env PATH
7082preserve_env PKG_CONFIG
7083preserve_env PKG_CONFIG_LIBDIR
7084preserve_env PKG_CONFIG_PATH
7085preserve_env PYTHON
7086preserve_env SDL2_CONFIG
7087preserve_env SMBD
7088preserve_env STRIP
7089preserve_env WINDRES
7090
7091printf "exec" >>config.status
7092for i in "$0" "$@"; do
7093  test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
7094done
7095echo ' "$@"' >>config.status
7096chmod +x config.status
7097
7098rm -r "$TMPDIR1"
7099