xref: /openbmc/qemu/configure (revision f892b494)
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# Temporary directory used for files created while
15# configure runs. Since it is in the build directory
16# we can safely blow away any previous version of it
17# (and we need not jump through hoops to try to delete
18# it when configure exits.)
19TMPDIR1="config-temp"
20rm -rf "${TMPDIR1}"
21mkdir -p "${TMPDIR1}"
22if [ $? -ne 0 ]; then
23    echo "ERROR: failed to create temporary directory"
24    exit 1
25fi
26
27TMPB="qemu-conf"
28TMPC="${TMPDIR1}/${TMPB}.c"
29TMPO="${TMPDIR1}/${TMPB}.o"
30TMPCXX="${TMPDIR1}/${TMPB}.cxx"
31TMPE="${TMPDIR1}/${TMPB}.exe"
32TMPMO="${TMPDIR1}/${TMPB}.mo"
33TMPTXT="${TMPDIR1}/${TMPB}.txt"
34
35rm -f config.log
36
37# Print a helpful header at the top of config.log
38echo "# QEMU configure log $(date)" >> config.log
39printf "# Configured with:" >> config.log
40printf " '%s'" "$0" "$@" >> config.log
41echo >> config.log
42echo "#" >> config.log
43
44print_error() {
45    (echo
46    echo "ERROR: $1"
47    while test -n "$2"; do
48        echo "       $2"
49        shift
50    done
51    echo) >&2
52}
53
54error_exit() {
55    print_error "$@"
56    exit 1
57}
58
59do_compiler() {
60    # Run the compiler, capturing its output to the log. First argument
61    # is compiler binary to execute.
62    local compiler="$1"
63    shift
64    if test -n "$BASH_VERSION"; then eval '
65        echo >>config.log "
66funcs: ${FUNCNAME[*]}
67lines: ${BASH_LINENO[*]}"
68    '; fi
69    echo $compiler "$@" >> config.log
70    $compiler "$@" >> config.log 2>&1 || return $?
71    # Test passed. If this is an --enable-werror build, rerun
72    # the test with -Werror and bail out if it fails. This
73    # makes warning-generating-errors in configure test code
74    # obvious to developers.
75    if test "$werror" != "yes"; then
76        return 0
77    fi
78    # Don't bother rerunning the compile if we were already using -Werror
79    case "$*" in
80        *-Werror*)
81           return 0
82        ;;
83    esac
84    echo $compiler -Werror "$@" >> config.log
85    $compiler -Werror "$@" >> config.log 2>&1 && return $?
86    error_exit "configure test passed without -Werror but failed with -Werror." \
87        "This is probably a bug in the configure script. The failing command" \
88        "will be at the bottom of config.log." \
89        "You can run configure with --disable-werror to bypass this check."
90}
91
92do_cc() {
93    do_compiler "$cc" "$@"
94}
95
96do_cxx() {
97    do_compiler "$cxx" "$@"
98}
99
100# Append $2 to the variable named $1, with space separation
101add_to() {
102    eval $1=\${$1:+\"\$$1 \"}\$2
103}
104
105update_cxxflags() {
106    # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
107    # options which some versions of GCC's C++ compiler complain about
108    # because they only make sense for C programs.
109    QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
110
111    for arg in $QEMU_CFLAGS; do
112        case $arg in
113            -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
114            -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
115                ;;
116            -std=gnu99)
117                QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }"-std=gnu++98"
118                ;;
119            *)
120                QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
121                ;;
122        esac
123    done
124}
125
126compile_object() {
127  local_cflags="$1"
128  do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
129}
130
131compile_prog() {
132  local_cflags="$1"
133  local_ldflags="$2"
134  do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $QEMU_LDFLAGS $local_ldflags
135}
136
137# symbolically link $1 to $2.  Portable version of "ln -sf".
138symlink() {
139  rm -rf "$2"
140  mkdir -p "$(dirname "$2")"
141  ln -s "$1" "$2"
142}
143
144# check whether a command is available to this shell (may be either an
145# executable or a builtin)
146has() {
147    type "$1" >/dev/null 2>&1
148}
149
150# search for an executable in PATH
151path_of() {
152    local_command="$1"
153    local_ifs="$IFS"
154    local_dir=""
155
156    # pathname has a dir component?
157    if [ "${local_command#*/}" != "$local_command" ]; then
158        if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
159            echo "$local_command"
160            return 0
161        fi
162    fi
163    if [ -z "$local_command" ]; then
164        return 1
165    fi
166
167    IFS=:
168    for local_dir in $PATH; do
169        if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
170            echo "$local_dir/$local_command"
171            IFS="${local_ifs:-$(printf ' \t\n')}"
172            return 0
173        fi
174    done
175    # not found
176    IFS="${local_ifs:-$(printf ' \t\n')}"
177    return 1
178}
179
180have_backend () {
181    echo "$trace_backends" | grep "$1" >/dev/null
182}
183
184glob() {
185    eval test -z '"${1#'"$2"'}"'
186}
187
188supported_hax_target() {
189    test "$hax" = "yes" || return 1
190    glob "$1" "*-softmmu" || return 1
191    case "${1%-softmmu}" in
192        i386|x86_64)
193            return 0
194        ;;
195    esac
196    return 1
197}
198
199supported_kvm_target() {
200    test "$kvm" = "yes" || return 1
201    glob "$1" "*-softmmu" || return 1
202    case "${1%-softmmu}:$cpu" in
203        arm:arm | aarch64:aarch64 | \
204        i386:i386 | i386:x86_64 | i386:x32 | \
205        x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
206        mips:mips | mipsel:mips | mips64:mips | mips64el:mips | \
207        ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
208        s390x:s390x)
209            return 0
210        ;;
211    esac
212    return 1
213}
214
215supported_xen_target() {
216    test "$xen" = "yes" || return 1
217    glob "$1" "*-softmmu" || return 1
218    # Only i386 and x86_64 provide the xenpv machine.
219    case "${1%-softmmu}" in
220        i386|x86_64)
221            return 0
222        ;;
223    esac
224    return 1
225}
226
227supported_hvf_target() {
228    test "$hvf" = "yes" || return 1
229    glob "$1" "*-softmmu" || return 1
230    case "${1%-softmmu}" in
231        x86_64)
232            return 0
233        ;;
234    esac
235    return 1
236}
237
238supported_whpx_target() {
239    test "$whpx" = "yes" || return 1
240    glob "$1" "*-softmmu" || return 1
241    case "${1%-softmmu}" in
242        i386|x86_64)
243            return 0
244        ;;
245    esac
246    return 1
247}
248
249supported_target() {
250    case "$1" in
251        *-softmmu)
252            ;;
253        *-linux-user)
254            if test "$linux" != "yes"; then
255                print_error "Target '$target' is only available on a Linux host"
256                return 1
257            fi
258            ;;
259        *-bsd-user)
260            if test "$bsd" != "yes"; then
261                print_error "Target '$target' is only available on a BSD host"
262                return 1
263            fi
264            ;;
265        *)
266            print_error "Invalid target name '$target'"
267            return 1
268            ;;
269    esac
270    test "$tcg" = "yes" && return 0
271    supported_kvm_target "$1" && return 0
272    supported_xen_target "$1" && return 0
273    supported_hax_target "$1" && return 0
274    supported_hvf_target "$1" && return 0
275    supported_whpx_target "$1" && return 0
276    print_error "TCG disabled, but hardware accelerator not available for '$target'"
277    return 1
278}
279
280
281ld_has() {
282    $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
283}
284
285# make source path absolute
286source_path=$(cd "$(dirname -- "$0")"; pwd)
287
288if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
289then
290  error_exit "main directory cannot contain spaces nor colons"
291fi
292
293# default parameters
294cpu=""
295iasl="iasl"
296interp_prefix="/usr/gnemul/qemu-%M"
297static="no"
298cross_prefix=""
299audio_drv_list=""
300block_drv_rw_whitelist=""
301block_drv_ro_whitelist=""
302host_cc="cc"
303libs_cpu=""
304libs_softmmu=""
305libs_tools=""
306audio_win_int=""
307libs_qga=""
308debug_info="yes"
309stack_protector=""
310use_containers="yes"
311gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
312
313if test -e "$source_path/.git"
314then
315    git_update=yes
316    git_submodules="ui/keycodemapdb"
317    git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
318    git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
319else
320    git_update=no
321    git_submodules=""
322
323    if ! test -f "$source_path/ui/keycodemapdb/README"
324    then
325        echo
326        echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
327        echo
328        echo "This is not a GIT checkout but module content appears to"
329        echo "be missing. Do not use 'git archive' or GitHub download links"
330        echo "to acquire QEMU source archives. Non-GIT builds are only"
331        echo "supported with source archives linked from:"
332        echo
333        echo "  https://www.qemu.org/download/#source"
334        echo
335        echo "Developers working with GIT can use scripts/archive-source.sh"
336        echo "if they need to create valid source archives."
337        echo
338        exit 1
339    fi
340fi
341git="git"
342
343# Don't accept a target_list environment variable.
344unset target_list
345unset target_list_exclude
346
347# Default value for a variable defining feature "foo".
348#  * foo="no"  feature will only be used if --enable-foo arg is given
349#  * foo=""    feature will be searched for, and if found, will be used
350#              unless --disable-foo is given
351#  * foo="yes" this value will only be set by --enable-foo flag.
352#              feature will searched for,
353#              if not found, configure exits with error
354#
355# Always add --enable-foo and --disable-foo command line args.
356# Distributions want to ensure that several features are compiled in, and it
357# is impossible without a --enable-foo that exits if a feature is not found.
358
359brlapi=""
360curl=""
361curses=""
362docs=""
363fdt=""
364netmap="no"
365sdl=""
366sdl_image=""
367virtfs=""
368mpath=""
369vnc="yes"
370sparse="no"
371vde=""
372vnc_sasl=""
373vnc_jpeg=""
374vnc_png=""
375xkbcommon=""
376xen=""
377xen_ctrl_version=""
378xen_pci_passthrough=""
379linux_aio=""
380linux_io_uring=""
381cap_ng=""
382attr=""
383libattr=""
384xfs=""
385tcg="yes"
386membarrier=""
387vhost_net=""
388vhost_crypto=""
389vhost_scsi=""
390vhost_vsock=""
391vhost_user=""
392vhost_user_fs=""
393kvm="no"
394hax="no"
395hvf="no"
396whpx="no"
397rdma=""
398pvrdma=""
399gprof="no"
400debug_tcg="no"
401debug="no"
402sanitizers="no"
403tsan="no"
404fortify_source=""
405strip_opt="yes"
406tcg_interpreter="no"
407bigendian="no"
408mingw32="no"
409gcov="no"
410gcov_tool="gcov"
411EXESUF=""
412DSOSUF=".so"
413LDFLAGS_SHARED="-shared"
414modules="no"
415module_upgrades="no"
416prefix="/usr/local"
417mandir="\${prefix}/share/man"
418datadir="\${prefix}/share"
419firmwarepath="\${prefix}/share/qemu-firmware"
420qemu_docdir="\${prefix}/share/doc/qemu"
421bindir="\${prefix}/bin"
422libdir="\${prefix}/lib"
423libexecdir="\${prefix}/libexec"
424includedir="\${prefix}/include"
425sysconfdir="\${prefix}/etc"
426local_statedir="\${prefix}/var"
427confsuffix="/qemu"
428slirp=""
429oss_lib=""
430bsd="no"
431linux="no"
432solaris="no"
433profiler="no"
434cocoa="no"
435softmmu="yes"
436linux_user="no"
437bsd_user="no"
438blobs="yes"
439edk2_blobs="no"
440pkgversion=""
441pie=""
442qom_cast_debug="yes"
443trace_backends="log"
444trace_file="trace"
445spice=""
446rbd=""
447smartcard=""
448libusb=""
449usb_redir=""
450opengl=""
451opengl_dmabuf="no"
452cpuid_h="no"
453avx2_opt=""
454zlib="yes"
455capstone=""
456lzo=""
457snappy=""
458bzip2=""
459lzfse=""
460zstd=""
461guest_agent=""
462guest_agent_with_vss="no"
463guest_agent_ntddscsi="no"
464guest_agent_msi=""
465vss_win32_sdk=""
466win_sdk="no"
467want_tools=""
468libiscsi=""
469libnfs=""
470coroutine=""
471coroutine_pool=""
472debug_stack_usage="no"
473crypto_afalg="no"
474seccomp=""
475glusterfs=""
476glusterfs_xlator_opt="no"
477glusterfs_discard="no"
478glusterfs_fallocate="no"
479glusterfs_zerofill="no"
480glusterfs_ftruncate_has_stat="no"
481glusterfs_iocb_has_stat="no"
482gtk=""
483gtk_gl="no"
484tls_priority="NORMAL"
485gnutls=""
486nettle=""
487nettle_xts="no"
488gcrypt=""
489gcrypt_hmac="no"
490gcrypt_xts="no"
491qemu_private_xts="yes"
492auth_pam=""
493vte=""
494virglrenderer=""
495tpm=""
496libssh=""
497live_block_migration="yes"
498numa=""
499tcmalloc="no"
500jemalloc="no"
501replication="yes"
502vxhs=""
503bochs="yes"
504cloop="yes"
505dmg="yes"
506qcow1="yes"
507vdi="yes"
508vvfat="yes"
509qed="yes"
510parallels="yes"
511sheepdog="yes"
512libxml2=""
513debug_mutex="no"
514libpmem=""
515default_devices="yes"
516plugins="no"
517fuzzing="no"
518rng_none="no"
519secret_keyring=""
520
521supported_cpu="no"
522supported_os="no"
523bogus_os="no"
524malloc_trim=""
525
526# parse CC options first
527for opt do
528  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
529  case "$opt" in
530  --cross-prefix=*) cross_prefix="$optarg"
531  ;;
532  --cc=*) CC="$optarg"
533  ;;
534  --cxx=*) CXX="$optarg"
535  ;;
536  --cpu=*) cpu="$optarg"
537  ;;
538  --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
539                    QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
540  ;;
541  --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
542  ;;
543  --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
544                     EXTRA_LDFLAGS="$optarg"
545  ;;
546  --enable-debug-info) debug_info="yes"
547  ;;
548  --disable-debug-info) debug_info="no"
549  ;;
550  --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
551  ;;
552  --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
553                      eval "cross_cc_cflags_${cc_arch}=\$optarg"
554                      cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
555  ;;
556  --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
557                cc_archs="$cc_archs $cc_arch"
558                eval "cross_cc_${cc_arch}=\$optarg"
559                cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
560  ;;
561  esac
562done
563# OS specific
564# Using uname is really, really broken.  Once we have the right set of checks
565# we can eliminate its usage altogether.
566
567# Preferred compiler:
568#  ${CC} (if set)
569#  ${cross_prefix}gcc (if cross-prefix specified)
570#  system compiler
571if test -z "${CC}${cross_prefix}"; then
572  cc="$host_cc"
573else
574  cc="${CC-${cross_prefix}gcc}"
575fi
576
577if test -z "${CXX}${cross_prefix}"; then
578  cxx="c++"
579else
580  cxx="${CXX-${cross_prefix}g++}"
581fi
582
583ar="${AR-${cross_prefix}ar}"
584as="${AS-${cross_prefix}as}"
585ccas="${CCAS-$cc}"
586cpp="${CPP-$cc -E}"
587objcopy="${OBJCOPY-${cross_prefix}objcopy}"
588ld="${LD-${cross_prefix}ld}"
589ranlib="${RANLIB-${cross_prefix}ranlib}"
590nm="${NM-${cross_prefix}nm}"
591strip="${STRIP-${cross_prefix}strip}"
592windres="${WINDRES-${cross_prefix}windres}"
593pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
594query_pkg_config() {
595    "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
596}
597pkg_config=query_pkg_config
598sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
599
600# If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
601ARFLAGS="${ARFLAGS-rv}"
602
603# default flags for all hosts
604# We use -fwrapv to tell the compiler that we require a C dialect where
605# left shift of signed integers is well defined and has the expected
606# 2s-complement style results. (Both clang and gcc agree that it
607# provides these semantics.)
608QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
609QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
610QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
611QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
612QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
613QEMU_INCLUDES="$QEMU_INCLUDES -iquote \$(SRC_PATH)/disas/libvixl"
614if test "$debug_info" = "yes"; then
615    CFLAGS="-g $CFLAGS"
616fi
617
618# running configure in the source tree?
619# we know that's the case if configure is there.
620if test -f "./configure"; then
621    pwd_is_source_path="y"
622else
623    pwd_is_source_path="n"
624fi
625
626check_define() {
627cat > $TMPC <<EOF
628#if !defined($1)
629#error $1 not defined
630#endif
631int main(void) { return 0; }
632EOF
633  compile_object
634}
635
636check_include() {
637cat > $TMPC <<EOF
638#include <$1>
639int main(void) { return 0; }
640EOF
641  compile_object
642}
643
644write_c_skeleton() {
645    cat > $TMPC <<EOF
646int main(void) { return 0; }
647EOF
648}
649
650write_c_fuzzer_skeleton() {
651    cat > $TMPC <<EOF
652#include <stdint.h>
653#include <sys/types.h>
654int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
655int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
656EOF
657}
658
659if check_define __linux__ ; then
660  targetos="Linux"
661elif check_define _WIN32 ; then
662  targetos='MINGW32'
663elif check_define __OpenBSD__ ; then
664  targetos='OpenBSD'
665elif check_define __sun__ ; then
666  targetos='SunOS'
667elif check_define __HAIKU__ ; then
668  targetos='Haiku'
669elif check_define __FreeBSD__ ; then
670  targetos='FreeBSD'
671elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
672  targetos='GNU/kFreeBSD'
673elif check_define __DragonFly__ ; then
674  targetos='DragonFly'
675elif check_define __NetBSD__; then
676  targetos='NetBSD'
677elif check_define __APPLE__; then
678  targetos='Darwin'
679else
680  # This is a fatal error, but don't report it yet, because we
681  # might be going to just print the --help text, or it might
682  # be the result of a missing compiler.
683  targetos='bogus'
684  bogus_os='yes'
685fi
686
687# Some host OSes need non-standard checks for which CPU to use.
688# Note that these checks are broken for cross-compilation: if you're
689# cross-compiling to one of these OSes then you'll need to specify
690# the correct CPU with the --cpu option.
691case $targetos in
692Darwin)
693  # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
694  # run 64-bit userspace code.
695  # If the user didn't specify a CPU explicitly and the kernel says this is
696  # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
697  if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
698    cpu="x86_64"
699  fi
700  ;;
701SunOS)
702  # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
703  if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
704    cpu="x86_64"
705  fi
706esac
707
708if test ! -z "$cpu" ; then
709  # command line argument
710  :
711elif check_define __i386__ ; then
712  cpu="i386"
713elif check_define __x86_64__ ; then
714  if check_define __ILP32__ ; then
715    cpu="x32"
716  else
717    cpu="x86_64"
718  fi
719elif check_define __sparc__ ; then
720  if check_define __arch64__ ; then
721    cpu="sparc64"
722  else
723    cpu="sparc"
724  fi
725elif check_define _ARCH_PPC ; then
726  if check_define _ARCH_PPC64 ; then
727    if check_define _LITTLE_ENDIAN ; then
728      cpu="ppc64le"
729    else
730      cpu="ppc64"
731    fi
732  else
733    cpu="ppc"
734  fi
735elif check_define __mips__ ; then
736  cpu="mips"
737elif check_define __s390__ ; then
738  if check_define __s390x__ ; then
739    cpu="s390x"
740  else
741    cpu="s390"
742  fi
743elif check_define __riscv ; then
744  if check_define _LP64 ; then
745    cpu="riscv64"
746  else
747    cpu="riscv32"
748  fi
749elif check_define __arm__ ; then
750  cpu="arm"
751elif check_define __aarch64__ ; then
752  cpu="aarch64"
753else
754  cpu=$(uname -m)
755fi
756
757ARCH=
758# Normalise host CPU name and set ARCH.
759# Note that this case should only have supported host CPUs, not guests.
760case "$cpu" in
761  ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
762    supported_cpu="yes"
763  ;;
764  ppc64le)
765    ARCH="ppc64"
766    supported_cpu="yes"
767  ;;
768  i386|i486|i586|i686|i86pc|BePC)
769    cpu="i386"
770    supported_cpu="yes"
771  ;;
772  x86_64|amd64)
773    cpu="x86_64"
774    supported_cpu="yes"
775  ;;
776  armv*b|armv*l|arm)
777    cpu="arm"
778    supported_cpu="yes"
779  ;;
780  aarch64)
781    cpu="aarch64"
782    supported_cpu="yes"
783  ;;
784  mips*)
785    cpu="mips"
786    supported_cpu="yes"
787  ;;
788  sparc|sun4[cdmuv])
789    cpu="sparc"
790    supported_cpu="yes"
791  ;;
792  *)
793    # This will result in either an error or falling back to TCI later
794    ARCH=unknown
795  ;;
796esac
797if test -z "$ARCH"; then
798  ARCH="$cpu"
799fi
800
801# OS specific
802
803# host *BSD for user mode
804HOST_VARIANT_DIR=""
805
806case $targetos in
807MINGW32*)
808  mingw32="yes"
809  hax="yes"
810  vhost_user="no"
811  audio_possible_drivers="dsound sdl"
812  if check_include dsound.h; then
813    audio_drv_list="dsound"
814  else
815    audio_drv_list=""
816  fi
817  supported_os="yes"
818  pie="no"
819;;
820GNU/kFreeBSD)
821  bsd="yes"
822  audio_drv_list="oss try-sdl"
823  audio_possible_drivers="oss sdl pa"
824;;
825FreeBSD)
826  bsd="yes"
827  make="${MAKE-gmake}"
828  audio_drv_list="oss try-sdl"
829  audio_possible_drivers="oss sdl pa"
830  # needed for kinfo_getvmmap(3) in libutil.h
831  LIBS="-lutil $LIBS"
832  # needed for kinfo_getproc
833  libs_qga="-lutil $libs_qga"
834  netmap=""  # enable netmap autodetect
835  HOST_VARIANT_DIR="freebsd"
836  supported_os="yes"
837;;
838DragonFly)
839  bsd="yes"
840  make="${MAKE-gmake}"
841  audio_drv_list="oss try-sdl"
842  audio_possible_drivers="oss sdl pa"
843  HOST_VARIANT_DIR="dragonfly"
844;;
845NetBSD)
846  bsd="yes"
847  hax="yes"
848  make="${MAKE-gmake}"
849  audio_drv_list="oss try-sdl"
850  audio_possible_drivers="oss sdl"
851  oss_lib="-lossaudio"
852  HOST_VARIANT_DIR="netbsd"
853  supported_os="yes"
854;;
855OpenBSD)
856  bsd="yes"
857  make="${MAKE-gmake}"
858  audio_drv_list="try-sdl"
859  audio_possible_drivers="sdl"
860  HOST_VARIANT_DIR="openbsd"
861  supported_os="yes"
862;;
863Darwin)
864  bsd="yes"
865  darwin="yes"
866  hax="yes"
867  hvf="yes"
868  LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
869  if [ "$cpu" = "x86_64" ] ; then
870    QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
871    QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
872  fi
873  cocoa="yes"
874  audio_drv_list="coreaudio try-sdl"
875  audio_possible_drivers="coreaudio sdl"
876  QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
877  libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
878  # Disable attempts to use ObjectiveC features in os/object.h since they
879  # won't work when we're compiling with gcc as a C compiler.
880  QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
881  HOST_VARIANT_DIR="darwin"
882  supported_os="yes"
883;;
884SunOS)
885  solaris="yes"
886  make="${MAKE-gmake}"
887  install="${INSTALL-ginstall}"
888  smbd="${SMBD-/usr/sfw/sbin/smbd}"
889  if test -f /usr/include/sys/soundcard.h ; then
890    audio_drv_list="oss try-sdl"
891  fi
892  audio_possible_drivers="oss sdl"
893# needed for CMSG_ macros in sys/socket.h
894  QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
895# needed for TIOCWIN* defines in termios.h
896  QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
897  QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
898  solarisnetlibs="-lsocket -lnsl -lresolv"
899  LIBS="$solarisnetlibs $LIBS"
900  libs_qga="$solarisnetlibs $libs_qga"
901;;
902Haiku)
903  haiku="yes"
904  QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
905  LIBS="-lposix_error_mapper -lnetwork $LIBS"
906;;
907Linux)
908  audio_drv_list="try-pa oss"
909  audio_possible_drivers="oss alsa sdl pa"
910  linux="yes"
911  linux_user="yes"
912  kvm="yes"
913  QEMU_INCLUDES="-isystem \$(SRC_PATH)/linux-headers -isystem $PWD/linux-headers $QEMU_INCLUDES"
914  supported_os="yes"
915  libudev="yes"
916;;
917esac
918
919if [ "$bsd" = "yes" ] ; then
920  if [ "$darwin" != "yes" ] ; then
921    bsd_user="yes"
922  fi
923fi
924
925: ${make=${MAKE-make}}
926: ${install=${INSTALL-install}}
927# We prefer python 3.x. A bare 'python' is traditionally
928# python 2.x, but some distros have it as python 3.x, so
929# we check that too
930python=
931for binary in "${PYTHON-python3}" python
932do
933    if has "$binary"
934    then
935        python=$(command -v "$binary")
936        break
937    fi
938done
939
940sphinx_build=
941for binary in sphinx-build-3 sphinx-build
942do
943    if has "$binary"
944    then
945        sphinx_build=$(command -v "$binary")
946        break
947    fi
948done
949
950# Check for ancillary tools used in testing
951genisoimage=
952for binary in genisoimage mkisofs
953do
954    if has $binary
955    then
956        genisoimage=$(command -v "$binary")
957        break
958    fi
959done
960
961: ${smbd=${SMBD-/usr/sbin/smbd}}
962
963# Default objcc to clang if available, otherwise use CC
964if has clang; then
965  objcc=clang
966else
967  objcc="$cc"
968fi
969
970if test "$mingw32" = "yes" ; then
971  EXESUF=".exe"
972  DSOSUF=".dll"
973  # MinGW needs -mthreads for TLS and macro _MT.
974  QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
975  LIBS="-lwinmm -lws2_32 $LIBS"
976  write_c_skeleton;
977  if compile_prog "" "-liberty" ; then
978    LIBS="-liberty $LIBS"
979  fi
980  prefix="c:/Program Files/QEMU"
981  mandir="\${prefix}"
982  datadir="\${prefix}"
983  qemu_docdir="\${prefix}"
984  bindir="\${prefix}"
985  sysconfdir="\${prefix}"
986  local_statedir=
987  confsuffix=""
988  libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
989fi
990
991werror=""
992
993for opt do
994  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
995  case "$opt" in
996  --help|-h) show_help=yes
997  ;;
998  --version|-V) exec cat $source_path/VERSION
999  ;;
1000  --prefix=*) prefix="$optarg"
1001  ;;
1002  --interp-prefix=*) interp_prefix="$optarg"
1003  ;;
1004  --cross-prefix=*)
1005  ;;
1006  --cc=*)
1007  ;;
1008  --host-cc=*) host_cc="$optarg"
1009  ;;
1010  --cxx=*)
1011  ;;
1012  --iasl=*) iasl="$optarg"
1013  ;;
1014  --objcc=*) objcc="$optarg"
1015  ;;
1016  --make=*) make="$optarg"
1017  ;;
1018  --install=*) install="$optarg"
1019  ;;
1020  --python=*) python="$optarg"
1021  ;;
1022  --sphinx-build=*) sphinx_build="$optarg"
1023  ;;
1024  --gcov=*) gcov_tool="$optarg"
1025  ;;
1026  --smbd=*) smbd="$optarg"
1027  ;;
1028  --extra-cflags=*)
1029  ;;
1030  --extra-cxxflags=*)
1031  ;;
1032  --extra-ldflags=*)
1033  ;;
1034  --enable-debug-info)
1035  ;;
1036  --disable-debug-info)
1037  ;;
1038  --cross-cc-*)
1039  ;;
1040  --enable-modules)
1041      modules="yes"
1042  ;;
1043  --disable-modules)
1044      modules="no"
1045  ;;
1046  --disable-module-upgrades) module_upgrades="no"
1047  ;;
1048  --enable-module-upgrades) module_upgrades="yes"
1049  ;;
1050  --cpu=*)
1051  ;;
1052  --target-list=*) target_list="$optarg"
1053                   if test "$target_list_exclude"; then
1054                       error_exit "Can't mix --target-list with --target-list-exclude"
1055                   fi
1056  ;;
1057  --target-list-exclude=*) target_list_exclude="$optarg"
1058                   if test "$target_list"; then
1059                       error_exit "Can't mix --target-list-exclude with --target-list"
1060                   fi
1061  ;;
1062  --enable-trace-backends=*) trace_backends="$optarg"
1063  ;;
1064  # XXX: backwards compatibility
1065  --enable-trace-backend=*) trace_backends="$optarg"
1066  ;;
1067  --with-trace-file=*) trace_file="$optarg"
1068  ;;
1069  --with-default-devices) default_devices="yes"
1070  ;;
1071  --without-default-devices) default_devices="no"
1072  ;;
1073  --enable-gprof) gprof="yes"
1074  ;;
1075  --enable-gcov) gcov="yes"
1076  ;;
1077  --static)
1078    static="yes"
1079    QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1080  ;;
1081  --mandir=*) mandir="$optarg"
1082  ;;
1083  --bindir=*) bindir="$optarg"
1084  ;;
1085  --libdir=*) libdir="$optarg"
1086  ;;
1087  --libexecdir=*) libexecdir="$optarg"
1088  ;;
1089  --includedir=*) includedir="$optarg"
1090  ;;
1091  --datadir=*) datadir="$optarg"
1092  ;;
1093  --with-confsuffix=*) confsuffix="$optarg"
1094  ;;
1095  --docdir=*) qemu_docdir="$optarg"
1096  ;;
1097  --sysconfdir=*) sysconfdir="$optarg"
1098  ;;
1099  --localstatedir=*) local_statedir="$optarg"
1100  ;;
1101  --firmwarepath=*) firmwarepath="$optarg"
1102  ;;
1103  --host=*|--build=*|\
1104  --disable-dependency-tracking|\
1105  --sbindir=*|--sharedstatedir=*|\
1106  --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1107  --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1108    # These switches are silently ignored, for compatibility with
1109    # autoconf-generated configure scripts. This allows QEMU's
1110    # configure to be used by RPM and similar macros that set
1111    # lots of directory switches by default.
1112  ;;
1113  --disable-sdl) sdl="no"
1114  ;;
1115  --enable-sdl) sdl="yes"
1116  ;;
1117  --disable-sdl-image) sdl_image="no"
1118  ;;
1119  --enable-sdl-image) sdl_image="yes"
1120  ;;
1121  --disable-qom-cast-debug) qom_cast_debug="no"
1122  ;;
1123  --enable-qom-cast-debug) qom_cast_debug="yes"
1124  ;;
1125  --disable-virtfs) virtfs="no"
1126  ;;
1127  --enable-virtfs) virtfs="yes"
1128  ;;
1129  --disable-mpath) mpath="no"
1130  ;;
1131  --enable-mpath) mpath="yes"
1132  ;;
1133  --disable-vnc) vnc="no"
1134  ;;
1135  --enable-vnc) vnc="yes"
1136  ;;
1137  --oss-lib=*) oss_lib="$optarg"
1138  ;;
1139  --audio-drv-list=*) audio_drv_list="$optarg"
1140  ;;
1141  --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1142  ;;
1143  --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1144  ;;
1145  --enable-debug-tcg) debug_tcg="yes"
1146  ;;
1147  --disable-debug-tcg) debug_tcg="no"
1148  ;;
1149  --enable-debug)
1150      # Enable debugging options that aren't excessively noisy
1151      debug_tcg="yes"
1152      debug_mutex="yes"
1153      debug="yes"
1154      strip_opt="no"
1155      fortify_source="no"
1156  ;;
1157  --enable-sanitizers) sanitizers="yes"
1158  ;;
1159  --disable-sanitizers) sanitizers="no"
1160  ;;
1161  --enable-tsan) tsan="yes"
1162  ;;
1163  --disable-tsan) tsan="no"
1164  ;;
1165  --enable-sparse) sparse="yes"
1166  ;;
1167  --disable-sparse) sparse="no"
1168  ;;
1169  --disable-strip) strip_opt="no"
1170  ;;
1171  --disable-vnc-sasl) vnc_sasl="no"
1172  ;;
1173  --enable-vnc-sasl) vnc_sasl="yes"
1174  ;;
1175  --disable-vnc-jpeg) vnc_jpeg="no"
1176  ;;
1177  --enable-vnc-jpeg) vnc_jpeg="yes"
1178  ;;
1179  --disable-vnc-png) vnc_png="no"
1180  ;;
1181  --enable-vnc-png) vnc_png="yes"
1182  ;;
1183  --disable-slirp) slirp="no"
1184  ;;
1185  --enable-slirp=git) slirp="git"
1186  ;;
1187  --enable-slirp=system) slirp="system"
1188  ;;
1189  --disable-vde) vde="no"
1190  ;;
1191  --enable-vde) vde="yes"
1192  ;;
1193  --disable-netmap) netmap="no"
1194  ;;
1195  --enable-netmap) netmap="yes"
1196  ;;
1197  --disable-xen) xen="no"
1198  ;;
1199  --enable-xen) xen="yes"
1200  ;;
1201  --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1202  ;;
1203  --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1204  ;;
1205  --disable-brlapi) brlapi="no"
1206  ;;
1207  --enable-brlapi) brlapi="yes"
1208  ;;
1209  --disable-kvm) kvm="no"
1210  ;;
1211  --enable-kvm) kvm="yes"
1212  ;;
1213  --disable-hax) hax="no"
1214  ;;
1215  --enable-hax) hax="yes"
1216  ;;
1217  --disable-hvf) hvf="no"
1218  ;;
1219  --enable-hvf) hvf="yes"
1220  ;;
1221  --disable-whpx) whpx="no"
1222  ;;
1223  --enable-whpx) whpx="yes"
1224  ;;
1225  --disable-tcg-interpreter) tcg_interpreter="no"
1226  ;;
1227  --enable-tcg-interpreter) tcg_interpreter="yes"
1228  ;;
1229  --disable-cap-ng)  cap_ng="no"
1230  ;;
1231  --enable-cap-ng) cap_ng="yes"
1232  ;;
1233  --disable-tcg) tcg="no"
1234  ;;
1235  --enable-tcg) tcg="yes"
1236  ;;
1237  --disable-malloc-trim) malloc_trim="no"
1238  ;;
1239  --enable-malloc-trim) malloc_trim="yes"
1240  ;;
1241  --disable-spice) spice="no"
1242  ;;
1243  --enable-spice) spice="yes"
1244  ;;
1245  --disable-libiscsi) libiscsi="no"
1246  ;;
1247  --enable-libiscsi) libiscsi="yes"
1248  ;;
1249  --disable-libnfs) libnfs="no"
1250  ;;
1251  --enable-libnfs) libnfs="yes"
1252  ;;
1253  --enable-profiler) profiler="yes"
1254  ;;
1255  --disable-cocoa) cocoa="no"
1256  ;;
1257  --enable-cocoa)
1258      cocoa="yes" ;
1259      audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1260  ;;
1261  --disable-system) softmmu="no"
1262  ;;
1263  --enable-system) softmmu="yes"
1264  ;;
1265  --disable-user)
1266      linux_user="no" ;
1267      bsd_user="no" ;
1268  ;;
1269  --enable-user) ;;
1270  --disable-linux-user) linux_user="no"
1271  ;;
1272  --enable-linux-user) linux_user="yes"
1273  ;;
1274  --disable-bsd-user) bsd_user="no"
1275  ;;
1276  --enable-bsd-user) bsd_user="yes"
1277  ;;
1278  --enable-pie) pie="yes"
1279  ;;
1280  --disable-pie) pie="no"
1281  ;;
1282  --enable-werror) werror="yes"
1283  ;;
1284  --disable-werror) werror="no"
1285  ;;
1286  --enable-stack-protector) stack_protector="yes"
1287  ;;
1288  --disable-stack-protector) stack_protector="no"
1289  ;;
1290  --disable-curses) curses="no"
1291  ;;
1292  --enable-curses) curses="yes"
1293  ;;
1294  --disable-iconv) iconv="no"
1295  ;;
1296  --enable-iconv) iconv="yes"
1297  ;;
1298  --disable-curl) curl="no"
1299  ;;
1300  --enable-curl) curl="yes"
1301  ;;
1302  --disable-fdt) fdt="no"
1303  ;;
1304  --enable-fdt) fdt="yes"
1305  ;;
1306  --disable-linux-aio) linux_aio="no"
1307  ;;
1308  --enable-linux-aio) linux_aio="yes"
1309  ;;
1310  --disable-linux-io-uring) linux_io_uring="no"
1311  ;;
1312  --enable-linux-io-uring) linux_io_uring="yes"
1313  ;;
1314  --disable-attr) attr="no"
1315  ;;
1316  --enable-attr) attr="yes"
1317  ;;
1318  --disable-membarrier) membarrier="no"
1319  ;;
1320  --enable-membarrier) membarrier="yes"
1321  ;;
1322  --disable-blobs) blobs="no"
1323  ;;
1324  --with-pkgversion=*) pkgversion="$optarg"
1325  ;;
1326  --with-coroutine=*) coroutine="$optarg"
1327  ;;
1328  --disable-coroutine-pool) coroutine_pool="no"
1329  ;;
1330  --enable-coroutine-pool) coroutine_pool="yes"
1331  ;;
1332  --enable-debug-stack-usage) debug_stack_usage="yes"
1333  ;;
1334  --enable-crypto-afalg) crypto_afalg="yes"
1335  ;;
1336  --disable-crypto-afalg) crypto_afalg="no"
1337  ;;
1338  --disable-docs) docs="no"
1339  ;;
1340  --enable-docs) docs="yes"
1341  ;;
1342  --disable-vhost-net) vhost_net="no"
1343  ;;
1344  --enable-vhost-net) vhost_net="yes"
1345  ;;
1346  --disable-vhost-crypto) vhost_crypto="no"
1347  ;;
1348  --enable-vhost-crypto) vhost_crypto="yes"
1349  ;;
1350  --disable-vhost-scsi) vhost_scsi="no"
1351  ;;
1352  --enable-vhost-scsi) vhost_scsi="yes"
1353  ;;
1354  --disable-vhost-vsock) vhost_vsock="no"
1355  ;;
1356  --enable-vhost-vsock) vhost_vsock="yes"
1357  ;;
1358  --disable-vhost-user-fs) vhost_user_fs="no"
1359  ;;
1360  --enable-vhost-user-fs) vhost_user_fs="yes"
1361  ;;
1362  --disable-opengl) opengl="no"
1363  ;;
1364  --enable-opengl) opengl="yes"
1365  ;;
1366  --disable-rbd) rbd="no"
1367  ;;
1368  --enable-rbd) rbd="yes"
1369  ;;
1370  --disable-xfsctl) xfs="no"
1371  ;;
1372  --enable-xfsctl) xfs="yes"
1373  ;;
1374  --disable-smartcard) smartcard="no"
1375  ;;
1376  --enable-smartcard) smartcard="yes"
1377  ;;
1378  --disable-libusb) libusb="no"
1379  ;;
1380  --enable-libusb) libusb="yes"
1381  ;;
1382  --disable-usb-redir) usb_redir="no"
1383  ;;
1384  --enable-usb-redir) usb_redir="yes"
1385  ;;
1386  --disable-zlib-test) zlib="no"
1387  ;;
1388  --disable-lzo) lzo="no"
1389  ;;
1390  --enable-lzo) lzo="yes"
1391  ;;
1392  --disable-snappy) snappy="no"
1393  ;;
1394  --enable-snappy) snappy="yes"
1395  ;;
1396  --disable-bzip2) bzip2="no"
1397  ;;
1398  --enable-bzip2) bzip2="yes"
1399  ;;
1400  --enable-lzfse) lzfse="yes"
1401  ;;
1402  --disable-lzfse) lzfse="no"
1403  ;;
1404  --disable-zstd) zstd="no"
1405  ;;
1406  --enable-zstd) zstd="yes"
1407  ;;
1408  --enable-guest-agent) guest_agent="yes"
1409  ;;
1410  --disable-guest-agent) guest_agent="no"
1411  ;;
1412  --enable-guest-agent-msi) guest_agent_msi="yes"
1413  ;;
1414  --disable-guest-agent-msi) guest_agent_msi="no"
1415  ;;
1416  --with-vss-sdk) vss_win32_sdk=""
1417  ;;
1418  --with-vss-sdk=*) vss_win32_sdk="$optarg"
1419  ;;
1420  --without-vss-sdk) vss_win32_sdk="no"
1421  ;;
1422  --with-win-sdk) win_sdk=""
1423  ;;
1424  --with-win-sdk=*) win_sdk="$optarg"
1425  ;;
1426  --without-win-sdk) win_sdk="no"
1427  ;;
1428  --enable-tools) want_tools="yes"
1429  ;;
1430  --disable-tools) want_tools="no"
1431  ;;
1432  --enable-seccomp) seccomp="yes"
1433  ;;
1434  --disable-seccomp) seccomp="no"
1435  ;;
1436  --disable-glusterfs) glusterfs="no"
1437  ;;
1438  --disable-avx2) avx2_opt="no"
1439  ;;
1440  --enable-avx2) avx2_opt="yes"
1441  ;;
1442  --disable-avx512f) avx512f_opt="no"
1443  ;;
1444  --enable-avx512f) avx512f_opt="yes"
1445  ;;
1446
1447  --enable-glusterfs) glusterfs="yes"
1448  ;;
1449  --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1450      echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1451  ;;
1452  --enable-vhdx|--disable-vhdx)
1453      echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1454  ;;
1455  --enable-uuid|--disable-uuid)
1456      echo "$0: $opt is obsolete, UUID support is always built" >&2
1457  ;;
1458  --disable-gtk) gtk="no"
1459  ;;
1460  --enable-gtk) gtk="yes"
1461  ;;
1462  --tls-priority=*) tls_priority="$optarg"
1463  ;;
1464  --disable-gnutls) gnutls="no"
1465  ;;
1466  --enable-gnutls) gnutls="yes"
1467  ;;
1468  --disable-nettle) nettle="no"
1469  ;;
1470  --enable-nettle) nettle="yes"
1471  ;;
1472  --disable-gcrypt) gcrypt="no"
1473  ;;
1474  --enable-gcrypt) gcrypt="yes"
1475  ;;
1476  --disable-auth-pam) auth_pam="no"
1477  ;;
1478  --enable-auth-pam) auth_pam="yes"
1479  ;;
1480  --enable-rdma) rdma="yes"
1481  ;;
1482  --disable-rdma) rdma="no"
1483  ;;
1484  --enable-pvrdma) pvrdma="yes"
1485  ;;
1486  --disable-pvrdma) pvrdma="no"
1487  ;;
1488  --disable-vte) vte="no"
1489  ;;
1490  --enable-vte) vte="yes"
1491  ;;
1492  --disable-virglrenderer) virglrenderer="no"
1493  ;;
1494  --enable-virglrenderer) virglrenderer="yes"
1495  ;;
1496  --disable-tpm) tpm="no"
1497  ;;
1498  --enable-tpm) tpm="yes"
1499  ;;
1500  --disable-libssh) libssh="no"
1501  ;;
1502  --enable-libssh) libssh="yes"
1503  ;;
1504  --disable-live-block-migration) live_block_migration="no"
1505  ;;
1506  --enable-live-block-migration) live_block_migration="yes"
1507  ;;
1508  --disable-numa) numa="no"
1509  ;;
1510  --enable-numa) numa="yes"
1511  ;;
1512  --disable-libxml2) libxml2="no"
1513  ;;
1514  --enable-libxml2) libxml2="yes"
1515  ;;
1516  --disable-tcmalloc) tcmalloc="no"
1517  ;;
1518  --enable-tcmalloc) tcmalloc="yes"
1519  ;;
1520  --disable-jemalloc) jemalloc="no"
1521  ;;
1522  --enable-jemalloc) jemalloc="yes"
1523  ;;
1524  --disable-replication) replication="no"
1525  ;;
1526  --enable-replication) replication="yes"
1527  ;;
1528  --disable-vxhs) vxhs="no"
1529  ;;
1530  --enable-vxhs) vxhs="yes"
1531  ;;
1532  --disable-bochs) bochs="no"
1533  ;;
1534  --enable-bochs) bochs="yes"
1535  ;;
1536  --disable-cloop) cloop="no"
1537  ;;
1538  --enable-cloop) cloop="yes"
1539  ;;
1540  --disable-dmg) dmg="no"
1541  ;;
1542  --enable-dmg) dmg="yes"
1543  ;;
1544  --disable-qcow1) qcow1="no"
1545  ;;
1546  --enable-qcow1) qcow1="yes"
1547  ;;
1548  --disable-vdi) vdi="no"
1549  ;;
1550  --enable-vdi) vdi="yes"
1551  ;;
1552  --disable-vvfat) vvfat="no"
1553  ;;
1554  --enable-vvfat) vvfat="yes"
1555  ;;
1556  --disable-qed) qed="no"
1557  ;;
1558  --enable-qed) qed="yes"
1559  ;;
1560  --disable-parallels) parallels="no"
1561  ;;
1562  --enable-parallels) parallels="yes"
1563  ;;
1564  --disable-sheepdog) sheepdog="no"
1565  ;;
1566  --enable-sheepdog) sheepdog="yes"
1567  ;;
1568  --disable-vhost-user) vhost_user="no"
1569  ;;
1570  --enable-vhost-user) vhost_user="yes"
1571  ;;
1572  --disable-vhost-kernel) vhost_kernel="no"
1573  ;;
1574  --enable-vhost-kernel) vhost_kernel="yes"
1575  ;;
1576  --disable-capstone) capstone="no"
1577  ;;
1578  --enable-capstone) capstone="yes"
1579  ;;
1580  --enable-capstone=git) capstone="git"
1581  ;;
1582  --enable-capstone=system) capstone="system"
1583  ;;
1584  --with-git=*) git="$optarg"
1585  ;;
1586  --enable-git-update) git_update=yes
1587  ;;
1588  --disable-git-update) git_update=no
1589  ;;
1590  --enable-debug-mutex) debug_mutex=yes
1591  ;;
1592  --disable-debug-mutex) debug_mutex=no
1593  ;;
1594  --enable-libpmem) libpmem=yes
1595  ;;
1596  --disable-libpmem) libpmem=no
1597  ;;
1598  --enable-xkbcommon) xkbcommon=yes
1599  ;;
1600  --disable-xkbcommon) xkbcommon=no
1601  ;;
1602  --enable-plugins) plugins="yes"
1603  ;;
1604  --disable-plugins) plugins="no"
1605  ;;
1606  --enable-containers) use_containers="yes"
1607  ;;
1608  --disable-containers) use_containers="no"
1609  ;;
1610  --enable-fuzzing) fuzzing=yes
1611  ;;
1612  --disable-fuzzing) fuzzing=no
1613  ;;
1614  --gdb=*) gdb_bin="$optarg"
1615  ;;
1616  --enable-rng-none) rng_none=yes
1617  ;;
1618  --disable-rng-none) rng_none=no
1619  ;;
1620  --enable-keyring) secret_keyring="yes"
1621  ;;
1622  --disable-keyring) secret_keyring="no"
1623  ;;
1624  *)
1625      echo "ERROR: unknown option $opt"
1626      echo "Try '$0 --help' for more information"
1627      exit 1
1628  ;;
1629  esac
1630done
1631
1632case "$cpu" in
1633    ppc)
1634           CPU_CFLAGS="-m32"
1635           QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1636           ;;
1637    ppc64)
1638           CPU_CFLAGS="-m64"
1639           QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1640           ;;
1641    sparc)
1642           CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1643           QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1644           ;;
1645    sparc64)
1646           CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1647           QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1648           ;;
1649    s390)
1650           CPU_CFLAGS="-m31"
1651           QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1652           ;;
1653    s390x)
1654           CPU_CFLAGS="-m64"
1655           QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1656           ;;
1657    i386)
1658           CPU_CFLAGS="-m32"
1659           QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1660           ;;
1661    x86_64)
1662           # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1663           # If we truly care, we should simply detect this case at
1664           # runtime and generate the fallback to serial emulation.
1665           CPU_CFLAGS="-m64 -mcx16"
1666           QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1667           ;;
1668    x32)
1669           CPU_CFLAGS="-mx32"
1670           QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1671           ;;
1672    # No special flags required for other host CPUs
1673esac
1674
1675eval "cross_cc_${cpu}=\$host_cc"
1676cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1677QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1678
1679# For user-mode emulation the host arch has to be one we explicitly
1680# support, even if we're using TCI.
1681if [ "$ARCH" = "unknown" ]; then
1682  bsd_user="no"
1683  linux_user="no"
1684fi
1685
1686if [ "$bsd_user" = "no" -a "$linux_user" = "no" -a "$softmmu" = "no" ] ; then
1687  tcg="no"
1688fi
1689
1690default_target_list=""
1691
1692mak_wilds=""
1693
1694if [ "$softmmu" = "yes" ]; then
1695    mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1696fi
1697if [ "$linux_user" = "yes" ]; then
1698    mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1699fi
1700if [ "$bsd_user" = "yes" ]; then
1701    mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1702fi
1703
1704if test -z "$target_list_exclude"; then
1705    for config in $mak_wilds; do
1706        default_target_list="${default_target_list} $(basename "$config" .mak)"
1707    done
1708else
1709    exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1710    for config in $mak_wilds; do
1711        target="$(basename "$config" .mak)"
1712        exclude="no"
1713        for excl in $exclude_list; do
1714            if test "$excl" = "$target"; then
1715                exclude="yes"
1716                break;
1717            fi
1718        done
1719        if test "$exclude" = "no"; then
1720            default_target_list="${default_target_list} $target"
1721        fi
1722    done
1723fi
1724
1725# Enumerate public trace backends for --help output
1726trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1727
1728if test x"$show_help" = x"yes" ; then
1729cat << EOF
1730
1731Usage: configure [options]
1732Options: [defaults in brackets after descriptions]
1733
1734Standard options:
1735  --help                   print this message
1736  --prefix=PREFIX          install in PREFIX [$prefix]
1737  --interp-prefix=PREFIX   where to find shared libraries, etc.
1738                           use %M for cpu name [$interp_prefix]
1739  --target-list=LIST       set target list (default: build everything)
1740$(echo Available targets: $default_target_list | \
1741  fold -s -w 53 | sed -e 's/^/                           /')
1742  --target-list-exclude=LIST exclude a set of targets from the default target-list
1743
1744Advanced options (experts only):
1745  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1746  --cc=CC                  use C compiler CC [$cc]
1747  --iasl=IASL              use ACPI compiler IASL [$iasl]
1748  --host-cc=CC             use C compiler CC [$host_cc] for code run at
1749                           build time
1750  --cxx=CXX                use C++ compiler CXX [$cxx]
1751  --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1752  --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1753  --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1754  --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1755  --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1756  --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1757  --make=MAKE              use specified make [$make]
1758  --install=INSTALL        use specified install [$install]
1759  --python=PYTHON          use specified python [$python]
1760  --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1761  --smbd=SMBD              use specified smbd [$smbd]
1762  --with-git=GIT           use specified git [$git]
1763  --static                 enable static build [$static]
1764  --mandir=PATH            install man pages in PATH
1765  --datadir=PATH           install firmware in PATH$confsuffix
1766  --docdir=PATH            install documentation in PATH$confsuffix
1767  --bindir=PATH            install binaries in PATH
1768  --libdir=PATH            install libraries in PATH
1769  --libexecdir=PATH        install helper binaries in PATH
1770  --sysconfdir=PATH        install config in PATH$confsuffix
1771  --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1772  --firmwarepath=PATH      search PATH for firmware files
1773  --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1774  --with-pkgversion=VERS   use specified string as sub-version of the package
1775  --enable-debug           enable common debug build options
1776  --enable-sanitizers      enable default sanitizers
1777  --enable-tsan            enable thread sanitizer
1778  --disable-strip          disable stripping binaries
1779  --disable-werror         disable compilation abort on warning
1780  --disable-stack-protector disable compiler-provided stack protection
1781  --audio-drv-list=LIST    set audio drivers list:
1782                           Available drivers: $audio_possible_drivers
1783  --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1784  --block-drv-rw-whitelist=L
1785                           set block driver read-write whitelist
1786                           (affects only QEMU, not qemu-img)
1787  --block-drv-ro-whitelist=L
1788                           set block driver read-only whitelist
1789                           (affects only QEMU, not qemu-img)
1790  --enable-trace-backends=B Set trace backend
1791                           Available backends: $trace_backend_list
1792  --with-trace-file=NAME   Full PATH,NAME of file to store traces
1793                           Default:trace-<pid>
1794  --disable-slirp          disable SLIRP userspace network connectivity
1795  --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1796  --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1797  --oss-lib                path to OSS library
1798  --cpu=CPU                Build for host CPU [$cpu]
1799  --with-coroutine=BACKEND coroutine backend. Supported options:
1800                           ucontext, sigaltstack, windows
1801  --enable-gcov            enable test coverage analysis with gcov
1802  --gcov=GCOV              use specified gcov [$gcov_tool]
1803  --disable-blobs          disable installing provided firmware blobs
1804  --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1805  --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1806  --tls-priority           default TLS protocol/cipher priority string
1807  --enable-gprof           QEMU profiling with gprof
1808  --enable-profiler        profiler support
1809  --enable-debug-stack-usage
1810                           track the maximum stack usage of stacks created by qemu_alloc_stack
1811  --enable-plugins
1812                           enable plugins via shared library loading
1813  --disable-containers     don't use containers for cross-building
1814  --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1815
1816Optional features, enabled with --enable-FEATURE and
1817disabled with --disable-FEATURE, default is enabled if available:
1818
1819  system          all system emulation targets
1820  user            supported user emulation targets
1821  linux-user      all linux usermode emulation targets
1822  bsd-user        all BSD usermode emulation targets
1823  docs            build documentation
1824  guest-agent     build the QEMU Guest Agent
1825  guest-agent-msi build guest agent Windows MSI installation package
1826  pie             Position Independent Executables
1827  modules         modules support (non-Windows)
1828  module-upgrades try to load modules from alternate paths for upgrades
1829  debug-tcg       TCG debugging (default is disabled)
1830  debug-info      debugging information
1831  sparse          sparse checker
1832
1833  gnutls          GNUTLS cryptography support
1834  nettle          nettle cryptography support
1835  gcrypt          libgcrypt cryptography support
1836  auth-pam        PAM access control
1837  sdl             SDL UI
1838  sdl-image       SDL Image support for icons
1839  gtk             gtk UI
1840  vte             vte support for the gtk UI
1841  curses          curses UI
1842  iconv           font glyph conversion support
1843  vnc             VNC UI support
1844  vnc-sasl        SASL encryption for VNC server
1845  vnc-jpeg        JPEG lossy compression for VNC server
1846  vnc-png         PNG compression for VNC server
1847  cocoa           Cocoa UI (Mac OS X only)
1848  virtfs          VirtFS
1849  mpath           Multipath persistent reservation passthrough
1850  xen             xen backend driver support
1851  xen-pci-passthrough    PCI passthrough support for Xen
1852  brlapi          BrlAPI (Braile)
1853  curl            curl connectivity
1854  membarrier      membarrier system call (for Linux 4.14+ or Windows)
1855  fdt             fdt device tree
1856  kvm             KVM acceleration support
1857  hax             HAX acceleration support
1858  hvf             Hypervisor.framework acceleration support
1859  whpx            Windows Hypervisor Platform acceleration support
1860  rdma            Enable RDMA-based migration
1861  pvrdma          Enable PVRDMA support
1862  vde             support for vde network
1863  netmap          support for netmap network
1864  linux-aio       Linux AIO support
1865  linux-io-uring  Linux io_uring support
1866  cap-ng          libcap-ng support
1867  attr            attr and xattr support
1868  vhost-net       vhost-net kernel acceleration support
1869  vhost-vsock     virtio sockets device support
1870  vhost-scsi      vhost-scsi kernel target support
1871  vhost-crypto    vhost-user-crypto backend support
1872  vhost-kernel    vhost kernel backend support
1873  vhost-user      vhost-user backend support
1874  spice           spice
1875  rbd             rados block device (rbd)
1876  libiscsi        iscsi support
1877  libnfs          nfs support
1878  smartcard       smartcard support (libcacard)
1879  libusb          libusb (for usb passthrough)
1880  live-block-migration   Block migration in the main migration stream
1881  usb-redir       usb network redirection support
1882  lzo             support of lzo compression library
1883  snappy          support of snappy compression library
1884  bzip2           support of bzip2 compression library
1885                  (for reading bzip2-compressed dmg images)
1886  lzfse           support of lzfse compression library
1887                  (for reading lzfse-compressed dmg images)
1888  zstd            support for zstd compression library
1889                  (for migration compression and qcow2 cluster compression)
1890  seccomp         seccomp support
1891  coroutine-pool  coroutine freelist (better performance)
1892  glusterfs       GlusterFS backend
1893  tpm             TPM support
1894  libssh          ssh block device support
1895  numa            libnuma support
1896  libxml2         for Parallels image format
1897  tcmalloc        tcmalloc support
1898  jemalloc        jemalloc support
1899  avx2            AVX2 optimization support
1900  avx512f         AVX512F optimization support
1901  replication     replication support
1902  opengl          opengl support
1903  virglrenderer   virgl rendering support
1904  xfsctl          xfsctl support
1905  qom-cast-debug  cast debugging support
1906  tools           build qemu-io, qemu-nbd and qemu-img tools
1907  vxhs            Veritas HyperScale vDisk backend support
1908  bochs           bochs image format support
1909  cloop           cloop image format support
1910  dmg             dmg image format support
1911  qcow1           qcow v1 image format support
1912  vdi             vdi image format support
1913  vvfat           vvfat image format support
1914  qed             qed image format support
1915  parallels       parallels image format support
1916  sheepdog        sheepdog block driver support
1917  crypto-afalg    Linux AF_ALG crypto backend driver
1918  capstone        capstone disassembler support
1919  debug-mutex     mutex debugging support
1920  libpmem         libpmem support
1921  xkbcommon       xkbcommon support
1922  rng-none        dummy RNG, avoid using /dev/(u)random and getrandom()
1923
1924NOTE: The object files are built at the place where configure is launched
1925EOF
1926exit 0
1927fi
1928
1929# Remove old dependency files to make sure that they get properly regenerated
1930rm -f */config-devices.mak.d
1931
1932# Remove syscall_nr.h to be sure they will be regenerated in the build
1933# directory, not in the source directory
1934for arch in alpha hppa m68k xtensa sh4 microblaze arm ppc s390x sparc sparc64 \
1935    i386 x86_64 mips mips64 ; do
1936    # remove the file if it has been generated in the source directory
1937    rm -f "${source_path}/linux-user/${arch}/syscall_nr.h"
1938    # remove the dependency files
1939    for target in ${arch}*-linux-user ; do
1940        test -d "${target}" && find "${target}" -type f -name "*.d" \
1941             -exec grep -q "${source_path}/linux-user/${arch}/syscall_nr.h" {} \; \
1942             -print | while read file ; do rm "${file}" "${file%.d}.o" ; done
1943    done
1944done
1945
1946if test -z "$python"
1947then
1948    error_exit "Python not found. Use --python=/path/to/python"
1949fi
1950
1951# Note that if the Python conditional here evaluates True we will exit
1952# with status 1 which is a shell 'false' value.
1953if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
1954  error_exit "Cannot use '$python', Python >= 3.5 is required." \
1955      "Use --python=/path/to/python to specify a supported Python."
1956fi
1957
1958# Preserve python version since some functionality is dependent on it
1959python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null)
1960
1961# Suppress writing compiled files
1962python="$python -B"
1963
1964# Check that the C compiler works. Doing this here before testing
1965# the host CPU ensures that we had a valid CC to autodetect the
1966# $cpu var (and we should bail right here if that's not the case).
1967# It also allows the help message to be printed without a CC.
1968write_c_skeleton;
1969if compile_object ; then
1970  : C compiler works ok
1971else
1972    error_exit "\"$cc\" either does not exist or does not work"
1973fi
1974if ! compile_prog ; then
1975    error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1976fi
1977
1978# Now we have handled --enable-tcg-interpreter and know we're not just
1979# printing the help message, bail out if the host CPU isn't supported.
1980if test "$ARCH" = "unknown"; then
1981    if test "$tcg_interpreter" = "yes" ; then
1982        echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1983    else
1984        error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1985    fi
1986fi
1987
1988# Consult white-list to determine whether to enable werror
1989# by default.  Only enable by default for git builds
1990if test -z "$werror" ; then
1991    if test -e "$source_path/.git" && \
1992        { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1993        werror="yes"
1994    else
1995        werror="no"
1996    fi
1997fi
1998
1999if test "$bogus_os" = "yes"; then
2000    # Now that we know that we're not printing the help and that
2001    # the compiler works (so the results of the check_defines we used
2002    # to identify the OS are reliable), if we didn't recognize the
2003    # host OS we should stop now.
2004    error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
2005fi
2006
2007# Check whether the compiler matches our minimum requirements:
2008cat > $TMPC << EOF
2009#if defined(__clang_major__) && defined(__clang_minor__)
2010# ifdef __apple_build_version__
2011#  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
2012#   error You need at least XCode Clang v5.1 to compile QEMU
2013#  endif
2014# else
2015#  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
2016#   error You need at least Clang v3.4 to compile QEMU
2017#  endif
2018# endif
2019#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
2020# if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
2021#  error You need at least GCC v4.8 to compile QEMU
2022# endif
2023#else
2024# error You either need GCC or Clang to compiler QEMU
2025#endif
2026int main (void) { return 0; }
2027EOF
2028if ! compile_prog "" "" ; then
2029    error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2030fi
2031
2032# Accumulate -Wfoo and -Wno-bar separately.
2033# We will list all of the enable flags first, and the disable flags second.
2034# Note that we do not add -Werror, because that would enable it for all
2035# configure tests. If a configure test failed due to -Werror this would
2036# just silently disable some features, so it's too error prone.
2037
2038warn_flags=
2039add_to warn_flags -Wold-style-declaration
2040add_to warn_flags -Wold-style-definition
2041add_to warn_flags -Wtype-limits
2042add_to warn_flags -Wformat-security
2043add_to warn_flags -Wformat-y2k
2044add_to warn_flags -Winit-self
2045add_to warn_flags -Wignored-qualifiers
2046add_to warn_flags -Wempty-body
2047add_to warn_flags -Wnested-externs
2048add_to warn_flags -Wendif-labels
2049add_to warn_flags -Wexpansion-to-defined
2050
2051nowarn_flags=
2052add_to nowarn_flags -Wno-initializer-overrides
2053add_to nowarn_flags -Wno-missing-include-dirs
2054add_to nowarn_flags -Wno-shift-negative-value
2055add_to nowarn_flags -Wno-string-plus-int
2056add_to nowarn_flags -Wno-typedef-redefinition
2057add_to nowarn_flags -Wno-tautological-type-limit-compare
2058add_to nowarn_flags -Wno-psabi
2059
2060gcc_flags="$warn_flags $nowarn_flags"
2061
2062cc_has_warning_flag() {
2063    write_c_skeleton;
2064
2065    # Use the positive sense of the flag when testing for -Wno-wombat
2066    # support (gcc will happily accept the -Wno- form of unknown
2067    # warning options).
2068    optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2069    compile_prog "-Werror $optflag" ""
2070}
2071
2072for flag in $gcc_flags; do
2073    if cc_has_warning_flag $flag ; then
2074        QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2075    fi
2076done
2077
2078if test "$stack_protector" != "no"; then
2079  cat > $TMPC << EOF
2080int main(int argc, char *argv[])
2081{
2082    char arr[64], *p = arr, *c = argv[0];
2083    while (*c) {
2084        *p++ = *c++;
2085    }
2086    return 0;
2087}
2088EOF
2089  gcc_flags="-fstack-protector-strong -fstack-protector-all"
2090  sp_on=0
2091  for flag in $gcc_flags; do
2092    # We need to check both a compile and a link, since some compiler
2093    # setups fail only on a .c->.o compile and some only at link time
2094    if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
2095       compile_prog "-Werror $flag" ""; then
2096      QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2097      QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2098      sp_on=1
2099      break
2100    fi
2101  done
2102  if test "$stack_protector" = yes; then
2103    if test $sp_on = 0; then
2104      error_exit "Stack protector not supported"
2105    fi
2106  fi
2107fi
2108
2109# Disable -Wmissing-braces on older compilers that warn even for
2110# the "universal" C zero initializer {0}.
2111cat > $TMPC << EOF
2112struct {
2113  int a[2];
2114} x = {0};
2115EOF
2116if compile_object "-Werror" "" ; then
2117  :
2118else
2119  QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2120fi
2121
2122# Our module code doesn't support Windows
2123if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2124  error_exit "Modules are not available for Windows"
2125fi
2126
2127# module_upgrades is only reasonable if modules are enabled
2128if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2129  error_exit "Can't enable module-upgrades as Modules are not enabled"
2130fi
2131
2132# Static linking is not possible with modules or PIE
2133if test "$static" = "yes" ; then
2134  if test "$modules" = "yes" ; then
2135    error_exit "static and modules are mutually incompatible"
2136  fi
2137fi
2138
2139# Unconditional check for compiler __thread support
2140  cat > $TMPC << EOF
2141static __thread int tls_var;
2142int main(void) { return tls_var; }
2143EOF
2144
2145if ! compile_prog "-Werror" "" ; then
2146    error_exit "Your compiler does not support the __thread specifier for " \
2147	"Thread-Local Storage (TLS). Please upgrade to a version that does."
2148fi
2149
2150cat > $TMPC << EOF
2151
2152#ifdef __linux__
2153#  define THREAD __thread
2154#else
2155#  define THREAD
2156#endif
2157static THREAD int tls_var;
2158int main(void) { return tls_var; }
2159EOF
2160
2161# Check we support --no-pie first; we will need this for building ROMs.
2162if compile_prog "-Werror -fno-pie" "-no-pie"; then
2163  CFLAGS_NOPIE="-fno-pie"
2164  LDFLAGS_NOPIE="-no-pie"
2165fi
2166
2167if test "$static" = "yes"; then
2168  if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2169    QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
2170    QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2171    pie="yes"
2172  elif test "$pie" = "yes"; then
2173    error_exit "-static-pie not available due to missing toolchain support"
2174  else
2175    QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2176    pie="no"
2177  fi
2178elif test "$pie" = "no"; then
2179  QEMU_CFLAGS="$CFLAGS_NOPIE $QEMU_CFLAGS"
2180  QEMU_LDFLAGS="$LDFLAGS_NOPIE $QEMU_LDFLAGS"
2181elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2182  QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
2183  QEMU_LDFLAGS="-pie $QEMU_LDFLAGS"
2184  pie="yes"
2185elif test "$pie" = "yes"; then
2186  error_exit "PIE not available due to missing toolchain support"
2187else
2188  echo "Disabling PIE due to missing toolchain support"
2189  pie="no"
2190fi
2191
2192# Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2193# The combination is known as "full relro", because .got.plt is read-only too.
2194if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2195  QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2196fi
2197
2198##########################################
2199# __sync_fetch_and_and requires at least -march=i486. Many toolchains
2200# use i686 as default anyway, but for those that don't, an explicit
2201# specification is necessary
2202
2203if test "$cpu" = "i386"; then
2204  cat > $TMPC << EOF
2205static int sfaa(int *ptr)
2206{
2207  return __sync_fetch_and_and(ptr, 0);
2208}
2209
2210int main(void)
2211{
2212  int val = 42;
2213  val = __sync_val_compare_and_swap(&val, 0, 1);
2214  sfaa(&val);
2215  return val;
2216}
2217EOF
2218  if ! compile_prog "" "" ; then
2219    QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2220  fi
2221fi
2222
2223#########################################
2224# Solaris specific configure tool chain decisions
2225
2226if test "$solaris" = "yes" ; then
2227  if has $install; then
2228    :
2229  else
2230    error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2231        "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2232        "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2233  fi
2234  if test "$(path_of $install)" = "/usr/sbin/install" ; then
2235    error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2236        "try ginstall from the GNU fileutils available from www.blastwave.org" \
2237        "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2238  fi
2239  if has ar; then
2240    :
2241  else
2242    if test -f /usr/ccs/bin/ar ; then
2243      error_exit "No path includes ar" \
2244          "Add /usr/ccs/bin to your path and rerun configure"
2245    fi
2246    error_exit "No path includes ar"
2247  fi
2248fi
2249
2250if test -z "${target_list+xxx}" ; then
2251    for target in $default_target_list; do
2252        supported_target $target 2>/dev/null && \
2253            target_list="$target_list $target"
2254    done
2255    target_list="${target_list# }"
2256else
2257    target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2258    for target in $target_list; do
2259        # Check that we recognised the target name; this allows a more
2260        # friendly error message than if we let it fall through.
2261        case " $default_target_list " in
2262            *" $target "*)
2263                ;;
2264            *)
2265                error_exit "Unknown target name '$target'"
2266                ;;
2267        esac
2268        supported_target $target || exit 1
2269    done
2270fi
2271
2272# see if system emulation was really requested
2273case " $target_list " in
2274  *"-softmmu "*) softmmu=yes
2275  ;;
2276  *) softmmu=no
2277  ;;
2278esac
2279
2280for target in $target_list; do
2281  case "$target" in
2282    arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2283      edk2_blobs="yes"
2284      ;;
2285  esac
2286done
2287# The EDK2 binaries are compressed with bzip2
2288if test "$edk2_blobs" = "yes" && ! has bzip2; then
2289  error_exit "The bzip2 program is required for building QEMU"
2290fi
2291
2292feature_not_found() {
2293  feature=$1
2294  remedy=$2
2295
2296  error_exit "User requested feature $feature" \
2297      "configure was not able to find it." \
2298      "$remedy"
2299}
2300
2301# ---
2302# big/little endian test
2303cat > $TMPC << EOF
2304short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2305short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2306extern int foo(short *, short *);
2307int main(int argc, char *argv[]) {
2308    return foo(big_endian, little_endian);
2309}
2310EOF
2311
2312if compile_object ; then
2313    if strings -a $TMPO | grep -q BiGeNdIaN ; then
2314        bigendian="yes"
2315    elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2316        bigendian="no"
2317    else
2318        echo big/little test failed
2319    fi
2320else
2321    echo big/little test failed
2322fi
2323
2324##########################################
2325# system tools
2326if test -z "$want_tools"; then
2327    if test "$softmmu" = "no"; then
2328        want_tools=no
2329    else
2330        want_tools=yes
2331    fi
2332fi
2333
2334##########################################
2335# cocoa implies not SDL or GTK
2336# (the cocoa UI code currently assumes it is always the active UI
2337# and doesn't interact well with other UI frontend code)
2338if test "$cocoa" = "yes"; then
2339    if test "$sdl" = "yes"; then
2340        error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2341    fi
2342    if test "$gtk" = "yes"; then
2343        error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2344    fi
2345    gtk=no
2346    sdl=no
2347fi
2348
2349# Some versions of Mac OS X incorrectly define SIZE_MAX
2350cat > $TMPC << EOF
2351#include <stdint.h>
2352#include <stdio.h>
2353int main(int argc, char *argv[]) {
2354    return printf("%zu", SIZE_MAX);
2355}
2356EOF
2357have_broken_size_max=no
2358if ! compile_object -Werror ; then
2359    have_broken_size_max=yes
2360fi
2361
2362##########################################
2363# L2TPV3 probe
2364
2365cat > $TMPC <<EOF
2366#include <sys/socket.h>
2367#include <linux/ip.h>
2368int main(void) { return sizeof(struct mmsghdr); }
2369EOF
2370if compile_prog "" "" ; then
2371  l2tpv3=yes
2372else
2373  l2tpv3=no
2374fi
2375
2376#########################################
2377# vhost interdependencies and host support
2378
2379# vhost backends
2380test "$vhost_user" = "" && vhost_user=yes
2381if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2382  error_exit "vhost-user isn't available on win32"
2383fi
2384test "$vhost_kernel" = "" && vhost_kernel=$linux
2385if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2386  error_exit "vhost-kernel is only available on Linux"
2387fi
2388
2389# vhost-kernel devices
2390test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2391if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2392  error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2393fi
2394test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2395if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2396  error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2397fi
2398
2399# vhost-user backends
2400test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2401if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2402  error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2403fi
2404test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2405if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2406  error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2407fi
2408test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2409if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2410  error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2411fi
2412
2413# OR the vhost-kernel and vhost-user values for simplicity
2414if test "$vhost_net" = ""; then
2415  test "$vhost_net_user" = "yes" && vhost_net=yes
2416  test "$vhost_kernel" = "yes" && vhost_net=yes
2417fi
2418
2419##########################################
2420# MinGW / Mingw-w64 localtime_r/gmtime_r check
2421
2422if test "$mingw32" = "yes"; then
2423    # Some versions of MinGW / Mingw-w64 lack localtime_r
2424    # and gmtime_r entirely.
2425    #
2426    # Some versions of Mingw-w64 define a macro for
2427    # localtime_r/gmtime_r.
2428    #
2429    # Some versions of Mingw-w64 will define functions
2430    # for localtime_r/gmtime_r, but only if you have
2431    # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2432    # though, unistd.h and pthread.h both define
2433    # that for you.
2434    #
2435    # So this #undef localtime_r and #include <unistd.h>
2436    # are not in fact redundant.
2437cat > $TMPC << EOF
2438#include <unistd.h>
2439#include <time.h>
2440#undef localtime_r
2441int main(void) { localtime_r(NULL, NULL); return 0; }
2442EOF
2443    if compile_prog "" "" ; then
2444        localtime_r="yes"
2445    else
2446        localtime_r="no"
2447    fi
2448fi
2449
2450##########################################
2451# pkg-config probe
2452
2453if ! has "$pkg_config_exe"; then
2454  error_exit "pkg-config binary '$pkg_config_exe' not found"
2455fi
2456
2457##########################################
2458# NPTL probe
2459
2460if test "$linux_user" = "yes"; then
2461  cat > $TMPC <<EOF
2462#include <sched.h>
2463#include <linux/futex.h>
2464int main(void) {
2465#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2466#error bork
2467#endif
2468  return 0;
2469}
2470EOF
2471  if ! compile_object ; then
2472    feature_not_found "nptl" "Install glibc and linux kernel headers."
2473  fi
2474fi
2475
2476##########################################
2477# lzo check
2478
2479if test "$lzo" != "no" ; then
2480    cat > $TMPC << EOF
2481#include <lzo/lzo1x.h>
2482int main(void) { lzo_version(); return 0; }
2483EOF
2484    if compile_prog "" "-llzo2" ; then
2485        libs_softmmu="$libs_softmmu -llzo2"
2486        lzo="yes"
2487    else
2488        if test "$lzo" = "yes"; then
2489            feature_not_found "liblzo2" "Install liblzo2 devel"
2490        fi
2491        lzo="no"
2492    fi
2493fi
2494
2495##########################################
2496# snappy check
2497
2498if test "$snappy" != "no" ; then
2499    cat > $TMPC << EOF
2500#include <snappy-c.h>
2501int main(void) { snappy_max_compressed_length(4096); return 0; }
2502EOF
2503    if compile_prog "" "-lsnappy" ; then
2504        libs_softmmu="$libs_softmmu -lsnappy"
2505        snappy="yes"
2506    else
2507        if test "$snappy" = "yes"; then
2508            feature_not_found "libsnappy" "Install libsnappy devel"
2509        fi
2510        snappy="no"
2511    fi
2512fi
2513
2514##########################################
2515# bzip2 check
2516
2517if test "$bzip2" != "no" ; then
2518    cat > $TMPC << EOF
2519#include <bzlib.h>
2520int main(void) { BZ2_bzlibVersion(); return 0; }
2521EOF
2522    if compile_prog "" "-lbz2" ; then
2523        bzip2="yes"
2524    else
2525        if test "$bzip2" = "yes"; then
2526            feature_not_found "libbzip2" "Install libbzip2 devel"
2527        fi
2528        bzip2="no"
2529    fi
2530fi
2531
2532##########################################
2533# lzfse check
2534
2535if test "$lzfse" != "no" ; then
2536    cat > $TMPC << EOF
2537#include <lzfse.h>
2538int main(void) { lzfse_decode_scratch_size(); return 0; }
2539EOF
2540    if compile_prog "" "-llzfse" ; then
2541        lzfse="yes"
2542    else
2543        if test "$lzfse" = "yes"; then
2544            feature_not_found "lzfse" "Install lzfse devel"
2545        fi
2546        lzfse="no"
2547    fi
2548fi
2549
2550##########################################
2551# zstd check
2552
2553if test "$zstd" != "no" ; then
2554    libzstd_minver="1.4.0"
2555    if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2556        zstd_cflags="$($pkg_config --cflags libzstd)"
2557        zstd_libs="$($pkg_config --libs libzstd)"
2558        LIBS="$zstd_libs $LIBS"
2559        QEMU_CFLAGS="$QEMU_CFLAGS $zstd_cflags"
2560        zstd="yes"
2561    else
2562        if test "$zstd" = "yes" ; then
2563            feature_not_found "libzstd" "Install libzstd devel"
2564        fi
2565        zstd="no"
2566    fi
2567fi
2568
2569##########################################
2570# libseccomp check
2571
2572if test "$seccomp" != "no" ; then
2573    libseccomp_minver="2.3.0"
2574    if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2575        seccomp_cflags="$($pkg_config --cflags libseccomp)"
2576        seccomp_libs="$($pkg_config --libs libseccomp)"
2577        seccomp="yes"
2578    else
2579        if test "$seccomp" = "yes" ; then
2580            feature_not_found "libseccomp" \
2581                 "Install libseccomp devel >= $libseccomp_minver"
2582        fi
2583        seccomp="no"
2584    fi
2585fi
2586##########################################
2587# xen probe
2588
2589if test "$xen" != "no" ; then
2590  # Check whether Xen library path is specified via --extra-ldflags to avoid
2591  # overriding this setting with pkg-config output. If not, try pkg-config
2592  # to obtain all needed flags.
2593
2594  if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2595     $pkg_config --exists xencontrol ; then
2596    xen_ctrl_version="$(printf '%d%02d%02d' \
2597      $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2598    xen=yes
2599    xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2600    xen_pc="$xen_pc xenevtchn xendevicemodel"
2601    if $pkg_config --exists xentoolcore; then
2602      xen_pc="$xen_pc xentoolcore"
2603    fi
2604    QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2605    libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2606  else
2607
2608    xen_libs="-lxenstore -lxenctrl -lxenguest"
2609    xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2610
2611    # First we test whether Xen headers and libraries are available.
2612    # If no, we are done and there is no Xen support.
2613    # If yes, more tests are run to detect the Xen version.
2614
2615    # Xen (any)
2616    cat > $TMPC <<EOF
2617#include <xenctrl.h>
2618int main(void) {
2619  return 0;
2620}
2621EOF
2622    if ! compile_prog "" "$xen_libs" ; then
2623      # Xen not found
2624      if test "$xen" = "yes" ; then
2625        feature_not_found "xen" "Install xen devel"
2626      fi
2627      xen=no
2628
2629    # Xen unstable
2630    elif
2631        cat > $TMPC <<EOF &&
2632#undef XC_WANT_COMPAT_DEVICEMODEL_API
2633#define __XEN_TOOLS__
2634#include <xendevicemodel.h>
2635#include <xenforeignmemory.h>
2636int main(void) {
2637  xendevicemodel_handle *xd;
2638  xenforeignmemory_handle *xfmem;
2639
2640  xd = xendevicemodel_open(0, 0);
2641  xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2642
2643  xfmem = xenforeignmemory_open(0, 0);
2644  xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2645
2646  return 0;
2647}
2648EOF
2649        compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2650      then
2651      xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2652      xen_ctrl_version=41100
2653      xen=yes
2654    elif
2655        cat > $TMPC <<EOF &&
2656#undef XC_WANT_COMPAT_MAP_FOREIGN_API
2657#include <xenforeignmemory.h>
2658#include <xentoolcore.h>
2659int main(void) {
2660  xenforeignmemory_handle *xfmem;
2661
2662  xfmem = xenforeignmemory_open(0, 0);
2663  xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2664  xentoolcore_restrict_all(0);
2665
2666  return 0;
2667}
2668EOF
2669        compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2670      then
2671      xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2672      xen_ctrl_version=41000
2673      xen=yes
2674    elif
2675        cat > $TMPC <<EOF &&
2676#undef XC_WANT_COMPAT_DEVICEMODEL_API
2677#define __XEN_TOOLS__
2678#include <xendevicemodel.h>
2679int main(void) {
2680  xendevicemodel_handle *xd;
2681
2682  xd = xendevicemodel_open(0, 0);
2683  xendevicemodel_close(xd);
2684
2685  return 0;
2686}
2687EOF
2688        compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2689      then
2690      xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2691      xen_ctrl_version=40900
2692      xen=yes
2693    elif
2694        cat > $TMPC <<EOF &&
2695/*
2696 * If we have stable libs the we don't want the libxc compat
2697 * layers, regardless of what CFLAGS we may have been given.
2698 *
2699 * Also, check if xengnttab_grant_copy_segment_t is defined and
2700 * grant copy operation is implemented.
2701 */
2702#undef XC_WANT_COMPAT_EVTCHN_API
2703#undef XC_WANT_COMPAT_GNTTAB_API
2704#undef XC_WANT_COMPAT_MAP_FOREIGN_API
2705#include <xenctrl.h>
2706#include <xenstore.h>
2707#include <xenevtchn.h>
2708#include <xengnttab.h>
2709#include <xenforeignmemory.h>
2710#include <stdint.h>
2711#include <xen/hvm/hvm_info_table.h>
2712#if !defined(HVM_MAX_VCPUS)
2713# error HVM_MAX_VCPUS not defined
2714#endif
2715int main(void) {
2716  xc_interface *xc = NULL;
2717  xenforeignmemory_handle *xfmem;
2718  xenevtchn_handle *xe;
2719  xengnttab_handle *xg;
2720  xengnttab_grant_copy_segment_t* seg = NULL;
2721
2722  xs_daemon_open();
2723
2724  xc = xc_interface_open(0, 0, 0);
2725  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2726  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2727  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2728  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2729
2730  xfmem = xenforeignmemory_open(0, 0);
2731  xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2732
2733  xe = xenevtchn_open(0, 0);
2734  xenevtchn_fd(xe);
2735
2736  xg = xengnttab_open(0, 0);
2737  xengnttab_grant_copy(xg, 0, seg);
2738
2739  return 0;
2740}
2741EOF
2742        compile_prog "" "$xen_libs $xen_stable_libs"
2743      then
2744      xen_ctrl_version=40800
2745      xen=yes
2746    elif
2747        cat > $TMPC <<EOF &&
2748/*
2749 * If we have stable libs the we don't want the libxc compat
2750 * layers, regardless of what CFLAGS we may have been given.
2751 */
2752#undef XC_WANT_COMPAT_EVTCHN_API
2753#undef XC_WANT_COMPAT_GNTTAB_API
2754#undef XC_WANT_COMPAT_MAP_FOREIGN_API
2755#include <xenctrl.h>
2756#include <xenstore.h>
2757#include <xenevtchn.h>
2758#include <xengnttab.h>
2759#include <xenforeignmemory.h>
2760#include <stdint.h>
2761#include <xen/hvm/hvm_info_table.h>
2762#if !defined(HVM_MAX_VCPUS)
2763# error HVM_MAX_VCPUS not defined
2764#endif
2765int main(void) {
2766  xc_interface *xc = NULL;
2767  xenforeignmemory_handle *xfmem;
2768  xenevtchn_handle *xe;
2769  xengnttab_handle *xg;
2770
2771  xs_daemon_open();
2772
2773  xc = xc_interface_open(0, 0, 0);
2774  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2775  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2776  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2777  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2778
2779  xfmem = xenforeignmemory_open(0, 0);
2780  xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2781
2782  xe = xenevtchn_open(0, 0);
2783  xenevtchn_fd(xe);
2784
2785  xg = xengnttab_open(0, 0);
2786  xengnttab_map_grant_ref(xg, 0, 0, 0);
2787
2788  return 0;
2789}
2790EOF
2791        compile_prog "" "$xen_libs $xen_stable_libs"
2792      then
2793      xen_ctrl_version=40701
2794      xen=yes
2795
2796    # Xen 4.6
2797    elif
2798        cat > $TMPC <<EOF &&
2799#include <xenctrl.h>
2800#include <xenstore.h>
2801#include <stdint.h>
2802#include <xen/hvm/hvm_info_table.h>
2803#if !defined(HVM_MAX_VCPUS)
2804# error HVM_MAX_VCPUS not defined
2805#endif
2806int main(void) {
2807  xc_interface *xc;
2808  xs_daemon_open();
2809  xc = xc_interface_open(0, 0, 0);
2810  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2811  xc_gnttab_open(NULL, 0);
2812  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2813  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2814  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2815  xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2816  return 0;
2817}
2818EOF
2819        compile_prog "" "$xen_libs"
2820      then
2821      xen_ctrl_version=40600
2822      xen=yes
2823
2824    # Xen 4.5
2825    elif
2826        cat > $TMPC <<EOF &&
2827#include <xenctrl.h>
2828#include <xenstore.h>
2829#include <stdint.h>
2830#include <xen/hvm/hvm_info_table.h>
2831#if !defined(HVM_MAX_VCPUS)
2832# error HVM_MAX_VCPUS not defined
2833#endif
2834int main(void) {
2835  xc_interface *xc;
2836  xs_daemon_open();
2837  xc = xc_interface_open(0, 0, 0);
2838  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2839  xc_gnttab_open(NULL, 0);
2840  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2841  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2842  xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2843  return 0;
2844}
2845EOF
2846        compile_prog "" "$xen_libs"
2847      then
2848      xen_ctrl_version=40500
2849      xen=yes
2850
2851    elif
2852        cat > $TMPC <<EOF &&
2853#include <xenctrl.h>
2854#include <xenstore.h>
2855#include <stdint.h>
2856#include <xen/hvm/hvm_info_table.h>
2857#if !defined(HVM_MAX_VCPUS)
2858# error HVM_MAX_VCPUS not defined
2859#endif
2860int main(void) {
2861  xc_interface *xc;
2862  xs_daemon_open();
2863  xc = xc_interface_open(0, 0, 0);
2864  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2865  xc_gnttab_open(NULL, 0);
2866  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2867  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2868  return 0;
2869}
2870EOF
2871        compile_prog "" "$xen_libs"
2872      then
2873      xen_ctrl_version=40200
2874      xen=yes
2875
2876    else
2877      if test "$xen" = "yes" ; then
2878        feature_not_found "xen (unsupported version)" \
2879                          "Install a supported xen (xen 4.2 or newer)"
2880      fi
2881      xen=no
2882    fi
2883
2884    if test "$xen" = yes; then
2885      if test $xen_ctrl_version -ge 40701  ; then
2886        libs_softmmu="$xen_stable_libs $libs_softmmu"
2887      fi
2888      libs_softmmu="$xen_libs $libs_softmmu"
2889    fi
2890  fi
2891fi
2892
2893if test "$xen_pci_passthrough" != "no"; then
2894  if test "$xen" = "yes" && test "$linux" = "yes"; then
2895    xen_pci_passthrough=yes
2896  else
2897    if test "$xen_pci_passthrough" = "yes"; then
2898      error_exit "User requested feature Xen PCI Passthrough" \
2899          " but this feature requires /sys from Linux"
2900    fi
2901    xen_pci_passthrough=no
2902  fi
2903fi
2904
2905##########################################
2906# Windows Hypervisor Platform accelerator (WHPX) check
2907if test "$whpx" != "no" ; then
2908    if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2909        whpx="yes"
2910    else
2911        if test "$whpx" = "yes"; then
2912            feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2913        fi
2914        whpx="no"
2915    fi
2916fi
2917
2918##########################################
2919# Sparse probe
2920if test "$sparse" != "no" ; then
2921  if has cgcc; then
2922    sparse=yes
2923  else
2924    if test "$sparse" = "yes" ; then
2925      feature_not_found "sparse" "Install sparse binary"
2926    fi
2927    sparse=no
2928  fi
2929fi
2930
2931##########################################
2932# X11 probe
2933if $pkg_config --exists "x11"; then
2934    have_x11=yes
2935    x11_cflags=$($pkg_config --cflags x11)
2936    x11_libs=$($pkg_config --libs x11)
2937fi
2938
2939##########################################
2940# GTK probe
2941
2942if test "$gtk" != "no"; then
2943    gtkpackage="gtk+-3.0"
2944    gtkx11package="gtk+-x11-3.0"
2945    gtkversion="3.22.0"
2946    if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2947        gtk_cflags=$($pkg_config --cflags $gtkpackage)
2948        gtk_libs=$($pkg_config --libs $gtkpackage)
2949        gtk_version=$($pkg_config --modversion $gtkpackage)
2950        if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2951            need_x11=yes
2952            gtk_cflags="$gtk_cflags $x11_cflags"
2953            gtk_libs="$gtk_libs $x11_libs"
2954        fi
2955        gtk="yes"
2956    elif test "$gtk" = "yes"; then
2957        feature_not_found "gtk" "Install gtk3-devel"
2958    else
2959        gtk="no"
2960    fi
2961fi
2962
2963
2964##########################################
2965# GNUTLS probe
2966
2967if test "$gnutls" != "no"; then
2968    pass="no"
2969    if $pkg_config --exists "gnutls >= 3.1.18"; then
2970        gnutls_cflags=$($pkg_config --cflags gnutls)
2971        gnutls_libs=$($pkg_config --libs gnutls)
2972        # Packaging for the static libraries is not always correct.
2973        # At least ubuntu 18.04 ships only shared libraries.
2974        write_c_skeleton
2975        if compile_prog "" "$gnutls_libs" ; then
2976            LIBS="$gnutls_libs $LIBS"
2977            QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2978            pass="yes"
2979        fi
2980    fi
2981    if test "$pass" = "no" && test "$gnutls" = "yes"; then
2982	feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2983    else
2984        gnutls="$pass"
2985    fi
2986fi
2987
2988
2989# If user didn't give a --disable/enable-gcrypt flag,
2990# then mark as disabled if user requested nettle
2991# explicitly
2992if test -z "$gcrypt"
2993then
2994    if test "$nettle" = "yes"
2995    then
2996        gcrypt="no"
2997    fi
2998fi
2999
3000# If user didn't give a --disable/enable-nettle flag,
3001# then mark as disabled if user requested gcrypt
3002# explicitly
3003if test -z "$nettle"
3004then
3005    if test "$gcrypt" = "yes"
3006    then
3007        nettle="no"
3008    fi
3009fi
3010
3011has_libgcrypt() {
3012    if ! has "libgcrypt-config"
3013    then
3014	return 1
3015    fi
3016
3017    if test -n "$cross_prefix"
3018    then
3019	host=$(libgcrypt-config --host)
3020	if test "$host-" != $cross_prefix
3021	then
3022	    return 1
3023	fi
3024    fi
3025
3026    maj=`libgcrypt-config --version | awk -F . '{print $1}'`
3027    min=`libgcrypt-config --version | awk -F . '{print $2}'`
3028
3029    if test $maj != 1 || test $min -lt 5
3030    then
3031       return 1
3032    fi
3033
3034    return 0
3035}
3036
3037
3038if test "$nettle" != "no"; then
3039    pass="no"
3040    if $pkg_config --exists "nettle >= 2.7.1"; then
3041        nettle_cflags=$($pkg_config --cflags nettle)
3042        nettle_libs=$($pkg_config --libs nettle)
3043        nettle_version=$($pkg_config --modversion nettle)
3044        # Link test to make sure the given libraries work (e.g for static).
3045        write_c_skeleton
3046        if compile_prog "" "$nettle_libs" ; then
3047            LIBS="$nettle_libs $LIBS"
3048            QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
3049            if test -z "$gcrypt"; then
3050               gcrypt="no"
3051            fi
3052            pass="yes"
3053        fi
3054    fi
3055    if test "$pass" = "yes"
3056    then
3057        cat > $TMPC << EOF
3058#include <nettle/xts.h>
3059int main(void) {
3060  return 0;
3061}
3062EOF
3063        if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3064            nettle_xts=yes
3065            qemu_private_xts=no
3066        fi
3067    fi
3068    if test "$pass" = "no" && test "$nettle" = "yes"; then
3069        feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3070    else
3071        nettle="$pass"
3072    fi
3073fi
3074
3075if test "$gcrypt" != "no"; then
3076    pass="no"
3077    if has_libgcrypt; then
3078        gcrypt_cflags=$(libgcrypt-config --cflags)
3079        gcrypt_libs=$(libgcrypt-config --libs)
3080        # Debian has removed -lgpg-error from libgcrypt-config
3081        # as it "spreads unnecessary dependencies" which in
3082        # turn breaks static builds...
3083        if test "$static" = "yes"
3084        then
3085            gcrypt_libs="$gcrypt_libs -lgpg-error"
3086        fi
3087
3088        # Link test to make sure the given libraries work (e.g for static).
3089        write_c_skeleton
3090        if compile_prog "" "$gcrypt_libs" ; then
3091            LIBS="$gcrypt_libs $LIBS"
3092            QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
3093            pass="yes"
3094        fi
3095    fi
3096    if test "$pass" = "yes"; then
3097        gcrypt="yes"
3098        cat > $TMPC << EOF
3099#include <gcrypt.h>
3100int main(void) {
3101  gcry_mac_hd_t handle;
3102  gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3103                GCRY_MAC_FLAG_SECURE, NULL);
3104  return 0;
3105}
3106EOF
3107        if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3108            gcrypt_hmac=yes
3109        fi
3110        cat > $TMPC << EOF
3111#include <gcrypt.h>
3112int main(void) {
3113  gcry_cipher_hd_t handle;
3114  gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3115  return 0;
3116}
3117EOF
3118        if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3119            gcrypt_xts=yes
3120            qemu_private_xts=no
3121        fi
3122    elif test "$gcrypt" = "yes"; then
3123        feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3124    else
3125        gcrypt="no"
3126    fi
3127fi
3128
3129
3130if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3131then
3132    error_exit "Only one of gcrypt & nettle can be enabled"
3133fi
3134
3135##########################################
3136# libtasn1 - only for the TLS creds/session test suite
3137
3138tasn1=yes
3139tasn1_cflags=""
3140tasn1_libs=""
3141if $pkg_config --exists "libtasn1"; then
3142    tasn1_cflags=$($pkg_config --cflags libtasn1)
3143    tasn1_libs=$($pkg_config --libs libtasn1)
3144else
3145    tasn1=no
3146fi
3147
3148
3149##########################################
3150# PAM probe
3151
3152if test "$auth_pam" != "no"; then
3153    cat > $TMPC <<EOF
3154#include <security/pam_appl.h>
3155#include <stdio.h>
3156int main(void) {
3157   const char *service_name = "qemu";
3158   const char *user = "frank";
3159   const struct pam_conv pam_conv = { 0 };
3160   pam_handle_t *pamh = NULL;
3161   pam_start(service_name, user, &pam_conv, &pamh);
3162   return 0;
3163}
3164EOF
3165    if compile_prog "" "-lpam" ; then
3166        auth_pam=yes
3167    else
3168        if test "$auth_pam" = "yes"; then
3169            feature_not_found "PAM" "Install PAM development package"
3170        else
3171            auth_pam=no
3172        fi
3173    fi
3174fi
3175
3176##########################################
3177# getifaddrs (for tests/test-io-channel-socket )
3178
3179have_ifaddrs_h=yes
3180if ! check_include "ifaddrs.h" ; then
3181  have_ifaddrs_h=no
3182fi
3183
3184##########################################
3185# VTE probe
3186
3187if test "$vte" != "no"; then
3188    vteminversion="0.32.0"
3189    if $pkg_config --exists "vte-2.91"; then
3190      vtepackage="vte-2.91"
3191    else
3192      vtepackage="vte-2.90"
3193    fi
3194    if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3195        vte_cflags=$($pkg_config --cflags $vtepackage)
3196        vte_libs=$($pkg_config --libs $vtepackage)
3197        vteversion=$($pkg_config --modversion $vtepackage)
3198        vte="yes"
3199    elif test "$vte" = "yes"; then
3200        feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3201    else
3202        vte="no"
3203    fi
3204fi
3205
3206##########################################
3207# SDL probe
3208
3209# Look for sdl configuration program (pkg-config or sdl2-config).  Try
3210# sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3211
3212sdl_probe ()
3213{
3214  if $pkg_config sdl2 --exists; then
3215    sdlconfig="$pkg_config sdl2"
3216    sdlversion=$($sdlconfig --modversion 2>/dev/null)
3217  elif has "$sdl2_config"; then
3218    sdlconfig="$sdl2_config"
3219    sdlversion=$($sdlconfig --version)
3220  else
3221    if test "$sdl" = "yes" ; then
3222      feature_not_found "sdl" "Install SDL2-devel"
3223    fi
3224    sdl=no
3225    # no need to do the rest
3226    return
3227  fi
3228  if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3229    echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3230  fi
3231
3232  cat > $TMPC << EOF
3233#include <SDL.h>
3234#undef main /* We don't want SDL to override our main() */
3235int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3236EOF
3237  sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3238  sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3239  if test "$static" = "yes" ; then
3240    if $pkg_config sdl2 --exists; then
3241      sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3242    else
3243      sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3244    fi
3245  else
3246    sdl_libs=$($sdlconfig --libs 2>/dev/null)
3247  fi
3248  if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3249    sdl=yes
3250
3251    # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3252    if test "$sdl" = "yes" && test "$static" = "yes" ; then
3253      if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3254         sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3255         sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3256      fi
3257      if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3258	:
3259      else
3260        sdl=no
3261      fi
3262    fi # static link
3263  else # sdl not found
3264    if test "$sdl" = "yes" ; then
3265      feature_not_found "sdl" "Install SDL2 devel"
3266    fi
3267    sdl=no
3268  fi # sdl compile test
3269}
3270
3271sdl_image_probe ()
3272{
3273    if test "$sdl_image" != "no" ; then
3274        if $pkg_config SDL2_image --exists; then
3275            if test "$static" = "yes"; then
3276                sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3277            else
3278                sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3279            fi
3280            sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3281            sdl_image=yes
3282
3283            sdl_cflags="$sdl_cflags $sdl_image_cflags"
3284            sdl_libs="$sdl_libs $sdl_image_libs"
3285        else
3286            if test "$sdl_image" = "yes" ; then
3287                feature_not_found "sdl_image" "Install SDL Image devel"
3288            else
3289                sdl_image=no
3290            fi
3291        fi
3292    fi
3293}
3294
3295if test "$sdl" != "no" ; then
3296  sdl_probe
3297fi
3298
3299if test "$sdl" = "yes" ; then
3300  sdl_image_probe
3301else
3302  if test "$sdl_image" = "yes"; then
3303    echo "warning: SDL Image requested, but SDL is not available, disabling"
3304  fi
3305  sdl_image=no
3306fi
3307
3308if test "$sdl" = "yes" ; then
3309  cat > $TMPC <<EOF
3310#include <SDL.h>
3311#if defined(SDL_VIDEO_DRIVER_X11)
3312#include <X11/XKBlib.h>
3313#else
3314#error No x11 support
3315#endif
3316int main(void) { return 0; }
3317EOF
3318  if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3319    need_x11=yes
3320    sdl_cflags="$sdl_cflags $x11_cflags"
3321    sdl_libs="$sdl_libs $x11_libs"
3322  fi
3323fi
3324
3325##########################################
3326# RDMA needs OpenFabrics libraries
3327if test "$rdma" != "no" ; then
3328  cat > $TMPC <<EOF
3329#include <rdma/rdma_cma.h>
3330int main(void) { return 0; }
3331EOF
3332  rdma_libs="-lrdmacm -libverbs -libumad"
3333  if compile_prog "" "$rdma_libs" ; then
3334    rdma="yes"
3335    libs_softmmu="$libs_softmmu $rdma_libs"
3336  else
3337    if test "$rdma" = "yes" ; then
3338        error_exit \
3339            " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3340            " Your options:" \
3341            "  (1) Fast: Install infiniband packages (devel) from your distro." \
3342            "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3343            "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3344    fi
3345    rdma="no"
3346  fi
3347fi
3348
3349##########################################
3350# PVRDMA detection
3351
3352cat > $TMPC <<EOF &&
3353#include <sys/mman.h>
3354
3355int
3356main(void)
3357{
3358    char buf = 0;
3359    void *addr = &buf;
3360    addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3361
3362    return 0;
3363}
3364EOF
3365
3366if test "$rdma" = "yes" ; then
3367    case "$pvrdma" in
3368    "")
3369        if compile_prog "" ""; then
3370            pvrdma="yes"
3371        else
3372            pvrdma="no"
3373        fi
3374        ;;
3375    "yes")
3376        if ! compile_prog "" ""; then
3377            error_exit "PVRDMA is not supported since mremap is not implemented"
3378        fi
3379        pvrdma="yes"
3380        ;;
3381    "no")
3382        pvrdma="no"
3383        ;;
3384    esac
3385else
3386    if test "$pvrdma" = "yes" ; then
3387        error_exit "PVRDMA requires rdma suppport"
3388    fi
3389    pvrdma="no"
3390fi
3391
3392# Let's see if enhanced reg_mr is supported
3393if test "$pvrdma" = "yes" ; then
3394
3395cat > $TMPC <<EOF &&
3396#include <infiniband/verbs.h>
3397
3398int
3399main(void)
3400{
3401    struct ibv_mr *mr;
3402    struct ibv_pd *pd = NULL;
3403    size_t length = 10;
3404    uint64_t iova = 0;
3405    int access = 0;
3406    void *addr = NULL;
3407
3408    mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3409
3410    ibv_dereg_mr(mr);
3411
3412    return 0;
3413}
3414EOF
3415    if ! compile_prog "" "-libverbs"; then
3416        QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3417    fi
3418fi
3419
3420##########################################
3421# VNC SASL detection
3422if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3423  cat > $TMPC <<EOF
3424#include <sasl/sasl.h>
3425#include <stdio.h>
3426int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3427EOF
3428  # Assuming Cyrus-SASL installed in /usr prefix
3429  # QEMU defines struct iovec in "qemu/osdep.h",
3430  # we don't want libsasl to redefine it in <sasl/sasl.h>.
3431  vnc_sasl_cflags="-DSTRUCT_IOVEC_DEFINED"
3432  vnc_sasl_libs="-lsasl2"
3433  if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3434    vnc_sasl=yes
3435    libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3436    QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3437  else
3438    if test "$vnc_sasl" = "yes" ; then
3439      feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3440    fi
3441    vnc_sasl=no
3442  fi
3443fi
3444
3445##########################################
3446# VNC JPEG detection
3447if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3448cat > $TMPC <<EOF
3449#include <stdio.h>
3450#include <jpeglib.h>
3451int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3452EOF
3453    vnc_jpeg_cflags=""
3454    vnc_jpeg_libs="-ljpeg"
3455  if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3456    vnc_jpeg=yes
3457    libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3458    QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3459  else
3460    if test "$vnc_jpeg" = "yes" ; then
3461      feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3462    fi
3463    vnc_jpeg=no
3464  fi
3465fi
3466
3467##########################################
3468# VNC PNG detection
3469if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3470cat > $TMPC <<EOF
3471//#include <stdio.h>
3472#include <png.h>
3473#include <stddef.h>
3474int main(void) {
3475    png_structp png_ptr;
3476    png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3477    return png_ptr != 0;
3478}
3479EOF
3480  if $pkg_config libpng --exists; then
3481    vnc_png_cflags=$($pkg_config libpng --cflags)
3482    vnc_png_libs=$($pkg_config libpng --libs)
3483  else
3484    vnc_png_cflags=""
3485    vnc_png_libs="-lpng"
3486  fi
3487  if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3488    vnc_png=yes
3489    libs_softmmu="$vnc_png_libs $libs_softmmu"
3490    QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3491  else
3492    if test "$vnc_png" = "yes" ; then
3493      feature_not_found "vnc-png" "Install libpng devel"
3494    fi
3495    vnc_png=no
3496  fi
3497fi
3498
3499##########################################
3500# xkbcommon probe
3501if test "$xkbcommon" != "no" ; then
3502  if $pkg_config xkbcommon --exists; then
3503    xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3504    xkbcommon_libs=$($pkg_config xkbcommon --libs)
3505    xkbcommon=yes
3506  else
3507    if test "$xkbcommon" = "yes" ; then
3508      feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3509    fi
3510    xkbcommon=no
3511  fi
3512fi
3513
3514
3515##########################################
3516# xfsctl() probe, used for file-posix.c
3517if test "$xfs" != "no" ; then
3518  cat > $TMPC << EOF
3519#include <stddef.h>  /* NULL */
3520#include <xfs/xfs.h>
3521int main(void)
3522{
3523    xfsctl(NULL, 0, 0, NULL);
3524    return 0;
3525}
3526EOF
3527  if compile_prog "" "" ; then
3528    xfs="yes"
3529  else
3530    if test "$xfs" = "yes" ; then
3531      feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3532    fi
3533    xfs=no
3534  fi
3535fi
3536
3537##########################################
3538# vde libraries probe
3539if test "$vde" != "no" ; then
3540  vde_libs="-lvdeplug"
3541  cat > $TMPC << EOF
3542#include <libvdeplug.h>
3543int main(void)
3544{
3545    struct vde_open_args a = {0, 0, 0};
3546    char s[] = "";
3547    vde_open(s, s, &a);
3548    return 0;
3549}
3550EOF
3551  if compile_prog "" "$vde_libs" ; then
3552    vde=yes
3553  else
3554    if test "$vde" = "yes" ; then
3555      feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3556    fi
3557    vde=no
3558  fi
3559fi
3560
3561##########################################
3562# netmap support probe
3563# Apart from looking for netmap headers, we make sure that the host API version
3564# supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3565# a minor/major version number. Minor new features will be marked with values up
3566# to 15, and if something happens that requires a change to the backend we will
3567# move above 15, submit the backend fixes and modify this two bounds.
3568if test "$netmap" != "no" ; then
3569  cat > $TMPC << EOF
3570#include <inttypes.h>
3571#include <net/if.h>
3572#include <net/netmap.h>
3573#include <net/netmap_user.h>
3574#if (NETMAP_API < 11) || (NETMAP_API > 15)
3575#error
3576#endif
3577int main(void) { return 0; }
3578EOF
3579  if compile_prog "" "" ; then
3580    netmap=yes
3581  else
3582    if test "$netmap" = "yes" ; then
3583      feature_not_found "netmap"
3584    fi
3585    netmap=no
3586  fi
3587fi
3588
3589##########################################
3590# libcap-ng library probe
3591if test "$cap_ng" != "no" ; then
3592  cap_libs="-lcap-ng"
3593  cat > $TMPC << EOF
3594#include <cap-ng.h>
3595int main(void)
3596{
3597    capng_capability_to_name(CAPNG_EFFECTIVE);
3598    return 0;
3599}
3600EOF
3601  if compile_prog "" "$cap_libs" ; then
3602    cap_ng=yes
3603    libs_tools="$cap_libs $libs_tools"
3604  else
3605    if test "$cap_ng" = "yes" ; then
3606      feature_not_found "cap_ng" "Install libcap-ng devel"
3607    fi
3608    cap_ng=no
3609  fi
3610fi
3611
3612##########################################
3613# Sound support libraries probe
3614
3615audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3616for drv in $audio_drv_list; do
3617    case $drv in
3618    alsa | try-alsa)
3619    if $pkg_config alsa --exists; then
3620        alsa_libs=$($pkg_config alsa --libs)
3621        if test "$drv" = "try-alsa"; then
3622            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3623        fi
3624    else
3625        if test "$drv" = "try-alsa"; then
3626            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3627        else
3628            error_exit "$drv check failed" \
3629                "Make sure to have the $drv libs and headers installed."
3630        fi
3631    fi
3632    ;;
3633
3634    pa | try-pa)
3635    if $pkg_config libpulse --exists; then
3636        pulse_libs=$($pkg_config libpulse --libs)
3637        if test "$drv" = "try-pa"; then
3638            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3639        fi
3640    else
3641        if test "$drv" = "try-pa"; then
3642            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3643        else
3644            error_exit "$drv check failed" \
3645                "Make sure to have the $drv libs and headers installed."
3646        fi
3647    fi
3648    ;;
3649
3650    sdl)
3651    if test "$sdl" = "no"; then
3652        error_exit "sdl not found or disabled, can not use sdl audio driver"
3653    fi
3654    ;;
3655
3656    try-sdl)
3657    if test "$sdl" = "no"; then
3658        audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3659    else
3660        audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3661    fi
3662    ;;
3663
3664    coreaudio)
3665      coreaudio_libs="-framework CoreAudio"
3666    ;;
3667
3668    dsound)
3669      dsound_libs="-lole32 -ldxguid"
3670      audio_win_int="yes"
3671    ;;
3672
3673    oss)
3674      oss_libs="$oss_lib"
3675    ;;
3676
3677    jack | try-jack)
3678    if $pkg_config jack --exists; then
3679        jack_libs=$($pkg_config jack --libs)
3680        if test "$drv" = "try-jack"; then
3681            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3682        fi
3683    else
3684        if test "$drv" = "try-jack"; then
3685            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3686        else
3687            error_exit "$drv check failed" \
3688                "Make sure to have the $drv libs and headers installed."
3689        fi
3690    fi
3691    ;;
3692
3693    *)
3694    echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3695        error_exit "Unknown driver '$drv' selected" \
3696            "Possible drivers are: $audio_possible_drivers"
3697    }
3698    ;;
3699    esac
3700done
3701
3702##########################################
3703# BrlAPI probe
3704
3705if test "$brlapi" != "no" ; then
3706  brlapi_libs="-lbrlapi"
3707  cat > $TMPC << EOF
3708#include <brlapi.h>
3709#include <stddef.h>
3710int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3711EOF
3712  if compile_prog "" "$brlapi_libs" ; then
3713    brlapi=yes
3714  else
3715    if test "$brlapi" = "yes" ; then
3716      feature_not_found "brlapi" "Install brlapi devel"
3717    fi
3718    brlapi=no
3719  fi
3720fi
3721
3722##########################################
3723# iconv probe
3724if test "$iconv" != "no" ; then
3725  cat > $TMPC << EOF
3726#include <iconv.h>
3727int main(void) {
3728  iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3729  return conv != (iconv_t) -1;
3730}
3731EOF
3732  iconv_prefix_list="/usr/local:/usr"
3733  iconv_lib_list=":-liconv"
3734  IFS=:
3735  for iconv_prefix in $iconv_prefix_list; do
3736    IFS=:
3737    iconv_cflags="-I$iconv_prefix/include"
3738    iconv_ldflags="-L$iconv_prefix/lib"
3739    for iconv_link in $iconv_lib_list; do
3740      unset IFS
3741      iconv_lib="$iconv_ldflags $iconv_link"
3742      echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3743      if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3744        iconv_found=yes
3745        break
3746      fi
3747    done
3748    if test "$iconv_found" = yes ; then
3749      break
3750    fi
3751  done
3752  if test "$iconv_found" = "yes" ; then
3753    iconv=yes
3754  else
3755    if test "$iconv" = "yes" ; then
3756      feature_not_found "iconv" "Install iconv devel"
3757    fi
3758    iconv=no
3759  fi
3760fi
3761
3762##########################################
3763# curses probe
3764if test "$iconv" = "no" ; then
3765  # curses will need iconv
3766  curses=no
3767fi
3768if test "$curses" != "no" ; then
3769  if test "$mingw32" = "yes" ; then
3770    curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3771    curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3772  else
3773    curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3774    curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3775  fi
3776  curses_found=no
3777  cat > $TMPC << EOF
3778#include <locale.h>
3779#include <curses.h>
3780#include <wchar.h>
3781#include <langinfo.h>
3782int main(void) {
3783  const char *codeset;
3784  wchar_t wch = L'w';
3785  setlocale(LC_ALL, "");
3786  resize_term(0, 0);
3787  addwstr(L"wide chars\n");
3788  addnwstr(&wch, 1);
3789  add_wch(WACS_DEGREE);
3790  codeset = nl_langinfo(CODESET);
3791  return codeset != 0;
3792}
3793EOF
3794  IFS=:
3795  for curses_inc in $curses_inc_list; do
3796    # Make sure we get the wide character prototypes
3797    curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3798    IFS=:
3799    for curses_lib in $curses_lib_list; do
3800      unset IFS
3801      if compile_prog "$curses_inc" "$curses_lib" ; then
3802        curses_found=yes
3803        break
3804      fi
3805    done
3806    if test "$curses_found" = yes ; then
3807      break
3808    fi
3809  done
3810  unset IFS
3811  if test "$curses_found" = "yes" ; then
3812    curses=yes
3813  else
3814    if test "$curses" = "yes" ; then
3815      feature_not_found "curses" "Install ncurses devel"
3816    fi
3817    curses=no
3818  fi
3819fi
3820
3821##########################################
3822# curl probe
3823if test "$curl" != "no" ; then
3824  if $pkg_config libcurl --exists; then
3825    curlconfig="$pkg_config libcurl"
3826  else
3827    curlconfig=curl-config
3828  fi
3829  cat > $TMPC << EOF
3830#include <curl/curl.h>
3831int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3832EOF
3833  curl_cflags=$($curlconfig --cflags 2>/dev/null)
3834  curl_libs=$($curlconfig --libs 2>/dev/null)
3835  if compile_prog "$curl_cflags" "$curl_libs" ; then
3836    curl=yes
3837  else
3838    if test "$curl" = "yes" ; then
3839      feature_not_found "curl" "Install libcurl devel"
3840    fi
3841    curl=no
3842  fi
3843fi # test "$curl"
3844
3845##########################################
3846# glib support probe
3847
3848glib_req_ver=2.48
3849glib_modules=gthread-2.0
3850if test "$modules" = yes; then
3851    glib_modules="$glib_modules gmodule-export-2.0"
3852fi
3853if test "$plugins" = yes; then
3854    glib_modules="$glib_modules gmodule-2.0"
3855fi
3856
3857# This workaround is required due to a bug in pkg-config file for glib as it
3858# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3859
3860if test "$static" = yes && test "$mingw32" = yes; then
3861    QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3862fi
3863
3864for i in $glib_modules; do
3865    if $pkg_config --atleast-version=$glib_req_ver $i; then
3866        glib_cflags=$($pkg_config --cflags $i)
3867        glib_libs=$($pkg_config --libs $i)
3868        QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3869        LIBS="$glib_libs $LIBS"
3870        libs_qga="$glib_libs $libs_qga"
3871    else
3872        error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3873    fi
3874done
3875
3876if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3877    gio=yes
3878    gio_cflags=$($pkg_config --cflags gio-2.0)
3879    gio_libs=$($pkg_config --libs gio-2.0)
3880    gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3881    if [ ! -x "$gdbus_codegen" ]; then
3882        gdbus_codegen=
3883    fi
3884else
3885    gio=no
3886fi
3887
3888if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3889    gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3890    gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3891fi
3892
3893# Sanity check that the current size_t matches the
3894# size that glib thinks it should be. This catches
3895# problems on multi-arch where people try to build
3896# 32-bit QEMU while pointing at 64-bit glib headers
3897cat > $TMPC <<EOF
3898#include <glib.h>
3899#include <unistd.h>
3900
3901#define QEMU_BUILD_BUG_ON(x) \
3902  typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3903
3904int main(void) {
3905   QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3906   return 0;
3907}
3908EOF
3909
3910if ! compile_prog "$CFLAGS" "$LIBS" ; then
3911    error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3912               "You probably need to set PKG_CONFIG_LIBDIR"\
3913	       "to point to the right pkg-config files for your"\
3914	       "build target"
3915fi
3916
3917# Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3918cat > $TMPC << EOF
3919#include <glib.h>
3920int main(void) { return 0; }
3921EOF
3922if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3923    if cc_has_warning_flag "-Wno-unknown-attributes"; then
3924        glib_cflags="-Wno-unknown-attributes $glib_cflags"
3925        CFLAGS="-Wno-unknown-attributes $CFLAGS"
3926    fi
3927fi
3928
3929# Silence clang warnings triggered by glib < 2.57.2
3930cat > $TMPC << EOF
3931#include <glib.h>
3932typedef struct Foo {
3933    int i;
3934} Foo;
3935static void foo_free(Foo *f)
3936{
3937    g_free(f);
3938}
3939G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
3940int main(void) { return 0; }
3941EOF
3942if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3943    if cc_has_warning_flag "-Wno-unused-function"; then
3944        glib_cflags="$glib_cflags -Wno-unused-function"
3945        CFLAGS="$CFLAGS -Wno-unused-function"
3946    fi
3947fi
3948
3949#########################################
3950# zlib check
3951
3952if test "$zlib" != "no" ; then
3953    if $pkg_config --exists zlib; then
3954        zlib_cflags=$($pkg_config --cflags zlib)
3955        zlib_libs=$($pkg_config --libs zlib)
3956        QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3957        LIBS="$zlib_libs $LIBS"
3958    else
3959        cat > $TMPC << EOF
3960#include <zlib.h>
3961int main(void) { zlibVersion(); return 0; }
3962EOF
3963        if compile_prog "" "-lz" ; then
3964            LIBS="$LIBS -lz"
3965        else
3966            error_exit "zlib check failed" \
3967                "Make sure to have the zlib libs and headers installed."
3968        fi
3969    fi
3970fi
3971
3972##########################################
3973# SHA command probe for modules
3974if test "$modules" = yes; then
3975    shacmd_probe="sha1sum sha1 shasum"
3976    for c in $shacmd_probe; do
3977        if has $c; then
3978            shacmd="$c"
3979            break
3980        fi
3981    done
3982    if test "$shacmd" = ""; then
3983        error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3984    fi
3985fi
3986
3987##########################################
3988# pixman support probe
3989
3990if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3991  pixman_cflags=
3992  pixman_libs=
3993elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3994  pixman_cflags=$($pkg_config --cflags pixman-1)
3995  pixman_libs=$($pkg_config --libs pixman-1)
3996else
3997  error_exit "pixman >= 0.21.8 not present." \
3998      "Please install the pixman devel package."
3999fi
4000
4001##########################################
4002# libmpathpersist probe
4003
4004if test "$mpath" != "no" ; then
4005  # probe for the new API
4006  cat > $TMPC <<EOF
4007#include <libudev.h>
4008#include <mpath_persist.h>
4009unsigned mpath_mx_alloc_len = 1024;
4010int logsink;
4011static struct config *multipath_conf;
4012extern struct udev *udev;
4013extern struct config *get_multipath_config(void);
4014extern void put_multipath_config(struct config *conf);
4015struct udev *udev;
4016struct config *get_multipath_config(void) { return multipath_conf; }
4017void put_multipath_config(struct config *conf) { }
4018
4019int main(void) {
4020    udev = udev_new();
4021    multipath_conf = mpath_lib_init();
4022    return 0;
4023}
4024EOF
4025  if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4026    mpathpersist=yes
4027    mpathpersist_new_api=yes
4028  else
4029    # probe for the old API
4030    cat > $TMPC <<EOF
4031#include <libudev.h>
4032#include <mpath_persist.h>
4033unsigned mpath_mx_alloc_len = 1024;
4034int logsink;
4035int main(void) {
4036    struct udev *udev = udev_new();
4037    mpath_lib_init(udev);
4038    return 0;
4039}
4040EOF
4041    if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4042      mpathpersist=yes
4043      mpathpersist_new_api=no
4044    else
4045      mpathpersist=no
4046    fi
4047  fi
4048else
4049  mpathpersist=no
4050fi
4051
4052##########################################
4053# pthread probe
4054PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
4055
4056pthread=no
4057cat > $TMPC << EOF
4058#include <pthread.h>
4059static void *f(void *p) { return NULL; }
4060int main(void) {
4061  pthread_t thread;
4062  pthread_create(&thread, 0, f, 0);
4063  return 0;
4064}
4065EOF
4066if compile_prog "" "" ; then
4067  pthread=yes
4068else
4069  for pthread_lib in $PTHREADLIBS_LIST; do
4070    if compile_prog "" "$pthread_lib" ; then
4071      pthread=yes
4072      found=no
4073      for lib_entry in $LIBS; do
4074        if test "$lib_entry" = "$pthread_lib"; then
4075          found=yes
4076          break
4077        fi
4078      done
4079      if test "$found" = "no"; then
4080        LIBS="$pthread_lib $LIBS"
4081        libs_qga="$pthread_lib $libs_qga"
4082      fi
4083      PTHREAD_LIB="$pthread_lib"
4084      break
4085    fi
4086  done
4087fi
4088
4089if test "$mingw32" != yes && test "$pthread" = no; then
4090  error_exit "pthread check failed" \
4091      "Make sure to have the pthread libs and headers installed."
4092fi
4093
4094# check for pthread_setname_np with thread id
4095pthread_setname_np_w_tid=no
4096cat > $TMPC << EOF
4097#include <pthread.h>
4098
4099static void *f(void *p) { return NULL; }
4100int main(void)
4101{
4102    pthread_t thread;
4103    pthread_create(&thread, 0, f, 0);
4104    pthread_setname_np(thread, "QEMU");
4105    return 0;
4106}
4107EOF
4108if compile_prog "" "$pthread_lib" ; then
4109  pthread_setname_np_w_tid=yes
4110fi
4111
4112# check for pthread_setname_np without thread id
4113pthread_setname_np_wo_tid=no
4114cat > $TMPC << EOF
4115#include <pthread.h>
4116
4117static void *f(void *p) { pthread_setname_np("QEMU"); }
4118int main(void)
4119{
4120    pthread_t thread;
4121    pthread_create(&thread, 0, f, 0);
4122    return 0;
4123}
4124EOF
4125if compile_prog "" "$pthread_lib" ; then
4126  pthread_setname_np_wo_tid=yes
4127fi
4128
4129##########################################
4130# rbd probe
4131if test "$rbd" != "no" ; then
4132  cat > $TMPC <<EOF
4133#include <stdio.h>
4134#include <rbd/librbd.h>
4135int main(void) {
4136    rados_t cluster;
4137    rados_create(&cluster, NULL);
4138    return 0;
4139}
4140EOF
4141  rbd_libs="-lrbd -lrados"
4142  if compile_prog "" "$rbd_libs" ; then
4143    rbd=yes
4144  else
4145    if test "$rbd" = "yes" ; then
4146      feature_not_found "rados block device" "Install librbd/ceph devel"
4147    fi
4148    rbd=no
4149  fi
4150fi
4151
4152##########################################
4153# libssh probe
4154if test "$libssh" != "no" ; then
4155  if $pkg_config --exists libssh; then
4156    libssh_cflags=$($pkg_config libssh --cflags)
4157    libssh_libs=$($pkg_config libssh --libs)
4158    libssh=yes
4159  else
4160    if test "$libssh" = "yes" ; then
4161      error_exit "libssh required for --enable-libssh"
4162    fi
4163    libssh=no
4164  fi
4165fi
4166
4167##########################################
4168# Check for libssh 0.8
4169# This is done like this instead of using the LIBSSH_VERSION_* and
4170# SSH_VERSION_* macros because some distributions in the past shipped
4171# snapshots of the future 0.8 from Git, and those snapshots did not
4172# have updated version numbers (still referring to 0.7.0).
4173
4174if test "$libssh" = "yes"; then
4175  cat > $TMPC <<EOF
4176#include <libssh/libssh.h>
4177int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4178EOF
4179  if compile_prog "$libssh_cflags" "$libssh_libs"; then
4180    libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4181  fi
4182fi
4183
4184##########################################
4185# linux-aio probe
4186
4187if test "$linux_aio" != "no" ; then
4188  cat > $TMPC <<EOF
4189#include <libaio.h>
4190#include <sys/eventfd.h>
4191#include <stddef.h>
4192int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4193EOF
4194  if compile_prog "" "-laio" ; then
4195    linux_aio=yes
4196  else
4197    if test "$linux_aio" = "yes" ; then
4198      feature_not_found "linux AIO" "Install libaio devel"
4199    fi
4200    linux_aio=no
4201  fi
4202fi
4203##########################################
4204# linux-io-uring probe
4205
4206if test "$linux_io_uring" != "no" ; then
4207  if $pkg_config liburing; then
4208    linux_io_uring_cflags=$($pkg_config --cflags liburing)
4209    linux_io_uring_libs=$($pkg_config --libs liburing)
4210    linux_io_uring=yes
4211
4212    # io_uring is used in libqemuutil.a where per-file -libs variables are not
4213    # seen by programs linking the archive.  It's not ideal, but just add the
4214    # library dependency globally.
4215    LIBS="$linux_io_uring_libs $LIBS"
4216  else
4217    if test "$linux_io_uring" = "yes" ; then
4218      feature_not_found "linux io_uring" "Install liburing devel"
4219    fi
4220    linux_io_uring=no
4221  fi
4222fi
4223
4224##########################################
4225# TPM emulation is only on POSIX
4226
4227if test "$tpm" = ""; then
4228  if test "$mingw32" = "yes"; then
4229    tpm=no
4230  else
4231    tpm=yes
4232  fi
4233elif test "$tpm" = "yes"; then
4234  if test "$mingw32" = "yes" ; then
4235    error_exit "TPM emulation only available on POSIX systems"
4236  fi
4237fi
4238
4239##########################################
4240# attr probe
4241
4242if test "$attr" != "no" ; then
4243  cat > $TMPC <<EOF
4244#include <stdio.h>
4245#include <sys/types.h>
4246#ifdef CONFIG_LIBATTR
4247#include <attr/xattr.h>
4248#else
4249#include <sys/xattr.h>
4250#endif
4251int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4252EOF
4253  if compile_prog "" "" ; then
4254    attr=yes
4255  # Older distros have <attr/xattr.h>, and need -lattr:
4256  elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4257    attr=yes
4258    LIBS="-lattr $LIBS"
4259    libattr=yes
4260  else
4261    if test "$attr" = "yes" ; then
4262      feature_not_found "ATTR" "Install libc6 or libattr devel"
4263    fi
4264    attr=no
4265  fi
4266fi
4267
4268##########################################
4269# iovec probe
4270cat > $TMPC <<EOF
4271#include <sys/types.h>
4272#include <sys/uio.h>
4273#include <unistd.h>
4274int main(void) { return sizeof(struct iovec); }
4275EOF
4276iovec=no
4277if compile_prog "" "" ; then
4278  iovec=yes
4279fi
4280
4281##########################################
4282# preadv probe
4283cat > $TMPC <<EOF
4284#include <sys/types.h>
4285#include <sys/uio.h>
4286#include <unistd.h>
4287int main(void) { return preadv(0, 0, 0, 0); }
4288EOF
4289preadv=no
4290if compile_prog "" "" ; then
4291  preadv=yes
4292fi
4293
4294##########################################
4295# fdt probe
4296# fdt support is mandatory for at least some target architectures,
4297# so insist on it if we're building those system emulators.
4298fdt_required=no
4299for target in $target_list; do
4300  case $target in
4301    aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4302      fdt_required=yes
4303    ;;
4304  esac
4305done
4306
4307if test "$fdt_required" = "yes"; then
4308  if test "$fdt" = "no"; then
4309    error_exit "fdt disabled but some requested targets require it." \
4310      "You can turn off fdt only if you also disable all the system emulation" \
4311      "targets which need it (by specifying a cut down --target-list)."
4312  fi
4313  fdt=yes
4314elif test "$fdt" != "yes" ; then
4315  fdt=no
4316fi
4317
4318# fdt is only required when building softmmu targets
4319if test -z "$fdt" -a "$softmmu" != "yes" ; then
4320    fdt="no"
4321fi
4322
4323if test "$fdt" != "no" ; then
4324  fdt_libs="-lfdt"
4325  # explicitly check for libfdt_env.h as it is missing in some stable installs
4326  # and test for required functions to make sure we are on a version >= 1.4.2
4327  cat > $TMPC << EOF
4328#include <libfdt.h>
4329#include <libfdt_env.h>
4330int main(void) { fdt_check_full(NULL, 0); return 0; }
4331EOF
4332  if compile_prog "" "$fdt_libs" ; then
4333    # system DTC is good - use it
4334    fdt=system
4335  else
4336      # have GIT checkout, so activate dtc submodule
4337      if test -e "${source_path}/.git" ; then
4338          git_submodules="${git_submodules} dtc"
4339      fi
4340      if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4341          fdt=git
4342          mkdir -p dtc
4343          if [ "$pwd_is_source_path" != "y" ] ; then
4344              symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4345          fi
4346          fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
4347          fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
4348          fdt_libs="$fdt_libs"
4349      elif test "$fdt" = "yes" ; then
4350          # Not a git build & no libfdt found, prompt for system install
4351          error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4352                     "Please install the DTC (libfdt) devel package"
4353      else
4354          # don't have and don't want
4355          fdt_libs=
4356          fdt=no
4357      fi
4358  fi
4359fi
4360
4361libs_softmmu="$libs_softmmu $fdt_libs"
4362
4363##########################################
4364# opengl probe (for sdl2, gtk, milkymist-tmu2)
4365
4366gbm="no"
4367if $pkg_config gbm; then
4368    gbm_cflags="$($pkg_config --cflags gbm)"
4369    gbm_libs="$($pkg_config --libs gbm)"
4370    gbm="yes"
4371fi
4372
4373if test "$opengl" != "no" ; then
4374  opengl_pkgs="epoxy gbm"
4375  if $pkg_config $opengl_pkgs; then
4376    opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4377    opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4378    opengl=yes
4379    if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4380        gtk_gl="yes"
4381    fi
4382    QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4383  else
4384    if test "$opengl" = "yes" ; then
4385      feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4386    fi
4387    opengl_cflags=""
4388    opengl_libs=""
4389    opengl=no
4390  fi
4391fi
4392
4393if test "$opengl" = "yes"; then
4394  cat > $TMPC << EOF
4395#include <epoxy/egl.h>
4396#ifndef EGL_MESA_image_dma_buf_export
4397# error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4398#endif
4399int main(void) { return 0; }
4400EOF
4401  if compile_prog "" "" ; then
4402    opengl_dmabuf=yes
4403  fi
4404fi
4405
4406if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4407  for target in $target_list; do
4408    case $target in
4409      lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4410        need_x11=yes
4411      ;;
4412    esac
4413  done
4414fi
4415
4416##########################################
4417# libxml2 probe
4418if test "$libxml2" != "no" ; then
4419    if $pkg_config --exists libxml-2.0; then
4420        libxml2="yes"
4421        libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4422        libxml2_libs=$($pkg_config --libs libxml-2.0)
4423    else
4424        if test "$libxml2" = "yes"; then
4425            feature_not_found "libxml2" "Install libxml2 devel"
4426        fi
4427        libxml2="no"
4428    fi
4429fi
4430
4431##########################################
4432# glusterfs probe
4433if test "$glusterfs" != "no" ; then
4434  if $pkg_config --atleast-version=3 glusterfs-api; then
4435    glusterfs="yes"
4436    glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4437    glusterfs_libs=$($pkg_config --libs glusterfs-api)
4438    if $pkg_config --atleast-version=4 glusterfs-api; then
4439      glusterfs_xlator_opt="yes"
4440    fi
4441    if $pkg_config --atleast-version=5 glusterfs-api; then
4442      glusterfs_discard="yes"
4443    fi
4444    if $pkg_config --atleast-version=6 glusterfs-api; then
4445      glusterfs_fallocate="yes"
4446      glusterfs_zerofill="yes"
4447    fi
4448    cat > $TMPC << EOF
4449#include <glusterfs/api/glfs.h>
4450
4451int
4452main(void)
4453{
4454	/* new glfs_ftruncate() passes two additional args */
4455	return glfs_ftruncate(NULL, 0, NULL, NULL);
4456}
4457EOF
4458    if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4459      glusterfs_ftruncate_has_stat="yes"
4460    fi
4461    cat > $TMPC << EOF
4462#include <glusterfs/api/glfs.h>
4463
4464/* new glfs_io_cbk() passes two additional glfs_stat structs */
4465static void
4466glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4467{}
4468
4469int
4470main(void)
4471{
4472	glfs_io_cbk iocb = &glusterfs_iocb;
4473	iocb(NULL, 0 , NULL, NULL, NULL);
4474	return 0;
4475}
4476EOF
4477    if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4478      glusterfs_iocb_has_stat="yes"
4479    fi
4480  else
4481    if test "$glusterfs" = "yes" ; then
4482      feature_not_found "GlusterFS backend support" \
4483          "Install glusterfs-api devel >= 3"
4484    fi
4485    glusterfs="no"
4486  fi
4487fi
4488
4489# Check for inotify functions when we are building linux-user
4490# emulator.  This is done because older glibc versions don't
4491# have syscall stubs for these implemented.  In that case we
4492# don't provide them even if kernel supports them.
4493#
4494inotify=no
4495cat > $TMPC << EOF
4496#include <sys/inotify.h>
4497
4498int
4499main(void)
4500{
4501	/* try to start inotify */
4502	return inotify_init();
4503}
4504EOF
4505if compile_prog "" "" ; then
4506  inotify=yes
4507fi
4508
4509inotify1=no
4510cat > $TMPC << EOF
4511#include <sys/inotify.h>
4512
4513int
4514main(void)
4515{
4516    /* try to start inotify */
4517    return inotify_init1(0);
4518}
4519EOF
4520if compile_prog "" "" ; then
4521  inotify1=yes
4522fi
4523
4524# check if pipe2 is there
4525pipe2=no
4526cat > $TMPC << EOF
4527#include <unistd.h>
4528#include <fcntl.h>
4529
4530int main(void)
4531{
4532    int pipefd[2];
4533    return pipe2(pipefd, O_CLOEXEC);
4534}
4535EOF
4536if compile_prog "" "" ; then
4537  pipe2=yes
4538fi
4539
4540# check if accept4 is there
4541accept4=no
4542cat > $TMPC << EOF
4543#include <sys/socket.h>
4544#include <stddef.h>
4545
4546int main(void)
4547{
4548    accept4(0, NULL, NULL, SOCK_CLOEXEC);
4549    return 0;
4550}
4551EOF
4552if compile_prog "" "" ; then
4553  accept4=yes
4554fi
4555
4556# check if tee/splice is there. vmsplice was added same time.
4557splice=no
4558cat > $TMPC << EOF
4559#include <unistd.h>
4560#include <fcntl.h>
4561#include <limits.h>
4562
4563int main(void)
4564{
4565    int len, fd = 0;
4566    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4567    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4568    return 0;
4569}
4570EOF
4571if compile_prog "" "" ; then
4572  splice=yes
4573fi
4574
4575##########################################
4576# libnuma probe
4577
4578if test "$numa" != "no" ; then
4579  cat > $TMPC << EOF
4580#include <numa.h>
4581int main(void) { return numa_available(); }
4582EOF
4583
4584  if compile_prog "" "-lnuma" ; then
4585    numa=yes
4586    libs_softmmu="-lnuma $libs_softmmu"
4587  else
4588    if test "$numa" = "yes" ; then
4589      feature_not_found "numa" "install numactl devel"
4590    fi
4591    numa=no
4592  fi
4593fi
4594
4595if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4596    echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4597    exit 1
4598fi
4599
4600# Even if malloc_trim() is available, these non-libc memory allocators
4601# do not support it.
4602if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4603    if test "$malloc_trim" = "yes" ; then
4604        echo "Disabling malloc_trim with non-libc memory allocator"
4605    fi
4606    malloc_trim="no"
4607fi
4608
4609#######################################
4610# malloc_trim
4611
4612if test "$malloc_trim" != "no" ; then
4613    cat > $TMPC << EOF
4614#include <malloc.h>
4615int main(void) { malloc_trim(0); return 0; }
4616EOF
4617    if compile_prog "" "" ; then
4618        malloc_trim="yes"
4619    else
4620        malloc_trim="no"
4621    fi
4622fi
4623
4624##########################################
4625# tcmalloc probe
4626
4627if test "$tcmalloc" = "yes" ; then
4628  cat > $TMPC << EOF
4629#include <stdlib.h>
4630int main(void) {
4631    void *tmp = malloc(1);
4632    if (tmp != NULL) {
4633        return 0;
4634    }
4635    return 1;
4636}
4637EOF
4638
4639  if compile_prog "" "-ltcmalloc" ; then
4640    LIBS="-ltcmalloc $LIBS"
4641  else
4642    feature_not_found "tcmalloc" "install gperftools devel"
4643  fi
4644fi
4645
4646##########################################
4647# jemalloc probe
4648
4649if test "$jemalloc" = "yes" ; then
4650  cat > $TMPC << EOF
4651#include <stdlib.h>
4652int main(void) {
4653    void *tmp = malloc(1);
4654    if (tmp != NULL) {
4655        return 0;
4656    }
4657    return 1;
4658}
4659EOF
4660
4661  if compile_prog "" "-ljemalloc" ; then
4662    LIBS="-ljemalloc $LIBS"
4663  else
4664    feature_not_found "jemalloc" "install jemalloc devel"
4665  fi
4666fi
4667
4668##########################################
4669# signalfd probe
4670signalfd="no"
4671cat > $TMPC << EOF
4672#include <unistd.h>
4673#include <sys/syscall.h>
4674#include <signal.h>
4675int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4676EOF
4677
4678if compile_prog "" "" ; then
4679  signalfd=yes
4680fi
4681
4682# check if optreset global is declared by <getopt.h>
4683optreset="no"
4684cat > $TMPC << EOF
4685#include <getopt.h>
4686int main(void) { return optreset; }
4687EOF
4688
4689if compile_prog "" "" ; then
4690  optreset=yes
4691fi
4692
4693# check if eventfd is supported
4694eventfd=no
4695cat > $TMPC << EOF
4696#include <sys/eventfd.h>
4697
4698int main(void)
4699{
4700    return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4701}
4702EOF
4703if compile_prog "" "" ; then
4704  eventfd=yes
4705fi
4706
4707# check if memfd is supported
4708memfd=no
4709cat > $TMPC << EOF
4710#include <sys/mman.h>
4711
4712int main(void)
4713{
4714    return memfd_create("foo", MFD_ALLOW_SEALING);
4715}
4716EOF
4717if compile_prog "" "" ; then
4718  memfd=yes
4719fi
4720
4721# check for usbfs
4722have_usbfs=no
4723if test "$linux_user" = "yes"; then
4724  cat > $TMPC << EOF
4725#include <linux/usbdevice_fs.h>
4726
4727#ifndef USBDEVFS_GET_CAPABILITIES
4728#error "USBDEVFS_GET_CAPABILITIES undefined"
4729#endif
4730
4731#ifndef USBDEVFS_DISCONNECT_CLAIM
4732#error "USBDEVFS_DISCONNECT_CLAIM undefined"
4733#endif
4734
4735int main(void)
4736{
4737    return 0;
4738}
4739EOF
4740  if compile_prog "" ""; then
4741    have_usbfs=yes
4742  fi
4743fi
4744
4745# check for fallocate
4746fallocate=no
4747cat > $TMPC << EOF
4748#include <fcntl.h>
4749
4750int main(void)
4751{
4752    fallocate(0, 0, 0, 0);
4753    return 0;
4754}
4755EOF
4756if compile_prog "" "" ; then
4757  fallocate=yes
4758fi
4759
4760# check for fallocate hole punching
4761fallocate_punch_hole=no
4762cat > $TMPC << EOF
4763#include <fcntl.h>
4764#include <linux/falloc.h>
4765
4766int main(void)
4767{
4768    fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4769    return 0;
4770}
4771EOF
4772if compile_prog "" "" ; then
4773  fallocate_punch_hole=yes
4774fi
4775
4776# check that fallocate supports range zeroing inside the file
4777fallocate_zero_range=no
4778cat > $TMPC << EOF
4779#include <fcntl.h>
4780#include <linux/falloc.h>
4781
4782int main(void)
4783{
4784    fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4785    return 0;
4786}
4787EOF
4788if compile_prog "" "" ; then
4789  fallocate_zero_range=yes
4790fi
4791
4792# check for posix_fallocate
4793posix_fallocate=no
4794cat > $TMPC << EOF
4795#include <fcntl.h>
4796
4797int main(void)
4798{
4799    posix_fallocate(0, 0, 0);
4800    return 0;
4801}
4802EOF
4803if compile_prog "" "" ; then
4804    posix_fallocate=yes
4805fi
4806
4807# check for sync_file_range
4808sync_file_range=no
4809cat > $TMPC << EOF
4810#include <fcntl.h>
4811
4812int main(void)
4813{
4814    sync_file_range(0, 0, 0, 0);
4815    return 0;
4816}
4817EOF
4818if compile_prog "" "" ; then
4819  sync_file_range=yes
4820fi
4821
4822# check for linux/fiemap.h and FS_IOC_FIEMAP
4823fiemap=no
4824cat > $TMPC << EOF
4825#include <sys/ioctl.h>
4826#include <linux/fs.h>
4827#include <linux/fiemap.h>
4828
4829int main(void)
4830{
4831    ioctl(0, FS_IOC_FIEMAP, 0);
4832    return 0;
4833}
4834EOF
4835if compile_prog "" "" ; then
4836  fiemap=yes
4837fi
4838
4839# check for dup3
4840dup3=no
4841cat > $TMPC << EOF
4842#include <unistd.h>
4843
4844int main(void)
4845{
4846    dup3(0, 0, 0);
4847    return 0;
4848}
4849EOF
4850if compile_prog "" "" ; then
4851  dup3=yes
4852fi
4853
4854# check for ppoll support
4855ppoll=no
4856cat > $TMPC << EOF
4857#include <poll.h>
4858
4859int main(void)
4860{
4861    struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4862    ppoll(&pfd, 1, 0, 0);
4863    return 0;
4864}
4865EOF
4866if compile_prog "" "" ; then
4867  ppoll=yes
4868fi
4869
4870# check for prctl(PR_SET_TIMERSLACK , ... ) support
4871prctl_pr_set_timerslack=no
4872cat > $TMPC << EOF
4873#include <sys/prctl.h>
4874
4875int main(void)
4876{
4877    prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4878    return 0;
4879}
4880EOF
4881if compile_prog "" "" ; then
4882  prctl_pr_set_timerslack=yes
4883fi
4884
4885# check for epoll support
4886epoll=no
4887cat > $TMPC << EOF
4888#include <sys/epoll.h>
4889
4890int main(void)
4891{
4892    epoll_create(0);
4893    return 0;
4894}
4895EOF
4896if compile_prog "" "" ; then
4897  epoll=yes
4898fi
4899
4900# epoll_create1 is a later addition
4901# so we must check separately for its presence
4902epoll_create1=no
4903cat > $TMPC << EOF
4904#include <sys/epoll.h>
4905
4906int main(void)
4907{
4908    /* Note that we use epoll_create1 as a value, not as
4909     * a function being called. This is necessary so that on
4910     * old SPARC glibc versions where the function was present in
4911     * the library but not declared in the header file we will
4912     * fail the configure check. (Otherwise we will get a compiler
4913     * warning but not an error, and will proceed to fail the
4914     * qemu compile where we compile with -Werror.)
4915     */
4916    return (int)(uintptr_t)&epoll_create1;
4917}
4918EOF
4919if compile_prog "" "" ; then
4920  epoll_create1=yes
4921fi
4922
4923# check for sendfile support
4924sendfile=no
4925cat > $TMPC << EOF
4926#include <sys/sendfile.h>
4927
4928int main(void)
4929{
4930    return sendfile(0, 0, 0, 0);
4931}
4932EOF
4933if compile_prog "" "" ; then
4934  sendfile=yes
4935fi
4936
4937# check for timerfd support (glibc 2.8 and newer)
4938timerfd=no
4939cat > $TMPC << EOF
4940#include <sys/timerfd.h>
4941
4942int main(void)
4943{
4944    return(timerfd_create(CLOCK_REALTIME, 0));
4945}
4946EOF
4947if compile_prog "" "" ; then
4948  timerfd=yes
4949fi
4950
4951# check for setns and unshare support
4952setns=no
4953cat > $TMPC << EOF
4954#include <sched.h>
4955
4956int main(void)
4957{
4958    int ret;
4959    ret = setns(0, 0);
4960    ret = unshare(0);
4961    return ret;
4962}
4963EOF
4964if compile_prog "" "" ; then
4965  setns=yes
4966fi
4967
4968# clock_adjtime probe
4969clock_adjtime=no
4970cat > $TMPC <<EOF
4971#include <time.h>
4972
4973int main(void)
4974{
4975    return clock_adjtime(0, 0);
4976}
4977EOF
4978clock_adjtime=no
4979if compile_prog "" "" ; then
4980  clock_adjtime=yes
4981fi
4982
4983# syncfs probe
4984syncfs=no
4985cat > $TMPC <<EOF
4986#include <unistd.h>
4987
4988int main(void)
4989{
4990    return syncfs(0);
4991}
4992EOF
4993syncfs=no
4994if compile_prog "" "" ; then
4995  syncfs=yes
4996fi
4997
4998# check for kcov support (kernel must be 4.4+, compiled with certain options)
4999kcov=no
5000if check_include sys/kcov.h ; then
5001    kcov=yes
5002fi
5003
5004# If we're making warnings fatal, apply this to Sphinx runs as well
5005sphinx_werror=""
5006if test "$werror" = "yes"; then
5007    sphinx_werror="-W"
5008fi
5009
5010# Check we have a new enough version of sphinx-build
5011has_sphinx_build() {
5012    # This is a bit awkward but works: create a trivial document and
5013    # try to run it with our configuration file (which enforces a
5014    # version requirement). This will fail if either
5015    # sphinx-build doesn't exist at all or if it is too old.
5016    mkdir -p "$TMPDIR1/sphinx"
5017    touch "$TMPDIR1/sphinx/index.rst"
5018    "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
5019                    -b html "$TMPDIR1/sphinx" \
5020                    "$TMPDIR1/sphinx/out"  >> config.log 2>&1
5021}
5022
5023# Check if tools are available to build documentation.
5024if test "$docs" != "no" ; then
5025  if has_sphinx_build; then
5026    sphinx_ok=yes
5027  else
5028    sphinx_ok=no
5029  fi
5030  if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
5031    docs=yes
5032  else
5033    if test "$docs" = "yes" ; then
5034      if has $sphinx_build && test "$sphinx_ok" != "yes"; then
5035        echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
5036      fi
5037      feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
5038    fi
5039    docs=no
5040  fi
5041fi
5042
5043# Search for bswap_32 function
5044byteswap_h=no
5045cat > $TMPC << EOF
5046#include <byteswap.h>
5047int main(void) { return bswap_32(0); }
5048EOF
5049if compile_prog "" "" ; then
5050  byteswap_h=yes
5051fi
5052
5053# Search for bswap32 function
5054bswap_h=no
5055cat > $TMPC << EOF
5056#include <sys/endian.h>
5057#include <sys/types.h>
5058#include <machine/bswap.h>
5059int main(void) { return bswap32(0); }
5060EOF
5061if compile_prog "" "" ; then
5062  bswap_h=yes
5063fi
5064
5065##########################################
5066# Do we have libiscsi >= 1.9.0
5067if test "$libiscsi" != "no" ; then
5068  if $pkg_config --atleast-version=1.9.0 libiscsi; then
5069    libiscsi="yes"
5070    libiscsi_cflags=$($pkg_config --cflags libiscsi)
5071    libiscsi_libs=$($pkg_config --libs libiscsi)
5072  else
5073    if test "$libiscsi" = "yes" ; then
5074      feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
5075    fi
5076    libiscsi="no"
5077  fi
5078fi
5079
5080##########################################
5081# Do we need libm
5082cat > $TMPC << EOF
5083#include <math.h>
5084int main(int argc, char **argv) { return isnan(sin((double)argc)); }
5085EOF
5086if compile_prog "" "" ; then
5087  :
5088elif compile_prog "" "-lm" ; then
5089  LIBS="-lm $LIBS"
5090  libs_qga="-lm $libs_qga"
5091else
5092  error_exit "libm check failed"
5093fi
5094
5095##########################################
5096# Do we need librt
5097# uClibc provides 2 versions of clock_gettime(), one with realtime
5098# support and one without. This means that the clock_gettime() don't
5099# need -lrt. We still need it for timer_create() so we check for this
5100# function in addition.
5101cat > $TMPC <<EOF
5102#include <signal.h>
5103#include <time.h>
5104int main(void) {
5105  timer_create(CLOCK_REALTIME, NULL, NULL);
5106  return clock_gettime(CLOCK_REALTIME, NULL);
5107}
5108EOF
5109
5110if compile_prog "" "" ; then
5111  :
5112# we need pthread for static linking. use previous pthread test result
5113elif compile_prog "" "$pthread_lib -lrt" ; then
5114  LIBS="$LIBS -lrt"
5115  libs_qga="$libs_qga -lrt"
5116fi
5117
5118# Check whether we need to link libutil for openpty()
5119cat > $TMPC << EOF
5120extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
5121int main(void) { return openpty(0, 0, 0, 0, 0); }
5122EOF
5123
5124if ! compile_prog "" "" ; then
5125  if compile_prog "" "-lutil" ; then
5126    libs_softmmu="-lutil $libs_softmmu"
5127    libs_tools="-lutil $libs_tools"
5128  fi
5129fi
5130
5131##########################################
5132# spice probe
5133if test "$spice" != "no" ; then
5134  cat > $TMPC << EOF
5135#include <spice.h>
5136int main(void) { spice_server_new(); return 0; }
5137EOF
5138  spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
5139  spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
5140  if $pkg_config --atleast-version=0.12.5 spice-server && \
5141     $pkg_config --atleast-version=0.12.3 spice-protocol && \
5142     compile_prog "$spice_cflags" "$spice_libs" ; then
5143    spice="yes"
5144    libs_softmmu="$libs_softmmu $spice_libs"
5145    QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
5146    spice_protocol_version=$($pkg_config --modversion spice-protocol)
5147    spice_server_version=$($pkg_config --modversion spice-server)
5148  else
5149    if test "$spice" = "yes" ; then
5150      feature_not_found "spice" \
5151          "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
5152    fi
5153    spice="no"
5154  fi
5155fi
5156
5157# check for smartcard support
5158if test "$smartcard" != "no"; then
5159    if $pkg_config --atleast-version=2.5.1 libcacard; then
5160        libcacard_cflags=$($pkg_config --cflags libcacard)
5161        libcacard_libs=$($pkg_config --libs libcacard)
5162        smartcard="yes"
5163    else
5164        if test "$smartcard" = "yes"; then
5165            feature_not_found "smartcard" "Install libcacard devel"
5166        fi
5167        smartcard="no"
5168    fi
5169fi
5170
5171# check for libusb
5172if test "$libusb" != "no" ; then
5173    if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
5174        libusb="yes"
5175        libusb_cflags=$($pkg_config --cflags libusb-1.0)
5176        libusb_libs=$($pkg_config --libs libusb-1.0)
5177    else
5178        if test "$libusb" = "yes"; then
5179            feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5180        fi
5181        libusb="no"
5182    fi
5183fi
5184
5185# check for usbredirparser for usb network redirection support
5186if test "$usb_redir" != "no" ; then
5187    if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5188        usb_redir="yes"
5189        usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5190        usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5191    else
5192        if test "$usb_redir" = "yes"; then
5193            feature_not_found "usb-redir" "Install usbredir devel"
5194        fi
5195        usb_redir="no"
5196    fi
5197fi
5198
5199##########################################
5200# check if we have VSS SDK headers for win
5201
5202if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5203        test "$vss_win32_sdk" != "no" ; then
5204  case "$vss_win32_sdk" in
5205    "")   vss_win32_include="-isystem $source_path" ;;
5206    *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5207          # handle path with spaces. So we symlink the headers into ".sdk/vss".
5208          vss_win32_include="-isystem $source_path/.sdk/vss"
5209	  symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5210	  ;;
5211    *)    vss_win32_include="-isystem $vss_win32_sdk"
5212  esac
5213  cat > $TMPC << EOF
5214#define __MIDL_user_allocate_free_DEFINED__
5215#include <inc/win2003/vss.h>
5216int main(void) { return VSS_CTX_BACKUP; }
5217EOF
5218  if compile_prog "$vss_win32_include" "" ; then
5219    guest_agent_with_vss="yes"
5220    QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5221    libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5222    qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5223  else
5224    if test "$vss_win32_sdk" != "" ; then
5225      echo "ERROR: Please download and install Microsoft VSS SDK:"
5226      echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5227      echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5228      echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5229      echo "ERROR: The headers are extracted in the directory \`inc'."
5230      feature_not_found "VSS support"
5231    fi
5232    guest_agent_with_vss="no"
5233  fi
5234fi
5235
5236##########################################
5237# lookup Windows platform SDK (if not specified)
5238# The SDK is needed only to build .tlb (type library) file of guest agent
5239# VSS provider from the source. It is usually unnecessary because the
5240# pre-compiled .tlb file is included.
5241
5242if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5243        test "$guest_agent_with_vss" = "yes" ; then
5244  if test -z "$win_sdk"; then
5245    programfiles="$PROGRAMFILES"
5246    test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5247    if test -n "$programfiles"; then
5248      win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5249    else
5250      feature_not_found "Windows SDK"
5251    fi
5252  elif test "$win_sdk" = "no"; then
5253    win_sdk=""
5254  fi
5255fi
5256
5257##########################################
5258# check if mingw environment provides a recent ntddscsi.h
5259if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5260  cat > $TMPC << EOF
5261#include <windows.h>
5262#include <ntddscsi.h>
5263int main(void) {
5264#if !defined(IOCTL_SCSI_GET_ADDRESS)
5265#error Missing required ioctl definitions
5266#endif
5267  SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5268  return addr.Lun;
5269}
5270EOF
5271  if compile_prog "" "" ; then
5272    guest_agent_ntddscsi=yes
5273    libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5274  fi
5275fi
5276
5277##########################################
5278# virgl renderer probe
5279
5280if test "$virglrenderer" != "no" ; then
5281  cat > $TMPC << EOF
5282#include <virglrenderer.h>
5283int main(void) { virgl_renderer_poll(); return 0; }
5284EOF
5285  virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5286  virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5287  virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5288  if $pkg_config virglrenderer >/dev/null 2>&1 && \
5289     compile_prog "$virgl_cflags" "$virgl_libs" ; then
5290    virglrenderer="yes"
5291  else
5292    if test "$virglrenderer" = "yes" ; then
5293      feature_not_found "virglrenderer"
5294    fi
5295    virglrenderer="no"
5296  fi
5297fi
5298
5299##########################################
5300# capstone
5301
5302case "$capstone" in
5303  "" | yes)
5304    if $pkg_config capstone; then
5305      capstone=system
5306    elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5307      capstone=git
5308    elif test -e "${source_path}/capstone/Makefile" ; then
5309      capstone=internal
5310    elif test -z "$capstone" ; then
5311      capstone=no
5312    else
5313      feature_not_found "capstone" "Install capstone devel or git submodule"
5314    fi
5315    ;;
5316
5317  system)
5318    if ! $pkg_config capstone; then
5319      feature_not_found "capstone" "Install capstone devel"
5320    fi
5321    ;;
5322esac
5323
5324case "$capstone" in
5325  git | internal)
5326    if test "$capstone" = git; then
5327      git_submodules="${git_submodules} capstone"
5328    fi
5329    mkdir -p capstone
5330    QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
5331    if test "$mingw32" = "yes"; then
5332      LIBCAPSTONE=capstone.lib
5333    else
5334      LIBCAPSTONE=libcapstone.a
5335    fi
5336    libs_cpu="-L\$(BUILD_DIR)/capstone -lcapstone $libs_cpu"
5337    ;;
5338
5339  system)
5340    QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5341    libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5342    ;;
5343
5344  no)
5345    ;;
5346  *)
5347    error_exit "Unknown state for capstone: $capstone"
5348    ;;
5349esac
5350
5351##########################################
5352# check if we have fdatasync
5353
5354fdatasync=no
5355cat > $TMPC << EOF
5356#include <unistd.h>
5357int main(void) {
5358#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5359return fdatasync(0);
5360#else
5361#error Not supported
5362#endif
5363}
5364EOF
5365if compile_prog "" "" ; then
5366    fdatasync=yes
5367fi
5368
5369##########################################
5370# check if we have madvise
5371
5372madvise=no
5373cat > $TMPC << EOF
5374#include <sys/types.h>
5375#include <sys/mman.h>
5376#include <stddef.h>
5377int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5378EOF
5379if compile_prog "" "" ; then
5380    madvise=yes
5381fi
5382
5383##########################################
5384# check if we have posix_madvise
5385
5386posix_madvise=no
5387cat > $TMPC << EOF
5388#include <sys/mman.h>
5389#include <stddef.h>
5390int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5391EOF
5392if compile_prog "" "" ; then
5393    posix_madvise=yes
5394fi
5395
5396##########################################
5397# check if we have posix_memalign()
5398
5399posix_memalign=no
5400cat > $TMPC << EOF
5401#include <stdlib.h>
5402int main(void) {
5403    void *p;
5404    return posix_memalign(&p, 8, 8);
5405}
5406EOF
5407if compile_prog "" "" ; then
5408    posix_memalign=yes
5409fi
5410
5411##########################################
5412# check if we have posix_syslog
5413
5414posix_syslog=no
5415cat > $TMPC << EOF
5416#include <syslog.h>
5417int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5418EOF
5419if compile_prog "" "" ; then
5420    posix_syslog=yes
5421fi
5422
5423##########################################
5424# check if we have sem_timedwait
5425
5426sem_timedwait=no
5427cat > $TMPC << EOF
5428#include <semaphore.h>
5429int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5430EOF
5431if compile_prog "" "" ; then
5432    sem_timedwait=yes
5433fi
5434
5435##########################################
5436# check if we have strchrnul
5437
5438strchrnul=no
5439cat > $TMPC << EOF
5440#include <string.h>
5441int main(void);
5442// Use a haystack that the compiler shouldn't be able to constant fold
5443char *haystack = (char*)&main;
5444int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5445EOF
5446if compile_prog "" "" ; then
5447    strchrnul=yes
5448fi
5449
5450#########################################
5451# check if we have st_atim
5452
5453st_atim=no
5454cat > $TMPC << EOF
5455#include <sys/stat.h>
5456#include <stddef.h>
5457int main(void) { return offsetof(struct stat, st_atim); }
5458EOF
5459if compile_prog "" "" ; then
5460    st_atim=yes
5461fi
5462
5463##########################################
5464# check if trace backend exists
5465
5466$python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5467if test "$?" -ne 0 ; then
5468  error_exit "invalid trace backends" \
5469      "Please choose supported trace backends."
5470fi
5471
5472##########################################
5473# For 'ust' backend, test if ust headers are present
5474if have_backend "ust"; then
5475  cat > $TMPC << EOF
5476#include <lttng/tracepoint.h>
5477int main(void) { return 0; }
5478EOF
5479  if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5480    if $pkg_config lttng-ust --exists; then
5481      lttng_ust_libs=$($pkg_config --libs lttng-ust)
5482    else
5483      lttng_ust_libs="-llttng-ust -ldl"
5484    fi
5485    if $pkg_config liburcu-bp --exists; then
5486      urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5487    else
5488      urcu_bp_libs="-lurcu-bp"
5489    fi
5490
5491    LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5492    libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5493  else
5494    error_exit "Trace backend 'ust' missing lttng-ust header files"
5495  fi
5496fi
5497
5498##########################################
5499# For 'dtrace' backend, test if 'dtrace' command is present
5500if have_backend "dtrace"; then
5501  if ! has 'dtrace' ; then
5502    error_exit "dtrace command is not found in PATH $PATH"
5503  fi
5504  trace_backend_stap="no"
5505  if has 'stap' ; then
5506    trace_backend_stap="yes"
5507  fi
5508fi
5509
5510##########################################
5511# check and set a backend for coroutine
5512
5513# We prefer ucontext, but it's not always possible. The fallback
5514# is sigcontext. On Windows the only valid backend is the Windows
5515# specific one.
5516
5517ucontext_works=no
5518if test "$darwin" != "yes"; then
5519  cat > $TMPC << EOF
5520#include <ucontext.h>
5521#ifdef __stub_makecontext
5522#error Ignoring glibc stub makecontext which will always fail
5523#endif
5524int main(void) { makecontext(0, 0, 0); return 0; }
5525EOF
5526  if compile_prog "" "" ; then
5527    ucontext_works=yes
5528  fi
5529fi
5530
5531if test "$coroutine" = ""; then
5532  if test "$mingw32" = "yes"; then
5533    coroutine=win32
5534  elif test "$ucontext_works" = "yes"; then
5535    coroutine=ucontext
5536  else
5537    coroutine=sigaltstack
5538  fi
5539else
5540  case $coroutine in
5541  windows)
5542    if test "$mingw32" != "yes"; then
5543      error_exit "'windows' coroutine backend only valid for Windows"
5544    fi
5545    # Unfortunately the user visible backend name doesn't match the
5546    # coroutine-*.c filename for this case, so we have to adjust it here.
5547    coroutine=win32
5548    ;;
5549  ucontext)
5550    if test "$ucontext_works" != "yes"; then
5551      feature_not_found "ucontext"
5552    fi
5553    ;;
5554  sigaltstack)
5555    if test "$mingw32" = "yes"; then
5556      error_exit "only the 'windows' coroutine backend is valid for Windows"
5557    fi
5558    ;;
5559  *)
5560    error_exit "unknown coroutine backend $coroutine"
5561    ;;
5562  esac
5563fi
5564
5565if test "$coroutine_pool" = ""; then
5566  coroutine_pool=yes
5567fi
5568
5569if test "$debug_stack_usage" = "yes"; then
5570  if test "$coroutine_pool" = "yes"; then
5571    echo "WARN: disabling coroutine pool for stack usage debugging"
5572    coroutine_pool=no
5573  fi
5574fi
5575
5576
5577##########################################
5578# check if we have open_by_handle_at
5579
5580open_by_handle_at=no
5581cat > $TMPC << EOF
5582#include <fcntl.h>
5583#if !defined(AT_EMPTY_PATH)
5584# error missing definition
5585#else
5586int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5587#endif
5588EOF
5589if compile_prog "" "" ; then
5590    open_by_handle_at=yes
5591fi
5592
5593########################################
5594# check if we have linux/magic.h
5595
5596linux_magic_h=no
5597cat > $TMPC << EOF
5598#include <linux/magic.h>
5599int main(void) {
5600  return 0;
5601}
5602EOF
5603if compile_prog "" "" ; then
5604    linux_magic_h=yes
5605fi
5606
5607########################################
5608# check whether we can disable warning option with a pragma (this is needed
5609# to silence warnings in the headers of some versions of external libraries).
5610# This test has to be compiled with -Werror as otherwise an unknown pragma is
5611# only a warning.
5612#
5613# If we can't selectively disable warning in the code, disable -Werror so that
5614# the build doesn't fail anyway.
5615
5616pragma_disable_unused_but_set=no
5617cat > $TMPC << EOF
5618#pragma GCC diagnostic push
5619#pragma GCC diagnostic ignored "-Wstrict-prototypes"
5620#pragma GCC diagnostic pop
5621
5622int main(void) {
5623    return 0;
5624}
5625EOF
5626if compile_prog "-Werror" "" ; then
5627    pragma_diagnostic_available=yes
5628else
5629    werror=no
5630fi
5631
5632########################################
5633# check if we have valgrind/valgrind.h
5634
5635valgrind_h=no
5636cat > $TMPC << EOF
5637#include <valgrind/valgrind.h>
5638int main(void) {
5639  return 0;
5640}
5641EOF
5642if compile_prog "" "" ; then
5643    valgrind_h=yes
5644fi
5645
5646########################################
5647# check if environ is declared
5648
5649has_environ=no
5650cat > $TMPC << EOF
5651#include <unistd.h>
5652int main(void) {
5653    environ = 0;
5654    return 0;
5655}
5656EOF
5657if compile_prog "" "" ; then
5658    has_environ=yes
5659fi
5660
5661########################################
5662# check if cpuid.h is usable.
5663
5664cat > $TMPC << EOF
5665#include <cpuid.h>
5666int main(void) {
5667    unsigned a, b, c, d;
5668    int max = __get_cpuid_max(0, 0);
5669
5670    if (max >= 1) {
5671        __cpuid(1, a, b, c, d);
5672    }
5673
5674    if (max >= 7) {
5675        __cpuid_count(7, 0, a, b, c, d);
5676    }
5677
5678    return 0;
5679}
5680EOF
5681if compile_prog "" "" ; then
5682    cpuid_h=yes
5683fi
5684
5685##########################################
5686# avx2 optimization requirement check
5687#
5688# There is no point enabling this if cpuid.h is not usable,
5689# since we won't be able to select the new routines.
5690
5691if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5692  cat > $TMPC << EOF
5693#pragma GCC push_options
5694#pragma GCC target("avx2")
5695#include <cpuid.h>
5696#include <immintrin.h>
5697static int bar(void *a) {
5698    __m256i x = *(__m256i *)a;
5699    return _mm256_testz_si256(x, x);
5700}
5701int main(int argc, char *argv[]) { return bar(argv[0]); }
5702EOF
5703  if compile_object "" ; then
5704    avx2_opt="yes"
5705  else
5706    avx2_opt="no"
5707  fi
5708fi
5709
5710##########################################
5711# avx512f optimization requirement check
5712#
5713# There is no point enabling this if cpuid.h is not usable,
5714# since we won't be able to select the new routines.
5715# by default, it is turned off.
5716# if user explicitly want to enable it, check environment
5717
5718if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5719  cat > $TMPC << EOF
5720#pragma GCC push_options
5721#pragma GCC target("avx512f")
5722#include <cpuid.h>
5723#include <immintrin.h>
5724static int bar(void *a) {
5725    __m512i x = *(__m512i *)a;
5726    return _mm512_test_epi64_mask(x, x);
5727}
5728int main(int argc, char *argv[])
5729{
5730	return bar(argv[0]);
5731}
5732EOF
5733  if ! compile_object "" ; then
5734    avx512f_opt="no"
5735  fi
5736else
5737  avx512f_opt="no"
5738fi
5739
5740########################################
5741# check if __[u]int128_t is usable.
5742
5743int128=no
5744cat > $TMPC << EOF
5745__int128_t a;
5746__uint128_t b;
5747int main (void) {
5748  a = a + b;
5749  b = a * b;
5750  a = a * a;
5751  return 0;
5752}
5753EOF
5754if compile_prog "" "" ; then
5755    int128=yes
5756fi
5757
5758#########################################
5759# See if 128-bit atomic operations are supported.
5760
5761atomic128=no
5762if test "$int128" = "yes"; then
5763  cat > $TMPC << EOF
5764int main(void)
5765{
5766  unsigned __int128 x = 0, y = 0;
5767  y = __atomic_load_16(&x, 0);
5768  __atomic_store_16(&x, y, 0);
5769  __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5770  return 0;
5771}
5772EOF
5773  if compile_prog "" "" ; then
5774    atomic128=yes
5775  fi
5776fi
5777
5778cmpxchg128=no
5779if test "$int128" = yes && test "$atomic128" = no; then
5780  cat > $TMPC << EOF
5781int main(void)
5782{
5783  unsigned __int128 x = 0, y = 0;
5784  __sync_val_compare_and_swap_16(&x, y, x);
5785  return 0;
5786}
5787EOF
5788  if compile_prog "" "" ; then
5789    cmpxchg128=yes
5790  fi
5791fi
5792
5793#########################################
5794# See if 64-bit atomic operations are supported.
5795# Note that without __atomic builtins, we can only
5796# assume atomic loads/stores max at pointer size.
5797
5798cat > $TMPC << EOF
5799#include <stdint.h>
5800int main(void)
5801{
5802  uint64_t x = 0, y = 0;
5803#ifdef __ATOMIC_RELAXED
5804  y = __atomic_load_8(&x, 0);
5805  __atomic_store_8(&x, y, 0);
5806  __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5807  __atomic_exchange_8(&x, y, 0);
5808  __atomic_fetch_add_8(&x, y, 0);
5809#else
5810  typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5811  __sync_lock_test_and_set(&x, y);
5812  __sync_val_compare_and_swap(&x, y, 0);
5813  __sync_fetch_and_add(&x, y);
5814#endif
5815  return 0;
5816}
5817EOF
5818if compile_prog "" "" ; then
5819  atomic64=yes
5820fi
5821
5822#########################################
5823# See if --dynamic-list is supported by the linker
5824ld_dynamic_list="no"
5825if test "$static" = "no" ; then
5826    cat > $TMPTXT <<EOF
5827{
5828  foo;
5829};
5830EOF
5831
5832    cat > $TMPC <<EOF
5833#include <stdio.h>
5834void foo(void);
5835
5836void foo(void)
5837{
5838  printf("foo\n");
5839}
5840
5841int main(void)
5842{
5843  foo();
5844  return 0;
5845}
5846EOF
5847
5848    if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5849        ld_dynamic_list="yes"
5850    fi
5851fi
5852
5853#########################################
5854# See if -exported_symbols_list is supported by the linker
5855
5856ld_exported_symbols_list="no"
5857if test "$static" = "no" ; then
5858    cat > $TMPTXT <<EOF
5859  _foo
5860EOF
5861
5862    if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5863        ld_exported_symbols_list="yes"
5864    fi
5865fi
5866
5867if  test "$plugins" = "yes" &&
5868    test "$ld_dynamic_list" = "no" &&
5869    test "$ld_exported_symbols_list" = "no" ; then
5870  error_exit \
5871      "Plugin support requires dynamic linking and specifying a set of symbols " \
5872      "that are exported to plugins. Unfortunately your linker doesn't " \
5873      "support the flag (--dynamic-list or -exported_symbols_list) used " \
5874      "for this purpose. You can't build with --static."
5875fi
5876
5877########################################
5878# See if __attribute__((alias)) is supported.
5879# This false for Xcode 9, but has been remedied for Xcode 10.
5880# Unfortunately, travis uses Xcode 9 by default.
5881
5882attralias=no
5883cat > $TMPC << EOF
5884int x = 1;
5885extern const int y __attribute__((alias("x")));
5886int main(void) { return 0; }
5887EOF
5888if compile_prog "" "" ; then
5889    attralias=yes
5890fi
5891
5892########################################
5893# check if getauxval is available.
5894
5895getauxval=no
5896cat > $TMPC << EOF
5897#include <sys/auxv.h>
5898int main(void) {
5899  return getauxval(AT_HWCAP) == 0;
5900}
5901EOF
5902if compile_prog "" "" ; then
5903    getauxval=yes
5904fi
5905
5906########################################
5907# check if ccache is interfering with
5908# semantic analysis of macros
5909
5910unset CCACHE_CPP2
5911ccache_cpp2=no
5912cat > $TMPC << EOF
5913static const int Z = 1;
5914#define fn() ({ Z; })
5915#define TAUT(X) ((X) == Z)
5916#define PAREN(X, Y) (X == Y)
5917#define ID(X) (X)
5918int main(int argc, char *argv[])
5919{
5920    int x = 0, y = 0;
5921    x = ID(x);
5922    x = fn();
5923    fn();
5924    if (PAREN(x, y)) return 0;
5925    if (TAUT(Z)) return 0;
5926    return 0;
5927}
5928EOF
5929
5930if ! compile_object "-Werror"; then
5931    ccache_cpp2=yes
5932fi
5933
5934#################################################
5935# clang does not support glibc + FORTIFY_SOURCE.
5936
5937if test "$fortify_source" != "no"; then
5938  if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5939    fortify_source="no";
5940  elif test -n "$cxx" && has $cxx &&
5941       echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5942    fortify_source="no";
5943  else
5944    fortify_source="yes"
5945  fi
5946fi
5947
5948###############################################
5949# Check if copy_file_range is provided by glibc
5950have_copy_file_range=no
5951cat > $TMPC << EOF
5952#include <unistd.h>
5953int main(void) {
5954  copy_file_range(0, NULL, 0, NULL, 0, 0);
5955  return 0;
5956}
5957EOF
5958if compile_prog "" "" ; then
5959    have_copy_file_range=yes
5960fi
5961
5962##########################################
5963# check if struct fsxattr is available via linux/fs.h
5964
5965have_fsxattr=no
5966cat > $TMPC << EOF
5967#include <linux/fs.h>
5968struct fsxattr foo;
5969int main(void) {
5970  return 0;
5971}
5972EOF
5973if compile_prog "" "" ; then
5974    have_fsxattr=yes
5975fi
5976
5977##########################################
5978# check for usable membarrier system call
5979if test "$membarrier" = "yes"; then
5980    have_membarrier=no
5981    if test "$mingw32" = "yes" ; then
5982        have_membarrier=yes
5983    elif test "$linux" = "yes" ; then
5984        cat > $TMPC << EOF
5985    #include <linux/membarrier.h>
5986    #include <sys/syscall.h>
5987    #include <unistd.h>
5988    #include <stdlib.h>
5989    int main(void) {
5990        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5991        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5992	exit(0);
5993    }
5994EOF
5995        if compile_prog "" "" ; then
5996            have_membarrier=yes
5997        fi
5998    fi
5999    if test "$have_membarrier" = "no"; then
6000      feature_not_found "membarrier" "membarrier system call not available"
6001    fi
6002else
6003    # Do not enable it by default even for Mingw32, because it doesn't
6004    # work on Wine.
6005    membarrier=no
6006fi
6007
6008##########################################
6009# check if rtnetlink.h exists and is useful
6010have_rtnetlink=no
6011cat > $TMPC << EOF
6012#include <linux/rtnetlink.h>
6013int main(void) {
6014  return IFLA_PROTO_DOWN;
6015}
6016EOF
6017if compile_prog "" "" ; then
6018    have_rtnetlink=yes
6019fi
6020
6021##########################################
6022# check for usable AF_VSOCK environment
6023have_af_vsock=no
6024cat > $TMPC << EOF
6025#include <errno.h>
6026#include <sys/types.h>
6027#include <sys/socket.h>
6028#if !defined(AF_VSOCK)
6029# error missing AF_VSOCK flag
6030#endif
6031#include <linux/vm_sockets.h>
6032int main(void) {
6033    int sock, ret;
6034    struct sockaddr_vm svm;
6035    socklen_t len = sizeof(svm);
6036    sock = socket(AF_VSOCK, SOCK_STREAM, 0);
6037    ret = getpeername(sock, (struct sockaddr *)&svm, &len);
6038    if ((ret == -1) && (errno == ENOTCONN)) {
6039        return 0;
6040    }
6041    return -1;
6042}
6043EOF
6044if compile_prog "" "" ; then
6045    have_af_vsock=yes
6046fi
6047
6048##########################################
6049# check for usable AF_ALG environment
6050have_afalg=no
6051cat > $TMPC << EOF
6052#include <errno.h>
6053#include <sys/types.h>
6054#include <sys/socket.h>
6055#include <linux/if_alg.h>
6056int main(void) {
6057    int sock;
6058    sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
6059    return sock;
6060}
6061EOF
6062if compile_prog "" "" ; then
6063    have_afalg=yes
6064fi
6065if test "$crypto_afalg" = "yes"
6066then
6067    if test "$have_afalg" != "yes"
6068    then
6069	error_exit "AF_ALG requested but could not be detected"
6070    fi
6071fi
6072
6073
6074#################################################
6075# Check to see if we have the Hypervisor framework
6076if [ "$darwin" = "yes" ] ; then
6077  cat > $TMPC << EOF
6078#include <Hypervisor/hv.h>
6079int main() { return 0;}
6080EOF
6081  if ! compile_object ""; then
6082    hvf='no'
6083  else
6084    hvf='yes'
6085    QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
6086  fi
6087fi
6088
6089#################################################
6090# Sparc implicitly links with --relax, which is
6091# incompatible with -r, so --no-relax should be
6092# given. It does no harm to give it on other
6093# platforms too.
6094
6095# Note: the prototype is needed since QEMU_CFLAGS
6096#       contains -Wmissing-prototypes
6097cat > $TMPC << EOF
6098extern int foo(void);
6099int foo(void) { return 0; }
6100EOF
6101if ! compile_object ""; then
6102  error_exit "Failed to compile object file for LD_REL_FLAGS test"
6103fi
6104for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
6105  if do_cc -nostdlib $i -o $TMPMO $TMPO; then
6106    LD_REL_FLAGS=$i
6107    break
6108  fi
6109done
6110if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
6111  feature_not_found "modules" "Cannot find how to build relocatable objects"
6112fi
6113
6114##########################################
6115# check for sysmacros.h
6116
6117have_sysmacros=no
6118cat > $TMPC << EOF
6119#include <sys/sysmacros.h>
6120int main(void) {
6121    return makedev(0, 0);
6122}
6123EOF
6124if compile_prog "" "" ; then
6125    have_sysmacros=yes
6126fi
6127
6128##########################################
6129# Veritas HyperScale block driver VxHS
6130# Check if libvxhs is installed
6131
6132if test "$vxhs" != "no" ; then
6133  cat > $TMPC <<EOF
6134#include <stdint.h>
6135#include <qnio/qnio_api.h>
6136
6137void *vxhs_callback;
6138
6139int main(void) {
6140    iio_init(QNIO_VERSION, vxhs_callback);
6141    return 0;
6142}
6143EOF
6144  vxhs_libs="-lvxhs -lssl"
6145  if compile_prog "" "$vxhs_libs" ; then
6146    vxhs=yes
6147  else
6148    if test "$vxhs" = "yes" ; then
6149      feature_not_found "vxhs block device" "Install libvxhs See github"
6150    fi
6151    vxhs=no
6152  fi
6153fi
6154
6155##########################################
6156# check for _Static_assert()
6157
6158have_static_assert=no
6159cat > $TMPC << EOF
6160_Static_assert(1, "success");
6161int main(void) {
6162    return 0;
6163}
6164EOF
6165if compile_prog "" "" ; then
6166    have_static_assert=yes
6167fi
6168
6169##########################################
6170# check for utmpx.h, it is missing e.g. on OpenBSD
6171
6172have_utmpx=no
6173cat > $TMPC << EOF
6174#include <utmpx.h>
6175struct utmpx user_info;
6176int main(void) {
6177    return 0;
6178}
6179EOF
6180if compile_prog "" "" ; then
6181    have_utmpx=yes
6182fi
6183
6184##########################################
6185# check for getrandom()
6186
6187have_getrandom=no
6188cat > $TMPC << EOF
6189#include <sys/random.h>
6190int main(void) {
6191    return getrandom(0, 0, GRND_NONBLOCK);
6192}
6193EOF
6194if compile_prog "" "" ; then
6195    have_getrandom=yes
6196fi
6197
6198##########################################
6199# checks for sanitizers
6200
6201have_asan=no
6202have_ubsan=no
6203have_asan_iface_h=no
6204have_asan_iface_fiber=no
6205
6206if test "$sanitizers" = "yes" ; then
6207  write_c_skeleton
6208  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6209      have_asan=yes
6210  fi
6211
6212  # we could use a simple skeleton for flags checks, but this also
6213  # detect the static linking issue of ubsan, see also:
6214  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6215  cat > $TMPC << EOF
6216#include <stdlib.h>
6217int main(void) {
6218    void *tmp = malloc(10);
6219    if (tmp != NULL) {
6220        return *(int *)(tmp + 2);
6221    }
6222}
6223EOF
6224  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6225      have_ubsan=yes
6226  fi
6227
6228  if check_include "sanitizer/asan_interface.h" ; then
6229      have_asan_iface_h=yes
6230  fi
6231
6232  cat > $TMPC << EOF
6233#include <sanitizer/asan_interface.h>
6234int main(void) {
6235  __sanitizer_start_switch_fiber(0, 0, 0);
6236  return 0;
6237}
6238EOF
6239  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6240      have_asan_iface_fiber=yes
6241  fi
6242fi
6243
6244##########################################
6245# checks for fuzzer
6246if test "$fuzzing" = "yes" ; then
6247  write_c_fuzzer_skeleton
6248  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address,fuzzer" ""; then
6249      have_fuzzer=yes
6250  fi
6251fi
6252
6253# Thread sanitizer is, for now, much noisier than the other sanitizers;
6254# keep it separate until that is not the case.
6255if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
6256  error_exit "TSAN is not supported with other sanitiziers."
6257fi
6258have_tsan=no
6259have_tsan_iface_fiber=no
6260if test "$tsan" = "yes" ; then
6261  write_c_skeleton
6262  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6263      have_tsan=yes
6264  fi
6265  cat > $TMPC << EOF
6266#include <sanitizer/tsan_interface.h>
6267int main(void) {
6268  __tsan_create_fiber(0);
6269  return 0;
6270}
6271EOF
6272  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6273      have_tsan_iface_fiber=yes
6274  fi
6275fi
6276
6277##########################################
6278# check for libpmem
6279
6280if test "$libpmem" != "no"; then
6281	if $pkg_config --exists "libpmem"; then
6282		libpmem="yes"
6283		libpmem_libs=$($pkg_config --libs libpmem)
6284		libpmem_cflags=$($pkg_config --cflags libpmem)
6285		libs_softmmu="$libs_softmmu $libpmem_libs"
6286		QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6287	else
6288		if test "$libpmem" = "yes" ; then
6289			feature_not_found "libpmem" "Install nvml or pmdk"
6290		fi
6291		libpmem="no"
6292	fi
6293fi
6294
6295##########################################
6296# check for slirp
6297
6298# slirp is only required when building softmmu targets
6299if test -z "$slirp" -a "$softmmu" != "yes" ; then
6300    slirp="no"
6301fi
6302
6303case "$slirp" in
6304  "" | yes)
6305    if $pkg_config slirp; then
6306      slirp=system
6307    elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6308      slirp=git
6309    elif test -e "${source_path}/slirp/Makefile" ; then
6310      slirp=internal
6311    elif test -z "$slirp" ; then
6312      slirp=no
6313    else
6314      feature_not_found "slirp" "Install slirp devel or git submodule"
6315    fi
6316    ;;
6317
6318  system)
6319    if ! $pkg_config slirp; then
6320      feature_not_found "slirp" "Install slirp devel"
6321    fi
6322    ;;
6323esac
6324
6325case "$slirp" in
6326  git | internal)
6327    if test "$slirp" = git; then
6328      git_submodules="${git_submodules} slirp"
6329    fi
6330    mkdir -p slirp
6331    slirp_cflags="-I\$(SRC_PATH)/slirp/src -I\$(BUILD_DIR)/slirp/src"
6332    slirp_libs="-L\$(BUILD_DIR)/slirp -lslirp"
6333    if test "$mingw32" = "yes" ; then
6334      slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6335    fi
6336    ;;
6337
6338  system)
6339    slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6340    slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6341    slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6342    ;;
6343
6344  no)
6345    ;;
6346  *)
6347    error_exit "Unknown state for slirp: $slirp"
6348    ;;
6349esac
6350
6351##########################################
6352# check for usable __NR_keyctl syscall
6353
6354if test "$linux" = "yes" ; then
6355
6356    have_keyring=no
6357    cat > $TMPC << EOF
6358#include <errno.h>
6359#include <asm/unistd.h>
6360#include <linux/keyctl.h>
6361#include <unistd.h>
6362int main(void) {
6363    return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
6364}
6365EOF
6366    if compile_prog "" "" ; then
6367        have_keyring=yes
6368    fi
6369fi
6370if test "$secret_keyring" != "no"
6371then
6372    if test "$have_keyring" == "yes"
6373    then
6374	secret_keyring=yes
6375    else
6376	if test "$secret_keyring" = "yes"
6377	then
6378	    error_exit "syscall __NR_keyctl requested, \
6379but not implemented on your system"
6380	else
6381	    secret_keyring=no
6382	fi
6383    fi
6384fi
6385
6386##########################################
6387# check for usable keyutils.h
6388
6389if test "$linux" = "yes" ; then
6390
6391    have_keyutils=no
6392    cat > $TMPC << EOF
6393#include <errno.h>
6394#include <asm/unistd.h>
6395#include <unistd.h>
6396#include <sys/types.h>
6397#include <keyutils.h>
6398int main(void) {
6399    return request_key("user", NULL, NULL, 0);
6400}
6401EOF
6402    if compile_prog "" "-lkeyutils"; then
6403        have_keyutils=yes
6404    fi
6405fi
6406
6407
6408##########################################
6409# End of CC checks
6410# After here, no more $cc or $ld runs
6411
6412write_c_skeleton
6413
6414if test "$gcov" = "yes" ; then
6415  QEMU_CFLAGS="-fprofile-arcs -ftest-coverage -g $QEMU_CFLAGS"
6416  QEMU_LDFLAGS="-fprofile-arcs -ftest-coverage $QEMU_LDFLAGS"
6417elif test "$fortify_source" = "yes" ; then
6418  CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
6419elif test "$debug" = "no"; then
6420  CFLAGS="-O2 $CFLAGS"
6421fi
6422
6423if test "$have_asan" = "yes"; then
6424  QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6425  QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6426  if test "$have_asan_iface_h" = "no" ; then
6427      echo "ASAN build enabled, but ASAN header missing." \
6428           "Without code annotation, the report may be inferior."
6429  elif test "$have_asan_iface_fiber" = "no" ; then
6430      echo "ASAN build enabled, but ASAN header is too old." \
6431           "Without code annotation, the report may be inferior."
6432  fi
6433fi
6434if test "$have_tsan" = "yes" ; then
6435  if test "$have_tsan_iface_fiber" = "yes" ; then
6436    QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
6437    QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
6438  else
6439    error_exit "Cannot enable TSAN due to missing fiber annotation interface."
6440  fi
6441elif test "$tsan" = "yes" ; then
6442  error_exit "Cannot enable TSAN due to missing sanitize thread interface."
6443fi
6444if test "$have_ubsan" = "yes"; then
6445  QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6446  QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6447fi
6448
6449##########################################
6450# Do we have libnfs
6451if test "$libnfs" != "no" ; then
6452  if $pkg_config --atleast-version=1.9.3 libnfs; then
6453    libnfs="yes"
6454    libnfs_libs=$($pkg_config --libs libnfs)
6455  else
6456    if test "$libnfs" = "yes" ; then
6457      feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6458    fi
6459    libnfs="no"
6460  fi
6461fi
6462
6463##########################################
6464# Do we have libudev
6465if test "$libudev" != "no" ; then
6466  if $pkg_config libudev && test "$static" != "yes"; then
6467    libudev="yes"
6468    libudev_libs=$($pkg_config --libs libudev)
6469  else
6470    libudev="no"
6471  fi
6472fi
6473
6474# Now we've finished running tests it's OK to add -Werror to the compiler flags
6475if test "$werror" = "yes"; then
6476    QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6477fi
6478
6479# Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
6480if test "$solaris" = "no" && test "$tsan" = "no"; then
6481    if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6482        QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6483    fi
6484fi
6485
6486# test if pod2man has --utf8 option
6487if pod2man --help | grep -q utf8; then
6488    POD2MAN="pod2man --utf8"
6489else
6490    POD2MAN="pod2man"
6491fi
6492
6493# Use ASLR, no-SEH and DEP if available
6494if test "$mingw32" = "yes" ; then
6495    for flag in --dynamicbase --no-seh --nxcompat; do
6496        if ld_has $flag ; then
6497            QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6498        fi
6499    done
6500fi
6501
6502# Disable OpenBSD W^X if available
6503if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6504    cat > $TMPC <<EOF
6505    int main(void) { return 0; }
6506EOF
6507    wx_ldflags="-Wl,-z,wxneeded"
6508    if compile_prog "" "$wx_ldflags"; then
6509        QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6510    fi
6511fi
6512
6513qemu_confdir=$sysconfdir$confsuffix
6514qemu_moddir=$libdir$confsuffix
6515qemu_datadir=$datadir$confsuffix
6516qemu_localedir="$datadir/locale"
6517qemu_icondir="$datadir/icons"
6518qemu_desktopdir="$datadir/applications"
6519
6520# We can only support ivshmem if we have eventfd
6521if [ "$eventfd" = "yes" ]; then
6522  ivshmem=yes
6523fi
6524
6525tools=""
6526if test "$want_tools" = "yes" ; then
6527  tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
6528  if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6529    tools="qemu-nbd\$(EXESUF) qemu-storage-daemon\$(EXESUF) $tools"
6530  fi
6531  if [ "$ivshmem" = "yes" ]; then
6532    tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
6533  fi
6534  if [ "$curl" = "yes" ]; then
6535      tools="elf2dmp\$(EXESUF) $tools"
6536  fi
6537fi
6538if test "$softmmu" = yes ; then
6539  if test "$linux" = yes; then
6540    if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6541      virtfs=yes
6542      helpers="$helpers fsdev/virtfs-proxy-helper\$(EXESUF)"
6543    else
6544      if test "$virtfs" = yes; then
6545        error_exit "VirtFS requires libcap-ng devel and libattr devel"
6546      fi
6547      virtfs=no
6548    fi
6549    if test "$mpath" != no && test "$mpathpersist" = yes ; then
6550      mpath=yes
6551    else
6552      if test "$mpath" = yes; then
6553        error_exit "Multipath requires libmpathpersist devel"
6554      fi
6555      mpath=no
6556    fi
6557    helpers="$helpers scsi/qemu-pr-helper\$(EXESUF)"
6558  else
6559    if test "$virtfs" = yes; then
6560      error_exit "VirtFS is supported only on Linux"
6561    fi
6562    virtfs=no
6563    if test "$mpath" = yes; then
6564      error_exit "Multipath is supported only on Linux"
6565    fi
6566    mpath=no
6567  fi
6568  if test "$xkbcommon" = "yes"; then
6569    tools="qemu-keymap\$(EXESUF) $tools"
6570  fi
6571fi
6572
6573# Probe for guest agent support/options
6574
6575if [ "$guest_agent" != "no" ]; then
6576  if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6577      guest_agent=no
6578  elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6579      tools="qemu-ga\$(EXESUF) $tools"
6580      guest_agent=yes
6581  elif [ "$guest_agent" != yes ]; then
6582      guest_agent=no
6583  else
6584      error_exit "Guest agent is not supported on this platform"
6585  fi
6586fi
6587
6588# Guest agent Window MSI  package
6589
6590if test "$guest_agent" != yes; then
6591  if test "$guest_agent_msi" = yes; then
6592    error_exit "MSI guest agent package requires guest agent enabled"
6593  fi
6594  guest_agent_msi=no
6595elif test "$mingw32" != "yes"; then
6596  if test "$guest_agent_msi" = "yes"; then
6597    error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6598  fi
6599  guest_agent_msi=no
6600elif ! has wixl; then
6601  if test "$guest_agent_msi" = "yes"; then
6602    error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6603  fi
6604  guest_agent_msi=no
6605else
6606  # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6607  # disabled explicitly
6608  if test "$guest_agent_msi" != "no"; then
6609    guest_agent_msi=yes
6610  fi
6611fi
6612
6613if test "$guest_agent_msi" = "yes"; then
6614  if test "$guest_agent_with_vss" = "yes"; then
6615    QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6616  fi
6617
6618  if test "$QEMU_GA_MANUFACTURER" = ""; then
6619    QEMU_GA_MANUFACTURER=QEMU
6620  fi
6621
6622  if test "$QEMU_GA_DISTRO" = ""; then
6623    QEMU_GA_DISTRO=Linux
6624  fi
6625
6626  if test "$QEMU_GA_VERSION" = ""; then
6627      QEMU_GA_VERSION=$(cat $source_path/VERSION)
6628  fi
6629
6630  QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6631
6632  case "$cpu" in
6633  x86_64)
6634    QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6635    ;;
6636  i386)
6637    QEMU_GA_MSI_ARCH="-D Arch=32"
6638    ;;
6639  *)
6640    error_exit "CPU $cpu not supported for building installation package"
6641    ;;
6642  esac
6643fi
6644
6645# Mac OS X ships with a broken assembler
6646roms=
6647if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6648        test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6649        test "$softmmu" = yes ; then
6650    # Different host OS linkers have different ideas about the name of the ELF
6651    # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6652    # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6653    for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6654        if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6655            ld_i386_emulation="$emu"
6656            roms="optionrom"
6657            break
6658        fi
6659    done
6660fi
6661
6662# Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6663if test "$cpu" = "s390x" ; then
6664  write_c_skeleton
6665  if compile_prog "-march=z900" ""; then
6666    roms="$roms s390-ccw"
6667    # SLOF is required for building the s390-ccw firmware on s390x,
6668    # since it is using the libnet code from SLOF for network booting.
6669    if test -e "${source_path}/.git" ; then
6670      git_submodules="${git_submodules} roms/SLOF"
6671    fi
6672  fi
6673fi
6674
6675# Check that the C++ compiler exists and works with the C compiler.
6676# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6677if has $cxx; then
6678    cat > $TMPC <<EOF
6679int c_function(void);
6680int main(void) { return c_function(); }
6681EOF
6682
6683    compile_object
6684
6685    cat > $TMPCXX <<EOF
6686extern "C" {
6687   int c_function(void);
6688}
6689int c_function(void) { return 42; }
6690EOF
6691
6692    update_cxxflags
6693
6694    if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6695        # C++ compiler $cxx works ok with C compiler $cc
6696        :
6697    else
6698        echo "C++ compiler $cxx does not work with C compiler $cc"
6699        echo "Disabling C++ specific optional code"
6700        cxx=
6701    fi
6702else
6703    echo "No C++ compiler available; disabling C++ specific optional code"
6704    cxx=
6705fi
6706
6707echo_version() {
6708    if test "$1" = "yes" ; then
6709        echo "($2)"
6710    fi
6711}
6712
6713# prepend pixman and ftd flags after all config tests are done
6714QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6715QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6716libs_softmmu="$pixman_libs $libs_softmmu"
6717
6718echo "Install prefix    $prefix"
6719echo "BIOS directory    $(eval echo $qemu_datadir)"
6720echo "firmware path     $(eval echo $firmwarepath)"
6721echo "binary directory  $(eval echo $bindir)"
6722echo "library directory $(eval echo $libdir)"
6723echo "module directory  $(eval echo $qemu_moddir)"
6724echo "libexec directory $(eval echo $libexecdir)"
6725echo "include directory $(eval echo $includedir)"
6726echo "config directory  $(eval echo $sysconfdir)"
6727if test "$mingw32" = "no" ; then
6728echo "local state directory   $(eval echo $local_statedir)"
6729echo "Manual directory  $(eval echo $mandir)"
6730echo "ELF interp prefix $interp_prefix"
6731else
6732echo "local state directory   queried at runtime"
6733echo "Windows SDK       $win_sdk"
6734fi
6735echo "Build directory   $(pwd)"
6736echo "Source path       $source_path"
6737echo "GIT binary        $git"
6738echo "GIT submodules    $git_submodules"
6739echo "C compiler        $cc"
6740echo "Host C compiler   $host_cc"
6741echo "C++ compiler      $cxx"
6742echo "Objective-C compiler $objcc"
6743echo "ARFLAGS           $ARFLAGS"
6744echo "CFLAGS            $CFLAGS"
6745echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6746echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6747echo "make              $make"
6748echo "install           $install"
6749echo "python            $python ($python_version)"
6750if test "$docs" != "no"; then
6751    echo "sphinx-build      $sphinx_build"
6752fi
6753echo "genisoimage       $genisoimage"
6754echo "slirp support     $slirp $(echo_version $slirp $slirp_version)"
6755if test "$slirp" != "no" ; then
6756    echo "smbd              $smbd"
6757fi
6758echo "module support    $modules"
6759echo "alt path mod load $module_upgrades"
6760echo "host CPU          $cpu"
6761echo "host big endian   $bigendian"
6762echo "target list       $target_list"
6763echo "gprof enabled     $gprof"
6764echo "sparse enabled    $sparse"
6765echo "strip binaries    $strip_opt"
6766echo "profiler          $profiler"
6767echo "static build      $static"
6768if test "$darwin" = "yes" ; then
6769    echo "Cocoa support     $cocoa"
6770fi
6771echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6772echo "SDL image support $sdl_image"
6773echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6774echo "GTK GL support    $gtk_gl"
6775echo "VTE support       $vte $(echo_version $vte $vteversion)"
6776echo "TLS priority      $tls_priority"
6777echo "GNUTLS support    $gnutls"
6778echo "libgcrypt         $gcrypt"
6779if test "$gcrypt" = "yes"
6780then
6781   echo "  hmac            $gcrypt_hmac"
6782   echo "  XTS             $gcrypt_xts"
6783fi
6784echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6785if test "$nettle" = "yes"
6786then
6787   echo "  XTS             $nettle_xts"
6788fi
6789echo "libtasn1          $tasn1"
6790echo "PAM               $auth_pam"
6791echo "iconv support     $iconv"
6792echo "curses support    $curses"
6793echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6794echo "curl support      $curl"
6795echo "mingw32 support   $mingw32"
6796echo "Audio drivers     $audio_drv_list"
6797echo "Block whitelist (rw) $block_drv_rw_whitelist"
6798echo "Block whitelist (ro) $block_drv_ro_whitelist"
6799echo "VirtFS support    $virtfs"
6800echo "Multipath support $mpath"
6801echo "VNC support       $vnc"
6802if test "$vnc" = "yes" ; then
6803    echo "VNC SASL support  $vnc_sasl"
6804    echo "VNC JPEG support  $vnc_jpeg"
6805    echo "VNC PNG support   $vnc_png"
6806fi
6807echo "xen support       $xen"
6808if test "$xen" = "yes" ; then
6809  echo "xen ctrl version  $xen_ctrl_version"
6810fi
6811echo "brlapi support    $brlapi"
6812echo "Documentation     $docs"
6813echo "PIE               $pie"
6814echo "vde support       $vde"
6815echo "netmap support    $netmap"
6816echo "Linux AIO support $linux_aio"
6817echo "Linux io_uring support $linux_io_uring"
6818echo "ATTR/XATTR support $attr"
6819echo "Install blobs     $blobs"
6820echo "KVM support       $kvm"
6821echo "HAX support       $hax"
6822echo "HVF support       $hvf"
6823echo "WHPX support      $whpx"
6824echo "TCG support       $tcg"
6825if test "$tcg" = "yes" ; then
6826    echo "TCG debug enabled $debug_tcg"
6827    echo "TCG interpreter   $tcg_interpreter"
6828fi
6829echo "malloc trim support $malloc_trim"
6830echo "RDMA support      $rdma"
6831echo "PVRDMA support    $pvrdma"
6832echo "fdt support       $fdt"
6833echo "membarrier        $membarrier"
6834echo "preadv support    $preadv"
6835echo "fdatasync         $fdatasync"
6836echo "madvise           $madvise"
6837echo "posix_madvise     $posix_madvise"
6838echo "posix_memalign    $posix_memalign"
6839echo "libcap-ng support $cap_ng"
6840echo "vhost-net support $vhost_net"
6841echo "vhost-crypto support $vhost_crypto"
6842echo "vhost-scsi support $vhost_scsi"
6843echo "vhost-vsock support $vhost_vsock"
6844echo "vhost-user support $vhost_user"
6845echo "vhost-user-fs support $vhost_user_fs"
6846echo "Trace backends    $trace_backends"
6847if have_backend "simple"; then
6848echo "Trace output file $trace_file-<pid>"
6849fi
6850echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6851echo "rbd support       $rbd"
6852echo "xfsctl support    $xfs"
6853echo "smartcard support $smartcard"
6854echo "libusb            $libusb"
6855echo "usb net redir     $usb_redir"
6856echo "OpenGL support    $opengl"
6857echo "OpenGL dmabufs    $opengl_dmabuf"
6858echo "libiscsi support  $libiscsi"
6859echo "libnfs support    $libnfs"
6860echo "build guest agent $guest_agent"
6861echo "QGA VSS support   $guest_agent_with_vss"
6862echo "QGA w32 disk info $guest_agent_ntddscsi"
6863echo "QGA MSI support   $guest_agent_msi"
6864echo "seccomp support   $seccomp"
6865echo "coroutine backend $coroutine"
6866echo "coroutine pool    $coroutine_pool"
6867echo "debug stack usage $debug_stack_usage"
6868echo "mutex debugging   $debug_mutex"
6869echo "crypto afalg      $crypto_afalg"
6870echo "GlusterFS support $glusterfs"
6871echo "gcov              $gcov_tool"
6872echo "gcov enabled      $gcov"
6873echo "TPM support       $tpm"
6874echo "libssh support    $libssh"
6875echo "QOM debugging     $qom_cast_debug"
6876echo "Live block migration $live_block_migration"
6877echo "lzo support       $lzo"
6878echo "snappy support    $snappy"
6879echo "bzip2 support     $bzip2"
6880echo "lzfse support     $lzfse"
6881echo "zstd support      $zstd"
6882echo "NUMA host support $numa"
6883echo "libxml2           $libxml2"
6884echo "tcmalloc support  $tcmalloc"
6885echo "jemalloc support  $jemalloc"
6886echo "avx2 optimization $avx2_opt"
6887echo "avx512f optimization $avx512f_opt"
6888echo "replication support $replication"
6889echo "VxHS block device $vxhs"
6890echo "bochs support     $bochs"
6891echo "cloop support     $cloop"
6892echo "dmg support       $dmg"
6893echo "qcow v1 support   $qcow1"
6894echo "vdi support       $vdi"
6895echo "vvfat support     $vvfat"
6896echo "qed support       $qed"
6897echo "parallels support $parallels"
6898echo "sheepdog support  $sheepdog"
6899echo "capstone          $capstone"
6900echo "libpmem support   $libpmem"
6901echo "libudev           $libudev"
6902echo "default devices   $default_devices"
6903echo "plugin support    $plugins"
6904echo "fuzzing support   $fuzzing"
6905echo "gdb               $gdb_bin"
6906echo "rng-none          $rng_none"
6907echo "Linux keyring     $secret_keyring"
6908
6909if test "$supported_cpu" = "no"; then
6910    echo
6911    echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6912    echo
6913    echo "CPU host architecture $cpu support is not currently maintained."
6914    echo "The QEMU project intends to remove support for this host CPU in"
6915    echo "a future release if nobody volunteers to maintain it and to"
6916    echo "provide a build host for our continuous integration setup."
6917    echo "configure has succeeded and you can continue to build, but"
6918    echo "if you care about QEMU on this platform you should contact"
6919    echo "us upstream at qemu-devel@nongnu.org."
6920fi
6921
6922if test "$supported_os" = "no"; then
6923    echo
6924    echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6925    echo
6926    echo "Host OS $targetos support is not currently maintained."
6927    echo "The QEMU project intends to remove support for this host OS in"
6928    echo "a future release if nobody volunteers to maintain it and to"
6929    echo "provide a build host for our continuous integration setup."
6930    echo "configure has succeeded and you can continue to build, but"
6931    echo "if you care about QEMU on this platform you should contact"
6932    echo "us upstream at qemu-devel@nongnu.org."
6933fi
6934
6935config_host_mak="config-host.mak"
6936
6937echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6938
6939echo "# Automatically generated by configure - do not modify" > $config_host_mak
6940echo >> $config_host_mak
6941
6942echo all: >> $config_host_mak
6943echo "prefix=$prefix" >> $config_host_mak
6944echo "bindir=$bindir" >> $config_host_mak
6945echo "libdir=$libdir" >> $config_host_mak
6946echo "libexecdir=$libexecdir" >> $config_host_mak
6947echo "includedir=$includedir" >> $config_host_mak
6948echo "mandir=$mandir" >> $config_host_mak
6949echo "sysconfdir=$sysconfdir" >> $config_host_mak
6950echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6951echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6952echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6953echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6954echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6955if test "$mingw32" = "no" ; then
6956  echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6957fi
6958echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6959echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6960echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6961echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6962echo "libs_cpu=$libs_cpu" >> $config_host_mak
6963echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6964echo "GIT=$git" >> $config_host_mak
6965echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6966echo "GIT_UPDATE=$git_update" >> $config_host_mak
6967
6968echo "ARCH=$ARCH" >> $config_host_mak
6969
6970if test "$default_devices" = "yes" ; then
6971  echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6972else
6973  echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6974fi
6975if test "$debug_tcg" = "yes" ; then
6976  echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6977fi
6978if test "$strip_opt" = "yes" ; then
6979  echo "STRIP=${strip}" >> $config_host_mak
6980fi
6981if test "$bigendian" = "yes" ; then
6982  echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6983fi
6984if test "$mingw32" = "yes" ; then
6985  echo "CONFIG_WIN32=y" >> $config_host_mak
6986  rc_version=$(cat $source_path/VERSION)
6987  version_major=${rc_version%%.*}
6988  rc_version=${rc_version#*.}
6989  version_minor=${rc_version%%.*}
6990  rc_version=${rc_version#*.}
6991  version_subminor=${rc_version%%.*}
6992  version_micro=0
6993  echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6994  echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6995  if test "$guest_agent_with_vss" = "yes" ; then
6996    echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6997    echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6998    echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6999  fi
7000  if test "$guest_agent_ntddscsi" = "yes" ; then
7001    echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
7002  fi
7003  if test "$guest_agent_msi" = "yes"; then
7004    echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
7005    echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
7006    echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
7007    echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
7008    echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
7009    echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
7010    echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
7011  fi
7012else
7013  echo "CONFIG_POSIX=y" >> $config_host_mak
7014fi
7015
7016if test "$linux" = "yes" ; then
7017  echo "CONFIG_LINUX=y" >> $config_host_mak
7018fi
7019
7020if test "$darwin" = "yes" ; then
7021  echo "CONFIG_DARWIN=y" >> $config_host_mak
7022fi
7023
7024if test "$solaris" = "yes" ; then
7025  echo "CONFIG_SOLARIS=y" >> $config_host_mak
7026fi
7027if test "$haiku" = "yes" ; then
7028  echo "CONFIG_HAIKU=y" >> $config_host_mak
7029fi
7030if test "$static" = "yes" ; then
7031  echo "CONFIG_STATIC=y" >> $config_host_mak
7032fi
7033if test "$profiler" = "yes" ; then
7034  echo "CONFIG_PROFILER=y" >> $config_host_mak
7035fi
7036if test "$want_tools" = "yes" ; then
7037  echo "CONFIG_TOOLS=y" >> $config_host_mak
7038fi
7039if test "$slirp" != "no"; then
7040  echo "CONFIG_SLIRP=y" >> $config_host_mak
7041  echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
7042  echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
7043  echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
7044fi
7045if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
7046    echo "config-host.h: slirp/all" >> $config_host_mak
7047fi
7048if test "$vde" = "yes" ; then
7049  echo "CONFIG_VDE=y" >> $config_host_mak
7050  echo "VDE_LIBS=$vde_libs" >> $config_host_mak
7051fi
7052if test "$netmap" = "yes" ; then
7053  echo "CONFIG_NETMAP=y" >> $config_host_mak
7054fi
7055if test "$l2tpv3" = "yes" ; then
7056  echo "CONFIG_L2TPV3=y" >> $config_host_mak
7057fi
7058if test "$gprof" = "yes" ; then
7059  echo "CONFIG_GPROF=y" >> $config_host_mak
7060fi
7061if test "$cap_ng" = "yes" ; then
7062  echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
7063fi
7064echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
7065for drv in $audio_drv_list; do
7066    def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
7067    case "$drv" in
7068	alsa | oss | pa | sdl)
7069	    echo "$def=m" >> $config_host_mak ;;
7070	*)
7071	    echo "$def=y" >> $config_host_mak ;;
7072    esac
7073done
7074echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
7075echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
7076echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
7077echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
7078echo "OSS_LIBS=$oss_libs" >> $config_host_mak
7079echo "JACK_LIBS=$jack_libs" >> $config_host_mak
7080if test "$audio_win_int" = "yes" ; then
7081  echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
7082fi
7083echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
7084echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
7085if test "$vnc" = "yes" ; then
7086  echo "CONFIG_VNC=y" >> $config_host_mak
7087fi
7088if test "$vnc_sasl" = "yes" ; then
7089  echo "CONFIG_VNC_SASL=y" >> $config_host_mak
7090fi
7091if test "$vnc_jpeg" = "yes" ; then
7092  echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
7093fi
7094if test "$vnc_png" = "yes" ; then
7095  echo "CONFIG_VNC_PNG=y" >> $config_host_mak
7096fi
7097if test "$xkbcommon" = "yes" ; then
7098  echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
7099  echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
7100fi
7101if test "$xfs" = "yes" ; then
7102  echo "CONFIG_XFS=y" >> $config_host_mak
7103fi
7104qemu_version=$(head $source_path/VERSION)
7105echo "VERSION=$qemu_version" >>$config_host_mak
7106echo "PKGVERSION=$pkgversion" >>$config_host_mak
7107echo "SRC_PATH=$source_path" >> $config_host_mak
7108echo "TARGET_DIRS=$target_list" >> $config_host_mak
7109if [ "$docs" = "yes" ] ; then
7110  echo "BUILD_DOCS=yes" >> $config_host_mak
7111fi
7112if test "$modules" = "yes"; then
7113  # $shacmd can generate a hash started with digit, which the compiler doesn't
7114  # like as an symbol. So prefix it with an underscore
7115  echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
7116  echo "CONFIG_MODULES=y" >> $config_host_mak
7117fi
7118if test "$module_upgrades" = "yes"; then
7119  echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
7120fi
7121if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
7122  echo "CONFIG_X11=y" >> $config_host_mak
7123  echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
7124  echo "X11_LIBS=$x11_libs" >> $config_host_mak
7125fi
7126if test "$sdl" = "yes" ; then
7127  echo "CONFIG_SDL=m" >> $config_host_mak
7128  echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
7129  echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
7130  if test "$sdl_image" = "yes" ; then
7131      echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
7132  fi
7133fi
7134if test "$cocoa" = "yes" ; then
7135  echo "CONFIG_COCOA=y" >> $config_host_mak
7136fi
7137if test "$iconv" = "yes" ; then
7138  echo "CONFIG_ICONV=y" >> $config_host_mak
7139  echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
7140  echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
7141fi
7142if test "$curses" = "yes" ; then
7143  echo "CONFIG_CURSES=m" >> $config_host_mak
7144  echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
7145  echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
7146fi
7147if test "$pipe2" = "yes" ; then
7148  echo "CONFIG_PIPE2=y" >> $config_host_mak
7149fi
7150if test "$accept4" = "yes" ; then
7151  echo "CONFIG_ACCEPT4=y" >> $config_host_mak
7152fi
7153if test "$splice" = "yes" ; then
7154  echo "CONFIG_SPLICE=y" >> $config_host_mak
7155fi
7156if test "$eventfd" = "yes" ; then
7157  echo "CONFIG_EVENTFD=y" >> $config_host_mak
7158fi
7159if test "$memfd" = "yes" ; then
7160  echo "CONFIG_MEMFD=y" >> $config_host_mak
7161fi
7162if test "$have_usbfs" = "yes" ; then
7163  echo "CONFIG_USBFS=y" >> $config_host_mak
7164fi
7165if test "$fallocate" = "yes" ; then
7166  echo "CONFIG_FALLOCATE=y" >> $config_host_mak
7167fi
7168if test "$fallocate_punch_hole" = "yes" ; then
7169  echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
7170fi
7171if test "$fallocate_zero_range" = "yes" ; then
7172  echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
7173fi
7174if test "$posix_fallocate" = "yes" ; then
7175  echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
7176fi
7177if test "$sync_file_range" = "yes" ; then
7178  echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
7179fi
7180if test "$fiemap" = "yes" ; then
7181  echo "CONFIG_FIEMAP=y" >> $config_host_mak
7182fi
7183if test "$dup3" = "yes" ; then
7184  echo "CONFIG_DUP3=y" >> $config_host_mak
7185fi
7186if test "$ppoll" = "yes" ; then
7187  echo "CONFIG_PPOLL=y" >> $config_host_mak
7188fi
7189if test "$prctl_pr_set_timerslack" = "yes" ; then
7190  echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
7191fi
7192if test "$epoll" = "yes" ; then
7193  echo "CONFIG_EPOLL=y" >> $config_host_mak
7194fi
7195if test "$epoll_create1" = "yes" ; then
7196  echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
7197fi
7198if test "$sendfile" = "yes" ; then
7199  echo "CONFIG_SENDFILE=y" >> $config_host_mak
7200fi
7201if test "$timerfd" = "yes" ; then
7202  echo "CONFIG_TIMERFD=y" >> $config_host_mak
7203fi
7204if test "$setns" = "yes" ; then
7205  echo "CONFIG_SETNS=y" >> $config_host_mak
7206fi
7207if test "$clock_adjtime" = "yes" ; then
7208  echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
7209fi
7210if test "$syncfs" = "yes" ; then
7211  echo "CONFIG_SYNCFS=y" >> $config_host_mak
7212fi
7213if test "$kcov" = "yes" ; then
7214  echo "CONFIG_KCOV=y" >> $config_host_mak
7215fi
7216if test "$inotify" = "yes" ; then
7217  echo "CONFIG_INOTIFY=y" >> $config_host_mak
7218fi
7219if test "$inotify1" = "yes" ; then
7220  echo "CONFIG_INOTIFY1=y" >> $config_host_mak
7221fi
7222if test "$sem_timedwait" = "yes" ; then
7223  echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
7224fi
7225if test "$strchrnul" = "yes" ; then
7226  echo "HAVE_STRCHRNUL=y" >> $config_host_mak
7227fi
7228if test "$st_atim" = "yes" ; then
7229  echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
7230fi
7231if test "$byteswap_h" = "yes" ; then
7232  echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
7233fi
7234if test "$bswap_h" = "yes" ; then
7235  echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
7236fi
7237if test "$curl" = "yes" ; then
7238  echo "CONFIG_CURL=m" >> $config_host_mak
7239  echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
7240  echo "CURL_LIBS=$curl_libs" >> $config_host_mak
7241fi
7242if test "$brlapi" = "yes" ; then
7243  echo "CONFIG_BRLAPI=y" >> $config_host_mak
7244  echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
7245fi
7246if test "$gtk" = "yes" ; then
7247  echo "CONFIG_GTK=m" >> $config_host_mak
7248  echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
7249  echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
7250  if test "$gtk_gl" = "yes" ; then
7251    echo "CONFIG_GTK_GL=y" >> $config_host_mak
7252  fi
7253fi
7254if test "$gio" = "yes" ; then
7255    echo "CONFIG_GIO=y" >> $config_host_mak
7256    echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
7257    echo "GIO_LIBS=$gio_libs" >> $config_host_mak
7258    echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
7259fi
7260echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
7261if test "$gnutls" = "yes" ; then
7262  echo "CONFIG_GNUTLS=y" >> $config_host_mak
7263fi
7264if test "$gcrypt" = "yes" ; then
7265  echo "CONFIG_GCRYPT=y" >> $config_host_mak
7266  if test "$gcrypt_hmac" = "yes" ; then
7267    echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
7268  fi
7269fi
7270if test "$nettle" = "yes" ; then
7271  echo "CONFIG_NETTLE=y" >> $config_host_mak
7272  echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
7273fi
7274if test "$qemu_private_xts" = "yes" ; then
7275  echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
7276fi
7277if test "$tasn1" = "yes" ; then
7278  echo "CONFIG_TASN1=y" >> $config_host_mak
7279fi
7280if test "$auth_pam" = "yes" ; then
7281    echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
7282fi
7283if test "$have_ifaddrs_h" = "yes" ; then
7284    echo "HAVE_IFADDRS_H=y" >> $config_host_mak
7285fi
7286if test "$have_broken_size_max" = "yes" ; then
7287    echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
7288fi
7289
7290# Work around a system header bug with some kernel/XFS header
7291# versions where they both try to define 'struct fsxattr':
7292# xfs headers will not try to redefine structs from linux headers
7293# if this macro is set.
7294if test "$have_fsxattr" = "yes" ; then
7295    echo "HAVE_FSXATTR=y" >> $config_host_mak
7296fi
7297if test "$have_copy_file_range" = "yes" ; then
7298    echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7299fi
7300if test "$vte" = "yes" ; then
7301  echo "CONFIG_VTE=y" >> $config_host_mak
7302  echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7303  echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7304fi
7305if test "$virglrenderer" = "yes" ; then
7306  echo "CONFIG_VIRGL=y" >> $config_host_mak
7307  echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7308  echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7309fi
7310if test "$xen" = "yes" ; then
7311  echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7312  echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7313fi
7314if test "$linux_aio" = "yes" ; then
7315  echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7316fi
7317if test "$linux_io_uring" = "yes" ; then
7318  echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7319  echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7320  echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7321fi
7322if test "$attr" = "yes" ; then
7323  echo "CONFIG_ATTR=y" >> $config_host_mak
7324fi
7325if test "$libattr" = "yes" ; then
7326  echo "CONFIG_LIBATTR=y" >> $config_host_mak
7327fi
7328if test "$virtfs" = "yes" ; then
7329  echo "CONFIG_VIRTFS=y" >> $config_host_mak
7330fi
7331if test "$mpath" = "yes" ; then
7332  echo "CONFIG_MPATH=y" >> $config_host_mak
7333  if test "$mpathpersist_new_api" = "yes"; then
7334    echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7335  fi
7336fi
7337if test "$vhost_scsi" = "yes" ; then
7338  echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7339fi
7340if test "$vhost_net" = "yes" ; then
7341  echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7342fi
7343if test "$vhost_net_user" = "yes" ; then
7344  echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7345fi
7346if test "$vhost_crypto" = "yes" ; then
7347  echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7348fi
7349if test "$vhost_vsock" = "yes" ; then
7350  echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7351  if test "$vhost_user" = "yes" ; then
7352    echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
7353  fi
7354fi
7355if test "$vhost_kernel" = "yes" ; then
7356  echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7357fi
7358if test "$vhost_user" = "yes" ; then
7359  echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7360fi
7361if test "$vhost_user_fs" = "yes" ; then
7362  echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7363fi
7364if test "$blobs" = "yes" ; then
7365  echo "INSTALL_BLOBS=yes" >> $config_host_mak
7366fi
7367if test "$iovec" = "yes" ; then
7368  echo "CONFIG_IOVEC=y" >> $config_host_mak
7369fi
7370if test "$preadv" = "yes" ; then
7371  echo "CONFIG_PREADV=y" >> $config_host_mak
7372fi
7373if test "$fdt" != "no" ; then
7374  echo "CONFIG_FDT=y" >> $config_host_mak
7375fi
7376if test "$membarrier" = "yes" ; then
7377  echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7378fi
7379if test "$signalfd" = "yes" ; then
7380  echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7381fi
7382if test "$optreset" = "yes" ; then
7383  echo "HAVE_OPTRESET=y" >> $config_host_mak
7384fi
7385if test "$tcg" = "yes"; then
7386  echo "CONFIG_TCG=y" >> $config_host_mak
7387  if test "$tcg_interpreter" = "yes" ; then
7388    echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7389  fi
7390fi
7391if test "$fdatasync" = "yes" ; then
7392  echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7393fi
7394if test "$madvise" = "yes" ; then
7395  echo "CONFIG_MADVISE=y" >> $config_host_mak
7396fi
7397if test "$posix_madvise" = "yes" ; then
7398  echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7399fi
7400if test "$posix_memalign" = "yes" ; then
7401  echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7402fi
7403
7404if test "$spice" = "yes" ; then
7405  echo "CONFIG_SPICE=y" >> $config_host_mak
7406fi
7407
7408if test "$smartcard" = "yes" ; then
7409  echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7410  echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7411  echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7412fi
7413
7414if test "$libusb" = "yes" ; then
7415  echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7416  echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7417  echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7418fi
7419
7420if test "$usb_redir" = "yes" ; then
7421  echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7422  echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7423  echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7424fi
7425
7426if test "$opengl" = "yes" ; then
7427  echo "CONFIG_OPENGL=y" >> $config_host_mak
7428  echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7429  if test "$opengl_dmabuf" = "yes" ; then
7430    echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7431  fi
7432fi
7433
7434if test "$gbm" = "yes" ; then
7435    echo "CONFIG_GBM=y" >> $config_host_mak
7436    echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7437    echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7438fi
7439
7440
7441if test "$malloc_trim" = "yes" ; then
7442  echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7443fi
7444
7445if test "$avx2_opt" = "yes" ; then
7446  echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7447fi
7448
7449if test "$avx512f_opt" = "yes" ; then
7450  echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
7451fi
7452
7453if test "$lzo" = "yes" ; then
7454  echo "CONFIG_LZO=y" >> $config_host_mak
7455fi
7456
7457if test "$snappy" = "yes" ; then
7458  echo "CONFIG_SNAPPY=y" >> $config_host_mak
7459fi
7460
7461if test "$bzip2" = "yes" ; then
7462  echo "CONFIG_BZIP2=y" >> $config_host_mak
7463  echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7464fi
7465
7466if test "$lzfse" = "yes" ; then
7467  echo "CONFIG_LZFSE=y" >> $config_host_mak
7468  echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7469fi
7470
7471if test "$zstd" = "yes" ; then
7472  echo "CONFIG_ZSTD=y" >> $config_host_mak
7473fi
7474
7475if test "$libiscsi" = "yes" ; then
7476  echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7477  echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7478  echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7479fi
7480
7481if test "$libnfs" = "yes" ; then
7482  echo "CONFIG_LIBNFS=m" >> $config_host_mak
7483  echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7484fi
7485
7486if test "$seccomp" = "yes"; then
7487  echo "CONFIG_SECCOMP=y" >> $config_host_mak
7488  echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7489  echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7490fi
7491
7492# XXX: suppress that
7493if [ "$bsd" = "yes" ] ; then
7494  echo "CONFIG_BSD=y" >> $config_host_mak
7495fi
7496
7497if test "$localtime_r" = "yes" ; then
7498  echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7499fi
7500if test "$qom_cast_debug" = "yes" ; then
7501  echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7502fi
7503if test "$rbd" = "yes" ; then
7504  echo "CONFIG_RBD=m" >> $config_host_mak
7505  echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
7506  echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7507fi
7508
7509echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7510if test "$coroutine_pool" = "yes" ; then
7511  echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7512else
7513  echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7514fi
7515
7516if test "$debug_stack_usage" = "yes" ; then
7517  echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7518fi
7519
7520if test "$crypto_afalg" = "yes" ; then
7521  echo "CONFIG_AF_ALG=y" >> $config_host_mak
7522fi
7523
7524if test "$open_by_handle_at" = "yes" ; then
7525  echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7526fi
7527
7528if test "$linux_magic_h" = "yes" ; then
7529  echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7530fi
7531
7532if test "$pragma_diagnostic_available" = "yes" ; then
7533  echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
7534fi
7535
7536if test "$valgrind_h" = "yes" ; then
7537  echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7538fi
7539
7540if test "$have_asan_iface_fiber" = "yes" ; then
7541    echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7542fi
7543
7544if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
7545    echo "CONFIG_TSAN=y" >> $config_host_mak
7546fi
7547
7548if test "$has_environ" = "yes" ; then
7549  echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7550fi
7551
7552if test "$cpuid_h" = "yes" ; then
7553  echo "CONFIG_CPUID_H=y" >> $config_host_mak
7554fi
7555
7556if test "$int128" = "yes" ; then
7557  echo "CONFIG_INT128=y" >> $config_host_mak
7558fi
7559
7560if test "$atomic128" = "yes" ; then
7561  echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7562fi
7563
7564if test "$cmpxchg128" = "yes" ; then
7565  echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7566fi
7567
7568if test "$atomic64" = "yes" ; then
7569  echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7570fi
7571
7572if test "$attralias" = "yes" ; then
7573  echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7574fi
7575
7576if test "$getauxval" = "yes" ; then
7577  echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7578fi
7579
7580if test "$glusterfs" = "yes" ; then
7581  echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7582  echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7583  echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7584fi
7585
7586if test "$glusterfs_xlator_opt" = "yes" ; then
7587  echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7588fi
7589
7590if test "$glusterfs_discard" = "yes" ; then
7591  echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7592fi
7593
7594if test "$glusterfs_fallocate" = "yes" ; then
7595  echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7596fi
7597
7598if test "$glusterfs_zerofill" = "yes" ; then
7599  echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7600fi
7601
7602if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7603  echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7604fi
7605
7606if test "$glusterfs_iocb_has_stat" = "yes" ; then
7607  echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7608fi
7609
7610if test "$libssh" = "yes" ; then
7611  echo "CONFIG_LIBSSH=m" >> $config_host_mak
7612  echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7613  echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7614fi
7615
7616if test "$live_block_migration" = "yes" ; then
7617  echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7618fi
7619
7620if test "$tpm" = "yes"; then
7621  echo 'CONFIG_TPM=y' >> $config_host_mak
7622fi
7623
7624echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7625if have_backend "nop"; then
7626  echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7627fi
7628if have_backend "simple"; then
7629  echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7630  # Set the appropriate trace file.
7631  trace_file="\"$trace_file-\" FMT_pid"
7632fi
7633if have_backend "log"; then
7634  echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7635fi
7636if have_backend "ust"; then
7637  echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7638fi
7639if have_backend "dtrace"; then
7640  echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7641  if test "$trace_backend_stap" = "yes" ; then
7642    echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7643  fi
7644fi
7645if have_backend "ftrace"; then
7646  if test "$linux" = "yes" ; then
7647    echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7648  else
7649    feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7650  fi
7651fi
7652if have_backend "syslog"; then
7653  if test "$posix_syslog" = "yes" ; then
7654    echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7655  else
7656    feature_not_found "syslog(trace backend)" "syslog not available"
7657  fi
7658fi
7659echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7660
7661if test "$rdma" = "yes" ; then
7662  echo "CONFIG_RDMA=y" >> $config_host_mak
7663  echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7664fi
7665
7666if test "$pvrdma" = "yes" ; then
7667  echo "CONFIG_PVRDMA=y" >> $config_host_mak
7668fi
7669
7670if test "$have_rtnetlink" = "yes" ; then
7671  echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7672fi
7673
7674if test "$libxml2" = "yes" ; then
7675  echo "CONFIG_LIBXML2=y" >> $config_host_mak
7676  echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7677  echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7678fi
7679
7680if test "$replication" = "yes" ; then
7681  echo "CONFIG_REPLICATION=y" >> $config_host_mak
7682fi
7683
7684if test "$have_af_vsock" = "yes" ; then
7685  echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7686fi
7687
7688if test "$have_sysmacros" = "yes" ; then
7689  echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7690fi
7691
7692if test "$have_static_assert" = "yes" ; then
7693  echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7694fi
7695
7696if test "$have_utmpx" = "yes" ; then
7697  echo "HAVE_UTMPX=y" >> $config_host_mak
7698fi
7699if test "$have_getrandom" = "yes" ; then
7700  echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7701fi
7702if test "$ivshmem" = "yes" ; then
7703  echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7704fi
7705if test "$capstone" != "no" ; then
7706  echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7707fi
7708if test "$debug_mutex" = "yes" ; then
7709  echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7710fi
7711
7712# Hold two types of flag:
7713#   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7714#                                     a thread we have a handle to
7715#   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7716#                                     platform
7717if test "$pthread_setname_np_w_tid" = "yes" ; then
7718  echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7719  echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7720elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7721  echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7722  echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7723fi
7724
7725if test "$vxhs" = "yes" ; then
7726  echo "CONFIG_VXHS=y" >> $config_host_mak
7727  echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
7728fi
7729
7730if test "$libpmem" = "yes" ; then
7731  echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7732fi
7733
7734if test "$bochs" = "yes" ; then
7735  echo "CONFIG_BOCHS=y" >> $config_host_mak
7736fi
7737if test "$cloop" = "yes" ; then
7738  echo "CONFIG_CLOOP=y" >> $config_host_mak
7739fi
7740if test "$dmg" = "yes" ; then
7741  echo "CONFIG_DMG=y" >> $config_host_mak
7742fi
7743if test "$qcow1" = "yes" ; then
7744  echo "CONFIG_QCOW1=y" >> $config_host_mak
7745fi
7746if test "$vdi" = "yes" ; then
7747  echo "CONFIG_VDI=y" >> $config_host_mak
7748fi
7749if test "$vvfat" = "yes" ; then
7750  echo "CONFIG_VVFAT=y" >> $config_host_mak
7751fi
7752if test "$qed" = "yes" ; then
7753  echo "CONFIG_QED=y" >> $config_host_mak
7754fi
7755if test "$parallels" = "yes" ; then
7756  echo "CONFIG_PARALLELS=y" >> $config_host_mak
7757fi
7758if test "$sheepdog" = "yes" ; then
7759  echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7760fi
7761if test "$fuzzing" = "yes" ; then
7762  if test "$have_fuzzer" = "yes"; then
7763    FUZZ_LDFLAGS=" -fsanitize=address,fuzzer"
7764    FUZZ_CFLAGS=" -fsanitize=address,fuzzer"
7765    CFLAGS=" -fsanitize=address,fuzzer-no-link"
7766  else
7767    error_exit "Your compiler doesn't support -fsanitize=address,fuzzer"
7768    exit 1
7769  fi
7770fi
7771
7772if test "$plugins" = "yes" ; then
7773    echo "CONFIG_PLUGIN=y" >> $config_host_mak
7774    LIBS="-ldl $LIBS"
7775    # Copy the export object list to the build dir
7776    if test "$ld_dynamic_list" = "yes" ; then
7777	echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7778	ld_symbols=qemu-plugins-ld.symbols
7779	cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7780    elif test "$ld_exported_symbols_list" = "yes" ; then
7781	echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7782	ld64_symbols=qemu-plugins-ld64.symbols
7783	echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7784	grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7785	    sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7786    else
7787	error_exit \
7788	    "If \$plugins=yes, either \$ld_dynamic_list or " \
7789	    "\$ld_exported_symbols_list should have been set to 'yes'."
7790    fi
7791fi
7792
7793if test -n "$gdb_bin" ; then
7794    echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7795fi
7796
7797if test "$secret_keyring" = "yes" ; then
7798  echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7799  if test "$have_keyutils" = "yes" ; then
7800    echo "CONFIG_TEST_SECRET_KEYRING=y" >> $config_host_mak
7801  fi
7802fi
7803
7804if test "$tcg_interpreter" = "yes"; then
7805  QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
7806elif test "$ARCH" = "sparc64" ; then
7807  QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
7808elif test "$ARCH" = "s390x" ; then
7809  QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
7810elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7811  QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
7812elif test "$ARCH" = "ppc64" ; then
7813  QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
7814elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7815  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
7816else
7817  QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
7818fi
7819
7820echo "HELPERS=$helpers" >> $config_host_mak
7821echo "TOOLS=$tools" >> $config_host_mak
7822echo "ROMS=$roms" >> $config_host_mak
7823echo "MAKE=$make" >> $config_host_mak
7824echo "INSTALL=$install" >> $config_host_mak
7825echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7826echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7827echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7828echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7829echo "PYTHON=$python" >> $config_host_mak
7830echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7831echo "SPHINX_WERROR=$sphinx_werror" >> $config_host_mak
7832echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7833echo "CC=$cc" >> $config_host_mak
7834if $iasl -h > /dev/null 2>&1; then
7835  echo "IASL=$iasl" >> $config_host_mak
7836fi
7837echo "HOST_CC=$host_cc" >> $config_host_mak
7838echo "CXX=$cxx" >> $config_host_mak
7839echo "OBJCC=$objcc" >> $config_host_mak
7840echo "AR=$ar" >> $config_host_mak
7841echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7842echo "AS=$as" >> $config_host_mak
7843echo "CCAS=$ccas" >> $config_host_mak
7844echo "CPP=$cpp" >> $config_host_mak
7845echo "OBJCOPY=$objcopy" >> $config_host_mak
7846echo "LD=$ld" >> $config_host_mak
7847echo "RANLIB=$ranlib" >> $config_host_mak
7848echo "NM=$nm" >> $config_host_mak
7849echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7850echo "WINDRES=$windres" >> $config_host_mak
7851echo "CFLAGS=$CFLAGS" >> $config_host_mak
7852echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7853echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7854echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7855echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7856if test "$sparse" = "yes" ; then
7857  echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7858  echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7859  echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7860  echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7861  echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7862fi
7863echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7864echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7865echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7866echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7867echo "LIBS+=$LIBS" >> $config_host_mak
7868echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7869echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7870echo "EXESUF=$EXESUF" >> $config_host_mak
7871echo "DSOSUF=$DSOSUF" >> $config_host_mak
7872echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7873echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7874echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7875echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7876echo "POD2MAN=$POD2MAN" >> $config_host_mak
7877if test "$gcov" = "yes" ; then
7878  echo "CONFIG_GCOV=y" >> $config_host_mak
7879  echo "GCOV=$gcov_tool" >> $config_host_mak
7880fi
7881
7882if test "$libudev" != "no"; then
7883    echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7884    echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7885fi
7886if test "$fuzzing" != "no"; then
7887    echo "CONFIG_FUZZ=y" >> $config_host_mak
7888    echo "FUZZ_CFLAGS=$FUZZ_CFLAGS" >> $config_host_mak
7889    echo "FUZZ_LDFLAGS=$FUZZ_LDFLAGS" >> $config_host_mak
7890fi
7891
7892if test "$edk2_blobs" = "yes" ; then
7893  echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7894fi
7895
7896if test "$rng_none" = "yes"; then
7897  echo "CONFIG_RNG_NONE=y" >> $config_host_mak
7898fi
7899
7900# use included Linux headers
7901if test "$linux" = "yes" ; then
7902  mkdir -p linux-headers
7903  case "$cpu" in
7904  i386|x86_64|x32)
7905    linux_arch=x86
7906    ;;
7907  ppc|ppc64|ppc64le)
7908    linux_arch=powerpc
7909    ;;
7910  s390x)
7911    linux_arch=s390
7912    ;;
7913  aarch64)
7914    linux_arch=arm64
7915    ;;
7916  mips64)
7917    linux_arch=mips
7918    ;;
7919  *)
7920    # For most CPUs the kernel architecture name and QEMU CPU name match.
7921    linux_arch="$cpu"
7922    ;;
7923  esac
7924    # For non-KVM architectures we will not have asm headers
7925    if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7926      symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7927    fi
7928fi
7929
7930for target in $target_list; do
7931target_dir="$target"
7932config_target_mak=$target_dir/config-target.mak
7933target_name=$(echo $target | cut -d '-' -f 1)
7934target_aligned_only="no"
7935case "$target_name" in
7936  alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7937  target_aligned_only="yes"
7938  ;;
7939esac
7940target_bigendian="no"
7941case "$target_name" in
7942  armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7943  target_bigendian="yes"
7944  ;;
7945esac
7946target_softmmu="no"
7947target_user_only="no"
7948target_linux_user="no"
7949target_bsd_user="no"
7950case "$target" in
7951  ${target_name}-softmmu)
7952    target_softmmu="yes"
7953    ;;
7954  ${target_name}-linux-user)
7955    target_user_only="yes"
7956    target_linux_user="yes"
7957    ;;
7958  ${target_name}-bsd-user)
7959    target_user_only="yes"
7960    target_bsd_user="yes"
7961    ;;
7962  *)
7963    error_exit "Target '$target' not recognised"
7964    exit 1
7965    ;;
7966esac
7967
7968mkdir -p $target_dir
7969echo "# Automatically generated by configure - do not modify" > $config_target_mak
7970
7971bflt="no"
7972mttcg="no"
7973interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7974gdb_xml_files=""
7975
7976TARGET_ARCH="$target_name"
7977TARGET_BASE_ARCH=""
7978TARGET_ABI_DIR=""
7979
7980case "$target_name" in
7981  i386)
7982    mttcg="yes"
7983	gdb_xml_files="i386-32bit.xml"
7984    TARGET_SYSTBL_ABI=i386
7985  ;;
7986  x86_64)
7987    TARGET_BASE_ARCH=i386
7988    TARGET_SYSTBL_ABI=common,64
7989    mttcg="yes"
7990	gdb_xml_files="i386-64bit.xml"
7991  ;;
7992  alpha)
7993    mttcg="yes"
7994    TARGET_SYSTBL_ABI=common
7995  ;;
7996  arm|armeb)
7997    TARGET_ARCH=arm
7998    TARGET_SYSTBL_ABI=common,oabi
7999    bflt="yes"
8000    mttcg="yes"
8001    gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
8002  ;;
8003  aarch64|aarch64_be)
8004    TARGET_ARCH=aarch64
8005    TARGET_BASE_ARCH=arm
8006    bflt="yes"
8007    mttcg="yes"
8008    gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
8009  ;;
8010  cris)
8011  ;;
8012  hppa)
8013    mttcg="yes"
8014    TARGET_SYSTBL_ABI=common,32
8015  ;;
8016  lm32)
8017  ;;
8018  m68k)
8019    bflt="yes"
8020    gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
8021    TARGET_SYSTBL_ABI=common
8022  ;;
8023  microblaze|microblazeel)
8024    TARGET_ARCH=microblaze
8025    TARGET_SYSTBL_ABI=common
8026    bflt="yes"
8027    echo "TARGET_ABI32=y" >> $config_target_mak
8028  ;;
8029  mips|mipsel)
8030    mttcg="yes"
8031    TARGET_ARCH=mips
8032    echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
8033    TARGET_SYSTBL_ABI=o32
8034  ;;
8035  mipsn32|mipsn32el)
8036    mttcg="yes"
8037    TARGET_ARCH=mips64
8038    TARGET_BASE_ARCH=mips
8039    echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
8040    echo "TARGET_ABI32=y" >> $config_target_mak
8041    TARGET_SYSTBL_ABI=n32
8042  ;;
8043  mips64|mips64el)
8044    mttcg="no"
8045    TARGET_ARCH=mips64
8046    TARGET_BASE_ARCH=mips
8047    echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
8048    TARGET_SYSTBL_ABI=n64
8049  ;;
8050  moxie)
8051  ;;
8052  nios2)
8053  ;;
8054  or1k)
8055    TARGET_ARCH=openrisc
8056    TARGET_BASE_ARCH=openrisc
8057  ;;
8058  ppc)
8059    gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
8060    TARGET_SYSTBL_ABI=common,nospu,32
8061  ;;
8062  ppc64)
8063    TARGET_BASE_ARCH=ppc
8064    TARGET_ABI_DIR=ppc
8065    TARGET_SYSTBL_ABI=common,nospu,64
8066    mttcg=yes
8067    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8068  ;;
8069  ppc64le)
8070    TARGET_ARCH=ppc64
8071    TARGET_BASE_ARCH=ppc
8072    TARGET_ABI_DIR=ppc
8073    TARGET_SYSTBL_ABI=common,nospu,64
8074    mttcg=yes
8075    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8076  ;;
8077  ppc64abi32)
8078    TARGET_ARCH=ppc64
8079    TARGET_BASE_ARCH=ppc
8080    TARGET_ABI_DIR=ppc
8081    TARGET_SYSTBL_ABI=common,nospu,32
8082    echo "TARGET_ABI32=y" >> $config_target_mak
8083    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8084  ;;
8085  riscv32)
8086    TARGET_BASE_ARCH=riscv
8087    TARGET_ABI_DIR=riscv
8088    mttcg=yes
8089    gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
8090  ;;
8091  riscv64)
8092    TARGET_BASE_ARCH=riscv
8093    TARGET_ABI_DIR=riscv
8094    mttcg=yes
8095    gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
8096  ;;
8097  rx)
8098    TARGET_ARCH=rx
8099    bflt="yes"
8100    target_compiler=$cross_cc_rx
8101    gdb_xml_files="rx-core.xml"
8102  ;;
8103  sh4|sh4eb)
8104    TARGET_ARCH=sh4
8105    TARGET_SYSTBL_ABI=common
8106    bflt="yes"
8107  ;;
8108  sparc)
8109    TARGET_SYSTBL_ABI=common,32
8110  ;;
8111  sparc64)
8112    TARGET_BASE_ARCH=sparc
8113    TARGET_SYSTBL_ABI=common,64
8114  ;;
8115  sparc32plus)
8116    TARGET_ARCH=sparc64
8117    TARGET_BASE_ARCH=sparc
8118    TARGET_ABI_DIR=sparc
8119    TARGET_SYSTBL_ABI=common,32
8120    echo "TARGET_ABI32=y" >> $config_target_mak
8121  ;;
8122  s390x)
8123    TARGET_SYSTBL_ABI=common,64
8124    mttcg=yes
8125    gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
8126  ;;
8127  tilegx)
8128  ;;
8129  tricore)
8130  ;;
8131  unicore32)
8132  ;;
8133  xtensa|xtensaeb)
8134    TARGET_ARCH=xtensa
8135    TARGET_SYSTBL_ABI=common
8136    bflt="yes"
8137    mttcg="yes"
8138  ;;
8139  *)
8140    error_exit "Unsupported target CPU"
8141  ;;
8142esac
8143# TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
8144if [ "$TARGET_BASE_ARCH" = "" ]; then
8145  TARGET_BASE_ARCH=$TARGET_ARCH
8146fi
8147
8148symlink "$source_path/Makefile.target" "$target_dir/Makefile"
8149
8150upper() {
8151    echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
8152}
8153
8154target_arch_name="$(upper $TARGET_ARCH)"
8155echo "TARGET_$target_arch_name=y" >> $config_target_mak
8156echo "TARGET_NAME=$target_name" >> $config_target_mak
8157echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
8158if [ "$TARGET_ABI_DIR" = "" ]; then
8159  TARGET_ABI_DIR=$TARGET_ARCH
8160fi
8161echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
8162if [ "$HOST_VARIANT_DIR" != "" ]; then
8163    echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
8164fi
8165if [ "$TARGET_SYSTBL_ABI" != "" ]; then
8166    echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
8167fi
8168
8169if supported_xen_target $target; then
8170    echo "CONFIG_XEN=y" >> $config_target_mak
8171    echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
8172    if test "$xen_pci_passthrough" = yes; then
8173        echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
8174    fi
8175else
8176    echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
8177fi
8178if supported_kvm_target $target; then
8179    echo "CONFIG_KVM=y" >> $config_target_mak
8180    echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
8181else
8182    echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
8183fi
8184if supported_hax_target $target; then
8185    echo "CONFIG_HAX=y" >> $config_target_mak
8186fi
8187if supported_hvf_target $target; then
8188    echo "CONFIG_HVF=y" >> $config_target_mak
8189fi
8190if supported_whpx_target $target; then
8191    echo "CONFIG_WHPX=y" >> $config_target_mak
8192fi
8193if test "$target_aligned_only" = "yes" ; then
8194  echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
8195fi
8196if test "$target_bigendian" = "yes" ; then
8197  echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
8198fi
8199if test "$target_softmmu" = "yes" ; then
8200  echo "CONFIG_SOFTMMU=y" >> $config_target_mak
8201  if test "$mttcg" = "yes" ; then
8202    echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
8203  fi
8204fi
8205if test "$target_user_only" = "yes" ; then
8206  echo "CONFIG_USER_ONLY=y" >> $config_target_mak
8207  echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
8208fi
8209if test "$target_linux_user" = "yes" ; then
8210  echo "CONFIG_LINUX_USER=y" >> $config_target_mak
8211fi
8212list=""
8213if test ! -z "$gdb_xml_files" ; then
8214  for x in $gdb_xml_files; do
8215    list="$list $source_path/gdb-xml/$x"
8216  done
8217  echo "TARGET_XML_FILES=$list" >> $config_target_mak
8218fi
8219
8220if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
8221  echo "TARGET_HAS_BFLT=y" >> $config_target_mak
8222fi
8223if test "$target_bsd_user" = "yes" ; then
8224  echo "CONFIG_BSD_USER=y" >> $config_target_mak
8225fi
8226
8227
8228# generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
8229
8230cflags=""
8231ldflags=""
8232
8233disas_config() {
8234  echo "CONFIG_${1}_DIS=y" >> $config_target_mak
8235  echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
8236}
8237
8238for i in $ARCH $TARGET_BASE_ARCH ; do
8239  case "$i" in
8240  alpha)
8241    disas_config "ALPHA"
8242  ;;
8243  aarch64)
8244    if test -n "${cxx}"; then
8245      disas_config "ARM_A64"
8246    fi
8247  ;;
8248  arm)
8249    disas_config "ARM"
8250    if test -n "${cxx}"; then
8251      disas_config "ARM_A64"
8252    fi
8253  ;;
8254  cris)
8255    disas_config "CRIS"
8256  ;;
8257  hppa)
8258    disas_config "HPPA"
8259  ;;
8260  i386|x86_64|x32)
8261    disas_config "I386"
8262  ;;
8263  lm32)
8264    disas_config "LM32"
8265  ;;
8266  m68k)
8267    disas_config "M68K"
8268  ;;
8269  microblaze*)
8270    disas_config "MICROBLAZE"
8271  ;;
8272  mips*)
8273    disas_config "MIPS"
8274    if test -n "${cxx}"; then
8275      disas_config "NANOMIPS"
8276    fi
8277  ;;
8278  moxie*)
8279    disas_config "MOXIE"
8280  ;;
8281  nios2)
8282    disas_config "NIOS2"
8283  ;;
8284  or1k)
8285    disas_config "OPENRISC"
8286  ;;
8287  ppc*)
8288    disas_config "PPC"
8289  ;;
8290  riscv*)
8291    disas_config "RISCV"
8292  ;;
8293  rx)
8294    disas_config "RX"
8295  ;;
8296  s390*)
8297    disas_config "S390"
8298  ;;
8299  sh4)
8300    disas_config "SH4"
8301  ;;
8302  sparc*)
8303    disas_config "SPARC"
8304  ;;
8305  xtensa*)
8306    disas_config "XTENSA"
8307  ;;
8308  esac
8309done
8310if test "$tcg_interpreter" = "yes" ; then
8311  disas_config "TCI"
8312fi
8313
8314case "$ARCH" in
8315alpha)
8316  # Ensure there's only a single GP
8317  cflags="-msmall-data $cflags"
8318;;
8319esac
8320
8321if test "$gprof" = "yes" ; then
8322  if test "$target_linux_user" = "yes" ; then
8323    cflags="-p $cflags"
8324    ldflags="-p $ldflags"
8325  fi
8326  if test "$target_softmmu" = "yes" ; then
8327    ldflags="-p $ldflags"
8328    echo "GPROF_CFLAGS=-p" >> $config_target_mak
8329  fi
8330fi
8331
8332# Newer kernels on s390 check for an S390_PGSTE program header and
8333# enable the pgste page table extensions in that case. This makes
8334# the vm.allocate_pgste sysctl unnecessary. We enable this program
8335# header if
8336#  - we build on s390x
8337#  - we build the system emulation for s390x (qemu-system-s390x)
8338#  - KVM is enabled
8339#  - the linker supports --s390-pgste
8340if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
8341        test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
8342    if ld_has --s390-pgste ; then
8343        ldflags="-Wl,--s390-pgste $ldflags"
8344    fi
8345fi
8346
8347echo "QEMU_LDFLAGS+=$ldflags" >> $config_target_mak
8348echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
8349
8350done # for target in $targets
8351
8352echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
8353echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
8354
8355if [ "$fdt" = "git" ]; then
8356  echo "config-host.h: dtc/all" >> $config_host_mak
8357fi
8358if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8359  echo "config-host.h: capstone/all" >> $config_host_mak
8360fi
8361if test -n "$LIBCAPSTONE"; then
8362  echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8363fi
8364
8365if test "$numa" = "yes"; then
8366  echo "CONFIG_NUMA=y" >> $config_host_mak
8367fi
8368
8369if test "$ccache_cpp2" = "yes"; then
8370  echo "export CCACHE_CPP2=y" >> $config_host_mak
8371fi
8372
8373# If we're using a separate build tree, set it up now.
8374# DIRS are directories which we simply mkdir in the build tree;
8375# LINKS are things to symlink back into the source tree
8376# (these can be both files and directories).
8377# Caution: do not add files or directories here using wildcards. This
8378# will result in problems later if a new file matching the wildcard is
8379# added to the source tree -- nothing will cause configure to be rerun
8380# so the build tree will be missing the link back to the new file, and
8381# tests might fail. Prefer to keep the relevant files in their own
8382# directory and symlink the directory instead.
8383DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8384DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8385DIRS="$DIRS docs docs/interop fsdev scsi"
8386DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8387DIRS="$DIRS roms/seabios roms/vgabios"
8388LINKS="Makefile"
8389LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
8390LINKS="$LINKS tests/tcg/Makefile.target tests/fp/Makefile"
8391LINKS="$LINKS tests/plugin/Makefile"
8392LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
8393LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8394LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
8395LINKS="$LINKS pc-bios/qemu-icon.bmp"
8396LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8397LINKS="$LINKS tests/acceptance tests/data"
8398LINKS="$LINKS tests/qemu-iotests/check"
8399LINKS="$LINKS python"
8400for bios_file in \
8401    $source_path/pc-bios/*.bin \
8402    $source_path/pc-bios/*.lid \
8403    $source_path/pc-bios/*.rom \
8404    $source_path/pc-bios/*.dtb \
8405    $source_path/pc-bios/*.img \
8406    $source_path/pc-bios/openbios-* \
8407    $source_path/pc-bios/u-boot.* \
8408    $source_path/pc-bios/edk2-*.fd.bz2 \
8409    $source_path/pc-bios/palcode-*
8410do
8411    LINKS="$LINKS pc-bios/$(basename $bios_file)"
8412done
8413mkdir -p $DIRS
8414for f in $LINKS ; do
8415    if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8416        symlink "$source_path/$f" "$f"
8417    fi
8418done
8419
8420(for i in $cross_cc_vars; do
8421  export $i
8422done
8423export target_list source_path use_containers
8424$source_path/tests/tcg/configure.sh)
8425
8426# temporary config to build submodules
8427for rom in seabios vgabios ; do
8428    config_mak=roms/$rom/config.mak
8429    echo "# Automatically generated by configure - do not modify" > $config_mak
8430    echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8431    echo "AS=$as" >> $config_mak
8432    echo "CCAS=$ccas" >> $config_mak
8433    echo "CC=$cc" >> $config_mak
8434    echo "BCC=bcc" >> $config_mak
8435    echo "CPP=$cpp" >> $config_mak
8436    echo "OBJCOPY=objcopy" >> $config_mak
8437    echo "IASL=$iasl" >> $config_mak
8438    echo "LD=$ld" >> $config_mak
8439    echo "RANLIB=$ranlib" >> $config_mak
8440done
8441
8442# set up qemu-iotests in this build directory
8443iotests_common_env="tests/qemu-iotests/common.env"
8444
8445echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8446echo >> "$iotests_common_env"
8447echo "export PYTHON='$python'" >> "$iotests_common_env"
8448
8449# Save the configure command line for later reuse.
8450cat <<EOD >config.status
8451#!/bin/sh
8452# Generated by configure.
8453# Run this file to recreate the current configuration.
8454# Compiler output produced by configure, useful for debugging
8455# configure, is in config.log if it exists.
8456EOD
8457
8458preserve_env() {
8459    envname=$1
8460
8461    eval envval=\$$envname
8462
8463    if test -n "$envval"
8464    then
8465	echo "$envname='$envval'" >> config.status
8466	echo "export $envname" >> config.status
8467    else
8468	echo "unset $envname" >> config.status
8469    fi
8470}
8471
8472# Preserve various env variables that influence what
8473# features/build target configure will detect
8474preserve_env AR
8475preserve_env AS
8476preserve_env CC
8477preserve_env CPP
8478preserve_env CXX
8479preserve_env INSTALL
8480preserve_env LD
8481preserve_env LD_LIBRARY_PATH
8482preserve_env LIBTOOL
8483preserve_env MAKE
8484preserve_env NM
8485preserve_env OBJCOPY
8486preserve_env PATH
8487preserve_env PKG_CONFIG
8488preserve_env PKG_CONFIG_LIBDIR
8489preserve_env PKG_CONFIG_PATH
8490preserve_env PYTHON
8491preserve_env SDL2_CONFIG
8492preserve_env SMBD
8493preserve_env STRIP
8494preserve_env WINDRES
8495
8496printf "exec" >>config.status
8497printf " '%s'" "$0" "$@" >>config.status
8498echo ' "$@"' >>config.status
8499chmod +x config.status
8500
8501rm -r "$TMPDIR1"
8502