xref: /openbmc/qemu/configure (revision 8ab1aabc5d33a09ceee1adc1148f62cbb16cb43d)
1#!/bin/sh
2#
3# qemu configure script (c) 2003 Fabrice Bellard
4#
5
6# Unset some variables known to interfere with behavior of common tools,
7# just as autoconf does.
8CLICOLOR_FORCE= GREP_OPTIONS=
9unset CLICOLOR_FORCE GREP_OPTIONS
10
11# Don't allow CCACHE, if present, to use cached results of compile tests!
12export CCACHE_RECACHE=yes
13
14# make source path absolute
15source_path=$(cd "$(dirname -- "$0")"; pwd)
16
17if test "$PWD" = "$source_path"
18then
19    echo "Using './build' as the directory for build output"
20
21    MARKER=build/auto-created-by-configure
22
23    if test -e build
24    then
25        if test -f $MARKER
26        then
27           rm -rf build
28        else
29            echo "ERROR: ./build dir already exists and was not previously created by configure"
30            exit 1
31        fi
32    fi
33
34    mkdir build
35    touch $MARKER
36
37    cat > GNUmakefile <<'EOF'
38# This file is auto-generated by configure to support in-source tree
39# 'make' command invocation
40
41ifeq ($(MAKECMDGOALS),)
42recurse: all
43endif
44
45.NOTPARALLEL: %
46%: force
47	@echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
48	@$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
49	@if test "$(MAKECMDGOALS)" = "distclean" && \
50	    test -e build/auto-created-by-configure ; \
51	then \
52	    rm -rf build GNUmakefile ; \
53	fi
54force: ;
55.PHONY: force
56GNUmakefile: ;
57
58EOF
59    cd build
60    exec $source_path/configure "$@"
61fi
62
63# Temporary directory used for files created while
64# configure runs. Since it is in the build directory
65# we can safely blow away any previous version of it
66# (and we need not jump through hoops to try to delete
67# it when configure exits.)
68TMPDIR1="config-temp"
69rm -rf "${TMPDIR1}"
70mkdir -p "${TMPDIR1}"
71if [ $? -ne 0 ]; then
72    echo "ERROR: failed to create temporary directory"
73    exit 1
74fi
75
76TMPB="qemu-conf"
77TMPC="${TMPDIR1}/${TMPB}.c"
78TMPO="${TMPDIR1}/${TMPB}.o"
79TMPCXX="${TMPDIR1}/${TMPB}.cxx"
80TMPE="${TMPDIR1}/${TMPB}.exe"
81TMPTXT="${TMPDIR1}/${TMPB}.txt"
82
83rm -f config.log
84
85# Print a helpful header at the top of config.log
86echo "# QEMU configure log $(date)" >> config.log
87printf "# Configured with:" >> config.log
88printf " '%s'" "$0" "$@" >> config.log
89echo >> config.log
90echo "#" >> config.log
91
92print_error() {
93    (echo
94    echo "ERROR: $1"
95    while test -n "$2"; do
96        echo "       $2"
97        shift
98    done
99    echo) >&2
100}
101
102error_exit() {
103    print_error "$@"
104    exit 1
105}
106
107do_compiler() {
108    # Run the compiler, capturing its output to the log. First argument
109    # is compiler binary to execute.
110    local compiler="$1"
111    shift
112    if test -n "$BASH_VERSION"; then eval '
113        echo >>config.log "
114funcs: ${FUNCNAME[*]}
115lines: ${BASH_LINENO[*]}"
116    '; fi
117    echo $compiler "$@" >> config.log
118    $compiler "$@" >> config.log 2>&1 || return $?
119    # Test passed. If this is an --enable-werror build, rerun
120    # the test with -Werror and bail out if it fails. This
121    # makes warning-generating-errors in configure test code
122    # obvious to developers.
123    if test "$werror" != "yes"; then
124        return 0
125    fi
126    # Don't bother rerunning the compile if we were already using -Werror
127    case "$*" in
128        *-Werror*)
129           return 0
130        ;;
131    esac
132    echo $compiler -Werror "$@" >> config.log
133    $compiler -Werror "$@" >> config.log 2>&1 && return $?
134    error_exit "configure test passed without -Werror but failed with -Werror." \
135        "This is probably a bug in the configure script. The failing command" \
136        "will be at the bottom of config.log." \
137        "You can run configure with --disable-werror to bypass this check."
138}
139
140do_cc() {
141    do_compiler "$cc" "$@"
142}
143
144do_cxx() {
145    do_compiler "$cxx" "$@"
146}
147
148# Append $2 to the variable named $1, with space separation
149add_to() {
150    eval $1=\${$1:+\"\$$1 \"}\$2
151}
152
153update_cxxflags() {
154    # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
155    # options which some versions of GCC's C++ compiler complain about
156    # because they only make sense for C programs.
157    QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
158    CXXFLAGS=$(echo "$CFLAGS" | sed s/-std=gnu99/-std=gnu++11/)
159    for arg in $QEMU_CFLAGS; do
160        case $arg in
161            -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
162            -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
163                ;;
164            *)
165                QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
166                ;;
167        esac
168    done
169}
170
171compile_object() {
172  local_cflags="$1"
173  do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
174}
175
176compile_prog() {
177  local_cflags="$1"
178  local_ldflags="$2"
179  do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $QEMU_LDFLAGS $local_ldflags
180}
181
182# symbolically link $1 to $2.  Portable version of "ln -sf".
183symlink() {
184  rm -rf "$2"
185  mkdir -p "$(dirname "$2")"
186  ln -s "$1" "$2"
187}
188
189# check whether a command is available to this shell (may be either an
190# executable or a builtin)
191has() {
192    type "$1" >/dev/null 2>&1
193}
194
195# search for an executable in PATH
196path_of() {
197    local_command="$1"
198    local_ifs="$IFS"
199    local_dir=""
200
201    # pathname has a dir component?
202    if [ "${local_command#*/}" != "$local_command" ]; then
203        if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
204            echo "$local_command"
205            return 0
206        fi
207    fi
208    if [ -z "$local_command" ]; then
209        return 1
210    fi
211
212    IFS=:
213    for local_dir in $PATH; do
214        if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
215            echo "$local_dir/$local_command"
216            IFS="${local_ifs:-$(printf ' \t\n')}"
217            return 0
218        fi
219    done
220    # not found
221    IFS="${local_ifs:-$(printf ' \t\n')}"
222    return 1
223}
224
225version_ge () {
226    local_ver1=`echo $1 | tr . ' '`
227    local_ver2=`echo $2 | tr . ' '`
228    while true; do
229        set x $local_ver1
230        local_first=${2-0}
231        # 'shift 2' if $2 is set, or 'shift' if $2 is not set
232        shift ${2:+2}
233        local_ver1=$*
234        set x $local_ver2
235        # the second argument finished, the first must be greater or equal
236        test $# = 1 && return 0
237        test $local_first -lt $2 && return 1
238        test $local_first -gt $2 && return 0
239        shift ${2:+2}
240        local_ver2=$*
241    done
242}
243
244have_backend () {
245    echo "$trace_backends" | grep "$1" >/dev/null
246}
247
248glob() {
249    eval test -z '"${1#'"$2"'}"'
250}
251
252supported_hax_target() {
253    test "$hax" = "yes" || return 1
254    glob "$1" "*-softmmu" || return 1
255    case "${1%-softmmu}" in
256        i386|x86_64)
257            return 0
258        ;;
259    esac
260    return 1
261}
262
263supported_kvm_target() {
264    test "$kvm" = "yes" || return 1
265    glob "$1" "*-softmmu" || return 1
266    case "${1%-softmmu}:$cpu" in
267        arm:arm | aarch64:aarch64 | \
268        i386:i386 | i386:x86_64 | i386:x32 | \
269        x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
270        mips:mips | mipsel:mips | mips64:mips | mips64el:mips | \
271        ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
272        s390x:s390x)
273            return 0
274        ;;
275    esac
276    return 1
277}
278
279supported_xen_target() {
280    test "$xen" = "yes" || return 1
281    glob "$1" "*-softmmu" || return 1
282    # Only i386 and x86_64 provide the xenpv machine.
283    case "${1%-softmmu}" in
284        i386|x86_64)
285            return 0
286        ;;
287    esac
288    return 1
289}
290
291supported_hvf_target() {
292    test "$hvf" = "yes" || return 1
293    glob "$1" "*-softmmu" || return 1
294    case "${1%-softmmu}" in
295        x86_64)
296            return 0
297        ;;
298    esac
299    return 1
300}
301
302supported_whpx_target() {
303    test "$whpx" = "yes" || return 1
304    glob "$1" "*-softmmu" || return 1
305    case "${1%-softmmu}" in
306        i386|x86_64)
307            return 0
308        ;;
309    esac
310    return 1
311}
312
313supported_target() {
314    case "$1" in
315        *-softmmu)
316            ;;
317        *-linux-user)
318            if test "$linux" != "yes"; then
319                print_error "Target '$target' is only available on a Linux host"
320                return 1
321            fi
322            ;;
323        *-bsd-user)
324            if test "$bsd" != "yes"; then
325                print_error "Target '$target' is only available on a BSD host"
326                return 1
327            fi
328            ;;
329        *)
330            print_error "Invalid target name '$target'"
331            return 1
332            ;;
333    esac
334    test "$tcg" = "yes" && return 0
335    supported_kvm_target "$1" && return 0
336    supported_xen_target "$1" && return 0
337    supported_hax_target "$1" && return 0
338    supported_hvf_target "$1" && return 0
339    supported_whpx_target "$1" && return 0
340    print_error "TCG disabled, but hardware accelerator not available for '$target'"
341    return 1
342}
343
344
345ld_has() {
346    $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
347}
348
349if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
350then
351  error_exit "main directory cannot contain spaces nor colons"
352fi
353
354# default parameters
355cpu=""
356iasl="iasl"
357interp_prefix="/usr/gnemul/qemu-%M"
358static="no"
359cross_prefix=""
360audio_drv_list=""
361block_drv_rw_whitelist=""
362block_drv_ro_whitelist=""
363host_cc="cc"
364libs_tools=""
365audio_win_int=""
366libs_qga=""
367debug_info="yes"
368stack_protector=""
369safe_stack=""
370use_containers="yes"
371gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
372
373if test -e "$source_path/.git"
374then
375    git_update=yes
376    git_submodules="ui/keycodemapdb"
377    git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
378    git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
379else
380    git_update=no
381    git_submodules=""
382
383    if ! test -f "$source_path/ui/keycodemapdb/README"
384    then
385        echo
386        echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
387        echo
388        echo "This is not a GIT checkout but module content appears to"
389        echo "be missing. Do not use 'git archive' or GitHub download links"
390        echo "to acquire QEMU source archives. Non-GIT builds are only"
391        echo "supported with source archives linked from:"
392        echo
393        echo "  https://www.qemu.org/download/#source"
394        echo
395        echo "Developers working with GIT can use scripts/archive-source.sh"
396        echo "if they need to create valid source archives."
397        echo
398        exit 1
399    fi
400fi
401git="git"
402
403# Don't accept a target_list environment variable.
404unset target_list
405unset target_list_exclude
406
407# Default value for a variable defining feature "foo".
408#  * foo="no"  feature will only be used if --enable-foo arg is given
409#  * foo=""    feature will be searched for, and if found, will be used
410#              unless --disable-foo is given
411#  * foo="yes" this value will only be set by --enable-foo flag.
412#              feature will searched for,
413#              if not found, configure exits with error
414#
415# Always add --enable-foo and --disable-foo command line args.
416# Distributions want to ensure that several features are compiled in, and it
417# is impossible without a --enable-foo that exits if a feature is not found.
418
419brlapi=""
420curl=""
421curses=""
422docs=""
423fdt=""
424netmap="no"
425sdl="auto"
426sdl_image="auto"
427virtfs=""
428mpath=""
429vnc="enabled"
430sparse="no"
431vde=""
432vnc_sasl="auto"
433vnc_jpeg="auto"
434vnc_png="auto"
435xkbcommon="auto"
436xen=""
437xen_ctrl_version=""
438xen_pci_passthrough=""
439linux_aio=""
440linux_io_uring=""
441cap_ng=""
442attr=""
443libattr=""
444xfs=""
445tcg="yes"
446membarrier=""
447vhost_net=""
448vhost_crypto=""
449vhost_scsi=""
450vhost_vsock=""
451vhost_user=""
452vhost_user_fs=""
453kvm="no"
454hax="no"
455hvf="no"
456whpx="no"
457rdma=""
458pvrdma=""
459gprof="no"
460debug_tcg="no"
461debug="no"
462sanitizers="no"
463tsan="no"
464fortify_source=""
465strip_opt="yes"
466tcg_interpreter="no"
467bigendian="no"
468mingw32="no"
469gcov="no"
470EXESUF=""
471HOST_DSOSUF=".so"
472LDFLAGS_SHARED="-shared"
473modules="no"
474module_upgrades="no"
475prefix="/usr/local"
476firmwarepath="\${prefix}/share/qemu-firmware"
477confsuffix="/qemu"
478slirp=""
479oss_lib=""
480bsd="no"
481linux="no"
482solaris="no"
483profiler="no"
484cocoa="no"
485softmmu="yes"
486linux_user="no"
487bsd_user="no"
488blobs="yes"
489edk2_blobs="no"
490pkgversion=""
491pie=""
492qom_cast_debug="yes"
493trace_backends="log"
494trace_file="trace"
495spice=""
496rbd=""
497smartcard=""
498u2f="auto"
499libusb=""
500usb_redir=""
501opengl=""
502opengl_dmabuf="no"
503cpuid_h="no"
504avx2_opt=""
505zlib="yes"
506capstone=""
507lzo=""
508snappy=""
509bzip2=""
510lzfse=""
511zstd=""
512guest_agent=""
513guest_agent_with_vss="no"
514guest_agent_ntddscsi="no"
515guest_agent_msi=""
516vss_win32_sdk=""
517win_sdk="no"
518want_tools=""
519libiscsi=""
520libnfs=""
521coroutine=""
522coroutine_pool=""
523debug_stack_usage="no"
524crypto_afalg="no"
525seccomp=""
526glusterfs=""
527glusterfs_xlator_opt="no"
528glusterfs_discard="no"
529glusterfs_fallocate="no"
530glusterfs_zerofill="no"
531glusterfs_ftruncate_has_stat="no"
532glusterfs_iocb_has_stat="no"
533gtk=""
534gtk_gl="no"
535tls_priority="NORMAL"
536gnutls=""
537nettle=""
538nettle_xts="no"
539gcrypt=""
540gcrypt_hmac="no"
541gcrypt_xts="no"
542qemu_private_xts="yes"
543auth_pam=""
544vte=""
545virglrenderer=""
546tpm=""
547libssh=""
548live_block_migration="yes"
549numa=""
550tcmalloc="no"
551jemalloc="no"
552replication="yes"
553bochs="yes"
554cloop="yes"
555dmg="yes"
556qcow1="yes"
557vdi="yes"
558vvfat="yes"
559qed="yes"
560parallels="yes"
561sheepdog="yes"
562libxml2=""
563debug_mutex="no"
564libpmem=""
565default_devices="yes"
566plugins="no"
567fuzzing="no"
568rng_none="no"
569secret_keyring=""
570libdaxctl=""
571meson=""
572ninja=""
573skip_meson=no
574gettext=""
575
576bogus_os="no"
577malloc_trim=""
578
579# parse CC options first
580for opt do
581  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
582  case "$opt" in
583  --cross-prefix=*) cross_prefix="$optarg"
584  ;;
585  --cc=*) CC="$optarg"
586  ;;
587  --cxx=*) CXX="$optarg"
588  ;;
589  --cpu=*) cpu="$optarg"
590  ;;
591  --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
592                    QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
593  ;;
594  --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
595  ;;
596  --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
597                     EXTRA_LDFLAGS="$optarg"
598  ;;
599  --enable-debug-info) debug_info="yes"
600  ;;
601  --disable-debug-info) debug_info="no"
602  ;;
603  --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
604  ;;
605  --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
606                      eval "cross_cc_cflags_${cc_arch}=\$optarg"
607                      cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
608  ;;
609  --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
610                cc_archs="$cc_archs $cc_arch"
611                eval "cross_cc_${cc_arch}=\$optarg"
612                cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
613  ;;
614  esac
615done
616# OS specific
617# Using uname is really, really broken.  Once we have the right set of checks
618# we can eliminate its usage altogether.
619
620# Preferred compiler:
621#  ${CC} (if set)
622#  ${cross_prefix}gcc (if cross-prefix specified)
623#  system compiler
624if test -z "${CC}${cross_prefix}"; then
625  cc="$host_cc"
626else
627  cc="${CC-${cross_prefix}gcc}"
628fi
629
630if test -z "${CXX}${cross_prefix}"; then
631  cxx="c++"
632else
633  cxx="${CXX-${cross_prefix}g++}"
634fi
635
636ar="${AR-${cross_prefix}ar}"
637as="${AS-${cross_prefix}as}"
638ccas="${CCAS-$cc}"
639cpp="${CPP-$cc -E}"
640objcopy="${OBJCOPY-${cross_prefix}objcopy}"
641ld="${LD-${cross_prefix}ld}"
642ranlib="${RANLIB-${cross_prefix}ranlib}"
643nm="${NM-${cross_prefix}nm}"
644strip="${STRIP-${cross_prefix}strip}"
645windres="${WINDRES-${cross_prefix}windres}"
646pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
647query_pkg_config() {
648    "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
649}
650pkg_config=query_pkg_config
651sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
652
653# If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
654ARFLAGS="${ARFLAGS-rv}"
655
656# default flags for all hosts
657# We use -fwrapv to tell the compiler that we require a C dialect where
658# left shift of signed integers is well defined and has the expected
659# 2s-complement style results. (Both clang and gcc agree that it
660# provides these semantics.)
661QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
662QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
663QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
664QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
665QEMU_INCLUDES="-iquote . -iquote ${source_path} -iquote ${source_path}/accel/tcg -iquote ${source_path}/include"
666QEMU_INCLUDES="$QEMU_INCLUDES -iquote ${source_path}/disas/libvixl"
667CFLAGS="-std=gnu99 -Wall"
668
669
670# running configure in the source tree?
671# we know that's the case if configure is there.
672if test -f "./configure"; then
673    pwd_is_source_path="y"
674else
675    pwd_is_source_path="n"
676fi
677
678check_define() {
679cat > $TMPC <<EOF
680#if !defined($1)
681#error $1 not defined
682#endif
683int main(void) { return 0; }
684EOF
685  compile_object
686}
687
688check_include() {
689cat > $TMPC <<EOF
690#include <$1>
691int main(void) { return 0; }
692EOF
693  compile_object
694}
695
696write_c_skeleton() {
697    cat > $TMPC <<EOF
698int main(void) { return 0; }
699EOF
700}
701
702write_c_fuzzer_skeleton() {
703    cat > $TMPC <<EOF
704#include <stdint.h>
705#include <sys/types.h>
706int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
707int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
708EOF
709}
710
711if check_define __linux__ ; then
712  targetos="Linux"
713elif check_define _WIN32 ; then
714  targetos='MINGW32'
715elif check_define __OpenBSD__ ; then
716  targetos='OpenBSD'
717elif check_define __sun__ ; then
718  targetos='SunOS'
719elif check_define __HAIKU__ ; then
720  targetos='Haiku'
721elif check_define __FreeBSD__ ; then
722  targetos='FreeBSD'
723elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
724  targetos='GNU/kFreeBSD'
725elif check_define __DragonFly__ ; then
726  targetos='DragonFly'
727elif check_define __NetBSD__; then
728  targetos='NetBSD'
729elif check_define __APPLE__; then
730  targetos='Darwin'
731else
732  # This is a fatal error, but don't report it yet, because we
733  # might be going to just print the --help text, or it might
734  # be the result of a missing compiler.
735  targetos='bogus'
736  bogus_os='yes'
737fi
738
739# Some host OSes need non-standard checks for which CPU to use.
740# Note that these checks are broken for cross-compilation: if you're
741# cross-compiling to one of these OSes then you'll need to specify
742# the correct CPU with the --cpu option.
743case $targetos in
744Darwin)
745  # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
746  # run 64-bit userspace code.
747  # If the user didn't specify a CPU explicitly and the kernel says this is
748  # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
749  if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
750    cpu="x86_64"
751  fi
752  ;;
753SunOS)
754  # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
755  if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
756    cpu="x86_64"
757  fi
758esac
759
760if test ! -z "$cpu" ; then
761  # command line argument
762  :
763elif check_define __i386__ ; then
764  cpu="i386"
765elif check_define __x86_64__ ; then
766  if check_define __ILP32__ ; then
767    cpu="x32"
768  else
769    cpu="x86_64"
770  fi
771elif check_define __sparc__ ; then
772  if check_define __arch64__ ; then
773    cpu="sparc64"
774  else
775    cpu="sparc"
776  fi
777elif check_define _ARCH_PPC ; then
778  if check_define _ARCH_PPC64 ; then
779    if check_define _LITTLE_ENDIAN ; then
780      cpu="ppc64le"
781    else
782      cpu="ppc64"
783    fi
784  else
785    cpu="ppc"
786  fi
787elif check_define __mips__ ; then
788  cpu="mips"
789elif check_define __s390__ ; then
790  if check_define __s390x__ ; then
791    cpu="s390x"
792  else
793    cpu="s390"
794  fi
795elif check_define __riscv ; then
796  if check_define _LP64 ; then
797    cpu="riscv64"
798  else
799    cpu="riscv32"
800  fi
801elif check_define __arm__ ; then
802  cpu="arm"
803elif check_define __aarch64__ ; then
804  cpu="aarch64"
805else
806  cpu=$(uname -m)
807fi
808
809ARCH=
810# Normalise host CPU name and set ARCH.
811# Note that this case should only have supported host CPUs, not guests.
812case "$cpu" in
813  ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
814  ;;
815  ppc64le)
816    ARCH="ppc64"
817  ;;
818  i386|i486|i586|i686|i86pc|BePC)
819    cpu="i386"
820  ;;
821  x86_64|amd64)
822    cpu="x86_64"
823  ;;
824  armv*b|armv*l|arm)
825    cpu="arm"
826  ;;
827  aarch64)
828    cpu="aarch64"
829  ;;
830  mips*)
831    cpu="mips"
832  ;;
833  sparc|sun4[cdmuv])
834    cpu="sparc"
835  ;;
836  *)
837    # This will result in either an error or falling back to TCI later
838    ARCH=unknown
839  ;;
840esac
841if test -z "$ARCH"; then
842  ARCH="$cpu"
843fi
844
845# OS specific
846
847# host *BSD for user mode
848HOST_VARIANT_DIR=""
849
850case $targetos in
851MINGW32*)
852  mingw32="yes"
853  hax="yes"
854  vhost_user="no"
855  audio_possible_drivers="dsound sdl"
856  if check_include dsound.h; then
857    audio_drv_list="dsound"
858  else
859    audio_drv_list=""
860  fi
861  supported_os="yes"
862  pie="no"
863;;
864GNU/kFreeBSD)
865  bsd="yes"
866  audio_drv_list="oss try-sdl"
867  audio_possible_drivers="oss sdl pa"
868;;
869FreeBSD)
870  bsd="yes"
871  make="${MAKE-gmake}"
872  audio_drv_list="oss try-sdl"
873  audio_possible_drivers="oss sdl pa"
874  # needed for kinfo_getvmmap(3) in libutil.h
875  LIBS="-lutil $LIBS"
876  netmap=""  # enable netmap autodetect
877  HOST_VARIANT_DIR="freebsd"
878;;
879DragonFly)
880  bsd="yes"
881  make="${MAKE-gmake}"
882  audio_drv_list="oss try-sdl"
883  audio_possible_drivers="oss sdl pa"
884  HOST_VARIANT_DIR="dragonfly"
885;;
886NetBSD)
887  bsd="yes"
888  hax="yes"
889  make="${MAKE-gmake}"
890  audio_drv_list="oss try-sdl"
891  audio_possible_drivers="oss sdl"
892  oss_lib="-lossaudio"
893  HOST_VARIANT_DIR="netbsd"
894;;
895OpenBSD)
896  bsd="yes"
897  make="${MAKE-gmake}"
898  audio_drv_list="try-sdl"
899  audio_possible_drivers="sdl"
900  HOST_VARIANT_DIR="openbsd"
901;;
902Darwin)
903  bsd="yes"
904  darwin="yes"
905  hax="yes"
906  hvf="yes"
907  LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
908  if [ "$cpu" = "x86_64" ] ; then
909    QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
910    QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
911  fi
912  cocoa="yes"
913  audio_drv_list="coreaudio try-sdl"
914  audio_possible_drivers="coreaudio sdl"
915  QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
916  # Disable attempts to use ObjectiveC features in os/object.h since they
917  # won't work when we're compiling with gcc as a C compiler.
918  QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
919  HOST_VARIANT_DIR="darwin"
920;;
921SunOS)
922  solaris="yes"
923  make="${MAKE-gmake}"
924  install="${INSTALL-ginstall}"
925  smbd="${SMBD-/usr/sfw/sbin/smbd}"
926  if test -f /usr/include/sys/soundcard.h ; then
927    audio_drv_list="oss try-sdl"
928  fi
929  audio_possible_drivers="oss sdl"
930# needed for CMSG_ macros in sys/socket.h
931  QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
932# needed for TIOCWIN* defines in termios.h
933  QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
934  solarisnetlibs="-lsocket -lnsl -lresolv"
935  LIBS="$solarisnetlibs $LIBS"
936;;
937Haiku)
938  haiku="yes"
939  QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -DBSD_SOURCE $QEMU_CFLAGS"
940  LIBS="-lposix_error_mapper -lnetwork -lbsd $LIBS"
941;;
942Linux)
943  audio_drv_list="try-pa oss"
944  audio_possible_drivers="oss alsa sdl pa"
945  linux="yes"
946  linux_user="yes"
947  kvm="yes"
948  QEMU_INCLUDES="-isystem ${source_path}/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
949  libudev="yes"
950;;
951esac
952
953if [ "$bsd" = "yes" ] ; then
954  if [ "$darwin" != "yes" ] ; then
955    bsd_user="yes"
956  fi
957fi
958
959: ${make=${MAKE-make}}
960: ${install=${INSTALL-install}}
961# We prefer python 3.x. A bare 'python' is traditionally
962# python 2.x, but some distros have it as python 3.x, so
963# we check that too
964python=
965explicit_python=no
966for binary in "${PYTHON-python3}" python
967do
968    if has "$binary"
969    then
970        python=$(command -v "$binary")
971        break
972    fi
973done
974
975sphinx_build=
976for binary in sphinx-build-3 sphinx-build
977do
978    if has "$binary"
979    then
980        sphinx_build=$(command -v "$binary")
981        break
982    fi
983done
984
985# Check for ancillary tools used in testing
986genisoimage=
987for binary in genisoimage mkisofs
988do
989    if has $binary
990    then
991        genisoimage=$(command -v "$binary")
992        break
993    fi
994done
995
996: ${smbd=${SMBD-/usr/sbin/smbd}}
997
998# Default objcc to clang if available, otherwise use CC
999if has clang; then
1000  objcc=clang
1001else
1002  objcc="$cc"
1003fi
1004
1005if test "$mingw32" = "yes" ; then
1006  EXESUF=".exe"
1007  HOST_DSOSUF=".dll"
1008  # MinGW needs -mthreads for TLS and macro _MT.
1009  CFLAGS="-mthreads $CFLAGS"
1010  LIBS="-lwinmm -lws2_32 $LIBS"
1011  write_c_skeleton;
1012  if compile_prog "" "-liberty" ; then
1013    LIBS="-liberty $LIBS"
1014  fi
1015  prefix="c:/Program Files/QEMU"
1016  confsuffix=""
1017  libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
1018fi
1019
1020werror=""
1021
1022for opt do
1023  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
1024  case "$opt" in
1025  --help|-h) show_help=yes
1026  ;;
1027  --version|-V) exec cat $source_path/VERSION
1028  ;;
1029  --prefix=*) prefix="$optarg"
1030  ;;
1031  --interp-prefix=*) interp_prefix="$optarg"
1032  ;;
1033  --cross-prefix=*)
1034  ;;
1035  --cc=*)
1036  ;;
1037  --host-cc=*) host_cc="$optarg"
1038  ;;
1039  --cxx=*)
1040  ;;
1041  --iasl=*) iasl="$optarg"
1042  ;;
1043  --objcc=*) objcc="$optarg"
1044  ;;
1045  --make=*) make="$optarg"
1046  ;;
1047  --install=*) install="$optarg"
1048  ;;
1049  --python=*) python="$optarg" ; explicit_python=yes
1050  ;;
1051  --sphinx-build=*) sphinx_build="$optarg"
1052  ;;
1053  --skip-meson) skip_meson=yes
1054  ;;
1055  --meson=*) meson="$optarg"
1056  ;;
1057  --ninja=*) ninja="$optarg"
1058  ;;
1059  --smbd=*) smbd="$optarg"
1060  ;;
1061  --extra-cflags=*)
1062  ;;
1063  --extra-cxxflags=*)
1064  ;;
1065  --extra-ldflags=*)
1066  ;;
1067  --enable-debug-info)
1068  ;;
1069  --disable-debug-info)
1070  ;;
1071  --cross-cc-*)
1072  ;;
1073  --enable-modules)
1074      modules="yes"
1075  ;;
1076  --disable-modules)
1077      modules="no"
1078  ;;
1079  --disable-module-upgrades) module_upgrades="no"
1080  ;;
1081  --enable-module-upgrades) module_upgrades="yes"
1082  ;;
1083  --cpu=*)
1084  ;;
1085  --target-list=*) target_list="$optarg"
1086                   if test "$target_list_exclude"; then
1087                       error_exit "Can't mix --target-list with --target-list-exclude"
1088                   fi
1089  ;;
1090  --target-list-exclude=*) target_list_exclude="$optarg"
1091                   if test "$target_list"; then
1092                       error_exit "Can't mix --target-list-exclude with --target-list"
1093                   fi
1094  ;;
1095  --enable-trace-backends=*) trace_backends="$optarg"
1096  ;;
1097  # XXX: backwards compatibility
1098  --enable-trace-backend=*) trace_backends="$optarg"
1099  ;;
1100  --with-trace-file=*) trace_file="$optarg"
1101  ;;
1102  --with-default-devices) default_devices="yes"
1103  ;;
1104  --without-default-devices) default_devices="no"
1105  ;;
1106  --enable-gprof) gprof="yes"
1107  ;;
1108  --enable-gcov) gcov="yes"
1109  ;;
1110  --static)
1111    static="yes"
1112    QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1113  ;;
1114  --mandir=*) mandir="$optarg"
1115  ;;
1116  --bindir=*) bindir="$optarg"
1117  ;;
1118  --libdir=*) libdir="$optarg"
1119  ;;
1120  --libexecdir=*) libexecdir="$optarg"
1121  ;;
1122  --includedir=*) includedir="$optarg"
1123  ;;
1124  --datadir=*) datadir="$optarg"
1125  ;;
1126  --with-confsuffix=*) confsuffix="$optarg"
1127  ;;
1128  --docdir=*) qemu_docdir="$optarg"
1129  ;;
1130  --sysconfdir=*) sysconfdir="$optarg"
1131  ;;
1132  --localstatedir=*) local_statedir="$optarg"
1133  ;;
1134  --firmwarepath=*) firmwarepath="$optarg"
1135  ;;
1136  --host=*|--build=*|\
1137  --disable-dependency-tracking|\
1138  --sbindir=*|--sharedstatedir=*|\
1139  --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1140  --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1141    # These switches are silently ignored, for compatibility with
1142    # autoconf-generated configure scripts. This allows QEMU's
1143    # configure to be used by RPM and similar macros that set
1144    # lots of directory switches by default.
1145  ;;
1146  --disable-sdl) sdl="disabled"
1147  ;;
1148  --enable-sdl) sdl="enabled"
1149  ;;
1150  --disable-sdl-image) sdl_image="disabled"
1151  ;;
1152  --enable-sdl-image) sdl_image="enabled"
1153  ;;
1154  --disable-qom-cast-debug) qom_cast_debug="no"
1155  ;;
1156  --enable-qom-cast-debug) qom_cast_debug="yes"
1157  ;;
1158  --disable-virtfs) virtfs="no"
1159  ;;
1160  --enable-virtfs) virtfs="yes"
1161  ;;
1162  --disable-mpath) mpath="no"
1163  ;;
1164  --enable-mpath) mpath="yes"
1165  ;;
1166  --disable-vnc) vnc="disabled"
1167  ;;
1168  --enable-vnc) vnc="enabled"
1169  ;;
1170  --disable-gettext) gettext="false"
1171  ;;
1172  --enable-gettext) gettext="true"
1173  ;;
1174  --oss-lib=*) oss_lib="$optarg"
1175  ;;
1176  --audio-drv-list=*) audio_drv_list="$optarg"
1177  ;;
1178  --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1179  ;;
1180  --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1181  ;;
1182  --enable-debug-tcg) debug_tcg="yes"
1183  ;;
1184  --disable-debug-tcg) debug_tcg="no"
1185  ;;
1186  --enable-debug)
1187      # Enable debugging options that aren't excessively noisy
1188      debug_tcg="yes"
1189      debug_mutex="yes"
1190      debug="yes"
1191      strip_opt="no"
1192      fortify_source="no"
1193  ;;
1194  --enable-sanitizers) sanitizers="yes"
1195  ;;
1196  --disable-sanitizers) sanitizers="no"
1197  ;;
1198  --enable-tsan) tsan="yes"
1199  ;;
1200  --disable-tsan) tsan="no"
1201  ;;
1202  --enable-sparse) sparse="yes"
1203  ;;
1204  --disable-sparse) sparse="no"
1205  ;;
1206  --disable-strip) strip_opt="no"
1207  ;;
1208  --disable-vnc-sasl) vnc_sasl="disabled"
1209  ;;
1210  --enable-vnc-sasl) vnc_sasl="enabled"
1211  ;;
1212  --disable-vnc-jpeg) vnc_jpeg="disabled"
1213  ;;
1214  --enable-vnc-jpeg) vnc_jpeg="enabled"
1215  ;;
1216  --disable-vnc-png) vnc_png="disabled"
1217  ;;
1218  --enable-vnc-png) vnc_png="enabled"
1219  ;;
1220  --disable-slirp) slirp="no"
1221  ;;
1222  --enable-slirp=git) slirp="git"
1223  ;;
1224  --enable-slirp=system) slirp="system"
1225  ;;
1226  --disable-vde) vde="no"
1227  ;;
1228  --enable-vde) vde="yes"
1229  ;;
1230  --disable-netmap) netmap="no"
1231  ;;
1232  --enable-netmap) netmap="yes"
1233  ;;
1234  --disable-xen) xen="no"
1235  ;;
1236  --enable-xen) xen="yes"
1237  ;;
1238  --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1239  ;;
1240  --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1241  ;;
1242  --disable-brlapi) brlapi="no"
1243  ;;
1244  --enable-brlapi) brlapi="yes"
1245  ;;
1246  --disable-kvm) kvm="no"
1247  ;;
1248  --enable-kvm) kvm="yes"
1249  ;;
1250  --disable-hax) hax="no"
1251  ;;
1252  --enable-hax) hax="yes"
1253  ;;
1254  --disable-hvf) hvf="no"
1255  ;;
1256  --enable-hvf) hvf="yes"
1257  ;;
1258  --disable-whpx) whpx="no"
1259  ;;
1260  --enable-whpx) whpx="yes"
1261  ;;
1262  --disable-tcg-interpreter) tcg_interpreter="no"
1263  ;;
1264  --enable-tcg-interpreter) tcg_interpreter="yes"
1265  ;;
1266  --disable-cap-ng)  cap_ng="no"
1267  ;;
1268  --enable-cap-ng) cap_ng="yes"
1269  ;;
1270  --disable-tcg) tcg="no"
1271  ;;
1272  --enable-tcg) tcg="yes"
1273  ;;
1274  --disable-malloc-trim) malloc_trim="no"
1275  ;;
1276  --enable-malloc-trim) malloc_trim="yes"
1277  ;;
1278  --disable-spice) spice="no"
1279  ;;
1280  --enable-spice) spice="yes"
1281  ;;
1282  --disable-libiscsi) libiscsi="no"
1283  ;;
1284  --enable-libiscsi) libiscsi="yes"
1285  ;;
1286  --disable-libnfs) libnfs="no"
1287  ;;
1288  --enable-libnfs) libnfs="yes"
1289  ;;
1290  --enable-profiler) profiler="yes"
1291  ;;
1292  --disable-cocoa) cocoa="no"
1293  ;;
1294  --enable-cocoa)
1295      cocoa="yes" ;
1296      audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1297  ;;
1298  --disable-system) softmmu="no"
1299  ;;
1300  --enable-system) softmmu="yes"
1301  ;;
1302  --disable-user)
1303      linux_user="no" ;
1304      bsd_user="no" ;
1305  ;;
1306  --enable-user) ;;
1307  --disable-linux-user) linux_user="no"
1308  ;;
1309  --enable-linux-user) linux_user="yes"
1310  ;;
1311  --disable-bsd-user) bsd_user="no"
1312  ;;
1313  --enable-bsd-user) bsd_user="yes"
1314  ;;
1315  --enable-pie) pie="yes"
1316  ;;
1317  --disable-pie) pie="no"
1318  ;;
1319  --enable-werror) werror="yes"
1320  ;;
1321  --disable-werror) werror="no"
1322  ;;
1323  --enable-stack-protector) stack_protector="yes"
1324  ;;
1325  --disable-stack-protector) stack_protector="no"
1326  ;;
1327  --enable-safe-stack) safe_stack="yes"
1328  ;;
1329  --disable-safe-stack) safe_stack="no"
1330  ;;
1331  --disable-curses) curses="no"
1332  ;;
1333  --enable-curses) curses="yes"
1334  ;;
1335  --disable-iconv) iconv="no"
1336  ;;
1337  --enable-iconv) iconv="yes"
1338  ;;
1339  --disable-curl) curl="no"
1340  ;;
1341  --enable-curl) curl="yes"
1342  ;;
1343  --disable-fdt) fdt="no"
1344  ;;
1345  --enable-fdt) fdt="yes"
1346  ;;
1347  --disable-linux-aio) linux_aio="no"
1348  ;;
1349  --enable-linux-aio) linux_aio="yes"
1350  ;;
1351  --disable-linux-io-uring) linux_io_uring="no"
1352  ;;
1353  --enable-linux-io-uring) linux_io_uring="yes"
1354  ;;
1355  --disable-attr) attr="no"
1356  ;;
1357  --enable-attr) attr="yes"
1358  ;;
1359  --disable-membarrier) membarrier="no"
1360  ;;
1361  --enable-membarrier) membarrier="yes"
1362  ;;
1363  --disable-blobs) blobs="no"
1364  ;;
1365  --with-pkgversion=*) pkgversion="$optarg"
1366  ;;
1367  --with-coroutine=*) coroutine="$optarg"
1368  ;;
1369  --disable-coroutine-pool) coroutine_pool="no"
1370  ;;
1371  --enable-coroutine-pool) coroutine_pool="yes"
1372  ;;
1373  --enable-debug-stack-usage) debug_stack_usage="yes"
1374  ;;
1375  --enable-crypto-afalg) crypto_afalg="yes"
1376  ;;
1377  --disable-crypto-afalg) crypto_afalg="no"
1378  ;;
1379  --disable-docs) docs="no"
1380  ;;
1381  --enable-docs) docs="yes"
1382  ;;
1383  --disable-vhost-net) vhost_net="no"
1384  ;;
1385  --enable-vhost-net) vhost_net="yes"
1386  ;;
1387  --disable-vhost-crypto) vhost_crypto="no"
1388  ;;
1389  --enable-vhost-crypto) vhost_crypto="yes"
1390  ;;
1391  --disable-vhost-scsi) vhost_scsi="no"
1392  ;;
1393  --enable-vhost-scsi) vhost_scsi="yes"
1394  ;;
1395  --disable-vhost-vsock) vhost_vsock="no"
1396  ;;
1397  --enable-vhost-vsock) vhost_vsock="yes"
1398  ;;
1399  --disable-vhost-user-fs) vhost_user_fs="no"
1400  ;;
1401  --enable-vhost-user-fs) vhost_user_fs="yes"
1402  ;;
1403  --disable-opengl) opengl="no"
1404  ;;
1405  --enable-opengl) opengl="yes"
1406  ;;
1407  --disable-rbd) rbd="no"
1408  ;;
1409  --enable-rbd) rbd="yes"
1410  ;;
1411  --disable-xfsctl) xfs="no"
1412  ;;
1413  --enable-xfsctl) xfs="yes"
1414  ;;
1415  --disable-smartcard) smartcard="no"
1416  ;;
1417  --enable-smartcard) smartcard="yes"
1418  ;;
1419  --disable-u2f) u2f="disabled"
1420  ;;
1421  --enable-u2f) u2f="enabled"
1422  ;;
1423  --disable-libusb) libusb="no"
1424  ;;
1425  --enable-libusb) libusb="yes"
1426  ;;
1427  --disable-usb-redir) usb_redir="no"
1428  ;;
1429  --enable-usb-redir) usb_redir="yes"
1430  ;;
1431  --disable-zlib-test) zlib="no"
1432  ;;
1433  --disable-lzo) lzo="no"
1434  ;;
1435  --enable-lzo) lzo="yes"
1436  ;;
1437  --disable-snappy) snappy="no"
1438  ;;
1439  --enable-snappy) snappy="yes"
1440  ;;
1441  --disable-bzip2) bzip2="no"
1442  ;;
1443  --enable-bzip2) bzip2="yes"
1444  ;;
1445  --enable-lzfse) lzfse="yes"
1446  ;;
1447  --disable-lzfse) lzfse="no"
1448  ;;
1449  --disable-zstd) zstd="no"
1450  ;;
1451  --enable-zstd) zstd="yes"
1452  ;;
1453  --enable-guest-agent) guest_agent="yes"
1454  ;;
1455  --disable-guest-agent) guest_agent="no"
1456  ;;
1457  --enable-guest-agent-msi) guest_agent_msi="yes"
1458  ;;
1459  --disable-guest-agent-msi) guest_agent_msi="no"
1460  ;;
1461  --with-vss-sdk) vss_win32_sdk=""
1462  ;;
1463  --with-vss-sdk=*) vss_win32_sdk="$optarg"
1464  ;;
1465  --without-vss-sdk) vss_win32_sdk="no"
1466  ;;
1467  --with-win-sdk) win_sdk=""
1468  ;;
1469  --with-win-sdk=*) win_sdk="$optarg"
1470  ;;
1471  --without-win-sdk) win_sdk="no"
1472  ;;
1473  --enable-tools) want_tools="yes"
1474  ;;
1475  --disable-tools) want_tools="no"
1476  ;;
1477  --enable-seccomp) seccomp="yes"
1478  ;;
1479  --disable-seccomp) seccomp="no"
1480  ;;
1481  --disable-glusterfs) glusterfs="no"
1482  ;;
1483  --disable-avx2) avx2_opt="no"
1484  ;;
1485  --enable-avx2) avx2_opt="yes"
1486  ;;
1487  --disable-avx512f) avx512f_opt="no"
1488  ;;
1489  --enable-avx512f) avx512f_opt="yes"
1490  ;;
1491
1492  --enable-glusterfs) glusterfs="yes"
1493  ;;
1494  --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1495      echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1496  ;;
1497  --enable-vhdx|--disable-vhdx)
1498      echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1499  ;;
1500  --enable-uuid|--disable-uuid)
1501      echo "$0: $opt is obsolete, UUID support is always built" >&2
1502  ;;
1503  --disable-gtk) gtk="no"
1504  ;;
1505  --enable-gtk) gtk="yes"
1506  ;;
1507  --tls-priority=*) tls_priority="$optarg"
1508  ;;
1509  --disable-gnutls) gnutls="no"
1510  ;;
1511  --enable-gnutls) gnutls="yes"
1512  ;;
1513  --disable-nettle) nettle="no"
1514  ;;
1515  --enable-nettle) nettle="yes"
1516  ;;
1517  --disable-gcrypt) gcrypt="no"
1518  ;;
1519  --enable-gcrypt) gcrypt="yes"
1520  ;;
1521  --disable-auth-pam) auth_pam="no"
1522  ;;
1523  --enable-auth-pam) auth_pam="yes"
1524  ;;
1525  --enable-rdma) rdma="yes"
1526  ;;
1527  --disable-rdma) rdma="no"
1528  ;;
1529  --enable-pvrdma) pvrdma="yes"
1530  ;;
1531  --disable-pvrdma) pvrdma="no"
1532  ;;
1533  --disable-vte) vte="no"
1534  ;;
1535  --enable-vte) vte="yes"
1536  ;;
1537  --disable-virglrenderer) virglrenderer="no"
1538  ;;
1539  --enable-virglrenderer) virglrenderer="yes"
1540  ;;
1541  --disable-tpm) tpm="no"
1542  ;;
1543  --enable-tpm) tpm="yes"
1544  ;;
1545  --disable-libssh) libssh="no"
1546  ;;
1547  --enable-libssh) libssh="yes"
1548  ;;
1549  --disable-live-block-migration) live_block_migration="no"
1550  ;;
1551  --enable-live-block-migration) live_block_migration="yes"
1552  ;;
1553  --disable-numa) numa="no"
1554  ;;
1555  --enable-numa) numa="yes"
1556  ;;
1557  --disable-libxml2) libxml2="no"
1558  ;;
1559  --enable-libxml2) libxml2="yes"
1560  ;;
1561  --disable-tcmalloc) tcmalloc="no"
1562  ;;
1563  --enable-tcmalloc) tcmalloc="yes"
1564  ;;
1565  --disable-jemalloc) jemalloc="no"
1566  ;;
1567  --enable-jemalloc) jemalloc="yes"
1568  ;;
1569  --disable-replication) replication="no"
1570  ;;
1571  --enable-replication) replication="yes"
1572  ;;
1573  --disable-bochs) bochs="no"
1574  ;;
1575  --enable-bochs) bochs="yes"
1576  ;;
1577  --disable-cloop) cloop="no"
1578  ;;
1579  --enable-cloop) cloop="yes"
1580  ;;
1581  --disable-dmg) dmg="no"
1582  ;;
1583  --enable-dmg) dmg="yes"
1584  ;;
1585  --disable-qcow1) qcow1="no"
1586  ;;
1587  --enable-qcow1) qcow1="yes"
1588  ;;
1589  --disable-vdi) vdi="no"
1590  ;;
1591  --enable-vdi) vdi="yes"
1592  ;;
1593  --disable-vvfat) vvfat="no"
1594  ;;
1595  --enable-vvfat) vvfat="yes"
1596  ;;
1597  --disable-qed) qed="no"
1598  ;;
1599  --enable-qed) qed="yes"
1600  ;;
1601  --disable-parallels) parallels="no"
1602  ;;
1603  --enable-parallels) parallels="yes"
1604  ;;
1605  --disable-sheepdog) sheepdog="no"
1606  ;;
1607  --enable-sheepdog) sheepdog="yes"
1608  ;;
1609  --disable-vhost-user) vhost_user="no"
1610  ;;
1611  --enable-vhost-user) vhost_user="yes"
1612  ;;
1613  --disable-vhost-vdpa) vhost_vdpa="no"
1614  ;;
1615  --enable-vhost-vdpa) vhost_vdpa="yes"
1616  ;;
1617  --disable-vhost-kernel) vhost_kernel="no"
1618  ;;
1619  --enable-vhost-kernel) vhost_kernel="yes"
1620  ;;
1621  --disable-capstone) capstone="no"
1622  ;;
1623  --enable-capstone) capstone="yes"
1624  ;;
1625  --enable-capstone=git) capstone="git"
1626  ;;
1627  --enable-capstone=system) capstone="system"
1628  ;;
1629  --with-git=*) git="$optarg"
1630  ;;
1631  --enable-git-update) git_update=yes
1632  ;;
1633  --disable-git-update) git_update=no
1634  ;;
1635  --enable-debug-mutex) debug_mutex=yes
1636  ;;
1637  --disable-debug-mutex) debug_mutex=no
1638  ;;
1639  --enable-libpmem) libpmem=yes
1640  ;;
1641  --disable-libpmem) libpmem=no
1642  ;;
1643  --enable-xkbcommon) xkbcommon="enabled"
1644  ;;
1645  --disable-xkbcommon) xkbcommon="disabled"
1646  ;;
1647  --enable-plugins) plugins="yes"
1648  ;;
1649  --disable-plugins) plugins="no"
1650  ;;
1651  --enable-containers) use_containers="yes"
1652  ;;
1653  --disable-containers) use_containers="no"
1654  ;;
1655  --enable-fuzzing) fuzzing=yes
1656  ;;
1657  --disable-fuzzing) fuzzing=no
1658  ;;
1659  --gdb=*) gdb_bin="$optarg"
1660  ;;
1661  --enable-rng-none) rng_none=yes
1662  ;;
1663  --disable-rng-none) rng_none=no
1664  ;;
1665  --enable-keyring) secret_keyring="yes"
1666  ;;
1667  --disable-keyring) secret_keyring="no"
1668  ;;
1669  --enable-libdaxctl) libdaxctl=yes
1670  ;;
1671  --disable-libdaxctl) libdaxctl=no
1672  ;;
1673  *)
1674      echo "ERROR: unknown option $opt"
1675      echo "Try '$0 --help' for more information"
1676      exit 1
1677  ;;
1678  esac
1679done
1680
1681libdir="${libdir:-$prefix/lib}"
1682libexecdir="${libexecdir:-$prefix/libexec}"
1683includedir="${includedir:-$prefix/include}"
1684
1685if test "$mingw32" = "yes" ; then
1686    mandir="$prefix"
1687    datadir="$prefix"
1688    qemu_docdir="$prefix"
1689    bindir="$prefix"
1690    sysconfdir="$prefix"
1691    local_statedir=
1692else
1693    mandir="${mandir:-$prefix/share/man}"
1694    datadir="${datadir:-$prefix/share}"
1695    qemu_docdir="${qemu_docdir:-$prefix/share/doc/qemu}"
1696    bindir="${bindir:-$prefix/bin}"
1697    sysconfdir="${sysconfdir:-$prefix/etc}"
1698    local_statedir="${local_statedir:-$prefix/var}"
1699fi
1700
1701case "$cpu" in
1702    ppc)
1703           CPU_CFLAGS="-m32"
1704           QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1705           ;;
1706    ppc64)
1707           CPU_CFLAGS="-m64"
1708           QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1709           ;;
1710    sparc)
1711           CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1712           QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1713           ;;
1714    sparc64)
1715           CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1716           QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1717           ;;
1718    s390)
1719           CPU_CFLAGS="-m31"
1720           QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1721           ;;
1722    s390x)
1723           CPU_CFLAGS="-m64"
1724           QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1725           ;;
1726    i386)
1727           CPU_CFLAGS="-m32"
1728           QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1729           ;;
1730    x86_64)
1731           # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1732           # If we truly care, we should simply detect this case at
1733           # runtime and generate the fallback to serial emulation.
1734           CPU_CFLAGS="-m64 -mcx16"
1735           QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1736           ;;
1737    x32)
1738           CPU_CFLAGS="-mx32"
1739           QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1740           ;;
1741    # No special flags required for other host CPUs
1742esac
1743
1744eval "cross_cc_${cpu}=\$host_cc"
1745cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1746QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1747
1748# For user-mode emulation the host arch has to be one we explicitly
1749# support, even if we're using TCI.
1750if [ "$ARCH" = "unknown" ]; then
1751  bsd_user="no"
1752  linux_user="no"
1753fi
1754
1755if [ "$bsd_user" = "no" -a "$linux_user" = "no" -a "$softmmu" = "no" ] ; then
1756  tcg="no"
1757fi
1758
1759default_target_list=""
1760
1761mak_wilds=""
1762
1763if [ "$softmmu" = "yes" ]; then
1764    mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1765fi
1766if [ "$linux_user" = "yes" ]; then
1767    mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1768fi
1769if [ "$bsd_user" = "yes" ]; then
1770    mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1771fi
1772
1773if test -z "$target_list_exclude"; then
1774    for config in $mak_wilds; do
1775        default_target_list="${default_target_list} $(basename "$config" .mak)"
1776    done
1777else
1778    exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1779    for config in $mak_wilds; do
1780        target="$(basename "$config" .mak)"
1781        exclude="no"
1782        for excl in $exclude_list; do
1783            if test "$excl" = "$target"; then
1784                exclude="yes"
1785                break;
1786            fi
1787        done
1788        if test "$exclude" = "no"; then
1789            default_target_list="${default_target_list} $target"
1790        fi
1791    done
1792fi
1793
1794# Enumerate public trace backends for --help output
1795trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1796
1797if test x"$show_help" = x"yes" ; then
1798cat << EOF
1799
1800Usage: configure [options]
1801Options: [defaults in brackets after descriptions]
1802
1803Standard options:
1804  --help                   print this message
1805  --prefix=PREFIX          install in PREFIX [$prefix]
1806  --interp-prefix=PREFIX   where to find shared libraries, etc.
1807                           use %M for cpu name [$interp_prefix]
1808  --target-list=LIST       set target list (default: build everything)
1809$(echo Available targets: $default_target_list | \
1810  fold -s -w 53 | sed -e 's/^/                           /')
1811  --target-list-exclude=LIST exclude a set of targets from the default target-list
1812
1813Advanced options (experts only):
1814  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1815  --cc=CC                  use C compiler CC [$cc]
1816  --iasl=IASL              use ACPI compiler IASL [$iasl]
1817  --host-cc=CC             use C compiler CC [$host_cc] for code run at
1818                           build time
1819  --cxx=CXX                use C++ compiler CXX [$cxx]
1820  --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1821  --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1822  --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1823  --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1824  --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1825  --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1826  --make=MAKE              use specified make [$make]
1827  --install=INSTALL        use specified install [$install]
1828  --python=PYTHON          use specified python [$python]
1829  --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1830  --meson=MESON            use specified meson [$meson]
1831  --ninja=NINJA            use specified ninja [$ninja]
1832  --smbd=SMBD              use specified smbd [$smbd]
1833  --with-git=GIT           use specified git [$git]
1834  --static                 enable static build [$static]
1835  --mandir=PATH            install man pages in PATH
1836  --datadir=PATH           install firmware in PATH$confsuffix
1837  --docdir=PATH            install documentation in PATH$confsuffix
1838  --bindir=PATH            install binaries in PATH
1839  --libdir=PATH            install libraries in PATH
1840  --libexecdir=PATH        install helper binaries in PATH
1841  --sysconfdir=PATH        install config in PATH$confsuffix
1842  --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1843  --firmwarepath=PATH      search PATH for firmware files
1844  --efi-aarch64=PATH       PATH of efi file to use for aarch64 VMs.
1845  --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1846  --with-pkgversion=VERS   use specified string as sub-version of the package
1847  --enable-debug           enable common debug build options
1848  --enable-sanitizers      enable default sanitizers
1849  --enable-tsan            enable thread sanitizer
1850  --disable-strip          disable stripping binaries
1851  --disable-werror         disable compilation abort on warning
1852  --disable-stack-protector disable compiler-provided stack protection
1853  --audio-drv-list=LIST    set audio drivers list:
1854                           Available drivers: $audio_possible_drivers
1855  --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1856  --block-drv-rw-whitelist=L
1857                           set block driver read-write whitelist
1858                           (affects only QEMU, not qemu-img)
1859  --block-drv-ro-whitelist=L
1860                           set block driver read-only whitelist
1861                           (affects only QEMU, not qemu-img)
1862  --enable-trace-backends=B Set trace backend
1863                           Available backends: $trace_backend_list
1864  --with-trace-file=NAME   Full PATH,NAME of file to store traces
1865                           Default:trace-<pid>
1866  --disable-slirp          disable SLIRP userspace network connectivity
1867  --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1868  --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1869  --oss-lib                path to OSS library
1870  --cpu=CPU                Build for host CPU [$cpu]
1871  --with-coroutine=BACKEND coroutine backend. Supported options:
1872                           ucontext, sigaltstack, windows
1873  --enable-gcov            enable test coverage analysis with gcov
1874  --disable-blobs          disable installing provided firmware blobs
1875  --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1876  --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1877  --tls-priority           default TLS protocol/cipher priority string
1878  --enable-gprof           QEMU profiling with gprof
1879  --enable-profiler        profiler support
1880  --enable-debug-stack-usage
1881                           track the maximum stack usage of stacks created by qemu_alloc_stack
1882  --enable-plugins
1883                           enable plugins via shared library loading
1884  --disable-containers     don't use containers for cross-building
1885  --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1886
1887Optional features, enabled with --enable-FEATURE and
1888disabled with --disable-FEATURE, default is enabled if available:
1889
1890  system          all system emulation targets
1891  user            supported user emulation targets
1892  linux-user      all linux usermode emulation targets
1893  bsd-user        all BSD usermode emulation targets
1894  docs            build documentation
1895  guest-agent     build the QEMU Guest Agent
1896  guest-agent-msi build guest agent Windows MSI installation package
1897  pie             Position Independent Executables
1898  modules         modules support (non-Windows)
1899  module-upgrades try to load modules from alternate paths for upgrades
1900  debug-tcg       TCG debugging (default is disabled)
1901  debug-info      debugging information
1902  sparse          sparse checker
1903  safe-stack      SafeStack Stack Smash Protection. Depends on
1904                  clang/llvm >= 3.7 and requires coroutine backend ucontext.
1905
1906  gnutls          GNUTLS cryptography support
1907  nettle          nettle cryptography support
1908  gcrypt          libgcrypt cryptography support
1909  auth-pam        PAM access control
1910  sdl             SDL UI
1911  sdl-image       SDL Image support for icons
1912  gtk             gtk UI
1913  vte             vte support for the gtk UI
1914  curses          curses UI
1915  iconv           font glyph conversion support
1916  vnc             VNC UI support
1917  vnc-sasl        SASL encryption for VNC server
1918  vnc-jpeg        JPEG lossy compression for VNC server
1919  vnc-png         PNG compression for VNC server
1920  cocoa           Cocoa UI (Mac OS X only)
1921  virtfs          VirtFS
1922  mpath           Multipath persistent reservation passthrough
1923  xen             xen backend driver support
1924  xen-pci-passthrough    PCI passthrough support for Xen
1925  brlapi          BrlAPI (Braile)
1926  curl            curl connectivity
1927  membarrier      membarrier system call (for Linux 4.14+ or Windows)
1928  fdt             fdt device tree
1929  kvm             KVM acceleration support
1930  hax             HAX acceleration support
1931  hvf             Hypervisor.framework acceleration support
1932  whpx            Windows Hypervisor Platform acceleration support
1933  rdma            Enable RDMA-based migration
1934  pvrdma          Enable PVRDMA support
1935  vde             support for vde network
1936  netmap          support for netmap network
1937  linux-aio       Linux AIO support
1938  linux-io-uring  Linux io_uring support
1939  cap-ng          libcap-ng support
1940  attr            attr and xattr support
1941  vhost-net       vhost-net kernel acceleration support
1942  vhost-vsock     virtio sockets device support
1943  vhost-scsi      vhost-scsi kernel target support
1944  vhost-crypto    vhost-user-crypto backend support
1945  vhost-kernel    vhost kernel backend support
1946  vhost-user      vhost-user backend support
1947  vhost-vdpa      vhost-vdpa kernel backend support
1948  spice           spice
1949  rbd             rados block device (rbd)
1950  libiscsi        iscsi support
1951  libnfs          nfs support
1952  smartcard       smartcard support (libcacard)
1953  u2f             U2F support (u2f-emu)
1954  libusb          libusb (for usb passthrough)
1955  live-block-migration   Block migration in the main migration stream
1956  usb-redir       usb network redirection support
1957  lzo             support of lzo compression library
1958  snappy          support of snappy compression library
1959  bzip2           support of bzip2 compression library
1960                  (for reading bzip2-compressed dmg images)
1961  lzfse           support of lzfse compression library
1962                  (for reading lzfse-compressed dmg images)
1963  zstd            support for zstd compression library
1964                  (for migration compression and qcow2 cluster compression)
1965  seccomp         seccomp support
1966  coroutine-pool  coroutine freelist (better performance)
1967  glusterfs       GlusterFS backend
1968  tpm             TPM support
1969  libssh          ssh block device support
1970  numa            libnuma support
1971  libxml2         for Parallels image format
1972  tcmalloc        tcmalloc support
1973  jemalloc        jemalloc support
1974  avx2            AVX2 optimization support
1975  avx512f         AVX512F optimization support
1976  replication     replication support
1977  opengl          opengl support
1978  virglrenderer   virgl rendering support
1979  xfsctl          xfsctl support
1980  qom-cast-debug  cast debugging support
1981  tools           build qemu-io, qemu-nbd and qemu-img tools
1982  bochs           bochs image format support
1983  cloop           cloop image format support
1984  dmg             dmg image format support
1985  qcow1           qcow v1 image format support
1986  vdi             vdi image format support
1987  vvfat           vvfat image format support
1988  qed             qed image format support
1989  parallels       parallels image format support
1990  sheepdog        sheepdog block driver support
1991  crypto-afalg    Linux AF_ALG crypto backend driver
1992  capstone        capstone disassembler support
1993  debug-mutex     mutex debugging support
1994  libpmem         libpmem support
1995  xkbcommon       xkbcommon support
1996  rng-none        dummy RNG, avoid using /dev/(u)random and getrandom()
1997  libdaxctl       libdaxctl support
1998
1999NOTE: The object files are built at the place where configure is launched
2000EOF
2001exit 0
2002fi
2003
2004# Remove old dependency files to make sure that they get properly regenerated
2005rm -f */config-devices.mak.d
2006
2007if test -z "$python"
2008then
2009    error_exit "Python not found. Use --python=/path/to/python"
2010fi
2011
2012# Note that if the Python conditional here evaluates True we will exit
2013# with status 1 which is a shell 'false' value.
2014if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
2015  error_exit "Cannot use '$python', Python >= 3.5 is required." \
2016      "Use --python=/path/to/python to specify a supported Python."
2017fi
2018
2019# Preserve python version since some functionality is dependent on it
2020python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null)
2021
2022# Suppress writing compiled files
2023python="$python -B"
2024
2025if test -z "$meson"; then
2026    if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.1; then
2027        meson=meson
2028    elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
2029        meson=git
2030    elif test -e "${source_path}/meson/meson.py" ; then
2031        meson=internal
2032    else
2033        if test "$explicit_python" = yes; then
2034            error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
2035        else
2036            error_exit "Meson not found.  Use --meson=/path/to/meson"
2037        fi
2038    fi
2039else
2040    # Meson uses its own Python interpreter to invoke other Python scripts,
2041    # but the user wants to use the one they specified with --python.
2042    #
2043    # We do not want to override the distro Python interpreter (and sometimes
2044    # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
2045    # just require --meson=git|internal together with --python.
2046    if test "$explicit_python" = yes; then
2047        case "$meson" in
2048            git | internal) ;;
2049            *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
2050        esac
2051    fi
2052fi
2053
2054if test "$meson" = git; then
2055    git_submodules="${git_submodules} meson"
2056fi
2057if test "$git_update" = yes; then
2058    (cd "${source_path}" && GIT="$git" "./scripts/git-submodule.sh" update "$git_submodules")
2059fi
2060
2061case "$meson" in
2062    git | internal)
2063        if ! $python -c 'import pkg_resources' > /dev/null 2>&1; then
2064            error_exit "Python setuptools not found"
2065        fi
2066        meson="$python ${source_path}/meson/meson.py"
2067        ;;
2068    *) meson=$(command -v meson) ;;
2069esac
2070
2071# Probe for ninja (used for compdb)
2072
2073if test -z "$ninja"; then
2074    for c in ninja ninja-build samu; do
2075        if has $c; then
2076            ninja=$(command -v "$c")
2077            break
2078        fi
2079    done
2080fi
2081
2082# Check that the C compiler works. Doing this here before testing
2083# the host CPU ensures that we had a valid CC to autodetect the
2084# $cpu var (and we should bail right here if that's not the case).
2085# It also allows the help message to be printed without a CC.
2086write_c_skeleton;
2087if compile_object ; then
2088  : C compiler works ok
2089else
2090    error_exit "\"$cc\" either does not exist or does not work"
2091fi
2092if ! compile_prog ; then
2093    error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
2094fi
2095
2096# Now we have handled --enable-tcg-interpreter and know we're not just
2097# printing the help message, bail out if the host CPU isn't supported.
2098if test "$ARCH" = "unknown"; then
2099    if test "$tcg_interpreter" = "yes" ; then
2100        echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
2101    else
2102        error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
2103    fi
2104fi
2105
2106# Consult white-list to determine whether to enable werror
2107# by default.  Only enable by default for git builds
2108if test -z "$werror" ; then
2109    if test -e "$source_path/.git" && \
2110        { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
2111        werror="yes"
2112    else
2113        werror="no"
2114    fi
2115fi
2116
2117if test "$bogus_os" = "yes"; then
2118    # Now that we know that we're not printing the help and that
2119    # the compiler works (so the results of the check_defines we used
2120    # to identify the OS are reliable), if we didn't recognize the
2121    # host OS we should stop now.
2122    error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
2123fi
2124
2125# Check whether the compiler matches our minimum requirements:
2126cat > $TMPC << EOF
2127#if defined(__clang_major__) && defined(__clang_minor__)
2128# ifdef __apple_build_version__
2129#  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
2130#   error You need at least XCode Clang v5.1 to compile QEMU
2131#  endif
2132# else
2133#  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
2134#   error You need at least Clang v3.4 to compile QEMU
2135#  endif
2136# endif
2137#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
2138# if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
2139#  error You need at least GCC v4.8 to compile QEMU
2140# endif
2141#else
2142# error You either need GCC or Clang to compiler QEMU
2143#endif
2144int main (void) { return 0; }
2145EOF
2146if ! compile_prog "" "" ; then
2147    error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2148fi
2149
2150# Accumulate -Wfoo and -Wno-bar separately.
2151# We will list all of the enable flags first, and the disable flags second.
2152# Note that we do not add -Werror, because that would enable it for all
2153# configure tests. If a configure test failed due to -Werror this would
2154# just silently disable some features, so it's too error prone.
2155
2156warn_flags=
2157add_to warn_flags -Wold-style-declaration
2158add_to warn_flags -Wold-style-definition
2159add_to warn_flags -Wtype-limits
2160add_to warn_flags -Wformat-security
2161add_to warn_flags -Wformat-y2k
2162add_to warn_flags -Winit-self
2163add_to warn_flags -Wignored-qualifiers
2164add_to warn_flags -Wempty-body
2165add_to warn_flags -Wnested-externs
2166add_to warn_flags -Wendif-labels
2167add_to warn_flags -Wexpansion-to-defined
2168
2169nowarn_flags=
2170add_to nowarn_flags -Wno-initializer-overrides
2171add_to nowarn_flags -Wno-missing-include-dirs
2172add_to nowarn_flags -Wno-shift-negative-value
2173add_to nowarn_flags -Wno-string-plus-int
2174add_to nowarn_flags -Wno-typedef-redefinition
2175add_to nowarn_flags -Wno-tautological-type-limit-compare
2176add_to nowarn_flags -Wno-psabi
2177
2178gcc_flags="$warn_flags $nowarn_flags"
2179
2180cc_has_warning_flag() {
2181    write_c_skeleton;
2182
2183    # Use the positive sense of the flag when testing for -Wno-wombat
2184    # support (gcc will happily accept the -Wno- form of unknown
2185    # warning options).
2186    optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2187    compile_prog "-Werror $optflag" ""
2188}
2189
2190for flag in $gcc_flags; do
2191    if cc_has_warning_flag $flag ; then
2192        QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2193    fi
2194done
2195
2196if test "$stack_protector" != "no"; then
2197  cat > $TMPC << EOF
2198int main(int argc, char *argv[])
2199{
2200    char arr[64], *p = arr, *c = argv[0];
2201    while (*c) {
2202        *p++ = *c++;
2203    }
2204    return 0;
2205}
2206EOF
2207  gcc_flags="-fstack-protector-strong -fstack-protector-all"
2208  sp_on=0
2209  for flag in $gcc_flags; do
2210    # We need to check both a compile and a link, since some compiler
2211    # setups fail only on a .c->.o compile and some only at link time
2212    if compile_object "-Werror $flag" &&
2213       compile_prog "-Werror $flag" ""; then
2214      QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2215      QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2216      sp_on=1
2217      break
2218    fi
2219  done
2220  if test "$stack_protector" = yes; then
2221    if test $sp_on = 0; then
2222      error_exit "Stack protector not supported"
2223    fi
2224  fi
2225fi
2226
2227# Disable -Wmissing-braces on older compilers that warn even for
2228# the "universal" C zero initializer {0}.
2229cat > $TMPC << EOF
2230struct {
2231  int a[2];
2232} x = {0};
2233EOF
2234if compile_object "-Werror" "" ; then
2235  :
2236else
2237  QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2238fi
2239
2240# Our module code doesn't support Windows
2241if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2242  error_exit "Modules are not available for Windows"
2243fi
2244
2245# module_upgrades is only reasonable if modules are enabled
2246if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2247  error_exit "Can't enable module-upgrades as Modules are not enabled"
2248fi
2249
2250# Static linking is not possible with modules or PIE
2251if test "$static" = "yes" ; then
2252  if test "$modules" = "yes" ; then
2253    error_exit "static and modules are mutually incompatible"
2254  fi
2255fi
2256
2257# Unconditional check for compiler __thread support
2258  cat > $TMPC << EOF
2259static __thread int tls_var;
2260int main(void) { return tls_var; }
2261EOF
2262
2263if ! compile_prog "-Werror" "" ; then
2264    error_exit "Your compiler does not support the __thread specifier for " \
2265	"Thread-Local Storage (TLS). Please upgrade to a version that does."
2266fi
2267
2268cat > $TMPC << EOF
2269
2270#ifdef __linux__
2271#  define THREAD __thread
2272#else
2273#  define THREAD
2274#endif
2275static THREAD int tls_var;
2276int main(void) { return tls_var; }
2277EOF
2278
2279# Check we support --no-pie first; we will need this for building ROMs.
2280if compile_prog "-Werror -fno-pie" "-no-pie"; then
2281  CFLAGS_NOPIE="-fno-pie"
2282  LDFLAGS_NOPIE="-no-pie"
2283fi
2284
2285if test "$static" = "yes"; then
2286  if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2287    CFLAGS="-fPIE -DPIE $CFLAGS"
2288    QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2289    pie="yes"
2290  elif test "$pie" = "yes"; then
2291    error_exit "-static-pie not available due to missing toolchain support"
2292  else
2293    QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2294    pie="no"
2295  fi
2296elif test "$pie" = "no"; then
2297  CFLAGS="$CFLAGS_NOPIE $CFLAGS"
2298  LDFLAGS="$LDFLAGS_NOPIE $LDFLAGS"
2299elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2300  CFLAGS="-fPIE -DPIE $CFLAGS"
2301  LDFLAGS="-pie $LDFLAGS"
2302  pie="yes"
2303elif test "$pie" = "yes"; then
2304  error_exit "PIE not available due to missing toolchain support"
2305else
2306  echo "Disabling PIE due to missing toolchain support"
2307  pie="no"
2308fi
2309
2310# Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2311# The combination is known as "full relro", because .got.plt is read-only too.
2312if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2313  QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2314fi
2315
2316##########################################
2317# __sync_fetch_and_and requires at least -march=i486. Many toolchains
2318# use i686 as default anyway, but for those that don't, an explicit
2319# specification is necessary
2320
2321if test "$cpu" = "i386"; then
2322  cat > $TMPC << EOF
2323static int sfaa(int *ptr)
2324{
2325  return __sync_fetch_and_and(ptr, 0);
2326}
2327
2328int main(void)
2329{
2330  int val = 42;
2331  val = __sync_val_compare_and_swap(&val, 0, 1);
2332  sfaa(&val);
2333  return val;
2334}
2335EOF
2336  if ! compile_prog "" "" ; then
2337    QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2338  fi
2339fi
2340
2341#########################################
2342# Solaris specific configure tool chain decisions
2343
2344if test "$solaris" = "yes" ; then
2345  if has $install; then
2346    :
2347  else
2348    error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2349        "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2350        "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2351  fi
2352  if test "$(path_of $install)" = "/usr/sbin/install" ; then
2353    error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2354        "try ginstall from the GNU fileutils available from www.blastwave.org" \
2355        "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2356  fi
2357  if has ar; then
2358    :
2359  else
2360    if test -f /usr/ccs/bin/ar ; then
2361      error_exit "No path includes ar" \
2362          "Add /usr/ccs/bin to your path and rerun configure"
2363    fi
2364    error_exit "No path includes ar"
2365  fi
2366fi
2367
2368if test -z "${target_list+xxx}" ; then
2369    for target in $default_target_list; do
2370        supported_target $target 2>/dev/null && \
2371            target_list="$target_list $target"
2372    done
2373    target_list="${target_list# }"
2374else
2375    target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2376    for target in $target_list; do
2377        # Check that we recognised the target name; this allows a more
2378        # friendly error message than if we let it fall through.
2379        case " $default_target_list " in
2380            *" $target "*)
2381                ;;
2382            *)
2383                error_exit "Unknown target name '$target'"
2384                ;;
2385        esac
2386        supported_target $target || exit 1
2387    done
2388fi
2389
2390# see if system emulation was really requested
2391case " $target_list " in
2392  *"-softmmu "*) softmmu=yes
2393  ;;
2394  *) softmmu=no
2395  ;;
2396esac
2397
2398for target in $target_list; do
2399  case "$target" in
2400    arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2401      edk2_blobs="yes"
2402      ;;
2403  esac
2404done
2405# The EDK2 binaries are compressed with bzip2
2406if test "$edk2_blobs" = "yes" && ! has bzip2; then
2407  error_exit "The bzip2 program is required for building QEMU"
2408fi
2409
2410feature_not_found() {
2411  feature=$1
2412  remedy=$2
2413
2414  error_exit "User requested feature $feature" \
2415      "configure was not able to find it." \
2416      "$remedy"
2417}
2418
2419# ---
2420# big/little endian test
2421cat > $TMPC << EOF
2422short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2423short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2424extern int foo(short *, short *);
2425int main(int argc, char *argv[]) {
2426    return foo(big_endian, little_endian);
2427}
2428EOF
2429
2430if compile_object ; then
2431    if strings -a $TMPO | grep -q BiGeNdIaN ; then
2432        bigendian="yes"
2433    elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2434        bigendian="no"
2435    else
2436        echo big/little test failed
2437    fi
2438else
2439    echo big/little test failed
2440fi
2441
2442##########################################
2443# system tools
2444if test -z "$want_tools"; then
2445    if test "$softmmu" = "no"; then
2446        want_tools=no
2447    else
2448        want_tools=yes
2449    fi
2450fi
2451
2452##########################################
2453# cocoa implies not SDL or GTK
2454# (the cocoa UI code currently assumes it is always the active UI
2455# and doesn't interact well with other UI frontend code)
2456if test "$cocoa" = "yes"; then
2457    if test "$sdl" = "yes"; then
2458        error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2459    fi
2460    if test "$gtk" = "yes"; then
2461        error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2462    fi
2463    gtk=no
2464    sdl=disabled
2465fi
2466
2467# Some versions of Mac OS X incorrectly define SIZE_MAX
2468cat > $TMPC << EOF
2469#include <stdint.h>
2470#include <stdio.h>
2471int main(int argc, char *argv[]) {
2472    return printf("%zu", SIZE_MAX);
2473}
2474EOF
2475have_broken_size_max=no
2476if ! compile_object -Werror ; then
2477    have_broken_size_max=yes
2478fi
2479
2480##########################################
2481# L2TPV3 probe
2482
2483cat > $TMPC <<EOF
2484#include <sys/socket.h>
2485#include <linux/ip.h>
2486int main(void) { return sizeof(struct mmsghdr); }
2487EOF
2488if compile_prog "" "" ; then
2489  l2tpv3=yes
2490else
2491  l2tpv3=no
2492fi
2493
2494if check_include "pty.h" ; then
2495  pty_h=yes
2496else
2497  pty_h=no
2498fi
2499
2500cat > $TMPC <<EOF
2501#include <sys/mman.h>
2502int main(int argc, char *argv[]) {
2503    return mlockall(MCL_FUTURE);
2504}
2505EOF
2506if compile_prog "" "" ; then
2507  have_mlockall=yes
2508else
2509  have_mlockall=no
2510fi
2511
2512#########################################
2513# vhost interdependencies and host support
2514
2515# vhost backends
2516test "$vhost_user" = "" && vhost_user=yes
2517if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2518  error_exit "vhost-user isn't available on win32"
2519fi
2520test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2521if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2522  error_exit "vhost-vdpa is only available on Linux"
2523fi
2524test "$vhost_kernel" = "" && vhost_kernel=$linux
2525if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2526  error_exit "vhost-kernel is only available on Linux"
2527fi
2528
2529# vhost-kernel devices
2530test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2531if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2532  error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2533fi
2534test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2535if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2536  error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2537fi
2538
2539# vhost-user backends
2540test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2541if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2542  error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2543fi
2544test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2545if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2546  error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2547fi
2548test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2549if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2550  error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2551fi
2552#vhost-vdpa backends
2553test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2554if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2555  error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2556fi
2557
2558# OR the vhost-kernel and vhost-user values for simplicity
2559if test "$vhost_net" = ""; then
2560  test "$vhost_net_user" = "yes" && vhost_net=yes
2561  test "$vhost_kernel" = "yes" && vhost_net=yes
2562fi
2563
2564##########################################
2565# MinGW / Mingw-w64 localtime_r/gmtime_r check
2566
2567if test "$mingw32" = "yes"; then
2568    # Some versions of MinGW / Mingw-w64 lack localtime_r
2569    # and gmtime_r entirely.
2570    #
2571    # Some versions of Mingw-w64 define a macro for
2572    # localtime_r/gmtime_r.
2573    #
2574    # Some versions of Mingw-w64 will define functions
2575    # for localtime_r/gmtime_r, but only if you have
2576    # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2577    # though, unistd.h and pthread.h both define
2578    # that for you.
2579    #
2580    # So this #undef localtime_r and #include <unistd.h>
2581    # are not in fact redundant.
2582cat > $TMPC << EOF
2583#include <unistd.h>
2584#include <time.h>
2585#undef localtime_r
2586int main(void) { localtime_r(NULL, NULL); return 0; }
2587EOF
2588    if compile_prog "" "" ; then
2589        localtime_r="yes"
2590    else
2591        localtime_r="no"
2592    fi
2593fi
2594
2595##########################################
2596# pkg-config probe
2597
2598if ! has "$pkg_config_exe"; then
2599  error_exit "pkg-config binary '$pkg_config_exe' not found"
2600fi
2601
2602##########################################
2603# NPTL probe
2604
2605if test "$linux_user" = "yes"; then
2606  cat > $TMPC <<EOF
2607#include <sched.h>
2608#include <linux/futex.h>
2609int main(void) {
2610#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2611#error bork
2612#endif
2613  return 0;
2614}
2615EOF
2616  if ! compile_object ; then
2617    feature_not_found "nptl" "Install glibc and linux kernel headers."
2618  fi
2619fi
2620
2621##########################################
2622# lzo check
2623
2624if test "$lzo" != "no" ; then
2625    cat > $TMPC << EOF
2626#include <lzo/lzo1x.h>
2627int main(void) { lzo_version(); return 0; }
2628EOF
2629    if compile_prog "" "-llzo2" ; then
2630        lzo_libs="-llzo2"
2631        lzo="yes"
2632    else
2633        if test "$lzo" = "yes"; then
2634            feature_not_found "liblzo2" "Install liblzo2 devel"
2635        fi
2636        lzo="no"
2637    fi
2638fi
2639
2640##########################################
2641# snappy check
2642
2643if test "$snappy" != "no" ; then
2644    cat > $TMPC << EOF
2645#include <snappy-c.h>
2646int main(void) { snappy_max_compressed_length(4096); return 0; }
2647EOF
2648    if compile_prog "" "-lsnappy" ; then
2649        snappy_libs='-lsnappy'
2650        snappy="yes"
2651    else
2652        if test "$snappy" = "yes"; then
2653            feature_not_found "libsnappy" "Install libsnappy devel"
2654        fi
2655        snappy="no"
2656    fi
2657fi
2658
2659##########################################
2660# bzip2 check
2661
2662if test "$bzip2" != "no" ; then
2663    cat > $TMPC << EOF
2664#include <bzlib.h>
2665int main(void) { BZ2_bzlibVersion(); return 0; }
2666EOF
2667    if compile_prog "" "-lbz2" ; then
2668        bzip2="yes"
2669    else
2670        if test "$bzip2" = "yes"; then
2671            feature_not_found "libbzip2" "Install libbzip2 devel"
2672        fi
2673        bzip2="no"
2674    fi
2675fi
2676
2677##########################################
2678# lzfse check
2679
2680if test "$lzfse" != "no" ; then
2681    cat > $TMPC << EOF
2682#include <lzfse.h>
2683int main(void) { lzfse_decode_scratch_size(); return 0; }
2684EOF
2685    if compile_prog "" "-llzfse" ; then
2686        lzfse="yes"
2687    else
2688        if test "$lzfse" = "yes"; then
2689            feature_not_found "lzfse" "Install lzfse devel"
2690        fi
2691        lzfse="no"
2692    fi
2693fi
2694
2695##########################################
2696# zstd check
2697
2698if test "$zstd" != "no" ; then
2699    libzstd_minver="1.4.0"
2700    if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2701        zstd_cflags="$($pkg_config --cflags libzstd)"
2702        zstd_libs="$($pkg_config --libs libzstd)"
2703        zstd="yes"
2704    else
2705        if test "$zstd" = "yes" ; then
2706            feature_not_found "libzstd" "Install libzstd devel"
2707        fi
2708        zstd="no"
2709    fi
2710fi
2711
2712##########################################
2713# libseccomp check
2714
2715if test "$seccomp" != "no" ; then
2716    libseccomp_minver="2.3.0"
2717    if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2718        seccomp_cflags="$($pkg_config --cflags libseccomp)"
2719        seccomp_libs="$($pkg_config --libs libseccomp)"
2720        seccomp="yes"
2721    else
2722        if test "$seccomp" = "yes" ; then
2723            feature_not_found "libseccomp" \
2724                 "Install libseccomp devel >= $libseccomp_minver"
2725        fi
2726        seccomp="no"
2727    fi
2728fi
2729##########################################
2730# xen probe
2731
2732if test "$xen" != "no" ; then
2733  # Check whether Xen library path is specified via --extra-ldflags to avoid
2734  # overriding this setting with pkg-config output. If not, try pkg-config
2735  # to obtain all needed flags.
2736
2737  if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2738     $pkg_config --exists xencontrol ; then
2739    xen_ctrl_version="$(printf '%d%02d%02d' \
2740      $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2741    xen=yes
2742    xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2743    xen_pc="$xen_pc xenevtchn xendevicemodel"
2744    if $pkg_config --exists xentoolcore; then
2745      xen_pc="$xen_pc xentoolcore"
2746    fi
2747    QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2748    xen_cflags="$($pkg_config --cflags $xen_pc)"
2749    xen_libs="$($pkg_config --libs $xen_pc)"
2750  else
2751
2752    xen_libs="-lxenstore -lxenctrl -lxenguest"
2753    xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2754
2755    # First we test whether Xen headers and libraries are available.
2756    # If no, we are done and there is no Xen support.
2757    # If yes, more tests are run to detect the Xen version.
2758
2759    # Xen (any)
2760    cat > $TMPC <<EOF
2761#include <xenctrl.h>
2762int main(void) {
2763  return 0;
2764}
2765EOF
2766    if ! compile_prog "" "$xen_libs" ; then
2767      # Xen not found
2768      if test "$xen" = "yes" ; then
2769        feature_not_found "xen" "Install xen devel"
2770      fi
2771      xen=no
2772
2773    # Xen unstable
2774    elif
2775        cat > $TMPC <<EOF &&
2776#undef XC_WANT_COMPAT_DEVICEMODEL_API
2777#define __XEN_TOOLS__
2778#include <xendevicemodel.h>
2779#include <xenforeignmemory.h>
2780int main(void) {
2781  xendevicemodel_handle *xd;
2782  xenforeignmemory_handle *xfmem;
2783
2784  xd = xendevicemodel_open(0, 0);
2785  xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2786
2787  xfmem = xenforeignmemory_open(0, 0);
2788  xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2789
2790  return 0;
2791}
2792EOF
2793        compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2794      then
2795      xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2796      xen_ctrl_version=41100
2797      xen=yes
2798    elif
2799        cat > $TMPC <<EOF &&
2800#undef XC_WANT_COMPAT_MAP_FOREIGN_API
2801#include <xenforeignmemory.h>
2802#include <xentoolcore.h>
2803int main(void) {
2804  xenforeignmemory_handle *xfmem;
2805
2806  xfmem = xenforeignmemory_open(0, 0);
2807  xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2808  xentoolcore_restrict_all(0);
2809
2810  return 0;
2811}
2812EOF
2813        compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2814      then
2815      xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2816      xen_ctrl_version=41000
2817      xen=yes
2818    elif
2819        cat > $TMPC <<EOF &&
2820#undef XC_WANT_COMPAT_DEVICEMODEL_API
2821#define __XEN_TOOLS__
2822#include <xendevicemodel.h>
2823int main(void) {
2824  xendevicemodel_handle *xd;
2825
2826  xd = xendevicemodel_open(0, 0);
2827  xendevicemodel_close(xd);
2828
2829  return 0;
2830}
2831EOF
2832        compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2833      then
2834      xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2835      xen_ctrl_version=40900
2836      xen=yes
2837    elif
2838        cat > $TMPC <<EOF &&
2839/*
2840 * If we have stable libs the we don't want the libxc compat
2841 * layers, regardless of what CFLAGS we may have been given.
2842 *
2843 * Also, check if xengnttab_grant_copy_segment_t is defined and
2844 * grant copy operation is implemented.
2845 */
2846#undef XC_WANT_COMPAT_EVTCHN_API
2847#undef XC_WANT_COMPAT_GNTTAB_API
2848#undef XC_WANT_COMPAT_MAP_FOREIGN_API
2849#include <xenctrl.h>
2850#include <xenstore.h>
2851#include <xenevtchn.h>
2852#include <xengnttab.h>
2853#include <xenforeignmemory.h>
2854#include <stdint.h>
2855#include <xen/hvm/hvm_info_table.h>
2856#if !defined(HVM_MAX_VCPUS)
2857# error HVM_MAX_VCPUS not defined
2858#endif
2859int main(void) {
2860  xc_interface *xc = NULL;
2861  xenforeignmemory_handle *xfmem;
2862  xenevtchn_handle *xe;
2863  xengnttab_handle *xg;
2864  xengnttab_grant_copy_segment_t* seg = NULL;
2865
2866  xs_daemon_open();
2867
2868  xc = xc_interface_open(0, 0, 0);
2869  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2870  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2871  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2872  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2873
2874  xfmem = xenforeignmemory_open(0, 0);
2875  xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2876
2877  xe = xenevtchn_open(0, 0);
2878  xenevtchn_fd(xe);
2879
2880  xg = xengnttab_open(0, 0);
2881  xengnttab_grant_copy(xg, 0, seg);
2882
2883  return 0;
2884}
2885EOF
2886        compile_prog "" "$xen_libs $xen_stable_libs"
2887      then
2888      xen_ctrl_version=40800
2889      xen=yes
2890    elif
2891        cat > $TMPC <<EOF &&
2892/*
2893 * If we have stable libs the we don't want the libxc compat
2894 * layers, regardless of what CFLAGS we may have been given.
2895 */
2896#undef XC_WANT_COMPAT_EVTCHN_API
2897#undef XC_WANT_COMPAT_GNTTAB_API
2898#undef XC_WANT_COMPAT_MAP_FOREIGN_API
2899#include <xenctrl.h>
2900#include <xenstore.h>
2901#include <xenevtchn.h>
2902#include <xengnttab.h>
2903#include <xenforeignmemory.h>
2904#include <stdint.h>
2905#include <xen/hvm/hvm_info_table.h>
2906#if !defined(HVM_MAX_VCPUS)
2907# error HVM_MAX_VCPUS not defined
2908#endif
2909int main(void) {
2910  xc_interface *xc = NULL;
2911  xenforeignmemory_handle *xfmem;
2912  xenevtchn_handle *xe;
2913  xengnttab_handle *xg;
2914
2915  xs_daemon_open();
2916
2917  xc = xc_interface_open(0, 0, 0);
2918  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2919  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2920  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2921  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2922
2923  xfmem = xenforeignmemory_open(0, 0);
2924  xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2925
2926  xe = xenevtchn_open(0, 0);
2927  xenevtchn_fd(xe);
2928
2929  xg = xengnttab_open(0, 0);
2930  xengnttab_map_grant_ref(xg, 0, 0, 0);
2931
2932  return 0;
2933}
2934EOF
2935        compile_prog "" "$xen_libs $xen_stable_libs"
2936      then
2937      xen_ctrl_version=40701
2938      xen=yes
2939
2940    # Xen 4.6
2941    elif
2942        cat > $TMPC <<EOF &&
2943#include <xenctrl.h>
2944#include <xenstore.h>
2945#include <stdint.h>
2946#include <xen/hvm/hvm_info_table.h>
2947#if !defined(HVM_MAX_VCPUS)
2948# error HVM_MAX_VCPUS not defined
2949#endif
2950int main(void) {
2951  xc_interface *xc;
2952  xs_daemon_open();
2953  xc = xc_interface_open(0, 0, 0);
2954  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2955  xc_gnttab_open(NULL, 0);
2956  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2957  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2958  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2959  xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2960  return 0;
2961}
2962EOF
2963        compile_prog "" "$xen_libs"
2964      then
2965      xen_ctrl_version=40600
2966      xen=yes
2967
2968    # Xen 4.5
2969    elif
2970        cat > $TMPC <<EOF &&
2971#include <xenctrl.h>
2972#include <xenstore.h>
2973#include <stdint.h>
2974#include <xen/hvm/hvm_info_table.h>
2975#if !defined(HVM_MAX_VCPUS)
2976# error HVM_MAX_VCPUS not defined
2977#endif
2978int main(void) {
2979  xc_interface *xc;
2980  xs_daemon_open();
2981  xc = xc_interface_open(0, 0, 0);
2982  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2983  xc_gnttab_open(NULL, 0);
2984  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2985  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2986  xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2987  return 0;
2988}
2989EOF
2990        compile_prog "" "$xen_libs"
2991      then
2992      xen_ctrl_version=40500
2993      xen=yes
2994
2995    elif
2996        cat > $TMPC <<EOF &&
2997#include <xenctrl.h>
2998#include <xenstore.h>
2999#include <stdint.h>
3000#include <xen/hvm/hvm_info_table.h>
3001#if !defined(HVM_MAX_VCPUS)
3002# error HVM_MAX_VCPUS not defined
3003#endif
3004int main(void) {
3005  xc_interface *xc;
3006  xs_daemon_open();
3007  xc = xc_interface_open(0, 0, 0);
3008  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
3009  xc_gnttab_open(NULL, 0);
3010  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
3011  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
3012  return 0;
3013}
3014EOF
3015        compile_prog "" "$xen_libs"
3016      then
3017      xen_ctrl_version=40200
3018      xen=yes
3019
3020    else
3021      if test "$xen" = "yes" ; then
3022        feature_not_found "xen (unsupported version)" \
3023                          "Install a supported xen (xen 4.2 or newer)"
3024      fi
3025      xen=no
3026    fi
3027
3028    if test "$xen" = yes; then
3029      if test $xen_ctrl_version -ge 40701  ; then
3030        xen_libs="$xen_libs $xen_stable_libs "
3031      fi
3032    fi
3033  fi
3034fi
3035
3036if test "$xen_pci_passthrough" != "no"; then
3037  if test "$xen" = "yes" && test "$linux" = "yes"; then
3038    xen_pci_passthrough=yes
3039  else
3040    if test "$xen_pci_passthrough" = "yes"; then
3041      error_exit "User requested feature Xen PCI Passthrough" \
3042          " but this feature requires /sys from Linux"
3043    fi
3044    xen_pci_passthrough=no
3045  fi
3046fi
3047
3048##########################################
3049# Windows Hypervisor Platform accelerator (WHPX) check
3050if test "$whpx" != "no" ; then
3051    if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
3052        whpx="yes"
3053    else
3054        if test "$whpx" = "yes"; then
3055            feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
3056        fi
3057        whpx="no"
3058    fi
3059fi
3060
3061##########################################
3062# gettext probe
3063if test "$gettext" != "false" ; then
3064  if has xgettext; then
3065    gettext=true
3066  else
3067    if test "$gettext" = "true" ; then
3068      feature_not_found "gettext" "Install xgettext binary"
3069    fi
3070    gettext=false
3071  fi
3072fi
3073
3074##########################################
3075# Sparse probe
3076if test "$sparse" != "no" ; then
3077  if has sparse; then
3078    sparse=yes
3079  else
3080    if test "$sparse" = "yes" ; then
3081      feature_not_found "sparse" "Install sparse binary"
3082    fi
3083    sparse=no
3084  fi
3085fi
3086
3087##########################################
3088# X11 probe
3089if $pkg_config --exists "x11"; then
3090    have_x11=yes
3091    x11_cflags=$($pkg_config --cflags x11)
3092    x11_libs=$($pkg_config --libs x11)
3093fi
3094
3095##########################################
3096# GTK probe
3097
3098if test "$gtk" != "no"; then
3099    gtkpackage="gtk+-3.0"
3100    gtkx11package="gtk+-x11-3.0"
3101    gtkversion="3.22.0"
3102    if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
3103        gtk_cflags=$($pkg_config --cflags $gtkpackage)
3104        gtk_libs=$($pkg_config --libs $gtkpackage)
3105        gtk_version=$($pkg_config --modversion $gtkpackage)
3106        if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
3107            need_x11=yes
3108            gtk_cflags="$gtk_cflags $x11_cflags"
3109            gtk_libs="$gtk_libs $x11_libs"
3110        fi
3111        gtk="yes"
3112    elif test "$gtk" = "yes"; then
3113        feature_not_found "gtk" "Install gtk3-devel"
3114    else
3115        gtk="no"
3116    fi
3117fi
3118
3119
3120##########################################
3121# GNUTLS probe
3122
3123if test "$gnutls" != "no"; then
3124    pass="no"
3125    if $pkg_config --exists "gnutls >= 3.1.18"; then
3126        gnutls_cflags=$($pkg_config --cflags gnutls)
3127        gnutls_libs=$($pkg_config --libs gnutls)
3128        # Packaging for the static libraries is not always correct.
3129        # At least ubuntu 18.04 ships only shared libraries.
3130        write_c_skeleton
3131        if compile_prog "" "$gnutls_libs" ; then
3132            LIBS="$gnutls_libs $LIBS"
3133            QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
3134            pass="yes"
3135        fi
3136    fi
3137    if test "$pass" = "no" && test "$gnutls" = "yes"; then
3138	feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
3139    else
3140        gnutls="$pass"
3141    fi
3142fi
3143
3144
3145# If user didn't give a --disable/enable-gcrypt flag,
3146# then mark as disabled if user requested nettle
3147# explicitly
3148if test -z "$gcrypt"
3149then
3150    if test "$nettle" = "yes"
3151    then
3152        gcrypt="no"
3153    fi
3154fi
3155
3156# If user didn't give a --disable/enable-nettle flag,
3157# then mark as disabled if user requested gcrypt
3158# explicitly
3159if test -z "$nettle"
3160then
3161    if test "$gcrypt" = "yes"
3162    then
3163        nettle="no"
3164    fi
3165fi
3166
3167has_libgcrypt() {
3168    if ! has "libgcrypt-config"
3169    then
3170	return 1
3171    fi
3172
3173    if test -n "$cross_prefix"
3174    then
3175	host=$(libgcrypt-config --host)
3176	if test "$host-" != $cross_prefix
3177	then
3178	    return 1
3179	fi
3180    fi
3181
3182    maj=`libgcrypt-config --version | awk -F . '{print $1}'`
3183    min=`libgcrypt-config --version | awk -F . '{print $2}'`
3184
3185    if test $maj != 1 || test $min -lt 5
3186    then
3187       return 1
3188    fi
3189
3190    return 0
3191}
3192
3193
3194if test "$nettle" != "no"; then
3195    pass="no"
3196    if $pkg_config --exists "nettle >= 2.7.1"; then
3197        nettle_cflags=$($pkg_config --cflags nettle)
3198        nettle_libs=$($pkg_config --libs nettle)
3199        nettle_version=$($pkg_config --modversion nettle)
3200        # Link test to make sure the given libraries work (e.g for static).
3201        write_c_skeleton
3202        if compile_prog "" "$nettle_libs" ; then
3203            LIBS="$nettle_libs $LIBS"
3204            QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
3205            if test -z "$gcrypt"; then
3206               gcrypt="no"
3207            fi
3208            pass="yes"
3209        fi
3210    fi
3211    if test "$pass" = "yes"
3212    then
3213        cat > $TMPC << EOF
3214#include <nettle/xts.h>
3215int main(void) {
3216  return 0;
3217}
3218EOF
3219        if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3220            nettle_xts=yes
3221            qemu_private_xts=no
3222        fi
3223    fi
3224    if test "$pass" = "no" && test "$nettle" = "yes"; then
3225        feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3226    else
3227        nettle="$pass"
3228    fi
3229fi
3230
3231if test "$gcrypt" != "no"; then
3232    pass="no"
3233    if has_libgcrypt; then
3234        gcrypt_cflags=$(libgcrypt-config --cflags)
3235        gcrypt_libs=$(libgcrypt-config --libs)
3236        # Debian has removed -lgpg-error from libgcrypt-config
3237        # as it "spreads unnecessary dependencies" which in
3238        # turn breaks static builds...
3239        if test "$static" = "yes"
3240        then
3241            gcrypt_libs="$gcrypt_libs -lgpg-error"
3242        fi
3243
3244        # Link test to make sure the given libraries work (e.g for static).
3245        write_c_skeleton
3246        if compile_prog "" "$gcrypt_libs" ; then
3247            LIBS="$gcrypt_libs $LIBS"
3248            QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
3249            pass="yes"
3250        fi
3251    fi
3252    if test "$pass" = "yes"; then
3253        gcrypt="yes"
3254        cat > $TMPC << EOF
3255#include <gcrypt.h>
3256int main(void) {
3257  gcry_mac_hd_t handle;
3258  gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3259                GCRY_MAC_FLAG_SECURE, NULL);
3260  return 0;
3261}
3262EOF
3263        if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3264            gcrypt_hmac=yes
3265        fi
3266        cat > $TMPC << EOF
3267#include <gcrypt.h>
3268int main(void) {
3269  gcry_cipher_hd_t handle;
3270  gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3271  return 0;
3272}
3273EOF
3274        if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3275            gcrypt_xts=yes
3276            qemu_private_xts=no
3277        fi
3278    elif test "$gcrypt" = "yes"; then
3279        feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3280    else
3281        gcrypt="no"
3282    fi
3283fi
3284
3285
3286if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3287then
3288    error_exit "Only one of gcrypt & nettle can be enabled"
3289fi
3290
3291##########################################
3292# libtasn1 - only for the TLS creds/session test suite
3293
3294tasn1=yes
3295tasn1_cflags=""
3296tasn1_libs=""
3297if $pkg_config --exists "libtasn1"; then
3298    tasn1_cflags=$($pkg_config --cflags libtasn1)
3299    tasn1_libs=$($pkg_config --libs libtasn1)
3300else
3301    tasn1=no
3302fi
3303
3304
3305##########################################
3306# PAM probe
3307
3308if test "$auth_pam" != "no"; then
3309    cat > $TMPC <<EOF
3310#include <security/pam_appl.h>
3311#include <stdio.h>
3312int main(void) {
3313   const char *service_name = "qemu";
3314   const char *user = "frank";
3315   const struct pam_conv pam_conv = { 0 };
3316   pam_handle_t *pamh = NULL;
3317   pam_start(service_name, user, &pam_conv, &pamh);
3318   return 0;
3319}
3320EOF
3321    if compile_prog "" "-lpam" ; then
3322        auth_pam=yes
3323    else
3324        if test "$auth_pam" = "yes"; then
3325            feature_not_found "PAM" "Install PAM development package"
3326        else
3327            auth_pam=no
3328        fi
3329    fi
3330fi
3331
3332##########################################
3333# getifaddrs (for tests/test-io-channel-socket )
3334
3335have_ifaddrs_h=yes
3336if ! check_include "ifaddrs.h" ; then
3337  have_ifaddrs_h=no
3338fi
3339
3340#########################################
3341# libdrm check
3342have_drm_h=no
3343if check_include "libdrm/drm.h" ; then
3344    have_drm_h=yes
3345fi
3346
3347#########################################
3348# sys/signal.h check
3349have_sys_signal_h=no
3350if check_include "sys/signal.h" ; then
3351  have_sys_signal_h=yes
3352fi
3353
3354##########################################
3355# VTE probe
3356
3357if test "$vte" != "no"; then
3358    vteminversion="0.32.0"
3359    if $pkg_config --exists "vte-2.91"; then
3360      vtepackage="vte-2.91"
3361    else
3362      vtepackage="vte-2.90"
3363    fi
3364    if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3365        vte_cflags=$($pkg_config --cflags $vtepackage)
3366        vte_libs=$($pkg_config --libs $vtepackage)
3367        vteversion=$($pkg_config --modversion $vtepackage)
3368        vte="yes"
3369    elif test "$vte" = "yes"; then
3370        feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3371    else
3372        vte="no"
3373    fi
3374fi
3375
3376##########################################
3377# RDMA needs OpenFabrics libraries
3378if test "$rdma" != "no" ; then
3379  cat > $TMPC <<EOF
3380#include <rdma/rdma_cma.h>
3381int main(void) { return 0; }
3382EOF
3383  rdma_libs="-lrdmacm -libverbs -libumad"
3384  if compile_prog "" "$rdma_libs" ; then
3385    rdma="yes"
3386  else
3387    if test "$rdma" = "yes" ; then
3388        error_exit \
3389            " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3390            " Your options:" \
3391            "  (1) Fast: Install infiniband packages (devel) from your distro." \
3392            "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3393            "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3394    fi
3395    rdma="no"
3396  fi
3397fi
3398
3399##########################################
3400# PVRDMA detection
3401
3402cat > $TMPC <<EOF &&
3403#include <sys/mman.h>
3404
3405int
3406main(void)
3407{
3408    char buf = 0;
3409    void *addr = &buf;
3410    addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3411
3412    return 0;
3413}
3414EOF
3415
3416if test "$rdma" = "yes" ; then
3417    case "$pvrdma" in
3418    "")
3419        if compile_prog "" ""; then
3420            pvrdma="yes"
3421        else
3422            pvrdma="no"
3423        fi
3424        ;;
3425    "yes")
3426        if ! compile_prog "" ""; then
3427            error_exit "PVRDMA is not supported since mremap is not implemented"
3428        fi
3429        pvrdma="yes"
3430        ;;
3431    "no")
3432        pvrdma="no"
3433        ;;
3434    esac
3435else
3436    if test "$pvrdma" = "yes" ; then
3437        error_exit "PVRDMA requires rdma suppport"
3438    fi
3439    pvrdma="no"
3440fi
3441
3442# Let's see if enhanced reg_mr is supported
3443if test "$pvrdma" = "yes" ; then
3444
3445cat > $TMPC <<EOF &&
3446#include <infiniband/verbs.h>
3447
3448int
3449main(void)
3450{
3451    struct ibv_mr *mr;
3452    struct ibv_pd *pd = NULL;
3453    size_t length = 10;
3454    uint64_t iova = 0;
3455    int access = 0;
3456    void *addr = NULL;
3457
3458    mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3459
3460    ibv_dereg_mr(mr);
3461
3462    return 0;
3463}
3464EOF
3465    if ! compile_prog "" "-libverbs"; then
3466        QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3467    fi
3468fi
3469
3470##########################################
3471# xfsctl() probe, used for file-posix.c
3472if test "$xfs" != "no" ; then
3473  cat > $TMPC << EOF
3474#include <stddef.h>  /* NULL */
3475#include <xfs/xfs.h>
3476int main(void)
3477{
3478    xfsctl(NULL, 0, 0, NULL);
3479    return 0;
3480}
3481EOF
3482  if compile_prog "" "" ; then
3483    xfs="yes"
3484  else
3485    if test "$xfs" = "yes" ; then
3486      feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3487    fi
3488    xfs=no
3489  fi
3490fi
3491
3492##########################################
3493# vde libraries probe
3494if test "$vde" != "no" ; then
3495  vde_libs="-lvdeplug"
3496  cat > $TMPC << EOF
3497#include <libvdeplug.h>
3498int main(void)
3499{
3500    struct vde_open_args a = {0, 0, 0};
3501    char s[] = "";
3502    vde_open(s, s, &a);
3503    return 0;
3504}
3505EOF
3506  if compile_prog "" "$vde_libs" ; then
3507    vde=yes
3508  else
3509    if test "$vde" = "yes" ; then
3510      feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3511    fi
3512    vde=no
3513  fi
3514fi
3515
3516##########################################
3517# netmap support probe
3518# Apart from looking for netmap headers, we make sure that the host API version
3519# supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3520# a minor/major version number. Minor new features will be marked with values up
3521# to 15, and if something happens that requires a change to the backend we will
3522# move above 15, submit the backend fixes and modify this two bounds.
3523if test "$netmap" != "no" ; then
3524  cat > $TMPC << EOF
3525#include <inttypes.h>
3526#include <net/if.h>
3527#include <net/netmap.h>
3528#include <net/netmap_user.h>
3529#if (NETMAP_API < 11) || (NETMAP_API > 15)
3530#error
3531#endif
3532int main(void) { return 0; }
3533EOF
3534  if compile_prog "" "" ; then
3535    netmap=yes
3536  else
3537    if test "$netmap" = "yes" ; then
3538      feature_not_found "netmap"
3539    fi
3540    netmap=no
3541  fi
3542fi
3543
3544##########################################
3545# libcap-ng library probe
3546if test "$cap_ng" != "no" ; then
3547  cap_libs="-lcap-ng"
3548  cat > $TMPC << EOF
3549#include <cap-ng.h>
3550int main(void)
3551{
3552    capng_capability_to_name(CAPNG_EFFECTIVE);
3553    return 0;
3554}
3555EOF
3556  if compile_prog "" "$cap_libs" ; then
3557    cap_ng=yes
3558  else
3559    if test "$cap_ng" = "yes" ; then
3560      feature_not_found "cap_ng" "Install libcap-ng devel"
3561    fi
3562    cap_ng=no
3563  fi
3564fi
3565
3566##########################################
3567# Sound support libraries probe
3568
3569audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3570for drv in $audio_drv_list; do
3571    case $drv in
3572    alsa | try-alsa)
3573    if $pkg_config alsa --exists; then
3574        alsa_libs=$($pkg_config alsa --libs)
3575        alsa_cflags=$($pkg_config alsa --cflags)
3576        alsa=yes
3577        if test "$drv" = "try-alsa"; then
3578            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3579        fi
3580    else
3581        if test "$drv" = "try-alsa"; then
3582            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3583        else
3584            error_exit "$drv check failed" \
3585                "Make sure to have the $drv libs and headers installed."
3586        fi
3587    fi
3588    ;;
3589
3590    pa | try-pa)
3591    if $pkg_config libpulse --exists; then
3592        libpulse=yes
3593        pulse_libs=$($pkg_config libpulse --libs)
3594        pulse_cflags=$($pkg_config libpulse --cflags)
3595        if test "$drv" = "try-pa"; then
3596            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3597        fi
3598    else
3599        if test "$drv" = "try-pa"; then
3600            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3601        else
3602            error_exit "$drv check failed" \
3603                "Make sure to have the $drv libs and headers installed."
3604        fi
3605    fi
3606    ;;
3607
3608    sdl)
3609    if test "$sdl" = "no"; then
3610        error_exit "sdl not found or disabled, can not use sdl audio driver"
3611    fi
3612    ;;
3613
3614    try-sdl)
3615    if test "$sdl" = "no"; then
3616        audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3617    else
3618        audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3619    fi
3620    ;;
3621
3622    coreaudio)
3623      coreaudio_libs="-framework CoreAudio"
3624    ;;
3625
3626    dsound)
3627      dsound_libs="-lole32 -ldxguid"
3628      audio_win_int="yes"
3629    ;;
3630
3631    oss)
3632      oss_libs="$oss_lib"
3633    ;;
3634
3635    jack | try-jack)
3636    if $pkg_config jack --exists; then
3637        libjack=yes
3638        jack_libs=$($pkg_config jack --libs)
3639        if test "$drv" = "try-jack"; then
3640            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3641        fi
3642    else
3643        if test "$drv" = "try-jack"; then
3644            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3645        else
3646            error_exit "$drv check failed" \
3647                "Make sure to have the $drv libs and headers installed."
3648        fi
3649    fi
3650    ;;
3651
3652    *)
3653    echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3654        error_exit "Unknown driver '$drv' selected" \
3655            "Possible drivers are: $audio_possible_drivers"
3656    }
3657    ;;
3658    esac
3659done
3660
3661##########################################
3662# BrlAPI probe
3663
3664if test "$brlapi" != "no" ; then
3665  brlapi_libs="-lbrlapi"
3666  cat > $TMPC << EOF
3667#include <brlapi.h>
3668#include <stddef.h>
3669int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3670EOF
3671  if compile_prog "" "$brlapi_libs" ; then
3672    brlapi=yes
3673  else
3674    if test "$brlapi" = "yes" ; then
3675      feature_not_found "brlapi" "Install brlapi devel"
3676    fi
3677    brlapi=no
3678  fi
3679fi
3680
3681##########################################
3682# iconv probe
3683if test "$iconv" != "no" ; then
3684  cat > $TMPC << EOF
3685#include <iconv.h>
3686int main(void) {
3687  iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3688  return conv != (iconv_t) -1;
3689}
3690EOF
3691  iconv_prefix_list="/usr/local:/usr"
3692  iconv_lib_list=":-liconv"
3693  IFS=:
3694  for iconv_prefix in $iconv_prefix_list; do
3695    IFS=:
3696    iconv_cflags="-I$iconv_prefix/include"
3697    iconv_ldflags="-L$iconv_prefix/lib"
3698    for iconv_link in $iconv_lib_list; do
3699      unset IFS
3700      iconv_lib="$iconv_ldflags $iconv_link"
3701      echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3702      if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3703        iconv_found=yes
3704        break
3705      fi
3706    done
3707    if test "$iconv_found" = yes ; then
3708      break
3709    fi
3710  done
3711  if test "$iconv_found" = "yes" ; then
3712    iconv=yes
3713  else
3714    if test "$iconv" = "yes" ; then
3715      feature_not_found "iconv" "Install iconv devel"
3716    fi
3717    iconv=no
3718  fi
3719fi
3720
3721##########################################
3722# curses probe
3723if test "$iconv" = "no" ; then
3724  # curses will need iconv
3725  curses=no
3726fi
3727if test "$curses" != "no" ; then
3728  if test "$mingw32" = "yes" ; then
3729    curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3730    curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3731  else
3732    curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3733    curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3734  fi
3735  curses_found=no
3736  cat > $TMPC << EOF
3737#include <locale.h>
3738#include <curses.h>
3739#include <wchar.h>
3740#include <langinfo.h>
3741int main(void) {
3742  const char *codeset;
3743  wchar_t wch = L'w';
3744  setlocale(LC_ALL, "");
3745  resize_term(0, 0);
3746  addwstr(L"wide chars\n");
3747  addnwstr(&wch, 1);
3748  add_wch(WACS_DEGREE);
3749  codeset = nl_langinfo(CODESET);
3750  return codeset != 0;
3751}
3752EOF
3753  IFS=:
3754  for curses_inc in $curses_inc_list; do
3755    # Make sure we get the wide character prototypes
3756    curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3757    IFS=:
3758    for curses_lib in $curses_lib_list; do
3759      unset IFS
3760      if compile_prog "$curses_inc" "$curses_lib" ; then
3761        curses_found=yes
3762        break
3763      fi
3764    done
3765    if test "$curses_found" = yes ; then
3766      break
3767    fi
3768  done
3769  unset IFS
3770  if test "$curses_found" = "yes" ; then
3771    curses=yes
3772  else
3773    if test "$curses" = "yes" ; then
3774      feature_not_found "curses" "Install ncurses devel"
3775    fi
3776    curses=no
3777  fi
3778fi
3779
3780##########################################
3781# curl probe
3782if test "$curl" != "no" ; then
3783  if $pkg_config libcurl --exists; then
3784    curlconfig="$pkg_config libcurl"
3785  else
3786    curlconfig=curl-config
3787  fi
3788  cat > $TMPC << EOF
3789#include <curl/curl.h>
3790int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3791EOF
3792  curl_cflags=$($curlconfig --cflags 2>/dev/null)
3793  curl_libs=$($curlconfig --libs 2>/dev/null)
3794  if compile_prog "$curl_cflags" "$curl_libs" ; then
3795    curl=yes
3796  else
3797    if test "$curl" = "yes" ; then
3798      feature_not_found "curl" "Install libcurl devel"
3799    fi
3800    curl=no
3801  fi
3802fi # test "$curl"
3803
3804##########################################
3805# glib support probe
3806
3807glib_req_ver=2.48
3808glib_modules=gthread-2.0
3809if test "$modules" = yes; then
3810    glib_modules="$glib_modules gmodule-export-2.0"
3811fi
3812if test "$plugins" = yes; then
3813    glib_modules="$glib_modules gmodule-2.0"
3814fi
3815
3816# This workaround is required due to a bug in pkg-config file for glib as it
3817# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3818
3819if test "$static" = yes && test "$mingw32" = yes; then
3820    QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3821fi
3822
3823for i in $glib_modules; do
3824    if $pkg_config --atleast-version=$glib_req_ver $i; then
3825        glib_cflags=$($pkg_config --cflags $i)
3826        glib_libs=$($pkg_config --libs $i)
3827        QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3828        LIBS="$glib_libs $LIBS"
3829    else
3830        error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3831    fi
3832done
3833
3834if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3835    gio=yes
3836    gio_cflags=$($pkg_config --cflags gio-2.0)
3837    gio_libs=$($pkg_config --libs gio-2.0)
3838    gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3839    if [ ! -x "$gdbus_codegen" ]; then
3840        gdbus_codegen=
3841    fi
3842else
3843    gio=no
3844fi
3845
3846if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3847    gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3848    gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3849fi
3850
3851# Sanity check that the current size_t matches the
3852# size that glib thinks it should be. This catches
3853# problems on multi-arch where people try to build
3854# 32-bit QEMU while pointing at 64-bit glib headers
3855cat > $TMPC <<EOF
3856#include <glib.h>
3857#include <unistd.h>
3858
3859#define QEMU_BUILD_BUG_ON(x) \
3860  typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3861
3862int main(void) {
3863   QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3864   return 0;
3865}
3866EOF
3867
3868if ! compile_prog "$CFLAGS" "$LIBS" ; then
3869    error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3870               "You probably need to set PKG_CONFIG_LIBDIR"\
3871	       "to point to the right pkg-config files for your"\
3872	       "build target"
3873fi
3874
3875# Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3876cat > $TMPC << EOF
3877#include <glib.h>
3878int main(void) { return 0; }
3879EOF
3880if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3881    if cc_has_warning_flag "-Wno-unknown-attributes"; then
3882        glib_cflags="-Wno-unknown-attributes $glib_cflags"
3883        QEMU_CFLAGS="-Wno-unknown-attributes $CFLAGS"
3884    fi
3885fi
3886
3887# Silence clang warnings triggered by glib < 2.57.2
3888cat > $TMPC << EOF
3889#include <glib.h>
3890typedef struct Foo {
3891    int i;
3892} Foo;
3893static void foo_free(Foo *f)
3894{
3895    g_free(f);
3896}
3897G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
3898int main(void) { return 0; }
3899EOF
3900if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3901    if cc_has_warning_flag "-Wno-unused-function"; then
3902        glib_cflags="$glib_cflags -Wno-unused-function"
3903        CFLAGS="$CFLAGS -Wno-unused-function"
3904    fi
3905fi
3906
3907#########################################
3908# zlib check
3909
3910if test "$zlib" != "no" ; then
3911    if $pkg_config --exists zlib; then
3912        zlib_cflags=$($pkg_config --cflags zlib)
3913        zlib_libs=$($pkg_config --libs zlib)
3914        QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3915        LIBS="$zlib_libs $LIBS"
3916    else
3917        cat > $TMPC << EOF
3918#include <zlib.h>
3919int main(void) { zlibVersion(); return 0; }
3920EOF
3921        if compile_prog "" "-lz" ; then
3922            zlib_libs=-lz
3923            LIBS="$LIBS $zlib_libs"
3924        else
3925            error_exit "zlib check failed" \
3926                "Make sure to have the zlib libs and headers installed."
3927        fi
3928    fi
3929fi
3930
3931##########################################
3932# SHA command probe for modules
3933if test "$modules" = yes; then
3934    shacmd_probe="sha1sum sha1 shasum"
3935    for c in $shacmd_probe; do
3936        if has $c; then
3937            shacmd="$c"
3938            break
3939        fi
3940    done
3941    if test "$shacmd" = ""; then
3942        error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3943    fi
3944fi
3945
3946##########################################
3947# libmpathpersist probe
3948
3949if test "$mpath" != "no" ; then
3950  # probe for the new API
3951  cat > $TMPC <<EOF
3952#include <libudev.h>
3953#include <mpath_persist.h>
3954unsigned mpath_mx_alloc_len = 1024;
3955int logsink;
3956static struct config *multipath_conf;
3957extern struct udev *udev;
3958extern struct config *get_multipath_config(void);
3959extern void put_multipath_config(struct config *conf);
3960struct udev *udev;
3961struct config *get_multipath_config(void) { return multipath_conf; }
3962void put_multipath_config(struct config *conf) { }
3963
3964int main(void) {
3965    udev = udev_new();
3966    multipath_conf = mpath_lib_init();
3967    return 0;
3968}
3969EOF
3970  if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3971    mpathpersist=yes
3972    mpathpersist_new_api=yes
3973  else
3974    # probe for the old API
3975    cat > $TMPC <<EOF
3976#include <libudev.h>
3977#include <mpath_persist.h>
3978unsigned mpath_mx_alloc_len = 1024;
3979int logsink;
3980int main(void) {
3981    struct udev *udev = udev_new();
3982    mpath_lib_init(udev);
3983    return 0;
3984}
3985EOF
3986    if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3987      mpathpersist=yes
3988      mpathpersist_new_api=no
3989    else
3990      mpathpersist=no
3991    fi
3992  fi
3993else
3994  mpathpersist=no
3995fi
3996
3997##########################################
3998# pthread probe
3999PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
4000
4001pthread=no
4002cat > $TMPC << EOF
4003#include <pthread.h>
4004static void *f(void *p) { return NULL; }
4005int main(void) {
4006  pthread_t thread;
4007  pthread_create(&thread, 0, f, 0);
4008  return 0;
4009}
4010EOF
4011if compile_prog "" "" ; then
4012  pthread=yes
4013else
4014  for pthread_lib in $PTHREADLIBS_LIST; do
4015    if compile_prog "" "$pthread_lib" ; then
4016      pthread=yes
4017      found=no
4018      for lib_entry in $LIBS; do
4019        if test "$lib_entry" = "$pthread_lib"; then
4020          found=yes
4021          break
4022        fi
4023      done
4024      if test "$found" = "no"; then
4025        LIBS="$pthread_lib $LIBS"
4026      fi
4027      PTHREAD_LIB="$pthread_lib"
4028      break
4029    fi
4030  done
4031fi
4032
4033if test "$mingw32" != yes && test "$pthread" = no; then
4034  error_exit "pthread check failed" \
4035      "Make sure to have the pthread libs and headers installed."
4036fi
4037
4038# check for pthread_setname_np with thread id
4039pthread_setname_np_w_tid=no
4040cat > $TMPC << EOF
4041#include <pthread.h>
4042
4043static void *f(void *p) { return NULL; }
4044int main(void)
4045{
4046    pthread_t thread;
4047    pthread_create(&thread, 0, f, 0);
4048    pthread_setname_np(thread, "QEMU");
4049    return 0;
4050}
4051EOF
4052if compile_prog "" "$pthread_lib" ; then
4053  pthread_setname_np_w_tid=yes
4054fi
4055
4056# check for pthread_setname_np without thread id
4057pthread_setname_np_wo_tid=no
4058cat > $TMPC << EOF
4059#include <pthread.h>
4060
4061static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
4062int main(void)
4063{
4064    pthread_t thread;
4065    pthread_create(&thread, 0, f, 0);
4066    return 0;
4067}
4068EOF
4069if compile_prog "" "$pthread_lib" ; then
4070  pthread_setname_np_wo_tid=yes
4071fi
4072
4073##########################################
4074# rbd probe
4075if test "$rbd" != "no" ; then
4076  cat > $TMPC <<EOF
4077#include <stdio.h>
4078#include <rbd/librbd.h>
4079int main(void) {
4080    rados_t cluster;
4081    rados_create(&cluster, NULL);
4082    return 0;
4083}
4084EOF
4085  rbd_libs="-lrbd -lrados"
4086  if compile_prog "" "$rbd_libs" ; then
4087    rbd=yes
4088  else
4089    if test "$rbd" = "yes" ; then
4090      feature_not_found "rados block device" "Install librbd/ceph devel"
4091    fi
4092    rbd=no
4093  fi
4094fi
4095
4096##########################################
4097# libssh probe
4098if test "$libssh" != "no" ; then
4099  if $pkg_config --exists libssh; then
4100    libssh_cflags=$($pkg_config libssh --cflags)
4101    libssh_libs=$($pkg_config libssh --libs)
4102    libssh=yes
4103  else
4104    if test "$libssh" = "yes" ; then
4105      error_exit "libssh required for --enable-libssh"
4106    fi
4107    libssh=no
4108  fi
4109fi
4110
4111##########################################
4112# Check for libssh 0.8
4113# This is done like this instead of using the LIBSSH_VERSION_* and
4114# SSH_VERSION_* macros because some distributions in the past shipped
4115# snapshots of the future 0.8 from Git, and those snapshots did not
4116# have updated version numbers (still referring to 0.7.0).
4117
4118if test "$libssh" = "yes"; then
4119  cat > $TMPC <<EOF
4120#include <libssh/libssh.h>
4121int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4122EOF
4123  if compile_prog "$libssh_cflags" "$libssh_libs"; then
4124    libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4125  fi
4126fi
4127
4128##########################################
4129# linux-aio probe
4130
4131if test "$linux_aio" != "no" ; then
4132  cat > $TMPC <<EOF
4133#include <libaio.h>
4134#include <sys/eventfd.h>
4135#include <stddef.h>
4136int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4137EOF
4138  if compile_prog "" "-laio" ; then
4139    linux_aio=yes
4140  else
4141    if test "$linux_aio" = "yes" ; then
4142      feature_not_found "linux AIO" "Install libaio devel"
4143    fi
4144    linux_aio=no
4145  fi
4146fi
4147##########################################
4148# linux-io-uring probe
4149
4150if test "$linux_io_uring" != "no" ; then
4151  if $pkg_config liburing; then
4152    linux_io_uring_cflags=$($pkg_config --cflags liburing)
4153    linux_io_uring_libs=$($pkg_config --libs liburing)
4154    linux_io_uring=yes
4155
4156    # io_uring is used in libqemuutil.a where per-file -libs variables are not
4157    # seen by programs linking the archive.  It's not ideal, but just add the
4158    # library dependency globally.
4159    LIBS="$linux_io_uring_libs $LIBS"
4160  else
4161    if test "$linux_io_uring" = "yes" ; then
4162      feature_not_found "linux io_uring" "Install liburing devel"
4163    fi
4164    linux_io_uring=no
4165  fi
4166fi
4167
4168##########################################
4169# TPM emulation is only on POSIX
4170
4171if test "$tpm" = ""; then
4172  if test "$mingw32" = "yes"; then
4173    tpm=no
4174  else
4175    tpm=yes
4176  fi
4177elif test "$tpm" = "yes"; then
4178  if test "$mingw32" = "yes" ; then
4179    error_exit "TPM emulation only available on POSIX systems"
4180  fi
4181fi
4182
4183##########################################
4184# attr probe
4185
4186libattr_libs=
4187if test "$attr" != "no" ; then
4188  cat > $TMPC <<EOF
4189#include <stdio.h>
4190#include <sys/types.h>
4191#ifdef CONFIG_LIBATTR
4192#include <attr/xattr.h>
4193#else
4194#include <sys/xattr.h>
4195#endif
4196int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4197EOF
4198  if compile_prog "" "" ; then
4199    attr=yes
4200  # Older distros have <attr/xattr.h>, and need -lattr:
4201  elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4202    attr=yes
4203    libattr_libs="-lattr"
4204    LIBS="$libattr_libs $LIBS"
4205    libattr=yes
4206  else
4207    if test "$attr" = "yes" ; then
4208      feature_not_found "ATTR" "Install libc6 or libattr devel"
4209    fi
4210    attr=no
4211  fi
4212fi
4213
4214##########################################
4215# iovec probe
4216cat > $TMPC <<EOF
4217#include <sys/types.h>
4218#include <sys/uio.h>
4219#include <unistd.h>
4220int main(void) { return sizeof(struct iovec); }
4221EOF
4222iovec=no
4223if compile_prog "" "" ; then
4224  iovec=yes
4225fi
4226
4227##########################################
4228# preadv probe
4229cat > $TMPC <<EOF
4230#include <sys/types.h>
4231#include <sys/uio.h>
4232#include <unistd.h>
4233int main(void) { return preadv(0, 0, 0, 0); }
4234EOF
4235preadv=no
4236if compile_prog "" "" ; then
4237  preadv=yes
4238fi
4239
4240##########################################
4241# fdt probe
4242# fdt support is mandatory for at least some target architectures,
4243# so insist on it if we're building those system emulators.
4244fdt_required=no
4245for target in $target_list; do
4246  case $target in
4247    aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4248      fdt_required=yes
4249    ;;
4250  esac
4251done
4252
4253if test "$fdt_required" = "yes"; then
4254  if test "$fdt" = "no"; then
4255    error_exit "fdt disabled but some requested targets require it." \
4256      "You can turn off fdt only if you also disable all the system emulation" \
4257      "targets which need it (by specifying a cut down --target-list)."
4258  fi
4259  fdt=yes
4260elif test "$fdt" != "yes" ; then
4261  fdt=no
4262fi
4263
4264# fdt is only required when building softmmu targets
4265if test -z "$fdt" -a "$softmmu" != "yes" ; then
4266    fdt="no"
4267fi
4268
4269if test "$fdt" != "no" ; then
4270  fdt_libs="-lfdt"
4271  # explicitly check for libfdt_env.h as it is missing in some stable installs
4272  # and test for required functions to make sure we are on a version >= 1.4.2
4273  cat > $TMPC << EOF
4274#include <libfdt.h>
4275#include <libfdt_env.h>
4276int main(void) { fdt_check_full(NULL, 0); return 0; }
4277EOF
4278  if compile_prog "" "$fdt_libs" ; then
4279    # system DTC is good - use it
4280    fdt=system
4281  else
4282      # have GIT checkout, so activate dtc submodule
4283      if test -e "${source_path}/.git" ; then
4284          git_submodules="${git_submodules} dtc"
4285      fi
4286      if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4287          fdt=git
4288          mkdir -p dtc
4289          if [ "$pwd_is_source_path" != "y" ] ; then
4290              symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4291          fi
4292          fdt_cflags="-I${source_path}/dtc/libfdt"
4293          fdt_ldflags="-L$PWD/dtc/libfdt"
4294          fdt_libs="$fdt_libs"
4295      elif test "$fdt" = "yes" ; then
4296          # Not a git build & no libfdt found, prompt for system install
4297          error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4298                     "Please install the DTC (libfdt) devel package"
4299      else
4300          # don't have and don't want
4301          fdt_libs=
4302          fdt=no
4303      fi
4304  fi
4305fi
4306
4307##########################################
4308# opengl probe (for sdl2, gtk, milkymist-tmu2)
4309
4310gbm="no"
4311if $pkg_config gbm; then
4312    gbm_cflags="$($pkg_config --cflags gbm)"
4313    gbm_libs="$($pkg_config --libs gbm)"
4314    gbm="yes"
4315fi
4316
4317if test "$opengl" != "no" ; then
4318  opengl_pkgs="epoxy gbm"
4319  if $pkg_config $opengl_pkgs; then
4320    opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4321    opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4322    opengl=yes
4323    if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4324        gtk_gl="yes"
4325    fi
4326    QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4327  else
4328    if test "$opengl" = "yes" ; then
4329      feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4330    fi
4331    opengl_cflags=""
4332    opengl_libs=""
4333    opengl=no
4334  fi
4335fi
4336
4337if test "$opengl" = "yes"; then
4338  cat > $TMPC << EOF
4339#include <epoxy/egl.h>
4340#ifndef EGL_MESA_image_dma_buf_export
4341# error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4342#endif
4343int main(void) { return 0; }
4344EOF
4345  if compile_prog "" "" ; then
4346    opengl_dmabuf=yes
4347  fi
4348fi
4349
4350if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4351  for target in $target_list; do
4352    case $target in
4353      lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4354        need_x11=yes
4355      ;;
4356    esac
4357  done
4358fi
4359
4360##########################################
4361# libxml2 probe
4362if test "$libxml2" != "no" ; then
4363    if $pkg_config --exists libxml-2.0; then
4364        libxml2="yes"
4365        libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4366        libxml2_libs=$($pkg_config --libs libxml-2.0)
4367    else
4368        if test "$libxml2" = "yes"; then
4369            feature_not_found "libxml2" "Install libxml2 devel"
4370        fi
4371        libxml2="no"
4372    fi
4373fi
4374
4375##########################################
4376# glusterfs probe
4377if test "$glusterfs" != "no" ; then
4378  if $pkg_config --atleast-version=3 glusterfs-api; then
4379    glusterfs="yes"
4380    glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4381    glusterfs_libs=$($pkg_config --libs glusterfs-api)
4382    if $pkg_config --atleast-version=4 glusterfs-api; then
4383      glusterfs_xlator_opt="yes"
4384    fi
4385    if $pkg_config --atleast-version=5 glusterfs-api; then
4386      glusterfs_discard="yes"
4387    fi
4388    if $pkg_config --atleast-version=6 glusterfs-api; then
4389      glusterfs_fallocate="yes"
4390      glusterfs_zerofill="yes"
4391    fi
4392    cat > $TMPC << EOF
4393#include <glusterfs/api/glfs.h>
4394
4395int
4396main(void)
4397{
4398	/* new glfs_ftruncate() passes two additional args */
4399	return glfs_ftruncate(NULL, 0, NULL, NULL);
4400}
4401EOF
4402    if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4403      glusterfs_ftruncate_has_stat="yes"
4404    fi
4405    cat > $TMPC << EOF
4406#include <glusterfs/api/glfs.h>
4407
4408/* new glfs_io_cbk() passes two additional glfs_stat structs */
4409static void
4410glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4411{}
4412
4413int
4414main(void)
4415{
4416	glfs_io_cbk iocb = &glusterfs_iocb;
4417	iocb(NULL, 0 , NULL, NULL, NULL);
4418	return 0;
4419}
4420EOF
4421    if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4422      glusterfs_iocb_has_stat="yes"
4423    fi
4424  else
4425    if test "$glusterfs" = "yes" ; then
4426      feature_not_found "GlusterFS backend support" \
4427          "Install glusterfs-api devel >= 3"
4428    fi
4429    glusterfs="no"
4430  fi
4431fi
4432
4433# Check for inotify functions when we are building linux-user
4434# emulator.  This is done because older glibc versions don't
4435# have syscall stubs for these implemented.  In that case we
4436# don't provide them even if kernel supports them.
4437#
4438inotify=no
4439cat > $TMPC << EOF
4440#include <sys/inotify.h>
4441
4442int
4443main(void)
4444{
4445	/* try to start inotify */
4446	return inotify_init();
4447}
4448EOF
4449if compile_prog "" "" ; then
4450  inotify=yes
4451fi
4452
4453inotify1=no
4454cat > $TMPC << EOF
4455#include <sys/inotify.h>
4456
4457int
4458main(void)
4459{
4460    /* try to start inotify */
4461    return inotify_init1(0);
4462}
4463EOF
4464if compile_prog "" "" ; then
4465  inotify1=yes
4466fi
4467
4468# check if pipe2 is there
4469pipe2=no
4470cat > $TMPC << EOF
4471#include <unistd.h>
4472#include <fcntl.h>
4473
4474int main(void)
4475{
4476    int pipefd[2];
4477    return pipe2(pipefd, O_CLOEXEC);
4478}
4479EOF
4480if compile_prog "" "" ; then
4481  pipe2=yes
4482fi
4483
4484# check if accept4 is there
4485accept4=no
4486cat > $TMPC << EOF
4487#include <sys/socket.h>
4488#include <stddef.h>
4489
4490int main(void)
4491{
4492    accept4(0, NULL, NULL, SOCK_CLOEXEC);
4493    return 0;
4494}
4495EOF
4496if compile_prog "" "" ; then
4497  accept4=yes
4498fi
4499
4500# check if tee/splice is there. vmsplice was added same time.
4501splice=no
4502cat > $TMPC << EOF
4503#include <unistd.h>
4504#include <fcntl.h>
4505#include <limits.h>
4506
4507int main(void)
4508{
4509    int len, fd = 0;
4510    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4511    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4512    return 0;
4513}
4514EOF
4515if compile_prog "" "" ; then
4516  splice=yes
4517fi
4518
4519##########################################
4520# libnuma probe
4521
4522if test "$numa" != "no" ; then
4523  cat > $TMPC << EOF
4524#include <numa.h>
4525int main(void) { return numa_available(); }
4526EOF
4527
4528  if compile_prog "" "-lnuma" ; then
4529    numa=yes
4530    numa_libs="-lnuma"
4531  else
4532    if test "$numa" = "yes" ; then
4533      feature_not_found "numa" "install numactl devel"
4534    fi
4535    numa=no
4536  fi
4537fi
4538
4539if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4540    echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4541    exit 1
4542fi
4543
4544# Even if malloc_trim() is available, these non-libc memory allocators
4545# do not support it.
4546if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4547    if test "$malloc_trim" = "yes" ; then
4548        echo "Disabling malloc_trim with non-libc memory allocator"
4549    fi
4550    malloc_trim="no"
4551fi
4552
4553#######################################
4554# malloc_trim
4555
4556if test "$malloc_trim" != "no" ; then
4557    cat > $TMPC << EOF
4558#include <malloc.h>
4559int main(void) { malloc_trim(0); return 0; }
4560EOF
4561    if compile_prog "" "" ; then
4562        malloc_trim="yes"
4563    else
4564        malloc_trim="no"
4565    fi
4566fi
4567
4568##########################################
4569# tcmalloc probe
4570
4571if test "$tcmalloc" = "yes" ; then
4572  cat > $TMPC << EOF
4573#include <stdlib.h>
4574int main(void) {
4575    void *tmp = malloc(1);
4576    if (tmp != NULL) {
4577        return 0;
4578    }
4579    return 1;
4580}
4581EOF
4582
4583  if compile_prog "" "-ltcmalloc" ; then
4584    LIBS="-ltcmalloc $LIBS"
4585  else
4586    feature_not_found "tcmalloc" "install gperftools devel"
4587  fi
4588fi
4589
4590##########################################
4591# jemalloc probe
4592
4593if test "$jemalloc" = "yes" ; then
4594  cat > $TMPC << EOF
4595#include <stdlib.h>
4596int main(void) {
4597    void *tmp = malloc(1);
4598    if (tmp != NULL) {
4599        return 0;
4600    }
4601    return 1;
4602}
4603EOF
4604
4605  if compile_prog "" "-ljemalloc" ; then
4606    LIBS="-ljemalloc $LIBS"
4607  else
4608    feature_not_found "jemalloc" "install jemalloc devel"
4609  fi
4610fi
4611
4612##########################################
4613# signalfd probe
4614signalfd="no"
4615cat > $TMPC << EOF
4616#include <unistd.h>
4617#include <sys/syscall.h>
4618#include <signal.h>
4619int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4620EOF
4621
4622if compile_prog "" "" ; then
4623  signalfd=yes
4624fi
4625
4626# check if optreset global is declared by <getopt.h>
4627optreset="no"
4628cat > $TMPC << EOF
4629#include <getopt.h>
4630int main(void) { return optreset; }
4631EOF
4632
4633if compile_prog "" "" ; then
4634  optreset=yes
4635fi
4636
4637# check if eventfd is supported
4638eventfd=no
4639cat > $TMPC << EOF
4640#include <sys/eventfd.h>
4641
4642int main(void)
4643{
4644    return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4645}
4646EOF
4647if compile_prog "" "" ; then
4648  eventfd=yes
4649fi
4650
4651# check if memfd is supported
4652memfd=no
4653cat > $TMPC << EOF
4654#include <sys/mman.h>
4655
4656int main(void)
4657{
4658    return memfd_create("foo", MFD_ALLOW_SEALING);
4659}
4660EOF
4661if compile_prog "" "" ; then
4662  memfd=yes
4663fi
4664
4665# check for usbfs
4666have_usbfs=no
4667if test "$linux_user" = "yes"; then
4668  cat > $TMPC << EOF
4669#include <linux/usbdevice_fs.h>
4670
4671#ifndef USBDEVFS_GET_CAPABILITIES
4672#error "USBDEVFS_GET_CAPABILITIES undefined"
4673#endif
4674
4675#ifndef USBDEVFS_DISCONNECT_CLAIM
4676#error "USBDEVFS_DISCONNECT_CLAIM undefined"
4677#endif
4678
4679int main(void)
4680{
4681    return 0;
4682}
4683EOF
4684  if compile_prog "" ""; then
4685    have_usbfs=yes
4686  fi
4687fi
4688
4689# check for fallocate
4690fallocate=no
4691cat > $TMPC << EOF
4692#include <fcntl.h>
4693
4694int main(void)
4695{
4696    fallocate(0, 0, 0, 0);
4697    return 0;
4698}
4699EOF
4700if compile_prog "" "" ; then
4701  fallocate=yes
4702fi
4703
4704# check for fallocate hole punching
4705fallocate_punch_hole=no
4706cat > $TMPC << EOF
4707#include <fcntl.h>
4708#include <linux/falloc.h>
4709
4710int main(void)
4711{
4712    fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4713    return 0;
4714}
4715EOF
4716if compile_prog "" "" ; then
4717  fallocate_punch_hole=yes
4718fi
4719
4720# check that fallocate supports range zeroing inside the file
4721fallocate_zero_range=no
4722cat > $TMPC << EOF
4723#include <fcntl.h>
4724#include <linux/falloc.h>
4725
4726int main(void)
4727{
4728    fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4729    return 0;
4730}
4731EOF
4732if compile_prog "" "" ; then
4733  fallocate_zero_range=yes
4734fi
4735
4736# check for posix_fallocate
4737posix_fallocate=no
4738cat > $TMPC << EOF
4739#include <fcntl.h>
4740
4741int main(void)
4742{
4743    posix_fallocate(0, 0, 0);
4744    return 0;
4745}
4746EOF
4747if compile_prog "" "" ; then
4748    posix_fallocate=yes
4749fi
4750
4751# check for sync_file_range
4752sync_file_range=no
4753cat > $TMPC << EOF
4754#include <fcntl.h>
4755
4756int main(void)
4757{
4758    sync_file_range(0, 0, 0, 0);
4759    return 0;
4760}
4761EOF
4762if compile_prog "" "" ; then
4763  sync_file_range=yes
4764fi
4765
4766# check for linux/fiemap.h and FS_IOC_FIEMAP
4767fiemap=no
4768cat > $TMPC << EOF
4769#include <sys/ioctl.h>
4770#include <linux/fs.h>
4771#include <linux/fiemap.h>
4772
4773int main(void)
4774{
4775    ioctl(0, FS_IOC_FIEMAP, 0);
4776    return 0;
4777}
4778EOF
4779if compile_prog "" "" ; then
4780  fiemap=yes
4781fi
4782
4783# check for dup3
4784dup3=no
4785cat > $TMPC << EOF
4786#include <unistd.h>
4787
4788int main(void)
4789{
4790    dup3(0, 0, 0);
4791    return 0;
4792}
4793EOF
4794if compile_prog "" "" ; then
4795  dup3=yes
4796fi
4797
4798# check for ppoll support
4799ppoll=no
4800cat > $TMPC << EOF
4801#include <poll.h>
4802
4803int main(void)
4804{
4805    struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4806    ppoll(&pfd, 1, 0, 0);
4807    return 0;
4808}
4809EOF
4810if compile_prog "" "" ; then
4811  ppoll=yes
4812fi
4813
4814# check for prctl(PR_SET_TIMERSLACK , ... ) support
4815prctl_pr_set_timerslack=no
4816cat > $TMPC << EOF
4817#include <sys/prctl.h>
4818
4819int main(void)
4820{
4821    prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4822    return 0;
4823}
4824EOF
4825if compile_prog "" "" ; then
4826  prctl_pr_set_timerslack=yes
4827fi
4828
4829# check for epoll support
4830epoll=no
4831cat > $TMPC << EOF
4832#include <sys/epoll.h>
4833
4834int main(void)
4835{
4836    epoll_create(0);
4837    return 0;
4838}
4839EOF
4840if compile_prog "" "" ; then
4841  epoll=yes
4842fi
4843
4844# epoll_create1 is a later addition
4845# so we must check separately for its presence
4846epoll_create1=no
4847cat > $TMPC << EOF
4848#include <sys/epoll.h>
4849
4850int main(void)
4851{
4852    /* Note that we use epoll_create1 as a value, not as
4853     * a function being called. This is necessary so that on
4854     * old SPARC glibc versions where the function was present in
4855     * the library but not declared in the header file we will
4856     * fail the configure check. (Otherwise we will get a compiler
4857     * warning but not an error, and will proceed to fail the
4858     * qemu compile where we compile with -Werror.)
4859     */
4860    return (int)(uintptr_t)&epoll_create1;
4861}
4862EOF
4863if compile_prog "" "" ; then
4864  epoll_create1=yes
4865fi
4866
4867# check for sendfile support
4868sendfile=no
4869cat > $TMPC << EOF
4870#include <sys/sendfile.h>
4871
4872int main(void)
4873{
4874    return sendfile(0, 0, 0, 0);
4875}
4876EOF
4877if compile_prog "" "" ; then
4878  sendfile=yes
4879fi
4880
4881# check for timerfd support (glibc 2.8 and newer)
4882timerfd=no
4883cat > $TMPC << EOF
4884#include <sys/timerfd.h>
4885
4886int main(void)
4887{
4888    return(timerfd_create(CLOCK_REALTIME, 0));
4889}
4890EOF
4891if compile_prog "" "" ; then
4892  timerfd=yes
4893fi
4894
4895# check for setns and unshare support
4896setns=no
4897cat > $TMPC << EOF
4898#include <sched.h>
4899
4900int main(void)
4901{
4902    int ret;
4903    ret = setns(0, 0);
4904    ret = unshare(0);
4905    return ret;
4906}
4907EOF
4908if compile_prog "" "" ; then
4909  setns=yes
4910fi
4911
4912# clock_adjtime probe
4913clock_adjtime=no
4914cat > $TMPC <<EOF
4915#include <time.h>
4916
4917int main(void)
4918{
4919    return clock_adjtime(0, 0);
4920}
4921EOF
4922clock_adjtime=no
4923if compile_prog "" "" ; then
4924  clock_adjtime=yes
4925fi
4926
4927# syncfs probe
4928syncfs=no
4929cat > $TMPC <<EOF
4930#include <unistd.h>
4931
4932int main(void)
4933{
4934    return syncfs(0);
4935}
4936EOF
4937syncfs=no
4938if compile_prog "" "" ; then
4939  syncfs=yes
4940fi
4941
4942# check for kcov support (kernel must be 4.4+, compiled with certain options)
4943kcov=no
4944if check_include sys/kcov.h ; then
4945    kcov=yes
4946fi
4947
4948# If we're making warnings fatal, apply this to Sphinx runs as well
4949sphinx_werror=""
4950if test "$werror" = "yes"; then
4951    sphinx_werror="-W"
4952fi
4953
4954# Check we have a new enough version of sphinx-build
4955has_sphinx_build() {
4956    # This is a bit awkward but works: create a trivial document and
4957    # try to run it with our configuration file (which enforces a
4958    # version requirement). This will fail if either
4959    # sphinx-build doesn't exist at all or if it is too old.
4960    mkdir -p "$TMPDIR1/sphinx"
4961    touch "$TMPDIR1/sphinx/index.rst"
4962    "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
4963                    -b html "$TMPDIR1/sphinx" \
4964                    "$TMPDIR1/sphinx/out"  >> config.log 2>&1
4965}
4966
4967# Check if tools are available to build documentation.
4968if test "$docs" != "no" ; then
4969  if has_sphinx_build; then
4970    sphinx_ok=yes
4971  else
4972    sphinx_ok=no
4973  fi
4974  if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
4975    docs=yes
4976  else
4977    if test "$docs" = "yes" ; then
4978      if has $sphinx_build && test "$sphinx_ok" != "yes"; then
4979        echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
4980      fi
4981      feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
4982    fi
4983    docs=no
4984  fi
4985fi
4986
4987# Search for bswap_32 function
4988byteswap_h=no
4989cat > $TMPC << EOF
4990#include <byteswap.h>
4991int main(void) { return bswap_32(0); }
4992EOF
4993if compile_prog "" "" ; then
4994  byteswap_h=yes
4995fi
4996
4997# Search for bswap32 function
4998bswap_h=no
4999cat > $TMPC << EOF
5000#include <sys/endian.h>
5001#include <sys/types.h>
5002#include <machine/bswap.h>
5003int main(void) { return bswap32(0); }
5004EOF
5005if compile_prog "" "" ; then
5006  bswap_h=yes
5007fi
5008
5009##########################################
5010# Do we have libiscsi >= 1.9.0
5011if test "$libiscsi" != "no" ; then
5012  if $pkg_config --atleast-version=1.9.0 libiscsi; then
5013    libiscsi="yes"
5014    libiscsi_cflags=$($pkg_config --cflags libiscsi)
5015    libiscsi_libs=$($pkg_config --libs libiscsi)
5016  else
5017    if test "$libiscsi" = "yes" ; then
5018      feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
5019    fi
5020    libiscsi="no"
5021  fi
5022fi
5023
5024##########################################
5025# Do we need libm
5026cat > $TMPC << EOF
5027#include <math.h>
5028int main(int argc, char **argv) { return isnan(sin((double)argc)); }
5029EOF
5030if compile_prog "" "" ; then
5031  :
5032elif compile_prog "" "-lm" ; then
5033  LIBS="-lm $LIBS"
5034else
5035  error_exit "libm check failed"
5036fi
5037
5038##########################################
5039# Do we need librt
5040# uClibc provides 2 versions of clock_gettime(), one with realtime
5041# support and one without. This means that the clock_gettime() don't
5042# need -lrt. We still need it for timer_create() so we check for this
5043# function in addition.
5044cat > $TMPC <<EOF
5045#include <signal.h>
5046#include <time.h>
5047int main(void) {
5048  timer_create(CLOCK_REALTIME, NULL, NULL);
5049  return clock_gettime(CLOCK_REALTIME, NULL);
5050}
5051EOF
5052
5053if compile_prog "" "" ; then
5054  :
5055# we need pthread for static linking. use previous pthread test result
5056elif compile_prog "" "$pthread_lib -lrt" ; then
5057  LIBS="$LIBS -lrt"
5058fi
5059
5060# Check whether we need to link libutil for openpty()
5061cat > $TMPC << EOF
5062extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
5063int main(void) { return openpty(0, 0, 0, 0, 0); }
5064EOF
5065
5066have_openpty="no"
5067if compile_prog "" "" ; then
5068  have_openpty="yes"
5069else
5070  if compile_prog "" "-lutil" ; then
5071    libs_tools="-lutil $libs_tools"
5072    have_openpty="yes"
5073  fi
5074fi
5075
5076##########################################
5077# spice probe
5078if test "$spice" != "no" ; then
5079  cat > $TMPC << EOF
5080#include <spice.h>
5081int main(void) { spice_server_new(); return 0; }
5082EOF
5083  spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
5084  spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
5085  if $pkg_config --atleast-version=0.12.5 spice-server && \
5086     $pkg_config --atleast-version=0.12.3 spice-protocol && \
5087     compile_prog "$spice_cflags" "$spice_libs" ; then
5088    spice="yes"
5089    QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
5090  else
5091    if test "$spice" = "yes" ; then
5092      feature_not_found "spice" \
5093          "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
5094    fi
5095    spice="no"
5096  fi
5097fi
5098
5099# check for smartcard support
5100if test "$smartcard" != "no"; then
5101    if $pkg_config --atleast-version=2.5.1 libcacard; then
5102        libcacard_cflags=$($pkg_config --cflags libcacard)
5103        libcacard_libs=$($pkg_config --libs libcacard)
5104        smartcard="yes"
5105    else
5106        if test "$smartcard" = "yes"; then
5107            feature_not_found "smartcard" "Install libcacard devel"
5108        fi
5109        smartcard="no"
5110    fi
5111fi
5112
5113# check for libusb
5114if test "$libusb" != "no" ; then
5115    if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
5116        libusb="yes"
5117        libusb_cflags=$($pkg_config --cflags libusb-1.0)
5118        libusb_libs=$($pkg_config --libs libusb-1.0)
5119    else
5120        if test "$libusb" = "yes"; then
5121            feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5122        fi
5123        libusb="no"
5124    fi
5125fi
5126
5127# check for usbredirparser for usb network redirection support
5128if test "$usb_redir" != "no" ; then
5129    if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5130        usb_redir="yes"
5131        usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5132        usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5133    else
5134        if test "$usb_redir" = "yes"; then
5135            feature_not_found "usb-redir" "Install usbredir devel"
5136        fi
5137        usb_redir="no"
5138    fi
5139fi
5140
5141##########################################
5142# check if we have VSS SDK headers for win
5143
5144if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5145        test "$vss_win32_sdk" != "no" ; then
5146  case "$vss_win32_sdk" in
5147    "")   vss_win32_include="-isystem $source_path" ;;
5148    *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5149          # handle path with spaces. So we symlink the headers into ".sdk/vss".
5150          vss_win32_include="-isystem $source_path/.sdk/vss"
5151	  symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5152	  ;;
5153    *)    vss_win32_include="-isystem $vss_win32_sdk"
5154  esac
5155  cat > $TMPC << EOF
5156#define __MIDL_user_allocate_free_DEFINED__
5157#include <inc/win2003/vss.h>
5158int main(void) { return VSS_CTX_BACKUP; }
5159EOF
5160  if compile_prog "$vss_win32_include" "" ; then
5161    guest_agent_with_vss="yes"
5162    QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5163    libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5164    qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5165  else
5166    if test "$vss_win32_sdk" != "" ; then
5167      echo "ERROR: Please download and install Microsoft VSS SDK:"
5168      echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5169      echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5170      echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5171      echo "ERROR: The headers are extracted in the directory \`inc'."
5172      feature_not_found "VSS support"
5173    fi
5174    guest_agent_with_vss="no"
5175  fi
5176fi
5177
5178##########################################
5179# lookup Windows platform SDK (if not specified)
5180# The SDK is needed only to build .tlb (type library) file of guest agent
5181# VSS provider from the source. It is usually unnecessary because the
5182# pre-compiled .tlb file is included.
5183
5184if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5185        test "$guest_agent_with_vss" = "yes" ; then
5186  if test -z "$win_sdk"; then
5187    programfiles="$PROGRAMFILES"
5188    test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5189    if test -n "$programfiles"; then
5190      win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5191    else
5192      feature_not_found "Windows SDK"
5193    fi
5194  elif test "$win_sdk" = "no"; then
5195    win_sdk=""
5196  fi
5197fi
5198
5199##########################################
5200# check if mingw environment provides a recent ntddscsi.h
5201if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5202  cat > $TMPC << EOF
5203#include <windows.h>
5204#include <ntddscsi.h>
5205int main(void) {
5206#if !defined(IOCTL_SCSI_GET_ADDRESS)
5207#error Missing required ioctl definitions
5208#endif
5209  SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5210  return addr.Lun;
5211}
5212EOF
5213  if compile_prog "" "" ; then
5214    guest_agent_ntddscsi=yes
5215    libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5216  fi
5217fi
5218
5219##########################################
5220# virgl renderer probe
5221
5222if test "$virglrenderer" != "no" ; then
5223  cat > $TMPC << EOF
5224#include <virglrenderer.h>
5225int main(void) { virgl_renderer_poll(); return 0; }
5226EOF
5227  virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5228  virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5229  virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5230  if $pkg_config virglrenderer >/dev/null 2>&1 && \
5231     compile_prog "$virgl_cflags" "$virgl_libs" ; then
5232    virglrenderer="yes"
5233  else
5234    if test "$virglrenderer" = "yes" ; then
5235      feature_not_found "virglrenderer"
5236    fi
5237    virglrenderer="no"
5238  fi
5239fi
5240
5241##########################################
5242# capstone
5243
5244case "$capstone" in
5245  "" | yes)
5246    if $pkg_config capstone; then
5247      capstone=system
5248    elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5249      capstone=git
5250    elif test -e "${source_path}/capstone/Makefile" ; then
5251      capstone=internal
5252    elif test -z "$capstone" ; then
5253      capstone=no
5254    else
5255      feature_not_found "capstone" "Install capstone devel or git submodule"
5256    fi
5257    ;;
5258
5259  system)
5260    if ! $pkg_config capstone; then
5261      feature_not_found "capstone" "Install capstone devel"
5262    fi
5263    ;;
5264esac
5265
5266case "$capstone" in
5267  git | internal)
5268    if test "$capstone" = git; then
5269      git_submodules="${git_submodules} capstone"
5270    fi
5271    mkdir -p capstone
5272    QEMU_CFLAGS="$QEMU_CFLAGS -I${source_path}/capstone/include"
5273    if test "$mingw32" = "yes"; then
5274      LIBCAPSTONE=capstone.lib
5275    else
5276      LIBCAPSTONE=libcapstone.a
5277    fi
5278    capstone_libs="-L$PWD/capstone -lcapstone"
5279    capstone_cflags="-I${source_path}/capstone/include"
5280    ;;
5281
5282  system)
5283    capstone_libs="$($pkg_config --libs capstone)"
5284    capstone_cflags="$($pkg_config --cflags capstone)"
5285    QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5286    ;;
5287
5288  no)
5289    ;;
5290  *)
5291    error_exit "Unknown state for capstone: $capstone"
5292    ;;
5293esac
5294
5295##########################################
5296# check if we have fdatasync
5297
5298fdatasync=no
5299cat > $TMPC << EOF
5300#include <unistd.h>
5301int main(void) {
5302#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5303return fdatasync(0);
5304#else
5305#error Not supported
5306#endif
5307}
5308EOF
5309if compile_prog "" "" ; then
5310    fdatasync=yes
5311fi
5312
5313##########################################
5314# check if we have madvise
5315
5316madvise=no
5317cat > $TMPC << EOF
5318#include <sys/types.h>
5319#include <sys/mman.h>
5320#include <stddef.h>
5321int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5322EOF
5323if compile_prog "" "" ; then
5324    madvise=yes
5325fi
5326
5327##########################################
5328# check if we have posix_madvise
5329
5330posix_madvise=no
5331cat > $TMPC << EOF
5332#include <sys/mman.h>
5333#include <stddef.h>
5334int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5335EOF
5336if compile_prog "" "" ; then
5337    posix_madvise=yes
5338fi
5339
5340##########################################
5341# check if we have posix_memalign()
5342
5343posix_memalign=no
5344cat > $TMPC << EOF
5345#include <stdlib.h>
5346int main(void) {
5347    void *p;
5348    return posix_memalign(&p, 8, 8);
5349}
5350EOF
5351if compile_prog "" "" ; then
5352    posix_memalign=yes
5353fi
5354
5355##########################################
5356# check if we have posix_syslog
5357
5358posix_syslog=no
5359cat > $TMPC << EOF
5360#include <syslog.h>
5361int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5362EOF
5363if compile_prog "" "" ; then
5364    posix_syslog=yes
5365fi
5366
5367##########################################
5368# check if we have sem_timedwait
5369
5370sem_timedwait=no
5371cat > $TMPC << EOF
5372#include <semaphore.h>
5373int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5374EOF
5375if compile_prog "" "" ; then
5376    sem_timedwait=yes
5377fi
5378
5379##########################################
5380# check if we have strchrnul
5381
5382strchrnul=no
5383cat > $TMPC << EOF
5384#include <string.h>
5385int main(void);
5386// Use a haystack that the compiler shouldn't be able to constant fold
5387char *haystack = (char*)&main;
5388int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5389EOF
5390if compile_prog "" "" ; then
5391    strchrnul=yes
5392fi
5393
5394#########################################
5395# check if we have st_atim
5396
5397st_atim=no
5398cat > $TMPC << EOF
5399#include <sys/stat.h>
5400#include <stddef.h>
5401int main(void) { return offsetof(struct stat, st_atim); }
5402EOF
5403if compile_prog "" "" ; then
5404    st_atim=yes
5405fi
5406
5407##########################################
5408# check if trace backend exists
5409
5410$python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5411if test "$?" -ne 0 ; then
5412  error_exit "invalid trace backends" \
5413      "Please choose supported trace backends."
5414fi
5415
5416##########################################
5417# For 'ust' backend, test if ust headers are present
5418if have_backend "ust"; then
5419  cat > $TMPC << EOF
5420#include <lttng/tracepoint.h>
5421int main(void) { return 0; }
5422EOF
5423  if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5424    if $pkg_config lttng-ust --exists; then
5425      lttng_ust_libs=$($pkg_config --libs lttng-ust)
5426    else
5427      lttng_ust_libs="-llttng-ust -ldl"
5428    fi
5429    if $pkg_config liburcu-bp --exists; then
5430      urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5431    else
5432      urcu_bp_libs="-lurcu-bp"
5433    fi
5434
5435    LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5436  else
5437    error_exit "Trace backend 'ust' missing lttng-ust header files"
5438  fi
5439fi
5440
5441##########################################
5442# For 'dtrace' backend, test if 'dtrace' command is present
5443if have_backend "dtrace"; then
5444  if ! has 'dtrace' ; then
5445    error_exit "dtrace command is not found in PATH $PATH"
5446  fi
5447  trace_backend_stap="no"
5448  if has 'stap' ; then
5449    trace_backend_stap="yes"
5450  fi
5451fi
5452
5453##########################################
5454# check and set a backend for coroutine
5455
5456# We prefer ucontext, but it's not always possible. The fallback
5457# is sigcontext. On Windows the only valid backend is the Windows
5458# specific one.
5459
5460ucontext_works=no
5461if test "$darwin" != "yes"; then
5462  cat > $TMPC << EOF
5463#include <ucontext.h>
5464#ifdef __stub_makecontext
5465#error Ignoring glibc stub makecontext which will always fail
5466#endif
5467int main(void) { makecontext(0, 0, 0); return 0; }
5468EOF
5469  if compile_prog "" "" ; then
5470    ucontext_works=yes
5471  fi
5472fi
5473
5474if test "$coroutine" = ""; then
5475  if test "$mingw32" = "yes"; then
5476    coroutine=win32
5477  elif test "$ucontext_works" = "yes"; then
5478    coroutine=ucontext
5479  else
5480    coroutine=sigaltstack
5481  fi
5482else
5483  case $coroutine in
5484  windows)
5485    if test "$mingw32" != "yes"; then
5486      error_exit "'windows' coroutine backend only valid for Windows"
5487    fi
5488    # Unfortunately the user visible backend name doesn't match the
5489    # coroutine-*.c filename for this case, so we have to adjust it here.
5490    coroutine=win32
5491    ;;
5492  ucontext)
5493    if test "$ucontext_works" != "yes"; then
5494      feature_not_found "ucontext"
5495    fi
5496    ;;
5497  sigaltstack)
5498    if test "$mingw32" = "yes"; then
5499      error_exit "only the 'windows' coroutine backend is valid for Windows"
5500    fi
5501    ;;
5502  *)
5503    error_exit "unknown coroutine backend $coroutine"
5504    ;;
5505  esac
5506fi
5507
5508if test "$coroutine_pool" = ""; then
5509  coroutine_pool=yes
5510fi
5511
5512if test "$debug_stack_usage" = "yes"; then
5513  if test "$coroutine_pool" = "yes"; then
5514    echo "WARN: disabling coroutine pool for stack usage debugging"
5515    coroutine_pool=no
5516  fi
5517fi
5518
5519##################################################
5520# SafeStack
5521
5522
5523if test "$safe_stack" = "yes"; then
5524cat > $TMPC << EOF
5525int main(int argc, char *argv[])
5526{
5527#if ! __has_feature(safe_stack)
5528#error SafeStack Disabled
5529#endif
5530    return 0;
5531}
5532EOF
5533  flag="-fsanitize=safe-stack"
5534  # Check that safe-stack is supported and enabled.
5535  if compile_prog "-Werror $flag" "$flag"; then
5536    # Flag needed both at compilation and at linking
5537    QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5538    QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5539  else
5540    error_exit "SafeStack not supported by your compiler"
5541  fi
5542  if test "$coroutine" != "ucontext"; then
5543    error_exit "SafeStack is only supported by the coroutine backend ucontext"
5544  fi
5545else
5546cat > $TMPC << EOF
5547int main(int argc, char *argv[])
5548{
5549#if defined(__has_feature)
5550#if __has_feature(safe_stack)
5551#error SafeStack Enabled
5552#endif
5553#endif
5554    return 0;
5555}
5556EOF
5557if test "$safe_stack" = "no"; then
5558  # Make sure that safe-stack is disabled
5559  if ! compile_prog "-Werror" ""; then
5560    # SafeStack was already enabled, try to explicitly remove the feature
5561    flag="-fno-sanitize=safe-stack"
5562    if ! compile_prog "-Werror $flag" "$flag"; then
5563      error_exit "Configure cannot disable SafeStack"
5564    fi
5565    QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5566    QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5567  fi
5568else # "$safe_stack" = ""
5569  # Set safe_stack to yes or no based on pre-existing flags
5570  if compile_prog "-Werror" ""; then
5571    safe_stack="no"
5572  else
5573    safe_stack="yes"
5574    if test "$coroutine" != "ucontext"; then
5575      error_exit "SafeStack is only supported by the coroutine backend ucontext"
5576    fi
5577  fi
5578fi
5579fi
5580
5581##########################################
5582# check if we have open_by_handle_at
5583
5584open_by_handle_at=no
5585cat > $TMPC << EOF
5586#include <fcntl.h>
5587#if !defined(AT_EMPTY_PATH)
5588# error missing definition
5589#else
5590int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5591#endif
5592EOF
5593if compile_prog "" "" ; then
5594    open_by_handle_at=yes
5595fi
5596
5597########################################
5598# check if we have linux/magic.h
5599
5600linux_magic_h=no
5601cat > $TMPC << EOF
5602#include <linux/magic.h>
5603int main(void) {
5604  return 0;
5605}
5606EOF
5607if compile_prog "" "" ; then
5608    linux_magic_h=yes
5609fi
5610
5611########################################
5612# check if we have valgrind/valgrind.h
5613
5614valgrind_h=no
5615cat > $TMPC << EOF
5616#include <valgrind/valgrind.h>
5617int main(void) {
5618  return 0;
5619}
5620EOF
5621if compile_prog "" "" ; then
5622    valgrind_h=yes
5623fi
5624
5625########################################
5626# check if environ is declared
5627
5628has_environ=no
5629cat > $TMPC << EOF
5630#include <unistd.h>
5631int main(void) {
5632    environ = 0;
5633    return 0;
5634}
5635EOF
5636if compile_prog "" "" ; then
5637    has_environ=yes
5638fi
5639
5640########################################
5641# check if cpuid.h is usable.
5642
5643cat > $TMPC << EOF
5644#include <cpuid.h>
5645int main(void) {
5646    unsigned a, b, c, d;
5647    int max = __get_cpuid_max(0, 0);
5648
5649    if (max >= 1) {
5650        __cpuid(1, a, b, c, d);
5651    }
5652
5653    if (max >= 7) {
5654        __cpuid_count(7, 0, a, b, c, d);
5655    }
5656
5657    return 0;
5658}
5659EOF
5660if compile_prog "" "" ; then
5661    cpuid_h=yes
5662fi
5663
5664##########################################
5665# avx2 optimization requirement check
5666#
5667# There is no point enabling this if cpuid.h is not usable,
5668# since we won't be able to select the new routines.
5669
5670if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5671  cat > $TMPC << EOF
5672#pragma GCC push_options
5673#pragma GCC target("avx2")
5674#include <cpuid.h>
5675#include <immintrin.h>
5676static int bar(void *a) {
5677    __m256i x = *(__m256i *)a;
5678    return _mm256_testz_si256(x, x);
5679}
5680int main(int argc, char *argv[]) { return bar(argv[0]); }
5681EOF
5682  if compile_object "" ; then
5683    avx2_opt="yes"
5684  else
5685    avx2_opt="no"
5686  fi
5687fi
5688
5689##########################################
5690# avx512f optimization requirement check
5691#
5692# There is no point enabling this if cpuid.h is not usable,
5693# since we won't be able to select the new routines.
5694# by default, it is turned off.
5695# if user explicitly want to enable it, check environment
5696
5697if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5698  cat > $TMPC << EOF
5699#pragma GCC push_options
5700#pragma GCC target("avx512f")
5701#include <cpuid.h>
5702#include <immintrin.h>
5703static int bar(void *a) {
5704    __m512i x = *(__m512i *)a;
5705    return _mm512_test_epi64_mask(x, x);
5706}
5707int main(int argc, char *argv[])
5708{
5709	return bar(argv[0]);
5710}
5711EOF
5712  if ! compile_object "" ; then
5713    avx512f_opt="no"
5714  fi
5715else
5716  avx512f_opt="no"
5717fi
5718
5719########################################
5720# check if __[u]int128_t is usable.
5721
5722int128=no
5723cat > $TMPC << EOF
5724__int128_t a;
5725__uint128_t b;
5726int main (void) {
5727  a = a + b;
5728  b = a * b;
5729  a = a * a;
5730  return 0;
5731}
5732EOF
5733if compile_prog "" "" ; then
5734    int128=yes
5735fi
5736
5737#########################################
5738# See if 128-bit atomic operations are supported.
5739
5740atomic128=no
5741if test "$int128" = "yes"; then
5742  cat > $TMPC << EOF
5743int main(void)
5744{
5745  unsigned __int128 x = 0, y = 0;
5746  y = __atomic_load_16(&x, 0);
5747  __atomic_store_16(&x, y, 0);
5748  __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5749  return 0;
5750}
5751EOF
5752  if compile_prog "" "" ; then
5753    atomic128=yes
5754  fi
5755fi
5756
5757cmpxchg128=no
5758if test "$int128" = yes && test "$atomic128" = no; then
5759  cat > $TMPC << EOF
5760int main(void)
5761{
5762  unsigned __int128 x = 0, y = 0;
5763  __sync_val_compare_and_swap_16(&x, y, x);
5764  return 0;
5765}
5766EOF
5767  if compile_prog "" "" ; then
5768    cmpxchg128=yes
5769  fi
5770fi
5771
5772#########################################
5773# See if 64-bit atomic operations are supported.
5774# Note that without __atomic builtins, we can only
5775# assume atomic loads/stores max at pointer size.
5776
5777cat > $TMPC << EOF
5778#include <stdint.h>
5779int main(void)
5780{
5781  uint64_t x = 0, y = 0;
5782#ifdef __ATOMIC_RELAXED
5783  y = __atomic_load_8(&x, 0);
5784  __atomic_store_8(&x, y, 0);
5785  __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5786  __atomic_exchange_8(&x, y, 0);
5787  __atomic_fetch_add_8(&x, y, 0);
5788#else
5789  typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5790  __sync_lock_test_and_set(&x, y);
5791  __sync_val_compare_and_swap(&x, y, 0);
5792  __sync_fetch_and_add(&x, y);
5793#endif
5794  return 0;
5795}
5796EOF
5797if compile_prog "" "" ; then
5798  atomic64=yes
5799fi
5800
5801#########################################
5802# See if --dynamic-list is supported by the linker
5803ld_dynamic_list="no"
5804if test "$static" = "no" ; then
5805    cat > $TMPTXT <<EOF
5806{
5807  foo;
5808};
5809EOF
5810
5811    cat > $TMPC <<EOF
5812#include <stdio.h>
5813void foo(void);
5814
5815void foo(void)
5816{
5817  printf("foo\n");
5818}
5819
5820int main(void)
5821{
5822  foo();
5823  return 0;
5824}
5825EOF
5826
5827    if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5828        ld_dynamic_list="yes"
5829    fi
5830fi
5831
5832#########################################
5833# See if -exported_symbols_list is supported by the linker
5834
5835ld_exported_symbols_list="no"
5836if test "$static" = "no" ; then
5837    cat > $TMPTXT <<EOF
5838  _foo
5839EOF
5840
5841    if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5842        ld_exported_symbols_list="yes"
5843    fi
5844fi
5845
5846if  test "$plugins" = "yes" &&
5847    test "$ld_dynamic_list" = "no" &&
5848    test "$ld_exported_symbols_list" = "no" ; then
5849  error_exit \
5850      "Plugin support requires dynamic linking and specifying a set of symbols " \
5851      "that are exported to plugins. Unfortunately your linker doesn't " \
5852      "support the flag (--dynamic-list or -exported_symbols_list) used " \
5853      "for this purpose. You can't build with --static."
5854fi
5855
5856########################################
5857# See if __attribute__((alias)) is supported.
5858# This false for Xcode 9, but has been remedied for Xcode 10.
5859# Unfortunately, travis uses Xcode 9 by default.
5860
5861attralias=no
5862cat > $TMPC << EOF
5863int x = 1;
5864extern const int y __attribute__((alias("x")));
5865int main(void) { return 0; }
5866EOF
5867if compile_prog "" "" ; then
5868    attralias=yes
5869fi
5870
5871########################################
5872# check if getauxval is available.
5873
5874getauxval=no
5875cat > $TMPC << EOF
5876#include <sys/auxv.h>
5877int main(void) {
5878  return getauxval(AT_HWCAP) == 0;
5879}
5880EOF
5881if compile_prog "" "" ; then
5882    getauxval=yes
5883fi
5884
5885########################################
5886# check if ccache is interfering with
5887# semantic analysis of macros
5888
5889unset CCACHE_CPP2
5890ccache_cpp2=no
5891cat > $TMPC << EOF
5892static const int Z = 1;
5893#define fn() ({ Z; })
5894#define TAUT(X) ((X) == Z)
5895#define PAREN(X, Y) (X == Y)
5896#define ID(X) (X)
5897int main(int argc, char *argv[])
5898{
5899    int x = 0, y = 0;
5900    x = ID(x);
5901    x = fn();
5902    fn();
5903    if (PAREN(x, y)) return 0;
5904    if (TAUT(Z)) return 0;
5905    return 0;
5906}
5907EOF
5908
5909if ! compile_object "-Werror"; then
5910    ccache_cpp2=yes
5911fi
5912
5913#################################################
5914# clang does not support glibc + FORTIFY_SOURCE.
5915
5916if test "$fortify_source" != "no"; then
5917  if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5918    fortify_source="no";
5919  elif test -n "$cxx" && has $cxx &&
5920       echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5921    fortify_source="no";
5922  else
5923    fortify_source="yes"
5924  fi
5925fi
5926
5927###############################################
5928# Check if copy_file_range is provided by glibc
5929have_copy_file_range=no
5930cat > $TMPC << EOF
5931#include <unistd.h>
5932int main(void) {
5933  copy_file_range(0, NULL, 0, NULL, 0, 0);
5934  return 0;
5935}
5936EOF
5937if compile_prog "" "" ; then
5938    have_copy_file_range=yes
5939fi
5940
5941##########################################
5942# check if struct fsxattr is available via linux/fs.h
5943
5944have_fsxattr=no
5945cat > $TMPC << EOF
5946#include <linux/fs.h>
5947struct fsxattr foo;
5948int main(void) {
5949  return 0;
5950}
5951EOF
5952if compile_prog "" "" ; then
5953    have_fsxattr=yes
5954fi
5955
5956##########################################
5957# check for usable membarrier system call
5958if test "$membarrier" = "yes"; then
5959    have_membarrier=no
5960    if test "$mingw32" = "yes" ; then
5961        have_membarrier=yes
5962    elif test "$linux" = "yes" ; then
5963        cat > $TMPC << EOF
5964    #include <linux/membarrier.h>
5965    #include <sys/syscall.h>
5966    #include <unistd.h>
5967    #include <stdlib.h>
5968    int main(void) {
5969        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5970        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5971	exit(0);
5972    }
5973EOF
5974        if compile_prog "" "" ; then
5975            have_membarrier=yes
5976        fi
5977    fi
5978    if test "$have_membarrier" = "no"; then
5979      feature_not_found "membarrier" "membarrier system call not available"
5980    fi
5981else
5982    # Do not enable it by default even for Mingw32, because it doesn't
5983    # work on Wine.
5984    membarrier=no
5985fi
5986
5987##########################################
5988# check if rtnetlink.h exists and is useful
5989have_rtnetlink=no
5990cat > $TMPC << EOF
5991#include <linux/rtnetlink.h>
5992int main(void) {
5993  return IFLA_PROTO_DOWN;
5994}
5995EOF
5996if compile_prog "" "" ; then
5997    have_rtnetlink=yes
5998fi
5999
6000##########################################
6001# check for usable AF_VSOCK environment
6002have_af_vsock=no
6003cat > $TMPC << EOF
6004#include <errno.h>
6005#include <sys/types.h>
6006#include <sys/socket.h>
6007#if !defined(AF_VSOCK)
6008# error missing AF_VSOCK flag
6009#endif
6010#include <linux/vm_sockets.h>
6011int main(void) {
6012    int sock, ret;
6013    struct sockaddr_vm svm;
6014    socklen_t len = sizeof(svm);
6015    sock = socket(AF_VSOCK, SOCK_STREAM, 0);
6016    ret = getpeername(sock, (struct sockaddr *)&svm, &len);
6017    if ((ret == -1) && (errno == ENOTCONN)) {
6018        return 0;
6019    }
6020    return -1;
6021}
6022EOF
6023if compile_prog "" "" ; then
6024    have_af_vsock=yes
6025fi
6026
6027##########################################
6028# check for usable AF_ALG environment
6029have_afalg=no
6030cat > $TMPC << EOF
6031#include <errno.h>
6032#include <sys/types.h>
6033#include <sys/socket.h>
6034#include <linux/if_alg.h>
6035int main(void) {
6036    int sock;
6037    sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
6038    return sock;
6039}
6040EOF
6041if compile_prog "" "" ; then
6042    have_afalg=yes
6043fi
6044if test "$crypto_afalg" = "yes"
6045then
6046    if test "$have_afalg" != "yes"
6047    then
6048	error_exit "AF_ALG requested but could not be detected"
6049    fi
6050fi
6051
6052
6053#################################################
6054# Check to see if we have the Hypervisor framework
6055if [ "$darwin" = "yes" ] ; then
6056  cat > $TMPC << EOF
6057#include <Hypervisor/hv.h>
6058int main() { return 0;}
6059EOF
6060  if ! compile_object ""; then
6061    hvf='no'
6062  else
6063    hvf='yes'
6064    QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
6065  fi
6066fi
6067
6068##########################################
6069# check for sysmacros.h
6070
6071have_sysmacros=no
6072cat > $TMPC << EOF
6073#include <sys/sysmacros.h>
6074int main(void) {
6075    return makedev(0, 0);
6076}
6077EOF
6078if compile_prog "" "" ; then
6079    have_sysmacros=yes
6080fi
6081
6082##########################################
6083# check for _Static_assert()
6084
6085have_static_assert=no
6086cat > $TMPC << EOF
6087_Static_assert(1, "success");
6088int main(void) {
6089    return 0;
6090}
6091EOF
6092if compile_prog "" "" ; then
6093    have_static_assert=yes
6094fi
6095
6096##########################################
6097# check for utmpx.h, it is missing e.g. on OpenBSD
6098
6099have_utmpx=no
6100cat > $TMPC << EOF
6101#include <utmpx.h>
6102struct utmpx user_info;
6103int main(void) {
6104    return 0;
6105}
6106EOF
6107if compile_prog "" "" ; then
6108    have_utmpx=yes
6109fi
6110
6111##########################################
6112# check for getrandom()
6113
6114have_getrandom=no
6115cat > $TMPC << EOF
6116#include <sys/random.h>
6117int main(void) {
6118    return getrandom(0, 0, GRND_NONBLOCK);
6119}
6120EOF
6121if compile_prog "" "" ; then
6122    have_getrandom=yes
6123fi
6124
6125##########################################
6126# checks for sanitizers
6127
6128have_asan=no
6129have_ubsan=no
6130have_asan_iface_h=no
6131have_asan_iface_fiber=no
6132
6133if test "$sanitizers" = "yes" ; then
6134  write_c_skeleton
6135  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6136      have_asan=yes
6137  fi
6138
6139  # we could use a simple skeleton for flags checks, but this also
6140  # detect the static linking issue of ubsan, see also:
6141  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6142  cat > $TMPC << EOF
6143#include <stdlib.h>
6144int main(void) {
6145    void *tmp = malloc(10);
6146    if (tmp != NULL) {
6147        return *(int *)(tmp + 2);
6148    }
6149    return 1;
6150}
6151EOF
6152  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6153      have_ubsan=yes
6154  fi
6155
6156  if check_include "sanitizer/asan_interface.h" ; then
6157      have_asan_iface_h=yes
6158  fi
6159
6160  cat > $TMPC << EOF
6161#include <sanitizer/asan_interface.h>
6162int main(void) {
6163  __sanitizer_start_switch_fiber(0, 0, 0);
6164  return 0;
6165}
6166EOF
6167  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6168      have_asan_iface_fiber=yes
6169  fi
6170fi
6171
6172##########################################
6173# checks for fuzzer
6174if test "$fuzzing" = "yes" ; then
6175  write_c_fuzzer_skeleton
6176  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
6177    have_fuzzer=yes
6178  else
6179    error_exit "Your compiler doesn't support -fsanitize=fuzzer"
6180    exit 1
6181  fi
6182fi
6183
6184# Thread sanitizer is, for now, much noisier than the other sanitizers;
6185# keep it separate until that is not the case.
6186if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
6187  error_exit "TSAN is not supported with other sanitiziers."
6188fi
6189have_tsan=no
6190have_tsan_iface_fiber=no
6191if test "$tsan" = "yes" ; then
6192  write_c_skeleton
6193  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6194      have_tsan=yes
6195  fi
6196  cat > $TMPC << EOF
6197#include <sanitizer/tsan_interface.h>
6198int main(void) {
6199  __tsan_create_fiber(0);
6200  return 0;
6201}
6202EOF
6203  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6204      have_tsan_iface_fiber=yes
6205  fi
6206fi
6207
6208##########################################
6209# check for libpmem
6210
6211if test "$libpmem" != "no"; then
6212	if $pkg_config --exists "libpmem"; then
6213		libpmem="yes"
6214		libpmem_libs=$($pkg_config --libs libpmem)
6215		libpmem_cflags=$($pkg_config --cflags libpmem)
6216		QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6217	else
6218		if test "$libpmem" = "yes" ; then
6219			feature_not_found "libpmem" "Install nvml or pmdk"
6220		fi
6221		libpmem="no"
6222	fi
6223fi
6224
6225##########################################
6226# check for libdaxctl
6227
6228if test "$libdaxctl" != "no"; then
6229	if $pkg_config --atleast-version=57 "libdaxctl"; then
6230		libdaxctl="yes"
6231		libdaxctl_libs=$($pkg_config --libs libdaxctl)
6232		libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
6233		QEMU_CFLAGS="$QEMU_CFLAGS $libdaxctl_cflags"
6234	else
6235		if test "$libdaxctl" = "yes" ; then
6236			feature_not_found "libdaxctl" "Install libdaxctl"
6237		fi
6238		libdaxctl="no"
6239	fi
6240fi
6241
6242##########################################
6243# check for slirp
6244
6245# slirp is only required when building softmmu targets
6246if test -z "$slirp" -a "$softmmu" != "yes" ; then
6247    slirp="no"
6248fi
6249
6250case "$slirp" in
6251  "" | yes)
6252    if $pkg_config slirp; then
6253      slirp=system
6254    elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6255      slirp=git
6256    elif test -e "${source_path}/slirp/Makefile" ; then
6257      slirp=internal
6258    elif test -z "$slirp" ; then
6259      slirp=no
6260    else
6261      feature_not_found "slirp" "Install slirp devel or git submodule"
6262    fi
6263    ;;
6264
6265  system)
6266    if ! $pkg_config slirp; then
6267      feature_not_found "slirp" "Install slirp devel"
6268    fi
6269    ;;
6270esac
6271
6272case "$slirp" in
6273  git | internal)
6274    if test "$slirp" = git; then
6275      git_submodules="${git_submodules} slirp"
6276    fi
6277    mkdir -p slirp
6278    slirp_cflags="-I${source_path}/slirp/src -I$PWD/slirp/src"
6279    slirp_libs="-L$PWD/slirp -lslirp"
6280    if test "$mingw32" = "yes" ; then
6281      slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6282    fi
6283    ;;
6284
6285  system)
6286    slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6287    slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6288    slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6289    ;;
6290
6291  no)
6292    ;;
6293  *)
6294    error_exit "Unknown state for slirp: $slirp"
6295    ;;
6296esac
6297
6298##########################################
6299# check for usable __NR_keyctl syscall
6300
6301if test "$linux" = "yes" ; then
6302
6303    have_keyring=no
6304    cat > $TMPC << EOF
6305#include <errno.h>
6306#include <asm/unistd.h>
6307#include <linux/keyctl.h>
6308#include <unistd.h>
6309int main(void) {
6310    return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
6311}
6312EOF
6313    if compile_prog "" "" ; then
6314        have_keyring=yes
6315    fi
6316fi
6317if test "$secret_keyring" != "no"
6318then
6319    if test "$have_keyring" = "yes"
6320    then
6321	secret_keyring=yes
6322    else
6323	if test "$secret_keyring" = "yes"
6324	then
6325	    error_exit "syscall __NR_keyctl requested, \
6326but not implemented on your system"
6327	else
6328	    secret_keyring=no
6329	fi
6330    fi
6331fi
6332
6333##########################################
6334# check for usable keyutils.h
6335
6336if test "$linux" = "yes" ; then
6337
6338    have_keyutils=no
6339    cat > $TMPC << EOF
6340#include <errno.h>
6341#include <asm/unistd.h>
6342#include <unistd.h>
6343#include <sys/types.h>
6344#include <keyutils.h>
6345int main(void) {
6346    return request_key("user", NULL, NULL, 0);
6347}
6348EOF
6349    if compile_prog "" "-lkeyutils"; then
6350        have_keyutils=yes
6351    fi
6352fi
6353
6354
6355##########################################
6356# End of CC checks
6357# After here, no more $cc or $ld runs
6358
6359write_c_skeleton
6360
6361if test "$gcov" = "yes" ; then
6362  :
6363elif test "$fortify_source" = "yes" ; then
6364  QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
6365  debug=no
6366fi
6367if test "$debug_info" = "yes"; then
6368  CFLAGS="-g $CFLAGS"
6369  LDFLAGS="-g $LDFLAGS"
6370fi
6371if test "$debug" = "no"; then
6372  CFLAGS="-O2 $CFLAGS"
6373fi
6374
6375case "$ARCH" in
6376alpha)
6377  # Ensure there's only a single GP
6378  QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
6379;;
6380esac
6381
6382if test "$gprof" = "yes" ; then
6383  QEMU_CFLAGS="-p $QEMU_CFLAGS"
6384  QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
6385fi
6386
6387if test "$have_asan" = "yes"; then
6388  QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6389  QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6390  if test "$have_asan_iface_h" = "no" ; then
6391      echo "ASAN build enabled, but ASAN header missing." \
6392           "Without code annotation, the report may be inferior."
6393  elif test "$have_asan_iface_fiber" = "no" ; then
6394      echo "ASAN build enabled, but ASAN header is too old." \
6395           "Without code annotation, the report may be inferior."
6396  fi
6397fi
6398if test "$have_tsan" = "yes" ; then
6399  if test "$have_tsan_iface_fiber" = "yes" ; then
6400    QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
6401    QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
6402  else
6403    error_exit "Cannot enable TSAN due to missing fiber annotation interface."
6404  fi
6405elif test "$tsan" = "yes" ; then
6406  error_exit "Cannot enable TSAN due to missing sanitize thread interface."
6407fi
6408if test "$have_ubsan" = "yes"; then
6409  QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6410  QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6411fi
6412
6413##########################################
6414# Do we have libnfs
6415if test "$libnfs" != "no" ; then
6416  if $pkg_config --atleast-version=1.9.3 libnfs; then
6417    libnfs="yes"
6418    libnfs_libs=$($pkg_config --libs libnfs)
6419  else
6420    if test "$libnfs" = "yes" ; then
6421      feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6422    fi
6423    libnfs="no"
6424  fi
6425fi
6426
6427##########################################
6428# Do we have libudev
6429if test "$libudev" != "no" ; then
6430  if $pkg_config libudev && test "$static" != "yes"; then
6431    libudev="yes"
6432    libudev_libs=$($pkg_config --libs libudev)
6433  else
6434    libudev="no"
6435  fi
6436fi
6437
6438# Now we've finished running tests it's OK to add -Werror to the compiler flags
6439if test "$werror" = "yes"; then
6440    QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6441fi
6442
6443# Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
6444if test "$solaris" = "no" && test "$tsan" = "no"; then
6445    if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6446        QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6447    fi
6448fi
6449
6450# test if pod2man has --utf8 option
6451if pod2man --help | grep -q utf8; then
6452    POD2MAN="pod2man --utf8"
6453else
6454    POD2MAN="pod2man"
6455fi
6456
6457# Use ASLR, no-SEH and DEP if available
6458if test "$mingw32" = "yes" ; then
6459    for flag in --dynamicbase --no-seh --nxcompat; do
6460        if ld_has $flag ; then
6461            QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6462        fi
6463    done
6464fi
6465
6466# Disable OpenBSD W^X if available
6467if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6468    cat > $TMPC <<EOF
6469    int main(void) { return 0; }
6470EOF
6471    wx_ldflags="-Wl,-z,wxneeded"
6472    if compile_prog "" "$wx_ldflags"; then
6473        QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6474    fi
6475fi
6476
6477qemu_confdir=$sysconfdir$confsuffix
6478qemu_moddir=$libdir$confsuffix
6479qemu_datadir=$datadir$confsuffix
6480qemu_localedir="$datadir/locale"
6481qemu_icondir="$datadir/icons"
6482qemu_desktopdir="$datadir/applications"
6483
6484# We can only support ivshmem if we have eventfd
6485if [ "$eventfd" = "yes" ]; then
6486  ivshmem=yes
6487fi
6488
6489if test "$softmmu" = yes ; then
6490  if test "$linux" = yes; then
6491    if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6492      virtfs=yes
6493    else
6494      if test "$virtfs" = yes; then
6495        error_exit "VirtFS requires libcap-ng devel and libattr devel"
6496      fi
6497      virtfs=no
6498    fi
6499    if test "$mpath" != no && test "$mpathpersist" = yes ; then
6500      mpath=yes
6501    else
6502      if test "$mpath" = yes; then
6503        error_exit "Multipath requires libmpathpersist devel"
6504      fi
6505      mpath=no
6506    fi
6507  else
6508    if test "$virtfs" = yes; then
6509      error_exit "VirtFS is supported only on Linux"
6510    fi
6511    virtfs=no
6512    if test "$mpath" = yes; then
6513      error_exit "Multipath is supported only on Linux"
6514    fi
6515    mpath=no
6516  fi
6517fi
6518
6519# Probe for guest agent support/options
6520
6521if [ "$guest_agent" != "no" ]; then
6522  if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6523      guest_agent=no
6524  elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6525      guest_agent=yes
6526  elif [ "$guest_agent" != yes ]; then
6527      guest_agent=no
6528  else
6529      error_exit "Guest agent is not supported on this platform"
6530  fi
6531fi
6532
6533# Guest agent Window MSI  package
6534
6535if test "$guest_agent" != yes; then
6536  if test "$guest_agent_msi" = yes; then
6537    error_exit "MSI guest agent package requires guest agent enabled"
6538  fi
6539  guest_agent_msi=no
6540elif test "$mingw32" != "yes"; then
6541  if test "$guest_agent_msi" = "yes"; then
6542    error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6543  fi
6544  guest_agent_msi=no
6545elif ! has wixl; then
6546  if test "$guest_agent_msi" = "yes"; then
6547    error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6548  fi
6549  guest_agent_msi=no
6550else
6551  # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6552  # disabled explicitly
6553  if test "$guest_agent_msi" != "no"; then
6554    guest_agent_msi=yes
6555  fi
6556fi
6557
6558if test "$guest_agent_msi" = "yes"; then
6559  if test "$guest_agent_with_vss" = "yes"; then
6560    QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6561  fi
6562
6563  if test "$QEMU_GA_MANUFACTURER" = ""; then
6564    QEMU_GA_MANUFACTURER=QEMU
6565  fi
6566
6567  if test "$QEMU_GA_DISTRO" = ""; then
6568    QEMU_GA_DISTRO=Linux
6569  fi
6570
6571  if test "$QEMU_GA_VERSION" = ""; then
6572      QEMU_GA_VERSION=$(cat $source_path/VERSION)
6573  fi
6574
6575  QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6576
6577  case "$cpu" in
6578  x86_64)
6579    QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6580    ;;
6581  i386)
6582    QEMU_GA_MSI_ARCH="-D Arch=32"
6583    ;;
6584  *)
6585    error_exit "CPU $cpu not supported for building installation package"
6586    ;;
6587  esac
6588fi
6589
6590# Mac OS X ships with a broken assembler
6591roms=
6592if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6593        test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6594        test "$softmmu" = yes ; then
6595    # Different host OS linkers have different ideas about the name of the ELF
6596    # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6597    # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6598    for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6599        if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6600            ld_i386_emulation="$emu"
6601            roms="optionrom"
6602            break
6603        fi
6604    done
6605fi
6606
6607# Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6608if test "$cpu" = "s390x" ; then
6609  write_c_skeleton
6610  if compile_prog "-march=z900" ""; then
6611    roms="$roms s390-ccw"
6612    # SLOF is required for building the s390-ccw firmware on s390x,
6613    # since it is using the libnet code from SLOF for network booting.
6614    if test -e "${source_path}/.git" ; then
6615      git_submodules="${git_submodules} roms/SLOF"
6616    fi
6617  fi
6618fi
6619
6620# Check that the C++ compiler exists and works with the C compiler.
6621# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6622if has $cxx; then
6623    cat > $TMPC <<EOF
6624int c_function(void);
6625int main(void) { return c_function(); }
6626EOF
6627
6628    compile_object
6629
6630    cat > $TMPCXX <<EOF
6631extern "C" {
6632   int c_function(void);
6633}
6634int c_function(void) { return 42; }
6635EOF
6636
6637    update_cxxflags
6638
6639    if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6640        # C++ compiler $cxx works ok with C compiler $cc
6641        :
6642    else
6643        echo "C++ compiler $cxx does not work with C compiler $cc"
6644        echo "Disabling C++ specific optional code"
6645        cxx=
6646    fi
6647else
6648    echo "No C++ compiler available; disabling C++ specific optional code"
6649    cxx=
6650fi
6651
6652echo_version() {
6653    if test "$1" = "yes" ; then
6654        echo "($2)"
6655    fi
6656}
6657
6658# prepend ftd flags after all config tests are done
6659QEMU_CFLAGS="$fdt_cflags $QEMU_CFLAGS"
6660QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6661
6662config_host_mak="config-host.mak"
6663
6664echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6665
6666echo "# Automatically generated by configure - do not modify" > $config_host_mak
6667echo >> $config_host_mak
6668
6669echo all: >> $config_host_mak
6670echo "prefix=$prefix" >> $config_host_mak
6671echo "bindir=$bindir" >> $config_host_mak
6672echo "libdir=$libdir" >> $config_host_mak
6673echo "libexecdir=$libexecdir" >> $config_host_mak
6674echo "includedir=$includedir" >> $config_host_mak
6675echo "mandir=$mandir" >> $config_host_mak
6676echo "sysconfdir=$sysconfdir" >> $config_host_mak
6677echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6678echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6679echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6680echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6681echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6682if test "$mingw32" = "no" ; then
6683  echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6684fi
6685echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6686echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6687echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6688echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6689echo "GIT=$git" >> $config_host_mak
6690echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6691echo "GIT_UPDATE=$git_update" >> $config_host_mak
6692
6693echo "ARCH=$ARCH" >> $config_host_mak
6694
6695if test "$default_devices" = "yes" ; then
6696  echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6697else
6698  echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6699fi
6700if test "$debug_tcg" = "yes" ; then
6701  echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6702fi
6703if test "$strip_opt" = "yes" ; then
6704  echo "STRIP=${strip}" >> $config_host_mak
6705fi
6706if test "$bigendian" = "yes" ; then
6707  echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6708fi
6709if test "$mingw32" = "yes" ; then
6710  echo "CONFIG_WIN32=y" >> $config_host_mak
6711  rc_version=$(cat $source_path/VERSION)
6712  version_major=${rc_version%%.*}
6713  rc_version=${rc_version#*.}
6714  version_minor=${rc_version%%.*}
6715  rc_version=${rc_version#*.}
6716  version_subminor=${rc_version%%.*}
6717  version_micro=0
6718  echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6719  echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6720  if test "$guest_agent_with_vss" = "yes" ; then
6721    echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6722    echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6723    echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6724  fi
6725  if test "$guest_agent_ntddscsi" = "yes" ; then
6726    echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6727  fi
6728  if test "$guest_agent_msi" = "yes"; then
6729    echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6730    echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6731    echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6732    echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6733    echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6734    echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6735    echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6736  fi
6737else
6738  echo "CONFIG_POSIX=y" >> $config_host_mak
6739fi
6740
6741if test "$linux" = "yes" ; then
6742  echo "CONFIG_LINUX=y" >> $config_host_mak
6743fi
6744
6745if test "$darwin" = "yes" ; then
6746  echo "CONFIG_DARWIN=y" >> $config_host_mak
6747fi
6748
6749if test "$solaris" = "yes" ; then
6750  echo "CONFIG_SOLARIS=y" >> $config_host_mak
6751fi
6752if test "$haiku" = "yes" ; then
6753  echo "CONFIG_HAIKU=y" >> $config_host_mak
6754fi
6755if test "$static" = "yes" ; then
6756  echo "CONFIG_STATIC=y" >> $config_host_mak
6757fi
6758if test "$profiler" = "yes" ; then
6759  echo "CONFIG_PROFILER=y" >> $config_host_mak
6760fi
6761if test "$want_tools" = "yes" ; then
6762  echo "CONFIG_TOOLS=y" >> $config_host_mak
6763fi
6764if test "$guest_agent" = "yes" ; then
6765  echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
6766fi
6767if test "$slirp" != "no"; then
6768  echo "CONFIG_SLIRP=y" >> $config_host_mak
6769  echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6770  echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6771  echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6772fi
6773subdirs=
6774if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6775  subdirs="$subdirs slirp"
6776fi
6777if test "$vde" = "yes" ; then
6778  echo "CONFIG_VDE=y" >> $config_host_mak
6779  echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6780fi
6781if test "$netmap" = "yes" ; then
6782  echo "CONFIG_NETMAP=y" >> $config_host_mak
6783fi
6784if test "$l2tpv3" = "yes" ; then
6785  echo "CONFIG_L2TPV3=y" >> $config_host_mak
6786fi
6787if test "$gprof" = "yes" ; then
6788  echo "CONFIG_GPROF=y" >> $config_host_mak
6789fi
6790if test "$cap_ng" = "yes" ; then
6791  echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
6792  echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
6793fi
6794echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6795for drv in $audio_drv_list; do
6796    def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6797    echo "$def=y" >> $config_host_mak
6798done
6799if test "$alsa" = "yes" ; then
6800    echo "CONFIG_ALSA=y" >> $config_host_mak
6801fi
6802echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6803echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak
6804if test "$libpulse" = "yes" ; then
6805    echo "CONFIG_LIBPULSE=y" >> $config_host_mak
6806fi
6807echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6808echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak
6809echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6810echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6811echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6812if test "$libjack" = "yes" ; then
6813    echo "CONFIG_LIBJACK=y" >> $config_host_mak
6814fi
6815echo "JACK_LIBS=$jack_libs" >> $config_host_mak
6816if test "$audio_win_int" = "yes" ; then
6817  echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6818fi
6819echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6820echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6821if test "$xfs" = "yes" ; then
6822  echo "CONFIG_XFS=y" >> $config_host_mak
6823fi
6824qemu_version=$(head $source_path/VERSION)
6825echo "PKGVERSION=$pkgversion" >>$config_host_mak
6826echo "SRC_PATH=$source_path" >> $config_host_mak
6827echo "TARGET_DIRS=$target_list" >> $config_host_mak
6828if [ "$docs" = "yes" ] ; then
6829  echo "BUILD_DOCS=yes" >> $config_host_mak
6830fi
6831if test "$modules" = "yes"; then
6832  # $shacmd can generate a hash started with digit, which the compiler doesn't
6833  # like as an symbol. So prefix it with an underscore
6834  echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6835  echo "CONFIG_MODULES=y" >> $config_host_mak
6836fi
6837if test "$module_upgrades" = "yes"; then
6838  echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
6839fi
6840if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6841  echo "CONFIG_X11=y" >> $config_host_mak
6842  echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6843  echo "X11_LIBS=$x11_libs" >> $config_host_mak
6844fi
6845if test "$cocoa" = "yes" ; then
6846  echo "CONFIG_COCOA=y" >> $config_host_mak
6847fi
6848if test "$iconv" = "yes" ; then
6849  echo "CONFIG_ICONV=y" >> $config_host_mak
6850  echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6851  echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6852fi
6853if test "$curses" = "yes" ; then
6854  echo "CONFIG_CURSES=y" >> $config_host_mak
6855  echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6856  echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6857fi
6858if test "$pipe2" = "yes" ; then
6859  echo "CONFIG_PIPE2=y" >> $config_host_mak
6860fi
6861if test "$accept4" = "yes" ; then
6862  echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6863fi
6864if test "$splice" = "yes" ; then
6865  echo "CONFIG_SPLICE=y" >> $config_host_mak
6866fi
6867if test "$eventfd" = "yes" ; then
6868  echo "CONFIG_EVENTFD=y" >> $config_host_mak
6869fi
6870if test "$memfd" = "yes" ; then
6871  echo "CONFIG_MEMFD=y" >> $config_host_mak
6872fi
6873if test "$have_usbfs" = "yes" ; then
6874  echo "CONFIG_USBFS=y" >> $config_host_mak
6875fi
6876if test "$fallocate" = "yes" ; then
6877  echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6878fi
6879if test "$fallocate_punch_hole" = "yes" ; then
6880  echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6881fi
6882if test "$fallocate_zero_range" = "yes" ; then
6883  echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6884fi
6885if test "$posix_fallocate" = "yes" ; then
6886  echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6887fi
6888if test "$sync_file_range" = "yes" ; then
6889  echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6890fi
6891if test "$fiemap" = "yes" ; then
6892  echo "CONFIG_FIEMAP=y" >> $config_host_mak
6893fi
6894if test "$dup3" = "yes" ; then
6895  echo "CONFIG_DUP3=y" >> $config_host_mak
6896fi
6897if test "$ppoll" = "yes" ; then
6898  echo "CONFIG_PPOLL=y" >> $config_host_mak
6899fi
6900if test "$prctl_pr_set_timerslack" = "yes" ; then
6901  echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6902fi
6903if test "$epoll" = "yes" ; then
6904  echo "CONFIG_EPOLL=y" >> $config_host_mak
6905fi
6906if test "$epoll_create1" = "yes" ; then
6907  echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6908fi
6909if test "$sendfile" = "yes" ; then
6910  echo "CONFIG_SENDFILE=y" >> $config_host_mak
6911fi
6912if test "$timerfd" = "yes" ; then
6913  echo "CONFIG_TIMERFD=y" >> $config_host_mak
6914fi
6915if test "$setns" = "yes" ; then
6916  echo "CONFIG_SETNS=y" >> $config_host_mak
6917fi
6918if test "$clock_adjtime" = "yes" ; then
6919  echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6920fi
6921if test "$syncfs" = "yes" ; then
6922  echo "CONFIG_SYNCFS=y" >> $config_host_mak
6923fi
6924if test "$kcov" = "yes" ; then
6925  echo "CONFIG_KCOV=y" >> $config_host_mak
6926fi
6927if test "$inotify" = "yes" ; then
6928  echo "CONFIG_INOTIFY=y" >> $config_host_mak
6929fi
6930if test "$inotify1" = "yes" ; then
6931  echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6932fi
6933if test "$sem_timedwait" = "yes" ; then
6934  echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6935fi
6936if test "$strchrnul" = "yes" ; then
6937  echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6938fi
6939if test "$st_atim" = "yes" ; then
6940  echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
6941fi
6942if test "$byteswap_h" = "yes" ; then
6943  echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6944fi
6945if test "$bswap_h" = "yes" ; then
6946  echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6947fi
6948if test "$curl" = "yes" ; then
6949  echo "CONFIG_CURL=y" >> $config_host_mak
6950  echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6951  echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6952fi
6953if test "$brlapi" = "yes" ; then
6954  echo "CONFIG_BRLAPI=y" >> $config_host_mak
6955  echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6956fi
6957if test "$gtk" = "yes" ; then
6958  echo "CONFIG_GTK=y" >> $config_host_mak
6959  echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6960  echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6961  if test "$gtk_gl" = "yes" ; then
6962    echo "CONFIG_GTK_GL=y" >> $config_host_mak
6963  fi
6964fi
6965if test "$gio" = "yes" ; then
6966    echo "CONFIG_GIO=y" >> $config_host_mak
6967    echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6968    echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6969    echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
6970fi
6971echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6972if test "$gnutls" = "yes" ; then
6973  echo "CONFIG_GNUTLS=y" >> $config_host_mak
6974  echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
6975  echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
6976fi
6977if test "$gcrypt" = "yes" ; then
6978  echo "CONFIG_GCRYPT=y" >> $config_host_mak
6979  if test "$gcrypt_hmac" = "yes" ; then
6980    echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6981  fi
6982fi
6983if test "$nettle" = "yes" ; then
6984  echo "CONFIG_NETTLE=y" >> $config_host_mak
6985  echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6986  echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
6987  echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
6988fi
6989if test "$qemu_private_xts" = "yes" ; then
6990  echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6991fi
6992if test "$tasn1" = "yes" ; then
6993  echo "CONFIG_TASN1=y" >> $config_host_mak
6994fi
6995if test "$auth_pam" = "yes" ; then
6996    echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6997fi
6998if test "$have_ifaddrs_h" = "yes" ; then
6999    echo "HAVE_IFADDRS_H=y" >> $config_host_mak
7000fi
7001if test "$have_drm_h" = "yes" ; then
7002  echo "HAVE_DRM_H=y" >> $config_host_mak
7003fi
7004if test "$have_broken_size_max" = "yes" ; then
7005    echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
7006fi
7007if test "$have_openpty" = "yes" ; then
7008    echo "HAVE_OPENPTY=y" >> $config_host_mak
7009fi
7010if test "$have_sys_signal_h" = "yes" ; then
7011    echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
7012fi
7013
7014# Work around a system header bug with some kernel/XFS header
7015# versions where they both try to define 'struct fsxattr':
7016# xfs headers will not try to redefine structs from linux headers
7017# if this macro is set.
7018if test "$have_fsxattr" = "yes" ; then
7019    echo "HAVE_FSXATTR=y" >> $config_host_mak
7020fi
7021if test "$have_copy_file_range" = "yes" ; then
7022    echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7023fi
7024if test "$vte" = "yes" ; then
7025  echo "CONFIG_VTE=y" >> $config_host_mak
7026  echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7027  echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7028fi
7029if test "$virglrenderer" = "yes" ; then
7030  echo "CONFIG_VIRGL=y" >> $config_host_mak
7031  echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7032  echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7033fi
7034if test "$xen" = "yes" ; then
7035  echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7036  echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7037  echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak
7038  echo "XEN_LIBS=$xen_libs" >> $config_host_mak
7039fi
7040if test "$linux_aio" = "yes" ; then
7041  echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7042fi
7043if test "$linux_io_uring" = "yes" ; then
7044  echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7045  echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7046  echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7047fi
7048if test "$attr" = "yes" ; then
7049  echo "CONFIG_ATTR=y" >> $config_host_mak
7050  echo "LIBATTR_LIBS=$libattr_libs" >> $config_host_mak
7051fi
7052if test "$libattr" = "yes" ; then
7053  echo "CONFIG_LIBATTR=y" >> $config_host_mak
7054fi
7055if test "$virtfs" = "yes" ; then
7056  echo "CONFIG_VIRTFS=y" >> $config_host_mak
7057fi
7058if test "$mpath" = "yes" ; then
7059  echo "CONFIG_MPATH=y" >> $config_host_mak
7060  if test "$mpathpersist_new_api" = "yes"; then
7061    echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7062  fi
7063fi
7064if test "$vhost_scsi" = "yes" ; then
7065  echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7066fi
7067if test "$vhost_net" = "yes" ; then
7068  echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7069fi
7070if test "$vhost_net_user" = "yes" ; then
7071  echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7072fi
7073if test "$vhost_net_vdpa" = "yes" ; then
7074  echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
7075fi
7076if test "$vhost_crypto" = "yes" ; then
7077  echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7078fi
7079if test "$vhost_vsock" = "yes" ; then
7080  echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7081  if test "$vhost_user" = "yes" ; then
7082    echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
7083  fi
7084fi
7085if test "$vhost_kernel" = "yes" ; then
7086  echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7087fi
7088if test "$vhost_user" = "yes" ; then
7089  echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7090fi
7091if test "$vhost_vdpa" = "yes" ; then
7092  echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
7093fi
7094if test "$vhost_user_fs" = "yes" ; then
7095  echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7096fi
7097if test "$blobs" = "yes" ; then
7098  echo "INSTALL_BLOBS=yes" >> $config_host_mak
7099fi
7100if test "$iovec" = "yes" ; then
7101  echo "CONFIG_IOVEC=y" >> $config_host_mak
7102fi
7103if test "$preadv" = "yes" ; then
7104  echo "CONFIG_PREADV=y" >> $config_host_mak
7105fi
7106if test "$fdt" != "no" ; then
7107  echo "CONFIG_FDT=y" >> $config_host_mak
7108  echo "FDT_CFLAGS=$fdt_cflags" >> $config_host_mak
7109  echo "FDT_LIBS=$fdt_ldflags $fdt_libs" >> $config_host_mak
7110fi
7111if test "$membarrier" = "yes" ; then
7112  echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7113fi
7114if test "$signalfd" = "yes" ; then
7115  echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7116fi
7117if test "$optreset" = "yes" ; then
7118  echo "HAVE_OPTRESET=y" >> $config_host_mak
7119fi
7120if test "$tcg" = "yes"; then
7121  echo "CONFIG_TCG=y" >> $config_host_mak
7122  if test "$tcg_interpreter" = "yes" ; then
7123    echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7124  fi
7125fi
7126if test "$fdatasync" = "yes" ; then
7127  echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7128fi
7129if test "$madvise" = "yes" ; then
7130  echo "CONFIG_MADVISE=y" >> $config_host_mak
7131fi
7132if test "$posix_madvise" = "yes" ; then
7133  echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7134fi
7135if test "$posix_memalign" = "yes" ; then
7136  echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7137fi
7138if test "$zlib" != "no" ; then
7139    echo "CONFIG_ZLIB=y" >> $config_host_mak
7140    echo "ZLIB_CFLAGS=$zlib_cflags" >> $config_host_mak
7141    echo "ZLIB_LIBS=$zlib_libs" >> $config_host_mak
7142fi
7143if test "$spice" = "yes" ; then
7144  echo "CONFIG_SPICE=y" >> $config_host_mak
7145  echo "SPICE_CFLAGS=$spice_cflags" >> $config_host_mak
7146  echo "SPICE_LIBS=$spice_libs" >> $config_host_mak
7147fi
7148
7149if test "$smartcard" = "yes" ; then
7150  echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7151  echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7152  echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7153fi
7154
7155if test "$libusb" = "yes" ; then
7156  echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7157  echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7158  echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7159fi
7160
7161if test "$usb_redir" = "yes" ; then
7162  echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7163  echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7164  echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7165fi
7166
7167if test "$opengl" = "yes" ; then
7168  echo "CONFIG_OPENGL=y" >> $config_host_mak
7169  echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7170  if test "$opengl_dmabuf" = "yes" ; then
7171    echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7172  fi
7173fi
7174
7175if test "$gbm" = "yes" ; then
7176    echo "CONFIG_GBM=y" >> $config_host_mak
7177    echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7178    echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7179fi
7180
7181
7182if test "$malloc_trim" = "yes" ; then
7183  echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7184fi
7185
7186if test "$avx2_opt" = "yes" ; then
7187  echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7188fi
7189
7190if test "$avx512f_opt" = "yes" ; then
7191  echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
7192fi
7193
7194if test "$lzo" = "yes" ; then
7195  echo "CONFIG_LZO=y" >> $config_host_mak
7196  echo "LZO_LIBS=$lzo_libs" >> $config_host_mak
7197fi
7198
7199if test "$snappy" = "yes" ; then
7200  echo "CONFIG_SNAPPY=y" >> $config_host_mak
7201  echo "SNAPPY_LIBS=$snappy_libs" >> $config_host_mak
7202fi
7203
7204if test "$bzip2" = "yes" ; then
7205  echo "CONFIG_BZIP2=y" >> $config_host_mak
7206  echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7207fi
7208
7209if test "$lzfse" = "yes" ; then
7210  echo "CONFIG_LZFSE=y" >> $config_host_mak
7211  echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7212fi
7213
7214if test "$zstd" = "yes" ; then
7215  echo "CONFIG_ZSTD=y" >> $config_host_mak
7216  echo "ZSTD_CFLAGS=$zstd_cflags" >> $config_host_mak
7217  echo "ZSTD_LIBS=$zstd_libs" >> $config_host_mak
7218fi
7219
7220if test "$libiscsi" = "yes" ; then
7221  echo "CONFIG_LIBISCSI=y" >> $config_host_mak
7222  echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7223  echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7224fi
7225
7226if test "$libnfs" = "yes" ; then
7227  echo "CONFIG_LIBNFS=y" >> $config_host_mak
7228  echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7229fi
7230
7231if test "$seccomp" = "yes"; then
7232  echo "CONFIG_SECCOMP=y" >> $config_host_mak
7233  echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7234  echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7235fi
7236
7237# XXX: suppress that
7238if [ "$bsd" = "yes" ] ; then
7239  echo "CONFIG_BSD=y" >> $config_host_mak
7240fi
7241
7242if test "$localtime_r" = "yes" ; then
7243  echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7244fi
7245if test "$qom_cast_debug" = "yes" ; then
7246  echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7247fi
7248if test "$rbd" = "yes" ; then
7249  echo "CONFIG_RBD=y" >> $config_host_mak
7250  echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7251fi
7252
7253echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7254if test "$coroutine_pool" = "yes" ; then
7255  echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7256else
7257  echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7258fi
7259
7260if test "$debug_stack_usage" = "yes" ; then
7261  echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7262fi
7263
7264if test "$crypto_afalg" = "yes" ; then
7265  echo "CONFIG_AF_ALG=y" >> $config_host_mak
7266fi
7267
7268if test "$open_by_handle_at" = "yes" ; then
7269  echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7270fi
7271
7272if test "$linux_magic_h" = "yes" ; then
7273  echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7274fi
7275
7276if test "$valgrind_h" = "yes" ; then
7277  echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7278fi
7279
7280if test "$have_asan_iface_fiber" = "yes" ; then
7281    echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7282fi
7283
7284if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
7285    echo "CONFIG_TSAN=y" >> $config_host_mak
7286fi
7287
7288if test "$has_environ" = "yes" ; then
7289  echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7290fi
7291
7292if test "$cpuid_h" = "yes" ; then
7293  echo "CONFIG_CPUID_H=y" >> $config_host_mak
7294fi
7295
7296if test "$int128" = "yes" ; then
7297  echo "CONFIG_INT128=y" >> $config_host_mak
7298fi
7299
7300if test "$atomic128" = "yes" ; then
7301  echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7302fi
7303
7304if test "$cmpxchg128" = "yes" ; then
7305  echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7306fi
7307
7308if test "$atomic64" = "yes" ; then
7309  echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7310fi
7311
7312if test "$attralias" = "yes" ; then
7313  echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7314fi
7315
7316if test "$getauxval" = "yes" ; then
7317  echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7318fi
7319
7320if test "$glusterfs" = "yes" ; then
7321  echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
7322  echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7323  echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7324fi
7325
7326if test "$glusterfs_xlator_opt" = "yes" ; then
7327  echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7328fi
7329
7330if test "$glusterfs_discard" = "yes" ; then
7331  echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7332fi
7333
7334if test "$glusterfs_fallocate" = "yes" ; then
7335  echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7336fi
7337
7338if test "$glusterfs_zerofill" = "yes" ; then
7339  echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7340fi
7341
7342if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7343  echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7344fi
7345
7346if test "$glusterfs_iocb_has_stat" = "yes" ; then
7347  echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7348fi
7349
7350if test "$libssh" = "yes" ; then
7351  echo "CONFIG_LIBSSH=y" >> $config_host_mak
7352  echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7353  echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7354fi
7355
7356if test "$live_block_migration" = "yes" ; then
7357  echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7358fi
7359
7360if test "$tpm" = "yes"; then
7361  echo 'CONFIG_TPM=y' >> $config_host_mak
7362fi
7363
7364echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7365if have_backend "nop"; then
7366  echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7367fi
7368if have_backend "simple"; then
7369  echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7370  # Set the appropriate trace file.
7371  trace_file="\"$trace_file-\" FMT_pid"
7372fi
7373if have_backend "log"; then
7374  echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7375fi
7376if have_backend "ust"; then
7377  echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7378  echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
7379  echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
7380fi
7381if have_backend "dtrace"; then
7382  echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7383  if test "$trace_backend_stap" = "yes" ; then
7384    echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7385  fi
7386fi
7387if have_backend "ftrace"; then
7388  if test "$linux" = "yes" ; then
7389    echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7390  else
7391    feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7392  fi
7393fi
7394if have_backend "syslog"; then
7395  if test "$posix_syslog" = "yes" ; then
7396    echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7397  else
7398    feature_not_found "syslog(trace backend)" "syslog not available"
7399  fi
7400fi
7401echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7402
7403if test "$rdma" = "yes" ; then
7404  echo "CONFIG_RDMA=y" >> $config_host_mak
7405  echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7406fi
7407
7408if test "$pvrdma" = "yes" ; then
7409  echo "CONFIG_PVRDMA=y" >> $config_host_mak
7410fi
7411
7412if test "$have_rtnetlink" = "yes" ; then
7413  echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7414fi
7415
7416if test "$libxml2" = "yes" ; then
7417  echo "CONFIG_LIBXML2=y" >> $config_host_mak
7418  echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7419  echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7420fi
7421
7422if test "$replication" = "yes" ; then
7423  echo "CONFIG_REPLICATION=y" >> $config_host_mak
7424fi
7425
7426if test "$have_af_vsock" = "yes" ; then
7427  echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7428fi
7429
7430if test "$have_sysmacros" = "yes" ; then
7431  echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7432fi
7433
7434if test "$have_static_assert" = "yes" ; then
7435  echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7436fi
7437
7438if test "$have_utmpx" = "yes" ; then
7439  echo "HAVE_UTMPX=y" >> $config_host_mak
7440fi
7441if test "$have_getrandom" = "yes" ; then
7442  echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7443fi
7444if test "$ivshmem" = "yes" ; then
7445  echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7446fi
7447if test "$capstone" != "no" ; then
7448  echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7449  echo "CAPSTONE_CFLAGS=$capstone_cflags" >> $config_host_mak
7450  echo "CAPSTONE_LIBS=$capstone_libs" >> $config_host_mak
7451fi
7452if test "$debug_mutex" = "yes" ; then
7453  echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7454fi
7455
7456# Hold two types of flag:
7457#   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7458#                                     a thread we have a handle to
7459#   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7460#                                     platform
7461if test "$pthread_setname_np_w_tid" = "yes" ; then
7462  echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7463  echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7464elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7465  echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7466  echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7467fi
7468
7469if test "$libpmem" = "yes" ; then
7470  echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7471  echo "LIBPMEM_LIBS=$libpmem_libs" >> $config_host_mak
7472  echo "LIBPMEM_CFLAGS=$libpmem_cflags" >> $config_host_mak
7473fi
7474
7475if test "$libdaxctl" = "yes" ; then
7476  echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
7477  echo "LIBDAXCTL_LIBS=$libdaxctl_libs" >> $config_host_mak
7478fi
7479
7480if test "$bochs" = "yes" ; then
7481  echo "CONFIG_BOCHS=y" >> $config_host_mak
7482fi
7483if test "$cloop" = "yes" ; then
7484  echo "CONFIG_CLOOP=y" >> $config_host_mak
7485fi
7486if test "$dmg" = "yes" ; then
7487  echo "CONFIG_DMG=y" >> $config_host_mak
7488fi
7489if test "$qcow1" = "yes" ; then
7490  echo "CONFIG_QCOW1=y" >> $config_host_mak
7491fi
7492if test "$vdi" = "yes" ; then
7493  echo "CONFIG_VDI=y" >> $config_host_mak
7494fi
7495if test "$vvfat" = "yes" ; then
7496  echo "CONFIG_VVFAT=y" >> $config_host_mak
7497fi
7498if test "$qed" = "yes" ; then
7499  echo "CONFIG_QED=y" >> $config_host_mak
7500fi
7501if test "$parallels" = "yes" ; then
7502  echo "CONFIG_PARALLELS=y" >> $config_host_mak
7503fi
7504if test "$sheepdog" = "yes" ; then
7505  echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7506fi
7507if test "$pty_h" = "yes" ; then
7508  echo "HAVE_PTY_H=y" >> $config_host_mak
7509fi
7510if test "$have_mlockall" = "yes" ; then
7511  echo "HAVE_MLOCKALL=y" >> $config_host_mak
7512fi
7513if test "$fuzzing" = "yes" ; then
7514  QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
7515fi
7516
7517if test "$plugins" = "yes" ; then
7518    echo "CONFIG_PLUGIN=y" >> $config_host_mak
7519    LIBS="-ldl $LIBS"
7520    # Copy the export object list to the build dir
7521    if test "$ld_dynamic_list" = "yes" ; then
7522	echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7523	ld_symbols=qemu-plugins-ld.symbols
7524	cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7525    elif test "$ld_exported_symbols_list" = "yes" ; then
7526	echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7527	ld64_symbols=qemu-plugins-ld64.symbols
7528	echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7529	grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7530	    sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7531    else
7532	error_exit \
7533	    "If \$plugins=yes, either \$ld_dynamic_list or " \
7534	    "\$ld_exported_symbols_list should have been set to 'yes'."
7535    fi
7536fi
7537
7538if test -n "$gdb_bin" ; then
7539    echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7540fi
7541
7542if test "$secret_keyring" = "yes" ; then
7543  echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7544  if test "$have_keyutils" = "yes" ; then
7545    echo "CONFIG_TEST_SECRET_KEYRING=y" >> $config_host_mak
7546  fi
7547fi
7548
7549if test "$tcg_interpreter" = "yes"; then
7550  QEMU_INCLUDES="-iquote ${source_path}/tcg/tci $QEMU_INCLUDES"
7551elif test "$ARCH" = "sparc64" ; then
7552  QEMU_INCLUDES="-iquote ${source_path}/tcg/sparc $QEMU_INCLUDES"
7553elif test "$ARCH" = "s390x" ; then
7554  QEMU_INCLUDES="-iquote ${source_path}/tcg/s390 $QEMU_INCLUDES"
7555elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7556  QEMU_INCLUDES="-iquote ${source_path}/tcg/i386 $QEMU_INCLUDES"
7557elif test "$ARCH" = "ppc64" ; then
7558  QEMU_INCLUDES="-iquote ${source_path}/tcg/ppc $QEMU_INCLUDES"
7559elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7560  QEMU_INCLUDES="-I${source_path}/tcg/riscv $QEMU_INCLUDES"
7561else
7562  QEMU_INCLUDES="-iquote ${source_path}/tcg/${ARCH} $QEMU_INCLUDES"
7563fi
7564
7565echo "ROMS=$roms" >> $config_host_mak
7566echo "MAKE=$make" >> $config_host_mak
7567echo "INSTALL=$install" >> $config_host_mak
7568echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7569echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7570echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7571echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7572echo "PYTHON=$python" >> $config_host_mak
7573echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7574echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7575echo "MESON=$meson" >> $config_host_mak
7576echo "CC=$cc" >> $config_host_mak
7577if $iasl -h > /dev/null 2>&1; then
7578  echo "CONFIG_IASL=$iasl" >> $config_host_mak
7579fi
7580echo "CXX=$cxx" >> $config_host_mak
7581echo "OBJCC=$objcc" >> $config_host_mak
7582echo "AR=$ar" >> $config_host_mak
7583echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7584echo "AS=$as" >> $config_host_mak
7585echo "CCAS=$ccas" >> $config_host_mak
7586echo "CPP=$cpp" >> $config_host_mak
7587echo "OBJCOPY=$objcopy" >> $config_host_mak
7588echo "LD=$ld" >> $config_host_mak
7589echo "RANLIB=$ranlib" >> $config_host_mak
7590echo "NM=$nm" >> $config_host_mak
7591echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7592echo "WINDRES=$windres" >> $config_host_mak
7593echo "CFLAGS=$CFLAGS" >> $config_host_mak
7594echo "CXXFLAGS=$CXXFLAGS" >> $config_host_mak
7595echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7596echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7597echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7598echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7599echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
7600echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
7601if test "$sparse" = "yes" ; then
7602  echo "SPARSE_CFLAGS = -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7603fi
7604echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7605echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7606echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7607echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7608echo "LIBS+=$LIBS" >> $config_host_mak
7609echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7610echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7611echo "EXESUF=$EXESUF" >> $config_host_mak
7612echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak
7613echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7614echo "LIBS_QGA=$libs_qga" >> $config_host_mak
7615echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7616echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7617echo "POD2MAN=$POD2MAN" >> $config_host_mak
7618if test "$gcov" = "yes" ; then
7619  echo "CONFIG_GCOV=y" >> $config_host_mak
7620fi
7621
7622if test "$libudev" != "no"; then
7623    echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7624    echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7625fi
7626if test "$fuzzing" != "no"; then
7627    echo "CONFIG_FUZZ=y" >> $config_host_mak
7628fi
7629
7630if test "$edk2_blobs" = "yes" ; then
7631  echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7632fi
7633
7634if test "$rng_none" = "yes"; then
7635  echo "CONFIG_RNG_NONE=y" >> $config_host_mak
7636fi
7637
7638# use included Linux headers
7639if test "$linux" = "yes" ; then
7640  mkdir -p linux-headers
7641  case "$cpu" in
7642  i386|x86_64|x32)
7643    linux_arch=x86
7644    ;;
7645  ppc|ppc64|ppc64le)
7646    linux_arch=powerpc
7647    ;;
7648  s390x)
7649    linux_arch=s390
7650    ;;
7651  aarch64)
7652    linux_arch=arm64
7653    ;;
7654  mips64)
7655    linux_arch=mips
7656    ;;
7657  *)
7658    # For most CPUs the kernel architecture name and QEMU CPU name match.
7659    linux_arch="$cpu"
7660    ;;
7661  esac
7662    # For non-KVM architectures we will not have asm headers
7663    if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7664      symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7665    fi
7666fi
7667
7668for target in $target_list; do
7669target_dir="$target"
7670config_target_mak=$target_dir/config-target.mak
7671target_name=$(echo $target | cut -d '-' -f 1)
7672target_aligned_only="no"
7673case "$target_name" in
7674  alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7675  target_aligned_only="yes"
7676  ;;
7677esac
7678target_bigendian="no"
7679case "$target_name" in
7680  armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7681  target_bigendian="yes"
7682  ;;
7683esac
7684target_softmmu="no"
7685target_user_only="no"
7686target_linux_user="no"
7687target_bsd_user="no"
7688case "$target" in
7689  ${target_name}-softmmu)
7690    target_softmmu="yes"
7691    ;;
7692  ${target_name}-linux-user)
7693    target_user_only="yes"
7694    target_linux_user="yes"
7695    ;;
7696  ${target_name}-bsd-user)
7697    target_user_only="yes"
7698    target_bsd_user="yes"
7699    ;;
7700  *)
7701    error_exit "Target '$target' not recognised"
7702    exit 1
7703    ;;
7704esac
7705
7706mkdir -p $target_dir
7707echo "# Automatically generated by configure - do not modify" > $config_target_mak
7708
7709bflt="no"
7710mttcg="no"
7711interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7712gdb_xml_files=""
7713
7714TARGET_ARCH="$target_name"
7715TARGET_BASE_ARCH=""
7716TARGET_ABI_DIR=""
7717TARGET_SYSTBL_ABI=""
7718TARGET_SYSTBL=""
7719
7720case "$target_name" in
7721  i386)
7722    mttcg="yes"
7723	gdb_xml_files="i386-32bit.xml"
7724    TARGET_SYSTBL_ABI=i386
7725    TARGET_SYSTBL=syscall_32.tbl
7726  ;;
7727  x86_64)
7728    TARGET_BASE_ARCH=i386
7729    TARGET_SYSTBL_ABI=common,64
7730    TARGET_SYSTBL=syscall_64.tbl
7731    mttcg="yes"
7732    gdb_xml_files="i386-64bit.xml"
7733  ;;
7734  alpha)
7735    mttcg="yes"
7736    TARGET_SYSTBL_ABI=common
7737  ;;
7738  arm|armeb)
7739    TARGET_ARCH=arm
7740    TARGET_SYSTBL_ABI=common,oabi
7741    bflt="yes"
7742    mttcg="yes"
7743    gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
7744  ;;
7745  aarch64|aarch64_be)
7746    TARGET_ARCH=aarch64
7747    TARGET_BASE_ARCH=arm
7748    bflt="yes"
7749    mttcg="yes"
7750    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"
7751  ;;
7752  avr)
7753    gdb_xml_files="avr-cpu.xml"
7754    target_compiler=$cross_cc_avr
7755  ;;
7756  cris)
7757  ;;
7758  hppa)
7759    mttcg="yes"
7760    TARGET_SYSTBL_ABI=common,32
7761  ;;
7762  lm32)
7763  ;;
7764  m68k)
7765    bflt="yes"
7766    gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
7767    TARGET_SYSTBL_ABI=common
7768  ;;
7769  microblaze|microblazeel)
7770    TARGET_ARCH=microblaze
7771    TARGET_SYSTBL_ABI=common
7772    mttcg="yes"
7773    bflt="yes"
7774    echo "TARGET_ABI32=y" >> $config_target_mak
7775  ;;
7776  mips|mipsel)
7777    mttcg="yes"
7778    TARGET_ARCH=mips
7779    echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7780    TARGET_SYSTBL_ABI=o32
7781    TARGET_SYSTBL=syscall_o32.tbl
7782  ;;
7783  mipsn32|mipsn32el)
7784    mttcg="yes"
7785    TARGET_ARCH=mips64
7786    TARGET_BASE_ARCH=mips
7787    echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7788    echo "TARGET_ABI32=y" >> $config_target_mak
7789    TARGET_SYSTBL_ABI=n32
7790    TARGET_SYSTBL=syscall_n32.tbl
7791  ;;
7792  mips64|mips64el)
7793    mttcg="no"
7794    TARGET_ARCH=mips64
7795    TARGET_BASE_ARCH=mips
7796    echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7797    TARGET_SYSTBL_ABI=n64
7798    TARGET_SYSTBL=syscall_n64.tbl
7799  ;;
7800  moxie)
7801  ;;
7802  nios2)
7803  ;;
7804  or1k)
7805    TARGET_ARCH=openrisc
7806    TARGET_BASE_ARCH=openrisc
7807  ;;
7808  ppc)
7809    gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7810    TARGET_SYSTBL_ABI=common,nospu,32
7811  ;;
7812  ppc64)
7813    TARGET_BASE_ARCH=ppc
7814    TARGET_ABI_DIR=ppc
7815    TARGET_SYSTBL_ABI=common,nospu,64
7816    mttcg=yes
7817    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7818  ;;
7819  ppc64le)
7820    TARGET_ARCH=ppc64
7821    TARGET_BASE_ARCH=ppc
7822    TARGET_ABI_DIR=ppc
7823    TARGET_SYSTBL_ABI=common,nospu,64
7824    mttcg=yes
7825    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7826  ;;
7827  ppc64abi32)
7828    TARGET_ARCH=ppc64
7829    TARGET_BASE_ARCH=ppc
7830    TARGET_ABI_DIR=ppc
7831    TARGET_SYSTBL_ABI=common,nospu,32
7832    echo "TARGET_ABI32=y" >> $config_target_mak
7833    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7834  ;;
7835  riscv32)
7836    TARGET_BASE_ARCH=riscv
7837    TARGET_ABI_DIR=riscv
7838    mttcg=yes
7839    gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
7840  ;;
7841  riscv64)
7842    TARGET_BASE_ARCH=riscv
7843    TARGET_ABI_DIR=riscv
7844    mttcg=yes
7845    gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
7846  ;;
7847  rx)
7848    TARGET_ARCH=rx
7849    bflt="yes"
7850    target_compiler=$cross_cc_rx
7851    gdb_xml_files="rx-core.xml"
7852  ;;
7853  sh4|sh4eb)
7854    TARGET_ARCH=sh4
7855    TARGET_SYSTBL_ABI=common
7856    bflt="yes"
7857  ;;
7858  sparc)
7859    TARGET_SYSTBL_ABI=common,32
7860  ;;
7861  sparc64)
7862    TARGET_BASE_ARCH=sparc
7863    TARGET_SYSTBL_ABI=common,64
7864  ;;
7865  sparc32plus)
7866    TARGET_ARCH=sparc64
7867    TARGET_BASE_ARCH=sparc
7868    TARGET_ABI_DIR=sparc
7869    TARGET_SYSTBL_ABI=common,32
7870    echo "TARGET_ABI32=y" >> $config_target_mak
7871  ;;
7872  s390x)
7873    TARGET_SYSTBL_ABI=common,64
7874    mttcg=yes
7875    gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7876  ;;
7877  tilegx)
7878  ;;
7879  tricore)
7880  ;;
7881  unicore32)
7882  ;;
7883  xtensa|xtensaeb)
7884    TARGET_ARCH=xtensa
7885    TARGET_SYSTBL_ABI=common
7886    bflt="yes"
7887    mttcg="yes"
7888  ;;
7889  *)
7890    error_exit "Unsupported target CPU"
7891  ;;
7892esac
7893# TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7894if [ "$TARGET_BASE_ARCH" = "" ]; then
7895  TARGET_BASE_ARCH=$TARGET_ARCH
7896fi
7897if [ "$TARGET_SYSTBL_ABI" != "" ] && [ "$TARGET_SYSTBL" = "" ]; then
7898  TARGET_SYSTBL=syscall.tbl
7899fi
7900
7901upper() {
7902    echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7903}
7904
7905target_arch_name="$(upper $TARGET_ARCH)"
7906echo "TARGET_$target_arch_name=y" >> $config_target_mak
7907echo "TARGET_NAME=$target_name" >> $config_target_mak
7908echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7909if [ "$TARGET_ABI_DIR" = "" ]; then
7910  TARGET_ABI_DIR=$TARGET_ARCH
7911fi
7912echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7913if [ "$HOST_VARIANT_DIR" != "" ]; then
7914    echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7915fi
7916if [ "$TARGET_SYSTBL_ABI" != "" ]; then
7917    echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
7918    echo "TARGET_SYSTBL=$TARGET_SYSTBL" >> $config_target_mak
7919fi
7920
7921if supported_xen_target $target; then
7922    echo "CONFIG_XEN=y" >> $config_target_mak
7923    if test "$xen_pci_passthrough" = yes; then
7924        echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7925    fi
7926fi
7927if supported_kvm_target $target; then
7928    echo "CONFIG_KVM=y" >> $config_target_mak
7929fi
7930if supported_hax_target $target; then
7931    echo "CONFIG_HAX=y" >> $config_target_mak
7932fi
7933if supported_hvf_target $target; then
7934    echo "CONFIG_HVF=y" >> $config_target_mak
7935fi
7936if supported_whpx_target $target; then
7937    echo "CONFIG_WHPX=y" >> $config_target_mak
7938fi
7939if test "$target_aligned_only" = "yes" ; then
7940  echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
7941fi
7942if test "$target_bigendian" = "yes" ; then
7943  echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7944fi
7945if test "$target_softmmu" = "yes" ; then
7946  echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7947  if test "$mttcg" = "yes" ; then
7948    echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7949  fi
7950fi
7951if test "$target_user_only" = "yes" ; then
7952  echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7953  echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7954  symlink "../qemu-$target_name" "$target_dir/qemu-$target_name"
7955else
7956  symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name"
7957fi
7958if test "$target_linux_user" = "yes" ; then
7959  echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7960fi
7961list=""
7962if test ! -z "$gdb_xml_files" ; then
7963  for x in $gdb_xml_files; do
7964    list="$list gdb-xml/$x"
7965  done
7966  echo "TARGET_XML_FILES=$list" >> $config_target_mak
7967fi
7968
7969if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7970  echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7971fi
7972if test "$target_bsd_user" = "yes" ; then
7973  echo "CONFIG_BSD_USER=y" >> $config_target_mak
7974fi
7975
7976
7977# generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
7978
7979disas_config() {
7980  echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7981  echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7982}
7983
7984for i in $ARCH $TARGET_BASE_ARCH ; do
7985  case "$i" in
7986  alpha)
7987    disas_config "ALPHA"
7988  ;;
7989  aarch64)
7990    if test -n "${cxx}"; then
7991      disas_config "ARM_A64"
7992    fi
7993  ;;
7994  arm)
7995    disas_config "ARM"
7996    if test -n "${cxx}"; then
7997      disas_config "ARM_A64"
7998    fi
7999  ;;
8000  avr)
8001    disas_config "AVR"
8002  ;;
8003  cris)
8004    disas_config "CRIS"
8005  ;;
8006  hppa)
8007    disas_config "HPPA"
8008  ;;
8009  i386|x86_64|x32)
8010    disas_config "I386"
8011  ;;
8012  lm32)
8013    disas_config "LM32"
8014  ;;
8015  m68k)
8016    disas_config "M68K"
8017  ;;
8018  microblaze*)
8019    disas_config "MICROBLAZE"
8020  ;;
8021  mips*)
8022    disas_config "MIPS"
8023    if test -n "${cxx}"; then
8024      disas_config "NANOMIPS"
8025    fi
8026  ;;
8027  moxie*)
8028    disas_config "MOXIE"
8029  ;;
8030  nios2)
8031    disas_config "NIOS2"
8032  ;;
8033  or1k)
8034    disas_config "OPENRISC"
8035  ;;
8036  ppc*)
8037    disas_config "PPC"
8038  ;;
8039  riscv*)
8040    disas_config "RISCV"
8041  ;;
8042  rx)
8043    disas_config "RX"
8044  ;;
8045  s390*)
8046    disas_config "S390"
8047  ;;
8048  sh4)
8049    disas_config "SH4"
8050  ;;
8051  sparc*)
8052    disas_config "SPARC"
8053  ;;
8054  xtensa*)
8055    disas_config "XTENSA"
8056  ;;
8057  esac
8058done
8059if test "$tcg_interpreter" = "yes" ; then
8060  disas_config "TCI"
8061fi
8062
8063done # for target in $targets
8064
8065if [ "$fdt" = "git" ]; then
8066  subdirs="$subdirs dtc"
8067fi
8068if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8069  subdirs="$subdirs capstone"
8070fi
8071echo "SUBDIRS=$subdirs" >> $config_host_mak
8072if test -n "$LIBCAPSTONE"; then
8073  echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8074fi
8075
8076if test "$numa" = "yes"; then
8077  echo "CONFIG_NUMA=y" >> $config_host_mak
8078  echo "NUMA_LIBS=$numa_libs" >> $config_host_mak
8079fi
8080
8081if test "$ccache_cpp2" = "yes"; then
8082  echo "export CCACHE_CPP2=y" >> $config_host_mak
8083fi
8084
8085if test "$safe_stack" = "yes"; then
8086  echo "CONFIG_SAFESTACK=y" >> $config_host_mak
8087fi
8088
8089# If we're using a separate build tree, set it up now.
8090# DIRS are directories which we simply mkdir in the build tree;
8091# LINKS are things to symlink back into the source tree
8092# (these can be both files and directories).
8093# Caution: do not add files or directories here using wildcards. This
8094# will result in problems later if a new file matching the wildcard is
8095# added to the source tree -- nothing will cause configure to be rerun
8096# so the build tree will be missing the link back to the new file, and
8097# tests might fail. Prefer to keep the relevant files in their own
8098# directory and symlink the directory instead.
8099DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8100DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8101DIRS="$DIRS docs docs/interop fsdev scsi"
8102DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8103DIRS="$DIRS roms/seabios"
8104LINKS="Makefile"
8105LINKS="$LINKS tests/tcg/lm32/Makefile"
8106LINKS="$LINKS tests/tcg/Makefile.target"
8107LINKS="$LINKS pc-bios/optionrom/Makefile"
8108LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8109LINKS="$LINKS roms/seabios/Makefile"
8110LINKS="$LINKS pc-bios/qemu-icon.bmp"
8111LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8112LINKS="$LINKS tests/acceptance tests/data"
8113LINKS="$LINKS tests/qemu-iotests/check"
8114LINKS="$LINKS python"
8115for bios_file in \
8116    $source_path/pc-bios/*.bin \
8117    $source_path/pc-bios/*.elf \
8118    $source_path/pc-bios/*.lid \
8119    $source_path/pc-bios/*.rom \
8120    $source_path/pc-bios/*.dtb \
8121    $source_path/pc-bios/*.img \
8122    $source_path/pc-bios/openbios-* \
8123    $source_path/pc-bios/u-boot.* \
8124    $source_path/pc-bios/edk2-*.fd.bz2 \
8125    $source_path/pc-bios/palcode-*
8126do
8127    LINKS="$LINKS pc-bios/$(basename $bios_file)"
8128done
8129mkdir -p $DIRS
8130for f in $LINKS ; do
8131    if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8132        symlink "$source_path/$f" "$f"
8133    fi
8134done
8135
8136(for i in $cross_cc_vars; do
8137  export $i
8138done
8139export target_list source_path use_containers
8140$source_path/tests/tcg/configure.sh)
8141
8142# temporary config to build submodules
8143for rom in seabios; do
8144    config_mak=roms/$rom/config.mak
8145    echo "# Automatically generated by configure - do not modify" > $config_mak
8146    echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8147    echo "AS=$as" >> $config_mak
8148    echo "CCAS=$ccas" >> $config_mak
8149    echo "CC=$cc" >> $config_mak
8150    echo "BCC=bcc" >> $config_mak
8151    echo "CPP=$cpp" >> $config_mak
8152    echo "OBJCOPY=objcopy" >> $config_mak
8153    echo "IASL=$iasl" >> $config_mak
8154    echo "LD=$ld" >> $config_mak
8155    echo "RANLIB=$ranlib" >> $config_mak
8156done
8157
8158# set up qemu-iotests in this build directory
8159iotests_common_env="tests/qemu-iotests/common.env"
8160
8161echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8162echo >> "$iotests_common_env"
8163echo "export PYTHON='$python'" >> "$iotests_common_env"
8164
8165if test "$skip_meson" = no; then
8166cross="config-meson.cross.new"
8167meson_quote() {
8168    echo "['$(echo $* | sed "s/ /','/g")']"
8169}
8170
8171echo "# Automatically generated by configure - do not modify" > $cross
8172echo "[properties]" >> $cross
8173test -z "$cxx" && echo "link_language = 'c'" >> $cross
8174echo "[binaries]" >> $cross
8175echo "c = $(meson_quote $cc)" >> $cross
8176test -n "$cxx" && echo "cpp = $(meson_quote $cxx)" >> $cross
8177echo "ar = $(meson_quote $ar)" >> $cross
8178echo "nm = $(meson_quote $nm)" >> $cross
8179echo "pkgconfig = $(meson_quote $pkg_config_exe)" >> $cross
8180echo "ranlib = $(meson_quote $ranlib)" >> $cross
8181echo "strip = $(meson_quote $strip)" >> $cross
8182echo "windres = $(meson_quote $windres)" >> $cross
8183if test -n "$cross_prefix"; then
8184    cross_arg="--cross-file config-meson.cross"
8185    # Hack: Meson expects an absolute path for the *build* machine
8186    # for the prefix, so add a slash in front of a Windows path that
8187    # includes a drive letter.
8188    #
8189    # See https://github.com/mesonbuild/meson/issues/7577.
8190    echo "[host_machine]" >> $cross
8191    if test "$mingw32" = "yes" ; then
8192        echo "system = 'windows'" >> $cross
8193        case $prefix in
8194            ?:*) pre_prefix=/ ;;
8195        esac
8196    fi
8197    case "$ARCH" in
8198        i386|x86_64)
8199            echo "cpu_family = 'x86'" >> $cross
8200            ;;
8201        ppc64le)
8202            echo "cpu_family = 'ppc64'" >> $cross
8203            ;;
8204        *)
8205            echo "cpu_family = '$ARCH'" >> $cross
8206            ;;
8207    esac
8208    echo "cpu = '$cpu'" >> $cross
8209    if test "$bigendian" = "yes" ; then
8210        echo "endian = 'big'" >> $cross
8211    else
8212        echo "endian = 'little'" >> $cross
8213    fi
8214else
8215    cross_arg="--native-file config-meson.cross"
8216fi
8217mv $cross config-meson.cross
8218
8219rm -rf meson-private meson-info meson-logs
8220NINJA=${ninja:-$PWD/ninjatool} $meson setup \
8221        --prefix "${pre_prefix}$prefix" \
8222        --libdir "${pre_prefix}$libdir" \
8223        --libexecdir "${pre_prefix}$libexecdir" \
8224        --bindir "${pre_prefix}$bindir" \
8225        --includedir "${pre_prefix}$includedir" \
8226        --datadir "${pre_prefix}$datadir" \
8227        --mandir "${pre_prefix}$mandir" \
8228        --sysconfdir "${pre_prefix}$sysconfdir" \
8229        --localstatedir "${pre_prefix}$local_statedir" \
8230        -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
8231        -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
8232        -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
8233        -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
8234        -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
8235        -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
8236	-Dsdl=$sdl -Dsdl_image=$sdl_image \
8237	-Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \
8238	-Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f\
8239        $cross_arg \
8240        "$PWD" "$source_path"
8241
8242if test "$?" -ne 0 ; then
8243    error_exit "meson setup failed"
8244fi
8245touch ninjatool.stamp
8246fi
8247
8248# Save the configure command line for later reuse.
8249cat <<EOD >config.status
8250#!/bin/sh
8251# Generated by configure.
8252# Run this file to recreate the current configuration.
8253# Compiler output produced by configure, useful for debugging
8254# configure, is in config.log if it exists.
8255EOD
8256
8257preserve_env() {
8258    envname=$1
8259
8260    eval envval=\$$envname
8261
8262    if test -n "$envval"
8263    then
8264	echo "$envname='$envval'" >> config.status
8265	echo "export $envname" >> config.status
8266    else
8267	echo "unset $envname" >> config.status
8268    fi
8269}
8270
8271# Preserve various env variables that influence what
8272# features/build target configure will detect
8273preserve_env AR
8274preserve_env AS
8275preserve_env CC
8276preserve_env CPP
8277preserve_env CXX
8278preserve_env INSTALL
8279preserve_env LD
8280preserve_env LD_LIBRARY_PATH
8281preserve_env LIBTOOL
8282preserve_env MAKE
8283preserve_env NM
8284preserve_env OBJCOPY
8285preserve_env PATH
8286preserve_env PKG_CONFIG
8287preserve_env PKG_CONFIG_LIBDIR
8288preserve_env PKG_CONFIG_PATH
8289preserve_env PYTHON
8290preserve_env SDL2_CONFIG
8291preserve_env SMBD
8292preserve_env STRIP
8293preserve_env WINDRES
8294
8295printf "exec" >>config.status
8296for i in "$0" "$@"; do
8297  test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
8298done
8299echo ' "$@"' >>config.status
8300chmod +x config.status
8301
8302rm -r "$TMPDIR1"
8303