xref: /openbmc/qemu/configure (revision 650b5d548e84b284ae3942ab6b4831ed263dc261)
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}/${TMPB}.exe"
81TMPMO="${TMPDIR1}/${TMPB}.mo"
82TMPTXT="${TMPDIR1}/${TMPB}.txt"
83
84rm -f config.log
85
86# Print a helpful header at the top of config.log
87echo "# QEMU configure log $(date)" >> config.log
88printf "# Configured with:" >> config.log
89printf " '%s'" "$0" "$@" >> config.log
90echo >> config.log
91echo "#" >> config.log
92
93print_error() {
94    (echo
95    echo "ERROR: $1"
96    while test -n "$2"; do
97        echo "       $2"
98        shift
99    done
100    echo) >&2
101}
102
103error_exit() {
104    print_error "$@"
105    exit 1
106}
107
108do_compiler() {
109    # Run the compiler, capturing its output to the log. First argument
110    # is compiler binary to execute.
111    local compiler="$1"
112    shift
113    if test -n "$BASH_VERSION"; then eval '
114        echo >>config.log "
115funcs: ${FUNCNAME[*]}
116lines: ${BASH_LINENO[*]}"
117    '; fi
118    echo $compiler "$@" >> config.log
119    $compiler "$@" >> config.log 2>&1 || return $?
120    # Test passed. If this is an --enable-werror build, rerun
121    # the test with -Werror and bail out if it fails. This
122    # makes warning-generating-errors in configure test code
123    # obvious to developers.
124    if test "$werror" != "yes"; then
125        return 0
126    fi
127    # Don't bother rerunning the compile if we were already using -Werror
128    case "$*" in
129        *-Werror*)
130           return 0
131        ;;
132    esac
133    echo $compiler -Werror "$@" >> config.log
134    $compiler -Werror "$@" >> config.log 2>&1 && return $?
135    error_exit "configure test passed without -Werror but failed with -Werror." \
136        "This is probably a bug in the configure script. The failing command" \
137        "will be at the bottom of config.log." \
138        "You can run configure with --disable-werror to bypass this check."
139}
140
141do_cc() {
142    do_compiler "$cc" "$@"
143}
144
145do_cxx() {
146    do_compiler "$cxx" "$@"
147}
148
149# Append $2 to the variable named $1, with space separation
150add_to() {
151    eval $1=\${$1:+\"\$$1 \"}\$2
152}
153
154update_cxxflags() {
155    # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
156    # options which some versions of GCC's C++ compiler complain about
157    # because they only make sense for C programs.
158    QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
159    CXXFLAGS=$(echo "$CFLAGS" | sed s/-std=gnu99/-std=gnu++11/)
160    for arg in $QEMU_CFLAGS; do
161        case $arg in
162            -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
163            -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
164                ;;
165            *)
166                QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
167                ;;
168        esac
169    done
170}
171
172compile_object() {
173  local_cflags="$1"
174  do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
175}
176
177compile_prog() {
178  local_cflags="$1"
179  local_ldflags="$2"
180  do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $QEMU_LDFLAGS $local_ldflags
181}
182
183# symbolically link $1 to $2.  Portable version of "ln -sf".
184symlink() {
185  rm -rf "$2"
186  mkdir -p "$(dirname "$2")"
187  ln -s "$1" "$2"
188}
189
190# check whether a command is available to this shell (may be either an
191# executable or a builtin)
192has() {
193    type "$1" >/dev/null 2>&1
194}
195
196# search for an executable in PATH
197path_of() {
198    local_command="$1"
199    local_ifs="$IFS"
200    local_dir=""
201
202    # pathname has a dir component?
203    if [ "${local_command#*/}" != "$local_command" ]; then
204        if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
205            echo "$local_command"
206            return 0
207        fi
208    fi
209    if [ -z "$local_command" ]; then
210        return 1
211    fi
212
213    IFS=:
214    for local_dir in $PATH; do
215        if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
216            echo "$local_dir/$local_command"
217            IFS="${local_ifs:-$(printf ' \t\n')}"
218            return 0
219        fi
220    done
221    # not found
222    IFS="${local_ifs:-$(printf ' \t\n')}"
223    return 1
224}
225
226version_ge () {
227    local_ver1=`echo $1 | tr . ' '`
228    local_ver2=`echo $2 | tr . ' '`
229    while true; do
230        set x $local_ver1
231        local_first=${2-0}
232        # shift 2 does nothing if there are less than 2 arguments
233        shift; shift
234        local_ver1=$*
235        set x $local_ver2
236        # the second argument finished, the first must be greater or equal
237        test $# = 1 && return 0
238        test $local_first -lt $2 && return 1
239        test $local_first -gt $2 && return 0
240        shift; shift
241        local_ver2=$*
242    done
243}
244
245have_backend () {
246    echo "$trace_backends" | grep "$1" >/dev/null
247}
248
249glob() {
250    eval test -z '"${1#'"$2"'}"'
251}
252
253supported_hax_target() {
254    test "$hax" = "yes" || return 1
255    glob "$1" "*-softmmu" || return 1
256    case "${1%-softmmu}" in
257        i386|x86_64)
258            return 0
259        ;;
260    esac
261    return 1
262}
263
264supported_kvm_target() {
265    test "$kvm" = "yes" || return 1
266    glob "$1" "*-softmmu" || return 1
267    case "${1%-softmmu}:$cpu" in
268        arm:arm | aarch64:aarch64 | \
269        i386:i386 | i386:x86_64 | i386:x32 | \
270        x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
271        mips:mips | mipsel:mips | mips64:mips | mips64el:mips | \
272        ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
273        s390x:s390x)
274            return 0
275        ;;
276    esac
277    return 1
278}
279
280supported_xen_target() {
281    test "$xen" = "yes" || return 1
282    glob "$1" "*-softmmu" || return 1
283    # Only i386 and x86_64 provide the xenpv machine.
284    case "${1%-softmmu}" in
285        i386|x86_64)
286            return 0
287        ;;
288    esac
289    return 1
290}
291
292supported_hvf_target() {
293    test "$hvf" = "yes" || return 1
294    glob "$1" "*-softmmu" || return 1
295    case "${1%-softmmu}" in
296        x86_64)
297            return 0
298        ;;
299    esac
300    return 1
301}
302
303supported_whpx_target() {
304    test "$whpx" = "yes" || return 1
305    glob "$1" "*-softmmu" || return 1
306    case "${1%-softmmu}" in
307        i386|x86_64)
308            return 0
309        ;;
310    esac
311    return 1
312}
313
314supported_target() {
315    case "$1" in
316        *-softmmu)
317            ;;
318        *-linux-user)
319            if test "$linux" != "yes"; then
320                print_error "Target '$target' is only available on a Linux host"
321                return 1
322            fi
323            ;;
324        *-bsd-user)
325            if test "$bsd" != "yes"; then
326                print_error "Target '$target' is only available on a BSD host"
327                return 1
328            fi
329            ;;
330        *)
331            print_error "Invalid target name '$target'"
332            return 1
333            ;;
334    esac
335    test "$tcg" = "yes" && return 0
336    supported_kvm_target "$1" && return 0
337    supported_xen_target "$1" && return 0
338    supported_hax_target "$1" && return 0
339    supported_hvf_target "$1" && return 0
340    supported_whpx_target "$1" && return 0
341    print_error "TCG disabled, but hardware accelerator not available for '$target'"
342    return 1
343}
344
345
346ld_has() {
347    $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
348}
349
350if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
351then
352  error_exit "main directory cannot contain spaces nor colons"
353fi
354
355# default parameters
356cpu=""
357iasl="iasl"
358interp_prefix="/usr/gnemul/qemu-%M"
359static="no"
360cross_prefix=""
361audio_drv_list=""
362block_drv_rw_whitelist=""
363block_drv_ro_whitelist=""
364host_cc="cc"
365libs_cpu=""
366libs_softmmu=""
367libs_tools=""
368audio_win_int=""
369libs_qga=""
370debug_info="yes"
371stack_protector=""
372safe_stack=""
373use_containers="yes"
374gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
375
376if test -e "$source_path/.git"
377then
378    git_update=yes
379    git_submodules="ui/keycodemapdb"
380    git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
381    git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
382else
383    git_update=no
384    git_submodules=""
385
386    if ! test -f "$source_path/ui/keycodemapdb/README"
387    then
388        echo
389        echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
390        echo
391        echo "This is not a GIT checkout but module content appears to"
392        echo "be missing. Do not use 'git archive' or GitHub download links"
393        echo "to acquire QEMU source archives. Non-GIT builds are only"
394        echo "supported with source archives linked from:"
395        echo
396        echo "  https://www.qemu.org/download/#source"
397        echo
398        echo "Developers working with GIT can use scripts/archive-source.sh"
399        echo "if they need to create valid source archives."
400        echo
401        exit 1
402    fi
403fi
404git="git"
405
406# Don't accept a target_list environment variable.
407unset target_list
408unset target_list_exclude
409
410# Default value for a variable defining feature "foo".
411#  * foo="no"  feature will only be used if --enable-foo arg is given
412#  * foo=""    feature will be searched for, and if found, will be used
413#              unless --disable-foo is given
414#  * foo="yes" this value will only be set by --enable-foo flag.
415#              feature will searched for,
416#              if not found, configure exits with error
417#
418# Always add --enable-foo and --disable-foo command line args.
419# Distributions want to ensure that several features are compiled in, and it
420# is impossible without a --enable-foo that exits if a feature is not found.
421
422brlapi=""
423curl=""
424curses=""
425docs=""
426fdt=""
427netmap="no"
428sdl=""
429sdl_image=""
430virtfs=""
431mpath=""
432vnc="yes"
433sparse="no"
434vde=""
435vnc_sasl=""
436vnc_jpeg=""
437vnc_png=""
438xkbcommon=""
439xen=""
440xen_ctrl_version=""
441xen_pci_passthrough=""
442linux_aio=""
443linux_io_uring=""
444cap_ng=""
445attr=""
446libattr=""
447xfs=""
448tcg="yes"
449membarrier=""
450vhost_net=""
451vhost_crypto=""
452vhost_scsi=""
453vhost_vsock=""
454vhost_user=""
455vhost_user_fs=""
456kvm="no"
457hax="no"
458hvf="no"
459whpx="no"
460rdma=""
461pvrdma=""
462gprof="no"
463debug_tcg="no"
464debug="no"
465sanitizers="no"
466tsan="no"
467fortify_source=""
468strip_opt="yes"
469tcg_interpreter="no"
470bigendian="no"
471mingw32="no"
472gcov="no"
473EXESUF=""
474DSOSUF=".so"
475LDFLAGS_SHARED="-shared"
476modules="no"
477module_upgrades="no"
478prefix="/usr/local"
479firmwarepath="\${prefix}/share/qemu-firmware"
480confsuffix="/qemu"
481slirp=""
482oss_lib=""
483bsd="no"
484linux="no"
485solaris="no"
486profiler="no"
487cocoa="no"
488softmmu="yes"
489linux_user="no"
490bsd_user="no"
491blobs="yes"
492edk2_blobs="no"
493pkgversion=""
494pie=""
495qom_cast_debug="yes"
496trace_backends="log"
497trace_file="trace"
498spice=""
499rbd=""
500smartcard=""
501libusb=""
502usb_redir=""
503opengl=""
504opengl_dmabuf="no"
505cpuid_h="no"
506avx2_opt=""
507zlib="yes"
508capstone=""
509lzo=""
510snappy=""
511bzip2=""
512lzfse=""
513zstd=""
514guest_agent=""
515guest_agent_with_vss="no"
516guest_agent_ntddscsi="no"
517guest_agent_msi=""
518vss_win32_sdk=""
519win_sdk="no"
520want_tools=""
521libiscsi=""
522libnfs=""
523coroutine=""
524coroutine_pool=""
525debug_stack_usage="no"
526crypto_afalg="no"
527seccomp=""
528glusterfs=""
529glusterfs_xlator_opt="no"
530glusterfs_discard="no"
531glusterfs_fallocate="no"
532glusterfs_zerofill="no"
533glusterfs_ftruncate_has_stat="no"
534glusterfs_iocb_has_stat="no"
535gtk=""
536gtk_gl="no"
537tls_priority="NORMAL"
538gnutls=""
539nettle=""
540nettle_xts="no"
541gcrypt=""
542gcrypt_hmac="no"
543gcrypt_xts="no"
544qemu_private_xts="yes"
545auth_pam=""
546vte=""
547virglrenderer=""
548tpm=""
549libssh=""
550live_block_migration="yes"
551numa=""
552tcmalloc="no"
553jemalloc="no"
554replication="yes"
555bochs="yes"
556cloop="yes"
557dmg="yes"
558qcow1="yes"
559vdi="yes"
560vvfat="yes"
561qed="yes"
562parallels="yes"
563sheepdog="yes"
564libxml2=""
565debug_mutex="no"
566libpmem=""
567default_devices="yes"
568plugins="no"
569fuzzing="no"
570rng_none="no"
571secret_keyring=""
572libdaxctl=""
573meson=""
574skip_meson=no
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 $targetos in
851MINGW32*)
852  mingw32="yes"
853  hax="yes"
854  vhost_user="no"
855  audio_possible_drivers="dsound sdl"
856  if check_include dsound.h; then
857    audio_drv_list="dsound"
858  else
859    audio_drv_list=""
860  fi
861  supported_os="yes"
862;;
863GNU/kFreeBSD)
864  bsd="yes"
865  audio_drv_list="oss try-sdl"
866  audio_possible_drivers="oss sdl pa"
867;;
868FreeBSD)
869  bsd="yes"
870  make="${MAKE-gmake}"
871  audio_drv_list="oss try-sdl"
872  audio_possible_drivers="oss sdl pa"
873  # needed for kinfo_getvmmap(3) in libutil.h
874  LIBS="-lutil $LIBS"
875  netmap=""  # enable netmap autodetect
876  HOST_VARIANT_DIR="freebsd"
877;;
878DragonFly)
879  bsd="yes"
880  make="${MAKE-gmake}"
881  audio_drv_list="oss try-sdl"
882  audio_possible_drivers="oss sdl pa"
883  HOST_VARIANT_DIR="dragonfly"
884;;
885NetBSD)
886  bsd="yes"
887  hax="yes"
888  make="${MAKE-gmake}"
889  audio_drv_list="oss try-sdl"
890  audio_possible_drivers="oss sdl"
891  oss_lib="-lossaudio"
892  HOST_VARIANT_DIR="netbsd"
893;;
894OpenBSD)
895  bsd="yes"
896  make="${MAKE-gmake}"
897  audio_drv_list="try-sdl"
898  audio_possible_drivers="sdl"
899  HOST_VARIANT_DIR="openbsd"
900;;
901Darwin)
902  bsd="yes"
903  darwin="yes"
904  hax="yes"
905  hvf="yes"
906  LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
907  if [ "$cpu" = "x86_64" ] ; then
908    QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
909    QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
910  fi
911  cocoa="yes"
912  audio_drv_list="coreaudio try-sdl"
913  audio_possible_drivers="coreaudio sdl"
914  QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
915  libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
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  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="$optarg"
1056  ;;
1057  --smbd=*) smbd="$optarg"
1058  ;;
1059  --extra-cflags=*)
1060  ;;
1061  --extra-cxxflags=*)
1062  ;;
1063  --extra-ldflags=*)
1064  ;;
1065  --enable-debug-info)
1066  ;;
1067  --disable-debug-info)
1068  ;;
1069  --cross-cc-*)
1070  ;;
1071  --enable-modules)
1072      modules="yes"
1073  ;;
1074  --disable-modules)
1075      modules="no"
1076  ;;
1077  --disable-module-upgrades) module_upgrades="no"
1078  ;;
1079  --enable-module-upgrades) module_upgrades="yes"
1080  ;;
1081  --cpu=*)
1082  ;;
1083  --target-list=*) target_list="$optarg"
1084                   if test "$target_list_exclude"; then
1085                       error_exit "Can't mix --target-list with --target-list-exclude"
1086                   fi
1087  ;;
1088  --target-list-exclude=*) target_list_exclude="$optarg"
1089                   if test "$target_list"; then
1090                       error_exit "Can't mix --target-list-exclude with --target-list"
1091                   fi
1092  ;;
1093  --enable-trace-backends=*) trace_backends="$optarg"
1094  ;;
1095  # XXX: backwards compatibility
1096  --enable-trace-backend=*) trace_backends="$optarg"
1097  ;;
1098  --with-trace-file=*) trace_file="$optarg"
1099  ;;
1100  --with-default-devices) default_devices="yes"
1101  ;;
1102  --without-default-devices) default_devices="no"
1103  ;;
1104  --enable-gprof) gprof="yes"
1105  ;;
1106  --enable-gcov) gcov="yes"
1107  ;;
1108  --static)
1109    static="yes"
1110    QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1111  ;;
1112  --mandir=*) mandir="$optarg"
1113  ;;
1114  --bindir=*) bindir="$optarg"
1115  ;;
1116  --libdir=*) libdir="$optarg"
1117  ;;
1118  --libexecdir=*) libexecdir="$optarg"
1119  ;;
1120  --includedir=*) includedir="$optarg"
1121  ;;
1122  --datadir=*) datadir="$optarg"
1123  ;;
1124  --with-confsuffix=*) confsuffix="$optarg"
1125  ;;
1126  --docdir=*) qemu_docdir="$optarg"
1127  ;;
1128  --sysconfdir=*) sysconfdir="$optarg"
1129  ;;
1130  --localstatedir=*) local_statedir="$optarg"
1131  ;;
1132  --firmwarepath=*) firmwarepath="$optarg"
1133  ;;
1134  --host=*|--build=*|\
1135  --disable-dependency-tracking|\
1136  --sbindir=*|--sharedstatedir=*|\
1137  --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1138  --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1139    # These switches are silently ignored, for compatibility with
1140    # autoconf-generated configure scripts. This allows QEMU's
1141    # configure to be used by RPM and similar macros that set
1142    # lots of directory switches by default.
1143  ;;
1144  --disable-sdl) sdl="no"
1145  ;;
1146  --enable-sdl) sdl="yes"
1147  ;;
1148  --disable-sdl-image) sdl_image="no"
1149  ;;
1150  --enable-sdl-image) sdl_image="yes"
1151  ;;
1152  --disable-qom-cast-debug) qom_cast_debug="no"
1153  ;;
1154  --enable-qom-cast-debug) qom_cast_debug="yes"
1155  ;;
1156  --disable-virtfs) virtfs="no"
1157  ;;
1158  --enable-virtfs) virtfs="yes"
1159  ;;
1160  --disable-mpath) mpath="no"
1161  ;;
1162  --enable-mpath) mpath="yes"
1163  ;;
1164  --disable-vnc) vnc="no"
1165  ;;
1166  --enable-vnc) vnc="yes"
1167  ;;
1168  --oss-lib=*) oss_lib="$optarg"
1169  ;;
1170  --audio-drv-list=*) audio_drv_list="$optarg"
1171  ;;
1172  --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1173  ;;
1174  --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1175  ;;
1176  --enable-debug-tcg) debug_tcg="yes"
1177  ;;
1178  --disable-debug-tcg) debug_tcg="no"
1179  ;;
1180  --enable-debug)
1181      # Enable debugging options that aren't excessively noisy
1182      debug_tcg="yes"
1183      debug_mutex="yes"
1184      debug="yes"
1185      strip_opt="no"
1186      fortify_source="no"
1187  ;;
1188  --enable-sanitizers) sanitizers="yes"
1189  ;;
1190  --disable-sanitizers) sanitizers="no"
1191  ;;
1192  --enable-tsan) tsan="yes"
1193  ;;
1194  --disable-tsan) tsan="no"
1195  ;;
1196  --enable-sparse) sparse="yes"
1197  ;;
1198  --disable-sparse) sparse="no"
1199  ;;
1200  --disable-strip) strip_opt="no"
1201  ;;
1202  --disable-vnc-sasl) vnc_sasl="no"
1203  ;;
1204  --enable-vnc-sasl) vnc_sasl="yes"
1205  ;;
1206  --disable-vnc-jpeg) vnc_jpeg="no"
1207  ;;
1208  --enable-vnc-jpeg) vnc_jpeg="yes"
1209  ;;
1210  --disable-vnc-png) vnc_png="no"
1211  ;;
1212  --enable-vnc-png) vnc_png="yes"
1213  ;;
1214  --disable-slirp) slirp="no"
1215  ;;
1216  --enable-slirp=git) slirp="git"
1217  ;;
1218  --enable-slirp=system) slirp="system"
1219  ;;
1220  --disable-vde) vde="no"
1221  ;;
1222  --enable-vde) vde="yes"
1223  ;;
1224  --disable-netmap) netmap="no"
1225  ;;
1226  --enable-netmap) netmap="yes"
1227  ;;
1228  --disable-xen) xen="no"
1229  ;;
1230  --enable-xen) xen="yes"
1231  ;;
1232  --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1233  ;;
1234  --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1235  ;;
1236  --disable-brlapi) brlapi="no"
1237  ;;
1238  --enable-brlapi) brlapi="yes"
1239  ;;
1240  --disable-kvm) kvm="no"
1241  ;;
1242  --enable-kvm) kvm="yes"
1243  ;;
1244  --disable-hax) hax="no"
1245  ;;
1246  --enable-hax) hax="yes"
1247  ;;
1248  --disable-hvf) hvf="no"
1249  ;;
1250  --enable-hvf) hvf="yes"
1251  ;;
1252  --disable-whpx) whpx="no"
1253  ;;
1254  --enable-whpx) whpx="yes"
1255  ;;
1256  --disable-tcg-interpreter) tcg_interpreter="no"
1257  ;;
1258  --enable-tcg-interpreter) tcg_interpreter="yes"
1259  ;;
1260  --disable-cap-ng)  cap_ng="no"
1261  ;;
1262  --enable-cap-ng) cap_ng="yes"
1263  ;;
1264  --disable-tcg) tcg="no"
1265  ;;
1266  --enable-tcg) tcg="yes"
1267  ;;
1268  --disable-malloc-trim) malloc_trim="no"
1269  ;;
1270  --enable-malloc-trim) malloc_trim="yes"
1271  ;;
1272  --disable-spice) spice="no"
1273  ;;
1274  --enable-spice) spice="yes"
1275  ;;
1276  --disable-libiscsi) libiscsi="no"
1277  ;;
1278  --enable-libiscsi) libiscsi="yes"
1279  ;;
1280  --disable-libnfs) libnfs="no"
1281  ;;
1282  --enable-libnfs) libnfs="yes"
1283  ;;
1284  --enable-profiler) profiler="yes"
1285  ;;
1286  --disable-cocoa) cocoa="no"
1287  ;;
1288  --enable-cocoa)
1289      cocoa="yes" ;
1290      audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1291  ;;
1292  --disable-system) softmmu="no"
1293  ;;
1294  --enable-system) softmmu="yes"
1295  ;;
1296  --disable-user)
1297      linux_user="no" ;
1298      bsd_user="no" ;
1299  ;;
1300  --enable-user) ;;
1301  --disable-linux-user) linux_user="no"
1302  ;;
1303  --enable-linux-user) linux_user="yes"
1304  ;;
1305  --disable-bsd-user) bsd_user="no"
1306  ;;
1307  --enable-bsd-user) bsd_user="yes"
1308  ;;
1309  --enable-pie) pie="yes"
1310  ;;
1311  --disable-pie) pie="no"
1312  ;;
1313  --enable-werror) werror="yes"
1314  ;;
1315  --disable-werror) werror="no"
1316  ;;
1317  --enable-stack-protector) stack_protector="yes"
1318  ;;
1319  --disable-stack-protector) stack_protector="no"
1320  ;;
1321  --enable-safe-stack) safe_stack="yes"
1322  ;;
1323  --disable-safe-stack) safe_stack="no"
1324  ;;
1325  --disable-curses) curses="no"
1326  ;;
1327  --enable-curses) curses="yes"
1328  ;;
1329  --disable-iconv) iconv="no"
1330  ;;
1331  --enable-iconv) iconv="yes"
1332  ;;
1333  --disable-curl) curl="no"
1334  ;;
1335  --enable-curl) curl="yes"
1336  ;;
1337  --disable-fdt) fdt="no"
1338  ;;
1339  --enable-fdt) fdt="yes"
1340  ;;
1341  --disable-linux-aio) linux_aio="no"
1342  ;;
1343  --enable-linux-aio) linux_aio="yes"
1344  ;;
1345  --disable-linux-io-uring) linux_io_uring="no"
1346  ;;
1347  --enable-linux-io-uring) linux_io_uring="yes"
1348  ;;
1349  --disable-attr) attr="no"
1350  ;;
1351  --enable-attr) attr="yes"
1352  ;;
1353  --disable-membarrier) membarrier="no"
1354  ;;
1355  --enable-membarrier) membarrier="yes"
1356  ;;
1357  --disable-blobs) blobs="no"
1358  ;;
1359  --with-pkgversion=*) pkgversion="$optarg"
1360  ;;
1361  --with-coroutine=*) coroutine="$optarg"
1362  ;;
1363  --disable-coroutine-pool) coroutine_pool="no"
1364  ;;
1365  --enable-coroutine-pool) coroutine_pool="yes"
1366  ;;
1367  --enable-debug-stack-usage) debug_stack_usage="yes"
1368  ;;
1369  --enable-crypto-afalg) crypto_afalg="yes"
1370  ;;
1371  --disable-crypto-afalg) crypto_afalg="no"
1372  ;;
1373  --disable-docs) docs="no"
1374  ;;
1375  --enable-docs) docs="yes"
1376  ;;
1377  --disable-vhost-net) vhost_net="no"
1378  ;;
1379  --enable-vhost-net) vhost_net="yes"
1380  ;;
1381  --disable-vhost-crypto) vhost_crypto="no"
1382  ;;
1383  --enable-vhost-crypto) vhost_crypto="yes"
1384  ;;
1385  --disable-vhost-scsi) vhost_scsi="no"
1386  ;;
1387  --enable-vhost-scsi) vhost_scsi="yes"
1388  ;;
1389  --disable-vhost-vsock) vhost_vsock="no"
1390  ;;
1391  --enable-vhost-vsock) vhost_vsock="yes"
1392  ;;
1393  --disable-vhost-user-fs) vhost_user_fs="no"
1394  ;;
1395  --enable-vhost-user-fs) vhost_user_fs="yes"
1396  ;;
1397  --disable-opengl) opengl="no"
1398  ;;
1399  --enable-opengl) opengl="yes"
1400  ;;
1401  --disable-rbd) rbd="no"
1402  ;;
1403  --enable-rbd) rbd="yes"
1404  ;;
1405  --disable-xfsctl) xfs="no"
1406  ;;
1407  --enable-xfsctl) xfs="yes"
1408  ;;
1409  --disable-smartcard) smartcard="no"
1410  ;;
1411  --enable-smartcard) smartcard="yes"
1412  ;;
1413  --disable-libusb) libusb="no"
1414  ;;
1415  --enable-libusb) libusb="yes"
1416  ;;
1417  --disable-usb-redir) usb_redir="no"
1418  ;;
1419  --enable-usb-redir) usb_redir="yes"
1420  ;;
1421  --disable-zlib-test) zlib="no"
1422  ;;
1423  --disable-lzo) lzo="no"
1424  ;;
1425  --enable-lzo) lzo="yes"
1426  ;;
1427  --disable-snappy) snappy="no"
1428  ;;
1429  --enable-snappy) snappy="yes"
1430  ;;
1431  --disable-bzip2) bzip2="no"
1432  ;;
1433  --enable-bzip2) bzip2="yes"
1434  ;;
1435  --enable-lzfse) lzfse="yes"
1436  ;;
1437  --disable-lzfse) lzfse="no"
1438  ;;
1439  --disable-zstd) zstd="no"
1440  ;;
1441  --enable-zstd) zstd="yes"
1442  ;;
1443  --enable-guest-agent) guest_agent="yes"
1444  ;;
1445  --disable-guest-agent) guest_agent="no"
1446  ;;
1447  --enable-guest-agent-msi) guest_agent_msi="yes"
1448  ;;
1449  --disable-guest-agent-msi) guest_agent_msi="no"
1450  ;;
1451  --with-vss-sdk) vss_win32_sdk=""
1452  ;;
1453  --with-vss-sdk=*) vss_win32_sdk="$optarg"
1454  ;;
1455  --without-vss-sdk) vss_win32_sdk="no"
1456  ;;
1457  --with-win-sdk) win_sdk=""
1458  ;;
1459  --with-win-sdk=*) win_sdk="$optarg"
1460  ;;
1461  --without-win-sdk) win_sdk="no"
1462  ;;
1463  --enable-tools) want_tools="yes"
1464  ;;
1465  --disable-tools) want_tools="no"
1466  ;;
1467  --enable-seccomp) seccomp="yes"
1468  ;;
1469  --disable-seccomp) seccomp="no"
1470  ;;
1471  --disable-glusterfs) glusterfs="no"
1472  ;;
1473  --disable-avx2) avx2_opt="no"
1474  ;;
1475  --enable-avx2) avx2_opt="yes"
1476  ;;
1477  --disable-avx512f) avx512f_opt="no"
1478  ;;
1479  --enable-avx512f) avx512f_opt="yes"
1480  ;;
1481
1482  --enable-glusterfs) glusterfs="yes"
1483  ;;
1484  --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1485      echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1486  ;;
1487  --enable-vhdx|--disable-vhdx)
1488      echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1489  ;;
1490  --enable-uuid|--disable-uuid)
1491      echo "$0: $opt is obsolete, UUID support is always built" >&2
1492  ;;
1493  --disable-gtk) gtk="no"
1494  ;;
1495  --enable-gtk) gtk="yes"
1496  ;;
1497  --tls-priority=*) tls_priority="$optarg"
1498  ;;
1499  --disable-gnutls) gnutls="no"
1500  ;;
1501  --enable-gnutls) gnutls="yes"
1502  ;;
1503  --disable-nettle) nettle="no"
1504  ;;
1505  --enable-nettle) nettle="yes"
1506  ;;
1507  --disable-gcrypt) gcrypt="no"
1508  ;;
1509  --enable-gcrypt) gcrypt="yes"
1510  ;;
1511  --disable-auth-pam) auth_pam="no"
1512  ;;
1513  --enable-auth-pam) auth_pam="yes"
1514  ;;
1515  --enable-rdma) rdma="yes"
1516  ;;
1517  --disable-rdma) rdma="no"
1518  ;;
1519  --enable-pvrdma) pvrdma="yes"
1520  ;;
1521  --disable-pvrdma) pvrdma="no"
1522  ;;
1523  --disable-vte) vte="no"
1524  ;;
1525  --enable-vte) vte="yes"
1526  ;;
1527  --disable-virglrenderer) virglrenderer="no"
1528  ;;
1529  --enable-virglrenderer) virglrenderer="yes"
1530  ;;
1531  --disable-tpm) tpm="no"
1532  ;;
1533  --enable-tpm) tpm="yes"
1534  ;;
1535  --disable-libssh) libssh="no"
1536  ;;
1537  --enable-libssh) libssh="yes"
1538  ;;
1539  --disable-live-block-migration) live_block_migration="no"
1540  ;;
1541  --enable-live-block-migration) live_block_migration="yes"
1542  ;;
1543  --disable-numa) numa="no"
1544  ;;
1545  --enable-numa) numa="yes"
1546  ;;
1547  --disable-libxml2) libxml2="no"
1548  ;;
1549  --enable-libxml2) libxml2="yes"
1550  ;;
1551  --disable-tcmalloc) tcmalloc="no"
1552  ;;
1553  --enable-tcmalloc) tcmalloc="yes"
1554  ;;
1555  --disable-jemalloc) jemalloc="no"
1556  ;;
1557  --enable-jemalloc) jemalloc="yes"
1558  ;;
1559  --disable-replication) replication="no"
1560  ;;
1561  --enable-replication) replication="yes"
1562  ;;
1563  --disable-bochs) bochs="no"
1564  ;;
1565  --enable-bochs) bochs="yes"
1566  ;;
1567  --disable-cloop) cloop="no"
1568  ;;
1569  --enable-cloop) cloop="yes"
1570  ;;
1571  --disable-dmg) dmg="no"
1572  ;;
1573  --enable-dmg) dmg="yes"
1574  ;;
1575  --disable-qcow1) qcow1="no"
1576  ;;
1577  --enable-qcow1) qcow1="yes"
1578  ;;
1579  --disable-vdi) vdi="no"
1580  ;;
1581  --enable-vdi) vdi="yes"
1582  ;;
1583  --disable-vvfat) vvfat="no"
1584  ;;
1585  --enable-vvfat) vvfat="yes"
1586  ;;
1587  --disable-qed) qed="no"
1588  ;;
1589  --enable-qed) qed="yes"
1590  ;;
1591  --disable-parallels) parallels="no"
1592  ;;
1593  --enable-parallels) parallels="yes"
1594  ;;
1595  --disable-sheepdog) sheepdog="no"
1596  ;;
1597  --enable-sheepdog) sheepdog="yes"
1598  ;;
1599  --disable-vhost-user) vhost_user="no"
1600  ;;
1601  --enable-vhost-user) vhost_user="yes"
1602  ;;
1603  --disable-vhost-vdpa) vhost_vdpa="no"
1604  ;;
1605  --enable-vhost-vdpa) vhost_vdpa="yes"
1606  ;;
1607  --disable-vhost-kernel) vhost_kernel="no"
1608  ;;
1609  --enable-vhost-kernel) vhost_kernel="yes"
1610  ;;
1611  --disable-capstone) capstone="no"
1612  ;;
1613  --enable-capstone) capstone="yes"
1614  ;;
1615  --enable-capstone=git) capstone="git"
1616  ;;
1617  --enable-capstone=system) capstone="system"
1618  ;;
1619  --with-git=*) git="$optarg"
1620  ;;
1621  --enable-git-update) git_update=yes
1622  ;;
1623  --disable-git-update) git_update=no
1624  ;;
1625  --enable-debug-mutex) debug_mutex=yes
1626  ;;
1627  --disable-debug-mutex) debug_mutex=no
1628  ;;
1629  --enable-libpmem) libpmem=yes
1630  ;;
1631  --disable-libpmem) libpmem=no
1632  ;;
1633  --enable-xkbcommon) xkbcommon=yes
1634  ;;
1635  --disable-xkbcommon) xkbcommon=no
1636  ;;
1637  --enable-plugins) plugins="yes"
1638  ;;
1639  --disable-plugins) plugins="no"
1640  ;;
1641  --enable-containers) use_containers="yes"
1642  ;;
1643  --disable-containers) use_containers="no"
1644  ;;
1645  --enable-fuzzing) fuzzing=yes
1646  ;;
1647  --disable-fuzzing) fuzzing=no
1648  ;;
1649  --gdb=*) gdb_bin="$optarg"
1650  ;;
1651  --enable-rng-none) rng_none=yes
1652  ;;
1653  --disable-rng-none) rng_none=no
1654  ;;
1655  --enable-keyring) secret_keyring="yes"
1656  ;;
1657  --disable-keyring) secret_keyring="no"
1658  ;;
1659  --enable-libdaxctl) libdaxctl=yes
1660  ;;
1661  --disable-libdaxctl) libdaxctl=no
1662  ;;
1663  *)
1664      echo "ERROR: unknown option $opt"
1665      echo "Try '$0 --help' for more information"
1666      exit 1
1667  ;;
1668  esac
1669done
1670
1671libdir="${libdir:-$prefix/lib}"
1672libexecdir="${libexecdir:-$prefix/libexec}"
1673includedir="${includedir:-$prefix/include}"
1674
1675if test "$mingw32" = "yes" ; then
1676    mandir="$prefix"
1677    datadir="$prefix"
1678    qemu_docdir="$prefix"
1679    bindir="$prefix"
1680    sysconfdir="$prefix"
1681    local_statedir=
1682else
1683    mandir="${mandir:-$prefix/share/man}"
1684    datadir="${datadir:-$prefix/share}"
1685    qemu_docdir="${qemu_docdir:-$prefix/share/doc/qemu}"
1686    bindir="${bindir:-$prefix/bin}"
1687    sysconfdir="${sysconfdir:-$prefix/etc}"
1688    local_statedir="${local_statedir:-$prefix/var}"
1689fi
1690
1691case "$cpu" in
1692    ppc)
1693           CPU_CFLAGS="-m32"
1694           QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1695           ;;
1696    ppc64)
1697           CPU_CFLAGS="-m64"
1698           QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1699           ;;
1700    sparc)
1701           CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1702           QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1703           ;;
1704    sparc64)
1705           CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1706           QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1707           ;;
1708    s390)
1709           CPU_CFLAGS="-m31"
1710           QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1711           ;;
1712    s390x)
1713           CPU_CFLAGS="-m64"
1714           QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1715           ;;
1716    i386)
1717           CPU_CFLAGS="-m32"
1718           QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1719           ;;
1720    x86_64)
1721           # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1722           # If we truly care, we should simply detect this case at
1723           # runtime and generate the fallback to serial emulation.
1724           CPU_CFLAGS="-m64 -mcx16"
1725           QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1726           ;;
1727    x32)
1728           CPU_CFLAGS="-mx32"
1729           QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1730           ;;
1731    # No special flags required for other host CPUs
1732esac
1733
1734eval "cross_cc_${cpu}=\$host_cc"
1735cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1736QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1737
1738# For user-mode emulation the host arch has to be one we explicitly
1739# support, even if we're using TCI.
1740if [ "$ARCH" = "unknown" ]; then
1741  bsd_user="no"
1742  linux_user="no"
1743fi
1744
1745if [ "$bsd_user" = "no" -a "$linux_user" = "no" -a "$softmmu" = "no" ] ; then
1746  tcg="no"
1747fi
1748
1749default_target_list=""
1750
1751mak_wilds=""
1752
1753if [ "$softmmu" = "yes" ]; then
1754    mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1755fi
1756if [ "$linux_user" = "yes" ]; then
1757    mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1758fi
1759if [ "$bsd_user" = "yes" ]; then
1760    mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1761fi
1762
1763if test -z "$target_list_exclude"; then
1764    for config in $mak_wilds; do
1765        default_target_list="${default_target_list} $(basename "$config" .mak)"
1766    done
1767else
1768    exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1769    for config in $mak_wilds; do
1770        target="$(basename "$config" .mak)"
1771        exclude="no"
1772        for excl in $exclude_list; do
1773            if test "$excl" = "$target"; then
1774                exclude="yes"
1775                break;
1776            fi
1777        done
1778        if test "$exclude" = "no"; then
1779            default_target_list="${default_target_list} $target"
1780        fi
1781    done
1782fi
1783
1784# Enumerate public trace backends for --help output
1785trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1786
1787if test x"$show_help" = x"yes" ; then
1788cat << EOF
1789
1790Usage: configure [options]
1791Options: [defaults in brackets after descriptions]
1792
1793Standard options:
1794  --help                   print this message
1795  --prefix=PREFIX          install in PREFIX [$prefix]
1796  --interp-prefix=PREFIX   where to find shared libraries, etc.
1797                           use %M for cpu name [$interp_prefix]
1798  --target-list=LIST       set target list (default: build everything)
1799$(echo Available targets: $default_target_list | \
1800  fold -s -w 53 | sed -e 's/^/                           /')
1801  --target-list-exclude=LIST exclude a set of targets from the default target-list
1802
1803Advanced options (experts only):
1804  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1805  --cc=CC                  use C compiler CC [$cc]
1806  --iasl=IASL              use ACPI compiler IASL [$iasl]
1807  --host-cc=CC             use C compiler CC [$host_cc] for code run at
1808                           build time
1809  --cxx=CXX                use C++ compiler CXX [$cxx]
1810  --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1811  --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1812  --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1813  --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1814  --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1815  --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1816  --make=MAKE              use specified make [$make]
1817  --install=INSTALL        use specified install [$install]
1818  --python=PYTHON          use specified python [$python]
1819  --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1820  --meson=MESON            use specified meson [$meson]
1821  --smbd=SMBD              use specified smbd [$smbd]
1822  --with-git=GIT           use specified git [$git]
1823  --static                 enable static build [$static]
1824  --mandir=PATH            install man pages in PATH
1825  --datadir=PATH           install firmware in PATH$confsuffix
1826  --docdir=PATH            install documentation in PATH$confsuffix
1827  --bindir=PATH            install binaries in PATH
1828  --libdir=PATH            install libraries in PATH
1829  --libexecdir=PATH        install helper binaries in PATH
1830  --sysconfdir=PATH        install config in PATH$confsuffix
1831  --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1832  --firmwarepath=PATH      search PATH for firmware files
1833  --efi-aarch64=PATH       PATH of efi file to use for aarch64 VMs.
1834  --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1835  --with-pkgversion=VERS   use specified string as sub-version of the package
1836  --enable-debug           enable common debug build options
1837  --enable-sanitizers      enable default sanitizers
1838  --enable-tsan            enable thread sanitizer
1839  --disable-strip          disable stripping binaries
1840  --disable-werror         disable compilation abort on warning
1841  --disable-stack-protector disable compiler-provided stack protection
1842  --audio-drv-list=LIST    set audio drivers list:
1843                           Available drivers: $audio_possible_drivers
1844  --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1845  --block-drv-rw-whitelist=L
1846                           set block driver read-write whitelist
1847                           (affects only QEMU, not qemu-img)
1848  --block-drv-ro-whitelist=L
1849                           set block driver read-only whitelist
1850                           (affects only QEMU, not qemu-img)
1851  --enable-trace-backends=B Set trace backend
1852                           Available backends: $trace_backend_list
1853  --with-trace-file=NAME   Full PATH,NAME of file to store traces
1854                           Default:trace-<pid>
1855  --disable-slirp          disable SLIRP userspace network connectivity
1856  --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1857  --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1858  --oss-lib                path to OSS library
1859  --cpu=CPU                Build for host CPU [$cpu]
1860  --with-coroutine=BACKEND coroutine backend. Supported options:
1861                           ucontext, sigaltstack, windows
1862  --enable-gcov            enable test coverage analysis with gcov
1863  --disable-blobs          disable installing provided firmware blobs
1864  --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1865  --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1866  --tls-priority           default TLS protocol/cipher priority string
1867  --enable-gprof           QEMU profiling with gprof
1868  --enable-profiler        profiler support
1869  --enable-debug-stack-usage
1870                           track the maximum stack usage of stacks created by qemu_alloc_stack
1871  --enable-plugins
1872                           enable plugins via shared library loading
1873  --disable-containers     don't use containers for cross-building
1874  --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1875
1876Optional features, enabled with --enable-FEATURE and
1877disabled with --disable-FEATURE, default is enabled if available:
1878
1879  system          all system emulation targets
1880  user            supported user emulation targets
1881  linux-user      all linux usermode emulation targets
1882  bsd-user        all BSD usermode emulation targets
1883  docs            build documentation
1884  guest-agent     build the QEMU Guest Agent
1885  guest-agent-msi build guest agent Windows MSI installation package
1886  pie             Position Independent Executables
1887  modules         modules support (non-Windows)
1888  module-upgrades try to load modules from alternate paths for upgrades
1889  debug-tcg       TCG debugging (default is disabled)
1890  debug-info      debugging information
1891  sparse          sparse checker
1892  safe-stack      SafeStack Stack Smash Protection. Depends on
1893                  clang/llvm >= 3.7 and requires coroutine backend ucontext.
1894
1895  gnutls          GNUTLS cryptography support
1896  nettle          nettle cryptography support
1897  gcrypt          libgcrypt cryptography support
1898  auth-pam        PAM access control
1899  sdl             SDL UI
1900  sdl-image       SDL Image support for icons
1901  gtk             gtk UI
1902  vte             vte support for the gtk UI
1903  curses          curses UI
1904  iconv           font glyph conversion support
1905  vnc             VNC UI support
1906  vnc-sasl        SASL encryption for VNC server
1907  vnc-jpeg        JPEG lossy compression for VNC server
1908  vnc-png         PNG compression for VNC server
1909  cocoa           Cocoa UI (Mac OS X only)
1910  virtfs          VirtFS
1911  mpath           Multipath persistent reservation passthrough
1912  xen             xen backend driver support
1913  xen-pci-passthrough    PCI passthrough support for Xen
1914  brlapi          BrlAPI (Braile)
1915  curl            curl connectivity
1916  membarrier      membarrier system call (for Linux 4.14+ or Windows)
1917  fdt             fdt device tree
1918  kvm             KVM acceleration support
1919  hax             HAX acceleration support
1920  hvf             Hypervisor.framework acceleration support
1921  whpx            Windows Hypervisor Platform acceleration support
1922  rdma            Enable RDMA-based migration
1923  pvrdma          Enable PVRDMA support
1924  vde             support for vde network
1925  netmap          support for netmap network
1926  linux-aio       Linux AIO support
1927  linux-io-uring  Linux io_uring support
1928  cap-ng          libcap-ng support
1929  attr            attr and xattr support
1930  vhost-net       vhost-net kernel acceleration support
1931  vhost-vsock     virtio sockets device support
1932  vhost-scsi      vhost-scsi kernel target support
1933  vhost-crypto    vhost-user-crypto backend support
1934  vhost-kernel    vhost kernel backend support
1935  vhost-user      vhost-user backend support
1936  vhost-vdpa      vhost-vdpa kernel backend support
1937  spice           spice
1938  rbd             rados block device (rbd)
1939  libiscsi        iscsi support
1940  libnfs          nfs support
1941  smartcard       smartcard support (libcacard)
1942  libusb          libusb (for usb passthrough)
1943  live-block-migration   Block migration in the main migration stream
1944  usb-redir       usb network redirection support
1945  lzo             support of lzo compression library
1946  snappy          support of snappy compression library
1947  bzip2           support of bzip2 compression library
1948                  (for reading bzip2-compressed dmg images)
1949  lzfse           support of lzfse compression library
1950                  (for reading lzfse-compressed dmg images)
1951  zstd            support for zstd compression library
1952                  (for migration compression and qcow2 cluster compression)
1953  seccomp         seccomp support
1954  coroutine-pool  coroutine freelist (better performance)
1955  glusterfs       GlusterFS backend
1956  tpm             TPM support
1957  libssh          ssh block device support
1958  numa            libnuma support
1959  libxml2         for Parallels image format
1960  tcmalloc        tcmalloc support
1961  jemalloc        jemalloc support
1962  avx2            AVX2 optimization support
1963  avx512f         AVX512F optimization support
1964  replication     replication support
1965  opengl          opengl support
1966  virglrenderer   virgl rendering support
1967  xfsctl          xfsctl support
1968  qom-cast-debug  cast debugging support
1969  tools           build qemu-io, qemu-nbd and qemu-img tools
1970  bochs           bochs image format support
1971  cloop           cloop image format support
1972  dmg             dmg image format support
1973  qcow1           qcow v1 image format support
1974  vdi             vdi image format support
1975  vvfat           vvfat image format support
1976  qed             qed image format support
1977  parallels       parallels image format support
1978  sheepdog        sheepdog block driver support
1979  crypto-afalg    Linux AF_ALG crypto backend driver
1980  capstone        capstone disassembler support
1981  debug-mutex     mutex debugging support
1982  libpmem         libpmem support
1983  xkbcommon       xkbcommon support
1984  rng-none        dummy RNG, avoid using /dev/(u)random and getrandom()
1985  libdaxctl       libdaxctl support
1986
1987NOTE: The object files are built at the place where configure is launched
1988EOF
1989exit 0
1990fi
1991
1992# Remove old dependency files to make sure that they get properly regenerated
1993rm -f */config-devices.mak.d
1994
1995# Remove syscall_nr.h to be sure they will be regenerated in the build
1996# directory, not in the source directory
1997for arch in alpha hppa m68k xtensa sh4 microblaze arm ppc s390x sparc sparc64 \
1998    i386 x86_64 mips mips64 ; do
1999    # remove the file if it has been generated in the source directory
2000    rm -f "${source_path}/linux-user/${arch}/syscall_nr.h"
2001    # remove the dependency files
2002    for target in ${arch}*-linux-user ; do
2003        test -d "${target}" && find "${target}" -type f -name "*.d" \
2004             -exec grep -q "${source_path}/linux-user/${arch}/syscall_nr.h" {} \; \
2005             -print | while read file ; do rm "${file}" "${file%.d}.o" ; done
2006    done
2007done
2008
2009if test -z "$python"
2010then
2011    error_exit "Python not found. Use --python=/path/to/python"
2012fi
2013
2014# Note that if the Python conditional here evaluates True we will exit
2015# with status 1 which is a shell 'false' value.
2016if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
2017  error_exit "Cannot use '$python', Python >= 3.5 is required." \
2018      "Use --python=/path/to/python to specify a supported Python."
2019fi
2020
2021# Preserve python version since some functionality is dependent on it
2022python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null)
2023
2024# Suppress writing compiled files
2025python="$python -B"
2026
2027if test -z "$meson"; then
2028    if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.0; then
2029        meson=meson
2030    elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
2031        meson=git
2032    elif test -e "${source_path}/meson/meson.py" ; then
2033        meson=internal
2034    else
2035        if test "$explicit_python" = yes; then
2036            error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
2037        else
2038            error_exit "Meson not found.  Use --meson=/path/to/meson"
2039        fi
2040    fi
2041else
2042    # Meson uses its own Python interpreter to invoke other Python scripts,
2043    # but the user wants to use the one they specified with --python.
2044    #
2045    # We do not want to override the distro Python interpreter (and sometimes
2046    # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
2047    # just require --meson=git|internal together with --python.
2048    if test "$explicit_python" = yes; then
2049        case "$meson" in
2050            git | internal) ;;
2051            *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
2052        esac
2053    fi
2054fi
2055
2056if test "$meson" = git; then
2057    git_submodules="${git_submodules} meson"
2058fi
2059if test "$git_update" = yes; then
2060    (cd "${source_path}" && GIT="$git" "./scripts/git-submodule.sh" update "$git_submodules")
2061fi
2062
2063case "$meson" in
2064    git | internal)
2065        if ! $python -c 'import pkg_resources' > /dev/null 2>&1; then
2066            error_exit "Python setuptools not found"
2067        fi
2068        meson="$python ${source_path}/meson/meson.py"
2069        ;;
2070    *) meson=$(command -v meson) ;;
2071esac
2072
2073
2074# Check that the C compiler works. Doing this here before testing
2075# the host CPU ensures that we had a valid CC to autodetect the
2076# $cpu var (and we should bail right here if that's not the case).
2077# It also allows the help message to be printed without a CC.
2078write_c_skeleton;
2079if compile_object ; then
2080  : C compiler works ok
2081else
2082    error_exit "\"$cc\" either does not exist or does not work"
2083fi
2084if ! compile_prog ; then
2085    error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
2086fi
2087
2088# Now we have handled --enable-tcg-interpreter and know we're not just
2089# printing the help message, bail out if the host CPU isn't supported.
2090if test "$ARCH" = "unknown"; then
2091    if test "$tcg_interpreter" = "yes" ; then
2092        echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
2093    else
2094        error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
2095    fi
2096fi
2097
2098# Consult white-list to determine whether to enable werror
2099# by default.  Only enable by default for git builds
2100if test -z "$werror" ; then
2101    if test -e "$source_path/.git" && \
2102        { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
2103        werror="yes"
2104    else
2105        werror="no"
2106    fi
2107fi
2108
2109if test "$bogus_os" = "yes"; then
2110    # Now that we know that we're not printing the help and that
2111    # the compiler works (so the results of the check_defines we used
2112    # to identify the OS are reliable), if we didn't recognize the
2113    # host OS we should stop now.
2114    error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
2115fi
2116
2117# Check whether the compiler matches our minimum requirements:
2118cat > $TMPC << EOF
2119#if defined(__clang_major__) && defined(__clang_minor__)
2120# ifdef __apple_build_version__
2121#  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
2122#   error You need at least XCode Clang v5.1 to compile QEMU
2123#  endif
2124# else
2125#  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
2126#   error You need at least Clang v3.4 to compile QEMU
2127#  endif
2128# endif
2129#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
2130# if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
2131#  error You need at least GCC v4.8 to compile QEMU
2132# endif
2133#else
2134# error You either need GCC or Clang to compiler QEMU
2135#endif
2136int main (void) { return 0; }
2137EOF
2138if ! compile_prog "" "" ; then
2139    error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2140fi
2141
2142# Accumulate -Wfoo and -Wno-bar separately.
2143# We will list all of the enable flags first, and the disable flags second.
2144# Note that we do not add -Werror, because that would enable it for all
2145# configure tests. If a configure test failed due to -Werror this would
2146# just silently disable some features, so it's too error prone.
2147
2148warn_flags=
2149add_to warn_flags -Wold-style-declaration
2150add_to warn_flags -Wold-style-definition
2151add_to warn_flags -Wtype-limits
2152add_to warn_flags -Wformat-security
2153add_to warn_flags -Wformat-y2k
2154add_to warn_flags -Winit-self
2155add_to warn_flags -Wignored-qualifiers
2156add_to warn_flags -Wempty-body
2157add_to warn_flags -Wnested-externs
2158add_to warn_flags -Wendif-labels
2159add_to warn_flags -Wexpansion-to-defined
2160
2161nowarn_flags=
2162add_to nowarn_flags -Wno-initializer-overrides
2163add_to nowarn_flags -Wno-missing-include-dirs
2164add_to nowarn_flags -Wno-shift-negative-value
2165add_to nowarn_flags -Wno-string-plus-int
2166add_to nowarn_flags -Wno-typedef-redefinition
2167add_to nowarn_flags -Wno-tautological-type-limit-compare
2168add_to nowarn_flags -Wno-psabi
2169
2170gcc_flags="$warn_flags $nowarn_flags"
2171
2172cc_has_warning_flag() {
2173    write_c_skeleton;
2174
2175    # Use the positive sense of the flag when testing for -Wno-wombat
2176    # support (gcc will happily accept the -Wno- form of unknown
2177    # warning options).
2178    optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2179    compile_prog "-Werror $optflag" ""
2180}
2181
2182for flag in $gcc_flags; do
2183    if cc_has_warning_flag $flag ; then
2184        QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2185    fi
2186done
2187
2188if test "$stack_protector" != "no"; then
2189  cat > $TMPC << EOF
2190int main(int argc, char *argv[])
2191{
2192    char arr[64], *p = arr, *c = argv[0];
2193    while (*c) {
2194        *p++ = *c++;
2195    }
2196    return 0;
2197}
2198EOF
2199  gcc_flags="-fstack-protector-strong -fstack-protector-all"
2200  sp_on=0
2201  for flag in $gcc_flags; do
2202    # We need to check both a compile and a link, since some compiler
2203    # setups fail only on a .c->.o compile and some only at link time
2204    if compile_object "-Werror $flag" &&
2205       compile_prog "-Werror $flag" ""; then
2206      QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2207      QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2208      sp_on=1
2209      break
2210    fi
2211  done
2212  if test "$stack_protector" = yes; then
2213    if test $sp_on = 0; then
2214      error_exit "Stack protector not supported"
2215    fi
2216  fi
2217fi
2218
2219# Disable -Wmissing-braces on older compilers that warn even for
2220# the "universal" C zero initializer {0}.
2221cat > $TMPC << EOF
2222struct {
2223  int a[2];
2224} x = {0};
2225EOF
2226if compile_object "-Werror" "" ; then
2227  :
2228else
2229  QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2230fi
2231
2232# Our module code doesn't support Windows
2233if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2234  error_exit "Modules are not available for Windows"
2235fi
2236
2237# module_upgrades is only reasonable if modules are enabled
2238if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2239  error_exit "Can't enable module-upgrades as Modules are not enabled"
2240fi
2241
2242# Static linking is not possible with modules or PIE
2243if test "$static" = "yes" ; then
2244  if test "$modules" = "yes" ; then
2245    error_exit "static and modules are mutually incompatible"
2246  fi
2247fi
2248
2249# Unconditional check for compiler __thread support
2250  cat > $TMPC << EOF
2251static __thread int tls_var;
2252int main(void) { return tls_var; }
2253EOF
2254
2255if ! compile_prog "-Werror" "" ; then
2256    error_exit "Your compiler does not support the __thread specifier for " \
2257	"Thread-Local Storage (TLS). Please upgrade to a version that does."
2258fi
2259
2260cat > $TMPC << EOF
2261
2262#ifdef __linux__
2263#  define THREAD __thread
2264#else
2265#  define THREAD
2266#endif
2267static THREAD int tls_var;
2268int main(void) { return tls_var; }
2269EOF
2270
2271# Check we support --no-pie first; we will need this for building ROMs.
2272if compile_prog "-Werror -fno-pie" "-no-pie"; then
2273  CFLAGS_NOPIE="-fno-pie"
2274  LDFLAGS_NOPIE="-no-pie"
2275fi
2276
2277if test "$static" = "yes"; then
2278  if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2279    CFLAGS="-fPIE -DPIE $CFLAGS"
2280    QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2281    pie="yes"
2282  elif test "$pie" = "yes"; then
2283    error_exit "-static-pie not available due to missing toolchain support"
2284  else
2285    QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2286    pie="no"
2287  fi
2288elif test "$pie" = "no"; then
2289  CFLAGS="$CFLAGS_NOPIE $CFLAGS"
2290  LDFLAGS="$LDFLAGS_NOPIE $LDFLAGS"
2291elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2292  CFLAGS="-fPIE -DPIE $CFLAGS"
2293  LDFLAGS="-pie $LDFLAGS"
2294  pie="yes"
2295elif test "$pie" = "yes"; then
2296  error_exit "PIE not available due to missing toolchain support"
2297else
2298  echo "Disabling PIE due to missing toolchain support"
2299  pie="no"
2300fi
2301
2302# Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2303# The combination is known as "full relro", because .got.plt is read-only too.
2304if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2305  QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2306fi
2307
2308##########################################
2309# __sync_fetch_and_and requires at least -march=i486. Many toolchains
2310# use i686 as default anyway, but for those that don't, an explicit
2311# specification is necessary
2312
2313if test "$cpu" = "i386"; then
2314  cat > $TMPC << EOF
2315static int sfaa(int *ptr)
2316{
2317  return __sync_fetch_and_and(ptr, 0);
2318}
2319
2320int main(void)
2321{
2322  int val = 42;
2323  val = __sync_val_compare_and_swap(&val, 0, 1);
2324  sfaa(&val);
2325  return val;
2326}
2327EOF
2328  if ! compile_prog "" "" ; then
2329    QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2330  fi
2331fi
2332
2333#########################################
2334# Solaris specific configure tool chain decisions
2335
2336if test "$solaris" = "yes" ; then
2337  if has $install; then
2338    :
2339  else
2340    error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2341        "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2342        "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2343  fi
2344  if test "$(path_of $install)" = "/usr/sbin/install" ; then
2345    error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2346        "try ginstall from the GNU fileutils available from www.blastwave.org" \
2347        "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2348  fi
2349  if has ar; then
2350    :
2351  else
2352    if test -f /usr/ccs/bin/ar ; then
2353      error_exit "No path includes ar" \
2354          "Add /usr/ccs/bin to your path and rerun configure"
2355    fi
2356    error_exit "No path includes ar"
2357  fi
2358fi
2359
2360if test -z "${target_list+xxx}" ; then
2361    for target in $default_target_list; do
2362        supported_target $target 2>/dev/null && \
2363            target_list="$target_list $target"
2364    done
2365    target_list="${target_list# }"
2366else
2367    target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2368    for target in $target_list; do
2369        # Check that we recognised the target name; this allows a more
2370        # friendly error message than if we let it fall through.
2371        case " $default_target_list " in
2372            *" $target "*)
2373                ;;
2374            *)
2375                error_exit "Unknown target name '$target'"
2376                ;;
2377        esac
2378        supported_target $target || exit 1
2379    done
2380fi
2381
2382# see if system emulation was really requested
2383case " $target_list " in
2384  *"-softmmu "*) softmmu=yes
2385  ;;
2386  *) softmmu=no
2387  ;;
2388esac
2389
2390for target in $target_list; do
2391  case "$target" in
2392    arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2393      edk2_blobs="yes"
2394      ;;
2395  esac
2396done
2397# The EDK2 binaries are compressed with bzip2
2398if test "$edk2_blobs" = "yes" && ! has bzip2; then
2399  error_exit "The bzip2 program is required for building QEMU"
2400fi
2401
2402feature_not_found() {
2403  feature=$1
2404  remedy=$2
2405
2406  error_exit "User requested feature $feature" \
2407      "configure was not able to find it." \
2408      "$remedy"
2409}
2410
2411# ---
2412# big/little endian test
2413cat > $TMPC << EOF
2414short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2415short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2416extern int foo(short *, short *);
2417int main(int argc, char *argv[]) {
2418    return foo(big_endian, little_endian);
2419}
2420EOF
2421
2422if compile_object ; then
2423    if strings -a $TMPO | grep -q BiGeNdIaN ; then
2424        bigendian="yes"
2425    elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2426        bigendian="no"
2427    else
2428        echo big/little test failed
2429    fi
2430else
2431    echo big/little test failed
2432fi
2433
2434##########################################
2435# system tools
2436if test -z "$want_tools"; then
2437    if test "$softmmu" = "no"; then
2438        want_tools=no
2439    else
2440        want_tools=yes
2441    fi
2442fi
2443
2444##########################################
2445# cocoa implies not SDL or GTK
2446# (the cocoa UI code currently assumes it is always the active UI
2447# and doesn't interact well with other UI frontend code)
2448if test "$cocoa" = "yes"; then
2449    if test "$sdl" = "yes"; then
2450        error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2451    fi
2452    if test "$gtk" = "yes"; then
2453        error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2454    fi
2455    gtk=no
2456    sdl=no
2457fi
2458
2459# Some versions of Mac OS X incorrectly define SIZE_MAX
2460cat > $TMPC << EOF
2461#include <stdint.h>
2462#include <stdio.h>
2463int main(int argc, char *argv[]) {
2464    return printf("%zu", SIZE_MAX);
2465}
2466EOF
2467have_broken_size_max=no
2468if ! compile_object -Werror ; then
2469    have_broken_size_max=yes
2470fi
2471
2472##########################################
2473# L2TPV3 probe
2474
2475cat > $TMPC <<EOF
2476#include <sys/socket.h>
2477#include <linux/ip.h>
2478int main(void) { return sizeof(struct mmsghdr); }
2479EOF
2480if compile_prog "" "" ; then
2481  l2tpv3=yes
2482else
2483  l2tpv3=no
2484fi
2485
2486if check_include "pty.h" ; then
2487  pty_h=yes
2488else
2489  pty_h=no
2490fi
2491
2492cat > $TMPC <<EOF
2493#include <sys/mman.h>
2494int main(int argc, char *argv[]) {
2495    return mlockall(MCL_FUTURE);
2496}
2497EOF
2498if compile_prog "" "" ; then
2499  have_mlockall=yes
2500else
2501  have_mlockall=no
2502fi
2503
2504#########################################
2505# vhost interdependencies and host support
2506
2507# vhost backends
2508test "$vhost_user" = "" && vhost_user=yes
2509if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2510  error_exit "vhost-user isn't available on win32"
2511fi
2512test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2513if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2514  error_exit "vhost-vdpa is only available on Linux"
2515fi
2516test "$vhost_kernel" = "" && vhost_kernel=$linux
2517if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2518  error_exit "vhost-kernel is only available on Linux"
2519fi
2520
2521# vhost-kernel devices
2522test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2523if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2524  error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2525fi
2526test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2527if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2528  error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2529fi
2530
2531# vhost-user backends
2532test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2533if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2534  error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2535fi
2536test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2537if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2538  error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2539fi
2540test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2541if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2542  error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2543fi
2544#vhost-vdpa backends
2545test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2546if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2547  error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2548fi
2549
2550# OR the vhost-kernel and vhost-user values for simplicity
2551if test "$vhost_net" = ""; then
2552  test "$vhost_net_user" = "yes" && vhost_net=yes
2553  test "$vhost_kernel" = "yes" && vhost_net=yes
2554fi
2555
2556##########################################
2557# MinGW / Mingw-w64 localtime_r/gmtime_r check
2558
2559if test "$mingw32" = "yes"; then
2560    # Some versions of MinGW / Mingw-w64 lack localtime_r
2561    # and gmtime_r entirely.
2562    #
2563    # Some versions of Mingw-w64 define a macro for
2564    # localtime_r/gmtime_r.
2565    #
2566    # Some versions of Mingw-w64 will define functions
2567    # for localtime_r/gmtime_r, but only if you have
2568    # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2569    # though, unistd.h and pthread.h both define
2570    # that for you.
2571    #
2572    # So this #undef localtime_r and #include <unistd.h>
2573    # are not in fact redundant.
2574cat > $TMPC << EOF
2575#include <unistd.h>
2576#include <time.h>
2577#undef localtime_r
2578int main(void) { localtime_r(NULL, NULL); return 0; }
2579EOF
2580    if compile_prog "" "" ; then
2581        localtime_r="yes"
2582    else
2583        localtime_r="no"
2584    fi
2585fi
2586
2587##########################################
2588# pkg-config probe
2589
2590if ! has "$pkg_config_exe"; then
2591  error_exit "pkg-config binary '$pkg_config_exe' not found"
2592fi
2593
2594##########################################
2595# NPTL probe
2596
2597if test "$linux_user" = "yes"; then
2598  cat > $TMPC <<EOF
2599#include <sched.h>
2600#include <linux/futex.h>
2601int main(void) {
2602#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2603#error bork
2604#endif
2605  return 0;
2606}
2607EOF
2608  if ! compile_object ; then
2609    feature_not_found "nptl" "Install glibc and linux kernel headers."
2610  fi
2611fi
2612
2613##########################################
2614# lzo check
2615
2616if test "$lzo" != "no" ; then
2617    cat > $TMPC << EOF
2618#include <lzo/lzo1x.h>
2619int main(void) { lzo_version(); return 0; }
2620EOF
2621    if compile_prog "" "-llzo2" ; then
2622        libs_softmmu="$libs_softmmu -llzo2"
2623        lzo="yes"
2624    else
2625        if test "$lzo" = "yes"; then
2626            feature_not_found "liblzo2" "Install liblzo2 devel"
2627        fi
2628        lzo="no"
2629    fi
2630fi
2631
2632##########################################
2633# snappy check
2634
2635if test "$snappy" != "no" ; then
2636    cat > $TMPC << EOF
2637#include <snappy-c.h>
2638int main(void) { snappy_max_compressed_length(4096); return 0; }
2639EOF
2640    if compile_prog "" "-lsnappy" ; then
2641        libs_softmmu="$libs_softmmu -lsnappy"
2642        snappy="yes"
2643    else
2644        if test "$snappy" = "yes"; then
2645            feature_not_found "libsnappy" "Install libsnappy devel"
2646        fi
2647        snappy="no"
2648    fi
2649fi
2650
2651##########################################
2652# bzip2 check
2653
2654if test "$bzip2" != "no" ; then
2655    cat > $TMPC << EOF
2656#include <bzlib.h>
2657int main(void) { BZ2_bzlibVersion(); return 0; }
2658EOF
2659    if compile_prog "" "-lbz2" ; then
2660        bzip2="yes"
2661    else
2662        if test "$bzip2" = "yes"; then
2663            feature_not_found "libbzip2" "Install libbzip2 devel"
2664        fi
2665        bzip2="no"
2666    fi
2667fi
2668
2669##########################################
2670# lzfse check
2671
2672if test "$lzfse" != "no" ; then
2673    cat > $TMPC << EOF
2674#include <lzfse.h>
2675int main(void) { lzfse_decode_scratch_size(); return 0; }
2676EOF
2677    if compile_prog "" "-llzfse" ; then
2678        lzfse="yes"
2679    else
2680        if test "$lzfse" = "yes"; then
2681            feature_not_found "lzfse" "Install lzfse devel"
2682        fi
2683        lzfse="no"
2684    fi
2685fi
2686
2687##########################################
2688# zstd check
2689
2690if test "$zstd" != "no" ; then
2691    libzstd_minver="1.4.0"
2692    if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2693        zstd_cflags="$($pkg_config --cflags libzstd)"
2694        zstd_libs="$($pkg_config --libs libzstd)"
2695        LIBS="$zstd_libs $LIBS"
2696        QEMU_CFLAGS="$QEMU_CFLAGS $zstd_cflags"
2697        zstd="yes"
2698    else
2699        if test "$zstd" = "yes" ; then
2700            feature_not_found "libzstd" "Install libzstd devel"
2701        fi
2702        zstd="no"
2703    fi
2704fi
2705
2706##########################################
2707# libseccomp check
2708
2709if test "$seccomp" != "no" ; then
2710    libseccomp_minver="2.3.0"
2711    if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2712        seccomp_cflags="$($pkg_config --cflags libseccomp)"
2713        seccomp_libs="$($pkg_config --libs libseccomp)"
2714        seccomp="yes"
2715    else
2716        if test "$seccomp" = "yes" ; then
2717            feature_not_found "libseccomp" \
2718                 "Install libseccomp devel >= $libseccomp_minver"
2719        fi
2720        seccomp="no"
2721    fi
2722fi
2723##########################################
2724# xen probe
2725
2726if test "$xen" != "no" ; then
2727  # Check whether Xen library path is specified via --extra-ldflags to avoid
2728  # overriding this setting with pkg-config output. If not, try pkg-config
2729  # to obtain all needed flags.
2730
2731  if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2732     $pkg_config --exists xencontrol ; then
2733    xen_ctrl_version="$(printf '%d%02d%02d' \
2734      $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2735    xen=yes
2736    xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2737    xen_pc="$xen_pc xenevtchn xendevicemodel"
2738    if $pkg_config --exists xentoolcore; then
2739      xen_pc="$xen_pc xentoolcore"
2740    fi
2741    QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2742    libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2743  else
2744
2745    xen_libs="-lxenstore -lxenctrl -lxenguest"
2746    xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2747
2748    # First we test whether Xen headers and libraries are available.
2749    # If no, we are done and there is no Xen support.
2750    # If yes, more tests are run to detect the Xen version.
2751
2752    # Xen (any)
2753    cat > $TMPC <<EOF
2754#include <xenctrl.h>
2755int main(void) {
2756  return 0;
2757}
2758EOF
2759    if ! compile_prog "" "$xen_libs" ; then
2760      # Xen not found
2761      if test "$xen" = "yes" ; then
2762        feature_not_found "xen" "Install xen devel"
2763      fi
2764      xen=no
2765
2766    # Xen unstable
2767    elif
2768        cat > $TMPC <<EOF &&
2769#undef XC_WANT_COMPAT_DEVICEMODEL_API
2770#define __XEN_TOOLS__
2771#include <xendevicemodel.h>
2772#include <xenforeignmemory.h>
2773int main(void) {
2774  xendevicemodel_handle *xd;
2775  xenforeignmemory_handle *xfmem;
2776
2777  xd = xendevicemodel_open(0, 0);
2778  xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2779
2780  xfmem = xenforeignmemory_open(0, 0);
2781  xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2782
2783  return 0;
2784}
2785EOF
2786        compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2787      then
2788      xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2789      xen_ctrl_version=41100
2790      xen=yes
2791    elif
2792        cat > $TMPC <<EOF &&
2793#undef XC_WANT_COMPAT_MAP_FOREIGN_API
2794#include <xenforeignmemory.h>
2795#include <xentoolcore.h>
2796int main(void) {
2797  xenforeignmemory_handle *xfmem;
2798
2799  xfmem = xenforeignmemory_open(0, 0);
2800  xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2801  xentoolcore_restrict_all(0);
2802
2803  return 0;
2804}
2805EOF
2806        compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2807      then
2808      xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2809      xen_ctrl_version=41000
2810      xen=yes
2811    elif
2812        cat > $TMPC <<EOF &&
2813#undef XC_WANT_COMPAT_DEVICEMODEL_API
2814#define __XEN_TOOLS__
2815#include <xendevicemodel.h>
2816int main(void) {
2817  xendevicemodel_handle *xd;
2818
2819  xd = xendevicemodel_open(0, 0);
2820  xendevicemodel_close(xd);
2821
2822  return 0;
2823}
2824EOF
2825        compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2826      then
2827      xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2828      xen_ctrl_version=40900
2829      xen=yes
2830    elif
2831        cat > $TMPC <<EOF &&
2832/*
2833 * If we have stable libs the we don't want the libxc compat
2834 * layers, regardless of what CFLAGS we may have been given.
2835 *
2836 * Also, check if xengnttab_grant_copy_segment_t is defined and
2837 * grant copy operation is implemented.
2838 */
2839#undef XC_WANT_COMPAT_EVTCHN_API
2840#undef XC_WANT_COMPAT_GNTTAB_API
2841#undef XC_WANT_COMPAT_MAP_FOREIGN_API
2842#include <xenctrl.h>
2843#include <xenstore.h>
2844#include <xenevtchn.h>
2845#include <xengnttab.h>
2846#include <xenforeignmemory.h>
2847#include <stdint.h>
2848#include <xen/hvm/hvm_info_table.h>
2849#if !defined(HVM_MAX_VCPUS)
2850# error HVM_MAX_VCPUS not defined
2851#endif
2852int main(void) {
2853  xc_interface *xc = NULL;
2854  xenforeignmemory_handle *xfmem;
2855  xenevtchn_handle *xe;
2856  xengnttab_handle *xg;
2857  xengnttab_grant_copy_segment_t* seg = NULL;
2858
2859  xs_daemon_open();
2860
2861  xc = xc_interface_open(0, 0, 0);
2862  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2863  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2864  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2865  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2866
2867  xfmem = xenforeignmemory_open(0, 0);
2868  xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2869
2870  xe = xenevtchn_open(0, 0);
2871  xenevtchn_fd(xe);
2872
2873  xg = xengnttab_open(0, 0);
2874  xengnttab_grant_copy(xg, 0, seg);
2875
2876  return 0;
2877}
2878EOF
2879        compile_prog "" "$xen_libs $xen_stable_libs"
2880      then
2881      xen_ctrl_version=40800
2882      xen=yes
2883    elif
2884        cat > $TMPC <<EOF &&
2885/*
2886 * If we have stable libs the we don't want the libxc compat
2887 * layers, regardless of what CFLAGS we may have been given.
2888 */
2889#undef XC_WANT_COMPAT_EVTCHN_API
2890#undef XC_WANT_COMPAT_GNTTAB_API
2891#undef XC_WANT_COMPAT_MAP_FOREIGN_API
2892#include <xenctrl.h>
2893#include <xenstore.h>
2894#include <xenevtchn.h>
2895#include <xengnttab.h>
2896#include <xenforeignmemory.h>
2897#include <stdint.h>
2898#include <xen/hvm/hvm_info_table.h>
2899#if !defined(HVM_MAX_VCPUS)
2900# error HVM_MAX_VCPUS not defined
2901#endif
2902int main(void) {
2903  xc_interface *xc = NULL;
2904  xenforeignmemory_handle *xfmem;
2905  xenevtchn_handle *xe;
2906  xengnttab_handle *xg;
2907
2908  xs_daemon_open();
2909
2910  xc = xc_interface_open(0, 0, 0);
2911  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2912  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2913  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2914  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2915
2916  xfmem = xenforeignmemory_open(0, 0);
2917  xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2918
2919  xe = xenevtchn_open(0, 0);
2920  xenevtchn_fd(xe);
2921
2922  xg = xengnttab_open(0, 0);
2923  xengnttab_map_grant_ref(xg, 0, 0, 0);
2924
2925  return 0;
2926}
2927EOF
2928        compile_prog "" "$xen_libs $xen_stable_libs"
2929      then
2930      xen_ctrl_version=40701
2931      xen=yes
2932
2933    # Xen 4.6
2934    elif
2935        cat > $TMPC <<EOF &&
2936#include <xenctrl.h>
2937#include <xenstore.h>
2938#include <stdint.h>
2939#include <xen/hvm/hvm_info_table.h>
2940#if !defined(HVM_MAX_VCPUS)
2941# error HVM_MAX_VCPUS not defined
2942#endif
2943int main(void) {
2944  xc_interface *xc;
2945  xs_daemon_open();
2946  xc = xc_interface_open(0, 0, 0);
2947  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2948  xc_gnttab_open(NULL, 0);
2949  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2950  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2951  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2952  xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2953  return 0;
2954}
2955EOF
2956        compile_prog "" "$xen_libs"
2957      then
2958      xen_ctrl_version=40600
2959      xen=yes
2960
2961    # Xen 4.5
2962    elif
2963        cat > $TMPC <<EOF &&
2964#include <xenctrl.h>
2965#include <xenstore.h>
2966#include <stdint.h>
2967#include <xen/hvm/hvm_info_table.h>
2968#if !defined(HVM_MAX_VCPUS)
2969# error HVM_MAX_VCPUS not defined
2970#endif
2971int main(void) {
2972  xc_interface *xc;
2973  xs_daemon_open();
2974  xc = xc_interface_open(0, 0, 0);
2975  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2976  xc_gnttab_open(NULL, 0);
2977  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2978  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2979  xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2980  return 0;
2981}
2982EOF
2983        compile_prog "" "$xen_libs"
2984      then
2985      xen_ctrl_version=40500
2986      xen=yes
2987
2988    elif
2989        cat > $TMPC <<EOF &&
2990#include <xenctrl.h>
2991#include <xenstore.h>
2992#include <stdint.h>
2993#include <xen/hvm/hvm_info_table.h>
2994#if !defined(HVM_MAX_VCPUS)
2995# error HVM_MAX_VCPUS not defined
2996#endif
2997int main(void) {
2998  xc_interface *xc;
2999  xs_daemon_open();
3000  xc = xc_interface_open(0, 0, 0);
3001  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
3002  xc_gnttab_open(NULL, 0);
3003  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
3004  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
3005  return 0;
3006}
3007EOF
3008        compile_prog "" "$xen_libs"
3009      then
3010      xen_ctrl_version=40200
3011      xen=yes
3012
3013    else
3014      if test "$xen" = "yes" ; then
3015        feature_not_found "xen (unsupported version)" \
3016                          "Install a supported xen (xen 4.2 or newer)"
3017      fi
3018      xen=no
3019    fi
3020
3021    if test "$xen" = yes; then
3022      if test $xen_ctrl_version -ge 40701  ; then
3023        libs_softmmu="$xen_stable_libs $libs_softmmu"
3024      fi
3025      libs_softmmu="$xen_libs $libs_softmmu"
3026    fi
3027  fi
3028fi
3029
3030if test "$xen_pci_passthrough" != "no"; then
3031  if test "$xen" = "yes" && test "$linux" = "yes"; then
3032    xen_pci_passthrough=yes
3033  else
3034    if test "$xen_pci_passthrough" = "yes"; then
3035      error_exit "User requested feature Xen PCI Passthrough" \
3036          " but this feature requires /sys from Linux"
3037    fi
3038    xen_pci_passthrough=no
3039  fi
3040fi
3041
3042##########################################
3043# Windows Hypervisor Platform accelerator (WHPX) check
3044if test "$whpx" != "no" ; then
3045    if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
3046        whpx="yes"
3047    else
3048        if test "$whpx" = "yes"; then
3049            feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
3050        fi
3051        whpx="no"
3052    fi
3053fi
3054
3055##########################################
3056# Sparse probe
3057if test "$sparse" != "no" ; then
3058  if has sparse; then
3059    sparse=yes
3060  else
3061    if test "$sparse" = "yes" ; then
3062      feature_not_found "sparse" "Install sparse binary"
3063    fi
3064    sparse=no
3065  fi
3066fi
3067
3068##########################################
3069# X11 probe
3070if $pkg_config --exists "x11"; then
3071    have_x11=yes
3072    x11_cflags=$($pkg_config --cflags x11)
3073    x11_libs=$($pkg_config --libs x11)
3074fi
3075
3076##########################################
3077# GTK probe
3078
3079if test "$gtk" != "no"; then
3080    gtkpackage="gtk+-3.0"
3081    gtkx11package="gtk+-x11-3.0"
3082    gtkversion="3.22.0"
3083    if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
3084        gtk_cflags=$($pkg_config --cflags $gtkpackage)
3085        gtk_libs=$($pkg_config --libs $gtkpackage)
3086        gtk_version=$($pkg_config --modversion $gtkpackage)
3087        if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
3088            need_x11=yes
3089            gtk_cflags="$gtk_cflags $x11_cflags"
3090            gtk_libs="$gtk_libs $x11_libs"
3091        fi
3092        gtk="yes"
3093    elif test "$gtk" = "yes"; then
3094        feature_not_found "gtk" "Install gtk3-devel"
3095    else
3096        gtk="no"
3097    fi
3098fi
3099
3100
3101##########################################
3102# GNUTLS probe
3103
3104if test "$gnutls" != "no"; then
3105    pass="no"
3106    if $pkg_config --exists "gnutls >= 3.1.18"; then
3107        gnutls_cflags=$($pkg_config --cflags gnutls)
3108        gnutls_libs=$($pkg_config --libs gnutls)
3109        # Packaging for the static libraries is not always correct.
3110        # At least ubuntu 18.04 ships only shared libraries.
3111        write_c_skeleton
3112        if compile_prog "" "$gnutls_libs" ; then
3113            LIBS="$gnutls_libs $LIBS"
3114            QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
3115            pass="yes"
3116        fi
3117    fi
3118    if test "$pass" = "no" && test "$gnutls" = "yes"; then
3119	feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
3120    else
3121        gnutls="$pass"
3122    fi
3123fi
3124
3125
3126# If user didn't give a --disable/enable-gcrypt flag,
3127# then mark as disabled if user requested nettle
3128# explicitly
3129if test -z "$gcrypt"
3130then
3131    if test "$nettle" = "yes"
3132    then
3133        gcrypt="no"
3134    fi
3135fi
3136
3137# If user didn't give a --disable/enable-nettle flag,
3138# then mark as disabled if user requested gcrypt
3139# explicitly
3140if test -z "$nettle"
3141then
3142    if test "$gcrypt" = "yes"
3143    then
3144        nettle="no"
3145    fi
3146fi
3147
3148has_libgcrypt() {
3149    if ! has "libgcrypt-config"
3150    then
3151	return 1
3152    fi
3153
3154    if test -n "$cross_prefix"
3155    then
3156	host=$(libgcrypt-config --host)
3157	if test "$host-" != $cross_prefix
3158	then
3159	    return 1
3160	fi
3161    fi
3162
3163    maj=`libgcrypt-config --version | awk -F . '{print $1}'`
3164    min=`libgcrypt-config --version | awk -F . '{print $2}'`
3165
3166    if test $maj != 1 || test $min -lt 5
3167    then
3168       return 1
3169    fi
3170
3171    return 0
3172}
3173
3174
3175if test "$nettle" != "no"; then
3176    pass="no"
3177    if $pkg_config --exists "nettle >= 2.7.1"; then
3178        nettle_cflags=$($pkg_config --cflags nettle)
3179        nettle_libs=$($pkg_config --libs nettle)
3180        nettle_version=$($pkg_config --modversion nettle)
3181        # Link test to make sure the given libraries work (e.g for static).
3182        write_c_skeleton
3183        if compile_prog "" "$nettle_libs" ; then
3184            LIBS="$nettle_libs $LIBS"
3185            QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
3186            if test -z "$gcrypt"; then
3187               gcrypt="no"
3188            fi
3189            pass="yes"
3190        fi
3191    fi
3192    if test "$pass" = "yes"
3193    then
3194        cat > $TMPC << EOF
3195#include <nettle/xts.h>
3196int main(void) {
3197  return 0;
3198}
3199EOF
3200        if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3201            nettle_xts=yes
3202            qemu_private_xts=no
3203        fi
3204    fi
3205    if test "$pass" = "no" && test "$nettle" = "yes"; then
3206        feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3207    else
3208        nettle="$pass"
3209    fi
3210fi
3211
3212if test "$gcrypt" != "no"; then
3213    pass="no"
3214    if has_libgcrypt; then
3215        gcrypt_cflags=$(libgcrypt-config --cflags)
3216        gcrypt_libs=$(libgcrypt-config --libs)
3217        # Debian has removed -lgpg-error from libgcrypt-config
3218        # as it "spreads unnecessary dependencies" which in
3219        # turn breaks static builds...
3220        if test "$static" = "yes"
3221        then
3222            gcrypt_libs="$gcrypt_libs -lgpg-error"
3223        fi
3224
3225        # Link test to make sure the given libraries work (e.g for static).
3226        write_c_skeleton
3227        if compile_prog "" "$gcrypt_libs" ; then
3228            LIBS="$gcrypt_libs $LIBS"
3229            QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
3230            pass="yes"
3231        fi
3232    fi
3233    if test "$pass" = "yes"; then
3234        gcrypt="yes"
3235        cat > $TMPC << EOF
3236#include <gcrypt.h>
3237int main(void) {
3238  gcry_mac_hd_t handle;
3239  gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3240                GCRY_MAC_FLAG_SECURE, NULL);
3241  return 0;
3242}
3243EOF
3244        if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3245            gcrypt_hmac=yes
3246        fi
3247        cat > $TMPC << EOF
3248#include <gcrypt.h>
3249int main(void) {
3250  gcry_cipher_hd_t handle;
3251  gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3252  return 0;
3253}
3254EOF
3255        if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3256            gcrypt_xts=yes
3257            qemu_private_xts=no
3258        fi
3259    elif test "$gcrypt" = "yes"; then
3260        feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3261    else
3262        gcrypt="no"
3263    fi
3264fi
3265
3266
3267if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3268then
3269    error_exit "Only one of gcrypt & nettle can be enabled"
3270fi
3271
3272##########################################
3273# libtasn1 - only for the TLS creds/session test suite
3274
3275tasn1=yes
3276tasn1_cflags=""
3277tasn1_libs=""
3278if $pkg_config --exists "libtasn1"; then
3279    tasn1_cflags=$($pkg_config --cflags libtasn1)
3280    tasn1_libs=$($pkg_config --libs libtasn1)
3281else
3282    tasn1=no
3283fi
3284
3285
3286##########################################
3287# PAM probe
3288
3289if test "$auth_pam" != "no"; then
3290    cat > $TMPC <<EOF
3291#include <security/pam_appl.h>
3292#include <stdio.h>
3293int main(void) {
3294   const char *service_name = "qemu";
3295   const char *user = "frank";
3296   const struct pam_conv pam_conv = { 0 };
3297   pam_handle_t *pamh = NULL;
3298   pam_start(service_name, user, &pam_conv, &pamh);
3299   return 0;
3300}
3301EOF
3302    if compile_prog "" "-lpam" ; then
3303        auth_pam=yes
3304    else
3305        if test "$auth_pam" = "yes"; then
3306            feature_not_found "PAM" "Install PAM development package"
3307        else
3308            auth_pam=no
3309        fi
3310    fi
3311fi
3312
3313##########################################
3314# getifaddrs (for tests/test-io-channel-socket )
3315
3316have_ifaddrs_h=yes
3317if ! check_include "ifaddrs.h" ; then
3318  have_ifaddrs_h=no
3319fi
3320
3321#########################################
3322# libdrm check
3323have_drm_h=no
3324if check_include "libdrm/drm.h" ; then
3325    have_drm_h=yes
3326fi
3327
3328#########################################
3329# sys/signal.h check
3330have_sys_signal_h=no
3331if check_include "sys/signal.h" ; then
3332  have_sys_signal_h=yes
3333fi
3334
3335##########################################
3336# VTE probe
3337
3338if test "$vte" != "no"; then
3339    vteminversion="0.32.0"
3340    if $pkg_config --exists "vte-2.91"; then
3341      vtepackage="vte-2.91"
3342    else
3343      vtepackage="vte-2.90"
3344    fi
3345    if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3346        vte_cflags=$($pkg_config --cflags $vtepackage)
3347        vte_libs=$($pkg_config --libs $vtepackage)
3348        vteversion=$($pkg_config --modversion $vtepackage)
3349        vte="yes"
3350    elif test "$vte" = "yes"; then
3351        feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3352    else
3353        vte="no"
3354    fi
3355fi
3356
3357##########################################
3358# SDL probe
3359
3360# Look for sdl configuration program (pkg-config or sdl2-config).  Try
3361# sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3362
3363sdl_probe ()
3364{
3365  if $pkg_config sdl2 --exists; then
3366    sdlconfig="$pkg_config sdl2"
3367    sdlversion=$($sdlconfig --modversion 2>/dev/null)
3368  elif has "$sdl2_config"; then
3369    sdlconfig="$sdl2_config"
3370    sdlversion=$($sdlconfig --version)
3371  else
3372    if test "$sdl" = "yes" ; then
3373      feature_not_found "sdl" "Install SDL2-devel"
3374    fi
3375    sdl=no
3376    # no need to do the rest
3377    return
3378  fi
3379  if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3380    echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3381  fi
3382
3383  cat > $TMPC << EOF
3384#include <SDL.h>
3385#undef main /* We don't want SDL to override our main() */
3386int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3387EOF
3388  sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3389  sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3390  if test "$static" = "yes" ; then
3391    if $pkg_config sdl2 --exists; then
3392      sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3393    else
3394      sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3395    fi
3396  else
3397    sdl_libs=$($sdlconfig --libs 2>/dev/null)
3398  fi
3399  if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3400    sdl=yes
3401
3402    # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3403    if test "$sdl" = "yes" && test "$static" = "yes" ; then
3404      if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3405         sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3406         sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3407      fi
3408      if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3409	:
3410      else
3411        sdl=no
3412      fi
3413    fi # static link
3414  else # sdl not found
3415    if test "$sdl" = "yes" ; then
3416      feature_not_found "sdl" "Install SDL2 devel"
3417    fi
3418    sdl=no
3419  fi # sdl compile test
3420}
3421
3422sdl_image_probe ()
3423{
3424    if test "$sdl_image" != "no" ; then
3425        if $pkg_config SDL2_image --exists; then
3426            if test "$static" = "yes"; then
3427                sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3428            else
3429                sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3430            fi
3431            sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3432            sdl_image=yes
3433
3434            sdl_cflags="$sdl_cflags $sdl_image_cflags"
3435            sdl_libs="$sdl_libs $sdl_image_libs"
3436        else
3437            if test "$sdl_image" = "yes" ; then
3438                feature_not_found "sdl_image" "Install SDL Image devel"
3439            else
3440                sdl_image=no
3441            fi
3442        fi
3443    fi
3444}
3445
3446if test "$sdl" != "no" ; then
3447  sdl_probe
3448fi
3449
3450if test "$sdl" = "yes" ; then
3451  sdl_image_probe
3452else
3453  if test "$sdl_image" = "yes"; then
3454    echo "warning: SDL Image requested, but SDL is not available, disabling"
3455  fi
3456  sdl_image=no
3457fi
3458
3459if test "$sdl" = "yes" ; then
3460  cat > $TMPC <<EOF
3461#include <SDL.h>
3462#if defined(SDL_VIDEO_DRIVER_X11)
3463#include <X11/XKBlib.h>
3464#else
3465#error No x11 support
3466#endif
3467int main(void) { return 0; }
3468EOF
3469  if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3470    need_x11=yes
3471    sdl_cflags="$sdl_cflags $x11_cflags"
3472    sdl_libs="$sdl_libs $x11_libs"
3473  fi
3474fi
3475
3476##########################################
3477# RDMA needs OpenFabrics libraries
3478if test "$rdma" != "no" ; then
3479  cat > $TMPC <<EOF
3480#include <rdma/rdma_cma.h>
3481int main(void) { return 0; }
3482EOF
3483  rdma_libs="-lrdmacm -libverbs -libumad"
3484  if compile_prog "" "$rdma_libs" ; then
3485    rdma="yes"
3486    libs_softmmu="$libs_softmmu $rdma_libs"
3487  else
3488    if test "$rdma" = "yes" ; then
3489        error_exit \
3490            " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3491            " Your options:" \
3492            "  (1) Fast: Install infiniband packages (devel) from your distro." \
3493            "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3494            "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3495    fi
3496    rdma="no"
3497  fi
3498fi
3499
3500##########################################
3501# PVRDMA detection
3502
3503cat > $TMPC <<EOF &&
3504#include <sys/mman.h>
3505
3506int
3507main(void)
3508{
3509    char buf = 0;
3510    void *addr = &buf;
3511    addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3512
3513    return 0;
3514}
3515EOF
3516
3517if test "$rdma" = "yes" ; then
3518    case "$pvrdma" in
3519    "")
3520        if compile_prog "" ""; then
3521            pvrdma="yes"
3522        else
3523            pvrdma="no"
3524        fi
3525        ;;
3526    "yes")
3527        if ! compile_prog "" ""; then
3528            error_exit "PVRDMA is not supported since mremap is not implemented"
3529        fi
3530        pvrdma="yes"
3531        ;;
3532    "no")
3533        pvrdma="no"
3534        ;;
3535    esac
3536else
3537    if test "$pvrdma" = "yes" ; then
3538        error_exit "PVRDMA requires rdma suppport"
3539    fi
3540    pvrdma="no"
3541fi
3542
3543# Let's see if enhanced reg_mr is supported
3544if test "$pvrdma" = "yes" ; then
3545
3546cat > $TMPC <<EOF &&
3547#include <infiniband/verbs.h>
3548
3549int
3550main(void)
3551{
3552    struct ibv_mr *mr;
3553    struct ibv_pd *pd = NULL;
3554    size_t length = 10;
3555    uint64_t iova = 0;
3556    int access = 0;
3557    void *addr = NULL;
3558
3559    mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3560
3561    ibv_dereg_mr(mr);
3562
3563    return 0;
3564}
3565EOF
3566    if ! compile_prog "" "-libverbs"; then
3567        QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3568    fi
3569fi
3570
3571##########################################
3572# VNC SASL detection
3573if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3574  cat > $TMPC <<EOF
3575#include <sasl/sasl.h>
3576#include <stdio.h>
3577int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3578EOF
3579  # Assuming Cyrus-SASL installed in /usr prefix
3580  # QEMU defines struct iovec in "qemu/osdep.h",
3581  # we don't want libsasl to redefine it in <sasl/sasl.h>.
3582  vnc_sasl_cflags="-DSTRUCT_IOVEC_DEFINED"
3583  vnc_sasl_libs="-lsasl2"
3584  if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3585    vnc_sasl=yes
3586    libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3587    QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3588  else
3589    if test "$vnc_sasl" = "yes" ; then
3590      feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3591    fi
3592    vnc_sasl=no
3593  fi
3594fi
3595
3596##########################################
3597# VNC JPEG detection
3598if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3599cat > $TMPC <<EOF
3600#include <stdio.h>
3601#include <jpeglib.h>
3602int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3603EOF
3604    vnc_jpeg_cflags=""
3605    vnc_jpeg_libs="-ljpeg"
3606  if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3607    vnc_jpeg=yes
3608    libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3609    QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3610  else
3611    if test "$vnc_jpeg" = "yes" ; then
3612      feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3613    fi
3614    vnc_jpeg=no
3615  fi
3616fi
3617
3618##########################################
3619# VNC PNG detection
3620if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3621cat > $TMPC <<EOF
3622//#include <stdio.h>
3623#include <png.h>
3624#include <stddef.h>
3625int main(void) {
3626    png_structp png_ptr;
3627    png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3628    return png_ptr != 0;
3629}
3630EOF
3631  if $pkg_config libpng --exists; then
3632    vnc_png_cflags=$($pkg_config libpng --cflags)
3633    vnc_png_libs=$($pkg_config libpng --libs)
3634  else
3635    vnc_png_cflags=""
3636    vnc_png_libs="-lpng"
3637  fi
3638  if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3639    vnc_png=yes
3640    libs_softmmu="$vnc_png_libs $libs_softmmu"
3641    QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3642  else
3643    if test "$vnc_png" = "yes" ; then
3644      feature_not_found "vnc-png" "Install libpng devel"
3645    fi
3646    vnc_png=no
3647  fi
3648fi
3649
3650##########################################
3651# xkbcommon probe
3652if test "$xkbcommon" != "no" ; then
3653  if $pkg_config xkbcommon --exists; then
3654    xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3655    xkbcommon_libs=$($pkg_config xkbcommon --libs)
3656    xkbcommon=yes
3657  else
3658    if test "$xkbcommon" = "yes" ; then
3659      feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3660    fi
3661    xkbcommon=no
3662  fi
3663fi
3664
3665
3666##########################################
3667# xfsctl() probe, used for file-posix.c
3668if test "$xfs" != "no" ; then
3669  cat > $TMPC << EOF
3670#include <stddef.h>  /* NULL */
3671#include <xfs/xfs.h>
3672int main(void)
3673{
3674    xfsctl(NULL, 0, 0, NULL);
3675    return 0;
3676}
3677EOF
3678  if compile_prog "" "" ; then
3679    xfs="yes"
3680  else
3681    if test "$xfs" = "yes" ; then
3682      feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3683    fi
3684    xfs=no
3685  fi
3686fi
3687
3688##########################################
3689# vde libraries probe
3690if test "$vde" != "no" ; then
3691  vde_libs="-lvdeplug"
3692  cat > $TMPC << EOF
3693#include <libvdeplug.h>
3694int main(void)
3695{
3696    struct vde_open_args a = {0, 0, 0};
3697    char s[] = "";
3698    vde_open(s, s, &a);
3699    return 0;
3700}
3701EOF
3702  if compile_prog "" "$vde_libs" ; then
3703    vde=yes
3704  else
3705    if test "$vde" = "yes" ; then
3706      feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3707    fi
3708    vde=no
3709  fi
3710fi
3711
3712##########################################
3713# netmap support probe
3714# Apart from looking for netmap headers, we make sure that the host API version
3715# supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3716# a minor/major version number. Minor new features will be marked with values up
3717# to 15, and if something happens that requires a change to the backend we will
3718# move above 15, submit the backend fixes and modify this two bounds.
3719if test "$netmap" != "no" ; then
3720  cat > $TMPC << EOF
3721#include <inttypes.h>
3722#include <net/if.h>
3723#include <net/netmap.h>
3724#include <net/netmap_user.h>
3725#if (NETMAP_API < 11) || (NETMAP_API > 15)
3726#error
3727#endif
3728int main(void) { return 0; }
3729EOF
3730  if compile_prog "" "" ; then
3731    netmap=yes
3732  else
3733    if test "$netmap" = "yes" ; then
3734      feature_not_found "netmap"
3735    fi
3736    netmap=no
3737  fi
3738fi
3739
3740##########################################
3741# libcap-ng library probe
3742if test "$cap_ng" != "no" ; then
3743  cap_libs="-lcap-ng"
3744  cat > $TMPC << EOF
3745#include <cap-ng.h>
3746int main(void)
3747{
3748    capng_capability_to_name(CAPNG_EFFECTIVE);
3749    return 0;
3750}
3751EOF
3752  if compile_prog "" "$cap_libs" ; then
3753    cap_ng=yes
3754    libs_tools="$cap_libs $libs_tools"
3755  else
3756    if test "$cap_ng" = "yes" ; then
3757      feature_not_found "cap_ng" "Install libcap-ng devel"
3758    fi
3759    cap_ng=no
3760  fi
3761fi
3762
3763##########################################
3764# Sound support libraries probe
3765
3766audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3767for drv in $audio_drv_list; do
3768    case $drv in
3769    alsa | try-alsa)
3770    if $pkg_config alsa --exists; then
3771        alsa_libs=$($pkg_config alsa --libs)
3772        if test "$drv" = "try-alsa"; then
3773            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3774        fi
3775    else
3776        if test "$drv" = "try-alsa"; then
3777            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3778        else
3779            error_exit "$drv check failed" \
3780                "Make sure to have the $drv libs and headers installed."
3781        fi
3782    fi
3783    ;;
3784
3785    pa | try-pa)
3786    if $pkg_config libpulse --exists; then
3787        pulse_libs=$($pkg_config libpulse --libs)
3788        if test "$drv" = "try-pa"; then
3789            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3790        fi
3791    else
3792        if test "$drv" = "try-pa"; then
3793            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3794        else
3795            error_exit "$drv check failed" \
3796                "Make sure to have the $drv libs and headers installed."
3797        fi
3798    fi
3799    ;;
3800
3801    sdl)
3802    if test "$sdl" = "no"; then
3803        error_exit "sdl not found or disabled, can not use sdl audio driver"
3804    fi
3805    ;;
3806
3807    try-sdl)
3808    if test "$sdl" = "no"; then
3809        audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3810    else
3811        audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3812    fi
3813    ;;
3814
3815    coreaudio)
3816      coreaudio_libs="-framework CoreAudio"
3817    ;;
3818
3819    dsound)
3820      dsound_libs="-lole32 -ldxguid"
3821      audio_win_int="yes"
3822    ;;
3823
3824    oss)
3825      oss_libs="$oss_lib"
3826    ;;
3827
3828    jack | try-jack)
3829    if $pkg_config jack --exists; then
3830        jack_libs=$($pkg_config jack --libs)
3831        if test "$drv" = "try-jack"; then
3832            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3833        fi
3834    else
3835        if test "$drv" = "try-jack"; then
3836            audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3837        else
3838            error_exit "$drv check failed" \
3839                "Make sure to have the $drv libs and headers installed."
3840        fi
3841    fi
3842    ;;
3843
3844    *)
3845    echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3846        error_exit "Unknown driver '$drv' selected" \
3847            "Possible drivers are: $audio_possible_drivers"
3848    }
3849    ;;
3850    esac
3851done
3852
3853##########################################
3854# BrlAPI probe
3855
3856if test "$brlapi" != "no" ; then
3857  brlapi_libs="-lbrlapi"
3858  cat > $TMPC << EOF
3859#include <brlapi.h>
3860#include <stddef.h>
3861int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3862EOF
3863  if compile_prog "" "$brlapi_libs" ; then
3864    brlapi=yes
3865  else
3866    if test "$brlapi" = "yes" ; then
3867      feature_not_found "brlapi" "Install brlapi devel"
3868    fi
3869    brlapi=no
3870  fi
3871fi
3872
3873##########################################
3874# iconv probe
3875if test "$iconv" != "no" ; then
3876  cat > $TMPC << EOF
3877#include <iconv.h>
3878int main(void) {
3879  iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3880  return conv != (iconv_t) -1;
3881}
3882EOF
3883  iconv_prefix_list="/usr/local:/usr"
3884  iconv_lib_list=":-liconv"
3885  IFS=:
3886  for iconv_prefix in $iconv_prefix_list; do
3887    IFS=:
3888    iconv_cflags="-I$iconv_prefix/include"
3889    iconv_ldflags="-L$iconv_prefix/lib"
3890    for iconv_link in $iconv_lib_list; do
3891      unset IFS
3892      iconv_lib="$iconv_ldflags $iconv_link"
3893      echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3894      if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3895        iconv_found=yes
3896        break
3897      fi
3898    done
3899    if test "$iconv_found" = yes ; then
3900      break
3901    fi
3902  done
3903  if test "$iconv_found" = "yes" ; then
3904    iconv=yes
3905  else
3906    if test "$iconv" = "yes" ; then
3907      feature_not_found "iconv" "Install iconv devel"
3908    fi
3909    iconv=no
3910  fi
3911fi
3912
3913##########################################
3914# curses probe
3915if test "$iconv" = "no" ; then
3916  # curses will need iconv
3917  curses=no
3918fi
3919if test "$curses" != "no" ; then
3920  if test "$mingw32" = "yes" ; then
3921    curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3922    curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3923  else
3924    curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3925    curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3926  fi
3927  curses_found=no
3928  cat > $TMPC << EOF
3929#include <locale.h>
3930#include <curses.h>
3931#include <wchar.h>
3932#include <langinfo.h>
3933int main(void) {
3934  const char *codeset;
3935  wchar_t wch = L'w';
3936  setlocale(LC_ALL, "");
3937  resize_term(0, 0);
3938  addwstr(L"wide chars\n");
3939  addnwstr(&wch, 1);
3940  add_wch(WACS_DEGREE);
3941  codeset = nl_langinfo(CODESET);
3942  return codeset != 0;
3943}
3944EOF
3945  IFS=:
3946  for curses_inc in $curses_inc_list; do
3947    # Make sure we get the wide character prototypes
3948    curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3949    IFS=:
3950    for curses_lib in $curses_lib_list; do
3951      unset IFS
3952      if compile_prog "$curses_inc" "$curses_lib" ; then
3953        curses_found=yes
3954        break
3955      fi
3956    done
3957    if test "$curses_found" = yes ; then
3958      break
3959    fi
3960  done
3961  unset IFS
3962  if test "$curses_found" = "yes" ; then
3963    curses=yes
3964  else
3965    if test "$curses" = "yes" ; then
3966      feature_not_found "curses" "Install ncurses devel"
3967    fi
3968    curses=no
3969  fi
3970fi
3971
3972##########################################
3973# curl probe
3974if test "$curl" != "no" ; then
3975  if $pkg_config libcurl --exists; then
3976    curlconfig="$pkg_config libcurl"
3977  else
3978    curlconfig=curl-config
3979  fi
3980  cat > $TMPC << EOF
3981#include <curl/curl.h>
3982int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3983EOF
3984  curl_cflags=$($curlconfig --cflags 2>/dev/null)
3985  curl_libs=$($curlconfig --libs 2>/dev/null)
3986  if compile_prog "$curl_cflags" "$curl_libs" ; then
3987    curl=yes
3988  else
3989    if test "$curl" = "yes" ; then
3990      feature_not_found "curl" "Install libcurl devel"
3991    fi
3992    curl=no
3993  fi
3994fi # test "$curl"
3995
3996##########################################
3997# glib support probe
3998
3999glib_req_ver=2.48
4000glib_modules=gthread-2.0
4001if test "$modules" = yes; then
4002    glib_modules="$glib_modules gmodule-export-2.0"
4003fi
4004if test "$plugins" = yes; then
4005    glib_modules="$glib_modules gmodule-2.0"
4006fi
4007
4008# This workaround is required due to a bug in pkg-config file for glib as it
4009# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
4010
4011if test "$static" = yes && test "$mingw32" = yes; then
4012    QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
4013fi
4014
4015for i in $glib_modules; do
4016    if $pkg_config --atleast-version=$glib_req_ver $i; then
4017        glib_cflags=$($pkg_config --cflags $i)
4018        glib_libs=$($pkg_config --libs $i)
4019        QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
4020        LIBS="$glib_libs $LIBS"
4021    else
4022        error_exit "glib-$glib_req_ver $i is required to compile QEMU"
4023    fi
4024done
4025
4026if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
4027    gio=yes
4028    gio_cflags=$($pkg_config --cflags gio-2.0)
4029    gio_libs=$($pkg_config --libs gio-2.0)
4030    gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
4031    if [ ! -x "$gdbus_codegen" ]; then
4032        gdbus_codegen=
4033    fi
4034else
4035    gio=no
4036fi
4037
4038if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
4039    gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
4040    gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
4041fi
4042
4043# Sanity check that the current size_t matches the
4044# size that glib thinks it should be. This catches
4045# problems on multi-arch where people try to build
4046# 32-bit QEMU while pointing at 64-bit glib headers
4047cat > $TMPC <<EOF
4048#include <glib.h>
4049#include <unistd.h>
4050
4051#define QEMU_BUILD_BUG_ON(x) \
4052  typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
4053
4054int main(void) {
4055   QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
4056   return 0;
4057}
4058EOF
4059
4060if ! compile_prog "$CFLAGS" "$LIBS" ; then
4061    error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
4062               "You probably need to set PKG_CONFIG_LIBDIR"\
4063	       "to point to the right pkg-config files for your"\
4064	       "build target"
4065fi
4066
4067# Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
4068cat > $TMPC << EOF
4069#include <glib.h>
4070int main(void) { return 0; }
4071EOF
4072if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
4073    if cc_has_warning_flag "-Wno-unknown-attributes"; then
4074        glib_cflags="-Wno-unknown-attributes $glib_cflags"
4075        QEMU_CFLAGS="-Wno-unknown-attributes $CFLAGS"
4076    fi
4077fi
4078
4079# Silence clang warnings triggered by glib < 2.57.2
4080cat > $TMPC << EOF
4081#include <glib.h>
4082typedef struct Foo {
4083    int i;
4084} Foo;
4085static void foo_free(Foo *f)
4086{
4087    g_free(f);
4088}
4089G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
4090int main(void) { return 0; }
4091EOF
4092if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
4093    if cc_has_warning_flag "-Wno-unused-function"; then
4094        glib_cflags="$glib_cflags -Wno-unused-function"
4095        CFLAGS="$CFLAGS -Wno-unused-function"
4096    fi
4097fi
4098
4099#########################################
4100# zlib check
4101
4102if test "$zlib" != "no" ; then
4103    if $pkg_config --exists zlib; then
4104        zlib_cflags=$($pkg_config --cflags zlib)
4105        zlib_libs=$($pkg_config --libs zlib)
4106        QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
4107        LIBS="$zlib_libs $LIBS"
4108    else
4109        cat > $TMPC << EOF
4110#include <zlib.h>
4111int main(void) { zlibVersion(); return 0; }
4112EOF
4113        if compile_prog "" "-lz" ; then
4114            LIBS="$LIBS -lz"
4115        else
4116            error_exit "zlib check failed" \
4117                "Make sure to have the zlib libs and headers installed."
4118        fi
4119    fi
4120fi
4121
4122##########################################
4123# SHA command probe for modules
4124if test "$modules" = yes; then
4125    shacmd_probe="sha1sum sha1 shasum"
4126    for c in $shacmd_probe; do
4127        if has $c; then
4128            shacmd="$c"
4129            break
4130        fi
4131    done
4132    if test "$shacmd" = ""; then
4133        error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
4134    fi
4135fi
4136
4137##########################################
4138# pixman support probe
4139
4140if test "$softmmu" = "no"; then
4141  pixman_cflags=
4142  pixman_libs=
4143elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
4144  pixman_cflags=$($pkg_config --cflags pixman-1)
4145  pixman_libs=$($pkg_config --libs pixman-1)
4146else
4147  error_exit "pixman >= 0.21.8 not present." \
4148      "Please install the pixman devel package."
4149fi
4150
4151##########################################
4152# libmpathpersist probe
4153
4154if test "$mpath" != "no" ; then
4155  # probe for the new API
4156  cat > $TMPC <<EOF
4157#include <libudev.h>
4158#include <mpath_persist.h>
4159unsigned mpath_mx_alloc_len = 1024;
4160int logsink;
4161static struct config *multipath_conf;
4162extern struct udev *udev;
4163extern struct config *get_multipath_config(void);
4164extern void put_multipath_config(struct config *conf);
4165struct udev *udev;
4166struct config *get_multipath_config(void) { return multipath_conf; }
4167void put_multipath_config(struct config *conf) { }
4168
4169int main(void) {
4170    udev = udev_new();
4171    multipath_conf = mpath_lib_init();
4172    return 0;
4173}
4174EOF
4175  if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4176    mpathpersist=yes
4177    mpathpersist_new_api=yes
4178  else
4179    # probe for the old API
4180    cat > $TMPC <<EOF
4181#include <libudev.h>
4182#include <mpath_persist.h>
4183unsigned mpath_mx_alloc_len = 1024;
4184int logsink;
4185int main(void) {
4186    struct udev *udev = udev_new();
4187    mpath_lib_init(udev);
4188    return 0;
4189}
4190EOF
4191    if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4192      mpathpersist=yes
4193      mpathpersist_new_api=no
4194    else
4195      mpathpersist=no
4196    fi
4197  fi
4198else
4199  mpathpersist=no
4200fi
4201
4202##########################################
4203# pthread probe
4204PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
4205
4206pthread=no
4207cat > $TMPC << EOF
4208#include <pthread.h>
4209static void *f(void *p) { return NULL; }
4210int main(void) {
4211  pthread_t thread;
4212  pthread_create(&thread, 0, f, 0);
4213  return 0;
4214}
4215EOF
4216if compile_prog "" "" ; then
4217  pthread=yes
4218else
4219  for pthread_lib in $PTHREADLIBS_LIST; do
4220    if compile_prog "" "$pthread_lib" ; then
4221      pthread=yes
4222      found=no
4223      for lib_entry in $LIBS; do
4224        if test "$lib_entry" = "$pthread_lib"; then
4225          found=yes
4226          break
4227        fi
4228      done
4229      if test "$found" = "no"; then
4230        LIBS="$pthread_lib $LIBS"
4231      fi
4232      PTHREAD_LIB="$pthread_lib"
4233      break
4234    fi
4235  done
4236fi
4237
4238if test "$mingw32" != yes && test "$pthread" = no; then
4239  error_exit "pthread check failed" \
4240      "Make sure to have the pthread libs and headers installed."
4241fi
4242
4243# check for pthread_setname_np with thread id
4244pthread_setname_np_w_tid=no
4245cat > $TMPC << EOF
4246#include <pthread.h>
4247
4248static void *f(void *p) { return NULL; }
4249int main(void)
4250{
4251    pthread_t thread;
4252    pthread_create(&thread, 0, f, 0);
4253    pthread_setname_np(thread, "QEMU");
4254    return 0;
4255}
4256EOF
4257if compile_prog "" "$pthread_lib" ; then
4258  pthread_setname_np_w_tid=yes
4259fi
4260
4261# check for pthread_setname_np without thread id
4262pthread_setname_np_wo_tid=no
4263cat > $TMPC << EOF
4264#include <pthread.h>
4265
4266static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
4267int main(void)
4268{
4269    pthread_t thread;
4270    pthread_create(&thread, 0, f, 0);
4271    return 0;
4272}
4273EOF
4274if compile_prog "" "$pthread_lib" ; then
4275  pthread_setname_np_wo_tid=yes
4276fi
4277
4278##########################################
4279# rbd probe
4280if test "$rbd" != "no" ; then
4281  cat > $TMPC <<EOF
4282#include <stdio.h>
4283#include <rbd/librbd.h>
4284int main(void) {
4285    rados_t cluster;
4286    rados_create(&cluster, NULL);
4287    return 0;
4288}
4289EOF
4290  rbd_libs="-lrbd -lrados"
4291  if compile_prog "" "$rbd_libs" ; then
4292    rbd=yes
4293  else
4294    if test "$rbd" = "yes" ; then
4295      feature_not_found "rados block device" "Install librbd/ceph devel"
4296    fi
4297    rbd=no
4298  fi
4299fi
4300
4301##########################################
4302# libssh probe
4303if test "$libssh" != "no" ; then
4304  if $pkg_config --exists libssh; then
4305    libssh_cflags=$($pkg_config libssh --cflags)
4306    libssh_libs=$($pkg_config libssh --libs)
4307    libssh=yes
4308  else
4309    if test "$libssh" = "yes" ; then
4310      error_exit "libssh required for --enable-libssh"
4311    fi
4312    libssh=no
4313  fi
4314fi
4315
4316##########################################
4317# Check for libssh 0.8
4318# This is done like this instead of using the LIBSSH_VERSION_* and
4319# SSH_VERSION_* macros because some distributions in the past shipped
4320# snapshots of the future 0.8 from Git, and those snapshots did not
4321# have updated version numbers (still referring to 0.7.0).
4322
4323if test "$libssh" = "yes"; then
4324  cat > $TMPC <<EOF
4325#include <libssh/libssh.h>
4326int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4327EOF
4328  if compile_prog "$libssh_cflags" "$libssh_libs"; then
4329    libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4330  fi
4331fi
4332
4333##########################################
4334# linux-aio probe
4335
4336if test "$linux_aio" != "no" ; then
4337  cat > $TMPC <<EOF
4338#include <libaio.h>
4339#include <sys/eventfd.h>
4340#include <stddef.h>
4341int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4342EOF
4343  if compile_prog "" "-laio" ; then
4344    linux_aio=yes
4345  else
4346    if test "$linux_aio" = "yes" ; then
4347      feature_not_found "linux AIO" "Install libaio devel"
4348    fi
4349    linux_aio=no
4350  fi
4351fi
4352##########################################
4353# linux-io-uring probe
4354
4355if test "$linux_io_uring" != "no" ; then
4356  if $pkg_config liburing; then
4357    linux_io_uring_cflags=$($pkg_config --cflags liburing)
4358    linux_io_uring_libs=$($pkg_config --libs liburing)
4359    linux_io_uring=yes
4360
4361    # io_uring is used in libqemuutil.a where per-file -libs variables are not
4362    # seen by programs linking the archive.  It's not ideal, but just add the
4363    # library dependency globally.
4364    LIBS="$linux_io_uring_libs $LIBS"
4365  else
4366    if test "$linux_io_uring" = "yes" ; then
4367      feature_not_found "linux io_uring" "Install liburing devel"
4368    fi
4369    linux_io_uring=no
4370  fi
4371fi
4372
4373##########################################
4374# TPM emulation is only on POSIX
4375
4376if test "$tpm" = ""; then
4377  if test "$mingw32" = "yes"; then
4378    tpm=no
4379  else
4380    tpm=yes
4381  fi
4382elif test "$tpm" = "yes"; then
4383  if test "$mingw32" = "yes" ; then
4384    error_exit "TPM emulation only available on POSIX systems"
4385  fi
4386fi
4387
4388##########################################
4389# attr probe
4390
4391libattr_libs=
4392if test "$attr" != "no" ; then
4393  cat > $TMPC <<EOF
4394#include <stdio.h>
4395#include <sys/types.h>
4396#ifdef CONFIG_LIBATTR
4397#include <attr/xattr.h>
4398#else
4399#include <sys/xattr.h>
4400#endif
4401int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4402EOF
4403  if compile_prog "" "" ; then
4404    attr=yes
4405  # Older distros have <attr/xattr.h>, and need -lattr:
4406  elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4407    attr=yes
4408    libattr_libs="-lattr"
4409    LIBS="$libattr_libs $LIBS"
4410    libattr=yes
4411  else
4412    if test "$attr" = "yes" ; then
4413      feature_not_found "ATTR" "Install libc6 or libattr devel"
4414    fi
4415    attr=no
4416  fi
4417fi
4418
4419##########################################
4420# iovec probe
4421cat > $TMPC <<EOF
4422#include <sys/types.h>
4423#include <sys/uio.h>
4424#include <unistd.h>
4425int main(void) { return sizeof(struct iovec); }
4426EOF
4427iovec=no
4428if compile_prog "" "" ; then
4429  iovec=yes
4430fi
4431
4432##########################################
4433# preadv probe
4434cat > $TMPC <<EOF
4435#include <sys/types.h>
4436#include <sys/uio.h>
4437#include <unistd.h>
4438int main(void) { return preadv(0, 0, 0, 0); }
4439EOF
4440preadv=no
4441if compile_prog "" "" ; then
4442  preadv=yes
4443fi
4444
4445##########################################
4446# fdt probe
4447# fdt support is mandatory for at least some target architectures,
4448# so insist on it if we're building those system emulators.
4449fdt_required=no
4450for target in $target_list; do
4451  case $target in
4452    aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4453      fdt_required=yes
4454    ;;
4455  esac
4456done
4457
4458if test "$fdt_required" = "yes"; then
4459  if test "$fdt" = "no"; then
4460    error_exit "fdt disabled but some requested targets require it." \
4461      "You can turn off fdt only if you also disable all the system emulation" \
4462      "targets which need it (by specifying a cut down --target-list)."
4463  fi
4464  fdt=yes
4465elif test "$fdt" != "yes" ; then
4466  fdt=no
4467fi
4468
4469# fdt is only required when building softmmu targets
4470if test -z "$fdt" -a "$softmmu" != "yes" ; then
4471    fdt="no"
4472fi
4473
4474if test "$fdt" != "no" ; then
4475  fdt_libs="-lfdt"
4476  # explicitly check for libfdt_env.h as it is missing in some stable installs
4477  # and test for required functions to make sure we are on a version >= 1.4.2
4478  cat > $TMPC << EOF
4479#include <libfdt.h>
4480#include <libfdt_env.h>
4481int main(void) { fdt_check_full(NULL, 0); return 0; }
4482EOF
4483  if compile_prog "" "$fdt_libs" ; then
4484    # system DTC is good - use it
4485    fdt=system
4486  else
4487      # have GIT checkout, so activate dtc submodule
4488      if test -e "${source_path}/.git" ; then
4489          git_submodules="${git_submodules} dtc"
4490      fi
4491      if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4492          fdt=git
4493          mkdir -p dtc
4494          if [ "$pwd_is_source_path" != "y" ] ; then
4495              symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4496          fi
4497          fdt_cflags="-I${source_path}/dtc/libfdt"
4498          fdt_ldflags="-L$PWD/dtc/libfdt"
4499          fdt_libs="$fdt_libs"
4500      elif test "$fdt" = "yes" ; then
4501          # Not a git build & no libfdt found, prompt for system install
4502          error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4503                     "Please install the DTC (libfdt) devel package"
4504      else
4505          # don't have and don't want
4506          fdt_libs=
4507          fdt=no
4508      fi
4509  fi
4510fi
4511
4512libs_softmmu="$libs_softmmu $fdt_libs"
4513
4514##########################################
4515# opengl probe (for sdl2, gtk, milkymist-tmu2)
4516
4517gbm="no"
4518if $pkg_config gbm; then
4519    gbm_cflags="$($pkg_config --cflags gbm)"
4520    gbm_libs="$($pkg_config --libs gbm)"
4521    gbm="yes"
4522fi
4523
4524if test "$opengl" != "no" ; then
4525  opengl_pkgs="epoxy gbm"
4526  if $pkg_config $opengl_pkgs; then
4527    opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4528    opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4529    opengl=yes
4530    if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4531        gtk_gl="yes"
4532    fi
4533    QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4534  else
4535    if test "$opengl" = "yes" ; then
4536      feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4537    fi
4538    opengl_cflags=""
4539    opengl_libs=""
4540    opengl=no
4541  fi
4542fi
4543
4544if test "$opengl" = "yes"; then
4545  cat > $TMPC << EOF
4546#include <epoxy/egl.h>
4547#ifndef EGL_MESA_image_dma_buf_export
4548# error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4549#endif
4550int main(void) { return 0; }
4551EOF
4552  if compile_prog "" "" ; then
4553    opengl_dmabuf=yes
4554  fi
4555fi
4556
4557if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4558  for target in $target_list; do
4559    case $target in
4560      lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4561        need_x11=yes
4562      ;;
4563    esac
4564  done
4565fi
4566
4567##########################################
4568# libxml2 probe
4569if test "$libxml2" != "no" ; then
4570    if $pkg_config --exists libxml-2.0; then
4571        libxml2="yes"
4572        libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4573        libxml2_libs=$($pkg_config --libs libxml-2.0)
4574    else
4575        if test "$libxml2" = "yes"; then
4576            feature_not_found "libxml2" "Install libxml2 devel"
4577        fi
4578        libxml2="no"
4579    fi
4580fi
4581
4582##########################################
4583# glusterfs probe
4584if test "$glusterfs" != "no" ; then
4585  if $pkg_config --atleast-version=3 glusterfs-api; then
4586    glusterfs="yes"
4587    glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4588    glusterfs_libs=$($pkg_config --libs glusterfs-api)
4589    if $pkg_config --atleast-version=4 glusterfs-api; then
4590      glusterfs_xlator_opt="yes"
4591    fi
4592    if $pkg_config --atleast-version=5 glusterfs-api; then
4593      glusterfs_discard="yes"
4594    fi
4595    if $pkg_config --atleast-version=6 glusterfs-api; then
4596      glusterfs_fallocate="yes"
4597      glusterfs_zerofill="yes"
4598    fi
4599    cat > $TMPC << EOF
4600#include <glusterfs/api/glfs.h>
4601
4602int
4603main(void)
4604{
4605	/* new glfs_ftruncate() passes two additional args */
4606	return glfs_ftruncate(NULL, 0, NULL, NULL);
4607}
4608EOF
4609    if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4610      glusterfs_ftruncate_has_stat="yes"
4611    fi
4612    cat > $TMPC << EOF
4613#include <glusterfs/api/glfs.h>
4614
4615/* new glfs_io_cbk() passes two additional glfs_stat structs */
4616static void
4617glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4618{}
4619
4620int
4621main(void)
4622{
4623	glfs_io_cbk iocb = &glusterfs_iocb;
4624	iocb(NULL, 0 , NULL, NULL, NULL);
4625	return 0;
4626}
4627EOF
4628    if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4629      glusterfs_iocb_has_stat="yes"
4630    fi
4631  else
4632    if test "$glusterfs" = "yes" ; then
4633      feature_not_found "GlusterFS backend support" \
4634          "Install glusterfs-api devel >= 3"
4635    fi
4636    glusterfs="no"
4637  fi
4638fi
4639
4640# Check for inotify functions when we are building linux-user
4641# emulator.  This is done because older glibc versions don't
4642# have syscall stubs for these implemented.  In that case we
4643# don't provide them even if kernel supports them.
4644#
4645inotify=no
4646cat > $TMPC << EOF
4647#include <sys/inotify.h>
4648
4649int
4650main(void)
4651{
4652	/* try to start inotify */
4653	return inotify_init();
4654}
4655EOF
4656if compile_prog "" "" ; then
4657  inotify=yes
4658fi
4659
4660inotify1=no
4661cat > $TMPC << EOF
4662#include <sys/inotify.h>
4663
4664int
4665main(void)
4666{
4667    /* try to start inotify */
4668    return inotify_init1(0);
4669}
4670EOF
4671if compile_prog "" "" ; then
4672  inotify1=yes
4673fi
4674
4675# check if pipe2 is there
4676pipe2=no
4677cat > $TMPC << EOF
4678#include <unistd.h>
4679#include <fcntl.h>
4680
4681int main(void)
4682{
4683    int pipefd[2];
4684    return pipe2(pipefd, O_CLOEXEC);
4685}
4686EOF
4687if compile_prog "" "" ; then
4688  pipe2=yes
4689fi
4690
4691# check if accept4 is there
4692accept4=no
4693cat > $TMPC << EOF
4694#include <sys/socket.h>
4695#include <stddef.h>
4696
4697int main(void)
4698{
4699    accept4(0, NULL, NULL, SOCK_CLOEXEC);
4700    return 0;
4701}
4702EOF
4703if compile_prog "" "" ; then
4704  accept4=yes
4705fi
4706
4707# check if tee/splice is there. vmsplice was added same time.
4708splice=no
4709cat > $TMPC << EOF
4710#include <unistd.h>
4711#include <fcntl.h>
4712#include <limits.h>
4713
4714int main(void)
4715{
4716    int len, fd = 0;
4717    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4718    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4719    return 0;
4720}
4721EOF
4722if compile_prog "" "" ; then
4723  splice=yes
4724fi
4725
4726##########################################
4727# libnuma probe
4728
4729if test "$numa" != "no" ; then
4730  cat > $TMPC << EOF
4731#include <numa.h>
4732int main(void) { return numa_available(); }
4733EOF
4734
4735  if compile_prog "" "-lnuma" ; then
4736    numa=yes
4737    libs_softmmu="-lnuma $libs_softmmu"
4738  else
4739    if test "$numa" = "yes" ; then
4740      feature_not_found "numa" "install numactl devel"
4741    fi
4742    numa=no
4743  fi
4744fi
4745
4746if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4747    echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4748    exit 1
4749fi
4750
4751# Even if malloc_trim() is available, these non-libc memory allocators
4752# do not support it.
4753if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4754    if test "$malloc_trim" = "yes" ; then
4755        echo "Disabling malloc_trim with non-libc memory allocator"
4756    fi
4757    malloc_trim="no"
4758fi
4759
4760#######################################
4761# malloc_trim
4762
4763if test "$malloc_trim" != "no" ; then
4764    cat > $TMPC << EOF
4765#include <malloc.h>
4766int main(void) { malloc_trim(0); return 0; }
4767EOF
4768    if compile_prog "" "" ; then
4769        malloc_trim="yes"
4770    else
4771        malloc_trim="no"
4772    fi
4773fi
4774
4775##########################################
4776# tcmalloc probe
4777
4778if test "$tcmalloc" = "yes" ; then
4779  cat > $TMPC << EOF
4780#include <stdlib.h>
4781int main(void) {
4782    void *tmp = malloc(1);
4783    if (tmp != NULL) {
4784        return 0;
4785    }
4786    return 1;
4787}
4788EOF
4789
4790  if compile_prog "" "-ltcmalloc" ; then
4791    LIBS="-ltcmalloc $LIBS"
4792  else
4793    feature_not_found "tcmalloc" "install gperftools devel"
4794  fi
4795fi
4796
4797##########################################
4798# jemalloc probe
4799
4800if test "$jemalloc" = "yes" ; then
4801  cat > $TMPC << EOF
4802#include <stdlib.h>
4803int main(void) {
4804    void *tmp = malloc(1);
4805    if (tmp != NULL) {
4806        return 0;
4807    }
4808    return 1;
4809}
4810EOF
4811
4812  if compile_prog "" "-ljemalloc" ; then
4813    LIBS="-ljemalloc $LIBS"
4814  else
4815    feature_not_found "jemalloc" "install jemalloc devel"
4816  fi
4817fi
4818
4819##########################################
4820# signalfd probe
4821signalfd="no"
4822cat > $TMPC << EOF
4823#include <unistd.h>
4824#include <sys/syscall.h>
4825#include <signal.h>
4826int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4827EOF
4828
4829if compile_prog "" "" ; then
4830  signalfd=yes
4831fi
4832
4833# check if optreset global is declared by <getopt.h>
4834optreset="no"
4835cat > $TMPC << EOF
4836#include <getopt.h>
4837int main(void) { return optreset; }
4838EOF
4839
4840if compile_prog "" "" ; then
4841  optreset=yes
4842fi
4843
4844# check if eventfd is supported
4845eventfd=no
4846cat > $TMPC << EOF
4847#include <sys/eventfd.h>
4848
4849int main(void)
4850{
4851    return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4852}
4853EOF
4854if compile_prog "" "" ; then
4855  eventfd=yes
4856fi
4857
4858# check if memfd is supported
4859memfd=no
4860cat > $TMPC << EOF
4861#include <sys/mman.h>
4862
4863int main(void)
4864{
4865    return memfd_create("foo", MFD_ALLOW_SEALING);
4866}
4867EOF
4868if compile_prog "" "" ; then
4869  memfd=yes
4870fi
4871
4872# check for usbfs
4873have_usbfs=no
4874if test "$linux_user" = "yes"; then
4875  cat > $TMPC << EOF
4876#include <linux/usbdevice_fs.h>
4877
4878#ifndef USBDEVFS_GET_CAPABILITIES
4879#error "USBDEVFS_GET_CAPABILITIES undefined"
4880#endif
4881
4882#ifndef USBDEVFS_DISCONNECT_CLAIM
4883#error "USBDEVFS_DISCONNECT_CLAIM undefined"
4884#endif
4885
4886int main(void)
4887{
4888    return 0;
4889}
4890EOF
4891  if compile_prog "" ""; then
4892    have_usbfs=yes
4893  fi
4894fi
4895
4896# check for fallocate
4897fallocate=no
4898cat > $TMPC << EOF
4899#include <fcntl.h>
4900
4901int main(void)
4902{
4903    fallocate(0, 0, 0, 0);
4904    return 0;
4905}
4906EOF
4907if compile_prog "" "" ; then
4908  fallocate=yes
4909fi
4910
4911# check for fallocate hole punching
4912fallocate_punch_hole=no
4913cat > $TMPC << EOF
4914#include <fcntl.h>
4915#include <linux/falloc.h>
4916
4917int main(void)
4918{
4919    fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4920    return 0;
4921}
4922EOF
4923if compile_prog "" "" ; then
4924  fallocate_punch_hole=yes
4925fi
4926
4927# check that fallocate supports range zeroing inside the file
4928fallocate_zero_range=no
4929cat > $TMPC << EOF
4930#include <fcntl.h>
4931#include <linux/falloc.h>
4932
4933int main(void)
4934{
4935    fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4936    return 0;
4937}
4938EOF
4939if compile_prog "" "" ; then
4940  fallocate_zero_range=yes
4941fi
4942
4943# check for posix_fallocate
4944posix_fallocate=no
4945cat > $TMPC << EOF
4946#include <fcntl.h>
4947
4948int main(void)
4949{
4950    posix_fallocate(0, 0, 0);
4951    return 0;
4952}
4953EOF
4954if compile_prog "" "" ; then
4955    posix_fallocate=yes
4956fi
4957
4958# check for sync_file_range
4959sync_file_range=no
4960cat > $TMPC << EOF
4961#include <fcntl.h>
4962
4963int main(void)
4964{
4965    sync_file_range(0, 0, 0, 0);
4966    return 0;
4967}
4968EOF
4969if compile_prog "" "" ; then
4970  sync_file_range=yes
4971fi
4972
4973# check for linux/fiemap.h and FS_IOC_FIEMAP
4974fiemap=no
4975cat > $TMPC << EOF
4976#include <sys/ioctl.h>
4977#include <linux/fs.h>
4978#include <linux/fiemap.h>
4979
4980int main(void)
4981{
4982    ioctl(0, FS_IOC_FIEMAP, 0);
4983    return 0;
4984}
4985EOF
4986if compile_prog "" "" ; then
4987  fiemap=yes
4988fi
4989
4990# check for dup3
4991dup3=no
4992cat > $TMPC << EOF
4993#include <unistd.h>
4994
4995int main(void)
4996{
4997    dup3(0, 0, 0);
4998    return 0;
4999}
5000EOF
5001if compile_prog "" "" ; then
5002  dup3=yes
5003fi
5004
5005# check for ppoll support
5006ppoll=no
5007cat > $TMPC << EOF
5008#include <poll.h>
5009
5010int main(void)
5011{
5012    struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
5013    ppoll(&pfd, 1, 0, 0);
5014    return 0;
5015}
5016EOF
5017if compile_prog "" "" ; then
5018  ppoll=yes
5019fi
5020
5021# check for prctl(PR_SET_TIMERSLACK , ... ) support
5022prctl_pr_set_timerslack=no
5023cat > $TMPC << EOF
5024#include <sys/prctl.h>
5025
5026int main(void)
5027{
5028    prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
5029    return 0;
5030}
5031EOF
5032if compile_prog "" "" ; then
5033  prctl_pr_set_timerslack=yes
5034fi
5035
5036# check for epoll support
5037epoll=no
5038cat > $TMPC << EOF
5039#include <sys/epoll.h>
5040
5041int main(void)
5042{
5043    epoll_create(0);
5044    return 0;
5045}
5046EOF
5047if compile_prog "" "" ; then
5048  epoll=yes
5049fi
5050
5051# epoll_create1 is a later addition
5052# so we must check separately for its presence
5053epoll_create1=no
5054cat > $TMPC << EOF
5055#include <sys/epoll.h>
5056
5057int main(void)
5058{
5059    /* Note that we use epoll_create1 as a value, not as
5060     * a function being called. This is necessary so that on
5061     * old SPARC glibc versions where the function was present in
5062     * the library but not declared in the header file we will
5063     * fail the configure check. (Otherwise we will get a compiler
5064     * warning but not an error, and will proceed to fail the
5065     * qemu compile where we compile with -Werror.)
5066     */
5067    return (int)(uintptr_t)&epoll_create1;
5068}
5069EOF
5070if compile_prog "" "" ; then
5071  epoll_create1=yes
5072fi
5073
5074# check for sendfile support
5075sendfile=no
5076cat > $TMPC << EOF
5077#include <sys/sendfile.h>
5078
5079int main(void)
5080{
5081    return sendfile(0, 0, 0, 0);
5082}
5083EOF
5084if compile_prog "" "" ; then
5085  sendfile=yes
5086fi
5087
5088# check for timerfd support (glibc 2.8 and newer)
5089timerfd=no
5090cat > $TMPC << EOF
5091#include <sys/timerfd.h>
5092
5093int main(void)
5094{
5095    return(timerfd_create(CLOCK_REALTIME, 0));
5096}
5097EOF
5098if compile_prog "" "" ; then
5099  timerfd=yes
5100fi
5101
5102# check for setns and unshare support
5103setns=no
5104cat > $TMPC << EOF
5105#include <sched.h>
5106
5107int main(void)
5108{
5109    int ret;
5110    ret = setns(0, 0);
5111    ret = unshare(0);
5112    return ret;
5113}
5114EOF
5115if compile_prog "" "" ; then
5116  setns=yes
5117fi
5118
5119# clock_adjtime probe
5120clock_adjtime=no
5121cat > $TMPC <<EOF
5122#include <time.h>
5123
5124int main(void)
5125{
5126    return clock_adjtime(0, 0);
5127}
5128EOF
5129clock_adjtime=no
5130if compile_prog "" "" ; then
5131  clock_adjtime=yes
5132fi
5133
5134# syncfs probe
5135syncfs=no
5136cat > $TMPC <<EOF
5137#include <unistd.h>
5138
5139int main(void)
5140{
5141    return syncfs(0);
5142}
5143EOF
5144syncfs=no
5145if compile_prog "" "" ; then
5146  syncfs=yes
5147fi
5148
5149# check for kcov support (kernel must be 4.4+, compiled with certain options)
5150kcov=no
5151if check_include sys/kcov.h ; then
5152    kcov=yes
5153fi
5154
5155# If we're making warnings fatal, apply this to Sphinx runs as well
5156sphinx_werror=""
5157if test "$werror" = "yes"; then
5158    sphinx_werror="-W"
5159fi
5160
5161# Check we have a new enough version of sphinx-build
5162has_sphinx_build() {
5163    # This is a bit awkward but works: create a trivial document and
5164    # try to run it with our configuration file (which enforces a
5165    # version requirement). This will fail if either
5166    # sphinx-build doesn't exist at all or if it is too old.
5167    mkdir -p "$TMPDIR1/sphinx"
5168    touch "$TMPDIR1/sphinx/index.rst"
5169    "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
5170                    -b html "$TMPDIR1/sphinx" \
5171                    "$TMPDIR1/sphinx/out"  >> config.log 2>&1
5172}
5173
5174# Check if tools are available to build documentation.
5175if test "$docs" != "no" ; then
5176  if has_sphinx_build; then
5177    sphinx_ok=yes
5178  else
5179    sphinx_ok=no
5180  fi
5181  if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
5182    docs=yes
5183  else
5184    if test "$docs" = "yes" ; then
5185      if has $sphinx_build && test "$sphinx_ok" != "yes"; then
5186        echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
5187      fi
5188      feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
5189    fi
5190    docs=no
5191  fi
5192fi
5193
5194# Search for bswap_32 function
5195byteswap_h=no
5196cat > $TMPC << EOF
5197#include <byteswap.h>
5198int main(void) { return bswap_32(0); }
5199EOF
5200if compile_prog "" "" ; then
5201  byteswap_h=yes
5202fi
5203
5204# Search for bswap32 function
5205bswap_h=no
5206cat > $TMPC << EOF
5207#include <sys/endian.h>
5208#include <sys/types.h>
5209#include <machine/bswap.h>
5210int main(void) { return bswap32(0); }
5211EOF
5212if compile_prog "" "" ; then
5213  bswap_h=yes
5214fi
5215
5216##########################################
5217# Do we have libiscsi >= 1.9.0
5218if test "$libiscsi" != "no" ; then
5219  if $pkg_config --atleast-version=1.9.0 libiscsi; then
5220    libiscsi="yes"
5221    libiscsi_cflags=$($pkg_config --cflags libiscsi)
5222    libiscsi_libs=$($pkg_config --libs libiscsi)
5223  else
5224    if test "$libiscsi" = "yes" ; then
5225      feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
5226    fi
5227    libiscsi="no"
5228  fi
5229fi
5230
5231##########################################
5232# Do we need libm
5233cat > $TMPC << EOF
5234#include <math.h>
5235int main(int argc, char **argv) { return isnan(sin((double)argc)); }
5236EOF
5237if compile_prog "" "" ; then
5238  :
5239elif compile_prog "" "-lm" ; then
5240  LIBS="-lm $LIBS"
5241else
5242  error_exit "libm check failed"
5243fi
5244
5245##########################################
5246# Do we need librt
5247# uClibc provides 2 versions of clock_gettime(), one with realtime
5248# support and one without. This means that the clock_gettime() don't
5249# need -lrt. We still need it for timer_create() so we check for this
5250# function in addition.
5251cat > $TMPC <<EOF
5252#include <signal.h>
5253#include <time.h>
5254int main(void) {
5255  timer_create(CLOCK_REALTIME, NULL, NULL);
5256  return clock_gettime(CLOCK_REALTIME, NULL);
5257}
5258EOF
5259
5260if compile_prog "" "" ; then
5261  :
5262# we need pthread for static linking. use previous pthread test result
5263elif compile_prog "" "$pthread_lib -lrt" ; then
5264  LIBS="$LIBS -lrt"
5265fi
5266
5267# Check whether we need to link libutil for openpty()
5268cat > $TMPC << EOF
5269extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
5270int main(void) { return openpty(0, 0, 0, 0, 0); }
5271EOF
5272
5273have_openpty="no"
5274if compile_prog "" "" ; then
5275  have_openpty="yes"
5276else
5277  if compile_prog "" "-lutil" ; then
5278    libs_softmmu="-lutil $libs_softmmu"
5279    libs_tools="-lutil $libs_tools"
5280    have_openpty="yes"
5281  fi
5282fi
5283
5284##########################################
5285# spice probe
5286if test "$spice" != "no" ; then
5287  cat > $TMPC << EOF
5288#include <spice.h>
5289int main(void) { spice_server_new(); return 0; }
5290EOF
5291  spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
5292  spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
5293  if $pkg_config --atleast-version=0.12.5 spice-server && \
5294     $pkg_config --atleast-version=0.12.3 spice-protocol && \
5295     compile_prog "$spice_cflags" "$spice_libs" ; then
5296    spice="yes"
5297    libs_softmmu="$libs_softmmu $spice_libs"
5298    QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
5299  else
5300    if test "$spice" = "yes" ; then
5301      feature_not_found "spice" \
5302          "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
5303    fi
5304    spice="no"
5305  fi
5306fi
5307
5308# check for smartcard support
5309if test "$smartcard" != "no"; then
5310    if $pkg_config --atleast-version=2.5.1 libcacard; then
5311        libcacard_cflags=$($pkg_config --cflags libcacard)
5312        libcacard_libs=$($pkg_config --libs libcacard)
5313        smartcard="yes"
5314    else
5315        if test "$smartcard" = "yes"; then
5316            feature_not_found "smartcard" "Install libcacard devel"
5317        fi
5318        smartcard="no"
5319    fi
5320fi
5321
5322# check for libusb
5323if test "$libusb" != "no" ; then
5324    if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
5325        libusb="yes"
5326        libusb_cflags=$($pkg_config --cflags libusb-1.0)
5327        libusb_libs=$($pkg_config --libs libusb-1.0)
5328    else
5329        if test "$libusb" = "yes"; then
5330            feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5331        fi
5332        libusb="no"
5333    fi
5334fi
5335
5336# check for usbredirparser for usb network redirection support
5337if test "$usb_redir" != "no" ; then
5338    if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5339        usb_redir="yes"
5340        usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5341        usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5342    else
5343        if test "$usb_redir" = "yes"; then
5344            feature_not_found "usb-redir" "Install usbredir devel"
5345        fi
5346        usb_redir="no"
5347    fi
5348fi
5349
5350##########################################
5351# check if we have VSS SDK headers for win
5352
5353if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5354        test "$vss_win32_sdk" != "no" ; then
5355  case "$vss_win32_sdk" in
5356    "")   vss_win32_include="-isystem $source_path" ;;
5357    *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5358          # handle path with spaces. So we symlink the headers into ".sdk/vss".
5359          vss_win32_include="-isystem $source_path/.sdk/vss"
5360	  symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5361	  ;;
5362    *)    vss_win32_include="-isystem $vss_win32_sdk"
5363  esac
5364  cat > $TMPC << EOF
5365#define __MIDL_user_allocate_free_DEFINED__
5366#include <inc/win2003/vss.h>
5367int main(void) { return VSS_CTX_BACKUP; }
5368EOF
5369  if compile_prog "$vss_win32_include" "" ; then
5370    guest_agent_with_vss="yes"
5371    QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5372    libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5373    qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5374  else
5375    if test "$vss_win32_sdk" != "" ; then
5376      echo "ERROR: Please download and install Microsoft VSS SDK:"
5377      echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5378      echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5379      echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5380      echo "ERROR: The headers are extracted in the directory \`inc'."
5381      feature_not_found "VSS support"
5382    fi
5383    guest_agent_with_vss="no"
5384  fi
5385fi
5386
5387##########################################
5388# lookup Windows platform SDK (if not specified)
5389# The SDK is needed only to build .tlb (type library) file of guest agent
5390# VSS provider from the source. It is usually unnecessary because the
5391# pre-compiled .tlb file is included.
5392
5393if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5394        test "$guest_agent_with_vss" = "yes" ; then
5395  if test -z "$win_sdk"; then
5396    programfiles="$PROGRAMFILES"
5397    test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5398    if test -n "$programfiles"; then
5399      win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5400    else
5401      feature_not_found "Windows SDK"
5402    fi
5403  elif test "$win_sdk" = "no"; then
5404    win_sdk=""
5405  fi
5406fi
5407
5408##########################################
5409# check if mingw environment provides a recent ntddscsi.h
5410if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5411  cat > $TMPC << EOF
5412#include <windows.h>
5413#include <ntddscsi.h>
5414int main(void) {
5415#if !defined(IOCTL_SCSI_GET_ADDRESS)
5416#error Missing required ioctl definitions
5417#endif
5418  SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5419  return addr.Lun;
5420}
5421EOF
5422  if compile_prog "" "" ; then
5423    guest_agent_ntddscsi=yes
5424    libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5425  fi
5426fi
5427
5428##########################################
5429# virgl renderer probe
5430
5431if test "$virglrenderer" != "no" ; then
5432  cat > $TMPC << EOF
5433#include <virglrenderer.h>
5434int main(void) { virgl_renderer_poll(); return 0; }
5435EOF
5436  virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5437  virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5438  virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5439  if $pkg_config virglrenderer >/dev/null 2>&1 && \
5440     compile_prog "$virgl_cflags" "$virgl_libs" ; then
5441    virglrenderer="yes"
5442  else
5443    if test "$virglrenderer" = "yes" ; then
5444      feature_not_found "virglrenderer"
5445    fi
5446    virglrenderer="no"
5447  fi
5448fi
5449
5450##########################################
5451# capstone
5452
5453case "$capstone" in
5454  "" | yes)
5455    if $pkg_config capstone; then
5456      capstone=system
5457    elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5458      capstone=git
5459    elif test -e "${source_path}/capstone/Makefile" ; then
5460      capstone=internal
5461    elif test -z "$capstone" ; then
5462      capstone=no
5463    else
5464      feature_not_found "capstone" "Install capstone devel or git submodule"
5465    fi
5466    ;;
5467
5468  system)
5469    if ! $pkg_config capstone; then
5470      feature_not_found "capstone" "Install capstone devel"
5471    fi
5472    ;;
5473esac
5474
5475case "$capstone" in
5476  git | internal)
5477    if test "$capstone" = git; then
5478      git_submodules="${git_submodules} capstone"
5479    fi
5480    mkdir -p capstone
5481    QEMU_CFLAGS="$QEMU_CFLAGS -I${source_path}/capstone/include"
5482    if test "$mingw32" = "yes"; then
5483      LIBCAPSTONE=capstone.lib
5484    else
5485      LIBCAPSTONE=libcapstone.a
5486    fi
5487    libs_cpu="-L$PWD/capstone -lcapstone $libs_cpu"
5488    ;;
5489
5490  system)
5491    QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5492    libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5493    ;;
5494
5495  no)
5496    ;;
5497  *)
5498    error_exit "Unknown state for capstone: $capstone"
5499    ;;
5500esac
5501
5502##########################################
5503# check if we have fdatasync
5504
5505fdatasync=no
5506cat > $TMPC << EOF
5507#include <unistd.h>
5508int main(void) {
5509#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5510return fdatasync(0);
5511#else
5512#error Not supported
5513#endif
5514}
5515EOF
5516if compile_prog "" "" ; then
5517    fdatasync=yes
5518fi
5519
5520##########################################
5521# check if we have madvise
5522
5523madvise=no
5524cat > $TMPC << EOF
5525#include <sys/types.h>
5526#include <sys/mman.h>
5527#include <stddef.h>
5528int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5529EOF
5530if compile_prog "" "" ; then
5531    madvise=yes
5532fi
5533
5534##########################################
5535# check if we have posix_madvise
5536
5537posix_madvise=no
5538cat > $TMPC << EOF
5539#include <sys/mman.h>
5540#include <stddef.h>
5541int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5542EOF
5543if compile_prog "" "" ; then
5544    posix_madvise=yes
5545fi
5546
5547##########################################
5548# check if we have posix_memalign()
5549
5550posix_memalign=no
5551cat > $TMPC << EOF
5552#include <stdlib.h>
5553int main(void) {
5554    void *p;
5555    return posix_memalign(&p, 8, 8);
5556}
5557EOF
5558if compile_prog "" "" ; then
5559    posix_memalign=yes
5560fi
5561
5562##########################################
5563# check if we have posix_syslog
5564
5565posix_syslog=no
5566cat > $TMPC << EOF
5567#include <syslog.h>
5568int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5569EOF
5570if compile_prog "" "" ; then
5571    posix_syslog=yes
5572fi
5573
5574##########################################
5575# check if we have sem_timedwait
5576
5577sem_timedwait=no
5578cat > $TMPC << EOF
5579#include <semaphore.h>
5580int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5581EOF
5582if compile_prog "" "" ; then
5583    sem_timedwait=yes
5584fi
5585
5586##########################################
5587# check if we have strchrnul
5588
5589strchrnul=no
5590cat > $TMPC << EOF
5591#include <string.h>
5592int main(void);
5593// Use a haystack that the compiler shouldn't be able to constant fold
5594char *haystack = (char*)&main;
5595int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5596EOF
5597if compile_prog "" "" ; then
5598    strchrnul=yes
5599fi
5600
5601#########################################
5602# check if we have st_atim
5603
5604st_atim=no
5605cat > $TMPC << EOF
5606#include <sys/stat.h>
5607#include <stddef.h>
5608int main(void) { return offsetof(struct stat, st_atim); }
5609EOF
5610if compile_prog "" "" ; then
5611    st_atim=yes
5612fi
5613
5614##########################################
5615# check if trace backend exists
5616
5617$python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5618if test "$?" -ne 0 ; then
5619  error_exit "invalid trace backends" \
5620      "Please choose supported trace backends."
5621fi
5622
5623##########################################
5624# For 'ust' backend, test if ust headers are present
5625if have_backend "ust"; then
5626  cat > $TMPC << EOF
5627#include <lttng/tracepoint.h>
5628int main(void) { return 0; }
5629EOF
5630  if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5631    if $pkg_config lttng-ust --exists; then
5632      lttng_ust_libs=$($pkg_config --libs lttng-ust)
5633    else
5634      lttng_ust_libs="-llttng-ust -ldl"
5635    fi
5636    if $pkg_config liburcu-bp --exists; then
5637      urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5638    else
5639      urcu_bp_libs="-lurcu-bp"
5640    fi
5641
5642    LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5643  else
5644    error_exit "Trace backend 'ust' missing lttng-ust header files"
5645  fi
5646fi
5647
5648##########################################
5649# For 'dtrace' backend, test if 'dtrace' command is present
5650if have_backend "dtrace"; then
5651  if ! has 'dtrace' ; then
5652    error_exit "dtrace command is not found in PATH $PATH"
5653  fi
5654  trace_backend_stap="no"
5655  if has 'stap' ; then
5656    trace_backend_stap="yes"
5657  fi
5658fi
5659
5660##########################################
5661# check and set a backend for coroutine
5662
5663# We prefer ucontext, but it's not always possible. The fallback
5664# is sigcontext. On Windows the only valid backend is the Windows
5665# specific one.
5666
5667ucontext_works=no
5668if test "$darwin" != "yes"; then
5669  cat > $TMPC << EOF
5670#include <ucontext.h>
5671#ifdef __stub_makecontext
5672#error Ignoring glibc stub makecontext which will always fail
5673#endif
5674int main(void) { makecontext(0, 0, 0); return 0; }
5675EOF
5676  if compile_prog "" "" ; then
5677    ucontext_works=yes
5678  fi
5679fi
5680
5681if test "$coroutine" = ""; then
5682  if test "$mingw32" = "yes"; then
5683    coroutine=win32
5684  elif test "$ucontext_works" = "yes"; then
5685    coroutine=ucontext
5686  else
5687    coroutine=sigaltstack
5688  fi
5689else
5690  case $coroutine in
5691  windows)
5692    if test "$mingw32" != "yes"; then
5693      error_exit "'windows' coroutine backend only valid for Windows"
5694    fi
5695    # Unfortunately the user visible backend name doesn't match the
5696    # coroutine-*.c filename for this case, so we have to adjust it here.
5697    coroutine=win32
5698    ;;
5699  ucontext)
5700    if test "$ucontext_works" != "yes"; then
5701      feature_not_found "ucontext"
5702    fi
5703    ;;
5704  sigaltstack)
5705    if test "$mingw32" = "yes"; then
5706      error_exit "only the 'windows' coroutine backend is valid for Windows"
5707    fi
5708    ;;
5709  *)
5710    error_exit "unknown coroutine backend $coroutine"
5711    ;;
5712  esac
5713fi
5714
5715if test "$coroutine_pool" = ""; then
5716  coroutine_pool=yes
5717fi
5718
5719if test "$debug_stack_usage" = "yes"; then
5720  if test "$coroutine_pool" = "yes"; then
5721    echo "WARN: disabling coroutine pool for stack usage debugging"
5722    coroutine_pool=no
5723  fi
5724fi
5725
5726##################################################
5727# SafeStack
5728
5729
5730if test "$safe_stack" = "yes"; then
5731cat > $TMPC << EOF
5732int main(int argc, char *argv[])
5733{
5734#if ! __has_feature(safe_stack)
5735#error SafeStack Disabled
5736#endif
5737    return 0;
5738}
5739EOF
5740  flag="-fsanitize=safe-stack"
5741  # Check that safe-stack is supported and enabled.
5742  if compile_prog "-Werror $flag" "$flag"; then
5743    # Flag needed both at compilation and at linking
5744    QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5745    QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5746  else
5747    error_exit "SafeStack not supported by your compiler"
5748  fi
5749  if test "$coroutine" != "ucontext"; then
5750    error_exit "SafeStack is only supported by the coroutine backend ucontext"
5751  fi
5752else
5753cat > $TMPC << EOF
5754int main(int argc, char *argv[])
5755{
5756#if defined(__has_feature)
5757#if __has_feature(safe_stack)
5758#error SafeStack Enabled
5759#endif
5760#endif
5761    return 0;
5762}
5763EOF
5764if test "$safe_stack" = "no"; then
5765  # Make sure that safe-stack is disabled
5766  if ! compile_prog "-Werror" ""; then
5767    # SafeStack was already enabled, try to explicitly remove the feature
5768    flag="-fno-sanitize=safe-stack"
5769    if ! compile_prog "-Werror $flag" "$flag"; then
5770      error_exit "Configure cannot disable SafeStack"
5771    fi
5772    QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5773    QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5774  fi
5775else # "$safe_stack" = ""
5776  # Set safe_stack to yes or no based on pre-existing flags
5777  if compile_prog "-Werror" ""; then
5778    safe_stack="no"
5779  else
5780    safe_stack="yes"
5781    if test "$coroutine" != "ucontext"; then
5782      error_exit "SafeStack is only supported by the coroutine backend ucontext"
5783    fi
5784  fi
5785fi
5786fi
5787
5788##########################################
5789# check if we have open_by_handle_at
5790
5791open_by_handle_at=no
5792cat > $TMPC << EOF
5793#include <fcntl.h>
5794#if !defined(AT_EMPTY_PATH)
5795# error missing definition
5796#else
5797int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5798#endif
5799EOF
5800if compile_prog "" "" ; then
5801    open_by_handle_at=yes
5802fi
5803
5804########################################
5805# check if we have linux/magic.h
5806
5807linux_magic_h=no
5808cat > $TMPC << EOF
5809#include <linux/magic.h>
5810int main(void) {
5811  return 0;
5812}
5813EOF
5814if compile_prog "" "" ; then
5815    linux_magic_h=yes
5816fi
5817
5818########################################
5819# check if we have valgrind/valgrind.h
5820
5821valgrind_h=no
5822cat > $TMPC << EOF
5823#include <valgrind/valgrind.h>
5824int main(void) {
5825  return 0;
5826}
5827EOF
5828if compile_prog "" "" ; then
5829    valgrind_h=yes
5830fi
5831
5832########################################
5833# check if environ is declared
5834
5835has_environ=no
5836cat > $TMPC << EOF
5837#include <unistd.h>
5838int main(void) {
5839    environ = 0;
5840    return 0;
5841}
5842EOF
5843if compile_prog "" "" ; then
5844    has_environ=yes
5845fi
5846
5847########################################
5848# check if cpuid.h is usable.
5849
5850cat > $TMPC << EOF
5851#include <cpuid.h>
5852int main(void) {
5853    unsigned a, b, c, d;
5854    int max = __get_cpuid_max(0, 0);
5855
5856    if (max >= 1) {
5857        __cpuid(1, a, b, c, d);
5858    }
5859
5860    if (max >= 7) {
5861        __cpuid_count(7, 0, a, b, c, d);
5862    }
5863
5864    return 0;
5865}
5866EOF
5867if compile_prog "" "" ; then
5868    cpuid_h=yes
5869fi
5870
5871##########################################
5872# avx2 optimization requirement check
5873#
5874# There is no point enabling this if cpuid.h is not usable,
5875# since we won't be able to select the new routines.
5876
5877if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5878  cat > $TMPC << EOF
5879#pragma GCC push_options
5880#pragma GCC target("avx2")
5881#include <cpuid.h>
5882#include <immintrin.h>
5883static int bar(void *a) {
5884    __m256i x = *(__m256i *)a;
5885    return _mm256_testz_si256(x, x);
5886}
5887int main(int argc, char *argv[]) { return bar(argv[0]); }
5888EOF
5889  if compile_object "" ; then
5890    avx2_opt="yes"
5891  else
5892    avx2_opt="no"
5893  fi
5894fi
5895
5896##########################################
5897# avx512f optimization requirement check
5898#
5899# There is no point enabling this if cpuid.h is not usable,
5900# since we won't be able to select the new routines.
5901# by default, it is turned off.
5902# if user explicitly want to enable it, check environment
5903
5904if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5905  cat > $TMPC << EOF
5906#pragma GCC push_options
5907#pragma GCC target("avx512f")
5908#include <cpuid.h>
5909#include <immintrin.h>
5910static int bar(void *a) {
5911    __m512i x = *(__m512i *)a;
5912    return _mm512_test_epi64_mask(x, x);
5913}
5914int main(int argc, char *argv[])
5915{
5916	return bar(argv[0]);
5917}
5918EOF
5919  if ! compile_object "" ; then
5920    avx512f_opt="no"
5921  fi
5922else
5923  avx512f_opt="no"
5924fi
5925
5926########################################
5927# check if __[u]int128_t is usable.
5928
5929int128=no
5930cat > $TMPC << EOF
5931__int128_t a;
5932__uint128_t b;
5933int main (void) {
5934  a = a + b;
5935  b = a * b;
5936  a = a * a;
5937  return 0;
5938}
5939EOF
5940if compile_prog "" "" ; then
5941    int128=yes
5942fi
5943
5944#########################################
5945# See if 128-bit atomic operations are supported.
5946
5947atomic128=no
5948if test "$int128" = "yes"; then
5949  cat > $TMPC << EOF
5950int main(void)
5951{
5952  unsigned __int128 x = 0, y = 0;
5953  y = __atomic_load_16(&x, 0);
5954  __atomic_store_16(&x, y, 0);
5955  __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5956  return 0;
5957}
5958EOF
5959  if compile_prog "" "" ; then
5960    atomic128=yes
5961  fi
5962fi
5963
5964cmpxchg128=no
5965if test "$int128" = yes && test "$atomic128" = no; then
5966  cat > $TMPC << EOF
5967int main(void)
5968{
5969  unsigned __int128 x = 0, y = 0;
5970  __sync_val_compare_and_swap_16(&x, y, x);
5971  return 0;
5972}
5973EOF
5974  if compile_prog "" "" ; then
5975    cmpxchg128=yes
5976  fi
5977fi
5978
5979#########################################
5980# See if 64-bit atomic operations are supported.
5981# Note that without __atomic builtins, we can only
5982# assume atomic loads/stores max at pointer size.
5983
5984cat > $TMPC << EOF
5985#include <stdint.h>
5986int main(void)
5987{
5988  uint64_t x = 0, y = 0;
5989#ifdef __ATOMIC_RELAXED
5990  y = __atomic_load_8(&x, 0);
5991  __atomic_store_8(&x, y, 0);
5992  __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5993  __atomic_exchange_8(&x, y, 0);
5994  __atomic_fetch_add_8(&x, y, 0);
5995#else
5996  typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5997  __sync_lock_test_and_set(&x, y);
5998  __sync_val_compare_and_swap(&x, y, 0);
5999  __sync_fetch_and_add(&x, y);
6000#endif
6001  return 0;
6002}
6003EOF
6004if compile_prog "" "" ; then
6005  atomic64=yes
6006fi
6007
6008#########################################
6009# See if --dynamic-list is supported by the linker
6010ld_dynamic_list="no"
6011if test "$static" = "no" ; then
6012    cat > $TMPTXT <<EOF
6013{
6014  foo;
6015};
6016EOF
6017
6018    cat > $TMPC <<EOF
6019#include <stdio.h>
6020void foo(void);
6021
6022void foo(void)
6023{
6024  printf("foo\n");
6025}
6026
6027int main(void)
6028{
6029  foo();
6030  return 0;
6031}
6032EOF
6033
6034    if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
6035        ld_dynamic_list="yes"
6036    fi
6037fi
6038
6039#########################################
6040# See if -exported_symbols_list is supported by the linker
6041
6042ld_exported_symbols_list="no"
6043if test "$static" = "no" ; then
6044    cat > $TMPTXT <<EOF
6045  _foo
6046EOF
6047
6048    if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
6049        ld_exported_symbols_list="yes"
6050    fi
6051fi
6052
6053if  test "$plugins" = "yes" &&
6054    test "$ld_dynamic_list" = "no" &&
6055    test "$ld_exported_symbols_list" = "no" ; then
6056  error_exit \
6057      "Plugin support requires dynamic linking and specifying a set of symbols " \
6058      "that are exported to plugins. Unfortunately your linker doesn't " \
6059      "support the flag (--dynamic-list or -exported_symbols_list) used " \
6060      "for this purpose. You can't build with --static."
6061fi
6062
6063########################################
6064# See if __attribute__((alias)) is supported.
6065# This false for Xcode 9, but has been remedied for Xcode 10.
6066# Unfortunately, travis uses Xcode 9 by default.
6067
6068attralias=no
6069cat > $TMPC << EOF
6070int x = 1;
6071extern const int y __attribute__((alias("x")));
6072int main(void) { return 0; }
6073EOF
6074if compile_prog "" "" ; then
6075    attralias=yes
6076fi
6077
6078########################################
6079# check if getauxval is available.
6080
6081getauxval=no
6082cat > $TMPC << EOF
6083#include <sys/auxv.h>
6084int main(void) {
6085  return getauxval(AT_HWCAP) == 0;
6086}
6087EOF
6088if compile_prog "" "" ; then
6089    getauxval=yes
6090fi
6091
6092########################################
6093# check if ccache is interfering with
6094# semantic analysis of macros
6095
6096unset CCACHE_CPP2
6097ccache_cpp2=no
6098cat > $TMPC << EOF
6099static const int Z = 1;
6100#define fn() ({ Z; })
6101#define TAUT(X) ((X) == Z)
6102#define PAREN(X, Y) (X == Y)
6103#define ID(X) (X)
6104int main(int argc, char *argv[])
6105{
6106    int x = 0, y = 0;
6107    x = ID(x);
6108    x = fn();
6109    fn();
6110    if (PAREN(x, y)) return 0;
6111    if (TAUT(Z)) return 0;
6112    return 0;
6113}
6114EOF
6115
6116if ! compile_object "-Werror"; then
6117    ccache_cpp2=yes
6118fi
6119
6120#################################################
6121# clang does not support glibc + FORTIFY_SOURCE.
6122
6123if test "$fortify_source" != "no"; then
6124  if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
6125    fortify_source="no";
6126  elif test -n "$cxx" && has $cxx &&
6127       echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
6128    fortify_source="no";
6129  else
6130    fortify_source="yes"
6131  fi
6132fi
6133
6134###############################################
6135# Check if copy_file_range is provided by glibc
6136have_copy_file_range=no
6137cat > $TMPC << EOF
6138#include <unistd.h>
6139int main(void) {
6140  copy_file_range(0, NULL, 0, NULL, 0, 0);
6141  return 0;
6142}
6143EOF
6144if compile_prog "" "" ; then
6145    have_copy_file_range=yes
6146fi
6147
6148##########################################
6149# check if struct fsxattr is available via linux/fs.h
6150
6151have_fsxattr=no
6152cat > $TMPC << EOF
6153#include <linux/fs.h>
6154struct fsxattr foo;
6155int main(void) {
6156  return 0;
6157}
6158EOF
6159if compile_prog "" "" ; then
6160    have_fsxattr=yes
6161fi
6162
6163##########################################
6164# check for usable membarrier system call
6165if test "$membarrier" = "yes"; then
6166    have_membarrier=no
6167    if test "$mingw32" = "yes" ; then
6168        have_membarrier=yes
6169    elif test "$linux" = "yes" ; then
6170        cat > $TMPC << EOF
6171    #include <linux/membarrier.h>
6172    #include <sys/syscall.h>
6173    #include <unistd.h>
6174    #include <stdlib.h>
6175    int main(void) {
6176        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
6177        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
6178	exit(0);
6179    }
6180EOF
6181        if compile_prog "" "" ; then
6182            have_membarrier=yes
6183        fi
6184    fi
6185    if test "$have_membarrier" = "no"; then
6186      feature_not_found "membarrier" "membarrier system call not available"
6187    fi
6188else
6189    # Do not enable it by default even for Mingw32, because it doesn't
6190    # work on Wine.
6191    membarrier=no
6192fi
6193
6194##########################################
6195# check if rtnetlink.h exists and is useful
6196have_rtnetlink=no
6197cat > $TMPC << EOF
6198#include <linux/rtnetlink.h>
6199int main(void) {
6200  return IFLA_PROTO_DOWN;
6201}
6202EOF
6203if compile_prog "" "" ; then
6204    have_rtnetlink=yes
6205fi
6206
6207##########################################
6208# check for usable AF_VSOCK environment
6209have_af_vsock=no
6210cat > $TMPC << EOF
6211#include <errno.h>
6212#include <sys/types.h>
6213#include <sys/socket.h>
6214#if !defined(AF_VSOCK)
6215# error missing AF_VSOCK flag
6216#endif
6217#include <linux/vm_sockets.h>
6218int main(void) {
6219    int sock, ret;
6220    struct sockaddr_vm svm;
6221    socklen_t len = sizeof(svm);
6222    sock = socket(AF_VSOCK, SOCK_STREAM, 0);
6223    ret = getpeername(sock, (struct sockaddr *)&svm, &len);
6224    if ((ret == -1) && (errno == ENOTCONN)) {
6225        return 0;
6226    }
6227    return -1;
6228}
6229EOF
6230if compile_prog "" "" ; then
6231    have_af_vsock=yes
6232fi
6233
6234##########################################
6235# check for usable AF_ALG environment
6236have_afalg=no
6237cat > $TMPC << EOF
6238#include <errno.h>
6239#include <sys/types.h>
6240#include <sys/socket.h>
6241#include <linux/if_alg.h>
6242int main(void) {
6243    int sock;
6244    sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
6245    return sock;
6246}
6247EOF
6248if compile_prog "" "" ; then
6249    have_afalg=yes
6250fi
6251if test "$crypto_afalg" = "yes"
6252then
6253    if test "$have_afalg" != "yes"
6254    then
6255	error_exit "AF_ALG requested but could not be detected"
6256    fi
6257fi
6258
6259
6260#################################################
6261# Check to see if we have the Hypervisor framework
6262if [ "$darwin" = "yes" ] ; then
6263  cat > $TMPC << EOF
6264#include <Hypervisor/hv.h>
6265int main() { return 0;}
6266EOF
6267  if ! compile_object ""; then
6268    hvf='no'
6269  else
6270    hvf='yes'
6271    QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
6272  fi
6273fi
6274
6275#################################################
6276# Sparc implicitly links with --relax, which is
6277# incompatible with -r, so --no-relax should be
6278# given. It does no harm to give it on other
6279# platforms too.
6280
6281# Note: the prototype is needed since QEMU_CFLAGS
6282#       contains -Wmissing-prototypes
6283cat > $TMPC << EOF
6284extern int foo(void);
6285int foo(void) { return 0; }
6286EOF
6287if ! compile_object ""; then
6288  error_exit "Failed to compile object file for LD_REL_FLAGS test"
6289fi
6290for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
6291  if do_cc -nostdlib $i -o $TMPMO $TMPO; then
6292    LD_REL_FLAGS=$i
6293    break
6294  fi
6295done
6296if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
6297  feature_not_found "modules" "Cannot find how to build relocatable objects"
6298fi
6299
6300##########################################
6301# check for sysmacros.h
6302
6303have_sysmacros=no
6304cat > $TMPC << EOF
6305#include <sys/sysmacros.h>
6306int main(void) {
6307    return makedev(0, 0);
6308}
6309EOF
6310if compile_prog "" "" ; then
6311    have_sysmacros=yes
6312fi
6313
6314##########################################
6315# check for _Static_assert()
6316
6317have_static_assert=no
6318cat > $TMPC << EOF
6319_Static_assert(1, "success");
6320int main(void) {
6321    return 0;
6322}
6323EOF
6324if compile_prog "" "" ; then
6325    have_static_assert=yes
6326fi
6327
6328##########################################
6329# check for utmpx.h, it is missing e.g. on OpenBSD
6330
6331have_utmpx=no
6332cat > $TMPC << EOF
6333#include <utmpx.h>
6334struct utmpx user_info;
6335int main(void) {
6336    return 0;
6337}
6338EOF
6339if compile_prog "" "" ; then
6340    have_utmpx=yes
6341fi
6342
6343##########################################
6344# check for getrandom()
6345
6346have_getrandom=no
6347cat > $TMPC << EOF
6348#include <sys/random.h>
6349int main(void) {
6350    return getrandom(0, 0, GRND_NONBLOCK);
6351}
6352EOF
6353if compile_prog "" "" ; then
6354    have_getrandom=yes
6355fi
6356
6357##########################################
6358# checks for sanitizers
6359
6360have_asan=no
6361have_ubsan=no
6362have_asan_iface_h=no
6363have_asan_iface_fiber=no
6364
6365if test "$sanitizers" = "yes" ; then
6366  write_c_skeleton
6367  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6368      have_asan=yes
6369  fi
6370
6371  # we could use a simple skeleton for flags checks, but this also
6372  # detect the static linking issue of ubsan, see also:
6373  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6374  cat > $TMPC << EOF
6375#include <stdlib.h>
6376int main(void) {
6377    void *tmp = malloc(10);
6378    if (tmp != NULL) {
6379        return *(int *)(tmp + 2);
6380    }
6381    return 1;
6382}
6383EOF
6384  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6385      have_ubsan=yes
6386  fi
6387
6388  if check_include "sanitizer/asan_interface.h" ; then
6389      have_asan_iface_h=yes
6390  fi
6391
6392  cat > $TMPC << EOF
6393#include <sanitizer/asan_interface.h>
6394int main(void) {
6395  __sanitizer_start_switch_fiber(0, 0, 0);
6396  return 0;
6397}
6398EOF
6399  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6400      have_asan_iface_fiber=yes
6401  fi
6402fi
6403
6404##########################################
6405# checks for fuzzer
6406if test "$fuzzing" = "yes" ; then
6407  write_c_fuzzer_skeleton
6408  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
6409      have_fuzzer=yes
6410  fi
6411fi
6412
6413# Thread sanitizer is, for now, much noisier than the other sanitizers;
6414# keep it separate until that is not the case.
6415if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
6416  error_exit "TSAN is not supported with other sanitiziers."
6417fi
6418have_tsan=no
6419have_tsan_iface_fiber=no
6420if test "$tsan" = "yes" ; then
6421  write_c_skeleton
6422  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6423      have_tsan=yes
6424  fi
6425  cat > $TMPC << EOF
6426#include <sanitizer/tsan_interface.h>
6427int main(void) {
6428  __tsan_create_fiber(0);
6429  return 0;
6430}
6431EOF
6432  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6433      have_tsan_iface_fiber=yes
6434  fi
6435fi
6436
6437##########################################
6438# check for libpmem
6439
6440if test "$libpmem" != "no"; then
6441	if $pkg_config --exists "libpmem"; then
6442		libpmem="yes"
6443		libpmem_libs=$($pkg_config --libs libpmem)
6444		libpmem_cflags=$($pkg_config --cflags libpmem)
6445		libs_softmmu="$libs_softmmu $libpmem_libs"
6446		QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6447	else
6448		if test "$libpmem" = "yes" ; then
6449			feature_not_found "libpmem" "Install nvml or pmdk"
6450		fi
6451		libpmem="no"
6452	fi
6453fi
6454
6455##########################################
6456# check for libdaxctl
6457
6458if test "$libdaxctl" != "no"; then
6459	if $pkg_config --atleast-version=57 "libdaxctl"; then
6460		libdaxctl="yes"
6461		libdaxctl_libs=$($pkg_config --libs libdaxctl)
6462		libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
6463		libs_softmmu="$libs_softmmu $libdaxctl_libs"
6464		QEMU_CFLAGS="$QEMU_CFLAGS $libdaxctl_cflags"
6465	else
6466		if test "$libdaxctl" = "yes" ; then
6467			feature_not_found "libdaxctl" "Install libdaxctl"
6468		fi
6469		libdaxctl="no"
6470	fi
6471fi
6472
6473##########################################
6474# check for slirp
6475
6476# slirp is only required when building softmmu targets
6477if test -z "$slirp" -a "$softmmu" != "yes" ; then
6478    slirp="no"
6479fi
6480
6481case "$slirp" in
6482  "" | yes)
6483    if $pkg_config slirp; then
6484      slirp=system
6485    elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6486      slirp=git
6487    elif test -e "${source_path}/slirp/Makefile" ; then
6488      slirp=internal
6489    elif test -z "$slirp" ; then
6490      slirp=no
6491    else
6492      feature_not_found "slirp" "Install slirp devel or git submodule"
6493    fi
6494    ;;
6495
6496  system)
6497    if ! $pkg_config slirp; then
6498      feature_not_found "slirp" "Install slirp devel"
6499    fi
6500    ;;
6501esac
6502
6503case "$slirp" in
6504  git | internal)
6505    if test "$slirp" = git; then
6506      git_submodules="${git_submodules} slirp"
6507    fi
6508    mkdir -p slirp
6509    slirp_cflags="-I${source_path}/slirp/src -I$PWD/slirp/src"
6510    slirp_libs="-L$PWD/slirp -lslirp"
6511    if test "$mingw32" = "yes" ; then
6512      slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6513    fi
6514    ;;
6515
6516  system)
6517    slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6518    slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6519    slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6520    ;;
6521
6522  no)
6523    ;;
6524  *)
6525    error_exit "Unknown state for slirp: $slirp"
6526    ;;
6527esac
6528
6529##########################################
6530# check for usable __NR_keyctl syscall
6531
6532if test "$linux" = "yes" ; then
6533
6534    have_keyring=no
6535    cat > $TMPC << EOF
6536#include <errno.h>
6537#include <asm/unistd.h>
6538#include <linux/keyctl.h>
6539#include <unistd.h>
6540int main(void) {
6541    return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
6542}
6543EOF
6544    if compile_prog "" "" ; then
6545        have_keyring=yes
6546    fi
6547fi
6548if test "$secret_keyring" != "no"
6549then
6550    if test "$have_keyring" = "yes"
6551    then
6552	secret_keyring=yes
6553    else
6554	if test "$secret_keyring" = "yes"
6555	then
6556	    error_exit "syscall __NR_keyctl requested, \
6557but not implemented on your system"
6558	else
6559	    secret_keyring=no
6560	fi
6561    fi
6562fi
6563
6564##########################################
6565# check for usable keyutils.h
6566
6567if test "$linux" = "yes" ; then
6568
6569    have_keyutils=no
6570    cat > $TMPC << EOF
6571#include <errno.h>
6572#include <asm/unistd.h>
6573#include <unistd.h>
6574#include <sys/types.h>
6575#include <keyutils.h>
6576int main(void) {
6577    return request_key("user", NULL, NULL, 0);
6578}
6579EOF
6580    if compile_prog "" "-lkeyutils"; then
6581        have_keyutils=yes
6582    fi
6583fi
6584
6585
6586##########################################
6587# End of CC checks
6588# After here, no more $cc or $ld runs
6589
6590write_c_skeleton
6591
6592if test "$gcov" = "yes" ; then
6593  :
6594elif test "$fortify_source" = "yes" ; then
6595  QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
6596  debug=no
6597fi
6598if test "$debug_info" = "yes"; then
6599  CFLAGS="-g $CFLAGS"
6600  LDFLAGS="-g $LDFLAGS"
6601fi
6602if test "$debug" = "no"; then
6603  CFLAGS="-O2 $CFLAGS"
6604fi
6605
6606case "$ARCH" in
6607alpha)
6608  # Ensure there's only a single GP
6609  QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
6610;;
6611esac
6612
6613if test "$gprof" = "yes" ; then
6614  QEMU_CFLAGS="-p $QEMU_CFLAGS"
6615  QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
6616fi
6617
6618if test "$have_asan" = "yes"; then
6619  QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6620  QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6621  if test "$have_asan_iface_h" = "no" ; then
6622      echo "ASAN build enabled, but ASAN header missing." \
6623           "Without code annotation, the report may be inferior."
6624  elif test "$have_asan_iface_fiber" = "no" ; then
6625      echo "ASAN build enabled, but ASAN header is too old." \
6626           "Without code annotation, the report may be inferior."
6627  fi
6628fi
6629if test "$have_tsan" = "yes" ; then
6630  if test "$have_tsan_iface_fiber" = "yes" ; then
6631    QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
6632    QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
6633  else
6634    error_exit "Cannot enable TSAN due to missing fiber annotation interface."
6635  fi
6636elif test "$tsan" = "yes" ; then
6637  error_exit "Cannot enable TSAN due to missing sanitize thread interface."
6638fi
6639if test "$have_ubsan" = "yes"; then
6640  QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6641  QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6642fi
6643
6644##########################################
6645# Do we have libnfs
6646if test "$libnfs" != "no" ; then
6647  if $pkg_config --atleast-version=1.9.3 libnfs; then
6648    libnfs="yes"
6649    libnfs_libs=$($pkg_config --libs libnfs)
6650  else
6651    if test "$libnfs" = "yes" ; then
6652      feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6653    fi
6654    libnfs="no"
6655  fi
6656fi
6657
6658##########################################
6659# Do we have libudev
6660if test "$libudev" != "no" ; then
6661  if $pkg_config libudev && test "$static" != "yes"; then
6662    libudev="yes"
6663    libudev_libs=$($pkg_config --libs libudev)
6664  else
6665    libudev="no"
6666  fi
6667fi
6668
6669# Now we've finished running tests it's OK to add -Werror to the compiler flags
6670if test "$werror" = "yes"; then
6671    QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6672fi
6673
6674# Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
6675if test "$solaris" = "no" && test "$tsan" = "no"; then
6676    if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6677        QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6678    fi
6679fi
6680
6681# test if pod2man has --utf8 option
6682if pod2man --help | grep -q utf8; then
6683    POD2MAN="pod2man --utf8"
6684else
6685    POD2MAN="pod2man"
6686fi
6687
6688# Use ASLR, no-SEH and DEP if available
6689if test "$mingw32" = "yes" ; then
6690    for flag in --dynamicbase --no-seh --nxcompat; do
6691        if ld_has $flag ; then
6692            QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6693        fi
6694    done
6695fi
6696
6697# Disable OpenBSD W^X if available
6698if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6699    cat > $TMPC <<EOF
6700    int main(void) { return 0; }
6701EOF
6702    wx_ldflags="-Wl,-z,wxneeded"
6703    if compile_prog "" "$wx_ldflags"; then
6704        QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6705    fi
6706fi
6707
6708qemu_confdir=$sysconfdir$confsuffix
6709qemu_moddir=$libdir$confsuffix
6710qemu_datadir=$datadir$confsuffix
6711qemu_localedir="$datadir/locale"
6712qemu_icondir="$datadir/icons"
6713qemu_desktopdir="$datadir/applications"
6714
6715# We can only support ivshmem if we have eventfd
6716if [ "$eventfd" = "yes" ]; then
6717  ivshmem=yes
6718fi
6719
6720tools=""
6721helpers=""
6722if test "$want_tools" = "yes" ; then
6723  tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
6724  if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6725    tools="qemu-nbd\$(EXESUF) qemu-storage-daemon\$(EXESUF) $tools"
6726  fi
6727fi
6728if test "$softmmu" = yes ; then
6729  if test "$linux" = yes; then
6730    if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6731      virtfs=yes
6732    else
6733      if test "$virtfs" = yes; then
6734        error_exit "VirtFS requires libcap-ng devel and libattr devel"
6735      fi
6736      virtfs=no
6737    fi
6738    if test "$mpath" != no && test "$mpathpersist" = yes ; then
6739      mpath=yes
6740    else
6741      if test "$mpath" = yes; then
6742        error_exit "Multipath requires libmpathpersist devel"
6743      fi
6744      mpath=no
6745    fi
6746    helpers="$helpers scsi/qemu-pr-helper\$(EXESUF)"
6747  else
6748    if test "$virtfs" = yes; then
6749      error_exit "VirtFS is supported only on Linux"
6750    fi
6751    virtfs=no
6752    if test "$mpath" = yes; then
6753      error_exit "Multipath is supported only on Linux"
6754    fi
6755    mpath=no
6756  fi
6757fi
6758
6759# Probe for guest agent support/options
6760
6761if [ "$guest_agent" != "no" ]; then
6762  if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6763      guest_agent=no
6764  elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6765      guest_agent=yes
6766  elif [ "$guest_agent" != yes ]; then
6767      guest_agent=no
6768  else
6769      error_exit "Guest agent is not supported on this platform"
6770  fi
6771fi
6772
6773# Guest agent Window MSI  package
6774
6775if test "$guest_agent" != yes; then
6776  if test "$guest_agent_msi" = yes; then
6777    error_exit "MSI guest agent package requires guest agent enabled"
6778  fi
6779  guest_agent_msi=no
6780elif test "$mingw32" != "yes"; then
6781  if test "$guest_agent_msi" = "yes"; then
6782    error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6783  fi
6784  guest_agent_msi=no
6785elif ! has wixl; then
6786  if test "$guest_agent_msi" = "yes"; then
6787    error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6788  fi
6789  guest_agent_msi=no
6790else
6791  # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6792  # disabled explicitly
6793  if test "$guest_agent_msi" != "no"; then
6794    guest_agent_msi=yes
6795  fi
6796fi
6797
6798if test "$guest_agent_msi" = "yes"; then
6799  if test "$guest_agent_with_vss" = "yes"; then
6800    QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6801  fi
6802
6803  if test "$QEMU_GA_MANUFACTURER" = ""; then
6804    QEMU_GA_MANUFACTURER=QEMU
6805  fi
6806
6807  if test "$QEMU_GA_DISTRO" = ""; then
6808    QEMU_GA_DISTRO=Linux
6809  fi
6810
6811  if test "$QEMU_GA_VERSION" = ""; then
6812      QEMU_GA_VERSION=$(cat $source_path/VERSION)
6813  fi
6814
6815  QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6816
6817  case "$cpu" in
6818  x86_64)
6819    QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6820    ;;
6821  i386)
6822    QEMU_GA_MSI_ARCH="-D Arch=32"
6823    ;;
6824  *)
6825    error_exit "CPU $cpu not supported for building installation package"
6826    ;;
6827  esac
6828fi
6829
6830# Mac OS X ships with a broken assembler
6831roms=
6832if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6833        test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6834        test "$softmmu" = yes ; then
6835    # Different host OS linkers have different ideas about the name of the ELF
6836    # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6837    # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6838    for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6839        if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6840            ld_i386_emulation="$emu"
6841            roms="optionrom"
6842            break
6843        fi
6844    done
6845fi
6846
6847# Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6848if test "$cpu" = "s390x" ; then
6849  write_c_skeleton
6850  if compile_prog "-march=z900" ""; then
6851    roms="$roms s390-ccw"
6852    # SLOF is required for building the s390-ccw firmware on s390x,
6853    # since it is using the libnet code from SLOF for network booting.
6854    if test -e "${source_path}/.git" ; then
6855      git_submodules="${git_submodules} roms/SLOF"
6856    fi
6857  fi
6858fi
6859
6860# Check that the C++ compiler exists and works with the C compiler.
6861# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6862if has $cxx; then
6863    cat > $TMPC <<EOF
6864int c_function(void);
6865int main(void) { return c_function(); }
6866EOF
6867
6868    compile_object
6869
6870    cat > $TMPCXX <<EOF
6871extern "C" {
6872   int c_function(void);
6873}
6874int c_function(void) { return 42; }
6875EOF
6876
6877    update_cxxflags
6878
6879    if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6880        # C++ compiler $cxx works ok with C compiler $cc
6881        :
6882    else
6883        echo "C++ compiler $cxx does not work with C compiler $cc"
6884        echo "Disabling C++ specific optional code"
6885        cxx=
6886    fi
6887else
6888    echo "No C++ compiler available; disabling C++ specific optional code"
6889    cxx=
6890fi
6891
6892echo_version() {
6893    if test "$1" = "yes" ; then
6894        echo "($2)"
6895    fi
6896}
6897
6898# prepend pixman and ftd flags after all config tests are done
6899QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6900QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6901libs_softmmu="$pixman_libs $libs_softmmu"
6902
6903config_host_mak="config-host.mak"
6904
6905echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6906
6907echo "# Automatically generated by configure - do not modify" > $config_host_mak
6908echo >> $config_host_mak
6909
6910echo all: >> $config_host_mak
6911echo "prefix=$prefix" >> $config_host_mak
6912echo "bindir=$bindir" >> $config_host_mak
6913echo "libdir=$libdir" >> $config_host_mak
6914echo "libexecdir=$libexecdir" >> $config_host_mak
6915echo "includedir=$includedir" >> $config_host_mak
6916echo "mandir=$mandir" >> $config_host_mak
6917echo "sysconfdir=$sysconfdir" >> $config_host_mak
6918echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6919echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6920echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6921echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6922echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6923if test "$mingw32" = "no" ; then
6924  echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6925fi
6926echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6927echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6928echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6929echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6930echo "libs_cpu=$libs_cpu" >> $config_host_mak
6931echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6932echo "GIT=$git" >> $config_host_mak
6933echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6934echo "GIT_UPDATE=$git_update" >> $config_host_mak
6935
6936echo "ARCH=$ARCH" >> $config_host_mak
6937
6938echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
6939echo "GLIB_LDFLAGS=$glib_ldflags" >> $config_host_mak
6940
6941if test "$default_devices" = "yes" ; then
6942  echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6943else
6944  echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6945fi
6946if test "$debug_tcg" = "yes" ; then
6947  echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6948fi
6949if test "$strip_opt" = "yes" ; then
6950  echo "STRIP=${strip}" >> $config_host_mak
6951fi
6952if test "$bigendian" = "yes" ; then
6953  echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6954fi
6955if test "$mingw32" = "yes" ; then
6956  echo "CONFIG_WIN32=y" >> $config_host_mak
6957  rc_version=$(cat $source_path/VERSION)
6958  version_major=${rc_version%%.*}
6959  rc_version=${rc_version#*.}
6960  version_minor=${rc_version%%.*}
6961  rc_version=${rc_version#*.}
6962  version_subminor=${rc_version%%.*}
6963  version_micro=0
6964  echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6965  echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6966  if test "$guest_agent_with_vss" = "yes" ; then
6967    echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6968    echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6969    echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6970  fi
6971  if test "$guest_agent_ntddscsi" = "yes" ; then
6972    echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6973  fi
6974  if test "$guest_agent_msi" = "yes"; then
6975    echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6976    echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6977    echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6978    echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6979    echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6980    echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6981    echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6982  fi
6983else
6984  echo "CONFIG_POSIX=y" >> $config_host_mak
6985fi
6986
6987if test "$linux" = "yes" ; then
6988  echo "CONFIG_LINUX=y" >> $config_host_mak
6989fi
6990
6991if test "$darwin" = "yes" ; then
6992  echo "CONFIG_DARWIN=y" >> $config_host_mak
6993fi
6994
6995if test "$solaris" = "yes" ; then
6996  echo "CONFIG_SOLARIS=y" >> $config_host_mak
6997fi
6998if test "$haiku" = "yes" ; then
6999  echo "CONFIG_HAIKU=y" >> $config_host_mak
7000fi
7001if test "$static" = "yes" ; then
7002  echo "CONFIG_STATIC=y" >> $config_host_mak
7003fi
7004if test "$profiler" = "yes" ; then
7005  echo "CONFIG_PROFILER=y" >> $config_host_mak
7006fi
7007if test "$want_tools" = "yes" ; then
7008  echo "CONFIG_TOOLS=y" >> $config_host_mak
7009fi
7010if test "$guest_agent" = "yes" ; then
7011  echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
7012fi
7013if test "$slirp" != "no"; then
7014  echo "CONFIG_SLIRP=y" >> $config_host_mak
7015  echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
7016  echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
7017  echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
7018fi
7019if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
7020    echo "config-host.h: slirp/all" >> $config_host_mak
7021fi
7022if test "$vde" = "yes" ; then
7023  echo "CONFIG_VDE=y" >> $config_host_mak
7024  echo "VDE_LIBS=$vde_libs" >> $config_host_mak
7025fi
7026if test "$netmap" = "yes" ; then
7027  echo "CONFIG_NETMAP=y" >> $config_host_mak
7028fi
7029if test "$l2tpv3" = "yes" ; then
7030  echo "CONFIG_L2TPV3=y" >> $config_host_mak
7031fi
7032if test "$gprof" = "yes" ; then
7033  echo "CONFIG_GPROF=y" >> $config_host_mak
7034fi
7035if test "$cap_ng" = "yes" ; then
7036  echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
7037  echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
7038fi
7039echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
7040for drv in $audio_drv_list; do
7041    def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
7042    case "$drv" in
7043	alsa | oss | pa | sdl)
7044	    echo "$def=m" >> $config_host_mak ;;
7045	*)
7046	    echo "$def=y" >> $config_host_mak ;;
7047    esac
7048done
7049echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
7050echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
7051echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
7052echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
7053echo "OSS_LIBS=$oss_libs" >> $config_host_mak
7054echo "JACK_LIBS=$jack_libs" >> $config_host_mak
7055if test "$audio_win_int" = "yes" ; then
7056  echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
7057fi
7058echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
7059echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
7060if test "$vnc" = "yes" ; then
7061  echo "CONFIG_VNC=y" >> $config_host_mak
7062fi
7063if test "$vnc_sasl" = "yes" ; then
7064  echo "CONFIG_VNC_SASL=y" >> $config_host_mak
7065fi
7066if test "$vnc_jpeg" = "yes" ; then
7067  echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
7068fi
7069if test "$vnc_png" = "yes" ; then
7070  echo "CONFIG_VNC_PNG=y" >> $config_host_mak
7071fi
7072if test "$xkbcommon" = "yes" ; then
7073  echo "CONFIG_XKBCOMMON=y" >> $config_host_mak
7074  echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
7075  echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
7076fi
7077if test "$xfs" = "yes" ; then
7078  echo "CONFIG_XFS=y" >> $config_host_mak
7079fi
7080qemu_version=$(head $source_path/VERSION)
7081echo "VERSION=$qemu_version" >>$config_host_mak
7082echo "PKGVERSION=$pkgversion" >>$config_host_mak
7083echo "SRC_PATH=$source_path" >> $config_host_mak
7084echo "TARGET_DIRS=$target_list" >> $config_host_mak
7085if [ "$docs" = "yes" ] ; then
7086  echo "BUILD_DOCS=yes" >> $config_host_mak
7087fi
7088if test "$modules" = "yes"; then
7089  # $shacmd can generate a hash started with digit, which the compiler doesn't
7090  # like as an symbol. So prefix it with an underscore
7091  echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
7092  echo "CONFIG_MODULES=y" >> $config_host_mak
7093fi
7094if test "$module_upgrades" = "yes"; then
7095  echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
7096fi
7097if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
7098  echo "CONFIG_X11=y" >> $config_host_mak
7099  echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
7100  echo "X11_LIBS=$x11_libs" >> $config_host_mak
7101fi
7102if test "$sdl" = "yes" ; then
7103  echo "CONFIG_SDL=m" >> $config_host_mak
7104  echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
7105  echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
7106  if test "$sdl_image" = "yes" ; then
7107      echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
7108  fi
7109fi
7110if test "$cocoa" = "yes" ; then
7111  echo "CONFIG_COCOA=y" >> $config_host_mak
7112fi
7113if test "$iconv" = "yes" ; then
7114  echo "CONFIG_ICONV=y" >> $config_host_mak
7115  echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
7116  echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
7117fi
7118if test "$curses" = "yes" ; then
7119  echo "CONFIG_CURSES=m" >> $config_host_mak
7120  echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
7121  echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
7122fi
7123if test "$pipe2" = "yes" ; then
7124  echo "CONFIG_PIPE2=y" >> $config_host_mak
7125fi
7126if test "$accept4" = "yes" ; then
7127  echo "CONFIG_ACCEPT4=y" >> $config_host_mak
7128fi
7129if test "$splice" = "yes" ; then
7130  echo "CONFIG_SPLICE=y" >> $config_host_mak
7131fi
7132if test "$eventfd" = "yes" ; then
7133  echo "CONFIG_EVENTFD=y" >> $config_host_mak
7134fi
7135if test "$memfd" = "yes" ; then
7136  echo "CONFIG_MEMFD=y" >> $config_host_mak
7137fi
7138if test "$have_usbfs" = "yes" ; then
7139  echo "CONFIG_USBFS=y" >> $config_host_mak
7140fi
7141if test "$fallocate" = "yes" ; then
7142  echo "CONFIG_FALLOCATE=y" >> $config_host_mak
7143fi
7144if test "$fallocate_punch_hole" = "yes" ; then
7145  echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
7146fi
7147if test "$fallocate_zero_range" = "yes" ; then
7148  echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
7149fi
7150if test "$posix_fallocate" = "yes" ; then
7151  echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
7152fi
7153if test "$sync_file_range" = "yes" ; then
7154  echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
7155fi
7156if test "$fiemap" = "yes" ; then
7157  echo "CONFIG_FIEMAP=y" >> $config_host_mak
7158fi
7159if test "$dup3" = "yes" ; then
7160  echo "CONFIG_DUP3=y" >> $config_host_mak
7161fi
7162if test "$ppoll" = "yes" ; then
7163  echo "CONFIG_PPOLL=y" >> $config_host_mak
7164fi
7165if test "$prctl_pr_set_timerslack" = "yes" ; then
7166  echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
7167fi
7168if test "$epoll" = "yes" ; then
7169  echo "CONFIG_EPOLL=y" >> $config_host_mak
7170fi
7171if test "$epoll_create1" = "yes" ; then
7172  echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
7173fi
7174if test "$sendfile" = "yes" ; then
7175  echo "CONFIG_SENDFILE=y" >> $config_host_mak
7176fi
7177if test "$timerfd" = "yes" ; then
7178  echo "CONFIG_TIMERFD=y" >> $config_host_mak
7179fi
7180if test "$setns" = "yes" ; then
7181  echo "CONFIG_SETNS=y" >> $config_host_mak
7182fi
7183if test "$clock_adjtime" = "yes" ; then
7184  echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
7185fi
7186if test "$syncfs" = "yes" ; then
7187  echo "CONFIG_SYNCFS=y" >> $config_host_mak
7188fi
7189if test "$kcov" = "yes" ; then
7190  echo "CONFIG_KCOV=y" >> $config_host_mak
7191fi
7192if test "$inotify" = "yes" ; then
7193  echo "CONFIG_INOTIFY=y" >> $config_host_mak
7194fi
7195if test "$inotify1" = "yes" ; then
7196  echo "CONFIG_INOTIFY1=y" >> $config_host_mak
7197fi
7198if test "$sem_timedwait" = "yes" ; then
7199  echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
7200fi
7201if test "$strchrnul" = "yes" ; then
7202  echo "HAVE_STRCHRNUL=y" >> $config_host_mak
7203fi
7204if test "$st_atim" = "yes" ; then
7205  echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
7206fi
7207if test "$byteswap_h" = "yes" ; then
7208  echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
7209fi
7210if test "$bswap_h" = "yes" ; then
7211  echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
7212fi
7213if test "$curl" = "yes" ; then
7214  echo "CONFIG_CURL=m" >> $config_host_mak
7215  echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
7216  echo "CURL_LIBS=$curl_libs" >> $config_host_mak
7217fi
7218if test "$brlapi" = "yes" ; then
7219  echo "CONFIG_BRLAPI=y" >> $config_host_mak
7220  echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
7221fi
7222if test "$gtk" = "yes" ; then
7223  echo "CONFIG_GTK=m" >> $config_host_mak
7224  echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
7225  echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
7226  if test "$gtk_gl" = "yes" ; then
7227    echo "CONFIG_GTK_GL=y" >> $config_host_mak
7228  fi
7229fi
7230if test "$gio" = "yes" ; then
7231    echo "CONFIG_GIO=y" >> $config_host_mak
7232    echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
7233    echo "GIO_LIBS=$gio_libs" >> $config_host_mak
7234    echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
7235fi
7236echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
7237if test "$gnutls" = "yes" ; then
7238  echo "CONFIG_GNUTLS=y" >> $config_host_mak
7239  echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
7240  echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
7241fi
7242if test "$gcrypt" = "yes" ; then
7243  echo "CONFIG_GCRYPT=y" >> $config_host_mak
7244  if test "$gcrypt_hmac" = "yes" ; then
7245    echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
7246  fi
7247fi
7248if test "$nettle" = "yes" ; then
7249  echo "CONFIG_NETTLE=y" >> $config_host_mak
7250  echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
7251  echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
7252  echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
7253fi
7254if test "$qemu_private_xts" = "yes" ; then
7255  echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
7256fi
7257if test "$tasn1" = "yes" ; then
7258  echo "CONFIG_TASN1=y" >> $config_host_mak
7259fi
7260if test "$auth_pam" = "yes" ; then
7261    echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
7262fi
7263if test "$have_ifaddrs_h" = "yes" ; then
7264    echo "HAVE_IFADDRS_H=y" >> $config_host_mak
7265fi
7266if test "$have_drm_h" = "yes" ; then
7267  echo "HAVE_DRM_H=y" >> $config_host_mak
7268fi
7269if test "$have_broken_size_max" = "yes" ; then
7270    echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
7271fi
7272if test "$have_openpty" = "yes" ; then
7273    echo "HAVE_OPENPTY=y" >> $config_host_mak
7274fi
7275if test "$have_sys_signal_h" = "yes" ; then
7276    echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
7277fi
7278
7279# Work around a system header bug with some kernel/XFS header
7280# versions where they both try to define 'struct fsxattr':
7281# xfs headers will not try to redefine structs from linux headers
7282# if this macro is set.
7283if test "$have_fsxattr" = "yes" ; then
7284    echo "HAVE_FSXATTR=y" >> $config_host_mak
7285fi
7286if test "$have_copy_file_range" = "yes" ; then
7287    echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7288fi
7289if test "$vte" = "yes" ; then
7290  echo "CONFIG_VTE=y" >> $config_host_mak
7291  echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7292  echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7293fi
7294if test "$virglrenderer" = "yes" ; then
7295  echo "CONFIG_VIRGL=y" >> $config_host_mak
7296  echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7297  echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7298fi
7299if test "$xen" = "yes" ; then
7300  echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7301  echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7302fi
7303if test "$linux_aio" = "yes" ; then
7304  echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7305fi
7306if test "$linux_io_uring" = "yes" ; then
7307  echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7308  echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7309  echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7310fi
7311if test "$attr" = "yes" ; then
7312  echo "CONFIG_ATTR=y" >> $config_host_mak
7313  echo "LIBATTR_LIBS=$libattr_libs" >> $config_host_mak
7314fi
7315if test "$libattr" = "yes" ; then
7316  echo "CONFIG_LIBATTR=y" >> $config_host_mak
7317fi
7318if test "$virtfs" = "yes" ; then
7319  echo "CONFIG_VIRTFS=y" >> $config_host_mak
7320fi
7321if test "$mpath" = "yes" ; then
7322  echo "CONFIG_MPATH=y" >> $config_host_mak
7323  if test "$mpathpersist_new_api" = "yes"; then
7324    echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7325  fi
7326fi
7327if test "$vhost_scsi" = "yes" ; then
7328  echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7329fi
7330if test "$vhost_net" = "yes" ; then
7331  echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7332fi
7333if test "$vhost_net_user" = "yes" ; then
7334  echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7335fi
7336if test "$vhost_net_vdpa" = "yes" ; then
7337  echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
7338fi
7339if test "$vhost_crypto" = "yes" ; then
7340  echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7341fi
7342if test "$vhost_vsock" = "yes" ; then
7343  echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7344  if test "$vhost_user" = "yes" ; then
7345    echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
7346  fi
7347fi
7348if test "$vhost_kernel" = "yes" ; then
7349  echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7350fi
7351if test "$vhost_user" = "yes" ; then
7352  echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7353fi
7354if test "$vhost_vdpa" = "yes" ; then
7355  echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
7356fi
7357if test "$vhost_user_fs" = "yes" ; then
7358  echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7359fi
7360if test "$blobs" = "yes" ; then
7361  echo "INSTALL_BLOBS=yes" >> $config_host_mak
7362fi
7363if test "$iovec" = "yes" ; then
7364  echo "CONFIG_IOVEC=y" >> $config_host_mak
7365fi
7366if test "$preadv" = "yes" ; then
7367  echo "CONFIG_PREADV=y" >> $config_host_mak
7368fi
7369if test "$fdt" != "no" ; then
7370  echo "CONFIG_FDT=y" >> $config_host_mak
7371fi
7372if test "$membarrier" = "yes" ; then
7373  echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7374fi
7375if test "$signalfd" = "yes" ; then
7376  echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7377fi
7378if test "$optreset" = "yes" ; then
7379  echo "HAVE_OPTRESET=y" >> $config_host_mak
7380fi
7381if test "$tcg" = "yes"; then
7382  echo "CONFIG_TCG=y" >> $config_host_mak
7383  if test "$tcg_interpreter" = "yes" ; then
7384    echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7385  fi
7386fi
7387if test "$fdatasync" = "yes" ; then
7388  echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7389fi
7390if test "$madvise" = "yes" ; then
7391  echo "CONFIG_MADVISE=y" >> $config_host_mak
7392fi
7393if test "$posix_madvise" = "yes" ; then
7394  echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7395fi
7396if test "$posix_memalign" = "yes" ; then
7397  echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7398fi
7399
7400if test "$spice" = "yes" ; then
7401  echo "CONFIG_SPICE=y" >> $config_host_mak
7402fi
7403
7404if test "$smartcard" = "yes" ; then
7405  echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7406  echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7407  echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7408fi
7409
7410if test "$libusb" = "yes" ; then
7411  echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7412  echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7413  echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7414fi
7415
7416if test "$usb_redir" = "yes" ; then
7417  echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7418  echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7419  echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7420fi
7421
7422if test "$opengl" = "yes" ; then
7423  echo "CONFIG_OPENGL=y" >> $config_host_mak
7424  echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7425  if test "$opengl_dmabuf" = "yes" ; then
7426    echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7427  fi
7428fi
7429
7430if test "$gbm" = "yes" ; then
7431    echo "CONFIG_GBM=y" >> $config_host_mak
7432    echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7433    echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7434fi
7435
7436
7437if test "$malloc_trim" = "yes" ; then
7438  echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7439fi
7440
7441if test "$avx2_opt" = "yes" ; then
7442  echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7443fi
7444
7445if test "$avx512f_opt" = "yes" ; then
7446  echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
7447fi
7448
7449if test "$lzo" = "yes" ; then
7450  echo "CONFIG_LZO=y" >> $config_host_mak
7451fi
7452
7453if test "$snappy" = "yes" ; then
7454  echo "CONFIG_SNAPPY=y" >> $config_host_mak
7455fi
7456
7457if test "$bzip2" = "yes" ; then
7458  echo "CONFIG_BZIP2=y" >> $config_host_mak
7459  echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7460fi
7461
7462if test "$lzfse" = "yes" ; then
7463  echo "CONFIG_LZFSE=y" >> $config_host_mak
7464  echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7465fi
7466
7467if test "$zstd" = "yes" ; then
7468  echo "CONFIG_ZSTD=y" >> $config_host_mak
7469fi
7470
7471if test "$libiscsi" = "yes" ; then
7472  echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7473  echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7474  echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7475fi
7476
7477if test "$libnfs" = "yes" ; then
7478  echo "CONFIG_LIBNFS=m" >> $config_host_mak
7479  echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7480fi
7481
7482if test "$seccomp" = "yes"; then
7483  echo "CONFIG_SECCOMP=y" >> $config_host_mak
7484  echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7485  echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7486fi
7487
7488# XXX: suppress that
7489if [ "$bsd" = "yes" ] ; then
7490  echo "CONFIG_BSD=y" >> $config_host_mak
7491fi
7492
7493if test "$localtime_r" = "yes" ; then
7494  echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7495fi
7496if test "$qom_cast_debug" = "yes" ; then
7497  echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7498fi
7499if test "$rbd" = "yes" ; then
7500  echo "CONFIG_RBD=m" >> $config_host_mak
7501  echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
7502  echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7503fi
7504
7505echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7506if test "$coroutine_pool" = "yes" ; then
7507  echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7508else
7509  echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7510fi
7511
7512if test "$debug_stack_usage" = "yes" ; then
7513  echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7514fi
7515
7516if test "$crypto_afalg" = "yes" ; then
7517  echo "CONFIG_AF_ALG=y" >> $config_host_mak
7518fi
7519
7520if test "$open_by_handle_at" = "yes" ; then
7521  echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7522fi
7523
7524if test "$linux_magic_h" = "yes" ; then
7525  echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7526fi
7527
7528if test "$valgrind_h" = "yes" ; then
7529  echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7530fi
7531
7532if test "$have_asan_iface_fiber" = "yes" ; then
7533    echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7534fi
7535
7536if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
7537    echo "CONFIG_TSAN=y" >> $config_host_mak
7538fi
7539
7540if test "$has_environ" = "yes" ; then
7541  echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7542fi
7543
7544if test "$cpuid_h" = "yes" ; then
7545  echo "CONFIG_CPUID_H=y" >> $config_host_mak
7546fi
7547
7548if test "$int128" = "yes" ; then
7549  echo "CONFIG_INT128=y" >> $config_host_mak
7550fi
7551
7552if test "$atomic128" = "yes" ; then
7553  echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7554fi
7555
7556if test "$cmpxchg128" = "yes" ; then
7557  echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7558fi
7559
7560if test "$atomic64" = "yes" ; then
7561  echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7562fi
7563
7564if test "$attralias" = "yes" ; then
7565  echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7566fi
7567
7568if test "$getauxval" = "yes" ; then
7569  echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7570fi
7571
7572if test "$glusterfs" = "yes" ; then
7573  echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7574  echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7575  echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7576fi
7577
7578if test "$glusterfs_xlator_opt" = "yes" ; then
7579  echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7580fi
7581
7582if test "$glusterfs_discard" = "yes" ; then
7583  echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7584fi
7585
7586if test "$glusterfs_fallocate" = "yes" ; then
7587  echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7588fi
7589
7590if test "$glusterfs_zerofill" = "yes" ; then
7591  echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7592fi
7593
7594if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7595  echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7596fi
7597
7598if test "$glusterfs_iocb_has_stat" = "yes" ; then
7599  echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7600fi
7601
7602if test "$libssh" = "yes" ; then
7603  echo "CONFIG_LIBSSH=m" >> $config_host_mak
7604  echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7605  echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7606fi
7607
7608if test "$live_block_migration" = "yes" ; then
7609  echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7610fi
7611
7612if test "$tpm" = "yes"; then
7613  echo 'CONFIG_TPM=y' >> $config_host_mak
7614fi
7615
7616echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7617if have_backend "nop"; then
7618  echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7619fi
7620if have_backend "simple"; then
7621  echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7622  # Set the appropriate trace file.
7623  trace_file="\"$trace_file-\" FMT_pid"
7624fi
7625if have_backend "log"; then
7626  echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7627fi
7628if have_backend "ust"; then
7629  echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7630  echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
7631  echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
7632fi
7633if have_backend "dtrace"; then
7634  echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7635  if test "$trace_backend_stap" = "yes" ; then
7636    echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7637  fi
7638fi
7639if have_backend "ftrace"; then
7640  if test "$linux" = "yes" ; then
7641    echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7642  else
7643    feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7644  fi
7645fi
7646if have_backend "syslog"; then
7647  if test "$posix_syslog" = "yes" ; then
7648    echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7649  else
7650    feature_not_found "syslog(trace backend)" "syslog not available"
7651  fi
7652fi
7653echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7654
7655if test "$rdma" = "yes" ; then
7656  echo "CONFIG_RDMA=y" >> $config_host_mak
7657  echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7658fi
7659
7660if test "$pvrdma" = "yes" ; then
7661  echo "CONFIG_PVRDMA=y" >> $config_host_mak
7662fi
7663
7664if test "$have_rtnetlink" = "yes" ; then
7665  echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7666fi
7667
7668if test "$libxml2" = "yes" ; then
7669  echo "CONFIG_LIBXML2=y" >> $config_host_mak
7670  echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7671  echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7672fi
7673
7674if test "$replication" = "yes" ; then
7675  echo "CONFIG_REPLICATION=y" >> $config_host_mak
7676fi
7677
7678if test "$have_af_vsock" = "yes" ; then
7679  echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7680fi
7681
7682if test "$have_sysmacros" = "yes" ; then
7683  echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7684fi
7685
7686if test "$have_static_assert" = "yes" ; then
7687  echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7688fi
7689
7690if test "$have_utmpx" = "yes" ; then
7691  echo "HAVE_UTMPX=y" >> $config_host_mak
7692fi
7693if test "$have_getrandom" = "yes" ; then
7694  echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7695fi
7696if test "$ivshmem" = "yes" ; then
7697  echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7698fi
7699if test "$capstone" != "no" ; then
7700  echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7701fi
7702if test "$debug_mutex" = "yes" ; then
7703  echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7704fi
7705
7706# Hold two types of flag:
7707#   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7708#                                     a thread we have a handle to
7709#   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7710#                                     platform
7711if test "$pthread_setname_np_w_tid" = "yes" ; then
7712  echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7713  echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7714elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7715  echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7716  echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7717fi
7718
7719if test "$libpmem" = "yes" ; then
7720  echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7721fi
7722
7723if test "$libdaxctl" = "yes" ; then
7724  echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
7725fi
7726
7727if test "$bochs" = "yes" ; then
7728  echo "CONFIG_BOCHS=y" >> $config_host_mak
7729fi
7730if test "$cloop" = "yes" ; then
7731  echo "CONFIG_CLOOP=y" >> $config_host_mak
7732fi
7733if test "$dmg" = "yes" ; then
7734  echo "CONFIG_DMG=y" >> $config_host_mak
7735fi
7736if test "$qcow1" = "yes" ; then
7737  echo "CONFIG_QCOW1=y" >> $config_host_mak
7738fi
7739if test "$vdi" = "yes" ; then
7740  echo "CONFIG_VDI=y" >> $config_host_mak
7741fi
7742if test "$vvfat" = "yes" ; then
7743  echo "CONFIG_VVFAT=y" >> $config_host_mak
7744fi
7745if test "$qed" = "yes" ; then
7746  echo "CONFIG_QED=y" >> $config_host_mak
7747fi
7748if test "$parallels" = "yes" ; then
7749  echo "CONFIG_PARALLELS=y" >> $config_host_mak
7750fi
7751if test "$sheepdog" = "yes" ; then
7752  echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7753fi
7754if test "$pty_h" = "yes" ; then
7755  echo "HAVE_PTY_H=y" >> $config_host_mak
7756fi
7757if test "$have_mlockall" = "yes" ; then
7758  echo "HAVE_MLOCKALL=y" >> $config_host_mak
7759fi
7760if test "$fuzzing" = "yes" ; then
7761  if test "$have_fuzzer" = "yes"; then
7762    FUZZ_LDFLAGS=" -fsanitize=fuzzer"
7763    FUZZ_CFLAGS=" -fsanitize=fuzzer"
7764    QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
7765  else
7766    error_exit "Your compiler doesn't support -fsanitize=fuzzer"
7767    exit 1
7768  fi
7769fi
7770
7771if test "$plugins" = "yes" ; then
7772    echo "CONFIG_PLUGIN=y" >> $config_host_mak
7773    LIBS="-ldl $LIBS"
7774    # Copy the export object list to the build dir
7775    if test "$ld_dynamic_list" = "yes" ; then
7776	echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7777	ld_symbols=qemu-plugins-ld.symbols
7778	cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7779    elif test "$ld_exported_symbols_list" = "yes" ; then
7780	echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7781	ld64_symbols=qemu-plugins-ld64.symbols
7782	echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7783	grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7784	    sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7785    else
7786	error_exit \
7787	    "If \$plugins=yes, either \$ld_dynamic_list or " \
7788	    "\$ld_exported_symbols_list should have been set to 'yes'."
7789    fi
7790fi
7791
7792if test -n "$gdb_bin" ; then
7793    echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7794fi
7795
7796if test "$secret_keyring" = "yes" ; then
7797  echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7798  if test "$have_keyutils" = "yes" ; then
7799    echo "CONFIG_TEST_SECRET_KEYRING=y" >> $config_host_mak
7800  fi
7801fi
7802
7803if test "$tcg_interpreter" = "yes"; then
7804  QEMU_INCLUDES="-iquote ${source_path}/tcg/tci $QEMU_INCLUDES"
7805elif test "$ARCH" = "sparc64" ; then
7806  QEMU_INCLUDES="-iquote ${source_path}/tcg/sparc $QEMU_INCLUDES"
7807elif test "$ARCH" = "s390x" ; then
7808  QEMU_INCLUDES="-iquote ${source_path}/tcg/s390 $QEMU_INCLUDES"
7809elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7810  QEMU_INCLUDES="-iquote ${source_path}/tcg/i386 $QEMU_INCLUDES"
7811elif test "$ARCH" = "ppc64" ; then
7812  QEMU_INCLUDES="-iquote ${source_path}/tcg/ppc $QEMU_INCLUDES"
7813elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7814  QEMU_INCLUDES="-I${source_path}/tcg/riscv $QEMU_INCLUDES"
7815else
7816  QEMU_INCLUDES="-iquote ${source_path}/tcg/${ARCH} $QEMU_INCLUDES"
7817fi
7818
7819echo "HELPERS=$helpers" >> $config_host_mak
7820echo "TOOLS=$tools" >> $config_host_mak
7821echo "ROMS=$roms" >> $config_host_mak
7822echo "MAKE=$make" >> $config_host_mak
7823echo "INSTALL=$install" >> $config_host_mak
7824echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7825echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7826echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7827echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7828echo "PYTHON=$python" >> $config_host_mak
7829echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7830echo "SPHINX_WERROR=$sphinx_werror" >> $config_host_mak
7831echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7832echo "MESON=$meson" >> $config_host_mak
7833echo "CC=$cc" >> $config_host_mak
7834if $iasl -h > /dev/null 2>&1; then
7835  echo "IASL=$iasl" >> $config_host_mak
7836fi
7837echo "HOST_CC=$host_cc" >> $config_host_mak
7838echo "CXX=$cxx" >> $config_host_mak
7839echo "OBJCC=$objcc" >> $config_host_mak
7840echo "AR=$ar" >> $config_host_mak
7841echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7842echo "AS=$as" >> $config_host_mak
7843echo "CCAS=$ccas" >> $config_host_mak
7844echo "CPP=$cpp" >> $config_host_mak
7845echo "OBJCOPY=$objcopy" >> $config_host_mak
7846echo "LD=$ld" >> $config_host_mak
7847echo "RANLIB=$ranlib" >> $config_host_mak
7848echo "NM=$nm" >> $config_host_mak
7849echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7850echo "WINDRES=$windres" >> $config_host_mak
7851echo "CFLAGS=$CFLAGS" >> $config_host_mak
7852echo "CXXFLAGS=$CXXFLAGS" >> $config_host_mak
7853echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7854echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7855echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7856echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7857echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
7858echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
7859if test "$sparse" = "yes" ; then
7860  echo "SPARSE_CFLAGS = -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7861fi
7862echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7863echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7864echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7865echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7866echo "LIBS+=$LIBS" >> $config_host_mak
7867echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7868echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7869echo "EXESUF=$EXESUF" >> $config_host_mak
7870echo "DSOSUF=$DSOSUF" >> $config_host_mak
7871echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7872echo "LIBS_QGA=$libs_qga" >> $config_host_mak
7873echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7874echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7875echo "POD2MAN=$POD2MAN" >> $config_host_mak
7876if test "$gcov" = "yes" ; then
7877  echo "CONFIG_GCOV=y" >> $config_host_mak
7878fi
7879
7880if test "$libudev" != "no"; then
7881    echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7882    echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7883fi
7884if test "$fuzzing" != "no"; then
7885    echo "CONFIG_FUZZ=y" >> $config_host_mak
7886    echo "FUZZ_CFLAGS=$FUZZ_CFLAGS" >> $config_host_mak
7887    echo "FUZZ_LDFLAGS=$FUZZ_LDFLAGS" >> $config_host_mak
7888fi
7889
7890if test "$edk2_blobs" = "yes" ; then
7891  echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7892fi
7893
7894if test "$rng_none" = "yes"; then
7895  echo "CONFIG_RNG_NONE=y" >> $config_host_mak
7896fi
7897
7898# use included Linux headers
7899if test "$linux" = "yes" ; then
7900  mkdir -p linux-headers
7901  case "$cpu" in
7902  i386|x86_64|x32)
7903    linux_arch=x86
7904    ;;
7905  ppc|ppc64|ppc64le)
7906    linux_arch=powerpc
7907    ;;
7908  s390x)
7909    linux_arch=s390
7910    ;;
7911  aarch64)
7912    linux_arch=arm64
7913    ;;
7914  mips64)
7915    linux_arch=mips
7916    ;;
7917  *)
7918    # For most CPUs the kernel architecture name and QEMU CPU name match.
7919    linux_arch="$cpu"
7920    ;;
7921  esac
7922    # For non-KVM architectures we will not have asm headers
7923    if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7924      symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7925    fi
7926fi
7927
7928for target in $target_list; do
7929target_dir="$target"
7930config_target_mak=$target_dir/config-target.mak
7931target_name=$(echo $target | cut -d '-' -f 1)
7932target_aligned_only="no"
7933case "$target_name" in
7934  alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7935  target_aligned_only="yes"
7936  ;;
7937esac
7938target_bigendian="no"
7939case "$target_name" in
7940  armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7941  target_bigendian="yes"
7942  ;;
7943esac
7944target_softmmu="no"
7945target_user_only="no"
7946target_linux_user="no"
7947target_bsd_user="no"
7948case "$target" in
7949  ${target_name}-softmmu)
7950    target_softmmu="yes"
7951    ;;
7952  ${target_name}-linux-user)
7953    target_user_only="yes"
7954    target_linux_user="yes"
7955    ;;
7956  ${target_name}-bsd-user)
7957    target_user_only="yes"
7958    target_bsd_user="yes"
7959    ;;
7960  *)
7961    error_exit "Target '$target' not recognised"
7962    exit 1
7963    ;;
7964esac
7965
7966mkdir -p $target_dir
7967echo "# Automatically generated by configure - do not modify" > $config_target_mak
7968
7969bflt="no"
7970mttcg="no"
7971interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7972gdb_xml_files=""
7973
7974TARGET_ARCH="$target_name"
7975TARGET_BASE_ARCH=""
7976TARGET_ABI_DIR=""
7977
7978case "$target_name" in
7979  i386)
7980    mttcg="yes"
7981	gdb_xml_files="i386-32bit.xml"
7982    TARGET_SYSTBL_ABI=i386
7983  ;;
7984  x86_64)
7985    TARGET_BASE_ARCH=i386
7986    TARGET_SYSTBL_ABI=common,64
7987    mttcg="yes"
7988	gdb_xml_files="i386-64bit.xml"
7989  ;;
7990  alpha)
7991    mttcg="yes"
7992    TARGET_SYSTBL_ABI=common
7993  ;;
7994  arm|armeb)
7995    TARGET_ARCH=arm
7996    TARGET_SYSTBL_ABI=common,oabi
7997    bflt="yes"
7998    mttcg="yes"
7999    gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
8000  ;;
8001  aarch64|aarch64_be)
8002    TARGET_ARCH=aarch64
8003    TARGET_BASE_ARCH=arm
8004    bflt="yes"
8005    mttcg="yes"
8006    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"
8007  ;;
8008  avr)
8009    gdb_xml_files="avr-cpu.xml"
8010    target_compiler=$cross_cc_avr
8011  ;;
8012  cris)
8013  ;;
8014  hppa)
8015    mttcg="yes"
8016    TARGET_SYSTBL_ABI=common,32
8017  ;;
8018  lm32)
8019  ;;
8020  m68k)
8021    bflt="yes"
8022    gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
8023    TARGET_SYSTBL_ABI=common
8024  ;;
8025  microblaze|microblazeel)
8026    TARGET_ARCH=microblaze
8027    TARGET_SYSTBL_ABI=common
8028    bflt="yes"
8029    echo "TARGET_ABI32=y" >> $config_target_mak
8030  ;;
8031  mips|mipsel)
8032    mttcg="yes"
8033    TARGET_ARCH=mips
8034    echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
8035    TARGET_SYSTBL_ABI=o32
8036  ;;
8037  mipsn32|mipsn32el)
8038    mttcg="yes"
8039    TARGET_ARCH=mips64
8040    TARGET_BASE_ARCH=mips
8041    echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
8042    echo "TARGET_ABI32=y" >> $config_target_mak
8043    TARGET_SYSTBL_ABI=n32
8044  ;;
8045  mips64|mips64el)
8046    mttcg="no"
8047    TARGET_ARCH=mips64
8048    TARGET_BASE_ARCH=mips
8049    echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
8050    TARGET_SYSTBL_ABI=n64
8051  ;;
8052  moxie)
8053  ;;
8054  nios2)
8055  ;;
8056  or1k)
8057    TARGET_ARCH=openrisc
8058    TARGET_BASE_ARCH=openrisc
8059  ;;
8060  ppc)
8061    gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
8062    TARGET_SYSTBL_ABI=common,nospu,32
8063  ;;
8064  ppc64)
8065    TARGET_BASE_ARCH=ppc
8066    TARGET_ABI_DIR=ppc
8067    TARGET_SYSTBL_ABI=common,nospu,64
8068    mttcg=yes
8069    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8070  ;;
8071  ppc64le)
8072    TARGET_ARCH=ppc64
8073    TARGET_BASE_ARCH=ppc
8074    TARGET_ABI_DIR=ppc
8075    TARGET_SYSTBL_ABI=common,nospu,64
8076    mttcg=yes
8077    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8078  ;;
8079  ppc64abi32)
8080    TARGET_ARCH=ppc64
8081    TARGET_BASE_ARCH=ppc
8082    TARGET_ABI_DIR=ppc
8083    TARGET_SYSTBL_ABI=common,nospu,32
8084    echo "TARGET_ABI32=y" >> $config_target_mak
8085    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8086  ;;
8087  riscv32)
8088    TARGET_BASE_ARCH=riscv
8089    TARGET_ABI_DIR=riscv
8090    mttcg=yes
8091    gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
8092  ;;
8093  riscv64)
8094    TARGET_BASE_ARCH=riscv
8095    TARGET_ABI_DIR=riscv
8096    mttcg=yes
8097    gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
8098  ;;
8099  rx)
8100    TARGET_ARCH=rx
8101    bflt="yes"
8102    target_compiler=$cross_cc_rx
8103    gdb_xml_files="rx-core.xml"
8104  ;;
8105  sh4|sh4eb)
8106    TARGET_ARCH=sh4
8107    TARGET_SYSTBL_ABI=common
8108    bflt="yes"
8109  ;;
8110  sparc)
8111    TARGET_SYSTBL_ABI=common,32
8112  ;;
8113  sparc64)
8114    TARGET_BASE_ARCH=sparc
8115    TARGET_SYSTBL_ABI=common,64
8116  ;;
8117  sparc32plus)
8118    TARGET_ARCH=sparc64
8119    TARGET_BASE_ARCH=sparc
8120    TARGET_ABI_DIR=sparc
8121    TARGET_SYSTBL_ABI=common,32
8122    echo "TARGET_ABI32=y" >> $config_target_mak
8123  ;;
8124  s390x)
8125    TARGET_SYSTBL_ABI=common,64
8126    mttcg=yes
8127    gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
8128  ;;
8129  tilegx)
8130  ;;
8131  tricore)
8132  ;;
8133  unicore32)
8134  ;;
8135  xtensa|xtensaeb)
8136    TARGET_ARCH=xtensa
8137    TARGET_SYSTBL_ABI=common
8138    bflt="yes"
8139    mttcg="yes"
8140  ;;
8141  *)
8142    error_exit "Unsupported target CPU"
8143  ;;
8144esac
8145# TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
8146if [ "$TARGET_BASE_ARCH" = "" ]; then
8147  TARGET_BASE_ARCH=$TARGET_ARCH
8148fi
8149
8150symlink "$source_path/Makefile.target" "$target_dir/Makefile"
8151
8152upper() {
8153    echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
8154}
8155
8156target_arch_name="$(upper $TARGET_ARCH)"
8157echo "TARGET_$target_arch_name=y" >> $config_target_mak
8158echo "TARGET_NAME=$target_name" >> $config_target_mak
8159echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
8160if [ "$TARGET_ABI_DIR" = "" ]; then
8161  TARGET_ABI_DIR=$TARGET_ARCH
8162fi
8163echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
8164if [ "$HOST_VARIANT_DIR" != "" ]; then
8165    echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
8166fi
8167if [ "$TARGET_SYSTBL_ABI" != "" ]; then
8168    echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
8169fi
8170
8171if supported_xen_target $target; then
8172    echo "CONFIG_XEN=y" >> $config_target_mak
8173    echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
8174    if test "$xen_pci_passthrough" = yes; then
8175        echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
8176    fi
8177else
8178    echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
8179fi
8180if supported_kvm_target $target; then
8181    echo "CONFIG_KVM=y" >> $config_target_mak
8182    echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
8183else
8184    echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
8185fi
8186if supported_hax_target $target; then
8187    echo "CONFIG_HAX=y" >> $config_target_mak
8188fi
8189if supported_hvf_target $target; then
8190    echo "CONFIG_HVF=y" >> $config_target_mak
8191fi
8192if supported_whpx_target $target; then
8193    echo "CONFIG_WHPX=y" >> $config_target_mak
8194fi
8195if test "$target_aligned_only" = "yes" ; then
8196  echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
8197fi
8198if test "$target_bigendian" = "yes" ; then
8199  echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
8200fi
8201if test "$target_softmmu" = "yes" ; then
8202  echo "CONFIG_SOFTMMU=y" >> $config_target_mak
8203  if test "$mttcg" = "yes" ; then
8204    echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
8205  fi
8206fi
8207if test "$target_user_only" = "yes" ; then
8208  echo "CONFIG_USER_ONLY=y" >> $config_target_mak
8209  echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
8210fi
8211if test "$target_linux_user" = "yes" ; then
8212  echo "CONFIG_LINUX_USER=y" >> $config_target_mak
8213fi
8214list=""
8215if test ! -z "$gdb_xml_files" ; then
8216  for x in $gdb_xml_files; do
8217    list="$list $source_path/gdb-xml/$x"
8218  done
8219  echo "TARGET_XML_FILES=$list" >> $config_target_mak
8220fi
8221
8222if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
8223  echo "TARGET_HAS_BFLT=y" >> $config_target_mak
8224fi
8225if test "$target_bsd_user" = "yes" ; then
8226  echo "CONFIG_BSD_USER=y" >> $config_target_mak
8227fi
8228
8229
8230# generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
8231
8232cflags=""
8233ldflags=""
8234
8235disas_config() {
8236  echo "CONFIG_${1}_DIS=y" >> $config_target_mak
8237  echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
8238}
8239
8240for i in $ARCH $TARGET_BASE_ARCH ; do
8241  case "$i" in
8242  alpha)
8243    disas_config "ALPHA"
8244  ;;
8245  aarch64)
8246    if test -n "${cxx}"; then
8247      disas_config "ARM_A64"
8248    fi
8249  ;;
8250  arm)
8251    disas_config "ARM"
8252    if test -n "${cxx}"; then
8253      disas_config "ARM_A64"
8254    fi
8255  ;;
8256  avr)
8257    disas_config "AVR"
8258  ;;
8259  cris)
8260    disas_config "CRIS"
8261  ;;
8262  hppa)
8263    disas_config "HPPA"
8264  ;;
8265  i386|x86_64|x32)
8266    disas_config "I386"
8267  ;;
8268  lm32)
8269    disas_config "LM32"
8270  ;;
8271  m68k)
8272    disas_config "M68K"
8273  ;;
8274  microblaze*)
8275    disas_config "MICROBLAZE"
8276  ;;
8277  mips*)
8278    disas_config "MIPS"
8279    if test -n "${cxx}"; then
8280      disas_config "NANOMIPS"
8281    fi
8282  ;;
8283  moxie*)
8284    disas_config "MOXIE"
8285  ;;
8286  nios2)
8287    disas_config "NIOS2"
8288  ;;
8289  or1k)
8290    disas_config "OPENRISC"
8291  ;;
8292  ppc*)
8293    disas_config "PPC"
8294  ;;
8295  riscv*)
8296    disas_config "RISCV"
8297  ;;
8298  rx)
8299    disas_config "RX"
8300  ;;
8301  s390*)
8302    disas_config "S390"
8303  ;;
8304  sh4)
8305    disas_config "SH4"
8306  ;;
8307  sparc*)
8308    disas_config "SPARC"
8309  ;;
8310  xtensa*)
8311    disas_config "XTENSA"
8312  ;;
8313  esac
8314done
8315if test "$tcg_interpreter" = "yes" ; then
8316  disas_config "TCI"
8317fi
8318
8319# Newer kernels on s390 check for an S390_PGSTE program header and
8320# enable the pgste page table extensions in that case. This makes
8321# the vm.allocate_pgste sysctl unnecessary. We enable this program
8322# header if
8323#  - we build on s390x
8324#  - we build the system emulation for s390x (qemu-system-s390x)
8325#  - KVM is enabled
8326#  - the linker supports --s390-pgste
8327if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
8328        test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
8329    if ld_has --s390-pgste ; then
8330        ldflags="-Wl,--s390-pgste $ldflags"
8331    fi
8332fi
8333
8334echo "QEMU_LDFLAGS+=$ldflags" >> $config_target_mak
8335echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
8336
8337done # for target in $targets
8338
8339echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
8340echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
8341
8342if [ "$fdt" = "git" ]; then
8343  echo "config-host.h: dtc/all" >> $config_host_mak
8344fi
8345if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8346  echo "config-host.h: capstone/all" >> $config_host_mak
8347fi
8348if test -n "$LIBCAPSTONE"; then
8349  echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8350fi
8351
8352if test "$numa" = "yes"; then
8353  echo "CONFIG_NUMA=y" >> $config_host_mak
8354fi
8355
8356if test "$ccache_cpp2" = "yes"; then
8357  echo "export CCACHE_CPP2=y" >> $config_host_mak
8358fi
8359
8360if test "$safe_stack" = "yes"; then
8361  echo "CONFIG_SAFESTACK=y" >> $config_host_mak
8362fi
8363
8364# If we're using a separate build tree, set it up now.
8365# DIRS are directories which we simply mkdir in the build tree;
8366# LINKS are things to symlink back into the source tree
8367# (these can be both files and directories).
8368# Caution: do not add files or directories here using wildcards. This
8369# will result in problems later if a new file matching the wildcard is
8370# added to the source tree -- nothing will cause configure to be rerun
8371# so the build tree will be missing the link back to the new file, and
8372# tests might fail. Prefer to keep the relevant files in their own
8373# directory and symlink the directory instead.
8374DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8375DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8376DIRS="$DIRS docs docs/interop fsdev scsi"
8377DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8378DIRS="$DIRS roms/seabios"
8379LINKS="Makefile"
8380LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
8381LINKS="$LINKS tests/tcg/Makefile.target tests/fp/Makefile"
8382LINKS="$LINKS tests/plugin/Makefile"
8383LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
8384LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8385LINKS="$LINKS roms/seabios/Makefile"
8386LINKS="$LINKS pc-bios/qemu-icon.bmp"
8387LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8388LINKS="$LINKS tests/acceptance tests/data"
8389LINKS="$LINKS tests/qemu-iotests/check"
8390LINKS="$LINKS python"
8391for bios_file in \
8392    $source_path/pc-bios/*.bin \
8393    $source_path/pc-bios/*.lid \
8394    $source_path/pc-bios/*.rom \
8395    $source_path/pc-bios/*.dtb \
8396    $source_path/pc-bios/*.img \
8397    $source_path/pc-bios/openbios-* \
8398    $source_path/pc-bios/u-boot.* \
8399    $source_path/pc-bios/edk2-*.fd.bz2 \
8400    $source_path/pc-bios/palcode-*
8401do
8402    LINKS="$LINKS pc-bios/$(basename $bios_file)"
8403done
8404mkdir -p $DIRS
8405for f in $LINKS ; do
8406    if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8407        symlink "$source_path/$f" "$f"
8408    fi
8409done
8410
8411(for i in $cross_cc_vars; do
8412  export $i
8413done
8414export target_list source_path use_containers
8415$source_path/tests/tcg/configure.sh)
8416
8417# temporary config to build submodules
8418for rom in seabios; do
8419    config_mak=roms/$rom/config.mak
8420    echo "# Automatically generated by configure - do not modify" > $config_mak
8421    echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8422    echo "AS=$as" >> $config_mak
8423    echo "CCAS=$ccas" >> $config_mak
8424    echo "CC=$cc" >> $config_mak
8425    echo "BCC=bcc" >> $config_mak
8426    echo "CPP=$cpp" >> $config_mak
8427    echo "OBJCOPY=objcopy" >> $config_mak
8428    echo "IASL=$iasl" >> $config_mak
8429    echo "LD=$ld" >> $config_mak
8430    echo "RANLIB=$ranlib" >> $config_mak
8431done
8432
8433# set up qemu-iotests in this build directory
8434iotests_common_env="tests/qemu-iotests/common.env"
8435
8436echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8437echo >> "$iotests_common_env"
8438echo "export PYTHON='$python'" >> "$iotests_common_env"
8439
8440if test "$skip_meson" = no; then
8441cross="config-meson.cross.new"
8442meson_quote() {
8443    echo "['$(echo $* | sed "s/ /','/g")']"
8444}
8445
8446echo "# Automatically generated by configure - do not modify" > $cross
8447echo "[properties]" >> $cross
8448test -z "$cxx" && echo "link_language = 'c'" >> $cross
8449echo "[binaries]" >> $cross
8450echo "c = $(meson_quote $cc)" >> $cross
8451test -n "$cxx" && echo "cpp = $(meson_quote $cxx)" >> $cross
8452echo "ar = $(meson_quote $ar)" >> $cross
8453echo "nm = $(meson_quote $nm)" >> $cross
8454echo "pkgconfig = $(meson_quote $pkg_config_exe)" >> $cross
8455echo "ranlib = $(meson_quote $ranlib)" >> $cross
8456echo "strip = $(meson_quote $strip)" >> $cross
8457echo "windres = $(meson_quote $windres)" >> $cross
8458if test -n "$cross_prefix"; then
8459    cross_arg="--cross-file config-meson.cross"
8460    # Hack: Meson expects an absolute path for the *build* machine
8461    # for the prefix, so add a slash in front of a Windows path that
8462    # includes a drive letter.
8463    #
8464    # See https://github.com/mesonbuild/meson/issues/7577.
8465    echo "[host_machine]" >> $cross
8466    if test "$mingw32" = "yes" ; then
8467        echo "system = 'windows'" >> $cross
8468        case $prefix in
8469            ?:*) pre_prefix=/ ;;
8470        esac
8471    fi
8472    case "$ARCH" in
8473        i386|x86_64)
8474            echo "cpu_family = 'x86'" >> $cross
8475            ;;
8476        ppc64le)
8477            echo "cpu_family = 'ppc64'" >> $cross
8478            ;;
8479        *)
8480            echo "cpu_family = '$ARCH'" >> $cross
8481            ;;
8482    esac
8483    echo "cpu = '$cpu'" >> $cross
8484    if test "$bigendian" = "yes" ; then
8485        echo "endian = 'big'" >> $cross
8486    else
8487        echo "endian = 'little'" >> $cross
8488    fi
8489else
8490    cross_arg="--native-file config-meson.cross"
8491fi
8492mv $cross config-meson.cross
8493
8494rm -rf meson-private meson-info meson-logs
8495NINJA=$PWD/ninjatool $meson setup \
8496        --prefix "${pre_prefix}$prefix" \
8497        --libdir "${pre_prefix}$libdir" \
8498        --libexecdir "${pre_prefix}$libexecdir" \
8499        --bindir "${pre_prefix}$bindir" \
8500        --includedir "${pre_prefix}$includedir" \
8501        --datadir "${pre_prefix}$datadir" \
8502        --mandir "${pre_prefix}$mandir" \
8503        --sysconfdir "${pre_prefix}$sysconfdir" \
8504        --localstatedir "${pre_prefix}$local_statedir" \
8505        -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
8506        -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
8507        -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
8508        -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
8509        -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
8510        -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
8511        $cross_arg \
8512        "$PWD" "$source_path"
8513
8514if test "$?" -ne 0 ; then
8515    error_exit "meson setup failed"
8516fi
8517touch ninjatool.stamp
8518fi
8519
8520# Save the configure command line for later reuse.
8521cat <<EOD >config.status
8522#!/bin/sh
8523# Generated by configure.
8524# Run this file to recreate the current configuration.
8525# Compiler output produced by configure, useful for debugging
8526# configure, is in config.log if it exists.
8527EOD
8528
8529preserve_env() {
8530    envname=$1
8531
8532    eval envval=\$$envname
8533
8534    if test -n "$envval"
8535    then
8536	echo "$envname='$envval'" >> config.status
8537	echo "export $envname" >> config.status
8538    else
8539	echo "unset $envname" >> config.status
8540    fi
8541}
8542
8543# Preserve various env variables that influence what
8544# features/build target configure will detect
8545preserve_env AR
8546preserve_env AS
8547preserve_env CC
8548preserve_env CPP
8549preserve_env CXX
8550preserve_env INSTALL
8551preserve_env LD
8552preserve_env LD_LIBRARY_PATH
8553preserve_env LIBTOOL
8554preserve_env MAKE
8555preserve_env NM
8556preserve_env OBJCOPY
8557preserve_env PATH
8558preserve_env PKG_CONFIG
8559preserve_env PKG_CONFIG_LIBDIR
8560preserve_env PKG_CONFIG_PATH
8561preserve_env PYTHON
8562preserve_env SDL2_CONFIG
8563preserve_env SMBD
8564preserve_env STRIP
8565preserve_env WINDRES
8566
8567printf "exec" >>config.status
8568for i in "$0" "$@"; do
8569  test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
8570done
8571echo ' "$@"' >>config.status
8572chmod +x config.status
8573
8574rm -r "$TMPDIR1"
8575