xref: /openbmc/qemu/configure (revision f15bff25f7c6843d698e122dc8d1b5927360f6c1)
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
4391if test "$attr" != "no" ; then
4392  cat > $TMPC <<EOF
4393#include <stdio.h>
4394#include <sys/types.h>
4395#ifdef CONFIG_LIBATTR
4396#include <attr/xattr.h>
4397#else
4398#include <sys/xattr.h>
4399#endif
4400int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4401EOF
4402  if compile_prog "" "" ; then
4403    attr=yes
4404  # Older distros have <attr/xattr.h>, and need -lattr:
4405  elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4406    attr=yes
4407    LIBS="-lattr $LIBS"
4408    libattr=yes
4409  else
4410    if test "$attr" = "yes" ; then
4411      feature_not_found "ATTR" "Install libc6 or libattr devel"
4412    fi
4413    attr=no
4414  fi
4415fi
4416
4417##########################################
4418# iovec probe
4419cat > $TMPC <<EOF
4420#include <sys/types.h>
4421#include <sys/uio.h>
4422#include <unistd.h>
4423int main(void) { return sizeof(struct iovec); }
4424EOF
4425iovec=no
4426if compile_prog "" "" ; then
4427  iovec=yes
4428fi
4429
4430##########################################
4431# preadv probe
4432cat > $TMPC <<EOF
4433#include <sys/types.h>
4434#include <sys/uio.h>
4435#include <unistd.h>
4436int main(void) { return preadv(0, 0, 0, 0); }
4437EOF
4438preadv=no
4439if compile_prog "" "" ; then
4440  preadv=yes
4441fi
4442
4443##########################################
4444# fdt probe
4445# fdt support is mandatory for at least some target architectures,
4446# so insist on it if we're building those system emulators.
4447fdt_required=no
4448for target in $target_list; do
4449  case $target in
4450    aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4451      fdt_required=yes
4452    ;;
4453  esac
4454done
4455
4456if test "$fdt_required" = "yes"; then
4457  if test "$fdt" = "no"; then
4458    error_exit "fdt disabled but some requested targets require it." \
4459      "You can turn off fdt only if you also disable all the system emulation" \
4460      "targets which need it (by specifying a cut down --target-list)."
4461  fi
4462  fdt=yes
4463elif test "$fdt" != "yes" ; then
4464  fdt=no
4465fi
4466
4467# fdt is only required when building softmmu targets
4468if test -z "$fdt" -a "$softmmu" != "yes" ; then
4469    fdt="no"
4470fi
4471
4472if test "$fdt" != "no" ; then
4473  fdt_libs="-lfdt"
4474  # explicitly check for libfdt_env.h as it is missing in some stable installs
4475  # and test for required functions to make sure we are on a version >= 1.4.2
4476  cat > $TMPC << EOF
4477#include <libfdt.h>
4478#include <libfdt_env.h>
4479int main(void) { fdt_check_full(NULL, 0); return 0; }
4480EOF
4481  if compile_prog "" "$fdt_libs" ; then
4482    # system DTC is good - use it
4483    fdt=system
4484  else
4485      # have GIT checkout, so activate dtc submodule
4486      if test -e "${source_path}/.git" ; then
4487          git_submodules="${git_submodules} dtc"
4488      fi
4489      if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4490          fdt=git
4491          mkdir -p dtc
4492          if [ "$pwd_is_source_path" != "y" ] ; then
4493              symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4494          fi
4495          fdt_cflags="-I${source_path}/dtc/libfdt"
4496          fdt_ldflags="-L$PWD/dtc/libfdt"
4497          fdt_libs="$fdt_libs"
4498      elif test "$fdt" = "yes" ; then
4499          # Not a git build & no libfdt found, prompt for system install
4500          error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4501                     "Please install the DTC (libfdt) devel package"
4502      else
4503          # don't have and don't want
4504          fdt_libs=
4505          fdt=no
4506      fi
4507  fi
4508fi
4509
4510libs_softmmu="$libs_softmmu $fdt_libs"
4511
4512##########################################
4513# opengl probe (for sdl2, gtk, milkymist-tmu2)
4514
4515gbm="no"
4516if $pkg_config gbm; then
4517    gbm_cflags="$($pkg_config --cflags gbm)"
4518    gbm_libs="$($pkg_config --libs gbm)"
4519    gbm="yes"
4520fi
4521
4522if test "$opengl" != "no" ; then
4523  opengl_pkgs="epoxy gbm"
4524  if $pkg_config $opengl_pkgs; then
4525    opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4526    opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4527    opengl=yes
4528    if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4529        gtk_gl="yes"
4530    fi
4531    QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4532  else
4533    if test "$opengl" = "yes" ; then
4534      feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4535    fi
4536    opengl_cflags=""
4537    opengl_libs=""
4538    opengl=no
4539  fi
4540fi
4541
4542if test "$opengl" = "yes"; then
4543  cat > $TMPC << EOF
4544#include <epoxy/egl.h>
4545#ifndef EGL_MESA_image_dma_buf_export
4546# error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4547#endif
4548int main(void) { return 0; }
4549EOF
4550  if compile_prog "" "" ; then
4551    opengl_dmabuf=yes
4552  fi
4553fi
4554
4555if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4556  for target in $target_list; do
4557    case $target in
4558      lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4559        need_x11=yes
4560      ;;
4561    esac
4562  done
4563fi
4564
4565##########################################
4566# libxml2 probe
4567if test "$libxml2" != "no" ; then
4568    if $pkg_config --exists libxml-2.0; then
4569        libxml2="yes"
4570        libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4571        libxml2_libs=$($pkg_config --libs libxml-2.0)
4572    else
4573        if test "$libxml2" = "yes"; then
4574            feature_not_found "libxml2" "Install libxml2 devel"
4575        fi
4576        libxml2="no"
4577    fi
4578fi
4579
4580##########################################
4581# glusterfs probe
4582if test "$glusterfs" != "no" ; then
4583  if $pkg_config --atleast-version=3 glusterfs-api; then
4584    glusterfs="yes"
4585    glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4586    glusterfs_libs=$($pkg_config --libs glusterfs-api)
4587    if $pkg_config --atleast-version=4 glusterfs-api; then
4588      glusterfs_xlator_opt="yes"
4589    fi
4590    if $pkg_config --atleast-version=5 glusterfs-api; then
4591      glusterfs_discard="yes"
4592    fi
4593    if $pkg_config --atleast-version=6 glusterfs-api; then
4594      glusterfs_fallocate="yes"
4595      glusterfs_zerofill="yes"
4596    fi
4597    cat > $TMPC << EOF
4598#include <glusterfs/api/glfs.h>
4599
4600int
4601main(void)
4602{
4603	/* new glfs_ftruncate() passes two additional args */
4604	return glfs_ftruncate(NULL, 0, NULL, NULL);
4605}
4606EOF
4607    if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4608      glusterfs_ftruncate_has_stat="yes"
4609    fi
4610    cat > $TMPC << EOF
4611#include <glusterfs/api/glfs.h>
4612
4613/* new glfs_io_cbk() passes two additional glfs_stat structs */
4614static void
4615glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4616{}
4617
4618int
4619main(void)
4620{
4621	glfs_io_cbk iocb = &glusterfs_iocb;
4622	iocb(NULL, 0 , NULL, NULL, NULL);
4623	return 0;
4624}
4625EOF
4626    if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4627      glusterfs_iocb_has_stat="yes"
4628    fi
4629  else
4630    if test "$glusterfs" = "yes" ; then
4631      feature_not_found "GlusterFS backend support" \
4632          "Install glusterfs-api devel >= 3"
4633    fi
4634    glusterfs="no"
4635  fi
4636fi
4637
4638# Check for inotify functions when we are building linux-user
4639# emulator.  This is done because older glibc versions don't
4640# have syscall stubs for these implemented.  In that case we
4641# don't provide them even if kernel supports them.
4642#
4643inotify=no
4644cat > $TMPC << EOF
4645#include <sys/inotify.h>
4646
4647int
4648main(void)
4649{
4650	/* try to start inotify */
4651	return inotify_init();
4652}
4653EOF
4654if compile_prog "" "" ; then
4655  inotify=yes
4656fi
4657
4658inotify1=no
4659cat > $TMPC << EOF
4660#include <sys/inotify.h>
4661
4662int
4663main(void)
4664{
4665    /* try to start inotify */
4666    return inotify_init1(0);
4667}
4668EOF
4669if compile_prog "" "" ; then
4670  inotify1=yes
4671fi
4672
4673# check if pipe2 is there
4674pipe2=no
4675cat > $TMPC << EOF
4676#include <unistd.h>
4677#include <fcntl.h>
4678
4679int main(void)
4680{
4681    int pipefd[2];
4682    return pipe2(pipefd, O_CLOEXEC);
4683}
4684EOF
4685if compile_prog "" "" ; then
4686  pipe2=yes
4687fi
4688
4689# check if accept4 is there
4690accept4=no
4691cat > $TMPC << EOF
4692#include <sys/socket.h>
4693#include <stddef.h>
4694
4695int main(void)
4696{
4697    accept4(0, NULL, NULL, SOCK_CLOEXEC);
4698    return 0;
4699}
4700EOF
4701if compile_prog "" "" ; then
4702  accept4=yes
4703fi
4704
4705# check if tee/splice is there. vmsplice was added same time.
4706splice=no
4707cat > $TMPC << EOF
4708#include <unistd.h>
4709#include <fcntl.h>
4710#include <limits.h>
4711
4712int main(void)
4713{
4714    int len, fd = 0;
4715    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4716    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4717    return 0;
4718}
4719EOF
4720if compile_prog "" "" ; then
4721  splice=yes
4722fi
4723
4724##########################################
4725# libnuma probe
4726
4727if test "$numa" != "no" ; then
4728  cat > $TMPC << EOF
4729#include <numa.h>
4730int main(void) { return numa_available(); }
4731EOF
4732
4733  if compile_prog "" "-lnuma" ; then
4734    numa=yes
4735    libs_softmmu="-lnuma $libs_softmmu"
4736  else
4737    if test "$numa" = "yes" ; then
4738      feature_not_found "numa" "install numactl devel"
4739    fi
4740    numa=no
4741  fi
4742fi
4743
4744if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4745    echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4746    exit 1
4747fi
4748
4749# Even if malloc_trim() is available, these non-libc memory allocators
4750# do not support it.
4751if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4752    if test "$malloc_trim" = "yes" ; then
4753        echo "Disabling malloc_trim with non-libc memory allocator"
4754    fi
4755    malloc_trim="no"
4756fi
4757
4758#######################################
4759# malloc_trim
4760
4761if test "$malloc_trim" != "no" ; then
4762    cat > $TMPC << EOF
4763#include <malloc.h>
4764int main(void) { malloc_trim(0); return 0; }
4765EOF
4766    if compile_prog "" "" ; then
4767        malloc_trim="yes"
4768    else
4769        malloc_trim="no"
4770    fi
4771fi
4772
4773##########################################
4774# tcmalloc probe
4775
4776if test "$tcmalloc" = "yes" ; then
4777  cat > $TMPC << EOF
4778#include <stdlib.h>
4779int main(void) {
4780    void *tmp = malloc(1);
4781    if (tmp != NULL) {
4782        return 0;
4783    }
4784    return 1;
4785}
4786EOF
4787
4788  if compile_prog "" "-ltcmalloc" ; then
4789    LIBS="-ltcmalloc $LIBS"
4790  else
4791    feature_not_found "tcmalloc" "install gperftools devel"
4792  fi
4793fi
4794
4795##########################################
4796# jemalloc probe
4797
4798if test "$jemalloc" = "yes" ; then
4799  cat > $TMPC << EOF
4800#include <stdlib.h>
4801int main(void) {
4802    void *tmp = malloc(1);
4803    if (tmp != NULL) {
4804        return 0;
4805    }
4806    return 1;
4807}
4808EOF
4809
4810  if compile_prog "" "-ljemalloc" ; then
4811    LIBS="-ljemalloc $LIBS"
4812  else
4813    feature_not_found "jemalloc" "install jemalloc devel"
4814  fi
4815fi
4816
4817##########################################
4818# signalfd probe
4819signalfd="no"
4820cat > $TMPC << EOF
4821#include <unistd.h>
4822#include <sys/syscall.h>
4823#include <signal.h>
4824int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4825EOF
4826
4827if compile_prog "" "" ; then
4828  signalfd=yes
4829fi
4830
4831# check if optreset global is declared by <getopt.h>
4832optreset="no"
4833cat > $TMPC << EOF
4834#include <getopt.h>
4835int main(void) { return optreset; }
4836EOF
4837
4838if compile_prog "" "" ; then
4839  optreset=yes
4840fi
4841
4842# check if eventfd is supported
4843eventfd=no
4844cat > $TMPC << EOF
4845#include <sys/eventfd.h>
4846
4847int main(void)
4848{
4849    return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4850}
4851EOF
4852if compile_prog "" "" ; then
4853  eventfd=yes
4854fi
4855
4856# check if memfd is supported
4857memfd=no
4858cat > $TMPC << EOF
4859#include <sys/mman.h>
4860
4861int main(void)
4862{
4863    return memfd_create("foo", MFD_ALLOW_SEALING);
4864}
4865EOF
4866if compile_prog "" "" ; then
4867  memfd=yes
4868fi
4869
4870# check for usbfs
4871have_usbfs=no
4872if test "$linux_user" = "yes"; then
4873  cat > $TMPC << EOF
4874#include <linux/usbdevice_fs.h>
4875
4876#ifndef USBDEVFS_GET_CAPABILITIES
4877#error "USBDEVFS_GET_CAPABILITIES undefined"
4878#endif
4879
4880#ifndef USBDEVFS_DISCONNECT_CLAIM
4881#error "USBDEVFS_DISCONNECT_CLAIM undefined"
4882#endif
4883
4884int main(void)
4885{
4886    return 0;
4887}
4888EOF
4889  if compile_prog "" ""; then
4890    have_usbfs=yes
4891  fi
4892fi
4893
4894# check for fallocate
4895fallocate=no
4896cat > $TMPC << EOF
4897#include <fcntl.h>
4898
4899int main(void)
4900{
4901    fallocate(0, 0, 0, 0);
4902    return 0;
4903}
4904EOF
4905if compile_prog "" "" ; then
4906  fallocate=yes
4907fi
4908
4909# check for fallocate hole punching
4910fallocate_punch_hole=no
4911cat > $TMPC << EOF
4912#include <fcntl.h>
4913#include <linux/falloc.h>
4914
4915int main(void)
4916{
4917    fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4918    return 0;
4919}
4920EOF
4921if compile_prog "" "" ; then
4922  fallocate_punch_hole=yes
4923fi
4924
4925# check that fallocate supports range zeroing inside the file
4926fallocate_zero_range=no
4927cat > $TMPC << EOF
4928#include <fcntl.h>
4929#include <linux/falloc.h>
4930
4931int main(void)
4932{
4933    fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4934    return 0;
4935}
4936EOF
4937if compile_prog "" "" ; then
4938  fallocate_zero_range=yes
4939fi
4940
4941# check for posix_fallocate
4942posix_fallocate=no
4943cat > $TMPC << EOF
4944#include <fcntl.h>
4945
4946int main(void)
4947{
4948    posix_fallocate(0, 0, 0);
4949    return 0;
4950}
4951EOF
4952if compile_prog "" "" ; then
4953    posix_fallocate=yes
4954fi
4955
4956# check for sync_file_range
4957sync_file_range=no
4958cat > $TMPC << EOF
4959#include <fcntl.h>
4960
4961int main(void)
4962{
4963    sync_file_range(0, 0, 0, 0);
4964    return 0;
4965}
4966EOF
4967if compile_prog "" "" ; then
4968  sync_file_range=yes
4969fi
4970
4971# check for linux/fiemap.h and FS_IOC_FIEMAP
4972fiemap=no
4973cat > $TMPC << EOF
4974#include <sys/ioctl.h>
4975#include <linux/fs.h>
4976#include <linux/fiemap.h>
4977
4978int main(void)
4979{
4980    ioctl(0, FS_IOC_FIEMAP, 0);
4981    return 0;
4982}
4983EOF
4984if compile_prog "" "" ; then
4985  fiemap=yes
4986fi
4987
4988# check for dup3
4989dup3=no
4990cat > $TMPC << EOF
4991#include <unistd.h>
4992
4993int main(void)
4994{
4995    dup3(0, 0, 0);
4996    return 0;
4997}
4998EOF
4999if compile_prog "" "" ; then
5000  dup3=yes
5001fi
5002
5003# check for ppoll support
5004ppoll=no
5005cat > $TMPC << EOF
5006#include <poll.h>
5007
5008int main(void)
5009{
5010    struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
5011    ppoll(&pfd, 1, 0, 0);
5012    return 0;
5013}
5014EOF
5015if compile_prog "" "" ; then
5016  ppoll=yes
5017fi
5018
5019# check for prctl(PR_SET_TIMERSLACK , ... ) support
5020prctl_pr_set_timerslack=no
5021cat > $TMPC << EOF
5022#include <sys/prctl.h>
5023
5024int main(void)
5025{
5026    prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
5027    return 0;
5028}
5029EOF
5030if compile_prog "" "" ; then
5031  prctl_pr_set_timerslack=yes
5032fi
5033
5034# check for epoll support
5035epoll=no
5036cat > $TMPC << EOF
5037#include <sys/epoll.h>
5038
5039int main(void)
5040{
5041    epoll_create(0);
5042    return 0;
5043}
5044EOF
5045if compile_prog "" "" ; then
5046  epoll=yes
5047fi
5048
5049# epoll_create1 is a later addition
5050# so we must check separately for its presence
5051epoll_create1=no
5052cat > $TMPC << EOF
5053#include <sys/epoll.h>
5054
5055int main(void)
5056{
5057    /* Note that we use epoll_create1 as a value, not as
5058     * a function being called. This is necessary so that on
5059     * old SPARC glibc versions where the function was present in
5060     * the library but not declared in the header file we will
5061     * fail the configure check. (Otherwise we will get a compiler
5062     * warning but not an error, and will proceed to fail the
5063     * qemu compile where we compile with -Werror.)
5064     */
5065    return (int)(uintptr_t)&epoll_create1;
5066}
5067EOF
5068if compile_prog "" "" ; then
5069  epoll_create1=yes
5070fi
5071
5072# check for sendfile support
5073sendfile=no
5074cat > $TMPC << EOF
5075#include <sys/sendfile.h>
5076
5077int main(void)
5078{
5079    return sendfile(0, 0, 0, 0);
5080}
5081EOF
5082if compile_prog "" "" ; then
5083  sendfile=yes
5084fi
5085
5086# check for timerfd support (glibc 2.8 and newer)
5087timerfd=no
5088cat > $TMPC << EOF
5089#include <sys/timerfd.h>
5090
5091int main(void)
5092{
5093    return(timerfd_create(CLOCK_REALTIME, 0));
5094}
5095EOF
5096if compile_prog "" "" ; then
5097  timerfd=yes
5098fi
5099
5100# check for setns and unshare support
5101setns=no
5102cat > $TMPC << EOF
5103#include <sched.h>
5104
5105int main(void)
5106{
5107    int ret;
5108    ret = setns(0, 0);
5109    ret = unshare(0);
5110    return ret;
5111}
5112EOF
5113if compile_prog "" "" ; then
5114  setns=yes
5115fi
5116
5117# clock_adjtime probe
5118clock_adjtime=no
5119cat > $TMPC <<EOF
5120#include <time.h>
5121
5122int main(void)
5123{
5124    return clock_adjtime(0, 0);
5125}
5126EOF
5127clock_adjtime=no
5128if compile_prog "" "" ; then
5129  clock_adjtime=yes
5130fi
5131
5132# syncfs probe
5133syncfs=no
5134cat > $TMPC <<EOF
5135#include <unistd.h>
5136
5137int main(void)
5138{
5139    return syncfs(0);
5140}
5141EOF
5142syncfs=no
5143if compile_prog "" "" ; then
5144  syncfs=yes
5145fi
5146
5147# check for kcov support (kernel must be 4.4+, compiled with certain options)
5148kcov=no
5149if check_include sys/kcov.h ; then
5150    kcov=yes
5151fi
5152
5153# If we're making warnings fatal, apply this to Sphinx runs as well
5154sphinx_werror=""
5155if test "$werror" = "yes"; then
5156    sphinx_werror="-W"
5157fi
5158
5159# Check we have a new enough version of sphinx-build
5160has_sphinx_build() {
5161    # This is a bit awkward but works: create a trivial document and
5162    # try to run it with our configuration file (which enforces a
5163    # version requirement). This will fail if either
5164    # sphinx-build doesn't exist at all or if it is too old.
5165    mkdir -p "$TMPDIR1/sphinx"
5166    touch "$TMPDIR1/sphinx/index.rst"
5167    "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
5168                    -b html "$TMPDIR1/sphinx" \
5169                    "$TMPDIR1/sphinx/out"  >> config.log 2>&1
5170}
5171
5172# Check if tools are available to build documentation.
5173if test "$docs" != "no" ; then
5174  if has_sphinx_build; then
5175    sphinx_ok=yes
5176  else
5177    sphinx_ok=no
5178  fi
5179  if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
5180    docs=yes
5181  else
5182    if test "$docs" = "yes" ; then
5183      if has $sphinx_build && test "$sphinx_ok" != "yes"; then
5184        echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
5185      fi
5186      feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
5187    fi
5188    docs=no
5189  fi
5190fi
5191
5192# Search for bswap_32 function
5193byteswap_h=no
5194cat > $TMPC << EOF
5195#include <byteswap.h>
5196int main(void) { return bswap_32(0); }
5197EOF
5198if compile_prog "" "" ; then
5199  byteswap_h=yes
5200fi
5201
5202# Search for bswap32 function
5203bswap_h=no
5204cat > $TMPC << EOF
5205#include <sys/endian.h>
5206#include <sys/types.h>
5207#include <machine/bswap.h>
5208int main(void) { return bswap32(0); }
5209EOF
5210if compile_prog "" "" ; then
5211  bswap_h=yes
5212fi
5213
5214##########################################
5215# Do we have libiscsi >= 1.9.0
5216if test "$libiscsi" != "no" ; then
5217  if $pkg_config --atleast-version=1.9.0 libiscsi; then
5218    libiscsi="yes"
5219    libiscsi_cflags=$($pkg_config --cflags libiscsi)
5220    libiscsi_libs=$($pkg_config --libs libiscsi)
5221  else
5222    if test "$libiscsi" = "yes" ; then
5223      feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
5224    fi
5225    libiscsi="no"
5226  fi
5227fi
5228
5229##########################################
5230# Do we need libm
5231cat > $TMPC << EOF
5232#include <math.h>
5233int main(int argc, char **argv) { return isnan(sin((double)argc)); }
5234EOF
5235if compile_prog "" "" ; then
5236  :
5237elif compile_prog "" "-lm" ; then
5238  LIBS="-lm $LIBS"
5239else
5240  error_exit "libm check failed"
5241fi
5242
5243##########################################
5244# Do we need librt
5245# uClibc provides 2 versions of clock_gettime(), one with realtime
5246# support and one without. This means that the clock_gettime() don't
5247# need -lrt. We still need it for timer_create() so we check for this
5248# function in addition.
5249cat > $TMPC <<EOF
5250#include <signal.h>
5251#include <time.h>
5252int main(void) {
5253  timer_create(CLOCK_REALTIME, NULL, NULL);
5254  return clock_gettime(CLOCK_REALTIME, NULL);
5255}
5256EOF
5257
5258if compile_prog "" "" ; then
5259  :
5260# we need pthread for static linking. use previous pthread test result
5261elif compile_prog "" "$pthread_lib -lrt" ; then
5262  LIBS="$LIBS -lrt"
5263fi
5264
5265# Check whether we need to link libutil for openpty()
5266cat > $TMPC << EOF
5267extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
5268int main(void) { return openpty(0, 0, 0, 0, 0); }
5269EOF
5270
5271have_openpty="no"
5272if compile_prog "" "" ; then
5273  have_openpty="yes"
5274else
5275  if compile_prog "" "-lutil" ; then
5276    libs_softmmu="-lutil $libs_softmmu"
5277    libs_tools="-lutil $libs_tools"
5278    have_openpty="yes"
5279  fi
5280fi
5281
5282##########################################
5283# spice probe
5284if test "$spice" != "no" ; then
5285  cat > $TMPC << EOF
5286#include <spice.h>
5287int main(void) { spice_server_new(); return 0; }
5288EOF
5289  spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
5290  spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
5291  if $pkg_config --atleast-version=0.12.5 spice-server && \
5292     $pkg_config --atleast-version=0.12.3 spice-protocol && \
5293     compile_prog "$spice_cflags" "$spice_libs" ; then
5294    spice="yes"
5295    libs_softmmu="$libs_softmmu $spice_libs"
5296    QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
5297  else
5298    if test "$spice" = "yes" ; then
5299      feature_not_found "spice" \
5300          "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
5301    fi
5302    spice="no"
5303  fi
5304fi
5305
5306# check for smartcard support
5307if test "$smartcard" != "no"; then
5308    if $pkg_config --atleast-version=2.5.1 libcacard; then
5309        libcacard_cflags=$($pkg_config --cflags libcacard)
5310        libcacard_libs=$($pkg_config --libs libcacard)
5311        smartcard="yes"
5312    else
5313        if test "$smartcard" = "yes"; then
5314            feature_not_found "smartcard" "Install libcacard devel"
5315        fi
5316        smartcard="no"
5317    fi
5318fi
5319
5320# check for libusb
5321if test "$libusb" != "no" ; then
5322    if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
5323        libusb="yes"
5324        libusb_cflags=$($pkg_config --cflags libusb-1.0)
5325        libusb_libs=$($pkg_config --libs libusb-1.0)
5326    else
5327        if test "$libusb" = "yes"; then
5328            feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5329        fi
5330        libusb="no"
5331    fi
5332fi
5333
5334# check for usbredirparser for usb network redirection support
5335if test "$usb_redir" != "no" ; then
5336    if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5337        usb_redir="yes"
5338        usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5339        usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5340    else
5341        if test "$usb_redir" = "yes"; then
5342            feature_not_found "usb-redir" "Install usbredir devel"
5343        fi
5344        usb_redir="no"
5345    fi
5346fi
5347
5348##########################################
5349# check if we have VSS SDK headers for win
5350
5351if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5352        test "$vss_win32_sdk" != "no" ; then
5353  case "$vss_win32_sdk" in
5354    "")   vss_win32_include="-isystem $source_path" ;;
5355    *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5356          # handle path with spaces. So we symlink the headers into ".sdk/vss".
5357          vss_win32_include="-isystem $source_path/.sdk/vss"
5358	  symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5359	  ;;
5360    *)    vss_win32_include="-isystem $vss_win32_sdk"
5361  esac
5362  cat > $TMPC << EOF
5363#define __MIDL_user_allocate_free_DEFINED__
5364#include <inc/win2003/vss.h>
5365int main(void) { return VSS_CTX_BACKUP; }
5366EOF
5367  if compile_prog "$vss_win32_include" "" ; then
5368    guest_agent_with_vss="yes"
5369    QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5370    libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5371    qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5372  else
5373    if test "$vss_win32_sdk" != "" ; then
5374      echo "ERROR: Please download and install Microsoft VSS SDK:"
5375      echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5376      echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5377      echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5378      echo "ERROR: The headers are extracted in the directory \`inc'."
5379      feature_not_found "VSS support"
5380    fi
5381    guest_agent_with_vss="no"
5382  fi
5383fi
5384
5385##########################################
5386# lookup Windows platform SDK (if not specified)
5387# The SDK is needed only to build .tlb (type library) file of guest agent
5388# VSS provider from the source. It is usually unnecessary because the
5389# pre-compiled .tlb file is included.
5390
5391if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5392        test "$guest_agent_with_vss" = "yes" ; then
5393  if test -z "$win_sdk"; then
5394    programfiles="$PROGRAMFILES"
5395    test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5396    if test -n "$programfiles"; then
5397      win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5398    else
5399      feature_not_found "Windows SDK"
5400    fi
5401  elif test "$win_sdk" = "no"; then
5402    win_sdk=""
5403  fi
5404fi
5405
5406##########################################
5407# check if mingw environment provides a recent ntddscsi.h
5408if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5409  cat > $TMPC << EOF
5410#include <windows.h>
5411#include <ntddscsi.h>
5412int main(void) {
5413#if !defined(IOCTL_SCSI_GET_ADDRESS)
5414#error Missing required ioctl definitions
5415#endif
5416  SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5417  return addr.Lun;
5418}
5419EOF
5420  if compile_prog "" "" ; then
5421    guest_agent_ntddscsi=yes
5422    libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5423  fi
5424fi
5425
5426##########################################
5427# virgl renderer probe
5428
5429if test "$virglrenderer" != "no" ; then
5430  cat > $TMPC << EOF
5431#include <virglrenderer.h>
5432int main(void) { virgl_renderer_poll(); return 0; }
5433EOF
5434  virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5435  virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5436  virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5437  if $pkg_config virglrenderer >/dev/null 2>&1 && \
5438     compile_prog "$virgl_cflags" "$virgl_libs" ; then
5439    virglrenderer="yes"
5440  else
5441    if test "$virglrenderer" = "yes" ; then
5442      feature_not_found "virglrenderer"
5443    fi
5444    virglrenderer="no"
5445  fi
5446fi
5447
5448##########################################
5449# capstone
5450
5451case "$capstone" in
5452  "" | yes)
5453    if $pkg_config capstone; then
5454      capstone=system
5455    elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5456      capstone=git
5457    elif test -e "${source_path}/capstone/Makefile" ; then
5458      capstone=internal
5459    elif test -z "$capstone" ; then
5460      capstone=no
5461    else
5462      feature_not_found "capstone" "Install capstone devel or git submodule"
5463    fi
5464    ;;
5465
5466  system)
5467    if ! $pkg_config capstone; then
5468      feature_not_found "capstone" "Install capstone devel"
5469    fi
5470    ;;
5471esac
5472
5473case "$capstone" in
5474  git | internal)
5475    if test "$capstone" = git; then
5476      git_submodules="${git_submodules} capstone"
5477    fi
5478    mkdir -p capstone
5479    QEMU_CFLAGS="$QEMU_CFLAGS -I${source_path}/capstone/include"
5480    if test "$mingw32" = "yes"; then
5481      LIBCAPSTONE=capstone.lib
5482    else
5483      LIBCAPSTONE=libcapstone.a
5484    fi
5485    libs_cpu="-L$PWD/capstone -lcapstone $libs_cpu"
5486    ;;
5487
5488  system)
5489    QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5490    libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5491    ;;
5492
5493  no)
5494    ;;
5495  *)
5496    error_exit "Unknown state for capstone: $capstone"
5497    ;;
5498esac
5499
5500##########################################
5501# check if we have fdatasync
5502
5503fdatasync=no
5504cat > $TMPC << EOF
5505#include <unistd.h>
5506int main(void) {
5507#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5508return fdatasync(0);
5509#else
5510#error Not supported
5511#endif
5512}
5513EOF
5514if compile_prog "" "" ; then
5515    fdatasync=yes
5516fi
5517
5518##########################################
5519# check if we have madvise
5520
5521madvise=no
5522cat > $TMPC << EOF
5523#include <sys/types.h>
5524#include <sys/mman.h>
5525#include <stddef.h>
5526int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5527EOF
5528if compile_prog "" "" ; then
5529    madvise=yes
5530fi
5531
5532##########################################
5533# check if we have posix_madvise
5534
5535posix_madvise=no
5536cat > $TMPC << EOF
5537#include <sys/mman.h>
5538#include <stddef.h>
5539int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5540EOF
5541if compile_prog "" "" ; then
5542    posix_madvise=yes
5543fi
5544
5545##########################################
5546# check if we have posix_memalign()
5547
5548posix_memalign=no
5549cat > $TMPC << EOF
5550#include <stdlib.h>
5551int main(void) {
5552    void *p;
5553    return posix_memalign(&p, 8, 8);
5554}
5555EOF
5556if compile_prog "" "" ; then
5557    posix_memalign=yes
5558fi
5559
5560##########################################
5561# check if we have posix_syslog
5562
5563posix_syslog=no
5564cat > $TMPC << EOF
5565#include <syslog.h>
5566int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5567EOF
5568if compile_prog "" "" ; then
5569    posix_syslog=yes
5570fi
5571
5572##########################################
5573# check if we have sem_timedwait
5574
5575sem_timedwait=no
5576cat > $TMPC << EOF
5577#include <semaphore.h>
5578int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5579EOF
5580if compile_prog "" "" ; then
5581    sem_timedwait=yes
5582fi
5583
5584##########################################
5585# check if we have strchrnul
5586
5587strchrnul=no
5588cat > $TMPC << EOF
5589#include <string.h>
5590int main(void);
5591// Use a haystack that the compiler shouldn't be able to constant fold
5592char *haystack = (char*)&main;
5593int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5594EOF
5595if compile_prog "" "" ; then
5596    strchrnul=yes
5597fi
5598
5599#########################################
5600# check if we have st_atim
5601
5602st_atim=no
5603cat > $TMPC << EOF
5604#include <sys/stat.h>
5605#include <stddef.h>
5606int main(void) { return offsetof(struct stat, st_atim); }
5607EOF
5608if compile_prog "" "" ; then
5609    st_atim=yes
5610fi
5611
5612##########################################
5613# check if trace backend exists
5614
5615$python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5616if test "$?" -ne 0 ; then
5617  error_exit "invalid trace backends" \
5618      "Please choose supported trace backends."
5619fi
5620
5621##########################################
5622# For 'ust' backend, test if ust headers are present
5623if have_backend "ust"; then
5624  cat > $TMPC << EOF
5625#include <lttng/tracepoint.h>
5626int main(void) { return 0; }
5627EOF
5628  if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5629    if $pkg_config lttng-ust --exists; then
5630      lttng_ust_libs=$($pkg_config --libs lttng-ust)
5631    else
5632      lttng_ust_libs="-llttng-ust -ldl"
5633    fi
5634    if $pkg_config liburcu-bp --exists; then
5635      urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5636    else
5637      urcu_bp_libs="-lurcu-bp"
5638    fi
5639
5640    LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5641  else
5642    error_exit "Trace backend 'ust' missing lttng-ust header files"
5643  fi
5644fi
5645
5646##########################################
5647# For 'dtrace' backend, test if 'dtrace' command is present
5648if have_backend "dtrace"; then
5649  if ! has 'dtrace' ; then
5650    error_exit "dtrace command is not found in PATH $PATH"
5651  fi
5652  trace_backend_stap="no"
5653  if has 'stap' ; then
5654    trace_backend_stap="yes"
5655  fi
5656fi
5657
5658##########################################
5659# check and set a backend for coroutine
5660
5661# We prefer ucontext, but it's not always possible. The fallback
5662# is sigcontext. On Windows the only valid backend is the Windows
5663# specific one.
5664
5665ucontext_works=no
5666if test "$darwin" != "yes"; then
5667  cat > $TMPC << EOF
5668#include <ucontext.h>
5669#ifdef __stub_makecontext
5670#error Ignoring glibc stub makecontext which will always fail
5671#endif
5672int main(void) { makecontext(0, 0, 0); return 0; }
5673EOF
5674  if compile_prog "" "" ; then
5675    ucontext_works=yes
5676  fi
5677fi
5678
5679if test "$coroutine" = ""; then
5680  if test "$mingw32" = "yes"; then
5681    coroutine=win32
5682  elif test "$ucontext_works" = "yes"; then
5683    coroutine=ucontext
5684  else
5685    coroutine=sigaltstack
5686  fi
5687else
5688  case $coroutine in
5689  windows)
5690    if test "$mingw32" != "yes"; then
5691      error_exit "'windows' coroutine backend only valid for Windows"
5692    fi
5693    # Unfortunately the user visible backend name doesn't match the
5694    # coroutine-*.c filename for this case, so we have to adjust it here.
5695    coroutine=win32
5696    ;;
5697  ucontext)
5698    if test "$ucontext_works" != "yes"; then
5699      feature_not_found "ucontext"
5700    fi
5701    ;;
5702  sigaltstack)
5703    if test "$mingw32" = "yes"; then
5704      error_exit "only the 'windows' coroutine backend is valid for Windows"
5705    fi
5706    ;;
5707  *)
5708    error_exit "unknown coroutine backend $coroutine"
5709    ;;
5710  esac
5711fi
5712
5713if test "$coroutine_pool" = ""; then
5714  coroutine_pool=yes
5715fi
5716
5717if test "$debug_stack_usage" = "yes"; then
5718  if test "$coroutine_pool" = "yes"; then
5719    echo "WARN: disabling coroutine pool for stack usage debugging"
5720    coroutine_pool=no
5721  fi
5722fi
5723
5724##################################################
5725# SafeStack
5726
5727
5728if test "$safe_stack" = "yes"; then
5729cat > $TMPC << EOF
5730int main(int argc, char *argv[])
5731{
5732#if ! __has_feature(safe_stack)
5733#error SafeStack Disabled
5734#endif
5735    return 0;
5736}
5737EOF
5738  flag="-fsanitize=safe-stack"
5739  # Check that safe-stack is supported and enabled.
5740  if compile_prog "-Werror $flag" "$flag"; then
5741    # Flag needed both at compilation and at linking
5742    QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5743    QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5744  else
5745    error_exit "SafeStack not supported by your compiler"
5746  fi
5747  if test "$coroutine" != "ucontext"; then
5748    error_exit "SafeStack is only supported by the coroutine backend ucontext"
5749  fi
5750else
5751cat > $TMPC << EOF
5752int main(int argc, char *argv[])
5753{
5754#if defined(__has_feature)
5755#if __has_feature(safe_stack)
5756#error SafeStack Enabled
5757#endif
5758#endif
5759    return 0;
5760}
5761EOF
5762if test "$safe_stack" = "no"; then
5763  # Make sure that safe-stack is disabled
5764  if ! compile_prog "-Werror" ""; then
5765    # SafeStack was already enabled, try to explicitly remove the feature
5766    flag="-fno-sanitize=safe-stack"
5767    if ! compile_prog "-Werror $flag" "$flag"; then
5768      error_exit "Configure cannot disable SafeStack"
5769    fi
5770    QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5771    QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5772  fi
5773else # "$safe_stack" = ""
5774  # Set safe_stack to yes or no based on pre-existing flags
5775  if compile_prog "-Werror" ""; then
5776    safe_stack="no"
5777  else
5778    safe_stack="yes"
5779    if test "$coroutine" != "ucontext"; then
5780      error_exit "SafeStack is only supported by the coroutine backend ucontext"
5781    fi
5782  fi
5783fi
5784fi
5785
5786##########################################
5787# check if we have open_by_handle_at
5788
5789open_by_handle_at=no
5790cat > $TMPC << EOF
5791#include <fcntl.h>
5792#if !defined(AT_EMPTY_PATH)
5793# error missing definition
5794#else
5795int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5796#endif
5797EOF
5798if compile_prog "" "" ; then
5799    open_by_handle_at=yes
5800fi
5801
5802########################################
5803# check if we have linux/magic.h
5804
5805linux_magic_h=no
5806cat > $TMPC << EOF
5807#include <linux/magic.h>
5808int main(void) {
5809  return 0;
5810}
5811EOF
5812if compile_prog "" "" ; then
5813    linux_magic_h=yes
5814fi
5815
5816########################################
5817# check if we have valgrind/valgrind.h
5818
5819valgrind_h=no
5820cat > $TMPC << EOF
5821#include <valgrind/valgrind.h>
5822int main(void) {
5823  return 0;
5824}
5825EOF
5826if compile_prog "" "" ; then
5827    valgrind_h=yes
5828fi
5829
5830########################################
5831# check if environ is declared
5832
5833has_environ=no
5834cat > $TMPC << EOF
5835#include <unistd.h>
5836int main(void) {
5837    environ = 0;
5838    return 0;
5839}
5840EOF
5841if compile_prog "" "" ; then
5842    has_environ=yes
5843fi
5844
5845########################################
5846# check if cpuid.h is usable.
5847
5848cat > $TMPC << EOF
5849#include <cpuid.h>
5850int main(void) {
5851    unsigned a, b, c, d;
5852    int max = __get_cpuid_max(0, 0);
5853
5854    if (max >= 1) {
5855        __cpuid(1, a, b, c, d);
5856    }
5857
5858    if (max >= 7) {
5859        __cpuid_count(7, 0, a, b, c, d);
5860    }
5861
5862    return 0;
5863}
5864EOF
5865if compile_prog "" "" ; then
5866    cpuid_h=yes
5867fi
5868
5869##########################################
5870# avx2 optimization requirement check
5871#
5872# There is no point enabling this if cpuid.h is not usable,
5873# since we won't be able to select the new routines.
5874
5875if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5876  cat > $TMPC << EOF
5877#pragma GCC push_options
5878#pragma GCC target("avx2")
5879#include <cpuid.h>
5880#include <immintrin.h>
5881static int bar(void *a) {
5882    __m256i x = *(__m256i *)a;
5883    return _mm256_testz_si256(x, x);
5884}
5885int main(int argc, char *argv[]) { return bar(argv[0]); }
5886EOF
5887  if compile_object "" ; then
5888    avx2_opt="yes"
5889  else
5890    avx2_opt="no"
5891  fi
5892fi
5893
5894##########################################
5895# avx512f optimization requirement check
5896#
5897# There is no point enabling this if cpuid.h is not usable,
5898# since we won't be able to select the new routines.
5899# by default, it is turned off.
5900# if user explicitly want to enable it, check environment
5901
5902if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5903  cat > $TMPC << EOF
5904#pragma GCC push_options
5905#pragma GCC target("avx512f")
5906#include <cpuid.h>
5907#include <immintrin.h>
5908static int bar(void *a) {
5909    __m512i x = *(__m512i *)a;
5910    return _mm512_test_epi64_mask(x, x);
5911}
5912int main(int argc, char *argv[])
5913{
5914	return bar(argv[0]);
5915}
5916EOF
5917  if ! compile_object "" ; then
5918    avx512f_opt="no"
5919  fi
5920else
5921  avx512f_opt="no"
5922fi
5923
5924########################################
5925# check if __[u]int128_t is usable.
5926
5927int128=no
5928cat > $TMPC << EOF
5929__int128_t a;
5930__uint128_t b;
5931int main (void) {
5932  a = a + b;
5933  b = a * b;
5934  a = a * a;
5935  return 0;
5936}
5937EOF
5938if compile_prog "" "" ; then
5939    int128=yes
5940fi
5941
5942#########################################
5943# See if 128-bit atomic operations are supported.
5944
5945atomic128=no
5946if test "$int128" = "yes"; then
5947  cat > $TMPC << EOF
5948int main(void)
5949{
5950  unsigned __int128 x = 0, y = 0;
5951  y = __atomic_load_16(&x, 0);
5952  __atomic_store_16(&x, y, 0);
5953  __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5954  return 0;
5955}
5956EOF
5957  if compile_prog "" "" ; then
5958    atomic128=yes
5959  fi
5960fi
5961
5962cmpxchg128=no
5963if test "$int128" = yes && test "$atomic128" = no; then
5964  cat > $TMPC << EOF
5965int main(void)
5966{
5967  unsigned __int128 x = 0, y = 0;
5968  __sync_val_compare_and_swap_16(&x, y, x);
5969  return 0;
5970}
5971EOF
5972  if compile_prog "" "" ; then
5973    cmpxchg128=yes
5974  fi
5975fi
5976
5977#########################################
5978# See if 64-bit atomic operations are supported.
5979# Note that without __atomic builtins, we can only
5980# assume atomic loads/stores max at pointer size.
5981
5982cat > $TMPC << EOF
5983#include <stdint.h>
5984int main(void)
5985{
5986  uint64_t x = 0, y = 0;
5987#ifdef __ATOMIC_RELAXED
5988  y = __atomic_load_8(&x, 0);
5989  __atomic_store_8(&x, y, 0);
5990  __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5991  __atomic_exchange_8(&x, y, 0);
5992  __atomic_fetch_add_8(&x, y, 0);
5993#else
5994  typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5995  __sync_lock_test_and_set(&x, y);
5996  __sync_val_compare_and_swap(&x, y, 0);
5997  __sync_fetch_and_add(&x, y);
5998#endif
5999  return 0;
6000}
6001EOF
6002if compile_prog "" "" ; then
6003  atomic64=yes
6004fi
6005
6006#########################################
6007# See if --dynamic-list is supported by the linker
6008ld_dynamic_list="no"
6009if test "$static" = "no" ; then
6010    cat > $TMPTXT <<EOF
6011{
6012  foo;
6013};
6014EOF
6015
6016    cat > $TMPC <<EOF
6017#include <stdio.h>
6018void foo(void);
6019
6020void foo(void)
6021{
6022  printf("foo\n");
6023}
6024
6025int main(void)
6026{
6027  foo();
6028  return 0;
6029}
6030EOF
6031
6032    if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
6033        ld_dynamic_list="yes"
6034    fi
6035fi
6036
6037#########################################
6038# See if -exported_symbols_list is supported by the linker
6039
6040ld_exported_symbols_list="no"
6041if test "$static" = "no" ; then
6042    cat > $TMPTXT <<EOF
6043  _foo
6044EOF
6045
6046    if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
6047        ld_exported_symbols_list="yes"
6048    fi
6049fi
6050
6051if  test "$plugins" = "yes" &&
6052    test "$ld_dynamic_list" = "no" &&
6053    test "$ld_exported_symbols_list" = "no" ; then
6054  error_exit \
6055      "Plugin support requires dynamic linking and specifying a set of symbols " \
6056      "that are exported to plugins. Unfortunately your linker doesn't " \
6057      "support the flag (--dynamic-list or -exported_symbols_list) used " \
6058      "for this purpose. You can't build with --static."
6059fi
6060
6061########################################
6062# See if __attribute__((alias)) is supported.
6063# This false for Xcode 9, but has been remedied for Xcode 10.
6064# Unfortunately, travis uses Xcode 9 by default.
6065
6066attralias=no
6067cat > $TMPC << EOF
6068int x = 1;
6069extern const int y __attribute__((alias("x")));
6070int main(void) { return 0; }
6071EOF
6072if compile_prog "" "" ; then
6073    attralias=yes
6074fi
6075
6076########################################
6077# check if getauxval is available.
6078
6079getauxval=no
6080cat > $TMPC << EOF
6081#include <sys/auxv.h>
6082int main(void) {
6083  return getauxval(AT_HWCAP) == 0;
6084}
6085EOF
6086if compile_prog "" "" ; then
6087    getauxval=yes
6088fi
6089
6090########################################
6091# check if ccache is interfering with
6092# semantic analysis of macros
6093
6094unset CCACHE_CPP2
6095ccache_cpp2=no
6096cat > $TMPC << EOF
6097static const int Z = 1;
6098#define fn() ({ Z; })
6099#define TAUT(X) ((X) == Z)
6100#define PAREN(X, Y) (X == Y)
6101#define ID(X) (X)
6102int main(int argc, char *argv[])
6103{
6104    int x = 0, y = 0;
6105    x = ID(x);
6106    x = fn();
6107    fn();
6108    if (PAREN(x, y)) return 0;
6109    if (TAUT(Z)) return 0;
6110    return 0;
6111}
6112EOF
6113
6114if ! compile_object "-Werror"; then
6115    ccache_cpp2=yes
6116fi
6117
6118#################################################
6119# clang does not support glibc + FORTIFY_SOURCE.
6120
6121if test "$fortify_source" != "no"; then
6122  if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
6123    fortify_source="no";
6124  elif test -n "$cxx" && has $cxx &&
6125       echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
6126    fortify_source="no";
6127  else
6128    fortify_source="yes"
6129  fi
6130fi
6131
6132###############################################
6133# Check if copy_file_range is provided by glibc
6134have_copy_file_range=no
6135cat > $TMPC << EOF
6136#include <unistd.h>
6137int main(void) {
6138  copy_file_range(0, NULL, 0, NULL, 0, 0);
6139  return 0;
6140}
6141EOF
6142if compile_prog "" "" ; then
6143    have_copy_file_range=yes
6144fi
6145
6146##########################################
6147# check if struct fsxattr is available via linux/fs.h
6148
6149have_fsxattr=no
6150cat > $TMPC << EOF
6151#include <linux/fs.h>
6152struct fsxattr foo;
6153int main(void) {
6154  return 0;
6155}
6156EOF
6157if compile_prog "" "" ; then
6158    have_fsxattr=yes
6159fi
6160
6161##########################################
6162# check for usable membarrier system call
6163if test "$membarrier" = "yes"; then
6164    have_membarrier=no
6165    if test "$mingw32" = "yes" ; then
6166        have_membarrier=yes
6167    elif test "$linux" = "yes" ; then
6168        cat > $TMPC << EOF
6169    #include <linux/membarrier.h>
6170    #include <sys/syscall.h>
6171    #include <unistd.h>
6172    #include <stdlib.h>
6173    int main(void) {
6174        syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
6175        syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
6176	exit(0);
6177    }
6178EOF
6179        if compile_prog "" "" ; then
6180            have_membarrier=yes
6181        fi
6182    fi
6183    if test "$have_membarrier" = "no"; then
6184      feature_not_found "membarrier" "membarrier system call not available"
6185    fi
6186else
6187    # Do not enable it by default even for Mingw32, because it doesn't
6188    # work on Wine.
6189    membarrier=no
6190fi
6191
6192##########################################
6193# check if rtnetlink.h exists and is useful
6194have_rtnetlink=no
6195cat > $TMPC << EOF
6196#include <linux/rtnetlink.h>
6197int main(void) {
6198  return IFLA_PROTO_DOWN;
6199}
6200EOF
6201if compile_prog "" "" ; then
6202    have_rtnetlink=yes
6203fi
6204
6205##########################################
6206# check for usable AF_VSOCK environment
6207have_af_vsock=no
6208cat > $TMPC << EOF
6209#include <errno.h>
6210#include <sys/types.h>
6211#include <sys/socket.h>
6212#if !defined(AF_VSOCK)
6213# error missing AF_VSOCK flag
6214#endif
6215#include <linux/vm_sockets.h>
6216int main(void) {
6217    int sock, ret;
6218    struct sockaddr_vm svm;
6219    socklen_t len = sizeof(svm);
6220    sock = socket(AF_VSOCK, SOCK_STREAM, 0);
6221    ret = getpeername(sock, (struct sockaddr *)&svm, &len);
6222    if ((ret == -1) && (errno == ENOTCONN)) {
6223        return 0;
6224    }
6225    return -1;
6226}
6227EOF
6228if compile_prog "" "" ; then
6229    have_af_vsock=yes
6230fi
6231
6232##########################################
6233# check for usable AF_ALG environment
6234have_afalg=no
6235cat > $TMPC << EOF
6236#include <errno.h>
6237#include <sys/types.h>
6238#include <sys/socket.h>
6239#include <linux/if_alg.h>
6240int main(void) {
6241    int sock;
6242    sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
6243    return sock;
6244}
6245EOF
6246if compile_prog "" "" ; then
6247    have_afalg=yes
6248fi
6249if test "$crypto_afalg" = "yes"
6250then
6251    if test "$have_afalg" != "yes"
6252    then
6253	error_exit "AF_ALG requested but could not be detected"
6254    fi
6255fi
6256
6257
6258#################################################
6259# Check to see if we have the Hypervisor framework
6260if [ "$darwin" = "yes" ] ; then
6261  cat > $TMPC << EOF
6262#include <Hypervisor/hv.h>
6263int main() { return 0;}
6264EOF
6265  if ! compile_object ""; then
6266    hvf='no'
6267  else
6268    hvf='yes'
6269    QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
6270  fi
6271fi
6272
6273#################################################
6274# Sparc implicitly links with --relax, which is
6275# incompatible with -r, so --no-relax should be
6276# given. It does no harm to give it on other
6277# platforms too.
6278
6279# Note: the prototype is needed since QEMU_CFLAGS
6280#       contains -Wmissing-prototypes
6281cat > $TMPC << EOF
6282extern int foo(void);
6283int foo(void) { return 0; }
6284EOF
6285if ! compile_object ""; then
6286  error_exit "Failed to compile object file for LD_REL_FLAGS test"
6287fi
6288for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
6289  if do_cc -nostdlib $i -o $TMPMO $TMPO; then
6290    LD_REL_FLAGS=$i
6291    break
6292  fi
6293done
6294if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
6295  feature_not_found "modules" "Cannot find how to build relocatable objects"
6296fi
6297
6298##########################################
6299# check for sysmacros.h
6300
6301have_sysmacros=no
6302cat > $TMPC << EOF
6303#include <sys/sysmacros.h>
6304int main(void) {
6305    return makedev(0, 0);
6306}
6307EOF
6308if compile_prog "" "" ; then
6309    have_sysmacros=yes
6310fi
6311
6312##########################################
6313# check for _Static_assert()
6314
6315have_static_assert=no
6316cat > $TMPC << EOF
6317_Static_assert(1, "success");
6318int main(void) {
6319    return 0;
6320}
6321EOF
6322if compile_prog "" "" ; then
6323    have_static_assert=yes
6324fi
6325
6326##########################################
6327# check for utmpx.h, it is missing e.g. on OpenBSD
6328
6329have_utmpx=no
6330cat > $TMPC << EOF
6331#include <utmpx.h>
6332struct utmpx user_info;
6333int main(void) {
6334    return 0;
6335}
6336EOF
6337if compile_prog "" "" ; then
6338    have_utmpx=yes
6339fi
6340
6341##########################################
6342# check for getrandom()
6343
6344have_getrandom=no
6345cat > $TMPC << EOF
6346#include <sys/random.h>
6347int main(void) {
6348    return getrandom(0, 0, GRND_NONBLOCK);
6349}
6350EOF
6351if compile_prog "" "" ; then
6352    have_getrandom=yes
6353fi
6354
6355##########################################
6356# checks for sanitizers
6357
6358have_asan=no
6359have_ubsan=no
6360have_asan_iface_h=no
6361have_asan_iface_fiber=no
6362
6363if test "$sanitizers" = "yes" ; then
6364  write_c_skeleton
6365  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6366      have_asan=yes
6367  fi
6368
6369  # we could use a simple skeleton for flags checks, but this also
6370  # detect the static linking issue of ubsan, see also:
6371  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6372  cat > $TMPC << EOF
6373#include <stdlib.h>
6374int main(void) {
6375    void *tmp = malloc(10);
6376    if (tmp != NULL) {
6377        return *(int *)(tmp + 2);
6378    }
6379    return 1;
6380}
6381EOF
6382  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6383      have_ubsan=yes
6384  fi
6385
6386  if check_include "sanitizer/asan_interface.h" ; then
6387      have_asan_iface_h=yes
6388  fi
6389
6390  cat > $TMPC << EOF
6391#include <sanitizer/asan_interface.h>
6392int main(void) {
6393  __sanitizer_start_switch_fiber(0, 0, 0);
6394  return 0;
6395}
6396EOF
6397  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6398      have_asan_iface_fiber=yes
6399  fi
6400fi
6401
6402##########################################
6403# checks for fuzzer
6404if test "$fuzzing" = "yes" ; then
6405  write_c_fuzzer_skeleton
6406  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
6407      have_fuzzer=yes
6408  fi
6409fi
6410
6411# Thread sanitizer is, for now, much noisier than the other sanitizers;
6412# keep it separate until that is not the case.
6413if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
6414  error_exit "TSAN is not supported with other sanitiziers."
6415fi
6416have_tsan=no
6417have_tsan_iface_fiber=no
6418if test "$tsan" = "yes" ; then
6419  write_c_skeleton
6420  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6421      have_tsan=yes
6422  fi
6423  cat > $TMPC << EOF
6424#include <sanitizer/tsan_interface.h>
6425int main(void) {
6426  __tsan_create_fiber(0);
6427  return 0;
6428}
6429EOF
6430  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6431      have_tsan_iface_fiber=yes
6432  fi
6433fi
6434
6435##########################################
6436# check for libpmem
6437
6438if test "$libpmem" != "no"; then
6439	if $pkg_config --exists "libpmem"; then
6440		libpmem="yes"
6441		libpmem_libs=$($pkg_config --libs libpmem)
6442		libpmem_cflags=$($pkg_config --cflags libpmem)
6443		libs_softmmu="$libs_softmmu $libpmem_libs"
6444		QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6445	else
6446		if test "$libpmem" = "yes" ; then
6447			feature_not_found "libpmem" "Install nvml or pmdk"
6448		fi
6449		libpmem="no"
6450	fi
6451fi
6452
6453##########################################
6454# check for libdaxctl
6455
6456if test "$libdaxctl" != "no"; then
6457	if $pkg_config --atleast-version=57 "libdaxctl"; then
6458		libdaxctl="yes"
6459		libdaxctl_libs=$($pkg_config --libs libdaxctl)
6460		libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
6461		libs_softmmu="$libs_softmmu $libdaxctl_libs"
6462		QEMU_CFLAGS="$QEMU_CFLAGS $libdaxctl_cflags"
6463	else
6464		if test "$libdaxctl" = "yes" ; then
6465			feature_not_found "libdaxctl" "Install libdaxctl"
6466		fi
6467		libdaxctl="no"
6468	fi
6469fi
6470
6471##########################################
6472# check for slirp
6473
6474# slirp is only required when building softmmu targets
6475if test -z "$slirp" -a "$softmmu" != "yes" ; then
6476    slirp="no"
6477fi
6478
6479case "$slirp" in
6480  "" | yes)
6481    if $pkg_config slirp; then
6482      slirp=system
6483    elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6484      slirp=git
6485    elif test -e "${source_path}/slirp/Makefile" ; then
6486      slirp=internal
6487    elif test -z "$slirp" ; then
6488      slirp=no
6489    else
6490      feature_not_found "slirp" "Install slirp devel or git submodule"
6491    fi
6492    ;;
6493
6494  system)
6495    if ! $pkg_config slirp; then
6496      feature_not_found "slirp" "Install slirp devel"
6497    fi
6498    ;;
6499esac
6500
6501case "$slirp" in
6502  git | internal)
6503    if test "$slirp" = git; then
6504      git_submodules="${git_submodules} slirp"
6505    fi
6506    mkdir -p slirp
6507    slirp_cflags="-I${source_path}/slirp/src -I$PWD/slirp/src"
6508    slirp_libs="-L$PWD/slirp -lslirp"
6509    if test "$mingw32" = "yes" ; then
6510      slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6511    fi
6512    ;;
6513
6514  system)
6515    slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6516    slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6517    slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6518    ;;
6519
6520  no)
6521    ;;
6522  *)
6523    error_exit "Unknown state for slirp: $slirp"
6524    ;;
6525esac
6526
6527##########################################
6528# check for usable __NR_keyctl syscall
6529
6530if test "$linux" = "yes" ; then
6531
6532    have_keyring=no
6533    cat > $TMPC << EOF
6534#include <errno.h>
6535#include <asm/unistd.h>
6536#include <linux/keyctl.h>
6537#include <unistd.h>
6538int main(void) {
6539    return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
6540}
6541EOF
6542    if compile_prog "" "" ; then
6543        have_keyring=yes
6544    fi
6545fi
6546if test "$secret_keyring" != "no"
6547then
6548    if test "$have_keyring" = "yes"
6549    then
6550	secret_keyring=yes
6551    else
6552	if test "$secret_keyring" = "yes"
6553	then
6554	    error_exit "syscall __NR_keyctl requested, \
6555but not implemented on your system"
6556	else
6557	    secret_keyring=no
6558	fi
6559    fi
6560fi
6561
6562##########################################
6563# check for usable keyutils.h
6564
6565if test "$linux" = "yes" ; then
6566
6567    have_keyutils=no
6568    cat > $TMPC << EOF
6569#include <errno.h>
6570#include <asm/unistd.h>
6571#include <unistd.h>
6572#include <sys/types.h>
6573#include <keyutils.h>
6574int main(void) {
6575    return request_key("user", NULL, NULL, 0);
6576}
6577EOF
6578    if compile_prog "" "-lkeyutils"; then
6579        have_keyutils=yes
6580    fi
6581fi
6582
6583
6584##########################################
6585# End of CC checks
6586# After here, no more $cc or $ld runs
6587
6588write_c_skeleton
6589
6590if test "$gcov" = "yes" ; then
6591  :
6592elif test "$fortify_source" = "yes" ; then
6593  QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
6594  debug=no
6595fi
6596if test "$debug_info" = "yes"; then
6597  CFLAGS="-g $CFLAGS"
6598  LDFLAGS="-g $LDFLAGS"
6599fi
6600if test "$debug" = "no"; then
6601  CFLAGS="-O2 $CFLAGS"
6602fi
6603
6604case "$ARCH" in
6605alpha)
6606  # Ensure there's only a single GP
6607  QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
6608;;
6609esac
6610
6611if test "$gprof" = "yes" ; then
6612  QEMU_CFLAGS="-p $QEMU_CFLAGS"
6613  QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
6614fi
6615
6616if test "$have_asan" = "yes"; then
6617  QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6618  QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6619  if test "$have_asan_iface_h" = "no" ; then
6620      echo "ASAN build enabled, but ASAN header missing." \
6621           "Without code annotation, the report may be inferior."
6622  elif test "$have_asan_iface_fiber" = "no" ; then
6623      echo "ASAN build enabled, but ASAN header is too old." \
6624           "Without code annotation, the report may be inferior."
6625  fi
6626fi
6627if test "$have_tsan" = "yes" ; then
6628  if test "$have_tsan_iface_fiber" = "yes" ; then
6629    QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
6630    QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
6631  else
6632    error_exit "Cannot enable TSAN due to missing fiber annotation interface."
6633  fi
6634elif test "$tsan" = "yes" ; then
6635  error_exit "Cannot enable TSAN due to missing sanitize thread interface."
6636fi
6637if test "$have_ubsan" = "yes"; then
6638  QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6639  QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6640fi
6641
6642##########################################
6643# Do we have libnfs
6644if test "$libnfs" != "no" ; then
6645  if $pkg_config --atleast-version=1.9.3 libnfs; then
6646    libnfs="yes"
6647    libnfs_libs=$($pkg_config --libs libnfs)
6648  else
6649    if test "$libnfs" = "yes" ; then
6650      feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6651    fi
6652    libnfs="no"
6653  fi
6654fi
6655
6656##########################################
6657# Do we have libudev
6658if test "$libudev" != "no" ; then
6659  if $pkg_config libudev && test "$static" != "yes"; then
6660    libudev="yes"
6661    libudev_libs=$($pkg_config --libs libudev)
6662  else
6663    libudev="no"
6664  fi
6665fi
6666
6667# Now we've finished running tests it's OK to add -Werror to the compiler flags
6668if test "$werror" = "yes"; then
6669    QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6670fi
6671
6672# Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
6673if test "$solaris" = "no" && test "$tsan" = "no"; then
6674    if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6675        QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6676    fi
6677fi
6678
6679# test if pod2man has --utf8 option
6680if pod2man --help | grep -q utf8; then
6681    POD2MAN="pod2man --utf8"
6682else
6683    POD2MAN="pod2man"
6684fi
6685
6686# Use ASLR, no-SEH and DEP if available
6687if test "$mingw32" = "yes" ; then
6688    for flag in --dynamicbase --no-seh --nxcompat; do
6689        if ld_has $flag ; then
6690            QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6691        fi
6692    done
6693fi
6694
6695# Disable OpenBSD W^X if available
6696if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6697    cat > $TMPC <<EOF
6698    int main(void) { return 0; }
6699EOF
6700    wx_ldflags="-Wl,-z,wxneeded"
6701    if compile_prog "" "$wx_ldflags"; then
6702        QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6703    fi
6704fi
6705
6706qemu_confdir=$sysconfdir$confsuffix
6707qemu_moddir=$libdir$confsuffix
6708qemu_datadir=$datadir$confsuffix
6709qemu_localedir="$datadir/locale"
6710qemu_icondir="$datadir/icons"
6711qemu_desktopdir="$datadir/applications"
6712
6713# We can only support ivshmem if we have eventfd
6714if [ "$eventfd" = "yes" ]; then
6715  ivshmem=yes
6716fi
6717
6718tools=""
6719if test "$want_tools" = "yes" ; then
6720  tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
6721  if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6722    tools="qemu-nbd\$(EXESUF) qemu-storage-daemon\$(EXESUF) $tools"
6723  fi
6724fi
6725if test "$softmmu" = yes ; then
6726  if test "$linux" = yes; then
6727    if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6728      virtfs=yes
6729      helpers="$helpers fsdev/virtfs-proxy-helper\$(EXESUF)"
6730    else
6731      if test "$virtfs" = yes; then
6732        error_exit "VirtFS requires libcap-ng devel and libattr devel"
6733      fi
6734      virtfs=no
6735    fi
6736    if test "$mpath" != no && test "$mpathpersist" = yes ; then
6737      mpath=yes
6738    else
6739      if test "$mpath" = yes; then
6740        error_exit "Multipath requires libmpathpersist devel"
6741      fi
6742      mpath=no
6743    fi
6744    helpers="$helpers scsi/qemu-pr-helper\$(EXESUF)"
6745  else
6746    if test "$virtfs" = yes; then
6747      error_exit "VirtFS is supported only on Linux"
6748    fi
6749    virtfs=no
6750    if test "$mpath" = yes; then
6751      error_exit "Multipath is supported only on Linux"
6752    fi
6753    mpath=no
6754  fi
6755  if test "$xkbcommon" = "yes"; then
6756    tools="qemu-keymap\$(EXESUF) $tools"
6757  fi
6758fi
6759
6760# Probe for guest agent support/options
6761
6762if [ "$guest_agent" != "no" ]; then
6763  if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6764      guest_agent=no
6765  elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6766      guest_agent=yes
6767  elif [ "$guest_agent" != yes ]; then
6768      guest_agent=no
6769  else
6770      error_exit "Guest agent is not supported on this platform"
6771  fi
6772fi
6773
6774# Guest agent Window MSI  package
6775
6776if test "$guest_agent" != yes; then
6777  if test "$guest_agent_msi" = yes; then
6778    error_exit "MSI guest agent package requires guest agent enabled"
6779  fi
6780  guest_agent_msi=no
6781elif test "$mingw32" != "yes"; then
6782  if test "$guest_agent_msi" = "yes"; then
6783    error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6784  fi
6785  guest_agent_msi=no
6786elif ! has wixl; then
6787  if test "$guest_agent_msi" = "yes"; then
6788    error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6789  fi
6790  guest_agent_msi=no
6791else
6792  # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6793  # disabled explicitly
6794  if test "$guest_agent_msi" != "no"; then
6795    guest_agent_msi=yes
6796  fi
6797fi
6798
6799if test "$guest_agent_msi" = "yes"; then
6800  if test "$guest_agent_with_vss" = "yes"; then
6801    QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6802  fi
6803
6804  if test "$QEMU_GA_MANUFACTURER" = ""; then
6805    QEMU_GA_MANUFACTURER=QEMU
6806  fi
6807
6808  if test "$QEMU_GA_DISTRO" = ""; then
6809    QEMU_GA_DISTRO=Linux
6810  fi
6811
6812  if test "$QEMU_GA_VERSION" = ""; then
6813      QEMU_GA_VERSION=$(cat $source_path/VERSION)
6814  fi
6815
6816  QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6817
6818  case "$cpu" in
6819  x86_64)
6820    QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6821    ;;
6822  i386)
6823    QEMU_GA_MSI_ARCH="-D Arch=32"
6824    ;;
6825  *)
6826    error_exit "CPU $cpu not supported for building installation package"
6827    ;;
6828  esac
6829fi
6830
6831# Mac OS X ships with a broken assembler
6832roms=
6833if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6834        test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6835        test "$softmmu" = yes ; then
6836    # Different host OS linkers have different ideas about the name of the ELF
6837    # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6838    # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6839    for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6840        if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6841            ld_i386_emulation="$emu"
6842            roms="optionrom"
6843            break
6844        fi
6845    done
6846fi
6847
6848# Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6849if test "$cpu" = "s390x" ; then
6850  write_c_skeleton
6851  if compile_prog "-march=z900" ""; then
6852    roms="$roms s390-ccw"
6853    # SLOF is required for building the s390-ccw firmware on s390x,
6854    # since it is using the libnet code from SLOF for network booting.
6855    if test -e "${source_path}/.git" ; then
6856      git_submodules="${git_submodules} roms/SLOF"
6857    fi
6858  fi
6859fi
6860
6861# Check that the C++ compiler exists and works with the C compiler.
6862# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6863if has $cxx; then
6864    cat > $TMPC <<EOF
6865int c_function(void);
6866int main(void) { return c_function(); }
6867EOF
6868
6869    compile_object
6870
6871    cat > $TMPCXX <<EOF
6872extern "C" {
6873   int c_function(void);
6874}
6875int c_function(void) { return 42; }
6876EOF
6877
6878    update_cxxflags
6879
6880    if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6881        # C++ compiler $cxx works ok with C compiler $cc
6882        :
6883    else
6884        echo "C++ compiler $cxx does not work with C compiler $cc"
6885        echo "Disabling C++ specific optional code"
6886        cxx=
6887    fi
6888else
6889    echo "No C++ compiler available; disabling C++ specific optional code"
6890    cxx=
6891fi
6892
6893echo_version() {
6894    if test "$1" = "yes" ; then
6895        echo "($2)"
6896    fi
6897}
6898
6899# prepend pixman and ftd flags after all config tests are done
6900QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6901QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6902libs_softmmu="$pixman_libs $libs_softmmu"
6903
6904config_host_mak="config-host.mak"
6905
6906echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6907
6908echo "# Automatically generated by configure - do not modify" > $config_host_mak
6909echo >> $config_host_mak
6910
6911echo all: >> $config_host_mak
6912echo "prefix=$prefix" >> $config_host_mak
6913echo "bindir=$bindir" >> $config_host_mak
6914echo "libdir=$libdir" >> $config_host_mak
6915echo "libexecdir=$libexecdir" >> $config_host_mak
6916echo "includedir=$includedir" >> $config_host_mak
6917echo "mandir=$mandir" >> $config_host_mak
6918echo "sysconfdir=$sysconfdir" >> $config_host_mak
6919echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6920echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6921echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6922echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6923echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6924if test "$mingw32" = "no" ; then
6925  echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6926fi
6927echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6928echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6929echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6930echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6931echo "libs_cpu=$libs_cpu" >> $config_host_mak
6932echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6933echo "GIT=$git" >> $config_host_mak
6934echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6935echo "GIT_UPDATE=$git_update" >> $config_host_mak
6936
6937echo "ARCH=$ARCH" >> $config_host_mak
6938
6939echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
6940echo "GLIB_LDFLAGS=$glib_ldflags" >> $config_host_mak
6941
6942if test "$default_devices" = "yes" ; then
6943  echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6944else
6945  echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6946fi
6947if test "$debug_tcg" = "yes" ; then
6948  echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6949fi
6950if test "$strip_opt" = "yes" ; then
6951  echo "STRIP=${strip}" >> $config_host_mak
6952fi
6953if test "$bigendian" = "yes" ; then
6954  echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6955fi
6956if test "$mingw32" = "yes" ; then
6957  echo "CONFIG_WIN32=y" >> $config_host_mak
6958  rc_version=$(cat $source_path/VERSION)
6959  version_major=${rc_version%%.*}
6960  rc_version=${rc_version#*.}
6961  version_minor=${rc_version%%.*}
6962  rc_version=${rc_version#*.}
6963  version_subminor=${rc_version%%.*}
6964  version_micro=0
6965  echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6966  echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6967  if test "$guest_agent_with_vss" = "yes" ; then
6968    echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6969    echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6970    echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6971  fi
6972  if test "$guest_agent_ntddscsi" = "yes" ; then
6973    echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6974  fi
6975  if test "$guest_agent_msi" = "yes"; then
6976    echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6977    echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6978    echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6979    echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6980    echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6981    echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6982    echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6983  fi
6984else
6985  echo "CONFIG_POSIX=y" >> $config_host_mak
6986fi
6987
6988if test "$linux" = "yes" ; then
6989  echo "CONFIG_LINUX=y" >> $config_host_mak
6990fi
6991
6992if test "$darwin" = "yes" ; then
6993  echo "CONFIG_DARWIN=y" >> $config_host_mak
6994fi
6995
6996if test "$solaris" = "yes" ; then
6997  echo "CONFIG_SOLARIS=y" >> $config_host_mak
6998fi
6999if test "$haiku" = "yes" ; then
7000  echo "CONFIG_HAIKU=y" >> $config_host_mak
7001fi
7002if test "$static" = "yes" ; then
7003  echo "CONFIG_STATIC=y" >> $config_host_mak
7004fi
7005if test "$profiler" = "yes" ; then
7006  echo "CONFIG_PROFILER=y" >> $config_host_mak
7007fi
7008if test "$want_tools" = "yes" ; then
7009  echo "CONFIG_TOOLS=y" >> $config_host_mak
7010fi
7011if test "$guest_agent" = "yes" ; then
7012  echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
7013fi
7014if test "$slirp" != "no"; then
7015  echo "CONFIG_SLIRP=y" >> $config_host_mak
7016  echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
7017  echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
7018  echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
7019fi
7020if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
7021    echo "config-host.h: slirp/all" >> $config_host_mak
7022fi
7023if test "$vde" = "yes" ; then
7024  echo "CONFIG_VDE=y" >> $config_host_mak
7025  echo "VDE_LIBS=$vde_libs" >> $config_host_mak
7026fi
7027if test "$netmap" = "yes" ; then
7028  echo "CONFIG_NETMAP=y" >> $config_host_mak
7029fi
7030if test "$l2tpv3" = "yes" ; then
7031  echo "CONFIG_L2TPV3=y" >> $config_host_mak
7032fi
7033if test "$gprof" = "yes" ; then
7034  echo "CONFIG_GPROF=y" >> $config_host_mak
7035fi
7036if test "$cap_ng" = "yes" ; then
7037  echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
7038  echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
7039fi
7040echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
7041for drv in $audio_drv_list; do
7042    def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
7043    case "$drv" in
7044	alsa | oss | pa | sdl)
7045	    echo "$def=m" >> $config_host_mak ;;
7046	*)
7047	    echo "$def=y" >> $config_host_mak ;;
7048    esac
7049done
7050echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
7051echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
7052echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
7053echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
7054echo "OSS_LIBS=$oss_libs" >> $config_host_mak
7055echo "JACK_LIBS=$jack_libs" >> $config_host_mak
7056if test "$audio_win_int" = "yes" ; then
7057  echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
7058fi
7059echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
7060echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
7061if test "$vnc" = "yes" ; then
7062  echo "CONFIG_VNC=y" >> $config_host_mak
7063fi
7064if test "$vnc_sasl" = "yes" ; then
7065  echo "CONFIG_VNC_SASL=y" >> $config_host_mak
7066fi
7067if test "$vnc_jpeg" = "yes" ; then
7068  echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
7069fi
7070if test "$vnc_png" = "yes" ; then
7071  echo "CONFIG_VNC_PNG=y" >> $config_host_mak
7072fi
7073if test "$xkbcommon" = "yes" ; then
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" >> $config_host_mak
7313fi
7314if test "$libattr" = "yes" ; then
7315  echo "CONFIG_LIBATTR=y" >> $config_host_mak
7316fi
7317if test "$virtfs" = "yes" ; then
7318  echo "CONFIG_VIRTFS=y" >> $config_host_mak
7319fi
7320if test "$mpath" = "yes" ; then
7321  echo "CONFIG_MPATH=y" >> $config_host_mak
7322  if test "$mpathpersist_new_api" = "yes"; then
7323    echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7324  fi
7325fi
7326if test "$vhost_scsi" = "yes" ; then
7327  echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7328fi
7329if test "$vhost_net" = "yes" ; then
7330  echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7331fi
7332if test "$vhost_net_user" = "yes" ; then
7333  echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7334fi
7335if test "$vhost_net_vdpa" = "yes" ; then
7336  echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
7337fi
7338if test "$vhost_crypto" = "yes" ; then
7339  echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7340fi
7341if test "$vhost_vsock" = "yes" ; then
7342  echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7343  if test "$vhost_user" = "yes" ; then
7344    echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
7345  fi
7346fi
7347if test "$vhost_kernel" = "yes" ; then
7348  echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7349fi
7350if test "$vhost_user" = "yes" ; then
7351  echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7352fi
7353if test "$vhost_vdpa" = "yes" ; then
7354  echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
7355fi
7356if test "$vhost_user_fs" = "yes" ; then
7357  echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7358fi
7359if test "$blobs" = "yes" ; then
7360  echo "INSTALL_BLOBS=yes" >> $config_host_mak
7361fi
7362if test "$iovec" = "yes" ; then
7363  echo "CONFIG_IOVEC=y" >> $config_host_mak
7364fi
7365if test "$preadv" = "yes" ; then
7366  echo "CONFIG_PREADV=y" >> $config_host_mak
7367fi
7368if test "$fdt" != "no" ; then
7369  echo "CONFIG_FDT=y" >> $config_host_mak
7370fi
7371if test "$membarrier" = "yes" ; then
7372  echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7373fi
7374if test "$signalfd" = "yes" ; then
7375  echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7376fi
7377if test "$optreset" = "yes" ; then
7378  echo "HAVE_OPTRESET=y" >> $config_host_mak
7379fi
7380if test "$tcg" = "yes"; then
7381  echo "CONFIG_TCG=y" >> $config_host_mak
7382  if test "$tcg_interpreter" = "yes" ; then
7383    echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7384  fi
7385fi
7386if test "$fdatasync" = "yes" ; then
7387  echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7388fi
7389if test "$madvise" = "yes" ; then
7390  echo "CONFIG_MADVISE=y" >> $config_host_mak
7391fi
7392if test "$posix_madvise" = "yes" ; then
7393  echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7394fi
7395if test "$posix_memalign" = "yes" ; then
7396  echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7397fi
7398
7399if test "$spice" = "yes" ; then
7400  echo "CONFIG_SPICE=y" >> $config_host_mak
7401fi
7402
7403if test "$smartcard" = "yes" ; then
7404  echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7405  echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7406  echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7407fi
7408
7409if test "$libusb" = "yes" ; then
7410  echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7411  echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7412  echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7413fi
7414
7415if test "$usb_redir" = "yes" ; then
7416  echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7417  echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7418  echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7419fi
7420
7421if test "$opengl" = "yes" ; then
7422  echo "CONFIG_OPENGL=y" >> $config_host_mak
7423  echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7424  if test "$opengl_dmabuf" = "yes" ; then
7425    echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7426  fi
7427fi
7428
7429if test "$gbm" = "yes" ; then
7430    echo "CONFIG_GBM=y" >> $config_host_mak
7431    echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7432    echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7433fi
7434
7435
7436if test "$malloc_trim" = "yes" ; then
7437  echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7438fi
7439
7440if test "$avx2_opt" = "yes" ; then
7441  echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7442fi
7443
7444if test "$avx512f_opt" = "yes" ; then
7445  echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
7446fi
7447
7448if test "$lzo" = "yes" ; then
7449  echo "CONFIG_LZO=y" >> $config_host_mak
7450fi
7451
7452if test "$snappy" = "yes" ; then
7453  echo "CONFIG_SNAPPY=y" >> $config_host_mak
7454fi
7455
7456if test "$bzip2" = "yes" ; then
7457  echo "CONFIG_BZIP2=y" >> $config_host_mak
7458  echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7459fi
7460
7461if test "$lzfse" = "yes" ; then
7462  echo "CONFIG_LZFSE=y" >> $config_host_mak
7463  echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7464fi
7465
7466if test "$zstd" = "yes" ; then
7467  echo "CONFIG_ZSTD=y" >> $config_host_mak
7468fi
7469
7470if test "$libiscsi" = "yes" ; then
7471  echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7472  echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7473  echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7474fi
7475
7476if test "$libnfs" = "yes" ; then
7477  echo "CONFIG_LIBNFS=m" >> $config_host_mak
7478  echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7479fi
7480
7481if test "$seccomp" = "yes"; then
7482  echo "CONFIG_SECCOMP=y" >> $config_host_mak
7483  echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7484  echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7485fi
7486
7487# XXX: suppress that
7488if [ "$bsd" = "yes" ] ; then
7489  echo "CONFIG_BSD=y" >> $config_host_mak
7490fi
7491
7492if test "$localtime_r" = "yes" ; then
7493  echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7494fi
7495if test "$qom_cast_debug" = "yes" ; then
7496  echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7497fi
7498if test "$rbd" = "yes" ; then
7499  echo "CONFIG_RBD=m" >> $config_host_mak
7500  echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
7501  echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7502fi
7503
7504echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7505if test "$coroutine_pool" = "yes" ; then
7506  echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7507else
7508  echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7509fi
7510
7511if test "$debug_stack_usage" = "yes" ; then
7512  echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7513fi
7514
7515if test "$crypto_afalg" = "yes" ; then
7516  echo "CONFIG_AF_ALG=y" >> $config_host_mak
7517fi
7518
7519if test "$open_by_handle_at" = "yes" ; then
7520  echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7521fi
7522
7523if test "$linux_magic_h" = "yes" ; then
7524  echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7525fi
7526
7527if test "$valgrind_h" = "yes" ; then
7528  echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7529fi
7530
7531if test "$have_asan_iface_fiber" = "yes" ; then
7532    echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7533fi
7534
7535if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
7536    echo "CONFIG_TSAN=y" >> $config_host_mak
7537fi
7538
7539if test "$has_environ" = "yes" ; then
7540  echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7541fi
7542
7543if test "$cpuid_h" = "yes" ; then
7544  echo "CONFIG_CPUID_H=y" >> $config_host_mak
7545fi
7546
7547if test "$int128" = "yes" ; then
7548  echo "CONFIG_INT128=y" >> $config_host_mak
7549fi
7550
7551if test "$atomic128" = "yes" ; then
7552  echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7553fi
7554
7555if test "$cmpxchg128" = "yes" ; then
7556  echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7557fi
7558
7559if test "$atomic64" = "yes" ; then
7560  echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7561fi
7562
7563if test "$attralias" = "yes" ; then
7564  echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7565fi
7566
7567if test "$getauxval" = "yes" ; then
7568  echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7569fi
7570
7571if test "$glusterfs" = "yes" ; then
7572  echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7573  echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7574  echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7575fi
7576
7577if test "$glusterfs_xlator_opt" = "yes" ; then
7578  echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7579fi
7580
7581if test "$glusterfs_discard" = "yes" ; then
7582  echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7583fi
7584
7585if test "$glusterfs_fallocate" = "yes" ; then
7586  echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7587fi
7588
7589if test "$glusterfs_zerofill" = "yes" ; then
7590  echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7591fi
7592
7593if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7594  echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7595fi
7596
7597if test "$glusterfs_iocb_has_stat" = "yes" ; then
7598  echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7599fi
7600
7601if test "$libssh" = "yes" ; then
7602  echo "CONFIG_LIBSSH=m" >> $config_host_mak
7603  echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7604  echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7605fi
7606
7607if test "$live_block_migration" = "yes" ; then
7608  echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7609fi
7610
7611if test "$tpm" = "yes"; then
7612  echo 'CONFIG_TPM=y' >> $config_host_mak
7613fi
7614
7615echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7616if have_backend "nop"; then
7617  echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7618fi
7619if have_backend "simple"; then
7620  echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7621  # Set the appropriate trace file.
7622  trace_file="\"$trace_file-\" FMT_pid"
7623fi
7624if have_backend "log"; then
7625  echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7626fi
7627if have_backend "ust"; then
7628  echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7629  echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
7630  echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
7631fi
7632if have_backend "dtrace"; then
7633  echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7634  if test "$trace_backend_stap" = "yes" ; then
7635    echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7636  fi
7637fi
7638if have_backend "ftrace"; then
7639  if test "$linux" = "yes" ; then
7640    echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7641  else
7642    feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7643  fi
7644fi
7645if have_backend "syslog"; then
7646  if test "$posix_syslog" = "yes" ; then
7647    echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7648  else
7649    feature_not_found "syslog(trace backend)" "syslog not available"
7650  fi
7651fi
7652echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7653
7654if test "$rdma" = "yes" ; then
7655  echo "CONFIG_RDMA=y" >> $config_host_mak
7656  echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7657fi
7658
7659if test "$pvrdma" = "yes" ; then
7660  echo "CONFIG_PVRDMA=y" >> $config_host_mak
7661fi
7662
7663if test "$have_rtnetlink" = "yes" ; then
7664  echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7665fi
7666
7667if test "$libxml2" = "yes" ; then
7668  echo "CONFIG_LIBXML2=y" >> $config_host_mak
7669  echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7670  echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7671fi
7672
7673if test "$replication" = "yes" ; then
7674  echo "CONFIG_REPLICATION=y" >> $config_host_mak
7675fi
7676
7677if test "$have_af_vsock" = "yes" ; then
7678  echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7679fi
7680
7681if test "$have_sysmacros" = "yes" ; then
7682  echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7683fi
7684
7685if test "$have_static_assert" = "yes" ; then
7686  echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7687fi
7688
7689if test "$have_utmpx" = "yes" ; then
7690  echo "HAVE_UTMPX=y" >> $config_host_mak
7691fi
7692if test "$have_getrandom" = "yes" ; then
7693  echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7694fi
7695if test "$ivshmem" = "yes" ; then
7696  echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7697fi
7698if test "$capstone" != "no" ; then
7699  echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7700fi
7701if test "$debug_mutex" = "yes" ; then
7702  echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7703fi
7704
7705# Hold two types of flag:
7706#   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7707#                                     a thread we have a handle to
7708#   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7709#                                     platform
7710if test "$pthread_setname_np_w_tid" = "yes" ; then
7711  echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7712  echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7713elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7714  echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7715  echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7716fi
7717
7718if test "$libpmem" = "yes" ; then
7719  echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7720fi
7721
7722if test "$libdaxctl" = "yes" ; then
7723  echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
7724fi
7725
7726if test "$bochs" = "yes" ; then
7727  echo "CONFIG_BOCHS=y" >> $config_host_mak
7728fi
7729if test "$cloop" = "yes" ; then
7730  echo "CONFIG_CLOOP=y" >> $config_host_mak
7731fi
7732if test "$dmg" = "yes" ; then
7733  echo "CONFIG_DMG=y" >> $config_host_mak
7734fi
7735if test "$qcow1" = "yes" ; then
7736  echo "CONFIG_QCOW1=y" >> $config_host_mak
7737fi
7738if test "$vdi" = "yes" ; then
7739  echo "CONFIG_VDI=y" >> $config_host_mak
7740fi
7741if test "$vvfat" = "yes" ; then
7742  echo "CONFIG_VVFAT=y" >> $config_host_mak
7743fi
7744if test "$qed" = "yes" ; then
7745  echo "CONFIG_QED=y" >> $config_host_mak
7746fi
7747if test "$parallels" = "yes" ; then
7748  echo "CONFIG_PARALLELS=y" >> $config_host_mak
7749fi
7750if test "$sheepdog" = "yes" ; then
7751  echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7752fi
7753if test "$pty_h" = "yes" ; then
7754  echo "HAVE_PTY_H=y" >> $config_host_mak
7755fi
7756if test "$have_mlockall" = "yes" ; then
7757  echo "HAVE_MLOCKALL=y" >> $config_host_mak
7758fi
7759if test "$fuzzing" = "yes" ; then
7760  if test "$have_fuzzer" = "yes"; then
7761    FUZZ_LDFLAGS=" -fsanitize=fuzzer"
7762    FUZZ_CFLAGS=" -fsanitize=fuzzer"
7763    QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
7764  else
7765    error_exit "Your compiler doesn't support -fsanitize=fuzzer"
7766    exit 1
7767  fi
7768fi
7769
7770if test "$plugins" = "yes" ; then
7771    echo "CONFIG_PLUGIN=y" >> $config_host_mak
7772    LIBS="-ldl $LIBS"
7773    # Copy the export object list to the build dir
7774    if test "$ld_dynamic_list" = "yes" ; then
7775	echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7776	ld_symbols=qemu-plugins-ld.symbols
7777	cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7778    elif test "$ld_exported_symbols_list" = "yes" ; then
7779	echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7780	ld64_symbols=qemu-plugins-ld64.symbols
7781	echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7782	grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7783	    sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7784    else
7785	error_exit \
7786	    "If \$plugins=yes, either \$ld_dynamic_list or " \
7787	    "\$ld_exported_symbols_list should have been set to 'yes'."
7788    fi
7789fi
7790
7791if test -n "$gdb_bin" ; then
7792    echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7793fi
7794
7795if test "$secret_keyring" = "yes" ; then
7796  echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7797  if test "$have_keyutils" = "yes" ; then
7798    echo "CONFIG_TEST_SECRET_KEYRING=y" >> $config_host_mak
7799  fi
7800fi
7801
7802if test "$tcg_interpreter" = "yes"; then
7803  QEMU_INCLUDES="-iquote ${source_path}/tcg/tci $QEMU_INCLUDES"
7804elif test "$ARCH" = "sparc64" ; then
7805  QEMU_INCLUDES="-iquote ${source_path}/tcg/sparc $QEMU_INCLUDES"
7806elif test "$ARCH" = "s390x" ; then
7807  QEMU_INCLUDES="-iquote ${source_path}/tcg/s390 $QEMU_INCLUDES"
7808elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7809  QEMU_INCLUDES="-iquote ${source_path}/tcg/i386 $QEMU_INCLUDES"
7810elif test "$ARCH" = "ppc64" ; then
7811  QEMU_INCLUDES="-iquote ${source_path}/tcg/ppc $QEMU_INCLUDES"
7812elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7813  QEMU_INCLUDES="-I${source_path}/tcg/riscv $QEMU_INCLUDES"
7814else
7815  QEMU_INCLUDES="-iquote ${source_path}/tcg/${ARCH} $QEMU_INCLUDES"
7816fi
7817
7818echo "HELPERS=$helpers" >> $config_host_mak
7819echo "TOOLS=$tools" >> $config_host_mak
7820echo "ROMS=$roms" >> $config_host_mak
7821echo "MAKE=$make" >> $config_host_mak
7822echo "INSTALL=$install" >> $config_host_mak
7823echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7824echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7825echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7826echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7827echo "PYTHON=$python" >> $config_host_mak
7828echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7829echo "SPHINX_WERROR=$sphinx_werror" >> $config_host_mak
7830echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7831echo "MESON=$meson" >> $config_host_mak
7832echo "CC=$cc" >> $config_host_mak
7833if $iasl -h > /dev/null 2>&1; then
7834  echo "IASL=$iasl" >> $config_host_mak
7835fi
7836echo "HOST_CC=$host_cc" >> $config_host_mak
7837echo "CXX=$cxx" >> $config_host_mak
7838echo "OBJCC=$objcc" >> $config_host_mak
7839echo "AR=$ar" >> $config_host_mak
7840echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7841echo "AS=$as" >> $config_host_mak
7842echo "CCAS=$ccas" >> $config_host_mak
7843echo "CPP=$cpp" >> $config_host_mak
7844echo "OBJCOPY=$objcopy" >> $config_host_mak
7845echo "LD=$ld" >> $config_host_mak
7846echo "RANLIB=$ranlib" >> $config_host_mak
7847echo "NM=$nm" >> $config_host_mak
7848echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7849echo "WINDRES=$windres" >> $config_host_mak
7850echo "CFLAGS=$CFLAGS" >> $config_host_mak
7851echo "CXXFLAGS=$CXXFLAGS" >> $config_host_mak
7852echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7853echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7854echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7855echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7856echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
7857echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
7858if test "$sparse" = "yes" ; then
7859  echo "SPARSE_CFLAGS = -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7860fi
7861echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7862echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7863echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7864echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7865echo "LIBS+=$LIBS" >> $config_host_mak
7866echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7867echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7868echo "EXESUF=$EXESUF" >> $config_host_mak
7869echo "DSOSUF=$DSOSUF" >> $config_host_mak
7870echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7871echo "LIBS_QGA=$libs_qga" >> $config_host_mak
7872echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7873echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7874echo "POD2MAN=$POD2MAN" >> $config_host_mak
7875if test "$gcov" = "yes" ; then
7876  echo "CONFIG_GCOV=y" >> $config_host_mak
7877fi
7878
7879if test "$libudev" != "no"; then
7880    echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7881    echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7882fi
7883if test "$fuzzing" != "no"; then
7884    echo "CONFIG_FUZZ=y" >> $config_host_mak
7885    echo "FUZZ_CFLAGS=$FUZZ_CFLAGS" >> $config_host_mak
7886    echo "FUZZ_LDFLAGS=$FUZZ_LDFLAGS" >> $config_host_mak
7887fi
7888
7889if test "$edk2_blobs" = "yes" ; then
7890  echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7891fi
7892
7893if test "$rng_none" = "yes"; then
7894  echo "CONFIG_RNG_NONE=y" >> $config_host_mak
7895fi
7896
7897# use included Linux headers
7898if test "$linux" = "yes" ; then
7899  mkdir -p linux-headers
7900  case "$cpu" in
7901  i386|x86_64|x32)
7902    linux_arch=x86
7903    ;;
7904  ppc|ppc64|ppc64le)
7905    linux_arch=powerpc
7906    ;;
7907  s390x)
7908    linux_arch=s390
7909    ;;
7910  aarch64)
7911    linux_arch=arm64
7912    ;;
7913  mips64)
7914    linux_arch=mips
7915    ;;
7916  *)
7917    # For most CPUs the kernel architecture name and QEMU CPU name match.
7918    linux_arch="$cpu"
7919    ;;
7920  esac
7921    # For non-KVM architectures we will not have asm headers
7922    if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7923      symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7924    fi
7925fi
7926
7927for target in $target_list; do
7928target_dir="$target"
7929config_target_mak=$target_dir/config-target.mak
7930target_name=$(echo $target | cut -d '-' -f 1)
7931target_aligned_only="no"
7932case "$target_name" in
7933  alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7934  target_aligned_only="yes"
7935  ;;
7936esac
7937target_bigendian="no"
7938case "$target_name" in
7939  armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7940  target_bigendian="yes"
7941  ;;
7942esac
7943target_softmmu="no"
7944target_user_only="no"
7945target_linux_user="no"
7946target_bsd_user="no"
7947case "$target" in
7948  ${target_name}-softmmu)
7949    target_softmmu="yes"
7950    ;;
7951  ${target_name}-linux-user)
7952    target_user_only="yes"
7953    target_linux_user="yes"
7954    ;;
7955  ${target_name}-bsd-user)
7956    target_user_only="yes"
7957    target_bsd_user="yes"
7958    ;;
7959  *)
7960    error_exit "Target '$target' not recognised"
7961    exit 1
7962    ;;
7963esac
7964
7965mkdir -p $target_dir
7966echo "# Automatically generated by configure - do not modify" > $config_target_mak
7967
7968bflt="no"
7969mttcg="no"
7970interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7971gdb_xml_files=""
7972
7973TARGET_ARCH="$target_name"
7974TARGET_BASE_ARCH=""
7975TARGET_ABI_DIR=""
7976
7977case "$target_name" in
7978  i386)
7979    mttcg="yes"
7980	gdb_xml_files="i386-32bit.xml"
7981    TARGET_SYSTBL_ABI=i386
7982  ;;
7983  x86_64)
7984    TARGET_BASE_ARCH=i386
7985    TARGET_SYSTBL_ABI=common,64
7986    mttcg="yes"
7987	gdb_xml_files="i386-64bit.xml"
7988  ;;
7989  alpha)
7990    mttcg="yes"
7991    TARGET_SYSTBL_ABI=common
7992  ;;
7993  arm|armeb)
7994    TARGET_ARCH=arm
7995    TARGET_SYSTBL_ABI=common,oabi
7996    bflt="yes"
7997    mttcg="yes"
7998    gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
7999  ;;
8000  aarch64|aarch64_be)
8001    TARGET_ARCH=aarch64
8002    TARGET_BASE_ARCH=arm
8003    bflt="yes"
8004    mttcg="yes"
8005    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"
8006  ;;
8007  avr)
8008    gdb_xml_files="avr-cpu.xml"
8009    target_compiler=$cross_cc_avr
8010  ;;
8011  cris)
8012  ;;
8013  hppa)
8014    mttcg="yes"
8015    TARGET_SYSTBL_ABI=common,32
8016  ;;
8017  lm32)
8018  ;;
8019  m68k)
8020    bflt="yes"
8021    gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
8022    TARGET_SYSTBL_ABI=common
8023  ;;
8024  microblaze|microblazeel)
8025    TARGET_ARCH=microblaze
8026    TARGET_SYSTBL_ABI=common
8027    bflt="yes"
8028    echo "TARGET_ABI32=y" >> $config_target_mak
8029  ;;
8030  mips|mipsel)
8031    mttcg="yes"
8032    TARGET_ARCH=mips
8033    echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
8034    TARGET_SYSTBL_ABI=o32
8035  ;;
8036  mipsn32|mipsn32el)
8037    mttcg="yes"
8038    TARGET_ARCH=mips64
8039    TARGET_BASE_ARCH=mips
8040    echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
8041    echo "TARGET_ABI32=y" >> $config_target_mak
8042    TARGET_SYSTBL_ABI=n32
8043  ;;
8044  mips64|mips64el)
8045    mttcg="no"
8046    TARGET_ARCH=mips64
8047    TARGET_BASE_ARCH=mips
8048    echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
8049    TARGET_SYSTBL_ABI=n64
8050  ;;
8051  moxie)
8052  ;;
8053  nios2)
8054  ;;
8055  or1k)
8056    TARGET_ARCH=openrisc
8057    TARGET_BASE_ARCH=openrisc
8058  ;;
8059  ppc)
8060    gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
8061    TARGET_SYSTBL_ABI=common,nospu,32
8062  ;;
8063  ppc64)
8064    TARGET_BASE_ARCH=ppc
8065    TARGET_ABI_DIR=ppc
8066    TARGET_SYSTBL_ABI=common,nospu,64
8067    mttcg=yes
8068    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8069  ;;
8070  ppc64le)
8071    TARGET_ARCH=ppc64
8072    TARGET_BASE_ARCH=ppc
8073    TARGET_ABI_DIR=ppc
8074    TARGET_SYSTBL_ABI=common,nospu,64
8075    mttcg=yes
8076    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8077  ;;
8078  ppc64abi32)
8079    TARGET_ARCH=ppc64
8080    TARGET_BASE_ARCH=ppc
8081    TARGET_ABI_DIR=ppc
8082    TARGET_SYSTBL_ABI=common,nospu,32
8083    echo "TARGET_ABI32=y" >> $config_target_mak
8084    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8085  ;;
8086  riscv32)
8087    TARGET_BASE_ARCH=riscv
8088    TARGET_ABI_DIR=riscv
8089    mttcg=yes
8090    gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
8091  ;;
8092  riscv64)
8093    TARGET_BASE_ARCH=riscv
8094    TARGET_ABI_DIR=riscv
8095    mttcg=yes
8096    gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
8097  ;;
8098  rx)
8099    TARGET_ARCH=rx
8100    bflt="yes"
8101    target_compiler=$cross_cc_rx
8102    gdb_xml_files="rx-core.xml"
8103  ;;
8104  sh4|sh4eb)
8105    TARGET_ARCH=sh4
8106    TARGET_SYSTBL_ABI=common
8107    bflt="yes"
8108  ;;
8109  sparc)
8110    TARGET_SYSTBL_ABI=common,32
8111  ;;
8112  sparc64)
8113    TARGET_BASE_ARCH=sparc
8114    TARGET_SYSTBL_ABI=common,64
8115  ;;
8116  sparc32plus)
8117    TARGET_ARCH=sparc64
8118    TARGET_BASE_ARCH=sparc
8119    TARGET_ABI_DIR=sparc
8120    TARGET_SYSTBL_ABI=common,32
8121    echo "TARGET_ABI32=y" >> $config_target_mak
8122  ;;
8123  s390x)
8124    TARGET_SYSTBL_ABI=common,64
8125    mttcg=yes
8126    gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
8127  ;;
8128  tilegx)
8129  ;;
8130  tricore)
8131  ;;
8132  unicore32)
8133  ;;
8134  xtensa|xtensaeb)
8135    TARGET_ARCH=xtensa
8136    TARGET_SYSTBL_ABI=common
8137    bflt="yes"
8138    mttcg="yes"
8139  ;;
8140  *)
8141    error_exit "Unsupported target CPU"
8142  ;;
8143esac
8144# TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
8145if [ "$TARGET_BASE_ARCH" = "" ]; then
8146  TARGET_BASE_ARCH=$TARGET_ARCH
8147fi
8148
8149symlink "$source_path/Makefile.target" "$target_dir/Makefile"
8150
8151upper() {
8152    echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
8153}
8154
8155target_arch_name="$(upper $TARGET_ARCH)"
8156echo "TARGET_$target_arch_name=y" >> $config_target_mak
8157echo "TARGET_NAME=$target_name" >> $config_target_mak
8158echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
8159if [ "$TARGET_ABI_DIR" = "" ]; then
8160  TARGET_ABI_DIR=$TARGET_ARCH
8161fi
8162echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
8163if [ "$HOST_VARIANT_DIR" != "" ]; then
8164    echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
8165fi
8166if [ "$TARGET_SYSTBL_ABI" != "" ]; then
8167    echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
8168fi
8169
8170if supported_xen_target $target; then
8171    echo "CONFIG_XEN=y" >> $config_target_mak
8172    echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
8173    if test "$xen_pci_passthrough" = yes; then
8174        echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
8175    fi
8176else
8177    echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
8178fi
8179if supported_kvm_target $target; then
8180    echo "CONFIG_KVM=y" >> $config_target_mak
8181    echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
8182else
8183    echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
8184fi
8185if supported_hax_target $target; then
8186    echo "CONFIG_HAX=y" >> $config_target_mak
8187fi
8188if supported_hvf_target $target; then
8189    echo "CONFIG_HVF=y" >> $config_target_mak
8190fi
8191if supported_whpx_target $target; then
8192    echo "CONFIG_WHPX=y" >> $config_target_mak
8193fi
8194if test "$target_aligned_only" = "yes" ; then
8195  echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
8196fi
8197if test "$target_bigendian" = "yes" ; then
8198  echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
8199fi
8200if test "$target_softmmu" = "yes" ; then
8201  echo "CONFIG_SOFTMMU=y" >> $config_target_mak
8202  if test "$mttcg" = "yes" ; then
8203    echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
8204  fi
8205fi
8206if test "$target_user_only" = "yes" ; then
8207  echo "CONFIG_USER_ONLY=y" >> $config_target_mak
8208  echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
8209fi
8210if test "$target_linux_user" = "yes" ; then
8211  echo "CONFIG_LINUX_USER=y" >> $config_target_mak
8212fi
8213list=""
8214if test ! -z "$gdb_xml_files" ; then
8215  for x in $gdb_xml_files; do
8216    list="$list $source_path/gdb-xml/$x"
8217  done
8218  echo "TARGET_XML_FILES=$list" >> $config_target_mak
8219fi
8220
8221if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
8222  echo "TARGET_HAS_BFLT=y" >> $config_target_mak
8223fi
8224if test "$target_bsd_user" = "yes" ; then
8225  echo "CONFIG_BSD_USER=y" >> $config_target_mak
8226fi
8227
8228
8229# generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
8230
8231cflags=""
8232ldflags=""
8233
8234disas_config() {
8235  echo "CONFIG_${1}_DIS=y" >> $config_target_mak
8236  echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
8237}
8238
8239for i in $ARCH $TARGET_BASE_ARCH ; do
8240  case "$i" in
8241  alpha)
8242    disas_config "ALPHA"
8243  ;;
8244  aarch64)
8245    if test -n "${cxx}"; then
8246      disas_config "ARM_A64"
8247    fi
8248  ;;
8249  arm)
8250    disas_config "ARM"
8251    if test -n "${cxx}"; then
8252      disas_config "ARM_A64"
8253    fi
8254  ;;
8255  avr)
8256    disas_config "AVR"
8257  ;;
8258  cris)
8259    disas_config "CRIS"
8260  ;;
8261  hppa)
8262    disas_config "HPPA"
8263  ;;
8264  i386|x86_64|x32)
8265    disas_config "I386"
8266  ;;
8267  lm32)
8268    disas_config "LM32"
8269  ;;
8270  m68k)
8271    disas_config "M68K"
8272  ;;
8273  microblaze*)
8274    disas_config "MICROBLAZE"
8275  ;;
8276  mips*)
8277    disas_config "MIPS"
8278    if test -n "${cxx}"; then
8279      disas_config "NANOMIPS"
8280    fi
8281  ;;
8282  moxie*)
8283    disas_config "MOXIE"
8284  ;;
8285  nios2)
8286    disas_config "NIOS2"
8287  ;;
8288  or1k)
8289    disas_config "OPENRISC"
8290  ;;
8291  ppc*)
8292    disas_config "PPC"
8293  ;;
8294  riscv*)
8295    disas_config "RISCV"
8296  ;;
8297  rx)
8298    disas_config "RX"
8299  ;;
8300  s390*)
8301    disas_config "S390"
8302  ;;
8303  sh4)
8304    disas_config "SH4"
8305  ;;
8306  sparc*)
8307    disas_config "SPARC"
8308  ;;
8309  xtensa*)
8310    disas_config "XTENSA"
8311  ;;
8312  esac
8313done
8314if test "$tcg_interpreter" = "yes" ; then
8315  disas_config "TCI"
8316fi
8317
8318# Newer kernels on s390 check for an S390_PGSTE program header and
8319# enable the pgste page table extensions in that case. This makes
8320# the vm.allocate_pgste sysctl unnecessary. We enable this program
8321# header if
8322#  - we build on s390x
8323#  - we build the system emulation for s390x (qemu-system-s390x)
8324#  - KVM is enabled
8325#  - the linker supports --s390-pgste
8326if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
8327        test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
8328    if ld_has --s390-pgste ; then
8329        ldflags="-Wl,--s390-pgste $ldflags"
8330    fi
8331fi
8332
8333echo "QEMU_LDFLAGS+=$ldflags" >> $config_target_mak
8334echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
8335
8336done # for target in $targets
8337
8338echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
8339echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
8340
8341if [ "$fdt" = "git" ]; then
8342  echo "config-host.h: dtc/all" >> $config_host_mak
8343fi
8344if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8345  echo "config-host.h: capstone/all" >> $config_host_mak
8346fi
8347if test -n "$LIBCAPSTONE"; then
8348  echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8349fi
8350
8351if test "$numa" = "yes"; then
8352  echo "CONFIG_NUMA=y" >> $config_host_mak
8353fi
8354
8355if test "$ccache_cpp2" = "yes"; then
8356  echo "export CCACHE_CPP2=y" >> $config_host_mak
8357fi
8358
8359if test "$safe_stack" = "yes"; then
8360  echo "CONFIG_SAFESTACK=y" >> $config_host_mak
8361fi
8362
8363# If we're using a separate build tree, set it up now.
8364# DIRS are directories which we simply mkdir in the build tree;
8365# LINKS are things to symlink back into the source tree
8366# (these can be both files and directories).
8367# Caution: do not add files or directories here using wildcards. This
8368# will result in problems later if a new file matching the wildcard is
8369# added to the source tree -- nothing will cause configure to be rerun
8370# so the build tree will be missing the link back to the new file, and
8371# tests might fail. Prefer to keep the relevant files in their own
8372# directory and symlink the directory instead.
8373DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8374DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8375DIRS="$DIRS docs docs/interop fsdev scsi"
8376DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8377DIRS="$DIRS roms/seabios"
8378LINKS="Makefile"
8379LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
8380LINKS="$LINKS tests/tcg/Makefile.target tests/fp/Makefile"
8381LINKS="$LINKS tests/plugin/Makefile"
8382LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
8383LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8384LINKS="$LINKS roms/seabios/Makefile"
8385LINKS="$LINKS pc-bios/qemu-icon.bmp"
8386LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8387LINKS="$LINKS tests/acceptance tests/data"
8388LINKS="$LINKS tests/qemu-iotests/check"
8389LINKS="$LINKS python"
8390for bios_file in \
8391    $source_path/pc-bios/*.bin \
8392    $source_path/pc-bios/*.lid \
8393    $source_path/pc-bios/*.rom \
8394    $source_path/pc-bios/*.dtb \
8395    $source_path/pc-bios/*.img \
8396    $source_path/pc-bios/openbios-* \
8397    $source_path/pc-bios/u-boot.* \
8398    $source_path/pc-bios/edk2-*.fd.bz2 \
8399    $source_path/pc-bios/palcode-*
8400do
8401    LINKS="$LINKS pc-bios/$(basename $bios_file)"
8402done
8403mkdir -p $DIRS
8404for f in $LINKS ; do
8405    if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8406        symlink "$source_path/$f" "$f"
8407    fi
8408done
8409
8410(for i in $cross_cc_vars; do
8411  export $i
8412done
8413export target_list source_path use_containers
8414$source_path/tests/tcg/configure.sh)
8415
8416# temporary config to build submodules
8417for rom in seabios; do
8418    config_mak=roms/$rom/config.mak
8419    echo "# Automatically generated by configure - do not modify" > $config_mak
8420    echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8421    echo "AS=$as" >> $config_mak
8422    echo "CCAS=$ccas" >> $config_mak
8423    echo "CC=$cc" >> $config_mak
8424    echo "BCC=bcc" >> $config_mak
8425    echo "CPP=$cpp" >> $config_mak
8426    echo "OBJCOPY=objcopy" >> $config_mak
8427    echo "IASL=$iasl" >> $config_mak
8428    echo "LD=$ld" >> $config_mak
8429    echo "RANLIB=$ranlib" >> $config_mak
8430done
8431
8432# set up qemu-iotests in this build directory
8433iotests_common_env="tests/qemu-iotests/common.env"
8434
8435echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8436echo >> "$iotests_common_env"
8437echo "export PYTHON='$python'" >> "$iotests_common_env"
8438
8439if test "$skip_meson" = no; then
8440cross="config-meson.cross.new"
8441meson_quote() {
8442    echo "['$(echo $* | sed "s/ /','/g")']"
8443}
8444
8445echo "# Automatically generated by configure - do not modify" > $cross
8446echo "[properties]" >> $cross
8447test -z "$cxx" && echo "link_language = 'c'" >> $cross
8448echo "[binaries]" >> $cross
8449echo "c = $(meson_quote $cc)" >> $cross
8450test -n "$cxx" && echo "cpp = $(meson_quote $cxx)" >> $cross
8451echo "ar = $(meson_quote $ar)" >> $cross
8452echo "nm = $(meson_quote $nm)" >> $cross
8453echo "pkgconfig = $(meson_quote $pkg_config_exe)" >> $cross
8454echo "ranlib = $(meson_quote $ranlib)" >> $cross
8455echo "strip = $(meson_quote $strip)" >> $cross
8456echo "windres = $(meson_quote $windres)" >> $cross
8457if test -n "$cross_prefix"; then
8458    cross_arg="--cross-file config-meson.cross"
8459    # Hack: Meson expects an absolute path for the *build* machine
8460    # for the prefix, so add a slash in front of a Windows path that
8461    # includes a drive letter.
8462    #
8463    # See https://github.com/mesonbuild/meson/issues/7577.
8464    echo "[host_machine]" >> $cross
8465    if test "$mingw32" = "yes" ; then
8466        echo "system = 'windows'" >> $cross
8467        case $prefix in
8468            ?:*) pre_prefix=/ ;;
8469        esac
8470    fi
8471    case "$ARCH" in
8472        i386|x86_64)
8473            echo "cpu_family = 'x86'" >> $cross
8474            ;;
8475        ppc64le)
8476            echo "cpu_family = 'ppc64'" >> $cross
8477            ;;
8478        *)
8479            echo "cpu_family = '$ARCH'" >> $cross
8480            ;;
8481    esac
8482    echo "cpu = '$cpu'" >> $cross
8483    if test "$bigendian" = "yes" ; then
8484        echo "endian = 'big'" >> $cross
8485    else
8486        echo "endian = 'little'" >> $cross
8487    fi
8488else
8489    cross_arg="--native-file config-meson.cross"
8490fi
8491mv $cross config-meson.cross
8492
8493rm -rf meson-private meson-info meson-logs
8494NINJA=$PWD/ninjatool $meson setup \
8495        --prefix "${pre_prefix}$prefix" \
8496        --libdir "${pre_prefix}$libdir" \
8497        --libexecdir "${pre_prefix}$libexecdir" \
8498        --bindir "${pre_prefix}$bindir" \
8499        --includedir "${pre_prefix}$includedir" \
8500        --datadir "${pre_prefix}$datadir" \
8501        --mandir "${pre_prefix}$mandir" \
8502        --sysconfdir "${pre_prefix}$sysconfdir" \
8503        --localstatedir "${pre_prefix}$local_statedir" \
8504        -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
8505        -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
8506        -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
8507        -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
8508        -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
8509        -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
8510        $cross_arg \
8511        "$PWD" "$source_path"
8512
8513if test "$?" -ne 0 ; then
8514    error_exit "meson setup failed"
8515fi
8516touch ninjatool.stamp
8517fi
8518
8519# Save the configure command line for later reuse.
8520cat <<EOD >config.status
8521#!/bin/sh
8522# Generated by configure.
8523# Run this file to recreate the current configuration.
8524# Compiler output produced by configure, useful for debugging
8525# configure, is in config.log if it exists.
8526EOD
8527
8528preserve_env() {
8529    envname=$1
8530
8531    eval envval=\$$envname
8532
8533    if test -n "$envval"
8534    then
8535	echo "$envname='$envval'" >> config.status
8536	echo "export $envname" >> config.status
8537    else
8538	echo "unset $envname" >> config.status
8539    fi
8540}
8541
8542# Preserve various env variables that influence what
8543# features/build target configure will detect
8544preserve_env AR
8545preserve_env AS
8546preserve_env CC
8547preserve_env CPP
8548preserve_env CXX
8549preserve_env INSTALL
8550preserve_env LD
8551preserve_env LD_LIBRARY_PATH
8552preserve_env LIBTOOL
8553preserve_env MAKE
8554preserve_env NM
8555preserve_env OBJCOPY
8556preserve_env PATH
8557preserve_env PKG_CONFIG
8558preserve_env PKG_CONFIG_LIBDIR
8559preserve_env PKG_CONFIG_PATH
8560preserve_env PYTHON
8561preserve_env SDL2_CONFIG
8562preserve_env SMBD
8563preserve_env STRIP
8564preserve_env WINDRES
8565
8566printf "exec" >>config.status
8567for i in "$0" "$@"; do
8568  test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
8569done
8570echo ' "$@"' >>config.status
8571chmod +x config.status
8572
8573rm -r "$TMPDIR1"
8574