xref: /qemu/configure (revision 86d063fa)
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    if ! mkdir build || ! touch $MARKER
35    then
36        echo "ERROR: Could not create ./build directory. Check the permissions on"
37        echo "your source directory, or try doing an out-of-tree build."
38        exit 1
39    fi
40
41    cat > GNUmakefile <<'EOF'
42# This file is auto-generated by configure to support in-source tree
43# 'make' command invocation
44
45ifeq ($(MAKECMDGOALS),)
46recurse: all
47endif
48
49.NOTPARALLEL: %
50%: force
51	@echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
52	@$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
53	@if test "$(MAKECMDGOALS)" = "distclean" && \
54	    test -e build/auto-created-by-configure ; \
55	then \
56	    rm -rf build GNUmakefile ; \
57	fi
58force: ;
59.PHONY: force
60GNUmakefile: ;
61
62EOF
63    cd build
64    exec "$source_path/configure" "$@"
65fi
66
67# Temporary directory used for files created while
68# configure runs. Since it is in the build directory
69# we can safely blow away any previous version of it
70# (and we need not jump through hoops to try to delete
71# it when configure exits.)
72TMPDIR1="config-temp"
73rm -rf "${TMPDIR1}"
74if ! mkdir -p "${TMPDIR1}"; then
75    echo "ERROR: failed to create temporary directory"
76    exit 1
77fi
78
79TMPB="qemu-conf"
80TMPC="${TMPDIR1}/${TMPB}.c"
81TMPO="${TMPDIR1}/${TMPB}.o"
82TMPM="${TMPDIR1}/${TMPB}.m"
83TMPE="${TMPDIR1}/${TMPB}.exe"
84
85rm -f config.log
86
87# Print a helpful header at the top of config.log
88echo "# QEMU configure log $(date)" >> config.log
89printf "# Configured with:" >> config.log
90# repeat the invocation to log and stdout for CI
91invoke=$(printf " '%s'" "$0" "$@")
92test -n "$GITLAB_CI" && echo "configuring with: $invoke"
93{ echo "$invoke"; echo; echo "#"; } >> config.log
94
95quote_sh() {
96    printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
97}
98
99print_error() {
100    (echo
101    echo "ERROR: $1"
102    while test -n "$2"; do
103        echo "       $2"
104        shift
105    done
106    echo) >&2
107}
108
109error_exit() {
110    print_error "$@"
111    exit 1
112}
113
114do_compiler() {
115  # Run the compiler, capturing its output to the log. First argument
116  # is compiler binary to execute.
117  compiler="$1"
118  shift
119  if test -n "$BASH_VERSION"; then eval '
120      echo >>config.log "
121funcs: ${FUNCNAME[*]}
122lines: ${BASH_LINENO[*]}"
123  '; fi
124  echo $compiler "$@" >> config.log
125  $compiler "$@" >> config.log 2>&1 || return $?
126}
127
128do_compiler_werror() {
129    # Run the compiler, capturing its output to the log. First argument
130    # is compiler binary to execute.
131    compiler="$1"
132    shift
133    if test -n "$BASH_VERSION"; then eval '
134        echo >>config.log "
135funcs: ${FUNCNAME[*]}
136lines: ${BASH_LINENO[*]}"
137    '; fi
138    echo $compiler "$@" >> config.log
139    $compiler "$@" >> config.log 2>&1 || return $?
140    # Test passed. If this is an --enable-werror build, rerun
141    # the test with -Werror and bail out if it fails. This
142    # makes warning-generating-errors in configure test code
143    # obvious to developers.
144    if test "$werror" != "yes"; then
145        return 0
146    fi
147    # Don't bother rerunning the compile if we were already using -Werror
148    case "$*" in
149        *-Werror*)
150           return 0
151        ;;
152    esac
153    echo $compiler -Werror "$@" >> config.log
154    $compiler -Werror "$@" >> config.log 2>&1 && return $?
155    error_exit "configure test passed without -Werror but failed with -Werror." \
156        "This is probably a bug in the configure script. The failing command" \
157        "will be at the bottom of config.log." \
158        "You can run configure with --disable-werror to bypass this check."
159}
160
161do_cc() {
162    do_compiler_werror "$cc" $CPU_CFLAGS "$@"
163}
164
165do_objc() {
166    do_compiler_werror "$objcc" $CPU_CFLAGS "$@"
167}
168
169# Append $2 to the variable named $1, with space separation
170add_to() {
171    eval $1=\${$1:+\"\$$1 \"}\$2
172}
173
174compile_object() {
175  local_cflags="$1"
176  do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
177}
178
179compile_prog() {
180  local_cflags="$1"
181  local_ldflags="$2"
182  do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \
183      $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags
184}
185
186# symbolically link $1 to $2.  Portable version of "ln -sf".
187symlink() {
188  rm -rf "$2"
189  mkdir -p "$(dirname "$2")"
190  ln -s "$1" "$2"
191}
192
193# check whether a command is available to this shell (may be either an
194# executable or a builtin)
195has() {
196    type "$1" >/dev/null 2>&1
197}
198
199version_ge () {
200    local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
201    local_ver2=$(echo "$2" | tr . ' ')
202    while true; do
203        set x $local_ver1
204        local_first=${2-0}
205        # 'shift 2' if $2 is set, or 'shift' if $2 is not set
206        shift ${2:+2}
207        local_ver1=$*
208        set x $local_ver2
209        # the second argument finished, the first must be greater or equal
210        test $# = 1 && return 0
211        test $local_first -lt $2 && return 1
212        test $local_first -gt $2 && return 0
213        shift ${2:+2}
214        local_ver2=$*
215    done
216}
217
218if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
219then
220  error_exit "main directory cannot contain spaces nor colons"
221fi
222
223# default parameters
224cpu=""
225static="no"
226cross_compile="no"
227cross_prefix=""
228host_cc="cc"
229stack_protector=""
230safe_stack=""
231use_containers="yes"
232gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
233gdb_arches=""
234glib_has_gslice="no"
235
236if test -e "$source_path/.git"
237then
238    git_submodules_action="update"
239else
240    git_submodules_action="ignore"
241fi
242
243git_submodules="ui/keycodemapdb"
244git="git"
245
246# Don't accept a target_list environment variable.
247unset target_list
248unset target_list_exclude
249
250# Default value for a variable defining feature "foo".
251#  * foo="no"  feature will only be used if --enable-foo arg is given
252#  * foo=""    feature will be searched for, and if found, will be used
253#              unless --disable-foo is given
254#  * foo="yes" this value will only be set by --enable-foo flag.
255#              feature will searched for,
256#              if not found, configure exits with error
257#
258# Always add --enable-foo and --disable-foo command line args.
259# Distributions want to ensure that several features are compiled in, and it
260# is impossible without a --enable-foo that exits if a feature is not found.
261
262default_feature=""
263# parse CC options second
264for opt do
265  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
266  case "$opt" in
267      --without-default-features)
268          default_feature="no"
269  ;;
270  esac
271done
272
273EXTRA_CFLAGS=""
274EXTRA_CXXFLAGS=""
275EXTRA_OBJCFLAGS=""
276EXTRA_LDFLAGS=""
277
278debug_tcg="no"
279sanitizers="no"
280tsan="no"
281fortify_source="yes"
282EXESUF=""
283modules="no"
284prefix="/usr/local"
285qemu_suffix="qemu"
286softmmu="yes"
287linux_user=""
288bsd_user=""
289pie=""
290coroutine=""
291plugins="$default_feature"
292meson=""
293ninja=""
294bindir="bin"
295skip_meson=no
296vfio_user_server="disabled"
297
298# The following Meson options are handled manually (still they
299# are included in the automatically generated help message)
300
301# 1. Track which submodules are needed
302fdt="auto"
303
304# 2. Automatically enable/disable other options
305tcg="auto"
306cfi="false"
307
308# parse CC options second
309for opt do
310  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
311  case "$opt" in
312  --cross-prefix=*) cross_prefix="$optarg"
313                    cross_compile="yes"
314  ;;
315  --cc=*) CC="$optarg"
316  ;;
317  --cxx=*) CXX="$optarg"
318  ;;
319  --cpu=*) cpu="$optarg"
320  ;;
321  --extra-cflags=*)
322    EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
323    EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
324    EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
325    ;;
326  --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
327  ;;
328  --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
329  ;;
330  --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
331  ;;
332  --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
333  ;;
334  --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
335                      eval "cross_cc_cflags_${cc_arch}=\$optarg"
336  ;;
337  --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
338                eval "cross_cc_${cc_arch}=\$optarg"
339  ;;
340  --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
341  ;;
342  --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
343                    eval "cross_prefix_${cc_arch}=\$optarg"
344  ;;
345  esac
346done
347
348# Preferred compiler:
349#  ${CC} (if set)
350#  ${cross_prefix}gcc (if cross-prefix specified)
351#  system compiler
352if test -z "${CC}${cross_prefix}"; then
353  cc="$host_cc"
354else
355  cc="${CC-${cross_prefix}gcc}"
356fi
357
358if test -z "${CXX}${cross_prefix}"; then
359  cxx="c++"
360else
361  cxx="${CXX-${cross_prefix}g++}"
362fi
363
364ar="${AR-${cross_prefix}ar}"
365as="${AS-${cross_prefix}as}"
366ccas="${CCAS-$cc}"
367objcopy="${OBJCOPY-${cross_prefix}objcopy}"
368ld="${LD-${cross_prefix}ld}"
369ranlib="${RANLIB-${cross_prefix}ranlib}"
370nm="${NM-${cross_prefix}nm}"
371smbd="$SMBD"
372strip="${STRIP-${cross_prefix}strip}"
373widl="${WIDL-${cross_prefix}widl}"
374windres="${WINDRES-${cross_prefix}windres}"
375windmc="${WINDMC-${cross_prefix}windmc}"
376pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
377query_pkg_config() {
378    "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
379}
380pkg_config=query_pkg_config
381sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
382
383# default flags for all hosts
384# We use -fwrapv to tell the compiler that we require a C dialect where
385# left shift of signed integers is well defined and has the expected
386# 2s-complement style results. (Both clang and gcc agree that it
387# provides these semantics.)
388QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv"
389QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
390
391QEMU_LDFLAGS=
392
393# Flags that are needed during configure but later taken care of by Meson
394CONFIGURE_CFLAGS="-std=gnu11 -Wall"
395CONFIGURE_LDFLAGS=
396
397
398check_define() {
399cat > $TMPC <<EOF
400#if !defined($1)
401#error $1 not defined
402#endif
403int main(void) { return 0; }
404EOF
405  compile_object
406}
407
408check_include() {
409cat > $TMPC <<EOF
410#include <$1>
411int main(void) { return 0; }
412EOF
413  compile_object
414}
415
416write_c_skeleton() {
417    cat > $TMPC <<EOF
418int main(void) { return 0; }
419EOF
420}
421
422if check_define __linux__ ; then
423  targetos=linux
424elif check_define _WIN32 ; then
425  targetos=windows
426elif check_define __OpenBSD__ ; then
427  targetos=openbsd
428elif check_define __sun__ ; then
429  targetos=sunos
430elif check_define __HAIKU__ ; then
431  targetos=haiku
432elif check_define __FreeBSD__ ; then
433  targetos=freebsd
434elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
435  targetos=gnu/kfreebsd
436elif check_define __DragonFly__ ; then
437  targetos=dragonfly
438elif check_define __NetBSD__; then
439  targetos=netbsd
440elif check_define __APPLE__; then
441  targetos=darwin
442else
443  # This is a fatal error, but don't report it yet, because we
444  # might be going to just print the --help text, or it might
445  # be the result of a missing compiler.
446  targetos=bogus
447fi
448
449# OS specific
450
451mingw32="no"
452bsd="no"
453linux="no"
454solaris="no"
455case $targetos in
456windows)
457  mingw32="yes"
458  plugins="no"
459  pie="no"
460;;
461gnu/kfreebsd)
462  bsd="yes"
463;;
464freebsd)
465  bsd="yes"
466  make="${MAKE-gmake}"
467  # needed for kinfo_getvmmap(3) in libutil.h
468;;
469dragonfly)
470  bsd="yes"
471  make="${MAKE-gmake}"
472;;
473netbsd)
474  bsd="yes"
475  make="${MAKE-gmake}"
476;;
477openbsd)
478  bsd="yes"
479  make="${MAKE-gmake}"
480;;
481darwin)
482  bsd="yes"
483  darwin="yes"
484  # Disable attempts to use ObjectiveC features in os/object.h since they
485  # won't work when we're compiling with gcc as a C compiler.
486  QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
487;;
488sunos)
489  solaris="yes"
490  make="${MAKE-gmake}"
491# needed for CMSG_ macros in sys/socket.h
492  QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
493# needed for TIOCWIN* defines in termios.h
494  QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
495;;
496haiku)
497  pie="no"
498  QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS"
499;;
500linux)
501  linux="yes"
502;;
503esac
504
505if test ! -z "$cpu" ; then
506  # command line argument
507  :
508elif check_define __i386__ ; then
509  cpu="i386"
510elif check_define __x86_64__ ; then
511  if check_define __ILP32__ ; then
512    cpu="x32"
513  else
514    cpu="x86_64"
515  fi
516elif check_define __sparc__ ; then
517  if check_define __arch64__ ; then
518    cpu="sparc64"
519  else
520    cpu="sparc"
521  fi
522elif check_define _ARCH_PPC ; then
523  if check_define _ARCH_PPC64 ; then
524    if check_define _LITTLE_ENDIAN ; then
525      cpu="ppc64le"
526    else
527      cpu="ppc64"
528    fi
529  else
530    cpu="ppc"
531  fi
532elif check_define __mips__ ; then
533  cpu="mips"
534elif check_define __s390__ ; then
535  if check_define __s390x__ ; then
536    cpu="s390x"
537  else
538    cpu="s390"
539  fi
540elif check_define __riscv ; then
541  cpu="riscv"
542elif check_define __arm__ ; then
543  cpu="arm"
544elif check_define __aarch64__ ; then
545  cpu="aarch64"
546elif check_define __loongarch64 ; then
547  cpu="loongarch64"
548else
549  # Using uname is really broken, but it is just a fallback for architectures
550  # that are going to use TCI anyway
551  cpu=$(uname -m)
552  echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
553fi
554
555# Normalise host CPU name and set multilib cflags.  The canonicalization
556# isn't really necessary, because the architectures that we check for
557# should not hit the 'uname -m' case, but better safe than sorry.
558# Note that this case should only have supported host CPUs, not guests.
559case "$cpu" in
560  armv*b|armv*l|arm)
561    cpu="arm" ;;
562
563  i386|i486|i586|i686)
564    cpu="i386"
565    CPU_CFLAGS="-m32" ;;
566  x32)
567    cpu="x86_64"
568    CPU_CFLAGS="-mx32" ;;
569  x86_64|amd64)
570    cpu="x86_64"
571    # ??? Only extremely old AMD cpus do not have cmpxchg16b.
572    # If we truly care, we should simply detect this case at
573    # runtime and generate the fallback to serial emulation.
574    CPU_CFLAGS="-m64 -mcx16" ;;
575
576  mips*)
577    cpu="mips" ;;
578
579  ppc)
580    CPU_CFLAGS="-m32" ;;
581  ppc64)
582    CPU_CFLAGS="-m64 -mbig-endian" ;;
583  ppc64le)
584    cpu="ppc64"
585    CPU_CFLAGS="-m64 -mlittle-endian" ;;
586
587  s390)
588    CPU_CFLAGS="-m31" ;;
589  s390x)
590    CPU_CFLAGS="-m64" ;;
591
592  sparc|sun4[cdmuv])
593    cpu="sparc"
594    CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;;
595  sparc64)
596    CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;;
597esac
598
599: ${make=${MAKE-make}}
600
601
602check_py_version() {
603    # We require python >= 3.6.
604    # NB: a True python conditional creates a non-zero return code (Failure)
605    "$1" -c 'import sys; sys.exit(sys.version_info < (3,6))'
606}
607
608python=
609first_python=
610if test -z "${PYTHON}"; then
611    explicit_python=no
612    # A bare 'python' is traditionally python 2.x, but some distros
613    # have it as python 3.x, so check in both places.
614    for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7 python3.6; do
615        if has "$binary"; then
616            python=$(command -v "$binary")
617            if check_py_version "$python"; then
618                # This one is good.
619                first_python=
620                break
621            else
622                first_python=$python
623            fi
624        fi
625    done
626else
627    # Same as above, but only check the environment variable.
628    has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
629    python=$(command -v "$PYTHON")
630    explicit_python=yes
631    if check_py_version "$python"; then
632        # This one is good.
633        first_python=
634    else
635        first_python=$first_python
636    fi
637fi
638
639# Check for ancillary tools used in testing
640genisoimage=
641for binary in genisoimage mkisofs
642do
643    if has $binary
644    then
645        genisoimage=$(command -v "$binary")
646        break
647    fi
648done
649
650# Default objcc to clang if available, otherwise use CC
651if has clang; then
652  objcc=clang
653else
654  objcc="$cc"
655fi
656
657if test "$mingw32" = "yes" ; then
658  EXESUF=".exe"
659  # MinGW needs -mthreads for TLS and macro _MT.
660  CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
661  prefix="/qemu"
662  bindir=""
663  qemu_suffix=""
664fi
665
666werror=""
667
668meson_option_build_array() {
669  printf '['
670  (if test "$targetos" = windows; then
671    IFS=\;
672  else
673    IFS=:
674  fi
675  for e in $1; do
676    printf '"""'
677    # backslash escape any '\' and '"' characters
678    printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
679    printf '""",'
680  done)
681  printf ']\n'
682}
683
684. "$source_path/scripts/meson-buildoptions.sh"
685
686meson_options=
687meson_option_add() {
688  meson_options="$meson_options $(quote_sh "$1")"
689}
690meson_option_parse() {
691  meson_options="$meson_options $(_meson_option_parse "$@")"
692  if test $? -eq 1; then
693    echo "ERROR: unknown option $1"
694    echo "Try '$0 --help' for more information"
695    exit 1
696  fi
697}
698
699for opt do
700  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
701  case "$opt" in
702  --help|-h) show_help=yes
703  ;;
704  --version|-V) exec cat "$source_path/VERSION"
705  ;;
706  --prefix=*) prefix="$optarg"
707  ;;
708  --cross-prefix=*)
709  ;;
710  --cc=*)
711  ;;
712  --host-cc=*) host_cc="$optarg"
713  ;;
714  --cxx=*)
715  ;;
716  --objcc=*) objcc="$optarg"
717  ;;
718  --make=*) make="$optarg"
719  ;;
720  --install=*)
721  ;;
722  --python=*) python="$optarg" ; explicit_python=yes
723  ;;
724  --skip-meson) skip_meson=yes
725  ;;
726  --meson=*) meson="$optarg"
727  ;;
728  --ninja=*) ninja="$optarg"
729  ;;
730  --smbd=*) smbd="$optarg"
731  ;;
732  --extra-cflags=*)
733  ;;
734  --extra-cxxflags=*)
735  ;;
736  --extra-objcflags=*)
737  ;;
738  --extra-ldflags=*)
739  ;;
740  --cross-cc-*)
741  ;;
742  --cross-prefix-*)
743  ;;
744  --enable-debug-info) meson_option_add -Ddebug=true
745  ;;
746  --disable-debug-info) meson_option_add -Ddebug=false
747  ;;
748  --enable-modules)
749      modules="yes"
750  ;;
751  --disable-modules)
752      modules="no"
753  ;;
754  --cpu=*)
755  ;;
756  --target-list=*) target_list="$optarg"
757                   if test "$target_list_exclude"; then
758                       error_exit "Can't mix --target-list with --target-list-exclude"
759                   fi
760  ;;
761  --target-list-exclude=*) target_list_exclude="$optarg"
762                   if test "$target_list"; then
763                       error_exit "Can't mix --target-list-exclude with --target-list"
764                   fi
765  ;;
766  --with-default-devices) meson_option_add -Ddefault_devices=true
767  ;;
768  --without-default-devices) meson_option_add -Ddefault_devices=false
769  ;;
770  --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
771  ;;
772  --with-devices-*) device_arch=${opt#--with-devices-};
773                    device_arch=${device_arch%%=*}
774                    cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
775                    if test -f "$cf"; then
776                        device_archs="$device_archs $device_arch"
777                        eval "devices_${device_arch}=\$optarg"
778                    else
779                        error_exit "File $cf does not exist"
780                    fi
781  ;;
782  --without-default-features) # processed above
783  ;;
784  --static)
785    static="yes"
786    QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
787  ;;
788  --bindir=*) bindir="$optarg"
789  ;;
790  --with-suffix=*) qemu_suffix="$optarg"
791  ;;
792  --host=*|--build=*|\
793  --disable-dependency-tracking|\
794  --sbindir=*|--sharedstatedir=*|\
795  --oldincludedir=*|--datarootdir=*|--infodir=*|\
796  --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
797    # These switches are silently ignored, for compatibility with
798    # autoconf-generated configure scripts. This allows QEMU's
799    # configure to be used by RPM and similar macros that set
800    # lots of directory switches by default.
801  ;;
802  --enable-debug-tcg) debug_tcg="yes"
803  ;;
804  --disable-debug-tcg) debug_tcg="no"
805  ;;
806  --enable-debug)
807      # Enable debugging options that aren't excessively noisy
808      debug_tcg="yes"
809      meson_option_parse --enable-debug-mutex ""
810      meson_option_add -Doptimization=0
811      fortify_source="no"
812  ;;
813  --enable-sanitizers) sanitizers="yes"
814  ;;
815  --disable-sanitizers) sanitizers="no"
816  ;;
817  --enable-tsan) tsan="yes"
818  ;;
819  --disable-tsan) tsan="no"
820  ;;
821  --disable-tcg) tcg="disabled"
822                 plugins="no"
823  ;;
824  --enable-tcg) tcg="enabled"
825  ;;
826  --disable-system) softmmu="no"
827  ;;
828  --enable-system) softmmu="yes"
829  ;;
830  --disable-user)
831      linux_user="no" ;
832      bsd_user="no" ;
833  ;;
834  --enable-user) ;;
835  --disable-linux-user) linux_user="no"
836  ;;
837  --enable-linux-user) linux_user="yes"
838  ;;
839  --disable-bsd-user) bsd_user="no"
840  ;;
841  --enable-bsd-user) bsd_user="yes"
842  ;;
843  --enable-pie) pie="yes"
844  ;;
845  --disable-pie) pie="no"
846  ;;
847  --enable-werror) werror="yes"
848  ;;
849  --disable-werror) werror="no"
850  ;;
851  --enable-stack-protector) stack_protector="yes"
852  ;;
853  --disable-stack-protector) stack_protector="no"
854  ;;
855  --enable-safe-stack) safe_stack="yes"
856  ;;
857  --disable-safe-stack) safe_stack="no"
858  ;;
859  --enable-cfi)
860      cfi="true";
861      meson_option_add -Db_lto=true
862  ;;
863  --disable-cfi) cfi="false"
864  ;;
865  --disable-fdt) fdt="disabled"
866  ;;
867  --enable-fdt) fdt="enabled"
868  ;;
869  --enable-fdt=git) fdt="internal"
870  ;;
871  --enable-fdt=*) fdt="$optarg"
872  ;;
873  --with-coroutine=*) coroutine="$optarg"
874  ;;
875  --with-git=*) git="$optarg"
876  ;;
877  --with-git-submodules=*)
878      git_submodules_action="$optarg"
879  ;;
880  --enable-plugins) if test "$mingw32" = "yes"; then
881                        error_exit "TCG plugins not currently supported on Windows platforms"
882                    else
883                        plugins="yes"
884                    fi
885  ;;
886  --disable-plugins) plugins="no"
887  ;;
888  --enable-containers) use_containers="yes"
889  ;;
890  --disable-containers) use_containers="no"
891  ;;
892  --gdb=*) gdb_bin="$optarg"
893  ;;
894  --enable-vfio-user-server) vfio_user_server="enabled"
895  ;;
896  --disable-vfio-user-server) vfio_user_server="disabled"
897  ;;
898  # everything else has the same name in configure and meson
899  --*) meson_option_parse "$opt" "$optarg"
900  ;;
901  esac
902done
903
904# test for any invalid configuration combinations
905if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
906    error_exit "Can't enable plugins on non-TCG builds"
907fi
908
909case $git_submodules_action in
910    update|validate)
911        if test ! -e "$source_path/.git"; then
912            echo "ERROR: cannot $git_submodules_action git submodules without .git"
913            exit 1
914        fi
915    ;;
916    ignore)
917        if ! test -f "$source_path/ui/keycodemapdb/README"
918        then
919            echo
920            echo "ERROR: missing GIT submodules"
921            echo
922            if test -e "$source_path/.git"; then
923                echo "--with-git-submodules=ignore specified but submodules were not"
924                echo "checked out.  Please initialize and update submodules."
925            else
926                echo "This is not a GIT checkout but module content appears to"
927                echo "be missing. Do not use 'git archive' or GitHub download links"
928                echo "to acquire QEMU source archives. Non-GIT builds are only"
929                echo "supported with source archives linked from:"
930                echo
931                echo "  https://www.qemu.org/download/#source"
932                echo
933                echo "Developers working with GIT can use scripts/archive-source.sh"
934                echo "if they need to create valid source archives."
935            fi
936            echo
937            exit 1
938        fi
939    ;;
940    *)
941        echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'"
942        exit 1
943    ;;
944esac
945
946default_target_list=""
947mak_wilds=""
948
949if [ "$linux_user" != no ]; then
950    if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then
951        linux_user=yes
952    elif [ "$linux_user" = yes ]; then
953        error_exit "linux-user not supported on this architecture"
954    fi
955fi
956if [ "$bsd_user" != no ]; then
957    if [ "$bsd_user" = "" ]; then
958        test $targetos = freebsd && bsd_user=yes
959    fi
960    if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
961        error_exit "bsd-user not supported on this host OS"
962    fi
963fi
964if [ "$softmmu" = "yes" ]; then
965    mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
966fi
967if [ "$linux_user" = "yes" ]; then
968    mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
969fi
970if [ "$bsd_user" = "yes" ]; then
971    mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
972fi
973
974for config in $mak_wilds; do
975    target="$(basename "$config" .mak)"
976    if echo "$target_list_exclude" | grep -vq "$target"; then
977        default_target_list="${default_target_list} $target"
978    fi
979done
980
981if test x"$show_help" = x"yes" ; then
982cat << EOF
983
984Usage: configure [options]
985Options: [defaults in brackets after descriptions]
986
987Standard options:
988  --help                   print this message
989  --prefix=PREFIX          install in PREFIX [$prefix]
990  --target-list=LIST       set target list (default: build all)
991$(echo Available targets: $default_target_list | \
992  fold -s -w 53 | sed -e 's/^/                           /')
993  --target-list-exclude=LIST exclude a set of targets from the default target-list
994
995Advanced options (experts only):
996  --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
997  --cc=CC                  use C compiler CC [$cc]
998  --host-cc=CC             use C compiler CC [$host_cc] for code run at
999                           build time
1000  --cxx=CXX                use C++ compiler CXX [$cxx]
1001  --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1002  --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
1003  --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
1004  --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
1005  --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1006  --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1007  --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
1008  --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
1009  --make=MAKE              use specified make [$make]
1010  --python=PYTHON          use specified python [$python]
1011  --meson=MESON            use specified meson [$meson]
1012  --ninja=NINJA            use specified ninja [$ninja]
1013  --smbd=SMBD              use specified smbd [$smbd]
1014  --with-git=GIT           use specified git [$git]
1015  --with-git-submodules=update   update git submodules (default if .git dir exists)
1016  --with-git-submodules=validate fail if git submodules are not up to date
1017  --with-git-submodules=ignore   do not update or check git submodules (default if no .git dir)
1018  --static                 enable static build [$static]
1019  --bindir=PATH            install binaries in PATH
1020  --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
1021  --without-default-features default all --enable-* options to "disabled"
1022  --without-default-devices  do not include any device that is not needed to
1023                           start the emulator (only use if you are including
1024                           desired devices in configs/devices/)
1025  --with-devices-ARCH=NAME override default configs/devices
1026  --enable-debug           enable common debug build options
1027  --enable-sanitizers      enable default sanitizers
1028  --enable-tsan            enable thread sanitizer
1029  --disable-werror         disable compilation abort on warning
1030  --disable-stack-protector disable compiler-provided stack protection
1031  --cpu=CPU                Build for host CPU [$cpu]
1032  --with-coroutine=BACKEND coroutine backend. Supported options:
1033                           ucontext, sigaltstack, windows
1034  --enable-plugins
1035                           enable plugins via shared library loading
1036  --disable-containers     don't use containers for cross-building
1037  --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1038EOF
1039  meson_options_help
1040cat << EOF
1041  system          all system emulation targets
1042  user            supported user emulation targets
1043  linux-user      all linux usermode emulation targets
1044  bsd-user        all BSD usermode emulation targets
1045  pie             Position Independent Executables
1046  modules         modules support (non-Windows)
1047  debug-tcg       TCG debugging (default is disabled)
1048  debug-info      debugging information
1049  safe-stack      SafeStack Stack Smash Protection. Depends on
1050                  clang/llvm and requires coroutine backend ucontext.
1051
1052NOTE: The object files are built at the place where configure is launched
1053EOF
1054exit 0
1055fi
1056
1057# Remove old dependency files to make sure that they get properly regenerated
1058rm -f ./*/config-devices.mak.d
1059
1060if test -z "$python"
1061then
1062    # If first_python is set, there was a binary somewhere even though
1063    # it was not suitable.  Use it for the error message.
1064    if test -n "$first_python"; then
1065        error_exit "Cannot use '$first_python', Python >= 3.6 is required." \
1066            "Use --python=/path/to/python to specify a supported Python."
1067    else
1068        error_exit "Python not found. Use --python=/path/to/python"
1069    fi
1070fi
1071
1072if ! has "$make"
1073then
1074    error_exit "GNU make ($make) not found"
1075fi
1076
1077if ! check_py_version "$python"; then
1078  error_exit "Cannot use '$python', Python >= 3.6 is required." \
1079      "Use --python=/path/to/python to specify a supported Python."
1080fi
1081
1082# Resolve PATH + suppress writing compiled files
1083python="$(command -v "$python") -B"
1084
1085has_meson() {
1086  local python_dir=$(dirname "$python")
1087  # PEP405: pyvenv.cfg is either adjacent to the Python executable
1088  # or one directory above
1089  if test -f $python_dir/pyvenv.cfg || test -f $python_dir/../pyvenv.cfg; then
1090    # Ensure that Meson and Python come from the same virtual environment
1091    test -x "$python_dir/meson" &&
1092      test "$(command -v meson)" -ef "$python_dir/meson"
1093  else
1094    has meson
1095  fi
1096}
1097
1098if test -z "$meson"; then
1099    if test "$explicit_python" = no && has_meson && version_ge "$(meson --version)" 0.61.5; then
1100        meson=meson
1101    elif test "$git_submodules_action" != 'ignore' ; then
1102        meson=git
1103    elif test -e "${source_path}/meson/meson.py" ; then
1104        meson=internal
1105    else
1106        if test "$explicit_python" = yes; then
1107            error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1108        else
1109            error_exit "Meson not found.  Use --meson=/path/to/meson"
1110        fi
1111    fi
1112else
1113    # Meson uses its own Python interpreter to invoke other Python scripts,
1114    # but the user wants to use the one they specified with --python.
1115    #
1116    # We do not want to override the distro Python interpreter (and sometimes
1117    # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1118    # just require --meson=git|internal together with --python.
1119    if test "$explicit_python" = yes; then
1120        case "$meson" in
1121            git | internal) ;;
1122            *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1123        esac
1124    fi
1125fi
1126
1127if test "$meson" = git; then
1128    git_submodules="${git_submodules} meson"
1129fi
1130
1131case "$meson" in
1132    git | internal)
1133        meson="$python ${source_path}/meson/meson.py"
1134        ;;
1135    *) meson=$(command -v "$meson") ;;
1136esac
1137
1138# Probe for ninja
1139
1140if test -z "$ninja"; then
1141    for c in ninja ninja-build samu; do
1142        if has $c; then
1143            ninja=$(command -v "$c")
1144            break
1145        fi
1146    done
1147    if test -z "$ninja"; then
1148      error_exit "Cannot find Ninja"
1149    fi
1150fi
1151
1152# Check that the C compiler works. Doing this here before testing
1153# the host CPU ensures that we had a valid CC to autodetect the
1154# $cpu var (and we should bail right here if that's not the case).
1155# It also allows the help message to be printed without a CC.
1156write_c_skeleton;
1157if compile_object ; then
1158  : C compiler works ok
1159else
1160    error_exit "\"$cc\" either does not exist or does not work"
1161fi
1162if ! compile_prog ; then
1163    error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1164fi
1165
1166# Consult white-list to determine whether to enable werror
1167# by default.  Only enable by default for git builds
1168if test -z "$werror" ; then
1169    if test "$git_submodules_action" != "ignore" && \
1170        { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1171        werror="yes"
1172    else
1173        werror="no"
1174    fi
1175fi
1176
1177if test "$targetos" = "bogus"; then
1178    # Now that we know that we're not printing the help and that
1179    # the compiler works (so the results of the check_defines we used
1180    # to identify the OS are reliable), if we didn't recognize the
1181    # host OS we should stop now.
1182    error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1183fi
1184
1185# Check whether the compiler matches our minimum requirements:
1186cat > $TMPC << EOF
1187#if defined(__clang_major__) && defined(__clang_minor__)
1188# ifdef __apple_build_version__
1189#  if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
1190#   error You need at least XCode Clang v12.0 to compile QEMU
1191#  endif
1192# else
1193#  if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
1194#   error You need at least Clang v10.0 to compile QEMU
1195#  endif
1196# endif
1197#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1198# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4)
1199#  error You need at least GCC v7.4.0 to compile QEMU
1200# endif
1201#else
1202# error You either need GCC or Clang to compiler QEMU
1203#endif
1204int main (void) { return 0; }
1205EOF
1206if ! compile_prog "" "" ; then
1207    error_exit "You need at least GCC v7.4 or Clang v10.0 (or XCode Clang v12.0)"
1208fi
1209
1210# Accumulate -Wfoo and -Wno-bar separately.
1211# We will list all of the enable flags first, and the disable flags second.
1212# Note that we do not add -Werror, because that would enable it for all
1213# configure tests. If a configure test failed due to -Werror this would
1214# just silently disable some features, so it's too error prone.
1215
1216warn_flags=
1217add_to warn_flags -Wundef
1218add_to warn_flags -Wwrite-strings
1219add_to warn_flags -Wmissing-prototypes
1220add_to warn_flags -Wstrict-prototypes
1221add_to warn_flags -Wredundant-decls
1222add_to warn_flags -Wold-style-declaration
1223add_to warn_flags -Wold-style-definition
1224add_to warn_flags -Wtype-limits
1225add_to warn_flags -Wformat-security
1226add_to warn_flags -Wformat-y2k
1227add_to warn_flags -Winit-self
1228add_to warn_flags -Wignored-qualifiers
1229add_to warn_flags -Wempty-body
1230add_to warn_flags -Wnested-externs
1231add_to warn_flags -Wendif-labels
1232add_to warn_flags -Wexpansion-to-defined
1233add_to warn_flags -Wimplicit-fallthrough=2
1234add_to warn_flags -Wmissing-format-attribute
1235
1236if test "$targetos" != "darwin"; then
1237    add_to warn_flags -Wthread-safety
1238fi
1239
1240nowarn_flags=
1241add_to nowarn_flags -Wno-initializer-overrides
1242add_to nowarn_flags -Wno-missing-include-dirs
1243add_to nowarn_flags -Wno-shift-negative-value
1244add_to nowarn_flags -Wno-string-plus-int
1245add_to nowarn_flags -Wno-typedef-redefinition
1246add_to nowarn_flags -Wno-tautological-type-limit-compare
1247add_to nowarn_flags -Wno-psabi
1248add_to nowarn_flags -Wno-gnu-variable-sized-type-not-at-end
1249
1250gcc_flags="$warn_flags $nowarn_flags"
1251
1252cc_has_warning_flag() {
1253    write_c_skeleton;
1254
1255    # Use the positive sense of the flag when testing for -Wno-wombat
1256    # support (gcc will happily accept the -Wno- form of unknown
1257    # warning options).
1258    optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1259    compile_prog "-Werror $optflag" ""
1260}
1261
1262objcc_has_warning_flag() {
1263    cat > $TMPM <<EOF
1264int main(void) { return 0; }
1265EOF
1266
1267    # Use the positive sense of the flag when testing for -Wno-wombat
1268    # support (gcc will happily accept the -Wno- form of unknown
1269    # warning options).
1270    optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1271    do_objc -Werror $optflag \
1272      $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \
1273      -o $TMPE $TMPM $QEMU_LDFLAGS
1274}
1275
1276for flag in $gcc_flags; do
1277    if cc_has_warning_flag $flag ; then
1278        QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1279    fi
1280    if objcc_has_warning_flag $flag ; then
1281        QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag"
1282    fi
1283done
1284
1285if test "$stack_protector" != "no"; then
1286  cat > $TMPC << EOF
1287int main(int argc, char *argv[])
1288{
1289    char arr[64], *p = arr, *c = argv[argc - 1];
1290    while (*c) {
1291        *p++ = *c++;
1292    }
1293    return 0;
1294}
1295EOF
1296  gcc_flags="-fstack-protector-strong -fstack-protector-all"
1297  sp_on=0
1298  for flag in $gcc_flags; do
1299    # We need to check both a compile and a link, since some compiler
1300    # setups fail only on a .c->.o compile and some only at link time
1301    if compile_object "-Werror $flag" &&
1302       compile_prog "-Werror $flag" ""; then
1303      QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1304      QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1305      sp_on=1
1306      break
1307    fi
1308  done
1309  if test "$stack_protector" = yes; then
1310    if test $sp_on = 0; then
1311      error_exit "Stack protector not supported"
1312    fi
1313  fi
1314fi
1315
1316# Our module code doesn't support Windows
1317if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
1318  error_exit "Modules are not available for Windows"
1319fi
1320
1321# Static linking is not possible with plugins, modules or PIE
1322if test "$static" = "yes" ; then
1323  if test "$modules" = "yes" ; then
1324    error_exit "static and modules are mutually incompatible"
1325  fi
1326  if test "$plugins" = "yes"; then
1327    error_exit "static and plugins are mutually incompatible"
1328  else
1329    plugins="no"
1330  fi
1331fi
1332test "$plugins" = "" && plugins=yes
1333
1334cat > $TMPC << EOF
1335
1336#ifdef __linux__
1337#  define THREAD __thread
1338#else
1339#  define THREAD
1340#endif
1341static THREAD int tls_var;
1342int main(void) { return tls_var; }
1343EOF
1344
1345# Meson currently only handles pie as a boolean for now so if we have
1346# explicitly disabled PIE we need to extend our cflags because it wont.
1347if test "$static" = "yes"; then
1348  if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1349    CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
1350    pie="yes"
1351  elif test "$pie" = "yes"; then
1352    error_exit "-static-pie not available due to missing toolchain support"
1353  else
1354    pie="no"
1355    QEMU_CFLAGS="-fno-pie $QEMU_CFLAGS"
1356  fi
1357elif test "$pie" = "no"; then
1358  if compile_prog "-Werror -fno-pie" "-no-pie"; then
1359    CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS"
1360    CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS"
1361    QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS"
1362  fi
1363elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1364  CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
1365  CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
1366  pie="yes"
1367elif test "$pie" = "yes"; then
1368  error_exit "PIE not available due to missing toolchain support"
1369else
1370  echo "Disabling PIE due to missing toolchain support"
1371  pie="no"
1372fi
1373
1374##########################################
1375# __sync_fetch_and_and requires at least -march=i486. Many toolchains
1376# use i686 as default anyway, but for those that don't, an explicit
1377# specification is necessary
1378
1379if test "$cpu" = "i386"; then
1380  cat > $TMPC << EOF
1381static int sfaa(int *ptr)
1382{
1383  return __sync_fetch_and_and(ptr, 0);
1384}
1385
1386int main(void)
1387{
1388  int val = 42;
1389  val = __sync_val_compare_and_swap(&val, 0, 1);
1390  sfaa(&val);
1391  return val;
1392}
1393EOF
1394  if ! compile_prog "" "" ; then
1395    QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1396  fi
1397fi
1398
1399if test -z "${target_list+xxx}" ; then
1400    default_targets=yes
1401    for target in $default_target_list; do
1402        target_list="$target_list $target"
1403    done
1404    target_list="${target_list# }"
1405else
1406    default_targets=no
1407    target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1408    for target in $target_list; do
1409        # Check that we recognised the target name; this allows a more
1410        # friendly error message than if we let it fall through.
1411        case " $default_target_list " in
1412            *" $target "*)
1413                ;;
1414            *)
1415                error_exit "Unknown target name '$target'"
1416                ;;
1417        esac
1418    done
1419fi
1420
1421# see if system emulation was really requested
1422case " $target_list " in
1423  *"-softmmu "*) softmmu=yes
1424  ;;
1425  *) softmmu=no
1426  ;;
1427esac
1428
1429if test "$tcg" = "auto"; then
1430  if test -z "$target_list"; then
1431    tcg="disabled"
1432  else
1433    tcg="enabled"
1434  fi
1435fi
1436
1437if test "$tcg" = "enabled"; then
1438    git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
1439    git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
1440fi
1441
1442##########################################
1443# big/little endian test
1444cat > $TMPC << EOF
1445#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1446# error LITTLE
1447#endif
1448int main(void) { return 0; }
1449EOF
1450
1451if ! compile_prog ; then
1452  bigendian="no"
1453else
1454  cat > $TMPC << EOF
1455#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1456# error BIG
1457#endif
1458int main(void) { return 0; }
1459EOF
1460
1461  if ! compile_prog ; then
1462    bigendian="yes"
1463  else
1464    echo big/little test failed
1465    exit 1
1466  fi
1467fi
1468
1469##########################################
1470# pkg-config probe
1471
1472if ! has "$pkg_config_exe"; then
1473  error_exit "pkg-config binary '$pkg_config_exe' not found"
1474fi
1475
1476##########################################
1477# glib support probe
1478
1479# When bumping glib_req_ver, please check also whether we should increase
1480# the _WIN32_WINNT setting in osdep.h according to the value from glib
1481glib_req_ver=2.56
1482glib_modules=gthread-2.0
1483if test "$modules" = yes; then
1484    glib_modules="$glib_modules gmodule-export-2.0"
1485elif test "$plugins" = "yes"; then
1486    glib_modules="$glib_modules gmodule-no-export-2.0"
1487fi
1488
1489for i in $glib_modules; do
1490    if $pkg_config --atleast-version=$glib_req_ver $i; then
1491        glib_cflags=$($pkg_config --cflags $i)
1492        glib_libs=$($pkg_config --libs $i)
1493    else
1494        error_exit "glib-$glib_req_ver $i is required to compile QEMU"
1495    fi
1496done
1497
1498# Check whether glib has gslice, which we have to avoid for correctness.
1499# TODO: remove this check and the corresponding workaround (qtree) when
1500# the minimum supported glib is >= $glib_dropped_gslice_version.
1501glib_dropped_gslice_version=2.75.3
1502for i in $glib_modules; do
1503    if ! $pkg_config --atleast-version=$glib_dropped_gslice_version $i; then
1504        glib_has_gslice="yes"
1505	break
1506    fi
1507done
1508
1509glib_bindir="$($pkg_config --variable=bindir glib-2.0)"
1510if test -z "$glib_bindir" ; then
1511	glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin
1512fi
1513
1514# This workaround is required due to a bug in pkg-config file for glib as it
1515# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
1516
1517if test "$static" = yes && test "$mingw32" = yes; then
1518    glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
1519fi
1520
1521# Sanity check that the current size_t matches the
1522# size that glib thinks it should be. This catches
1523# problems on multi-arch where people try to build
1524# 32-bit QEMU while pointing at 64-bit glib headers
1525cat > $TMPC <<EOF
1526#include <glib.h>
1527#include <unistd.h>
1528
1529#define QEMU_BUILD_BUG_ON(x) \
1530  typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
1531
1532int main(void) {
1533   QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
1534   return 0;
1535}
1536EOF
1537
1538if ! compile_prog "$glib_cflags" "$glib_libs" ; then
1539    error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
1540               "You probably need to set PKG_CONFIG_LIBDIR"\
1541	       "to point to the right pkg-config files for your"\
1542	       "build target"
1543fi
1544
1545# Silence clang warnings triggered by glib < 2.57.2
1546cat > $TMPC << EOF
1547#include <glib.h>
1548typedef struct Foo {
1549    int i;
1550} Foo;
1551static void foo_free(Foo *f)
1552{
1553    g_free(f);
1554}
1555G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
1556int main(void) { return 0; }
1557EOF
1558if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
1559    if cc_has_warning_flag "-Wno-unused-function"; then
1560        glib_cflags="$glib_cflags -Wno-unused-function"
1561        CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
1562    fi
1563fi
1564
1565##########################################
1566# fdt probe
1567
1568case "$fdt" in
1569  auto | enabled | internal)
1570    # Simpler to always update submodule, even if not needed.
1571    git_submodules="${git_submodules} dtc"
1572    ;;
1573esac
1574
1575##########################################
1576# check and set a backend for coroutine
1577
1578# We prefer ucontext, but it's not always possible. The fallback
1579# is sigcontext. On Windows the only valid backend is the Windows
1580# specific one.
1581
1582ucontext_works=no
1583if test "$darwin" != "yes"; then
1584  cat > $TMPC << EOF
1585#include <ucontext.h>
1586#ifdef __stub_makecontext
1587#error Ignoring glibc stub makecontext which will always fail
1588#endif
1589int main(void) { makecontext(0, 0, 0); return 0; }
1590EOF
1591  if compile_prog "" "" ; then
1592    ucontext_works=yes
1593  fi
1594fi
1595
1596if test "$coroutine" = ""; then
1597  if test "$mingw32" = "yes"; then
1598    coroutine=win32
1599  elif test "$ucontext_works" = "yes"; then
1600    coroutine=ucontext
1601  else
1602    coroutine=sigaltstack
1603  fi
1604else
1605  case $coroutine in
1606  windows)
1607    if test "$mingw32" != "yes"; then
1608      error_exit "'windows' coroutine backend only valid for Windows"
1609    fi
1610    # Unfortunately the user visible backend name doesn't match the
1611    # coroutine-*.c filename for this case, so we have to adjust it here.
1612    coroutine=win32
1613    ;;
1614  ucontext)
1615    if test "$ucontext_works" != "yes"; then
1616      error_exit "'ucontext' backend requested but makecontext not available"
1617    fi
1618    ;;
1619  sigaltstack)
1620    if test "$mingw32" = "yes"; then
1621      error_exit "only the 'windows' coroutine backend is valid for Windows"
1622    fi
1623    ;;
1624  *)
1625    error_exit "unknown coroutine backend $coroutine"
1626    ;;
1627  esac
1628fi
1629
1630##################################################
1631# SafeStack
1632
1633
1634if test "$safe_stack" = "yes"; then
1635cat > $TMPC << EOF
1636int main(void)
1637{
1638#if ! __has_feature(safe_stack)
1639#error SafeStack Disabled
1640#endif
1641    return 0;
1642}
1643EOF
1644  flag="-fsanitize=safe-stack"
1645  # Check that safe-stack is supported and enabled.
1646  if compile_prog "-Werror $flag" "$flag"; then
1647    # Flag needed both at compilation and at linking
1648    QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1649    QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1650  else
1651    error_exit "SafeStack not supported by your compiler"
1652  fi
1653  if test "$coroutine" != "ucontext"; then
1654    error_exit "SafeStack is only supported by the coroutine backend ucontext"
1655  fi
1656else
1657cat > $TMPC << EOF
1658int main(void)
1659{
1660#if defined(__has_feature)
1661#if __has_feature(safe_stack)
1662#error SafeStack Enabled
1663#endif
1664#endif
1665    return 0;
1666}
1667EOF
1668if test "$safe_stack" = "no"; then
1669  # Make sure that safe-stack is disabled
1670  if ! compile_prog "-Werror" ""; then
1671    # SafeStack was already enabled, try to explicitly remove the feature
1672    flag="-fno-sanitize=safe-stack"
1673    if ! compile_prog "-Werror $flag" "$flag"; then
1674      error_exit "Configure cannot disable SafeStack"
1675    fi
1676    QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1677    QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1678  fi
1679else # "$safe_stack" = ""
1680  # Set safe_stack to yes or no based on pre-existing flags
1681  if compile_prog "-Werror" ""; then
1682    safe_stack="no"
1683  else
1684    safe_stack="yes"
1685    if test "$coroutine" != "ucontext"; then
1686      error_exit "SafeStack is only supported by the coroutine backend ucontext"
1687    fi
1688  fi
1689fi
1690fi
1691
1692########################################
1693# check if ccache is interfering with
1694# semantic analysis of macros
1695
1696unset CCACHE_CPP2
1697ccache_cpp2=no
1698cat > $TMPC << EOF
1699static const int Z = 1;
1700#define fn() ({ Z; })
1701#define TAUT(X) ((X) == Z)
1702#define PAREN(X, Y) (X == Y)
1703#define ID(X) (X)
1704int main(void)
1705{
1706    int x = 0, y = 0;
1707    x = ID(x);
1708    x = fn();
1709    fn();
1710    if (PAREN(x, y)) return 0;
1711    if (TAUT(Z)) return 0;
1712    return 0;
1713}
1714EOF
1715
1716if ! compile_object "-Werror"; then
1717    ccache_cpp2=yes
1718fi
1719
1720#################################################
1721# clang does not support glibc + FORTIFY_SOURCE.
1722
1723if test "$fortify_source" != "no"; then
1724  if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
1725    fortify_source="no";
1726  elif test -n "$cxx" && has $cxx &&
1727       echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
1728    fortify_source="no";
1729  else
1730    fortify_source="yes"
1731  fi
1732fi
1733
1734##########################################
1735# checks for sanitizers
1736
1737have_asan=no
1738have_ubsan=no
1739have_asan_iface_h=no
1740have_asan_iface_fiber=no
1741
1742if test "$sanitizers" = "yes" ; then
1743  write_c_skeleton
1744  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
1745      have_asan=yes
1746  fi
1747
1748  # we could use a simple skeleton for flags checks, but this also
1749  # detect the static linking issue of ubsan, see also:
1750  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
1751  cat > $TMPC << EOF
1752#include <stdlib.h>
1753int main(void) {
1754    void *tmp = malloc(10);
1755    if (tmp != NULL) {
1756        return *(int *)(tmp + 2);
1757    }
1758    return 1;
1759}
1760EOF
1761  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
1762      have_ubsan=yes
1763  fi
1764
1765  if check_include "sanitizer/asan_interface.h" ; then
1766      have_asan_iface_h=yes
1767  fi
1768
1769  cat > $TMPC << EOF
1770#include <sanitizer/asan_interface.h>
1771int main(void) {
1772  __sanitizer_start_switch_fiber(0, 0, 0);
1773  return 0;
1774}
1775EOF
1776  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
1777      have_asan_iface_fiber=yes
1778  fi
1779fi
1780
1781# Thread sanitizer is, for now, much noisier than the other sanitizers;
1782# keep it separate until that is not the case.
1783if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
1784  error_exit "TSAN is not supported with other sanitiziers."
1785fi
1786have_tsan=no
1787have_tsan_iface_fiber=no
1788if test "$tsan" = "yes" ; then
1789  write_c_skeleton
1790  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
1791      have_tsan=yes
1792  fi
1793  cat > $TMPC << EOF
1794#include <sanitizer/tsan_interface.h>
1795int main(void) {
1796  __tsan_create_fiber(0);
1797  return 0;
1798}
1799EOF
1800  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
1801      have_tsan_iface_fiber=yes
1802  fi
1803fi
1804
1805##########################################
1806# functions to probe cross compilers
1807
1808container="no"
1809runc=""
1810if test $use_containers = "yes" && (has "docker" || has "podman"); then
1811    case $($python "$source_path"/tests/docker/docker.py probe) in
1812        *docker) container=docker ;;
1813        podman) container=podman ;;
1814        no) container=no ;;
1815    esac
1816    if test "$container" != "no"; then
1817        docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1818        runc=$($python "$source_path"/tests/docker/docker.py probe)
1819    fi
1820fi
1821
1822# cross compilers defaults, can be overridden with --cross-cc-ARCH
1823: ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1824: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1825: ${cross_prefix_alpha="alpha-linux-gnu-"}
1826: ${cross_prefix_arm="arm-linux-gnueabihf-"}
1827: ${cross_prefix_armeb="$cross_prefix_arm"}
1828: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1829: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1830: ${cross_prefix_hppa="hppa-linux-gnu-"}
1831: ${cross_prefix_i386="i686-linux-gnu-"}
1832: ${cross_prefix_m68k="m68k-linux-gnu-"}
1833: ${cross_prefix_microblaze="microblaze-linux-musl-"}
1834: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1835: ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1836: ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1837: ${cross_prefix_mips="mips-linux-gnu-"}
1838: ${cross_prefix_nios2="nios2-linux-gnu-"}
1839: ${cross_prefix_ppc="powerpc-linux-gnu-"}
1840: ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1841: ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1842: ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1843: ${cross_prefix_s390x="s390x-linux-gnu-"}
1844: ${cross_prefix_sh4="sh4-linux-gnu-"}
1845: ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1846: ${cross_prefix_sparc="$cross_prefix_sparc64"}
1847: ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1848
1849: ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1850: ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1851: ${cross_cc_armeb="$cross_cc_arm"}
1852: ${cross_cc_cflags_armeb="-mbig-endian"}
1853: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1854: ${cross_cc_cflags_hexagon="-mv67 -O2 -static"}
1855: ${cross_cc_cflags_i386="-m32"}
1856: ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1857: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1858: ${cross_cc_ppc64le="$cross_cc_ppc64"}
1859: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1860: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1861: ${cross_cc_sparc="$cross_cc_sparc64"}
1862: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1863: ${cross_cc_cflags_x86_64="-m64"}
1864
1865compute_target_variable() {
1866  eval "$2="
1867  if eval test -n "\"\${cross_prefix_$1}\""; then
1868    if eval has "\"\${cross_prefix_$1}\$3\""; then
1869      eval "$2=\"\${cross_prefix_$1}\$3\""
1870    fi
1871  fi
1872}
1873
1874have_target() {
1875  for i; do
1876    case " $target_list " in
1877      *" $i "*) return 0;;
1878      *) ;;
1879    esac
1880  done
1881  return 1
1882}
1883
1884# probe_target_compiler TARGET
1885#
1886# Look for a compiler for the given target, either native or cross.
1887# Set variables target_* if a compiler is found, and container_cross_*
1888# if a Docker-based cross-compiler image is known for the target.
1889# Set got_cross_cc to yes/no depending on whether a non-container-based
1890# compiler was found.
1891#
1892# If TARGET is a user-mode emulation target, also set build_static to
1893# "y" if static linking is possible.
1894#
1895probe_target_compiler() {
1896  # reset all output variables
1897  got_cross_cc=no
1898  container_image=
1899  container_hosts=
1900  container_cross_cc=
1901  container_cross_ar=
1902  container_cross_as=
1903  container_cross_ld=
1904  container_cross_nm=
1905  container_cross_objcopy=
1906  container_cross_ranlib=
1907  container_cross_strip=
1908
1909  # We shall skip configuring the target compiler if the user didn't
1910  # bother enabling an appropriate guest. This avoids building
1911  # extraneous firmware images and tests.
1912  if test "${target_list#*$1}" = "$1"; then
1913      return 1
1914  fi
1915
1916  target_arch=${1%%-*}
1917  case $target_arch in
1918    aarch64) container_hosts="x86_64 aarch64" ;;
1919    alpha) container_hosts=x86_64 ;;
1920    arm) container_hosts="x86_64 aarch64" ;;
1921    cris) container_hosts=x86_64 ;;
1922    hexagon) container_hosts=x86_64 ;;
1923    hppa) container_hosts=x86_64 ;;
1924    i386) container_hosts=x86_64 ;;
1925    loongarch64) container_hosts=x86_64 ;;
1926    m68k) container_hosts=x86_64 ;;
1927    microblaze) container_hosts=x86_64 ;;
1928    mips64el) container_hosts=x86_64 ;;
1929    mips64) container_hosts=x86_64 ;;
1930    mipsel) container_hosts=x86_64 ;;
1931    mips) container_hosts=x86_64 ;;
1932    nios2) container_hosts=x86_64 ;;
1933    ppc) container_hosts=x86_64 ;;
1934    ppc64|ppc64le) container_hosts=x86_64 ;;
1935    riscv64) container_hosts=x86_64 ;;
1936    s390x) container_hosts=x86_64 ;;
1937    sh4) container_hosts=x86_64 ;;
1938    sparc64) container_hosts=x86_64 ;;
1939    tricore) container_hosts=x86_64 ;;
1940    x86_64) container_hosts="aarch64 ppc64el x86_64" ;;
1941    xtensa*) container_hosts=x86_64 ;;
1942  esac
1943
1944  for host in $container_hosts; do
1945    test "$container" != no || continue
1946    test "$host" = "$cpu" || continue
1947    case $target_arch in
1948      aarch64)
1949        # We don't have any bigendian build tools so we only use this for AArch64
1950        container_image=debian-arm64-cross
1951        container_cross_prefix=aarch64-linux-gnu-
1952        container_cross_cc=${container_cross_prefix}gcc-10
1953        ;;
1954      alpha)
1955        container_image=debian-alpha-cross
1956        container_cross_prefix=alpha-linux-gnu-
1957        ;;
1958      arm)
1959        # We don't have any bigendian build tools so we only use this for ARM
1960        container_image=debian-armhf-cross
1961        container_cross_prefix=arm-linux-gnueabihf-
1962        ;;
1963      cris)
1964        container_image=fedora-cris-cross
1965        container_cross_prefix=cris-linux-gnu-
1966        ;;
1967      hexagon)
1968        container_image=debian-hexagon-cross
1969        container_cross_prefix=hexagon-unknown-linux-musl-
1970        container_cross_cc=${container_cross_prefix}clang
1971        ;;
1972      hppa)
1973        container_image=debian-hppa-cross
1974        container_cross_prefix=hppa-linux-gnu-
1975        ;;
1976      i386)
1977        container_image=fedora-i386-cross
1978        container_cross_prefix=
1979        ;;
1980      loongarch64)
1981        container_image=debian-loongarch-cross
1982        container_cross_prefix=loongarch64-unknown-linux-gnu-
1983        ;;
1984      m68k)
1985        container_image=debian-m68k-cross
1986        container_cross_prefix=m68k-linux-gnu-
1987        ;;
1988      microblaze)
1989        container_image=debian-microblaze-cross
1990        container_cross_prefix=microblaze-linux-musl-
1991        ;;
1992      mips64el)
1993        container_image=debian-mips64el-cross
1994        container_cross_prefix=mips64el-linux-gnuabi64-
1995        ;;
1996      mips64)
1997        container_image=debian-mips64-cross
1998        container_cross_prefix=mips64-linux-gnuabi64-
1999        ;;
2000      mipsel)
2001        container_image=debian-mipsel-cross
2002        container_cross_prefix=mipsel-linux-gnu-
2003        ;;
2004      mips)
2005        container_image=debian-mips-cross
2006        container_cross_prefix=mips-linux-gnu-
2007        ;;
2008      nios2)
2009        container_image=debian-nios2-cross
2010        container_cross_prefix=nios2-linux-gnu-
2011        ;;
2012      ppc)
2013        container_image=debian-powerpc-test-cross
2014        container_cross_prefix=powerpc-linux-gnu-
2015        container_cross_cc=${container_cross_prefix}gcc-10
2016        ;;
2017      ppc64|ppc64le)
2018        container_image=debian-powerpc-test-cross
2019        container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
2020        container_cross_cc=${container_cross_prefix}gcc-10
2021        ;;
2022      riscv64)
2023        container_image=debian-riscv64-test-cross
2024        container_cross_prefix=riscv64-linux-gnu-
2025        ;;
2026      s390x)
2027        container_image=debian-s390x-cross
2028        container_cross_prefix=s390x-linux-gnu-
2029        ;;
2030      sh4)
2031        container_image=debian-sh4-cross
2032        container_cross_prefix=sh4-linux-gnu-
2033        ;;
2034      sparc64)
2035        container_image=debian-sparc64-cross
2036        container_cross_prefix=sparc64-linux-gnu-
2037        ;;
2038      tricore)
2039        container_image=debian-tricore-cross
2040        container_cross_prefix=tricore-
2041        container_cross_as=tricore-as
2042        container_cross_ld=tricore-ld
2043        break
2044        ;;
2045      x86_64)
2046        container_image=debian-amd64-cross
2047        container_cross_prefix=x86_64-linux-gnu-
2048        ;;
2049      xtensa*)
2050        container_hosts=x86_64
2051        container_image=debian-xtensa-cross
2052
2053        # default to the dc232b cpu
2054        container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
2055        ;;
2056    esac
2057    : ${container_cross_cc:=${container_cross_prefix}gcc}
2058    : ${container_cross_ar:=${container_cross_prefix}ar}
2059    : ${container_cross_as:=${container_cross_prefix}as}
2060    : ${container_cross_ld:=${container_cross_prefix}ld}
2061    : ${container_cross_nm:=${container_cross_prefix}nm}
2062    : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
2063    : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
2064    : ${container_cross_strip:=${container_cross_prefix}strip}
2065  done
2066
2067  try=cross
2068  case "$target_arch:$cpu" in
2069    aarch64_be:aarch64 | \
2070    armeb:arm | \
2071    i386:x86_64 | \
2072    mips*:mips64 | \
2073    ppc*:ppc64 | \
2074    sparc:sparc64 | \
2075    "$cpu:$cpu")
2076      try='native cross' ;;
2077  esac
2078  eval "target_cflags=\${cross_cc_cflags_$target_arch}"
2079  for thistry in $try; do
2080    case $thistry in
2081    native)
2082      target_cc=$cc
2083      target_ccas=$ccas
2084      target_ar=$ar
2085      target_as=$as
2086      target_ld=$ld
2087      target_nm=$nm
2088      target_objcopy=$objcopy
2089      target_ranlib=$ranlib
2090      target_strip=$strip
2091      ;;
2092    cross)
2093      target_cc=
2094      if eval test -n "\"\${cross_cc_$target_arch}\""; then
2095        if eval has "\"\${cross_cc_$target_arch}\""; then
2096          eval "target_cc=\"\${cross_cc_$target_arch}\""
2097        fi
2098      else
2099        compute_target_variable $target_arch target_cc gcc
2100      fi
2101      target_ccas=$target_cc
2102      compute_target_variable $target_arch target_ar ar
2103      compute_target_variable $target_arch target_as as
2104      compute_target_variable $target_arch target_ld ld
2105      compute_target_variable $target_arch target_nm nm
2106      compute_target_variable $target_arch target_objcopy objcopy
2107      compute_target_variable $target_arch target_ranlib ranlib
2108      compute_target_variable $target_arch target_strip strip
2109      ;;
2110    esac
2111
2112    if test -n "$target_cc"; then
2113      case $target_arch in
2114        i386|x86_64)
2115          if $target_cc --version | grep -qi "clang"; then
2116            continue
2117          fi
2118          ;;
2119      esac
2120    elif test -n "$target_as" && test -n "$target_ld"; then
2121      # Special handling for assembler only targets
2122      case $target in
2123        tricore-softmmu)
2124          build_static=
2125          got_cross_cc=yes
2126          break
2127          ;;
2128        *)
2129          continue
2130          ;;
2131      esac
2132    else
2133      continue
2134    fi
2135
2136    write_c_skeleton
2137    case $1 in
2138      *-softmmu)
2139        if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
2140          do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
2141          got_cross_cc=yes
2142          break
2143        fi
2144        ;;
2145      *)
2146        if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
2147          build_static=y
2148          got_cross_cc=yes
2149          break
2150        fi
2151        if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
2152          build_static=
2153          got_cross_cc=yes
2154          break
2155        fi
2156        ;;
2157    esac
2158  done
2159  if test $got_cross_cc != yes; then
2160    build_static=
2161    target_cc=
2162    target_ccas=
2163    target_ar=
2164    target_as=
2165    target_ld=
2166    target_nm=
2167    target_objcopy=
2168    target_ranlib=
2169    target_strip=
2170  fi
2171  test -n "$target_cc"
2172}
2173
2174write_target_makefile() {
2175  echo "EXTRA_CFLAGS=$target_cflags"
2176  if test -z "$target_cc" && test -z "$target_as"; then
2177    test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
2178    echo "$1: docker-image-$container_image" >> Makefile.prereqs
2179    if test -n "$container_cross_cc"; then
2180      echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
2181      echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
2182    fi
2183    echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
2184    echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
2185    echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
2186    echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
2187    echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
2188    echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
2189    echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
2190  else
2191    if test -n "$target_cc"; then
2192      echo "CC=$target_cc"
2193      echo "CCAS=$target_ccas"
2194    fi
2195    if test -n "$target_ar"; then
2196      echo "AR=$target_ar"
2197    fi
2198    if test -n "$target_as"; then
2199      echo "AS=$target_as"
2200    fi
2201    if test -n "$target_ld"; then
2202      echo "LD=$target_ld"
2203    fi
2204    if test -n "$target_nm"; then
2205      echo "NM=$target_nm"
2206    fi
2207    if test -n "$target_objcopy"; then
2208      echo "OBJCOPY=$target_objcopy"
2209    fi
2210    if test -n "$target_ranlib"; then
2211      echo "RANLIB=$target_ranlib"
2212    fi
2213    if test -n "$target_strip"; then
2214      echo "STRIP=$target_strip"
2215    fi
2216  fi
2217}
2218
2219##########################################
2220# check for vfio_user_server
2221
2222case "$vfio_user_server" in
2223  enabled )
2224    if test "$git_submodules_action" != "ignore"; then
2225      git_submodules="${git_submodules} subprojects/libvfio-user"
2226    fi
2227    ;;
2228esac
2229
2230##########################################
2231# End of CC checks
2232# After here, no more $cc or $ld runs
2233
2234write_c_skeleton
2235
2236if test "$fortify_source" = "yes" ; then
2237  QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
2238fi
2239
2240if test "$have_asan" = "yes"; then
2241  QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
2242  QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
2243  if test "$have_asan_iface_h" = "no" ; then
2244      echo "ASAN build enabled, but ASAN header missing." \
2245           "Without code annotation, the report may be inferior."
2246  elif test "$have_asan_iface_fiber" = "no" ; then
2247      echo "ASAN build enabled, but ASAN header is too old." \
2248           "Without code annotation, the report may be inferior."
2249  fi
2250fi
2251if test "$have_tsan" = "yes" ; then
2252  if test "$have_tsan_iface_fiber" = "yes" ; then
2253    QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
2254    QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
2255  else
2256    error_exit "Cannot enable TSAN due to missing fiber annotation interface."
2257  fi
2258elif test "$tsan" = "yes" ; then
2259  error_exit "Cannot enable TSAN due to missing sanitize thread interface."
2260fi
2261if test "$have_ubsan" = "yes"; then
2262  QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
2263  QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
2264fi
2265
2266#######################################
2267# cross-compiled firmware targets
2268
2269# Set up build tree symlinks that point back into the source tree
2270# (these can be both files and directories).
2271# Caution: avoid adding files or directories here using wildcards. This
2272# will result in problems later if a new file matching the wildcard is
2273# added to the source tree -- nothing will cause configure to be rerun
2274# so the build tree will be missing the link back to the new file, and
2275# tests might fail. Prefer to keep the relevant files in their own
2276# directory and symlink the directory instead.
2277LINKS="Makefile"
2278LINKS="$LINKS docs/config"
2279LINKS="$LINKS pc-bios/optionrom/Makefile"
2280LINKS="$LINKS pc-bios/s390-ccw/Makefile"
2281LINKS="$LINKS pc-bios/vof/Makefile"
2282LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
2283LINKS="$LINKS tests/avocado tests/data"
2284LINKS="$LINKS tests/qemu-iotests/check"
2285LINKS="$LINKS python"
2286LINKS="$LINKS contrib/plugins/Makefile "
2287for f in $LINKS ; do
2288    if [ -e "$source_path/$f" ]; then
2289        mkdir -p "$(dirname ./"$f")"
2290        symlink "$source_path/$f" "$f"
2291    fi
2292done
2293
2294echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
2295
2296# Mac OS X ships with a broken assembler
2297roms=
2298if have_target i386-softmmu x86_64-softmmu && \
2299        test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
2300        test "$targetos" != "haiku" && \
2301        probe_target_compiler i386-softmmu; then
2302    roms="pc-bios/optionrom"
2303    config_mak=pc-bios/optionrom/config.mak
2304    echo "# Automatically generated by configure - do not modify" > $config_mak
2305    echo "TOPSRC_DIR=$source_path" >> $config_mak
2306    write_target_makefile >> $config_mak
2307fi
2308
2309if have_target ppc-softmmu ppc64-softmmu && \
2310        probe_target_compiler ppc-softmmu; then
2311    roms="$roms pc-bios/vof"
2312    config_mak=pc-bios/vof/config.mak
2313    echo "# Automatically generated by configure - do not modify" > $config_mak
2314    echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
2315    write_target_makefile >> $config_mak
2316fi
2317
2318# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
2319# (which is the lowest architecture level that Clang supports)
2320if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then
2321  write_c_skeleton
2322  do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
2323  has_z900=$?
2324  if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
2325    if [ $has_z900 != 0 ]; then
2326      echo "WARNING: Your compiler does not support the z900!"
2327      echo "         The s390-ccw bios will only work with guest CPUs >= z10."
2328    fi
2329    roms="$roms pc-bios/s390-ccw"
2330    config_mak=pc-bios/s390-ccw/config-host.mak
2331    echo "# Automatically generated by configure - do not modify" > $config_mak
2332    echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
2333    write_target_makefile >> $config_mak
2334    # SLOF is required for building the s390-ccw firmware on s390x,
2335    # since it is using the libnet code from SLOF for network booting.
2336    git_submodules="${git_submodules} roms/SLOF"
2337  fi
2338fi
2339
2340#######################################
2341# generate config-host.mak
2342
2343if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then
2344    exit 1
2345fi
2346
2347config_host_mak="config-host.mak"
2348
2349echo "# Automatically generated by configure - do not modify" > $config_host_mak
2350echo >> $config_host_mak
2351
2352echo all: >> $config_host_mak
2353echo "GIT=$git" >> $config_host_mak
2354echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
2355echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak
2356
2357if test "$debug_tcg" = "yes" ; then
2358  echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
2359fi
2360if test "$mingw32" = "yes" ; then
2361  echo "CONFIG_WIN32=y" >> $config_host_mak
2362  echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak
2363  echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak
2364  echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak
2365else
2366  echo "CONFIG_POSIX=y" >> $config_host_mak
2367fi
2368
2369if test "$linux" = "yes" ; then
2370  echo "CONFIG_LINUX=y" >> $config_host_mak
2371fi
2372
2373if test "$darwin" = "yes" ; then
2374  echo "CONFIG_DARWIN=y" >> $config_host_mak
2375fi
2376
2377if test "$solaris" = "yes" ; then
2378  echo "CONFIG_SOLARIS=y" >> $config_host_mak
2379fi
2380if test "$static" = "yes" ; then
2381  echo "CONFIG_STATIC=y" >> $config_host_mak
2382fi
2383echo "SRC_PATH=$source_path" >> $config_host_mak
2384echo "TARGET_DIRS=$target_list" >> $config_host_mak
2385if test "$modules" = "yes"; then
2386  echo "CONFIG_MODULES=y" >> $config_host_mak
2387fi
2388
2389# XXX: suppress that
2390if [ "$bsd" = "yes" ] ; then
2391  echo "CONFIG_BSD=y" >> $config_host_mak
2392fi
2393
2394echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
2395
2396if test "$have_asan_iface_fiber" = "yes" ; then
2397    echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
2398fi
2399
2400if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
2401    echo "CONFIG_TSAN=y" >> $config_host_mak
2402fi
2403
2404if test "$plugins" = "yes" ; then
2405    echo "CONFIG_PLUGIN=y" >> $config_host_mak
2406fi
2407
2408if test -n "$gdb_bin"; then
2409    gdb_version=$($gdb_bin --version | head -n 1)
2410    if version_ge ${gdb_version##* } 9.1; then
2411        echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
2412        gdb_arches=$("$source_path/scripts/probe-gdb-support.py" $gdb_bin)
2413    else
2414        gdb_bin=""
2415    fi
2416fi
2417
2418if test "$container" != no; then
2419    echo "ENGINE=$container" >> $config_host_mak
2420    echo "RUNC=$runc" >> $config_host_mak
2421fi
2422echo "ROMS=$roms" >> $config_host_mak
2423echo "MAKE=$make" >> $config_host_mak
2424echo "PYTHON=$python" >> $config_host_mak
2425echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
2426echo "MESON=$meson" >> $config_host_mak
2427echo "NINJA=$ninja" >> $config_host_mak
2428echo "CC=$cc" >> $config_host_mak
2429echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
2430echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak
2431echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
2432echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
2433echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak
2434echo "GLIB_VERSION=$($pkg_config --modversion glib-2.0)" >> $config_host_mak
2435if test "$glib_has_gslice" = "yes" ; then
2436    echo "HAVE_GLIB_WITH_SLICE_ALLOCATOR=y" >> $config_host_mak
2437fi
2438echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
2439echo "EXESUF=$EXESUF" >> $config_host_mak
2440
2441# use included Linux headers
2442if test "$linux" = "yes" ; then
2443  mkdir -p linux-headers
2444  case "$cpu" in
2445  i386|x86_64)
2446    linux_arch=x86
2447    ;;
2448  ppc|ppc64)
2449    linux_arch=powerpc
2450    ;;
2451  s390x)
2452    linux_arch=s390
2453    ;;
2454  aarch64)
2455    linux_arch=arm64
2456    ;;
2457  loongarch*)
2458    linux_arch=loongarch
2459    ;;
2460  mips64)
2461    linux_arch=mips
2462    ;;
2463  *)
2464    # For most CPUs the kernel architecture name and QEMU CPU name match.
2465    linux_arch="$cpu"
2466    ;;
2467  esac
2468    # For non-KVM architectures we will not have asm headers
2469    if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
2470      symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
2471    fi
2472fi
2473
2474for target in $target_list; do
2475    target_dir="$target"
2476    target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
2477    mkdir -p "$target_dir"
2478    case $target in
2479        *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
2480        *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
2481    esac
2482done
2483
2484if test "$default_targets" = "yes"; then
2485  echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
2486fi
2487
2488if test "$ccache_cpp2" = "yes"; then
2489  echo "export CCACHE_CPP2=y" >> $config_host_mak
2490fi
2491
2492if test "$safe_stack" = "yes"; then
2493  echo "CONFIG_SAFESTACK=y" >> $config_host_mak
2494fi
2495
2496# tests/tcg configuration
2497(config_host_mak=tests/tcg/config-host.mak
2498mkdir -p tests/tcg
2499echo "# Automatically generated by configure - do not modify" > $config_host_mak
2500echo "SRC_PATH=$source_path" >> $config_host_mak
2501echo "HOST_CC=$host_cc" >> $config_host_mak
2502
2503# versioned checked in the main config_host.mak above
2504if test -n "$gdb_bin"; then
2505    echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
2506fi
2507if test "$plugins" = "yes" ; then
2508    echo "CONFIG_PLUGIN=y" >> $config_host_mak
2509fi
2510
2511tcg_tests_targets=
2512for target in $target_list; do
2513  arch=${target%%-*}
2514
2515  case $target in
2516    xtensa*-linux-user)
2517      # the toolchain is not complete with headers, only build softmmu tests
2518      continue
2519      ;;
2520    *-softmmu)
2521      test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
2522      qemu="qemu-system-$arch"
2523      ;;
2524    *-linux-user|*-bsd-user)
2525      qemu="qemu-$arch"
2526      ;;
2527  esac
2528
2529  if probe_target_compiler $target || test -n "$container_image"; then
2530      test -n "$container_image" && build_static=y
2531      mkdir -p "tests/tcg/$target"
2532      config_target_mak=tests/tcg/$target/config-target.mak
2533      ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
2534      echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
2535      echo "TARGET_NAME=$arch" >> "$config_target_mak"
2536      echo "TARGET=$target" >> "$config_target_mak"
2537      write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
2538      echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
2539      echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
2540
2541      # will GDB work with these binaries?
2542      if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
2543          echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak"
2544      fi
2545
2546      echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
2547      tcg_tests_targets="$tcg_tests_targets $target"
2548  fi
2549done
2550
2551if test "$tcg" = "enabled"; then
2552    echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
2553fi
2554)
2555
2556if test "$skip_meson" = no; then
2557  cross="config-meson.cross.new"
2558  meson_quote() {
2559    test $# = 0 && return
2560    echo "'$(echo $* | sed "s/ /','/g")'"
2561  }
2562
2563  echo "# Automatically generated by configure - do not modify" > $cross
2564  echo "[properties]" >> $cross
2565
2566  # unroll any custom device configs
2567  for a in $device_archs; do
2568      eval "c=\$devices_${a}"
2569      echo "${a}-softmmu = '$c'" >> $cross
2570  done
2571
2572  echo "[built-in options]" >> $cross
2573  echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
2574  echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
2575  test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
2576  echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
2577  echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
2578  echo "[binaries]" >> $cross
2579  echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
2580  test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
2581  test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
2582  echo "ar = [$(meson_quote $ar)]" >> $cross
2583  echo "nm = [$(meson_quote $nm)]" >> $cross
2584  echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross
2585  echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
2586  if has $sdl2_config; then
2587    echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
2588  fi
2589  echo "strip = [$(meson_quote $strip)]" >> $cross
2590  echo "widl = [$(meson_quote $widl)]" >> $cross
2591  echo "windres = [$(meson_quote $windres)]" >> $cross
2592  echo "windmc = [$(meson_quote $windmc)]" >> $cross
2593  if test "$cross_compile" = "yes"; then
2594    cross_arg="--cross-file config-meson.cross"
2595    echo "[host_machine]" >> $cross
2596    echo "system = '$targetos'" >> $cross
2597    case "$cpu" in
2598        i386)
2599            echo "cpu_family = 'x86'" >> $cross
2600            ;;
2601        *)
2602            echo "cpu_family = '$cpu'" >> $cross
2603            ;;
2604    esac
2605    echo "cpu = '$cpu'" >> $cross
2606    if test "$bigendian" = "yes" ; then
2607        echo "endian = 'big'" >> $cross
2608    else
2609        echo "endian = 'little'" >> $cross
2610    fi
2611  else
2612    cross_arg="--native-file config-meson.cross"
2613  fi
2614  mv $cross config-meson.cross
2615
2616  rm -rf meson-private meson-info meson-logs
2617
2618  # Built-in options
2619  test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
2620  test "$default_feature" = no && meson_option_add -Dauto_features=disabled
2621  test "$pie" = no && meson_option_add -Db_pie=false
2622  test "$werror" = yes && meson_option_add -Dwerror=true
2623
2624  # QEMU options
2625  test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
2626  test "$fdt" != auto && meson_option_add "-Dfdt=$fdt"
2627  test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
2628  test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
2629  test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
2630  test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
2631  test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server"
2632  run_meson() {
2633    NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
2634  }
2635  eval run_meson $meson_options
2636  if test "$?" -ne 0 ; then
2637      error_exit "meson setup failed"
2638  fi
2639fi
2640
2641# Save the configure command line for later reuse.
2642cat <<EOD >config.status
2643#!/bin/sh
2644# Generated by configure.
2645# Run this file to recreate the current configuration.
2646# Compiler output produced by configure, useful for debugging
2647# configure, is in config.log if it exists.
2648EOD
2649
2650preserve_env() {
2651    envname=$1
2652
2653    eval envval=\$$envname
2654
2655    if test -n "$envval"
2656    then
2657	echo "$envname='$envval'" >> config.status
2658	echo "export $envname" >> config.status
2659    else
2660	echo "unset $envname" >> config.status
2661    fi
2662}
2663
2664# Preserve various env variables that influence what
2665# features/build target configure will detect
2666preserve_env AR
2667preserve_env AS
2668preserve_env CC
2669preserve_env CFLAGS
2670preserve_env CXX
2671preserve_env CXXFLAGS
2672preserve_env LD
2673preserve_env LDFLAGS
2674preserve_env LD_LIBRARY_PATH
2675preserve_env MAKE
2676preserve_env NM
2677preserve_env OBJCFLAGS
2678preserve_env OBJCOPY
2679preserve_env PATH
2680preserve_env PKG_CONFIG
2681preserve_env PKG_CONFIG_LIBDIR
2682preserve_env PKG_CONFIG_PATH
2683preserve_env PYTHON
2684preserve_env QEMU_GA_MANUFACTURER
2685preserve_env QEMU_GA_DISTRO
2686preserve_env QEMU_GA_VERSION
2687preserve_env SDL2_CONFIG
2688preserve_env SMBD
2689preserve_env STRIP
2690preserve_env WIDL
2691preserve_env WINDRES
2692preserve_env WINDMC
2693
2694printf "exec" >>config.status
2695for i in "$0" "$@"; do
2696  test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
2697done
2698echo ' "$@"' >>config.status
2699chmod +x config.status
2700
2701rm -r "$TMPDIR1"
2702