xref: /qemu/configure (revision f8a113701dd2d28f3bedb216e59125ddcb77fd05)
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.  Unlike autoconf, we assume that unset exists.
8unset CLICOLOR_FORCE GREP_OPTIONS BASH_ENV ENV MAIL MAILPATH CDPATH
9
10# Don't allow CCACHE, if present, to use cached results of compile tests!
11export CCACHE_RECACHE=yes
12
13# make source path absolute
14source_path=$(cd "$(dirname -- "$0")"; pwd)
15
16if test "$PWD" -ef "$source_path"
17then
18    echo "Using './build' as the directory for build output"
19
20    MARKER=build/auto-created-by-configure
21
22    if test -e build
23    then
24        if test -f $MARKER
25        then
26           rm -rf build
27        else
28            echo "ERROR: ./build dir already exists and was not previously created by configure"
29            exit 1
30        fi
31    fi
32
33    if ! mkdir build || ! touch $MARKER
34    then
35        echo "ERROR: Could not create ./build directory. Check the permissions on"
36        echo "your source directory, or try doing an out-of-tree build."
37        exit 1
38    fi
39
40    cat > GNUmakefile <<'EOF'
41# This file is auto-generated by configure to support in-source tree
42# 'make' command invocation
43
44build:
45	@echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
46	@$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
47	@if test "$(MAKECMDGOALS)" = "distclean" && \
48	    test -e build/auto-created-by-configure ; \
49	then \
50	    rm -rf build GNUmakefile ; \
51	fi
52%: build
53	@
54.PHONY: build
55GNUmakefile: ;
56
57EOF
58    cd build
59    exec "$source_path/configure" "$@"
60fi
61
62# Temporary directory used for files created while
63# configure runs. Since it is in the build directory
64# we can safely blow away any previous version of it
65# (and we need not jump through hoops to try to delete
66# it when configure exits.)
67TMPDIR1="config-temp"
68rm -rf "${TMPDIR1}"
69if ! mkdir -p "${TMPDIR1}"; then
70    echo "ERROR: failed to create temporary directory"
71    exit 1
72fi
73
74TMPB="qemu-conf"
75TMPC="${TMPDIR1}/${TMPB}.c"
76TMPO="${TMPDIR1}/${TMPB}.o"
77TMPE="${TMPDIR1}/${TMPB}.exe"
78
79rm -f config.log
80
81# Print a helpful header at the top of config.log
82echo "# QEMU configure log $(date)" >> config.log
83printf "# Configured with:" >> config.log
84# repeat the invocation to log and stdout for CI
85invoke=$(printf " '%s'" "$0" "$@")
86test -n "$GITLAB_CI" && echo "configuring with: $invoke"
87{ echo "$invoke"; echo; echo "#"; } >> config.log
88
89quote_sh() {
90    printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
91}
92
93error_exit() {
94    (echo
95    echo "ERROR: $1"
96    while test -n "$2"; do
97        echo "       $2"
98        shift
99    done
100    echo) >&2
101    exit 1
102}
103
104do_compiler() {
105  # Run the compiler, capturing its output to the log. First argument
106  # is compiler binary to execute.
107  compiler="$1"
108  shift
109  if test -n "$BASH_VERSION"; then eval '
110      echo >>config.log "
111funcs: ${FUNCNAME[*]}
112lines: ${BASH_LINENO[*]}"
113  '; fi
114  echo $compiler "$@" >> config.log
115  $compiler "$@" >> config.log 2>&1 || return $?
116}
117
118do_cc() {
119    do_compiler "$cc" $CPU_CFLAGS "$@"
120}
121
122compile_object() {
123  local_cflags="$1"
124  do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -c -o $TMPO $TMPC
125}
126
127compile_prog() {
128  local_cflags="$1"
129  local_ldflags="$2"
130  do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -o $TMPE $TMPC \
131      $LDFLAGS $EXTRA_LDFLAGS $local_ldflags
132}
133
134# symbolically link $1 to $2.  Portable version of "ln -sf".
135symlink() {
136  rm -rf "$2"
137  mkdir -p "$(dirname "$2")"
138  ln -s "$1" "$2"
139}
140
141# check whether a command is available to this shell (may be either an
142# executable or a builtin)
143has() {
144    type "$1" >/dev/null 2>&1
145}
146
147version_ge () {
148    local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
149    local_ver2=$(echo "$2" | tr . ' ')
150    while true; do
151        set x $local_ver1
152        local_first=${2-0}
153        # 'shift 2' if $2 is set, or 'shift' if $2 is not set
154        shift ${2:+2}
155        local_ver1=$*
156        set x $local_ver2
157        # the second argument finished, the first must be greater or equal
158        test $# = 1 && return 0
159        test $local_first -lt $2 && return 1
160        test $local_first -gt $2 && return 0
161        shift ${2:+2}
162        local_ver2=$*
163    done
164}
165
166if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
167then
168  error_exit "main directory cannot contain spaces nor colons"
169fi
170
171# parse CC options first; some compiler tests are used to establish
172# some defaults, based on the host environment
173
174# default parameters
175container_engine="auto"
176cpu=""
177cross_compile="no"
178cross_prefix=""
179host_cc="cc"
180EXTRA_CFLAGS=""
181EXTRA_CXXFLAGS=""
182EXTRA_OBJCFLAGS=""
183EXTRA_LDFLAGS=""
184
185# Default value for a variable defining feature "foo".
186#  * foo="no"  feature will only be used if --enable-foo arg is given
187#  * foo=""    feature will be searched for, and if found, will be used
188#              unless --disable-foo is given
189#  * foo="yes" this value will only be set by --enable-foo flag.
190#              feature will searched for,
191#              if not found, configure exits with error
192#
193# Always add --enable-foo and --disable-foo command line args.
194# Distributions want to ensure that several features are compiled in, and it
195# is impossible without a --enable-foo that exits if a feature is not found.
196default_feature=""
197
198for opt do
199  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
200  case "$opt" in
201  --cross-prefix=*) cross_prefix="$optarg"
202                    cross_compile="yes"
203  ;;
204  --cc=*) CC="$optarg"
205  ;;
206  --cxx=*) CXX="$optarg"
207  ;;
208  --objcc=*) objcc="$optarg"
209  ;;
210  --rustc=*) RUSTC="$optarg"
211  ;;
212  --rustdoc=*) RUSTDOC="$optarg"
213  ;;
214  --cpu=*) cpu="$optarg"
215  ;;
216  --extra-cflags=*)
217    EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
218    EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
219    EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
220    ;;
221  --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
222  ;;
223  --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
224  ;;
225  --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
226  ;;
227  --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
228  ;;
229  --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
230                      eval "cross_cc_cflags_${cc_arch}=\$optarg"
231  ;;
232  --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
233                eval "cross_cc_${cc_arch}=\$optarg"
234  ;;
235  --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
236  ;;
237  --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
238                    eval "cross_prefix_${cc_arch}=\$optarg"
239  ;;
240  --without-default-features) default_feature="no"
241  ;;
242  esac
243done
244
245default_cflags='-O2 -g'
246git_submodules_action="update"
247docs="auto"
248EXESUF=""
249system="yes"
250linux_user=""
251bsd_user=""
252plugins="$default_feature"
253subdirs=""
254ninja=""
255python=
256download="enabled"
257skip_meson=no
258use_containers="yes"
259rust="disabled"
260rust_target_triple=""
261gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
262gdb_arches=""
263
264# Don't accept a target_list environment variable.
265unset target_list
266unset target_list_exclude
267
268# The following Meson options are handled manually (still they
269# are included in the automatically generated help message)
270# because they automatically enable/disable other options
271tcg="auto"
272cfi="false"
273
274# Meson has PIE as a boolean rather than enabled/disabled/auto,
275# and we also need to check for -static-pie before Meson runs
276# which requires knowing whether --static is enabled.
277pie=""
278static="no"
279
280# Preferred compiler:
281#  ${CC} (if set)
282#  ${cross_prefix}gcc (if cross-prefix specified)
283#  system compiler
284if test -z "${CC}${cross_prefix}"; then
285  cc="cc"
286else
287  cc="${CC-${cross_prefix}gcc}"
288fi
289
290if test -z "${CXX}${cross_prefix}"; then
291  cxx="c++"
292else
293  cxx="${CXX-${cross_prefix}g++}"
294fi
295
296# Preferred ObjC compiler:
297# $objcc (if set, i.e. via --objcc option)
298# ${cross_prefix}clang (if cross-prefix specified)
299# clang (if available)
300# $cc
301if test -z "${objcc}${cross_prefix}"; then
302  if has clang; then
303    objcc=clang
304  else
305    objcc="$cc"
306  fi
307else
308  objcc="${objcc-${cross_prefix}clang}"
309fi
310
311ar="${AR-${cross_prefix}ar}"
312as="${AS-${cross_prefix}as}"
313ccas="${CCAS-$cc}"
314dlltool="${DLLTOOL-${cross_prefix}dlltool}"
315objcopy="${OBJCOPY-${cross_prefix}objcopy}"
316ld="${LD-${cross_prefix}ld}"
317ranlib="${RANLIB-${cross_prefix}ranlib}"
318nm="${NM-${cross_prefix}nm}"
319readelf="${READELF-${cross_prefix}readelf}"
320strip="${STRIP-${cross_prefix}strip}"
321widl="${WIDL-${cross_prefix}widl}"
322windres="${WINDRES-${cross_prefix}windres}"
323windmc="${WINDMC-${cross_prefix}windmc}"
324pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}"
325sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
326
327rustc="${RUSTC-rustc}"
328rustdoc="${RUSTDOC-rustdoc}"
329
330check_define() {
331cat > $TMPC <<EOF
332#if !defined($1)
333#error $1 not defined
334#endif
335int main(void) { return 0; }
336EOF
337  compile_object
338}
339
340write_c_skeleton() {
341    cat > $TMPC <<EOF
342int main(void) { return 0; }
343EOF
344}
345
346if check_define __linux__ ; then
347  host_os=linux
348elif check_define _WIN32 ; then
349  host_os=windows
350elif check_define __OpenBSD__ ; then
351  host_os=openbsd
352elif check_define __sun__ ; then
353  host_os=sunos
354elif check_define __HAIKU__ ; then
355  host_os=haiku
356elif check_define __FreeBSD__ ; then
357  host_os=freebsd
358elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
359  host_os=gnu/kfreebsd
360elif check_define __DragonFly__ ; then
361  host_os=dragonfly
362elif check_define __NetBSD__; then
363  host_os=netbsd
364elif check_define __APPLE__; then
365  host_os=darwin
366elif check_define EMSCRIPTEN ; then
367  host_os=emscripten
368  cpu=wasm32
369  cross_compile="yes"
370else
371  # This is a fatal error, but don't report it yet, because we
372  # might be going to just print the --help text, or it might
373  # be the result of a missing compiler.
374  host_os=bogus
375fi
376
377if test ! -z "$cpu" ; then
378  # command line argument
379  :
380elif check_define __i386__ ; then
381  cpu="i386"
382elif check_define __x86_64__ ; then
383  if check_define __ILP32__ ; then
384    cpu="x32"
385  else
386    cpu="x86_64"
387  fi
388elif check_define __sparc__ ; then
389  if check_define __arch64__ ; then
390    cpu="sparc64"
391  else
392    cpu="sparc"
393  fi
394elif check_define _ARCH_PPC ; then
395  if check_define _ARCH_PPC64 ; then
396    if check_define _LITTLE_ENDIAN ; then
397      cpu="ppc64le"
398    else
399      cpu="ppc64"
400    fi
401  else
402    cpu="ppc"
403  fi
404elif check_define __mips__ ; then
405  if check_define __mips64 ; then
406    cpu="mips64"
407  else
408    cpu="mips"
409  fi
410elif check_define __s390__ ; then
411  if check_define __s390x__ ; then
412    cpu="s390x"
413  else
414    cpu="s390"
415  fi
416elif check_define __riscv ; then
417  if check_define _LP64 ; then
418    cpu="riscv64"
419  else
420    cpu="riscv32"
421  fi
422elif check_define __arm__ ; then
423  cpu="arm"
424elif check_define __aarch64__ ; then
425  cpu="aarch64"
426elif check_define __loongarch64 ; then
427  cpu="loongarch64"
428else
429  # Using uname is really broken, but it is just a fallback for architectures
430  # that are going to use TCI anyway
431  cpu=$(uname -m)
432  if test "$host_os" != "bogus"; then
433    echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
434  fi
435fi
436
437# Normalise host CPU name to the values used by Meson cross files and in source
438# directories, and set multilib cflags.  The canonicalization isn't really
439# necessary, because the architectures that we check for should not hit the
440# 'uname -m' case, but better safe than sorry in case --cpu= is used.
441#
442# Note that this case should only have supported host CPUs, not guests.
443# Please keep it sorted and synchronized with meson.build's host_arch.
444host_arch=
445linux_arch=
446raw_cpu=$cpu
447case "$cpu" in
448  aarch64)
449    host_arch=aarch64
450    linux_arch=arm64
451    ;;
452
453  armv*b|armv*l|arm)
454    cpu=arm
455    host_arch=arm
456    linux_arch=arm
457    ;;
458
459  i386|i486|i586|i686)
460    cpu="i386"
461    host_arch=i386
462    linux_arch=x86
463    CPU_CFLAGS="-m32"
464    ;;
465
466  loongarch*)
467    cpu=loongarch64
468    host_arch=loongarch64
469    linux_arch=loongarch
470    ;;
471
472  mips64*|mipsisa64*)
473    cpu=mips64
474    host_arch=mips
475    linux_arch=mips
476    ;;
477  mips*)
478    cpu=mips
479    host_arch=mips
480    linux_arch=mips
481    ;;
482
483  ppc)
484    host_arch=ppc
485    linux_arch=powerpc
486    CPU_CFLAGS="-m32"
487    ;;
488  ppc64)
489    host_arch=ppc64
490    linux_arch=powerpc
491    CPU_CFLAGS="-m64 -mbig-endian"
492    ;;
493  ppc64le)
494    cpu=ppc64
495    host_arch=ppc64
496    linux_arch=powerpc
497    CPU_CFLAGS="-m64 -mlittle-endian"
498    ;;
499
500  riscv32 | riscv64)
501    host_arch=riscv
502    linux_arch=riscv
503    ;;
504
505  s390)
506    linux_arch=s390
507    CPU_CFLAGS="-m31"
508    ;;
509  s390x)
510    host_arch=s390x
511    linux_arch=s390
512    CPU_CFLAGS="-m64"
513    ;;
514
515  sparc|sun4[cdmuv])
516    cpu=sparc
517    CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
518    ;;
519  sparc64)
520    host_arch=sparc64
521    CPU_CFLAGS="-m64 -mcpu=ultrasparc"
522    ;;
523
524  x32)
525    cpu="x86_64"
526    host_arch=x86_64
527    linux_arch=x86
528    CPU_CFLAGS="-mx32"
529    ;;
530  x86_64|amd64)
531    cpu="x86_64"
532    host_arch=x86_64
533    linux_arch=x86
534    CPU_CFLAGS="-m64"
535    ;;
536  wasm32)
537    CPU_CFLAGS="-m32"
538    ;;
539esac
540
541if test -n "$host_arch" && {
542    ! test -d "$source_path/linux-user/include/host/$host_arch" ||
543    ! test -d "$source_path/common-user/host/$host_arch"; }; then
544    error_exit "linux-user/include/host/$host_arch does not exist." \
545       "This is a bug in the configure script, please report it."
546fi
547if test -n "$linux_arch" && ! test -d "$source_path/linux-headers/asm-$linux_arch"; then
548    error_exit "linux-headers/asm-$linux_arch does not exist." \
549       "This is a bug in the configure script, please report it."
550fi
551
552check_py_version() {
553    # We require python >= 3.9.
554    # NB: a True python conditional creates a non-zero return code (Failure)
555    "$1" -c 'import sys; sys.exit(sys.version_info < (3,9))'
556}
557
558first_python=
559if test -z "${PYTHON}"; then
560    # A bare 'python' is traditionally python 2.x, but some distros
561    # have it as python 3.x, so check in both places.
562    for binary in python3 python python3.13 python3.12 python3.11 \
563                          python3.10 python3.9 ; do
564        if has "$binary"; then
565            python=$(command -v "$binary")
566            if check_py_version "$python"; then
567                # This one is good.
568                first_python=
569                break
570            else
571                first_python=$python
572            fi
573        fi
574    done
575else
576    # Same as above, but only check the environment variable.
577    has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
578    python=$(command -v "$PYTHON")
579    if check_py_version "$python"; then
580        # This one is good.
581        first_python=
582    else
583        first_python=$first_python
584    fi
585fi
586
587# Check for ancillary tools used in testing
588genisoimage=
589for binary in genisoimage mkisofs
590do
591    if has $binary
592    then
593        genisoimage=$(command -v "$binary")
594        break
595    fi
596done
597
598if test "$host_os" = "windows" ; then
599  EXESUF=".exe"
600fi
601
602meson_option_build_array() {
603  printf '['
604  (if test "$host_os" = windows; then
605    IFS=\;
606  else
607    IFS=:
608  fi
609  for e in $1; do
610    printf '"""'
611    # backslash escape any '\' and '"' characters
612    printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
613    printf '""",'
614  done)
615  printf ']\n'
616}
617
618. "$source_path/scripts/meson-buildoptions.sh"
619
620meson_options=
621meson_option_add() {
622  local arg
623  for arg; do
624    meson_options="$meson_options $(quote_sh "$arg")"
625  done
626}
627meson_option_parse() {
628  meson_options="$meson_options $(_meson_option_parse "$@")"
629  if test $? -eq 1; then
630    echo "ERROR: unknown option $1"
631    echo "Try '$0 --help' for more information"
632    exit 1
633  fi
634}
635has_meson_option() {
636    test "${meson_options#*"$1"}" != "$meson_options"
637}
638
639meson_add_machine_file() {
640  if test "$cross_compile" = "yes"; then
641    meson_option_add --cross-file "$1"
642  else
643    meson_option_add --native-file "$1"
644  fi
645}
646
647for opt do
648  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
649  case "$opt" in
650  --help|-h) show_help=yes
651  ;;
652  --version|-V) exec cat "$source_path/VERSION"
653  ;;
654  --cross-prefix=*)
655  ;;
656  --cc=*)
657  ;;
658  --host-cc=*) host_cc="$optarg"
659  ;;
660  --cxx=*)
661  ;;
662  --objcc=*)
663  ;;
664  --rustc=*)
665  ;;
666  --rustdoc=*)
667  ;;
668  --make=*)
669  ;;
670  --install=*)
671  ;;
672  --python=*) python="$optarg"
673  ;;
674  --skip-meson) skip_meson=yes
675  ;;
676  --ninja=*) ninja="$optarg"
677  ;;
678  --extra-cflags=*)
679  ;;
680  --extra-cxxflags=*)
681  ;;
682  --extra-objcflags=*)
683  ;;
684  --extra-ldflags=*)
685  ;;
686  --cross-cc-*)
687  ;;
688  --cross-prefix-*)
689  ;;
690  --enable-docs) docs=enabled
691  ;;
692  --disable-docs) docs=disabled
693  ;;
694  --cpu=*)
695  ;;
696  --target-list=*) target_list="$optarg"
697                   if test "$target_list_exclude"; then
698                       error_exit "Can't mix --target-list with --target-list-exclude"
699                   fi
700  ;;
701  --target-list-exclude=*) target_list_exclude="$optarg"
702                   if test "$target_list"; then
703                       error_exit "Can't mix --target-list-exclude with --target-list"
704                   fi
705  ;;
706  --with-default-devices) meson_option_add -Ddefault_devices=true
707  ;;
708  --without-default-devices) meson_option_add -Ddefault_devices=false
709  ;;
710  --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
711  ;;
712  --with-devices-*) device_arch=${opt#--with-devices-};
713                    device_arch=${device_arch%%=*}
714                    cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
715                    if test -f "$cf"; then
716                        device_archs="$device_archs $device_arch"
717                        eval "devices_${device_arch}=\$optarg"
718                    else
719                        error_exit "File $cf does not exist"
720                    fi
721  ;;
722  --without-default-features) # processed above
723  ;;
724  --static) static="yes"
725  ;;
726  --host=*|--build=*|\
727  --disable-dependency-tracking|\
728  --sbindir=*|--sharedstatedir=*|\
729  --oldincludedir=*|--datarootdir=*|--infodir=*|\
730  --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
731    # These switches are silently ignored, for compatibility with
732    # autoconf-generated configure scripts. This allows QEMU's
733    # configure to be used by RPM and similar macros that set
734    # lots of directory switches by default.
735  ;;
736  --enable-debug)
737      # Enable debugging options that aren't excessively noisy
738      meson_option_parse --enable-debug-tcg ""
739      meson_option_parse --enable-debug-graph-lock ""
740      meson_option_parse --enable-debug-mutex ""
741      meson_option_add -Doptimization=0
742      default_cflags='-O0 -g'
743  ;;
744  --disable-tcg) tcg="disabled"
745  ;;
746  --enable-tcg) tcg="enabled"
747  ;;
748  --disable-system) system="no"
749  ;;
750  --enable-system) system="yes"
751  ;;
752  --disable-user)
753      linux_user="no" ;
754      bsd_user="no" ;
755  ;;
756  --enable-user) ;;
757  --disable-linux-user) linux_user="no"
758  ;;
759  --enable-linux-user) linux_user="yes"
760  ;;
761  --disable-bsd-user) bsd_user="no"
762  ;;
763  --enable-bsd-user) bsd_user="yes"
764  ;;
765  --enable-pie) pie="yes"
766  ;;
767  --disable-pie) pie="no"
768  ;;
769  --enable-cfi) cfi=true
770  ;;
771  --disable-cfi) cfi=false
772  ;;
773  --disable-download) download="disabled"; git_submodules_action=validate;
774  ;;
775  --enable-download) download="enabled"; git_submodules_action=update;
776  ;;
777  --enable-plugins) plugins="yes"
778  ;;
779  --disable-plugins) plugins="no"
780  ;;
781  --enable-containers) use_containers="yes"
782  ;;
783  --disable-containers) use_containers="no"
784  ;;
785  --container-engine=*) container_engine="$optarg"
786  ;;
787  --rust-target-triple=*) rust_target_triple="$optarg"
788  ;;
789  --gdb=*) gdb_bin="$optarg"
790  ;;
791  --enable-rust) rust=enabled
792  ;;
793  --disable-rust) rust=disabled
794  ;;
795  # everything else has the same name in configure and meson
796  --*) meson_option_parse "$opt" "$optarg"
797  ;;
798  # Pass through -Dxxxx options to meson
799  -D*) meson_option_add "$opt"
800  ;;
801  esac
802done
803
804if ! test -e "$source_path/.git"
805then
806    git_submodules_action="validate"
807fi
808
809if ! test -f "$source_path/subprojects/keycodemapdb/README" \
810    && test "$download" = disabled
811then
812    echo
813    echo "ERROR: missing subprojects"
814    echo
815    if test -e "$source_path/.git"; then
816        echo "--disable-download specified but subprojects were not"
817        echo 'checked out.  Please invoke "meson subprojects download"'
818        echo "before configuring QEMU, or remove --disable-download"
819        echo "from the command line."
820    else
821        echo "This is not a GIT checkout but subproject content appears to"
822        echo "be missing. Do not use 'git archive' or GitHub download links"
823        echo "to acquire QEMU source archives. Non-GIT builds are only"
824        echo "supported with source archives linked from:"
825        echo
826        echo "  https://www.qemu.org/download/#source"
827        echo
828        echo "Developers working with GIT can use scripts/archive-source.sh"
829        echo "if they need to create valid source archives."
830    fi
831    echo
832    exit 1
833fi
834
835default_target_list=""
836mak_wilds=""
837
838if [ -n "$host_arch" ] && [ -d "$source_path/common-user/host/$host_arch" ]; then
839    if [ "$linux_user" != no ]; then
840        if [ "$host_os" = linux ]; then
841            linux_user=yes
842        elif [ "$linux_user" = yes ]; then
843            error_exit "linux-user not supported on this architecture"
844        fi
845        if [ "$linux_user" = "yes" ]; then
846            mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
847        fi
848    fi
849    if [ "$bsd_user" != no ]; then
850        if [ "$bsd_user" = "" ]; then
851            test $host_os = freebsd && bsd_user=yes
852        fi
853        if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$host_os" ]; then
854            error_exit "bsd-user not supported on this host OS"
855        fi
856        if [ "$bsd_user" = "yes" ]; then
857            mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
858        fi
859    fi
860else
861    if [ "$linux_user" = yes ] || [ "$bsd_user" = yes ]; then
862        error_exit "user mode emulation not supported on this architecture"
863    fi
864fi
865if [ "$system" = "yes" ]; then
866    mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
867fi
868
869for config in $mak_wilds; do
870    target="$(basename "$config" .mak)"
871    if echo "$target_list_exclude" | grep -vq "$target"; then
872        default_target_list="${default_target_list} $target"
873    fi
874done
875
876if test x"$show_help" = x"yes" ; then
877cat << EOF
878
879Usage: configure [options]
880Options: [defaults in brackets after descriptions]
881
882Standard options:
883  --help                   print this message
884  --target-list=LIST       set target list (default: build all)
885$(echo Available targets: $default_target_list | \
886  fold -s -w 53 | sed -e 's/^/                           /')
887  --target-list-exclude=LIST exclude a set of targets from the default target-list
888
889Advanced options (experts only):
890  -Dmesonoptname=val       passthrough option to meson unmodified
891  --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
892  --cc=CC                  use C compiler CC [$cc]
893  --host-cc=CC             when cross compiling, use C compiler CC for code run
894                           at build time [$host_cc]
895  --cxx=CXX                use C++ compiler CXX [$cxx]
896  --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
897  --rustc=RUSTC            use Rust compiler RUSTC [$rustc]
898  --rustdoc=RUSTDOC        use rustdoc binary RUSTDOC [$rustdoc]
899  --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
900  --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
901  --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
902  --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
903  --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
904  --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
905  --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
906  --python=PYTHON          use specified python [$python]
907  --ninja=NINJA            use specified ninja [$ninja]
908  --static                 enable static build [$static]
909  --rust-target-triple=TRIPLE  compilation target for Rust code [autodetect]
910  --without-default-features   default all --enable-* options to "disabled"
911  --without-default-devices    do not include any device that is not needed to
912                           start the emulator (only use if you are including
913                           desired devices in configs/devices/)
914  --with-devices-ARCH=NAME override default configs/devices
915  --enable-debug           enable common debug build options
916  --cpu=CPU                Build for host CPU [$cpu]
917  --disable-containers     don't use containers for cross-building
918  --container-engine=TYPE  which container engine to use [$container_engine]
919  --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
920EOF
921  meson_options_help
922cat << EOF
923  system          all system emulation targets
924  user            supported user emulation targets
925  linux-user      all linux usermode emulation targets
926  bsd-user        all BSD usermode emulation targets
927  pie             Position Independent Executables
928
929NOTE: The object files are built at the place where configure is launched
930EOF
931exit 0
932fi
933
934# Now that we are sure that the user did not only want to print the --help
935# information, we should double-check that the C compiler really works:
936write_c_skeleton
937if ! compile_object ; then
938    error_exit "C compiler \"$cc\" either does not exist or does not work."
939fi
940
941# Remove old dependency files to make sure that they get properly regenerated
942rm -f ./*/config-devices.mak.d
943
944if test -z "$python"
945then
946    # If first_python is set, there was a binary somewhere even though
947    # it was not suitable.  Use it for the error message.
948    if test -n "$first_python"; then
949        error_exit "Cannot use '$first_python', Python >= 3.9 is required." \
950            "Use --python=/path/to/python to specify a supported Python."
951    else
952        error_exit "Python not found. Use --python=/path/to/python"
953    fi
954fi
955
956if ! check_py_version "$python"; then
957  error_exit "Cannot use '$python', Python >= 3.9 is required." \
958             "Use --python=/path/to/python to specify a supported Python." \
959             "Maybe try:" \
960             "  openSUSE Leap 15.3+: zypper install python39" \
961             "  CentOS: dnf install python3.12"
962fi
963
964# Resolve PATH
965python="$(command -v "$python")"
966
967# Create a Python virtual environment using our configured python.
968# The stdout of this script will be the location of a symlink that
969# points to the configured Python.
970# Entry point scripts for pip, meson, and sphinx are generated if those
971# packages are present.
972
973# Defaults assumed for now:
974# - venv is cleared if it exists already;
975# - venv is allowed to use system packages;
976# - all setup can be performed offline;
977# - missing packages may be fetched from PyPI,
978#   unless --disable-download is passed.
979# - pip is not installed into the venv when possible,
980#   but ensurepip is called as a fallback when necessary.
981
982echo "python determined to be '$python'"
983echo "python version: $($python --version)"
984
985python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
986if test "$?" -ne 0 ; then
987    error_exit "python venv creation failed"
988fi
989
990# Suppress writing compiled files
991python="$python -B"
992mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
993
994# Finish preparing the virtual environment using vendored .whl files
995
996$mkvenv ensuregroup --dir "${source_path}/python/wheels" \
997     ${source_path}/pythondeps.toml meson || exit 1
998
999# At this point, we expect Meson to be installed and available.
1000# We expect mkvenv or pip to have created pyvenv/bin/meson for us.
1001# We ignore PATH completely here: we want to use the venv's Meson
1002# *exclusively*.
1003
1004meson="$(cd pyvenv/bin; pwd)/meson"
1005
1006# Conditionally ensure Sphinx is installed.
1007
1008mkvenv_online_flag=""
1009if test "$download" = "enabled" ; then
1010    mkvenv_online_flag=" --online"
1011fi
1012
1013if test "$docs" != "disabled" ; then
1014    if ! $mkvenv ensuregroup \
1015         $(test "$docs" = "enabled" && echo "$mkvenv_online_flag") \
1016         ${source_path}/pythondeps.toml docs;
1017    then
1018        if test "$docs" = "enabled" ; then
1019            exit 1
1020        fi
1021        echo "Sphinx not found/usable, disabling docs."
1022        docs=disabled
1023    else
1024        docs=enabled
1025    fi
1026fi
1027
1028# Probe for ninja
1029
1030if test -z "$ninja"; then
1031    for c in ninja ninja-build samu; do
1032        if has $c; then
1033            ninja=$(command -v "$c")
1034            break
1035        fi
1036    done
1037    if test -z "$ninja"; then
1038      error_exit "Cannot find Ninja"
1039    fi
1040fi
1041
1042if test "$host_os" = "bogus"; then
1043    # Now that we know that we're not printing the help and that
1044    # the compiler works (so the results of the check_defines we used
1045    # to identify the OS are reliable), if we didn't recognize the
1046    # host OS we should stop now.
1047    error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1048fi
1049
1050# test for any invalid configuration combinations
1051if test "$host_os" = "windows" && ! has "$dlltool"; then
1052  if test "$plugins" = "yes"; then
1053    error_exit "TCG plugins requires dlltool to build on Windows platforms"
1054  fi
1055  plugins="no"
1056fi
1057if test "$tcg" = "disabled" ; then
1058  if test "$plugins" = "yes"; then
1059    error_exit "Can't enable plugins on non-TCG builds"
1060  fi
1061  plugins="no"
1062fi
1063if test "$static" = "yes" ; then
1064  if test "$plugins" = "yes"; then
1065    error_exit "static and plugins are mutually incompatible"
1066  fi
1067  plugins="no"
1068fi
1069if test "$plugins" != "no"; then
1070    if has_meson_option "-Dtcg_interpreter=true"; then
1071        plugins="no"
1072    else
1073        plugins=yes
1074    fi
1075fi
1076
1077cat > $TMPC << EOF
1078
1079#ifdef __linux__
1080#  define THREAD __thread
1081#else
1082#  define THREAD
1083#endif
1084static THREAD int tls_var;
1085int main(void) { return tls_var; }
1086EOF
1087
1088if test "$host_os" = windows || test "$host_os" = haiku; then
1089  if test "$pie" = "yes"; then
1090    error_exit "PIE not available due to missing OS support"
1091  fi
1092  pie=no
1093fi
1094
1095if test "$pie" != "no"; then
1096  if test "$static" = "yes"; then
1097    pie_ldflags=-static-pie
1098  else
1099    pie_ldflags=-pie
1100  fi
1101  if compile_prog "-Werror -fPIE -DPIE" "$pie_ldflags"; then
1102    pie="yes"
1103  elif test "$pie" = "yes"; then
1104    error_exit "-static-pie not available due to missing toolchain support"
1105  else
1106    echo "Disabling PIE due to missing toolchain support"
1107    pie="no"
1108  fi
1109fi
1110
1111##########################################
1112
1113if test -z "${target_list+xxx}" ; then
1114    default_targets=yes
1115    for target in $default_target_list; do
1116        target_list="$target_list $target"
1117    done
1118    target_list="${target_list# }"
1119else
1120    default_targets=no
1121    target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1122    for target in $target_list; do
1123        # Check that we recognised the target name; this allows a more
1124        # friendly error message than if we let it fall through.
1125        case " $default_target_list " in
1126            *" $target "*)
1127                ;;
1128            *)
1129                error_exit "Unknown target name '$target'"
1130                ;;
1131        esac
1132    done
1133fi
1134
1135if test "$tcg" = "auto"; then
1136  if test -z "$target_list"; then
1137    tcg="disabled"
1138  else
1139    tcg="enabled"
1140  fi
1141fi
1142
1143#########################################
1144# gdb test
1145
1146if test -n "$gdb_bin"; then
1147    gdb_version_string=$($gdb_bin --version | head -n 1)
1148    # Extract last field in the version string
1149    gdb_version=${gdb_version_string##* }
1150    if version_ge $gdb_version 9.1; then
1151        gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1152    else
1153        gdb_bin=""
1154    fi
1155fi
1156
1157##########################################
1158# big/little endian test
1159cat > $TMPC << EOF
1160#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1161# error LITTLE
1162#endif
1163int main(void) { return 0; }
1164EOF
1165
1166if ! compile_prog ; then
1167  bigendian="no"
1168else
1169  cat > $TMPC << EOF
1170#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1171# error BIG
1172#endif
1173int main(void) { return 0; }
1174EOF
1175
1176  if ! compile_prog ; then
1177    bigendian="yes"
1178  else
1179    echo big/little test failed
1180    exit 1
1181  fi
1182fi
1183
1184##########################################
1185# detect rust triple
1186
1187meson_version=$($meson --version)
1188if test "$rust" != disabled && ! version_ge "$meson_version" 1.8.1; then
1189  if test "$rust" = enabled; then
1190    error_exit "Rust support needs Meson 1.8.1 or newer"
1191  fi
1192  echo "Rust needs Meson 1.8.1, disabling" 2>&1
1193  rust=disabled
1194fi
1195if test "$rust" != disabled && has "$rustc" && $rustc -vV > "${TMPDIR1}/${TMPB}.out"; then
1196  rust_host_triple=$(sed -n 's/^host: //p' "${TMPDIR1}/${TMPB}.out")
1197else
1198  if test "$rust" = enabled; then
1199    error_exit "could not execute rustc binary \"$rustc\""
1200  fi
1201  rust=disabled
1202fi
1203if test "$rust" != disabled && test -z "$rust_target_triple"; then
1204  # arch and os generally matches between meson and rust
1205  rust_arch=$host_arch
1206  rust_os=$host_os
1207  rust_machine=unknown
1208  rust_osvariant=
1209
1210  # tweak rust_os if needed; also, machine and variant depend on the OS
1211  android=no
1212  case "$host_os" in
1213  darwin)
1214    # e.g. aarch64-apple-darwin
1215    rust_machine=apple
1216    ;;
1217
1218  linux)
1219    # detect android/glibc/musl
1220    if check_define __ANDROID__; then
1221      rust_osvariant=android
1222      android=yes
1223    else
1224      cat > $TMPC << EOF
1225#define _GNU_SOURCE
1226#include <features.h>
1227#ifndef __USE_GNU
1228error using musl
1229#endif
1230EOF
1231      if compile_object; then
1232        rust_osvariant=gnu
1233      else
1234        rust_osvariant=musl
1235      fi
1236    fi
1237
1238    case "$cpu" in
1239    arm)
1240      # e.g. arm-unknown-linux-gnueabi, arm-unknown-linux-gnueabihf
1241      write_c_skeleton
1242      compile_object
1243      if $READELF -A $TMPO | grep Tag_API_VFP_args: > /dev/null; then
1244        rust_osvariant=${rust_osvariant}eabihf
1245      else
1246        rust_osvariant=${rust_osvariant}eabi
1247      fi
1248      ;;
1249
1250    mips64)
1251      # e.g. mips64-unknown-linux-gnuabi64
1252      rust_osvariant=${rust_osvariant}abi64
1253      ;;
1254    esac
1255    ;;
1256
1257  netbsd)
1258    # e.g. arm-unknown-netbsd-eabihf
1259    test "$host_arch" = arm && rust_osvariant=eabihf
1260    ;;
1261
1262  sunos)
1263    rust_machine=pc
1264    rust_os=solaris
1265    ;;
1266
1267  windows)
1268    # e.g. aarch64-pc-windows-gnullvm, x86_64-pc-windows-gnu (MSVC not supported)
1269    rust_machine=pc
1270    if test "$host_arch" = aarch64; then
1271      rust_osvariant=gnullvm
1272    else
1273      rust_osvariant=gnu
1274    fi
1275    ;;
1276  esac
1277
1278  # now tweak the architecture part, possibly based on pre-canonicalization --cpu
1279  case "$host_arch" in
1280  arm)
1281    # preserve ISA version (armv7 etc.) from $raw_cpu if passed via --cpu
1282    rust_arch=$raw_cpu
1283    test "$rust_arch" = arm && test "$rust_os" != linux && rust_arch=armv7
1284    ;;
1285
1286  mips)
1287    # preserve ISA version (mipsisa64r6 etc.) and include endianness
1288    rust_arch=${raw_cpu%el}
1289    test "$bigendian" = no && rust_arch=${rust_arch}el
1290    ;;
1291
1292  riscv32|riscv64)
1293    # e.g. riscv64gc-unknown-linux-gnu, but riscv64-linux-android
1294    test "$android" = no && rust_arch=${rust_arch}gc
1295    ;;
1296
1297  sparc64)
1298    if test "$rust_os" = solaris; then
1299      rust_arch=sparcv9
1300      rust_machine=sun
1301    fi
1302    ;;
1303
1304  x86_64)
1305    # e.g. x86_64-unknown-linux-gnux32
1306    test "$raw_cpu" = x32 && rust_osvariant=${rust_osvariant}x32
1307    ;;
1308  esac
1309
1310  if test "$android" = yes; then
1311    # e.g. aarch64-linux-android
1312    rust_target_triple=$rust_arch-$rust_os-$rust_osvariant
1313  else
1314    rust_target_triple=$rust_arch-$rust_machine-$rust_os${rust_osvariant:+-$rust_osvariant}
1315  fi
1316fi
1317
1318##########################################
1319# functions to probe cross compilers
1320
1321container="no"
1322runc=""
1323if test $use_containers = "yes" && (has "docker" || has "podman"); then
1324    case $($python "$source_path"/tests/docker/docker.py --engine "$container_engine" probe) in
1325        *docker) container=docker ;;
1326        podman) container=podman ;;
1327        no) container=no ;;
1328    esac
1329    if test "$container" != "no"; then
1330        docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1331        runc=$container
1332    fi
1333fi
1334
1335# cross compilers defaults, can be overridden with --cross-cc-ARCH
1336: ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1337: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1338: ${cross_prefix_alpha="alpha-linux-gnu-"}
1339: ${cross_prefix_arm="arm-linux-gnueabihf-"}
1340: ${cross_prefix_armeb="$cross_prefix_arm"}
1341: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1342: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1343: ${cross_prefix_hppa="hppa-linux-gnu-"}
1344: ${cross_prefix_i386="i686-linux-gnu-"}
1345: ${cross_prefix_m68k="m68k-linux-gnu-"}
1346: ${cross_prefix_microblaze="microblaze-linux-musl-"}
1347: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1348: ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1349: ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1350: ${cross_prefix_mips="mips-linux-gnu-"}
1351: ${cross_prefix_ppc="powerpc-linux-gnu-"}
1352: ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1353: ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1354: ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1355: ${cross_prefix_s390x="s390x-linux-gnu-"}
1356: ${cross_prefix_sh4="sh4-linux-gnu-"}
1357: ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1358: ${cross_prefix_sparc="$cross_prefix_sparc64"}
1359: ${cross_prefix_tricore="tricore-"}
1360: ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1361
1362: ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1363: ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1364: ${cross_cc_armeb="$cross_cc_arm"}
1365: ${cross_cc_cflags_armeb="-mbig-endian"}
1366: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1367: ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1368: ${cross_cc_cflags_i386="-m32"}
1369: ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1370: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1371: ${cross_cc_ppc64le="$cross_cc_ppc64"}
1372: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1373: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1374: ${cross_cc_sparc="$cross_cc_sparc64"}
1375: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1376: ${cross_cc_cflags_x86_64="-m64 -mcx16"}
1377
1378compute_target_variable() {
1379  eval "$2="
1380  if eval test -n "\"\${cross_prefix_$1}\""; then
1381    if eval has "\"\${cross_prefix_$1}\$3\""; then
1382      eval "$2=\"\${cross_prefix_$1}\$3\""
1383    fi
1384  fi
1385}
1386
1387have_target() {
1388  for i; do
1389    case " $target_list " in
1390      *" $i "*) return 0;;
1391      *) ;;
1392    esac
1393  done
1394  return 1
1395}
1396
1397# probe_target_compiler TARGET
1398#
1399# Look for a compiler for the given target, either native or cross.
1400# Set variables target_* if a compiler is found, and container_cross_*
1401# if a Docker-based cross-compiler image is known for the target.
1402# Set got_cross_cc to yes/no depending on whether a non-container-based
1403# compiler was found.
1404#
1405# If TARGET is a user-mode emulation target, also set build_static to
1406# "y" if static linking is possible.
1407#
1408probe_target_compiler() {
1409  # reset all output variables
1410  got_cross_cc=no
1411  container_image=
1412  container_hosts=
1413  container_cross_prefix=
1414  container_cross_cc=
1415  container_cross_ar=
1416  container_cross_as=
1417  container_cross_ld=
1418  container_cross_nm=
1419  container_cross_objcopy=
1420  container_cross_ranlib=
1421  container_cross_strip=
1422
1423  target_arch=${1%%-*}
1424  case $target_arch in
1425    aarch64) container_hosts="x86_64 aarch64" ;;
1426    aarch64_be) container_hosts="x86_64 aarch64" ;;
1427    alpha) container_hosts=x86_64 ;;
1428    arm) container_hosts="x86_64 aarch64" ;;
1429    hexagon) container_hosts=x86_64 ;;
1430    hppa) container_hosts=x86_64 ;;
1431    i386) container_hosts=x86_64 ;;
1432    loongarch64) container_hosts=x86_64 ;;
1433    m68k) container_hosts=x86_64 ;;
1434    microblaze) container_hosts=x86_64 ;;
1435    mips64el) container_hosts=x86_64 ;;
1436    mips64) container_hosts=x86_64 ;;
1437    mipsel) container_hosts=x86_64 ;;
1438    mips) container_hosts=x86_64 ;;
1439    ppc) container_hosts=x86_64 ;;
1440    ppc64|ppc64le) container_hosts=x86_64 ;;
1441    riscv64) container_hosts=x86_64 ;;
1442    s390x) container_hosts=x86_64 ;;
1443    sh4) container_hosts=x86_64 ;;
1444    sparc64) container_hosts=x86_64 ;;
1445    tricore) container_hosts=x86_64 ;;
1446    x86_64) container_hosts="aarch64 ppc64le x86_64" ;;
1447    xtensa*) container_hosts=x86_64 ;;
1448  esac
1449
1450  for host in $container_hosts; do
1451    test "$container" != no || continue
1452    test "$host" = "$cpu" || continue
1453    case $target_arch in
1454      # debian-all-test-cross architectures
1455
1456      aarch64_be)
1457        container_image=debian-all-test-cross
1458        container_cross_prefix=aarch64-linux-gnu-
1459        ;;
1460      hppa|m68k|mips|riscv64|sparc64)
1461        container_image=debian-all-test-cross
1462        ;;
1463      mips64)
1464        container_image=debian-all-test-cross
1465        container_cross_prefix=mips64-linux-gnuabi64-
1466        ;;
1467      ppc|ppc64|ppc64le)
1468        container_image=debian-all-test-cross
1469        container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1470        ;;
1471
1472      # debian-legacy-test-cross architectures (need Debian 11)
1473      # - libc6.1-dev-alpha-cross: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054412
1474      # - sh4-linux-user: binaries don't run with bookworm compiler
1475
1476      alpha|sh4)
1477        container_image=debian-legacy-test-cross
1478        ;;
1479
1480      # architectures with individual containers
1481
1482      aarch64)
1483        # We don't have any bigendian build tools so we only use this for AArch64
1484        container_image=debian-arm64-cross
1485        ;;
1486      arm)
1487        # We don't have any bigendian build tools so we only use this for ARM
1488        container_image=debian-armhf-cross
1489        container_cross_prefix=arm-linux-gnueabihf-
1490        ;;
1491      hexagon)
1492        container_cross_prefix=hexagon-unknown-linux-musl-
1493        container_cross_cc=${container_cross_prefix}clang
1494        ;;
1495      i386)
1496        container_image=debian-i686-cross
1497        container_cross_prefix=i686-linux-gnu-
1498        ;;
1499      loongarch64)
1500        container_image=debian-loongarch-cross
1501        container_cross_prefix=loongarch64-unknown-linux-gnu-
1502        ;;
1503      microblaze)
1504        container_cross_prefix=microblaze-linux-musl-
1505        ;;
1506      mips64el)
1507        container_image=debian-all-test-cross
1508        container_cross_prefix=mips64el-linux-gnuabi64-
1509        ;;
1510      tricore)
1511        container_image=debian-tricore-cross
1512        container_cross_prefix=tricore-
1513        ;;
1514      x86_64)
1515        container_image=debian-amd64-cross
1516        ;;
1517      xtensa*)
1518        container_image=debian-xtensa-cross
1519
1520        # default to the dc232b cpu
1521        container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1522        ;;
1523    esac
1524    # Debian and GNU architecture names usually match
1525    : ${container_image:=debian-$target_arch-cross}
1526    : ${container_cross_prefix:=$target_arch-linux-gnu-}
1527    : ${container_cross_cc:=${container_cross_prefix}gcc}
1528    : ${container_cross_ar:=${container_cross_prefix}ar}
1529    : ${container_cross_as:=${container_cross_prefix}as}
1530    : ${container_cross_ld:=${container_cross_prefix}ld}
1531    : ${container_cross_nm:=${container_cross_prefix}nm}
1532    : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1533    : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1534    : ${container_cross_strip:=${container_cross_prefix}strip}
1535  done
1536
1537  try=cross
1538  # For softmmu/roms also look for a bi-endian or multilib-enabled host compiler
1539  if [ "${1%softmmu}" != "$1" ] || test "$target_arch" = "$cpu"; then
1540      case "$target_arch:$cpu" in
1541        aarch64_be:aarch64 | \
1542        armeb:arm | \
1543        i386:x86_64 | \
1544        mips*:mips64 | \
1545        ppc*:ppc64 | \
1546        sparc:sparc64 | \
1547        "$cpu:$cpu")
1548        try='native cross' ;;
1549      esac
1550  fi
1551  eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1552  for thistry in $try; do
1553    case $thistry in
1554    native)
1555      target_cc=$cc
1556      target_ccas=$ccas
1557      target_ar=$ar
1558      target_as=$as
1559      target_ld=$ld
1560      target_nm=$nm
1561      target_objcopy=$objcopy
1562      target_ranlib=$ranlib
1563      target_strip=$strip
1564      ;;
1565    cross)
1566      target_cc=
1567      if eval test -n "\"\${cross_cc_$target_arch}\""; then
1568        if eval has "\"\${cross_cc_$target_arch}\""; then
1569          eval "target_cc=\"\${cross_cc_$target_arch}\""
1570        fi
1571      else
1572        compute_target_variable $target_arch target_cc gcc
1573      fi
1574      target_ccas=$target_cc
1575      compute_target_variable $target_arch target_ar ar
1576      compute_target_variable $target_arch target_as as
1577      compute_target_variable $target_arch target_ld ld
1578      compute_target_variable $target_arch target_nm nm
1579      compute_target_variable $target_arch target_objcopy objcopy
1580      compute_target_variable $target_arch target_ranlib ranlib
1581      compute_target_variable $target_arch target_strip strip
1582      ;;
1583    esac
1584
1585    if test -n "$target_cc"; then
1586      case $target_arch in
1587        i386|x86_64)
1588          if $target_cc --version | grep -qi "clang"; then
1589            continue
1590          fi
1591          ;;
1592      esac
1593    elif test -n "$target_as" && test -n "$target_ld"; then
1594      # Special handling for assembler only targets
1595      case $target in
1596        tricore-softmmu)
1597          build_static=
1598          got_cross_cc=yes
1599          break
1600          ;;
1601        *)
1602          continue
1603          ;;
1604      esac
1605    else
1606      continue
1607    fi
1608
1609    write_c_skeleton
1610    case $1 in
1611      *-softmmu)
1612        if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1613          do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1614          got_cross_cc=yes
1615          break
1616        fi
1617        ;;
1618      *)
1619        if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1620          build_static=y
1621          got_cross_cc=yes
1622          break
1623        fi
1624        if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1625          build_static=
1626          got_cross_cc=yes
1627          break
1628        fi
1629        ;;
1630    esac
1631  done
1632  if test $got_cross_cc != yes; then
1633    build_static=
1634    target_cc=
1635    target_ccas=
1636    target_ar=
1637    target_as=
1638    target_ld=
1639    target_nm=
1640    target_objcopy=
1641    target_ranlib=
1642    target_strip=
1643  fi
1644  test -n "$target_cc"
1645}
1646
1647write_target_makefile() {
1648  echo "EXTRA_CFLAGS=$target_cflags"
1649  if test -z "$target_cc" && test -z "$target_as"; then
1650    test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1651    echo "$1: docker-image-$container_image" >> Makefile.prereqs
1652    if test -n "$container_cross_cc"; then
1653      echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1654      echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1655    fi
1656    echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1657    echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1658    echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1659    echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1660    echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1661    echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1662    echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1663  else
1664    if test -n "$target_cc"; then
1665      echo "CC=$target_cc"
1666      echo "CCAS=$target_ccas"
1667    fi
1668    if test -n "$target_ar"; then
1669      echo "AR=$target_ar"
1670    fi
1671    if test -n "$target_as"; then
1672      echo "AS=$target_as"
1673    fi
1674    if test -n "$target_ld"; then
1675      echo "LD=$target_ld"
1676    fi
1677    if test -n "$target_nm"; then
1678      echo "NM=$target_nm"
1679    fi
1680    if test -n "$target_objcopy"; then
1681      echo "OBJCOPY=$target_objcopy"
1682    fi
1683    if test -n "$target_ranlib"; then
1684      echo "RANLIB=$target_ranlib"
1685    fi
1686    if test -n "$target_strip"; then
1687      echo "STRIP=$target_strip"
1688    fi
1689  fi
1690}
1691
1692#######################################
1693# cross-compiled firmware targets
1694
1695# Set up build tree symlinks that point back into the source tree
1696# (these can be both files and directories).
1697# Caution: avoid adding files or directories here using wildcards. This
1698# will result in problems later if a new file matching the wildcard is
1699# added to the source tree -- nothing will cause configure to be rerun
1700# so the build tree will be missing the link back to the new file, and
1701# tests might fail. Prefer to keep the relevant files in their own
1702# directory and symlink the directory instead.
1703LINKS="Makefile"
1704LINKS="$LINKS docs/config"
1705LINKS="$LINKS pc-bios/optionrom/Makefile"
1706LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1707LINKS="$LINKS pc-bios/vof/Makefile"
1708LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1709LINKS="$LINKS tests/data"
1710LINKS="$LINKS tests/qemu-iotests/check tests/qemu-iotests/Makefile"
1711LINKS="$LINKS python"
1712for f in $LINKS ; do
1713    if [ -e "$source_path/$f" ]; then
1714        symlink "$source_path/$f" "$f"
1715    fi
1716done
1717
1718# use included Linux headers for KVM architectures
1719if test "$host_os" = "linux" && test -n "$linux_arch"; then
1720  symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1721fi
1722
1723echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1724
1725# Mac OS X ships with a broken assembler
1726if have_target i386-softmmu x86_64-softmmu && \
1727        test "$host_os" != "darwin" && test "$host_os" != "sunos" && \
1728        test "$host_os" != "haiku" && \
1729        probe_target_compiler i386-softmmu; then
1730    subdirs="$subdirs pc-bios/optionrom"
1731    config_mak=pc-bios/optionrom/config.mak
1732    echo "# Automatically generated by configure - do not modify" > $config_mak
1733    echo "TOPSRC_DIR=$source_path" >> $config_mak
1734    write_target_makefile >> $config_mak
1735fi
1736
1737if have_target ppc-softmmu ppc64-softmmu && \
1738        probe_target_compiler ppc-softmmu; then
1739    subdirs="$subdirs pc-bios/vof"
1740    config_mak=pc-bios/vof/config.mak
1741    echo "# Automatically generated by configure - do not modify" > $config_mak
1742    echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1743    write_target_makefile >> $config_mak
1744fi
1745
1746# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1747# (which is the lowest architecture level that Clang supports)
1748if have_target s390x-softmmu && probe_target_compiler s390x-softmmu && \
1749    GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" roms/SLOF >> config.log 2>&1; then
1750  write_c_skeleton
1751  do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1752  has_z900=$?
1753  if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1754    if [ $has_z900 != 0 ]; then
1755      echo "WARNING: Your compiler does not support the z900!"
1756      echo "         The s390-ccw bios will only work with guest CPUs >= z10."
1757    fi
1758    subdirs="$subdirs pc-bios/s390-ccw"
1759    config_mak=pc-bios/s390-ccw/config-host.mak
1760    echo "# Automatically generated by configure - do not modify" > $config_mak
1761    echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1762    echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_mak
1763    write_target_makefile >> $config_mak
1764  fi
1765fi
1766
1767#######################################
1768# generate config-host.mak
1769
1770config_host_mak="config-host.mak"
1771
1772echo "# Automatically generated by configure - do not modify" > $config_host_mak
1773echo >> $config_host_mak
1774
1775echo all: >> $config_host_mak
1776
1777echo "SRC_PATH=$source_path" >> $config_host_mak
1778echo "TARGET_DIRS=$target_list" >> $config_host_mak
1779echo "GDB=$gdb_bin" >> $config_host_mak
1780if test "$container" != no; then
1781    echo "RUNC=$runc" >> $config_host_mak
1782fi
1783echo "SUBDIRS=$subdirs" >> $config_host_mak
1784if test "$rust" != disabled; then
1785  echo "RUST_TARGET_TRIPLE=$rust_target_triple" >> $config_host_mak
1786fi
1787echo "PYTHON=$python" >> $config_host_mak
1788echo "MKVENV_ENSUREGROUP=$mkvenv ensuregroup $mkvenv_online_flag" >> $config_host_mak
1789echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1790echo "MESON=$meson" >> $config_host_mak
1791echo "NINJA=$ninja" >> $config_host_mak
1792echo "EXESUF=$EXESUF" >> $config_host_mak
1793if test "$default_targets" = "yes"; then
1794  echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1795fi
1796
1797# tests/tcg configuration
1798mkdir -p tests/tcg
1799echo "# Automatically generated by configure - do not modify" > tests/tcg/$config_host_mak
1800echo "SRC_PATH=$source_path" >> tests/tcg/$config_host_mak
1801if test "$plugins" = "yes" ; then
1802    echo "CONFIG_PLUGIN=y" >> tests/tcg/$config_host_mak
1803fi
1804
1805tcg_tests_targets=
1806for target in $target_list; do
1807  arch=${target%%-*}
1808
1809  case $target in
1810    xtensa*-linux-user)
1811      # the toolchain is not complete with headers, only build system tests
1812      continue
1813      ;;
1814    *-softmmu)
1815      test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1816      qemu="qemu-system-$arch"
1817      ;;
1818    *-linux-user|*-bsd-user)
1819      qemu="qemu-$arch"
1820      ;;
1821  esac
1822
1823  if probe_target_compiler $target || test -n "$container_image"; then
1824      test -n "$container_image" && build_static=y
1825      mkdir -p "tests/tcg/$target"
1826      config_target_mak=tests/tcg/$target/config-target.mak
1827      ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1828      echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1829      echo "TARGET_NAME=$arch" >> "$config_target_mak"
1830      echo "TARGET=$target" >> "$config_target_mak"
1831      write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1832      echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1833      echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1834
1835      # will GDB work with these binaries?
1836      if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1837          echo "GDB=$gdb_bin" >> $config_target_mak
1838      fi
1839
1840      if test "${gdb_arches#*aarch64}" != "$gdb_arches" && version_ge $gdb_version 15.1; then
1841          echo "GDB_HAS_MTE=y" >> $config_target_mak
1842      fi
1843
1844      if test "${gdb_arches#*aarch64}" != "$gdb_arches" && version_ge $gdb_version 16.0; then
1845          # GDB has to support MTE in baremetal to allow debugging MTE in QEMU system mode
1846          echo "GDB_SUPPORTS_MTE_IN_BAREMETAL=y" >> $config_target_mak
1847      fi
1848
1849      echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1850      tcg_tests_targets="$tcg_tests_targets $target"
1851  fi
1852done
1853
1854if test "$tcg" = "enabled"; then
1855    echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> $config_host_mak
1856fi
1857
1858if test "$skip_meson" = no; then
1859  cross="config-meson.cross.new"
1860  meson_quote() {
1861    test $# = 0 && return
1862    echo "'$(echo $* | sed "s/ /','/g")'"
1863  }
1864
1865  echo "# Automatically generated by configure - do not modify" > $cross
1866  echo "[properties]" >> $cross
1867
1868  # unroll any custom device configs
1869  for a in $device_archs; do
1870      eval "c=\$devices_${a}"
1871      echo "${a}-softmmu = '$c'" >> $cross
1872  done
1873
1874  echo "[built-in options]" >> $cross
1875  echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1876  echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1877  test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1878  echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1879  echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1880
1881  # Only enable by default for git builds and on select OSes
1882  echo "# environment defaults, can still be overridden on " >> $cross
1883  echo "# the command line" >> $cross
1884  if test -e "$source_path/.git" && \
1885      { test "$host_os" = linux || test "$host_os" = "windows"; }; then
1886      echo 'werror = true' >> $cross
1887  fi
1888  echo "[project options]" >> $cross
1889  if test "$SMBD" != ''; then
1890    echo "smbd = $(meson_quote "$SMBD")" >> $cross
1891  fi
1892  if test "${QEMU_GA_MANUFACTURER}" != ''; then
1893    echo "qemu_ga_manufacturer = $(meson_quote "${QEMU_GA_MANUFACTURER}")" >> $cross
1894  fi
1895  if test "${QEMU_GA_DISTRO}" != ''; then
1896    echo "qemu_ga_distro = $(meson_quote "${QEMU_GA_DISTRO}")" >> $cross
1897  fi
1898  if test "${QEMU_GA_VERSION}" != ''; then
1899    echo "qemu_ga_version = $(meson_quote "${QEMU_GA_VERSION}")" >> $cross
1900  fi
1901
1902  echo >> $cross
1903  echo "[binaries]" >> $cross
1904  echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1905  test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1906  test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1907  if test "$rust" != disabled; then
1908    if test "$rust_host_triple" != "$rust_target_triple"; then
1909      echo "rust = [$(meson_quote $rustc --target "$rust_target_triple")]" >> $cross
1910      echo "rustdoc = [$(meson_quote $rustdoc --target "$rust_target_triple")]" >> $cross
1911    else
1912      echo "rust = [$(meson_quote $rustc)]" >> $cross
1913      echo "rustdoc = [$(meson_quote $rustdoc)]" >> $cross
1914    fi
1915  fi
1916  echo "ar = [$(meson_quote $ar)]" >> $cross
1917  echo "dlltool = [$(meson_quote $dlltool)]" >> $cross
1918  echo "nm = [$(meson_quote $nm)]" >> $cross
1919  echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1920  echo "pkg-config = [$(meson_quote $pkg_config)]" >> $cross
1921  echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1922  echo "readelf = [$(meson_quote $readelf)]" >> $cross
1923  if has $sdl2_config; then
1924    echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1925  fi
1926  echo "strip = [$(meson_quote $strip)]" >> $cross
1927  echo "widl = [$(meson_quote $widl)]" >> $cross
1928  echo "windres = [$(meson_quote $windres)]" >> $cross
1929  echo "windmc = [$(meson_quote $windmc)]" >> $cross
1930  if test "$cross_compile" = "yes"; then
1931    echo "[host_machine]" >> $cross
1932    echo "system = '$host_os'" >> $cross
1933    case "$cpu" in
1934        i386)
1935            echo "cpu_family = 'x86'" >> $cross
1936            ;;
1937        *)
1938            echo "cpu_family = '$cpu'" >> $cross
1939            ;;
1940    esac
1941    echo "cpu = '$cpu'" >> $cross
1942    if test "$bigendian" = "yes" ; then
1943        echo "endian = 'big'" >> $cross
1944    else
1945        echo "endian = 'little'" >> $cross
1946    fi
1947
1948    native="config-meson.native.new"
1949    echo "# Automatically generated by configure - do not modify" > $native
1950    echo "[binaries]" >> $native
1951    echo "c = [$(meson_quote $host_cc)]" >> $native
1952    if test "$rust" != disabled; then
1953      echo "rust = [$(meson_quote $rustc)]" >> $cross
1954    fi
1955    mv $native config-meson.native
1956    meson_option_add --native-file
1957    meson_option_add config-meson.native
1958  fi
1959  mv $cross config-meson.cross
1960  meson_add_machine_file config-meson.cross
1961  if test -f "$source_path/configs/meson/$host_os.txt"; then
1962    meson_add_machine_file $source_path/configs/meson/$host_os.txt
1963  fi
1964
1965  rm -rf meson-private meson-info meson-logs
1966
1967  test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload"
1968  test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1969  test "$static" = yes && meson_option_add -Dprefer_static=true
1970  test "$pie" = no && meson_option_add -Db_pie=false
1971
1972  # QEMU options
1973  test "$rust" != "disabled" && meson_option_add "-Drust=$rust"
1974  test "$cfi" != false && meson_option_add "-Dcfi=$cfi" "-Db_lto=$cfi"
1975  test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1976  test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1977  test "$plugins" = yes && meson_option_add "-Dplugins=true"
1978  test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1979  run_meson() {
1980    NINJA=$ninja $meson setup "$@" "$PWD" "$source_path"
1981  }
1982  eval run_meson $meson_options
1983  if test "$?" -ne 0 ; then
1984      error_exit "meson setup failed"
1985  fi
1986  echo "$meson" > build.ninja.stamp
1987else
1988  if test -f meson-private/cmd_line.txt; then
1989    # Adjust old command line options that were removed
1990    # sed -i is not portable
1991    perl -i -ne '
1992      /^sphinx_build/ && next;
1993      print;' meson-private/cmd_line.txt
1994  fi
1995fi
1996
1997# Save the configure command line for later reuse.
1998cat <<EOD >config.status
1999#!/bin/sh
2000# Generated by configure.
2001# Run this file to recreate the current configuration.
2002# Compiler output produced by configure, useful for debugging
2003# configure, is in config.log if it exists.
2004EOD
2005
2006preserve_env() {
2007    envname=$1
2008
2009    eval envval=\$$envname
2010
2011    if test -n "$envval"
2012    then
2013	echo "$envname='$envval'" >> config.status
2014	echo "export $envname" >> config.status
2015    else
2016	echo "unset $envname" >> config.status
2017    fi
2018}
2019
2020# Preserve various env variables that influence what
2021# features/build target configure will detect
2022preserve_env AR
2023preserve_env AS
2024preserve_env CC
2025preserve_env CFLAGS
2026preserve_env CXX
2027preserve_env CXXFLAGS
2028preserve_env DLLTOOL
2029preserve_env LD
2030preserve_env LDFLAGS
2031preserve_env LD_LIBRARY_PATH
2032preserve_env NM
2033preserve_env OBJCFLAGS
2034preserve_env OBJCOPY
2035preserve_env PATH
2036preserve_env PKG_CONFIG
2037preserve_env PKG_CONFIG_LIBDIR
2038preserve_env PKG_CONFIG_PATH
2039preserve_env PYTHON
2040preserve_env QEMU_GA_MANUFACTURER
2041preserve_env QEMU_GA_DISTRO
2042preserve_env QEMU_GA_VERSION
2043preserve_env SDL2_CONFIG
2044preserve_env SMBD
2045preserve_env STRIP
2046preserve_env WIDL
2047preserve_env WINDRES
2048preserve_env WINDMC
2049
2050printf "exec" >>config.status
2051for i in "$0" "$@"; do
2052  test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
2053done
2054echo ' "$@"' >>config.status
2055chmod +x config.status
2056
2057rm -r "$TMPDIR1"
2058
2059if test "$rust" != disabled; then
2060  echo
2061  echo 'INFO: Rust bindings generation with `bindgen` might fail in some cases where'
2062  echo 'the detected `libclang` does not match the expected `clang` version/target. In'
2063  echo 'this case you must pass the path to `clang` and `libclang` to your build'
2064  echo 'command invocation using the environment variables CLANG_PATH and LIBCLANG_PATH'
2065fi
2066