xref: /openbmc/qemu/configure (revision d481cec7)
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" = "$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  --cpu=*) cpu="$optarg"
213  ;;
214  --extra-cflags=*)
215    EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
216    EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
217    EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
218    ;;
219  --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
220  ;;
221  --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
222  ;;
223  --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
224  ;;
225  --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
226  ;;
227  --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
228                      eval "cross_cc_cflags_${cc_arch}=\$optarg"
229  ;;
230  --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
231                eval "cross_cc_${cc_arch}=\$optarg"
232  ;;
233  --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
234  ;;
235  --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
236                    eval "cross_prefix_${cc_arch}=\$optarg"
237  ;;
238  --without-default-features) default_feature="no"
239  ;;
240  esac
241done
242
243default_cflags='-O2 -g'
244git_submodules_action="update"
245docs="auto"
246EXESUF=""
247system="yes"
248linux_user=""
249bsd_user=""
250plugins="$default_feature"
251subdirs=""
252ninja=""
253python=
254download="enabled"
255skip_meson=no
256use_containers="yes"
257rust="disabled"
258rust_target_triple=""
259gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
260gdb_arches=""
261
262# Don't accept a target_list environment variable.
263unset target_list
264unset target_list_exclude
265
266# The following Meson options are handled manually (still they
267# are included in the automatically generated help message)
268# because they automatically enable/disable other options
269tcg="auto"
270cfi="false"
271
272# Meson has PIE as a boolean rather than enabled/disabled/auto,
273# and we also need to check for -static-pie before Meson runs
274# which requires knowing whether --static is enabled.
275pie=""
276static="no"
277
278# Preferred compiler:
279#  ${CC} (if set)
280#  ${cross_prefix}gcc (if cross-prefix specified)
281#  system compiler
282if test -z "${CC}${cross_prefix}"; then
283  cc="cc"
284else
285  cc="${CC-${cross_prefix}gcc}"
286fi
287
288if test -z "${CXX}${cross_prefix}"; then
289  cxx="c++"
290else
291  cxx="${CXX-${cross_prefix}g++}"
292fi
293
294# Preferred ObjC compiler:
295# $objcc (if set, i.e. via --objcc option)
296# ${cross_prefix}clang (if cross-prefix specified)
297# clang (if available)
298# $cc
299if test -z "${objcc}${cross_prefix}"; then
300  if has clang; then
301    objcc=clang
302  else
303    objcc="$cc"
304  fi
305else
306  objcc="${objcc-${cross_prefix}clang}"
307fi
308
309ar="${AR-${cross_prefix}ar}"
310as="${AS-${cross_prefix}as}"
311ccas="${CCAS-$cc}"
312dlltool="${DLLTOOL-${cross_prefix}dlltool}"
313objcopy="${OBJCOPY-${cross_prefix}objcopy}"
314ld="${LD-${cross_prefix}ld}"
315ranlib="${RANLIB-${cross_prefix}ranlib}"
316nm="${NM-${cross_prefix}nm}"
317readelf="${READELF-${cross_prefix}readelf}"
318strip="${STRIP-${cross_prefix}strip}"
319widl="${WIDL-${cross_prefix}widl}"
320windres="${WINDRES-${cross_prefix}windres}"
321windmc="${WINDMC-${cross_prefix}windmc}"
322pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}"
323sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
324
325rustc="${RUSTC-rustc}"
326
327check_define() {
328cat > $TMPC <<EOF
329#if !defined($1)
330#error $1 not defined
331#endif
332int main(void) { return 0; }
333EOF
334  compile_object
335}
336
337write_c_skeleton() {
338    cat > $TMPC <<EOF
339int main(void) { return 0; }
340EOF
341}
342
343if check_define __linux__ ; then
344  host_os=linux
345elif check_define _WIN32 ; then
346  host_os=windows
347elif check_define __OpenBSD__ ; then
348  host_os=openbsd
349elif check_define __sun__ ; then
350  host_os=sunos
351elif check_define __HAIKU__ ; then
352  host_os=haiku
353elif check_define __FreeBSD__ ; then
354  host_os=freebsd
355elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
356  host_os=gnu/kfreebsd
357elif check_define __DragonFly__ ; then
358  host_os=dragonfly
359elif check_define __NetBSD__; then
360  host_os=netbsd
361elif check_define __APPLE__; then
362  host_os=darwin
363else
364  # This is a fatal error, but don't report it yet, because we
365  # might be going to just print the --help text, or it might
366  # be the result of a missing compiler.
367  host_os=bogus
368fi
369
370if test ! -z "$cpu" ; then
371  # command line argument
372  :
373elif check_define __i386__ ; then
374  cpu="i386"
375elif check_define __x86_64__ ; then
376  if check_define __ILP32__ ; then
377    cpu="x32"
378  else
379    cpu="x86_64"
380  fi
381elif check_define __sparc__ ; then
382  if check_define __arch64__ ; then
383    cpu="sparc64"
384  else
385    cpu="sparc"
386  fi
387elif check_define _ARCH_PPC ; then
388  if check_define _ARCH_PPC64 ; then
389    if check_define _LITTLE_ENDIAN ; then
390      cpu="ppc64le"
391    else
392      cpu="ppc64"
393    fi
394  else
395    cpu="ppc"
396  fi
397elif check_define __mips__ ; then
398  cpu="mips"
399elif check_define __s390__ ; then
400  if check_define __s390x__ ; then
401    cpu="s390x"
402  else
403    cpu="s390"
404  fi
405elif check_define __riscv ; then
406  if check_define _LP64 ; then
407    cpu="riscv64"
408  else
409    cpu="riscv32"
410  fi
411elif check_define __arm__ ; then
412  cpu="arm"
413elif check_define __aarch64__ ; then
414  cpu="aarch64"
415elif check_define __loongarch64 ; then
416  cpu="loongarch64"
417else
418  # Using uname is really broken, but it is just a fallback for architectures
419  # that are going to use TCI anyway
420  cpu=$(uname -m)
421  if test "$host_os" != "bogus"; then
422    echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
423  fi
424fi
425
426# Normalise host CPU name to the values used by Meson cross files and in source
427# directories, and set multilib cflags.  The canonicalization isn't really
428# necessary, because the architectures that we check for should not hit the
429# 'uname -m' case, but better safe than sorry in case --cpu= is used.
430#
431# Note that this case should only have supported host CPUs, not guests.
432# Please keep it sorted and synchronized with meson.build's host_arch.
433host_arch=
434linux_arch=
435raw_cpu=$cpu
436case "$cpu" in
437  aarch64)
438    host_arch=aarch64
439    linux_arch=arm64
440    ;;
441
442  armv*b|armv*l|arm)
443    cpu=arm
444    host_arch=arm
445    linux_arch=arm
446    ;;
447
448  i386|i486|i586|i686)
449    cpu="i386"
450    host_arch=i386
451    linux_arch=x86
452    CPU_CFLAGS="-m32"
453    ;;
454
455  loongarch*)
456    cpu=loongarch64
457    host_arch=loongarch64
458    linux_arch=loongarch
459    ;;
460
461  mips64*|mipsisa64*)
462    cpu=mips64
463    host_arch=mips
464    linux_arch=mips
465    ;;
466  mips*)
467    cpu=mips
468    host_arch=mips
469    linux_arch=mips
470    ;;
471
472  ppc)
473    host_arch=ppc
474    linux_arch=powerpc
475    CPU_CFLAGS="-m32"
476    ;;
477  ppc64)
478    host_arch=ppc64
479    linux_arch=powerpc
480    CPU_CFLAGS="-m64 -mbig-endian"
481    ;;
482  ppc64le)
483    cpu=ppc64
484    host_arch=ppc64
485    linux_arch=powerpc
486    CPU_CFLAGS="-m64 -mlittle-endian"
487    ;;
488
489  riscv32 | riscv64)
490    host_arch=riscv
491    linux_arch=riscv
492    ;;
493
494  s390)
495    linux_arch=s390
496    CPU_CFLAGS="-m31"
497    ;;
498  s390x)
499    host_arch=s390x
500    linux_arch=s390
501    CPU_CFLAGS="-m64"
502    ;;
503
504  sparc|sun4[cdmuv])
505    cpu=sparc
506    CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
507    ;;
508  sparc64)
509    host_arch=sparc64
510    CPU_CFLAGS="-m64 -mcpu=ultrasparc"
511    ;;
512
513  x32)
514    cpu="x86_64"
515    host_arch=x86_64
516    linux_arch=x86
517    CPU_CFLAGS="-mx32"
518    ;;
519  x86_64|amd64)
520    cpu="x86_64"
521    host_arch=x86_64
522    linux_arch=x86
523    CPU_CFLAGS="-m64"
524    ;;
525esac
526
527# Now we have our CPU_CFLAGS we can check if we are targeting a 32 or
528# 64 bit host.
529
530check_64bit_host() {
531cat > $TMPC <<EOF
532#if __SIZEOF_POINTER__ != 8
533#error not 64 bit system
534#endif
535int main(void) { return 0; }
536EOF
537  compile_object "$1"
538}
539
540if check_64bit_host "$CPU_CFLAGS"; then
541    host_bits=64
542else
543    host_bits=32
544fi
545
546if test -n "$host_arch" && {
547    ! test -d "$source_path/linux-user/include/host/$host_arch" ||
548    ! test -d "$source_path/common-user/host/$host_arch"; }; then
549    error_exit "linux-user/include/host/$host_arch does not exist." \
550       "This is a bug in the configure script, please report it."
551fi
552if test -n "$linux_arch" && ! test -d "$source_path/linux-headers/asm-$linux_arch"; then
553    error_exit "linux-headers/asm-$linux_arch does not exist." \
554       "This is a bug in the configure script, please report it."
555fi
556
557check_py_version() {
558    # We require python >= 3.8.
559    # NB: a True python conditional creates a non-zero return code (Failure)
560    "$1" -c 'import sys; sys.exit(sys.version_info < (3,8))'
561}
562
563first_python=
564if test -z "${PYTHON}"; then
565    # A bare 'python' is traditionally python 2.x, but some distros
566    # have it as python 3.x, so check in both places.
567    for binary in python3 python python3.12 python3.11 \
568                          python3.10 python3.9 python3.8; do
569        if has "$binary"; then
570            python=$(command -v "$binary")
571            if check_py_version "$python"; then
572                # This one is good.
573                first_python=
574                break
575            else
576                first_python=$python
577            fi
578        fi
579    done
580else
581    # Same as above, but only check the environment variable.
582    has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
583    python=$(command -v "$PYTHON")
584    if check_py_version "$python"; then
585        # This one is good.
586        first_python=
587    else
588        first_python=$first_python
589    fi
590fi
591
592# Check for ancillary tools used in testing
593genisoimage=
594for binary in genisoimage mkisofs
595do
596    if has $binary
597    then
598        genisoimage=$(command -v "$binary")
599        break
600    fi
601done
602
603if test "$host_os" = "windows" ; then
604  EXESUF=".exe"
605fi
606
607meson_option_build_array() {
608  printf '['
609  (if test "$host_os" = windows; then
610    IFS=\;
611  else
612    IFS=:
613  fi
614  for e in $1; do
615    printf '"""'
616    # backslash escape any '\' and '"' characters
617    printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
618    printf '""",'
619  done)
620  printf ']\n'
621}
622
623. "$source_path/scripts/meson-buildoptions.sh"
624
625meson_options=
626meson_option_add() {
627  local arg
628  for arg; do
629    meson_options="$meson_options $(quote_sh "$arg")"
630  done
631}
632meson_option_parse() {
633  meson_options="$meson_options $(_meson_option_parse "$@")"
634  if test $? -eq 1; then
635    echo "ERROR: unknown option $1"
636    echo "Try '$0 --help' for more information"
637    exit 1
638  fi
639}
640has_meson_option() {
641    test "${meson_options#*"$1"}" != "$meson_options"
642}
643
644meson_add_machine_file() {
645  if test "$cross_compile" = "yes"; then
646    meson_option_add --cross-file "$1"
647  else
648    meson_option_add --native-file "$1"
649  fi
650}
651
652for opt do
653  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
654  case "$opt" in
655  --help|-h) show_help=yes
656  ;;
657  --version|-V) exec cat "$source_path/VERSION"
658  ;;
659  --cross-prefix=*)
660  ;;
661  --cc=*)
662  ;;
663  --host-cc=*) host_cc="$optarg"
664  ;;
665  --cxx=*)
666  ;;
667  --objcc=*)
668  ;;
669  --rustc=*)
670  ;;
671  --make=*)
672  ;;
673  --install=*)
674  ;;
675  --python=*) python="$optarg"
676  ;;
677  --skip-meson) skip_meson=yes
678  ;;
679  --ninja=*) ninja="$optarg"
680  ;;
681  --extra-cflags=*)
682  ;;
683  --extra-cxxflags=*)
684  ;;
685  --extra-objcflags=*)
686  ;;
687  --extra-ldflags=*)
688  ;;
689  --cross-cc-*)
690  ;;
691  --cross-prefix-*)
692  ;;
693  --enable-docs) docs=enabled
694  ;;
695  --disable-docs) docs=disabled
696  ;;
697  --cpu=*)
698  ;;
699  --target-list=*) target_list="$optarg"
700                   if test "$target_list_exclude"; then
701                       error_exit "Can't mix --target-list with --target-list-exclude"
702                   fi
703  ;;
704  --target-list-exclude=*) target_list_exclude="$optarg"
705                   if test "$target_list"; then
706                       error_exit "Can't mix --target-list-exclude with --target-list"
707                   fi
708  ;;
709  --with-default-devices) meson_option_add -Ddefault_devices=true
710  ;;
711  --without-default-devices) meson_option_add -Ddefault_devices=false
712  ;;
713  --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
714  ;;
715  --with-devices-*) device_arch=${opt#--with-devices-};
716                    device_arch=${device_arch%%=*}
717                    cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
718                    if test -f "$cf"; then
719                        device_archs="$device_archs $device_arch"
720                        eval "devices_${device_arch}=\$optarg"
721                    else
722                        error_exit "File $cf does not exist"
723                    fi
724  ;;
725  --without-default-features) # processed above
726  ;;
727  --static) static="yes"
728  ;;
729  --host=*|--build=*|\
730  --disable-dependency-tracking|\
731  --sbindir=*|--sharedstatedir=*|\
732  --oldincludedir=*|--datarootdir=*|--infodir=*|\
733  --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
734    # These switches are silently ignored, for compatibility with
735    # autoconf-generated configure scripts. This allows QEMU's
736    # configure to be used by RPM and similar macros that set
737    # lots of directory switches by default.
738  ;;
739  --enable-debug)
740      # Enable debugging options that aren't excessively noisy
741      meson_option_parse --enable-debug-tcg ""
742      meson_option_parse --enable-debug-graph-lock ""
743      meson_option_parse --enable-debug-mutex ""
744      meson_option_add -Doptimization=0
745      default_cflags='-O0 -g'
746  ;;
747  --disable-tcg) tcg="disabled"
748  ;;
749  --enable-tcg) tcg="enabled"
750  ;;
751  --disable-system) system="no"
752  ;;
753  --enable-system) system="yes"
754  ;;
755  --disable-user)
756      linux_user="no" ;
757      bsd_user="no" ;
758  ;;
759  --enable-user) ;;
760  --disable-linux-user) linux_user="no"
761  ;;
762  --enable-linux-user) linux_user="yes"
763  ;;
764  --disable-bsd-user) bsd_user="no"
765  ;;
766  --enable-bsd-user) bsd_user="yes"
767  ;;
768  --enable-pie) pie="yes"
769  ;;
770  --disable-pie) pie="no"
771  ;;
772  --enable-cfi) cfi=true
773  ;;
774  --disable-cfi) cfi=false
775  ;;
776  --disable-download) download="disabled"; git_submodules_action=validate;
777  ;;
778  --enable-download) download="enabled"; git_submodules_action=update;
779  ;;
780  --enable-plugins) plugins="yes"
781  ;;
782  --disable-plugins) plugins="no"
783  ;;
784  --enable-containers) use_containers="yes"
785  ;;
786  --disable-containers) use_containers="no"
787  ;;
788  --container-engine=*) container_engine="$optarg"
789  ;;
790  --rust-target-triple=*) rust_target_triple="$optarg"
791  ;;
792  --gdb=*) gdb_bin="$optarg"
793  ;;
794  --enable-rust) rust=enabled
795  ;;
796  --disable-rust) rust=disabled
797  ;;
798  # everything else has the same name in configure and meson
799  --*) meson_option_parse "$opt" "$optarg"
800  ;;
801  # Pass through -Dxxxx options to meson
802  -D*) meson_option_add "$opt"
803  ;;
804  esac
805done
806
807if ! test -e "$source_path/.git"
808then
809    git_submodules_action="validate"
810fi
811
812if ! test -f "$source_path/subprojects/keycodemapdb/README" \
813    && test "$download" = disabled
814then
815    echo
816    echo "ERROR: missing subprojects"
817    echo
818    if test -e "$source_path/.git"; then
819        echo "--disable-download specified but subprojects were not"
820        echo 'checked out.  Please invoke "meson subprojects download"'
821        echo "before configuring QEMU, or remove --disable-download"
822        echo "from the command line."
823    else
824        echo "This is not a GIT checkout but subproject content appears to"
825        echo "be missing. Do not use 'git archive' or GitHub download links"
826        echo "to acquire QEMU source archives. Non-GIT builds are only"
827        echo "supported with source archives linked from:"
828        echo
829        echo "  https://www.qemu.org/download/#source"
830        echo
831        echo "Developers working with GIT can use scripts/archive-source.sh"
832        echo "if they need to create valid source archives."
833    fi
834    echo
835    exit 1
836fi
837
838default_target_list=""
839mak_wilds=""
840
841if [ -n "$host_arch" ] && [ -d "$source_path/common-user/host/$host_arch" ]; then
842    if [ "$linux_user" != no ]; then
843        if [ "$host_os" = linux ]; then
844            linux_user=yes
845        elif [ "$linux_user" = yes ]; then
846            error_exit "linux-user not supported on this architecture"
847        fi
848        if [ "$linux_user" = "yes" ]; then
849            mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
850        fi
851    fi
852    if [ "$bsd_user" != no ]; then
853        if [ "$bsd_user" = "" ]; then
854            test $host_os = freebsd && bsd_user=yes
855        fi
856        if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$host_os" ]; then
857            error_exit "bsd-user not supported on this host OS"
858        fi
859        if [ "$bsd_user" = "yes" ]; then
860            mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
861        fi
862    fi
863else
864    if [ "$linux_user" = yes ] || [ "$bsd_user" = yes ]; then
865        error_exit "user mode emulation not supported on this architecture"
866    fi
867fi
868if [ "$system" = "yes" ]; then
869    mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
870fi
871
872for config in $mak_wilds; do
873    target="$(basename "$config" .mak)"
874    if echo "$target_list_exclude" | grep -vq "$target"; then
875        default_target_list="${default_target_list} $target"
876    fi
877done
878
879if test x"$show_help" = x"yes" ; then
880cat << EOF
881
882Usage: configure [options]
883Options: [defaults in brackets after descriptions]
884
885Standard options:
886  --help                   print this message
887  --target-list=LIST       set target list (default: build all)
888$(echo Available targets: $default_target_list | \
889  fold -s -w 53 | sed -e 's/^/                           /')
890  --target-list-exclude=LIST exclude a set of targets from the default target-list
891
892Advanced options (experts only):
893  -Dmesonoptname=val       passthrough option to meson unmodified
894  --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
895  --cc=CC                  use C compiler CC [$cc]
896  --host-cc=CC             when cross compiling, use C compiler CC for code run
897                           at build time [$host_cc]
898  --cxx=CXX                use C++ compiler CXX [$cxx]
899  --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
900  --rustc=RUSTC            use Rust compiler RUSTC [$rustc]
901  --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
902  --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
903  --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
904  --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
905  --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
906  --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
907  --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
908  --python=PYTHON          use specified python [$python]
909  --ninja=NINJA            use specified ninja [$ninja]
910  --static                 enable static build [$static]
911  --rust-target-triple=TRIPLE  compilation target for Rust code [autodetect]
912  --without-default-features   default all --enable-* options to "disabled"
913  --without-default-devices    do not include any device that is not needed to
914                           start the emulator (only use if you are including
915                           desired devices in configs/devices/)
916  --with-devices-ARCH=NAME override default configs/devices
917  --enable-debug           enable common debug build options
918  --cpu=CPU                Build for host CPU [$cpu]
919  --disable-containers     don't use containers for cross-building
920  --container-engine=TYPE  which container engine to use [$container_engine]
921  --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
922EOF
923  meson_options_help
924cat << EOF
925  system          all system emulation targets
926  user            supported user emulation targets
927  linux-user      all linux usermode emulation targets
928  bsd-user        all BSD usermode emulation targets
929  pie             Position Independent Executables
930
931NOTE: The object files are built at the place where configure is launched
932EOF
933exit 0
934fi
935
936# Now that we are sure that the user did not only want to print the --help
937# information, we should double-check that the C compiler really works:
938write_c_skeleton
939if ! compile_object ; then
940    error_exit "C compiler \"$cc\" either does not exist or does not work."
941fi
942
943# Remove old dependency files to make sure that they get properly regenerated
944rm -f ./*/config-devices.mak.d
945
946if test -z "$python"
947then
948    # If first_python is set, there was a binary somewhere even though
949    # it was not suitable.  Use it for the error message.
950    if test -n "$first_python"; then
951        error_exit "Cannot use '$first_python', Python >= 3.8 is required." \
952            "Use --python=/path/to/python to specify a supported Python."
953    else
954        error_exit "Python not found. Use --python=/path/to/python"
955    fi
956fi
957
958if ! check_py_version "$python"; then
959  error_exit "Cannot use '$python', Python >= 3.8 is required." \
960             "Use --python=/path/to/python to specify a supported Python." \
961             "Maybe try:" \
962             "  openSUSE Leap 15.3+: zypper install python39" \
963             "  CentOS 8: dnf install python38"
964fi
965
966# Resolve PATH
967python="$(command -v "$python")"
968
969# Create a Python virtual environment using our configured python.
970# The stdout of this script will be the location of a symlink that
971# points to the configured Python.
972# Entry point scripts for pip, meson, and sphinx are generated if those
973# packages are present.
974
975# Defaults assumed for now:
976# - venv is cleared if it exists already;
977# - venv is allowed to use system packages;
978# - all setup can be performed offline;
979# - missing packages may be fetched from PyPI,
980#   unless --disable-download is passed.
981# - pip is not installed into the venv when possible,
982#   but ensurepip is called as a fallback when necessary.
983
984echo "python determined to be '$python'"
985echo "python version: $($python --version)"
986
987python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
988if test "$?" -ne 0 ; then
989    error_exit "python venv creation failed"
990fi
991
992# Suppress writing compiled files
993python="$python -B"
994mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
995
996# Finish preparing the virtual environment using vendored .whl files
997
998$mkvenv ensuregroup --dir "${source_path}/python/wheels" \
999     ${source_path}/pythondeps.toml meson || exit 1
1000
1001# At this point, we expect Meson to be installed and available.
1002# We expect mkvenv or pip to have created pyvenv/bin/meson for us.
1003# We ignore PATH completely here: we want to use the venv's Meson
1004# *exclusively*.
1005
1006meson="$(cd pyvenv/bin; pwd)/meson"
1007
1008# Conditionally ensure Sphinx is installed.
1009
1010mkvenv_online_flag=""
1011if test "$download" = "enabled" ; then
1012    mkvenv_online_flag=" --online"
1013fi
1014
1015if test "$docs" != "disabled" ; then
1016    if ! $mkvenv ensuregroup \
1017         $(test "$docs" = "enabled" && echo "$mkvenv_online_flag") \
1018         ${source_path}/pythondeps.toml docs;
1019    then
1020        if test "$docs" = "enabled" ; then
1021            exit 1
1022        fi
1023        echo "Sphinx not found/usable, disabling docs."
1024        docs=disabled
1025    else
1026        docs=enabled
1027    fi
1028fi
1029
1030# Probe for ninja
1031
1032if test -z "$ninja"; then
1033    for c in ninja ninja-build samu; do
1034        if has $c; then
1035            ninja=$(command -v "$c")
1036            break
1037        fi
1038    done
1039    if test -z "$ninja"; then
1040      error_exit "Cannot find Ninja"
1041    fi
1042fi
1043
1044if test "$host_os" = "bogus"; then
1045    # Now that we know that we're not printing the help and that
1046    # the compiler works (so the results of the check_defines we used
1047    # to identify the OS are reliable), if we didn't recognize the
1048    # host OS we should stop now.
1049    error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1050fi
1051
1052# test for any invalid configuration combinations
1053if test "$host_os" = "windows" && ! has "$dlltool"; then
1054  if test "$plugins" = "yes"; then
1055    error_exit "TCG plugins requires dlltool to build on Windows platforms"
1056  fi
1057  plugins="no"
1058fi
1059if test "$tcg" = "disabled" ; then
1060  if test "$plugins" = "yes"; then
1061    error_exit "Can't enable plugins on non-TCG builds"
1062  fi
1063  plugins="no"
1064fi
1065if test "$static" = "yes" ; then
1066  if test "$plugins" = "yes"; then
1067    error_exit "static and plugins are mutually incompatible"
1068  fi
1069  plugins="no"
1070fi
1071if test "$plugins" != "no" && test $host_bits -eq 64; then
1072    if has_meson_option "-Dtcg_interpreter=true"; then
1073        plugins="no"
1074    else
1075        plugins=yes
1076        subdirs="$subdirs contrib/plugins"
1077    fi
1078fi
1079
1080cat > $TMPC << EOF
1081
1082#ifdef __linux__
1083#  define THREAD __thread
1084#else
1085#  define THREAD
1086#endif
1087static THREAD int tls_var;
1088int main(void) { return tls_var; }
1089EOF
1090
1091if test "$host_os" = windows || test "$host_os" = haiku; then
1092  if test "$pie" = "yes"; then
1093    error_exit "PIE not available due to missing OS support"
1094  fi
1095  pie=no
1096fi
1097
1098if test "$pie" != "no"; then
1099  if test "$static" = "yes"; then
1100    pie_ldflags=-static-pie
1101  else
1102    pie_ldflags=-pie
1103  fi
1104  if compile_prog "-Werror -fPIE -DPIE" "$pie_ldflags"; then
1105    pie="yes"
1106  elif test "$pie" = "yes"; then
1107    error_exit "-static-pie not available due to missing toolchain support"
1108  else
1109    echo "Disabling PIE due to missing toolchain support"
1110    pie="no"
1111  fi
1112fi
1113
1114##########################################
1115
1116if test -z "${target_list+xxx}" ; then
1117    default_targets=yes
1118    for target in $default_target_list; do
1119        target_list="$target_list $target"
1120    done
1121    target_list="${target_list# }"
1122else
1123    default_targets=no
1124    target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1125    for target in $target_list; do
1126        # Check that we recognised the target name; this allows a more
1127        # friendly error message than if we let it fall through.
1128        case " $default_target_list " in
1129            *" $target "*)
1130                ;;
1131            *)
1132                error_exit "Unknown target name '$target'"
1133                ;;
1134        esac
1135    done
1136fi
1137
1138if test "$tcg" = "auto"; then
1139  if test -z "$target_list"; then
1140    tcg="disabled"
1141  else
1142    tcg="enabled"
1143  fi
1144fi
1145
1146#########################################
1147# gdb test
1148
1149if test -n "$gdb_bin"; then
1150    gdb_version_string=$($gdb_bin --version | head -n 1)
1151    # Extract last field in the version string
1152    gdb_version=${gdb_version_string##* }
1153    if version_ge $gdb_version 9.1; then
1154        gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1155    else
1156        gdb_bin=""
1157    fi
1158fi
1159
1160##########################################
1161# big/little endian test
1162cat > $TMPC << EOF
1163#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1164# error LITTLE
1165#endif
1166int main(void) { return 0; }
1167EOF
1168
1169if ! compile_prog ; then
1170  bigendian="no"
1171else
1172  cat > $TMPC << EOF
1173#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1174# error BIG
1175#endif
1176int main(void) { return 0; }
1177EOF
1178
1179  if ! compile_prog ; then
1180    bigendian="yes"
1181  else
1182    echo big/little test failed
1183    exit 1
1184  fi
1185fi
1186
1187##########################################
1188# detect rust triple
1189
1190if test "$rust" != disabled && has "$rustc" && $rustc -vV > "${TMPDIR1}/${TMPB}.out"; then
1191  rust_host_triple=$(sed -n 's/^host: //p' "${TMPDIR1}/${TMPB}.out")
1192else
1193  if test "$rust" = enabled; then
1194    error_exit "could not execute rustc binary \"$rustc\""
1195  fi
1196  rust=disabled
1197fi
1198if test "$rust" != disabled && test -z "$rust_target_triple"; then
1199  # arch and os generally matches between meson and rust
1200  rust_arch=$host_arch
1201  rust_os=$host_os
1202  rust_machine=unknown
1203  rust_osvariant=
1204
1205  # tweak rust_os if needed; also, machine and variant depend on the OS
1206  android=no
1207  case "$host_os" in
1208  darwin)
1209    # e.g. aarch64-apple-darwin
1210    rust_machine=apple
1211    ;;
1212
1213  linux)
1214    # detect android/glibc/musl
1215    if check_define __ANDROID__; then
1216      rust_osvariant=android
1217      android=yes
1218    else
1219      cat > $TMPC << EOF
1220#define _GNU_SOURCE
1221#include <features.h>
1222#ifndef __USE_GNU
1223error using musl
1224#endif
1225EOF
1226      if compile_object; then
1227        rust_osvariant=gnu
1228      else
1229        rust_osvariant=musl
1230      fi
1231    fi
1232
1233    case "$host_arch" in
1234    arm)
1235      # e.g. arm-unknown-linux-gnueabi, arm-unknown-linux-gnueabihf
1236      write_c_skeleton
1237      compile_object
1238      if $READELF -A $TMPO | grep Tag_API_VFP_args: > /dev/null; then
1239        rust_osvariant=${rust_osvariant}eabihf
1240      else
1241        rust_osvariant=${rust_osvariant}eabi
1242      fi
1243      ;;
1244
1245    mips64)
1246      # e.g. mips64-unknown-linux-gnuabi64
1247      rust_osvariant=${rust_osvariant}abi64
1248      ;;
1249    esac
1250    ;;
1251
1252  netbsd)
1253    # e.g. arm-unknown-netbsd-eabihf
1254    test "$host_arch" = arm && rust_osvariant=eabihf
1255    ;;
1256
1257  sunos)
1258    rust_machine=pc
1259    rust_os=solaris
1260    ;;
1261
1262  windows)
1263    # e.g. aarch64-pc-windows-gnullvm, x86_64-pc-windows-gnu (MSVC not supported)
1264    rust_machine=pc
1265    if test "$host_arch" = aarch64; then
1266      rust_osvariant=gnullvm
1267    else
1268      rust_osvariant=gnu
1269    fi
1270    ;;
1271  esac
1272
1273  # now tweak the architecture part, possibly based on pre-canonicalization --cpu
1274  case "$host_arch" in
1275  arm)
1276    # preserve ISA version (armv7 etc.) from $raw_cpu if passed via --cpu
1277    rust_arch=$raw_cpu
1278    test "$rust_arch" = arm && test "$rust_os" != linux && rust_arch=armv7
1279    ;;
1280
1281  mips|mips64)
1282    # preserve ISA version (mipsisa64r6 etc.) and include endianness
1283    rust_arch=${raw_cpu%el}
1284    test "$bigendian" = no && rust_arch=${rust_arch}el
1285    ;;
1286
1287  riscv32|riscv64)
1288    # e.g. riscv64gc-unknown-linux-gnu, but riscv64-linux-android
1289    test "$android" = no && rust_arch=${rust_arch}gc
1290    ;;
1291
1292  sparc64)
1293    if test "$rust_os" = solaris; then
1294      rust_arch=sparcv9
1295      rust_machine=sun
1296    fi
1297    ;;
1298
1299  x86_64)
1300    # e.g. x86_64-unknown-linux-gnux32
1301    test "$raw_cpu" = x32 && rust_osvariant=${rust_osvariant}x32
1302    ;;
1303  esac
1304
1305  if test "$android" = yes; then
1306    # e.g. aarch64-linux-android
1307    rust_target_triple=$rust_arch-$rust_os-$rust_osvariant
1308  else
1309    rust_target_triple=$rust_arch-$rust_machine-$rust_os${rust_osvariant:+-$rust_osvariant}
1310  fi
1311fi
1312
1313##########################################
1314# functions to probe cross compilers
1315
1316container="no"
1317runc=""
1318if test $use_containers = "yes" && (has "docker" || has "podman"); then
1319    case $($python "$source_path"/tests/docker/docker.py --engine "$container_engine" probe) in
1320        *docker) container=docker ;;
1321        podman) container=podman ;;
1322        no) container=no ;;
1323    esac
1324    if test "$container" != "no"; then
1325        docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1326        runc=$container
1327    fi
1328fi
1329
1330# cross compilers defaults, can be overridden with --cross-cc-ARCH
1331: ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1332: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1333: ${cross_prefix_alpha="alpha-linux-gnu-"}
1334: ${cross_prefix_arm="arm-linux-gnueabihf-"}
1335: ${cross_prefix_armeb="$cross_prefix_arm"}
1336: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1337: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1338: ${cross_prefix_hppa="hppa-linux-gnu-"}
1339: ${cross_prefix_i386="i686-linux-gnu-"}
1340: ${cross_prefix_m68k="m68k-linux-gnu-"}
1341: ${cross_prefix_microblaze="microblaze-linux-musl-"}
1342: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1343: ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1344: ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1345: ${cross_prefix_mips="mips-linux-gnu-"}
1346: ${cross_prefix_ppc="powerpc-linux-gnu-"}
1347: ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1348: ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1349: ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1350: ${cross_prefix_s390x="s390x-linux-gnu-"}
1351: ${cross_prefix_sh4="sh4-linux-gnu-"}
1352: ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1353: ${cross_prefix_sparc="$cross_prefix_sparc64"}
1354: ${cross_prefix_tricore="tricore-"}
1355: ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1356
1357: ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1358: ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1359: ${cross_cc_armeb="$cross_cc_arm"}
1360: ${cross_cc_cflags_armeb="-mbig-endian"}
1361: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1362: ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1363: ${cross_cc_cflags_i386="-m32"}
1364: ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1365: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1366: ${cross_cc_ppc64le="$cross_cc_ppc64"}
1367: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1368: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1369: ${cross_cc_sparc="$cross_cc_sparc64"}
1370: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1371: ${cross_cc_cflags_x86_64="-m64 -mcx16"}
1372
1373compute_target_variable() {
1374  eval "$2="
1375  if eval test -n "\"\${cross_prefix_$1}\""; then
1376    if eval has "\"\${cross_prefix_$1}\$3\""; then
1377      eval "$2=\"\${cross_prefix_$1}\$3\""
1378    fi
1379  fi
1380}
1381
1382have_target() {
1383  for i; do
1384    case " $target_list " in
1385      *" $i "*) return 0;;
1386      *) ;;
1387    esac
1388  done
1389  return 1
1390}
1391
1392# probe_target_compiler TARGET
1393#
1394# Look for a compiler for the given target, either native or cross.
1395# Set variables target_* if a compiler is found, and container_cross_*
1396# if a Docker-based cross-compiler image is known for the target.
1397# Set got_cross_cc to yes/no depending on whether a non-container-based
1398# compiler was found.
1399#
1400# If TARGET is a user-mode emulation target, also set build_static to
1401# "y" if static linking is possible.
1402#
1403probe_target_compiler() {
1404  # reset all output variables
1405  got_cross_cc=no
1406  container_image=
1407  container_hosts=
1408  container_cross_prefix=
1409  container_cross_cc=
1410  container_cross_ar=
1411  container_cross_as=
1412  container_cross_ld=
1413  container_cross_nm=
1414  container_cross_objcopy=
1415  container_cross_ranlib=
1416  container_cross_strip=
1417
1418  target_arch=${1%%-*}
1419  case $target_arch in
1420    aarch64) container_hosts="x86_64 aarch64" ;;
1421    aarch64_be) container_hosts="x86_64 aarch64" ;;
1422    alpha) container_hosts=x86_64 ;;
1423    arm) container_hosts="x86_64 aarch64" ;;
1424    hexagon) container_hosts=x86_64 ;;
1425    hppa) container_hosts=x86_64 ;;
1426    i386) container_hosts=x86_64 ;;
1427    loongarch64) container_hosts=x86_64 ;;
1428    m68k) container_hosts=x86_64 ;;
1429    microblaze) container_hosts=x86_64 ;;
1430    mips64el) container_hosts=x86_64 ;;
1431    mips64) container_hosts=x86_64 ;;
1432    mipsel) container_hosts=x86_64 ;;
1433    mips) container_hosts=x86_64 ;;
1434    ppc) container_hosts=x86_64 ;;
1435    ppc64|ppc64le) container_hosts=x86_64 ;;
1436    riscv64) container_hosts=x86_64 ;;
1437    s390x) container_hosts=x86_64 ;;
1438    sh4) container_hosts=x86_64 ;;
1439    sparc64) container_hosts=x86_64 ;;
1440    tricore) container_hosts=x86_64 ;;
1441    x86_64) container_hosts="aarch64 ppc64le x86_64" ;;
1442    xtensa*) container_hosts=x86_64 ;;
1443  esac
1444
1445  for host in $container_hosts; do
1446    test "$container" != no || continue
1447    test "$host" = "$cpu" || continue
1448    case $target_arch in
1449      # debian-all-test-cross architectures
1450
1451      aarch64_be)
1452        container_image=debian-all-test-cross
1453        container_cross_prefix=aarch64-linux-gnu-
1454        ;;
1455      hppa|m68k|mips|riscv64|sparc64)
1456        container_image=debian-all-test-cross
1457        ;;
1458      mips64)
1459        container_image=debian-all-test-cross
1460        container_cross_prefix=mips64-linux-gnuabi64-
1461        ;;
1462      ppc|ppc64|ppc64le)
1463        container_image=debian-all-test-cross
1464        container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1465        ;;
1466
1467      # debian-legacy-test-cross architectures (need Debian 11)
1468      # - libc6.1-dev-alpha-cross: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054412
1469      # - sh4-linux-user: binaries don't run with bookworm compiler
1470
1471      alpha|sh4)
1472        container_image=debian-legacy-test-cross
1473        ;;
1474
1475      # architectures with individual containers
1476
1477      aarch64)
1478        # We don't have any bigendian build tools so we only use this for AArch64
1479        container_image=debian-arm64-cross
1480        ;;
1481      arm)
1482        # We don't have any bigendian build tools so we only use this for ARM
1483        container_image=debian-armhf-cross
1484        container_cross_prefix=arm-linux-gnueabihf-
1485        ;;
1486      hexagon)
1487        container_cross_prefix=hexagon-unknown-linux-musl-
1488        container_cross_cc=${container_cross_prefix}clang
1489        ;;
1490      i386)
1491        container_image=debian-i686-cross
1492        container_cross_prefix=i686-linux-gnu-
1493        ;;
1494      loongarch64)
1495        container_image=debian-loongarch-cross
1496        container_cross_prefix=loongarch64-unknown-linux-gnu-
1497        ;;
1498      microblaze)
1499        container_cross_prefix=microblaze-linux-musl-
1500        ;;
1501      mips64el)
1502        container_image=debian-all-test-cross
1503        container_cross_prefix=mips64el-linux-gnuabi64-
1504        ;;
1505      tricore)
1506        container_image=debian-tricore-cross
1507        container_cross_prefix=tricore-
1508        ;;
1509      x86_64)
1510        container_image=debian-amd64-cross
1511        ;;
1512      xtensa*)
1513        container_image=debian-xtensa-cross
1514
1515        # default to the dc232b cpu
1516        container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1517        ;;
1518    esac
1519    # Debian and GNU architecture names usually match
1520    : ${container_image:=debian-$target_arch-cross}
1521    : ${container_cross_prefix:=$target_arch-linux-gnu-}
1522    : ${container_cross_cc:=${container_cross_prefix}gcc}
1523    : ${container_cross_ar:=${container_cross_prefix}ar}
1524    : ${container_cross_as:=${container_cross_prefix}as}
1525    : ${container_cross_ld:=${container_cross_prefix}ld}
1526    : ${container_cross_nm:=${container_cross_prefix}nm}
1527    : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1528    : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1529    : ${container_cross_strip:=${container_cross_prefix}strip}
1530  done
1531
1532  try=cross
1533  # For softmmu/roms also look for a bi-endian or multilib-enabled host compiler
1534  if [ "${1%softmmu}" != "$1" ] || test "$target_arch" = "$cpu"; then
1535      case "$target_arch:$cpu" in
1536        aarch64_be:aarch64 | \
1537        armeb:arm | \
1538        i386:x86_64 | \
1539        mips*:mips64 | \
1540        ppc*:ppc64 | \
1541        sparc:sparc64 | \
1542        "$cpu:$cpu")
1543        try='native cross' ;;
1544      esac
1545  fi
1546  eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1547  for thistry in $try; do
1548    case $thistry in
1549    native)
1550      target_cc=$cc
1551      target_ccas=$ccas
1552      target_ar=$ar
1553      target_as=$as
1554      target_ld=$ld
1555      target_nm=$nm
1556      target_objcopy=$objcopy
1557      target_ranlib=$ranlib
1558      target_strip=$strip
1559      ;;
1560    cross)
1561      target_cc=
1562      if eval test -n "\"\${cross_cc_$target_arch}\""; then
1563        if eval has "\"\${cross_cc_$target_arch}\""; then
1564          eval "target_cc=\"\${cross_cc_$target_arch}\""
1565        fi
1566      else
1567        compute_target_variable $target_arch target_cc gcc
1568      fi
1569      target_ccas=$target_cc
1570      compute_target_variable $target_arch target_ar ar
1571      compute_target_variable $target_arch target_as as
1572      compute_target_variable $target_arch target_ld ld
1573      compute_target_variable $target_arch target_nm nm
1574      compute_target_variable $target_arch target_objcopy objcopy
1575      compute_target_variable $target_arch target_ranlib ranlib
1576      compute_target_variable $target_arch target_strip strip
1577      ;;
1578    esac
1579
1580    if test -n "$target_cc"; then
1581      case $target_arch in
1582        i386|x86_64)
1583          if $target_cc --version | grep -qi "clang"; then
1584            continue
1585          fi
1586          ;;
1587      esac
1588    elif test -n "$target_as" && test -n "$target_ld"; then
1589      # Special handling for assembler only targets
1590      case $target in
1591        tricore-softmmu)
1592          build_static=
1593          got_cross_cc=yes
1594          break
1595          ;;
1596        *)
1597          continue
1598          ;;
1599      esac
1600    else
1601      continue
1602    fi
1603
1604    write_c_skeleton
1605    case $1 in
1606      *-softmmu)
1607        if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1608          do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1609          got_cross_cc=yes
1610          break
1611        fi
1612        ;;
1613      *)
1614        if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1615          build_static=y
1616          got_cross_cc=yes
1617          break
1618        fi
1619        if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1620          build_static=
1621          got_cross_cc=yes
1622          break
1623        fi
1624        ;;
1625    esac
1626  done
1627  if test $got_cross_cc != yes; then
1628    build_static=
1629    target_cc=
1630    target_ccas=
1631    target_ar=
1632    target_as=
1633    target_ld=
1634    target_nm=
1635    target_objcopy=
1636    target_ranlib=
1637    target_strip=
1638  fi
1639  test -n "$target_cc"
1640}
1641
1642write_target_makefile() {
1643  echo "EXTRA_CFLAGS=$target_cflags"
1644  if test -z "$target_cc" && test -z "$target_as"; then
1645    test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1646    echo "$1: docker-image-$container_image" >> Makefile.prereqs
1647    if test -n "$container_cross_cc"; then
1648      echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1649      echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1650    fi
1651    echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1652    echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1653    echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1654    echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1655    echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1656    echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1657    echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1658  else
1659    if test -n "$target_cc"; then
1660      echo "CC=$target_cc"
1661      echo "CCAS=$target_ccas"
1662    fi
1663    if test -n "$target_ar"; then
1664      echo "AR=$target_ar"
1665    fi
1666    if test -n "$target_as"; then
1667      echo "AS=$target_as"
1668    fi
1669    if test -n "$target_ld"; then
1670      echo "LD=$target_ld"
1671    fi
1672    if test -n "$target_nm"; then
1673      echo "NM=$target_nm"
1674    fi
1675    if test -n "$target_objcopy"; then
1676      echo "OBJCOPY=$target_objcopy"
1677    fi
1678    if test -n "$target_ranlib"; then
1679      echo "RANLIB=$target_ranlib"
1680    fi
1681    if test -n "$target_strip"; then
1682      echo "STRIP=$target_strip"
1683    fi
1684  fi
1685}
1686
1687#######################################
1688# cross-compiled firmware targets
1689
1690# Set up build tree symlinks that point back into the source tree
1691# (these can be both files and directories).
1692# Caution: avoid adding files or directories here using wildcards. This
1693# will result in problems later if a new file matching the wildcard is
1694# added to the source tree -- nothing will cause configure to be rerun
1695# so the build tree will be missing the link back to the new file, and
1696# tests might fail. Prefer to keep the relevant files in their own
1697# directory and symlink the directory instead.
1698LINKS="Makefile"
1699LINKS="$LINKS docs/config"
1700LINKS="$LINKS pc-bios/optionrom/Makefile"
1701LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1702LINKS="$LINKS pc-bios/vof/Makefile"
1703LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1704LINKS="$LINKS tests/avocado tests/data"
1705LINKS="$LINKS tests/qemu-iotests/check tests/qemu-iotests/Makefile"
1706LINKS="$LINKS python"
1707LINKS="$LINKS contrib/plugins/Makefile "
1708for f in $LINKS ; do
1709    if [ -e "$source_path/$f" ]; then
1710        symlink "$source_path/$f" "$f"
1711    fi
1712done
1713
1714# use included Linux headers for KVM architectures
1715if test "$host_os" = "linux" && test -n "$linux_arch"; then
1716  symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1717fi
1718
1719echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1720
1721# Mac OS X ships with a broken assembler
1722if have_target i386-softmmu x86_64-softmmu && \
1723        test "$host_os" != "darwin" && test "$host_os" != "sunos" && \
1724        test "$host_os" != "haiku" && \
1725        probe_target_compiler i386-softmmu; then
1726    subdirs="$subdirs pc-bios/optionrom"
1727    config_mak=pc-bios/optionrom/config.mak
1728    echo "# Automatically generated by configure - do not modify" > $config_mak
1729    echo "TOPSRC_DIR=$source_path" >> $config_mak
1730    write_target_makefile >> $config_mak
1731fi
1732
1733if have_target ppc-softmmu ppc64-softmmu && \
1734        probe_target_compiler ppc-softmmu; then
1735    subdirs="$subdirs pc-bios/vof"
1736    config_mak=pc-bios/vof/config.mak
1737    echo "# Automatically generated by configure - do not modify" > $config_mak
1738    echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1739    write_target_makefile >> $config_mak
1740fi
1741
1742# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1743# (which is the lowest architecture level that Clang supports)
1744if have_target s390x-softmmu && probe_target_compiler s390x-softmmu && \
1745    GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" roms/SLOF >> config.log 2>&1; then
1746  write_c_skeleton
1747  do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1748  has_z900=$?
1749  if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1750    if [ $has_z900 != 0 ]; then
1751      echo "WARNING: Your compiler does not support the z900!"
1752      echo "         The s390-ccw bios will only work with guest CPUs >= z10."
1753    fi
1754    subdirs="$subdirs pc-bios/s390-ccw"
1755    config_mak=pc-bios/s390-ccw/config-host.mak
1756    echo "# Automatically generated by configure - do not modify" > $config_mak
1757    echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1758    echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_mak
1759    write_target_makefile >> $config_mak
1760  fi
1761fi
1762
1763#######################################
1764# generate config-host.mak
1765
1766config_host_mak="config-host.mak"
1767
1768echo "# Automatically generated by configure - do not modify" > $config_host_mak
1769echo >> $config_host_mak
1770
1771echo all: >> $config_host_mak
1772
1773echo "SRC_PATH=$source_path" >> $config_host_mak
1774echo "TARGET_DIRS=$target_list" >> $config_host_mak
1775echo "GDB=$gdb_bin" >> $config_host_mak
1776if test "$container" != no; then
1777    echo "RUNC=$runc" >> $config_host_mak
1778fi
1779echo "SUBDIRS=$subdirs" >> $config_host_mak
1780if test "$rust" != disabled; then
1781  echo "RUST_TARGET_TRIPLE=$rust_target_triple" >> $config_host_mak
1782fi
1783echo "PYTHON=$python" >> $config_host_mak
1784echo "MKVENV_ENSUREGROUP=$mkvenv ensuregroup $mkvenv_online_flag" >> $config_host_mak
1785echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1786echo "MESON=$meson" >> $config_host_mak
1787echo "NINJA=$ninja" >> $config_host_mak
1788echo "EXESUF=$EXESUF" >> $config_host_mak
1789if test "$default_targets" = "yes"; then
1790  echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1791fi
1792
1793# contrib/plugins configuration
1794echo "# Automatically generated by configure - do not modify" > contrib/plugins/$config_host_mak
1795echo "SRC_PATH=$source_path/contrib/plugins" >> contrib/plugins/$config_host_mak
1796echo "PKG_CONFIG=${pkg_config}" >> contrib/plugins/$config_host_mak
1797echo "CC=$cc $CPU_CFLAGS" >> contrib/plugins/$config_host_mak
1798echo "CFLAGS=${CFLAGS-$default_cflags} $EXTRA_CFLAGS" >> contrib/plugins/$config_host_mak
1799if test "$host_os" = windows; then
1800  echo "DLLTOOL=$dlltool" >> contrib/plugins/$config_host_mak
1801fi
1802if test "$host_os" = darwin; then
1803  echo "CONFIG_DARWIN=y" >> contrib/plugins/$config_host_mak
1804fi
1805if test "$host_os" = windows; then
1806  echo "CONFIG_WIN32=y" >> contrib/plugins/$config_host_mak
1807fi
1808
1809# tests/tcg configuration
1810mkdir -p tests/tcg
1811echo "# Automatically generated by configure - do not modify" > tests/tcg/$config_host_mak
1812echo "SRC_PATH=$source_path" >> tests/tcg/$config_host_mak
1813if test "$plugins" = "yes" ; then
1814    echo "CONFIG_PLUGIN=y" >> tests/tcg/$config_host_mak
1815fi
1816
1817tcg_tests_targets=
1818for target in $target_list; do
1819  arch=${target%%-*}
1820
1821  case $target in
1822    xtensa*-linux-user)
1823      # the toolchain is not complete with headers, only build system tests
1824      continue
1825      ;;
1826    *-softmmu)
1827      test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1828      qemu="qemu-system-$arch"
1829      ;;
1830    *-linux-user|*-bsd-user)
1831      qemu="qemu-$arch"
1832      ;;
1833  esac
1834
1835  if probe_target_compiler $target || test -n "$container_image"; then
1836      test -n "$container_image" && build_static=y
1837      mkdir -p "tests/tcg/$target"
1838      config_target_mak=tests/tcg/$target/config-target.mak
1839      ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1840      echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1841      echo "TARGET_NAME=$arch" >> "$config_target_mak"
1842      echo "TARGET=$target" >> "$config_target_mak"
1843      write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1844      echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1845      echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1846
1847      # will GDB work with these binaries?
1848      if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1849          echo "GDB=$gdb_bin" >> $config_target_mak
1850      fi
1851
1852      if test "${gdb_arches#*aarch64}" != "$gdb_arches" && version_ge $gdb_version 15.1; then
1853          echo "GDB_HAS_MTE=y" >> $config_target_mak
1854      fi
1855
1856      if test "${gdb_arches#*aarch64}" != "$gdb_arches" && version_ge $gdb_version 16.0; then
1857          # GDB has to support MTE in baremetal to allow debugging MTE in QEMU system mode
1858          echo "GDB_SUPPORTS_MTE_IN_BAREMETAL=y" >> $config_target_mak
1859      fi
1860
1861      echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1862      tcg_tests_targets="$tcg_tests_targets $target"
1863  fi
1864done
1865
1866if test "$tcg" = "enabled"; then
1867    echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> $config_host_mak
1868fi
1869
1870if test "$skip_meson" = no; then
1871  cross="config-meson.cross.new"
1872  meson_quote() {
1873    test $# = 0 && return
1874    echo "'$(echo $* | sed "s/ /','/g")'"
1875  }
1876
1877  echo "# Automatically generated by configure - do not modify" > $cross
1878  echo "[properties]" >> $cross
1879
1880  # unroll any custom device configs
1881  for a in $device_archs; do
1882      eval "c=\$devices_${a}"
1883      echo "${a}-softmmu = '$c'" >> $cross
1884  done
1885
1886  echo "[built-in options]" >> $cross
1887  echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1888  echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1889  test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1890  echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1891  echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1892
1893  # Only enable by default for git builds and on select OSes
1894  echo "# environment defaults, can still be overridden on " >> $cross
1895  echo "# the command line" >> $cross
1896  if test -e "$source_path/.git" && \
1897      { test "$host_os" = linux || test "$host_os" = "windows"; }; then
1898      echo 'werror = true' >> $cross
1899  fi
1900  echo "[project options]" >> $cross
1901  if test "$SMBD" != ''; then
1902    echo "smbd = $(meson_quote "$SMBD")" >> $cross
1903  fi
1904  if test "${QEMU_GA_MANUFACTURER}" != ''; then
1905    echo "qemu_ga_manufacturer = $(meson_quote "${QEMU_GA_MANUFACTURER}")" >> $cross
1906  fi
1907  if test "${QEMU_GA_DISTRO}" != ''; then
1908    echo "qemu_ga_distro = $(meson_quote "${QEMU_GA_DISTRO}")" >> $cross
1909  fi
1910  if test "${QEMU_GA_VERSION}" != ''; then
1911    echo "qemu_ga_version = $(meson_quote "${QEMU_GA_VERSION}")" >> $cross
1912  fi
1913
1914  echo >> $cross
1915  echo "[binaries]" >> $cross
1916  echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1917  test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1918  test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1919  if test "$rust" != disabled; then
1920    if test "$rust_host_triple" != "$rust_target_triple"; then
1921      echo "rust = [$(meson_quote $rustc --target "$rust_target_triple")]" >> $cross
1922    else
1923      echo "rust = [$(meson_quote $rustc)]" >> $cross
1924    fi
1925  fi
1926  echo "ar = [$(meson_quote $ar)]" >> $cross
1927  echo "dlltool = [$(meson_quote $dlltool)]" >> $cross
1928  echo "nm = [$(meson_quote $nm)]" >> $cross
1929  echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1930  echo "pkg-config = [$(meson_quote $pkg_config)]" >> $cross
1931  echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1932  echo "readelf = [$(meson_quote $readelf)]" >> $cross
1933  if has $sdl2_config; then
1934    echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1935  fi
1936  echo "strip = [$(meson_quote $strip)]" >> $cross
1937  echo "widl = [$(meson_quote $widl)]" >> $cross
1938  echo "windres = [$(meson_quote $windres)]" >> $cross
1939  echo "windmc = [$(meson_quote $windmc)]" >> $cross
1940  if test "$cross_compile" = "yes"; then
1941    echo "[host_machine]" >> $cross
1942    echo "system = '$host_os'" >> $cross
1943    case "$cpu" in
1944        i386)
1945            echo "cpu_family = 'x86'" >> $cross
1946            ;;
1947        *)
1948            echo "cpu_family = '$cpu'" >> $cross
1949            ;;
1950    esac
1951    echo "cpu = '$cpu'" >> $cross
1952    if test "$bigendian" = "yes" ; then
1953        echo "endian = 'big'" >> $cross
1954    else
1955        echo "endian = 'little'" >> $cross
1956    fi
1957
1958    native="config-meson.native.new"
1959    echo "# Automatically generated by configure - do not modify" > $native
1960    echo "[binaries]" >> $native
1961    echo "c = [$(meson_quote $host_cc)]" >> $native
1962    if test "$rust" != disabled; then
1963      echo "rust = [$(meson_quote $rustc)]" >> $cross
1964    fi
1965    mv $native config-meson.native
1966    meson_option_add --native-file
1967    meson_option_add config-meson.native
1968  fi
1969  mv $cross config-meson.cross
1970  meson_add_machine_file config-meson.cross
1971  if test -f "$source_path/configs/meson/$host_os.txt"; then
1972    meson_add_machine_file $source_path/configs/meson/$host_os.txt
1973  fi
1974
1975  rm -rf meson-private meson-info meson-logs
1976
1977  test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload"
1978  test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1979  test "$static" = yes && meson_option_add -Dprefer_static=true
1980  test "$pie" = no && meson_option_add -Db_pie=false
1981
1982  # QEMU options
1983  test "$rust" != "disabled" && meson_option_add "-Drust=$rust"
1984  test "$cfi" != false && meson_option_add "-Dcfi=$cfi" "-Db_lto=$cfi"
1985  test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1986  test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1987  test "$plugins" = yes && meson_option_add "-Dplugins=true"
1988  test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1989  run_meson() {
1990    NINJA=$ninja $meson setup "$@" "$PWD" "$source_path"
1991  }
1992  eval run_meson $meson_options
1993  if test "$?" -ne 0 ; then
1994      error_exit "meson setup failed"
1995  fi
1996  echo "$meson" > build.ninja.stamp
1997else
1998  if test -f meson-private/cmd_line.txt; then
1999    # Adjust old command line options that were removed
2000    # sed -i is not portable
2001    perl -i -ne '
2002      /^sphinx_build/ && next;
2003      print;' meson-private/cmd_line.txt
2004  fi
2005fi
2006
2007# Save the configure command line for later reuse.
2008cat <<EOD >config.status
2009#!/bin/sh
2010# Generated by configure.
2011# Run this file to recreate the current configuration.
2012# Compiler output produced by configure, useful for debugging
2013# configure, is in config.log if it exists.
2014EOD
2015
2016preserve_env() {
2017    envname=$1
2018
2019    eval envval=\$$envname
2020
2021    if test -n "$envval"
2022    then
2023	echo "$envname='$envval'" >> config.status
2024	echo "export $envname" >> config.status
2025    else
2026	echo "unset $envname" >> config.status
2027    fi
2028}
2029
2030# Preserve various env variables that influence what
2031# features/build target configure will detect
2032preserve_env AR
2033preserve_env AS
2034preserve_env CC
2035preserve_env CFLAGS
2036preserve_env CXX
2037preserve_env CXXFLAGS
2038preserve_env DLLTOOL
2039preserve_env LD
2040preserve_env LDFLAGS
2041preserve_env LD_LIBRARY_PATH
2042preserve_env NM
2043preserve_env OBJCFLAGS
2044preserve_env OBJCOPY
2045preserve_env PATH
2046preserve_env PKG_CONFIG
2047preserve_env PKG_CONFIG_LIBDIR
2048preserve_env PKG_CONFIG_PATH
2049preserve_env PYTHON
2050preserve_env QEMU_GA_MANUFACTURER
2051preserve_env QEMU_GA_DISTRO
2052preserve_env QEMU_GA_VERSION
2053preserve_env SDL2_CONFIG
2054preserve_env SMBD
2055preserve_env STRIP
2056preserve_env WIDL
2057preserve_env WINDRES
2058preserve_env WINDMC
2059
2060printf "exec" >>config.status
2061for i in "$0" "$@"; do
2062  test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
2063done
2064echo ' "$@"' >>config.status
2065chmod +x config.status
2066
2067rm -r "$TMPDIR1"
2068
2069if test "$rust" != disabled; then
2070  echo
2071  echo 'INFO: Rust bindings generation with `bindgen` might fail in some cases where'
2072  echo 'the detected `libclang` does not match the expected `clang` version/target. In'
2073  echo 'this case you must pass the path to `clang` and `libclang` to your build'
2074  echo 'command invocation using the environment variables CLANG_PATH and LIBCLANG_PATH'
2075fi
2076