xref: /openbmc/qemu/configure (revision 2257f52a97f28ce3be4366817ea8817ad866562b)
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_PPC64 ; then
395  if check_define _LITTLE_ENDIAN ; then
396    cpu="ppc64le"
397  else
398    cpu="ppc64"
399  fi
400elif check_define __mips__ ; then
401  if check_define __mips64 ; then
402    cpu="mips64"
403  fi
404elif check_define __s390__ ; then
405  if check_define __s390x__ ; then
406    cpu="s390x"
407  else
408    cpu="s390"
409  fi
410elif check_define __riscv ; then
411  if check_define _LP64 ; then
412    cpu="riscv64"
413  else
414    cpu="riscv32"
415  fi
416elif check_define __arm__ ; then
417  cpu="arm"
418elif check_define __aarch64__ ; then
419  cpu="aarch64"
420elif check_define __loongarch64 ; then
421  cpu="loongarch64"
422else
423  # Using uname is really broken, but it is just a fallback for architectures
424  # that are going to use TCI anyway
425  cpu=$(uname -m)
426  if test "$host_os" != "bogus"; then
427    echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
428  fi
429fi
430
431# Normalise host CPU name to the values used by Meson cross files and in source
432# directories, and set multilib cflags.  The canonicalization isn't really
433# necessary, because the architectures that we check for should not hit the
434# 'uname -m' case, but better safe than sorry in case --cpu= is used.
435#
436# Note that this case should only have supported host CPUs, not guests.
437# Please keep it sorted and synchronized with meson.build's host_arch.
438host_arch=
439linux_arch=
440raw_cpu=$cpu
441case "$cpu" in
442  aarch64)
443    host_arch=aarch64
444    linux_arch=arm64
445    ;;
446
447  armv*b|armv*l|arm)
448    cpu=arm
449    host_arch=arm
450    ;;
451
452  i386|i486|i586|i686)
453    cpu="i386"
454    host_arch=i386
455    linux_arch=x86
456    CPU_CFLAGS="-m32"
457    ;;
458
459  loongarch*)
460    cpu=loongarch64
461    host_arch=loongarch64
462    linux_arch=loongarch
463    ;;
464
465  mips64*|mipsisa64*)
466    cpu=mips64
467    host_arch=mips
468    linux_arch=mips
469    ;;
470
471  ppc64)
472    host_arch=ppc64
473    linux_arch=powerpc
474    CPU_CFLAGS="-m64 -mbig-endian"
475    ;;
476  ppc64le)
477    cpu=ppc64
478    host_arch=ppc64
479    linux_arch=powerpc
480    CPU_CFLAGS="-m64 -mlittle-endian"
481    ;;
482
483  riscv32 | riscv64)
484    host_arch=riscv
485    linux_arch=riscv
486    ;;
487
488  s390)
489    linux_arch=s390
490    CPU_CFLAGS="-m31"
491    ;;
492  s390x)
493    host_arch=s390x
494    linux_arch=s390
495    CPU_CFLAGS="-m64"
496    ;;
497
498  sparc|sun4[cdmuv])
499    cpu=sparc
500    CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
501    ;;
502  sparc64)
503    host_arch=sparc64
504    CPU_CFLAGS="-m64 -mcpu=ultrasparc"
505    ;;
506
507  x32)
508    cpu="x86_64"
509    host_arch=x86_64
510    linux_arch=x86
511    CPU_CFLAGS="-mx32"
512    ;;
513  x86_64|amd64)
514    cpu="x86_64"
515    host_arch=x86_64
516    linux_arch=x86
517    CPU_CFLAGS="-m64"
518    ;;
519  wasm32)
520    CPU_CFLAGS="-m32"
521    ;;
522esac
523
524if test -n "$host_arch" && {
525    ! test -d "$source_path/linux-user/include/host/$host_arch" ||
526    ! test -d "$source_path/common-user/host/$host_arch"; }; then
527    error_exit "linux-user/include/host/$host_arch does not exist." \
528       "This is a bug in the configure script, please report it."
529fi
530if test -n "$linux_arch" && ! test -d "$source_path/linux-headers/asm-$linux_arch"; then
531    error_exit "linux-headers/asm-$linux_arch does not exist." \
532       "This is a bug in the configure script, please report it."
533fi
534
535check_py_version() {
536    # We require python >= 3.9.
537    # NB: a True python conditional creates a non-zero return code (Failure)
538    "$1" -c 'import sys; sys.exit(sys.version_info < (3,9))'
539}
540
541first_python=
542if test -z "${PYTHON}"; then
543    # A bare 'python' is traditionally python 2.x, but some distros
544    # have it as python 3.x, so check in both places.
545    for binary in python3 python python3.13 python3.12 python3.11 \
546                          python3.10 python3.9 ; do
547        if has "$binary"; then
548            python=$(command -v "$binary")
549            if check_py_version "$python"; then
550                # This one is good.
551                first_python=
552                break
553            else
554                first_python=$python
555            fi
556        fi
557    done
558else
559    # Same as above, but only check the environment variable.
560    has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
561    python=$(command -v "$PYTHON")
562    if check_py_version "$python"; then
563        # This one is good.
564        first_python=
565    else
566        first_python=$first_python
567    fi
568fi
569
570# Check for ancillary tools used in testing
571genisoimage=
572for binary in genisoimage mkisofs
573do
574    if has $binary
575    then
576        genisoimage=$(command -v "$binary")
577        break
578    fi
579done
580
581if test "$host_os" = "windows" ; then
582  EXESUF=".exe"
583fi
584
585meson_option_build_array() {
586  printf '['
587  (if test "$host_os" = windows; then
588    IFS=\;
589  else
590    IFS=:
591  fi
592  for e in $1; do
593    printf '"""'
594    # backslash escape any '\' and '"' characters
595    printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
596    printf '""",'
597  done)
598  printf ']\n'
599}
600
601. "$source_path/scripts/meson-buildoptions.sh"
602
603meson_options=
604meson_option_add() {
605  local arg
606  for arg; do
607    meson_options="$meson_options $(quote_sh "$arg")"
608  done
609}
610meson_option_parse() {
611  meson_options="$meson_options $(_meson_option_parse "$@")"
612  if test $? -eq 1; then
613    echo "ERROR: unknown option $1"
614    echo "Try '$0 --help' for more information"
615    exit 1
616  fi
617}
618has_meson_option() {
619    test "${meson_options#*"$1"}" != "$meson_options"
620}
621
622meson_add_machine_file() {
623  if test "$cross_compile" = "yes"; then
624    meson_option_add --cross-file "$1"
625  else
626    meson_option_add --native-file "$1"
627  fi
628}
629
630for opt do
631  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
632  case "$opt" in
633  --help|-h) show_help=yes
634  ;;
635  --version|-V) exec cat "$source_path/VERSION"
636  ;;
637  --cross-prefix=*)
638  ;;
639  --cc=*)
640  ;;
641  --host-cc=*) host_cc="$optarg"
642  ;;
643  --cxx=*)
644  ;;
645  --objcc=*)
646  ;;
647  --rustc=*)
648  ;;
649  --rustdoc=*)
650  ;;
651  --make=*)
652  ;;
653  --install=*)
654  ;;
655  --python=*) python="$optarg"
656  ;;
657  --skip-meson) skip_meson=yes
658  ;;
659  --ninja=*) ninja="$optarg"
660  ;;
661  --extra-cflags=*)
662  ;;
663  --extra-cxxflags=*)
664  ;;
665  --extra-objcflags=*)
666  ;;
667  --extra-ldflags=*)
668  ;;
669  --cross-cc-*)
670  ;;
671  --cross-prefix-*)
672  ;;
673  --enable-docs) docs=enabled
674  ;;
675  --disable-docs) docs=disabled
676  ;;
677  --cpu=*)
678  ;;
679  --target-list=*) target_list="$optarg"
680                   if test "$target_list_exclude"; then
681                       error_exit "Can't mix --target-list with --target-list-exclude"
682                   fi
683  ;;
684  --target-list-exclude=*) target_list_exclude="$optarg"
685                   if test "$target_list"; then
686                       error_exit "Can't mix --target-list-exclude with --target-list"
687                   fi
688  ;;
689  --with-default-devices) meson_option_add -Ddefault_devices=true
690  ;;
691  --without-default-devices) meson_option_add -Ddefault_devices=false
692  ;;
693  --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
694  ;;
695  --with-devices-*) device_arch=${opt#--with-devices-};
696                    device_arch=${device_arch%%=*}
697                    cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
698                    if test -f "$cf"; then
699                        device_archs="$device_archs $device_arch"
700                        eval "devices_${device_arch}=\$optarg"
701                    else
702                        error_exit "File $cf does not exist"
703                    fi
704  ;;
705  --without-default-features) # processed above
706  ;;
707  --static) static="yes"
708  ;;
709  --host=*|--build=*|\
710  --disable-dependency-tracking|\
711  --sbindir=*|--sharedstatedir=*|\
712  --oldincludedir=*|--datarootdir=*|--infodir=*|\
713  --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
714    # These switches are silently ignored, for compatibility with
715    # autoconf-generated configure scripts. This allows QEMU's
716    # configure to be used by RPM and similar macros that set
717    # lots of directory switches by default.
718  ;;
719  --enable-debug)
720      # Enable debugging options that aren't excessively noisy
721      meson_option_parse --enable-debug-tcg ""
722      meson_option_parse --enable-debug-graph-lock ""
723      meson_option_parse --enable-debug-mutex ""
724      meson_option_add -Doptimization=0
725      default_cflags='-O0 -g'
726  ;;
727  --disable-tcg) tcg="disabled"
728  ;;
729  --enable-tcg) tcg="enabled"
730  ;;
731  --disable-system) system="no"
732  ;;
733  --enable-system) system="yes"
734  ;;
735  --disable-user)
736      linux_user="no" ;
737      bsd_user="no" ;
738  ;;
739  --enable-user) ;;
740  --disable-linux-user) linux_user="no"
741  ;;
742  --enable-linux-user) linux_user="yes"
743  ;;
744  --disable-bsd-user) bsd_user="no"
745  ;;
746  --enable-bsd-user) bsd_user="yes"
747  ;;
748  --enable-pie) pie="yes"
749  ;;
750  --disable-pie) pie="no"
751  ;;
752  --enable-cfi) cfi=true
753  ;;
754  --disable-cfi) cfi=false
755  ;;
756  --disable-download) download="disabled"; git_submodules_action=validate;
757  ;;
758  --enable-download) download="enabled"; git_submodules_action=update;
759  ;;
760  --enable-plugins) plugins="yes"
761  ;;
762  --disable-plugins) plugins="no"
763  ;;
764  --enable-containers) use_containers="yes"
765  ;;
766  --disable-containers) use_containers="no"
767  ;;
768  --container-engine=*) container_engine="$optarg"
769  ;;
770  --rust-target-triple=*) rust_target_triple="$optarg"
771  ;;
772  --gdb=*) gdb_bin="$optarg"
773  ;;
774  --enable-rust) rust=enabled
775  ;;
776  --disable-rust) rust=disabled
777  ;;
778  # everything else has the same name in configure and meson
779  --*) meson_option_parse "$opt" "$optarg"
780  ;;
781  # Pass through -Dxxxx options to meson
782  -D*) meson_option_add "$opt"
783  ;;
784  esac
785done
786
787if ! test -e "$source_path/.git"
788then
789    git_submodules_action="validate"
790fi
791
792if ! test -f "$source_path/subprojects/keycodemapdb/README" \
793    && test "$download" = disabled
794then
795    echo
796    echo "ERROR: missing subprojects"
797    echo
798    if test -e "$source_path/.git"; then
799        echo "--disable-download specified but subprojects were not"
800        echo 'checked out.  Please invoke "meson subprojects download"'
801        echo "before configuring QEMU, or remove --disable-download"
802        echo "from the command line."
803    else
804        echo "This is not a GIT checkout but subproject content appears to"
805        echo "be missing. Do not use 'git archive' or GitHub download links"
806        echo "to acquire QEMU source archives. Non-GIT builds are only"
807        echo "supported with source archives linked from:"
808        echo
809        echo "  https://www.qemu.org/download/#source"
810        echo
811        echo "Developers working with GIT can use scripts/archive-source.sh"
812        echo "if they need to create valid source archives."
813    fi
814    echo
815    exit 1
816fi
817
818default_target_list=""
819mak_wilds=""
820
821if [ -n "$host_arch" ] && [ -d "$source_path/common-user/host/$host_arch" ]; then
822    if [ "$linux_user" != no ]; then
823        if [ "$host_os" = linux ]; then
824            linux_user=yes
825        elif [ "$linux_user" = yes ]; then
826            error_exit "linux-user not supported on this architecture"
827        fi
828        if [ "$linux_user" = "yes" ]; then
829            mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
830        fi
831    fi
832    if [ "$bsd_user" != no ]; then
833        if [ "$bsd_user" = "" ]; then
834            test $host_os = freebsd && bsd_user=yes
835        fi
836        if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$host_os" ]; then
837            error_exit "bsd-user not supported on this host OS"
838        fi
839        if [ "$bsd_user" = "yes" ]; then
840            mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
841        fi
842    fi
843else
844    if [ "$linux_user" = yes ] || [ "$bsd_user" = yes ]; then
845        error_exit "user mode emulation not supported on this architecture"
846    fi
847fi
848if [ "$system" = "yes" ]; then
849    mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
850fi
851
852for config in $mak_wilds; do
853    target="$(basename "$config" .mak)"
854    if echo "$target_list_exclude" | grep -vq "$target"; then
855        default_target_list="${default_target_list} $target"
856    fi
857done
858
859if test x"$show_help" = x"yes" ; then
860cat << EOF
861
862Usage: configure [options]
863Options: [defaults in brackets after descriptions]
864
865Standard options:
866  --help                   print this message
867  --target-list=LIST       set target list (default: build all)
868$(echo Available targets: $default_target_list | \
869  fold -s -w 53 | sed -e 's/^/                           /')
870  --target-list-exclude=LIST exclude a set of targets from the default target-list
871
872Advanced options (experts only):
873  -Dmesonoptname=val       passthrough option to meson unmodified
874  --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
875  --cc=CC                  use C compiler CC [$cc]
876  --host-cc=CC             when cross compiling, use C compiler CC for code run
877                           at build time [$host_cc]
878  --cxx=CXX                use C++ compiler CXX [$cxx]
879  --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
880  --rustc=RUSTC            use Rust compiler RUSTC [$rustc]
881  --rustdoc=RUSTDOC        use rustdoc binary RUSTDOC [$rustdoc]
882  --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
883  --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
884  --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
885  --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
886  --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
887  --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
888  --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
889  --python=PYTHON          use specified python [$python]
890  --ninja=NINJA            use specified ninja [$ninja]
891  --static                 enable static build [$static]
892  --rust-target-triple=TRIPLE  compilation target for Rust code [autodetect]
893  --without-default-features   default all --enable-* options to "disabled"
894  --without-default-devices    do not include any device that is not needed to
895                           start the emulator (only use if you are including
896                           desired devices in configs/devices/)
897  --with-devices-ARCH=NAME override default configs/devices
898  --enable-debug           enable common debug build options
899  --cpu=CPU                Build for host CPU [$cpu]
900  --disable-containers     don't use containers for cross-building
901  --container-engine=TYPE  which container engine to use [$container_engine]
902  --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
903EOF
904  meson_options_help
905cat << EOF
906  system          all system emulation targets
907  user            supported user emulation targets
908  linux-user      all linux usermode emulation targets
909  bsd-user        all BSD usermode emulation targets
910  pie             Position Independent Executables
911
912NOTE: The object files are built at the place where configure is launched
913EOF
914exit 0
915fi
916
917# Now that we are sure that the user did not only want to print the --help
918# information, we should double-check that the C compiler really works:
919write_c_skeleton
920if ! compile_object ; then
921    error_exit "C compiler \"$cc\" either does not exist or does not work."
922fi
923
924# Remove old dependency files to make sure that they get properly regenerated
925rm -f ./*/config-devices.mak.d
926
927if test -z "$python"
928then
929    # If first_python is set, there was a binary somewhere even though
930    # it was not suitable.  Use it for the error message.
931    if test -n "$first_python"; then
932        error_exit "Cannot use '$first_python', Python >= 3.9 is required." \
933            "Use --python=/path/to/python to specify a supported Python."
934    else
935        error_exit "Python not found. Use --python=/path/to/python"
936    fi
937fi
938
939if ! check_py_version "$python"; then
940  error_exit "Cannot use '$python', Python >= 3.9 is required." \
941             "Use --python=/path/to/python to specify a supported Python." \
942             "Maybe try:" \
943             "  openSUSE Leap 15.3+: zypper install python39" \
944             "  CentOS: dnf install python3.12"
945fi
946
947# Resolve PATH
948python="$(command -v "$python")"
949
950# Create a Python virtual environment using our configured python.
951# The stdout of this script will be the location of a symlink that
952# points to the configured Python.
953# Entry point scripts for pip, meson, and sphinx are generated if those
954# packages are present.
955
956# Defaults assumed for now:
957# - venv is cleared if it exists already;
958# - venv is allowed to use system packages;
959# - all setup can be performed offline;
960# - missing packages may be fetched from PyPI,
961#   unless --disable-download is passed.
962# - pip is not installed into the venv when possible,
963#   but ensurepip is called as a fallback when necessary.
964
965echo "python determined to be '$python'"
966echo "python version: $($python --version)"
967
968python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
969if test "$?" -ne 0 ; then
970    error_exit "python venv creation failed"
971fi
972
973# Suppress writing compiled files
974python="$python -B"
975mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
976
977# Finish preparing the virtual environment using vendored .whl files
978
979$mkvenv ensuregroup --dir "${source_path}/python/wheels" \
980     ${source_path}/pythondeps.toml meson || exit 1
981
982# At this point, we expect Meson to be installed and available.
983# We expect mkvenv or pip to have created pyvenv/bin/meson for us.
984# We ignore PATH completely here: we want to use the venv's Meson
985# *exclusively*.
986
987# for msys2
988get_pwd() {
989    if pwd -W >/dev/null 2>&1; then
990        pwd -W
991    else
992        pwd
993    fi
994}
995
996meson="$(cd pyvenv/bin; get_pwd)/meson"
997if [ -f "$meson$EXESUF" ]; then
998  meson="$meson$EXESUF"
999fi
1000
1001# Conditionally ensure Sphinx is installed.
1002
1003mkvenv_online_flag=""
1004if test "$download" = "enabled" ; then
1005    mkvenv_online_flag=" --online"
1006fi
1007
1008if test "$docs" != "disabled" ; then
1009    if ! $mkvenv ensuregroup \
1010         $(test "$docs" = "enabled" && echo "$mkvenv_online_flag") \
1011         ${source_path}/pythondeps.toml docs;
1012    then
1013        if test "$docs" = "enabled" ; then
1014            exit 1
1015        fi
1016        echo "Sphinx not found/usable, disabling docs."
1017        docs=disabled
1018    else
1019        docs=enabled
1020    fi
1021fi
1022
1023# Probe for ninja
1024
1025if test -z "$ninja"; then
1026    for c in ninja ninja-build samu; do
1027        if has $c; then
1028            ninja=$(command -v "$c")
1029            break
1030        fi
1031    done
1032    if test -z "$ninja"; then
1033      error_exit "Cannot find Ninja"
1034    fi
1035fi
1036
1037if test "$host_os" = "bogus"; then
1038    # Now that we know that we're not printing the help and that
1039    # the compiler works (so the results of the check_defines we used
1040    # to identify the OS are reliable), if we didn't recognize the
1041    # host OS we should stop now.
1042    error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1043fi
1044
1045# test for any invalid configuration combinations
1046if test "$host_os" = "windows" && ! has "$dlltool"; then
1047  if test "$plugins" = "yes"; then
1048    error_exit "TCG plugins requires dlltool to build on Windows platforms"
1049  fi
1050  plugins="no"
1051fi
1052if test "$tcg" = "disabled" ; then
1053  if test "$plugins" = "yes"; then
1054    error_exit "Can't enable plugins on non-TCG builds"
1055  fi
1056  plugins="no"
1057fi
1058if test "$static" = "yes" ; then
1059  if test "$plugins" = "yes"; then
1060    error_exit "static and plugins are mutually incompatible"
1061  fi
1062  plugins="no"
1063fi
1064if test "$plugins" != "no"; then
1065    if has_meson_option "-Dtcg_interpreter=true"; then
1066        plugins="no"
1067    else
1068        plugins=yes
1069    fi
1070fi
1071
1072cat > $TMPC << EOF
1073
1074#ifdef __linux__
1075#  define THREAD __thread
1076#else
1077#  define THREAD
1078#endif
1079static THREAD int tls_var;
1080int main(void) { return tls_var; }
1081EOF
1082
1083if test "$host_os" = windows || test "$host_os" = haiku; then
1084  if test "$pie" = "yes"; then
1085    error_exit "PIE not available due to missing OS support"
1086  fi
1087  pie=no
1088fi
1089
1090if test "$pie" != "no"; then
1091  if test "$static" = "yes"; then
1092    pie_ldflags=-static-pie
1093  else
1094    pie_ldflags=-pie
1095  fi
1096  if compile_prog "-Werror -fPIE -DPIE" "$pie_ldflags"; then
1097    pie="yes"
1098  elif test "$pie" = "yes"; then
1099    error_exit "-static-pie not available due to missing toolchain support"
1100  else
1101    echo "Disabling PIE due to missing toolchain support"
1102    pie="no"
1103  fi
1104fi
1105
1106##########################################
1107
1108if test -z "${target_list+xxx}" ; then
1109    default_targets=yes
1110    for target in $default_target_list; do
1111        target_list="$target_list $target"
1112    done
1113    target_list="${target_list# }"
1114else
1115    default_targets=no
1116    target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1117    for target in $target_list; do
1118        # Check that we recognised the target name; this allows a more
1119        # friendly error message than if we let it fall through.
1120        case " $default_target_list " in
1121            *" $target "*)
1122                ;;
1123            *)
1124                error_exit "Unknown target name '$target'"
1125                ;;
1126        esac
1127    done
1128fi
1129
1130if test "$tcg" = "auto"; then
1131  if test -z "$target_list"; then
1132    tcg="disabled"
1133  else
1134    tcg="enabled"
1135  fi
1136fi
1137
1138#########################################
1139# gdb test
1140
1141if test -n "$gdb_bin"; then
1142    gdb_version_string=$($gdb_bin --version | head -n 1)
1143    # Extract last field in the version string
1144    gdb_version=${gdb_version_string##* }
1145    if version_ge $gdb_version 9.1; then
1146        gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1147    else
1148        gdb_bin=""
1149    fi
1150fi
1151
1152##########################################
1153# big/little endian test
1154cat > $TMPC << EOF
1155#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1156# error LITTLE
1157#endif
1158int main(void) { return 0; }
1159EOF
1160
1161if ! compile_prog ; then
1162  bigendian="no"
1163else
1164  cat > $TMPC << EOF
1165#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1166# error BIG
1167#endif
1168int main(void) { return 0; }
1169EOF
1170
1171  if ! compile_prog ; then
1172    bigendian="yes"
1173  else
1174    echo big/little test failed
1175    exit 1
1176  fi
1177fi
1178
1179##########################################
1180# detect rust triple
1181
1182meson_version=$($meson --version)
1183if test "$rust" != disabled && ! version_ge "$meson_version" 1.9.0; then
1184  if test "$rust" = enabled; then
1185    $mkvenv ensuregroup --dir "${source_path}/python/wheels" \
1186         ${source_path}/pythondeps.toml meson-rust || exit 1
1187  else
1188    echo "Rust needs Meson 1.9.0, disabling" 2>&1
1189    rust=disabled
1190  fi
1191fi
1192if test "$rust" != disabled && has "$rustc" && $rustc -vV > "${TMPDIR1}/${TMPB}.out"; then
1193  rust_host_triple=$(sed -n 's/^host: //p' "${TMPDIR1}/${TMPB}.out")
1194else
1195  if test "$rust" = enabled; then
1196    error_exit "could not execute rustc binary \"$rustc\""
1197  fi
1198  rust=disabled
1199fi
1200if test "$rust" != disabled && test -z "$rust_target_triple"; then
1201  # arch and os generally matches between meson and rust
1202  rust_arch=$host_arch
1203  # default to host vendor
1204  rust_vendor=$(echo "$rust_host_triple" | cut -d'-' -f2)
1205  rust_os=$host_os
1206  rust_osvariant=
1207
1208  # tweak rust_os if needed; also, machine and variant depend on the OS
1209  android=no
1210  case "$host_os" in
1211  darwin)
1212    # e.g. aarch64-apple-darwin
1213    rust_vendor=apple
1214    ;;
1215
1216  linux)
1217    # detect android/glibc/musl
1218    if check_define __ANDROID__; then
1219      rust_osvariant=android
1220      android=yes
1221    else
1222      cat > $TMPC << EOF
1223#define _GNU_SOURCE
1224#include <features.h>
1225#ifndef __USE_GNU
1226error using musl
1227#endif
1228EOF
1229      if compile_object; then
1230        rust_osvariant=gnu
1231      else
1232        rust_osvariant=musl
1233      fi
1234    fi
1235
1236    case "$cpu" in
1237    arm)
1238      # e.g. arm-unknown-linux-gnueabi, arm-unknown-linux-gnueabihf
1239      write_c_skeleton
1240      compile_object
1241      if $READELF -A $TMPO | grep Tag_API_VFP_args: > /dev/null; then
1242        rust_osvariant=${rust_osvariant}eabihf
1243      else
1244        rust_osvariant=${rust_osvariant}eabi
1245      fi
1246      ;;
1247
1248    mips64)
1249      # e.g. mips64-unknown-linux-gnuabi64
1250      rust_osvariant=${rust_osvariant}abi64
1251      ;;
1252    esac
1253    ;;
1254
1255  netbsd)
1256    # e.g. arm-unknown-netbsd-eabihf
1257    test "$host_arch" = arm && rust_osvariant=eabihf
1258    ;;
1259
1260  sunos)
1261    rust_vendor=pc
1262    rust_os=solaris
1263    ;;
1264
1265  windows)
1266    # e.g. aarch64-pc-windows-gnullvm, x86_64-pc-windows-gnu (MSVC not supported)
1267    rust_vendor=pc
1268    if test "$host_arch" = aarch64; then
1269      rust_osvariant=gnullvm
1270    else
1271      rust_osvariant=gnu
1272    fi
1273    ;;
1274  esac
1275
1276  # now tweak the architecture part, possibly based on pre-canonicalization --cpu
1277  case "$host_arch" in
1278  arm)
1279    # preserve ISA version (armv7 etc.) from $raw_cpu if passed via --cpu
1280    rust_arch=$raw_cpu
1281    test "$rust_arch" = arm && test "$rust_os" != linux && rust_arch=armv7
1282    ;;
1283
1284  mips)
1285    # preserve ISA version (mipsisa64r6 etc.) and include endianness
1286    rust_arch=${raw_cpu%el}
1287    test "$bigendian" = no && rust_arch=${rust_arch}el
1288    ;;
1289
1290  riscv32|riscv64)
1291    # e.g. riscv64gc-unknown-linux-gnu, but riscv64-linux-android
1292    test "$android" = no && rust_arch=${rust_arch}gc
1293    ;;
1294
1295  sparc64)
1296    if test "$rust_os" = solaris; then
1297      rust_arch=sparcv9
1298      rust_vendor=sun
1299    fi
1300    ;;
1301
1302  x86_64)
1303    # e.g. x86_64-unknown-linux-gnux32
1304    test "$raw_cpu" = x32 && rust_osvariant=${rust_osvariant}x32
1305    ;;
1306  esac
1307
1308  if test "$android" = yes; then
1309    # e.g. aarch64-linux-android
1310    rust_target_triple=$rust_arch-$rust_os-$rust_osvariant
1311  else
1312    rust_target_triple=$rust_arch-$rust_vendor-$rust_os${rust_osvariant:+-$rust_osvariant}
1313  fi
1314fi
1315
1316##########################################
1317# functions to probe cross compilers
1318
1319container="no"
1320runc=""
1321if test $use_containers = "yes" && (has "docker" || has "podman"); then
1322    case $($python "$source_path"/tests/docker/docker.py --engine "$container_engine" probe) in
1323        *docker) container=docker ;;
1324        podman) container=podman ;;
1325        no) container=no ;;
1326    esac
1327    if test "$container" != "no"; then
1328        docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1329        runc=$container
1330    fi
1331fi
1332
1333# cross compilers defaults, can be overridden with --cross-cc-ARCH
1334: ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1335: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1336: ${cross_prefix_alpha="alpha-linux-gnu-"}
1337: ${cross_prefix_arm="arm-linux-gnueabihf-"}
1338: ${cross_prefix_armeb="$cross_prefix_arm"}
1339: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1340: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1341: ${cross_prefix_hppa="hppa-linux-gnu-"}
1342: ${cross_prefix_i386="i686-linux-gnu-"}
1343: ${cross_prefix_m68k="m68k-linux-gnu-"}
1344: ${cross_prefix_microblaze="microblaze-linux-musl-"}
1345: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1346: ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1347: ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1348: ${cross_prefix_mips="mips-linux-gnu-"}
1349: ${cross_prefix_ppc="powerpc-linux-gnu-"}
1350: ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1351: ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1352: ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1353: ${cross_prefix_s390x="s390x-linux-gnu-"}
1354: ${cross_prefix_sh4="sh4-linux-gnu-"}
1355: ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1356: ${cross_prefix_sparc="$cross_prefix_sparc64"}
1357: ${cross_prefix_tricore="tricore-"}
1358: ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1359
1360: ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1361: ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1362: ${cross_cc_armeb="$cross_cc_arm"}
1363: ${cross_cc_cflags_armeb="-mbig-endian"}
1364: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1365: ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1366: ${cross_cc_cflags_i386="-m32"}
1367: ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1368: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1369: ${cross_cc_ppc64le="$cross_cc_ppc64"}
1370: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1371: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1372: ${cross_cc_sparc="$cross_cc_sparc64"}
1373: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1374: ${cross_cc_cflags_x86_64="-m64 -mcx16"}
1375
1376compute_target_variable() {
1377  eval "$2="
1378  if eval test -n "\"\${cross_prefix_$1}\""; then
1379    if eval has "\"\${cross_prefix_$1}\$3\""; then
1380      eval "$2=\"\${cross_prefix_$1}\$3\""
1381    fi
1382  fi
1383}
1384
1385have_target() {
1386  for i; do
1387    case " $target_list " in
1388      *" $i "*) return 0;;
1389      *) ;;
1390    esac
1391  done
1392  return 1
1393}
1394
1395# probe_target_compiler TARGET
1396#
1397# Look for a compiler for the given target, either native or cross.
1398# Set variables target_* if a compiler is found, and container_cross_*
1399# if a Docker-based cross-compiler image is known for the target.
1400# Set got_cross_cc to yes/no depending on whether a non-container-based
1401# compiler was found.
1402#
1403# If TARGET is a user-mode emulation target, also set build_static to
1404# "y" if static linking is possible.
1405#
1406probe_target_compiler() {
1407  # reset all output variables
1408  got_cross_cc=no
1409  container_image=
1410  container_hosts=
1411  container_cross_prefix=
1412  container_cross_cc=
1413  container_cross_ar=
1414  container_cross_as=
1415  container_cross_ld=
1416  container_cross_nm=
1417  container_cross_objcopy=
1418  container_cross_ranlib=
1419  container_cross_strip=
1420
1421  target_arch=${1%%-*}
1422  case $target_arch in
1423    aarch64) container_hosts="x86_64 aarch64" ;;
1424    aarch64_be) container_hosts="x86_64 aarch64" ;;
1425    alpha) container_hosts=x86_64 ;;
1426    arm) container_hosts="x86_64 aarch64" ;;
1427    hexagon) container_hosts=x86_64 ;;
1428    hppa) container_hosts=x86_64 ;;
1429    i386) container_hosts=x86_64 ;;
1430    loongarch64) container_hosts=x86_64 ;;
1431    m68k) container_hosts=x86_64 ;;
1432    microblaze) container_hosts=x86_64 ;;
1433    mips64el) container_hosts=x86_64 ;;
1434    mips64) container_hosts=x86_64 ;;
1435    mipsel) container_hosts=x86_64 ;;
1436    mips) container_hosts=x86_64 ;;
1437    ppc) container_hosts=x86_64 ;;
1438    ppc64|ppc64le) container_hosts=x86_64 ;;
1439    riscv64) container_hosts=x86_64 ;;
1440    s390x) container_hosts=x86_64 ;;
1441    sh4) container_hosts=x86_64 ;;
1442    sparc64) container_hosts=x86_64 ;;
1443    tricore) container_hosts=x86_64 ;;
1444    x86_64) container_hosts="aarch64 ppc64le x86_64" ;;
1445    xtensa*) container_hosts=x86_64 ;;
1446  esac
1447
1448  for host in $container_hosts; do
1449    test "$container" != no || continue
1450    test "$host" = "$cpu" || continue
1451    case $target_arch in
1452      # debian-all-test-cross architectures
1453
1454      aarch64_be)
1455        container_image=debian-all-test-cross
1456        container_cross_prefix=aarch64-linux-gnu-
1457        ;;
1458      hppa|m68k|mips|riscv64|sparc64)
1459        container_image=debian-all-test-cross
1460        ;;
1461      mips64)
1462        container_image=debian-all-test-cross
1463        container_cross_prefix=mips64-linux-gnuabi64-
1464        ;;
1465      ppc64|ppc64le)
1466        container_image=debian-all-test-cross
1467        container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1468        ;;
1469
1470      # debian-legacy-test-cross architectures (need Debian 11)
1471      # - libc6.1-dev-alpha-cross: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054412
1472      # - sh4-linux-user: binaries don't run with bookworm compiler
1473
1474      alpha|sh4)
1475        container_image=debian-legacy-test-cross
1476        ;;
1477
1478      # architectures with individual containers
1479
1480      aarch64)
1481        # We don't have any bigendian build tools so we only use this for AArch64
1482        container_image=debian-arm64-cross
1483        ;;
1484      arm)
1485        # We don't have any bigendian build tools so we only use this for ARM
1486        container_image=debian-armhf-cross
1487        container_cross_prefix=arm-linux-gnueabihf-
1488        ;;
1489      hexagon)
1490        container_cross_prefix=hexagon-unknown-linux-musl-
1491        container_cross_cc=${container_cross_prefix}clang
1492        ;;
1493      i386)
1494        container_image=debian-i686-cross
1495        container_cross_prefix=i686-linux-gnu-
1496        ;;
1497      loongarch64)
1498        container_image=debian-loongarch-cross
1499        container_cross_prefix=loongarch64-unknown-linux-gnu-
1500        ;;
1501      microblaze)
1502        container_cross_prefix=microblaze-linux-musl-
1503        ;;
1504      mips64el)
1505        container_image=debian-all-test-cross
1506        container_cross_prefix=mips64el-linux-gnuabi64-
1507        ;;
1508      tricore)
1509        container_image=debian-tricore-cross
1510        container_cross_prefix=tricore-
1511        ;;
1512      x86_64)
1513        container_image=debian-amd64-cross
1514        ;;
1515      xtensa*)
1516        container_image=debian-xtensa-cross
1517
1518        # default to the dc232b cpu
1519        container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1520        ;;
1521    esac
1522    # Debian and GNU architecture names usually match
1523    : ${container_image:=debian-$target_arch-cross}
1524    : ${container_cross_prefix:=$target_arch-linux-gnu-}
1525    : ${container_cross_cc:=${container_cross_prefix}gcc}
1526    : ${container_cross_ar:=${container_cross_prefix}ar}
1527    : ${container_cross_as:=${container_cross_prefix}as}
1528    : ${container_cross_ld:=${container_cross_prefix}ld}
1529    : ${container_cross_nm:=${container_cross_prefix}nm}
1530    : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1531    : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1532    : ${container_cross_strip:=${container_cross_prefix}strip}
1533  done
1534
1535  try=cross
1536  # For softmmu/roms also look for a bi-endian or multilib-enabled host compiler
1537  if [ "${1%softmmu}" != "$1" ] || test "$target_arch" = "$cpu"; then
1538      case "$target_arch:$cpu" in
1539        aarch64_be:aarch64 | \
1540        armeb:arm | \
1541        i386:x86_64 | \
1542        mips*:mips64 | \
1543        ppc*:ppc64 | \
1544        sparc:sparc64 | \
1545        "$cpu:$cpu")
1546        try='native cross' ;;
1547      esac
1548  fi
1549  eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1550  for thistry in $try; do
1551    case $thistry in
1552    native)
1553      target_cc=$cc
1554      target_ccas=$ccas
1555      target_ar=$ar
1556      target_as=$as
1557      target_ld=$ld
1558      target_nm=$nm
1559      target_objcopy=$objcopy
1560      target_ranlib=$ranlib
1561      target_strip=$strip
1562      ;;
1563    cross)
1564      target_cc=
1565      if eval test -n "\"\${cross_cc_$target_arch}\""; then
1566        if eval has "\"\${cross_cc_$target_arch}\""; then
1567          eval "target_cc=\"\${cross_cc_$target_arch}\""
1568        fi
1569      else
1570        compute_target_variable $target_arch target_cc gcc
1571      fi
1572      target_ccas=$target_cc
1573      compute_target_variable $target_arch target_ar ar
1574      compute_target_variable $target_arch target_as as
1575      compute_target_variable $target_arch target_ld ld
1576      compute_target_variable $target_arch target_nm nm
1577      compute_target_variable $target_arch target_objcopy objcopy
1578      compute_target_variable $target_arch target_ranlib ranlib
1579      compute_target_variable $target_arch target_strip strip
1580      ;;
1581    esac
1582
1583    if test -n "$target_cc"; then
1584      case $target_arch in
1585        i386|x86_64)
1586          if $target_cc --version | grep -qi "clang"; then
1587            continue
1588          fi
1589          ;;
1590      esac
1591    elif test -n "$target_as" && test -n "$target_ld"; then
1592      # Special handling for assembler only targets
1593      case $target in
1594        tricore-softmmu)
1595          build_static=
1596          got_cross_cc=yes
1597          break
1598          ;;
1599        *)
1600          continue
1601          ;;
1602      esac
1603    else
1604      continue
1605    fi
1606
1607    write_c_skeleton
1608    case $1 in
1609      *-softmmu)
1610        if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1611          do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1612          got_cross_cc=yes
1613          break
1614        fi
1615        ;;
1616      *)
1617        if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1618          build_static=y
1619          got_cross_cc=yes
1620          break
1621        fi
1622        if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1623          build_static=
1624          got_cross_cc=yes
1625          break
1626        fi
1627        ;;
1628    esac
1629  done
1630  if test $got_cross_cc != yes; then
1631    build_static=
1632    target_cc=
1633    target_ccas=
1634    target_ar=
1635    target_as=
1636    target_ld=
1637    target_nm=
1638    target_objcopy=
1639    target_ranlib=
1640    target_strip=
1641  fi
1642  test -n "$target_cc"
1643}
1644
1645write_target_makefile() {
1646  echo "EXTRA_CFLAGS=$target_cflags"
1647  if test -z "$target_cc" && test -z "$target_as"; then
1648    test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1649    echo "$1: docker-image-$container_image" >> Makefile.prereqs
1650    if test -n "$container_cross_cc"; then
1651      echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1652      echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1653    fi
1654    echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1655    echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1656    echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1657    echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1658    echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1659    echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1660    echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1661  else
1662    if test -n "$target_cc"; then
1663      echo "CC=$target_cc"
1664      echo "CCAS=$target_ccas"
1665    fi
1666    if test -n "$target_ar"; then
1667      echo "AR=$target_ar"
1668    fi
1669    if test -n "$target_as"; then
1670      echo "AS=$target_as"
1671    fi
1672    if test -n "$target_ld"; then
1673      echo "LD=$target_ld"
1674    fi
1675    if test -n "$target_nm"; then
1676      echo "NM=$target_nm"
1677    fi
1678    if test -n "$target_objcopy"; then
1679      echo "OBJCOPY=$target_objcopy"
1680    fi
1681    if test -n "$target_ranlib"; then
1682      echo "RANLIB=$target_ranlib"
1683    fi
1684    if test -n "$target_strip"; then
1685      echo "STRIP=$target_strip"
1686    fi
1687  fi
1688}
1689
1690#######################################
1691# cross-compiled firmware targets
1692
1693# Set up build tree symlinks that point back into the source tree
1694# (these can be both files and directories).
1695# Caution: avoid adding files or directories here using wildcards. This
1696# will result in problems later if a new file matching the wildcard is
1697# added to the source tree -- nothing will cause configure to be rerun
1698# so the build tree will be missing the link back to the new file, and
1699# tests might fail. Prefer to keep the relevant files in their own
1700# directory and symlink the directory instead.
1701LINKS="Makefile"
1702LINKS="$LINKS docs/config"
1703LINKS="$LINKS pc-bios/optionrom/Makefile"
1704LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1705LINKS="$LINKS pc-bios/vof/Makefile"
1706LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1707LINKS="$LINKS tests/data"
1708LINKS="$LINKS tests/qemu-iotests/check tests/qemu-iotests/Makefile"
1709LINKS="$LINKS python"
1710for f in $LINKS ; do
1711    if [ -e "$source_path/$f" ]; then
1712        symlink "$source_path/$f" "$f"
1713    fi
1714done
1715
1716# use included Linux headers for KVM architectures
1717if test "$host_os" = "linux" && test -n "$linux_arch"; then
1718  symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1719fi
1720
1721echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1722
1723# Mac OS X ships with a broken assembler
1724if have_target i386-softmmu x86_64-softmmu && \
1725        test "$host_os" != "darwin" && test "$host_os" != "sunos" && \
1726        test "$host_os" != "haiku" && \
1727        probe_target_compiler i386-softmmu; then
1728    subdirs="$subdirs pc-bios/optionrom"
1729    config_mak=pc-bios/optionrom/config.mak
1730    echo "# Automatically generated by configure - do not modify" > $config_mak
1731    echo "TOPSRC_DIR=$source_path" >> $config_mak
1732    write_target_makefile >> $config_mak
1733fi
1734
1735if have_target ppc-softmmu ppc64-softmmu && \
1736        probe_target_compiler ppc-softmmu; then
1737    subdirs="$subdirs pc-bios/vof"
1738    config_mak=pc-bios/vof/config.mak
1739    echo "# Automatically generated by configure - do not modify" > $config_mak
1740    echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1741    write_target_makefile >> $config_mak
1742fi
1743
1744# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1745# (which is the lowest architecture level that Clang supports)
1746if have_target s390x-softmmu && probe_target_compiler s390x-softmmu && \
1747    GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" roms/SLOF >> config.log 2>&1; then
1748  write_c_skeleton
1749  do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1750  has_z900=$?
1751  if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1752    if [ $has_z900 != 0 ]; then
1753      echo "WARNING: Your compiler does not support the z900!"
1754      echo "         The s390-ccw bios will only work with guest CPUs >= z10."
1755    fi
1756    subdirs="$subdirs pc-bios/s390-ccw"
1757    config_mak=pc-bios/s390-ccw/config-host.mak
1758    echo "# Automatically generated by configure - do not modify" > $config_mak
1759    echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1760    echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_mak
1761    write_target_makefile >> $config_mak
1762  fi
1763fi
1764
1765#######################################
1766# generate config-host.mak
1767
1768config_host_mak="config-host.mak"
1769
1770echo "# Automatically generated by configure - do not modify" > $config_host_mak
1771echo >> $config_host_mak
1772
1773echo all: >> $config_host_mak
1774
1775echo "SRC_PATH=$source_path" >> $config_host_mak
1776echo "TARGET_DIRS=$target_list" >> $config_host_mak
1777echo "GDB=$gdb_bin" >> $config_host_mak
1778if test "$container" != no; then
1779    echo "RUNC=$runc" >> $config_host_mak
1780fi
1781echo "SUBDIRS=$subdirs" >> $config_host_mak
1782if test "$rust" != disabled; then
1783  echo "RUST_TARGET_TRIPLE=$rust_target_triple" >> $config_host_mak
1784fi
1785echo "PYTHON=$python" >> $config_host_mak
1786echo "MKVENV_ENSUREGROUP=$mkvenv ensuregroup $mkvenv_online_flag" >> $config_host_mak
1787echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1788echo "MESON=$meson" >> $config_host_mak
1789echo "NINJA=$ninja" >> $config_host_mak
1790echo "EXESUF=$EXESUF" >> $config_host_mak
1791if test "$default_targets" = "yes"; then
1792  echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1793fi
1794
1795# tests/tcg configuration
1796mkdir -p tests/tcg
1797echo "# Automatically generated by configure - do not modify" > tests/tcg/$config_host_mak
1798echo "SRC_PATH=$source_path" >> tests/tcg/$config_host_mak
1799if test "$plugins" = "yes" ; then
1800    echo "CONFIG_PLUGIN=y" >> tests/tcg/$config_host_mak
1801fi
1802echo "PYTHON=$python" >> tests/tcg/$config_host_mak
1803
1804tcg_tests_with_compilers=
1805for target in $target_list; do
1806  arch=${target%%-*}
1807
1808  case $target in
1809    xtensa*-linux-user)
1810      # the toolchain is not complete with headers, only build system tests
1811      continue
1812      ;;
1813    *-softmmu)
1814      test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1815      qemu="qemu-system-$arch"
1816      ;;
1817    *-linux-user|*-bsd-user)
1818      qemu="qemu-$arch"
1819      ;;
1820  esac
1821
1822  if probe_target_compiler $target || test -n "$container_image"; then
1823      test -n "$container_image" && build_static=y
1824      mkdir -p "tests/tcg/$target"
1825      config_target_mak=tests/tcg/$target/config-target.mak
1826      ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1827      echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1828      echo "TARGET_NAME=$arch" >> "$config_target_mak"
1829      echo "TARGET=$target" >> "$config_target_mak"
1830      write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1831      echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1832      echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1833
1834      # will GDB work with these binaries?
1835      if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1836          echo "GDB=$gdb_bin" >> $config_target_mak
1837      fi
1838
1839      if test "${gdb_arches#*$arch}" != "$gdb_arches" && version_ge $gdb_version 14.1; then
1840          echo "GDB_HAS_SME_TILES=y" >> $config_target_mak
1841      else
1842          echo "GDB_HAS_SME_TILES=n" >> $config_target_mak
1843      fi
1844
1845      if test "${gdb_arches#*aarch64}" != "$gdb_arches" && version_ge $gdb_version 15.1; then
1846          echo "GDB_HAS_MTE=y" >> $config_target_mak
1847      fi
1848
1849      if test "${gdb_arches#*aarch64}" != "$gdb_arches" && version_ge $gdb_version 16.0; then
1850          # GDB has to support MTE in baremetal to allow debugging MTE in QEMU system mode
1851          echo "GDB_SUPPORTS_MTE_IN_BAREMETAL=y" >> $config_target_mak
1852      fi
1853
1854      echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1855      tcg_tests_with_compilers="$tcg_tests_with_compilers $target"
1856  fi
1857done
1858
1859if test "$tcg" = "enabled"; then
1860    echo "TCG_TESTS_WITH_COMPILERS=$tcg_tests_with_compilers" >> $config_host_mak
1861fi
1862
1863if test "$skip_meson" = no; then
1864  cross="config-meson.cross.new"
1865  meson_quote() {
1866    test $# = 0 && return
1867    echo "'$(echo $* | sed "s/ /','/g")'"
1868  }
1869
1870  echo "# Automatically generated by configure - do not modify" > $cross
1871  echo "[properties]" >> $cross
1872
1873  # unroll any custom device configs
1874  for a in $device_archs; do
1875      eval "c=\$devices_${a}"
1876      echo "${a}-softmmu = '$c'" >> $cross
1877  done
1878  if test "$rust" != disabled; then
1879      if test "$cross_compile" = "yes"; then
1880          . "$source_path/scripts/rust-to-clang-target.sh"
1881          clang_target=$(rust_to_clang_target "$rust_target_triple")
1882          echo "bindgen_clang_arguments = [$(meson_quote --target="$clang_target")]" >> $cross
1883      fi
1884  fi
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")]" >> $cross
1922      echo "rustdoc = [$(meson_quote $rustdoc --target "$rust_target_triple")]" >> $cross
1923    else
1924      echo "rust = [$(meson_quote $rustc)]" >> $cross
1925      echo "rustdoc = [$(meson_quote $rustdoc)]" >> $cross
1926    fi
1927  fi
1928  echo "ar = [$(meson_quote $ar)]" >> $cross
1929  echo "dlltool = [$(meson_quote $dlltool)]" >> $cross
1930  echo "nm = [$(meson_quote $nm)]" >> $cross
1931  echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1932  echo "pkg-config = [$(meson_quote $pkg_config)]" >> $cross
1933  echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1934  echo "readelf = [$(meson_quote $readelf)]" >> $cross
1935  if has $sdl2_config; then
1936    echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1937  fi
1938  echo "strip = [$(meson_quote $strip)]" >> $cross
1939  echo "widl = [$(meson_quote $widl)]" >> $cross
1940  echo "windres = [$(meson_quote $windres)]" >> $cross
1941  echo "windmc = [$(meson_quote $windmc)]" >> $cross
1942  if test "$cross_compile" = "yes"; then
1943    echo "[host_machine]" >> $cross
1944    echo "system = '$host_os'" >> $cross
1945    case "$cpu" in
1946        i386)
1947            echo "cpu_family = 'x86'" >> $cross
1948            ;;
1949        *)
1950            echo "cpu_family = '$cpu'" >> $cross
1951            ;;
1952    esac
1953    echo "cpu = '$cpu'" >> $cross
1954    if test "$bigendian" = "yes" ; then
1955        echo "endian = 'big'" >> $cross
1956    else
1957        echo "endian = 'little'" >> $cross
1958    fi
1959
1960    native="config-meson.native.new"
1961    echo "# Automatically generated by configure - do not modify" > $native
1962    echo "[binaries]" >> $native
1963    echo "c = [$(meson_quote $host_cc)]" >> $native
1964    if test "$rust" != disabled; then
1965      echo "rust = [$(meson_quote $rustc)]" >> $native
1966    fi
1967    mv $native config-meson.native
1968    meson_option_add --native-file
1969    meson_option_add config-meson.native
1970  fi
1971  mv $cross config-meson.cross
1972  meson_add_machine_file config-meson.cross
1973  if test -f "$source_path/configs/meson/$host_os.txt"; then
1974    meson_add_machine_file $source_path/configs/meson/$host_os.txt
1975  fi
1976
1977  rm -rf meson-private meson-info meson-logs
1978
1979  test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload"
1980  test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1981  test "$static" = yes && meson_option_add -Dprefer_static=true
1982  test "$pie" = no && meson_option_add -Db_pie=false
1983
1984  # QEMU options
1985  test "$rust" != "disabled" && meson_option_add "-Drust=$rust"
1986  test "$cfi" != false && meson_option_add "-Dcfi=$cfi" "-Db_lto=$cfi"
1987  test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1988  test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1989  test "$plugins" = yes && meson_option_add "-Dplugins=true"
1990  test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1991  test -n "$gdb_bin" && meson_option_add "-Dgdb=$gdb_bin"
1992
1993  run_meson() {
1994    NINJA=$ninja $meson setup "$@" "$PWD" "$source_path"
1995  }
1996  eval run_meson $meson_options
1997  if test "$?" -ne 0 ; then
1998      error_exit "meson setup failed"
1999  fi
2000  echo "$meson" > build.ninja.stamp
2001else
2002  if test -f meson-private/cmd_line.txt; then
2003    # Adjust old command line options that were removed
2004    # sed -i is not portable
2005    perl -i -ne '
2006      /^sphinx_build/ && next;
2007      print;' meson-private/cmd_line.txt
2008  fi
2009fi
2010
2011# Save the configure command line for later reuse.
2012cat <<EOD >config.status
2013#!/bin/sh
2014# Generated by configure.
2015# Run this file to recreate the current configuration.
2016# Compiler output produced by configure, useful for debugging
2017# configure, is in config.log if it exists.
2018EOD
2019
2020preserve_env() {
2021    envname=$1
2022
2023    eval envval=\$$envname
2024
2025    if test -n "$envval"
2026    then
2027	echo "$envname='$envval'" >> config.status
2028	echo "export $envname" >> config.status
2029    else
2030	echo "unset $envname" >> config.status
2031    fi
2032}
2033
2034# Preserve various env variables that influence what
2035# features/build target configure will detect
2036preserve_env AR
2037preserve_env AS
2038preserve_env CC
2039preserve_env CFLAGS
2040preserve_env CXX
2041preserve_env CXXFLAGS
2042preserve_env DLLTOOL
2043preserve_env LD
2044preserve_env LDFLAGS
2045preserve_env LD_LIBRARY_PATH
2046preserve_env NM
2047preserve_env OBJCFLAGS
2048preserve_env OBJCOPY
2049preserve_env PATH
2050preserve_env PKG_CONFIG
2051preserve_env PKG_CONFIG_LIBDIR
2052preserve_env PKG_CONFIG_PATH
2053preserve_env PYTHON
2054preserve_env QEMU_GA_MANUFACTURER
2055preserve_env QEMU_GA_DISTRO
2056preserve_env QEMU_GA_VERSION
2057preserve_env SDL2_CONFIG
2058preserve_env SMBD
2059preserve_env STRIP
2060preserve_env WIDL
2061preserve_env WINDRES
2062preserve_env WINDMC
2063
2064printf "exec" >>config.status
2065for i in "$0" "$@"; do
2066  test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
2067done
2068echo ' "$@"' >>config.status
2069chmod +x config.status
2070
2071rm -r "$TMPDIR1"
2072
2073if test "$rust" != disabled; then
2074  echo
2075  echo 'INFO: Rust bindings generation with `bindgen` might fail in some cases where'
2076  echo 'the detected `libclang` does not match the expected `clang` version/target. In'
2077  echo 'this case you must pass the path to `clang` and `libclang` to your build'
2078  echo 'command invocation using the environment variables CLANG_PATH and LIBCLANG_PATH'
2079fi
2080