xref: /openbmc/qemu/configure (revision 50cfed80ecc01ea4300ed4b0ea5b567f381b9421)
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 $MARKER
34    then
35        echo "ERROR: Could not create ./build directory. Check the permissions on"
36        echo "your source directory, or try doing an out-of-tree build."
37        exit 1
38    fi
39
40    cat > GNUmakefile <<'EOF'
41# This file is auto-generated by configure to support in-source tree
42# 'make' command invocation
43
44ifeq ($(MAKECMDGOALS),)
45recurse: all
46endif
47
48.NOTPARALLEL: %
49%: force
50	@echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
51	@$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
52	@if test "$(MAKECMDGOALS)" = "distclean" && \
53	    test -e build/auto-created-by-configure ; \
54	then \
55	    rm -rf build GNUmakefile ; \
56	fi
57force: ;
58.PHONY: force
59GNUmakefile: ;
60
61EOF
62    cd build
63    exec "$source_path/configure" "$@"
64fi
65
66# Temporary directory used for files created while
67# configure runs. Since it is in the build directory
68# we can safely blow away any previous version of it
69# (and we need not jump through hoops to try to delete
70# it when configure exits.)
71TMPDIR1="config-temp"
72rm -rf "${TMPDIR1}"
73if ! mkdir -p "${TMPDIR1}"; then
74    echo "ERROR: failed to create temporary directory"
75    exit 1
76fi
77
78TMPB="qemu-conf"
79TMPC="${TMPDIR1}/${TMPB}.c"
80TMPO="${TMPDIR1}/${TMPB}.o"
81TMPE="${TMPDIR1}/${TMPB}.exe"
82
83rm -f config.log
84
85# Print a helpful header at the top of config.log
86echo "# QEMU configure log $(date)" >> config.log
87printf "# Configured with:" >> config.log
88# repeat the invocation to log and stdout for CI
89invoke=$(printf " '%s'" "$0" "$@")
90test -n "$GITLAB_CI" && echo "configuring with: $invoke"
91{ echo "$invoke"; echo; echo "#"; } >> config.log
92
93quote_sh() {
94    printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
95}
96
97print_error() {
98    (echo
99    echo "ERROR: $1"
100    while test -n "$2"; do
101        echo "       $2"
102        shift
103    done
104    echo) >&2
105}
106
107error_exit() {
108    print_error "$@"
109    exit 1
110}
111
112do_compiler() {
113  # Run the compiler, capturing its output to the log. First argument
114  # is compiler binary to execute.
115  compiler="$1"
116  shift
117  if test -n "$BASH_VERSION"; then eval '
118      echo >>config.log "
119funcs: ${FUNCNAME[*]}
120lines: ${BASH_LINENO[*]}"
121  '; fi
122  echo $compiler "$@" >> config.log
123  $compiler "$@" >> config.log 2>&1 || return $?
124}
125
126do_cc() {
127    do_compiler "$cc" $CPU_CFLAGS "$@"
128}
129
130compile_object() {
131  local_cflags="$1"
132  do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -c -o $TMPO $TMPC
133}
134
135compile_prog() {
136  local_cflags="$1"
137  local_ldflags="$2"
138  do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -o $TMPE $TMPC \
139      $LDFLAGS $EXTRA_LDFLAGS $local_ldflags
140}
141
142# symbolically link $1 to $2.  Portable version of "ln -sf".
143symlink() {
144  rm -rf "$2"
145  mkdir -p "$(dirname "$2")"
146  ln -s "$1" "$2"
147}
148
149# check whether a command is available to this shell (may be either an
150# executable or a builtin)
151has() {
152    type "$1" >/dev/null 2>&1
153}
154
155version_ge () {
156    local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
157    local_ver2=$(echo "$2" | tr . ' ')
158    while true; do
159        set x $local_ver1
160        local_first=${2-0}
161        # 'shift 2' if $2 is set, or 'shift' if $2 is not set
162        shift ${2:+2}
163        local_ver1=$*
164        set x $local_ver2
165        # the second argument finished, the first must be greater or equal
166        test $# = 1 && return 0
167        test $local_first -lt $2 && return 1
168        test $local_first -gt $2 && return 0
169        shift ${2:+2}
170        local_ver2=$*
171    done
172}
173
174if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
175then
176  error_exit "main directory cannot contain spaces nor colons"
177fi
178
179# parse CC options first; some compiler tests are used to establish
180# some defaults, based on the host environment
181
182# default parameters
183cpu=""
184cross_compile="no"
185cross_prefix=""
186host_cc="cc"
187EXTRA_CFLAGS=""
188EXTRA_CXXFLAGS=""
189EXTRA_OBJCFLAGS=""
190EXTRA_LDFLAGS=""
191
192# Default value for a variable defining feature "foo".
193#  * foo="no"  feature will only be used if --enable-foo arg is given
194#  * foo=""    feature will be searched for, and if found, will be used
195#              unless --disable-foo is given
196#  * foo="yes" this value will only be set by --enable-foo flag.
197#              feature will searched for,
198#              if not found, configure exits with error
199#
200# Always add --enable-foo and --disable-foo command line args.
201# Distributions want to ensure that several features are compiled in, and it
202# is impossible without a --enable-foo that exits if a feature is not found.
203default_feature=""
204
205for opt do
206  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
207  case "$opt" in
208  --cross-prefix=*) cross_prefix="$optarg"
209                    cross_compile="yes"
210  ;;
211  --cc=*) CC="$optarg"
212  ;;
213  --cxx=*) CXX="$optarg"
214  ;;
215  --objcc=*) objcc="$optarg"
216  ;;
217  --cpu=*) cpu="$optarg"
218  ;;
219  --extra-cflags=*)
220    EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
221    EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
222    EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
223    ;;
224  --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
225  ;;
226  --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
227  ;;
228  --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
229  ;;
230  --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
231  ;;
232  --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
233                      eval "cross_cc_cflags_${cc_arch}=\$optarg"
234  ;;
235  --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
236                eval "cross_cc_${cc_arch}=\$optarg"
237  ;;
238  --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
239  ;;
240  --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
241                    eval "cross_prefix_${cc_arch}=\$optarg"
242  ;;
243  --without-default-features) default_feature="no"
244  ;;
245  esac
246done
247
248
249if test -e "$source_path/.git"
250then
251    git_submodules_action="update"
252else
253    git_submodules_action="ignore"
254fi
255
256git_submodules="subprojects/keycodemapdb"
257git="git"
258debug_tcg="no"
259docs="auto"
260EXESUF=""
261prefix="/usr/local"
262qemu_suffix="qemu"
263softmmu="yes"
264linux_user=""
265bsd_user=""
266plugins="$default_feature"
267ninja=""
268python=
269pypi="enabled"
270bindir="bin"
271skip_meson=no
272vfio_user_server="disabled"
273use_containers="yes"
274gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
275gdb_arches=""
276werror=""
277
278# Don't accept a target_list environment variable.
279unset target_list
280unset target_list_exclude
281
282# The following Meson options are handled manually (still they
283# are included in the automatically generated help message)
284
285# 1. Track which submodules are needed
286fdt="auto"
287
288# 2. Automatically enable/disable other options
289tcg="auto"
290cfi="false"
291
292# 3. Need to check for -static-pie before Meson runs.  Also,
293# Meson has PIE as a boolean rather than enabled/disabled/auto.
294pie=""
295static="no"
296
297# Preferred compiler:
298#  ${CC} (if set)
299#  ${cross_prefix}gcc (if cross-prefix specified)
300#  system compiler
301if test -z "${CC}${cross_prefix}"; then
302  cc="$host_cc"
303else
304  cc="${CC-${cross_prefix}gcc}"
305fi
306
307if test -z "${CXX}${cross_prefix}"; then
308  cxx="c++"
309else
310  cxx="${CXX-${cross_prefix}g++}"
311fi
312
313# Preferred ObjC compiler:
314# $objcc (if set, i.e. via --objcc option)
315# ${cross_prefix}clang (if cross-prefix specified)
316# clang (if available)
317# $cc
318if test -z "${objcc}${cross_prefix}"; then
319  if has clang; then
320    objcc=clang
321  else
322    objcc="$cc"
323  fi
324else
325  objcc="${objcc-${cross_prefix}clang}"
326fi
327
328ar="${AR-${cross_prefix}ar}"
329as="${AS-${cross_prefix}as}"
330ccas="${CCAS-$cc}"
331objcopy="${OBJCOPY-${cross_prefix}objcopy}"
332ld="${LD-${cross_prefix}ld}"
333ranlib="${RANLIB-${cross_prefix}ranlib}"
334nm="${NM-${cross_prefix}nm}"
335smbd="$SMBD"
336strip="${STRIP-${cross_prefix}strip}"
337widl="${WIDL-${cross_prefix}widl}"
338windres="${WINDRES-${cross_prefix}windres}"
339windmc="${WINDMC-${cross_prefix}windmc}"
340pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}"
341sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
342
343check_define() {
344cat > $TMPC <<EOF
345#if !defined($1)
346#error $1 not defined
347#endif
348int main(void) { return 0; }
349EOF
350  compile_object
351}
352
353write_c_skeleton() {
354    cat > $TMPC <<EOF
355int main(void) { return 0; }
356EOF
357}
358
359if check_define __linux__ ; then
360  targetos=linux
361elif check_define _WIN32 ; then
362  targetos=windows
363elif check_define __OpenBSD__ ; then
364  targetos=openbsd
365elif check_define __sun__ ; then
366  targetos=sunos
367elif check_define __HAIKU__ ; then
368  targetos=haiku
369elif check_define __FreeBSD__ ; then
370  targetos=freebsd
371elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
372  targetos=gnu/kfreebsd
373elif check_define __DragonFly__ ; then
374  targetos=dragonfly
375elif check_define __NetBSD__; then
376  targetos=netbsd
377elif check_define __APPLE__; then
378  targetos=darwin
379else
380  # This is a fatal error, but don't report it yet, because we
381  # might be going to just print the --help text, or it might
382  # be the result of a missing compiler.
383  targetos=bogus
384fi
385
386# OS specific
387
388mingw32="no"
389bsd="no"
390linux="no"
391solaris="no"
392case $targetos in
393windows)
394  mingw32="yes"
395  plugins="no"
396  pie="no"
397;;
398gnu/kfreebsd)
399  bsd="yes"
400;;
401freebsd)
402  bsd="yes"
403  # needed for kinfo_getvmmap(3) in libutil.h
404;;
405dragonfly)
406  bsd="yes"
407;;
408netbsd)
409  bsd="yes"
410;;
411openbsd)
412  bsd="yes"
413;;
414darwin)
415  bsd="yes"
416  darwin="yes"
417;;
418sunos)
419  solaris="yes"
420;;
421haiku)
422  pie="no"
423;;
424linux)
425  linux="yes"
426;;
427esac
428
429if test ! -z "$cpu" ; then
430  # command line argument
431  :
432elif check_define __i386__ ; then
433  cpu="i386"
434elif check_define __x86_64__ ; then
435  if check_define __ILP32__ ; then
436    cpu="x32"
437  else
438    cpu="x86_64"
439  fi
440elif check_define __sparc__ ; then
441  if check_define __arch64__ ; then
442    cpu="sparc64"
443  else
444    cpu="sparc"
445  fi
446elif check_define _ARCH_PPC ; then
447  if check_define _ARCH_PPC64 ; then
448    if check_define _LITTLE_ENDIAN ; then
449      cpu="ppc64le"
450    else
451      cpu="ppc64"
452    fi
453  else
454    cpu="ppc"
455  fi
456elif check_define __mips__ ; then
457  cpu="mips"
458elif check_define __s390__ ; then
459  if check_define __s390x__ ; then
460    cpu="s390x"
461  else
462    cpu="s390"
463  fi
464elif check_define __riscv ; then
465  cpu="riscv"
466elif check_define __arm__ ; then
467  cpu="arm"
468elif check_define __aarch64__ ; then
469  cpu="aarch64"
470elif check_define __loongarch64 ; then
471  cpu="loongarch64"
472else
473  # Using uname is really broken, but it is just a fallback for architectures
474  # that are going to use TCI anyway
475  cpu=$(uname -m)
476  echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
477fi
478
479# Normalise host CPU name and set multilib cflags.  The canonicalization
480# isn't really necessary, because the architectures that we check for
481# should not hit the 'uname -m' case, but better safe than sorry.
482# Note that this case should only have supported host CPUs, not guests.
483case "$cpu" in
484  armv*b|armv*l|arm)
485    cpu="arm" ;;
486
487  i386|i486|i586|i686)
488    cpu="i386"
489    CPU_CFLAGS="-m32" ;;
490  x32)
491    cpu="x86_64"
492    CPU_CFLAGS="-mx32" ;;
493  x86_64|amd64)
494    cpu="x86_64"
495    # ??? Only extremely old AMD cpus do not have cmpxchg16b.
496    # If we truly care, we should simply detect this case at
497    # runtime and generate the fallback to serial emulation.
498    CPU_CFLAGS="-m64 -mcx16" ;;
499
500  mips*)
501    cpu="mips" ;;
502
503  ppc)
504    CPU_CFLAGS="-m32" ;;
505  ppc64)
506    CPU_CFLAGS="-m64 -mbig-endian" ;;
507  ppc64le)
508    cpu="ppc64"
509    CPU_CFLAGS="-m64 -mlittle-endian" ;;
510
511  s390)
512    CPU_CFLAGS="-m31" ;;
513  s390x)
514    CPU_CFLAGS="-m64" ;;
515
516  sparc|sun4[cdmuv])
517    cpu="sparc"
518    CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;;
519  sparc64)
520    CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;;
521esac
522
523check_py_version() {
524    # We require python >= 3.7.
525    # NB: a True python conditional creates a non-zero return code (Failure)
526    "$1" -c 'import sys; sys.exit(sys.version_info < (3,7))'
527}
528
529first_python=
530if test -z "${PYTHON}"; then
531    # A bare 'python' is traditionally python 2.x, but some distros
532    # have it as python 3.x, so check in both places.
533    for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7; do
534        if has "$binary"; then
535            python=$(command -v "$binary")
536            if check_py_version "$python"; then
537                # This one is good.
538                first_python=
539                break
540            else
541                first_python=$python
542            fi
543        fi
544    done
545else
546    # Same as above, but only check the environment variable.
547    has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
548    python=$(command -v "$PYTHON")
549    if check_py_version "$python"; then
550        # This one is good.
551        first_python=
552    else
553        first_python=$first_python
554    fi
555fi
556
557# Check for ancillary tools used in testing
558genisoimage=
559for binary in genisoimage mkisofs
560do
561    if has $binary
562    then
563        genisoimage=$(command -v "$binary")
564        break
565    fi
566done
567
568if test "$mingw32" = "yes" ; then
569  EXESUF=".exe"
570  prefix="/qemu"
571  bindir=""
572  qemu_suffix=""
573fi
574
575meson_option_build_array() {
576  printf '['
577  (if test "$targetos" = windows; then
578    IFS=\;
579  else
580    IFS=:
581  fi
582  for e in $1; do
583    printf '"""'
584    # backslash escape any '\' and '"' characters
585    printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
586    printf '""",'
587  done)
588  printf ']\n'
589}
590
591. "$source_path/scripts/meson-buildoptions.sh"
592
593meson_options=
594meson_option_add() {
595  meson_options="$meson_options $(quote_sh "$1")"
596}
597meson_option_parse() {
598  meson_options="$meson_options $(_meson_option_parse "$@")"
599  if test $? -eq 1; then
600    echo "ERROR: unknown option $1"
601    echo "Try '$0 --help' for more information"
602    exit 1
603  fi
604}
605
606for opt do
607  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
608  case "$opt" in
609  --help|-h) show_help=yes
610  ;;
611  --version|-V) exec cat "$source_path/VERSION"
612  ;;
613  --prefix=*) prefix="$optarg"
614  ;;
615  --cross-prefix=*)
616  ;;
617  --cc=*)
618  ;;
619  --host-cc=*) host_cc="$optarg"
620  ;;
621  --cxx=*)
622  ;;
623  --objcc=*)
624  ;;
625  --make=*)
626  ;;
627  --install=*)
628  ;;
629  --python=*) python="$optarg"
630  ;;
631  --skip-meson) skip_meson=yes
632  ;;
633  --ninja=*) ninja="$optarg"
634  ;;
635  --smbd=*) smbd="$optarg"
636  ;;
637  --extra-cflags=*)
638  ;;
639  --extra-cxxflags=*)
640  ;;
641  --extra-objcflags=*)
642  ;;
643  --extra-ldflags=*)
644  ;;
645  --cross-cc-*)
646  ;;
647  --cross-prefix-*)
648  ;;
649  --enable-docs) docs=enabled
650  ;;
651  --disable-docs) docs=disabled
652  ;;
653  --cpu=*)
654  ;;
655  --target-list=*) target_list="$optarg"
656                   if test "$target_list_exclude"; then
657                       error_exit "Can't mix --target-list with --target-list-exclude"
658                   fi
659  ;;
660  --target-list-exclude=*) target_list_exclude="$optarg"
661                   if test "$target_list"; then
662                       error_exit "Can't mix --target-list-exclude with --target-list"
663                   fi
664  ;;
665  --with-default-devices) meson_option_add -Ddefault_devices=true
666  ;;
667  --without-default-devices) meson_option_add -Ddefault_devices=false
668  ;;
669  --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
670  ;;
671  --with-devices-*) device_arch=${opt#--with-devices-};
672                    device_arch=${device_arch%%=*}
673                    cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
674                    if test -f "$cf"; then
675                        device_archs="$device_archs $device_arch"
676                        eval "devices_${device_arch}=\$optarg"
677                    else
678                        error_exit "File $cf does not exist"
679                    fi
680  ;;
681  --without-default-features) # processed above
682  ;;
683  --static) static="yes"
684  ;;
685  --bindir=*) bindir="$optarg"
686  ;;
687  --with-suffix=*) qemu_suffix="$optarg"
688  ;;
689  --host=*|--build=*|\
690  --disable-dependency-tracking|\
691  --sbindir=*|--sharedstatedir=*|\
692  --oldincludedir=*|--datarootdir=*|--infodir=*|\
693  --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
694    # These switches are silently ignored, for compatibility with
695    # autoconf-generated configure scripts. This allows QEMU's
696    # configure to be used by RPM and similar macros that set
697    # lots of directory switches by default.
698  ;;
699  --enable-debug-tcg) debug_tcg="yes"
700  ;;
701  --disable-debug-tcg) debug_tcg="no"
702  ;;
703  --enable-debug)
704      # Enable debugging options that aren't excessively noisy
705      debug_tcg="yes"
706      meson_option_parse --enable-debug-graph-lock ""
707      meson_option_parse --enable-debug-mutex ""
708      meson_option_add -Doptimization=0
709  ;;
710  --disable-tcg) tcg="disabled"
711                 plugins="no"
712  ;;
713  --enable-tcg) tcg="enabled"
714  ;;
715  --disable-system) softmmu="no"
716  ;;
717  --enable-system) softmmu="yes"
718  ;;
719  --disable-user)
720      linux_user="no" ;
721      bsd_user="no" ;
722  ;;
723  --enable-user) ;;
724  --disable-linux-user) linux_user="no"
725  ;;
726  --enable-linux-user) linux_user="yes"
727  ;;
728  --disable-bsd-user) bsd_user="no"
729  ;;
730  --enable-bsd-user) bsd_user="yes"
731  ;;
732  --enable-pie) pie="yes"
733  ;;
734  --disable-pie) pie="no"
735  ;;
736  --enable-werror) werror="yes"
737  ;;
738  --disable-werror) werror="no"
739  ;;
740  --enable-cfi)
741      cfi="true";
742      meson_option_add -Db_lto=true
743  ;;
744  --disable-cfi) cfi="false"
745  ;;
746  --disable-fdt) fdt="disabled"
747  ;;
748  --enable-fdt) fdt="enabled"
749  ;;
750  --enable-fdt=git) fdt="internal"
751  ;;
752  --enable-fdt=*) fdt="$optarg"
753  ;;
754  --with-git-submodules=*)
755      git_submodules_action="$optarg"
756  ;;
757  --disable-pypi) pypi="disabled"
758  ;;
759  --enable-pypi) pypi="enabled"
760  ;;
761  --enable-plugins) if test "$mingw32" = "yes"; then
762                        error_exit "TCG plugins not currently supported on Windows platforms"
763                    else
764                        plugins="yes"
765                    fi
766  ;;
767  --disable-plugins) plugins="no"
768  ;;
769  --enable-containers) use_containers="yes"
770  ;;
771  --disable-containers) use_containers="no"
772  ;;
773  --gdb=*) gdb_bin="$optarg"
774  ;;
775  --enable-vfio-user-server) vfio_user_server="enabled"
776  ;;
777  --disable-vfio-user-server) vfio_user_server="disabled"
778  ;;
779  # everything else has the same name in configure and meson
780  --*) meson_option_parse "$opt" "$optarg"
781  ;;
782  esac
783done
784
785# test for any invalid configuration combinations
786if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
787    error_exit "Can't enable plugins on non-TCG builds"
788fi
789
790case $git_submodules_action in
791    update|validate)
792        if test ! -e "$source_path/.git" || ! has git; then
793            echo "ERROR: cannot $git_submodules_action git submodules without .git"
794            exit 1
795        fi
796    ;;
797    ignore)
798        if ! test -f "$source_path/subprojects/keycodemapdb/README"
799        then
800            echo
801            echo "ERROR: missing GIT submodules"
802            echo
803            if test -e "$source_path/.git"; then
804                echo "--with-git-submodules=ignore specified but submodules were not"
805                echo "checked out.  Please initialize and update submodules."
806            else
807                echo "This is not a GIT checkout but module content appears to"
808                echo "be missing. Do not use 'git archive' or GitHub download links"
809                echo "to acquire QEMU source archives. Non-GIT builds are only"
810                echo "supported with source archives linked from:"
811                echo
812                echo "  https://www.qemu.org/download/#source"
813                echo
814                echo "Developers working with GIT can use scripts/archive-source.sh"
815                echo "if they need to create valid source archives."
816            fi
817            echo
818            exit 1
819        fi
820    ;;
821    *)
822        echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'"
823        exit 1
824    ;;
825esac
826
827default_target_list=""
828mak_wilds=""
829
830if [ "$linux_user" != no ]; then
831    if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then
832        linux_user=yes
833    elif [ "$linux_user" = yes ]; then
834        error_exit "linux-user not supported on this architecture"
835    fi
836fi
837if [ "$bsd_user" != no ]; then
838    if [ "$bsd_user" = "" ]; then
839        test $targetos = freebsd && bsd_user=yes
840    fi
841    if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
842        error_exit "bsd-user not supported on this host OS"
843    fi
844fi
845if [ "$softmmu" = "yes" ]; then
846    mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
847fi
848if [ "$linux_user" = "yes" ]; then
849    mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
850fi
851if [ "$bsd_user" = "yes" ]; then
852    mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
853fi
854
855for config in $mak_wilds; do
856    target="$(basename "$config" .mak)"
857    if echo "$target_list_exclude" | grep -vq "$target"; then
858        default_target_list="${default_target_list} $target"
859    fi
860done
861
862if test x"$show_help" = x"yes" ; then
863cat << EOF
864
865Usage: configure [options]
866Options: [defaults in brackets after descriptions]
867
868Standard options:
869  --help                   print this message
870  --prefix=PREFIX          install in PREFIX [$prefix]
871  --target-list=LIST       set target list (default: build all)
872$(echo Available targets: $default_target_list | \
873  fold -s -w 53 | sed -e 's/^/                           /')
874  --target-list-exclude=LIST exclude a set of targets from the default target-list
875
876Advanced options (experts only):
877  --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
878  --cc=CC                  use C compiler CC [$cc]
879  --host-cc=CC             use C compiler CC [$host_cc] for code run at
880                           build time
881  --cxx=CXX                use C++ compiler CXX [$cxx]
882  --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
883  --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
884  --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
885  --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
886  --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
887  --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
888  --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
889  --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
890  --python=PYTHON          use specified python [$python]
891  --ninja=NINJA            use specified ninja [$ninja]
892  --smbd=SMBD              use specified smbd [$smbd]
893  --with-git-submodules=update   update git submodules (default if .git dir exists)
894  --with-git-submodules=validate fail if git submodules are not up to date
895  --with-git-submodules=ignore   do not update or check git submodules (default if no .git dir)
896  --static                 enable static build [$static]
897  --bindir=PATH            install binaries in PATH
898  --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
899  --without-default-features default all --enable-* options to "disabled"
900  --without-default-devices  do not include any device that is not needed to
901                           start the emulator (only use if you are including
902                           desired devices in configs/devices/)
903  --with-devices-ARCH=NAME override default configs/devices
904  --enable-debug           enable common debug build options
905  --disable-werror         disable compilation abort on warning
906  --cpu=CPU                Build for host CPU [$cpu]
907  --enable-plugins
908                           enable plugins via shared library loading
909  --disable-containers     don't use containers for cross-building
910  --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
911EOF
912  meson_options_help
913cat << EOF
914  system          all system emulation targets
915  user            supported user emulation targets
916  linux-user      all linux usermode emulation targets
917  bsd-user        all BSD usermode emulation targets
918  pie             Position Independent Executables
919  debug-tcg       TCG debugging (default is disabled)
920
921NOTE: The object files are built at the place where configure is launched
922EOF
923exit 0
924fi
925
926# Remove old dependency files to make sure that they get properly regenerated
927rm -f ./*/config-devices.mak.d
928
929if test -z "$python"
930then
931    # If first_python is set, there was a binary somewhere even though
932    # it was not suitable.  Use it for the error message.
933    if test -n "$first_python"; then
934        error_exit "Cannot use '$first_python', Python >= 3.7 is required." \
935            "Use --python=/path/to/python to specify a supported Python."
936    else
937        error_exit "Python not found. Use --python=/path/to/python"
938    fi
939fi
940
941if ! check_py_version "$python"; then
942  error_exit "Cannot use '$python', Python >= 3.7 is required." \
943             "Use --python=/path/to/python to specify a supported Python." \
944             "Maybe try:" \
945             "  openSUSE Leap 15.3+: zypper install python39" \
946             "  CentOS 8: dnf install python38"
947fi
948
949# Resolve PATH
950python="$(command -v "$python")"
951
952# Create a Python virtual environment using our configured python.
953# The stdout of this script will be the location of a symlink that
954# points to the configured Python.
955# Entry point scripts for pip, meson, and sphinx are generated if those
956# packages are present.
957
958# Defaults assumed for now:
959# - venv is cleared if it exists already;
960# - venv is allowed to use system packages;
961# - all setup can be performed offline;
962# - missing packages may be fetched from PyPI,
963#   unless --disable-pypi is passed.
964# - pip is not installed into the venv when possible,
965#   but ensurepip is called as a fallback when necessary.
966
967echo "python determined to be '$python'"
968echo "python version: $($python --version)"
969
970python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
971if test "$?" -ne 0 ; then
972    error_exit "python venv creation failed"
973fi
974
975# Suppress writing compiled files
976python="$python -B"
977mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
978
979mkvenv_flags=""
980if test "$pypi" = "enabled" ; then
981    mkvenv_flags="--online"
982fi
983
984if ! $mkvenv ensure \
985     $mkvenv_flags \
986     --dir "${source_path}/python/wheels" \
987     --diagnose "meson" \
988     "meson>=0.63.0" ;
989then
990    exit 1
991fi
992
993# At this point, we expect Meson to be installed and available.
994# We expect mkvenv or pip to have created pyvenv/bin/meson for us.
995# We ignore PATH completely here: we want to use the venv's Meson
996# *exclusively*.
997
998meson="$(cd pyvenv/bin; pwd)/meson"
999
1000# Conditionally ensure Sphinx is installed.
1001
1002mkvenv_flags=""
1003if test "$pypi" = "enabled" -a "$docs" = "enabled" ; then
1004    mkvenv_flags="--online"
1005fi
1006
1007if test "$docs" != "disabled" ; then
1008    if ! $mkvenv ensure \
1009         $mkvenv_flags \
1010         --diagnose "sphinx-build" \
1011         "sphinx>=1.6.0" "sphinx-rtd-theme>=0.5.0";
1012    then
1013        if test "$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
1037# Consult white-list to determine whether to enable werror
1038# by default.  Only enable by default for git builds
1039if test -z "$werror" ; then
1040    if test "$git_submodules_action" != "ignore" && \
1041        { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1042        werror="yes"
1043    else
1044        werror="no"
1045    fi
1046fi
1047
1048if test "$targetos" = "bogus"; then
1049    # Now that we know that we're not printing the help and that
1050    # the compiler works (so the results of the check_defines we used
1051    # to identify the OS are reliable), if we didn't recognize the
1052    # host OS we should stop now.
1053    error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1054fi
1055
1056if test "$static" = "yes" ; then
1057  if test "$plugins" = "yes"; then
1058    error_exit "static and plugins are mutually incompatible"
1059  else
1060    plugins="no"
1061  fi
1062fi
1063test "$plugins" = "" && plugins=yes
1064
1065cat > $TMPC << EOF
1066
1067#ifdef __linux__
1068#  define THREAD __thread
1069#else
1070#  define THREAD
1071#endif
1072static THREAD int tls_var;
1073int main(void) { return tls_var; }
1074EOF
1075
1076if test "$static" = "yes"; then
1077  if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1078    pie="yes"
1079  elif test "$pie" = "yes"; then
1080    error_exit "-static-pie not available due to missing toolchain support"
1081  else
1082    pie="no"
1083  fi
1084elif test "$pie" != "no"; then
1085  if compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1086    pie="yes"
1087  elif test "$pie" = "yes"; then
1088    error_exit "PIE not available due to missing toolchain support"
1089  else
1090    echo "Disabling PIE due to missing toolchain support"
1091    pie="no"
1092  fi
1093fi
1094
1095##########################################
1096
1097if test -z "${target_list+xxx}" ; then
1098    default_targets=yes
1099    for target in $default_target_list; do
1100        target_list="$target_list $target"
1101    done
1102    target_list="${target_list# }"
1103else
1104    default_targets=no
1105    target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1106    for target in $target_list; do
1107        # Check that we recognised the target name; this allows a more
1108        # friendly error message than if we let it fall through.
1109        case " $default_target_list " in
1110            *" $target "*)
1111                ;;
1112            *)
1113                error_exit "Unknown target name '$target'"
1114                ;;
1115        esac
1116    done
1117fi
1118
1119# see if system emulation was really requested
1120case " $target_list " in
1121  *"-softmmu "*) softmmu=yes
1122  ;;
1123  *) softmmu=no
1124  ;;
1125esac
1126
1127if test "$tcg" = "auto"; then
1128  if test -z "$target_list"; then
1129    tcg="disabled"
1130  else
1131    tcg="enabled"
1132  fi
1133fi
1134
1135if test "$tcg" = "enabled"; then
1136    git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
1137    git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
1138fi
1139
1140##########################################
1141# big/little endian test
1142cat > $TMPC << EOF
1143#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1144# error LITTLE
1145#endif
1146int main(void) { return 0; }
1147EOF
1148
1149if ! compile_prog ; then
1150  bigendian="no"
1151else
1152  cat > $TMPC << EOF
1153#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1154# error BIG
1155#endif
1156int main(void) { return 0; }
1157EOF
1158
1159  if ! compile_prog ; then
1160    bigendian="yes"
1161  else
1162    echo big/little test failed
1163    exit 1
1164  fi
1165fi
1166
1167##########################################
1168# fdt probe
1169
1170case "$fdt" in
1171  auto | enabled | internal)
1172    # Simpler to always update submodule, even if not needed.
1173    git_submodules="${git_submodules} subprojects/dtc"
1174    ;;
1175esac
1176
1177########################################
1178# check if ccache is interfering with
1179# semantic analysis of macros
1180
1181unset CCACHE_CPP2
1182ccache_cpp2=no
1183cat > $TMPC << EOF
1184static const int Z = 1;
1185#define fn() ({ Z; })
1186#define TAUT(X) ((X) == Z)
1187#define PAREN(X, Y) (X == Y)
1188#define ID(X) (X)
1189int main(void)
1190{
1191    int x = 0, y = 0;
1192    x = ID(x);
1193    x = fn();
1194    fn();
1195    if (PAREN(x, y)) return 0;
1196    if (TAUT(Z)) return 0;
1197    return 0;
1198}
1199EOF
1200
1201if ! compile_object "-Werror"; then
1202    ccache_cpp2=yes
1203fi
1204
1205##########################################
1206# functions to probe cross compilers
1207
1208container="no"
1209runc=""
1210if test $use_containers = "yes" && (has "docker" || has "podman"); then
1211    case $($python "$source_path"/tests/docker/docker.py probe) in
1212        *docker) container=docker ;;
1213        podman) container=podman ;;
1214        no) container=no ;;
1215    esac
1216    if test "$container" != "no"; then
1217        docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1218        runc=$($python "$source_path"/tests/docker/docker.py probe)
1219    fi
1220fi
1221
1222# cross compilers defaults, can be overridden with --cross-cc-ARCH
1223: ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1224: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1225: ${cross_prefix_alpha="alpha-linux-gnu-"}
1226: ${cross_prefix_arm="arm-linux-gnueabihf-"}
1227: ${cross_prefix_armeb="$cross_prefix_arm"}
1228: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1229: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1230: ${cross_prefix_hppa="hppa-linux-gnu-"}
1231: ${cross_prefix_i386="i686-linux-gnu-"}
1232: ${cross_prefix_m68k="m68k-linux-gnu-"}
1233: ${cross_prefix_microblaze="microblaze-linux-musl-"}
1234: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1235: ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1236: ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1237: ${cross_prefix_mips="mips-linux-gnu-"}
1238: ${cross_prefix_nios2="nios2-linux-gnu-"}
1239: ${cross_prefix_ppc="powerpc-linux-gnu-"}
1240: ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1241: ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1242: ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1243: ${cross_prefix_s390x="s390x-linux-gnu-"}
1244: ${cross_prefix_sh4="sh4-linux-gnu-"}
1245: ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1246: ${cross_prefix_sparc="$cross_prefix_sparc64"}
1247: ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1248
1249: ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1250: ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1251: ${cross_cc_armeb="$cross_cc_arm"}
1252: ${cross_cc_cflags_armeb="-mbig-endian"}
1253: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1254: ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1255: ${cross_cc_cflags_i386="-m32"}
1256: ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1257: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1258: ${cross_cc_ppc64le="$cross_cc_ppc64"}
1259: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1260: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1261: ${cross_cc_sparc="$cross_cc_sparc64"}
1262: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1263: ${cross_cc_cflags_x86_64="-m64"}
1264
1265compute_target_variable() {
1266  eval "$2="
1267  if eval test -n "\"\${cross_prefix_$1}\""; then
1268    if eval has "\"\${cross_prefix_$1}\$3\""; then
1269      eval "$2=\"\${cross_prefix_$1}\$3\""
1270    fi
1271  fi
1272}
1273
1274have_target() {
1275  for i; do
1276    case " $target_list " in
1277      *" $i "*) return 0;;
1278      *) ;;
1279    esac
1280  done
1281  return 1
1282}
1283
1284# probe_target_compiler TARGET
1285#
1286# Look for a compiler for the given target, either native or cross.
1287# Set variables target_* if a compiler is found, and container_cross_*
1288# if a Docker-based cross-compiler image is known for the target.
1289# Set got_cross_cc to yes/no depending on whether a non-container-based
1290# compiler was found.
1291#
1292# If TARGET is a user-mode emulation target, also set build_static to
1293# "y" if static linking is possible.
1294#
1295probe_target_compiler() {
1296  # reset all output variables
1297  got_cross_cc=no
1298  container_image=
1299  container_hosts=
1300  container_cross_cc=
1301  container_cross_ar=
1302  container_cross_as=
1303  container_cross_ld=
1304  container_cross_nm=
1305  container_cross_objcopy=
1306  container_cross_ranlib=
1307  container_cross_strip=
1308
1309  target_arch=${1%%-*}
1310  case $target_arch in
1311    aarch64) container_hosts="x86_64 aarch64" ;;
1312    alpha) container_hosts=x86_64 ;;
1313    arm) container_hosts="x86_64 aarch64" ;;
1314    cris) container_hosts=x86_64 ;;
1315    hexagon) container_hosts=x86_64 ;;
1316    hppa) container_hosts=x86_64 ;;
1317    i386) container_hosts=x86_64 ;;
1318    loongarch64) container_hosts=x86_64 ;;
1319    m68k) container_hosts=x86_64 ;;
1320    microblaze) container_hosts=x86_64 ;;
1321    mips64el) container_hosts=x86_64 ;;
1322    mips64) container_hosts=x86_64 ;;
1323    mipsel) container_hosts=x86_64 ;;
1324    mips) container_hosts=x86_64 ;;
1325    nios2) container_hosts=x86_64 ;;
1326    ppc) container_hosts=x86_64 ;;
1327    ppc64|ppc64le) container_hosts=x86_64 ;;
1328    riscv64) container_hosts=x86_64 ;;
1329    s390x) container_hosts=x86_64 ;;
1330    sh4) container_hosts=x86_64 ;;
1331    sparc64) container_hosts=x86_64 ;;
1332    tricore) container_hosts=x86_64 ;;
1333    x86_64) container_hosts="aarch64 ppc64el x86_64" ;;
1334    xtensa*) container_hosts=x86_64 ;;
1335  esac
1336
1337  for host in $container_hosts; do
1338    test "$container" != no || continue
1339    test "$host" = "$cpu" || continue
1340    case $target_arch in
1341      aarch64)
1342        # We don't have any bigendian build tools so we only use this for AArch64
1343        container_image=debian-arm64-cross
1344        container_cross_prefix=aarch64-linux-gnu-
1345        container_cross_cc=${container_cross_prefix}gcc-10
1346        ;;
1347      alpha)
1348        container_image=debian-alpha-cross
1349        container_cross_prefix=alpha-linux-gnu-
1350        ;;
1351      arm)
1352        # We don't have any bigendian build tools so we only use this for ARM
1353        container_image=debian-armhf-cross
1354        container_cross_prefix=arm-linux-gnueabihf-
1355        ;;
1356      cris)
1357        container_image=fedora-cris-cross
1358        container_cross_prefix=cris-linux-gnu-
1359        ;;
1360      hexagon)
1361        container_image=debian-hexagon-cross
1362        container_cross_prefix=hexagon-unknown-linux-musl-
1363        container_cross_cc=${container_cross_prefix}clang
1364        ;;
1365      hppa)
1366        container_image=debian-hppa-cross
1367        container_cross_prefix=hppa-linux-gnu-
1368        ;;
1369      i386)
1370        container_image=fedora-i386-cross
1371        container_cross_prefix=
1372        ;;
1373      loongarch64)
1374        container_image=debian-loongarch-cross
1375        container_cross_prefix=loongarch64-unknown-linux-gnu-
1376        ;;
1377      m68k)
1378        container_image=debian-m68k-cross
1379        container_cross_prefix=m68k-linux-gnu-
1380        ;;
1381      microblaze)
1382        container_image=debian-microblaze-cross
1383        container_cross_prefix=microblaze-linux-musl-
1384        ;;
1385      mips64el)
1386        container_image=debian-mips64el-cross
1387        container_cross_prefix=mips64el-linux-gnuabi64-
1388        ;;
1389      mips64)
1390        container_image=debian-mips64-cross
1391        container_cross_prefix=mips64-linux-gnuabi64-
1392        ;;
1393      mipsel)
1394        container_image=debian-mipsel-cross
1395        container_cross_prefix=mipsel-linux-gnu-
1396        ;;
1397      mips)
1398        container_image=debian-mips-cross
1399        container_cross_prefix=mips-linux-gnu-
1400        ;;
1401      nios2)
1402        container_image=debian-nios2-cross
1403        container_cross_prefix=nios2-linux-gnu-
1404        ;;
1405      ppc)
1406        container_image=debian-powerpc-test-cross
1407        container_cross_prefix=powerpc-linux-gnu-
1408        container_cross_cc=${container_cross_prefix}gcc-10
1409        ;;
1410      ppc64|ppc64le)
1411        container_image=debian-powerpc-test-cross
1412        container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1413        container_cross_cc=${container_cross_prefix}gcc-10
1414        ;;
1415      riscv64)
1416        container_image=debian-riscv64-test-cross
1417        container_cross_prefix=riscv64-linux-gnu-
1418        ;;
1419      s390x)
1420        container_image=debian-s390x-cross
1421        container_cross_prefix=s390x-linux-gnu-
1422        ;;
1423      sh4)
1424        container_image=debian-sh4-cross
1425        container_cross_prefix=sh4-linux-gnu-
1426        ;;
1427      sparc64)
1428        container_image=debian-sparc64-cross
1429        container_cross_prefix=sparc64-linux-gnu-
1430        ;;
1431      tricore)
1432        container_image=debian-tricore-cross
1433        container_cross_prefix=tricore-
1434        container_cross_as=tricore-as
1435        container_cross_ld=tricore-ld
1436        break
1437        ;;
1438      x86_64)
1439        container_image=debian-amd64-cross
1440        container_cross_prefix=x86_64-linux-gnu-
1441        ;;
1442      xtensa*)
1443        container_hosts=x86_64
1444        container_image=debian-xtensa-cross
1445
1446        # default to the dc232b cpu
1447        container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1448        ;;
1449    esac
1450    : ${container_cross_cc:=${container_cross_prefix}gcc}
1451    : ${container_cross_ar:=${container_cross_prefix}ar}
1452    : ${container_cross_as:=${container_cross_prefix}as}
1453    : ${container_cross_ld:=${container_cross_prefix}ld}
1454    : ${container_cross_nm:=${container_cross_prefix}nm}
1455    : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1456    : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1457    : ${container_cross_strip:=${container_cross_prefix}strip}
1458  done
1459
1460  try=cross
1461  case "$target_arch:$cpu" in
1462    aarch64_be:aarch64 | \
1463    armeb:arm | \
1464    i386:x86_64 | \
1465    mips*:mips64 | \
1466    ppc*:ppc64 | \
1467    sparc:sparc64 | \
1468    "$cpu:$cpu")
1469      try='native cross' ;;
1470  esac
1471  eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1472  for thistry in $try; do
1473    case $thistry in
1474    native)
1475      target_cc=$cc
1476      target_ccas=$ccas
1477      target_ar=$ar
1478      target_as=$as
1479      target_ld=$ld
1480      target_nm=$nm
1481      target_objcopy=$objcopy
1482      target_ranlib=$ranlib
1483      target_strip=$strip
1484      ;;
1485    cross)
1486      target_cc=
1487      if eval test -n "\"\${cross_cc_$target_arch}\""; then
1488        if eval has "\"\${cross_cc_$target_arch}\""; then
1489          eval "target_cc=\"\${cross_cc_$target_arch}\""
1490        fi
1491      else
1492        compute_target_variable $target_arch target_cc gcc
1493      fi
1494      target_ccas=$target_cc
1495      compute_target_variable $target_arch target_ar ar
1496      compute_target_variable $target_arch target_as as
1497      compute_target_variable $target_arch target_ld ld
1498      compute_target_variable $target_arch target_nm nm
1499      compute_target_variable $target_arch target_objcopy objcopy
1500      compute_target_variable $target_arch target_ranlib ranlib
1501      compute_target_variable $target_arch target_strip strip
1502      ;;
1503    esac
1504
1505    if test -n "$target_cc"; then
1506      case $target_arch in
1507        i386|x86_64)
1508          if $target_cc --version | grep -qi "clang"; then
1509            continue
1510          fi
1511          ;;
1512      esac
1513    elif test -n "$target_as" && test -n "$target_ld"; then
1514      # Special handling for assembler only targets
1515      case $target in
1516        tricore-softmmu)
1517          build_static=
1518          got_cross_cc=yes
1519          break
1520          ;;
1521        *)
1522          continue
1523          ;;
1524      esac
1525    else
1526      continue
1527    fi
1528
1529    write_c_skeleton
1530    case $1 in
1531      *-softmmu)
1532        if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1533          do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1534          got_cross_cc=yes
1535          break
1536        fi
1537        ;;
1538      *)
1539        if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1540          build_static=y
1541          got_cross_cc=yes
1542          break
1543        fi
1544        if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1545          build_static=
1546          got_cross_cc=yes
1547          break
1548        fi
1549        ;;
1550    esac
1551  done
1552  if test $got_cross_cc != yes; then
1553    build_static=
1554    target_cc=
1555    target_ccas=
1556    target_ar=
1557    target_as=
1558    target_ld=
1559    target_nm=
1560    target_objcopy=
1561    target_ranlib=
1562    target_strip=
1563  fi
1564  test -n "$target_cc"
1565}
1566
1567write_target_makefile() {
1568  echo "EXTRA_CFLAGS=$target_cflags"
1569  if test -z "$target_cc" && test -z "$target_as"; then
1570    test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1571    echo "$1: docker-image-$container_image" >> Makefile.prereqs
1572    if test -n "$container_cross_cc"; then
1573      echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1574      echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1575    fi
1576    echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1577    echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1578    echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1579    echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1580    echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1581    echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1582    echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1583  else
1584    if test -n "$target_cc"; then
1585      echo "CC=$target_cc"
1586      echo "CCAS=$target_ccas"
1587    fi
1588    if test -n "$target_ar"; then
1589      echo "AR=$target_ar"
1590    fi
1591    if test -n "$target_as"; then
1592      echo "AS=$target_as"
1593    fi
1594    if test -n "$target_ld"; then
1595      echo "LD=$target_ld"
1596    fi
1597    if test -n "$target_nm"; then
1598      echo "NM=$target_nm"
1599    fi
1600    if test -n "$target_objcopy"; then
1601      echo "OBJCOPY=$target_objcopy"
1602    fi
1603    if test -n "$target_ranlib"; then
1604      echo "RANLIB=$target_ranlib"
1605    fi
1606    if test -n "$target_strip"; then
1607      echo "STRIP=$target_strip"
1608    fi
1609  fi
1610}
1611
1612##########################################
1613# check for vfio_user_server
1614
1615case "$vfio_user_server" in
1616  enabled )
1617    if test "$git_submodules_action" != "ignore"; then
1618      git_submodules="${git_submodules} subprojects/libvfio-user"
1619    fi
1620    ;;
1621esac
1622
1623#######################################
1624# cross-compiled firmware targets
1625
1626# Set up build tree symlinks that point back into the source tree
1627# (these can be both files and directories).
1628# Caution: avoid adding files or directories here using wildcards. This
1629# will result in problems later if a new file matching the wildcard is
1630# added to the source tree -- nothing will cause configure to be rerun
1631# so the build tree will be missing the link back to the new file, and
1632# tests might fail. Prefer to keep the relevant files in their own
1633# directory and symlink the directory instead.
1634LINKS="Makefile"
1635LINKS="$LINKS docs/config"
1636LINKS="$LINKS pc-bios/optionrom/Makefile"
1637LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1638LINKS="$LINKS pc-bios/vof/Makefile"
1639LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1640LINKS="$LINKS tests/avocado tests/data"
1641LINKS="$LINKS tests/qemu-iotests/check"
1642LINKS="$LINKS python"
1643LINKS="$LINKS contrib/plugins/Makefile "
1644for f in $LINKS ; do
1645    if [ -e "$source_path/$f" ]; then
1646        symlink "$source_path/$f" "$f"
1647    fi
1648done
1649
1650echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1651
1652# Mac OS X ships with a broken assembler
1653roms=
1654if have_target i386-softmmu x86_64-softmmu && \
1655        test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
1656        test "$targetos" != "haiku" && \
1657        probe_target_compiler i386-softmmu; then
1658    roms="pc-bios/optionrom"
1659    config_mak=pc-bios/optionrom/config.mak
1660    echo "# Automatically generated by configure - do not modify" > $config_mak
1661    echo "TOPSRC_DIR=$source_path" >> $config_mak
1662    write_target_makefile >> $config_mak
1663fi
1664
1665if have_target ppc-softmmu ppc64-softmmu && \
1666        probe_target_compiler ppc-softmmu; then
1667    roms="$roms pc-bios/vof"
1668    config_mak=pc-bios/vof/config.mak
1669    echo "# Automatically generated by configure - do not modify" > $config_mak
1670    echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1671    write_target_makefile >> $config_mak
1672fi
1673
1674# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1675# (which is the lowest architecture level that Clang supports)
1676if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then
1677  write_c_skeleton
1678  do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1679  has_z900=$?
1680  if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1681    if [ $has_z900 != 0 ]; then
1682      echo "WARNING: Your compiler does not support the z900!"
1683      echo "         The s390-ccw bios will only work with guest CPUs >= z10."
1684    fi
1685    roms="$roms pc-bios/s390-ccw"
1686    config_mak=pc-bios/s390-ccw/config-host.mak
1687    echo "# Automatically generated by configure - do not modify" > $config_mak
1688    echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1689    write_target_makefile >> $config_mak
1690    # SLOF is required for building the s390-ccw firmware on s390x,
1691    # since it is using the libnet code from SLOF for network booting.
1692    git_submodules="${git_submodules} roms/SLOF"
1693  fi
1694fi
1695
1696#######################################
1697# generate config-host.mak
1698
1699if ! (GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then
1700    exit 1
1701fi
1702
1703config_host_mak="config-host.mak"
1704
1705echo "# Automatically generated by configure - do not modify" > $config_host_mak
1706echo >> $config_host_mak
1707
1708echo all: >> $config_host_mak
1709echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
1710echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak
1711
1712if test "$debug_tcg" = "yes" ; then
1713  echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
1714fi
1715if test "$mingw32" = "yes" ; then
1716  echo "CONFIG_WIN32=y" >> $config_host_mak
1717  echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak
1718  echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak
1719  echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak
1720else
1721  echo "CONFIG_POSIX=y" >> $config_host_mak
1722fi
1723
1724if test "$linux" = "yes" ; then
1725  echo "CONFIG_LINUX=y" >> $config_host_mak
1726fi
1727
1728if test "$darwin" = "yes" ; then
1729  echo "CONFIG_DARWIN=y" >> $config_host_mak
1730fi
1731
1732if test "$solaris" = "yes" ; then
1733  echo "CONFIG_SOLARIS=y" >> $config_host_mak
1734fi
1735echo "SRC_PATH=$source_path" >> $config_host_mak
1736echo "TARGET_DIRS=$target_list" >> $config_host_mak
1737
1738# XXX: suppress that
1739if [ "$bsd" = "yes" ] ; then
1740  echo "CONFIG_BSD=y" >> $config_host_mak
1741fi
1742
1743if test "$plugins" = "yes" ; then
1744    echo "CONFIG_PLUGIN=y" >> $config_host_mak
1745fi
1746
1747if test -n "$gdb_bin"; then
1748    gdb_version=$($gdb_bin --version | head -n 1)
1749    if version_ge ${gdb_version##* } 9.1; then
1750        echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1751        gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1752    else
1753        gdb_bin=""
1754    fi
1755fi
1756
1757if test "$container" != no; then
1758    echo "ENGINE=$container" >> $config_host_mak
1759    echo "RUNC=$runc" >> $config_host_mak
1760fi
1761echo "ROMS=$roms" >> $config_host_mak
1762echo "PYTHON=$python" >> $config_host_mak
1763echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1764echo "MESON=$meson" >> $config_host_mak
1765echo "NINJA=$ninja" >> $config_host_mak
1766echo "PKG_CONFIG=${pkg_config}" >> $config_host_mak
1767echo "CC=$cc" >> $config_host_mak
1768echo "EXESUF=$EXESUF" >> $config_host_mak
1769
1770# use included Linux headers
1771if test "$linux" = "yes" ; then
1772  mkdir -p linux-headers
1773  case "$cpu" in
1774  i386|x86_64)
1775    linux_arch=x86
1776    ;;
1777  ppc|ppc64)
1778    linux_arch=powerpc
1779    ;;
1780  s390x)
1781    linux_arch=s390
1782    ;;
1783  aarch64)
1784    linux_arch=arm64
1785    ;;
1786  loongarch*)
1787    linux_arch=loongarch
1788    ;;
1789  mips64)
1790    linux_arch=mips
1791    ;;
1792  *)
1793    # For most CPUs the kernel architecture name and QEMU CPU name match.
1794    linux_arch="$cpu"
1795    ;;
1796  esac
1797    # For non-KVM architectures we will not have asm headers
1798    if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
1799      symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1800    fi
1801fi
1802
1803for target in $target_list; do
1804    target_dir="$target"
1805    target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
1806    mkdir -p "$target_dir"
1807    case $target in
1808        *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
1809        *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
1810    esac
1811done
1812
1813if test "$default_targets" = "yes"; then
1814  echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1815fi
1816
1817if test "$ccache_cpp2" = "yes"; then
1818  echo "export CCACHE_CPP2=y" >> $config_host_mak
1819fi
1820
1821# tests/tcg configuration
1822(config_host_mak=tests/tcg/config-host.mak
1823mkdir -p tests/tcg
1824echo "# Automatically generated by configure - do not modify" > $config_host_mak
1825echo "SRC_PATH=$source_path" >> $config_host_mak
1826echo "HOST_CC=$host_cc" >> $config_host_mak
1827
1828# versioned checked in the main config_host.mak above
1829if test -n "$gdb_bin"; then
1830    echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1831fi
1832if test "$plugins" = "yes" ; then
1833    echo "CONFIG_PLUGIN=y" >> $config_host_mak
1834fi
1835
1836tcg_tests_targets=
1837for target in $target_list; do
1838  arch=${target%%-*}
1839
1840  case $target in
1841    xtensa*-linux-user)
1842      # the toolchain is not complete with headers, only build softmmu tests
1843      continue
1844      ;;
1845    *-softmmu)
1846      test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1847      qemu="qemu-system-$arch"
1848      ;;
1849    *-linux-user|*-bsd-user)
1850      qemu="qemu-$arch"
1851      ;;
1852  esac
1853
1854  if probe_target_compiler $target || test -n "$container_image"; then
1855      test -n "$container_image" && build_static=y
1856      mkdir -p "tests/tcg/$target"
1857      config_target_mak=tests/tcg/$target/config-target.mak
1858      ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1859      echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1860      echo "TARGET_NAME=$arch" >> "$config_target_mak"
1861      echo "TARGET=$target" >> "$config_target_mak"
1862      write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1863      echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1864      echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1865
1866      # will GDB work with these binaries?
1867      if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1868          echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak"
1869      fi
1870
1871      echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1872      tcg_tests_targets="$tcg_tests_targets $target"
1873  fi
1874done
1875
1876if test "$tcg" = "enabled"; then
1877    echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
1878fi
1879)
1880
1881if test "$skip_meson" = no; then
1882  cross="config-meson.cross.new"
1883  meson_quote() {
1884    test $# = 0 && return
1885    echo "'$(echo $* | sed "s/ /','/g")'"
1886  }
1887
1888  echo "# Automatically generated by configure - do not modify" > $cross
1889  echo "[properties]" >> $cross
1890
1891  # unroll any custom device configs
1892  for a in $device_archs; do
1893      eval "c=\$devices_${a}"
1894      echo "${a}-softmmu = '$c'" >> $cross
1895  done
1896
1897  echo "[built-in options]" >> $cross
1898  echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1899  echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1900  test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1901  echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1902  echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1903  echo "[binaries]" >> $cross
1904  echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1905  test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1906  test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1907  echo "ar = [$(meson_quote $ar)]" >> $cross
1908  echo "nm = [$(meson_quote $nm)]" >> $cross
1909  echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1910  echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1911  if has $sdl2_config; then
1912    echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1913  fi
1914  echo "strip = [$(meson_quote $strip)]" >> $cross
1915  echo "widl = [$(meson_quote $widl)]" >> $cross
1916  echo "windres = [$(meson_quote $windres)]" >> $cross
1917  echo "windmc = [$(meson_quote $windmc)]" >> $cross
1918  if test "$cross_compile" = "yes"; then
1919    cross_arg="--cross-file config-meson.cross"
1920    echo "[host_machine]" >> $cross
1921    echo "system = '$targetos'" >> $cross
1922    case "$cpu" in
1923        i386)
1924            echo "cpu_family = 'x86'" >> $cross
1925            ;;
1926        *)
1927            echo "cpu_family = '$cpu'" >> $cross
1928            ;;
1929    esac
1930    echo "cpu = '$cpu'" >> $cross
1931    if test "$bigendian" = "yes" ; then
1932        echo "endian = 'big'" >> $cross
1933    else
1934        echo "endian = 'little'" >> $cross
1935    fi
1936  else
1937    cross_arg="--native-file config-meson.cross"
1938  fi
1939  mv $cross config-meson.cross
1940
1941  rm -rf meson-private meson-info meson-logs
1942
1943  # Prevent meson from automatically downloading wrapped subprojects when missing.
1944  # You can use 'meson subprojects download' before running configure.
1945  meson_option_add "--wrap-mode=nodownload"
1946
1947  # Built-in options
1948  test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
1949  test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1950  test "$static" = yes && meson_option_add -Dprefer_static=true
1951  test "$pie" = no && meson_option_add -Db_pie=false
1952  test "$werror" = yes && meson_option_add -Dwerror=true
1953
1954  # QEMU options
1955  test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
1956  test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1957  test "$fdt" != auto && meson_option_add "-Dfdt=$fdt"
1958  test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1959  test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
1960  test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
1961  test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1962  test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server"
1963  run_meson() {
1964    NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
1965  }
1966  eval run_meson $meson_options
1967  if test "$?" -ne 0 ; then
1968      error_exit "meson setup failed"
1969  fi
1970else
1971  if test -f meson-private/cmd_line.txt; then
1972    # Adjust old command line options that were removed
1973    # sed -i is not portable
1974    perl -i -ne '
1975      /^sphinx_build/ && next;
1976      print;' meson-private/cmd_line.txt
1977  fi
1978fi
1979
1980# Save the configure command line for later reuse.
1981cat <<EOD >config.status
1982#!/bin/sh
1983# Generated by configure.
1984# Run this file to recreate the current configuration.
1985# Compiler output produced by configure, useful for debugging
1986# configure, is in config.log if it exists.
1987EOD
1988
1989preserve_env() {
1990    envname=$1
1991
1992    eval envval=\$$envname
1993
1994    if test -n "$envval"
1995    then
1996	echo "$envname='$envval'" >> config.status
1997	echo "export $envname" >> config.status
1998    else
1999	echo "unset $envname" >> config.status
2000    fi
2001}
2002
2003# Preserve various env variables that influence what
2004# features/build target configure will detect
2005preserve_env AR
2006preserve_env AS
2007preserve_env CC
2008preserve_env CFLAGS
2009preserve_env CXX
2010preserve_env CXXFLAGS
2011preserve_env LD
2012preserve_env LDFLAGS
2013preserve_env LD_LIBRARY_PATH
2014preserve_env NM
2015preserve_env OBJCFLAGS
2016preserve_env OBJCOPY
2017preserve_env PATH
2018preserve_env PKG_CONFIG
2019preserve_env PKG_CONFIG_LIBDIR
2020preserve_env PKG_CONFIG_PATH
2021preserve_env PYTHON
2022preserve_env QEMU_GA_MANUFACTURER
2023preserve_env QEMU_GA_DISTRO
2024preserve_env QEMU_GA_VERSION
2025preserve_env SDL2_CONFIG
2026preserve_env SMBD
2027preserve_env STRIP
2028preserve_env WIDL
2029preserve_env WINDRES
2030preserve_env WINDMC
2031
2032printf "exec" >>config.status
2033for i in "$0" "$@"; do
2034  test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
2035done
2036echo ' "$@"' >>config.status
2037chmod +x config.status
2038
2039rm -r "$TMPDIR1"
2040