configure

   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.
   8 unset 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!
  11 export CCACHE_RECACHE=yes
  12
  13 # make source path absolute
  14 source_path=$(cd "$(dirname -- "$0")"; pwd)
  15
  16 if test "$PWD" = "$source_path"
  17 then
  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 $MARKER
  34     then
  35         echo "ERROR: Could not create ./build directory. Check the permissions on"
  36         echo "your source directory, or try doing an out-of-tree build."
  37         exit 1
  38     fi
  39
  40     cat > GNUmakefile <<'EOF'
  41 # This file is auto-generated by configure to support in-source tree
  42 # 'make' command invocation
  43
  44 ifeq ($(MAKECMDGOALS),)
  45 recurse: all
  46 endif
  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
  57 force: ;
  58 .PHONY: force
  59 GNUmakefile: ;
  60
  61 EOF
  62     cd build
  63     exec "$source_path/configure" "$@"
  64 fi
  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.)
  71 TMPDIR1="config-temp"
  72 rm -rf "${TMPDIR1}"
  73 if ! mkdir -p "${TMPDIR1}"; then
  74     echo "ERROR: failed to create temporary directory"
  75     exit 1
  76 fi
  77
  78 TMPB="qemu-conf"
  79 TMPC="${TMPDIR1}/${TMPB}.c"
  80 TMPO="${TMPDIR1}/${TMPB}.o"
  81 TMPE="${TMPDIR1}/${TMPB}.exe"
  82
  83 rm -f config.log
  84
  85 # Print a helpful header at the top of config.log
  86 echo "# QEMU configure log $(date)" >> config.log
  87 printf "# Configured with:" >> config.log
  88 # repeat the invocation to log and stdout for CI
  89 invoke=$(printf " '%s'" "$0" "$@")
  90 test -n "$GITLAB_CI" && echo "configuring with: $invoke"
  91 { echo "$invoke"; echo; echo "#"; } >> config.log
  92
  93 quote_sh() {
  94     printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
  95 }
  96
  97 print_error() {
  98     (echo
  99     echo "ERROR: $1"
 100     while test -n "$2"; do
 101         echo "       $2"
 102         shift
 103     done
 104     echo) >&2
 105 }
 106
 107 error_exit() {
 108     print_error "$@"
 109     exit 1
 110 }
 111
 112 do_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 "
 119 funcs: ${FUNCNAME[*]}
 120 lines: ${BASH_LINENO[*]}"
 121   '; fi
 122   echo $compiler "$@" >> config.log
 123   $compiler "$@" >> config.log 2>&1 || return $?
 124 }
 125
 126 do_cc() {
 127     do_compiler "$cc" $CPU_CFLAGS "$@"
 128 }
 129
 130 compile_object() {
 131   local_cflags="$1"
 132   do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -c -o $TMPO $TMPC
 133 }
 134
 135 compile_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".
 143 symlink() {
 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)
 151 has() {
 152     type "$1" >/dev/null 2>&1
 153 }
 154
 155 version_ge () {
 156     local_ver1=$(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
 174 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 175 then
 176   error_exit "main directory cannot contain spaces nor colons"
 177 fi
 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
 183 cpu=""
 184 cross_compile="no"
 185 cross_prefix=""
 186 host_cc="cc"
 187 EXTRA_CFLAGS=""
 188 EXTRA_CXXFLAGS=""
 189 EXTRA_OBJCFLAGS=""
 190 EXTRA_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.
 203 default_feature=""
 204
 205 for 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
 246 done
 247
 248 default_cflags='-O2 -g'
 249 git_submodules_action="update"
 250 git="git"
 251 docs="auto"
 252 EXESUF=""
 253 prefix="/usr/local"
 254 qemu_suffix="qemu"
 255 system="yes"
 256 linux_user=""
 257 bsd_user=""
 258 plugins="$default_feature"
 259 subdirs=""
 260 ninja=""
 261 python=
 262 download="enabled"
 263 bindir="bin"
 264 skip_meson=no
 265 use_containers="yes"
 266 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 267 gdb_arches=""
 268 werror=""
 269
 270 # Don't accept a target_list environment variable.
 271 unset target_list
 272 unset target_list_exclude
 273
 274 # The following Meson options are handled manually (still they
 275 # are included in the automatically generated help message)
 276 # because they automatically enable/disable other options
 277 tcg="auto"
 278 cfi="false"
 279
 280 # Meson has PIE as a boolean rather than enabled/disabled/auto,
 281 # and we also need to check for -static-pie before Meson runs
 282 # which requires knowing whether --static is enabled.
 283 pie=""
 284 static="no"
 285
 286 # Preferred compiler:
 287 #  ${CC} (if set)
 288 #  ${cross_prefix}gcc (if cross-prefix specified)
 289 #  system compiler
 290 if test -z "${CC}${cross_prefix}"; then
 291   cc="cc"
 292 else
 293   cc="${CC-${cross_prefix}gcc}"
 294 fi
 295
 296 if test -z "${CXX}${cross_prefix}"; then
 297   cxx="c++"
 298 else
 299   cxx="${CXX-${cross_prefix}g++}"
 300 fi
 301
 302 # Preferred ObjC compiler:
 303 # $objcc (if set, i.e. via --objcc option)
 304 # ${cross_prefix}clang (if cross-prefix specified)
 305 # clang (if available)
 306 # $cc
 307 if test -z "${objcc}${cross_prefix}"; then
 308   if has clang; then
 309     objcc=clang
 310   else
 311     objcc="$cc"
 312   fi
 313 else
 314   objcc="${objcc-${cross_prefix}clang}"
 315 fi
 316
 317 ar="${AR-${cross_prefix}ar}"
 318 as="${AS-${cross_prefix}as}"
 319 ccas="${CCAS-$cc}"
 320 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 321 ld="${LD-${cross_prefix}ld}"
 322 ranlib="${RANLIB-${cross_prefix}ranlib}"
 323 nm="${NM-${cross_prefix}nm}"
 324 smbd="$SMBD"
 325 strip="${STRIP-${cross_prefix}strip}"
 326 widl="${WIDL-${cross_prefix}widl}"
 327 windres="${WINDRES-${cross_prefix}windres}"
 328 windmc="${WINDMC-${cross_prefix}windmc}"
 329 pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}"
 330 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 331
 332 check_define() {
 333 cat > $TMPC <<EOF
 334 #if !defined($1)
 335 #error $1 not defined
 336 #endif
 337 int main(void) { return 0; }
 338 EOF
 339   compile_object
 340 }
 341
 342 write_c_skeleton() {
 343     cat > $TMPC <<EOF
 344 int main(void) { return 0; }
 345 EOF
 346 }
 347
 348 if check_define __linux__ ; then
 349   targetos=linux
 350 elif check_define _WIN32 ; then
 351   targetos=windows
 352 elif check_define __OpenBSD__ ; then
 353   targetos=openbsd
 354 elif check_define __sun__ ; then
 355   targetos=sunos
 356 elif check_define __HAIKU__ ; then
 357   targetos=haiku
 358 elif check_define __FreeBSD__ ; then
 359   targetos=freebsd
 360 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 361   targetos=gnu/kfreebsd
 362 elif check_define __DragonFly__ ; then
 363   targetos=dragonfly
 364 elif check_define __NetBSD__; then
 365   targetos=netbsd
 366 elif check_define __APPLE__; then
 367   targetos=darwin
 368 else
 369   # This is a fatal error, but don't report it yet, because we
 370   # might be going to just print the --help text, or it might
 371   # be the result of a missing compiler.
 372   targetos=bogus
 373 fi
 374
 375 # OS specific
 376
 377 case $targetos in
 378 windows)
 379   plugins="no"
 380   pie="no"
 381 ;;
 382 haiku)
 383   pie="no"
 384 ;;
 385 esac
 386
 387 if test ! -z "$cpu" ; then
 388   # command line argument
 389   :
 390 elif check_define __i386__ ; then
 391   cpu="i386"
 392 elif check_define __x86_64__ ; then
 393   if check_define __ILP32__ ; then
 394     cpu="x32"
 395   else
 396     cpu="x86_64"
 397   fi
 398 elif check_define __sparc__ ; then
 399   if check_define __arch64__ ; then
 400     cpu="sparc64"
 401   else
 402     cpu="sparc"
 403   fi
 404 elif check_define _ARCH_PPC ; then
 405   if check_define _ARCH_PPC64 ; then
 406     if check_define _LITTLE_ENDIAN ; then
 407       cpu="ppc64le"
 408     else
 409       cpu="ppc64"
 410     fi
 411   else
 412     cpu="ppc"
 413   fi
 414 elif check_define __mips__ ; then
 415   cpu="mips"
 416 elif check_define __s390__ ; then
 417   if check_define __s390x__ ; then
 418     cpu="s390x"
 419   else
 420     cpu="s390"
 421   fi
 422 elif check_define __riscv ; then
 423   if check_define _LP64 ; then
 424     cpu="riscv64"
 425   else
 426     cpu="riscv32"
 427   fi
 428 elif check_define __arm__ ; then
 429   cpu="arm"
 430 elif check_define __aarch64__ ; then
 431   cpu="aarch64"
 432 elif check_define __loongarch64 ; then
 433   cpu="loongarch64"
 434 else
 435   # Using uname is really broken, but it is just a fallback for architectures
 436   # that are going to use TCI anyway
 437   cpu=$(uname -m)
 438   echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
 439 fi
 440
 441 # Normalise host CPU name to the values used by Meson cross files and in source
 442 # directories, and set multilib cflags.  The canonicalization isn't really
 443 # necessary, because the architectures that we check for should not hit the
 444 # 'uname -m' case, but better safe than sorry in case --cpu= is used.
 445 #
 446 # Note that this case should only have supported host CPUs, not guests.
 447 # Please keep it sorted and synchronized with meson.build's host_arch.
 448 host_arch=
 449 linux_arch=
 450 case "$cpu" in
 451   aarch64)
 452     host_arch=aarch64
 453     linux_arch=arm64
 454     ;;
 455
 456   armv*b|armv*l|arm)
 457     cpu=arm
 458     host_arch=arm
 459     linux_arch=arm
 460     ;;
 461
 462   i386|i486|i586|i686)
 463     cpu="i386"
 464     host_arch=i386
 465     linux_arch=x86
 466     CPU_CFLAGS="-m32"
 467     ;;
 468
 469   loongarch*)
 470     cpu=loongarch64
 471     host_arch=loongarch64
 472     ;;
 473
 474   mips64*)
 475     cpu=mips64
 476     host_arch=mips
 477     linux_arch=mips
 478     ;;
 479   mips*)
 480     cpu=mips
 481     host_arch=mips
 482     linux_arch=mips
 483     ;;
 484
 485   ppc)
 486     host_arch=ppc
 487     linux_arch=powerpc
 488     CPU_CFLAGS="-m32"
 489     ;;
 490   ppc64)
 491     host_arch=ppc64
 492     linux_arch=powerpc
 493     CPU_CFLAGS="-m64 -mbig-endian"
 494     ;;
 495   ppc64le)
 496     cpu=ppc64
 497     host_arch=ppc64
 498     linux_arch=powerpc
 499     CPU_CFLAGS="-m64 -mlittle-endian"
 500     ;;
 501
 502   riscv32 | riscv64)
 503     host_arch=riscv
 504     linux_arch=riscv
 505     ;;
 506
 507   s390)
 508     linux_arch=s390
 509     CPU_CFLAGS="-m31"
 510     ;;
 511   s390x)
 512     host_arch=s390x
 513     linux_arch=s390
 514     CPU_CFLAGS="-m64"
 515     ;;
 516
 517   sparc|sun4[cdmuv])
 518     cpu=sparc
 519     CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
 520     ;;
 521   sparc64)
 522     host_arch=sparc64
 523     CPU_CFLAGS="-m64 -mcpu=ultrasparc"
 524     ;;
 525
 526   x32)
 527     cpu="x86_64"
 528     host_arch=x86_64
 529     linux_arch=x86
 530     CPU_CFLAGS="-mx32"
 531     ;;
 532   x86_64|amd64)
 533     cpu="x86_64"
 534     host_arch=x86_64
 535     linux_arch=x86
 536     # ??? Only extremely old AMD cpus do not have cmpxchg16b.
 537     # If we truly care, we should simply detect this case at
 538     # runtime and generate the fallback to serial emulation.
 539     CPU_CFLAGS="-m64 -mcx16"
 540     ;;
 541 esac
 542
 543 if test -n "$host_arch" && {
 544     ! test -d "$source_path/linux-user/include/host/$host_arch" ||
 545     ! test -d "$source_path/common-user/host/$host_arch"; }; then
 546     error_exit "linux-user/include/host/$host_arch does not exist." \
 547        "This is a bug in the configure script, please report it."
 548 fi
 549 if test -n "$linux_arch" && ! test -d "$source_path/linux-headers/asm-$linux_arch"; then
 550     error_exit "linux-headers/asm-$linux_arch does not exist." \
 551        "This is a bug in the configure script, please report it."
 552 fi
 553
 554 check_py_version() {
 555     # We require python >= 3.8.
 556     # NB: a True python conditional creates a non-zero return code (Failure)
 557     "$1" -c 'import sys; sys.exit(sys.version_info < (3,8))'
 558 }
 559
 560 first_python=
 561 if test -z "${PYTHON}"; then
 562     # A bare 'python' is traditionally python 2.x, but some distros
 563     # have it as python 3.x, so check in both places.
 564     for binary in python3 python python3.11 python3.10 python3.9 python3.8; do
 565         if has "$binary"; then
 566             python=$(command -v "$binary")
 567             if check_py_version "$python"; then
 568                 # This one is good.
 569                 first_python=
 570                 break
 571             else
 572                 first_python=$python
 573             fi
 574         fi
 575     done
 576 else
 577     # Same as above, but only check the environment variable.
 578     has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
 579     python=$(command -v "$PYTHON")
 580     if check_py_version "$python"; then
 581         # This one is good.
 582         first_python=
 583     else
 584         first_python=$first_python
 585     fi
 586 fi
 587
 588 # Check for ancillary tools used in testing
 589 genisoimage=
 590 for binary in genisoimage mkisofs
 591 do
 592     if has $binary
 593     then
 594         genisoimage=$(command -v "$binary")
 595         break
 596     fi
 597 done
 598
 599 if test "$targetos" = "windows" ; then
 600   EXESUF=".exe"
 601   prefix="/qemu"
 602   bindir=""
 603   qemu_suffix=""
 604 fi
 605
 606 meson_option_build_array() {
 607   printf '['
 608   (if test "$targetos" = windows; then
 609     IFS=\;
 610   else
 611     IFS=:
 612   fi
 613   for e in $1; do
 614     printf '"""'
 615     # backslash escape any '\' and '"' characters
 616     printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
 617     printf '""",'
 618   done)
 619   printf ']\n'
 620 }
 621
 622 . "$source_path/scripts/meson-buildoptions.sh"
 623
 624 meson_options=
 625 meson_option_add() {
 626   meson_options="$meson_options $(quote_sh "$1")"
 627 }
 628 meson_option_parse() {
 629   meson_options="$meson_options $(_meson_option_parse "$@")"
 630   if test $? -eq 1; then
 631     echo "ERROR: unknown option $1"
 632     echo "Try '$0 --help' for more information"
 633     exit 1
 634   fi
 635 }
 636
 637 for opt do
 638   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 639   case "$opt" in
 640   --help|-h) show_help=yes
 641   ;;
 642   --version|-V) exec cat "$source_path/VERSION"
 643   ;;
 644   --prefix=*) prefix="$optarg"
 645   ;;
 646   --cross-prefix=*)
 647   ;;
 648   --cc=*)
 649   ;;
 650   --host-cc=*) host_cc="$optarg"
 651   ;;
 652   --cxx=*)
 653   ;;
 654   --objcc=*)
 655   ;;
 656   --make=*)
 657   ;;
 658   --install=*)
 659   ;;
 660   --python=*) python="$optarg"
 661   ;;
 662   --skip-meson) skip_meson=yes
 663   ;;
 664   --ninja=*) ninja="$optarg"
 665   ;;
 666   --smbd=*) smbd="$optarg"
 667   ;;
 668   --extra-cflags=*)
 669   ;;
 670   --extra-cxxflags=*)
 671   ;;
 672   --extra-objcflags=*)
 673   ;;
 674   --extra-ldflags=*)
 675   ;;
 676   --cross-cc-*)
 677   ;;
 678   --cross-prefix-*)
 679   ;;
 680   --enable-docs) docs=enabled
 681   ;;
 682   --disable-docs) docs=disabled
 683   ;;
 684   --cpu=*)
 685   ;;
 686   --target-list=*) target_list="$optarg"
 687                    if test "$target_list_exclude"; then
 688                        error_exit "Can't mix --target-list with --target-list-exclude"
 689                    fi
 690   ;;
 691   --target-list-exclude=*) target_list_exclude="$optarg"
 692                    if test "$target_list"; then
 693                        error_exit "Can't mix --target-list-exclude with --target-list"
 694                    fi
 695   ;;
 696   --with-default-devices) meson_option_add -Ddefault_devices=true
 697   ;;
 698   --without-default-devices) meson_option_add -Ddefault_devices=false
 699   ;;
 700   --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
 701   ;;
 702   --with-devices-*) device_arch=${opt#--with-devices-};
 703                     device_arch=${device_arch%%=*}
 704                     cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
 705                     if test -f "$cf"; then
 706                         device_archs="$device_archs $device_arch"
 707                         eval "devices_${device_arch}=\$optarg"
 708                     else
 709                         error_exit "File $cf does not exist"
 710                     fi
 711   ;;
 712   --without-default-features) # processed above
 713   ;;
 714   --static) static="yes"
 715   ;;
 716   --bindir=*) bindir="$optarg"
 717   ;;
 718   --with-suffix=*) qemu_suffix="$optarg"
 719   ;;
 720   --host=*|--build=*|\
 721   --disable-dependency-tracking|\
 722   --sbindir=*|--sharedstatedir=*|\
 723   --oldincludedir=*|--datarootdir=*|--infodir=*|\
 724   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 725     # These switches are silently ignored, for compatibility with
 726     # autoconf-generated configure scripts. This allows QEMU's
 727     # configure to be used by RPM and similar macros that set
 728     # lots of directory switches by default.
 729   ;;
 730   --enable-debug)
 731       # Enable debugging options that aren't excessively noisy
 732       meson_option_parse --enable-debug-tcg ""
 733       meson_option_parse --enable-debug-graph-lock ""
 734       meson_option_parse --enable-debug-mutex ""
 735       meson_option_add -Doptimization=0
 736       default_cflags='-O0 -g'
 737   ;;
 738   --disable-tcg) tcg="disabled"
 739                  plugins="no"
 740   ;;
 741   --enable-tcg) tcg="enabled"
 742   ;;
 743   --disable-system) system="no"
 744   ;;
 745   --enable-system) system="yes"
 746   ;;
 747   --disable-user)
 748       linux_user="no" ;
 749       bsd_user="no" ;
 750   ;;
 751   --enable-user) ;;
 752   --disable-linux-user) linux_user="no"
 753   ;;
 754   --enable-linux-user) linux_user="yes"
 755   ;;
 756   --disable-bsd-user) bsd_user="no"
 757   ;;
 758   --enable-bsd-user) bsd_user="yes"
 759   ;;
 760   --enable-pie) pie="yes"
 761   ;;
 762   --disable-pie) pie="no"
 763   ;;
 764   --enable-werror) werror="yes"
 765   ;;
 766   --disable-werror) werror="no"
 767   ;;
 768   --enable-cfi)
 769       cfi="true";
 770       meson_option_add -Db_lto=true
 771   ;;
 772   --disable-cfi) cfi="false"
 773   ;;
 774   --disable-download) download="disabled"; git_submodules_action=validate;
 775   ;;
 776   --enable-download) download="enabled"; git_submodules_action=update;
 777   ;;
 778   --enable-plugins) if test "$targetos" = "windows"; then
 779                         error_exit "TCG plugins not currently supported on Windows platforms"
 780                     else
 781                         plugins="yes"
 782                     fi
 783   ;;
 784   --disable-plugins) plugins="no"
 785   ;;
 786   --enable-containers) use_containers="yes"
 787   ;;
 788   --disable-containers) use_containers="no"
 789   ;;
 790   --gdb=*) gdb_bin="$optarg"
 791   ;;
 792   # everything else has the same name in configure and meson
 793   --*) meson_option_parse "$opt" "$optarg"
 794   ;;
 795   # Pass through -Dxxxx options to meson
 796   -D*) meson_options="$meson_options $opt"
 797   ;;
 798   esac
 799 done
 800
 801 if ! test -e "$source_path/.git"
 802 then
 803     git_submodules_action="validate"
 804 fi
 805
 806 # test for any invalid configuration combinations
 807 if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
 808     error_exit "Can't enable plugins on non-TCG builds"
 809 fi
 810
 811 if ! test -f "$source_path/subprojects/keycodemapdb/README" \
 812     && test "$download" = disabled
 813 then
 814     echo
 815     echo "ERROR: missing subprojects"
 816     echo
 817     if test -e "$source_path/.git"; then
 818         echo "--disable-download specified but subprojects were not"
 819         echo 'checked out.  Please invoke "meson subprojects download"'
 820         echo "before configuring QEMU, or remove --disable-download"
 821         echo "from the command line."
 822     else
 823         echo "This is not a GIT checkout but subproject content appears to"
 824         echo "be missing. Do not use 'git archive' or GitHub download links"
 825         echo "to acquire QEMU source archives. Non-GIT builds are only"
 826         echo "supported with source archives linked from:"
 827         echo
 828         echo "  https://www.qemu.org/download/#source"
 829         echo
 830         echo "Developers working with GIT can use scripts/archive-source.sh"
 831         echo "if they need to create valid source archives."
 832     fi
 833     echo
 834     exit 1
 835 fi
 836
 837 default_target_list=""
 838 mak_wilds=""
 839
 840 if [ -n "$host_arch" ] && [ -d "$source_path/common-user/host/$host_arch" ]; then
 841     if [ "$linux_user" != no ]; then
 842         if [ "$targetos" = linux ]; then
 843             linux_user=yes
 844         elif [ "$linux_user" = yes ]; then
 845             error_exit "linux-user not supported on this architecture"
 846         fi
 847         if [ "$linux_user" = "yes" ]; then
 848             mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
 849         fi
 850     fi
 851     if [ "$bsd_user" != no ]; then
 852         if [ "$bsd_user" = "" ]; then
 853             test $targetos = freebsd && bsd_user=yes
 854         fi
 855         if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
 856             error_exit "bsd-user not supported on this host OS"
 857         fi
 858         if [ "$bsd_user" = "yes" ]; then
 859             mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
 860         fi
 861     fi
 862 else
 863     if [ "$linux_user" = yes ] || [ "$bsd_user" = yes ]; then
 864         error_exit "user mode emulation not supported on this architecture"
 865     fi
 866 fi
 867 if [ "$system" = "yes" ]; then
 868     mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
 869 fi
 870
 871 for config in $mak_wilds; do
 872     target="$(basename "$config" .mak)"
 873     if echo "$target_list_exclude" | grep -vq "$target"; then
 874         default_target_list="${default_target_list} $target"
 875     fi
 876 done
 877
 878 if test x"$show_help" = x"yes" ; then
 879 cat << EOF
 880
 881 Usage: configure [options]
 882 Options: [defaults in brackets after descriptions]
 883
 884 Standard options:
 885   --help                   print this message
 886   --prefix=PREFIX          install in PREFIX [$prefix]
 887   --target-list=LIST       set target list (default: build all)
 888 $(echo Available targets: $default_target_list | \
 889   fold -s -w 53 | sed -e 's/^/                           /')
 890   --target-list-exclude=LIST exclude a set of targets from the default target-list
 891
 892 Advanced options (experts only):
 893   -Dmesonoptname=val       passthrough option to meson unmodified
 894   --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
 895   --cc=CC                  use C compiler CC [$cc]
 896   --host-cc=CC             when cross compiling, use C compiler CC for code run
 897                            at build time [$host_cc]
 898   --cxx=CXX                use C++ compiler CXX [$cxx]
 899   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
 900   --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
 901   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
 902   --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
 903   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
 904   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
 905   --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
 906   --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
 907   --python=PYTHON          use specified python [$python]
 908   --ninja=NINJA            use specified ninja [$ninja]
 909   --smbd=SMBD              use specified smbd [$smbd]
 910   --static                 enable static build [$static]
 911   --bindir=PATH            install binaries in PATH
 912   --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
 913   --without-default-features default all --enable-* options to "disabled"
 914   --without-default-devices  do not include any device that is not needed to
 915                            start the emulator (only use if you are including
 916                            desired devices in configs/devices/)
 917   --with-devices-ARCH=NAME override default configs/devices
 918   --enable-debug           enable common debug build options
 919   --disable-werror         disable compilation abort on warning
 920   --cpu=CPU                Build for host CPU [$cpu]
 921   --enable-plugins
 922                            enable plugins via shared library loading
 923   --disable-containers     don't use containers for cross-building
 924   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
 925 EOF
 926   meson_options_help
 927 cat << EOF
 928   system          all system emulation targets
 929   user            supported user emulation targets
 930   linux-user      all linux usermode emulation targets
 931   bsd-user        all BSD usermode emulation targets
 932   pie             Position Independent Executables
 933
 934 NOTE: The object files are built at the place where configure is launched
 935 EOF
 936 exit 0
 937 fi
 938
 939 # Remove old dependency files to make sure that they get properly regenerated
 940 rm -f ./*/config-devices.mak.d
 941
 942 if test -z "$python"
 943 then
 944     # If first_python is set, there was a binary somewhere even though
 945     # it was not suitable.  Use it for the error message.
 946     if test -n "$first_python"; then
 947         error_exit "Cannot use '$first_python', Python >= 3.7 is required." \
 948             "Use --python=/path/to/python to specify a supported Python."
 949     else
 950         error_exit "Python not found. Use --python=/path/to/python"
 951     fi
 952 fi
 953
 954 if ! check_py_version "$python"; then
 955   error_exit "Cannot use '$python', Python >= 3.8 is required." \
 956              "Use --python=/path/to/python to specify a supported Python." \
 957              "Maybe try:" \
 958              "  openSUSE Leap 15.3+: zypper install python39" \
 959              "  CentOS 8: dnf install python38"
 960 fi
 961
 962 # Resolve PATH
 963 python="$(command -v "$python")"
 964
 965 # Create a Python virtual environment using our configured python.
 966 # The stdout of this script will be the location of a symlink that
 967 # points to the configured Python.
 968 # Entry point scripts for pip, meson, and sphinx are generated if those
 969 # packages are present.
 970
 971 # Defaults assumed for now:
 972 # - venv is cleared if it exists already;
 973 # - venv is allowed to use system packages;
 974 # - all setup can be performed offline;
 975 # - missing packages may be fetched from PyPI,
 976 #   unless --disable-download is passed.
 977 # - pip is not installed into the venv when possible,
 978 #   but ensurepip is called as a fallback when necessary.
 979
 980 echo "python determined to be '$python'"
 981 echo "python version: $($python --version)"
 982
 983 python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
 984 if test "$?" -ne 0 ; then
 985     error_exit "python venv creation failed"
 986 fi
 987
 988 # Suppress writing compiled files
 989 python="$python -B"
 990 mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
 991
 992 # Finish preparing the virtual environment using vendored .whl files
 993
 994 if $python -c 'import sys; sys.exit(sys.version_info >= (3,11))'; then
 995     $mkvenv ensure --dir "${source_path}/python/wheels" \
 996         'tomli>=1.2.0' || exit 1
 997 fi
 998 $mkvenv ensuregroup --dir "${source_path}/python/wheels" \
 999      ${source_path}/pythondeps.toml meson || exit 1
1000
1001 # At this point, we expect Meson to be installed and available.
1002 # We expect mkvenv or pip to have created pyvenv/bin/meson for us.
1003 # We ignore PATH completely here: we want to use the venv's Meson
1004 # *exclusively*.
1005
1006 meson="$(cd pyvenv/bin; pwd)/meson"
1007
1008 # Conditionally ensure Sphinx is installed.
1009
1010 mkvenv_flags=""
1011 if test "$download" = "enabled" -a "$docs" = "enabled" ; then
1012     mkvenv_flags="--online"
1013 fi
1014
1015 if test "$docs" != "disabled" ; then
1016     if ! $mkvenv ensuregroup \
1017          $mkvenv_flags \
1018          ${source_path}/pythondeps.toml docs;
1019     then
1020         if test "$docs" = "enabled" ; then
1021             exit 1
1022         fi
1023         echo "Sphinx not found/usable, disabling docs."
1024         docs=disabled
1025     else
1026         docs=enabled
1027     fi
1028 fi
1029
1030 # Probe for ninja
1031
1032 if test -z "$ninja"; then
1033     for c in ninja ninja-build samu; do
1034         if has $c; then
1035             ninja=$(command -v "$c")
1036             break
1037         fi
1038     done
1039     if test -z "$ninja"; then
1040       error_exit "Cannot find Ninja"
1041     fi
1042 fi
1043
1044 # Consult white-list to determine whether to enable werror
1045 # by default.  Only enable by default for git builds
1046 if test -z "$werror" ; then
1047     if test -e "$source_path/.git" && \
1048         { test "$targetos" = linux || test "$targetos" = "windows"; }; then
1049         werror="yes"
1050     else
1051         werror="no"
1052     fi
1053 fi
1054
1055 if test "$targetos" = "bogus"; then
1056     # Now that we know that we're not printing the help and that
1057     # the compiler works (so the results of the check_defines we used
1058     # to identify the OS are reliable), if we didn't recognize the
1059     # host OS we should stop now.
1060     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1061 fi
1062
1063 if test "$static" = "yes" ; then
1064   if test "$plugins" = "yes"; then
1065     error_exit "static and plugins are mutually incompatible"
1066   else
1067     plugins="no"
1068   fi
1069 fi
1070 test "$plugins" = "" && plugins=yes
1071 if test "$plugins" = "yes"; then
1072   subdirs="$subdirs contrib/plugins"
1073 fi
1074
1075 cat > $TMPC << EOF
1076
1077 #ifdef __linux__
1078 #  define THREAD __thread
1079 #else
1080 #  define THREAD
1081 #endif
1082 static THREAD int tls_var;
1083 int main(void) { return tls_var; }
1084 EOF
1085
1086 if test "$static" = "yes"; then
1087   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1088     pie="yes"
1089   elif test "$pie" = "yes"; then
1090     error_exit "-static-pie not available due to missing toolchain support"
1091   else
1092     pie="no"
1093   fi
1094 elif test "$pie" != "no"; then
1095   if compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1096     pie="yes"
1097   elif test "$pie" = "yes"; then
1098     error_exit "PIE not available due to missing toolchain support"
1099   else
1100     echo "Disabling PIE due to missing toolchain support"
1101     pie="no"
1102   fi
1103 fi
1104
1105 ##########################################
1106
1107 if test -z "${target_list+xxx}" ; then
1108     default_targets=yes
1109     for target in $default_target_list; do
1110         target_list="$target_list $target"
1111     done
1112     target_list="${target_list# }"
1113 else
1114     default_targets=no
1115     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1116     for target in $target_list; do
1117         # Check that we recognised the target name; this allows a more
1118         # friendly error message than if we let it fall through.
1119         case " $default_target_list " in
1120             *" $target "*)
1121                 ;;
1122             *)
1123                 error_exit "Unknown target name '$target'"
1124                 ;;
1125         esac
1126     done
1127 fi
1128
1129 if test "$tcg" = "auto"; then
1130   if test -z "$target_list"; then
1131     tcg="disabled"
1132   else
1133     tcg="enabled"
1134   fi
1135 fi
1136
1137 ##########################################
1138 # big/little endian test
1139 cat > $TMPC << EOF
1140 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1141 # error LITTLE
1142 #endif
1143 int main(void) { return 0; }
1144 EOF
1145
1146 if ! compile_prog ; then
1147   bigendian="no"
1148 else
1149   cat > $TMPC << EOF
1150 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1151 # error BIG
1152 #endif
1153 int main(void) { return 0; }
1154 EOF
1155
1156   if ! compile_prog ; then
1157     bigendian="yes"
1158   else
1159     echo big/little test failed
1160     exit 1
1161   fi
1162 fi
1163
1164 ########################################
1165 # check if ccache is interfering with
1166 # semantic analysis of macros
1167
1168 unset CCACHE_CPP2
1169 ccache_cpp2=no
1170 cat > $TMPC << EOF
1171 static const int Z = 1;
1172 #define fn() ({ Z; })
1173 #define TAUT(X) ((X) == Z)
1174 #define PAREN(X, Y) (X == Y)
1175 #define ID(X) (X)
1176 int main(void)
1177 {
1178     int x = 0, y = 0;
1179     x = ID(x);
1180     x = fn();
1181     fn();
1182     if (PAREN(x, y)) return 0;
1183     if (TAUT(Z)) return 0;
1184     return 0;
1185 }
1186 EOF
1187
1188 if ! compile_object "-Werror"; then
1189     ccache_cpp2=yes
1190 fi
1191
1192 ##########################################
1193 # functions to probe cross compilers
1194
1195 container="no"
1196 runc=""
1197 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1198     case $($python "$source_path"/tests/docker/docker.py probe) in
1199         *docker) container=docker ;;
1200         podman) container=podman ;;
1201         no) container=no ;;
1202     esac
1203     if test "$container" != "no"; then
1204         docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1205         runc=$($python "$source_path"/tests/docker/docker.py probe)
1206     fi
1207 fi
1208
1209 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1210 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1211 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1212 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1213 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1214 : ${cross_prefix_armeb="$cross_prefix_arm"}
1215 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1216 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1217 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1218 : ${cross_prefix_i386="i686-linux-gnu-"}
1219 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1220 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1221 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1222 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1223 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1224 : ${cross_prefix_mips="mips-linux-gnu-"}
1225 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1226 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1227 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1228 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1229 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1230 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1231 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1232 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1233 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1234 : ${cross_prefix_tricore="tricore-"}
1235 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1236
1237 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1238 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1239 : ${cross_cc_armeb="$cross_cc_arm"}
1240 : ${cross_cc_cflags_armeb="-mbig-endian"}
1241 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1242 : ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1243 : ${cross_cc_cflags_i386="-m32"}
1244 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1245 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1246 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1247 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1248 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1249 : ${cross_cc_sparc="$cross_cc_sparc64"}
1250 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1251 : ${cross_cc_cflags_x86_64="-m64"}
1252
1253 compute_target_variable() {
1254   eval "$2="
1255   if eval test -n "\"\${cross_prefix_$1}\""; then
1256     if eval has "\"\${cross_prefix_$1}\$3\""; then
1257       eval "$2=\"\${cross_prefix_$1}\$3\""
1258     fi
1259   fi
1260 }
1261
1262 have_target() {
1263   for i; do
1264     case " $target_list " in
1265       *" $i "*) return 0;;
1266       *) ;;
1267     esac
1268   done
1269   return 1
1270 }
1271
1272 # probe_target_compiler TARGET
1273 #
1274 # Look for a compiler for the given target, either native or cross.
1275 # Set variables target_* if a compiler is found, and container_cross_*
1276 # if a Docker-based cross-compiler image is known for the target.
1277 # Set got_cross_cc to yes/no depending on whether a non-container-based
1278 # compiler was found.
1279 #
1280 # If TARGET is a user-mode emulation target, also set build_static to
1281 # "y" if static linking is possible.
1282 #
1283 probe_target_compiler() {
1284   # reset all output variables
1285   got_cross_cc=no
1286   container_image=
1287   container_hosts=
1288   container_cross_cc=
1289   container_cross_ar=
1290   container_cross_as=
1291   container_cross_ld=
1292   container_cross_nm=
1293   container_cross_objcopy=
1294   container_cross_ranlib=
1295   container_cross_strip=
1296
1297   target_arch=${1%%-*}
1298   case $target_arch in
1299     aarch64) container_hosts="x86_64 aarch64" ;;
1300     alpha) container_hosts=x86_64 ;;
1301     arm) container_hosts="x86_64 aarch64" ;;
1302     cris) container_hosts=x86_64 ;;
1303     hexagon) container_hosts=x86_64 ;;
1304     hppa) container_hosts=x86_64 ;;
1305     i386) container_hosts=x86_64 ;;
1306     loongarch64) container_hosts=x86_64 ;;
1307     m68k) container_hosts=x86_64 ;;
1308     microblaze) container_hosts=x86_64 ;;
1309     mips64el) container_hosts=x86_64 ;;
1310     mips64) container_hosts=x86_64 ;;
1311     mipsel) container_hosts=x86_64 ;;
1312     mips) container_hosts=x86_64 ;;
1313     nios2) container_hosts=x86_64 ;;
1314     ppc) container_hosts=x86_64 ;;
1315     ppc64|ppc64le) container_hosts=x86_64 ;;
1316     riscv64) container_hosts=x86_64 ;;
1317     s390x) container_hosts=x86_64 ;;
1318     sh4) container_hosts=x86_64 ;;
1319     sparc64) container_hosts=x86_64 ;;
1320     tricore) container_hosts=x86_64 ;;
1321     x86_64) container_hosts="aarch64 ppc64le x86_64" ;;
1322     xtensa*) container_hosts=x86_64 ;;
1323   esac
1324
1325   for host in $container_hosts; do
1326     test "$container" != no || continue
1327     test "$host" = "$cpu" || continue
1328     case $target_arch in
1329       aarch64)
1330         # We don't have any bigendian build tools so we only use this for AArch64
1331         container_image=debian-arm64-cross
1332         container_cross_prefix=aarch64-linux-gnu-
1333         container_cross_cc=${container_cross_prefix}gcc-10
1334         ;;
1335       alpha)
1336         container_image=debian-alpha-cross
1337         container_cross_prefix=alpha-linux-gnu-
1338         ;;
1339       arm)
1340         # We don't have any bigendian build tools so we only use this for ARM
1341         container_image=debian-armhf-cross
1342         container_cross_prefix=arm-linux-gnueabihf-
1343         ;;
1344       cris)
1345         container_image=fedora-cris-cross
1346         container_cross_prefix=cris-linux-gnu-
1347         ;;
1348       hexagon)
1349         container_image=debian-hexagon-cross
1350         container_cross_prefix=hexagon-unknown-linux-musl-
1351         container_cross_cc=${container_cross_prefix}clang
1352         ;;
1353       hppa)
1354         container_image=debian-hppa-cross
1355         container_cross_prefix=hppa-linux-gnu-
1356         ;;
1357       i386)
1358         container_image=fedora-i386-cross
1359         container_cross_prefix=
1360         ;;
1361       loongarch64)
1362         container_image=debian-loongarch-cross
1363         container_cross_prefix=loongarch64-unknown-linux-gnu-
1364         ;;
1365       m68k)
1366         container_image=debian-m68k-cross
1367         container_cross_prefix=m68k-linux-gnu-
1368         ;;
1369       microblaze)
1370         container_image=debian-microblaze-cross
1371         container_cross_prefix=microblaze-linux-musl-
1372         ;;
1373       mips64el)
1374         container_image=debian-mips64el-cross
1375         container_cross_prefix=mips64el-linux-gnuabi64-
1376         ;;
1377       mips64)
1378         container_image=debian-mips64-cross
1379         container_cross_prefix=mips64-linux-gnuabi64-
1380         ;;
1381       mipsel)
1382         container_image=debian-mipsel-cross
1383         container_cross_prefix=mipsel-linux-gnu-
1384         ;;
1385       mips)
1386         container_image=debian-mips-cross
1387         container_cross_prefix=mips-linux-gnu-
1388         ;;
1389       nios2)
1390         container_image=debian-nios2-cross
1391         container_cross_prefix=nios2-linux-gnu-
1392         ;;
1393       ppc)
1394         container_image=debian-powerpc-test-cross
1395         container_cross_prefix=powerpc-linux-gnu-
1396         container_cross_cc=${container_cross_prefix}gcc-10
1397         ;;
1398       ppc64|ppc64le)
1399         container_image=debian-powerpc-test-cross
1400         container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1401         container_cross_cc=${container_cross_prefix}gcc-10
1402         ;;
1403       riscv64)
1404         container_image=debian-riscv64-test-cross
1405         container_cross_prefix=riscv64-linux-gnu-
1406         ;;
1407       s390x)
1408         container_image=debian-s390x-cross
1409         container_cross_prefix=s390x-linux-gnu-
1410         ;;
1411       sh4)
1412         container_image=debian-sh4-cross
1413         container_cross_prefix=sh4-linux-gnu-
1414         ;;
1415       sparc64)
1416         container_image=debian-sparc64-cross
1417         container_cross_prefix=sparc64-linux-gnu-
1418         ;;
1419       tricore)
1420         container_image=debian-tricore-cross
1421         container_cross_prefix=tricore-
1422         ;;
1423       x86_64)
1424         container_image=debian-amd64-cross
1425         container_cross_prefix=x86_64-linux-gnu-
1426         ;;
1427       xtensa*)
1428         container_image=debian-xtensa-cross
1429
1430         # default to the dc232b cpu
1431         container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1432         ;;
1433     esac
1434     : ${container_cross_cc:=${container_cross_prefix}gcc}
1435     : ${container_cross_ar:=${container_cross_prefix}ar}
1436     : ${container_cross_as:=${container_cross_prefix}as}
1437     : ${container_cross_ld:=${container_cross_prefix}ld}
1438     : ${container_cross_nm:=${container_cross_prefix}nm}
1439     : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1440     : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1441     : ${container_cross_strip:=${container_cross_prefix}strip}
1442   done
1443
1444   try=cross
1445   case "$target_arch:$cpu" in
1446     aarch64_be:aarch64 | \
1447     armeb:arm | \
1448     i386:x86_64 | \
1449     mips*:mips64 | \
1450     ppc*:ppc64 | \
1451     sparc:sparc64 | \
1452     "$cpu:$cpu")
1453       try='native cross' ;;
1454   esac
1455   eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1456   for thistry in $try; do
1457     case $thistry in
1458     native)
1459       target_cc=$cc
1460       target_ccas=$ccas
1461       target_ar=$ar
1462       target_as=$as
1463       target_ld=$ld
1464       target_nm=$nm
1465       target_objcopy=$objcopy
1466       target_ranlib=$ranlib
1467       target_strip=$strip
1468       ;;
1469     cross)
1470       target_cc=
1471       if eval test -n "\"\${cross_cc_$target_arch}\""; then
1472         if eval has "\"\${cross_cc_$target_arch}\""; then
1473           eval "target_cc=\"\${cross_cc_$target_arch}\""
1474         fi
1475       else
1476         compute_target_variable $target_arch target_cc gcc
1477       fi
1478       target_ccas=$target_cc
1479       compute_target_variable $target_arch target_ar ar
1480       compute_target_variable $target_arch target_as as
1481       compute_target_variable $target_arch target_ld ld
1482       compute_target_variable $target_arch target_nm nm
1483       compute_target_variable $target_arch target_objcopy objcopy
1484       compute_target_variable $target_arch target_ranlib ranlib
1485       compute_target_variable $target_arch target_strip strip
1486       ;;
1487     esac
1488
1489     if test -n "$target_cc"; then
1490       case $target_arch in
1491         i386|x86_64)
1492           if $target_cc --version | grep -qi "clang"; then
1493             continue
1494           fi
1495           ;;
1496       esac
1497     elif test -n "$target_as" && test -n "$target_ld"; then
1498       # Special handling for assembler only targets
1499       case $target in
1500         tricore-softmmu)
1501           build_static=
1502           got_cross_cc=yes
1503           break
1504           ;;
1505         *)
1506           continue
1507           ;;
1508       esac
1509     else
1510       continue
1511     fi
1512
1513     write_c_skeleton
1514     case $1 in
1515       *-softmmu)
1516         if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1517           do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1518           got_cross_cc=yes
1519           break
1520         fi
1521         ;;
1522       *)
1523         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1524           build_static=y
1525           got_cross_cc=yes
1526           break
1527         fi
1528         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1529           build_static=
1530           got_cross_cc=yes
1531           break
1532         fi
1533         ;;
1534     esac
1535   done
1536   if test $got_cross_cc != yes; then
1537     build_static=
1538     target_cc=
1539     target_ccas=
1540     target_ar=
1541     target_as=
1542     target_ld=
1543     target_nm=
1544     target_objcopy=
1545     target_ranlib=
1546     target_strip=
1547   fi
1548   test -n "$target_cc"
1549 }
1550
1551 write_target_makefile() {
1552   echo "EXTRA_CFLAGS=$target_cflags"
1553   if test -z "$target_cc" && test -z "$target_as"; then
1554     test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1555     echo "$1: docker-image-$container_image" >> Makefile.prereqs
1556     if test -n "$container_cross_cc"; then
1557       echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1558       echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1559     fi
1560     echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1561     echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1562     echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1563     echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1564     echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1565     echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1566     echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1567   else
1568     if test -n "$target_cc"; then
1569       echo "CC=$target_cc"
1570       echo "CCAS=$target_ccas"
1571     fi
1572     if test -n "$target_ar"; then
1573       echo "AR=$target_ar"
1574     fi
1575     if test -n "$target_as"; then
1576       echo "AS=$target_as"
1577     fi
1578     if test -n "$target_ld"; then
1579       echo "LD=$target_ld"
1580     fi
1581     if test -n "$target_nm"; then
1582       echo "NM=$target_nm"
1583     fi
1584     if test -n "$target_objcopy"; then
1585       echo "OBJCOPY=$target_objcopy"
1586     fi
1587     if test -n "$target_ranlib"; then
1588       echo "RANLIB=$target_ranlib"
1589     fi
1590     if test -n "$target_strip"; then
1591       echo "STRIP=$target_strip"
1592     fi
1593   fi
1594 }
1595
1596 #######################################
1597 # cross-compiled firmware targets
1598
1599 # Set up build tree symlinks that point back into the source tree
1600 # (these can be both files and directories).
1601 # Caution: avoid adding files or directories here using wildcards. This
1602 # will result in problems later if a new file matching the wildcard is
1603 # added to the source tree -- nothing will cause configure to be rerun
1604 # so the build tree will be missing the link back to the new file, and
1605 # tests might fail. Prefer to keep the relevant files in their own
1606 # directory and symlink the directory instead.
1607 LINKS="Makefile"
1608 LINKS="$LINKS docs/config"
1609 LINKS="$LINKS pc-bios/optionrom/Makefile"
1610 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1611 LINKS="$LINKS pc-bios/vof/Makefile"
1612 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1613 LINKS="$LINKS tests/avocado tests/data"
1614 LINKS="$LINKS tests/qemu-iotests/check"
1615 LINKS="$LINKS python"
1616 LINKS="$LINKS contrib/plugins/Makefile "
1617 for f in $LINKS ; do
1618     if [ -e "$source_path/$f" ]; then
1619         symlink "$source_path/$f" "$f"
1620     fi
1621 done
1622
1623 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1624
1625 # Mac OS X ships with a broken assembler
1626 if have_target i386-softmmu x86_64-softmmu && \
1627         test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
1628         test "$targetos" != "haiku" && \
1629         probe_target_compiler i386-softmmu; then
1630     subdirs="$subdirs pc-bios/optionrom"
1631     config_mak=pc-bios/optionrom/config.mak
1632     echo "# Automatically generated by configure - do not modify" > $config_mak
1633     echo "TOPSRC_DIR=$source_path" >> $config_mak
1634     write_target_makefile >> $config_mak
1635 fi
1636
1637 if have_target ppc-softmmu ppc64-softmmu && \
1638         probe_target_compiler ppc-softmmu; then
1639     subdirs="$subdirs pc-bios/vof"
1640     config_mak=pc-bios/vof/config.mak
1641     echo "# Automatically generated by configure - do not modify" > $config_mak
1642     echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1643     write_target_makefile >> $config_mak
1644 fi
1645
1646 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1647 # (which is the lowest architecture level that Clang supports)
1648 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu && \
1649     GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" roms/SLOF >> config.log 2>&1; then
1650   write_c_skeleton
1651   do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1652   has_z900=$?
1653   if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1654     if [ $has_z900 != 0 ]; then
1655       echo "WARNING: Your compiler does not support the z900!"
1656       echo "         The s390-ccw bios will only work with guest CPUs >= z10."
1657     fi
1658     subdirs="$subdirs pc-bios/s390-ccw"
1659     config_mak=pc-bios/s390-ccw/config-host.mak
1660     echo "# Automatically generated by configure - do not modify" > $config_mak
1661     echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1662     echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_mak
1663     write_target_makefile >> $config_mak
1664   fi
1665 fi
1666
1667 #######################################
1668 # generate config-host.mak
1669
1670 config_host_mak="config-host.mak"
1671
1672 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1673 echo >> $config_host_mak
1674
1675 echo all: >> $config_host_mak
1676
1677 if test "$targetos" = "windows"; then
1678   echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak
1679   echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak
1680   echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak
1681 fi
1682
1683 echo "SRC_PATH=$source_path" >> $config_host_mak
1684 echo "TARGET_DIRS=$target_list" >> $config_host_mak
1685
1686 if test -n "$gdb_bin"; then
1687     gdb_version=$($gdb_bin --version | head -n 1)
1688     if version_ge ${gdb_version##* } 9.1; then
1689         echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1690         gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1691     else
1692         gdb_bin=""
1693     fi
1694 fi
1695
1696 if test "$container" != no; then
1697     echo "ENGINE=$container" >> $config_host_mak
1698     echo "RUNC=$runc" >> $config_host_mak
1699 fi
1700 echo "SUBDIRS=$subdirs" >> $config_host_mak
1701 echo "PYTHON=$python" >> $config_host_mak
1702 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1703 echo "MESON=$meson" >> $config_host_mak
1704 echo "NINJA=$ninja" >> $config_host_mak
1705 echo "EXESUF=$EXESUF" >> $config_host_mak
1706
1707 # use included Linux headers for KVM architectures
1708 if test "$targetos" = "linux" && test -n "$linux_arch"; then
1709   symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1710 fi
1711
1712 for target in $target_list; do
1713     target_dir="$target"
1714     target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
1715     case $target in
1716         *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
1717         *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
1718     esac
1719 done
1720
1721 if test "$default_targets" = "yes"; then
1722   echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1723 fi
1724
1725 if test "$ccache_cpp2" = "yes"; then
1726   echo "export CCACHE_CPP2=y" >> $config_host_mak
1727 fi
1728
1729 # contrib/plugins configuration
1730 echo "# Automatically generated by configure - do not modify" > contrib/plugins/$config_host_mak
1731 echo "SRC_PATH=$source_path/contrib/plugins" >> contrib/plugins/$config_host_mak
1732 echo "PKG_CONFIG=${pkg_config}" >> contrib/plugins/$config_host_mak
1733 echo "CC=$cc $CPU_CFLAGS" >> contrib/plugins/$config_host_mak
1734 echo "CFLAGS=${CFLAGS-$default_cflags} $EXTRA_CFLAGS" >> contrib/plugins/$config_host_mak
1735 if test "$targetos" = darwin; then
1736   echo "CONFIG_DARWIN=y" >> contrib/plugins/$config_host_mak
1737 fi
1738
1739 # tests/tcg configuration
1740 (config_host_mak=tests/tcg/config-host.mak
1741 mkdir -p tests/tcg
1742 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1743 echo "SRC_PATH=$source_path" >> $config_host_mak
1744
1745 # versioned checked in the main config_host.mak above
1746 if test -n "$gdb_bin"; then
1747     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1748 fi
1749 if test "$plugins" = "yes" ; then
1750     echo "CONFIG_PLUGIN=y" >> $config_host_mak
1751 fi
1752
1753 tcg_tests_targets=
1754 for target in $target_list; do
1755   arch=${target%%-*}
1756
1757   case $target in
1758     xtensa*-linux-user)
1759       # the toolchain is not complete with headers, only build system tests
1760       continue
1761       ;;
1762     *-softmmu)
1763       test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1764       qemu="qemu-system-$arch"
1765       ;;
1766     *-linux-user|*-bsd-user)
1767       qemu="qemu-$arch"
1768       ;;
1769   esac
1770
1771   if probe_target_compiler $target || test -n "$container_image"; then
1772       test -n "$container_image" && build_static=y
1773       mkdir -p "tests/tcg/$target"
1774       config_target_mak=tests/tcg/$target/config-target.mak
1775       ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1776       echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1777       echo "TARGET_NAME=$arch" >> "$config_target_mak"
1778       echo "TARGET=$target" >> "$config_target_mak"
1779       write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1780       echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1781       echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1782
1783       # will GDB work with these binaries?
1784       if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1785           echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak"
1786       fi
1787
1788       echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1789       tcg_tests_targets="$tcg_tests_targets $target"
1790   fi
1791 done
1792
1793 if test "$tcg" = "enabled"; then
1794     echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
1795 fi
1796 )
1797
1798 if test "$skip_meson" = no; then
1799   cross="config-meson.cross.new"
1800   meson_quote() {
1801     test $# = 0 && return
1802     echo "'$(echo $* | sed "s/ /','/g")'"
1803   }
1804
1805   echo "# Automatically generated by configure - do not modify" > $cross
1806   echo "[properties]" >> $cross
1807
1808   # unroll any custom device configs
1809   for a in $device_archs; do
1810       eval "c=\$devices_${a}"
1811       echo "${a}-softmmu = '$c'" >> $cross
1812   done
1813
1814   echo "[built-in options]" >> $cross
1815   echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1816   echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1817   test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1818   echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1819   echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1820   echo "[binaries]" >> $cross
1821   echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1822   test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1823   test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1824   echo "ar = [$(meson_quote $ar)]" >> $cross
1825   echo "nm = [$(meson_quote $nm)]" >> $cross
1826   echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1827   echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1828   if has $sdl2_config; then
1829     echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1830   fi
1831   echo "strip = [$(meson_quote $strip)]" >> $cross
1832   echo "widl = [$(meson_quote $widl)]" >> $cross
1833   echo "windres = [$(meson_quote $windres)]" >> $cross
1834   echo "windmc = [$(meson_quote $windmc)]" >> $cross
1835   if test "$cross_compile" = "yes"; then
1836     echo "[host_machine]" >> $cross
1837     echo "system = '$targetos'" >> $cross
1838     case "$cpu" in
1839         i386)
1840             echo "cpu_family = 'x86'" >> $cross
1841             ;;
1842         *)
1843             echo "cpu_family = '$cpu'" >> $cross
1844             ;;
1845     esac
1846     echo "cpu = '$cpu'" >> $cross
1847     if test "$bigendian" = "yes" ; then
1848         echo "endian = 'big'" >> $cross
1849     else
1850         echo "endian = 'little'" >> $cross
1851     fi
1852     cross_arg="--cross-file config-meson.cross"
1853
1854     native="config-meson.native.new"
1855     echo "# Automatically generated by configure - do not modify" > $native
1856     echo "[binaries]" >> $native
1857     echo "c = [$(meson_quote $host_cc)]" >> $native
1858     mv $native config-meson.native
1859     cross_arg="$cross_arg --native-file config-meson.native"
1860   else
1861     cross_arg="--native-file config-meson.cross"
1862   fi
1863   mv $cross config-meson.cross
1864
1865   rm -rf meson-private meson-info meson-logs
1866
1867   # Built-in options
1868   test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload"
1869   test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
1870   test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1871   test "$static" = yes && meson_option_add -Dprefer_static=true
1872   test "$pie" = no && meson_option_add -Db_pie=false
1873   test "$werror" = yes && meson_option_add -Dwerror=true
1874
1875   # QEMU options
1876   test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
1877   test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1878   test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1879   test "$plugins" = yes && meson_option_add "-Dplugins=true"
1880   test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
1881   test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
1882   test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1883   run_meson() {
1884     NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
1885   }
1886   eval run_meson $meson_options
1887   if test "$?" -ne 0 ; then
1888       error_exit "meson setup failed"
1889   fi
1890   echo "$meson" > build.ninja.stamp
1891 else
1892   if test -f meson-private/cmd_line.txt; then
1893     # Adjust old command line options that were removed
1894     # sed -i is not portable
1895     perl -i -ne '
1896       /^sphinx_build/ && next;
1897       print;' meson-private/cmd_line.txt
1898   fi
1899 fi
1900
1901 # Save the configure command line for later reuse.
1902 cat <<EOD >config.status
1903 #!/bin/sh
1904 # Generated by configure.
1905 # Run this file to recreate the current configuration.
1906 # Compiler output produced by configure, useful for debugging
1907 # configure, is in config.log if it exists.
1908 EOD
1909
1910 preserve_env() {
1911     envname=$1
1912
1913     eval envval=\$$envname
1914
1915     if test -n "$envval"
1916     then
1917         echo "$envname='$envval'" >> config.status
1918         echo "export $envname" >> config.status
1919     else
1920         echo "unset $envname" >> config.status
1921     fi
1922 }
1923
1924 # Preserve various env variables that influence what
1925 # features/build target configure will detect
1926 preserve_env AR
1927 preserve_env AS
1928 preserve_env CC
1929 preserve_env CFLAGS
1930 preserve_env CXX
1931 preserve_env CXXFLAGS
1932 preserve_env LD
1933 preserve_env LDFLAGS
1934 preserve_env LD_LIBRARY_PATH
1935 preserve_env NM
1936 preserve_env OBJCFLAGS
1937 preserve_env OBJCOPY
1938 preserve_env PATH
1939 preserve_env PKG_CONFIG
1940 preserve_env PKG_CONFIG_LIBDIR
1941 preserve_env PKG_CONFIG_PATH
1942 preserve_env PYTHON
1943 preserve_env QEMU_GA_MANUFACTURER
1944 preserve_env QEMU_GA_DISTRO
1945 preserve_env QEMU_GA_VERSION
1946 preserve_env SDL2_CONFIG
1947 preserve_env SMBD
1948 preserve_env STRIP
1949 preserve_env WIDL
1950 preserve_env WINDRES
1951 preserve_env WINDMC
1952
1953 printf "exec" >>config.status
1954 for i in "$0" "$@"; do
1955   test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
1956 done
1957 echo ' "$@"' >>config.status
1958 chmod +x config.status
1959
1960 rm -r "$TMPDIR1"