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
 249 git_submodules_action="update"
 250 git="git"
 251 debug_tcg="no"
 252 docs="auto"
 253 EXESUF=""
 254 prefix="/usr/local"
 255 qemu_suffix="qemu"
 256 softmmu="yes"
 257 linux_user=""
 258 bsd_user=""
 259 plugins="$default_feature"
 260 ninja=""
 261 python=
 262 download="enabled"
 263 bindir="bin"
 264 skip_meson=no
 265 use_containers="yes"
 266 gdb_bin=$(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}${cross_prefix}"; then
 291   cc="$host_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 mingw32="no"
 378 bsd="no"
 379 linux="no"
 380 solaris="no"
 381 case $targetos in
 382 windows)
 383   mingw32="yes"
 384   plugins="no"
 385   pie="no"
 386 ;;
 387 gnu/kfreebsd)
 388   bsd="yes"
 389 ;;
 390 freebsd)
 391   bsd="yes"
 392   # needed for kinfo_getvmmap(3) in libutil.h
 393 ;;
 394 dragonfly)
 395   bsd="yes"
 396 ;;
 397 netbsd)
 398   bsd="yes"
 399 ;;
 400 openbsd)
 401   bsd="yes"
 402 ;;
 403 darwin)
 404   bsd="yes"
 405   darwin="yes"
 406 ;;
 407 sunos)
 408   solaris="yes"
 409 ;;
 410 haiku)
 411   pie="no"
 412 ;;
 413 linux)
 414   linux="yes"
 415 ;;
 416 esac
 417
 418 if test ! -z "$cpu" ; then
 419   # command line argument
 420   :
 421 elif check_define __i386__ ; then
 422   cpu="i386"
 423 elif check_define __x86_64__ ; then
 424   if check_define __ILP32__ ; then
 425     cpu="x32"
 426   else
 427     cpu="x86_64"
 428   fi
 429 elif check_define __sparc__ ; then
 430   if check_define __arch64__ ; then
 431     cpu="sparc64"
 432   else
 433     cpu="sparc"
 434   fi
 435 elif check_define _ARCH_PPC ; then
 436   if check_define _ARCH_PPC64 ; then
 437     if check_define _LITTLE_ENDIAN ; then
 438       cpu="ppc64le"
 439     else
 440       cpu="ppc64"
 441     fi
 442   else
 443     cpu="ppc"
 444   fi
 445 elif check_define __mips__ ; then
 446   cpu="mips"
 447 elif check_define __s390__ ; then
 448   if check_define __s390x__ ; then
 449     cpu="s390x"
 450   else
 451     cpu="s390"
 452   fi
 453 elif check_define __riscv ; then
 454   if check_define _LP64 ; then
 455     cpu="riscv64"
 456   else
 457     cpu="riscv32"
 458   fi
 459 elif check_define __arm__ ; then
 460   cpu="arm"
 461 elif check_define __aarch64__ ; then
 462   cpu="aarch64"
 463 elif check_define __loongarch64 ; then
 464   cpu="loongarch64"
 465 else
 466   # Using uname is really broken, but it is just a fallback for architectures
 467   # that are going to use TCI anyway
 468   cpu=$(uname -m)
 469   echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
 470 fi
 471
 472 # Normalise host CPU name to the values used by Meson cross files and in source
 473 # directories, and set multilib cflags.  The canonicalization isn't really
 474 # necessary, because the architectures that we check for should not hit the
 475 # 'uname -m' case, but better safe than sorry in case --cpu= is used.
 476 #
 477 # Note that this case should only have supported host CPUs, not guests.
 478 # Please keep it sorted and synchronized with meson.build's host_arch.
 479 host_arch=
 480 linux_arch=
 481 case "$cpu" in
 482   aarch64)
 483     host_arch=aarch64
 484     linux_arch=arm64
 485     ;;
 486
 487   armv*b|armv*l|arm)
 488     cpu=arm
 489     host_arch=arm
 490     linux_arch=arm
 491     ;;
 492
 493   i386|i486|i586|i686)
 494     cpu="i386"
 495     host_arch=i386
 496     linux_arch=x86
 497     CPU_CFLAGS="-m32"
 498     ;;
 499
 500   loongarch*)
 501     cpu=loongarch64
 502     host_arch=loongarch64
 503     ;;
 504
 505   mips64*)
 506     cpu=mips64
 507     host_arch=mips
 508     linux_arch=mips
 509     ;;
 510   mips*)
 511     cpu=mips
 512     host_arch=mips
 513     linux_arch=mips
 514     ;;
 515
 516   ppc)
 517     host_arch=ppc
 518     linux_arch=powerpc
 519     CPU_CFLAGS="-m32"
 520     ;;
 521   ppc64)
 522     host_arch=ppc64
 523     linux_arch=powerpc
 524     CPU_CFLAGS="-m64 -mbig-endian"
 525     ;;
 526   ppc64le)
 527     cpu=ppc64
 528     host_arch=ppc64
 529     linux_arch=powerpc
 530     CPU_CFLAGS="-m64 -mlittle-endian"
 531     ;;
 532
 533   riscv32 | riscv64)
 534     host_arch=riscv
 535     linux_arch=riscv
 536     ;;
 537
 538   s390)
 539     linux_arch=s390
 540     CPU_CFLAGS="-m31"
 541     ;;
 542   s390x)
 543     host_arch=s390x
 544     linux_arch=s390
 545     CPU_CFLAGS="-m64"
 546     ;;
 547
 548   sparc|sun4[cdmuv])
 549     cpu=sparc
 550     CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
 551     ;;
 552   sparc64)
 553     host_arch=sparc64
 554     CPU_CFLAGS="-m64 -mcpu=ultrasparc"
 555     ;;
 556
 557   x32)
 558     cpu="x86_64"
 559     host_arch=x86_64
 560     linux_arch=x86
 561     CPU_CFLAGS="-mx32"
 562     ;;
 563   x86_64|amd64)
 564     cpu="x86_64"
 565     host_arch=x86_64
 566     linux_arch=x86
 567     # ??? Only extremely old AMD cpus do not have cmpxchg16b.
 568     # If we truly care, we should simply detect this case at
 569     # runtime and generate the fallback to serial emulation.
 570     CPU_CFLAGS="-m64 -mcx16"
 571     ;;
 572 esac
 573
 574 if test -n "$host_arch" && {
 575     ! test -d "$source_path/linux-user/include/host/$host_arch" ||
 576     ! test -d "$source_path/common-user/host/$host_arch"; }; then
 577     error_exit "linux-user/include/host/$host_arch does not exist." \
 578        "This is a bug in the configure script, please report it."
 579 fi
 580 if test -n "$linux_arch" && ! test -d "$source_path/linux-headers/asm-$linux_arch"; then
 581     error_exit "linux-headers/asm-$linux_arch does not exist." \
 582        "This is a bug in the configure script, please report it."
 583 fi
 584
 585 check_py_version() {
 586     # We require python >= 3.7.
 587     # NB: a True python conditional creates a non-zero return code (Failure)
 588     "$1" -c 'import sys; sys.exit(sys.version_info < (3,7))'
 589 }
 590
 591 first_python=
 592 if test -z "${PYTHON}"; then
 593     # A bare 'python' is traditionally python 2.x, but some distros
 594     # have it as python 3.x, so check in both places.
 595     for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7; do
 596         if has "$binary"; then
 597             python=$(command -v "$binary")
 598             if check_py_version "$python"; then
 599                 # This one is good.
 600                 first_python=
 601                 break
 602             else
 603                 first_python=$python
 604             fi
 605         fi
 606     done
 607 else
 608     # Same as above, but only check the environment variable.
 609     has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
 610     python=$(command -v "$PYTHON")
 611     if check_py_version "$python"; then
 612         # This one is good.
 613         first_python=
 614     else
 615         first_python=$first_python
 616     fi
 617 fi
 618
 619 # Check for ancillary tools used in testing
 620 genisoimage=
 621 for binary in genisoimage mkisofs
 622 do
 623     if has $binary
 624     then
 625         genisoimage=$(command -v "$binary")
 626         break
 627     fi
 628 done
 629
 630 if test "$mingw32" = "yes" ; then
 631   EXESUF=".exe"
 632   prefix="/qemu"
 633   bindir=""
 634   qemu_suffix=""
 635 fi
 636
 637 meson_option_build_array() {
 638   printf '['
 639   (if test "$targetos" = windows; then
 640     IFS=\;
 641   else
 642     IFS=:
 643   fi
 644   for e in $1; do
 645     printf '"""'
 646     # backslash escape any '\' and '"' characters
 647     printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
 648     printf '""",'
 649   done)
 650   printf ']\n'
 651 }
 652
 653 . "$source_path/scripts/meson-buildoptions.sh"
 654
 655 meson_options=
 656 meson_option_add() {
 657   meson_options="$meson_options $(quote_sh "$1")"
 658 }
 659 meson_option_parse() {
 660   meson_options="$meson_options $(_meson_option_parse "$@")"
 661   if test $? -eq 1; then
 662     echo "ERROR: unknown option $1"
 663     echo "Try '$0 --help' for more information"
 664     exit 1
 665   fi
 666 }
 667
 668 for opt do
 669   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 670   case "$opt" in
 671   --help|-h) show_help=yes
 672   ;;
 673   --version|-V) exec cat "$source_path/VERSION"
 674   ;;
 675   --prefix=*) prefix="$optarg"
 676   ;;
 677   --cross-prefix=*)
 678   ;;
 679   --cc=*)
 680   ;;
 681   --host-cc=*) host_cc="$optarg"
 682   ;;
 683   --cxx=*)
 684   ;;
 685   --objcc=*)
 686   ;;
 687   --make=*)
 688   ;;
 689   --install=*)
 690   ;;
 691   --python=*) python="$optarg"
 692   ;;
 693   --skip-meson) skip_meson=yes
 694   ;;
 695   --ninja=*) ninja="$optarg"
 696   ;;
 697   --smbd=*) smbd="$optarg"
 698   ;;
 699   --extra-cflags=*)
 700   ;;
 701   --extra-cxxflags=*)
 702   ;;
 703   --extra-objcflags=*)
 704   ;;
 705   --extra-ldflags=*)
 706   ;;
 707   --cross-cc-*)
 708   ;;
 709   --cross-prefix-*)
 710   ;;
 711   --enable-docs) docs=enabled
 712   ;;
 713   --disable-docs) docs=disabled
 714   ;;
 715   --cpu=*)
 716   ;;
 717   --target-list=*) target_list="$optarg"
 718                    if test "$target_list_exclude"; then
 719                        error_exit "Can't mix --target-list with --target-list-exclude"
 720                    fi
 721   ;;
 722   --target-list-exclude=*) target_list_exclude="$optarg"
 723                    if test "$target_list"; then
 724                        error_exit "Can't mix --target-list-exclude with --target-list"
 725                    fi
 726   ;;
 727   --with-default-devices) meson_option_add -Ddefault_devices=true
 728   ;;
 729   --without-default-devices) meson_option_add -Ddefault_devices=false
 730   ;;
 731   --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
 732   ;;
 733   --with-devices-*) device_arch=${opt#--with-devices-};
 734                     device_arch=${device_arch%%=*}
 735                     cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
 736                     if test -f "$cf"; then
 737                         device_archs="$device_archs $device_arch"
 738                         eval "devices_${device_arch}=\$optarg"
 739                     else
 740                         error_exit "File $cf does not exist"
 741                     fi
 742   ;;
 743   --without-default-features) # processed above
 744   ;;
 745   --static) static="yes"
 746   ;;
 747   --bindir=*) bindir="$optarg"
 748   ;;
 749   --with-suffix=*) qemu_suffix="$optarg"
 750   ;;
 751   --host=*|--build=*|\
 752   --disable-dependency-tracking|\
 753   --sbindir=*|--sharedstatedir=*|\
 754   --oldincludedir=*|--datarootdir=*|--infodir=*|\
 755   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 756     # These switches are silently ignored, for compatibility with
 757     # autoconf-generated configure scripts. This allows QEMU's
 758     # configure to be used by RPM and similar macros that set
 759     # lots of directory switches by default.
 760   ;;
 761   --enable-debug-tcg) debug_tcg="yes"
 762   ;;
 763   --disable-debug-tcg) debug_tcg="no"
 764   ;;
 765   --enable-debug)
 766       # Enable debugging options that aren't excessively noisy
 767       debug_tcg="yes"
 768       meson_option_parse --enable-debug-graph-lock ""
 769       meson_option_parse --enable-debug-mutex ""
 770       meson_option_add -Doptimization=0
 771   ;;
 772   --disable-tcg) tcg="disabled"
 773                  plugins="no"
 774   ;;
 775   --enable-tcg) tcg="enabled"
 776   ;;
 777   --disable-system) softmmu="no"
 778   ;;
 779   --enable-system) softmmu="yes"
 780   ;;
 781   --disable-user)
 782       linux_user="no" ;
 783       bsd_user="no" ;
 784   ;;
 785   --enable-user) ;;
 786   --disable-linux-user) linux_user="no"
 787   ;;
 788   --enable-linux-user) linux_user="yes"
 789   ;;
 790   --disable-bsd-user) bsd_user="no"
 791   ;;
 792   --enable-bsd-user) bsd_user="yes"
 793   ;;
 794   --enable-pie) pie="yes"
 795   ;;
 796   --disable-pie) pie="no"
 797   ;;
 798   --enable-werror) werror="yes"
 799   ;;
 800   --disable-werror) werror="no"
 801   ;;
 802   --enable-cfi)
 803       cfi="true";
 804       meson_option_add -Db_lto=true
 805   ;;
 806   --disable-cfi) cfi="false"
 807   ;;
 808   --disable-download) download="disabled"; git_submodules_action=validate;
 809   ;;
 810   --enable-download) download="enabled"; git_submodules_action=update;
 811   ;;
 812   --enable-plugins) if test "$mingw32" = "yes"; then
 813                         error_exit "TCG plugins not currently supported on Windows platforms"
 814                     else
 815                         plugins="yes"
 816                     fi
 817   ;;
 818   --disable-plugins) plugins="no"
 819   ;;
 820   --enable-containers) use_containers="yes"
 821   ;;
 822   --disable-containers) use_containers="no"
 823   ;;
 824   --gdb=*) gdb_bin="$optarg"
 825   ;;
 826   # everything else has the same name in configure and meson
 827   --*) meson_option_parse "$opt" "$optarg"
 828   ;;
 829   # Pass through -Dxxxx options to meson
 830   -D*) meson_options="$meson_options $opt"
 831   ;;
 832   esac
 833 done
 834
 835 if ! test -e "$source_path/.git"
 836 then
 837     git_submodules_action="validate"
 838 fi
 839
 840 # test for any invalid configuration combinations
 841 if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
 842     error_exit "Can't enable plugins on non-TCG builds"
 843 fi
 844
 845 if ! test -f "$source_path/subprojects/keycodemapdb/README" \
 846     && test "$download" = disabled
 847 then
 848     echo
 849     echo "ERROR: missing subprojects"
 850     echo
 851     if test -e "$source_path/.git"; then
 852         echo "--disable-download specified but subprojects were not"
 853         echo 'checked out.  Please invoke "meson subprojects download"'
 854         echo "before configuring QEMU, or remove --disable-download"
 855         echo "from the command line."
 856     else
 857         echo "This is not a GIT checkout but subproject content appears to"
 858         echo "be missing. Do not use 'git archive' or GitHub download links"
 859         echo "to acquire QEMU source archives. Non-GIT builds are only"
 860         echo "supported with source archives linked from:"
 861         echo
 862         echo "  https://www.qemu.org/download/#source"
 863         echo
 864         echo "Developers working with GIT can use scripts/archive-source.sh"
 865         echo "if they need to create valid source archives."
 866     fi
 867     echo
 868     exit 1
 869 fi
 870
 871 default_target_list=""
 872 mak_wilds=""
 873
 874 if [ "$linux_user" != no ]; then
 875     if [ "$targetos" = linux ] && [ -n "$host_arch" ]; then
 876         linux_user=yes
 877     elif [ "$linux_user" = yes ]; then
 878         error_exit "linux-user not supported on this architecture"
 879     fi
 880 fi
 881 if [ "$bsd_user" != no ]; then
 882     if [ "$bsd_user" = "" ]; then
 883         test $targetos = freebsd && bsd_user=yes
 884     fi
 885     if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
 886         error_exit "bsd-user not supported on this host OS"
 887     fi
 888 fi
 889 if [ "$softmmu" = "yes" ]; then
 890     mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
 891 fi
 892 if [ "$linux_user" = "yes" ]; then
 893     mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
 894 fi
 895 if [ "$bsd_user" = "yes" ]; then
 896     mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
 897 fi
 898
 899 for config in $mak_wilds; do
 900     target="$(basename "$config" .mak)"
 901     if echo "$target_list_exclude" | grep -vq "$target"; then
 902         default_target_list="${default_target_list} $target"
 903     fi
 904 done
 905
 906 if test x"$show_help" = x"yes" ; then
 907 cat << EOF
 908
 909 Usage: configure [options]
 910 Options: [defaults in brackets after descriptions]
 911
 912 Standard options:
 913   --help                   print this message
 914   --prefix=PREFIX          install in PREFIX [$prefix]
 915   --target-list=LIST       set target list (default: build all)
 916 $(echo Available targets: $default_target_list | \
 917   fold -s -w 53 | sed -e 's/^/                           /')
 918   --target-list-exclude=LIST exclude a set of targets from the default target-list
 919
 920 Advanced options (experts only):
 921   -Dmesonoptname=val       passthrough option to meson unmodified
 922   --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
 923   --cc=CC                  use C compiler CC [$cc]
 924   --host-cc=CC             use C compiler CC [$host_cc] for code run at
 925                            build time
 926   --cxx=CXX                use C++ compiler CXX [$cxx]
 927   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
 928   --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
 929   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
 930   --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
 931   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
 932   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
 933   --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
 934   --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
 935   --python=PYTHON          use specified python [$python]
 936   --ninja=NINJA            use specified ninja [$ninja]
 937   --smbd=SMBD              use specified smbd [$smbd]
 938   --static                 enable static build [$static]
 939   --bindir=PATH            install binaries in PATH
 940   --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
 941   --without-default-features default all --enable-* options to "disabled"
 942   --without-default-devices  do not include any device that is not needed to
 943                            start the emulator (only use if you are including
 944                            desired devices in configs/devices/)
 945   --with-devices-ARCH=NAME override default configs/devices
 946   --enable-debug           enable common debug build options
 947   --disable-werror         disable compilation abort on warning
 948   --cpu=CPU                Build for host CPU [$cpu]
 949   --enable-plugins
 950                            enable plugins via shared library loading
 951   --disable-containers     don't use containers for cross-building
 952   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
 953 EOF
 954   meson_options_help
 955 cat << EOF
 956   system          all system emulation targets
 957   user            supported user emulation targets
 958   linux-user      all linux usermode emulation targets
 959   bsd-user        all BSD usermode emulation targets
 960   pie             Position Independent Executables
 961   debug-tcg       TCG debugging (default is disabled)
 962
 963 NOTE: The object files are built at the place where configure is launched
 964 EOF
 965 exit 0
 966 fi
 967
 968 # Remove old dependency files to make sure that they get properly regenerated
 969 rm -f ./*/config-devices.mak.d
 970
 971 if test -z "$python"
 972 then
 973     # If first_python is set, there was a binary somewhere even though
 974     # it was not suitable.  Use it for the error message.
 975     if test -n "$first_python"; then
 976         error_exit "Cannot use '$first_python', Python >= 3.7 is required." \
 977             "Use --python=/path/to/python to specify a supported Python."
 978     else
 979         error_exit "Python not found. Use --python=/path/to/python"
 980     fi
 981 fi
 982
 983 if ! check_py_version "$python"; then
 984   error_exit "Cannot use '$python', Python >= 3.7 is required." \
 985              "Use --python=/path/to/python to specify a supported Python." \
 986              "Maybe try:" \
 987              "  openSUSE Leap 15.3+: zypper install python39" \
 988              "  CentOS 8: dnf install python38"
 989 fi
 990
 991 # Resolve PATH
 992 python="$(command -v "$python")"
 993
 994 # Create a Python virtual environment using our configured python.
 995 # The stdout of this script will be the location of a symlink that
 996 # points to the configured Python.
 997 # Entry point scripts for pip, meson, and sphinx are generated if those
 998 # packages are present.
 999
1000 # Defaults assumed for now:
1001 # - venv is cleared if it exists already;
1002 # - venv is allowed to use system packages;
1003 # - all setup can be performed offline;
1004 # - missing packages may be fetched from PyPI,
1005 #   unless --disable-download is passed.
1006 # - pip is not installed into the venv when possible,
1007 #   but ensurepip is called as a fallback when necessary.
1008
1009 echo "python determined to be '$python'"
1010 echo "python version: $($python --version)"
1011
1012 python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
1013 if test "$?" -ne 0 ; then
1014     error_exit "python venv creation failed"
1015 fi
1016
1017 # Suppress writing compiled files
1018 python="$python -B"
1019 mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
1020
1021 # Finish preparing the virtual environment using vendored .whl files
1022
1023 if $python -c 'import sys; sys.exit(sys.version_info >= (3,11))'; then
1024     $mkvenv ensure --dir "${source_path}/python/wheels" \
1025         'tomli>=1.2.0' || exit 1
1026 fi
1027 $mkvenv ensuregroup --dir "${source_path}/python/wheels" \
1028      ${source_path}/pythondeps.toml meson || exit 1
1029
1030 # At this point, we expect Meson to be installed and available.
1031 # We expect mkvenv or pip to have created pyvenv/bin/meson for us.
1032 # We ignore PATH completely here: we want to use the venv's Meson
1033 # *exclusively*.
1034
1035 meson="$(cd pyvenv/bin; pwd)/meson"
1036
1037 # Conditionally ensure Sphinx is installed.
1038
1039 mkvenv_flags=""
1040 if test "$download" = "enabled" -a "$docs" = "enabled" ; then
1041     mkvenv_flags="--online"
1042 fi
1043
1044 if test "$docs" != "disabled" ; then
1045     if ! $mkvenv ensuregroup \
1046          $mkvenv_flags \
1047          ${source_path}/pythondeps.toml docs;
1048     then
1049         if test "$docs" = "enabled" ; then
1050             exit 1
1051         fi
1052         echo "Sphinx not found/usable, disabling docs."
1053         docs=disabled
1054     else
1055         docs=enabled
1056     fi
1057 fi
1058
1059 # Probe for ninja
1060
1061 if test -z "$ninja"; then
1062     for c in ninja ninja-build samu; do
1063         if has $c; then
1064             ninja=$(command -v "$c")
1065             break
1066         fi
1067     done
1068     if test -z "$ninja"; then
1069       error_exit "Cannot find Ninja"
1070     fi
1071 fi
1072
1073 # Consult white-list to determine whether to enable werror
1074 # by default.  Only enable by default for git builds
1075 if test -z "$werror" ; then
1076     if test -e "$source_path/.git" && \
1077         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1078         werror="yes"
1079     else
1080         werror="no"
1081     fi
1082 fi
1083
1084 if test "$targetos" = "bogus"; then
1085     # Now that we know that we're not printing the help and that
1086     # the compiler works (so the results of the check_defines we used
1087     # to identify the OS are reliable), if we didn't recognize the
1088     # host OS we should stop now.
1089     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1090 fi
1091
1092 if test "$static" = "yes" ; then
1093   if test "$plugins" = "yes"; then
1094     error_exit "static and plugins are mutually incompatible"
1095   else
1096     plugins="no"
1097   fi
1098 fi
1099 test "$plugins" = "" && plugins=yes
1100
1101 cat > $TMPC << EOF
1102
1103 #ifdef __linux__
1104 #  define THREAD __thread
1105 #else
1106 #  define THREAD
1107 #endif
1108 static THREAD int tls_var;
1109 int main(void) { return tls_var; }
1110 EOF
1111
1112 if test "$static" = "yes"; then
1113   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1114     pie="yes"
1115   elif test "$pie" = "yes"; then
1116     error_exit "-static-pie not available due to missing toolchain support"
1117   else
1118     pie="no"
1119   fi
1120 elif test "$pie" != "no"; then
1121   if compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1122     pie="yes"
1123   elif test "$pie" = "yes"; then
1124     error_exit "PIE not available due to missing toolchain support"
1125   else
1126     echo "Disabling PIE due to missing toolchain support"
1127     pie="no"
1128   fi
1129 fi
1130
1131 ##########################################
1132
1133 if test -z "${target_list+xxx}" ; then
1134     default_targets=yes
1135     for target in $default_target_list; do
1136         target_list="$target_list $target"
1137     done
1138     target_list="${target_list# }"
1139 else
1140     default_targets=no
1141     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1142     for target in $target_list; do
1143         # Check that we recognised the target name; this allows a more
1144         # friendly error message than if we let it fall through.
1145         case " $default_target_list " in
1146             *" $target "*)
1147                 ;;
1148             *)
1149                 error_exit "Unknown target name '$target'"
1150                 ;;
1151         esac
1152     done
1153 fi
1154
1155 # see if system emulation was really requested
1156 case " $target_list " in
1157   *"-softmmu "*) softmmu=yes
1158   ;;
1159   *) softmmu=no
1160   ;;
1161 esac
1162
1163 if test "$tcg" = "auto"; then
1164   if test -z "$target_list"; then
1165     tcg="disabled"
1166   else
1167     tcg="enabled"
1168   fi
1169 fi
1170
1171 ##########################################
1172 # big/little endian test
1173 cat > $TMPC << EOF
1174 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1175 # error LITTLE
1176 #endif
1177 int main(void) { return 0; }
1178 EOF
1179
1180 if ! compile_prog ; then
1181   bigendian="no"
1182 else
1183   cat > $TMPC << EOF
1184 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1185 # error BIG
1186 #endif
1187 int main(void) { return 0; }
1188 EOF
1189
1190   if ! compile_prog ; then
1191     bigendian="yes"
1192   else
1193     echo big/little test failed
1194     exit 1
1195   fi
1196 fi
1197
1198 ########################################
1199 # check if ccache is interfering with
1200 # semantic analysis of macros
1201
1202 unset CCACHE_CPP2
1203 ccache_cpp2=no
1204 cat > $TMPC << EOF
1205 static const int Z = 1;
1206 #define fn() ({ Z; })
1207 #define TAUT(X) ((X) == Z)
1208 #define PAREN(X, Y) (X == Y)
1209 #define ID(X) (X)
1210 int main(void)
1211 {
1212     int x = 0, y = 0;
1213     x = ID(x);
1214     x = fn();
1215     fn();
1216     if (PAREN(x, y)) return 0;
1217     if (TAUT(Z)) return 0;
1218     return 0;
1219 }
1220 EOF
1221
1222 if ! compile_object "-Werror"; then
1223     ccache_cpp2=yes
1224 fi
1225
1226 ##########################################
1227 # functions to probe cross compilers
1228
1229 container="no"
1230 runc=""
1231 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1232     case $($python "$source_path"/tests/docker/docker.py probe) in
1233         *docker) container=docker ;;
1234         podman) container=podman ;;
1235         no) container=no ;;
1236     esac
1237     if test "$container" != "no"; then
1238         docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1239         runc=$($python "$source_path"/tests/docker/docker.py probe)
1240     fi
1241 fi
1242
1243 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1244 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1245 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1246 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1247 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1248 : ${cross_prefix_armeb="$cross_prefix_arm"}
1249 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1250 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1251 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1252 : ${cross_prefix_i386="i686-linux-gnu-"}
1253 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1254 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1255 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1256 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1257 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1258 : ${cross_prefix_mips="mips-linux-gnu-"}
1259 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1260 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1261 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1262 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1263 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1264 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1265 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1266 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1267 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1268 : ${cross_prefix_tricore="tricore-"}
1269 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1270
1271 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1272 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1273 : ${cross_cc_armeb="$cross_cc_arm"}
1274 : ${cross_cc_cflags_armeb="-mbig-endian"}
1275 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1276 : ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1277 : ${cross_cc_cflags_i386="-m32"}
1278 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1279 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1280 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1281 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1282 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1283 : ${cross_cc_sparc="$cross_cc_sparc64"}
1284 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1285 : ${cross_cc_cflags_x86_64="-m64"}
1286
1287 compute_target_variable() {
1288   eval "$2="
1289   if eval test -n "\"\${cross_prefix_$1}\""; then
1290     if eval has "\"\${cross_prefix_$1}\$3\""; then
1291       eval "$2=\"\${cross_prefix_$1}\$3\""
1292     fi
1293   fi
1294 }
1295
1296 have_target() {
1297   for i; do
1298     case " $target_list " in
1299       *" $i "*) return 0;;
1300       *) ;;
1301     esac
1302   done
1303   return 1
1304 }
1305
1306 # probe_target_compiler TARGET
1307 #
1308 # Look for a compiler for the given target, either native or cross.
1309 # Set variables target_* if a compiler is found, and container_cross_*
1310 # if a Docker-based cross-compiler image is known for the target.
1311 # Set got_cross_cc to yes/no depending on whether a non-container-based
1312 # compiler was found.
1313 #
1314 # If TARGET is a user-mode emulation target, also set build_static to
1315 # "y" if static linking is possible.
1316 #
1317 probe_target_compiler() {
1318   # reset all output variables
1319   got_cross_cc=no
1320   container_image=
1321   container_hosts=
1322   container_cross_cc=
1323   container_cross_ar=
1324   container_cross_as=
1325   container_cross_ld=
1326   container_cross_nm=
1327   container_cross_objcopy=
1328   container_cross_ranlib=
1329   container_cross_strip=
1330
1331   target_arch=${1%%-*}
1332   case $target_arch in
1333     aarch64) container_hosts="x86_64 aarch64" ;;
1334     alpha) container_hosts=x86_64 ;;
1335     arm) container_hosts="x86_64 aarch64" ;;
1336     cris) container_hosts=x86_64 ;;
1337     hexagon) container_hosts=x86_64 ;;
1338     hppa) container_hosts=x86_64 ;;
1339     i386) container_hosts=x86_64 ;;
1340     loongarch64) container_hosts=x86_64 ;;
1341     m68k) container_hosts=x86_64 ;;
1342     microblaze) container_hosts=x86_64 ;;
1343     mips64el) container_hosts=x86_64 ;;
1344     mips64) container_hosts=x86_64 ;;
1345     mipsel) container_hosts=x86_64 ;;
1346     mips) container_hosts=x86_64 ;;
1347     nios2) container_hosts=x86_64 ;;
1348     ppc) container_hosts=x86_64 ;;
1349     ppc64|ppc64le) container_hosts=x86_64 ;;
1350     riscv64) container_hosts=x86_64 ;;
1351     s390x) container_hosts=x86_64 ;;
1352     sh4) container_hosts=x86_64 ;;
1353     sparc64) container_hosts=x86_64 ;;
1354     tricore) container_hosts=x86_64 ;;
1355     x86_64) container_hosts="aarch64 ppc64le x86_64" ;;
1356     xtensa*) container_hosts=x86_64 ;;
1357   esac
1358
1359   for host in $container_hosts; do
1360     test "$container" != no || continue
1361     test "$host" = "$cpu" || continue
1362     case $target_arch in
1363       aarch64)
1364         # We don't have any bigendian build tools so we only use this for AArch64
1365         container_image=debian-arm64-cross
1366         container_cross_prefix=aarch64-linux-gnu-
1367         container_cross_cc=${container_cross_prefix}gcc-10
1368         ;;
1369       alpha)
1370         container_image=debian-alpha-cross
1371         container_cross_prefix=alpha-linux-gnu-
1372         ;;
1373       arm)
1374         # We don't have any bigendian build tools so we only use this for ARM
1375         container_image=debian-armhf-cross
1376         container_cross_prefix=arm-linux-gnueabihf-
1377         ;;
1378       cris)
1379         container_image=fedora-cris-cross
1380         container_cross_prefix=cris-linux-gnu-
1381         ;;
1382       hexagon)
1383         container_image=debian-hexagon-cross
1384         container_cross_prefix=hexagon-unknown-linux-musl-
1385         container_cross_cc=${container_cross_prefix}clang
1386         ;;
1387       hppa)
1388         container_image=debian-hppa-cross
1389         container_cross_prefix=hppa-linux-gnu-
1390         ;;
1391       i386)
1392         container_image=fedora-i386-cross
1393         container_cross_prefix=
1394         ;;
1395       loongarch64)
1396         container_image=debian-loongarch-cross
1397         container_cross_prefix=loongarch64-unknown-linux-gnu-
1398         ;;
1399       m68k)
1400         container_image=debian-m68k-cross
1401         container_cross_prefix=m68k-linux-gnu-
1402         ;;
1403       microblaze)
1404         container_image=debian-microblaze-cross
1405         container_cross_prefix=microblaze-linux-musl-
1406         ;;
1407       mips64el)
1408         container_image=debian-mips64el-cross
1409         container_cross_prefix=mips64el-linux-gnuabi64-
1410         ;;
1411       mips64)
1412         container_image=debian-mips64-cross
1413         container_cross_prefix=mips64-linux-gnuabi64-
1414         ;;
1415       mipsel)
1416         container_image=debian-mipsel-cross
1417         container_cross_prefix=mipsel-linux-gnu-
1418         ;;
1419       mips)
1420         container_image=debian-mips-cross
1421         container_cross_prefix=mips-linux-gnu-
1422         ;;
1423       nios2)
1424         container_image=debian-nios2-cross
1425         container_cross_prefix=nios2-linux-gnu-
1426         ;;
1427       ppc)
1428         container_image=debian-powerpc-test-cross
1429         container_cross_prefix=powerpc-linux-gnu-
1430         container_cross_cc=${container_cross_prefix}gcc-10
1431         ;;
1432       ppc64|ppc64le)
1433         container_image=debian-powerpc-test-cross
1434         container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1435         container_cross_cc=${container_cross_prefix}gcc-10
1436         ;;
1437       riscv64)
1438         container_image=debian-riscv64-test-cross
1439         container_cross_prefix=riscv64-linux-gnu-
1440         ;;
1441       s390x)
1442         container_image=debian-s390x-cross
1443         container_cross_prefix=s390x-linux-gnu-
1444         ;;
1445       sh4)
1446         container_image=debian-sh4-cross
1447         container_cross_prefix=sh4-linux-gnu-
1448         ;;
1449       sparc64)
1450         container_image=debian-sparc64-cross
1451         container_cross_prefix=sparc64-linux-gnu-
1452         ;;
1453       tricore)
1454         container_image=debian-tricore-cross
1455         container_cross_prefix=tricore-
1456         ;;
1457       x86_64)
1458         container_image=debian-amd64-cross
1459         container_cross_prefix=x86_64-linux-gnu-
1460         ;;
1461       xtensa*)
1462         container_image=debian-xtensa-cross
1463
1464         # default to the dc232b cpu
1465         container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1466         ;;
1467     esac
1468     : ${container_cross_cc:=${container_cross_prefix}gcc}
1469     : ${container_cross_ar:=${container_cross_prefix}ar}
1470     : ${container_cross_as:=${container_cross_prefix}as}
1471     : ${container_cross_ld:=${container_cross_prefix}ld}
1472     : ${container_cross_nm:=${container_cross_prefix}nm}
1473     : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1474     : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1475     : ${container_cross_strip:=${container_cross_prefix}strip}
1476   done
1477
1478   try=cross
1479   case "$target_arch:$cpu" in
1480     aarch64_be:aarch64 | \
1481     armeb:arm | \
1482     i386:x86_64 | \
1483     mips*:mips64 | \
1484     ppc*:ppc64 | \
1485     sparc:sparc64 | \
1486     "$cpu:$cpu")
1487       try='native cross' ;;
1488   esac
1489   eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1490   for thistry in $try; do
1491     case $thistry in
1492     native)
1493       target_cc=$cc
1494       target_ccas=$ccas
1495       target_ar=$ar
1496       target_as=$as
1497       target_ld=$ld
1498       target_nm=$nm
1499       target_objcopy=$objcopy
1500       target_ranlib=$ranlib
1501       target_strip=$strip
1502       ;;
1503     cross)
1504       target_cc=
1505       if eval test -n "\"\${cross_cc_$target_arch}\""; then
1506         if eval has "\"\${cross_cc_$target_arch}\""; then
1507           eval "target_cc=\"\${cross_cc_$target_arch}\""
1508         fi
1509       else
1510         compute_target_variable $target_arch target_cc gcc
1511       fi
1512       target_ccas=$target_cc
1513       compute_target_variable $target_arch target_ar ar
1514       compute_target_variable $target_arch target_as as
1515       compute_target_variable $target_arch target_ld ld
1516       compute_target_variable $target_arch target_nm nm
1517       compute_target_variable $target_arch target_objcopy objcopy
1518       compute_target_variable $target_arch target_ranlib ranlib
1519       compute_target_variable $target_arch target_strip strip
1520       ;;
1521     esac
1522
1523     if test -n "$target_cc"; then
1524       case $target_arch in
1525         i386|x86_64)
1526           if $target_cc --version | grep -qi "clang"; then
1527             continue
1528           fi
1529           ;;
1530       esac
1531     elif test -n "$target_as" && test -n "$target_ld"; then
1532       # Special handling for assembler only targets
1533       case $target in
1534         tricore-softmmu)
1535           build_static=
1536           got_cross_cc=yes
1537           break
1538           ;;
1539         *)
1540           continue
1541           ;;
1542       esac
1543     else
1544       continue
1545     fi
1546
1547     write_c_skeleton
1548     case $1 in
1549       *-softmmu)
1550         if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1551           do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1552           got_cross_cc=yes
1553           break
1554         fi
1555         ;;
1556       *)
1557         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1558           build_static=y
1559           got_cross_cc=yes
1560           break
1561         fi
1562         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1563           build_static=
1564           got_cross_cc=yes
1565           break
1566         fi
1567         ;;
1568     esac
1569   done
1570   if test $got_cross_cc != yes; then
1571     build_static=
1572     target_cc=
1573     target_ccas=
1574     target_ar=
1575     target_as=
1576     target_ld=
1577     target_nm=
1578     target_objcopy=
1579     target_ranlib=
1580     target_strip=
1581   fi
1582   test -n "$target_cc"
1583 }
1584
1585 write_target_makefile() {
1586   echo "EXTRA_CFLAGS=$target_cflags"
1587   if test -z "$target_cc" && test -z "$target_as"; then
1588     test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1589     echo "$1: docker-image-$container_image" >> Makefile.prereqs
1590     if test -n "$container_cross_cc"; then
1591       echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1592       echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1593     fi
1594     echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1595     echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1596     echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1597     echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1598     echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1599     echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1600     echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1601   else
1602     if test -n "$target_cc"; then
1603       echo "CC=$target_cc"
1604       echo "CCAS=$target_ccas"
1605     fi
1606     if test -n "$target_ar"; then
1607       echo "AR=$target_ar"
1608     fi
1609     if test -n "$target_as"; then
1610       echo "AS=$target_as"
1611     fi
1612     if test -n "$target_ld"; then
1613       echo "LD=$target_ld"
1614     fi
1615     if test -n "$target_nm"; then
1616       echo "NM=$target_nm"
1617     fi
1618     if test -n "$target_objcopy"; then
1619       echo "OBJCOPY=$target_objcopy"
1620     fi
1621     if test -n "$target_ranlib"; then
1622       echo "RANLIB=$target_ranlib"
1623     fi
1624     if test -n "$target_strip"; then
1625       echo "STRIP=$target_strip"
1626     fi
1627   fi
1628 }
1629
1630 #######################################
1631 # cross-compiled firmware targets
1632
1633 # Set up build tree symlinks that point back into the source tree
1634 # (these can be both files and directories).
1635 # Caution: avoid adding files or directories here using wildcards. This
1636 # will result in problems later if a new file matching the wildcard is
1637 # added to the source tree -- nothing will cause configure to be rerun
1638 # so the build tree will be missing the link back to the new file, and
1639 # tests might fail. Prefer to keep the relevant files in their own
1640 # directory and symlink the directory instead.
1641 LINKS="Makefile"
1642 LINKS="$LINKS docs/config"
1643 LINKS="$LINKS pc-bios/optionrom/Makefile"
1644 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1645 LINKS="$LINKS pc-bios/vof/Makefile"
1646 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1647 LINKS="$LINKS tests/avocado tests/data"
1648 LINKS="$LINKS tests/qemu-iotests/check"
1649 LINKS="$LINKS python"
1650 LINKS="$LINKS contrib/plugins/Makefile "
1651 for f in $LINKS ; do
1652     if [ -e "$source_path/$f" ]; then
1653         symlink "$source_path/$f" "$f"
1654     fi
1655 done
1656
1657 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1658
1659 # Mac OS X ships with a broken assembler
1660 roms=
1661 if have_target i386-softmmu x86_64-softmmu && \
1662         test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
1663         test "$targetos" != "haiku" && \
1664         probe_target_compiler i386-softmmu; then
1665     roms="pc-bios/optionrom"
1666     config_mak=pc-bios/optionrom/config.mak
1667     echo "# Automatically generated by configure - do not modify" > $config_mak
1668     echo "TOPSRC_DIR=$source_path" >> $config_mak
1669     write_target_makefile >> $config_mak
1670 fi
1671
1672 if have_target ppc-softmmu ppc64-softmmu && \
1673         probe_target_compiler ppc-softmmu; then
1674     roms="$roms pc-bios/vof"
1675     config_mak=pc-bios/vof/config.mak
1676     echo "# Automatically generated by configure - do not modify" > $config_mak
1677     echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1678     write_target_makefile >> $config_mak
1679 fi
1680
1681 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1682 # (which is the lowest architecture level that Clang supports)
1683 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu && \
1684     GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" roms/SLOF >> config.log 2>&1; then
1685   write_c_skeleton
1686   do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1687   has_z900=$?
1688   if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1689     if [ $has_z900 != 0 ]; then
1690       echo "WARNING: Your compiler does not support the z900!"
1691       echo "         The s390-ccw bios will only work with guest CPUs >= z10."
1692     fi
1693     roms="$roms pc-bios/s390-ccw"
1694     config_mak=pc-bios/s390-ccw/config-host.mak
1695     echo "# Automatically generated by configure - do not modify" > $config_mak
1696     echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1697     echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_mak
1698     write_target_makefile >> $config_mak
1699   fi
1700 fi
1701
1702 #######################################
1703 # generate config-host.mak
1704
1705 config_host_mak="config-host.mak"
1706
1707 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1708 echo >> $config_host_mak
1709
1710 echo all: >> $config_host_mak
1711
1712 if test "$debug_tcg" = "yes" ; then
1713   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
1714 fi
1715 if test "$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
1720 else
1721   echo "CONFIG_POSIX=y" >> $config_host_mak
1722 fi
1723
1724 if test "$linux" = "yes" ; then
1725   echo "CONFIG_LINUX=y" >> $config_host_mak
1726 fi
1727
1728 if test "$darwin" = "yes" ; then
1729   echo "CONFIG_DARWIN=y" >> $config_host_mak
1730 fi
1731
1732 if test "$solaris" = "yes" ; then
1733   echo "CONFIG_SOLARIS=y" >> $config_host_mak
1734 fi
1735 echo "SRC_PATH=$source_path" >> $config_host_mak
1736 echo "TARGET_DIRS=$target_list" >> $config_host_mak
1737
1738 # XXX: suppress that
1739 if [ "$bsd" = "yes" ] ; then
1740   echo "CONFIG_BSD=y" >> $config_host_mak
1741 fi
1742
1743 if test "$plugins" = "yes" ; then
1744     echo "CONFIG_PLUGIN=y" >> $config_host_mak
1745 fi
1746
1747 if test -n "$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" $gdb_bin)
1752     else
1753         gdb_bin=""
1754     fi
1755 fi
1756
1757 if test "$container" != no; then
1758     echo "ENGINE=$container" >> $config_host_mak
1759     echo "RUNC=$runc" >> $config_host_mak
1760 fi
1761 echo "ROMS=$roms" >> $config_host_mak
1762 echo "PYTHON=$python" >> $config_host_mak
1763 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1764 echo "MESON=$meson" >> $config_host_mak
1765 echo "NINJA=$ninja" >> $config_host_mak
1766 echo "PKG_CONFIG=${pkg_config}" >> $config_host_mak
1767 echo "CC=$cc" >> $config_host_mak
1768 echo "EXESUF=$EXESUF" >> $config_host_mak
1769
1770 # use included Linux headers for KVM architectures
1771 if test "$linux" = "yes" && test -n "$linux_arch"; then
1772   symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1773 fi
1774
1775 for target in $target_list; do
1776     target_dir="$target"
1777     target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
1778     case $target in
1779         *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
1780         *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
1781     esac
1782 done
1783
1784 if test "$default_targets" = "yes"; then
1785   echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1786 fi
1787
1788 if test "$ccache_cpp2" = "yes"; then
1789   echo "export CCACHE_CPP2=y" >> $config_host_mak
1790 fi
1791
1792 # tests/tcg configuration
1793 (config_host_mak=tests/tcg/config-host.mak
1794 mkdir -p tests/tcg
1795 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1796 echo "SRC_PATH=$source_path" >> $config_host_mak
1797 echo "HOST_CC=$host_cc" >> $config_host_mak
1798
1799 # versioned checked in the main config_host.mak above
1800 if test -n "$gdb_bin"; then
1801     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1802 fi
1803 if test "$plugins" = "yes" ; then
1804     echo "CONFIG_PLUGIN=y" >> $config_host_mak
1805 fi
1806
1807 tcg_tests_targets=
1808 for target in $target_list; do
1809   arch=${target%%-*}
1810
1811   case $target in
1812     xtensa*-linux-user)
1813       # the toolchain is not complete with headers, only build softmmu tests
1814       continue
1815       ;;
1816     *-softmmu)
1817       test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1818       qemu="qemu-system-$arch"
1819       ;;
1820     *-linux-user|*-bsd-user)
1821       qemu="qemu-$arch"
1822       ;;
1823   esac
1824
1825   if probe_target_compiler $target || test -n "$container_image"; then
1826       test -n "$container_image" && build_static=y
1827       mkdir -p "tests/tcg/$target"
1828       config_target_mak=tests/tcg/$target/config-target.mak
1829       ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1830       echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1831       echo "TARGET_NAME=$arch" >> "$config_target_mak"
1832       echo "TARGET=$target" >> "$config_target_mak"
1833       write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1834       echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1835       echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1836
1837       # will GDB work with these binaries?
1838       if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1839           echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak"
1840       fi
1841
1842       echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1843       tcg_tests_targets="$tcg_tests_targets $target"
1844   fi
1845 done
1846
1847 if test "$tcg" = "enabled"; then
1848     echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
1849 fi
1850 )
1851
1852 if test "$skip_meson" = no; then
1853   cross="config-meson.cross.new"
1854   meson_quote() {
1855     test $# = 0 && return
1856     echo "'$(echo $* | sed "s/ /','/g")'"
1857   }
1858
1859   echo "# Automatically generated by configure - do not modify" > $cross
1860   echo "[properties]" >> $cross
1861
1862   # unroll any custom device configs
1863   for a in $device_archs; do
1864       eval "c=\$devices_${a}"
1865       echo "${a}-softmmu = '$c'" >> $cross
1866   done
1867
1868   echo "[built-in options]" >> $cross
1869   echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1870   echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1871   test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1872   echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1873   echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1874   echo "[binaries]" >> $cross
1875   echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1876   test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1877   test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1878   echo "ar = [$(meson_quote $ar)]" >> $cross
1879   echo "nm = [$(meson_quote $nm)]" >> $cross
1880   echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1881   echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1882   if has $sdl2_config; then
1883     echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1884   fi
1885   echo "strip = [$(meson_quote $strip)]" >> $cross
1886   echo "widl = [$(meson_quote $widl)]" >> $cross
1887   echo "windres = [$(meson_quote $windres)]" >> $cross
1888   echo "windmc = [$(meson_quote $windmc)]" >> $cross
1889   if test "$cross_compile" = "yes"; then
1890     cross_arg="--cross-file config-meson.cross"
1891     echo "[host_machine]" >> $cross
1892     echo "system = '$targetos'" >> $cross
1893     case "$cpu" in
1894         i386)
1895             echo "cpu_family = 'x86'" >> $cross
1896             ;;
1897         *)
1898             echo "cpu_family = '$cpu'" >> $cross
1899             ;;
1900     esac
1901     echo "cpu = '$cpu'" >> $cross
1902     if test "$bigendian" = "yes" ; then
1903         echo "endian = 'big'" >> $cross
1904     else
1905         echo "endian = 'little'" >> $cross
1906     fi
1907   else
1908     cross_arg="--native-file config-meson.cross"
1909   fi
1910   mv $cross config-meson.cross
1911
1912   rm -rf meson-private meson-info meson-logs
1913
1914   # Built-in options
1915   test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload"
1916   test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
1917   test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1918   test "$static" = yes && meson_option_add -Dprefer_static=true
1919   test "$pie" = no && meson_option_add -Db_pie=false
1920   test "$werror" = yes && meson_option_add -Dwerror=true
1921
1922   # QEMU options
1923   test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
1924   test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1925   test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1926   test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
1927   test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
1928   test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1929   run_meson() {
1930     NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
1931   }
1932   eval run_meson $meson_options
1933   if test "$?" -ne 0 ; then
1934       error_exit "meson setup failed"
1935   fi
1936   echo "$meson" > build.ninja.stamp
1937 else
1938   if test -f meson-private/cmd_line.txt; then
1939     # Adjust old command line options that were removed
1940     # sed -i is not portable
1941     perl -i -ne '
1942       /^sphinx_build/ && next;
1943       print;' meson-private/cmd_line.txt
1944   fi
1945 fi
1946
1947 # Save the configure command line for later reuse.
1948 cat <<EOD >config.status
1949 #!/bin/sh
1950 # Generated by configure.
1951 # Run this file to recreate the current configuration.
1952 # Compiler output produced by configure, useful for debugging
1953 # configure, is in config.log if it exists.
1954 EOD
1955
1956 preserve_env() {
1957     envname=$1
1958
1959     eval envval=\$$envname
1960
1961     if test -n "$envval"
1962     then
1963         echo "$envname='$envval'" >> config.status
1964         echo "export $envname" >> config.status
1965     else
1966         echo "unset $envname" >> config.status
1967     fi
1968 }
1969
1970 # Preserve various env variables that influence what
1971 # features/build target configure will detect
1972 preserve_env AR
1973 preserve_env AS
1974 preserve_env CC
1975 preserve_env CFLAGS
1976 preserve_env CXX
1977 preserve_env CXXFLAGS
1978 preserve_env LD
1979 preserve_env LDFLAGS
1980 preserve_env LD_LIBRARY_PATH
1981 preserve_env NM
1982 preserve_env OBJCFLAGS
1983 preserve_env OBJCOPY
1984 preserve_env PATH
1985 preserve_env PKG_CONFIG
1986 preserve_env PKG_CONFIG_LIBDIR
1987 preserve_env PKG_CONFIG_PATH
1988 preserve_env PYTHON
1989 preserve_env QEMU_GA_MANUFACTURER
1990 preserve_env QEMU_GA_DISTRO
1991 preserve_env QEMU_GA_VERSION
1992 preserve_env SDL2_CONFIG
1993 preserve_env SMBD
1994 preserve_env STRIP
1995 preserve_env WIDL
1996 preserve_env WINDRES
1997 preserve_env WINDMC
1998
1999 printf "exec" >>config.status
2000 for i in "$0" "$@"; do
2001   test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
2002 done
2003 echo ' "$@"' >>config.status
2004 chmod +x config.status
2005
2006 rm -r "$TMPDIR1"