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}${cross_prefix}"; then
 291   cc="cc"
 292 else
 293   cc="${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 >= 3.7.
 556     # NB: a True python conditional creates a non-zero return code (Failure)
 557     "$1" -c 'import sys; sys.exit(sys.version_info < (3,7))'
 558 }
 559
 560 first_python=
 561 if test -z "${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 python3.7; 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="$optarg"
 719   ;;
 720   --host=*|--build=*|\
 721   --disable-dependency-tracking|\
 722   --sbindir=*|--sharedstatedir=*|\
 723   --oldincludedir=*|--datarootdir=*|--infodir=*|\
 724   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 725     # These switches are silently ignored, for compatibility with
 726     # autoconf-generated configure scripts. This allows QEMU's
 727     # configure to be used by RPM and similar macros that set
 728     # lots of directory switches by default.
 729   ;;
 730   --enable-debug-tcg) debug_tcg="yes"
 731   ;;
 732   --disable-debug-tcg) debug_tcg="no"
 733   ;;
 734   --enable-debug)
 735       # Enable debugging options that aren't excessively noisy
 736       debug_tcg="yes"
 737       meson_option_parse --enable-debug-graph-lock ""
 738       meson_option_parse --enable-debug-mutex ""
 739       meson_option_add -Doptimization=0
 740   ;;
 741   --disable-tcg) tcg="disabled"
 742                  plugins="no"
 743   ;;
 744   --enable-tcg) tcg="enabled"
 745   ;;
 746   --disable-system) softmmu="no"
 747   ;;
 748   --enable-system) softmmu="yes"
 749   ;;
 750   --disable-user)
 751       linux_user="no" ;
 752       bsd_user="no" ;
 753   ;;
 754   --enable-user) ;;
 755   --disable-linux-user) linux_user="no"
 756   ;;
 757   --enable-linux-user) linux_user="yes"
 758   ;;
 759   --disable-bsd-user) bsd_user="no"
 760   ;;
 761   --enable-bsd-user) bsd_user="yes"
 762   ;;
 763   --enable-pie) pie="yes"
 764   ;;
 765   --disable-pie) pie="no"
 766   ;;
 767   --enable-werror) werror="yes"
 768   ;;
 769   --disable-werror) werror="no"
 770   ;;
 771   --enable-cfi)
 772       cfi="true";
 773       meson_option_add -Db_lto=true
 774   ;;
 775   --disable-cfi) cfi="false"
 776   ;;
 777   --disable-download) download="disabled"; git_submodules_action=validate;
 778   ;;
 779   --enable-download) download="enabled"; git_submodules_action=update;
 780   ;;
 781   --enable-plugins) if test "$targetos" = "windows"; then
 782                         error_exit "TCG plugins not currently supported on Windows platforms"
 783                     else
 784                         plugins="yes"
 785                     fi
 786   ;;
 787   --disable-plugins) plugins="no"
 788   ;;
 789   --enable-containers) use_containers="yes"
 790   ;;
 791   --disable-containers) use_containers="no"
 792   ;;
 793   --gdb=*) gdb_bin="$optarg"
 794   ;;
 795   # everything else has the same name in configure and meson
 796   --*) meson_option_parse "$opt" "$optarg"
 797   ;;
 798   # Pass through -Dxxxx options to meson
 799   -D*) meson_options="$meson_options $opt"
 800   ;;
 801   esac
 802 done
 803
 804 if ! test -e "$source_path/.git"
 805 then
 806     git_submodules_action="validate"
 807 fi
 808
 809 # test for any invalid configuration combinations
 810 if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
 811     error_exit "Can't enable plugins on non-TCG builds"
 812 fi
 813
 814 if ! test -f "$source_path/subprojects/keycodemapdb/README" \
 815     && test "$download" = disabled
 816 then
 817     echo
 818     echo "ERROR: missing subprojects"
 819     echo
 820     if test -e "$source_path/.git"; then
 821         echo "--disable-download specified but subprojects were not"
 822         echo 'checked out.  Please invoke "meson subprojects download"'
 823         echo "before configuring QEMU, or remove --disable-download"
 824         echo "from the command line."
 825     else
 826         echo "This is not a GIT checkout but subproject content appears to"
 827         echo "be missing. Do not use 'git archive' or GitHub download links"
 828         echo "to acquire QEMU source archives. Non-GIT builds are only"
 829         echo "supported with source archives linked from:"
 830         echo
 831         echo "  https://www.qemu.org/download/#source"
 832         echo
 833         echo "Developers working with GIT can use scripts/archive-source.sh"
 834         echo "if they need to create valid source archives."
 835     fi
 836     echo
 837     exit 1
 838 fi
 839
 840 default_target_list=""
 841 mak_wilds=""
 842
 843 if [ -n "$host_arch" ] && [ -d "$source_path/common-user/host/$host_arch" ]; then
 844     if [ "$linux_user" != no ]; then
 845         if [ "$targetos" = linux ]; then
 846             linux_user=yes
 847         elif [ "$linux_user" = yes ]; then
 848             error_exit "linux-user not supported on this architecture"
 849         fi
 850         if [ "$linux_user" = "yes" ]; then
 851             mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
 852         fi
 853     fi
 854     if [ "$bsd_user" != no ]; then
 855         if [ "$bsd_user" = "" ]; then
 856             test $targetos = freebsd && bsd_user=yes
 857         fi
 858         if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
 859             error_exit "bsd-user not supported on this host OS"
 860         fi
 861         if [ "$bsd_user" = "yes" ]; then
 862             mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
 863         fi
 864     fi
 865 else
 866     if [ "$linux_user" = yes ] || [ "$bsd_user" = yes ]; then
 867         error_exit "user mode emulation not supported on this architecture"
 868     fi
 869 fi
 870 if [ "$softmmu" = "yes" ]; then
 871     mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
 872 fi
 873
 874 for config in $mak_wilds; do
 875     target="$(basename "$config" .mak)"
 876     if echo "$target_list_exclude" | grep -vq "$target"; then
 877         default_target_list="${default_target_list} $target"
 878     fi
 879 done
 880
 881 if test x"$show_help" = x"yes" ; then
 882 cat << EOF
 883
 884 Usage: configure [options]
 885 Options: [defaults in brackets after descriptions]
 886
 887 Standard options:
 888   --help                   print this message
 889   --prefix=PREFIX          install in PREFIX [$prefix]
 890   --target-list=LIST       set target list (default: build all)
 891 $(echo Available targets: $default_target_list | \
 892   fold -s -w 53 | sed -e 's/^/                           /')
 893   --target-list-exclude=LIST exclude a set of targets from the default target-list
 894
 895 Advanced options (experts only):
 896   -Dmesonoptname=val       passthrough option to meson unmodified
 897   --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
 898   --cc=CC                  use C compiler CC [$cc]
 899   --host-cc=CC             when cross compiling, use C compiler CC for code run
 900                            at build time [$host_cc]
 901   --cxx=CXX                use C++ compiler CXX [$cxx]
 902   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
 903   --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
 904   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
 905   --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
 906   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
 907   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
 908   --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
 909   --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
 910   --python=PYTHON          use specified python [$python]
 911   --ninja=NINJA            use specified ninja [$ninja]
 912   --smbd=SMBD              use specified smbd [$smbd]
 913   --static                 enable static build [$static]
 914   --bindir=PATH            install binaries in PATH
 915   --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
 916   --without-default-features default all --enable-* options to "disabled"
 917   --without-default-devices  do not include any device that is not needed to
 918                            start the emulator (only use if you are including
 919                            desired devices in configs/devices/)
 920   --with-devices-ARCH=NAME override default configs/devices
 921   --enable-debug           enable common debug build options
 922   --disable-werror         disable compilation abort on warning
 923   --cpu=CPU                Build for host CPU [$cpu]
 924   --enable-plugins
 925                            enable plugins via shared library loading
 926   --disable-containers     don't use containers for cross-building
 927   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
 928 EOF
 929   meson_options_help
 930 cat << EOF
 931   system          all system emulation targets
 932   user            supported user emulation targets
 933   linux-user      all linux usermode emulation targets
 934   bsd-user        all BSD usermode emulation targets
 935   pie             Position Independent Executables
 936   debug-tcg       TCG debugging (default is disabled)
 937
 938 NOTE: The object files are built at the place where configure is launched
 939 EOF
 940 exit 0
 941 fi
 942
 943 # Remove old dependency files to make sure that they get properly regenerated
 944 rm -f ./*/config-devices.mak.d
 945
 946 if test -z "$python"
 947 then
 948     # If first_python is set, there was a binary somewhere even though
 949     # it was not suitable.  Use it for the error message.
 950     if test -n "$first_python"; then
 951         error_exit "Cannot use '$first_python', Python >= 3.7 is required." \
 952             "Use --python=/path/to/python to specify a supported Python."
 953     else
 954         error_exit "Python not found. Use --python=/path/to/python"
 955     fi
 956 fi
 957
 958 if ! check_py_version "$python"; then
 959   error_exit "Cannot use '$python', Python >= 3.7 is required." \
 960              "Use --python=/path/to/python to specify a supported Python." \
 961              "Maybe try:" \
 962              "  openSUSE Leap 15.3+: zypper install python39" \
 963              "  CentOS 8: dnf install python38"
 964 fi
 965
 966 # Resolve PATH
 967 python="$(command -v "$python")"
 968
 969 # Create a Python virtual environment using our configured python.
 970 # The stdout of this script will be the location of a symlink that
 971 # points to the configured Python.
 972 # Entry point scripts for pip, meson, and sphinx are generated if those
 973 # packages are present.
 974
 975 # Defaults assumed for now:
 976 # - venv is cleared if it exists already;
 977 # - venv is allowed to use system packages;
 978 # - all setup can be performed offline;
 979 # - missing packages may be fetched from PyPI,
 980 #   unless --disable-download is passed.
 981 # - pip is not installed into the venv when possible,
 982 #   but ensurepip is called as a fallback when necessary.
 983
 984 echo "python determined to be '$python'"
 985 echo "python version: $($python --version)"
 986
 987 python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
 988 if test "$?" -ne 0 ; then
 989     error_exit "python venv creation failed"
 990 fi
 991
 992 # Suppress writing compiled files
 993 python="$python -B"
 994 mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
 995
 996 # Finish preparing the virtual environment using vendored .whl files
 997
 998 if $python -c 'import sys; sys.exit(sys.version_info >= (3,11))'; then
 999     $mkvenv ensure --dir "${source_path}/python/wheels" \
1000         'tomli>=1.2.0' || exit 1
1001 fi
1002 $mkvenv ensuregroup --dir "${source_path}/python/wheels" \
1003      ${source_path}/pythondeps.toml meson || exit 1
1004
1005 # At this point, we expect Meson to be installed and available.
1006 # We expect mkvenv or pip to have created pyvenv/bin/meson for us.
1007 # We ignore PATH completely here: we want to use the venv's Meson
1008 # *exclusively*.
1009
1010 meson="$(cd pyvenv/bin; pwd)/meson"
1011
1012 # Conditionally ensure Sphinx is installed.
1013
1014 mkvenv_flags=""
1015 if test "$download" = "enabled" -a "$docs" = "enabled" ; then
1016     mkvenv_flags="--online"
1017 fi
1018
1019 if test "$docs" != "disabled" ; then
1020     if ! $mkvenv ensuregroup \
1021          $mkvenv_flags \
1022          ${source_path}/pythondeps.toml docs;
1023     then
1024         if test "$docs" = "enabled" ; then
1025             exit 1
1026         fi
1027         echo "Sphinx not found/usable, disabling docs."
1028         docs=disabled
1029     else
1030         docs=enabled
1031     fi
1032 fi
1033
1034 # Probe for ninja
1035
1036 if test -z "$ninja"; then
1037     for c in ninja ninja-build samu; do
1038         if has $c; then
1039             ninja=$(command -v "$c")
1040             break
1041         fi
1042     done
1043     if test -z "$ninja"; then
1044       error_exit "Cannot find Ninja"
1045     fi
1046 fi
1047
1048 # Consult white-list to determine whether to enable werror
1049 # by default.  Only enable by default for git builds
1050 if test -z "$werror" ; then
1051     if test -e "$source_path/.git" && \
1052         { test "$targetos" = linux || test "$targetos" = "windows"; }; then
1053         werror="yes"
1054     else
1055         werror="no"
1056     fi
1057 fi
1058
1059 if test "$targetos" = "bogus"; then
1060     # Now that we know that we're not printing the help and that
1061     # the compiler works (so the results of the check_defines we used
1062     # to identify the OS are reliable), if we didn't recognize the
1063     # host OS we should stop now.
1064     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1065 fi
1066
1067 if test "$static" = "yes" ; then
1068   if test "$plugins" = "yes"; then
1069     error_exit "static and plugins are mutually incompatible"
1070   else
1071     plugins="no"
1072   fi
1073 fi
1074 test "$plugins" = "" && plugins=yes
1075
1076 cat > $TMPC << EOF
1077
1078 #ifdef __linux__
1079 #  define THREAD __thread
1080 #else
1081 #  define THREAD
1082 #endif
1083 static THREAD int tls_var;
1084 int main(void) { return tls_var; }
1085 EOF
1086
1087 if test "$static" = "yes"; then
1088   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1089     pie="yes"
1090   elif test "$pie" = "yes"; then
1091     error_exit "-static-pie not available due to missing toolchain support"
1092   else
1093     pie="no"
1094   fi
1095 elif test "$pie" != "no"; then
1096   if compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1097     pie="yes"
1098   elif test "$pie" = "yes"; then
1099     error_exit "PIE not available due to missing toolchain support"
1100   else
1101     echo "Disabling PIE due to missing toolchain support"
1102     pie="no"
1103   fi
1104 fi
1105
1106 ##########################################
1107
1108 if test -z "${target_list+xxx}" ; then
1109     default_targets=yes
1110     for target in $default_target_list; do
1111         target_list="$target_list $target"
1112     done
1113     target_list="${target_list# }"
1114 else
1115     default_targets=no
1116     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1117     for target in $target_list; do
1118         # Check that we recognised the target name; this allows a more
1119         # friendly error message than if we let it fall through.
1120         case " $default_target_list " in
1121             *" $target "*)
1122                 ;;
1123             *)
1124                 error_exit "Unknown target name '$target'"
1125                 ;;
1126         esac
1127     done
1128 fi
1129
1130 # see if system emulation was really requested
1131 case " $target_list " in
1132   *"-softmmu "*) softmmu=yes
1133   ;;
1134   *) softmmu=no
1135   ;;
1136 esac
1137
1138 if test "$tcg" = "auto"; then
1139   if test -z "$target_list"; then
1140     tcg="disabled"
1141   else
1142     tcg="enabled"
1143   fi
1144 fi
1145
1146 ##########################################
1147 # big/little endian test
1148 cat > $TMPC << EOF
1149 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1150 # error LITTLE
1151 #endif
1152 int main(void) { return 0; }
1153 EOF
1154
1155 if ! compile_prog ; then
1156   bigendian="no"
1157 else
1158   cat > $TMPC << EOF
1159 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1160 # error BIG
1161 #endif
1162 int main(void) { return 0; }
1163 EOF
1164
1165   if ! compile_prog ; then
1166     bigendian="yes"
1167   else
1168     echo big/little test failed
1169     exit 1
1170   fi
1171 fi
1172
1173 ########################################
1174 # check if ccache is interfering with
1175 # semantic analysis of macros
1176
1177 unset CCACHE_CPP2
1178 ccache_cpp2=no
1179 cat > $TMPC << EOF
1180 static const int Z = 1;
1181 #define fn() ({ Z; })
1182 #define TAUT(X) ((X) == Z)
1183 #define PAREN(X, Y) (X == Y)
1184 #define ID(X) (X)
1185 int main(void)
1186 {
1187     int x = 0, y = 0;
1188     x = ID(x);
1189     x = fn();
1190     fn();
1191     if (PAREN(x, y)) return 0;
1192     if (TAUT(Z)) return 0;
1193     return 0;
1194 }
1195 EOF
1196
1197 if ! compile_object "-Werror"; then
1198     ccache_cpp2=yes
1199 fi
1200
1201 ##########################################
1202 # functions to probe cross compilers
1203
1204 container="no"
1205 runc=""
1206 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1207     case $($python "$source_path"/tests/docker/docker.py probe) in
1208         *docker) container=docker ;;
1209         podman) container=podman ;;
1210         no) container=no ;;
1211     esac
1212     if test "$container" != "no"; then
1213         docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1214         runc=$($python "$source_path"/tests/docker/docker.py probe)
1215     fi
1216 fi
1217
1218 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1219 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1220 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1221 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1222 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1223 : ${cross_prefix_armeb="$cross_prefix_arm"}
1224 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1225 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1226 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1227 : ${cross_prefix_i386="i686-linux-gnu-"}
1228 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1229 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1230 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1231 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1232 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1233 : ${cross_prefix_mips="mips-linux-gnu-"}
1234 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1235 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1236 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1237 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1238 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1239 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1240 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1241 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1242 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1243 : ${cross_prefix_tricore="tricore-"}
1244 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1245
1246 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1247 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1248 : ${cross_cc_armeb="$cross_cc_arm"}
1249 : ${cross_cc_cflags_armeb="-mbig-endian"}
1250 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1251 : ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1252 : ${cross_cc_cflags_i386="-m32"}
1253 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1254 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1255 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1256 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1257 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1258 : ${cross_cc_sparc="$cross_cc_sparc64"}
1259 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1260 : ${cross_cc_cflags_x86_64="-m64"}
1261
1262 compute_target_variable() {
1263   eval "$2="
1264   if eval test -n "\"\${cross_prefix_$1}\""; then
1265     if eval has "\"\${cross_prefix_$1}\$3\""; then
1266       eval "$2=\"\${cross_prefix_$1}\$3\""
1267     fi
1268   fi
1269 }
1270
1271 have_target() {
1272   for i; do
1273     case " $target_list " in
1274       *" $i "*) return 0;;
1275       *) ;;
1276     esac
1277   done
1278   return 1
1279 }
1280
1281 # probe_target_compiler TARGET
1282 #
1283 # Look for a compiler for the given target, either native or cross.
1284 # Set variables target_* if a compiler is found, and container_cross_*
1285 # if a Docker-based cross-compiler image is known for the target.
1286 # Set got_cross_cc to yes/no depending on whether a non-container-based
1287 # compiler was found.
1288 #
1289 # If TARGET is a user-mode emulation target, also set build_static to
1290 # "y" if static linking is possible.
1291 #
1292 probe_target_compiler() {
1293   # reset all output variables
1294   got_cross_cc=no
1295   container_image=
1296   container_hosts=
1297   container_cross_cc=
1298   container_cross_ar=
1299   container_cross_as=
1300   container_cross_ld=
1301   container_cross_nm=
1302   container_cross_objcopy=
1303   container_cross_ranlib=
1304   container_cross_strip=
1305
1306   target_arch=${1%%-*}
1307   case $target_arch in
1308     aarch64) container_hosts="x86_64 aarch64" ;;
1309     alpha) container_hosts=x86_64 ;;
1310     arm) container_hosts="x86_64 aarch64" ;;
1311     cris) container_hosts=x86_64 ;;
1312     hexagon) container_hosts=x86_64 ;;
1313     hppa) container_hosts=x86_64 ;;
1314     i386) container_hosts=x86_64 ;;
1315     loongarch64) container_hosts=x86_64 ;;
1316     m68k) container_hosts=x86_64 ;;
1317     microblaze) container_hosts=x86_64 ;;
1318     mips64el) container_hosts=x86_64 ;;
1319     mips64) container_hosts=x86_64 ;;
1320     mipsel) container_hosts=x86_64 ;;
1321     mips) container_hosts=x86_64 ;;
1322     nios2) container_hosts=x86_64 ;;
1323     ppc) container_hosts=x86_64 ;;
1324     ppc64|ppc64le) container_hosts=x86_64 ;;
1325     riscv64) container_hosts=x86_64 ;;
1326     s390x) container_hosts=x86_64 ;;
1327     sh4) container_hosts=x86_64 ;;
1328     sparc64) container_hosts=x86_64 ;;
1329     tricore) container_hosts=x86_64 ;;
1330     x86_64) container_hosts="aarch64 ppc64le x86_64" ;;
1331     xtensa*) container_hosts=x86_64 ;;
1332   esac
1333
1334   for host in $container_hosts; do
1335     test "$container" != no || continue
1336     test "$host" = "$cpu" || continue
1337     case $target_arch in
1338       aarch64)
1339         # We don't have any bigendian build tools so we only use this for AArch64
1340         container_image=debian-arm64-cross
1341         container_cross_prefix=aarch64-linux-gnu-
1342         container_cross_cc=${container_cross_prefix}gcc-10
1343         ;;
1344       alpha)
1345         container_image=debian-alpha-cross
1346         container_cross_prefix=alpha-linux-gnu-
1347         ;;
1348       arm)
1349         # We don't have any bigendian build tools so we only use this for ARM
1350         container_image=debian-armhf-cross
1351         container_cross_prefix=arm-linux-gnueabihf-
1352         ;;
1353       cris)
1354         container_image=fedora-cris-cross
1355         container_cross_prefix=cris-linux-gnu-
1356         ;;
1357       hexagon)
1358         container_image=debian-hexagon-cross
1359         container_cross_prefix=hexagon-unknown-linux-musl-
1360         container_cross_cc=${container_cross_prefix}clang
1361         ;;
1362       hppa)
1363         container_image=debian-hppa-cross
1364         container_cross_prefix=hppa-linux-gnu-
1365         ;;
1366       i386)
1367         container_image=fedora-i386-cross
1368         container_cross_prefix=
1369         ;;
1370       loongarch64)
1371         container_image=debian-loongarch-cross
1372         container_cross_prefix=loongarch64-unknown-linux-gnu-
1373         ;;
1374       m68k)
1375         container_image=debian-m68k-cross
1376         container_cross_prefix=m68k-linux-gnu-
1377         ;;
1378       microblaze)
1379         container_image=debian-microblaze-cross
1380         container_cross_prefix=microblaze-linux-musl-
1381         ;;
1382       mips64el)
1383         container_image=debian-mips64el-cross
1384         container_cross_prefix=mips64el-linux-gnuabi64-
1385         ;;
1386       mips64)
1387         container_image=debian-mips64-cross
1388         container_cross_prefix=mips64-linux-gnuabi64-
1389         ;;
1390       mipsel)
1391         container_image=debian-mipsel-cross
1392         container_cross_prefix=mipsel-linux-gnu-
1393         ;;
1394       mips)
1395         container_image=debian-mips-cross
1396         container_cross_prefix=mips-linux-gnu-
1397         ;;
1398       nios2)
1399         container_image=debian-nios2-cross
1400         container_cross_prefix=nios2-linux-gnu-
1401         ;;
1402       ppc)
1403         container_image=debian-powerpc-test-cross
1404         container_cross_prefix=powerpc-linux-gnu-
1405         container_cross_cc=${container_cross_prefix}gcc-10
1406         ;;
1407       ppc64|ppc64le)
1408         container_image=debian-powerpc-test-cross
1409         container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1410         container_cross_cc=${container_cross_prefix}gcc-10
1411         ;;
1412       riscv64)
1413         container_image=debian-riscv64-test-cross
1414         container_cross_prefix=riscv64-linux-gnu-
1415         ;;
1416       s390x)
1417         container_image=debian-s390x-cross
1418         container_cross_prefix=s390x-linux-gnu-
1419         ;;
1420       sh4)
1421         container_image=debian-sh4-cross
1422         container_cross_prefix=sh4-linux-gnu-
1423         ;;
1424       sparc64)
1425         container_image=debian-sparc64-cross
1426         container_cross_prefix=sparc64-linux-gnu-
1427         ;;
1428       tricore)
1429         container_image=debian-tricore-cross
1430         container_cross_prefix=tricore-
1431         ;;
1432       x86_64)
1433         container_image=debian-amd64-cross
1434         container_cross_prefix=x86_64-linux-gnu-
1435         ;;
1436       xtensa*)
1437         container_image=debian-xtensa-cross
1438
1439         # default to the dc232b cpu
1440         container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1441         ;;
1442     esac
1443     : ${container_cross_cc:=${container_cross_prefix}gcc}
1444     : ${container_cross_ar:=${container_cross_prefix}ar}
1445     : ${container_cross_as:=${container_cross_prefix}as}
1446     : ${container_cross_ld:=${container_cross_prefix}ld}
1447     : ${container_cross_nm:=${container_cross_prefix}nm}
1448     : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1449     : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1450     : ${container_cross_strip:=${container_cross_prefix}strip}
1451   done
1452
1453   try=cross
1454   case "$target_arch:$cpu" in
1455     aarch64_be:aarch64 | \
1456     armeb:arm | \
1457     i386:x86_64 | \
1458     mips*:mips64 | \
1459     ppc*:ppc64 | \
1460     sparc:sparc64 | \
1461     "$cpu:$cpu")
1462       try='native cross' ;;
1463   esac
1464   eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1465   for thistry in $try; do
1466     case $thistry in
1467     native)
1468       target_cc=$cc
1469       target_ccas=$ccas
1470       target_ar=$ar
1471       target_as=$as
1472       target_ld=$ld
1473       target_nm=$nm
1474       target_objcopy=$objcopy
1475       target_ranlib=$ranlib
1476       target_strip=$strip
1477       ;;
1478     cross)
1479       target_cc=
1480       if eval test -n "\"\${cross_cc_$target_arch}\""; then
1481         if eval has "\"\${cross_cc_$target_arch}\""; then
1482           eval "target_cc=\"\${cross_cc_$target_arch}\""
1483         fi
1484       else
1485         compute_target_variable $target_arch target_cc gcc
1486       fi
1487       target_ccas=$target_cc
1488       compute_target_variable $target_arch target_ar ar
1489       compute_target_variable $target_arch target_as as
1490       compute_target_variable $target_arch target_ld ld
1491       compute_target_variable $target_arch target_nm nm
1492       compute_target_variable $target_arch target_objcopy objcopy
1493       compute_target_variable $target_arch target_ranlib ranlib
1494       compute_target_variable $target_arch target_strip strip
1495       ;;
1496     esac
1497
1498     if test -n "$target_cc"; then
1499       case $target_arch in
1500         i386|x86_64)
1501           if $target_cc --version | grep -qi "clang"; then
1502             continue
1503           fi
1504           ;;
1505       esac
1506     elif test -n "$target_as" && test -n "$target_ld"; then
1507       # Special handling for assembler only targets
1508       case $target in
1509         tricore-softmmu)
1510           build_static=
1511           got_cross_cc=yes
1512           break
1513           ;;
1514         *)
1515           continue
1516           ;;
1517       esac
1518     else
1519       continue
1520     fi
1521
1522     write_c_skeleton
1523     case $1 in
1524       *-softmmu)
1525         if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1526           do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1527           got_cross_cc=yes
1528           break
1529         fi
1530         ;;
1531       *)
1532         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1533           build_static=y
1534           got_cross_cc=yes
1535           break
1536         fi
1537         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1538           build_static=
1539           got_cross_cc=yes
1540           break
1541         fi
1542         ;;
1543     esac
1544   done
1545   if test $got_cross_cc != yes; then
1546     build_static=
1547     target_cc=
1548     target_ccas=
1549     target_ar=
1550     target_as=
1551     target_ld=
1552     target_nm=
1553     target_objcopy=
1554     target_ranlib=
1555     target_strip=
1556   fi
1557   test -n "$target_cc"
1558 }
1559
1560 write_target_makefile() {
1561   echo "EXTRA_CFLAGS=$target_cflags"
1562   if test -z "$target_cc" && test -z "$target_as"; then
1563     test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1564     echo "$1: docker-image-$container_image" >> Makefile.prereqs
1565     if test -n "$container_cross_cc"; then
1566       echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1567       echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1568     fi
1569     echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1570     echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1571     echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1572     echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1573     echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1574     echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1575     echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1576   else
1577     if test -n "$target_cc"; then
1578       echo "CC=$target_cc"
1579       echo "CCAS=$target_ccas"
1580     fi
1581     if test -n "$target_ar"; then
1582       echo "AR=$target_ar"
1583     fi
1584     if test -n "$target_as"; then
1585       echo "AS=$target_as"
1586     fi
1587     if test -n "$target_ld"; then
1588       echo "LD=$target_ld"
1589     fi
1590     if test -n "$target_nm"; then
1591       echo "NM=$target_nm"
1592     fi
1593     if test -n "$target_objcopy"; then
1594       echo "OBJCOPY=$target_objcopy"
1595     fi
1596     if test -n "$target_ranlib"; then
1597       echo "RANLIB=$target_ranlib"
1598     fi
1599     if test -n "$target_strip"; then
1600       echo "STRIP=$target_strip"
1601     fi
1602   fi
1603 }
1604
1605 #######################################
1606 # cross-compiled firmware targets
1607
1608 # Set up build tree symlinks that point back into the source tree
1609 # (these can be both files and directories).
1610 # Caution: avoid adding files or directories here using wildcards. This
1611 # will result in problems later if a new file matching the wildcard is
1612 # added to the source tree -- nothing will cause configure to be rerun
1613 # so the build tree will be missing the link back to the new file, and
1614 # tests might fail. Prefer to keep the relevant files in their own
1615 # directory and symlink the directory instead.
1616 LINKS="Makefile"
1617 LINKS="$LINKS docs/config"
1618 LINKS="$LINKS pc-bios/optionrom/Makefile"
1619 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1620 LINKS="$LINKS pc-bios/vof/Makefile"
1621 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1622 LINKS="$LINKS tests/avocado tests/data"
1623 LINKS="$LINKS tests/qemu-iotests/check"
1624 LINKS="$LINKS python"
1625 LINKS="$LINKS contrib/plugins/Makefile "
1626 for f in $LINKS ; do
1627     if [ -e "$source_path/$f" ]; then
1628         symlink "$source_path/$f" "$f"
1629     fi
1630 done
1631
1632 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1633
1634 # Mac OS X ships with a broken assembler
1635 roms=
1636 if have_target i386-softmmu x86_64-softmmu && \
1637         test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
1638         test "$targetos" != "haiku" && \
1639         probe_target_compiler i386-softmmu; then
1640     roms="pc-bios/optionrom"
1641     config_mak=pc-bios/optionrom/config.mak
1642     echo "# Automatically generated by configure - do not modify" > $config_mak
1643     echo "TOPSRC_DIR=$source_path" >> $config_mak
1644     write_target_makefile >> $config_mak
1645 fi
1646
1647 if have_target ppc-softmmu ppc64-softmmu && \
1648         probe_target_compiler ppc-softmmu; then
1649     roms="$roms pc-bios/vof"
1650     config_mak=pc-bios/vof/config.mak
1651     echo "# Automatically generated by configure - do not modify" > $config_mak
1652     echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1653     write_target_makefile >> $config_mak
1654 fi
1655
1656 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1657 # (which is the lowest architecture level that Clang supports)
1658 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu && \
1659     GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" roms/SLOF >> config.log 2>&1; then
1660   write_c_skeleton
1661   do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1662   has_z900=$?
1663   if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1664     if [ $has_z900 != 0 ]; then
1665       echo "WARNING: Your compiler does not support the z900!"
1666       echo "         The s390-ccw bios will only work with guest CPUs >= z10."
1667     fi
1668     roms="$roms pc-bios/s390-ccw"
1669     config_mak=pc-bios/s390-ccw/config-host.mak
1670     echo "# Automatically generated by configure - do not modify" > $config_mak
1671     echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1672     echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_mak
1673     write_target_makefile >> $config_mak
1674   fi
1675 fi
1676
1677 #######################################
1678 # generate config-host.mak
1679
1680 config_host_mak="config-host.mak"
1681
1682 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1683 echo >> $config_host_mak
1684
1685 echo all: >> $config_host_mak
1686
1687 if test "$debug_tcg" = "yes" ; then
1688   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
1689 fi
1690 if test "$targetos" = "windows"; then
1691   echo "CONFIG_WIN32=y" >> $config_host_mak
1692   echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak
1693   echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak
1694   echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak
1695 else
1696   echo "CONFIG_POSIX=y" >> $config_host_mak
1697 fi
1698
1699 if test "$targetos" = "linux" ; then
1700   echo "CONFIG_LINUX=y" >> $config_host_mak
1701 fi
1702
1703 if test "$targetos" = "darwin" ; then
1704   echo "CONFIG_DARWIN=y" >> $config_host_mak
1705 fi
1706
1707 if test "$targetos" = "sunos" ; then
1708   echo "CONFIG_SOLARIS=y" >> $config_host_mak
1709 fi
1710 echo "SRC_PATH=$source_path" >> $config_host_mak
1711 echo "TARGET_DIRS=$target_list" >> $config_host_mak
1712
1713 # XXX: suppress that
1714 case $targetos in
1715   gnu/kfreebsd | freebsd | dragonfly | netbsd | openbsd | darwin)
1716     echo "CONFIG_BSD=y" >> $config_host_mak
1717     ;;
1718 esac
1719
1720 if test "$plugins" = "yes" ; then
1721     echo "CONFIG_PLUGIN=y" >> $config_host_mak
1722 fi
1723
1724 if test -n "$gdb_bin"; then
1725     gdb_version=$($gdb_bin --version | head -n 1)
1726     if version_ge ${gdb_version##* } 9.1; then
1727         echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1728         gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1729     else
1730         gdb_bin=""
1731     fi
1732 fi
1733
1734 if test "$container" != no; then
1735     echo "ENGINE=$container" >> $config_host_mak
1736     echo "RUNC=$runc" >> $config_host_mak
1737 fi
1738 echo "ROMS=$roms" >> $config_host_mak
1739 echo "PYTHON=$python" >> $config_host_mak
1740 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1741 echo "MESON=$meson" >> $config_host_mak
1742 echo "NINJA=$ninja" >> $config_host_mak
1743 echo "PKG_CONFIG=${pkg_config}" >> $config_host_mak
1744 echo "CC=$cc" >> $config_host_mak
1745 echo "EXESUF=$EXESUF" >> $config_host_mak
1746
1747 # use included Linux headers for KVM architectures
1748 if test "$targetos" = "linux" && test -n "$linux_arch"; then
1749   symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1750 fi
1751
1752 for target in $target_list; do
1753     target_dir="$target"
1754     target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
1755     case $target in
1756         *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
1757         *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
1758     esac
1759 done
1760
1761 if test "$default_targets" = "yes"; then
1762   echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1763 fi
1764
1765 if test "$ccache_cpp2" = "yes"; then
1766   echo "export CCACHE_CPP2=y" >> $config_host_mak
1767 fi
1768
1769 # tests/tcg configuration
1770 (config_host_mak=tests/tcg/config-host.mak
1771 mkdir -p tests/tcg
1772 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1773 echo "SRC_PATH=$source_path" >> $config_host_mak
1774
1775 # versioned checked in the main config_host.mak above
1776 if test -n "$gdb_bin"; then
1777     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1778 fi
1779 if test "$plugins" = "yes" ; then
1780     echo "CONFIG_PLUGIN=y" >> $config_host_mak
1781 fi
1782
1783 tcg_tests_targets=
1784 for target in $target_list; do
1785   arch=${target%%-*}
1786
1787   case $target in
1788     xtensa*-linux-user)
1789       # the toolchain is not complete with headers, only build softmmu tests
1790       continue
1791       ;;
1792     *-softmmu)
1793       test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1794       qemu="qemu-system-$arch"
1795       ;;
1796     *-linux-user|*-bsd-user)
1797       qemu="qemu-$arch"
1798       ;;
1799   esac
1800
1801   if probe_target_compiler $target || test -n "$container_image"; then
1802       test -n "$container_image" && build_static=y
1803       mkdir -p "tests/tcg/$target"
1804       config_target_mak=tests/tcg/$target/config-target.mak
1805       ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1806       echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1807       echo "TARGET_NAME=$arch" >> "$config_target_mak"
1808       echo "TARGET=$target" >> "$config_target_mak"
1809       write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1810       echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1811       echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1812
1813       # will GDB work with these binaries?
1814       if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1815           echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak"
1816       fi
1817
1818       echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1819       tcg_tests_targets="$tcg_tests_targets $target"
1820   fi
1821 done
1822
1823 if test "$tcg" = "enabled"; then
1824     echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
1825 fi
1826 )
1827
1828 if test "$skip_meson" = no; then
1829   cross="config-meson.cross.new"
1830   meson_quote() {
1831     test $# = 0 && return
1832     echo "'$(echo $* | sed "s/ /','/g")'"
1833   }
1834
1835   echo "# Automatically generated by configure - do not modify" > $cross
1836   echo "[properties]" >> $cross
1837
1838   # unroll any custom device configs
1839   for a in $device_archs; do
1840       eval "c=\$devices_${a}"
1841       echo "${a}-softmmu = '$c'" >> $cross
1842   done
1843
1844   echo "[built-in options]" >> $cross
1845   echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1846   echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1847   test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1848   echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1849   echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1850   echo "[binaries]" >> $cross
1851   echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1852   test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1853   test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1854   echo "ar = [$(meson_quote $ar)]" >> $cross
1855   echo "nm = [$(meson_quote $nm)]" >> $cross
1856   echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1857   echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1858   if has $sdl2_config; then
1859     echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1860   fi
1861   echo "strip = [$(meson_quote $strip)]" >> $cross
1862   echo "widl = [$(meson_quote $widl)]" >> $cross
1863   echo "windres = [$(meson_quote $windres)]" >> $cross
1864   echo "windmc = [$(meson_quote $windmc)]" >> $cross
1865   if test "$cross_compile" = "yes"; then
1866     echo "[host_machine]" >> $cross
1867     echo "system = '$targetos'" >> $cross
1868     case "$cpu" in
1869         i386)
1870             echo "cpu_family = 'x86'" >> $cross
1871             ;;
1872         *)
1873             echo "cpu_family = '$cpu'" >> $cross
1874             ;;
1875     esac
1876     echo "cpu = '$cpu'" >> $cross
1877     if test "$bigendian" = "yes" ; then
1878         echo "endian = 'big'" >> $cross
1879     else
1880         echo "endian = 'little'" >> $cross
1881     fi
1882     cross_arg="--cross-file config-meson.cross"
1883
1884     native="config-meson.native.new"
1885     echo "# Automatically generated by configure - do not modify" > $native
1886     echo "[binaries]" >> $native
1887     echo "c = [$(meson_quote $host_cc)]" >> $native
1888     mv $native config-meson.native
1889     cross_arg="$cross_arg --native-file config-meson.native"
1890   else
1891     cross_arg="--native-file config-meson.cross"
1892   fi
1893   mv $cross config-meson.cross
1894
1895   rm -rf meson-private meson-info meson-logs
1896
1897   # Built-in options
1898   test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload"
1899   test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
1900   test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1901   test "$static" = yes && meson_option_add -Dprefer_static=true
1902   test "$pie" = no && meson_option_add -Db_pie=false
1903   test "$werror" = yes && meson_option_add -Dwerror=true
1904
1905   # QEMU options
1906   test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
1907   test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1908   test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1909   test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
1910   test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
1911   test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1912   run_meson() {
1913     NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
1914   }
1915   eval run_meson $meson_options
1916   if test "$?" -ne 0 ; then
1917       error_exit "meson setup failed"
1918   fi
1919   echo "$meson" > build.ninja.stamp
1920 else
1921   if test -f meson-private/cmd_line.txt; then
1922     # Adjust old command line options that were removed
1923     # sed -i is not portable
1924     perl -i -ne '
1925       /^sphinx_build/ && next;
1926       print;' meson-private/cmd_line.txt
1927   fi
1928 fi
1929
1930 # Save the configure command line for later reuse.
1931 cat <<EOD >config.status
1932 #!/bin/sh
1933 # Generated by configure.
1934 # Run this file to recreate the current configuration.
1935 # Compiler output produced by configure, useful for debugging
1936 # configure, is in config.log if it exists.
1937 EOD
1938
1939 preserve_env() {
1940     envname=$1
1941
1942     eval envval=\$$envname
1943
1944     if test -n "$envval"
1945     then
1946         echo "$envname='$envval'" >> config.status
1947         echo "export $envname" >> config.status
1948     else
1949         echo "unset $envname" >> config.status
1950     fi
1951 }
1952
1953 # Preserve various env variables that influence what
1954 # features/build target configure will detect
1955 preserve_env AR
1956 preserve_env AS
1957 preserve_env CC
1958 preserve_env CFLAGS
1959 preserve_env CXX
1960 preserve_env CXXFLAGS
1961 preserve_env LD
1962 preserve_env LDFLAGS
1963 preserve_env LD_LIBRARY_PATH
1964 preserve_env NM
1965 preserve_env OBJCFLAGS
1966 preserve_env OBJCOPY
1967 preserve_env PATH
1968 preserve_env PKG_CONFIG
1969 preserve_env PKG_CONFIG_LIBDIR
1970 preserve_env PKG_CONFIG_PATH
1971 preserve_env PYTHON
1972 preserve_env QEMU_GA_MANUFACTURER
1973 preserve_env QEMU_GA_DISTRO
1974 preserve_env QEMU_GA_VERSION
1975 preserve_env SDL2_CONFIG
1976 preserve_env SMBD
1977 preserve_env STRIP
1978 preserve_env WIDL
1979 preserve_env WINDRES
1980 preserve_env WINDMC
1981
1982 printf "exec" >>config.status
1983 for i in "$0" "$@"; do
1984   test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
1985 done
1986 echo ' "$@"' >>config.status
1987 chmod +x config.status
1988
1989 rm -r "$TMPDIR1"