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 rm -f $TMPC
 334 cat > $TMPC <<EOF
 335 #if !defined($1)
 336 #error $1 not defined
 337 #endif
 338 int main(void) { return 0; }
 339 EOF
 340   compile_object
 341 }
 342
 343 write_c_skeleton() {
 344     cat > $TMPC <<EOF
 345 int main(void) { return 0; }
 346 EOF
 347 }
 348
 349 if check_define __linux__ ; then
 350   targetos=linux
 351 elif check_define _WIN32 ; then
 352   targetos=windows
 353 elif check_define __OpenBSD__ ; then
 354   targetos=openbsd
 355 elif check_define __sun__ ; then
 356   targetos=sunos
 357 elif check_define __HAIKU__ ; then
 358   targetos=haiku
 359 elif check_define __FreeBSD__ ; then
 360   targetos=freebsd
 361 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 362   targetos=gnu/kfreebsd
 363 elif check_define __DragonFly__ ; then
 364   targetos=dragonfly
 365 elif check_define __NetBSD__; then
 366   targetos=netbsd
 367 elif check_define __APPLE__; then
 368   targetos=darwin
 369 else
 370   # This is a fatal error, but don't report it yet, because we
 371   # might be going to just print the --help text, or it might
 372   # be the result of a missing compiler.
 373   targetos=bogus
 374 fi
 375
 376 # OS specific
 377
 378 mingw32="no"
 379 bsd="no"
 380 linux="no"
 381 solaris="no"
 382 case $targetos in
 383 windows)
 384   mingw32="yes"
 385   plugins="no"
 386   pie="no"
 387 ;;
 388 gnu/kfreebsd)
 389   bsd="yes"
 390 ;;
 391 freebsd)
 392   bsd="yes"
 393   # needed for kinfo_getvmmap(3) in libutil.h
 394 ;;
 395 dragonfly)
 396   bsd="yes"
 397 ;;
 398 netbsd)
 399   bsd="yes"
 400 ;;
 401 openbsd)
 402   bsd="yes"
 403 ;;
 404 darwin)
 405   bsd="yes"
 406   darwin="yes"
 407 ;;
 408 sunos)
 409   solaris="yes"
 410 ;;
 411 haiku)
 412   pie="no"
 413 ;;
 414 linux)
 415   linux="yes"
 416 ;;
 417 esac
 418
 419 if test ! -z "$cpu" ; then
 420   # command line argument
 421   :
 422 elif check_define __i386__ ; then
 423   cpu="i386"
 424 elif check_define __x86_64__ ; then
 425   if check_define __ILP32__ ; then
 426     cpu="x32"
 427   else
 428     cpu="x86_64"
 429   fi
 430 elif check_define __sparc__ ; then
 431   if check_define __arch64__ ; then
 432     cpu="sparc64"
 433   else
 434     cpu="sparc"
 435   fi
 436 elif check_define _ARCH_PPC ; then
 437   if check_define _ARCH_PPC64 ; then
 438     if check_define _LITTLE_ENDIAN ; then
 439       cpu="ppc64le"
 440     else
 441       cpu="ppc64"
 442     fi
 443   else
 444     cpu="ppc"
 445   fi
 446 elif check_define __mips__ ; then
 447   if check_define __mips64 ; then
 448     cpu="mips64"
 449   else
 450     cpu="mips"
 451   fi
 452 elif check_define __s390__ ; then
 453   if check_define __s390x__ ; then
 454     cpu="s390x"
 455   else
 456     cpu="s390"
 457   fi
 458 elif check_define __riscv ; then
 459   if check_define _LP64 ; then
 460     cpu="riscv64"
 461   else
 462     cpu="riscv32"
 463   fi
 464 elif check_define __arm__ ; then
 465   cpu="arm"
 466 elif check_define __aarch64__ ; then
 467   cpu="aarch64"
 468 elif check_define __loongarch64 ; then
 469   cpu="loongarch64"
 470 else
 471   # Using uname is really broken, but it is just a fallback for architectures
 472   # that are going to use TCI anyway
 473   cpu=$(uname -m)
 474   echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
 475 fi
 476
 477 # Normalise host CPU name to the values used by Meson cross files and in source
 478 # directories, and set multilib cflags.  The canonicalization isn't really
 479 # necessary, because the architectures that we check for should not hit the
 480 # 'uname -m' case, but better safe than sorry in case --cpu= is used.
 481 #
 482 # Note that this case should only have supported host CPUs, not guests.
 483 # Please keep it sorted and synchronized with meson.build's host_arch.
 484 host_arch=
 485 linux_arch=
 486 case "$cpu" in
 487   aarch64)
 488     host_arch=aarch64
 489     linux_arch=arm64
 490     ;;
 491
 492   armv*b|armv*l|arm)
 493     cpu=arm
 494     host_arch=arm
 495     linux_arch=arm
 496     ;;
 497
 498   i386|i486|i586|i686)
 499     cpu="i386"
 500     host_arch=i386
 501     linux_arch=x86
 502     CPU_CFLAGS="-m32"
 503     ;;
 504
 505   loongarch*)
 506     cpu=loongarch64
 507     host_arch=loongarch64
 508     ;;
 509
 510   mips64*)
 511     cpu=mips64
 512     host_arch=mips
 513     linux_arch=mips
 514     ;;
 515   mips*)
 516     cpu=mips
 517     host_arch=mips
 518     linux_arch=mips
 519     ;;
 520
 521   ppc)
 522     host_arch=ppc
 523     linux_arch=powerpc
 524     CPU_CFLAGS="-m32"
 525     ;;
 526   ppc64)
 527     host_arch=ppc64
 528     linux_arch=powerpc
 529     CPU_CFLAGS="-m64 -mbig-endian"
 530     ;;
 531   ppc64le)
 532     cpu=ppc64
 533     host_arch=ppc64
 534     linux_arch=powerpc
 535     CPU_CFLAGS="-m64 -mlittle-endian"
 536     ;;
 537
 538   riscv32 | riscv64)
 539     host_arch=riscv
 540     linux_arch=riscv
 541     ;;
 542
 543   s390)
 544     linux_arch=s390
 545     CPU_CFLAGS="-m31"
 546     ;;
 547   s390x)
 548     host_arch=s390x
 549     linux_arch=s390
 550     CPU_CFLAGS="-m64"
 551     ;;
 552
 553   sparc|sun4[cdmuv])
 554     cpu=sparc
 555     CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
 556     ;;
 557   sparc64)
 558     host_arch=sparc64
 559     CPU_CFLAGS="-m64 -mcpu=ultrasparc"
 560     ;;
 561
 562   x32)
 563     cpu="x86_64"
 564     host_arch=x86_64
 565     linux_arch=x86
 566     CPU_CFLAGS="-mx32"
 567     ;;
 568   x86_64|amd64)
 569     cpu="x86_64"
 570     host_arch=x86_64
 571     linux_arch=x86
 572     # ??? Only extremely old AMD cpus do not have cmpxchg16b.
 573     # If we truly care, we should simply detect this case at
 574     # runtime and generate the fallback to serial emulation.
 575     CPU_CFLAGS="-m64 -mcx16"
 576     ;;
 577 esac
 578
 579 if test -n "$host_arch" && {
 580     ! test -d "$source_path/linux-user/include/host/$host_arch" ||
 581     ! test -d "$source_path/common-user/host/$host_arch"; }; then
 582     error_exit "linux-user/include/host/$host_arch does not exist." \
 583        "This is a bug in the configure script, please report it."
 584 fi
 585 if test -n "$linux_arch" && ! test -d "$source_path/linux-headers/asm-$linux_arch"; then
 586     error_exit "linux-headers/asm-$linux_arch does not exist." \
 587        "This is a bug in the configure script, please report it."
 588 fi
 589
 590 check_py_version() {
 591     # We require python >= 3.7.
 592     # NB: a True python conditional creates a non-zero return code (Failure)
 593     "$1" -c 'import sys; sys.exit(sys.version_info < (3,7))'
 594 }
 595
 596 first_python=
 597 if test -z "${PYTHON}"; then
 598     # A bare 'python' is traditionally python 2.x, but some distros
 599     # have it as python 3.x, so check in both places.
 600     for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7; do
 601         if has "$binary"; then
 602             python=$(command -v "$binary")
 603             if check_py_version "$python"; then
 604                 # This one is good.
 605                 first_python=
 606                 break
 607             else
 608                 first_python=$python
 609             fi
 610         fi
 611     done
 612 else
 613     # Same as above, but only check the environment variable.
 614     has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
 615     python=$(command -v "$PYTHON")
 616     if check_py_version "$python"; then
 617         # This one is good.
 618         first_python=
 619     else
 620         first_python=$first_python
 621     fi
 622 fi
 623
 624 # Check for ancillary tools used in testing
 625 genisoimage=
 626 for binary in genisoimage mkisofs
 627 do
 628     if has $binary
 629     then
 630         genisoimage=$(command -v "$binary")
 631         break
 632     fi
 633 done
 634
 635 if test "$mingw32" = "yes" ; then
 636   EXESUF=".exe"
 637   prefix="/qemu"
 638   bindir=""
 639   qemu_suffix=""
 640 fi
 641
 642 meson_option_build_array() {
 643   printf '['
 644   (if test "$targetos" = windows; then
 645     IFS=\;
 646   else
 647     IFS=:
 648   fi
 649   for e in $1; do
 650     printf '"""'
 651     # backslash escape any '\' and '"' characters
 652     printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
 653     printf '""",'
 654   done)
 655   printf ']\n'
 656 }
 657
 658 . "$source_path/scripts/meson-buildoptions.sh"
 659
 660 meson_options=
 661 meson_option_add() {
 662   meson_options="$meson_options $(quote_sh "$1")"
 663 }
 664 meson_option_parse() {
 665   meson_options="$meson_options $(_meson_option_parse "$@")"
 666   if test $? -eq 1; then
 667     echo "ERROR: unknown option $1"
 668     echo "Try '$0 --help' for more information"
 669     exit 1
 670   fi
 671 }
 672
 673 for opt do
 674   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 675   case "$opt" in
 676   --help|-h) show_help=yes
 677   ;;
 678   --version|-V) exec cat "$source_path/VERSION"
 679   ;;
 680   --prefix=*) prefix="$optarg"
 681   ;;
 682   --cross-prefix=*)
 683   ;;
 684   --cc=*)
 685   ;;
 686   --host-cc=*) host_cc="$optarg"
 687   ;;
 688   --cxx=*)
 689   ;;
 690   --objcc=*)
 691   ;;
 692   --make=*)
 693   ;;
 694   --install=*)
 695   ;;
 696   --python=*) python="$optarg"
 697   ;;
 698   --skip-meson) skip_meson=yes
 699   ;;
 700   --ninja=*) ninja="$optarg"
 701   ;;
 702   --smbd=*) smbd="$optarg"
 703   ;;
 704   --extra-cflags=*)
 705   ;;
 706   --extra-cxxflags=*)
 707   ;;
 708   --extra-objcflags=*)
 709   ;;
 710   --extra-ldflags=*)
 711   ;;
 712   --cross-cc-*)
 713   ;;
 714   --cross-prefix-*)
 715   ;;
 716   --enable-docs) docs=enabled
 717   ;;
 718   --disable-docs) docs=disabled
 719   ;;
 720   --cpu=*)
 721   ;;
 722   --target-list=*) target_list="$optarg"
 723                    if test "$target_list_exclude"; then
 724                        error_exit "Can't mix --target-list with --target-list-exclude"
 725                    fi
 726   ;;
 727   --target-list-exclude=*) target_list_exclude="$optarg"
 728                    if test "$target_list"; then
 729                        error_exit "Can't mix --target-list-exclude with --target-list"
 730                    fi
 731   ;;
 732   --with-default-devices) meson_option_add -Ddefault_devices=true
 733   ;;
 734   --without-default-devices) meson_option_add -Ddefault_devices=false
 735   ;;
 736   --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
 737   ;;
 738   --with-devices-*) device_arch=${opt#--with-devices-};
 739                     device_arch=${device_arch%%=*}
 740                     cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
 741                     if test -f "$cf"; then
 742                         device_archs="$device_archs $device_arch"
 743                         eval "devices_${device_arch}=\$optarg"
 744                     else
 745                         error_exit "File $cf does not exist"
 746                     fi
 747   ;;
 748   --without-default-features) # processed above
 749   ;;
 750   --static) static="yes"
 751   ;;
 752   --bindir=*) bindir="$optarg"
 753   ;;
 754   --with-suffix=*) qemu_suffix="$optarg"
 755   ;;
 756   --host=*|--build=*|\
 757   --disable-dependency-tracking|\
 758   --sbindir=*|--sharedstatedir=*|\
 759   --oldincludedir=*|--datarootdir=*|--infodir=*|\
 760   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 761     # These switches are silently ignored, for compatibility with
 762     # autoconf-generated configure scripts. This allows QEMU's
 763     # configure to be used by RPM and similar macros that set
 764     # lots of directory switches by default.
 765   ;;
 766   --enable-debug-tcg) debug_tcg="yes"
 767   ;;
 768   --disable-debug-tcg) debug_tcg="no"
 769   ;;
 770   --enable-debug)
 771       # Enable debugging options that aren't excessively noisy
 772       debug_tcg="yes"
 773       meson_option_parse --enable-debug-graph-lock ""
 774       meson_option_parse --enable-debug-mutex ""
 775       meson_option_add -Doptimization=0
 776   ;;
 777   --disable-tcg) tcg="disabled"
 778                  plugins="no"
 779   ;;
 780   --enable-tcg) tcg="enabled"
 781   ;;
 782   --disable-system) softmmu="no"
 783   ;;
 784   --enable-system) softmmu="yes"
 785   ;;
 786   --disable-user)
 787       linux_user="no" ;
 788       bsd_user="no" ;
 789   ;;
 790   --enable-user) ;;
 791   --disable-linux-user) linux_user="no"
 792   ;;
 793   --enable-linux-user) linux_user="yes"
 794   ;;
 795   --disable-bsd-user) bsd_user="no"
 796   ;;
 797   --enable-bsd-user) bsd_user="yes"
 798   ;;
 799   --enable-pie) pie="yes"
 800   ;;
 801   --disable-pie) pie="no"
 802   ;;
 803   --enable-werror) werror="yes"
 804   ;;
 805   --disable-werror) werror="no"
 806   ;;
 807   --enable-cfi)
 808       cfi="true";
 809       meson_option_add -Db_lto=true
 810   ;;
 811   --disable-cfi) cfi="false"
 812   ;;
 813   --disable-download) download="disabled"; git_submodules_action=validate;
 814   ;;
 815   --enable-download) download="enabled"; git_submodules_action=update;
 816   ;;
 817   --enable-plugins) if test "$mingw32" = "yes"; then
 818                         error_exit "TCG plugins not currently supported on Windows platforms"
 819                     else
 820                         plugins="yes"
 821                     fi
 822   ;;
 823   --disable-plugins) plugins="no"
 824   ;;
 825   --enable-containers) use_containers="yes"
 826   ;;
 827   --disable-containers) use_containers="no"
 828   ;;
 829   --gdb=*) gdb_bin="$optarg"
 830   ;;
 831   # everything else has the same name in configure and meson
 832   --*) meson_option_parse "$opt" "$optarg"
 833   ;;
 834   # Pass through -Dxxxx options to meson
 835   -D*) meson_options="$meson_options $opt"
 836   ;;
 837   esac
 838 done
 839
 840 if ! test -e "$source_path/.git"
 841 then
 842     git_submodules_action="validate"
 843 fi
 844
 845 # test for any invalid configuration combinations
 846 if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
 847     error_exit "Can't enable plugins on non-TCG builds"
 848 fi
 849
 850 if ! test -f "$source_path/subprojects/keycodemapdb/README" \
 851     && test "$download" = disabled
 852 then
 853     echo
 854     echo "ERROR: missing subprojects"
 855     echo
 856     if test -e "$source_path/.git"; then
 857         echo "--disable-download specified but subprojects were not"
 858         echo 'checked out.  Please invoke "meson subprojects download"'
 859         echo "before configuring QEMU, or remove --disable-download"
 860         echo "from the command line."
 861     else
 862         echo "This is not a GIT checkout but subproject content appears to"
 863         echo "be missing. Do not use 'git archive' or GitHub download links"
 864         echo "to acquire QEMU source archives. Non-GIT builds are only"
 865         echo "supported with source archives linked from:"
 866         echo
 867         echo "  https://www.qemu.org/download/#source"
 868         echo
 869         echo "Developers working with GIT can use scripts/archive-source.sh"
 870         echo "if they need to create valid source archives."
 871     fi
 872     echo
 873     exit 1
 874 fi
 875
 876 default_target_list=""
 877 mak_wilds=""
 878
 879 if [ "$linux_user" != no ]; then
 880     if [ "$targetos" = linux ] && [ -n "$host_arch" ]; then
 881         linux_user=yes
 882     elif [ "$linux_user" = yes ]; then
 883         error_exit "linux-user not supported on this architecture"
 884     fi
 885 fi
 886 if [ "$bsd_user" != no ]; then
 887     if [ "$bsd_user" = "" ]; then
 888         test $targetos = freebsd && bsd_user=yes
 889     fi
 890     if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
 891         error_exit "bsd-user not supported on this host OS"
 892     fi
 893 fi
 894 if [ "$softmmu" = "yes" ]; then
 895     mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
 896 fi
 897 if [ "$linux_user" = "yes" ]; then
 898     mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
 899 fi
 900 if [ "$bsd_user" = "yes" ]; then
 901     mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
 902 fi
 903
 904 for config in $mak_wilds; do
 905     target="$(basename "$config" .mak)"
 906     if echo "$target_list_exclude" | grep -vq "$target"; then
 907         default_target_list="${default_target_list} $target"
 908     fi
 909 done
 910
 911 if test x"$show_help" = x"yes" ; then
 912 cat << EOF
 913
 914 Usage: configure [options]
 915 Options: [defaults in brackets after descriptions]
 916
 917 Standard options:
 918   --help                   print this message
 919   --prefix=PREFIX          install in PREFIX [$prefix]
 920   --target-list=LIST       set target list (default: build all)
 921 $(echo Available targets: $default_target_list | \
 922   fold -s -w 53 | sed -e 's/^/                           /')
 923   --target-list-exclude=LIST exclude a set of targets from the default target-list
 924
 925 Advanced options (experts only):
 926   -Dmesonoptname=val       passthrough option to meson unmodified
 927   --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
 928   --cc=CC                  use C compiler CC [$cc]
 929   --host-cc=CC             use C compiler CC [$host_cc] for code run at
 930                            build time
 931   --cxx=CXX                use C++ compiler CXX [$cxx]
 932   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
 933   --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
 934   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
 935   --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
 936   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
 937   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
 938   --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
 939   --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
 940   --python=PYTHON          use specified python [$python]
 941   --ninja=NINJA            use specified ninja [$ninja]
 942   --smbd=SMBD              use specified smbd [$smbd]
 943   --static                 enable static build [$static]
 944   --bindir=PATH            install binaries in PATH
 945   --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
 946   --without-default-features default all --enable-* options to "disabled"
 947   --without-default-devices  do not include any device that is not needed to
 948                            start the emulator (only use if you are including
 949                            desired devices in configs/devices/)
 950   --with-devices-ARCH=NAME override default configs/devices
 951   --enable-debug           enable common debug build options
 952   --disable-werror         disable compilation abort on warning
 953   --cpu=CPU                Build for host CPU [$cpu]
 954   --enable-plugins
 955                            enable plugins via shared library loading
 956   --disable-containers     don't use containers for cross-building
 957   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
 958 EOF
 959   meson_options_help
 960 cat << EOF
 961   system          all system emulation targets
 962   user            supported user emulation targets
 963   linux-user      all linux usermode emulation targets
 964   bsd-user        all BSD usermode emulation targets
 965   pie             Position Independent Executables
 966   debug-tcg       TCG debugging (default is disabled)
 967
 968 NOTE: The object files are built at the place where configure is launched
 969 EOF
 970 exit 0
 971 fi
 972
 973 # Remove old dependency files to make sure that they get properly regenerated
 974 rm -f ./*/config-devices.mak.d
 975
 976 if test -z "$python"
 977 then
 978     # If first_python is set, there was a binary somewhere even though
 979     # it was not suitable.  Use it for the error message.
 980     if test -n "$first_python"; then
 981         error_exit "Cannot use '$first_python', Python >= 3.7 is required." \
 982             "Use --python=/path/to/python to specify a supported Python."
 983     else
 984         error_exit "Python not found. Use --python=/path/to/python"
 985     fi
 986 fi
 987
 988 if ! check_py_version "$python"; then
 989   error_exit "Cannot use '$python', Python >= 3.7 is required." \
 990              "Use --python=/path/to/python to specify a supported Python." \
 991              "Maybe try:" \
 992              "  openSUSE Leap 15.3+: zypper install python39" \
 993              "  CentOS 8: dnf install python38"
 994 fi
 995
 996 # Resolve PATH
 997 python="$(command -v "$python")"
 998
 999 # Create a Python virtual environment using our configured python.
1000 # The stdout of this script will be the location of a symlink that
1001 # points to the configured Python.
1002 # Entry point scripts for pip, meson, and sphinx are generated if those
1003 # packages are present.
1004
1005 # Defaults assumed for now:
1006 # - venv is cleared if it exists already;
1007 # - venv is allowed to use system packages;
1008 # - all setup can be performed offline;
1009 # - missing packages may be fetched from PyPI,
1010 #   unless --disable-download is passed.
1011 # - pip is not installed into the venv when possible,
1012 #   but ensurepip is called as a fallback when necessary.
1013
1014 echo "python determined to be '$python'"
1015 echo "python version: $($python --version)"
1016
1017 python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
1018 if test "$?" -ne 0 ; then
1019     error_exit "python venv creation failed"
1020 fi
1021
1022 # Suppress writing compiled files
1023 python="$python -B"
1024 mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
1025
1026 mkvenv_flags=""
1027 if test "$download" = "enabled" ; then
1028     mkvenv_flags="--online"
1029 fi
1030
1031 if ! $mkvenv ensure \
1032      $mkvenv_flags \
1033      --dir "${source_path}/python/wheels" \
1034      --diagnose "meson" \
1035      "meson>=0.63.0" ;
1036 then
1037     exit 1
1038 fi
1039
1040 # At this point, we expect Meson to be installed and available.
1041 # We expect mkvenv or pip to have created pyvenv/bin/meson for us.
1042 # We ignore PATH completely here: we want to use the venv's Meson
1043 # *exclusively*.
1044
1045 meson="$(cd pyvenv/bin; pwd)/meson"
1046
1047 # Conditionally ensure Sphinx is installed.
1048
1049 mkvenv_flags=""
1050 if test "$download" = "enabled" -a "$docs" = "enabled" ; then
1051     mkvenv_flags="--online"
1052 fi
1053
1054 if test "$docs" != "disabled" ; then
1055     if ! $mkvenv ensure \
1056          $mkvenv_flags \
1057          --diagnose "sphinx-build" \
1058          "sphinx>=1.6.0" "sphinx-rtd-theme>=0.5.0";
1059     then
1060         if test "$docs" = "enabled" ; then
1061             exit 1
1062         fi
1063         echo "Sphinx not found/usable, disabling docs."
1064         docs=disabled
1065     else
1066         docs=enabled
1067     fi
1068 fi
1069
1070 # Probe for ninja
1071
1072 if test -z "$ninja"; then
1073     for c in ninja ninja-build samu; do
1074         if has $c; then
1075             ninja=$(command -v "$c")
1076             break
1077         fi
1078     done
1079     if test -z "$ninja"; then
1080       error_exit "Cannot find Ninja"
1081     fi
1082 fi
1083
1084 # Consult white-list to determine whether to enable werror
1085 # by default.  Only enable by default for git builds
1086 if test -z "$werror" ; then
1087     if test -e "$source_path/.git" && \
1088         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1089         werror="yes"
1090     else
1091         werror="no"
1092     fi
1093 fi
1094
1095 if test "$targetos" = "bogus"; then
1096     # Now that we know that we're not printing the help and that
1097     # the compiler works (so the results of the check_defines we used
1098     # to identify the OS are reliable), if we didn't recognize the
1099     # host OS we should stop now.
1100     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1101 fi
1102
1103 if test "$static" = "yes" ; then
1104   if test "$plugins" = "yes"; then
1105     error_exit "static and plugins are mutually incompatible"
1106   else
1107     plugins="no"
1108   fi
1109 fi
1110 test "$plugins" = "" && plugins=yes
1111
1112 cat > $TMPC << EOF
1113
1114 #ifdef __linux__
1115 #  define THREAD __thread
1116 #else
1117 #  define THREAD
1118 #endif
1119 static THREAD int tls_var;
1120 int main(void) { return tls_var; }
1121 EOF
1122
1123 if test "$static" = "yes"; then
1124   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1125     pie="yes"
1126   elif test "$pie" = "yes"; then
1127     error_exit "-static-pie not available due to missing toolchain support"
1128   else
1129     pie="no"
1130   fi
1131 elif test "$pie" != "no"; then
1132   if compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1133     pie="yes"
1134   elif test "$pie" = "yes"; then
1135     error_exit "PIE not available due to missing toolchain support"
1136   else
1137     echo "Disabling PIE due to missing toolchain support"
1138     pie="no"
1139   fi
1140 fi
1141
1142 ##########################################
1143
1144 if test -z "${target_list+xxx}" ; then
1145     default_targets=yes
1146     for target in $default_target_list; do
1147         target_list="$target_list $target"
1148     done
1149     target_list="${target_list# }"
1150 else
1151     default_targets=no
1152     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1153     for target in $target_list; do
1154         # Check that we recognised the target name; this allows a more
1155         # friendly error message than if we let it fall through.
1156         case " $default_target_list " in
1157             *" $target "*)
1158                 ;;
1159             *)
1160                 error_exit "Unknown target name '$target'"
1161                 ;;
1162         esac
1163     done
1164 fi
1165
1166 # see if system emulation was really requested
1167 case " $target_list " in
1168   *"-softmmu "*) softmmu=yes
1169   ;;
1170   *) softmmu=no
1171   ;;
1172 esac
1173
1174 if test "$tcg" = "auto"; then
1175   if test -z "$target_list"; then
1176     tcg="disabled"
1177   else
1178     tcg="enabled"
1179   fi
1180 fi
1181
1182 ##########################################
1183 # big/little endian test
1184 cat > $TMPC << EOF
1185 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1186 # error LITTLE
1187 #endif
1188 int main(void) { return 0; }
1189 EOF
1190
1191 if ! compile_prog ; then
1192   bigendian="no"
1193 else
1194   cat > $TMPC << EOF
1195 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1196 # error BIG
1197 #endif
1198 int main(void) { return 0; }
1199 EOF
1200
1201   if ! compile_prog ; then
1202     bigendian="yes"
1203   else
1204     echo big/little test failed
1205     exit 1
1206   fi
1207 fi
1208
1209 ########################################
1210 # check if ccache is interfering with
1211 # semantic analysis of macros
1212
1213 unset CCACHE_CPP2
1214 ccache_cpp2=no
1215 cat > $TMPC << EOF
1216 static const int Z = 1;
1217 #define fn() ({ Z; })
1218 #define TAUT(X) ((X) == Z)
1219 #define PAREN(X, Y) (X == Y)
1220 #define ID(X) (X)
1221 int main(void)
1222 {
1223     int x = 0, y = 0;
1224     x = ID(x);
1225     x = fn();
1226     fn();
1227     if (PAREN(x, y)) return 0;
1228     if (TAUT(Z)) return 0;
1229     return 0;
1230 }
1231 EOF
1232
1233 if ! compile_object "-Werror"; then
1234     ccache_cpp2=yes
1235 fi
1236
1237 ##########################################
1238 # functions to probe cross compilers
1239
1240 container="no"
1241 runc=""
1242 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1243     case $($python "$source_path"/tests/docker/docker.py probe) in
1244         *docker) container=docker ;;
1245         podman) container=podman ;;
1246         no) container=no ;;
1247     esac
1248     if test "$container" != "no"; then
1249         docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1250         runc=$($python "$source_path"/tests/docker/docker.py probe)
1251     fi
1252 fi
1253
1254 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1255 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1256 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1257 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1258 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1259 : ${cross_prefix_armeb="$cross_prefix_arm"}
1260 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1261 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1262 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1263 : ${cross_prefix_i386="i686-linux-gnu-"}
1264 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1265 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1266 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1267 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1268 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1269 : ${cross_prefix_mips="mips-linux-gnu-"}
1270 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1271 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1272 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1273 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1274 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1275 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1276 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1277 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1278 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1279 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1280
1281 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1282 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1283 : ${cross_cc_armeb="$cross_cc_arm"}
1284 : ${cross_cc_cflags_armeb="-mbig-endian"}
1285 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1286 : ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1287 : ${cross_cc_cflags_i386="-m32"}
1288 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1289 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1290 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1291 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1292 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1293 : ${cross_cc_sparc="$cross_cc_sparc64"}
1294 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1295 : ${cross_cc_cflags_x86_64="-m64"}
1296
1297 compute_target_variable() {
1298   eval "$2="
1299   if eval test -n "\"\${cross_prefix_$1}\""; then
1300     if eval has "\"\${cross_prefix_$1}\$3\""; then
1301       eval "$2=\"\${cross_prefix_$1}\$3\""
1302     fi
1303   fi
1304 }
1305
1306 have_target() {
1307   for i; do
1308     case " $target_list " in
1309       *" $i "*) return 0;;
1310       *) ;;
1311     esac
1312   done
1313   return 1
1314 }
1315
1316 # probe_target_compiler TARGET
1317 #
1318 # Look for a compiler for the given target, either native or cross.
1319 # Set variables target_* if a compiler is found, and container_cross_*
1320 # if a Docker-based cross-compiler image is known for the target.
1321 # Set got_cross_cc to yes/no depending on whether a non-container-based
1322 # compiler was found.
1323 #
1324 # If TARGET is a user-mode emulation target, also set build_static to
1325 # "y" if static linking is possible.
1326 #
1327 probe_target_compiler() {
1328   # reset all output variables
1329   got_cross_cc=no
1330   container_image=
1331   container_hosts=
1332   container_cross_cc=
1333   container_cross_ar=
1334   container_cross_as=
1335   container_cross_ld=
1336   container_cross_nm=
1337   container_cross_objcopy=
1338   container_cross_ranlib=
1339   container_cross_strip=
1340
1341   target_arch=${1%%-*}
1342   case $target_arch in
1343     aarch64) container_hosts="x86_64 aarch64" ;;
1344     alpha) container_hosts=x86_64 ;;
1345     arm) container_hosts="x86_64 aarch64" ;;
1346     cris) container_hosts=x86_64 ;;
1347     hexagon) container_hosts=x86_64 ;;
1348     hppa) container_hosts=x86_64 ;;
1349     i386) container_hosts=x86_64 ;;
1350     loongarch64) container_hosts=x86_64 ;;
1351     m68k) container_hosts=x86_64 ;;
1352     microblaze) container_hosts=x86_64 ;;
1353     mips64el) container_hosts=x86_64 ;;
1354     mips64) container_hosts=x86_64 ;;
1355     mipsel) container_hosts=x86_64 ;;
1356     mips) container_hosts=x86_64 ;;
1357     nios2) container_hosts=x86_64 ;;
1358     ppc) container_hosts=x86_64 ;;
1359     ppc64|ppc64le) container_hosts=x86_64 ;;
1360     riscv64) container_hosts=x86_64 ;;
1361     s390x) container_hosts=x86_64 ;;
1362     sh4) container_hosts=x86_64 ;;
1363     sparc64) container_hosts=x86_64 ;;
1364     tricore) container_hosts=x86_64 ;;
1365     x86_64) container_hosts="aarch64 ppc64el x86_64" ;;
1366     xtensa*) container_hosts=x86_64 ;;
1367   esac
1368
1369   for host in $container_hosts; do
1370     test "$container" != no || continue
1371     test "$host" = "$cpu" || continue
1372     case $target_arch in
1373       aarch64)
1374         # We don't have any bigendian build tools so we only use this for AArch64
1375         container_image=debian-arm64-cross
1376         container_cross_prefix=aarch64-linux-gnu-
1377         container_cross_cc=${container_cross_prefix}gcc-10
1378         ;;
1379       alpha)
1380         container_image=debian-alpha-cross
1381         container_cross_prefix=alpha-linux-gnu-
1382         ;;
1383       arm)
1384         # We don't have any bigendian build tools so we only use this for ARM
1385         container_image=debian-armhf-cross
1386         container_cross_prefix=arm-linux-gnueabihf-
1387         ;;
1388       cris)
1389         container_image=fedora-cris-cross
1390         container_cross_prefix=cris-linux-gnu-
1391         ;;
1392       hexagon)
1393         container_image=debian-hexagon-cross
1394         container_cross_prefix=hexagon-unknown-linux-musl-
1395         container_cross_cc=${container_cross_prefix}clang
1396         ;;
1397       hppa)
1398         container_image=debian-hppa-cross
1399         container_cross_prefix=hppa-linux-gnu-
1400         ;;
1401       i386)
1402         container_image=fedora-i386-cross
1403         container_cross_prefix=
1404         ;;
1405       loongarch64)
1406         container_image=debian-loongarch-cross
1407         container_cross_prefix=loongarch64-unknown-linux-gnu-
1408         ;;
1409       m68k)
1410         container_image=debian-m68k-cross
1411         container_cross_prefix=m68k-linux-gnu-
1412         ;;
1413       microblaze)
1414         container_image=debian-microblaze-cross
1415         container_cross_prefix=microblaze-linux-musl-
1416         ;;
1417       mips64el)
1418         container_image=debian-mips64el-cross
1419         container_cross_prefix=mips64el-linux-gnuabi64-
1420         ;;
1421       mips64)
1422         container_image=debian-mips64-cross
1423         container_cross_prefix=mips64-linux-gnuabi64-
1424         ;;
1425       mipsel)
1426         container_image=debian-mipsel-cross
1427         container_cross_prefix=mipsel-linux-gnu-
1428         ;;
1429       mips)
1430         container_image=debian-mips-cross
1431         container_cross_prefix=mips-linux-gnu-
1432         ;;
1433       nios2)
1434         container_image=debian-nios2-cross
1435         container_cross_prefix=nios2-linux-gnu-
1436         ;;
1437       ppc)
1438         container_image=debian-powerpc-test-cross
1439         container_cross_prefix=powerpc-linux-gnu-
1440         container_cross_cc=${container_cross_prefix}gcc-10
1441         ;;
1442       ppc64|ppc64le)
1443         container_image=debian-powerpc-test-cross
1444         container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1445         container_cross_cc=${container_cross_prefix}gcc-10
1446         ;;
1447       riscv64)
1448         container_image=debian-riscv64-test-cross
1449         container_cross_prefix=riscv64-linux-gnu-
1450         ;;
1451       s390x)
1452         container_image=debian-s390x-cross
1453         container_cross_prefix=s390x-linux-gnu-
1454         ;;
1455       sh4)
1456         container_image=debian-sh4-cross
1457         container_cross_prefix=sh4-linux-gnu-
1458         ;;
1459       sparc64)
1460         container_image=debian-sparc64-cross
1461         container_cross_prefix=sparc64-linux-gnu-
1462         ;;
1463       tricore)
1464         container_image=debian-tricore-cross
1465         container_cross_prefix=tricore-
1466         container_cross_as=tricore-as
1467         container_cross_ld=tricore-ld
1468         container_cross_cc=tricore-gcc
1469         break
1470         ;;
1471       x86_64)
1472         container_image=debian-amd64-cross
1473         container_cross_prefix=x86_64-linux-gnu-
1474         ;;
1475       xtensa*)
1476         container_hosts=x86_64
1477         container_image=debian-xtensa-cross
1478
1479         # default to the dc232b cpu
1480         container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1481         ;;
1482     esac
1483     : ${container_cross_cc:=${container_cross_prefix}gcc}
1484     : ${container_cross_ar:=${container_cross_prefix}ar}
1485     : ${container_cross_as:=${container_cross_prefix}as}
1486     : ${container_cross_ld:=${container_cross_prefix}ld}
1487     : ${container_cross_nm:=${container_cross_prefix}nm}
1488     : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1489     : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1490     : ${container_cross_strip:=${container_cross_prefix}strip}
1491   done
1492
1493   try=cross
1494   case "$target_arch:$cpu" in
1495     aarch64_be:aarch64 | \
1496     armeb:arm | \
1497     i386:x86_64 | \
1498     mips*:mips64 | \
1499     ppc*:ppc64 | \
1500     sparc:sparc64 | \
1501     "$cpu:$cpu")
1502       try='native cross' ;;
1503   esac
1504   eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1505   for thistry in $try; do
1506     case $thistry in
1507     native)
1508       target_cc=$cc
1509       target_ccas=$ccas
1510       target_ar=$ar
1511       target_as=$as
1512       target_ld=$ld
1513       target_nm=$nm
1514       target_objcopy=$objcopy
1515       target_ranlib=$ranlib
1516       target_strip=$strip
1517       ;;
1518     cross)
1519       target_cc=
1520       if eval test -n "\"\${cross_cc_$target_arch}\""; then
1521         if eval has "\"\${cross_cc_$target_arch}\""; then
1522           eval "target_cc=\"\${cross_cc_$target_arch}\""
1523         fi
1524       else
1525         compute_target_variable $target_arch target_cc gcc
1526       fi
1527       target_ccas=$target_cc
1528       compute_target_variable $target_arch target_ar ar
1529       compute_target_variable $target_arch target_as as
1530       compute_target_variable $target_arch target_ld ld
1531       compute_target_variable $target_arch target_nm nm
1532       compute_target_variable $target_arch target_objcopy objcopy
1533       compute_target_variable $target_arch target_ranlib ranlib
1534       compute_target_variable $target_arch target_strip strip
1535       ;;
1536     esac
1537
1538     if test -n "$target_cc"; then
1539       case $target_arch in
1540         i386|x86_64)
1541           if $target_cc --version | grep -qi "clang"; then
1542             continue
1543           fi
1544           ;;
1545       esac
1546     elif test -n "$target_as" && test -n "$target_ld"; then
1547       # Special handling for assembler only targets
1548       case $target in
1549         tricore-softmmu)
1550           build_static=
1551           got_cross_cc=yes
1552           break
1553           ;;
1554         *)
1555           continue
1556           ;;
1557       esac
1558     else
1559       continue
1560     fi
1561
1562     write_c_skeleton
1563     case $1 in
1564       *-softmmu)
1565         if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1566           do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1567           got_cross_cc=yes
1568           break
1569         fi
1570         ;;
1571       *)
1572         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1573           build_static=y
1574           got_cross_cc=yes
1575           break
1576         fi
1577         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1578           build_static=
1579           got_cross_cc=yes
1580           break
1581         fi
1582         ;;
1583     esac
1584   done
1585   if test $got_cross_cc != yes; then
1586     build_static=
1587     target_cc=
1588     target_ccas=
1589     target_ar=
1590     target_as=
1591     target_ld=
1592     target_nm=
1593     target_objcopy=
1594     target_ranlib=
1595     target_strip=
1596   fi
1597   test -n "$target_cc"
1598 }
1599
1600 write_target_makefile() {
1601   echo "EXTRA_CFLAGS=$target_cflags"
1602   if test -z "$target_cc" && test -z "$target_as"; then
1603     test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1604     echo "$1: docker-image-$container_image" >> Makefile.prereqs
1605     if test -n "$container_cross_cc"; then
1606       echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1607       echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1608     fi
1609     echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1610     echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1611     echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1612     echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1613     echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1614     echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1615     echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1616   else
1617     if test -n "$target_cc"; then
1618       echo "CC=$target_cc"
1619       echo "CCAS=$target_ccas"
1620     fi
1621     if test -n "$target_ar"; then
1622       echo "AR=$target_ar"
1623     fi
1624     if test -n "$target_as"; then
1625       echo "AS=$target_as"
1626     fi
1627     if test -n "$target_ld"; then
1628       echo "LD=$target_ld"
1629     fi
1630     if test -n "$target_nm"; then
1631       echo "NM=$target_nm"
1632     fi
1633     if test -n "$target_objcopy"; then
1634       echo "OBJCOPY=$target_objcopy"
1635     fi
1636     if test -n "$target_ranlib"; then
1637       echo "RANLIB=$target_ranlib"
1638     fi
1639     if test -n "$target_strip"; then
1640       echo "STRIP=$target_strip"
1641     fi
1642   fi
1643 }
1644
1645 #######################################
1646 # cross-compiled firmware targets
1647
1648 # Set up build tree symlinks that point back into the source tree
1649 # (these can be both files and directories).
1650 # Caution: avoid adding files or directories here using wildcards. This
1651 # will result in problems later if a new file matching the wildcard is
1652 # added to the source tree -- nothing will cause configure to be rerun
1653 # so the build tree will be missing the link back to the new file, and
1654 # tests might fail. Prefer to keep the relevant files in their own
1655 # directory and symlink the directory instead.
1656 LINKS="Makefile"
1657 LINKS="$LINKS docs/config"
1658 LINKS="$LINKS pc-bios/optionrom/Makefile"
1659 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1660 LINKS="$LINKS pc-bios/vof/Makefile"
1661 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1662 LINKS="$LINKS tests/avocado tests/data"
1663 LINKS="$LINKS tests/qemu-iotests/check"
1664 LINKS="$LINKS python"
1665 LINKS="$LINKS contrib/plugins/Makefile "
1666 for f in $LINKS ; do
1667     if [ -e "$source_path/$f" ]; then
1668         symlink "$source_path/$f" "$f"
1669     fi
1670 done
1671
1672 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1673
1674 # Mac OS X ships with a broken assembler
1675 roms=
1676 if have_target i386-softmmu x86_64-softmmu && \
1677         test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
1678         test "$targetos" != "haiku" && \
1679         probe_target_compiler i386-softmmu; then
1680     roms="pc-bios/optionrom"
1681     config_mak=pc-bios/optionrom/config.mak
1682     echo "# Automatically generated by configure - do not modify" > $config_mak
1683     echo "TOPSRC_DIR=$source_path" >> $config_mak
1684     write_target_makefile >> $config_mak
1685 fi
1686
1687 if have_target ppc-softmmu ppc64-softmmu && \
1688         probe_target_compiler ppc-softmmu; then
1689     roms="$roms pc-bios/vof"
1690     config_mak=pc-bios/vof/config.mak
1691     echo "# Automatically generated by configure - do not modify" > $config_mak
1692     echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1693     write_target_makefile >> $config_mak
1694 fi
1695
1696 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1697 # (which is the lowest architecture level that Clang supports)
1698 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu && \
1699     GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" roms/SLOF >> config.log 2>&1; then
1700   write_c_skeleton
1701   do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1702   has_z900=$?
1703   if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1704     if [ $has_z900 != 0 ]; then
1705       echo "WARNING: Your compiler does not support the z900!"
1706       echo "         The s390-ccw bios will only work with guest CPUs >= z10."
1707     fi
1708     roms="$roms pc-bios/s390-ccw"
1709     config_mak=pc-bios/s390-ccw/config-host.mak
1710     echo "# Automatically generated by configure - do not modify" > $config_mak
1711     echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1712     echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_mak
1713     write_target_makefile >> $config_mak
1714   fi
1715 fi
1716
1717 #######################################
1718 # generate config-host.mak
1719
1720 config_host_mak="config-host.mak"
1721
1722 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1723 echo >> $config_host_mak
1724
1725 echo all: >> $config_host_mak
1726
1727 if test "$debug_tcg" = "yes" ; then
1728   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
1729 fi
1730 if test "$mingw32" = "yes" ; then
1731   echo "CONFIG_WIN32=y" >> $config_host_mak
1732   echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak
1733   echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak
1734   echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak
1735 else
1736   echo "CONFIG_POSIX=y" >> $config_host_mak
1737 fi
1738
1739 if test "$linux" = "yes" ; then
1740   echo "CONFIG_LINUX=y" >> $config_host_mak
1741 fi
1742
1743 if test "$darwin" = "yes" ; then
1744   echo "CONFIG_DARWIN=y" >> $config_host_mak
1745 fi
1746
1747 if test "$solaris" = "yes" ; then
1748   echo "CONFIG_SOLARIS=y" >> $config_host_mak
1749 fi
1750 echo "SRC_PATH=$source_path" >> $config_host_mak
1751 echo "TARGET_DIRS=$target_list" >> $config_host_mak
1752
1753 # XXX: suppress that
1754 if [ "$bsd" = "yes" ] ; then
1755   echo "CONFIG_BSD=y" >> $config_host_mak
1756 fi
1757
1758 if test "$plugins" = "yes" ; then
1759     echo "CONFIG_PLUGIN=y" >> $config_host_mak
1760 fi
1761
1762 if test -n "$gdb_bin"; then
1763     gdb_version=$($gdb_bin --version | head -n 1)
1764     if version_ge ${gdb_version##* } 9.1; then
1765         echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1766         gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1767     else
1768         gdb_bin=""
1769     fi
1770 fi
1771
1772 if test "$container" != no; then
1773     echo "ENGINE=$container" >> $config_host_mak
1774     echo "RUNC=$runc" >> $config_host_mak
1775 fi
1776 echo "ROMS=$roms" >> $config_host_mak
1777 echo "PYTHON=$python" >> $config_host_mak
1778 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1779 echo "MESON=$meson" >> $config_host_mak
1780 echo "NINJA=$ninja" >> $config_host_mak
1781 echo "PKG_CONFIG=${pkg_config}" >> $config_host_mak
1782 echo "CC=$cc" >> $config_host_mak
1783 echo "EXESUF=$EXESUF" >> $config_host_mak
1784
1785 # use included Linux headers for KVM architectures
1786 if test "$linux" = "yes" && test -n "$linux_arch"; then
1787   symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1788 fi
1789
1790 for target in $target_list; do
1791     target_dir="$target"
1792     target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
1793     mkdir -p "$target_dir"
1794     case $target in
1795         *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
1796         *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
1797     esac
1798 done
1799
1800 if test "$default_targets" = "yes"; then
1801   echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1802 fi
1803
1804 if test "$ccache_cpp2" = "yes"; then
1805   echo "export CCACHE_CPP2=y" >> $config_host_mak
1806 fi
1807
1808 # tests/tcg configuration
1809 (config_host_mak=tests/tcg/config-host.mak
1810 mkdir -p tests/tcg
1811 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1812 echo "SRC_PATH=$source_path" >> $config_host_mak
1813 echo "HOST_CC=$host_cc" >> $config_host_mak
1814
1815 # versioned checked in the main config_host.mak above
1816 if test -n "$gdb_bin"; then
1817     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1818 fi
1819 if test "$plugins" = "yes" ; then
1820     echo "CONFIG_PLUGIN=y" >> $config_host_mak
1821 fi
1822
1823 tcg_tests_targets=
1824 for target in $target_list; do
1825   arch=${target%%-*}
1826
1827   case $target in
1828     xtensa*-linux-user)
1829       # the toolchain is not complete with headers, only build softmmu tests
1830       continue
1831       ;;
1832     *-softmmu)
1833       test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1834       qemu="qemu-system-$arch"
1835       ;;
1836     *-linux-user|*-bsd-user)
1837       qemu="qemu-$arch"
1838       ;;
1839   esac
1840
1841   if probe_target_compiler $target || test -n "$container_image"; then
1842       test -n "$container_image" && build_static=y
1843       mkdir -p "tests/tcg/$target"
1844       config_target_mak=tests/tcg/$target/config-target.mak
1845       ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1846       echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1847       echo "TARGET_NAME=$arch" >> "$config_target_mak"
1848       echo "TARGET=$target" >> "$config_target_mak"
1849       write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1850       echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1851       echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1852
1853       # will GDB work with these binaries?
1854       if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1855           echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak"
1856       fi
1857
1858       echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1859       tcg_tests_targets="$tcg_tests_targets $target"
1860   fi
1861 done
1862
1863 if test "$tcg" = "enabled"; then
1864     echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
1865 fi
1866 )
1867
1868 if test "$skip_meson" = no; then
1869   cross="config-meson.cross.new"
1870   meson_quote() {
1871     test $# = 0 && return
1872     echo "'$(echo $* | sed "s/ /','/g")'"
1873   }
1874
1875   echo "# Automatically generated by configure - do not modify" > $cross
1876   echo "[properties]" >> $cross
1877
1878   # unroll any custom device configs
1879   for a in $device_archs; do
1880       eval "c=\$devices_${a}"
1881       echo "${a}-softmmu = '$c'" >> $cross
1882   done
1883
1884   echo "[built-in options]" >> $cross
1885   echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1886   echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1887   test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1888   echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1889   echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1890   echo "[binaries]" >> $cross
1891   echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1892   test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1893   test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1894   echo "ar = [$(meson_quote $ar)]" >> $cross
1895   echo "nm = [$(meson_quote $nm)]" >> $cross
1896   echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1897   echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1898   if has $sdl2_config; then
1899     echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1900   fi
1901   echo "strip = [$(meson_quote $strip)]" >> $cross
1902   echo "widl = [$(meson_quote $widl)]" >> $cross
1903   echo "windres = [$(meson_quote $windres)]" >> $cross
1904   echo "windmc = [$(meson_quote $windmc)]" >> $cross
1905   if test "$cross_compile" = "yes"; then
1906     cross_arg="--cross-file config-meson.cross"
1907     echo "[host_machine]" >> $cross
1908     echo "system = '$targetos'" >> $cross
1909     case "$cpu" in
1910         i386)
1911             echo "cpu_family = 'x86'" >> $cross
1912             ;;
1913         *)
1914             echo "cpu_family = '$cpu'" >> $cross
1915             ;;
1916     esac
1917     echo "cpu = '$cpu'" >> $cross
1918     if test "$bigendian" = "yes" ; then
1919         echo "endian = 'big'" >> $cross
1920     else
1921         echo "endian = 'little'" >> $cross
1922     fi
1923   else
1924     cross_arg="--native-file config-meson.cross"
1925   fi
1926   mv $cross config-meson.cross
1927
1928   rm -rf meson-private meson-info meson-logs
1929
1930   # Built-in options
1931   test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload"
1932   test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
1933   test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1934   test "$static" = yes && meson_option_add -Dprefer_static=true
1935   test "$pie" = no && meson_option_add -Db_pie=false
1936   test "$werror" = yes && meson_option_add -Dwerror=true
1937
1938   # QEMU options
1939   test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
1940   test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1941   test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1942   test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
1943   test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
1944   test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1945   run_meson() {
1946     NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
1947   }
1948   eval run_meson $meson_options
1949   if test "$?" -ne 0 ; then
1950       error_exit "meson setup failed"
1951   fi
1952   echo "$meson" > build.ninja.stamp
1953 else
1954   if test -f meson-private/cmd_line.txt; then
1955     # Adjust old command line options that were removed
1956     # sed -i is not portable
1957     perl -i -ne '
1958       /^sphinx_build/ && next;
1959       print;' meson-private/cmd_line.txt
1960   fi
1961 fi
1962
1963 # Save the configure command line for later reuse.
1964 cat <<EOD >config.status
1965 #!/bin/sh
1966 # Generated by configure.
1967 # Run this file to recreate the current configuration.
1968 # Compiler output produced by configure, useful for debugging
1969 # configure, is in config.log if it exists.
1970 EOD
1971
1972 preserve_env() {
1973     envname=$1
1974
1975     eval envval=\$$envname
1976
1977     if test -n "$envval"
1978     then
1979         echo "$envname='$envval'" >> config.status
1980         echo "export $envname" >> config.status
1981     else
1982         echo "unset $envname" >> config.status
1983     fi
1984 }
1985
1986 # Preserve various env variables that influence what
1987 # features/build target configure will detect
1988 preserve_env AR
1989 preserve_env AS
1990 preserve_env CC
1991 preserve_env CFLAGS
1992 preserve_env CXX
1993 preserve_env CXXFLAGS
1994 preserve_env LD
1995 preserve_env LDFLAGS
1996 preserve_env LD_LIBRARY_PATH
1997 preserve_env NM
1998 preserve_env OBJCFLAGS
1999 preserve_env OBJCOPY
2000 preserve_env PATH
2001 preserve_env PKG_CONFIG
2002 preserve_env PKG_CONFIG_LIBDIR
2003 preserve_env PKG_CONFIG_PATH
2004 preserve_env PYTHON
2005 preserve_env QEMU_GA_MANUFACTURER
2006 preserve_env QEMU_GA_DISTRO
2007 preserve_env QEMU_GA_VERSION
2008 preserve_env SDL2_CONFIG
2009 preserve_env SMBD
2010 preserve_env STRIP
2011 preserve_env WIDL
2012 preserve_env WINDRES
2013 preserve_env WINDMC
2014
2015 printf "exec" >>config.status
2016 for i in "$0" "$@"; do
2017   test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
2018 done
2019 echo ' "$@"' >>config.status
2020 chmod +x config.status
2021
2022 rm -r "$TMPDIR1"