configure

   1 #!/bin/sh
   2 #
   3 # qemu configure script (c) 2003 Fabrice Bellard
   4 #
   5
   6 # Unset some variables known to interfere with behavior of common tools,
   7 # just as autoconf does.  Unlike autoconf, we assume that unset exists.
   8 unset CLICOLOR_FORCE GREP_OPTIONS BASH_ENV ENV MAIL MAILPATH CDPATH
   9
  10 # Don't allow CCACHE, if present, to use cached results of compile tests!
  11 export CCACHE_RECACHE=yes
  12
  13 # make source path absolute
  14 source_path=$(cd "$(dirname -- "$0")"; pwd)
  15
  16 if test "$PWD" = "$source_path"
  17 then
  18     echo "Using './build' as the directory for build output"
  19
  20     MARKER=build/auto-created-by-configure
  21
  22     if test -e build
  23     then
  24         if test -f $MARKER
  25         then
  26            rm -rf build
  27         else
  28             echo "ERROR: ./build dir already exists and was not previously created by configure"
  29             exit 1
  30         fi
  31     fi
  32
  33     if ! mkdir build || ! touch $MARKER
  34     then
  35         echo "ERROR: Could not create ./build directory. Check the permissions on"
  36         echo "your source directory, or try doing an out-of-tree build."
  37         exit 1
  38     fi
  39
  40     cat > GNUmakefile <<'EOF'
  41 # This file is auto-generated by configure to support in-source tree
  42 # 'make' command invocation
  43
  44 ifeq ($(MAKECMDGOALS),)
  45 recurse: all
  46 endif
  47
  48 .NOTPARALLEL: %
  49 %: force
  50         @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
  51         @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
  52         @if test "$(MAKECMDGOALS)" = "distclean" && \
  53             test -e build/auto-created-by-configure ; \
  54         then \
  55             rm -rf build GNUmakefile ; \
  56         fi
  57 force: ;
  58 .PHONY: force
  59 GNUmakefile: ;
  60
  61 EOF
  62     cd build
  63     exec "$source_path/configure" "$@"
  64 fi
  65
  66 # Temporary directory used for files created while
  67 # configure runs. Since it is in the build directory
  68 # we can safely blow away any previous version of it
  69 # (and we need not jump through hoops to try to delete
  70 # it when configure exits.)
  71 TMPDIR1="config-temp"
  72 rm -rf "${TMPDIR1}"
  73 if ! mkdir -p "${TMPDIR1}"; then
  74     echo "ERROR: failed to create temporary directory"
  75     exit 1
  76 fi
  77
  78 TMPB="qemu-conf"
  79 TMPC="${TMPDIR1}/${TMPB}.c"
  80 TMPO="${TMPDIR1}/${TMPB}.o"
  81 TMPE="${TMPDIR1}/${TMPB}.exe"
  82
  83 rm -f config.log
  84
  85 # Print a helpful header at the top of config.log
  86 echo "# QEMU configure log $(date)" >> config.log
  87 printf "# Configured with:" >> config.log
  88 # repeat the invocation to log and stdout for CI
  89 invoke=$(printf " '%s'" "$0" "$@")
  90 test -n "$GITLAB_CI" && echo "configuring with: $invoke"
  91 { echo "$invoke"; echo; echo "#"; } >> config.log
  92
  93 quote_sh() {
  94     printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
  95 }
  96
  97 print_error() {
  98     (echo
  99     echo "ERROR: $1"
 100     while test -n "$2"; do
 101         echo "       $2"
 102         shift
 103     done
 104     echo) >&2
 105 }
 106
 107 error_exit() {
 108     print_error "$@"
 109     exit 1
 110 }
 111
 112 do_compiler() {
 113   # Run the compiler, capturing its output to the log. First argument
 114   # is compiler binary to execute.
 115   compiler="$1"
 116   shift
 117   if test -n "$BASH_VERSION"; then eval '
 118       echo >>config.log "
 119 funcs: ${FUNCNAME[*]}
 120 lines: ${BASH_LINENO[*]}"
 121   '; fi
 122   echo $compiler "$@" >> config.log
 123   $compiler "$@" >> config.log 2>&1 || return $?
 124 }
 125
 126 do_cc() {
 127     do_compiler "$cc" $CPU_CFLAGS "$@"
 128 }
 129
 130 compile_object() {
 131   local_cflags="$1"
 132   do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -c -o $TMPO $TMPC
 133 }
 134
 135 compile_prog() {
 136   local_cflags="$1"
 137   local_ldflags="$2"
 138   do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -o $TMPE $TMPC \
 139       $LDFLAGS $EXTRA_LDFLAGS $local_ldflags
 140 }
 141
 142 # symbolically link $1 to $2.  Portable version of "ln -sf".
 143 symlink() {
 144   rm -rf "$2"
 145   mkdir -p "$(dirname "$2")"
 146   ln -s "$1" "$2"
 147 }
 148
 149 # check whether a command is available to this shell (may be either an
 150 # executable or a builtin)
 151 has() {
 152     type "$1" >/dev/null 2>&1
 153 }
 154
 155 version_ge () {
 156     local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
 157     local_ver2=$(echo "$2" | tr . ' ')
 158     while true; do
 159         set x $local_ver1
 160         local_first=${2-0}
 161         # 'shift 2' if $2 is set, or 'shift' if $2 is not set
 162         shift ${2:+2}
 163         local_ver1=$*
 164         set x $local_ver2
 165         # the second argument finished, the first must be greater or equal
 166         test $# = 1 && return 0
 167         test $local_first -lt $2 && return 1
 168         test $local_first -gt $2 && return 0
 169         shift ${2:+2}
 170         local_ver2=$*
 171     done
 172 }
 173
 174 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 175 then
 176   error_exit "main directory cannot contain spaces nor colons"
 177 fi
 178
 179 # parse CC options first; some compiler tests are used to establish
 180 # some defaults, based on the host environment
 181
 182 # default parameters
 183 cpu=""
 184 cross_compile="no"
 185 cross_prefix=""
 186 host_cc="cc"
 187 EXTRA_CFLAGS=""
 188 EXTRA_CXXFLAGS=""
 189 EXTRA_OBJCFLAGS=""
 190 EXTRA_LDFLAGS=""
 191
 192 # Default value for a variable defining feature "foo".
 193 #  * foo="no"  feature will only be used if --enable-foo arg is given
 194 #  * foo=""    feature will be searched for, and if found, will be used
 195 #              unless --disable-foo is given
 196 #  * foo="yes" this value will only be set by --enable-foo flag.
 197 #              feature will searched for,
 198 #              if not found, configure exits with error
 199 #
 200 # Always add --enable-foo and --disable-foo command line args.
 201 # Distributions want to ensure that several features are compiled in, and it
 202 # is impossible without a --enable-foo that exits if a feature is not found.
 203 default_feature=""
 204
 205 for opt do
 206   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 207   case "$opt" in
 208   --cross-prefix=*) cross_prefix="$optarg"
 209                     cross_compile="yes"
 210   ;;
 211   --cc=*) CC="$optarg"
 212   ;;
 213   --cxx=*) CXX="$optarg"
 214   ;;
 215   --objcc=*) objcc="$optarg"
 216   ;;
 217   --cpu=*) cpu="$optarg"
 218   ;;
 219   --extra-cflags=*)
 220     EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
 221     EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
 222     EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
 223     ;;
 224   --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
 225   ;;
 226   --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
 227   ;;
 228   --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
 229   ;;
 230   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 231   ;;
 232   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
 233                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 234   ;;
 235   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 236                 eval "cross_cc_${cc_arch}=\$optarg"
 237   ;;
 238   --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
 239   ;;
 240   --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
 241                     eval "cross_prefix_${cc_arch}=\$optarg"
 242   ;;
 243   --without-default-features) default_feature="no"
 244   ;;
 245   esac
 246 done
 247
 248 default_cflags='-O2 -g'
 249 git_submodules_action="update"
 250 git="git"
 251 docs="auto"
 252 EXESUF=""
 253 prefix="/usr/local"
 254 qemu_suffix="qemu"
 255 softmmu="yes"
 256 linux_user=""
 257 bsd_user=""
 258 plugins="$default_feature"
 259 ninja=""
 260 python=
 261 download="enabled"
 262 bindir="bin"
 263 skip_meson=no
 264 use_containers="yes"
 265 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 266 gdb_arches=""
 267 werror=""
 268
 269 # Don't accept a target_list environment variable.
 270 unset target_list
 271 unset target_list_exclude
 272
 273 # The following Meson options are handled manually (still they
 274 # are included in the automatically generated help message)
 275 # because they automatically enable/disable other options
 276 tcg="auto"
 277 cfi="false"
 278
 279 # Meson has PIE as a boolean rather than enabled/disabled/auto,
 280 # and we also need to check for -static-pie before Meson runs
 281 # which requires knowing whether --static is enabled.
 282 pie=""
 283 static="no"
 284
 285 # Preferred compiler:
 286 #  ${CC} (if set)
 287 #  ${cross_prefix}gcc (if cross-prefix specified)
 288 #  system compiler
 289 if test -z "${CC}${cross_prefix}"; then
 290   cc="cc"
 291 else
 292   cc="${CC-${cross_prefix}gcc}"
 293 fi
 294
 295 if test -z "${CXX}${cross_prefix}"; then
 296   cxx="c++"
 297 else
 298   cxx="${CXX-${cross_prefix}g++}"
 299 fi
 300
 301 # Preferred ObjC compiler:
 302 # $objcc (if set, i.e. via --objcc option)
 303 # ${cross_prefix}clang (if cross-prefix specified)
 304 # clang (if available)
 305 # $cc
 306 if test -z "${objcc}${cross_prefix}"; then
 307   if has clang; then
 308     objcc=clang
 309   else
 310     objcc="$cc"
 311   fi
 312 else
 313   objcc="${objcc-${cross_prefix}clang}"
 314 fi
 315
 316 ar="${AR-${cross_prefix}ar}"
 317 as="${AS-${cross_prefix}as}"
 318 ccas="${CCAS-$cc}"
 319 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 320 ld="${LD-${cross_prefix}ld}"
 321 ranlib="${RANLIB-${cross_prefix}ranlib}"
 322 nm="${NM-${cross_prefix}nm}"
 323 smbd="$SMBD"
 324 strip="${STRIP-${cross_prefix}strip}"
 325 widl="${WIDL-${cross_prefix}widl}"
 326 windres="${WINDRES-${cross_prefix}windres}"
 327 windmc="${WINDMC-${cross_prefix}windmc}"
 328 pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}"
 329 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 330
 331 check_define() {
 332 cat > $TMPC <<EOF
 333 #if !defined($1)
 334 #error $1 not defined
 335 #endif
 336 int main(void) { return 0; }
 337 EOF
 338   compile_object
 339 }
 340
 341 write_c_skeleton() {
 342     cat > $TMPC <<EOF
 343 int main(void) { return 0; }
 344 EOF
 345 }
 346
 347 if check_define __linux__ ; then
 348   targetos=linux
 349 elif check_define _WIN32 ; then
 350   targetos=windows
 351 elif check_define __OpenBSD__ ; then
 352   targetos=openbsd
 353 elif check_define __sun__ ; then
 354   targetos=sunos
 355 elif check_define __HAIKU__ ; then
 356   targetos=haiku
 357 elif check_define __FreeBSD__ ; then
 358   targetos=freebsd
 359 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 360   targetos=gnu/kfreebsd
 361 elif check_define __DragonFly__ ; then
 362   targetos=dragonfly
 363 elif check_define __NetBSD__; then
 364   targetos=netbsd
 365 elif check_define __APPLE__; then
 366   targetos=darwin
 367 else
 368   # This is a fatal error, but don't report it yet, because we
 369   # might be going to just print the --help text, or it might
 370   # be the result of a missing compiler.
 371   targetos=bogus
 372 fi
 373
 374 # OS specific
 375
 376 case $targetos in
 377 windows)
 378   plugins="no"
 379   pie="no"
 380 ;;
 381 haiku)
 382   pie="no"
 383 ;;
 384 esac
 385
 386 if test ! -z "$cpu" ; then
 387   # command line argument
 388   :
 389 elif check_define __i386__ ; then
 390   cpu="i386"
 391 elif check_define __x86_64__ ; then
 392   if check_define __ILP32__ ; then
 393     cpu="x32"
 394   else
 395     cpu="x86_64"
 396   fi
 397 elif check_define __sparc__ ; then
 398   if check_define __arch64__ ; then
 399     cpu="sparc64"
 400   else
 401     cpu="sparc"
 402   fi
 403 elif check_define _ARCH_PPC ; then
 404   if check_define _ARCH_PPC64 ; then
 405     if check_define _LITTLE_ENDIAN ; then
 406       cpu="ppc64le"
 407     else
 408       cpu="ppc64"
 409     fi
 410   else
 411     cpu="ppc"
 412   fi
 413 elif check_define __mips__ ; then
 414   cpu="mips"
 415 elif check_define __s390__ ; then
 416   if check_define __s390x__ ; then
 417     cpu="s390x"
 418   else
 419     cpu="s390"
 420   fi
 421 elif check_define __riscv ; then
 422   if check_define _LP64 ; then
 423     cpu="riscv64"
 424   else
 425     cpu="riscv32"
 426   fi
 427 elif check_define __arm__ ; then
 428   cpu="arm"
 429 elif check_define __aarch64__ ; then
 430   cpu="aarch64"
 431 elif check_define __loongarch64 ; then
 432   cpu="loongarch64"
 433 else
 434   # Using uname is really broken, but it is just a fallback for architectures
 435   # that are going to use TCI anyway
 436   cpu=$(uname -m)
 437   echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
 438 fi
 439
 440 # Normalise host CPU name to the values used by Meson cross files and in source
 441 # directories, and set multilib cflags.  The canonicalization isn't really
 442 # necessary, because the architectures that we check for should not hit the
 443 # 'uname -m' case, but better safe than sorry in case --cpu= is used.
 444 #
 445 # Note that this case should only have supported host CPUs, not guests.
 446 # Please keep it sorted and synchronized with meson.build's host_arch.
 447 host_arch=
 448 linux_arch=
 449 case "$cpu" in
 450   aarch64)
 451     host_arch=aarch64
 452     linux_arch=arm64
 453     ;;
 454
 455   armv*b|armv*l|arm)
 456     cpu=arm
 457     host_arch=arm
 458     linux_arch=arm
 459     ;;
 460
 461   i386|i486|i586|i686)
 462     cpu="i386"
 463     host_arch=i386
 464     linux_arch=x86
 465     CPU_CFLAGS="-m32"
 466     ;;
 467
 468   loongarch*)
 469     cpu=loongarch64
 470     host_arch=loongarch64
 471     ;;
 472
 473   mips64*)
 474     cpu=mips64
 475     host_arch=mips
 476     linux_arch=mips
 477     ;;
 478   mips*)
 479     cpu=mips
 480     host_arch=mips
 481     linux_arch=mips
 482     ;;
 483
 484   ppc)
 485     host_arch=ppc
 486     linux_arch=powerpc
 487     CPU_CFLAGS="-m32"
 488     ;;
 489   ppc64)
 490     host_arch=ppc64
 491     linux_arch=powerpc
 492     CPU_CFLAGS="-m64 -mbig-endian"
 493     ;;
 494   ppc64le)
 495     cpu=ppc64
 496     host_arch=ppc64
 497     linux_arch=powerpc
 498     CPU_CFLAGS="-m64 -mlittle-endian"
 499     ;;
 500
 501   riscv32 | riscv64)
 502     host_arch=riscv
 503     linux_arch=riscv
 504     ;;
 505
 506   s390)
 507     linux_arch=s390
 508     CPU_CFLAGS="-m31"
 509     ;;
 510   s390x)
 511     host_arch=s390x
 512     linux_arch=s390
 513     CPU_CFLAGS="-m64"
 514     ;;
 515
 516   sparc|sun4[cdmuv])
 517     cpu=sparc
 518     CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
 519     ;;
 520   sparc64)
 521     host_arch=sparc64
 522     CPU_CFLAGS="-m64 -mcpu=ultrasparc"
 523     ;;
 524
 525   x32)
 526     cpu="x86_64"
 527     host_arch=x86_64
 528     linux_arch=x86
 529     CPU_CFLAGS="-mx32"
 530     ;;
 531   x86_64|amd64)
 532     cpu="x86_64"
 533     host_arch=x86_64
 534     linux_arch=x86
 535     # ??? Only extremely old AMD cpus do not have cmpxchg16b.
 536     # If we truly care, we should simply detect this case at
 537     # runtime and generate the fallback to serial emulation.
 538     CPU_CFLAGS="-m64 -mcx16"
 539     ;;
 540 esac
 541
 542 if test -n "$host_arch" && {
 543     ! test -d "$source_path/linux-user/include/host/$host_arch" ||
 544     ! test -d "$source_path/common-user/host/$host_arch"; }; then
 545     error_exit "linux-user/include/host/$host_arch does not exist." \
 546        "This is a bug in the configure script, please report it."
 547 fi
 548 if test -n "$linux_arch" && ! test -d "$source_path/linux-headers/asm-$linux_arch"; then
 549     error_exit "linux-headers/asm-$linux_arch does not exist." \
 550        "This is a bug in the configure script, please report it."
 551 fi
 552
 553 check_py_version() {
 554     # We require python >= 3.7.
 555     # NB: a True python conditional creates a non-zero return code (Failure)
 556     "$1" -c 'import sys; sys.exit(sys.version_info < (3,7))'
 557 }
 558
 559 first_python=
 560 if test -z "${PYTHON}"; then
 561     # A bare 'python' is traditionally python 2.x, but some distros
 562     # have it as python 3.x, so check in both places.
 563     for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7; do
 564         if has "$binary"; then
 565             python=$(command -v "$binary")
 566             if check_py_version "$python"; then
 567                 # This one is good.
 568                 first_python=
 569                 break
 570             else
 571                 first_python=$python
 572             fi
 573         fi
 574     done
 575 else
 576     # Same as above, but only check the environment variable.
 577     has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
 578     python=$(command -v "$PYTHON")
 579     if check_py_version "$python"; then
 580         # This one is good.
 581         first_python=
 582     else
 583         first_python=$first_python
 584     fi
 585 fi
 586
 587 # Check for ancillary tools used in testing
 588 genisoimage=
 589 for binary in genisoimage mkisofs
 590 do
 591     if has $binary
 592     then
 593         genisoimage=$(command -v "$binary")
 594         break
 595     fi
 596 done
 597
 598 if test "$targetos" = "windows" ; then
 599   EXESUF=".exe"
 600   prefix="/qemu"
 601   bindir=""
 602   qemu_suffix=""
 603 fi
 604
 605 meson_option_build_array() {
 606   printf '['
 607   (if test "$targetos" = windows; then
 608     IFS=\;
 609   else
 610     IFS=:
 611   fi
 612   for e in $1; do
 613     printf '"""'
 614     # backslash escape any '\' and '"' characters
 615     printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
 616     printf '""",'
 617   done)
 618   printf ']\n'
 619 }
 620
 621 . "$source_path/scripts/meson-buildoptions.sh"
 622
 623 meson_options=
 624 meson_option_add() {
 625   meson_options="$meson_options $(quote_sh "$1")"
 626 }
 627 meson_option_parse() {
 628   meson_options="$meson_options $(_meson_option_parse "$@")"
 629   if test $? -eq 1; then
 630     echo "ERROR: unknown option $1"
 631     echo "Try '$0 --help' for more information"
 632     exit 1
 633   fi
 634 }
 635
 636 for opt do
 637   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 638   case "$opt" in
 639   --help|-h) show_help=yes
 640   ;;
 641   --version|-V) exec cat "$source_path/VERSION"
 642   ;;
 643   --prefix=*) prefix="$optarg"
 644   ;;
 645   --cross-prefix=*)
 646   ;;
 647   --cc=*)
 648   ;;
 649   --host-cc=*) host_cc="$optarg"
 650   ;;
 651   --cxx=*)
 652   ;;
 653   --objcc=*)
 654   ;;
 655   --make=*)
 656   ;;
 657   --install=*)
 658   ;;
 659   --python=*) python="$optarg"
 660   ;;
 661   --skip-meson) skip_meson=yes
 662   ;;
 663   --ninja=*) ninja="$optarg"
 664   ;;
 665   --smbd=*) smbd="$optarg"
 666   ;;
 667   --extra-cflags=*)
 668   ;;
 669   --extra-cxxflags=*)
 670   ;;
 671   --extra-objcflags=*)
 672   ;;
 673   --extra-ldflags=*)
 674   ;;
 675   --cross-cc-*)
 676   ;;
 677   --cross-prefix-*)
 678   ;;
 679   --enable-docs) docs=enabled
 680   ;;
 681   --disable-docs) docs=disabled
 682   ;;
 683   --cpu=*)
 684   ;;
 685   --target-list=*) target_list="$optarg"
 686                    if test "$target_list_exclude"; then
 687                        error_exit "Can't mix --target-list with --target-list-exclude"
 688                    fi
 689   ;;
 690   --target-list-exclude=*) target_list_exclude="$optarg"
 691                    if test "$target_list"; then
 692                        error_exit "Can't mix --target-list-exclude with --target-list"
 693                    fi
 694   ;;
 695   --with-default-devices) meson_option_add -Ddefault_devices=true
 696   ;;
 697   --without-default-devices) meson_option_add -Ddefault_devices=false
 698   ;;
 699   --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
 700   ;;
 701   --with-devices-*) device_arch=${opt#--with-devices-};
 702                     device_arch=${device_arch%%=*}
 703                     cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
 704                     if test -f "$cf"; then
 705                         device_archs="$device_archs $device_arch"
 706                         eval "devices_${device_arch}=\$optarg"
 707                     else
 708                         error_exit "File $cf does not exist"
 709                     fi
 710   ;;
 711   --without-default-features) # processed above
 712   ;;
 713   --static) static="yes"
 714   ;;
 715   --bindir=*) bindir="$optarg"
 716   ;;
 717   --with-suffix=*) qemu_suffix="$optarg"
 718   ;;
 719   --host=*|--build=*|\
 720   --disable-dependency-tracking|\
 721   --sbindir=*|--sharedstatedir=*|\
 722   --oldincludedir=*|--datarootdir=*|--infodir=*|\
 723   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 724     # These switches are silently ignored, for compatibility with
 725     # autoconf-generated configure scripts. This allows QEMU's
 726     # configure to be used by RPM and similar macros that set
 727     # lots of directory switches by default.
 728   ;;
 729   --enable-debug)
 730       # Enable debugging options that aren't excessively noisy
 731       meson_option_parse --enable-debug-tcg ""
 732       meson_option_parse --enable-debug-graph-lock ""
 733       meson_option_parse --enable-debug-mutex ""
 734       meson_option_add -Doptimization=0
 735       default_cflags='-O0 -g'
 736   ;;
 737   --disable-tcg) tcg="disabled"
 738                  plugins="no"
 739   ;;
 740   --enable-tcg) tcg="enabled"
 741   ;;
 742   --disable-system) softmmu="no"
 743   ;;
 744   --enable-system) softmmu="yes"
 745   ;;
 746   --disable-user)
 747       linux_user="no" ;
 748       bsd_user="no" ;
 749   ;;
 750   --enable-user) ;;
 751   --disable-linux-user) linux_user="no"
 752   ;;
 753   --enable-linux-user) linux_user="yes"
 754   ;;
 755   --disable-bsd-user) bsd_user="no"
 756   ;;
 757   --enable-bsd-user) bsd_user="yes"
 758   ;;
 759   --enable-pie) pie="yes"
 760   ;;
 761   --disable-pie) pie="no"
 762   ;;
 763   --enable-werror) werror="yes"
 764   ;;
 765   --disable-werror) werror="no"
 766   ;;
 767   --enable-cfi)
 768       cfi="true";
 769       meson_option_add -Db_lto=true
 770   ;;
 771   --disable-cfi) cfi="false"
 772   ;;
 773   --disable-download) download="disabled"; git_submodules_action=validate;
 774   ;;
 775   --enable-download) download="enabled"; git_submodules_action=update;
 776   ;;
 777   --enable-plugins) if test "$targetos" = "windows"; then
 778                         error_exit "TCG plugins not currently supported on Windows platforms"
 779                     else
 780                         plugins="yes"
 781                     fi
 782   ;;
 783   --disable-plugins) plugins="no"
 784   ;;
 785   --enable-containers) use_containers="yes"
 786   ;;
 787   --disable-containers) use_containers="no"
 788   ;;
 789   --gdb=*) gdb_bin="$optarg"
 790   ;;
 791   # everything else has the same name in configure and meson
 792   --*) meson_option_parse "$opt" "$optarg"
 793   ;;
 794   # Pass through -Dxxxx options to meson
 795   -D*) meson_options="$meson_options $opt"
 796   ;;
 797   esac
 798 done
 799
 800 if ! test -e "$source_path/.git"
 801 then
 802     git_submodules_action="validate"
 803 fi
 804
 805 # test for any invalid configuration combinations
 806 if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
 807     error_exit "Can't enable plugins on non-TCG builds"
 808 fi
 809
 810 if ! test -f "$source_path/subprojects/keycodemapdb/README" \
 811     && test "$download" = disabled
 812 then
 813     echo
 814     echo "ERROR: missing subprojects"
 815     echo
 816     if test -e "$source_path/.git"; then
 817         echo "--disable-download specified but subprojects were not"
 818         echo 'checked out.  Please invoke "meson subprojects download"'
 819         echo "before configuring QEMU, or remove --disable-download"
 820         echo "from the command line."
 821     else
 822         echo "This is not a GIT checkout but subproject content appears to"
 823         echo "be missing. Do not use 'git archive' or GitHub download links"
 824         echo "to acquire QEMU source archives. Non-GIT builds are only"
 825         echo "supported with source archives linked from:"
 826         echo
 827         echo "  https://www.qemu.org/download/#source"
 828         echo
 829         echo "Developers working with GIT can use scripts/archive-source.sh"
 830         echo "if they need to create valid source archives."
 831     fi
 832     echo
 833     exit 1
 834 fi
 835
 836 default_target_list=""
 837 mak_wilds=""
 838
 839 if [ -n "$host_arch" ] && [ -d "$source_path/common-user/host/$host_arch" ]; then
 840     if [ "$linux_user" != no ]; then
 841         if [ "$targetos" = linux ]; then
 842             linux_user=yes
 843         elif [ "$linux_user" = yes ]; then
 844             error_exit "linux-user not supported on this architecture"
 845         fi
 846         if [ "$linux_user" = "yes" ]; then
 847             mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
 848         fi
 849     fi
 850     if [ "$bsd_user" != no ]; then
 851         if [ "$bsd_user" = "" ]; then
 852             test $targetos = freebsd && bsd_user=yes
 853         fi
 854         if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
 855             error_exit "bsd-user not supported on this host OS"
 856         fi
 857         if [ "$bsd_user" = "yes" ]; then
 858             mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
 859         fi
 860     fi
 861 else
 862     if [ "$linux_user" = yes ] || [ "$bsd_user" = yes ]; then
 863         error_exit "user mode emulation not supported on this architecture"
 864     fi
 865 fi
 866 if [ "$softmmu" = "yes" ]; then
 867     mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
 868 fi
 869
 870 for config in $mak_wilds; do
 871     target="$(basename "$config" .mak)"
 872     if echo "$target_list_exclude" | grep -vq "$target"; then
 873         default_target_list="${default_target_list} $target"
 874     fi
 875 done
 876
 877 if test x"$show_help" = x"yes" ; then
 878 cat << EOF
 879
 880 Usage: configure [options]
 881 Options: [defaults in brackets after descriptions]
 882
 883 Standard options:
 884   --help                   print this message
 885   --prefix=PREFIX          install in PREFIX [$prefix]
 886   --target-list=LIST       set target list (default: build all)
 887 $(echo Available targets: $default_target_list | \
 888   fold -s -w 53 | sed -e 's/^/                           /')
 889   --target-list-exclude=LIST exclude a set of targets from the default target-list
 890
 891 Advanced options (experts only):
 892   -Dmesonoptname=val       passthrough option to meson unmodified
 893   --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
 894   --cc=CC                  use C compiler CC [$cc]
 895   --host-cc=CC             when cross compiling, use C compiler CC for code run
 896                            at build time [$host_cc]
 897   --cxx=CXX                use C++ compiler CXX [$cxx]
 898   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
 899   --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
 900   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
 901   --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
 902   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
 903   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
 904   --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
 905   --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
 906   --python=PYTHON          use specified python [$python]
 907   --ninja=NINJA            use specified ninja [$ninja]
 908   --smbd=SMBD              use specified smbd [$smbd]
 909   --static                 enable static build [$static]
 910   --bindir=PATH            install binaries in PATH
 911   --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
 912   --without-default-features default all --enable-* options to "disabled"
 913   --without-default-devices  do not include any device that is not needed to
 914                            start the emulator (only use if you are including
 915                            desired devices in configs/devices/)
 916   --with-devices-ARCH=NAME override default configs/devices
 917   --enable-debug           enable common debug build options
 918   --disable-werror         disable compilation abort on warning
 919   --cpu=CPU                Build for host CPU [$cpu]
 920   --enable-plugins
 921                            enable plugins via shared library loading
 922   --disable-containers     don't use containers for cross-building
 923   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
 924 EOF
 925   meson_options_help
 926 cat << EOF
 927   system          all system emulation targets
 928   user            supported user emulation targets
 929   linux-user      all linux usermode emulation targets
 930   bsd-user        all BSD usermode emulation targets
 931   pie             Position Independent Executables
 932
 933 NOTE: The object files are built at the place where configure is launched
 934 EOF
 935 exit 0
 936 fi
 937
 938 # Remove old dependency files to make sure that they get properly regenerated
 939 rm -f ./*/config-devices.mak.d
 940
 941 if test -z "$python"
 942 then
 943     # If first_python is set, there was a binary somewhere even though
 944     # it was not suitable.  Use it for the error message.
 945     if test -n "$first_python"; then
 946         error_exit "Cannot use '$first_python', Python >= 3.7 is required." \
 947             "Use --python=/path/to/python to specify a supported Python."
 948     else
 949         error_exit "Python not found. Use --python=/path/to/python"
 950     fi
 951 fi
 952
 953 if ! check_py_version "$python"; then
 954   error_exit "Cannot use '$python', Python >= 3.7 is required." \
 955              "Use --python=/path/to/python to specify a supported Python." \
 956              "Maybe try:" \
 957              "  openSUSE Leap 15.3+: zypper install python39" \
 958              "  CentOS 8: dnf install python38"
 959 fi
 960
 961 # Resolve PATH
 962 python="$(command -v "$python")"
 963
 964 # Create a Python virtual environment using our configured python.
 965 # The stdout of this script will be the location of a symlink that
 966 # points to the configured Python.
 967 # Entry point scripts for pip, meson, and sphinx are generated if those
 968 # packages are present.
 969
 970 # Defaults assumed for now:
 971 # - venv is cleared if it exists already;
 972 # - venv is allowed to use system packages;
 973 # - all setup can be performed offline;
 974 # - missing packages may be fetched from PyPI,
 975 #   unless --disable-download is passed.
 976 # - pip is not installed into the venv when possible,
 977 #   but ensurepip is called as a fallback when necessary.
 978
 979 echo "python determined to be '$python'"
 980 echo "python version: $($python --version)"
 981
 982 python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
 983 if test "$?" -ne 0 ; then
 984     error_exit "python venv creation failed"
 985 fi
 986
 987 # Suppress writing compiled files
 988 python="$python -B"
 989 mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
 990
 991 # Finish preparing the virtual environment using vendored .whl files
 992
 993 if $python -c 'import sys; sys.exit(sys.version_info >= (3,11))'; then
 994     $mkvenv ensure --dir "${source_path}/python/wheels" \
 995         'tomli>=1.2.0' || exit 1
 996 fi
 997 $mkvenv ensuregroup --dir "${source_path}/python/wheels" \
 998      ${source_path}/pythondeps.toml meson || exit 1
 999
1000 # At this point, we expect Meson to be installed and available.
1001 # We expect mkvenv or pip to have created pyvenv/bin/meson for us.
1002 # We ignore PATH completely here: we want to use the venv's Meson
1003 # *exclusively*.
1004
1005 meson="$(cd pyvenv/bin; pwd)/meson"
1006
1007 # Conditionally ensure Sphinx is installed.
1008
1009 mkvenv_flags=""
1010 if test "$download" = "enabled" -a "$docs" = "enabled" ; then
1011     mkvenv_flags="--online"
1012 fi
1013
1014 if test "$docs" != "disabled" ; then
1015     if ! $mkvenv ensuregroup \
1016          $mkvenv_flags \
1017          ${source_path}/pythondeps.toml docs;
1018     then
1019         if test "$docs" = "enabled" ; then
1020             exit 1
1021         fi
1022         echo "Sphinx not found/usable, disabling docs."
1023         docs=disabled
1024     else
1025         docs=enabled
1026     fi
1027 fi
1028
1029 # Probe for ninja
1030
1031 if test -z "$ninja"; then
1032     for c in ninja ninja-build samu; do
1033         if has $c; then
1034             ninja=$(command -v "$c")
1035             break
1036         fi
1037     done
1038     if test -z "$ninja"; then
1039       error_exit "Cannot find Ninja"
1040     fi
1041 fi
1042
1043 # Consult white-list to determine whether to enable werror
1044 # by default.  Only enable by default for git builds
1045 if test -z "$werror" ; then
1046     if test -e "$source_path/.git" && \
1047         { test "$targetos" = linux || test "$targetos" = "windows"; }; then
1048         werror="yes"
1049     else
1050         werror="no"
1051     fi
1052 fi
1053
1054 if test "$targetos" = "bogus"; then
1055     # Now that we know that we're not printing the help and that
1056     # the compiler works (so the results of the check_defines we used
1057     # to identify the OS are reliable), if we didn't recognize the
1058     # host OS we should stop now.
1059     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1060 fi
1061
1062 if test "$static" = "yes" ; then
1063   if test "$plugins" = "yes"; then
1064     error_exit "static and plugins are mutually incompatible"
1065   else
1066     plugins="no"
1067   fi
1068 fi
1069 test "$plugins" = "" && plugins=yes
1070
1071 cat > $TMPC << EOF
1072
1073 #ifdef __linux__
1074 #  define THREAD __thread
1075 #else
1076 #  define THREAD
1077 #endif
1078 static THREAD int tls_var;
1079 int main(void) { return tls_var; }
1080 EOF
1081
1082 if test "$static" = "yes"; then
1083   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1084     pie="yes"
1085   elif test "$pie" = "yes"; then
1086     error_exit "-static-pie not available due to missing toolchain support"
1087   else
1088     pie="no"
1089   fi
1090 elif test "$pie" != "no"; then
1091   if compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1092     pie="yes"
1093   elif test "$pie" = "yes"; then
1094     error_exit "PIE not available due to missing toolchain support"
1095   else
1096     echo "Disabling PIE due to missing toolchain support"
1097     pie="no"
1098   fi
1099 fi
1100
1101 ##########################################
1102
1103 if test -z "${target_list+xxx}" ; then
1104     default_targets=yes
1105     for target in $default_target_list; do
1106         target_list="$target_list $target"
1107     done
1108     target_list="${target_list# }"
1109 else
1110     default_targets=no
1111     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1112     for target in $target_list; do
1113         # Check that we recognised the target name; this allows a more
1114         # friendly error message than if we let it fall through.
1115         case " $default_target_list " in
1116             *" $target "*)
1117                 ;;
1118             *)
1119                 error_exit "Unknown target name '$target'"
1120                 ;;
1121         esac
1122     done
1123 fi
1124
1125 # see if system emulation was really requested
1126 case " $target_list " in
1127   *"-softmmu "*) softmmu=yes
1128   ;;
1129   *) softmmu=no
1130   ;;
1131 esac
1132
1133 if test "$tcg" = "auto"; then
1134   if test -z "$target_list"; then
1135     tcg="disabled"
1136   else
1137     tcg="enabled"
1138   fi
1139 fi
1140
1141 ##########################################
1142 # big/little endian test
1143 cat > $TMPC << EOF
1144 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1145 # error LITTLE
1146 #endif
1147 int main(void) { return 0; }
1148 EOF
1149
1150 if ! compile_prog ; then
1151   bigendian="no"
1152 else
1153   cat > $TMPC << EOF
1154 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1155 # error BIG
1156 #endif
1157 int main(void) { return 0; }
1158 EOF
1159
1160   if ! compile_prog ; then
1161     bigendian="yes"
1162   else
1163     echo big/little test failed
1164     exit 1
1165   fi
1166 fi
1167
1168 ########################################
1169 # check if ccache is interfering with
1170 # semantic analysis of macros
1171
1172 unset CCACHE_CPP2
1173 ccache_cpp2=no
1174 cat > $TMPC << EOF
1175 static const int Z = 1;
1176 #define fn() ({ Z; })
1177 #define TAUT(X) ((X) == Z)
1178 #define PAREN(X, Y) (X == Y)
1179 #define ID(X) (X)
1180 int main(void)
1181 {
1182     int x = 0, y = 0;
1183     x = ID(x);
1184     x = fn();
1185     fn();
1186     if (PAREN(x, y)) return 0;
1187     if (TAUT(Z)) return 0;
1188     return 0;
1189 }
1190 EOF
1191
1192 if ! compile_object "-Werror"; then
1193     ccache_cpp2=yes
1194 fi
1195
1196 ##########################################
1197 # functions to probe cross compilers
1198
1199 container="no"
1200 runc=""
1201 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1202     case $($python "$source_path"/tests/docker/docker.py probe) in
1203         *docker) container=docker ;;
1204         podman) container=podman ;;
1205         no) container=no ;;
1206     esac
1207     if test "$container" != "no"; then
1208         docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1209         runc=$($python "$source_path"/tests/docker/docker.py probe)
1210     fi
1211 fi
1212
1213 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1214 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1215 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1216 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1217 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1218 : ${cross_prefix_armeb="$cross_prefix_arm"}
1219 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1220 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1221 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1222 : ${cross_prefix_i386="i686-linux-gnu-"}
1223 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1224 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1225 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1226 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1227 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1228 : ${cross_prefix_mips="mips-linux-gnu-"}
1229 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1230 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1231 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1232 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1233 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1234 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1235 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1236 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1237 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1238 : ${cross_prefix_tricore="tricore-"}
1239 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1240
1241 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1242 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1243 : ${cross_cc_armeb="$cross_cc_arm"}
1244 : ${cross_cc_cflags_armeb="-mbig-endian"}
1245 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1246 : ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1247 : ${cross_cc_cflags_i386="-m32"}
1248 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1249 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1250 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1251 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1252 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1253 : ${cross_cc_sparc="$cross_cc_sparc64"}
1254 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1255 : ${cross_cc_cflags_x86_64="-m64"}
1256
1257 compute_target_variable() {
1258   eval "$2="
1259   if eval test -n "\"\${cross_prefix_$1}\""; then
1260     if eval has "\"\${cross_prefix_$1}\$3\""; then
1261       eval "$2=\"\${cross_prefix_$1}\$3\""
1262     fi
1263   fi
1264 }
1265
1266 have_target() {
1267   for i; do
1268     case " $target_list " in
1269       *" $i "*) return 0;;
1270       *) ;;
1271     esac
1272   done
1273   return 1
1274 }
1275
1276 # probe_target_compiler TARGET
1277 #
1278 # Look for a compiler for the given target, either native or cross.
1279 # Set variables target_* if a compiler is found, and container_cross_*
1280 # if a Docker-based cross-compiler image is known for the target.
1281 # Set got_cross_cc to yes/no depending on whether a non-container-based
1282 # compiler was found.
1283 #
1284 # If TARGET is a user-mode emulation target, also set build_static to
1285 # "y" if static linking is possible.
1286 #
1287 probe_target_compiler() {
1288   # reset all output variables
1289   got_cross_cc=no
1290   container_image=
1291   container_hosts=
1292   container_cross_cc=
1293   container_cross_ar=
1294   container_cross_as=
1295   container_cross_ld=
1296   container_cross_nm=
1297   container_cross_objcopy=
1298   container_cross_ranlib=
1299   container_cross_strip=
1300
1301   target_arch=${1%%-*}
1302   case $target_arch in
1303     aarch64) container_hosts="x86_64 aarch64" ;;
1304     alpha) container_hosts=x86_64 ;;
1305     arm) container_hosts="x86_64 aarch64" ;;
1306     cris) container_hosts=x86_64 ;;
1307     hexagon) container_hosts=x86_64 ;;
1308     hppa) container_hosts=x86_64 ;;
1309     i386) container_hosts=x86_64 ;;
1310     loongarch64) container_hosts=x86_64 ;;
1311     m68k) container_hosts=x86_64 ;;
1312     microblaze) container_hosts=x86_64 ;;
1313     mips64el) container_hosts=x86_64 ;;
1314     mips64) container_hosts=x86_64 ;;
1315     mipsel) container_hosts=x86_64 ;;
1316     mips) container_hosts=x86_64 ;;
1317     nios2) container_hosts=x86_64 ;;
1318     ppc) container_hosts=x86_64 ;;
1319     ppc64|ppc64le) container_hosts=x86_64 ;;
1320     riscv64) container_hosts=x86_64 ;;
1321     s390x) container_hosts=x86_64 ;;
1322     sh4) container_hosts=x86_64 ;;
1323     sparc64) container_hosts=x86_64 ;;
1324     tricore) container_hosts=x86_64 ;;
1325     x86_64) container_hosts="aarch64 ppc64le x86_64" ;;
1326     xtensa*) container_hosts=x86_64 ;;
1327   esac
1328
1329   for host in $container_hosts; do
1330     test "$container" != no || continue
1331     test "$host" = "$cpu" || continue
1332     case $target_arch in
1333       aarch64)
1334         # We don't have any bigendian build tools so we only use this for AArch64
1335         container_image=debian-arm64-cross
1336         container_cross_prefix=aarch64-linux-gnu-
1337         container_cross_cc=${container_cross_prefix}gcc-10
1338         ;;
1339       alpha)
1340         container_image=debian-alpha-cross
1341         container_cross_prefix=alpha-linux-gnu-
1342         ;;
1343       arm)
1344         # We don't have any bigendian build tools so we only use this for ARM
1345         container_image=debian-armhf-cross
1346         container_cross_prefix=arm-linux-gnueabihf-
1347         ;;
1348       cris)
1349         container_image=fedora-cris-cross
1350         container_cross_prefix=cris-linux-gnu-
1351         ;;
1352       hexagon)
1353         container_image=debian-hexagon-cross
1354         container_cross_prefix=hexagon-unknown-linux-musl-
1355         container_cross_cc=${container_cross_prefix}clang
1356         ;;
1357       hppa)
1358         container_image=debian-hppa-cross
1359         container_cross_prefix=hppa-linux-gnu-
1360         ;;
1361       i386)
1362         container_image=fedora-i386-cross
1363         container_cross_prefix=
1364         ;;
1365       loongarch64)
1366         container_image=debian-loongarch-cross
1367         container_cross_prefix=loongarch64-unknown-linux-gnu-
1368         ;;
1369       m68k)
1370         container_image=debian-m68k-cross
1371         container_cross_prefix=m68k-linux-gnu-
1372         ;;
1373       microblaze)
1374         container_image=debian-microblaze-cross
1375         container_cross_prefix=microblaze-linux-musl-
1376         ;;
1377       mips64el)
1378         container_image=debian-mips64el-cross
1379         container_cross_prefix=mips64el-linux-gnuabi64-
1380         ;;
1381       mips64)
1382         container_image=debian-mips64-cross
1383         container_cross_prefix=mips64-linux-gnuabi64-
1384         ;;
1385       mipsel)
1386         container_image=debian-mipsel-cross
1387         container_cross_prefix=mipsel-linux-gnu-
1388         ;;
1389       mips)
1390         container_image=debian-mips-cross
1391         container_cross_prefix=mips-linux-gnu-
1392         ;;
1393       nios2)
1394         container_image=debian-nios2-cross
1395         container_cross_prefix=nios2-linux-gnu-
1396         ;;
1397       ppc)
1398         container_image=debian-powerpc-test-cross
1399         container_cross_prefix=powerpc-linux-gnu-
1400         container_cross_cc=${container_cross_prefix}gcc-10
1401         ;;
1402       ppc64|ppc64le)
1403         container_image=debian-powerpc-test-cross
1404         container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1405         container_cross_cc=${container_cross_prefix}gcc-10
1406         ;;
1407       riscv64)
1408         container_image=debian-riscv64-test-cross
1409         container_cross_prefix=riscv64-linux-gnu-
1410         ;;
1411       s390x)
1412         container_image=debian-s390x-cross
1413         container_cross_prefix=s390x-linux-gnu-
1414         ;;
1415       sh4)
1416         container_image=debian-sh4-cross
1417         container_cross_prefix=sh4-linux-gnu-
1418         ;;
1419       sparc64)
1420         container_image=debian-sparc64-cross
1421         container_cross_prefix=sparc64-linux-gnu-
1422         ;;
1423       tricore)
1424         container_image=debian-tricore-cross
1425         container_cross_prefix=tricore-
1426         ;;
1427       x86_64)
1428         container_image=debian-amd64-cross
1429         container_cross_prefix=x86_64-linux-gnu-
1430         ;;
1431       xtensa*)
1432         container_image=debian-xtensa-cross
1433
1434         # default to the dc232b cpu
1435         container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1436         ;;
1437     esac
1438     : ${container_cross_cc:=${container_cross_prefix}gcc}
1439     : ${container_cross_ar:=${container_cross_prefix}ar}
1440     : ${container_cross_as:=${container_cross_prefix}as}
1441     : ${container_cross_ld:=${container_cross_prefix}ld}
1442     : ${container_cross_nm:=${container_cross_prefix}nm}
1443     : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1444     : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1445     : ${container_cross_strip:=${container_cross_prefix}strip}
1446   done
1447
1448   try=cross
1449   case "$target_arch:$cpu" in
1450     aarch64_be:aarch64 | \
1451     armeb:arm | \
1452     i386:x86_64 | \
1453     mips*:mips64 | \
1454     ppc*:ppc64 | \
1455     sparc:sparc64 | \
1456     "$cpu:$cpu")
1457       try='native cross' ;;
1458   esac
1459   eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1460   for thistry in $try; do
1461     case $thistry in
1462     native)
1463       target_cc=$cc
1464       target_ccas=$ccas
1465       target_ar=$ar
1466       target_as=$as
1467       target_ld=$ld
1468       target_nm=$nm
1469       target_objcopy=$objcopy
1470       target_ranlib=$ranlib
1471       target_strip=$strip
1472       ;;
1473     cross)
1474       target_cc=
1475       if eval test -n "\"\${cross_cc_$target_arch}\""; then
1476         if eval has "\"\${cross_cc_$target_arch}\""; then
1477           eval "target_cc=\"\${cross_cc_$target_arch}\""
1478         fi
1479       else
1480         compute_target_variable $target_arch target_cc gcc
1481       fi
1482       target_ccas=$target_cc
1483       compute_target_variable $target_arch target_ar ar
1484       compute_target_variable $target_arch target_as as
1485       compute_target_variable $target_arch target_ld ld
1486       compute_target_variable $target_arch target_nm nm
1487       compute_target_variable $target_arch target_objcopy objcopy
1488       compute_target_variable $target_arch target_ranlib ranlib
1489       compute_target_variable $target_arch target_strip strip
1490       ;;
1491     esac
1492
1493     if test -n "$target_cc"; then
1494       case $target_arch in
1495         i386|x86_64)
1496           if $target_cc --version | grep -qi "clang"; then
1497             continue
1498           fi
1499           ;;
1500       esac
1501     elif test -n "$target_as" && test -n "$target_ld"; then
1502       # Special handling for assembler only targets
1503       case $target in
1504         tricore-softmmu)
1505           build_static=
1506           got_cross_cc=yes
1507           break
1508           ;;
1509         *)
1510           continue
1511           ;;
1512       esac
1513     else
1514       continue
1515     fi
1516
1517     write_c_skeleton
1518     case $1 in
1519       *-softmmu)
1520         if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1521           do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1522           got_cross_cc=yes
1523           break
1524         fi
1525         ;;
1526       *)
1527         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1528           build_static=y
1529           got_cross_cc=yes
1530           break
1531         fi
1532         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1533           build_static=
1534           got_cross_cc=yes
1535           break
1536         fi
1537         ;;
1538     esac
1539   done
1540   if test $got_cross_cc != yes; then
1541     build_static=
1542     target_cc=
1543     target_ccas=
1544     target_ar=
1545     target_as=
1546     target_ld=
1547     target_nm=
1548     target_objcopy=
1549     target_ranlib=
1550     target_strip=
1551   fi
1552   test -n "$target_cc"
1553 }
1554
1555 write_target_makefile() {
1556   echo "EXTRA_CFLAGS=$target_cflags"
1557   if test -z "$target_cc" && test -z "$target_as"; then
1558     test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1559     echo "$1: docker-image-$container_image" >> Makefile.prereqs
1560     if test -n "$container_cross_cc"; then
1561       echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1562       echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1563     fi
1564     echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1565     echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1566     echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1567     echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1568     echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1569     echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1570     echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1571   else
1572     if test -n "$target_cc"; then
1573       echo "CC=$target_cc"
1574       echo "CCAS=$target_ccas"
1575     fi
1576     if test -n "$target_ar"; then
1577       echo "AR=$target_ar"
1578     fi
1579     if test -n "$target_as"; then
1580       echo "AS=$target_as"
1581     fi
1582     if test -n "$target_ld"; then
1583       echo "LD=$target_ld"
1584     fi
1585     if test -n "$target_nm"; then
1586       echo "NM=$target_nm"
1587     fi
1588     if test -n "$target_objcopy"; then
1589       echo "OBJCOPY=$target_objcopy"
1590     fi
1591     if test -n "$target_ranlib"; then
1592       echo "RANLIB=$target_ranlib"
1593     fi
1594     if test -n "$target_strip"; then
1595       echo "STRIP=$target_strip"
1596     fi
1597   fi
1598 }
1599
1600 #######################################
1601 # cross-compiled firmware targets
1602
1603 # Set up build tree symlinks that point back into the source tree
1604 # (these can be both files and directories).
1605 # Caution: avoid adding files or directories here using wildcards. This
1606 # will result in problems later if a new file matching the wildcard is
1607 # added to the source tree -- nothing will cause configure to be rerun
1608 # so the build tree will be missing the link back to the new file, and
1609 # tests might fail. Prefer to keep the relevant files in their own
1610 # directory and symlink the directory instead.
1611 LINKS="Makefile"
1612 LINKS="$LINKS docs/config"
1613 LINKS="$LINKS pc-bios/optionrom/Makefile"
1614 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1615 LINKS="$LINKS pc-bios/vof/Makefile"
1616 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1617 LINKS="$LINKS tests/avocado tests/data"
1618 LINKS="$LINKS tests/qemu-iotests/check"
1619 LINKS="$LINKS python"
1620 LINKS="$LINKS contrib/plugins/Makefile "
1621 for f in $LINKS ; do
1622     if [ -e "$source_path/$f" ]; then
1623         symlink "$source_path/$f" "$f"
1624     fi
1625 done
1626
1627 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1628
1629 # Mac OS X ships with a broken assembler
1630 roms=
1631 if have_target i386-softmmu x86_64-softmmu && \
1632         test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
1633         test "$targetos" != "haiku" && \
1634         probe_target_compiler i386-softmmu; then
1635     roms="pc-bios/optionrom"
1636     config_mak=pc-bios/optionrom/config.mak
1637     echo "# Automatically generated by configure - do not modify" > $config_mak
1638     echo "TOPSRC_DIR=$source_path" >> $config_mak
1639     write_target_makefile >> $config_mak
1640 fi
1641
1642 if have_target ppc-softmmu ppc64-softmmu && \
1643         probe_target_compiler ppc-softmmu; then
1644     roms="$roms pc-bios/vof"
1645     config_mak=pc-bios/vof/config.mak
1646     echo "# Automatically generated by configure - do not modify" > $config_mak
1647     echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1648     write_target_makefile >> $config_mak
1649 fi
1650
1651 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1652 # (which is the lowest architecture level that Clang supports)
1653 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu && \
1654     GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" roms/SLOF >> config.log 2>&1; then
1655   write_c_skeleton
1656   do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1657   has_z900=$?
1658   if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1659     if [ $has_z900 != 0 ]; then
1660       echo "WARNING: Your compiler does not support the z900!"
1661       echo "         The s390-ccw bios will only work with guest CPUs >= z10."
1662     fi
1663     roms="$roms pc-bios/s390-ccw"
1664     config_mak=pc-bios/s390-ccw/config-host.mak
1665     echo "# Automatically generated by configure - do not modify" > $config_mak
1666     echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1667     echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_mak
1668     write_target_makefile >> $config_mak
1669   fi
1670 fi
1671
1672 #######################################
1673 # generate config-host.mak
1674
1675 config_host_mak="config-host.mak"
1676
1677 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1678 echo >> $config_host_mak
1679
1680 echo all: >> $config_host_mak
1681
1682 if test "$targetos" = "windows"; then
1683   echo "CONFIG_WIN32=y" >> $config_host_mak
1684   echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak
1685   echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak
1686   echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak
1687 else
1688   echo "CONFIG_POSIX=y" >> $config_host_mak
1689 fi
1690
1691 if test "$targetos" = "linux" ; then
1692   echo "CONFIG_LINUX=y" >> $config_host_mak
1693 fi
1694
1695 if test "$targetos" = "darwin" ; then
1696   echo "CONFIG_DARWIN=y" >> $config_host_mak
1697 fi
1698
1699 if test "$targetos" = "sunos" ; then
1700   echo "CONFIG_SOLARIS=y" >> $config_host_mak
1701 fi
1702 echo "SRC_PATH=$source_path" >> $config_host_mak
1703 echo "TARGET_DIRS=$target_list" >> $config_host_mak
1704
1705 # XXX: suppress that
1706 case $targetos in
1707   gnu/kfreebsd | freebsd | dragonfly | netbsd | openbsd | darwin)
1708     echo "CONFIG_BSD=y" >> $config_host_mak
1709     ;;
1710 esac
1711
1712 if test "$plugins" = "yes" ; then
1713     echo "CONFIG_PLUGIN=y" >> $config_host_mak
1714 fi
1715
1716 if test -n "$gdb_bin"; then
1717     gdb_version=$($gdb_bin --version | head -n 1)
1718     if version_ge ${gdb_version##* } 9.1; then
1719         echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1720         gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1721     else
1722         gdb_bin=""
1723     fi
1724 fi
1725
1726 if test "$container" != no; then
1727     echo "ENGINE=$container" >> $config_host_mak
1728     echo "RUNC=$runc" >> $config_host_mak
1729 fi
1730 echo "ROMS=$roms" >> $config_host_mak
1731 echo "PYTHON=$python" >> $config_host_mak
1732 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1733 echo "MESON=$meson" >> $config_host_mak
1734 echo "NINJA=$ninja" >> $config_host_mak
1735 echo "EXESUF=$EXESUF" >> $config_host_mak
1736
1737 # use included Linux headers for KVM architectures
1738 if test "$targetos" = "linux" && test -n "$linux_arch"; then
1739   symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1740 fi
1741
1742 for target in $target_list; do
1743     target_dir="$target"
1744     target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
1745     case $target in
1746         *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
1747         *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
1748     esac
1749 done
1750
1751 if test "$default_targets" = "yes"; then
1752   echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1753 fi
1754
1755 if test "$ccache_cpp2" = "yes"; then
1756   echo "export CCACHE_CPP2=y" >> $config_host_mak
1757 fi
1758
1759 # contrib/plugins configuration
1760 echo "# Automatically generated by configure - do not modify" > contrib/plugins/$config_host_mak
1761 echo "SRC_PATH=$source_path/contrib/plugins" >> contrib/plugins/$config_host_mak
1762 echo "PKG_CONFIG=${pkg_config}" >> contrib/plugins/$config_host_mak
1763 echo "CC=$cc $CPU_CFLAGS" >> contrib/plugins/$config_host_mak
1764 echo "CFLAGS=${CFLAGS-$default_cflags} $EXTRA_CFLAGS" >> contrib/plugins/$config_host_mak
1765 if test "$targetos" = darwin; then
1766   echo "CONFIG_DARWIN=y" >> contrib/plugins/$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"