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" -ef "$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 build:
  45         @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
  46         @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
  47         @if test "$(MAKECMDGOALS)" = "distclean" && \
  48             test -e build/auto-created-by-configure ; \
  49         then \
  50             rm -rf build GNUmakefile ; \
  51         fi
  52 %: build
  53         @
  54 .PHONY: build
  55 GNUmakefile: ;
  56
  57 EOF
  58     cd build
  59     exec "$source_path/configure" "$@"
  60 fi
  61
  62 # Temporary directory used for files created while
  63 # configure runs. Since it is in the build directory
  64 # we can safely blow away any previous version of it
  65 # (and we need not jump through hoops to try to delete
  66 # it when configure exits.)
  67 TMPDIR1="config-temp"
  68 rm -rf "${TMPDIR1}"
  69 if ! mkdir -p "${TMPDIR1}"; then
  70     echo "ERROR: failed to create temporary directory"
  71     exit 1
  72 fi
  73
  74 TMPB="qemu-conf"
  75 TMPC="${TMPDIR1}/${TMPB}.c"
  76 TMPO="${TMPDIR1}/${TMPB}.o"
  77 TMPE="${TMPDIR1}/${TMPB}.exe"
  78
  79 rm -f config.log
  80
  81 # Print a helpful header at the top of config.log
  82 echo "# QEMU configure log $(date)" >> config.log
  83 printf "# Configured with:" >> config.log
  84 # repeat the invocation to log and stdout for CI
  85 invoke=$(printf " '%s'" "$0" "$@")
  86 test -n "$GITLAB_CI" && echo "configuring with: $invoke"
  87 { echo "$invoke"; echo; echo "#"; } >> config.log
  88
  89 quote_sh() {
  90     printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
  91 }
  92
  93 error_exit() {
  94     (echo
  95     echo "ERROR: $1"
  96     while test -n "$2"; do
  97         echo "       $2"
  98         shift
  99     done
 100     echo) >&2
 101     exit 1
 102 }
 103
 104 do_compiler() {
 105   # Run the compiler, capturing its output to the log. First argument
 106   # is compiler binary to execute.
 107   compiler="$1"
 108   shift
 109   if test -n "$BASH_VERSION"; then eval '
 110       echo >>config.log "
 111 funcs: ${FUNCNAME[*]}
 112 lines: ${BASH_LINENO[*]}"
 113   '; fi
 114   echo $compiler "$@" >> config.log
 115   $compiler "$@" >> config.log 2>&1 || return $?
 116 }
 117
 118 do_cc() {
 119     do_compiler "$cc" $CPU_CFLAGS "$@"
 120 }
 121
 122 compile_object() {
 123   local_cflags="$1"
 124   do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -c -o $TMPO $TMPC
 125 }
 126
 127 compile_prog() {
 128   local_cflags="$1"
 129   local_ldflags="$2"
 130   do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -o $TMPE $TMPC \
 131       $LDFLAGS $EXTRA_LDFLAGS $local_ldflags
 132 }
 133
 134 # symbolically link $1 to $2.  Portable version of "ln -sf".
 135 symlink() {
 136   rm -rf "$2"
 137   mkdir -p "$(dirname "$2")"
 138   ln -s "$1" "$2"
 139 }
 140
 141 # check whether a command is available to this shell (may be either an
 142 # executable or a builtin)
 143 has() {
 144     type "$1" >/dev/null 2>&1
 145 }
 146
 147 version_ge () {
 148     local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
 149     local_ver2=$(echo "$2" | tr . ' ')
 150     while true; do
 151         set x $local_ver1
 152         local_first=${2-0}
 153         # 'shift 2' if $2 is set, or 'shift' if $2 is not set
 154         shift ${2:+2}
 155         local_ver1=$*
 156         set x $local_ver2
 157         # the second argument finished, the first must be greater or equal
 158         test $# = 1 && return 0
 159         test $local_first -lt $2 && return 1
 160         test $local_first -gt $2 && return 0
 161         shift ${2:+2}
 162         local_ver2=$*
 163     done
 164 }
 165
 166 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 167 then
 168   error_exit "main directory cannot contain spaces nor colons"
 169 fi
 170
 171 # parse CC options first; some compiler tests are used to establish
 172 # some defaults, based on the host environment
 173
 174 # default parameters
 175 container_engine="auto"
 176 cpu=""
 177 cross_compile="no"
 178 cross_prefix=""
 179 host_cc="cc"
 180 EXTRA_CFLAGS=""
 181 EXTRA_CXXFLAGS=""
 182 EXTRA_OBJCFLAGS=""
 183 EXTRA_LDFLAGS=""
 184
 185 # Default value for a variable defining feature "foo".
 186 #  * foo="no"  feature will only be used if --enable-foo arg is given
 187 #  * foo=""    feature will be searched for, and if found, will be used
 188 #              unless --disable-foo is given
 189 #  * foo="yes" this value will only be set by --enable-foo flag.
 190 #              feature will searched for,
 191 #              if not found, configure exits with error
 192 #
 193 # Always add --enable-foo and --disable-foo command line args.
 194 # Distributions want to ensure that several features are compiled in, and it
 195 # is impossible without a --enable-foo that exits if a feature is not found.
 196 default_feature=""
 197
 198 for opt do
 199   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 200   case "$opt" in
 201   --cross-prefix=*) cross_prefix="$optarg"
 202                     cross_compile="yes"
 203   ;;
 204   --cc=*) CC="$optarg"
 205   ;;
 206   --cxx=*) CXX="$optarg"
 207   ;;
 208   --objcc=*) objcc="$optarg"
 209   ;;
 210   --rustc=*) RUSTC="$optarg"
 211   ;;
 212   --rustdoc=*) RUSTDOC="$optarg"
 213   ;;
 214   --cpu=*) cpu="$optarg"
 215   ;;
 216   --extra-cflags=*)
 217     EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
 218     EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
 219     EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
 220     ;;
 221   --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
 222   ;;
 223   --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
 224   ;;
 225   --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
 226   ;;
 227   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 228   ;;
 229   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
 230                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 231   ;;
 232   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 233                 eval "cross_cc_${cc_arch}=\$optarg"
 234   ;;
 235   --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
 236   ;;
 237   --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
 238                     eval "cross_prefix_${cc_arch}=\$optarg"
 239   ;;
 240   --without-default-features) default_feature="no"
 241   ;;
 242   esac
 243 done
 244
 245 default_cflags='-O2 -g'
 246 git_submodules_action="update"
 247 docs="auto"
 248 EXESUF=""
 249 system="yes"
 250 linux_user=""
 251 bsd_user=""
 252 plugins="$default_feature"
 253 subdirs=""
 254 ninja=""
 255 python=
 256 download="enabled"
 257 skip_meson=no
 258 use_containers="yes"
 259 rust="disabled"
 260 rust_target_triple=""
 261 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 262 gdb_arches=""
 263
 264 # Don't accept a target_list environment variable.
 265 unset target_list
 266 unset target_list_exclude
 267
 268 # The following Meson options are handled manually (still they
 269 # are included in the automatically generated help message)
 270 # because they automatically enable/disable other options
 271 tcg="auto"
 272 cfi="false"
 273
 274 # Meson has PIE as a boolean rather than enabled/disabled/auto,
 275 # and we also need to check for -static-pie before Meson runs
 276 # which requires knowing whether --static is enabled.
 277 pie=""
 278 static="no"
 279
 280 # Preferred compiler:
 281 #  ${CC} (if set)
 282 #  ${cross_prefix}gcc (if cross-prefix specified)
 283 #  system compiler
 284 if test -z "${CC}${cross_prefix}"; then
 285   cc="cc"
 286 else
 287   cc="${CC-${cross_prefix}gcc}"
 288 fi
 289
 290 if test -z "${CXX}${cross_prefix}"; then
 291   cxx="c++"
 292 else
 293   cxx="${CXX-${cross_prefix}g++}"
 294 fi
 295
 296 # Preferred ObjC compiler:
 297 # $objcc (if set, i.e. via --objcc option)
 298 # ${cross_prefix}clang (if cross-prefix specified)
 299 # clang (if available)
 300 # $cc
 301 if test -z "${objcc}${cross_prefix}"; then
 302   if has clang; then
 303     objcc=clang
 304   else
 305     objcc="$cc"
 306   fi
 307 else
 308   objcc="${objcc-${cross_prefix}clang}"
 309 fi
 310
 311 ar="${AR-${cross_prefix}ar}"
 312 as="${AS-${cross_prefix}as}"
 313 ccas="${CCAS-$cc}"
 314 dlltool="${DLLTOOL-${cross_prefix}dlltool}"
 315 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 316 ld="${LD-${cross_prefix}ld}"
 317 ranlib="${RANLIB-${cross_prefix}ranlib}"
 318 nm="${NM-${cross_prefix}nm}"
 319 readelf="${READELF-${cross_prefix}readelf}"
 320 strip="${STRIP-${cross_prefix}strip}"
 321 widl="${WIDL-${cross_prefix}widl}"
 322 windres="${WINDRES-${cross_prefix}windres}"
 323 windmc="${WINDMC-${cross_prefix}windmc}"
 324 pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}"
 325 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 326
 327 rustc="${RUSTC-rustc}"
 328 rustdoc="${RUSTDOC-rustdoc}"
 329
 330 check_define() {
 331 cat > $TMPC <<EOF
 332 #if !defined($1)
 333 #error $1 not defined
 334 #endif
 335 int main(void) { return 0; }
 336 EOF
 337   compile_object
 338 }
 339
 340 write_c_skeleton() {
 341     cat > $TMPC <<EOF
 342 int main(void) { return 0; }
 343 EOF
 344 }
 345
 346 if check_define __linux__ ; then
 347   host_os=linux
 348 elif check_define _WIN32 ; then
 349   host_os=windows
 350 elif check_define __OpenBSD__ ; then
 351   host_os=openbsd
 352 elif check_define __sun__ ; then
 353   host_os=sunos
 354 elif check_define __HAIKU__ ; then
 355   host_os=haiku
 356 elif check_define __FreeBSD__ ; then
 357   host_os=freebsd
 358 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 359   host_os=gnu/kfreebsd
 360 elif check_define __DragonFly__ ; then
 361   host_os=dragonfly
 362 elif check_define __NetBSD__; then
 363   host_os=netbsd
 364 elif check_define __APPLE__; then
 365   host_os=darwin
 366 elif check_define EMSCRIPTEN ; then
 367   host_os=emscripten
 368   cpu=wasm32
 369   cross_compile="yes"
 370 else
 371   # This is a fatal error, but don't report it yet, because we
 372   # might be going to just print the --help text, or it might
 373   # be the result of a missing compiler.
 374   host_os=bogus
 375 fi
 376
 377 if test ! -z "$cpu" ; then
 378   # command line argument
 379   :
 380 elif check_define __i386__ ; then
 381   cpu="i386"
 382 elif check_define __x86_64__ ; then
 383   if check_define __ILP32__ ; then
 384     cpu="x32"
 385   else
 386     cpu="x86_64"
 387   fi
 388 elif check_define __sparc__ ; then
 389   if check_define __arch64__ ; then
 390     cpu="sparc64"
 391   else
 392     cpu="sparc"
 393   fi
 394 elif check_define _ARCH_PPC ; then
 395   if check_define _ARCH_PPC64 ; then
 396     if check_define _LITTLE_ENDIAN ; then
 397       cpu="ppc64le"
 398     else
 399       cpu="ppc64"
 400     fi
 401   else
 402     cpu="ppc"
 403   fi
 404 elif check_define __mips__ ; then
 405   if check_define __mips64 ; then
 406     cpu="mips64"
 407   else
 408     cpu="mips"
 409   fi
 410 elif check_define __s390__ ; then
 411   if check_define __s390x__ ; then
 412     cpu="s390x"
 413   else
 414     cpu="s390"
 415   fi
 416 elif check_define __riscv ; then
 417   if check_define _LP64 ; then
 418     cpu="riscv64"
 419   else
 420     cpu="riscv32"
 421   fi
 422 elif check_define __arm__ ; then
 423   cpu="arm"
 424 elif check_define __aarch64__ ; then
 425   cpu="aarch64"
 426 elif check_define __loongarch64 ; then
 427   cpu="loongarch64"
 428 else
 429   # Using uname is really broken, but it is just a fallback for architectures
 430   # that are going to use TCI anyway
 431   cpu=$(uname -m)
 432   if test "$host_os" != "bogus"; then
 433     echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
 434   fi
 435 fi
 436
 437 # Normalise host CPU name to the values used by Meson cross files and in source
 438 # directories, and set multilib cflags.  The canonicalization isn't really
 439 # necessary, because the architectures that we check for should not hit the
 440 # 'uname -m' case, but better safe than sorry in case --cpu= is used.
 441 #
 442 # Note that this case should only have supported host CPUs, not guests.
 443 # Please keep it sorted and synchronized with meson.build's host_arch.
 444 host_arch=
 445 linux_arch=
 446 raw_cpu=$cpu
 447 case "$cpu" in
 448   aarch64)
 449     host_arch=aarch64
 450     linux_arch=arm64
 451     ;;
 452
 453   armv*b|armv*l|arm)
 454     cpu=arm
 455     host_arch=arm
 456     linux_arch=arm
 457     ;;
 458
 459   i386|i486|i586|i686)
 460     cpu="i386"
 461     host_arch=i386
 462     linux_arch=x86
 463     CPU_CFLAGS="-m32"
 464     ;;
 465
 466   loongarch*)
 467     cpu=loongarch64
 468     host_arch=loongarch64
 469     linux_arch=loongarch
 470     ;;
 471
 472   mips64*|mipsisa64*)
 473     cpu=mips64
 474     host_arch=mips
 475     linux_arch=mips
 476     ;;
 477   mips*)
 478     cpu=mips
 479     host_arch=mips
 480     linux_arch=mips
 481     ;;
 482
 483   ppc)
 484     host_arch=ppc
 485     linux_arch=powerpc
 486     CPU_CFLAGS="-m32"
 487     ;;
 488   ppc64)
 489     host_arch=ppc64
 490     linux_arch=powerpc
 491     CPU_CFLAGS="-m64 -mbig-endian"
 492     ;;
 493   ppc64le)
 494     cpu=ppc64
 495     host_arch=ppc64
 496     linux_arch=powerpc
 497     CPU_CFLAGS="-m64 -mlittle-endian"
 498     ;;
 499
 500   riscv32 | riscv64)
 501     host_arch=riscv
 502     linux_arch=riscv
 503     ;;
 504
 505   s390)
 506     linux_arch=s390
 507     CPU_CFLAGS="-m31"
 508     ;;
 509   s390x)
 510     host_arch=s390x
 511     linux_arch=s390
 512     CPU_CFLAGS="-m64"
 513     ;;
 514
 515   sparc|sun4[cdmuv])
 516     cpu=sparc
 517     CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
 518     ;;
 519   sparc64)
 520     host_arch=sparc64
 521     CPU_CFLAGS="-m64 -mcpu=ultrasparc"
 522     ;;
 523
 524   x32)
 525     cpu="x86_64"
 526     host_arch=x86_64
 527     linux_arch=x86
 528     CPU_CFLAGS="-mx32"
 529     ;;
 530   x86_64|amd64)
 531     cpu="x86_64"
 532     host_arch=x86_64
 533     linux_arch=x86
 534     CPU_CFLAGS="-m64"
 535     ;;
 536   wasm32)
 537     CPU_CFLAGS="-m32"
 538     ;;
 539 esac
 540
 541 if test -n "$host_arch" && {
 542     ! test -d "$source_path/linux-user/include/host/$host_arch" ||
 543     ! test -d "$source_path/common-user/host/$host_arch"; }; then
 544     error_exit "linux-user/include/host/$host_arch does not exist." \
 545        "This is a bug in the configure script, please report it."
 546 fi
 547 if test -n "$linux_arch" && ! test -d "$source_path/linux-headers/asm-$linux_arch"; then
 548     error_exit "linux-headers/asm-$linux_arch does not exist." \
 549        "This is a bug in the configure script, please report it."
 550 fi
 551
 552 check_py_version() {
 553     # We require python >= 3.9.
 554     # NB: a True python conditional creates a non-zero return code (Failure)
 555     "$1" -c 'import sys; sys.exit(sys.version_info < (3,9))'
 556 }
 557
 558 first_python=
 559 if test -z "${PYTHON}"; then
 560     # A bare 'python' is traditionally python 2.x, but some distros
 561     # have it as python 3.x, so check in both places.
 562     for binary in python3 python python3.13 python3.12 python3.11 \
 563                           python3.10 python3.9 ; 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 "$binary")
 594         break
 595     fi
 596 done
 597
 598 if test "$host_os" = "windows" ; then
 599   EXESUF=".exe"
 600 fi
 601
 602 meson_option_build_array() {
 603   printf '['
 604   (if test "$host_os" = windows; then
 605     IFS=\;
 606   else
 607     IFS=:
 608   fi
 609   for e in $1; do
 610     printf '"""'
 611     # backslash escape any '\' and '"' characters
 612     printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
 613     printf '""",'
 614   done)
 615   printf ']\n'
 616 }
 617
 618 . "$source_path/scripts/meson-buildoptions.sh"
 619
 620 meson_options=
 621 meson_option_add() {
 622   local arg
 623   for arg; do
 624     meson_options="$meson_options $(quote_sh "$arg")"
 625   done
 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 '$0 --help' for more information"
 632     exit 1
 633   fi
 634 }
 635 has_meson_option() {
 636     test "${meson_options#*"$1"}" != "$meson_options"
 637 }
 638
 639 meson_add_machine_file() {
 640   if test "$cross_compile" = "yes"; then
 641     meson_option_add --cross-file "$1"
 642   else
 643     meson_option_add --native-file "$1"
 644   fi
 645 }
 646
 647 for opt do
 648   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 649   case "$opt" in
 650   --help|-h) show_help=yes
 651   ;;
 652   --version|-V) exec cat "$source_path/VERSION"
 653   ;;
 654   --cross-prefix=*)
 655   ;;
 656   --cc=*)
 657   ;;
 658   --host-cc=*) host_cc="$optarg"
 659   ;;
 660   --cxx=*)
 661   ;;
 662   --objcc=*)
 663   ;;
 664   --rustc=*)
 665   ;;
 666   --rustdoc=*)
 667   ;;
 668   --make=*)
 669   ;;
 670   --install=*)
 671   ;;
 672   --python=*) python="$optarg"
 673   ;;
 674   --skip-meson) skip_meson=yes
 675   ;;
 676   --ninja=*) ninja="$optarg"
 677   ;;
 678   --extra-cflags=*)
 679   ;;
 680   --extra-cxxflags=*)
 681   ;;
 682   --extra-objcflags=*)
 683   ;;
 684   --extra-ldflags=*)
 685   ;;
 686   --cross-cc-*)
 687   ;;
 688   --cross-prefix-*)
 689   ;;
 690   --enable-docs) docs=enabled
 691   ;;
 692   --disable-docs) docs=disabled
 693   ;;
 694   --cpu=*)
 695   ;;
 696   --target-list=*) target_list="$optarg"
 697                    if test "$target_list_exclude"; then
 698                        error_exit "Can't mix --target-list with --target-list-exclude"
 699                    fi
 700   ;;
 701   --target-list-exclude=*) target_list_exclude="$optarg"
 702                    if test "$target_list"; then
 703                        error_exit "Can't mix --target-list-exclude with --target-list"
 704                    fi
 705   ;;
 706   --with-default-devices) meson_option_add -Ddefault_devices=true
 707   ;;
 708   --without-default-devices) meson_option_add -Ddefault_devices=false
 709   ;;
 710   --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
 711   ;;
 712   --with-devices-*) device_arch=${opt#--with-devices-};
 713                     device_arch=${device_arch%%=*}
 714                     cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
 715                     if test -f "$cf"; then
 716                         device_archs="$device_archs $device_arch"
 717                         eval "devices_${device_arch}=\$optarg"
 718                     else
 719                         error_exit "File $cf does not exist"
 720                     fi
 721   ;;
 722   --without-default-features) # processed above
 723   ;;
 724   --static) static="yes"
 725   ;;
 726   --host=*|--build=*|\
 727   --disable-dependency-tracking|\
 728   --sbindir=*|--sharedstatedir=*|\
 729   --oldincludedir=*|--datarootdir=*|--infodir=*|\
 730   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 731     # These switches are silently ignored, for compatibility with
 732     # autoconf-generated configure scripts. This allows QEMU's
 733     # configure to be used by RPM and similar macros that set
 734     # lots of directory switches by default.
 735   ;;
 736   --enable-debug)
 737       # Enable debugging options that aren't excessively noisy
 738       meson_option_parse --enable-debug-tcg ""
 739       meson_option_parse --enable-debug-graph-lock ""
 740       meson_option_parse --enable-debug-mutex ""
 741       meson_option_add -Doptimization=0
 742       default_cflags='-O0 -g'
 743   ;;
 744   --disable-tcg) tcg="disabled"
 745   ;;
 746   --enable-tcg) tcg="enabled"
 747   ;;
 748   --disable-system) system="no"
 749   ;;
 750   --enable-system) system="yes"
 751   ;;
 752   --disable-user)
 753       linux_user="no" ;
 754       bsd_user="no" ;
 755   ;;
 756   --enable-user) ;;
 757   --disable-linux-user) linux_user="no"
 758   ;;
 759   --enable-linux-user) linux_user="yes"
 760   ;;
 761   --disable-bsd-user) bsd_user="no"
 762   ;;
 763   --enable-bsd-user) bsd_user="yes"
 764   ;;
 765   --enable-pie) pie="yes"
 766   ;;
 767   --disable-pie) pie="no"
 768   ;;
 769   --enable-cfi) cfi=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) plugins="yes"
 778   ;;
 779   --disable-plugins) plugins="no"
 780   ;;
 781   --enable-containers) use_containers="yes"
 782   ;;
 783   --disable-containers) use_containers="no"
 784   ;;
 785   --container-engine=*) container_engine="$optarg"
 786   ;;
 787   --rust-target-triple=*) rust_target_triple="$optarg"
 788   ;;
 789   --gdb=*) gdb_bin="$optarg"
 790   ;;
 791   --enable-rust) rust=enabled
 792   ;;
 793   --disable-rust) rust=disabled
 794   ;;
 795   # everything else has the same name in configure and meson
 796   --*) meson_option_parse "$opt" "$optarg"
 797   ;;
 798   # Pass through -Dxxxx options to meson
 799   -D*) meson_option_add "$opt"
 800   ;;
 801   esac
 802 done
 803
 804 if ! test -e "$source_path/.git"
 805 then
 806     git_submodules_action="validate"
 807 fi
 808
 809 if ! test -f "$source_path/subprojects/keycodemapdb/README" \
 810     && test "$download" = disabled
 811 then
 812     echo
 813     echo "ERROR: missing subprojects"
 814     echo
 815     if test -e "$source_path/.git"; then
 816         echo "--disable-download specified but subprojects were not"
 817         echo 'checked out.  Please invoke "meson subprojects download"'
 818         echo "before configuring QEMU, or remove --disable-download"
 819         echo "from the command line."
 820     else
 821         echo "This is not a GIT checkout but subproject content appears to"
 822         echo "be missing. Do not use 'git archive' or GitHub download links"
 823         echo "to acquire QEMU source archives. Non-GIT builds are only"
 824         echo "supported with source archives linked from:"
 825         echo
 826         echo "  https://www.qemu.org/download/#source"
 827         echo
 828         echo "Developers working with GIT can use scripts/archive-source.sh"
 829         echo "if they need to create valid source archives."
 830     fi
 831     echo
 832     exit 1
 833 fi
 834
 835 default_target_list=""
 836 mak_wilds=""
 837
 838 if [ -n "$host_arch" ] && [ -d "$source_path/common-user/host/$host_arch" ]; then
 839     if [ "$linux_user" != no ]; then
 840         if [ "$host_os" = linux ]; then
 841             linux_user=yes
 842         elif [ "$linux_user" = yes ]; then
 843             error_exit "linux-user not supported on this architecture"
 844         fi
 845         if [ "$linux_user" = "yes" ]; then
 846             mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
 847         fi
 848     fi
 849     if [ "$bsd_user" != no ]; then
 850         if [ "$bsd_user" = "" ]; then
 851             test $host_os = freebsd && bsd_user=yes
 852         fi
 853         if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$host_os" ]; then
 854             error_exit "bsd-user not supported on this host OS"
 855         fi
 856         if [ "$bsd_user" = "yes" ]; then
 857             mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
 858         fi
 859     fi
 860 else
 861     if [ "$linux_user" = yes ] || [ "$bsd_user" = yes ]; then
 862         error_exit "user mode emulation not supported on this architecture"
 863     fi
 864 fi
 865 if [ "$system" = "yes" ]; then
 866     mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
 867 fi
 868
 869 for config in $mak_wilds; do
 870     target="$(basename "$config" .mak)"
 871     if echo "$target_list_exclude" | grep -vq "$target"; then
 872         default_target_list="${default_target_list} $target"
 873     fi
 874 done
 875
 876 if test x"$show_help" = x"yes" ; then
 877 cat << EOF
 878
 879 Usage: configure [options]
 880 Options: [defaults in brackets after descriptions]
 881
 882 Standard options:
 883   --help                   print this message
 884   --target-list=LIST       set target list (default: build all)
 885 $(echo Available targets: $default_target_list | \
 886   fold -s -w 53 | sed -e 's/^/                           /')
 887   --target-list-exclude=LIST exclude a set of targets from the default target-list
 888
 889 Advanced options (experts only):
 890   -Dmesonoptname=val       passthrough option to meson unmodified
 891   --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
 892   --cc=CC                  use C compiler CC [$cc]
 893   --host-cc=CC             when cross compiling, use C compiler CC for code run
 894                            at build time [$host_cc]
 895   --cxx=CXX                use C++ compiler CXX [$cxx]
 896   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
 897   --rustc=RUSTC            use Rust compiler RUSTC [$rustc]
 898   --rustdoc=RUSTDOC        use rustdoc binary RUSTDOC [$rustdoc]
 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   --static                 enable static build [$static]
 909   --rust-target-triple=TRIPLE  compilation target for Rust code [autodetect]
 910   --without-default-features   default all --enable-* options to "disabled"
 911   --without-default-devices    do not include any device that is not needed to
 912                            start the emulator (only use if you are including
 913                            desired devices in configs/devices/)
 914   --with-devices-ARCH=NAME override default configs/devices
 915   --enable-debug           enable common debug build options
 916   --cpu=CPU                Build for host CPU [$cpu]
 917   --disable-containers     don't use containers for cross-building
 918   --container-engine=TYPE  which container engine to use [$container_engine]
 919   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
 920 EOF
 921   meson_options_help
 922 cat << EOF
 923   system          all system emulation targets
 924   user            supported user emulation targets
 925   linux-user      all linux usermode emulation targets
 926   bsd-user        all BSD usermode emulation targets
 927   pie             Position Independent Executables
 928
 929 NOTE: The object files are built at the place where configure is launched
 930 EOF
 931 exit 0
 932 fi
 933
 934 # Now that we are sure that the user did not only want to print the --help
 935 # information, we should double-check that the C compiler really works:
 936 write_c_skeleton
 937 if ! compile_object ; then
 938     error_exit "C compiler \"$cc\" either does not exist or does not work."
 939 fi
 940
 941 # Remove old dependency files to make sure that they get properly regenerated
 942 rm -f ./*/config-devices.mak.d
 943
 944 if test -z "$python"
 945 then
 946     # If first_python is set, there was a binary somewhere even though
 947     # it was not suitable.  Use it for the error message.
 948     if test -n "$first_python"; then
 949         error_exit "Cannot use '$first_python', Python >= 3.9 is required." \
 950             "Use --python=/path/to/python to specify a supported Python."
 951     else
 952         error_exit "Python not found. Use --python=/path/to/python"
 953     fi
 954 fi
 955
 956 if ! check_py_version "$python"; then
 957   error_exit "Cannot use '$python', Python >= 3.9 is required." \
 958              "Use --python=/path/to/python to specify a supported Python." \
 959              "Maybe try:" \
 960              "  openSUSE Leap 15.3+: zypper install python39" \
 961              "  CentOS: dnf install python3.12"
 962 fi
 963
 964 # Resolve PATH
 965 python="$(command -v "$python")"
 966
 967 # Create a Python virtual environment using our configured python.
 968 # The stdout of this script will be the location of a symlink that
 969 # points to the configured Python.
 970 # Entry point scripts for pip, meson, and sphinx are generated if those
 971 # packages are present.
 972
 973 # Defaults assumed for now:
 974 # - venv is cleared if it exists already;
 975 # - venv is allowed to use system packages;
 976 # - all setup can be performed offline;
 977 # - missing packages may be fetched from PyPI,
 978 #   unless --disable-download is passed.
 979 # - pip is not installed into the venv when possible,
 980 #   but ensurepip is called as a fallback when necessary.
 981
 982 echo "python determined to be '$python'"
 983 echo "python version: $($python --version)"
 984
 985 python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
 986 if test "$?" -ne 0 ; then
 987     error_exit "python venv creation failed"
 988 fi
 989
 990 # Suppress writing compiled files
 991 python="$python -B"
 992 mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
 993
 994 # Finish preparing the virtual environment using vendored .whl files
 995
 996 $mkvenv ensuregroup --dir "${source_path}/python/wheels" \
 997      ${source_path}/pythondeps.toml meson || exit 1
 998
 999 # At this point, we expect Meson to be installed and available.
1000 # We expect mkvenv or pip to have created pyvenv/bin/meson for us.
1001 # We ignore PATH completely here: we want to use the venv's Meson
1002 # *exclusively*.
1003
1004 meson="$(cd pyvenv/bin; pwd)/meson"
1005
1006 # Conditionally ensure Sphinx is installed.
1007
1008 mkvenv_online_flag=""
1009 if test "$download" = "enabled" ; then
1010     mkvenv_online_flag=" --online"
1011 fi
1012
1013 if test "$docs" != "disabled" ; then
1014     if ! $mkvenv ensuregroup \
1015          $(test "$docs" = "enabled" && echo "$mkvenv_online_flag") \
1016          ${source_path}/pythondeps.toml docs;
1017     then
1018         if test "$docs" = "enabled" ; then
1019             exit 1
1020         fi
1021         echo "Sphinx not found/usable, disabling docs."
1022         docs=disabled
1023     else
1024         docs=enabled
1025     fi
1026 fi
1027
1028 # Probe for ninja
1029
1030 if test -z "$ninja"; then
1031     for c in ninja ninja-build samu; do
1032         if has $c; then
1033             ninja=$(command -v "$c")
1034             break
1035         fi
1036     done
1037     if test -z "$ninja"; then
1038       error_exit "Cannot find Ninja"
1039     fi
1040 fi
1041
1042 if test "$host_os" = "bogus"; then
1043     # Now that we know that we're not printing the help and that
1044     # the compiler works (so the results of the check_defines we used
1045     # to identify the OS are reliable), if we didn't recognize the
1046     # host OS we should stop now.
1047     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1048 fi
1049
1050 # test for any invalid configuration combinations
1051 if test "$host_os" = "windows" && ! has "$dlltool"; then
1052   if test "$plugins" = "yes"; then
1053     error_exit "TCG plugins requires dlltool to build on Windows platforms"
1054   fi
1055   plugins="no"
1056 fi
1057 if test "$tcg" = "disabled" ; then
1058   if test "$plugins" = "yes"; then
1059     error_exit "Can't enable plugins on non-TCG builds"
1060   fi
1061   plugins="no"
1062 fi
1063 if test "$static" = "yes" ; then
1064   if test "$plugins" = "yes"; then
1065     error_exit "static and plugins are mutually incompatible"
1066   fi
1067   plugins="no"
1068 fi
1069 if test "$plugins" != "no"; then
1070     if has_meson_option "-Dtcg_interpreter=true"; then
1071         plugins="no"
1072     else
1073         plugins=yes
1074     fi
1075 fi
1076
1077 cat > $TMPC << EOF
1078
1079 #ifdef __linux__
1080 #  define THREAD __thread
1081 #else
1082 #  define THREAD
1083 #endif
1084 static THREAD int tls_var;
1085 int main(void) { return tls_var; }
1086 EOF
1087
1088 if test "$host_os" = windows || test "$host_os" = haiku; then
1089   if test "$pie" = "yes"; then
1090     error_exit "PIE not available due to missing OS support"
1091   fi
1092   pie=no
1093 fi
1094
1095 if test "$pie" != "no"; then
1096   if test "$static" = "yes"; then
1097     pie_ldflags=-static-pie
1098   else
1099     pie_ldflags=-pie
1100   fi
1101   if compile_prog "-Werror -fPIE -DPIE" "$pie_ldflags"; then
1102     pie="yes"
1103   elif test "$pie" = "yes"; then
1104     error_exit "-static-pie not available due to missing toolchain support"
1105   else
1106     echo "Disabling PIE due to missing toolchain support"
1107     pie="no"
1108   fi
1109 fi
1110
1111 ##########################################
1112
1113 if test -z "${target_list+xxx}" ; then
1114     default_targets=yes
1115     for target in $default_target_list; do
1116         target_list="$target_list $target"
1117     done
1118     target_list="${target_list# }"
1119 else
1120     default_targets=no
1121     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1122     for target in $target_list; do
1123         # Check that we recognised the target name; this allows a more
1124         # friendly error message than if we let it fall through.
1125         case " $default_target_list " in
1126             *" $target "*)
1127                 ;;
1128             *)
1129                 error_exit "Unknown target name '$target'"
1130                 ;;
1131         esac
1132     done
1133 fi
1134
1135 if test "$tcg" = "auto"; then
1136   if test -z "$target_list"; then
1137     tcg="disabled"
1138   else
1139     tcg="enabled"
1140   fi
1141 fi
1142
1143 #########################################
1144 # gdb test
1145
1146 if test -n "$gdb_bin"; then
1147     gdb_version_string=$($gdb_bin --version | head -n 1)
1148     # Extract last field in the version string
1149     gdb_version=${gdb_version_string##* }
1150     if version_ge $gdb_version 9.1; then
1151         gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1152     else
1153         gdb_bin=""
1154     fi
1155 fi
1156
1157 ##########################################
1158 # big/little endian test
1159 cat > $TMPC << EOF
1160 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1161 # error LITTLE
1162 #endif
1163 int main(void) { return 0; }
1164 EOF
1165
1166 if ! compile_prog ; then
1167   bigendian="no"
1168 else
1169   cat > $TMPC << EOF
1170 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1171 # error BIG
1172 #endif
1173 int main(void) { return 0; }
1174 EOF
1175
1176   if ! compile_prog ; then
1177     bigendian="yes"
1178   else
1179     echo big/little test failed
1180     exit 1
1181   fi
1182 fi
1183
1184 ##########################################
1185 # detect rust triple
1186
1187 meson_version=$($meson --version)
1188 if test "$rust" != disabled && ! version_ge "$meson_version" 1.8.1; then
1189   if test "$rust" = enabled; then
1190     error_exit "Rust support needs Meson 1.8.1 or newer"
1191   fi
1192   echo "Rust needs Meson 1.8.1, disabling" 2>&1
1193   rust=disabled
1194 fi
1195 if test "$rust" != disabled && has "$rustc" && $rustc -vV > "${TMPDIR1}/${TMPB}.out"; then
1196   rust_host_triple=$(sed -n 's/^host: //p' "${TMPDIR1}/${TMPB}.out")
1197 else
1198   if test "$rust" = enabled; then
1199     error_exit "could not execute rustc binary \"$rustc\""
1200   fi
1201   rust=disabled
1202 fi
1203 if test "$rust" != disabled && test -z "$rust_target_triple"; then
1204   # arch and os generally matches between meson and rust
1205   rust_arch=$host_arch
1206   rust_os=$host_os
1207   rust_machine=unknown
1208   rust_osvariant=
1209
1210   # tweak rust_os if needed; also, machine and variant depend on the OS
1211   android=no
1212   case "$host_os" in
1213   darwin)
1214     # e.g. aarch64-apple-darwin
1215     rust_machine=apple
1216     ;;
1217
1218   linux)
1219     # detect android/glibc/musl
1220     if check_define __ANDROID__; then
1221       rust_osvariant=android
1222       android=yes
1223     else
1224       cat > $TMPC << EOF
1225 #define _GNU_SOURCE
1226 #include <features.h>
1227 #ifndef __USE_GNU
1228 error using musl
1229 #endif
1230 EOF
1231       if compile_object; then
1232         rust_osvariant=gnu
1233       else
1234         rust_osvariant=musl
1235       fi
1236     fi
1237
1238     case "$cpu" in
1239     arm)
1240       # e.g. arm-unknown-linux-gnueabi, arm-unknown-linux-gnueabihf
1241       write_c_skeleton
1242       compile_object
1243       if $READELF -A $TMPO | grep Tag_API_VFP_args: > /dev/null; then
1244         rust_osvariant=${rust_osvariant}eabihf
1245       else
1246         rust_osvariant=${rust_osvariant}eabi
1247       fi
1248       ;;
1249
1250     mips64)
1251       # e.g. mips64-unknown-linux-gnuabi64
1252       rust_osvariant=${rust_osvariant}abi64
1253       ;;
1254     esac
1255     ;;
1256
1257   netbsd)
1258     # e.g. arm-unknown-netbsd-eabihf
1259     test "$host_arch" = arm && rust_osvariant=eabihf
1260     ;;
1261
1262   sunos)
1263     rust_machine=pc
1264     rust_os=solaris
1265     ;;
1266
1267   windows)
1268     # e.g. aarch64-pc-windows-gnullvm, x86_64-pc-windows-gnu (MSVC not supported)
1269     rust_machine=pc
1270     if test "$host_arch" = aarch64; then
1271       rust_osvariant=gnullvm
1272     else
1273       rust_osvariant=gnu
1274     fi
1275     ;;
1276   esac
1277
1278   # now tweak the architecture part, possibly based on pre-canonicalization --cpu
1279   case "$host_arch" in
1280   arm)
1281     # preserve ISA version (armv7 etc.) from $raw_cpu if passed via --cpu
1282     rust_arch=$raw_cpu
1283     test "$rust_arch" = arm && test "$rust_os" != linux && rust_arch=armv7
1284     ;;
1285
1286   mips)
1287     # preserve ISA version (mipsisa64r6 etc.) and include endianness
1288     rust_arch=${raw_cpu%el}
1289     test "$bigendian" = no && rust_arch=${rust_arch}el
1290     ;;
1291
1292   riscv32|riscv64)
1293     # e.g. riscv64gc-unknown-linux-gnu, but riscv64-linux-android
1294     test "$android" = no && rust_arch=${rust_arch}gc
1295     ;;
1296
1297   sparc64)
1298     if test "$rust_os" = solaris; then
1299       rust_arch=sparcv9
1300       rust_machine=sun
1301     fi
1302     ;;
1303
1304   x86_64)
1305     # e.g. x86_64-unknown-linux-gnux32
1306     test "$raw_cpu" = x32 && rust_osvariant=${rust_osvariant}x32
1307     ;;
1308   esac
1309
1310   if test "$android" = yes; then
1311     # e.g. aarch64-linux-android
1312     rust_target_triple=$rust_arch-$rust_os-$rust_osvariant
1313   else
1314     rust_target_triple=$rust_arch-$rust_machine-$rust_os${rust_osvariant:+-$rust_osvariant}
1315   fi
1316 fi
1317
1318 ##########################################
1319 # functions to probe cross compilers
1320
1321 container="no"
1322 runc=""
1323 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1324     case $($python "$source_path"/tests/docker/docker.py --engine "$container_engine" probe) in
1325         *docker) container=docker ;;
1326         podman) container=podman ;;
1327         no) container=no ;;
1328     esac
1329     if test "$container" != "no"; then
1330         docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1331         runc=$container
1332     fi
1333 fi
1334
1335 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1336 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1337 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1338 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1339 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1340 : ${cross_prefix_armeb="$cross_prefix_arm"}
1341 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1342 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1343 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1344 : ${cross_prefix_i386="i686-linux-gnu-"}
1345 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1346 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1347 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1348 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1349 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1350 : ${cross_prefix_mips="mips-linux-gnu-"}
1351 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1352 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1353 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1354 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1355 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1356 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1357 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1358 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1359 : ${cross_prefix_tricore="tricore-"}
1360 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1361
1362 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1363 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1364 : ${cross_cc_armeb="$cross_cc_arm"}
1365 : ${cross_cc_cflags_armeb="-mbig-endian"}
1366 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1367 : ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1368 : ${cross_cc_cflags_i386="-m32"}
1369 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1370 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1371 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1372 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1373 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1374 : ${cross_cc_sparc="$cross_cc_sparc64"}
1375 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1376 : ${cross_cc_cflags_x86_64="-m64 -mcx16"}
1377
1378 compute_target_variable() {
1379   eval "$2="
1380   if eval test -n "\"\${cross_prefix_$1}\""; then
1381     if eval has "\"\${cross_prefix_$1}\$3\""; then
1382       eval "$2=\"\${cross_prefix_$1}\$3\""
1383     fi
1384   fi
1385 }
1386
1387 have_target() {
1388   for i; do
1389     case " $target_list " in
1390       *" $i "*) return 0;;
1391       *) ;;
1392     esac
1393   done
1394   return 1
1395 }
1396
1397 # probe_target_compiler TARGET
1398 #
1399 # Look for a compiler for the given target, either native or cross.
1400 # Set variables target_* if a compiler is found, and container_cross_*
1401 # if a Docker-based cross-compiler image is known for the target.
1402 # Set got_cross_cc to yes/no depending on whether a non-container-based
1403 # compiler was found.
1404 #
1405 # If TARGET is a user-mode emulation target, also set build_static to
1406 # "y" if static linking is possible.
1407 #
1408 probe_target_compiler() {
1409   # reset all output variables
1410   got_cross_cc=no
1411   container_image=
1412   container_hosts=
1413   container_cross_prefix=
1414   container_cross_cc=
1415   container_cross_ar=
1416   container_cross_as=
1417   container_cross_ld=
1418   container_cross_nm=
1419   container_cross_objcopy=
1420   container_cross_ranlib=
1421   container_cross_strip=
1422
1423   target_arch=${1%%-*}
1424   case $target_arch in
1425     aarch64) container_hosts="x86_64 aarch64" ;;
1426     aarch64_be) container_hosts="x86_64 aarch64" ;;
1427     alpha) container_hosts=x86_64 ;;
1428     arm) container_hosts="x86_64 aarch64" ;;
1429     hexagon) container_hosts=x86_64 ;;
1430     hppa) container_hosts=x86_64 ;;
1431     i386) container_hosts=x86_64 ;;
1432     loongarch64) container_hosts=x86_64 ;;
1433     m68k) container_hosts=x86_64 ;;
1434     microblaze) container_hosts=x86_64 ;;
1435     mips64el) container_hosts=x86_64 ;;
1436     mips64) container_hosts=x86_64 ;;
1437     mipsel) container_hosts=x86_64 ;;
1438     mips) container_hosts=x86_64 ;;
1439     ppc) container_hosts=x86_64 ;;
1440     ppc64|ppc64le) container_hosts=x86_64 ;;
1441     riscv64) container_hosts=x86_64 ;;
1442     s390x) container_hosts=x86_64 ;;
1443     sh4) container_hosts=x86_64 ;;
1444     sparc64) container_hosts=x86_64 ;;
1445     tricore) container_hosts=x86_64 ;;
1446     x86_64) container_hosts="aarch64 ppc64le x86_64" ;;
1447     xtensa*) container_hosts=x86_64 ;;
1448   esac
1449
1450   for host in $container_hosts; do
1451     test "$container" != no || continue
1452     test "$host" = "$cpu" || continue
1453     case $target_arch in
1454       # debian-all-test-cross architectures
1455
1456       aarch64_be)
1457         container_image=debian-all-test-cross
1458         container_cross_prefix=aarch64-linux-gnu-
1459         ;;
1460       hppa|m68k|mips|riscv64|sparc64)
1461         container_image=debian-all-test-cross
1462         ;;
1463       mips64)
1464         container_image=debian-all-test-cross
1465         container_cross_prefix=mips64-linux-gnuabi64-
1466         ;;
1467       ppc|ppc64|ppc64le)
1468         container_image=debian-all-test-cross
1469         container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1470         ;;
1471
1472       # debian-legacy-test-cross architectures (need Debian 11)
1473       # - libc6.1-dev-alpha-cross: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054412
1474       # - sh4-linux-user: binaries don't run with bookworm compiler
1475
1476       alpha|sh4)
1477         container_image=debian-legacy-test-cross
1478         ;;
1479
1480       # architectures with individual containers
1481
1482       aarch64)
1483         # We don't have any bigendian build tools so we only use this for AArch64
1484         container_image=debian-arm64-cross
1485         ;;
1486       arm)
1487         # We don't have any bigendian build tools so we only use this for ARM
1488         container_image=debian-armhf-cross
1489         container_cross_prefix=arm-linux-gnueabihf-
1490         ;;
1491       hexagon)
1492         container_cross_prefix=hexagon-unknown-linux-musl-
1493         container_cross_cc=${container_cross_prefix}clang
1494         ;;
1495       i386)
1496         container_image=debian-i686-cross
1497         container_cross_prefix=i686-linux-gnu-
1498         ;;
1499       loongarch64)
1500         container_image=debian-loongarch-cross
1501         container_cross_prefix=loongarch64-unknown-linux-gnu-
1502         ;;
1503       microblaze)
1504         container_cross_prefix=microblaze-linux-musl-
1505         ;;
1506       mips64el)
1507         container_image=debian-all-test-cross
1508         container_cross_prefix=mips64el-linux-gnuabi64-
1509         ;;
1510       tricore)
1511         container_image=debian-tricore-cross
1512         container_cross_prefix=tricore-
1513         ;;
1514       x86_64)
1515         container_image=debian-amd64-cross
1516         ;;
1517       xtensa*)
1518         container_image=debian-xtensa-cross
1519
1520         # default to the dc232b cpu
1521         container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1522         ;;
1523     esac
1524     # Debian and GNU architecture names usually match
1525     : ${container_image:=debian-$target_arch-cross}
1526     : ${container_cross_prefix:=$target_arch-linux-gnu-}
1527     : ${container_cross_cc:=${container_cross_prefix}gcc}
1528     : ${container_cross_ar:=${container_cross_prefix}ar}
1529     : ${container_cross_as:=${container_cross_prefix}as}
1530     : ${container_cross_ld:=${container_cross_prefix}ld}
1531     : ${container_cross_nm:=${container_cross_prefix}nm}
1532     : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1533     : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1534     : ${container_cross_strip:=${container_cross_prefix}strip}
1535   done
1536
1537   try=cross
1538   # For softmmu/roms also look for a bi-endian or multilib-enabled host compiler
1539   if [ "${1%softmmu}" != "$1" ] || test "$target_arch" = "$cpu"; then
1540       case "$target_arch:$cpu" in
1541         aarch64_be:aarch64 | \
1542         armeb:arm | \
1543         i386:x86_64 | \
1544         mips*:mips64 | \
1545         ppc*:ppc64 | \
1546         sparc:sparc64 | \
1547         "$cpu:$cpu")
1548         try='native cross' ;;
1549       esac
1550   fi
1551   eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1552   for thistry in $try; do
1553     case $thistry in
1554     native)
1555       target_cc=$cc
1556       target_ccas=$ccas
1557       target_ar=$ar
1558       target_as=$as
1559       target_ld=$ld
1560       target_nm=$nm
1561       target_objcopy=$objcopy
1562       target_ranlib=$ranlib
1563       target_strip=$strip
1564       ;;
1565     cross)
1566       target_cc=
1567       if eval test -n "\"\${cross_cc_$target_arch}\""; then
1568         if eval has "\"\${cross_cc_$target_arch}\""; then
1569           eval "target_cc=\"\${cross_cc_$target_arch}\""
1570         fi
1571       else
1572         compute_target_variable $target_arch target_cc gcc
1573       fi
1574       target_ccas=$target_cc
1575       compute_target_variable $target_arch target_ar ar
1576       compute_target_variable $target_arch target_as as
1577       compute_target_variable $target_arch target_ld ld
1578       compute_target_variable $target_arch target_nm nm
1579       compute_target_variable $target_arch target_objcopy objcopy
1580       compute_target_variable $target_arch target_ranlib ranlib
1581       compute_target_variable $target_arch target_strip strip
1582       ;;
1583     esac
1584
1585     if test -n "$target_cc"; then
1586       case $target_arch in
1587         i386|x86_64)
1588           if $target_cc --version | grep -qi "clang"; then
1589             continue
1590           fi
1591           ;;
1592       esac
1593     elif test -n "$target_as" && test -n "$target_ld"; then
1594       # Special handling for assembler only targets
1595       case $target in
1596         tricore-softmmu)
1597           build_static=
1598           got_cross_cc=yes
1599           break
1600           ;;
1601         *)
1602           continue
1603           ;;
1604       esac
1605     else
1606       continue
1607     fi
1608
1609     write_c_skeleton
1610     case $1 in
1611       *-softmmu)
1612         if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1613           do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1614           got_cross_cc=yes
1615           break
1616         fi
1617         ;;
1618       *)
1619         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1620           build_static=y
1621           got_cross_cc=yes
1622           break
1623         fi
1624         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1625           build_static=
1626           got_cross_cc=yes
1627           break
1628         fi
1629         ;;
1630     esac
1631   done
1632   if test $got_cross_cc != yes; then
1633     build_static=
1634     target_cc=
1635     target_ccas=
1636     target_ar=
1637     target_as=
1638     target_ld=
1639     target_nm=
1640     target_objcopy=
1641     target_ranlib=
1642     target_strip=
1643   fi
1644   test -n "$target_cc"
1645 }
1646
1647 write_target_makefile() {
1648   echo "EXTRA_CFLAGS=$target_cflags"
1649   if test -z "$target_cc" && test -z "$target_as"; then
1650     test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1651     echo "$1: docker-image-$container_image" >> Makefile.prereqs
1652     if test -n "$container_cross_cc"; then
1653       echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1654       echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1655     fi
1656     echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1657     echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1658     echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1659     echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1660     echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1661     echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1662     echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1663   else
1664     if test -n "$target_cc"; then
1665       echo "CC=$target_cc"
1666       echo "CCAS=$target_ccas"
1667     fi
1668     if test -n "$target_ar"; then
1669       echo "AR=$target_ar"
1670     fi
1671     if test -n "$target_as"; then
1672       echo "AS=$target_as"
1673     fi
1674     if test -n "$target_ld"; then
1675       echo "LD=$target_ld"
1676     fi
1677     if test -n "$target_nm"; then
1678       echo "NM=$target_nm"
1679     fi
1680     if test -n "$target_objcopy"; then
1681       echo "OBJCOPY=$target_objcopy"
1682     fi
1683     if test -n "$target_ranlib"; then
1684       echo "RANLIB=$target_ranlib"
1685     fi
1686     if test -n "$target_strip"; then
1687       echo "STRIP=$target_strip"
1688     fi
1689   fi
1690 }
1691
1692 #######################################
1693 # cross-compiled firmware targets
1694
1695 # Set up build tree symlinks that point back into the source tree
1696 # (these can be both files and directories).
1697 # Caution: avoid adding files or directories here using wildcards. This
1698 # will result in problems later if a new file matching the wildcard is
1699 # added to the source tree -- nothing will cause configure to be rerun
1700 # so the build tree will be missing the link back to the new file, and
1701 # tests might fail. Prefer to keep the relevant files in their own
1702 # directory and symlink the directory instead.
1703 LINKS="Makefile"
1704 LINKS="$LINKS docs/config"
1705 LINKS="$LINKS pc-bios/optionrom/Makefile"
1706 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1707 LINKS="$LINKS pc-bios/vof/Makefile"
1708 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1709 LINKS="$LINKS tests/data"
1710 LINKS="$LINKS tests/qemu-iotests/check tests/qemu-iotests/Makefile"
1711 LINKS="$LINKS python"
1712 for f in $LINKS ; do
1713     if [ -e "$source_path/$f" ]; then
1714         symlink "$source_path/$f" "$f"
1715     fi
1716 done
1717
1718 # use included Linux headers for KVM architectures
1719 if test "$host_os" = "linux" && test -n "$linux_arch"; then
1720   symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1721 fi
1722
1723 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1724
1725 # Mac OS X ships with a broken assembler
1726 if have_target i386-softmmu x86_64-softmmu && \
1727         test "$host_os" != "darwin" && test "$host_os" != "sunos" && \
1728         test "$host_os" != "haiku" && \
1729         probe_target_compiler i386-softmmu; then
1730     subdirs="$subdirs pc-bios/optionrom"
1731     config_mak=pc-bios/optionrom/config.mak
1732     echo "# Automatically generated by configure - do not modify" > $config_mak
1733     echo "TOPSRC_DIR=$source_path" >> $config_mak
1734     write_target_makefile >> $config_mak
1735 fi
1736
1737 if have_target ppc-softmmu ppc64-softmmu && \
1738         probe_target_compiler ppc-softmmu; then
1739     subdirs="$subdirs pc-bios/vof"
1740     config_mak=pc-bios/vof/config.mak
1741     echo "# Automatically generated by configure - do not modify" > $config_mak
1742     echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1743     write_target_makefile >> $config_mak
1744 fi
1745
1746 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1747 # (which is the lowest architecture level that Clang supports)
1748 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu && \
1749     GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" roms/SLOF >> config.log 2>&1; then
1750   write_c_skeleton
1751   do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1752   has_z900=$?
1753   if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1754     if [ $has_z900 != 0 ]; then
1755       echo "WARNING: Your compiler does not support the z900!"
1756       echo "         The s390-ccw bios will only work with guest CPUs >= z10."
1757     fi
1758     subdirs="$subdirs pc-bios/s390-ccw"
1759     config_mak=pc-bios/s390-ccw/config-host.mak
1760     echo "# Automatically generated by configure - do not modify" > $config_mak
1761     echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1762     echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_mak
1763     write_target_makefile >> $config_mak
1764   fi
1765 fi
1766
1767 #######################################
1768 # generate config-host.mak
1769
1770 config_host_mak="config-host.mak"
1771
1772 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1773 echo >> $config_host_mak
1774
1775 echo all: >> $config_host_mak
1776
1777 echo "SRC_PATH=$source_path" >> $config_host_mak
1778 echo "TARGET_DIRS=$target_list" >> $config_host_mak
1779 echo "GDB=$gdb_bin" >> $config_host_mak
1780 if test "$container" != no; then
1781     echo "RUNC=$runc" >> $config_host_mak
1782 fi
1783 echo "SUBDIRS=$subdirs" >> $config_host_mak
1784 if test "$rust" != disabled; then
1785   echo "RUST_TARGET_TRIPLE=$rust_target_triple" >> $config_host_mak
1786 fi
1787 echo "PYTHON=$python" >> $config_host_mak
1788 echo "MKVENV_ENSUREGROUP=$mkvenv ensuregroup $mkvenv_online_flag" >> $config_host_mak
1789 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1790 echo "MESON=$meson" >> $config_host_mak
1791 echo "NINJA=$ninja" >> $config_host_mak
1792 echo "EXESUF=$EXESUF" >> $config_host_mak
1793 if test "$default_targets" = "yes"; then
1794   echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1795 fi
1796
1797 # tests/tcg configuration
1798 mkdir -p tests/tcg
1799 echo "# Automatically generated by configure - do not modify" > tests/tcg/$config_host_mak
1800 echo "SRC_PATH=$source_path" >> tests/tcg/$config_host_mak
1801 if test "$plugins" = "yes" ; then
1802     echo "CONFIG_PLUGIN=y" >> tests/tcg/$config_host_mak
1803 fi
1804
1805 tcg_tests_targets=
1806 for target in $target_list; do
1807   arch=${target%%-*}
1808
1809   case $target in
1810     xtensa*-linux-user)
1811       # the toolchain is not complete with headers, only build system tests
1812       continue
1813       ;;
1814     *-softmmu)
1815       test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1816       qemu="qemu-system-$arch"
1817       ;;
1818     *-linux-user|*-bsd-user)
1819       qemu="qemu-$arch"
1820       ;;
1821   esac
1822
1823   if probe_target_compiler $target || test -n "$container_image"; then
1824       test -n "$container_image" && build_static=y
1825       mkdir -p "tests/tcg/$target"
1826       config_target_mak=tests/tcg/$target/config-target.mak
1827       ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1828       echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1829       echo "TARGET_NAME=$arch" >> "$config_target_mak"
1830       echo "TARGET=$target" >> "$config_target_mak"
1831       write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1832       echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1833       echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1834
1835       # will GDB work with these binaries?
1836       if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1837           echo "GDB=$gdb_bin" >> $config_target_mak
1838       fi
1839
1840       if test "${gdb_arches#*aarch64}" != "$gdb_arches" && version_ge $gdb_version 15.1; then
1841           echo "GDB_HAS_MTE=y" >> $config_target_mak
1842       fi
1843
1844       if test "${gdb_arches#*aarch64}" != "$gdb_arches" && version_ge $gdb_version 16.0; then
1845           # GDB has to support MTE in baremetal to allow debugging MTE in QEMU system mode
1846           echo "GDB_SUPPORTS_MTE_IN_BAREMETAL=y" >> $config_target_mak
1847       fi
1848
1849       echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1850       tcg_tests_targets="$tcg_tests_targets $target"
1851   fi
1852 done
1853
1854 if test "$tcg" = "enabled"; then
1855     echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> $config_host_mak
1856 fi
1857
1858 if test "$skip_meson" = no; then
1859   cross="config-meson.cross.new"
1860   meson_quote() {
1861     test $# = 0 && return
1862     echo "'$(echo $* | sed "s/ /','/g")'"
1863   }
1864
1865   echo "# Automatically generated by configure - do not modify" > $cross
1866   echo "[properties]" >> $cross
1867
1868   # unroll any custom device configs
1869   for a in $device_archs; do
1870       eval "c=\$devices_${a}"
1871       echo "${a}-softmmu = '$c'" >> $cross
1872   done
1873
1874   echo "[built-in options]" >> $cross
1875   echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1876   echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1877   test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1878   echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1879   echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1880
1881   # Only enable by default for git builds and on select OSes
1882   echo "# environment defaults, can still be overridden on " >> $cross
1883   echo "# the command line" >> $cross
1884   if test -e "$source_path/.git" && \
1885       { test "$host_os" = linux || test "$host_os" = "windows"; }; then
1886       echo 'werror = true' >> $cross
1887   fi
1888   echo "[project options]" >> $cross
1889   if test "$SMBD" != ''; then
1890     echo "smbd = $(meson_quote "$SMBD")" >> $cross
1891   fi
1892   if test "${QEMU_GA_MANUFACTURER}" != ''; then
1893     echo "qemu_ga_manufacturer = $(meson_quote "${QEMU_GA_MANUFACTURER}")" >> $cross
1894   fi
1895   if test "${QEMU_GA_DISTRO}" != ''; then
1896     echo "qemu_ga_distro = $(meson_quote "${QEMU_GA_DISTRO}")" >> $cross
1897   fi
1898   if test "${QEMU_GA_VERSION}" != ''; then
1899     echo "qemu_ga_version = $(meson_quote "${QEMU_GA_VERSION}")" >> $cross
1900   fi
1901
1902   echo >> $cross
1903   echo "[binaries]" >> $cross
1904   echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1905   test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1906   test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1907   if test "$rust" != disabled; then
1908     if test "$rust_host_triple" != "$rust_target_triple"; then
1909       echo "rust = [$(meson_quote $rustc --target "$rust_target_triple")]" >> $cross
1910       echo "rustdoc = [$(meson_quote $rustdoc --target "$rust_target_triple")]" >> $cross
1911     else
1912       echo "rust = [$(meson_quote $rustc)]" >> $cross
1913       echo "rustdoc = [$(meson_quote $rustdoc)]" >> $cross
1914     fi
1915   fi
1916   echo "ar = [$(meson_quote $ar)]" >> $cross
1917   echo "dlltool = [$(meson_quote $dlltool)]" >> $cross
1918   echo "nm = [$(meson_quote $nm)]" >> $cross
1919   echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1920   echo "pkg-config = [$(meson_quote $pkg_config)]" >> $cross
1921   echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1922   echo "readelf = [$(meson_quote $readelf)]" >> $cross
1923   if has $sdl2_config; then
1924     echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1925   fi
1926   echo "strip = [$(meson_quote $strip)]" >> $cross
1927   echo "widl = [$(meson_quote $widl)]" >> $cross
1928   echo "windres = [$(meson_quote $windres)]" >> $cross
1929   echo "windmc = [$(meson_quote $windmc)]" >> $cross
1930   if test "$cross_compile" = "yes"; then
1931     echo "[host_machine]" >> $cross
1932     echo "system = '$host_os'" >> $cross
1933     case "$cpu" in
1934         i386)
1935             echo "cpu_family = 'x86'" >> $cross
1936             ;;
1937         *)
1938             echo "cpu_family = '$cpu'" >> $cross
1939             ;;
1940     esac
1941     echo "cpu = '$cpu'" >> $cross
1942     if test "$bigendian" = "yes" ; then
1943         echo "endian = 'big'" >> $cross
1944     else
1945         echo "endian = 'little'" >> $cross
1946     fi
1947
1948     native="config-meson.native.new"
1949     echo "# Automatically generated by configure - do not modify" > $native
1950     echo "[binaries]" >> $native
1951     echo "c = [$(meson_quote $host_cc)]" >> $native
1952     if test "$rust" != disabled; then
1953       echo "rust = [$(meson_quote $rustc)]" >> $cross
1954     fi
1955     mv $native config-meson.native
1956     meson_option_add --native-file
1957     meson_option_add config-meson.native
1958   fi
1959   mv $cross config-meson.cross
1960   meson_add_machine_file config-meson.cross
1961   if test -f "$source_path/configs/meson/$host_os.txt"; then
1962     meson_add_machine_file $source_path/configs/meson/$host_os.txt
1963   fi
1964
1965   rm -rf meson-private meson-info meson-logs
1966
1967   test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload"
1968   test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1969   test "$static" = yes && meson_option_add -Dprefer_static=true
1970   test "$pie" = no && meson_option_add -Db_pie=false
1971
1972   # QEMU options
1973   test "$rust" != "disabled" && meson_option_add "-Drust=$rust"
1974   test "$cfi" != false && meson_option_add "-Dcfi=$cfi" "-Db_lto=$cfi"
1975   test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1976   test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1977   test "$plugins" = yes && meson_option_add "-Dplugins=true"
1978   test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1979   run_meson() {
1980     NINJA=$ninja $meson setup "$@" "$PWD" "$source_path"
1981   }
1982   eval run_meson $meson_options
1983   if test "$?" -ne 0 ; then
1984       error_exit "meson setup failed"
1985   fi
1986   echo "$meson" > build.ninja.stamp
1987 else
1988   if test -f meson-private/cmd_line.txt; then
1989     # Adjust old command line options that were removed
1990     # sed -i is not portable
1991     perl -i -ne '
1992       /^sphinx_build/ && next;
1993       print;' meson-private/cmd_line.txt
1994   fi
1995 fi
1996
1997 # Save the configure command line for later reuse.
1998 cat <<EOD >config.status
1999 #!/bin/sh
2000 # Generated by configure.
2001 # Run this file to recreate the current configuration.
2002 # Compiler output produced by configure, useful for debugging
2003 # configure, is in config.log if it exists.
2004 EOD
2005
2006 preserve_env() {
2007     envname=$1
2008
2009     eval envval=\$$envname
2010
2011     if test -n "$envval"
2012     then
2013         echo "$envname='$envval'" >> config.status
2014         echo "export $envname" >> config.status
2015     else
2016         echo "unset $envname" >> config.status
2017     fi
2018 }
2019
2020 # Preserve various env variables that influence what
2021 # features/build target configure will detect
2022 preserve_env AR
2023 preserve_env AS
2024 preserve_env CC
2025 preserve_env CFLAGS
2026 preserve_env CXX
2027 preserve_env CXXFLAGS
2028 preserve_env DLLTOOL
2029 preserve_env LD
2030 preserve_env LDFLAGS
2031 preserve_env LD_LIBRARY_PATH
2032 preserve_env NM
2033 preserve_env OBJCFLAGS
2034 preserve_env OBJCOPY
2035 preserve_env PATH
2036 preserve_env PKG_CONFIG
2037 preserve_env PKG_CONFIG_LIBDIR
2038 preserve_env PKG_CONFIG_PATH
2039 preserve_env PYTHON
2040 preserve_env QEMU_GA_MANUFACTURER
2041 preserve_env QEMU_GA_DISTRO
2042 preserve_env QEMU_GA_VERSION
2043 preserve_env SDL2_CONFIG
2044 preserve_env SMBD
2045 preserve_env STRIP
2046 preserve_env WIDL
2047 preserve_env WINDRES
2048 preserve_env WINDMC
2049
2050 printf "exec" >>config.status
2051 for i in "$0" "$@"; do
2052   test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
2053 done
2054 echo ' "$@"' >>config.status
2055 chmod +x config.status
2056
2057 rm -r "$TMPDIR1"
2058
2059 if test "$rust" != disabled; then
2060   echo
2061   echo 'INFO: Rust bindings generation with `bindgen` might fail in some cases where'
2062   echo 'the detected `libclang` does not match the expected `clang` version/target. In'
2063   echo 'this case you must pass the path to `clang` and `libclang` to your build'
2064   echo 'command invocation using the environment variables CLANG_PATH and LIBCLANG_PATH'
2065 fi