configure

   1 #!/bin/sh
   2 #
   3 # qemu configure script (c) 2003 Fabrice Bellard
   4 #
   5
   6 # Unset some variables known to interfere with behavior of common tools,
   7 # just as autoconf does.  Unlike autoconf, we assume that unset exists.
   8 unset CLICOLOR_FORCE GREP_OPTIONS BASH_ENV ENV MAIL MAILPATH CDPATH
   9
  10 # Don't allow CCACHE, if present, to use cached results of compile tests!
  11 export CCACHE_RECACHE=yes
  12
  13 # make source path absolute
  14 source_path=$(cd "$(dirname -- "$0")"; pwd)
  15
  16 if test "$PWD" = "$source_path"
  17 then
  18     echo "Using './build' as the directory for build output"
  19
  20     MARKER=build/auto-created-by-configure
  21
  22     if test -e build
  23     then
  24         if test -f $MARKER
  25         then
  26            rm -rf build
  27         else
  28             echo "ERROR: ./build dir already exists and was not previously created by configure"
  29             exit 1
  30         fi
  31     fi
  32
  33     if ! mkdir build || ! touch $MARKER
  34     then
  35         echo "ERROR: Could not create ./build directory. Check the permissions on"
  36         echo "your source directory, or try doing an out-of-tree build."
  37         exit 1
  38     fi
  39
  40     cat > GNUmakefile <<'EOF'
  41 # This file is auto-generated by configure to support in-source tree
  42 # 'make' command invocation
  43
  44 ifeq ($(MAKECMDGOALS),)
  45 recurse: all
  46 endif
  47
  48 .NOTPARALLEL: %
  49 %: force
  50         @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
  51         @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
  52         @if test "$(MAKECMDGOALS)" = "distclean" && \
  53             test -e build/auto-created-by-configure ; \
  54         then \
  55             rm -rf build GNUmakefile ; \
  56         fi
  57 force: ;
  58 .PHONY: force
  59 GNUmakefile: ;
  60
  61 EOF
  62     cd build
  63     exec "$source_path/configure" "$@"
  64 fi
  65
  66 # Temporary directory used for files created while
  67 # configure runs. Since it is in the build directory
  68 # we can safely blow away any previous version of it
  69 # (and we need not jump through hoops to try to delete
  70 # it when configure exits.)
  71 TMPDIR1="config-temp"
  72 rm -rf "${TMPDIR1}"
  73 if ! mkdir -p "${TMPDIR1}"; then
  74     echo "ERROR: failed to create temporary directory"
  75     exit 1
  76 fi
  77
  78 TMPB="qemu-conf"
  79 TMPC="${TMPDIR1}/${TMPB}.c"
  80 TMPO="${TMPDIR1}/${TMPB}.o"
  81 TMPE="${TMPDIR1}/${TMPB}.exe"
  82
  83 rm -f config.log
  84
  85 # Print a helpful header at the top of config.log
  86 echo "# QEMU configure log $(date)" >> config.log
  87 printf "# Configured with:" >> config.log
  88 # repeat the invocation to log and stdout for CI
  89 invoke=$(printf " '%s'" "$0" "$@")
  90 test -n "$GITLAB_CI" && echo "configuring with: $invoke"
  91 { echo "$invoke"; echo; echo "#"; } >> config.log
  92
  93 quote_sh() {
  94     printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
  95 }
  96
  97 print_error() {
  98     (echo
  99     echo "ERROR: $1"
 100     while test -n "$2"; do
 101         echo "       $2"
 102         shift
 103     done
 104     echo) >&2
 105 }
 106
 107 error_exit() {
 108     print_error "$@"
 109     exit 1
 110 }
 111
 112 do_compiler() {
 113   # Run the compiler, capturing its output to the log. First argument
 114   # is compiler binary to execute.
 115   compiler="$1"
 116   shift
 117   if test -n "$BASH_VERSION"; then eval '
 118       echo >>config.log "
 119 funcs: ${FUNCNAME[*]}
 120 lines: ${BASH_LINENO[*]}"
 121   '; fi
 122   echo $compiler "$@" >> config.log
 123   $compiler "$@" >> config.log 2>&1 || return $?
 124 }
 125
 126 do_cc() {
 127     do_compiler "$cc" $CPU_CFLAGS "$@"
 128 }
 129
 130 compile_object() {
 131   local_cflags="$1"
 132   do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -c -o $TMPO $TMPC
 133 }
 134
 135 compile_prog() {
 136   local_cflags="$1"
 137   local_ldflags="$2"
 138   do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -o $TMPE $TMPC \
 139       $LDFLAGS $EXTRA_LDFLAGS $local_ldflags
 140 }
 141
 142 # symbolically link $1 to $2.  Portable version of "ln -sf".
 143 symlink() {
 144   rm -rf "$2"
 145   mkdir -p "$(dirname "$2")"
 146   ln -s "$1" "$2"
 147 }
 148
 149 # check whether a command is available to this shell (may be either an
 150 # executable or a builtin)
 151 has() {
 152     type "$1" >/dev/null 2>&1
 153 }
 154
 155 version_ge () {
 156     local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
 157     local_ver2=$(echo "$2" | tr . ' ')
 158     while true; do
 159         set x $local_ver1
 160         local_first=${2-0}
 161         # 'shift 2' if $2 is set, or 'shift' if $2 is not set
 162         shift ${2:+2}
 163         local_ver1=$*
 164         set x $local_ver2
 165         # the second argument finished, the first must be greater or equal
 166         test $# = 1 && return 0
 167         test $local_first -lt $2 && return 1
 168         test $local_first -gt $2 && return 0
 169         shift ${2:+2}
 170         local_ver2=$*
 171     done
 172 }
 173
 174 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 175 then
 176   error_exit "main directory cannot contain spaces nor colons"
 177 fi
 178
 179 # parse CC options first; some compiler tests are used to establish
 180 # some defaults, based on the host environment
 181
 182 # default parameters
 183 cpu=""
 184 cross_compile="no"
 185 cross_prefix=""
 186 host_cc="cc"
 187 EXTRA_CFLAGS=""
 188 EXTRA_CXXFLAGS=""
 189 EXTRA_OBJCFLAGS=""
 190 EXTRA_LDFLAGS=""
 191
 192 # Default value for a variable defining feature "foo".
 193 #  * foo="no"  feature will only be used if --enable-foo arg is given
 194 #  * foo=""    feature will be searched for, and if found, will be used
 195 #              unless --disable-foo is given
 196 #  * foo="yes" this value will only be set by --enable-foo flag.
 197 #              feature will searched for,
 198 #              if not found, configure exits with error
 199 #
 200 # Always add --enable-foo and --disable-foo command line args.
 201 # Distributions want to ensure that several features are compiled in, and it
 202 # is impossible without a --enable-foo that exits if a feature is not found.
 203 default_feature=""
 204
 205 for opt do
 206   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 207   case "$opt" in
 208   --cross-prefix=*) cross_prefix="$optarg"
 209                     cross_compile="yes"
 210   ;;
 211   --cc=*) CC="$optarg"
 212   ;;
 213   --cxx=*) CXX="$optarg"
 214   ;;
 215   --objcc=*) objcc="$optarg"
 216   ;;
 217   --cpu=*) cpu="$optarg"
 218   ;;
 219   --extra-cflags=*)
 220     EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
 221     EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
 222     EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
 223     ;;
 224   --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
 225   ;;
 226   --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
 227   ;;
 228   --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
 229   ;;
 230   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 231   ;;
 232   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
 233                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 234   ;;
 235   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 236                 eval "cross_cc_${cc_arch}=\$optarg"
 237   ;;
 238   --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
 239   ;;
 240   --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
 241                     eval "cross_prefix_${cc_arch}=\$optarg"
 242   ;;
 243   --without-default-features) default_feature="no"
 244   ;;
 245   esac
 246 done
 247
 248
 249 git_submodules_action="update"
 250 git="git"
 251 debug_tcg="no"
 252 docs="auto"
 253 EXESUF=""
 254 prefix="/usr/local"
 255 qemu_suffix="qemu"
 256 softmmu="yes"
 257 linux_user=""
 258 bsd_user=""
 259 plugins="$default_feature"
 260 ninja=""
 261 python=
 262 download="enabled"
 263 bindir="bin"
 264 skip_meson=no
 265 use_containers="yes"
 266 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 267 gdb_arches=""
 268 werror=""
 269
 270 # Don't accept a target_list environment variable.
 271 unset target_list
 272 unset target_list_exclude
 273
 274 # The following Meson options are handled manually (still they
 275 # are included in the automatically generated help message)
 276 # because they automatically enable/disable other options
 277 tcg="auto"
 278 cfi="false"
 279
 280 # Meson has PIE as a boolean rather than enabled/disabled/auto,
 281 # and we also need to check for -static-pie before Meson runs
 282 # which requires knowing whether --static is enabled.
 283 pie=""
 284 static="no"
 285
 286 # Preferred compiler:
 287 #  ${CC} (if set)
 288 #  ${cross_prefix}gcc (if cross-prefix specified)
 289 #  system compiler
 290 if test -z "${CC}${cross_prefix}"; then
 291   cc="$host_cc"
 292 else
 293   cc="${CC-${cross_prefix}gcc}"
 294 fi
 295
 296 if test -z "${CXX}${cross_prefix}"; then
 297   cxx="c++"
 298 else
 299   cxx="${CXX-${cross_prefix}g++}"
 300 fi
 301
 302 # Preferred ObjC compiler:
 303 # $objcc (if set, i.e. via --objcc option)
 304 # ${cross_prefix}clang (if cross-prefix specified)
 305 # clang (if available)
 306 # $cc
 307 if test -z "${objcc}${cross_prefix}"; then
 308   if has clang; then
 309     objcc=clang
 310   else
 311     objcc="$cc"
 312   fi
 313 else
 314   objcc="${objcc-${cross_prefix}clang}"
 315 fi
 316
 317 ar="${AR-${cross_prefix}ar}"
 318 as="${AS-${cross_prefix}as}"
 319 ccas="${CCAS-$cc}"
 320 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 321 ld="${LD-${cross_prefix}ld}"
 322 ranlib="${RANLIB-${cross_prefix}ranlib}"
 323 nm="${NM-${cross_prefix}nm}"
 324 smbd="$SMBD"
 325 strip="${STRIP-${cross_prefix}strip}"
 326 widl="${WIDL-${cross_prefix}widl}"
 327 windres="${WINDRES-${cross_prefix}windres}"
 328 windmc="${WINDMC-${cross_prefix}windmc}"
 329 pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}"
 330 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 331
 332 check_define() {
 333 cat > $TMPC <<EOF
 334 #if !defined($1)
 335 #error $1 not defined
 336 #endif
 337 int main(void) { return 0; }
 338 EOF
 339   compile_object
 340 }
 341
 342 write_c_skeleton() {
 343     cat > $TMPC <<EOF
 344 int main(void) { return 0; }
 345 EOF
 346 }
 347
 348 if check_define __linux__ ; then
 349   targetos=linux
 350 elif check_define _WIN32 ; then
 351   targetos=windows
 352 elif check_define __OpenBSD__ ; then
 353   targetos=openbsd
 354 elif check_define __sun__ ; then
 355   targetos=sunos
 356 elif check_define __HAIKU__ ; then
 357   targetos=haiku
 358 elif check_define __FreeBSD__ ; then
 359   targetos=freebsd
 360 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 361   targetos=gnu/kfreebsd
 362 elif check_define __DragonFly__ ; then
 363   targetos=dragonfly
 364 elif check_define __NetBSD__; then
 365   targetos=netbsd
 366 elif check_define __APPLE__; then
 367   targetos=darwin
 368 else
 369   # This is a fatal error, but don't report it yet, because we
 370   # might be going to just print the --help text, or it might
 371   # be the result of a missing compiler.
 372   targetos=bogus
 373 fi
 374
 375 # OS specific
 376
 377 mingw32="no"
 378 bsd="no"
 379 linux="no"
 380 solaris="no"
 381 case $targetos in
 382 windows)
 383   mingw32="yes"
 384   plugins="no"
 385   pie="no"
 386 ;;
 387 gnu/kfreebsd)
 388   bsd="yes"
 389 ;;
 390 freebsd)
 391   bsd="yes"
 392   # needed for kinfo_getvmmap(3) in libutil.h
 393 ;;
 394 dragonfly)
 395   bsd="yes"
 396 ;;
 397 netbsd)
 398   bsd="yes"
 399 ;;
 400 openbsd)
 401   bsd="yes"
 402 ;;
 403 darwin)
 404   bsd="yes"
 405   darwin="yes"
 406 ;;
 407 sunos)
 408   solaris="yes"
 409 ;;
 410 haiku)
 411   pie="no"
 412 ;;
 413 linux)
 414   linux="yes"
 415 ;;
 416 esac
 417
 418 if test ! -z "$cpu" ; then
 419   # command line argument
 420   :
 421 elif check_define __i386__ ; then
 422   cpu="i386"
 423 elif check_define __x86_64__ ; then
 424   if check_define __ILP32__ ; then
 425     cpu="x32"
 426   else
 427     cpu="x86_64"
 428   fi
 429 elif check_define __sparc__ ; then
 430   if check_define __arch64__ ; then
 431     cpu="sparc64"
 432   else
 433     cpu="sparc"
 434   fi
 435 elif check_define _ARCH_PPC ; then
 436   if check_define _ARCH_PPC64 ; then
 437     if check_define _LITTLE_ENDIAN ; then
 438       cpu="ppc64le"
 439     else
 440       cpu="ppc64"
 441     fi
 442   else
 443     cpu="ppc"
 444   fi
 445 elif check_define __mips__ ; then
 446   cpu="mips"
 447 elif check_define __s390__ ; then
 448   if check_define __s390x__ ; then
 449     cpu="s390x"
 450   else
 451     cpu="s390"
 452   fi
 453 elif check_define __riscv ; then
 454   if check_define _LP64 ; then
 455     cpu="riscv64"
 456   else
 457     cpu="riscv32"
 458   fi
 459 elif check_define __arm__ ; then
 460   cpu="arm"
 461 elif check_define __aarch64__ ; then
 462   cpu="aarch64"
 463 elif check_define __loongarch64 ; then
 464   cpu="loongarch64"
 465 else
 466   # Using uname is really broken, but it is just a fallback for architectures
 467   # that are going to use TCI anyway
 468   cpu=$(uname -m)
 469   echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
 470 fi
 471
 472 case "$cpu" in
 473   riscv*)
 474     host_arch=riscv ;;
 475   *)
 476     host_arch="$cpu" ;;
 477 esac
 478
 479 # Normalise host CPU name and set multilib cflags.  The canonicalization
 480 # isn't really necessary, because the architectures that we check for
 481 # should not hit the 'uname -m' case, but better safe than sorry.
 482 # Note that this case should only have supported host CPUs, not guests.
 483 case "$cpu" in
 484   armv*b|armv*l|arm)
 485     cpu="arm" ;;
 486
 487   i386|i486|i586|i686)
 488     cpu="i386"
 489     CPU_CFLAGS="-m32" ;;
 490   x32)
 491     cpu="x86_64"
 492     CPU_CFLAGS="-mx32" ;;
 493   x86_64|amd64)
 494     cpu="x86_64"
 495     # ??? Only extremely old AMD cpus do not have cmpxchg16b.
 496     # If we truly care, we should simply detect this case at
 497     # runtime and generate the fallback to serial emulation.
 498     CPU_CFLAGS="-m64 -mcx16" ;;
 499
 500   mips*)
 501     cpu="mips" ;;
 502
 503   ppc)
 504     CPU_CFLAGS="-m32" ;;
 505   ppc64)
 506     CPU_CFLAGS="-m64 -mbig-endian" ;;
 507   ppc64le)
 508     cpu="ppc64"
 509     CPU_CFLAGS="-m64 -mlittle-endian" ;;
 510
 511   s390)
 512     CPU_CFLAGS="-m31" ;;
 513   s390x)
 514     CPU_CFLAGS="-m64" ;;
 515
 516   sparc|sun4[cdmuv])
 517     cpu="sparc"
 518     CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;;
 519   sparc64)
 520     CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;;
 521 esac
 522
 523 check_py_version() {
 524     # We require python >= 3.7.
 525     # NB: a True python conditional creates a non-zero return code (Failure)
 526     "$1" -c 'import sys; sys.exit(sys.version_info < (3,7))'
 527 }
 528
 529 first_python=
 530 if test -z "${PYTHON}"; then
 531     # A bare 'python' is traditionally python 2.x, but some distros
 532     # have it as python 3.x, so check in both places.
 533     for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7; do
 534         if has "$binary"; then
 535             python=$(command -v "$binary")
 536             if check_py_version "$python"; then
 537                 # This one is good.
 538                 first_python=
 539                 break
 540             else
 541                 first_python=$python
 542             fi
 543         fi
 544     done
 545 else
 546     # Same as above, but only check the environment variable.
 547     has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
 548     python=$(command -v "$PYTHON")
 549     if check_py_version "$python"; then
 550         # This one is good.
 551         first_python=
 552     else
 553         first_python=$first_python
 554     fi
 555 fi
 556
 557 # Check for ancillary tools used in testing
 558 genisoimage=
 559 for binary in genisoimage mkisofs
 560 do
 561     if has $binary
 562     then
 563         genisoimage=$(command -v "$binary")
 564         break
 565     fi
 566 done
 567
 568 if test "$mingw32" = "yes" ; then
 569   EXESUF=".exe"
 570   prefix="/qemu"
 571   bindir=""
 572   qemu_suffix=""
 573 fi
 574
 575 meson_option_build_array() {
 576   printf '['
 577   (if test "$targetos" = windows; then
 578     IFS=\;
 579   else
 580     IFS=:
 581   fi
 582   for e in $1; do
 583     printf '"""'
 584     # backslash escape any '\' and '"' characters
 585     printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
 586     printf '""",'
 587   done)
 588   printf ']\n'
 589 }
 590
 591 . "$source_path/scripts/meson-buildoptions.sh"
 592
 593 meson_options=
 594 meson_option_add() {
 595   meson_options="$meson_options $(quote_sh "$1")"
 596 }
 597 meson_option_parse() {
 598   meson_options="$meson_options $(_meson_option_parse "$@")"
 599   if test $? -eq 1; then
 600     echo "ERROR: unknown option $1"
 601     echo "Try '$0 --help' for more information"
 602     exit 1
 603   fi
 604 }
 605
 606 for opt do
 607   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 608   case "$opt" in
 609   --help|-h) show_help=yes
 610   ;;
 611   --version|-V) exec cat "$source_path/VERSION"
 612   ;;
 613   --prefix=*) prefix="$optarg"
 614   ;;
 615   --cross-prefix=*)
 616   ;;
 617   --cc=*)
 618   ;;
 619   --host-cc=*) host_cc="$optarg"
 620   ;;
 621   --cxx=*)
 622   ;;
 623   --objcc=*)
 624   ;;
 625   --make=*)
 626   ;;
 627   --install=*)
 628   ;;
 629   --python=*) python="$optarg"
 630   ;;
 631   --skip-meson) skip_meson=yes
 632   ;;
 633   --ninja=*) ninja="$optarg"
 634   ;;
 635   --smbd=*) smbd="$optarg"
 636   ;;
 637   --extra-cflags=*)
 638   ;;
 639   --extra-cxxflags=*)
 640   ;;
 641   --extra-objcflags=*)
 642   ;;
 643   --extra-ldflags=*)
 644   ;;
 645   --cross-cc-*)
 646   ;;
 647   --cross-prefix-*)
 648   ;;
 649   --enable-docs) docs=enabled
 650   ;;
 651   --disable-docs) docs=disabled
 652   ;;
 653   --cpu=*)
 654   ;;
 655   --target-list=*) target_list="$optarg"
 656                    if test "$target_list_exclude"; then
 657                        error_exit "Can't mix --target-list with --target-list-exclude"
 658                    fi
 659   ;;
 660   --target-list-exclude=*) target_list_exclude="$optarg"
 661                    if test "$target_list"; then
 662                        error_exit "Can't mix --target-list-exclude with --target-list"
 663                    fi
 664   ;;
 665   --with-default-devices) meson_option_add -Ddefault_devices=true
 666   ;;
 667   --without-default-devices) meson_option_add -Ddefault_devices=false
 668   ;;
 669   --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
 670   ;;
 671   --with-devices-*) device_arch=${opt#--with-devices-};
 672                     device_arch=${device_arch%%=*}
 673                     cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
 674                     if test -f "$cf"; then
 675                         device_archs="$device_archs $device_arch"
 676                         eval "devices_${device_arch}=\$optarg"
 677                     else
 678                         error_exit "File $cf does not exist"
 679                     fi
 680   ;;
 681   --without-default-features) # processed above
 682   ;;
 683   --static) static="yes"
 684   ;;
 685   --bindir=*) bindir="$optarg"
 686   ;;
 687   --with-suffix=*) qemu_suffix="$optarg"
 688   ;;
 689   --host=*|--build=*|\
 690   --disable-dependency-tracking|\
 691   --sbindir=*|--sharedstatedir=*|\
 692   --oldincludedir=*|--datarootdir=*|--infodir=*|\
 693   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 694     # These switches are silently ignored, for compatibility with
 695     # autoconf-generated configure scripts. This allows QEMU's
 696     # configure to be used by RPM and similar macros that set
 697     # lots of directory switches by default.
 698   ;;
 699   --enable-debug-tcg) debug_tcg="yes"
 700   ;;
 701   --disable-debug-tcg) debug_tcg="no"
 702   ;;
 703   --enable-debug)
 704       # Enable debugging options that aren't excessively noisy
 705       debug_tcg="yes"
 706       meson_option_parse --enable-debug-graph-lock ""
 707       meson_option_parse --enable-debug-mutex ""
 708       meson_option_add -Doptimization=0
 709   ;;
 710   --disable-tcg) tcg="disabled"
 711                  plugins="no"
 712   ;;
 713   --enable-tcg) tcg="enabled"
 714   ;;
 715   --disable-system) softmmu="no"
 716   ;;
 717   --enable-system) softmmu="yes"
 718   ;;
 719   --disable-user)
 720       linux_user="no" ;
 721       bsd_user="no" ;
 722   ;;
 723   --enable-user) ;;
 724   --disable-linux-user) linux_user="no"
 725   ;;
 726   --enable-linux-user) linux_user="yes"
 727   ;;
 728   --disable-bsd-user) bsd_user="no"
 729   ;;
 730   --enable-bsd-user) bsd_user="yes"
 731   ;;
 732   --enable-pie) pie="yes"
 733   ;;
 734   --disable-pie) pie="no"
 735   ;;
 736   --enable-werror) werror="yes"
 737   ;;
 738   --disable-werror) werror="no"
 739   ;;
 740   --enable-cfi)
 741       cfi="true";
 742       meson_option_add -Db_lto=true
 743   ;;
 744   --disable-cfi) cfi="false"
 745   ;;
 746   --disable-download) download="disabled"; git_submodules_action=validate;
 747   ;;
 748   --enable-download) download="enabled"; git_submodules_action=update;
 749   ;;
 750   --enable-plugins) if test "$mingw32" = "yes"; then
 751                         error_exit "TCG plugins not currently supported on Windows platforms"
 752                     else
 753                         plugins="yes"
 754                     fi
 755   ;;
 756   --disable-plugins) plugins="no"
 757   ;;
 758   --enable-containers) use_containers="yes"
 759   ;;
 760   --disable-containers) use_containers="no"
 761   ;;
 762   --gdb=*) gdb_bin="$optarg"
 763   ;;
 764   # everything else has the same name in configure and meson
 765   --*) meson_option_parse "$opt" "$optarg"
 766   ;;
 767   # Pass through -Dxxxx options to meson
 768   -D*) meson_options="$meson_options $opt"
 769   ;;
 770   esac
 771 done
 772
 773 if ! test -e "$source_path/.git"
 774 then
 775     git_submodules_action="validate"
 776 fi
 777
 778 # test for any invalid configuration combinations
 779 if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
 780     error_exit "Can't enable plugins on non-TCG builds"
 781 fi
 782
 783 if ! test -f "$source_path/subprojects/keycodemapdb/README" \
 784     && test "$download" = disabled
 785 then
 786     echo
 787     echo "ERROR: missing subprojects"
 788     echo
 789     if test -e "$source_path/.git"; then
 790         echo "--disable-download specified but subprojects were not"
 791         echo 'checked out.  Please invoke "meson subprojects download"'
 792         echo "before configuring QEMU, or remove --disable-download"
 793         echo "from the command line."
 794     else
 795         echo "This is not a GIT checkout but subproject content appears to"
 796         echo "be missing. Do not use 'git archive' or GitHub download links"
 797         echo "to acquire QEMU source archives. Non-GIT builds are only"
 798         echo "supported with source archives linked from:"
 799         echo
 800         echo "  https://www.qemu.org/download/#source"
 801         echo
 802         echo "Developers working with GIT can use scripts/archive-source.sh"
 803         echo "if they need to create valid source archives."
 804     fi
 805     echo
 806     exit 1
 807 fi
 808
 809 default_target_list=""
 810 mak_wilds=""
 811
 812 if [ "$linux_user" != no ]; then
 813     if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$host_arch" ]; then
 814         linux_user=yes
 815     elif [ "$linux_user" = yes ]; then
 816         error_exit "linux-user not supported on this architecture"
 817     fi
 818 fi
 819 if [ "$bsd_user" != no ]; then
 820     if [ "$bsd_user" = "" ]; then
 821         test $targetos = freebsd && bsd_user=yes
 822     fi
 823     if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
 824         error_exit "bsd-user not supported on this host OS"
 825     fi
 826 fi
 827 if [ "$softmmu" = "yes" ]; then
 828     mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
 829 fi
 830 if [ "$linux_user" = "yes" ]; then
 831     mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
 832 fi
 833 if [ "$bsd_user" = "yes" ]; then
 834     mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
 835 fi
 836
 837 for config in $mak_wilds; do
 838     target="$(basename "$config" .mak)"
 839     if echo "$target_list_exclude" | grep -vq "$target"; then
 840         default_target_list="${default_target_list} $target"
 841     fi
 842 done
 843
 844 if test x"$show_help" = x"yes" ; then
 845 cat << EOF
 846
 847 Usage: configure [options]
 848 Options: [defaults in brackets after descriptions]
 849
 850 Standard options:
 851   --help                   print this message
 852   --prefix=PREFIX          install in PREFIX [$prefix]
 853   --target-list=LIST       set target list (default: build all)
 854 $(echo Available targets: $default_target_list | \
 855   fold -s -w 53 | sed -e 's/^/                           /')
 856   --target-list-exclude=LIST exclude a set of targets from the default target-list
 857
 858 Advanced options (experts only):
 859   -Dmesonoptname=val       passthrough option to meson unmodified
 860   --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
 861   --cc=CC                  use C compiler CC [$cc]
 862   --host-cc=CC             use C compiler CC [$host_cc] for code run at
 863                            build time
 864   --cxx=CXX                use C++ compiler CXX [$cxx]
 865   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
 866   --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
 867   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
 868   --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
 869   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
 870   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
 871   --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
 872   --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
 873   --python=PYTHON          use specified python [$python]
 874   --ninja=NINJA            use specified ninja [$ninja]
 875   --smbd=SMBD              use specified smbd [$smbd]
 876   --static                 enable static build [$static]
 877   --bindir=PATH            install binaries in PATH
 878   --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
 879   --without-default-features default all --enable-* options to "disabled"
 880   --without-default-devices  do not include any device that is not needed to
 881                            start the emulator (only use if you are including
 882                            desired devices in configs/devices/)
 883   --with-devices-ARCH=NAME override default configs/devices
 884   --enable-debug           enable common debug build options
 885   --disable-werror         disable compilation abort on warning
 886   --cpu=CPU                Build for host CPU [$cpu]
 887   --enable-plugins
 888                            enable plugins via shared library loading
 889   --disable-containers     don't use containers for cross-building
 890   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
 891 EOF
 892   meson_options_help
 893 cat << EOF
 894   system          all system emulation targets
 895   user            supported user emulation targets
 896   linux-user      all linux usermode emulation targets
 897   bsd-user        all BSD usermode emulation targets
 898   pie             Position Independent Executables
 899   debug-tcg       TCG debugging (default is disabled)
 900
 901 NOTE: The object files are built at the place where configure is launched
 902 EOF
 903 exit 0
 904 fi
 905
 906 # Remove old dependency files to make sure that they get properly regenerated
 907 rm -f ./*/config-devices.mak.d
 908
 909 if test -z "$python"
 910 then
 911     # If first_python is set, there was a binary somewhere even though
 912     # it was not suitable.  Use it for the error message.
 913     if test -n "$first_python"; then
 914         error_exit "Cannot use '$first_python', Python >= 3.7 is required." \
 915             "Use --python=/path/to/python to specify a supported Python."
 916     else
 917         error_exit "Python not found. Use --python=/path/to/python"
 918     fi
 919 fi
 920
 921 if ! check_py_version "$python"; then
 922   error_exit "Cannot use '$python', Python >= 3.7 is required." \
 923              "Use --python=/path/to/python to specify a supported Python." \
 924              "Maybe try:" \
 925              "  openSUSE Leap 15.3+: zypper install python39" \
 926              "  CentOS 8: dnf install python38"
 927 fi
 928
 929 # Resolve PATH
 930 python="$(command -v "$python")"
 931
 932 # Create a Python virtual environment using our configured python.
 933 # The stdout of this script will be the location of a symlink that
 934 # points to the configured Python.
 935 # Entry point scripts for pip, meson, and sphinx are generated if those
 936 # packages are present.
 937
 938 # Defaults assumed for now:
 939 # - venv is cleared if it exists already;
 940 # - venv is allowed to use system packages;
 941 # - all setup can be performed offline;
 942 # - missing packages may be fetched from PyPI,
 943 #   unless --disable-download is passed.
 944 # - pip is not installed into the venv when possible,
 945 #   but ensurepip is called as a fallback when necessary.
 946
 947 echo "python determined to be '$python'"
 948 echo "python version: $($python --version)"
 949
 950 python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
 951 if test "$?" -ne 0 ; then
 952     error_exit "python venv creation failed"
 953 fi
 954
 955 # Suppress writing compiled files
 956 python="$python -B"
 957 mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
 958
 959 mkvenv_flags=""
 960 if test "$download" = "enabled" ; then
 961     mkvenv_flags="--online"
 962 fi
 963
 964 if ! $mkvenv ensure \
 965      $mkvenv_flags \
 966      --dir "${source_path}/python/wheels" \
 967      --diagnose "meson" \
 968      "meson>=0.63.0" ;
 969 then
 970     exit 1
 971 fi
 972
 973 # At this point, we expect Meson to be installed and available.
 974 # We expect mkvenv or pip to have created pyvenv/bin/meson for us.
 975 # We ignore PATH completely here: we want to use the venv's Meson
 976 # *exclusively*.
 977
 978 meson="$(cd pyvenv/bin; pwd)/meson"
 979
 980 # Conditionally ensure Sphinx is installed.
 981
 982 mkvenv_flags=""
 983 if test "$download" = "enabled" -a "$docs" = "enabled" ; then
 984     mkvenv_flags="--online"
 985 fi
 986
 987 if test "$docs" != "disabled" ; then
 988     if ! $mkvenv ensure \
 989          $mkvenv_flags \
 990          --diagnose "sphinx-build" \
 991          "sphinx>=1.6.0" "sphinx-rtd-theme>=0.5.0";
 992     then
 993         if test "$docs" = "enabled" ; then
 994             exit 1
 995         fi
 996         echo "Sphinx not found/usable, disabling docs."
 997         docs=disabled
 998     else
 999         docs=enabled
1000     fi
1001 fi
1002
1003 # Probe for ninja
1004
1005 if test -z "$ninja"; then
1006     for c in ninja ninja-build samu; do
1007         if has $c; then
1008             ninja=$(command -v "$c")
1009             break
1010         fi
1011     done
1012     if test -z "$ninja"; then
1013       error_exit "Cannot find Ninja"
1014     fi
1015 fi
1016
1017 # Consult white-list to determine whether to enable werror
1018 # by default.  Only enable by default for git builds
1019 if test -z "$werror" ; then
1020     if test -e "$source_path/.git" && \
1021         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1022         werror="yes"
1023     else
1024         werror="no"
1025     fi
1026 fi
1027
1028 if test "$targetos" = "bogus"; then
1029     # Now that we know that we're not printing the help and that
1030     # the compiler works (so the results of the check_defines we used
1031     # to identify the OS are reliable), if we didn't recognize the
1032     # host OS we should stop now.
1033     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1034 fi
1035
1036 if test "$static" = "yes" ; then
1037   if test "$plugins" = "yes"; then
1038     error_exit "static and plugins are mutually incompatible"
1039   else
1040     plugins="no"
1041   fi
1042 fi
1043 test "$plugins" = "" && plugins=yes
1044
1045 cat > $TMPC << EOF
1046
1047 #ifdef __linux__
1048 #  define THREAD __thread
1049 #else
1050 #  define THREAD
1051 #endif
1052 static THREAD int tls_var;
1053 int main(void) { return tls_var; }
1054 EOF
1055
1056 if test "$static" = "yes"; then
1057   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1058     pie="yes"
1059   elif test "$pie" = "yes"; then
1060     error_exit "-static-pie not available due to missing toolchain support"
1061   else
1062     pie="no"
1063   fi
1064 elif test "$pie" != "no"; then
1065   if compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1066     pie="yes"
1067   elif test "$pie" = "yes"; then
1068     error_exit "PIE not available due to missing toolchain support"
1069   else
1070     echo "Disabling PIE due to missing toolchain support"
1071     pie="no"
1072   fi
1073 fi
1074
1075 ##########################################
1076
1077 if test -z "${target_list+xxx}" ; then
1078     default_targets=yes
1079     for target in $default_target_list; do
1080         target_list="$target_list $target"
1081     done
1082     target_list="${target_list# }"
1083 else
1084     default_targets=no
1085     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1086     for target in $target_list; do
1087         # Check that we recognised the target name; this allows a more
1088         # friendly error message than if we let it fall through.
1089         case " $default_target_list " in
1090             *" $target "*)
1091                 ;;
1092             *)
1093                 error_exit "Unknown target name '$target'"
1094                 ;;
1095         esac
1096     done
1097 fi
1098
1099 # see if system emulation was really requested
1100 case " $target_list " in
1101   *"-softmmu "*) softmmu=yes
1102   ;;
1103   *) softmmu=no
1104   ;;
1105 esac
1106
1107 if test "$tcg" = "auto"; then
1108   if test -z "$target_list"; then
1109     tcg="disabled"
1110   else
1111     tcg="enabled"
1112   fi
1113 fi
1114
1115 ##########################################
1116 # big/little endian test
1117 cat > $TMPC << EOF
1118 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1119 # error LITTLE
1120 #endif
1121 int main(void) { return 0; }
1122 EOF
1123
1124 if ! compile_prog ; then
1125   bigendian="no"
1126 else
1127   cat > $TMPC << EOF
1128 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1129 # error BIG
1130 #endif
1131 int main(void) { return 0; }
1132 EOF
1133
1134   if ! compile_prog ; then
1135     bigendian="yes"
1136   else
1137     echo big/little test failed
1138     exit 1
1139   fi
1140 fi
1141
1142 ########################################
1143 # check if ccache is interfering with
1144 # semantic analysis of macros
1145
1146 unset CCACHE_CPP2
1147 ccache_cpp2=no
1148 cat > $TMPC << EOF
1149 static const int Z = 1;
1150 #define fn() ({ Z; })
1151 #define TAUT(X) ((X) == Z)
1152 #define PAREN(X, Y) (X == Y)
1153 #define ID(X) (X)
1154 int main(void)
1155 {
1156     int x = 0, y = 0;
1157     x = ID(x);
1158     x = fn();
1159     fn();
1160     if (PAREN(x, y)) return 0;
1161     if (TAUT(Z)) return 0;
1162     return 0;
1163 }
1164 EOF
1165
1166 if ! compile_object "-Werror"; then
1167     ccache_cpp2=yes
1168 fi
1169
1170 ##########################################
1171 # functions to probe cross compilers
1172
1173 container="no"
1174 runc=""
1175 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1176     case $($python "$source_path"/tests/docker/docker.py probe) in
1177         *docker) container=docker ;;
1178         podman) container=podman ;;
1179         no) container=no ;;
1180     esac
1181     if test "$container" != "no"; then
1182         docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1183         runc=$($python "$source_path"/tests/docker/docker.py probe)
1184     fi
1185 fi
1186
1187 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1188 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1189 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1190 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1191 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1192 : ${cross_prefix_armeb="$cross_prefix_arm"}
1193 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1194 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1195 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1196 : ${cross_prefix_i386="i686-linux-gnu-"}
1197 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1198 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1199 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1200 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1201 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1202 : ${cross_prefix_mips="mips-linux-gnu-"}
1203 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1204 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1205 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1206 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1207 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1208 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1209 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1210 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1211 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1212 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1213
1214 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1215 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1216 : ${cross_cc_armeb="$cross_cc_arm"}
1217 : ${cross_cc_cflags_armeb="-mbig-endian"}
1218 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1219 : ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1220 : ${cross_cc_cflags_i386="-m32"}
1221 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1222 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1223 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1224 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1225 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1226 : ${cross_cc_sparc="$cross_cc_sparc64"}
1227 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1228 : ${cross_cc_cflags_x86_64="-m64"}
1229
1230 compute_target_variable() {
1231   eval "$2="
1232   if eval test -n "\"\${cross_prefix_$1}\""; then
1233     if eval has "\"\${cross_prefix_$1}\$3\""; then
1234       eval "$2=\"\${cross_prefix_$1}\$3\""
1235     fi
1236   fi
1237 }
1238
1239 have_target() {
1240   for i; do
1241     case " $target_list " in
1242       *" $i "*) return 0;;
1243       *) ;;
1244     esac
1245   done
1246   return 1
1247 }
1248
1249 # probe_target_compiler TARGET
1250 #
1251 # Look for a compiler for the given target, either native or cross.
1252 # Set variables target_* if a compiler is found, and container_cross_*
1253 # if a Docker-based cross-compiler image is known for the target.
1254 # Set got_cross_cc to yes/no depending on whether a non-container-based
1255 # compiler was found.
1256 #
1257 # If TARGET is a user-mode emulation target, also set build_static to
1258 # "y" if static linking is possible.
1259 #
1260 probe_target_compiler() {
1261   # reset all output variables
1262   got_cross_cc=no
1263   container_image=
1264   container_hosts=
1265   container_cross_cc=
1266   container_cross_ar=
1267   container_cross_as=
1268   container_cross_ld=
1269   container_cross_nm=
1270   container_cross_objcopy=
1271   container_cross_ranlib=
1272   container_cross_strip=
1273
1274   target_arch=${1%%-*}
1275   case $target_arch in
1276     aarch64) container_hosts="x86_64 aarch64" ;;
1277     alpha) container_hosts=x86_64 ;;
1278     arm) container_hosts="x86_64 aarch64" ;;
1279     cris) container_hosts=x86_64 ;;
1280     hexagon) container_hosts=x86_64 ;;
1281     hppa) container_hosts=x86_64 ;;
1282     i386) container_hosts=x86_64 ;;
1283     loongarch64) container_hosts=x86_64 ;;
1284     m68k) container_hosts=x86_64 ;;
1285     microblaze) container_hosts=x86_64 ;;
1286     mips64el) container_hosts=x86_64 ;;
1287     mips64) container_hosts=x86_64 ;;
1288     mipsel) container_hosts=x86_64 ;;
1289     mips) container_hosts=x86_64 ;;
1290     nios2) container_hosts=x86_64 ;;
1291     ppc) container_hosts=x86_64 ;;
1292     ppc64|ppc64le) container_hosts=x86_64 ;;
1293     riscv64) container_hosts=x86_64 ;;
1294     s390x) container_hosts=x86_64 ;;
1295     sh4) container_hosts=x86_64 ;;
1296     sparc64) container_hosts=x86_64 ;;
1297     tricore) container_hosts=x86_64 ;;
1298     x86_64) container_hosts="aarch64 ppc64el x86_64" ;;
1299     xtensa*) container_hosts=x86_64 ;;
1300   esac
1301
1302   for host in $container_hosts; do
1303     test "$container" != no || continue
1304     test "$host" = "$cpu" || continue
1305     case $target_arch in
1306       aarch64)
1307         # We don't have any bigendian build tools so we only use this for AArch64
1308         container_image=debian-arm64-cross
1309         container_cross_prefix=aarch64-linux-gnu-
1310         container_cross_cc=${container_cross_prefix}gcc-10
1311         ;;
1312       alpha)
1313         container_image=debian-alpha-cross
1314         container_cross_prefix=alpha-linux-gnu-
1315         ;;
1316       arm)
1317         # We don't have any bigendian build tools so we only use this for ARM
1318         container_image=debian-armhf-cross
1319         container_cross_prefix=arm-linux-gnueabihf-
1320         ;;
1321       cris)
1322         container_image=fedora-cris-cross
1323         container_cross_prefix=cris-linux-gnu-
1324         ;;
1325       hexagon)
1326         container_image=debian-hexagon-cross
1327         container_cross_prefix=hexagon-unknown-linux-musl-
1328         container_cross_cc=${container_cross_prefix}clang
1329         ;;
1330       hppa)
1331         container_image=debian-hppa-cross
1332         container_cross_prefix=hppa-linux-gnu-
1333         ;;
1334       i386)
1335         container_image=fedora-i386-cross
1336         container_cross_prefix=
1337         ;;
1338       loongarch64)
1339         container_image=debian-loongarch-cross
1340         container_cross_prefix=loongarch64-unknown-linux-gnu-
1341         ;;
1342       m68k)
1343         container_image=debian-m68k-cross
1344         container_cross_prefix=m68k-linux-gnu-
1345         ;;
1346       microblaze)
1347         container_image=debian-microblaze-cross
1348         container_cross_prefix=microblaze-linux-musl-
1349         ;;
1350       mips64el)
1351         container_image=debian-mips64el-cross
1352         container_cross_prefix=mips64el-linux-gnuabi64-
1353         ;;
1354       mips64)
1355         container_image=debian-mips64-cross
1356         container_cross_prefix=mips64-linux-gnuabi64-
1357         ;;
1358       mipsel)
1359         container_image=debian-mipsel-cross
1360         container_cross_prefix=mipsel-linux-gnu-
1361         ;;
1362       mips)
1363         container_image=debian-mips-cross
1364         container_cross_prefix=mips-linux-gnu-
1365         ;;
1366       nios2)
1367         container_image=debian-nios2-cross
1368         container_cross_prefix=nios2-linux-gnu-
1369         ;;
1370       ppc)
1371         container_image=debian-powerpc-test-cross
1372         container_cross_prefix=powerpc-linux-gnu-
1373         container_cross_cc=${container_cross_prefix}gcc-10
1374         ;;
1375       ppc64|ppc64le)
1376         container_image=debian-powerpc-test-cross
1377         container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1378         container_cross_cc=${container_cross_prefix}gcc-10
1379         ;;
1380       riscv64)
1381         container_image=debian-riscv64-test-cross
1382         container_cross_prefix=riscv64-linux-gnu-
1383         ;;
1384       s390x)
1385         container_image=debian-s390x-cross
1386         container_cross_prefix=s390x-linux-gnu-
1387         ;;
1388       sh4)
1389         container_image=debian-sh4-cross
1390         container_cross_prefix=sh4-linux-gnu-
1391         ;;
1392       sparc64)
1393         container_image=debian-sparc64-cross
1394         container_cross_prefix=sparc64-linux-gnu-
1395         ;;
1396       tricore)
1397         container_image=debian-tricore-cross
1398         container_cross_prefix=tricore-
1399         container_cross_as=tricore-as
1400         container_cross_ld=tricore-ld
1401         container_cross_cc=tricore-gcc
1402         break
1403         ;;
1404       x86_64)
1405         container_image=debian-amd64-cross
1406         container_cross_prefix=x86_64-linux-gnu-
1407         ;;
1408       xtensa*)
1409         container_hosts=x86_64
1410         container_image=debian-xtensa-cross
1411
1412         # default to the dc232b cpu
1413         container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1414         ;;
1415     esac
1416     : ${container_cross_cc:=${container_cross_prefix}gcc}
1417     : ${container_cross_ar:=${container_cross_prefix}ar}
1418     : ${container_cross_as:=${container_cross_prefix}as}
1419     : ${container_cross_ld:=${container_cross_prefix}ld}
1420     : ${container_cross_nm:=${container_cross_prefix}nm}
1421     : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1422     : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1423     : ${container_cross_strip:=${container_cross_prefix}strip}
1424   done
1425
1426   try=cross
1427   case "$target_arch:$cpu" in
1428     aarch64_be:aarch64 | \
1429     armeb:arm | \
1430     i386:x86_64 | \
1431     mips*:mips64 | \
1432     ppc*:ppc64 | \
1433     sparc:sparc64 | \
1434     "$cpu:$cpu")
1435       try='native cross' ;;
1436   esac
1437   eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1438   for thistry in $try; do
1439     case $thistry in
1440     native)
1441       target_cc=$cc
1442       target_ccas=$ccas
1443       target_ar=$ar
1444       target_as=$as
1445       target_ld=$ld
1446       target_nm=$nm
1447       target_objcopy=$objcopy
1448       target_ranlib=$ranlib
1449       target_strip=$strip
1450       ;;
1451     cross)
1452       target_cc=
1453       if eval test -n "\"\${cross_cc_$target_arch}\""; then
1454         if eval has "\"\${cross_cc_$target_arch}\""; then
1455           eval "target_cc=\"\${cross_cc_$target_arch}\""
1456         fi
1457       else
1458         compute_target_variable $target_arch target_cc gcc
1459       fi
1460       target_ccas=$target_cc
1461       compute_target_variable $target_arch target_ar ar
1462       compute_target_variable $target_arch target_as as
1463       compute_target_variable $target_arch target_ld ld
1464       compute_target_variable $target_arch target_nm nm
1465       compute_target_variable $target_arch target_objcopy objcopy
1466       compute_target_variable $target_arch target_ranlib ranlib
1467       compute_target_variable $target_arch target_strip strip
1468       ;;
1469     esac
1470
1471     if test -n "$target_cc"; then
1472       case $target_arch in
1473         i386|x86_64)
1474           if $target_cc --version | grep -qi "clang"; then
1475             continue
1476           fi
1477           ;;
1478       esac
1479     elif test -n "$target_as" && test -n "$target_ld"; then
1480       # Special handling for assembler only targets
1481       case $target in
1482         tricore-softmmu)
1483           build_static=
1484           got_cross_cc=yes
1485           break
1486           ;;
1487         *)
1488           continue
1489           ;;
1490       esac
1491     else
1492       continue
1493     fi
1494
1495     write_c_skeleton
1496     case $1 in
1497       *-softmmu)
1498         if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1499           do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1500           got_cross_cc=yes
1501           break
1502         fi
1503         ;;
1504       *)
1505         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1506           build_static=y
1507           got_cross_cc=yes
1508           break
1509         fi
1510         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1511           build_static=
1512           got_cross_cc=yes
1513           break
1514         fi
1515         ;;
1516     esac
1517   done
1518   if test $got_cross_cc != yes; then
1519     build_static=
1520     target_cc=
1521     target_ccas=
1522     target_ar=
1523     target_as=
1524     target_ld=
1525     target_nm=
1526     target_objcopy=
1527     target_ranlib=
1528     target_strip=
1529   fi
1530   test -n "$target_cc"
1531 }
1532
1533 write_target_makefile() {
1534   echo "EXTRA_CFLAGS=$target_cflags"
1535   if test -z "$target_cc" && test -z "$target_as"; then
1536     test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1537     echo "$1: docker-image-$container_image" >> Makefile.prereqs
1538     if test -n "$container_cross_cc"; then
1539       echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1540       echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1541     fi
1542     echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1543     echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1544     echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1545     echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1546     echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1547     echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1548     echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1549   else
1550     if test -n "$target_cc"; then
1551       echo "CC=$target_cc"
1552       echo "CCAS=$target_ccas"
1553     fi
1554     if test -n "$target_ar"; then
1555       echo "AR=$target_ar"
1556     fi
1557     if test -n "$target_as"; then
1558       echo "AS=$target_as"
1559     fi
1560     if test -n "$target_ld"; then
1561       echo "LD=$target_ld"
1562     fi
1563     if test -n "$target_nm"; then
1564       echo "NM=$target_nm"
1565     fi
1566     if test -n "$target_objcopy"; then
1567       echo "OBJCOPY=$target_objcopy"
1568     fi
1569     if test -n "$target_ranlib"; then
1570       echo "RANLIB=$target_ranlib"
1571     fi
1572     if test -n "$target_strip"; then
1573       echo "STRIP=$target_strip"
1574     fi
1575   fi
1576 }
1577
1578 #######################################
1579 # cross-compiled firmware targets
1580
1581 # Set up build tree symlinks that point back into the source tree
1582 # (these can be both files and directories).
1583 # Caution: avoid adding files or directories here using wildcards. This
1584 # will result in problems later if a new file matching the wildcard is
1585 # added to the source tree -- nothing will cause configure to be rerun
1586 # so the build tree will be missing the link back to the new file, and
1587 # tests might fail. Prefer to keep the relevant files in their own
1588 # directory and symlink the directory instead.
1589 LINKS="Makefile"
1590 LINKS="$LINKS docs/config"
1591 LINKS="$LINKS pc-bios/optionrom/Makefile"
1592 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1593 LINKS="$LINKS pc-bios/vof/Makefile"
1594 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1595 LINKS="$LINKS tests/avocado tests/data"
1596 LINKS="$LINKS tests/qemu-iotests/check"
1597 LINKS="$LINKS python"
1598 LINKS="$LINKS contrib/plugins/Makefile "
1599 for f in $LINKS ; do
1600     if [ -e "$source_path/$f" ]; then
1601         symlink "$source_path/$f" "$f"
1602     fi
1603 done
1604
1605 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1606
1607 # Mac OS X ships with a broken assembler
1608 roms=
1609 if have_target i386-softmmu x86_64-softmmu && \
1610         test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
1611         test "$targetos" != "haiku" && \
1612         probe_target_compiler i386-softmmu; then
1613     roms="pc-bios/optionrom"
1614     config_mak=pc-bios/optionrom/config.mak
1615     echo "# Automatically generated by configure - do not modify" > $config_mak
1616     echo "TOPSRC_DIR=$source_path" >> $config_mak
1617     write_target_makefile >> $config_mak
1618 fi
1619
1620 if have_target ppc-softmmu ppc64-softmmu && \
1621         probe_target_compiler ppc-softmmu; then
1622     roms="$roms pc-bios/vof"
1623     config_mak=pc-bios/vof/config.mak
1624     echo "# Automatically generated by configure - do not modify" > $config_mak
1625     echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1626     write_target_makefile >> $config_mak
1627 fi
1628
1629 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1630 # (which is the lowest architecture level that Clang supports)
1631 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu && \
1632     GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" roms/SLOF >> config.log 2>&1; then
1633   write_c_skeleton
1634   do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1635   has_z900=$?
1636   if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1637     if [ $has_z900 != 0 ]; then
1638       echo "WARNING: Your compiler does not support the z900!"
1639       echo "         The s390-ccw bios will only work with guest CPUs >= z10."
1640     fi
1641     roms="$roms pc-bios/s390-ccw"
1642     config_mak=pc-bios/s390-ccw/config-host.mak
1643     echo "# Automatically generated by configure - do not modify" > $config_mak
1644     echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1645     echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_mak
1646     write_target_makefile >> $config_mak
1647   fi
1648 fi
1649
1650 #######################################
1651 # generate config-host.mak
1652
1653 config_host_mak="config-host.mak"
1654
1655 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1656 echo >> $config_host_mak
1657
1658 echo all: >> $config_host_mak
1659
1660 if test "$debug_tcg" = "yes" ; then
1661   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
1662 fi
1663 if test "$mingw32" = "yes" ; then
1664   echo "CONFIG_WIN32=y" >> $config_host_mak
1665   echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak
1666   echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak
1667   echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak
1668 else
1669   echo "CONFIG_POSIX=y" >> $config_host_mak
1670 fi
1671
1672 if test "$linux" = "yes" ; then
1673   echo "CONFIG_LINUX=y" >> $config_host_mak
1674 fi
1675
1676 if test "$darwin" = "yes" ; then
1677   echo "CONFIG_DARWIN=y" >> $config_host_mak
1678 fi
1679
1680 if test "$solaris" = "yes" ; then
1681   echo "CONFIG_SOLARIS=y" >> $config_host_mak
1682 fi
1683 echo "SRC_PATH=$source_path" >> $config_host_mak
1684 echo "TARGET_DIRS=$target_list" >> $config_host_mak
1685
1686 # XXX: suppress that
1687 if [ "$bsd" = "yes" ] ; then
1688   echo "CONFIG_BSD=y" >> $config_host_mak
1689 fi
1690
1691 if test "$plugins" = "yes" ; then
1692     echo "CONFIG_PLUGIN=y" >> $config_host_mak
1693 fi
1694
1695 if test -n "$gdb_bin"; then
1696     gdb_version=$($gdb_bin --version | head -n 1)
1697     if version_ge ${gdb_version##* } 9.1; then
1698         echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1699         gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1700     else
1701         gdb_bin=""
1702     fi
1703 fi
1704
1705 if test "$container" != no; then
1706     echo "ENGINE=$container" >> $config_host_mak
1707     echo "RUNC=$runc" >> $config_host_mak
1708 fi
1709 echo "ROMS=$roms" >> $config_host_mak
1710 echo "PYTHON=$python" >> $config_host_mak
1711 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1712 echo "MESON=$meson" >> $config_host_mak
1713 echo "NINJA=$ninja" >> $config_host_mak
1714 echo "PKG_CONFIG=${pkg_config}" >> $config_host_mak
1715 echo "CC=$cc" >> $config_host_mak
1716 echo "EXESUF=$EXESUF" >> $config_host_mak
1717
1718 # use included Linux headers
1719 if test "$linux" = "yes" ; then
1720   mkdir -p linux-headers
1721   case "$cpu" in
1722   i386|x86_64)
1723     linux_arch=x86
1724     ;;
1725   ppc|ppc64)
1726     linux_arch=powerpc
1727     ;;
1728   s390x)
1729     linux_arch=s390
1730     ;;
1731   aarch64)
1732     linux_arch=arm64
1733     ;;
1734   loongarch*)
1735     linux_arch=loongarch
1736     ;;
1737   mips64)
1738     linux_arch=mips
1739     ;;
1740   riscv32|riscv64)
1741     linux_arch=riscv
1742     ;;
1743   *)
1744     # For most CPUs the kernel architecture name and QEMU CPU name match.
1745     linux_arch="$cpu"
1746     ;;
1747   esac
1748     # For non-KVM architectures we will not have asm headers
1749     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
1750       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1751     fi
1752 fi
1753
1754 for target in $target_list; do
1755     target_dir="$target"
1756     target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
1757     mkdir -p "$target_dir"
1758     case $target in
1759         *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
1760         *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
1761     esac
1762 done
1763
1764 if test "$default_targets" = "yes"; then
1765   echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1766 fi
1767
1768 if test "$ccache_cpp2" = "yes"; then
1769   echo "export CCACHE_CPP2=y" >> $config_host_mak
1770 fi
1771
1772 # tests/tcg configuration
1773 (config_host_mak=tests/tcg/config-host.mak
1774 mkdir -p tests/tcg
1775 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1776 echo "SRC_PATH=$source_path" >> $config_host_mak
1777 echo "HOST_CC=$host_cc" >> $config_host_mak
1778
1779 # versioned checked in the main config_host.mak above
1780 if test -n "$gdb_bin"; then
1781     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1782 fi
1783 if test "$plugins" = "yes" ; then
1784     echo "CONFIG_PLUGIN=y" >> $config_host_mak
1785 fi
1786
1787 tcg_tests_targets=
1788 for target in $target_list; do
1789   arch=${target%%-*}
1790
1791   case $target in
1792     xtensa*-linux-user)
1793       # the toolchain is not complete with headers, only build softmmu tests
1794       continue
1795       ;;
1796     *-softmmu)
1797       test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1798       qemu="qemu-system-$arch"
1799       ;;
1800     *-linux-user|*-bsd-user)
1801       qemu="qemu-$arch"
1802       ;;
1803   esac
1804
1805   if probe_target_compiler $target || test -n "$container_image"; then
1806       test -n "$container_image" && build_static=y
1807       mkdir -p "tests/tcg/$target"
1808       config_target_mak=tests/tcg/$target/config-target.mak
1809       ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1810       echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1811       echo "TARGET_NAME=$arch" >> "$config_target_mak"
1812       echo "TARGET=$target" >> "$config_target_mak"
1813       write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1814       echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1815       echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1816
1817       # will GDB work with these binaries?
1818       if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1819           echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak"
1820       fi
1821
1822       echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1823       tcg_tests_targets="$tcg_tests_targets $target"
1824   fi
1825 done
1826
1827 if test "$tcg" = "enabled"; then
1828     echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
1829 fi
1830 )
1831
1832 if test "$skip_meson" = no; then
1833   cross="config-meson.cross.new"
1834   meson_quote() {
1835     test $# = 0 && return
1836     echo "'$(echo $* | sed "s/ /','/g")'"
1837   }
1838
1839   echo "# Automatically generated by configure - do not modify" > $cross
1840   echo "[properties]" >> $cross
1841
1842   # unroll any custom device configs
1843   for a in $device_archs; do
1844       eval "c=\$devices_${a}"
1845       echo "${a}-softmmu = '$c'" >> $cross
1846   done
1847
1848   echo "[built-in options]" >> $cross
1849   echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1850   echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1851   test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1852   echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1853   echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1854   echo "[binaries]" >> $cross
1855   echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1856   test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1857   test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1858   echo "ar = [$(meson_quote $ar)]" >> $cross
1859   echo "nm = [$(meson_quote $nm)]" >> $cross
1860   echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1861   echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1862   if has $sdl2_config; then
1863     echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1864   fi
1865   echo "strip = [$(meson_quote $strip)]" >> $cross
1866   echo "widl = [$(meson_quote $widl)]" >> $cross
1867   echo "windres = [$(meson_quote $windres)]" >> $cross
1868   echo "windmc = [$(meson_quote $windmc)]" >> $cross
1869   if test "$cross_compile" = "yes"; then
1870     cross_arg="--cross-file config-meson.cross"
1871     echo "[host_machine]" >> $cross
1872     echo "system = '$targetos'" >> $cross
1873     case "$cpu" in
1874         i386)
1875             echo "cpu_family = 'x86'" >> $cross
1876             ;;
1877         *)
1878             echo "cpu_family = '$cpu'" >> $cross
1879             ;;
1880     esac
1881     echo "cpu = '$cpu'" >> $cross
1882     if test "$bigendian" = "yes" ; then
1883         echo "endian = 'big'" >> $cross
1884     else
1885         echo "endian = 'little'" >> $cross
1886     fi
1887   else
1888     cross_arg="--native-file config-meson.cross"
1889   fi
1890   mv $cross config-meson.cross
1891
1892   rm -rf meson-private meson-info meson-logs
1893
1894   # Built-in options
1895   test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload"
1896   test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
1897   test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1898   test "$static" = yes && meson_option_add -Dprefer_static=true
1899   test "$pie" = no && meson_option_add -Db_pie=false
1900   test "$werror" = yes && meson_option_add -Dwerror=true
1901
1902   # QEMU options
1903   test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
1904   test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1905   test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1906   test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
1907   test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
1908   test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1909   run_meson() {
1910     NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
1911   }
1912   eval run_meson $meson_options
1913   if test "$?" -ne 0 ; then
1914       error_exit "meson setup failed"
1915   fi
1916   echo "$meson" > build.ninja.stamp
1917 else
1918   if test -f meson-private/cmd_line.txt; then
1919     # Adjust old command line options that were removed
1920     # sed -i is not portable
1921     perl -i -ne '
1922       /^sphinx_build/ && next;
1923       print;' meson-private/cmd_line.txt
1924   fi
1925 fi
1926
1927 # Save the configure command line for later reuse.
1928 cat <<EOD >config.status
1929 #!/bin/sh
1930 # Generated by configure.
1931 # Run this file to recreate the current configuration.
1932 # Compiler output produced by configure, useful for debugging
1933 # configure, is in config.log if it exists.
1934 EOD
1935
1936 preserve_env() {
1937     envname=$1
1938
1939     eval envval=\$$envname
1940
1941     if test -n "$envval"
1942     then
1943         echo "$envname='$envval'" >> config.status
1944         echo "export $envname" >> config.status
1945     else
1946         echo "unset $envname" >> config.status
1947     fi
1948 }
1949
1950 # Preserve various env variables that influence what
1951 # features/build target configure will detect
1952 preserve_env AR
1953 preserve_env AS
1954 preserve_env CC
1955 preserve_env CFLAGS
1956 preserve_env CXX
1957 preserve_env CXXFLAGS
1958 preserve_env LD
1959 preserve_env LDFLAGS
1960 preserve_env LD_LIBRARY_PATH
1961 preserve_env NM
1962 preserve_env OBJCFLAGS
1963 preserve_env OBJCOPY
1964 preserve_env PATH
1965 preserve_env PKG_CONFIG
1966 preserve_env PKG_CONFIG_LIBDIR
1967 preserve_env PKG_CONFIG_PATH
1968 preserve_env PYTHON
1969 preserve_env QEMU_GA_MANUFACTURER
1970 preserve_env QEMU_GA_DISTRO
1971 preserve_env QEMU_GA_VERSION
1972 preserve_env SDL2_CONFIG
1973 preserve_env SMBD
1974 preserve_env STRIP
1975 preserve_env WIDL
1976 preserve_env WINDRES
1977 preserve_env WINDMC
1978
1979 printf "exec" >>config.status
1980 for i in "$0" "$@"; do
1981   test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
1982 done
1983 echo ' "$@"' >>config.status
1984 chmod +x config.status
1985
1986 rm -r "$TMPDIR1"