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