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 if test -e "$source_path/.git"
 250 then
 251     git_submodules_action="update"
 252 else
 253     git_submodules_action="ignore"
 254 fi
 255
 256 git_submodules="subprojects/keycodemapdb"
 257 git="git"
 258 debug_tcg="no"
 259 docs="auto"
 260 EXESUF=""
 261 prefix="/usr/local"
 262 qemu_suffix="qemu"
 263 softmmu="yes"
 264 linux_user=""
 265 bsd_user=""
 266 plugins="$default_feature"
 267 ninja=""
 268 python=
 269 download="enabled"
 270 bindir="bin"
 271 skip_meson=no
 272 vfio_user_server="disabled"
 273 use_containers="yes"
 274 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 275 gdb_arches=""
 276 werror=""
 277
 278 # Don't accept a target_list environment variable.
 279 unset target_list
 280 unset target_list_exclude
 281
 282 # The following Meson options are handled manually (still they
 283 # are included in the automatically generated help message)
 284
 285 # 1. Track which submodules are needed
 286 fdt="auto"
 287
 288 # 2. Automatically enable/disable other options
 289 tcg="auto"
 290 cfi="false"
 291
 292 # 3. Need to check for -static-pie before Meson runs.  Also,
 293 # Meson has PIE as a boolean rather than enabled/disabled/auto.
 294 pie=""
 295 static="no"
 296
 297 # Preferred compiler:
 298 #  ${CC} (if set)
 299 #  ${cross_prefix}gcc (if cross-prefix specified)
 300 #  system compiler
 301 if test -z "${CC}${cross_prefix}"; then
 302   cc="$host_cc"
 303 else
 304   cc="${CC-${cross_prefix}gcc}"
 305 fi
 306
 307 if test -z "${CXX}${cross_prefix}"; then
 308   cxx="c++"
 309 else
 310   cxx="${CXX-${cross_prefix}g++}"
 311 fi
 312
 313 # Preferred ObjC compiler:
 314 # $objcc (if set, i.e. via --objcc option)
 315 # ${cross_prefix}clang (if cross-prefix specified)
 316 # clang (if available)
 317 # $cc
 318 if test -z "${objcc}${cross_prefix}"; then
 319   if has clang; then
 320     objcc=clang
 321   else
 322     objcc="$cc"
 323   fi
 324 else
 325   objcc="${objcc-${cross_prefix}clang}"
 326 fi
 327
 328 ar="${AR-${cross_prefix}ar}"
 329 as="${AS-${cross_prefix}as}"
 330 ccas="${CCAS-$cc}"
 331 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 332 ld="${LD-${cross_prefix}ld}"
 333 ranlib="${RANLIB-${cross_prefix}ranlib}"
 334 nm="${NM-${cross_prefix}nm}"
 335 smbd="$SMBD"
 336 strip="${STRIP-${cross_prefix}strip}"
 337 widl="${WIDL-${cross_prefix}widl}"
 338 windres="${WINDRES-${cross_prefix}windres}"
 339 windmc="${WINDMC-${cross_prefix}windmc}"
 340 pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}"
 341 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 342
 343 check_define() {
 344 cat > $TMPC <<EOF
 345 #if !defined($1)
 346 #error $1 not defined
 347 #endif
 348 int main(void) { return 0; }
 349 EOF
 350   compile_object
 351 }
 352
 353 write_c_skeleton() {
 354     cat > $TMPC <<EOF
 355 int main(void) { return 0; }
 356 EOF
 357 }
 358
 359 if check_define __linux__ ; then
 360   targetos=linux
 361 elif check_define _WIN32 ; then
 362   targetos=windows
 363 elif check_define __OpenBSD__ ; then
 364   targetos=openbsd
 365 elif check_define __sun__ ; then
 366   targetos=sunos
 367 elif check_define __HAIKU__ ; then
 368   targetos=haiku
 369 elif check_define __FreeBSD__ ; then
 370   targetos=freebsd
 371 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 372   targetos=gnu/kfreebsd
 373 elif check_define __DragonFly__ ; then
 374   targetos=dragonfly
 375 elif check_define __NetBSD__; then
 376   targetos=netbsd
 377 elif check_define __APPLE__; then
 378   targetos=darwin
 379 else
 380   # This is a fatal error, but don't report it yet, because we
 381   # might be going to just print the --help text, or it might
 382   # be the result of a missing compiler.
 383   targetos=bogus
 384 fi
 385
 386 # OS specific
 387
 388 mingw32="no"
 389 bsd="no"
 390 linux="no"
 391 solaris="no"
 392 case $targetos in
 393 windows)
 394   mingw32="yes"
 395   plugins="no"
 396   pie="no"
 397 ;;
 398 gnu/kfreebsd)
 399   bsd="yes"
 400 ;;
 401 freebsd)
 402   bsd="yes"
 403   # needed for kinfo_getvmmap(3) in libutil.h
 404 ;;
 405 dragonfly)
 406   bsd="yes"
 407 ;;
 408 netbsd)
 409   bsd="yes"
 410 ;;
 411 openbsd)
 412   bsd="yes"
 413 ;;
 414 darwin)
 415   bsd="yes"
 416   darwin="yes"
 417 ;;
 418 sunos)
 419   solaris="yes"
 420 ;;
 421 haiku)
 422   pie="no"
 423 ;;
 424 linux)
 425   linux="yes"
 426 ;;
 427 esac
 428
 429 if test ! -z "$cpu" ; then
 430   # command line argument
 431   :
 432 elif check_define __i386__ ; then
 433   cpu="i386"
 434 elif check_define __x86_64__ ; then
 435   if check_define __ILP32__ ; then
 436     cpu="x32"
 437   else
 438     cpu="x86_64"
 439   fi
 440 elif check_define __sparc__ ; then
 441   if check_define __arch64__ ; then
 442     cpu="sparc64"
 443   else
 444     cpu="sparc"
 445   fi
 446 elif check_define _ARCH_PPC ; then
 447   if check_define _ARCH_PPC64 ; then
 448     if check_define _LITTLE_ENDIAN ; then
 449       cpu="ppc64le"
 450     else
 451       cpu="ppc64"
 452     fi
 453   else
 454     cpu="ppc"
 455   fi
 456 elif check_define __mips__ ; then
 457   cpu="mips"
 458 elif check_define __s390__ ; then
 459   if check_define __s390x__ ; then
 460     cpu="s390x"
 461   else
 462     cpu="s390"
 463   fi
 464 elif check_define __riscv ; then
 465   cpu="riscv"
 466 elif check_define __arm__ ; then
 467   cpu="arm"
 468 elif check_define __aarch64__ ; then
 469   cpu="aarch64"
 470 elif check_define __loongarch64 ; then
 471   cpu="loongarch64"
 472 else
 473   # Using uname is really broken, but it is just a fallback for architectures
 474   # that are going to use TCI anyway
 475   cpu=$(uname -m)
 476   echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
 477 fi
 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="$optarg"
 688   ;;
 689   --host=*|--build=*|\
 690   --disable-dependency-tracking|\
 691   --sbindir=*|--sharedstatedir=*|\
 692   --oldincludedir=*|--datarootdir=*|--infodir=*|\
 693   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 694     # These switches are silently ignored, for compatibility with
 695     # autoconf-generated configure scripts. This allows QEMU's
 696     # configure to be used by RPM and similar macros that set
 697     # lots of directory switches by default.
 698   ;;
 699   --enable-debug-tcg) debug_tcg="yes"
 700   ;;
 701   --disable-debug-tcg) debug_tcg="no"
 702   ;;
 703   --enable-debug)
 704       # Enable debugging options that aren't excessively noisy
 705       debug_tcg="yes"
 706       meson_option_parse --enable-debug-graph-lock ""
 707       meson_option_parse --enable-debug-mutex ""
 708       meson_option_add -Doptimization=0
 709   ;;
 710   --disable-tcg) tcg="disabled"
 711                  plugins="no"
 712   ;;
 713   --enable-tcg) tcg="enabled"
 714   ;;
 715   --disable-system) softmmu="no"
 716   ;;
 717   --enable-system) softmmu="yes"
 718   ;;
 719   --disable-user)
 720       linux_user="no" ;
 721       bsd_user="no" ;
 722   ;;
 723   --enable-user) ;;
 724   --disable-linux-user) linux_user="no"
 725   ;;
 726   --enable-linux-user) linux_user="yes"
 727   ;;
 728   --disable-bsd-user) bsd_user="no"
 729   ;;
 730   --enable-bsd-user) bsd_user="yes"
 731   ;;
 732   --enable-pie) pie="yes"
 733   ;;
 734   --disable-pie) pie="no"
 735   ;;
 736   --enable-werror) werror="yes"
 737   ;;
 738   --disable-werror) werror="no"
 739   ;;
 740   --enable-cfi)
 741       cfi="true";
 742       meson_option_add -Db_lto=true
 743   ;;
 744   --disable-cfi) cfi="false"
 745   ;;
 746   --disable-fdt) fdt="disabled"
 747   ;;
 748   --enable-fdt) fdt="enabled"
 749   ;;
 750   --enable-fdt=git) fdt="internal"
 751   ;;
 752   --enable-fdt=*) fdt="$optarg"
 753   ;;
 754   --with-git-submodules=*)
 755       git_submodules_action="$optarg"
 756   ;;
 757   --disable-download) download="disabled"
 758   ;;
 759   --enable-download) download="enabled"
 760   ;;
 761   --enable-plugins) if test "$mingw32" = "yes"; then
 762                         error_exit "TCG plugins not currently supported on Windows platforms"
 763                     else
 764                         plugins="yes"
 765                     fi
 766   ;;
 767   --disable-plugins) plugins="no"
 768   ;;
 769   --enable-containers) use_containers="yes"
 770   ;;
 771   --disable-containers) use_containers="no"
 772   ;;
 773   --gdb=*) gdb_bin="$optarg"
 774   ;;
 775   --enable-vfio-user-server) vfio_user_server="enabled"
 776   ;;
 777   --disable-vfio-user-server) vfio_user_server="disabled"
 778   ;;
 779   # everything else has the same name in configure and meson
 780   --*) meson_option_parse "$opt" "$optarg"
 781   ;;
 782   esac
 783 done
 784
 785 # test for any invalid configuration combinations
 786 if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
 787     error_exit "Can't enable plugins on non-TCG builds"
 788 fi
 789
 790 case $git_submodules_action in
 791     update|validate)
 792         if test ! -e "$source_path/.git" || ! has git; then
 793             echo "ERROR: cannot $git_submodules_action git submodules without .git"
 794             exit 1
 795         fi
 796     ;;
 797     ignore)
 798         if ! test -f "$source_path/subprojects/keycodemapdb/README"
 799         then
 800             echo
 801             echo "ERROR: missing GIT submodules"
 802             echo
 803             if test -e "$source_path/.git"; then
 804                 echo "--with-git-submodules=ignore specified but submodules were not"
 805                 echo "checked out.  Please initialize and update submodules."
 806             else
 807                 echo "This is not a GIT checkout but module content appears to"
 808                 echo "be missing. Do not use 'git archive' or GitHub download links"
 809                 echo "to acquire QEMU source archives. Non-GIT builds are only"
 810                 echo "supported with source archives linked from:"
 811                 echo
 812                 echo "  https://www.qemu.org/download/#source"
 813                 echo
 814                 echo "Developers working with GIT can use scripts/archive-source.sh"
 815                 echo "if they need to create valid source archives."
 816             fi
 817             echo
 818             exit 1
 819         fi
 820     ;;
 821     *)
 822         echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'"
 823         exit 1
 824     ;;
 825 esac
 826
 827 default_target_list=""
 828 mak_wilds=""
 829
 830 if [ "$linux_user" != no ]; then
 831     if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then
 832         linux_user=yes
 833     elif [ "$linux_user" = yes ]; then
 834         error_exit "linux-user not supported on this architecture"
 835     fi
 836 fi
 837 if [ "$bsd_user" != no ]; then
 838     if [ "$bsd_user" = "" ]; then
 839         test $targetos = freebsd && bsd_user=yes
 840     fi
 841     if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
 842         error_exit "bsd-user not supported on this host OS"
 843     fi
 844 fi
 845 if [ "$softmmu" = "yes" ]; then
 846     mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
 847 fi
 848 if [ "$linux_user" = "yes" ]; then
 849     mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
 850 fi
 851 if [ "$bsd_user" = "yes" ]; then
 852     mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
 853 fi
 854
 855 for config in $mak_wilds; do
 856     target="$(basename "$config" .mak)"
 857     if echo "$target_list_exclude" | grep -vq "$target"; then
 858         default_target_list="${default_target_list} $target"
 859     fi
 860 done
 861
 862 if test x"$show_help" = x"yes" ; then
 863 cat << EOF
 864
 865 Usage: configure [options]
 866 Options: [defaults in brackets after descriptions]
 867
 868 Standard options:
 869   --help                   print this message
 870   --prefix=PREFIX          install in PREFIX [$prefix]
 871   --target-list=LIST       set target list (default: build all)
 872 $(echo Available targets: $default_target_list | \
 873   fold -s -w 53 | sed -e 's/^/                           /')
 874   --target-list-exclude=LIST exclude a set of targets from the default target-list
 875
 876 Advanced options (experts only):
 877   --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
 878   --cc=CC                  use C compiler CC [$cc]
 879   --host-cc=CC             use C compiler CC [$host_cc] for code run at
 880                            build time
 881   --cxx=CXX                use C++ compiler CXX [$cxx]
 882   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
 883   --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
 884   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
 885   --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
 886   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
 887   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
 888   --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
 889   --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
 890   --python=PYTHON          use specified python [$python]
 891   --ninja=NINJA            use specified ninja [$ninja]
 892   --smbd=SMBD              use specified smbd [$smbd]
 893   --with-git-submodules=update   update git submodules (default if .git dir exists)
 894   --with-git-submodules=validate fail if git submodules are not up to date
 895   --with-git-submodules=ignore   do not update or check git submodules (default if no .git dir)
 896   --static                 enable static build [$static]
 897   --bindir=PATH            install binaries in PATH
 898   --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
 899   --without-default-features default all --enable-* options to "disabled"
 900   --without-default-devices  do not include any device that is not needed to
 901                            start the emulator (only use if you are including
 902                            desired devices in configs/devices/)
 903   --with-devices-ARCH=NAME override default configs/devices
 904   --enable-debug           enable common debug build options
 905   --disable-werror         disable compilation abort on warning
 906   --cpu=CPU                Build for host CPU [$cpu]
 907   --enable-plugins
 908                            enable plugins via shared library loading
 909   --disable-containers     don't use containers for cross-building
 910   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
 911 EOF
 912   meson_options_help
 913 cat << EOF
 914   system          all system emulation targets
 915   user            supported user emulation targets
 916   linux-user      all linux usermode emulation targets
 917   bsd-user        all BSD usermode emulation targets
 918   pie             Position Independent Executables
 919   debug-tcg       TCG debugging (default is disabled)
 920
 921 NOTE: The object files are built at the place where configure is launched
 922 EOF
 923 exit 0
 924 fi
 925
 926 # Remove old dependency files to make sure that they get properly regenerated
 927 rm -f ./*/config-devices.mak.d
 928
 929 if test -z "$python"
 930 then
 931     # If first_python is set, there was a binary somewhere even though
 932     # it was not suitable.  Use it for the error message.
 933     if test -n "$first_python"; then
 934         error_exit "Cannot use '$first_python', Python >= 3.7 is required." \
 935             "Use --python=/path/to/python to specify a supported Python."
 936     else
 937         error_exit "Python not found. Use --python=/path/to/python"
 938     fi
 939 fi
 940
 941 if ! check_py_version "$python"; then
 942   error_exit "Cannot use '$python', Python >= 3.7 is required." \
 943              "Use --python=/path/to/python to specify a supported Python." \
 944              "Maybe try:" \
 945              "  openSUSE Leap 15.3+: zypper install python39" \
 946              "  CentOS 8: dnf install python38"
 947 fi
 948
 949 # Resolve PATH
 950 python="$(command -v "$python")"
 951
 952 # Create a Python virtual environment using our configured python.
 953 # The stdout of this script will be the location of a symlink that
 954 # points to the configured Python.
 955 # Entry point scripts for pip, meson, and sphinx are generated if those
 956 # packages are present.
 957
 958 # Defaults assumed for now:
 959 # - venv is cleared if it exists already;
 960 # - venv is allowed to use system packages;
 961 # - all setup can be performed offline;
 962 # - missing packages may be fetched from PyPI,
 963 #   unless --disable-download is passed.
 964 # - pip is not installed into the venv when possible,
 965 #   but ensurepip is called as a fallback when necessary.
 966
 967 echo "python determined to be '$python'"
 968 echo "python version: $($python --version)"
 969
 970 python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
 971 if test "$?" -ne 0 ; then
 972     error_exit "python venv creation failed"
 973 fi
 974
 975 # Suppress writing compiled files
 976 python="$python -B"
 977 mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
 978
 979 mkvenv_flags=""
 980 if test "$download" = "enabled" ; then
 981     mkvenv_flags="--online"
 982 fi
 983
 984 if ! $mkvenv ensure \
 985      $mkvenv_flags \
 986      --dir "${source_path}/python/wheels" \
 987      --diagnose "meson" \
 988      "meson>=0.63.0" ;
 989 then
 990     exit 1
 991 fi
 992
 993 # At this point, we expect Meson to be installed and available.
 994 # We expect mkvenv or pip to have created pyvenv/bin/meson for us.
 995 # We ignore PATH completely here: we want to use the venv's Meson
 996 # *exclusively*.
 997
 998 meson="$(cd pyvenv/bin; pwd)/meson"
 999
1000 # Conditionally ensure Sphinx is installed.
1001
1002 mkvenv_flags=""
1003 if test "$download" = "enabled" -a "$docs" = "enabled" ; then
1004     mkvenv_flags="--online"
1005 fi
1006
1007 if test "$docs" != "disabled" ; then
1008     if ! $mkvenv ensure \
1009          $mkvenv_flags \
1010          --diagnose "sphinx-build" \
1011          "sphinx>=1.6.0" "sphinx-rtd-theme>=0.5.0";
1012     then
1013         if test "$docs" = "enabled" ; then
1014             exit 1
1015         fi
1016         echo "Sphinx not found/usable, disabling docs."
1017         docs=disabled
1018     else
1019         docs=enabled
1020     fi
1021 fi
1022
1023 # Probe for ninja
1024
1025 if test -z "$ninja"; then
1026     for c in ninja ninja-build samu; do
1027         if has $c; then
1028             ninja=$(command -v "$c")
1029             break
1030         fi
1031     done
1032     if test -z "$ninja"; then
1033       error_exit "Cannot find Ninja"
1034     fi
1035 fi
1036
1037 # Consult white-list to determine whether to enable werror
1038 # by default.  Only enable by default for git builds
1039 if test -z "$werror" ; then
1040     if test "$git_submodules_action" != "ignore" && \
1041         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1042         werror="yes"
1043     else
1044         werror="no"
1045     fi
1046 fi
1047
1048 if test "$targetos" = "bogus"; then
1049     # Now that we know that we're not printing the help and that
1050     # the compiler works (so the results of the check_defines we used
1051     # to identify the OS are reliable), if we didn't recognize the
1052     # host OS we should stop now.
1053     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1054 fi
1055
1056 if test "$static" = "yes" ; then
1057   if test "$plugins" = "yes"; then
1058     error_exit "static and plugins are mutually incompatible"
1059   else
1060     plugins="no"
1061   fi
1062 fi
1063 test "$plugins" = "" && plugins=yes
1064
1065 cat > $TMPC << EOF
1066
1067 #ifdef __linux__
1068 #  define THREAD __thread
1069 #else
1070 #  define THREAD
1071 #endif
1072 static THREAD int tls_var;
1073 int main(void) { return tls_var; }
1074 EOF
1075
1076 if test "$static" = "yes"; then
1077   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1078     pie="yes"
1079   elif test "$pie" = "yes"; then
1080     error_exit "-static-pie not available due to missing toolchain support"
1081   else
1082     pie="no"
1083   fi
1084 elif test "$pie" != "no"; then
1085   if compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1086     pie="yes"
1087   elif test "$pie" = "yes"; then
1088     error_exit "PIE not available due to missing toolchain support"
1089   else
1090     echo "Disabling PIE due to missing toolchain support"
1091     pie="no"
1092   fi
1093 fi
1094
1095 ##########################################
1096
1097 if test -z "${target_list+xxx}" ; then
1098     default_targets=yes
1099     for target in $default_target_list; do
1100         target_list="$target_list $target"
1101     done
1102     target_list="${target_list# }"
1103 else
1104     default_targets=no
1105     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1106     for target in $target_list; do
1107         # Check that we recognised the target name; this allows a more
1108         # friendly error message than if we let it fall through.
1109         case " $default_target_list " in
1110             *" $target "*)
1111                 ;;
1112             *)
1113                 error_exit "Unknown target name '$target'"
1114                 ;;
1115         esac
1116     done
1117 fi
1118
1119 # see if system emulation was really requested
1120 case " $target_list " in
1121   *"-softmmu "*) softmmu=yes
1122   ;;
1123   *) softmmu=no
1124   ;;
1125 esac
1126
1127 if test "$tcg" = "auto"; then
1128   if test -z "$target_list"; then
1129     tcg="disabled"
1130   else
1131     tcg="enabled"
1132   fi
1133 fi
1134
1135 if test "$tcg" = "enabled"; then
1136     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
1137     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
1138 fi
1139
1140 ##########################################
1141 # big/little endian test
1142 cat > $TMPC << EOF
1143 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1144 # error LITTLE
1145 #endif
1146 int main(void) { return 0; }
1147 EOF
1148
1149 if ! compile_prog ; then
1150   bigendian="no"
1151 else
1152   cat > $TMPC << EOF
1153 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1154 # error BIG
1155 #endif
1156 int main(void) { return 0; }
1157 EOF
1158
1159   if ! compile_prog ; then
1160     bigendian="yes"
1161   else
1162     echo big/little test failed
1163     exit 1
1164   fi
1165 fi
1166
1167 ##########################################
1168 # fdt probe
1169
1170 case "$fdt" in
1171   auto | enabled | internal)
1172     # Simpler to always update submodule, even if not needed.
1173     git_submodules="${git_submodules} subprojects/dtc"
1174     ;;
1175 esac
1176
1177 ########################################
1178 # check if ccache is interfering with
1179 # semantic analysis of macros
1180
1181 unset CCACHE_CPP2
1182 ccache_cpp2=no
1183 cat > $TMPC << EOF
1184 static const int Z = 1;
1185 #define fn() ({ Z; })
1186 #define TAUT(X) ((X) == Z)
1187 #define PAREN(X, Y) (X == Y)
1188 #define ID(X) (X)
1189 int main(void)
1190 {
1191     int x = 0, y = 0;
1192     x = ID(x);
1193     x = fn();
1194     fn();
1195     if (PAREN(x, y)) return 0;
1196     if (TAUT(Z)) return 0;
1197     return 0;
1198 }
1199 EOF
1200
1201 if ! compile_object "-Werror"; then
1202     ccache_cpp2=yes
1203 fi
1204
1205 ##########################################
1206 # functions to probe cross compilers
1207
1208 container="no"
1209 runc=""
1210 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1211     case $($python "$source_path"/tests/docker/docker.py probe) in
1212         *docker) container=docker ;;
1213         podman) container=podman ;;
1214         no) container=no ;;
1215     esac
1216     if test "$container" != "no"; then
1217         docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1218         runc=$($python "$source_path"/tests/docker/docker.py probe)
1219     fi
1220 fi
1221
1222 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1223 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1224 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1225 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1226 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1227 : ${cross_prefix_armeb="$cross_prefix_arm"}
1228 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1229 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1230 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1231 : ${cross_prefix_i386="i686-linux-gnu-"}
1232 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1233 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1234 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1235 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1236 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1237 : ${cross_prefix_mips="mips-linux-gnu-"}
1238 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1239 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1240 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1241 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1242 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1243 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1244 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1245 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1246 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1247 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1248
1249 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1250 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1251 : ${cross_cc_armeb="$cross_cc_arm"}
1252 : ${cross_cc_cflags_armeb="-mbig-endian"}
1253 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1254 : ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1255 : ${cross_cc_cflags_i386="-m32"}
1256 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1257 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1258 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1259 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1260 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1261 : ${cross_cc_sparc="$cross_cc_sparc64"}
1262 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1263 : ${cross_cc_cflags_x86_64="-m64"}
1264
1265 compute_target_variable() {
1266   eval "$2="
1267   if eval test -n "\"\${cross_prefix_$1}\""; then
1268     if eval has "\"\${cross_prefix_$1}\$3\""; then
1269       eval "$2=\"\${cross_prefix_$1}\$3\""
1270     fi
1271   fi
1272 }
1273
1274 have_target() {
1275   for i; do
1276     case " $target_list " in
1277       *" $i "*) return 0;;
1278       *) ;;
1279     esac
1280   done
1281   return 1
1282 }
1283
1284 # probe_target_compiler TARGET
1285 #
1286 # Look for a compiler for the given target, either native or cross.
1287 # Set variables target_* if a compiler is found, and container_cross_*
1288 # if a Docker-based cross-compiler image is known for the target.
1289 # Set got_cross_cc to yes/no depending on whether a non-container-based
1290 # compiler was found.
1291 #
1292 # If TARGET is a user-mode emulation target, also set build_static to
1293 # "y" if static linking is possible.
1294 #
1295 probe_target_compiler() {
1296   # reset all output variables
1297   got_cross_cc=no
1298   container_image=
1299   container_hosts=
1300   container_cross_cc=
1301   container_cross_ar=
1302   container_cross_as=
1303   container_cross_ld=
1304   container_cross_nm=
1305   container_cross_objcopy=
1306   container_cross_ranlib=
1307   container_cross_strip=
1308
1309   target_arch=${1%%-*}
1310   case $target_arch in
1311     aarch64) container_hosts="x86_64 aarch64" ;;
1312     alpha) container_hosts=x86_64 ;;
1313     arm) container_hosts="x86_64 aarch64" ;;
1314     cris) container_hosts=x86_64 ;;
1315     hexagon) container_hosts=x86_64 ;;
1316     hppa) container_hosts=x86_64 ;;
1317     i386) container_hosts=x86_64 ;;
1318     loongarch64) container_hosts=x86_64 ;;
1319     m68k) container_hosts=x86_64 ;;
1320     microblaze) container_hosts=x86_64 ;;
1321     mips64el) container_hosts=x86_64 ;;
1322     mips64) container_hosts=x86_64 ;;
1323     mipsel) container_hosts=x86_64 ;;
1324     mips) container_hosts=x86_64 ;;
1325     nios2) container_hosts=x86_64 ;;
1326     ppc) container_hosts=x86_64 ;;
1327     ppc64|ppc64le) container_hosts=x86_64 ;;
1328     riscv64) container_hosts=x86_64 ;;
1329     s390x) container_hosts=x86_64 ;;
1330     sh4) container_hosts=x86_64 ;;
1331     sparc64) container_hosts=x86_64 ;;
1332     tricore) container_hosts=x86_64 ;;
1333     x86_64) container_hosts="aarch64 ppc64el x86_64" ;;
1334     xtensa*) container_hosts=x86_64 ;;
1335   esac
1336
1337   for host in $container_hosts; do
1338     test "$container" != no || continue
1339     test "$host" = "$cpu" || continue
1340     case $target_arch in
1341       aarch64)
1342         # We don't have any bigendian build tools so we only use this for AArch64
1343         container_image=debian-arm64-cross
1344         container_cross_prefix=aarch64-linux-gnu-
1345         container_cross_cc=${container_cross_prefix}gcc-10
1346         ;;
1347       alpha)
1348         container_image=debian-alpha-cross
1349         container_cross_prefix=alpha-linux-gnu-
1350         ;;
1351       arm)
1352         # We don't have any bigendian build tools so we only use this for ARM
1353         container_image=debian-armhf-cross
1354         container_cross_prefix=arm-linux-gnueabihf-
1355         ;;
1356       cris)
1357         container_image=fedora-cris-cross
1358         container_cross_prefix=cris-linux-gnu-
1359         ;;
1360       hexagon)
1361         container_image=debian-hexagon-cross
1362         container_cross_prefix=hexagon-unknown-linux-musl-
1363         container_cross_cc=${container_cross_prefix}clang
1364         ;;
1365       hppa)
1366         container_image=debian-hppa-cross
1367         container_cross_prefix=hppa-linux-gnu-
1368         ;;
1369       i386)
1370         container_image=fedora-i386-cross
1371         container_cross_prefix=
1372         ;;
1373       loongarch64)
1374         container_image=debian-loongarch-cross
1375         container_cross_prefix=loongarch64-unknown-linux-gnu-
1376         ;;
1377       m68k)
1378         container_image=debian-m68k-cross
1379         container_cross_prefix=m68k-linux-gnu-
1380         ;;
1381       microblaze)
1382         container_image=debian-microblaze-cross
1383         container_cross_prefix=microblaze-linux-musl-
1384         ;;
1385       mips64el)
1386         container_image=debian-mips64el-cross
1387         container_cross_prefix=mips64el-linux-gnuabi64-
1388         ;;
1389       mips64)
1390         container_image=debian-mips64-cross
1391         container_cross_prefix=mips64-linux-gnuabi64-
1392         ;;
1393       mipsel)
1394         container_image=debian-mipsel-cross
1395         container_cross_prefix=mipsel-linux-gnu-
1396         ;;
1397       mips)
1398         container_image=debian-mips-cross
1399         container_cross_prefix=mips-linux-gnu-
1400         ;;
1401       nios2)
1402         container_image=debian-nios2-cross
1403         container_cross_prefix=nios2-linux-gnu-
1404         ;;
1405       ppc)
1406         container_image=debian-powerpc-test-cross
1407         container_cross_prefix=powerpc-linux-gnu-
1408         container_cross_cc=${container_cross_prefix}gcc-10
1409         ;;
1410       ppc64|ppc64le)
1411         container_image=debian-powerpc-test-cross
1412         container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1413         container_cross_cc=${container_cross_prefix}gcc-10
1414         ;;
1415       riscv64)
1416         container_image=debian-riscv64-test-cross
1417         container_cross_prefix=riscv64-linux-gnu-
1418         ;;
1419       s390x)
1420         container_image=debian-s390x-cross
1421         container_cross_prefix=s390x-linux-gnu-
1422         ;;
1423       sh4)
1424         container_image=debian-sh4-cross
1425         container_cross_prefix=sh4-linux-gnu-
1426         ;;
1427       sparc64)
1428         container_image=debian-sparc64-cross
1429         container_cross_prefix=sparc64-linux-gnu-
1430         ;;
1431       tricore)
1432         container_image=debian-tricore-cross
1433         container_cross_prefix=tricore-
1434         container_cross_as=tricore-as
1435         container_cross_ld=tricore-ld
1436         break
1437         ;;
1438       x86_64)
1439         container_image=debian-amd64-cross
1440         container_cross_prefix=x86_64-linux-gnu-
1441         ;;
1442       xtensa*)
1443         container_hosts=x86_64
1444         container_image=debian-xtensa-cross
1445
1446         # default to the dc232b cpu
1447         container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1448         ;;
1449     esac
1450     : ${container_cross_cc:=${container_cross_prefix}gcc}
1451     : ${container_cross_ar:=${container_cross_prefix}ar}
1452     : ${container_cross_as:=${container_cross_prefix}as}
1453     : ${container_cross_ld:=${container_cross_prefix}ld}
1454     : ${container_cross_nm:=${container_cross_prefix}nm}
1455     : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1456     : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1457     : ${container_cross_strip:=${container_cross_prefix}strip}
1458   done
1459
1460   try=cross
1461   case "$target_arch:$cpu" in
1462     aarch64_be:aarch64 | \
1463     armeb:arm | \
1464     i386:x86_64 | \
1465     mips*:mips64 | \
1466     ppc*:ppc64 | \
1467     sparc:sparc64 | \
1468     "$cpu:$cpu")
1469       try='native cross' ;;
1470   esac
1471   eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1472   for thistry in $try; do
1473     case $thistry in
1474     native)
1475       target_cc=$cc
1476       target_ccas=$ccas
1477       target_ar=$ar
1478       target_as=$as
1479       target_ld=$ld
1480       target_nm=$nm
1481       target_objcopy=$objcopy
1482       target_ranlib=$ranlib
1483       target_strip=$strip
1484       ;;
1485     cross)
1486       target_cc=
1487       if eval test -n "\"\${cross_cc_$target_arch}\""; then
1488         if eval has "\"\${cross_cc_$target_arch}\""; then
1489           eval "target_cc=\"\${cross_cc_$target_arch}\""
1490         fi
1491       else
1492         compute_target_variable $target_arch target_cc gcc
1493       fi
1494       target_ccas=$target_cc
1495       compute_target_variable $target_arch target_ar ar
1496       compute_target_variable $target_arch target_as as
1497       compute_target_variable $target_arch target_ld ld
1498       compute_target_variable $target_arch target_nm nm
1499       compute_target_variable $target_arch target_objcopy objcopy
1500       compute_target_variable $target_arch target_ranlib ranlib
1501       compute_target_variable $target_arch target_strip strip
1502       ;;
1503     esac
1504
1505     if test -n "$target_cc"; then
1506       case $target_arch in
1507         i386|x86_64)
1508           if $target_cc --version | grep -qi "clang"; then
1509             continue
1510           fi
1511           ;;
1512       esac
1513     elif test -n "$target_as" && test -n "$target_ld"; then
1514       # Special handling for assembler only targets
1515       case $target in
1516         tricore-softmmu)
1517           build_static=
1518           got_cross_cc=yes
1519           break
1520           ;;
1521         *)
1522           continue
1523           ;;
1524       esac
1525     else
1526       continue
1527     fi
1528
1529     write_c_skeleton
1530     case $1 in
1531       *-softmmu)
1532         if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1533           do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1534           got_cross_cc=yes
1535           break
1536         fi
1537         ;;
1538       *)
1539         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1540           build_static=y
1541           got_cross_cc=yes
1542           break
1543         fi
1544         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1545           build_static=
1546           got_cross_cc=yes
1547           break
1548         fi
1549         ;;
1550     esac
1551   done
1552   if test $got_cross_cc != yes; then
1553     build_static=
1554     target_cc=
1555     target_ccas=
1556     target_ar=
1557     target_as=
1558     target_ld=
1559     target_nm=
1560     target_objcopy=
1561     target_ranlib=
1562     target_strip=
1563   fi
1564   test -n "$target_cc"
1565 }
1566
1567 write_target_makefile() {
1568   echo "EXTRA_CFLAGS=$target_cflags"
1569   if test -z "$target_cc" && test -z "$target_as"; then
1570     test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1571     echo "$1: docker-image-$container_image" >> Makefile.prereqs
1572     if test -n "$container_cross_cc"; then
1573       echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1574       echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1575     fi
1576     echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1577     echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1578     echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1579     echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1580     echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1581     echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1582     echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1583   else
1584     if test -n "$target_cc"; then
1585       echo "CC=$target_cc"
1586       echo "CCAS=$target_ccas"
1587     fi
1588     if test -n "$target_ar"; then
1589       echo "AR=$target_ar"
1590     fi
1591     if test -n "$target_as"; then
1592       echo "AS=$target_as"
1593     fi
1594     if test -n "$target_ld"; then
1595       echo "LD=$target_ld"
1596     fi
1597     if test -n "$target_nm"; then
1598       echo "NM=$target_nm"
1599     fi
1600     if test -n "$target_objcopy"; then
1601       echo "OBJCOPY=$target_objcopy"
1602     fi
1603     if test -n "$target_ranlib"; then
1604       echo "RANLIB=$target_ranlib"
1605     fi
1606     if test -n "$target_strip"; then
1607       echo "STRIP=$target_strip"
1608     fi
1609   fi
1610 }
1611
1612 ##########################################
1613 # check for vfio_user_server
1614
1615 case "$vfio_user_server" in
1616   enabled )
1617     if test "$git_submodules_action" != "ignore"; then
1618       git_submodules="${git_submodules} subprojects/libvfio-user"
1619     fi
1620     ;;
1621 esac
1622
1623 #######################################
1624 # cross-compiled firmware targets
1625
1626 # Set up build tree symlinks that point back into the source tree
1627 # (these can be both files and directories).
1628 # Caution: avoid adding files or directories here using wildcards. This
1629 # will result in problems later if a new file matching the wildcard is
1630 # added to the source tree -- nothing will cause configure to be rerun
1631 # so the build tree will be missing the link back to the new file, and
1632 # tests might fail. Prefer to keep the relevant files in their own
1633 # directory and symlink the directory instead.
1634 LINKS="Makefile"
1635 LINKS="$LINKS docs/config"
1636 LINKS="$LINKS pc-bios/optionrom/Makefile"
1637 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1638 LINKS="$LINKS pc-bios/vof/Makefile"
1639 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1640 LINKS="$LINKS tests/avocado tests/data"
1641 LINKS="$LINKS tests/qemu-iotests/check"
1642 LINKS="$LINKS python"
1643 LINKS="$LINKS contrib/plugins/Makefile "
1644 for f in $LINKS ; do
1645     if [ -e "$source_path/$f" ]; then
1646         symlink "$source_path/$f" "$f"
1647     fi
1648 done
1649
1650 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1651
1652 # Mac OS X ships with a broken assembler
1653 roms=
1654 if have_target i386-softmmu x86_64-softmmu && \
1655         test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
1656         test "$targetos" != "haiku" && \
1657         probe_target_compiler i386-softmmu; then
1658     roms="pc-bios/optionrom"
1659     config_mak=pc-bios/optionrom/config.mak
1660     echo "# Automatically generated by configure - do not modify" > $config_mak
1661     echo "TOPSRC_DIR=$source_path" >> $config_mak
1662     write_target_makefile >> $config_mak
1663 fi
1664
1665 if have_target ppc-softmmu ppc64-softmmu && \
1666         probe_target_compiler ppc-softmmu; then
1667     roms="$roms pc-bios/vof"
1668     config_mak=pc-bios/vof/config.mak
1669     echo "# Automatically generated by configure - do not modify" > $config_mak
1670     echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1671     write_target_makefile >> $config_mak
1672 fi
1673
1674 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1675 # (which is the lowest architecture level that Clang supports)
1676 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then
1677   write_c_skeleton
1678   do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1679   has_z900=$?
1680   if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1681     if [ $has_z900 != 0 ]; then
1682       echo "WARNING: Your compiler does not support the z900!"
1683       echo "         The s390-ccw bios will only work with guest CPUs >= z10."
1684     fi
1685     roms="$roms pc-bios/s390-ccw"
1686     config_mak=pc-bios/s390-ccw/config-host.mak
1687     echo "# Automatically generated by configure - do not modify" > $config_mak
1688     echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1689     write_target_makefile >> $config_mak
1690     # SLOF is required for building the s390-ccw firmware on s390x,
1691     # since it is using the libnet code from SLOF for network booting.
1692     git_submodules="${git_submodules} roms/SLOF"
1693   fi
1694 fi
1695
1696 #######################################
1697 # generate config-host.mak
1698
1699 if ! (GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then
1700     exit 1
1701 fi
1702
1703 config_host_mak="config-host.mak"
1704
1705 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1706 echo >> $config_host_mak
1707
1708 echo all: >> $config_host_mak
1709 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
1710 echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak
1711
1712 if test "$debug_tcg" = "yes" ; then
1713   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
1714 fi
1715 if test "$mingw32" = "yes" ; then
1716   echo "CONFIG_WIN32=y" >> $config_host_mak
1717   echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak
1718   echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak
1719   echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak
1720 else
1721   echo "CONFIG_POSIX=y" >> $config_host_mak
1722 fi
1723
1724 if test "$linux" = "yes" ; then
1725   echo "CONFIG_LINUX=y" >> $config_host_mak
1726 fi
1727
1728 if test "$darwin" = "yes" ; then
1729   echo "CONFIG_DARWIN=y" >> $config_host_mak
1730 fi
1731
1732 if test "$solaris" = "yes" ; then
1733   echo "CONFIG_SOLARIS=y" >> $config_host_mak
1734 fi
1735 echo "SRC_PATH=$source_path" >> $config_host_mak
1736 echo "TARGET_DIRS=$target_list" >> $config_host_mak
1737
1738 # XXX: suppress that
1739 if [ "$bsd" = "yes" ] ; then
1740   echo "CONFIG_BSD=y" >> $config_host_mak
1741 fi
1742
1743 if test "$plugins" = "yes" ; then
1744     echo "CONFIG_PLUGIN=y" >> $config_host_mak
1745 fi
1746
1747 if test -n "$gdb_bin"; then
1748     gdb_version=$($gdb_bin --version | head -n 1)
1749     if version_ge ${gdb_version##* } 9.1; then
1750         echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1751         gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1752     else
1753         gdb_bin=""
1754     fi
1755 fi
1756
1757 if test "$container" != no; then
1758     echo "ENGINE=$container" >> $config_host_mak
1759     echo "RUNC=$runc" >> $config_host_mak
1760 fi
1761 echo "ROMS=$roms" >> $config_host_mak
1762 echo "PYTHON=$python" >> $config_host_mak
1763 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1764 echo "MESON=$meson" >> $config_host_mak
1765 echo "NINJA=$ninja" >> $config_host_mak
1766 echo "PKG_CONFIG=${pkg_config}" >> $config_host_mak
1767 echo "CC=$cc" >> $config_host_mak
1768 echo "EXESUF=$EXESUF" >> $config_host_mak
1769
1770 # use included Linux headers
1771 if test "$linux" = "yes" ; then
1772   mkdir -p linux-headers
1773   case "$cpu" in
1774   i386|x86_64)
1775     linux_arch=x86
1776     ;;
1777   ppc|ppc64)
1778     linux_arch=powerpc
1779     ;;
1780   s390x)
1781     linux_arch=s390
1782     ;;
1783   aarch64)
1784     linux_arch=arm64
1785     ;;
1786   loongarch*)
1787     linux_arch=loongarch
1788     ;;
1789   mips64)
1790     linux_arch=mips
1791     ;;
1792   *)
1793     # For most CPUs the kernel architecture name and QEMU CPU name match.
1794     linux_arch="$cpu"
1795     ;;
1796   esac
1797     # For non-KVM architectures we will not have asm headers
1798     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
1799       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1800     fi
1801 fi
1802
1803 for target in $target_list; do
1804     target_dir="$target"
1805     target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
1806     mkdir -p "$target_dir"
1807     case $target in
1808         *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
1809         *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
1810     esac
1811 done
1812
1813 if test "$default_targets" = "yes"; then
1814   echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1815 fi
1816
1817 if test "$ccache_cpp2" = "yes"; then
1818   echo "export CCACHE_CPP2=y" >> $config_host_mak
1819 fi
1820
1821 # tests/tcg configuration
1822 (config_host_mak=tests/tcg/config-host.mak
1823 mkdir -p tests/tcg
1824 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1825 echo "SRC_PATH=$source_path" >> $config_host_mak
1826 echo "HOST_CC=$host_cc" >> $config_host_mak
1827
1828 # versioned checked in the main config_host.mak above
1829 if test -n "$gdb_bin"; then
1830     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1831 fi
1832 if test "$plugins" = "yes" ; then
1833     echo "CONFIG_PLUGIN=y" >> $config_host_mak
1834 fi
1835
1836 tcg_tests_targets=
1837 for target in $target_list; do
1838   arch=${target%%-*}
1839
1840   case $target in
1841     xtensa*-linux-user)
1842       # the toolchain is not complete with headers, only build softmmu tests
1843       continue
1844       ;;
1845     *-softmmu)
1846       test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1847       qemu="qemu-system-$arch"
1848       ;;
1849     *-linux-user|*-bsd-user)
1850       qemu="qemu-$arch"
1851       ;;
1852   esac
1853
1854   if probe_target_compiler $target || test -n "$container_image"; then
1855       test -n "$container_image" && build_static=y
1856       mkdir -p "tests/tcg/$target"
1857       config_target_mak=tests/tcg/$target/config-target.mak
1858       ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1859       echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1860       echo "TARGET_NAME=$arch" >> "$config_target_mak"
1861       echo "TARGET=$target" >> "$config_target_mak"
1862       write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1863       echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1864       echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1865
1866       # will GDB work with these binaries?
1867       if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1868           echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak"
1869       fi
1870
1871       echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1872       tcg_tests_targets="$tcg_tests_targets $target"
1873   fi
1874 done
1875
1876 if test "$tcg" = "enabled"; then
1877     echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
1878 fi
1879 )
1880
1881 if test "$skip_meson" = no; then
1882   cross="config-meson.cross.new"
1883   meson_quote() {
1884     test $# = 0 && return
1885     echo "'$(echo $* | sed "s/ /','/g")'"
1886   }
1887
1888   echo "# Automatically generated by configure - do not modify" > $cross
1889   echo "[properties]" >> $cross
1890
1891   # unroll any custom device configs
1892   for a in $device_archs; do
1893       eval "c=\$devices_${a}"
1894       echo "${a}-softmmu = '$c'" >> $cross
1895   done
1896
1897   echo "[built-in options]" >> $cross
1898   echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1899   echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1900   test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1901   echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1902   echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1903   echo "[binaries]" >> $cross
1904   echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1905   test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1906   test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1907   echo "ar = [$(meson_quote $ar)]" >> $cross
1908   echo "nm = [$(meson_quote $nm)]" >> $cross
1909   echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1910   echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1911   if has $sdl2_config; then
1912     echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1913   fi
1914   echo "strip = [$(meson_quote $strip)]" >> $cross
1915   echo "widl = [$(meson_quote $widl)]" >> $cross
1916   echo "windres = [$(meson_quote $windres)]" >> $cross
1917   echo "windmc = [$(meson_quote $windmc)]" >> $cross
1918   if test "$cross_compile" = "yes"; then
1919     cross_arg="--cross-file config-meson.cross"
1920     echo "[host_machine]" >> $cross
1921     echo "system = '$targetos'" >> $cross
1922     case "$cpu" in
1923         i386)
1924             echo "cpu_family = 'x86'" >> $cross
1925             ;;
1926         *)
1927             echo "cpu_family = '$cpu'" >> $cross
1928             ;;
1929     esac
1930     echo "cpu = '$cpu'" >> $cross
1931     if test "$bigendian" = "yes" ; then
1932         echo "endian = 'big'" >> $cross
1933     else
1934         echo "endian = 'little'" >> $cross
1935     fi
1936   else
1937     cross_arg="--native-file config-meson.cross"
1938   fi
1939   mv $cross config-meson.cross
1940
1941   rm -rf meson-private meson-info meson-logs
1942
1943   # Built-in options
1944   test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload"
1945   test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
1946   test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1947   test "$static" = yes && meson_option_add -Dprefer_static=true
1948   test "$pie" = no && meson_option_add -Db_pie=false
1949   test "$werror" = yes && meson_option_add -Dwerror=true
1950
1951   # QEMU options
1952   test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
1953   test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1954   test "$fdt" != auto && meson_option_add "-Dfdt=$fdt"
1955   test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1956   test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
1957   test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
1958   test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1959   test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server"
1960   run_meson() {
1961     NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
1962   }
1963   eval run_meson $meson_options
1964   if test "$?" -ne 0 ; then
1965       error_exit "meson setup failed"
1966   fi
1967 else
1968   if test -f meson-private/cmd_line.txt; then
1969     # Adjust old command line options that were removed
1970     # sed -i is not portable
1971     perl -i -ne '
1972       /^sphinx_build/ && next;
1973       print;' meson-private/cmd_line.txt
1974   fi
1975 fi
1976
1977 # Save the configure command line for later reuse.
1978 cat <<EOD >config.status
1979 #!/bin/sh
1980 # Generated by configure.
1981 # Run this file to recreate the current configuration.
1982 # Compiler output produced by configure, useful for debugging
1983 # configure, is in config.log if it exists.
1984 EOD
1985
1986 preserve_env() {
1987     envname=$1
1988
1989     eval envval=\$$envname
1990
1991     if test -n "$envval"
1992     then
1993         echo "$envname='$envval'" >> config.status
1994         echo "export $envname" >> config.status
1995     else
1996         echo "unset $envname" >> config.status
1997     fi
1998 }
1999
2000 # Preserve various env variables that influence what
2001 # features/build target configure will detect
2002 preserve_env AR
2003 preserve_env AS
2004 preserve_env CC
2005 preserve_env CFLAGS
2006 preserve_env CXX
2007 preserve_env CXXFLAGS
2008 preserve_env LD
2009 preserve_env LDFLAGS
2010 preserve_env LD_LIBRARY_PATH
2011 preserve_env NM
2012 preserve_env OBJCFLAGS
2013 preserve_env OBJCOPY
2014 preserve_env PATH
2015 preserve_env PKG_CONFIG
2016 preserve_env PKG_CONFIG_LIBDIR
2017 preserve_env PKG_CONFIG_PATH
2018 preserve_env PYTHON
2019 preserve_env QEMU_GA_MANUFACTURER
2020 preserve_env QEMU_GA_DISTRO
2021 preserve_env QEMU_GA_VERSION
2022 preserve_env SDL2_CONFIG
2023 preserve_env SMBD
2024 preserve_env STRIP
2025 preserve_env WIDL
2026 preserve_env WINDRES
2027 preserve_env WINDMC
2028
2029 printf "exec" >>config.status
2030 for i in "$0" "$@"; do
2031   test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
2032 done
2033 echo ' "$@"' >>config.status
2034 chmod +x config.status
2035
2036 rm -r "$TMPDIR1"