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 pypi="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=*) git="$optarg"
 755   ;;
 756   --with-git-submodules=*)
 757       git_submodules_action="$optarg"
 758   ;;
 759   --disable-pypi) pypi="disabled"
 760   ;;
 761   --enable-pypi) pypi="enabled"
 762   ;;
 763   --enable-plugins) if test "$mingw32" = "yes"; then
 764                         error_exit "TCG plugins not currently supported on Windows platforms"
 765                     else
 766                         plugins="yes"
 767                     fi
 768   ;;
 769   --disable-plugins) plugins="no"
 770   ;;
 771   --enable-containers) use_containers="yes"
 772   ;;
 773   --disable-containers) use_containers="no"
 774   ;;
 775   --gdb=*) gdb_bin="$optarg"
 776   ;;
 777   --enable-vfio-user-server) vfio_user_server="enabled"
 778   ;;
 779   --disable-vfio-user-server) vfio_user_server="disabled"
 780   ;;
 781   # everything else has the same name in configure and meson
 782   --*) meson_option_parse "$opt" "$optarg"
 783   ;;
 784   esac
 785 done
 786
 787 # test for any invalid configuration combinations
 788 if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
 789     error_exit "Can't enable plugins on non-TCG builds"
 790 fi
 791
 792 case $git_submodules_action in
 793     update|validate)
 794         if test ! -e "$source_path/.git"; then
 795             echo "ERROR: cannot $git_submodules_action git submodules without .git"
 796             exit 1
 797         fi
 798     ;;
 799     ignore)
 800         if ! test -f "$source_path/subprojects/keycodemapdb/README"
 801         then
 802             echo
 803             echo "ERROR: missing GIT submodules"
 804             echo
 805             if test -e "$source_path/.git"; then
 806                 echo "--with-git-submodules=ignore specified but submodules were not"
 807                 echo "checked out.  Please initialize and update submodules."
 808             else
 809                 echo "This is not a GIT checkout but module content appears to"
 810                 echo "be missing. Do not use 'git archive' or GitHub download links"
 811                 echo "to acquire QEMU source archives. Non-GIT builds are only"
 812                 echo "supported with source archives linked from:"
 813                 echo
 814                 echo "  https://www.qemu.org/download/#source"
 815                 echo
 816                 echo "Developers working with GIT can use scripts/archive-source.sh"
 817                 echo "if they need to create valid source archives."
 818             fi
 819             echo
 820             exit 1
 821         fi
 822     ;;
 823     *)
 824         echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'"
 825         exit 1
 826     ;;
 827 esac
 828
 829 default_target_list=""
 830 mak_wilds=""
 831
 832 if [ "$linux_user" != no ]; then
 833     if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then
 834         linux_user=yes
 835     elif [ "$linux_user" = yes ]; then
 836         error_exit "linux-user not supported on this architecture"
 837     fi
 838 fi
 839 if [ "$bsd_user" != no ]; then
 840     if [ "$bsd_user" = "" ]; then
 841         test $targetos = freebsd && bsd_user=yes
 842     fi
 843     if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
 844         error_exit "bsd-user not supported on this host OS"
 845     fi
 846 fi
 847 if [ "$softmmu" = "yes" ]; then
 848     mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
 849 fi
 850 if [ "$linux_user" = "yes" ]; then
 851     mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
 852 fi
 853 if [ "$bsd_user" = "yes" ]; then
 854     mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
 855 fi
 856
 857 for config in $mak_wilds; do
 858     target="$(basename "$config" .mak)"
 859     if echo "$target_list_exclude" | grep -vq "$target"; then
 860         default_target_list="${default_target_list} $target"
 861     fi
 862 done
 863
 864 if test x"$show_help" = x"yes" ; then
 865 cat << EOF
 866
 867 Usage: configure [options]
 868 Options: [defaults in brackets after descriptions]
 869
 870 Standard options:
 871   --help                   print this message
 872   --prefix=PREFIX          install in PREFIX [$prefix]
 873   --target-list=LIST       set target list (default: build all)
 874 $(echo Available targets: $default_target_list | \
 875   fold -s -w 53 | sed -e 's/^/                           /')
 876   --target-list-exclude=LIST exclude a set of targets from the default target-list
 877
 878 Advanced options (experts only):
 879   --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
 880   --cc=CC                  use C compiler CC [$cc]
 881   --host-cc=CC             use C compiler CC [$host_cc] for code run at
 882                            build time
 883   --cxx=CXX                use C++ compiler CXX [$cxx]
 884   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
 885   --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
 886   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
 887   --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
 888   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
 889   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
 890   --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
 891   --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
 892   --python=PYTHON          use specified python [$python]
 893   --ninja=NINJA            use specified ninja [$ninja]
 894   --smbd=SMBD              use specified smbd [$smbd]
 895   --with-git=GIT           use specified git [$git]
 896   --with-git-submodules=update   update git submodules (default if .git dir exists)
 897   --with-git-submodules=validate fail if git submodules are not up to date
 898   --with-git-submodules=ignore   do not update or check git submodules (default if no .git dir)
 899   --static                 enable static build [$static]
 900   --bindir=PATH            install binaries in PATH
 901   --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
 902   --without-default-features default all --enable-* options to "disabled"
 903   --without-default-devices  do not include any device that is not needed to
 904                            start the emulator (only use if you are including
 905                            desired devices in configs/devices/)
 906   --with-devices-ARCH=NAME override default configs/devices
 907   --enable-debug           enable common debug build options
 908   --disable-werror         disable compilation abort on warning
 909   --cpu=CPU                Build for host CPU [$cpu]
 910   --enable-plugins
 911                            enable plugins via shared library loading
 912   --disable-containers     don't use containers for cross-building
 913   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
 914 EOF
 915   meson_options_help
 916 cat << EOF
 917   system          all system emulation targets
 918   user            supported user emulation targets
 919   linux-user      all linux usermode emulation targets
 920   bsd-user        all BSD usermode emulation targets
 921   pie             Position Independent Executables
 922   debug-tcg       TCG debugging (default is disabled)
 923
 924 NOTE: The object files are built at the place where configure is launched
 925 EOF
 926 exit 0
 927 fi
 928
 929 # Remove old dependency files to make sure that they get properly regenerated
 930 rm -f ./*/config-devices.mak.d
 931
 932 if test -z "$python"
 933 then
 934     # If first_python is set, there was a binary somewhere even though
 935     # it was not suitable.  Use it for the error message.
 936     if test -n "$first_python"; then
 937         error_exit "Cannot use '$first_python', Python >= 3.7 is required." \
 938             "Use --python=/path/to/python to specify a supported Python."
 939     else
 940         error_exit "Python not found. Use --python=/path/to/python"
 941     fi
 942 fi
 943
 944 if ! check_py_version "$python"; then
 945   error_exit "Cannot use '$python', Python >= 3.7 is required." \
 946              "Use --python=/path/to/python to specify a supported Python." \
 947              "Maybe try:" \
 948              "  openSUSE Leap 15.3+: zypper install python39" \
 949              "  CentOS 8: dnf install python38"
 950 fi
 951
 952 # Resolve PATH
 953 python="$(command -v "$python")"
 954
 955 # Create a Python virtual environment using our configured python.
 956 # The stdout of this script will be the location of a symlink that
 957 # points to the configured Python.
 958 # Entry point scripts for pip, meson, and sphinx are generated if those
 959 # packages are present.
 960
 961 # Defaults assumed for now:
 962 # - venv is cleared if it exists already;
 963 # - venv is allowed to use system packages;
 964 # - all setup can be performed offline;
 965 # - missing packages may be fetched from PyPI,
 966 #   unless --disable-pypi is passed.
 967 # - pip is not installed into the venv when possible,
 968 #   but ensurepip is called as a fallback when necessary.
 969
 970 echo "python determined to be '$python'"
 971 echo "python version: $($python --version)"
 972
 973 python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
 974 if test "$?" -ne 0 ; then
 975     error_exit "python venv creation failed"
 976 fi
 977
 978 # Suppress writing compiled files
 979 python="$python -B"
 980 mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
 981
 982 mkvenv_flags=""
 983 if test "$pypi" = "enabled" ; then
 984     mkvenv_flags="--online"
 985 fi
 986
 987 if ! $mkvenv ensure \
 988      $mkvenv_flags \
 989      --dir "${source_path}/python/wheels" \
 990      --diagnose "meson" \
 991      "meson>=0.63.0" ;
 992 then
 993     exit 1
 994 fi
 995
 996 # At this point, we expect Meson to be installed and available.
 997 # We expect mkvenv or pip to have created pyvenv/bin/meson for us.
 998 # We ignore PATH completely here: we want to use the venv's Meson
 999 # *exclusively*.
1000
1001 meson="$(cd pyvenv/bin; pwd)/meson"
1002
1003 # Conditionally ensure Sphinx is installed.
1004
1005 mkvenv_flags=""
1006 if test "$pypi" = "enabled" -a "$docs" = "enabled" ; then
1007     mkvenv_flags="--online"
1008 fi
1009
1010 if test "$docs" != "disabled" ; then
1011     if ! $mkvenv ensure \
1012          $mkvenv_flags \
1013          --diagnose "sphinx-build" \
1014          "sphinx>=1.6.0" "sphinx-rtd-theme>=0.5.0";
1015     then
1016         if test "$docs" = "enabled" ; then
1017             exit 1
1018         fi
1019         echo "Sphinx not found/usable, disabling docs."
1020         docs=disabled
1021     else
1022         docs=enabled
1023     fi
1024 fi
1025
1026 # Probe for ninja
1027
1028 if test -z "$ninja"; then
1029     for c in ninja ninja-build samu; do
1030         if has $c; then
1031             ninja=$(command -v "$c")
1032             break
1033         fi
1034     done
1035     if test -z "$ninja"; then
1036       error_exit "Cannot find Ninja"
1037     fi
1038 fi
1039
1040 # Consult white-list to determine whether to enable werror
1041 # by default.  Only enable by default for git builds
1042 if test -z "$werror" ; then
1043     if test "$git_submodules_action" != "ignore" && \
1044         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1045         werror="yes"
1046     else
1047         werror="no"
1048     fi
1049 fi
1050
1051 if test "$targetos" = "bogus"; then
1052     # Now that we know that we're not printing the help and that
1053     # the compiler works (so the results of the check_defines we used
1054     # to identify the OS are reliable), if we didn't recognize the
1055     # host OS we should stop now.
1056     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1057 fi
1058
1059 if test "$static" = "yes" ; then
1060   if test "$plugins" = "yes"; then
1061     error_exit "static and plugins are mutually incompatible"
1062   else
1063     plugins="no"
1064   fi
1065 fi
1066 test "$plugins" = "" && plugins=yes
1067
1068 cat > $TMPC << EOF
1069
1070 #ifdef __linux__
1071 #  define THREAD __thread
1072 #else
1073 #  define THREAD
1074 #endif
1075 static THREAD int tls_var;
1076 int main(void) { return tls_var; }
1077 EOF
1078
1079 if test "$static" = "yes"; then
1080   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1081     pie="yes"
1082   elif test "$pie" = "yes"; then
1083     error_exit "-static-pie not available due to missing toolchain support"
1084   else
1085     pie="no"
1086   fi
1087 elif test "$pie" != "no"; then
1088   if compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1089     pie="yes"
1090   elif test "$pie" = "yes"; then
1091     error_exit "PIE not available due to missing toolchain support"
1092   else
1093     echo "Disabling PIE due to missing toolchain support"
1094     pie="no"
1095   fi
1096 fi
1097
1098 ##########################################
1099
1100 if test -z "${target_list+xxx}" ; then
1101     default_targets=yes
1102     for target in $default_target_list; do
1103         target_list="$target_list $target"
1104     done
1105     target_list="${target_list# }"
1106 else
1107     default_targets=no
1108     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1109     for target in $target_list; do
1110         # Check that we recognised the target name; this allows a more
1111         # friendly error message than if we let it fall through.
1112         case " $default_target_list " in
1113             *" $target "*)
1114                 ;;
1115             *)
1116                 error_exit "Unknown target name '$target'"
1117                 ;;
1118         esac
1119     done
1120 fi
1121
1122 # see if system emulation was really requested
1123 case " $target_list " in
1124   *"-softmmu "*) softmmu=yes
1125   ;;
1126   *) softmmu=no
1127   ;;
1128 esac
1129
1130 if test "$tcg" = "auto"; then
1131   if test -z "$target_list"; then
1132     tcg="disabled"
1133   else
1134     tcg="enabled"
1135   fi
1136 fi
1137
1138 if test "$tcg" = "enabled"; then
1139     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
1140     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
1141 fi
1142
1143 ##########################################
1144 # big/little endian test
1145 cat > $TMPC << EOF
1146 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1147 # error LITTLE
1148 #endif
1149 int main(void) { return 0; }
1150 EOF
1151
1152 if ! compile_prog ; then
1153   bigendian="no"
1154 else
1155   cat > $TMPC << EOF
1156 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1157 # error BIG
1158 #endif
1159 int main(void) { return 0; }
1160 EOF
1161
1162   if ! compile_prog ; then
1163     bigendian="yes"
1164   else
1165     echo big/little test failed
1166     exit 1
1167   fi
1168 fi
1169
1170 ##########################################
1171 # fdt probe
1172
1173 case "$fdt" in
1174   auto | enabled | internal)
1175     # Simpler to always update submodule, even if not needed.
1176     git_submodules="${git_submodules} subprojects/dtc"
1177     ;;
1178 esac
1179
1180 ########################################
1181 # check if ccache is interfering with
1182 # semantic analysis of macros
1183
1184 unset CCACHE_CPP2
1185 ccache_cpp2=no
1186 cat > $TMPC << EOF
1187 static const int Z = 1;
1188 #define fn() ({ Z; })
1189 #define TAUT(X) ((X) == Z)
1190 #define PAREN(X, Y) (X == Y)
1191 #define ID(X) (X)
1192 int main(void)
1193 {
1194     int x = 0, y = 0;
1195     x = ID(x);
1196     x = fn();
1197     fn();
1198     if (PAREN(x, y)) return 0;
1199     if (TAUT(Z)) return 0;
1200     return 0;
1201 }
1202 EOF
1203
1204 if ! compile_object "-Werror"; then
1205     ccache_cpp2=yes
1206 fi
1207
1208 ##########################################
1209 # functions to probe cross compilers
1210
1211 container="no"
1212 runc=""
1213 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1214     case $($python "$source_path"/tests/docker/docker.py probe) in
1215         *docker) container=docker ;;
1216         podman) container=podman ;;
1217         no) container=no ;;
1218     esac
1219     if test "$container" != "no"; then
1220         docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1221         runc=$($python "$source_path"/tests/docker/docker.py probe)
1222     fi
1223 fi
1224
1225 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1226 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1227 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1228 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1229 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1230 : ${cross_prefix_armeb="$cross_prefix_arm"}
1231 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1232 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1233 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1234 : ${cross_prefix_i386="i686-linux-gnu-"}
1235 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1236 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1237 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1238 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1239 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1240 : ${cross_prefix_mips="mips-linux-gnu-"}
1241 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1242 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1243 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1244 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1245 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1246 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1247 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1248 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1249 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1250 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1251
1252 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1253 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1254 : ${cross_cc_armeb="$cross_cc_arm"}
1255 : ${cross_cc_cflags_armeb="-mbig-endian"}
1256 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1257 : ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1258 : ${cross_cc_cflags_i386="-m32"}
1259 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1260 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1261 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1262 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1263 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1264 : ${cross_cc_sparc="$cross_cc_sparc64"}
1265 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1266 : ${cross_cc_cflags_x86_64="-m64"}
1267
1268 compute_target_variable() {
1269   eval "$2="
1270   if eval test -n "\"\${cross_prefix_$1}\""; then
1271     if eval has "\"\${cross_prefix_$1}\$3\""; then
1272       eval "$2=\"\${cross_prefix_$1}\$3\""
1273     fi
1274   fi
1275 }
1276
1277 have_target() {
1278   for i; do
1279     case " $target_list " in
1280       *" $i "*) return 0;;
1281       *) ;;
1282     esac
1283   done
1284   return 1
1285 }
1286
1287 # probe_target_compiler TARGET
1288 #
1289 # Look for a compiler for the given target, either native or cross.
1290 # Set variables target_* if a compiler is found, and container_cross_*
1291 # if a Docker-based cross-compiler image is known for the target.
1292 # Set got_cross_cc to yes/no depending on whether a non-container-based
1293 # compiler was found.
1294 #
1295 # If TARGET is a user-mode emulation target, also set build_static to
1296 # "y" if static linking is possible.
1297 #
1298 probe_target_compiler() {
1299   # reset all output variables
1300   got_cross_cc=no
1301   container_image=
1302   container_hosts=
1303   container_cross_cc=
1304   container_cross_ar=
1305   container_cross_as=
1306   container_cross_ld=
1307   container_cross_nm=
1308   container_cross_objcopy=
1309   container_cross_ranlib=
1310   container_cross_strip=
1311
1312   target_arch=${1%%-*}
1313   case $target_arch in
1314     aarch64) container_hosts="x86_64 aarch64" ;;
1315     alpha) container_hosts=x86_64 ;;
1316     arm) container_hosts="x86_64 aarch64" ;;
1317     cris) container_hosts=x86_64 ;;
1318     hexagon) container_hosts=x86_64 ;;
1319     hppa) container_hosts=x86_64 ;;
1320     i386) container_hosts=x86_64 ;;
1321     loongarch64) container_hosts=x86_64 ;;
1322     m68k) container_hosts=x86_64 ;;
1323     microblaze) container_hosts=x86_64 ;;
1324     mips64el) container_hosts=x86_64 ;;
1325     mips64) container_hosts=x86_64 ;;
1326     mipsel) container_hosts=x86_64 ;;
1327     mips) container_hosts=x86_64 ;;
1328     nios2) container_hosts=x86_64 ;;
1329     ppc) container_hosts=x86_64 ;;
1330     ppc64|ppc64le) container_hosts=x86_64 ;;
1331     riscv64) container_hosts=x86_64 ;;
1332     s390x) container_hosts=x86_64 ;;
1333     sh4) container_hosts=x86_64 ;;
1334     sparc64) container_hosts=x86_64 ;;
1335     tricore) container_hosts=x86_64 ;;
1336     x86_64) container_hosts="aarch64 ppc64el x86_64" ;;
1337     xtensa*) container_hosts=x86_64 ;;
1338   esac
1339
1340   for host in $container_hosts; do
1341     test "$container" != no || continue
1342     test "$host" = "$cpu" || continue
1343     case $target_arch in
1344       aarch64)
1345         # We don't have any bigendian build tools so we only use this for AArch64
1346         container_image=debian-arm64-cross
1347         container_cross_prefix=aarch64-linux-gnu-
1348         container_cross_cc=${container_cross_prefix}gcc-10
1349         ;;
1350       alpha)
1351         container_image=debian-alpha-cross
1352         container_cross_prefix=alpha-linux-gnu-
1353         ;;
1354       arm)
1355         # We don't have any bigendian build tools so we only use this for ARM
1356         container_image=debian-armhf-cross
1357         container_cross_prefix=arm-linux-gnueabihf-
1358         ;;
1359       cris)
1360         container_image=fedora-cris-cross
1361         container_cross_prefix=cris-linux-gnu-
1362         ;;
1363       hexagon)
1364         container_image=debian-hexagon-cross
1365         container_cross_prefix=hexagon-unknown-linux-musl-
1366         container_cross_cc=${container_cross_prefix}clang
1367         ;;
1368       hppa)
1369         container_image=debian-hppa-cross
1370         container_cross_prefix=hppa-linux-gnu-
1371         ;;
1372       i386)
1373         container_image=fedora-i386-cross
1374         container_cross_prefix=
1375         ;;
1376       loongarch64)
1377         container_image=debian-loongarch-cross
1378         container_cross_prefix=loongarch64-unknown-linux-gnu-
1379         ;;
1380       m68k)
1381         container_image=debian-m68k-cross
1382         container_cross_prefix=m68k-linux-gnu-
1383         ;;
1384       microblaze)
1385         container_image=debian-microblaze-cross
1386         container_cross_prefix=microblaze-linux-musl-
1387         ;;
1388       mips64el)
1389         container_image=debian-mips64el-cross
1390         container_cross_prefix=mips64el-linux-gnuabi64-
1391         ;;
1392       mips64)
1393         container_image=debian-mips64-cross
1394         container_cross_prefix=mips64-linux-gnuabi64-
1395         ;;
1396       mipsel)
1397         container_image=debian-mipsel-cross
1398         container_cross_prefix=mipsel-linux-gnu-
1399         ;;
1400       mips)
1401         container_image=debian-mips-cross
1402         container_cross_prefix=mips-linux-gnu-
1403         ;;
1404       nios2)
1405         container_image=debian-nios2-cross
1406         container_cross_prefix=nios2-linux-gnu-
1407         ;;
1408       ppc)
1409         container_image=debian-powerpc-test-cross
1410         container_cross_prefix=powerpc-linux-gnu-
1411         container_cross_cc=${container_cross_prefix}gcc-10
1412         ;;
1413       ppc64|ppc64le)
1414         container_image=debian-powerpc-test-cross
1415         container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1416         container_cross_cc=${container_cross_prefix}gcc-10
1417         ;;
1418       riscv64)
1419         container_image=debian-riscv64-test-cross
1420         container_cross_prefix=riscv64-linux-gnu-
1421         ;;
1422       s390x)
1423         container_image=debian-s390x-cross
1424         container_cross_prefix=s390x-linux-gnu-
1425         ;;
1426       sh4)
1427         container_image=debian-sh4-cross
1428         container_cross_prefix=sh4-linux-gnu-
1429         ;;
1430       sparc64)
1431         container_image=debian-sparc64-cross
1432         container_cross_prefix=sparc64-linux-gnu-
1433         ;;
1434       tricore)
1435         container_image=debian-tricore-cross
1436         container_cross_prefix=tricore-
1437         container_cross_as=tricore-as
1438         container_cross_ld=tricore-ld
1439         break
1440         ;;
1441       x86_64)
1442         container_image=debian-amd64-cross
1443         container_cross_prefix=x86_64-linux-gnu-
1444         ;;
1445       xtensa*)
1446         container_hosts=x86_64
1447         container_image=debian-xtensa-cross
1448
1449         # default to the dc232b cpu
1450         container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1451         ;;
1452     esac
1453     : ${container_cross_cc:=${container_cross_prefix}gcc}
1454     : ${container_cross_ar:=${container_cross_prefix}ar}
1455     : ${container_cross_as:=${container_cross_prefix}as}
1456     : ${container_cross_ld:=${container_cross_prefix}ld}
1457     : ${container_cross_nm:=${container_cross_prefix}nm}
1458     : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1459     : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1460     : ${container_cross_strip:=${container_cross_prefix}strip}
1461   done
1462
1463   try=cross
1464   case "$target_arch:$cpu" in
1465     aarch64_be:aarch64 | \
1466     armeb:arm | \
1467     i386:x86_64 | \
1468     mips*:mips64 | \
1469     ppc*:ppc64 | \
1470     sparc:sparc64 | \
1471     "$cpu:$cpu")
1472       try='native cross' ;;
1473   esac
1474   eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1475   for thistry in $try; do
1476     case $thistry in
1477     native)
1478       target_cc=$cc
1479       target_ccas=$ccas
1480       target_ar=$ar
1481       target_as=$as
1482       target_ld=$ld
1483       target_nm=$nm
1484       target_objcopy=$objcopy
1485       target_ranlib=$ranlib
1486       target_strip=$strip
1487       ;;
1488     cross)
1489       target_cc=
1490       if eval test -n "\"\${cross_cc_$target_arch}\""; then
1491         if eval has "\"\${cross_cc_$target_arch}\""; then
1492           eval "target_cc=\"\${cross_cc_$target_arch}\""
1493         fi
1494       else
1495         compute_target_variable $target_arch target_cc gcc
1496       fi
1497       target_ccas=$target_cc
1498       compute_target_variable $target_arch target_ar ar
1499       compute_target_variable $target_arch target_as as
1500       compute_target_variable $target_arch target_ld ld
1501       compute_target_variable $target_arch target_nm nm
1502       compute_target_variable $target_arch target_objcopy objcopy
1503       compute_target_variable $target_arch target_ranlib ranlib
1504       compute_target_variable $target_arch target_strip strip
1505       ;;
1506     esac
1507
1508     if test -n "$target_cc"; then
1509       case $target_arch in
1510         i386|x86_64)
1511           if $target_cc --version | grep -qi "clang"; then
1512             continue
1513           fi
1514           ;;
1515       esac
1516     elif test -n "$target_as" && test -n "$target_ld"; then
1517       # Special handling for assembler only targets
1518       case $target in
1519         tricore-softmmu)
1520           build_static=
1521           got_cross_cc=yes
1522           break
1523           ;;
1524         *)
1525           continue
1526           ;;
1527       esac
1528     else
1529       continue
1530     fi
1531
1532     write_c_skeleton
1533     case $1 in
1534       *-softmmu)
1535         if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1536           do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1537           got_cross_cc=yes
1538           break
1539         fi
1540         ;;
1541       *)
1542         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1543           build_static=y
1544           got_cross_cc=yes
1545           break
1546         fi
1547         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1548           build_static=
1549           got_cross_cc=yes
1550           break
1551         fi
1552         ;;
1553     esac
1554   done
1555   if test $got_cross_cc != yes; then
1556     build_static=
1557     target_cc=
1558     target_ccas=
1559     target_ar=
1560     target_as=
1561     target_ld=
1562     target_nm=
1563     target_objcopy=
1564     target_ranlib=
1565     target_strip=
1566   fi
1567   test -n "$target_cc"
1568 }
1569
1570 write_target_makefile() {
1571   echo "EXTRA_CFLAGS=$target_cflags"
1572   if test -z "$target_cc" && test -z "$target_as"; then
1573     test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1574     echo "$1: docker-image-$container_image" >> Makefile.prereqs
1575     if test -n "$container_cross_cc"; then
1576       echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1577       echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1578     fi
1579     echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1580     echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1581     echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1582     echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1583     echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1584     echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1585     echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1586   else
1587     if test -n "$target_cc"; then
1588       echo "CC=$target_cc"
1589       echo "CCAS=$target_ccas"
1590     fi
1591     if test -n "$target_ar"; then
1592       echo "AR=$target_ar"
1593     fi
1594     if test -n "$target_as"; then
1595       echo "AS=$target_as"
1596     fi
1597     if test -n "$target_ld"; then
1598       echo "LD=$target_ld"
1599     fi
1600     if test -n "$target_nm"; then
1601       echo "NM=$target_nm"
1602     fi
1603     if test -n "$target_objcopy"; then
1604       echo "OBJCOPY=$target_objcopy"
1605     fi
1606     if test -n "$target_ranlib"; then
1607       echo "RANLIB=$target_ranlib"
1608     fi
1609     if test -n "$target_strip"; then
1610       echo "STRIP=$target_strip"
1611     fi
1612   fi
1613 }
1614
1615 ##########################################
1616 # check for vfio_user_server
1617
1618 case "$vfio_user_server" in
1619   enabled )
1620     if test "$git_submodules_action" != "ignore"; then
1621       git_submodules="${git_submodules} subprojects/libvfio-user"
1622     fi
1623     ;;
1624 esac
1625
1626 #######################################
1627 # cross-compiled firmware targets
1628
1629 # Set up build tree symlinks that point back into the source tree
1630 # (these can be both files and directories).
1631 # Caution: avoid adding files or directories here using wildcards. This
1632 # will result in problems later if a new file matching the wildcard is
1633 # added to the source tree -- nothing will cause configure to be rerun
1634 # so the build tree will be missing the link back to the new file, and
1635 # tests might fail. Prefer to keep the relevant files in their own
1636 # directory and symlink the directory instead.
1637 LINKS="Makefile"
1638 LINKS="$LINKS docs/config"
1639 LINKS="$LINKS pc-bios/optionrom/Makefile"
1640 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1641 LINKS="$LINKS pc-bios/vof/Makefile"
1642 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1643 LINKS="$LINKS tests/avocado tests/data"
1644 LINKS="$LINKS tests/qemu-iotests/check"
1645 LINKS="$LINKS python"
1646 LINKS="$LINKS contrib/plugins/Makefile "
1647 for f in $LINKS ; do
1648     if [ -e "$source_path/$f" ]; then
1649         symlink "$source_path/$f" "$f"
1650     fi
1651 done
1652
1653 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1654
1655 # Mac OS X ships with a broken assembler
1656 roms=
1657 if have_target i386-softmmu x86_64-softmmu && \
1658         test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
1659         test "$targetos" != "haiku" && \
1660         probe_target_compiler i386-softmmu; then
1661     roms="pc-bios/optionrom"
1662     config_mak=pc-bios/optionrom/config.mak
1663     echo "# Automatically generated by configure - do not modify" > $config_mak
1664     echo "TOPSRC_DIR=$source_path" >> $config_mak
1665     write_target_makefile >> $config_mak
1666 fi
1667
1668 if have_target ppc-softmmu ppc64-softmmu && \
1669         probe_target_compiler ppc-softmmu; then
1670     roms="$roms pc-bios/vof"
1671     config_mak=pc-bios/vof/config.mak
1672     echo "# Automatically generated by configure - do not modify" > $config_mak
1673     echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1674     write_target_makefile >> $config_mak
1675 fi
1676
1677 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1678 # (which is the lowest architecture level that Clang supports)
1679 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then
1680   write_c_skeleton
1681   do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1682   has_z900=$?
1683   if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1684     if [ $has_z900 != 0 ]; then
1685       echo "WARNING: Your compiler does not support the z900!"
1686       echo "         The s390-ccw bios will only work with guest CPUs >= z10."
1687     fi
1688     roms="$roms pc-bios/s390-ccw"
1689     config_mak=pc-bios/s390-ccw/config-host.mak
1690     echo "# Automatically generated by configure - do not modify" > $config_mak
1691     echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1692     write_target_makefile >> $config_mak
1693     # SLOF is required for building the s390-ccw firmware on s390x,
1694     # since it is using the libnet code from SLOF for network booting.
1695     git_submodules="${git_submodules} roms/SLOF"
1696   fi
1697 fi
1698
1699 #######################################
1700 # generate config-host.mak
1701
1702 if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then
1703     exit 1
1704 fi
1705
1706 config_host_mak="config-host.mak"
1707
1708 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1709 echo >> $config_host_mak
1710
1711 echo all: >> $config_host_mak
1712 echo "GIT=$git" >> $config_host_mak
1713 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
1714 echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak
1715
1716 if test "$debug_tcg" = "yes" ; then
1717   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
1718 fi
1719 if test "$mingw32" = "yes" ; then
1720   echo "CONFIG_WIN32=y" >> $config_host_mak
1721   echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak
1722   echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak
1723   echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak
1724 else
1725   echo "CONFIG_POSIX=y" >> $config_host_mak
1726 fi
1727
1728 if test "$linux" = "yes" ; then
1729   echo "CONFIG_LINUX=y" >> $config_host_mak
1730 fi
1731
1732 if test "$darwin" = "yes" ; then
1733   echo "CONFIG_DARWIN=y" >> $config_host_mak
1734 fi
1735
1736 if test "$solaris" = "yes" ; then
1737   echo "CONFIG_SOLARIS=y" >> $config_host_mak
1738 fi
1739 echo "SRC_PATH=$source_path" >> $config_host_mak
1740 echo "TARGET_DIRS=$target_list" >> $config_host_mak
1741
1742 # XXX: suppress that
1743 if [ "$bsd" = "yes" ] ; then
1744   echo "CONFIG_BSD=y" >> $config_host_mak
1745 fi
1746
1747 if test "$plugins" = "yes" ; then
1748     echo "CONFIG_PLUGIN=y" >> $config_host_mak
1749 fi
1750
1751 if test -n "$gdb_bin"; then
1752     gdb_version=$($gdb_bin --version | head -n 1)
1753     if version_ge ${gdb_version##* } 9.1; then
1754         echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1755         gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1756     else
1757         gdb_bin=""
1758     fi
1759 fi
1760
1761 if test "$container" != no; then
1762     echo "ENGINE=$container" >> $config_host_mak
1763     echo "RUNC=$runc" >> $config_host_mak
1764 fi
1765 echo "ROMS=$roms" >> $config_host_mak
1766 echo "PYTHON=$python" >> $config_host_mak
1767 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1768 echo "MESON=$meson" >> $config_host_mak
1769 echo "NINJA=$ninja" >> $config_host_mak
1770 echo "PKG_CONFIG=${pkg_config}" >> $config_host_mak
1771 echo "CC=$cc" >> $config_host_mak
1772 echo "EXESUF=$EXESUF" >> $config_host_mak
1773
1774 # use included Linux headers
1775 if test "$linux" = "yes" ; then
1776   mkdir -p linux-headers
1777   case "$cpu" in
1778   i386|x86_64)
1779     linux_arch=x86
1780     ;;
1781   ppc|ppc64)
1782     linux_arch=powerpc
1783     ;;
1784   s390x)
1785     linux_arch=s390
1786     ;;
1787   aarch64)
1788     linux_arch=arm64
1789     ;;
1790   loongarch*)
1791     linux_arch=loongarch
1792     ;;
1793   mips64)
1794     linux_arch=mips
1795     ;;
1796   *)
1797     # For most CPUs the kernel architecture name and QEMU CPU name match.
1798     linux_arch="$cpu"
1799     ;;
1800   esac
1801     # For non-KVM architectures we will not have asm headers
1802     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
1803       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1804     fi
1805 fi
1806
1807 for target in $target_list; do
1808     target_dir="$target"
1809     target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
1810     mkdir -p "$target_dir"
1811     case $target in
1812         *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
1813         *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
1814     esac
1815 done
1816
1817 if test "$default_targets" = "yes"; then
1818   echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1819 fi
1820
1821 if test "$ccache_cpp2" = "yes"; then
1822   echo "export CCACHE_CPP2=y" >> $config_host_mak
1823 fi
1824
1825 # tests/tcg configuration
1826 (config_host_mak=tests/tcg/config-host.mak
1827 mkdir -p tests/tcg
1828 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1829 echo "SRC_PATH=$source_path" >> $config_host_mak
1830 echo "HOST_CC=$host_cc" >> $config_host_mak
1831
1832 # versioned checked in the main config_host.mak above
1833 if test -n "$gdb_bin"; then
1834     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1835 fi
1836 if test "$plugins" = "yes" ; then
1837     echo "CONFIG_PLUGIN=y" >> $config_host_mak
1838 fi
1839
1840 tcg_tests_targets=
1841 for target in $target_list; do
1842   arch=${target%%-*}
1843
1844   case $target in
1845     xtensa*-linux-user)
1846       # the toolchain is not complete with headers, only build softmmu tests
1847       continue
1848       ;;
1849     *-softmmu)
1850       test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1851       qemu="qemu-system-$arch"
1852       ;;
1853     *-linux-user|*-bsd-user)
1854       qemu="qemu-$arch"
1855       ;;
1856   esac
1857
1858   if probe_target_compiler $target || test -n "$container_image"; then
1859       test -n "$container_image" && build_static=y
1860       mkdir -p "tests/tcg/$target"
1861       config_target_mak=tests/tcg/$target/config-target.mak
1862       ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1863       echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1864       echo "TARGET_NAME=$arch" >> "$config_target_mak"
1865       echo "TARGET=$target" >> "$config_target_mak"
1866       write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1867       echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1868       echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1869
1870       # will GDB work with these binaries?
1871       if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1872           echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak"
1873       fi
1874
1875       echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1876       tcg_tests_targets="$tcg_tests_targets $target"
1877   fi
1878 done
1879
1880 if test "$tcg" = "enabled"; then
1881     echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
1882 fi
1883 )
1884
1885 if test "$skip_meson" = no; then
1886   cross="config-meson.cross.new"
1887   meson_quote() {
1888     test $# = 0 && return
1889     echo "'$(echo $* | sed "s/ /','/g")'"
1890   }
1891
1892   echo "# Automatically generated by configure - do not modify" > $cross
1893   echo "[properties]" >> $cross
1894
1895   # unroll any custom device configs
1896   for a in $device_archs; do
1897       eval "c=\$devices_${a}"
1898       echo "${a}-softmmu = '$c'" >> $cross
1899   done
1900
1901   echo "[built-in options]" >> $cross
1902   echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1903   echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1904   test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1905   echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1906   echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1907   echo "[binaries]" >> $cross
1908   echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1909   test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1910   test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1911   echo "ar = [$(meson_quote $ar)]" >> $cross
1912   echo "nm = [$(meson_quote $nm)]" >> $cross
1913   echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1914   echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1915   if has $sdl2_config; then
1916     echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1917   fi
1918   echo "strip = [$(meson_quote $strip)]" >> $cross
1919   echo "widl = [$(meson_quote $widl)]" >> $cross
1920   echo "windres = [$(meson_quote $windres)]" >> $cross
1921   echo "windmc = [$(meson_quote $windmc)]" >> $cross
1922   if test "$cross_compile" = "yes"; then
1923     cross_arg="--cross-file config-meson.cross"
1924     echo "[host_machine]" >> $cross
1925     echo "system = '$targetos'" >> $cross
1926     case "$cpu" in
1927         i386)
1928             echo "cpu_family = 'x86'" >> $cross
1929             ;;
1930         *)
1931             echo "cpu_family = '$cpu'" >> $cross
1932             ;;
1933     esac
1934     echo "cpu = '$cpu'" >> $cross
1935     if test "$bigendian" = "yes" ; then
1936         echo "endian = 'big'" >> $cross
1937     else
1938         echo "endian = 'little'" >> $cross
1939     fi
1940   else
1941     cross_arg="--native-file config-meson.cross"
1942   fi
1943   mv $cross config-meson.cross
1944
1945   rm -rf meson-private meson-info meson-logs
1946
1947   # Prevent meson from automatically downloading wrapped subprojects when missing.
1948   # You can use 'meson subprojects download' before running configure.
1949   meson_option_add "--wrap-mode=nodownload"
1950
1951   # Built-in options
1952   test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
1953   test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1954   test "$static" = yes && meson_option_add -Dprefer_static=true
1955   test "$pie" = no && meson_option_add -Db_pie=false
1956   test "$werror" = yes && meson_option_add -Dwerror=true
1957
1958   # QEMU options
1959   test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
1960   test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1961   test "$fdt" != auto && meson_option_add "-Dfdt=$fdt"
1962   test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1963   test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
1964   test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
1965   test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1966   test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server"
1967   run_meson() {
1968     NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
1969   }
1970   eval run_meson $meson_options
1971   if test "$?" -ne 0 ; then
1972       error_exit "meson setup failed"
1973   fi
1974 else
1975   if test -f meson-private/cmd_line.txt; then
1976     # Adjust old command line options that were removed
1977     # sed -i is not portable
1978     perl -i -ne '
1979       /^sphinx_build/ && next;
1980       print;' meson-private/cmd_line.txt
1981   fi
1982 fi
1983
1984 # Save the configure command line for later reuse.
1985 cat <<EOD >config.status
1986 #!/bin/sh
1987 # Generated by configure.
1988 # Run this file to recreate the current configuration.
1989 # Compiler output produced by configure, useful for debugging
1990 # configure, is in config.log if it exists.
1991 EOD
1992
1993 preserve_env() {
1994     envname=$1
1995
1996     eval envval=\$$envname
1997
1998     if test -n "$envval"
1999     then
2000         echo "$envname='$envval'" >> config.status
2001         echo "export $envname" >> config.status
2002     else
2003         echo "unset $envname" >> config.status
2004     fi
2005 }
2006
2007 # Preserve various env variables that influence what
2008 # features/build target configure will detect
2009 preserve_env AR
2010 preserve_env AS
2011 preserve_env CC
2012 preserve_env CFLAGS
2013 preserve_env CXX
2014 preserve_env CXXFLAGS
2015 preserve_env LD
2016 preserve_env LDFLAGS
2017 preserve_env LD_LIBRARY_PATH
2018 preserve_env NM
2019 preserve_env OBJCFLAGS
2020 preserve_env OBJCOPY
2021 preserve_env PATH
2022 preserve_env PKG_CONFIG
2023 preserve_env PKG_CONFIG_LIBDIR
2024 preserve_env PKG_CONFIG_PATH
2025 preserve_env PYTHON
2026 preserve_env QEMU_GA_MANUFACTURER
2027 preserve_env QEMU_GA_DISTRO
2028 preserve_env QEMU_GA_VERSION
2029 preserve_env SDL2_CONFIG
2030 preserve_env SMBD
2031 preserve_env STRIP
2032 preserve_env WIDL
2033 preserve_env WINDRES
2034 preserve_env WINDMC
2035
2036 printf "exec" >>config.status
2037 for i in "$0" "$@"; do
2038   test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
2039 done
2040 echo ' "$@"' >>config.status
2041 chmod +x config.status
2042
2043 rm -r "$TMPDIR1"