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.
   8 CLICOLOR_FORCE= GREP_OPTIONS=
   9 unset CLICOLOR_FORCE GREP_OPTIONS
  10
  11 # Don't allow CCACHE, if present, to use cached results of compile tests!
  12 export CCACHE_RECACHE=yes
  13
  14 # make source path absolute
  15 source_path=$(cd "$(dirname -- "$0")"; pwd)
  16
  17 if test "$PWD" = "$source_path"
  18 then
  19     echo "Using './build' as the directory for build output"
  20
  21     MARKER=build/auto-created-by-configure
  22
  23     if test -e build
  24     then
  25         if test -f $MARKER
  26         then
  27            rm -rf build
  28         else
  29             echo "ERROR: ./build dir already exists and was not previously created by configure"
  30             exit 1
  31         fi
  32     fi
  33
  34     if ! mkdir build || ! touch $MARKER
  35     then
  36         echo "ERROR: Could not create ./build directory. Check the permissions on"
  37         echo "your source directory, or try doing an out-of-tree build."
  38         exit 1
  39     fi
  40
  41     cat > GNUmakefile <<'EOF'
  42 # This file is auto-generated by configure to support in-source tree
  43 # 'make' command invocation
  44
  45 ifeq ($(MAKECMDGOALS),)
  46 recurse: all
  47 endif
  48
  49 .NOTPARALLEL: %
  50 %: force
  51         @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
  52         @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
  53         @if test "$(MAKECMDGOALS)" = "distclean" && \
  54             test -e build/auto-created-by-configure ; \
  55         then \
  56             rm -rf build GNUmakefile ; \
  57         fi
  58 force: ;
  59 .PHONY: force
  60 GNUmakefile: ;
  61
  62 EOF
  63     cd build
  64     exec "$source_path/configure" "$@"
  65 fi
  66
  67 # Temporary directory used for files created while
  68 # configure runs. Since it is in the build directory
  69 # we can safely blow away any previous version of it
  70 # (and we need not jump through hoops to try to delete
  71 # it when configure exits.)
  72 TMPDIR1="config-temp"
  73 rm -rf "${TMPDIR1}"
  74 if ! mkdir -p "${TMPDIR1}"; then
  75     echo "ERROR: failed to create temporary directory"
  76     exit 1
  77 fi
  78
  79 TMPB="qemu-conf"
  80 TMPC="${TMPDIR1}/${TMPB}.c"
  81 TMPO="${TMPDIR1}/${TMPB}.o"
  82 TMPM="${TMPDIR1}/${TMPB}.m"
  83 TMPE="${TMPDIR1}/${TMPB}.exe"
  84
  85 rm -f config.log
  86
  87 # Print a helpful header at the top of config.log
  88 echo "# QEMU configure log $(date)" >> config.log
  89 printf "# Configured with:" >> config.log
  90 # repeat the invocation to log and stdout for CI
  91 invoke=$(printf " '%s'" "$0" "$@")
  92 test -n "$GITLAB_CI" && echo "configuring with: $invoke"
  93 { echo "$invoke"; echo; echo "#"; } >> config.log
  94
  95 quote_sh() {
  96     printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
  97 }
  98
  99 print_error() {
 100     (echo
 101     echo "ERROR: $1"
 102     while test -n "$2"; do
 103         echo "       $2"
 104         shift
 105     done
 106     echo) >&2
 107 }
 108
 109 error_exit() {
 110     print_error "$@"
 111     exit 1
 112 }
 113
 114 do_compiler() {
 115   # Run the compiler, capturing its output to the log. First argument
 116   # is compiler binary to execute.
 117   compiler="$1"
 118   shift
 119   if test -n "$BASH_VERSION"; then eval '
 120       echo >>config.log "
 121 funcs: ${FUNCNAME[*]}
 122 lines: ${BASH_LINENO[*]}"
 123   '; fi
 124   echo $compiler "$@" >> config.log
 125   $compiler "$@" >> config.log 2>&1 || return $?
 126 }
 127
 128 do_compiler_werror() {
 129     # Run the compiler, capturing its output to the log. First argument
 130     # is compiler binary to execute.
 131     compiler="$1"
 132     shift
 133     if test -n "$BASH_VERSION"; then eval '
 134         echo >>config.log "
 135 funcs: ${FUNCNAME[*]}
 136 lines: ${BASH_LINENO[*]}"
 137     '; fi
 138     echo $compiler "$@" >> config.log
 139     $compiler "$@" >> config.log 2>&1 || return $?
 140     # Test passed. If this is an --enable-werror build, rerun
 141     # the test with -Werror and bail out if it fails. This
 142     # makes warning-generating-errors in configure test code
 143     # obvious to developers.
 144     if test "$werror" != "yes"; then
 145         return 0
 146     fi
 147     # Don't bother rerunning the compile if we were already using -Werror
 148     case "$*" in
 149         *-Werror*)
 150            return 0
 151         ;;
 152     esac
 153     echo $compiler -Werror "$@" >> config.log
 154     $compiler -Werror "$@" >> config.log 2>&1 && return $?
 155     error_exit "configure test passed without -Werror but failed with -Werror." \
 156         "This is probably a bug in the configure script. The failing command" \
 157         "will be at the bottom of config.log." \
 158         "You can run configure with --disable-werror to bypass this check."
 159 }
 160
 161 do_cc() {
 162     do_compiler_werror "$cc" $CPU_CFLAGS "$@"
 163 }
 164
 165 do_objc() {
 166     do_compiler_werror "$objcc" $CPU_CFLAGS "$@"
 167 }
 168
 169 # Append $2 to the variable named $1, with space separation
 170 add_to() {
 171     eval $1=\${$1:+\"\$$1 \"}\$2
 172 }
 173
 174 compile_object() {
 175   local_cflags="$1"
 176   do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 177 }
 178
 179 compile_prog() {
 180   local_cflags="$1"
 181   local_ldflags="$2"
 182   do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \
 183       $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags
 184 }
 185
 186 # symbolically link $1 to $2.  Portable version of "ln -sf".
 187 symlink() {
 188   rm -rf "$2"
 189   mkdir -p "$(dirname "$2")"
 190   ln -s "$1" "$2"
 191 }
 192
 193 # check whether a command is available to this shell (may be either an
 194 # executable or a builtin)
 195 has() {
 196     type "$1" >/dev/null 2>&1
 197 }
 198
 199 version_ge () {
 200     local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
 201     local_ver2=$(echo "$2" | tr . ' ')
 202     while true; do
 203         set x $local_ver1
 204         local_first=${2-0}
 205         # 'shift 2' if $2 is set, or 'shift' if $2 is not set
 206         shift ${2:+2}
 207         local_ver1=$*
 208         set x $local_ver2
 209         # the second argument finished, the first must be greater or equal
 210         test $# = 1 && return 0
 211         test $local_first -lt $2 && return 1
 212         test $local_first -gt $2 && return 0
 213         shift ${2:+2}
 214         local_ver2=$*
 215     done
 216 }
 217
 218 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 219 then
 220   error_exit "main directory cannot contain spaces nor colons"
 221 fi
 222
 223 # default parameters
 224 cpu=""
 225 static="no"
 226 cross_compile="no"
 227 cross_prefix=""
 228 host_cc="cc"
 229 stack_protector=""
 230 safe_stack=""
 231 use_containers="yes"
 232 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 233 gdb_arches=""
 234 glib_has_gslice="no"
 235
 236 if test -e "$source_path/.git"
 237 then
 238     git_submodules_action="update"
 239 else
 240     git_submodules_action="ignore"
 241 fi
 242
 243 git_submodules="ui/keycodemapdb"
 244 git="git"
 245
 246 # Don't accept a target_list environment variable.
 247 unset target_list
 248 unset target_list_exclude
 249
 250 # Default value for a variable defining feature "foo".
 251 #  * foo="no"  feature will only be used if --enable-foo arg is given
 252 #  * foo=""    feature will be searched for, and if found, will be used
 253 #              unless --disable-foo is given
 254 #  * foo="yes" this value will only be set by --enable-foo flag.
 255 #              feature will searched for,
 256 #              if not found, configure exits with error
 257 #
 258 # Always add --enable-foo and --disable-foo command line args.
 259 # Distributions want to ensure that several features are compiled in, and it
 260 # is impossible without a --enable-foo that exits if a feature is not found.
 261
 262 default_feature=""
 263 # parse CC options second
 264 for opt do
 265   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 266   case "$opt" in
 267       --without-default-features)
 268           default_feature="no"
 269   ;;
 270   esac
 271 done
 272
 273 EXTRA_CFLAGS=""
 274 EXTRA_CXXFLAGS=""
 275 EXTRA_OBJCFLAGS=""
 276 EXTRA_LDFLAGS=""
 277
 278 debug_tcg="no"
 279 sanitizers="no"
 280 tsan="no"
 281 fortify_source="yes"
 282 EXESUF=""
 283 modules="no"
 284 prefix="/usr/local"
 285 qemu_suffix="qemu"
 286 softmmu="yes"
 287 linux_user=""
 288 bsd_user=""
 289 pie=""
 290 coroutine=""
 291 plugins="$default_feature"
 292 meson=""
 293 ninja=""
 294 bindir="bin"
 295 skip_meson=no
 296 vfio_user_server="disabled"
 297
 298 # The following Meson options are handled manually (still they
 299 # are included in the automatically generated help message)
 300
 301 # 1. Track which submodules are needed
 302 fdt="auto"
 303
 304 # 2. Automatically enable/disable other options
 305 tcg="auto"
 306 cfi="false"
 307
 308 # parse CC options second
 309 for opt do
 310   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 311   case "$opt" in
 312   --cross-prefix=*) cross_prefix="$optarg"
 313                     cross_compile="yes"
 314   ;;
 315   --cc=*) CC="$optarg"
 316   ;;
 317   --cxx=*) CXX="$optarg"
 318   ;;
 319   --cpu=*) cpu="$optarg"
 320   ;;
 321   --extra-cflags=*)
 322     EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
 323     EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
 324     EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
 325     ;;
 326   --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
 327   ;;
 328   --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
 329   ;;
 330   --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
 331   ;;
 332   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 333   ;;
 334   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
 335                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 336   ;;
 337   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 338                 eval "cross_cc_${cc_arch}=\$optarg"
 339   ;;
 340   --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
 341   ;;
 342   --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
 343                     eval "cross_prefix_${cc_arch}=\$optarg"
 344   ;;
 345   esac
 346 done
 347
 348 # Preferred compiler:
 349 #  ${CC} (if set)
 350 #  ${cross_prefix}gcc (if cross-prefix specified)
 351 #  system compiler
 352 if test -z "${CC}${cross_prefix}"; then
 353   cc="$host_cc"
 354 else
 355   cc="${CC-${cross_prefix}gcc}"
 356 fi
 357
 358 if test -z "${CXX}${cross_prefix}"; then
 359   cxx="c++"
 360 else
 361   cxx="${CXX-${cross_prefix}g++}"
 362 fi
 363
 364 ar="${AR-${cross_prefix}ar}"
 365 as="${AS-${cross_prefix}as}"
 366 ccas="${CCAS-$cc}"
 367 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 368 ld="${LD-${cross_prefix}ld}"
 369 ranlib="${RANLIB-${cross_prefix}ranlib}"
 370 nm="${NM-${cross_prefix}nm}"
 371 smbd="$SMBD"
 372 strip="${STRIP-${cross_prefix}strip}"
 373 widl="${WIDL-${cross_prefix}widl}"
 374 windres="${WINDRES-${cross_prefix}windres}"
 375 windmc="${WINDMC-${cross_prefix}windmc}"
 376 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 377 query_pkg_config() {
 378     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 379 }
 380 pkg_config=query_pkg_config
 381 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 382
 383 # default flags for all hosts
 384 # We use -fwrapv to tell the compiler that we require a C dialect where
 385 # left shift of signed integers is well defined and has the expected
 386 # 2s-complement style results. (Both clang and gcc agree that it
 387 # provides these semantics.)
 388 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv"
 389 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 390
 391 QEMU_LDFLAGS=
 392
 393 # Flags that are needed during configure but later taken care of by Meson
 394 CONFIGURE_CFLAGS="-std=gnu11 -Wall"
 395 CONFIGURE_LDFLAGS=
 396
 397
 398 check_define() {
 399 cat > $TMPC <<EOF
 400 #if !defined($1)
 401 #error $1 not defined
 402 #endif
 403 int main(void) { return 0; }
 404 EOF
 405   compile_object
 406 }
 407
 408 check_include() {
 409 cat > $TMPC <<EOF
 410 #include <$1>
 411 int main(void) { return 0; }
 412 EOF
 413   compile_object
 414 }
 415
 416 write_c_skeleton() {
 417     cat > $TMPC <<EOF
 418 int main(void) { return 0; }
 419 EOF
 420 }
 421
 422 if check_define __linux__ ; then
 423   targetos=linux
 424 elif check_define _WIN32 ; then
 425   targetos=windows
 426 elif check_define __OpenBSD__ ; then
 427   targetos=openbsd
 428 elif check_define __sun__ ; then
 429   targetos=sunos
 430 elif check_define __HAIKU__ ; then
 431   targetos=haiku
 432 elif check_define __FreeBSD__ ; then
 433   targetos=freebsd
 434 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 435   targetos=gnu/kfreebsd
 436 elif check_define __DragonFly__ ; then
 437   targetos=dragonfly
 438 elif check_define __NetBSD__; then
 439   targetos=netbsd
 440 elif check_define __APPLE__; then
 441   targetos=darwin
 442 else
 443   # This is a fatal error, but don't report it yet, because we
 444   # might be going to just print the --help text, or it might
 445   # be the result of a missing compiler.
 446   targetos=bogus
 447 fi
 448
 449 # OS specific
 450
 451 mingw32="no"
 452 bsd="no"
 453 linux="no"
 454 solaris="no"
 455 case $targetos in
 456 windows)
 457   mingw32="yes"
 458   plugins="no"
 459   pie="no"
 460 ;;
 461 gnu/kfreebsd)
 462   bsd="yes"
 463 ;;
 464 freebsd)
 465   bsd="yes"
 466   make="${MAKE-gmake}"
 467   # needed for kinfo_getvmmap(3) in libutil.h
 468 ;;
 469 dragonfly)
 470   bsd="yes"
 471   make="${MAKE-gmake}"
 472 ;;
 473 netbsd)
 474   bsd="yes"
 475   make="${MAKE-gmake}"
 476 ;;
 477 openbsd)
 478   bsd="yes"
 479   make="${MAKE-gmake}"
 480 ;;
 481 darwin)
 482   bsd="yes"
 483   darwin="yes"
 484   # Disable attempts to use ObjectiveC features in os/object.h since they
 485   # won't work when we're compiling with gcc as a C compiler.
 486   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 487 ;;
 488 sunos)
 489   solaris="yes"
 490   make="${MAKE-gmake}"
 491 # needed for CMSG_ macros in sys/socket.h
 492   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 493 # needed for TIOCWIN* defines in termios.h
 494   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 495 ;;
 496 haiku)
 497   pie="no"
 498   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS"
 499 ;;
 500 linux)
 501   linux="yes"
 502 ;;
 503 esac
 504
 505 if test ! -z "$cpu" ; then
 506   # command line argument
 507   :
 508 elif check_define __i386__ ; then
 509   cpu="i386"
 510 elif check_define __x86_64__ ; then
 511   if check_define __ILP32__ ; then
 512     cpu="x32"
 513   else
 514     cpu="x86_64"
 515   fi
 516 elif check_define __sparc__ ; then
 517   if check_define __arch64__ ; then
 518     cpu="sparc64"
 519   else
 520     cpu="sparc"
 521   fi
 522 elif check_define _ARCH_PPC ; then
 523   if check_define _ARCH_PPC64 ; then
 524     if check_define _LITTLE_ENDIAN ; then
 525       cpu="ppc64le"
 526     else
 527       cpu="ppc64"
 528     fi
 529   else
 530     cpu="ppc"
 531   fi
 532 elif check_define __mips__ ; then
 533   cpu="mips"
 534 elif check_define __s390__ ; then
 535   if check_define __s390x__ ; then
 536     cpu="s390x"
 537   else
 538     cpu="s390"
 539   fi
 540 elif check_define __riscv ; then
 541   cpu="riscv"
 542 elif check_define __arm__ ; then
 543   cpu="arm"
 544 elif check_define __aarch64__ ; then
 545   cpu="aarch64"
 546 elif check_define __loongarch64 ; then
 547   cpu="loongarch64"
 548 else
 549   # Using uname is really broken, but it is just a fallback for architectures
 550   # that are going to use TCI anyway
 551   cpu=$(uname -m)
 552   echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
 553 fi
 554
 555 # Normalise host CPU name and set multilib cflags.  The canonicalization
 556 # isn't really necessary, because the architectures that we check for
 557 # should not hit the 'uname -m' case, but better safe than sorry.
 558 # Note that this case should only have supported host CPUs, not guests.
 559 case "$cpu" in
 560   armv*b|armv*l|arm)
 561     cpu="arm" ;;
 562
 563   i386|i486|i586|i686)
 564     cpu="i386"
 565     CPU_CFLAGS="-m32" ;;
 566   x32)
 567     cpu="x86_64"
 568     CPU_CFLAGS="-mx32" ;;
 569   x86_64|amd64)
 570     cpu="x86_64"
 571     # ??? Only extremely old AMD cpus do not have cmpxchg16b.
 572     # If we truly care, we should simply detect this case at
 573     # runtime and generate the fallback to serial emulation.
 574     CPU_CFLAGS="-m64 -mcx16" ;;
 575
 576   mips*)
 577     cpu="mips" ;;
 578
 579   ppc)
 580     CPU_CFLAGS="-m32" ;;
 581   ppc64)
 582     CPU_CFLAGS="-m64 -mbig-endian" ;;
 583   ppc64le)
 584     cpu="ppc64"
 585     CPU_CFLAGS="-m64 -mlittle-endian" ;;
 586
 587   s390)
 588     CPU_CFLAGS="-m31" ;;
 589   s390x)
 590     CPU_CFLAGS="-m64" ;;
 591
 592   sparc|sun4[cdmuv])
 593     cpu="sparc"
 594     CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;;
 595   sparc64)
 596     CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;;
 597 esac
 598
 599 : ${make=${MAKE-make}}
 600
 601
 602 check_py_version() {
 603     # We require python >= 3.6.
 604     # NB: a True python conditional creates a non-zero return code (Failure)
 605     "$1" -c 'import sys; sys.exit(sys.version_info < (3,6))'
 606 }
 607
 608 python=
 609 first_python=
 610 if test -z "${PYTHON}"; then
 611     explicit_python=no
 612     # A bare 'python' is traditionally python 2.x, but some distros
 613     # have it as python 3.x, so check in both places.
 614     for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7 python3.6; do
 615         if has "$binary"; then
 616             python=$(command -v "$binary")
 617             if check_py_version "$python"; then
 618                 # This one is good.
 619                 first_python=
 620                 break
 621             else
 622                 first_python=$python
 623             fi
 624         fi
 625     done
 626 else
 627     # Same as above, but only check the environment variable.
 628     has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
 629     python=$(command -v "$PYTHON")
 630     explicit_python=yes
 631     if check_py_version "$python"; then
 632         # This one is good.
 633         first_python=
 634     else
 635         first_python=$first_python
 636     fi
 637 fi
 638
 639 # Check for ancillary tools used in testing
 640 genisoimage=
 641 for binary in genisoimage mkisofs
 642 do
 643     if has $binary
 644     then
 645         genisoimage=$(command -v "$binary")
 646         break
 647     fi
 648 done
 649
 650 # Default objcc to clang if available, otherwise use CC
 651 if has clang; then
 652   objcc=clang
 653 else
 654   objcc="$cc"
 655 fi
 656
 657 if test "$mingw32" = "yes" ; then
 658   EXESUF=".exe"
 659   # MinGW needs -mthreads for TLS and macro _MT.
 660   CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
 661   prefix="/qemu"
 662   bindir=""
 663   qemu_suffix=""
 664 fi
 665
 666 werror=""
 667
 668 meson_option_build_array() {
 669   printf '['
 670   (if test "$targetos" = windows; then
 671     IFS=\;
 672   else
 673     IFS=:
 674   fi
 675   for e in $1; do
 676     printf '"""'
 677     # backslash escape any '\' and '"' characters
 678     printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
 679     printf '""",'
 680   done)
 681   printf ']\n'
 682 }
 683
 684 . "$source_path/scripts/meson-buildoptions.sh"
 685
 686 meson_options=
 687 meson_option_add() {
 688   meson_options="$meson_options $(quote_sh "$1")"
 689 }
 690 meson_option_parse() {
 691   meson_options="$meson_options $(_meson_option_parse "$@")"
 692   if test $? -eq 1; then
 693     echo "ERROR: unknown option $1"
 694     echo "Try '$0 --help' for more information"
 695     exit 1
 696   fi
 697 }
 698
 699 for opt do
 700   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 701   case "$opt" in
 702   --help|-h) show_help=yes
 703   ;;
 704   --version|-V) exec cat "$source_path/VERSION"
 705   ;;
 706   --prefix=*) prefix="$optarg"
 707   ;;
 708   --cross-prefix=*)
 709   ;;
 710   --cc=*)
 711   ;;
 712   --host-cc=*) host_cc="$optarg"
 713   ;;
 714   --cxx=*)
 715   ;;
 716   --objcc=*) objcc="$optarg"
 717   ;;
 718   --make=*) make="$optarg"
 719   ;;
 720   --install=*)
 721   ;;
 722   --python=*) python="$optarg" ; explicit_python=yes
 723   ;;
 724   --skip-meson) skip_meson=yes
 725   ;;
 726   --meson=*) meson="$optarg"
 727   ;;
 728   --ninja=*) ninja="$optarg"
 729   ;;
 730   --smbd=*) smbd="$optarg"
 731   ;;
 732   --extra-cflags=*)
 733   ;;
 734   --extra-cxxflags=*)
 735   ;;
 736   --extra-objcflags=*)
 737   ;;
 738   --extra-ldflags=*)
 739   ;;
 740   --cross-cc-*)
 741   ;;
 742   --cross-prefix-*)
 743   ;;
 744   --enable-debug-info) meson_option_add -Ddebug=true
 745   ;;
 746   --disable-debug-info) meson_option_add -Ddebug=false
 747   ;;
 748   --enable-modules)
 749       modules="yes"
 750   ;;
 751   --disable-modules)
 752       modules="no"
 753   ;;
 754   --cpu=*)
 755   ;;
 756   --target-list=*) target_list="$optarg"
 757                    if test "$target_list_exclude"; then
 758                        error_exit "Can't mix --target-list with --target-list-exclude"
 759                    fi
 760   ;;
 761   --target-list-exclude=*) target_list_exclude="$optarg"
 762                    if test "$target_list"; then
 763                        error_exit "Can't mix --target-list-exclude with --target-list"
 764                    fi
 765   ;;
 766   --with-default-devices) meson_option_add -Ddefault_devices=true
 767   ;;
 768   --without-default-devices) meson_option_add -Ddefault_devices=false
 769   ;;
 770   --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
 771   ;;
 772   --with-devices-*) device_arch=${opt#--with-devices-};
 773                     device_arch=${device_arch%%=*}
 774                     cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
 775                     if test -f "$cf"; then
 776                         device_archs="$device_archs $device_arch"
 777                         eval "devices_${device_arch}=\$optarg"
 778                     else
 779                         error_exit "File $cf does not exist"
 780                     fi
 781   ;;
 782   --without-default-features) # processed above
 783   ;;
 784   --static)
 785     static="yes"
 786     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
 787   ;;
 788   --bindir=*) bindir="$optarg"
 789   ;;
 790   --with-suffix=*) qemu_suffix="$optarg"
 791   ;;
 792   --host=*|--build=*|\
 793   --disable-dependency-tracking|\
 794   --sbindir=*|--sharedstatedir=*|\
 795   --oldincludedir=*|--datarootdir=*|--infodir=*|\
 796   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 797     # These switches are silently ignored, for compatibility with
 798     # autoconf-generated configure scripts. This allows QEMU's
 799     # configure to be used by RPM and similar macros that set
 800     # lots of directory switches by default.
 801   ;;
 802   --enable-debug-tcg) debug_tcg="yes"
 803   ;;
 804   --disable-debug-tcg) debug_tcg="no"
 805   ;;
 806   --enable-debug)
 807       # Enable debugging options that aren't excessively noisy
 808       debug_tcg="yes"
 809       meson_option_parse --enable-debug-mutex ""
 810       meson_option_add -Doptimization=0
 811       fortify_source="no"
 812   ;;
 813   --enable-sanitizers) sanitizers="yes"
 814   ;;
 815   --disable-sanitizers) sanitizers="no"
 816   ;;
 817   --enable-tsan) tsan="yes"
 818   ;;
 819   --disable-tsan) tsan="no"
 820   ;;
 821   --disable-tcg) tcg="disabled"
 822                  plugins="no"
 823   ;;
 824   --enable-tcg) tcg="enabled"
 825   ;;
 826   --disable-system) softmmu="no"
 827   ;;
 828   --enable-system) softmmu="yes"
 829   ;;
 830   --disable-user)
 831       linux_user="no" ;
 832       bsd_user="no" ;
 833   ;;
 834   --enable-user) ;;
 835   --disable-linux-user) linux_user="no"
 836   ;;
 837   --enable-linux-user) linux_user="yes"
 838   ;;
 839   --disable-bsd-user) bsd_user="no"
 840   ;;
 841   --enable-bsd-user) bsd_user="yes"
 842   ;;
 843   --enable-pie) pie="yes"
 844   ;;
 845   --disable-pie) pie="no"
 846   ;;
 847   --enable-werror) werror="yes"
 848   ;;
 849   --disable-werror) werror="no"
 850   ;;
 851   --enable-stack-protector) stack_protector="yes"
 852   ;;
 853   --disable-stack-protector) stack_protector="no"
 854   ;;
 855   --enable-safe-stack) safe_stack="yes"
 856   ;;
 857   --disable-safe-stack) safe_stack="no"
 858   ;;
 859   --enable-cfi)
 860       cfi="true";
 861       meson_option_add -Db_lto=true
 862   ;;
 863   --disable-cfi) cfi="false"
 864   ;;
 865   --disable-fdt) fdt="disabled"
 866   ;;
 867   --enable-fdt) fdt="enabled"
 868   ;;
 869   --enable-fdt=git) fdt="internal"
 870   ;;
 871   --enable-fdt=*) fdt="$optarg"
 872   ;;
 873   --with-coroutine=*) coroutine="$optarg"
 874   ;;
 875   --with-git=*) git="$optarg"
 876   ;;
 877   --with-git-submodules=*)
 878       git_submodules_action="$optarg"
 879   ;;
 880   --enable-plugins) if test "$mingw32" = "yes"; then
 881                         error_exit "TCG plugins not currently supported on Windows platforms"
 882                     else
 883                         plugins="yes"
 884                     fi
 885   ;;
 886   --disable-plugins) plugins="no"
 887   ;;
 888   --enable-containers) use_containers="yes"
 889   ;;
 890   --disable-containers) use_containers="no"
 891   ;;
 892   --gdb=*) gdb_bin="$optarg"
 893   ;;
 894   --enable-vfio-user-server) vfio_user_server="enabled"
 895   ;;
 896   --disable-vfio-user-server) vfio_user_server="disabled"
 897   ;;
 898   # everything else has the same name in configure and meson
 899   --*) meson_option_parse "$opt" "$optarg"
 900   ;;
 901   esac
 902 done
 903
 904 # test for any invalid configuration combinations
 905 if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
 906     error_exit "Can't enable plugins on non-TCG builds"
 907 fi
 908
 909 case $git_submodules_action in
 910     update|validate)
 911         if test ! -e "$source_path/.git"; then
 912             echo "ERROR: cannot $git_submodules_action git submodules without .git"
 913             exit 1
 914         fi
 915     ;;
 916     ignore)
 917         if ! test -f "$source_path/ui/keycodemapdb/README"
 918         then
 919             echo
 920             echo "ERROR: missing GIT submodules"
 921             echo
 922             if test -e "$source_path/.git"; then
 923                 echo "--with-git-submodules=ignore specified but submodules were not"
 924                 echo "checked out.  Please initialize and update submodules."
 925             else
 926                 echo "This is not a GIT checkout but module content appears to"
 927                 echo "be missing. Do not use 'git archive' or GitHub download links"
 928                 echo "to acquire QEMU source archives. Non-GIT builds are only"
 929                 echo "supported with source archives linked from:"
 930                 echo
 931                 echo "  https://www.qemu.org/download/#source"
 932                 echo
 933                 echo "Developers working with GIT can use scripts/archive-source.sh"
 934                 echo "if they need to create valid source archives."
 935             fi
 936             echo
 937             exit 1
 938         fi
 939     ;;
 940     *)
 941         echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'"
 942         exit 1
 943     ;;
 944 esac
 945
 946 default_target_list=""
 947 mak_wilds=""
 948
 949 if [ "$linux_user" != no ]; then
 950     if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then
 951         linux_user=yes
 952     elif [ "$linux_user" = yes ]; then
 953         error_exit "linux-user not supported on this architecture"
 954     fi
 955 fi
 956 if [ "$bsd_user" != no ]; then
 957     if [ "$bsd_user" = "" ]; then
 958         test $targetos = freebsd && bsd_user=yes
 959     fi
 960     if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
 961         error_exit "bsd-user not supported on this host OS"
 962     fi
 963 fi
 964 if [ "$softmmu" = "yes" ]; then
 965     mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
 966 fi
 967 if [ "$linux_user" = "yes" ]; then
 968     mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
 969 fi
 970 if [ "$bsd_user" = "yes" ]; then
 971     mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
 972 fi
 973
 974 for config in $mak_wilds; do
 975     target="$(basename "$config" .mak)"
 976     if echo "$target_list_exclude" | grep -vq "$target"; then
 977         default_target_list="${default_target_list} $target"
 978     fi
 979 done
 980
 981 if test x"$show_help" = x"yes" ; then
 982 cat << EOF
 983
 984 Usage: configure [options]
 985 Options: [defaults in brackets after descriptions]
 986
 987 Standard options:
 988   --help                   print this message
 989   --prefix=PREFIX          install in PREFIX [$prefix]
 990   --target-list=LIST       set target list (default: build all)
 991 $(echo Available targets: $default_target_list | \
 992   fold -s -w 53 | sed -e 's/^/                           /')
 993   --target-list-exclude=LIST exclude a set of targets from the default target-list
 994
 995 Advanced options (experts only):
 996   --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
 997   --cc=CC                  use C compiler CC [$cc]
 998   --host-cc=CC             use C compiler CC [$host_cc] for code run at
 999                            build time
1000   --cxx=CXX                use C++ compiler CXX [$cxx]
1001   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1002   --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
1003   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
1004   --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
1005   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1006   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1007   --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
1008   --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
1009   --make=MAKE              use specified make [$make]
1010   --python=PYTHON          use specified python [$python]
1011   --meson=MESON            use specified meson [$meson]
1012   --ninja=NINJA            use specified ninja [$ninja]
1013   --smbd=SMBD              use specified smbd [$smbd]
1014   --with-git=GIT           use specified git [$git]
1015   --with-git-submodules=update   update git submodules (default if .git dir exists)
1016   --with-git-submodules=validate fail if git submodules are not up to date
1017   --with-git-submodules=ignore   do not update or check git submodules (default if no .git dir)
1018   --static                 enable static build [$static]
1019   --bindir=PATH            install binaries in PATH
1020   --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
1021   --without-default-features default all --enable-* options to "disabled"
1022   --without-default-devices  do not include any device that is not needed to
1023                            start the emulator (only use if you are including
1024                            desired devices in configs/devices/)
1025   --with-devices-ARCH=NAME override default configs/devices
1026   --enable-debug           enable common debug build options
1027   --enable-sanitizers      enable default sanitizers
1028   --enable-tsan            enable thread sanitizer
1029   --disable-werror         disable compilation abort on warning
1030   --disable-stack-protector disable compiler-provided stack protection
1031   --cpu=CPU                Build for host CPU [$cpu]
1032   --with-coroutine=BACKEND coroutine backend. Supported options:
1033                            ucontext, sigaltstack, windows
1034   --enable-plugins
1035                            enable plugins via shared library loading
1036   --disable-containers     don't use containers for cross-building
1037   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1038 EOF
1039   meson_options_help
1040 cat << EOF
1041   system          all system emulation targets
1042   user            supported user emulation targets
1043   linux-user      all linux usermode emulation targets
1044   bsd-user        all BSD usermode emulation targets
1045   pie             Position Independent Executables
1046   modules         modules support (non-Windows)
1047   debug-tcg       TCG debugging (default is disabled)
1048   debug-info      debugging information
1049   safe-stack      SafeStack Stack Smash Protection. Depends on
1050                   clang/llvm and requires coroutine backend ucontext.
1051
1052 NOTE: The object files are built at the place where configure is launched
1053 EOF
1054 exit 0
1055 fi
1056
1057 # Remove old dependency files to make sure that they get properly regenerated
1058 rm -f ./*/config-devices.mak.d
1059
1060 if test -z "$python"
1061 then
1062     # If first_python is set, there was a binary somewhere even though
1063     # it was not suitable.  Use it for the error message.
1064     if test -n "$first_python"; then
1065         error_exit "Cannot use '$first_python', Python >= 3.6 is required." \
1066             "Use --python=/path/to/python to specify a supported Python."
1067     else
1068         error_exit "Python not found. Use --python=/path/to/python"
1069     fi
1070 fi
1071
1072 if ! has "$make"
1073 then
1074     error_exit "GNU make ($make) not found"
1075 fi
1076
1077 if ! check_py_version "$python"; then
1078   error_exit "Cannot use '$python', Python >= 3.6 is required." \
1079       "Use --python=/path/to/python to specify a supported Python."
1080 fi
1081
1082 # Resolve PATH + suppress writing compiled files
1083 python="$(command -v "$python") -B"
1084
1085 has_meson() {
1086   local python_dir=$(dirname "$python")
1087   # PEP405: pyvenv.cfg is either adjacent to the Python executable
1088   # or one directory above
1089   if test -f $python_dir/pyvenv.cfg || test -f $python_dir/../pyvenv.cfg; then
1090     # Ensure that Meson and Python come from the same virtual environment
1091     test -x "$python_dir/meson" &&
1092       test "$(command -v meson)" -ef "$python_dir/meson"
1093   else
1094     has meson
1095   fi
1096 }
1097
1098 if test -z "$meson"; then
1099     if test "$explicit_python" = no && has_meson && version_ge "$(meson --version)" 0.61.5; then
1100         meson=meson
1101     elif test "$git_submodules_action" != 'ignore' ; then
1102         meson=git
1103     elif test -e "${source_path}/meson/meson.py" ; then
1104         meson=internal
1105     else
1106         if test "$explicit_python" = yes; then
1107             error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1108         else
1109             error_exit "Meson not found.  Use --meson=/path/to/meson"
1110         fi
1111     fi
1112 else
1113     # Meson uses its own Python interpreter to invoke other Python scripts,
1114     # but the user wants to use the one they specified with --python.
1115     #
1116     # We do not want to override the distro Python interpreter (and sometimes
1117     # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1118     # just require --meson=git|internal together with --python.
1119     if test "$explicit_python" = yes; then
1120         case "$meson" in
1121             git | internal) ;;
1122             *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1123         esac
1124     fi
1125 fi
1126
1127 if test "$meson" = git; then
1128     git_submodules="${git_submodules} meson"
1129 fi
1130
1131 case "$meson" in
1132     git | internal)
1133         meson="$python ${source_path}/meson/meson.py"
1134         ;;
1135     *) meson=$(command -v "$meson") ;;
1136 esac
1137
1138 # Probe for ninja
1139
1140 if test -z "$ninja"; then
1141     for c in ninja ninja-build samu; do
1142         if has $c; then
1143             ninja=$(command -v "$c")
1144             break
1145         fi
1146     done
1147     if test -z "$ninja"; then
1148       error_exit "Cannot find Ninja"
1149     fi
1150 fi
1151
1152 # Check that the C compiler works. Doing this here before testing
1153 # the host CPU ensures that we had a valid CC to autodetect the
1154 # $cpu var (and we should bail right here if that's not the case).
1155 # It also allows the help message to be printed without a CC.
1156 write_c_skeleton;
1157 if compile_object ; then
1158   : C compiler works ok
1159 else
1160     error_exit "\"$cc\" either does not exist or does not work"
1161 fi
1162 if ! compile_prog ; then
1163     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1164 fi
1165
1166 # Consult white-list to determine whether to enable werror
1167 # by default.  Only enable by default for git builds
1168 if test -z "$werror" ; then
1169     if test "$git_submodules_action" != "ignore" && \
1170         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1171         werror="yes"
1172     else
1173         werror="no"
1174     fi
1175 fi
1176
1177 if test "$targetos" = "bogus"; then
1178     # Now that we know that we're not printing the help and that
1179     # the compiler works (so the results of the check_defines we used
1180     # to identify the OS are reliable), if we didn't recognize the
1181     # host OS we should stop now.
1182     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1183 fi
1184
1185 # Check whether the compiler matches our minimum requirements:
1186 cat > $TMPC << EOF
1187 #if defined(__clang_major__) && defined(__clang_minor__)
1188 # ifdef __apple_build_version__
1189 #  if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
1190 #   error You need at least XCode Clang v12.0 to compile QEMU
1191 #  endif
1192 # else
1193 #  if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
1194 #   error You need at least Clang v10.0 to compile QEMU
1195 #  endif
1196 # endif
1197 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1198 # if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4)
1199 #  error You need at least GCC v7.4.0 to compile QEMU
1200 # endif
1201 #else
1202 # error You either need GCC or Clang to compiler QEMU
1203 #endif
1204 int main (void) { return 0; }
1205 EOF
1206 if ! compile_prog "" "" ; then
1207     error_exit "You need at least GCC v7.4 or Clang v10.0 (or XCode Clang v12.0)"
1208 fi
1209
1210 # Accumulate -Wfoo and -Wno-bar separately.
1211 # We will list all of the enable flags first, and the disable flags second.
1212 # Note that we do not add -Werror, because that would enable it for all
1213 # configure tests. If a configure test failed due to -Werror this would
1214 # just silently disable some features, so it's too error prone.
1215
1216 warn_flags=
1217 add_to warn_flags -Wundef
1218 add_to warn_flags -Wwrite-strings
1219 add_to warn_flags -Wmissing-prototypes
1220 add_to warn_flags -Wstrict-prototypes
1221 add_to warn_flags -Wredundant-decls
1222 add_to warn_flags -Wold-style-declaration
1223 add_to warn_flags -Wold-style-definition
1224 add_to warn_flags -Wtype-limits
1225 add_to warn_flags -Wformat-security
1226 add_to warn_flags -Wformat-y2k
1227 add_to warn_flags -Winit-self
1228 add_to warn_flags -Wignored-qualifiers
1229 add_to warn_flags -Wempty-body
1230 add_to warn_flags -Wnested-externs
1231 add_to warn_flags -Wendif-labels
1232 add_to warn_flags -Wexpansion-to-defined
1233 add_to warn_flags -Wimplicit-fallthrough=2
1234 add_to warn_flags -Wmissing-format-attribute
1235
1236 if test "$targetos" != "darwin"; then
1237     add_to warn_flags -Wthread-safety
1238 fi
1239
1240 nowarn_flags=
1241 add_to nowarn_flags -Wno-initializer-overrides
1242 add_to nowarn_flags -Wno-missing-include-dirs
1243 add_to nowarn_flags -Wno-shift-negative-value
1244 add_to nowarn_flags -Wno-string-plus-int
1245 add_to nowarn_flags -Wno-typedef-redefinition
1246 add_to nowarn_flags -Wno-tautological-type-limit-compare
1247 add_to nowarn_flags -Wno-psabi
1248 add_to nowarn_flags -Wno-gnu-variable-sized-type-not-at-end
1249
1250 gcc_flags="$warn_flags $nowarn_flags"
1251
1252 cc_has_warning_flag() {
1253     write_c_skeleton;
1254
1255     # Use the positive sense of the flag when testing for -Wno-wombat
1256     # support (gcc will happily accept the -Wno- form of unknown
1257     # warning options).
1258     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1259     compile_prog "-Werror $optflag" ""
1260 }
1261
1262 objcc_has_warning_flag() {
1263     cat > $TMPM <<EOF
1264 int main(void) { return 0; }
1265 EOF
1266
1267     # Use the positive sense of the flag when testing for -Wno-wombat
1268     # support (gcc will happily accept the -Wno- form of unknown
1269     # warning options).
1270     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1271     do_objc -Werror $optflag \
1272       $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \
1273       -o $TMPE $TMPM $QEMU_LDFLAGS
1274 }
1275
1276 for flag in $gcc_flags; do
1277     if cc_has_warning_flag $flag ; then
1278         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1279     fi
1280     if objcc_has_warning_flag $flag ; then
1281         QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag"
1282     fi
1283 done
1284
1285 if test "$stack_protector" != "no"; then
1286   cat > $TMPC << EOF
1287 int main(int argc, char *argv[])
1288 {
1289     char arr[64], *p = arr, *c = argv[argc - 1];
1290     while (*c) {
1291         *p++ = *c++;
1292     }
1293     return 0;
1294 }
1295 EOF
1296   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1297   sp_on=0
1298   for flag in $gcc_flags; do
1299     # We need to check both a compile and a link, since some compiler
1300     # setups fail only on a .c->.o compile and some only at link time
1301     if compile_object "-Werror $flag" &&
1302        compile_prog "-Werror $flag" ""; then
1303       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1304       QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1305       sp_on=1
1306       break
1307     fi
1308   done
1309   if test "$stack_protector" = yes; then
1310     if test $sp_on = 0; then
1311       error_exit "Stack protector not supported"
1312     fi
1313   fi
1314 fi
1315
1316 # Our module code doesn't support Windows
1317 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
1318   error_exit "Modules are not available for Windows"
1319 fi
1320
1321 # Static linking is not possible with plugins, modules or PIE
1322 if test "$static" = "yes" ; then
1323   if test "$modules" = "yes" ; then
1324     error_exit "static and modules are mutually incompatible"
1325   fi
1326   if test "$plugins" = "yes"; then
1327     error_exit "static and plugins are mutually incompatible"
1328   else
1329     plugins="no"
1330   fi
1331 fi
1332 test "$plugins" = "" && plugins=yes
1333
1334 cat > $TMPC << EOF
1335
1336 #ifdef __linux__
1337 #  define THREAD __thread
1338 #else
1339 #  define THREAD
1340 #endif
1341 static THREAD int tls_var;
1342 int main(void) { return tls_var; }
1343 EOF
1344
1345 # Meson currently only handles pie as a boolean for now so if we have
1346 # explicitly disabled PIE we need to extend our cflags because it wont.
1347 if test "$static" = "yes"; then
1348   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1349     CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
1350     pie="yes"
1351   elif test "$pie" = "yes"; then
1352     error_exit "-static-pie not available due to missing toolchain support"
1353   else
1354     pie="no"
1355     QEMU_CFLAGS="-fno-pie $QEMU_CFLAGS"
1356   fi
1357 elif test "$pie" = "no"; then
1358   if compile_prog "-Werror -fno-pie" "-no-pie"; then
1359     CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS"
1360     CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS"
1361     QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS"
1362   fi
1363 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1364   CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
1365   CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
1366   pie="yes"
1367 elif test "$pie" = "yes"; then
1368   error_exit "PIE not available due to missing toolchain support"
1369 else
1370   echo "Disabling PIE due to missing toolchain support"
1371   pie="no"
1372 fi
1373
1374 ##########################################
1375 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1376 # use i686 as default anyway, but for those that don't, an explicit
1377 # specification is necessary
1378
1379 if test "$cpu" = "i386"; then
1380   cat > $TMPC << EOF
1381 static int sfaa(int *ptr)
1382 {
1383   return __sync_fetch_and_and(ptr, 0);
1384 }
1385
1386 int main(void)
1387 {
1388   int val = 42;
1389   val = __sync_val_compare_and_swap(&val, 0, 1);
1390   sfaa(&val);
1391   return val;
1392 }
1393 EOF
1394   if ! compile_prog "" "" ; then
1395     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1396   fi
1397 fi
1398
1399 if test -z "${target_list+xxx}" ; then
1400     default_targets=yes
1401     for target in $default_target_list; do
1402         target_list="$target_list $target"
1403     done
1404     target_list="${target_list# }"
1405 else
1406     default_targets=no
1407     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1408     for target in $target_list; do
1409         # Check that we recognised the target name; this allows a more
1410         # friendly error message than if we let it fall through.
1411         case " $default_target_list " in
1412             *" $target "*)
1413                 ;;
1414             *)
1415                 error_exit "Unknown target name '$target'"
1416                 ;;
1417         esac
1418     done
1419 fi
1420
1421 # see if system emulation was really requested
1422 case " $target_list " in
1423   *"-softmmu "*) softmmu=yes
1424   ;;
1425   *) softmmu=no
1426   ;;
1427 esac
1428
1429 if test "$tcg" = "auto"; then
1430   if test -z "$target_list"; then
1431     tcg="disabled"
1432   else
1433     tcg="enabled"
1434   fi
1435 fi
1436
1437 if test "$tcg" = "enabled"; then
1438     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
1439     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
1440 fi
1441
1442 ##########################################
1443 # big/little endian test
1444 cat > $TMPC << EOF
1445 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1446 # error LITTLE
1447 #endif
1448 int main(void) { return 0; }
1449 EOF
1450
1451 if ! compile_prog ; then
1452   bigendian="no"
1453 else
1454   cat > $TMPC << EOF
1455 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1456 # error BIG
1457 #endif
1458 int main(void) { return 0; }
1459 EOF
1460
1461   if ! compile_prog ; then
1462     bigendian="yes"
1463   else
1464     echo big/little test failed
1465     exit 1
1466   fi
1467 fi
1468
1469 ##########################################
1470 # pkg-config probe
1471
1472 if ! has "$pkg_config_exe"; then
1473   error_exit "pkg-config binary '$pkg_config_exe' not found"
1474 fi
1475
1476 ##########################################
1477 # glib support probe
1478
1479 # When bumping glib_req_ver, please check also whether we should increase
1480 # the _WIN32_WINNT setting in osdep.h according to the value from glib
1481 glib_req_ver=2.56
1482 glib_modules=gthread-2.0
1483 if test "$modules" = yes; then
1484     glib_modules="$glib_modules gmodule-export-2.0"
1485 elif test "$plugins" = "yes"; then
1486     glib_modules="$glib_modules gmodule-no-export-2.0"
1487 fi
1488
1489 for i in $glib_modules; do
1490     if $pkg_config --atleast-version=$glib_req_ver $i; then
1491         glib_cflags=$($pkg_config --cflags $i)
1492         glib_libs=$($pkg_config --libs $i)
1493     else
1494         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
1495     fi
1496 done
1497
1498 # Check whether glib has gslice, which we have to avoid for correctness.
1499 # TODO: remove this check and the corresponding workaround (qtree) when
1500 # the minimum supported glib is >= $glib_dropped_gslice_version.
1501 glib_dropped_gslice_version=2.75.3
1502 for i in $glib_modules; do
1503     if ! $pkg_config --atleast-version=$glib_dropped_gslice_version $i; then
1504         glib_has_gslice="yes"
1505         break
1506     fi
1507 done
1508
1509 glib_bindir="$($pkg_config --variable=bindir glib-2.0)"
1510 if test -z "$glib_bindir" ; then
1511         glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin
1512 fi
1513
1514 # This workaround is required due to a bug in pkg-config file for glib as it
1515 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
1516
1517 if test "$static" = yes && test "$mingw32" = yes; then
1518     glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
1519 fi
1520
1521 # Sanity check that the current size_t matches the
1522 # size that glib thinks it should be. This catches
1523 # problems on multi-arch where people try to build
1524 # 32-bit QEMU while pointing at 64-bit glib headers
1525 cat > $TMPC <<EOF
1526 #include <glib.h>
1527 #include <unistd.h>
1528
1529 #define QEMU_BUILD_BUG_ON(x) \
1530   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
1531
1532 int main(void) {
1533    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
1534    return 0;
1535 }
1536 EOF
1537
1538 if ! compile_prog "$glib_cflags" "$glib_libs" ; then
1539     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
1540                "You probably need to set PKG_CONFIG_LIBDIR"\
1541                "to point to the right pkg-config files for your"\
1542                "build target"
1543 fi
1544
1545 # Silence clang warnings triggered by glib < 2.57.2
1546 cat > $TMPC << EOF
1547 #include <glib.h>
1548 typedef struct Foo {
1549     int i;
1550 } Foo;
1551 static void foo_free(Foo *f)
1552 {
1553     g_free(f);
1554 }
1555 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
1556 int main(void) { return 0; }
1557 EOF
1558 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
1559     if cc_has_warning_flag "-Wno-unused-function"; then
1560         glib_cflags="$glib_cflags -Wno-unused-function"
1561         CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
1562     fi
1563 fi
1564
1565 ##########################################
1566 # fdt probe
1567
1568 case "$fdt" in
1569   auto | enabled | internal)
1570     # Simpler to always update submodule, even if not needed.
1571     git_submodules="${git_submodules} dtc"
1572     ;;
1573 esac
1574
1575 ##########################################
1576 # check and set a backend for coroutine
1577
1578 # We prefer ucontext, but it's not always possible. The fallback
1579 # is sigcontext. On Windows the only valid backend is the Windows
1580 # specific one.
1581
1582 ucontext_works=no
1583 if test "$darwin" != "yes"; then
1584   cat > $TMPC << EOF
1585 #include <ucontext.h>
1586 #ifdef __stub_makecontext
1587 #error Ignoring glibc stub makecontext which will always fail
1588 #endif
1589 int main(void) { makecontext(0, 0, 0); return 0; }
1590 EOF
1591   if compile_prog "" "" ; then
1592     ucontext_works=yes
1593   fi
1594 fi
1595
1596 if test "$coroutine" = ""; then
1597   if test "$mingw32" = "yes"; then
1598     coroutine=win32
1599   elif test "$ucontext_works" = "yes"; then
1600     coroutine=ucontext
1601   else
1602     coroutine=sigaltstack
1603   fi
1604 else
1605   case $coroutine in
1606   windows)
1607     if test "$mingw32" != "yes"; then
1608       error_exit "'windows' coroutine backend only valid for Windows"
1609     fi
1610     # Unfortunately the user visible backend name doesn't match the
1611     # coroutine-*.c filename for this case, so we have to adjust it here.
1612     coroutine=win32
1613     ;;
1614   ucontext)
1615     if test "$ucontext_works" != "yes"; then
1616       error_exit "'ucontext' backend requested but makecontext not available"
1617     fi
1618     ;;
1619   sigaltstack)
1620     if test "$mingw32" = "yes"; then
1621       error_exit "only the 'windows' coroutine backend is valid for Windows"
1622     fi
1623     ;;
1624   *)
1625     error_exit "unknown coroutine backend $coroutine"
1626     ;;
1627   esac
1628 fi
1629
1630 ##################################################
1631 # SafeStack
1632
1633
1634 if test "$safe_stack" = "yes"; then
1635 cat > $TMPC << EOF
1636 int main(void)
1637 {
1638 #if ! __has_feature(safe_stack)
1639 #error SafeStack Disabled
1640 #endif
1641     return 0;
1642 }
1643 EOF
1644   flag="-fsanitize=safe-stack"
1645   # Check that safe-stack is supported and enabled.
1646   if compile_prog "-Werror $flag" "$flag"; then
1647     # Flag needed both at compilation and at linking
1648     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1649     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1650   else
1651     error_exit "SafeStack not supported by your compiler"
1652   fi
1653   if test "$coroutine" != "ucontext"; then
1654     error_exit "SafeStack is only supported by the coroutine backend ucontext"
1655   fi
1656 else
1657 cat > $TMPC << EOF
1658 int main(void)
1659 {
1660 #if defined(__has_feature)
1661 #if __has_feature(safe_stack)
1662 #error SafeStack Enabled
1663 #endif
1664 #endif
1665     return 0;
1666 }
1667 EOF
1668 if test "$safe_stack" = "no"; then
1669   # Make sure that safe-stack is disabled
1670   if ! compile_prog "-Werror" ""; then
1671     # SafeStack was already enabled, try to explicitly remove the feature
1672     flag="-fno-sanitize=safe-stack"
1673     if ! compile_prog "-Werror $flag" "$flag"; then
1674       error_exit "Configure cannot disable SafeStack"
1675     fi
1676     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1677     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1678   fi
1679 else # "$safe_stack" = ""
1680   # Set safe_stack to yes or no based on pre-existing flags
1681   if compile_prog "-Werror" ""; then
1682     safe_stack="no"
1683   else
1684     safe_stack="yes"
1685     if test "$coroutine" != "ucontext"; then
1686       error_exit "SafeStack is only supported by the coroutine backend ucontext"
1687     fi
1688   fi
1689 fi
1690 fi
1691
1692 ########################################
1693 # check if ccache is interfering with
1694 # semantic analysis of macros
1695
1696 unset CCACHE_CPP2
1697 ccache_cpp2=no
1698 cat > $TMPC << EOF
1699 static const int Z = 1;
1700 #define fn() ({ Z; })
1701 #define TAUT(X) ((X) == Z)
1702 #define PAREN(X, Y) (X == Y)
1703 #define ID(X) (X)
1704 int main(void)
1705 {
1706     int x = 0, y = 0;
1707     x = ID(x);
1708     x = fn();
1709     fn();
1710     if (PAREN(x, y)) return 0;
1711     if (TAUT(Z)) return 0;
1712     return 0;
1713 }
1714 EOF
1715
1716 if ! compile_object "-Werror"; then
1717     ccache_cpp2=yes
1718 fi
1719
1720 #################################################
1721 # clang does not support glibc + FORTIFY_SOURCE.
1722
1723 if test "$fortify_source" != "no"; then
1724   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
1725     fortify_source="no";
1726   elif test -n "$cxx" && has $cxx &&
1727        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
1728     fortify_source="no";
1729   else
1730     fortify_source="yes"
1731   fi
1732 fi
1733
1734 ##########################################
1735 # checks for sanitizers
1736
1737 have_asan=no
1738 have_ubsan=no
1739 have_asan_iface_h=no
1740 have_asan_iface_fiber=no
1741
1742 if test "$sanitizers" = "yes" ; then
1743   write_c_skeleton
1744   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
1745       have_asan=yes
1746   fi
1747
1748   # we could use a simple skeleton for flags checks, but this also
1749   # detect the static linking issue of ubsan, see also:
1750   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
1751   cat > $TMPC << EOF
1752 #include <stdlib.h>
1753 int main(void) {
1754     void *tmp = malloc(10);
1755     if (tmp != NULL) {
1756         return *(int *)(tmp + 2);
1757     }
1758     return 1;
1759 }
1760 EOF
1761   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
1762       have_ubsan=yes
1763   fi
1764
1765   if check_include "sanitizer/asan_interface.h" ; then
1766       have_asan_iface_h=yes
1767   fi
1768
1769   cat > $TMPC << EOF
1770 #include <sanitizer/asan_interface.h>
1771 int main(void) {
1772   __sanitizer_start_switch_fiber(0, 0, 0);
1773   return 0;
1774 }
1775 EOF
1776   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
1777       have_asan_iface_fiber=yes
1778   fi
1779 fi
1780
1781 # Thread sanitizer is, for now, much noisier than the other sanitizers;
1782 # keep it separate until that is not the case.
1783 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
1784   error_exit "TSAN is not supported with other sanitiziers."
1785 fi
1786 have_tsan=no
1787 have_tsan_iface_fiber=no
1788 if test "$tsan" = "yes" ; then
1789   write_c_skeleton
1790   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
1791       have_tsan=yes
1792   fi
1793   cat > $TMPC << EOF
1794 #include <sanitizer/tsan_interface.h>
1795 int main(void) {
1796   __tsan_create_fiber(0);
1797   return 0;
1798 }
1799 EOF
1800   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
1801       have_tsan_iface_fiber=yes
1802   fi
1803 fi
1804
1805 ##########################################
1806 # functions to probe cross compilers
1807
1808 container="no"
1809 runc=""
1810 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1811     case $($python "$source_path"/tests/docker/docker.py probe) in
1812         *docker) container=docker ;;
1813         podman) container=podman ;;
1814         no) container=no ;;
1815     esac
1816     if test "$container" != "no"; then
1817         docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1818         runc=$($python "$source_path"/tests/docker/docker.py probe)
1819     fi
1820 fi
1821
1822 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1823 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1824 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1825 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1826 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1827 : ${cross_prefix_armeb="$cross_prefix_arm"}
1828 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1829 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1830 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1831 : ${cross_prefix_i386="i686-linux-gnu-"}
1832 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1833 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1834 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1835 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1836 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1837 : ${cross_prefix_mips="mips-linux-gnu-"}
1838 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1839 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1840 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1841 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1842 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1843 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1844 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1845 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1846 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1847 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1848
1849 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1850 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1851 : ${cross_cc_armeb="$cross_cc_arm"}
1852 : ${cross_cc_cflags_armeb="-mbig-endian"}
1853 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1854 : ${cross_cc_cflags_hexagon="-mv67 -O2 -static"}
1855 : ${cross_cc_cflags_i386="-m32"}
1856 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1857 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1858 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1859 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1860 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1861 : ${cross_cc_sparc="$cross_cc_sparc64"}
1862 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1863 : ${cross_cc_cflags_x86_64="-m64"}
1864
1865 compute_target_variable() {
1866   eval "$2="
1867   if eval test -n "\"\${cross_prefix_$1}\""; then
1868     if eval has "\"\${cross_prefix_$1}\$3\""; then
1869       eval "$2=\"\${cross_prefix_$1}\$3\""
1870     fi
1871   fi
1872 }
1873
1874 have_target() {
1875   for i; do
1876     case " $target_list " in
1877       *" $i "*) return 0;;
1878       *) ;;
1879     esac
1880   done
1881   return 1
1882 }
1883
1884 # probe_target_compiler TARGET
1885 #
1886 # Look for a compiler for the given target, either native or cross.
1887 # Set variables target_* if a compiler is found, and container_cross_*
1888 # if a Docker-based cross-compiler image is known for the target.
1889 # Set got_cross_cc to yes/no depending on whether a non-container-based
1890 # compiler was found.
1891 #
1892 # If TARGET is a user-mode emulation target, also set build_static to
1893 # "y" if static linking is possible.
1894 #
1895 probe_target_compiler() {
1896   # reset all output variables
1897   got_cross_cc=no
1898   container_image=
1899   container_hosts=
1900   container_cross_cc=
1901   container_cross_ar=
1902   container_cross_as=
1903   container_cross_ld=
1904   container_cross_nm=
1905   container_cross_objcopy=
1906   container_cross_ranlib=
1907   container_cross_strip=
1908
1909   # We shall skip configuring the target compiler if the user didn't
1910   # bother enabling an appropriate guest. This avoids building
1911   # extraneous firmware images and tests.
1912   if test "${target_list#*$1}" = "$1"; then
1913       return 1
1914   fi
1915
1916   target_arch=${1%%-*}
1917   case $target_arch in
1918     aarch64) container_hosts="x86_64 aarch64" ;;
1919     alpha) container_hosts=x86_64 ;;
1920     arm) container_hosts="x86_64 aarch64" ;;
1921     cris) container_hosts=x86_64 ;;
1922     hexagon) container_hosts=x86_64 ;;
1923     hppa) container_hosts=x86_64 ;;
1924     i386) container_hosts=x86_64 ;;
1925     loongarch64) container_hosts=x86_64 ;;
1926     m68k) container_hosts=x86_64 ;;
1927     microblaze) container_hosts=x86_64 ;;
1928     mips64el) container_hosts=x86_64 ;;
1929     mips64) container_hosts=x86_64 ;;
1930     mipsel) container_hosts=x86_64 ;;
1931     mips) container_hosts=x86_64 ;;
1932     nios2) container_hosts=x86_64 ;;
1933     ppc) container_hosts=x86_64 ;;
1934     ppc64|ppc64le) container_hosts=x86_64 ;;
1935     riscv64) container_hosts=x86_64 ;;
1936     s390x) container_hosts=x86_64 ;;
1937     sh4) container_hosts=x86_64 ;;
1938     sparc64) container_hosts=x86_64 ;;
1939     tricore) container_hosts=x86_64 ;;
1940     x86_64) container_hosts="aarch64 ppc64el x86_64" ;;
1941     xtensa*) container_hosts=x86_64 ;;
1942   esac
1943
1944   for host in $container_hosts; do
1945     test "$container" != no || continue
1946     test "$host" = "$cpu" || continue
1947     case $target_arch in
1948       aarch64)
1949         # We don't have any bigendian build tools so we only use this for AArch64
1950         container_image=debian-arm64-cross
1951         container_cross_prefix=aarch64-linux-gnu-
1952         container_cross_cc=${container_cross_prefix}gcc-10
1953         ;;
1954       alpha)
1955         container_image=debian-alpha-cross
1956         container_cross_prefix=alpha-linux-gnu-
1957         ;;
1958       arm)
1959         # We don't have any bigendian build tools so we only use this for ARM
1960         container_image=debian-armhf-cross
1961         container_cross_prefix=arm-linux-gnueabihf-
1962         ;;
1963       cris)
1964         container_image=fedora-cris-cross
1965         container_cross_prefix=cris-linux-gnu-
1966         ;;
1967       hexagon)
1968         container_image=debian-hexagon-cross
1969         container_cross_prefix=hexagon-unknown-linux-musl-
1970         container_cross_cc=${container_cross_prefix}clang
1971         ;;
1972       hppa)
1973         container_image=debian-hppa-cross
1974         container_cross_prefix=hppa-linux-gnu-
1975         ;;
1976       i386)
1977         container_image=fedora-i386-cross
1978         container_cross_prefix=
1979         ;;
1980       loongarch64)
1981         container_image=debian-loongarch-cross
1982         container_cross_prefix=loongarch64-unknown-linux-gnu-
1983         ;;
1984       m68k)
1985         container_image=debian-m68k-cross
1986         container_cross_prefix=m68k-linux-gnu-
1987         ;;
1988       microblaze)
1989         container_image=debian-microblaze-cross
1990         container_cross_prefix=microblaze-linux-musl-
1991         ;;
1992       mips64el)
1993         container_image=debian-mips64el-cross
1994         container_cross_prefix=mips64el-linux-gnuabi64-
1995         ;;
1996       mips64)
1997         container_image=debian-mips64-cross
1998         container_cross_prefix=mips64-linux-gnuabi64-
1999         ;;
2000       mipsel)
2001         container_image=debian-mipsel-cross
2002         container_cross_prefix=mipsel-linux-gnu-
2003         ;;
2004       mips)
2005         container_image=debian-mips-cross
2006         container_cross_prefix=mips-linux-gnu-
2007         ;;
2008       nios2)
2009         container_image=debian-nios2-cross
2010         container_cross_prefix=nios2-linux-gnu-
2011         ;;
2012       ppc)
2013         container_image=debian-powerpc-test-cross
2014         container_cross_prefix=powerpc-linux-gnu-
2015         container_cross_cc=${container_cross_prefix}gcc-10
2016         ;;
2017       ppc64|ppc64le)
2018         container_image=debian-powerpc-test-cross
2019         container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
2020         container_cross_cc=${container_cross_prefix}gcc-10
2021         ;;
2022       riscv64)
2023         container_image=debian-riscv64-test-cross
2024         container_cross_prefix=riscv64-linux-gnu-
2025         ;;
2026       s390x)
2027         container_image=debian-s390x-cross
2028         container_cross_prefix=s390x-linux-gnu-
2029         ;;
2030       sh4)
2031         container_image=debian-sh4-cross
2032         container_cross_prefix=sh4-linux-gnu-
2033         ;;
2034       sparc64)
2035         container_image=debian-sparc64-cross
2036         container_cross_prefix=sparc64-linux-gnu-
2037         ;;
2038       tricore)
2039         container_image=debian-tricore-cross
2040         container_cross_prefix=tricore-
2041         container_cross_as=tricore-as
2042         container_cross_ld=tricore-ld
2043         break
2044         ;;
2045       x86_64)
2046         container_image=debian-amd64-cross
2047         container_cross_prefix=x86_64-linux-gnu-
2048         ;;
2049       xtensa*)
2050         container_hosts=x86_64
2051         container_image=debian-xtensa-cross
2052
2053         # default to the dc232b cpu
2054         container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
2055         ;;
2056     esac
2057     : ${container_cross_cc:=${container_cross_prefix}gcc}
2058     : ${container_cross_ar:=${container_cross_prefix}ar}
2059     : ${container_cross_as:=${container_cross_prefix}as}
2060     : ${container_cross_ld:=${container_cross_prefix}ld}
2061     : ${container_cross_nm:=${container_cross_prefix}nm}
2062     : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
2063     : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
2064     : ${container_cross_strip:=${container_cross_prefix}strip}
2065   done
2066
2067   try=cross
2068   case "$target_arch:$cpu" in
2069     aarch64_be:aarch64 | \
2070     armeb:arm | \
2071     i386:x86_64 | \
2072     mips*:mips64 | \
2073     ppc*:ppc64 | \
2074     sparc:sparc64 | \
2075     "$cpu:$cpu")
2076       try='native cross' ;;
2077   esac
2078   eval "target_cflags=\${cross_cc_cflags_$target_arch}"
2079   for thistry in $try; do
2080     case $thistry in
2081     native)
2082       target_cc=$cc
2083       target_ccas=$ccas
2084       target_ar=$ar
2085       target_as=$as
2086       target_ld=$ld
2087       target_nm=$nm
2088       target_objcopy=$objcopy
2089       target_ranlib=$ranlib
2090       target_strip=$strip
2091       ;;
2092     cross)
2093       target_cc=
2094       if eval test -n "\"\${cross_cc_$target_arch}\""; then
2095         if eval has "\"\${cross_cc_$target_arch}\""; then
2096           eval "target_cc=\"\${cross_cc_$target_arch}\""
2097         fi
2098       else
2099         compute_target_variable $target_arch target_cc gcc
2100       fi
2101       target_ccas=$target_cc
2102       compute_target_variable $target_arch target_ar ar
2103       compute_target_variable $target_arch target_as as
2104       compute_target_variable $target_arch target_ld ld
2105       compute_target_variable $target_arch target_nm nm
2106       compute_target_variable $target_arch target_objcopy objcopy
2107       compute_target_variable $target_arch target_ranlib ranlib
2108       compute_target_variable $target_arch target_strip strip
2109       ;;
2110     esac
2111
2112     if test -n "$target_cc"; then
2113       case $target_arch in
2114         i386|x86_64)
2115           if $target_cc --version | grep -qi "clang"; then
2116             continue
2117           fi
2118           ;;
2119       esac
2120     elif test -n "$target_as" && test -n "$target_ld"; then
2121       # Special handling for assembler only targets
2122       case $target in
2123         tricore-softmmu)
2124           build_static=
2125           got_cross_cc=yes
2126           break
2127           ;;
2128         *)
2129           continue
2130           ;;
2131       esac
2132     else
2133       continue
2134     fi
2135
2136     write_c_skeleton
2137     case $1 in
2138       *-softmmu)
2139         if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
2140           do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
2141           got_cross_cc=yes
2142           break
2143         fi
2144         ;;
2145       *)
2146         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
2147           build_static=y
2148           got_cross_cc=yes
2149           break
2150         fi
2151         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
2152           build_static=
2153           got_cross_cc=yes
2154           break
2155         fi
2156         ;;
2157     esac
2158   done
2159   if test $got_cross_cc != yes; then
2160     build_static=
2161     target_cc=
2162     target_ccas=
2163     target_ar=
2164     target_as=
2165     target_ld=
2166     target_nm=
2167     target_objcopy=
2168     target_ranlib=
2169     target_strip=
2170   fi
2171   test -n "$target_cc"
2172 }
2173
2174 write_target_makefile() {
2175   echo "EXTRA_CFLAGS=$target_cflags"
2176   if test -z "$target_cc" && test -z "$target_as"; then
2177     test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
2178     echo "$1: docker-image-$container_image" >> Makefile.prereqs
2179     if test -n "$container_cross_cc"; then
2180       echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
2181       echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
2182     fi
2183     echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
2184     echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
2185     echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
2186     echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
2187     echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
2188     echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
2189     echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
2190   else
2191     if test -n "$target_cc"; then
2192       echo "CC=$target_cc"
2193       echo "CCAS=$target_ccas"
2194     fi
2195     if test -n "$target_ar"; then
2196       echo "AR=$target_ar"
2197     fi
2198     if test -n "$target_as"; then
2199       echo "AS=$target_as"
2200     fi
2201     if test -n "$target_ld"; then
2202       echo "LD=$target_ld"
2203     fi
2204     if test -n "$target_nm"; then
2205       echo "NM=$target_nm"
2206     fi
2207     if test -n "$target_objcopy"; then
2208       echo "OBJCOPY=$target_objcopy"
2209     fi
2210     if test -n "$target_ranlib"; then
2211       echo "RANLIB=$target_ranlib"
2212     fi
2213     if test -n "$target_strip"; then
2214       echo "STRIP=$target_strip"
2215     fi
2216   fi
2217 }
2218
2219 ##########################################
2220 # check for vfio_user_server
2221
2222 case "$vfio_user_server" in
2223   enabled )
2224     if test "$git_submodules_action" != "ignore"; then
2225       git_submodules="${git_submodules} subprojects/libvfio-user"
2226     fi
2227     ;;
2228 esac
2229
2230 ##########################################
2231 # End of CC checks
2232 # After here, no more $cc or $ld runs
2233
2234 write_c_skeleton
2235
2236 if test "$fortify_source" = "yes" ; then
2237   QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
2238 fi
2239
2240 if test "$have_asan" = "yes"; then
2241   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
2242   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
2243   if test "$have_asan_iface_h" = "no" ; then
2244       echo "ASAN build enabled, but ASAN header missing." \
2245            "Without code annotation, the report may be inferior."
2246   elif test "$have_asan_iface_fiber" = "no" ; then
2247       echo "ASAN build enabled, but ASAN header is too old." \
2248            "Without code annotation, the report may be inferior."
2249   fi
2250 fi
2251 if test "$have_tsan" = "yes" ; then
2252   if test "$have_tsan_iface_fiber" = "yes" ; then
2253     QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
2254     QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
2255   else
2256     error_exit "Cannot enable TSAN due to missing fiber annotation interface."
2257   fi
2258 elif test "$tsan" = "yes" ; then
2259   error_exit "Cannot enable TSAN due to missing sanitize thread interface."
2260 fi
2261 if test "$have_ubsan" = "yes"; then
2262   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
2263   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
2264 fi
2265
2266 #######################################
2267 # cross-compiled firmware targets
2268
2269 # Set up build tree symlinks that point back into the source tree
2270 # (these can be both files and directories).
2271 # Caution: avoid adding files or directories here using wildcards. This
2272 # will result in problems later if a new file matching the wildcard is
2273 # added to the source tree -- nothing will cause configure to be rerun
2274 # so the build tree will be missing the link back to the new file, and
2275 # tests might fail. Prefer to keep the relevant files in their own
2276 # directory and symlink the directory instead.
2277 LINKS="Makefile"
2278 LINKS="$LINKS docs/config"
2279 LINKS="$LINKS pc-bios/optionrom/Makefile"
2280 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
2281 LINKS="$LINKS pc-bios/vof/Makefile"
2282 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
2283 LINKS="$LINKS tests/avocado tests/data"
2284 LINKS="$LINKS tests/qemu-iotests/check"
2285 LINKS="$LINKS python"
2286 LINKS="$LINKS contrib/plugins/Makefile "
2287 for f in $LINKS ; do
2288     if [ -e "$source_path/$f" ]; then
2289         mkdir -p "$(dirname ./"$f")"
2290         symlink "$source_path/$f" "$f"
2291     fi
2292 done
2293
2294 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
2295
2296 # Mac OS X ships with a broken assembler
2297 roms=
2298 if have_target i386-softmmu x86_64-softmmu && \
2299         test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
2300         test "$targetos" != "haiku" && \
2301         probe_target_compiler i386-softmmu; then
2302     roms="pc-bios/optionrom"
2303     config_mak=pc-bios/optionrom/config.mak
2304     echo "# Automatically generated by configure - do not modify" > $config_mak
2305     echo "TOPSRC_DIR=$source_path" >> $config_mak
2306     write_target_makefile >> $config_mak
2307 fi
2308
2309 if have_target ppc-softmmu ppc64-softmmu && \
2310         probe_target_compiler ppc-softmmu; then
2311     roms="$roms pc-bios/vof"
2312     config_mak=pc-bios/vof/config.mak
2313     echo "# Automatically generated by configure - do not modify" > $config_mak
2314     echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
2315     write_target_makefile >> $config_mak
2316 fi
2317
2318 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
2319 # (which is the lowest architecture level that Clang supports)
2320 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then
2321   write_c_skeleton
2322   do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
2323   has_z900=$?
2324   if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
2325     if [ $has_z900 != 0 ]; then
2326       echo "WARNING: Your compiler does not support the z900!"
2327       echo "         The s390-ccw bios will only work with guest CPUs >= z10."
2328     fi
2329     roms="$roms pc-bios/s390-ccw"
2330     config_mak=pc-bios/s390-ccw/config-host.mak
2331     echo "# Automatically generated by configure - do not modify" > $config_mak
2332     echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
2333     write_target_makefile >> $config_mak
2334     # SLOF is required for building the s390-ccw firmware on s390x,
2335     # since it is using the libnet code from SLOF for network booting.
2336     git_submodules="${git_submodules} roms/SLOF"
2337   fi
2338 fi
2339
2340 #######################################
2341 # generate config-host.mak
2342
2343 if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then
2344     exit 1
2345 fi
2346
2347 config_host_mak="config-host.mak"
2348
2349 echo "# Automatically generated by configure - do not modify" > $config_host_mak
2350 echo >> $config_host_mak
2351
2352 echo all: >> $config_host_mak
2353 echo "GIT=$git" >> $config_host_mak
2354 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
2355 echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak
2356
2357 if test "$debug_tcg" = "yes" ; then
2358   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
2359 fi
2360 if test "$mingw32" = "yes" ; then
2361   echo "CONFIG_WIN32=y" >> $config_host_mak
2362   echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak
2363   echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak
2364   echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak
2365 else
2366   echo "CONFIG_POSIX=y" >> $config_host_mak
2367 fi
2368
2369 if test "$linux" = "yes" ; then
2370   echo "CONFIG_LINUX=y" >> $config_host_mak
2371 fi
2372
2373 if test "$darwin" = "yes" ; then
2374   echo "CONFIG_DARWIN=y" >> $config_host_mak
2375 fi
2376
2377 if test "$solaris" = "yes" ; then
2378   echo "CONFIG_SOLARIS=y" >> $config_host_mak
2379 fi
2380 if test "$static" = "yes" ; then
2381   echo "CONFIG_STATIC=y" >> $config_host_mak
2382 fi
2383 echo "SRC_PATH=$source_path" >> $config_host_mak
2384 echo "TARGET_DIRS=$target_list" >> $config_host_mak
2385 if test "$modules" = "yes"; then
2386   echo "CONFIG_MODULES=y" >> $config_host_mak
2387 fi
2388
2389 # XXX: suppress that
2390 if [ "$bsd" = "yes" ] ; then
2391   echo "CONFIG_BSD=y" >> $config_host_mak
2392 fi
2393
2394 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
2395
2396 if test "$have_asan_iface_fiber" = "yes" ; then
2397     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
2398 fi
2399
2400 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
2401     echo "CONFIG_TSAN=y" >> $config_host_mak
2402 fi
2403
2404 if test "$plugins" = "yes" ; then
2405     echo "CONFIG_PLUGIN=y" >> $config_host_mak
2406 fi
2407
2408 if test -n "$gdb_bin"; then
2409     gdb_version=$($gdb_bin --version | head -n 1)
2410     if version_ge ${gdb_version##* } 9.1; then
2411         echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
2412         gdb_arches=$("$source_path/scripts/probe-gdb-support.py" $gdb_bin)
2413     else
2414         gdb_bin=""
2415     fi
2416 fi
2417
2418 if test "$container" != no; then
2419     echo "ENGINE=$container" >> $config_host_mak
2420     echo "RUNC=$runc" >> $config_host_mak
2421 fi
2422 echo "ROMS=$roms" >> $config_host_mak
2423 echo "MAKE=$make" >> $config_host_mak
2424 echo "PYTHON=$python" >> $config_host_mak
2425 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
2426 echo "MESON=$meson" >> $config_host_mak
2427 echo "NINJA=$ninja" >> $config_host_mak
2428 echo "CC=$cc" >> $config_host_mak
2429 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
2430 echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak
2431 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
2432 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
2433 echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak
2434 echo "GLIB_VERSION=$($pkg_config --modversion glib-2.0)" >> $config_host_mak
2435 if test "$glib_has_gslice" = "yes" ; then
2436     echo "HAVE_GLIB_WITH_SLICE_ALLOCATOR=y" >> $config_host_mak
2437 fi
2438 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
2439 echo "EXESUF=$EXESUF" >> $config_host_mak
2440
2441 # use included Linux headers
2442 if test "$linux" = "yes" ; then
2443   mkdir -p linux-headers
2444   case "$cpu" in
2445   i386|x86_64)
2446     linux_arch=x86
2447     ;;
2448   ppc|ppc64)
2449     linux_arch=powerpc
2450     ;;
2451   s390x)
2452     linux_arch=s390
2453     ;;
2454   aarch64)
2455     linux_arch=arm64
2456     ;;
2457   loongarch*)
2458     linux_arch=loongarch
2459     ;;
2460   mips64)
2461     linux_arch=mips
2462     ;;
2463   *)
2464     # For most CPUs the kernel architecture name and QEMU CPU name match.
2465     linux_arch="$cpu"
2466     ;;
2467   esac
2468     # For non-KVM architectures we will not have asm headers
2469     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
2470       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
2471     fi
2472 fi
2473
2474 for target in $target_list; do
2475     target_dir="$target"
2476     target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
2477     mkdir -p "$target_dir"
2478     case $target in
2479         *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
2480         *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
2481     esac
2482 done
2483
2484 if test "$default_targets" = "yes"; then
2485   echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
2486 fi
2487
2488 if test "$ccache_cpp2" = "yes"; then
2489   echo "export CCACHE_CPP2=y" >> $config_host_mak
2490 fi
2491
2492 if test "$safe_stack" = "yes"; then
2493   echo "CONFIG_SAFESTACK=y" >> $config_host_mak
2494 fi
2495
2496 # tests/tcg configuration
2497 (config_host_mak=tests/tcg/config-host.mak
2498 mkdir -p tests/tcg
2499 echo "# Automatically generated by configure - do not modify" > $config_host_mak
2500 echo "SRC_PATH=$source_path" >> $config_host_mak
2501 echo "HOST_CC=$host_cc" >> $config_host_mak
2502
2503 # versioned checked in the main config_host.mak above
2504 if test -n "$gdb_bin"; then
2505     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
2506 fi
2507 if test "$plugins" = "yes" ; then
2508     echo "CONFIG_PLUGIN=y" >> $config_host_mak
2509 fi
2510
2511 tcg_tests_targets=
2512 for target in $target_list; do
2513   arch=${target%%-*}
2514
2515   case $target in
2516     xtensa*-linux-user)
2517       # the toolchain is not complete with headers, only build softmmu tests
2518       continue
2519       ;;
2520     *-softmmu)
2521       test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
2522       qemu="qemu-system-$arch"
2523       ;;
2524     *-linux-user|*-bsd-user)
2525       qemu="qemu-$arch"
2526       ;;
2527   esac
2528
2529   if probe_target_compiler $target || test -n "$container_image"; then
2530       test -n "$container_image" && build_static=y
2531       mkdir -p "tests/tcg/$target"
2532       config_target_mak=tests/tcg/$target/config-target.mak
2533       ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
2534       echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
2535       echo "TARGET_NAME=$arch" >> "$config_target_mak"
2536       echo "TARGET=$target" >> "$config_target_mak"
2537       write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
2538       echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
2539       echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
2540
2541       # will GDB work with these binaries?
2542       if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
2543           echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak"
2544       fi
2545
2546       echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
2547       tcg_tests_targets="$tcg_tests_targets $target"
2548   fi
2549 done
2550
2551 if test "$tcg" = "enabled"; then
2552     echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
2553 fi
2554 )
2555
2556 if test "$skip_meson" = no; then
2557   cross="config-meson.cross.new"
2558   meson_quote() {
2559     test $# = 0 && return
2560     echo "'$(echo $* | sed "s/ /','/g")'"
2561   }
2562
2563   echo "# Automatically generated by configure - do not modify" > $cross
2564   echo "[properties]" >> $cross
2565
2566   # unroll any custom device configs
2567   for a in $device_archs; do
2568       eval "c=\$devices_${a}"
2569       echo "${a}-softmmu = '$c'" >> $cross
2570   done
2571
2572   echo "[built-in options]" >> $cross
2573   echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
2574   echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
2575   test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
2576   echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
2577   echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
2578   echo "[binaries]" >> $cross
2579   echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
2580   test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
2581   test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
2582   echo "ar = [$(meson_quote $ar)]" >> $cross
2583   echo "nm = [$(meson_quote $nm)]" >> $cross
2584   echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross
2585   echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
2586   if has $sdl2_config; then
2587     echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
2588   fi
2589   echo "strip = [$(meson_quote $strip)]" >> $cross
2590   echo "widl = [$(meson_quote $widl)]" >> $cross
2591   echo "windres = [$(meson_quote $windres)]" >> $cross
2592   echo "windmc = [$(meson_quote $windmc)]" >> $cross
2593   if test "$cross_compile" = "yes"; then
2594     cross_arg="--cross-file config-meson.cross"
2595     echo "[host_machine]" >> $cross
2596     echo "system = '$targetos'" >> $cross
2597     case "$cpu" in
2598         i386)
2599             echo "cpu_family = 'x86'" >> $cross
2600             ;;
2601         *)
2602             echo "cpu_family = '$cpu'" >> $cross
2603             ;;
2604     esac
2605     echo "cpu = '$cpu'" >> $cross
2606     if test "$bigendian" = "yes" ; then
2607         echo "endian = 'big'" >> $cross
2608     else
2609         echo "endian = 'little'" >> $cross
2610     fi
2611   else
2612     cross_arg="--native-file config-meson.cross"
2613   fi
2614   mv $cross config-meson.cross
2615
2616   rm -rf meson-private meson-info meson-logs
2617
2618   # Built-in options
2619   test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
2620   test "$default_feature" = no && meson_option_add -Dauto_features=disabled
2621   test "$pie" = no && meson_option_add -Db_pie=false
2622   test "$werror" = yes && meson_option_add -Dwerror=true
2623
2624   # QEMU options
2625   test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
2626   test "$fdt" != auto && meson_option_add "-Dfdt=$fdt"
2627   test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
2628   test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
2629   test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
2630   test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
2631   test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server"
2632   run_meson() {
2633     NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
2634   }
2635   eval run_meson $meson_options
2636   if test "$?" -ne 0 ; then
2637       error_exit "meson setup failed"
2638   fi
2639 fi
2640
2641 # Save the configure command line for later reuse.
2642 cat <<EOD >config.status
2643 #!/bin/sh
2644 # Generated by configure.
2645 # Run this file to recreate the current configuration.
2646 # Compiler output produced by configure, useful for debugging
2647 # configure, is in config.log if it exists.
2648 EOD
2649
2650 preserve_env() {
2651     envname=$1
2652
2653     eval envval=\$$envname
2654
2655     if test -n "$envval"
2656     then
2657         echo "$envname='$envval'" >> config.status
2658         echo "export $envname" >> config.status
2659     else
2660         echo "unset $envname" >> config.status
2661     fi
2662 }
2663
2664 # Preserve various env variables that influence what
2665 # features/build target configure will detect
2666 preserve_env AR
2667 preserve_env AS
2668 preserve_env CC
2669 preserve_env CFLAGS
2670 preserve_env CXX
2671 preserve_env CXXFLAGS
2672 preserve_env LD
2673 preserve_env LDFLAGS
2674 preserve_env LD_LIBRARY_PATH
2675 preserve_env MAKE
2676 preserve_env NM
2677 preserve_env OBJCFLAGS
2678 preserve_env OBJCOPY
2679 preserve_env PATH
2680 preserve_env PKG_CONFIG
2681 preserve_env PKG_CONFIG_LIBDIR
2682 preserve_env PKG_CONFIG_PATH
2683 preserve_env PYTHON
2684 preserve_env QEMU_GA_MANUFACTURER
2685 preserve_env QEMU_GA_DISTRO
2686 preserve_env QEMU_GA_VERSION
2687 preserve_env SDL2_CONFIG
2688 preserve_env SMBD
2689 preserve_env STRIP
2690 preserve_env WIDL
2691 preserve_env WINDRES
2692 preserve_env WINDMC
2693
2694 printf "exec" >>config.status
2695 for i in "$0" "$@"; do
2696   test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
2697 done
2698 echo ' "$@"' >>config.status
2699 chmod +x config.status
2700
2701 rm -r "$TMPDIR1"