configure

   1 #!/bin/sh
   2 #
   3 # qemu configure script (c) 2003 Fabrice Bellard
   4 #
   5
   6 # Unset some variables known to interfere with behavior of common tools,
   7 # just as autoconf does.  Unlike autoconf, we assume that unset exists.
   8 unset CLICOLOR_FORCE GREP_OPTIONS BASH_ENV ENV MAIL MAILPATH CDPATH
   9
  10 # Don't allow CCACHE, if present, to use cached results of compile tests!
  11 export CCACHE_RECACHE=yes
  12
  13 # make source path absolute
  14 source_path=$(cd "$(dirname -- "$0")"; pwd)
  15
  16 if test "$PWD" = "$source_path"
  17 then
  18     echo "Using './build' as the directory for build output"
  19
  20     MARKER=build/auto-created-by-configure
  21
  22     if test -e build
  23     then
  24         if test -f $MARKER
  25         then
  26            rm -rf build
  27         else
  28             echo "ERROR: ./build dir already exists and was not previously created by configure"
  29             exit 1
  30         fi
  31     fi
  32
  33     if ! mkdir build || ! touch $MARKER
  34     then
  35         echo "ERROR: Could not create ./build directory. Check the permissions on"
  36         echo "your source directory, or try doing an out-of-tree build."
  37         exit 1
  38     fi
  39
  40     cat > GNUmakefile <<'EOF'
  41 # This file is auto-generated by configure to support in-source tree
  42 # 'make' command invocation
  43
  44 build:
  45         @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
  46         @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
  47         @if test "$(MAKECMDGOALS)" = "distclean" && \
  48             test -e build/auto-created-by-configure ; \
  49         then \
  50             rm -rf build GNUmakefile ; \
  51         fi
  52 %: build
  53         @
  54 .PHONY: build
  55 GNUmakefile: ;
  56
  57 EOF
  58     cd build
  59     exec "$source_path/configure" "$@"
  60 fi
  61
  62 # Temporary directory used for files created while
  63 # configure runs. Since it is in the build directory
  64 # we can safely blow away any previous version of it
  65 # (and we need not jump through hoops to try to delete
  66 # it when configure exits.)
  67 TMPDIR1="config-temp"
  68 rm -rf "${TMPDIR1}"
  69 if ! mkdir -p "${TMPDIR1}"; then
  70     echo "ERROR: failed to create temporary directory"
  71     exit 1
  72 fi
  73
  74 TMPB="qemu-conf"
  75 TMPC="${TMPDIR1}/${TMPB}.c"
  76 TMPO="${TMPDIR1}/${TMPB}.o"
  77 TMPE="${TMPDIR1}/${TMPB}.exe"
  78
  79 rm -f config.log
  80
  81 # Print a helpful header at the top of config.log
  82 echo "# QEMU configure log $(date)" >> config.log
  83 printf "# Configured with:" >> config.log
  84 # repeat the invocation to log and stdout for CI
  85 invoke=$(printf " '%s'" "$0" "$@")
  86 test -n "$GITLAB_CI" && echo "configuring with: $invoke"
  87 { echo "$invoke"; echo; echo "#"; } >> config.log
  88
  89 quote_sh() {
  90     printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
  91 }
  92
  93 error_exit() {
  94     (echo
  95     echo "ERROR: $1"
  96     while test -n "$2"; do
  97         echo "       $2"
  98         shift
  99     done
 100     echo) >&2
 101     exit 1
 102 }
 103
 104 do_compiler() {
 105   # Run the compiler, capturing its output to the log. First argument
 106   # is compiler binary to execute.
 107   compiler="$1"
 108   shift
 109   if test -n "$BASH_VERSION"; then eval '
 110       echo >>config.log "
 111 funcs: ${FUNCNAME[*]}
 112 lines: ${BASH_LINENO[*]}"
 113   '; fi
 114   echo $compiler "$@" >> config.log
 115   $compiler "$@" >> config.log 2>&1 || return $?
 116 }
 117
 118 do_cc() {
 119     do_compiler "$cc" $CPU_CFLAGS "$@"
 120 }
 121
 122 compile_object() {
 123   local_cflags="$1"
 124   do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -c -o $TMPO $TMPC
 125 }
 126
 127 compile_prog() {
 128   local_cflags="$1"
 129   local_ldflags="$2"
 130   do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -o $TMPE $TMPC \
 131       $LDFLAGS $EXTRA_LDFLAGS $local_ldflags
 132 }
 133
 134 # symbolically link $1 to $2.  Portable version of "ln -sf".
 135 symlink() {
 136   rm -rf "$2"
 137   mkdir -p "$(dirname "$2")"
 138   ln -s "$1" "$2"
 139 }
 140
 141 # check whether a command is available to this shell (may be either an
 142 # executable or a builtin)
 143 has() {
 144     type "$1" >/dev/null 2>&1
 145 }
 146
 147 version_ge () {
 148     local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
 149     local_ver2=$(echo "$2" | tr . ' ')
 150     while true; do
 151         set x $local_ver1
 152         local_first=${2-0}
 153         # 'shift 2' if $2 is set, or 'shift' if $2 is not set
 154         shift ${2:+2}
 155         local_ver1=$*
 156         set x $local_ver2
 157         # the second argument finished, the first must be greater or equal
 158         test $# = 1 && return 0
 159         test $local_first -lt $2 && return 1
 160         test $local_first -gt $2 && return 0
 161         shift ${2:+2}
 162         local_ver2=$*
 163     done
 164 }
 165
 166 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 167 then
 168   error_exit "main directory cannot contain spaces nor colons"
 169 fi
 170
 171 # parse CC options first; some compiler tests are used to establish
 172 # some defaults, based on the host environment
 173
 174 # default parameters
 175 container_engine="auto"
 176 cpu=""
 177 cross_compile="no"
 178 cross_prefix=""
 179 host_cc="cc"
 180 EXTRA_CFLAGS=""
 181 EXTRA_CXXFLAGS=""
 182 EXTRA_OBJCFLAGS=""
 183 EXTRA_LDFLAGS=""
 184
 185 # Default value for a variable defining feature "foo".
 186 #  * foo="no"  feature will only be used if --enable-foo arg is given
 187 #  * foo=""    feature will be searched for, and if found, will be used
 188 #              unless --disable-foo is given
 189 #  * foo="yes" this value will only be set by --enable-foo flag.
 190 #              feature will searched for,
 191 #              if not found, configure exits with error
 192 #
 193 # Always add --enable-foo and --disable-foo command line args.
 194 # Distributions want to ensure that several features are compiled in, and it
 195 # is impossible without a --enable-foo that exits if a feature is not found.
 196 default_feature=""
 197
 198 for opt do
 199   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 200   case "$opt" in
 201   --cross-prefix=*) cross_prefix="$optarg"
 202                     cross_compile="yes"
 203   ;;
 204   --cc=*) CC="$optarg"
 205   ;;
 206   --cxx=*) CXX="$optarg"
 207   ;;
 208   --objcc=*) objcc="$optarg"
 209   ;;
 210   --cpu=*) cpu="$optarg"
 211   ;;
 212   --extra-cflags=*)
 213     EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
 214     EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
 215     EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
 216     ;;
 217   --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
 218   ;;
 219   --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
 220   ;;
 221   --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
 222   ;;
 223   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 224   ;;
 225   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
 226                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 227   ;;
 228   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 229                 eval "cross_cc_${cc_arch}=\$optarg"
 230   ;;
 231   --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
 232   ;;
 233   --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
 234                     eval "cross_prefix_${cc_arch}=\$optarg"
 235   ;;
 236   --without-default-features) default_feature="no"
 237   ;;
 238   esac
 239 done
 240
 241 default_cflags='-O2 -g'
 242 git_submodules_action="update"
 243 docs="auto"
 244 EXESUF=""
 245 system="yes"
 246 linux_user=""
 247 bsd_user=""
 248 plugins="$default_feature"
 249 subdirs=""
 250 ninja=""
 251 python=
 252 download="enabled"
 253 skip_meson=no
 254 use_containers="yes"
 255 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 256 gdb_arches=""
 257
 258 # Don't accept a target_list environment variable.
 259 unset target_list
 260 unset target_list_exclude
 261
 262 # The following Meson options are handled manually (still they
 263 # are included in the automatically generated help message)
 264 # because they automatically enable/disable other options
 265 tcg="auto"
 266 cfi="false"
 267
 268 # Meson has PIE as a boolean rather than enabled/disabled/auto,
 269 # and we also need to check for -static-pie before Meson runs
 270 # which requires knowing whether --static is enabled.
 271 pie=""
 272 static="no"
 273
 274 # Preferred compiler:
 275 #  ${CC} (if set)
 276 #  ${cross_prefix}gcc (if cross-prefix specified)
 277 #  system compiler
 278 if test -z "${CC}${cross_prefix}"; then
 279   cc="cc"
 280 else
 281   cc="${CC-${cross_prefix}gcc}"
 282 fi
 283
 284 if test -z "${CXX}${cross_prefix}"; then
 285   cxx="c++"
 286 else
 287   cxx="${CXX-${cross_prefix}g++}"
 288 fi
 289
 290 # Preferred ObjC compiler:
 291 # $objcc (if set, i.e. via --objcc option)
 292 # ${cross_prefix}clang (if cross-prefix specified)
 293 # clang (if available)
 294 # $cc
 295 if test -z "${objcc}${cross_prefix}"; then
 296   if has clang; then
 297     objcc=clang
 298   else
 299     objcc="$cc"
 300   fi
 301 else
 302   objcc="${objcc-${cross_prefix}clang}"
 303 fi
 304
 305 ar="${AR-${cross_prefix}ar}"
 306 as="${AS-${cross_prefix}as}"
 307 ccas="${CCAS-$cc}"
 308 dlltool="${DLLTOOL-${cross_prefix}dlltool}"
 309 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 310 ld="${LD-${cross_prefix}ld}"
 311 ranlib="${RANLIB-${cross_prefix}ranlib}"
 312 nm="${NM-${cross_prefix}nm}"
 313 strip="${STRIP-${cross_prefix}strip}"
 314 widl="${WIDL-${cross_prefix}widl}"
 315 windres="${WINDRES-${cross_prefix}windres}"
 316 windmc="${WINDMC-${cross_prefix}windmc}"
 317 pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}"
 318 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 319
 320 check_define() {
 321 cat > $TMPC <<EOF
 322 #if !defined($1)
 323 #error $1 not defined
 324 #endif
 325 int main(void) { return 0; }
 326 EOF
 327   compile_object
 328 }
 329
 330 write_c_skeleton() {
 331     cat > $TMPC <<EOF
 332 int main(void) { return 0; }
 333 EOF
 334 }
 335
 336 if check_define __linux__ ; then
 337   host_os=linux
 338 elif check_define _WIN32 ; then
 339   host_os=windows
 340 elif check_define __OpenBSD__ ; then
 341   host_os=openbsd
 342 elif check_define __sun__ ; then
 343   host_os=sunos
 344 elif check_define __HAIKU__ ; then
 345   host_os=haiku
 346 elif check_define __FreeBSD__ ; then
 347   host_os=freebsd
 348 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 349   host_os=gnu/kfreebsd
 350 elif check_define __DragonFly__ ; then
 351   host_os=dragonfly
 352 elif check_define __NetBSD__; then
 353   host_os=netbsd
 354 elif check_define __APPLE__; then
 355   host_os=darwin
 356 else
 357   # This is a fatal error, but don't report it yet, because we
 358   # might be going to just print the --help text, or it might
 359   # be the result of a missing compiler.
 360   host_os=bogus
 361 fi
 362
 363 if test ! -z "$cpu" ; then
 364   # command line argument
 365   :
 366 elif check_define __i386__ ; then
 367   cpu="i386"
 368 elif check_define __x86_64__ ; then
 369   if check_define __ILP32__ ; then
 370     cpu="x32"
 371   else
 372     cpu="x86_64"
 373   fi
 374 elif check_define __sparc__ ; then
 375   if check_define __arch64__ ; then
 376     cpu="sparc64"
 377   else
 378     cpu="sparc"
 379   fi
 380 elif check_define _ARCH_PPC ; then
 381   if check_define _ARCH_PPC64 ; then
 382     if check_define _LITTLE_ENDIAN ; then
 383       cpu="ppc64le"
 384     else
 385       cpu="ppc64"
 386     fi
 387   else
 388     cpu="ppc"
 389   fi
 390 elif check_define __mips__ ; then
 391   cpu="mips"
 392 elif check_define __s390__ ; then
 393   if check_define __s390x__ ; then
 394     cpu="s390x"
 395   else
 396     cpu="s390"
 397   fi
 398 elif check_define __riscv ; then
 399   if check_define _LP64 ; then
 400     cpu="riscv64"
 401   else
 402     cpu="riscv32"
 403   fi
 404 elif check_define __arm__ ; then
 405   cpu="arm"
 406 elif check_define __aarch64__ ; then
 407   cpu="aarch64"
 408 elif check_define __loongarch64 ; then
 409   cpu="loongarch64"
 410 else
 411   # Using uname is really broken, but it is just a fallback for architectures
 412   # that are going to use TCI anyway
 413   cpu=$(uname -m)
 414   echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
 415 fi
 416
 417 # Normalise host CPU name to the values used by Meson cross files and in source
 418 # directories, and set multilib cflags.  The canonicalization isn't really
 419 # necessary, because the architectures that we check for should not hit the
 420 # 'uname -m' case, but better safe than sorry in case --cpu= is used.
 421 #
 422 # Note that this case should only have supported host CPUs, not guests.
 423 # Please keep it sorted and synchronized with meson.build's host_arch.
 424 host_arch=
 425 linux_arch=
 426 case "$cpu" in
 427   aarch64)
 428     host_arch=aarch64
 429     linux_arch=arm64
 430     ;;
 431
 432   armv*b|armv*l|arm)
 433     cpu=arm
 434     host_arch=arm
 435     linux_arch=arm
 436     ;;
 437
 438   i386|i486|i586|i686)
 439     cpu="i386"
 440     host_arch=i386
 441     linux_arch=x86
 442     CPU_CFLAGS="-m32"
 443     ;;
 444
 445   loongarch*)
 446     cpu=loongarch64
 447     host_arch=loongarch64
 448     linux_arch=loongarch
 449     ;;
 450
 451   mips64*)
 452     cpu=mips64
 453     host_arch=mips
 454     linux_arch=mips
 455     ;;
 456   mips*)
 457     cpu=mips
 458     host_arch=mips
 459     linux_arch=mips
 460     ;;
 461
 462   ppc)
 463     host_arch=ppc
 464     linux_arch=powerpc
 465     CPU_CFLAGS="-m32"
 466     ;;
 467   ppc64)
 468     host_arch=ppc64
 469     linux_arch=powerpc
 470     CPU_CFLAGS="-m64 -mbig-endian"
 471     ;;
 472   ppc64le)
 473     cpu=ppc64
 474     host_arch=ppc64
 475     linux_arch=powerpc
 476     CPU_CFLAGS="-m64 -mlittle-endian"
 477     ;;
 478
 479   riscv32 | riscv64)
 480     host_arch=riscv
 481     linux_arch=riscv
 482     ;;
 483
 484   s390)
 485     linux_arch=s390
 486     CPU_CFLAGS="-m31"
 487     ;;
 488   s390x)
 489     host_arch=s390x
 490     linux_arch=s390
 491     CPU_CFLAGS="-m64"
 492     ;;
 493
 494   sparc|sun4[cdmuv])
 495     cpu=sparc
 496     CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
 497     ;;
 498   sparc64)
 499     host_arch=sparc64
 500     CPU_CFLAGS="-m64 -mcpu=ultrasparc"
 501     ;;
 502
 503   x32)
 504     cpu="x86_64"
 505     host_arch=x86_64
 506     linux_arch=x86
 507     CPU_CFLAGS="-mx32"
 508     ;;
 509   x86_64|amd64)
 510     cpu="x86_64"
 511     host_arch=x86_64
 512     linux_arch=x86
 513     # ??? Only extremely old AMD cpus do not have cmpxchg16b.
 514     # If we truly care, we should simply detect this case at
 515     # runtime and generate the fallback to serial emulation.
 516     CPU_CFLAGS="-m64 -mcx16"
 517     ;;
 518 esac
 519
 520 if test -n "$host_arch" && {
 521     ! test -d "$source_path/linux-user/include/host/$host_arch" ||
 522     ! test -d "$source_path/common-user/host/$host_arch"; }; then
 523     error_exit "linux-user/include/host/$host_arch does not exist." \
 524        "This is a bug in the configure script, please report it."
 525 fi
 526 if test -n "$linux_arch" && ! test -d "$source_path/linux-headers/asm-$linux_arch"; then
 527     error_exit "linux-headers/asm-$linux_arch does not exist." \
 528        "This is a bug in the configure script, please report it."
 529 fi
 530
 531 check_py_version() {
 532     # We require python >= 3.8.
 533     # NB: a True python conditional creates a non-zero return code (Failure)
 534     "$1" -c 'import sys; sys.exit(sys.version_info < (3,8))'
 535 }
 536
 537 first_python=
 538 if test -z "${PYTHON}"; then
 539     # A bare 'python' is traditionally python 2.x, but some distros
 540     # have it as python 3.x, so check in both places.
 541     for binary in python3 python python3.12 python3.11 \
 542                           python3.10 python3.9 python3.8; do
 543         if has "$binary"; then
 544             python=$(command -v "$binary")
 545             if check_py_version "$python"; then
 546                 # This one is good.
 547                 first_python=
 548                 break
 549             else
 550                 first_python=$python
 551             fi
 552         fi
 553     done
 554 else
 555     # Same as above, but only check the environment variable.
 556     has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
 557     python=$(command -v "$PYTHON")
 558     if check_py_version "$python"; then
 559         # This one is good.
 560         first_python=
 561     else
 562         first_python=$first_python
 563     fi
 564 fi
 565
 566 # Check for ancillary tools used in testing
 567 genisoimage=
 568 for binary in genisoimage mkisofs
 569 do
 570     if has $binary
 571     then
 572         genisoimage=$(command -v "$binary")
 573         break
 574     fi
 575 done
 576
 577 if test "$host_os" = "windows" ; then
 578   EXESUF=".exe"
 579 fi
 580
 581 meson_option_build_array() {
 582   printf '['
 583   (if test "$host_os" = windows; then
 584     IFS=\;
 585   else
 586     IFS=:
 587   fi
 588   for e in $1; do
 589     printf '"""'
 590     # backslash escape any '\' and '"' characters
 591     printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
 592     printf '""",'
 593   done)
 594   printf ']\n'
 595 }
 596
 597 . "$source_path/scripts/meson-buildoptions.sh"
 598
 599 meson_options=
 600 meson_option_add() {
 601   local arg
 602   for arg; do
 603     meson_options="$meson_options $(quote_sh "$arg")"
 604   done
 605 }
 606 meson_option_parse() {
 607   meson_options="$meson_options $(_meson_option_parse "$@")"
 608   if test $? -eq 1; then
 609     echo "ERROR: unknown option $1"
 610     echo "Try '$0 --help' for more information"
 611     exit 1
 612   fi
 613 }
 614
 615 meson_add_machine_file() {
 616   if test "$cross_compile" = "yes"; then
 617     meson_option_add --cross-file "$1"
 618   else
 619     meson_option_add --native-file "$1"
 620   fi
 621 }
 622
 623 for opt do
 624   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 625   case "$opt" in
 626   --help|-h) show_help=yes
 627   ;;
 628   --version|-V) exec cat "$source_path/VERSION"
 629   ;;
 630   --cross-prefix=*)
 631   ;;
 632   --cc=*)
 633   ;;
 634   --host-cc=*) host_cc="$optarg"
 635   ;;
 636   --cxx=*)
 637   ;;
 638   --objcc=*)
 639   ;;
 640   --make=*)
 641   ;;
 642   --install=*)
 643   ;;
 644   --python=*) python="$optarg"
 645   ;;
 646   --skip-meson) skip_meson=yes
 647   ;;
 648   --ninja=*) ninja="$optarg"
 649   ;;
 650   --extra-cflags=*)
 651   ;;
 652   --extra-cxxflags=*)
 653   ;;
 654   --extra-objcflags=*)
 655   ;;
 656   --extra-ldflags=*)
 657   ;;
 658   --cross-cc-*)
 659   ;;
 660   --cross-prefix-*)
 661   ;;
 662   --enable-docs) docs=enabled
 663   ;;
 664   --disable-docs) docs=disabled
 665   ;;
 666   --cpu=*)
 667   ;;
 668   --target-list=*) target_list="$optarg"
 669                    if test "$target_list_exclude"; then
 670                        error_exit "Can't mix --target-list with --target-list-exclude"
 671                    fi
 672   ;;
 673   --target-list-exclude=*) target_list_exclude="$optarg"
 674                    if test "$target_list"; then
 675                        error_exit "Can't mix --target-list-exclude with --target-list"
 676                    fi
 677   ;;
 678   --with-default-devices) meson_option_add -Ddefault_devices=true
 679   ;;
 680   --without-default-devices) meson_option_add -Ddefault_devices=false
 681   ;;
 682   --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
 683   ;;
 684   --with-devices-*) device_arch=${opt#--with-devices-};
 685                     device_arch=${device_arch%%=*}
 686                     cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
 687                     if test -f "$cf"; then
 688                         device_archs="$device_archs $device_arch"
 689                         eval "devices_${device_arch}=\$optarg"
 690                     else
 691                         error_exit "File $cf does not exist"
 692                     fi
 693   ;;
 694   --without-default-features) # processed above
 695   ;;
 696   --static) static="yes"
 697   ;;
 698   --host=*|--build=*|\
 699   --disable-dependency-tracking|\
 700   --sbindir=*|--sharedstatedir=*|\
 701   --oldincludedir=*|--datarootdir=*|--infodir=*|\
 702   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 703     # These switches are silently ignored, for compatibility with
 704     # autoconf-generated configure scripts. This allows QEMU's
 705     # configure to be used by RPM and similar macros that set
 706     # lots of directory switches by default.
 707   ;;
 708   --enable-debug)
 709       # Enable debugging options that aren't excessively noisy
 710       meson_option_parse --enable-debug-tcg ""
 711       meson_option_parse --enable-debug-graph-lock ""
 712       meson_option_parse --enable-debug-mutex ""
 713       meson_option_add -Doptimization=0
 714       default_cflags='-O0 -g'
 715   ;;
 716   --disable-tcg) tcg="disabled"
 717   ;;
 718   --enable-tcg) tcg="enabled"
 719   ;;
 720   --disable-system) system="no"
 721   ;;
 722   --enable-system) system="yes"
 723   ;;
 724   --disable-user)
 725       linux_user="no" ;
 726       bsd_user="no" ;
 727   ;;
 728   --enable-user) ;;
 729   --disable-linux-user) linux_user="no"
 730   ;;
 731   --enable-linux-user) linux_user="yes"
 732   ;;
 733   --disable-bsd-user) bsd_user="no"
 734   ;;
 735   --enable-bsd-user) bsd_user="yes"
 736   ;;
 737   --enable-pie) pie="yes"
 738   ;;
 739   --disable-pie) pie="no"
 740   ;;
 741   --enable-cfi) cfi=true
 742   ;;
 743   --disable-cfi) cfi=false
 744   ;;
 745   --disable-download) download="disabled"; git_submodules_action=validate;
 746   ;;
 747   --enable-download) download="enabled"; git_submodules_action=update;
 748   ;;
 749   --enable-plugins) plugins="yes"
 750   ;;
 751   --disable-plugins) plugins="no"
 752   ;;
 753   --enable-containers) use_containers="yes"
 754   ;;
 755   --disable-containers) use_containers="no"
 756   ;;
 757   --container-engine=*) container_engine="$optarg"
 758   ;;
 759   --gdb=*) gdb_bin="$optarg"
 760   ;;
 761   # everything else has the same name in configure and meson
 762   --*) meson_option_parse "$opt" "$optarg"
 763   ;;
 764   # Pass through -Dxxxx options to meson
 765   -D*) meson_options="$meson_options $opt"
 766   ;;
 767   esac
 768 done
 769
 770 if ! test -e "$source_path/.git"
 771 then
 772     git_submodules_action="validate"
 773 fi
 774
 775 if ! test -f "$source_path/subprojects/keycodemapdb/README" \
 776     && test "$download" = disabled
 777 then
 778     echo
 779     echo "ERROR: missing subprojects"
 780     echo
 781     if test -e "$source_path/.git"; then
 782         echo "--disable-download specified but subprojects were not"
 783         echo 'checked out.  Please invoke "meson subprojects download"'
 784         echo "before configuring QEMU, or remove --disable-download"
 785         echo "from the command line."
 786     else
 787         echo "This is not a GIT checkout but subproject content appears to"
 788         echo "be missing. Do not use 'git archive' or GitHub download links"
 789         echo "to acquire QEMU source archives. Non-GIT builds are only"
 790         echo "supported with source archives linked from:"
 791         echo
 792         echo "  https://www.qemu.org/download/#source"
 793         echo
 794         echo "Developers working with GIT can use scripts/archive-source.sh"
 795         echo "if they need to create valid source archives."
 796     fi
 797     echo
 798     exit 1
 799 fi
 800
 801 default_target_list=""
 802 mak_wilds=""
 803
 804 if [ -n "$host_arch" ] && [ -d "$source_path/common-user/host/$host_arch" ]; then
 805     if [ "$linux_user" != no ]; then
 806         if [ "$host_os" = linux ]; then
 807             linux_user=yes
 808         elif [ "$linux_user" = yes ]; then
 809             error_exit "linux-user not supported on this architecture"
 810         fi
 811         if [ "$linux_user" = "yes" ]; then
 812             mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
 813         fi
 814     fi
 815     if [ "$bsd_user" != no ]; then
 816         if [ "$bsd_user" = "" ]; then
 817             test $host_os = freebsd && bsd_user=yes
 818         fi
 819         if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$host_os" ]; then
 820             error_exit "bsd-user not supported on this host OS"
 821         fi
 822         if [ "$bsd_user" = "yes" ]; then
 823             mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
 824         fi
 825     fi
 826 else
 827     if [ "$linux_user" = yes ] || [ "$bsd_user" = yes ]; then
 828         error_exit "user mode emulation not supported on this architecture"
 829     fi
 830 fi
 831 if [ "$system" = "yes" ]; then
 832     mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
 833 fi
 834
 835 for config in $mak_wilds; do
 836     target="$(basename "$config" .mak)"
 837     if echo "$target_list_exclude" | grep -vq "$target"; then
 838         default_target_list="${default_target_list} $target"
 839     fi
 840 done
 841
 842 if test x"$show_help" = x"yes" ; then
 843 cat << EOF
 844
 845 Usage: configure [options]
 846 Options: [defaults in brackets after descriptions]
 847
 848 Standard options:
 849   --help                   print this message
 850   --target-list=LIST       set target list (default: build all)
 851 $(echo Available targets: $default_target_list | \
 852   fold -s -w 53 | sed -e 's/^/                           /')
 853   --target-list-exclude=LIST exclude a set of targets from the default target-list
 854
 855 Advanced options (experts only):
 856   -Dmesonoptname=val       passthrough option to meson unmodified
 857   --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
 858   --cc=CC                  use C compiler CC [$cc]
 859   --host-cc=CC             when cross compiling, use C compiler CC for code run
 860                            at build time [$host_cc]
 861   --cxx=CXX                use C++ compiler CXX [$cxx]
 862   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
 863   --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
 864   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
 865   --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
 866   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
 867   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
 868   --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
 869   --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
 870   --python=PYTHON          use specified python [$python]
 871   --ninja=NINJA            use specified ninja [$ninja]
 872   --static                 enable static build [$static]
 873   --without-default-features default all --enable-* options to "disabled"
 874   --without-default-devices  do not include any device that is not needed to
 875                            start the emulator (only use if you are including
 876                            desired devices in configs/devices/)
 877   --with-devices-ARCH=NAME override default configs/devices
 878   --enable-debug           enable common debug build options
 879   --cpu=CPU                Build for host CPU [$cpu]
 880   --disable-containers     don't use containers for cross-building
 881   --container-engine=TYPE  which container engine to use [$container_engine]
 882   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
 883 EOF
 884   meson_options_help
 885 cat << EOF
 886   system          all system emulation targets
 887   user            supported user emulation targets
 888   linux-user      all linux usermode emulation targets
 889   bsd-user        all BSD usermode emulation targets
 890   pie             Position Independent Executables
 891
 892 NOTE: The object files are built at the place where configure is launched
 893 EOF
 894 exit 0
 895 fi
 896
 897 # Remove old dependency files to make sure that they get properly regenerated
 898 rm -f ./*/config-devices.mak.d
 899
 900 if test -z "$python"
 901 then
 902     # If first_python is set, there was a binary somewhere even though
 903     # it was not suitable.  Use it for the error message.
 904     if test -n "$first_python"; then
 905         error_exit "Cannot use '$first_python', Python >= 3.8 is required." \
 906             "Use --python=/path/to/python to specify a supported Python."
 907     else
 908         error_exit "Python not found. Use --python=/path/to/python"
 909     fi
 910 fi
 911
 912 if ! check_py_version "$python"; then
 913   error_exit "Cannot use '$python', Python >= 3.8 is required." \
 914              "Use --python=/path/to/python to specify a supported Python." \
 915              "Maybe try:" \
 916              "  openSUSE Leap 15.3+: zypper install python39" \
 917              "  CentOS 8: dnf install python38"
 918 fi
 919
 920 # Resolve PATH
 921 python="$(command -v "$python")"
 922
 923 # Create a Python virtual environment using our configured python.
 924 # The stdout of this script will be the location of a symlink that
 925 # points to the configured Python.
 926 # Entry point scripts for pip, meson, and sphinx are generated if those
 927 # packages are present.
 928
 929 # Defaults assumed for now:
 930 # - venv is cleared if it exists already;
 931 # - venv is allowed to use system packages;
 932 # - all setup can be performed offline;
 933 # - missing packages may be fetched from PyPI,
 934 #   unless --disable-download is passed.
 935 # - pip is not installed into the venv when possible,
 936 #   but ensurepip is called as a fallback when necessary.
 937
 938 echo "python determined to be '$python'"
 939 echo "python version: $($python --version)"
 940
 941 python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
 942 if test "$?" -ne 0 ; then
 943     error_exit "python venv creation failed"
 944 fi
 945
 946 # Suppress writing compiled files
 947 python="$python -B"
 948 mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
 949
 950 # Finish preparing the virtual environment using vendored .whl files
 951
 952 if $python -c 'import sys; sys.exit(sys.version_info >= (3,11))'; then
 953     $mkvenv ensure --dir "${source_path}/python/wheels" \
 954         'tomli>=1.2.0' || exit 1
 955 fi
 956 $mkvenv ensuregroup --dir "${source_path}/python/wheels" \
 957      ${source_path}/pythondeps.toml meson || exit 1
 958
 959 # At this point, we expect Meson to be installed and available.
 960 # We expect mkvenv or pip to have created pyvenv/bin/meson for us.
 961 # We ignore PATH completely here: we want to use the venv's Meson
 962 # *exclusively*.
 963
 964 meson="$(cd pyvenv/bin; pwd)/meson"
 965
 966 # Conditionally ensure Sphinx is installed.
 967
 968 mkvenv_online_flag=""
 969 if test "$download" = "enabled" ; then
 970     mkvenv_online_flag=" --online"
 971 fi
 972
 973 if test "$docs" != "disabled" ; then
 974     if ! $mkvenv ensuregroup \
 975          $(test "$docs" = "enabled" && echo "$mkvenv_online_flag") \
 976          ${source_path}/pythondeps.toml docs;
 977     then
 978         if test "$docs" = "enabled" ; then
 979             exit 1
 980         fi
 981         echo "Sphinx not found/usable, disabling docs."
 982         docs=disabled
 983     else
 984         docs=enabled
 985     fi
 986 fi
 987
 988 # Probe for ninja
 989
 990 if test -z "$ninja"; then
 991     for c in ninja ninja-build samu; do
 992         if has $c; then
 993             ninja=$(command -v "$c")
 994             break
 995         fi
 996     done
 997     if test -z "$ninja"; then
 998       error_exit "Cannot find Ninja"
 999     fi
1000 fi
1001
1002 if test "$host_os" = "bogus"; then
1003     # Now that we know that we're not printing the help and that
1004     # the compiler works (so the results of the check_defines we used
1005     # to identify the OS are reliable), if we didn't recognize the
1006     # host OS we should stop now.
1007     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1008 fi
1009
1010 # test for any invalid configuration combinations
1011 if test "$host_os" = "windows" && ! has "$dlltool"; then
1012   if test "$plugins" = "yes"; then
1013     error_exit "TCG plugins requires dlltool to build on Windows platforms"
1014   fi
1015   plugins="no"
1016 fi
1017 if test "$tcg" = "disabled" ; then
1018   if test "$plugins" = "yes"; then
1019     error_exit "Can't enable plugins on non-TCG builds"
1020   fi
1021   plugins="no"
1022 fi
1023 if test "$static" = "yes" ; then
1024   if test "$plugins" = "yes"; then
1025     error_exit "static and plugins are mutually incompatible"
1026   fi
1027   plugins="no"
1028 fi
1029 if test "$plugins" != "no"; then
1030   plugins=yes
1031   subdirs="$subdirs contrib/plugins"
1032 fi
1033
1034 cat > $TMPC << EOF
1035
1036 #ifdef __linux__
1037 #  define THREAD __thread
1038 #else
1039 #  define THREAD
1040 #endif
1041 static THREAD int tls_var;
1042 int main(void) { return tls_var; }
1043 EOF
1044
1045 if test "$host_os" = windows || test "$host_os" = haiku; then
1046   if test "$pie" = "yes"; then
1047     error_exit "PIE not available due to missing OS support"
1048   fi
1049   pie=no
1050 fi
1051
1052 if test "$pie" != "no"; then
1053   if test "$static" = "yes"; then
1054     pie_ldflags=-static-pie
1055   else
1056     pie_ldflags=-pie
1057   fi
1058   if compile_prog "-Werror -fPIE -DPIE" "$pie_ldflags"; then
1059     pie="yes"
1060   elif test "$pie" = "yes"; then
1061     error_exit "-static-pie not available due to missing toolchain support"
1062   else
1063     echo "Disabling PIE due to missing toolchain support"
1064     pie="no"
1065   fi
1066 fi
1067
1068 ##########################################
1069
1070 if test -z "${target_list+xxx}" ; then
1071     default_targets=yes
1072     for target in $default_target_list; do
1073         target_list="$target_list $target"
1074     done
1075     target_list="${target_list# }"
1076 else
1077     default_targets=no
1078     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1079     for target in $target_list; do
1080         # Check that we recognised the target name; this allows a more
1081         # friendly error message than if we let it fall through.
1082         case " $default_target_list " in
1083             *" $target "*)
1084                 ;;
1085             *)
1086                 error_exit "Unknown target name '$target'"
1087                 ;;
1088         esac
1089     done
1090 fi
1091
1092 if test "$tcg" = "auto"; then
1093   if test -z "$target_list"; then
1094     tcg="disabled"
1095   else
1096     tcg="enabled"
1097   fi
1098 fi
1099
1100 #########################################
1101 # gdb test
1102
1103 if test -n "$gdb_bin"; then
1104     gdb_version=$($gdb_bin --version | head -n 1)
1105     if version_ge ${gdb_version##* } 9.1; then
1106         gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1107     else
1108         gdb_bin=""
1109     fi
1110 fi
1111
1112 ##########################################
1113 # big/little endian test
1114 cat > $TMPC << EOF
1115 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1116 # error LITTLE
1117 #endif
1118 int main(void) { return 0; }
1119 EOF
1120
1121 if ! compile_prog ; then
1122   bigendian="no"
1123 else
1124   cat > $TMPC << EOF
1125 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1126 # error BIG
1127 #endif
1128 int main(void) { return 0; }
1129 EOF
1130
1131   if ! compile_prog ; then
1132     bigendian="yes"
1133   else
1134     echo big/little test failed
1135     exit 1
1136   fi
1137 fi
1138
1139 ##########################################
1140 # functions to probe cross compilers
1141
1142 container="no"
1143 runc=""
1144 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1145     case $($python "$source_path"/tests/docker/docker.py --engine "$container_engine" probe) in
1146         *docker) container=docker ;;
1147         podman) container=podman ;;
1148         no) container=no ;;
1149     esac
1150     if test "$container" != "no"; then
1151         docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1152         runc=$container
1153     fi
1154 fi
1155
1156 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1157 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1158 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1159 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1160 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1161 : ${cross_prefix_armeb="$cross_prefix_arm"}
1162 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1163 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1164 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1165 : ${cross_prefix_i386="i686-linux-gnu-"}
1166 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1167 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1168 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1169 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1170 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1171 : ${cross_prefix_mips="mips-linux-gnu-"}
1172 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1173 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1174 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1175 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1176 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1177 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1178 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1179 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1180 : ${cross_prefix_tricore="tricore-"}
1181 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1182
1183 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1184 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1185 : ${cross_cc_armeb="$cross_cc_arm"}
1186 : ${cross_cc_cflags_armeb="-mbig-endian"}
1187 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1188 : ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1189 : ${cross_cc_cflags_i386="-m32"}
1190 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1191 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1192 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1193 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1194 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1195 : ${cross_cc_sparc="$cross_cc_sparc64"}
1196 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1197 : ${cross_cc_cflags_x86_64="-m64"}
1198
1199 compute_target_variable() {
1200   eval "$2="
1201   if eval test -n "\"\${cross_prefix_$1}\""; then
1202     if eval has "\"\${cross_prefix_$1}\$3\""; then
1203       eval "$2=\"\${cross_prefix_$1}\$3\""
1204     fi
1205   fi
1206 }
1207
1208 have_target() {
1209   for i; do
1210     case " $target_list " in
1211       *" $i "*) return 0;;
1212       *) ;;
1213     esac
1214   done
1215   return 1
1216 }
1217
1218 # probe_target_compiler TARGET
1219 #
1220 # Look for a compiler for the given target, either native or cross.
1221 # Set variables target_* if a compiler is found, and container_cross_*
1222 # if a Docker-based cross-compiler image is known for the target.
1223 # Set got_cross_cc to yes/no depending on whether a non-container-based
1224 # compiler was found.
1225 #
1226 # If TARGET is a user-mode emulation target, also set build_static to
1227 # "y" if static linking is possible.
1228 #
1229 probe_target_compiler() {
1230   # reset all output variables
1231   got_cross_cc=no
1232   container_image=
1233   container_hosts=
1234   container_cross_prefix=
1235   container_cross_cc=
1236   container_cross_ar=
1237   container_cross_as=
1238   container_cross_ld=
1239   container_cross_nm=
1240   container_cross_objcopy=
1241   container_cross_ranlib=
1242   container_cross_strip=
1243
1244   target_arch=${1%%-*}
1245   case $target_arch in
1246     aarch64) container_hosts="x86_64 aarch64" ;;
1247     alpha) container_hosts=x86_64 ;;
1248     arm) container_hosts="x86_64 aarch64" ;;
1249     cris) container_hosts=x86_64 ;;
1250     hexagon) container_hosts=x86_64 ;;
1251     hppa) container_hosts=x86_64 ;;
1252     i386) container_hosts=x86_64 ;;
1253     loongarch64) container_hosts=x86_64 ;;
1254     m68k) container_hosts=x86_64 ;;
1255     microblaze) container_hosts=x86_64 ;;
1256     mips64el) container_hosts=x86_64 ;;
1257     mips64) container_hosts=x86_64 ;;
1258     mipsel) container_hosts=x86_64 ;;
1259     mips) container_hosts=x86_64 ;;
1260     ppc) container_hosts=x86_64 ;;
1261     ppc64|ppc64le) container_hosts=x86_64 ;;
1262     riscv64) container_hosts=x86_64 ;;
1263     s390x) container_hosts=x86_64 ;;
1264     sh4) container_hosts=x86_64 ;;
1265     sparc64) container_hosts=x86_64 ;;
1266     tricore) container_hosts=x86_64 ;;
1267     x86_64) container_hosts="aarch64 ppc64le x86_64" ;;
1268     xtensa*) container_hosts=x86_64 ;;
1269   esac
1270
1271   for host in $container_hosts; do
1272     test "$container" != no || continue
1273     test "$host" = "$cpu" || continue
1274     case $target_arch in
1275       # debian-all-test-cross architectures
1276
1277       hppa|m68k|mips|riscv64|sparc64)
1278         container_image=debian-all-test-cross
1279         ;;
1280       mips64)
1281         container_image=debian-all-test-cross
1282         container_cross_prefix=mips64-linux-gnuabi64-
1283         ;;
1284       ppc|ppc64|ppc64le)
1285         container_image=debian-all-test-cross
1286         container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1287         ;;
1288
1289       # debian-legacy-test-cross architectures (need Debian 11)
1290       # - libc6.1-dev-alpha-cross: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054412
1291       # - sh4-linux-user: binaries don't run with bookworm compiler
1292
1293       alpha|sh4)
1294         container_image=debian-legacy-test-cross
1295         ;;
1296
1297       # architectures with individual containers
1298
1299       aarch64)
1300         # We don't have any bigendian build tools so we only use this for AArch64
1301         container_image=debian-arm64-cross
1302         ;;
1303       arm)
1304         # We don't have any bigendian build tools so we only use this for ARM
1305         container_image=debian-armhf-cross
1306         container_cross_prefix=arm-linux-gnueabihf-
1307         ;;
1308       cris)
1309         container_image=fedora-cris-cross
1310         ;;
1311       hexagon)
1312         container_cross_prefix=hexagon-unknown-linux-musl-
1313         container_cross_cc=${container_cross_prefix}clang
1314         ;;
1315       i386)
1316         container_image=debian-i686-cross
1317         container_cross_prefix=i686-linux-gnu-
1318         ;;
1319       loongarch64)
1320         container_image=debian-loongarch-cross
1321         container_cross_prefix=loongarch64-unknown-linux-gnu-
1322         ;;
1323       microblaze)
1324         container_cross_prefix=microblaze-linux-musl-
1325         ;;
1326       mips64el)
1327         container_image=debian-mips64el-cross
1328         container_cross_prefix=mips64el-linux-gnuabi64-
1329         ;;
1330       tricore)
1331         container_image=debian-tricore-cross
1332         container_cross_prefix=tricore-
1333         ;;
1334       x86_64)
1335         container_image=debian-amd64-cross
1336         ;;
1337       xtensa*)
1338         container_image=debian-xtensa-cross
1339
1340         # default to the dc232b cpu
1341         container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1342         ;;
1343     esac
1344     # Debian and GNU architecture names usually match
1345     : ${container_image:=debian-$target_arch-cross}
1346     : ${container_cross_prefix:=$target_arch-linux-gnu-}
1347     : ${container_cross_cc:=${container_cross_prefix}gcc}
1348     : ${container_cross_ar:=${container_cross_prefix}ar}
1349     : ${container_cross_as:=${container_cross_prefix}as}
1350     : ${container_cross_ld:=${container_cross_prefix}ld}
1351     : ${container_cross_nm:=${container_cross_prefix}nm}
1352     : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1353     : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1354     : ${container_cross_strip:=${container_cross_prefix}strip}
1355   done
1356
1357   try=cross
1358   # For softmmu/roms also look for a bi-endian or multilib-enabled host compiler
1359   if [ "${1%softmmu}" != "$1" ] || test "$target_arch" = "$cpu"; then
1360       case "$target_arch:$cpu" in
1361         aarch64_be:aarch64 | \
1362         armeb:arm | \
1363         i386:x86_64 | \
1364         mips*:mips64 | \
1365         ppc*:ppc64 | \
1366         sparc:sparc64 | \
1367         "$cpu:$cpu")
1368         try='native cross' ;;
1369       esac
1370   fi
1371   eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1372   for thistry in $try; do
1373     case $thistry in
1374     native)
1375       target_cc=$cc
1376       target_ccas=$ccas
1377       target_ar=$ar
1378       target_as=$as
1379       target_ld=$ld
1380       target_nm=$nm
1381       target_objcopy=$objcopy
1382       target_ranlib=$ranlib
1383       target_strip=$strip
1384       ;;
1385     cross)
1386       target_cc=
1387       if eval test -n "\"\${cross_cc_$target_arch}\""; then
1388         if eval has "\"\${cross_cc_$target_arch}\""; then
1389           eval "target_cc=\"\${cross_cc_$target_arch}\""
1390         fi
1391       else
1392         compute_target_variable $target_arch target_cc gcc
1393       fi
1394       target_ccas=$target_cc
1395       compute_target_variable $target_arch target_ar ar
1396       compute_target_variable $target_arch target_as as
1397       compute_target_variable $target_arch target_ld ld
1398       compute_target_variable $target_arch target_nm nm
1399       compute_target_variable $target_arch target_objcopy objcopy
1400       compute_target_variable $target_arch target_ranlib ranlib
1401       compute_target_variable $target_arch target_strip strip
1402       ;;
1403     esac
1404
1405     if test -n "$target_cc"; then
1406       case $target_arch in
1407         i386|x86_64)
1408           if $target_cc --version | grep -qi "clang"; then
1409             continue
1410           fi
1411           ;;
1412       esac
1413     elif test -n "$target_as" && test -n "$target_ld"; then
1414       # Special handling for assembler only targets
1415       case $target in
1416         tricore-softmmu)
1417           build_static=
1418           got_cross_cc=yes
1419           break
1420           ;;
1421         *)
1422           continue
1423           ;;
1424       esac
1425     else
1426       continue
1427     fi
1428
1429     write_c_skeleton
1430     case $1 in
1431       *-softmmu)
1432         if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1433           do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1434           got_cross_cc=yes
1435           break
1436         fi
1437         ;;
1438       *)
1439         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1440           build_static=y
1441           got_cross_cc=yes
1442           break
1443         fi
1444         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1445           build_static=
1446           got_cross_cc=yes
1447           break
1448         fi
1449         ;;
1450     esac
1451   done
1452   if test $got_cross_cc != yes; then
1453     build_static=
1454     target_cc=
1455     target_ccas=
1456     target_ar=
1457     target_as=
1458     target_ld=
1459     target_nm=
1460     target_objcopy=
1461     target_ranlib=
1462     target_strip=
1463   fi
1464   test -n "$target_cc"
1465 }
1466
1467 write_target_makefile() {
1468   echo "EXTRA_CFLAGS=$target_cflags"
1469   if test -z "$target_cc" && test -z "$target_as"; then
1470     test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1471     echo "$1: docker-image-$container_image" >> Makefile.prereqs
1472     if test -n "$container_cross_cc"; then
1473       echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1474       echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1475     fi
1476     echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1477     echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1478     echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1479     echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1480     echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1481     echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1482     echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1483   else
1484     if test -n "$target_cc"; then
1485       echo "CC=$target_cc"
1486       echo "CCAS=$target_ccas"
1487     fi
1488     if test -n "$target_ar"; then
1489       echo "AR=$target_ar"
1490     fi
1491     if test -n "$target_as"; then
1492       echo "AS=$target_as"
1493     fi
1494     if test -n "$target_ld"; then
1495       echo "LD=$target_ld"
1496     fi
1497     if test -n "$target_nm"; then
1498       echo "NM=$target_nm"
1499     fi
1500     if test -n "$target_objcopy"; then
1501       echo "OBJCOPY=$target_objcopy"
1502     fi
1503     if test -n "$target_ranlib"; then
1504       echo "RANLIB=$target_ranlib"
1505     fi
1506     if test -n "$target_strip"; then
1507       echo "STRIP=$target_strip"
1508     fi
1509   fi
1510 }
1511
1512 #######################################
1513 # cross-compiled firmware targets
1514
1515 # Set up build tree symlinks that point back into the source tree
1516 # (these can be both files and directories).
1517 # Caution: avoid adding files or directories here using wildcards. This
1518 # will result in problems later if a new file matching the wildcard is
1519 # added to the source tree -- nothing will cause configure to be rerun
1520 # so the build tree will be missing the link back to the new file, and
1521 # tests might fail. Prefer to keep the relevant files in their own
1522 # directory and symlink the directory instead.
1523 LINKS="Makefile"
1524 LINKS="$LINKS docs/config"
1525 LINKS="$LINKS pc-bios/optionrom/Makefile"
1526 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1527 LINKS="$LINKS pc-bios/vof/Makefile"
1528 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1529 LINKS="$LINKS tests/avocado tests/data"
1530 LINKS="$LINKS tests/qemu-iotests/check tests/qemu-iotests/Makefile"
1531 LINKS="$LINKS python"
1532 LINKS="$LINKS contrib/plugins/Makefile "
1533 for f in $LINKS ; do
1534     if [ -e "$source_path/$f" ]; then
1535         symlink "$source_path/$f" "$f"
1536     fi
1537 done
1538
1539 # use included Linux headers for KVM architectures
1540 if test "$host_os" = "linux" && test -n "$linux_arch"; then
1541   symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1542 fi
1543
1544 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1545
1546 # Mac OS X ships with a broken assembler
1547 if have_target i386-softmmu x86_64-softmmu && \
1548         test "$host_os" != "darwin" && test "$host_os" != "sunos" && \
1549         test "$host_os" != "haiku" && \
1550         probe_target_compiler i386-softmmu; then
1551     subdirs="$subdirs pc-bios/optionrom"
1552     config_mak=pc-bios/optionrom/config.mak
1553     echo "# Automatically generated by configure - do not modify" > $config_mak
1554     echo "TOPSRC_DIR=$source_path" >> $config_mak
1555     write_target_makefile >> $config_mak
1556 fi
1557
1558 if have_target ppc-softmmu ppc64-softmmu && \
1559         probe_target_compiler ppc-softmmu; then
1560     subdirs="$subdirs pc-bios/vof"
1561     config_mak=pc-bios/vof/config.mak
1562     echo "# Automatically generated by configure - do not modify" > $config_mak
1563     echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1564     write_target_makefile >> $config_mak
1565 fi
1566
1567 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1568 # (which is the lowest architecture level that Clang supports)
1569 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu && \
1570     GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" roms/SLOF >> config.log 2>&1; then
1571   write_c_skeleton
1572   do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1573   has_z900=$?
1574   if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1575     if [ $has_z900 != 0 ]; then
1576       echo "WARNING: Your compiler does not support the z900!"
1577       echo "         The s390-ccw bios will only work with guest CPUs >= z10."
1578     fi
1579     subdirs="$subdirs pc-bios/s390-ccw"
1580     config_mak=pc-bios/s390-ccw/config-host.mak
1581     echo "# Automatically generated by configure - do not modify" > $config_mak
1582     echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1583     echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_mak
1584     write_target_makefile >> $config_mak
1585   fi
1586 fi
1587
1588 #######################################
1589 # generate config-host.mak
1590
1591 config_host_mak="config-host.mak"
1592
1593 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1594 echo >> $config_host_mak
1595
1596 echo all: >> $config_host_mak
1597
1598 echo "SRC_PATH=$source_path" >> $config_host_mak
1599 echo "TARGET_DIRS=$target_list" >> $config_host_mak
1600 echo "GDB=$gdb_bin" >> $config_host_mak
1601 if test "$container" != no; then
1602     echo "RUNC=$runc" >> $config_host_mak
1603 fi
1604 echo "SUBDIRS=$subdirs" >> $config_host_mak
1605 echo "PYTHON=$python" >> $config_host_mak
1606 echo "MKVENV_ENSUREGROUP=$mkvenv ensuregroup $mkvenv_online_flag" >> $config_host_mak
1607 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1608 echo "MESON=$meson" >> $config_host_mak
1609 echo "NINJA=$ninja" >> $config_host_mak
1610 echo "EXESUF=$EXESUF" >> $config_host_mak
1611 if test "$default_targets" = "yes"; then
1612   echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1613 fi
1614
1615 # contrib/plugins configuration
1616 echo "# Automatically generated by configure - do not modify" > contrib/plugins/$config_host_mak
1617 echo "SRC_PATH=$source_path/contrib/plugins" >> contrib/plugins/$config_host_mak
1618 echo "PKG_CONFIG=${pkg_config}" >> contrib/plugins/$config_host_mak
1619 echo "CC=$cc $CPU_CFLAGS" >> contrib/plugins/$config_host_mak
1620 echo "CFLAGS=${CFLAGS-$default_cflags} $EXTRA_CFLAGS" >> contrib/plugins/$config_host_mak
1621 if test "$host_os" = windows; then
1622   echo "DLLTOOL=$dlltool" >> contrib/plugins/$config_host_mak
1623 fi
1624 if test "$host_os" = darwin; then
1625   echo "CONFIG_DARWIN=y" >> contrib/plugins/$config_host_mak
1626 fi
1627 if test "$host_os" = windows; then
1628   echo "CONFIG_WIN32=y" >> contrib/plugins/$config_host_mak
1629 fi
1630
1631 # tests/tcg configuration
1632 mkdir -p tests/tcg
1633 echo "# Automatically generated by configure - do not modify" > tests/tcg/$config_host_mak
1634 echo "SRC_PATH=$source_path" >> tests/tcg/$config_host_mak
1635 if test "$plugins" = "yes" ; then
1636     echo "CONFIG_PLUGIN=y" >> tests/tcg/$config_host_mak
1637 fi
1638
1639 tcg_tests_targets=
1640 for target in $target_list; do
1641   arch=${target%%-*}
1642
1643   case $target in
1644     xtensa*-linux-user)
1645       # the toolchain is not complete with headers, only build system tests
1646       continue
1647       ;;
1648     *-softmmu)
1649       test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1650       qemu="qemu-system-$arch"
1651       ;;
1652     *-linux-user|*-bsd-user)
1653       qemu="qemu-$arch"
1654       ;;
1655   esac
1656
1657   if probe_target_compiler $target || test -n "$container_image"; then
1658       test -n "$container_image" && build_static=y
1659       mkdir -p "tests/tcg/$target"
1660       config_target_mak=tests/tcg/$target/config-target.mak
1661       ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1662       echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1663       echo "TARGET_NAME=$arch" >> "$config_target_mak"
1664       echo "TARGET=$target" >> "$config_target_mak"
1665       write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1666       echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1667       echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1668
1669       # will GDB work with these binaries?
1670       if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1671           echo "GDB=$gdb_bin" >> $config_target_mak
1672       fi
1673
1674       echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1675       tcg_tests_targets="$tcg_tests_targets $target"
1676   fi
1677 done
1678
1679 if test "$tcg" = "enabled"; then
1680     echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> $config_host_mak
1681 fi
1682
1683 if test "$skip_meson" = no; then
1684   cross="config-meson.cross.new"
1685   meson_quote() {
1686     test $# = 0 && return
1687     echo "'$(echo $* | sed "s/ /','/g")'"
1688   }
1689
1690   echo "# Automatically generated by configure - do not modify" > $cross
1691   echo "[properties]" >> $cross
1692
1693   # unroll any custom device configs
1694   for a in $device_archs; do
1695       eval "c=\$devices_${a}"
1696       echo "${a}-softmmu = '$c'" >> $cross
1697   done
1698
1699   echo "[built-in options]" >> $cross
1700   echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1701   echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1702   test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1703   echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1704   echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1705
1706   # Only enable by default for git builds and on select OSes
1707   echo "# environment defaults, can still be overridden on " >> $cross
1708   echo "# the command line" >> $cross
1709   if test -e "$source_path/.git" && \
1710       { test "$host_os" = linux || test "$host_os" = "windows"; }; then
1711       echo 'werror = true' >> $cross
1712   fi
1713   echo "[project options]" >> $cross
1714   if test "$SMBD" != ''; then
1715     echo "smbd = $(meson_quote "$SMBD")" >> $cross
1716   fi
1717   if test "${QEMU_GA_MANUFACTURER}" != ''; then
1718     echo "qemu_ga_manufacturer = $(meson_quote "${QEMU_GA_MANUFACTURER}")" >> $cross
1719   fi
1720   if test "${QEMU_GA_DISTRO}" != ''; then
1721     echo "qemu_ga_distro = $(meson_quote "${QEMU_GA_DISTRO}")" >> $cross
1722   fi
1723   if test "${QEMU_GA_VERSION}" != ''; then
1724     echo "qemu_ga_version = $(meson_quote "${QEMU_GA_VERSION}")" >> $cross
1725   fi
1726
1727   echo >> $cross
1728   echo "[binaries]" >> $cross
1729   echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1730   test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1731   test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1732   echo "ar = [$(meson_quote $ar)]" >> $cross
1733   echo "dlltool = [$(meson_quote $dlltool)]" >> $cross
1734   echo "nm = [$(meson_quote $nm)]" >> $cross
1735   echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1736   echo "pkg-config = [$(meson_quote $pkg_config)]" >> $cross
1737   echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1738   if has $sdl2_config; then
1739     echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1740   fi
1741   echo "strip = [$(meson_quote $strip)]" >> $cross
1742   echo "widl = [$(meson_quote $widl)]" >> $cross
1743   echo "windres = [$(meson_quote $windres)]" >> $cross
1744   echo "windmc = [$(meson_quote $windmc)]" >> $cross
1745   if test "$cross_compile" = "yes"; then
1746     echo "[host_machine]" >> $cross
1747     echo "system = '$host_os'" >> $cross
1748     case "$cpu" in
1749         i386)
1750             echo "cpu_family = 'x86'" >> $cross
1751             ;;
1752         *)
1753             echo "cpu_family = '$cpu'" >> $cross
1754             ;;
1755     esac
1756     echo "cpu = '$cpu'" >> $cross
1757     if test "$bigendian" = "yes" ; then
1758         echo "endian = 'big'" >> $cross
1759     else
1760         echo "endian = 'little'" >> $cross
1761     fi
1762
1763     native="config-meson.native.new"
1764     echo "# Automatically generated by configure - do not modify" > $native
1765     echo "[binaries]" >> $native
1766     echo "c = [$(meson_quote $host_cc)]" >> $native
1767     mv $native config-meson.native
1768     meson_option_add --native-file
1769     meson_option_add config-meson.native
1770   fi
1771   mv $cross config-meson.cross
1772   meson_add_machine_file config-meson.cross
1773   if test -f "$source_path/configs/meson/$host_os.txt"; then
1774     meson_add_machine_file $source_path/configs/meson/$host_os.txt
1775   fi
1776
1777   rm -rf meson-private meson-info meson-logs
1778
1779   test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload"
1780   test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1781   test "$static" = yes && meson_option_add -Dprefer_static=true
1782   test "$pie" = no && meson_option_add -Db_pie=false
1783
1784   # QEMU options
1785   test "$cfi" != false && meson_option_add "-Dcfi=$cfi" "-Db_lto=$cfi"
1786   test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1787   test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1788   test "$plugins" = yes && meson_option_add "-Dplugins=true"
1789   test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1790   run_meson() {
1791     NINJA=$ninja $meson setup "$@" "$PWD" "$source_path"
1792   }
1793   eval run_meson $meson_options
1794   if test "$?" -ne 0 ; then
1795       error_exit "meson setup failed"
1796   fi
1797   echo "$meson" > build.ninja.stamp
1798 else
1799   if test -f meson-private/cmd_line.txt; then
1800     # Adjust old command line options that were removed
1801     # sed -i is not portable
1802     perl -i -ne '
1803       /^sphinx_build/ && next;
1804       print;' meson-private/cmd_line.txt
1805   fi
1806 fi
1807
1808 # Save the configure command line for later reuse.
1809 cat <<EOD >config.status
1810 #!/bin/sh
1811 # Generated by configure.
1812 # Run this file to recreate the current configuration.
1813 # Compiler output produced by configure, useful for debugging
1814 # configure, is in config.log if it exists.
1815 EOD
1816
1817 preserve_env() {
1818     envname=$1
1819
1820     eval envval=\$$envname
1821
1822     if test -n "$envval"
1823     then
1824         echo "$envname='$envval'" >> config.status
1825         echo "export $envname" >> config.status
1826     else
1827         echo "unset $envname" >> config.status
1828     fi
1829 }
1830
1831 # Preserve various env variables that influence what
1832 # features/build target configure will detect
1833 preserve_env AR
1834 preserve_env AS
1835 preserve_env CC
1836 preserve_env CFLAGS
1837 preserve_env CXX
1838 preserve_env CXXFLAGS
1839 preserve_env DLLTOOL
1840 preserve_env LD
1841 preserve_env LDFLAGS
1842 preserve_env LD_LIBRARY_PATH
1843 preserve_env NM
1844 preserve_env OBJCFLAGS
1845 preserve_env OBJCOPY
1846 preserve_env PATH
1847 preserve_env PKG_CONFIG
1848 preserve_env PKG_CONFIG_LIBDIR
1849 preserve_env PKG_CONFIG_PATH
1850 preserve_env PYTHON
1851 preserve_env QEMU_GA_MANUFACTURER
1852 preserve_env QEMU_GA_DISTRO
1853 preserve_env QEMU_GA_VERSION
1854 preserve_env SDL2_CONFIG
1855 preserve_env SMBD
1856 preserve_env STRIP
1857 preserve_env WIDL
1858 preserve_env WINDRES
1859 preserve_env WINDMC
1860
1861 printf "exec" >>config.status
1862 for i in "$0" "$@"; do
1863   test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
1864 done
1865 echo ' "$@"' >>config.status
1866 chmod +x config.status
1867
1868 rm -r "$TMPDIR1"