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     mkdir build
  35     touch $MARKER
  36
  37     cat > GNUmakefile <<'EOF'
  38 # This file is auto-generated by configure to support in-source tree
  39 # 'make' command invocation
  40
  41 ifeq ($(MAKECMDGOALS),)
  42 recurse: all
  43 endif
  44
  45 .NOTPARALLEL: %
  46 %: force
  47         @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
  48         @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
  49         @if test "$(MAKECMDGOALS)" = "distclean" && \
  50             test -e build/auto-created-by-configure ; \
  51         then \
  52             rm -rf build GNUmakefile ; \
  53         fi
  54 force: ;
  55 .PHONY: force
  56 GNUmakefile: ;
  57
  58 EOF
  59     cd build
  60     exec $source_path/configure "$@"
  61 fi
  62
  63 # Temporary directory used for files created while
  64 # configure runs. Since it is in the build directory
  65 # we can safely blow away any previous version of it
  66 # (and we need not jump through hoops to try to delete
  67 # it when configure exits.)
  68 TMPDIR1="config-temp"
  69 rm -rf "${TMPDIR1}"
  70 mkdir -p "${TMPDIR1}"
  71 if [ $? -ne 0 ]; then
  72     echo "ERROR: failed to create temporary directory"
  73     exit 1
  74 fi
  75
  76 TMPB="qemu-conf"
  77 TMPC="${TMPDIR1}/${TMPB}.c"
  78 TMPO="${TMPDIR1}/${TMPB}.o"
  79 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  80 TMPE="${TMPDIR1}/${TMPB}.exe"
  81 TMPTXT="${TMPDIR1}/${TMPB}.txt"
  82
  83 rm -f config.log
  84
  85 # Print a helpful header at the top of config.log
  86 echo "# QEMU configure log $(date)" >> config.log
  87 printf "# Configured with:" >> config.log
  88 printf " '%s'" "$0" "$@" >> config.log
  89 echo >> config.log
  90 echo "#" >> config.log
  91
  92 print_error() {
  93     (echo
  94     echo "ERROR: $1"
  95     while test -n "$2"; do
  96         echo "       $2"
  97         shift
  98     done
  99     echo) >&2
 100 }
 101
 102 error_exit() {
 103     print_error "$@"
 104     exit 1
 105 }
 106
 107 do_compiler() {
 108     # Run the compiler, capturing its output to the log. First argument
 109     # is compiler binary to execute.
 110     local compiler="$1"
 111     shift
 112     if test -n "$BASH_VERSION"; then eval '
 113         echo >>config.log "
 114 funcs: ${FUNCNAME[*]}
 115 lines: ${BASH_LINENO[*]}"
 116     '; fi
 117     echo $compiler "$@" >> config.log
 118     $compiler "$@" >> config.log 2>&1 || return $?
 119     # Test passed. If this is an --enable-werror build, rerun
 120     # the test with -Werror and bail out if it fails. This
 121     # makes warning-generating-errors in configure test code
 122     # obvious to developers.
 123     if test "$werror" != "yes"; then
 124         return 0
 125     fi
 126     # Don't bother rerunning the compile if we were already using -Werror
 127     case "$*" in
 128         *-Werror*)
 129            return 0
 130         ;;
 131     esac
 132     echo $compiler -Werror "$@" >> config.log
 133     $compiler -Werror "$@" >> config.log 2>&1 && return $?
 134     error_exit "configure test passed without -Werror but failed with -Werror." \
 135         "This is probably a bug in the configure script. The failing command" \
 136         "will be at the bottom of config.log." \
 137         "You can run configure with --disable-werror to bypass this check."
 138 }
 139
 140 do_cc() {
 141     do_compiler "$cc" "$@"
 142 }
 143
 144 do_cxx() {
 145     do_compiler "$cxx" "$@"
 146 }
 147
 148 # Append $2 to the variable named $1, with space separation
 149 add_to() {
 150     eval $1=\${$1:+\"\$$1 \"}\$2
 151 }
 152
 153 update_cxxflags() {
 154     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 155     # options which some versions of GCC's C++ compiler complain about
 156     # because they only make sense for C programs.
 157     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
 158     CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu99/-std=gnu++11/)
 159     for arg in $QEMU_CFLAGS; do
 160         case $arg in
 161             -Wno-override-init|\
 162             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 163             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 164                 ;;
 165             *)
 166                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 167                 ;;
 168         esac
 169     done
 170 }
 171
 172 compile_object() {
 173   local_cflags="$1"
 174   do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 175 }
 176
 177 compile_prog() {
 178   local_cflags="$1"
 179   local_ldflags="$2"
 180   do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \
 181       $LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags
 182 }
 183
 184 # symbolically link $1 to $2.  Portable version of "ln -sf".
 185 symlink() {
 186   rm -rf "$2"
 187   mkdir -p "$(dirname "$2")"
 188   ln -s "$1" "$2"
 189 }
 190
 191 # check whether a command is available to this shell (may be either an
 192 # executable or a builtin)
 193 has() {
 194     type "$1" >/dev/null 2>&1
 195 }
 196
 197 version_ge () {
 198     local_ver1=`echo $1 | tr . ' '`
 199     local_ver2=`echo $2 | tr . ' '`
 200     while true; do
 201         set x $local_ver1
 202         local_first=${2-0}
 203         # 'shift 2' if $2 is set, or 'shift' if $2 is not set
 204         shift ${2:+2}
 205         local_ver1=$*
 206         set x $local_ver2
 207         # the second argument finished, the first must be greater or equal
 208         test $# = 1 && return 0
 209         test $local_first -lt $2 && return 1
 210         test $local_first -gt $2 && return 0
 211         shift ${2:+2}
 212         local_ver2=$*
 213     done
 214 }
 215
 216 have_backend () {
 217     echo "$trace_backends" | grep "$1" >/dev/null
 218 }
 219
 220 glob() {
 221     eval test -z '"${1#'"$2"'}"'
 222 }
 223
 224 ld_has() {
 225     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 226 }
 227
 228 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 229 then
 230   error_exit "main directory cannot contain spaces nor colons"
 231 fi
 232
 233 # default parameters
 234 cpu=""
 235 iasl="iasl"
 236 interp_prefix="/usr/gnemul/qemu-%M"
 237 static="no"
 238 cross_prefix=""
 239 audio_drv_list=""
 240 block_drv_rw_whitelist=""
 241 block_drv_ro_whitelist=""
 242 host_cc="cc"
 243 audio_win_int=""
 244 libs_qga=""
 245 debug_info="yes"
 246 stack_protector=""
 247 safe_stack=""
 248 use_containers="yes"
 249 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 250
 251 if test -e "$source_path/.git"
 252 then
 253     git_update=yes
 254     git_submodules="ui/keycodemapdb"
 255     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 256     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 257 else
 258     git_update=no
 259     git_submodules=""
 260
 261     if ! test -f "$source_path/ui/keycodemapdb/README"
 262     then
 263         echo
 264         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 265         echo
 266         echo "This is not a GIT checkout but module content appears to"
 267         echo "be missing. Do not use 'git archive' or GitHub download links"
 268         echo "to acquire QEMU source archives. Non-GIT builds are only"
 269         echo "supported with source archives linked from:"
 270         echo
 271         echo "  https://www.qemu.org/download/#source"
 272         echo
 273         echo "Developers working with GIT can use scripts/archive-source.sh"
 274         echo "if they need to create valid source archives."
 275         echo
 276         exit 1
 277     fi
 278 fi
 279 git="git"
 280
 281 # Don't accept a target_list environment variable.
 282 unset target_list
 283 unset target_list_exclude
 284
 285 # Default value for a variable defining feature "foo".
 286 #  * foo="no"  feature will only be used if --enable-foo arg is given
 287 #  * foo=""    feature will be searched for, and if found, will be used
 288 #              unless --disable-foo is given
 289 #  * foo="yes" this value will only be set by --enable-foo flag.
 290 #              feature will searched for,
 291 #              if not found, configure exits with error
 292 #
 293 # Always add --enable-foo and --disable-foo command line args.
 294 # Distributions want to ensure that several features are compiled in, and it
 295 # is impossible without a --enable-foo that exits if a feature is not found.
 296
 297 brlapi=""
 298 curl=""
 299 iconv="auto"
 300 curses="auto"
 301 docs="auto"
 302 fdt="auto"
 303 netmap="no"
 304 sdl="auto"
 305 sdl_image="auto"
 306 virtiofsd="auto"
 307 virtfs=""
 308 libudev="auto"
 309 mpath="auto"
 310 vnc="enabled"
 311 sparse="auto"
 312 vde=""
 313 vnc_sasl="auto"
 314 vnc_jpeg="auto"
 315 vnc_png="auto"
 316 xkbcommon="auto"
 317 xen=""
 318 xen_ctrl_version=""
 319 xen_pci_passthrough="auto"
 320 linux_aio=""
 321 linux_io_uring=""
 322 cap_ng=""
 323 attr=""
 324 libattr=""
 325 xfs=""
 326 tcg="enabled"
 327 membarrier=""
 328 vhost_net=""
 329 vhost_crypto=""
 330 vhost_scsi=""
 331 vhost_vsock=""
 332 vhost_user="no"
 333 vhost_user_blk_server="auto"
 334 vhost_user_fs=""
 335 kvm="auto"
 336 hax="auto"
 337 hvf="auto"
 338 whpx="auto"
 339 rdma=""
 340 pvrdma=""
 341 gprof="no"
 342 debug_tcg="no"
 343 debug="no"
 344 sanitizers="no"
 345 tsan="no"
 346 fortify_source=""
 347 strip_opt="yes"
 348 tcg_interpreter="no"
 349 bigendian="no"
 350 mingw32="no"
 351 gcov="no"
 352 EXESUF=""
 353 HOST_DSOSUF=".so"
 354 modules="no"
 355 module_upgrades="no"
 356 prefix="/usr/local"
 357 qemu_suffix="qemu"
 358 slirp="auto"
 359 oss_lib=""
 360 bsd="no"
 361 haiku="no"
 362 linux="no"
 363 solaris="no"
 364 profiler="no"
 365 cocoa="auto"
 366 softmmu="yes"
 367 linux_user="no"
 368 bsd_user="no"
 369 blobs="true"
 370 pkgversion=""
 371 pie=""
 372 qom_cast_debug="yes"
 373 trace_backends="log"
 374 trace_file="trace"
 375 spice=""
 376 rbd=""
 377 smartcard=""
 378 u2f="auto"
 379 libusb=""
 380 usb_redir=""
 381 opengl=""
 382 opengl_dmabuf="no"
 383 cpuid_h="no"
 384 avx2_opt=""
 385 capstone="auto"
 386 lzo=""
 387 snappy=""
 388 bzip2=""
 389 lzfse=""
 390 zstd=""
 391 guest_agent=""
 392 guest_agent_with_vss="no"
 393 guest_agent_ntddscsi="no"
 394 guest_agent_msi=""
 395 vss_win32_sdk=""
 396 win_sdk="no"
 397 want_tools=""
 398 libiscsi=""
 399 libnfs=""
 400 coroutine=""
 401 coroutine_pool=""
 402 debug_stack_usage="no"
 403 crypto_afalg="no"
 404 seccomp=""
 405 glusterfs=""
 406 glusterfs_xlator_opt="no"
 407 glusterfs_discard="no"
 408 glusterfs_fallocate="no"
 409 glusterfs_zerofill="no"
 410 glusterfs_ftruncate_has_stat="no"
 411 glusterfs_iocb_has_stat="no"
 412 gtk=""
 413 gtk_gl="no"
 414 tls_priority="NORMAL"
 415 gnutls=""
 416 nettle=""
 417 nettle_xts="no"
 418 gcrypt=""
 419 gcrypt_hmac="no"
 420 gcrypt_xts="no"
 421 qemu_private_xts="yes"
 422 auth_pam=""
 423 vte=""
 424 virglrenderer=""
 425 tpm=""
 426 libssh=""
 427 live_block_migration="yes"
 428 numa=""
 429 tcmalloc="no"
 430 jemalloc="no"
 431 replication="yes"
 432 bochs="yes"
 433 cloop="yes"
 434 dmg="yes"
 435 qcow1="yes"
 436 vdi="yes"
 437 vvfat="yes"
 438 qed="yes"
 439 parallels="yes"
 440 sheepdog="no"
 441 libxml2=""
 442 debug_mutex="no"
 443 libpmem=""
 444 default_devices="yes"
 445 plugins="no"
 446 fuzzing="no"
 447 rng_none="no"
 448 secret_keyring=""
 449 libdaxctl=""
 450 meson=""
 451 ninja=""
 452 skip_meson=no
 453 gettext=""
 454
 455 bogus_os="no"
 456 malloc_trim="auto"
 457
 458 # parse CC options first
 459 for opt do
 460   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 461   case "$opt" in
 462   --cross-prefix=*) cross_prefix="$optarg"
 463   ;;
 464   --cc=*) CC="$optarg"
 465   ;;
 466   --cxx=*) CXX="$optarg"
 467   ;;
 468   --cpu=*) cpu="$optarg"
 469   ;;
 470   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 471                     QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 472   ;;
 473   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 474   ;;
 475   --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 476                      EXTRA_LDFLAGS="$optarg"
 477   ;;
 478   --enable-debug-info) debug_info="yes"
 479   ;;
 480   --disable-debug-info) debug_info="no"
 481   ;;
 482   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 483   ;;
 484   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 485                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 486                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 487   ;;
 488   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 489                 cc_archs="$cc_archs $cc_arch"
 490                 eval "cross_cc_${cc_arch}=\$optarg"
 491                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 492   ;;
 493   esac
 494 done
 495 # OS specific
 496 # Using uname is really, really broken.  Once we have the right set of checks
 497 # we can eliminate its usage altogether.
 498
 499 # Preferred compiler:
 500 #  ${CC} (if set)
 501 #  ${cross_prefix}gcc (if cross-prefix specified)
 502 #  system compiler
 503 if test -z "${CC}${cross_prefix}"; then
 504   cc="$host_cc"
 505 else
 506   cc="${CC-${cross_prefix}gcc}"
 507 fi
 508
 509 if test -z "${CXX}${cross_prefix}"; then
 510   cxx="c++"
 511 else
 512   cxx="${CXX-${cross_prefix}g++}"
 513 fi
 514
 515 ar="${AR-${cross_prefix}ar}"
 516 as="${AS-${cross_prefix}as}"
 517 ccas="${CCAS-$cc}"
 518 cpp="${CPP-$cc -E}"
 519 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 520 ld="${LD-${cross_prefix}ld}"
 521 ranlib="${RANLIB-${cross_prefix}ranlib}"
 522 nm="${NM-${cross_prefix}nm}"
 523 strip="${STRIP-${cross_prefix}strip}"
 524 windres="${WINDRES-${cross_prefix}windres}"
 525 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 526 query_pkg_config() {
 527     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 528 }
 529 pkg_config=query_pkg_config
 530 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 531
 532 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 533 ARFLAGS="${ARFLAGS-rv}"
 534
 535 # default flags for all hosts
 536 # We use -fwrapv to tell the compiler that we require a C dialect where
 537 # left shift of signed integers is well defined and has the expected
 538 # 2s-complement style results. (Both clang and gcc agree that it
 539 # provides these semantics.)
 540 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 541 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 542 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 543 QEMU_CFLAGS="-Wno-unused-parameter $QEMU_CFLAGS"
 544 QEMU_CFLAGS="-Wno-missing-field-initializers $QEMU_CFLAGS"
 545 QEMU_CFLAGS="-Wno-sign-compare $QEMU_CFLAGS"
 546 QEMU_CFLAGS="-Wno-override-init $QEMU_CFLAGS"
 547 QEMU_CFLAGS="-Wno-error=cast-function-type $QEMU_CFLAGS"
 548 QEMU_CFLAGS="-Wno-error=format $QEMU_CFLAGS"
 549 QEMU_CFLAGS="-Wno-error=format-extra-args $QEMU_CFLAGS"
 550 QEMU_CFLAGS="-Wmissing-format-attribute $QEMU_CFLAGS"
 551 QEMU_CFLAGS="-Wno-error=parentheses $QEMU_CFLAGS"
 552 QEMU_CFLAGS="-Wextra $QEMU_CFLAGS"
 553 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 554
 555 # Flags that are needed during configure but later taken care of by Meson
 556 CONFIGURE_CFLAGS="-std=gnu99 -Wall"
 557 CONFIGURE_LDFLAGS=
 558
 559 check_define() {
 560 rm -f $TMPC
 561 cat > $TMPC <<EOF
 562 #if !defined($1)
 563 #error $1 not defined
 564 #endif
 565 int main(void) { return 0; }
 566 EOF
 567   compile_object
 568 }
 569
 570 check_include() {
 571 cat > $TMPC <<EOF
 572 #include <$1>
 573 int main(void) { return 0; }
 574 EOF
 575   compile_object
 576 }
 577
 578 write_c_skeleton() {
 579     cat > $TMPC <<EOF
 580 int main(void) { return 0; }
 581 EOF
 582 }
 583
 584 write_c_fuzzer_skeleton() {
 585     cat > $TMPC <<EOF
 586 #include <stdint.h>
 587 #include <sys/types.h>
 588 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 589 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 590 EOF
 591 }
 592
 593 if check_define __linux__ ; then
 594   targetos="Linux"
 595 elif check_define _WIN32 ; then
 596   targetos='MINGW32'
 597 elif check_define __OpenBSD__ ; then
 598   targetos='OpenBSD'
 599 elif check_define __sun__ ; then
 600   targetos='SunOS'
 601 elif check_define __HAIKU__ ; then
 602   targetos='Haiku'
 603 elif check_define __FreeBSD__ ; then
 604   targetos='FreeBSD'
 605 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 606   targetos='GNU/kFreeBSD'
 607 elif check_define __DragonFly__ ; then
 608   targetos='DragonFly'
 609 elif check_define __NetBSD__; then
 610   targetos='NetBSD'
 611 elif check_define __APPLE__; then
 612   targetos='Darwin'
 613 else
 614   # This is a fatal error, but don't report it yet, because we
 615   # might be going to just print the --help text, or it might
 616   # be the result of a missing compiler.
 617   targetos='bogus'
 618   bogus_os='yes'
 619 fi
 620
 621 # Some host OSes need non-standard checks for which CPU to use.
 622 # Note that these checks are broken for cross-compilation: if you're
 623 # cross-compiling to one of these OSes then you'll need to specify
 624 # the correct CPU with the --cpu option.
 625 case $targetos in
 626 Darwin)
 627   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 628   # run 64-bit userspace code.
 629   # If the user didn't specify a CPU explicitly and the kernel says this is
 630   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 631   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 632     cpu="x86_64"
 633   fi
 634   HOST_DSOSUF=".dylib"
 635   ;;
 636 SunOS)
 637   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 638   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 639     cpu="x86_64"
 640   fi
 641 esac
 642
 643 if test ! -z "$cpu" ; then
 644   # command line argument
 645   :
 646 elif check_define __i386__ ; then
 647   cpu="i386"
 648 elif check_define __x86_64__ ; then
 649   if check_define __ILP32__ ; then
 650     cpu="x32"
 651   else
 652     cpu="x86_64"
 653   fi
 654 elif check_define __sparc__ ; then
 655   if check_define __arch64__ ; then
 656     cpu="sparc64"
 657   else
 658     cpu="sparc"
 659   fi
 660 elif check_define _ARCH_PPC ; then
 661   if check_define _ARCH_PPC64 ; then
 662     if check_define _LITTLE_ENDIAN ; then
 663       cpu="ppc64le"
 664     else
 665       cpu="ppc64"
 666     fi
 667   else
 668     cpu="ppc"
 669   fi
 670 elif check_define __mips__ ; then
 671   if check_define __mips64 ; then
 672     cpu="mips64"
 673   else
 674     cpu="mips"
 675   fi
 676 elif check_define __s390__ ; then
 677   if check_define __s390x__ ; then
 678     cpu="s390x"
 679   else
 680     cpu="s390"
 681   fi
 682 elif check_define __riscv ; then
 683   if check_define _LP64 ; then
 684     cpu="riscv64"
 685   else
 686     cpu="riscv32"
 687   fi
 688 elif check_define __arm__ ; then
 689   cpu="arm"
 690 elif check_define __aarch64__ ; then
 691   cpu="aarch64"
 692 else
 693   cpu=$(uname -m)
 694 fi
 695
 696 ARCH=
 697 # Normalise host CPU name and set ARCH.
 698 # Note that this case should only have supported host CPUs, not guests.
 699 case "$cpu" in
 700   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 701   ;;
 702   ppc64le)
 703     ARCH="ppc64"
 704   ;;
 705   i386|i486|i586|i686|i86pc|BePC)
 706     cpu="i386"
 707   ;;
 708   x86_64|amd64)
 709     cpu="x86_64"
 710   ;;
 711   armv*b|armv*l|arm)
 712     cpu="arm"
 713   ;;
 714   aarch64)
 715     cpu="aarch64"
 716   ;;
 717   mips*)
 718     cpu="mips"
 719   ;;
 720   sparc|sun4[cdmuv])
 721     cpu="sparc"
 722   ;;
 723   sh4)
 724     cpu="sh4"
 725     ;;
 726   *)
 727     # This will result in either an error or falling back to TCI later
 728     ARCH=unknown
 729   ;;
 730 esac
 731 if test -z "$ARCH"; then
 732   ARCH="$cpu"
 733 fi
 734
 735 # OS specific
 736
 737 case $targetos in
 738 MINGW32*)
 739   mingw32="yes"
 740   audio_possible_drivers="dsound sdl"
 741   if check_include dsound.h; then
 742     audio_drv_list="dsound"
 743   else
 744     audio_drv_list=""
 745   fi
 746   QEMU_INCLUDES="-I\$(SRC_PATH)/hosts/w32/include $QEMU_INCLUDES"
 747   supported_os="yes"
 748   pie="no"
 749 ;;
 750 GNU/kFreeBSD)
 751   bsd="yes"
 752   audio_drv_list="oss try-sdl"
 753   audio_possible_drivers="oss sdl pa"
 754 ;;
 755 FreeBSD)
 756   bsd="yes"
 757   make="${MAKE-gmake}"
 758   audio_drv_list="oss try-sdl"
 759   audio_possible_drivers="oss sdl pa"
 760   # needed for kinfo_getvmmap(3) in libutil.h
 761   netmap=""  # enable netmap autodetect
 762 ;;
 763 DragonFly)
 764   bsd="yes"
 765   make="${MAKE-gmake}"
 766   audio_drv_list="oss try-sdl"
 767   audio_possible_drivers="oss sdl pa"
 768 ;;
 769 NetBSD)
 770   bsd="yes"
 771   make="${MAKE-gmake}"
 772   audio_drv_list="oss try-sdl"
 773   audio_possible_drivers="oss sdl"
 774   oss_lib="-lossaudio"
 775 ;;
 776 OpenBSD)
 777   bsd="yes"
 778   make="${MAKE-gmake}"
 779   audio_drv_list="try-sdl"
 780   audio_possible_drivers="sdl"
 781 ;;
 782 Darwin)
 783   bsd="yes"
 784   darwin="yes"
 785   if [ "$cpu" = "x86_64" ] ; then
 786     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 787     QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
 788   fi
 789   cocoa="enabled"
 790   audio_drv_list="coreaudio try-sdl"
 791   audio_possible_drivers="coreaudio sdl"
 792   QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
 793   # Disable attempts to use ObjectiveC features in os/object.h since they
 794   # won't work when we're compiling with gcc as a C compiler.
 795   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 796 ;;
 797 SunOS)
 798   solaris="yes"
 799   make="${MAKE-gmake}"
 800   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 801   if test -f /usr/include/sys/soundcard.h ; then
 802     audio_drv_list="oss try-sdl"
 803   fi
 804   audio_possible_drivers="oss sdl"
 805 # needed for CMSG_ macros in sys/socket.h
 806   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 807 # needed for TIOCWIN* defines in termios.h
 808   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 809 ;;
 810 Haiku)
 811   haiku="yes"
 812   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE $QEMU_CFLAGS"
 813 ;;
 814 Linux)
 815   audio_drv_list="try-pa oss"
 816   audio_possible_drivers="oss alsa sdl pa"
 817   linux="yes"
 818   linux_user="yes"
 819   vhost_user="yes"
 820 ;;
 821 esac
 822
 823 if [ "$bsd" = "yes" ] ; then
 824   if [ "$darwin" != "yes" ] ; then
 825     bsd_user="yes"
 826   fi
 827 fi
 828
 829 : ${make=${MAKE-make}}
 830
 831 # We prefer python 3.x. A bare 'python' is traditionally
 832 # python 2.x, but some distros have it as python 3.x, so
 833 # we check that too
 834 python=
 835 explicit_python=no
 836 for binary in "${PYTHON-python3}" python
 837 do
 838     if has "$binary"
 839     then
 840         python=$(command -v "$binary")
 841         break
 842     fi
 843 done
 844
 845
 846 # Check for ancillary tools used in testing
 847 genisoimage=
 848 for binary in genisoimage mkisofs
 849 do
 850     if has $binary
 851     then
 852         genisoimage=$(command -v "$binary")
 853         break
 854     fi
 855 done
 856
 857 : ${smbd=${SMBD-/usr/sbin/smbd}}
 858
 859 # Default objcc to clang if available, otherwise use CC
 860 if has clang; then
 861   objcc=clang
 862 else
 863   objcc="$cc"
 864 fi
 865
 866 if test "$mingw32" = "yes" ; then
 867   EXESUF=".exe"
 868   HOST_DSOSUF=".dll"
 869   QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
 870   # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
 871   QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
 872   # MinGW-w64 needs _POSIX defined.
 873   QEMU_CFLAGS="-D_POSIX=1 $QEMU_CFLAGS"
 874   # MinGW needs -mthreads for TLS and macro _MT.
 875   CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
 876   write_c_skeleton;
 877   prefix="/qemu"
 878   qemu_suffix=""
 879   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 880 fi
 881
 882 werror=""
 883
 884 for opt do
 885   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 886   case "$opt" in
 887   --help|-h) show_help=yes
 888   ;;
 889   --version|-V) exec cat $source_path/VERSION
 890   ;;
 891   --prefix=*) prefix="$optarg"
 892   ;;
 893   --interp-prefix=*) interp_prefix="$optarg"
 894   ;;
 895   --cross-prefix=*)
 896   ;;
 897   --cc=*)
 898   ;;
 899   --host-cc=*) host_cc="$optarg"
 900   ;;
 901   --cxx=*)
 902   ;;
 903   --iasl=*) iasl="$optarg"
 904   ;;
 905   --objcc=*) objcc="$optarg"
 906   ;;
 907   --make=*) make="$optarg"
 908   ;;
 909   --install=*)
 910   ;;
 911   --python=*) python="$optarg" ; explicit_python=yes
 912   ;;
 913   --sphinx-build=*) sphinx_build="$optarg"
 914   ;;
 915   --skip-meson) skip_meson=yes
 916   ;;
 917   --meson=*) meson="$optarg"
 918   ;;
 919   --ninja=*) ninja="$optarg"
 920   ;;
 921   --smbd=*) smbd="$optarg"
 922   ;;
 923   --extra-cflags=*)
 924   ;;
 925   --extra-cxxflags=*)
 926   ;;
 927   --extra-ldflags=*)
 928   ;;
 929   --enable-debug-info)
 930   ;;
 931   --disable-debug-info)
 932   ;;
 933   --cross-cc-*)
 934   ;;
 935   --enable-modules)
 936       modules="yes"
 937   ;;
 938   --disable-modules)
 939       modules="no"
 940   ;;
 941   --disable-module-upgrades) module_upgrades="no"
 942   ;;
 943   --enable-module-upgrades) module_upgrades="yes"
 944   ;;
 945   --cpu=*)
 946   ;;
 947   --target-list=*) target_list="$optarg"
 948                    if test "$target_list_exclude"; then
 949                        error_exit "Can't mix --target-list with --target-list-exclude"
 950                    fi
 951   ;;
 952   --target-list-exclude=*) target_list_exclude="$optarg"
 953                    if test "$target_list"; then
 954                        error_exit "Can't mix --target-list-exclude with --target-list"
 955                    fi
 956   ;;
 957   --enable-trace-backends=*) trace_backends="$optarg"
 958   ;;
 959   # XXX: backwards compatibility
 960   --enable-trace-backend=*) trace_backends="$optarg"
 961   ;;
 962   --with-trace-file=*) trace_file="$optarg"
 963   ;;
 964   --with-default-devices) default_devices="yes"
 965   ;;
 966   --without-default-devices) default_devices="no"
 967   ;;
 968   --enable-gprof) gprof="yes"
 969   ;;
 970   --enable-gcov) gcov="yes"
 971   ;;
 972   --static)
 973     static="yes"
 974     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
 975   ;;
 976   --mandir=*) mandir="$optarg"
 977   ;;
 978   --bindir=*) bindir="$optarg"
 979   ;;
 980   --libdir=*) libdir="$optarg"
 981   ;;
 982   --libexecdir=*) libexecdir="$optarg"
 983   ;;
 984   --includedir=*) includedir="$optarg"
 985   ;;
 986   --datadir=*) datadir="$optarg"
 987   ;;
 988   --with-suffix=*) qemu_suffix="$optarg"
 989   ;;
 990   --docdir=*) docdir="$optarg"
 991   ;;
 992   --localedir=*) localedir="$optarg"
 993   ;;
 994   --sysconfdir=*) sysconfdir="$optarg"
 995   ;;
 996   --localstatedir=*) local_statedir="$optarg"
 997   ;;
 998   --firmwarepath=*) firmwarepath="$optarg"
 999   ;;
1000   --host=*|--build=*|\
1001   --disable-dependency-tracking|\
1002   --sbindir=*|--sharedstatedir=*|\
1003   --oldincludedir=*|--datarootdir=*|--infodir=*|\
1004   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1005     # These switches are silently ignored, for compatibility with
1006     # autoconf-generated configure scripts. This allows QEMU's
1007     # configure to be used by RPM and similar macros that set
1008     # lots of directory switches by default.
1009   ;;
1010   --disable-sdl) sdl="disabled"
1011   ;;
1012   --enable-sdl) sdl="enabled"
1013   ;;
1014   --disable-sdl-image) sdl_image="disabled"
1015   ;;
1016   --enable-sdl-image) sdl_image="enabled"
1017   ;;
1018   --disable-qom-cast-debug) qom_cast_debug="no"
1019   ;;
1020   --enable-qom-cast-debug) qom_cast_debug="yes"
1021   ;;
1022   --disable-virtfs) virtfs="no"
1023   ;;
1024   --enable-virtfs) virtfs="yes"
1025   ;;
1026   --disable-libudev) libudev="disabled"
1027   ;;
1028   --enable-libudev) libudev="enabled"
1029   ;;
1030   --disable-virtiofsd) virtiofsd="disabled"
1031   ;;
1032   --enable-virtiofsd) virtiofsd="enabled"
1033   ;;
1034   --disable-mpath) mpath="disabled"
1035   ;;
1036   --enable-mpath) mpath="enabled"
1037   ;;
1038   --disable-vnc) vnc="disabled"
1039   ;;
1040   --enable-vnc) vnc="enabled"
1041   ;;
1042   --disable-gettext) gettext="false"
1043   ;;
1044   --enable-gettext) gettext="true"
1045   ;;
1046   --oss-lib=*) oss_lib="$optarg"
1047   ;;
1048   --audio-drv-list=*) audio_drv_list="$optarg"
1049   ;;
1050   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1051   ;;
1052   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1053   ;;
1054   --enable-debug-tcg) debug_tcg="yes"
1055   ;;
1056   --disable-debug-tcg) debug_tcg="no"
1057   ;;
1058   --enable-debug)
1059       # Enable debugging options that aren't excessively noisy
1060       debug_tcg="yes"
1061       debug_mutex="yes"
1062       debug="yes"
1063       strip_opt="no"
1064       fortify_source="no"
1065   ;;
1066   --enable-sanitizers) sanitizers="yes"
1067   ;;
1068   --disable-sanitizers) sanitizers="no"
1069   ;;
1070   --enable-tsan) tsan="yes"
1071   ;;
1072   --disable-tsan) tsan="no"
1073   ;;
1074   --enable-sparse) sparse="enabled"
1075   ;;
1076   --disable-sparse) sparse="disabled"
1077   ;;
1078   --disable-strip) strip_opt="no"
1079   ;;
1080   --disable-vnc-sasl) vnc_sasl="disabled"
1081   ;;
1082   --enable-vnc-sasl) vnc_sasl="enabled"
1083   ;;
1084   --disable-vnc-jpeg) vnc_jpeg="disabled"
1085   ;;
1086   --enable-vnc-jpeg) vnc_jpeg="enabled"
1087   ;;
1088   --disable-vnc-png) vnc_png="disabled"
1089   ;;
1090   --enable-vnc-png) vnc_png="enabled"
1091   ;;
1092   --disable-slirp) slirp="disabled"
1093   ;;
1094   --enable-slirp=git) slirp="internal"
1095   ;;
1096   --enable-slirp=system) slirp="system"
1097   ;;
1098   --disable-vde) vde="no"
1099   ;;
1100   --enable-vde) vde="yes"
1101   ;;
1102   --disable-netmap) netmap="no"
1103   ;;
1104   --enable-netmap) netmap="yes"
1105   ;;
1106   --disable-xen) xen="disabled"
1107   ;;
1108   --enable-xen) xen="enabled"
1109   ;;
1110   --disable-xen-pci-passthrough) xen_pci_passthrough="disabled"
1111   ;;
1112   --enable-xen-pci-passthrough) xen_pci_passthrough="enabled"
1113   ;;
1114   --disable-brlapi) brlapi="no"
1115   ;;
1116   --enable-brlapi) brlapi="yes"
1117   ;;
1118   --disable-kvm) kvm="disabled"
1119   ;;
1120   --enable-kvm) kvm="enabled"
1121   ;;
1122   --disable-hax) hax="disabled"
1123   ;;
1124   --enable-hax) hax="enabled"
1125   ;;
1126   --disable-hvf) hvf="disabled"
1127   ;;
1128   --enable-hvf) hvf="enabled"
1129   ;;
1130   --disable-whpx) whpx="disabled"
1131   ;;
1132   --enable-whpx) whpx="enabled"
1133   ;;
1134   --disable-tcg-interpreter) tcg_interpreter="no"
1135   ;;
1136   --enable-tcg-interpreter) tcg_interpreter="yes"
1137   ;;
1138   --disable-cap-ng)  cap_ng="no"
1139   ;;
1140   --enable-cap-ng) cap_ng="yes"
1141   ;;
1142   --disable-tcg) tcg="disabled"
1143   ;;
1144   --enable-tcg) tcg="enabled"
1145   ;;
1146   --disable-malloc-trim) malloc_trim="disabled"
1147   ;;
1148   --enable-malloc-trim) malloc_trim="enabled"
1149   ;;
1150   --disable-spice) spice="no"
1151   ;;
1152   --enable-spice) spice="yes"
1153   ;;
1154   --disable-libiscsi) libiscsi="no"
1155   ;;
1156   --enable-libiscsi) libiscsi="yes"
1157   ;;
1158   --disable-libnfs) libnfs="no"
1159   ;;
1160   --enable-libnfs) libnfs="yes"
1161   ;;
1162   --enable-profiler) profiler="yes"
1163   ;;
1164   --disable-cocoa) cocoa="disabled"
1165   ;;
1166   --enable-cocoa)
1167       cocoa="enabled" ;
1168       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1169   ;;
1170   --disable-system) softmmu="no"
1171   ;;
1172   --enable-system) softmmu="yes"
1173   ;;
1174   --disable-user)
1175       linux_user="no" ;
1176       bsd_user="no" ;
1177   ;;
1178   --enable-user) ;;
1179   --disable-linux-user) linux_user="no"
1180   ;;
1181   --enable-linux-user) linux_user="yes"
1182   ;;
1183   --disable-bsd-user) bsd_user="no"
1184   ;;
1185   --enable-bsd-user) bsd_user="yes"
1186   ;;
1187   --enable-pie) pie="yes"
1188   ;;
1189   --disable-pie) pie="no"
1190   ;;
1191   --enable-werror) werror="yes"
1192   ;;
1193   --disable-werror) werror="no"
1194   ;;
1195   --enable-stack-protector) stack_protector="yes"
1196   ;;
1197   --disable-stack-protector) stack_protector="no"
1198   ;;
1199   --enable-safe-stack) safe_stack="yes"
1200   ;;
1201   --disable-safe-stack) safe_stack="no"
1202   ;;
1203   --disable-curses) curses="disabled"
1204   ;;
1205   --enable-curses) curses="enabled"
1206   ;;
1207   --disable-iconv) iconv="disabled"
1208   ;;
1209   --enable-iconv) iconv="enabled"
1210   ;;
1211   --disable-curl) curl="no"
1212   ;;
1213   --enable-curl) curl="yes"
1214   ;;
1215   --disable-fdt) fdt="disabled"
1216   ;;
1217   --enable-fdt) fdt="enabled"
1218   ;;
1219   --enable-fdt=git) fdt="internal"
1220   ;;
1221   --enable-fdt=system) fdt="system"
1222   ;;
1223   --disable-linux-aio) linux_aio="no"
1224   ;;
1225   --enable-linux-aio) linux_aio="yes"
1226   ;;
1227   --disable-linux-io-uring) linux_io_uring="no"
1228   ;;
1229   --enable-linux-io-uring) linux_io_uring="yes"
1230   ;;
1231   --disable-attr) attr="no"
1232   ;;
1233   --enable-attr) attr="yes"
1234   ;;
1235   --disable-membarrier) membarrier="no"
1236   ;;
1237   --enable-membarrier) membarrier="yes"
1238   ;;
1239   --disable-blobs) blobs="false"
1240   ;;
1241   --with-pkgversion=*) pkgversion="$optarg"
1242   ;;
1243   --with-coroutine=*) coroutine="$optarg"
1244   ;;
1245   --disable-coroutine-pool) coroutine_pool="no"
1246   ;;
1247   --enable-coroutine-pool) coroutine_pool="yes"
1248   ;;
1249   --enable-debug-stack-usage) debug_stack_usage="yes"
1250   ;;
1251   --enable-crypto-afalg) crypto_afalg="yes"
1252   ;;
1253   --disable-crypto-afalg) crypto_afalg="no"
1254   ;;
1255   --disable-docs) docs="disabled"
1256   ;;
1257   --enable-docs) docs="enabled"
1258   ;;
1259   --disable-vhost-net) vhost_net="no"
1260   ;;
1261   --enable-vhost-net) vhost_net="yes"
1262   ;;
1263   --disable-vhost-crypto) vhost_crypto="no"
1264   ;;
1265   --enable-vhost-crypto) vhost_crypto="yes"
1266   ;;
1267   --disable-vhost-scsi) vhost_scsi="no"
1268   ;;
1269   --enable-vhost-scsi) vhost_scsi="yes"
1270   ;;
1271   --disable-vhost-vsock) vhost_vsock="no"
1272   ;;
1273   --enable-vhost-vsock) vhost_vsock="yes"
1274   ;;
1275   --disable-vhost-user-blk-server) vhost_user_blk_server="disabled"
1276   ;;
1277   --enable-vhost-user-blk-server) vhost_user_blk_server="enabled"
1278   ;;
1279   --disable-vhost-user-fs) vhost_user_fs="no"
1280   ;;
1281   --enable-vhost-user-fs) vhost_user_fs="yes"
1282   ;;
1283   --disable-opengl) opengl="no"
1284   ;;
1285   --enable-opengl) opengl="yes"
1286   ;;
1287   --disable-rbd) rbd="no"
1288   ;;
1289   --enable-rbd) rbd="yes"
1290   ;;
1291   --disable-xfsctl) xfs="no"
1292   ;;
1293   --enable-xfsctl) xfs="yes"
1294   ;;
1295   --disable-smartcard) smartcard="no"
1296   ;;
1297   --enable-smartcard) smartcard="yes"
1298   ;;
1299   --disable-u2f) u2f="disabled"
1300   ;;
1301   --enable-u2f) u2f="enabled"
1302   ;;
1303   --disable-libusb) libusb="no"
1304   ;;
1305   --enable-libusb) libusb="yes"
1306   ;;
1307   --disable-usb-redir) usb_redir="no"
1308   ;;
1309   --enable-usb-redir) usb_redir="yes"
1310   ;;
1311   --disable-zlib-test)
1312   ;;
1313   --disable-lzo) lzo="no"
1314   ;;
1315   --enable-lzo) lzo="yes"
1316   ;;
1317   --disable-snappy) snappy="no"
1318   ;;
1319   --enable-snappy) snappy="yes"
1320   ;;
1321   --disable-bzip2) bzip2="no"
1322   ;;
1323   --enable-bzip2) bzip2="yes"
1324   ;;
1325   --enable-lzfse) lzfse="yes"
1326   ;;
1327   --disable-lzfse) lzfse="no"
1328   ;;
1329   --disable-zstd) zstd="no"
1330   ;;
1331   --enable-zstd) zstd="yes"
1332   ;;
1333   --enable-guest-agent) guest_agent="yes"
1334   ;;
1335   --disable-guest-agent) guest_agent="no"
1336   ;;
1337   --enable-guest-agent-msi) guest_agent_msi="yes"
1338   ;;
1339   --disable-guest-agent-msi) guest_agent_msi="no"
1340   ;;
1341   --with-vss-sdk) vss_win32_sdk=""
1342   ;;
1343   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1344   ;;
1345   --without-vss-sdk) vss_win32_sdk="no"
1346   ;;
1347   --with-win-sdk) win_sdk=""
1348   ;;
1349   --with-win-sdk=*) win_sdk="$optarg"
1350   ;;
1351   --without-win-sdk) win_sdk="no"
1352   ;;
1353   --enable-tools) want_tools="yes"
1354   ;;
1355   --disable-tools) want_tools="no"
1356   ;;
1357   --enable-seccomp) seccomp="yes"
1358   ;;
1359   --disable-seccomp) seccomp="no"
1360   ;;
1361   --disable-glusterfs) glusterfs="no"
1362   ;;
1363   --disable-avx2) avx2_opt="no"
1364   ;;
1365   --enable-avx2) avx2_opt="yes"
1366   ;;
1367   --disable-avx512f) avx512f_opt="no"
1368   ;;
1369   --enable-avx512f) avx512f_opt="yes"
1370   ;;
1371
1372   --enable-glusterfs) glusterfs="yes"
1373   ;;
1374   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1375       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1376   ;;
1377   --enable-vhdx|--disable-vhdx)
1378       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1379   ;;
1380   --enable-uuid|--disable-uuid)
1381       echo "$0: $opt is obsolete, UUID support is always built" >&2
1382   ;;
1383   --disable-gtk) gtk="no"
1384   ;;
1385   --enable-gtk) gtk="yes"
1386   ;;
1387   --tls-priority=*) tls_priority="$optarg"
1388   ;;
1389   --disable-gnutls) gnutls="no"
1390   ;;
1391   --enable-gnutls) gnutls="yes"
1392   ;;
1393   --disable-nettle) nettle="no"
1394   ;;
1395   --enable-nettle) nettle="yes"
1396   ;;
1397   --disable-gcrypt) gcrypt="no"
1398   ;;
1399   --enable-gcrypt) gcrypt="yes"
1400   ;;
1401   --disable-auth-pam) auth_pam="no"
1402   ;;
1403   --enable-auth-pam) auth_pam="yes"
1404   ;;
1405   --enable-rdma) rdma="yes"
1406   ;;
1407   --disable-rdma) rdma="no"
1408   ;;
1409   --enable-pvrdma) pvrdma="yes"
1410   ;;
1411   --disable-pvrdma) pvrdma="no"
1412   ;;
1413   --disable-vte) vte="no"
1414   ;;
1415   --enable-vte) vte="yes"
1416   ;;
1417   --disable-virglrenderer) virglrenderer="no"
1418   ;;
1419   --enable-virglrenderer) virglrenderer="yes"
1420   ;;
1421   --disable-tpm) tpm="no"
1422   ;;
1423   --enable-tpm) tpm="yes"
1424   ;;
1425   --disable-libssh) libssh="no"
1426   ;;
1427   --enable-libssh) libssh="yes"
1428   ;;
1429   --disable-live-block-migration) live_block_migration="no"
1430   ;;
1431   --enable-live-block-migration) live_block_migration="yes"
1432   ;;
1433   --disable-numa) numa="no"
1434   ;;
1435   --enable-numa) numa="yes"
1436   ;;
1437   --disable-libxml2) libxml2="no"
1438   ;;
1439   --enable-libxml2) libxml2="yes"
1440   ;;
1441   --disable-tcmalloc) tcmalloc="no"
1442   ;;
1443   --enable-tcmalloc) tcmalloc="yes"
1444   ;;
1445   --disable-jemalloc) jemalloc="no"
1446   ;;
1447   --enable-jemalloc) jemalloc="yes"
1448   ;;
1449   --disable-replication) replication="no"
1450   ;;
1451   --enable-replication) replication="yes"
1452   ;;
1453   --disable-bochs) bochs="no"
1454   ;;
1455   --enable-bochs) bochs="yes"
1456   ;;
1457   --disable-cloop) cloop="no"
1458   ;;
1459   --enable-cloop) cloop="yes"
1460   ;;
1461   --disable-dmg) dmg="no"
1462   ;;
1463   --enable-dmg) dmg="yes"
1464   ;;
1465   --disable-qcow1) qcow1="no"
1466   ;;
1467   --enable-qcow1) qcow1="yes"
1468   ;;
1469   --disable-vdi) vdi="no"
1470   ;;
1471   --enable-vdi) vdi="yes"
1472   ;;
1473   --disable-vvfat) vvfat="no"
1474   ;;
1475   --enable-vvfat) vvfat="yes"
1476   ;;
1477   --disable-qed) qed="no"
1478   ;;
1479   --enable-qed) qed="yes"
1480   ;;
1481   --disable-parallels) parallels="no"
1482   ;;
1483   --enable-parallels) parallels="yes"
1484   ;;
1485   --disable-sheepdog) sheepdog="no"
1486   ;;
1487   --enable-sheepdog) sheepdog="yes"
1488   ;;
1489   --disable-vhost-user) vhost_user="no"
1490   ;;
1491   --enable-vhost-user) vhost_user="yes"
1492   ;;
1493   --disable-vhost-vdpa) vhost_vdpa="no"
1494   ;;
1495   --enable-vhost-vdpa) vhost_vdpa="yes"
1496   ;;
1497   --disable-vhost-kernel) vhost_kernel="no"
1498   ;;
1499   --enable-vhost-kernel) vhost_kernel="yes"
1500   ;;
1501   --disable-capstone) capstone="disabled"
1502   ;;
1503   --enable-capstone) capstone="enabled"
1504   ;;
1505   --enable-capstone=git) capstone="internal"
1506   ;;
1507   --enable-capstone=system) capstone="system"
1508   ;;
1509   --with-git=*) git="$optarg"
1510   ;;
1511   --enable-git-update) git_update=yes
1512   ;;
1513   --disable-git-update) git_update=no
1514   ;;
1515   --enable-debug-mutex) debug_mutex=yes
1516   ;;
1517   --disable-debug-mutex) debug_mutex=no
1518   ;;
1519   --enable-libpmem) libpmem=yes
1520   ;;
1521   --disable-libpmem) libpmem=no
1522   ;;
1523   --enable-xkbcommon) xkbcommon="enabled"
1524   ;;
1525   --disable-xkbcommon) xkbcommon="disabled"
1526   ;;
1527   --enable-plugins) plugins="yes"
1528   ;;
1529   --disable-plugins) plugins="no"
1530   ;;
1531   --enable-containers) use_containers="yes"
1532   ;;
1533   --disable-containers) use_containers="no"
1534   ;;
1535   --enable-fuzzing) fuzzing=yes
1536   ;;
1537   --disable-fuzzing) fuzzing=no
1538   ;;
1539   --gdb=*) gdb_bin="$optarg"
1540   ;;
1541   --enable-rng-none) rng_none=yes
1542   ;;
1543   --disable-rng-none) rng_none=no
1544   ;;
1545   --enable-keyring) secret_keyring="yes"
1546   ;;
1547   --disable-keyring) secret_keyring="no"
1548   ;;
1549   --enable-libdaxctl) libdaxctl=yes
1550   ;;
1551   --disable-libdaxctl) libdaxctl=no
1552   ;;
1553   *)
1554       echo "ERROR: unknown option $opt"
1555       echo "Try '$0 --help' for more information"
1556       exit 1
1557   ;;
1558   esac
1559 done
1560
1561 libdir="${libdir:-$prefix/lib}"
1562 libexecdir="${libexecdir:-$prefix/libexec}"
1563 includedir="${includedir:-$prefix/include}"
1564
1565 if test "$mingw32" = "yes" ; then
1566     bindir="$prefix"
1567     sysconfdir="$prefix"
1568     local_statedir="$prefix"
1569 else
1570     bindir="${bindir:-$prefix/bin}"
1571     sysconfdir="${sysconfdir:-$prefix/etc}"
1572     local_statedir="${local_statedir:-$prefix/var}"
1573 fi
1574 datadir="${datadir:-$prefix/share}"
1575 docdir="${docdir:-$prefix/share/doc}"
1576 firmwarepath="${firmwarepath:-$datadir/qemu-firmware}"
1577 localedir="${localedir:-$datadir/locale}"
1578 mandir="${mandir:-$prefix/share/man}"
1579
1580 case "$cpu" in
1581     ppc)
1582            CPU_CFLAGS="-m32"
1583            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1584            ;;
1585     ppc64)
1586            CPU_CFLAGS="-m64"
1587            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1588            ;;
1589     sparc)
1590            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1591            QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1592            ;;
1593     sparc64)
1594            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1595            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1596            ;;
1597     s390)
1598            CPU_CFLAGS="-m31"
1599            QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1600            ;;
1601     s390x)
1602            CPU_CFLAGS="-m64"
1603            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1604            ;;
1605     i386)
1606            CPU_CFLAGS="-m32"
1607            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1608            ;;
1609     x86_64)
1610            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1611            # If we truly care, we should simply detect this case at
1612            # runtime and generate the fallback to serial emulation.
1613            CPU_CFLAGS="-m64 -mcx16"
1614            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1615            ;;
1616     x32)
1617            CPU_CFLAGS="-mx32"
1618            QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1619            ;;
1620     # No special flags required for other host CPUs
1621 esac
1622
1623 eval "cross_cc_${cpu}=\$host_cc"
1624 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1625 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1626
1627 # For user-mode emulation the host arch has to be one we explicitly
1628 # support, even if we're using TCI.
1629 if [ "$ARCH" = "unknown" ]; then
1630   bsd_user="no"
1631   linux_user="no"
1632 fi
1633
1634 default_target_list=""
1635 deprecated_targets_list=ppc64abi32-linux-user,tilegx-linux-user,lm32-softmmu,unicore32-softmmu
1636 deprecated_features=""
1637 mak_wilds=""
1638
1639 if [ "$softmmu" = "yes" ]; then
1640     mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-softmmu.mak"
1641 fi
1642 if [ "$linux_user" = "yes" ]; then
1643     mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-linux-user.mak"
1644 fi
1645 if [ "$bsd_user" = "yes" ]; then
1646     mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-bsd-user.mak"
1647 fi
1648
1649 # If the user doesn't explicitly specify a deprecated target we will
1650 # skip it.
1651 if test -z "$target_list"; then
1652     if test -z "$target_list_exclude"; then
1653         target_list_exclude="$deprecated_targets_list"
1654     else
1655         target_list_exclude="$target_list_exclude,$deprecated_targets_list"
1656     fi
1657 fi
1658
1659 for config in $mak_wilds; do
1660     target="$(basename "$config" .mak)"
1661     if echo "$target_list_exclude" | grep -vq "$target"; then
1662         default_target_list="${default_target_list} $target"
1663     fi
1664 done
1665
1666 # Enumerate public trace backends for --help output
1667 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1668
1669 if test x"$show_help" = x"yes" ; then
1670 cat << EOF
1671
1672 Usage: configure [options]
1673 Options: [defaults in brackets after descriptions]
1674
1675 Standard options:
1676   --help                   print this message
1677   --prefix=PREFIX          install in PREFIX [$prefix]
1678   --interp-prefix=PREFIX   where to find shared libraries, etc.
1679                            use %M for cpu name [$interp_prefix]
1680   --target-list=LIST       set target list (default: build all non-deprecated)
1681 $(echo Available targets: $default_target_list | \
1682   fold -s -w 53 | sed -e 's/^/                           /')
1683 $(echo Deprecated targets: $deprecated_targets_list | \
1684   fold -s -w 53 | sed -e 's/^/                           /')
1685   --target-list-exclude=LIST exclude a set of targets from the default target-list
1686
1687 Advanced options (experts only):
1688   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1689   --cc=CC                  use C compiler CC [$cc]
1690   --iasl=IASL              use ACPI compiler IASL [$iasl]
1691   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1692                            build time
1693   --cxx=CXX                use C++ compiler CXX [$cxx]
1694   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1695   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1696   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1697   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1698   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1699   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1700   --make=MAKE              use specified make [$make]
1701   --python=PYTHON          use specified python [$python]
1702   --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1703   --meson=MESON            use specified meson [$meson]
1704   --ninja=NINJA            use specified ninja [$ninja]
1705   --smbd=SMBD              use specified smbd [$smbd]
1706   --with-git=GIT           use specified git [$git]
1707   --static                 enable static build [$static]
1708   --mandir=PATH            install man pages in PATH
1709   --datadir=PATH           install firmware in PATH/$qemu_suffix
1710   --localedir=PATH         install translation in PATH/$qemu_suffix
1711   --docdir=PATH            install documentation in PATH/$qemu_suffix
1712   --bindir=PATH            install binaries in PATH
1713   --libdir=PATH            install libraries in PATH
1714   --libexecdir=PATH        install helper binaries in PATH
1715   --sysconfdir=PATH        install config in PATH/$qemu_suffix
1716   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1717   --firmwarepath=PATH      search PATH for firmware files
1718   --efi-aarch64=PATH       PATH of efi file to use for aarch64 VMs.
1719   --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
1720   --with-pkgversion=VERS   use specified string as sub-version of the package
1721   --enable-debug           enable common debug build options
1722   --enable-sanitizers      enable default sanitizers
1723   --enable-tsan            enable thread sanitizer
1724   --disable-strip          disable stripping binaries
1725   --disable-werror         disable compilation abort on warning
1726   --disable-stack-protector disable compiler-provided stack protection
1727   --audio-drv-list=LIST    set audio drivers list:
1728                            Available drivers: $audio_possible_drivers
1729   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1730   --block-drv-rw-whitelist=L
1731                            set block driver read-write whitelist
1732                            (affects only QEMU, not qemu-img)
1733   --block-drv-ro-whitelist=L
1734                            set block driver read-only whitelist
1735                            (affects only QEMU, not qemu-img)
1736   --enable-trace-backends=B Set trace backend
1737                            Available backends: $trace_backend_list
1738   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1739                            Default:trace-<pid>
1740   --disable-slirp          disable SLIRP userspace network connectivity
1741   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1742   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1743   --oss-lib                path to OSS library
1744   --cpu=CPU                Build for host CPU [$cpu]
1745   --with-coroutine=BACKEND coroutine backend. Supported options:
1746                            ucontext, sigaltstack, windows
1747   --enable-gcov            enable test coverage analysis with gcov
1748   --disable-blobs          disable installing provided firmware blobs
1749   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1750   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1751   --tls-priority           default TLS protocol/cipher priority string
1752   --enable-gprof           QEMU profiling with gprof
1753   --enable-profiler        profiler support
1754   --enable-debug-stack-usage
1755                            track the maximum stack usage of stacks created by qemu_alloc_stack
1756   --enable-plugins
1757                            enable plugins via shared library loading
1758   --disable-containers     don't use containers for cross-building
1759   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1760
1761 Optional features, enabled with --enable-FEATURE and
1762 disabled with --disable-FEATURE, default is enabled if available:
1763
1764   system          all system emulation targets
1765   user            supported user emulation targets
1766   linux-user      all linux usermode emulation targets
1767   bsd-user        all BSD usermode emulation targets
1768   docs            build documentation
1769   guest-agent     build the QEMU Guest Agent
1770   guest-agent-msi build guest agent Windows MSI installation package
1771   pie             Position Independent Executables
1772   modules         modules support (non-Windows)
1773   module-upgrades try to load modules from alternate paths for upgrades
1774   debug-tcg       TCG debugging (default is disabled)
1775   debug-info      debugging information
1776   sparse          sparse checker
1777   safe-stack      SafeStack Stack Smash Protection. Depends on
1778                   clang/llvm >= 3.7 and requires coroutine backend ucontext.
1779
1780   gnutls          GNUTLS cryptography support
1781   nettle          nettle cryptography support
1782   gcrypt          libgcrypt cryptography support
1783   auth-pam        PAM access control
1784   sdl             SDL UI
1785   sdl-image       SDL Image support for icons
1786   gtk             gtk UI
1787   vte             vte support for the gtk UI
1788   curses          curses UI
1789   iconv           font glyph conversion support
1790   vnc             VNC UI support
1791   vnc-sasl        SASL encryption for VNC server
1792   vnc-jpeg        JPEG lossy compression for VNC server
1793   vnc-png         PNG compression for VNC server
1794   cocoa           Cocoa UI (Mac OS X only)
1795   virtfs          VirtFS
1796   virtiofsd       build virtiofs daemon (virtiofsd)
1797   libudev         Use libudev to enumerate host devices
1798   mpath           Multipath persistent reservation passthrough
1799   xen             xen backend driver support
1800   xen-pci-passthrough    PCI passthrough support for Xen
1801   brlapi          BrlAPI (Braile)
1802   curl            curl connectivity
1803   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1804   fdt             fdt device tree
1805   kvm             KVM acceleration support
1806   hax             HAX acceleration support
1807   hvf             Hypervisor.framework acceleration support
1808   whpx            Windows Hypervisor Platform acceleration support
1809   rdma            Enable RDMA-based migration
1810   pvrdma          Enable PVRDMA support
1811   vde             support for vde network
1812   netmap          support for netmap network
1813   linux-aio       Linux AIO support
1814   linux-io-uring  Linux io_uring support
1815   cap-ng          libcap-ng support
1816   attr            attr and xattr support
1817   vhost-net       vhost-net kernel acceleration support
1818   vhost-vsock     virtio sockets device support
1819   vhost-scsi      vhost-scsi kernel target support
1820   vhost-crypto    vhost-user-crypto backend support
1821   vhost-kernel    vhost kernel backend support
1822   vhost-user      vhost-user backend support
1823   vhost-user-blk-server    vhost-user-blk server support
1824   vhost-vdpa      vhost-vdpa kernel backend support
1825   spice           spice
1826   rbd             rados block device (rbd)
1827   libiscsi        iscsi support
1828   libnfs          nfs support
1829   smartcard       smartcard support (libcacard)
1830   u2f             U2F support (u2f-emu)
1831   libusb          libusb (for usb passthrough)
1832   live-block-migration   Block migration in the main migration stream
1833   usb-redir       usb network redirection support
1834   lzo             support of lzo compression library
1835   snappy          support of snappy compression library
1836   bzip2           support of bzip2 compression library
1837                   (for reading bzip2-compressed dmg images)
1838   lzfse           support of lzfse compression library
1839                   (for reading lzfse-compressed dmg images)
1840   zstd            support for zstd compression library
1841                   (for migration compression and qcow2 cluster compression)
1842   seccomp         seccomp support
1843   coroutine-pool  coroutine freelist (better performance)
1844   glusterfs       GlusterFS backend
1845   tpm             TPM support
1846   libssh          ssh block device support
1847   numa            libnuma support
1848   libxml2         for Parallels image format
1849   tcmalloc        tcmalloc support
1850   jemalloc        jemalloc support
1851   avx2            AVX2 optimization support
1852   avx512f         AVX512F optimization support
1853   replication     replication support
1854   opengl          opengl support
1855   virglrenderer   virgl rendering support
1856   xfsctl          xfsctl support
1857   qom-cast-debug  cast debugging support
1858   tools           build qemu-io, qemu-nbd and qemu-img tools
1859   bochs           bochs image format support
1860   cloop           cloop image format support
1861   dmg             dmg image format support
1862   qcow1           qcow v1 image format support
1863   vdi             vdi image format support
1864   vvfat           vvfat image format support
1865   qed             qed image format support
1866   parallels       parallels image format support
1867   sheepdog        sheepdog block driver support (deprecated)
1868   crypto-afalg    Linux AF_ALG crypto backend driver
1869   capstone        capstone disassembler support
1870   debug-mutex     mutex debugging support
1871   libpmem         libpmem support
1872   xkbcommon       xkbcommon support
1873   rng-none        dummy RNG, avoid using /dev/(u)random and getrandom()
1874   libdaxctl       libdaxctl support
1875
1876 NOTE: The object files are built at the place where configure is launched
1877 EOF
1878 exit 0
1879 fi
1880
1881 # Remove old dependency files to make sure that they get properly regenerated
1882 rm -f */config-devices.mak.d
1883
1884 if test -z "$python"
1885 then
1886     error_exit "Python not found. Use --python=/path/to/python"
1887 fi
1888
1889 # Note that if the Python conditional here evaluates True we will exit
1890 # with status 1 which is a shell 'false' value.
1891 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
1892   error_exit "Cannot use '$python', Python >= 3.6 is required." \
1893       "Use --python=/path/to/python to specify a supported Python."
1894 fi
1895
1896 # Preserve python version since some functionality is dependent on it
1897 python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null)
1898
1899 # Suppress writing compiled files
1900 python="$python -B"
1901
1902 if test -z "$meson"; then
1903     if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.3; then
1904         meson=meson
1905     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
1906         meson=git
1907     elif test -e "${source_path}/meson/meson.py" ; then
1908         meson=internal
1909     else
1910         if test "$explicit_python" = yes; then
1911             error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1912         else
1913             error_exit "Meson not found.  Use --meson=/path/to/meson"
1914         fi
1915     fi
1916 else
1917     # Meson uses its own Python interpreter to invoke other Python scripts,
1918     # but the user wants to use the one they specified with --python.
1919     #
1920     # We do not want to override the distro Python interpreter (and sometimes
1921     # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1922     # just require --meson=git|internal together with --python.
1923     if test "$explicit_python" = yes; then
1924         case "$meson" in
1925             git | internal) ;;
1926             *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1927         esac
1928     fi
1929 fi
1930
1931 if test "$meson" = git; then
1932     git_submodules="${git_submodules} meson"
1933 fi
1934
1935 case "$meson" in
1936     git | internal)
1937         meson="$python ${source_path}/meson/meson.py"
1938         ;;
1939     *) meson=$(command -v "$meson") ;;
1940 esac
1941
1942 # Probe for ninja
1943
1944 if test -z "$ninja"; then
1945     for c in ninja ninja-build samu; do
1946         if has $c; then
1947             ninja=$(command -v "$c")
1948             break
1949         fi
1950     done
1951     if test -z "$ninja"; then
1952       error_exit "Cannot find Ninja"
1953     fi
1954 fi
1955
1956 # Check that the C compiler works. Doing this here before testing
1957 # the host CPU ensures that we had a valid CC to autodetect the
1958 # $cpu var (and we should bail right here if that's not the case).
1959 # It also allows the help message to be printed without a CC.
1960 write_c_skeleton;
1961 if compile_object ; then
1962   : C compiler works ok
1963 else
1964     error_exit "\"$cc\" either does not exist or does not work"
1965 fi
1966 if ! compile_prog ; then
1967     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1968 fi
1969
1970 # Consult white-list to determine whether to enable werror
1971 # by default.  Only enable by default for git builds
1972 if test -z "$werror" ; then
1973     if test -e "$source_path/.git" && \
1974         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1975         werror="yes"
1976     else
1977         werror="no"
1978     fi
1979 fi
1980
1981 if test "$bogus_os" = "yes"; then
1982     # Now that we know that we're not printing the help and that
1983     # the compiler works (so the results of the check_defines we used
1984     # to identify the OS are reliable), if we didn't recognize the
1985     # host OS we should stop now.
1986     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1987 fi
1988
1989 # Check whether the compiler matches our minimum requirements:
1990 cat > $TMPC << EOF
1991 #if defined(__clang_major__) && defined(__clang_minor__)
1992 # ifdef __apple_build_version__
1993 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1994 #   error You need at least XCode Clang v5.1 to compile QEMU
1995 #  endif
1996 # else
1997 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1998 #   error You need at least Clang v3.4 to compile QEMU
1999 #  endif
2000 # endif
2001 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
2002 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
2003 #  error You need at least GCC v4.8 to compile QEMU
2004 # endif
2005 #else
2006 # error You either need GCC or Clang to compiler QEMU
2007 #endif
2008 int main (void) { return 0; }
2009 EOF
2010 if ! compile_prog "" "" ; then
2011     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2012 fi
2013
2014 # Accumulate -Wfoo and -Wno-bar separately.
2015 # We will list all of the enable flags first, and the disable flags second.
2016 # Note that we do not add -Werror, because that would enable it for all
2017 # configure tests. If a configure test failed due to -Werror this would
2018 # just silently disable some features, so it's too error prone.
2019
2020 warn_flags=
2021 add_to warn_flags -Wold-style-declaration
2022 add_to warn_flags -Wold-style-definition
2023 add_to warn_flags -Wtype-limits
2024 add_to warn_flags -Wformat-security
2025 add_to warn_flags -Wformat-y2k
2026 add_to warn_flags -Winit-self
2027 add_to warn_flags -Wignored-qualifiers
2028 add_to warn_flags -Wempty-body
2029 add_to warn_flags -Wnested-externs
2030 add_to warn_flags -Wendif-labels
2031 add_to warn_flags -Wexpansion-to-defined
2032
2033 nowarn_flags=
2034 add_to nowarn_flags -Wno-initializer-overrides
2035 add_to nowarn_flags -Wno-missing-include-dirs
2036 add_to nowarn_flags -Wno-shift-negative-value
2037 add_to nowarn_flags -Wno-string-plus-int
2038 add_to nowarn_flags -Wno-typedef-redefinition
2039 add_to nowarn_flags -Wno-tautological-type-limit-compare
2040 add_to nowarn_flags -Wno-psabi
2041
2042 gcc_flags="$warn_flags $nowarn_flags"
2043
2044 cc_has_warning_flag() {
2045     write_c_skeleton;
2046
2047     # Use the positive sense of the flag when testing for -Wno-wombat
2048     # support (gcc will happily accept the -Wno- form of unknown
2049     # warning options).
2050     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2051     compile_prog "-Werror $optflag" ""
2052 }
2053
2054 for flag in $gcc_flags; do
2055     if cc_has_warning_flag $flag ; then
2056         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2057     fi
2058 done
2059
2060 if test "$mingw32" = "yes"; then
2061   stack_protector="no"
2062 fi
2063 if test "$stack_protector" != "no"; then
2064   cat > $TMPC << EOF
2065 int main(int argc, char *argv[])
2066 {
2067     char arr[64], *p = arr, *c = argv[0];
2068     while (*c) {
2069         *p++ = *c++;
2070     }
2071     return 0;
2072 }
2073 EOF
2074   gcc_flags="-fstack-protector-strong -fstack-protector-all"
2075   sp_on=0
2076   for flag in $gcc_flags; do
2077     # We need to check both a compile and a link, since some compiler
2078     # setups fail only on a .c->.o compile and some only at link time
2079     if compile_object "-Werror $flag" &&
2080        compile_prog "-Werror $flag" ""; then
2081       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2082       QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2083       sp_on=1
2084       break
2085     fi
2086   done
2087   if test "$stack_protector" = yes; then
2088     if test $sp_on = 0; then
2089       error_exit "Stack protector not supported"
2090     fi
2091   fi
2092 fi
2093
2094 # Disable -Wmissing-braces on older compilers that warn even for
2095 # the "universal" C zero initializer {0}.
2096 cat > $TMPC << EOF
2097 struct {
2098   int a[2];
2099 } x = {0};
2100 EOF
2101 if compile_object "-Werror" "" ; then
2102   :
2103 else
2104   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2105 fi
2106
2107 # Our module code doesn't support Windows
2108 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2109   error_exit "Modules are not available for Windows"
2110 fi
2111
2112 # module_upgrades is only reasonable if modules are enabled
2113 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2114   error_exit "Can't enable module-upgrades as Modules are not enabled"
2115 fi
2116
2117 # Static linking is not possible with modules or PIE
2118 if test "$static" = "yes" ; then
2119   if test "$modules" = "yes" ; then
2120     error_exit "static and modules are mutually incompatible"
2121   fi
2122 fi
2123
2124 # Unconditional check for compiler __thread support
2125   cat > $TMPC << EOF
2126 static __thread int tls_var;
2127 int main(void) { return tls_var; }
2128 EOF
2129
2130 if ! compile_prog "-Werror" "" ; then
2131     error_exit "Your compiler does not support the __thread specifier for " \
2132         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2133 fi
2134
2135 cat > $TMPC << EOF
2136
2137 #ifdef __linux__
2138 #  define THREAD __thread
2139 #else
2140 #  define THREAD
2141 #endif
2142 static THREAD int tls_var;
2143 int main(void) { return tls_var; }
2144 EOF
2145
2146 # Check we support --no-pie first; we will need this for building ROMs.
2147 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2148   CFLAGS_NOPIE="-fno-pie"
2149   LDFLAGS_NOPIE="-no-pie"
2150 fi
2151
2152 if test "$static" = "yes"; then
2153   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2154     CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
2155     QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2156     pie="yes"
2157   elif test "$pie" = "yes"; then
2158     error_exit "-static-pie not available due to missing toolchain support"
2159   else
2160     QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2161     pie="no"
2162   fi
2163 elif test "$pie" = "no"; then
2164   CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS"
2165   CONFIGURE_LDFLAGS="$LDFLAGS_NOPIE $CONFIGURE_LDFLAGS"
2166 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2167   CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
2168   CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
2169   pie="yes"
2170 elif test "$pie" = "yes"; then
2171   error_exit "PIE not available due to missing toolchain support"
2172 else
2173   echo "Disabling PIE due to missing toolchain support"
2174   pie="no"
2175 fi
2176
2177 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2178 # The combination is known as "full relro", because .got.plt is read-only too.
2179 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2180   QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2181 fi
2182
2183 ##########################################
2184 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2185 # use i686 as default anyway, but for those that don't, an explicit
2186 # specification is necessary
2187
2188 if test "$cpu" = "i386"; then
2189   cat > $TMPC << EOF
2190 static int sfaa(int *ptr)
2191 {
2192   return __sync_fetch_and_and(ptr, 0);
2193 }
2194
2195 int main(void)
2196 {
2197   int val = 42;
2198   val = __sync_val_compare_and_swap(&val, 0, 1);
2199   sfaa(&val);
2200   return val;
2201 }
2202 EOF
2203   if ! compile_prog "" "" ; then
2204     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2205   fi
2206 fi
2207
2208 #########################################
2209 # Solaris specific configure tool chain decisions
2210
2211 if test "$solaris" = "yes" ; then
2212   if has ar; then
2213     :
2214   else
2215     if test -f /usr/ccs/bin/ar ; then
2216       error_exit "No path includes ar" \
2217           "Add /usr/ccs/bin to your path and rerun configure"
2218     fi
2219     error_exit "No path includes ar"
2220   fi
2221 fi
2222
2223 if test -z "${target_list+xxx}" ; then
2224     default_targets=yes
2225     for target in $default_target_list; do
2226         target_list="$target_list $target"
2227     done
2228     target_list="${target_list# }"
2229 else
2230     default_targets=no
2231     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2232     for target in $target_list; do
2233         # Check that we recognised the target name; this allows a more
2234         # friendly error message than if we let it fall through.
2235         case " $default_target_list " in
2236             *" $target "*)
2237                 ;;
2238             *)
2239                 error_exit "Unknown target name '$target'"
2240                 ;;
2241         esac
2242     done
2243 fi
2244
2245 for target in $target_list; do
2246     # if a deprecated target is enabled we note it here
2247     if echo "$deprecated_targets_list" | grep -q "$target"; then
2248         add_to deprecated_features $target
2249     fi
2250 done
2251
2252 # see if system emulation was really requested
2253 case " $target_list " in
2254   *"-softmmu "*) softmmu=yes
2255   ;;
2256   *) softmmu=no
2257   ;;
2258 esac
2259
2260 feature_not_found() {
2261   feature=$1
2262   remedy=$2
2263
2264   error_exit "User requested feature $feature" \
2265       "configure was not able to find it." \
2266       "$remedy"
2267 }
2268
2269 # ---
2270 # big/little endian test
2271 cat > $TMPC << EOF
2272 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2273 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2274 extern int foo(short *, short *);
2275 int main(int argc, char *argv[]) {
2276     return foo(big_endian, little_endian);
2277 }
2278 EOF
2279
2280 if compile_object ; then
2281     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2282         bigendian="yes"
2283     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2284         bigendian="no"
2285     else
2286         echo big/little test failed
2287     fi
2288 else
2289     echo big/little test failed
2290 fi
2291
2292 ##########################################
2293 # system tools
2294 if test -z "$want_tools"; then
2295     if test "$softmmu" = "no"; then
2296         want_tools=no
2297     else
2298         want_tools=yes
2299     fi
2300 fi
2301
2302 ##########################################
2303 # cocoa implies not SDL or GTK
2304 # (the cocoa UI code currently assumes it is always the active UI
2305 # and doesn't interact well with other UI frontend code)
2306 if test "$cocoa" = "enabled"; then
2307     if test "$sdl" = "enabled"; then
2308         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2309     fi
2310     if test "$gtk" = "yes"; then
2311         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2312     fi
2313     gtk=no
2314     sdl=disabled
2315 fi
2316
2317 # Some versions of Mac OS X incorrectly define SIZE_MAX
2318 cat > $TMPC << EOF
2319 #include <stdint.h>
2320 #include <stdio.h>
2321 int main(int argc, char *argv[]) {
2322     return printf("%zu", SIZE_MAX);
2323 }
2324 EOF
2325 have_broken_size_max=no
2326 if ! compile_object -Werror ; then
2327     have_broken_size_max=yes
2328 fi
2329
2330 ##########################################
2331 # L2TPV3 probe
2332
2333 cat > $TMPC <<EOF
2334 #include <sys/socket.h>
2335 #include <linux/ip.h>
2336 int main(void) { return sizeof(struct mmsghdr); }
2337 EOF
2338 if compile_prog "" "" ; then
2339   l2tpv3=yes
2340 else
2341   l2tpv3=no
2342 fi
2343
2344 if check_include "pty.h" ; then
2345   pty_h=yes
2346 else
2347   pty_h=no
2348 fi
2349
2350 cat > $TMPC <<EOF
2351 #include <sys/mman.h>
2352 int main(int argc, char *argv[]) {
2353     return mlockall(MCL_FUTURE);
2354 }
2355 EOF
2356 if compile_prog "" "" ; then
2357   have_mlockall=yes
2358 else
2359   have_mlockall=no
2360 fi
2361
2362 #########################################
2363 # vhost interdependencies and host support
2364
2365 # vhost backends
2366 if test "$vhost_user" = "yes" && test "$linux" != "yes"; then
2367   error_exit "vhost-user is only available on Linux"
2368 fi
2369 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2370 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2371   error_exit "vhost-vdpa is only available on Linux"
2372 fi
2373 test "$vhost_kernel" = "" && vhost_kernel=$linux
2374 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2375   error_exit "vhost-kernel is only available on Linux"
2376 fi
2377
2378 # vhost-kernel devices
2379 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2380 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2381   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2382 fi
2383 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2384 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2385   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2386 fi
2387
2388 # vhost-user backends
2389 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2390 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2391   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2392 fi
2393 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2394 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2395   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2396 fi
2397 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2398 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2399   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2400 fi
2401 #vhost-vdpa backends
2402 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2403 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2404   error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2405 fi
2406
2407 # OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity
2408 if test "$vhost_net" = ""; then
2409   test "$vhost_net_user" = "yes" && vhost_net=yes
2410   test "$vhost_net_vdpa" = "yes" && vhost_net=yes
2411   test "$vhost_kernel" = "yes" && vhost_net=yes
2412 fi
2413
2414 ##########################################
2415 # pkg-config probe
2416
2417 if ! has "$pkg_config_exe"; then
2418   error_exit "pkg-config binary '$pkg_config_exe' not found"
2419 fi
2420
2421 ##########################################
2422 # NPTL probe
2423
2424 if test "$linux_user" = "yes"; then
2425   cat > $TMPC <<EOF
2426 #include <sched.h>
2427 #include <linux/futex.h>
2428 int main(void) {
2429 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2430 #error bork
2431 #endif
2432   return 0;
2433 }
2434 EOF
2435   if ! compile_object ; then
2436     feature_not_found "nptl" "Install glibc and linux kernel headers."
2437   fi
2438 fi
2439
2440 ##########################################
2441 # lzo check
2442
2443 if test "$lzo" != "no" ; then
2444     cat > $TMPC << EOF
2445 #include <lzo/lzo1x.h>
2446 int main(void) { lzo_version(); return 0; }
2447 EOF
2448     if compile_prog "" "-llzo2" ; then
2449         lzo_libs="-llzo2"
2450         lzo="yes"
2451     else
2452         if test "$lzo" = "yes"; then
2453             feature_not_found "liblzo2" "Install liblzo2 devel"
2454         fi
2455         lzo="no"
2456     fi
2457 fi
2458
2459 ##########################################
2460 # snappy check
2461
2462 if test "$snappy" != "no" ; then
2463     cat > $TMPC << EOF
2464 #include <snappy-c.h>
2465 int main(void) { snappy_max_compressed_length(4096); return 0; }
2466 EOF
2467     if compile_prog "" "-lsnappy" ; then
2468         snappy_libs='-lsnappy'
2469         snappy="yes"
2470     else
2471         if test "$snappy" = "yes"; then
2472             feature_not_found "libsnappy" "Install libsnappy devel"
2473         fi
2474         snappy="no"
2475     fi
2476 fi
2477
2478 ##########################################
2479 # bzip2 check
2480
2481 if test "$bzip2" != "no" ; then
2482     cat > $TMPC << EOF
2483 #include <bzlib.h>
2484 int main(void) { BZ2_bzlibVersion(); return 0; }
2485 EOF
2486     if compile_prog "" "-lbz2" ; then
2487         bzip2="yes"
2488     else
2489         if test "$bzip2" = "yes"; then
2490             feature_not_found "libbzip2" "Install libbzip2 devel"
2491         fi
2492         bzip2="no"
2493     fi
2494 fi
2495
2496 ##########################################
2497 # lzfse check
2498
2499 if test "$lzfse" != "no" ; then
2500     cat > $TMPC << EOF
2501 #include <lzfse.h>
2502 int main(void) { lzfse_decode_scratch_size(); return 0; }
2503 EOF
2504     if compile_prog "" "-llzfse" ; then
2505         lzfse="yes"
2506     else
2507         if test "$lzfse" = "yes"; then
2508             feature_not_found "lzfse" "Install lzfse devel"
2509         fi
2510         lzfse="no"
2511     fi
2512 fi
2513
2514 ##########################################
2515 # zstd check
2516
2517 if test "$zstd" != "no" ; then
2518     libzstd_minver="1.4.0"
2519     if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2520         zstd_cflags="$($pkg_config --cflags libzstd)"
2521         zstd_libs="$($pkg_config --libs libzstd)"
2522         zstd="yes"
2523     else
2524         if test "$zstd" = "yes" ; then
2525             feature_not_found "libzstd" "Install libzstd devel"
2526         fi
2527         zstd="no"
2528     fi
2529 fi
2530
2531 ##########################################
2532 # libseccomp check
2533
2534 if test "$seccomp" != "no" ; then
2535     libseccomp_minver="2.3.0"
2536     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2537         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2538         seccomp_libs="$($pkg_config --libs libseccomp)"
2539         seccomp="yes"
2540     else
2541         if test "$seccomp" = "yes" ; then
2542             feature_not_found "libseccomp" \
2543                  "Install libseccomp devel >= $libseccomp_minver"
2544         fi
2545         seccomp="no"
2546     fi
2547 fi
2548
2549 ##########################################
2550 # xen probe
2551
2552 if test "$xen" != "disabled" ; then
2553   # Check whether Xen library path is specified via --extra-ldflags to avoid
2554   # overriding this setting with pkg-config output. If not, try pkg-config
2555   # to obtain all needed flags.
2556
2557   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2558      $pkg_config --exists xencontrol ; then
2559     xen_ctrl_version="$(printf '%d%02d%02d' \
2560       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2561     xen=enabled
2562     xen_pc="xencontrol xenstore xenforeignmemory xengnttab"
2563     xen_pc="$xen_pc xenevtchn xendevicemodel"
2564     if $pkg_config --exists xentoolcore; then
2565       xen_pc="$xen_pc xentoolcore"
2566     fi
2567     xen_cflags="$($pkg_config --cflags $xen_pc)"
2568     xen_libs="$($pkg_config --libs $xen_pc)"
2569   else
2570
2571     xen_libs="-lxenstore -lxenctrl"
2572     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2573
2574     # First we test whether Xen headers and libraries are available.
2575     # If no, we are done and there is no Xen support.
2576     # If yes, more tests are run to detect the Xen version.
2577
2578     # Xen (any)
2579     cat > $TMPC <<EOF
2580 #include <xenctrl.h>
2581 int main(void) {
2582   return 0;
2583 }
2584 EOF
2585     if ! compile_prog "" "$xen_libs" ; then
2586       # Xen not found
2587       if test "$xen" = "enabled" ; then
2588         feature_not_found "xen" "Install xen devel"
2589       fi
2590       xen=disabled
2591
2592     # Xen unstable
2593     elif
2594         cat > $TMPC <<EOF &&
2595 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2596 #define __XEN_TOOLS__
2597 #include <xendevicemodel.h>
2598 #include <xenforeignmemory.h>
2599 int main(void) {
2600   xendevicemodel_handle *xd;
2601   xenforeignmemory_handle *xfmem;
2602
2603   xd = xendevicemodel_open(0, 0);
2604   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2605
2606   xfmem = xenforeignmemory_open(0, 0);
2607   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2608
2609   return 0;
2610 }
2611 EOF
2612         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2613       then
2614       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2615       xen_ctrl_version=41100
2616       xen=enabled
2617     elif
2618         cat > $TMPC <<EOF &&
2619 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2620 #include <xenforeignmemory.h>
2621 #include <xentoolcore.h>
2622 int main(void) {
2623   xenforeignmemory_handle *xfmem;
2624
2625   xfmem = xenforeignmemory_open(0, 0);
2626   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2627   xentoolcore_restrict_all(0);
2628
2629   return 0;
2630 }
2631 EOF
2632         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2633       then
2634       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2635       xen_ctrl_version=41000
2636       xen=enabled
2637     elif
2638         cat > $TMPC <<EOF &&
2639 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2640 #define __XEN_TOOLS__
2641 #include <xendevicemodel.h>
2642 int main(void) {
2643   xendevicemodel_handle *xd;
2644
2645   xd = xendevicemodel_open(0, 0);
2646   xendevicemodel_close(xd);
2647
2648   return 0;
2649 }
2650 EOF
2651         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2652       then
2653       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2654       xen_ctrl_version=40900
2655       xen=enabled
2656     elif
2657         cat > $TMPC <<EOF &&
2658 /*
2659  * If we have stable libs the we don't want the libxc compat
2660  * layers, regardless of what CFLAGS we may have been given.
2661  *
2662  * Also, check if xengnttab_grant_copy_segment_t is defined and
2663  * grant copy operation is implemented.
2664  */
2665 #undef XC_WANT_COMPAT_EVTCHN_API
2666 #undef XC_WANT_COMPAT_GNTTAB_API
2667 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2668 #include <xenctrl.h>
2669 #include <xenstore.h>
2670 #include <xenevtchn.h>
2671 #include <xengnttab.h>
2672 #include <xenforeignmemory.h>
2673 #include <stdint.h>
2674 #include <xen/hvm/hvm_info_table.h>
2675 #if !defined(HVM_MAX_VCPUS)
2676 # error HVM_MAX_VCPUS not defined
2677 #endif
2678 int main(void) {
2679   xc_interface *xc = NULL;
2680   xenforeignmemory_handle *xfmem;
2681   xenevtchn_handle *xe;
2682   xengnttab_handle *xg;
2683   xengnttab_grant_copy_segment_t* seg = NULL;
2684
2685   xs_daemon_open();
2686
2687   xc = xc_interface_open(0, 0, 0);
2688   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2689   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2690   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2691   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2692
2693   xfmem = xenforeignmemory_open(0, 0);
2694   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2695
2696   xe = xenevtchn_open(0, 0);
2697   xenevtchn_fd(xe);
2698
2699   xg = xengnttab_open(0, 0);
2700   xengnttab_grant_copy(xg, 0, seg);
2701
2702   return 0;
2703 }
2704 EOF
2705         compile_prog "" "$xen_libs $xen_stable_libs"
2706       then
2707       xen_ctrl_version=40800
2708       xen=enabled
2709     elif
2710         cat > $TMPC <<EOF &&
2711 /*
2712  * If we have stable libs the we don't want the libxc compat
2713  * layers, regardless of what CFLAGS we may have been given.
2714  */
2715 #undef XC_WANT_COMPAT_EVTCHN_API
2716 #undef XC_WANT_COMPAT_GNTTAB_API
2717 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2718 #include <xenctrl.h>
2719 #include <xenstore.h>
2720 #include <xenevtchn.h>
2721 #include <xengnttab.h>
2722 #include <xenforeignmemory.h>
2723 #include <stdint.h>
2724 #include <xen/hvm/hvm_info_table.h>
2725 #if !defined(HVM_MAX_VCPUS)
2726 # error HVM_MAX_VCPUS not defined
2727 #endif
2728 int main(void) {
2729   xc_interface *xc = NULL;
2730   xenforeignmemory_handle *xfmem;
2731   xenevtchn_handle *xe;
2732   xengnttab_handle *xg;
2733
2734   xs_daemon_open();
2735
2736   xc = xc_interface_open(0, 0, 0);
2737   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2738   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2739   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2740   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2741
2742   xfmem = xenforeignmemory_open(0, 0);
2743   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2744
2745   xe = xenevtchn_open(0, 0);
2746   xenevtchn_fd(xe);
2747
2748   xg = xengnttab_open(0, 0);
2749   xengnttab_map_grant_ref(xg, 0, 0, 0);
2750
2751   return 0;
2752 }
2753 EOF
2754         compile_prog "" "$xen_libs $xen_stable_libs"
2755       then
2756       xen_ctrl_version=40701
2757       xen=enabled
2758
2759     # Xen 4.6
2760     elif
2761         cat > $TMPC <<EOF &&
2762 #include <xenctrl.h>
2763 #include <xenstore.h>
2764 #include <stdint.h>
2765 #include <xen/hvm/hvm_info_table.h>
2766 #if !defined(HVM_MAX_VCPUS)
2767 # error HVM_MAX_VCPUS not defined
2768 #endif
2769 int main(void) {
2770   xc_interface *xc;
2771   xs_daemon_open();
2772   xc = xc_interface_open(0, 0, 0);
2773   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2774   xc_gnttab_open(NULL, 0);
2775   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2776   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2777   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2778   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2779   return 0;
2780 }
2781 EOF
2782         compile_prog "" "$xen_libs"
2783       then
2784       xen_ctrl_version=40600
2785       xen=enabled
2786
2787     # Xen 4.5
2788     elif
2789         cat > $TMPC <<EOF &&
2790 #include <xenctrl.h>
2791 #include <xenstore.h>
2792 #include <stdint.h>
2793 #include <xen/hvm/hvm_info_table.h>
2794 #if !defined(HVM_MAX_VCPUS)
2795 # error HVM_MAX_VCPUS not defined
2796 #endif
2797 int main(void) {
2798   xc_interface *xc;
2799   xs_daemon_open();
2800   xc = xc_interface_open(0, 0, 0);
2801   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2802   xc_gnttab_open(NULL, 0);
2803   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2804   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2805   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2806   return 0;
2807 }
2808 EOF
2809         compile_prog "" "$xen_libs"
2810       then
2811       xen_ctrl_version=40500
2812       xen=enabled
2813
2814     elif
2815         cat > $TMPC <<EOF &&
2816 #include <xenctrl.h>
2817 #include <xenstore.h>
2818 #include <stdint.h>
2819 #include <xen/hvm/hvm_info_table.h>
2820 #if !defined(HVM_MAX_VCPUS)
2821 # error HVM_MAX_VCPUS not defined
2822 #endif
2823 int main(void) {
2824   xc_interface *xc;
2825   xs_daemon_open();
2826   xc = xc_interface_open(0, 0, 0);
2827   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2828   xc_gnttab_open(NULL, 0);
2829   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2830   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2831   return 0;
2832 }
2833 EOF
2834         compile_prog "" "$xen_libs"
2835       then
2836       xen_ctrl_version=40200
2837       xen=enabled
2838
2839     else
2840       if test "$xen" = "enabled" ; then
2841         feature_not_found "xen (unsupported version)" \
2842                           "Install a supported xen (xen 4.2 or newer)"
2843       fi
2844       xen=disabled
2845     fi
2846
2847     if test "$xen" = enabled; then
2848       if test $xen_ctrl_version -ge 40701  ; then
2849         xen_libs="$xen_libs $xen_stable_libs "
2850       fi
2851     fi
2852   fi
2853 fi
2854
2855 if test "$xen_pci_passthrough" != "disabled"; then
2856   if test "$xen" = "enabled" && test "$linux" = "yes"; then
2857     xen_pci_passthrough=enabled
2858   else
2859     if test "$xen_pci_passthrough" = "enabled"; then
2860       error_exit "User requested feature Xen PCI Passthrough" \
2861           " but this feature requires /sys from Linux"
2862     fi
2863     xen_pci_passthrough=disabled
2864   fi
2865 fi
2866
2867 ##########################################
2868 # gettext probe
2869 if test "$gettext" != "false" ; then
2870   if has xgettext; then
2871     gettext=true
2872   else
2873     if test "$gettext" = "true" ; then
2874       feature_not_found "gettext" "Install xgettext binary"
2875     fi
2876     gettext=false
2877   fi
2878 fi
2879
2880 ##########################################
2881 # X11 probe
2882 if $pkg_config --exists "x11"; then
2883     have_x11=yes
2884     x11_cflags=$($pkg_config --cflags x11)
2885     x11_libs=$($pkg_config --libs x11)
2886 fi
2887
2888 ##########################################
2889 # GTK probe
2890
2891 if test "$gtk" != "no"; then
2892     gtkpackage="gtk+-3.0"
2893     gtkx11package="gtk+-x11-3.0"
2894     gtkversion="3.22.0"
2895     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2896         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2897         gtk_libs=$($pkg_config --libs $gtkpackage)
2898         gtk_version=$($pkg_config --modversion $gtkpackage)
2899         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2900             need_x11=yes
2901             gtk_cflags="$gtk_cflags $x11_cflags"
2902             gtk_libs="$gtk_libs $x11_libs"
2903         fi
2904         gtk="yes"
2905     elif test "$gtk" = "yes"; then
2906         feature_not_found "gtk" "Install gtk3-devel"
2907     else
2908         gtk="no"
2909     fi
2910 fi
2911
2912
2913 ##########################################
2914 # GNUTLS probe
2915
2916 if test "$gnutls" != "no"; then
2917     pass="no"
2918     if $pkg_config --exists "gnutls >= 3.1.18"; then
2919         gnutls_cflags=$($pkg_config --cflags gnutls)
2920         gnutls_libs=$($pkg_config --libs gnutls)
2921         # Packaging for the static libraries is not always correct.
2922         # At least ubuntu 18.04 ships only shared libraries.
2923         write_c_skeleton
2924         if compile_prog "" "$gnutls_libs" ; then
2925             pass="yes"
2926         fi
2927     fi
2928     if test "$pass" = "no" && test "$gnutls" = "yes"; then
2929         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2930     else
2931         gnutls="$pass"
2932     fi
2933 fi
2934
2935
2936 # If user didn't give a --disable/enable-gcrypt flag,
2937 # then mark as disabled if user requested nettle
2938 # explicitly
2939 if test -z "$gcrypt"
2940 then
2941     if test "$nettle" = "yes"
2942     then
2943         gcrypt="no"
2944     fi
2945 fi
2946
2947 # If user didn't give a --disable/enable-nettle flag,
2948 # then mark as disabled if user requested gcrypt
2949 # explicitly
2950 if test -z "$nettle"
2951 then
2952     if test "$gcrypt" = "yes"
2953     then
2954         nettle="no"
2955     fi
2956 fi
2957
2958 has_libgcrypt() {
2959     if ! has "libgcrypt-config"
2960     then
2961         return 1
2962     fi
2963
2964     if test -n "$cross_prefix"
2965     then
2966         host=$(libgcrypt-config --host)
2967         if test "$host-" != $cross_prefix
2968         then
2969             return 1
2970         fi
2971     fi
2972
2973     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2974     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2975
2976     if test $maj != 1 || test $min -lt 5
2977     then
2978        return 1
2979     fi
2980
2981     return 0
2982 }
2983
2984
2985 if test "$nettle" != "no"; then
2986     pass="no"
2987     if $pkg_config --exists "nettle >= 2.7.1"; then
2988         nettle_cflags=$($pkg_config --cflags nettle)
2989         nettle_libs=$($pkg_config --libs nettle)
2990         nettle_version=$($pkg_config --modversion nettle)
2991         # Link test to make sure the given libraries work (e.g for static).
2992         write_c_skeleton
2993         if compile_prog "" "$nettle_libs" ; then
2994             if test -z "$gcrypt"; then
2995                gcrypt="no"
2996             fi
2997             pass="yes"
2998         fi
2999     fi
3000     if test "$pass" = "yes"
3001     then
3002         cat > $TMPC << EOF
3003 #include <nettle/xts.h>
3004 int main(void) {
3005   return 0;
3006 }
3007 EOF
3008         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3009             nettle_xts=yes
3010             qemu_private_xts=no
3011         fi
3012     fi
3013     if test "$pass" = "no" && test "$nettle" = "yes"; then
3014         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3015     else
3016         nettle="$pass"
3017     fi
3018 fi
3019
3020 if test "$gcrypt" != "no"; then
3021     pass="no"
3022     if has_libgcrypt; then
3023         gcrypt_cflags=$(libgcrypt-config --cflags)
3024         gcrypt_libs=$(libgcrypt-config --libs)
3025         # Debian has removed -lgpg-error from libgcrypt-config
3026         # as it "spreads unnecessary dependencies" which in
3027         # turn breaks static builds...
3028         if test "$static" = "yes"
3029         then
3030             gcrypt_libs="$gcrypt_libs -lgpg-error"
3031         fi
3032
3033         # Link test to make sure the given libraries work (e.g for static).
3034         write_c_skeleton
3035         if compile_prog "" "$gcrypt_libs" ; then
3036             pass="yes"
3037         fi
3038     fi
3039     if test "$pass" = "yes"; then
3040         gcrypt="yes"
3041         cat > $TMPC << EOF
3042 #include <gcrypt.h>
3043 int main(void) {
3044   gcry_mac_hd_t handle;
3045   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3046                 GCRY_MAC_FLAG_SECURE, NULL);
3047   return 0;
3048 }
3049 EOF
3050         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3051             gcrypt_hmac=yes
3052         fi
3053         cat > $TMPC << EOF
3054 #include <gcrypt.h>
3055 int main(void) {
3056   gcry_cipher_hd_t handle;
3057   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3058   return 0;
3059 }
3060 EOF
3061         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3062             gcrypt_xts=yes
3063             qemu_private_xts=no
3064         fi
3065     elif test "$gcrypt" = "yes"; then
3066         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3067     else
3068         gcrypt="no"
3069     fi
3070 fi
3071
3072
3073 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3074 then
3075     error_exit "Only one of gcrypt & nettle can be enabled"
3076 fi
3077
3078 ##########################################
3079 # libtasn1 - only for the TLS creds/session test suite
3080
3081 tasn1=yes
3082 tasn1_cflags=""
3083 tasn1_libs=""
3084 if $pkg_config --exists "libtasn1"; then
3085     tasn1_cflags=$($pkg_config --cflags libtasn1)
3086     tasn1_libs=$($pkg_config --libs libtasn1)
3087 else
3088     tasn1=no
3089 fi
3090
3091
3092 ##########################################
3093 # PAM probe
3094
3095 if test "$auth_pam" != "no"; then
3096     cat > $TMPC <<EOF
3097 #include <security/pam_appl.h>
3098 #include <stdio.h>
3099 int main(void) {
3100    const char *service_name = "qemu";
3101    const char *user = "frank";
3102    const struct pam_conv pam_conv = { 0 };
3103    pam_handle_t *pamh = NULL;
3104    pam_start(service_name, user, &pam_conv, &pamh);
3105    return 0;
3106 }
3107 EOF
3108     if compile_prog "" "-lpam" ; then
3109         auth_pam=yes
3110     else
3111         if test "$auth_pam" = "yes"; then
3112             feature_not_found "PAM" "Install PAM development package"
3113         else
3114             auth_pam=no
3115         fi
3116     fi
3117 fi
3118
3119 ##########################################
3120 # getifaddrs (for tests/test-io-channel-socket )
3121
3122 have_ifaddrs_h=yes
3123 if ! check_include "ifaddrs.h" ; then
3124   have_ifaddrs_h=no
3125 fi
3126
3127 #########################################
3128 # libdrm check
3129 have_drm_h=no
3130 if check_include "libdrm/drm.h" ; then
3131     have_drm_h=yes
3132 fi
3133
3134 #########################################
3135 # sys/signal.h check
3136 have_sys_signal_h=no
3137 if check_include "sys/signal.h" ; then
3138   have_sys_signal_h=yes
3139 fi
3140
3141 ##########################################
3142 # VTE probe
3143
3144 if test "$vte" != "no"; then
3145     vteminversion="0.32.0"
3146     if $pkg_config --exists "vte-2.91"; then
3147       vtepackage="vte-2.91"
3148     else
3149       vtepackage="vte-2.90"
3150     fi
3151     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3152         vte_cflags=$($pkg_config --cflags $vtepackage)
3153         vte_libs=$($pkg_config --libs $vtepackage)
3154         vteversion=$($pkg_config --modversion $vtepackage)
3155         vte="yes"
3156     elif test "$vte" = "yes"; then
3157         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3158     else
3159         vte="no"
3160     fi
3161 fi
3162
3163 ##########################################
3164 # RDMA needs OpenFabrics libraries
3165 if test "$rdma" != "no" ; then
3166   cat > $TMPC <<EOF
3167 #include <rdma/rdma_cma.h>
3168 int main(void) { return 0; }
3169 EOF
3170   rdma_libs="-lrdmacm -libverbs -libumad"
3171   if compile_prog "" "$rdma_libs" ; then
3172     rdma="yes"
3173   else
3174     if test "$rdma" = "yes" ; then
3175         error_exit \
3176             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3177             " Your options:" \
3178             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3179             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3180             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3181     fi
3182     rdma="no"
3183   fi
3184 fi
3185
3186 ##########################################
3187 # PVRDMA detection
3188
3189 cat > $TMPC <<EOF &&
3190 #include <sys/mman.h>
3191
3192 int
3193 main(void)
3194 {
3195     char buf = 0;
3196     void *addr = &buf;
3197     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3198
3199     return 0;
3200 }
3201 EOF
3202
3203 if test "$rdma" = "yes" ; then
3204     case "$pvrdma" in
3205     "")
3206         if compile_prog "" ""; then
3207             pvrdma="yes"
3208         else
3209             pvrdma="no"
3210         fi
3211         ;;
3212     "yes")
3213         if ! compile_prog "" ""; then
3214             error_exit "PVRDMA is not supported since mremap is not implemented"
3215         fi
3216         pvrdma="yes"
3217         ;;
3218     "no")
3219         pvrdma="no"
3220         ;;
3221     esac
3222 else
3223     if test "$pvrdma" = "yes" ; then
3224         error_exit "PVRDMA requires rdma suppport"
3225     fi
3226     pvrdma="no"
3227 fi
3228
3229 # Let's see if enhanced reg_mr is supported
3230 if test "$pvrdma" = "yes" ; then
3231
3232 cat > $TMPC <<EOF &&
3233 #include <infiniband/verbs.h>
3234
3235 int
3236 main(void)
3237 {
3238     struct ibv_mr *mr;
3239     struct ibv_pd *pd = NULL;
3240     size_t length = 10;
3241     uint64_t iova = 0;
3242     int access = 0;
3243     void *addr = NULL;
3244
3245     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3246
3247     ibv_dereg_mr(mr);
3248
3249     return 0;
3250 }
3251 EOF
3252     if ! compile_prog "" "-libverbs"; then
3253         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3254     fi
3255 fi
3256
3257 ##########################################
3258 # xfsctl() probe, used for file-posix.c
3259 if test "$xfs" != "no" ; then
3260   cat > $TMPC << EOF
3261 #include <stddef.h>  /* NULL */
3262 #include <xfs/xfs.h>
3263 int main(void)
3264 {
3265     xfsctl(NULL, 0, 0, NULL);
3266     return 0;
3267 }
3268 EOF
3269   if compile_prog "" "" ; then
3270     xfs="yes"
3271   else
3272     if test "$xfs" = "yes" ; then
3273       feature_not_found "xfs" "Install xfsprogs/xfslibs devel"
3274     fi
3275     xfs=no
3276   fi
3277 fi
3278
3279 ##########################################
3280 # vde libraries probe
3281 if test "$vde" != "no" ; then
3282   vde_libs="-lvdeplug"
3283   cat > $TMPC << EOF
3284 #include <stddef.h>
3285 #include <libvdeplug.h>
3286 int main(void)
3287 {
3288     struct vde_open_args a = {0, 0, 0};
3289     char s[] = "";
3290     vde_open(s, s, &a);
3291     return 0;
3292 }
3293 EOF
3294   if compile_prog "" "$vde_libs" ; then
3295     vde=yes
3296   else
3297     if test "$vde" = "yes" ; then
3298       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3299     fi
3300     vde=no
3301   fi
3302 fi
3303
3304 ##########################################
3305 # netmap support probe
3306 # Apart from looking for netmap headers, we make sure that the host API version
3307 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3308 # a minor/major version number. Minor new features will be marked with values up
3309 # to 15, and if something happens that requires a change to the backend we will
3310 # move above 15, submit the backend fixes and modify this two bounds.
3311 if test "$netmap" != "no" ; then
3312   cat > $TMPC << EOF
3313 #include <inttypes.h>
3314 #include <net/if.h>
3315 #include <net/netmap.h>
3316 #include <net/netmap_user.h>
3317 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3318 #error
3319 #endif
3320 int main(void) { return 0; }
3321 EOF
3322   if compile_prog "" "" ; then
3323     netmap=yes
3324   else
3325     if test "$netmap" = "yes" ; then
3326       feature_not_found "netmap"
3327     fi
3328     netmap=no
3329   fi
3330 fi
3331
3332 ##########################################
3333 # libcap-ng library probe
3334 if test "$cap_ng" != "no" ; then
3335   cap_libs="-lcap-ng"
3336   cat > $TMPC << EOF
3337 #include <cap-ng.h>
3338 int main(void)
3339 {
3340     capng_capability_to_name(CAPNG_EFFECTIVE);
3341     return 0;
3342 }
3343 EOF
3344   if compile_prog "" "$cap_libs" ; then
3345     cap_ng=yes
3346   else
3347     if test "$cap_ng" = "yes" ; then
3348       feature_not_found "cap_ng" "Install libcap-ng devel"
3349     fi
3350     cap_ng=no
3351   fi
3352 fi
3353
3354 ##########################################
3355 # Sound support libraries probe
3356
3357 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3358 for drv in $audio_drv_list; do
3359     case $drv in
3360     alsa | try-alsa)
3361     if $pkg_config alsa --exists; then
3362         alsa_libs=$($pkg_config alsa --libs)
3363         alsa_cflags=$($pkg_config alsa --cflags)
3364         alsa=yes
3365         if test "$drv" = "try-alsa"; then
3366             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3367         fi
3368     else
3369         if test "$drv" = "try-alsa"; then
3370             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3371         else
3372             error_exit "$drv check failed" \
3373                 "Make sure to have the $drv libs and headers installed."
3374         fi
3375     fi
3376     ;;
3377
3378     pa | try-pa)
3379     if $pkg_config libpulse --exists; then
3380         libpulse=yes
3381         pulse_libs=$($pkg_config libpulse --libs)
3382         pulse_cflags=$($pkg_config libpulse --cflags)
3383         if test "$drv" = "try-pa"; then
3384             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3385         fi
3386     else
3387         if test "$drv" = "try-pa"; then
3388             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3389         else
3390             error_exit "$drv check failed" \
3391                 "Make sure to have the $drv libs and headers installed."
3392         fi
3393     fi
3394     ;;
3395
3396     sdl)
3397     if test "$sdl" = "no"; then
3398         error_exit "sdl not found or disabled, can not use sdl audio driver"
3399     fi
3400     ;;
3401
3402     try-sdl)
3403     if test "$sdl" = "no"; then
3404         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3405     else
3406         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3407     fi
3408     ;;
3409
3410     coreaudio)
3411       coreaudio_libs="-framework CoreAudio"
3412     ;;
3413
3414     dsound)
3415       dsound_libs="-lole32 -ldxguid"
3416       audio_win_int="yes"
3417     ;;
3418
3419     oss)
3420       oss_libs="$oss_lib"
3421     ;;
3422
3423     jack | try-jack)
3424     if $pkg_config jack --exists; then
3425         libjack=yes
3426         jack_libs=$($pkg_config jack --libs)
3427         if test "$drv" = "try-jack"; then
3428             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3429         fi
3430     else
3431         if test "$drv" = "try-jack"; then
3432             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3433         else
3434             error_exit "$drv check failed" \
3435                 "Make sure to have the $drv libs and headers installed."
3436         fi
3437     fi
3438     ;;
3439
3440     *)
3441     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3442         error_exit "Unknown driver '$drv' selected" \
3443             "Possible drivers are: $audio_possible_drivers"
3444     }
3445     ;;
3446     esac
3447 done
3448
3449 ##########################################
3450 # BrlAPI probe
3451
3452 if test "$brlapi" != "no" ; then
3453   brlapi_libs="-lbrlapi"
3454   cat > $TMPC << EOF
3455 #include <brlapi.h>
3456 #include <stddef.h>
3457 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3458 EOF
3459   if compile_prog "" "$brlapi_libs" ; then
3460     brlapi=yes
3461   else
3462     if test "$brlapi" = "yes" ; then
3463       feature_not_found "brlapi" "Install brlapi devel"
3464     fi
3465     brlapi=no
3466   fi
3467 fi
3468
3469 ##########################################
3470 # curl probe
3471 if test "$curl" != "no" ; then
3472   if $pkg_config libcurl --exists; then
3473     curlconfig="$pkg_config libcurl"
3474   else
3475     curlconfig=curl-config
3476   fi
3477   cat > $TMPC << EOF
3478 #include <curl/curl.h>
3479 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3480 EOF
3481   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3482   curl_libs=$($curlconfig --libs 2>/dev/null)
3483   if compile_prog "$curl_cflags" "$curl_libs" ; then
3484     curl=yes
3485   else
3486     if test "$curl" = "yes" ; then
3487       feature_not_found "curl" "Install libcurl devel"
3488     fi
3489     curl=no
3490   fi
3491 fi # test "$curl"
3492
3493 ##########################################
3494 # glib support probe
3495
3496 glib_req_ver=2.48
3497 glib_modules=gthread-2.0
3498 if test "$modules" = yes; then
3499     glib_modules="$glib_modules gmodule-export-2.0"
3500 fi
3501 if test "$plugins" = yes; then
3502     glib_modules="$glib_modules gmodule-2.0"
3503 fi
3504
3505 for i in $glib_modules; do
3506     if $pkg_config --atleast-version=$glib_req_ver $i; then
3507         glib_cflags=$($pkg_config --cflags $i)
3508         glib_libs=$($pkg_config --libs $i)
3509     else
3510         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3511     fi
3512 done
3513
3514 # This workaround is required due to a bug in pkg-config file for glib as it
3515 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3516
3517 if test "$static" = yes && test "$mingw32" = yes; then
3518     glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
3519 fi
3520
3521 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3522     gio_cflags=$($pkg_config --cflags gio-2.0)
3523     gio_libs=$($pkg_config --libs gio-2.0)
3524     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3525     if [ ! -x "$gdbus_codegen" ]; then
3526         gdbus_codegen=
3527     fi
3528     # Check that the libraries actually work -- Ubuntu 18.04 ships
3529     # with pkg-config --static --libs data for gio-2.0 that is missing
3530     # -lblkid and will give a link error.
3531     cat > $TMPC <<EOF
3532 #include <gio/gio.h>
3533 int main(void)
3534 {
3535     g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
3536     return 0;
3537 }
3538 EOF
3539     if compile_prog "$gio_cflags" "$gio_libs" ; then
3540         gio=yes
3541     else
3542         gio=no
3543     fi
3544 else
3545     gio=no
3546 fi
3547
3548 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3549     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3550     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3551 fi
3552
3553 # Sanity check that the current size_t matches the
3554 # size that glib thinks it should be. This catches
3555 # problems on multi-arch where people try to build
3556 # 32-bit QEMU while pointing at 64-bit glib headers
3557 cat > $TMPC <<EOF
3558 #include <glib.h>
3559 #include <unistd.h>
3560
3561 #define QEMU_BUILD_BUG_ON(x) \
3562   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3563
3564 int main(void) {
3565    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3566    return 0;
3567 }
3568 EOF
3569
3570 if ! compile_prog "$glib_cflags" "$glib_libs" ; then
3571     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3572                "You probably need to set PKG_CONFIG_LIBDIR"\
3573                "to point to the right pkg-config files for your"\
3574                "build target"
3575 fi
3576
3577 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3578 cat > $TMPC << EOF
3579 #include <glib.h>
3580 int main(void) { return 0; }
3581 EOF
3582 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3583     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3584         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3585         CONFIGURE_CFLAGS="-Wno-unknown-attributes $CONFIGURE_CFLAGS"
3586     fi
3587 fi
3588
3589 # Silence clang warnings triggered by glib < 2.57.2
3590 cat > $TMPC << EOF
3591 #include <glib.h>
3592 typedef struct Foo {
3593     int i;
3594 } Foo;
3595 static void foo_free(Foo *f)
3596 {
3597     g_free(f);
3598 }
3599 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
3600 int main(void) { return 0; }
3601 EOF
3602 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3603     if cc_has_warning_flag "-Wno-unused-function"; then
3604         glib_cflags="$glib_cflags -Wno-unused-function"
3605         CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
3606     fi
3607 fi
3608
3609 ##########################################
3610 # SHA command probe for modules
3611 if test "$modules" = yes; then
3612     shacmd_probe="sha1sum sha1 shasum"
3613     for c in $shacmd_probe; do
3614         if has $c; then
3615             shacmd="$c"
3616             break
3617         fi
3618     done
3619     if test "$shacmd" = ""; then
3620         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3621     fi
3622 fi
3623
3624 ##########################################
3625 # pthread probe
3626 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3627
3628 pthread=no
3629 cat > $TMPC << EOF
3630 #include <pthread.h>
3631 static void *f(void *p) { return NULL; }
3632 int main(void) {
3633   pthread_t thread;
3634   pthread_create(&thread, 0, f, 0);
3635   return 0;
3636 }
3637 EOF
3638 if compile_prog "" "" ; then
3639   pthread=yes
3640 else
3641   for pthread_lib in $PTHREADLIBS_LIST; do
3642     if compile_prog "" "$pthread_lib" ; then
3643       pthread=yes
3644       found=no
3645       for lib_entry in $LIBS; do
3646         if test "$lib_entry" = "$pthread_lib"; then
3647           found=yes
3648           break
3649         fi
3650       done
3651       if test "$found" = "no"; then
3652         LIBS="$pthread_lib $LIBS"
3653       fi
3654       break
3655     fi
3656   done
3657 fi
3658
3659 if test "$mingw32" != yes && test "$pthread" = no; then
3660   error_exit "pthread check failed" \
3661       "Make sure to have the pthread libs and headers installed."
3662 fi
3663
3664 # check for pthread_setname_np with thread id
3665 pthread_setname_np_w_tid=no
3666 cat > $TMPC << EOF
3667 #include <pthread.h>
3668
3669 static void *f(void *p) { return NULL; }
3670 int main(void)
3671 {
3672     pthread_t thread;
3673     pthread_create(&thread, 0, f, 0);
3674     pthread_setname_np(thread, "QEMU");
3675     return 0;
3676 }
3677 EOF
3678 if compile_prog "" "$pthread_lib" ; then
3679   pthread_setname_np_w_tid=yes
3680 fi
3681
3682 # check for pthread_setname_np without thread id
3683 pthread_setname_np_wo_tid=no
3684 cat > $TMPC << EOF
3685 #include <pthread.h>
3686
3687 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
3688 int main(void)
3689 {
3690     pthread_t thread;
3691     pthread_create(&thread, 0, f, 0);
3692     return 0;
3693 }
3694 EOF
3695 if compile_prog "" "$pthread_lib" ; then
3696   pthread_setname_np_wo_tid=yes
3697 fi
3698
3699 ##########################################
3700 # rbd probe
3701 if test "$rbd" != "no" ; then
3702   cat > $TMPC <<EOF
3703 #include <stdio.h>
3704 #include <rbd/librbd.h>
3705 int main(void) {
3706     rados_t cluster;
3707     rados_create(&cluster, NULL);
3708     return 0;
3709 }
3710 EOF
3711   rbd_libs="-lrbd -lrados"
3712   if compile_prog "" "$rbd_libs" ; then
3713     rbd=yes
3714   else
3715     if test "$rbd" = "yes" ; then
3716       feature_not_found "rados block device" "Install librbd/ceph devel"
3717     fi
3718     rbd=no
3719   fi
3720 fi
3721
3722 ##########################################
3723 # libssh probe
3724 if test "$libssh" != "no" ; then
3725   if $pkg_config --exists libssh; then
3726     libssh_cflags=$($pkg_config libssh --cflags)
3727     libssh_libs=$($pkg_config libssh --libs)
3728     libssh=yes
3729   else
3730     if test "$libssh" = "yes" ; then
3731       error_exit "libssh required for --enable-libssh"
3732     fi
3733     libssh=no
3734   fi
3735 fi
3736
3737 ##########################################
3738 # Check for libssh 0.8
3739 # This is done like this instead of using the LIBSSH_VERSION_* and
3740 # SSH_VERSION_* macros because some distributions in the past shipped
3741 # snapshots of the future 0.8 from Git, and those snapshots did not
3742 # have updated version numbers (still referring to 0.7.0).
3743
3744 if test "$libssh" = "yes"; then
3745   cat > $TMPC <<EOF
3746 #include <libssh/libssh.h>
3747 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
3748 EOF
3749   if compile_prog "$libssh_cflags" "$libssh_libs"; then
3750     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
3751   fi
3752 fi
3753
3754 ##########################################
3755 # linux-aio probe
3756
3757 if test "$linux_aio" != "no" ; then
3758   cat > $TMPC <<EOF
3759 #include <libaio.h>
3760 #include <sys/eventfd.h>
3761 #include <stddef.h>
3762 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3763 EOF
3764   if compile_prog "" "-laio" ; then
3765     linux_aio=yes
3766   else
3767     if test "$linux_aio" = "yes" ; then
3768       feature_not_found "linux AIO" "Install libaio devel"
3769     fi
3770     linux_aio=no
3771   fi
3772 fi
3773 ##########################################
3774 # linux-io-uring probe
3775
3776 if test "$linux_io_uring" != "no" ; then
3777   if $pkg_config liburing; then
3778     linux_io_uring_cflags=$($pkg_config --cflags liburing)
3779     linux_io_uring_libs=$($pkg_config --libs liburing)
3780     linux_io_uring=yes
3781   else
3782     if test "$linux_io_uring" = "yes" ; then
3783       feature_not_found "linux io_uring" "Install liburing devel"
3784     fi
3785     linux_io_uring=no
3786   fi
3787 fi
3788
3789 ##########################################
3790 # TPM emulation is only on POSIX
3791
3792 if test "$tpm" = ""; then
3793   if test "$mingw32" = "yes"; then
3794     tpm=no
3795   else
3796     tpm=yes
3797   fi
3798 elif test "$tpm" = "yes"; then
3799   if test "$mingw32" = "yes" ; then
3800     error_exit "TPM emulation only available on POSIX systems"
3801   fi
3802 fi
3803
3804 ##########################################
3805 # attr probe
3806
3807 libattr_libs=
3808 if test "$attr" != "no" ; then
3809   cat > $TMPC <<EOF
3810 #include <stdio.h>
3811 #include <sys/types.h>
3812 #ifdef CONFIG_LIBATTR
3813 #include <attr/xattr.h>
3814 #else
3815 #include <sys/xattr.h>
3816 #endif
3817 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3818 EOF
3819   if compile_prog "" "" ; then
3820     attr=yes
3821   # Older distros have <attr/xattr.h>, and need -lattr:
3822   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3823     attr=yes
3824     libattr_libs="-lattr"
3825     libattr=yes
3826   else
3827     if test "$attr" = "yes" ; then
3828       feature_not_found "ATTR" "Install libc6 or libattr devel"
3829     fi
3830     attr=no
3831   fi
3832 fi
3833
3834 ##########################################
3835 # iovec probe
3836 cat > $TMPC <<EOF
3837 #include <sys/types.h>
3838 #include <sys/uio.h>
3839 #include <unistd.h>
3840 int main(void) { return sizeof(struct iovec); }
3841 EOF
3842 iovec=no
3843 if compile_prog "" "" ; then
3844   iovec=yes
3845 fi
3846
3847 ##########################################
3848 # preadv probe
3849 cat > $TMPC <<EOF
3850 #include <sys/types.h>
3851 #include <sys/uio.h>
3852 #include <unistd.h>
3853 int main(void) { return preadv(0, 0, 0, 0); }
3854 EOF
3855 preadv=no
3856 if compile_prog "" "" ; then
3857   preadv=yes
3858 fi
3859
3860 ##########################################
3861 # fdt probe
3862
3863 case "$fdt" in
3864   auto | enabled | internal)
3865     # Simpler to always update submodule, even if not needed.
3866     if test -e "${source_path}/.git" && test $git_update = 'yes' ; then
3867       git_submodules="${git_submodules} dtc"
3868     fi
3869     ;;
3870 esac
3871
3872 ##########################################
3873 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3874
3875 gbm="no"
3876 if $pkg_config gbm; then
3877     gbm_cflags="$($pkg_config --cflags gbm)"
3878     gbm_libs="$($pkg_config --libs gbm)"
3879     gbm="yes"
3880 fi
3881
3882 if test "$opengl" != "no" ; then
3883   opengl_pkgs="epoxy gbm"
3884   if $pkg_config $opengl_pkgs; then
3885     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
3886     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
3887     opengl=yes
3888     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3889         gtk_gl="yes"
3890     fi
3891   else
3892     if test "$opengl" = "yes" ; then
3893       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3894     fi
3895     opengl_cflags=""
3896     opengl_libs=""
3897     opengl=no
3898   fi
3899 fi
3900
3901 if test "$opengl" = "yes"; then
3902   cat > $TMPC << EOF
3903 #include <epoxy/egl.h>
3904 #ifndef EGL_MESA_image_dma_buf_export
3905 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3906 #endif
3907 int main(void) { return 0; }
3908 EOF
3909   if compile_prog "" "" ; then
3910     opengl_dmabuf=yes
3911   fi
3912 fi
3913
3914 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
3915   for target in $target_list; do
3916     case $target in
3917       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
3918         need_x11=yes
3919       ;;
3920     esac
3921   done
3922 fi
3923
3924 ##########################################
3925 # libxml2 probe
3926 if test "$libxml2" != "no" ; then
3927     if $pkg_config --exists libxml-2.0; then
3928         libxml2="yes"
3929         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
3930         libxml2_libs=$($pkg_config --libs libxml-2.0)
3931     else
3932         if test "$libxml2" = "yes"; then
3933             feature_not_found "libxml2" "Install libxml2 devel"
3934         fi
3935         libxml2="no"
3936     fi
3937 fi
3938
3939 ##########################################
3940 # glusterfs probe
3941 if test "$glusterfs" != "no" ; then
3942   if $pkg_config --atleast-version=3 glusterfs-api; then
3943     glusterfs="yes"
3944     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3945     glusterfs_libs=$($pkg_config --libs glusterfs-api)
3946     if $pkg_config --atleast-version=4 glusterfs-api; then
3947       glusterfs_xlator_opt="yes"
3948     fi
3949     if $pkg_config --atleast-version=5 glusterfs-api; then
3950       glusterfs_discard="yes"
3951     fi
3952     if $pkg_config --atleast-version=6 glusterfs-api; then
3953       glusterfs_fallocate="yes"
3954       glusterfs_zerofill="yes"
3955     fi
3956     cat > $TMPC << EOF
3957 #include <glusterfs/api/glfs.h>
3958
3959 int
3960 main(void)
3961 {
3962         /* new glfs_ftruncate() passes two additional args */
3963         return glfs_ftruncate(NULL, 0, NULL, NULL);
3964 }
3965 EOF
3966     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
3967       glusterfs_ftruncate_has_stat="yes"
3968     fi
3969     cat > $TMPC << EOF
3970 #include <glusterfs/api/glfs.h>
3971
3972 /* new glfs_io_cbk() passes two additional glfs_stat structs */
3973 static void
3974 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
3975 {}
3976
3977 int
3978 main(void)
3979 {
3980         glfs_io_cbk iocb = &glusterfs_iocb;
3981         iocb(NULL, 0 , NULL, NULL, NULL);
3982         return 0;
3983 }
3984 EOF
3985     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
3986       glusterfs_iocb_has_stat="yes"
3987     fi
3988   else
3989     if test "$glusterfs" = "yes" ; then
3990       feature_not_found "GlusterFS backend support" \
3991           "Install glusterfs-api devel >= 3"
3992     fi
3993     glusterfs="no"
3994   fi
3995 fi
3996
3997 # Check for inotify functions when we are building linux-user
3998 # emulator.  This is done because older glibc versions don't
3999 # have syscall stubs for these implemented.  In that case we
4000 # don't provide them even if kernel supports them.
4001 #
4002 inotify=no
4003 cat > $TMPC << EOF
4004 #include <sys/inotify.h>
4005
4006 int
4007 main(void)
4008 {
4009         /* try to start inotify */
4010         return inotify_init();
4011 }
4012 EOF
4013 if compile_prog "" "" ; then
4014   inotify=yes
4015 fi
4016
4017 inotify1=no
4018 cat > $TMPC << EOF
4019 #include <sys/inotify.h>
4020
4021 int
4022 main(void)
4023 {
4024     /* try to start inotify */
4025     return inotify_init1(0);
4026 }
4027 EOF
4028 if compile_prog "" "" ; then
4029   inotify1=yes
4030 fi
4031
4032 # check if pipe2 is there
4033 pipe2=no
4034 cat > $TMPC << EOF
4035 #include <unistd.h>
4036 #include <fcntl.h>
4037
4038 int main(void)
4039 {
4040     int pipefd[2];
4041     return pipe2(pipefd, O_CLOEXEC);
4042 }
4043 EOF
4044 if compile_prog "" "" ; then
4045   pipe2=yes
4046 fi
4047
4048 # check if accept4 is there
4049 accept4=no
4050 cat > $TMPC << EOF
4051 #include <sys/socket.h>
4052 #include <stddef.h>
4053
4054 int main(void)
4055 {
4056     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4057     return 0;
4058 }
4059 EOF
4060 if compile_prog "" "" ; then
4061   accept4=yes
4062 fi
4063
4064 # check if tee/splice is there. vmsplice was added same time.
4065 splice=no
4066 cat > $TMPC << EOF
4067 #include <unistd.h>
4068 #include <fcntl.h>
4069 #include <limits.h>
4070
4071 int main(void)
4072 {
4073     int len, fd = 0;
4074     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4075     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4076     return 0;
4077 }
4078 EOF
4079 if compile_prog "" "" ; then
4080   splice=yes
4081 fi
4082
4083 ##########################################
4084 # libnuma probe
4085
4086 if test "$numa" != "no" ; then
4087   cat > $TMPC << EOF
4088 #include <numa.h>
4089 int main(void) { return numa_available(); }
4090 EOF
4091
4092   if compile_prog "" "-lnuma" ; then
4093     numa=yes
4094     numa_libs="-lnuma"
4095   else
4096     if test "$numa" = "yes" ; then
4097       feature_not_found "numa" "install numactl devel"
4098     fi
4099     numa=no
4100   fi
4101 fi
4102
4103 malloc=system
4104 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4105     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4106     exit 1
4107 elif test "$tcmalloc" = "yes" ; then
4108     malloc=tcmalloc
4109 elif test "$jemalloc" = "yes" ; then
4110     malloc=jemalloc
4111 fi
4112
4113 ##########################################
4114 # signalfd probe
4115 signalfd="no"
4116 cat > $TMPC << EOF
4117 #include <unistd.h>
4118 #include <sys/syscall.h>
4119 #include <signal.h>
4120 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4121 EOF
4122
4123 if compile_prog "" "" ; then
4124   signalfd=yes
4125 fi
4126
4127 # check if optreset global is declared by <getopt.h>
4128 optreset="no"
4129 cat > $TMPC << EOF
4130 #include <getopt.h>
4131 int main(void) { return optreset; }
4132 EOF
4133
4134 if compile_prog "" "" ; then
4135   optreset=yes
4136 fi
4137
4138 # check if eventfd is supported
4139 eventfd=no
4140 cat > $TMPC << EOF
4141 #include <sys/eventfd.h>
4142
4143 int main(void)
4144 {
4145     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4146 }
4147 EOF
4148 if compile_prog "" "" ; then
4149   eventfd=yes
4150 fi
4151
4152 # check if memfd is supported
4153 memfd=no
4154 cat > $TMPC << EOF
4155 #include <sys/mman.h>
4156
4157 int main(void)
4158 {
4159     return memfd_create("foo", MFD_ALLOW_SEALING);
4160 }
4161 EOF
4162 if compile_prog "" "" ; then
4163   memfd=yes
4164 fi
4165
4166 # check for usbfs
4167 have_usbfs=no
4168 if test "$linux_user" = "yes"; then
4169   cat > $TMPC << EOF
4170 #include <linux/usbdevice_fs.h>
4171
4172 #ifndef USBDEVFS_GET_CAPABILITIES
4173 #error "USBDEVFS_GET_CAPABILITIES undefined"
4174 #endif
4175
4176 #ifndef USBDEVFS_DISCONNECT_CLAIM
4177 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4178 #endif
4179
4180 int main(void)
4181 {
4182     return 0;
4183 }
4184 EOF
4185   if compile_prog "" ""; then
4186     have_usbfs=yes
4187   fi
4188 fi
4189
4190 # check for fallocate
4191 fallocate=no
4192 cat > $TMPC << EOF
4193 #include <fcntl.h>
4194
4195 int main(void)
4196 {
4197     fallocate(0, 0, 0, 0);
4198     return 0;
4199 }
4200 EOF
4201 if compile_prog "" "" ; then
4202   fallocate=yes
4203 fi
4204
4205 # check for fallocate hole punching
4206 fallocate_punch_hole=no
4207 cat > $TMPC << EOF
4208 #include <fcntl.h>
4209 #include <linux/falloc.h>
4210
4211 int main(void)
4212 {
4213     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4214     return 0;
4215 }
4216 EOF
4217 if compile_prog "" "" ; then
4218   fallocate_punch_hole=yes
4219 fi
4220
4221 # check that fallocate supports range zeroing inside the file
4222 fallocate_zero_range=no
4223 cat > $TMPC << EOF
4224 #include <fcntl.h>
4225 #include <linux/falloc.h>
4226
4227 int main(void)
4228 {
4229     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4230     return 0;
4231 }
4232 EOF
4233 if compile_prog "" "" ; then
4234   fallocate_zero_range=yes
4235 fi
4236
4237 # check for posix_fallocate
4238 posix_fallocate=no
4239 cat > $TMPC << EOF
4240 #include <fcntl.h>
4241
4242 int main(void)
4243 {
4244     posix_fallocate(0, 0, 0);
4245     return 0;
4246 }
4247 EOF
4248 if compile_prog "" "" ; then
4249     posix_fallocate=yes
4250 fi
4251
4252 # check for sync_file_range
4253 sync_file_range=no
4254 cat > $TMPC << EOF
4255 #include <fcntl.h>
4256
4257 int main(void)
4258 {
4259     sync_file_range(0, 0, 0, 0);
4260     return 0;
4261 }
4262 EOF
4263 if compile_prog "" "" ; then
4264   sync_file_range=yes
4265 fi
4266
4267 # check for linux/fiemap.h and FS_IOC_FIEMAP
4268 fiemap=no
4269 cat > $TMPC << EOF
4270 #include <sys/ioctl.h>
4271 #include <linux/fs.h>
4272 #include <linux/fiemap.h>
4273
4274 int main(void)
4275 {
4276     ioctl(0, FS_IOC_FIEMAP, 0);
4277     return 0;
4278 }
4279 EOF
4280 if compile_prog "" "" ; then
4281   fiemap=yes
4282 fi
4283
4284 # check for dup3
4285 dup3=no
4286 cat > $TMPC << EOF
4287 #include <unistd.h>
4288
4289 int main(void)
4290 {
4291     dup3(0, 0, 0);
4292     return 0;
4293 }
4294 EOF
4295 if compile_prog "" "" ; then
4296   dup3=yes
4297 fi
4298
4299 # check for ppoll support
4300 ppoll=no
4301 cat > $TMPC << EOF
4302 #include <poll.h>
4303
4304 int main(void)
4305 {
4306     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4307     ppoll(&pfd, 1, 0, 0);
4308     return 0;
4309 }
4310 EOF
4311 if compile_prog "" "" ; then
4312   ppoll=yes
4313 fi
4314
4315 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4316 prctl_pr_set_timerslack=no
4317 cat > $TMPC << EOF
4318 #include <sys/prctl.h>
4319
4320 int main(void)
4321 {
4322     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4323     return 0;
4324 }
4325 EOF
4326 if compile_prog "" "" ; then
4327   prctl_pr_set_timerslack=yes
4328 fi
4329
4330 # check for epoll support
4331 epoll=no
4332 cat > $TMPC << EOF
4333 #include <sys/epoll.h>
4334
4335 int main(void)
4336 {
4337     epoll_create(0);
4338     return 0;
4339 }
4340 EOF
4341 if compile_prog "" "" ; then
4342   epoll=yes
4343 fi
4344
4345 # epoll_create1 is a later addition
4346 # so we must check separately for its presence
4347 epoll_create1=no
4348 cat > $TMPC << EOF
4349 #include <sys/epoll.h>
4350
4351 int main(void)
4352 {
4353     /* Note that we use epoll_create1 as a value, not as
4354      * a function being called. This is necessary so that on
4355      * old SPARC glibc versions where the function was present in
4356      * the library but not declared in the header file we will
4357      * fail the configure check. (Otherwise we will get a compiler
4358      * warning but not an error, and will proceed to fail the
4359      * qemu compile where we compile with -Werror.)
4360      */
4361     return (int)(uintptr_t)&epoll_create1;
4362 }
4363 EOF
4364 if compile_prog "" "" ; then
4365   epoll_create1=yes
4366 fi
4367
4368 # check for sendfile support
4369 sendfile=no
4370 cat > $TMPC << EOF
4371 #include <sys/sendfile.h>
4372
4373 int main(void)
4374 {
4375     return sendfile(0, 0, 0, 0);
4376 }
4377 EOF
4378 if compile_prog "" "" ; then
4379   sendfile=yes
4380 fi
4381
4382 # check for timerfd support (glibc 2.8 and newer)
4383 timerfd=no
4384 cat > $TMPC << EOF
4385 #include <sys/timerfd.h>
4386
4387 int main(void)
4388 {
4389     return(timerfd_create(CLOCK_REALTIME, 0));
4390 }
4391 EOF
4392 if compile_prog "" "" ; then
4393   timerfd=yes
4394 fi
4395
4396 # check for setns and unshare support
4397 setns=no
4398 cat > $TMPC << EOF
4399 #include <sched.h>
4400
4401 int main(void)
4402 {
4403     int ret;
4404     ret = setns(0, 0);
4405     ret = unshare(0);
4406     return ret;
4407 }
4408 EOF
4409 if compile_prog "" "" ; then
4410   setns=yes
4411 fi
4412
4413 # clock_adjtime probe
4414 clock_adjtime=no
4415 cat > $TMPC <<EOF
4416 #include <time.h>
4417
4418 int main(void)
4419 {
4420     return clock_adjtime(0, 0);
4421 }
4422 EOF
4423 clock_adjtime=no
4424 if compile_prog "" "" ; then
4425   clock_adjtime=yes
4426 fi
4427
4428 # syncfs probe
4429 syncfs=no
4430 cat > $TMPC <<EOF
4431 #include <unistd.h>
4432
4433 int main(void)
4434 {
4435     return syncfs(0);
4436 }
4437 EOF
4438 syncfs=no
4439 if compile_prog "" "" ; then
4440   syncfs=yes
4441 fi
4442
4443 # check for kcov support (kernel must be 4.4+, compiled with certain options)
4444 kcov=no
4445 if check_include sys/kcov.h ; then
4446     kcov=yes
4447 fi
4448
4449 # check for btrfs filesystem support (kernel must be 3.9+)
4450 btrfs=no
4451 if check_include linux/btrfs.h ; then
4452     btrfs=yes
4453 fi
4454
4455 # Search for bswap_32 function
4456 byteswap_h=no
4457 cat > $TMPC << EOF
4458 #include <byteswap.h>
4459 int main(void) { return bswap_32(0); }
4460 EOF
4461 if compile_prog "" "" ; then
4462   byteswap_h=yes
4463 fi
4464
4465 # Search for bswap32 function
4466 bswap_h=no
4467 cat > $TMPC << EOF
4468 #include <sys/endian.h>
4469 #include <sys/types.h>
4470 #include <machine/bswap.h>
4471 int main(void) { return bswap32(0); }
4472 EOF
4473 if compile_prog "" "" ; then
4474   bswap_h=yes
4475 fi
4476
4477 ##########################################
4478 # Do we have libiscsi >= 1.9.0
4479 if test "$libiscsi" != "no" ; then
4480   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4481     libiscsi="yes"
4482     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4483     libiscsi_libs=$($pkg_config --libs libiscsi)
4484   else
4485     if test "$libiscsi" = "yes" ; then
4486       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4487     fi
4488     libiscsi="no"
4489   fi
4490 fi
4491
4492 ##########################################
4493 # Do we need librt
4494 # uClibc provides 2 versions of clock_gettime(), one with realtime
4495 # support and one without. This means that the clock_gettime() don't
4496 # need -lrt. We still need it for timer_create() so we check for this
4497 # function in addition.
4498 cat > $TMPC <<EOF
4499 #include <signal.h>
4500 #include <time.h>
4501 int main(void) {
4502   timer_create(CLOCK_REALTIME, NULL, NULL);
4503   return clock_gettime(CLOCK_REALTIME, NULL);
4504 }
4505 EOF
4506
4507 if compile_prog "" "" ; then
4508   :
4509 # we need pthread for static linking. use previous pthread test result
4510 elif compile_prog "" "$pthread_lib -lrt" ; then
4511   LIBS="$LIBS -lrt"
4512 fi
4513
4514 # Check whether we have openpty() in either libc or libutil
4515 cat > $TMPC << EOF
4516 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4517 int main(void) { return openpty(0, 0, 0, 0, 0); }
4518 EOF
4519
4520 have_openpty="no"
4521 if compile_prog "" "" ; then
4522   have_openpty="yes"
4523 else
4524   if compile_prog "" "-lutil" ; then
4525     have_openpty="yes"
4526   fi
4527 fi
4528
4529 ##########################################
4530 # spice probe
4531 if test "$spice" != "no" ; then
4532   cat > $TMPC << EOF
4533 #include <spice.h>
4534 int main(void) { spice_server_new(); return 0; }
4535 EOF
4536   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4537   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4538   if $pkg_config --atleast-version=0.12.5 spice-server && \
4539      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4540      compile_prog "$spice_cflags" "$spice_libs" ; then
4541     spice="yes"
4542   else
4543     if test "$spice" = "yes" ; then
4544       feature_not_found "spice" \
4545           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4546     fi
4547     spice="no"
4548   fi
4549 fi
4550
4551 # check for smartcard support
4552 if test "$smartcard" != "no"; then
4553     if $pkg_config --atleast-version=2.5.1 libcacard; then
4554         libcacard_cflags=$($pkg_config --cflags libcacard)
4555         libcacard_libs=$($pkg_config --libs libcacard)
4556         smartcard="yes"
4557     else
4558         if test "$smartcard" = "yes"; then
4559             feature_not_found "smartcard" "Install libcacard devel"
4560         fi
4561         smartcard="no"
4562     fi
4563 fi
4564
4565 # check for libusb
4566 if test "$libusb" != "no" ; then
4567     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4568         libusb="yes"
4569         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4570         libusb_libs=$($pkg_config --libs libusb-1.0)
4571     else
4572         if test "$libusb" = "yes"; then
4573             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4574         fi
4575         libusb="no"
4576     fi
4577 fi
4578
4579 # check for usbredirparser for usb network redirection support
4580 if test "$usb_redir" != "no" ; then
4581     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4582         usb_redir="yes"
4583         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4584         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4585     else
4586         if test "$usb_redir" = "yes"; then
4587             feature_not_found "usb-redir" "Install usbredir devel"
4588         fi
4589         usb_redir="no"
4590     fi
4591 fi
4592
4593 ##########################################
4594 # check if we have VSS SDK headers for win
4595
4596 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4597         test "$vss_win32_sdk" != "no" ; then
4598   case "$vss_win32_sdk" in
4599     "")   vss_win32_include="-isystem $source_path" ;;
4600     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4601           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4602           vss_win32_include="-isystem $source_path/.sdk/vss"
4603           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4604           ;;
4605     *)    vss_win32_include="-isystem $vss_win32_sdk"
4606   esac
4607   cat > $TMPC << EOF
4608 #define __MIDL_user_allocate_free_DEFINED__
4609 #include <inc/win2003/vss.h>
4610 int main(void) { return VSS_CTX_BACKUP; }
4611 EOF
4612   if compile_prog "$vss_win32_include" "" ; then
4613     guest_agent_with_vss="yes"
4614     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4615     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4616     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4617   else
4618     if test "$vss_win32_sdk" != "" ; then
4619       echo "ERROR: Please download and install Microsoft VSS SDK:"
4620       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4621       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4622       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4623       echo "ERROR: The headers are extracted in the directory \`inc'."
4624       feature_not_found "VSS support"
4625     fi
4626     guest_agent_with_vss="no"
4627   fi
4628 fi
4629
4630 ##########################################
4631 # lookup Windows platform SDK (if not specified)
4632 # The SDK is needed only to build .tlb (type library) file of guest agent
4633 # VSS provider from the source. It is usually unnecessary because the
4634 # pre-compiled .tlb file is included.
4635
4636 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4637         test "$guest_agent_with_vss" = "yes" ; then
4638   if test -z "$win_sdk"; then
4639     programfiles="$PROGRAMFILES"
4640     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4641     if test -n "$programfiles"; then
4642       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4643     else
4644       feature_not_found "Windows SDK"
4645     fi
4646   elif test "$win_sdk" = "no"; then
4647     win_sdk=""
4648   fi
4649 fi
4650
4651 ##########################################
4652 # check if mingw environment provides a recent ntddscsi.h
4653 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4654   cat > $TMPC << EOF
4655 #include <windows.h>
4656 #include <ntddscsi.h>
4657 int main(void) {
4658 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4659 #error Missing required ioctl definitions
4660 #endif
4661   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4662   return addr.Lun;
4663 }
4664 EOF
4665   if compile_prog "" "" ; then
4666     guest_agent_ntddscsi=yes
4667     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
4668   fi
4669 fi
4670
4671 ##########################################
4672 # virgl renderer probe
4673
4674 if test "$virglrenderer" != "no" ; then
4675   cat > $TMPC << EOF
4676 #include <virglrenderer.h>
4677 int main(void) { virgl_renderer_poll(); return 0; }
4678 EOF
4679   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4680   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4681   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
4682   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4683      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4684     virglrenderer="yes"
4685   else
4686     if test "$virglrenderer" = "yes" ; then
4687       feature_not_found "virglrenderer"
4688     fi
4689     virglrenderer="no"
4690   fi
4691 fi
4692
4693 ##########################################
4694 # capstone
4695
4696 case "$capstone" in
4697   auto | enabled | internal)
4698     # Simpler to always update submodule, even if not needed.
4699     if test -e "${source_path}/.git" && test $git_update = 'yes' ; then
4700       git_submodules="${git_submodules} capstone"
4701     fi
4702     ;;
4703 esac
4704
4705 ##########################################
4706 # check if we have fdatasync
4707
4708 fdatasync=no
4709 cat > $TMPC << EOF
4710 #include <unistd.h>
4711 int main(void) {
4712 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4713 return fdatasync(0);
4714 #else
4715 #error Not supported
4716 #endif
4717 }
4718 EOF
4719 if compile_prog "" "" ; then
4720     fdatasync=yes
4721 fi
4722
4723 ##########################################
4724 # check if we have madvise
4725
4726 madvise=no
4727 cat > $TMPC << EOF
4728 #include <sys/types.h>
4729 #include <sys/mman.h>
4730 #include <stddef.h>
4731 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4732 EOF
4733 if compile_prog "" "" ; then
4734     madvise=yes
4735 fi
4736
4737 ##########################################
4738 # check if we have posix_madvise
4739
4740 posix_madvise=no
4741 cat > $TMPC << EOF
4742 #include <sys/mman.h>
4743 #include <stddef.h>
4744 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4745 EOF
4746 if compile_prog "" "" ; then
4747     posix_madvise=yes
4748 fi
4749
4750 ##########################################
4751 # check if we have posix_memalign()
4752
4753 posix_memalign=no
4754 cat > $TMPC << EOF
4755 #include <stdlib.h>
4756 int main(void) {
4757     void *p;
4758     return posix_memalign(&p, 8, 8);
4759 }
4760 EOF
4761 if compile_prog "" "" ; then
4762     posix_memalign=yes
4763 fi
4764
4765 ##########################################
4766 # check if we have posix_syslog
4767
4768 posix_syslog=no
4769 cat > $TMPC << EOF
4770 #include <syslog.h>
4771 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4772 EOF
4773 if compile_prog "" "" ; then
4774     posix_syslog=yes
4775 fi
4776
4777 ##########################################
4778 # check if we have sem_timedwait
4779
4780 sem_timedwait=no
4781 cat > $TMPC << EOF
4782 #include <semaphore.h>
4783 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
4784 EOF
4785 if compile_prog "" "" ; then
4786     sem_timedwait=yes
4787 fi
4788
4789 ##########################################
4790 # check if we have strchrnul
4791
4792 strchrnul=no
4793 cat > $TMPC << EOF
4794 #include <string.h>
4795 int main(void);
4796 // Use a haystack that the compiler shouldn't be able to constant fold
4797 char *haystack = (char*)&main;
4798 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
4799 EOF
4800 if compile_prog "" "" ; then
4801     strchrnul=yes
4802 fi
4803
4804 #########################################
4805 # check if we have st_atim
4806
4807 st_atim=no
4808 cat > $TMPC << EOF
4809 #include <sys/stat.h>
4810 #include <stddef.h>
4811 int main(void) { return offsetof(struct stat, st_atim); }
4812 EOF
4813 if compile_prog "" "" ; then
4814     st_atim=yes
4815 fi
4816
4817 ##########################################
4818 # check if trace backend exists
4819
4820 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4821 if test "$?" -ne 0 ; then
4822   error_exit "invalid trace backends" \
4823       "Please choose supported trace backends."
4824 fi
4825
4826 ##########################################
4827 # For 'ust' backend, test if ust headers are present
4828 if have_backend "ust"; then
4829   cat > $TMPC << EOF
4830 #include <lttng/tracepoint.h>
4831 int main(void) { return 0; }
4832 EOF
4833   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4834     if $pkg_config lttng-ust --exists; then
4835       lttng_ust_libs=$($pkg_config --libs lttng-ust)
4836     else
4837       lttng_ust_libs="-llttng-ust -ldl"
4838     fi
4839     if $pkg_config liburcu-bp --exists; then
4840       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4841     else
4842       urcu_bp_libs="-lurcu-bp"
4843     fi
4844   else
4845     error_exit "Trace backend 'ust' missing lttng-ust header files"
4846   fi
4847 fi
4848
4849 ##########################################
4850 # For 'dtrace' backend, test if 'dtrace' command is present
4851 if have_backend "dtrace"; then
4852   if ! has 'dtrace' ; then
4853     error_exit "dtrace command is not found in PATH $PATH"
4854   fi
4855   trace_backend_stap="no"
4856   if has 'stap' ; then
4857     trace_backend_stap="yes"
4858
4859     # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
4860     # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
4861     # instead. QEMU --enable-modules depends on this because the SystemTap
4862     # semaphores are linked into the main binary and not the module's shared
4863     # object.
4864     QEMU_CFLAGS="$QEMU_CFLAGS -DSTAP_SDT_V2"
4865   fi
4866 fi
4867
4868 ##########################################
4869 # check and set a backend for coroutine
4870
4871 # We prefer ucontext, but it's not always possible. The fallback
4872 # is sigcontext. On Windows the only valid backend is the Windows
4873 # specific one.
4874
4875 ucontext_works=no
4876 if test "$darwin" != "yes"; then
4877   cat > $TMPC << EOF
4878 #include <ucontext.h>
4879 #ifdef __stub_makecontext
4880 #error Ignoring glibc stub makecontext which will always fail
4881 #endif
4882 int main(void) { makecontext(0, 0, 0); return 0; }
4883 EOF
4884   if compile_prog "" "" ; then
4885     ucontext_works=yes
4886   fi
4887 fi
4888
4889 if test "$coroutine" = ""; then
4890   if test "$mingw32" = "yes"; then
4891     coroutine=win32
4892   elif test "$ucontext_works" = "yes"; then
4893     coroutine=ucontext
4894   else
4895     coroutine=sigaltstack
4896   fi
4897 else
4898   case $coroutine in
4899   windows)
4900     if test "$mingw32" != "yes"; then
4901       error_exit "'windows' coroutine backend only valid for Windows"
4902     fi
4903     # Unfortunately the user visible backend name doesn't match the
4904     # coroutine-*.c filename for this case, so we have to adjust it here.
4905     coroutine=win32
4906     ;;
4907   ucontext)
4908     if test "$ucontext_works" != "yes"; then
4909       feature_not_found "ucontext"
4910     fi
4911     ;;
4912   sigaltstack)
4913     if test "$mingw32" = "yes"; then
4914       error_exit "only the 'windows' coroutine backend is valid for Windows"
4915     fi
4916     ;;
4917   *)
4918     error_exit "unknown coroutine backend $coroutine"
4919     ;;
4920   esac
4921 fi
4922
4923 if test "$coroutine_pool" = ""; then
4924   if test "$coroutine" = "gthread" -o "$coroutine" = "win32"; then
4925     coroutine_pool=no
4926   else
4927     coroutine_pool=yes
4928   fi
4929 fi
4930 if test "$coroutine" = "gthread" -a "$coroutine_pool" = "yes"; then
4931   error_exit "'gthread' coroutine backend does not support pool (use --disable-coroutine-pool)"
4932 fi
4933
4934 if test "$debug_stack_usage" = "yes"; then
4935   if test "$coroutine_pool" = "yes"; then
4936     echo "WARN: disabling coroutine pool for stack usage debugging"
4937     coroutine_pool=no
4938   fi
4939 fi
4940
4941 ##################################################
4942 # SafeStack
4943
4944
4945 if test "$safe_stack" = "yes"; then
4946 cat > $TMPC << EOF
4947 int main(int argc, char *argv[])
4948 {
4949 #if ! __has_feature(safe_stack)
4950 #error SafeStack Disabled
4951 #endif
4952     return 0;
4953 }
4954 EOF
4955   flag="-fsanitize=safe-stack"
4956   # Check that safe-stack is supported and enabled.
4957   if compile_prog "-Werror $flag" "$flag"; then
4958     # Flag needed both at compilation and at linking
4959     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
4960     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
4961   else
4962     error_exit "SafeStack not supported by your compiler"
4963   fi
4964   if test "$coroutine" != "ucontext"; then
4965     error_exit "SafeStack is only supported by the coroutine backend ucontext"
4966   fi
4967 else
4968 cat > $TMPC << EOF
4969 int main(int argc, char *argv[])
4970 {
4971 #if defined(__has_feature)
4972 #if __has_feature(safe_stack)
4973 #error SafeStack Enabled
4974 #endif
4975 #endif
4976     return 0;
4977 }
4978 EOF
4979 if test "$safe_stack" = "no"; then
4980   # Make sure that safe-stack is disabled
4981   if ! compile_prog "-Werror" ""; then
4982     # SafeStack was already enabled, try to explicitly remove the feature
4983     flag="-fno-sanitize=safe-stack"
4984     if ! compile_prog "-Werror $flag" "$flag"; then
4985       error_exit "Configure cannot disable SafeStack"
4986     fi
4987     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
4988     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
4989   fi
4990 else # "$safe_stack" = ""
4991   # Set safe_stack to yes or no based on pre-existing flags
4992   if compile_prog "-Werror" ""; then
4993     safe_stack="no"
4994   else
4995     safe_stack="yes"
4996     if test "$coroutine" != "ucontext"; then
4997       error_exit "SafeStack is only supported by the coroutine backend ucontext"
4998     fi
4999   fi
5000 fi
5001 fi
5002
5003 ##########################################
5004 # check if we have open_by_handle_at
5005
5006 open_by_handle_at=no
5007 cat > $TMPC << EOF
5008 #include <fcntl.h>
5009 #if !defined(AT_EMPTY_PATH)
5010 # error missing definition
5011 #else
5012 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5013 #endif
5014 EOF
5015 if compile_prog "" "" ; then
5016     open_by_handle_at=yes
5017 fi
5018
5019 ########################################
5020 # check if we have linux/magic.h
5021
5022 linux_magic_h=no
5023 cat > $TMPC << EOF
5024 #include <linux/magic.h>
5025 int main(void) {
5026   return 0;
5027 }
5028 EOF
5029 if compile_prog "" "" ; then
5030     linux_magic_h=yes
5031 fi
5032
5033 ########################################
5034 # check if we have valgrind/valgrind.h
5035
5036 valgrind_h=no
5037 cat > $TMPC << EOF
5038 #include <valgrind/valgrind.h>
5039 int main(void) {
5040   return 0;
5041 }
5042 EOF
5043 if compile_prog "" "" ; then
5044     valgrind_h=yes
5045 fi
5046
5047 ########################################
5048 # check if environ is declared
5049
5050 has_environ=no
5051 cat > $TMPC << EOF
5052 #include <unistd.h>
5053 int main(void) {
5054     environ = 0;
5055     return 0;
5056 }
5057 EOF
5058 if compile_prog "" "" ; then
5059     has_environ=yes
5060 fi
5061
5062 ########################################
5063 # check if cpuid.h is usable.
5064
5065 cat > $TMPC << EOF
5066 #include <cpuid.h>
5067 int main(void) {
5068     unsigned a, b, c, d;
5069     int max = __get_cpuid_max(0, 0);
5070
5071     if (max >= 1) {
5072         __cpuid(1, a, b, c, d);
5073     }
5074
5075     if (max >= 7) {
5076         __cpuid_count(7, 0, a, b, c, d);
5077     }
5078
5079     return 0;
5080 }
5081 EOF
5082 if compile_prog "" "" ; then
5083     cpuid_h=yes
5084 fi
5085
5086 ##########################################
5087 # avx2 optimization requirement check
5088 #
5089 # There is no point enabling this if cpuid.h is not usable,
5090 # since we won't be able to select the new routines.
5091
5092 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5093   cat > $TMPC << EOF
5094 #pragma GCC push_options
5095 #pragma GCC target("avx2")
5096 #include <cpuid.h>
5097 #include <immintrin.h>
5098 static int bar(void *a) {
5099     __m256i x = *(__m256i *)a;
5100     return _mm256_testz_si256(x, x);
5101 }
5102 int main(int argc, char *argv[]) { return bar(argv[0]); }
5103 EOF
5104   if compile_object "" ; then
5105     avx2_opt="yes"
5106   else
5107     avx2_opt="no"
5108   fi
5109 fi
5110
5111 ##########################################
5112 # avx512f optimization requirement check
5113 #
5114 # There is no point enabling this if cpuid.h is not usable,
5115 # since we won't be able to select the new routines.
5116 # by default, it is turned off.
5117 # if user explicitly want to enable it, check environment
5118
5119 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5120   cat > $TMPC << EOF
5121 #pragma GCC push_options
5122 #pragma GCC target("avx512f")
5123 #include <cpuid.h>
5124 #include <immintrin.h>
5125 static int bar(void *a) {
5126     __m512i x = *(__m512i *)a;
5127     return _mm512_test_epi64_mask(x, x);
5128 }
5129 int main(int argc, char *argv[])
5130 {
5131         return bar(argv[0]);
5132 }
5133 EOF
5134   if ! compile_object "" ; then
5135     avx512f_opt="no"
5136   fi
5137 else
5138   avx512f_opt="no"
5139 fi
5140
5141 ########################################
5142 # check if __[u]int128_t is usable.
5143
5144 int128=no
5145 cat > $TMPC << EOF
5146 __int128_t a;
5147 __uint128_t b;
5148 int main (void) {
5149   a = a + b;
5150   b = a * b;
5151   a = a * a;
5152   return 0;
5153 }
5154 EOF
5155 if compile_prog "" "" ; then
5156     int128=yes
5157 fi
5158
5159 #########################################
5160 # See if 128-bit atomic operations are supported.
5161
5162 atomic128=no
5163 if test "$int128" = "yes"; then
5164   cat > $TMPC << EOF
5165 int main(void)
5166 {
5167   unsigned __int128 x = 0, y = 0;
5168   y = __atomic_load_16(&x, 0);
5169   __atomic_store_16(&x, y, 0);
5170   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5171   return 0;
5172 }
5173 EOF
5174   if compile_prog "" "" ; then
5175     atomic128=yes
5176   fi
5177 fi
5178
5179 cmpxchg128=no
5180 if test "$int128" = yes && test "$atomic128" = no; then
5181   cat > $TMPC << EOF
5182 int main(void)
5183 {
5184   unsigned __int128 x = 0, y = 0;
5185   __sync_val_compare_and_swap_16(&x, y, x);
5186   return 0;
5187 }
5188 EOF
5189   if compile_prog "" "" ; then
5190     cmpxchg128=yes
5191   fi
5192 fi
5193
5194 #########################################
5195 # See if 64-bit atomic operations are supported.
5196 # Note that without __atomic builtins, we can only
5197 # assume atomic loads/stores max at pointer size.
5198
5199 cat > $TMPC << EOF
5200 #include <stdint.h>
5201 int main(void)
5202 {
5203   uint64_t x = 0, y = 0;
5204 #ifdef __ATOMIC_RELAXED
5205   y = __atomic_load_n(&x, __ATOMIC_RELAXED);
5206   __atomic_store_n(&x, y, __ATOMIC_RELAXED);
5207   __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
5208   __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
5209   __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
5210 #else
5211   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5212   __sync_lock_test_and_set(&x, y);
5213   __sync_val_compare_and_swap(&x, y, 0);
5214   __sync_fetch_and_add(&x, y);
5215 #endif
5216   return 0;
5217 }
5218 EOF
5219 if compile_prog "" "" ; then
5220   atomic64=yes
5221 fi
5222
5223 #########################################
5224 # See if --dynamic-list is supported by the linker
5225 ld_dynamic_list="no"
5226 if test "$static" = "no" ; then
5227     cat > $TMPTXT <<EOF
5228 {
5229   foo;
5230 };
5231 EOF
5232
5233     cat > $TMPC <<EOF
5234 #include <stdio.h>
5235 void foo(void);
5236
5237 void foo(void)
5238 {
5239   printf("foo\n");
5240 }
5241
5242 int main(void)
5243 {
5244   foo();
5245   return 0;
5246 }
5247 EOF
5248
5249     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5250         ld_dynamic_list="yes"
5251     fi
5252 fi
5253
5254 #########################################
5255 # See if -exported_symbols_list is supported by the linker
5256
5257 ld_exported_symbols_list="no"
5258 if test "$static" = "no" ; then
5259     cat > $TMPTXT <<EOF
5260   _foo
5261 EOF
5262
5263     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5264         ld_exported_symbols_list="yes"
5265     fi
5266 fi
5267
5268 if  test "$plugins" = "yes" &&
5269     test "$ld_dynamic_list" = "no" &&
5270     test "$ld_exported_symbols_list" = "no" ; then
5271   error_exit \
5272       "Plugin support requires dynamic linking and specifying a set of symbols " \
5273       "that are exported to plugins. Unfortunately your linker doesn't " \
5274       "support the flag (--dynamic-list or -exported_symbols_list) used " \
5275       "for this purpose. You can't build with --static."
5276 fi
5277
5278 ########################################
5279 # See if __attribute__((alias)) is supported.
5280 # This false for Xcode 9, but has been remedied for Xcode 10.
5281 # Unfortunately, travis uses Xcode 9 by default.
5282
5283 attralias=no
5284 cat > $TMPC << EOF
5285 int x = 1;
5286 extern const int y __attribute__((alias("x")));
5287 int main(void) { return 0; }
5288 EOF
5289 if compile_prog "" "" ; then
5290     attralias=yes
5291 fi
5292
5293 ########################################
5294 # check if getauxval is available.
5295
5296 getauxval=no
5297 cat > $TMPC << EOF
5298 #include <sys/auxv.h>
5299 int main(void) {
5300   return getauxval(AT_HWCAP) == 0;
5301 }
5302 EOF
5303 if compile_prog "" "" ; then
5304     getauxval=yes
5305 fi
5306
5307 ########################################
5308 # check if ccache is interfering with
5309 # semantic analysis of macros
5310
5311 unset CCACHE_CPP2
5312 ccache_cpp2=no
5313 cat > $TMPC << EOF
5314 static const int Z = 1;
5315 #define fn() ({ Z; })
5316 #define TAUT(X) ((X) == Z)
5317 #define PAREN(X, Y) (X == Y)
5318 #define ID(X) (X)
5319 int main(int argc, char *argv[])
5320 {
5321     int x = 0, y = 0;
5322     x = ID(x);
5323     x = fn();
5324     fn();
5325     if (PAREN(x, y)) return 0;
5326     if (TAUT(Z)) return 0;
5327     return 0;
5328 }
5329 EOF
5330
5331 if ! compile_object "-Werror"; then
5332     ccache_cpp2=yes
5333 fi
5334
5335 #################################################
5336 # clang does not support glibc + FORTIFY_SOURCE.
5337
5338 if test "$fortify_source" != "no"; then
5339   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5340     fortify_source="no";
5341   elif test -n "$cxx" && has $cxx &&
5342        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5343     fortify_source="no";
5344   else
5345     fortify_source="yes"
5346   fi
5347 fi
5348
5349 ###############################################
5350 # Check if copy_file_range is provided by glibc
5351 have_copy_file_range=no
5352 cat > $TMPC << EOF
5353 #include <unistd.h>
5354 int main(void) {
5355   copy_file_range(0, NULL, 0, NULL, 0, 0);
5356   return 0;
5357 }
5358 EOF
5359 if compile_prog "" "" ; then
5360     have_copy_file_range=yes
5361 fi
5362
5363 ##########################################
5364 # check if struct fsxattr is available via linux/fs.h
5365
5366 have_fsxattr=no
5367 cat > $TMPC << EOF
5368 #include <linux/fs.h>
5369 struct fsxattr foo;
5370 int main(void) {
5371   return 0;
5372 }
5373 EOF
5374 if compile_prog "" "" ; then
5375     have_fsxattr=yes
5376 fi
5377
5378 ##########################################
5379 # check for usable membarrier system call
5380 if test "$membarrier" = "yes"; then
5381     have_membarrier=no
5382     if test "$mingw32" = "yes" ; then
5383         have_membarrier=yes
5384     elif test "$linux" = "yes" ; then
5385         cat > $TMPC << EOF
5386     #include <linux/membarrier.h>
5387     #include <sys/syscall.h>
5388     #include <unistd.h>
5389     #include <stdlib.h>
5390     int main(void) {
5391         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5392         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5393         exit(0);
5394     }
5395 EOF
5396         if compile_prog "" "" ; then
5397             have_membarrier=yes
5398         fi
5399     fi
5400     if test "$have_membarrier" = "no"; then
5401       feature_not_found "membarrier" "membarrier system call not available"
5402     fi
5403 else
5404     # Do not enable it by default even for Mingw32, because it doesn't
5405     # work on Wine.
5406     membarrier=no
5407 fi
5408
5409 ##########################################
5410 # check if rtnetlink.h exists and is useful
5411 have_rtnetlink=no
5412 cat > $TMPC << EOF
5413 #include <linux/rtnetlink.h>
5414 int main(void) {
5415   return IFLA_PROTO_DOWN;
5416 }
5417 EOF
5418 if compile_prog "" "" ; then
5419     have_rtnetlink=yes
5420 fi
5421
5422 ##########################################
5423 # check for usable AF_VSOCK environment
5424 have_af_vsock=no
5425 cat > $TMPC << EOF
5426 #include <errno.h>
5427 #include <sys/types.h>
5428 #include <sys/socket.h>
5429 #if !defined(AF_VSOCK)
5430 # error missing AF_VSOCK flag
5431 #endif
5432 #include <linux/vm_sockets.h>
5433 int main(void) {
5434     int sock, ret;
5435     struct sockaddr_vm svm;
5436     socklen_t len = sizeof(svm);
5437     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5438     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5439     if ((ret == -1) && (errno == ENOTCONN)) {
5440         return 0;
5441     }
5442     return -1;
5443 }
5444 EOF
5445 if compile_prog "" "" ; then
5446     have_af_vsock=yes
5447 fi
5448
5449 ##########################################
5450 # check for usable AF_ALG environment
5451 have_afalg=no
5452 cat > $TMPC << EOF
5453 #include <errno.h>
5454 #include <sys/types.h>
5455 #include <sys/socket.h>
5456 #include <linux/if_alg.h>
5457 int main(void) {
5458     int sock;
5459     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5460     return sock;
5461 }
5462 EOF
5463 if compile_prog "" "" ; then
5464     have_afalg=yes
5465 fi
5466 if test "$crypto_afalg" = "yes"
5467 then
5468     if test "$have_afalg" != "yes"
5469     then
5470         error_exit "AF_ALG requested but could not be detected"
5471     fi
5472 fi
5473
5474
5475 #################################################
5476 # check for sysmacros.h
5477
5478 have_sysmacros=no
5479 cat > $TMPC << EOF
5480 #include <sys/sysmacros.h>
5481 int main(void) {
5482     return makedev(0, 0);
5483 }
5484 EOF
5485 if compile_prog "" "" ; then
5486     have_sysmacros=yes
5487 fi
5488
5489 ##########################################
5490 # check for _Static_assert()
5491
5492 have_static_assert=no
5493 cat > $TMPC << EOF
5494 _Static_assert(1, "success");
5495 int main(void) {
5496     return 0;
5497 }
5498 EOF
5499 if compile_prog "" "" ; then
5500     have_static_assert=yes
5501 fi
5502
5503 ##########################################
5504 # check for utmpx.h, it is missing e.g. on OpenBSD
5505
5506 have_utmpx=no
5507 cat > $TMPC << EOF
5508 #include <utmpx.h>
5509 struct utmpx user_info;
5510 int main(void) {
5511     return 0;
5512 }
5513 EOF
5514 if compile_prog "" "" ; then
5515     have_utmpx=yes
5516 fi
5517
5518 ##########################################
5519 # check for getrandom()
5520
5521 have_getrandom=no
5522 cat > $TMPC << EOF
5523 #include <sys/random.h>
5524 int main(void) {
5525     return getrandom(0, 0, GRND_NONBLOCK);
5526 }
5527 EOF
5528 if compile_prog "" "" ; then
5529     have_getrandom=yes
5530 fi
5531
5532 ##########################################
5533 # checks for sanitizers
5534
5535 have_asan=no
5536 have_ubsan=no
5537 have_asan_iface_h=no
5538 have_asan_iface_fiber=no
5539
5540 if test "$sanitizers" = "yes" ; then
5541   write_c_skeleton
5542   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5543       have_asan=yes
5544   fi
5545
5546   # we could use a simple skeleton for flags checks, but this also
5547   # detect the static linking issue of ubsan, see also:
5548   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5549   cat > $TMPC << EOF
5550 #include <stdlib.h>
5551 int main(void) {
5552     void *tmp = malloc(10);
5553     if (tmp != NULL) {
5554         return *(int *)(tmp + 2);
5555     }
5556     return 1;
5557 }
5558 EOF
5559   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5560       have_ubsan=yes
5561   fi
5562
5563   if check_include "sanitizer/asan_interface.h" ; then
5564       have_asan_iface_h=yes
5565   fi
5566
5567   cat > $TMPC << EOF
5568 #include <sanitizer/asan_interface.h>
5569 int main(void) {
5570   __sanitizer_start_switch_fiber(0, 0, 0);
5571   return 0;
5572 }
5573 EOF
5574   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5575       have_asan_iface_fiber=yes
5576   fi
5577 fi
5578
5579 ##########################################
5580 # checks for fuzzer
5581 if test "$fuzzing" = "yes" && test -z "${LIB_FUZZING_ENGINE+xxx}"; then
5582   write_c_fuzzer_skeleton
5583   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
5584     have_fuzzer=yes
5585   else
5586     error_exit "Your compiler doesn't support -fsanitize=fuzzer"
5587     exit 1
5588   fi
5589 fi
5590
5591 # Thread sanitizer is, for now, much noisier than the other sanitizers;
5592 # keep it separate until that is not the case.
5593 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
5594   error_exit "TSAN is not supported with other sanitiziers."
5595 fi
5596 have_tsan=no
5597 have_tsan_iface_fiber=no
5598 if test "$tsan" = "yes" ; then
5599   write_c_skeleton
5600   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
5601       have_tsan=yes
5602   fi
5603   cat > $TMPC << EOF
5604 #include <sanitizer/tsan_interface.h>
5605 int main(void) {
5606   __tsan_create_fiber(0);
5607   return 0;
5608 }
5609 EOF
5610   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
5611       have_tsan_iface_fiber=yes
5612   fi
5613 fi
5614
5615 ##########################################
5616 # check for libpmem
5617
5618 if test "$libpmem" != "no"; then
5619         if $pkg_config --exists "libpmem"; then
5620                 libpmem="yes"
5621                 libpmem_libs=$($pkg_config --libs libpmem)
5622                 libpmem_cflags=$($pkg_config --cflags libpmem)
5623         else
5624                 if test "$libpmem" = "yes" ; then
5625                         feature_not_found "libpmem" "Install nvml or pmdk"
5626                 fi
5627                 libpmem="no"
5628         fi
5629 fi
5630
5631 ##########################################
5632 # check for libdaxctl
5633
5634 if test "$libdaxctl" != "no"; then
5635         if $pkg_config --atleast-version=57 "libdaxctl"; then
5636                 libdaxctl="yes"
5637                 libdaxctl_libs=$($pkg_config --libs libdaxctl)
5638                 libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
5639         else
5640                 if test "$libdaxctl" = "yes" ; then
5641                         feature_not_found "libdaxctl" "Install libdaxctl"
5642                 fi
5643                 libdaxctl="no"
5644         fi
5645 fi
5646
5647 ##########################################
5648 # check for slirp
5649
5650 case "$slirp" in
5651   auto | enabled | internal)
5652     # Simpler to always update submodule, even if not needed.
5653     if test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5654       git_submodules="${git_submodules} slirp"
5655     fi
5656     ;;
5657 esac
5658
5659 ##########################################
5660 # check for usable __NR_keyctl syscall
5661
5662 if test "$linux" = "yes" ; then
5663
5664     have_keyring=no
5665     cat > $TMPC << EOF
5666 #include <errno.h>
5667 #include <asm/unistd.h>
5668 #include <linux/keyctl.h>
5669 #include <unistd.h>
5670 int main(void) {
5671     return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
5672 }
5673 EOF
5674     if compile_prog "" "" ; then
5675         have_keyring=yes
5676     fi
5677 fi
5678 if test "$secret_keyring" != "no"
5679 then
5680     if test "$have_keyring" = "yes"
5681     then
5682         secret_keyring=yes
5683     else
5684         if test "$secret_keyring" = "yes"
5685         then
5686             error_exit "syscall __NR_keyctl requested, \
5687 but not implemented on your system"
5688         else
5689             secret_keyring=no
5690         fi
5691     fi
5692 fi
5693
5694 ##########################################
5695 # End of CC checks
5696 # After here, no more $cc or $ld runs
5697
5698 write_c_skeleton
5699
5700 if test "$gcov" = "yes" ; then
5701   :
5702 elif test "$fortify_source" = "yes" ; then
5703   QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
5704   if test "$mingw32" = "yes" ; then
5705     QEMU_LDFLAGS="-fstack-protector $QEMU_LDFLAGS"
5706   fi
5707   debug=no
5708 fi
5709
5710 case "$ARCH" in
5711 alpha)
5712   # Ensure there's only a single GP
5713   QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
5714 ;;
5715 esac
5716
5717 if test "$gprof" = "yes" ; then
5718   QEMU_CFLAGS="-p $QEMU_CFLAGS"
5719   QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
5720 fi
5721
5722 if test "$have_asan" = "yes"; then
5723   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
5724   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
5725   if test "$have_asan_iface_h" = "no" ; then
5726       echo "ASAN build enabled, but ASAN header missing." \
5727            "Without code annotation, the report may be inferior."
5728   elif test "$have_asan_iface_fiber" = "no" ; then
5729       echo "ASAN build enabled, but ASAN header is too old." \
5730            "Without code annotation, the report may be inferior."
5731   fi
5732 fi
5733 if test "$have_tsan" = "yes" ; then
5734   if test "$have_tsan_iface_fiber" = "yes" ; then
5735     QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
5736     QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
5737   else
5738     error_exit "Cannot enable TSAN due to missing fiber annotation interface."
5739   fi
5740 elif test "$tsan" = "yes" ; then
5741   error_exit "Cannot enable TSAN due to missing sanitize thread interface."
5742 fi
5743 if test "$have_ubsan" = "yes"; then
5744   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
5745   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
5746 fi
5747
5748 ##########################################
5749 # Do we have libnfs
5750 if test "$libnfs" != "no" ; then
5751   if $pkg_config --atleast-version=1.9.3 libnfs; then
5752     libnfs="yes"
5753     libnfs_libs=$($pkg_config --libs libnfs)
5754   else
5755     if test "$libnfs" = "yes" ; then
5756       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5757     fi
5758     libnfs="no"
5759   fi
5760 fi
5761
5762 ##########################################
5763
5764 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
5765 if test "$solaris" = "no" && test "$tsan" = "no"; then
5766     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5767         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
5768     fi
5769 fi
5770
5771 # Use ASLR, no-SEH and DEP if available
5772 if test "$mingw32" = "yes" ; then
5773     flags="--no-seh --nxcompat"
5774
5775     # Disable ASLR for debug builds to allow debugging with gdb
5776     if test "$debug" = "no" ; then
5777         flags="--dynamicbase $flags"
5778     fi
5779
5780     for flag in $flags; do
5781         if ld_has $flag ; then
5782             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
5783         fi
5784     done
5785 fi
5786
5787 # We can only support ivshmem if we have eventfd
5788 if [ "$eventfd" = "yes" ]; then
5789   ivshmem=yes
5790 fi
5791
5792 if test "$softmmu" = yes ; then
5793   if test "$linux" = yes; then
5794     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
5795       virtfs=yes
5796     else
5797       if test "$virtfs" = yes; then
5798         error_exit "VirtFS requires libcap-ng devel and libattr devel"
5799       fi
5800       virtfs=no
5801     fi
5802   else
5803     if test "$virtfs" = yes; then
5804       error_exit "VirtFS is supported only on Linux"
5805     fi
5806     virtfs=no
5807   fi
5808 fi
5809
5810 # Probe for guest agent support/options
5811
5812 if [ "$guest_agent" != "no" ]; then
5813   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
5814       guest_agent=no
5815   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5816       guest_agent=yes
5817   elif [ "$guest_agent" != yes ]; then
5818       guest_agent=no
5819   else
5820       error_exit "Guest agent is not supported on this platform"
5821   fi
5822 fi
5823
5824 # Guest agent Window MSI  package
5825
5826 if test "$guest_agent" != yes; then
5827   if test "$guest_agent_msi" = yes; then
5828     error_exit "MSI guest agent package requires guest agent enabled"
5829   fi
5830   guest_agent_msi=no
5831 elif test "$mingw32" != "yes"; then
5832   if test "$guest_agent_msi" = "yes"; then
5833     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5834   fi
5835   guest_agent_msi=no
5836 elif ! has wixl; then
5837   if test "$guest_agent_msi" = "yes"; then
5838     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5839   fi
5840   guest_agent_msi=no
5841 else
5842   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5843   # disabled explicitly
5844   if test "$guest_agent_msi" != "no"; then
5845     guest_agent_msi=yes
5846   fi
5847 fi
5848
5849 if test "$guest_agent_msi" = "yes"; then
5850   if test "$guest_agent_with_vss" = "yes"; then
5851     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5852   fi
5853
5854   if test "$QEMU_GA_MANUFACTURER" = ""; then
5855     QEMU_GA_MANUFACTURER=QEMU
5856   fi
5857
5858   if test "$QEMU_GA_DISTRO" = ""; then
5859     QEMU_GA_DISTRO=Linux
5860   fi
5861
5862   if test "$QEMU_GA_VERSION" = ""; then
5863       QEMU_GA_VERSION=$(cat $source_path/VERSION)
5864   fi
5865
5866   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5867
5868   case "$cpu" in
5869   x86_64)
5870     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5871     ;;
5872   i386)
5873     QEMU_GA_MSI_ARCH="-D Arch=32"
5874     ;;
5875   *)
5876     error_exit "CPU $cpu not supported for building installation package"
5877     ;;
5878   esac
5879 fi
5880
5881 # Mac OS X ships with a broken assembler
5882 roms=
5883 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
5884         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
5885         test "$targetos" != "Haiku" && test "$softmmu" = yes ; then
5886     # Different host OS linkers have different ideas about the name of the ELF
5887     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
5888     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
5889     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
5890         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5891             ld_i386_emulation="$emu"
5892             roms="optionrom"
5893             break
5894         fi
5895     done
5896 fi
5897
5898 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
5899 if test "$cpu" = "s390x" ; then
5900   write_c_skeleton
5901   if compile_prog "-march=z900" ""; then
5902     roms="$roms s390-ccw"
5903     # SLOF is required for building the s390-ccw firmware on s390x,
5904     # since it is using the libnet code from SLOF for network booting.
5905     if test -e "${source_path}/.git" ; then
5906       git_submodules="${git_submodules} roms/SLOF"
5907     fi
5908   fi
5909 fi
5910
5911 # Check that the C++ compiler exists and works with the C compiler.
5912 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to not miss any other that could be added.
5913 if has $cxx; then
5914     cat > $TMPC <<EOF
5915 int c_function(void);
5916 int main(void) { return c_function(); }
5917 EOF
5918
5919     compile_object
5920
5921     cat > $TMPCXX <<EOF
5922 extern "C" {
5923    int c_function(void);
5924 }
5925 int c_function(void) { return 42; }
5926 EOF
5927
5928     update_cxxflags
5929
5930     if do_cxx $CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
5931         # C++ compiler $cxx works ok with C compiler $cc
5932         :
5933     else
5934         echo "C++ compiler $cxx does not work with C compiler $cc"
5935         echo "Disabling C++ specific optional code"
5936         cxx=
5937     fi
5938 else
5939     echo "No C++ compiler available; disabling C++ specific optional code"
5940     cxx=
5941 fi
5942
5943 if test $git_update = 'yes' ; then
5944     (cd "${source_path}" && GIT="$git" "./scripts/git-submodule.sh" update "$git_submodules")
5945 fi
5946
5947 config_host_mak="config-host.mak"
5948
5949 echo "# Automatically generated by configure - do not modify" > $config_host_mak
5950 echo >> $config_host_mak
5951
5952 echo all: >> $config_host_mak
5953 echo "GIT=$git" >> $config_host_mak
5954 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
5955 echo "GIT_UPDATE=$git_update" >> $config_host_mak
5956
5957 echo "ARCH=$ARCH" >> $config_host_mak
5958
5959 if test "$default_devices" = "yes" ; then
5960   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
5961 else
5962   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
5963 fi
5964 if test "$debug_tcg" = "yes" ; then
5965   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
5966 fi
5967 if test "$strip_opt" = "yes" ; then
5968   echo "STRIP=${strip}" >> $config_host_mak
5969 fi
5970 if test "$bigendian" = "yes" ; then
5971   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
5972 fi
5973 if test "$mingw32" = "yes" ; then
5974   echo "CONFIG_WIN32=y" >> $config_host_mak
5975   rc_version=$(cat $source_path/VERSION)
5976   version_major=${rc_version%%.*}
5977   rc_version=${rc_version#*.}
5978   version_minor=${rc_version%%.*}
5979   rc_version=${rc_version#*.}
5980   version_subminor=${rc_version%%.*}
5981   version_micro=0
5982   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5983   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5984   if test "$guest_agent_with_vss" = "yes" ; then
5985     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
5986     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
5987     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
5988   fi
5989   if test "$guest_agent_ntddscsi" = "yes" ; then
5990     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
5991   fi
5992   if test "$guest_agent_msi" = "yes"; then
5993     echo "CONFIG_QGA_MSI=y" >> $config_host_mak
5994     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
5995     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
5996     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
5997     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
5998     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
5999     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6000   fi
6001 else
6002   echo "CONFIG_POSIX=y" >> $config_host_mak
6003 fi
6004
6005 if test "$linux" = "yes" ; then
6006   echo "CONFIG_LINUX=y" >> $config_host_mak
6007 fi
6008
6009 if test "$darwin" = "yes" ; then
6010   echo "CONFIG_DARWIN=y" >> $config_host_mak
6011 fi
6012
6013 if test "$solaris" = "yes" ; then
6014   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6015 fi
6016 if test "$haiku" = "yes" ; then
6017   echo "CONFIG_HAIKU=y" >> $config_host_mak
6018 fi
6019 if test "$static" = "yes" ; then
6020   echo "CONFIG_STATIC=y" >> $config_host_mak
6021 fi
6022 if test "$profiler" = "yes" ; then
6023   echo "CONFIG_PROFILER=y" >> $config_host_mak
6024 fi
6025 if test "$want_tools" = "yes" ; then
6026   echo "CONFIG_TOOLS=y" >> $config_host_mak
6027 fi
6028 if test "$guest_agent" = "yes" ; then
6029   echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
6030 fi
6031 echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6032 if test "$vde" = "yes" ; then
6033   echo "CONFIG_VDE=y" >> $config_host_mak
6034   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6035 fi
6036 if test "$netmap" = "yes" ; then
6037   echo "CONFIG_NETMAP=y" >> $config_host_mak
6038 fi
6039 if test "$l2tpv3" = "yes" ; then
6040   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6041 fi
6042 if test "$gprof" = "yes" ; then
6043   echo "CONFIG_GPROF=y" >> $config_host_mak
6044 fi
6045 if test "$cap_ng" = "yes" ; then
6046   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
6047   echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
6048 fi
6049 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6050 for drv in $audio_drv_list; do
6051     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6052     echo "$def=y" >> $config_host_mak
6053 done
6054 if test "$alsa" = "yes" ; then
6055     echo "CONFIG_ALSA=y" >> $config_host_mak
6056 fi
6057 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6058 echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak
6059 if test "$libpulse" = "yes" ; then
6060     echo "CONFIG_LIBPULSE=y" >> $config_host_mak
6061 fi
6062 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6063 echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak
6064 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6065 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6066 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6067 if test "$libjack" = "yes" ; then
6068     echo "CONFIG_LIBJACK=y" >> $config_host_mak
6069 fi
6070 echo "JACK_LIBS=$jack_libs" >> $config_host_mak
6071 if test "$audio_win_int" = "yes" ; then
6072   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6073 fi
6074 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6075 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6076 if test "$xfs" = "yes" ; then
6077   echo "CONFIG_XFS=y" >> $config_host_mak
6078 fi
6079 qemu_version=$(head $source_path/VERSION)
6080 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6081 echo "SRC_PATH=$source_path" >> $config_host_mak
6082 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6083 if test "$modules" = "yes"; then
6084   # $shacmd can generate a hash started with digit, which the compiler doesn't
6085   # like as an symbol. So prefix it with an underscore
6086   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6087   echo "CONFIG_MODULES=y" >> $config_host_mak
6088 fi
6089 if test "$module_upgrades" = "yes"; then
6090   echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
6091 fi
6092 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6093   echo "CONFIG_X11=y" >> $config_host_mak
6094   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6095   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6096 fi
6097 if test "$pipe2" = "yes" ; then
6098   echo "CONFIG_PIPE2=y" >> $config_host_mak
6099 fi
6100 if test "$accept4" = "yes" ; then
6101   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6102 fi
6103 if test "$splice" = "yes" ; then
6104   echo "CONFIG_SPLICE=y" >> $config_host_mak
6105 fi
6106 if test "$eventfd" = "yes" ; then
6107   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6108 fi
6109 if test "$memfd" = "yes" ; then
6110   echo "CONFIG_MEMFD=y" >> $config_host_mak
6111 fi
6112 if test "$have_usbfs" = "yes" ; then
6113   echo "CONFIG_USBFS=y" >> $config_host_mak
6114 fi
6115 if test "$fallocate" = "yes" ; then
6116   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6117 fi
6118 if test "$fallocate_punch_hole" = "yes" ; then
6119   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6120 fi
6121 if test "$fallocate_zero_range" = "yes" ; then
6122   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6123 fi
6124 if test "$posix_fallocate" = "yes" ; then
6125   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6126 fi
6127 if test "$sync_file_range" = "yes" ; then
6128   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6129 fi
6130 if test "$fiemap" = "yes" ; then
6131   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6132 fi
6133 if test "$dup3" = "yes" ; then
6134   echo "CONFIG_DUP3=y" >> $config_host_mak
6135 fi
6136 if test "$ppoll" = "yes" ; then
6137   echo "CONFIG_PPOLL=y" >> $config_host_mak
6138 fi
6139 if test "$prctl_pr_set_timerslack" = "yes" ; then
6140   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6141 fi
6142 if test "$epoll" = "yes" ; then
6143   echo "CONFIG_EPOLL=y" >> $config_host_mak
6144 fi
6145 if test "$epoll_create1" = "yes" ; then
6146   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6147 fi
6148 if test "$sendfile" = "yes" ; then
6149   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6150 fi
6151 if test "$timerfd" = "yes" ; then
6152   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6153 fi
6154 if test "$setns" = "yes" ; then
6155   echo "CONFIG_SETNS=y" >> $config_host_mak
6156 fi
6157 if test "$clock_adjtime" = "yes" ; then
6158   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6159 fi
6160 if test "$syncfs" = "yes" ; then
6161   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6162 fi
6163 if test "$kcov" = "yes" ; then
6164   echo "CONFIG_KCOV=y" >> $config_host_mak
6165 fi
6166 if test "$btrfs" = "yes" ; then
6167   echo "CONFIG_BTRFS=y" >> $config_host_mak
6168 fi
6169 if test "$inotify" = "yes" ; then
6170   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6171 fi
6172 if test "$inotify1" = "yes" ; then
6173   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6174 fi
6175 if test "$sem_timedwait" = "yes" ; then
6176   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6177 fi
6178 if test "$strchrnul" = "yes" ; then
6179   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6180 fi
6181 if test "$st_atim" = "yes" ; then
6182   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
6183 fi
6184 if test "$byteswap_h" = "yes" ; then
6185   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6186 fi
6187 if test "$bswap_h" = "yes" ; then
6188   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6189 fi
6190 if test "$curl" = "yes" ; then
6191   echo "CONFIG_CURL=y" >> $config_host_mak
6192   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6193   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6194 fi
6195 if test "$brlapi" = "yes" ; then
6196   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6197   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6198 fi
6199 if test "$gtk" = "yes" ; then
6200   echo "CONFIG_GTK=y" >> $config_host_mak
6201   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6202   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6203   if test "$gtk_gl" = "yes" ; then
6204     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6205   fi
6206 fi
6207 if test "$gio" = "yes" ; then
6208     echo "CONFIG_GIO=y" >> $config_host_mak
6209     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6210     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6211     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
6212 fi
6213 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6214 if test "$gnutls" = "yes" ; then
6215   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6216   echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
6217   echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
6218 fi
6219 if test "$gcrypt" = "yes" ; then
6220   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6221   if test "$gcrypt_hmac" = "yes" ; then
6222     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6223   fi
6224   echo "GCRYPT_CFLAGS=$gcrypt_cflags" >> $config_host_mak
6225   echo "GCRYPT_LIBS=$gcrypt_libs" >> $config_host_mak
6226 fi
6227 if test "$nettle" = "yes" ; then
6228   echo "CONFIG_NETTLE=y" >> $config_host_mak
6229   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6230   echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
6231   echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
6232 fi
6233 if test "$qemu_private_xts" = "yes" ; then
6234   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6235 fi
6236 if test "$tasn1" = "yes" ; then
6237   echo "CONFIG_TASN1=y" >> $config_host_mak
6238 fi
6239 if test "$auth_pam" = "yes" ; then
6240     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6241 fi
6242 if test "$have_ifaddrs_h" = "yes" ; then
6243     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6244 fi
6245 if test "$have_drm_h" = "yes" ; then
6246   echo "HAVE_DRM_H=y" >> $config_host_mak
6247 fi
6248 if test "$have_broken_size_max" = "yes" ; then
6249     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6250 fi
6251 if test "$have_openpty" = "yes" ; then
6252     echo "HAVE_OPENPTY=y" >> $config_host_mak
6253 fi
6254 if test "$have_sys_signal_h" = "yes" ; then
6255     echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
6256 fi
6257
6258 # Work around a system header bug with some kernel/XFS header
6259 # versions where they both try to define 'struct fsxattr':
6260 # xfs headers will not try to redefine structs from linux headers
6261 # if this macro is set.
6262 if test "$have_fsxattr" = "yes" ; then
6263     echo "HAVE_FSXATTR=y" >> $config_host_mak
6264 fi
6265 if test "$have_copy_file_range" = "yes" ; then
6266     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6267 fi
6268 if test "$vte" = "yes" ; then
6269   echo "CONFIG_VTE=y" >> $config_host_mak
6270   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6271   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6272 fi
6273 if test "$virglrenderer" = "yes" ; then
6274   echo "CONFIG_VIRGL=y" >> $config_host_mak
6275   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6276   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6277 fi
6278 if test "$xen" = "enabled" ; then
6279   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6280   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6281   echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak
6282   echo "XEN_LIBS=$xen_libs" >> $config_host_mak
6283 fi
6284 if test "$linux_aio" = "yes" ; then
6285   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6286 fi
6287 if test "$linux_io_uring" = "yes" ; then
6288   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
6289   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
6290   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
6291 fi
6292 if test "$attr" = "yes" ; then
6293   echo "CONFIG_ATTR=y" >> $config_host_mak
6294   echo "LIBATTR_LIBS=$libattr_libs" >> $config_host_mak
6295 fi
6296 if test "$libattr" = "yes" ; then
6297   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6298 fi
6299 if test "$virtfs" = "yes" ; then
6300   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6301 fi
6302 if test "$vhost_scsi" = "yes" ; then
6303   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6304 fi
6305 if test "$vhost_net" = "yes" ; then
6306   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
6307 fi
6308 if test "$vhost_net_user" = "yes" ; then
6309   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
6310 fi
6311 if test "$vhost_net_vdpa" = "yes" ; then
6312   echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
6313 fi
6314 if test "$vhost_crypto" = "yes" ; then
6315   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6316 fi
6317 if test "$vhost_vsock" = "yes" ; then
6318   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6319   if test "$vhost_user" = "yes" ; then
6320     echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
6321   fi
6322 fi
6323 if test "$vhost_kernel" = "yes" ; then
6324   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
6325 fi
6326 if test "$vhost_user" = "yes" ; then
6327   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6328 fi
6329 if test "$vhost_vdpa" = "yes" ; then
6330   echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
6331 fi
6332 if test "$vhost_user_fs" = "yes" ; then
6333   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
6334 fi
6335 if test "$iovec" = "yes" ; then
6336   echo "CONFIG_IOVEC=y" >> $config_host_mak
6337 fi
6338 if test "$preadv" = "yes" ; then
6339   echo "CONFIG_PREADV=y" >> $config_host_mak
6340 fi
6341 if test "$membarrier" = "yes" ; then
6342   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
6343 fi
6344 if test "$signalfd" = "yes" ; then
6345   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6346 fi
6347 if test "$optreset" = "yes" ; then
6348   echo "HAVE_OPTRESET=y" >> $config_host_mak
6349 fi
6350 if test "$tcg" = "enabled"; then
6351   if test "$tcg_interpreter" = "yes" ; then
6352     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6353   fi
6354 fi
6355 if test "$fdatasync" = "yes" ; then
6356   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6357 fi
6358 if test "$madvise" = "yes" ; then
6359   echo "CONFIG_MADVISE=y" >> $config_host_mak
6360 fi
6361 if test "$posix_madvise" = "yes" ; then
6362   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6363 fi
6364 if test "$posix_memalign" = "yes" ; then
6365   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6366 fi
6367 if test "$spice" = "yes" ; then
6368   echo "CONFIG_SPICE=y" >> $config_host_mak
6369   echo "SPICE_CFLAGS=$spice_cflags" >> $config_host_mak
6370   echo "SPICE_LIBS=$spice_libs" >> $config_host_mak
6371 fi
6372
6373 if test "$smartcard" = "yes" ; then
6374   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6375   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6376   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6377 fi
6378
6379 if test "$libusb" = "yes" ; then
6380   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6381   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6382   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6383 fi
6384
6385 if test "$usb_redir" = "yes" ; then
6386   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6387   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6388   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6389 fi
6390
6391 if test "$opengl" = "yes" ; then
6392   echo "CONFIG_OPENGL=y" >> $config_host_mak
6393   echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak
6394   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6395   if test "$opengl_dmabuf" = "yes" ; then
6396     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6397   fi
6398 fi
6399
6400 if test "$gbm" = "yes" ; then
6401     echo "CONFIG_GBM=y" >> $config_host_mak
6402     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
6403     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
6404 fi
6405
6406
6407 if test "$avx2_opt" = "yes" ; then
6408   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6409 fi
6410
6411 if test "$avx512f_opt" = "yes" ; then
6412   echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
6413 fi
6414
6415 if test "$lzo" = "yes" ; then
6416   echo "CONFIG_LZO=y" >> $config_host_mak
6417   echo "LZO_LIBS=$lzo_libs" >> $config_host_mak
6418 fi
6419
6420 if test "$snappy" = "yes" ; then
6421   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6422   echo "SNAPPY_LIBS=$snappy_libs" >> $config_host_mak
6423 fi
6424
6425 if test "$bzip2" = "yes" ; then
6426   echo "CONFIG_BZIP2=y" >> $config_host_mak
6427   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6428 fi
6429
6430 if test "$lzfse" = "yes" ; then
6431   echo "CONFIG_LZFSE=y" >> $config_host_mak
6432   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
6433 fi
6434
6435 if test "$zstd" = "yes" ; then
6436   echo "CONFIG_ZSTD=y" >> $config_host_mak
6437   echo "ZSTD_CFLAGS=$zstd_cflags" >> $config_host_mak
6438   echo "ZSTD_LIBS=$zstd_libs" >> $config_host_mak
6439 fi
6440
6441 if test "$libiscsi" = "yes" ; then
6442   echo "CONFIG_LIBISCSI=y" >> $config_host_mak
6443   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6444   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6445 fi
6446
6447 if test "$libnfs" = "yes" ; then
6448   echo "CONFIG_LIBNFS=y" >> $config_host_mak
6449   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6450 fi
6451
6452 if test "$seccomp" = "yes"; then
6453   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6454   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6455   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6456 fi
6457
6458 # XXX: suppress that
6459 if [ "$bsd" = "yes" ] ; then
6460   echo "CONFIG_BSD=y" >> $config_host_mak
6461 fi
6462
6463 if test "$qom_cast_debug" = "yes" ; then
6464   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6465 fi
6466 if test "$rbd" = "yes" ; then
6467   echo "CONFIG_RBD=y" >> $config_host_mak
6468   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6469 fi
6470
6471 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6472 if test "$coroutine_pool" = "yes" ; then
6473   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6474 else
6475   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6476 fi
6477
6478 if test "$debug_stack_usage" = "yes" ; then
6479   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6480 fi
6481
6482 if test "$crypto_afalg" = "yes" ; then
6483   echo "CONFIG_AF_ALG=y" >> $config_host_mak
6484 fi
6485
6486 if test "$open_by_handle_at" = "yes" ; then
6487   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6488 fi
6489
6490 if test "$linux_magic_h" = "yes" ; then
6491   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6492 fi
6493
6494 if test "$valgrind_h" = "yes" ; then
6495   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6496 fi
6497
6498 if test "$have_asan_iface_fiber" = "yes" ; then
6499     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6500 fi
6501
6502 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
6503     echo "CONFIG_TSAN=y" >> $config_host_mak
6504 fi
6505
6506 if test "$has_environ" = "yes" ; then
6507   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6508 fi
6509
6510 if test "$cpuid_h" = "yes" ; then
6511   echo "CONFIG_CPUID_H=y" >> $config_host_mak
6512 fi
6513
6514 if test "$int128" = "yes" ; then
6515   echo "CONFIG_INT128=y" >> $config_host_mak
6516 fi
6517
6518 if test "$atomic128" = "yes" ; then
6519   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6520 fi
6521
6522 if test "$cmpxchg128" = "yes" ; then
6523   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
6524 fi
6525
6526 if test "$atomic64" = "yes" ; then
6527   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6528 fi
6529
6530 if test "$attralias" = "yes" ; then
6531   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
6532 fi
6533
6534 if test "$getauxval" = "yes" ; then
6535   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6536 fi
6537
6538 if test "$glusterfs" = "yes" ; then
6539   echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
6540   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6541   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6542 fi
6543
6544 if test "$glusterfs_xlator_opt" = "yes" ; then
6545   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6546 fi
6547
6548 if test "$glusterfs_discard" = "yes" ; then
6549   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6550 fi
6551
6552 if test "$glusterfs_fallocate" = "yes" ; then
6553   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6554 fi
6555
6556 if test "$glusterfs_zerofill" = "yes" ; then
6557   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6558 fi
6559
6560 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
6561   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
6562 fi
6563
6564 if test "$glusterfs_iocb_has_stat" = "yes" ; then
6565   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
6566 fi
6567
6568 if test "$libssh" = "yes" ; then
6569   echo "CONFIG_LIBSSH=y" >> $config_host_mak
6570   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
6571   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
6572 fi
6573
6574 if test "$live_block_migration" = "yes" ; then
6575   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6576 fi
6577
6578 if test "$tpm" = "yes"; then
6579   echo 'CONFIG_TPM=y' >> $config_host_mak
6580 fi
6581
6582 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6583 if have_backend "nop"; then
6584   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6585 fi
6586 if have_backend "simple"; then
6587   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6588   # Set the appropriate trace file.
6589   trace_file="\"$trace_file-\" FMT_pid"
6590 fi
6591 if have_backend "log"; then
6592   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6593 fi
6594 if have_backend "ust"; then
6595   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6596   echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
6597   echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
6598 fi
6599 if have_backend "dtrace"; then
6600   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6601   if test "$trace_backend_stap" = "yes" ; then
6602     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6603   fi
6604 fi
6605 if have_backend "ftrace"; then
6606   if test "$linux" = "yes" ; then
6607     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6608   else
6609     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6610   fi
6611 fi
6612 if have_backend "syslog"; then
6613   if test "$posix_syslog" = "yes" ; then
6614     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6615   else
6616     feature_not_found "syslog(trace backend)" "syslog not available"
6617   fi
6618 fi
6619 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6620
6621 if test "$rdma" = "yes" ; then
6622   echo "CONFIG_RDMA=y" >> $config_host_mak
6623   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6624 fi
6625
6626 if test "$pvrdma" = "yes" ; then
6627   echo "CONFIG_PVRDMA=y" >> $config_host_mak
6628 fi
6629
6630 if test "$have_rtnetlink" = "yes" ; then
6631   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6632 fi
6633
6634 if test "$libxml2" = "yes" ; then
6635   echo "CONFIG_LIBXML2=y" >> $config_host_mak
6636   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
6637   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
6638 fi
6639
6640 if test "$replication" = "yes" ; then
6641   echo "CONFIG_REPLICATION=y" >> $config_host_mak
6642 fi
6643
6644 if test "$have_af_vsock" = "yes" ; then
6645   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6646 fi
6647
6648 if test "$have_sysmacros" = "yes" ; then
6649   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6650 fi
6651
6652 if test "$have_static_assert" = "yes" ; then
6653   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6654 fi
6655
6656 if test "$have_utmpx" = "yes" ; then
6657   echo "HAVE_UTMPX=y" >> $config_host_mak
6658 fi
6659 if test "$have_getrandom" = "yes" ; then
6660   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
6661 fi
6662 if test "$ivshmem" = "yes" ; then
6663   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6664 fi
6665 if test "$debug_mutex" = "yes" ; then
6666   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
6667 fi
6668
6669 # Hold two types of flag:
6670 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
6671 #                                     a thread we have a handle to
6672 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
6673 #                                     platform
6674 if test "$pthread_setname_np_w_tid" = "yes" ; then
6675   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6676   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
6677 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
6678   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6679   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
6680 fi
6681
6682 if test "$libpmem" = "yes" ; then
6683   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
6684   echo "LIBPMEM_LIBS=$libpmem_libs" >> $config_host_mak
6685   echo "LIBPMEM_CFLAGS=$libpmem_cflags" >> $config_host_mak
6686 fi
6687
6688 if test "$libdaxctl" = "yes" ; then
6689   echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
6690   echo "LIBDAXCTL_LIBS=$libdaxctl_libs" >> $config_host_mak
6691 fi
6692
6693 if test "$bochs" = "yes" ; then
6694   echo "CONFIG_BOCHS=y" >> $config_host_mak
6695 fi
6696 if test "$cloop" = "yes" ; then
6697   echo "CONFIG_CLOOP=y" >> $config_host_mak
6698 fi
6699 if test "$dmg" = "yes" ; then
6700   echo "CONFIG_DMG=y" >> $config_host_mak
6701 fi
6702 if test "$qcow1" = "yes" ; then
6703   echo "CONFIG_QCOW1=y" >> $config_host_mak
6704 fi
6705 if test "$vdi" = "yes" ; then
6706   echo "CONFIG_VDI=y" >> $config_host_mak
6707 fi
6708 if test "$vvfat" = "yes" ; then
6709   echo "CONFIG_VVFAT=y" >> $config_host_mak
6710 fi
6711 if test "$qed" = "yes" ; then
6712   echo "CONFIG_QED=y" >> $config_host_mak
6713 fi
6714 if test "$parallels" = "yes" ; then
6715   echo "CONFIG_PARALLELS=y" >> $config_host_mak
6716 fi
6717 if test "$sheepdog" = "yes" ; then
6718   add_to deprecated_features "sheepdog"
6719   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
6720 fi
6721 if test "$pty_h" = "yes" ; then
6722   echo "HAVE_PTY_H=y" >> $config_host_mak
6723 fi
6724 if test "$have_mlockall" = "yes" ; then
6725   echo "HAVE_MLOCKALL=y" >> $config_host_mak
6726 fi
6727 if test "$fuzzing" = "yes" ; then
6728   # If LIB_FUZZING_ENGINE is set, assume we are running on OSS-Fuzz, and the
6729   # needed CFLAGS have already been provided
6730   if test -z "${LIB_FUZZING_ENGINE+xxx}" ; then
6731     QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
6732     FUZZ_EXE_LDFLAGS="-fsanitize=fuzzer"
6733   else
6734     FUZZ_EXE_LDFLAGS="$LIB_FUZZING_ENGINE"
6735   fi
6736 fi
6737
6738 if test "$plugins" = "yes" ; then
6739     echo "CONFIG_PLUGIN=y" >> $config_host_mak
6740     # Copy the export object list to the build dir
6741     if test "$ld_dynamic_list" = "yes" ; then
6742         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
6743         ld_symbols=qemu-plugins-ld.symbols
6744         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
6745     elif test "$ld_exported_symbols_list" = "yes" ; then
6746         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
6747         ld64_symbols=qemu-plugins-ld64.symbols
6748         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
6749         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
6750             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
6751     else
6752         error_exit \
6753             "If \$plugins=yes, either \$ld_dynamic_list or " \
6754             "\$ld_exported_symbols_list should have been set to 'yes'."
6755     fi
6756 fi
6757
6758 if test -n "$gdb_bin" ; then
6759     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
6760 fi
6761
6762 if test "$secret_keyring" = "yes" ; then
6763   echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
6764 fi
6765
6766 echo "ROMS=$roms" >> $config_host_mak
6767 echo "MAKE=$make" >> $config_host_mak
6768 echo "PYTHON=$python" >> $config_host_mak
6769 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
6770 echo "MESON=$meson" >> $config_host_mak
6771 echo "NINJA=$ninja" >> $config_host_mak
6772 echo "CC=$cc" >> $config_host_mak
6773 if $iasl -h > /dev/null 2>&1; then
6774   echo "CONFIG_IASL=$iasl" >> $config_host_mak
6775 fi
6776 echo "CXX=$cxx" >> $config_host_mak
6777 echo "OBJCC=$objcc" >> $config_host_mak
6778 echo "AR=$ar" >> $config_host_mak
6779 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
6780 echo "AS=$as" >> $config_host_mak
6781 echo "CCAS=$ccas" >> $config_host_mak
6782 echo "CPP=$cpp" >> $config_host_mak
6783 echo "OBJCOPY=$objcopy" >> $config_host_mak
6784 echo "LD=$ld" >> $config_host_mak
6785 echo "RANLIB=$ranlib" >> $config_host_mak
6786 echo "NM=$nm" >> $config_host_mak
6787 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
6788 echo "WINDRES=$windres" >> $config_host_mak
6789 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
6790 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
6791 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
6792 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
6793 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
6794 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
6795 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
6796 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
6797 echo "EXESUF=$EXESUF" >> $config_host_mak
6798 echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak
6799 echo "LIBS_QGA=$libs_qga" >> $config_host_mak
6800 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
6801 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
6802 if test "$gcov" = "yes" ; then
6803   echo "CONFIG_GCOV=y" >> $config_host_mak
6804 fi
6805
6806 if test "$fuzzing" != "no"; then
6807     echo "CONFIG_FUZZ=y" >> $config_host_mak
6808 fi
6809 echo "FUZZ_EXE_LDFLAGS=$FUZZ_EXE_LDFLAGS" >> $config_host_mak
6810
6811 if test "$rng_none" = "yes"; then
6812   echo "CONFIG_RNG_NONE=y" >> $config_host_mak
6813 fi
6814
6815 # use included Linux headers
6816 if test "$linux" = "yes" ; then
6817   mkdir -p linux-headers
6818   case "$cpu" in
6819   i386|x86_64|x32)
6820     linux_arch=x86
6821     ;;
6822   ppc|ppc64|ppc64le)
6823     linux_arch=powerpc
6824     ;;
6825   s390x)
6826     linux_arch=s390
6827     ;;
6828   aarch64)
6829     linux_arch=arm64
6830     ;;
6831   mips64)
6832     linux_arch=mips
6833     ;;
6834   *)
6835     # For most CPUs the kernel architecture name and QEMU CPU name match.
6836     linux_arch="$cpu"
6837     ;;
6838   esac
6839     # For non-KVM architectures we will not have asm headers
6840     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
6841       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
6842     fi
6843 fi
6844
6845 for target in $target_list; do
6846     target_dir="$target"
6847     target_name=$(echo $target | cut -d '-' -f 1)
6848     mkdir -p $target_dir
6849     case $target in
6850         *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
6851         *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
6852     esac
6853 done
6854
6855 echo "CONFIG_QEMU_INTERP_PREFIX=$interp_prefix" | sed 's/%M/@0@/' >> $config_host_mak
6856 if test "$default_targets" = "yes"; then
6857   echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
6858 fi
6859
6860 if test "$numa" = "yes"; then
6861   echo "CONFIG_NUMA=y" >> $config_host_mak
6862   echo "NUMA_LIBS=$numa_libs" >> $config_host_mak
6863 fi
6864
6865 if test "$ccache_cpp2" = "yes"; then
6866   echo "export CCACHE_CPP2=y" >> $config_host_mak
6867 fi
6868
6869 if test "$safe_stack" = "yes"; then
6870   echo "CONFIG_SAFESTACK=y" >> $config_host_mak
6871 fi
6872
6873 # If we're using a separate build tree, set it up now.
6874 # DIRS are directories which we simply mkdir in the build tree;
6875 # LINKS are things to symlink back into the source tree
6876 # (these can be both files and directories).
6877 # Caution: do not add files or directories here using wildcards. This
6878 # will result in problems later if a new file matching the wildcard is
6879 # added to the source tree -- nothing will cause configure to be rerun
6880 # so the build tree will be missing the link back to the new file, and
6881 # tests might fail. Prefer to keep the relevant files in their own
6882 # directory and symlink the directory instead.
6883 # UNLINK is used to remove symlinks from older development versions
6884 # that might get into the way when doing "git update" without doing
6885 # a "make distclean" in between.
6886 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
6887 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
6888 DIRS="$DIRS docs docs/interop fsdev scsi"
6889 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
6890 DIRS="$DIRS roms/seabios"
6891 DIRS="$DIRS contrib/plugins/"
6892 LINKS="Makefile"
6893 LINKS="$LINKS tests/tcg/lm32/Makefile"
6894 LINKS="$LINKS tests/tcg/Makefile.target"
6895 LINKS="$LINKS pc-bios/optionrom/Makefile"
6896 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
6897 LINKS="$LINKS roms/seabios/Makefile"
6898 LINKS="$LINKS pc-bios/qemu-icon.bmp"
6899 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
6900 LINKS="$LINKS tests/acceptance tests/data"
6901 LINKS="$LINKS tests/qemu-iotests/check"
6902 LINKS="$LINKS python"
6903 LINKS="$LINKS contrib/plugins/Makefile "
6904 UNLINK="pc-bios/keymaps"
6905 for bios_file in \
6906     $source_path/pc-bios/*.bin \
6907     $source_path/pc-bios/*.elf \
6908     $source_path/pc-bios/*.lid \
6909     $source_path/pc-bios/*.rom \
6910     $source_path/pc-bios/*.dtb \
6911     $source_path/pc-bios/*.img \
6912     $source_path/pc-bios/openbios-* \
6913     $source_path/pc-bios/u-boot.* \
6914     $source_path/pc-bios/edk2-*.fd.bz2 \
6915     $source_path/pc-bios/palcode-*
6916 do
6917     LINKS="$LINKS pc-bios/$(basename $bios_file)"
6918 done
6919 mkdir -p $DIRS
6920 for f in $LINKS ; do
6921     if [ -e "$source_path/$f" ]; then
6922         symlink "$source_path/$f" "$f"
6923     fi
6924 done
6925 for f in $UNLINK ; do
6926     if [ -L "$f" ]; then
6927         rm -f "$f"
6928     fi
6929 done
6930
6931 (for i in $cross_cc_vars; do
6932   export $i
6933 done
6934 export target_list source_path use_containers
6935 $source_path/tests/tcg/configure.sh)
6936
6937 # temporary config to build submodules
6938 for rom in seabios; do
6939     config_mak=roms/$rom/config.mak
6940     echo "# Automatically generated by configure - do not modify" > $config_mak
6941     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
6942     echo "AS=$as" >> $config_mak
6943     echo "CCAS=$ccas" >> $config_mak
6944     echo "CC=$cc" >> $config_mak
6945     echo "BCC=bcc" >> $config_mak
6946     echo "CPP=$cpp" >> $config_mak
6947     echo "OBJCOPY=objcopy" >> $config_mak
6948     echo "IASL=$iasl" >> $config_mak
6949     echo "LD=$ld" >> $config_mak
6950     echo "RANLIB=$ranlib" >> $config_mak
6951 done
6952
6953 # set up qemu-iotests in this build directory
6954 iotests_common_env="tests/qemu-iotests/common.env"
6955
6956 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
6957 echo >> "$iotests_common_env"
6958 echo "export PYTHON='$python'" >> "$iotests_common_env"
6959
6960 if test "$skip_meson" = no; then
6961 cross="config-meson.cross.new"
6962 meson_quote() {
6963     echo "'$(echo $* | sed "s/ /','/g")'"
6964 }
6965
6966 echo "# Automatically generated by configure - do not modify" > $cross
6967 echo "[properties]" >> $cross
6968 test -z "$cxx" && echo "link_language = 'c'" >> $cross
6969 echo "[built-in options]" >> $cross
6970 echo "c_args = [${CFLAGS:+$(meson_quote $CFLAGS)}]" >> $cross
6971 echo "cpp_args = [${CXXFLAGS:+$(meson_quote $CXXFLAGS)}]" >> $cross
6972 echo "c_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross
6973 echo "cpp_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross
6974 echo "[binaries]" >> $cross
6975 echo "c = [$(meson_quote $cc)]" >> $cross
6976 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx)]" >> $cross
6977 echo "ar = [$(meson_quote $ar)]" >> $cross
6978 echo "nm = [$(meson_quote $nm)]" >> $cross
6979 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross
6980 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
6981 if has $sdl2_config; then
6982   echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
6983 fi
6984 echo "strip = [$(meson_quote $strip)]" >> $cross
6985 echo "windres = [$(meson_quote $windres)]" >> $cross
6986 if test -n "$cross_prefix"; then
6987     cross_arg="--cross-file config-meson.cross"
6988     echo "[host_machine]" >> $cross
6989     if test "$mingw32" = "yes" ; then
6990         echo "system = 'windows'" >> $cross
6991     fi
6992     if test "$linux" = "yes" ; then
6993         echo "system = 'linux'" >> $cross
6994     fi
6995     case "$ARCH" in
6996         i386|x86_64)
6997             echo "cpu_family = 'x86'" >> $cross
6998             ;;
6999         ppc64le)
7000             echo "cpu_family = 'ppc64'" >> $cross
7001             ;;
7002         *)
7003             echo "cpu_family = '$ARCH'" >> $cross
7004             ;;
7005     esac
7006     echo "cpu = '$cpu'" >> $cross
7007     if test "$bigendian" = "yes" ; then
7008         echo "endian = 'big'" >> $cross
7009     else
7010         echo "endian = 'little'" >> $cross
7011     fi
7012 else
7013     cross_arg="--native-file config-meson.cross"
7014 fi
7015 mv $cross config-meson.cross
7016
7017 rm -rf meson-private meson-info meson-logs
7018 unset staticpic
7019 if ! version_ge "$($meson --version)" 0.56.0; then
7020   staticpic=$(if test "$pie" = yes; then echo true; else echo false; fi)
7021 fi
7022 NINJA=$ninja $meson setup \
7023         --prefix "$prefix" \
7024         --libdir "$libdir" \
7025         --libexecdir "$libexecdir" \
7026         --bindir "$bindir" \
7027         --includedir "$includedir" \
7028         --datadir "$datadir" \
7029         --mandir "$mandir" \
7030         --sysconfdir "$sysconfdir" \
7031         --localedir "$localedir" \
7032         --localstatedir "$local_statedir" \
7033         -Ddocdir="$docdir" \
7034         -Dqemu_firmwarepath="$firmwarepath" \
7035         -Dqemu_suffix="$qemu_suffix" \
7036         -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
7037         -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
7038         -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
7039         -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
7040         -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
7041         ${staticpic:+-Db_staticpic=$staticpic} \
7042         -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
7043         -Dmalloc=$malloc -Dmalloc_trim=$malloc_trim -Dsparse=$sparse \
7044         -Dkvm=$kvm -Dhax=$hax -Dwhpx=$whpx -Dhvf=$hvf \
7045         -Dxen=$xen -Dxen_pci_passthrough=$xen_pci_passthrough -Dtcg=$tcg \
7046         -Dcocoa=$cocoa -Dmpath=$mpath -Dsdl=$sdl -Dsdl_image=$sdl_image \
7047         -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \
7048         -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f -Dvirtiofsd=$virtiofsd \
7049         -Dcapstone=$capstone -Dslirp=$slirp -Dfdt=$fdt \
7050         -Diconv=$iconv -Dcurses=$curses -Dlibudev=$libudev\
7051         -Ddocs=$docs -Dsphinx_build=$sphinx_build -Dinstall_blobs=$blobs \
7052         -Dvhost_user_blk_server=$vhost_user_blk_server \
7053         $cross_arg \
7054         "$PWD" "$source_path"
7055
7056 if test "$?" -ne 0 ; then
7057     error_exit "meson setup failed"
7058 fi
7059 fi
7060
7061 if test -n "${deprecated_features}"; then
7062     echo "Warning, deprecated features enabled."
7063     echo "Please see docs/system/deprecated.rst"
7064     echo "  features: ${deprecated_features}"
7065 fi
7066
7067 # Save the configure command line for later reuse.
7068 cat <<EOD >config.status
7069 #!/bin/sh
7070 # Generated by configure.
7071 # Run this file to recreate the current configuration.
7072 # Compiler output produced by configure, useful for debugging
7073 # configure, is in config.log if it exists.
7074 EOD
7075
7076 preserve_env() {
7077     envname=$1
7078
7079     eval envval=\$$envname
7080
7081     if test -n "$envval"
7082     then
7083         echo "$envname='$envval'" >> config.status
7084         echo "export $envname" >> config.status
7085     else
7086         echo "unset $envname" >> config.status
7087     fi
7088 }
7089
7090 # Preserve various env variables that influence what
7091 # features/build target configure will detect
7092 preserve_env AR
7093 preserve_env AS
7094 preserve_env CC
7095 preserve_env CPP
7096 preserve_env CXX
7097 preserve_env INSTALL
7098 preserve_env LD
7099 preserve_env LD_LIBRARY_PATH
7100 preserve_env LIBTOOL
7101 preserve_env MAKE
7102 preserve_env NM
7103 preserve_env OBJCOPY
7104 preserve_env PATH
7105 preserve_env PKG_CONFIG
7106 preserve_env PKG_CONFIG_LIBDIR
7107 preserve_env PKG_CONFIG_PATH
7108 preserve_env PYTHON
7109 preserve_env SDL2_CONFIG
7110 preserve_env SMBD
7111 preserve_env STRIP
7112 preserve_env WINDRES
7113
7114 printf "exec" >>config.status
7115 for i in "$0" "$@"; do
7116   test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
7117 done
7118 echo ' "$@"' >>config.status
7119 chmod +x config.status
7120
7121 rm -r "$TMPDIR1"