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 # Temporary directory used for files created while
  15 # configure runs. Since it is in the build directory
  16 # we can safely blow away any previous version of it
  17 # (and we need not jump through hoops to try to delete
  18 # it when configure exits.)
  19 TMPDIR1="config-temp"
  20 rm -rf "${TMPDIR1}"
  21 mkdir -p "${TMPDIR1}"
  22 if [ $? -ne 0 ]; then
  23     echo "ERROR: failed to create temporary directory"
  24     exit 1
  25 fi
  26
  27 TMPB="qemu-conf"
  28 TMPC="${TMPDIR1}/${TMPB}.c"
  29 TMPO="${TMPDIR1}/${TMPB}.o"
  30 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  31 TMPE="${TMPDIR1}/${TMPB}.exe"
  32 TMPMO="${TMPDIR1}/${TMPB}.mo"
  33
  34 rm -f config.log
  35
  36 # Print a helpful header at the top of config.log
  37 echo "# QEMU configure log $(date)" >> config.log
  38 printf "# Configured with:" >> config.log
  39 printf " '%s'" "$0" "$@" >> config.log
  40 echo >> config.log
  41 echo "#" >> config.log
  42
  43 error_exit() {
  44     echo
  45     echo "ERROR: $1"
  46     while test -n "$2"; do
  47         echo "       $2"
  48         shift
  49     done
  50     echo
  51     exit 1
  52 }
  53
  54 do_compiler() {
  55     # Run the compiler, capturing its output to the log. First argument
  56     # is compiler binary to execute.
  57     local compiler="$1"
  58     shift
  59     echo $compiler "$@" >> config.log
  60     $compiler "$@" >> config.log 2>&1 || return $?
  61     # Test passed. If this is an --enable-werror build, rerun
  62     # the test with -Werror and bail out if it fails. This
  63     # makes warning-generating-errors in configure test code
  64     # obvious to developers.
  65     if test "$werror" != "yes"; then
  66         return 0
  67     fi
  68     # Don't bother rerunning the compile if we were already using -Werror
  69     case "$*" in
  70         *-Werror*)
  71            return 0
  72         ;;
  73     esac
  74     echo $compiler -Werror "$@" >> config.log
  75     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  76     error_exit "configure test passed without -Werror but failed with -Werror." \
  77         "This is probably a bug in the configure script. The failing command" \
  78         "will be at the bottom of config.log." \
  79         "You can run configure with --disable-werror to bypass this check."
  80 }
  81
  82 do_cc() {
  83     do_compiler "$cc" "$@"
  84 }
  85
  86 do_cxx() {
  87     do_compiler "$cxx" "$@"
  88 }
  89
  90 update_cxxflags() {
  91     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
  92     # options which some versions of GCC's C++ compiler complain about
  93     # because they only make sense for C programs.
  94     QEMU_CXXFLAGS=
  95     for arg in $QEMU_CFLAGS; do
  96         case $arg in
  97             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
  98             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
  99                 ;;
 100             *)
 101                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 102                 ;;
 103         esac
 104     done
 105 }
 106
 107 compile_object() {
 108   local_cflags="$1"
 109   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 110 }
 111
 112 compile_prog() {
 113   local_cflags="$1"
 114   local_ldflags="$2"
 115   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 116 }
 117
 118 # symbolically link $1 to $2.  Portable version of "ln -sf".
 119 symlink() {
 120   rm -rf "$2"
 121   mkdir -p "$(dirname "$2")"
 122   ln -s "$1" "$2"
 123 }
 124
 125 # check whether a command is available to this shell (may be either an
 126 # executable or a builtin)
 127 has() {
 128     type "$1" >/dev/null 2>&1
 129 }
 130
 131 # search for an executable in PATH
 132 path_of() {
 133     local_command="$1"
 134     local_ifs="$IFS"
 135     local_dir=""
 136
 137     # pathname has a dir component?
 138     if [ "${local_command#*/}" != "$local_command" ]; then
 139         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 140             echo "$local_command"
 141             return 0
 142         fi
 143     fi
 144     if [ -z "$local_command" ]; then
 145         return 1
 146     fi
 147
 148     IFS=:
 149     for local_dir in $PATH; do
 150         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 151             echo "$local_dir/$local_command"
 152             IFS="${local_ifs:-$(printf ' \t\n')}"
 153             return 0
 154         fi
 155     done
 156     # not found
 157     IFS="${local_ifs:-$(printf ' \t\n')}"
 158     return 1
 159 }
 160
 161 have_backend () {
 162     echo "$trace_backends" | grep "$1" >/dev/null
 163 }
 164
 165 # default parameters
 166 source_path=$(dirname "$0")
 167 cpu=""
 168 iasl="iasl"
 169 interp_prefix="/usr/gnemul/qemu-%M"
 170 static="no"
 171 cross_prefix=""
 172 audio_drv_list=""
 173 block_drv_rw_whitelist=""
 174 block_drv_ro_whitelist=""
 175 host_cc="cc"
 176 libs_softmmu=""
 177 libs_tools=""
 178 audio_pt_int=""
 179 audio_win_int=""
 180 cc_i386=i386-pc-linux-gnu-gcc
 181 libs_qga=""
 182 debug_info="yes"
 183 stack_protector=""
 184
 185 # Don't accept a target_list environment variable.
 186 unset target_list
 187
 188 # Default value for a variable defining feature "foo".
 189 #  * foo="no"  feature will only be used if --enable-foo arg is given
 190 #  * foo=""    feature will be searched for, and if found, will be used
 191 #              unless --disable-foo is given
 192 #  * foo="yes" this value will only be set by --enable-foo flag.
 193 #              feature will searched for,
 194 #              if not found, configure exits with error
 195 #
 196 # Always add --enable-foo and --disable-foo command line args.
 197 # Distributions want to ensure that several features are compiled in, and it
 198 # is impossible without a --enable-foo that exits if a feature is not found.
 199
 200 bluez=""
 201 brlapi=""
 202 curl=""
 203 curses=""
 204 docs=""
 205 fdt=""
 206 netmap="no"
 207 pixman=""
 208 sdl=""
 209 sdlabi=""
 210 virtfs=""
 211 vnc="yes"
 212 sparse="no"
 213 vde=""
 214 vnc_sasl=""
 215 vnc_jpeg=""
 216 vnc_png=""
 217 xen=""
 218 xen_ctrl_version=""
 219 xen_pv_domain_build="no"
 220 xen_pci_passthrough=""
 221 linux_aio=""
 222 cap_ng=""
 223 attr=""
 224 libattr=""
 225 xfs=""
 226
 227 vhost_net="no"
 228 vhost_scsi="no"
 229 vhost_vsock="no"
 230 kvm="no"
 231 hax="no"
 232 rdma=""
 233 gprof="no"
 234 debug_tcg="no"
 235 debug="no"
 236 fortify_source=""
 237 strip_opt="yes"
 238 tcg_interpreter="no"
 239 bigendian="no"
 240 mingw32="no"
 241 gcov="no"
 242 gcov_tool="gcov"
 243 EXESUF=""
 244 DSOSUF=".so"
 245 LDFLAGS_SHARED="-shared"
 246 modules="no"
 247 prefix="/usr/local"
 248 mandir="\${prefix}/share/man"
 249 datadir="\${prefix}/share"
 250 qemu_docdir="\${prefix}/share/doc/qemu"
 251 bindir="\${prefix}/bin"
 252 libdir="\${prefix}/lib"
 253 libexecdir="\${prefix}/libexec"
 254 includedir="\${prefix}/include"
 255 sysconfdir="\${prefix}/etc"
 256 local_statedir="\${prefix}/var"
 257 confsuffix="/qemu"
 258 slirp="yes"
 259 oss_lib=""
 260 bsd="no"
 261 linux="no"
 262 solaris="no"
 263 profiler="no"
 264 cocoa="no"
 265 softmmu="yes"
 266 linux_user="no"
 267 bsd_user="no"
 268 aix="no"
 269 blobs="yes"
 270 pkgversion=""
 271 pie=""
 272 qom_cast_debug="yes"
 273 trace_backends="log"
 274 trace_file="trace"
 275 spice=""
 276 rbd=""
 277 smartcard=""
 278 libusb=""
 279 usb_redir=""
 280 opengl=""
 281 opengl_dmabuf="no"
 282 avx2_opt="no"
 283 zlib="yes"
 284 lzo=""
 285 snappy=""
 286 bzip2=""
 287 guest_agent=""
 288 guest_agent_with_vss="no"
 289 guest_agent_ntddscsi="no"
 290 guest_agent_msi=""
 291 vss_win32_sdk=""
 292 win_sdk="no"
 293 want_tools="yes"
 294 libiscsi=""
 295 libnfs=""
 296 coroutine=""
 297 coroutine_pool=""
 298 debug_stack_usage="no"
 299 seccomp=""
 300 glusterfs=""
 301 glusterfs_xlator_opt="no"
 302 glusterfs_discard="no"
 303 glusterfs_zerofill="no"
 304 gtk=""
 305 gtkabi=""
 306 gtk_gl="no"
 307 tls_priority="NORMAL"
 308 gnutls=""
 309 gnutls_rnd=""
 310 nettle=""
 311 nettle_kdf="no"
 312 gcrypt=""
 313 gcrypt_hmac="no"
 314 gcrypt_kdf="no"
 315 vte=""
 316 virglrenderer=""
 317 tpm="yes"
 318 libssh2=""
 319 numa=""
 320 tcmalloc="no"
 321 jemalloc="no"
 322 replication="yes"
 323
 324 supported_cpu="no"
 325 supported_os="no"
 326 bogus_os="no"
 327
 328 # parse CC options first
 329 for opt do
 330   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 331   case "$opt" in
 332   --cross-prefix=*) cross_prefix="$optarg"
 333   ;;
 334   --cc=*) CC="$optarg"
 335   ;;
 336   --cxx=*) CXX="$optarg"
 337   ;;
 338   --source-path=*) source_path="$optarg"
 339   ;;
 340   --cpu=*) cpu="$optarg"
 341   ;;
 342   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 343                     EXTRA_CFLAGS="$optarg"
 344   ;;
 345   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 346                      EXTRA_LDFLAGS="$optarg"
 347   ;;
 348   --enable-debug-info) debug_info="yes"
 349   ;;
 350   --disable-debug-info) debug_info="no"
 351   ;;
 352   esac
 353 done
 354 # OS specific
 355 # Using uname is really, really broken.  Once we have the right set of checks
 356 # we can eliminate its usage altogether.
 357
 358 # Preferred compiler:
 359 #  ${CC} (if set)
 360 #  ${cross_prefix}gcc (if cross-prefix specified)
 361 #  system compiler
 362 if test -z "${CC}${cross_prefix}"; then
 363   cc="$host_cc"
 364 else
 365   cc="${CC-${cross_prefix}gcc}"
 366 fi
 367
 368 if test -z "${CXX}${cross_prefix}"; then
 369   cxx="c++"
 370 else
 371   cxx="${CXX-${cross_prefix}g++}"
 372 fi
 373
 374 ar="${AR-${cross_prefix}ar}"
 375 as="${AS-${cross_prefix}as}"
 376 ccas="${CCAS-$cc}"
 377 cpp="${CPP-$cc -E}"
 378 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 379 ld="${LD-${cross_prefix}ld}"
 380 nm="${NM-${cross_prefix}nm}"
 381 strip="${STRIP-${cross_prefix}strip}"
 382 windres="${WINDRES-${cross_prefix}windres}"
 383 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 384 query_pkg_config() {
 385     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 386 }
 387 pkg_config=query_pkg_config
 388 sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
 389 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 390
 391 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 392 ARFLAGS="${ARFLAGS-rv}"
 393
 394 # default flags for all hosts
 395 # We use -fwrapv to tell the compiler that we require a C dialect where
 396 # left shift of signed integers is well defined and has the expected
 397 # 2s-complement style results. (Both clang and gcc agree that it
 398 # provides these semantics.)
 399 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 400 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 401 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 402 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 403 QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/include"
 404 if test "$debug_info" = "yes"; then
 405     CFLAGS="-g $CFLAGS"
 406     LDFLAGS="-g $LDFLAGS"
 407 fi
 408
 409 # make source path absolute
 410 source_path=$(cd "$source_path"; pwd)
 411
 412 # running configure in the source tree?
 413 # we know that's the case if configure is there.
 414 if test -f "./configure"; then
 415     pwd_is_source_path="y"
 416 else
 417     pwd_is_source_path="n"
 418 fi
 419
 420 check_define() {
 421 cat > $TMPC <<EOF
 422 #if !defined($1)
 423 #error $1 not defined
 424 #endif
 425 int main(void) { return 0; }
 426 EOF
 427   compile_object
 428 }
 429
 430 check_include() {
 431 cat > $TMPC <<EOF
 432 #include <$1>
 433 int main(void) { return 0; }
 434 EOF
 435   compile_object
 436 }
 437
 438 write_c_skeleton() {
 439     cat > $TMPC <<EOF
 440 int main(void) { return 0; }
 441 EOF
 442 }
 443
 444 if check_define __linux__ ; then
 445   targetos="Linux"
 446 elif check_define _WIN32 ; then
 447   targetos='MINGW32'
 448 elif check_define __OpenBSD__ ; then
 449   targetos='OpenBSD'
 450 elif check_define __sun__ ; then
 451   targetos='SunOS'
 452 elif check_define __HAIKU__ ; then
 453   targetos='Haiku'
 454 else
 455   targetos=$(uname -s)
 456 fi
 457
 458 # Some host OSes need non-standard checks for which CPU to use.
 459 # Note that these checks are broken for cross-compilation: if you're
 460 # cross-compiling to one of these OSes then you'll need to specify
 461 # the correct CPU with the --cpu option.
 462 case $targetos in
 463 Darwin)
 464   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 465   # run 64-bit userspace code.
 466   # If the user didn't specify a CPU explicitly and the kernel says this is
 467   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 468   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 469     cpu="x86_64"
 470   fi
 471   ;;
 472 SunOS)
 473   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 474   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 475     cpu="x86_64"
 476   fi
 477 esac
 478
 479 if test ! -z "$cpu" ; then
 480   # command line argument
 481   :
 482 elif check_define __i386__ ; then
 483   cpu="i386"
 484 elif check_define __x86_64__ ; then
 485   if check_define __ILP32__ ; then
 486     cpu="x32"
 487   else
 488     cpu="x86_64"
 489   fi
 490 elif check_define __sparc__ ; then
 491   if check_define __arch64__ ; then
 492     cpu="sparc64"
 493   else
 494     cpu="sparc"
 495   fi
 496 elif check_define _ARCH_PPC ; then
 497   if check_define _ARCH_PPC64 ; then
 498     cpu="ppc64"
 499   else
 500     cpu="ppc"
 501   fi
 502 elif check_define __mips__ ; then
 503   cpu="mips"
 504 elif check_define __ia64__ ; then
 505   cpu="ia64"
 506 elif check_define __s390__ ; then
 507   if check_define __s390x__ ; then
 508     cpu="s390x"
 509   else
 510     cpu="s390"
 511   fi
 512 elif check_define __arm__ ; then
 513   cpu="arm"
 514 elif check_define __aarch64__ ; then
 515   cpu="aarch64"
 516 else
 517   cpu=$(uname -m)
 518 fi
 519
 520 ARCH=
 521 # Normalise host CPU name and set ARCH.
 522 # Note that this case should only have supported host CPUs, not guests.
 523 case "$cpu" in
 524   ppc|ppc64|s390|s390x|sparc64|x32)
 525     cpu="$cpu"
 526     supported_cpu="yes"
 527   ;;
 528   ia64)
 529     cpu="$cpu"
 530   ;;
 531   i386|i486|i586|i686|i86pc|BePC)
 532     cpu="i386"
 533     supported_cpu="yes"
 534   ;;
 535   x86_64|amd64)
 536     cpu="x86_64"
 537     supported_cpu="yes"
 538   ;;
 539   armv*b|armv*l|arm)
 540     cpu="arm"
 541     supported_cpu="yes"
 542   ;;
 543   aarch64)
 544     cpu="aarch64"
 545     supported_cpu="yes"
 546   ;;
 547   mips*)
 548     cpu="mips"
 549     supported_cpu="yes"
 550   ;;
 551   sparc|sun4[cdmuv])
 552     cpu="sparc"
 553     supported_cpu="yes"
 554   ;;
 555   *)
 556     # This will result in either an error or falling back to TCI later
 557     ARCH=unknown
 558   ;;
 559 esac
 560 if test -z "$ARCH"; then
 561   ARCH="$cpu"
 562 fi
 563
 564 # OS specific
 565
 566 # host *BSD for user mode
 567 HOST_VARIANT_DIR=""
 568
 569 case $targetos in
 570 MINGW32*)
 571   mingw32="yes"
 572   hax="yes"
 573   audio_possible_drivers="dsound sdl"
 574   if check_include dsound.h; then
 575     audio_drv_list="dsound"
 576   else
 577     audio_drv_list=""
 578   fi
 579   supported_os="yes"
 580 ;;
 581 GNU/kFreeBSD)
 582   bsd="yes"
 583   audio_drv_list="oss"
 584   audio_possible_drivers="oss sdl pa"
 585 ;;
 586 FreeBSD)
 587   bsd="yes"
 588   make="${MAKE-gmake}"
 589   audio_drv_list="oss"
 590   audio_possible_drivers="oss sdl pa"
 591   # needed for kinfo_getvmmap(3) in libutil.h
 592   LIBS="-lutil $LIBS"
 593   # needed for kinfo_getproc
 594   libs_qga="-lutil $libs_qga"
 595   netmap=""  # enable netmap autodetect
 596   HOST_VARIANT_DIR="freebsd"
 597   supported_os="yes"
 598 ;;
 599 DragonFly)
 600   bsd="yes"
 601   make="${MAKE-gmake}"
 602   audio_drv_list="oss"
 603   audio_possible_drivers="oss sdl pa"
 604   HOST_VARIANT_DIR="dragonfly"
 605 ;;
 606 NetBSD)
 607   bsd="yes"
 608   make="${MAKE-gmake}"
 609   audio_drv_list="oss"
 610   audio_possible_drivers="oss sdl"
 611   oss_lib="-lossaudio"
 612   HOST_VARIANT_DIR="netbsd"
 613 ;;
 614 OpenBSD)
 615   bsd="yes"
 616   make="${MAKE-gmake}"
 617   audio_drv_list="sdl"
 618   audio_possible_drivers="sdl"
 619   HOST_VARIANT_DIR="openbsd"
 620 ;;
 621 Darwin)
 622   bsd="yes"
 623   darwin="yes"
 624   hax="yes"
 625   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 626   if [ "$cpu" = "x86_64" ] ; then
 627     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 628     LDFLAGS="-arch x86_64 $LDFLAGS"
 629   fi
 630   cocoa="yes"
 631   audio_drv_list="coreaudio"
 632   audio_possible_drivers="coreaudio sdl"
 633   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 634   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 635   # Disable attempts to use ObjectiveC features in os/object.h since they
 636   # won't work when we're compiling with gcc as a C compiler.
 637   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 638   HOST_VARIANT_DIR="darwin"
 639   supported_os="yes"
 640 ;;
 641 SunOS)
 642   solaris="yes"
 643   make="${MAKE-gmake}"
 644   install="${INSTALL-ginstall}"
 645   ld="gld"
 646   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 647   needs_libsunmath="no"
 648   solarisrev=$(uname -r | cut -f2 -d.)
 649   if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
 650     if test "$solarisrev" -le 9 ; then
 651       if test -f /opt/SUNWspro/prod/lib/libsunmath.so.1; then
 652         needs_libsunmath="yes"
 653         QEMU_CFLAGS="-I/opt/SUNWspro/prod/include/cc $QEMU_CFLAGS"
 654         LDFLAGS="-L/opt/SUNWspro/prod/lib -R/opt/SUNWspro/prod/lib $LDFLAGS"
 655         LIBS="-lsunmath $LIBS"
 656       else
 657         error_exit "QEMU will not link correctly on Solaris 8/X86 or 9/x86 without" \
 658             "libsunmath from the Sun Studio compilers tools, due to a lack of" \
 659             "C99 math features in libm.so in Solaris 8/x86 and Solaris 9/x86" \
 660             "Studio 11 can be downloaded from www.sun.com."
 661       fi
 662     fi
 663   fi
 664   if test -f /usr/include/sys/soundcard.h ; then
 665     audio_drv_list="oss"
 666   fi
 667   audio_possible_drivers="oss sdl"
 668 # needed for CMSG_ macros in sys/socket.h
 669   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 670 # needed for TIOCWIN* defines in termios.h
 671   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 672   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 673   solarisnetlibs="-lsocket -lnsl -lresolv"
 674   LIBS="$solarisnetlibs $LIBS"
 675   libs_qga="$solarisnetlibs $libs_qga"
 676 ;;
 677 AIX)
 678   aix="yes"
 679   make="${MAKE-gmake}"
 680 ;;
 681 Haiku)
 682   haiku="yes"
 683   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 684   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 685 ;;
 686 Linux)
 687   audio_drv_list="oss"
 688   audio_possible_drivers="oss alsa sdl pa"
 689   linux="yes"
 690   linux_user="yes"
 691   kvm="yes"
 692   vhost_net="yes"
 693   vhost_scsi="yes"
 694   vhost_vsock="yes"
 695   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$(pwd)/linux-headers $QEMU_INCLUDES"
 696   supported_os="yes"
 697 ;;
 698 *)
 699   # This is a fatal error, but don't report it yet, because we
 700   # might be going to just print the --help text, or it might
 701   # be the result of a missing compiler.
 702   bogus_os="yes"
 703 ;;
 704 esac
 705
 706 if [ "$bsd" = "yes" ] ; then
 707   if [ "$darwin" != "yes" ] ; then
 708     bsd_user="yes"
 709   fi
 710 fi
 711
 712 : ${make=${MAKE-make}}
 713 : ${install=${INSTALL-install}}
 714 : ${python=${PYTHON-python}}
 715 : ${smbd=${SMBD-/usr/sbin/smbd}}
 716
 717 # Default objcc to clang if available, otherwise use CC
 718 if has clang; then
 719   objcc=clang
 720 else
 721   objcc="$cc"
 722 fi
 723
 724 if test "$mingw32" = "yes" ; then
 725   EXESUF=".exe"
 726   DSOSUF=".dll"
 727   QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
 728   # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
 729   QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
 730   # MinGW needs -mthreads for TLS and macro _MT.
 731   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 732   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 733   write_c_skeleton;
 734   if compile_prog "" "-liberty" ; then
 735     LIBS="-liberty $LIBS"
 736   fi
 737   prefix="c:/Program Files/QEMU"
 738   mandir="\${prefix}"
 739   datadir="\${prefix}"
 740   qemu_docdir="\${prefix}"
 741   bindir="\${prefix}"
 742   sysconfdir="\${prefix}"
 743   local_statedir=
 744   confsuffix=""
 745   libs_qga="-lws2_32 -lwinmm -lpowrprof -liphlpapi -lnetapi32 $libs_qga"
 746 fi
 747
 748 werror=""
 749
 750 for opt do
 751   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 752   case "$opt" in
 753   --help|-h) show_help=yes
 754   ;;
 755   --version|-V) exec cat $source_path/VERSION
 756   ;;
 757   --prefix=*) prefix="$optarg"
 758   ;;
 759   --interp-prefix=*) interp_prefix="$optarg"
 760   ;;
 761   --source-path=*)
 762   ;;
 763   --cross-prefix=*)
 764   ;;
 765   --cc=*)
 766   ;;
 767   --host-cc=*) host_cc="$optarg"
 768   ;;
 769   --cxx=*)
 770   ;;
 771   --iasl=*) iasl="$optarg"
 772   ;;
 773   --objcc=*) objcc="$optarg"
 774   ;;
 775   --make=*) make="$optarg"
 776   ;;
 777   --install=*) install="$optarg"
 778   ;;
 779   --python=*) python="$optarg"
 780   ;;
 781   --gcov=*) gcov_tool="$optarg"
 782   ;;
 783   --smbd=*) smbd="$optarg"
 784   ;;
 785   --extra-cflags=*)
 786   ;;
 787   --extra-ldflags=*)
 788   ;;
 789   --enable-debug-info)
 790   ;;
 791   --disable-debug-info)
 792   ;;
 793   --enable-modules)
 794       modules="yes"
 795   ;;
 796   --disable-modules)
 797       modules="no"
 798   ;;
 799   --cpu=*)
 800   ;;
 801   --target-list=*) target_list="$optarg"
 802   ;;
 803   --enable-trace-backends=*) trace_backends="$optarg"
 804   ;;
 805   # XXX: backwards compatibility
 806   --enable-trace-backend=*) trace_backends="$optarg"
 807   ;;
 808   --with-trace-file=*) trace_file="$optarg"
 809   ;;
 810   --enable-gprof) gprof="yes"
 811   ;;
 812   --enable-gcov) gcov="yes"
 813   ;;
 814   --static)
 815     static="yes"
 816     LDFLAGS="-static $LDFLAGS"
 817     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
 818   ;;
 819   --mandir=*) mandir="$optarg"
 820   ;;
 821   --bindir=*) bindir="$optarg"
 822   ;;
 823   --libdir=*) libdir="$optarg"
 824   ;;
 825   --libexecdir=*) libexecdir="$optarg"
 826   ;;
 827   --includedir=*) includedir="$optarg"
 828   ;;
 829   --datadir=*) datadir="$optarg"
 830   ;;
 831   --with-confsuffix=*) confsuffix="$optarg"
 832   ;;
 833   --docdir=*) qemu_docdir="$optarg"
 834   ;;
 835   --sysconfdir=*) sysconfdir="$optarg"
 836   ;;
 837   --localstatedir=*) local_statedir="$optarg"
 838   ;;
 839   --sbindir=*|--sharedstatedir=*|\
 840   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
 841   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 842     # These switches are silently ignored, for compatibility with
 843     # autoconf-generated configure scripts. This allows QEMU's
 844     # configure to be used by RPM and similar macros that set
 845     # lots of directory switches by default.
 846   ;;
 847   --with-system-pixman) pixman="system"
 848   ;;
 849   --without-system-pixman) pixman="internal"
 850   ;;
 851   --without-pixman) pixman="none"
 852   ;;
 853   --disable-sdl) sdl="no"
 854   ;;
 855   --enable-sdl) sdl="yes"
 856   ;;
 857   --with-sdlabi=*) sdlabi="$optarg"
 858   ;;
 859   --disable-qom-cast-debug) qom_cast_debug="no"
 860   ;;
 861   --enable-qom-cast-debug) qom_cast_debug="yes"
 862   ;;
 863   --disable-virtfs) virtfs="no"
 864   ;;
 865   --enable-virtfs) virtfs="yes"
 866   ;;
 867   --disable-vnc) vnc="no"
 868   ;;
 869   --enable-vnc) vnc="yes"
 870   ;;
 871   --oss-lib=*) oss_lib="$optarg"
 872   ;;
 873   --audio-drv-list=*) audio_drv_list="$optarg"
 874   ;;
 875   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
 876   ;;
 877   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
 878   ;;
 879   --enable-debug-tcg) debug_tcg="yes"
 880   ;;
 881   --disable-debug-tcg) debug_tcg="no"
 882   ;;
 883   --enable-debug)
 884       # Enable debugging options that aren't excessively noisy
 885       debug_tcg="yes"
 886       debug="yes"
 887       strip_opt="no"
 888       fortify_source="no"
 889   ;;
 890   --enable-sparse) sparse="yes"
 891   ;;
 892   --disable-sparse) sparse="no"
 893   ;;
 894   --disable-strip) strip_opt="no"
 895   ;;
 896   --disable-vnc-sasl) vnc_sasl="no"
 897   ;;
 898   --enable-vnc-sasl) vnc_sasl="yes"
 899   ;;
 900   --disable-vnc-jpeg) vnc_jpeg="no"
 901   ;;
 902   --enable-vnc-jpeg) vnc_jpeg="yes"
 903   ;;
 904   --disable-vnc-png) vnc_png="no"
 905   ;;
 906   --enable-vnc-png) vnc_png="yes"
 907   ;;
 908   --disable-slirp) slirp="no"
 909   ;;
 910   --disable-vde) vde="no"
 911   ;;
 912   --enable-vde) vde="yes"
 913   ;;
 914   --disable-netmap) netmap="no"
 915   ;;
 916   --enable-netmap) netmap="yes"
 917   ;;
 918   --disable-xen) xen="no"
 919   ;;
 920   --enable-xen) xen="yes"
 921   ;;
 922   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
 923   ;;
 924   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
 925   ;;
 926   --disable-xen-pv-domain-build) xen_pv_domain_build="no"
 927   ;;
 928   --enable-xen-pv-domain-build) xen_pv_domain_build="yes"
 929   ;;
 930   --disable-brlapi) brlapi="no"
 931   ;;
 932   --enable-brlapi) brlapi="yes"
 933   ;;
 934   --disable-bluez) bluez="no"
 935   ;;
 936   --enable-bluez) bluez="yes"
 937   ;;
 938   --disable-kvm) kvm="no"
 939   ;;
 940   --enable-kvm) kvm="yes"
 941   ;;
 942   --disable-hax) hax="no"
 943   ;;
 944   --enable-hax) hax="yes"
 945   ;;
 946   --disable-tcg-interpreter) tcg_interpreter="no"
 947   ;;
 948   --enable-tcg-interpreter) tcg_interpreter="yes"
 949   ;;
 950   --disable-cap-ng)  cap_ng="no"
 951   ;;
 952   --enable-cap-ng) cap_ng="yes"
 953   ;;
 954   --disable-spice) spice="no"
 955   ;;
 956   --enable-spice) spice="yes"
 957   ;;
 958   --disable-libiscsi) libiscsi="no"
 959   ;;
 960   --enable-libiscsi) libiscsi="yes"
 961   ;;
 962   --disable-libnfs) libnfs="no"
 963   ;;
 964   --enable-libnfs) libnfs="yes"
 965   ;;
 966   --enable-profiler) profiler="yes"
 967   ;;
 968   --disable-cocoa) cocoa="no"
 969   ;;
 970   --enable-cocoa)
 971       cocoa="yes" ;
 972       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
 973   ;;
 974   --disable-system) softmmu="no"
 975   ;;
 976   --enable-system) softmmu="yes"
 977   ;;
 978   --disable-user)
 979       linux_user="no" ;
 980       bsd_user="no" ;
 981   ;;
 982   --enable-user) ;;
 983   --disable-linux-user) linux_user="no"
 984   ;;
 985   --enable-linux-user) linux_user="yes"
 986   ;;
 987   --disable-bsd-user) bsd_user="no"
 988   ;;
 989   --enable-bsd-user) bsd_user="yes"
 990   ;;
 991   --enable-pie) pie="yes"
 992   ;;
 993   --disable-pie) pie="no"
 994   ;;
 995   --enable-werror) werror="yes"
 996   ;;
 997   --disable-werror) werror="no"
 998   ;;
 999   --enable-stack-protector) stack_protector="yes"
1000   ;;
1001   --disable-stack-protector) stack_protector="no"
1002   ;;
1003   --disable-curses) curses="no"
1004   ;;
1005   --enable-curses) curses="yes"
1006   ;;
1007   --disable-curl) curl="no"
1008   ;;
1009   --enable-curl) curl="yes"
1010   ;;
1011   --disable-fdt) fdt="no"
1012   ;;
1013   --enable-fdt) fdt="yes"
1014   ;;
1015   --disable-linux-aio) linux_aio="no"
1016   ;;
1017   --enable-linux-aio) linux_aio="yes"
1018   ;;
1019   --disable-attr) attr="no"
1020   ;;
1021   --enable-attr) attr="yes"
1022   ;;
1023   --disable-blobs) blobs="no"
1024   ;;
1025   --with-pkgversion=*) pkgversion=" ($optarg)"
1026   ;;
1027   --with-coroutine=*) coroutine="$optarg"
1028   ;;
1029   --disable-coroutine-pool) coroutine_pool="no"
1030   ;;
1031   --enable-coroutine-pool) coroutine_pool="yes"
1032   ;;
1033   --enable-debug-stack-usage) debug_stack_usage="yes"
1034   ;;
1035   --disable-docs) docs="no"
1036   ;;
1037   --enable-docs) docs="yes"
1038   ;;
1039   --disable-vhost-net) vhost_net="no"
1040   ;;
1041   --enable-vhost-net) vhost_net="yes"
1042   ;;
1043   --disable-vhost-scsi) vhost_scsi="no"
1044   ;;
1045   --enable-vhost-scsi) vhost_scsi="yes"
1046   ;;
1047   --disable-vhost-vsock) vhost_vsock="no"
1048   ;;
1049   --enable-vhost-vsock) vhost_vsock="yes"
1050   ;;
1051   --disable-opengl) opengl="no"
1052   ;;
1053   --enable-opengl) opengl="yes"
1054   ;;
1055   --disable-rbd) rbd="no"
1056   ;;
1057   --enable-rbd) rbd="yes"
1058   ;;
1059   --disable-xfsctl) xfs="no"
1060   ;;
1061   --enable-xfsctl) xfs="yes"
1062   ;;
1063   --disable-smartcard) smartcard="no"
1064   ;;
1065   --enable-smartcard) smartcard="yes"
1066   ;;
1067   --disable-libusb) libusb="no"
1068   ;;
1069   --enable-libusb) libusb="yes"
1070   ;;
1071   --disable-usb-redir) usb_redir="no"
1072   ;;
1073   --enable-usb-redir) usb_redir="yes"
1074   ;;
1075   --disable-zlib-test) zlib="no"
1076   ;;
1077   --disable-lzo) lzo="no"
1078   ;;
1079   --enable-lzo) lzo="yes"
1080   ;;
1081   --disable-snappy) snappy="no"
1082   ;;
1083   --enable-snappy) snappy="yes"
1084   ;;
1085   --disable-bzip2) bzip2="no"
1086   ;;
1087   --enable-bzip2) bzip2="yes"
1088   ;;
1089   --enable-guest-agent) guest_agent="yes"
1090   ;;
1091   --disable-guest-agent) guest_agent="no"
1092   ;;
1093   --enable-guest-agent-msi) guest_agent_msi="yes"
1094   ;;
1095   --disable-guest-agent-msi) guest_agent_msi="no"
1096   ;;
1097   --with-vss-sdk) vss_win32_sdk=""
1098   ;;
1099   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1100   ;;
1101   --without-vss-sdk) vss_win32_sdk="no"
1102   ;;
1103   --with-win-sdk) win_sdk=""
1104   ;;
1105   --with-win-sdk=*) win_sdk="$optarg"
1106   ;;
1107   --without-win-sdk) win_sdk="no"
1108   ;;
1109   --enable-tools) want_tools="yes"
1110   ;;
1111   --disable-tools) want_tools="no"
1112   ;;
1113   --enable-seccomp) seccomp="yes"
1114   ;;
1115   --disable-seccomp) seccomp="no"
1116   ;;
1117   --disable-glusterfs) glusterfs="no"
1118   ;;
1119   --enable-glusterfs) glusterfs="yes"
1120   ;;
1121   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1122       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1123   ;;
1124   --enable-vhdx|--disable-vhdx)
1125       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1126   ;;
1127   --enable-uuid|--disable-uuid)
1128       echo "$0: $opt is obsolete, UUID support is always built" >&2
1129   ;;
1130   --disable-gtk) gtk="no"
1131   ;;
1132   --enable-gtk) gtk="yes"
1133   ;;
1134   --tls-priority=*) tls_priority="$optarg"
1135   ;;
1136   --disable-gnutls) gnutls="no"
1137   ;;
1138   --enable-gnutls) gnutls="yes"
1139   ;;
1140   --disable-nettle) nettle="no"
1141   ;;
1142   --enable-nettle) nettle="yes"
1143   ;;
1144   --disable-gcrypt) gcrypt="no"
1145   ;;
1146   --enable-gcrypt) gcrypt="yes"
1147   ;;
1148   --enable-rdma) rdma="yes"
1149   ;;
1150   --disable-rdma) rdma="no"
1151   ;;
1152   --with-gtkabi=*) gtkabi="$optarg"
1153   ;;
1154   --disable-vte) vte="no"
1155   ;;
1156   --enable-vte) vte="yes"
1157   ;;
1158   --disable-virglrenderer) virglrenderer="no"
1159   ;;
1160   --enable-virglrenderer) virglrenderer="yes"
1161   ;;
1162   --disable-tpm) tpm="no"
1163   ;;
1164   --enable-tpm) tpm="yes"
1165   ;;
1166   --disable-libssh2) libssh2="no"
1167   ;;
1168   --enable-libssh2) libssh2="yes"
1169   ;;
1170   --disable-numa) numa="no"
1171   ;;
1172   --enable-numa) numa="yes"
1173   ;;
1174   --disable-tcmalloc) tcmalloc="no"
1175   ;;
1176   --enable-tcmalloc) tcmalloc="yes"
1177   ;;
1178   --disable-jemalloc) jemalloc="no"
1179   ;;
1180   --enable-jemalloc) jemalloc="yes"
1181   ;;
1182   --disable-replication) replication="no"
1183   ;;
1184   --enable-replication) replication="yes"
1185   ;;
1186   *)
1187       echo "ERROR: unknown option $opt"
1188       echo "Try '$0 --help' for more information"
1189       exit 1
1190   ;;
1191   esac
1192 done
1193
1194 if ! has $python; then
1195   error_exit "Python not found. Use --python=/path/to/python"
1196 fi
1197
1198 # Note that if the Python conditional here evaluates True we will exit
1199 # with status 1 which is a shell 'false' value.
1200 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,6) or sys.version_info >= (3,))'; then
1201   error_exit "Cannot use '$python', Python 2.6 or later is required." \
1202       "Note that Python 3 or later is not yet supported." \
1203       "Use --python=/path/to/python to specify a supported Python."
1204 fi
1205
1206 # Suppress writing compiled files
1207 python="$python -B"
1208
1209 case "$cpu" in
1210     ppc)
1211            CPU_CFLAGS="-m32"
1212            LDFLAGS="-m32 $LDFLAGS"
1213            ;;
1214     ppc64)
1215            CPU_CFLAGS="-m64"
1216            LDFLAGS="-m64 $LDFLAGS"
1217            ;;
1218     sparc)
1219            LDFLAGS="-m32 $LDFLAGS"
1220            CPU_CFLAGS="-m32 -mcpu=ultrasparc"
1221            ;;
1222     sparc64)
1223            LDFLAGS="-m64 $LDFLAGS"
1224            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1225            ;;
1226     s390)
1227            CPU_CFLAGS="-m31"
1228            LDFLAGS="-m31 $LDFLAGS"
1229            ;;
1230     s390x)
1231            CPU_CFLAGS="-m64"
1232            LDFLAGS="-m64 $LDFLAGS"
1233            ;;
1234     i386)
1235            CPU_CFLAGS="-m32"
1236            LDFLAGS="-m32 $LDFLAGS"
1237            cc_i386='$(CC) -m32'
1238            ;;
1239     x86_64)
1240            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1241            # If we truly care, we should simply detect this case at
1242            # runtime and generate the fallback to serial emulation.
1243            CPU_CFLAGS="-m64 -mcx16"
1244            LDFLAGS="-m64 $LDFLAGS"
1245            cc_i386='$(CC) -m32'
1246            ;;
1247     x32)
1248            CPU_CFLAGS="-mx32"
1249            LDFLAGS="-mx32 $LDFLAGS"
1250            cc_i386='$(CC) -m32'
1251            ;;
1252     # No special flags required for other host CPUs
1253 esac
1254
1255 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1256 EXTRA_CFLAGS="$CPU_CFLAGS $EXTRA_CFLAGS"
1257
1258 # For user-mode emulation the host arch has to be one we explicitly
1259 # support, even if we're using TCI.
1260 if [ "$ARCH" = "unknown" ]; then
1261   bsd_user="no"
1262   linux_user="no"
1263 fi
1264
1265 default_target_list=""
1266
1267 mak_wilds=""
1268
1269 if [ "$softmmu" = "yes" ]; then
1270     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1271 fi
1272 if [ "$linux_user" = "yes" ]; then
1273     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1274 fi
1275 if [ "$bsd_user" = "yes" ]; then
1276     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1277 fi
1278
1279 for config in $mak_wilds; do
1280     default_target_list="${default_target_list} $(basename "$config" .mak)"
1281 done
1282
1283 if test x"$show_help" = x"yes" ; then
1284 cat << EOF
1285
1286 Usage: configure [options]
1287 Options: [defaults in brackets after descriptions]
1288
1289 Standard options:
1290   --help                   print this message
1291   --prefix=PREFIX          install in PREFIX [$prefix]
1292   --interp-prefix=PREFIX   where to find shared libraries, etc.
1293                            use %M for cpu name [$interp_prefix]
1294   --target-list=LIST       set target list (default: build everything)
1295 $(echo Available targets: $default_target_list | \
1296   fold -s -w 53 | sed -e 's/^/                           /')
1297
1298 Advanced options (experts only):
1299   --source-path=PATH       path of source code [$source_path]
1300   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1301   --cc=CC                  use C compiler CC [$cc]
1302   --iasl=IASL              use ACPI compiler IASL [$iasl]
1303   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1304                            build time
1305   --cxx=CXX                use C++ compiler CXX [$cxx]
1306   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1307   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1308   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1309   --make=MAKE              use specified make [$make]
1310   --install=INSTALL        use specified install [$install]
1311   --python=PYTHON          use specified python [$python]
1312   --smbd=SMBD              use specified smbd [$smbd]
1313   --static                 enable static build [$static]
1314   --mandir=PATH            install man pages in PATH
1315   --datadir=PATH           install firmware in PATH$confsuffix
1316   --docdir=PATH            install documentation in PATH$confsuffix
1317   --bindir=PATH            install binaries in PATH
1318   --libdir=PATH            install libraries in PATH
1319   --sysconfdir=PATH        install config in PATH$confsuffix
1320   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1321   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1322   --enable-debug           enable common debug build options
1323   --disable-strip          disable stripping binaries
1324   --disable-werror         disable compilation abort on warning
1325   --disable-stack-protector disable compiler-provided stack protection
1326   --audio-drv-list=LIST    set audio drivers list:
1327                            Available drivers: $audio_possible_drivers
1328   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1329   --block-drv-rw-whitelist=L
1330                            set block driver read-write whitelist
1331                            (affects only QEMU, not qemu-img)
1332   --block-drv-ro-whitelist=L
1333                            set block driver read-only whitelist
1334                            (affects only QEMU, not qemu-img)
1335   --enable-trace-backends=B Set trace backend
1336                            Available backends: $($python $source_path/scripts/tracetool.py --list-backends)
1337   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1338                            Default:trace-<pid>
1339   --disable-slirp          disable SLIRP userspace network connectivity
1340   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1341   --oss-lib                path to OSS library
1342   --cpu=CPU                Build for host CPU [$cpu]
1343   --with-coroutine=BACKEND coroutine backend. Supported options:
1344                            gthread, ucontext, sigaltstack, windows
1345   --enable-gcov            enable test coverage analysis with gcov
1346   --gcov=GCOV              use specified gcov [$gcov_tool]
1347   --disable-blobs          disable installing provided firmware blobs
1348   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1349   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1350   --tls-priority           default TLS protocol/cipher priority string
1351   --enable-gprof           QEMU profiling with gprof
1352   --enable-profiler        profiler support
1353   --enable-xen-pv-domain-build
1354                            xen pv domain builder
1355   --enable-debug-stack-usage
1356                            track the maximum stack usage of stacks created by qemu_alloc_stack
1357
1358 Optional features, enabled with --enable-FEATURE and
1359 disabled with --disable-FEATURE, default is enabled if available:
1360
1361   system          all system emulation targets
1362   user            supported user emulation targets
1363   linux-user      all linux usermode emulation targets
1364   bsd-user        all BSD usermode emulation targets
1365   docs            build documentation
1366   guest-agent     build the QEMU Guest Agent
1367   guest-agent-msi build guest agent Windows MSI installation package
1368   pie             Position Independent Executables
1369   modules         modules support
1370   debug-tcg       TCG debugging (default is disabled)
1371   debug-info      debugging information
1372   sparse          sparse checker
1373
1374   gnutls          GNUTLS cryptography support
1375   nettle          nettle cryptography support
1376   gcrypt          libgcrypt cryptography support
1377   sdl             SDL UI
1378   --with-sdlabi     select preferred SDL ABI 1.2 or 2.0
1379   gtk             gtk UI
1380   --with-gtkabi     select preferred GTK ABI 2.0 or 3.0
1381   vte             vte support for the gtk UI
1382   curses          curses UI
1383   vnc             VNC UI support
1384   vnc-sasl        SASL encryption for VNC server
1385   vnc-jpeg        JPEG lossy compression for VNC server
1386   vnc-png         PNG compression for VNC server
1387   cocoa           Cocoa UI (Mac OS X only)
1388   virtfs          VirtFS
1389   xen             xen backend driver support
1390   xen-pci-passthrough
1391   brlapi          BrlAPI (Braile)
1392   curl            curl connectivity
1393   fdt             fdt device tree
1394   bluez           bluez stack connectivity
1395   kvm             KVM acceleration support
1396   hax             HAX acceleration support
1397   rdma            RDMA-based migration support
1398   vde             support for vde network
1399   netmap          support for netmap network
1400   linux-aio       Linux AIO support
1401   cap-ng          libcap-ng support
1402   attr            attr and xattr support
1403   vhost-net       vhost-net acceleration support
1404   spice           spice
1405   rbd             rados block device (rbd)
1406   libiscsi        iscsi support
1407   libnfs          nfs support
1408   smartcard       smartcard support (libcacard)
1409   libusb          libusb (for usb passthrough)
1410   usb-redir       usb network redirection support
1411   lzo             support of lzo compression library
1412   snappy          support of snappy compression library
1413   bzip2           support of bzip2 compression library
1414                   (for reading bzip2-compressed dmg images)
1415   seccomp         seccomp support
1416   coroutine-pool  coroutine freelist (better performance)
1417   glusterfs       GlusterFS backend
1418   tpm             TPM support
1419   libssh2         ssh block device support
1420   numa            libnuma support
1421   tcmalloc        tcmalloc support
1422   jemalloc        jemalloc support
1423   replication     replication support
1424   vhost-vsock     virtio sockets device support
1425   opengl          opengl support
1426   virglrenderer   virgl rendering support
1427   xfsctl          xfsctl support
1428   qom-cast-debug  cast debugging support
1429   tools           build qemu-io, qemu-nbd and qemu-image tools
1430
1431 NOTE: The object files are built at the place where configure is launched
1432 EOF
1433 exit 0
1434 fi
1435
1436 # Now we have handled --enable-tcg-interpreter and know we're not just
1437 # printing the help message, bail out if the host CPU isn't supported.
1438 if test "$ARCH" = "unknown"; then
1439     if test "$tcg_interpreter" = "yes" ; then
1440         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1441     else
1442         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1443     fi
1444 fi
1445
1446 # Consult white-list to determine whether to enable werror
1447 # by default.  Only enable by default for git builds
1448 if test -z "$werror" ; then
1449     if test -d "$source_path/.git" -a \
1450         \( "$linux" = "yes" -o "$mingw32" = "yes" \) ; then
1451         werror="yes"
1452     else
1453         werror="no"
1454     fi
1455 fi
1456
1457 # check that the C compiler works.
1458 write_c_skeleton;
1459 if compile_object ; then
1460   : C compiler works ok
1461 else
1462     error_exit "\"$cc\" either does not exist or does not work"
1463 fi
1464 if ! compile_prog ; then
1465     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1466 fi
1467
1468 if test "$bogus_os" = "yes"; then
1469     # Now that we know that we're not printing the help and that
1470     # the compiler works (so the results of the check_defines we used
1471     # to identify the OS are reliable), if we didn't recognize the
1472     # host OS we should stop now.
1473     error_exit "Unrecognized host OS $targetos"
1474 fi
1475
1476 # Check that the C++ compiler exists and works with the C compiler
1477 if has $cxx; then
1478     cat > $TMPC <<EOF
1479 int c_function(void);
1480 int main(void) { return c_function(); }
1481 EOF
1482
1483     compile_object
1484
1485     cat > $TMPCXX <<EOF
1486 extern "C" {
1487    int c_function(void);
1488 }
1489 int c_function(void) { return 42; }
1490 EOF
1491
1492     update_cxxflags
1493
1494     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
1495         # C++ compiler $cxx works ok with C compiler $cc
1496         :
1497     else
1498         echo "C++ compiler $cxx does not work with C compiler $cc"
1499         echo "Disabling C++ specific optional code"
1500         cxx=
1501     fi
1502 else
1503     echo "No C++ compiler available; disabling C++ specific optional code"
1504     cxx=
1505 fi
1506
1507 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1508 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1509 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1510 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1511 gcc_flags="-Wno-initializer-overrides $gcc_flags"
1512 gcc_flags="-Wno-string-plus-int $gcc_flags"
1513 # Note that we do not add -Werror to gcc_flags here, because that would
1514 # enable it for all configure tests. If a configure test failed due
1515 # to -Werror this would just silently disable some features,
1516 # so it's too error prone.
1517
1518 cc_has_warning_flag() {
1519     write_c_skeleton;
1520
1521     # Use the positive sense of the flag when testing for -Wno-wombat
1522     # support (gcc will happily accept the -Wno- form of unknown
1523     # warning options).
1524     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1525     compile_prog "-Werror $optflag" ""
1526 }
1527
1528 for flag in $gcc_flags; do
1529     if cc_has_warning_flag $flag ; then
1530         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1531     fi
1532 done
1533
1534 if test "$stack_protector" != "no"; then
1535   cat > $TMPC << EOF
1536 int main(int argc, char *argv[])
1537 {
1538     char arr[64], *p = arr, *c = argv[0];
1539     while (*c) {
1540         *p++ = *c++;
1541     }
1542     return 0;
1543 }
1544 EOF
1545   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1546   sp_on=0
1547   for flag in $gcc_flags; do
1548     # We need to check both a compile and a link, since some compiler
1549     # setups fail only on a .c->.o compile and some only at link time
1550     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1551        compile_prog "-Werror $flag" ""; then
1552       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1553       sp_on=1
1554       break
1555     fi
1556   done
1557   if test "$stack_protector" = yes; then
1558     if test $sp_on = 0; then
1559       error_exit "Stack protector not supported"
1560     fi
1561   fi
1562 fi
1563
1564 # Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC and
1565 # large functions that use global variables.  The bug is in all releases of
1566 # GCC, but it became particularly acute in 4.6.x and 4.7.x.  It is fixed in
1567 # 4.7.3 and 4.8.0.  We should be able to delete this at the end of 2013.
1568 cat > $TMPC << EOF
1569 #if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
1570 int main(void) { return 0; }
1571 #else
1572 #error No bug in this compiler.
1573 #endif
1574 EOF
1575 if compile_prog "-Werror -fno-gcse" "" ; then
1576   TRANSLATE_OPT_CFLAGS=-fno-gcse
1577 fi
1578
1579 if test "$static" = "yes" ; then
1580   if test "$modules" = "yes" ; then
1581     error_exit "static and modules are mutually incompatible"
1582   fi
1583   if test "$pie" = "yes" ; then
1584     error_exit "static and pie are mutually incompatible"
1585   else
1586     pie="no"
1587   fi
1588 fi
1589
1590 # Unconditional check for compiler __thread support
1591   cat > $TMPC << EOF
1592 static __thread int tls_var;
1593 int main(void) { return tls_var; }
1594 EOF
1595
1596 if ! compile_prog "-Werror" "" ; then
1597     error_exit "Your compiler does not support the __thread specifier for " \
1598         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1599 fi
1600
1601 if test "$pie" = ""; then
1602   case "$cpu-$targetos" in
1603     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1604       ;;
1605     *)
1606       pie="no"
1607       ;;
1608   esac
1609 fi
1610
1611 if test "$pie" != "no" ; then
1612   cat > $TMPC << EOF
1613
1614 #ifdef __linux__
1615 #  define THREAD __thread
1616 #else
1617 #  define THREAD
1618 #endif
1619
1620 static THREAD int tls_var;
1621
1622 int main(void) { return tls_var; }
1623
1624 EOF
1625   if compile_prog "-fPIE -DPIE" "-pie"; then
1626     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1627     LDFLAGS="-pie $LDFLAGS"
1628     pie="yes"
1629     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1630       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
1631     fi
1632   else
1633     if test "$pie" = "yes"; then
1634       error_exit "PIE not available due to missing toolchain support"
1635     else
1636       echo "Disabling PIE due to missing toolchain support"
1637       pie="no"
1638     fi
1639   fi
1640
1641   if compile_prog "-Werror -fno-pie" "-nopie"; then
1642     CFLAGS_NOPIE="-fno-pie"
1643     LDFLAGS_NOPIE="-nopie"
1644   fi
1645 fi
1646
1647 ##########################################
1648 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1649 # use i686 as default anyway, but for those that don't, an explicit
1650 # specification is necessary
1651
1652 if test "$cpu" = "i386"; then
1653   cat > $TMPC << EOF
1654 static int sfaa(int *ptr)
1655 {
1656   return __sync_fetch_and_and(ptr, 0);
1657 }
1658
1659 int main(void)
1660 {
1661   int val = 42;
1662   val = __sync_val_compare_and_swap(&val, 0, 1);
1663   sfaa(&val);
1664   return val;
1665 }
1666 EOF
1667   if ! compile_prog "" "" ; then
1668     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1669   fi
1670 fi
1671
1672 #########################################
1673 # Solaris specific configure tool chain decisions
1674
1675 if test "$solaris" = "yes" ; then
1676   if has $install; then
1677     :
1678   else
1679     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
1680         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
1681         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
1682   fi
1683   if test "$(path_of $install)" = "/usr/sbin/install" ; then
1684     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
1685         "try ginstall from the GNU fileutils available from www.blastwave.org" \
1686         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
1687   fi
1688   if has ar; then
1689     :
1690   else
1691     if test -f /usr/ccs/bin/ar ; then
1692       error_exit "No path includes ar" \
1693           "Add /usr/ccs/bin to your path and rerun configure"
1694     fi
1695     error_exit "No path includes ar"
1696   fi
1697 fi
1698
1699 if test -z "${target_list+xxx}" ; then
1700     target_list="$default_target_list"
1701 else
1702     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1703 fi
1704
1705 # Check that we recognised the target name; this allows a more
1706 # friendly error message than if we let it fall through.
1707 for target in $target_list; do
1708     case " $default_target_list " in
1709         *" $target "*)
1710             ;;
1711         *)
1712             error_exit "Unknown target name '$target'"
1713             ;;
1714     esac
1715 done
1716
1717 # see if system emulation was really requested
1718 case " $target_list " in
1719   *"-softmmu "*) softmmu=yes
1720   ;;
1721   *) softmmu=no
1722   ;;
1723 esac
1724
1725 feature_not_found() {
1726   feature=$1
1727   remedy=$2
1728
1729   error_exit "User requested feature $feature" \
1730       "configure was not able to find it." \
1731       "$remedy"
1732 }
1733
1734 # ---
1735 # big/little endian test
1736 cat > $TMPC << EOF
1737 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1738 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
1739 extern int foo(short *, short *);
1740 int main(int argc, char *argv[]) {
1741     return foo(big_endian, little_endian);
1742 }
1743 EOF
1744
1745 if compile_object ; then
1746     if grep -q BiGeNdIaN $TMPO ; then
1747         bigendian="yes"
1748     elif grep -q LiTtLeEnDiAn $TMPO ; then
1749         bigendian="no"
1750     else
1751         echo big/little test failed
1752     fi
1753 else
1754     echo big/little test failed
1755 fi
1756
1757 ##########################################
1758 # cocoa implies not SDL or GTK
1759 # (the cocoa UI code currently assumes it is always the active UI
1760 # and doesn't interact well with other UI frontend code)
1761 if test "$cocoa" = "yes"; then
1762     if test "$sdl" = "yes"; then
1763         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
1764     fi
1765     if test "$gtk" = "yes"; then
1766         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
1767     fi
1768     gtk=no
1769     sdl=no
1770 fi
1771
1772 # Some versions of Mac OS X incorrectly define SIZE_MAX
1773 cat > $TMPC << EOF
1774 #include <stdint.h>
1775 #include <stdio.h>
1776 int main(int argc, char *argv[]) {
1777     return printf("%zu", SIZE_MAX);
1778 }
1779 EOF
1780 have_broken_size_max=no
1781 if ! compile_object -Werror ; then
1782     have_broken_size_max=yes
1783 fi
1784
1785 ##########################################
1786 # L2TPV3 probe
1787
1788 cat > $TMPC <<EOF
1789 #include <sys/socket.h>
1790 #include <linux/ip.h>
1791 int main(void) { return sizeof(struct mmsghdr); }
1792 EOF
1793 if compile_prog "" "" ; then
1794   l2tpv3=yes
1795 else
1796   l2tpv3=no
1797 fi
1798
1799 ##########################################
1800 # MinGW / Mingw-w64 localtime_r/gmtime_r check
1801
1802 if test "$mingw32" = "yes"; then
1803     # Some versions of MinGW / Mingw-w64 lack localtime_r
1804     # and gmtime_r entirely.
1805     #
1806     # Some versions of Mingw-w64 define a macro for
1807     # localtime_r/gmtime_r.
1808     #
1809     # Some versions of Mingw-w64 will define functions
1810     # for localtime_r/gmtime_r, but only if you have
1811     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
1812     # though, unistd.h and pthread.h both define
1813     # that for you.
1814     #
1815     # So this #undef localtime_r and #include <unistd.h>
1816     # are not in fact redundant.
1817 cat > $TMPC << EOF
1818 #include <unistd.h>
1819 #include <time.h>
1820 #undef localtime_r
1821 int main(void) { localtime_r(NULL, NULL); return 0; }
1822 EOF
1823     if compile_prog "" "" ; then
1824         localtime_r="yes"
1825     else
1826         localtime_r="no"
1827     fi
1828 fi
1829
1830 ##########################################
1831 # pkg-config probe
1832
1833 if ! has "$pkg_config_exe"; then
1834   error_exit "pkg-config binary '$pkg_config_exe' not found"
1835 fi
1836
1837 ##########################################
1838 # NPTL probe
1839
1840 if test "$linux_user" = "yes"; then
1841   cat > $TMPC <<EOF
1842 #include <sched.h>
1843 #include <linux/futex.h>
1844 int main(void) {
1845 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
1846 #error bork
1847 #endif
1848   return 0;
1849 }
1850 EOF
1851   if ! compile_object ; then
1852     feature_not_found "nptl" "Install glibc and linux kernel headers."
1853   fi
1854 fi
1855
1856 ##########################################
1857 # avx2 optimization requirement check
1858
1859 cat > $TMPC << EOF
1860 #pragma GCC push_options
1861 #pragma GCC target("avx2")
1862 #include <cpuid.h>
1863 #include <immintrin.h>
1864 static int bar(void *a) {
1865     __m256i x = *(__m256i *)a;
1866     return _mm256_testz_si256(x, x);
1867 }
1868 int main(int argc, char *argv[]) { return bar(argv[0]); }
1869 EOF
1870 if compile_object "" ; then
1871   avx2_opt="yes"
1872 fi
1873
1874 #########################################
1875 # zlib check
1876
1877 if test "$zlib" != "no" ; then
1878     cat > $TMPC << EOF
1879 #include <zlib.h>
1880 int main(void) { zlibVersion(); return 0; }
1881 EOF
1882     if compile_prog "" "-lz" ; then
1883         :
1884     else
1885         error_exit "zlib check failed" \
1886             "Make sure to have the zlib libs and headers installed."
1887     fi
1888 fi
1889 LIBS="$LIBS -lz"
1890
1891 ##########################################
1892 # lzo check
1893
1894 if test "$lzo" != "no" ; then
1895     cat > $TMPC << EOF
1896 #include <lzo/lzo1x.h>
1897 int main(void) { lzo_version(); return 0; }
1898 EOF
1899     if compile_prog "" "-llzo2" ; then
1900         libs_softmmu="$libs_softmmu -llzo2"
1901         lzo="yes"
1902     else
1903         if test "$lzo" = "yes"; then
1904             feature_not_found "liblzo2" "Install liblzo2 devel"
1905         fi
1906         lzo="no"
1907     fi
1908 fi
1909
1910 ##########################################
1911 # snappy check
1912
1913 if test "$snappy" != "no" ; then
1914     cat > $TMPC << EOF
1915 #include <snappy-c.h>
1916 int main(void) { snappy_max_compressed_length(4096); return 0; }
1917 EOF
1918     if compile_prog "" "-lsnappy" ; then
1919         libs_softmmu="$libs_softmmu -lsnappy"
1920         snappy="yes"
1921     else
1922         if test "$snappy" = "yes"; then
1923             feature_not_found "libsnappy" "Install libsnappy devel"
1924         fi
1925         snappy="no"
1926     fi
1927 fi
1928
1929 ##########################################
1930 # bzip2 check
1931
1932 if test "$bzip2" != "no" ; then
1933     cat > $TMPC << EOF
1934 #include <bzlib.h>
1935 int main(void) { BZ2_bzlibVersion(); return 0; }
1936 EOF
1937     if compile_prog "" "-lbz2" ; then
1938         bzip2="yes"
1939     else
1940         if test "$bzip2" = "yes"; then
1941             feature_not_found "libbzip2" "Install libbzip2 devel"
1942         fi
1943         bzip2="no"
1944     fi
1945 fi
1946
1947 ##########################################
1948 # libseccomp check
1949
1950 if test "$seccomp" != "no" ; then
1951     case "$cpu" in
1952     i386|x86_64)
1953         libseccomp_minver="2.1.0"
1954         ;;
1955     mips)
1956         libseccomp_minver="2.2.0"
1957         ;;
1958     arm|aarch64)
1959         libseccomp_minver="2.2.3"
1960         ;;
1961     ppc|ppc64)
1962         libseccomp_minver="2.3.0"
1963         ;;
1964     *)
1965         libseccomp_minver=""
1966         ;;
1967     esac
1968
1969     if test "$libseccomp_minver" != "" &&
1970        $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
1971         libs_softmmu="$libs_softmmu $($pkg_config --libs libseccomp)"
1972         QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags libseccomp)"
1973         seccomp="yes"
1974     else
1975         if test "$seccomp" = "yes" ; then
1976             if test "$libseccomp_minver" != "" ; then
1977                 feature_not_found "libseccomp" \
1978                     "Install libseccomp devel >= $libseccomp_minver"
1979             else
1980                 feature_not_found "libseccomp" \
1981                     "libseccomp is not supported for host cpu $cpu"
1982             fi
1983         fi
1984         seccomp="no"
1985     fi
1986 fi
1987 ##########################################
1988 # xen probe
1989
1990 if test "$xen" != "no" ; then
1991   xen_libs="-lxenstore -lxenctrl -lxenguest"
1992   xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
1993
1994   # First we test whether Xen headers and libraries are available.
1995   # If no, we are done and there is no Xen support.
1996   # If yes, more tests are run to detect the Xen version.
1997
1998   # Xen (any)
1999   cat > $TMPC <<EOF
2000 #include <xenctrl.h>
2001 int main(void) {
2002   return 0;
2003 }
2004 EOF
2005   if ! compile_prog "" "$xen_libs" ; then
2006     # Xen not found
2007     if test "$xen" = "yes" ; then
2008       feature_not_found "xen" "Install xen devel"
2009     fi
2010     xen=no
2011
2012   # Xen unstable
2013   elif
2014       cat > $TMPC <<EOF &&
2015 /*
2016  * If we have stable libs the we don't want the libxc compat
2017  * layers, regardless of what CFLAGS we may have been given.
2018  *
2019  * Also, check if xengnttab_grant_copy_segment_t is defined and
2020  * grant copy operation is implemented.
2021  */
2022 #undef XC_WANT_COMPAT_EVTCHN_API
2023 #undef XC_WANT_COMPAT_GNTTAB_API
2024 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2025 #include <xenctrl.h>
2026 #include <xenstore.h>
2027 #include <xenevtchn.h>
2028 #include <xengnttab.h>
2029 #include <xenforeignmemory.h>
2030 #include <stdint.h>
2031 #include <xen/hvm/hvm_info_table.h>
2032 #if !defined(HVM_MAX_VCPUS)
2033 # error HVM_MAX_VCPUS not defined
2034 #endif
2035 int main(void) {
2036   xc_interface *xc = NULL;
2037   xenforeignmemory_handle *xfmem;
2038   xenevtchn_handle *xe;
2039   xengnttab_handle *xg;
2040   xen_domain_handle_t handle;
2041   xengnttab_grant_copy_segment_t* seg = NULL;
2042
2043   xs_daemon_open();
2044
2045   xc = xc_interface_open(0, 0, 0);
2046   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2047   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2048   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2049   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2050   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2051
2052   xfmem = xenforeignmemory_open(0, 0);
2053   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2054
2055   xe = xenevtchn_open(0, 0);
2056   xenevtchn_fd(xe);
2057
2058   xg = xengnttab_open(0, 0);
2059   xengnttab_grant_copy(xg, 0, seg);
2060
2061   return 0;
2062 }
2063 EOF
2064       compile_prog "" "$xen_libs $xen_stable_libs"
2065     then
2066     xen_ctrl_version=480
2067     xen=yes
2068   elif
2069       cat > $TMPC <<EOF &&
2070 /*
2071  * If we have stable libs the we don't want the libxc compat
2072  * layers, regardless of what CFLAGS we may have been given.
2073  */
2074 #undef XC_WANT_COMPAT_EVTCHN_API
2075 #undef XC_WANT_COMPAT_GNTTAB_API
2076 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2077 #include <xenctrl.h>
2078 #include <xenstore.h>
2079 #include <xenevtchn.h>
2080 #include <xengnttab.h>
2081 #include <xenforeignmemory.h>
2082 #include <stdint.h>
2083 #include <xen/hvm/hvm_info_table.h>
2084 #if !defined(HVM_MAX_VCPUS)
2085 # error HVM_MAX_VCPUS not defined
2086 #endif
2087 int main(void) {
2088   xc_interface *xc = NULL;
2089   xenforeignmemory_handle *xfmem;
2090   xenevtchn_handle *xe;
2091   xengnttab_handle *xg;
2092   xen_domain_handle_t handle;
2093
2094   xs_daemon_open();
2095
2096   xc = xc_interface_open(0, 0, 0);
2097   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2098   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2099   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2100   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2101   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2102
2103   xfmem = xenforeignmemory_open(0, 0);
2104   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2105
2106   xe = xenevtchn_open(0, 0);
2107   xenevtchn_fd(xe);
2108
2109   xg = xengnttab_open(0, 0);
2110   xengnttab_map_grant_ref(xg, 0, 0, 0);
2111
2112   return 0;
2113 }
2114 EOF
2115       compile_prog "" "$xen_libs $xen_stable_libs"
2116     then
2117     xen_ctrl_version=471
2118     xen=yes
2119   elif
2120       cat > $TMPC <<EOF &&
2121 #include <xenctrl.h>
2122 #include <stdint.h>
2123 int main(void) {
2124   xc_interface *xc = NULL;
2125   xen_domain_handle_t handle;
2126   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2127   return 0;
2128 }
2129 EOF
2130       compile_prog "" "$xen_libs"
2131     then
2132     xen_ctrl_version=470
2133     xen=yes
2134
2135   # Xen 4.6
2136   elif
2137       cat > $TMPC <<EOF &&
2138 #include <xenctrl.h>
2139 #include <xenstore.h>
2140 #include <stdint.h>
2141 #include <xen/hvm/hvm_info_table.h>
2142 #if !defined(HVM_MAX_VCPUS)
2143 # error HVM_MAX_VCPUS not defined
2144 #endif
2145 int main(void) {
2146   xc_interface *xc;
2147   xs_daemon_open();
2148   xc = xc_interface_open(0, 0, 0);
2149   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2150   xc_gnttab_open(NULL, 0);
2151   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2152   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2153   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2154   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2155   return 0;
2156 }
2157 EOF
2158       compile_prog "" "$xen_libs"
2159     then
2160     xen_ctrl_version=460
2161     xen=yes
2162
2163   # Xen 4.5
2164   elif
2165       cat > $TMPC <<EOF &&
2166 #include <xenctrl.h>
2167 #include <xenstore.h>
2168 #include <stdint.h>
2169 #include <xen/hvm/hvm_info_table.h>
2170 #if !defined(HVM_MAX_VCPUS)
2171 # error HVM_MAX_VCPUS not defined
2172 #endif
2173 int main(void) {
2174   xc_interface *xc;
2175   xs_daemon_open();
2176   xc = xc_interface_open(0, 0, 0);
2177   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2178   xc_gnttab_open(NULL, 0);
2179   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2180   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2181   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2182   return 0;
2183 }
2184 EOF
2185       compile_prog "" "$xen_libs"
2186     then
2187     xen_ctrl_version=450
2188     xen=yes
2189
2190   elif
2191       cat > $TMPC <<EOF &&
2192 #include <xenctrl.h>
2193 #include <xenstore.h>
2194 #include <stdint.h>
2195 #include <xen/hvm/hvm_info_table.h>
2196 #if !defined(HVM_MAX_VCPUS)
2197 # error HVM_MAX_VCPUS not defined
2198 #endif
2199 int main(void) {
2200   xc_interface *xc;
2201   xs_daemon_open();
2202   xc = xc_interface_open(0, 0, 0);
2203   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2204   xc_gnttab_open(NULL, 0);
2205   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2206   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2207   return 0;
2208 }
2209 EOF
2210       compile_prog "" "$xen_libs"
2211     then
2212     xen_ctrl_version=420
2213     xen=yes
2214
2215   else
2216     if test "$xen" = "yes" ; then
2217       feature_not_found "xen (unsupported version)" \
2218                         "Install a supported xen (xen 4.2 or newer)"
2219     fi
2220     xen=no
2221   fi
2222
2223   if test "$xen" = yes; then
2224     if test $xen_ctrl_version -ge 471  ; then
2225       libs_softmmu="$xen_stable_libs $libs_softmmu"
2226     fi
2227     libs_softmmu="$xen_libs $libs_softmmu"
2228   fi
2229 fi
2230
2231 if test "$xen_pci_passthrough" != "no"; then
2232   if test "$xen" = "yes" && test "$linux" = "yes"; then
2233     xen_pci_passthrough=yes
2234   else
2235     if test "$xen_pci_passthrough" = "yes"; then
2236       error_exit "User requested feature Xen PCI Passthrough" \
2237           " but this feature requires /sys from Linux"
2238     fi
2239     xen_pci_passthrough=no
2240   fi
2241 fi
2242
2243 if test "$xen_pv_domain_build" = "yes" &&
2244    test "$xen" != "yes"; then
2245     error_exit "User requested Xen PV domain builder support" \
2246                "which requires Xen support."
2247 fi
2248
2249 ##########################################
2250 # Sparse probe
2251 if test "$sparse" != "no" ; then
2252   if has cgcc; then
2253     sparse=yes
2254   else
2255     if test "$sparse" = "yes" ; then
2256       feature_not_found "sparse" "Install sparse binary"
2257     fi
2258     sparse=no
2259   fi
2260 fi
2261
2262 ##########################################
2263 # X11 probe
2264 x11_cflags=
2265 x11_libs=-lX11
2266 if $pkg_config --exists "x11"; then
2267     x11_cflags=$($pkg_config --cflags x11)
2268     x11_libs=$($pkg_config --libs x11)
2269 fi
2270
2271 ##########################################
2272 # GTK probe
2273
2274 if test "$gtkabi" = ""; then
2275     # The GTK ABI was not specified explicitly, so try whether 2.0 is available.
2276     # Use 3.0 as a fallback if that is available.
2277     if $pkg_config --exists "gtk+-2.0 >= 2.18.0"; then
2278         gtkabi=2.0
2279     elif $pkg_config --exists "gtk+-3.0 >= 3.0.0"; then
2280         gtkabi=3.0
2281     else
2282         gtkabi=2.0
2283     fi
2284 fi
2285
2286 if test "$gtk" != "no"; then
2287     gtkpackage="gtk+-$gtkabi"
2288     gtkx11package="gtk+-x11-$gtkabi"
2289     if test "$gtkabi" = "3.0" ; then
2290       gtkversion="3.0.0"
2291     else
2292       gtkversion="2.18.0"
2293     fi
2294     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2295         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2296         gtk_libs=$($pkg_config --libs $gtkpackage)
2297         gtk_version=$($pkg_config --modversion $gtkpackage)
2298         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2299             gtk_cflags="$gtk_cflags $x11_cflags"
2300             gtk_libs="$gtk_libs $x11_libs"
2301         fi
2302         libs_softmmu="$gtk_libs $libs_softmmu"
2303         gtk="yes"
2304     elif test "$gtk" = "yes"; then
2305         feature_not_found "gtk" "Install gtk2 or gtk3 devel"
2306     else
2307         gtk="no"
2308     fi
2309 fi
2310
2311
2312 ##########################################
2313 # GNUTLS probe
2314
2315 gnutls_works() {
2316     # Unfortunately some distros have bad pkg-config information for gnutls
2317     # such that it claims to exist but you get a compiler error if you try
2318     # to use the options returned by --libs. Specifically, Ubuntu for --static
2319     # builds doesn't work:
2320     # https://bugs.launchpad.net/ubuntu/+source/gnutls26/+bug/1478035
2321     #
2322     # So sanity check the cflags/libs before assuming gnutls can be used.
2323     if ! $pkg_config --exists "gnutls"; then
2324         return 1
2325     fi
2326
2327     write_c_skeleton
2328     compile_prog "$($pkg_config --cflags gnutls)" "$($pkg_config --libs gnutls)"
2329 }
2330
2331 gnutls_gcrypt=no
2332 gnutls_nettle=no
2333 if test "$gnutls" != "no"; then
2334     if gnutls_works; then
2335         gnutls_cflags=$($pkg_config --cflags gnutls)
2336         gnutls_libs=$($pkg_config --libs gnutls)
2337         libs_softmmu="$gnutls_libs $libs_softmmu"
2338         libs_tools="$gnutls_libs $libs_tools"
2339         QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2340         gnutls="yes"
2341
2342         # gnutls_rnd requires >= 2.11.0
2343         if $pkg_config --exists "gnutls >= 2.11.0"; then
2344             gnutls_rnd="yes"
2345         else
2346             gnutls_rnd="no"
2347         fi
2348
2349         if $pkg_config --exists 'gnutls >= 3.0'; then
2350             gnutls_gcrypt=no
2351             gnutls_nettle=yes
2352         elif $pkg_config --exists 'gnutls >= 2.12'; then
2353             case $($pkg_config --libs --static gnutls) in
2354                 *gcrypt*)
2355                     gnutls_gcrypt=yes
2356                     gnutls_nettle=no
2357                     ;;
2358                 *nettle*)
2359                     gnutls_gcrypt=no
2360                     gnutls_nettle=yes
2361                     ;;
2362                 *)
2363                     gnutls_gcrypt=yes
2364                     gnutls_nettle=no
2365                     ;;
2366             esac
2367         else
2368             gnutls_gcrypt=yes
2369             gnutls_nettle=no
2370         fi
2371     elif test "$gnutls" = "yes"; then
2372         feature_not_found "gnutls" "Install gnutls devel"
2373     else
2374         gnutls="no"
2375         gnutls_rnd="no"
2376     fi
2377 else
2378     gnutls_rnd="no"
2379 fi
2380
2381
2382 # If user didn't give a --disable/enable-gcrypt flag,
2383 # then mark as disabled if user requested nettle
2384 # explicitly, or if gnutls links to nettle
2385 if test -z "$gcrypt"
2386 then
2387     if test "$nettle" = "yes" || test "$gnutls_nettle" = "yes"
2388     then
2389         gcrypt="no"
2390     fi
2391 fi
2392
2393 # If user didn't give a --disable/enable-nettle flag,
2394 # then mark as disabled if user requested gcrypt
2395 # explicitly, or if gnutls links to gcrypt
2396 if test -z "$nettle"
2397 then
2398     if test "$gcrypt" = "yes" || test "$gnutls_gcrypt" = "yes"
2399     then
2400         nettle="no"
2401     fi
2402 fi
2403
2404 has_libgcrypt_config() {
2405     if ! has "libgcrypt-config"
2406     then
2407         return 1
2408     fi
2409
2410     if test -n "$cross_prefix"
2411     then
2412         host=$(libgcrypt-config --host)
2413         if test "$host-" != $cross_prefix
2414         then
2415             return 1
2416         fi
2417     fi
2418
2419     return 0
2420 }
2421
2422 if test "$gcrypt" != "no"; then
2423     if has_libgcrypt_config; then
2424         gcrypt_cflags=$(libgcrypt-config --cflags)
2425         gcrypt_libs=$(libgcrypt-config --libs)
2426         # Debian has remove -lgpg-error from libgcrypt-config
2427         # as it "spreads unnecessary dependencies" which in
2428         # turn breaks static builds...
2429         if test "$static" = "yes"
2430         then
2431             gcrypt_libs="$gcrypt_libs -lgpg-error"
2432         fi
2433         libs_softmmu="$gcrypt_libs $libs_softmmu"
2434         libs_tools="$gcrypt_libs $libs_tools"
2435         QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2436         gcrypt="yes"
2437         if test -z "$nettle"; then
2438            nettle="no"
2439         fi
2440
2441         cat > $TMPC << EOF
2442 #include <gcrypt.h>
2443 int main(void) {
2444   gcry_kdf_derive(NULL, 0, GCRY_KDF_PBKDF2,
2445                   GCRY_MD_SHA256,
2446                   NULL, 0, 0, 0, NULL);
2447  return 0;
2448 }
2449 EOF
2450         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2451             gcrypt_kdf=yes
2452         fi
2453
2454         cat > $TMPC << EOF
2455 #include <gcrypt.h>
2456 int main(void) {
2457   gcry_mac_hd_t handle;
2458   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2459                 GCRY_MAC_FLAG_SECURE, NULL);
2460   return 0;
2461 }
2462 EOF
2463         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2464             gcrypt_hmac=yes
2465         fi
2466     else
2467         if test "$gcrypt" = "yes"; then
2468             feature_not_found "gcrypt" "Install gcrypt devel"
2469         else
2470             gcrypt="no"
2471         fi
2472     fi
2473 fi
2474
2475
2476 if test "$nettle" != "no"; then
2477     if $pkg_config --exists "nettle"; then
2478         nettle_cflags=$($pkg_config --cflags nettle)
2479         nettle_libs=$($pkg_config --libs nettle)
2480         nettle_version=$($pkg_config --modversion nettle)
2481         libs_softmmu="$nettle_libs $libs_softmmu"
2482         libs_tools="$nettle_libs $libs_tools"
2483         QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2484         nettle="yes"
2485
2486         cat > $TMPC << EOF
2487 #include <stddef.h>
2488 #include <nettle/pbkdf2.h>
2489 int main(void) {
2490      pbkdf2_hmac_sha256(8, NULL, 1000, 8, NULL, 8, NULL);
2491      return 0;
2492 }
2493 EOF
2494         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2495             nettle_kdf=yes
2496         fi
2497     else
2498         if test "$nettle" = "yes"; then
2499             feature_not_found "nettle" "Install nettle devel"
2500         else
2501             nettle="no"
2502         fi
2503     fi
2504 fi
2505
2506 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2507 then
2508     error_exit "Only one of gcrypt & nettle can be enabled"
2509 fi
2510
2511 ##########################################
2512 # libtasn1 - only for the TLS creds/session test suite
2513
2514 tasn1=yes
2515 tasn1_cflags=""
2516 tasn1_libs=""
2517 if $pkg_config --exists "libtasn1"; then
2518     tasn1_cflags=$($pkg_config --cflags libtasn1)
2519     tasn1_libs=$($pkg_config --libs libtasn1)
2520 else
2521     tasn1=no
2522 fi
2523
2524
2525 ##########################################
2526 # getifaddrs (for tests/test-io-channel-socket )
2527
2528 have_ifaddrs_h=yes
2529 if ! check_include "ifaddrs.h" ; then
2530   have_ifaddrs_h=no
2531 fi
2532
2533 ##########################################
2534 # VTE probe
2535
2536 if test "$vte" != "no"; then
2537     if test "$gtkabi" = "3.0"; then
2538       vteminversion="0.32.0"
2539       if $pkg_config --exists "vte-2.91"; then
2540         vtepackage="vte-2.91"
2541       else
2542         vtepackage="vte-2.90"
2543       fi
2544     else
2545       vtepackage="vte"
2546       vteminversion="0.24.0"
2547     fi
2548     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2549         vte_cflags=$($pkg_config --cflags $vtepackage)
2550         vte_libs=$($pkg_config --libs $vtepackage)
2551         vteversion=$($pkg_config --modversion $vtepackage)
2552         libs_softmmu="$vte_libs $libs_softmmu"
2553         vte="yes"
2554     elif test "$vte" = "yes"; then
2555         if test "$gtkabi" = "3.0"; then
2556             feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2557         else
2558             feature_not_found "vte" "Install libvte devel"
2559         fi
2560     else
2561         vte="no"
2562     fi
2563 fi
2564
2565 ##########################################
2566 # SDL probe
2567
2568 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2569 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2570
2571 if test "$sdlabi" = ""; then
2572     if $pkg_config --exists "sdl"; then
2573         sdlabi=1.2
2574     elif $pkg_config --exists "sdl2"; then
2575         sdlabi=2.0
2576     else
2577         sdlabi=1.2
2578     fi
2579 fi
2580
2581 if test $sdlabi = "2.0"; then
2582     sdl_config=$sdl2_config
2583     sdlname=sdl2
2584     sdlconfigname=sdl2_config
2585 elif test $sdlabi = "1.2"; then
2586     sdlname=sdl
2587     sdlconfigname=sdl_config
2588 else
2589     error_exit "Unknown sdlabi $sdlabi, must be 1.2 or 2.0"
2590 fi
2591
2592 if test "$(basename $sdl_config)" != $sdlconfigname && ! has ${sdl_config}; then
2593   sdl_config=$sdlconfigname
2594 fi
2595
2596 if $pkg_config $sdlname --exists; then
2597   sdlconfig="$pkg_config $sdlname"
2598   sdlversion=$($sdlconfig --modversion 2>/dev/null)
2599 elif has ${sdl_config}; then
2600   sdlconfig="$sdl_config"
2601   sdlversion=$($sdlconfig --version)
2602 else
2603   if test "$sdl" = "yes" ; then
2604     feature_not_found "sdl" "Install SDL devel"
2605   fi
2606   sdl=no
2607 fi
2608 if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2609   echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2610 fi
2611
2612 sdl_too_old=no
2613 if test "$sdl" != "no" ; then
2614   cat > $TMPC << EOF
2615 #include <SDL.h>
2616 #undef main /* We don't want SDL to override our main() */
2617 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2618 EOF
2619   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2620   if test "$static" = "yes" ; then
2621     sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
2622   else
2623     sdl_libs=$($sdlconfig --libs 2>/dev/null)
2624   fi
2625   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2626     if test $(echo $sdlversion | sed 's/[^0-9]//g') -lt 121 ; then
2627       sdl_too_old=yes
2628     else
2629       sdl=yes
2630     fi
2631
2632     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2633     if test "$sdl" = "yes" -a "$static" = "yes" ; then
2634       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2635          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
2636          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
2637       fi
2638       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2639         :
2640       else
2641         sdl=no
2642       fi
2643     fi # static link
2644   else # sdl not found
2645     if test "$sdl" = "yes" ; then
2646       feature_not_found "sdl" "Install SDL devel"
2647     fi
2648     sdl=no
2649   fi # sdl compile test
2650 fi
2651
2652 if test "$sdl" = "yes" ; then
2653   cat > $TMPC <<EOF
2654 #include <SDL.h>
2655 #if defined(SDL_VIDEO_DRIVER_X11)
2656 #include <X11/XKBlib.h>
2657 #else
2658 #error No x11 support
2659 #endif
2660 int main(void) { return 0; }
2661 EOF
2662   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
2663     sdl_cflags="$sdl_cflags $x11_cflags"
2664     sdl_libs="$sdl_libs $x11_libs"
2665   fi
2666   libs_softmmu="$sdl_libs $libs_softmmu"
2667 fi
2668
2669 ##########################################
2670 # RDMA needs OpenFabrics libraries
2671 if test "$rdma" != "no" ; then
2672   cat > $TMPC <<EOF
2673 #include <rdma/rdma_cma.h>
2674 int main(void) { return 0; }
2675 EOF
2676   rdma_libs="-lrdmacm -libverbs"
2677   if compile_prog "" "$rdma_libs" ; then
2678     rdma="yes"
2679     libs_softmmu="$libs_softmmu $rdma_libs"
2680   else
2681     if test "$rdma" = "yes" ; then
2682         error_exit \
2683             " OpenFabrics librdmacm/libibverbs not present." \
2684             " Your options:" \
2685             "  (1) Fast: Install infiniband packages from your distro." \
2686             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
2687             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
2688     fi
2689     rdma="no"
2690   fi
2691 fi
2692
2693
2694 ##########################################
2695 # VNC SASL detection
2696 if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then
2697   cat > $TMPC <<EOF
2698 #include <sasl/sasl.h>
2699 #include <stdio.h>
2700 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
2701 EOF
2702   # Assuming Cyrus-SASL installed in /usr prefix
2703   vnc_sasl_cflags=""
2704   vnc_sasl_libs="-lsasl2"
2705   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
2706     vnc_sasl=yes
2707     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
2708     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
2709   else
2710     if test "$vnc_sasl" = "yes" ; then
2711       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
2712     fi
2713     vnc_sasl=no
2714   fi
2715 fi
2716
2717 ##########################################
2718 # VNC JPEG detection
2719 if test "$vnc" = "yes" -a "$vnc_jpeg" != "no" ; then
2720 cat > $TMPC <<EOF
2721 #include <stdio.h>
2722 #include <jpeglib.h>
2723 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
2724 EOF
2725     vnc_jpeg_cflags=""
2726     vnc_jpeg_libs="-ljpeg"
2727   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
2728     vnc_jpeg=yes
2729     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
2730     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
2731   else
2732     if test "$vnc_jpeg" = "yes" ; then
2733       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
2734     fi
2735     vnc_jpeg=no
2736   fi
2737 fi
2738
2739 ##########################################
2740 # VNC PNG detection
2741 if test "$vnc" = "yes" -a "$vnc_png" != "no" ; then
2742 cat > $TMPC <<EOF
2743 //#include <stdio.h>
2744 #include <png.h>
2745 #include <stddef.h>
2746 int main(void) {
2747     png_structp png_ptr;
2748     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
2749     return png_ptr != 0;
2750 }
2751 EOF
2752   if $pkg_config libpng --exists; then
2753     vnc_png_cflags=$($pkg_config libpng --cflags)
2754     vnc_png_libs=$($pkg_config libpng --libs)
2755   else
2756     vnc_png_cflags=""
2757     vnc_png_libs="-lpng"
2758   fi
2759   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
2760     vnc_png=yes
2761     libs_softmmu="$vnc_png_libs $libs_softmmu"
2762     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
2763   else
2764     if test "$vnc_png" = "yes" ; then
2765       feature_not_found "vnc-png" "Install libpng devel"
2766     fi
2767     vnc_png=no
2768   fi
2769 fi
2770
2771 ##########################################
2772 # fnmatch() probe, used for ACL routines
2773 fnmatch="no"
2774 cat > $TMPC << EOF
2775 #include <fnmatch.h>
2776 int main(void)
2777 {
2778     fnmatch("foo", "foo", 0);
2779     return 0;
2780 }
2781 EOF
2782 if compile_prog "" "" ; then
2783    fnmatch="yes"
2784 fi
2785
2786 ##########################################
2787 # xfsctl() probe, used for file-posix.c
2788 if test "$xfs" != "no" ; then
2789   cat > $TMPC << EOF
2790 #include <stddef.h>  /* NULL */
2791 #include <xfs/xfs.h>
2792 int main(void)
2793 {
2794     xfsctl(NULL, 0, 0, NULL);
2795     return 0;
2796 }
2797 EOF
2798   if compile_prog "" "" ; then
2799     xfs="yes"
2800   else
2801     if test "$xfs" = "yes" ; then
2802       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
2803     fi
2804     xfs=no
2805   fi
2806 fi
2807
2808 ##########################################
2809 # vde libraries probe
2810 if test "$vde" != "no" ; then
2811   vde_libs="-lvdeplug"
2812   cat > $TMPC << EOF
2813 #include <libvdeplug.h>
2814 int main(void)
2815 {
2816     struct vde_open_args a = {0, 0, 0};
2817     char s[] = "";
2818     vde_open(s, s, &a);
2819     return 0;
2820 }
2821 EOF
2822   if compile_prog "" "$vde_libs" ; then
2823     vde=yes
2824     libs_softmmu="$vde_libs $libs_softmmu"
2825     libs_tools="$vde_libs $libs_tools"
2826   else
2827     if test "$vde" = "yes" ; then
2828       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
2829     fi
2830     vde=no
2831   fi
2832 fi
2833
2834 ##########################################
2835 # netmap support probe
2836 # Apart from looking for netmap headers, we make sure that the host API version
2837 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
2838 # a minor/major version number. Minor new features will be marked with values up
2839 # to 15, and if something happens that requires a change to the backend we will
2840 # move above 15, submit the backend fixes and modify this two bounds.
2841 if test "$netmap" != "no" ; then
2842   cat > $TMPC << EOF
2843 #include <inttypes.h>
2844 #include <net/if.h>
2845 #include <net/netmap.h>
2846 #include <net/netmap_user.h>
2847 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2848 #error
2849 #endif
2850 int main(void) { return 0; }
2851 EOF
2852   if compile_prog "" "" ; then
2853     netmap=yes
2854   else
2855     if test "$netmap" = "yes" ; then
2856       feature_not_found "netmap"
2857     fi
2858     netmap=no
2859   fi
2860 fi
2861
2862 ##########################################
2863 # libcap-ng library probe
2864 if test "$cap_ng" != "no" ; then
2865   cap_libs="-lcap-ng"
2866   cat > $TMPC << EOF
2867 #include <cap-ng.h>
2868 int main(void)
2869 {
2870     capng_capability_to_name(CAPNG_EFFECTIVE);
2871     return 0;
2872 }
2873 EOF
2874   if compile_prog "" "$cap_libs" ; then
2875     cap_ng=yes
2876     libs_tools="$cap_libs $libs_tools"
2877   else
2878     if test "$cap_ng" = "yes" ; then
2879       feature_not_found "cap_ng" "Install libcap-ng devel"
2880     fi
2881     cap_ng=no
2882   fi
2883 fi
2884
2885 ##########################################
2886 # Sound support libraries probe
2887
2888 audio_drv_probe()
2889 {
2890     drv=$1
2891     hdr=$2
2892     lib=$3
2893     exp=$4
2894     cfl=$5
2895         cat > $TMPC << EOF
2896 #include <$hdr>
2897 int main(void) { $exp }
2898 EOF
2899     if compile_prog "$cfl" "$lib" ; then
2900         :
2901     else
2902         error_exit "$drv check failed" \
2903             "Make sure to have the $drv libs and headers installed."
2904     fi
2905 }
2906
2907 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
2908 for drv in $audio_drv_list; do
2909     case $drv in
2910     alsa)
2911     audio_drv_probe $drv alsa/asoundlib.h -lasound \
2912         "return snd_pcm_close((snd_pcm_t *)0);"
2913     libs_softmmu="-lasound $libs_softmmu"
2914     ;;
2915
2916     pa)
2917     audio_drv_probe $drv pulse/pulseaudio.h "-lpulse" \
2918         "pa_context_set_source_output_volume(NULL, 0, NULL, NULL, NULL); return 0;"
2919     libs_softmmu="-lpulse $libs_softmmu"
2920     audio_pt_int="yes"
2921     ;;
2922
2923     sdl)
2924     if test "$sdl" = "no"; then
2925         error_exit "sdl not found or disabled, can not use sdl audio driver"
2926     fi
2927     ;;
2928
2929     coreaudio)
2930       libs_softmmu="-framework CoreAudio $libs_softmmu"
2931     ;;
2932
2933     dsound)
2934       libs_softmmu="-lole32 -ldxguid $libs_softmmu"
2935       audio_win_int="yes"
2936     ;;
2937
2938     oss)
2939       libs_softmmu="$oss_lib $libs_softmmu"
2940     ;;
2941
2942     wav)
2943     # XXX: Probes for CoreAudio, DirectSound
2944     ;;
2945
2946     *)
2947     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
2948         error_exit "Unknown driver '$drv' selected" \
2949             "Possible drivers are: $audio_possible_drivers"
2950     }
2951     ;;
2952     esac
2953 done
2954
2955 ##########################################
2956 # BrlAPI probe
2957
2958 if test "$brlapi" != "no" ; then
2959   brlapi_libs="-lbrlapi"
2960   cat > $TMPC << EOF
2961 #include <brlapi.h>
2962 #include <stddef.h>
2963 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
2964 EOF
2965   if compile_prog "" "$brlapi_libs" ; then
2966     brlapi=yes
2967     libs_softmmu="$brlapi_libs $libs_softmmu"
2968   else
2969     if test "$brlapi" = "yes" ; then
2970       feature_not_found "brlapi" "Install brlapi devel"
2971     fi
2972     brlapi=no
2973   fi
2974 fi
2975
2976 ##########################################
2977 # curses probe
2978 if test "$curses" != "no" ; then
2979   if test "$mingw32" = "yes" ; then
2980     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
2981     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
2982   else
2983     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
2984     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
2985   fi
2986   curses_found=no
2987   cat > $TMPC << EOF
2988 #include <locale.h>
2989 #include <curses.h>
2990 #include <wchar.h>
2991 int main(void) {
2992   const char *s = curses_version();
2993   wchar_t wch = L'w';
2994   setlocale(LC_ALL, "");
2995   resize_term(0, 0);
2996   addwstr(L"wide chars\n");
2997   addnwstr(&wch, 1);
2998   add_wch(WACS_DEGREE);
2999   return s != 0;
3000 }
3001 EOF
3002   IFS=:
3003   for curses_inc in $curses_inc_list; do
3004     IFS=:
3005     for curses_lib in $curses_lib_list; do
3006       unset IFS
3007       if compile_prog "$curses_inc" "$curses_lib" ; then
3008         curses_found=yes
3009         QEMU_CFLAGS="$curses_inc $QEMU_CFLAGS"
3010         libs_softmmu="$curses_lib $libs_softmmu"
3011         break
3012       fi
3013     done
3014     if test "$curses_found" = yes ; then
3015       break
3016     fi
3017   done
3018   unset IFS
3019   if test "$curses_found" = "yes" ; then
3020     curses=yes
3021   else
3022     if test "$curses" = "yes" ; then
3023       feature_not_found "curses" "Install ncurses devel"
3024     fi
3025     curses=no
3026   fi
3027 fi
3028
3029 ##########################################
3030 # curl probe
3031 if test "$curl" != "no" ; then
3032   if $pkg_config libcurl --exists; then
3033     curlconfig="$pkg_config libcurl"
3034   else
3035     curlconfig=curl-config
3036   fi
3037   cat > $TMPC << EOF
3038 #include <curl/curl.h>
3039 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3040 EOF
3041   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3042   curl_libs=$($curlconfig --libs 2>/dev/null)
3043   if compile_prog "$curl_cflags" "$curl_libs" ; then
3044     curl=yes
3045   else
3046     if test "$curl" = "yes" ; then
3047       feature_not_found "curl" "Install libcurl devel"
3048     fi
3049     curl=no
3050   fi
3051 fi # test "$curl"
3052
3053 ##########################################
3054 # bluez support probe
3055 if test "$bluez" != "no" ; then
3056   cat > $TMPC << EOF
3057 #include <bluetooth/bluetooth.h>
3058 int main(void) { return bt_error(0); }
3059 EOF
3060   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3061   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3062   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3063     bluez=yes
3064     libs_softmmu="$bluez_libs $libs_softmmu"
3065   else
3066     if test "$bluez" = "yes" ; then
3067       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3068     fi
3069     bluez="no"
3070   fi
3071 fi
3072
3073 ##########################################
3074 # glib support probe
3075
3076 glib_req_ver=2.22
3077 glib_modules=gthread-2.0
3078 if test "$modules" = yes; then
3079     glib_modules="$glib_modules gmodule-2.0"
3080 fi
3081
3082 # This workaround is required due to a bug in pkg-config file for glib as it
3083 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3084
3085 if test "$static" = yes -a "$mingw32" = yes; then
3086     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3087 fi
3088
3089 for i in $glib_modules; do
3090     if $pkg_config --atleast-version=$glib_req_ver $i; then
3091         glib_cflags=$($pkg_config --cflags $i)
3092         glib_libs=$($pkg_config --libs $i)
3093         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3094         LIBS="$glib_libs $LIBS"
3095         libs_qga="$glib_libs $libs_qga"
3096     else
3097         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3098     fi
3099 done
3100
3101 # Sanity check that the current size_t matches the
3102 # size that glib thinks it should be. This catches
3103 # problems on multi-arch where people try to build
3104 # 32-bit QEMU while pointing at 64-bit glib headers
3105 cat > $TMPC <<EOF
3106 #include <glib.h>
3107 #include <unistd.h>
3108
3109 #define QEMU_BUILD_BUG_ON(x) \
3110   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3111
3112 int main(void) {
3113    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3114    return 0;
3115 }
3116 EOF
3117
3118 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3119     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3120                "You probably need to set PKG_CONFIG_LIBDIR"\
3121                "to point to the right pkg-config files for your"\
3122                "build target"
3123 fi
3124
3125 # g_test_trap_subprocess added in 2.38. Used by some tests.
3126 glib_subprocess=yes
3127 if ! $pkg_config --atleast-version=2.38 glib-2.0; then
3128     glib_subprocess=no
3129 fi
3130
3131 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3132 cat > $TMPC << EOF
3133 #include <glib.h>
3134 int main(void) { return 0; }
3135 EOF
3136 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3137     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3138         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3139         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3140     fi
3141 fi
3142
3143 ##########################################
3144 # SHA command probe for modules
3145 if test "$modules" = yes; then
3146     shacmd_probe="sha1sum sha1 shasum"
3147     for c in $shacmd_probe; do
3148         if has $c; then
3149             shacmd="$c"
3150             break
3151         fi
3152     done
3153     if test "$shacmd" = ""; then
3154         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3155     fi
3156 fi
3157
3158 ##########################################
3159 # pixman support probe
3160
3161 if test "$pixman" = ""; then
3162   if test "$want_tools" = "no" -a "$softmmu" = "no"; then
3163     pixman="none"
3164   elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3165     pixman="system"
3166   else
3167     pixman="internal"
3168   fi
3169 fi
3170 if test "$pixman" = "none"; then
3171   if test "$want_tools" != "no" -o "$softmmu" != "no"; then
3172     error_exit "pixman disabled but system emulation or tools build" \
3173         "enabled.  You can turn off pixman only if you also" \
3174         "disable all system emulation targets and the tools" \
3175         "build with '--disable-tools --disable-system'."
3176   fi
3177   pixman_cflags=
3178   pixman_libs=
3179 elif test "$pixman" = "system"; then
3180   # pixman version has been checked above
3181   pixman_cflags=$($pkg_config --cflags pixman-1)
3182   pixman_libs=$($pkg_config --libs pixman-1)
3183 else
3184   if test ! -d ${source_path}/pixman/pixman; then
3185     error_exit "pixman >= 0.21.8 not present. Your options:" \
3186         "  (1) Preferred: Install the pixman devel package (any recent" \
3187         "      distro should have packages as Xorg needs pixman too)." \
3188         "  (2) Fetch the pixman submodule, using:" \
3189         "      git submodule update --init pixman"
3190   fi
3191   mkdir -p pixman/pixman
3192   pixman_cflags="-I\$(SRC_PATH)/pixman/pixman -I\$(BUILD_DIR)/pixman/pixman"
3193   pixman_libs="-L\$(BUILD_DIR)/pixman/pixman/.libs -lpixman-1"
3194 fi
3195
3196 ##########################################
3197 # libcap probe
3198
3199 if test "$cap" != "no" ; then
3200   cat > $TMPC <<EOF
3201 #include <stdio.h>
3202 #include <sys/capability.h>
3203 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3204 EOF
3205   if compile_prog "" "-lcap" ; then
3206     cap=yes
3207   else
3208     cap=no
3209   fi
3210 fi
3211
3212 ##########################################
3213 # pthread probe
3214 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3215
3216 pthread=no
3217 cat > $TMPC << EOF
3218 #include <pthread.h>
3219 static void *f(void *p) { return NULL; }
3220 int main(void) {
3221   pthread_t thread;
3222   pthread_create(&thread, 0, f, 0);
3223   return 0;
3224 }
3225 EOF
3226 if compile_prog "" "" ; then
3227   pthread=yes
3228 else
3229   for pthread_lib in $PTHREADLIBS_LIST; do
3230     if compile_prog "" "$pthread_lib" ; then
3231       pthread=yes
3232       found=no
3233       for lib_entry in $LIBS; do
3234         if test "$lib_entry" = "$pthread_lib"; then
3235           found=yes
3236           break
3237         fi
3238       done
3239       if test "$found" = "no"; then
3240         LIBS="$pthread_lib $LIBS"
3241       fi
3242       PTHREAD_LIB="$pthread_lib"
3243       break
3244     fi
3245   done
3246 fi
3247
3248 if test "$mingw32" != yes -a "$pthread" = no; then
3249   error_exit "pthread check failed" \
3250       "Make sure to have the pthread libs and headers installed."
3251 fi
3252
3253 # check for pthread_setname_np
3254 pthread_setname_np=no
3255 cat > $TMPC << EOF
3256 #include <pthread.h>
3257
3258 static void *f(void *p) { return NULL; }
3259 int main(void)
3260 {
3261     pthread_t thread;
3262     pthread_create(&thread, 0, f, 0);
3263     pthread_setname_np(thread, "QEMU");
3264     return 0;
3265 }
3266 EOF
3267 if compile_prog "" "$pthread_lib" ; then
3268   pthread_setname_np=yes
3269 fi
3270
3271 ##########################################
3272 # rbd probe
3273 if test "$rbd" != "no" ; then
3274   cat > $TMPC <<EOF
3275 #include <stdio.h>
3276 #include <rbd/librbd.h>
3277 int main(void) {
3278     rados_t cluster;
3279     rados_create(&cluster, NULL);
3280     return 0;
3281 }
3282 EOF
3283   rbd_libs="-lrbd -lrados"
3284   if compile_prog "" "$rbd_libs" ; then
3285     rbd=yes
3286   else
3287     if test "$rbd" = "yes" ; then
3288       feature_not_found "rados block device" "Install librbd/ceph devel"
3289     fi
3290     rbd=no
3291   fi
3292 fi
3293
3294 ##########################################
3295 # libssh2 probe
3296 min_libssh2_version=1.2.8
3297 if test "$libssh2" != "no" ; then
3298   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3299     libssh2_cflags=$($pkg_config libssh2 --cflags)
3300     libssh2_libs=$($pkg_config libssh2 --libs)
3301     libssh2=yes
3302   else
3303     if test "$libssh2" = "yes" ; then
3304       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3305     fi
3306     libssh2=no
3307   fi
3308 fi
3309
3310 ##########################################
3311 # libssh2_sftp_fsync probe
3312
3313 if test "$libssh2" = "yes"; then
3314   cat > $TMPC <<EOF
3315 #include <stdio.h>
3316 #include <libssh2.h>
3317 #include <libssh2_sftp.h>
3318 int main(void) {
3319     LIBSSH2_SESSION *session;
3320     LIBSSH2_SFTP *sftp;
3321     LIBSSH2_SFTP_HANDLE *sftp_handle;
3322     session = libssh2_session_init ();
3323     sftp = libssh2_sftp_init (session);
3324     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3325     libssh2_sftp_fsync (sftp_handle);
3326     return 0;
3327 }
3328 EOF
3329   # libssh2_cflags/libssh2_libs defined in previous test.
3330   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3331     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3332   fi
3333 fi
3334
3335 ##########################################
3336 # linux-aio probe
3337
3338 if test "$linux_aio" != "no" ; then
3339   cat > $TMPC <<EOF
3340 #include <libaio.h>
3341 #include <sys/eventfd.h>
3342 #include <stddef.h>
3343 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3344 EOF
3345   if compile_prog "" "-laio" ; then
3346     linux_aio=yes
3347   else
3348     if test "$linux_aio" = "yes" ; then
3349       feature_not_found "linux AIO" "Install libaio devel"
3350     fi
3351     linux_aio=no
3352   fi
3353 fi
3354
3355 ##########################################
3356 # TPM passthrough is only on x86 Linux
3357
3358 if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
3359   tpm_passthrough=$tpm
3360 else
3361   tpm_passthrough=no
3362 fi
3363
3364 ##########################################
3365 # attr probe
3366
3367 if test "$attr" != "no" ; then
3368   cat > $TMPC <<EOF
3369 #include <stdio.h>
3370 #include <sys/types.h>
3371 #ifdef CONFIG_LIBATTR
3372 #include <attr/xattr.h>
3373 #else
3374 #include <sys/xattr.h>
3375 #endif
3376 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3377 EOF
3378   if compile_prog "" "" ; then
3379     attr=yes
3380   # Older distros have <attr/xattr.h>, and need -lattr:
3381   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3382     attr=yes
3383     LIBS="-lattr $LIBS"
3384     libattr=yes
3385   else
3386     if test "$attr" = "yes" ; then
3387       feature_not_found "ATTR" "Install libc6 or libattr devel"
3388     fi
3389     attr=no
3390   fi
3391 fi
3392
3393 ##########################################
3394 # iovec probe
3395 cat > $TMPC <<EOF
3396 #include <sys/types.h>
3397 #include <sys/uio.h>
3398 #include <unistd.h>
3399 int main(void) { return sizeof(struct iovec); }
3400 EOF
3401 iovec=no
3402 if compile_prog "" "" ; then
3403   iovec=yes
3404 fi
3405
3406 ##########################################
3407 # preadv probe
3408 cat > $TMPC <<EOF
3409 #include <sys/types.h>
3410 #include <sys/uio.h>
3411 #include <unistd.h>
3412 int main(void) { return preadv(0, 0, 0, 0); }
3413 EOF
3414 preadv=no
3415 if compile_prog "" "" ; then
3416   preadv=yes
3417 fi
3418
3419 ##########################################
3420 # fdt probe
3421 # fdt support is mandatory for at least some target architectures,
3422 # so insist on it if we're building those system emulators.
3423 fdt_required=no
3424 for target in $target_list; do
3425   case $target in
3426     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu)
3427       fdt_required=yes
3428     ;;
3429   esac
3430 done
3431
3432 if test "$fdt_required" = "yes"; then
3433   if test "$fdt" = "no"; then
3434     error_exit "fdt disabled but some requested targets require it." \
3435       "You can turn off fdt only if you also disable all the system emulation" \
3436       "targets which need it (by specifying a cut down --target-list)."
3437   fi
3438   fdt=yes
3439 fi
3440
3441 if test "$fdt" != "no" ; then
3442   fdt_libs="-lfdt"
3443   # explicitly check for libfdt_env.h as it is missing in some stable installs
3444   # and test for required functions to make sure we are on a version >= 1.4.2
3445   cat > $TMPC << EOF
3446 #include <libfdt.h>
3447 #include <libfdt_env.h>
3448 int main(void) { fdt_first_subnode(0, 0); return 0; }
3449 EOF
3450   if compile_prog "" "$fdt_libs" ; then
3451     # system DTC is good - use it
3452     fdt=yes
3453   elif test -d ${source_path}/dtc/libfdt ; then
3454     # have submodule DTC - use it
3455     fdt=yes
3456     dtc_internal="yes"
3457     mkdir -p dtc
3458     if [ "$pwd_is_source_path" != "y" ] ; then
3459        symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3460        symlink "$source_path/dtc/scripts" "dtc/scripts"
3461     fi
3462     fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3463     fdt_libs="-L\$(BUILD_DIR)/dtc/libfdt $fdt_libs"
3464   elif test "$fdt" = "yes" ; then
3465     # have neither and want - prompt for system/submodule install
3466     error_exit "DTC (libfdt) version >= 1.4.2 not present. Your options:" \
3467         "  (1) Preferred: Install the DTC (libfdt) devel package" \
3468         "  (2) Fetch the DTC submodule, using:" \
3469         "      git submodule update --init dtc"
3470   else
3471     # don't have and don't want
3472     fdt_libs=
3473     fdt=no
3474   fi
3475 fi
3476
3477 libs_softmmu="$libs_softmmu $fdt_libs"
3478
3479 ##########################################
3480 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3481
3482 if test "$opengl" != "no" ; then
3483   opengl_pkgs="epoxy libdrm gbm"
3484   if $pkg_config $opengl_pkgs x11; then
3485     opengl_cflags="$($pkg_config --cflags $opengl_pkgs) $x11_cflags"
3486     opengl_libs="$($pkg_config --libs $opengl_pkgs) $x11_libs"
3487     opengl=yes
3488     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3489         gtk_gl="yes"
3490     fi
3491     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
3492   else
3493     if test "$opengl" = "yes" ; then
3494       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3495     fi
3496     opengl_cflags=""
3497     opengl_libs=""
3498     opengl=no
3499   fi
3500 fi
3501
3502 if test "$opengl" = "yes"; then
3503   cat > $TMPC << EOF
3504 #include <epoxy/egl.h>
3505 #ifndef EGL_MESA_image_dma_buf_export
3506 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3507 #endif
3508 int main(void) { return 0; }
3509 EOF
3510   if compile_prog "" "" ; then
3511     opengl_dmabuf=yes
3512   fi
3513 fi
3514
3515
3516 ##########################################
3517 # glusterfs probe
3518 if test "$glusterfs" != "no" ; then
3519   if $pkg_config --atleast-version=3 glusterfs-api; then
3520     glusterfs="yes"
3521     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3522     glusterfs_libs=$($pkg_config --libs glusterfs-api)
3523     if $pkg_config --atleast-version=4 glusterfs-api; then
3524       glusterfs_xlator_opt="yes"
3525     fi
3526     if $pkg_config --atleast-version=5 glusterfs-api; then
3527       glusterfs_discard="yes"
3528     fi
3529     if $pkg_config --atleast-version=6 glusterfs-api; then
3530       glusterfs_zerofill="yes"
3531     fi
3532   else
3533     if test "$glusterfs" = "yes" ; then
3534       feature_not_found "GlusterFS backend support" \
3535           "Install glusterfs-api devel >= 3"
3536     fi
3537     glusterfs="no"
3538   fi
3539 fi
3540
3541 # Check for inotify functions when we are building linux-user
3542 # emulator.  This is done because older glibc versions don't
3543 # have syscall stubs for these implemented.  In that case we
3544 # don't provide them even if kernel supports them.
3545 #
3546 inotify=no
3547 cat > $TMPC << EOF
3548 #include <sys/inotify.h>
3549
3550 int
3551 main(void)
3552 {
3553         /* try to start inotify */
3554         return inotify_init();
3555 }
3556 EOF
3557 if compile_prog "" "" ; then
3558   inotify=yes
3559 fi
3560
3561 inotify1=no
3562 cat > $TMPC << EOF
3563 #include <sys/inotify.h>
3564
3565 int
3566 main(void)
3567 {
3568     /* try to start inotify */
3569     return inotify_init1(0);
3570 }
3571 EOF
3572 if compile_prog "" "" ; then
3573   inotify1=yes
3574 fi
3575
3576 # check if utimensat and futimens are supported
3577 utimens=no
3578 cat > $TMPC << EOF
3579 #define _ATFILE_SOURCE
3580 #include <stddef.h>
3581 #include <fcntl.h>
3582 #include <sys/stat.h>
3583
3584 int main(void)
3585 {
3586     utimensat(AT_FDCWD, "foo", NULL, 0);
3587     futimens(0, NULL);
3588     return 0;
3589 }
3590 EOF
3591 if compile_prog "" "" ; then
3592   utimens=yes
3593 fi
3594
3595 # check if pipe2 is there
3596 pipe2=no
3597 cat > $TMPC << EOF
3598 #include <unistd.h>
3599 #include <fcntl.h>
3600
3601 int main(void)
3602 {
3603     int pipefd[2];
3604     return pipe2(pipefd, O_CLOEXEC);
3605 }
3606 EOF
3607 if compile_prog "" "" ; then
3608   pipe2=yes
3609 fi
3610
3611 # check if accept4 is there
3612 accept4=no
3613 cat > $TMPC << EOF
3614 #include <sys/socket.h>
3615 #include <stddef.h>
3616
3617 int main(void)
3618 {
3619     accept4(0, NULL, NULL, SOCK_CLOEXEC);
3620     return 0;
3621 }
3622 EOF
3623 if compile_prog "" "" ; then
3624   accept4=yes
3625 fi
3626
3627 # check if tee/splice is there. vmsplice was added same time.
3628 splice=no
3629 cat > $TMPC << EOF
3630 #include <unistd.h>
3631 #include <fcntl.h>
3632 #include <limits.h>
3633
3634 int main(void)
3635 {
3636     int len, fd = 0;
3637     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3638     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3639     return 0;
3640 }
3641 EOF
3642 if compile_prog "" "" ; then
3643   splice=yes
3644 fi
3645
3646 ##########################################
3647 # libnuma probe
3648
3649 if test "$numa" != "no" ; then
3650   cat > $TMPC << EOF
3651 #include <numa.h>
3652 int main(void) { return numa_available(); }
3653 EOF
3654
3655   if compile_prog "" "-lnuma" ; then
3656     numa=yes
3657     libs_softmmu="-lnuma $libs_softmmu"
3658   else
3659     if test "$numa" = "yes" ; then
3660       feature_not_found "numa" "install numactl devel"
3661     fi
3662     numa=no
3663   fi
3664 fi
3665
3666 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
3667     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
3668     exit 1
3669 fi
3670
3671 ##########################################
3672 # tcmalloc probe
3673
3674 if test "$tcmalloc" = "yes" ; then
3675   cat > $TMPC << EOF
3676 #include <stdlib.h>
3677 int main(void) { malloc(1); return 0; }
3678 EOF
3679
3680   if compile_prog "" "-ltcmalloc" ; then
3681     LIBS="-ltcmalloc $LIBS"
3682   else
3683     feature_not_found "tcmalloc" "install gperftools devel"
3684   fi
3685 fi
3686
3687 ##########################################
3688 # jemalloc probe
3689
3690 if test "$jemalloc" = "yes" ; then
3691   cat > $TMPC << EOF
3692 #include <stdlib.h>
3693 int main(void) { malloc(1); return 0; }
3694 EOF
3695
3696   if compile_prog "" "-ljemalloc" ; then
3697     LIBS="-ljemalloc $LIBS"
3698   else
3699     feature_not_found "jemalloc" "install jemalloc devel"
3700   fi
3701 fi
3702
3703 ##########################################
3704 # signalfd probe
3705 signalfd="no"
3706 cat > $TMPC << EOF
3707 #include <unistd.h>
3708 #include <sys/syscall.h>
3709 #include <signal.h>
3710 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
3711 EOF
3712
3713 if compile_prog "" "" ; then
3714   signalfd=yes
3715 fi
3716
3717 # check if eventfd is supported
3718 eventfd=no
3719 cat > $TMPC << EOF
3720 #include <sys/eventfd.h>
3721
3722 int main(void)
3723 {
3724     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
3725 }
3726 EOF
3727 if compile_prog "" "" ; then
3728   eventfd=yes
3729 fi
3730
3731 # check if memfd is supported
3732 memfd=no
3733 cat > $TMPC << EOF
3734 #include <sys/memfd.h>
3735
3736 int main(void)
3737 {
3738     return memfd_create("foo", MFD_ALLOW_SEALING);
3739 }
3740 EOF
3741 if compile_prog "" "" ; then
3742   memfd=yes
3743 fi
3744
3745
3746
3747 # check for fallocate
3748 fallocate=no
3749 cat > $TMPC << EOF
3750 #include <fcntl.h>
3751
3752 int main(void)
3753 {
3754     fallocate(0, 0, 0, 0);
3755     return 0;
3756 }
3757 EOF
3758 if compile_prog "" "" ; then
3759   fallocate=yes
3760 fi
3761
3762 # check for fallocate hole punching
3763 fallocate_punch_hole=no
3764 cat > $TMPC << EOF
3765 #include <fcntl.h>
3766 #include <linux/falloc.h>
3767
3768 int main(void)
3769 {
3770     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
3771     return 0;
3772 }
3773 EOF
3774 if compile_prog "" "" ; then
3775   fallocate_punch_hole=yes
3776 fi
3777
3778 # check that fallocate supports range zeroing inside the file
3779 fallocate_zero_range=no
3780 cat > $TMPC << EOF
3781 #include <fcntl.h>
3782 #include <linux/falloc.h>
3783
3784 int main(void)
3785 {
3786     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
3787     return 0;
3788 }
3789 EOF
3790 if compile_prog "" "" ; then
3791   fallocate_zero_range=yes
3792 fi
3793
3794 # check for posix_fallocate
3795 posix_fallocate=no
3796 cat > $TMPC << EOF
3797 #include <fcntl.h>
3798
3799 int main(void)
3800 {
3801     posix_fallocate(0, 0, 0);
3802     return 0;
3803 }
3804 EOF
3805 if compile_prog "" "" ; then
3806     posix_fallocate=yes
3807 fi
3808
3809 # check for sync_file_range
3810 sync_file_range=no
3811 cat > $TMPC << EOF
3812 #include <fcntl.h>
3813
3814 int main(void)
3815 {
3816     sync_file_range(0, 0, 0, 0);
3817     return 0;
3818 }
3819 EOF
3820 if compile_prog "" "" ; then
3821   sync_file_range=yes
3822 fi
3823
3824 # check for linux/fiemap.h and FS_IOC_FIEMAP
3825 fiemap=no
3826 cat > $TMPC << EOF
3827 #include <sys/ioctl.h>
3828 #include <linux/fs.h>
3829 #include <linux/fiemap.h>
3830
3831 int main(void)
3832 {
3833     ioctl(0, FS_IOC_FIEMAP, 0);
3834     return 0;
3835 }
3836 EOF
3837 if compile_prog "" "" ; then
3838   fiemap=yes
3839 fi
3840
3841 # check for dup3
3842 dup3=no
3843 cat > $TMPC << EOF
3844 #include <unistd.h>
3845
3846 int main(void)
3847 {
3848     dup3(0, 0, 0);
3849     return 0;
3850 }
3851 EOF
3852 if compile_prog "" "" ; then
3853   dup3=yes
3854 fi
3855
3856 # check for ppoll support
3857 ppoll=no
3858 cat > $TMPC << EOF
3859 #include <poll.h>
3860
3861 int main(void)
3862 {
3863     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
3864     ppoll(&pfd, 1, 0, 0);
3865     return 0;
3866 }
3867 EOF
3868 if compile_prog "" "" ; then
3869   ppoll=yes
3870 fi
3871
3872 # check for prctl(PR_SET_TIMERSLACK , ... ) support
3873 prctl_pr_set_timerslack=no
3874 cat > $TMPC << EOF
3875 #include <sys/prctl.h>
3876
3877 int main(void)
3878 {
3879     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
3880     return 0;
3881 }
3882 EOF
3883 if compile_prog "" "" ; then
3884   prctl_pr_set_timerslack=yes
3885 fi
3886
3887 # check for epoll support
3888 epoll=no
3889 cat > $TMPC << EOF
3890 #include <sys/epoll.h>
3891
3892 int main(void)
3893 {
3894     epoll_create(0);
3895     return 0;
3896 }
3897 EOF
3898 if compile_prog "" "" ; then
3899   epoll=yes
3900 fi
3901
3902 # epoll_create1 is a later addition
3903 # so we must check separately for its presence
3904 epoll_create1=no
3905 cat > $TMPC << EOF
3906 #include <sys/epoll.h>
3907
3908 int main(void)
3909 {
3910     /* Note that we use epoll_create1 as a value, not as
3911      * a function being called. This is necessary so that on
3912      * old SPARC glibc versions where the function was present in
3913      * the library but not declared in the header file we will
3914      * fail the configure check. (Otherwise we will get a compiler
3915      * warning but not an error, and will proceed to fail the
3916      * qemu compile where we compile with -Werror.)
3917      */
3918     return (int)(uintptr_t)&epoll_create1;
3919 }
3920 EOF
3921 if compile_prog "" "" ; then
3922   epoll_create1=yes
3923 fi
3924
3925 # check for sendfile support
3926 sendfile=no
3927 cat > $TMPC << EOF
3928 #include <sys/sendfile.h>
3929
3930 int main(void)
3931 {
3932     return sendfile(0, 0, 0, 0);
3933 }
3934 EOF
3935 if compile_prog "" "" ; then
3936   sendfile=yes
3937 fi
3938
3939 # check for timerfd support (glibc 2.8 and newer)
3940 timerfd=no
3941 cat > $TMPC << EOF
3942 #include <sys/timerfd.h>
3943
3944 int main(void)
3945 {
3946     return(timerfd_create(CLOCK_REALTIME, 0));
3947 }
3948 EOF
3949 if compile_prog "" "" ; then
3950   timerfd=yes
3951 fi
3952
3953 # check for setns and unshare support
3954 setns=no
3955 cat > $TMPC << EOF
3956 #include <sched.h>
3957
3958 int main(void)
3959 {
3960     int ret;
3961     ret = setns(0, 0);
3962     ret = unshare(0);
3963     return ret;
3964 }
3965 EOF
3966 if compile_prog "" "" ; then
3967   setns=yes
3968 fi
3969
3970 # clock_adjtime probe
3971 clock_adjtime=no
3972 cat > $TMPC <<EOF
3973 #include <time.h>
3974
3975 int main(void)
3976 {
3977     return clock_adjtime(0, 0);
3978 }
3979 EOF
3980 clock_adjtime=no
3981 if compile_prog "" "" ; then
3982   clock_adjtime=yes
3983 fi
3984
3985 # syncfs probe
3986 syncfs=no
3987 cat > $TMPC <<EOF
3988 #include <unistd.h>
3989
3990 int main(void)
3991 {
3992     return syncfs(0);
3993 }
3994 EOF
3995 syncfs=no
3996 if compile_prog "" "" ; then
3997   syncfs=yes
3998 fi
3999
4000 # Check if tools are available to build documentation.
4001 if test "$docs" != "no" ; then
4002   if has makeinfo && has pod2man; then
4003     docs=yes
4004   else
4005     if test "$docs" = "yes" ; then
4006       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
4007     fi
4008     docs=no
4009   fi
4010 fi
4011
4012 # Search for bswap_32 function
4013 byteswap_h=no
4014 cat > $TMPC << EOF
4015 #include <byteswap.h>
4016 int main(void) { return bswap_32(0); }
4017 EOF
4018 if compile_prog "" "" ; then
4019   byteswap_h=yes
4020 fi
4021
4022 # Search for bswap32 function
4023 bswap_h=no
4024 cat > $TMPC << EOF
4025 #include <sys/endian.h>
4026 #include <sys/types.h>
4027 #include <machine/bswap.h>
4028 int main(void) { return bswap32(0); }
4029 EOF
4030 if compile_prog "" "" ; then
4031   bswap_h=yes
4032 fi
4033
4034 ##########################################
4035 # Do we have libiscsi >= 1.9.0
4036 if test "$libiscsi" != "no" ; then
4037   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4038     libiscsi="yes"
4039     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4040     libiscsi_libs=$($pkg_config --libs libiscsi)
4041   else
4042     if test "$libiscsi" = "yes" ; then
4043       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4044     fi
4045     libiscsi="no"
4046   fi
4047 fi
4048
4049 ##########################################
4050 # Do we need libm
4051 cat > $TMPC << EOF
4052 #include <math.h>
4053 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4054 EOF
4055 if compile_prog "" "" ; then
4056   :
4057 elif compile_prog "" "-lm" ; then
4058   LIBS="-lm $LIBS"
4059   libs_qga="-lm $libs_qga"
4060 else
4061   error_exit "libm check failed"
4062 fi
4063
4064 ##########################################
4065 # Do we need librt
4066 # uClibc provides 2 versions of clock_gettime(), one with realtime
4067 # support and one without. This means that the clock_gettime() don't
4068 # need -lrt. We still need it for timer_create() so we check for this
4069 # function in addition.
4070 cat > $TMPC <<EOF
4071 #include <signal.h>
4072 #include <time.h>
4073 int main(void) {
4074   timer_create(CLOCK_REALTIME, NULL, NULL);
4075   return clock_gettime(CLOCK_REALTIME, NULL);
4076 }
4077 EOF
4078
4079 if compile_prog "" "" ; then
4080   :
4081 # we need pthread for static linking. use previous pthread test result
4082 elif compile_prog "" "$pthread_lib -lrt" ; then
4083   LIBS="$LIBS -lrt"
4084   libs_qga="$libs_qga -lrt"
4085 fi
4086
4087 if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
4088         "$aix" != "yes" -a "$haiku" != "yes" ; then
4089     libs_softmmu="-lutil $libs_softmmu"
4090 fi
4091
4092 ##########################################
4093 # spice probe
4094 if test "$spice" != "no" ; then
4095   cat > $TMPC << EOF
4096 #include <spice.h>
4097 int main(void) { spice_server_new(); return 0; }
4098 EOF
4099   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4100   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4101   if $pkg_config --atleast-version=0.12.0 spice-server && \
4102      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4103      compile_prog "$spice_cflags" "$spice_libs" ; then
4104     spice="yes"
4105     libs_softmmu="$libs_softmmu $spice_libs"
4106     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4107     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4108     spice_server_version=$($pkg_config --modversion spice-server)
4109   else
4110     if test "$spice" = "yes" ; then
4111       feature_not_found "spice" \
4112           "Install spice-server(>=0.12.0) and spice-protocol(>=0.12.3) devel"
4113     fi
4114     spice="no"
4115   fi
4116 fi
4117
4118 # check for smartcard support
4119 smartcard_cflags=""
4120 if test "$smartcard" != "no"; then
4121     if $pkg_config libcacard; then
4122         libcacard_cflags=$($pkg_config --cflags libcacard)
4123         libcacard_libs=$($pkg_config --libs libcacard)
4124         QEMU_CFLAGS="$QEMU_CFLAGS $libcacard_cflags"
4125         libs_softmmu="$libs_softmmu $libcacard_libs"
4126         smartcard="yes"
4127     else
4128         if test "$smartcard" = "yes"; then
4129             feature_not_found "smartcard" "Install libcacard devel"
4130         fi
4131         smartcard="no"
4132     fi
4133 fi
4134
4135 # check for libusb
4136 if test "$libusb" != "no" ; then
4137     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4138         libusb="yes"
4139         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4140         libusb_libs=$($pkg_config --libs libusb-1.0)
4141         QEMU_CFLAGS="$QEMU_CFLAGS $libusb_cflags"
4142         libs_softmmu="$libs_softmmu $libusb_libs"
4143     else
4144         if test "$libusb" = "yes"; then
4145             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4146         fi
4147         libusb="no"
4148     fi
4149 fi
4150
4151 # check for usbredirparser for usb network redirection support
4152 if test "$usb_redir" != "no" ; then
4153     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4154         usb_redir="yes"
4155         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4156         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4157         QEMU_CFLAGS="$QEMU_CFLAGS $usb_redir_cflags"
4158         libs_softmmu="$libs_softmmu $usb_redir_libs"
4159     else
4160         if test "$usb_redir" = "yes"; then
4161             feature_not_found "usb-redir" "Install usbredir devel"
4162         fi
4163         usb_redir="no"
4164     fi
4165 fi
4166
4167 ##########################################
4168 # check if we have VSS SDK headers for win
4169
4170 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
4171   case "$vss_win32_sdk" in
4172     "")   vss_win32_include="-isystem $source_path" ;;
4173     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4174           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4175           vss_win32_include="-isystem $source_path/.sdk/vss"
4176           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4177           ;;
4178     *)    vss_win32_include="-isystem $vss_win32_sdk"
4179   esac
4180   cat > $TMPC << EOF
4181 #define __MIDL_user_allocate_free_DEFINED__
4182 #include <inc/win2003/vss.h>
4183 int main(void) { return VSS_CTX_BACKUP; }
4184 EOF
4185   if compile_prog "$vss_win32_include" "" ; then
4186     guest_agent_with_vss="yes"
4187     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4188     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4189     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4190   else
4191     if test "$vss_win32_sdk" != "" ; then
4192       echo "ERROR: Please download and install Microsoft VSS SDK:"
4193       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4194       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4195       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4196       echo "ERROR: The headers are extracted in the directory \`inc'."
4197       feature_not_found "VSS support"
4198     fi
4199     guest_agent_with_vss="no"
4200   fi
4201 fi
4202
4203 ##########################################
4204 # lookup Windows platform SDK (if not specified)
4205 # The SDK is needed only to build .tlb (type library) file of guest agent
4206 # VSS provider from the source. It is usually unnecessary because the
4207 # pre-compiled .tlb file is included.
4208
4209 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
4210   if test -z "$win_sdk"; then
4211     programfiles="$PROGRAMFILES"
4212     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4213     if test -n "$programfiles"; then
4214       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4215     else
4216       feature_not_found "Windows SDK"
4217     fi
4218   elif test "$win_sdk" = "no"; then
4219     win_sdk=""
4220   fi
4221 fi
4222
4223 ##########################################
4224 # check if mingw environment provides a recent ntddscsi.h
4225 if test "$mingw32" = "yes" -a "$guest_agent" != "no"; then
4226   cat > $TMPC << EOF
4227 #include <windows.h>
4228 #include <ntddscsi.h>
4229 int main(void) {
4230 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4231 #error Missing required ioctl definitions
4232 #endif
4233   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4234   return addr.Lun;
4235 }
4236 EOF
4237   if compile_prog "" "" ; then
4238     guest_agent_ntddscsi=yes
4239     libs_qga="-lsetupapi $libs_qga"
4240   fi
4241 fi
4242
4243 ##########################################
4244 # virgl renderer probe
4245
4246 if test "$virglrenderer" != "no" ; then
4247   cat > $TMPC << EOF
4248 #include <virglrenderer.h>
4249 int main(void) { virgl_renderer_poll(); return 0; }
4250 EOF
4251   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4252   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4253   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4254      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4255     virglrenderer="yes"
4256   else
4257     if test "$virglrenderer" = "yes" ; then
4258       feature_not_found "virglrenderer"
4259     fi
4260     virglrenderer="no"
4261   fi
4262 fi
4263
4264 ##########################################
4265 # check if we have fdatasync
4266
4267 fdatasync=no
4268 cat > $TMPC << EOF
4269 #include <unistd.h>
4270 int main(void) {
4271 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4272 return fdatasync(0);
4273 #else
4274 #error Not supported
4275 #endif
4276 }
4277 EOF
4278 if compile_prog "" "" ; then
4279     fdatasync=yes
4280 fi
4281
4282 ##########################################
4283 # check if we have madvise
4284
4285 madvise=no
4286 cat > $TMPC << EOF
4287 #include <sys/types.h>
4288 #include <sys/mman.h>
4289 #include <stddef.h>
4290 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4291 EOF
4292 if compile_prog "" "" ; then
4293     madvise=yes
4294 fi
4295
4296 ##########################################
4297 # check if we have posix_madvise
4298
4299 posix_madvise=no
4300 cat > $TMPC << EOF
4301 #include <sys/mman.h>
4302 #include <stddef.h>
4303 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4304 EOF
4305 if compile_prog "" "" ; then
4306     posix_madvise=yes
4307 fi
4308
4309 ##########################################
4310 # check if we have posix_syslog
4311
4312 posix_syslog=no
4313 cat > $TMPC << EOF
4314 #include <syslog.h>
4315 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4316 EOF
4317 if compile_prog "" "" ; then
4318     posix_syslog=yes
4319 fi
4320
4321 ##########################################
4322 # check if trace backend exists
4323
4324 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4325 if test "$?" -ne 0 ; then
4326   error_exit "invalid trace backends" \
4327       "Please choose supported trace backends."
4328 fi
4329
4330 ##########################################
4331 # For 'ust' backend, test if ust headers are present
4332 if have_backend "ust"; then
4333   cat > $TMPC << EOF
4334 #include <lttng/tracepoint.h>
4335 int main(void) { return 0; }
4336 EOF
4337   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4338     if $pkg_config lttng-ust --exists; then
4339       lttng_ust_libs=$($pkg_config --libs lttng-ust)
4340     else
4341       lttng_ust_libs="-llttng-ust -ldl"
4342     fi
4343     if $pkg_config liburcu-bp --exists; then
4344       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4345     else
4346       urcu_bp_libs="-lurcu-bp"
4347     fi
4348
4349     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
4350     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
4351   else
4352     error_exit "Trace backend 'ust' missing lttng-ust header files"
4353   fi
4354 fi
4355
4356 ##########################################
4357 # For 'dtrace' backend, test if 'dtrace' command is present
4358 if have_backend "dtrace"; then
4359   if ! has 'dtrace' ; then
4360     error_exit "dtrace command is not found in PATH $PATH"
4361   fi
4362   trace_backend_stap="no"
4363   if has 'stap' ; then
4364     trace_backend_stap="yes"
4365   fi
4366 fi
4367
4368 ##########################################
4369 # check and set a backend for coroutine
4370
4371 # We prefer ucontext, but it's not always possible. The fallback
4372 # is sigcontext. gthread is not selectable except explicitly, because
4373 # it is not functional enough to run QEMU proper. (It is occasionally
4374 # useful for debugging purposes.)  On Windows the only valid backend
4375 # is the Windows-specific one.
4376
4377 ucontext_works=no
4378 if test "$darwin" != "yes"; then
4379   cat > $TMPC << EOF
4380 #include <ucontext.h>
4381 #ifdef __stub_makecontext
4382 #error Ignoring glibc stub makecontext which will always fail
4383 #endif
4384 int main(void) { makecontext(0, 0, 0); return 0; }
4385 EOF
4386   if compile_prog "" "" ; then
4387     ucontext_works=yes
4388   fi
4389 fi
4390
4391 if test "$coroutine" = ""; then
4392   if test "$mingw32" = "yes"; then
4393     coroutine=win32
4394   elif test "$ucontext_works" = "yes"; then
4395     coroutine=ucontext
4396   else
4397     coroutine=sigaltstack
4398   fi
4399 else
4400   case $coroutine in
4401   windows)
4402     if test "$mingw32" != "yes"; then
4403       error_exit "'windows' coroutine backend only valid for Windows"
4404     fi
4405     # Unfortunately the user visible backend name doesn't match the
4406     # coroutine-*.c filename for this case, so we have to adjust it here.
4407     coroutine=win32
4408     ;;
4409   ucontext)
4410     if test "$ucontext_works" != "yes"; then
4411       feature_not_found "ucontext"
4412     fi
4413     ;;
4414   gthread|sigaltstack)
4415     if test "$mingw32" = "yes"; then
4416       error_exit "only the 'windows' coroutine backend is valid for Windows"
4417     fi
4418     ;;
4419   *)
4420     error_exit "unknown coroutine backend $coroutine"
4421     ;;
4422   esac
4423 fi
4424
4425 if test "$coroutine_pool" = ""; then
4426   if test "$coroutine" = "gthread"; then
4427     coroutine_pool=no
4428   else
4429     coroutine_pool=yes
4430   fi
4431 fi
4432 if test "$coroutine" = "gthread" -a "$coroutine_pool" = "yes"; then
4433   error_exit "'gthread' coroutine backend does not support pool (use --disable-coroutine-pool)"
4434 fi
4435
4436 if test "$debug_stack_usage" = "yes"; then
4437   if test "$cpu" = "ia64" -o "$cpu" = "hppa"; then
4438     error_exit "stack usage debugging is not supported for $cpu"
4439   fi
4440   if test "$coroutine_pool" = "yes"; then
4441     echo "WARN: disabling coroutine pool for stack usage debugging"
4442     coroutine_pool=no
4443   fi
4444 fi
4445
4446
4447 ##########################################
4448 # check if we have open_by_handle_at
4449
4450 open_by_handle_at=no
4451 cat > $TMPC << EOF
4452 #include <fcntl.h>
4453 #if !defined(AT_EMPTY_PATH)
4454 # error missing definition
4455 #else
4456 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4457 #endif
4458 EOF
4459 if compile_prog "" "" ; then
4460     open_by_handle_at=yes
4461 fi
4462
4463 ########################################
4464 # check if we have linux/magic.h
4465
4466 linux_magic_h=no
4467 cat > $TMPC << EOF
4468 #include <linux/magic.h>
4469 int main(void) {
4470   return 0;
4471 }
4472 EOF
4473 if compile_prog "" "" ; then
4474     linux_magic_h=yes
4475 fi
4476
4477 ########################################
4478 # check whether we can disable warning option with a pragma (this is needed
4479 # to silence warnings in the headers of some versions of external libraries).
4480 # This test has to be compiled with -Werror as otherwise an unknown pragma is
4481 # only a warning.
4482 #
4483 # If we can't selectively disable warning in the code, disable -Werror so that
4484 # the build doesn't fail anyway.
4485
4486 pragma_disable_unused_but_set=no
4487 cat > $TMPC << EOF
4488 #pragma GCC diagnostic push
4489 #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
4490 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
4491 #pragma GCC diagnostic pop
4492
4493 int main(void) {
4494     return 0;
4495 }
4496 EOF
4497 if compile_prog "-Werror" "" ; then
4498     pragma_diagnostic_available=yes
4499 else
4500     werror=no
4501 fi
4502
4503 ########################################
4504 # check if we have valgrind/valgrind.h
4505
4506 valgrind_h=no
4507 cat > $TMPC << EOF
4508 #include <valgrind/valgrind.h>
4509 int main(void) {
4510   return 0;
4511 }
4512 EOF
4513 if compile_prog "" "" ; then
4514     valgrind_h=yes
4515 fi
4516
4517 ########################################
4518 # check if environ is declared
4519
4520 has_environ=no
4521 cat > $TMPC << EOF
4522 #include <unistd.h>
4523 int main(void) {
4524     environ = 0;
4525     return 0;
4526 }
4527 EOF
4528 if compile_prog "" "" ; then
4529     has_environ=yes
4530 fi
4531
4532 ########################################
4533 # check if cpuid.h is usable.
4534
4535 cpuid_h=no
4536 cat > $TMPC << EOF
4537 #include <cpuid.h>
4538 int main(void) {
4539     unsigned a, b, c, d;
4540     int max = __get_cpuid_max(0, 0);
4541
4542     if (max >= 1) {
4543         __cpuid(1, a, b, c, d);
4544     }
4545
4546     if (max >= 7) {
4547         __cpuid_count(7, 0, a, b, c, d);
4548     }
4549
4550     return 0;
4551 }
4552 EOF
4553 if compile_prog "" "" ; then
4554     cpuid_h=yes
4555 fi
4556
4557 ########################################
4558 # check if __[u]int128_t is usable.
4559
4560 int128=no
4561 cat > $TMPC << EOF
4562 #if defined(__clang_major__) && defined(__clang_minor__)
4563 # if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
4564 #  error __int128_t does not work in CLANG before 3.2
4565 # endif
4566 #endif
4567 __int128_t a;
4568 __uint128_t b;
4569 int main (void) {
4570   a = a + b;
4571   b = a * b;
4572   a = a * a;
4573   return 0;
4574 }
4575 EOF
4576 if compile_prog "" "" ; then
4577     int128=yes
4578 fi
4579
4580 #########################################
4581 # See if 128-bit atomic operations are supported.
4582
4583 atomic128=no
4584 if test "$int128" = "yes"; then
4585   cat > $TMPC << EOF
4586 int main(void)
4587 {
4588   unsigned __int128 x = 0, y = 0;
4589   y = __atomic_load_16(&x, 0);
4590   __atomic_store_16(&x, y, 0);
4591   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
4592   return 0;
4593 }
4594 EOF
4595   if compile_prog "" "" ; then
4596     atomic128=yes
4597   fi
4598 fi
4599
4600 #########################################
4601 # See if 64-bit atomic operations are supported.
4602 # Note that without __atomic builtins, we can only
4603 # assume atomic loads/stores max at pointer size.
4604
4605 cat > $TMPC << EOF
4606 #include <stdint.h>
4607 int main(void)
4608 {
4609   uint64_t x = 0, y = 0;
4610 #ifdef __ATOMIC_RELAXED
4611   y = __atomic_load_8(&x, 0);
4612   __atomic_store_8(&x, y, 0);
4613   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
4614   __atomic_exchange_8(&x, y, 0);
4615   __atomic_fetch_add_8(&x, y, 0);
4616 #else
4617   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
4618   __sync_lock_test_and_set(&x, y);
4619   __sync_val_compare_and_swap(&x, y, 0);
4620   __sync_fetch_and_add(&x, y);
4621 #endif
4622   return 0;
4623 }
4624 EOF
4625 if compile_prog "" "" ; then
4626   atomic64=yes
4627 fi
4628
4629 ########################################
4630 # check if getauxval is available.
4631
4632 getauxval=no
4633 cat > $TMPC << EOF
4634 #include <sys/auxv.h>
4635 int main(void) {
4636   return getauxval(AT_HWCAP) == 0;
4637 }
4638 EOF
4639 if compile_prog "" "" ; then
4640     getauxval=yes
4641 fi
4642
4643 ########################################
4644 # check if ccache is interfering with
4645 # semantic analysis of macros
4646
4647 unset CCACHE_CPP2
4648 ccache_cpp2=no
4649 cat > $TMPC << EOF
4650 static const int Z = 1;
4651 #define fn() ({ Z; })
4652 #define TAUT(X) ((X) == Z)
4653 #define PAREN(X, Y) (X == Y)
4654 #define ID(X) (X)
4655 int main(int argc, char *argv[])
4656 {
4657     int x = 0, y = 0;
4658     x = ID(x);
4659     x = fn();
4660     fn();
4661     if (PAREN(x, y)) return 0;
4662     if (TAUT(Z)) return 0;
4663     return 0;
4664 }
4665 EOF
4666
4667 if ! compile_object "-Werror"; then
4668     ccache_cpp2=yes
4669 fi
4670
4671 #################################################
4672 # clang does not support glibc + FORTIFY_SOURCE.
4673
4674 if test "$fortify_source" != "no"; then
4675   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
4676     fortify_source="no";
4677   elif test -n "$cxx" &&
4678        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
4679     fortify_source="no";
4680   else
4681     fortify_source="yes"
4682   fi
4683 fi
4684
4685 ##########################################
4686 # check if struct fsxattr is available via linux/fs.h
4687
4688 have_fsxattr=no
4689 cat > $TMPC << EOF
4690 #include <linux/fs.h>
4691 struct fsxattr foo;
4692 int main(void) {
4693   return 0;
4694 }
4695 EOF
4696 if compile_prog "" "" ; then
4697     have_fsxattr=yes
4698 fi
4699
4700 ##########################################
4701 # check if rtnetlink.h exists and is useful
4702 have_rtnetlink=no
4703 cat > $TMPC << EOF
4704 #include <linux/rtnetlink.h>
4705 int main(void) {
4706   return IFLA_PROTO_DOWN;
4707 }
4708 EOF
4709 if compile_prog "" "" ; then
4710     have_rtnetlink=yes
4711 fi
4712
4713 ##########################################
4714 # check for usable AF_VSOCK environment
4715 have_af_vsock=no
4716 cat > $TMPC << EOF
4717 #include <errno.h>
4718 #include <sys/types.h>
4719 #include <sys/socket.h>
4720 #if !defined(AF_VSOCK)
4721 # error missing AF_VSOCK flag
4722 #endif
4723 #include <linux/vm_sockets.h>
4724 int main(void) {
4725     int sock, ret;
4726     struct sockaddr_vm svm;
4727     socklen_t len = sizeof(svm);
4728     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
4729     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
4730     if ((ret == -1) && (errno == ENOTCONN)) {
4731         return 0;
4732     }
4733     return -1;
4734 }
4735 EOF
4736 if compile_prog "" "" ; then
4737     have_af_vsock=yes
4738 fi
4739
4740 #################################################
4741 # Sparc implicitly links with --relax, which is
4742 # incompatible with -r, so --no-relax should be
4743 # given. It does no harm to give it on other
4744 # platforms too.
4745
4746 # Note: the prototype is needed since QEMU_CFLAGS
4747 #       contains -Wmissing-prototypes
4748 cat > $TMPC << EOF
4749 extern int foo(void);
4750 int foo(void) { return 0; }
4751 EOF
4752 if ! compile_object ""; then
4753   error_exit "Failed to compile object file for LD_REL_FLAGS test"
4754 fi
4755 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
4756   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
4757     LD_REL_FLAGS=$i
4758     break
4759   fi
4760 done
4761 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
4762   feature_not_found "modules" "Cannot find how to build relocatable objects"
4763 fi
4764
4765 ##########################################
4766 # check for sysmacros.h
4767
4768 have_sysmacros=no
4769 cat > $TMPC << EOF
4770 #include <sys/sysmacros.h>
4771 int main(void) {
4772     return makedev(0, 0);
4773 }
4774 EOF
4775 if compile_prog "" "" ; then
4776     have_sysmacros=yes
4777 fi
4778
4779 ##########################################
4780 # End of CC checks
4781 # After here, no more $cc or $ld runs
4782
4783 if test "$gcov" = "yes" ; then
4784   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
4785   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
4786 elif test "$fortify_source" = "yes" ; then
4787   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
4788 elif test "$debug" = "no"; then
4789   CFLAGS="-O2 $CFLAGS"
4790 fi
4791
4792 ##########################################
4793 # Do we have libnfs
4794 if test "$libnfs" != "no" ; then
4795   if $pkg_config --atleast-version=1.9.3 libnfs; then
4796     libnfs="yes"
4797     libnfs_libs=$($pkg_config --libs libnfs)
4798   else
4799     if test "$libnfs" = "yes" ; then
4800       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
4801     fi
4802     libnfs="no"
4803   fi
4804 fi
4805
4806 # Now we've finished running tests it's OK to add -Werror to the compiler flags
4807 if test "$werror" = "yes"; then
4808     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
4809 fi
4810
4811 if test "$solaris" = "no" ; then
4812     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
4813         LDFLAGS="-Wl,--warn-common $LDFLAGS"
4814     fi
4815 fi
4816
4817 # test if pod2man has --utf8 option
4818 if pod2man --help | grep -q utf8; then
4819     POD2MAN="pod2man --utf8"
4820 else
4821     POD2MAN="pod2man"
4822 fi
4823
4824 # Use ASLR, no-SEH and DEP if available
4825 if test "$mingw32" = "yes" ; then
4826     for flag in --dynamicbase --no-seh --nxcompat; do
4827         if $ld --help 2>/dev/null | grep ".$flag" >/dev/null 2>/dev/null ; then
4828             LDFLAGS="-Wl,$flag $LDFLAGS"
4829         fi
4830     done
4831 fi
4832
4833 qemu_confdir=$sysconfdir$confsuffix
4834 qemu_moddir=$libdir$confsuffix
4835 qemu_datadir=$datadir$confsuffix
4836 qemu_localedir="$datadir/locale"
4837
4838 tools=""
4839 if test "$want_tools" = "yes" ; then
4840   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
4841   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
4842     tools="qemu-nbd\$(EXESUF) $tools"
4843     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
4844   fi
4845 fi
4846 if test "$softmmu" = yes ; then
4847   if test "$virtfs" != no ; then
4848     if test "$cap" = yes && test "$linux" = yes && test "$attr" = yes ; then
4849       virtfs=yes
4850       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
4851     else
4852       if test "$virtfs" = yes; then
4853         error_exit "VirtFS is supported only on Linux and requires libcap devel and libattr devel"
4854       fi
4855       virtfs=no
4856     fi
4857   fi
4858 fi
4859
4860 # Probe for guest agent support/options
4861
4862 if [ "$guest_agent" != "no" ]; then
4863   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
4864       tools="qemu-ga $tools"
4865       guest_agent=yes
4866   elif [ "$guest_agent" != yes ]; then
4867       guest_agent=no
4868   else
4869       error_exit "Guest agent is not supported on this platform"
4870   fi
4871 fi
4872
4873 # Guest agent Window MSI  package
4874
4875 if test "$guest_agent" != yes; then
4876   if test "$guest_agent_msi" = yes; then
4877     error_exit "MSI guest agent package requires guest agent enabled"
4878   fi
4879   guest_agent_msi=no
4880 elif test "$mingw32" != "yes"; then
4881   if test "$guest_agent_msi" = "yes"; then
4882     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
4883   fi
4884   guest_agent_msi=no
4885 elif ! has wixl; then
4886   if test "$guest_agent_msi" = "yes"; then
4887     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
4888   fi
4889   guest_agent_msi=no
4890 else
4891   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
4892   # disabled explicitly
4893   if test "$guest_agent_msi" != "no"; then
4894     guest_agent_msi=yes
4895   fi
4896 fi
4897
4898 if test "$guest_agent_msi" = "yes"; then
4899   if test "$guest_agent_with_vss" = "yes"; then
4900     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
4901   fi
4902
4903   if test "$QEMU_GA_MANUFACTURER" = ""; then
4904     QEMU_GA_MANUFACTURER=QEMU
4905   fi
4906
4907   if test "$QEMU_GA_DISTRO" = ""; then
4908     QEMU_GA_DISTRO=Linux
4909   fi
4910
4911   if test "$QEMU_GA_VERSION" = ""; then
4912       QEMU_GA_VERSION=$(cat $source_path/VERSION)
4913   fi
4914
4915   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
4916
4917   case "$cpu" in
4918   x86_64)
4919     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
4920     ;;
4921   i386)
4922     QEMU_GA_MSI_ARCH="-D Arch=32"
4923     ;;
4924   *)
4925     error_exit "CPU $cpu not supported for building installation package"
4926     ;;
4927   esac
4928 fi
4929
4930 # Mac OS X ships with a broken assembler
4931 roms=
4932 if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
4933         "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
4934         "$softmmu" = yes ; then
4935     # Different host OS linkers have different ideas about the name of the ELF
4936     # emulation. Linux and OpenBSD use 'elf_i386'; FreeBSD uses the _fbsd
4937     # variant; and Windows uses i386pe.
4938     for emu in elf_i386 elf_i386_fbsd i386pe; do
4939         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
4940             ld_i386_emulation="$emu"
4941             roms="optionrom"
4942             break
4943         fi
4944     done
4945 fi
4946 if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
4947   roms="$roms spapr-rtas"
4948 fi
4949
4950 if test "$cpu" = "s390x" ; then
4951   roms="$roms s390-ccw"
4952 fi
4953
4954 # Probe for the need for relocating the user-only binary.
4955 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
4956   textseg_addr=
4957   case "$cpu" in
4958     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
4959       # ??? Rationale for choosing this address
4960       textseg_addr=0x60000000
4961       ;;
4962     mips)
4963       # A 256M aligned address, high in the address space, with enough
4964       # room for the code_gen_buffer above it before the stack.
4965       textseg_addr=0x60000000
4966       ;;
4967   esac
4968   if [ -n "$textseg_addr" ]; then
4969     cat > $TMPC <<EOF
4970     int main(void) { return 0; }
4971 EOF
4972     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
4973     if ! compile_prog "" "$textseg_ldflags"; then
4974       # In case ld does not support -Ttext-segment, edit the default linker
4975       # script via sed to set the .text start addr.  This is needed on FreeBSD
4976       # at least.
4977       if ! $ld --verbose >/dev/null 2>&1; then
4978         error_exit \
4979             "We need to link the QEMU user mode binaries at a" \
4980             "specific text address. Unfortunately your linker" \
4981             "doesn't support either the -Ttext-segment option or" \
4982             "printing the default linker script with --verbose." \
4983             "If you don't want the user mode binaries, pass the" \
4984             "--disable-user option to configure."
4985       fi
4986
4987       $ld --verbose | sed \
4988         -e '1,/==================================================/d' \
4989         -e '/==================================================/,$d' \
4990         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
4991         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
4992       textseg_ldflags="-Wl,-T../config-host.ld"
4993     fi
4994   fi
4995 fi
4996
4997 echo_version() {
4998     if test "$1" = "yes" ; then
4999         echo "($2)"
5000     fi
5001 }
5002
5003 # prepend pixman and ftd flags after all config tests are done
5004 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
5005 libs_softmmu="$pixman_libs $libs_softmmu"
5006
5007 echo "Install prefix    $prefix"
5008 echo "BIOS directory    $(eval echo $qemu_datadir)"
5009 echo "binary directory  $(eval echo $bindir)"
5010 echo "library directory $(eval echo $libdir)"
5011 echo "module directory  $(eval echo $qemu_moddir)"
5012 echo "libexec directory $(eval echo $libexecdir)"
5013 echo "include directory $(eval echo $includedir)"
5014 echo "config directory  $(eval echo $sysconfdir)"
5015 if test "$mingw32" = "no" ; then
5016 echo "local state directory   $(eval echo $local_statedir)"
5017 echo "Manual directory  $(eval echo $mandir)"
5018 echo "ELF interp prefix $interp_prefix"
5019 else
5020 echo "local state directory   queried at runtime"
5021 echo "Windows SDK       $win_sdk"
5022 fi
5023 echo "Source path       $source_path"
5024 echo "C compiler        $cc"
5025 echo "Host C compiler   $host_cc"
5026 echo "C++ compiler      $cxx"
5027 echo "Objective-C compiler $objcc"
5028 echo "ARFLAGS           $ARFLAGS"
5029 echo "CFLAGS            $CFLAGS"
5030 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
5031 echo "LDFLAGS           $LDFLAGS"
5032 echo "make              $make"
5033 echo "install           $install"
5034 echo "python            $python"
5035 if test "$slirp" = "yes" ; then
5036     echo "smbd              $smbd"
5037 fi
5038 echo "module support    $modules"
5039 echo "host CPU          $cpu"
5040 echo "host big endian   $bigendian"
5041 echo "target list       $target_list"
5042 echo "tcg debug enabled $debug_tcg"
5043 echo "gprof enabled     $gprof"
5044 echo "sparse enabled    $sparse"
5045 echo "strip binaries    $strip_opt"
5046 echo "profiler          $profiler"
5047 echo "static build      $static"
5048 if test "$darwin" = "yes" ; then
5049     echo "Cocoa support     $cocoa"
5050 fi
5051 echo "pixman            $pixman"
5052 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
5053 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
5054 echo "GTK GL support    $gtk_gl"
5055 echo "VTE support       $vte $(echo_version $vte $vteversion)"
5056 echo "TLS priority      $tls_priority"
5057 echo "GNUTLS support    $gnutls"
5058 echo "GNUTLS rnd        $gnutls_rnd"
5059 echo "libgcrypt         $gcrypt"
5060 echo "libgcrypt kdf     $gcrypt_kdf"
5061 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
5062 echo "nettle kdf        $nettle_kdf"
5063 echo "libtasn1          $tasn1"
5064 echo "curses support    $curses"
5065 echo "virgl support     $virglrenderer"
5066 echo "curl support      $curl"
5067 echo "mingw32 support   $mingw32"
5068 echo "Audio drivers     $audio_drv_list"
5069 echo "Block whitelist (rw) $block_drv_rw_whitelist"
5070 echo "Block whitelist (ro) $block_drv_ro_whitelist"
5071 echo "VirtFS support    $virtfs"
5072 echo "VNC support       $vnc"
5073 if test "$vnc" = "yes" ; then
5074     echo "VNC SASL support  $vnc_sasl"
5075     echo "VNC JPEG support  $vnc_jpeg"
5076     echo "VNC PNG support   $vnc_png"
5077 fi
5078 if test -n "$sparc_cpu"; then
5079     echo "Target Sparc Arch $sparc_cpu"
5080 fi
5081 echo "xen support       $xen"
5082 if test "$xen" = "yes" ; then
5083   echo "xen ctrl version  $xen_ctrl_version"
5084   echo "pv dom build      $xen_pv_domain_build"
5085 fi
5086 echo "brlapi support    $brlapi"
5087 echo "bluez  support    $bluez"
5088 echo "Documentation     $docs"
5089 echo "PIE               $pie"
5090 echo "vde support       $vde"
5091 echo "netmap support    $netmap"
5092 echo "Linux AIO support $linux_aio"
5093 echo "ATTR/XATTR support $attr"
5094 echo "Install blobs     $blobs"
5095 echo "KVM support       $kvm"
5096 echo "HAX support       $hax"
5097 echo "RDMA support      $rdma"
5098 echo "TCG interpreter   $tcg_interpreter"
5099 echo "fdt support       $fdt"
5100 echo "preadv support    $preadv"
5101 echo "fdatasync         $fdatasync"
5102 echo "madvise           $madvise"
5103 echo "posix_madvise     $posix_madvise"
5104 echo "libcap-ng support $cap_ng"
5105 echo "vhost-net support $vhost_net"
5106 echo "vhost-scsi support $vhost_scsi"
5107 echo "vhost-vsock support $vhost_vsock"
5108 echo "Trace backends    $trace_backends"
5109 if have_backend "simple"; then
5110 echo "Trace output file $trace_file-<pid>"
5111 fi
5112 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
5113 echo "rbd support       $rbd"
5114 echo "xfsctl support    $xfs"
5115 echo "smartcard support $smartcard"
5116 echo "libusb            $libusb"
5117 echo "usb net redir     $usb_redir"
5118 echo "OpenGL support    $opengl"
5119 echo "OpenGL dmabufs    $opengl_dmabuf"
5120 echo "libiscsi support  $libiscsi"
5121 echo "libnfs support    $libnfs"
5122 echo "build guest agent $guest_agent"
5123 echo "QGA VSS support   $guest_agent_with_vss"
5124 echo "QGA w32 disk info $guest_agent_ntddscsi"
5125 echo "QGA MSI support   $guest_agent_msi"
5126 echo "seccomp support   $seccomp"
5127 echo "coroutine backend $coroutine"
5128 echo "coroutine pool    $coroutine_pool"
5129 echo "debug stack usage $debug_stack_usage"
5130 echo "GlusterFS support $glusterfs"
5131 echo "gcov              $gcov_tool"
5132 echo "gcov enabled      $gcov"
5133 echo "TPM support       $tpm"
5134 echo "libssh2 support   $libssh2"
5135 echo "TPM passthrough   $tpm_passthrough"
5136 echo "QOM debugging     $qom_cast_debug"
5137 echo "lzo support       $lzo"
5138 echo "snappy support    $snappy"
5139 echo "bzip2 support     $bzip2"
5140 echo "NUMA host support $numa"
5141 echo "tcmalloc support  $tcmalloc"
5142 echo "jemalloc support  $jemalloc"
5143 echo "avx2 optimization $avx2_opt"
5144 echo "replication support $replication"
5145
5146 if test "$sdl_too_old" = "yes"; then
5147 echo "-> Your SDL version is too old - please upgrade to have SDL support"
5148 fi
5149
5150 if test "$supported_cpu" = "no"; then
5151     echo
5152     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
5153     echo
5154     echo "CPU host architecture $cpu support is not currently maintained."
5155     echo "The QEMU project intends to remove support for this host CPU in"
5156     echo "a future release if nobody volunteers to maintain it and to"
5157     echo "provide a build host for our continuous integration setup."
5158     echo "configure has succeeded and you can continue to build, but"
5159     echo "if you care about QEMU on this platform you should contact"
5160     echo "us upstream at qemu-devel@nongnu.org."
5161 fi
5162
5163 if test "$supported_os" = "no"; then
5164     echo
5165     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
5166     echo
5167     echo "Host OS $targetos support is not currently maintained."
5168     echo "The QEMU project intends to remove support for this host OS in"
5169     echo "a future release if nobody volunteers to maintain it and to"
5170     echo "provide a build host for our continuous integration setup."
5171     echo "configure has succeeded and you can continue to build, but"
5172     echo "if you care about QEMU on this platform you should contact"
5173     echo "us upstream at qemu-devel@nongnu.org."
5174 fi
5175
5176 config_host_mak="config-host.mak"
5177
5178 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
5179
5180 echo "# Automatically generated by configure - do not modify" > $config_host_mak
5181 echo >> $config_host_mak
5182
5183 echo all: >> $config_host_mak
5184 echo "prefix=$prefix" >> $config_host_mak
5185 echo "bindir=$bindir" >> $config_host_mak
5186 echo "libdir=$libdir" >> $config_host_mak
5187 echo "libexecdir=$libexecdir" >> $config_host_mak
5188 echo "includedir=$includedir" >> $config_host_mak
5189 echo "mandir=$mandir" >> $config_host_mak
5190 echo "sysconfdir=$sysconfdir" >> $config_host_mak
5191 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
5192 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
5193 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
5194 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
5195 if test "$mingw32" = "no" ; then
5196   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
5197 fi
5198 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
5199 echo "extra_cflags=$EXTRA_CFLAGS" >> $config_host_mak
5200 echo "extra_ldflags=$EXTRA_LDFLAGS" >> $config_host_mak
5201 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
5202 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
5203
5204 echo "ARCH=$ARCH" >> $config_host_mak
5205
5206 if test "$debug_tcg" = "yes" ; then
5207   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
5208 fi
5209 if test "$strip_opt" = "yes" ; then
5210   echo "STRIP=${strip}" >> $config_host_mak
5211 fi
5212 if test "$bigendian" = "yes" ; then
5213   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
5214 fi
5215 if test "$mingw32" = "yes" ; then
5216   echo "CONFIG_WIN32=y" >> $config_host_mak
5217   rc_version=$(cat $source_path/VERSION)
5218   version_major=${rc_version%%.*}
5219   rc_version=${rc_version#*.}
5220   version_minor=${rc_version%%.*}
5221   rc_version=${rc_version#*.}
5222   version_subminor=${rc_version%%.*}
5223   version_micro=0
5224   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5225   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5226   if test "$guest_agent_with_vss" = "yes" ; then
5227     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
5228     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
5229     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
5230   fi
5231   if test "$guest_agent_ntddscsi" = "yes" ; then
5232     echo "CONFIG_QGA_NTDDDISK=y" >> $config_host_mak
5233   fi
5234   if test "$guest_agent_msi" = "yes"; then
5235     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
5236     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
5237     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
5238     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
5239     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
5240     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
5241     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
5242   fi
5243 else
5244   echo "CONFIG_POSIX=y" >> $config_host_mak
5245 fi
5246
5247 if test "$linux" = "yes" ; then
5248   echo "CONFIG_LINUX=y" >> $config_host_mak
5249 fi
5250
5251 if test "$darwin" = "yes" ; then
5252   echo "CONFIG_DARWIN=y" >> $config_host_mak
5253 fi
5254
5255 if test "$aix" = "yes" ; then
5256   echo "CONFIG_AIX=y" >> $config_host_mak
5257 fi
5258
5259 if test "$solaris" = "yes" ; then
5260   echo "CONFIG_SOLARIS=y" >> $config_host_mak
5261   echo "CONFIG_SOLARIS_VERSION=$solarisrev" >> $config_host_mak
5262   if test "$needs_libsunmath" = "yes" ; then
5263     echo "CONFIG_NEEDS_LIBSUNMATH=y" >> $config_host_mak
5264   fi
5265 fi
5266 if test "$haiku" = "yes" ; then
5267   echo "CONFIG_HAIKU=y" >> $config_host_mak
5268 fi
5269 if test "$static" = "yes" ; then
5270   echo "CONFIG_STATIC=y" >> $config_host_mak
5271 fi
5272 if test "$profiler" = "yes" ; then
5273   echo "CONFIG_PROFILER=y" >> $config_host_mak
5274 fi
5275 if test "$slirp" = "yes" ; then
5276   echo "CONFIG_SLIRP=y" >> $config_host_mak
5277   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
5278 fi
5279 if test "$vde" = "yes" ; then
5280   echo "CONFIG_VDE=y" >> $config_host_mak
5281 fi
5282 if test "$netmap" = "yes" ; then
5283   echo "CONFIG_NETMAP=y" >> $config_host_mak
5284 fi
5285 if test "$l2tpv3" = "yes" ; then
5286   echo "CONFIG_L2TPV3=y" >> $config_host_mak
5287 fi
5288 if test "$cap_ng" = "yes" ; then
5289   echo "CONFIG_LIBCAP=y" >> $config_host_mak
5290 fi
5291 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
5292 for drv in $audio_drv_list; do
5293     def=CONFIG_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
5294     echo "$def=y" >> $config_host_mak
5295 done
5296 if test "$audio_pt_int" = "yes" ; then
5297   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
5298 fi
5299 if test "$audio_win_int" = "yes" ; then
5300   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
5301 fi
5302 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
5303 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
5304 if test "$vnc" = "yes" ; then
5305   echo "CONFIG_VNC=y" >> $config_host_mak
5306 fi
5307 if test "$vnc_sasl" = "yes" ; then
5308   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
5309 fi
5310 if test "$vnc_jpeg" = "yes" ; then
5311   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
5312 fi
5313 if test "$vnc_png" = "yes" ; then
5314   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
5315 fi
5316 if test "$fnmatch" = "yes" ; then
5317   echo "CONFIG_FNMATCH=y" >> $config_host_mak
5318 fi
5319 if test "$xfs" = "yes" ; then
5320   echo "CONFIG_XFS=y" >> $config_host_mak
5321 fi
5322 qemu_version=$(head $source_path/VERSION)
5323 echo "VERSION=$qemu_version" >>$config_host_mak
5324 echo "PKGVERSION=$pkgversion" >>$config_host_mak
5325 echo "SRC_PATH=$source_path" >> $config_host_mak
5326 echo "TARGET_DIRS=$target_list" >> $config_host_mak
5327 if [ "$docs" = "yes" ] ; then
5328   echo "BUILD_DOCS=yes" >> $config_host_mak
5329 fi
5330 if test "$modules" = "yes"; then
5331   # $shacmd can generate a hash started with digit, which the compiler doesn't
5332   # like as an symbol. So prefix it with an underscore
5333   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
5334   echo "CONFIG_MODULES=y" >> $config_host_mak
5335 fi
5336 if test "$sdl" = "yes" ; then
5337   echo "CONFIG_SDL=y" >> $config_host_mak
5338   echo "CONFIG_SDLABI=$sdlabi" >> $config_host_mak
5339   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
5340 fi
5341 if test "$cocoa" = "yes" ; then
5342   echo "CONFIG_COCOA=y" >> $config_host_mak
5343 fi
5344 if test "$curses" = "yes" ; then
5345   echo "CONFIG_CURSES=y" >> $config_host_mak
5346 fi
5347 if test "$utimens" = "yes" ; then
5348   echo "CONFIG_UTIMENSAT=y" >> $config_host_mak
5349 fi
5350 if test "$pipe2" = "yes" ; then
5351   echo "CONFIG_PIPE2=y" >> $config_host_mak
5352 fi
5353 if test "$accept4" = "yes" ; then
5354   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
5355 fi
5356 if test "$splice" = "yes" ; then
5357   echo "CONFIG_SPLICE=y" >> $config_host_mak
5358 fi
5359 if test "$eventfd" = "yes" ; then
5360   echo "CONFIG_EVENTFD=y" >> $config_host_mak
5361 fi
5362 if test "$memfd" = "yes" ; then
5363   echo "CONFIG_MEMFD=y" >> $config_host_mak
5364 fi
5365 if test "$fallocate" = "yes" ; then
5366   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
5367 fi
5368 if test "$fallocate_punch_hole" = "yes" ; then
5369   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
5370 fi
5371 if test "$fallocate_zero_range" = "yes" ; then
5372   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
5373 fi
5374 if test "$posix_fallocate" = "yes" ; then
5375   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
5376 fi
5377 if test "$sync_file_range" = "yes" ; then
5378   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
5379 fi
5380 if test "$fiemap" = "yes" ; then
5381   echo "CONFIG_FIEMAP=y" >> $config_host_mak
5382 fi
5383 if test "$dup3" = "yes" ; then
5384   echo "CONFIG_DUP3=y" >> $config_host_mak
5385 fi
5386 if test "$ppoll" = "yes" ; then
5387   echo "CONFIG_PPOLL=y" >> $config_host_mak
5388 fi
5389 if test "$prctl_pr_set_timerslack" = "yes" ; then
5390   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
5391 fi
5392 if test "$epoll" = "yes" ; then
5393   echo "CONFIG_EPOLL=y" >> $config_host_mak
5394 fi
5395 if test "$epoll_create1" = "yes" ; then
5396   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
5397 fi
5398 if test "$sendfile" = "yes" ; then
5399   echo "CONFIG_SENDFILE=y" >> $config_host_mak
5400 fi
5401 if test "$timerfd" = "yes" ; then
5402   echo "CONFIG_TIMERFD=y" >> $config_host_mak
5403 fi
5404 if test "$setns" = "yes" ; then
5405   echo "CONFIG_SETNS=y" >> $config_host_mak
5406 fi
5407 if test "$clock_adjtime" = "yes" ; then
5408   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
5409 fi
5410 if test "$syncfs" = "yes" ; then
5411   echo "CONFIG_SYNCFS=y" >> $config_host_mak
5412 fi
5413 if test "$inotify" = "yes" ; then
5414   echo "CONFIG_INOTIFY=y" >> $config_host_mak
5415 fi
5416 if test "$inotify1" = "yes" ; then
5417   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
5418 fi
5419 if test "$byteswap_h" = "yes" ; then
5420   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
5421 fi
5422 if test "$bswap_h" = "yes" ; then
5423   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
5424 fi
5425 if test "$curl" = "yes" ; then
5426   echo "CONFIG_CURL=m" >> $config_host_mak
5427   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
5428   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
5429 fi
5430 if test "$brlapi" = "yes" ; then
5431   echo "CONFIG_BRLAPI=y" >> $config_host_mak
5432 fi
5433 if test "$bluez" = "yes" ; then
5434   echo "CONFIG_BLUEZ=y" >> $config_host_mak
5435   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
5436 fi
5437 if test "$glib_subprocess" = "yes" ; then
5438   echo "CONFIG_HAS_GLIB_SUBPROCESS_TESTS=y" >> $config_host_mak
5439 fi
5440 if test "$gtk" = "yes" ; then
5441   echo "CONFIG_GTK=y" >> $config_host_mak
5442   echo "CONFIG_GTKABI=$gtkabi" >> $config_host_mak
5443   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
5444   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
5445   if test "$gtk_gl" = "yes" ; then
5446     echo "CONFIG_GTK_GL=y" >> $config_host_mak
5447   fi
5448 fi
5449 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
5450 if test "$gnutls" = "yes" ; then
5451   echo "CONFIG_GNUTLS=y" >> $config_host_mak
5452 fi
5453 if test "$gnutls_rnd" = "yes" ; then
5454   echo "CONFIG_GNUTLS_RND=y" >> $config_host_mak
5455 fi
5456 if test "$gcrypt" = "yes" ; then
5457   echo "CONFIG_GCRYPT=y" >> $config_host_mak
5458   if test "$gcrypt_hmac" = "yes" ; then
5459     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
5460   fi
5461   if test "$gcrypt_kdf" = "yes" ; then
5462     echo "CONFIG_GCRYPT_KDF=y" >> $config_host_mak
5463   fi
5464 fi
5465 if test "$nettle" = "yes" ; then
5466   echo "CONFIG_NETTLE=y" >> $config_host_mak
5467   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
5468   if test "$nettle_kdf" = "yes" ; then
5469     echo "CONFIG_NETTLE_KDF=y" >> $config_host_mak
5470   fi
5471 fi
5472 if test "$tasn1" = "yes" ; then
5473   echo "CONFIG_TASN1=y" >> $config_host_mak
5474 fi
5475 if test "$have_ifaddrs_h" = "yes" ; then
5476     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
5477 fi
5478 if test "$have_broken_size_max" = "yes" ; then
5479     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
5480 fi
5481
5482 # Work around a system header bug with some kernel/XFS header
5483 # versions where they both try to define 'struct fsxattr':
5484 # xfs headers will not try to redefine structs from linux headers
5485 # if this macro is set.
5486 if test "$have_fsxattr" = "yes" ; then
5487     echo "HAVE_FSXATTR=y" >> $config_host_mak
5488 fi
5489 if test "$vte" = "yes" ; then
5490   echo "CONFIG_VTE=y" >> $config_host_mak
5491   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
5492 fi
5493 if test "$virglrenderer" = "yes" ; then
5494   echo "CONFIG_VIRGL=y" >> $config_host_mak
5495   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
5496   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
5497 fi
5498 if test "$xen" = "yes" ; then
5499   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
5500   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
5501   if test "$xen_pv_domain_build" = "yes" ; then
5502     echo "CONFIG_XEN_PV_DOMAIN_BUILD=y" >> $config_host_mak
5503   fi
5504 fi
5505 if test "$linux_aio" = "yes" ; then
5506   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
5507 fi
5508 if test "$attr" = "yes" ; then
5509   echo "CONFIG_ATTR=y" >> $config_host_mak
5510 fi
5511 if test "$libattr" = "yes" ; then
5512   echo "CONFIG_LIBATTR=y" >> $config_host_mak
5513 fi
5514 if test "$virtfs" = "yes" ; then
5515   echo "CONFIG_VIRTFS=y" >> $config_host_mak
5516 fi
5517 if test "$vhost_scsi" = "yes" ; then
5518   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
5519 fi
5520 if test "$vhost_net" = "yes" ; then
5521   echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
5522 fi
5523 if test "$vhost_vsock" = "yes" ; then
5524   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
5525 fi
5526 if test "$blobs" = "yes" ; then
5527   echo "INSTALL_BLOBS=yes" >> $config_host_mak
5528 fi
5529 if test "$iovec" = "yes" ; then
5530   echo "CONFIG_IOVEC=y" >> $config_host_mak
5531 fi
5532 if test "$preadv" = "yes" ; then
5533   echo "CONFIG_PREADV=y" >> $config_host_mak
5534 fi
5535 if test "$fdt" = "yes" ; then
5536   echo "CONFIG_FDT=y" >> $config_host_mak
5537 fi
5538 if test "$signalfd" = "yes" ; then
5539   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
5540 fi
5541 if test "$tcg_interpreter" = "yes" ; then
5542   echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
5543 fi
5544 if test "$fdatasync" = "yes" ; then
5545   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
5546 fi
5547 if test "$madvise" = "yes" ; then
5548   echo "CONFIG_MADVISE=y" >> $config_host_mak
5549 fi
5550 if test "$posix_madvise" = "yes" ; then
5551   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
5552 fi
5553
5554 if test "$spice" = "yes" ; then
5555   echo "CONFIG_SPICE=y" >> $config_host_mak
5556 fi
5557
5558 if test "$smartcard" = "yes" ; then
5559   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
5560 fi
5561
5562 if test "$libusb" = "yes" ; then
5563   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
5564 fi
5565
5566 if test "$usb_redir" = "yes" ; then
5567   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
5568 fi
5569
5570 if test "$opengl" = "yes" ; then
5571   echo "CONFIG_OPENGL=y" >> $config_host_mak
5572   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
5573   if test "$opengl_dmabuf" = "yes" ; then
5574     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
5575   fi
5576 fi
5577
5578 if test "$avx2_opt" = "yes" ; then
5579   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
5580 fi
5581
5582 if test "$lzo" = "yes" ; then
5583   echo "CONFIG_LZO=y" >> $config_host_mak
5584 fi
5585
5586 if test "$snappy" = "yes" ; then
5587   echo "CONFIG_SNAPPY=y" >> $config_host_mak
5588 fi
5589
5590 if test "$bzip2" = "yes" ; then
5591   echo "CONFIG_BZIP2=y" >> $config_host_mak
5592   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
5593 fi
5594
5595 if test "$libiscsi" = "yes" ; then
5596   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
5597   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
5598   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
5599 fi
5600
5601 if test "$libnfs" = "yes" ; then
5602   echo "CONFIG_LIBNFS=m" >> $config_host_mak
5603   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
5604 fi
5605
5606 if test "$seccomp" = "yes"; then
5607   echo "CONFIG_SECCOMP=y" >> $config_host_mak
5608 fi
5609
5610 # XXX: suppress that
5611 if [ "$bsd" = "yes" ] ; then
5612   echo "CONFIG_BSD=y" >> $config_host_mak
5613 fi
5614
5615 if test "$localtime_r" = "yes" ; then
5616   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
5617 fi
5618 if test "$qom_cast_debug" = "yes" ; then
5619   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
5620 fi
5621 if test "$rbd" = "yes" ; then
5622   echo "CONFIG_RBD=m" >> $config_host_mak
5623   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
5624   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
5625 fi
5626
5627 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
5628 if test "$coroutine_pool" = "yes" ; then
5629   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
5630 else
5631   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
5632 fi
5633
5634 if test "$debug_stack_usage" = "yes" ; then
5635   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
5636 fi
5637
5638 if test "$open_by_handle_at" = "yes" ; then
5639   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
5640 fi
5641
5642 if test "$linux_magic_h" = "yes" ; then
5643   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
5644 fi
5645
5646 if test "$pragma_diagnostic_available" = "yes" ; then
5647   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
5648 fi
5649
5650 if test "$valgrind_h" = "yes" ; then
5651   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
5652 fi
5653
5654 if test "$has_environ" = "yes" ; then
5655   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
5656 fi
5657
5658 if test "$cpuid_h" = "yes" ; then
5659   echo "CONFIG_CPUID_H=y" >> $config_host_mak
5660 fi
5661
5662 if test "$int128" = "yes" ; then
5663   echo "CONFIG_INT128=y" >> $config_host_mak
5664 fi
5665
5666 if test "$atomic128" = "yes" ; then
5667   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
5668 fi
5669
5670 if test "$atomic64" = "yes" ; then
5671   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
5672 fi
5673
5674 if test "$getauxval" = "yes" ; then
5675   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
5676 fi
5677
5678 if test "$glusterfs" = "yes" ; then
5679   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
5680   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
5681   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
5682 fi
5683
5684 if test "$glusterfs_xlator_opt" = "yes" ; then
5685   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
5686 fi
5687
5688 if test "$glusterfs_discard" = "yes" ; then
5689   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
5690 fi
5691
5692 if test "$glusterfs_zerofill" = "yes" ; then
5693   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
5694 fi
5695
5696 if test "$libssh2" = "yes" ; then
5697   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
5698   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
5699   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
5700 fi
5701
5702 # USB host support
5703 if test "$libusb" = "yes"; then
5704   echo "HOST_USB=libusb legacy" >> $config_host_mak
5705 else
5706   echo "HOST_USB=stub" >> $config_host_mak
5707 fi
5708
5709 # TPM passthrough support?
5710 if test "$tpm" = "yes"; then
5711   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
5712   if test "$tpm_passthrough" = "yes"; then
5713     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
5714   fi
5715 fi
5716
5717 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
5718 if have_backend "nop"; then
5719   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
5720 fi
5721 if have_backend "simple"; then
5722   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
5723   # Set the appropriate trace file.
5724   trace_file="\"$trace_file-\" FMT_pid"
5725 fi
5726 if have_backend "log"; then
5727   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
5728 fi
5729 if have_backend "ust"; then
5730   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
5731 fi
5732 if have_backend "dtrace"; then
5733   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
5734   if test "$trace_backend_stap" = "yes" ; then
5735     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
5736   fi
5737 fi
5738 if have_backend "ftrace"; then
5739   if test "$linux" = "yes" ; then
5740     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
5741   else
5742     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
5743   fi
5744 fi
5745 if have_backend "syslog"; then
5746   if test "$posix_syslog" = "yes" ; then
5747     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
5748   else
5749     feature_not_found "syslog(trace backend)" "syslog not available"
5750   fi
5751 fi
5752 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
5753
5754 if test "$rdma" = "yes" ; then
5755   echo "CONFIG_RDMA=y" >> $config_host_mak
5756 fi
5757
5758 if test "$have_rtnetlink" = "yes" ; then
5759   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
5760 fi
5761
5762 if test "$replication" = "yes" ; then
5763   echo "CONFIG_REPLICATION=y" >> $config_host_mak
5764 fi
5765
5766 if test "$have_af_vsock" = "yes" ; then
5767   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
5768 fi
5769
5770 if test "$have_sysmacros" = "yes" ; then
5771   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
5772 fi
5773
5774 # Hold two types of flag:
5775 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
5776 #                                     a thread we have a handle to
5777 #   CONFIG_PTHREAD_SETNAME_NP       - A way of doing it on a particular
5778 #                                     platform
5779 if test "$pthread_setname_np" = "yes" ; then
5780   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
5781   echo "CONFIG_PTHREAD_SETNAME_NP=y" >> $config_host_mak
5782 fi
5783
5784 if test "$tcg_interpreter" = "yes"; then
5785   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
5786 elif test "$ARCH" = "sparc64" ; then
5787   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
5788 elif test "$ARCH" = "s390x" ; then
5789   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
5790 elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
5791   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
5792 elif test "$ARCH" = "ppc64" ; then
5793   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
5794 else
5795   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
5796 fi
5797 QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
5798
5799 echo "TOOLS=$tools" >> $config_host_mak
5800 echo "ROMS=$roms" >> $config_host_mak
5801 echo "MAKE=$make" >> $config_host_mak
5802 echo "INSTALL=$install" >> $config_host_mak
5803 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
5804 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
5805 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
5806 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
5807 echo "PYTHON=$python" >> $config_host_mak
5808 echo "CC=$cc" >> $config_host_mak
5809 if $iasl -h > /dev/null 2>&1; then
5810   echo "IASL=$iasl" >> $config_host_mak
5811 fi
5812 echo "CC_I386=$cc_i386" >> $config_host_mak
5813 echo "HOST_CC=$host_cc" >> $config_host_mak
5814 echo "CXX=$cxx" >> $config_host_mak
5815 echo "OBJCC=$objcc" >> $config_host_mak
5816 echo "AR=$ar" >> $config_host_mak
5817 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
5818 echo "AS=$as" >> $config_host_mak
5819 echo "CCAS=$ccas" >> $config_host_mak
5820 echo "CPP=$cpp" >> $config_host_mak
5821 echo "OBJCOPY=$objcopy" >> $config_host_mak
5822 echo "LD=$ld" >> $config_host_mak
5823 echo "NM=$nm" >> $config_host_mak
5824 echo "WINDRES=$windres" >> $config_host_mak
5825 echo "CFLAGS=$CFLAGS" >> $config_host_mak
5826 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
5827 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
5828 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
5829 if test "$sparse" = "yes" ; then
5830   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
5831   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
5832   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
5833   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
5834   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
5835 fi
5836 if test "$cross_prefix" != ""; then
5837   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
5838 else
5839   echo "AUTOCONF_HOST := "                             >> $config_host_mak
5840 fi
5841 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
5842 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
5843 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
5844 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
5845 echo "LIBS+=$LIBS" >> $config_host_mak
5846 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
5847 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
5848 echo "EXESUF=$EXESUF" >> $config_host_mak
5849 echo "DSOSUF=$DSOSUF" >> $config_host_mak
5850 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
5851 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
5852 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
5853 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
5854 echo "POD2MAN=$POD2MAN" >> $config_host_mak
5855 echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
5856 if test "$gcov" = "yes" ; then
5857   echo "CONFIG_GCOV=y" >> $config_host_mak
5858   echo "GCOV=$gcov_tool" >> $config_host_mak
5859 fi
5860
5861 # use included Linux headers
5862 if test "$linux" = "yes" ; then
5863   mkdir -p linux-headers
5864   case "$cpu" in
5865   i386|x86_64|x32)
5866     linux_arch=x86
5867     ;;
5868   ppcemb|ppc|ppc64)
5869     linux_arch=powerpc
5870     ;;
5871   s390x)
5872     linux_arch=s390
5873     ;;
5874   aarch64)
5875     linux_arch=arm64
5876     ;;
5877   mips64)
5878     linux_arch=mips
5879     ;;
5880   *)
5881     # For most CPUs the kernel architecture name and QEMU CPU name match.
5882     linux_arch="$cpu"
5883     ;;
5884   esac
5885     # For non-KVM architectures we will not have asm headers
5886     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
5887       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
5888     fi
5889 fi
5890
5891 for target in $target_list; do
5892 target_dir="$target"
5893 config_target_mak=$target_dir/config-target.mak
5894 target_name=$(echo $target | cut -d '-' -f 1)
5895 target_bigendian="no"
5896
5897 case "$target_name" in
5898   armeb|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
5899   target_bigendian=yes
5900   ;;
5901 esac
5902 target_softmmu="no"
5903 target_user_only="no"
5904 target_linux_user="no"
5905 target_bsd_user="no"
5906 case "$target" in
5907   ${target_name}-softmmu)
5908     target_softmmu="yes"
5909     ;;
5910   ${target_name}-linux-user)
5911     if test "$linux" != "yes" ; then
5912       error_exit "Target '$target' is only available on a Linux host"
5913     fi
5914     target_user_only="yes"
5915     target_linux_user="yes"
5916     ;;
5917   ${target_name}-bsd-user)
5918     if test "$bsd" != "yes" ; then
5919       error_exit "Target '$target' is only available on a BSD host"
5920     fi
5921     target_user_only="yes"
5922     target_bsd_user="yes"
5923     ;;
5924   *)
5925     error_exit "Target '$target' not recognised"
5926     exit 1
5927     ;;
5928 esac
5929
5930 mkdir -p $target_dir
5931 echo "# Automatically generated by configure - do not modify" > $config_target_mak
5932
5933 bflt="no"
5934 mttcg="no"
5935 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
5936 gdb_xml_files=""
5937
5938 TARGET_ARCH="$target_name"
5939 TARGET_BASE_ARCH=""
5940 TARGET_ABI_DIR=""
5941
5942 case "$target_name" in
5943   i386)
5944   ;;
5945   x86_64)
5946     TARGET_BASE_ARCH=i386
5947   ;;
5948   alpha)
5949     mttcg="yes"
5950   ;;
5951   arm|armeb)
5952     TARGET_ARCH=arm
5953     bflt="yes"
5954     mttcg="yes"
5955     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
5956   ;;
5957   aarch64)
5958     TARGET_BASE_ARCH=arm
5959     bflt="yes"
5960     mttcg="yes"
5961     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
5962   ;;
5963   cris)
5964   ;;
5965   hppa)
5966   ;;
5967   lm32)
5968   ;;
5969   m68k)
5970     bflt="yes"
5971     gdb_xml_files="cf-core.xml cf-fp.xml"
5972   ;;
5973   microblaze|microblazeel)
5974     TARGET_ARCH=microblaze
5975     bflt="yes"
5976   ;;
5977   mips|mipsel)
5978     TARGET_ARCH=mips
5979     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
5980   ;;
5981   mipsn32|mipsn32el)
5982     TARGET_ARCH=mips64
5983     TARGET_BASE_ARCH=mips
5984     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
5985     echo "TARGET_ABI32=y" >> $config_target_mak
5986   ;;
5987   mips64|mips64el)
5988     TARGET_ARCH=mips64
5989     TARGET_BASE_ARCH=mips
5990     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
5991   ;;
5992   moxie)
5993   ;;
5994   nios2)
5995   ;;
5996   or1k)
5997     TARGET_ARCH=openrisc
5998     TARGET_BASE_ARCH=openrisc
5999   ;;
6000   ppc)
6001     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6002   ;;
6003   ppcemb)
6004     TARGET_BASE_ARCH=ppc
6005     TARGET_ABI_DIR=ppc
6006     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6007   ;;
6008   ppc64)
6009     TARGET_BASE_ARCH=ppc
6010     TARGET_ABI_DIR=ppc
6011     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6012   ;;
6013   ppc64le)
6014     TARGET_ARCH=ppc64
6015     TARGET_BASE_ARCH=ppc
6016     TARGET_ABI_DIR=ppc
6017     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6018   ;;
6019   ppc64abi32)
6020     TARGET_ARCH=ppc64
6021     TARGET_BASE_ARCH=ppc
6022     TARGET_ABI_DIR=ppc
6023     echo "TARGET_ABI32=y" >> $config_target_mak
6024     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6025   ;;
6026   sh4|sh4eb)
6027     TARGET_ARCH=sh4
6028     bflt="yes"
6029   ;;
6030   sparc)
6031   ;;
6032   sparc64)
6033     TARGET_BASE_ARCH=sparc
6034   ;;
6035   sparc32plus)
6036     TARGET_ARCH=sparc64
6037     TARGET_BASE_ARCH=sparc
6038     TARGET_ABI_DIR=sparc
6039     echo "TARGET_ABI32=y" >> $config_target_mak
6040   ;;
6041   s390x)
6042     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml"
6043   ;;
6044   tilegx)
6045   ;;
6046   tricore)
6047   ;;
6048   unicore32)
6049   ;;
6050   xtensa|xtensaeb)
6051     TARGET_ARCH=xtensa
6052   ;;
6053   *)
6054     error_exit "Unsupported target CPU"
6055   ;;
6056 esac
6057 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
6058 if [ "$TARGET_BASE_ARCH" = "" ]; then
6059   TARGET_BASE_ARCH=$TARGET_ARCH
6060 fi
6061
6062 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
6063
6064 upper() {
6065     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
6066 }
6067
6068 target_arch_name="$(upper $TARGET_ARCH)"
6069 echo "TARGET_$target_arch_name=y" >> $config_target_mak
6070 echo "TARGET_NAME=$target_name" >> $config_target_mak
6071 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
6072 if [ "$TARGET_ABI_DIR" = "" ]; then
6073   TARGET_ABI_DIR=$TARGET_ARCH
6074 fi
6075 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
6076 if [ "$HOST_VARIANT_DIR" != "" ]; then
6077     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
6078 fi
6079 case "$target_name" in
6080   i386|x86_64)
6081     if test "$xen" = "yes" -a "$target_softmmu" = "yes" ; then
6082       echo "CONFIG_XEN=y" >> $config_target_mak
6083       if test "$xen_pci_passthrough" = yes; then
6084         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
6085       fi
6086     fi
6087     ;;
6088   *)
6089 esac
6090 case "$target_name" in
6091   aarch64|arm|i386|x86_64|ppcemb|ppc|ppc64|s390x|mipsel|mips)
6092     # Make sure the target and host cpus are compatible
6093     if test "$kvm" = "yes" -a "$target_softmmu" = "yes" -a \
6094       \( "$target_name" = "$cpu" -o \
6095       \( "$target_name" = "ppcemb" -a "$cpu" = "ppc" \) -o \
6096       \( "$target_name" = "ppc64"  -a "$cpu" = "ppc" \) -o \
6097       \( "$target_name" = "ppc"    -a "$cpu" = "ppc64" \) -o \
6098       \( "$target_name" = "ppcemb" -a "$cpu" = "ppc64" \) -o \
6099       \( "$target_name" = "mipsel" -a "$cpu" = "mips" \) -o \
6100       \( "$target_name" = "x86_64" -a "$cpu" = "i386"   \) -o \
6101       \( "$target_name" = "i386"   -a "$cpu" = "x86_64" \) -o \
6102       \( "$target_name" = "x86_64" -a "$cpu" = "x32"   \) -o \
6103       \( "$target_name" = "i386"   -a "$cpu" = "x32" \) \) ; then
6104       echo "CONFIG_KVM=y" >> $config_target_mak
6105       if test "$vhost_net" = "yes" ; then
6106         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
6107         echo "CONFIG_VHOST_NET_TEST_$target_name=y" >> $config_host_mak
6108       fi
6109     fi
6110 esac
6111 if test "$hax" = "yes" ; then
6112   if test "$target_softmmu" = "yes" ; then
6113     case "$target_name" in
6114     i386|x86_64)
6115       echo "CONFIG_HAX=y" >> $config_target_mak
6116     ;;
6117     esac
6118   fi
6119 fi
6120 if test "$target_bigendian" = "yes" ; then
6121   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
6122 fi
6123 if test "$target_softmmu" = "yes" ; then
6124   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
6125   if test "$mttcg" = "yes" ; then
6126     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
6127   fi
6128 fi
6129 if test "$target_user_only" = "yes" ; then
6130   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
6131   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
6132 fi
6133 if test "$target_linux_user" = "yes" ; then
6134   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
6135 fi
6136 list=""
6137 if test ! -z "$gdb_xml_files" ; then
6138   for x in $gdb_xml_files; do
6139     list="$list $source_path/gdb-xml/$x"
6140   done
6141   echo "TARGET_XML_FILES=$list" >> $config_target_mak
6142 fi
6143
6144 if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
6145   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
6146 fi
6147 if test "$target_bsd_user" = "yes" ; then
6148   echo "CONFIG_BSD_USER=y" >> $config_target_mak
6149 fi
6150
6151 # generate QEMU_CFLAGS/LDFLAGS for targets
6152
6153 cflags=""
6154 ldflags=""
6155
6156 disas_config() {
6157   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
6158   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
6159 }
6160
6161 for i in $ARCH $TARGET_BASE_ARCH ; do
6162   case "$i" in
6163   alpha)
6164     disas_config "ALPHA"
6165   ;;
6166   aarch64)
6167     if test -n "${cxx}"; then
6168       disas_config "ARM_A64"
6169     fi
6170   ;;
6171   arm)
6172     disas_config "ARM"
6173     if test -n "${cxx}"; then
6174       disas_config "ARM_A64"
6175     fi
6176   ;;
6177   cris)
6178     disas_config "CRIS"
6179   ;;
6180   hppa)
6181     disas_config "HPPA"
6182   ;;
6183   i386|x86_64|x32)
6184     disas_config "I386"
6185   ;;
6186   ia64*)
6187     disas_config "IA64"
6188   ;;
6189   lm32)
6190     disas_config "LM32"
6191   ;;
6192   m68k)
6193     disas_config "M68K"
6194   ;;
6195   microblaze*)
6196     disas_config "MICROBLAZE"
6197   ;;
6198   mips*)
6199     disas_config "MIPS"
6200   ;;
6201   moxie*)
6202     disas_config "MOXIE"
6203   ;;
6204   nios2)
6205     disas_config "NIOS2"
6206   ;;
6207   or1k)
6208     disas_config "OPENRISC"
6209   ;;
6210   ppc*)
6211     disas_config "PPC"
6212   ;;
6213   s390*)
6214     disas_config "S390"
6215   ;;
6216   sh4)
6217     disas_config "SH4"
6218   ;;
6219   sparc*)
6220     disas_config "SPARC"
6221   ;;
6222   xtensa*)
6223     disas_config "XTENSA"
6224   ;;
6225   esac
6226 done
6227 if test "$tcg_interpreter" = "yes" ; then
6228   disas_config "TCI"
6229 fi
6230
6231 case "$ARCH" in
6232 alpha)
6233   # Ensure there's only a single GP
6234   cflags="-msmall-data $cflags"
6235 ;;
6236 esac
6237
6238 if test "$gprof" = "yes" ; then
6239   echo "TARGET_GPROF=yes" >> $config_target_mak
6240   if test "$target_linux_user" = "yes" ; then
6241     cflags="-p $cflags"
6242     ldflags="-p $ldflags"
6243   fi
6244   if test "$target_softmmu" = "yes" ; then
6245     ldflags="-p $ldflags"
6246     echo "GPROF_CFLAGS=-p" >> $config_target_mak
6247   fi
6248 fi
6249
6250 if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
6251   ldflags="$ldflags $textseg_ldflags"
6252 fi
6253
6254 echo "LDFLAGS+=$ldflags" >> $config_target_mak
6255 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
6256
6257 done # for target in $targets
6258
6259 if [ "$pixman" = "internal" ]; then
6260   echo "config-host.h: subdir-pixman" >> $config_host_mak
6261 fi
6262
6263 if [ "$dtc_internal" = "yes" ]; then
6264   echo "config-host.h: subdir-dtc" >> $config_host_mak
6265 fi
6266
6267 if test "$numa" = "yes"; then
6268   echo "CONFIG_NUMA=y" >> $config_host_mak
6269 fi
6270
6271 if test "$ccache_cpp2" = "yes"; then
6272   echo "export CCACHE_CPP2=y" >> $config_host_mak
6273 fi
6274
6275 # build tree in object directory in case the source is not in the current directory
6276 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests"
6277 DIRS="$DIRS docs fsdev"
6278 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
6279 DIRS="$DIRS roms/seabios roms/vgabios"
6280 DIRS="$DIRS qapi-generated"
6281 FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
6282 FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
6283 FILES="$FILES tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
6284 FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
6285 FILES="$FILES pc-bios/spapr-rtas/Makefile"
6286 FILES="$FILES pc-bios/s390-ccw/Makefile"
6287 FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
6288 FILES="$FILES pc-bios/qemu-icon.bmp"
6289 for bios_file in \
6290     $source_path/pc-bios/*.bin \
6291     $source_path/pc-bios/*.lid \
6292     $source_path/pc-bios/*.aml \
6293     $source_path/pc-bios/*.rom \
6294     $source_path/pc-bios/*.dtb \
6295     $source_path/pc-bios/*.img \
6296     $source_path/pc-bios/openbios-* \
6297     $source_path/pc-bios/u-boot.* \
6298     $source_path/pc-bios/palcode-*
6299 do
6300     FILES="$FILES pc-bios/$(basename $bios_file)"
6301 done
6302 for test_file in $(find $source_path/tests/acpi-test-data -type f)
6303 do
6304     FILES="$FILES tests/acpi-test-data$(echo $test_file | sed -e 's/.*acpi-test-data//')"
6305 done
6306 mkdir -p $DIRS
6307 for f in $FILES ; do
6308     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
6309         symlink "$source_path/$f" "$f"
6310     fi
6311 done
6312
6313 # temporary config to build submodules
6314 for rom in seabios vgabios ; do
6315     config_mak=roms/$rom/config.mak
6316     echo "# Automatically generated by configure - do not modify" > $config_mak
6317     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
6318     echo "AS=$as" >> $config_mak
6319     echo "CCAS=$ccas" >> $config_mak
6320     echo "CC=$cc" >> $config_mak
6321     echo "BCC=bcc" >> $config_mak
6322     echo "CPP=$cpp" >> $config_mak
6323     echo "OBJCOPY=objcopy" >> $config_mak
6324     echo "IASL=$iasl" >> $config_mak
6325     echo "LD=$ld" >> $config_mak
6326 done
6327
6328 # set up tests data directory
6329 if [ ! -e tests/data ]; then
6330     symlink "$source_path/tests/data" tests/data
6331 fi
6332
6333 # set up qemu-iotests in this build directory
6334 iotests_common_env="tests/qemu-iotests/common.env"
6335 iotests_check="tests/qemu-iotests/check"
6336
6337 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
6338 echo >> "$iotests_common_env"
6339 echo "export PYTHON='$python'" >> "$iotests_common_env"
6340
6341 if [ ! -e "$iotests_check" ]; then
6342     symlink "$source_path/$iotests_check" "$iotests_check"
6343 fi
6344
6345 # Save the configure command line for later reuse.
6346 cat <<EOD >config.status
6347 #!/bin/sh
6348 # Generated by configure.
6349 # Run this file to recreate the current configuration.
6350 # Compiler output produced by configure, useful for debugging
6351 # configure, is in config.log if it exists.
6352 EOD
6353 printf "exec" >>config.status
6354 printf " '%s'" "$0" "$@" >>config.status
6355 echo ' "$@"' >>config.status
6356 chmod +x config.status
6357
6358 rm -r "$TMPDIR1"