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 # Temporary directory used for files created while
  12 # configure runs. Since it is in the build directory
  13 # we can safely blow away any previous version of it
  14 # (and we need not jump through hoops to try to delete
  15 # it when configure exits.)
  16 TMPDIR1="config-temp"
  17 rm -rf "${TMPDIR1}"
  18 mkdir -p "${TMPDIR1}"
  19 if [ $? -ne 0 ]; then
  20     echo "ERROR: failed to create temporary directory"
  21     exit 1
  22 fi
  23
  24 TMPB="qemu-conf"
  25 TMPC="${TMPDIR1}/${TMPB}.c"
  26 TMPO="${TMPDIR1}/${TMPB}.o"
  27 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  28 TMPL="${TMPDIR1}/${TMPB}.lo"
  29 TMPA="${TMPDIR1}/lib${TMPB}.la"
  30 TMPE="${TMPDIR1}/${TMPB}.exe"
  31
  32 rm -f config.log
  33
  34 # Print a helpful header at the top of config.log
  35 echo "# QEMU configure log $(date)" >> config.log
  36 printf "# Configured with:" >> config.log
  37 printf " '%s'" "$0" "$@" >> config.log
  38 echo >> config.log
  39 echo "#" >> config.log
  40
  41 error_exit() {
  42     echo
  43     echo "ERROR: $1"
  44     while test -n "$2"; do
  45         echo "       $2"
  46         shift
  47     done
  48     echo
  49     exit 1
  50 }
  51
  52 do_compiler() {
  53     # Run the compiler, capturing its output to the log. First argument
  54     # is compiler binary to execute.
  55     local compiler="$1"
  56     shift
  57     echo $compiler "$@" >> config.log
  58     $compiler "$@" >> config.log 2>&1 || return $?
  59     # Test passed. If this is an --enable-werror build, rerun
  60     # the test with -Werror and bail out if it fails. This
  61     # makes warning-generating-errors in configure test code
  62     # obvious to developers.
  63     if test "$werror" != "yes"; then
  64         return 0
  65     fi
  66     # Don't bother rerunning the compile if we were already using -Werror
  67     case "$*" in
  68         *-Werror*)
  69            return 0
  70         ;;
  71     esac
  72     echo $compiler -Werror "$@" >> config.log
  73     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  74     error_exit "configure test passed without -Werror but failed with -Werror." \
  75         "This is probably a bug in the configure script. The failing command" \
  76         "will be at the bottom of config.log." \
  77         "You can run configure with --disable-werror to bypass this check."
  78 }
  79
  80 do_cc() {
  81     do_compiler "$cc" "$@"
  82 }
  83
  84 do_cxx() {
  85     do_compiler "$cxx" "$@"
  86 }
  87
  88 update_cxxflags() {
  89     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
  90     # options which some versions of GCC's C++ compiler complain about
  91     # because they only make sense for C programs.
  92     QEMU_CXXFLAGS=
  93     for arg in $QEMU_CFLAGS; do
  94         case $arg in
  95             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
  96             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
  97                 ;;
  98             *)
  99                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 100                 ;;
 101         esac
 102     done
 103 }
 104
 105 compile_object() {
 106   do_cc $QEMU_CFLAGS -c -o $TMPO $TMPC
 107 }
 108
 109 compile_prog() {
 110   local_cflags="$1"
 111   local_ldflags="$2"
 112   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 113 }
 114
 115 do_libtool() {
 116     local mode=$1
 117     shift
 118     # Run the compiler, capturing its output to the log.
 119     echo $libtool $mode --tag=CC $cc "$@" >> config.log
 120     $libtool $mode --tag=CC $cc "$@" >> config.log 2>&1 || return $?
 121     # Test passed. If this is an --enable-werror build, rerun
 122     # the test with -Werror and bail out if it fails. This
 123     # makes warning-generating-errors in configure test code
 124     # obvious to developers.
 125     if test "$werror" != "yes"; then
 126         return 0
 127     fi
 128     # Don't bother rerunning the compile if we were already using -Werror
 129     case "$*" in
 130         *-Werror*)
 131            return 0
 132         ;;
 133     esac
 134     echo $libtool $mode --tag=CC $cc -Werror "$@" >> config.log
 135     $libtool $mode --tag=CC $cc -Werror "$@" >> config.log 2>&1 && return $?
 136     error_exit "configure test passed without -Werror but failed with -Werror." \
 137         "This is probably a bug in the configure script. The failing command" \
 138         "will be at the bottom of config.log." \
 139         "You can run configure with --disable-werror to bypass this check."
 140 }
 141
 142 libtool_prog() {
 143     do_libtool --mode=compile $QEMU_CFLAGS -c -fPIE -DPIE -o $TMPO $TMPC || return $?
 144     do_libtool --mode=link $LDFLAGS -o $TMPA $TMPL -rpath /usr/local/lib
 145 }
 146
 147 # symbolically link $1 to $2.  Portable version of "ln -sf".
 148 symlink() {
 149   rm -rf "$2"
 150   mkdir -p "$(dirname "$2")"
 151   ln -s "$1" "$2"
 152 }
 153
 154 # check whether a command is available to this shell (may be either an
 155 # executable or a builtin)
 156 has() {
 157     type "$1" >/dev/null 2>&1
 158 }
 159
 160 # search for an executable in PATH
 161 path_of() {
 162     local_command="$1"
 163     local_ifs="$IFS"
 164     local_dir=""
 165
 166     # pathname has a dir component?
 167     if [ "${local_command#*/}" != "$local_command" ]; then
 168         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 169             echo "$local_command"
 170             return 0
 171         fi
 172     fi
 173     if [ -z "$local_command" ]; then
 174         return 1
 175     fi
 176
 177     IFS=:
 178     for local_dir in $PATH; do
 179         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 180             echo "$local_dir/$local_command"
 181             IFS="${local_ifs:-$(printf ' \t\n')}"
 182             return 0
 183         fi
 184     done
 185     # not found
 186     IFS="${local_ifs:-$(printf ' \t\n')}"
 187     return 1
 188 }
 189
 190 have_backend () {
 191     echo "$trace_backends" | grep "$1" >/dev/null
 192 }
 193
 194 # default parameters
 195 source_path=`dirname "$0"`
 196 cpu=""
 197 iasl="iasl"
 198 interp_prefix="/usr/gnemul/qemu-%M"
 199 static="no"
 200 cross_prefix=""
 201 audio_drv_list=""
 202 block_drv_rw_whitelist=""
 203 block_drv_ro_whitelist=""
 204 host_cc="cc"
 205 libs_softmmu=""
 206 libs_tools=""
 207 audio_pt_int=""
 208 audio_win_int=""
 209 cc_i386=i386-pc-linux-gnu-gcc
 210 libs_qga=""
 211 debug_info="yes"
 212 stack_protector=""
 213
 214 # Don't accept a target_list environment variable.
 215 unset target_list
 216
 217 # Default value for a variable defining feature "foo".
 218 #  * foo="no"  feature will only be used if --enable-foo arg is given
 219 #  * foo=""    feature will be searched for, and if found, will be used
 220 #              unless --disable-foo is given
 221 #  * foo="yes" this value will only be set by --enable-foo flag.
 222 #              feature will searched for,
 223 #              if not found, configure exits with error
 224 #
 225 # Always add --enable-foo and --disable-foo command line args.
 226 # Distributions want to ensure that several features are compiled in, and it
 227 # is impossible without a --enable-foo that exits if a feature is not found.
 228
 229 bluez=""
 230 brlapi=""
 231 curl=""
 232 curses=""
 233 docs=""
 234 fdt=""
 235 netmap="no"
 236 pixman=""
 237 sdl=""
 238 sdlabi="1.2"
 239 virtfs=""
 240 vnc="yes"
 241 sparse="no"
 242 uuid=""
 243 vde=""
 244 vnc_tls=""
 245 vnc_sasl=""
 246 vnc_jpeg=""
 247 vnc_png=""
 248 vnc_ws=""
 249 xen=""
 250 xen_ctrl_version=""
 251 xen_pci_passthrough=""
 252 linux_aio=""
 253 cap_ng=""
 254 attr=""
 255 libattr=""
 256 xfs=""
 257
 258 vhost_net="no"
 259 vhost_scsi="no"
 260 kvm="no"
 261 rdma=""
 262 gprof="no"
 263 debug_tcg="no"
 264 debug="no"
 265 strip_opt="yes"
 266 tcg_interpreter="no"
 267 bigendian="no"
 268 mingw32="no"
 269 gcov="no"
 270 gcov_tool="gcov"
 271 EXESUF=""
 272 DSOSUF=".so"
 273 LDFLAGS_SHARED="-shared"
 274 modules="no"
 275 prefix="/usr/local"
 276 mandir="\${prefix}/share/man"
 277 datadir="\${prefix}/share"
 278 qemu_docdir="\${prefix}/share/doc/qemu"
 279 bindir="\${prefix}/bin"
 280 libdir="\${prefix}/lib"
 281 libexecdir="\${prefix}/libexec"
 282 includedir="\${prefix}/include"
 283 sysconfdir="\${prefix}/etc"
 284 local_statedir="\${prefix}/var"
 285 confsuffix="/qemu"
 286 slirp="yes"
 287 fmod_lib=""
 288 fmod_inc=""
 289 oss_lib=""
 290 bsd="no"
 291 linux="no"
 292 solaris="no"
 293 profiler="no"
 294 cocoa="no"
 295 softmmu="yes"
 296 linux_user="no"
 297 bsd_user="no"
 298 guest_base="yes"
 299 aix="no"
 300 blobs="yes"
 301 pkgversion=""
 302 pie=""
 303 zero_malloc=""
 304 qom_cast_debug="yes"
 305 trace_backends="nop"
 306 trace_file="trace"
 307 spice=""
 308 rbd=""
 309 smartcard_nss=""
 310 libusb=""
 311 usb_redir=""
 312 opengl=""
 313 zlib="yes"
 314 lzo=""
 315 snappy=""
 316 bzip2=""
 317 guest_agent=""
 318 guest_agent_with_vss="no"
 319 vss_win32_sdk=""
 320 win_sdk="no"
 321 want_tools="yes"
 322 libiscsi=""
 323 libnfs=""
 324 coroutine=""
 325 coroutine_pool=""
 326 seccomp=""
 327 glusterfs=""
 328 glusterfs_discard="no"
 329 glusterfs_zerofill="no"
 330 archipelago=""
 331 gtk=""
 332 gtkabi=""
 333 vte=""
 334 tpm="yes"
 335 libssh2=""
 336 vhdx=""
 337 quorum=""
 338 numa=""
 339
 340 # parse CC options first
 341 for opt do
 342   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
 343   case "$opt" in
 344   --cross-prefix=*) cross_prefix="$optarg"
 345   ;;
 346   --cc=*) CC="$optarg"
 347   ;;
 348   --cxx=*) CXX="$optarg"
 349   ;;
 350   --source-path=*) source_path="$optarg"
 351   ;;
 352   --cpu=*) cpu="$optarg"
 353   ;;
 354   --extra-cflags=*) QEMU_CFLAGS="$optarg $QEMU_CFLAGS"
 355                     EXTRA_CFLAGS="$optarg"
 356   ;;
 357   --extra-ldflags=*) LDFLAGS="$optarg $LDFLAGS"
 358                      EXTRA_LDFLAGS="$optarg"
 359   ;;
 360   --enable-debug-info) debug_info="yes"
 361   ;;
 362   --disable-debug-info) debug_info="no"
 363   ;;
 364   esac
 365 done
 366 # OS specific
 367 # Using uname is really, really broken.  Once we have the right set of checks
 368 # we can eliminate its usage altogether.
 369
 370 # Preferred compiler:
 371 #  ${CC} (if set)
 372 #  ${cross_prefix}gcc (if cross-prefix specified)
 373 #  system compiler
 374 if test -z "${CC}${cross_prefix}"; then
 375   cc="$host_cc"
 376 else
 377   cc="${CC-${cross_prefix}gcc}"
 378 fi
 379
 380 if test -z "${CXX}${cross_prefix}"; then
 381   cxx="c++"
 382 else
 383   cxx="${CXX-${cross_prefix}g++}"
 384 fi
 385
 386 ar="${AR-${cross_prefix}ar}"
 387 as="${AS-${cross_prefix}as}"
 388 cpp="${CPP-$cc -E}"
 389 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 390 ld="${LD-${cross_prefix}ld}"
 391 libtool="${LIBTOOL-${cross_prefix}libtool}"
 392 nm="${NM-${cross_prefix}nm}"
 393 strip="${STRIP-${cross_prefix}strip}"
 394 windres="${WINDRES-${cross_prefix}windres}"
 395 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 396 query_pkg_config() {
 397     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 398 }
 399 pkg_config=query_pkg_config
 400 sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
 401 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 402
 403 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 404 ARFLAGS="${ARFLAGS-rv}"
 405
 406 # default flags for all hosts
 407 QEMU_CFLAGS="-fno-strict-aliasing -fno-common $QEMU_CFLAGS"
 408 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 409 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 410 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 411 QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/include"
 412 if test "$debug_info" = "yes"; then
 413     CFLAGS="-g $CFLAGS"
 414     LDFLAGS="-g $LDFLAGS"
 415 fi
 416
 417 # make source path absolute
 418 source_path=`cd "$source_path"; pwd`
 419
 420 # running configure in the source tree?
 421 # we know that's the case if configure is there.
 422 if test -f "./configure"; then
 423     pwd_is_source_path="y"
 424 else
 425     pwd_is_source_path="n"
 426 fi
 427
 428 check_define() {
 429 cat > $TMPC <<EOF
 430 #if !defined($1)
 431 #error $1 not defined
 432 #endif
 433 int main(void) { return 0; }
 434 EOF
 435   compile_object
 436 }
 437
 438 if check_define __linux__ ; then
 439   targetos="Linux"
 440 elif check_define _WIN32 ; then
 441   targetos='MINGW32'
 442 elif check_define __OpenBSD__ ; then
 443   targetos='OpenBSD'
 444 elif check_define __sun__ ; then
 445   targetos='SunOS'
 446 elif check_define __HAIKU__ ; then
 447   targetos='Haiku'
 448 else
 449   targetos=`uname -s`
 450 fi
 451
 452 # Some host OSes need non-standard checks for which CPU to use.
 453 # Note that these checks are broken for cross-compilation: if you're
 454 # cross-compiling to one of these OSes then you'll need to specify
 455 # the correct CPU with the --cpu option.
 456 case $targetos in
 457 Darwin)
 458   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 459   # run 64-bit userspace code.
 460   # If the user didn't specify a CPU explicitly and the kernel says this is
 461   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 462   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 463     cpu="x86_64"
 464   fi
 465   ;;
 466 SunOS)
 467   # `uname -m` returns i86pc even on an x86_64 box, so default based on isainfo
 468   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 469     cpu="x86_64"
 470   fi
 471 esac
 472
 473 if test ! -z "$cpu" ; then
 474   # command line argument
 475   :
 476 elif check_define __i386__ ; then
 477   cpu="i386"
 478 elif check_define __x86_64__ ; then
 479   if check_define __ILP32__ ; then
 480     cpu="x32"
 481   else
 482     cpu="x86_64"
 483   fi
 484 elif check_define __sparc__ ; then
 485   if check_define __arch64__ ; then
 486     cpu="sparc64"
 487   else
 488     cpu="sparc"
 489   fi
 490 elif check_define _ARCH_PPC ; then
 491   if check_define _ARCH_PPC64 ; then
 492     cpu="ppc64"
 493   else
 494     cpu="ppc"
 495   fi
 496 elif check_define __mips__ ; then
 497   cpu="mips"
 498 elif check_define __ia64__ ; then
 499   cpu="ia64"
 500 elif check_define __s390__ ; then
 501   if check_define __s390x__ ; then
 502     cpu="s390x"
 503   else
 504     cpu="s390"
 505   fi
 506 elif check_define __arm__ ; then
 507   cpu="arm"
 508 elif check_define __aarch64__ ; then
 509   cpu="aarch64"
 510 elif check_define __hppa__ ; then
 511   cpu="hppa"
 512 else
 513   cpu=`uname -m`
 514 fi
 515
 516 ARCH=
 517 # Normalise host CPU name and set ARCH.
 518 # Note that this case should only have supported host CPUs, not guests.
 519 case "$cpu" in
 520   ia64|ppc|ppc64|s390|s390x|sparc64|x32)
 521     cpu="$cpu"
 522   ;;
 523   i386|i486|i586|i686|i86pc|BePC)
 524     cpu="i386"
 525   ;;
 526   x86_64|amd64)
 527     cpu="x86_64"
 528   ;;
 529   armv*b|armv*l|arm)
 530     cpu="arm"
 531   ;;
 532   aarch64)
 533     cpu="aarch64"
 534   ;;
 535   mips*)
 536     cpu="mips"
 537   ;;
 538   sparc|sun4[cdmuv])
 539     cpu="sparc"
 540   ;;
 541   *)
 542     # This will result in either an error or falling back to TCI later
 543     ARCH=unknown
 544   ;;
 545 esac
 546 if test -z "$ARCH"; then
 547   ARCH="$cpu"
 548 fi
 549
 550 # OS specific
 551
 552 # host *BSD for user mode
 553 HOST_VARIANT_DIR=""
 554
 555 case $targetos in
 556 CYGWIN*)
 557   mingw32="yes"
 558   QEMU_CFLAGS="-mno-cygwin $QEMU_CFLAGS"
 559   audio_possible_drivers="winwave sdl"
 560   audio_drv_list="winwave"
 561 ;;
 562 MINGW32*)
 563   mingw32="yes"
 564   audio_possible_drivers="winwave dsound sdl fmod"
 565   audio_drv_list="winwave"
 566 ;;
 567 GNU/kFreeBSD)
 568   bsd="yes"
 569   audio_drv_list="oss"
 570   audio_possible_drivers="oss sdl esd pa"
 571 ;;
 572 FreeBSD)
 573   bsd="yes"
 574   make="${MAKE-gmake}"
 575   audio_drv_list="oss"
 576   audio_possible_drivers="oss sdl esd pa"
 577   # needed for kinfo_getvmmap(3) in libutil.h
 578   LIBS="-lutil $LIBS"
 579   netmap=""  # enable netmap autodetect
 580   HOST_VARIANT_DIR="freebsd"
 581 ;;
 582 DragonFly)
 583   bsd="yes"
 584   make="${MAKE-gmake}"
 585   audio_drv_list="oss"
 586   audio_possible_drivers="oss sdl esd pa"
 587   HOST_VARIANT_DIR="dragonfly"
 588 ;;
 589 NetBSD)
 590   bsd="yes"
 591   make="${MAKE-gmake}"
 592   audio_drv_list="oss"
 593   audio_possible_drivers="oss sdl esd"
 594   oss_lib="-lossaudio"
 595   HOST_VARIANT_DIR="netbsd"
 596 ;;
 597 OpenBSD)
 598   bsd="yes"
 599   make="${MAKE-gmake}"
 600   audio_drv_list="sdl"
 601   audio_possible_drivers="sdl esd"
 602   HOST_VARIANT_DIR="openbsd"
 603 ;;
 604 Darwin)
 605   bsd="yes"
 606   darwin="yes"
 607   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 608   if [ "$cpu" = "x86_64" ] ; then
 609     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 610     LDFLAGS="-arch x86_64 $LDFLAGS"
 611   fi
 612   cocoa="yes"
 613   audio_drv_list="coreaudio"
 614   audio_possible_drivers="coreaudio sdl fmod"
 615   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 616   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 617   # Disable attempts to use ObjectiveC features in os/object.h since they
 618   # won't work when we're compiling with gcc as a C compiler.
 619   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 620   HOST_VARIANT_DIR="darwin"
 621 ;;
 622 SunOS)
 623   solaris="yes"
 624   make="${MAKE-gmake}"
 625   install="${INSTALL-ginstall}"
 626   ld="gld"
 627   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 628   needs_libsunmath="no"
 629   solarisrev=`uname -r | cut -f2 -d.`
 630   if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
 631     if test "$solarisrev" -le 9 ; then
 632       if test -f /opt/SUNWspro/prod/lib/libsunmath.so.1; then
 633         needs_libsunmath="yes"
 634         QEMU_CFLAGS="-I/opt/SUNWspro/prod/include/cc $QEMU_CFLAGS"
 635         LDFLAGS="-L/opt/SUNWspro/prod/lib -R/opt/SUNWspro/prod/lib $LDFLAGS"
 636         LIBS="-lsunmath $LIBS"
 637       else
 638         error_exit "QEMU will not link correctly on Solaris 8/X86 or 9/x86 without" \
 639             "libsunmath from the Sun Studio compilers tools, due to a lack of" \
 640             "C99 math features in libm.so in Solaris 8/x86 and Solaris 9/x86" \
 641             "Studio 11 can be downloaded from www.sun.com."
 642       fi
 643     fi
 644   fi
 645   if test -f /usr/include/sys/soundcard.h ; then
 646     audio_drv_list="oss"
 647   fi
 648   audio_possible_drivers="oss sdl"
 649 # needed for CMSG_ macros in sys/socket.h
 650   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 651 # needed for TIOCWIN* defines in termios.h
 652   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 653   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 654   solarisnetlibs="-lsocket -lnsl -lresolv"
 655   LIBS="$solarisnetlibs $LIBS"
 656   libs_qga="$solarisnetlibs $libs_qga"
 657 ;;
 658 AIX)
 659   aix="yes"
 660   make="${MAKE-gmake}"
 661 ;;
 662 Haiku)
 663   haiku="yes"
 664   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 665   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 666 ;;
 667 *)
 668   audio_drv_list="oss"
 669   audio_possible_drivers="oss alsa sdl esd pa"
 670   linux="yes"
 671   linux_user="yes"
 672   kvm="yes"
 673   vhost_net="yes"
 674   vhost_scsi="yes"
 675   if [ "$cpu" = "i386" -o "$cpu" = "x86_64" -o "$cpu" = "x32" ] ; then
 676     audio_possible_drivers="$audio_possible_drivers fmod"
 677   fi
 678   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$(pwd)/linux-headers $QEMU_INCLUDES"
 679 ;;
 680 esac
 681
 682 if [ "$bsd" = "yes" ] ; then
 683   if [ "$darwin" != "yes" ] ; then
 684     bsd_user="yes"
 685   fi
 686 fi
 687
 688 : ${make=${MAKE-make}}
 689 : ${install=${INSTALL-install}}
 690 : ${python=${PYTHON-python}}
 691 : ${smbd=${SMBD-/usr/sbin/smbd}}
 692
 693 # Default objcc to clang if available, otherwise use CC
 694 if has clang; then
 695   objcc=clang
 696 else
 697   objcc="$cc"
 698 fi
 699
 700 if test "$mingw32" = "yes" ; then
 701   EXESUF=".exe"
 702   DSOSUF=".dll"
 703   QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
 704   # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
 705   QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
 706   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 707 cat > $TMPC << EOF
 708 int main(void) { return 0; }
 709 EOF
 710   if compile_prog "" "-liberty" ; then
 711     LIBS="-liberty $LIBS"
 712   fi
 713   prefix="c:/Program Files/QEMU"
 714   mandir="\${prefix}"
 715   datadir="\${prefix}"
 716   qemu_docdir="\${prefix}"
 717   bindir="\${prefix}"
 718   sysconfdir="\${prefix}"
 719   local_statedir=
 720   confsuffix=""
 721   libs_qga="-lws2_32 -lwinmm -lpowrprof $libs_qga"
 722 fi
 723
 724 werror=""
 725
 726 for opt do
 727   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
 728   case "$opt" in
 729   --help|-h) show_help=yes
 730   ;;
 731   --version|-V) exec cat $source_path/VERSION
 732   ;;
 733   --prefix=*) prefix="$optarg"
 734   ;;
 735   --interp-prefix=*) interp_prefix="$optarg"
 736   ;;
 737   --source-path=*)
 738   ;;
 739   --cross-prefix=*)
 740   ;;
 741   --cc=*)
 742   ;;
 743   --host-cc=*) host_cc="$optarg"
 744   ;;
 745   --cxx=*)
 746   ;;
 747   --iasl=*) iasl="$optarg"
 748   ;;
 749   --objcc=*) objcc="$optarg"
 750   ;;
 751   --make=*) make="$optarg"
 752   ;;
 753   --install=*) install="$optarg"
 754   ;;
 755   --python=*) python="$optarg"
 756   ;;
 757   --gcov=*) gcov_tool="$optarg"
 758   ;;
 759   --smbd=*) smbd="$optarg"
 760   ;;
 761   --extra-cflags=*)
 762   ;;
 763   --extra-ldflags=*)
 764   ;;
 765   --enable-debug-info)
 766   ;;
 767   --disable-debug-info)
 768   ;;
 769   --enable-modules)
 770       modules="yes"
 771   ;;
 772   --cpu=*)
 773   ;;
 774   --target-list=*) target_list="$optarg"
 775   ;;
 776   --enable-trace-backends=*) trace_backends="$optarg"
 777   ;;
 778   # XXX: backwards compatibility
 779   --enable-trace-backend=*) trace_backends="$optarg"
 780   ;;
 781   --with-trace-file=*) trace_file="$optarg"
 782   ;;
 783   --enable-gprof) gprof="yes"
 784   ;;
 785   --enable-gcov) gcov="yes"
 786   ;;
 787   --static)
 788     static="yes"
 789     LDFLAGS="-static $LDFLAGS"
 790     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
 791   ;;
 792   --mandir=*) mandir="$optarg"
 793   ;;
 794   --bindir=*) bindir="$optarg"
 795   ;;
 796   --libdir=*) libdir="$optarg"
 797   ;;
 798   --libexecdir=*) libexecdir="$optarg"
 799   ;;
 800   --includedir=*) includedir="$optarg"
 801   ;;
 802   --datadir=*) datadir="$optarg"
 803   ;;
 804   --with-confsuffix=*) confsuffix="$optarg"
 805   ;;
 806   --docdir=*) qemu_docdir="$optarg"
 807   ;;
 808   --sysconfdir=*) sysconfdir="$optarg"
 809   ;;
 810   --localstatedir=*) local_statedir="$optarg"
 811   ;;
 812   --sbindir=*|--sharedstatedir=*|\
 813   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
 814   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 815     # These switches are silently ignored, for compatibility with
 816     # autoconf-generated configure scripts. This allows QEMU's
 817     # configure to be used by RPM and similar macros that set
 818     # lots of directory switches by default.
 819   ;;
 820   --with-system-pixman) pixman="system"
 821   ;;
 822   --without-system-pixman) pixman="internal"
 823   ;;
 824   --without-pixman) pixman="none"
 825   ;;
 826   --disable-sdl) sdl="no"
 827   ;;
 828   --enable-sdl) sdl="yes"
 829   ;;
 830   --with-sdlabi=*) sdlabi="$optarg"
 831   ;;
 832   --disable-qom-cast-debug) qom_cast_debug="no"
 833   ;;
 834   --enable-qom-cast-debug) qom_cast_debug="yes"
 835   ;;
 836   --disable-virtfs) virtfs="no"
 837   ;;
 838   --enable-virtfs) virtfs="yes"
 839   ;;
 840   --disable-vnc) vnc="no"
 841   ;;
 842   --enable-vnc) vnc="yes"
 843   ;;
 844   --fmod-lib=*) fmod_lib="$optarg"
 845   ;;
 846   --fmod-inc=*) fmod_inc="$optarg"
 847   ;;
 848   --oss-lib=*) oss_lib="$optarg"
 849   ;;
 850   --audio-drv-list=*) audio_drv_list="$optarg"
 851   ;;
 852   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=`echo "$optarg" | sed -e 's/,/ /g'`
 853   ;;
 854   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=`echo "$optarg" | sed -e 's/,/ /g'`
 855   ;;
 856   --enable-debug-tcg) debug_tcg="yes"
 857   ;;
 858   --disable-debug-tcg) debug_tcg="no"
 859   ;;
 860   --enable-debug)
 861       # Enable debugging options that aren't excessively noisy
 862       debug_tcg="yes"
 863       debug="yes"
 864       strip_opt="no"
 865   ;;
 866   --enable-sparse) sparse="yes"
 867   ;;
 868   --disable-sparse) sparse="no"
 869   ;;
 870   --disable-strip) strip_opt="no"
 871   ;;
 872   --disable-vnc-tls) vnc_tls="no"
 873   ;;
 874   --enable-vnc-tls) vnc_tls="yes"
 875   ;;
 876   --disable-vnc-sasl) vnc_sasl="no"
 877   ;;
 878   --enable-vnc-sasl) vnc_sasl="yes"
 879   ;;
 880   --disable-vnc-jpeg) vnc_jpeg="no"
 881   ;;
 882   --enable-vnc-jpeg) vnc_jpeg="yes"
 883   ;;
 884   --disable-vnc-png) vnc_png="no"
 885   ;;
 886   --enable-vnc-png) vnc_png="yes"
 887   ;;
 888   --disable-vnc-ws) vnc_ws="no"
 889   ;;
 890   --enable-vnc-ws) vnc_ws="yes"
 891   ;;
 892   --disable-slirp) slirp="no"
 893   ;;
 894   --disable-uuid) uuid="no"
 895   ;;
 896   --enable-uuid) uuid="yes"
 897   ;;
 898   --disable-vde) vde="no"
 899   ;;
 900   --enable-vde) vde="yes"
 901   ;;
 902   --disable-netmap) netmap="no"
 903   ;;
 904   --enable-netmap) netmap="yes"
 905   ;;
 906   --disable-xen) xen="no"
 907   ;;
 908   --enable-xen) xen="yes"
 909   ;;
 910   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
 911   ;;
 912   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
 913   ;;
 914   --disable-brlapi) brlapi="no"
 915   ;;
 916   --enable-brlapi) brlapi="yes"
 917   ;;
 918   --disable-bluez) bluez="no"
 919   ;;
 920   --enable-bluez) bluez="yes"
 921   ;;
 922   --disable-kvm) kvm="no"
 923   ;;
 924   --enable-kvm) kvm="yes"
 925   ;;
 926   --disable-tcg-interpreter) tcg_interpreter="no"
 927   ;;
 928   --enable-tcg-interpreter) tcg_interpreter="yes"
 929   ;;
 930   --disable-cap-ng)  cap_ng="no"
 931   ;;
 932   --enable-cap-ng) cap_ng="yes"
 933   ;;
 934   --disable-spice) spice="no"
 935   ;;
 936   --enable-spice) spice="yes"
 937   ;;
 938   --disable-libiscsi) libiscsi="no"
 939   ;;
 940   --enable-libiscsi) libiscsi="yes"
 941   ;;
 942   --disable-libnfs) libnfs="no"
 943   ;;
 944   --enable-libnfs) libnfs="yes"
 945   ;;
 946   --enable-profiler) profiler="yes"
 947   ;;
 948   --disable-cocoa) cocoa="no"
 949   ;;
 950   --enable-cocoa)
 951       cocoa="yes" ;
 952       sdl="no" ;
 953       audio_drv_list="coreaudio `echo $audio_drv_list | sed s,coreaudio,,g`"
 954   ;;
 955   --disable-system) softmmu="no"
 956   ;;
 957   --enable-system) softmmu="yes"
 958   ;;
 959   --disable-user)
 960       linux_user="no" ;
 961       bsd_user="no" ;
 962   ;;
 963   --enable-user) ;;
 964   --disable-linux-user) linux_user="no"
 965   ;;
 966   --enable-linux-user) linux_user="yes"
 967   ;;
 968   --disable-bsd-user) bsd_user="no"
 969   ;;
 970   --enable-bsd-user) bsd_user="yes"
 971   ;;
 972   --enable-guest-base) guest_base="yes"
 973   ;;
 974   --disable-guest-base) guest_base="no"
 975   ;;
 976   --enable-pie) pie="yes"
 977   ;;
 978   --disable-pie) pie="no"
 979   ;;
 980   --enable-werror) werror="yes"
 981   ;;
 982   --disable-werror) werror="no"
 983   ;;
 984   --enable-stack-protector) stack_protector="yes"
 985   ;;
 986   --disable-stack-protector) stack_protector="no"
 987   ;;
 988   --disable-curses) curses="no"
 989   ;;
 990   --enable-curses) curses="yes"
 991   ;;
 992   --disable-curl) curl="no"
 993   ;;
 994   --enable-curl) curl="yes"
 995   ;;
 996   --disable-fdt) fdt="no"
 997   ;;
 998   --enable-fdt) fdt="yes"
 999   ;;
1000   --disable-linux-aio) linux_aio="no"
1001   ;;
1002   --enable-linux-aio) linux_aio="yes"
1003   ;;
1004   --disable-attr) attr="no"
1005   ;;
1006   --enable-attr) attr="yes"
1007   ;;
1008   --disable-blobs) blobs="no"
1009   ;;
1010   --with-pkgversion=*) pkgversion=" ($optarg)"
1011   ;;
1012   --with-coroutine=*) coroutine="$optarg"
1013   ;;
1014   --disable-coroutine-pool) coroutine_pool="no"
1015   ;;
1016   --enable-coroutine-pool) coroutine_pool="yes"
1017   ;;
1018   --disable-docs) docs="no"
1019   ;;
1020   --enable-docs) docs="yes"
1021   ;;
1022   --disable-vhost-net) vhost_net="no"
1023   ;;
1024   --enable-vhost-net) vhost_net="yes"
1025   ;;
1026   --disable-vhost-scsi) vhost_scsi="no"
1027   ;;
1028   --enable-vhost-scsi) vhost_scsi="yes"
1029   ;;
1030   --disable-opengl) opengl="no"
1031   ;;
1032   --enable-opengl) opengl="yes"
1033   ;;
1034   --disable-rbd) rbd="no"
1035   ;;
1036   --enable-rbd) rbd="yes"
1037   ;;
1038   --disable-xfsctl) xfs="no"
1039   ;;
1040   --enable-xfsctl) xfs="yes"
1041   ;;
1042   --disable-smartcard-nss) smartcard_nss="no"
1043   ;;
1044   --enable-smartcard-nss) smartcard_nss="yes"
1045   ;;
1046   --disable-libusb) libusb="no"
1047   ;;
1048   --enable-libusb) libusb="yes"
1049   ;;
1050   --disable-usb-redir) usb_redir="no"
1051   ;;
1052   --enable-usb-redir) usb_redir="yes"
1053   ;;
1054   --disable-zlib-test) zlib="no"
1055   ;;
1056   --disable-lzo) lzo="no"
1057   ;;
1058   --enable-lzo) lzo="yes"
1059   ;;
1060   --disable-snappy) snappy="no"
1061   ;;
1062   --enable-snappy) snappy="yes"
1063   ;;
1064   --disable-bzip2) bzip2="no"
1065   ;;
1066   --enable-bzip2) bzip2="yes"
1067   ;;
1068   --enable-guest-agent) guest_agent="yes"
1069   ;;
1070   --disable-guest-agent) guest_agent="no"
1071   ;;
1072   --with-vss-sdk) vss_win32_sdk=""
1073   ;;
1074   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1075   ;;
1076   --without-vss-sdk) vss_win32_sdk="no"
1077   ;;
1078   --with-win-sdk) win_sdk=""
1079   ;;
1080   --with-win-sdk=*) win_sdk="$optarg"
1081   ;;
1082   --without-win-sdk) win_sdk="no"
1083   ;;
1084   --enable-tools) want_tools="yes"
1085   ;;
1086   --disable-tools) want_tools="no"
1087   ;;
1088   --enable-seccomp) seccomp="yes"
1089   ;;
1090   --disable-seccomp) seccomp="no"
1091   ;;
1092   --disable-glusterfs) glusterfs="no"
1093   ;;
1094   --enable-glusterfs) glusterfs="yes"
1095   ;;
1096   --disable-archipelago) archipelago="no"
1097   ;;
1098   --enable-archipelago) archipelago="yes"
1099   ;;
1100   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1101       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1102   ;;
1103   --disable-gtk) gtk="no"
1104   ;;
1105   --enable-gtk) gtk="yes"
1106   ;;
1107   --enable-rdma) rdma="yes"
1108   ;;
1109   --disable-rdma) rdma="no"
1110   ;;
1111   --with-gtkabi=*) gtkabi="$optarg"
1112   ;;
1113   --disable-vte) vte="no"
1114   ;;
1115   --enable-vte) vte="yes"
1116   ;;
1117   --disable-tpm) tpm="no"
1118   ;;
1119   --enable-tpm) tpm="yes"
1120   ;;
1121   --disable-libssh2) libssh2="no"
1122   ;;
1123   --enable-libssh2) libssh2="yes"
1124   ;;
1125   --enable-vhdx) vhdx="yes"
1126   ;;
1127   --disable-vhdx) vhdx="no"
1128   ;;
1129   --disable-quorum) quorum="no"
1130   ;;
1131   --enable-quorum) quorum="yes"
1132   ;;
1133   --disable-numa) numa="no"
1134   ;;
1135   --enable-numa) numa="yes"
1136   ;;
1137   *)
1138       echo "ERROR: unknown option $opt"
1139       echo "Try '$0 --help' for more information"
1140       exit 1
1141   ;;
1142   esac
1143 done
1144
1145 if ! has $python; then
1146   error_exit "Python not found. Use --python=/path/to/python"
1147 fi
1148
1149 # Note that if the Python conditional here evaluates True we will exit
1150 # with status 1 which is a shell 'false' value.
1151 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,4) or sys.version_info >= (3,))'; then
1152   error_exit "Cannot use '$python', Python 2.4 or later is required." \
1153       "Note that Python 3 or later is not yet supported." \
1154       "Use --python=/path/to/python to specify a supported Python."
1155 fi
1156
1157 # The -B switch was added in Python 2.6.
1158 # If it is supplied, compiled files are not written.
1159 # Use it for Python versions which support it.
1160 if $python -B -c 'import sys; sys.exit(0)' 2>/dev/null; then
1161   python="$python -B"
1162 fi
1163
1164 case "$cpu" in
1165     ppc)
1166            CPU_CFLAGS="-m32"
1167            LDFLAGS="-m32 $LDFLAGS"
1168            ;;
1169     ppc64)
1170            CPU_CFLAGS="-m64"
1171            LDFLAGS="-m64 $LDFLAGS"
1172            ;;
1173     sparc)
1174            LDFLAGS="-m32 $LDFLAGS"
1175            CPU_CFLAGS="-m32 -mcpu=ultrasparc"
1176            ;;
1177     sparc64)
1178            LDFLAGS="-m64 $LDFLAGS"
1179            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1180            ;;
1181     s390)
1182            CPU_CFLAGS="-m31"
1183            LDFLAGS="-m31 $LDFLAGS"
1184            ;;
1185     s390x)
1186            CPU_CFLAGS="-m64"
1187            LDFLAGS="-m64 $LDFLAGS"
1188            ;;
1189     i386)
1190            CPU_CFLAGS="-m32"
1191            LDFLAGS="-m32 $LDFLAGS"
1192            cc_i386='$(CC) -m32'
1193            ;;
1194     x86_64)
1195            CPU_CFLAGS="-m64"
1196            LDFLAGS="-m64 $LDFLAGS"
1197            cc_i386='$(CC) -m32'
1198            ;;
1199     x32)
1200            CPU_CFLAGS="-mx32"
1201            LDFLAGS="-mx32 $LDFLAGS"
1202            cc_i386='$(CC) -m32'
1203            ;;
1204     # No special flags required for other host CPUs
1205 esac
1206
1207 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1208 EXTRA_CFLAGS="$CPU_CFLAGS $EXTRA_CFLAGS"
1209
1210 default_target_list=""
1211
1212 mak_wilds=""
1213
1214 if [ "$softmmu" = "yes" ]; then
1215     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1216 fi
1217 if [ "$linux_user" = "yes" ]; then
1218     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1219 fi
1220 if [ "$bsd_user" = "yes" ]; then
1221     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1222 fi
1223
1224 for config in $mak_wilds; do
1225     default_target_list="${default_target_list} $(basename "$config" .mak)"
1226 done
1227
1228 if test x"$show_help" = x"yes" ; then
1229 cat << EOF
1230
1231 Usage: configure [options]
1232 Options: [defaults in brackets after descriptions]
1233
1234 Standard options:
1235   --help                   print this message
1236   --prefix=PREFIX          install in PREFIX [$prefix]
1237   --interp-prefix=PREFIX   where to find shared libraries, etc.
1238                            use %M for cpu name [$interp_prefix]
1239   --target-list=LIST       set target list (default: build everything)
1240 $(echo Available targets: $default_target_list | \
1241   fold -s -w 53 | sed -e 's/^/                           /')
1242
1243 Advanced options (experts only):
1244   --source-path=PATH       path of source code [$source_path]
1245   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1246   --cc=CC                  use C compiler CC [$cc]
1247   --iasl=IASL              use ACPI compiler IASL [$iasl]
1248   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1249                            build time
1250   --cxx=CXX                use C++ compiler CXX [$cxx]
1251   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1252   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1253   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1254   --make=MAKE              use specified make [$make]
1255   --install=INSTALL        use specified install [$install]
1256   --python=PYTHON          use specified python [$python]
1257   --smbd=SMBD              use specified smbd [$smbd]
1258   --static                 enable static build [$static]
1259   --mandir=PATH            install man pages in PATH
1260   --datadir=PATH           install firmware in PATH$confsuffix
1261   --docdir=PATH            install documentation in PATH$confsuffix
1262   --bindir=PATH            install binaries in PATH
1263   --libdir=PATH            install libraries in PATH
1264   --sysconfdir=PATH        install config in PATH$confsuffix
1265   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1266   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1267   --enable-modules         enable modules support
1268   --enable-debug-tcg       enable TCG debugging
1269   --disable-debug-tcg      disable TCG debugging (default)
1270   --enable-debug-info      enable debugging information (default)
1271   --disable-debug-info     disable debugging information
1272   --enable-debug           enable common debug build options
1273   --enable-sparse          enable sparse checker
1274   --disable-sparse         disable sparse checker (default)
1275   --disable-strip          disable stripping binaries
1276   --disable-werror         disable compilation abort on warning
1277   --disable-stack-protector disable compiler-provided stack protection
1278   --disable-sdl            disable SDL
1279   --enable-sdl             enable SDL
1280   --with-sdlabi            select preferred SDL ABI 1.2 or 2.0
1281   --disable-gtk            disable gtk UI
1282   --enable-gtk             enable gtk UI
1283   --with-gtkabi            select preferred GTK ABI 2.0 or 3.0
1284   --disable-virtfs         disable VirtFS
1285   --enable-virtfs          enable VirtFS
1286   --disable-vnc            disable VNC
1287   --enable-vnc             enable VNC
1288   --disable-cocoa          disable Cocoa (Mac OS X only)
1289   --enable-cocoa           enable Cocoa (default on Mac OS X)
1290   --audio-drv-list=LIST    set audio drivers list:
1291                            Available drivers: $audio_possible_drivers
1292   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1293   --block-drv-rw-whitelist=L
1294                            set block driver read-write whitelist
1295                            (affects only QEMU, not qemu-img)
1296   --block-drv-ro-whitelist=L
1297                            set block driver read-only whitelist
1298                            (affects only QEMU, not qemu-img)
1299   --disable-xen            disable xen backend driver support
1300   --enable-xen             enable xen backend driver support
1301   --disable-xen-pci-passthrough
1302   --enable-xen-pci-passthrough
1303   --disable-brlapi         disable BrlAPI
1304   --enable-brlapi          enable BrlAPI
1305   --disable-vnc-tls        disable TLS encryption for VNC server
1306   --enable-vnc-tls         enable TLS encryption for VNC server
1307   --disable-vnc-sasl       disable SASL encryption for VNC server
1308   --enable-vnc-sasl        enable SASL encryption for VNC server
1309   --disable-vnc-jpeg       disable JPEG lossy compression for VNC server
1310   --enable-vnc-jpeg        enable JPEG lossy compression for VNC server
1311   --disable-vnc-png        disable PNG compression for VNC server (default)
1312   --enable-vnc-png         enable PNG compression for VNC server
1313   --disable-vnc-ws         disable Websockets support for VNC server
1314   --enable-vnc-ws          enable Websockets support for VNC server
1315   --disable-curses         disable curses output
1316   --enable-curses          enable curses output
1317   --disable-curl           disable curl connectivity
1318   --enable-curl            enable curl connectivity
1319   --disable-fdt            disable fdt device tree
1320   --enable-fdt             enable fdt device tree
1321   --disable-bluez          disable bluez stack connectivity
1322   --enable-bluez           enable bluez stack connectivity
1323   --disable-slirp          disable SLIRP userspace network connectivity
1324   --disable-kvm            disable KVM acceleration support
1325   --enable-kvm             enable KVM acceleration support
1326   --disable-rdma           disable RDMA-based migration support
1327   --enable-rdma            enable RDMA-based migration support
1328   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1329   --enable-system          enable all system emulation targets
1330   --disable-system         disable all system emulation targets
1331   --enable-user            enable supported user emulation targets
1332   --disable-user           disable all user emulation targets
1333   --enable-linux-user      enable all linux usermode emulation targets
1334   --disable-linux-user     disable all linux usermode emulation targets
1335   --enable-bsd-user        enable all BSD usermode emulation targets
1336   --disable-bsd-user       disable all BSD usermode emulation targets
1337   --enable-guest-base      enable GUEST_BASE support for usermode
1338                            emulation targets
1339   --disable-guest-base     disable GUEST_BASE support
1340   --enable-pie             build Position Independent Executables
1341   --disable-pie            do not build Position Independent Executables
1342   --fmod-lib               path to FMOD library
1343   --fmod-inc               path to FMOD includes
1344   --oss-lib                path to OSS library
1345   --cpu=CPU                Build for host CPU [$cpu]
1346   --disable-uuid           disable uuid support
1347   --enable-uuid            enable uuid support
1348   --disable-vde            disable support for vde network
1349   --enable-vde             enable support for vde network
1350   --disable-netmap         disable support for netmap network
1351   --enable-netmap          enable support for netmap network
1352   --disable-linux-aio      disable Linux AIO support
1353   --enable-linux-aio       enable Linux AIO support
1354   --disable-cap-ng         disable libcap-ng support
1355   --enable-cap-ng          enable libcap-ng support
1356   --disable-attr           disable attr and xattr support
1357   --enable-attr            enable attr and xattr support
1358   --disable-blobs          disable installing provided firmware blobs
1359   --enable-docs            enable documentation build
1360   --disable-docs           disable documentation build
1361   --disable-vhost-net      disable vhost-net acceleration support
1362   --enable-vhost-net       enable vhost-net acceleration support
1363   --enable-trace-backends=B Set trace backend
1364                            Available backends: $($python $source_path/scripts/tracetool.py --list-backends)
1365   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1366                            Default:trace-<pid>
1367   --disable-spice          disable spice
1368   --enable-spice           enable spice
1369   --enable-rbd             enable building the rados block device (rbd)
1370   --disable-libiscsi       disable iscsi support
1371   --enable-libiscsi        enable iscsi support
1372   --disable-libnfs         disable nfs support
1373   --enable-libnfs          enable nfs support
1374   --disable-smartcard-nss  disable smartcard nss support
1375   --enable-smartcard-nss   enable smartcard nss support
1376   --disable-libusb         disable libusb (for usb passthrough)
1377   --enable-libusb          enable libusb (for usb passthrough)
1378   --disable-usb-redir      disable usb network redirection support
1379   --enable-usb-redir       enable usb network redirection support
1380   --enable-lzo             enable the support of lzo compression library
1381   --enable-snappy          enable the support of snappy compression library
1382   --enable-bzip2           enable the support of bzip2 compression library (for
1383                            reading bzip2-compressed dmg images)
1384   --disable-guest-agent    disable building of the QEMU Guest Agent
1385   --enable-guest-agent     enable building of the QEMU Guest Agent
1386   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1387   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1388   --disable-seccomp        disable seccomp support
1389   --enable-seccomp         enable seccomp support
1390   --with-coroutine=BACKEND coroutine backend. Supported options:
1391                            gthread, ucontext, sigaltstack, windows
1392   --disable-coroutine-pool disable coroutine freelist (worse performance)
1393   --enable-coroutine-pool  enable coroutine freelist (better performance)
1394   --enable-glusterfs       enable GlusterFS backend
1395   --disable-glusterfs      disable GlusterFS backend
1396   --enable-archipelago     enable Archipelago backend
1397   --disable-archipelago    disable Archipelago backend
1398   --enable-gcov            enable test coverage analysis with gcov
1399   --gcov=GCOV              use specified gcov [$gcov_tool]
1400   --disable-tpm            disable TPM support
1401   --enable-tpm             enable TPM support
1402   --disable-libssh2        disable ssh block device support
1403   --enable-libssh2         enable ssh block device support
1404   --disable-vhdx           disable support for the Microsoft VHDX image format
1405   --enable-vhdx            enable support for the Microsoft VHDX image format
1406   --disable-quorum         disable quorum block filter support
1407   --enable-quorum          enable quorum block filter support
1408   --disable-numa           disable libnuma support
1409   --enable-numa            enable libnuma support
1410
1411 NOTE: The object files are built at the place where configure is launched
1412 EOF
1413 exit 0
1414 fi
1415
1416 # Now we have handled --enable-tcg-interpreter and know we're not just
1417 # printing the help message, bail out if the host CPU isn't supported.
1418 if test "$ARCH" = "unknown"; then
1419     if test "$tcg_interpreter" = "yes" ; then
1420         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1421         ARCH=tci
1422     else
1423         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1424     fi
1425 fi
1426
1427 # Consult white-list to determine whether to enable werror
1428 # by default.  Only enable by default for git builds
1429 z_version=`cut -f3 -d. $source_path/VERSION`
1430
1431 if test -z "$werror" ; then
1432     if test -d "$source_path/.git" -a \
1433         "$linux" = "yes" ; then
1434         werror="yes"
1435     else
1436         werror="no"
1437     fi
1438 fi
1439
1440 # check that the C compiler works.
1441 cat > $TMPC <<EOF
1442 int main(void) { return 0; }
1443 EOF
1444
1445 if compile_object ; then
1446   : C compiler works ok
1447 else
1448     error_exit "\"$cc\" either does not exist or does not work"
1449 fi
1450
1451 # Check that the C++ compiler exists and works with the C compiler
1452 if has $cxx; then
1453     cat > $TMPC <<EOF
1454 int c_function(void);
1455 int main(void) { return c_function(); }
1456 EOF
1457
1458     compile_object
1459
1460     cat > $TMPCXX <<EOF
1461 extern "C" {
1462    int c_function(void);
1463 }
1464 int c_function(void) { return 42; }
1465 EOF
1466
1467     update_cxxflags
1468
1469     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
1470         # C++ compiler $cxx works ok with C compiler $cc
1471         :
1472     else
1473         echo "C++ compiler $cxx does not work with C compiler $cc"
1474         echo "Disabling C++ specific optional code"
1475         cxx=
1476     fi
1477 else
1478     echo "No C++ compiler available; disabling C++ specific optional code"
1479     cxx=
1480 fi
1481
1482 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1483 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1484 gcc_flags="-Wmissing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1485 gcc_flags="-Wendif-labels $gcc_flags"
1486 gcc_flags="-Wno-initializer-overrides $gcc_flags"
1487 gcc_flags="-Wno-string-plus-int $gcc_flags"
1488 # Note that we do not add -Werror to gcc_flags here, because that would
1489 # enable it for all configure tests. If a configure test failed due
1490 # to -Werror this would just silently disable some features,
1491 # so it's too error prone.
1492 cat > $TMPC << EOF
1493 int main(void) { return 0; }
1494 EOF
1495 for flag in $gcc_flags; do
1496     # Use the positive sense of the flag when testing for -Wno-wombat
1497     # support (gcc will happily accept the -Wno- form of unknown
1498     # warning options).
1499     optflag="$(echo $flag | sed -e 's/^-Wno-/-W/')"
1500     if compile_prog "-Werror $optflag" "" ; then
1501         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1502     fi
1503 done
1504
1505 if test "$stack_protector" != "no"; then
1506   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1507   sp_on=0
1508   for flag in $gcc_flags; do
1509     # We need to check both a compile and a link, since some compiler
1510     # setups fail only on a .c->.o compile and some only at link time
1511     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1512        compile_prog "-Werror $flag" ""; then
1513       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1514       LIBTOOLFLAGS="$LIBTOOLFLAGS -Wc,$flag"
1515       sp_on=1
1516       break
1517     fi
1518   done
1519   if test "$stack_protector" = yes; then
1520     if test $sp_on = 0; then
1521       error_exit "Stack protector not supported"
1522     fi
1523   fi
1524 fi
1525
1526 # Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC and
1527 # large functions that use global variables.  The bug is in all releases of
1528 # GCC, but it became particularly acute in 4.6.x and 4.7.x.  It is fixed in
1529 # 4.7.3 and 4.8.0.  We should be able to delete this at the end of 2013.
1530 cat > $TMPC << EOF
1531 #if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
1532 int main(void) { return 0; }
1533 #else
1534 #error No bug in this compiler.
1535 #endif
1536 EOF
1537 if compile_prog "-Werror -fno-gcse" "" ; then
1538   TRANSLATE_OPT_CFLAGS=-fno-gcse
1539 fi
1540
1541 if test "$static" = "yes" ; then
1542   if test "$modules" = "yes" ; then
1543     error_exit "static and modules are mutually incompatible"
1544   fi
1545   if test "$pie" = "yes" ; then
1546     error_exit "static and pie are mutually incompatible"
1547   else
1548     pie="no"
1549   fi
1550 fi
1551
1552 if test "$pie" = ""; then
1553   case "$cpu-$targetos" in
1554     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1555       ;;
1556     *)
1557       pie="no"
1558       ;;
1559   esac
1560 fi
1561
1562 if test "$pie" != "no" ; then
1563   cat > $TMPC << EOF
1564
1565 #ifdef __linux__
1566 #  define THREAD __thread
1567 #else
1568 #  define THREAD
1569 #endif
1570
1571 static THREAD int tls_var;
1572
1573 int main(void) { return tls_var; }
1574
1575 EOF
1576   if compile_prog "-fPIE -DPIE" "-pie"; then
1577     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1578     LDFLAGS="-pie $LDFLAGS"
1579     pie="yes"
1580     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1581       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
1582     fi
1583   else
1584     if test "$pie" = "yes"; then
1585       error_exit "PIE not available due to missing toolchain support"
1586     else
1587       echo "Disabling PIE due to missing toolchain support"
1588       pie="no"
1589     fi
1590   fi
1591
1592   if compile_prog "-fno-pie" "-nopie"; then
1593     CFLAGS_NOPIE="-fno-pie"
1594     LDFLAGS_NOPIE="-nopie"
1595   fi
1596 fi
1597
1598 # check for broken gcc and libtool in RHEL5
1599 if test -n "$libtool" -a "$pie" != "no" ; then
1600   cat > $TMPC <<EOF
1601
1602 void *f(unsigned char *buf, int len);
1603 void *g(unsigned char *buf, int len);
1604
1605 void *
1606 f(unsigned char *buf, int len)
1607 {
1608     return (void*)0L;
1609 }
1610
1611 void *
1612 g(unsigned char *buf, int len)
1613 {
1614     return f(buf, len);
1615 }
1616
1617 EOF
1618   if ! libtool_prog; then
1619     echo "Disabling libtool due to broken toolchain support"
1620     libtool=
1621   fi
1622 fi
1623
1624 ##########################################
1625 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1626 # use i686 as default anyway, but for those that don't, an explicit
1627 # specification is necessary
1628
1629 if test "$cpu" = "i386"; then
1630   cat > $TMPC << EOF
1631 static int sfaa(int *ptr)
1632 {
1633   return __sync_fetch_and_and(ptr, 0);
1634 }
1635
1636 int main(void)
1637 {
1638   int val = 42;
1639   val = __sync_val_compare_and_swap(&val, 0, 1);
1640   sfaa(&val);
1641   return val;
1642 }
1643 EOF
1644   if ! compile_prog "" "" ; then
1645     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1646   fi
1647 fi
1648
1649 #########################################
1650 # Solaris specific configure tool chain decisions
1651
1652 if test "$solaris" = "yes" ; then
1653   if has $install; then
1654     :
1655   else
1656     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
1657         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
1658         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
1659   fi
1660   if test "`path_of $install`" = "/usr/sbin/install" ; then
1661     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
1662         "try ginstall from the GNU fileutils available from www.blastwave.org" \
1663         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
1664   fi
1665   if has ar; then
1666     :
1667   else
1668     if test -f /usr/ccs/bin/ar ; then
1669       error_exit "No path includes ar" \
1670           "Add /usr/ccs/bin to your path and rerun configure"
1671     fi
1672     error_exit "No path includes ar"
1673   fi
1674 fi
1675
1676 if test -z "${target_list+xxx}" ; then
1677     target_list="$default_target_list"
1678 else
1679     target_list=`echo "$target_list" | sed -e 's/,/ /g'`
1680 fi
1681
1682 # Check that we recognised the target name; this allows a more
1683 # friendly error message than if we let it fall through.
1684 for target in $target_list; do
1685     case " $default_target_list " in
1686         *" $target "*)
1687             ;;
1688         *)
1689             error_exit "Unknown target name '$target'"
1690             ;;
1691     esac
1692 done
1693
1694 # see if system emulation was really requested
1695 case " $target_list " in
1696   *"-softmmu "*) softmmu=yes
1697   ;;
1698   *) softmmu=no
1699   ;;
1700 esac
1701
1702 feature_not_found() {
1703   feature=$1
1704   remedy=$2
1705
1706   error_exit "User requested feature $feature" \
1707       "configure was not able to find it." \
1708       "$remedy"
1709 }
1710
1711 # ---
1712 # big/little endian test
1713 cat > $TMPC << EOF
1714 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1715 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
1716 extern int foo(short *, short *);
1717 int main(int argc, char *argv[]) {
1718     return foo(big_endian, little_endian);
1719 }
1720 EOF
1721
1722 if compile_object ; then
1723     if grep -q BiGeNdIaN $TMPO ; then
1724         bigendian="yes"
1725     elif grep -q LiTtLeEnDiAn $TMPO ; then
1726         bigendian="no"
1727     else
1728         echo big/little test failed
1729     fi
1730 else
1731     echo big/little test failed
1732 fi
1733
1734 ##########################################
1735 # L2TPV3 probe
1736
1737 cat > $TMPC <<EOF
1738 #include <sys/socket.h>
1739 #include <linux/ip.h>
1740 int main(void) { return sizeof(struct mmsghdr); }
1741 EOF
1742 if compile_prog "" "" ; then
1743   l2tpv3=yes
1744 else
1745   l2tpv3=no
1746 fi
1747
1748 ##########################################
1749 # pkg-config probe
1750
1751 if ! has "$pkg_config_exe"; then
1752   error_exit "pkg-config binary '$pkg_config_exe' not found"
1753 fi
1754
1755 ##########################################
1756 # NPTL probe
1757
1758 if test "$linux_user" = "yes"; then
1759   cat > $TMPC <<EOF
1760 #include <sched.h>
1761 #include <linux/futex.h>
1762 int main(void) {
1763 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
1764 #error bork
1765 #endif
1766   return 0;
1767 }
1768 EOF
1769   if ! compile_object ; then
1770     feature_not_found "nptl" "Install glibc and linux kernel headers."
1771   fi
1772 fi
1773
1774 ##########################################
1775 # zlib check
1776
1777 if test "$zlib" != "no" ; then
1778     cat > $TMPC << EOF
1779 #include <zlib.h>
1780 int main(void) { zlibVersion(); return 0; }
1781 EOF
1782     if compile_prog "" "-lz" ; then
1783         :
1784     else
1785         error_exit "zlib check failed" \
1786             "Make sure to have the zlib libs and headers installed."
1787     fi
1788 fi
1789 LIBS="$LIBS -lz"
1790
1791 ##########################################
1792 # lzo check
1793
1794 if test "$lzo" != "no" ; then
1795     cat > $TMPC << EOF
1796 #include <lzo/lzo1x.h>
1797 int main(void) { lzo_version(); return 0; }
1798 EOF
1799     if compile_prog "" "-llzo2" ; then
1800         libs_softmmu="$libs_softmmu -llzo2"
1801         lzo="yes"
1802     else
1803         if test "$lzo" = "yes"; then
1804             feature_not_found "liblzo2" "Install liblzo2 devel"
1805         fi
1806         lzo="no"
1807     fi
1808 fi
1809
1810 ##########################################
1811 # snappy check
1812
1813 if test "$snappy" != "no" ; then
1814     cat > $TMPC << EOF
1815 #include <snappy-c.h>
1816 int main(void) { snappy_max_compressed_length(4096); return 0; }
1817 EOF
1818     if compile_prog "" "-lsnappy" ; then
1819         libs_softmmu="$libs_softmmu -lsnappy"
1820         snappy="yes"
1821     else
1822         if test "$snappy" = "yes"; then
1823             feature_not_found "libsnappy" "Install libsnappy devel"
1824         fi
1825         snappy="no"
1826     fi
1827 fi
1828
1829 ##########################################
1830 # bzip2 check
1831
1832 if test "$bzip2" != "no" ; then
1833     cat > $TMPC << EOF
1834 #include <bzlib.h>
1835 int main(void) { BZ2_bzlibVersion(); return 0; }
1836 EOF
1837     if compile_prog "" "-lbz2" ; then
1838         bzip2="yes"
1839     else
1840         if test "$bzip2" = "yes"; then
1841             feature_not_found "libbzip2" "Install libbzip2 devel"
1842         fi
1843         bzip2="no"
1844     fi
1845 fi
1846
1847 ##########################################
1848 # libseccomp check
1849
1850 if test "$seccomp" != "no" ; then
1851     if $pkg_config --atleast-version=2.2.0 libseccomp ||
1852         (test "$cpu" = "i386" || test "$cpu" = "x86_64" &&
1853         $pkg_config --atleast-version=2.1.1 libseccomp); then
1854         libs_softmmu="$libs_softmmu `$pkg_config --libs libseccomp`"
1855         QEMU_CFLAGS="$QEMU_CFLAGS `$pkg_config --cflags libseccomp`"
1856         seccomp="yes"
1857     else
1858         if test "$seccomp" = "yes"; then
1859         if test "$cpu" = "i386" || test "$cpu" = "x86_64"; then
1860             feature_not_found "libseccomp" "Install libseccomp devel >= 2.1.1"
1861         else
1862             feature_not_found "libseccomp" "Install libseccomp devel >= 2.2.0"
1863         fi
1864         fi
1865         seccomp="no"
1866     fi
1867 fi
1868 ##########################################
1869 # xen probe
1870
1871 if test "$xen" != "no" ; then
1872   xen_libs="-lxenstore -lxenctrl -lxenguest"
1873
1874   # First we test whether Xen headers and libraries are available.
1875   # If no, we are done and there is no Xen support.
1876   # If yes, more tests are run to detect the Xen version.
1877
1878   # Xen (any)
1879   cat > $TMPC <<EOF
1880 #include <xenctrl.h>
1881 int main(void) {
1882   return 0;
1883 }
1884 EOF
1885   if ! compile_prog "" "$xen_libs" ; then
1886     # Xen not found
1887     if test "$xen" = "yes" ; then
1888       feature_not_found "xen" "Install xen devel"
1889     fi
1890     xen=no
1891
1892   # Xen unstable
1893   elif
1894       cat > $TMPC <<EOF &&
1895 #include <xenctrl.h>
1896 #include <xenstore.h>
1897 #include <stdint.h>
1898 #include <xen/hvm/hvm_info_table.h>
1899 #if !defined(HVM_MAX_VCPUS)
1900 # error HVM_MAX_VCPUS not defined
1901 #endif
1902 int main(void) {
1903   xc_interface *xc;
1904   xs_daemon_open();
1905   xc = xc_interface_open(0, 0, 0);
1906   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
1907   xc_gnttab_open(NULL, 0);
1908   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
1909   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
1910   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
1911   return 0;
1912 }
1913 EOF
1914       compile_prog "" "$xen_libs"
1915     then
1916     xen_ctrl_version=450
1917     xen=yes
1918
1919   elif
1920       cat > $TMPC <<EOF &&
1921 #include <xenctrl.h>
1922 #include <xenstore.h>
1923 #include <stdint.h>
1924 #include <xen/hvm/hvm_info_table.h>
1925 #if !defined(HVM_MAX_VCPUS)
1926 # error HVM_MAX_VCPUS not defined
1927 #endif
1928 int main(void) {
1929   xc_interface *xc;
1930   xs_daemon_open();
1931   xc = xc_interface_open(0, 0, 0);
1932   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
1933   xc_gnttab_open(NULL, 0);
1934   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
1935   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
1936   return 0;
1937 }
1938 EOF
1939       compile_prog "" "$xen_libs"
1940     then
1941     xen_ctrl_version=420
1942     xen=yes
1943
1944   elif
1945       cat > $TMPC <<EOF &&
1946 #include <xenctrl.h>
1947 #include <xs.h>
1948 #include <stdint.h>
1949 #include <xen/hvm/hvm_info_table.h>
1950 #if !defined(HVM_MAX_VCPUS)
1951 # error HVM_MAX_VCPUS not defined
1952 #endif
1953 int main(void) {
1954   xs_daemon_open();
1955   xc_interface_open(0, 0, 0);
1956   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
1957   xc_gnttab_open(NULL, 0);
1958   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
1959   return 0;
1960 }
1961 EOF
1962       compile_prog "" "$xen_libs"
1963     then
1964     xen_ctrl_version=410
1965     xen=yes
1966
1967   # Xen 4.0.0
1968   elif
1969       cat > $TMPC <<EOF &&
1970 #include <xenctrl.h>
1971 #include <xs.h>
1972 #include <stdint.h>
1973 #include <xen/hvm/hvm_info_table.h>
1974 #if !defined(HVM_MAX_VCPUS)
1975 # error HVM_MAX_VCPUS not defined
1976 #endif
1977 int main(void) {
1978   struct xen_add_to_physmap xatp = {
1979     .domid = 0, .space = XENMAPSPACE_gmfn, .idx = 0, .gpfn = 0,
1980   };
1981   xs_daemon_open();
1982   xc_interface_open();
1983   xc_gnttab_open();
1984   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
1985   xc_memory_op(0, XENMEM_add_to_physmap, &xatp);
1986   return 0;
1987 }
1988 EOF
1989       compile_prog "" "$xen_libs"
1990     then
1991     xen_ctrl_version=400
1992     xen=yes
1993
1994   # Xen 3.4.0
1995   elif
1996       cat > $TMPC <<EOF &&
1997 #include <xenctrl.h>
1998 #include <xs.h>
1999 int main(void) {
2000   struct xen_add_to_physmap xatp = {
2001     .domid = 0, .space = XENMAPSPACE_gmfn, .idx = 0, .gpfn = 0,
2002   };
2003   xs_daemon_open();
2004   xc_interface_open();
2005   xc_gnttab_open();
2006   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2007   xc_memory_op(0, XENMEM_add_to_physmap, &xatp);
2008   return 0;
2009 }
2010 EOF
2011       compile_prog "" "$xen_libs"
2012     then
2013     xen_ctrl_version=340
2014     xen=yes
2015
2016   # Xen 3.3.0
2017   elif
2018       cat > $TMPC <<EOF &&
2019 #include <xenctrl.h>
2020 #include <xs.h>
2021 int main(void) {
2022   xs_daemon_open();
2023   xc_interface_open();
2024   xc_gnttab_open();
2025   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2026   return 0;
2027 }
2028 EOF
2029       compile_prog "" "$xen_libs"
2030     then
2031     xen_ctrl_version=330
2032     xen=yes
2033
2034   # Xen version unsupported
2035   else
2036     if test "$xen" = "yes" ; then
2037       feature_not_found "xen (unsupported version)" "Install supported xen (e.g. 4.0, 3.4, 3.3)"
2038     fi
2039     xen=no
2040   fi
2041
2042   if test "$xen" = yes; then
2043     libs_softmmu="$xen_libs $libs_softmmu"
2044   fi
2045 fi
2046
2047 if test "$xen_pci_passthrough" != "no"; then
2048   if test "$xen" = "yes" && test "$linux" = "yes" &&
2049     test "$xen_ctrl_version" -ge 340; then
2050     xen_pci_passthrough=yes
2051   else
2052     if test "$xen_pci_passthrough" = "yes"; then
2053       if test "$xen_ctrl_version" -lt 340; then
2054         error_exit "User requested feature Xen PCI Passthrough" \
2055             "This feature does not work with Xen 3.3"
2056       fi
2057       error_exit "User requested feature Xen PCI Passthrough" \
2058           " but this feature requires /sys from Linux"
2059     fi
2060     xen_pci_passthrough=no
2061   fi
2062 fi
2063
2064 ##########################################
2065 # libtool probe
2066
2067 if ! has $libtool; then
2068     libtool=
2069 fi
2070
2071 # MacOSX ships with a libtool which isn't the GNU one; weed this
2072 # out by checking whether libtool supports the --version switch
2073 if test -n "$libtool"; then
2074   if ! "$libtool" --version >/dev/null 2>&1; then
2075     libtool=
2076   fi
2077 fi
2078
2079 ##########################################
2080 # Sparse probe
2081 if test "$sparse" != "no" ; then
2082   if has cgcc; then
2083     sparse=yes
2084   else
2085     if test "$sparse" = "yes" ; then
2086       feature_not_found "sparse" "Install sparse binary"
2087     fi
2088     sparse=no
2089   fi
2090 fi
2091
2092 ##########################################
2093 # X11 probe
2094 x11_cflags=
2095 x11_libs=-lX11
2096 if $pkg_config --exists "x11"; then
2097     x11_cflags=`$pkg_config --cflags x11`
2098     x11_libs=`$pkg_config --libs x11`
2099 fi
2100
2101 ##########################################
2102 # GTK probe
2103
2104 if test "$gtkabi" = ""; then
2105     # The GTK ABI was not specified explicitly, so try whether 2.0 is available.
2106     # Use 3.0 as a fallback if that is available.
2107     if $pkg_config --exists "gtk+-2.0 >= 2.18.0"; then
2108         gtkabi=2.0
2109     elif $pkg_config --exists "gtk+-3.0 >= 3.0.0"; then
2110         gtkabi=3.0
2111     else
2112         gtkabi=2.0
2113     fi
2114 fi
2115
2116 if test "$gtk" != "no"; then
2117     gtkpackage="gtk+-$gtkabi"
2118     gtkx11package="gtk+-x11-$gtkabi"
2119     if test "$gtkabi" = "3.0" ; then
2120       gtkversion="3.0.0"
2121     else
2122       gtkversion="2.18.0"
2123     fi
2124     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2125         gtk_cflags=`$pkg_config --cflags $gtkpackage`
2126         gtk_libs=`$pkg_config --libs $gtkpackage`
2127         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2128             gtk_cflags="$gtk_cflags $x11_cflags"
2129             gtk_libs="$gtk_libs $x11_libs"
2130         fi
2131         libs_softmmu="$gtk_libs $libs_softmmu"
2132         gtk="yes"
2133     elif test "$gtk" = "yes"; then
2134         feature_not_found "gtk" "Install gtk2 or gtk3 devel"
2135     else
2136         gtk="no"
2137     fi
2138 fi
2139
2140 ##########################################
2141 # VTE probe
2142
2143 if test "$vte" != "no"; then
2144     if test "$gtkabi" = "3.0"; then
2145       vtepackage="vte-2.90"
2146       vteversion="0.32.0"
2147     else
2148       vtepackage="vte"
2149       vteversion="0.24.0"
2150     fi
2151     if $pkg_config --exists "$vtepackage >= $vteversion"; then
2152         vte_cflags=`$pkg_config --cflags $vtepackage`
2153         vte_libs=`$pkg_config --libs $vtepackage`
2154         libs_softmmu="$vte_libs $libs_softmmu"
2155         vte="yes"
2156     elif test "$vte" = "yes"; then
2157         if test "$gtkabi" = "3.0"; then
2158             feature_not_found "vte" "Install libvte-2.90 devel"
2159         else
2160             feature_not_found "vte" "Install libvte devel"
2161         fi
2162     else
2163         vte="no"
2164     fi
2165 fi
2166
2167 ##########################################
2168 # SDL probe
2169
2170 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2171 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2172
2173 if test $sdlabi = "2.0"; then
2174     sdl_config=$sdl2_config
2175     sdlname=sdl2
2176     sdlconfigname=sdl2_config
2177 else
2178     sdlname=sdl
2179     sdlconfigname=sdl_config
2180 fi
2181
2182 if test "`basename $sdl_config`" != $sdlconfigname && ! has ${sdl_config}; then
2183   sdl_config=$sdlconfigname
2184 fi
2185
2186 if $pkg_config $sdlname --exists; then
2187   sdlconfig="$pkg_config $sdlname"
2188   _sdlversion=`$sdlconfig --modversion 2>/dev/null | sed 's/[^0-9]//g'`
2189 elif has ${sdl_config}; then
2190   sdlconfig="$sdl_config"
2191   _sdlversion=`$sdlconfig --version | sed 's/[^0-9]//g'`
2192 else
2193   if test "$sdl" = "yes" ; then
2194     feature_not_found "sdl" "Install SDL devel"
2195   fi
2196   sdl=no
2197 fi
2198 if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2199   echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2200 fi
2201
2202 sdl_too_old=no
2203 if test "$sdl" != "no" ; then
2204   cat > $TMPC << EOF
2205 #include <SDL.h>
2206 #undef main /* We don't want SDL to override our main() */
2207 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2208 EOF
2209   sdl_cflags=`$sdlconfig --cflags 2> /dev/null`
2210   if test "$static" = "yes" ; then
2211     sdl_libs=`$sdlconfig --static-libs 2>/dev/null`
2212   else
2213     sdl_libs=`$sdlconfig --libs 2> /dev/null`
2214   fi
2215   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2216     if test "$_sdlversion" -lt 121 ; then
2217       sdl_too_old=yes
2218     else
2219       if test "$cocoa" = "no" ; then
2220         sdl=yes
2221       fi
2222     fi
2223
2224     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2225     if test "$sdl" = "yes" -a "$static" = "yes" ; then
2226       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2227          sdl_libs="$sdl_libs `aalib-config --static-libs 2>/dev/null`"
2228          sdl_cflags="$sdl_cflags `aalib-config --cflags 2>/dev/null`"
2229       fi
2230       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2231         :
2232       else
2233         sdl=no
2234       fi
2235     fi # static link
2236   else # sdl not found
2237     if test "$sdl" = "yes" ; then
2238       feature_not_found "sdl" "Install SDL devel"
2239     fi
2240     sdl=no
2241   fi # sdl compile test
2242 fi
2243
2244 if test "$sdl" = "yes" ; then
2245   cat > $TMPC <<EOF
2246 #include <SDL.h>
2247 #if defined(SDL_VIDEO_DRIVER_X11)
2248 #include <X11/XKBlib.h>
2249 #else
2250 #error No x11 support
2251 #endif
2252 int main(void) { return 0; }
2253 EOF
2254   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
2255     sdl_cflags="$sdl_cflags $x11_cflags"
2256     sdl_libs="$sdl_libs $x11_libs"
2257   fi
2258   libs_softmmu="$sdl_libs $libs_softmmu"
2259 fi
2260
2261 ##########################################
2262 # RDMA needs OpenFabrics libraries
2263 if test "$rdma" != "no" ; then
2264   cat > $TMPC <<EOF
2265 #include <rdma/rdma_cma.h>
2266 int main(void) { return 0; }
2267 EOF
2268   rdma_libs="-lrdmacm -libverbs"
2269   if compile_prog "" "$rdma_libs" ; then
2270     rdma="yes"
2271     libs_softmmu="$libs_softmmu $rdma_libs"
2272   else
2273     if test "$rdma" = "yes" ; then
2274         error_exit \
2275             " OpenFabrics librdmacm/libibverbs not present." \
2276             " Your options:" \
2277             "  (1) Fast: Install infiniband packages from your distro." \
2278             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
2279             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
2280     fi
2281     rdma="no"
2282   fi
2283 fi
2284
2285 ##########################################
2286 # VNC TLS/WS detection
2287 if test "$vnc" = "yes" -a \( "$vnc_tls" != "no" -o "$vnc_ws" != "no" \) ; then
2288   cat > $TMPC <<EOF
2289 #include <gnutls/gnutls.h>
2290 int main(void) { gnutls_session_t s; gnutls_init(&s, GNUTLS_SERVER); return 0; }
2291 EOF
2292   vnc_tls_cflags=`$pkg_config --cflags gnutls 2> /dev/null`
2293   vnc_tls_libs=`$pkg_config --libs gnutls 2> /dev/null`
2294   if compile_prog "$vnc_tls_cflags" "$vnc_tls_libs" ; then
2295     if test "$vnc_tls" != "no" ; then
2296       vnc_tls=yes
2297     fi
2298     if test "$vnc_ws" != "no" ; then
2299       vnc_ws=yes
2300     fi
2301     libs_softmmu="$vnc_tls_libs $libs_softmmu"
2302     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_tls_cflags"
2303   else
2304     if test "$vnc_tls" = "yes" ; then
2305       feature_not_found "vnc-tls" "Install gnutls devel"
2306     fi
2307     if test "$vnc_ws" = "yes" ; then
2308       feature_not_found "vnc-ws" "Install gnutls devel"
2309     fi
2310     vnc_tls=no
2311     vnc_ws=no
2312   fi
2313 fi
2314
2315 ##########################################
2316 # Quorum probe (check for gnutls)
2317 if test "$quorum" != "no" ; then
2318 cat > $TMPC <<EOF
2319 #include <gnutls/gnutls.h>
2320 #include <gnutls/crypto.h>
2321 int main(void) {char data[4096], digest[32];
2322 gnutls_hash_fast(GNUTLS_DIG_SHA256, data, 4096, digest);
2323 return 0;
2324 }
2325 EOF
2326 quorum_tls_cflags=`$pkg_config --cflags gnutls 2> /dev/null`
2327 quorum_tls_libs=`$pkg_config --libs gnutls 2> /dev/null`
2328 if compile_prog "$quorum_tls_cflags" "$quorum_tls_libs" ; then
2329   qcow_tls=yes
2330   libs_softmmu="$quorum_tls_libs $libs_softmmu"
2331   libs_tools="$quorum_tls_libs $libs_softmmu"
2332   QEMU_CFLAGS="$QEMU_CFLAGS $quorum_tls_cflags"
2333   quorum="yes"
2334 else
2335   if test "$quorum" = "yes"; then
2336     feature_not_found "gnutls" "gnutls > 2.10.0 required to compile Quorum"
2337   fi
2338   quorum="no"
2339 fi
2340 fi
2341
2342 ##########################################
2343 # VNC SASL detection
2344 if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then
2345   cat > $TMPC <<EOF
2346 #include <sasl/sasl.h>
2347 #include <stdio.h>
2348 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
2349 EOF
2350   # Assuming Cyrus-SASL installed in /usr prefix
2351   vnc_sasl_cflags=""
2352   vnc_sasl_libs="-lsasl2"
2353   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
2354     vnc_sasl=yes
2355     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
2356     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
2357   else
2358     if test "$vnc_sasl" = "yes" ; then
2359       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
2360     fi
2361     vnc_sasl=no
2362   fi
2363 fi
2364
2365 ##########################################
2366 # VNC JPEG detection
2367 if test "$vnc" = "yes" -a "$vnc_jpeg" != "no" ; then
2368 cat > $TMPC <<EOF
2369 #include <stdio.h>
2370 #include <jpeglib.h>
2371 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
2372 EOF
2373     vnc_jpeg_cflags=""
2374     vnc_jpeg_libs="-ljpeg"
2375   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
2376     vnc_jpeg=yes
2377     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
2378     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
2379   else
2380     if test "$vnc_jpeg" = "yes" ; then
2381       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
2382     fi
2383     vnc_jpeg=no
2384   fi
2385 fi
2386
2387 ##########################################
2388 # VNC PNG detection
2389 if test "$vnc" = "yes" -a "$vnc_png" != "no" ; then
2390 cat > $TMPC <<EOF
2391 //#include <stdio.h>
2392 #include <png.h>
2393 #include <stddef.h>
2394 int main(void) {
2395     png_structp png_ptr;
2396     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
2397     return png_ptr != 0;
2398 }
2399 EOF
2400   if $pkg_config libpng --exists; then
2401     vnc_png_cflags=`$pkg_config libpng --cflags`
2402     vnc_png_libs=`$pkg_config libpng --libs`
2403   else
2404     vnc_png_cflags=""
2405     vnc_png_libs="-lpng"
2406   fi
2407   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
2408     vnc_png=yes
2409     libs_softmmu="$vnc_png_libs $libs_softmmu"
2410     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
2411   else
2412     if test "$vnc_png" = "yes" ; then
2413       feature_not_found "vnc-png" "Install libpng devel"
2414     fi
2415     vnc_png=no
2416   fi
2417 fi
2418
2419 ##########################################
2420 # fnmatch() probe, used for ACL routines
2421 fnmatch="no"
2422 cat > $TMPC << EOF
2423 #include <fnmatch.h>
2424 int main(void)
2425 {
2426     fnmatch("foo", "foo", 0);
2427     return 0;
2428 }
2429 EOF
2430 if compile_prog "" "" ; then
2431    fnmatch="yes"
2432 fi
2433
2434 ##########################################
2435 # uuid_generate() probe, used for vdi block driver
2436 # Note that on some systems (notably MacOSX) no extra library
2437 # need be linked to get the uuid functions.
2438 if test "$uuid" != "no" ; then
2439   uuid_libs="-luuid"
2440   cat > $TMPC << EOF
2441 #include <uuid/uuid.h>
2442 int main(void)
2443 {
2444     uuid_t my_uuid;
2445     uuid_generate(my_uuid);
2446     return 0;
2447 }
2448 EOF
2449   if compile_prog "" "" ; then
2450     uuid="yes"
2451   elif compile_prog "" "$uuid_libs" ; then
2452     uuid="yes"
2453     libs_softmmu="$uuid_libs $libs_softmmu"
2454     libs_tools="$uuid_libs $libs_tools"
2455   else
2456     if test "$uuid" = "yes" ; then
2457       feature_not_found "uuid" "Install libuuid devel"
2458     fi
2459     uuid=no
2460   fi
2461 fi
2462
2463 if test "$vhdx" = "yes" ; then
2464     if test "$uuid" = "no" ; then
2465         error_exit "uuid required for VHDX support"
2466     fi
2467 elif test "$vhdx" != "no" ; then
2468     if test "$uuid" = "yes" ; then
2469         vhdx=yes
2470     else
2471         vhdx=no
2472     fi
2473 fi
2474
2475 ##########################################
2476 # xfsctl() probe, used for raw-posix
2477 if test "$xfs" != "no" ; then
2478   cat > $TMPC << EOF
2479 #include <stddef.h>  /* NULL */
2480 #include <xfs/xfs.h>
2481 int main(void)
2482 {
2483     xfsctl(NULL, 0, 0, NULL);
2484     return 0;
2485 }
2486 EOF
2487   if compile_prog "" "" ; then
2488     xfs="yes"
2489   else
2490     if test "$xfs" = "yes" ; then
2491       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
2492     fi
2493     xfs=no
2494   fi
2495 fi
2496
2497 ##########################################
2498 # vde libraries probe
2499 if test "$vde" != "no" ; then
2500   vde_libs="-lvdeplug"
2501   cat > $TMPC << EOF
2502 #include <libvdeplug.h>
2503 int main(void)
2504 {
2505     struct vde_open_args a = {0, 0, 0};
2506     char s[] = "";
2507     vde_open(s, s, &a);
2508     return 0;
2509 }
2510 EOF
2511   if compile_prog "" "$vde_libs" ; then
2512     vde=yes
2513     libs_softmmu="$vde_libs $libs_softmmu"
2514     libs_tools="$vde_libs $libs_tools"
2515   else
2516     if test "$vde" = "yes" ; then
2517       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
2518     fi
2519     vde=no
2520   fi
2521 fi
2522
2523 ##########################################
2524 # netmap support probe
2525 # Apart from looking for netmap headers, we make sure that the host API version
2526 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
2527 # a minor/major version number. Minor new features will be marked with values up
2528 # to 15, and if something happens that requires a change to the backend we will
2529 # move above 15, submit the backend fixes and modify this two bounds.
2530 if test "$netmap" != "no" ; then
2531   cat > $TMPC << EOF
2532 #include <inttypes.h>
2533 #include <net/if.h>
2534 #include <net/netmap.h>
2535 #include <net/netmap_user.h>
2536 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2537 #error
2538 #endif
2539 int main(void) { return 0; }
2540 EOF
2541   if compile_prog "" "" ; then
2542     netmap=yes
2543   else
2544     if test "$netmap" = "yes" ; then
2545       feature_not_found "netmap"
2546     fi
2547     netmap=no
2548   fi
2549 fi
2550
2551 ##########################################
2552 # libcap-ng library probe
2553 if test "$cap_ng" != "no" ; then
2554   cap_libs="-lcap-ng"
2555   cat > $TMPC << EOF
2556 #include <cap-ng.h>
2557 int main(void)
2558 {
2559     capng_capability_to_name(CAPNG_EFFECTIVE);
2560     return 0;
2561 }
2562 EOF
2563   if compile_prog "" "$cap_libs" ; then
2564     cap_ng=yes
2565     libs_tools="$cap_libs $libs_tools"
2566   else
2567     if test "$cap_ng" = "yes" ; then
2568       feature_not_found "cap_ng" "Install libcap-ng devel"
2569     fi
2570     cap_ng=no
2571   fi
2572 fi
2573
2574 ##########################################
2575 # Sound support libraries probe
2576
2577 audio_drv_probe()
2578 {
2579     drv=$1
2580     hdr=$2
2581     lib=$3
2582     exp=$4
2583     cfl=$5
2584         cat > $TMPC << EOF
2585 #include <$hdr>
2586 int main(void) { $exp }
2587 EOF
2588     if compile_prog "$cfl" "$lib" ; then
2589         :
2590     else
2591         error_exit "$drv check failed" \
2592             "Make sure to have the $drv libs and headers installed."
2593     fi
2594 }
2595
2596 audio_drv_list=`echo "$audio_drv_list" | sed -e 's/,/ /g'`
2597 for drv in $audio_drv_list; do
2598     case $drv in
2599     alsa)
2600     audio_drv_probe $drv alsa/asoundlib.h -lasound \
2601         "return snd_pcm_close((snd_pcm_t *)0);"
2602     libs_softmmu="-lasound $libs_softmmu"
2603     ;;
2604
2605     fmod)
2606     if test -z $fmod_lib || test -z $fmod_inc; then
2607         error_exit "You must specify path to FMOD library and headers" \
2608             "Example: --fmod-inc=/path/include/fmod --fmod-lib=/path/lib/libfmod-3.74.so"
2609     fi
2610     audio_drv_probe $drv fmod.h $fmod_lib "return FSOUND_GetVersion();" "-I $fmod_inc"
2611     libs_softmmu="$fmod_lib $libs_softmmu"
2612     ;;
2613
2614     esd)
2615     audio_drv_probe $drv esd.h -lesd 'return esd_play_stream(0, 0, "", 0);'
2616     libs_softmmu="-lesd $libs_softmmu"
2617     audio_pt_int="yes"
2618     ;;
2619
2620     pa)
2621     audio_drv_probe $drv pulse/mainloop.h "-lpulse" \
2622         "pa_mainloop *m = 0; pa_mainloop_free (m); return 0;"
2623     libs_softmmu="-lpulse $libs_softmmu"
2624     audio_pt_int="yes"
2625     ;;
2626
2627     coreaudio)
2628       libs_softmmu="-framework CoreAudio $libs_softmmu"
2629     ;;
2630
2631     dsound)
2632       libs_softmmu="-lole32 -ldxguid $libs_softmmu"
2633       audio_win_int="yes"
2634     ;;
2635
2636     oss)
2637       libs_softmmu="$oss_lib $libs_softmmu"
2638     ;;
2639
2640     sdl|wav)
2641     # XXX: Probes for CoreAudio, DirectSound, SDL(?)
2642     ;;
2643
2644     winwave)
2645       libs_softmmu="-lwinmm $libs_softmmu"
2646       audio_win_int="yes"
2647     ;;
2648
2649     *)
2650     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
2651         error_exit "Unknown driver '$drv' selected" \
2652             "Possible drivers are: $audio_possible_drivers"
2653     }
2654     ;;
2655     esac
2656 done
2657
2658 ##########################################
2659 # BrlAPI probe
2660
2661 if test "$brlapi" != "no" ; then
2662   brlapi_libs="-lbrlapi"
2663   cat > $TMPC << EOF
2664 #include <brlapi.h>
2665 #include <stddef.h>
2666 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
2667 EOF
2668   if compile_prog "" "$brlapi_libs" ; then
2669     brlapi=yes
2670     libs_softmmu="$brlapi_libs $libs_softmmu"
2671   else
2672     if test "$brlapi" = "yes" ; then
2673       feature_not_found "brlapi" "Install brlapi devel"
2674     fi
2675     brlapi=no
2676   fi
2677 fi
2678
2679 ##########################################
2680 # curses probe
2681 if test "$curses" != "no" ; then
2682   if test "$mingw32" = "yes" ; then
2683     curses_list="-lpdcurses"
2684   else
2685     curses_list="$($pkg_config --libs ncurses 2>/dev/null):-lncurses:-lcurses"
2686   fi
2687   curses_found=no
2688   cat > $TMPC << EOF
2689 #include <curses.h>
2690 int main(void) {
2691   const char *s = curses_version();
2692   resize_term(0, 0);
2693   return s != 0;
2694 }
2695 EOF
2696   IFS=:
2697   for curses_lib in $curses_list; do
2698     unset IFS
2699     if compile_prog "" "$curses_lib" ; then
2700       curses_found=yes
2701       libs_softmmu="$curses_lib $libs_softmmu"
2702       break
2703     fi
2704   done
2705   unset IFS
2706   if test "$curses_found" = "yes" ; then
2707     curses=yes
2708   else
2709     if test "$curses" = "yes" ; then
2710       feature_not_found "curses" "Install ncurses devel"
2711     fi
2712     curses=no
2713   fi
2714 fi
2715
2716 ##########################################
2717 # curl probe
2718 if test "$curl" != "no" ; then
2719   if $pkg_config libcurl --exists; then
2720     curlconfig="$pkg_config libcurl"
2721   else
2722     curlconfig=curl-config
2723   fi
2724   cat > $TMPC << EOF
2725 #include <curl/curl.h>
2726 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
2727 EOF
2728   curl_cflags=`$curlconfig --cflags 2>/dev/null`
2729   curl_libs=`$curlconfig --libs 2>/dev/null`
2730   if compile_prog "$curl_cflags" "$curl_libs" ; then
2731     curl=yes
2732   else
2733     if test "$curl" = "yes" ; then
2734       feature_not_found "curl" "Install libcurl devel"
2735     fi
2736     curl=no
2737   fi
2738 fi # test "$curl"
2739
2740 ##########################################
2741 # bluez support probe
2742 if test "$bluez" != "no" ; then
2743   cat > $TMPC << EOF
2744 #include <bluetooth/bluetooth.h>
2745 int main(void) { return bt_error(0); }
2746 EOF
2747   bluez_cflags=`$pkg_config --cflags bluez 2> /dev/null`
2748   bluez_libs=`$pkg_config --libs bluez 2> /dev/null`
2749   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
2750     bluez=yes
2751     libs_softmmu="$bluez_libs $libs_softmmu"
2752   else
2753     if test "$bluez" = "yes" ; then
2754       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
2755     fi
2756     bluez="no"
2757   fi
2758 fi
2759
2760 ##########################################
2761 # glib support probe
2762
2763 if test "$mingw32" = yes; then
2764     # g_poll is required in order to integrate with the glib main loop.
2765     glib_req_ver=2.20
2766 else
2767     glib_req_ver=2.12
2768 fi
2769 glib_modules=gthread-2.0
2770 if test "$modules" = yes; then
2771     glib_modules="$glib_modules gmodule-2.0"
2772 fi
2773
2774 for i in $glib_modules; do
2775     if $pkg_config --atleast-version=$glib_req_ver $i; then
2776         glib_cflags=`$pkg_config --cflags $i`
2777         glib_libs=`$pkg_config --libs $i`
2778         CFLAGS="$glib_cflags $CFLAGS"
2779         LIBS="$glib_libs $LIBS"
2780         libs_qga="$glib_libs $libs_qga"
2781     else
2782         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
2783     fi
2784 done
2785
2786 # g_test_trap_subprocess added in 2.38. Used by some tests.
2787 glib_subprocess=yes
2788 if ! $pkg_config --atleast-version=2.38 glib-2.0; then
2789     glib_subprocess=no
2790 fi
2791
2792 ##########################################
2793 # SHA command probe for modules
2794 if test "$modules" = yes; then
2795     shacmd_probe="sha1sum sha1 shasum"
2796     for c in $shacmd_probe; do
2797         if has $c; then
2798             shacmd="$c"
2799             break
2800         fi
2801     done
2802     if test "$shacmd" = ""; then
2803         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
2804     fi
2805 fi
2806
2807 ##########################################
2808 # pixman support probe
2809
2810 if test "$pixman" = ""; then
2811   if test "$want_tools" = "no" -a "$softmmu" = "no"; then
2812     pixman="none"
2813   elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
2814     pixman="system"
2815   else
2816     pixman="internal"
2817   fi
2818 fi
2819 if test "$pixman" = "none"; then
2820   if test "$want_tools" != "no" -o "$softmmu" != "no"; then
2821     error_exit "pixman disabled but system emulation or tools build" \
2822         "enabled.  You can turn off pixman only if you also" \
2823         "disable all system emulation targets and the tools" \
2824         "build with '--disable-tools --disable-system'."
2825   fi
2826   pixman_cflags=
2827   pixman_libs=
2828 elif test "$pixman" = "system"; then
2829   # pixman version has been checked above
2830   pixman_cflags=`$pkg_config --cflags pixman-1`
2831   pixman_libs=`$pkg_config --libs pixman-1`
2832 else
2833   if test ! -d ${source_path}/pixman/pixman; then
2834     error_exit "pixman >= 0.21.8 not present. Your options:" \
2835         "  (1) Preferred: Install the pixman devel package (any recent" \
2836         "      distro should have packages as Xorg needs pixman too)." \
2837         "  (2) Fetch the pixman submodule, using:" \
2838         "      git submodule update --init pixman"
2839   fi
2840   mkdir -p pixman/pixman
2841   pixman_cflags="-I\$(SRC_PATH)/pixman/pixman -I\$(BUILD_DIR)/pixman/pixman"
2842   pixman_libs="-L\$(BUILD_DIR)/pixman/pixman/.libs -lpixman-1"
2843 fi
2844
2845 ##########################################
2846 # libcap probe
2847
2848 if test "$cap" != "no" ; then
2849   cat > $TMPC <<EOF
2850 #include <stdio.h>
2851 #include <sys/capability.h>
2852 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
2853 EOF
2854   if compile_prog "" "-lcap" ; then
2855     cap=yes
2856   else
2857     cap=no
2858   fi
2859 fi
2860
2861 ##########################################
2862 # pthread probe
2863 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
2864
2865 pthread=no
2866 cat > $TMPC << EOF
2867 #include <pthread.h>
2868 static void *f(void *p) { return NULL; }
2869 int main(void) {
2870   pthread_t thread;
2871   pthread_create(&thread, 0, f, 0);
2872   return 0;
2873 }
2874 EOF
2875 if compile_prog "" "" ; then
2876   pthread=yes
2877 else
2878   for pthread_lib in $PTHREADLIBS_LIST; do
2879     if compile_prog "" "$pthread_lib" ; then
2880       pthread=yes
2881       found=no
2882       for lib_entry in $LIBS; do
2883         if test "$lib_entry" = "$pthread_lib"; then
2884           found=yes
2885           break
2886         fi
2887       done
2888       if test "$found" = "no"; then
2889         LIBS="$pthread_lib $LIBS"
2890       fi
2891       break
2892     fi
2893   done
2894 fi
2895
2896 if test "$mingw32" != yes -a "$pthread" = no; then
2897   error_exit "pthread check failed" \
2898       "Make sure to have the pthread libs and headers installed."
2899 fi
2900
2901 # check for pthread_setname_np
2902 pthread_setname_np=no
2903 cat > $TMPC << EOF
2904 #include <pthread.h>
2905
2906 static void *f(void *p) { return NULL; }
2907 int main(void)
2908 {
2909     pthread_t thread;
2910     pthread_create(&thread, 0, f, 0);
2911     pthread_setname_np(thread, "QEMU");
2912     return 0;
2913 }
2914 EOF
2915 if compile_prog "" "$pthread_lib" ; then
2916   pthread_setname_np=yes
2917 fi
2918
2919 ##########################################
2920 # rbd probe
2921 if test "$rbd" != "no" ; then
2922   cat > $TMPC <<EOF
2923 #include <stdio.h>
2924 #include <rbd/librbd.h>
2925 int main(void) {
2926     rados_t cluster;
2927     rados_create(&cluster, NULL);
2928     return 0;
2929 }
2930 EOF
2931   rbd_libs="-lrbd -lrados"
2932   if compile_prog "" "$rbd_libs" ; then
2933     rbd=yes
2934   else
2935     if test "$rbd" = "yes" ; then
2936       feature_not_found "rados block device" "Install librbd/ceph devel"
2937     fi
2938     rbd=no
2939   fi
2940 fi
2941
2942 ##########################################
2943 # libssh2 probe
2944 min_libssh2_version=1.2.8
2945 if test "$libssh2" != "no" ; then
2946   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
2947     libssh2_cflags=`$pkg_config libssh2 --cflags`
2948     libssh2_libs=`$pkg_config libssh2 --libs`
2949     libssh2=yes
2950   else
2951     if test "$libssh2" = "yes" ; then
2952       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
2953     fi
2954     libssh2=no
2955   fi
2956 fi
2957
2958 ##########################################
2959 # libssh2_sftp_fsync probe
2960
2961 if test "$libssh2" = "yes"; then
2962   cat > $TMPC <<EOF
2963 #include <stdio.h>
2964 #include <libssh2.h>
2965 #include <libssh2_sftp.h>
2966 int main(void) {
2967     LIBSSH2_SESSION *session;
2968     LIBSSH2_SFTP *sftp;
2969     LIBSSH2_SFTP_HANDLE *sftp_handle;
2970     session = libssh2_session_init ();
2971     sftp = libssh2_sftp_init (session);
2972     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
2973     libssh2_sftp_fsync (sftp_handle);
2974     return 0;
2975 }
2976 EOF
2977   # libssh2_cflags/libssh2_libs defined in previous test.
2978   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
2979     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
2980   fi
2981 fi
2982
2983 ##########################################
2984 # linux-aio probe
2985
2986 if test "$linux_aio" != "no" ; then
2987   cat > $TMPC <<EOF
2988 #include <libaio.h>
2989 #include <sys/eventfd.h>
2990 #include <stddef.h>
2991 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
2992 EOF
2993   if compile_prog "" "-laio" ; then
2994     linux_aio=yes
2995   else
2996     if test "$linux_aio" = "yes" ; then
2997       feature_not_found "linux AIO" "Install libaio devel"
2998     fi
2999     linux_aio=no
3000   fi
3001 fi
3002
3003 ##########################################
3004 # TPM passthrough is only on x86 Linux
3005
3006 if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
3007   tpm_passthrough=$tpm
3008 else
3009   tpm_passthrough=no
3010 fi
3011
3012 ##########################################
3013 # attr probe
3014
3015 if test "$attr" != "no" ; then
3016   cat > $TMPC <<EOF
3017 #include <stdio.h>
3018 #include <sys/types.h>
3019 #ifdef CONFIG_LIBATTR
3020 #include <attr/xattr.h>
3021 #else
3022 #include <sys/xattr.h>
3023 #endif
3024 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3025 EOF
3026   if compile_prog "" "" ; then
3027     attr=yes
3028   # Older distros have <attr/xattr.h>, and need -lattr:
3029   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3030     attr=yes
3031     LIBS="-lattr $LIBS"
3032     libattr=yes
3033   else
3034     if test "$attr" = "yes" ; then
3035       feature_not_found "ATTR" "Install libc6 or libattr devel"
3036     fi
3037     attr=no
3038   fi
3039 fi
3040
3041 ##########################################
3042 # iovec probe
3043 cat > $TMPC <<EOF
3044 #include <sys/types.h>
3045 #include <sys/uio.h>
3046 #include <unistd.h>
3047 int main(void) { return sizeof(struct iovec); }
3048 EOF
3049 iovec=no
3050 if compile_prog "" "" ; then
3051   iovec=yes
3052 fi
3053
3054 ##########################################
3055 # preadv probe
3056 cat > $TMPC <<EOF
3057 #include <sys/types.h>
3058 #include <sys/uio.h>
3059 #include <unistd.h>
3060 int main(void) { return preadv(0, 0, 0, 0); }
3061 EOF
3062 preadv=no
3063 if compile_prog "" "" ; then
3064   preadv=yes
3065 fi
3066
3067 ##########################################
3068 # fdt probe
3069 # fdt support is mandatory for at least some target architectures,
3070 # so insist on it if we're building those system emulators.
3071 fdt_required=no
3072 for target in $target_list; do
3073   case $target in
3074     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu)
3075       fdt_required=yes
3076     ;;
3077   esac
3078 done
3079
3080 if test "$fdt_required" = "yes"; then
3081   if test "$fdt" = "no"; then
3082     error_exit "fdt disabled but some requested targets require it." \
3083       "You can turn off fdt only if you also disable all the system emulation" \
3084       "targets which need it (by specifying a cut down --target-list)."
3085   fi
3086   fdt=yes
3087 fi
3088
3089 if test "$fdt" != "no" ; then
3090   fdt_libs="-lfdt"
3091   # explicitly check for libfdt_env.h as it is missing in some stable installs
3092   cat > $TMPC << EOF
3093 #include <libfdt_env.h>
3094 int main(void) { return 0; }
3095 EOF
3096   if compile_prog "" "$fdt_libs" ; then
3097     # system DTC is good - use it
3098     fdt=yes
3099   elif test -d ${source_path}/dtc/libfdt ; then
3100     # have submodule DTC - use it
3101     fdt=yes
3102     dtc_internal="yes"
3103     mkdir -p dtc
3104     if [ "$pwd_is_source_path" != "y" ] ; then
3105        symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3106        symlink "$source_path/dtc/scripts" "dtc/scripts"
3107     fi
3108     fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3109     fdt_libs="-L\$(BUILD_DIR)/dtc/libfdt $fdt_libs"
3110   elif test "$fdt" = "yes" ; then
3111     # have neither and want - prompt for system/submodule install
3112     error_exit "DTC (libfdt) not present. Your options:" \
3113         "  (1) Preferred: Install the DTC (libfdt) devel package" \
3114         "  (2) Fetch the DTC submodule, using:" \
3115         "      git submodule update --init dtc"
3116   else
3117     # don't have and don't want
3118     fdt_libs=
3119     fdt=no
3120   fi
3121 fi
3122
3123 libs_softmmu="$libs_softmmu $fdt_libs"
3124
3125 ##########################################
3126 # opengl probe (for sdl2, milkymist-tmu2)
3127
3128 # GLX probe, used by milkymist-tmu2
3129 # this is temporary, code will be switched to egl mid-term.
3130 cat > $TMPC << EOF
3131 #include <X11/Xlib.h>
3132 #include <GL/gl.h>
3133 #include <GL/glx.h>
3134 int main(void) { glBegin(0); glXQueryVersion(0,0,0); return 0; }
3135 EOF
3136 if compile_prog "" "-lGL -lX11" ; then
3137   have_glx=yes
3138 else
3139   have_glx=no
3140 fi
3141
3142 if test "$opengl" != "no" ; then
3143   opengl_pkgs="gl"
3144   if $pkg_config $opengl_pkgs x11 && test "$have_glx" = "yes"; then
3145     opengl_cflags="$($pkg_config --cflags $opengl_pkgs) $x11_cflags"
3146     opengl_libs="$($pkg_config --libs $opengl_pkgs) $x11_libs"
3147     opengl=yes
3148   else
3149     if test "$opengl" = "yes" ; then
3150       feature_not_found "opengl" "Install GL devel (e.g. MESA)"
3151     fi
3152     opengl_cflags=""
3153     opengl_libs=""
3154     opengl=no
3155   fi
3156 fi
3157
3158
3159 ##########################################
3160 # archipelago probe
3161 if test "$archipelago" != "no" ; then
3162     cat > $TMPC <<EOF
3163 #include <stdio.h>
3164 #include <xseg/xseg.h>
3165 #include <xseg/protocol.h>
3166 int main(void) {
3167     xseg_initialize();
3168     return 0;
3169 }
3170 EOF
3171     archipelago_libs=-lxseg
3172     if compile_prog "" "$archipelago_libs"; then
3173         archipelago="yes"
3174         libs_tools="$archipelago_libs $libs_tools"
3175         libs_softmmu="$archipelago_libs $libs_softmmu"
3176     else
3177       if test "$archipelago" = "yes" ; then
3178         feature_not_found "Archipelago backend support" "Install libxseg devel"
3179       fi
3180       archipelago="no"
3181     fi
3182 fi
3183
3184
3185 ##########################################
3186 # glusterfs probe
3187 if test "$glusterfs" != "no" ; then
3188   if $pkg_config --atleast-version=3 glusterfs-api; then
3189     glusterfs="yes"
3190     glusterfs_cflags=`$pkg_config --cflags glusterfs-api`
3191     glusterfs_libs=`$pkg_config --libs glusterfs-api`
3192     if $pkg_config --atleast-version=5 glusterfs-api; then
3193       glusterfs_discard="yes"
3194     fi
3195     if $pkg_config --atleast-version=6 glusterfs-api; then
3196       glusterfs_zerofill="yes"
3197     fi
3198   else
3199     if test "$glusterfs" = "yes" ; then
3200       feature_not_found "GlusterFS backend support" \
3201           "Install glusterfs-api devel >= 3"
3202     fi
3203     glusterfs="no"
3204   fi
3205 fi
3206
3207 # Check for inotify functions when we are building linux-user
3208 # emulator.  This is done because older glibc versions don't
3209 # have syscall stubs for these implemented.  In that case we
3210 # don't provide them even if kernel supports them.
3211 #
3212 inotify=no
3213 cat > $TMPC << EOF
3214 #include <sys/inotify.h>
3215
3216 int
3217 main(void)
3218 {
3219         /* try to start inotify */
3220         return inotify_init();
3221 }
3222 EOF
3223 if compile_prog "" "" ; then
3224   inotify=yes
3225 fi
3226
3227 inotify1=no
3228 cat > $TMPC << EOF
3229 #include <sys/inotify.h>
3230
3231 int
3232 main(void)
3233 {
3234     /* try to start inotify */
3235     return inotify_init1(0);
3236 }
3237 EOF
3238 if compile_prog "" "" ; then
3239   inotify1=yes
3240 fi
3241
3242 # check if utimensat and futimens are supported
3243 utimens=no
3244 cat > $TMPC << EOF
3245 #define _ATFILE_SOURCE
3246 #include <stddef.h>
3247 #include <fcntl.h>
3248 #include <sys/stat.h>
3249
3250 int main(void)
3251 {
3252     utimensat(AT_FDCWD, "foo", NULL, 0);
3253     futimens(0, NULL);
3254     return 0;
3255 }
3256 EOF
3257 if compile_prog "" "" ; then
3258   utimens=yes
3259 fi
3260
3261 # check if pipe2 is there
3262 pipe2=no
3263 cat > $TMPC << EOF
3264 #include <unistd.h>
3265 #include <fcntl.h>
3266
3267 int main(void)
3268 {
3269     int pipefd[2];
3270     return pipe2(pipefd, O_CLOEXEC);
3271 }
3272 EOF
3273 if compile_prog "" "" ; then
3274   pipe2=yes
3275 fi
3276
3277 # check if accept4 is there
3278 accept4=no
3279 cat > $TMPC << EOF
3280 #include <sys/socket.h>
3281 #include <stddef.h>
3282
3283 int main(void)
3284 {
3285     accept4(0, NULL, NULL, SOCK_CLOEXEC);
3286     return 0;
3287 }
3288 EOF
3289 if compile_prog "" "" ; then
3290   accept4=yes
3291 fi
3292
3293 # check if tee/splice is there. vmsplice was added same time.
3294 splice=no
3295 cat > $TMPC << EOF
3296 #include <unistd.h>
3297 #include <fcntl.h>
3298 #include <limits.h>
3299
3300 int main(void)
3301 {
3302     int len, fd = 0;
3303     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3304     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3305     return 0;
3306 }
3307 EOF
3308 if compile_prog "" "" ; then
3309   splice=yes
3310 fi
3311
3312 ##########################################
3313 # libnuma probe
3314
3315 if test "$numa" != "no" ; then
3316   cat > $TMPC << EOF
3317 #include <numa.h>
3318 int main(void) { return numa_available(); }
3319 EOF
3320
3321   if compile_prog "" "-lnuma" ; then
3322     numa=yes
3323     libs_softmmu="-lnuma $libs_softmmu"
3324   else
3325     if test "$numa" = "yes" ; then
3326       feature_not_found "numa" "install numactl devel"
3327     fi
3328     numa=no
3329   fi
3330 fi
3331
3332 ##########################################
3333 # signalfd probe
3334 signalfd="no"
3335 cat > $TMPC << EOF
3336 #include <unistd.h>
3337 #include <sys/syscall.h>
3338 #include <signal.h>
3339 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
3340 EOF
3341
3342 if compile_prog "" "" ; then
3343   signalfd=yes
3344 fi
3345
3346 # check if eventfd is supported
3347 eventfd=no
3348 cat > $TMPC << EOF
3349 #include <sys/eventfd.h>
3350
3351 int main(void)
3352 {
3353     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
3354 }
3355 EOF
3356 if compile_prog "" "" ; then
3357   eventfd=yes
3358 fi
3359
3360 # check for fallocate
3361 fallocate=no
3362 cat > $TMPC << EOF
3363 #include <fcntl.h>
3364
3365 int main(void)
3366 {
3367     fallocate(0, 0, 0, 0);
3368     return 0;
3369 }
3370 EOF
3371 if compile_prog "" "" ; then
3372   fallocate=yes
3373 fi
3374
3375 # check for fallocate hole punching
3376 fallocate_punch_hole=no
3377 cat > $TMPC << EOF
3378 #include <fcntl.h>
3379 #include <linux/falloc.h>
3380
3381 int main(void)
3382 {
3383     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
3384     return 0;
3385 }
3386 EOF
3387 if compile_prog "" "" ; then
3388   fallocate_punch_hole=yes
3389 fi
3390
3391 # check that fallocate supports range zeroing inside the file
3392 fallocate_zero_range=no
3393 cat > $TMPC << EOF
3394 #include <fcntl.h>
3395 #include <linux/falloc.h>
3396
3397 int main(void)
3398 {
3399     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
3400     return 0;
3401 }
3402 EOF
3403 if compile_prog "" "" ; then
3404   fallocate_zero_range=yes
3405 fi
3406
3407 # check for posix_fallocate
3408 posix_fallocate=no
3409 cat > $TMPC << EOF
3410 #include <fcntl.h>
3411
3412 int main(void)
3413 {
3414     posix_fallocate(0, 0, 0);
3415     return 0;
3416 }
3417 EOF
3418 if compile_prog "" "" ; then
3419     posix_fallocate=yes
3420 fi
3421
3422 # check for sync_file_range
3423 sync_file_range=no
3424 cat > $TMPC << EOF
3425 #include <fcntl.h>
3426
3427 int main(void)
3428 {
3429     sync_file_range(0, 0, 0, 0);
3430     return 0;
3431 }
3432 EOF
3433 if compile_prog "" "" ; then
3434   sync_file_range=yes
3435 fi
3436
3437 # check for linux/fiemap.h and FS_IOC_FIEMAP
3438 fiemap=no
3439 cat > $TMPC << EOF
3440 #include <sys/ioctl.h>
3441 #include <linux/fs.h>
3442 #include <linux/fiemap.h>
3443
3444 int main(void)
3445 {
3446     ioctl(0, FS_IOC_FIEMAP, 0);
3447     return 0;
3448 }
3449 EOF
3450 if compile_prog "" "" ; then
3451   fiemap=yes
3452 fi
3453
3454 # check for dup3
3455 dup3=no
3456 cat > $TMPC << EOF
3457 #include <unistd.h>
3458
3459 int main(void)
3460 {
3461     dup3(0, 0, 0);
3462     return 0;
3463 }
3464 EOF
3465 if compile_prog "" "" ; then
3466   dup3=yes
3467 fi
3468
3469 # check for ppoll support
3470 ppoll=no
3471 cat > $TMPC << EOF
3472 #include <poll.h>
3473
3474 int main(void)
3475 {
3476     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
3477     ppoll(&pfd, 1, 0, 0);
3478     return 0;
3479 }
3480 EOF
3481 if compile_prog "" "" ; then
3482   ppoll=yes
3483 fi
3484
3485 # check for prctl(PR_SET_TIMERSLACK , ... ) support
3486 prctl_pr_set_timerslack=no
3487 cat > $TMPC << EOF
3488 #include <sys/prctl.h>
3489
3490 int main(void)
3491 {
3492     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
3493     return 0;
3494 }
3495 EOF
3496 if compile_prog "" "" ; then
3497   prctl_pr_set_timerslack=yes
3498 fi
3499
3500 # check for epoll support
3501 epoll=no
3502 cat > $TMPC << EOF
3503 #include <sys/epoll.h>
3504
3505 int main(void)
3506 {
3507     epoll_create(0);
3508     return 0;
3509 }
3510 EOF
3511 if compile_prog "" "" ; then
3512   epoll=yes
3513 fi
3514
3515 # epoll_create1 and epoll_pwait are later additions
3516 # so we must check separately for their presence
3517 epoll_create1=no
3518 cat > $TMPC << EOF
3519 #include <sys/epoll.h>
3520
3521 int main(void)
3522 {
3523     /* Note that we use epoll_create1 as a value, not as
3524      * a function being called. This is necessary so that on
3525      * old SPARC glibc versions where the function was present in
3526      * the library but not declared in the header file we will
3527      * fail the configure check. (Otherwise we will get a compiler
3528      * warning but not an error, and will proceed to fail the
3529      * qemu compile where we compile with -Werror.)
3530      */
3531     return (int)(uintptr_t)&epoll_create1;
3532 }
3533 EOF
3534 if compile_prog "" "" ; then
3535   epoll_create1=yes
3536 fi
3537
3538 epoll_pwait=no
3539 cat > $TMPC << EOF
3540 #include <sys/epoll.h>
3541
3542 int main(void)
3543 {
3544     epoll_pwait(0, 0, 0, 0, 0);
3545     return 0;
3546 }
3547 EOF
3548 if compile_prog "" "" ; then
3549   epoll_pwait=yes
3550 fi
3551
3552 # check for sendfile support
3553 sendfile=no
3554 cat > $TMPC << EOF
3555 #include <sys/sendfile.h>
3556
3557 int main(void)
3558 {
3559     return sendfile(0, 0, 0, 0);
3560 }
3561 EOF
3562 if compile_prog "" "" ; then
3563   sendfile=yes
3564 fi
3565
3566 # check for timerfd support (glibc 2.8 and newer)
3567 timerfd=no
3568 cat > $TMPC << EOF
3569 #include <sys/timerfd.h>
3570
3571 int main(void)
3572 {
3573     return(timerfd_create(CLOCK_REALTIME, 0));
3574 }
3575 EOF
3576 if compile_prog "" "" ; then
3577   timerfd=yes
3578 fi
3579
3580 # check for setns and unshare support
3581 setns=no
3582 cat > $TMPC << EOF
3583 #include <sched.h>
3584
3585 int main(void)
3586 {
3587     int ret;
3588     ret = setns(0, 0);
3589     ret = unshare(0);
3590     return ret;
3591 }
3592 EOF
3593 if compile_prog "" "" ; then
3594   setns=yes
3595 fi
3596
3597 # Check if tools are available to build documentation.
3598 if test "$docs" != "no" ; then
3599   if has makeinfo && has pod2man; then
3600     docs=yes
3601   else
3602     if test "$docs" = "yes" ; then
3603       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
3604     fi
3605     docs=no
3606   fi
3607 fi
3608
3609 # Search for bswap_32 function
3610 byteswap_h=no
3611 cat > $TMPC << EOF
3612 #include <byteswap.h>
3613 int main(void) { return bswap_32(0); }
3614 EOF
3615 if compile_prog "" "" ; then
3616   byteswap_h=yes
3617 fi
3618
3619 # Search for bswap32 function
3620 bswap_h=no
3621 cat > $TMPC << EOF
3622 #include <sys/endian.h>
3623 #include <sys/types.h>
3624 #include <machine/bswap.h>
3625 int main(void) { return bswap32(0); }
3626 EOF
3627 if compile_prog "" "" ; then
3628   bswap_h=yes
3629 fi
3630
3631 ##########################################
3632 # Do we have libiscsi >= 1.9.0
3633 if test "$libiscsi" != "no" ; then
3634   if $pkg_config --atleast-version=1.9.0 libiscsi; then
3635     libiscsi="yes"
3636     libiscsi_cflags=$($pkg_config --cflags libiscsi)
3637     libiscsi_libs=$($pkg_config --libs libiscsi)
3638   else
3639     if test "$libiscsi" = "yes" ; then
3640       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
3641     fi
3642     libiscsi="no"
3643   fi
3644 fi
3645
3646 ##########################################
3647 # Do we need libm
3648 cat > $TMPC << EOF
3649 #include <math.h>
3650 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
3651 EOF
3652 if compile_prog "" "" ; then
3653   :
3654 elif compile_prog "" "-lm" ; then
3655   LIBS="-lm $LIBS"
3656   libs_qga="-lm $libs_qga"
3657 else
3658   error_exit "libm check failed"
3659 fi
3660
3661 ##########################################
3662 # Do we need librt
3663 # uClibc provides 2 versions of clock_gettime(), one with realtime
3664 # support and one without. This means that the clock_gettime() don't
3665 # need -lrt. We still need it for timer_create() so we check for this
3666 # function in addition.
3667 cat > $TMPC <<EOF
3668 #include <signal.h>
3669 #include <time.h>
3670 int main(void) {
3671   timer_create(CLOCK_REALTIME, NULL, NULL);
3672   return clock_gettime(CLOCK_REALTIME, NULL);
3673 }
3674 EOF
3675
3676 if compile_prog "" "" ; then
3677   :
3678 # we need pthread for static linking. use previous pthread test result
3679 elif compile_prog "" "$pthread_lib -lrt" ; then
3680   LIBS="$LIBS -lrt"
3681   libs_qga="$libs_qga -lrt"
3682 fi
3683
3684 if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
3685         "$aix" != "yes" -a "$haiku" != "yes" ; then
3686     libs_softmmu="-lutil $libs_softmmu"
3687 fi
3688
3689 ##########################################
3690 # spice probe
3691 if test "$spice" != "no" ; then
3692   cat > $TMPC << EOF
3693 #include <spice.h>
3694 int main(void) { spice_server_new(); return 0; }
3695 EOF
3696   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
3697   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
3698   if $pkg_config --atleast-version=0.12.0 spice-server && \
3699      $pkg_config --atleast-version=0.12.3 spice-protocol && \
3700      compile_prog "$spice_cflags" "$spice_libs" ; then
3701     spice="yes"
3702     libs_softmmu="$libs_softmmu $spice_libs"
3703     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
3704     spice_protocol_version=$($pkg_config --modversion spice-protocol)
3705     spice_server_version=$($pkg_config --modversion spice-server)
3706   else
3707     if test "$spice" = "yes" ; then
3708       feature_not_found "spice" \
3709           "Install spice-server(>=0.12.0) and spice-protocol(>=0.12.3) devel"
3710     fi
3711     spice="no"
3712   fi
3713 fi
3714
3715 # check for libcacard for smartcard support
3716 smartcard_cflags=""
3717 # TODO - what's the minimal nss version we support?
3718 if test "$smartcard_nss" != "no"; then
3719   cat > $TMPC << EOF
3720 #include <pk11pub.h>
3721 int main(void) { PK11_FreeSlot(0); return 0; }
3722 EOF
3723     # FIXME: do not include $glib_* in here
3724     nss_libs="$($pkg_config --libs nss 2>/dev/null) $glib_libs"
3725     nss_cflags="$($pkg_config --cflags nss 2>/dev/null) $glib_cflags"
3726     test_cflags="$nss_cflags"
3727     # The header files in nss < 3.13.3 have a bug which causes them to
3728     # emit a warning. If we're going to compile QEMU with -Werror, then
3729     # test that the headers don't have this bug. Otherwise we would pass
3730     # the configure test but fail to compile QEMU later.
3731     if test "$werror" = "yes"; then
3732         test_cflags="-Werror $test_cflags"
3733     fi
3734     if test -n "$libtool" &&
3735        $pkg_config --atleast-version=3.12.8 nss && \
3736       compile_prog "$test_cflags" "$nss_libs"; then
3737         smartcard_nss="yes"
3738     else
3739         if test "$smartcard_nss" = "yes"; then
3740             feature_not_found "nss" "Install nss devel >= 3.12.8"
3741         fi
3742         smartcard_nss="no"
3743     fi
3744 fi
3745
3746 # check for libusb
3747 if test "$libusb" != "no" ; then
3748     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
3749         libusb="yes"
3750         libusb_cflags=$($pkg_config --cflags libusb-1.0)
3751         libusb_libs=$($pkg_config --libs libusb-1.0)
3752         QEMU_CFLAGS="$QEMU_CFLAGS $libusb_cflags"
3753         libs_softmmu="$libs_softmmu $libusb_libs"
3754     else
3755         if test "$libusb" = "yes"; then
3756             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
3757         fi
3758         libusb="no"
3759     fi
3760 fi
3761
3762 # check for usbredirparser for usb network redirection support
3763 if test "$usb_redir" != "no" ; then
3764     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
3765         usb_redir="yes"
3766         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
3767         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
3768         QEMU_CFLAGS="$QEMU_CFLAGS $usb_redir_cflags"
3769         libs_softmmu="$libs_softmmu $usb_redir_libs"
3770     else
3771         if test "$usb_redir" = "yes"; then
3772             feature_not_found "usb-redir" "Install usbredir devel"
3773         fi
3774         usb_redir="no"
3775     fi
3776 fi
3777
3778 ##########################################
3779 # check if we have VSS SDK headers for win
3780
3781 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
3782   case "$vss_win32_sdk" in
3783     "")   vss_win32_include="-I$source_path" ;;
3784     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
3785           # handle path with spaces. So we symlink the headers into ".sdk/vss".
3786           vss_win32_include="-I$source_path/.sdk/vss"
3787           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
3788           ;;
3789     *)    vss_win32_include="-I$vss_win32_sdk"
3790   esac
3791   cat > $TMPC << EOF
3792 #define __MIDL_user_allocate_free_DEFINED__
3793 #include <inc/win2003/vss.h>
3794 int main(void) { return VSS_CTX_BACKUP; }
3795 EOF
3796   if compile_prog "$vss_win32_include" "" ; then
3797     guest_agent_with_vss="yes"
3798     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
3799     libs_qga="-lole32 -loleaut32 -lshlwapi -luuid -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
3800   else
3801     if test "$vss_win32_sdk" != "" ; then
3802       echo "ERROR: Please download and install Microsoft VSS SDK:"
3803       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
3804       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
3805       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
3806       echo "ERROR: The headers are extracted in the directory \`inc'."
3807       feature_not_found "VSS support"
3808     fi
3809     guest_agent_with_vss="no"
3810   fi
3811 fi
3812
3813 ##########################################
3814 # lookup Windows platform SDK (if not specified)
3815 # The SDK is needed only to build .tlb (type library) file of guest agent
3816 # VSS provider from the source. It is usually unnecessary because the
3817 # pre-compiled .tlb file is included.
3818
3819 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
3820   if test -z "$win_sdk"; then
3821     programfiles="$PROGRAMFILES"
3822     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
3823     if test -n "$programfiles"; then
3824       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
3825     else
3826       feature_not_found "Windows SDK"
3827     fi
3828   elif test "$win_sdk" = "no"; then
3829     win_sdk=""
3830   fi
3831 fi
3832
3833 ##########################################
3834
3835 ##########################################
3836 # check if we have fdatasync
3837
3838 fdatasync=no
3839 cat > $TMPC << EOF
3840 #include <unistd.h>
3841 int main(void) {
3842 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
3843 return fdatasync(0);
3844 #else
3845 #error Not supported
3846 #endif
3847 }
3848 EOF
3849 if compile_prog "" "" ; then
3850     fdatasync=yes
3851 fi
3852
3853 ##########################################
3854 # check if we have madvise
3855
3856 madvise=no
3857 cat > $TMPC << EOF
3858 #include <sys/types.h>
3859 #include <sys/mman.h>
3860 #include <stddef.h>
3861 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
3862 EOF
3863 if compile_prog "" "" ; then
3864     madvise=yes
3865 fi
3866
3867 ##########################################
3868 # check if we have posix_madvise
3869
3870 posix_madvise=no
3871 cat > $TMPC << EOF
3872 #include <sys/mman.h>
3873 #include <stddef.h>
3874 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
3875 EOF
3876 if compile_prog "" "" ; then
3877     posix_madvise=yes
3878 fi
3879
3880 ##########################################
3881 # check if we have usable SIGEV_THREAD_ID
3882
3883 sigev_thread_id=no
3884 cat > $TMPC << EOF
3885 #include <signal.h>
3886 int main(void) {
3887   struct sigevent ev;
3888   ev.sigev_notify = SIGEV_THREAD_ID;
3889   ev._sigev_un._tid = 0;
3890   asm volatile("" : : "g"(&ev));
3891   return 0;
3892 }
3893 EOF
3894 if compile_prog "" "" ; then
3895     sigev_thread_id=yes
3896 fi
3897
3898 ##########################################
3899 # check if trace backend exists
3900
3901 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
3902 if test "$?" -ne 0 ; then
3903   error_exit "invalid trace backends" \
3904       "Please choose supported trace backends."
3905 fi
3906
3907 ##########################################
3908 # For 'ust' backend, test if ust headers are present
3909 if have_backend "ust"; then
3910   cat > $TMPC << EOF
3911 #include <lttng/tracepoint.h>
3912 int main(void) { return 0; }
3913 EOF
3914   if compile_prog "" "" ; then
3915     if $pkg_config lttng-ust --exists; then
3916       lttng_ust_libs=`$pkg_config --libs lttng-ust`
3917     else
3918       lttng_ust_libs="-llttng-ust"
3919     fi
3920     if $pkg_config liburcu-bp --exists; then
3921       urcu_bp_libs=`$pkg_config --libs liburcu-bp`
3922     else
3923       urcu_bp_libs="-lurcu-bp"
3924     fi
3925
3926     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
3927     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
3928   else
3929     error_exit "Trace backend 'ust' missing lttng-ust header files"
3930   fi
3931 fi
3932
3933 ##########################################
3934 # For 'dtrace' backend, test if 'dtrace' command is present
3935 if have_backend "dtrace"; then
3936   if ! has 'dtrace' ; then
3937     error_exit "dtrace command is not found in PATH $PATH"
3938   fi
3939   trace_backend_stap="no"
3940   if has 'stap' ; then
3941     trace_backend_stap="yes"
3942   fi
3943 fi
3944
3945 ##########################################
3946 # check and set a backend for coroutine
3947
3948 # We prefer ucontext, but it's not always possible. The fallback
3949 # is sigcontext. gthread is not selectable except explicitly, because
3950 # it is not functional enough to run QEMU proper. (It is occasionally
3951 # useful for debugging purposes.)  On Windows the only valid backend
3952 # is the Windows-specific one.
3953
3954 ucontext_works=no
3955 if test "$darwin" != "yes"; then
3956   cat > $TMPC << EOF
3957 #include <ucontext.h>
3958 #ifdef __stub_makecontext
3959 #error Ignoring glibc stub makecontext which will always fail
3960 #endif
3961 int main(void) { makecontext(0, 0, 0); return 0; }
3962 EOF
3963   if compile_prog "" "" ; then
3964     ucontext_works=yes
3965   fi
3966 fi
3967
3968 if test "$coroutine" = ""; then
3969   if test "$mingw32" = "yes"; then
3970     coroutine=win32
3971   elif test "$ucontext_works" = "yes"; then
3972     coroutine=ucontext
3973   else
3974     coroutine=sigaltstack
3975   fi
3976 else
3977   case $coroutine in
3978   windows)
3979     if test "$mingw32" != "yes"; then
3980       error_exit "'windows' coroutine backend only valid for Windows"
3981     fi
3982     # Unfortunately the user visible backend name doesn't match the
3983     # coroutine-*.c filename for this case, so we have to adjust it here.
3984     coroutine=win32
3985     ;;
3986   ucontext)
3987     if test "$ucontext_works" != "yes"; then
3988       feature_not_found "ucontext"
3989     fi
3990     ;;
3991   gthread|sigaltstack)
3992     if test "$mingw32" = "yes"; then
3993       error_exit "only the 'windows' coroutine backend is valid for Windows"
3994     fi
3995     ;;
3996   *)
3997     error_exit "unknown coroutine backend $coroutine"
3998     ;;
3999   esac
4000 fi
4001
4002 if test "$coroutine_pool" = ""; then
4003   if test "$coroutine" = "gthread"; then
4004     coroutine_pool=no
4005   else
4006     coroutine_pool=yes
4007   fi
4008 fi
4009 if test "$coroutine" = "gthread" -a "$coroutine_pool" = "yes"; then
4010   error_exit "'gthread' coroutine backend does not support pool (use --disable-coroutine-pool)"
4011 fi
4012
4013 ##########################################
4014 # check if we have open_by_handle_at
4015
4016 open_by_handle_at=no
4017 cat > $TMPC << EOF
4018 #include <fcntl.h>
4019 #if !defined(AT_EMPTY_PATH)
4020 # error missing definition
4021 #else
4022 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4023 #endif
4024 EOF
4025 if compile_prog "" "" ; then
4026     open_by_handle_at=yes
4027 fi
4028
4029 ########################################
4030 # check if we have linux/magic.h
4031
4032 linux_magic_h=no
4033 cat > $TMPC << EOF
4034 #include <linux/magic.h>
4035 int main(void) {
4036   return 0;
4037 }
4038 EOF
4039 if compile_prog "" "" ; then
4040     linux_magic_h=yes
4041 fi
4042
4043 ########################################
4044 # check whether we can disable warning option with a pragma (this is needed
4045 # to silence warnings in the headers of some versions of external libraries).
4046 # This test has to be compiled with -Werror as otherwise an unknown pragma is
4047 # only a warning.
4048 #
4049 # If we can't selectively disable warning in the code, disable -Werror so that
4050 # the build doesn't fail anyway.
4051
4052 pragma_disable_unused_but_set=no
4053 cat > $TMPC << EOF
4054 #pragma GCC diagnostic push
4055 #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
4056 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
4057 #pragma GCC diagnostic pop
4058
4059 int main(void) {
4060     return 0;
4061 }
4062 EOF
4063 if compile_prog "-Werror" "" ; then
4064     pragma_diagnostic_available=yes
4065 else
4066     werror=no
4067 fi
4068
4069 ########################################
4070 # check if we have valgrind/valgrind.h
4071
4072 valgrind_h=no
4073 cat > $TMPC << EOF
4074 #include <valgrind/valgrind.h>
4075 int main(void) {
4076   return 0;
4077 }
4078 EOF
4079 if compile_prog "" "" ; then
4080     valgrind_h=yes
4081 fi
4082
4083 ########################################
4084 # check if environ is declared
4085
4086 has_environ=no
4087 cat > $TMPC << EOF
4088 #include <unistd.h>
4089 int main(void) {
4090     environ = 0;
4091     return 0;
4092 }
4093 EOF
4094 if compile_prog "" "" ; then
4095     has_environ=yes
4096 fi
4097
4098 ########################################
4099 # check if cpuid.h is usable.
4100
4101 cpuid_h=no
4102 cat > $TMPC << EOF
4103 #include <cpuid.h>
4104 int main(void) {
4105     unsigned a, b, c, d;
4106     int max = __get_cpuid_max(0, 0);
4107
4108     if (max >= 1) {
4109         __cpuid(1, a, b, c, d);
4110     }
4111
4112     if (max >= 7) {
4113         __cpuid_count(7, 0, a, b, c, d);
4114     }
4115
4116     return 0;
4117 }
4118 EOF
4119 if compile_prog "" "" ; then
4120     cpuid_h=yes
4121 fi
4122
4123 ########################################
4124 # check if __[u]int128_t is usable.
4125
4126 int128=no
4127 cat > $TMPC << EOF
4128 #if defined(__clang_major__) && defined(__clang_minor__)
4129 # if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
4130 #  error __int128_t does not work in CLANG before 3.2
4131 # endif
4132 #endif
4133 __int128_t a;
4134 __uint128_t b;
4135 int main (void) {
4136   a = a + b;
4137   b = a * b;
4138   a = a * a;
4139   return 0;
4140 }
4141 EOF
4142 if compile_prog "" "" ; then
4143     int128=yes
4144 fi
4145
4146 ########################################
4147 # check if getauxval is available.
4148
4149 getauxval=no
4150 cat > $TMPC << EOF
4151 #include <sys/auxv.h>
4152 int main(void) {
4153   return getauxval(AT_HWCAP) == 0;
4154 }
4155 EOF
4156 if compile_prog "" "" ; then
4157     getauxval=yes
4158 fi
4159
4160 ##########################################
4161 # End of CC checks
4162 # After here, no more $cc or $ld runs
4163
4164 if test "$gcov" = "yes" ; then
4165   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
4166   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
4167 elif test "$debug" = "no" ; then
4168   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
4169 fi
4170
4171 ##########################################
4172 # Do we have libnfs
4173 if test "$libnfs" != "no" ; then
4174   if $pkg_config --atleast-version=1.9.3 libnfs; then
4175     libnfs="yes"
4176     libnfs_libs=$($pkg_config --libs libnfs)
4177     LIBS="$LIBS $libnfs_libs"
4178   else
4179     if test "$libnfs" = "yes" ; then
4180       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
4181     fi
4182     libnfs="no"
4183   fi
4184 fi
4185
4186 # Disable zero malloc errors for official releases unless explicitly told to
4187 # enable/disable
4188 if test -z "$zero_malloc" ; then
4189     if test "$z_version" = "50" ; then
4190         zero_malloc="no"
4191     else
4192         zero_malloc="yes"
4193     fi
4194 fi
4195
4196 # Now we've finished running tests it's OK to add -Werror to the compiler flags
4197 if test "$werror" = "yes"; then
4198     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
4199 fi
4200
4201 if test "$solaris" = "no" ; then
4202     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
4203         LDFLAGS="-Wl,--warn-common $LDFLAGS"
4204     fi
4205 fi
4206
4207 # test if pod2man has --utf8 option
4208 if pod2man --help | grep -q utf8; then
4209     POD2MAN="pod2man --utf8"
4210 else
4211     POD2MAN="pod2man"
4212 fi
4213
4214 # Use ASLR, no-SEH and DEP if available
4215 if test "$mingw32" = "yes" ; then
4216     for flag in --dynamicbase --no-seh --nxcompat; do
4217         if $ld --help 2>/dev/null | grep ".$flag" >/dev/null 2>/dev/null ; then
4218             LDFLAGS="-Wl,$flag $LDFLAGS"
4219         fi
4220     done
4221 fi
4222
4223 qemu_confdir=$sysconfdir$confsuffix
4224 qemu_moddir=$libdir$confsuffix
4225 qemu_datadir=$datadir$confsuffix
4226 qemu_localedir="$datadir/locale"
4227
4228 tools=""
4229 if test "$want_tools" = "yes" ; then
4230   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
4231   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
4232     tools="qemu-nbd\$(EXESUF) $tools"
4233   fi
4234 fi
4235 if test "$softmmu" = yes ; then
4236   if test "$virtfs" != no ; then
4237     if test "$cap" = yes && test "$linux" = yes && test "$attr" = yes ; then
4238       virtfs=yes
4239       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
4240     else
4241       if test "$virtfs" = yes; then
4242         error_exit "VirtFS is supported only on Linux and requires libcap-devel and libattr-devel"
4243       fi
4244       virtfs=no
4245     fi
4246   fi
4247 fi
4248 if [ "$guest_agent" != "no" ]; then
4249   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
4250       tools="qemu-ga\$(EXESUF) $tools"
4251       if [ "$mingw32" = "yes" -a "$guest_agent_with_vss" = "yes" ]; then
4252         tools="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb $tools"
4253       fi
4254       guest_agent=yes
4255   elif [ "$guest_agent" != yes ]; then
4256       guest_agent=no
4257   else
4258       error_exit "Guest agent is not supported on this platform"
4259   fi
4260 fi
4261
4262 # Mac OS X ships with a broken assembler
4263 roms=
4264 if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
4265         "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
4266         "$softmmu" = yes ; then
4267   roms="optionrom"
4268 fi
4269 if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
4270   roms="$roms spapr-rtas"
4271 fi
4272
4273 if test "$cpu" = "s390x" ; then
4274   roms="$roms s390-ccw"
4275 fi
4276
4277 # Probe for the need for relocating the user-only binary.
4278 if test "$pie" = "no" ; then
4279   textseg_addr=
4280   case "$cpu" in
4281     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
4282       # ??? Rationale for choosing this address
4283       textseg_addr=0x60000000
4284       ;;
4285     mips)
4286       # A 256M aligned address, high in the address space, with enough
4287       # room for the code_gen_buffer above it before the stack.
4288       textseg_addr=0x60000000
4289       ;;
4290   esac
4291   if [ -n "$textseg_addr" ]; then
4292     cat > $TMPC <<EOF
4293     int main(void) { return 0; }
4294 EOF
4295     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
4296     if ! compile_prog "" "$textseg_ldflags"; then
4297       # In case ld does not support -Ttext-segment, edit the default linker
4298       # script via sed to set the .text start addr.  This is needed on FreeBSD
4299       # at least.
4300       $ld --verbose | sed \
4301         -e '1,/==================================================/d' \
4302         -e '/==================================================/,$d' \
4303         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
4304         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
4305       textseg_ldflags="-Wl,-T../config-host.ld"
4306     fi
4307   fi
4308 fi
4309
4310 # prepend pixman and ftd flags after all config tests are done
4311 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
4312 libs_softmmu="$pixman_libs $libs_softmmu"
4313
4314 echo "Install prefix    $prefix"
4315 echo "BIOS directory    `eval echo $qemu_datadir`"
4316 echo "binary directory  `eval echo $bindir`"
4317 echo "library directory `eval echo $libdir`"
4318 echo "module directory  `eval echo $qemu_moddir`"
4319 echo "libexec directory `eval echo $libexecdir`"
4320 echo "include directory `eval echo $includedir`"
4321 echo "config directory  `eval echo $sysconfdir`"
4322 if test "$mingw32" = "no" ; then
4323 echo "local state directory   `eval echo $local_statedir`"
4324 echo "Manual directory  `eval echo $mandir`"
4325 echo "ELF interp prefix $interp_prefix"
4326 else
4327 echo "local state directory   queried at runtime"
4328 echo "Windows SDK       $win_sdk"
4329 fi
4330 echo "Source path       $source_path"
4331 echo "C compiler        $cc"
4332 echo "Host C compiler   $host_cc"
4333 echo "C++ compiler      $cxx"
4334 echo "Objective-C compiler $objcc"
4335 echo "ARFLAGS           $ARFLAGS"
4336 echo "CFLAGS            $CFLAGS"
4337 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
4338 echo "LDFLAGS           $LDFLAGS"
4339 echo "make              $make"
4340 echo "install           $install"
4341 echo "python            $python"
4342 if test "$slirp" = "yes" ; then
4343     echo "smbd              $smbd"
4344 fi
4345 echo "module support    $modules"
4346 echo "host CPU          $cpu"
4347 echo "host big endian   $bigendian"
4348 echo "target list       $target_list"
4349 echo "tcg debug enabled $debug_tcg"
4350 echo "gprof enabled     $gprof"
4351 echo "sparse enabled    $sparse"
4352 echo "strip binaries    $strip_opt"
4353 echo "profiler          $profiler"
4354 echo "static build      $static"
4355 if test "$darwin" = "yes" ; then
4356     echo "Cocoa support     $cocoa"
4357 fi
4358 echo "pixman            $pixman"
4359 echo "SDL support       $sdl"
4360 echo "GTK support       $gtk"
4361 echo "VTE support       $vte"
4362 echo "curses support    $curses"
4363 echo "curl support      $curl"
4364 echo "mingw32 support   $mingw32"
4365 echo "Audio drivers     $audio_drv_list"
4366 echo "Block whitelist (rw) $block_drv_rw_whitelist"
4367 echo "Block whitelist (ro) $block_drv_ro_whitelist"
4368 echo "VirtFS support    $virtfs"
4369 echo "VNC support       $vnc"
4370 if test "$vnc" = "yes" ; then
4371     echo "VNC TLS support   $vnc_tls"
4372     echo "VNC SASL support  $vnc_sasl"
4373     echo "VNC JPEG support  $vnc_jpeg"
4374     echo "VNC PNG support   $vnc_png"
4375     echo "VNC WS support    $vnc_ws"
4376 fi
4377 if test -n "$sparc_cpu"; then
4378     echo "Target Sparc Arch $sparc_cpu"
4379 fi
4380 echo "xen support       $xen"
4381 if test "$xen" = "yes" ; then
4382   echo "xen ctrl version  $xen_ctrl_version"
4383 fi
4384 echo "brlapi support    $brlapi"
4385 echo "bluez  support    $bluez"
4386 echo "Documentation     $docs"
4387 echo "GUEST_BASE        $guest_base"
4388 echo "PIE               $pie"
4389 echo "vde support       $vde"
4390 echo "netmap support    $netmap"
4391 echo "Linux AIO support $linux_aio"
4392 echo "ATTR/XATTR support $attr"
4393 echo "Install blobs     $blobs"
4394 echo "KVM support       $kvm"
4395 echo "RDMA support      $rdma"
4396 echo "TCG interpreter   $tcg_interpreter"
4397 echo "fdt support       $fdt"
4398 echo "preadv support    $preadv"
4399 echo "fdatasync         $fdatasync"
4400 echo "madvise           $madvise"
4401 echo "posix_madvise     $posix_madvise"
4402 echo "sigev_thread_id   $sigev_thread_id"
4403 echo "uuid support      $uuid"
4404 echo "libcap-ng support $cap_ng"
4405 echo "vhost-net support $vhost_net"
4406 echo "vhost-scsi support $vhost_scsi"
4407 echo "Trace backends    $trace_backends"
4408 if test "$trace_backend" = "simple"; then
4409 echo "Trace output file $trace_file-<pid>"
4410 fi
4411 if test "$spice" = "yes"; then
4412 echo "spice support     $spice ($spice_protocol_version/$spice_server_version)"
4413 else
4414 echo "spice support     $spice"
4415 fi
4416 echo "rbd support       $rbd"
4417 echo "xfsctl support    $xfs"
4418 echo "nss used          $smartcard_nss"
4419 echo "libusb            $libusb"
4420 echo "usb net redir     $usb_redir"
4421 echo "OpenGL support    $opengl"
4422 echo "libiscsi support  $libiscsi"
4423 echo "libnfs support    $libnfs"
4424 echo "build guest agent $guest_agent"
4425 echo "QGA VSS support   $guest_agent_with_vss"
4426 echo "seccomp support   $seccomp"
4427 echo "coroutine backend $coroutine"
4428 echo "coroutine pool    $coroutine_pool"
4429 echo "GlusterFS support $glusterfs"
4430 echo "Archipelago support $archipelago"
4431 echo "gcov              $gcov_tool"
4432 echo "gcov enabled      $gcov"
4433 echo "TPM support       $tpm"
4434 echo "libssh2 support   $libssh2"
4435 echo "TPM passthrough   $tpm_passthrough"
4436 echo "QOM debugging     $qom_cast_debug"
4437 echo "vhdx              $vhdx"
4438 echo "Quorum            $quorum"
4439 echo "lzo support       $lzo"
4440 echo "snappy support    $snappy"
4441 echo "bzip2 support     $bzip2"
4442 echo "NUMA host support $numa"
4443
4444 if test "$sdl_too_old" = "yes"; then
4445 echo "-> Your SDL version is too old - please upgrade to have SDL support"
4446 fi
4447
4448 config_host_mak="config-host.mak"
4449
4450 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
4451
4452 echo "# Automatically generated by configure - do not modify" > $config_host_mak
4453 echo >> $config_host_mak
4454
4455 echo all: >> $config_host_mak
4456 echo "prefix=$prefix" >> $config_host_mak
4457 echo "bindir=$bindir" >> $config_host_mak
4458 echo "libdir=$libdir" >> $config_host_mak
4459 echo "libexecdir=$libexecdir" >> $config_host_mak
4460 echo "includedir=$includedir" >> $config_host_mak
4461 echo "mandir=$mandir" >> $config_host_mak
4462 echo "sysconfdir=$sysconfdir" >> $config_host_mak
4463 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
4464 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
4465 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
4466 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
4467 if test "$mingw32" = "no" ; then
4468   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
4469 fi
4470 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
4471 echo "extra_cflags=$EXTRA_CFLAGS" >> $config_host_mak
4472 echo "extra_ldflags=$EXTRA_LDFLAGS" >> $config_host_mak
4473 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
4474 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
4475
4476 echo "ARCH=$ARCH" >> $config_host_mak
4477
4478 if test "$debug_tcg" = "yes" ; then
4479   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
4480 fi
4481 if test "$strip_opt" = "yes" ; then
4482   echo "STRIP=${strip}" >> $config_host_mak
4483 fi
4484 if test "$bigendian" = "yes" ; then
4485   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
4486 fi
4487 if test "$mingw32" = "yes" ; then
4488   echo "CONFIG_WIN32=y" >> $config_host_mak
4489   rc_version=`cat $source_path/VERSION`
4490   version_major=${rc_version%%.*}
4491   rc_version=${rc_version#*.}
4492   version_minor=${rc_version%%.*}
4493   rc_version=${rc_version#*.}
4494   version_subminor=${rc_version%%.*}
4495   version_micro=0
4496   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
4497   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
4498   if test "$guest_agent_with_vss" = "yes" ; then
4499     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
4500     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
4501   fi
4502 else
4503   echo "CONFIG_POSIX=y" >> $config_host_mak
4504 fi
4505
4506 if test "$linux" = "yes" ; then
4507   echo "CONFIG_LINUX=y" >> $config_host_mak
4508 fi
4509
4510 if test "$darwin" = "yes" ; then
4511   echo "CONFIG_DARWIN=y" >> $config_host_mak
4512 fi
4513
4514 if test "$aix" = "yes" ; then
4515   echo "CONFIG_AIX=y" >> $config_host_mak
4516 fi
4517
4518 if test "$solaris" = "yes" ; then
4519   echo "CONFIG_SOLARIS=y" >> $config_host_mak
4520   echo "CONFIG_SOLARIS_VERSION=$solarisrev" >> $config_host_mak
4521   if test "$needs_libsunmath" = "yes" ; then
4522     echo "CONFIG_NEEDS_LIBSUNMATH=y" >> $config_host_mak
4523   fi
4524 fi
4525 if test "$haiku" = "yes" ; then
4526   echo "CONFIG_HAIKU=y" >> $config_host_mak
4527 fi
4528 if test "$static" = "yes" ; then
4529   echo "CONFIG_STATIC=y" >> $config_host_mak
4530 fi
4531 if test "$profiler" = "yes" ; then
4532   echo "CONFIG_PROFILER=y" >> $config_host_mak
4533 fi
4534 if test "$slirp" = "yes" ; then
4535   echo "CONFIG_SLIRP=y" >> $config_host_mak
4536   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
4537 fi
4538 if test "$vde" = "yes" ; then
4539   echo "CONFIG_VDE=y" >> $config_host_mak
4540 fi
4541 if test "$netmap" = "yes" ; then
4542   echo "CONFIG_NETMAP=y" >> $config_host_mak
4543 fi
4544 if test "$l2tpv3" = "yes" ; then
4545   echo "CONFIG_L2TPV3=y" >> $config_host_mak
4546 fi
4547 if test "$cap_ng" = "yes" ; then
4548   echo "CONFIG_LIBCAP=y" >> $config_host_mak
4549 fi
4550 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
4551 for drv in $audio_drv_list; do
4552     def=CONFIG_`echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]'`
4553     echo "$def=y" >> $config_host_mak
4554     if test "$drv" = "fmod"; then
4555         echo "FMOD_CFLAGS=-I$fmod_inc" >> $config_host_mak
4556     fi
4557 done
4558 if test "$audio_pt_int" = "yes" ; then
4559   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
4560 fi
4561 if test "$audio_win_int" = "yes" ; then
4562   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
4563 fi
4564 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
4565 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
4566 if test "$vnc" = "yes" ; then
4567   echo "CONFIG_VNC=y" >> $config_host_mak
4568 fi
4569 if test "$vnc_tls" = "yes" ; then
4570   echo "CONFIG_VNC_TLS=y" >> $config_host_mak
4571 fi
4572 if test "$vnc_sasl" = "yes" ; then
4573   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
4574 fi
4575 if test "$vnc_jpeg" = "yes" ; then
4576   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
4577 fi
4578 if test "$vnc_png" = "yes" ; then
4579   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
4580 fi
4581 if test "$vnc_ws" = "yes" ; then
4582   echo "CONFIG_VNC_WS=y" >> $config_host_mak
4583   echo "VNC_WS_CFLAGS=$vnc_ws_cflags" >> $config_host_mak
4584 fi
4585 if test "$fnmatch" = "yes" ; then
4586   echo "CONFIG_FNMATCH=y" >> $config_host_mak
4587 fi
4588 if test "$uuid" = "yes" ; then
4589   echo "CONFIG_UUID=y" >> $config_host_mak
4590 fi
4591 if test "$xfs" = "yes" ; then
4592   echo "CONFIG_XFS=y" >> $config_host_mak
4593 fi
4594 qemu_version=`head $source_path/VERSION`
4595 echo "VERSION=$qemu_version" >>$config_host_mak
4596 echo "PKGVERSION=$pkgversion" >>$config_host_mak
4597 echo "SRC_PATH=$source_path" >> $config_host_mak
4598 echo "TARGET_DIRS=$target_list" >> $config_host_mak
4599 if [ "$docs" = "yes" ] ; then
4600   echo "BUILD_DOCS=yes" >> $config_host_mak
4601 fi
4602 if test "$modules" = "yes"; then
4603   # $shacmd can generate a hash started with digit, which the compiler doesn't
4604   # like as an symbol. So prefix it with an underscore
4605   echo "CONFIG_STAMP=_`(echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ `" >> $config_host_mak
4606   echo "CONFIG_MODULES=y" >> $config_host_mak
4607 fi
4608 if test "$sdl" = "yes" ; then
4609   echo "CONFIG_SDL=y" >> $config_host_mak
4610   echo "CONFIG_SDLABI=$sdlabi" >> $config_host_mak
4611   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
4612 fi
4613 if test "$cocoa" = "yes" ; then
4614   echo "CONFIG_COCOA=y" >> $config_host_mak
4615 fi
4616 if test "$curses" = "yes" ; then
4617   echo "CONFIG_CURSES=y" >> $config_host_mak
4618 fi
4619 if test "$utimens" = "yes" ; then
4620   echo "CONFIG_UTIMENSAT=y" >> $config_host_mak
4621 fi
4622 if test "$pipe2" = "yes" ; then
4623   echo "CONFIG_PIPE2=y" >> $config_host_mak
4624 fi
4625 if test "$accept4" = "yes" ; then
4626   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
4627 fi
4628 if test "$splice" = "yes" ; then
4629   echo "CONFIG_SPLICE=y" >> $config_host_mak
4630 fi
4631 if test "$eventfd" = "yes" ; then
4632   echo "CONFIG_EVENTFD=y" >> $config_host_mak
4633 fi
4634 if test "$fallocate" = "yes" ; then
4635   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
4636 fi
4637 if test "$fallocate_punch_hole" = "yes" ; then
4638   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
4639 fi
4640 if test "$fallocate_zero_range" = "yes" ; then
4641   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
4642 fi
4643 if test "$posix_fallocate" = "yes" ; then
4644   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
4645 fi
4646 if test "$sync_file_range" = "yes" ; then
4647   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
4648 fi
4649 if test "$fiemap" = "yes" ; then
4650   echo "CONFIG_FIEMAP=y" >> $config_host_mak
4651 fi
4652 if test "$dup3" = "yes" ; then
4653   echo "CONFIG_DUP3=y" >> $config_host_mak
4654 fi
4655 if test "$ppoll" = "yes" ; then
4656   echo "CONFIG_PPOLL=y" >> $config_host_mak
4657 fi
4658 if test "$prctl_pr_set_timerslack" = "yes" ; then
4659   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
4660 fi
4661 if test "$epoll" = "yes" ; then
4662   echo "CONFIG_EPOLL=y" >> $config_host_mak
4663 fi
4664 if test "$epoll_create1" = "yes" ; then
4665   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
4666 fi
4667 if test "$epoll_pwait" = "yes" ; then
4668   echo "CONFIG_EPOLL_PWAIT=y" >> $config_host_mak
4669 fi
4670 if test "$sendfile" = "yes" ; then
4671   echo "CONFIG_SENDFILE=y" >> $config_host_mak
4672 fi
4673 if test "$timerfd" = "yes" ; then
4674   echo "CONFIG_TIMERFD=y" >> $config_host_mak
4675 fi
4676 if test "$setns" = "yes" ; then
4677   echo "CONFIG_SETNS=y" >> $config_host_mak
4678 fi
4679 if test "$inotify" = "yes" ; then
4680   echo "CONFIG_INOTIFY=y" >> $config_host_mak
4681 fi
4682 if test "$inotify1" = "yes" ; then
4683   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
4684 fi
4685 if test "$byteswap_h" = "yes" ; then
4686   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
4687 fi
4688 if test "$bswap_h" = "yes" ; then
4689   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
4690 fi
4691 if test "$curl" = "yes" ; then
4692   echo "CONFIG_CURL=m" >> $config_host_mak
4693   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
4694   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
4695 fi
4696 if test "$brlapi" = "yes" ; then
4697   echo "CONFIG_BRLAPI=y" >> $config_host_mak
4698 fi
4699 if test "$bluez" = "yes" ; then
4700   echo "CONFIG_BLUEZ=y" >> $config_host_mak
4701   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
4702 fi
4703 if test "glib_subprocess" = "yes" ; then
4704   echo "CONFIG_HAS_GLIB_SUBPROCESS_TESTS=y" >> $config_host_mak
4705 fi
4706 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
4707 if test "$gtk" = "yes" ; then
4708   echo "CONFIG_GTK=y" >> $config_host_mak
4709   echo "CONFIG_GTKABI=$gtkabi" >> $config_host_mak
4710   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
4711 fi
4712 if test "$vte" = "yes" ; then
4713   echo "CONFIG_VTE=y" >> $config_host_mak
4714   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
4715 fi
4716 if test "$xen" = "yes" ; then
4717   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
4718   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
4719 fi
4720 if test "$linux_aio" = "yes" ; then
4721   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
4722 fi
4723 if test "$attr" = "yes" ; then
4724   echo "CONFIG_ATTR=y" >> $config_host_mak
4725 fi
4726 if test "$libattr" = "yes" ; then
4727   echo "CONFIG_LIBATTR=y" >> $config_host_mak
4728 fi
4729 if test "$virtfs" = "yes" ; then
4730   echo "CONFIG_VIRTFS=y" >> $config_host_mak
4731 fi
4732 if test "$vhost_scsi" = "yes" ; then
4733   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
4734 fi
4735 if test "$vhost_net" = "yes" ; then
4736   echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
4737 fi
4738 if test "$blobs" = "yes" ; then
4739   echo "INSTALL_BLOBS=yes" >> $config_host_mak
4740 fi
4741 if test "$iovec" = "yes" ; then
4742   echo "CONFIG_IOVEC=y" >> $config_host_mak
4743 fi
4744 if test "$preadv" = "yes" ; then
4745   echo "CONFIG_PREADV=y" >> $config_host_mak
4746 fi
4747 if test "$fdt" = "yes" ; then
4748   echo "CONFIG_FDT=y" >> $config_host_mak
4749 fi
4750 if test "$signalfd" = "yes" ; then
4751   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
4752 fi
4753 if test "$tcg_interpreter" = "yes" ; then
4754   echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
4755 fi
4756 if test "$fdatasync" = "yes" ; then
4757   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
4758 fi
4759 if test "$madvise" = "yes" ; then
4760   echo "CONFIG_MADVISE=y" >> $config_host_mak
4761 fi
4762 if test "$posix_madvise" = "yes" ; then
4763   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
4764 fi
4765 if test "$sigev_thread_id" = "yes" ; then
4766   echo "CONFIG_SIGEV_THREAD_ID=y" >> $config_host_mak
4767 fi
4768
4769 if test "$spice" = "yes" ; then
4770   echo "CONFIG_SPICE=y" >> $config_host_mak
4771 fi
4772
4773 if test "$smartcard_nss" = "yes" ; then
4774   echo "CONFIG_SMARTCARD_NSS=y" >> $config_host_mak
4775   echo "NSS_LIBS=$nss_libs" >> $config_host_mak
4776   echo "NSS_CFLAGS=$nss_cflags" >> $config_host_mak
4777 fi
4778
4779 if test "$libusb" = "yes" ; then
4780   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
4781 fi
4782
4783 if test "$usb_redir" = "yes" ; then
4784   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
4785 fi
4786
4787 if test "$opengl" = "yes" ; then
4788   echo "CONFIG_OPENGL=y" >> $config_host_mak
4789   echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak
4790   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
4791 fi
4792
4793 if test "$lzo" = "yes" ; then
4794   echo "CONFIG_LZO=y" >> $config_host_mak
4795 fi
4796
4797 if test "$snappy" = "yes" ; then
4798   echo "CONFIG_SNAPPY=y" >> $config_host_mak
4799 fi
4800
4801 if test "$bzip2" = "yes" ; then
4802   echo "CONFIG_BZIP2=y" >> $config_host_mak
4803   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
4804 fi
4805
4806 if test "$libiscsi" = "yes" ; then
4807   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
4808   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
4809   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
4810 fi
4811
4812 if test "$libnfs" = "yes" ; then
4813   echo "CONFIG_LIBNFS=y" >> $config_host_mak
4814 fi
4815
4816 if test "$seccomp" = "yes"; then
4817   echo "CONFIG_SECCOMP=y" >> $config_host_mak
4818 fi
4819
4820 # XXX: suppress that
4821 if [ "$bsd" = "yes" ] ; then
4822   echo "CONFIG_BSD=y" >> $config_host_mak
4823 fi
4824
4825 if test "$zero_malloc" = "yes" ; then
4826   echo "CONFIG_ZERO_MALLOC=y" >> $config_host_mak
4827 fi
4828 if test "$qom_cast_debug" = "yes" ; then
4829   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
4830 fi
4831 if test "$rbd" = "yes" ; then
4832   echo "CONFIG_RBD=m" >> $config_host_mak
4833   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
4834   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
4835 fi
4836
4837 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
4838 if test "$coroutine_pool" = "yes" ; then
4839   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
4840 else
4841   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
4842 fi
4843
4844 if test "$open_by_handle_at" = "yes" ; then
4845   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
4846 fi
4847
4848 if test "$linux_magic_h" = "yes" ; then
4849   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
4850 fi
4851
4852 if test "$pragma_diagnostic_available" = "yes" ; then
4853   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
4854 fi
4855
4856 if test "$valgrind_h" = "yes" ; then
4857   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
4858 fi
4859
4860 if test "$has_environ" = "yes" ; then
4861   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
4862 fi
4863
4864 if test "$cpuid_h" = "yes" ; then
4865   echo "CONFIG_CPUID_H=y" >> $config_host_mak
4866 fi
4867
4868 if test "$int128" = "yes" ; then
4869   echo "CONFIG_INT128=y" >> $config_host_mak
4870 fi
4871
4872 if test "$getauxval" = "yes" ; then
4873   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
4874 fi
4875
4876 if test "$glusterfs" = "yes" ; then
4877   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
4878   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
4879   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
4880 fi
4881
4882 if test "$glusterfs_discard" = "yes" ; then
4883   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
4884 fi
4885
4886 if test "$glusterfs_zerofill" = "yes" ; then
4887   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
4888 fi
4889
4890 if test "$archipelago" = "yes" ; then
4891   echo "CONFIG_ARCHIPELAGO=m" >> $config_host_mak
4892   echo "ARCHIPELAGO_LIBS=$archipelago_libs" >> $config_host_mak
4893 fi
4894
4895 if test "$libssh2" = "yes" ; then
4896   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
4897   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
4898   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
4899 fi
4900
4901 if test "$quorum" = "yes" ; then
4902   echo "CONFIG_QUORUM=y" >> $config_host_mak
4903 fi
4904
4905 if test "$vhdx" = "yes" ; then
4906   echo "CONFIG_VHDX=y" >> $config_host_mak
4907 fi
4908
4909 # USB host support
4910 if test "$libusb" = "yes"; then
4911   echo "HOST_USB=libusb legacy" >> $config_host_mak
4912 else
4913   echo "HOST_USB=stub" >> $config_host_mak
4914 fi
4915
4916 # TPM passthrough support?
4917 if test "$tpm" = "yes"; then
4918   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
4919   if test "$tpm_passthrough" = "yes"; then
4920     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
4921   fi
4922 fi
4923
4924 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
4925 if have_backend "nop"; then
4926   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
4927 fi
4928 if have_backend "simple"; then
4929   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
4930   # Set the appropriate trace file.
4931   trace_file="\"$trace_file-\" FMT_pid"
4932 fi
4933 if have_backend "stderr"; then
4934   echo "CONFIG_TRACE_STDERR=y" >> $config_host_mak
4935 fi
4936 if have_backend "ust"; then
4937   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
4938 fi
4939 if have_backend "dtrace"; then
4940   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
4941   if test "$trace_backend_stap" = "yes" ; then
4942     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
4943   fi
4944 fi
4945 if have_backend "ftrace"; then
4946   if test "$linux" = "yes" ; then
4947     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
4948   else
4949     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
4950   fi
4951 fi
4952 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
4953
4954 if test "$rdma" = "yes" ; then
4955   echo "CONFIG_RDMA=y" >> $config_host_mak
4956 fi
4957
4958 # Hold two types of flag:
4959 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
4960 #                                     a thread we have a handle to
4961 #   CONFIG_PTHREAD_SETNAME_NP       - A way of doing it on a particular
4962 #                                     platform
4963 if test "$pthread_setname_np" = "yes" ; then
4964   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
4965   echo "CONFIG_PTHREAD_SETNAME_NP=y" >> $config_host_mak
4966 fi
4967
4968 if test "$tcg_interpreter" = "yes"; then
4969   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
4970 elif test "$ARCH" = "sparc64" ; then
4971   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
4972 elif test "$ARCH" = "s390x" ; then
4973   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
4974 elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
4975   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
4976 elif test "$ARCH" = "ppc64" ; then
4977   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
4978 else
4979   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
4980 fi
4981 QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
4982
4983 echo "TOOLS=$tools" >> $config_host_mak
4984 echo "ROMS=$roms" >> $config_host_mak
4985 echo "MAKE=$make" >> $config_host_mak
4986 echo "INSTALL=$install" >> $config_host_mak
4987 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
4988 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
4989 if test -n "$libtool"; then
4990   echo "INSTALL_PROG=\$(LIBTOOL) --mode=install $install -c -m 0755" >> $config_host_mak
4991   echo "INSTALL_LIB=\$(LIBTOOL) --mode=install $install -c -m 0644" >> $config_host_mak
4992 else
4993   echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
4994   echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
4995 fi
4996 echo "PYTHON=$python" >> $config_host_mak
4997 echo "CC=$cc" >> $config_host_mak
4998 if $iasl -h > /dev/null 2>&1; then
4999   echo "IASL=$iasl" >> $config_host_mak
5000 fi
5001 echo "CC_I386=$cc_i386" >> $config_host_mak
5002 echo "HOST_CC=$host_cc" >> $config_host_mak
5003 echo "CXX=$cxx" >> $config_host_mak
5004 echo "OBJCC=$objcc" >> $config_host_mak
5005 echo "AR=$ar" >> $config_host_mak
5006 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
5007 echo "AS=$as" >> $config_host_mak
5008 echo "CPP=$cpp" >> $config_host_mak
5009 echo "OBJCOPY=$objcopy" >> $config_host_mak
5010 echo "LD=$ld" >> $config_host_mak
5011 echo "NM=$nm" >> $config_host_mak
5012 echo "WINDRES=$windres" >> $config_host_mak
5013 echo "LIBTOOL=$libtool" >> $config_host_mak
5014 echo "CFLAGS=$CFLAGS" >> $config_host_mak
5015 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
5016 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
5017 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
5018 if test "$sparse" = "yes" ; then
5019   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
5020   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
5021   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
5022   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
5023   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
5024 fi
5025 if test "$cross_prefix" != ""; then
5026   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
5027 else
5028   echo "AUTOCONF_HOST := "                             >> $config_host_mak
5029 fi
5030 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
5031 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
5032 echo "LIBTOOLFLAGS=$LIBTOOLFLAGS" >> $config_host_mak
5033 echo "LIBS+=$LIBS" >> $config_host_mak
5034 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
5035 echo "EXESUF=$EXESUF" >> $config_host_mak
5036 echo "DSOSUF=$DSOSUF" >> $config_host_mak
5037 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
5038 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
5039 echo "POD2MAN=$POD2MAN" >> $config_host_mak
5040 echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
5041 if test "$gcov" = "yes" ; then
5042   echo "CONFIG_GCOV=y" >> $config_host_mak
5043   echo "GCOV=$gcov_tool" >> $config_host_mak
5044 fi
5045
5046 # use included Linux headers
5047 if test "$linux" = "yes" ; then
5048   mkdir -p linux-headers
5049   case "$cpu" in
5050   i386|x86_64|x32)
5051     linux_arch=x86
5052     ;;
5053   ppcemb|ppc|ppc64)
5054     linux_arch=powerpc
5055     ;;
5056   s390x)
5057     linux_arch=s390
5058     ;;
5059   aarch64)
5060     linux_arch=arm64
5061     ;;
5062   mips64)
5063     linux_arch=mips
5064     ;;
5065   *)
5066     # For most CPUs the kernel architecture name and QEMU CPU name match.
5067     linux_arch="$cpu"
5068     ;;
5069   esac
5070     # For non-KVM architectures we will not have asm headers
5071     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
5072       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
5073     fi
5074 fi
5075
5076 for target in $target_list; do
5077 target_dir="$target"
5078 config_target_mak=$target_dir/config-target.mak
5079 target_name=`echo $target | cut -d '-' -f 1`
5080 target_bigendian="no"
5081
5082 case "$target_name" in
5083   armeb|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or32|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
5084   target_bigendian=yes
5085   ;;
5086 esac
5087 target_softmmu="no"
5088 target_user_only="no"
5089 target_linux_user="no"
5090 target_bsd_user="no"
5091 case "$target" in
5092   ${target_name}-softmmu)
5093     target_softmmu="yes"
5094     ;;
5095   ${target_name}-linux-user)
5096     if test "$linux" != "yes" ; then
5097       error_exit "Target '$target' is only available on a Linux host"
5098     fi
5099     target_user_only="yes"
5100     target_linux_user="yes"
5101     ;;
5102   ${target_name}-bsd-user)
5103     if test "$bsd" != "yes" ; then
5104       error_exit "Target '$target' is only available on a BSD host"
5105     fi
5106     target_user_only="yes"
5107     target_bsd_user="yes"
5108     ;;
5109   *)
5110     error_exit "Target '$target' not recognised"
5111     exit 1
5112     ;;
5113 esac
5114
5115 mkdir -p $target_dir
5116 echo "# Automatically generated by configure - do not modify" > $config_target_mak
5117
5118 bflt="no"
5119 interp_prefix1=`echo "$interp_prefix" | sed "s/%M/$target_name/g"`
5120 gdb_xml_files=""
5121
5122 TARGET_ARCH="$target_name"
5123 TARGET_BASE_ARCH=""
5124 TARGET_ABI_DIR=""
5125
5126 case "$target_name" in
5127   i386)
5128   ;;
5129   x86_64)
5130     TARGET_BASE_ARCH=i386
5131   ;;
5132   alpha)
5133   ;;
5134   arm|armeb)
5135     TARGET_ARCH=arm
5136     bflt="yes"
5137     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
5138   ;;
5139   aarch64)
5140     TARGET_BASE_ARCH=arm
5141     bflt="yes"
5142     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
5143   ;;
5144   cris)
5145   ;;
5146   lm32)
5147   ;;
5148   m68k)
5149     bflt="yes"
5150     gdb_xml_files="cf-core.xml cf-fp.xml"
5151   ;;
5152   microblaze|microblazeel)
5153     TARGET_ARCH=microblaze
5154     bflt="yes"
5155   ;;
5156   mips|mipsel)
5157     TARGET_ARCH=mips
5158     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
5159   ;;
5160   mipsn32|mipsn32el)
5161     TARGET_ARCH=mips64
5162     TARGET_BASE_ARCH=mips
5163     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
5164     echo "TARGET_ABI32=y" >> $config_target_mak
5165   ;;
5166   mips64|mips64el)
5167     TARGET_ARCH=mips64
5168     TARGET_BASE_ARCH=mips
5169     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
5170   ;;
5171   tricore)
5172   ;;
5173   moxie)
5174   ;;
5175   or32)
5176     TARGET_ARCH=openrisc
5177     TARGET_BASE_ARCH=openrisc
5178   ;;
5179   ppc)
5180     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5181   ;;
5182   ppcemb)
5183     TARGET_BASE_ARCH=ppc
5184     TARGET_ABI_DIR=ppc
5185     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5186   ;;
5187   ppc64)
5188     TARGET_BASE_ARCH=ppc
5189     TARGET_ABI_DIR=ppc
5190     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5191   ;;
5192   ppc64le)
5193     TARGET_ARCH=ppc64
5194     TARGET_BASE_ARCH=ppc
5195     TARGET_ABI_DIR=ppc
5196     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5197   ;;
5198   ppc64abi32)
5199     TARGET_ARCH=ppc64
5200     TARGET_BASE_ARCH=ppc
5201     TARGET_ABI_DIR=ppc
5202     echo "TARGET_ABI32=y" >> $config_target_mak
5203     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5204   ;;
5205   sh4|sh4eb)
5206     TARGET_ARCH=sh4
5207     bflt="yes"
5208   ;;
5209   sparc)
5210   ;;
5211   sparc64)
5212     TARGET_BASE_ARCH=sparc
5213   ;;
5214   sparc32plus)
5215     TARGET_ARCH=sparc64
5216     TARGET_BASE_ARCH=sparc
5217     TARGET_ABI_DIR=sparc
5218     echo "TARGET_ABI32=y" >> $config_target_mak
5219   ;;
5220   s390x)
5221     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml"
5222   ;;
5223   unicore32)
5224   ;;
5225   xtensa|xtensaeb)
5226     TARGET_ARCH=xtensa
5227   ;;
5228   *)
5229     error_exit "Unsupported target CPU"
5230   ;;
5231 esac
5232 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
5233 if [ "$TARGET_BASE_ARCH" = "" ]; then
5234   TARGET_BASE_ARCH=$TARGET_ARCH
5235 fi
5236
5237 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
5238
5239 upper() {
5240     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
5241 }
5242
5243 target_arch_name="`upper $TARGET_ARCH`"
5244 echo "TARGET_$target_arch_name=y" >> $config_target_mak
5245 echo "TARGET_NAME=$target_name" >> $config_target_mak
5246 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
5247 if [ "$TARGET_ABI_DIR" = "" ]; then
5248   TARGET_ABI_DIR=$TARGET_ARCH
5249 fi
5250 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
5251 if [ "$HOST_VARIANT_DIR" != "" ]; then
5252     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
5253 fi
5254 case "$target_name" in
5255   i386|x86_64)
5256     if test "$xen" = "yes" -a "$target_softmmu" = "yes" ; then
5257       echo "CONFIG_XEN=y" >> $config_target_mak
5258       if test "$xen_pci_passthrough" = yes; then
5259         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
5260       fi
5261     fi
5262     ;;
5263   *)
5264 esac
5265 case "$target_name" in
5266   aarch64|arm|i386|x86_64|ppcemb|ppc|ppc64|s390x|mipsel|mips)
5267     # Make sure the target and host cpus are compatible
5268     if test "$kvm" = "yes" -a "$target_softmmu" = "yes" -a \
5269       \( "$target_name" = "$cpu" -o \
5270       \( "$target_name" = "ppcemb" -a "$cpu" = "ppc" \) -o \
5271       \( "$target_name" = "ppc64"  -a "$cpu" = "ppc" \) -o \
5272       \( "$target_name" = "ppc"    -a "$cpu" = "ppc64" \) -o \
5273       \( "$target_name" = "ppcemb" -a "$cpu" = "ppc64" \) -o \
5274       \( "$target_name" = "mipsel" -a "$cpu" = "mips" \) -o \
5275       \( "$target_name" = "x86_64" -a "$cpu" = "i386"   \) -o \
5276       \( "$target_name" = "i386"   -a "$cpu" = "x86_64" \) -o \
5277       \( "$target_name" = "x86_64" -a "$cpu" = "x32"   \) -o \
5278       \( "$target_name" = "i386"   -a "$cpu" = "x32" \) \) ; then
5279       echo "CONFIG_KVM=y" >> $config_target_mak
5280       if test "$vhost_net" = "yes" ; then
5281         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
5282       fi
5283     fi
5284 esac
5285 if test "$target_bigendian" = "yes" ; then
5286   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
5287 fi
5288 if test "$target_softmmu" = "yes" ; then
5289   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
5290 fi
5291 if test "$target_user_only" = "yes" ; then
5292   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
5293   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
5294 fi
5295 if test "$target_linux_user" = "yes" ; then
5296   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
5297 fi
5298 list=""
5299 if test ! -z "$gdb_xml_files" ; then
5300   for x in $gdb_xml_files; do
5301     list="$list $source_path/gdb-xml/$x"
5302   done
5303   echo "TARGET_XML_FILES=$list" >> $config_target_mak
5304 fi
5305
5306 if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
5307   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
5308 fi
5309 if test "$target_user_only" = "yes" -a "$guest_base" = "yes"; then
5310   echo "CONFIG_USE_GUEST_BASE=y" >> $config_target_mak
5311 fi
5312 if test "$target_bsd_user" = "yes" ; then
5313   echo "CONFIG_BSD_USER=y" >> $config_target_mak
5314 fi
5315
5316 # generate QEMU_CFLAGS/LDFLAGS for targets
5317
5318 cflags=""
5319 ldflags=""
5320
5321 for i in $ARCH $TARGET_BASE_ARCH ; do
5322   case "$i" in
5323   alpha)
5324     echo "CONFIG_ALPHA_DIS=y"  >> $config_target_mak
5325     echo "CONFIG_ALPHA_DIS=y"  >> config-all-disas.mak
5326   ;;
5327   aarch64)
5328     if test -n "${cxx}"; then
5329       echo "CONFIG_ARM_A64_DIS=y"  >> $config_target_mak
5330       echo "CONFIG_ARM_A64_DIS=y"  >> config-all-disas.mak
5331     fi
5332   ;;
5333   arm)
5334     echo "CONFIG_ARM_DIS=y"  >> $config_target_mak
5335     echo "CONFIG_ARM_DIS=y"  >> config-all-disas.mak
5336     if test -n "${cxx}"; then
5337       echo "CONFIG_ARM_A64_DIS=y"  >> $config_target_mak
5338       echo "CONFIG_ARM_A64_DIS=y"  >> config-all-disas.mak
5339     fi
5340   ;;
5341   cris)
5342     echo "CONFIG_CRIS_DIS=y"  >> $config_target_mak
5343     echo "CONFIG_CRIS_DIS=y"  >> config-all-disas.mak
5344   ;;
5345   hppa)
5346     echo "CONFIG_HPPA_DIS=y"  >> $config_target_mak
5347     echo "CONFIG_HPPA_DIS=y"  >> config-all-disas.mak
5348   ;;
5349   i386|x86_64|x32)
5350     echo "CONFIG_I386_DIS=y"  >> $config_target_mak
5351     echo "CONFIG_I386_DIS=y"  >> config-all-disas.mak
5352   ;;
5353   ia64*)
5354     echo "CONFIG_IA64_DIS=y"  >> $config_target_mak
5355     echo "CONFIG_IA64_DIS=y"  >> config-all-disas.mak
5356   ;;
5357   lm32)
5358     echo "CONFIG_LM32_DIS=y"  >> $config_target_mak
5359     echo "CONFIG_LM32_DIS=y"  >> config-all-disas.mak
5360   ;;
5361   m68k)
5362     echo "CONFIG_M68K_DIS=y"  >> $config_target_mak
5363     echo "CONFIG_M68K_DIS=y"  >> config-all-disas.mak
5364   ;;
5365   microblaze*)
5366     echo "CONFIG_MICROBLAZE_DIS=y"  >> $config_target_mak
5367     echo "CONFIG_MICROBLAZE_DIS=y"  >> config-all-disas.mak
5368   ;;
5369   mips*)
5370     echo "CONFIG_MIPS_DIS=y"  >> $config_target_mak
5371     echo "CONFIG_MIPS_DIS=y"  >> config-all-disas.mak
5372   ;;
5373   moxie*)
5374     echo "CONFIG_MOXIE_DIS=y"  >> $config_target_mak
5375     echo "CONFIG_MOXIE_DIS=y"  >> config-all-disas.mak
5376   ;;
5377   or32)
5378     echo "CONFIG_OPENRISC_DIS=y"  >> $config_target_mak
5379     echo "CONFIG_OPENRISC_DIS=y"  >> config-all-disas.mak
5380   ;;
5381   ppc*)
5382     echo "CONFIG_PPC_DIS=y"  >> $config_target_mak
5383     echo "CONFIG_PPC_DIS=y"  >> config-all-disas.mak
5384   ;;
5385   s390*)
5386     echo "CONFIG_S390_DIS=y"  >> $config_target_mak
5387     echo "CONFIG_S390_DIS=y"  >> config-all-disas.mak
5388   ;;
5389   sh4)
5390     echo "CONFIG_SH4_DIS=y"  >> $config_target_mak
5391     echo "CONFIG_SH4_DIS=y"  >> config-all-disas.mak
5392   ;;
5393   sparc*)
5394     echo "CONFIG_SPARC_DIS=y"  >> $config_target_mak
5395     echo "CONFIG_SPARC_DIS=y"  >> config-all-disas.mak
5396   ;;
5397   xtensa*)
5398     echo "CONFIG_XTENSA_DIS=y"  >> $config_target_mak
5399     echo "CONFIG_XTENSA_DIS=y"  >> config-all-disas.mak
5400   ;;
5401   esac
5402 done
5403 if test "$tcg_interpreter" = "yes" ; then
5404   echo "CONFIG_TCI_DIS=y"  >> $config_target_mak
5405   echo "CONFIG_TCI_DIS=y"  >> config-all-disas.mak
5406 fi
5407
5408 case "$ARCH" in
5409 alpha)
5410   # Ensure there's only a single GP
5411   cflags="-msmall-data $cflags"
5412 ;;
5413 esac
5414
5415 if test "$gprof" = "yes" ; then
5416   echo "TARGET_GPROF=yes" >> $config_target_mak
5417   if test "$target_linux_user" = "yes" ; then
5418     cflags="-p $cflags"
5419     ldflags="-p $ldflags"
5420   fi
5421   if test "$target_softmmu" = "yes" ; then
5422     ldflags="-p $ldflags"
5423     echo "GPROF_CFLAGS=-p" >> $config_target_mak
5424   fi
5425 fi
5426
5427 if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
5428   ldflags="$ldflags $textseg_ldflags"
5429 fi
5430
5431 echo "LDFLAGS+=$ldflags" >> $config_target_mak
5432 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
5433
5434 done # for target in $targets
5435
5436 if [ "$pixman" = "internal" ]; then
5437   echo "config-host.h: subdir-pixman" >> $config_host_mak
5438 fi
5439
5440 if test "$rdma" = "yes" ; then
5441 echo "CONFIG_RDMA=y" >> $config_host_mak
5442 fi
5443
5444 if [ "$dtc_internal" = "yes" ]; then
5445   echo "config-host.h: subdir-dtc" >> $config_host_mak
5446 fi
5447
5448 if test "$numa" = "yes"; then
5449   echo "CONFIG_NUMA=y" >> $config_host_mak
5450 fi
5451
5452 # build tree in object directory in case the source is not in the current directory
5453 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests"
5454 DIRS="$DIRS fsdev"
5455 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
5456 DIRS="$DIRS roms/seabios roms/vgabios"
5457 DIRS="$DIRS qapi-generated"
5458 FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
5459 FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
5460 FILES="$FILES tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
5461 FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
5462 FILES="$FILES pc-bios/spapr-rtas/Makefile"
5463 FILES="$FILES pc-bios/s390-ccw/Makefile"
5464 FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
5465 FILES="$FILES pc-bios/qemu-icon.bmp"
5466 for bios_file in \
5467     $source_path/pc-bios/*.bin \
5468     $source_path/pc-bios/*.aml \
5469     $source_path/pc-bios/*.rom \
5470     $source_path/pc-bios/*.dtb \
5471     $source_path/pc-bios/*.img \
5472     $source_path/pc-bios/openbios-* \
5473     $source_path/pc-bios/u-boot.* \
5474     $source_path/pc-bios/palcode-*
5475 do
5476     FILES="$FILES pc-bios/`basename $bios_file`"
5477 done
5478 for test_file in `find $source_path/tests/acpi-test-data -type f`
5479 do
5480     FILES="$FILES tests/acpi-test-data`echo $test_file | sed -e 's/.*acpi-test-data//'`"
5481 done
5482 mkdir -p $DIRS
5483 for f in $FILES ; do
5484     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
5485         symlink "$source_path/$f" "$f"
5486     fi
5487 done
5488
5489 # temporary config to build submodules
5490 for rom in seabios vgabios ; do
5491     config_mak=roms/$rom/config.mak
5492     echo "# Automatically generated by configure - do not modify" > $config_mak
5493     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
5494     echo "AS=$as" >> $config_mak
5495     echo "CC=$cc" >> $config_mak
5496     echo "BCC=bcc" >> $config_mak
5497     echo "CPP=$cpp" >> $config_mak
5498     echo "OBJCOPY=objcopy" >> $config_mak
5499     echo "IASL=$iasl" >> $config_mak
5500     echo "LD=$ld" >> $config_mak
5501 done
5502
5503 # set up qemu-iotests in this build directory
5504 iotests_common_env="tests/qemu-iotests/common.env"
5505 iotests_check="tests/qemu-iotests/check"
5506
5507 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
5508 echo >> "$iotests_common_env"
5509 echo "export PYTHON='$python'" >> "$iotests_common_env"
5510
5511 if [ ! -e "$iotests_check" ]; then
5512     symlink "$source_path/$iotests_check" "$iotests_check"
5513 fi
5514
5515 # Save the configure command line for later reuse.
5516 cat <<EOD >config.status
5517 #!/bin/sh
5518 # Generated by configure.
5519 # Run this file to recreate the current configuration.
5520 # Compiler output produced by configure, useful for debugging
5521 # configure, is in config.log if it exists.
5522 EOD
5523 printf "exec" >>config.status
5524 printf " '%s'" "$0" "$@" >>config.status
5525 echo >>config.status
5526 chmod +x config.status
5527
5528 rm -r "$TMPDIR1"