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   local_cflags="$1"
 107   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 108 }
 109
 110 compile_prog() {
 111   local_cflags="$1"
 112   local_ldflags="$2"
 113   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 114 }
 115
 116 do_libtool() {
 117     local mode=$1
 118     shift
 119     # Run the compiler, capturing its output to the log.
 120     echo $libtool $mode --tag=CC $cc "$@" >> config.log
 121     $libtool $mode --tag=CC $cc "$@" >> config.log 2>&1 || return $?
 122     # Test passed. If this is an --enable-werror build, rerun
 123     # the test with -Werror and bail out if it fails. This
 124     # makes warning-generating-errors in configure test code
 125     # obvious to developers.
 126     if test "$werror" != "yes"; then
 127         return 0
 128     fi
 129     # Don't bother rerunning the compile if we were already using -Werror
 130     case "$*" in
 131         *-Werror*)
 132            return 0
 133         ;;
 134     esac
 135     echo $libtool $mode --tag=CC $cc -Werror "$@" >> config.log
 136     $libtool $mode --tag=CC $cc -Werror "$@" >> config.log 2>&1 && return $?
 137     error_exit "configure test passed without -Werror but failed with -Werror." \
 138         "This is probably a bug in the configure script. The failing command" \
 139         "will be at the bottom of config.log." \
 140         "You can run configure with --disable-werror to bypass this check."
 141 }
 142
 143 libtool_prog() {
 144     do_libtool --mode=compile $QEMU_CFLAGS -c -fPIE -DPIE -o $TMPO $TMPC || return $?
 145     do_libtool --mode=link $LDFLAGS -o $TMPA $TMPL -rpath /usr/local/lib
 146 }
 147
 148 # symbolically link $1 to $2.  Portable version of "ln -sf".
 149 symlink() {
 150   rm -rf "$2"
 151   mkdir -p "$(dirname "$2")"
 152   ln -s "$1" "$2"
 153 }
 154
 155 # check whether a command is available to this shell (may be either an
 156 # executable or a builtin)
 157 has() {
 158     type "$1" >/dev/null 2>&1
 159 }
 160
 161 # search for an executable in PATH
 162 path_of() {
 163     local_command="$1"
 164     local_ifs="$IFS"
 165     local_dir=""
 166
 167     # pathname has a dir component?
 168     if [ "${local_command#*/}" != "$local_command" ]; then
 169         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 170             echo "$local_command"
 171             return 0
 172         fi
 173     fi
 174     if [ -z "$local_command" ]; then
 175         return 1
 176     fi
 177
 178     IFS=:
 179     for local_dir in $PATH; do
 180         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 181             echo "$local_dir/$local_command"
 182             IFS="${local_ifs:-$(printf ' \t\n')}"
 183             return 0
 184         fi
 185     done
 186     # not found
 187     IFS="${local_ifs:-$(printf ' \t\n')}"
 188     return 1
 189 }
 190
 191 have_backend () {
 192     echo "$trace_backends" | grep "$1" >/dev/null
 193 }
 194
 195 # default parameters
 196 source_path=`dirname "$0"`
 197 cpu=""
 198 iasl="iasl"
 199 interp_prefix="/usr/gnemul/qemu-%M"
 200 static="no"
 201 cross_prefix=""
 202 audio_drv_list=""
 203 block_drv_rw_whitelist=""
 204 block_drv_ro_whitelist=""
 205 host_cc="cc"
 206 libs_softmmu=""
 207 libs_tools=""
 208 audio_pt_int=""
 209 audio_win_int=""
 210 cc_i386=i386-pc-linux-gnu-gcc
 211 libs_qga=""
 212 debug_info="yes"
 213 stack_protector=""
 214
 215 # Don't accept a target_list environment variable.
 216 unset target_list
 217
 218 # Default value for a variable defining feature "foo".
 219 #  * foo="no"  feature will only be used if --enable-foo arg is given
 220 #  * foo=""    feature will be searched for, and if found, will be used
 221 #              unless --disable-foo is given
 222 #  * foo="yes" this value will only be set by --enable-foo flag.
 223 #              feature will searched for,
 224 #              if not found, configure exits with error
 225 #
 226 # Always add --enable-foo and --disable-foo command line args.
 227 # Distributions want to ensure that several features are compiled in, and it
 228 # is impossible without a --enable-foo that exits if a feature is not found.
 229
 230 bluez=""
 231 brlapi=""
 232 curl=""
 233 curses=""
 234 docs=""
 235 fdt=""
 236 netmap="no"
 237 pixman=""
 238 sdl=""
 239 sdlabi="1.2"
 240 virtfs=""
 241 vnc="yes"
 242 sparse="no"
 243 uuid=""
 244 vde=""
 245 vnc_tls=""
 246 vnc_sasl=""
 247 vnc_jpeg=""
 248 vnc_png=""
 249 vnc_ws=""
 250 xen=""
 251 xen_ctrl_version=""
 252 xen_pci_passthrough=""
 253 linux_aio=""
 254 cap_ng=""
 255 attr=""
 256 libattr=""
 257 xfs=""
 258
 259 vhost_net="no"
 260 vhost_scsi="no"
 261 kvm="no"
 262 rdma=""
 263 gprof="no"
 264 debug_tcg="no"
 265 debug="no"
 266 strip_opt="yes"
 267 tcg_interpreter="no"
 268 bigendian="no"
 269 mingw32="no"
 270 gcov="no"
 271 gcov_tool="gcov"
 272 EXESUF=""
 273 DSOSUF=".so"
 274 LDFLAGS_SHARED="-shared"
 275 modules="no"
 276 prefix="/usr/local"
 277 mandir="\${prefix}/share/man"
 278 datadir="\${prefix}/share"
 279 qemu_docdir="\${prefix}/share/doc/qemu"
 280 bindir="\${prefix}/bin"
 281 libdir="\${prefix}/lib"
 282 libexecdir="\${prefix}/libexec"
 283 includedir="\${prefix}/include"
 284 sysconfdir="\${prefix}/etc"
 285 local_statedir="\${prefix}/var"
 286 confsuffix="/qemu"
 287 slirp="yes"
 288 oss_lib=""
 289 bsd="no"
 290 linux="no"
 291 solaris="no"
 292 profiler="no"
 293 cocoa="no"
 294 softmmu="yes"
 295 linux_user="no"
 296 bsd_user="no"
 297 guest_base="yes"
 298 aix="no"
 299 blobs="yes"
 300 pkgversion=""
 301 pie=""
 302 zero_malloc=""
 303 qom_cast_debug="yes"
 304 trace_backends="nop"
 305 trace_file="trace"
 306 spice=""
 307 rbd=""
 308 smartcard_nss=""
 309 libusb=""
 310 usb_redir=""
 311 opengl=""
 312 zlib="yes"
 313 lzo=""
 314 snappy=""
 315 bzip2=""
 316 guest_agent=""
 317 guest_agent_with_vss="no"
 318 guest_agent_msi=""
 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="no"
 331 gtk=""
 332 gtkabi=""
 333 vte=""
 334 tpm="yes"
 335 libssh2=""
 336 vhdx=""
 337 quorum=""
 338 numa=""
 339 tcmalloc="no"
 340
 341 # parse CC options first
 342 for opt do
 343   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
 344   case "$opt" in
 345   --cross-prefix=*) cross_prefix="$optarg"
 346   ;;
 347   --cc=*) CC="$optarg"
 348   ;;
 349   --cxx=*) CXX="$optarg"
 350   ;;
 351   --source-path=*) source_path="$optarg"
 352   ;;
 353   --cpu=*) cpu="$optarg"
 354   ;;
 355   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 356                     EXTRA_CFLAGS="$optarg"
 357   ;;
 358   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 359                      EXTRA_LDFLAGS="$optarg"
 360   ;;
 361   --enable-debug-info) debug_info="yes"
 362   ;;
 363   --disable-debug-info) debug_info="no"
 364   ;;
 365   esac
 366 done
 367 # OS specific
 368 # Using uname is really, really broken.  Once we have the right set of checks
 369 # we can eliminate its usage altogether.
 370
 371 # Preferred compiler:
 372 #  ${CC} (if set)
 373 #  ${cross_prefix}gcc (if cross-prefix specified)
 374 #  system compiler
 375 if test -z "${CC}${cross_prefix}"; then
 376   cc="$host_cc"
 377 else
 378   cc="${CC-${cross_prefix}gcc}"
 379 fi
 380
 381 if test -z "${CXX}${cross_prefix}"; then
 382   cxx="c++"
 383 else
 384   cxx="${CXX-${cross_prefix}g++}"
 385 fi
 386
 387 ar="${AR-${cross_prefix}ar}"
 388 as="${AS-${cross_prefix}as}"
 389 cpp="${CPP-$cc -E}"
 390 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 391 ld="${LD-${cross_prefix}ld}"
 392 libtool="${LIBTOOL-${cross_prefix}libtool}"
 393 nm="${NM-${cross_prefix}nm}"
 394 strip="${STRIP-${cross_prefix}strip}"
 395 windres="${WINDRES-${cross_prefix}windres}"
 396 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 397 query_pkg_config() {
 398     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 399 }
 400 pkg_config=query_pkg_config
 401 sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
 402 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 403
 404 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 405 ARFLAGS="${ARFLAGS-rv}"
 406
 407 # default flags for all hosts
 408 QEMU_CFLAGS="-fno-strict-aliasing -fno-common $QEMU_CFLAGS"
 409 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 410 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 411 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 412 QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/include"
 413 if test "$debug_info" = "yes"; then
 414     CFLAGS="-g $CFLAGS"
 415     LDFLAGS="-g $LDFLAGS"
 416 fi
 417
 418 # make source path absolute
 419 source_path=`cd "$source_path"; pwd`
 420
 421 # running configure in the source tree?
 422 # we know that's the case if configure is there.
 423 if test -f "./configure"; then
 424     pwd_is_source_path="y"
 425 else
 426     pwd_is_source_path="n"
 427 fi
 428
 429 check_define() {
 430 cat > $TMPC <<EOF
 431 #if !defined($1)
 432 #error $1 not defined
 433 #endif
 434 int main(void) { return 0; }
 435 EOF
 436   compile_object
 437 }
 438
 439 check_include() {
 440 cat > $TMPC <<EOF
 441 #include <$1>
 442 int main(void) { return 0; }
 443 EOF
 444   compile_object
 445 }
 446
 447 write_c_skeleton() {
 448     cat > $TMPC <<EOF
 449 int main(void) { return 0; }
 450 EOF
 451 }
 452
 453 if check_define __linux__ ; then
 454   targetos="Linux"
 455 elif check_define _WIN32 ; then
 456   targetos='MINGW32'
 457 elif check_define __OpenBSD__ ; then
 458   targetos='OpenBSD'
 459 elif check_define __sun__ ; then
 460   targetos='SunOS'
 461 elif check_define __HAIKU__ ; then
 462   targetos='Haiku'
 463 else
 464   targetos=`uname -s`
 465 fi
 466
 467 # Some host OSes need non-standard checks for which CPU to use.
 468 # Note that these checks are broken for cross-compilation: if you're
 469 # cross-compiling to one of these OSes then you'll need to specify
 470 # the correct CPU with the --cpu option.
 471 case $targetos in
 472 Darwin)
 473   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 474   # run 64-bit userspace code.
 475   # If the user didn't specify a CPU explicitly and the kernel says this is
 476   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 477   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 478     cpu="x86_64"
 479   fi
 480   ;;
 481 SunOS)
 482   # `uname -m` returns i86pc even on an x86_64 box, so default based on isainfo
 483   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 484     cpu="x86_64"
 485   fi
 486 esac
 487
 488 if test ! -z "$cpu" ; then
 489   # command line argument
 490   :
 491 elif check_define __i386__ ; then
 492   cpu="i386"
 493 elif check_define __x86_64__ ; then
 494   if check_define __ILP32__ ; then
 495     cpu="x32"
 496   else
 497     cpu="x86_64"
 498   fi
 499 elif check_define __sparc__ ; then
 500   if check_define __arch64__ ; then
 501     cpu="sparc64"
 502   else
 503     cpu="sparc"
 504   fi
 505 elif check_define _ARCH_PPC ; then
 506   if check_define _ARCH_PPC64 ; then
 507     cpu="ppc64"
 508   else
 509     cpu="ppc"
 510   fi
 511 elif check_define __mips__ ; then
 512   cpu="mips"
 513 elif check_define __ia64__ ; then
 514   cpu="ia64"
 515 elif check_define __s390__ ; then
 516   if check_define __s390x__ ; then
 517     cpu="s390x"
 518   else
 519     cpu="s390"
 520   fi
 521 elif check_define __arm__ ; then
 522   cpu="arm"
 523 elif check_define __aarch64__ ; then
 524   cpu="aarch64"
 525 elif check_define __hppa__ ; then
 526   cpu="hppa"
 527 else
 528   cpu=`uname -m`
 529 fi
 530
 531 ARCH=
 532 # Normalise host CPU name and set ARCH.
 533 # Note that this case should only have supported host CPUs, not guests.
 534 case "$cpu" in
 535   ia64|ppc|ppc64|s390|s390x|sparc64|x32)
 536     cpu="$cpu"
 537   ;;
 538   i386|i486|i586|i686|i86pc|BePC)
 539     cpu="i386"
 540   ;;
 541   x86_64|amd64)
 542     cpu="x86_64"
 543   ;;
 544   armv*b|armv*l|arm)
 545     cpu="arm"
 546   ;;
 547   aarch64)
 548     cpu="aarch64"
 549   ;;
 550   mips*)
 551     cpu="mips"
 552   ;;
 553   sparc|sun4[cdmuv])
 554     cpu="sparc"
 555   ;;
 556   *)
 557     # This will result in either an error or falling back to TCI later
 558     ARCH=unknown
 559   ;;
 560 esac
 561 if test -z "$ARCH"; then
 562   ARCH="$cpu"
 563 fi
 564
 565 # OS specific
 566
 567 # host *BSD for user mode
 568 HOST_VARIANT_DIR=""
 569
 570 case $targetos in
 571 CYGWIN*)
 572   mingw32="yes"
 573   QEMU_CFLAGS="-mno-cygwin $QEMU_CFLAGS"
 574   audio_possible_drivers="sdl"
 575   audio_drv_list="sdl"
 576 ;;
 577 MINGW32*)
 578   mingw32="yes"
 579   audio_possible_drivers="dsound sdl"
 580   if check_include dsound.h; then
 581     audio_drv_list="dsound"
 582   else
 583     audio_drv_list=""
 584   fi
 585 ;;
 586 GNU/kFreeBSD)
 587   bsd="yes"
 588   audio_drv_list="oss"
 589   audio_possible_drivers="oss sdl pa"
 590 ;;
 591 FreeBSD)
 592   bsd="yes"
 593   make="${MAKE-gmake}"
 594   audio_drv_list="oss"
 595   audio_possible_drivers="oss sdl pa"
 596   # needed for kinfo_getvmmap(3) in libutil.h
 597   LIBS="-lutil $LIBS"
 598   netmap=""  # enable netmap autodetect
 599   HOST_VARIANT_DIR="freebsd"
 600 ;;
 601 DragonFly)
 602   bsd="yes"
 603   make="${MAKE-gmake}"
 604   audio_drv_list="oss"
 605   audio_possible_drivers="oss sdl pa"
 606   HOST_VARIANT_DIR="dragonfly"
 607 ;;
 608 NetBSD)
 609   bsd="yes"
 610   make="${MAKE-gmake}"
 611   audio_drv_list="oss"
 612   audio_possible_drivers="oss sdl"
 613   oss_lib="-lossaudio"
 614   HOST_VARIANT_DIR="netbsd"
 615 ;;
 616 OpenBSD)
 617   bsd="yes"
 618   make="${MAKE-gmake}"
 619   audio_drv_list="sdl"
 620   audio_possible_drivers="sdl"
 621   HOST_VARIANT_DIR="openbsd"
 622 ;;
 623 Darwin)
 624   bsd="yes"
 625   darwin="yes"
 626   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 627   if [ "$cpu" = "x86_64" ] ; then
 628     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 629     LDFLAGS="-arch x86_64 $LDFLAGS"
 630   fi
 631   cocoa="yes"
 632   audio_drv_list="coreaudio"
 633   audio_possible_drivers="coreaudio sdl"
 634   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 635   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 636   # Disable attempts to use ObjectiveC features in os/object.h since they
 637   # won't work when we're compiling with gcc as a C compiler.
 638   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 639   HOST_VARIANT_DIR="darwin"
 640 ;;
 641 SunOS)
 642   solaris="yes"
 643   make="${MAKE-gmake}"
 644   install="${INSTALL-ginstall}"
 645   ld="gld"
 646   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 647   needs_libsunmath="no"
 648   solarisrev=`uname -r | cut -f2 -d.`
 649   if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
 650     if test "$solarisrev" -le 9 ; then
 651       if test -f /opt/SUNWspro/prod/lib/libsunmath.so.1; then
 652         needs_libsunmath="yes"
 653         QEMU_CFLAGS="-I/opt/SUNWspro/prod/include/cc $QEMU_CFLAGS"
 654         LDFLAGS="-L/opt/SUNWspro/prod/lib -R/opt/SUNWspro/prod/lib $LDFLAGS"
 655         LIBS="-lsunmath $LIBS"
 656       else
 657         error_exit "QEMU will not link correctly on Solaris 8/X86 or 9/x86 without" \
 658             "libsunmath from the Sun Studio compilers tools, due to a lack of" \
 659             "C99 math features in libm.so in Solaris 8/x86 and Solaris 9/x86" \
 660             "Studio 11 can be downloaded from www.sun.com."
 661       fi
 662     fi
 663   fi
 664   if test -f /usr/include/sys/soundcard.h ; then
 665     audio_drv_list="oss"
 666   fi
 667   audio_possible_drivers="oss sdl"
 668 # needed for CMSG_ macros in sys/socket.h
 669   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 670 # needed for TIOCWIN* defines in termios.h
 671   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 672   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 673   solarisnetlibs="-lsocket -lnsl -lresolv"
 674   LIBS="$solarisnetlibs $LIBS"
 675   libs_qga="$solarisnetlibs $libs_qga"
 676 ;;
 677 AIX)
 678   aix="yes"
 679   make="${MAKE-gmake}"
 680 ;;
 681 Haiku)
 682   haiku="yes"
 683   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 684   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 685 ;;
 686 *)
 687   audio_drv_list="oss"
 688   audio_possible_drivers="oss alsa sdl pa"
 689   linux="yes"
 690   linux_user="yes"
 691   kvm="yes"
 692   vhost_net="yes"
 693   vhost_scsi="yes"
 694   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$(pwd)/linux-headers $QEMU_INCLUDES"
 695 ;;
 696 esac
 697
 698 if [ "$bsd" = "yes" ] ; then
 699   if [ "$darwin" != "yes" ] ; then
 700     bsd_user="yes"
 701   fi
 702 fi
 703
 704 : ${make=${MAKE-make}}
 705 : ${install=${INSTALL-install}}
 706 : ${python=${PYTHON-python}}
 707 : ${smbd=${SMBD-/usr/sbin/smbd}}
 708
 709 # Default objcc to clang if available, otherwise use CC
 710 if has clang; then
 711   objcc=clang
 712 else
 713   objcc="$cc"
 714 fi
 715
 716 if test "$mingw32" = "yes" ; then
 717   EXESUF=".exe"
 718   DSOSUF=".dll"
 719   QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
 720   # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
 721   QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
 722   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 723   write_c_skeleton;
 724   if compile_prog "" "-liberty" ; then
 725     LIBS="-liberty $LIBS"
 726   fi
 727   prefix="c:/Program Files/QEMU"
 728   mandir="\${prefix}"
 729   datadir="\${prefix}"
 730   qemu_docdir="\${prefix}"
 731   bindir="\${prefix}"
 732   sysconfdir="\${prefix}"
 733   local_statedir=
 734   confsuffix=""
 735   libs_qga="-lws2_32 -lwinmm -lpowrprof $libs_qga"
 736 fi
 737
 738 werror=""
 739
 740 for opt do
 741   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
 742   case "$opt" in
 743   --help|-h) show_help=yes
 744   ;;
 745   --version|-V) exec cat $source_path/VERSION
 746   ;;
 747   --prefix=*) prefix="$optarg"
 748   ;;
 749   --interp-prefix=*) interp_prefix="$optarg"
 750   ;;
 751   --source-path=*)
 752   ;;
 753   --cross-prefix=*)
 754   ;;
 755   --cc=*)
 756   ;;
 757   --host-cc=*) host_cc="$optarg"
 758   ;;
 759   --cxx=*)
 760   ;;
 761   --iasl=*) iasl="$optarg"
 762   ;;
 763   --objcc=*) objcc="$optarg"
 764   ;;
 765   --make=*) make="$optarg"
 766   ;;
 767   --install=*) install="$optarg"
 768   ;;
 769   --python=*) python="$optarg"
 770   ;;
 771   --gcov=*) gcov_tool="$optarg"
 772   ;;
 773   --smbd=*) smbd="$optarg"
 774   ;;
 775   --extra-cflags=*)
 776   ;;
 777   --extra-ldflags=*)
 778   ;;
 779   --enable-debug-info)
 780   ;;
 781   --disable-debug-info)
 782   ;;
 783   --enable-modules)
 784       modules="yes"
 785   ;;
 786   --cpu=*)
 787   ;;
 788   --target-list=*) target_list="$optarg"
 789   ;;
 790   --enable-trace-backends=*) trace_backends="$optarg"
 791   ;;
 792   # XXX: backwards compatibility
 793   --enable-trace-backend=*) trace_backends="$optarg"
 794   ;;
 795   --with-trace-file=*) trace_file="$optarg"
 796   ;;
 797   --enable-gprof) gprof="yes"
 798   ;;
 799   --enable-gcov) gcov="yes"
 800   ;;
 801   --static)
 802     static="yes"
 803     LDFLAGS="-static $LDFLAGS"
 804     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
 805   ;;
 806   --mandir=*) mandir="$optarg"
 807   ;;
 808   --bindir=*) bindir="$optarg"
 809   ;;
 810   --libdir=*) libdir="$optarg"
 811   ;;
 812   --libexecdir=*) libexecdir="$optarg"
 813   ;;
 814   --includedir=*) includedir="$optarg"
 815   ;;
 816   --datadir=*) datadir="$optarg"
 817   ;;
 818   --with-confsuffix=*) confsuffix="$optarg"
 819   ;;
 820   --docdir=*) qemu_docdir="$optarg"
 821   ;;
 822   --sysconfdir=*) sysconfdir="$optarg"
 823   ;;
 824   --localstatedir=*) local_statedir="$optarg"
 825   ;;
 826   --sbindir=*|--sharedstatedir=*|\
 827   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
 828   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 829     # These switches are silently ignored, for compatibility with
 830     # autoconf-generated configure scripts. This allows QEMU's
 831     # configure to be used by RPM and similar macros that set
 832     # lots of directory switches by default.
 833   ;;
 834   --with-system-pixman) pixman="system"
 835   ;;
 836   --without-system-pixman) pixman="internal"
 837   ;;
 838   --without-pixman) pixman="none"
 839   ;;
 840   --disable-sdl) sdl="no"
 841   ;;
 842   --enable-sdl) sdl="yes"
 843   ;;
 844   --with-sdlabi=*) sdlabi="$optarg"
 845   ;;
 846   --disable-qom-cast-debug) qom_cast_debug="no"
 847   ;;
 848   --enable-qom-cast-debug) qom_cast_debug="yes"
 849   ;;
 850   --disable-virtfs) virtfs="no"
 851   ;;
 852   --enable-virtfs) virtfs="yes"
 853   ;;
 854   --disable-vnc) vnc="no"
 855   ;;
 856   --enable-vnc) vnc="yes"
 857   ;;
 858   --oss-lib=*) oss_lib="$optarg"
 859   ;;
 860   --audio-drv-list=*) audio_drv_list="$optarg"
 861   ;;
 862   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=`echo "$optarg" | sed -e 's/,/ /g'`
 863   ;;
 864   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=`echo "$optarg" | sed -e 's/,/ /g'`
 865   ;;
 866   --enable-debug-tcg) debug_tcg="yes"
 867   ;;
 868   --disable-debug-tcg) debug_tcg="no"
 869   ;;
 870   --enable-debug)
 871       # Enable debugging options that aren't excessively noisy
 872       debug_tcg="yes"
 873       debug="yes"
 874       strip_opt="no"
 875   ;;
 876   --enable-sparse) sparse="yes"
 877   ;;
 878   --disable-sparse) sparse="no"
 879   ;;
 880   --disable-strip) strip_opt="no"
 881   ;;
 882   --disable-vnc-tls) vnc_tls="no"
 883   ;;
 884   --enable-vnc-tls) vnc_tls="yes"
 885   ;;
 886   --disable-vnc-sasl) vnc_sasl="no"
 887   ;;
 888   --enable-vnc-sasl) vnc_sasl="yes"
 889   ;;
 890   --disable-vnc-jpeg) vnc_jpeg="no"
 891   ;;
 892   --enable-vnc-jpeg) vnc_jpeg="yes"
 893   ;;
 894   --disable-vnc-png) vnc_png="no"
 895   ;;
 896   --enable-vnc-png) vnc_png="yes"
 897   ;;
 898   --disable-vnc-ws) vnc_ws="no"
 899   ;;
 900   --enable-vnc-ws) vnc_ws="yes"
 901   ;;
 902   --disable-slirp) slirp="no"
 903   ;;
 904   --disable-uuid) uuid="no"
 905   ;;
 906   --enable-uuid) uuid="yes"
 907   ;;
 908   --disable-vde) vde="no"
 909   ;;
 910   --enable-vde) vde="yes"
 911   ;;
 912   --disable-netmap) netmap="no"
 913   ;;
 914   --enable-netmap) netmap="yes"
 915   ;;
 916   --disable-xen) xen="no"
 917   ;;
 918   --enable-xen) xen="yes"
 919   ;;
 920   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
 921   ;;
 922   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
 923   ;;
 924   --disable-brlapi) brlapi="no"
 925   ;;
 926   --enable-brlapi) brlapi="yes"
 927   ;;
 928   --disable-bluez) bluez="no"
 929   ;;
 930   --enable-bluez) bluez="yes"
 931   ;;
 932   --disable-kvm) kvm="no"
 933   ;;
 934   --enable-kvm) kvm="yes"
 935   ;;
 936   --disable-tcg-interpreter) tcg_interpreter="no"
 937   ;;
 938   --enable-tcg-interpreter) tcg_interpreter="yes"
 939   ;;
 940   --disable-cap-ng)  cap_ng="no"
 941   ;;
 942   --enable-cap-ng) cap_ng="yes"
 943   ;;
 944   --disable-spice) spice="no"
 945   ;;
 946   --enable-spice) spice="yes"
 947   ;;
 948   --disable-libiscsi) libiscsi="no"
 949   ;;
 950   --enable-libiscsi) libiscsi="yes"
 951   ;;
 952   --disable-libnfs) libnfs="no"
 953   ;;
 954   --enable-libnfs) libnfs="yes"
 955   ;;
 956   --enable-profiler) profiler="yes"
 957   ;;
 958   --disable-cocoa) cocoa="no"
 959   ;;
 960   --enable-cocoa)
 961       cocoa="yes" ;
 962       sdl="no" ;
 963       audio_drv_list="coreaudio `echo $audio_drv_list | sed s,coreaudio,,g`"
 964   ;;
 965   --disable-system) softmmu="no"
 966   ;;
 967   --enable-system) softmmu="yes"
 968   ;;
 969   --disable-user)
 970       linux_user="no" ;
 971       bsd_user="no" ;
 972   ;;
 973   --enable-user) ;;
 974   --disable-linux-user) linux_user="no"
 975   ;;
 976   --enable-linux-user) linux_user="yes"
 977   ;;
 978   --disable-bsd-user) bsd_user="no"
 979   ;;
 980   --enable-bsd-user) bsd_user="yes"
 981   ;;
 982   --enable-guest-base) guest_base="yes"
 983   ;;
 984   --disable-guest-base) guest_base="no"
 985   ;;
 986   --enable-pie) pie="yes"
 987   ;;
 988   --disable-pie) pie="no"
 989   ;;
 990   --enable-werror) werror="yes"
 991   ;;
 992   --disable-werror) werror="no"
 993   ;;
 994   --enable-stack-protector) stack_protector="yes"
 995   ;;
 996   --disable-stack-protector) stack_protector="no"
 997   ;;
 998   --disable-curses) curses="no"
 999   ;;
1000   --enable-curses) curses="yes"
1001   ;;
1002   --disable-curl) curl="no"
1003   ;;
1004   --enable-curl) curl="yes"
1005   ;;
1006   --disable-fdt) fdt="no"
1007   ;;
1008   --enable-fdt) fdt="yes"
1009   ;;
1010   --disable-linux-aio) linux_aio="no"
1011   ;;
1012   --enable-linux-aio) linux_aio="yes"
1013   ;;
1014   --disable-attr) attr="no"
1015   ;;
1016   --enable-attr) attr="yes"
1017   ;;
1018   --disable-blobs) blobs="no"
1019   ;;
1020   --with-pkgversion=*) pkgversion=" ($optarg)"
1021   ;;
1022   --with-coroutine=*) coroutine="$optarg"
1023   ;;
1024   --disable-coroutine-pool) coroutine_pool="no"
1025   ;;
1026   --enable-coroutine-pool) coroutine_pool="yes"
1027   ;;
1028   --disable-docs) docs="no"
1029   ;;
1030   --enable-docs) docs="yes"
1031   ;;
1032   --disable-vhost-net) vhost_net="no"
1033   ;;
1034   --enable-vhost-net) vhost_net="yes"
1035   ;;
1036   --disable-vhost-scsi) vhost_scsi="no"
1037   ;;
1038   --enable-vhost-scsi) vhost_scsi="yes"
1039   ;;
1040   --disable-opengl) opengl="no"
1041   ;;
1042   --enable-opengl) opengl="yes"
1043   ;;
1044   --disable-rbd) rbd="no"
1045   ;;
1046   --enable-rbd) rbd="yes"
1047   ;;
1048   --disable-xfsctl) xfs="no"
1049   ;;
1050   --enable-xfsctl) xfs="yes"
1051   ;;
1052   --disable-smartcard-nss) smartcard_nss="no"
1053   ;;
1054   --enable-smartcard-nss) smartcard_nss="yes"
1055   ;;
1056   --disable-libusb) libusb="no"
1057   ;;
1058   --enable-libusb) libusb="yes"
1059   ;;
1060   --disable-usb-redir) usb_redir="no"
1061   ;;
1062   --enable-usb-redir) usb_redir="yes"
1063   ;;
1064   --disable-zlib-test) zlib="no"
1065   ;;
1066   --disable-lzo) lzo="no"
1067   ;;
1068   --enable-lzo) lzo="yes"
1069   ;;
1070   --disable-snappy) snappy="no"
1071   ;;
1072   --enable-snappy) snappy="yes"
1073   ;;
1074   --disable-bzip2) bzip2="no"
1075   ;;
1076   --enable-bzip2) bzip2="yes"
1077   ;;
1078   --enable-guest-agent) guest_agent="yes"
1079   ;;
1080   --disable-guest-agent) guest_agent="no"
1081   ;;
1082   --enable-guest-agent-msi) guest_agent_msi="yes"
1083   ;;
1084   --disable-guest-agent-msi) guest_agent_msi="no"
1085   ;;
1086   --with-vss-sdk) vss_win32_sdk=""
1087   ;;
1088   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1089   ;;
1090   --without-vss-sdk) vss_win32_sdk="no"
1091   ;;
1092   --with-win-sdk) win_sdk=""
1093   ;;
1094   --with-win-sdk=*) win_sdk="$optarg"
1095   ;;
1096   --without-win-sdk) win_sdk="no"
1097   ;;
1098   --enable-tools) want_tools="yes"
1099   ;;
1100   --disable-tools) want_tools="no"
1101   ;;
1102   --enable-seccomp) seccomp="yes"
1103   ;;
1104   --disable-seccomp) seccomp="no"
1105   ;;
1106   --disable-glusterfs) glusterfs="no"
1107   ;;
1108   --enable-glusterfs) glusterfs="yes"
1109   ;;
1110   --disable-archipelago) archipelago="no"
1111   ;;
1112   --enable-archipelago) archipelago="yes"
1113   ;;
1114   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1115       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1116   ;;
1117   --disable-gtk) gtk="no"
1118   ;;
1119   --enable-gtk) gtk="yes"
1120   ;;
1121   --enable-rdma) rdma="yes"
1122   ;;
1123   --disable-rdma) rdma="no"
1124   ;;
1125   --with-gtkabi=*) gtkabi="$optarg"
1126   ;;
1127   --disable-vte) vte="no"
1128   ;;
1129   --enable-vte) vte="yes"
1130   ;;
1131   --disable-tpm) tpm="no"
1132   ;;
1133   --enable-tpm) tpm="yes"
1134   ;;
1135   --disable-libssh2) libssh2="no"
1136   ;;
1137   --enable-libssh2) libssh2="yes"
1138   ;;
1139   --enable-vhdx) vhdx="yes"
1140   ;;
1141   --disable-vhdx) vhdx="no"
1142   ;;
1143   --disable-quorum) quorum="no"
1144   ;;
1145   --enable-quorum) quorum="yes"
1146   ;;
1147   --disable-numa) numa="no"
1148   ;;
1149   --enable-numa) numa="yes"
1150   ;;
1151   --disable-tcmalloc) tcmalloc="no"
1152   ;;
1153   --enable-tcmalloc) tcmalloc="yes"
1154   ;;
1155   *)
1156       echo "ERROR: unknown option $opt"
1157       echo "Try '$0 --help' for more information"
1158       exit 1
1159   ;;
1160   esac
1161 done
1162
1163 if ! has $python; then
1164   error_exit "Python not found. Use --python=/path/to/python"
1165 fi
1166
1167 # Note that if the Python conditional here evaluates True we will exit
1168 # with status 1 which is a shell 'false' value.
1169 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,4) or sys.version_info >= (3,))'; then
1170   error_exit "Cannot use '$python', Python 2.4 or later is required." \
1171       "Note that Python 3 or later is not yet supported." \
1172       "Use --python=/path/to/python to specify a supported Python."
1173 fi
1174
1175 # The -B switch was added in Python 2.6.
1176 # If it is supplied, compiled files are not written.
1177 # Use it for Python versions which support it.
1178 if $python -B -c 'import sys; sys.exit(0)' 2>/dev/null; then
1179   python="$python -B"
1180 fi
1181
1182 case "$cpu" in
1183     ppc)
1184            CPU_CFLAGS="-m32"
1185            LDFLAGS="-m32 $LDFLAGS"
1186            ;;
1187     ppc64)
1188            CPU_CFLAGS="-m64"
1189            LDFLAGS="-m64 $LDFLAGS"
1190            ;;
1191     sparc)
1192            LDFLAGS="-m32 $LDFLAGS"
1193            CPU_CFLAGS="-m32 -mcpu=ultrasparc"
1194            ;;
1195     sparc64)
1196            LDFLAGS="-m64 $LDFLAGS"
1197            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1198            ;;
1199     s390)
1200            CPU_CFLAGS="-m31"
1201            LDFLAGS="-m31 $LDFLAGS"
1202            ;;
1203     s390x)
1204            CPU_CFLAGS="-m64"
1205            LDFLAGS="-m64 $LDFLAGS"
1206            ;;
1207     i386)
1208            CPU_CFLAGS="-m32"
1209            LDFLAGS="-m32 $LDFLAGS"
1210            cc_i386='$(CC) -m32'
1211            ;;
1212     x86_64)
1213            CPU_CFLAGS="-m64"
1214            LDFLAGS="-m64 $LDFLAGS"
1215            cc_i386='$(CC) -m32'
1216            ;;
1217     x32)
1218            CPU_CFLAGS="-mx32"
1219            LDFLAGS="-mx32 $LDFLAGS"
1220            cc_i386='$(CC) -m32'
1221            ;;
1222     # No special flags required for other host CPUs
1223 esac
1224
1225 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1226 EXTRA_CFLAGS="$CPU_CFLAGS $EXTRA_CFLAGS"
1227
1228 default_target_list=""
1229
1230 mak_wilds=""
1231
1232 if [ "$softmmu" = "yes" ]; then
1233     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1234 fi
1235 if [ "$linux_user" = "yes" ]; then
1236     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1237 fi
1238 if [ "$bsd_user" = "yes" ]; then
1239     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1240 fi
1241
1242 for config in $mak_wilds; do
1243     default_target_list="${default_target_list} $(basename "$config" .mak)"
1244 done
1245
1246 if test x"$show_help" = x"yes" ; then
1247 cat << EOF
1248
1249 Usage: configure [options]
1250 Options: [defaults in brackets after descriptions]
1251
1252 Standard options:
1253   --help                   print this message
1254   --prefix=PREFIX          install in PREFIX [$prefix]
1255   --interp-prefix=PREFIX   where to find shared libraries, etc.
1256                            use %M for cpu name [$interp_prefix]
1257   --target-list=LIST       set target list (default: build everything)
1258 $(echo Available targets: $default_target_list | \
1259   fold -s -w 53 | sed -e 's/^/                           /')
1260
1261 Advanced options (experts only):
1262   --source-path=PATH       path of source code [$source_path]
1263   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1264   --cc=CC                  use C compiler CC [$cc]
1265   --iasl=IASL              use ACPI compiler IASL [$iasl]
1266   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1267                            build time
1268   --cxx=CXX                use C++ compiler CXX [$cxx]
1269   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1270   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1271   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1272   --make=MAKE              use specified make [$make]
1273   --install=INSTALL        use specified install [$install]
1274   --python=PYTHON          use specified python [$python]
1275   --smbd=SMBD              use specified smbd [$smbd]
1276   --static                 enable static build [$static]
1277   --mandir=PATH            install man pages in PATH
1278   --datadir=PATH           install firmware in PATH$confsuffix
1279   --docdir=PATH            install documentation in PATH$confsuffix
1280   --bindir=PATH            install binaries in PATH
1281   --libdir=PATH            install libraries in PATH
1282   --sysconfdir=PATH        install config in PATH$confsuffix
1283   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1284   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1285   --enable-debug           enable common debug build options
1286   --disable-strip          disable stripping binaries
1287   --disable-werror         disable compilation abort on warning
1288   --disable-stack-protector disable compiler-provided stack protection
1289   --audio-drv-list=LIST    set audio drivers list:
1290                            Available drivers: $audio_possible_drivers
1291   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1292   --block-drv-rw-whitelist=L
1293                            set block driver read-write whitelist
1294                            (affects only QEMU, not qemu-img)
1295   --block-drv-ro-whitelist=L
1296                            set block driver read-only whitelist
1297                            (affects only QEMU, not qemu-img)
1298   --enable-trace-backends=B Set trace backend
1299                            Available backends: $($python $source_path/scripts/tracetool.py --list-backends)
1300   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1301                            Default:trace-<pid>
1302   --disable-slirp          disable SLIRP userspace network connectivity
1303   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1304   --oss-lib                path to OSS library
1305   --cpu=CPU                Build for host CPU [$cpu]
1306   --with-coroutine=BACKEND coroutine backend. Supported options:
1307                            gthread, ucontext, sigaltstack, windows
1308   --enable-gcov            enable test coverage analysis with gcov
1309   --gcov=GCOV              use specified gcov [$gcov_tool]
1310   --disable-blobs          disable installing provided firmware blobs
1311   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1312   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1313
1314 Optional features, enabled with --enable-FEATURE and
1315 disabled with --disable-FEATURE, default is enabled if available:
1316
1317   system          all system emulation targets
1318   user            supported user emulation targets
1319   linux-user      all linux usermode emulation targets
1320   bsd-user        all BSD usermode emulation targets
1321   guest-base      GUEST_BASE support for usermode emulation targets
1322   docs            build documentation
1323   guest-agent     build the QEMU Guest Agent
1324   guest-agent-msi build guest agent Windows MSI installation package
1325   pie             Position Independent Executables
1326   modules         modules support
1327   debug-tcg       TCG debugging (default is disabled)
1328   debug-info      debugging information
1329   sparse          sparse checker
1330
1331   sdl             SDL UI
1332   --with-sdlabi     select preferred SDL ABI 1.2 or 2.0
1333   gtk             gtk UI
1334   --with-gtkabi     select preferred GTK ABI 2.0 or 3.0
1335   vte             vte support for the gtk UI
1336   curses          curses UI
1337   vnc             VNC UI support
1338   vnc-tls         TLS encryption for VNC server
1339   vnc-sasl        SASL encryption for VNC server
1340   vnc-jpeg        JPEG lossy compression for VNC server
1341   vnc-png         PNG compression for VNC server
1342   vnc-ws          Websockets support for VNC server
1343   cocoa           Cocoa UI (Mac OS X only)
1344   virtfs          VirtFS
1345   xen             xen backend driver support
1346   xen-pci-passthrough
1347   brlapi          BrlAPI (Braile)
1348   curl            curl connectivity
1349   fdt             fdt device tree
1350   bluez           bluez stack connectivity
1351   kvm             KVM acceleration support
1352   rdma            RDMA-based migration support
1353   uuid            uuid support
1354   vde             support for vde network
1355   netmap          support for netmap network
1356   linux-aio       Linux AIO support
1357   cap-ng          libcap-ng support
1358   attr            attr and xattr support
1359   vhost-net       vhost-net acceleration support
1360   spice           spice
1361   rbd             rados block device (rbd)
1362   libiscsi        iscsi support
1363   libnfs          nfs support
1364   smartcard-nss   smartcard nss support
1365   libusb          libusb (for usb passthrough)
1366   usb-redir       usb network redirection support
1367   lzo             support of lzo compression library
1368   snappy          support of snappy compression library
1369   bzip2           support of bzip2 compression library
1370                   (for reading bzip2-compressed dmg images)
1371   seccomp         seccomp support
1372   coroutine-pool  coroutine freelist (better performance)
1373   glusterfs       GlusterFS backend
1374   archipelago     Archipelago backend
1375   tpm             TPM support
1376   libssh2         ssh block device support
1377   vhdx            support for the Microsoft VHDX image format
1378   quorum          quorum block filter support
1379   numa            libnuma support
1380   tcmalloc        tcmalloc support
1381
1382 NOTE: The object files are built at the place where configure is launched
1383 EOF
1384 exit 0
1385 fi
1386
1387 # Now we have handled --enable-tcg-interpreter and know we're not just
1388 # printing the help message, bail out if the host CPU isn't supported.
1389 if test "$ARCH" = "unknown"; then
1390     if test "$tcg_interpreter" = "yes" ; then
1391         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1392         ARCH=tci
1393     else
1394         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1395     fi
1396 fi
1397
1398 # Consult white-list to determine whether to enable werror
1399 # by default.  Only enable by default for git builds
1400 z_version=`cut -f3 -d. $source_path/VERSION`
1401
1402 if test -z "$werror" ; then
1403     if test -d "$source_path/.git" -a \
1404         "$linux" = "yes" ; then
1405         werror="yes"
1406     else
1407         werror="no"
1408     fi
1409 fi
1410
1411 # check that the C compiler works.
1412 write_c_skeleton;
1413 if compile_object ; then
1414   : C compiler works ok
1415 else
1416     error_exit "\"$cc\" either does not exist or does not work"
1417 fi
1418
1419 # Check that the C++ compiler exists and works with the C compiler
1420 if has $cxx; then
1421     cat > $TMPC <<EOF
1422 int c_function(void);
1423 int main(void) { return c_function(); }
1424 EOF
1425
1426     compile_object
1427
1428     cat > $TMPCXX <<EOF
1429 extern "C" {
1430    int c_function(void);
1431 }
1432 int c_function(void) { return 42; }
1433 EOF
1434
1435     update_cxxflags
1436
1437     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
1438         # C++ compiler $cxx works ok with C compiler $cc
1439         :
1440     else
1441         echo "C++ compiler $cxx does not work with C compiler $cc"
1442         echo "Disabling C++ specific optional code"
1443         cxx=
1444     fi
1445 else
1446     echo "No C++ compiler available; disabling C++ specific optional code"
1447     cxx=
1448 fi
1449
1450 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1451 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1452 gcc_flags="-Wmissing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1453 gcc_flags="-Wendif-labels $gcc_flags"
1454 gcc_flags="-Wno-initializer-overrides $gcc_flags"
1455 gcc_flags="-Wno-string-plus-int $gcc_flags"
1456 # Note that we do not add -Werror to gcc_flags here, because that would
1457 # enable it for all configure tests. If a configure test failed due
1458 # to -Werror this would just silently disable some features,
1459 # so it's too error prone.
1460
1461 cc_has_warning_flag() {
1462     write_c_skeleton;
1463
1464     # Use the positive sense of the flag when testing for -Wno-wombat
1465     # support (gcc will happily accept the -Wno- form of unknown
1466     # warning options).
1467     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1468     compile_prog "-Werror $optflag" ""
1469 }
1470
1471 for flag in $gcc_flags; do
1472     if cc_has_warning_flag $flag ; then
1473         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1474     fi
1475 done
1476
1477 if test "$stack_protector" != "no"; then
1478   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1479   sp_on=0
1480   for flag in $gcc_flags; do
1481     # We need to check both a compile and a link, since some compiler
1482     # setups fail only on a .c->.o compile and some only at link time
1483     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1484        compile_prog "-Werror $flag" ""; then
1485       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1486       LIBTOOLFLAGS="$LIBTOOLFLAGS -Wc,$flag"
1487       sp_on=1
1488       break
1489     fi
1490   done
1491   if test "$stack_protector" = yes; then
1492     if test $sp_on = 0; then
1493       error_exit "Stack protector not supported"
1494     fi
1495   fi
1496 fi
1497
1498 # Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC and
1499 # large functions that use global variables.  The bug is in all releases of
1500 # GCC, but it became particularly acute in 4.6.x and 4.7.x.  It is fixed in
1501 # 4.7.3 and 4.8.0.  We should be able to delete this at the end of 2013.
1502 cat > $TMPC << EOF
1503 #if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
1504 int main(void) { return 0; }
1505 #else
1506 #error No bug in this compiler.
1507 #endif
1508 EOF
1509 if compile_prog "-Werror -fno-gcse" "" ; then
1510   TRANSLATE_OPT_CFLAGS=-fno-gcse
1511 fi
1512
1513 if test "$static" = "yes" ; then
1514   if test "$modules" = "yes" ; then
1515     error_exit "static and modules are mutually incompatible"
1516   fi
1517   if test "$pie" = "yes" ; then
1518     error_exit "static and pie are mutually incompatible"
1519   else
1520     pie="no"
1521   fi
1522 fi
1523
1524 # Unconditional check for compiler __thread support
1525   cat > $TMPC << EOF
1526 static __thread int tls_var;
1527 int main(void) { return tls_var; }
1528 EOF
1529
1530 if ! compile_prog "-Werror" "" ; then
1531     error_exit "Your compiler does not support the __thread specifier for " \
1532         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1533 fi
1534
1535 if test "$pie" = ""; then
1536   case "$cpu-$targetos" in
1537     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1538       ;;
1539     *)
1540       pie="no"
1541       ;;
1542   esac
1543 fi
1544
1545 if test "$pie" != "no" ; then
1546   cat > $TMPC << EOF
1547
1548 #ifdef __linux__
1549 #  define THREAD __thread
1550 #else
1551 #  define THREAD
1552 #endif
1553
1554 static THREAD int tls_var;
1555
1556 int main(void) { return tls_var; }
1557
1558 EOF
1559   if compile_prog "-fPIE -DPIE" "-pie"; then
1560     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1561     LDFLAGS="-pie $LDFLAGS"
1562     pie="yes"
1563     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1564       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
1565     fi
1566   else
1567     if test "$pie" = "yes"; then
1568       error_exit "PIE not available due to missing toolchain support"
1569     else
1570       echo "Disabling PIE due to missing toolchain support"
1571       pie="no"
1572     fi
1573   fi
1574
1575   if compile_prog "-Werror -fno-pie" "-nopie"; then
1576     CFLAGS_NOPIE="-fno-pie"
1577     LDFLAGS_NOPIE="-nopie"
1578   fi
1579 fi
1580
1581 # check for broken gcc and libtool in RHEL5
1582 if test -n "$libtool" -a "$pie" != "no" ; then
1583   cat > $TMPC <<EOF
1584
1585 void *f(unsigned char *buf, int len);
1586 void *g(unsigned char *buf, int len);
1587
1588 void *
1589 f(unsigned char *buf, int len)
1590 {
1591     return (void*)0L;
1592 }
1593
1594 void *
1595 g(unsigned char *buf, int len)
1596 {
1597     return f(buf, len);
1598 }
1599
1600 EOF
1601   if ! libtool_prog; then
1602     echo "Disabling libtool due to broken toolchain support"
1603     libtool=
1604   fi
1605 fi
1606
1607 ##########################################
1608 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1609 # use i686 as default anyway, but for those that don't, an explicit
1610 # specification is necessary
1611
1612 if test "$cpu" = "i386"; then
1613   cat > $TMPC << EOF
1614 static int sfaa(int *ptr)
1615 {
1616   return __sync_fetch_and_and(ptr, 0);
1617 }
1618
1619 int main(void)
1620 {
1621   int val = 42;
1622   val = __sync_val_compare_and_swap(&val, 0, 1);
1623   sfaa(&val);
1624   return val;
1625 }
1626 EOF
1627   if ! compile_prog "" "" ; then
1628     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1629   fi
1630 fi
1631
1632 #########################################
1633 # Solaris specific configure tool chain decisions
1634
1635 if test "$solaris" = "yes" ; then
1636   if has $install; then
1637     :
1638   else
1639     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
1640         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
1641         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
1642   fi
1643   if test "`path_of $install`" = "/usr/sbin/install" ; then
1644     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
1645         "try ginstall from the GNU fileutils available from www.blastwave.org" \
1646         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
1647   fi
1648   if has ar; then
1649     :
1650   else
1651     if test -f /usr/ccs/bin/ar ; then
1652       error_exit "No path includes ar" \
1653           "Add /usr/ccs/bin to your path and rerun configure"
1654     fi
1655     error_exit "No path includes ar"
1656   fi
1657 fi
1658
1659 if test -z "${target_list+xxx}" ; then
1660     target_list="$default_target_list"
1661 else
1662     target_list=`echo "$target_list" | sed -e 's/,/ /g'`
1663 fi
1664
1665 # Check that we recognised the target name; this allows a more
1666 # friendly error message than if we let it fall through.
1667 for target in $target_list; do
1668     case " $default_target_list " in
1669         *" $target "*)
1670             ;;
1671         *)
1672             error_exit "Unknown target name '$target'"
1673             ;;
1674     esac
1675 done
1676
1677 # see if system emulation was really requested
1678 case " $target_list " in
1679   *"-softmmu "*) softmmu=yes
1680   ;;
1681   *) softmmu=no
1682   ;;
1683 esac
1684
1685 feature_not_found() {
1686   feature=$1
1687   remedy=$2
1688
1689   error_exit "User requested feature $feature" \
1690       "configure was not able to find it." \
1691       "$remedy"
1692 }
1693
1694 # ---
1695 # big/little endian test
1696 cat > $TMPC << EOF
1697 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1698 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
1699 extern int foo(short *, short *);
1700 int main(int argc, char *argv[]) {
1701     return foo(big_endian, little_endian);
1702 }
1703 EOF
1704
1705 if compile_object ; then
1706     if grep -q BiGeNdIaN $TMPO ; then
1707         bigendian="yes"
1708     elif grep -q LiTtLeEnDiAn $TMPO ; then
1709         bigendian="no"
1710     else
1711         echo big/little test failed
1712     fi
1713 else
1714     echo big/little test failed
1715 fi
1716
1717 ##########################################
1718 # L2TPV3 probe
1719
1720 cat > $TMPC <<EOF
1721 #include <sys/socket.h>
1722 #include <linux/ip.h>
1723 int main(void) { return sizeof(struct mmsghdr); }
1724 EOF
1725 if compile_prog "" "" ; then
1726   l2tpv3=yes
1727 else
1728   l2tpv3=no
1729 fi
1730
1731 ##########################################
1732 # pkg-config probe
1733
1734 if ! has "$pkg_config_exe"; then
1735   error_exit "pkg-config binary '$pkg_config_exe' not found"
1736 fi
1737
1738 ##########################################
1739 # NPTL probe
1740
1741 if test "$linux_user" = "yes"; then
1742   cat > $TMPC <<EOF
1743 #include <sched.h>
1744 #include <linux/futex.h>
1745 int main(void) {
1746 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
1747 #error bork
1748 #endif
1749   return 0;
1750 }
1751 EOF
1752   if ! compile_object ; then
1753     feature_not_found "nptl" "Install glibc and linux kernel headers."
1754   fi
1755 fi
1756
1757 ##########################################
1758 # zlib check
1759
1760 if test "$zlib" != "no" ; then
1761     cat > $TMPC << EOF
1762 #include <zlib.h>
1763 int main(void) { zlibVersion(); return 0; }
1764 EOF
1765     if compile_prog "" "-lz" ; then
1766         :
1767     else
1768         error_exit "zlib check failed" \
1769             "Make sure to have the zlib libs and headers installed."
1770     fi
1771 fi
1772 LIBS="$LIBS -lz"
1773
1774 ##########################################
1775 # lzo check
1776
1777 if test "$lzo" != "no" ; then
1778     cat > $TMPC << EOF
1779 #include <lzo/lzo1x.h>
1780 int main(void) { lzo_version(); return 0; }
1781 EOF
1782     if compile_prog "" "-llzo2" ; then
1783         libs_softmmu="$libs_softmmu -llzo2"
1784         lzo="yes"
1785     else
1786         if test "$lzo" = "yes"; then
1787             feature_not_found "liblzo2" "Install liblzo2 devel"
1788         fi
1789         lzo="no"
1790     fi
1791 fi
1792
1793 ##########################################
1794 # snappy check
1795
1796 if test "$snappy" != "no" ; then
1797     cat > $TMPC << EOF
1798 #include <snappy-c.h>
1799 int main(void) { snappy_max_compressed_length(4096); return 0; }
1800 EOF
1801     if compile_prog "" "-lsnappy" ; then
1802         libs_softmmu="$libs_softmmu -lsnappy"
1803         snappy="yes"
1804     else
1805         if test "$snappy" = "yes"; then
1806             feature_not_found "libsnappy" "Install libsnappy devel"
1807         fi
1808         snappy="no"
1809     fi
1810 fi
1811
1812 ##########################################
1813 # bzip2 check
1814
1815 if test "$bzip2" != "no" ; then
1816     cat > $TMPC << EOF
1817 #include <bzlib.h>
1818 int main(void) { BZ2_bzlibVersion(); return 0; }
1819 EOF
1820     if compile_prog "" "-lbz2" ; then
1821         bzip2="yes"
1822     else
1823         if test "$bzip2" = "yes"; then
1824             feature_not_found "libbzip2" "Install libbzip2 devel"
1825         fi
1826         bzip2="no"
1827     fi
1828 fi
1829
1830 ##########################################
1831 # libseccomp check
1832
1833 if test "$seccomp" != "no" ; then
1834     if test "$cpu" = "i386" || test "$cpu" = "x86_64" &&
1835         $pkg_config --atleast-version=2.1.1 libseccomp; then
1836         libs_softmmu="$libs_softmmu `$pkg_config --libs libseccomp`"
1837         QEMU_CFLAGS="$QEMU_CFLAGS `$pkg_config --cflags libseccomp`"
1838         seccomp="yes"
1839     else
1840         if test "$seccomp" = "yes"; then
1841             feature_not_found "libseccomp" "Install libseccomp devel >= 2.1.1"
1842         fi
1843         seccomp="no"
1844     fi
1845 fi
1846 ##########################################
1847 # xen probe
1848
1849 if test "$xen" != "no" ; then
1850   xen_libs="-lxenstore -lxenctrl -lxenguest"
1851
1852   # First we test whether Xen headers and libraries are available.
1853   # If no, we are done and there is no Xen support.
1854   # If yes, more tests are run to detect the Xen version.
1855
1856   # Xen (any)
1857   cat > $TMPC <<EOF
1858 #include <xenctrl.h>
1859 int main(void) {
1860   return 0;
1861 }
1862 EOF
1863   if ! compile_prog "" "$xen_libs" ; then
1864     # Xen not found
1865     if test "$xen" = "yes" ; then
1866       feature_not_found "xen" "Install xen devel"
1867     fi
1868     xen=no
1869
1870   # Xen unstable
1871   elif
1872       cat > $TMPC <<EOF &&
1873 #include <xenctrl.h>
1874 #include <xenstore.h>
1875 #include <stdint.h>
1876 #include <xen/hvm/hvm_info_table.h>
1877 #if !defined(HVM_MAX_VCPUS)
1878 # error HVM_MAX_VCPUS not defined
1879 #endif
1880 int main(void) {
1881   xc_interface *xc;
1882   xs_daemon_open();
1883   xc = xc_interface_open(0, 0, 0);
1884   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
1885   xc_gnttab_open(NULL, 0);
1886   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
1887   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
1888   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
1889   return 0;
1890 }
1891 EOF
1892       compile_prog "" "$xen_libs"
1893     then
1894     xen_ctrl_version=450
1895     xen=yes
1896
1897   elif
1898       cat > $TMPC <<EOF &&
1899 #include <xenctrl.h>
1900 #include <xenstore.h>
1901 #include <stdint.h>
1902 #include <xen/hvm/hvm_info_table.h>
1903 #if !defined(HVM_MAX_VCPUS)
1904 # error HVM_MAX_VCPUS not defined
1905 #endif
1906 int main(void) {
1907   xc_interface *xc;
1908   xs_daemon_open();
1909   xc = xc_interface_open(0, 0, 0);
1910   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
1911   xc_gnttab_open(NULL, 0);
1912   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
1913   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
1914   return 0;
1915 }
1916 EOF
1917       compile_prog "" "$xen_libs"
1918     then
1919     xen_ctrl_version=420
1920     xen=yes
1921
1922   elif
1923       cat > $TMPC <<EOF &&
1924 #include <xenctrl.h>
1925 #include <xs.h>
1926 #include <stdint.h>
1927 #include <xen/hvm/hvm_info_table.h>
1928 #if !defined(HVM_MAX_VCPUS)
1929 # error HVM_MAX_VCPUS not defined
1930 #endif
1931 int main(void) {
1932   xs_daemon_open();
1933   xc_interface_open(0, 0, 0);
1934   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
1935   xc_gnttab_open(NULL, 0);
1936   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
1937   return 0;
1938 }
1939 EOF
1940       compile_prog "" "$xen_libs"
1941     then
1942     xen_ctrl_version=410
1943     xen=yes
1944
1945   # Xen 4.0.0
1946   elif
1947       cat > $TMPC <<EOF &&
1948 #include <xenctrl.h>
1949 #include <xs.h>
1950 #include <stdint.h>
1951 #include <xen/hvm/hvm_info_table.h>
1952 #if !defined(HVM_MAX_VCPUS)
1953 # error HVM_MAX_VCPUS not defined
1954 #endif
1955 int main(void) {
1956   struct xen_add_to_physmap xatp = {
1957     .domid = 0, .space = XENMAPSPACE_gmfn, .idx = 0, .gpfn = 0,
1958   };
1959   xs_daemon_open();
1960   xc_interface_open();
1961   xc_gnttab_open();
1962   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
1963   xc_memory_op(0, XENMEM_add_to_physmap, &xatp);
1964   return 0;
1965 }
1966 EOF
1967       compile_prog "" "$xen_libs"
1968     then
1969     xen_ctrl_version=400
1970     xen=yes
1971
1972   # Xen 3.4.0
1973   elif
1974       cat > $TMPC <<EOF &&
1975 #include <xenctrl.h>
1976 #include <xs.h>
1977 int main(void) {
1978   struct xen_add_to_physmap xatp = {
1979     .domid = 0, .space = XENMAPSPACE_gmfn, .idx = 0, .gpfn = 0,
1980   };
1981   xs_daemon_open();
1982   xc_interface_open();
1983   xc_gnttab_open();
1984   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
1985   xc_memory_op(0, XENMEM_add_to_physmap, &xatp);
1986   return 0;
1987 }
1988 EOF
1989       compile_prog "" "$xen_libs"
1990     then
1991     xen_ctrl_version=340
1992     xen=yes
1993
1994   # Xen 3.3.0
1995   elif
1996       cat > $TMPC <<EOF &&
1997 #include <xenctrl.h>
1998 #include <xs.h>
1999 int main(void) {
2000   xs_daemon_open();
2001   xc_interface_open();
2002   xc_gnttab_open();
2003   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2004   return 0;
2005 }
2006 EOF
2007       compile_prog "" "$xen_libs"
2008     then
2009     xen_ctrl_version=330
2010     xen=yes
2011
2012   # Xen version unsupported
2013   else
2014     if test "$xen" = "yes" ; then
2015       feature_not_found "xen (unsupported version)" "Install supported xen (e.g. 4.0, 3.4, 3.3)"
2016     fi
2017     xen=no
2018   fi
2019
2020   if test "$xen" = yes; then
2021     libs_softmmu="$xen_libs $libs_softmmu"
2022   fi
2023 fi
2024
2025 if test "$xen_pci_passthrough" != "no"; then
2026   if test "$xen" = "yes" && test "$linux" = "yes" &&
2027     test "$xen_ctrl_version" -ge 340; then
2028     xen_pci_passthrough=yes
2029   else
2030     if test "$xen_pci_passthrough" = "yes"; then
2031       if test "$xen_ctrl_version" -lt 340; then
2032         error_exit "User requested feature Xen PCI Passthrough" \
2033             "This feature does not work with Xen 3.3"
2034       fi
2035       error_exit "User requested feature Xen PCI Passthrough" \
2036           " but this feature requires /sys from Linux"
2037     fi
2038     xen_pci_passthrough=no
2039   fi
2040 fi
2041
2042 ##########################################
2043 # libtool probe
2044
2045 if ! has $libtool; then
2046     libtool=
2047 fi
2048
2049 # MacOSX ships with a libtool which isn't the GNU one; weed this
2050 # out by checking whether libtool supports the --version switch
2051 if test -n "$libtool"; then
2052   if ! "$libtool" --version >/dev/null 2>&1; then
2053     libtool=
2054   fi
2055 fi
2056
2057 ##########################################
2058 # Sparse probe
2059 if test "$sparse" != "no" ; then
2060   if has cgcc; then
2061     sparse=yes
2062   else
2063     if test "$sparse" = "yes" ; then
2064       feature_not_found "sparse" "Install sparse binary"
2065     fi
2066     sparse=no
2067   fi
2068 fi
2069
2070 ##########################################
2071 # X11 probe
2072 x11_cflags=
2073 x11_libs=-lX11
2074 if $pkg_config --exists "x11"; then
2075     x11_cflags=`$pkg_config --cflags x11`
2076     x11_libs=`$pkg_config --libs x11`
2077 fi
2078
2079 ##########################################
2080 # GTK probe
2081
2082 if test "$gtkabi" = ""; then
2083     # The GTK ABI was not specified explicitly, so try whether 2.0 is available.
2084     # Use 3.0 as a fallback if that is available.
2085     if $pkg_config --exists "gtk+-2.0 >= 2.18.0"; then
2086         gtkabi=2.0
2087     elif $pkg_config --exists "gtk+-3.0 >= 3.0.0"; then
2088         gtkabi=3.0
2089     else
2090         gtkabi=2.0
2091     fi
2092 fi
2093
2094 if test "$gtk" != "no"; then
2095     gtkpackage="gtk+-$gtkabi"
2096     gtkx11package="gtk+-x11-$gtkabi"
2097     if test "$gtkabi" = "3.0" ; then
2098       gtkversion="3.0.0"
2099     else
2100       gtkversion="2.18.0"
2101     fi
2102     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2103         gtk_cflags=`$pkg_config --cflags $gtkpackage`
2104         gtk_libs=`$pkg_config --libs $gtkpackage`
2105         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2106             gtk_cflags="$gtk_cflags $x11_cflags"
2107             gtk_libs="$gtk_libs $x11_libs"
2108         fi
2109         libs_softmmu="$gtk_libs $libs_softmmu"
2110         gtk="yes"
2111     elif test "$gtk" = "yes"; then
2112         feature_not_found "gtk" "Install gtk2 or gtk3 devel"
2113     else
2114         gtk="no"
2115     fi
2116 fi
2117
2118 ##########################################
2119 # VTE probe
2120
2121 if test "$vte" != "no"; then
2122     if test "$gtkabi" = "3.0"; then
2123       vtepackage="vte-2.90"
2124       vteversion="0.32.0"
2125     else
2126       vtepackage="vte"
2127       vteversion="0.24.0"
2128     fi
2129     if $pkg_config --exists "$vtepackage >= $vteversion"; then
2130         vte_cflags=`$pkg_config --cflags $vtepackage`
2131         vte_libs=`$pkg_config --libs $vtepackage`
2132         libs_softmmu="$vte_libs $libs_softmmu"
2133         vte="yes"
2134     elif test "$vte" = "yes"; then
2135         if test "$gtkabi" = "3.0"; then
2136             feature_not_found "vte" "Install libvte-2.90 devel"
2137         else
2138             feature_not_found "vte" "Install libvte devel"
2139         fi
2140     else
2141         vte="no"
2142     fi
2143 fi
2144
2145 ##########################################
2146 # SDL probe
2147
2148 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2149 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2150
2151 if test $sdlabi = "2.0"; then
2152     sdl_config=$sdl2_config
2153     sdlname=sdl2
2154     sdlconfigname=sdl2_config
2155 else
2156     sdlname=sdl
2157     sdlconfigname=sdl_config
2158 fi
2159
2160 if test "`basename $sdl_config`" != $sdlconfigname && ! has ${sdl_config}; then
2161   sdl_config=$sdlconfigname
2162 fi
2163
2164 if $pkg_config $sdlname --exists; then
2165   sdlconfig="$pkg_config $sdlname"
2166   _sdlversion=`$sdlconfig --modversion 2>/dev/null | sed 's/[^0-9]//g'`
2167 elif has ${sdl_config}; then
2168   sdlconfig="$sdl_config"
2169   _sdlversion=`$sdlconfig --version | sed 's/[^0-9]//g'`
2170 else
2171   if test "$sdl" = "yes" ; then
2172     feature_not_found "sdl" "Install SDL devel"
2173   fi
2174   sdl=no
2175 fi
2176 if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2177   echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2178 fi
2179
2180 sdl_too_old=no
2181 if test "$sdl" != "no" ; then
2182   cat > $TMPC << EOF
2183 #include <SDL.h>
2184 #undef main /* We don't want SDL to override our main() */
2185 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2186 EOF
2187   sdl_cflags=`$sdlconfig --cflags 2> /dev/null`
2188   if test "$static" = "yes" ; then
2189     sdl_libs=`$sdlconfig --static-libs 2>/dev/null`
2190   else
2191     sdl_libs=`$sdlconfig --libs 2> /dev/null`
2192   fi
2193   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2194     if test "$_sdlversion" -lt 121 ; then
2195       sdl_too_old=yes
2196     else
2197       if test "$cocoa" = "no" ; then
2198         sdl=yes
2199       fi
2200     fi
2201
2202     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2203     if test "$sdl" = "yes" -a "$static" = "yes" ; then
2204       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2205          sdl_libs="$sdl_libs `aalib-config --static-libs 2>/dev/null`"
2206          sdl_cflags="$sdl_cflags `aalib-config --cflags 2>/dev/null`"
2207       fi
2208       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2209         :
2210       else
2211         sdl=no
2212       fi
2213     fi # static link
2214   else # sdl not found
2215     if test "$sdl" = "yes" ; then
2216       feature_not_found "sdl" "Install SDL devel"
2217     fi
2218     sdl=no
2219   fi # sdl compile test
2220 fi
2221
2222 if test "$sdl" = "yes" ; then
2223   cat > $TMPC <<EOF
2224 #include <SDL.h>
2225 #if defined(SDL_VIDEO_DRIVER_X11)
2226 #include <X11/XKBlib.h>
2227 #else
2228 #error No x11 support
2229 #endif
2230 int main(void) { return 0; }
2231 EOF
2232   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
2233     sdl_cflags="$sdl_cflags $x11_cflags"
2234     sdl_libs="$sdl_libs $x11_libs"
2235   fi
2236   libs_softmmu="$sdl_libs $libs_softmmu"
2237 fi
2238
2239 ##########################################
2240 # RDMA needs OpenFabrics libraries
2241 if test "$rdma" != "no" ; then
2242   cat > $TMPC <<EOF
2243 #include <rdma/rdma_cma.h>
2244 int main(void) { return 0; }
2245 EOF
2246   rdma_libs="-lrdmacm -libverbs"
2247   if compile_prog "" "$rdma_libs" ; then
2248     rdma="yes"
2249     libs_softmmu="$libs_softmmu $rdma_libs"
2250   else
2251     if test "$rdma" = "yes" ; then
2252         error_exit \
2253             " OpenFabrics librdmacm/libibverbs not present." \
2254             " Your options:" \
2255             "  (1) Fast: Install infiniband packages from your distro." \
2256             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
2257             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
2258     fi
2259     rdma="no"
2260   fi
2261 fi
2262
2263 ##########################################
2264 # VNC TLS/WS detection
2265 if test "$vnc" = "yes" -a \( "$vnc_tls" != "no" -o "$vnc_ws" != "no" \) ; then
2266   cat > $TMPC <<EOF
2267 #include <gnutls/gnutls.h>
2268 int main(void) { gnutls_session_t s; gnutls_init(&s, GNUTLS_SERVER); return 0; }
2269 EOF
2270   vnc_tls_cflags=`$pkg_config --cflags gnutls 2> /dev/null`
2271   vnc_tls_libs=`$pkg_config --libs gnutls 2> /dev/null`
2272   if compile_prog "$vnc_tls_cflags" "$vnc_tls_libs" ; then
2273     if test "$vnc_tls" != "no" ; then
2274       vnc_tls=yes
2275     fi
2276     if test "$vnc_ws" != "no" ; then
2277       vnc_ws=yes
2278     fi
2279     libs_softmmu="$vnc_tls_libs $libs_softmmu"
2280     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_tls_cflags"
2281   else
2282     if test "$vnc_tls" = "yes" ; then
2283       feature_not_found "vnc-tls" "Install gnutls devel"
2284     fi
2285     if test "$vnc_ws" = "yes" ; then
2286       feature_not_found "vnc-ws" "Install gnutls devel"
2287     fi
2288     vnc_tls=no
2289     vnc_ws=no
2290   fi
2291 fi
2292
2293 ##########################################
2294 # Quorum probe (check for gnutls)
2295 if test "$quorum" != "no" ; then
2296 cat > $TMPC <<EOF
2297 #include <gnutls/gnutls.h>
2298 #include <gnutls/crypto.h>
2299 int main(void) {char data[4096], digest[32];
2300 gnutls_hash_fast(GNUTLS_DIG_SHA256, data, 4096, digest);
2301 return 0;
2302 }
2303 EOF
2304 quorum_tls_cflags=`$pkg_config --cflags gnutls 2> /dev/null`
2305 quorum_tls_libs=`$pkg_config --libs gnutls 2> /dev/null`
2306 if compile_prog "$quorum_tls_cflags" "$quorum_tls_libs" ; then
2307   qcow_tls=yes
2308   libs_softmmu="$quorum_tls_libs $libs_softmmu"
2309   libs_tools="$quorum_tls_libs $libs_softmmu"
2310   QEMU_CFLAGS="$QEMU_CFLAGS $quorum_tls_cflags"
2311   quorum="yes"
2312 else
2313   if test "$quorum" = "yes"; then
2314     feature_not_found "gnutls" "gnutls > 2.10.0 required to compile Quorum"
2315   fi
2316   quorum="no"
2317 fi
2318 fi
2319
2320 ##########################################
2321 # VNC SASL detection
2322 if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then
2323   cat > $TMPC <<EOF
2324 #include <sasl/sasl.h>
2325 #include <stdio.h>
2326 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
2327 EOF
2328   # Assuming Cyrus-SASL installed in /usr prefix
2329   vnc_sasl_cflags=""
2330   vnc_sasl_libs="-lsasl2"
2331   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
2332     vnc_sasl=yes
2333     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
2334     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
2335   else
2336     if test "$vnc_sasl" = "yes" ; then
2337       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
2338     fi
2339     vnc_sasl=no
2340   fi
2341 fi
2342
2343 ##########################################
2344 # VNC JPEG detection
2345 if test "$vnc" = "yes" -a "$vnc_jpeg" != "no" ; then
2346 cat > $TMPC <<EOF
2347 #include <stdio.h>
2348 #include <jpeglib.h>
2349 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
2350 EOF
2351     vnc_jpeg_cflags=""
2352     vnc_jpeg_libs="-ljpeg"
2353   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
2354     vnc_jpeg=yes
2355     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
2356     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
2357   else
2358     if test "$vnc_jpeg" = "yes" ; then
2359       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
2360     fi
2361     vnc_jpeg=no
2362   fi
2363 fi
2364
2365 ##########################################
2366 # VNC PNG detection
2367 if test "$vnc" = "yes" -a "$vnc_png" != "no" ; then
2368 cat > $TMPC <<EOF
2369 //#include <stdio.h>
2370 #include <png.h>
2371 #include <stddef.h>
2372 int main(void) {
2373     png_structp png_ptr;
2374     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
2375     return png_ptr != 0;
2376 }
2377 EOF
2378   if $pkg_config libpng --exists; then
2379     vnc_png_cflags=`$pkg_config libpng --cflags`
2380     vnc_png_libs=`$pkg_config libpng --libs`
2381   else
2382     vnc_png_cflags=""
2383     vnc_png_libs="-lpng"
2384   fi
2385   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
2386     vnc_png=yes
2387     libs_softmmu="$vnc_png_libs $libs_softmmu"
2388     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
2389   else
2390     if test "$vnc_png" = "yes" ; then
2391       feature_not_found "vnc-png" "Install libpng devel"
2392     fi
2393     vnc_png=no
2394   fi
2395 fi
2396
2397 ##########################################
2398 # fnmatch() probe, used for ACL routines
2399 fnmatch="no"
2400 cat > $TMPC << EOF
2401 #include <fnmatch.h>
2402 int main(void)
2403 {
2404     fnmatch("foo", "foo", 0);
2405     return 0;
2406 }
2407 EOF
2408 if compile_prog "" "" ; then
2409    fnmatch="yes"
2410 fi
2411
2412 ##########################################
2413 # uuid_generate() probe, used for vdi block driver
2414 # Note that on some systems (notably MacOSX) no extra library
2415 # need be linked to get the uuid functions.
2416 if test "$uuid" != "no" ; then
2417   uuid_libs="-luuid"
2418   cat > $TMPC << EOF
2419 #include <uuid/uuid.h>
2420 int main(void)
2421 {
2422     uuid_t my_uuid;
2423     uuid_generate(my_uuid);
2424     return 0;
2425 }
2426 EOF
2427   if compile_prog "" "" ; then
2428     uuid="yes"
2429   elif compile_prog "" "$uuid_libs" ; then
2430     uuid="yes"
2431     libs_softmmu="$uuid_libs $libs_softmmu"
2432     libs_tools="$uuid_libs $libs_tools"
2433   else
2434     if test "$uuid" = "yes" ; then
2435       feature_not_found "uuid" "Install libuuid devel"
2436     fi
2437     uuid=no
2438   fi
2439 fi
2440
2441 if test "$vhdx" = "yes" ; then
2442     if test "$uuid" = "no" ; then
2443         error_exit "uuid required for VHDX support"
2444     fi
2445 elif test "$vhdx" != "no" ; then
2446     if test "$uuid" = "yes" ; then
2447         vhdx=yes
2448     else
2449         vhdx=no
2450     fi
2451 fi
2452
2453 ##########################################
2454 # xfsctl() probe, used for raw-posix
2455 if test "$xfs" != "no" ; then
2456   cat > $TMPC << EOF
2457 #include <stddef.h>  /* NULL */
2458 #include <xfs/xfs.h>
2459 int main(void)
2460 {
2461     xfsctl(NULL, 0, 0, NULL);
2462     return 0;
2463 }
2464 EOF
2465   if compile_prog "" "" ; then
2466     xfs="yes"
2467   else
2468     if test "$xfs" = "yes" ; then
2469       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
2470     fi
2471     xfs=no
2472   fi
2473 fi
2474
2475 ##########################################
2476 # vde libraries probe
2477 if test "$vde" != "no" ; then
2478   vde_libs="-lvdeplug"
2479   cat > $TMPC << EOF
2480 #include <libvdeplug.h>
2481 int main(void)
2482 {
2483     struct vde_open_args a = {0, 0, 0};
2484     char s[] = "";
2485     vde_open(s, s, &a);
2486     return 0;
2487 }
2488 EOF
2489   if compile_prog "" "$vde_libs" ; then
2490     vde=yes
2491     libs_softmmu="$vde_libs $libs_softmmu"
2492     libs_tools="$vde_libs $libs_tools"
2493   else
2494     if test "$vde" = "yes" ; then
2495       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
2496     fi
2497     vde=no
2498   fi
2499 fi
2500
2501 ##########################################
2502 # netmap support probe
2503 # Apart from looking for netmap headers, we make sure that the host API version
2504 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
2505 # a minor/major version number. Minor new features will be marked with values up
2506 # to 15, and if something happens that requires a change to the backend we will
2507 # move above 15, submit the backend fixes and modify this two bounds.
2508 if test "$netmap" != "no" ; then
2509   cat > $TMPC << EOF
2510 #include <inttypes.h>
2511 #include <net/if.h>
2512 #include <net/netmap.h>
2513 #include <net/netmap_user.h>
2514 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2515 #error
2516 #endif
2517 int main(void) { return 0; }
2518 EOF
2519   if compile_prog "" "" ; then
2520     netmap=yes
2521   else
2522     if test "$netmap" = "yes" ; then
2523       feature_not_found "netmap"
2524     fi
2525     netmap=no
2526   fi
2527 fi
2528
2529 ##########################################
2530 # libcap-ng library probe
2531 if test "$cap_ng" != "no" ; then
2532   cap_libs="-lcap-ng"
2533   cat > $TMPC << EOF
2534 #include <cap-ng.h>
2535 int main(void)
2536 {
2537     capng_capability_to_name(CAPNG_EFFECTIVE);
2538     return 0;
2539 }
2540 EOF
2541   if compile_prog "" "$cap_libs" ; then
2542     cap_ng=yes
2543     libs_tools="$cap_libs $libs_tools"
2544   else
2545     if test "$cap_ng" = "yes" ; then
2546       feature_not_found "cap_ng" "Install libcap-ng devel"
2547     fi
2548     cap_ng=no
2549   fi
2550 fi
2551
2552 ##########################################
2553 # Sound support libraries probe
2554
2555 audio_drv_probe()
2556 {
2557     drv=$1
2558     hdr=$2
2559     lib=$3
2560     exp=$4
2561     cfl=$5
2562         cat > $TMPC << EOF
2563 #include <$hdr>
2564 int main(void) { $exp }
2565 EOF
2566     if compile_prog "$cfl" "$lib" ; then
2567         :
2568     else
2569         error_exit "$drv check failed" \
2570             "Make sure to have the $drv libs and headers installed."
2571     fi
2572 }
2573
2574 audio_drv_list=`echo "$audio_drv_list" | sed -e 's/,/ /g'`
2575 for drv in $audio_drv_list; do
2576     case $drv in
2577     alsa)
2578     audio_drv_probe $drv alsa/asoundlib.h -lasound \
2579         "return snd_pcm_close((snd_pcm_t *)0);"
2580     libs_softmmu="-lasound $libs_softmmu"
2581     ;;
2582
2583     pa)
2584     audio_drv_probe $drv pulse/mainloop.h "-lpulse" \
2585         "pa_mainloop *m = 0; pa_mainloop_free (m); return 0;"
2586     libs_softmmu="-lpulse $libs_softmmu"
2587     audio_pt_int="yes"
2588     ;;
2589
2590     coreaudio)
2591       libs_softmmu="-framework CoreAudio $libs_softmmu"
2592     ;;
2593
2594     dsound)
2595       libs_softmmu="-lole32 -ldxguid $libs_softmmu"
2596       audio_win_int="yes"
2597     ;;
2598
2599     oss)
2600       libs_softmmu="$oss_lib $libs_softmmu"
2601     ;;
2602
2603     sdl|wav)
2604     # XXX: Probes for CoreAudio, DirectSound, SDL(?)
2605     ;;
2606
2607     *)
2608     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
2609         error_exit "Unknown driver '$drv' selected" \
2610             "Possible drivers are: $audio_possible_drivers"
2611     }
2612     ;;
2613     esac
2614 done
2615
2616 ##########################################
2617 # BrlAPI probe
2618
2619 if test "$brlapi" != "no" ; then
2620   brlapi_libs="-lbrlapi"
2621   cat > $TMPC << EOF
2622 #include <brlapi.h>
2623 #include <stddef.h>
2624 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
2625 EOF
2626   if compile_prog "" "$brlapi_libs" ; then
2627     brlapi=yes
2628     libs_softmmu="$brlapi_libs $libs_softmmu"
2629   else
2630     if test "$brlapi" = "yes" ; then
2631       feature_not_found "brlapi" "Install brlapi devel"
2632     fi
2633     brlapi=no
2634   fi
2635 fi
2636
2637 ##########################################
2638 # curses probe
2639 if test "$curses" != "no" ; then
2640   if test "$mingw32" = "yes" ; then
2641     curses_list="-lpdcurses"
2642   else
2643     curses_list="$($pkg_config --libs ncurses 2>/dev/null):-lncurses:-lcurses"
2644   fi
2645   curses_found=no
2646   cat > $TMPC << EOF
2647 #include <curses.h>
2648 int main(void) {
2649   const char *s = curses_version();
2650   resize_term(0, 0);
2651   return s != 0;
2652 }
2653 EOF
2654   IFS=:
2655   for curses_lib in $curses_list; do
2656     unset IFS
2657     if compile_prog "" "$curses_lib" ; then
2658       curses_found=yes
2659       libs_softmmu="$curses_lib $libs_softmmu"
2660       break
2661     fi
2662   done
2663   unset IFS
2664   if test "$curses_found" = "yes" ; then
2665     curses=yes
2666   else
2667     if test "$curses" = "yes" ; then
2668       feature_not_found "curses" "Install ncurses devel"
2669     fi
2670     curses=no
2671   fi
2672 fi
2673
2674 ##########################################
2675 # curl probe
2676 if test "$curl" != "no" ; then
2677   if $pkg_config libcurl --exists; then
2678     curlconfig="$pkg_config libcurl"
2679   else
2680     curlconfig=curl-config
2681   fi
2682   cat > $TMPC << EOF
2683 #include <curl/curl.h>
2684 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
2685 EOF
2686   curl_cflags=`$curlconfig --cflags 2>/dev/null`
2687   curl_libs=`$curlconfig --libs 2>/dev/null`
2688   if compile_prog "$curl_cflags" "$curl_libs" ; then
2689     curl=yes
2690   else
2691     if test "$curl" = "yes" ; then
2692       feature_not_found "curl" "Install libcurl devel"
2693     fi
2694     curl=no
2695   fi
2696 fi # test "$curl"
2697
2698 ##########################################
2699 # bluez support probe
2700 if test "$bluez" != "no" ; then
2701   cat > $TMPC << EOF
2702 #include <bluetooth/bluetooth.h>
2703 int main(void) { return bt_error(0); }
2704 EOF
2705   bluez_cflags=`$pkg_config --cflags bluez 2> /dev/null`
2706   bluez_libs=`$pkg_config --libs bluez 2> /dev/null`
2707   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
2708     bluez=yes
2709     libs_softmmu="$bluez_libs $libs_softmmu"
2710   else
2711     if test "$bluez" = "yes" ; then
2712       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
2713     fi
2714     bluez="no"
2715   fi
2716 fi
2717
2718 ##########################################
2719 # glib support probe
2720
2721 glib_req_ver=2.22
2722 glib_modules=gthread-2.0
2723 if test "$modules" = yes; then
2724     glib_modules="$glib_modules gmodule-2.0"
2725 fi
2726
2727 for i in $glib_modules; do
2728     if $pkg_config --atleast-version=$glib_req_ver $i; then
2729         glib_cflags=`$pkg_config --cflags $i`
2730         glib_libs=`$pkg_config --libs $i`
2731         CFLAGS="$glib_cflags $CFLAGS"
2732         LIBS="$glib_libs $LIBS"
2733         libs_qga="$glib_libs $libs_qga"
2734     else
2735         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
2736     fi
2737 done
2738
2739 # g_test_trap_subprocess added in 2.38. Used by some tests.
2740 glib_subprocess=yes
2741 if ! $pkg_config --atleast-version=2.38 glib-2.0; then
2742     glib_subprocess=no
2743 fi
2744
2745 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
2746 cat > $TMPC << EOF
2747 #include <glib.h>
2748 int main(void) { return 0; }
2749 EOF
2750 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
2751     if cc_has_warning_flag "-Wno-unknown-attributes"; then
2752         glib_cflags="-Wno-unknown-attributes $glib_cflags"
2753         CFLAGS="-Wno-unknown-attributes $CFLAGS"
2754     fi
2755 fi
2756
2757 ##########################################
2758 # SHA command probe for modules
2759 if test "$modules" = yes; then
2760     shacmd_probe="sha1sum sha1 shasum"
2761     for c in $shacmd_probe; do
2762         if has $c; then
2763             shacmd="$c"
2764             break
2765         fi
2766     done
2767     if test "$shacmd" = ""; then
2768         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
2769     fi
2770 fi
2771
2772 ##########################################
2773 # pixman support probe
2774
2775 if test "$pixman" = ""; then
2776   if test "$want_tools" = "no" -a "$softmmu" = "no"; then
2777     pixman="none"
2778   elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
2779     pixman="system"
2780   else
2781     pixman="internal"
2782   fi
2783 fi
2784 if test "$pixman" = "none"; then
2785   if test "$want_tools" != "no" -o "$softmmu" != "no"; then
2786     error_exit "pixman disabled but system emulation or tools build" \
2787         "enabled.  You can turn off pixman only if you also" \
2788         "disable all system emulation targets and the tools" \
2789         "build with '--disable-tools --disable-system'."
2790   fi
2791   pixman_cflags=
2792   pixman_libs=
2793 elif test "$pixman" = "system"; then
2794   # pixman version has been checked above
2795   pixman_cflags=`$pkg_config --cflags pixman-1`
2796   pixman_libs=`$pkg_config --libs pixman-1`
2797 else
2798   if test ! -d ${source_path}/pixman/pixman; then
2799     error_exit "pixman >= 0.21.8 not present. Your options:" \
2800         "  (1) Preferred: Install the pixman devel package (any recent" \
2801         "      distro should have packages as Xorg needs pixman too)." \
2802         "  (2) Fetch the pixman submodule, using:" \
2803         "      git submodule update --init pixman"
2804   fi
2805   mkdir -p pixman/pixman
2806   pixman_cflags="-I\$(SRC_PATH)/pixman/pixman -I\$(BUILD_DIR)/pixman/pixman"
2807   pixman_libs="-L\$(BUILD_DIR)/pixman/pixman/.libs -lpixman-1"
2808 fi
2809
2810 ##########################################
2811 # libcap probe
2812
2813 if test "$cap" != "no" ; then
2814   cat > $TMPC <<EOF
2815 #include <stdio.h>
2816 #include <sys/capability.h>
2817 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
2818 EOF
2819   if compile_prog "" "-lcap" ; then
2820     cap=yes
2821   else
2822     cap=no
2823   fi
2824 fi
2825
2826 ##########################################
2827 # pthread probe
2828 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
2829
2830 pthread=no
2831 cat > $TMPC << EOF
2832 #include <pthread.h>
2833 static void *f(void *p) { return NULL; }
2834 int main(void) {
2835   pthread_t thread;
2836   pthread_create(&thread, 0, f, 0);
2837   return 0;
2838 }
2839 EOF
2840 if compile_prog "" "" ; then
2841   pthread=yes
2842 else
2843   for pthread_lib in $PTHREADLIBS_LIST; do
2844     if compile_prog "" "$pthread_lib" ; then
2845       pthread=yes
2846       found=no
2847       for lib_entry in $LIBS; do
2848         if test "$lib_entry" = "$pthread_lib"; then
2849           found=yes
2850           break
2851         fi
2852       done
2853       if test "$found" = "no"; then
2854         LIBS="$pthread_lib $LIBS"
2855       fi
2856       break
2857     fi
2858   done
2859 fi
2860
2861 if test "$mingw32" != yes -a "$pthread" = no; then
2862   error_exit "pthread check failed" \
2863       "Make sure to have the pthread libs and headers installed."
2864 fi
2865
2866 # check for pthread_setname_np
2867 pthread_setname_np=no
2868 cat > $TMPC << EOF
2869 #include <pthread.h>
2870
2871 static void *f(void *p) { return NULL; }
2872 int main(void)
2873 {
2874     pthread_t thread;
2875     pthread_create(&thread, 0, f, 0);
2876     pthread_setname_np(thread, "QEMU");
2877     return 0;
2878 }
2879 EOF
2880 if compile_prog "" "$pthread_lib" ; then
2881   pthread_setname_np=yes
2882 fi
2883
2884 ##########################################
2885 # rbd probe
2886 if test "$rbd" != "no" ; then
2887   cat > $TMPC <<EOF
2888 #include <stdio.h>
2889 #include <rbd/librbd.h>
2890 int main(void) {
2891     rados_t cluster;
2892     rados_create(&cluster, NULL);
2893     return 0;
2894 }
2895 EOF
2896   rbd_libs="-lrbd -lrados"
2897   if compile_prog "" "$rbd_libs" ; then
2898     rbd=yes
2899   else
2900     if test "$rbd" = "yes" ; then
2901       feature_not_found "rados block device" "Install librbd/ceph devel"
2902     fi
2903     rbd=no
2904   fi
2905 fi
2906
2907 ##########################################
2908 # libssh2 probe
2909 min_libssh2_version=1.2.8
2910 if test "$libssh2" != "no" ; then
2911   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
2912     libssh2_cflags=`$pkg_config libssh2 --cflags`
2913     libssh2_libs=`$pkg_config libssh2 --libs`
2914     libssh2=yes
2915   else
2916     if test "$libssh2" = "yes" ; then
2917       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
2918     fi
2919     libssh2=no
2920   fi
2921 fi
2922
2923 ##########################################
2924 # libssh2_sftp_fsync probe
2925
2926 if test "$libssh2" = "yes"; then
2927   cat > $TMPC <<EOF
2928 #include <stdio.h>
2929 #include <libssh2.h>
2930 #include <libssh2_sftp.h>
2931 int main(void) {
2932     LIBSSH2_SESSION *session;
2933     LIBSSH2_SFTP *sftp;
2934     LIBSSH2_SFTP_HANDLE *sftp_handle;
2935     session = libssh2_session_init ();
2936     sftp = libssh2_sftp_init (session);
2937     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
2938     libssh2_sftp_fsync (sftp_handle);
2939     return 0;
2940 }
2941 EOF
2942   # libssh2_cflags/libssh2_libs defined in previous test.
2943   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
2944     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
2945   fi
2946 fi
2947
2948 ##########################################
2949 # linux-aio probe
2950
2951 if test "$linux_aio" != "no" ; then
2952   cat > $TMPC <<EOF
2953 #include <libaio.h>
2954 #include <sys/eventfd.h>
2955 #include <stddef.h>
2956 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
2957 EOF
2958   if compile_prog "" "-laio" ; then
2959     linux_aio=yes
2960   else
2961     if test "$linux_aio" = "yes" ; then
2962       feature_not_found "linux AIO" "Install libaio devel"
2963     fi
2964     linux_aio=no
2965   fi
2966 fi
2967
2968 ##########################################
2969 # TPM passthrough is only on x86 Linux
2970
2971 if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
2972   tpm_passthrough=$tpm
2973 else
2974   tpm_passthrough=no
2975 fi
2976
2977 ##########################################
2978 # attr probe
2979
2980 if test "$attr" != "no" ; then
2981   cat > $TMPC <<EOF
2982 #include <stdio.h>
2983 #include <sys/types.h>
2984 #ifdef CONFIG_LIBATTR
2985 #include <attr/xattr.h>
2986 #else
2987 #include <sys/xattr.h>
2988 #endif
2989 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
2990 EOF
2991   if compile_prog "" "" ; then
2992     attr=yes
2993   # Older distros have <attr/xattr.h>, and need -lattr:
2994   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
2995     attr=yes
2996     LIBS="-lattr $LIBS"
2997     libattr=yes
2998   else
2999     if test "$attr" = "yes" ; then
3000       feature_not_found "ATTR" "Install libc6 or libattr devel"
3001     fi
3002     attr=no
3003   fi
3004 fi
3005
3006 ##########################################
3007 # iovec probe
3008 cat > $TMPC <<EOF
3009 #include <sys/types.h>
3010 #include <sys/uio.h>
3011 #include <unistd.h>
3012 int main(void) { return sizeof(struct iovec); }
3013 EOF
3014 iovec=no
3015 if compile_prog "" "" ; then
3016   iovec=yes
3017 fi
3018
3019 ##########################################
3020 # preadv probe
3021 cat > $TMPC <<EOF
3022 #include <sys/types.h>
3023 #include <sys/uio.h>
3024 #include <unistd.h>
3025 int main(void) { return preadv(0, 0, 0, 0); }
3026 EOF
3027 preadv=no
3028 if compile_prog "" "" ; then
3029   preadv=yes
3030 fi
3031
3032 ##########################################
3033 # fdt probe
3034 # fdt support is mandatory for at least some target architectures,
3035 # so insist on it if we're building those system emulators.
3036 fdt_required=no
3037 for target in $target_list; do
3038   case $target in
3039     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu)
3040       fdt_required=yes
3041     ;;
3042   esac
3043 done
3044
3045 if test "$fdt_required" = "yes"; then
3046   if test "$fdt" = "no"; then
3047     error_exit "fdt disabled but some requested targets require it." \
3048       "You can turn off fdt only if you also disable all the system emulation" \
3049       "targets which need it (by specifying a cut down --target-list)."
3050   fi
3051   fdt=yes
3052 fi
3053
3054 if test "$fdt" != "no" ; then
3055   fdt_libs="-lfdt"
3056   # explicitly check for libfdt_env.h as it is missing in some stable installs
3057   # and test for required functions to make sure we are on a version >= 1.4.0
3058   cat > $TMPC << EOF
3059 #include <libfdt.h>
3060 #include <libfdt_env.h>
3061 int main(void) { fdt_get_property_by_offset(0, 0, 0); return 0; }
3062 EOF
3063   if compile_prog "" "$fdt_libs" ; then
3064     # system DTC is good - use it
3065     fdt=yes
3066   elif test -d ${source_path}/dtc/libfdt ; then
3067     # have submodule DTC - use it
3068     fdt=yes
3069     dtc_internal="yes"
3070     mkdir -p dtc
3071     if [ "$pwd_is_source_path" != "y" ] ; then
3072        symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3073        symlink "$source_path/dtc/scripts" "dtc/scripts"
3074     fi
3075     fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3076     fdt_libs="-L\$(BUILD_DIR)/dtc/libfdt $fdt_libs"
3077   elif test "$fdt" = "yes" ; then
3078     # have neither and want - prompt for system/submodule install
3079     error_exit "DTC (libfdt) version >= 1.4.0 not present. Your options:" \
3080         "  (1) Preferred: Install the DTC (libfdt) devel package" \
3081         "  (2) Fetch the DTC submodule, using:" \
3082         "      git submodule update --init dtc"
3083   else
3084     # don't have and don't want
3085     fdt_libs=
3086     fdt=no
3087   fi
3088 fi
3089
3090 libs_softmmu="$libs_softmmu $fdt_libs"
3091
3092 ##########################################
3093 # opengl probe (for sdl2, milkymist-tmu2)
3094
3095 # GLX probe, used by milkymist-tmu2
3096 # this is temporary, code will be switched to egl mid-term.
3097 cat > $TMPC << EOF
3098 #include <X11/Xlib.h>
3099 #include <GL/gl.h>
3100 #include <GL/glx.h>
3101 int main(void) { glBegin(0); glXQueryVersion(0,0,0); return 0; }
3102 EOF
3103 if compile_prog "" "-lGL -lX11" ; then
3104   have_glx=yes
3105 else
3106   have_glx=no
3107 fi
3108
3109 if test "$opengl" != "no" ; then
3110   opengl_pkgs="gl glesv2 epoxy egl"
3111   if $pkg_config $opengl_pkgs x11 && test "$have_glx" = "yes"; then
3112     opengl_cflags="$($pkg_config --cflags $opengl_pkgs) $x11_cflags"
3113     opengl_libs="$($pkg_config --libs $opengl_pkgs) $x11_libs"
3114     opengl=yes
3115   else
3116     if test "$opengl" = "yes" ; then
3117       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3118     fi
3119     opengl_cflags=""
3120     opengl_libs=""
3121     opengl=no
3122   fi
3123 fi
3124
3125
3126 ##########################################
3127 # archipelago probe
3128 if test "$archipelago" != "no" ; then
3129     cat > $TMPC <<EOF
3130 #include <stdio.h>
3131 #include <xseg/xseg.h>
3132 #include <xseg/protocol.h>
3133 int main(void) {
3134     xseg_initialize();
3135     return 0;
3136 }
3137 EOF
3138     archipelago_libs=-lxseg
3139     if compile_prog "" "$archipelago_libs"; then
3140         archipelago="yes"
3141         libs_tools="$archipelago_libs $libs_tools"
3142         libs_softmmu="$archipelago_libs $libs_softmmu"
3143
3144         echo "WARNING: Please check the licenses of QEMU and libxseg carefully."
3145         echo "GPLv3 versions of libxseg may not be compatible with QEMU's"
3146         echo "license and therefore prevent redistribution."
3147         echo
3148         echo "To disable Archipelago, use --disable-archipelago"
3149     else
3150       if test "$archipelago" = "yes" ; then
3151         feature_not_found "Archipelago backend support" "Install libxseg devel"
3152       fi
3153       archipelago="no"
3154     fi
3155 fi
3156
3157
3158 ##########################################
3159 # glusterfs probe
3160 if test "$glusterfs" != "no" ; then
3161   if $pkg_config --atleast-version=3 glusterfs-api; then
3162     glusterfs="yes"
3163     glusterfs_cflags=`$pkg_config --cflags glusterfs-api`
3164     glusterfs_libs=`$pkg_config --libs glusterfs-api`
3165     if $pkg_config --atleast-version=5 glusterfs-api; then
3166       glusterfs_discard="yes"
3167     fi
3168     if $pkg_config --atleast-version=6 glusterfs-api; then
3169       glusterfs_zerofill="yes"
3170     fi
3171   else
3172     if test "$glusterfs" = "yes" ; then
3173       feature_not_found "GlusterFS backend support" \
3174           "Install glusterfs-api devel >= 3"
3175     fi
3176     glusterfs="no"
3177   fi
3178 fi
3179
3180 # Check for inotify functions when we are building linux-user
3181 # emulator.  This is done because older glibc versions don't
3182 # have syscall stubs for these implemented.  In that case we
3183 # don't provide them even if kernel supports them.
3184 #
3185 inotify=no
3186 cat > $TMPC << EOF
3187 #include <sys/inotify.h>
3188
3189 int
3190 main(void)
3191 {
3192         /* try to start inotify */
3193         return inotify_init();
3194 }
3195 EOF
3196 if compile_prog "" "" ; then
3197   inotify=yes
3198 fi
3199
3200 inotify1=no
3201 cat > $TMPC << EOF
3202 #include <sys/inotify.h>
3203
3204 int
3205 main(void)
3206 {
3207     /* try to start inotify */
3208     return inotify_init1(0);
3209 }
3210 EOF
3211 if compile_prog "" "" ; then
3212   inotify1=yes
3213 fi
3214
3215 # check if utimensat and futimens are supported
3216 utimens=no
3217 cat > $TMPC << EOF
3218 #define _ATFILE_SOURCE
3219 #include <stddef.h>
3220 #include <fcntl.h>
3221 #include <sys/stat.h>
3222
3223 int main(void)
3224 {
3225     utimensat(AT_FDCWD, "foo", NULL, 0);
3226     futimens(0, NULL);
3227     return 0;
3228 }
3229 EOF
3230 if compile_prog "" "" ; then
3231   utimens=yes
3232 fi
3233
3234 # check if pipe2 is there
3235 pipe2=no
3236 cat > $TMPC << EOF
3237 #include <unistd.h>
3238 #include <fcntl.h>
3239
3240 int main(void)
3241 {
3242     int pipefd[2];
3243     return pipe2(pipefd, O_CLOEXEC);
3244 }
3245 EOF
3246 if compile_prog "" "" ; then
3247   pipe2=yes
3248 fi
3249
3250 # check if accept4 is there
3251 accept4=no
3252 cat > $TMPC << EOF
3253 #include <sys/socket.h>
3254 #include <stddef.h>
3255
3256 int main(void)
3257 {
3258     accept4(0, NULL, NULL, SOCK_CLOEXEC);
3259     return 0;
3260 }
3261 EOF
3262 if compile_prog "" "" ; then
3263   accept4=yes
3264 fi
3265
3266 # check if tee/splice is there. vmsplice was added same time.
3267 splice=no
3268 cat > $TMPC << EOF
3269 #include <unistd.h>
3270 #include <fcntl.h>
3271 #include <limits.h>
3272
3273 int main(void)
3274 {
3275     int len, fd = 0;
3276     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3277     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3278     return 0;
3279 }
3280 EOF
3281 if compile_prog "" "" ; then
3282   splice=yes
3283 fi
3284
3285 ##########################################
3286 # libnuma probe
3287
3288 if test "$numa" != "no" ; then
3289   cat > $TMPC << EOF
3290 #include <numa.h>
3291 int main(void) { return numa_available(); }
3292 EOF
3293
3294   if compile_prog "" "-lnuma" ; then
3295     numa=yes
3296     libs_softmmu="-lnuma $libs_softmmu"
3297   else
3298     if test "$numa" = "yes" ; then
3299       feature_not_found "numa" "install numactl devel"
3300     fi
3301     numa=no
3302   fi
3303 fi
3304
3305 ##########################################
3306 # tcmalloc probe
3307
3308 if test "$tcmalloc" = "yes" ; then
3309   cat > $TMPC << EOF
3310 #include <stdlib.h>
3311 int main(void) { malloc(1); return 0; }
3312 EOF
3313
3314   if compile_prog "" "-ltcmalloc" ; then
3315     LIBS="-ltcmalloc $LIBS"
3316   else
3317     feature_not_found "tcmalloc" "install gperftools devel"
3318   fi
3319 fi
3320
3321 ##########################################
3322 # signalfd probe
3323 signalfd="no"
3324 cat > $TMPC << EOF
3325 #include <unistd.h>
3326 #include <sys/syscall.h>
3327 #include <signal.h>
3328 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
3329 EOF
3330
3331 if compile_prog "" "" ; then
3332   signalfd=yes
3333 fi
3334
3335 # check if eventfd is supported
3336 eventfd=no
3337 cat > $TMPC << EOF
3338 #include <sys/eventfd.h>
3339
3340 int main(void)
3341 {
3342     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
3343 }
3344 EOF
3345 if compile_prog "" "" ; then
3346   eventfd=yes
3347 fi
3348
3349 # check for fallocate
3350 fallocate=no
3351 cat > $TMPC << EOF
3352 #include <fcntl.h>
3353
3354 int main(void)
3355 {
3356     fallocate(0, 0, 0, 0);
3357     return 0;
3358 }
3359 EOF
3360 if compile_prog "" "" ; then
3361   fallocate=yes
3362 fi
3363
3364 # check for fallocate hole punching
3365 fallocate_punch_hole=no
3366 cat > $TMPC << EOF
3367 #include <fcntl.h>
3368 #include <linux/falloc.h>
3369
3370 int main(void)
3371 {
3372     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
3373     return 0;
3374 }
3375 EOF
3376 if compile_prog "" "" ; then
3377   fallocate_punch_hole=yes
3378 fi
3379
3380 # check that fallocate supports range zeroing inside the file
3381 fallocate_zero_range=no
3382 cat > $TMPC << EOF
3383 #include <fcntl.h>
3384 #include <linux/falloc.h>
3385
3386 int main(void)
3387 {
3388     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
3389     return 0;
3390 }
3391 EOF
3392 if compile_prog "" "" ; then
3393   fallocate_zero_range=yes
3394 fi
3395
3396 # check for posix_fallocate
3397 posix_fallocate=no
3398 cat > $TMPC << EOF
3399 #include <fcntl.h>
3400
3401 int main(void)
3402 {
3403     posix_fallocate(0, 0, 0);
3404     return 0;
3405 }
3406 EOF
3407 if compile_prog "" "" ; then
3408     posix_fallocate=yes
3409 fi
3410
3411 # check for sync_file_range
3412 sync_file_range=no
3413 cat > $TMPC << EOF
3414 #include <fcntl.h>
3415
3416 int main(void)
3417 {
3418     sync_file_range(0, 0, 0, 0);
3419     return 0;
3420 }
3421 EOF
3422 if compile_prog "" "" ; then
3423   sync_file_range=yes
3424 fi
3425
3426 # check for linux/fiemap.h and FS_IOC_FIEMAP
3427 fiemap=no
3428 cat > $TMPC << EOF
3429 #include <sys/ioctl.h>
3430 #include <linux/fs.h>
3431 #include <linux/fiemap.h>
3432
3433 int main(void)
3434 {
3435     ioctl(0, FS_IOC_FIEMAP, 0);
3436     return 0;
3437 }
3438 EOF
3439 if compile_prog "" "" ; then
3440   fiemap=yes
3441 fi
3442
3443 # check for dup3
3444 dup3=no
3445 cat > $TMPC << EOF
3446 #include <unistd.h>
3447
3448 int main(void)
3449 {
3450     dup3(0, 0, 0);
3451     return 0;
3452 }
3453 EOF
3454 if compile_prog "" "" ; then
3455   dup3=yes
3456 fi
3457
3458 # check for ppoll support
3459 ppoll=no
3460 cat > $TMPC << EOF
3461 #include <poll.h>
3462
3463 int main(void)
3464 {
3465     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
3466     ppoll(&pfd, 1, 0, 0);
3467     return 0;
3468 }
3469 EOF
3470 if compile_prog "" "" ; then
3471   ppoll=yes
3472 fi
3473
3474 # check for prctl(PR_SET_TIMERSLACK , ... ) support
3475 prctl_pr_set_timerslack=no
3476 cat > $TMPC << EOF
3477 #include <sys/prctl.h>
3478
3479 int main(void)
3480 {
3481     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
3482     return 0;
3483 }
3484 EOF
3485 if compile_prog "" "" ; then
3486   prctl_pr_set_timerslack=yes
3487 fi
3488
3489 # check for epoll support
3490 epoll=no
3491 cat > $TMPC << EOF
3492 #include <sys/epoll.h>
3493
3494 int main(void)
3495 {
3496     epoll_create(0);
3497     return 0;
3498 }
3499 EOF
3500 if compile_prog "" "" ; then
3501   epoll=yes
3502 fi
3503
3504 # epoll_create1 and epoll_pwait are later additions
3505 # so we must check separately for their presence
3506 epoll_create1=no
3507 cat > $TMPC << EOF
3508 #include <sys/epoll.h>
3509
3510 int main(void)
3511 {
3512     /* Note that we use epoll_create1 as a value, not as
3513      * a function being called. This is necessary so that on
3514      * old SPARC glibc versions where the function was present in
3515      * the library but not declared in the header file we will
3516      * fail the configure check. (Otherwise we will get a compiler
3517      * warning but not an error, and will proceed to fail the
3518      * qemu compile where we compile with -Werror.)
3519      */
3520     return (int)(uintptr_t)&epoll_create1;
3521 }
3522 EOF
3523 if compile_prog "" "" ; then
3524   epoll_create1=yes
3525 fi
3526
3527 epoll_pwait=no
3528 cat > $TMPC << EOF
3529 #include <sys/epoll.h>
3530
3531 int main(void)
3532 {
3533     epoll_pwait(0, 0, 0, 0, 0);
3534     return 0;
3535 }
3536 EOF
3537 if compile_prog "" "" ; then
3538   epoll_pwait=yes
3539 fi
3540
3541 # check for sendfile support
3542 sendfile=no
3543 cat > $TMPC << EOF
3544 #include <sys/sendfile.h>
3545
3546 int main(void)
3547 {
3548     return sendfile(0, 0, 0, 0);
3549 }
3550 EOF
3551 if compile_prog "" "" ; then
3552   sendfile=yes
3553 fi
3554
3555 # check for timerfd support (glibc 2.8 and newer)
3556 timerfd=no
3557 cat > $TMPC << EOF
3558 #include <sys/timerfd.h>
3559
3560 int main(void)
3561 {
3562     return(timerfd_create(CLOCK_REALTIME, 0));
3563 }
3564 EOF
3565 if compile_prog "" "" ; then
3566   timerfd=yes
3567 fi
3568
3569 # check for setns and unshare support
3570 setns=no
3571 cat > $TMPC << EOF
3572 #include <sched.h>
3573
3574 int main(void)
3575 {
3576     int ret;
3577     ret = setns(0, 0);
3578     ret = unshare(0);
3579     return ret;
3580 }
3581 EOF
3582 if compile_prog "" "" ; then
3583   setns=yes
3584 fi
3585
3586 # Check if tools are available to build documentation.
3587 if test "$docs" != "no" ; then
3588   if has makeinfo && has pod2man; then
3589     docs=yes
3590   else
3591     if test "$docs" = "yes" ; then
3592       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
3593     fi
3594     docs=no
3595   fi
3596 fi
3597
3598 # Search for bswap_32 function
3599 byteswap_h=no
3600 cat > $TMPC << EOF
3601 #include <byteswap.h>
3602 int main(void) { return bswap_32(0); }
3603 EOF
3604 if compile_prog "" "" ; then
3605   byteswap_h=yes
3606 fi
3607
3608 # Search for bswap32 function
3609 bswap_h=no
3610 cat > $TMPC << EOF
3611 #include <sys/endian.h>
3612 #include <sys/types.h>
3613 #include <machine/bswap.h>
3614 int main(void) { return bswap32(0); }
3615 EOF
3616 if compile_prog "" "" ; then
3617   bswap_h=yes
3618 fi
3619
3620 ##########################################
3621 # Do we have libiscsi >= 1.9.0
3622 if test "$libiscsi" != "no" ; then
3623   if $pkg_config --atleast-version=1.9.0 libiscsi; then
3624     libiscsi="yes"
3625     libiscsi_cflags=$($pkg_config --cflags libiscsi)
3626     libiscsi_libs=$($pkg_config --libs libiscsi)
3627   else
3628     if test "$libiscsi" = "yes" ; then
3629       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
3630     fi
3631     libiscsi="no"
3632   fi
3633 fi
3634
3635 ##########################################
3636 # Do we need libm
3637 cat > $TMPC << EOF
3638 #include <math.h>
3639 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
3640 EOF
3641 if compile_prog "" "" ; then
3642   :
3643 elif compile_prog "" "-lm" ; then
3644   LIBS="-lm $LIBS"
3645   libs_qga="-lm $libs_qga"
3646 else
3647   error_exit "libm check failed"
3648 fi
3649
3650 ##########################################
3651 # Do we need librt
3652 # uClibc provides 2 versions of clock_gettime(), one with realtime
3653 # support and one without. This means that the clock_gettime() don't
3654 # need -lrt. We still need it for timer_create() so we check for this
3655 # function in addition.
3656 cat > $TMPC <<EOF
3657 #include <signal.h>
3658 #include <time.h>
3659 int main(void) {
3660   timer_create(CLOCK_REALTIME, NULL, NULL);
3661   return clock_gettime(CLOCK_REALTIME, NULL);
3662 }
3663 EOF
3664
3665 if compile_prog "" "" ; then
3666   :
3667 # we need pthread for static linking. use previous pthread test result
3668 elif compile_prog "" "$pthread_lib -lrt" ; then
3669   LIBS="$LIBS -lrt"
3670   libs_qga="$libs_qga -lrt"
3671 fi
3672
3673 if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
3674         "$aix" != "yes" -a "$haiku" != "yes" ; then
3675     libs_softmmu="-lutil $libs_softmmu"
3676 fi
3677
3678 ##########################################
3679 # spice probe
3680 if test "$spice" != "no" ; then
3681   cat > $TMPC << EOF
3682 #include <spice.h>
3683 int main(void) { spice_server_new(); return 0; }
3684 EOF
3685   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
3686   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
3687   if $pkg_config --atleast-version=0.12.0 spice-server && \
3688      $pkg_config --atleast-version=0.12.3 spice-protocol && \
3689      compile_prog "$spice_cflags" "$spice_libs" ; then
3690     spice="yes"
3691     libs_softmmu="$libs_softmmu $spice_libs"
3692     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
3693     spice_protocol_version=$($pkg_config --modversion spice-protocol)
3694     spice_server_version=$($pkg_config --modversion spice-server)
3695   else
3696     if test "$spice" = "yes" ; then
3697       feature_not_found "spice" \
3698           "Install spice-server(>=0.12.0) and spice-protocol(>=0.12.3) devel"
3699     fi
3700     spice="no"
3701   fi
3702 fi
3703
3704 # check for libcacard for smartcard support
3705 smartcard_cflags=""
3706 # TODO - what's the minimal nss version we support?
3707 if test "$smartcard_nss" != "no"; then
3708   cat > $TMPC << EOF
3709 #include <pk11pub.h>
3710 int main(void) { PK11_FreeSlot(0); return 0; }
3711 EOF
3712     # FIXME: do not include $glib_* in here
3713     nss_libs="$($pkg_config --libs nss 2>/dev/null) $glib_libs"
3714     nss_cflags="$($pkg_config --cflags nss 2>/dev/null) $glib_cflags"
3715     test_cflags="$nss_cflags"
3716     # The header files in nss < 3.13.3 have a bug which causes them to
3717     # emit a warning. If we're going to compile QEMU with -Werror, then
3718     # test that the headers don't have this bug. Otherwise we would pass
3719     # the configure test but fail to compile QEMU later.
3720     if test "$werror" = "yes"; then
3721         test_cflags="-Werror $test_cflags"
3722     fi
3723     if test -n "$libtool" &&
3724        $pkg_config --atleast-version=3.12.8 nss && \
3725       compile_prog "$test_cflags" "$nss_libs"; then
3726         smartcard_nss="yes"
3727     else
3728         if test "$smartcard_nss" = "yes"; then
3729             feature_not_found "nss" "Install nss devel >= 3.12.8"
3730         fi
3731         smartcard_nss="no"
3732     fi
3733 fi
3734
3735 # check for libusb
3736 if test "$libusb" != "no" ; then
3737     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
3738         libusb="yes"
3739         libusb_cflags=$($pkg_config --cflags libusb-1.0)
3740         libusb_libs=$($pkg_config --libs libusb-1.0)
3741         QEMU_CFLAGS="$QEMU_CFLAGS $libusb_cflags"
3742         libs_softmmu="$libs_softmmu $libusb_libs"
3743     else
3744         if test "$libusb" = "yes"; then
3745             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
3746         fi
3747         libusb="no"
3748     fi
3749 fi
3750
3751 # check for usbredirparser for usb network redirection support
3752 if test "$usb_redir" != "no" ; then
3753     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
3754         usb_redir="yes"
3755         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
3756         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
3757         QEMU_CFLAGS="$QEMU_CFLAGS $usb_redir_cflags"
3758         libs_softmmu="$libs_softmmu $usb_redir_libs"
3759     else
3760         if test "$usb_redir" = "yes"; then
3761             feature_not_found "usb-redir" "Install usbredir devel"
3762         fi
3763         usb_redir="no"
3764     fi
3765 fi
3766
3767 ##########################################
3768 # check if we have VSS SDK headers for win
3769
3770 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
3771   case "$vss_win32_sdk" in
3772     "")   vss_win32_include="-I$source_path" ;;
3773     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
3774           # handle path with spaces. So we symlink the headers into ".sdk/vss".
3775           vss_win32_include="-I$source_path/.sdk/vss"
3776           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
3777           ;;
3778     *)    vss_win32_include="-I$vss_win32_sdk"
3779   esac
3780   cat > $TMPC << EOF
3781 #define __MIDL_user_allocate_free_DEFINED__
3782 #include <inc/win2003/vss.h>
3783 int main(void) { return VSS_CTX_BACKUP; }
3784 EOF
3785   if compile_prog "$vss_win32_include" "" ; then
3786     guest_agent_with_vss="yes"
3787     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
3788     libs_qga="-lole32 -loleaut32 -lshlwapi -luuid -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
3789   else
3790     if test "$vss_win32_sdk" != "" ; then
3791       echo "ERROR: Please download and install Microsoft VSS SDK:"
3792       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
3793       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
3794       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
3795       echo "ERROR: The headers are extracted in the directory \`inc'."
3796       feature_not_found "VSS support"
3797     fi
3798     guest_agent_with_vss="no"
3799   fi
3800 fi
3801
3802 ##########################################
3803 # lookup Windows platform SDK (if not specified)
3804 # The SDK is needed only to build .tlb (type library) file of guest agent
3805 # VSS provider from the source. It is usually unnecessary because the
3806 # pre-compiled .tlb file is included.
3807
3808 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
3809   if test -z "$win_sdk"; then
3810     programfiles="$PROGRAMFILES"
3811     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
3812     if test -n "$programfiles"; then
3813       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
3814     else
3815       feature_not_found "Windows SDK"
3816     fi
3817   elif test "$win_sdk" = "no"; then
3818     win_sdk=""
3819   fi
3820 fi
3821
3822 ##########################################
3823 # Guest agent Window MSI  package
3824
3825 if test "$guest_agent" != yes; then
3826   if test "$guest_agent_msi" = yes; then
3827     error_exit "MSI guest agent package requires guest agent enabled"
3828   fi
3829   guest_agent_msi=no
3830 elif test "$mingw32" != "yes"; then
3831   if test "$guest_agent_msi" = "yes"; then
3832     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
3833   fi
3834   guest_agent_msi=no
3835 elif ! has wixl; then
3836   if test "$guest_agent_msi" = "yes"; then
3837     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
3838   fi
3839   guest_agent_msi=no
3840 fi
3841
3842 if test "$guest_agent_msi" != "no"; then
3843   if test "$guest_agent_with_vss" = "yes"; then
3844     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
3845   fi
3846
3847   if test "$QEMU_GA_MANUFACTURER" = ""; then
3848     QEMU_GA_MANUFACTURER=QEMU
3849   fi
3850
3851   if test "$QEMU_GA_DISTRO" = ""; then
3852     QEMU_GA_DISTRO=Linux
3853   fi
3854
3855   if test "$QEMU_GA_VERSION" = ""; then
3856       QEMU_GA_VERSION=`cat $source_path/VERSION`
3857   fi
3858
3859   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=`$pkg_config --variable=prefix glib-2.0`/bin"
3860
3861   case "$cpu" in
3862   x86_64)
3863     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
3864     ;;
3865   i386)
3866     QEMU_GA_MSI_ARCH="-D Arch=32"
3867     ;;
3868   *)
3869     error_exit "CPU $cpu not supported for building installation package"
3870     ;;
3871   esac
3872 fi
3873
3874 ##########################################
3875 # check if we have fdatasync
3876
3877 fdatasync=no
3878 cat > $TMPC << EOF
3879 #include <unistd.h>
3880 int main(void) {
3881 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
3882 return fdatasync(0);
3883 #else
3884 #error Not supported
3885 #endif
3886 }
3887 EOF
3888 if compile_prog "" "" ; then
3889     fdatasync=yes
3890 fi
3891
3892 ##########################################
3893 # check if we have madvise
3894
3895 madvise=no
3896 cat > $TMPC << EOF
3897 #include <sys/types.h>
3898 #include <sys/mman.h>
3899 #include <stddef.h>
3900 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
3901 EOF
3902 if compile_prog "" "" ; then
3903     madvise=yes
3904 fi
3905
3906 ##########################################
3907 # check if we have posix_madvise
3908
3909 posix_madvise=no
3910 cat > $TMPC << EOF
3911 #include <sys/mman.h>
3912 #include <stddef.h>
3913 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
3914 EOF
3915 if compile_prog "" "" ; then
3916     posix_madvise=yes
3917 fi
3918
3919 ##########################################
3920 # check if we have usable SIGEV_THREAD_ID
3921
3922 sigev_thread_id=no
3923 cat > $TMPC << EOF
3924 #include <signal.h>
3925 int main(void) {
3926   struct sigevent ev;
3927   ev.sigev_notify = SIGEV_THREAD_ID;
3928   ev._sigev_un._tid = 0;
3929   asm volatile("" : : "g"(&ev));
3930   return 0;
3931 }
3932 EOF
3933 if compile_prog "" "" ; then
3934     sigev_thread_id=yes
3935 fi
3936
3937 ##########################################
3938 # check if trace backend exists
3939
3940 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
3941 if test "$?" -ne 0 ; then
3942   error_exit "invalid trace backends" \
3943       "Please choose supported trace backends."
3944 fi
3945
3946 ##########################################
3947 # For 'ust' backend, test if ust headers are present
3948 if have_backend "ust"; then
3949   cat > $TMPC << EOF
3950 #include <lttng/tracepoint.h>
3951 int main(void) { return 0; }
3952 EOF
3953   if compile_prog "" "" ; then
3954     if $pkg_config lttng-ust --exists; then
3955       lttng_ust_libs=`$pkg_config --libs lttng-ust`
3956     else
3957       lttng_ust_libs="-llttng-ust"
3958     fi
3959     if $pkg_config liburcu-bp --exists; then
3960       urcu_bp_libs=`$pkg_config --libs liburcu-bp`
3961     else
3962       urcu_bp_libs="-lurcu-bp"
3963     fi
3964
3965     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
3966     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
3967   else
3968     error_exit "Trace backend 'ust' missing lttng-ust header files"
3969   fi
3970 fi
3971
3972 ##########################################
3973 # For 'dtrace' backend, test if 'dtrace' command is present
3974 if have_backend "dtrace"; then
3975   if ! has 'dtrace' ; then
3976     error_exit "dtrace command is not found in PATH $PATH"
3977   fi
3978   trace_backend_stap="no"
3979   if has 'stap' ; then
3980     trace_backend_stap="yes"
3981   fi
3982 fi
3983
3984 ##########################################
3985 # check and set a backend for coroutine
3986
3987 # We prefer ucontext, but it's not always possible. The fallback
3988 # is sigcontext. gthread is not selectable except explicitly, because
3989 # it is not functional enough to run QEMU proper. (It is occasionally
3990 # useful for debugging purposes.)  On Windows the only valid backend
3991 # is the Windows-specific one.
3992
3993 ucontext_works=no
3994 if test "$darwin" != "yes"; then
3995   cat > $TMPC << EOF
3996 #include <ucontext.h>
3997 #ifdef __stub_makecontext
3998 #error Ignoring glibc stub makecontext which will always fail
3999 #endif
4000 int main(void) { makecontext(0, 0, 0); return 0; }
4001 EOF
4002   if compile_prog "" "" ; then
4003     ucontext_works=yes
4004   fi
4005 fi
4006
4007 if test "$coroutine" = ""; then
4008   if test "$mingw32" = "yes"; then
4009     coroutine=win32
4010   elif test "$ucontext_works" = "yes"; then
4011     coroutine=ucontext
4012   else
4013     coroutine=sigaltstack
4014   fi
4015 else
4016   case $coroutine in
4017   windows)
4018     if test "$mingw32" != "yes"; then
4019       error_exit "'windows' coroutine backend only valid for Windows"
4020     fi
4021     # Unfortunately the user visible backend name doesn't match the
4022     # coroutine-*.c filename for this case, so we have to adjust it here.
4023     coroutine=win32
4024     ;;
4025   ucontext)
4026     if test "$ucontext_works" != "yes"; then
4027       feature_not_found "ucontext"
4028     fi
4029     ;;
4030   gthread|sigaltstack)
4031     if test "$mingw32" = "yes"; then
4032       error_exit "only the 'windows' coroutine backend is valid for Windows"
4033     fi
4034     ;;
4035   *)
4036     error_exit "unknown coroutine backend $coroutine"
4037     ;;
4038   esac
4039 fi
4040
4041 if test "$coroutine_pool" = ""; then
4042   if test "$coroutine" = "gthread"; then
4043     coroutine_pool=no
4044   else
4045     coroutine_pool=yes
4046   fi
4047 fi
4048 if test "$coroutine" = "gthread" -a "$coroutine_pool" = "yes"; then
4049   error_exit "'gthread' coroutine backend does not support pool (use --disable-coroutine-pool)"
4050 fi
4051
4052 ##########################################
4053 # check if we have open_by_handle_at
4054
4055 open_by_handle_at=no
4056 cat > $TMPC << EOF
4057 #include <fcntl.h>
4058 #if !defined(AT_EMPTY_PATH)
4059 # error missing definition
4060 #else
4061 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4062 #endif
4063 EOF
4064 if compile_prog "" "" ; then
4065     open_by_handle_at=yes
4066 fi
4067
4068 ########################################
4069 # check if we have linux/magic.h
4070
4071 linux_magic_h=no
4072 cat > $TMPC << EOF
4073 #include <linux/magic.h>
4074 int main(void) {
4075   return 0;
4076 }
4077 EOF
4078 if compile_prog "" "" ; then
4079     linux_magic_h=yes
4080 fi
4081
4082 ########################################
4083 # check whether we can disable warning option with a pragma (this is needed
4084 # to silence warnings in the headers of some versions of external libraries).
4085 # This test has to be compiled with -Werror as otherwise an unknown pragma is
4086 # only a warning.
4087 #
4088 # If we can't selectively disable warning in the code, disable -Werror so that
4089 # the build doesn't fail anyway.
4090
4091 pragma_disable_unused_but_set=no
4092 cat > $TMPC << EOF
4093 #pragma GCC diagnostic push
4094 #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
4095 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
4096 #pragma GCC diagnostic pop
4097
4098 int main(void) {
4099     return 0;
4100 }
4101 EOF
4102 if compile_prog "-Werror" "" ; then
4103     pragma_diagnostic_available=yes
4104 else
4105     werror=no
4106 fi
4107
4108 ########################################
4109 # check if we have valgrind/valgrind.h
4110
4111 valgrind_h=no
4112 cat > $TMPC << EOF
4113 #include <valgrind/valgrind.h>
4114 int main(void) {
4115   return 0;
4116 }
4117 EOF
4118 if compile_prog "" "" ; then
4119     valgrind_h=yes
4120 fi
4121
4122 ########################################
4123 # check if environ is declared
4124
4125 has_environ=no
4126 cat > $TMPC << EOF
4127 #include <unistd.h>
4128 int main(void) {
4129     environ = 0;
4130     return 0;
4131 }
4132 EOF
4133 if compile_prog "" "" ; then
4134     has_environ=yes
4135 fi
4136
4137 ########################################
4138 # check if cpuid.h is usable.
4139
4140 cpuid_h=no
4141 cat > $TMPC << EOF
4142 #include <cpuid.h>
4143 int main(void) {
4144     unsigned a, b, c, d;
4145     int max = __get_cpuid_max(0, 0);
4146
4147     if (max >= 1) {
4148         __cpuid(1, a, b, c, d);
4149     }
4150
4151     if (max >= 7) {
4152         __cpuid_count(7, 0, a, b, c, d);
4153     }
4154
4155     return 0;
4156 }
4157 EOF
4158 if compile_prog "" "" ; then
4159     cpuid_h=yes
4160 fi
4161
4162 ########################################
4163 # check if __[u]int128_t is usable.
4164
4165 int128=no
4166 cat > $TMPC << EOF
4167 #if defined(__clang_major__) && defined(__clang_minor__)
4168 # if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
4169 #  error __int128_t does not work in CLANG before 3.2
4170 # endif
4171 #endif
4172 __int128_t a;
4173 __uint128_t b;
4174 int main (void) {
4175   a = a + b;
4176   b = a * b;
4177   a = a * a;
4178   return 0;
4179 }
4180 EOF
4181 if compile_prog "" "" ; then
4182     int128=yes
4183 fi
4184
4185 ########################################
4186 # check if getauxval is available.
4187
4188 getauxval=no
4189 cat > $TMPC << EOF
4190 #include <sys/auxv.h>
4191 int main(void) {
4192   return getauxval(AT_HWCAP) == 0;
4193 }
4194 EOF
4195 if compile_prog "" "" ; then
4196     getauxval=yes
4197 fi
4198
4199 ########################################
4200 # check if ccache is interfering with
4201 # semantic analysis of macros
4202
4203 ccache_cpp2=no
4204 cat > $TMPC << EOF
4205 static const int Z = 1;
4206 #define fn() ({ Z; })
4207 #define TAUT(X) ((X) == Z)
4208 #define PAREN(X, Y) (X == Y)
4209 #define ID(X) (X)
4210 int main(int argc, char *argv[])
4211 {
4212     int x = 0, y = 0;
4213     x = ID(x);
4214     x = fn();
4215     fn();
4216     if (PAREN(x, y)) return 0;
4217     if (TAUT(Z)) return 0;
4218     return 0;
4219 }
4220 EOF
4221
4222 if ! compile_object "-Werror"; then
4223     ccache_cpp2=yes
4224 fi
4225
4226 ##########################################
4227 # End of CC checks
4228 # After here, no more $cc or $ld runs
4229
4230 if test "$gcov" = "yes" ; then
4231   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
4232   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
4233 elif test "$debug" = "no" ; then
4234   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
4235 fi
4236
4237 ##########################################
4238 # Do we have libnfs
4239 if test "$libnfs" != "no" ; then
4240   if $pkg_config --atleast-version=1.9.3 libnfs; then
4241     libnfs="yes"
4242     libnfs_libs=$($pkg_config --libs libnfs)
4243     LIBS="$LIBS $libnfs_libs"
4244   else
4245     if test "$libnfs" = "yes" ; then
4246       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
4247     fi
4248     libnfs="no"
4249   fi
4250 fi
4251
4252 # Disable zero malloc errors for official releases unless explicitly told to
4253 # enable/disable
4254 if test -z "$zero_malloc" ; then
4255     if test "$z_version" = "50" ; then
4256         zero_malloc="no"
4257     else
4258         zero_malloc="yes"
4259     fi
4260 fi
4261
4262 # Now we've finished running tests it's OK to add -Werror to the compiler flags
4263 if test "$werror" = "yes"; then
4264     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
4265 fi
4266
4267 if test "$solaris" = "no" ; then
4268     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
4269         LDFLAGS="-Wl,--warn-common $LDFLAGS"
4270     fi
4271 fi
4272
4273 # test if pod2man has --utf8 option
4274 if pod2man --help | grep -q utf8; then
4275     POD2MAN="pod2man --utf8"
4276 else
4277     POD2MAN="pod2man"
4278 fi
4279
4280 # Use ASLR, no-SEH and DEP if available
4281 if test "$mingw32" = "yes" ; then
4282     for flag in --dynamicbase --no-seh --nxcompat; do
4283         if $ld --help 2>/dev/null | grep ".$flag" >/dev/null 2>/dev/null ; then
4284             LDFLAGS="-Wl,$flag $LDFLAGS"
4285         fi
4286     done
4287 fi
4288
4289 qemu_confdir=$sysconfdir$confsuffix
4290 qemu_moddir=$libdir$confsuffix
4291 qemu_datadir=$datadir$confsuffix
4292 qemu_localedir="$datadir/locale"
4293
4294 tools=""
4295 if test "$want_tools" = "yes" ; then
4296   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
4297   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
4298     tools="qemu-nbd\$(EXESUF) $tools"
4299   fi
4300 fi
4301 if test "$softmmu" = yes ; then
4302   if test "$virtfs" != no ; then
4303     if test "$cap" = yes && test "$linux" = yes && test "$attr" = yes ; then
4304       virtfs=yes
4305       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
4306     else
4307       if test "$virtfs" = yes; then
4308         error_exit "VirtFS is supported only on Linux and requires libcap-devel and libattr-devel"
4309       fi
4310       virtfs=no
4311     fi
4312   fi
4313 fi
4314 if [ "$guest_agent" != "no" ]; then
4315   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
4316       tools="qemu-ga\$(EXESUF) $tools"
4317       if [ "$mingw32" = "yes" -a "$guest_agent_with_vss" = "yes" ]; then
4318         tools="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb $tools"
4319       fi
4320       guest_agent=yes
4321   elif [ "$guest_agent" != yes ]; then
4322       guest_agent=no
4323   else
4324       error_exit "Guest agent is not supported on this platform"
4325   fi
4326 fi
4327
4328 # Mac OS X ships with a broken assembler
4329 roms=
4330 if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
4331         "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
4332         "$softmmu" = yes ; then
4333   roms="optionrom"
4334 fi
4335 if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
4336   roms="$roms spapr-rtas"
4337 fi
4338
4339 if test "$cpu" = "s390x" ; then
4340   roms="$roms s390-ccw"
4341 fi
4342
4343 # Probe for the need for relocating the user-only binary.
4344 if test "$pie" = "no" ; then
4345   textseg_addr=
4346   case "$cpu" in
4347     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
4348       # ??? Rationale for choosing this address
4349       textseg_addr=0x60000000
4350       ;;
4351     mips)
4352       # A 256M aligned address, high in the address space, with enough
4353       # room for the code_gen_buffer above it before the stack.
4354       textseg_addr=0x60000000
4355       ;;
4356   esac
4357   if [ -n "$textseg_addr" ]; then
4358     cat > $TMPC <<EOF
4359     int main(void) { return 0; }
4360 EOF
4361     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
4362     if ! compile_prog "" "$textseg_ldflags"; then
4363       # In case ld does not support -Ttext-segment, edit the default linker
4364       # script via sed to set the .text start addr.  This is needed on FreeBSD
4365       # at least.
4366       $ld --verbose | sed \
4367         -e '1,/==================================================/d' \
4368         -e '/==================================================/,$d' \
4369         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
4370         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
4371       textseg_ldflags="-Wl,-T../config-host.ld"
4372     fi
4373   fi
4374 fi
4375
4376 # prepend pixman and ftd flags after all config tests are done
4377 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
4378 libs_softmmu="$pixman_libs $libs_softmmu"
4379
4380 echo "Install prefix    $prefix"
4381 echo "BIOS directory    `eval echo $qemu_datadir`"
4382 echo "binary directory  `eval echo $bindir`"
4383 echo "library directory `eval echo $libdir`"
4384 echo "module directory  `eval echo $qemu_moddir`"
4385 echo "libexec directory `eval echo $libexecdir`"
4386 echo "include directory `eval echo $includedir`"
4387 echo "config directory  `eval echo $sysconfdir`"
4388 if test "$mingw32" = "no" ; then
4389 echo "local state directory   `eval echo $local_statedir`"
4390 echo "Manual directory  `eval echo $mandir`"
4391 echo "ELF interp prefix $interp_prefix"
4392 else
4393 echo "local state directory   queried at runtime"
4394 echo "Windows SDK       $win_sdk"
4395 fi
4396 echo "Source path       $source_path"
4397 echo "C compiler        $cc"
4398 echo "Host C compiler   $host_cc"
4399 echo "C++ compiler      $cxx"
4400 echo "Objective-C compiler $objcc"
4401 echo "ARFLAGS           $ARFLAGS"
4402 echo "CFLAGS            $CFLAGS"
4403 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
4404 echo "LDFLAGS           $LDFLAGS"
4405 echo "make              $make"
4406 echo "install           $install"
4407 echo "python            $python"
4408 if test "$slirp" = "yes" ; then
4409     echo "smbd              $smbd"
4410 fi
4411 echo "module support    $modules"
4412 echo "host CPU          $cpu"
4413 echo "host big endian   $bigendian"
4414 echo "target list       $target_list"
4415 echo "tcg debug enabled $debug_tcg"
4416 echo "gprof enabled     $gprof"
4417 echo "sparse enabled    $sparse"
4418 echo "strip binaries    $strip_opt"
4419 echo "profiler          $profiler"
4420 echo "static build      $static"
4421 if test "$darwin" = "yes" ; then
4422     echo "Cocoa support     $cocoa"
4423 fi
4424 echo "pixman            $pixman"
4425 echo "SDL support       $sdl"
4426 echo "GTK support       $gtk"
4427 echo "VTE support       $vte"
4428 echo "curses support    $curses"
4429 echo "curl support      $curl"
4430 echo "mingw32 support   $mingw32"
4431 echo "Audio drivers     $audio_drv_list"
4432 echo "Block whitelist (rw) $block_drv_rw_whitelist"
4433 echo "Block whitelist (ro) $block_drv_ro_whitelist"
4434 echo "VirtFS support    $virtfs"
4435 echo "VNC support       $vnc"
4436 if test "$vnc" = "yes" ; then
4437     echo "VNC TLS support   $vnc_tls"
4438     echo "VNC SASL support  $vnc_sasl"
4439     echo "VNC JPEG support  $vnc_jpeg"
4440     echo "VNC PNG support   $vnc_png"
4441     echo "VNC WS support    $vnc_ws"
4442 fi
4443 if test -n "$sparc_cpu"; then
4444     echo "Target Sparc Arch $sparc_cpu"
4445 fi
4446 echo "xen support       $xen"
4447 if test "$xen" = "yes" ; then
4448   echo "xen ctrl version  $xen_ctrl_version"
4449 fi
4450 echo "brlapi support    $brlapi"
4451 echo "bluez  support    $bluez"
4452 echo "Documentation     $docs"
4453 echo "GUEST_BASE        $guest_base"
4454 echo "PIE               $pie"
4455 echo "vde support       $vde"
4456 echo "netmap support    $netmap"
4457 echo "Linux AIO support $linux_aio"
4458 echo "ATTR/XATTR support $attr"
4459 echo "Install blobs     $blobs"
4460 echo "KVM support       $kvm"
4461 echo "RDMA support      $rdma"
4462 echo "TCG interpreter   $tcg_interpreter"
4463 echo "fdt support       $fdt"
4464 echo "preadv support    $preadv"
4465 echo "fdatasync         $fdatasync"
4466 echo "madvise           $madvise"
4467 echo "posix_madvise     $posix_madvise"
4468 echo "sigev_thread_id   $sigev_thread_id"
4469 echo "uuid support      $uuid"
4470 echo "libcap-ng support $cap_ng"
4471 echo "vhost-net support $vhost_net"
4472 echo "vhost-scsi support $vhost_scsi"
4473 echo "Trace backends    $trace_backends"
4474 if test "$trace_backend" = "simple"; then
4475 echo "Trace output file $trace_file-<pid>"
4476 fi
4477 if test "$spice" = "yes"; then
4478 echo "spice support     $spice ($spice_protocol_version/$spice_server_version)"
4479 else
4480 echo "spice support     $spice"
4481 fi
4482 echo "rbd support       $rbd"
4483 echo "xfsctl support    $xfs"
4484 echo "nss used          $smartcard_nss"
4485 echo "libusb            $libusb"
4486 echo "usb net redir     $usb_redir"
4487 echo "OpenGL support    $opengl"
4488 echo "libiscsi support  $libiscsi"
4489 echo "libnfs support    $libnfs"
4490 echo "build guest agent $guest_agent"
4491 echo "QGA VSS support   $guest_agent_with_vss"
4492 echo "seccomp support   $seccomp"
4493 echo "coroutine backend $coroutine"
4494 echo "coroutine pool    $coroutine_pool"
4495 echo "GlusterFS support $glusterfs"
4496 echo "Archipelago support $archipelago"
4497 echo "gcov              $gcov_tool"
4498 echo "gcov enabled      $gcov"
4499 echo "TPM support       $tpm"
4500 echo "libssh2 support   $libssh2"
4501 echo "TPM passthrough   $tpm_passthrough"
4502 echo "QOM debugging     $qom_cast_debug"
4503 echo "vhdx              $vhdx"
4504 echo "Quorum            $quorum"
4505 echo "lzo support       $lzo"
4506 echo "snappy support    $snappy"
4507 echo "bzip2 support     $bzip2"
4508 echo "NUMA host support $numa"
4509 echo "tcmalloc support  $tcmalloc"
4510
4511 if test "$sdl_too_old" = "yes"; then
4512 echo "-> Your SDL version is too old - please upgrade to have SDL support"
4513 fi
4514
4515 config_host_mak="config-host.mak"
4516
4517 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
4518
4519 echo "# Automatically generated by configure - do not modify" > $config_host_mak
4520 echo >> $config_host_mak
4521
4522 echo all: >> $config_host_mak
4523 echo "prefix=$prefix" >> $config_host_mak
4524 echo "bindir=$bindir" >> $config_host_mak
4525 echo "libdir=$libdir" >> $config_host_mak
4526 echo "libexecdir=$libexecdir" >> $config_host_mak
4527 echo "includedir=$includedir" >> $config_host_mak
4528 echo "mandir=$mandir" >> $config_host_mak
4529 echo "sysconfdir=$sysconfdir" >> $config_host_mak
4530 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
4531 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
4532 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
4533 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
4534 if test "$mingw32" = "no" ; then
4535   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
4536 fi
4537 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
4538 echo "extra_cflags=$EXTRA_CFLAGS" >> $config_host_mak
4539 echo "extra_ldflags=$EXTRA_LDFLAGS" >> $config_host_mak
4540 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
4541 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
4542
4543 echo "ARCH=$ARCH" >> $config_host_mak
4544
4545 if test "$debug_tcg" = "yes" ; then
4546   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
4547 fi
4548 if test "$strip_opt" = "yes" ; then
4549   echo "STRIP=${strip}" >> $config_host_mak
4550 fi
4551 if test "$bigendian" = "yes" ; then
4552   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
4553 fi
4554 if test "$mingw32" = "yes" ; then
4555   echo "CONFIG_WIN32=y" >> $config_host_mak
4556   rc_version=`cat $source_path/VERSION`
4557   version_major=${rc_version%%.*}
4558   rc_version=${rc_version#*.}
4559   version_minor=${rc_version%%.*}
4560   rc_version=${rc_version#*.}
4561   version_subminor=${rc_version%%.*}
4562   version_micro=0
4563   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
4564   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
4565   if test "$guest_agent_with_vss" = "yes" ; then
4566     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
4567     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
4568   fi
4569   if test "$guest_agent_msi" != "no"; then
4570     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
4571     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
4572     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
4573     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
4574     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
4575     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
4576     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
4577   fi
4578 else
4579   echo "CONFIG_POSIX=y" >> $config_host_mak
4580 fi
4581
4582 if test "$linux" = "yes" ; then
4583   echo "CONFIG_LINUX=y" >> $config_host_mak
4584 fi
4585
4586 if test "$darwin" = "yes" ; then
4587   echo "CONFIG_DARWIN=y" >> $config_host_mak
4588 fi
4589
4590 if test "$aix" = "yes" ; then
4591   echo "CONFIG_AIX=y" >> $config_host_mak
4592 fi
4593
4594 if test "$solaris" = "yes" ; then
4595   echo "CONFIG_SOLARIS=y" >> $config_host_mak
4596   echo "CONFIG_SOLARIS_VERSION=$solarisrev" >> $config_host_mak
4597   if test "$needs_libsunmath" = "yes" ; then
4598     echo "CONFIG_NEEDS_LIBSUNMATH=y" >> $config_host_mak
4599   fi
4600 fi
4601 if test "$haiku" = "yes" ; then
4602   echo "CONFIG_HAIKU=y" >> $config_host_mak
4603 fi
4604 if test "$static" = "yes" ; then
4605   echo "CONFIG_STATIC=y" >> $config_host_mak
4606 fi
4607 if test "$profiler" = "yes" ; then
4608   echo "CONFIG_PROFILER=y" >> $config_host_mak
4609 fi
4610 if test "$slirp" = "yes" ; then
4611   echo "CONFIG_SLIRP=y" >> $config_host_mak
4612   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
4613 fi
4614 if test "$vde" = "yes" ; then
4615   echo "CONFIG_VDE=y" >> $config_host_mak
4616 fi
4617 if test "$netmap" = "yes" ; then
4618   echo "CONFIG_NETMAP=y" >> $config_host_mak
4619 fi
4620 if test "$l2tpv3" = "yes" ; then
4621   echo "CONFIG_L2TPV3=y" >> $config_host_mak
4622 fi
4623 if test "$cap_ng" = "yes" ; then
4624   echo "CONFIG_LIBCAP=y" >> $config_host_mak
4625 fi
4626 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
4627 for drv in $audio_drv_list; do
4628     def=CONFIG_`echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]'`
4629     echo "$def=y" >> $config_host_mak
4630 done
4631 if test "$audio_pt_int" = "yes" ; then
4632   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
4633 fi
4634 if test "$audio_win_int" = "yes" ; then
4635   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
4636 fi
4637 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
4638 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
4639 if test "$vnc" = "yes" ; then
4640   echo "CONFIG_VNC=y" >> $config_host_mak
4641 fi
4642 if test "$vnc_tls" = "yes" ; then
4643   echo "CONFIG_VNC_TLS=y" >> $config_host_mak
4644 fi
4645 if test "$vnc_sasl" = "yes" ; then
4646   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
4647 fi
4648 if test "$vnc_jpeg" = "yes" ; then
4649   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
4650 fi
4651 if test "$vnc_png" = "yes" ; then
4652   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
4653 fi
4654 if test "$vnc_ws" = "yes" ; then
4655   echo "CONFIG_VNC_WS=y" >> $config_host_mak
4656   echo "VNC_WS_CFLAGS=$vnc_ws_cflags" >> $config_host_mak
4657 fi
4658 if test "$fnmatch" = "yes" ; then
4659   echo "CONFIG_FNMATCH=y" >> $config_host_mak
4660 fi
4661 if test "$uuid" = "yes" ; then
4662   echo "CONFIG_UUID=y" >> $config_host_mak
4663 fi
4664 if test "$xfs" = "yes" ; then
4665   echo "CONFIG_XFS=y" >> $config_host_mak
4666 fi
4667 qemu_version=`head $source_path/VERSION`
4668 echo "VERSION=$qemu_version" >>$config_host_mak
4669 echo "PKGVERSION=$pkgversion" >>$config_host_mak
4670 echo "SRC_PATH=$source_path" >> $config_host_mak
4671 echo "TARGET_DIRS=$target_list" >> $config_host_mak
4672 if [ "$docs" = "yes" ] ; then
4673   echo "BUILD_DOCS=yes" >> $config_host_mak
4674 fi
4675 if test "$modules" = "yes"; then
4676   # $shacmd can generate a hash started with digit, which the compiler doesn't
4677   # like as an symbol. So prefix it with an underscore
4678   echo "CONFIG_STAMP=_`(echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ `" >> $config_host_mak
4679   echo "CONFIG_MODULES=y" >> $config_host_mak
4680 fi
4681 if test "$sdl" = "yes" ; then
4682   echo "CONFIG_SDL=y" >> $config_host_mak
4683   echo "CONFIG_SDLABI=$sdlabi" >> $config_host_mak
4684   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
4685 fi
4686 if test "$cocoa" = "yes" ; then
4687   echo "CONFIG_COCOA=y" >> $config_host_mak
4688 fi
4689 if test "$curses" = "yes" ; then
4690   echo "CONFIG_CURSES=y" >> $config_host_mak
4691 fi
4692 if test "$utimens" = "yes" ; then
4693   echo "CONFIG_UTIMENSAT=y" >> $config_host_mak
4694 fi
4695 if test "$pipe2" = "yes" ; then
4696   echo "CONFIG_PIPE2=y" >> $config_host_mak
4697 fi
4698 if test "$accept4" = "yes" ; then
4699   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
4700 fi
4701 if test "$splice" = "yes" ; then
4702   echo "CONFIG_SPLICE=y" >> $config_host_mak
4703 fi
4704 if test "$eventfd" = "yes" ; then
4705   echo "CONFIG_EVENTFD=y" >> $config_host_mak
4706 fi
4707 if test "$fallocate" = "yes" ; then
4708   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
4709 fi
4710 if test "$fallocate_punch_hole" = "yes" ; then
4711   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
4712 fi
4713 if test "$fallocate_zero_range" = "yes" ; then
4714   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
4715 fi
4716 if test "$posix_fallocate" = "yes" ; then
4717   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
4718 fi
4719 if test "$sync_file_range" = "yes" ; then
4720   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
4721 fi
4722 if test "$fiemap" = "yes" ; then
4723   echo "CONFIG_FIEMAP=y" >> $config_host_mak
4724 fi
4725 if test "$dup3" = "yes" ; then
4726   echo "CONFIG_DUP3=y" >> $config_host_mak
4727 fi
4728 if test "$ppoll" = "yes" ; then
4729   echo "CONFIG_PPOLL=y" >> $config_host_mak
4730 fi
4731 if test "$prctl_pr_set_timerslack" = "yes" ; then
4732   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
4733 fi
4734 if test "$epoll" = "yes" ; then
4735   echo "CONFIG_EPOLL=y" >> $config_host_mak
4736 fi
4737 if test "$epoll_create1" = "yes" ; then
4738   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
4739 fi
4740 if test "$epoll_pwait" = "yes" ; then
4741   echo "CONFIG_EPOLL_PWAIT=y" >> $config_host_mak
4742 fi
4743 if test "$sendfile" = "yes" ; then
4744   echo "CONFIG_SENDFILE=y" >> $config_host_mak
4745 fi
4746 if test "$timerfd" = "yes" ; then
4747   echo "CONFIG_TIMERFD=y" >> $config_host_mak
4748 fi
4749 if test "$setns" = "yes" ; then
4750   echo "CONFIG_SETNS=y" >> $config_host_mak
4751 fi
4752 if test "$inotify" = "yes" ; then
4753   echo "CONFIG_INOTIFY=y" >> $config_host_mak
4754 fi
4755 if test "$inotify1" = "yes" ; then
4756   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
4757 fi
4758 if test "$byteswap_h" = "yes" ; then
4759   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
4760 fi
4761 if test "$bswap_h" = "yes" ; then
4762   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
4763 fi
4764 if test "$curl" = "yes" ; then
4765   echo "CONFIG_CURL=m" >> $config_host_mak
4766   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
4767   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
4768 fi
4769 if test "$brlapi" = "yes" ; then
4770   echo "CONFIG_BRLAPI=y" >> $config_host_mak
4771 fi
4772 if test "$bluez" = "yes" ; then
4773   echo "CONFIG_BLUEZ=y" >> $config_host_mak
4774   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
4775 fi
4776 if test "glib_subprocess" = "yes" ; then
4777   echo "CONFIG_HAS_GLIB_SUBPROCESS_TESTS=y" >> $config_host_mak
4778 fi
4779 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
4780 if test "$gtk" = "yes" ; then
4781   echo "CONFIG_GTK=y" >> $config_host_mak
4782   echo "CONFIG_GTKABI=$gtkabi" >> $config_host_mak
4783   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
4784 fi
4785 if test "$vte" = "yes" ; then
4786   echo "CONFIG_VTE=y" >> $config_host_mak
4787   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
4788 fi
4789 if test "$xen" = "yes" ; then
4790   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
4791   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
4792 fi
4793 if test "$linux_aio" = "yes" ; then
4794   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
4795 fi
4796 if test "$attr" = "yes" ; then
4797   echo "CONFIG_ATTR=y" >> $config_host_mak
4798 fi
4799 if test "$libattr" = "yes" ; then
4800   echo "CONFIG_LIBATTR=y" >> $config_host_mak
4801 fi
4802 if test "$virtfs" = "yes" ; then
4803   echo "CONFIG_VIRTFS=y" >> $config_host_mak
4804 fi
4805 if test "$vhost_scsi" = "yes" ; then
4806   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
4807 fi
4808 if test "$vhost_net" = "yes" ; then
4809   echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
4810 fi
4811 if test "$blobs" = "yes" ; then
4812   echo "INSTALL_BLOBS=yes" >> $config_host_mak
4813 fi
4814 if test "$iovec" = "yes" ; then
4815   echo "CONFIG_IOVEC=y" >> $config_host_mak
4816 fi
4817 if test "$preadv" = "yes" ; then
4818   echo "CONFIG_PREADV=y" >> $config_host_mak
4819 fi
4820 if test "$fdt" = "yes" ; then
4821   echo "CONFIG_FDT=y" >> $config_host_mak
4822 fi
4823 if test "$signalfd" = "yes" ; then
4824   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
4825 fi
4826 if test "$tcg_interpreter" = "yes" ; then
4827   echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
4828 fi
4829 if test "$fdatasync" = "yes" ; then
4830   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
4831 fi
4832 if test "$madvise" = "yes" ; then
4833   echo "CONFIG_MADVISE=y" >> $config_host_mak
4834 fi
4835 if test "$posix_madvise" = "yes" ; then
4836   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
4837 fi
4838 if test "$sigev_thread_id" = "yes" ; then
4839   echo "CONFIG_SIGEV_THREAD_ID=y" >> $config_host_mak
4840 fi
4841
4842 if test "$spice" = "yes" ; then
4843   echo "CONFIG_SPICE=y" >> $config_host_mak
4844 fi
4845
4846 if test "$smartcard_nss" = "yes" ; then
4847   echo "CONFIG_SMARTCARD_NSS=y" >> $config_host_mak
4848   echo "NSS_LIBS=$nss_libs" >> $config_host_mak
4849   echo "NSS_CFLAGS=$nss_cflags" >> $config_host_mak
4850 fi
4851
4852 if test "$libusb" = "yes" ; then
4853   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
4854 fi
4855
4856 if test "$usb_redir" = "yes" ; then
4857   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
4858 fi
4859
4860 if test "$opengl" = "yes" ; then
4861   echo "CONFIG_OPENGL=y" >> $config_host_mak
4862   echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak
4863   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
4864 fi
4865
4866 if test "$lzo" = "yes" ; then
4867   echo "CONFIG_LZO=y" >> $config_host_mak
4868 fi
4869
4870 if test "$snappy" = "yes" ; then
4871   echo "CONFIG_SNAPPY=y" >> $config_host_mak
4872 fi
4873
4874 if test "$bzip2" = "yes" ; then
4875   echo "CONFIG_BZIP2=y" >> $config_host_mak
4876   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
4877 fi
4878
4879 if test "$libiscsi" = "yes" ; then
4880   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
4881   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
4882   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
4883 fi
4884
4885 if test "$libnfs" = "yes" ; then
4886   echo "CONFIG_LIBNFS=y" >> $config_host_mak
4887 fi
4888
4889 if test "$seccomp" = "yes"; then
4890   echo "CONFIG_SECCOMP=y" >> $config_host_mak
4891 fi
4892
4893 # XXX: suppress that
4894 if [ "$bsd" = "yes" ] ; then
4895   echo "CONFIG_BSD=y" >> $config_host_mak
4896 fi
4897
4898 if test "$zero_malloc" = "yes" ; then
4899   echo "CONFIG_ZERO_MALLOC=y" >> $config_host_mak
4900 fi
4901 if test "$qom_cast_debug" = "yes" ; then
4902   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
4903 fi
4904 if test "$rbd" = "yes" ; then
4905   echo "CONFIG_RBD=m" >> $config_host_mak
4906   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
4907   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
4908 fi
4909
4910 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
4911 if test "$coroutine_pool" = "yes" ; then
4912   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
4913 else
4914   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
4915 fi
4916
4917 if test "$open_by_handle_at" = "yes" ; then
4918   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
4919 fi
4920
4921 if test "$linux_magic_h" = "yes" ; then
4922   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
4923 fi
4924
4925 if test "$pragma_diagnostic_available" = "yes" ; then
4926   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
4927 fi
4928
4929 if test "$valgrind_h" = "yes" ; then
4930   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
4931 fi
4932
4933 if test "$has_environ" = "yes" ; then
4934   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
4935 fi
4936
4937 if test "$cpuid_h" = "yes" ; then
4938   echo "CONFIG_CPUID_H=y" >> $config_host_mak
4939 fi
4940
4941 if test "$int128" = "yes" ; then
4942   echo "CONFIG_INT128=y" >> $config_host_mak
4943 fi
4944
4945 if test "$getauxval" = "yes" ; then
4946   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
4947 fi
4948
4949 if test "$glusterfs" = "yes" ; then
4950   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
4951   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
4952   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
4953 fi
4954
4955 if test "$glusterfs_discard" = "yes" ; then
4956   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
4957 fi
4958
4959 if test "$glusterfs_zerofill" = "yes" ; then
4960   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
4961 fi
4962
4963 if test "$archipelago" = "yes" ; then
4964   echo "CONFIG_ARCHIPELAGO=m" >> $config_host_mak
4965   echo "ARCHIPELAGO_LIBS=$archipelago_libs" >> $config_host_mak
4966 fi
4967
4968 if test "$libssh2" = "yes" ; then
4969   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
4970   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
4971   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
4972 fi
4973
4974 if test "$quorum" = "yes" ; then
4975   echo "CONFIG_QUORUM=y" >> $config_host_mak
4976 fi
4977
4978 if test "$vhdx" = "yes" ; then
4979   echo "CONFIG_VHDX=y" >> $config_host_mak
4980 fi
4981
4982 # USB host support
4983 if test "$libusb" = "yes"; then
4984   echo "HOST_USB=libusb legacy" >> $config_host_mak
4985 else
4986   echo "HOST_USB=stub" >> $config_host_mak
4987 fi
4988
4989 # TPM passthrough support?
4990 if test "$tpm" = "yes"; then
4991   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
4992   if test "$tpm_passthrough" = "yes"; then
4993     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
4994   fi
4995 fi
4996
4997 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
4998 if have_backend "nop"; then
4999   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
5000 fi
5001 if have_backend "simple"; then
5002   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
5003   # Set the appropriate trace file.
5004   trace_file="\"$trace_file-\" FMT_pid"
5005 fi
5006 if have_backend "stderr"; then
5007   echo "CONFIG_TRACE_STDERR=y" >> $config_host_mak
5008 fi
5009 if have_backend "ust"; then
5010   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
5011 fi
5012 if have_backend "dtrace"; then
5013   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
5014   if test "$trace_backend_stap" = "yes" ; then
5015     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
5016   fi
5017 fi
5018 if have_backend "ftrace"; then
5019   if test "$linux" = "yes" ; then
5020     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
5021   else
5022     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
5023   fi
5024 fi
5025 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
5026
5027 if test "$rdma" = "yes" ; then
5028   echo "CONFIG_RDMA=y" >> $config_host_mak
5029 fi
5030
5031 # Hold two types of flag:
5032 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
5033 #                                     a thread we have a handle to
5034 #   CONFIG_PTHREAD_SETNAME_NP       - A way of doing it on a particular
5035 #                                     platform
5036 if test "$pthread_setname_np" = "yes" ; then
5037   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
5038   echo "CONFIG_PTHREAD_SETNAME_NP=y" >> $config_host_mak
5039 fi
5040
5041 if test "$tcg_interpreter" = "yes"; then
5042   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
5043 elif test "$ARCH" = "sparc64" ; then
5044   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
5045 elif test "$ARCH" = "s390x" ; then
5046   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
5047 elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
5048   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
5049 elif test "$ARCH" = "ppc64" ; then
5050   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
5051 else
5052   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
5053 fi
5054 QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
5055
5056 echo "TOOLS=$tools" >> $config_host_mak
5057 echo "ROMS=$roms" >> $config_host_mak
5058 echo "MAKE=$make" >> $config_host_mak
5059 echo "INSTALL=$install" >> $config_host_mak
5060 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
5061 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
5062 if test -n "$libtool"; then
5063   echo "INSTALL_PROG=\$(LIBTOOL) --mode=install $install -c -m 0755" >> $config_host_mak
5064   echo "INSTALL_LIB=\$(LIBTOOL) --mode=install $install -c -m 0644" >> $config_host_mak
5065 else
5066   echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
5067   echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
5068 fi
5069 echo "PYTHON=$python" >> $config_host_mak
5070 echo "CC=$cc" >> $config_host_mak
5071 if $iasl -h > /dev/null 2>&1; then
5072   echo "IASL=$iasl" >> $config_host_mak
5073 fi
5074 echo "CC_I386=$cc_i386" >> $config_host_mak
5075 echo "HOST_CC=$host_cc" >> $config_host_mak
5076 echo "CXX=$cxx" >> $config_host_mak
5077 echo "OBJCC=$objcc" >> $config_host_mak
5078 echo "AR=$ar" >> $config_host_mak
5079 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
5080 echo "AS=$as" >> $config_host_mak
5081 echo "CPP=$cpp" >> $config_host_mak
5082 echo "OBJCOPY=$objcopy" >> $config_host_mak
5083 echo "LD=$ld" >> $config_host_mak
5084 echo "NM=$nm" >> $config_host_mak
5085 echo "WINDRES=$windres" >> $config_host_mak
5086 echo "LIBTOOL=$libtool" >> $config_host_mak
5087 echo "CFLAGS=$CFLAGS" >> $config_host_mak
5088 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
5089 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
5090 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
5091 if test "$sparse" = "yes" ; then
5092   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
5093   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
5094   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
5095   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
5096   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
5097 fi
5098 if test "$cross_prefix" != ""; then
5099   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
5100 else
5101   echo "AUTOCONF_HOST := "                             >> $config_host_mak
5102 fi
5103 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
5104 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
5105 echo "LIBTOOLFLAGS=$LIBTOOLFLAGS" >> $config_host_mak
5106 echo "LIBS+=$LIBS" >> $config_host_mak
5107 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
5108 echo "EXESUF=$EXESUF" >> $config_host_mak
5109 echo "DSOSUF=$DSOSUF" >> $config_host_mak
5110 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
5111 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
5112 echo "POD2MAN=$POD2MAN" >> $config_host_mak
5113 echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
5114 if test "$gcov" = "yes" ; then
5115   echo "CONFIG_GCOV=y" >> $config_host_mak
5116   echo "GCOV=$gcov_tool" >> $config_host_mak
5117 fi
5118
5119 # use included Linux headers
5120 if test "$linux" = "yes" ; then
5121   mkdir -p linux-headers
5122   case "$cpu" in
5123   i386|x86_64|x32)
5124     linux_arch=x86
5125     ;;
5126   ppcemb|ppc|ppc64)
5127     linux_arch=powerpc
5128     ;;
5129   s390x)
5130     linux_arch=s390
5131     ;;
5132   aarch64)
5133     linux_arch=arm64
5134     ;;
5135   mips64)
5136     linux_arch=mips
5137     ;;
5138   *)
5139     # For most CPUs the kernel architecture name and QEMU CPU name match.
5140     linux_arch="$cpu"
5141     ;;
5142   esac
5143     # For non-KVM architectures we will not have asm headers
5144     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
5145       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
5146     fi
5147 fi
5148
5149 for target in $target_list; do
5150 target_dir="$target"
5151 config_target_mak=$target_dir/config-target.mak
5152 target_name=`echo $target | cut -d '-' -f 1`
5153 target_bigendian="no"
5154
5155 case "$target_name" in
5156   armeb|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or32|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
5157   target_bigendian=yes
5158   ;;
5159 esac
5160 target_softmmu="no"
5161 target_user_only="no"
5162 target_linux_user="no"
5163 target_bsd_user="no"
5164 case "$target" in
5165   ${target_name}-softmmu)
5166     target_softmmu="yes"
5167     ;;
5168   ${target_name}-linux-user)
5169     if test "$linux" != "yes" ; then
5170       error_exit "Target '$target' is only available on a Linux host"
5171     fi
5172     target_user_only="yes"
5173     target_linux_user="yes"
5174     ;;
5175   ${target_name}-bsd-user)
5176     if test "$bsd" != "yes" ; then
5177       error_exit "Target '$target' is only available on a BSD host"
5178     fi
5179     target_user_only="yes"
5180     target_bsd_user="yes"
5181     ;;
5182   *)
5183     error_exit "Target '$target' not recognised"
5184     exit 1
5185     ;;
5186 esac
5187
5188 mkdir -p $target_dir
5189 echo "# Automatically generated by configure - do not modify" > $config_target_mak
5190
5191 bflt="no"
5192 interp_prefix1=`echo "$interp_prefix" | sed "s/%M/$target_name/g"`
5193 gdb_xml_files=""
5194
5195 TARGET_ARCH="$target_name"
5196 TARGET_BASE_ARCH=""
5197 TARGET_ABI_DIR=""
5198
5199 case "$target_name" in
5200   i386)
5201   ;;
5202   x86_64)
5203     TARGET_BASE_ARCH=i386
5204   ;;
5205   alpha)
5206   ;;
5207   arm|armeb)
5208     TARGET_ARCH=arm
5209     bflt="yes"
5210     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
5211   ;;
5212   aarch64)
5213     TARGET_BASE_ARCH=arm
5214     bflt="yes"
5215     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
5216   ;;
5217   cris)
5218   ;;
5219   lm32)
5220   ;;
5221   m68k)
5222     bflt="yes"
5223     gdb_xml_files="cf-core.xml cf-fp.xml"
5224   ;;
5225   microblaze|microblazeel)
5226     TARGET_ARCH=microblaze
5227     bflt="yes"
5228   ;;
5229   mips|mipsel)
5230     TARGET_ARCH=mips
5231     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
5232   ;;
5233   mipsn32|mipsn32el)
5234     TARGET_ARCH=mips64
5235     TARGET_BASE_ARCH=mips
5236     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
5237     echo "TARGET_ABI32=y" >> $config_target_mak
5238   ;;
5239   mips64|mips64el)
5240     TARGET_ARCH=mips64
5241     TARGET_BASE_ARCH=mips
5242     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
5243   ;;
5244   moxie)
5245   ;;
5246   or32)
5247     TARGET_ARCH=openrisc
5248     TARGET_BASE_ARCH=openrisc
5249   ;;
5250   ppc)
5251     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5252   ;;
5253   ppcemb)
5254     TARGET_BASE_ARCH=ppc
5255     TARGET_ABI_DIR=ppc
5256     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5257   ;;
5258   ppc64)
5259     TARGET_BASE_ARCH=ppc
5260     TARGET_ABI_DIR=ppc
5261     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5262   ;;
5263   ppc64le)
5264     TARGET_ARCH=ppc64
5265     TARGET_BASE_ARCH=ppc
5266     TARGET_ABI_DIR=ppc
5267     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5268   ;;
5269   ppc64abi32)
5270     TARGET_ARCH=ppc64
5271     TARGET_BASE_ARCH=ppc
5272     TARGET_ABI_DIR=ppc
5273     echo "TARGET_ABI32=y" >> $config_target_mak
5274     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5275   ;;
5276   sh4|sh4eb)
5277     TARGET_ARCH=sh4
5278     bflt="yes"
5279   ;;
5280   sparc)
5281   ;;
5282   sparc64)
5283     TARGET_BASE_ARCH=sparc
5284   ;;
5285   sparc32plus)
5286     TARGET_ARCH=sparc64
5287     TARGET_BASE_ARCH=sparc
5288     TARGET_ABI_DIR=sparc
5289     echo "TARGET_ABI32=y" >> $config_target_mak
5290   ;;
5291   s390x)
5292     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml"
5293   ;;
5294   tricore)
5295   ;;
5296   unicore32)
5297   ;;
5298   xtensa|xtensaeb)
5299     TARGET_ARCH=xtensa
5300   ;;
5301   *)
5302     error_exit "Unsupported target CPU"
5303   ;;
5304 esac
5305 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
5306 if [ "$TARGET_BASE_ARCH" = "" ]; then
5307   TARGET_BASE_ARCH=$TARGET_ARCH
5308 fi
5309
5310 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
5311
5312 upper() {
5313     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
5314 }
5315
5316 target_arch_name="`upper $TARGET_ARCH`"
5317 echo "TARGET_$target_arch_name=y" >> $config_target_mak
5318 echo "TARGET_NAME=$target_name" >> $config_target_mak
5319 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
5320 if [ "$TARGET_ABI_DIR" = "" ]; then
5321   TARGET_ABI_DIR=$TARGET_ARCH
5322 fi
5323 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
5324 if [ "$HOST_VARIANT_DIR" != "" ]; then
5325     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
5326 fi
5327 case "$target_name" in
5328   i386|x86_64)
5329     if test "$xen" = "yes" -a "$target_softmmu" = "yes" ; then
5330       echo "CONFIG_XEN=y" >> $config_target_mak
5331       if test "$xen_pci_passthrough" = yes; then
5332         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
5333       fi
5334     fi
5335     ;;
5336   *)
5337 esac
5338 case "$target_name" in
5339   aarch64|arm|i386|x86_64|ppcemb|ppc|ppc64|s390x|mipsel|mips)
5340     # Make sure the target and host cpus are compatible
5341     if test "$kvm" = "yes" -a "$target_softmmu" = "yes" -a \
5342       \( "$target_name" = "$cpu" -o \
5343       \( "$target_name" = "ppcemb" -a "$cpu" = "ppc" \) -o \
5344       \( "$target_name" = "ppc64"  -a "$cpu" = "ppc" \) -o \
5345       \( "$target_name" = "ppc"    -a "$cpu" = "ppc64" \) -o \
5346       \( "$target_name" = "ppcemb" -a "$cpu" = "ppc64" \) -o \
5347       \( "$target_name" = "mipsel" -a "$cpu" = "mips" \) -o \
5348       \( "$target_name" = "x86_64" -a "$cpu" = "i386"   \) -o \
5349       \( "$target_name" = "i386"   -a "$cpu" = "x86_64" \) -o \
5350       \( "$target_name" = "x86_64" -a "$cpu" = "x32"   \) -o \
5351       \( "$target_name" = "i386"   -a "$cpu" = "x32" \) \) ; then
5352       echo "CONFIG_KVM=y" >> $config_target_mak
5353       if test "$vhost_net" = "yes" ; then
5354         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
5355       fi
5356     fi
5357 esac
5358 if test "$target_bigendian" = "yes" ; then
5359   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
5360 fi
5361 if test "$target_softmmu" = "yes" ; then
5362   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
5363 fi
5364 if test "$target_user_only" = "yes" ; then
5365   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
5366   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
5367 fi
5368 if test "$target_linux_user" = "yes" ; then
5369   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
5370 fi
5371 list=""
5372 if test ! -z "$gdb_xml_files" ; then
5373   for x in $gdb_xml_files; do
5374     list="$list $source_path/gdb-xml/$x"
5375   done
5376   echo "TARGET_XML_FILES=$list" >> $config_target_mak
5377 fi
5378
5379 if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
5380   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
5381 fi
5382 if test "$target_user_only" = "yes" -a "$guest_base" = "yes"; then
5383   echo "CONFIG_USE_GUEST_BASE=y" >> $config_target_mak
5384 fi
5385 if test "$target_bsd_user" = "yes" ; then
5386   echo "CONFIG_BSD_USER=y" >> $config_target_mak
5387 fi
5388
5389 # generate QEMU_CFLAGS/LDFLAGS for targets
5390
5391 cflags=""
5392 ldflags=""
5393
5394 for i in $ARCH $TARGET_BASE_ARCH ; do
5395   case "$i" in
5396   alpha)
5397     echo "CONFIG_ALPHA_DIS=y"  >> $config_target_mak
5398     echo "CONFIG_ALPHA_DIS=y"  >> config-all-disas.mak
5399   ;;
5400   aarch64)
5401     if test -n "${cxx}"; then
5402       echo "CONFIG_ARM_A64_DIS=y"  >> $config_target_mak
5403       echo "CONFIG_ARM_A64_DIS=y"  >> config-all-disas.mak
5404     fi
5405   ;;
5406   arm)
5407     echo "CONFIG_ARM_DIS=y"  >> $config_target_mak
5408     echo "CONFIG_ARM_DIS=y"  >> config-all-disas.mak
5409     if test -n "${cxx}"; then
5410       echo "CONFIG_ARM_A64_DIS=y"  >> $config_target_mak
5411       echo "CONFIG_ARM_A64_DIS=y"  >> config-all-disas.mak
5412     fi
5413   ;;
5414   cris)
5415     echo "CONFIG_CRIS_DIS=y"  >> $config_target_mak
5416     echo "CONFIG_CRIS_DIS=y"  >> config-all-disas.mak
5417   ;;
5418   hppa)
5419     echo "CONFIG_HPPA_DIS=y"  >> $config_target_mak
5420     echo "CONFIG_HPPA_DIS=y"  >> config-all-disas.mak
5421   ;;
5422   i386|x86_64|x32)
5423     echo "CONFIG_I386_DIS=y"  >> $config_target_mak
5424     echo "CONFIG_I386_DIS=y"  >> config-all-disas.mak
5425   ;;
5426   ia64*)
5427     echo "CONFIG_IA64_DIS=y"  >> $config_target_mak
5428     echo "CONFIG_IA64_DIS=y"  >> config-all-disas.mak
5429   ;;
5430   lm32)
5431     echo "CONFIG_LM32_DIS=y"  >> $config_target_mak
5432     echo "CONFIG_LM32_DIS=y"  >> config-all-disas.mak
5433   ;;
5434   m68k)
5435     echo "CONFIG_M68K_DIS=y"  >> $config_target_mak
5436     echo "CONFIG_M68K_DIS=y"  >> config-all-disas.mak
5437   ;;
5438   microblaze*)
5439     echo "CONFIG_MICROBLAZE_DIS=y"  >> $config_target_mak
5440     echo "CONFIG_MICROBLAZE_DIS=y"  >> config-all-disas.mak
5441   ;;
5442   mips*)
5443     echo "CONFIG_MIPS_DIS=y"  >> $config_target_mak
5444     echo "CONFIG_MIPS_DIS=y"  >> config-all-disas.mak
5445   ;;
5446   moxie*)
5447     echo "CONFIG_MOXIE_DIS=y"  >> $config_target_mak
5448     echo "CONFIG_MOXIE_DIS=y"  >> config-all-disas.mak
5449   ;;
5450   or32)
5451     echo "CONFIG_OPENRISC_DIS=y"  >> $config_target_mak
5452     echo "CONFIG_OPENRISC_DIS=y"  >> config-all-disas.mak
5453   ;;
5454   ppc*)
5455     echo "CONFIG_PPC_DIS=y"  >> $config_target_mak
5456     echo "CONFIG_PPC_DIS=y"  >> config-all-disas.mak
5457   ;;
5458   s390*)
5459     echo "CONFIG_S390_DIS=y"  >> $config_target_mak
5460     echo "CONFIG_S390_DIS=y"  >> config-all-disas.mak
5461   ;;
5462   sh4)
5463     echo "CONFIG_SH4_DIS=y"  >> $config_target_mak
5464     echo "CONFIG_SH4_DIS=y"  >> config-all-disas.mak
5465   ;;
5466   sparc*)
5467     echo "CONFIG_SPARC_DIS=y"  >> $config_target_mak
5468     echo "CONFIG_SPARC_DIS=y"  >> config-all-disas.mak
5469   ;;
5470   xtensa*)
5471     echo "CONFIG_XTENSA_DIS=y"  >> $config_target_mak
5472     echo "CONFIG_XTENSA_DIS=y"  >> config-all-disas.mak
5473   ;;
5474   esac
5475 done
5476 if test "$tcg_interpreter" = "yes" ; then
5477   echo "CONFIG_TCI_DIS=y"  >> $config_target_mak
5478   echo "CONFIG_TCI_DIS=y"  >> config-all-disas.mak
5479 fi
5480
5481 case "$ARCH" in
5482 alpha)
5483   # Ensure there's only a single GP
5484   cflags="-msmall-data $cflags"
5485 ;;
5486 esac
5487
5488 if test "$gprof" = "yes" ; then
5489   echo "TARGET_GPROF=yes" >> $config_target_mak
5490   if test "$target_linux_user" = "yes" ; then
5491     cflags="-p $cflags"
5492     ldflags="-p $ldflags"
5493   fi
5494   if test "$target_softmmu" = "yes" ; then
5495     ldflags="-p $ldflags"
5496     echo "GPROF_CFLAGS=-p" >> $config_target_mak
5497   fi
5498 fi
5499
5500 if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
5501   ldflags="$ldflags $textseg_ldflags"
5502 fi
5503
5504 echo "LDFLAGS+=$ldflags" >> $config_target_mak
5505 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
5506
5507 done # for target in $targets
5508
5509 if [ "$pixman" = "internal" ]; then
5510   echo "config-host.h: subdir-pixman" >> $config_host_mak
5511 fi
5512
5513 if test "$rdma" = "yes" ; then
5514 echo "CONFIG_RDMA=y" >> $config_host_mak
5515 fi
5516
5517 if [ "$dtc_internal" = "yes" ]; then
5518   echo "config-host.h: subdir-dtc" >> $config_host_mak
5519 fi
5520
5521 if test "$numa" = "yes"; then
5522   echo "CONFIG_NUMA=y" >> $config_host_mak
5523 fi
5524
5525 if test "$ccache_cpp2" = "yes"; then
5526   echo "export CCACHE_CPP2=y" >> $config_host_mak
5527 fi
5528
5529 # build tree in object directory in case the source is not in the current directory
5530 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests"
5531 DIRS="$DIRS fsdev"
5532 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
5533 DIRS="$DIRS roms/seabios roms/vgabios"
5534 DIRS="$DIRS qapi-generated"
5535 FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
5536 FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
5537 FILES="$FILES tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
5538 FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
5539 FILES="$FILES pc-bios/spapr-rtas/Makefile"
5540 FILES="$FILES pc-bios/s390-ccw/Makefile"
5541 FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
5542 FILES="$FILES pc-bios/qemu-icon.bmp"
5543 for bios_file in \
5544     $source_path/pc-bios/*.bin \
5545     $source_path/pc-bios/*.aml \
5546     $source_path/pc-bios/*.rom \
5547     $source_path/pc-bios/*.dtb \
5548     $source_path/pc-bios/*.img \
5549     $source_path/pc-bios/openbios-* \
5550     $source_path/pc-bios/u-boot.* \
5551     $source_path/pc-bios/palcode-*
5552 do
5553     FILES="$FILES pc-bios/`basename $bios_file`"
5554 done
5555 for test_file in `find $source_path/tests/acpi-test-data -type f`
5556 do
5557     FILES="$FILES tests/acpi-test-data`echo $test_file | sed -e 's/.*acpi-test-data//'`"
5558 done
5559 mkdir -p $DIRS
5560 for f in $FILES ; do
5561     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
5562         symlink "$source_path/$f" "$f"
5563     fi
5564 done
5565
5566 # temporary config to build submodules
5567 for rom in seabios vgabios ; do
5568     config_mak=roms/$rom/config.mak
5569     echo "# Automatically generated by configure - do not modify" > $config_mak
5570     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
5571     echo "AS=$as" >> $config_mak
5572     echo "CC=$cc" >> $config_mak
5573     echo "BCC=bcc" >> $config_mak
5574     echo "CPP=$cpp" >> $config_mak
5575     echo "OBJCOPY=objcopy" >> $config_mak
5576     echo "IASL=$iasl" >> $config_mak
5577     echo "LD=$ld" >> $config_mak
5578 done
5579
5580 # set up qemu-iotests in this build directory
5581 iotests_common_env="tests/qemu-iotests/common.env"
5582 iotests_check="tests/qemu-iotests/check"
5583
5584 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
5585 echo >> "$iotests_common_env"
5586 echo "export PYTHON='$python'" >> "$iotests_common_env"
5587
5588 if [ ! -e "$iotests_check" ]; then
5589     symlink "$source_path/$iotests_check" "$iotests_check"
5590 fi
5591
5592 # Save the configure command line for later reuse.
5593 cat <<EOD >config.status
5594 #!/bin/sh
5595 # Generated by configure.
5596 # Run this file to recreate the current configuration.
5597 # Compiler output produced by configure, useful for debugging
5598 # configure, is in config.log if it exists.
5599 EOD
5600 printf "exec" >>config.status
5601 printf " '%s'" "$0" "$@" >>config.status
5602 echo >>config.status
5603 chmod +x config.status
5604
5605 rm -r "$TMPDIR1"