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#!/bin/sh
#
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# qemu configure script (c) 2003 Fabrice Bellard
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#
# set temporary file name
if test ! -z "$TMPDIR" ; then
    TMPDIR1="${TMPDIR}"
elif test ! -z "$TEMPDIR" ; then
    TMPDIR1="${TEMPDIR}"
else
    TMPDIR1="/tmp"
fi

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TMPC="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.c"
TMPO="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.o"
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TMPE="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.exe"
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# NB: do not call "exit" in the trap handler; this is buggy with some shells;
# see <1285349658-3122-1-git-send-email-loic.minier@linaro.org>
trap "rm -f $TMPC $TMPO $TMPE" EXIT INT QUIT TERM
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rm -f config.log
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# Print a helpful header at the top of config.log
echo "# QEMU configure log $(date)" >> config.log
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printf "# Configured with:" >> config.log
printf " '%s'" "$0" "$@" >> config.log
echo >> config.log
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echo "#" >> config.log

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compile_object() {
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  echo $cc $QEMU_CFLAGS -c -o $TMPO $TMPC >> config.log
  $cc $QEMU_CFLAGS -c -o $TMPO $TMPC >> config.log 2>&1
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}

compile_prog() {
  local_cflags="$1"
  local_ldflags="$2"
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  echo $cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags >> config.log
  $cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags >> config.log 2>&1
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}

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# symbolically link $1 to $2.  Portable version of "ln -sf".
symlink() {
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  rm -rf "$2"
  ln -s "$1" "$2"
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}

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# check whether a command is available to this shell (may be either an
# executable or a builtin)
has() {
    type "$1" >/dev/null 2>&1
}

# search for an executable in PATH
path_of() {
    local_command="$1"
    local_ifs="$IFS"
    local_dir=""

    # pathname has a dir component?
    if [ "${local_command#*/}" != "$local_command" ]; then
        if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
            echo "$local_command"
            return 0
        fi
    fi
    if [ -z "$local_command" ]; then
        return 1
    fi

    IFS=:
    for local_dir in $PATH; do
        if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
            echo "$local_dir/$local_command"
            IFS="${local_ifs:-$(printf ' \t\n')}"
            return 0
        fi
    done
    # not found
    IFS="${local_ifs:-$(printf ' \t\n')}"
    return 1
}

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# default parameters
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source_path=`dirname "$0"`
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cpu=""
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interp_prefix="/usr/gnemul/qemu-%M"
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static="no"
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sparc_cpu=""
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cross_prefix=""
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audio_drv_list=""
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audio_card_list="ac97 es1370 sb16 hda"
audio_possible_cards="ac97 es1370 sb16 cs4231a adlib gus hda"
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block_drv_whitelist=""
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host_cc="gcc"
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helper_cflags=""
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libs_softmmu=""
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libs_tools=""
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audio_pt_int=""
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audio_win_int=""
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cc_i386=i386-pc-linux-gnu-gcc
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libs_qga=""
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debug_info="yes"
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target_list=""

# Default value for a variable defining feature "foo".
#  * foo="no"  feature will only be used if --enable-foo arg is given
#  * foo=""    feature will be searched for, and if found, will be used
#              unless --disable-foo is given
#  * foo="yes" this value will only be set by --enable-foo flag.
#              feature will searched for,
#              if not found, configure exits with error
#
# Always add --enable-foo and --disable-foo command line args.
# Distributions want to ensure that several features are compiled in, and it
# is impossible without a --enable-foo that exits if a feature is not found.

bluez=""
brlapi=""
curl=""
curses=""
docs=""
fdt=""
nptl=""
sdl=""
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virtfs=""
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vnc="yes"
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sparse="no"
uuid=""
vde=""
vnc_tls=""
vnc_sasl=""
vnc_jpeg=""
vnc_png=""
vnc_thread="no"
xen=""
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xen_ctrl_version=""
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linux_aio=""
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cap_ng=""
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attr=""
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libattr=""
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xfs=""

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vhost_net="no"
kvm="no"
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gprof="no"
debug_tcg="no"
debug_mon="no"
debug="no"
strip_opt="yes"
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tcg_interpreter="no"
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bigendian="no"
mingw32="no"
EXESUF=""
prefix="/usr/local"
mandir="\${prefix}/share/man"
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datadir="\${prefix}/share"
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qemu_docdir="\${prefix}/share/doc/qemu"
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bindir="\${prefix}/bin"
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libdir="\${prefix}/lib"
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includedir="\${prefix}/include"
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sysconfdir="\${prefix}/etc"
confsuffix="/qemu"
slirp="yes"
fmod_lib=""
fmod_inc=""
oss_lib=""
bsd="no"
linux="no"
solaris="no"
profiler="no"
cocoa="no"
softmmu="yes"
linux_user="no"
bsd_user="no"
guest_base=""
uname_release=""
mixemu="no"
aix="no"
blobs="yes"
pkgversion=""
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pie=""
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zero_malloc=""
trace_backend="nop"
trace_file="trace"
spice=""
rbd=""
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smartcard=""
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smartcard_nss=""
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usb_redir=""
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opengl=""
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zlib="yes"
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guest_agent="yes"
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libiscsi=""
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coroutine=""
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# parse CC options first
for opt do
  optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
  case "$opt" in
  --cross-prefix=*) cross_prefix="$optarg"
  ;;
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  --cc=*) CC="$optarg"
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  ;;
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  --source-path=*) source_path="$optarg"
  ;;
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  --cpu=*) cpu="$optarg"
  ;;
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  --extra-cflags=*) QEMU_CFLAGS="$optarg $QEMU_CFLAGS"
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  ;;
  --extra-ldflags=*) LDFLAGS="$optarg $LDFLAGS"
  ;;
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  --enable-debug-info) debug_info="yes"
  ;;
  --disable-debug-info) debug_info="no"
  ;;
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  --sparc_cpu=*)
    sparc_cpu="$optarg"
    case $sparc_cpu in
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    v7|v8|v8plus|v8plusa)
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      cpu="sparc"
    ;;
    v9)
      cpu="sparc64"
    ;;
    *)
      echo "undefined SPARC architecture. Exiting";
      exit 1
    ;;
    esac
  ;;
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  esac
done
# OS specific
# Using uname is really, really broken.  Once we have the right set of checks
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# we can eliminate its usage altogether.
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cc="${CC-${cross_prefix}gcc}"
ar="${AR-${cross_prefix}ar}"
objcopy="${OBJCOPY-${cross_prefix}objcopy}"
ld="${LD-${cross_prefix}ld}"
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libtool="${LIBTOOL-${cross_prefix}libtool}"
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strip="${STRIP-${cross_prefix}strip}"
windres="${WINDRES-${cross_prefix}windres}"
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pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
query_pkg_config() {
    "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
}
pkg_config=query_pkg_config
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sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
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# default flags for all hosts
QEMU_CFLAGS="-fno-strict-aliasing $QEMU_CFLAGS"
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QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
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QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
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QEMU_CFLAGS="-D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
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QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/fpu"
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if test "$debug_info" = "yes"; then
    CFLAGS="-g $CFLAGS"
    LDFLAGS="-g $LDFLAGS"
fi
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# make source path absolute
source_path=`cd "$source_path"; pwd`

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check_define() {
cat > $TMPC <<EOF
#if !defined($1)
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#error $1 not defined
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#endif
int main(void) { return 0; }
EOF
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  compile_object
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}

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if test ! -z "$cpu" ; then
  # command line argument
  :
elif check_define __i386__ ; then
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  cpu="i386"
elif check_define __x86_64__ ; then
  cpu="x86_64"
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elif check_define __sparc__ ; then
  # We can't check for 64 bit (when gcc is biarch) or V8PLUSA
  # They must be specified using --sparc_cpu
  if check_define __arch64__ ; then
    cpu="sparc64"
  else
    cpu="sparc"
  fi
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elif check_define _ARCH_PPC ; then
  if check_define _ARCH_PPC64 ; then
    cpu="ppc64"
  else
    cpu="ppc"
  fi
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elif check_define __mips__ ; then
  cpu="mips"
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elif check_define __ia64__ ; then
  cpu="ia64"
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elif check_define __s390__ ; then
  if check_define __s390x__ ; then
    cpu="s390x"
  else
    cpu="s390"
  fi
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elif check_define __arm__ ; then
  cpu="arm"
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elif check_define __hppa__ ; then
  cpu="hppa"
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else
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  cpu=`uname -m`
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fi

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ARCH=
# Normalise host CPU name and set ARCH.
# Note that this case should only have supported host CPUs, not guests.
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case "$cpu" in
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  ia64|ppc|ppc64|s390|s390x|sparc64)
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    cpu="$cpu"
  ;;
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  i386|i486|i586|i686|i86pc|BePC)
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    cpu="i386"
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  ;;
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  x86_64|amd64)
    cpu="x86_64"
  ;;
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  armv*b|armv*l|arm)
    cpu="arm"
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  ;;
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  hppa|parisc|parisc64)
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    cpu="hppa"
  ;;
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  mips*)
    cpu="mips"
  ;;
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  sparc|sun4[cdmuv])
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    cpu="sparc"
  ;;
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  *)
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    # This will result in either an error or falling back to TCI later
    ARCH=unknown
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  ;;
esac
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if test -z "$ARCH"; then
  ARCH="$cpu"
fi
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# OS specific
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if check_define __linux__ ; then
  targetos="Linux"
elif check_define _WIN32 ; then
  targetos='MINGW32'
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elif check_define __OpenBSD__ ; then
  targetos='OpenBSD'
elif check_define __sun__ ; then
  targetos='SunOS'
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elif check_define __HAIKU__ ; then
  targetos='Haiku'
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else
  targetos=`uname -s`
fi
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case $targetos in
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CYGWIN*)
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  mingw32="yes"
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  QEMU_CFLAGS="-mno-cygwin $QEMU_CFLAGS"
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  audio_possible_drivers="winwave sdl"
  audio_drv_list="winwave"
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;;
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MINGW32*)
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  mingw32="yes"
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  audio_possible_drivers="winwave dsound sdl fmod"
  audio_drv_list="winwave"
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;;
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GNU/kFreeBSD)
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  bsd="yes"
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  audio_drv_list="oss"
  audio_possible_drivers="oss sdl esd pa"
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;;
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FreeBSD)
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  bsd="yes"
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  make="${MAKE-gmake}"
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  audio_drv_list="oss"
  audio_possible_drivers="oss sdl esd pa"
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  # needed for kinfo_getvmmap(3) in libutil.h
  LIBS="-lutil $LIBS"
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;;
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DragonFly)
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  bsd="yes"
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  make="${MAKE-gmake}"
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  audio_drv_list="oss"
  audio_possible_drivers="oss sdl esd pa"
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;;
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NetBSD)
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  bsd="yes"
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  make="${MAKE-gmake}"
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  audio_drv_list="oss"
  audio_possible_drivers="oss sdl esd"
  oss_lib="-lossaudio"
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;;
OpenBSD)
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  bsd="yes"
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  make="${MAKE-gmake}"
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  audio_drv_list="oss"
  audio_possible_drivers="oss sdl esd"
  oss_lib="-lossaudio"
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;;
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Darwin)
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  bsd="yes"
  darwin="yes"
  # on Leopard most of the system is 32-bit, so we have to ask the kernel it if we can
  # run 64-bit userspace code
  if [ "$cpu" = "i386" ] ; then
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    is_x86_64=`sysctl -n hw.optional.x86_64`
    [ "$is_x86_64" = "1" ] && cpu=x86_64
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  fi
  if [ "$cpu" = "x86_64" ] ; then
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    QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
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    LDFLAGS="-arch x86_64 $LDFLAGS"
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  else
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    QEMU_CFLAGS="-mdynamic-no-pic $QEMU_CFLAGS"
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  fi
  cocoa="yes"
  audio_drv_list="coreaudio"
  audio_possible_drivers="coreaudio sdl fmod"
  LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
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  libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
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;;
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SunOS)
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  solaris="yes"
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  make="${MAKE-gmake}"
  install="${INSTALL-ginstall}"
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  ld="gld"
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  smbd="${SMBD-/usr/sfw/sbin/smbd}"
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  needs_libsunmath="no"
  solarisrev=`uname -r | cut -f2 -d.`
  # have to select again, because `uname -m` returns i86pc
  # even on an x86_64 box.
  solariscpu=`isainfo -k`
  if test "${solariscpu}" = "amd64" ; then
    cpu="x86_64"
  fi
  if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
    if test "$solarisrev" -le 9 ; then
      if test -f /opt/SUNWspro/prod/lib/libsunmath.so.1; then
        needs_libsunmath="yes"
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        QEMU_CFLAGS="-I/opt/SUNWspro/prod/include/cc $QEMU_CFLAGS"
        LDFLAGS="-L/opt/SUNWspro/prod/lib -R/opt/SUNWspro/prod/lib $LDFLAGS"
        LIBS="-lsunmath $LIBS"
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      else
        echo "QEMU will not link correctly on Solaris 8/X86 or 9/x86 without"
        echo "libsunmath from the Sun Studio compilers tools, due to a lack of"
        echo "C99 math features in libm.so in Solaris 8/x86 and Solaris 9/x86"
        echo "Studio 11 can be downloaded from www.sun.com."
        exit 1
      fi
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    fi
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  fi
  if test -f /usr/include/sys/soundcard.h ; then
    audio_drv_list="oss"
  fi
  audio_possible_drivers="oss sdl"
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# needed for CMSG_ macros in sys/socket.h
  QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
# needed for TIOCWIN* defines in termios.h
  QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
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  QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
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  solarisnetlibs="-lsocket -lnsl -lresolv"
  LIBS="$solarisnetlibs $LIBS"
  libs_qga="$solarisnetlibs $libs_qga"
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;;
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AIX)
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  aix="yes"
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  make="${MAKE-gmake}"
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;;
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Haiku)
  haiku="yes"
  QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
  LIBS="-lposix_error_mapper -lnetwork $LIBS"
;;
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*)
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  audio_drv_list="oss"
  audio_possible_drivers="oss alsa sdl esd pa"
  linux="yes"
  linux_user="yes"
  usb="linux"
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  kvm="yes"
  vhost_net="yes"
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  if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
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    audio_possible_drivers="$audio_possible_drivers fmod"
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  fi
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;;
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esac

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if [ "$bsd" = "yes" ] ; then
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  if [ "$darwin" != "yes" ] ; then
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    usb="bsd"
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    bsd_user="yes"
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  fi
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fi

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: ${make=${MAKE-make}}
: ${install=${INSTALL-install}}
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: ${python=${PYTHON-python}}
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: ${smbd=${SMBD-/usr/sbin/smbd}}
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if test "$mingw32" = "yes" ; then
  EXESUF=".exe"
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  QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
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  # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
  QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
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  LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
cat > $TMPC << EOF
int main(void) { return 0; }
EOF
  if compile_prog "" "-liberty" ; then
    LIBS="-liberty $LIBS"
  fi
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  prefix="c:/Program Files/QEMU"
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  mandir="\${prefix}"
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  datadir="\${prefix}"
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  qemu_docdir="\${prefix}"
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  bindir="\${prefix}"
  sysconfdir="\${prefix}"
  confsuffix=""
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  libs_qga="-lws2_32 -lwinmm -lpowrprof $libs_qga"
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fi

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werror=""
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for opt do
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  optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
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  case "$opt" in
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  --help|-h) show_help=yes
  ;;
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  --version|-V) exec cat $source_path/VERSION
  ;;
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  --prefix=*) prefix="$optarg"
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  ;;
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  --interp-prefix=*) interp_prefix="$optarg"
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  ;;
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  --source-path=*)
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  ;;
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  --cross-prefix=*)
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  ;;
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  --cc=*)
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  ;;
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  --host-cc=*) host_cc="$optarg"
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  ;;
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  --make=*) make="$optarg"
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  ;;
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  --install=*) install="$optarg"
  ;;
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  --python=*) python="$optarg"
  ;;
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  --smbd=*) smbd="$optarg"
  ;;
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  --extra-cflags=*)
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  ;;
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  --extra-ldflags=*)
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  ;;
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  --enable-debug-info)
  ;;
  --disable-debug-info)
  ;;
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  --cpu=*)
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  ;;
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  --target-list=*) target_list="$optarg"
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  ;;
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  --enable-trace-backend=*) trace_backend="$optarg"
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  ;;
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  --with-trace-file=*) trace_file="$optarg"
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  ;;
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  --enable-gprof) gprof="yes"
  ;;
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  --static)
    static="yes"
    LDFLAGS="-static $LDFLAGS"
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    QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
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  ;;
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  --mandir=*) mandir="$optarg"
  ;;
  --bindir=*) bindir="$optarg"
  ;;
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  --libdir=*) libdir="$optarg"
  ;;
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  --includedir=*) includedir="$optarg"
  ;;
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  --datadir=*) datadir="$optarg"
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  ;;
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  --with-confsuffix=*) confsuffix="$optarg"
  ;;
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  --docdir=*) qemu_docdir="$optarg"
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  ;;
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  --sysconfdir=*) sysconfdir="$optarg"
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  ;;
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  --sbindir=*|--libexecdir=*|--sharedstatedir=*|--localstatedir=*|\
  --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
  --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
    # These switches are silently ignored, for compatibility with
    # autoconf-generated configure scripts. This allows QEMU's
    # configure to be used by RPM and similar macros that set
    # lots of directory switches by default.
  ;;
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  --disable-sdl) sdl="no"
  ;;
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  --enable-sdl) sdl="yes"
  ;;
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  --disable-virtfs) virtfs="no"
  ;;
  --enable-virtfs) virtfs="yes"
  ;;
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  --disable-vnc) vnc="no"
  ;;
  --enable-vnc) vnc="yes"
  ;;
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  --fmod-lib=*) fmod_lib="$optarg"
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  ;;
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  --fmod-inc=*) fmod_inc="$optarg"
  ;;
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  --oss-lib=*) oss_lib="$optarg"
  ;;
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  --audio-card-list=*) audio_card_list=`echo "$optarg" | sed -e 's/,/ /g'`
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  ;;
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  --audio-drv-list=*) audio_drv_list="$optarg"
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  ;;
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  --block-drv-whitelist=*) block_drv_whitelist=`echo "$optarg" | sed -e 's/,/ /g'`
  ;;
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  --enable-debug-tcg) debug_tcg="yes"
  ;;
  --disable-debug-tcg) debug_tcg="no"
  ;;
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  --enable-debug-mon) debug_mon="yes"
  ;;
  --disable-debug-mon) debug_mon="no"
  ;;
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  --enable-debug)
      # Enable debugging options that aren't excessively noisy
      debug_tcg="yes"
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      debug_mon="yes"
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      debug="yes"
      strip_opt="no"
  ;;
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  --enable-sparse) sparse="yes"
  ;;
  --disable-sparse) sparse="no"
  ;;
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  --disable-strip) strip_opt="no"
  ;;
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  --disable-vnc-tls) vnc_tls="no"
  ;;
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  --enable-vnc-tls) vnc_tls="yes"
  ;;
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  --disable-vnc-sasl) vnc_sasl="no"
  ;;
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  --enable-vnc-sasl) vnc_sasl="yes"
  ;;
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  --disable-vnc-jpeg) vnc_jpeg="no"
  ;;
  --enable-vnc-jpeg) vnc_jpeg="yes"
  ;;
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  --disable-vnc-png) vnc_png="no"
  ;;
  --enable-vnc-png) vnc_png="yes"
  ;;
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  --disable-vnc-thread) vnc_thread="no"
  ;;
  --enable-vnc-thread) vnc_thread="yes"
  ;;
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  --disable-slirp) slirp="no"
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  ;;
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  --disable-uuid) uuid="no"
  ;;
  --enable-uuid) uuid="yes"
  ;;
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  --disable-vde) vde="no"
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  ;;
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  --enable-vde) vde="yes"
  ;;
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  --disable-xen) xen="no"
  ;;
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  --enable-xen) xen="yes"
  ;;
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  --disable-brlapi) brlapi="no"
  ;;
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  --enable-brlapi) brlapi="yes"
  ;;
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  --disable-bluez) bluez="no"
  ;;
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  --enable-bluez) bluez="yes"
  ;;
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  --disable-kvm) kvm="no"
  ;;
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  --enable-kvm) kvm="yes"
  ;;
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  --disable-tcg-interpreter) tcg_interpreter="no"
  ;;
  --enable-tcg-interpreter) tcg_interpreter="yes"
  ;;
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  --disable-cap-ng)  cap_ng="no"
  ;;
  --enable-cap-ng) cap_ng="yes"
  ;;
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  --disable-spice) spice="no"
  ;;
  --enable-spice) spice="yes"
  ;;
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  --disable-libiscsi) libiscsi="no"
  ;;
  --enable-libiscsi) libiscsi="yes"
  ;;
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  --enable-profiler) profiler="yes"
  ;;
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  --disable-cocoa) cocoa="no"
  ;;
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  --enable-cocoa)
      cocoa="yes" ;
      sdl="no" ;
      audio_drv_list="coreaudio `echo $audio_drv_list | sed s,coreaudio,,g`"
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  ;;
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  --disable-system) softmmu="no"
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  ;;
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  --enable-system) softmmu="yes"
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  ;;
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  --disable-user)
      linux_user="no" ;
      bsd_user="no" ;
  ;;
  --enable-user) ;;
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  --disable-linux-user) linux_user="no"
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  ;;
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  --enable-linux-user) linux_user="yes"
  ;;
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  --disable-bsd-user) bsd_user="no"
  ;;
  --enable-bsd-user) bsd_user="yes"
  ;;
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  --enable-guest-base) guest_base="yes"
  ;;
  --disable-guest-base) guest_base="no"
  ;;
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  --enable-pie) pie="yes"
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  ;;
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  --disable-pie) pie="no"
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  ;;
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  --enable-uname-release=*) uname_release="$optarg"
  ;;
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  --sparc_cpu=*)
  ;;
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  --enable-werror) werror="yes"
  ;;
  --disable-werror) werror="no"
  ;;
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  --disable-curses) curses="no"
  ;;
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  --enable-curses) curses="yes"
  ;;
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  --disable-curl) curl="no"
  ;;
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  --enable-curl) curl="yes"
  ;;
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  --disable-fdt) fdt="no"
  ;;
  --enable-fdt) fdt="yes"
  ;;
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  --disable-nptl) nptl="no"
  ;;
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  --enable-nptl) nptl="yes"
  ;;
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  --enable-mixemu) mixemu="yes"
  ;;
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  --disable-linux-aio) linux_aio="no"
  ;;
  --enable-linux-aio) linux_aio="yes"
  ;;
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  --disable-attr) attr="no"
  ;;
  --enable-attr) attr="yes"
  ;;
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  --disable-blobs) blobs="no"
  ;;
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  --with-pkgversion=*) pkgversion=" ($optarg)"
  ;;
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  --with-coroutine=*) coroutine="$optarg"
  ;;
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  --disable-docs) docs="no"
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  ;;
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  --enable-docs) docs="yes"
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  ;;
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  --disable-vhost-net) vhost_net="no"
  ;;
  --enable-vhost-net) vhost_net="yes"
  ;;
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  --disable-opengl) opengl="no"
  ;;
  --enable-opengl) opengl="yes"
  ;;
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  --disable-rbd) rbd="no"
  ;;
  --enable-rbd) rbd="yes"
  ;;
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  --disable-xfsctl) xfs="no"
  ;;
  --enable-xfsctl) xfs="yes"
  ;;
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  --disable-smartcard) smartcard="no"
  ;;
  --enable-smartcard) smartcard="yes"
  ;;
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  --disable-smartcard-nss) smartcard_nss="no"
  ;;
  --enable-smartcard-nss) smartcard_nss="yes"
  ;;
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  --disable-usb-redir) usb_redir="no"
  ;;
  --enable-usb-redir) usb_redir="yes"
  ;;
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  --disable-zlib-test) zlib="no"
  ;;
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  --enable-guest-agent) guest_agent="yes"
  ;;
  --disable-guest-agent) guest_agent="no"
  ;;
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  *) echo "ERROR: unknown option $opt"; show_help="yes"
  ;;
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  esac
done

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#
# If cpu ~= sparc and  sparc_cpu hasn't been defined, plug in the right
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# QEMU_CFLAGS/LDFLAGS (assume sparc_v8plus for 32-bit and sparc_v9 for 64-bit)
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#
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host_guest_base="no"
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case "$cpu" in
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    sparc) case $sparc_cpu in
           v7|v8)
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             QEMU_CFLAGS="-mcpu=${sparc_cpu} -D__sparc_${sparc_cpu}__ $QEMU_CFLAGS"
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           ;;
           v8plus|v8plusa)
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             QEMU_CFLAGS="-mcpu=ultrasparc -D__sparc_${sparc_cpu}__ $QEMU_CFLAGS"
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           ;;
           *) # sparc_cpu not defined in the command line
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             QEMU_CFLAGS="-mcpu=ultrasparc -D__sparc_v8plus__ $QEMU_CFLAGS"
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           esac
           LDFLAGS="-m32 $LDFLAGS"
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           QEMU_CFLAGS="-m32 -ffixed-g2 -ffixed-g3 $QEMU_CFLAGS"
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           if test "$solaris" = "no" ; then
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             QEMU_CFLAGS="-ffixed-g1 -ffixed-g6 $QEMU_CFLAGS"
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             helper_cflags="-ffixed-i0"
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           fi
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           ;;
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    sparc64)
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           QEMU_CFLAGS="-m64 -mcpu=ultrasparc -D__sparc_v9__ $QEMU_CFLAGS"
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           LDFLAGS="-m64 $LDFLAGS"
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           QEMU_CFLAGS="-ffixed-g5 -ffixed-g6 -ffixed-g7 $QEMU_CFLAGS"
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           if test "$solaris" != "no" ; then
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             QEMU_CFLAGS="-ffixed-g1 $QEMU_CFLAGS"
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           fi
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           ;;
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    s390)
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           QEMU_CFLAGS="-m31 -march=z990 $QEMU_CFLAGS"
           LDFLAGS="-m31 $LDFLAGS"
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           host_guest_base="yes"
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           ;;
    s390x)
           QEMU_CFLAGS="-m64 -march=z990 $QEMU_CFLAGS"
           LDFLAGS="-m64 $LDFLAGS"
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           host_guest_base="yes"
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           ;;
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    i386)
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           QEMU_CFLAGS="-m32 $QEMU_CFLAGS"
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           LDFLAGS="-m32 $LDFLAGS"
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           cc_i386='$(CC) -m32'
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           helper_cflags="-fomit-frame-pointer"
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           host_guest_base="yes"
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           ;;
    x86_64)
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           QEMU_CFLAGS="-m64 $QEMU_CFLAGS"
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           LDFLAGS="-m64 $LDFLAGS"
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           cc_i386='$(CC) -m32'
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           host_guest_base="yes"
           ;;
    arm*)
           host_guest_base="yes"
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           ;;
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    ppc*)
           host_guest_base="yes"
           ;;
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    mips*)
           host_guest_base="yes"
           ;;
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    ia64*)
           host_guest_base="yes"
           ;;
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    hppa*)
           host_guest_base="yes"
           ;;
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    unicore32*)
           host_guest_base="yes"
           ;;
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esac

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[ -z "$guest_base" ] && guest_base="$host_guest_base"

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default_target_list=""

# these targets are portable
if [ "$softmmu" = "yes" ] ; then
    default_target_list="\
i386-softmmu \
x86_64-softmmu \
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alpha-softmmu \
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arm-softmmu \
cris-softmmu \
lm32-softmmu \
m68k-softmmu \
microblaze-softmmu \
microblazeel-softmmu \
mips-softmmu \
mipsel-softmmu \
mips64-softmmu \
mips64el-softmmu \
ppc-softmmu \
ppcemb-softmmu \
ppc64-softmmu \
sh4-softmmu \
sh4eb-softmmu \
sparc-softmmu \
sparc64-softmmu \
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s390x-softmmu \
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xtensa-softmmu \
xtensaeb-softmmu \
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"
fi
# the following are Linux specific
if [ "$linux_user" = "yes" ] ; then
    default_target_list="${default_target_list}\
i386-linux-user \
x86_64-linux-user \
alpha-linux-user \
arm-linux-user \
armeb-linux-user \
cris-linux-user \
m68k-linux-user \
microblaze-linux-user \
microblazeel-linux-user \
mips-linux-user \
mipsel-linux-user \
ppc-linux-user \
ppc64-linux-user \
ppc64abi32-linux-user \
sh4-linux-user \
sh4eb-linux-user \
sparc-linux-user \
sparc64-linux-user \
sparc32plus-linux-user \
unicore32-linux-user \
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s390x-linux-user \
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"
fi
# the following are BSD specific
if [ "$bsd_user" = "yes" ] ; then
    default_target_list="${default_target_list}\
i386-bsd-user \
x86_64-bsd-user \
sparc-bsd-user \
sparc64-bsd-user \
"
fi

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if test x"$show_help" = x"yes" ; then
cat << EOF

Usage: configure [options]
Options: [defaults in brackets after descriptions]

EOF
echo "Standard options:"
echo "  --help                   print this message"
echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
echo "  --interp-prefix=PREFIX   where to find shared libraries, etc."
echo "                           use %M for cpu name [$interp_prefix]"
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echo "  --target-list=LIST       set target list (default: build everything)"
echo "Available targets: $default_target_list" | \
    fold -s -w 53 | sed -e 's/^/                           /'
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echo ""
echo "Advanced options (experts only):"
echo "  --source-path=PATH       path of source code [$source_path]"
echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
echo "  --cc=CC                  use C compiler CC [$cc]"
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echo "  --host-cc=CC             use C compiler CC [$host_cc] for code run at"
echo "                           build time"
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echo "  --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS"
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echo "  --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS"
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echo "  --make=MAKE              use specified make [$make]"
1000
echo "  --install=INSTALL        use specified install [$install]"
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echo "  --python=PYTHON          use specified python [$python]"
1002
echo "  --smbd=SMBD              use specified smbd [$smbd]"
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echo "  --static                 enable static build [$static]"
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echo "  --mandir=PATH            install man pages in PATH"
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echo "  --datadir=PATH           install firmware in PATH$confsuffix"
echo "  --docdir=PATH            install documentation in PATH$confsuffix"
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echo "  --bindir=PATH            install binaries in PATH"
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echo "  --sysconfdir=PATH        install config in PATH$confsuffix"
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echo "  --with-confsuffix=SUFFIX suffix for QEMU data inside datadir and sysconfdir [$confsuffix]"
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echo "  --enable-debug-tcg       enable TCG debugging"
echo "  --disable-debug-tcg      disable TCG debugging (default)"
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echo "  --enable-debug           enable common debug build options"
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echo "  --enable-sparse          enable sparse checker"
echo "  --disable-sparse         disable sparse checker (default)"
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echo "  --disable-strip          disable stripping binaries"
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echo "  --disable-werror         disable compilation abort on warning"
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echo "  --disable-sdl            disable SDL"
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echo "  --enable-sdl             enable SDL"
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echo "  --disable-virtfs         disable VirtFS"
echo "  --enable-virtfs          enable VirtFS"
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echo "  --disable-vnc            disable VNC"
echo "  --enable-vnc             enable VNC"
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echo "  --disable-cocoa          disable Cocoa (Mac OS X only)"
echo "  --enable-cocoa           enable Cocoa (default on Mac OS X)"
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echo "  --audio-drv-list=LIST    set audio drivers list:"
echo "                           Available drivers: $audio_possible_drivers"
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echo "  --audio-card-list=LIST   set list of emulated audio cards [$audio_card_list]"
echo "                           Available cards: $audio_possible_cards"
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echo "  --block-drv-whitelist=L  set block driver whitelist"
echo "                           (affects only QEMU, not qemu-img)"
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echo "  --enable-mixemu          enable mixer emulation"
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echo "  --disable-xen            disable xen backend driver support"
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echo "  --enable-xen             enable xen backend driver support"
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echo "  --disable-brlapi         disable BrlAPI"
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echo "  --enable-brlapi          enable BrlAPI"
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echo "  --disable-vnc-tls        disable TLS encryption for VNC server"
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echo "  --enable-vnc-tls         enable TLS encryption for VNC server"
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echo "  --disable-vnc-sasl       disable SASL encryption for VNC server"
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echo "  --enable-vnc-sasl        enable SASL encryption for VNC server"
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echo "  --disable-vnc-jpeg       disable JPEG lossy compression for VNC server"
echo "  --enable-vnc-jpeg        enable JPEG lossy compression for VNC server"
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echo "  --disable-vnc-png        disable PNG compression for VNC server (default)"
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echo "  --enable-vnc-png         enable PNG compression for VNC server"
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echo "  --disable-vnc-thread     disable threaded VNC server"
echo "  --enable-vnc-thread      enable threaded VNC server"
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echo "  --disable-curses         disable curses output"
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echo "  --enable-curses          enable curses output"
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echo "  --disable-curl           disable curl connectivity"
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