Archipelago » qemu

#!/bin/sh

#

# qemu configure script (c) 2003 Fabrice Bellard

#

# set temporary file name

if test ! -z "$TMPDIR" ; then

    TMPDIR1="${TMPDIR}"

elif test ! -z "$TEMPDIR" ; then

    TMPDIR1="${TEMPDIR}"

else

    TMPDIR1="/tmp"

fi

TMPC="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.c"

TMPO="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.o"

TMPE="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.exe"

trap "rm -f $TMPC $TMPO $TMPE ; exit" EXIT INT QUIT TERM

compile_object() {

  $cc $QEMU_CFLAGS -c -o $TMPO $TMPC > /dev/null 2> /dev/null

}

compile_prog() {

  local_cflags="$1"

  local_ldflags="$2"

  $cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags > /dev/null 2> /dev/null

}

# 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

}

# default parameters

cpu=""

interp_prefix="/usr/gnemul/qemu-%M"

static="no"

sparc_cpu=""

cross_prefix=""

cc="gcc"

audio_drv_list=""

audio_card_list="ac97 es1370 sb16"

audio_possible_cards="ac97 es1370 sb16 cs4231a adlib gus"

block_drv_whitelist=""

host_cc="gcc"

ar="ar"

make="make"

install="install"

objcopy="objcopy"

ld="ld"

helper_cflags=""

libs_softmmu=""

libs_tools=""

audio_pt_int=""

audio_win_int=""

# parse CC options first

for opt do

  optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`

  case "$opt" in

  --cross-prefix=*) cross_prefix="$optarg"

  ;;

  --cc=*) cc="$optarg"

  ;;

  --cpu=*) cpu="$optarg"

  ;;

  --extra-cflags=*) QEMU_CFLAGS="$optarg $QEMU_CFLAGS"

  ;;

  --extra-ldflags=*) LDFLAGS="$optarg $LDFLAGS"

  ;;

  --sparc_cpu=*)

    sparc_cpu="$optarg"

    case $sparc_cpu in

    v7|v8|v8plus|v8plusa)

      cpu="sparc"

    ;;

    v9)

      cpu="sparc64"

    ;;

    *)

      echo "undefined SPARC architecture. Exiting";

      exit 1

    ;;

    esac

  ;;

  esac

done

# OS specific

# Using uname is really, really broken.  Once we have the right set of checks

# we can eliminate it's usage altogether

cc="${cross_prefix}${cc}"

ar="${cross_prefix}${ar}"

objcopy="${cross_prefix}${objcopy}"

ld="${cross_prefix}${ld}"

# default flags for all hosts

QEMU_CFLAGS="-fno-strict-aliasing $QEMU_CFLAGS"

CFLAGS="-g $CFLAGS"

QEMU_CFLAGS="-Wall -Wundef -Wendif-labels -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"

QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"

QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"

QEMU_CFLAGS="-D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"

QEMU_CFLAGS="-I. -I\$(SRC_PATH) $QEMU_CFLAGS"

LDFLAGS="-g $LDFLAGS"

gcc_flags="-Wold-style-declaration -Wold-style-definition -fstack-protector-all"

cat > $TMPC << EOF

int main(void) { return 0; }

EOF

for flag in $gcc_flags; do

    if compile_prog "-Werror $QEMU_CFLAGS" "-Werror $flag" ; then

	QEMU_CFLAGS="$flag $QEMU_CFLAGS"

    fi

done

# check that the C compiler works.

cat > $TMPC <<EOF

int main(void) {}

EOF

if compile_object ; then

  : C compiler works ok

else

    echo "ERROR: \"$cc\" either does not exist or does not work"

    exit 1

fi

check_define() {

cat > $TMPC <<EOF

#if !defined($1)

#error Not defined

#endif

int main(void) { return 0; }

EOF

  compile_object

}

if test ! -z "$cpu" ; then

  # command line argument

  :

elif check_define __i386__ ; then

  cpu="i386"

elif check_define __x86_64__ ; then

  cpu="x86_64"

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

elif check_define _ARCH_PPC ; then

  if check_define _ARCH_PPC64 ; then

    cpu="ppc64"

  else

    cpu="ppc"

  fi

elif check_define __mips__ ; then

  cpu="mips"

elif check_define __ia64__ ; then

  cpu="ia64"

elif check_define __s390__ ; then

  if check_define __s390x__ ; then

    cpu="s390x"

  else

    cpu="s390"

  fi

else

  cpu=`uname -m`

fi

target_list=""

case "$cpu" in

  alpha|cris|ia64|m68k|microblaze|ppc|ppc64|sparc64)

    cpu="$cpu"

  ;;

  i386|i486|i586|i686|i86pc|BePC)

    cpu="i386"

  ;;

  x86_64|amd64)

    cpu="x86_64"

  ;;

  armv*b)

    cpu="armv4b"

  ;;

  armv*l)

    cpu="armv4l"

  ;;

  parisc|parisc64)

    cpu="hppa"

  ;;

  mips*)

    cpu="mips"

  ;;

  s390)

    cpu="s390"

  ;;

  s390x)

    cpu="s390x"

  ;;

  sparc|sun4[cdmuv])

    cpu="sparc"

  ;;

  *)

    echo "Unsupported CPU = $cpu"

    exit 1

  ;;

esac

# 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=""

kvm=""

kvm_para=""

nptl=""

sdl=""

sparse="no"

uuid=""

vde=""

vnc_tls=""

vnc_sasl=""

xen=""

linux_aio=""

attr=""

vhost_net=""

gprof="no"

debug_tcg="no"

debug_mon="no"

debug="no"

strip_opt="yes"

bigendian="no"

mingw32="no"

EXESUF=""

prefix="/usr/local"

mandir="\${prefix}/share/man"

datadir="\${prefix}/share/qemu"

docdir="\${prefix}/share/doc/qemu"

bindir="\${prefix}/bin"

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"

darwin_user="no"

bsd_user="no"

guest_base=""

uname_release=""

io_thread="no"

mixemu="no"

kerneldir=""

aix="no"

blobs="yes"

pkgversion=""

check_utests="no"

user_pie="no"

zero_malloc=""

# OS specific

if check_define __linux__ ; then

  targetos="Linux"

elif check_define _WIN32 ; then

  targetos='MINGW32'

elif check_define __OpenBSD__ ; then

  targetos='OpenBSD'

elif check_define __sun__ ; then

  targetos='SunOS'

else

  targetos=`uname -s`

fi

case $targetos in

CYGWIN*)

  mingw32="yes"

  QEMU_CFLAGS="-mno-cygwin $QEMU_CFLAGS"

  audio_possible_drivers="winwave sdl"

  audio_drv_list="winwave"

;;

MINGW32*)

  mingw32="yes"

  audio_possible_drivers="winwave dsound sdl fmod"

  audio_drv_list="winwave"

;;

GNU/kFreeBSD)

  bsd="yes"

  audio_drv_list="oss"

  audio_possible_drivers="oss sdl esd pa"

;;

FreeBSD)

  bsd="yes"

  make="gmake"

  audio_drv_list="oss"

  audio_possible_drivers="oss sdl esd pa"

  # needed for kinfo_getvmmap(3) in libutil.h

  LIBS="-lutil $LIBS"

;;

DragonFly)

  bsd="yes"

  make="gmake"

  audio_drv_list="oss"

  audio_possible_drivers="oss sdl esd pa"

;;

NetBSD)

  bsd="yes"

  make="gmake"

  audio_drv_list="oss"

  audio_possible_drivers="oss sdl esd"

  oss_lib="-lossaudio"

;;

OpenBSD)

  bsd="yes"

  make="gmake"

  audio_drv_list="oss"

  audio_possible_drivers="oss sdl esd"

  oss_lib="-lossaudio"

;;

Darwin)

  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

    is_x86_64=`sysctl -n hw.optional.x86_64`

    [ "$is_x86_64" = "1" ] && cpu=x86_64

  fi

  if [ "$cpu" = "x86_64" ] ; then

    QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"

    LDFLAGS="-arch x86_64 $LDFLAGS"

  else

    QEMU_CFLAGS="-mdynamic-no-pic $QEMU_CFLAGS"

  fi

  darwin_user="yes"

  cocoa="yes"

  audio_drv_list="coreaudio"

  audio_possible_drivers="coreaudio sdl fmod"

  LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"

  libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"

;;

SunOS)

  solaris="yes"

  make="gmake"

  install="ginstall"

  ld="gld"

  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"

        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"

      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

    fi

  fi

  if test -f /usr/include/sys/soundcard.h ; then

    audio_drv_list="oss"

  fi

  audio_possible_drivers="oss sdl"

# 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"

  QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"

  LIBS="-lsocket -lnsl -lresolv $LIBS"

;;

AIX)

  aix="yes"

  make="gmake"

;;

*)

  audio_drv_list="oss"

  audio_possible_drivers="oss alsa sdl esd pa"

  linux="yes"

  linux_user="yes"

  usb="linux"

  if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then

    audio_possible_drivers="$audio_possible_drivers fmod"

  fi

;;

esac

if [ "$bsd" = "yes" ] ; then

  if [ "$darwin" != "yes" ] ; then

    usb="bsd"

  fi

  bsd_user="yes"

fi

if test "$mingw32" = "yes" ; then

  EXESUF=".exe"

  QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"

  # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)

  QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"

  LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"

  prefix="c:/Program Files/Qemu"

  mandir="\${prefix}"

  datadir="\${prefix}"

  docdir="\${prefix}"

  bindir="\${prefix}"

  sysconfdir="\${prefix}"

  confsuffix=""

fi

# find source path

source_path=`dirname "$0"`

source_path_used="no"

workdir=`pwd`

if [ -z "$source_path" ]; then

    source_path=$workdir

else

    source_path=`cd "$source_path"; pwd`

fi

[ -f "$workdir/vl.c" ] || source_path_used="yes"

werror=""

for opt do

  optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`

  case "$opt" in

  --help|-h) show_help=yes

  ;;

  --prefix=*) prefix="$optarg"

  ;;

  --interp-prefix=*) interp_prefix="$optarg"

  ;;

  --source-path=*) source_path="$optarg"

  source_path_used="yes"

  ;;

  --cross-prefix=*)

  ;;

  --cc=*)

  ;;

  --host-cc=*) host_cc="$optarg"

  ;;

  --make=*) make="$optarg"

  ;;

  --install=*) install="$optarg"

  ;;

  --extra-cflags=*)

  ;;

  --extra-ldflags=*)

  ;;

  --cpu=*)

  ;;

  --target-list=*) target_list="$optarg"

  ;;

  --enable-gprof) gprof="yes"

  ;;

  --static)

    static="yes"

    LDFLAGS="-static $LDFLAGS"

  ;;

  --mandir=*) mandir="$optarg"

  ;;

  --bindir=*) bindir="$optarg"

  ;;

  --datadir=*) datadir="$optarg"

  ;;

  --docdir=*) docdir="$optarg"

  ;;

  --sysconfdir=*) sysconfdir="$optarg"

  ;;

  --disable-sdl) sdl="no"

  ;;

  --enable-sdl) sdl="yes"

  ;;

  --fmod-lib=*) fmod_lib="$optarg"

  ;;

  --fmod-inc=*) fmod_inc="$optarg"

  ;;

  --oss-lib=*) oss_lib="$optarg"

  ;;

  --audio-card-list=*) audio_card_list=`echo "$optarg" | sed -e 's/,/ /g'`

  ;;

  --audio-drv-list=*) audio_drv_list="$optarg"

  ;;

  --block-drv-whitelist=*) block_drv_whitelist=`echo "$optarg" | sed -e 's/,/ /g'`

  ;;

  --enable-debug-tcg) debug_tcg="yes"

  ;;

  --disable-debug-tcg) debug_tcg="no"

  ;;

  --enable-debug-mon) debug_mon="yes"

  ;;

  --disable-debug-mon) debug_mon="no"

  ;;

  --enable-debug)

      # Enable debugging options that aren't excessively noisy

      debug_tcg="yes"

      debug_mon="yes"

      debug="yes"

      strip_opt="no"

  ;;

  --enable-sparse) sparse="yes"

  ;;

  --disable-sparse) sparse="no"

  ;;

  --disable-strip) strip_opt="no"

  ;;

  --disable-vnc-tls) vnc_tls="no"

  ;;

  --enable-vnc-tls) vnc_tls="yes"

  ;;

  --disable-vnc-sasl) vnc_sasl="no"

  ;;

  --enable-vnc-sasl) vnc_sasl="yes"

  ;;

  --disable-slirp) slirp="no"

  ;;

  --disable-uuid) uuid="no"

  ;;

  --enable-uuid) uuid="yes"

  ;;

  --disable-vde) vde="no"

  ;;

  --enable-vde) vde="yes"

  ;;

  --disable-xen) xen="no"

  ;;

  --enable-xen) xen="yes"

  ;;

  --disable-brlapi) brlapi="no"

  ;;

  --enable-brlapi) brlapi="yes"

  ;;

  --disable-bluez) bluez="no"

  ;;

  --enable-bluez) bluez="yes"

  ;;

  --disable-kvm) kvm="no"

  ;;

  --enable-kvm) kvm="yes"

  ;;

  --enable-profiler) profiler="yes"

  ;;

  --enable-cocoa)

      cocoa="yes" ;

      sdl="no" ;

      audio_drv_list="coreaudio `echo $audio_drv_list | sed s,coreaudio,,g`"

  ;;

  --disable-system) softmmu="no"

  ;;

  --enable-system) softmmu="yes"

  ;;

  --disable-user)

      linux_user="no" ;

      bsd_user="no" ;

      darwin_user="no"

  ;;

  --enable-user) ;;

  --disable-linux-user) linux_user="no"

  ;;

  --enable-linux-user) linux_user="yes"

  ;;

  --disable-darwin-user) darwin_user="no"

  ;;

  --enable-darwin-user) darwin_user="yes"

  ;;

  --disable-bsd-user) bsd_user="no"

  ;;

  --enable-bsd-user) bsd_user="yes"

  ;;

  --enable-guest-base) guest_base="yes"

  ;;

  --disable-guest-base) guest_base="no"

  ;;

  --enable-user-pie) user_pie="yes"

  ;;

  --disable-user-pie) user_pie="no"

  ;;

  --enable-uname-release=*) uname_release="$optarg"

  ;;

  --sparc_cpu=*)

  ;;

  --enable-werror) werror="yes"

  ;;

  --disable-werror) werror="no"

  ;;

  --disable-curses) curses="no"

  ;;

  --enable-curses) curses="yes"

  ;;

  --disable-curl) curl="no"

  ;;

  --enable-curl) curl="yes"

  ;;

  --disable-fdt) fdt="no"

  ;;

  --enable-fdt) fdt="yes"

  ;;

  --disable-check-utests) check_utests="no"

  ;;

  --enable-check-utests) check_utests="yes"

  ;;

  --disable-nptl) nptl="no"

  ;;

  --enable-nptl) nptl="yes"

  ;;

  --enable-mixemu) mixemu="yes"

  ;;

  --disable-linux-aio) linux_aio="no"

  ;;

  --enable-linux-aio) linux_aio="yes"

  ;;

  --disable-attr) attr="no"

  ;;

  --enable-attr) attr="yes"

  ;;

  --enable-io-thread) io_thread="yes"

  ;;

  --disable-blobs) blobs="no"

  ;;

  --kerneldir=*) kerneldir="$optarg"

  ;;

  --with-pkgversion=*) pkgversion=" ($optarg)"

  ;;

  --disable-docs) docs="no"

  ;;

  --enable-docs) docs="yes"

  ;;

  --disable-vhost-net) vhost_net="no"

  ;;

  --enable-vhost-net) vhost_net="yes"

  ;;

  --*dir)

  ;;

  *) echo "ERROR: unknown option $opt"; show_help="yes"

  ;;

  esac

done

#

# If cpu ~= sparc and  sparc_cpu hasn't been defined, plug in the right

# QEMU_CFLAGS/LDFLAGS (assume sparc_v8plus for 32-bit and sparc_v9 for 64-bit)

#

host_guest_base="no"

case "$cpu" in

    sparc) case $sparc_cpu in

           v7|v8)

             QEMU_CFLAGS="-mcpu=${sparc_cpu} -D__sparc_${sparc_cpu}__ $QEMU_CFLAGS"

           ;;

           v8plus|v8plusa)

             QEMU_CFLAGS="-mcpu=ultrasparc -D__sparc_${sparc_cpu}__ $QEMU_CFLAGS"

           ;;

           *) # sparc_cpu not defined in the command line

             QEMU_CFLAGS="-mcpu=ultrasparc -D__sparc_v8plus__ $QEMU_CFLAGS"

           esac

           LDFLAGS="-m32 $LDFLAGS"

           QEMU_CFLAGS="-m32 -ffixed-g2 -ffixed-g3 $QEMU_CFLAGS"

           if test "$solaris" = "no" ; then

             QEMU_CFLAGS="-ffixed-g1 -ffixed-g6 $QEMU_CFLAGS"

             helper_cflags="-ffixed-i0"

           fi

           ;;

    sparc64)

           QEMU_CFLAGS="-m64 -mcpu=ultrasparc -D__sparc_v9__ $QEMU_CFLAGS"

           LDFLAGS="-m64 $LDFLAGS"

           QEMU_CFLAGS="-ffixed-g5 -ffixed-g6 -ffixed-g7 $QEMU_CFLAGS"

           if test "$solaris" != "no" ; then

             QEMU_CFLAGS="-ffixed-g1 $QEMU_CFLAGS"

           fi

           ;;

    s390)

           QEMU_CFLAGS="-m31 -march=z990 $QEMU_CFLAGS"

           LDFLAGS="-m31 $LDFLAGS"

           ;;

    s390x)

           QEMU_CFLAGS="-m64 -march=z990 $QEMU_CFLAGS"

           LDFLAGS="-m64 $LDFLAGS"

           ;;

    i386)

           QEMU_CFLAGS="-m32 $QEMU_CFLAGS"

           LDFLAGS="-m32 $LDFLAGS"

           helper_cflags="-fomit-frame-pointer"

           host_guest_base="yes"

           ;;

    x86_64)

           QEMU_CFLAGS="-m64 $QEMU_CFLAGS"

           LDFLAGS="-m64 $LDFLAGS"

           host_guest_base="yes"

           ;;

    arm*)

           host_guest_base="yes"

           ;;

    ppc*)

           host_guest_base="yes"

           ;;

    mips*)

           host_guest_base="yes"

           ;;

    ia64*)

           host_guest_base="yes"

           ;;

    hppa*)

           host_guest_base="yes"

           ;;

esac

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

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]"

echo "  --target-list=LIST       set target list [$target_list]"

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]"

echo "  --host-cc=CC             use C compiler CC [$host_cc] for code run at"

echo "                           build time"

echo "  --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS"

echo "  --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS"

echo "  --make=MAKE              use specified make [$make]"

echo "  --install=INSTALL        use specified install [$install]"

echo "  --static                 enable static build [$static]"

echo "  --mandir=PATH            install man pages in PATH"

echo "  --datadir=PATH           install firmware in PATH"

echo "  --docdir=PATH            install documentation in PATH"

echo "  --bindir=PATH            install binaries in PATH"

echo "  --sysconfdir=PATH        install config in PATH/qemu"

echo "  --enable-debug-tcg       enable TCG debugging"

echo "  --disable-debug-tcg      disable TCG debugging (default)"

echo "  --enable-debug           enable common debug build options"

echo "  --enable-sparse          enable sparse checker"

echo "  --disable-sparse         disable sparse checker (default)"

echo "  --disable-strip          disable stripping binaries"

echo "  --disable-werror         disable compilation abort on warning"

echo "  --disable-sdl            disable SDL"

echo "  --enable-sdl             enable SDL"

echo "  --enable-cocoa           enable COCOA (Mac OS X only)"

echo "  --audio-drv-list=LIST    set audio drivers list:"

echo "                           Available drivers: $audio_possible_drivers"

echo "  --audio-card-list=LIST   set list of emulated audio cards [$audio_card_list]"

echo "                           Available cards: $audio_possible_cards"

echo "  --block-drv-whitelist=L  set block driver whitelist"

echo "                           (affects only QEMU, not qemu-img)"

echo "  --enable-mixemu          enable mixer emulation"

echo "  --disable-xen            disable xen backend driver support"

echo "  --enable-xen             enable xen backend driver support"

echo "  --disable-brlapi         disable BrlAPI"

echo "  --enable-brlapi          enable BrlAPI"

echo "  --disable-vnc-tls        disable TLS encryption for VNC server"

echo "  --enable-vnc-tls         enable TLS encryption for VNC server"

echo "  --disable-vnc-sasl       disable SASL encryption for VNC server"

echo "  --enable-vnc-sasl        enable SASL encryption for VNC server"

echo "  --disable-curses         disable curses output"

echo "  --enable-curses          enable curses output"

echo "  --disable-curl           disable curl connectivity"

echo "  --enable-curl            enable curl connectivity"

echo "  --disable-fdt            disable fdt device tree"

echo "  --enable-fdt             enable fdt device tree"

echo "  --disable-check-utests   disable check unit-tests"

echo "  --enable-check-utests    enable check unit-tests"

echo "  --disable-bluez          disable bluez stack connectivity"

echo "  --enable-bluez           enable bluez stack connectivity"

echo "  --disable-kvm            disable KVM acceleration support"

echo "  --enable-kvm             enable KVM acceleration support"

echo "  --disable-nptl           disable usermode NPTL support"

echo "  --enable-nptl            enable usermode NPTL support"

echo "  --enable-system          enable all system emulation targets"

echo "  --disable-system         disable all system emulation targets"

echo "  --enable-user            enable supported user emulation targets"

echo "  --disable-user           disable all user emulation targets"

echo "  --enable-linux-user      enable all linux usermode emulation targets"

echo "  --disable-linux-user     disable all linux usermode emulation targets"

echo "  --enable-darwin-user     enable all darwin usermode emulation targets"

echo "  --disable-darwin-user    disable all darwin usermode emulation targets"

echo "  --enable-bsd-user        enable all BSD usermode emulation targets"

echo "  --disable-bsd-user       disable all BSD usermode emulation targets"

echo "  --enable-guest-base      enable GUEST_BASE support for usermode"

echo "                           emulation targets"

echo "  --disable-guest-base     disable GUEST_BASE support"

echo "  --enable-user-pie        build usermode emulation targets as PIE"

echo "  --disable-user-pie       do not build usermode emulation targets as PIE"

echo "  --fmod-lib               path to FMOD library"

echo "  --fmod-inc               path to FMOD includes"

echo "  --oss-lib                path to OSS library"

echo "  --enable-uname-release=R Return R for uname -r in usermode emulation"

echo "  --sparc_cpu=V            Build qemu for Sparc architecture v7, v8, v8plus, v8plusa, v9"

echo "  --disable-uuid           disable uuid support"

echo "  --enable-uuid            enable uuid support"

echo "  --disable-vde            disable support for vde network"

echo "  --enable-vde             enable support for vde network"

echo "  --disable-linux-aio      disable Linux AIO support"

echo "  --enable-linux-aio       enable Linux AIO support"

echo "  --disable-attr           disables attr and xattr support"

echo "  --enable-attr            enable attr and xattr support"

echo "  --enable-io-thread       enable IO thread"

echo "  --disable-blobs          disable installing provided firmware blobs"

echo "  --kerneldir=PATH         look for kernel includes in PATH"

echo "  --enable-docs            enable documentation build"

echo "  --disable-docs           disable documentation build"

echo "  --disable-vhost-net      disable vhost-net acceleration support"

echo "  --enable-vhost-net       enable vhost-net acceleration support"

echo ""

echo "NOTE: The object files are built at the place where configure is launched"

exit 1

fi

#

# Solaris specific configure tool chain decisions

#

if test "$solaris" = "yes" ; then

  if has $install; then

    :

  else

    echo "Solaris install program not found. Use --install=/usr/ucb/install or"

    echo "install fileutils from www.blastwave.org using pkg-get -i fileutils"

    echo "to get ginstall which is used by default (which lives in /opt/csw/bin)"

    exit 1

  fi

  if test "`path_of $install`" = "/usr/sbin/install" ; then

    echo "Error: Solaris /usr/sbin/install is not an appropriate install program."

    echo "try ginstall from the GNU fileutils available from www.blastwave.org"

    echo "using pkg-get -i fileutils, or use --install=/usr/ucb/install"

    exit 1

  fi

  if has ar; then

    :

  else

    echo "Error: No path includes ar"

    if test -f /usr/ccs/bin/ar ; then

      echo "Add /usr/ccs/bin to your path and rerun configure"

    fi

    exit 1

  fi

fi

if test -z "$target_list" ; then

# these targets are portable

    if [ "$softmmu" = "yes" ] ; then

        target_list="\

i386-softmmu \

x86_64-softmmu \

arm-softmmu \

cris-softmmu \

m68k-softmmu \

microblaze-softmmu \

mips-softmmu \

mipsel-softmmu \

mips64-softmmu \

mips64el-softmmu \

ppc-softmmu \

ppcemb-softmmu \

ppc64-softmmu \

sh4-softmmu \

sh4eb-softmmu \

sparc-softmmu \

sparc64-softmmu \

"

    fi

# the following are Linux specific

    if [ "$linux_user" = "yes" ] ; then

        target_list="${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 \

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 \

"

    fi

# the following are Darwin specific

    if [ "$darwin_user" = "yes" ] ; then

        target_list="$target_list i386-darwin-user ppc-darwin-user "

    fi

# the following are BSD specific

    if [ "$bsd_user" = "yes" ] ; then

        target_list="${target_list}\

i386-bsd-user \

x86_64-bsd-user \

sparc-bsd-user \

sparc64-bsd-user \

"

    fi

else

    target_list=`echo "$target_list" | sed -e 's/,/ /g'`

fi

if test -z "$target_list" ; then

    echo "No targets enabled"

    exit 1

fi

# see if system emulation was really requested

case " $target_list " in

  *"-softmmu "*) softmmu=yes

  ;;

  *) softmmu=no

  ;;

esac

feature_not_found() {

  feature=$1

  echo "ERROR"

  echo "ERROR: User requested feature $feature"

  echo "ERROR: configure was not able to find it"

  echo "ERROR"

  exit 1;

}

if test -z "$cross_prefix" ; then

# ---

# big/little endian test

cat > $TMPC << EOF

#include <inttypes.h>

int main(int argc, char ** argv){

        volatile uint32_t i=0x01234567;

        return (*((uint8_t*)(&i))) == 0x67;

}

EOF

if compile_prog "" "" ; then

$TMPE && bigendian="yes"

else

echo big/little test failed

fi

else

# if cross compiling, cannot launch a program, so make a static guess

case "$cpu" in

  armv4b|hppa|m68k|mips|mips64|ppc|ppc64|s390|s390x|sparc|sparc64)

    bigendian=yes

  ;;

esac

fi

# host long bits test

hostlongbits="32"

case "$cpu" in

  x86_64|alpha|ia64|sparc64|ppc64|s390x)

    hostlongbits=64

  ;;

esac

##########################################

# NPTL probe

if test "$nptl" != "no" ; then

  cat > $TMPC <<EOF

#include <sched.h>

#include <linux/futex.h>

void foo()

{

#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)

#error bork

#endif

}

EOF

  if compile_object ; then

    nptl=yes

  else

    if test "$nptl" = "yes" ; then

      feature_not_found "nptl"

    fi

    nptl=no

  fi

fi

##########################################

# zlib check

cat > $TMPC << EOF

#include <zlib.h>

int main(void) { zlibVersion(); return 0; }

EOF

if compile_prog "" "-lz" ; then

    :

else

    echo

    echo "Error: zlib check failed"

    echo "Make sure to have the zlib libs and headers installed."

    echo

    exit 1

fi

##########################################

# xen probe

if test "$xen" != "no" ; then

  xen_libs="-lxenstore -lxenctrl -lxenguest"

  cat > $TMPC <<EOF

#include <xenctrl.h>

#include <xs.h>

int main(void) { xs_daemon_open(); xc_interface_open(); return 0; }

EOF

  if compile_prog "" "$xen_libs" ; then

    xen=yes

    libs_softmmu="$xen_libs $libs_softmmu"

  else

    if test "$xen" = "yes" ; then

      feature_not_found "xen"

    fi

    xen=no

  fi

fi

##########################################

# pkgconfig probe

pkgconfig="${cross_prefix}pkg-config"

if ! has $pkgconfig; then

  # likely not cross compiling, or hope for the best

  pkgconfig=pkg-config

fi

##########################################

# Sparse probe

if test "$sparse" != "no" ; then

  if has cgcc; then

    sparse=yes

  else

    if test "$sparse" = "yes" ; then

      feature_not_found "sparse"

    fi

    sparse=no

  fi

fi

##########################################

# SDL probe

# Look for sdl configuration program (pkg-config or sdl-config).

# Prefer variant with cross prefix if cross compiling,

# and favour pkg-config with sdl over sdl-config.

if test -n "$cross_prefix" -a $pkgconfig != pkg-config && \

     $pkgconfig sdl --modversion >/dev/null 2>&1; then

  sdlconfig="$pkgconfig sdl"

  _sdlversion=`$sdlconfig --modversion 2>/dev/null | sed 's/[^0-9]//g'`

elif test -n "$cross_prefix" && has ${cross_prefix}sdl-config; then

  sdlconfig="${cross_prefix}sdl-config"

  _sdlversion=`$sdlconfig --version | sed 's/[^0-9]//g'`

elif $pkgconfig sdl --modversion >/dev/null 2>&1; then

  sdlconfig="$pkgconfig sdl"

  _sdlversion=`$sdlconfig --modversion 2>/dev/null | sed 's/[^0-9]//g'`

elif has sdl-config; then

  sdlconfig='sdl-config'

  _sdlversion=`$sdlconfig --version | sed 's/[^0-9]//g'`

else

  if test "$sdl" = "yes" ; then

    feature_not_found "sdl"

  fi

  sdl=no

fi

sdl_too_old=no

if test "$sdl" != "no" ; then

  cat > $TMPC << EOF

#include <SDL.h>

#undef main /* We don't want SDL to override our main() */

int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }

EOF

  sdl_cflags=`$sdlconfig --cflags 2> /dev/null`

  if test "$static" = "yes" ; then

    sdl_libs=`$sdlconfig --static-libs 2>/dev/null`

  else

    sdl_libs=`$sdlconfig --libs 2> /dev/null`

  fi

  if compile_prog "$sdl_cflags" "$sdl_libs" ; then

    if test "$_sdlversion" -lt 121 ; then

      sdl_too_old=yes

    else

      if test "$cocoa" = "no" ; then

        sdl=yes

      fi

    fi

    # static link with sdl ? (note: sdl.pc's --static --libs is broken)

    if test "$sdl" = "yes" -a "$static" = "yes" ; then

      if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then

         sdl_libs="$sdl_libs `aalib-config --static-libs 2>/dev/null`"

         sdl_cflags="$sdl_cflags `aalib-config --cflags 2>/dev/null`"

      fi

      if compile_prog "$sdl_cflags" "$sdl_libs" ; then

	:

      else

        sdl=no

      fi

    fi # static link

  else # sdl not found

    if test "$sdl" = "yes" ; then

      feature_not_found "sdl"

    fi

    sdl=no

  fi # sdl compile test

fi

if test "$sdl" = "yes" ; then

  cat > $TMPC <<EOF

#include <SDL.h>

#if defined(SDL_VIDEO_DRIVER_X11)

#include <X11/XKBlib.h>

#else

#error No x11 support

#endif

int main(void) { return 0; }

EOF

  if compile_prog "$sdl_cflags" "$sdl_libs" ; then

    sdl_libs="$sdl_libs -lX11"

  fi

  if test "$mingw32" = "yes" ; then

    sdl_libs="`echo $sdl_libs | sed s/-mwindows//g` -mconsole"

  fi

  libs_softmmu="$sdl_libs $libs_softmmu"

fi

##########################################

# VNC TLS detection

if test "$vnc_tls" != "no" ; then

  cat > $TMPC <<EOF

#include <gnutls/gnutls.h>

int main(void) { gnutls_session_t s; gnutls_init(&s, GNUTLS_SERVER); return 0; }

EOF

  vnc_tls_cflags=`$pkgconfig --cflags gnutls 2> /dev/null`

  vnc_tls_libs=`$pkgconfig --libs gnutls 2> /dev/null`

  if compile_prog "$vnc_tls_cflags" "$vnc_tls_libs" ; then

    vnc_tls=yes

    libs_softmmu="$vnc_tls_libs $libs_softmmu"

  else

    if test "$vnc_tls" = "yes" ; then

      feature_not_found "vnc-tls"

    fi

    vnc_tls=no

  fi

fi

##########################################

# VNC SASL detection

if test "$vnc_sasl" != "no" ; then

  cat > $TMPC <<EOF

#include <sasl/sasl.h>

#include <stdio.h>

int main(void) { sasl_server_init(NULL, "qemu"); return 0; }

EOF

  # Assuming Cyrus-SASL installed in /usr prefix

  vnc_sasl_cflags=""

  vnc_sasl_libs="-lsasl2"

  if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then

    vnc_sasl=yes

    libs_softmmu="$vnc_sasl_libs $libs_softmmu"

  else

    if test "$vnc_sasl" = "yes" ; then

      feature_not_found "vnc-sasl"

    fi

    vnc_sasl=no

  fi

fi

##########################################

# fnmatch() probe, used for ACL routines

fnmatch="no"

cat > $TMPC << EOF

#include <fnmatch.h>

int main(void)

{

    fnmatch("foo", "foo", 0);

    return 0;

}

EOF

if compile_prog "" "" ; then

   fnmatch="yes"

fi

##########################################

# uuid_generate() probe, used for vdi block driver

if test "$uuid" != "no" ; then

  uuid_libs="-luuid"

  cat > $TMPC << EOF

#include <uuid/uuid.h>

int main(void)

{

    uuid_t my_uuid;

    uuid_generate(my_uuid);

    return 0;

}

EOF

  if compile_prog "" "$uuid_libs" ; then

    uuid="yes"

    libs_softmmu="$uuid_libs $libs_softmmu"

    libs_tools="$uuid_libs $libs_tools"

  else

    if test "$uuid" = "yes" ; then

      feature_not_found "uuid"

    fi

    uuid=no

  fi

fi

##########################################

# vde libraries probe

if test "$vde" != "no" ; then

  vde_libs="-lvdeplug"

  cat > $TMPC << EOF

#include <libvdeplug.h>

int main(void)

{

    struct vde_open_args a = {0, 0, 0};

    vde_open("", "", &a);

    return 0;

}

EOF

  if compile_prog "" "$vde_libs" ; then

    vde=yes

    libs_softmmu="$vde_libs $libs_softmmu"

    libs_tools="$vde_libs $libs_tools"

  else

    if test "$vde" = "yes" ; then

      feature_not_found "vde"

    fi

    vde=no

  fi

fi

##########################################

# Sound support libraries probe

audio_drv_probe()

{

    drv=$1

    hdr=$2

    lib=$3

    exp=$4

    cfl=$5

        cat > $TMPC << EOF

#include <$hdr>

int main(void) { $exp }

EOF

    if compile_prog "$cfl" "$lib" ; then

        :

    else

        echo

        echo "Error: $drv check failed"

        echo "Make sure to have the $drv libs and headers installed."

        echo

        exit 1

    fi

}

audio_drv_list=`echo "$audio_drv_list" | sed -e 's/,/ /g'`

for drv in $audio_drv_list; do

    case $drv in

    alsa)

    audio_drv_probe $drv alsa/asoundlib.h -lasound \

        "snd_pcm_t **handle; return snd_pcm_close(*handle);"

    libs_softmmu="-lasound $libs_softmmu"

    ;;

    fmod)

    if test -z $fmod_lib || test -z $fmod_inc; then

        echo

        echo "Error: You must specify path to FMOD library and headers"

        echo "Example: --fmod-inc=/path/include/fmod --fmod-lib=/path/lib/libfmod-3.74.so"

        echo

        exit 1

    fi

    audio_drv_probe $drv fmod.h $fmod_lib "return FSOUND_GetVersion();" "-I $fmod_inc"

    libs_softmmu="$fmod_lib $libs_softmmu"

    ;;

    esd)

    audio_drv_probe $drv esd.h -lesd 'return esd_play_stream(0, 0, "", 0);'

    libs_softmmu="-lesd $libs_softmmu"

    audio_pt_int="yes"

    ;;

    pa)

    audio_drv_probe $drv pulse/simple.h "-lpulse-simple -lpulse" \

        "pa_simple *s = NULL; pa_simple_free(s); return 0;"

    libs_softmmu="-lpulse -lpulse-simple $libs_softmmu"

    audio_pt_int="yes"

    ;;

    coreaudio)

      libs_softmmu="-framework CoreAudio $libs_softmmu"

    ;;

    dsound)

      libs_softmmu="-lole32 -ldxguid $libs_softmmu"

      audio_win_int="yes"

    ;;

    oss)

      libs_softmmu="$oss_lib $libs_softmmu"

    ;;

    sdl|wav)

    # XXX: Probes for CoreAudio, DirectSound, SDL(?)

    ;;

    winwave)

      libs_softmmu="-lwinmm $libs_softmmu"

      audio_win_int="yes"

    ;;

    *)

    echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {

        echo

        echo "Error: Unknown driver '$drv' selected"

        echo "Possible drivers are: $audio_possible_drivers"

        echo

        exit 1

    }

    ;;

    esac

done

##########################################

# BrlAPI probe

if test "$brlapi" != "no" ; then

  brlapi_libs="-lbrlapi"

  cat > $TMPC << EOF

#include <brlapi.h>

int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }

EOF

  if compile_prog "" "$brlapi_libs" ; then

    brlapi=yes

    libs_softmmu="$brlapi_libs $libs_softmmu"

  else

    if test "$brlapi" = "yes" ; then

      feature_not_found "brlapi"

    fi

    brlapi=no

  fi

fi

##########################################

# curses probe

curses_list="-lncurses -lcurses"

if test "$curses" != "no" ; then

  curses_found=no

  cat > $TMPC << EOF

#include <curses.h>

#ifdef __OpenBSD__

#define resize_term resizeterm

#endif

int main(void) { resize_term(0, 0); return curses_version(); }

EOF

  for curses_lib in $curses_list; do

    if compile_prog "" "$curses_lib" ; then

      curses_found=yes

      libs_softmmu="$curses_lib $libs_softmmu"

      break

    fi

  done

  if test "$curses_found" = "yes" ; then

    curses=yes

  else

    if test "$curses" = "yes" ; then

      feature_not_found "curses"

    fi

    curses=no

  fi

fi

##########################################

# curl probe

if $pkgconfig libcurl --modversion >/dev/null 2>&1; then

  curlconfig="$pkgconfig libcurl"

else

  curlconfig=curl-config

fi

if test "$curl" != "no" ; then

  cat > $TMPC << EOF

#include <curl/curl.h>

int main(void) { return curl_easy_init(); }

EOF

  curl_cflags=`$curlconfig --cflags 2>/dev/null`

  curl_libs=`$curlconfig --libs 2>/dev/null`

  if compile_prog "$curl_cflags" "$curl_libs" ; then

    curl=yes

    libs_tools="$curl_libs $libs_tools"

    libs_softmmu="$curl_libs $libs_softmmu"

  else

    if test "$curl" = "yes" ; then

      feature_not_found "curl"

    fi

    curl=no

  fi

fi # test "$curl"

##########################################

# check framework probe

if test "$check_utests" != "no" ; then

  cat > $TMPC << EOF

#include <check.h>

int main(void) { suite_create("qemu test"); return 0; }

EOF

  check_libs=`$pkgconfig --libs check`

  if compile_prog "" $check_libs ; then

    check_utests=yes

    libs_tools="$check_libs $libs_tools"

  else

    if test "$check_utests" = "yes" ; then

      feature_not_found "check"

    fi

    check_utests=no

  fi

fi # test "$check_utests"

##########################################

# bluez support probe

if test "$bluez" != "no" ; then

  cat > $TMPC << EOF

#include <bluetooth/bluetooth.h>

int main(void) { return bt_error(0); }

EOF

  bluez_cflags=`$pkgconfig --cflags bluez 2> /dev/null`

  bluez_libs=`$pkgconfig --libs bluez 2> /dev/null`

  if compile_prog "$bluez_cflags" "$bluez_libs" ; then

    bluez=yes

    libs_softmmu="$bluez_libs $libs_softmmu"

  else

    if test "$bluez" = "yes" ; then

      feature_not_found "bluez"

    fi

    bluez="no"

  fi

fi

##########################################

# kvm probe

if test "$kvm" != "no" ; then

    cat > $TMPC <<EOF

#include <linux/kvm.h>

#if !defined(KVM_API_VERSION) || KVM_API_VERSION < 12 || KVM_API_VERSION > 12

#error Invalid KVM version

#endif

#if !defined(KVM_CAP_USER_MEMORY)

#error Missing KVM capability KVM_CAP_USER_MEMORY

#endif

#if !defined(KVM_CAP_SET_TSS_ADDR)

#error Missing KVM capability KVM_CAP_SET_TSS_ADDR

#endif

#if !defined(KVM_CAP_DESTROY_MEMORY_REGION_WORKS)

#error Missing KVM capability KVM_CAP_DESTROY_MEMORY_REGION_WORKS

#endif

int main(void) { return 0; }

EOF

  if test "$kerneldir" != "" ; then

      kvm_cflags=-I"$kerneldir"/include

      if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) \

         -a -d "$kerneldir/arch/x86/include" ; then

            kvm_cflags="$kvm_cflags -I$kerneldir/arch/x86/include"

	elif test "$cpu" = "ppc" -a -d "$kerneldir/arch/powerpc/include" ; then

	    kvm_cflags="$kvm_cflags -I$kerneldir/arch/powerpc/include"

	elif test "$cpu" = "s390x" -a -d "$kerneldir/arch/s390/include" ; then

	    kvm_cflags="$kvm_cflags -I$kerneldir/arch/s390/include"

        elif test -d "$kerneldir/arch/$cpu/include" ; then

            kvm_cflags="$kvm_cflags -I$kerneldir/arch/$cpu/include"

      fi

  else

    kvm_cflags=`$pkgconfig --cflags kvm-kmod 2>/dev/null`

  fi

  if compile_prog "$kvm_cflags" "" ; then

    kvm=yes

    cat > $TMPC <<EOF

#include <linux/kvm_para.h>

int main(void) { return 0; }

EOF

    if compile_prog "$kvm_cflags" "" ; then

      kvm_para=yes

    fi

  else

    if test "$kvm" = "yes" ; then

      if has awk && has grep; then

        kvmerr=`LANG=C $cc $QEMU_CFLAGS -o $TMPE $kvm_cflags $TMPC 2>&1 \

	| grep "error: " \

	| awk -F "error: " '{if (NR>1) printf(", "); printf("%s",$2);}'`

        if test "$kvmerr" != "" ; then

          echo -e "${kvmerr}\n\

      NOTE: To enable KVM support, update your kernel to 2.6.29+ or install \

  recent kvm-kmod from http://sourceforge.net/projects/kvm."

        fi

      fi

      feature_not_found "kvm"

    fi

    kvm=no

  fi

fi

##########################################

# test for vhost net

if test "$vhost_net" != "no"; then