[mirror_qemu.git] / configure

#!/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}-$$-${RANDOM}"
TMPS="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.S"
TMPI="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.i"
TMPSDLLOG="${TMPDIR1}/qemu-conf-sdl-$$-${RANDOM}.log"

trap "rm -f $TMPC $TMPO $TMPE $TMPS $TMPI $TMPSDLLOG; exit" 0 2 3 15

# default parameters
prefix=""
interp_prefix="/usr/gnemul/qemu-%M"
static="no"
cross_prefix=""
cc="gcc"
gcc3_search="yes"
gcc3_list="gcc-3.4.6 gcc-3.4 gcc34 gcc-3.3.6 gcc-3.3 gcc33 gcc-3.2 gcc32"
audio_drv_list=""
audio_card_list=""
host_cc="gcc"
ar="ar"
make="make"
install="install"
strip="strip"
cpu=`test $(uname -s) = AIX && uname -p || uname -m`
target_list=""
case "$cpu" in
  i386|i486|i586|i686|i86pc|BePC)
    cpu="i386"
  ;;
  x86_64|amd64)
    cpu="x86_64"
  ;;
  alpha)
    cpu="alpha"
  ;;
  armv*b)
    cpu="armv4b"
  ;;
  armv*l)
    cpu="armv4l"
  ;;
  cris)
    cpu="cris"
  ;;
  parisc|parisc64)
    cpu="hppa"
  ;;
  ia64)
    cpu="ia64"
  ;;
  m68k)
    cpu="m68k"
  ;;
  mips)
    cpu="mips"
  ;;
  mips64)
    cpu="mips64"
  ;;
  "Power Macintosh"|ppc|ppc64|powerpc)
    cpu="powerpc"
  ;;
  s390*)
    cpu="s390"
  ;;
  sparc|sun4[cdmuv])
    cpu="sparc"
  ;;
  sparc64)
    cpu="sparc64"
  ;;
  *)
    cpu="unknown"
  ;;
esac
gprof="no"
sparse="no"
bigendian="no"
mingw32="no"
EXESUF=""
gdbstub="yes"
slirp="yes"
vde="yes"
fmod_lib=""
fmod_inc=""
oss_lib=""
vnc_tls="yes"
bsd="no"
linux="no"
solaris="no"
kqemu="no"
profiler="no"
cocoa="no"
check_gfx="yes"
check_gcc="yes"
softmmu="yes"
linux_user="no"
darwin_user="no"
bsd_user="no"
build_docs="no"
uname_release=""
curses="yes"
aio="yes"
nptl="yes"
mixemu="no"
bluez="yes"
kvm="yes"
kerneldir=""
aix="no"
blobs="yes"

# OS specific
targetos=`uname -s`
case $targetos in
CYGWIN*)
mingw32="yes"
OS_CFLAGS="-mno-cygwin"
if [ "$cpu" = "i386" ] ; then
    kqemu="yes"
fi
audio_possible_drivers="sdl"
;;
MINGW32*)
mingw32="yes"
if [ "$cpu" = "i386" ] ; then
    kqemu="yes"
fi
audio_possible_drivers="dsound sdl fmod"
;;
GNU/kFreeBSD)
audio_drv_list="oss"
audio_possible_drivers="oss sdl esd pa"
if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
    kqemu="yes"
fi
;;
FreeBSD)
bsd="yes"
audio_drv_list="oss"
audio_possible_drivers="oss sdl esd pa"
aio_lib="-lpthread"
if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
    kqemu="yes"
fi
;;
NetBSD)
bsd="yes"
audio_drv_list="oss"
audio_possible_drivers="oss sdl esd"
oss_lib="-lossaudio"
aio_lib="-lrt -lpthread"
;;
OpenBSD)
bsd="yes"
openbsd="yes"
audio_drv_list="oss"
audio_possible_drivers="oss sdl esd"
oss_lib="-lossaudio"
aio_lib="-lpthread"
;;
Darwin)
bsd="yes"
darwin="yes"
darwin_user="yes"
cocoa="yes"
audio_drv_list="coreaudio"
audio_possible_drivers="coreaudio sdl fmod"
OS_CFLAGS="-mdynamic-no-pic"
OS_LDFLAGS="-framework CoreFoundation -framework IOKit"
aio_lib="-lpthread"
;;
SunOS)
    solaris="yes"
    make="gmake"
    install="ginstall"
    needs_libsunmath="no"
    solarisrev=`uname -r | cut -f2 -d.`
    # have to select again, because `uname -m` returns i86pc
    # even on an x86_64 box.
    solariscpu=`isainfo -k`
    if test "${solariscpu}" = "amd64" ; then
        cpu="x86_64"
    fi
    if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
        if test "$solarisrev" -le 9 ; then
            if test -f /opt/SUNWspro/prod/lib/libsunmath.so.1; then
                needs_libsunmath="yes"
            else
                echo "QEMU will not link correctly on Solaris 8/X86 or 9/x86 without"
                echo "libsunmath from the Sun Studio compilers tools, due to a lack of"
                echo "C99 math features in libm.so in Solaris 8/x86 and Solaris 9/x86"
                echo "Studio 11 can be downloaded from www.sun.com."
                exit 1
            fi
        fi
        if test "$solarisrev" -ge 9 ; then
            kqemu="yes"
        fi
    fi
    if test -f /usr/include/sys/soundcard.h ; then
        audio_drv_list="oss"
    fi
    audio_possible_drivers="oss sdl"
;;
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
    kqemu="yes"
    audio_possible_drivers="$audio_possible_drivers fmod"
fi
;;
esac

if [ "$bsd" = "yes" ] ; then
  if [ "$darwin" != "yes" ] ; then
    make="gmake"
    usb="bsd"
  fi
  bsd_user="yes"
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="no"
# generate compile errors on warnings for development builds
#if grep cvs $source_path/VERSION > /dev/null 2>&1 ; then
#werror="yes";
#fi

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=*) cross_prefix="$optarg"
  ;;
  --cc=*) cc="$optarg"
  gcc3_search="no"
  ;;
  --host-cc=*) host_cc="$optarg"
  ;;
  --make=*) make="$optarg"
  ;;
  --install=*) install="$optarg"
  ;;
  --extra-cflags=*) CFLAGS="$optarg"
  ;;
  --extra-ldflags=*) LDFLAGS="$optarg"
  ;;
  --cpu=*) cpu="$optarg"
  ;;
  --target-list=*) target_list="$optarg"
  ;;
  --enable-gprof) gprof="yes"
  ;;
  --static) static="yes"
  ;;
  --disable-sdl) sdl="no"
  ;;
  --fmod-lib=*) fmod_lib="$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"
  ;;
  --enable-sparse) sparse="yes"
  ;;
  --disable-sparse) sparse="no"
  ;;
  --disable-vnc-tls) vnc_tls="no"
  ;;
  --disable-slirp) slirp="no"
  ;;
  --disable-vde) vde="no"
  ;;
  --disable-kqemu) kqemu="no"
  ;;
  --disable-brlapi) brlapi="no"
  ;;
  --disable-bluez) bluez="no"
  ;;
  --disable-kvm) kvm="no"
  ;;
  --enable-profiler) profiler="yes"
  ;;
  --enable-cocoa)
      cocoa="yes" ;
      sdl="no" ;
      audio_drv_list="coreaudio `echo $audio_drv_list | sed s,coreaudio,,g`"
  ;;
  --disable-gfx-check) check_gfx="no"
  ;;
  --disable-gcc-check) check_gcc="no"
  ;;
  --disable-system) softmmu="no"
  ;;
  --enable-system) softmmu="yes"
  ;;
  --disable-linux-user) linux_user="no"
  ;;
  --enable-linux-user) linux_user="yes"
  ;;
  --disable-darwin-user) darwin_user="no"
  ;;
  --enable-darwin-user) darwin_user="yes"
  ;;
  --disable-bsd-user) bsd_user="no"
  ;;
  --enable-bsd-user) bsd_user="yes"
  ;;
  --enable-uname-release=*) uname_release="$optarg"
  ;;
  --sparc_cpu=*)
      sparc_cpu="$optarg"
      case $sparc_cpu in
        v7|v8) SP_CFLAGS="-m32 -mcpu=${sparc_cpu} -D__sparc_${sparc_cpu}__"; SP_LDFLAGS="-m32"
                 target_cpu="sparc"; cpu="sparc" ;;
        v8plus|v8plusa) SP_CFLAGS="-m32 -mcpu=ultrasparc -D__sparc_${sparc_cpu}__"; SP_LDFLAGS="-m32"
                 target_cpu="sparc"; cpu="sparc" ;;
        v9)    SP_CFLAGS="-m64 -mcpu=ultrasparc -D__sparc_${sparc_cpu}__"; SP_LDFLAGS="-m64"
                 target_cpu="sparc64"; cpu="sparc64" ;;
        *)     echo "undefined SPARC architecture. Exiting";exit 1;;
      esac
  ;;
  --enable-werror) werror="yes"
  ;;
  --disable-werror) werror="no"
  ;;
  --disable-curses) curses="no"
  ;;
  --disable-nptl) nptl="no"
  ;;
  --enable-mixemu) mixemu="yes"
  ;;
  --disable-aio) aio="no"
  ;;
  --disable-blobs) blobs="no"
  ;;
  --kerneldir=*) kerneldir="$optarg"
  ;;
  *) echo "ERROR: unknown option $opt"; show_help="yes"
  ;;
  esac
done

# default flags for all hosts
CFLAGS="$CFLAGS -O2 -g -fno-strict-aliasing"
CFLAGS="$CFLAGS -Wall -Wundef -Wendif-labels -Wwrite-strings"
LDFLAGS="$LDFLAGS -g"
if test "$werror" = "yes" ; then
CFLAGS="$CFLAGS -Werror"
fi

if test "$solaris" = "no" ; then
    if ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
        LDFLAGS="$LDFLAGS -Wl,--warn-common"
    fi
fi

#
# If cpu ~= sparc and  sparc_cpu hasn't been defined, plug in the right
# ARCH_CFLAGS/ARCH_LDFLAGS (assume sparc_v8plus for 32-bit and sparc_v9 for 64-bit)
#
case "$cpu" in
    sparc) if test -z "$sparc_cpu" ; then
               ARCH_CFLAGS="-m32 -mcpu=ultrasparc -D__sparc_v8plus__"
               ARCH_LDFLAGS="-m32"
           else
               ARCH_CFLAGS="${SP_CFLAGS}"
               ARCH_LDFLAGS="${SP_LDFLAGS}"
           fi
           ;;
    sparc64) if test -z "$sparc_cpu" ; then
               ARCH_CFLAGS="-m64 -mcpu=ultrasparc -D__sparc_v9__"
               ARCH_LDFLAGS="-m64"
           else
               ARCH_CFLAGS="${SP_CFLAGS}"
               ARCH_LDFLAGS="${SP_LDFLAGS}"
           fi
           ;;
    s390)
           ARCH_CFLAGS="-march=z900"
           ;;
    i386)
           ARCH_CFLAGS="-m32"
           ARCH_LDFLAGS="-m32"
           ;;
    x86_64)
           ARCH_CFLAGS="-m64"
           ARCH_LDFLAGS="-m64"
           ;;
esac

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 [$target_list]"
echo ""
echo "kqemu kernel acceleration support:"
echo "  --disable-kqemu          disable kqemu support"
echo ""
echo "Advanced options (experts only):"
echo "  --source-path=PATH       path of source code [$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 [$host_cc] for dyngen etc."
echo "  --make=MAKE              use specified make [$make]"
echo "  --install=INSTALL        use specified install [$install]"
echo "  --static                 enable static build [$static]"
echo "  --enable-sparse          enable sparse checker"
echo "  --disable-sparse         disable sparse checker (default)"
echo "  --disable-werror         disable compilation abort on warning"
echo "  --disable-sdl            disable 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 additional emulated audio cards"
echo "                           Available cards: ac97 adlib cs4231a gus"
echo "  --enable-mixemu          enable mixer emulation"
echo "  --disable-brlapi         disable BrlAPI"
echo "  --disable-vnc-tls        disable TLS encryption for VNC server"
echo "  --disable-curses         disable curses output"
echo "  --disable-bluez          disable bluez stack connectivity"
echo "  --disable-kvm            disable KVM acceleration support"
echo "  --disable-nptl           disable usermode NPTL support"
echo "  --enable-system          enable all system emulation targets"
echo "  --disable-system         disable all system 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 "  --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-vde            disable support for vde network"
echo "  --disable-aio            disable AIO support"
echo "  --disable-blobs          disable installing provided firmware blobs"
echo "  --kerneldir=PATH         look for kernel includes in PATH"
echo ""
echo "NOTE: The object files are built at the place where configure is launched"
exit 1
fi

cc="${cross_prefix}${cc}"
ar="${cross_prefix}${ar}"
strip="${cross_prefix}${strip}"

# check that the C compiler works.
cat > $TMPC <<EOF
int main(void) {}
EOF

if $cc $ARCH_CFLAGS -c -o $TMPO $TMPC 2> /dev/null ; then
  : C compiler works ok
else
    echo "ERROR: \"$cc\" either does not exist or does not work"
    exit 1
fi

# check compiler to see if we're on mingw32
cat > $TMPC <<EOF
#include <windows.h>
#ifndef _WIN32
#error not windows
#endif
int main(void) {}
EOF

if $cc $ARCH_CFLAGS -c -o $TMPO $TMPC 2> /dev/null ; then
    mingw32="yes"
fi

if test "$mingw32" = "yes" ; then
    linux="no"
    EXESUF=".exe"
    oss="no"
    linux_user="no"
    bsd_user="no"
fi

if [ "$darwin" = "yes" -o "$mingw32" = "yes" ] ; then
    AIOLIBS=
elif [ "$bsd" = "yes" ]; then
    AIOLIBS="$aio_lib"
else
    # Some Linux architectures (e.g. s390) don't imply -lpthread automatically.
    AIOLIBS="-lrt -lpthread"
fi

# Check for gcc4, error if pre-gcc4
if test "$check_gcc" = "yes" ; then
    cat > $TMPC <<EOF
#if __GNUC__ < 4
#error gcc3
#endif
int main(){return 0;}
EOF
    if "$cc" $ARCH_CFLAGS -o $TMPE $TMPC 2> /dev/null ; then
	echo "WARNING: \"$cc\" looks like gcc 4.x"
	found_compat_cc="no"
	if test "$gcc3_search" = "yes" ; then
	    echo "Looking for gcc 3.x"
	    for compat_cc in $gcc3_list ; do
		if "$cross_prefix$compat_cc" --version 2> /dev/null | fgrep '(GCC) 3.' > /dev/null 2>&1 ; then
		    echo "Found \"$compat_cc\""
		    cc="$cross_prefix$compat_cc"
		    found_compat_cc="yes"
		    break
		fi
	    done
	    if test "$found_compat_cc" = "no" ; then
		echo "gcc 3.x not found!"
	    fi
	fi
	if test "$found_compat_cc" = "no" ; then
	    echo "QEMU is known to have problems when compiled with gcc 4.x"
	    echo "It is recommended that you use gcc 3.x to build QEMU"
	    echo "To use this compiler anyway, configure with --disable-gcc-check"
	    exit 1;
	fi
    fi
fi

if test ! -x "$(which cgcc 2>/dev/null)"; then
    sparse="no"
fi

#
# Solaris specific configure tool chain decisions
#
if test "$solaris" = "yes" ; then
  #
  # gcc for solaris 10/fcs in /usr/sfw/bin doesn't compile qemu correctly
  # override the check with --disable-gcc-check
  #
  if test "$solarisrev" -eq 10 -a "$check_gcc" = "yes" ; then
    solgcc=`which $cc`
    if test "$solgcc" = "/usr/sfw/bin/gcc" ; then
      echo "Solaris 10/FCS gcc in /usr/sfw/bin will not compiled qemu correctly."
      echo "please get gcc-3.4.3 or later, from www.blastwave.org using pkg-get -i gcc3"
      echo "or get the latest patch from SunSolve for gcc"
      exit 1
    fi
  fi
  solinst=`which $install 2> /dev/null | /usr/bin/grep -v "no $install in"`
  if test -z "$solinst" ; then
    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 "$solinst" = "/usr/sbin/install" ; then
    echo "Error: Solaris /usr/sbin/install is not an appropriate install program."
    echo "try ginstall from the GNU fileutils available from www.blastwave.org"
    echo "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
    exit 1
  fi
  sol_ar=`which ar 2> /dev/null | /usr/bin/grep -v "no ar in"`
  if test -z "$sol_ar" ; then
    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 \
mips-softmmu \
mipsel-softmmu \
mips64-softmmu \
mips64el-softmmu \
ppc-softmmu \
ppcemb-softmmu \
ppc64-softmmu \
sh4-softmmu \
sh4eb-softmmu \
sparc-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 \
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}\
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

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 $cc $ARCH_CFLAGS -o $TMPE $TMPC 2> /dev/null ; then
$TMPE && bigendian="yes"
else
echo big/little test failed
fi

else

# if cross compiling, cannot launch a program, so make a static guess
if test "$cpu" = "armv4b" \
     -o "$cpu" = "hppa" \
     -o "$cpu" = "m68k" \
     -o "$cpu" = "mips" \
     -o "$cpu" = "mips64" \
     -o "$cpu" = "powerpc" \
     -o "$cpu" = "s390" \
     -o "$cpu" = "sparc" \
     -o "$cpu" = "sparc64"; then
    bigendian="yes"
fi

fi

# host long bits test
hostlongbits="32"
if test "$cpu" = "x86_64" \
     -o "$cpu" = "alpha" \
     -o "$cpu" = "ia64" \
     -o "$cpu" = "sparc64"; then
    hostlongbits="64"
fi

# ppc specific hostlongbits selection
if test "$cpu" = "powerpc" ; then
    if $cc $ARCH_CFLAGS -dM -E - -o $TMPI 2>/dev/null </dev/null; then
        grep -q __powerpc64__ $TMPI && hostlongbits=64
    else
        echo hostlongbits test failed
        exit 1
    fi
fi

# check gcc options support
cat > $TMPC <<EOF
int main(void) {
}
EOF

# Check host NPTL support
cat > $TMPC <<EOF
#include <sched.h>
#include <linux/futex.h>
void foo()
{
#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
#error bork
#endif
}
EOF

if $cc $ARCH_CFLAGS -c -o $TMPO $TMPC 2> /dev/null ; then
  :
else
   nptl="no"
fi

##########################################
# zlib check

cat > $TMPC << EOF
#include <zlib.h>
int main(void) { zlibVersion(); return 0; }
EOF
if $cc $ARCH_CFLAGS -o $TMPE ${OS_CFLAGS} $TMPC -lz 2> /dev/null ; then
    :
else
    echo
    echo "Error: zlib check failed"
    echo "Make sure to have the zlib libs and headers installed."
    echo
    exit 1
fi

##########################################
# SDL probe

sdl_too_old=no

if test -z "$sdl" ; then
    sdl_config="sdl-config"
    sdl=no
    sdl_static=no

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
    if $cc $ARCH_CFLAGS -o $TMPE ${OS_CFLAGS} `$sdl_config --cflags 2> /dev/null` $TMPC `$sdl_config --libs 2> /dev/null` 2> $TMPSDLLOG ; then
        _sdlversion=`$sdl_config --version | sed 's/[^0-9]//g'`
        if test "$_sdlversion" -lt 121 ; then
            sdl_too_old=yes
        else
            if test "$cocoa" = "no" ; then
                sdl=yes
            fi
        fi

        # static link with sdl ?
        if test "$sdl" = "yes" ; then
            aa="no"
            `$sdl_config --static-libs 2>/dev/null | grep \\\-laa > /dev/null` && aa="yes"
            sdl_static_libs=`$sdl_config --static-libs 2>/dev/null`
            if [ "$aa" = "yes" ] ; then
                sdl_static_libs="$sdl_static_libs `aalib-config --static-libs`"
            fi

            if $cc -o $TMPE ${OS_CFLAGS} `$sdl_config --cflags 2> /dev/null` $TMPC $sdl_static_libs 2> /dev/null; then
                sdl_static=yes
            fi
        fi # static link
    fi # sdl compile test
else
    # Make sure to disable cocoa if sdl was set
    if test "$sdl" = "yes" ; then
       cocoa="no"
       audio_drv_list="`echo $audio_drv_list | sed s,coreaudio,,g`"
    fi
fi # -z $sdl

##########################################
# VNC TLS detection
if test "$vnc_tls" = "yes" ; 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=`pkg-config --cflags gnutls 2> /dev/null`
    vnc_tls_libs=`pkg-config --libs gnutls 2> /dev/null`
    if $cc $ARCH_CFLAGS -o $TMPE ${OS_CFLAGS} $vnc_tls_cflags $TMPC \
           $vnc_tls_libs 2> /dev/null ; then
	:
    else
	vnc_tls="no"
    fi
fi

##########################################
# vde libraries probe
if test "$vde" = "yes" ; then
  cat > $TMPC << EOF
#include <libvdeplug.h>
int main(void)
{
    struct vde_open_args a = {0, 0, 0};
    vde_open("", "", &a);
    return 0;
}
EOF
    if $cc $ARCH_CFLAGS -o $TMPE $TMPC -lvdeplug 2> /dev/null ; then
        :
    else
        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 $cc $ARCH_CFLAGS $cfl -o $TMPE $TMPC $lib 2> /dev/null ; 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);"
    ;;

    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"
    ;;

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

    pa)
    audio_drv_probe $drv pulse/simple.h -lpulse-simple \
        "pa_simple *s = NULL; pa_simple_free(s); return 0;"
    ;;

    oss|sdl|core|wav|dsound)
    # XXX: Probes for CoreAudio, DirectSound, SDL(?)
    ;;

    *)
    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 -z "$brlapi" ; then
    brlapi=no
cat > $TMPC << EOF
#include <brlapi.h>
int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
EOF
    if $cc ${ARCH_CFLAGS} -o $TMPE ${OS_CFLAGS} $TMPC -lbrlapi 2> /dev/null ; then
	    brlapi=yes
    fi # brlapi compile test
fi # -z $brlapi

##########################################
# curses probe

if test "$curses" = "yes" ; then
  curses=no
  cat > $TMPC << EOF
#include <curses.h>
int main(void) { return curses_version(); }
EOF
  if $cc $ARCH_CFLAGS -o $TMPE $TMPC -lcurses 2> /dev/null ; then
    curses=yes
  fi
fi # test "$curses"

##########################################
# bluez support probe
if test "$bluez" = "yes" ; then
  `pkg-config bluez` || bluez="no"
fi
if test "$bluez" = "yes" ; then
  cat > $TMPC << EOF
#include <bluetooth/bluetooth.h>
int main(void) { return bt_error(0); }
EOF
  bluez_cflags=`pkg-config --cflags bluez`
  bluez_libs=`pkg-config --libs bluez`
  if $cc $ARCH_CFLAGS -o $TMPE ${OS_CFLAGS} $bluez_cflags $TMPC \
      $bluez_libs 2> /dev/null ; then
    :
  else
    bluez="no"
  fi
fi

##########################################
# kvm probe
if test "$kvm" = "yes" ; then
    cat > $TMPC <<EOF
#include <linux/kvm.h>
#if !defined(KVM_API_VERSION) || \
    KVM_API_VERSION < 12 || \
    KVM_API_VERSION > 12 || \
    !defined(KVM_CAP_USER_MEMORY) || \
    !defined(KVM_CAP_SET_TSS_ADDR)
#error Invalid KVM version
#endif
int main(void) { return 0; }
EOF
  if test "$kerneldir" != "" ; then
      kvm_cflags=-I"$kerneldir"/include
  else
      kvm_cflags=""
  fi
  if $cc $ARCH_CFLAGS -o $TMPE ${OS_CFLAGS} $kvm_cflags $TMPC \
      2>/dev/null ; then
    :
  else
    kvm="no"
  fi
fi

##########################################
# AIO probe
if test "$aio" = "yes" ; then
  aio=no
  cat > $TMPC << EOF
#include <aio.h>
int main(void) { return aio_write(NULL); }
EOF
  if $cc $ARCH_CFLAGS -o $TMPE $AIOLIBS $TMPC 2> /dev/null ; then
    aio=yes
  fi
fi

# Check if tools are available to build documentation.
if [ -x "`which texi2html 2>/dev/null`" ] && \
   [ -x "`which pod2man 2>/dev/null`" ]; then
  build_docs="yes"
fi

if test "$mingw32" = "yes" ; then
  if test -z "$prefix" ; then
      prefix="c:\\\\Program Files\\\\Qemu"
  fi
  mansuffix=""
  datasuffix=""
  docsuffix=""
  binsuffix=""
else
  if test -z "$prefix" ; then
      prefix="/usr/local"
  fi
  mansuffix="/share/man"
  datasuffix="/share/qemu"
  docsuffix="/share/doc/qemu"
  binsuffix="/bin"
fi

echo "Install prefix    $prefix"
echo "BIOS directory    $prefix$datasuffix"
echo "binary directory  $prefix$binsuffix"
if test "$mingw32" = "no" ; then
echo "Manual directory  $prefix$mansuffix"
echo "ELF interp prefix $interp_prefix"
fi
echo "Source path       $source_path"
echo "C compiler        $cc"
echo "Host C compiler   $host_cc"
echo "ARCH_CFLAGS       $ARCH_CFLAGS"
echo "make              $make"
echo "install           $install"
echo "host CPU          $cpu"
echo "host big endian   $bigendian"
echo "target list       $target_list"
echo "gprof enabled     $gprof"
echo "sparse enabled    $sparse"
echo "profiler          $profiler"
echo "static build      $static"
echo "-Werror enabled   $werror"
if test "$darwin" = "yes" ; then
    echo "Cocoa support     $cocoa"
fi
echo "SDL support       $sdl"
if test "$sdl" != "no" ; then
    echo "SDL static link   $sdl_static"
fi
echo "curses support    $curses"
echo "mingw32 support   $mingw32"
echo "Audio drivers     $audio_drv_list"
echo "Extra audio cards $audio_card_list"
echo "Mixer emulation   $mixemu"
echo "VNC TLS support   $vnc_tls"
if test "$vnc_tls" = "yes" ; then
    echo "    TLS CFLAGS    $vnc_tls_cflags"
    echo "    TLS LIBS      $vnc_tls_libs"
fi
if test -n "$sparc_cpu"; then
    echo "Target Sparc Arch $sparc_cpu"
fi
echo "kqemu support     $kqemu"
echo "brlapi support    $brlapi"
echo "Documentation     $build_docs"
[ ! -z "$uname_release" ] && \
echo "uname -r          $uname_release"
echo "NPTL support      $nptl"
echo "vde support       $vde"
echo "AIO support       $aio"
echo "Install blobs     $blobs"
echo "KVM support       $kvm"

if test $sdl_too_old = "yes"; then
echo "-> Your SDL version is too old - please upgrade to have SDL support"
fi
if [ -s $TMPSDLLOG ]; then
  echo "The error log from compiling the libSDL test is: "
  cat $TMPSDLLOG
fi
#if test "$sdl_static" = "no"; then
#  echo "WARNING: cannot compile statically with SDL - qemu-fast won't have a graphical output"
#fi
config_mak="config-host.mak"
config_h="config-host.h"

#echo "Creating $config_mak and $config_h"

test -f $config_h && mv $config_h ${config_h}~

echo "# Automatically generated by configure - do not modify" > $config_mak
echo "# Configured with: $0 $@" >> $config_mak
echo "/* Automatically generated by configure - do not modify */" > $config_h

echo "prefix=$prefix" >> $config_mak
echo "bindir=\${prefix}$binsuffix" >> $config_mak
echo "mandir=\${prefix}$mansuffix" >> $config_mak
echo "datadir=\${prefix}$datasuffix" >> $config_mak
echo "docdir=\${prefix}$docsuffix" >> $config_mak
echo "#define CONFIG_QEMU_SHAREDIR \"$prefix$datasuffix\"" >> $config_h
echo "MAKE=$make" >> $config_mak
echo "INSTALL=$install" >> $config_mak
echo "CC=$cc" >> $config_mak
echo "HOST_CC=$host_cc" >> $config_mak
echo "AR=$ar" >> $config_mak
echo "STRIP=$strip -s -R .comment -R .note" >> $config_mak
# XXX: only use CFLAGS and LDFLAGS ?  
# XXX: should export HOST_CFLAGS and HOST_LDFLAGS for cross
# compilation of dyngen tool (useful for win32 build on Linux host)
echo "OS_CFLAGS=$OS_CFLAGS" >> $config_mak
echo "OS_LDFLAGS=$OS_LDFLAGS" >> $config_mak
echo "ARCH_CFLAGS=$ARCH_CFLAGS" >> $config_mak
echo "ARCH_LDFLAGS=$ARCH_LDFLAGS" >> $config_mak
echo "CFLAGS=$CFLAGS" >> $config_mak
echo "LDFLAGS=$LDFLAGS" >> $config_mak
echo "EXESUF=$EXESUF" >> $config_mak
echo "AIOLIBS=$AIOLIBS" >> $config_mak
case "$cpu" in
  i386)
    echo "ARCH=i386" >> $config_mak
    echo "#define HOST_I386 1" >> $config_h
  ;;
  x86_64)
    echo "ARCH=x86_64" >> $config_mak
    echo "#define HOST_X86_64 1" >> $config_h
  ;;
  alpha)
    echo "ARCH=alpha" >> $config_mak
    echo "#define HOST_ALPHA 1" >> $config_h
  ;;
  armv4b)
    echo "ARCH=arm" >> $config_mak
    echo "#define HOST_ARM 1" >> $config_h
  ;;
  armv4l)
    echo "ARCH=arm" >> $config_mak
    echo "#define HOST_ARM 1" >> $config_h
  ;;
  cris)
    echo "ARCH=cris" >> $config_mak
    echo "#define HOST_CRIS 1" >> $config_h
  ;;
  hppa)
    echo "ARCH=hppa" >> $config_mak
    echo "#define HOST_HPPA 1" >> $config_h
  ;;
  ia64)
    echo "ARCH=ia64" >> $config_mak
    echo "#define HOST_IA64 1" >> $config_h
  ;;
  m68k)
    echo "ARCH=m68k" >> $config_mak
    echo "#define HOST_M68K 1" >> $config_h
  ;;
  mips)
    echo "ARCH=mips" >> $config_mak
    echo "#define HOST_MIPS 1" >> $config_h
  ;;
  mips64)
    echo "ARCH=mips64" >> $config_mak
    echo "#define HOST_MIPS64 1" >> $config_h
  ;;
  powerpc)
  if test "$hostlongbits" = "32"; then
      echo "ARCH=ppc" >> $config_mak
      echo "#define HOST_PPC 1" >> $config_h
  else
      echo "ARCH=ppc64" >> $config_mak
      echo "#define HOST_PPC64 1" >> $config_h
  fi
  ;;
  s390)
    echo "ARCH=s390" >> $config_mak
    echo "#define HOST_S390 1" >> $config_h
  ;;
  sparc)
    echo "ARCH=sparc" >> $config_mak
    echo "#define HOST_SPARC 1" >> $config_h
  ;;
  sparc64)
    echo "ARCH=sparc64" >> $config_mak
    echo "#define HOST_SPARC64 1" >> $config_h
  ;;
  *)
    echo "Unsupported CPU = $cpu"
    exit 1
  ;;
esac
if test "$sparse" = "yes" ; then
  echo "CC      := REAL_CC=\"\$(CC)\" cgcc"       >> $config_mak
  echo "HOST_CC := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_mak
  echo "CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_mak
fi
if test "$bigendian" = "yes" ; then
  echo "WORDS_BIGENDIAN=yes" >> $config_mak
  echo "#define WORDS_BIGENDIAN 1" >> $config_h
fi
echo "#define HOST_LONG_BITS $hostlongbits" >> $config_h
if test "$mingw32" = "yes" ; then
  echo "CONFIG_WIN32=yes" >> $config_mak
  echo "#define CONFIG_WIN32 1" >> $config_h
else
  cat > $TMPC << EOF
#include <byteswap.h>
int main(void) { return bswap_32(0); }
EOF
  if $cc $ARCH_CFLAGS -o $TMPE $TMPC 2> /dev/null ; then
    echo "#define HAVE_BYTESWAP_H 1" >> $config_h
  fi
fi

if [ "$openbsd" = "yes" ] ; then
  echo "#define ENOTSUP 4096" >> $config_h
fi

if test "$darwin" = "yes" ; then
  echo "CONFIG_DARWIN=yes" >> $config_mak
  echo "#define CONFIG_DARWIN 1" >> $config_h
fi

if test "$aix" = "yes" ; then
  echo "CONFIG_AIX=yes" >> $config_mak
  echo "#define CONFIG_AIX 1" >> $config_h
fi

if test "$solaris" = "yes" ; then
  echo "CONFIG_SOLARIS=yes" >> $config_mak
  echo "#define HOST_SOLARIS $solarisrev" >> $config_h
  if test "$needs_libsunmath" = "yes" ; then
    echo "NEEDS_LIBSUNMATH=yes" >> $config_mak
    echo "#define NEEDS_LIBSUNMATH 1" >> $config_h
  fi
fi
if test -n "$sparc_cpu"; then
  echo "CONFIG__sparc_${sparc_cpu}__=yes" >> $config_mak
  echo "#define __sparc_${sparc_cpu}__ 1" >> $config_h
fi
if test "$gdbstub" = "yes" ; then
  echo "CONFIG_GDBSTUB=yes" >> $config_mak
  echo "#define CONFIG_GDBSTUB 1" >> $config_h
fi
if test "$gprof" = "yes" ; then
  echo "TARGET_GPROF=yes" >> $config_mak
  echo "#define HAVE_GPROF 1" >> $config_h
fi
if test "$static" = "yes" ; then
  echo "CONFIG_STATIC=yes" >> $config_mak
  echo "#define CONFIG_STATIC 1" >> $config_h
fi
if test $profiler = "yes" ; then
  echo "#define CONFIG_PROFILER 1" >> $config_h
fi
if test "$slirp" = "yes" ; then
  echo "CONFIG_SLIRP=yes" >> $config_mak
  echo "#define CONFIG_SLIRP 1" >> $config_h
fi
if test "$vde" = "yes" ; then
  echo "CONFIG_VDE=yes" >> $config_mak
  echo "#define CONFIG_VDE 1" >> $config_h
  echo "VDE_LIBS=-lvdeplug" >> $config_mak
fi
for card in $audio_card_list; do
    def=CONFIG_`echo $card | tr '[:lower:]' '[:upper:]'`
    echo "$def=yes" >> $config_mak
    echo "#define $def 1" >> $config_h
done
echo "#define AUDIO_DRIVERS \\" >> $config_h
for drv in $audio_drv_list; do
    echo "    &${drv}_audio_driver, \\" >>$config_h
    def=CONFIG_`echo $drv | tr '[:lower:]' '[:upper:]'`
    echo "$def=yes" >> $config_mak
    if test "$drv" = "fmod"; then
        echo "CONFIG_FMOD_LIB=$fmod_lib" >> $config_mak
        echo "CONFIG_FMOD_INC=$fmod_inc" >> $config_mak
    elif test "$drv" = "oss"; then
        echo "CONFIG_OSS_LIB=$oss_lib" >> $config_mak
    fi
done
echo "" >>$config_h
if test "$mixemu" = "yes" ; then
  echo "CONFIG_MIXEMU=yes" >> $config_mak
  echo "#define CONFIG_MIXEMU 1" >> $config_h
fi
if test "$vnc_tls" = "yes" ; then
  echo "CONFIG_VNC_TLS=yes" >> $config_mak
  echo "CONFIG_VNC_TLS_CFLAGS=$vnc_tls_cflags" >> $config_mak
  echo "CONFIG_VNC_TLS_LIBS=$vnc_tls_libs" >> $config_mak
  echo "#define CONFIG_VNC_TLS 1" >> $config_h
fi
qemu_version=`head $source_path/VERSION`
echo "VERSION=$qemu_version" >>$config_mak
echo "#define QEMU_VERSION \"$qemu_version\"" >> $config_h

echo "SRC_PATH=$source_path" >> $config_mak
if [ "$source_path_used" = "yes" ]; then
  echo "VPATH=$source_path" >> $config_mak
fi
echo "TARGET_DIRS=$target_list" >> $config_mak
if [ "$build_docs" = "yes" ] ; then
  echo "BUILD_DOCS=yes" >> $config_mak
fi
if test "$static" = "yes"; then
  sdl1=$sdl_static
else
  sdl1=$sdl
fi
if test "$sdl1" = "yes" ; then
  echo "#define CONFIG_SDL 1" >> $config_h
  echo "CONFIG_SDL=yes" >> $config_mak
  if test "$target_softmmu" = "no" -o "$static" = "yes"; then
    echo "SDL_LIBS=$sdl_static_libs" >> $config_mak
  else
    echo "SDL_LIBS=`$sdl_config --libs`" >> $config_mak
  fi
  if [ "${aa}" = "yes" ] ; then
    echo "SDL_CFLAGS=`$sdl_config --cflags` `aalib-config --cflags`" >> $config_mak
  else
    echo "SDL_CFLAGS=`$sdl_config --cflags`" >> $config_mak
  fi
fi
if test "$cocoa" = "yes" ; then
  echo "#define CONFIG_COCOA 1" >> $config_h
  echo "CONFIG_COCOA=yes" >> $config_mak
fi
if test "$curses" = "yes" ; then
  echo "#define CONFIG_CURSES 1" >> $config_h
  echo "CONFIG_CURSES=yes" >> $config_mak
  echo "CURSES_LIBS=-lcurses" >> $config_mak
fi
if test "$brlapi" = "yes" ; then
  echo "CONFIG_BRLAPI=yes" >> $config_mak
  echo "#define CONFIG_BRLAPI 1" >> $config_h
  echo "BRLAPI_LIBS=-lbrlapi" >> $config_mak
fi
if test "$bluez" = "yes" ; then
  echo "CONFIG_BLUEZ=yes" >> $config_mak
  echo "CONFIG_BLUEZ_CFLAGS=$bluez_cflags" >> $config_mak
  echo "CONFIG_BLUEZ_LIBS=$bluez_libs" >> $config_mak
  echo "#define CONFIG_BLUEZ 1" >> $config_h
fi
if test "$aio" = "yes" ; then
  echo "#define CONFIG_AIO 1" >> $config_h
  echo "CONFIG_AIO=yes" >> $config_mak
fi
if test "$blobs" = "yes" ; then
  echo "INSTALL_BLOBS=yes" >> $config_mak
fi

# XXX: suppress that
if [ "$bsd" = "yes" ] ; then
  echo "#define O_LARGEFILE 0" >> $config_h
  echo "#define MAP_ANONYMOUS MAP_ANON" >> $config_h
  echo "#define _BSD 1" >> $config_h
fi

echo "#define CONFIG_UNAME_RELEASE \"$uname_release\"" >> $config_h

# USB host support
case "$usb" in
linux)
  echo "HOST_USB=linux" >> $config_mak
;;
bsd)
  echo "HOST_USB=bsd" >> $config_mak
;;
*)
  echo "HOST_USB=stub" >> $config_mak
;;
esac

tools=
if test `expr "$target_list" : ".*softmmu.*"` != 0 ; then
  tools="qemu-img\$(EXESUF) $tools"
  if [ "$linux" = "yes" ] ; then
      tools="qemu-nbd\$(EXESUF) $tools"
  fi
fi
echo "TOOLS=$tools" >> $config_mak

test -f ${config_h}~ && cmp -s $config_h ${config_h}~ && mv ${config_h}~ $config_h

for target in $target_list; do
target_dir="$target"
config_mak=$target_dir/config.mak
config_h=$target_dir/config.h
target_cpu=`echo $target | cut -d '-' -f 1`
target_bigendian="no"
[ "$target_cpu" = "armeb" ] && target_bigendian=yes
[ "$target_cpu" = "m68k" ] && target_bigendian=yes
[ "$target_cpu" = "mips" ] && target_bigendian=yes
[ "$target_cpu" = "mipsn32" ] && target_bigendian=yes
[ "$target_cpu" = "mips64" ] && target_bigendian=yes
[ "$target_cpu" = "ppc" ] && target_bigendian=yes
[ "$target_cpu" = "ppcemb" ] && target_bigendian=yes
[ "$target_cpu" = "ppc64" ] && target_bigendian=yes
[ "$target_cpu" = "ppc64abi32" ] && target_bigendian=yes
[ "$target_cpu" = "sh4eb" ] && target_bigendian=yes
[ "$target_cpu" = "sparc" ] && target_bigendian=yes
[ "$target_cpu" = "sparc64" ] && target_bigendian=yes
[ "$target_cpu" = "sparc32plus" ] && target_bigendian=yes
target_softmmu="no"
target_user_only="no"
target_linux_user="no"
target_darwin_user="no"
target_bsd_user="no"
case "$target" in
  ${target_cpu}-softmmu)
    target_softmmu="yes"
    ;;
  ${target_cpu}-linux-user)
    target_user_only="yes"
    target_linux_user="yes"
    ;;
  ${target_cpu}-darwin-user)
    target_user_only="yes"
    target_darwin_user="yes"
    ;;
  ${target_cpu}-bsd-user)
    target_user_only="yes"
    target_bsd_user="yes"
    ;;
  *)
    echo "ERROR: Target '$target' not recognised"
    exit 1
    ;;
esac

if test "$target_user_only" = "no" -a "$check_gfx" = "yes" \
        -a "$sdl" = "no" -a "$cocoa" = "no" ; then
    echo "ERROR: QEMU requires SDL or Cocoa for graphical output"
    echo "To build QEMU without graphical output configure with --disable-gfx-check"
    echo "Note that this will disable all output from the virtual graphics card"
    echo "except through VNC or curses."
    exit 1;
fi

#echo "Creating $config_mak, $config_h and $target_dir/Makefile"

test -f $config_h && mv $config_h ${config_h}~

mkdir -p $target_dir
mkdir -p $target_dir/fpu
mkdir -p $target_dir/tcg
if test "$target" = "arm-linux-user" -o "$target" = "armeb-linux-user" -o "$target" = "arm-bsd-user" -o "$target" = "armeb-bsd-user" ; then
  mkdir -p $target_dir/nwfpe
fi

#
# don't use ln -sf as not all "ln -sf" over write the file/link
#
rm -f $target_dir/Makefile
ln -s $source_path/Makefile.target $target_dir/Makefile


echo "# Automatically generated by configure - do not modify" > $config_mak
echo "/* Automatically generated by configure - do not modify */" > $config_h


echo "include ../config-host.mak" >> $config_mak
echo "#include \"../config-host.h\"" >> $config_h

bflt="no"
elfload32="no"
target_nptl="no"
interp_prefix1=`echo "$interp_prefix" | sed "s/%M/$target_cpu/g"`
echo "#define CONFIG_QEMU_PREFIX \"$interp_prefix1\"" >> $config_h
gdb_xml_files=""

# Make sure the target and host cpus are compatible
if test "$kvm" = "yes" -a ! \( "$target_cpu" = "$cpu" -o \
  \( "$target_cpu" = "x86_64" -a "$cpu" = "i386"   \) -o \
  \( "$target_cpu" = "i386"   -a "$cpu" = "x86_64" \) \) ; then
  kvm="no"
fi
# Disable KVM for linux-user
if test "$kvm" = "yes" -a "$target_softmmu" = "no" ; then
  kvm="no"
fi

case "$target_cpu" in
  i386)
    echo "TARGET_ARCH=i386" >> $config_mak
    echo "#define TARGET_ARCH \"i386\"" >> $config_h
    echo "#define TARGET_I386 1" >> $config_h
    if test $kqemu = "yes" -a "$target_softmmu" = "yes"
    then
      echo "#define USE_KQEMU 1" >> $config_h
    fi
    if test "$kvm" = "yes" ; then
      echo "CONFIG_KVM=yes" >> $config_mak
      echo "KVM_CFLAGS=$kvm_cflags" >> $config_mak
      echo "#define CONFIG_KVM 1" >> $config_h
    fi
    gcc3minver=`$cc --version 2> /dev/null| fgrep "(GCC) 3." | awk '{ print $3 }' | cut -f2 -d.`
    if test -n "$gcc3minver" && test $gcc3minver -gt 3
    then
      echo "HAVE_GT_GCC_3_3=true" >> $config_mak
    else
      echo "HAVE_GT_GCC_3_3=false" >> $config_mak
    fi
  ;;
  x86_64)
    echo "TARGET_ARCH=x86_64" >> $config_mak
    echo "#define TARGET_ARCH \"x86_64\"" >> $config_h
    echo "#define TARGET_I386 1" >> $config_h
    echo "#define TARGET_X86_64 1" >> $config_h
    if test $kqemu = "yes" -a "$target_softmmu" = "yes" -a $cpu = "x86_64"
    then
      echo "#define USE_KQEMU 1" >> $config_h
    fi
    if test "$kvm" = "yes" ; then
      echo "CONFIG_KVM=yes" >> $config_mak
      echo "KVM_CFLAGS=$kvm_cflags" >> $config_mak
      echo "#define CONFIG_KVM 1" >> $config_h
    fi
  ;;
  alpha)
    echo "TARGET_ARCH=alpha" >> $config_mak
    echo "#define TARGET_ARCH \"alpha\"" >> $config_h
    echo "#define TARGET_ALPHA 1" >> $config_h
  ;;
  arm|armeb)
    echo "TARGET_ARCH=arm" >> $config_mak
    echo "#define TARGET_ARCH \"arm\"" >> $config_h
    echo "#define TARGET_ARM 1" >> $config_h
    bflt="yes"
    target_nptl="yes"
    gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
  ;;
  cris)
    echo "TARGET_ARCH=cris" >> $config_mak
    echo "#define TARGET_ARCH \"cris\"" >> $config_h
    echo "#define TARGET_CRIS 1" >> $config_h
  ;;
  m68k)
    echo "TARGET_ARCH=m68k" >> $config_mak
    echo "#define TARGET_ARCH \"m68k\"" >> $config_h
    echo "#define TARGET_M68K 1" >> $config_h
    bflt="yes"
    gdb_xml_files="cf-core.xml cf-fp.xml"
  ;;
  mips|mipsel)
    echo "TARGET_ARCH=mips" >> $config_mak
    echo "#define TARGET_ARCH \"mips\"" >> $config_h
    echo "#define TARGET_MIPS 1" >> $config_h
    echo "#define TARGET_ABI_MIPSO32 1" >> $config_h
  ;;
  mipsn32|mipsn32el)
    echo "TARGET_ARCH=mipsn32" >> $config_mak
    echo "#define TARGET_ARCH \"mipsn32\"" >> $config_h
    echo "#define TARGET_MIPS 1" >> $config_h
    echo "#define TARGET_ABI_MIPSN32 1" >> $config_h
  ;;
  mips64|mips64el)
    echo "TARGET_ARCH=mips64" >> $config_mak
    echo "#define TARGET_ARCH \"mips64\"" >> $config_h
    echo "#define TARGET_MIPS 1" >> $config_h
    echo "#define TARGET_MIPS64 1" >> $config_h
    echo "#define TARGET_ABI_MIPSN64 1" >> $config_h
  ;;
  ppc)
    echo "TARGET_ARCH=ppc" >> $config_mak
    echo "CONFIG_DYNGEN_OP=yes" >> $config_mak
    echo "#define TARGET_ARCH \"ppc\"" >> $config_h
    echo "#define TARGET_PPC 1" >> $config_h
    echo "#define CONFIG_DYNGEN_OP 1" >> $config_h
  ;;
  ppcemb)
    echo "TARGET_ARCH=ppcemb" >> $config_mak
    echo "TARGET_ABI_DIR=ppc" >> $config_mak
    echo "CONFIG_DYNGEN_OP=yes" >> $config_mak
    echo "#define TARGET_ARCH \"ppcemb\"" >> $config_h
    echo "#define TARGET_PPC 1" >> $config_h
    echo "#define TARGET_PPCEMB 1" >> $config_h
    echo "#define CONFIG_DYNGEN_OP 1" >> $config_h
  ;;
  ppc64)
    echo "TARGET_ARCH=ppc64" >> $config_mak
    echo "TARGET_ABI_DIR=ppc" >> $config_mak
    echo "CONFIG_DYNGEN_OP=yes" >> $config_mak
    echo "#define TARGET_ARCH \"ppc64\"" >> $config_h
    echo "#define TARGET_PPC 1" >> $config_h
    echo "#define TARGET_PPC64 1" >> $config_h
    echo "#define CONFIG_DYNGEN_OP 1" >> $config_h
  ;;
  ppc64abi32)
    echo "TARGET_ARCH=ppc64" >> $config_mak
    echo "TARGET_ABI_DIR=ppc" >> $config_mak
    echo "TARGET_ARCH2=ppc64abi32" >> $config_mak
    echo "CONFIG_DYNGEN_OP=yes" >> $config_mak
    echo "#define TARGET_ARCH \"ppc64\"" >> $config_h
    echo "#define TARGET_PPC 1" >> $config_h
    echo "#define TARGET_PPC64 1" >> $config_h
    echo "#define TARGET_ABI32 1" >> $config_h
    echo "#define CONFIG_DYNGEN_OP 1" >> $config_h
  ;;
  sh4|sh4eb)
    echo "TARGET_ARCH=sh4" >> $config_mak
    echo "#define TARGET_ARCH \"sh4\"" >> $config_h
    echo "#define TARGET_SH4 1" >> $config_h
    bflt="yes"
    target_nptl="yes"
  ;;
  sparc)
    echo "TARGET_ARCH=sparc" >> $config_mak
    echo "#define TARGET_ARCH \"sparc\"" >> $config_h
    echo "#define TARGET_SPARC 1" >> $config_h
  ;;
  sparc64)
    echo "TARGET_ARCH=sparc64" >> $config_mak
    echo "#define TARGET_ARCH \"sparc64\"" >> $config_h
    echo "#define TARGET_SPARC 1" >> $config_h
    echo "#define TARGET_SPARC64 1" >> $config_h
    elfload32="yes"
  ;;
  sparc32plus)
    echo "TARGET_ARCH=sparc64" >> $config_mak
    echo "TARGET_ABI_DIR=sparc" >> $config_mak
    echo "TARGET_ARCH2=sparc32plus" >> $config_mak
    echo "#define TARGET_ARCH \"sparc64\"" >> $config_h
    echo "#define TARGET_SPARC 1" >> $config_h
    echo "#define TARGET_SPARC64 1" >> $config_h
    echo "#define TARGET_ABI32 1" >> $config_h
  ;;
  *)
    echo "Unsupported target CPU"
    exit 1
  ;;
esac
if test "$target_bigendian" = "yes" ; then
  echo "TARGET_WORDS_BIGENDIAN=yes" >> $config_mak
  echo "#define TARGET_WORDS_BIGENDIAN 1" >> $config_h
fi
if test "$target_softmmu" = "yes" ; then
  echo "CONFIG_SOFTMMU=yes" >> $config_mak
  echo "#define CONFIG_SOFTMMU 1" >> $config_h
fi
if test "$target_user_only" = "yes" ; then
  echo "CONFIG_USER_ONLY=yes" >> $config_mak
  echo "#define CONFIG_USER_ONLY 1" >> $config_h
fi
if test "$target_linux_user" = "yes" ; then
  echo "CONFIG_LINUX_USER=yes" >> $config_mak
  echo "#define CONFIG_LINUX_USER 1" >> $config_h
fi
if test "$target_darwin_user" = "yes" ; then
  echo "CONFIG_DARWIN_USER=yes" >> $config_mak
  echo "#define CONFIG_DARWIN_USER 1" >> $config_h
fi
list=""
if test ! -z "$gdb_xml_files" ; then
  for x in $gdb_xml_files; do
    list="$list $source_path/gdb-xml/$x"
  done
fi
echo "TARGET_XML_FILES=$list" >> $config_mak

if test "$target_cpu" = "arm" \
     -o "$target_cpu" = "armeb" \
     -o "$target_cpu" = "m68k" \
     -o "$target_cpu" = "mips" \
     -o "$target_cpu" = "mipsel" \
     -o "$target_cpu" = "mipsn32" \
     -o "$target_cpu" = "mipsn32el" \
     -o "$target_cpu" = "mips64" \
     -o "$target_cpu" = "mips64el" \
     -o "$target_cpu" = "sparc" \
     -o "$target_cpu" = "sparc64" \
     -o "$target_cpu" = "sparc32plus"; then
  echo "CONFIG_SOFTFLOAT=yes" >> $config_mak
  echo "#define CONFIG_SOFTFLOAT 1" >> $config_h
fi
if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
  echo "TARGET_HAS_BFLT=yes" >> $config_mak
  echo "#define TARGET_HAS_BFLT 1" >> $config_h
fi
if test "$target_user_only" = "yes" \
        -a "$nptl" = "yes" -a "$target_nptl" = "yes"; then
  echo "#define USE_NPTL 1" >> $config_h
fi
# 32 bit ELF loader in addition to native 64 bit loader?
if test "$target_user_only" = "yes" -a "$elfload32" = "yes"; then
  echo "TARGET_HAS_ELFLOAD32=yes" >> $config_mak
  echo "#define TARGET_HAS_ELFLOAD32 1" >> $config_h
fi
if test "$target_bsd_user" = "yes" ; then
  echo "CONFIG_BSD_USER=yes" >> $config_mak
  echo "#define CONFIG_BSD_USER 1" >> $config_h
fi

test -f ${config_h}~ && cmp -s $config_h ${config_h}~ && mv ${config_h}~ $config_h

done # for target in $targets

# build tree in object directory if source path is different from current one
if test "$source_path_used" = "yes" ; then
    DIRS="tests tests/cris slirp audio"
    FILES="Makefile tests/Makefile"
    FILES="$FILES tests/cris/Makefile tests/cris/.gdbinit"
    FILES="$FILES tests/test-mmap.c"
    for dir in $DIRS ; do
            mkdir -p $dir
    done
    # remove the link and recreate it, as not all "ln -sf" overwrite the link
    for f in $FILES ; do
        rm -f $f
        ln -s $source_path/$f $f
    done
fi