android-configure.sh - platform/external/qemu.git - Git at Google

 #!/bin/sh
 #
 # this script is used to rebuild the Android emulator from sources
 # in the current directory. It also contains logic to speed up the
 # rebuild if it detects that you're using the Android build system
 #
 # here's the list of environment variables you can define before
 # calling this script to control it (besides options):
 #
 #

 # first, let's see which system we're running this on
 cd `dirname $0`

 # source common functions definitions
 . android/build/common.sh

 # Parse options
 OPTION_TARGETS=""
 OPTION_DEBUG=no
 OPTION_IGNORE_AUDIO=no
 OPTION_NO_PREBUILTS=no
 OPTION_TRY_64=no
 OPTION_HELP=no
 OPTION_STATIC=no
 OPTION_MINGW=no

 GLES_INCLUDE=
 GLES_LIBS=
 GLES_SUPPORT=no
 GLES_PROBE=yes

 HOST_CC=${CC:-gcc}
 OPTION_CC=

 TARGET_ARCH=arm

 for opt do
   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
   case "$opt" in
   --help|-h|-\?) OPTION_HELP=yes
   ;;
   --verbose)
     if [ "$VERBOSE" = "yes" ] ; then
         VERBOSE2=yes
     else
         VERBOSE=yes
     fi
   ;;
   --debug) OPTION_DEBUG=yes
   ;;
   --install=*) OPTION_TARGETS="$OPTION_TARGETS $optarg";
   ;;
   --sdl-config=*) SDL_CONFIG=$optarg
   ;;
   --mingw) OPTION_MINGW=yes
   ;;
   --cc=*) OPTION_CC="$optarg"
   ;;
   --no-strip) OPTION_NO_STRIP=yes
   ;;
   --ignore-audio) OPTION_IGNORE_AUDIO=yes
   ;;
   --no-prebuilts) OPTION_NO_PREBUILTS=yes
   ;;
   --try-64) OPTION_TRY_64=yes
   ;;
   --static) OPTION_STATIC=yes
   ;;
   --arch=*) TARGET_ARCH=$optarg
   ;;
   --gles-include=*) GLES_INCLUDE=$optarg
   GLES_SUPPORT=yes
   ;;
   --gles-libs=*) GLES_LIBS=$optarg
   GLES_SUPPORT=yes
   ;;
   --no-gles) GLES_PROBE=no
   ;;
   *)
     echo "unknown option '$opt', use --help"
     exit 1
   esac
 done

 # Print the help message
 #
 if [ "$OPTION_HELP" = "yes" ] ; then
     cat << EOF

 Usage: rebuild.sh [options]
 Options: [defaults in brackets after descriptions]
 EOF
     echo "Standard options:"
     echo "  --help                   print this message"
     echo "  --install=FILEPATH       copy emulator executable to FILEPATH [$TARGETS]"
     echo "  --cc=PATH                specify C compiler [$HOST_CC]"
     echo "  --arch=ARM               specify target architecture [$TARGET_ARCH]"
     echo "  --sdl-config=FILE        use specific sdl-config script [$SDL_CONFIG]"
     echo "  --no-strip               do not strip emulator executable"
     echo "  --debug                  enable debug (-O0 -g) build"
     echo "  --ignore-audio           ignore audio messages (may build sound-less emulator)"
     echo "  --no-prebuilts           do not use prebuilt libraries and compiler"
     echo "  --try-64                 try to build a 64-bit executable (may crash)"
     echo "  --mingw                  build Windows executable on Linux"
     echo "  --static                 build a completely static executable"
     echo "  --verbose                verbose configuration"
     echo "  --debug                  build debug version of the emulator"
     echo "  --gles-include=PATH      specify path to GLES emulation headers"
     echo "  --gles-libs=PATH         specify path to GLES emulation host libraries"
     echo "  --no-gles                disable GLES emulation support"
     echo ""
     exit 1
 fi

 # On Linux, try to use our prebuilt toolchain to generate binaries
 # that are compatible with Ubuntu 8.04
 if [ -z "$CC" -a -z "$OPTION_CC" -a "$HOST_OS" = linux ] ; then
     HOST_CC=`dirname $0`/../../prebuilts/tools/gcc-sdk/gcc
     if [ -f "$HOST_CC" ] ; then
         echo "Using prebuilt toolchain: $HOST_CC"
         CC="$HOST_CC"
     fi
 fi

 echo "OPTION_CC='$OPTION_CC'"
 if [ -n "$OPTION_CC" ]; then
     echo "Using specified C compiler: $OPTION_CC"
     CC="$OPTION_CC"
 fi

 if [ -z "$CC" ]; then
   CC=$HOST_CC
 fi

 # we only support generating 32-bit binaris on 64-bit systems.
 # And we may need to add a -Wa,--32 to CFLAGS to let the assembler
 # generate 32-bit binaries on Linux x86_64.
 #
 if [ "$OPTION_TRY_64" != "yes" ] ; then
     force_32bit_binaries
 fi

 case $OS in
     linux-*)
         TARGET_DLL_SUFFIX=.so
         ;;
     darwin-*)
         TARGET_DLL_SUFFIX=.dylib
         ;;
     windows*)
         TARGET_DLL_SUFFIX=.dll
 esac

 TARGET_OS=$OS
 if [ "$OPTION_MINGW" = "yes" ] ; then
     enable_linux_mingw
     TARGET_OS=windows
     TARGET_DLL_SUFFIX=.dll
 else
     enable_cygwin
 fi

 # Are we running in the Android build system ?
 check_android_build


 # Adjust a few things when we're building within the Android build
 # system:
 #    - locate prebuilt directory
 #    - locate and use prebuilt libraries
 #    - copy the new binary to the correct location
 #
 if [ "$OPTION_NO_PREBUILTS" = "yes" ] ; then
     IN_ANDROID_BUILD=no
 fi

 # This is the list of static and shared host libraries we need to link
 # against in order to support OpenGLES emulation properly. Note that in
 # the case of a standalone build, we will find these libraries inside the
 # platform build tree and copy them into objs/lib/ automatically, unless
 # you use --gles-libs to point explicitely to a different directory.
 #
 if [ "$OPTION_TRY_64" != "yes" ] ; then
     GLES_SHARED_LIBRARIES="libOpenglRender libGLES_CM_translator libGLES_V2_translator libEGL_translator"
 else
     GLES_SHARED_LIBRARIES="lib64OpenglRender lib64GLES_CM_translator lib64GLES_V2_translator lib64EGL_translator"
 fi

 if [ "$IN_ANDROID_BUILD" = "yes" ] ; then
     locate_android_prebuilt

     # use ccache if USE_CCACHE is defined and the corresponding
     # binary is available.
     #
     if [ -n "$USE_CCACHE" ] ; then
         CCACHE="$ANDROID_PREBUILT/ccache/ccache$EXE"
         if [ ! -f $CCACHE ] ; then
             CCACHE="$ANDROID_PREBUILTS/ccache/ccache$EXE"
         fi
         if [ -f $CCACHE ] ; then
             CC="$CCACHE $CC"
             log "Prebuilt   : CCACHE=$CCACHE"
 	else
             log "Prebuilt   : CCACHE can't be found"
         fi
     fi

     # finally ensure that our new binary is copied to the 'out'
     # subdirectory as 'emulator'
     HOST_BIN=$(get_android_abs_build_var HOST_OUT_EXECUTABLES)
     if [ "$TARGET_OS" = "windows" ]; then
         HOST_BIN=$(echo $HOST_BIN | sed "s%$OS/bin%windows/bin%")
     fi
     if [ -n "$HOST_BIN" ] ; then
         OPTION_TARGETS="$OPTION_TARGETS $HOST_BIN/emulator$EXE"
         log "Targets    : TARGETS=$OPTION_TARGETS"
     fi

     # find the Android SDK Tools revision number
     TOOLS_PROPS=$ANDROID_TOP/sdk/files/tools_source.properties
     if [ -f $TOOLS_PROPS ] ; then
         ANDROID_SDK_TOOLS_REVISION=`awk -F= '/Pkg.Revision/ { print $2; }' $TOOLS_PROPS 2> /dev/null`
         log "Tools      : Found tools revision number $ANDROID_SDK_TOOLS_REVISION"
     else
         log "Tools      : Could not locate $TOOLS_PROPS !?"
     fi

     # Try to find the GLES emulation headers and libraries automatically
     if [ "$GLES_PROBE" = "yes" ]; then
         GLES_SUPPORT=yes
         if [ -z "$GLES_INCLUDE" ]; then
             log "GLES       : Probing for headers"
             GLES_INCLUDE=$ANDROID_TOP/sdk/emulator/opengl/host/include
             if [ -d "$GLES_INCLUDE" ]; then
                 log "GLES       : Headers in $GLES_INCLUDE"
             else
                 echo "Warning: Could not find OpenGLES emulation include dir: $GLES_INCLUDE"
                 echo "Disabling GLES emulation from this build!"
                 GLES_SUPPORT=no
             fi
         fi
         if [ -z "$GLES_LIBS" ]; then
             log "GLES       : Probing for host libraries"
             GLES_LIBS=$(dirname "$HOST_BIN")/lib
             if [ -d "$GLES_LIBS" ]; then
                 echo "GLES       : Libs in $GLES_LIBS"
             else
                 echo "Warning: Could nof find OpenGLES emulation libraries in: $GLES_LIBS"
                 echo "Disabling GLES emulation from this build!"
                 GLES_SUPPORT=no
             fi
         fi
     fi
 else
     if [ "$GLES_PROBE" = "yes" ]; then
         GLES_SUPPORT=yes
         if [ -z "$GLES_INCLUDE" ]; then
             log "GLES       : Probing for headers"
             GLES_INCLUDE=../../sdk/emulator/opengl/host/include
             if [ -d "$GLES_INCLUDE" ]; then
                 log "GLES       : Headers in $GLES_INCLUDE"
             else
                 echo "Warning: Could not find OpenGLES emulation include dir: $GLES_INCLUDE"
                 echo "Disabling GLES emulation from this build!"
                 GLES_SUPPORT=no
             fi
         fi
         if [ -z "$GLES_LIBS" ]; then
             log "GLES       : Probing for host libraries"
             GLES_LIBS=../../out/host/$OS/lib
             if [ -d "$GLES_LIBS" ]; then
                 echo "GLES       : Libs in $GLES_LIBS"
             else
                 echo "Warning: Could nof find OpenGLES emulation libraries in: $GLES_LIBS"
                 echo "Disabling GLES emulation from this build!"
                 GLES_SUPPORT=no
             fi
         fi
     fi
 fi  # IN_ANDROID_BUILD = no

 if [ "$GLES_SUPPORT" = "yes" ]; then
     if [ -z "$GLES_INCLUDE" -o -z "$GLES_LIBS" ]; then
         echo "ERROR: You must use both --gles-include and --gles-libs at the same time!"
         echo "       Or use --no-gles to disable its support from this build."
         exit 1
     fi

     GLES_HEADER=$GLES_INCLUDE/libOpenglRender/render_api.h
     if [ ! -f "$GLES_HEADER" ]; then
         echo "ERROR: Missing OpenGLES emulation header file: $GLES_HEADER"
         echo "Please fix this by using --gles-include to point to the right directory!"
         exit 1
     fi

     mkdir -p objs/lib

     for lib in $GLES_SHARED_LIBRARIES; do
         GLES_LIB=$GLES_LIBS/${lib}$TARGET_DLL_SUFFIX
         if [ ! -f "$GLES_LIB" ]; then
             echo "ERROR: Missing OpenGLES emulation host library: $GLES_LIB"
             echo "Please fix this by using --gles-libs to point to the right directory!"
             if [ "$IN_ANDROID_BUILD" = "true" ]; then
                 echo "You might also be missing the library because you forgot to rebuild the whole platform!"
             fi
             exit 1
         fi
         cp $GLES_LIB objs/lib
         if [ $? != 0 ]; then
             echo "ERROR: Could not find required OpenGLES emulation library: $GLES_LIB"
             exit 1
         else
             log "GLES       : Copying $GLES_LIB"
         fi
     done
 fi

 # we can build the emulator with Cygwin, so enable it
 enable_cygwin

 setup_toolchain

 ###
 ###  SDL Probe
 ###

 if [ -n "$SDL_CONFIG" ] ; then

 	# check that we can link statically with the library.
 	#
 	SDL_CFLAGS=`$SDL_CONFIG --cflags`
 	SDL_LIBS=`$SDL_CONFIG --static-libs`

 	# quick hack, remove the -D_GNU_SOURCE=1 of some SDL Cflags
 7	# since they break recent Mingw releases
 	SDL_CFLAGS=`echo $SDL_CFLAGS | sed -e s/-D_GNU_SOURCE=1//g`

 	log "SDL-probe  : SDL_CFLAGS = $SDL_CFLAGS"
 	log "SDL-probe  : SDL_LIBS   = $SDL_LIBS"


 	EXTRA_CFLAGS="$SDL_CFLAGS"
 	EXTRA_LDFLAGS="$SDL_LIBS"

 	case "$OS" in
 		freebsd-*)
 		EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -lpthread"
 		;;
 	esac

 	cat > $TMPC << EOF
 #include <SDL.h>
 #undef main
 int main( int argc, char** argv ) {
    return SDL_Init (SDL_INIT_VIDEO);
 }
 EOF
 	feature_check_link  SDL_LINKING

 	if [ $SDL_LINKING != "yes" ] ; then
 		echo "You provided an explicit sdl-config script, but the corresponding library"
 		echo "cannot be statically linked with the Android emulator directly."
 		echo "Error message:"
 		cat $TMPL
 		clean_exit
 	fi
 	log "SDL-probe  : static linking ok"

 	# now, let's check that the SDL library has the special functions
 	# we added to our own sources
 	#
 	cat > $TMPC << EOF
 #include <SDL.h>
 #undef main
 int main( int argc, char** argv ) {
 	int  x, y;
 	SDL_Rect  r;
 	SDL_WM_GetPos(&x, &y);
 	SDL_WM_SetPos(x, y);
 	SDL_WM_GetMonitorDPI(&x, &y);
 	SDL_WM_GetMonitorRect(&r);
 	return SDL_Init (SDL_INIT_VIDEO);
 }
 EOF
 	feature_check_link  SDL_LINKING

 	if [ $SDL_LINKING != "yes" ] ; then
 		echo "You provided an explicit sdl-config script in SDL_CONFIG, but the"
 		echo "corresponding library doesn't have the patches required to link"
 		echo "with the Android emulator. Unsetting SDL_CONFIG will use the"
 		echo "sources bundled with the emulator instead"
 		echo "Error:"
 		cat $TMPL
 		clean_exit
 	fi

 	log "SDL-probe  : extra features ok"
 	clean_temp

 	EXTRA_CFLAGS=
 	EXTRA_LDFLAGS=
 fi

 ###
 ###  Audio subsystems probes
 ###
 PROBE_COREAUDIO=no
 PROBE_ALSA=no
 PROBE_OSS=no
 PROBE_ESD=no
 PROBE_PULSEAUDIO=no
 PROBE_WINAUDIO=no

 case "$TARGET_OS" in
     darwin*) PROBE_COREAUDIO=yes;
     ;;
     linux-*) PROBE_ALSA=yes; PROBE_OSS=yes; PROBE_ESD=yes; PROBE_PULSEAUDIO=yes;
     ;;
     freebsd-*) PROBE_OSS=yes;
     ;;
     windows) PROBE_WINAUDIO=yes
     ;;
 esac

 ORG_CFLAGS=$CFLAGS
 ORG_LDFLAGS=$LDFLAGS

 if [ "$OPTION_IGNORE_AUDIO" = "yes" ] ; then
 PROBE_ESD_ESD=no
 PROBE_ALSA=no
 PROBE_PULSEAUDIO=no
 fi

 # Probe a system library
 #
 # $1: Variable name (e.g. PROBE_ESD)
 # $2: Library name (e.g. "Alsa")
 # $3: Path to source file for probe program (e.g. android/config/check-alsa.c)
 # $4: Package name (e.g. libasound-dev)
 #
 probe_system_library ()
 {
     if [ `var_value $1` = yes ] ; then
         CFLAGS="$ORG_CFLAGS"
         LDFLAGS="$ORG_LDFLAGS -ldl"
         cp -f android/config/check-esd.c $TMPC
         compile
         if [ $? = 0 ] ; then
             log "AudioProbe : $2 seems to be usable on this system"
         else
             if [ "$OPTION_IGNORE_AUDIO" = no ] ; then
                 echo "The $2 development files do not seem to be installed on this system"
                 echo "Are you missing the $4 package ?"
                 echo "Correct the errors below and try again:"
                 cat $TMPL
                 clean_exit
             fi
             eval $1=no
             log "AudioProbe : $2 seems to be UNUSABLE on this system !!"
         fi
     fi
 }

 probe_system_library PROBE_ESD        ESounD     android/config/check-esd.c libesd-dev
 probe_system_library PROBE_ALSA       Alsa       android/config/check-alsa.c libasound-dev
 probe_system_library PROBE_PULSEAUDIO PulseAudio android/config/check-pulseaudio.c libpulse-dev

 CFLAGS=$ORG_CFLAGS
 LDFLAGS=$ORG_LDFLAGS

 # create the objs directory that is going to contain all generated files
 # including the configuration ones
 #
 mkdir -p objs

 ###
 ###  Compiler probe
 ###

 ####
 ####  Host system probe
 ####

 # because the previous version could be read-only
 rm -f $TMPC

 # check host endianess
 #
 HOST_BIGENDIAN=no
 if [ "$TARGET_OS" = "$OS" ] ; then
 cat > $TMPC << EOF
 #include <inttypes.h>
 int main(int argc, char ** argv){
         volatile uint32_t i=0x01234567;
         return (*((uint8_t*)(&i))) == 0x01;
 }
 EOF
 feature_run_exec HOST_BIGENDIAN
 fi

 # check size of host long bits
 HOST_LONGBITS=32
 if [ "$TARGET_OS" = "$OS" ] ; then
 cat > $TMPC << EOF
 int main(void) {
         return sizeof(void*)*8;
 }
 EOF
 feature_run_exec HOST_LONGBITS
 fi

 # check whether we have <byteswap.h>
 #
 feature_check_header HAVE_BYTESWAP_H      "<byteswap.h>"
 feature_check_header HAVE_MACHINE_BSWAP_H "<machine/bswap.h>"
 feature_check_header HAVE_FNMATCH_H       "<fnmatch.h>"

 # Build the config.make file
 #

 case $TARGET_OS in
     windows)
         TARGET_EXEEXT=.exe
         ;;
     *)
         TARGET_EXEEXT=
         ;;
 esac

 create_config_mk
 echo "" >> $config_mk
 if [ $TARGET_ARCH = arm ] ; then
 echo "TARGET_ARCH       := arm" >> $config_mk
 fi

 if [ $TARGET_ARCH = x86 ] ; then
 echo "TARGET_ARCH       := x86" >> $config_mk
 fi

 if [ $TARGET_ARCH = mips ] ; then
 echo "TARGET_ARCH       := mips" >> $config_mk
 fi

 echo "HOST_PREBUILT_TAG := $TARGET_OS" >> $config_mk
 echo "HOST_EXEEXT       := $TARGET_EXEEXT" >> $config_mk
 echo "PREBUILT          := $ANDROID_PREBUILT" >> $config_mk
 echo "PREBUILTS         := $ANDROID_PREBUILTS" >> $config_mk

 PWD=`pwd`
 echo "SRC_PATH          := $PWD" >> $config_mk
 if [ -n "$SDL_CONFIG" ] ; then
 echo "QEMU_SDL_CONFIG   := $SDL_CONFIG" >> $config_mk
 fi
 echo "CONFIG_COREAUDIO  := $PROBE_COREAUDIO" >> $config_mk
 echo "CONFIG_WINAUDIO   := $PROBE_WINAUDIO" >> $config_mk
 echo "CONFIG_ESD        := $PROBE_ESD" >> $config_mk
 echo "CONFIG_ALSA       := $PROBE_ALSA" >> $config_mk
 echo "CONFIG_OSS        := $PROBE_OSS" >> $config_mk
 echo "CONFIG_PULSEAUDIO := $PROBE_PULSEAUDIO" >> $config_mk
 echo "BUILD_STANDALONE_EMULATOR := true" >> $config_mk
 if [ $OPTION_DEBUG = yes ] ; then
     echo "BUILD_DEBUG_EMULATOR := true" >> $config_mk
 fi
 if [ $OPTION_STATIC = yes ] ; then
     echo "CONFIG_STATIC_EXECUTABLE := true" >> $config_mk
 fi

 if [ -n "$ANDROID_SDK_TOOLS_REVISION" ] ; then
     echo "ANDROID_SDK_TOOLS_REVISION := $ANDROID_SDK_TOOLS_REVISION" >> $config_mk
 fi

 if [ "$OPTION_MINGW" = "yes" ] ; then
     echo "" >> $config_mk
     echo "USE_MINGW := 1" >> $config_mk
     echo "HOST_OS   := windows" >> $config_mk
 fi

 if [ "$GLES_INCLUDE" -a "$GLES_LIBS" ]; then
     echo "QEMU_OPENGLES_INCLUDE    := $GLES_INCLUDE" >> $config_mk
     echo "QEMU_OPENGLES_LIBS       := $GLES_LIBS"    >> $config_mk
 fi

 # Build the config-host.h file
 #
 config_h=objs/config-host.h
 echo "/* This file was autogenerated by '$PROGNAME' */" > $config_h
 echo "#define CONFIG_QEMU_SHAREDIR   \"/usr/local/share/qemu\"" >> $config_h
 echo "#define HOST_LONG_BITS  $HOST_LONGBITS" >> $config_h
 if [ "$HAVE_BYTESWAP_H" = "yes" ] ; then
   echo "#define CONFIG_BYTESWAP_H 1" >> $config_h
 fi
 if [ "$HAVE_MACHINE_BYTESWAP_H" = "yes" ] ; then
   echo "#define CONFIG_MACHINE_BSWAP_H 1" >> $config_h
 fi
 if [ "$HAVE_FNMATCH_H" = "yes" ] ; then
   echo "#define CONFIG_FNMATCH  1" >> $config_h
 fi
 echo "#define CONFIG_GDBSTUB  1" >> $config_h
 echo "#define CONFIG_SLIRP    1" >> $config_h
 echo "#define CONFIG_SKINS    1" >> $config_h
 echo "#define CONFIG_TRACE    1" >> $config_h

 case "$TARGET_OS" in
     windows)
         echo "#define CONFIG_WIN32  1" >> $config_h
         ;;
     *)
         echo "#define CONFIG_POSIX  1" >> $config_h
         ;;
 esac

 case "$TARGET_OS" in
     linux-*)
         echo "#define CONFIG_KVM_GS_RESTORE 1" >> $config_h
         ;;
 esac

 # only Linux has fdatasync()
 case "$TARGET_OS" in
     linux-*)
         echo "#define CONFIG_FDATASYNC    1" >> $config_h
         ;;
 esac

 case "$TARGET_OS" in
     linux-*|darwin-*)
         echo "#define CONFIG_MADVISE  1" >> $config_h
         ;;
 esac

 # the -nand-limits options can only work on non-windows systems
 if [ "$TARGET_OS" != "windows" ] ; then
     echo "#define CONFIG_NAND_LIMITS  1" >> $config_h
 fi
 echo "#define QEMU_VERSION    \"0.10.50\"" >> $config_h
 echo "#define QEMU_PKGVERSION \"Android\"" >> $config_h
 case "$CPU" in
     x86) CONFIG_CPU=I386
     ;;
     ppc) CONFIG_CPU=PPC
     ;;
     x86_64) CONFIG_CPU=X86_64
     ;;
     *) CONFIG_CPU=$CPU
     ;;
 esac
 echo "#define HOST_$CONFIG_CPU    1" >> $config_h
 if [ "$HOST_BIGENDIAN" = "1" ] ; then
   echo "#define HOST_WORDS_BIGENDIAN 1" >> $config_h
 fi
 BSD=0
 case "$TARGET_OS" in
     linux-*) CONFIG_OS=LINUX
     ;;
     darwin-*) CONFIG_OS=DARWIN
               BSD=1
     ;;
     freebsd-*) CONFIG_OS=FREEBSD
               BSD=1
     ;;
     windows*) CONFIG_OS=WIN32
     ;;
     *) CONFIG_OS=$OS
 esac

 if [ "$OPTION_STATIC" = "yes" ] ; then
     echo "CONFIG_STATIC_EXECUTABLE := true" >> $config_mk
     echo "#define CONFIG_STATIC_EXECUTABLE  1" >> $config_h
 fi

 case $TARGET_OS in
     linux-*|darwin-*)
         echo "#define CONFIG_IOVEC 1" >> $config_h
         ;;
 esac

 echo "#define CONFIG_$CONFIG_OS   1" >> $config_h
 if [ $BSD = 1 ] ; then
     echo "#define CONFIG_BSD       1" >> $config_h
     echo "#define O_LARGEFILE      0" >> $config_h
     echo "#define MAP_ANONYMOUS    MAP_ANON" >> $config_h
 fi

 echo "#define CONFIG_ANDROID       1" >> $config_h

 if [ "$GLES_INCLUDE" -a "$GLES_LIBS" ]; then
     echo "#define CONFIG_ANDROID_OPENGLES 1" >> $config_h
 fi

 log "Generate   : $config_h"

 echo "Ready to go. Type 'make' to build emulator"
	#!/bin/sh
	#
	# this script is used to rebuild the Android emulator from sources
	# in the current directory. It also contains logic to speed up the
	# rebuild if it detects that you're using the Android build system
	#
	# here's the list of environment variables you can define before
	# calling this script to control it (besides options):
	#
	#

	# first, let's see which system we're running this on
	cd `dirname $0`

	# source common functions definitions
	. android/build/common.sh

	# Parse options
	OPTION_TARGETS=""
	OPTION_DEBUG=no
	OPTION_IGNORE_AUDIO=no
	OPTION_NO_PREBUILTS=no
	OPTION_TRY_64=no
	OPTION_HELP=no
	OPTION_STATIC=no
	OPTION_MINGW=no

	GLES_INCLUDE=
	GLES_LIBS=
	GLES_SUPPORT=no
	GLES_PROBE=yes

	HOST_CC=${CC:-gcc}
	OPTION_CC=

	TARGET_ARCH=arm

	for opt do
	optarg=`expr "x$opt" : 'x[^=]=\(.\)'`
	case "$opt" in
	--help\|-h\|-\?) OPTION_HELP=yes
	;;
	--verbose)
	if [ "$VERBOSE" = "yes" ] ; then
	VERBOSE2=yes
	else
	VERBOSE=yes
	fi
	;;
	--debug) OPTION_DEBUG=yes
	;;
	--install=*) OPTION_TARGETS="$OPTION_TARGETS $optarg";
	;;
	--sdl-config=*) SDL_CONFIG=$optarg
	;;
	--mingw) OPTION_MINGW=yes
	;;
	--cc=*) OPTION_CC="$optarg"
	;;
	--no-strip) OPTION_NO_STRIP=yes
	;;
	--ignore-audio) OPTION_IGNORE_AUDIO=yes
	;;
	--no-prebuilts) OPTION_NO_PREBUILTS=yes
	;;
	--try-64) OPTION_TRY_64=yes
	;;
	--static) OPTION_STATIC=yes
	;;
	--arch=*) TARGET_ARCH=$optarg
	;;
	--gles-include=*) GLES_INCLUDE=$optarg
	GLES_SUPPORT=yes
	;;
	--gles-libs=*) GLES_LIBS=$optarg
	GLES_SUPPORT=yes
	;;
	--no-gles) GLES_PROBE=no
	;;
	*)
	echo "unknown option '$opt', use --help"
	exit 1
	esac
	done

	# Print the help message
	#
	if [ "$OPTION_HELP" = "yes" ] ; then
	cat << EOF

	Usage: rebuild.sh [options]
	Options: [defaults in brackets after descriptions]
	EOF
	echo "Standard options:"
	echo " --help print this message"
	echo " --install=FILEPATH copy emulator executable to FILEPATH [$TARGETS]"
	echo " --cc=PATH specify C compiler [$HOST_CC]"
	echo " --arch=ARM specify target architecture [$TARGET_ARCH]"
	echo " --sdl-config=FILE use specific sdl-config script [$SDL_CONFIG]"
	echo " --no-strip do not strip emulator executable"
	echo " --debug enable debug (-O0 -g) build"
	echo " --ignore-audio ignore audio messages (may build sound-less emulator)"
	echo " --no-prebuilts do not use prebuilt libraries and compiler"
	echo " --try-64 try to build a 64-bit executable (may crash)"
	echo " --mingw build Windows executable on Linux"
	echo " --static build a completely static executable"
	echo " --verbose verbose configuration"
	echo " --debug build debug version of the emulator"
	echo " --gles-include=PATH specify path to GLES emulation headers"
	echo " --gles-libs=PATH specify path to GLES emulation host libraries"
	echo " --no-gles disable GLES emulation support"
	echo ""
	exit 1
	fi

	# On Linux, try to use our prebuilt toolchain to generate binaries
	# that are compatible with Ubuntu 8.04
	if [ -z "$CC" -a -z "$OPTION_CC" -a "$HOST_OS" = linux ] ; then
	HOST_CC=`dirname $0`/../../prebuilts/tools/gcc-sdk/gcc
	if [ -f "$HOST_CC" ] ; then
	echo "Using prebuilt toolchain: $HOST_CC"
	CC="$HOST_CC"
	fi
	fi

	echo "OPTION_CC='$OPTION_CC'"
	if [ -n "$OPTION_CC" ]; then
	echo "Using specified C compiler: $OPTION_CC"
	CC="$OPTION_CC"
	fi

	if [ -z "$CC" ]; then
	CC=$HOST_CC
	fi

	# we only support generating 32-bit binaris on 64-bit systems.
	# And we may need to add a -Wa,--32 to CFLAGS to let the assembler
	# generate 32-bit binaries on Linux x86_64.
	#
	if [ "$OPTION_TRY_64" != "yes" ] ; then
	force_32bit_binaries
	fi

	case $OS in
	linux-*)
	TARGET_DLL_SUFFIX=.so
	;;
	darwin-*)
	TARGET_DLL_SUFFIX=.dylib
	;;
	windows*)
	TARGET_DLL_SUFFIX=.dll
	esac

	TARGET_OS=$OS
	if [ "$OPTION_MINGW" = "yes" ] ; then
	enable_linux_mingw
	TARGET_OS=windows
	TARGET_DLL_SUFFIX=.dll
	else
	enable_cygwin
	fi

	# Are we running in the Android build system ?
	check_android_build


	# Adjust a few things when we're building within the Android build
	# system:
	# - locate prebuilt directory
	# - locate and use prebuilt libraries
	# - copy the new binary to the correct location
	#
	if [ "$OPTION_NO_PREBUILTS" = "yes" ] ; then
	IN_ANDROID_BUILD=no
	fi

	# This is the list of static and shared host libraries we need to link
	# against in order to support OpenGLES emulation properly. Note that in
	# the case of a standalone build, we will find these libraries inside the
	# platform build tree and copy them into objs/lib/ automatically, unless
	# you use --gles-libs to point explicitely to a different directory.
	#
	if [ "$OPTION_TRY_64" != "yes" ] ; then
	GLES_SHARED_LIBRARIES="libOpenglRender libGLES_CM_translator libGLES_V2_translator libEGL_translator"
	else
	GLES_SHARED_LIBRARIES="lib64OpenglRender lib64GLES_CM_translator lib64GLES_V2_translator lib64EGL_translator"
	fi

	if [ "$IN_ANDROID_BUILD" = "yes" ] ; then
	locate_android_prebuilt

	# use ccache if USE_CCACHE is defined and the corresponding
	# binary is available.
	#
	if [ -n "$USE_CCACHE" ] ; then
	CCACHE="$ANDROID_PREBUILT/ccache/ccache$EXE"
	if [ ! -f $CCACHE ] ; then
	CCACHE="$ANDROID_PREBUILTS/ccache/ccache$EXE"
	fi
	if [ -f $CCACHE ] ; then
	CC="$CCACHE $CC"
	log "Prebuilt : CCACHE=$CCACHE"
	else
	log "Prebuilt : CCACHE can't be found"
	fi
	fi

	# finally ensure that our new binary is copied to the 'out'
	# subdirectory as 'emulator'
	HOST_BIN=$(get_android_abs_build_var HOST_OUT_EXECUTABLES)
	if [ "$TARGET_OS" = "windows" ]; then
	HOST_BIN=$(echo $HOST_BIN \| sed "s%$OS/bin%windows/bin%")
	fi
	if [ -n "$HOST_BIN" ] ; then
	OPTION_TARGETS="$OPTION_TARGETS $HOST_BIN/emulator$EXE"
	log "Targets : TARGETS=$OPTION_TARGETS"
	fi

	# find the Android SDK Tools revision number
	TOOLS_PROPS=$ANDROID_TOP/sdk/files/tools_source.properties
	if [ -f $TOOLS_PROPS ] ; then
	ANDROID_SDK_TOOLS_REVISION=`awk -F= '/Pkg.Revision/ { print $2; }' $TOOLS_PROPS 2> /dev/null`
	log "Tools : Found tools revision number $ANDROID_SDK_TOOLS_REVISION"
	else
	log "Tools : Could not locate $TOOLS_PROPS !?"
	fi

	# Try to find the GLES emulation headers and libraries automatically
	if [ "$GLES_PROBE" = "yes" ]; then
	GLES_SUPPORT=yes
	if [ -z "$GLES_INCLUDE" ]; then
	log "GLES : Probing for headers"
	GLES_INCLUDE=$ANDROID_TOP/sdk/emulator/opengl/host/include
	if [ -d "$GLES_INCLUDE" ]; then
	log "GLES : Headers in $GLES_INCLUDE"
	else
	echo "Warning: Could not find OpenGLES emulation include dir: $GLES_INCLUDE"
	echo "Disabling GLES emulation from this build!"
	GLES_SUPPORT=no
	fi
	fi
	if [ -z "$GLES_LIBS" ]; then
	log "GLES : Probing for host libraries"
	GLES_LIBS=$(dirname "$HOST_BIN")/lib
	if [ -d "$GLES_LIBS" ]; then
	echo "GLES : Libs in $GLES_LIBS"
	else
	echo "Warning: Could nof find OpenGLES emulation libraries in: $GLES_LIBS"
	echo "Disabling GLES emulation from this build!"
	GLES_SUPPORT=no
	fi
	fi
	fi
	else
	if [ "$GLES_PROBE" = "yes" ]; then
	GLES_SUPPORT=yes
	if [ -z "$GLES_INCLUDE" ]; then
	log "GLES : Probing for headers"
	GLES_INCLUDE=../../sdk/emulator/opengl/host/include
	if [ -d "$GLES_INCLUDE" ]; then
	log "GLES : Headers in $GLES_INCLUDE"
	else
	echo "Warning: Could not find OpenGLES emulation include dir: $GLES_INCLUDE"
	echo "Disabling GLES emulation from this build!"
	GLES_SUPPORT=no
	fi
	fi
	if [ -z "$GLES_LIBS" ]; then
	log "GLES : Probing for host libraries"
	GLES_LIBS=../../out/host/$OS/lib
	if [ -d "$GLES_LIBS" ]; then
	echo "GLES : Libs in $GLES_LIBS"
	else
	echo "Warning: Could nof find OpenGLES emulation libraries in: $GLES_LIBS"
	echo "Disabling GLES emulation from this build!"
	GLES_SUPPORT=no
	fi
	fi
	fi
	fi # IN_ANDROID_BUILD = no

	if [ "$GLES_SUPPORT" = "yes" ]; then
	if [ -z "$GLES_INCLUDE" -o -z "$GLES_LIBS" ]; then
	echo "ERROR: You must use both --gles-include and --gles-libs at the same time!"
	echo " Or use --no-gles to disable its support from this build."
	exit 1
	fi

	GLES_HEADER=$GLES_INCLUDE/libOpenglRender/render_api.h
	if [ ! -f "$GLES_HEADER" ]; then
	echo "ERROR: Missing OpenGLES emulation header file: $GLES_HEADER"
	echo "Please fix this by using --gles-include to point to the right directory!"
	exit 1
	fi

	mkdir -p objs/lib

	for lib in $GLES_SHARED_LIBRARIES; do
	GLES_LIB=$GLES_LIBS/${lib}$TARGET_DLL_SUFFIX
	if [ ! -f "$GLES_LIB" ]; then
	echo "ERROR: Missing OpenGLES emulation host library: $GLES_LIB"
	echo "Please fix this by using --gles-libs to point to the right directory!"
	if [ "$IN_ANDROID_BUILD" = "true" ]; then
	echo "You might also be missing the library because you forgot to rebuild the whole platform!"
	fi
	exit 1
	fi
	cp $GLES_LIB objs/lib
	if [ $? != 0 ]; then
	echo "ERROR: Could not find required OpenGLES emulation library: $GLES_LIB"
	exit 1
	else
	log "GLES : Copying $GLES_LIB"
	fi
	done
	fi

	# we can build the emulator with Cygwin, so enable it
	enable_cygwin

	setup_toolchain

	###
	### SDL Probe
	###

	if [ -n "$SDL_CONFIG" ] ; then

	# check that we can link statically with the library.
	#
	SDL_CFLAGS=`$SDL_CONFIG --cflags`
	SDL_LIBS=`$SDL_CONFIG --static-libs`

	# quick hack, remove the -D_GNU_SOURCE=1 of some SDL Cflags
	7 # since they break recent Mingw releases
	SDL_CFLAGS=`echo $SDL_CFLAGS \| sed -e s/-D_GNU_SOURCE=1//g`

	log "SDL-probe : SDL_CFLAGS = $SDL_CFLAGS"
	log "SDL-probe : SDL_LIBS = $SDL_LIBS"


	EXTRA_CFLAGS="$SDL_CFLAGS"
	EXTRA_LDFLAGS="$SDL_LIBS"

	case "$OS" in
	freebsd-*)
	EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -lpthread"
	;;
	esac

	cat > $TMPC << EOF
	#include <SDL.h>
	#undef main
	int main( int argc, char** argv ) {
	return SDL_Init (SDL_INIT_VIDEO);
	}
	EOF
	feature_check_link SDL_LINKING

	if [ $SDL_LINKING != "yes" ] ; then
	echo "You provided an explicit sdl-config script, but the corresponding library"
	echo "cannot be statically linked with the Android emulator directly."
	echo "Error message:"
	cat $TMPL
	clean_exit
	fi
	log "SDL-probe : static linking ok"

	# now, let's check that the SDL library has the special functions
	# we added to our own sources
	#
	cat > $TMPC << EOF
	#include <SDL.h>
	#undef main
	int main( int argc, char** argv ) {
	int x, y;
	SDL_Rect r;
	SDL_WM_GetPos(&x, &y);
	SDL_WM_SetPos(x, y);
	SDL_WM_GetMonitorDPI(&x, &y);
	SDL_WM_GetMonitorRect(&r);
	return SDL_Init (SDL_INIT_VIDEO);
	}
	EOF
	feature_check_link SDL_LINKING

	if [ $SDL_LINKING != "yes" ] ; then
	echo "You provided an explicit sdl-config script in SDL_CONFIG, but the"
	echo "corresponding library doesn't have the patches required to link"
	echo "with the Android emulator. Unsetting SDL_CONFIG will use the"
	echo "sources bundled with the emulator instead"
	echo "Error:"
	cat $TMPL
	clean_exit
	fi

	log "SDL-probe : extra features ok"
	clean_temp

	EXTRA_CFLAGS=
	EXTRA_LDFLAGS=
	fi

	###
	### Audio subsystems probes
	###
	PROBE_COREAUDIO=no
	PROBE_ALSA=no
	PROBE_OSS=no
	PROBE_ESD=no
	PROBE_PULSEAUDIO=no
	PROBE_WINAUDIO=no

	case "$TARGET_OS" in
	darwin*) PROBE_COREAUDIO=yes;
	;;
	linux-*) PROBE_ALSA=yes; PROBE_OSS=yes; PROBE_ESD=yes; PROBE_PULSEAUDIO=yes;
	;;
	freebsd-*) PROBE_OSS=yes;
	;;
	windows) PROBE_WINAUDIO=yes
	;;
	esac

	ORG_CFLAGS=$CFLAGS
	ORG_LDFLAGS=$LDFLAGS

	if [ "$OPTION_IGNORE_AUDIO" = "yes" ] ; then
	PROBE_ESD_ESD=no
	PROBE_ALSA=no
	PROBE_PULSEAUDIO=no
	fi

	# Probe a system library
	#
	# $1: Variable name (e.g. PROBE_ESD)
	# $2: Library name (e.g. "Alsa")
	# $3: Path to source file for probe program (e.g. android/config/check-alsa.c)
	# $4: Package name (e.g. libasound-dev)
	#
	probe_system_library ()
	{
	if [ `var_value $1` = yes ] ; then
	CFLAGS="$ORG_CFLAGS"
	LDFLAGS="$ORG_LDFLAGS -ldl"
	cp -f android/config/check-esd.c $TMPC
	compile
	if [ $? = 0 ] ; then
	log "AudioProbe : $2 seems to be usable on this system"
	else
	if [ "$OPTION_IGNORE_AUDIO" = no ] ; then
	echo "The $2 development files do not seem to be installed on this system"
	echo "Are you missing the $4 package ?"
	echo "Correct the errors below and try again:"
	cat $TMPL
	clean_exit
	fi
	eval $1=no
	log "AudioProbe : $2 seems to be UNUSABLE on this system !!"
	fi
	fi
	}

	probe_system_library PROBE_ESD ESounD android/config/check-esd.c libesd-dev
	probe_system_library PROBE_ALSA Alsa android/config/check-alsa.c libasound-dev
	probe_system_library PROBE_PULSEAUDIO PulseAudio android/config/check-pulseaudio.c libpulse-dev

	CFLAGS=$ORG_CFLAGS
	LDFLAGS=$ORG_LDFLAGS

	# create the objs directory that is going to contain all generated files
	# including the configuration ones
	#
	mkdir -p objs

	###
	### Compiler probe
	###

	####
	#### Host system probe
	####

	# because the previous version could be read-only
	rm -f $TMPC

	# check host endianess
	#
	HOST_BIGENDIAN=no
	if [ "$TARGET_OS" = "$OS" ] ; then
	cat > $TMPC << EOF
	#include <inttypes.h>
	int main(int argc, char ** argv){
	volatile uint32_t i=0x01234567;
	return (((uint8_t)(&i))) == 0x01;
	}
	EOF
	feature_run_exec HOST_BIGENDIAN
	fi

	# check size of host long bits
	HOST_LONGBITS=32
	if [ "$TARGET_OS" = "$OS" ] ; then
	cat > $TMPC << EOF
	int main(void) {
	return sizeof(void)8;
	}
	EOF
	feature_run_exec HOST_LONGBITS
	fi

	# check whether we have <byteswap.h>
	#
	feature_check_header HAVE_BYTESWAP_H "<byteswap.h>"
	feature_check_header HAVE_MACHINE_BSWAP_H "<machine/bswap.h>"
	feature_check_header HAVE_FNMATCH_H "<fnmatch.h>"

	# Build the config.make file
	#

	case $TARGET_OS in
	windows)
	TARGET_EXEEXT=.exe
	;;
	*)
	TARGET_EXEEXT=
	;;
	esac

	create_config_mk
	echo "" >> $config_mk
	if [ $TARGET_ARCH = arm ] ; then
	echo "TARGET_ARCH := arm" >> $config_mk
	fi

	if [ $TARGET_ARCH = x86 ] ; then
	echo "TARGET_ARCH := x86" >> $config_mk
	fi

	if [ $TARGET_ARCH = mips ] ; then
	echo "TARGET_ARCH := mips" >> $config_mk
	fi

	echo "HOST_PREBUILT_TAG := $TARGET_OS" >> $config_mk
	echo "HOST_EXEEXT := $TARGET_EXEEXT" >> $config_mk
	echo "PREBUILT := $ANDROID_PREBUILT" >> $config_mk
	echo "PREBUILTS := $ANDROID_PREBUILTS" >> $config_mk

	PWD=`pwd`
	echo "SRC_PATH := $PWD" >> $config_mk
	if [ -n "$SDL_CONFIG" ] ; then
	echo "QEMU_SDL_CONFIG := $SDL_CONFIG" >> $config_mk
	fi
	echo "CONFIG_COREAUDIO := $PROBE_COREAUDIO" >> $config_mk
	echo "CONFIG_WINAUDIO := $PROBE_WINAUDIO" >> $config_mk
	echo "CONFIG_ESD := $PROBE_ESD" >> $config_mk
	echo "CONFIG_ALSA := $PROBE_ALSA" >> $config_mk
	echo "CONFIG_OSS := $PROBE_OSS" >> $config_mk
	echo "CONFIG_PULSEAUDIO := $PROBE_PULSEAUDIO" >> $config_mk
	echo "BUILD_STANDALONE_EMULATOR := true" >> $config_mk
	if [ $OPTION_DEBUG = yes ] ; then
	echo "BUILD_DEBUG_EMULATOR := true" >> $config_mk
	fi
	if [ $OPTION_STATIC = yes ] ; then
	echo "CONFIG_STATIC_EXECUTABLE := true" >> $config_mk
	fi

	if [ -n "$ANDROID_SDK_TOOLS_REVISION" ] ; then
	echo "ANDROID_SDK_TOOLS_REVISION := $ANDROID_SDK_TOOLS_REVISION" >> $config_mk
	fi

	if [ "$OPTION_MINGW" = "yes" ] ; then
	echo "" >> $config_mk
	echo "USE_MINGW := 1" >> $config_mk
	echo "HOST_OS := windows" >> $config_mk
	fi

	if [ "$GLES_INCLUDE" -a "$GLES_LIBS" ]; then
	echo "QEMU_OPENGLES_INCLUDE := $GLES_INCLUDE" >> $config_mk
	echo "QEMU_OPENGLES_LIBS := $GLES_LIBS" >> $config_mk
	fi

	# Build the config-host.h file
	#
	config_h=objs/config-host.h
	echo "/* This file was autogenerated by '$PROGNAME' */" > $config_h
	echo "#define CONFIG_QEMU_SHAREDIR \"/usr/local/share/qemu\"" >> $config_h
	echo "#define HOST_LONG_BITS $HOST_LONGBITS" >> $config_h
	if [ "$HAVE_BYTESWAP_H" = "yes" ] ; then
	echo "#define CONFIG_BYTESWAP_H 1" >> $config_h
	fi
	if [ "$HAVE_MACHINE_BYTESWAP_H" = "yes" ] ; then
	echo "#define CONFIG_MACHINE_BSWAP_H 1" >> $config_h
	fi
	if [ "$HAVE_FNMATCH_H" = "yes" ] ; then
	echo "#define CONFIG_FNMATCH 1" >> $config_h
	fi
	echo "#define CONFIG_GDBSTUB 1" >> $config_h
	echo "#define CONFIG_SLIRP 1" >> $config_h
	echo "#define CONFIG_SKINS 1" >> $config_h
	echo "#define CONFIG_TRACE 1" >> $config_h

	case "$TARGET_OS" in
	windows)
	echo "#define CONFIG_WIN32 1" >> $config_h
	;;
	*)
	echo "#define CONFIG_POSIX 1" >> $config_h
	;;
	esac

	case "$TARGET_OS" in
	linux-*)
	echo "#define CONFIG_KVM_GS_RESTORE 1" >> $config_h
	;;
	esac

	# only Linux has fdatasync()
	case "$TARGET_OS" in
	linux-*)
	echo "#define CONFIG_FDATASYNC 1" >> $config_h
	;;
	esac

	case "$TARGET_OS" in
	linux-\|darwin-)
	echo "#define CONFIG_MADVISE 1" >> $config_h
	;;
	esac

	# the -nand-limits options can only work on non-windows systems
	if [ "$TARGET_OS" != "windows" ] ; then
	echo "#define CONFIG_NAND_LIMITS 1" >> $config_h
	fi
	echo "#define QEMU_VERSION \"0.10.50\"" >> $config_h
	echo "#define QEMU_PKGVERSION \"Android\"" >> $config_h
	case "$CPU" in
	x86) CONFIG_CPU=I386
	;;
	ppc) CONFIG_CPU=PPC
	;;
	x86_64) CONFIG_CPU=X86_64
	;;
	*) CONFIG_CPU=$CPU
	;;
	esac
	echo "#define HOST_$CONFIG_CPU 1" >> $config_h
	if [ "$HOST_BIGENDIAN" = "1" ] ; then
	echo "#define HOST_WORDS_BIGENDIAN 1" >> $config_h
	fi
	BSD=0
	case "$TARGET_OS" in
	linux-*) CONFIG_OS=LINUX
	;;
	darwin-*) CONFIG_OS=DARWIN
	BSD=1
	;;
	freebsd-*) CONFIG_OS=FREEBSD
	BSD=1
	;;
	windows*) CONFIG_OS=WIN32
	;;
	*) CONFIG_OS=$OS
	esac

	if [ "$OPTION_STATIC" = "yes" ] ; then
	echo "CONFIG_STATIC_EXECUTABLE := true" >> $config_mk
	echo "#define CONFIG_STATIC_EXECUTABLE 1" >> $config_h
	fi

	case $TARGET_OS in
	linux-\|darwin-)
	echo "#define CONFIG_IOVEC 1" >> $config_h
	;;
	esac

	echo "#define CONFIG_$CONFIG_OS 1" >> $config_h
	if [ $BSD = 1 ] ; then
	echo "#define CONFIG_BSD 1" >> $config_h
	echo "#define O_LARGEFILE 0" >> $config_h
	echo "#define MAP_ANONYMOUS MAP_ANON" >> $config_h
	fi

	echo "#define CONFIG_ANDROID 1" >> $config_h

	if [ "$GLES_INCLUDE" -a "$GLES_LIBS" ]; then
	echo "#define CONFIG_ANDROID_OPENGLES 1" >> $config_h
	fi

	log "Generate : $config_h"

	echo "Ready to go. Type 'make' to build emulator"