[pcsx_rearmed.git] / configure

#!/bin/sh
# some elements originated from qemu configure
set -e

TMPC="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}.c"
TMPO="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}.o"
TMPB="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}"
trap "rm -f $TMPC $TMPO $TMPB" EXIT INT QUIT TERM
rm -f config.log

compile_object()
{
  c="$CC $CFLAGS -c $TMPC -o $TMPO $@"
  echo $c >> config.log
  $c >> config.log 2>&1
}

compile_binary()
{
  c="$CC $CFLAGS $TMPC -o $TMPB $LDFLAGS $MAIN_LDLIBS $@"
  echo $c >> config.log
  $c >> config.log 2>&1
}

check_define()
{
  echo "" > $TMPC
  $CC -E -dD $CFLAGS $TMPC | grep -q $1 || return 1
  return 0
}

# setting options to "yes" or "no" will make that choice default,
# "" means "autodetect".

platform_list="generic pandora maemo caanoo libretro"
platform="generic"
builtin_gpu_list="peops unai neon"
builtin_gpu=""
sound_driver_list="oss alsa sdl pulseaudio libretro"
sound_drivers=""
plugins="plugins/spunull/spunull.so \
plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
ram_fixed="no"
drc_cache_base="no"
have_armv6=""
have_armv7=""
have_arm_neon=""
have_tslib=""
enable_dynarec="yes"
need_sdl="no"
need_libpicofe="yes"
need_warm="no"
# these are for known platforms
optimize_cortexa8="no"
optimize_arm926ej="no"

# hardcoded stuff
CC="${CC-${CROSS_COMPILE}gcc}"
CXX="${CXX-${CROSS_COMPILE}g++}"
AS="${AS-${CROSS_COMPILE}as}"
AR="${AS-${CROSS_COMPILE}ar}"
MAIN_LDLIBS="$LDLIBS -ldl -lm"
config_mak="config.mak"

fail()
{
  echo "$@"
  exit 1
}

# call during arg parsing, so that cmd line can override platform defaults
set_platform()
{
  platform=$1
  case "$platform" in
  generic)
    ;;
  pandora)
    sound_drivers="oss alsa"
    ram_fixed="yes"
    drc_cache_base="yes"
    optimize_cortexa8="yes"
    have_arm_neon="yes"
    ;;
  maemo)
    ram_fixed="yes"
    drc_cache_base="yes"
    optimize_cortexa8="yes"
    have_arm_neon="yes"
    ;;
  caanoo)
    sound_drivers="oss"
    ram_fixed="yes"
    drc_cache_base="yes"
    optimize_arm926ej="yes"
    need_warm="yes"
    ;;
  libretro)
    sound_drivers="libretro"
    need_libpicofe="no"
    ;;
  *)
    fail "unsupported platform: $platform"
    ;;
  esac
}

for opt do
  optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
  case "$opt" in
  --help|-h) show_help="yes"
  ;;
  --platform=*) set_platform "$optarg"
  ;;
  --gpu=*) builtin_gpu="$optarg"
  ;;
  --sound-drivers=*) sound_drivers="$optarg"
  ;;
  --enable-neon) have_arm_neon="yes"
  ;;
  --disable-neon) have_arm_neon="no"
  ;;
  --disable-dynarec) enable_dynarec="no"
  ;;
  *) echo "ERROR: unknown option $opt"; show_help="yes"
  ;;
  esac
done

if [ "$show_help" = "yes" ]; then
  echo "options:"
  echo "  --help                   print this message"
  echo "  --platform=NAME          target platform [$platform]"
  echo "                           available: $platform_list"
  echo "  --gpu=NAME               builtin gpu plugin [guessed]"
  echo "                           available: $builtin_gpu_list"
  echo "  --sound-drivers=LIST     sound output drivers [guessed]"
  echo "                           available: $sound_driver_list"
  echo "  --enable-neon"
  echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
  echo "  --disable-dynarec        disable dynamic recompiler"
  echo "                           (dynarec is only available and enabled on ARM)"
  echo "influential environment variables:"
  echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
  exit 1
fi

# validate selections
if [ "x$builtin_gpu" != "x" ]; then
  if ! echo $builtin_gpu_list | grep -q "\<$builtin_gpu\>"; then
    fail "unsupported builtin gpu plugin: $builtin_gpu"
  fi
fi

if [ "x$sound_drivers" != "x" ]; then
  for d in $sound_drivers; do
    if ! echo $sound_driver_list | grep -q "\<$d\>"; then
      fail "unsupported sound driver: $sound_driver"
    fi
  done
fi

if [ "$need_libpicofe" = "yes" ]; then
  if ! test -f "frontend/libpicofe/README"; then
    fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
  fi
fi

if [ "$need_warm" = "yes" ]; then
  if ! test -f "frontend/warm/README"; then
    fail "wARM is missing, please run 'git submodule init && git submodule update'"
  fi
fi

if [ -z "$ARCH" ]; then
  ARCH=`$CC -v 2>&1 | grep -i 'target:' | awk '{print $2}' \
        | awk -F '-' '{print $1}'`
fi

# ARM stuff
if [ "$ARCH" = "arm" ]; then
  if [ "$optimize_cortexa8" = "yes" ]; then
    CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
    ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
  fi
  if [ "$optimize_arm926ej" = "yes" ]; then
    CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
    ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
  fi

  if [ "x$have_arm_neon" = "x" ]; then
    # detect NEON from user-supplied cflags to enable asm code
    have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
  fi
  if [ "x$have_armv6" = "x" ]; then
    have_armv6=`check_define __ARM_ARCH_6 && echo yes` || true
  fi
  if [ "x$have_armv7" = "x" ]; then
    if check_define __ARM_ARCH_7A__; then
      have_armv6="yes"
      have_armv7="yes"
    fi
  fi

  if [ "x$builtin_gpu" = "x" ]; then
    if [ "$have_arm_neon" = "yes" ]; then
      builtin_gpu="neon"
    elif [ "$have_armv7" != "yes" ]; then
      # pre-ARMv7 hardware is usually not fast enough for peops
      builtin_gpu="unai"
    else
      builtin_gpu="peops"
    fi
  fi

  # automatically set mfpu and mfloat-abi if they are not set
  if [ "$have_arm_neon" = "yes" ]; then
    echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=neon"
    echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=neon"
  elif [ "$have_armv6" = "yes" ]; then
    echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=vfp"
    echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=vfp"
  fi
  floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
  if [ "$floatabi_set_by_gcc" != "yes" -a "$have_armv6" = "yes" ]; then
    echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
    echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
  fi

  # must disable thumb as recompiler can't handle it
  if check_define __thumb__; then
    CFLAGS="$CFLAGS -marm"
  fi

  if [ "$have_armv7" = "yes" ]; then
    ASFLAGS="$ASFLAGS --defsym HAVE_ARMV7=1"
  else
    ASFLAGS="$ASFLAGS --defsym HAVE_ARMV7=0"
  fi
else
  # dynarec only available on ARM
  enable_dynarec="no"
fi

if [ "x$builtin_gpu" = "x" ]; then
  builtin_gpu="peops"
fi

#if [ "$ARCH" = "x86_64" ]; then
  # currently we are full of 32bit assumptions,
  # at least savestate compatibility will break without these
#  CFLAGS="$CFLAGS -m32"
#  LDFLAGS="$LDFLAGS -m32"
#fi

# supposedly we can avoid -fPIC on armv5 for slightly better performace?
if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
  PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
fi

if [ "$ram_fixed" = "yes" ]; then
  CFLAGS="$CFLAGS -DRAM_FIXED"
fi

case "$platform" in
generic)
  need_sdl="yes"
  ;;
maemo)
  maemo_cflags=`pkg-config --cflags hildon-1`
  maemo_ldlibs=`pkg-config --libs hildon-1`
  CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES $maemo_cflags"
  MAIN_LDLIBS="$MAIN_LDLIBS $maemo_ldlibs"
  ;;
libretro)
  CFLAGS="$CFLAGS -fPIC"
  LDFLAGS="$LDFLAGS -shared"
  ;;
esac

# header/library presence tests
check_zlib()
{
  cat > $TMPC <<EOF
  #include <zlib.h>
  int main(void) { uncompress(0, 0, 0, 0); }
EOF
  compile_binary
}

check_bzlib()
{
  cat > $TMPC <<EOF
  #include <bzlib.h>
  void main() { BZ2_bzBuffToBuffDecompress(0, 0, 0, 0, 0, 0); }
EOF
  compile_object
}

check_libpng()
{
  cat > $TMPC <<EOF
  #include <png.h>
  void main() { png_init_io(0, 0); }
EOF
  compile_binary
}

check_oss()
{
  cat > $TMPC <<EOF
  #include <sys/soundcard.h>
  #include <sys/ioctl.h>
  void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
EOF
  compile_binary
}

check_alsa()
{
  cat > $TMPC <<EOF
  #include <alsa/asoundlib.h>
  void main() { snd_pcm_open(0, 0, 0, 0); }
EOF
  compile_binary "$@"
}

check_sdl()
{
  cat > $TMPC <<EOF
  #include <SDL.h>
  void main() { SDL_OpenAudio(0, 0); }
EOF
  compile_binary "$@"
}

MAIN_LDLIBS="$MAIN_LDLIBS -lz"
check_zlib || fail "please install zlib (libz-dev)"

check_bzlib || fail "please install bz2lib (libbz2-dev)"

MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
check_libpng || fail "please install libpng (libpng-dev)"

# find what audio support we can compile
if [ "x$sound_drivers" = "x" ]; then
  if check_oss; then sound_drivers="$sound_drivers oss"; fi
  if check_alsa -lasound; then
    sound_drivers="$sound_drivers alsa"
    MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
  fi
  if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
    sound_drivers="$sound_drivers sdl"
    need_sdl="yes"
  fi
else
  if echo $sound_drivers | grep -q "\<oss\>"; then
    check_oss || fail "oss support is missing"
  fi
  if echo $sound_drivers | grep -q "\<alsa\>"; then
    MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
    check_alsa || fail "please install libasound2-dev"
  fi
fi

if [ "$need_sdl" = "yes" ]; then
  which sdl-config > /dev/null || \
    fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
  CFLAGS="$CFLAGS `sdl-config --cflags`"
  MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
  check_sdl || fail "please install libsdl (libsdl1.2-dev)"
fi

# check for tslib (only headers needed)
if [ "x$have_tslib" = "x" ]; then
  cat > $TMPC <<EOF
  #include <tslib.h>
  void test(struct ts_sample sample) {}
EOF
  if compile_object; then
    have_tslib="yes"
  else
    have_tslib="no"
  fi
fi

# check for GLES headers
cat > $TMPC <<EOF
#include <GLES/gl.h>
#include <GLES/glext.h>
#include <EGL/egl.h>
void *test(void) {
  return eglGetDisplay( (EGLNativeDisplayType)0 );
}
EOF
if compile_object; then
  plugins="$plugins plugins/gpu-gles/gpu_gles.so"
fi

if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
  plugins="$plugins plugins/gpu_neon/gpu_neon.so"
fi

cat > $TMPC <<EOF
void test(void *f, void *d) { fread(d, 1, 1, f); }
EOF
if compile_object -Wno-unused-result; then
  CFLAGS="$CFLAGS -Wno-unused-result"
fi

# short plugin list for display
for p in $plugins; do
  p1=`basename $p`
  plugins_short="$p1 $plugins_short"
done

# set things that failed to autodetect to "no"
test "x$have_armv6" != "x" || have_armv6="no"
test "x$have_armv7" != "x" || have_armv7="no"
test "x$have_arm_neon" != "x" || have_arm_neon="no"

echo "architecture        $ARCH"
echo "platform            $platform"
echo "built-in GPU        $builtin_gpu"
echo "sound drivers       $sound_drivers"
echo "plugins             $plugins_short"
echo "C compiler          $CC"
echo "C compiler flags    $CFLAGS"
echo "libraries           $MAIN_LDLIBS"
echo "linker flags        $LDFLAGS"
echo "enable dynarec      $enable_dynarec"
echo "ARMv7 optimizations $have_armv7"
echo "enable ARM NEON     $have_arm_neon"
echo "tslib support       $have_tslib"

echo "# Automatically generated by configure" > $config_mak
printf "# Configured with:" >> $config_mak
printf " '%s'" "$0" "$@" >> $config_mak
echo >> $config_mak

echo "CC = $CC" >> $config_mak
echo "CXX = $CXX" >> $config_mak
echo "AS = $AS" >> $config_mak
echo "CFLAGS += $CFLAGS" >> $config_mak
echo "ASFLAGS += $ASFLAGS" >> $config_mak
echo "LDFLAGS += $LDFLAGS" >> $config_mak
echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
echo >> $config_mak

if [ "$platform" = "libretro" ]; then
  echo "TARGET = libretro.so" >> $config_mak
fi
echo "ARCH = $ARCH" >> $config_mak
echo "PLATFORM = $platform" >> $config_mak
echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
if [ "$ARCH" = "arm" ]; then
  echo "PLUGINS = $plugins" >> $config_mak
else
  echo -n "PLUGINS =" >> $config_mak
  for p in $plugins; do
    echo -n " ${p}.${ARCH}" >> $config_mak
  done
  echo >> $config_mak
fi
if [ "$have_armv6" = "yes" ]; then
  echo "HAVE_ARMV6 = 1" >> $config_mak
fi
if [ "$have_armv7" = "yes" ]; then
  echo "HAVE_ARMV7 = 1" >> $config_mak
fi
if [ "$have_arm_neon" = "yes" ]; then
  echo "HAVE_NEON = 1" >> $config_mak
fi
if [ "$have_tslib" = "yes" ]; then
  echo "HAVE_TSLIB = 1" >> $config_mak
fi
if [ "$enable_dynarec" = "yes" ]; then
  echo "USE_DYNAREC = 1" >> $config_mak
fi
if [ "$drc_cache_base" = "yes" ]; then
  echo "DRC_CACHE_BASE = 1" >> $config_mak
fi

# use pandora's skin (for now)
test -e skin || ln -s frontend/pandora/skin skin

# vim:shiftwidth=2:expandtab
Commit	Line	Data
	1	#!/bin/sh
	2	# some elements originated from qemu configure
	3	set -e
	4
	5	TMPC="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}.c"
	6	TMPO="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}.o"
	7	TMPB="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}"
	8	trap "rm -f $TMPC $TMPO $TMPB" EXIT INT QUIT TERM
	9	rm -f config.log
	10
	11	compile_object()
	12	{
	13	c="$CC $CFLAGS -c $TMPC -o $TMPO $@"
	14	echo $c >> config.log
	15	$c >> config.log 2>&1
	16	}
	17
	18	compile_binary()
	19	{
	20	c="$CC $CFLAGS $TMPC -o $TMPB $LDFLAGS $MAIN_LDLIBS $@"
	21	echo $c >> config.log
	22	$c >> config.log 2>&1
	23	}
	24
	25	check_define()
	26	{
	27	echo "" > $TMPC
	28	$CC -E -dD $CFLAGS $TMPC \| grep -q $1 \|\| return 1
	29	return 0
	30	}
	31
	32	# setting options to "yes" or "no" will make that choice default,
	33	# "" means "autodetect".
	34
	35	platform_list="generic pandora maemo caanoo libretro"
	36	platform="generic"
	37	builtin_gpu_list="peops unai neon"
	38	builtin_gpu=""
	39	sound_driver_list="oss alsa sdl pulseaudio libretro"
	40	sound_drivers=""
	41	plugins="plugins/spunull/spunull.so \
	42	plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
	43	ram_fixed="no"
	44	drc_cache_base="no"
	45	have_armv6=""
	46	have_armv7=""
	47	have_arm_neon=""
	48	have_tslib=""
	49	enable_dynarec="yes"
	50	need_sdl="no"
	51	need_libpicofe="yes"
	52	need_warm="no"
	53	# these are for known platforms
	54	optimize_cortexa8="no"
	55	optimize_arm926ej="no"
	56
	57	# hardcoded stuff
	58	CC="${CC-${CROSS_COMPILE}gcc}"
	59	CXX="${CXX-${CROSS_COMPILE}g++}"
	60	AS="${AS-${CROSS_COMPILE}as}"
	61	AR="${AS-${CROSS_COMPILE}ar}"
	62	MAIN_LDLIBS="$LDLIBS -ldl -lm"
	63	config_mak="config.mak"
	64
	65	fail()
	66	{
	67	echo "$@"
	68	exit 1
	69	}
	70
	71	# call during arg parsing, so that cmd line can override platform defaults
	72	set_platform()
	73	{
	74	platform=$1
	75	case "$platform" in
	76	generic)
	77	;;
	78	pandora)
	79	sound_drivers="oss alsa"
	80	ram_fixed="yes"
	81	drc_cache_base="yes"
	82	optimize_cortexa8="yes"
	83	have_arm_neon="yes"
	84	;;
	85	maemo)
	86	ram_fixed="yes"
	87	drc_cache_base="yes"
	88	optimize_cortexa8="yes"
	89	have_arm_neon="yes"
	90	;;
	91	caanoo)
	92	sound_drivers="oss"
	93	ram_fixed="yes"
	94	drc_cache_base="yes"
	95	optimize_arm926ej="yes"
	96	need_warm="yes"
	97	;;
	98	libretro)
	99	sound_drivers="libretro"
	100	need_libpicofe="no"
	101	;;
	102	*)
	103	fail "unsupported platform: $platform"
	104	;;
	105	esac
	106	}
	107
	108	for opt do
	109	optarg=`expr "x$opt" : 'x[^=]=\(.\)'` \|\| true
	110	case "$opt" in
	111	--help\|-h) show_help="yes"
	112	;;
	113	--platform=*) set_platform "$optarg"
	114	;;
	115	--gpu=*) builtin_gpu="$optarg"
	116	;;
	117	--sound-drivers=*) sound_drivers="$optarg"
	118	;;
	119	--enable-neon) have_arm_neon="yes"
	120	;;
	121	--disable-neon) have_arm_neon="no"
	122	;;
	123	--disable-dynarec) enable_dynarec="no"
	124	;;
	125	*) echo "ERROR: unknown option $opt"; show_help="yes"
	126	;;
	127	esac
	128	done
	129
	130	if [ "$show_help" = "yes" ]; then
	131	echo "options:"
	132	echo " --help print this message"
	133	echo " --platform=NAME target platform [$platform]"
	134	echo " available: $platform_list"
	135	echo " --gpu=NAME builtin gpu plugin [guessed]"
	136	echo " available: $builtin_gpu_list"
	137	echo " --sound-drivers=LIST sound output drivers [guessed]"
	138	echo " available: $sound_driver_list"
	139	echo " --enable-neon"
	140	echo " --disable-neon enable/disable ARM NEON optimizations [guessed]"
	141	echo " --disable-dynarec disable dynamic recompiler"
	142	echo " (dynarec is only available and enabled on ARM)"
	143	echo "influential environment variables:"
	144	echo " CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
	145	exit 1
	146	fi
	147
	148	# validate selections
	149	if [ "x$builtin_gpu" != "x" ]; then
	150	if ! echo $builtin_gpu_list \| grep -q "\<$builtin_gpu\>"; then
	151	fail "unsupported builtin gpu plugin: $builtin_gpu"
	152	fi
	153	fi
	154
	155	if [ "x$sound_drivers" != "x" ]; then
	156	for d in $sound_drivers; do
	157	if ! echo $sound_driver_list \| grep -q "\<$d\>"; then
	158	fail "unsupported sound driver: $sound_driver"
	159	fi
	160	done
	161	fi
	162
	163	if [ "$need_libpicofe" = "yes" ]; then
	164	if ! test -f "frontend/libpicofe/README"; then
	165	fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
	166	fi
	167	fi
	168
	169	if [ "$need_warm" = "yes" ]; then
	170	if ! test -f "frontend/warm/README"; then
	171	fail "wARM is missing, please run 'git submodule init && git submodule update'"
	172	fi
	173	fi
	174
	175	if [ -z "$ARCH" ]; then
	176	ARCH=`$CC -v 2>&1 \| grep -i 'target:' \| awk '{print $2}' \
	177	\| awk -F '-' '{print $1}'`
	178	fi
	179
	180	# ARM stuff
	181	if [ "$ARCH" = "arm" ]; then
	182	if [ "$optimize_cortexa8" = "yes" ]; then
	183	CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
	184	ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
	185	fi
	186	if [ "$optimize_arm926ej" = "yes" ]; then
	187	CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
	188	ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
	189	fi
	190
	191	if [ "x$have_arm_neon" = "x" ]; then
	192	# detect NEON from user-supplied cflags to enable asm code
	193	have_arm_neon=`check_define __ARM_NEON__ && echo yes` \|\| true
	194	fi
	195	if [ "x$have_armv6" = "x" ]; then
	196	have_armv6=`check_define __ARM_ARCH_6 && echo yes` \|\| true
	197	fi
	198	if [ "x$have_armv7" = "x" ]; then
	199	if check_define __ARM_ARCH_7A__; then
	200	have_armv6="yes"
	201	have_armv7="yes"
	202	fi
	203	fi
	204
	205	if [ "x$builtin_gpu" = "x" ]; then
	206	if [ "$have_arm_neon" = "yes" ]; then
	207	builtin_gpu="neon"
	208	elif [ "$have_armv7" != "yes" ]; then
	209	# pre-ARMv7 hardware is usually not fast enough for peops
	210	builtin_gpu="unai"
	211	else
	212	builtin_gpu="peops"
	213	fi
	214	fi
	215
	216	# automatically set mfpu and mfloat-abi if they are not set
	217	if [ "$have_arm_neon" = "yes" ]; then
	218	echo "$CFLAGS" \| grep -q -- '-mfpu=' \|\| CFLAGS="$CFLAGS -mfpu=neon"
	219	echo "$ASFLAGS" \| grep -q -- '-mfpu=' \|\| ASFLAGS="$ASFLAGS -mfpu=neon"
	220	elif [ "$have_armv6" = "yes" ]; then
	221	echo "$CFLAGS" \| grep -q -- '-mfpu=' \|\| CFLAGS="$CFLAGS -mfpu=vfp"
	222	echo "$ASFLAGS" \| grep -q -- '-mfpu=' \|\| ASFLAGS="$ASFLAGS -mfpu=vfp"
	223	fi
	224	floatabi_set_by_gcc=`$CC -v 2>&1 \| grep -q -- --with-float= && echo yes` \|\| true
	225	if [ "$floatabi_set_by_gcc" != "yes" -a "$have_armv6" = "yes" ]; then
	226	echo "$CFLAGS" \| grep -q -- '-mfloat-abi=' \|\| CFLAGS="$CFLAGS -mfloat-abi=softfp"
	227	echo "$ASFLAGS" \| grep -q -- '-mfloat-abi=' \|\| ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
	228	fi
	229
	230	# must disable thumb as recompiler can't handle it
	231	if check_define __thumb__; then
	232	CFLAGS="$CFLAGS -marm"
	233	fi
	234
	235	if [ "$have_armv7" = "yes" ]; then
	236	ASFLAGS="$ASFLAGS --defsym HAVE_ARMV7=1"
	237	else
	238	ASFLAGS="$ASFLAGS --defsym HAVE_ARMV7=0"
	239	fi
	240	else
	241	# dynarec only available on ARM
	242	enable_dynarec="no"
	243	fi
	244
	245	if [ "x$builtin_gpu" = "x" ]; then
	246	builtin_gpu="peops"
	247	fi
	248
	249	#if [ "$ARCH" = "x86_64" ]; then
	250	# currently we are full of 32bit assumptions,
	251	# at least savestate compatibility will break without these
	252	# CFLAGS="$CFLAGS -m32"
	253	# LDFLAGS="$LDFLAGS -m32"
	254	#fi
	255
	256	# supposedly we can avoid -fPIC on armv5 for slightly better performace?
	257	if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
	258	PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
	259	fi
	260
	261	if [ "$ram_fixed" = "yes" ]; then
	262	CFLAGS="$CFLAGS -DRAM_FIXED"
	263	fi
	264
	265	case "$platform" in
	266	generic)
	267	need_sdl="yes"
	268	;;
	269	maemo)
	270	maemo_cflags=`pkg-config --cflags hildon-1`
	271	maemo_ldlibs=`pkg-config --libs hildon-1`
	272	CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES $maemo_cflags"
	273	MAIN_LDLIBS="$MAIN_LDLIBS $maemo_ldlibs"
	274	;;
	275	libretro)
	276	CFLAGS="$CFLAGS -fPIC"
	277	LDFLAGS="$LDFLAGS -shared"
	278	;;
	279	esac
	280
	281	# header/library presence tests
	282	check_zlib()
	283	{
	284	cat > $TMPC <<EOF
	285	#include <zlib.h>
	286	int main(void) { uncompress(0, 0, 0, 0); }
	287	EOF
	288	compile_binary
	289	}
	290
	291	check_bzlib()
	292	{
	293	cat > $TMPC <<EOF
	294	#include <bzlib.h>
	295	void main() { BZ2_bzBuffToBuffDecompress(0, 0, 0, 0, 0, 0); }
	296	EOF
	297	compile_object
	298	}
	299
	300	check_libpng()
	301	{
	302	cat > $TMPC <<EOF
	303	#include <png.h>
	304	void main() { png_init_io(0, 0); }
	305	EOF
	306	compile_binary
	307	}
	308
	309	check_oss()
	310	{
	311	cat > $TMPC <<EOF
	312	#include <sys/soundcard.h>
	313	#include <sys/ioctl.h>
	314	void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
	315	EOF
	316	compile_binary
	317	}
	318
	319	check_alsa()
	320	{
	321	cat > $TMPC <<EOF
	322	#include <alsa/asoundlib.h>
	323	void main() { snd_pcm_open(0, 0, 0, 0); }
	324	EOF
	325	compile_binary "$@"
	326	}
	327
	328	check_sdl()
	329	{
	330	cat > $TMPC <<EOF
	331	#include <SDL.h>
	332	void main() { SDL_OpenAudio(0, 0); }
	333	EOF
	334	compile_binary "$@"
	335	}
	336
	337	MAIN_LDLIBS="$MAIN_LDLIBS -lz"
	338	check_zlib \|\| fail "please install zlib (libz-dev)"
	339
	340	check_bzlib \|\| fail "please install bz2lib (libbz2-dev)"
	341
	342	MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
	343	check_libpng \|\| fail "please install libpng (libpng-dev)"
	344
	345	# find what audio support we can compile
	346	if [ "x$sound_drivers" = "x" ]; then
	347	if check_oss; then sound_drivers="$sound_drivers oss"; fi
	348	if check_alsa -lasound; then
	349	sound_drivers="$sound_drivers alsa"
	350	MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
	351	fi
	352	if [ "$need_sdl" = "yes" ] \|\| check_sdl `sdl-config --cflags --libs`; then
	353	sound_drivers="$sound_drivers sdl"
	354	need_sdl="yes"
	355	fi
	356	else
	357	if echo $sound_drivers \| grep -q "\<oss\>"; then
	358	check_oss \|\| fail "oss support is missing"
	359	fi
	360	if echo $sound_drivers \| grep -q "\<alsa\>"; then
	361	MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
	362	check_alsa \|\| fail "please install libasound2-dev"
	363	fi
	364	fi
	365
	366	if [ "$need_sdl" = "yes" ]; then
	367	which sdl-config > /dev/null \|\| \
	368	fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
	369	CFLAGS="$CFLAGS `sdl-config --cflags`"
	370	MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
	371	check_sdl \|\| fail "please install libsdl (libsdl1.2-dev)"
	372	fi
	373
	374	# check for tslib (only headers needed)
	375	if [ "x$have_tslib" = "x" ]; then
	376	cat > $TMPC <<EOF
	377	#include <tslib.h>
	378	void test(struct ts_sample sample) {}
	379	EOF
	380	if compile_object; then
	381	have_tslib="yes"
	382	else
	383	have_tslib="no"
	384	fi
	385	fi
	386
	387	# check for GLES headers
	388	cat > $TMPC <<EOF
	389	#include <GLES/gl.h>
	390	#include <GLES/glext.h>
	391	#include <EGL/egl.h>
	392	void *test(void) {
	393	return eglGetDisplay( (EGLNativeDisplayType)0 );
	394	}
	395	EOF
	396	if compile_object; then
	397	plugins="$plugins plugins/gpu-gles/gpu_gles.so"
	398	fi
	399
	400	if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
	401	plugins="$plugins plugins/gpu_neon/gpu_neon.so"
	402	fi
	403
	404	cat > $TMPC <<EOF
	405	void test(void f, void d) { fread(d, 1, 1, f); }
	406	EOF
	407	if compile_object -Wno-unused-result; then
	408	CFLAGS="$CFLAGS -Wno-unused-result"
	409	fi
	410
	411	# short plugin list for display
	412	for p in $plugins; do
	413	p1=`basename $p`
	414	plugins_short="$p1 $plugins_short"
	415	done
	416
	417	# set things that failed to autodetect to "no"
	418	test "x$have_armv6" != "x" \|\| have_armv6="no"
	419	test "x$have_armv7" != "x" \|\| have_armv7="no"
	420	test "x$have_arm_neon" != "x" \|\| have_arm_neon="no"
	421
	422	echo "architecture $ARCH"
	423	echo "platform $platform"
	424	echo "built-in GPU $builtin_gpu"
	425	echo "sound drivers $sound_drivers"
	426	echo "plugins $plugins_short"
	427	echo "C compiler $CC"
	428	echo "C compiler flags $CFLAGS"
	429	echo "libraries $MAIN_LDLIBS"
	430	echo "linker flags $LDFLAGS"
	431	echo "enable dynarec $enable_dynarec"
	432	echo "ARMv7 optimizations $have_armv7"
	433	echo "enable ARM NEON $have_arm_neon"
	434	echo "tslib support $have_tslib"
	435
	436	echo "# Automatically generated by configure" > $config_mak
	437	printf "# Configured with:" >> $config_mak
	438	printf " '%s'" "$0" "$@" >> $config_mak
	439	echo >> $config_mak
	440
	441	echo "CC = $CC" >> $config_mak
	442	echo "CXX = $CXX" >> $config_mak
	443	echo "AS = $AS" >> $config_mak
	444	echo "CFLAGS += $CFLAGS" >> $config_mak
	445	echo "ASFLAGS += $ASFLAGS" >> $config_mak
	446	echo "LDFLAGS += $LDFLAGS" >> $config_mak
	447	echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
	448	echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
	449	echo >> $config_mak
	450
	451	if [ "$platform" = "libretro" ]; then
	452	echo "TARGET = libretro.so" >> $config_mak
	453	fi
	454	echo "ARCH = $ARCH" >> $config_mak
	455	echo "PLATFORM = $platform" >> $config_mak
	456	echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
	457	echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
	458	if [ "$ARCH" = "arm" ]; then
	459	echo "PLUGINS = $plugins" >> $config_mak
	460	else
	461	echo -n "PLUGINS =" >> $config_mak
	462	for p in $plugins; do
	463	echo -n " ${p}.${ARCH}" >> $config_mak
	464	done
	465	echo >> $config_mak
	466	fi
	467	if [ "$have_armv6" = "yes" ]; then
	468	echo "HAVE_ARMV6 = 1" >> $config_mak
	469	fi
	470	if [ "$have_armv7" = "yes" ]; then
	471	echo "HAVE_ARMV7 = 1" >> $config_mak
	472	fi
	473	if [ "$have_arm_neon" = "yes" ]; then
	474	echo "HAVE_NEON = 1" >> $config_mak
	475	fi
	476	if [ "$have_tslib" = "yes" ]; then
	477	echo "HAVE_TSLIB = 1" >> $config_mak
	478	fi
	479	if [ "$enable_dynarec" = "yes" ]; then
	480	echo "USE_DYNAREC = 1" >> $config_mak
	481	fi
	482	if [ "$drc_cache_base" = "yes" ]; then
	483	echo "DRC_CACHE_BASE = 1" >> $config_mak
	484	fi
	485
	486	# use pandora's skin (for now)
	487	test -e skin \|\| ln -s frontend/pandora/skin skin
	488
	489	# vim:shiftwidth=2:expandtab