[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 pulseaudio sdl 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=""
have_gles=""
enable_dynarec="yes"
need_sdl="no"
need_libpicofe="yes"
need_warm="no"
CFLAGS_GLES=""
LDLIBS_GLES=""
# 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 [ "$have_arm_neon" = "yes" ]; then
    fpu="neon"
  elif [ "$have_armv6" = "yes" ]; then
    fpu="vfp"
  fi
  if [ "x$fpu" != "x" ]; then
    echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
    echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
    floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
    if [ "$floatabi_set_by_gcc" != "yes" ]; then
      echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
      echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
    fi
  fi

  # must disable thumb as recompiler can't handle it
  if check_define __thumb__; then
    CFLAGS="$CFLAGS -marm"
  fi
else
  # dynarec only available on ARM
  enable_dynarec="no"
fi

if [ "x$builtin_gpu" = "x" ]; then
  builtin_gpu="peops"
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"
  MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
  ;;
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_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_pulseaudio()
{
  cat > $TMPC <<EOF
  #include <pulse/pulseaudio.h>
  void main() { pa_threaded_mainloop_new(); }
EOF
  compile_binary "$@"
}

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)"

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 $MAIN_LDLIBS"
  fi
  if check_pulseaudio -lpulse; then
    sound_drivers="$sound_drivers pulseaudio"
    MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
  fi
  if [ "$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
  if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
    MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
    check_pulseaudio || fail "pulseaudio support is missing"
  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 VideoCore stuff for Raspberry Pi
if [ -d /opt/vc/include -a -d /opt/vc/lib ]; then
  CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads"
  LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
fi

# check for GLES headers
cat > $TMPC <<EOF
#include <GLES/gl.h>
#include <EGL/egl.h>
int main(void) {
  return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
}
EOF
if compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
  have_gles="yes"
  LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
  have_gles="yes"
  LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
fi

if [ "$have_gles" = "yes" ]; then
  plugins="$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        $LDFLAGS$MAIN_LDFLAGS"
echo "enable dynarec      $enable_dynarec"
echo "ARMv7 optimizations $have_armv7"
echo "enable ARM NEON     $have_arm_neon"
echo "tslib support       $have_tslib"
if [ "$platform" = "generic" ]; then
  echo "OpenGL ES output    $have_gles"
fi

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_LDFLAGS += $MAIN_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
echo "PLUGINS = $plugins" >> $config_mak
if [ "$have_arm_neon" = "yes" ]; then
  echo "HAVE_NEON = 1" >> $config_mak
fi
if [ "$have_tslib" = "yes" ]; then
  echo "HAVE_TSLIB = 1" >> $config_mak
fi
if [ "$have_gles" = "yes" ]; then
  echo "HAVE_GLES = 1" >> $config_mak
  echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
  echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
fi
if [ "$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 $1 \|\| return 1
	29	return 0
	30	}
	31
	32	# setting options to "yes" or "no" will make that choice default,
	33	# "" means "autodetect".
	34
	35	platform_list="generic pandora maemo caanoo libretro"
	36	platform="generic"
	37	builtin_gpu_list="peops unai neon"
	38	builtin_gpu=""
	39	sound_driver_list="oss alsa pulseaudio sdl libretro"
	40	sound_drivers=""
	41	plugins="plugins/spunull/spunull.so \
	42	plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
	43	ram_fixed="no"
	44	drc_cache_base="no"
	45	have_armv6=""
	46	have_armv7=""
	47	have_arm_neon=""
	48	have_tslib=""
	49	have_gles=""
	50	enable_dynarec="yes"
	51	need_sdl="no"
	52	need_libpicofe="yes"
	53	need_warm="no"
	54	CFLAGS_GLES=""
	55	LDLIBS_GLES=""
	56	# these are for known platforms
	57	optimize_cortexa8="no"
	58	optimize_arm926ej="no"
	59
	60	# hardcoded stuff
	61	CC="${CC-${CROSS_COMPILE}gcc}"
	62	CXX="${CXX-${CROSS_COMPILE}g++}"
	63	AS="${AS-${CROSS_COMPILE}as}"
	64	AR="${AS-${CROSS_COMPILE}ar}"
	65	MAIN_LDLIBS="$LDLIBS -ldl -lm"
	66	config_mak="config.mak"
	67
	68	fail()
	69	{
	70	echo "$@"
	71	exit 1
	72	}
	73
	74	# call during arg parsing, so that cmd line can override platform defaults
	75	set_platform()
	76	{
	77	platform=$1
	78	case "$platform" in
	79	generic)
	80	;;
	81	pandora)
	82	sound_drivers="oss alsa"
	83	ram_fixed="yes"
	84	drc_cache_base="yes"
	85	optimize_cortexa8="yes"
	86	have_arm_neon="yes"
	87	;;
	88	maemo)
	89	ram_fixed="yes"
	90	drc_cache_base="yes"
	91	optimize_cortexa8="yes"
	92	have_arm_neon="yes"
	93	;;
	94	caanoo)
	95	sound_drivers="oss"
	96	ram_fixed="yes"
	97	drc_cache_base="yes"
	98	optimize_arm926ej="yes"
	99	need_warm="yes"
	100	;;
	101	libretro)
	102	sound_drivers="libretro"
	103	need_libpicofe="no"
	104	;;
	105	*)
	106	fail "unsupported platform: $platform"
	107	;;
	108	esac
	109	}
	110
	111	for opt do
	112	optarg=`expr "x$opt" : 'x[^=]=\(.\)'` \|\| true
	113	case "$opt" in
	114	--help\|-h) show_help="yes"
	115	;;
	116	--platform=*) set_platform "$optarg"
	117	;;
	118	--gpu=*) builtin_gpu="$optarg"
	119	;;
	120	--sound-drivers=*) sound_drivers="$optarg"
	121	;;
	122	--enable-neon) have_arm_neon="yes"
	123	;;
	124	--disable-neon) have_arm_neon="no"
	125	;;
	126	--disable-dynarec) enable_dynarec="no"
	127	;;
	128	*) echo "ERROR: unknown option $opt"; show_help="yes"
	129	;;
	130	esac
	131	done
	132
	133	if [ "$show_help" = "yes" ]; then
	134	echo "options:"
	135	echo " --help print this message"
	136	echo " --platform=NAME target platform [$platform]"
	137	echo " available: $platform_list"
	138	echo " --gpu=NAME builtin gpu plugin [guessed]"
	139	echo " available: $builtin_gpu_list"
	140	echo " --sound-drivers=LIST sound output drivers [guessed]"
	141	echo " available: $sound_driver_list"
	142	echo " --enable-neon"
	143	echo " --disable-neon enable/disable ARM NEON optimizations [guessed]"
	144	echo " --disable-dynarec disable dynamic recompiler"
	145	echo " (dynarec is only available and enabled on ARM)"
	146	echo "influential environment variables:"
	147	echo " CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
	148	exit 1
	149	fi
	150
	151	# validate selections
	152	if [ "x$builtin_gpu" != "x" ]; then
	153	if ! echo $builtin_gpu_list \| grep -q "\<$builtin_gpu\>"; then
	154	fail "unsupported builtin gpu plugin: $builtin_gpu"
	155	fi
	156	fi
	157
	158	if [ "x$sound_drivers" != "x" ]; then
	159	for d in $sound_drivers; do
	160	if ! echo $sound_driver_list \| grep -q "\<$d\>"; then
	161	fail "unsupported sound driver: $sound_driver"
	162	fi
	163	done
	164	fi
	165
	166	if [ "$need_libpicofe" = "yes" ]; then
	167	if ! test -f "frontend/libpicofe/README"; then
	168	fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
	169	fi
	170	fi
	171
	172	if [ "$need_warm" = "yes" ]; then
	173	if ! test -f "frontend/warm/README"; then
	174	fail "wARM is missing, please run 'git submodule init && git submodule update'"
	175	fi
	176	fi
	177
	178	if [ -z "$ARCH" ]; then
	179	ARCH=`$CC -v 2>&1 \| grep -i 'target:' \| awk '{print $2}' \
	180	\| awk -F '-' '{print $1}'`
	181	fi
	182
	183	# ARM stuff
	184	if [ "$ARCH" = "arm" ]; then
	185	if [ "$optimize_cortexa8" = "yes" ]; then
	186	CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
	187	ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
	188	fi
	189	if [ "$optimize_arm926ej" = "yes" ]; then
	190	CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
	191	ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
	192	fi
	193
	194	if [ "x$have_arm_neon" = "x" ]; then
	195	# detect NEON from user-supplied cflags to enable asm code
	196	have_arm_neon=`check_define __ARM_NEON__ && echo yes` \|\| true
	197	fi
	198	if [ "x$have_armv6" = "x" ]; then
	199	have_armv6=`check_define __ARM_ARCH_6 && echo yes` \|\| true
	200	fi
	201	if [ "x$have_armv7" = "x" ]; then
	202	if check_define __ARM_ARCH_7A__; then
	203	have_armv6="yes"
	204	have_armv7="yes"
	205	fi
	206	fi
	207
	208	if [ "x$builtin_gpu" = "x" ]; then
	209	if [ "$have_arm_neon" = "yes" ]; then
	210	builtin_gpu="neon"
	211	elif [ "$have_armv7" != "yes" ]; then
	212	# pre-ARMv7 hardware is usually not fast enough for peops
	213	builtin_gpu="unai"
	214	else
	215	builtin_gpu="peops"
	216	fi
	217	fi
	218
	219	# automatically set mfpu and mfloat-abi if they are not set
	220	if [ "$have_arm_neon" = "yes" ]; then
	221	fpu="neon"
	222	elif [ "$have_armv6" = "yes" ]; then
	223	fpu="vfp"
	224	fi
	225	if [ "x$fpu" != "x" ]; then
	226	echo "$CFLAGS" \| grep -q -- '-mfpu=' \|\| CFLAGS="$CFLAGS -mfpu=$fpu"
	227	echo "$ASFLAGS" \| grep -q -- '-mfpu=' \|\| ASFLAGS="$ASFLAGS -mfpu=$fpu"
	228	floatabi_set_by_gcc=`$CC -v 2>&1 \| grep -q -- --with-float= && echo yes` \|\| true
	229	if [ "$floatabi_set_by_gcc" != "yes" ]; then
	230	echo "$CFLAGS" \| grep -q -- '-mfloat-abi=' \|\| CFLAGS="$CFLAGS -mfloat-abi=softfp"
	231	echo "$ASFLAGS" \| grep -q -- '-mfloat-abi=' \|\| ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
	232	fi
	233	fi
	234
	235	# must disable thumb as recompiler can't handle it
	236	if check_define __thumb__; then
	237	CFLAGS="$CFLAGS -marm"
	238	fi
	239	else
	240	# dynarec only available on ARM
	241	enable_dynarec="no"
	242	fi
	243
	244	if [ "x$builtin_gpu" = "x" ]; then
	245	builtin_gpu="peops"
	246	fi
	247
	248	# supposedly we can avoid -fPIC on armv5 for slightly better performace?
	249	if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
	250	PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
	251	fi
	252
	253	if [ "$ram_fixed" = "yes" ]; then
	254	CFLAGS="$CFLAGS -DRAM_FIXED"
	255	fi
	256
	257	case "$platform" in
	258	generic)
	259	need_sdl="yes"
	260	;;
	261	maemo)
	262	maemo_cflags=`pkg-config --cflags hildon-1`
	263	maemo_ldlibs=`pkg-config --libs hildon-1`
	264	CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES $maemo_cflags"
	265	MAIN_LDLIBS="$MAIN_LDLIBS $maemo_ldlibs"
	266	;;
	267	libretro)
	268	CFLAGS="$CFLAGS -fPIC"
	269	MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
	270	;;
	271	esac
	272
	273	# header/library presence tests
	274	check_zlib()
	275	{
	276	cat > $TMPC <<EOF
	277	#include <zlib.h>
	278	int main(void) { uncompress(0, 0, 0, 0); }
	279	EOF
	280	compile_binary
	281	}
	282
	283	check_libpng()
	284	{
	285	cat > $TMPC <<EOF
	286	#include <png.h>
	287	void main() { png_init_io(0, 0); }
	288	EOF
	289	compile_binary
	290	}
	291
	292	check_oss()
	293	{
	294	cat > $TMPC <<EOF
	295	#include <sys/soundcard.h>
	296	#include <sys/ioctl.h>
	297	void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
	298	EOF
	299	compile_binary
	300	}
	301
	302	check_alsa()
	303	{
	304	cat > $TMPC <<EOF
	305	#include <alsa/asoundlib.h>
	306	void main() { snd_pcm_open(0, 0, 0, 0); }
	307	EOF
	308	compile_binary "$@"
	309	}
	310
	311	check_pulseaudio()
	312	{
	313	cat > $TMPC <<EOF
	314	#include <pulse/pulseaudio.h>
	315	void main() { pa_threaded_mainloop_new(); }
	316	EOF
	317	compile_binary "$@"
	318	}
	319
	320	check_sdl()
	321	{
	322	cat > $TMPC <<EOF
	323	#include <SDL.h>
	324	void main() { SDL_OpenAudio(0, 0); }
	325	EOF
	326	compile_binary "$@"
	327	}
	328
	329	MAIN_LDLIBS="$MAIN_LDLIBS -lz"
	330	check_zlib \|\| fail "please install zlib (libz-dev)"
	331
	332	MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
	333	check_libpng \|\| fail "please install libpng (libpng-dev)"
	334
	335	# find what audio support we can compile
	336	if [ "x$sound_drivers" = "x" ]; then
	337	if check_oss; then sound_drivers="$sound_drivers oss"; fi
	338	if check_alsa -lasound; then
	339	sound_drivers="$sound_drivers alsa"
	340	MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
	341	fi
	342	if check_pulseaudio -lpulse; then
	343	sound_drivers="$sound_drivers pulseaudio"
	344	MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
	345	fi
	346	if [ "$need_sdl" = "yes" ] \|\| check_sdl `sdl-config --cflags --libs`; then
	347	sound_drivers="$sound_drivers sdl"
	348	need_sdl="yes"
	349	fi
	350	else
	351	if echo $sound_drivers \| grep -q "\<oss\>"; then
	352	check_oss \|\| fail "oss support is missing"
	353	fi
	354	if echo $sound_drivers \| grep -q "\<alsa\>"; then
	355	MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
	356	check_alsa \|\| fail "please install libasound2-dev"
	357	fi
	358	if echo $sound_drivers \| grep -q "\<pulseaudio\>"; then
	359	MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
	360	check_pulseaudio \|\| fail "pulseaudio support is missing"
	361	fi
	362	fi
	363
	364	if [ "$need_sdl" = "yes" ]; then
	365	which sdl-config > /dev/null \|\| \
	366	fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
	367	CFLAGS="$CFLAGS `sdl-config --cflags`"
	368	MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
	369	check_sdl \|\| fail "please install libsdl (libsdl1.2-dev)"
	370	fi
	371
	372	# check for tslib (only headers needed)
	373	if [ "x$have_tslib" = "x" ]; then
	374	cat > $TMPC <<EOF
	375	#include <tslib.h>
	376	void test(struct ts_sample sample) {}
	377	EOF
	378	if compile_object; then
	379	have_tslib="yes"
	380	else
	381	have_tslib="no"
	382	fi
	383	fi
	384
	385	# check for VideoCore stuff for Raspberry Pi
	386	if [ -d /opt/vc/include -a -d /opt/vc/lib ]; then
	387	CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads"
	388	LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
	389	fi
	390
	391	# check for GLES headers
	392	cat > $TMPC <<EOF
	393	#include <GLES/gl.h>
	394	#include <EGL/egl.h>
	395	int main(void) {
	396	return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
	397	}
	398	EOF
	399	if compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
	400	have_gles="yes"
	401	LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
	402	elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
	403	have_gles="yes"
	404	LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
	405	fi
	406
	407	if [ "$have_gles" = "yes" ]; then
	408	plugins="$plugins plugins/gpu-gles/gpu_gles.so"
	409	fi
	410	if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
	411	plugins="$plugins plugins/gpu_neon/gpu_neon.so"
	412	fi
	413
	414	cat > $TMPC <<EOF
	415	void test(void f, void d) { fread(d, 1, 1, f); }
	416	EOF
	417	if compile_object -Wno-unused-result; then
	418	CFLAGS="$CFLAGS -Wno-unused-result"
	419	fi
	420
	421	# short plugin list for display
	422	for p in $plugins; do
	423	p1=`basename $p`
	424	plugins_short="$p1 $plugins_short"
	425	done
	426
	427	# set things that failed to autodetect to "no"
	428	test "x$have_armv6" != "x" \|\| have_armv6="no"
	429	test "x$have_armv7" != "x" \|\| have_armv7="no"
	430	test "x$have_arm_neon" != "x" \|\| have_arm_neon="no"
	431
	432	echo "architecture $ARCH"
	433	echo "platform $platform"
	434	echo "built-in GPU $builtin_gpu"
	435	echo "sound drivers $sound_drivers"
	436	echo "plugins $plugins_short"
	437	echo "C compiler $CC"
	438	echo "C compiler flags $CFLAGS"
	439	echo "libraries $MAIN_LDLIBS"
	440	echo "linker flags $LDFLAGS$MAIN_LDFLAGS"
	441	echo "enable dynarec $enable_dynarec"
	442	echo "ARMv7 optimizations $have_armv7"
	443	echo "enable ARM NEON $have_arm_neon"
	444	echo "tslib support $have_tslib"
	445	if [ "$platform" = "generic" ]; then
	446	echo "OpenGL ES output $have_gles"
	447	fi
	448
	449	echo "# Automatically generated by configure" > $config_mak
	450	printf "# Configured with:" >> $config_mak
	451	printf " '%s'" "$0" "$@" >> $config_mak
	452	echo >> $config_mak
	453
	454	echo "CC = $CC" >> $config_mak
	455	echo "CXX = $CXX" >> $config_mak
	456	echo "AS = $AS" >> $config_mak
	457	echo "CFLAGS += $CFLAGS" >> $config_mak
	458	echo "ASFLAGS += $ASFLAGS" >> $config_mak
	459	echo "LDFLAGS += $LDFLAGS" >> $config_mak
	460	echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
	461	echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
	462	echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
	463	echo >> $config_mak
	464
	465	if [ "$platform" = "libretro" ]; then
	466	echo "TARGET = libretro.so" >> $config_mak
	467	fi
	468	echo "ARCH = $ARCH" >> $config_mak
	469	echo "PLATFORM = $platform" >> $config_mak
	470	echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
	471	echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
	472	echo "PLUGINS = $plugins" >> $config_mak
	473	if [ "$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" >> $config_mak
	478	fi
	479	if [ "$have_gles" = "yes" ]; then
	480	echo "HAVE_GLES = 1" >> $config_mak
	481	echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
	482	echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
	483	fi
	484	if [ "$enable_dynarec" = "yes" ]; then
	485	echo "USE_DYNAREC = 1" >> $config_mak
	486	fi
	487	if [ "$drc_cache_base" = "yes" ]; then
	488	echo "DRC_CACHE_BASE = 1" >> $config_mak
	489	fi
	490
	491	# use pandora's skin (for now)
	492	test -e skin \|\| ln -s frontend/pandora/skin skin
	493
	494	# vim:shiftwidth=2:expandtab