[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"
trap "rm -f $TMPC $TMPO" EXIT INT QUIT TERM
rm -f config.log

compile_object()
{
  c="$CC $CFLAGS -c $TMPC -o $TMPO $1"
  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"
platform="generic"
sound_driver_list="oss alsa none"
sound_driver="alsa"
ram_fixed="no"
drc_cache_base="no"
have_armv6=""
have_armv7=""
have_arm_neon=""
have_tslib=""
enable_dynarec="yes"
# 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}"
config_mak="config.mak"

# call during arg parsing, so that cmd line can override platform defaults
set_platform()
{
  platform=$1
  case "$platform" in
  generic)
    ;;
  pandora)
    sound_driver="oss"
    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_driver="oss"
    ram_fixed="yes"
    drc_cache_base="yes"
    optimize_arm926ej="yes"
    ;;
  *)
    echo "unsupported platform: $platform"
    exit 1
    ;;
  esac
}

for opt do
  optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
  case "$opt" in
  --help|-h) show_help="yes"
  ;;
  --platform=*) set_platform "$optarg"
  ;;
  --sound-driver=*) sound_driver="$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: $platform_list"
  echo "  --sound-driver=NAME      sound output driver [$sound_driver]"
  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

case "$sound_driver" in
oss|alsa|none)
  ;;
*)
  echo "unsupported sound driver: $sound_driver"
  exit 1
  ;;
esac

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
  # both: -mfpu=neon
    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

  # 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
  if [ "$have_armv6" = "yes" ]; then
    echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
    echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
  fi

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

if [ "$platform" = "generic" ]; then
  generic_cflags=`sdl-config --cflags`
  generic_ldlibs=`sdl-config --libs`
  CFLAGS="$CFLAGS $generic_cflags"
  LDFLAGS="$LDFLAGS $generic_ldlibs"
elif [ "$platform" = "maemo" ]; then
  maemo_cflags=`pkg-config --cflags hildon-1`
  maemo_ldlibs=`pkg-config --libs hildon-1`
  CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES $maemo_cflags"
  LDFLAGS="$LDFLAGS $maemo_ldlibs"
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

# 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 "sound driver        $sound_driver"
echo "C compiler          $CC"
echo "C compiler flags    $CFLAGS"
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 "LDLIBS += $LDLIBS" >> $config_mak
echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
echo >> $config_mak

echo "ARCH = $ARCH" >> $config_mak
echo "PLATFORM = $platform" >> $config_mak
case "$sound_driver" in
oss)
  echo "USE_OSS = 1" >> $config_mak
  ;;
alsa)
  echo "USE_ALSA = 1" >> $config_mak
  ;;
none)
  echo "USE_NO_SOUND = 1" >> $config_mak
  ;;
esac
if [ "$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

# 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	trap "rm -f $TMPC $TMPO" EXIT INT QUIT TERM
	8	rm -f config.log
	9
	10	compile_object()
	11	{
	12	c="$CC $CFLAGS -c $TMPC -o $TMPO $1"
	13	echo $c >> config.log
	14	$c >> config.log 2>&1
	15	}
	16
	17	check_define()
	18	{
	19	echo "" > $TMPC
	20	$CC -E -dD $CFLAGS $TMPC \| grep -q $1 \|\| return 1
	21	return 0
	22	}
	23
	24	# setting options to "yes" or "no" will make that choice default,
	25	# "" means "autodetect".
	26
	27	platform_list="generic pandora maemo caanoo"
	28	platform="generic"
	29	sound_driver_list="oss alsa none"
	30	sound_driver="alsa"
	31	ram_fixed="no"
	32	drc_cache_base="no"
	33	have_armv6=""
	34	have_armv7=""
	35	have_arm_neon=""
	36	have_tslib=""
	37	enable_dynarec="yes"
	38	# these are for known platforms
	39	optimize_cortexa8="no"
	40	optimize_arm926ej="no"
	41
	42	# hardcoded stuff
	43	CC="${CC-${CROSS_COMPILE}gcc}"
	44	CXX="${CXX-${CROSS_COMPILE}g++}"
	45	AS="${AS-${CROSS_COMPILE}as}"
	46	AR="${AS-${CROSS_COMPILE}ar}"
	47	config_mak="config.mak"
	48
	49	# call during arg parsing, so that cmd line can override platform defaults
	50	set_platform()
	51	{
	52	platform=$1
	53	case "$platform" in
	54	generic)
	55	;;
	56	pandora)
	57	sound_driver="oss"
	58	ram_fixed="yes"
	59	drc_cache_base="yes"
	60	optimize_cortexa8="yes"
	61	have_arm_neon="yes"
	62	;;
	63	maemo)
	64	ram_fixed="yes"
	65	drc_cache_base="yes"
	66	optimize_cortexa8="yes"
	67	have_arm_neon="yes"
	68	;;
	69	caanoo)
	70	sound_driver="oss"
	71	ram_fixed="yes"
	72	drc_cache_base="yes"
	73	optimize_arm926ej="yes"
	74	;;
	75	*)
	76	echo "unsupported platform: $platform"
	77	exit 1
	78	;;
	79	esac
	80	}
	81
	82	for opt do
	83	optarg=`expr "x$opt" : 'x[^=]=\(.\)'` \|\| true
	84	case "$opt" in
	85	--help\|-h) show_help="yes"
	86	;;
	87	--platform=*) set_platform "$optarg"
	88	;;
	89	--sound-driver=*) sound_driver="$optarg"
	90	;;
	91	--enable-neon) have_arm_neon="yes"
	92	;;
	93	--disable-neon) have_arm_neon="no"
	94	;;
	95	--disable-dynarec) enable_dynarec="no"
	96	;;
	97	*) echo "ERROR: unknown option $opt"; show_help="yes"
	98	;;
	99	esac
	100	done
	101
	102	if [ "$show_help" = "yes" ]; then
	103	echo "options:"
	104	echo " --help print this message"
	105	echo " --platform=NAME target platform [$platform]"
	106	echo " available: $platform_list"
	107	echo " --sound-driver=NAME sound output driver [$sound_driver]"
	108	echo " available: $sound_driver_list"
	109	echo " --enable-neon"
	110	echo " --disable-neon enable/disable ARM NEON optimizations [guessed]"
	111	echo " --disable-dynarec disable dynamic recompiler"
	112	echo " (dynarec is only available and enabled on ARM)"
	113	echo "influential environment variables:"
	114	echo " CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
	115	exit 1
	116	fi
	117
	118	case "$sound_driver" in
	119	oss\|alsa\|none)
	120	;;
	121	*)
	122	echo "unsupported sound driver: $sound_driver"
	123	exit 1
	124	;;
	125	esac
	126
	127	if [ -z "$ARCH" ]; then
	128	ARCH=`$CC -v 2>&1 \| grep -i 'target:' \| awk '{print $2}' \
	129	\| awk -F '-' '{print $1}'`
	130	fi
	131
	132	# ARM stuff
	133	if [ "$ARCH" = "arm" ]; then
	134	if [ "$optimize_cortexa8" = "yes" ]; then
	135	# both: -mfpu=neon
	136	CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
	137	ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
	138	fi
	139	if [ "$optimize_arm926ej" = "yes" ]; then
	140	CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
	141	ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
	142	fi
	143
	144	if [ "x$have_arm_neon" = "x" ]; then
	145	# detect NEON from user-supplied cflags to enable asm code
	146	have_arm_neon=`check_define __ARM_NEON__ && echo yes` \|\| true
	147	fi
	148	if [ "x$have_armv6" = "x" ]; then
	149	have_armv6=`check_define __ARM_ARCH_6 && echo yes` \|\| true
	150	fi
	151	if [ "x$have_armv7" = "x" ]; then
	152	if check_define __ARM_ARCH_7A__; then
	153	have_armv6="yes"
	154	have_armv7="yes"
	155	fi
	156	fi
	157
	158	# set mfpu and mfloat-abi if they are not set
	159	if [ "$have_arm_neon" = "yes" ]; then
	160	echo "$CFLAGS" \| grep -q -- '-mfpu=' \|\| CFLAGS="$CFLAGS -mfpu=neon"
	161	echo "$ASFLAGS" \| grep -q -- '-mfpu=' \|\| ASFLAGS="$ASFLAGS -mfpu=neon"
	162	elif [ "$have_armv6" = "yes" ]; then
	163	echo "$CFLAGS" \| grep -q -- '-mfpu=' \|\| CFLAGS="$CFLAGS -mfpu=vfp"
	164	echo "$ASFLAGS" \| grep -q -- '-mfpu=' \|\| ASFLAGS="$ASFLAGS -mfpu=vfp"
	165	fi
	166	if [ "$have_armv6" = "yes" ]; then
	167	echo "$CFLAGS" \| grep -q -- '-mfloat-abi=' \|\| CFLAGS="$CFLAGS -mfloat-abi=softfp"
	168	echo "$ASFLAGS" \| grep -q -- '-mfloat-abi=' \|\| ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
	169	fi
	170
	171	if [ "$have_armv7" = "yes" ]; then
	172	ASFLAGS="$ASFLAGS --defsym HAVE_ARMV7=1"
	173	else
	174	ASFLAGS="$ASFLAGS --defsym HAVE_ARMV7=0"
	175	fi
	176	else
	177	# dynarec only available on ARM
	178	enable_dynarec="no"
	179	fi
	180
	181	if [ "$ARCH" = "x86_64" ]; then
	182	# currently we are full of 32bit assumptions,
	183	# at least savestate compatibility will break without these
	184	CFLAGS="$CFLAGS -m32"
	185	LDFLAGS="$LDFLAGS -m32"
	186	fi
	187
	188	# supposedly we can avoid -fPIC on armv5 for slightly better performace?
	189	if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
	190	PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
	191	fi
	192
	193	if [ "$ram_fixed" = "yes" ]; then
	194	CFLAGS="$CFLAGS -DRAM_FIXED"
	195	fi
	196
	197	if [ "$platform" = "generic" ]; then
	198	generic_cflags=`sdl-config --cflags`
	199	generic_ldlibs=`sdl-config --libs`
	200	CFLAGS="$CFLAGS $generic_cflags"
	201	LDFLAGS="$LDFLAGS $generic_ldlibs"
	202	elif [ "$platform" = "maemo" ]; then
	203	maemo_cflags=`pkg-config --cflags hildon-1`
	204	maemo_ldlibs=`pkg-config --libs hildon-1`
	205	CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES $maemo_cflags"
	206	LDFLAGS="$LDFLAGS $maemo_ldlibs"
	207	fi
	208
	209	# check for tslib (only headers needed)
	210	if [ "x$have_tslib" = "x" ]; then
	211	cat > $TMPC <<EOF
	212	#include <tslib.h>
	213	void test(struct ts_sample sample) {}
	214	EOF
	215	if compile_object; then
	216	have_tslib="yes"
	217	else
	218	have_tslib="no"
	219	fi
	220	fi
	221
	222	# set things that failed to autodetect to "no"
	223	test "x$have_armv6" != "x" \|\| have_armv6="no"
	224	test "x$have_armv7" != "x" \|\| have_armv7="no"
	225	test "x$have_arm_neon" != "x" \|\| have_arm_neon="no"
	226
	227	echo "architecture $ARCH"
	228	echo "platform $platform"
	229	echo "sound driver $sound_driver"
	230	echo "C compiler $CC"
	231	echo "C compiler flags $CFLAGS"
	232	echo "linker flags $LDFLAGS"
	233	echo "enable dynarec $enable_dynarec"
	234	echo "ARMv7 optimizations $have_armv7"
	235	echo "enable ARM NEON $have_arm_neon"
	236	echo "tslib support $have_tslib"
	237
	238	echo "# Automatically generated by configure" > $config_mak
	239	printf "# Configured with:" >> $config_mak
	240	printf " '%s'" "$0" "$@" >> $config_mak
	241	echo >> $config_mak
	242
	243	echo "CC = $CC" >> $config_mak
	244	echo "CXX = $CXX" >> $config_mak
	245	echo "AS = $AS" >> $config_mak
	246	echo "CFLAGS += $CFLAGS" >> $config_mak
	247	echo "ASFLAGS += $ASFLAGS" >> $config_mak
	248	echo "LDFLAGS += $LDFLAGS" >> $config_mak
	249	echo "LDLIBS += $LDLIBS" >> $config_mak
	250	echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
	251	echo >> $config_mak
	252
	253	echo "ARCH = $ARCH" >> $config_mak
	254	echo "PLATFORM = $platform" >> $config_mak
	255	case "$sound_driver" in
	256	oss)
	257	echo "USE_OSS = 1" >> $config_mak
	258	;;
	259	alsa)
	260	echo "USE_ALSA = 1" >> $config_mak
	261	;;
	262	none)
	263	echo "USE_NO_SOUND = 1" >> $config_mak
	264	;;
	265	esac
	266	if [ "$have_armv6" = "yes" ]; then
	267	echo "HAVE_ARMV6 = 1" >> $config_mak
	268	fi
	269	if [ "$have_armv7" = "yes" ]; then
	270	echo "HAVE_ARMV7 = 1" >> $config_mak
	271	fi
	272	if [ "$have_arm_neon" = "yes" ]; then
	273	echo "HAVE_NEON = 1" >> $config_mak
	274	fi
	275	if [ "$have_tslib" = "yes" ]; then
	276	echo "HAVE_TSLIB = 1" >> $config_mak
	277	fi
	278	if [ "$enable_dynarec" = "yes" ]; then
	279	echo "USE_DYNAREC = 1" >> $config_mak
	280	fi
	281	if [ "$drc_cache_base" = "yes" ]; then
	282	echo "DRC_CACHE_BASE = 1" >> $config_mak
	283	fi
	284
	285	# vim:shiftwidth=2:expandtab