[picodrive.git] / configure

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

TMPC="/tmp/picodrive-conf-${RANDOM}-$$-${RANDOM}.c"
TMPO="/tmp/picodrive-conf-${RANDOM}-$$-${RANDOM}.o"
TMPB="/tmp/picodrive-conf-${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 $@"
  echo $c >> config.log
  $c >> config.log 2>&1
}

check_define()
{
  $CC -E -dD $CFLAGS pico/arm_features.h | grep -q $1 || return 1
  return 0
}

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

platform_list="generic pandora gp2x"
platform="generic"
sound_driver_list="oss alsa sdl"
sound_drivers=""
have_armv5=""
have_armv6=""
have_armv7=""
have_arm_neon=""
have_libavcodec=""
need_sdl="no"
need_xlib="no"
# these are for known platforms
optimize_cortexa8="no"
optimize_arm926ej="no"
optimize_arm920="no"

# hardcoded stuff
CC="${CC-${CROSS_COMPILE}gcc}"
CXX="${CXX-${CROSS_COMPILE}g++}"
AS="${AS-${CROSS_COMPILE}as}"
MAIN_LDLIBS="$LDLIBS -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"
    optimize_cortexa8="yes"
    have_arm_neon="yes"
    ;;
  gp2x)
    sound_drivers="oss"
    optimize_arm920="yes"
    CFLAGS="$CFLAGS -D__GP2X__"
    if [ "$CROSS_COMPILE" = "arm-linux-" ]; then
      # still using static, dynamic linking slows Wiz 1-10%
      # also libm on F100 is not compatible
      MAIN_LDLIBS="$MAIN_LDLIBS -static"
    fi
    ;;
  *)
    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"
  ;;
  --sound-drivers=*) sound_drivers="$optarg"
  ;;
  *) 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-drivers=LIST     sound output drivers [guessed]"
  echo "                           available: $sound_driver_list"
  echo "influential environment variables:"
  echo "  CROSS_COMPILE CC CXX AS CFLAGS ASFLAGS LDFLAGS LDLIBS"
  exit 1
fi

# validate selections
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 ! test -f "platform/libpicofe/README"; then
  fail "libpicofe is missing, please run 'git submodule update --init'"
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

# basic compiler test
cat > $TMPC <<EOF
int main(void) { return 0; }
EOF
if ! compile_binary; then
  fail "compiler test failed, please check config.log"
fi

if [ -z "$ARCH" ]; then
  ARCH=`$CC -dumpmachine | awk -F '-' '{print $1}'`
fi

case "$ARCH" in
arm*)
  # ARM stuff
  ARCH="arm"

  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 [ "$optimize_arm920" = "yes" ]; then
    CFLAGS="$CFLAGS -mcpu=arm920t -mtune=arm920t"
    ASFLAGS="$ASFLAGS -mcpu=arm920t -mfloat-abi=soft"
  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_armv7" = "x" ]; then
    if check_define HAVE_ARMV7; then
      have_armv7="yes"
      have_armv6="yes"
      have_armv5="yes"
    fi
  fi
  if [ "x$have_armv6" = "x" ]; then
    if check_define HAVE_ARMV6; then
      have_armv6="yes"
      have_armv5="yes"
    fi
  fi
  if [ "x$have_armv5" = "x" ]; then
    have_armv5=`check_define HAVE_ARMV5 && echo yes` || true
  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

  # warn about common mistakes
  if [ "$platform" != "gp2x" -a "$have_armv5" != "yes" ]; then
    if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
      echo "Warning: compiling for ARMv4, is that really what you want?"
      echo "You probably should specify -mcpu= or -march= like this:"
      echo "  CFLAGS=-march=armv6 ./configure ..."
    fi
  fi
  if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
    echo "Warning: compiling for NEON, but not ARMv7?"
    echo "You probably want to specify -mcpu= or -march= like this:"
    echo "  CFLAGS=-march=armv7-a ./configure ..."
  fi
  ;;
*)
  ;;
esac

case "$platform" in
generic)
  need_sdl="yes"
  ;;
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
  compile_object
}

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

check_libavcodec()
{
  cat > $TMPC <<EOF
  #include <libavcodec/avcodec.h>
  void main() { avcodec_decode_audio3(0, 0, 0, 0); }
EOF
  compile_object "$@"
}

#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)"

if check_libavcodec; then
  have_libavcodec="yes"
  # add -ldl if needed
  case "$MAIN_LDLIBS" in
    *"-ldl"*) ;;
    *) MAIN_LDLIBS="-ldl $MAIN_LDLIBS" ;;
  esac
fi

# 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 -lasound || 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 `sdl-config --libs` || fail "please install libsdl (libsdl1.2-dev)"
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

# 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_libavcodec" != "x" || have_libavcodec="no"

echo "architecture        $ARCH"
echo "platform            $platform"
echo "sound drivers       $sound_drivers"
echo "C compiler          $CC"
echo "C compiler flags    $CFLAGS"
echo "libraries           $MAIN_LDLIBS"
echo "linker flags        $LDFLAGS"
echo "libavcodec (mp3)    $have_libavcodec"
# echo "ARMv7 optimizations $have_armv7"

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 += $MAIN_LDLIBS" >> $config_mak
echo >> $config_mak

echo "ARCH = $ARCH" >> $config_mak
echo "PLATFORM = $platform" >> $config_mak
echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
if [ "$have_libavcodec" = "yes" ]; then
  echo "HAVE_LIBAVCODEC = 1" >> $config_mak
fi

# GP2X toolchains are too old for UAL asm,
# so add this here to not litter main Makefile
if [ "$platform" = "g1p2x" ]; then
  echo >> $config_mak
  echo "%.o: %.S" >> $config_mak
  echo "        $(CC) $(CFLAGS) -E -c $^ -o /tmp/$(notdir $@).s" >> $config_mak
  echo "        $(AS) $(ASFLAGS) /tmp/$(notdir $@).s -o $@" >> $config_mak
fi

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

# vim:shiftwidth=2:expandtab
Commit	Line	Data
d4d62665	1	#!/bin/sh
	2	# some elements originated from qemu configure
	3	set -e
	4
75a30842	5	TMPC="/tmp/picodrive-conf-${RANDOM}-$$-${RANDOM}.c"
	6	TMPO="/tmp/picodrive-conf-${RANDOM}-$$-${RANDOM}.o"
	7	TMPB="/tmp/picodrive-conf-${RANDOM}-$$-${RANDOM}"
d4d62665	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	$c >> config.log 2>&1
	16	}
	17
	18	compile_binary()
	19	{
75a30842	20	c="$CC $CFLAGS $TMPC -o $TMPB $LDFLAGS $@"
d4d62665	21	echo $c >> config.log
	22	$c >> config.log 2>&1
	23	}
	24
	25	check_define()
	26	{
	27	$CC -E -dD $CFLAGS pico/arm_features.h \| grep -q $1 \|\| return 1
	28	return 0
	29	}
	30
	31	# setting options to "yes" or "no" will make that choice default,
	32	# "" means "autodetect".
	33
75a30842	34	platform_list="generic pandora gp2x"
d4d62665	35	platform="generic"
	36	sound_driver_list="oss alsa sdl"
	37	sound_drivers=""
	38	have_armv5=""
	39	have_armv6=""
	40	have_armv7=""
	41	have_arm_neon=""
fc11dd05	42	have_libavcodec=""
d4d62665	43	need_sdl="no"
	44	need_xlib="no"
	45	# these are for known platforms
	46	optimize_cortexa8="no"
	47	optimize_arm926ej="no"
75a30842	48	optimize_arm920="no"
d4d62665	49
	50	# hardcoded stuff
	51	CC="${CC-${CROSS_COMPILE}gcc}"
	52	CXX="${CXX-${CROSS_COMPILE}g++}"
	53	AS="${AS-${CROSS_COMPILE}as}"
	54	MAIN_LDLIBS="$LDLIBS -lm"
	55	config_mak="config.mak"
	56
	57	fail()
	58	{
	59	echo "$@"
	60	exit 1
	61	}
	62
	63	# call during arg parsing, so that cmd line can override platform defaults
	64	set_platform()
	65	{
	66	platform=$1
	67	case "$platform" in
	68	generic)
	69	;;
	70	pandora)
	71	sound_drivers="oss alsa"
	72	optimize_cortexa8="yes"
	73	have_arm_neon="yes"
	74	;;
75a30842	75	gp2x)
	76	sound_drivers="oss"
	77	optimize_arm920="yes"
	78	CFLAGS="$CFLAGS -D__GP2X__"
	79	if [ "$CROSS_COMPILE" = "arm-linux-" ]; then
	80	# still using static, dynamic linking slows Wiz 1-10%
	81	# also libm on F100 is not compatible
	82	MAIN_LDLIBS="$MAIN_LDLIBS -static"
	83	fi
	84	;;
d4d62665	85	*)
	86	fail "unsupported platform: $platform"
	87	;;
	88	esac
	89	}
	90
	91	for opt do
	92	optarg=`expr "x$opt" : 'x[^=]=\(.\)'` \|\| true
	93	case "$opt" in
	94	--help\|-h) show_help="yes"
	95	;;
	96	--platform=*) set_platform "$optarg"
	97	;;
	98	--sound-drivers=*) sound_drivers="$optarg"
	99	;;
d4d62665	100	*) echo "ERROR: unknown option $opt"; show_help="yes"
	101	;;
	102	esac
	103	done
	104
	105	if [ "$show_help" = "yes" ]; then
	106	echo "options:"
	107	echo " --help print this message"
	108	echo " --platform=NAME target platform [$platform]"
	109	echo " available: $platform_list"
	110	echo " --sound-drivers=LIST sound output drivers [guessed]"
	111	echo " available: $sound_driver_list"
d4d62665	112	echo "influential environment variables:"
	113	echo " CROSS_COMPILE CC CXX AS CFLAGS ASFLAGS LDFLAGS LDLIBS"
	114	exit 1
	115	fi
	116
	117	# validate selections
	118	if [ "x$sound_drivers" != "x" ]; then
	119	for d in $sound_drivers; do
	120	if ! echo $sound_driver_list \| grep -q "\<$d\>"; then
	121	fail "unsupported sound driver: $sound_driver"
	122	fi
	123	done
	124	fi
	125
720bfc5d	126	if ! test -f "platform/libpicofe/README"; then
720bfc5d	127	fail "libpicofe is missing, please run 'git submodule update --init'"
d4d62665	128	fi
	129
	130	#if [ "$need_warm" = "yes" ]; then
	131	# if ! test -f "frontend/warm/README"; then
	132	# fail "wARM is missing, please run 'git submodule init && git submodule update'"
	133	# fi
	134	#fi
	135
	136	# basic compiler test
	137	cat > $TMPC <<EOF
	138	int main(void) { return 0; }
	139	EOF
	140	if ! compile_binary; then
	141	fail "compiler test failed, please check config.log"
	142	fi
	143
	144	if [ -z "$ARCH" ]; then
	145	ARCH=`$CC -dumpmachine \| awk -F '-' '{print $1}'`
	146	fi
	147
	148	case "$ARCH" in
	149	arm*)
	150	# ARM stuff
	151	ARCH="arm"
	152
	153	if [ "$optimize_cortexa8" = "yes" ]; then
	154	CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
	155	ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
	156	fi
	157	if [ "$optimize_arm926ej" = "yes" ]; then
	158	CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
	159	ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
	160	fi
75a30842	161	if [ "$optimize_arm920" = "yes" ]; then
	162	CFLAGS="$CFLAGS -mcpu=arm920t -mtune=arm920t"
	163	ASFLAGS="$ASFLAGS -mcpu=arm920t -mfloat-abi=soft"
	164	fi
d4d62665	165
	166	if [ "x$have_arm_neon" = "x" ]; then
	167	# detect NEON from user-supplied cflags to enable asm code
	168	have_arm_neon=`check_define __ARM_NEON__ && echo yes` \|\| true
	169	fi
	170	if [ "x$have_armv7" = "x" ]; then
	171	if check_define HAVE_ARMV7; then
	172	have_armv7="yes"
	173	have_armv6="yes"
	174	have_armv5="yes"
	175	fi
	176	fi
	177	if [ "x$have_armv6" = "x" ]; then
	178	if check_define HAVE_ARMV6; then
	179	have_armv6="yes"
	180	have_armv5="yes"
	181	fi
	182	fi
	183	if [ "x$have_armv5" = "x" ]; then
	184	have_armv5=`check_define HAVE_ARMV5 && echo yes` \|\| true
	185	fi
	186
	187	# automatically set mfpu and mfloat-abi if they are not set
	188	if [ "$have_arm_neon" = "yes" ]; then
	189	fpu="neon"
	190	elif [ "$have_armv6" = "yes" ]; then
	191	fpu="vfp"
	192	fi
	193	if [ "x$fpu" != "x" ]; then
	194	echo "$CFLAGS" \| grep -q -- '-mfpu=' \|\| CFLAGS="$CFLAGS -mfpu=$fpu"
	195	echo "$ASFLAGS" \| grep -q -- '-mfpu=' \|\| ASFLAGS="$ASFLAGS -mfpu=$fpu"
	196	floatabi_set_by_gcc=`$CC -v 2>&1 \| grep -q -- --with-float= && echo yes` \|\| true
	197	if [ "$floatabi_set_by_gcc" != "yes" ]; then
	198	echo "$CFLAGS" \| grep -q -- '-mfloat-abi=' \|\| CFLAGS="$CFLAGS -mfloat-abi=softfp"
	199	echo "$ASFLAGS" \| grep -q -- '-mfloat-abi=' \|\| ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
	200	fi
	201	fi
	202
	203	# must disable thumb as recompiler can't handle it
	204	if check_define __thumb__; then
	205	CFLAGS="$CFLAGS -marm"
	206	fi
	207
	208	# warn about common mistakes
75a30842	209	if [ "$platform" != "gp2x" -a "$have_armv5" != "yes" ]; then
d4d62665	210	if ! echo "$CFLAGS" \| grep -q -- '-mcpu=\\|-march='; then
	211	echo "Warning: compiling for ARMv4, is that really what you want?"
	212	echo "You probably should specify -mcpu= or -march= like this:"
	213	echo " CFLAGS=-march=armv6 ./configure ..."
	214	fi
	215	fi
	216	if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
	217	echo "Warning: compiling for NEON, but not ARMv7?"
	218	echo "You probably want to specify -mcpu= or -march= like this:"
	219	echo " CFLAGS=-march=armv7-a ./configure ..."
	220	fi
	221	;;
	222	*)
d4d62665	223	;;
	224	esac
	225
	226	case "$platform" in
	227	generic)
	228	need_sdl="yes"
	229	;;
	230	esac
	231
	232	# header/library presence tests
	233	check_zlib()
	234	{
	235	cat > $TMPC <<EOF
	236	#include <zlib.h>
	237	int main(void) { uncompress(0, 0, 0, 0); }
	238	EOF
	239	compile_binary
	240	}
	241
	242	check_libpng()
	243	{
	244	cat > $TMPC <<EOF
	245	#include <png.h>
	246	void main() { png_init_io(0, 0); }
	247	EOF
75a30842	248	# compile_binary
75a30842	249	compile_object
d4d62665	250	}
	251
	252	check_oss()
	253	{
	254	cat > $TMPC <<EOF
	255	#include <sys/soundcard.h>
	256	#include <sys/ioctl.h>
	257	void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
	258	EOF
	259	compile_binary
	260	}
	261
	262	check_alsa()
	263	{
	264	cat > $TMPC <<EOF
	265	#include <alsa/asoundlib.h>
	266	void main() { snd_pcm_open(0, 0, 0, 0); }
	267	EOF
	268	compile_binary "$@"
	269	}
	270
	271	check_sdl()
	272	{
	273	cat > $TMPC <<EOF
	274	#include <SDL.h>
	275	void main() { SDL_OpenAudio(0, 0); }
	276	EOF
	277	compile_binary "$@"
	278	}
	279
fc11dd05	280	check_libavcodec()
	281	{
	282	cat > $TMPC <<EOF
	283	#include <libavcodec/avcodec.h>
	284	void main() { avcodec_decode_audio3(0, 0, 0, 0); }
	285	EOF
986d60fc	286	compile_object "$@"
fc11dd05	287	}
fc11dd05	288
d4d62665	289	#MAIN_LDLIBS="$MAIN_LDLIBS -lz"
	290	#check_zlib \|\| fail "please install zlib (libz-dev)"
	291
	292	MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
	293	check_libpng \|\| fail "please install libpng (libpng-dev)"
	294
fc11dd05	295	if check_libavcodec; then
fc11dd05	296	have_libavcodec="yes"
986d60fc	297	# add -ldl if needed
	298	case "$MAIN_LDLIBS" in
	299	"-ldl") ;;
	300	*) MAIN_LDLIBS="-ldl $MAIN_LDLIBS" ;;
	301	esac
fc11dd05	302	fi
fc11dd05	303
d4d62665	304	# find what audio support we can compile
	305	if [ "x$sound_drivers" = "x" ]; then
	306	if check_oss; then sound_drivers="$sound_drivers oss"; fi
	307	if check_alsa -lasound; then
	308	sound_drivers="$sound_drivers alsa"
	309	MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
	310	fi
	311	if [ "$need_sdl" = "yes" ] \|\| check_sdl `sdl-config --cflags --libs`; then
	312	sound_drivers="$sound_drivers sdl"
	313	need_sdl="yes"
	314	fi
	315	else
	316	if echo $sound_drivers \| grep -q "\<oss\>"; then
	317	check_oss \|\| fail "oss support is missing"
	318	fi
	319	if echo $sound_drivers \| grep -q "\<alsa\>"; then
	320	MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
75a30842	321	check_alsa -lasound \|\| fail "please install libasound2-dev"
d4d62665	322	fi
	323	fi
	324
	325	if [ "$need_sdl" = "yes" ]; then
	326	which sdl-config > /dev/null \|\| \
	327	fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
	328	CFLAGS="$CFLAGS `sdl-config --cflags`"
	329	MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
75a30842	330	check_sdl `sdl-config --libs` \|\| fail "please install libsdl (libsdl1.2-dev)"
d4d62665	331	fi
	332
	333	cat > $TMPC <<EOF
	334	void test(void f, void d) { fread(d, 1, 1, f); }
	335	EOF
	336	if compile_object -Wno-unused-result; then
	337	CFLAGS="$CFLAGS -Wno-unused-result"
	338	fi
	339
	340	# set things that failed to autodetect to "no"
	341	test "x$have_armv6" != "x" \|\| have_armv6="no"
	342	test "x$have_armv7" != "x" \|\| have_armv7="no"
fc11dd05	343	test "x$have_libavcodec" != "x" \|\| have_libavcodec="no"
d4d62665	344
	345	echo "architecture $ARCH"
	346	echo "platform $platform"
	347	echo "sound drivers $sound_drivers"
	348	echo "C compiler $CC"
	349	echo "C compiler flags $CFLAGS"
	350	echo "libraries $MAIN_LDLIBS"
	351	echo "linker flags $LDFLAGS"
fc11dd05	352	echo "libavcodec (mp3) $have_libavcodec"
d4d62665	353	# echo "ARMv7 optimizations $have_armv7"
d4d62665	354
	355	echo "# Automatically generated by configure" > $config_mak
	356	printf "# Configured with:" >> $config_mak
	357	printf " '%s'" "$0" "$@" >> $config_mak
	358	echo >> $config_mak
	359
	360	echo "CC = $CC" >> $config_mak
	361	echo "CXX = $CXX" >> $config_mak
	362	echo "AS = $AS" >> $config_mak
	363	echo "CFLAGS += $CFLAGS" >> $config_mak
	364	echo "ASFLAGS += $ASFLAGS" >> $config_mak
	365	echo "LDFLAGS += $LDFLAGS" >> $config_mak
	366	echo "LDLIBS += $MAIN_LDLIBS" >> $config_mak
	367	echo >> $config_mak
	368
	369	echo "ARCH = $ARCH" >> $config_mak
	370	echo "PLATFORM = $platform" >> $config_mak
	371	echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
fc11dd05	372	if [ "$have_libavcodec" = "yes" ]; then
	373	echo "HAVE_LIBAVCODEC = 1" >> $config_mak
	374	fi
75a30842	375
	376	# GP2X toolchains are too old for UAL asm,
	377	# so add this here to not litter main Makefile
	378	if [ "$platform" = "g1p2x" ]; then
	379	echo >> $config_mak
	380	echo "%.o: %.S" >> $config_mak
	381	echo " $(CC) $(CFLAGS) -E -c $^ -o /tmp/$(notdir $@).s" >> $config_mak
	382	echo " $(AS) $(ASFLAGS) /tmp/$(notdir $@).s -o $@" >> $config_mak
d4d62665	383	fi
	384
	385	# use pandora's skin (for now)
	386	test -e skin \|\| ln -s platform/pandora/skin skin
	387
	388	# vim:shiftwidth=2:expandtab