[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}"
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 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 [ "$platform" = "maemo" ]; then
  maemo_cflags=`pkg-config --cflags hildon-1`
  maemo_ldlibs=`pkg-config --libs hildon-1`
  CFLAGS="$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 "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 "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
4132e8ca	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-${CROSS_COMPILE}gcc}"
	44	AS="${AS-${CROSS_COMPILE}as}"
	45	AR="${AS-${CROSS_COMPILE}ar}"
	46	config_mak="config.mak"
	47
	48	# call during arg parsing, so that cmd line can override platform defaults
	49	set_platform()
	50	{
	51	platform=$1
	52	case "$platform" in
	53	generic)
	54	;;
	55	pandora)
	56	sound_driver="oss"
	57	ram_fixed="yes"
	58	drc_cache_base="yes"
	59	optimize_cortexa8="yes"
	60	have_arm_neon="yes"
	61	;;
	62	maemo)
	63	ram_fixed="yes"
	64	drc_cache_base="yes"
65	optimize_cortexa8="yes"
66	have_arm_neon="yes"
67	;;
68	caanoo)
69	sound_driver="oss"
70	ram_fixed="yes"
71	drc_cache_base="yes"
72	optimize_arm926ej="yes"
73	;;
74	*)
75	echo "unsupported platform: $platform"
76	exit 1
77	;;
78	esac
79	}
80
81	for opt do
82	optarg=`expr "x$opt" : 'x[^=]=\(.\)'` \|\| true
83	case "$opt" in
84	--help\|-h) show_help="yes"
85	;;
86	--platform=*) set_platform "$optarg"
87	;;
88	--sound-driver=*) sound_driver="$optarg"
89	;;
90	--enable-neon) have_arm_neon="yes"
91	;;
92	--disable-neon) have_arm_neon="no"
93	;;
94	--disable-dynarec) enable_dynarec="no"
95	;;
96	*) echo "ERROR: unknown option $opt"; show_help="yes"
97	;;
98	esac
99	done
100
101	if [ "$show_help" = "yes" ]; then
102	echo "options:"
103	echo " --help print this message"
104	echo " --platform=NAME target platform [$platform]"
105	echo " available: $platform_list"
106	echo " --sound-driver=NAME sound output driver [$sound_driver]"
107	echo " available: $sound_driver_list"
108	echo " --enable-neon"
109	echo " --disable-neon enable/disable ARM NEON optimizations [guessed]"
110	echo " --disable-dynarec disable dynamic recompiler"
111	echo " (dynarec is only available and enabled on ARM)"
112	echo "influential environment variables:"
113	echo " CROSS_COMPILE CC AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
114	exit 1
115	fi
116
117	case "$sound_driver" in
118	oss\|alsa\|none)
119	;;
120	*)
121	echo "unsupported sound driver: $sound_driver"
122	exit 1
123	;;
124	esac
125
126	if [ -z "$ARCH" ]; then
127	ARCH=`$CC -v 2>&1 \| grep -i 'target:' \| awk '{print $2}' \
128	\| awk -F '-' '{print $1}'`
129	fi
130
131	# ARM stuff
132	if [ "$ARCH" = "arm" ]; then
133	if [ "$optimize_cortexa8" = "yes" ]; then
134	# both: -mfpu=neon
135	CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
136	ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
137	fi
138	if [ "$optimize_arm926ej" = "yes" ]; then
139	CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
140	ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
141	fi
142
143	if [ "x$have_arm_neon" = "x" ]; then
144	# detect NEON from user-supplied cflags to enable asm code
145	have_arm_neon=`check_define __ARM_NEON__ && echo yes` \|\| true
146	fi
147	if [ "x$have_armv6" = "x" ]; then
148	have_armv6=`check_define __ARM_ARCH_6 && echo yes` \|\| true
149	fi
150	if [ "x$have_armv7" = "x" ]; then
151	if check_define __ARM_ARCH_7A__; then
152	have_armv6="yes"
153	have_armv7="yes"
154	fi
155	fi
156
157	# set mfpu and mfloat-abi if they are not set
158	if [ "$have_arm_neon" = "yes" ]; then
159	echo "$CFLAGS" \| grep -q -- '-mfpu=' \|\| CFLAGS="$CFLAGS -mfpu=neon"
160	echo "$ASFLAGS" \| grep -q -- '-mfpu=' \|\| ASFLAGS="$ASFLAGS -mfpu=neon"
161	elif [ "$have_armv6" = "yes" ]; then
162	echo "$CFLAGS" \| grep -q -- '-mfpu=' \|\| CFLAGS="$CFLAGS -mfpu=vfp"
163	echo "$ASFLAGS" \| grep -q -- '-mfpu=' \|\| ASFLAGS="$ASFLAGS -mfpu=vfp"
164	fi
165	if [ "$have_armv6" = "yes" ]; then
166	echo "$CFLAGS" \| grep -q -- '-mfloat-abi=' \|\| CFLAGS="$CFLAGS -mfloat-abi=softfp"
167	echo "$ASFLAGS" \| grep -q -- '-mfloat-abi=' \|\| ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
168	fi
169
170	if [ "$have_armv7" = "yes" ]; then
171	ASFLAGS="$ASFLAGS --defsym HAVE_ARMV7=1"
172	else
173	ASFLAGS="$ASFLAGS --defsym HAVE_ARMV7=0"
174	fi
175	else
176	# dynarec only available on ARM
177	enable_dynarec="no"
178	fi
179
180	if [ "$ARCH" = "x86_64" ]; then
181	# currently we are full of 32bit assumptions,
182	# at least savestate compatibility will break without these
183	CFLAGS="$CFLAGS -m32"
184	LDFLAGS="$LDFLAGS -m32"
185	fi
186
187	# supposedly we can avoid -fPIC on armv5 for slightly better performace?
188	if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
189	PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
190	fi
191
192	if [ "$ram_fixed" = "yes" ]; then
193	CFLAGS="$CFLAGS -DRAM_FIXED"
194	fi
195
196	if [ "$platform" = "maemo" ]; then
197	maemo_cflags=`pkg-config --cflags hildon-1`
198	maemo_ldlibs=`pkg-config --libs hildon-1`
199	CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES $maemo_cflags"
200	LDFLAGS="$LDFLAGS $maemo_ldlibs"
201	fi
202
203	# check for tslib (only headers needed)
204	if [ "x$have_tslib" = "x" ]; then
205	cat > $TMPC <<EOF
206	#include <tslib.h>
207	void test(struct ts_sample sample) {}
208	EOF
209	if compile_object; then
210	have_tslib="yes"
211	else
212	have_tslib="no"
213	fi
214	fi
215
216	# set things that failed to autodetect to "no"
217	test "x$have_armv6" != "x" \|\| have_armv6="no"
218	test "x$have_armv7" != "x" \|\| have_armv7="no"
219	test "x$have_arm_neon" != "x" \|\| have_arm_neon="no"
220
221	echo "architecture $ARCH"
222	echo "platform $platform"
223	echo "sound driver $sound_driver"
224	echo "C compiler $CC"
225	echo "C compiler flags $CFLAGS"
226	echo "enable dynarec $enable_dynarec"
227	echo "ARMv7 optimizations $have_armv7"
228	echo "enable ARM NEON $have_arm_neon"
229	echo "tslib support $have_tslib"
230
231	echo "# Automatically generated by configure" > $config_mak
232	printf "# Configured with:" >> $config_mak
233	printf " '%s'" "$0" "$@" >> $config_mak
234	echo >> $config_mak
235
236	echo "CC = $CC" >> $config_mak
237	echo "AS = $AS" >> $config_mak
238	echo "CFLAGS += $CFLAGS" >> $config_mak
239	echo "ASFLAGS += $ASFLAGS" >> $config_mak
240	echo "LDFLAGS += $LDFLAGS" >> $config_mak
241	echo "LDLIBS += $LDLIBS" >> $config_mak
242	echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
243	echo >> $config_mak
244
245	echo "ARCH = $ARCH" >> $config_mak
246	echo "PLATFORM = $platform" >> $config_mak
247	case "$sound_driver" in
248	oss)
249	echo "USE_OSS = 1" >> $config_mak
250	;;
251	alsa)
252	echo "USE_ALSA = 1" >> $config_mak
253	;;
254	none)
255	echo "USE_NO_SOUND = 1" >> $config_mak
256	;;
257	esac
258	if [ "$have_armv6" = "yes" ]; then
259	echo "HAVE_ARMV6 = 1" >> $config_mak
260	fi
261	if [ "$have_armv7" = "yes" ]; then
262	echo "HAVE_ARMV7 = 1" >> $config_mak
263	fi
264	if [ "$have_arm_neon" = "yes" ]; then
265	echo "HAVE_NEON = 1" >> $config_mak
266	fi
267	if [ "$have_tslib" = "yes" ]; then
268	echo "HAVE_TSLIB = 1" >> $config_mak
269	fi
270	if [ "$enable_dynarec" = "yes" ]; then
271	echo "USE_DYNAREC = 1" >> $config_mak
272	fi
273	if [ "$drc_cache_base" = "yes" ]; then
274	echo "DRC_CACHE_BASE = 1" >> $config_mak
275	fi
276
277	# vim:shiftwidth=2:expandtab