configure

   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 $1 || return 1
  21   return 0
  22 }
  23
  24 # setting options to "yes" or "no" will make that choice default,
  25 # "" means "autodetect".
  26
  27 platform_list="generic pandora maemo caanoo libretro"
  28 platform="generic"
  29 builtin_gpu_list="peops unai neon"
  30 builtin_gpu=""
  31 sound_driver_list="oss alsa libretro none"
  32 sound_driver="alsa"
  33 plugins="plugins/spunull/spunull.so \
  34 plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
  35 ram_fixed="no"
  36 drc_cache_base="no"
  37 have_armv6=""
  38 have_armv7=""
  39 have_arm_neon=""
  40 have_tslib=""
  41 enable_dynarec="yes"
  42 # these are for known platforms
  43 optimize_cortexa8="no"
  44 optimize_arm926ej="no"
  45
  46 # hardcoded stuff
  47 CC="${CC-${CROSS_COMPILE}gcc}"
  48 CXX="${CXX-${CROSS_COMPILE}g++}"
  49 AS="${AS-${CROSS_COMPILE}as}"
  50 AR="${AS-${CROSS_COMPILE}ar}"
  51 config_mak="config.mak"
  52
  53 # call during arg parsing, so that cmd line can override platform defaults
  54 set_platform()
  55 {
  56   platform=$1
  57   case "$platform" in
  58   generic)
  59     ;;
  60   pandora)
  61     sound_driver="oss"
  62     ram_fixed="yes"
  63     drc_cache_base="yes"
  64     optimize_cortexa8="yes"
  65     have_arm_neon="yes"
  66     ;;
  67   maemo)
  68     ram_fixed="yes"
  69     drc_cache_base="yes"
  70     optimize_cortexa8="yes"
  71     have_arm_neon="yes"
  72     ;;
  73   caanoo)
  74     sound_driver="oss"
  75     ram_fixed="yes"
  76     drc_cache_base="yes"
  77     optimize_arm926ej="yes"
  78     ;;
  79   libretro)
  80     sound_driver="libretro"
  81     ;;
  82   *)
  83     echo "unsupported platform: $platform"
  84     exit 1
  85     ;;
  86   esac
  87 }
  88
  89 for opt do
  90   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
  91   case "$opt" in
  92   --help|-h) show_help="yes"
  93   ;;
  94   --platform=*) set_platform "$optarg"
  95   ;;
  96   --gpu=*) builtin_gpu="$optarg"
  97   ;;
  98   --sound-driver=*) sound_driver="$optarg"
  99   ;;
 100   --enable-neon) have_arm_neon="yes"
 101   ;;
 102   --disable-neon) have_arm_neon="no"
 103   ;;
 104   --disable-dynarec) enable_dynarec="no"
 105   ;;
 106   *) echo "ERROR: unknown option $opt"; show_help="yes"
 107   ;;
 108   esac
 109 done
 110
 111 if [ "$show_help" = "yes" ]; then
 112   echo "options:"
 113   echo "  --help                   print this message"
 114   echo "  --platform=NAME          target platform [$platform]"
 115   echo "                           available: $platform_list"
 116   echo "  --gpu=NAME               builtin gpu plugin [guessed]"
 117   echo "                           available: $builtin_gpu_list"
 118   echo "  --sound-driver=NAME      sound output driver [$sound_driver]"
 119   echo "                           available: $sound_driver_list"
 120   echo "  --enable-neon"
 121   echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
 122   echo "  --disable-dynarec        disable dynamic recompiler"
 123   echo "                           (dynarec is only available and enabled on ARM)"
 124   echo "influential environment variables:"
 125   echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
 126   exit 1
 127 fi
 128
 129 if [ "x$builtin_gpu" != "x" ]; then
 130   case "$builtin_gpu" in
 131   peops|unai|neon)
 132     ;;
 133   *)
 134     echo "unsupported builtin gpu plugin: $builtin_gpu"
 135     exit 1
 136     ;;
 137   esac
 138 fi
 139
 140 case "$sound_driver" in
 141 oss|alsa|libretro|none)
 142   ;;
 143 *)
 144   echo "unsupported sound driver: $sound_driver"
 145   exit 1
 146   ;;
 147 esac
 148
 149 if [ -z "$ARCH" ]; then
 150   ARCH=`$CC -v 2>&1 | grep -i 'target:' | awk '{print $2}' \
 151         | awk -F '-' '{print $1}'`
 152 fi
 153
 154 # ARM stuff
 155 if [ "$ARCH" = "arm" ]; then
 156   if [ "$optimize_cortexa8" = "yes" ]; then
 157   # both: -mfpu=neon
 158     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
 159     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
 160   fi
 161   if [ "$optimize_arm926ej" = "yes" ]; then
 162     CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
 163     ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
 164   fi
 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_armv6" = "x" ]; then
 171     have_armv6=`check_define __ARM_ARCH_6 && echo yes` || true
 172   fi
 173   if [ "x$have_armv7" = "x" ]; then
 174     if check_define __ARM_ARCH_7A__; then
 175       have_armv6="yes"
 176       have_armv7="yes"
 177     fi
 178   fi
 179
 180   if [ "x$builtin_gpu" = "x" ]; then
 181     if [ "$have_arm_neon" = "yes" ]; then
 182       builtin_gpu="neon"
 183     elif [ "$have_armv7" != "yes" ]; then
 184       # pre-ARMv7 hardware is usually not fast enough for peops
 185       builtin_gpu="unai"
 186     else
 187       builtin_gpu="peops"
 188     fi
 189   fi
 190
 191   # set mfpu and mfloat-abi if they are not set
 192   if [ "$have_arm_neon" = "yes" ]; then
 193     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=neon"
 194     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=neon"
 195   elif [ "$have_armv6" = "yes" ]; then
 196     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=vfp"
 197     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=vfp"
 198   fi
 199   if [ "$have_armv6" = "yes" ]; then
 200     echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
 201     echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
 202   fi
 203
 204   # must disable -mthumb as recompiler can't handle it
 205   if check_define __thumb__; then
 206     CFLAGS="$CFLAGS -mno-thumb"
 207   fi
 208
 209   if [ "$have_armv7" = "yes" ]; then
 210     ASFLAGS="$ASFLAGS --defsym HAVE_ARMV7=1"
 211   else
 212     ASFLAGS="$ASFLAGS --defsym HAVE_ARMV7=0"
 213   fi
 214 else
 215   # dynarec only available on ARM
 216   enable_dynarec="no"
 217 fi
 218
 219 if [ "x$builtin_gpu" = "x" ]; then
 220   builtin_gpu="peops"
 221 fi
 222
 223 if [ "$ARCH" = "x86_64" ]; then
 224   # currently we are full of 32bit assumptions,
 225   # at least savestate compatibility will break without these
 226   CFLAGS="$CFLAGS -m32"
 227   LDFLAGS="$LDFLAGS -m32"
 228 fi
 229
 230 # supposedly we can avoid -fPIC on armv5 for slightly better performace?
 231 if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
 232   PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
 233 fi
 234
 235 if [ "$ram_fixed" = "yes" ]; then
 236   CFLAGS="$CFLAGS -DRAM_FIXED"
 237 fi
 238
 239 case "$platform" in
 240 generic)
 241   generic_cflags=`sdl-config --cflags`
 242   generic_ldlibs=`sdl-config --libs`
 243   CFLAGS="$CFLAGS $generic_cflags"
 244   LDFLAGS="$LDFLAGS $generic_ldlibs"
 245   ;;
 246 maemo)
 247   maemo_cflags=`pkg-config --cflags hildon-1`
 248   maemo_ldlibs=`pkg-config --libs hildon-1`
 249   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES $maemo_cflags"
 250   LDFLAGS="$LDFLAGS $maemo_ldlibs"
 251   ;;
 252 libretro)
 253   CFLAGS="$CFLAGS -fPIC"
 254   LDFLAGS="$LDFLAGS -shared"
 255   ;;
 256 esac
 257
 258 # check for tslib (only headers needed)
 259 if [ "x$have_tslib" = "x" ]; then
 260   cat > $TMPC <<EOF
 261   #include <tslib.h>
 262   void test(struct ts_sample sample) {}
 263 EOF
 264   if compile_object; then
 265     have_tslib="yes"
 266   else
 267     have_tslib="no"
 268   fi
 269 fi
 270
 271 # check for GLES headers
 272 cat > $TMPC <<EOF
 273 #include <GLES/gl.h>
 274 #include <GLES/glext.h>
 275 #include <EGL/egl.h>
 276 void *test(void) {
 277   return eglGetDisplay( (EGLNativeDisplayType)0 );
 278 }
 279 EOF
 280 if compile_object; then
 281   plugins="$plugins plugins/gpu-gles/gpu_gles.so"
 282 fi
 283
 284 if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
 285   plugins="$plugins plugins/gpu_neon/gpu_neon.so"
 286 fi
 287
 288 # short plugin list for display
 289 for p in $plugins; do
 290   p1=`basename $p`
 291   plugins_short="$p1 $plugins_short"
 292 done
 293
 294 # set things that failed to autodetect to "no"
 295 test "x$have_armv6" != "x" || have_armv6="no"
 296 test "x$have_armv7" != "x" || have_armv7="no"
 297 test "x$have_arm_neon" != "x" || have_arm_neon="no"
 298
 299 echo "architecture        $ARCH"
 300 echo "platform            $platform"
 301 echo "built-in GPU        $builtin_gpu"
 302 echo "sound driver        $sound_driver"
 303 echo "plugins             $plugins_short"
 304 echo "C compiler          $CC"
 305 echo "C compiler flags    $CFLAGS"
 306 echo "linker flags        $LDFLAGS"
 307 echo "enable dynarec      $enable_dynarec"
 308 echo "ARMv7 optimizations $have_armv7"
 309 echo "enable ARM NEON     $have_arm_neon"
 310 echo "tslib support       $have_tslib"
 311
 312 echo "# Automatically generated by configure" > $config_mak
 313 printf "# Configured with:" >> $config_mak
 314 printf " '%s'" "$0" "$@" >> $config_mak
 315 echo >> $config_mak
 316
 317 echo "CC = $CC" >> $config_mak
 318 echo "CXX = $CXX" >> $config_mak
 319 echo "AS = $AS" >> $config_mak
 320 echo "CFLAGS += $CFLAGS" >> $config_mak
 321 echo "ASFLAGS += $ASFLAGS" >> $config_mak
 322 echo "LDFLAGS += $LDFLAGS" >> $config_mak
 323 echo "LDLIBS += $LDLIBS" >> $config_mak
 324 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
 325 echo >> $config_mak
 326
 327 if [ "$platform" = "libretro" ]; then
 328   echo "TARGET = libretro.so" >> $config_mak
 329 fi
 330 echo "ARCH = $ARCH" >> $config_mak
 331 echo "PLATFORM = $platform" >> $config_mak
 332 echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
 333 echo "SOUND_DRIVER = $sound_driver" >> $config_mak
 334 if [ "$ARCH" = "arm" ]; then
 335   echo "PLUGINS = $plugins" >> $config_mak
 336 else
 337   echo -n "PLUGINS =" >> $config_mak
 338   for p in $plugins; do
 339     echo -n " ${p}.${ARCH}" >> $config_mak
 340   done
 341   echo >> $config_mak
 342 fi
 343 if [ "$have_armv6" = "yes" ]; then
 344   echo "HAVE_ARMV6 = 1" >> $config_mak
 345 fi
 346 if [ "$have_armv7" = "yes" ]; then
 347   echo "HAVE_ARMV7 = 1" >> $config_mak
 348 fi
 349 if [ "$have_arm_neon" = "yes" ]; then
 350   echo "HAVE_NEON = 1" >> $config_mak
 351 fi
 352 if [ "$have_tslib" = "yes" ]; then
 353   echo "HAVE_TSLIB = 1" >> $config_mak
 354 fi
 355 if [ "$enable_dynarec" = "yes" ]; then
 356   echo "USE_DYNAREC = 1" >> $config_mak
 357 fi
 358 if [ "$drc_cache_base" = "yes" ]; then
 359   echo "DRC_CACHE_BASE = 1" >> $config_mak
 360 fi
 361
 362 # use pandora's skin (for now)
 363 test -e skin || ln -s frontend/pandora/skin skin
 364
 365 # vim:shiftwidth=2:expandtab