configure

   1 #!/bin/sh
   2 # some elements originated from qemu configure
   3 set -e
   4
   5 TMPC="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}.c"
   6 TMPO="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}.o"
   7 TMPB="/tmp/pcsx-conf-${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 $1 || return 1
  29   return 0
  30 }
  31
  32 # setting options to "yes" or "no" will make that choice default,
  33 # "" means "autodetect".
  34
  35 platform_list="generic pandora maemo caanoo libretro"
  36 platform="generic"
  37 builtin_gpu_list="peops unai neon"
  38 builtin_gpu=""
  39 sound_driver_list="oss alsa sdl pulseaudio libretro"
  40 sound_drivers=""
  41 plugins="plugins/spunull/spunull.so \
  42 plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
  43 ram_fixed="no"
  44 drc_cache_base="no"
  45 have_armv6=""
  46 have_armv7=""
  47 have_arm_neon=""
  48 have_tslib=""
  49 enable_dynarec="yes"
  50 need_sdl="no"
  51 # these are for known platforms
  52 optimize_cortexa8="no"
  53 optimize_arm926ej="no"
  54
  55 # hardcoded stuff
  56 CC="${CC-${CROSS_COMPILE}gcc}"
  57 CXX="${CXX-${CROSS_COMPILE}g++}"
  58 AS="${AS-${CROSS_COMPILE}as}"
  59 AR="${AS-${CROSS_COMPILE}ar}"
  60 MAIN_LDLIBS="$LDLIBS -ldl -lm"
  61 config_mak="config.mak"
  62
  63 fail()
  64 {
  65   echo "$@"
  66   exit 1
  67 }
  68
  69 # call during arg parsing, so that cmd line can override platform defaults
  70 set_platform()
  71 {
  72   platform=$1
  73   case "$platform" in
  74   generic)
  75     ;;
  76   pandora)
  77     sound_drivers="oss alsa"
  78     ram_fixed="yes"
  79     drc_cache_base="yes"
  80     optimize_cortexa8="yes"
  81     have_arm_neon="yes"
  82     ;;
  83   maemo)
  84     ram_fixed="yes"
  85     drc_cache_base="yes"
  86     optimize_cortexa8="yes"
  87     have_arm_neon="yes"
  88     ;;
  89   caanoo)
  90     sound_drivers="oss"
  91     ram_fixed="yes"
  92     drc_cache_base="yes"
  93     optimize_arm926ej="yes"
  94     ;;
  95   libretro)
  96     sound_drivers="libretro"
  97     ;;
  98   *)
  99     fail "unsupported platform: $platform"
 100     ;;
 101   esac
 102 }
 103
 104 for opt do
 105   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
 106   case "$opt" in
 107   --help|-h) show_help="yes"
 108   ;;
 109   --platform=*) set_platform "$optarg"
 110   ;;
 111   --gpu=*) builtin_gpu="$optarg"
 112   ;;
 113   --sound-drivers=*) sound_drivers="$optarg"
 114   ;;
 115   --enable-neon) have_arm_neon="yes"
 116   ;;
 117   --disable-neon) have_arm_neon="no"
 118   ;;
 119   --disable-dynarec) enable_dynarec="no"
 120   ;;
 121   *) echo "ERROR: unknown option $opt"; show_help="yes"
 122   ;;
 123   esac
 124 done
 125
 126 if [ "$show_help" = "yes" ]; then
 127   echo "options:"
 128   echo "  --help                   print this message"
 129   echo "  --platform=NAME          target platform [$platform]"
 130   echo "                           available: $platform_list"
 131   echo "  --gpu=NAME               builtin gpu plugin [guessed]"
 132   echo "                           available: $builtin_gpu_list"
 133   echo "  --sound-drivers=LIST     sound output drivers [guessed]"
 134   echo "                           available: $sound_driver_list"
 135   echo "  --enable-neon"
 136   echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
 137   echo "  --disable-dynarec        disable dynamic recompiler"
 138   echo "                           (dynarec is only available and enabled on ARM)"
 139   echo "influential environment variables:"
 140   echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
 141   exit 1
 142 fi
 143
 144 # validate selections
 145 if [ "x$builtin_gpu" != "x" ]; then
 146   if ! echo $builtin_gpu_list | grep -q "\<$builtin_gpu\>"; then
 147     fail "unsupported builtin gpu plugin: $builtin_gpu"
 148   fi
 149 fi
 150
 151 if [ "x$sound_drivers" != "x" ]; then
 152   for d in $sound_drivers; do
 153     if ! echo $sound_driver_list | grep -q "\<$d\>"; then
 154       fail "unsupported sound driver: $sound_driver"
 155     fi
 156   done
 157 fi
 158
 159 if [ -z "$ARCH" ]; then
 160   ARCH=`$CC -v 2>&1 | grep -i 'target:' | awk '{print $2}' \
 161         | awk -F '-' '{print $1}'`
 162 fi
 163
 164 # ARM stuff
 165 if [ "$ARCH" = "arm" ]; then
 166   if [ "$optimize_cortexa8" = "yes" ]; then
 167     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
 168     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
 169   fi
 170   if [ "$optimize_arm926ej" = "yes" ]; then
 171     CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
 172     ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
 173   fi
 174
 175   if [ "x$have_arm_neon" = "x" ]; then
 176     # detect NEON from user-supplied cflags to enable asm code
 177     have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
 178   fi
 179   if [ "x$have_armv6" = "x" ]; then
 180     have_armv6=`check_define __ARM_ARCH_6 && echo yes` || true
 181   fi
 182   if [ "x$have_armv7" = "x" ]; then
 183     if check_define __ARM_ARCH_7A__; then
 184       have_armv6="yes"
 185       have_armv7="yes"
 186     fi
 187   fi
 188
 189   if [ "x$builtin_gpu" = "x" ]; then
 190     if [ "$have_arm_neon" = "yes" ]; then
 191       builtin_gpu="neon"
 192     elif [ "$have_armv7" != "yes" ]; then
 193       # pre-ARMv7 hardware is usually not fast enough for peops
 194       builtin_gpu="unai"
 195     else
 196       builtin_gpu="peops"
 197     fi
 198   fi
 199
 200   # automatically set mfpu and mfloat-abi if they are not set
 201   if [ "$have_arm_neon" = "yes" ]; then
 202     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=neon"
 203     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=neon"
 204   elif [ "$have_armv6" = "yes" ]; then
 205     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=vfp"
 206     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=vfp"
 207   fi
 208   floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
 209   if [ "$floatabi_set_by_gcc" != "yes" -a "$have_armv6" = "yes" ]; then
 210     echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
 211     echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
 212   fi
 213
 214   # must disable thumb as recompiler can't handle it
 215   if check_define __thumb__; then
 216     CFLAGS="$CFLAGS -marm"
 217   fi
 218
 219   if [ "$have_armv7" = "yes" ]; then
 220     ASFLAGS="$ASFLAGS --defsym HAVE_ARMV7=1"
 221   else
 222     ASFLAGS="$ASFLAGS --defsym HAVE_ARMV7=0"
 223   fi
 224 else
 225   # dynarec only available on ARM
 226   enable_dynarec="no"
 227 fi
 228
 229 if [ "x$builtin_gpu" = "x" ]; then
 230   builtin_gpu="peops"
 231 fi
 232
 233 if [ "$ARCH" = "x86_64" ]; then
 234   # currently we are full of 32bit assumptions,
 235   # at least savestate compatibility will break without these
 236   CFLAGS="$CFLAGS -m32"
 237   LDFLAGS="$LDFLAGS -m32"
 238 fi
 239
 240 # supposedly we can avoid -fPIC on armv5 for slightly better performace?
 241 if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
 242   PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
 243 fi
 244
 245 if [ "$ram_fixed" = "yes" ]; then
 246   CFLAGS="$CFLAGS -DRAM_FIXED"
 247 fi
 248
 249 case "$platform" in
 250 generic)
 251   need_sdl="yes"
 252   ;;
 253 maemo)
 254   maemo_cflags=`pkg-config --cflags hildon-1`
 255   maemo_ldlibs=`pkg-config --libs hildon-1`
 256   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES $maemo_cflags"
 257   MAIN_LDLIBS="$MAIN_LDLIBS $maemo_ldlibs"
 258   ;;
 259 libretro)
 260   CFLAGS="$CFLAGS -fPIC"
 261   LDFLAGS="$LDFLAGS -shared"
 262   ;;
 263 esac
 264
 265 # header/library presence tests
 266 check_zlib()
 267 {
 268   cat > $TMPC <<EOF
 269   #include <zlib.h>
 270   void main() { uncompress(0, 0, 0, 0); }
 271 EOF
 272   compile_binary
 273 }
 274
 275 check_bzlib()
 276 {
 277   cat > $TMPC <<EOF
 278   #include <bzlib.h>
 279   void main() { BZ2_bzBuffToBuffDecompress(0, 0, 0, 0, 0, 0); }
 280 EOF
 281   compile_object
 282 }
 283
 284 check_libpng()
 285 {
 286   cat > $TMPC <<EOF
 287   #include <png.h>
 288   void main() { png_init_io(0, 0); }
 289 EOF
 290   compile_binary
 291 }
 292
 293 check_oss()
 294 {
 295   cat > $TMPC <<EOF
 296   #include <sys/soundcard.h>
 297   #include <sys/ioctl.h>
 298   void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
 299 EOF
 300   compile_binary
 301 }
 302
 303 check_alsa()
 304 {
 305   cat > $TMPC <<EOF
 306   #include <alsa/asoundlib.h>
 307   void main() { snd_pcm_open(0, 0, 0, 0); }
 308 EOF
 309   compile_binary "$@"
 310 }
 311
 312 check_sdl()
 313 {
 314   cat > $TMPC <<EOF
 315   #include <SDL.h>
 316   void main() { SDL_OpenAudio(0, 0); }
 317 EOF
 318   compile_binary "$@"
 319 }
 320
 321 MAIN_LDLIBS="$MAIN_LDLIBS -lz"
 322 check_zlib || fail "please install zlib (libz-dev)"
 323
 324 check_bzlib || fail "please install bz2lib (libbz2-dev)"
 325
 326 MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
 327 check_libpng || fail "please install libpng (libpng-dev)"
 328
 329 # find what audio support we can compile
 330 if [ "x$sound_drivers" = "x" ]; then
 331   if check_oss; then sound_drivers="$sound_drivers oss"; fi
 332   if check_alsa -lasound; then
 333     sound_drivers="$sound_drivers alsa"
 334     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 335   fi
 336   if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
 337     sound_drivers="$sound_drivers sdl"
 338     need_sdl="yes"
 339   fi
 340 else
 341   if echo $sound_drivers | grep -q "\<oss\>"; then
 342     check_oss || fail "oss support is missing"
 343   fi
 344   if echo $sound_drivers | grep -q "\<alsa\>"; then
 345     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 346     check_alsa || fail "please install libasound2-dev"
 347   fi
 348 fi
 349
 350 if [ "$need_sdl" = "yes" ]; then
 351   which sdl-config > /dev/null || \
 352     fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
 353   CFLAGS="$CFLAGS `sdl-config --cflags`"
 354   MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
 355   check_sdl || fail "please install libsdl (libsdl1.2-dev)"
 356 fi
 357
 358 # check for tslib (only headers needed)
 359 if [ "x$have_tslib" = "x" ]; then
 360   cat > $TMPC <<EOF
 361   #include <tslib.h>
 362   void test(struct ts_sample sample) {}
 363 EOF
 364   if compile_object; then
 365     have_tslib="yes"
 366   else
 367     have_tslib="no"
 368   fi
 369 fi
 370
 371 # check for GLES headers
 372 cat > $TMPC <<EOF
 373 #include <GLES/gl.h>
 374 #include <GLES/glext.h>
 375 #include <EGL/egl.h>
 376 void *test(void) {
 377   return eglGetDisplay( (EGLNativeDisplayType)0 );
 378 }
 379 EOF
 380 if compile_object; then
 381   plugins="$plugins plugins/gpu-gles/gpu_gles.so"
 382 fi
 383
 384 if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
 385   plugins="$plugins plugins/gpu_neon/gpu_neon.so"
 386 fi
 387
 388 cat > $TMPC <<EOF
 389 void test(void *f, void *d) { fread(d, 1, 1, f); }
 390 EOF
 391 if compile_object -Wno-unused-result; then
 392   CFLAGS="$CFLAGS -Wno-unused-result"
 393 fi
 394
 395 # short plugin list for display
 396 for p in $plugins; do
 397   p1=`basename $p`
 398   plugins_short="$p1 $plugins_short"
 399 done
 400
 401 # set things that failed to autodetect to "no"
 402 test "x$have_armv6" != "x" || have_armv6="no"
 403 test "x$have_armv7" != "x" || have_armv7="no"
 404 test "x$have_arm_neon" != "x" || have_arm_neon="no"
 405
 406 echo "architecture        $ARCH"
 407 echo "platform            $platform"
 408 echo "built-in GPU        $builtin_gpu"
 409 echo "sound drivers       $sound_drivers"
 410 echo "plugins             $plugins_short"
 411 echo "C compiler          $CC"
 412 echo "C compiler flags    $CFLAGS"
 413 echo "libraries           $MAIN_LDLIBS"
 414 echo "linker flags        $LDFLAGS"
 415 echo "enable dynarec      $enable_dynarec"
 416 echo "ARMv7 optimizations $have_armv7"
 417 echo "enable ARM NEON     $have_arm_neon"
 418 echo "tslib support       $have_tslib"
 419
 420 echo "# Automatically generated by configure" > $config_mak
 421 printf "# Configured with:" >> $config_mak
 422 printf " '%s'" "$0" "$@" >> $config_mak
 423 echo >> $config_mak
 424
 425 echo "CC = $CC" >> $config_mak
 426 echo "CXX = $CXX" >> $config_mak
 427 echo "AS = $AS" >> $config_mak
 428 echo "CFLAGS += $CFLAGS" >> $config_mak
 429 echo "ASFLAGS += $ASFLAGS" >> $config_mak
 430 echo "LDFLAGS += $LDFLAGS" >> $config_mak
 431 echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
 432 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
 433 echo >> $config_mak
 434
 435 if [ "$platform" = "libretro" ]; then
 436   echo "TARGET = libretro.so" >> $config_mak
 437 fi
 438 echo "ARCH = $ARCH" >> $config_mak
 439 echo "PLATFORM = $platform" >> $config_mak
 440 echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
 441 echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
 442 if [ "$ARCH" = "arm" ]; then
 443   echo "PLUGINS = $plugins" >> $config_mak
 444 else
 445   echo -n "PLUGINS =" >> $config_mak
 446   for p in $plugins; do
 447     echo -n " ${p}.${ARCH}" >> $config_mak
 448   done
 449   echo >> $config_mak
 450 fi
 451 if [ "$have_armv6" = "yes" ]; then
 452   echo "HAVE_ARMV6 = 1" >> $config_mak
 453 fi
 454 if [ "$have_armv7" = "yes" ]; then
 455   echo "HAVE_ARMV7 = 1" >> $config_mak
 456 fi
 457 if [ "$have_arm_neon" = "yes" ]; then
 458   echo "HAVE_NEON = 1" >> $config_mak
 459 fi
 460 if [ "$have_tslib" = "yes" ]; then
 461   echo "HAVE_TSLIB = 1" >> $config_mak
 462 fi
 463 if [ "$enable_dynarec" = "yes" ]; then
 464   echo "USE_DYNAREC = 1" >> $config_mak
 465 fi
 466 if [ "$drc_cache_base" = "yes" ]; then
 467   echo "DRC_CACHE_BASE = 1" >> $config_mak
 468 fi
 469
 470 # use pandora's skin (for now)
 471 test -e skin || ln -s frontend/pandora/skin skin
 472
 473 # vim:shiftwidth=2:expandtab