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 $1 || return 1
  29   return 0
  30 }
  31
  32 # setting options to "yes" or "no" will make that choice default,
  33 # "" means "autodetect".
  34
  35 platform_list="generic pandora maemo caanoo libretro"
  36 platform="generic"
  37 builtin_gpu_list="peops unai neon"
  38 builtin_gpu=""
  39 sound_driver_list="oss alsa sdl pulseaudio libretro"
  40 sound_drivers=""
  41 plugins="plugins/spunull/spunull.so \
  42 plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
  43 ram_fixed="no"
  44 drc_cache_base="no"
  45 have_armv6=""
  46 have_armv7=""
  47 have_arm_neon=""
  48 have_tslib=""
  49 have_gles=""
  50 enable_dynarec="yes"
  51 need_sdl="no"
  52 need_libpicofe="yes"
  53 need_warm="no"
  54 CFLAGS_GLES=""
  55 LDLIBS_GLES=""
  56 # these are for known platforms
  57 optimize_cortexa8="no"
  58 optimize_arm926ej="no"
  59
  60 # hardcoded stuff
  61 CC="${CC-${CROSS_COMPILE}gcc}"
  62 CXX="${CXX-${CROSS_COMPILE}g++}"
  63 AS="${AS-${CROSS_COMPILE}as}"
  64 AR="${AS-${CROSS_COMPILE}ar}"
  65 MAIN_LDLIBS="$LDLIBS -ldl -lm"
  66 config_mak="config.mak"
  67
  68 fail()
  69 {
  70   echo "$@"
  71   exit 1
  72 }
  73
  74 # call during arg parsing, so that cmd line can override platform defaults
  75 set_platform()
  76 {
  77   platform=$1
  78   case "$platform" in
  79   generic)
  80     ;;
  81   pandora)
  82     sound_drivers="oss alsa"
  83     ram_fixed="yes"
  84     drc_cache_base="yes"
  85     optimize_cortexa8="yes"
  86     have_arm_neon="yes"
  87     ;;
  88   maemo)
  89     ram_fixed="yes"
  90     drc_cache_base="yes"
  91     optimize_cortexa8="yes"
  92     have_arm_neon="yes"
  93     ;;
  94   caanoo)
  95     sound_drivers="oss"
  96     ram_fixed="yes"
  97     drc_cache_base="yes"
  98     optimize_arm926ej="yes"
  99     need_warm="yes"
 100     ;;
 101   libretro)
 102     sound_drivers="libretro"
 103     need_libpicofe="no"
 104     ;;
 105   *)
 106     fail "unsupported platform: $platform"
 107     ;;
 108   esac
 109 }
 110
 111 for opt do
 112   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
 113   case "$opt" in
 114   --help|-h) show_help="yes"
 115   ;;
 116   --platform=*) set_platform "$optarg"
 117   ;;
 118   --gpu=*) builtin_gpu="$optarg"
 119   ;;
 120   --sound-drivers=*) sound_drivers="$optarg"
 121   ;;
 122   --enable-neon) have_arm_neon="yes"
 123   ;;
 124   --disable-neon) have_arm_neon="no"
 125   ;;
 126   --disable-dynarec) enable_dynarec="no"
 127   ;;
 128   *) echo "ERROR: unknown option $opt"; show_help="yes"
 129   ;;
 130   esac
 131 done
 132
 133 if [ "$show_help" = "yes" ]; then
 134   echo "options:"
 135   echo "  --help                   print this message"
 136   echo "  --platform=NAME          target platform [$platform]"
 137   echo "                           available: $platform_list"
 138   echo "  --gpu=NAME               builtin gpu plugin [guessed]"
 139   echo "                           available: $builtin_gpu_list"
 140   echo "  --sound-drivers=LIST     sound output drivers [guessed]"
 141   echo "                           available: $sound_driver_list"
 142   echo "  --enable-neon"
 143   echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
 144   echo "  --disable-dynarec        disable dynamic recompiler"
 145   echo "                           (dynarec is only available and enabled on ARM)"
 146   echo "influential environment variables:"
 147   echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
 148   exit 1
 149 fi
 150
 151 # validate selections
 152 if [ "x$builtin_gpu" != "x" ]; then
 153   if ! echo $builtin_gpu_list | grep -q "\<$builtin_gpu\>"; then
 154     fail "unsupported builtin gpu plugin: $builtin_gpu"
 155   fi
 156 fi
 157
 158 if [ "x$sound_drivers" != "x" ]; then
 159   for d in $sound_drivers; do
 160     if ! echo $sound_driver_list | grep -q "\<$d\>"; then
 161       fail "unsupported sound driver: $sound_driver"
 162     fi
 163   done
 164 fi
 165
 166 if [ "$need_libpicofe" = "yes" ]; then
 167   if ! test -f "frontend/libpicofe/README"; then
 168     fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
 169   fi
 170 fi
 171
 172 if [ "$need_warm" = "yes" ]; then
 173   if ! test -f "frontend/warm/README"; then
 174     fail "wARM is missing, please run 'git submodule init && git submodule update'"
 175   fi
 176 fi
 177
 178 if [ -z "$ARCH" ]; then
 179   ARCH=`$CC -v 2>&1 | grep -i 'target:' | awk '{print $2}' \
 180         | awk -F '-' '{print $1}'`
 181 fi
 182
 183 # ARM stuff
 184 if [ "$ARCH" = "arm" ]; then
 185   if [ "$optimize_cortexa8" = "yes" ]; then
 186     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
 187     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
 188   fi
 189   if [ "$optimize_arm926ej" = "yes" ]; then
 190     CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
 191     ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
 192   fi
 193
 194   if [ "x$have_arm_neon" = "x" ]; then
 195     # detect NEON from user-supplied cflags to enable asm code
 196     have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
 197   fi
 198   if [ "x$have_armv6" = "x" ]; then
 199     have_armv6=`check_define __ARM_ARCH_6 && echo yes` || true
 200   fi
 201   if [ "x$have_armv7" = "x" ]; then
 202     if check_define __ARM_ARCH_7A__; then
 203       have_armv6="yes"
 204       have_armv7="yes"
 205     fi
 206   fi
 207
 208   if [ "x$builtin_gpu" = "x" ]; then
 209     if [ "$have_arm_neon" = "yes" ]; then
 210       builtin_gpu="neon"
 211     elif [ "$have_armv7" != "yes" ]; then
 212       # pre-ARMv7 hardware is usually not fast enough for peops
 213       builtin_gpu="unai"
 214     else
 215       builtin_gpu="peops"
 216     fi
 217   fi
 218
 219   # automatically set mfpu and mfloat-abi if they are not set
 220   if [ "$have_arm_neon" = "yes" ]; then
 221     fpu="neon"
 222   elif [ "$have_armv6" = "yes" ]; then
 223     fpu="vfp"
 224   fi
 225   if [ "x$fpu" != "x" ]; then
 226     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
 227     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
 228     floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
 229     if [ "$floatabi_set_by_gcc" != "yes" ]; then
 230       echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
 231       echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
 232     fi
 233   fi
 234
 235   # must disable thumb as recompiler can't handle it
 236   if check_define __thumb__; then
 237     CFLAGS="$CFLAGS -marm"
 238   fi
 239 else
 240   # dynarec only available on ARM
 241   enable_dynarec="no"
 242 fi
 243
 244 if [ "x$builtin_gpu" = "x" ]; then
 245   builtin_gpu="peops"
 246 fi
 247
 248 # supposedly we can avoid -fPIC on armv5 for slightly better performace?
 249 if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
 250   PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
 251 fi
 252
 253 if [ "$ram_fixed" = "yes" ]; then
 254   CFLAGS="$CFLAGS -DRAM_FIXED"
 255 fi
 256
 257 case "$platform" in
 258 generic)
 259   need_sdl="yes"
 260   ;;
 261 maemo)
 262   maemo_cflags=`pkg-config --cflags hildon-1`
 263   maemo_ldlibs=`pkg-config --libs hildon-1`
 264   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES $maemo_cflags"
 265   MAIN_LDLIBS="$MAIN_LDLIBS $maemo_ldlibs"
 266   ;;
 267 libretro)
 268   CFLAGS="$CFLAGS -fPIC"
 269   MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
 270   ;;
 271 esac
 272
 273 # header/library presence tests
 274 check_zlib()
 275 {
 276   cat > $TMPC <<EOF
 277   #include <zlib.h>
 278   int main(void) { uncompress(0, 0, 0, 0); }
 279 EOF
 280   compile_binary
 281 }
 282
 283 check_libpng()
 284 {
 285   cat > $TMPC <<EOF
 286   #include <png.h>
 287   void main() { png_init_io(0, 0); }
 288 EOF
 289   compile_binary
 290 }
 291
 292 check_oss()
 293 {
 294   cat > $TMPC <<EOF
 295   #include <sys/soundcard.h>
 296   #include <sys/ioctl.h>
 297   void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
 298 EOF
 299   compile_binary
 300 }
 301
 302 check_alsa()
 303 {
 304   cat > $TMPC <<EOF
 305   #include <alsa/asoundlib.h>
 306   void main() { snd_pcm_open(0, 0, 0, 0); }
 307 EOF
 308   compile_binary "$@"
 309 }
 310
 311 check_sdl()
 312 {
 313   cat > $TMPC <<EOF
 314   #include <SDL.h>
 315   void main() { SDL_OpenAudio(0, 0); }
 316 EOF
 317   compile_binary "$@"
 318 }
 319
 320 MAIN_LDLIBS="$MAIN_LDLIBS -lz"
 321 check_zlib || fail "please install zlib (libz-dev)"
 322
 323 MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
 324 check_libpng || fail "please install libpng (libpng-dev)"
 325
 326 # find what audio support we can compile
 327 if [ "x$sound_drivers" = "x" ]; then
 328   if check_oss; then sound_drivers="$sound_drivers oss"; fi
 329   if check_alsa -lasound; then
 330     sound_drivers="$sound_drivers alsa"
 331     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 332   fi
 333   if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
 334     sound_drivers="$sound_drivers sdl"
 335     need_sdl="yes"
 336   fi
 337 else
 338   if echo $sound_drivers | grep -q "\<oss\>"; then
 339     check_oss || fail "oss support is missing"
 340   fi
 341   if echo $sound_drivers | grep -q "\<alsa\>"; then
 342     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 343     check_alsa || fail "please install libasound2-dev"
 344   fi
 345 fi
 346
 347 if [ "$need_sdl" = "yes" ]; then
 348   which sdl-config > /dev/null || \
 349     fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
 350   CFLAGS="$CFLAGS `sdl-config --cflags`"
 351   MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
 352   check_sdl || fail "please install libsdl (libsdl1.2-dev)"
 353 fi
 354
 355 # check for tslib (only headers needed)
 356 if [ "x$have_tslib" = "x" ]; then
 357   cat > $TMPC <<EOF
 358   #include <tslib.h>
 359   void test(struct ts_sample sample) {}
 360 EOF
 361   if compile_object; then
 362     have_tslib="yes"
 363   else
 364     have_tslib="no"
 365   fi
 366 fi
 367
 368 # check for VideoCore stuff for Raspberry Pi
 369 if [ -d /opt/vc/include -a -d /opt/vc/lib ]; then
 370   CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads"
 371   LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
 372 fi
 373
 374 # check for GLES headers
 375 cat > $TMPC <<EOF
 376 #include <GLES/gl.h>
 377 #include <EGL/egl.h>
 378 int main(void) {
 379   return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
 380 }
 381 EOF
 382 if compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
 383   have_gles="yes"
 384   LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
 385 elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
 386   have_gles="yes"
 387   LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
 388 fi
 389
 390 if [ "$have_gles" = "yes" ]; then
 391   plugins="$plugins plugins/gpu-gles/gpu_gles.so"
 392 fi
 393 if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
 394   plugins="$plugins plugins/gpu_neon/gpu_neon.so"
 395 fi
 396
 397 cat > $TMPC <<EOF
 398 void test(void *f, void *d) { fread(d, 1, 1, f); }
 399 EOF
 400 if compile_object -Wno-unused-result; then
 401   CFLAGS="$CFLAGS -Wno-unused-result"
 402 fi
 403
 404 # short plugin list for display
 405 for p in $plugins; do
 406   p1=`basename $p`
 407   plugins_short="$p1 $plugins_short"
 408 done
 409
 410 # set things that failed to autodetect to "no"
 411 test "x$have_armv6" != "x" || have_armv6="no"
 412 test "x$have_armv7" != "x" || have_armv7="no"
 413 test "x$have_arm_neon" != "x" || have_arm_neon="no"
 414
 415 echo "architecture        $ARCH"
 416 echo "platform            $platform"
 417 echo "built-in GPU        $builtin_gpu"
 418 echo "sound drivers       $sound_drivers"
 419 echo "plugins             $plugins_short"
 420 echo "C compiler          $CC"
 421 echo "C compiler flags    $CFLAGS"
 422 echo "libraries           $MAIN_LDLIBS"
 423 echo "linker flags        $LDFLAGS$MAIN_LDFLAGS"
 424 echo "enable dynarec      $enable_dynarec"
 425 echo "ARMv7 optimizations $have_armv7"
 426 echo "enable ARM NEON     $have_arm_neon"
 427 echo "tslib support       $have_tslib"
 428 if [ "$platform" = "generic" ]; then
 429   echo "OpenGL ES output    $have_gles"
 430 fi
 431
 432 echo "# Automatically generated by configure" > $config_mak
 433 printf "# Configured with:" >> $config_mak
 434 printf " '%s'" "$0" "$@" >> $config_mak
 435 echo >> $config_mak
 436
 437 echo "CC = $CC" >> $config_mak
 438 echo "CXX = $CXX" >> $config_mak
 439 echo "AS = $AS" >> $config_mak
 440 echo "CFLAGS += $CFLAGS" >> $config_mak
 441 echo "ASFLAGS += $ASFLAGS" >> $config_mak
 442 echo "LDFLAGS += $LDFLAGS" >> $config_mak
 443 echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
 444 echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
 445 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
 446 echo >> $config_mak
 447
 448 if [ "$platform" = "libretro" ]; then
 449   echo "TARGET = libretro.so" >> $config_mak
 450 fi
 451 echo "ARCH = $ARCH" >> $config_mak
 452 echo "PLATFORM = $platform" >> $config_mak
 453 echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
 454 echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
 455 echo "PLUGINS = $plugins" >> $config_mak
 456 if [ "$have_arm_neon" = "yes" ]; then
 457   echo "HAVE_NEON = 1" >> $config_mak
 458 fi
 459 if [ "$have_tslib" = "yes" ]; then
 460   echo "HAVE_TSLIB = 1" >> $config_mak
 461 fi
 462 if [ "$have_gles" = "yes" ]; then
 463   echo "HAVE_GLES = 1" >> $config_mak
 464   echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
 465   echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
 466 fi
 467 if [ "$enable_dynarec" = "yes" ]; then
 468   echo "USE_DYNAREC = 1" >> $config_mak
 469 fi
 470 if [ "$drc_cache_base" = "yes" ]; then
 471   echo "DRC_CACHE_BASE = 1" >> $config_mak
 472 fi
 473
 474 # use pandora's skin (for now)
 475 test -e skin || ln -s frontend/pandora/skin skin
 476
 477 # vim:shiftwidth=2:expandtab