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