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   $CC -E -dD $CFLAGS include/arm_features.h | grep -q $1 || return 1
  28   return 0
  29 }
  30
  31 # setting options to "yes" or "no" will make that choice default,
  32 # "" means "autodetect".
  33
  34 platform_list="generic pandora maemo caanoo libretro"
  35 platform="generic"
  36 builtin_gpu_list="peops unai neon"
  37 builtin_gpu=""
  38 sound_driver_list="oss alsa pulseaudio sdl libretro"
  39 sound_drivers=""
  40 plugins="plugins/spunull/spunull.so \
  41 plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
  42 ram_fixed="no"
  43 drc_cache_base="no"
  44 have_armv5=""
  45 have_armv6=""
  46 have_armv7=""
  47 have_arm_neon=""
  48 have_tslib=""
  49 have_gles=""
  50 enable_dynarec="yes"
  51 need_sdl="no"
  52 need_xlib="no"
  53 need_libpicofe="yes"
  54 need_warm="no"
  55 CFLAGS_GLES=""
  56 LDLIBS_GLES=""
  57 # these are for known platforms
  58 optimize_cortexa8="no"
  59 optimize_arm926ej="no"
  60
  61 # hardcoded stuff
  62 CC="${CC-${CROSS_COMPILE}gcc}"
  63 CXX="${CXX-${CROSS_COMPILE}g++}"
  64 AS="${AS-${CROSS_COMPILE}as}"
  65 AR="${AS-${CROSS_COMPILE}ar}"
  66 MAIN_LDLIBS="$LDLIBS -ldl -lm"
  67 config_mak="config.mak"
  68
  69 fail()
  70 {
  71   echo "$@"
  72   exit 1
  73 }
  74
  75 # call during arg parsing, so that cmd line can override platform defaults
  76 set_platform()
  77 {
  78   platform=$1
  79   case "$platform" in
  80   generic)
  81     ;;
  82   pandora)
  83     sound_drivers="oss alsa"
  84     ram_fixed="yes"
  85     drc_cache_base="yes"
  86     optimize_cortexa8="yes"
  87     have_arm_neon="yes"
  88     need_xlib="yes"
  89     ;;
  90   maemo)
  91     ram_fixed="yes"
  92     drc_cache_base="yes"
  93     optimize_cortexa8="yes"
  94     have_arm_neon="yes"
  95     ;;
  96   caanoo)
  97     sound_drivers="oss"
  98     ram_fixed="yes"
  99     drc_cache_base="yes"
 100     optimize_arm926ej="yes"
 101     need_warm="yes"
 102     ;;
 103   libretro)
 104     sound_drivers="libretro"
 105     need_libpicofe="no"
 106     ;;
 107   *)
 108     fail "unsupported platform: $platform"
 109     ;;
 110   esac
 111 }
 112
 113 for opt do
 114   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
 115   case "$opt" in
 116   --help|-h) show_help="yes"
 117   ;;
 118   --platform=*) set_platform "$optarg"
 119   ;;
 120   --gpu=*) builtin_gpu="$optarg"
 121   ;;
 122   --sound-drivers=*) sound_drivers="$optarg"
 123   ;;
 124   --enable-neon) have_arm_neon="yes"
 125   ;;
 126   --disable-neon) have_arm_neon="no"
 127   ;;
 128   --disable-dynarec) enable_dynarec="no"
 129   ;;
 130   *) echo "ERROR: unknown option $opt"; show_help="yes"
 131   ;;
 132   esac
 133 done
 134
 135 if [ "$show_help" = "yes" ]; then
 136   echo "options:"
 137   echo "  --help                   print this message"
 138   echo "  --platform=NAME          target platform [$platform]"
 139   echo "                           available: $platform_list"
 140   echo "  --gpu=NAME               builtin gpu plugin [guessed]"
 141   echo "                           available: $builtin_gpu_list"
 142   echo "  --sound-drivers=LIST     sound output drivers [guessed]"
 143   echo "                           available: $sound_driver_list"
 144   echo "  --enable-neon"
 145   echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
 146   echo "  --disable-dynarec        disable dynamic recompiler"
 147   echo "                           (dynarec is only available and enabled on ARM)"
 148   echo "influential environment variables:"
 149   echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
 150   exit 1
 151 fi
 152
 153 # validate selections
 154 if [ "x$builtin_gpu" != "x" ]; then
 155   if ! echo $builtin_gpu_list | grep -q "\<$builtin_gpu\>"; then
 156     fail "unsupported builtin gpu plugin: $builtin_gpu"
 157   fi
 158 fi
 159
 160 if [ "x$sound_drivers" != "x" ]; then
 161   for d in $sound_drivers; do
 162     if ! echo $sound_driver_list | grep -q "\<$d\>"; then
 163       fail "unsupported sound driver: $sound_driver"
 164     fi
 165   done
 166 fi
 167
 168 if [ "$need_libpicofe" = "yes" ]; then
 169   if ! test -f "frontend/libpicofe/README"; then
 170     fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
 171   fi
 172 fi
 173
 174 if [ "$need_warm" = "yes" ]; then
 175   if ! test -f "frontend/warm/README"; then
 176     fail "wARM is missing, please run 'git submodule init && git submodule update'"
 177   fi
 178 fi
 179
 180 # basic compiler test
 181 cat > $TMPC <<EOF
 182 #include <zlib.h>
 183 int main(void) { return 0; }
 184 EOF
 185 if ! compile_binary; then
 186   fail "compiler test failed, please check config.log"
 187 fi
 188
 189 if [ -z "$ARCH" ]; then
 190   ARCH=`$CC -dumpmachine | awk -F '-' '{print $1}'`
 191 fi
 192
 193 case "$ARCH" in
 194 arm*)
 195   # ARM stuff
 196   ARCH="arm"
 197
 198   if [ "$optimize_cortexa8" = "yes" ]; then
 199     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
 200     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
 201   fi
 202   if [ "$optimize_arm926ej" = "yes" ]; then
 203     CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
 204     ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
 205   fi
 206
 207   if [ "x$have_arm_neon" = "x" ]; then
 208     # detect NEON from user-supplied cflags to enable asm code
 209     have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
 210   fi
 211   if [ "x$have_armv7" = "x" ]; then
 212     if check_define HAVE_ARMV7; then
 213       have_armv7="yes"
 214       have_armv6="yes"
 215       have_armv5="yes"
 216     fi
 217   fi
 218   if [ "x$have_armv6" = "x" ]; then
 219     if check_define HAVE_ARMV6; then
 220       have_armv6="yes"
 221       have_armv5="yes"
 222     fi
 223   fi
 224   if [ "x$have_armv5" = "x" ]; then
 225     have_armv5=`check_define HAVE_ARMV5 && echo yes` || true
 226   fi
 227
 228   if [ "x$builtin_gpu" = "x" ]; then
 229     if [ "$have_arm_neon" = "yes" ]; then
 230       builtin_gpu="neon"
 231     elif [ "$have_armv7" != "yes" ]; then
 232       # pre-ARMv7 hardware is usually not fast enough for peops
 233       builtin_gpu="unai"
 234     else
 235       builtin_gpu="peops"
 236     fi
 237   fi
 238
 239   # automatically set mfpu and mfloat-abi if they are not set
 240   if [ "$have_arm_neon" = "yes" ]; then
 241     fpu="neon"
 242   elif [ "$have_armv6" = "yes" ]; then
 243     fpu="vfp"
 244   fi
 245   if [ "x$fpu" != "x" ]; then
 246     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
 247     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
 248     floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
 249     if [ "$floatabi_set_by_gcc" != "yes" ]; then
 250       echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
 251       echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
 252     fi
 253   fi
 254
 255   # must disable thumb as recompiler can't handle it
 256   if check_define __thumb__; then
 257     CFLAGS="$CFLAGS -marm"
 258   fi
 259
 260   # warn about common mistakes
 261   if [ "$have_armv5" != "yes" ]; then
 262     if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
 263       echo "Warning: compiling for ARMv4, is that really what you want?"
 264       echo "You probably should specify -mcpu= or -march= like this:"
 265       echo "  CFLAGS=-march=armv6 ./configure ..."
 266     fi
 267   fi
 268   if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
 269     echo "Warning: compiling for NEON, but not ARMv7?"
 270     echo "You probably want to specify -mcpu= or -march= like this:"
 271     echo "  CFLAGS=-march=armv7-a ./configure ..."
 272   fi
 273   ;;
 274 *)
 275   # dynarec only available on ARM
 276   enable_dynarec="no"
 277   ;;
 278 esac
 279
 280 if [ "x$builtin_gpu" = "x" ]; then
 281   builtin_gpu="peops"
 282 fi
 283
 284 # supposedly we can avoid -fPIC on armv5 for slightly better performace?
 285 if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
 286   PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
 287 fi
 288
 289 if [ "$ram_fixed" = "yes" ]; then
 290   CFLAGS="$CFLAGS -DRAM_FIXED"
 291 fi
 292
 293 case "$platform" in
 294 generic)
 295   need_sdl="yes"
 296   ;;
 297 maemo)
 298   maemo_cflags=`pkg-config --cflags hildon-1`
 299   maemo_ldlibs=`pkg-config --libs hildon-1`
 300   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES $maemo_cflags"
 301   MAIN_LDLIBS="$MAIN_LDLIBS $maemo_ldlibs"
 302   ;;
 303 libretro)
 304   CFLAGS="$CFLAGS -fPIC"
 305   MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
 306   ;;
 307 esac
 308
 309 # header/library presence tests
 310 check_zlib()
 311 {
 312   cat > $TMPC <<EOF
 313   #include <zlib.h>
 314   int main(void) { uncompress(0, 0, 0, 0); }
 315 EOF
 316   compile_binary
 317 }
 318
 319 check_libpng()
 320 {
 321   cat > $TMPC <<EOF
 322   #include <png.h>
 323   void main() { png_init_io(0, 0); }
 324 EOF
 325   compile_binary
 326 }
 327
 328 check_oss()
 329 {
 330   cat > $TMPC <<EOF
 331   #include <sys/soundcard.h>
 332   #include <sys/ioctl.h>
 333   void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
 334 EOF
 335   compile_binary
 336 }
 337
 338 check_alsa()
 339 {
 340   cat > $TMPC <<EOF
 341   #include <alsa/asoundlib.h>
 342   void main() { snd_pcm_open(0, 0, 0, 0); }
 343 EOF
 344   compile_binary "$@"
 345 }
 346
 347 check_pulseaudio()
 348 {
 349   cat > $TMPC <<EOF
 350   #include <pulse/pulseaudio.h>
 351   void main() { pa_threaded_mainloop_new(); }
 352 EOF
 353   compile_binary "$@"
 354 }
 355
 356 check_sdl()
 357 {
 358   cat > $TMPC <<EOF
 359   #include <SDL.h>
 360   void main() { SDL_OpenAudio(0, 0); }
 361 EOF
 362   compile_binary "$@"
 363 }
 364
 365 check_xlib_headers()
 366 {
 367   cat > $TMPC <<EOF
 368   #include <X11/Xlib.h>
 369   void *f() { return XOpenDisplay(0); }
 370 EOF
 371   compile_object "$@"
 372 }
 373
 374 MAIN_LDLIBS="$MAIN_LDLIBS -lz"
 375 check_zlib || fail "please install zlib (libz-dev)"
 376
 377 MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
 378 check_libpng || fail "please install libpng (libpng-dev)"
 379
 380 # find what audio support we can compile
 381 if [ "x$sound_drivers" = "x" ]; then
 382   if check_oss; then sound_drivers="$sound_drivers oss"; fi
 383   if check_alsa -lasound; then
 384     sound_drivers="$sound_drivers alsa"
 385     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 386   fi
 387   if check_pulseaudio -lpulse; then
 388     sound_drivers="$sound_drivers pulseaudio"
 389     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
 390   fi
 391   if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
 392     sound_drivers="$sound_drivers sdl"
 393     need_sdl="yes"
 394   fi
 395 else
 396   if echo $sound_drivers | grep -q "\<oss\>"; then
 397     check_oss || fail "oss support is missing"
 398   fi
 399   if echo $sound_drivers | grep -q "\<alsa\>"; then
 400     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 401     check_alsa || fail "please install libasound2-dev"
 402   fi
 403   if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
 404     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
 405     check_pulseaudio || fail "pulseaudio support is missing"
 406   fi
 407 fi
 408
 409 if [ "$need_sdl" = "yes" ]; then
 410   which sdl-config > /dev/null || \
 411     fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
 412   CFLAGS="$CFLAGS `sdl-config --cflags`"
 413   MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
 414   check_sdl || fail "please install libsdl (libsdl1.2-dev)"
 415 fi
 416
 417 # check for tslib (only headers needed)
 418 if [ "x$have_tslib" = "x" ]; then
 419   cat > $TMPC <<EOF
 420   #include <tslib.h>
 421   void test(struct ts_sample sample) {}
 422 EOF
 423   if compile_object; then
 424     have_tslib="yes"
 425   else
 426     have_tslib="no"
 427   fi
 428 fi
 429
 430 # check for VideoCore stuff for Raspberry Pi
 431 if [ -d /opt/vc/include -a -d /opt/vc/lib ]; then
 432   CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads"
 433   LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
 434   need_xlib="yes"
 435 fi
 436
 437 # check for GLES headers
 438 cat > $TMPC <<EOF
 439 #include <GLES/gl.h>
 440 #include <EGL/egl.h>
 441 int main(void) {
 442   return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
 443 }
 444 EOF
 445 if compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
 446   have_gles="yes"
 447   LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
 448 elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
 449   have_gles="yes"
 450   LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
 451 fi
 452
 453 if [ "$have_gles" = "yes" ]; then
 454   plugins="$plugins plugins/gpu-gles/gpu_gles.so"
 455 fi
 456 if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
 457   plugins="$plugins plugins/gpu_neon/gpu_neon.so"
 458 fi
 459
 460 # check for xlib (only headers needed)
 461 if [ "x$need_xlib" = "xyes" ]; then
 462   check_xlib_headers || fail "please install libx11-dev"
 463 fi
 464
 465 cat > $TMPC <<EOF
 466 void test(void *f, void *d) { fread(d, 1, 1, f); }
 467 EOF
 468 if compile_object -Wno-unused-result; then
 469   CFLAGS="$CFLAGS -Wno-unused-result"
 470 fi
 471
 472 # short plugin list for display
 473 for p in $plugins; do
 474   p1=`basename $p`
 475   plugins_short="$p1 $plugins_short"
 476 done
 477
 478 # set things that failed to autodetect to "no"
 479 test "x$have_armv6" != "x" || have_armv6="no"
 480 test "x$have_armv7" != "x" || have_armv7="no"
 481 test "x$have_arm_neon" != "x" || have_arm_neon="no"
 482 test "x$have_gles" != "x" || have_gles="no"
 483
 484 echo "architecture        $ARCH"
 485 echo "platform            $platform"
 486 echo "built-in GPU        $builtin_gpu"
 487 echo "sound drivers       $sound_drivers"
 488 echo "plugins             $plugins_short"
 489 echo "C compiler          $CC"
 490 echo "C compiler flags    $CFLAGS"
 491 echo "libraries           $MAIN_LDLIBS"
 492 echo "linker flags        $LDFLAGS$MAIN_LDFLAGS"
 493 echo "enable dynarec      $enable_dynarec"
 494 echo "ARMv7 optimizations $have_armv7"
 495 echo "enable ARM NEON     $have_arm_neon"
 496 echo "tslib support       $have_tslib"
 497 if [ "$platform" = "generic" ]; then
 498   echo "OpenGL ES output    $have_gles"
 499 fi
 500
 501 echo "# Automatically generated by configure" > $config_mak
 502 printf "# Configured with:" >> $config_mak
 503 printf " '%s'" "$0" "$@" >> $config_mak
 504 echo >> $config_mak
 505
 506 echo "CC = $CC" >> $config_mak
 507 echo "CXX = $CXX" >> $config_mak
 508 echo "AS = $AS" >> $config_mak
 509 echo "CFLAGS += $CFLAGS" >> $config_mak
 510 echo "ASFLAGS += $ASFLAGS" >> $config_mak
 511 echo "LDFLAGS += $LDFLAGS" >> $config_mak
 512 echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
 513 echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
 514 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
 515 echo >> $config_mak
 516
 517 if [ "$platform" = "libretro" ]; then
 518   echo "TARGET = libretro.so" >> $config_mak
 519 fi
 520 echo "ARCH = $ARCH" >> $config_mak
 521 echo "PLATFORM = $platform" >> $config_mak
 522 echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
 523 echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
 524 echo "PLUGINS = $plugins" >> $config_mak
 525 if [ "$have_arm_neon" = "yes" ]; then
 526   echo "HAVE_NEON = 1" >> $config_mak
 527 fi
 528 if [ "$have_tslib" = "yes" ]; then
 529   echo "HAVE_TSLIB = 1" >> $config_mak
 530 fi
 531 if [ "$have_gles" = "yes" ]; then
 532   echo "HAVE_GLES = 1" >> $config_mak
 533   echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
 534   echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
 535 fi
 536 if [ "$enable_dynarec" = "yes" ]; then
 537   echo "USE_DYNAREC = 1" >> $config_mak
 538 fi
 539 if [ "$drc_cache_base" = "yes" ]; then
 540   echo "DRC_CACHE_BASE = 1" >> $config_mak
 541 fi
 542
 543 # use pandora's skin (for now)
 544 test -e skin || ln -s frontend/pandora/skin skin
 545
 546 # vim:shiftwidth=2:expandtab