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 $1 || return 1
  28   return 0
  29 }
  30
  31 # setting options to "yes" or "no" will make that choice default,
  32 # "" means "autodetect".
  33
  34 platform_list="generic pandora maemo caanoo libretro"
  35 platform="generic"
  36 builtin_gpu_list="peops unai neon"
  37 builtin_gpu=""
  38 sound_driver_list="oss alsa pulseaudio sdl libretro"
  39 sound_drivers=""
  40 plugins="plugins/spunull/spunull.so \
  41 plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
  42 ram_fixed="no"
  43 drc_cache_base="no"
  44 have_armv5=""
  45 have_armv6=""
  46 have_armv7=""
  47 have_arm_neon=""
  48 have_tslib=""
  49 have_gles=""
  50 enable_dynarec="yes"
  51 need_sdl="no"
  52 need_libpicofe="yes"
  53 need_warm="no"
  54 CFLAGS_GLES=""
  55 LDLIBS_GLES=""
  56 # these are for known platforms
  57 optimize_cortexa8="no"
  58 optimize_arm926ej="no"
  59
  60 # hardcoded stuff
  61 CC="${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 # basic compiler test
 179 cat > $TMPC <<EOF
 180 #include <zlib.h>
 181 int main(void) { return 0; }
 182 EOF
 183 if ! compile_binary; then
 184   fail "basic compiler test failed, please check config.log"
 185 fi
 186
 187 if [ -z "$ARCH" ]; then
 188   ARCH=`$CC -v 2>&1 | grep -i 'target:' | awk '{print $2}' \
 189         | awk -F '-' '{print $1}'`
 190 fi
 191
 192 # ARM stuff
 193 if [ "$ARCH" = "arm" ]; then
 194   if [ "$optimize_cortexa8" = "yes" ]; then
 195     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
 196     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
 197   fi
 198   if [ "$optimize_arm926ej" = "yes" ]; then
 199     CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
 200     ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
 201   fi
 202
 203   if [ "x$have_arm_neon" = "x" ]; then
 204     # detect NEON from user-supplied cflags to enable asm code
 205     have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
 206   fi
 207   if [ "x$have_armv7" = "x" ]; then
 208     if check_define HAVE_ARMV7; then
 209       have_armv7="yes"
 210       have_armv6="yes"
 211       have_armv5="yes"
 212     fi
 213   fi
 214   if [ "x$have_armv6" = "x" ]; then
 215     if check_define HAVE_ARMV6; then
 216       have_armv6="yes"
 217       have_armv5="yes"
 218     fi
 219   fi
 220   if [ "x$have_armv5" = "x" ]; then
 221     have_armv5=`check_define HAVE_ARMV5 && echo yes` || true
 222   fi
 223
 224   if [ "x$builtin_gpu" = "x" ]; then
 225     if [ "$have_arm_neon" = "yes" ]; then
 226       builtin_gpu="neon"
 227     elif [ "$have_armv7" != "yes" ]; then
 228       # pre-ARMv7 hardware is usually not fast enough for peops
 229       builtin_gpu="unai"
 230     else
 231       builtin_gpu="peops"
 232     fi
 233   fi
 234
 235   # automatically set mfpu and mfloat-abi if they are not set
 236   if [ "$have_arm_neon" = "yes" ]; then
 237     fpu="neon"
 238   elif [ "$have_armv6" = "yes" ]; then
 239     fpu="vfp"
 240   fi
 241   if [ "x$fpu" != "x" ]; then
 242     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
 243     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
 244     floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
 245     if [ "$floatabi_set_by_gcc" != "yes" ]; then
 246       echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
 247       echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
 248     fi
 249   fi
 250
 251   # must disable thumb as recompiler can't handle it
 252   if check_define __thumb__; then
 253     CFLAGS="$CFLAGS -marm"
 254   fi
 255
 256   # warn about common mistakes
 257   if [ "$have_armv5" != "yes" ]; then
 258     if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
 259       echo "Warning: compiling for ARMv4, is that really what you want?"
 260       echo "You probably should specify -mcpu= or -march= like this:"
 261       echo "  CFLAGS=-march=armv6 ./configure ..."
 262     fi
 263   fi
 264   if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
 265     echo "Warning: compiling for NEON, but not ARMv7?"
 266     echo "You probably want to specify -mcpu= or -march= like this:"
 267     echo "  CFLAGS=-march=armv7-a ./configure ..."
 268   fi
 269 else
 270   # dynarec only available on ARM
 271   enable_dynarec="no"
 272 fi
 273
 274 if [ "x$builtin_gpu" = "x" ]; then
 275   builtin_gpu="peops"
 276 fi
 277
 278 # supposedly we can avoid -fPIC on armv5 for slightly better performace?
 279 if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
 280   PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
 281 fi
 282
 283 if [ "$ram_fixed" = "yes" ]; then
 284   CFLAGS="$CFLAGS -DRAM_FIXED"
 285 fi
 286
 287 case "$platform" in
 288 generic)
 289   need_sdl="yes"
 290   ;;
 291 maemo)
 292   maemo_cflags=`pkg-config --cflags hildon-1`
 293   maemo_ldlibs=`pkg-config --libs hildon-1`
 294   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES $maemo_cflags"
 295   MAIN_LDLIBS="$MAIN_LDLIBS $maemo_ldlibs"
 296   ;;
 297 libretro)
 298   CFLAGS="$CFLAGS -fPIC"
 299   MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
 300   ;;
 301 esac
 302
 303 # header/library presence tests
 304 check_zlib()
 305 {
 306   cat > $TMPC <<EOF
 307   #include <zlib.h>
 308   int main(void) { uncompress(0, 0, 0, 0); }
 309 EOF
 310   compile_binary
 311 }
 312
 313 check_libpng()
 314 {
 315   cat > $TMPC <<EOF
 316   #include <png.h>
 317   void main() { png_init_io(0, 0); }
 318 EOF
 319   compile_binary
 320 }
 321
 322 check_oss()
 323 {
 324   cat > $TMPC <<EOF
 325   #include <sys/soundcard.h>
 326   #include <sys/ioctl.h>
 327   void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
 328 EOF
 329   compile_binary
 330 }
 331
 332 check_alsa()
 333 {
 334   cat > $TMPC <<EOF
 335   #include <alsa/asoundlib.h>
 336   void main() { snd_pcm_open(0, 0, 0, 0); }
 337 EOF
 338   compile_binary "$@"
 339 }
 340
 341 check_pulseaudio()
 342 {
 343   cat > $TMPC <<EOF
 344   #include <pulse/pulseaudio.h>
 345   void main() { pa_threaded_mainloop_new(); }
 346 EOF
 347   compile_binary "$@"
 348 }
 349
 350 check_sdl()
 351 {
 352   cat > $TMPC <<EOF
 353   #include <SDL.h>
 354   void main() { SDL_OpenAudio(0, 0); }
 355 EOF
 356   compile_binary "$@"
 357 }
 358
 359 MAIN_LDLIBS="$MAIN_LDLIBS -lz"
 360 check_zlib || fail "please install zlib (libz-dev)"
 361
 362 MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
 363 check_libpng || fail "please install libpng (libpng-dev)"
 364
 365 # find what audio support we can compile
 366 if [ "x$sound_drivers" = "x" ]; then
 367   if check_oss; then sound_drivers="$sound_drivers oss"; fi
 368   if check_alsa -lasound; then
 369     sound_drivers="$sound_drivers alsa"
 370     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 371   fi
 372   if check_pulseaudio -lpulse; then
 373     sound_drivers="$sound_drivers pulseaudio"
 374     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
 375   fi
 376   if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
 377     sound_drivers="$sound_drivers sdl"
 378     need_sdl="yes"
 379   fi
 380 else
 381   if echo $sound_drivers | grep -q "\<oss\>"; then
 382     check_oss || fail "oss support is missing"
 383   fi
 384   if echo $sound_drivers | grep -q "\<alsa\>"; then
 385     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 386     check_alsa || fail "please install libasound2-dev"
 387   fi
 388   if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
 389     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
 390     check_pulseaudio || fail "pulseaudio support is missing"
 391   fi
 392 fi
 393
 394 if [ "$need_sdl" = "yes" ]; then
 395   which sdl-config > /dev/null || \
 396     fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
 397   CFLAGS="$CFLAGS `sdl-config --cflags`"
 398   MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
 399   check_sdl || fail "please install libsdl (libsdl1.2-dev)"
 400 fi
 401
 402 # check for tslib (only headers needed)
 403 if [ "x$have_tslib" = "x" ]; then
 404   cat > $TMPC <<EOF
 405   #include <tslib.h>
 406   void test(struct ts_sample sample) {}
 407 EOF
 408   if compile_object; then
 409     have_tslib="yes"
 410   else
 411     have_tslib="no"
 412   fi
 413 fi
 414
 415 # check for VideoCore stuff for Raspberry Pi
 416 if [ -d /opt/vc/include -a -d /opt/vc/lib ]; then
 417   CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads"
 418   LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
 419 fi
 420
 421 # check for GLES headers
 422 cat > $TMPC <<EOF
 423 #include <GLES/gl.h>
 424 #include <EGL/egl.h>
 425 int main(void) {
 426   return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
 427 }
 428 EOF
 429 if compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
 430   have_gles="yes"
 431   LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
 432 elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
 433   have_gles="yes"
 434   LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
 435 fi
 436
 437 if [ "$have_gles" = "yes" ]; then
 438   plugins="$plugins plugins/gpu-gles/gpu_gles.so"
 439 fi
 440 if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
 441   plugins="$plugins plugins/gpu_neon/gpu_neon.so"
 442 fi
 443
 444 cat > $TMPC <<EOF
 445 void test(void *f, void *d) { fread(d, 1, 1, f); }
 446 EOF
 447 if compile_object -Wno-unused-result; then
 448   CFLAGS="$CFLAGS -Wno-unused-result"
 449 fi
 450
 451 # short plugin list for display
 452 for p in $plugins; do
 453   p1=`basename $p`
 454   plugins_short="$p1 $plugins_short"
 455 done
 456
 457 # set things that failed to autodetect to "no"
 458 test "x$have_armv6" != "x" || have_armv6="no"
 459 test "x$have_armv7" != "x" || have_armv7="no"
 460 test "x$have_arm_neon" != "x" || have_arm_neon="no"
 461 test "x$have_gles" != "x" || have_gles="no"
 462
 463 echo "architecture        $ARCH"
 464 echo "platform            $platform"
 465 echo "built-in GPU        $builtin_gpu"
 466 echo "sound drivers       $sound_drivers"
 467 echo "plugins             $plugins_short"
 468 echo "C compiler          $CC"
 469 echo "C compiler flags    $CFLAGS"
 470 echo "libraries           $MAIN_LDLIBS"
 471 echo "linker flags        $LDFLAGS$MAIN_LDFLAGS"
 472 echo "enable dynarec      $enable_dynarec"
 473 echo "ARMv7 optimizations $have_armv7"
 474 echo "enable ARM NEON     $have_arm_neon"
 475 echo "tslib support       $have_tslib"
 476 if [ "$platform" = "generic" ]; then
 477   echo "OpenGL ES output    $have_gles"
 478 fi
 479
 480 echo "# Automatically generated by configure" > $config_mak
 481 printf "# Configured with:" >> $config_mak
 482 printf " '%s'" "$0" "$@" >> $config_mak
 483 echo >> $config_mak
 484
 485 echo "CC = $CC" >> $config_mak
 486 echo "CXX = $CXX" >> $config_mak
 487 echo "AS = $AS" >> $config_mak
 488 echo "CFLAGS += $CFLAGS" >> $config_mak
 489 echo "ASFLAGS += $ASFLAGS" >> $config_mak
 490 echo "LDFLAGS += $LDFLAGS" >> $config_mak
 491 echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
 492 echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
 493 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
 494 echo >> $config_mak
 495
 496 if [ "$platform" = "libretro" ]; then
 497   echo "TARGET = libretro.so" >> $config_mak
 498 fi
 499 echo "ARCH = $ARCH" >> $config_mak
 500 echo "PLATFORM = $platform" >> $config_mak
 501 echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
 502 echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
 503 echo "PLUGINS = $plugins" >> $config_mak
 504 if [ "$have_arm_neon" = "yes" ]; then
 505   echo "HAVE_NEON = 1" >> $config_mak
 506 fi
 507 if [ "$have_tslib" = "yes" ]; then
 508   echo "HAVE_TSLIB = 1" >> $config_mak
 509 fi
 510 if [ "$have_gles" = "yes" ]; then
 511   echo "HAVE_GLES = 1" >> $config_mak
 512   echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
 513   echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
 514 fi
 515 if [ "$enable_dynarec" = "yes" ]; then
 516   echo "USE_DYNAREC = 1" >> $config_mak
 517 fi
 518 if [ "$drc_cache_base" = "yes" ]; then
 519   echo "DRC_CACHE_BASE = 1" >> $config_mak
 520 fi
 521
 522 # use pandora's skin (for now)
 523 test -e skin || ln -s frontend/pandora/skin skin
 524
 525 # vim:shiftwidth=2:expandtab