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 > $TMPC <<EOF
 180 #include <zlib.h>
 181 int main(void) { return 0; }
 182 EOF
 183 if ! compile_binary; then
 184   fail "compiler test failed, please check config.log"
 185 fi
 186
 187 if [ -z "$ARCH" ]; then
 188   ARCH=`$CC -dumpmachine | awk -F '-' '{print $1}'`
 189 fi
 190
 191 case "$ARCH" in
 192 arm*)
 193   # ARM stuff
 194   ARCH="arm"
 195
 196   if [ "$optimize_cortexa8" = "yes" ]; then
 197     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
 198     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
 199   fi
 200   if [ "$optimize_arm926ej" = "yes" ]; then
 201     CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
 202     ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
 203   fi
 204
 205   if [ "x$have_arm_neon" = "x" ]; then
 206     # detect NEON from user-supplied cflags to enable asm code
 207     have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
 208   fi
 209   if [ "x$have_armv7" = "x" ]; then
 210     if check_define HAVE_ARMV7; then
 211       have_armv7="yes"
 212       have_armv6="yes"
 213       have_armv5="yes"
 214     fi
 215   fi
 216   if [ "x$have_armv6" = "x" ]; then
 217     if check_define HAVE_ARMV6; then
 218       have_armv6="yes"
 219       have_armv5="yes"
 220     fi
 221   fi
 222   if [ "x$have_armv5" = "x" ]; then
 223     have_armv5=`check_define HAVE_ARMV5 && echo yes` || true
 224   fi
 225
 226   if [ "x$builtin_gpu" = "x" ]; then
 227     if [ "$have_arm_neon" = "yes" ]; then
 228       builtin_gpu="neon"
 229     elif [ "$have_armv7" != "yes" ]; then
 230       # pre-ARMv7 hardware is usually not fast enough for peops
 231       builtin_gpu="unai"
 232     else
 233       builtin_gpu="peops"
 234     fi
 235   fi
 236
 237   # automatically set mfpu and mfloat-abi if they are not set
 238   if [ "$have_arm_neon" = "yes" ]; then
 239     fpu="neon"
 240   elif [ "$have_armv6" = "yes" ]; then
 241     fpu="vfp"
 242   fi
 243   if [ "x$fpu" != "x" ]; then
 244     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
 245     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
 246     floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
 247     if [ "$floatabi_set_by_gcc" != "yes" ]; then
 248       echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
 249       echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
 250     fi
 251   fi
 252
 253   # must disable thumb as recompiler can't handle it
 254   if check_define __thumb__; then
 255     CFLAGS="$CFLAGS -marm"
 256   fi
 257
 258   # warn about common mistakes
 259   if [ "$have_armv5" != "yes" ]; then
 260     if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
 261       echo "Warning: compiling for ARMv4, is that really what you want?"
 262       echo "You probably should specify -mcpu= or -march= like this:"
 263       echo "  CFLAGS=-march=armv6 ./configure ..."
 264     fi
 265   fi
 266   if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
 267     echo "Warning: compiling for NEON, but not ARMv7?"
 268     echo "You probably want to specify -mcpu= or -march= like this:"
 269     echo "  CFLAGS=-march=armv7-a ./configure ..."
 270   fi
 271   ;;
 272 *)
 273   # dynarec only available on ARM
 274   enable_dynarec="no"
 275   ;;
 276 esac
 277
 278 if [ "x$builtin_gpu" = "x" ]; then
 279   builtin_gpu="peops"
 280 fi
 281
 282 # supposedly we can avoid -fPIC on armv5 for slightly better performace?
 283 if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
 284   PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
 285 fi
 286
 287 if [ "$ram_fixed" = "yes" ]; then
 288   CFLAGS="$CFLAGS -DRAM_FIXED"
 289 fi
 290
 291 case "$platform" in
 292 generic)
 293   need_sdl="yes"
 294   ;;
 295 maemo)
 296   maemo_cflags=`pkg-config --cflags hildon-1`
 297   maemo_ldlibs=`pkg-config --libs hildon-1`
 298   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES $maemo_cflags"
 299   MAIN_LDLIBS="$MAIN_LDLIBS $maemo_ldlibs"
 300   ;;
 301 libretro)
 302   CFLAGS="$CFLAGS -fPIC"
 303   MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
 304   ;;
 305 esac
 306
 307 # header/library presence tests
 308 check_zlib()
 309 {
 310   cat > $TMPC <<EOF
 311   #include <zlib.h>
 312   int main(void) { uncompress(0, 0, 0, 0); }
 313 EOF
 314   compile_binary
 315 }
 316
 317 check_libpng()
 318 {
 319   cat > $TMPC <<EOF
 320   #include <png.h>
 321   void main() { png_init_io(0, 0); }
 322 EOF
 323   compile_binary
 324 }
 325
 326 check_oss()
 327 {
 328   cat > $TMPC <<EOF
 329   #include <sys/soundcard.h>
 330   #include <sys/ioctl.h>
 331   void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
 332 EOF
 333   compile_binary
 334 }
 335
 336 check_alsa()
 337 {
 338   cat > $TMPC <<EOF
 339   #include <alsa/asoundlib.h>
 340   void main() { snd_pcm_open(0, 0, 0, 0); }
 341 EOF
 342   compile_binary "$@"
 343 }
 344
 345 check_pulseaudio()
 346 {
 347   cat > $TMPC <<EOF
 348   #include <pulse/pulseaudio.h>
 349   void main() { pa_threaded_mainloop_new(); }
 350 EOF
 351   compile_binary "$@"
 352 }
 353
 354 check_sdl()
 355 {
 356   cat > $TMPC <<EOF
 357   #include <SDL.h>
 358   void main() { SDL_OpenAudio(0, 0); }
 359 EOF
 360   compile_binary "$@"
 361 }
 362
 363 MAIN_LDLIBS="$MAIN_LDLIBS -lz"
 364 check_zlib || fail "please install zlib (libz-dev)"
 365
 366 MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
 367 check_libpng || fail "please install libpng (libpng-dev)"
 368
 369 # find what audio support we can compile
 370 if [ "x$sound_drivers" = "x" ]; then
 371   if check_oss; then sound_drivers="$sound_drivers oss"; fi
 372   if check_alsa -lasound; then
 373     sound_drivers="$sound_drivers alsa"
 374     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 375   fi
 376   if check_pulseaudio -lpulse; then
 377     sound_drivers="$sound_drivers pulseaudio"
 378     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
 379   fi
 380   if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
 381     sound_drivers="$sound_drivers sdl"
 382     need_sdl="yes"
 383   fi
 384 else
 385   if echo $sound_drivers | grep -q "\<oss\>"; then
 386     check_oss || fail "oss support is missing"
 387   fi
 388   if echo $sound_drivers | grep -q "\<alsa\>"; then
 389     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 390     check_alsa || fail "please install libasound2-dev"
 391   fi
 392   if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
 393     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
 394     check_pulseaudio || fail "pulseaudio support is missing"
 395   fi
 396 fi
 397
 398 if [ "$need_sdl" = "yes" ]; then
 399   which sdl-config > /dev/null || \
 400     fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
 401   CFLAGS="$CFLAGS `sdl-config --cflags`"
 402   MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
 403   check_sdl || fail "please install libsdl (libsdl1.2-dev)"
 404 fi
 405
 406 # check for tslib (only headers needed)
 407 if [ "x$have_tslib" = "x" ]; then
 408   cat > $TMPC <<EOF
 409   #include <tslib.h>
 410   void test(struct ts_sample sample) {}
 411 EOF
 412   if compile_object; then
 413     have_tslib="yes"
 414   else
 415     have_tslib="no"
 416   fi
 417 fi
 418
 419 # check for VideoCore stuff for Raspberry Pi
 420 if [ -d /opt/vc/include -a -d /opt/vc/lib ]; then
 421   CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads"
 422   LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
 423 fi
 424
 425 # check for GLES headers
 426 cat > $TMPC <<EOF
 427 #include <GLES/gl.h>
 428 #include <EGL/egl.h>
 429 int main(void) {
 430   return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
 431 }
 432 EOF
 433 if compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
 434   have_gles="yes"
 435   LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
 436 elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
 437   have_gles="yes"
 438   LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
 439 fi
 440
 441 if [ "$have_gles" = "yes" ]; then
 442   plugins="$plugins plugins/gpu-gles/gpu_gles.so"
 443 fi
 444 if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
 445   plugins="$plugins plugins/gpu_neon/gpu_neon.so"
 446 fi
 447
 448 cat > $TMPC <<EOF
 449 void test(void *f, void *d) { fread(d, 1, 1, f); }
 450 EOF
 451 if compile_object -Wno-unused-result; then
 452   CFLAGS="$CFLAGS -Wno-unused-result"
 453 fi
 454
 455 # short plugin list for display
 456 for p in $plugins; do
 457   p1=`basename $p`
 458   plugins_short="$p1 $plugins_short"
 459 done
 460
 461 # set things that failed to autodetect to "no"
 462 test "x$have_armv6" != "x" || have_armv6="no"
 463 test "x$have_armv7" != "x" || have_armv7="no"
 464 test "x$have_arm_neon" != "x" || have_arm_neon="no"
 465 test "x$have_gles" != "x" || have_gles="no"
 466
 467 echo "architecture        $ARCH"
 468 echo "platform            $platform"
 469 echo "built-in GPU        $builtin_gpu"
 470 echo "sound drivers       $sound_drivers"
 471 echo "plugins             $plugins_short"
 472 echo "C compiler          $CC"
 473 echo "C compiler flags    $CFLAGS"
 474 echo "libraries           $MAIN_LDLIBS"
 475 echo "linker flags        $LDFLAGS$MAIN_LDFLAGS"
 476 echo "enable dynarec      $enable_dynarec"
 477 echo "ARMv7 optimizations $have_armv7"
 478 echo "enable ARM NEON     $have_arm_neon"
 479 echo "tslib support       $have_tslib"
 480 if [ "$platform" = "generic" ]; then
 481   echo "OpenGL ES output    $have_gles"
 482 fi
 483
 484 echo "# Automatically generated by configure" > $config_mak
 485 printf "# Configured with:" >> $config_mak
 486 printf " '%s'" "$0" "$@" >> $config_mak
 487 echo >> $config_mak
 488
 489 echo "CC = $CC" >> $config_mak
 490 echo "CXX = $CXX" >> $config_mak
 491 echo "AS = $AS" >> $config_mak
 492 echo "CFLAGS += $CFLAGS" >> $config_mak
 493 echo "ASFLAGS += $ASFLAGS" >> $config_mak
 494 echo "LDFLAGS += $LDFLAGS" >> $config_mak
 495 echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
 496 echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
 497 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
 498 echo >> $config_mak
 499
 500 if [ "$platform" = "libretro" ]; then
 501   echo "TARGET = libretro.so" >> $config_mak
 502 fi
 503 echo "ARCH = $ARCH" >> $config_mak
 504 echo "PLATFORM = $platform" >> $config_mak
 505 echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
 506 echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
 507 echo "PLUGINS = $plugins" >> $config_mak
 508 if [ "$have_arm_neon" = "yes" ]; then
 509   echo "HAVE_NEON = 1" >> $config_mak
 510 fi
 511 if [ "$have_tslib" = "yes" ]; then
 512   echo "HAVE_TSLIB = 1" >> $config_mak
 513 fi
 514 if [ "$have_gles" = "yes" ]; then
 515   echo "HAVE_GLES = 1" >> $config_mak
 516   echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
 517   echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
 518 fi
 519 if [ "$enable_dynarec" = "yes" ]; then
 520   echo "USE_DYNAREC = 1" >> $config_mak
 521 fi
 522 if [ "$drc_cache_base" = "yes" ]; then
 523   echo "DRC_CACHE_BASE = 1" >> $config_mak
 524 fi
 525
 526 # use pandora's skin (for now)
 527 test -e skin || ln -s frontend/pandora/skin skin
 528
 529 # vim:shiftwidth=2:expandtab