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 check_define_val()
  32 {
  33   $CC -E -dD $CFLAGS include/arm_features.h | grep "$1" | awk '{print $3}'
  34   return 0
  35 }
  36
  37 # setting options to "yes" or "no" will make that choice default,
  38 # "" means "autodetect".
  39
  40 platform_list="generic pandora maemo caanoo libretro"
  41 platform="generic"
  42 builtin_gpu_list="peops unai neon senquack"
  43 builtin_gpu=""
  44 sound_driver_list="oss alsa pulseaudio sdl libretro"
  45 sound_drivers=""
  46 plugins="plugins/spunull/spunull.so \
  47 plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so plugins/gpu_senquack/gpu_senquack.so"
  48 ram_fixed="no"
  49 drc_cache_base="no"
  50 have_armv5=""
  51 have_armv6=""
  52 have_armv7=""
  53 have_arm_neon=""
  54 have_tslib=""
  55 have_gles=""
  56 have_c64x_dsp=""
  57 enable_dynarec="yes"
  58 need_sdl="no"
  59 need_xlib="no"
  60 need_libpicofe="yes"
  61 need_warm="no"
  62 enable_icache_emu="yes"
  63 CFLAGS_GLES=""
  64 LDLIBS_GLES=""
  65 # these are for known platforms
  66 optimize_cortexa8="no"
  67 optimize_arm926ej="no"
  68
  69 # hardcoded stuff
  70 CC="${CC-${CROSS_COMPILE}gcc}"
  71 CXX="${CXX-${CROSS_COMPILE}g++}"
  72 AS="${AS-${CROSS_COMPILE}as}"
  73 AR="${AS-${CROSS_COMPILE}ar}"
  74 MAIN_LDLIBS="$LDLIBS -ldl -lm -lpthread"
  75 config_mak="config.mak"
  76
  77 fail()
  78 {
  79   echo "$@"
  80   exit 1
  81 }
  82
  83 # call during arg parsing, so that cmd line can override platform defaults
  84 set_platform()
  85 {
  86   platform=$1
  87   case "$platform" in
  88   generic)
  89     ;;
  90   pandora)
  91     sound_drivers="oss alsa"
  92     ram_fixed="yes"
  93     drc_cache_base="yes"
  94     optimize_cortexa8="yes"
  95     have_arm_neon="yes"
  96     need_xlib="yes"
  97     enable_icache_emu="no"
  98     ;;
  99   maemo)
 100     ram_fixed="yes"
 101     drc_cache_base="yes"
 102     optimize_cortexa8="yes"
 103     have_arm_neon="yes"
 104     enable_icache_emu="no"
 105     ;;
 106   caanoo)
 107     sound_drivers="oss"
 108     ram_fixed="yes"
 109     drc_cache_base="yes"
 110     optimize_arm926ej="yes"
 111     need_warm="yes"
 112     enable_icache_emu="no"
 113     ;;
 114   libretro)
 115     sound_drivers="libretro"
 116     need_libpicofe="no"
 117     ;;
 118   *)
 119     fail "unsupported platform: $platform"
 120     ;;
 121   esac
 122 }
 123
 124 for opt do
 125   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
 126   case "$opt" in
 127   --help|-h) show_help="yes"
 128   ;;
 129   --platform=*) set_platform "$optarg"
 130   ;;
 131   --gpu=*) builtin_gpu="$optarg"
 132   ;;
 133   --sound-drivers=*) sound_drivers="$optarg"
 134   ;;
 135   --enable-neon) have_arm_neon="yes"
 136   ;;
 137   --disable-neon) have_arm_neon="no"
 138   ;;
 139   --disable-dynarec) enable_dynarec="no"
 140   ;;
 141   --disable-icache-emu) enable_icache_emu="no"
 142   ;;
 143   --enable-icache-emu) enable_icache_emu="yes"
 144   ;;
 145   *) echo "ERROR: unknown option $opt"; show_help="yes"
 146   ;;
 147   esac
 148 done
 149
 150 if [ "$show_help" = "yes" ]; then
 151   echo "options:"
 152   echo "  --help                   print this message"
 153   echo "  --platform=NAME          target platform [$platform]"
 154   echo "                           available: $platform_list"
 155   echo "  --gpu=NAME               builtin gpu plugin [guessed]"
 156   echo "                           available: $builtin_gpu_list"
 157   echo "  --sound-drivers=LIST     sound output drivers [guessed]"
 158   echo "                           available: $sound_driver_list"
 159   echo "  --enable-neon"
 160   echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
 161   echo "  --disable-dynarec        disable dynamic recompiler"
 162   echo "                           (dynarec is only available and enabled on ARM)"
 163   echo "  --disable-icache-emu     Disables the instruction cache emulation"
 164   echo "influential environment variables:"
 165   echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
 166   exit 1
 167 fi
 168
 169 # validate selections
 170 if [ "x$builtin_gpu" != "x" ]; then
 171   if ! echo $builtin_gpu_list | grep -q "\<$builtin_gpu\>"; then
 172     fail "unsupported builtin gpu plugin: $builtin_gpu"
 173   fi
 174 fi
 175
 176 if [ "x$sound_drivers" != "x" ]; then
 177   for d in $sound_drivers; do
 178     if ! echo $sound_driver_list | grep -q "\<$d\>"; then
 179       fail "unsupported sound driver: $sound_driver"
 180     fi
 181   done
 182 fi
 183
 184 if [ "$need_libpicofe" = "yes" ]; then
 185   if ! test -f "frontend/libpicofe/README"; then
 186     fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
 187   fi
 188 fi
 189
 190 if [ "$need_warm" = "yes" ]; then
 191   if ! test -f "frontend/warm/README"; then
 192     fail "wARM is missing, please run 'git submodule init && git submodule update'"
 193   fi
 194 fi
 195
 196 # basic compiler test
 197 cat > $TMPC <<EOF
 198 #include <zlib.h>
 199 int main(void) { return 0; }
 200 EOF
 201 if ! compile_binary; then
 202   fail "compiler test failed, please check config.log"
 203 fi
 204
 205 if [ -z "$ARCH" ]; then
 206   ARCH=`$CC -dumpmachine | awk -F '-' '{print $1}'`
 207 fi
 208
 209 case "$ARCH" in
 210 arm*)
 211   # ARM stuff
 212   ARCH="arm"
 213
 214   if [ "$optimize_cortexa8" = "yes" ]; then
 215     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
 216     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
 217   fi
 218   if [ "$optimize_arm926ej" = "yes" ]; then
 219     CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
 220     ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
 221   fi
 222
 223   if [ "x$have_arm_neon" = "x" ]; then
 224     # detect NEON from user-supplied cflags to enable asm code
 225     have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
 226   fi
 227   if [ "x$have_armv7" = "x" ]; then
 228     if check_define HAVE_ARMV7; then
 229       have_armv7="yes"
 230       have_armv6="yes"
 231       have_armv5="yes"
 232     fi
 233   fi
 234   if [ "x$have_armv6" = "x" ]; then
 235     if check_define HAVE_ARMV6; then
 236       have_armv6="yes"
 237       have_armv5="yes"
 238     fi
 239   fi
 240   if [ "x$have_armv5" = "x" ]; then
 241     have_armv5=`check_define HAVE_ARMV5 && echo yes` || true
 242   fi
 243
 244   if [ "x$builtin_gpu" = "x" ]; then
 245     if [ "$have_arm_neon" = "yes" ]; then
 246       builtin_gpu="neon"
 247     elif [ "$have_armv7" != "yes" ]; then
 248       # pre-ARMv7 hardware is usually not fast enough for peops
 249       builtin_gpu="unai"
 250     else
 251       builtin_gpu="peops"
 252     fi
 253   fi
 254
 255   # automatically set mfpu and mfloat-abi if they are not set
 256   if [ "$have_arm_neon" = "yes" ]; then
 257     fpu="neon"
 258   elif [ "$have_armv6" = "yes" ]; then
 259     fpu="vfp"
 260   fi
 261   if [ "x$fpu" != "x" ]; then
 262     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
 263     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
 264     floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
 265     if [ "$floatabi_set_by_gcc" != "yes" ]; then
 266       echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
 267       echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
 268     fi
 269   fi
 270
 271   # must disable thumb as recompiler can't handle it
 272   if check_define __thumb__; then
 273     CFLAGS="$CFLAGS -marm"
 274   fi
 275
 276   # warn about common mistakes
 277   if [ "$have_armv5" != "yes" ]; then
 278     if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
 279       echo "Warning: compiling for ARMv4, is that really what you want?"
 280       echo "You probably should specify -mcpu= or -march= like this:"
 281       echo "  CFLAGS=-march=armv6 ./configure ..."
 282     fi
 283   fi
 284   if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
 285     echo "Warning: compiling for NEON, but not ARMv7?"
 286     echo "You probably want to specify -mcpu= or -march= like this:"
 287     echo "  CFLAGS=-march=armv7-a ./configure ..."
 288   fi
 289   ;;
 290 *)
 291   # dynarec only available on ARM
 292   enable_dynarec="no"
 293   ;;
 294 esac
 295
 296 if [ "x$builtin_gpu" = "x" ]; then
 297   builtin_gpu="peops"
 298 fi
 299
 300 # supposedly we can avoid -fPIC on armv5 for slightly better performace?
 301 if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
 302   PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
 303 fi
 304
 305 if [ "$ram_fixed" = "yes" ]; then
 306   CFLAGS="$CFLAGS -DRAM_FIXED"
 307 fi
 308
 309 case "$platform" in
 310 generic)
 311   need_sdl="yes"
 312   ;;
 313 maemo)
 314   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES"
 315   ;;
 316 libretro)
 317   CFLAGS="$CFLAGS -fPIC"
 318   MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
 319   ;;
 320 esac
 321
 322 # header/library presence tests
 323 check_zlib()
 324 {
 325   cat > $TMPC <<EOF
 326   #include <zlib.h>
 327   int main(void) { uncompress(0, 0, 0, 0); }
 328 EOF
 329   compile_binary
 330 }
 331
 332 check_libpng()
 333 {
 334   cat > $TMPC <<EOF
 335   #include <png.h>
 336   void main() { png_init_io(0, 0); }
 337 EOF
 338   compile_binary
 339 }
 340
 341 check_oss()
 342 {
 343   cat > $TMPC <<EOF
 344   #include <sys/soundcard.h>
 345   #include <sys/ioctl.h>
 346   void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
 347 EOF
 348   compile_binary
 349 }
 350
 351 check_alsa()
 352 {
 353   cat > $TMPC <<EOF
 354   #include <alsa/asoundlib.h>
 355   void main() { snd_pcm_open(0, 0, 0, 0); }
 356 EOF
 357   compile_binary "$@"
 358 }
 359
 360 check_pulseaudio()
 361 {
 362   cat > $TMPC <<EOF
 363   #include <pulse/pulseaudio.h>
 364   void main() { pa_threaded_mainloop_new(); }
 365 EOF
 366   compile_binary "$@"
 367 }
 368
 369 check_sdl()
 370 {
 371   cat > $TMPC <<EOF
 372   #include <SDL.h>
 373   void main() { SDL_OpenAudio(0, 0); }
 374 EOF
 375   compile_binary "$@"
 376 }
 377
 378 check_xlib_headers()
 379 {
 380   cat > $TMPC <<EOF
 381   #include <X11/Xlib.h>
 382   void *f() { return XOpenDisplay(0); }
 383 EOF
 384   compile_object "$@"
 385 }
 386
 387 # see if we have c64_tools for TI C64x DSP
 388 check_c64_tools()
 389 {
 390   cat > $TMPC <<EOF
 391   #include <inc_libc64_mini.h>
 392   int f() { return dsp_open(); }
 393 EOF
 394   compile_object "$@"
 395 }
 396
 397 MAIN_LDLIBS="$MAIN_LDLIBS -lz"
 398 check_zlib || fail "please install zlib (libz-dev)"
 399
 400 MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
 401 check_libpng || fail "please install libpng (libpng-dev)"
 402
 403 # find what audio support we can compile
 404 if [ "x$sound_drivers" = "x" ]; then
 405   if check_oss; then sound_drivers="$sound_drivers oss"; fi
 406   if check_alsa -lasound; then
 407     sound_drivers="$sound_drivers alsa"
 408     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 409   fi
 410   if check_pulseaudio -lpulse; then
 411     sound_drivers="$sound_drivers pulseaudio"
 412     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
 413   fi
 414   if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
 415     sound_drivers="$sound_drivers sdl"
 416     need_sdl="yes"
 417   fi
 418 else
 419   if echo $sound_drivers | grep -q "\<oss\>"; then
 420     check_oss || fail "oss support is missing"
 421   fi
 422   if echo $sound_drivers | grep -q "\<alsa\>"; then
 423     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 424     check_alsa || fail "please install libasound2-dev"
 425   fi
 426   if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
 427     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
 428     check_pulseaudio || fail "pulseaudio support is missing"
 429   fi
 430 fi
 431
 432 if [ "$need_sdl" = "yes" ]; then
 433   which sdl-config > /dev/null || \
 434     fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
 435   CFLAGS="$CFLAGS `sdl-config --cflags`"
 436   MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
 437   check_sdl || fail "please install libsdl (libsdl1.2-dev)"
 438 fi
 439
 440 # check for tslib (only headers needed)
 441 if [ "x$have_tslib" = "x" ]; then
 442   cat > $TMPC <<EOF
 443   #include <tslib.h>
 444   void test(struct ts_sample sample) {}
 445 EOF
 446   if compile_object; then
 447     have_tslib="yes"
 448   else
 449     have_tslib="no"
 450   fi
 451 fi
 452
 453 # check for VideoCore stuff for Raspberry Pi
 454 if [ -d /opt/vc/include -a -d /opt/vc/lib -a "$VIDEOCORE" != "no" ]; then
 455   CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
 456   LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
 457   if [ -f /opt/vc/lib/libbcm_host.so ]; then
 458     LDLIBS_GLES="$LDLIBS_GLES -lbcm_host"
 459   fi
 460   need_xlib="yes"
 461   VIDEOCORE="yes"
 462 fi
 463
 464 # check for GLES headers
 465 cat > $TMPC <<EOF
 466 #include <GLES/gl.h>
 467 #include <EGL/egl.h>
 468 int main(void) {
 469   return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
 470 }
 471 EOF
 472 if [ "$VIDEOCORE" = "yes" ] && compile_binary $CFLAGS_GLES -lbrcmEGL -lbrcmGLESv2 $LDLIBS_GLES; then
 473   have_gles="yes"
 474   LDLIBS_GLES="-lbrcmEGL -lbrcmGLESv2 $LDLIBS_GLES"
 475 elif compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
 476   have_gles="yes"
 477   LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
 478 elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
 479   have_gles="yes"
 480   LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
 481 fi
 482
 483 if check_c64_tools; then
 484   have_c64x_dsp="yes"
 485 fi
 486
 487 if [ "$have_gles" = "yes" ]; then
 488   plugins="$plugins plugins/gpu-gles/gpu_gles.so"
 489 fi
 490 if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
 491   plugins="$plugins plugins/gpu_neon/gpu_neon.so"
 492 fi
 493
 494 # check for xlib (only headers needed)
 495 if [ "x$need_xlib" = "xyes" ]; then
 496   check_xlib_headers || fail "please install libx11-dev"
 497 fi
 498
 499 sizeof_long=`check_define_val __SIZEOF_LONG__`
 500 if [ "x$sizeof_long" = "x4" ]; then
 501   CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64"
 502 fi
 503
 504 if [ "$enable_icache_emu" = "yes" ]; then
 505   CFLAGS="$CFLAGS -DICACHE_EMULATION"
 506 fi
 507
 508 cat > $TMPC <<EOF
 509 void test(void *f, void *d) { fread(d, 1, 1, f); }
 510 EOF
 511 if compile_object -Wno-unused-result; then
 512   CFLAGS="$CFLAGS -Wno-unused-result"
 513 fi
 514
 515 # short plugin list for display
 516 for p in $plugins; do
 517   p1=`basename $p`
 518   plugins_short="$p1 $plugins_short"
 519 done
 520
 521 # set things that failed to autodetect to "no"
 522 test "x$have_armv6" != "x" || have_armv6="no"
 523 test "x$have_armv7" != "x" || have_armv7="no"
 524 test "x$have_arm_neon" != "x" || have_arm_neon="no"
 525 test "x$have_gles" != "x" || have_gles="no"
 526 test "x$have_c64x_dsp" != "x" || have_c64x_dsp="no"
 527
 528 echo "architecture        $ARCH"
 529 echo "platform            $platform"
 530 echo "built-in GPU        $builtin_gpu"
 531 echo "sound drivers       $sound_drivers"
 532 echo "plugins             $plugins_short"
 533 echo "C compiler          $CC"
 534 echo "C compiler flags    $CFLAGS"
 535 echo "libraries           $MAIN_LDLIBS"
 536 echo "linker flags        $LDFLAGS$MAIN_LDFLAGS"
 537 echo "enable dynarec      $enable_dynarec"
 538 if [ "$ARCH" = "arm" ]; then
 539   echo "ARMv7 optimizations $have_armv7"
 540   echo "enable ARM NEON     $have_arm_neon"
 541   echo "TI C64x DSP support $have_c64x_dsp"
 542 fi
 543 echo "tslib support       $have_tslib"
 544 if [ "$platform" = "generic" ]; then
 545   echo "OpenGL ES output    $have_gles"
 546 fi
 547
 548 echo "# Automatically generated by configure" > $config_mak
 549 printf "# Configured with:" >> $config_mak
 550 printf " '%s'" "$0" "$@" >> $config_mak
 551 echo >> $config_mak
 552
 553 echo "CC = $CC" >> $config_mak
 554 echo "CXX = $CXX" >> $config_mak
 555 echo "AS = $AS" >> $config_mak
 556 echo "CFLAGS += $CFLAGS" >> $config_mak
 557 echo "ASFLAGS += $ASFLAGS" >> $config_mak
 558 echo "LDFLAGS += $LDFLAGS" >> $config_mak
 559 echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
 560 echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
 561 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
 562 echo >> $config_mak
 563
 564 if [ "$platform" = "libretro" ]; then
 565   echo "TARGET = libretro.so" >> $config_mak
 566 fi
 567 echo "ARCH = $ARCH" >> $config_mak
 568 echo "PLATFORM = $platform" >> $config_mak
 569 echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
 570 echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
 571 echo "PLUGINS = $plugins" >> $config_mak
 572 if [ "$have_arm_neon" = "yes" ]; then
 573   echo "HAVE_NEON = 1" >> $config_mak
 574 fi
 575 if [ "$have_tslib" = "yes" ]; then
 576   echo "HAVE_TSLIB = 1" >> $config_mak
 577 fi
 578 if [ "$have_gles" = "yes" ]; then
 579   echo "HAVE_GLES = 1" >> $config_mak
 580   echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
 581   echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
 582 fi
 583 if [ "$enable_dynarec" = "yes" ]; then
 584   echo "USE_DYNAREC = 1" >> $config_mak
 585 fi
 586 if [ "$drc_cache_base" = "yes" ]; then
 587   echo "DRC_CACHE_BASE = 1" >> $config_mak
 588 fi
 589 if [ "$have_c64x_dsp" = "yes" ]; then
 590   echo "HAVE_C64_TOOLS = 1" >> $config_mak
 591 fi
 592
 593 # use pandora's skin (for now)
 594 test -e skin || ln -s frontend/pandora/skin skin
 595
 596 # vim:shiftwidth=2:expandtab