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 $3}'
  34   return 0
  35 }
  36
  37 # setting options to "yes" or "no" will make that choice default,
  38 # "" means "autodetect".
  39
  40 platform_list="generic pandora maemo caanoo libretro"
  41 platform="generic"
  42 builtin_gpu_list="peops unai neon"
  43 builtin_gpu=""
  44 sound_driver_list="oss alsa pulseaudio sdl libretro"
  45 sound_drivers=""
  46 plugins="plugins/spunull/spunull.so \
  47 plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
  48 drc_cache_base="no"
  49 have_armv5=""
  50 have_armv6=""
  51 have_armv7=""
  52 have_arm_neon=""
  53 have_arm_neon_asm=""
  54 have_tslib=""
  55 have_gles=""
  56 have_c64x_dsp=""
  57 enable_dynarec="yes"
  58 need_sdl="no"
  59 need_xlib="no"
  60 need_libpicofe="yes"
  61 need_warm="no"
  62 CFLAGS_GLES=""
  63 LDLIBS_GLES=""
  64 # these are for known platforms
  65 optimize_cortexa8="no"
  66 optimize_arm926ej="no"
  67
  68 # hardcoded stuff
  69 CC="${CC-${CROSS_COMPILE}gcc}"
  70 CXX="${CXX-${CROSS_COMPILE}g++}"
  71 AS="${AS-${CROSS_COMPILE}as}"
  72 AR="${AS-${CROSS_COMPILE}ar}"
  73 MAIN_LDLIBS="$LDLIBS -ldl -lm -lpthread"
  74 config_mak="config.mak"
  75
  76 fail()
  77 {
  78   echo "$@"
  79   if test -n "$DUMP_CONFIG_LOG"; then cat config.log; fi
  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     drc_cache_base="yes"
  93     optimize_cortexa8="yes"
  94     have_arm_neon="yes"
  95     need_xlib="yes"
  96     ;;
  97   maemo)
  98     drc_cache_base="yes"
  99     optimize_cortexa8="yes"
 100     have_arm_neon="yes"
 101     ;;
 102   caanoo)
 103     sound_drivers="oss"
 104     drc_cache_base="yes"
 105     optimize_arm926ej="yes"
 106     need_warm="yes"
 107     ;;
 108   libretro)
 109     sound_drivers="libretro"
 110     need_libpicofe="no"
 111     ;;
 112   *)
 113     fail "unsupported platform: $platform"
 114     ;;
 115   esac
 116 }
 117
 118 for opt do
 119   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
 120   case "$opt" in
 121   --help|-h) show_help="yes"
 122   ;;
 123   --platform=*) set_platform "$optarg"
 124   ;;
 125   --gpu=*) builtin_gpu="$optarg"
 126   ;;
 127   --sound-drivers=*) sound_drivers="$optarg"
 128   ;;
 129   --enable-neon) have_arm_neon="yes"
 130   ;;
 131   --disable-neon) have_arm_neon="no"
 132   ;;
 133   --disable-dynarec) enable_dynarec="no"
 134   ;;
 135   *) echo "ERROR: unknown option $opt"; show_help="yes"
 136   ;;
 137   esac
 138 done
 139
 140 if [ "$show_help" = "yes" ]; then
 141   echo "options:"
 142   echo "  --help                   print this message"
 143   echo "  --platform=NAME          target platform [$platform]"
 144   echo "                           available: $platform_list"
 145   echo "  --gpu=NAME               builtin gpu plugin [guessed]"
 146   echo "                           available: $builtin_gpu_list"
 147   echo "  --sound-drivers=LIST     sound output drivers [guessed]"
 148   echo "                           available: $sound_driver_list"
 149   echo "  --enable-neon"
 150   echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
 151   echo "  --disable-dynarec        disable dynamic recompiler"
 152   echo "                           (dynarec is only available and enabled on ARM)"
 153   echo "influential environment variables:"
 154   echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
 155   exit 1
 156 fi
 157
 158 # validate selections
 159 if [ "x$builtin_gpu" != "x" ]; then
 160   if ! echo $builtin_gpu_list | grep -q "\<$builtin_gpu\>"; then
 161     fail "unsupported builtin gpu plugin: $builtin_gpu"
 162   fi
 163 fi
 164
 165 if [ "x$sound_drivers" != "x" ]; then
 166   for d in $sound_drivers; do
 167     if ! echo $sound_driver_list | grep -q "\<$d\>"; then
 168       fail "unsupported sound driver: $sound_driver"
 169     fi
 170   done
 171 fi
 172
 173 if [ "$need_libpicofe" = "yes" ]; then
 174   if ! test -f "frontend/libpicofe/README"; then
 175     fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
 176   fi
 177 fi
 178
 179 if [ "$need_warm" = "yes" ]; then
 180   if ! test -f "frontend/warm/README"; then
 181     fail "wARM is missing, please run 'git submodule init && git submodule update'"
 182   fi
 183 fi
 184
 185 # basic compiler test
 186 cat > $TMPC <<EOF
 187 #include <zlib.h>
 188 int main(void) { return 0; }
 189 EOF
 190 if ! compile_binary; then
 191   fail "compiler test failed, please check config.log"
 192 fi
 193
 194 if [ -z "$ARCH" ]; then
 195   ARCH=`$CC -dumpmachine | awk -F '-' '{print $1}'`
 196 fi
 197
 198 case "$ARCH" in
 199 arm*)
 200   # ARM stuff
 201   ARCH="arm"
 202
 203   if [ "$optimize_cortexa8" = "yes" ]; then
 204     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
 205     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
 206   fi
 207   if [ "$optimize_arm926ej" = "yes" ]; then
 208     CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
 209     ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
 210   fi
 211
 212   if [ "x$have_arm_neon" = "x" ]; then
 213     # detect NEON from user-supplied cflags to enable neon code
 214     have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
 215   fi
 216   if [ "x$have_armv7" = "x" ]; then
 217     if check_define HAVE_ARMV7; then
 218       have_armv7="yes"
 219       have_armv6="yes"
 220       have_armv5="yes"
 221     fi
 222   fi
 223   if [ "x$have_armv6" = "x" ]; then
 224     if check_define HAVE_ARMV6; then
 225       have_armv6="yes"
 226       have_armv5="yes"
 227     fi
 228   fi
 229   if [ "x$have_armv5" = "x" ]; then
 230     have_armv5=`check_define HAVE_ARMV5 && echo yes` || true
 231   fi
 232
 233   if [ "x$builtin_gpu" = "x" ]; then
 234     if [ "$have_arm_neon" = "yes" ]; then
 235       builtin_gpu="neon"
 236     elif [ "$have_armv7" != "yes" ]; then
 237       # pre-ARMv7 hardware is usually not fast enough for peops
 238       builtin_gpu="unai"
 239     else
 240       builtin_gpu="peops"
 241     fi
 242   fi
 243
 244   # automatically set mfpu and mfloat-abi if they are not set
 245   if [ "$have_arm_neon" = "yes" ]; then
 246     fpu="neon"
 247   elif [ "$have_armv6" = "yes" ]; then
 248     fpu="vfp"
 249   fi
 250   if [ "x$fpu" != "x" ]; then
 251     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
 252     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
 253     floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
 254     if [ "$floatabi_set_by_gcc" != "yes" ]; then
 255       echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
 256       echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
 257     fi
 258   fi
 259
 260   # must disable thumb as recompiler can't handle it
 261   if check_define __thumb__; then
 262     CFLAGS="$CFLAGS -marm"
 263   fi
 264
 265   # warn about common mistakes
 266   if [ "$have_armv5" != "yes" ]; then
 267     if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
 268       echo "Warning: compiling for ARMv4, is that really what you want?"
 269       echo "You probably should specify -mcpu= or -march= like this:"
 270       echo "  CFLAGS=-march=armv6 ./configure ..."
 271     fi
 272   fi
 273   if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
 274     echo "Warning: compiling for NEON, but not ARMv7?"
 275     echo "You probably want to specify -mcpu= or -march= like this:"
 276     echo "  CFLAGS=-march=armv7-a ./configure ..."
 277   fi
 278   have_arm_neon_asm=$have_arm_neon
 279   ;;
 280 aarch64)
 281   have_arm_neon="yes"
 282   have_arm_neon_asm="no"
 283   if [ "x$builtin_gpu" = "x" ]; then
 284     builtin_gpu="neon"
 285   fi
 286   ;;
 287 x86_64)
 288   enable_dynarec="no"
 289   if [ "x$builtin_gpu" = "x" ]; then
 290     builtin_gpu="neon"
 291   fi
 292   ;;
 293 *)
 294   # dynarec only available on ARM
 295   enable_dynarec="no"
 296   ;;
 297 esac
 298
 299 if [ "x$builtin_gpu" = "x" ]; then
 300   builtin_gpu="peops"
 301 fi
 302
 303 # supposedly we can avoid -fPIC on armv5 for slightly better performace?
 304 if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
 305   PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
 306 fi
 307
 308 case "$platform" in
 309 generic)
 310   need_sdl="yes"
 311   ;;
 312 maemo)
 313   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES"
 314   ;;
 315 libretro)
 316   CFLAGS="$CFLAGS -fPIC"
 317   MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
 318   ;;
 319 esac
 320
 321 # header/library presence tests
 322 check_zlib()
 323 {
 324   cat > $TMPC <<EOF
 325   #include <zlib.h>
 326   int main(void) { uncompress(0, 0, 0, 0); }
 327 EOF
 328   compile_binary
 329 }
 330
 331 check_libpng()
 332 {
 333   cat > $TMPC <<EOF
 334   #include <png.h>
 335   void main() { png_init_io(0, 0); }
 336 EOF
 337   compile_binary
 338 }
 339
 340 check_oss()
 341 {
 342   cat > $TMPC <<EOF
 343   #include <sys/soundcard.h>
 344   #include <sys/ioctl.h>
 345   void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
 346 EOF
 347   compile_binary
 348 }
 349
 350 check_alsa()
 351 {
 352   cat > $TMPC <<EOF
 353   #include <alsa/asoundlib.h>
 354   void main() { snd_pcm_open(0, 0, 0, 0); }
 355 EOF
 356   compile_binary "$@"
 357 }
 358
 359 check_pulseaudio()
 360 {
 361   cat > $TMPC <<EOF
 362   #include <pulse/pulseaudio.h>
 363   void main() { pa_threaded_mainloop_new(); }
 364 EOF
 365   compile_binary "$@"
 366 }
 367
 368 check_sdl()
 369 {
 370   cat > $TMPC <<EOF
 371   #include <SDL.h>
 372   void main() { SDL_OpenAudio(0, 0); }
 373 EOF
 374   compile_binary "$@"
 375 }
 376
 377 check_xlib_headers()
 378 {
 379   cat > $TMPC <<EOF
 380   #include <X11/Xlib.h>
 381   void *f() { return XOpenDisplay(0); }
 382 EOF
 383   compile_object "$@"
 384 }
 385
 386 # see if we have c64_tools for TI C64x DSP
 387 check_c64_tools()
 388 {
 389   cat > $TMPC <<EOF
 390   #include <inc_libc64_mini.h>
 391   int f() { return dsp_open(); }
 392 EOF
 393   compile_object "$@"
 394 }
 395
 396 MAIN_LDLIBS="$MAIN_LDLIBS -lz"
 397 check_zlib || fail "please install zlib (libz-dev)"
 398
 399 MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
 400 check_libpng || fail "please install libpng (libpng-dev)"
 401
 402 # find what audio support we can compile
 403 if [ "x$sound_drivers" = "x" ]; then
 404   if check_oss; then sound_drivers="$sound_drivers oss"; fi
 405   if check_alsa -lasound; then
 406     sound_drivers="$sound_drivers alsa"
 407     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 408   fi
 409   if check_pulseaudio -lpulse; then
 410     sound_drivers="$sound_drivers pulseaudio"
 411     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
 412   fi
 413   if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
 414     sound_drivers="$sound_drivers sdl"
 415     need_sdl="yes"
 416   fi
 417 else
 418   if echo $sound_drivers | grep -q "\<oss\>"; then
 419     check_oss || fail "oss support is missing"
 420   fi
 421   if echo $sound_drivers | grep -q "\<alsa\>"; then
 422     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 423     check_alsa || fail "please install libasound2-dev"
 424   fi
 425   if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
 426     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
 427     check_pulseaudio || fail "pulseaudio support is missing"
 428   fi
 429 fi
 430
 431 if [ "$need_sdl" = "yes" ]; then
 432   which sdl-config > /dev/null || \
 433     fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
 434   CFLAGS="$CFLAGS `sdl-config --cflags`"
 435   MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
 436   check_sdl || fail "please install libsdl (libsdl1.2-dev)"
 437 fi
 438
 439 # check for tslib (only headers needed)
 440 if [ "x$have_tslib" = "x" ]; then
 441   cat > $TMPC <<EOF
 442   #include <tslib.h>
 443   void test(struct ts_sample sample) {}
 444 EOF
 445   if compile_object; then
 446     have_tslib="yes"
 447   else
 448     have_tslib="no"
 449   fi
 450 fi
 451
 452 # check for VideoCore stuff for Raspberry Pi
 453 if [ -d /opt/vc/include -a -d /opt/vc/lib -a "$VIDEOCORE" != "no" ]; then
 454   CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
 455   LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
 456   if [ -f /opt/vc/lib/libbcm_host.so ]; then
 457     LDLIBS_GLES="$LDLIBS_GLES -lbcm_host"
 458   fi
 459   need_xlib="yes"
 460   VIDEOCORE="yes"
 461 fi
 462
 463 # check for GLES headers
 464 cat > $TMPC <<EOF
 465 #include <GLES/gl.h>
 466 #include <EGL/egl.h>
 467 int main(void) {
 468   return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
 469 }
 470 EOF
 471 if [ "$VIDEOCORE" = "yes" ] && compile_binary $CFLAGS_GLES -lbrcmEGL -lbrcmGLESv2 $LDLIBS_GLES; then
 472   have_gles="yes"
 473   LDLIBS_GLES="-lbrcmEGL -lbrcmGLESv2 $LDLIBS_GLES"
 474 elif compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
 475   have_gles="yes"
 476   LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
 477 elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
 478   have_gles="yes"
 479   LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
 480 fi
 481
 482 if check_c64_tools; then
 483   have_c64x_dsp="yes"
 484 fi
 485
 486 if [ "$have_gles" = "yes" ]; then
 487   plugins="$plugins plugins/gpu-gles/gpu_gles.so"
 488 fi
 489 if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
 490   plugins="$plugins plugins/gpu_neon/gpu_neon.so"
 491 fi
 492
 493 # check for xlib (only headers needed)
 494 if [ "x$need_xlib" = "xyes" ]; then
 495   check_xlib_headers || fail "please install libx11-dev"
 496 fi
 497
 498 sizeof_long=`check_define_val __SIZEOF_LONG__`
 499 if [ "x$sizeof_long" = "x4" ]; then
 500   CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64"
 501 fi
 502
 503 cat > $TMPC <<EOF
 504 void test(void *f, void *d) { fread(d, 1, 1, f); }
 505 EOF
 506 if compile_object -Wno-unused-result; then
 507   CFLAGS="$CFLAGS -Wno-unused-result"
 508 fi
 509
 510 # short plugin list for display
 511 for p in $plugins; do
 512   p1=`basename $p`
 513   plugins_short="$p1 $plugins_short"
 514 done
 515
 516 # set things that failed to autodetect to "no"
 517 test "x$have_armv6" != "x" || have_armv6="no"
 518 test "x$have_armv7" != "x" || have_armv7="no"
 519 test "x$have_arm_neon" != "x" || have_arm_neon="no"
 520 test "x$have_arm_neon_asm" != "x" || have_arm_neon_asm="no"
 521 test "x$have_gles" != "x" || have_gles="no"
 522 test "x$have_c64x_dsp" != "x" || have_c64x_dsp="no"
 523
 524 echo "architecture        $ARCH"
 525 echo "platform            $platform"
 526 echo "built-in GPU        $builtin_gpu"
 527 echo "sound drivers       $sound_drivers"
 528 echo "plugins             $plugins_short"
 529 echo "C compiler          $CC"
 530 echo "C compiler flags    $CFLAGS"
 531 echo "libraries           $MAIN_LDLIBS"
 532 echo "linker flags        $LDFLAGS$MAIN_LDFLAGS"
 533 echo "enable dynarec      $enable_dynarec"
 534 if [ "$ARCH" = "arm" -o "$ARCH" = "aarch64" ]; then
 535   echo "enable ARM NEON     $have_arm_neon"
 536 fi
 537 if [ "$ARCH" = "arm" ]; then
 538   echo "ARMv7 optimizations $have_armv7"
 539   echo "TI C64x DSP support $have_c64x_dsp"
 540 fi
 541 echo "tslib support       $have_tslib"
 542 if [ "$platform" = "generic" ]; then
 543   echo "OpenGL ES output    $have_gles"
 544 fi
 545
 546 echo "# Automatically generated by configure" > $config_mak
 547 printf "# Configured with:" >> $config_mak
 548 printf " '%s'" "$0" "$@" >> $config_mak
 549 echo >> $config_mak
 550
 551 echo "CC = $CC" >> $config_mak
 552 echo "CXX = $CXX" >> $config_mak
 553 echo "AS = $AS" >> $config_mak
 554 echo "CFLAGS += $CFLAGS" >> $config_mak
 555 echo "ASFLAGS += $ASFLAGS" >> $config_mak
 556 echo "LDFLAGS += $LDFLAGS" >> $config_mak
 557 echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
 558 echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
 559 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
 560 echo >> $config_mak
 561
 562 if [ "$platform" = "libretro" ]; then
 563   echo "TARGET = libretro.so" >> $config_mak
 564 fi
 565 echo "ARCH = $ARCH" >> $config_mak
 566 echo "PLATFORM = $platform" >> $config_mak
 567 echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
 568 echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
 569 echo "PLUGINS = $plugins" >> $config_mak
 570 if [ "$have_arm_neon" = "yes" ]; then
 571   echo "HAVE_NEON = 1" >> $config_mak
 572 fi
 573 if [ "$have_arm_neon_asm" = "yes" ]; then
 574   echo "HAVE_NEON_ASM = 1" >> $config_mak
 575 fi
 576 if [ "$have_tslib" = "yes" ]; then
 577   echo "HAVE_TSLIB = 1" >> $config_mak
 578 fi
 579 if [ "$have_gles" = "yes" ]; then
 580   echo "HAVE_GLES = 1" >> $config_mak
 581   echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
 582   echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
 583 fi
 584 if [ "$enable_dynarec" = "yes" ]; then
 585   echo "DYNAREC = ari64" >> $config_mak
 586 fi
 587 if [ "$drc_cache_base" = "yes" ]; then
 588   echo "BASE_ADDR_DYNAMIC = 1" >> $config_mak
 589 fi
 590 if [ "$have_c64x_dsp" = "yes" ]; then
 591   echo "HAVE_C64_TOOLS = 1" >> $config_mak
 592 fi
 593
 594 # use pandora's skin (for now)
 595 test -e skin || ln -s frontend/pandora/skin skin
 596
 597 # vim:shiftwidth=2:expandtab