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