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 "$@"
  80   if test -n "$DUMP_CONFIG_LOG"; then cat config.log; fi
  81   exit 1
  82 }
  83
  84 # call during arg parsing, so that cmd line can override platform defaults
  85 set_platform()
  86 {
  87   platform=$1
  88   case "$platform" in
  89   generic)
  90     ;;
  91   pandora)
  92     sound_drivers="oss alsa"
  93     ram_fixed="yes"
  94     drc_cache_base="yes"
  95     optimize_cortexa8="yes"
  96     have_arm_neon="yes"
  97     need_xlib="yes"
  98     enable_icache_emu="no"
  99     ;;
 100   maemo)
 101     ram_fixed="yes"
 102     drc_cache_base="yes"
 103     optimize_cortexa8="yes"
 104     have_arm_neon="yes"
 105     enable_icache_emu="no"
 106     ;;
 107   caanoo)
 108     sound_drivers="oss"
 109     ram_fixed="yes"
 110     drc_cache_base="yes"
 111     optimize_arm926ej="yes"
 112     need_warm="yes"
 113     enable_icache_emu="no"
 114     ;;
 115   libretro)
 116     sound_drivers="libretro"
 117     need_libpicofe="no"
 118     ;;
 119   *)
 120     fail "unsupported platform: $platform"
 121     ;;
 122   esac
 123 }
 124
 125 for opt do
 126   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
 127   case "$opt" in
 128   --help|-h) show_help="yes"
 129   ;;
 130   --platform=*) set_platform "$optarg"
 131   ;;
 132   --gpu=*) builtin_gpu="$optarg"
 133   ;;
 134   --sound-drivers=*) sound_drivers="$optarg"
 135   ;;
 136   --enable-neon) have_arm_neon="yes"
 137   ;;
 138   --disable-neon) have_arm_neon="no"
 139   ;;
 140   --disable-dynarec) enable_dynarec="no"
 141   ;;
 142   --disable-icache-emu) enable_icache_emu="no"
 143   ;;
 144   --enable-icache-emu) enable_icache_emu="yes"
 145   ;;
 146   *) echo "ERROR: unknown option $opt"; show_help="yes"
 147   ;;
 148   esac
 149 done
 150
 151 if [ "$show_help" = "yes" ]; then
 152   echo "options:"
 153   echo "  --help                   print this message"
 154   echo "  --platform=NAME          target platform [$platform]"
 155   echo "                           available: $platform_list"
 156   echo "  --gpu=NAME               builtin gpu plugin [guessed]"
 157   echo "                           available: $builtin_gpu_list"
 158   echo "  --sound-drivers=LIST     sound output drivers [guessed]"
 159   echo "                           available: $sound_driver_list"
 160   echo "  --enable-neon"
 161   echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
 162   echo "  --disable-dynarec        disable dynamic recompiler"
 163   echo "                           (dynarec is only available and enabled on ARM)"
 164   echo "  --disable-icache-emu     Disables the instruction cache emulation"
 165   echo "influential environment variables:"
 166   echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
 167   exit 1
 168 fi
 169
 170 # validate selections
 171 if [ "x$builtin_gpu" != "x" ]; then
 172   if ! echo $builtin_gpu_list | grep -q "\<$builtin_gpu\>"; then
 173     fail "unsupported builtin gpu plugin: $builtin_gpu"
 174   fi
 175 fi
 176
 177 if [ "x$sound_drivers" != "x" ]; then
 178   for d in $sound_drivers; do
 179     if ! echo $sound_driver_list | grep -q "\<$d\>"; then
 180       fail "unsupported sound driver: $sound_driver"
 181     fi
 182   done
 183 fi
 184
 185 if [ "$need_libpicofe" = "yes" ]; then
 186   if ! test -f "frontend/libpicofe/README"; then
 187     fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
 188   fi
 189 fi
 190
 191 if [ "$need_warm" = "yes" ]; then
 192   if ! test -f "frontend/warm/README"; then
 193     fail "wARM is missing, please run 'git submodule init && git submodule update'"
 194   fi
 195 fi
 196
 197 # basic compiler test
 198 cat > $TMPC <<EOF
 199 #include <zlib.h>
 200 int main(void) { return 0; }
 201 EOF
 202 if ! compile_binary; then
 203   fail "compiler test failed, please check config.log"
 204 fi
 205
 206 if [ -z "$ARCH" ]; then
 207   ARCH=`$CC -dumpmachine | awk -F '-' '{print $1}'`
 208 fi
 209
 210 case "$ARCH" in
 211 arm*)
 212   # ARM stuff
 213   ARCH="arm"
 214
 215   if [ "$optimize_cortexa8" = "yes" ]; then
 216     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
 217     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
 218   fi
 219   if [ "$optimize_arm926ej" = "yes" ]; then
 220     CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
 221     ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
 222   fi
 223
 224   if [ "x$have_arm_neon" = "x" ]; then
 225     # detect NEON from user-supplied cflags to enable asm code
 226     have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
 227   fi
 228   if [ "x$have_armv7" = "x" ]; then
 229     if check_define HAVE_ARMV7; then
 230       have_armv7="yes"
 231       have_armv6="yes"
 232       have_armv5="yes"
 233     fi
 234   fi
 235   if [ "x$have_armv6" = "x" ]; then
 236     if check_define HAVE_ARMV6; then
 237       have_armv6="yes"
 238       have_armv5="yes"
 239     fi
 240   fi
 241   if [ "x$have_armv5" = "x" ]; then
 242     have_armv5=`check_define HAVE_ARMV5 && echo yes` || true
 243   fi
 244
 245   if [ "x$builtin_gpu" = "x" ]; then
 246     if [ "$have_arm_neon" = "yes" ]; then
 247       builtin_gpu="neon"
 248     elif [ "$have_armv7" != "yes" ]; then
 249       # pre-ARMv7 hardware is usually not fast enough for peops
 250       builtin_gpu="unai"
 251     else
 252       builtin_gpu="peops"
 253     fi
 254   fi
 255
 256   # automatically set mfpu and mfloat-abi if they are not set
 257   if [ "$have_arm_neon" = "yes" ]; then
 258     fpu="neon"
 259   elif [ "$have_armv6" = "yes" ]; then
 260     fpu="vfp"
 261   fi
 262   if [ "x$fpu" != "x" ]; then
 263     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
 264     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
 265     floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
 266     if [ "$floatabi_set_by_gcc" != "yes" ]; then
 267       echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
 268       echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
 269     fi
 270   fi
 271
 272   # must disable thumb as recompiler can't handle it
 273   if check_define __thumb__; then
 274     CFLAGS="$CFLAGS -marm"
 275   fi
 276
 277   # warn about common mistakes
 278   if [ "$have_armv5" != "yes" ]; then
 279     if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
 280       echo "Warning: compiling for ARMv4, is that really what you want?"
 281       echo "You probably should specify -mcpu= or -march= like this:"
 282       echo "  CFLAGS=-march=armv6 ./configure ..."
 283     fi
 284   fi
 285   if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
 286     echo "Warning: compiling for NEON, but not ARMv7?"
 287     echo "You probably want to specify -mcpu= or -march= like this:"
 288     echo "  CFLAGS=-march=armv7-a ./configure ..."
 289   fi
 290   ;;
 291 aarch64)
 292   ;;
 293 *)
 294   # dynarec only available on ARM
 295   enable_dynarec="no"
 296   ;;
 297 esac
 298
 299 if [ "x$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="$PLUGIN_CFLAGS -fPIC"
 306 fi
 307
 308 if [ "$ram_fixed" = "yes" ]; then
 309   CFLAGS="$CFLAGS -DRAM_FIXED"
 310 fi
 311
 312 case "$platform" in
 313 generic)
 314   need_sdl="yes"
 315   ;;
 316 maemo)
 317   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES"
 318   ;;
 319 libretro)
 320   CFLAGS="$CFLAGS -fPIC"
 321   MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
 322   ;;
 323 esac
 324
 325 # header/library presence tests
 326 check_zlib()
 327 {
 328   cat > $TMPC <<EOF
 329   #include <zlib.h>
 330   int main(void) { uncompress(0, 0, 0, 0); }
 331 EOF
 332   compile_binary
 333 }
 334
 335 check_libpng()
 336 {
 337   cat > $TMPC <<EOF
 338   #include <png.h>
 339   void main() { png_init_io(0, 0); }
 340 EOF
 341   compile_binary
 342 }
 343
 344 check_oss()
 345 {
 346   cat > $TMPC <<EOF
 347   #include <sys/soundcard.h>
 348   #include <sys/ioctl.h>
 349   void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
 350 EOF
 351   compile_binary
 352 }
 353
 354 check_alsa()
 355 {
 356   cat > $TMPC <<EOF
 357   #include <alsa/asoundlib.h>
 358   void main() { snd_pcm_open(0, 0, 0, 0); }
 359 EOF
 360   compile_binary "$@"
 361 }
 362
 363 check_pulseaudio()
 364 {
 365   cat > $TMPC <<EOF
 366   #include <pulse/pulseaudio.h>
 367   void main() { pa_threaded_mainloop_new(); }
 368 EOF
 369   compile_binary "$@"
 370 }
 371
 372 check_sdl()
 373 {
 374   cat > $TMPC <<EOF
 375   #include <SDL.h>
 376   void main() { SDL_OpenAudio(0, 0); }
 377 EOF
 378   compile_binary "$@"
 379 }
 380
 381 check_xlib_headers()
 382 {
 383   cat > $TMPC <<EOF
 384   #include <X11/Xlib.h>
 385   void *f() { return XOpenDisplay(0); }
 386 EOF
 387   compile_object "$@"
 388 }
 389
 390 # see if we have c64_tools for TI C64x DSP
 391 check_c64_tools()
 392 {
 393   cat > $TMPC <<EOF
 394   #include <inc_libc64_mini.h>
 395   int f() { return dsp_open(); }
 396 EOF
 397   compile_object "$@"
 398 }
 399
 400 MAIN_LDLIBS="$MAIN_LDLIBS -lz"
 401 check_zlib || fail "please install zlib (libz-dev)"
 402
 403 MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
 404 check_libpng || fail "please install libpng (libpng-dev)"
 405
 406 # find what audio support we can compile
 407 if [ "x$sound_drivers" = "x" ]; then
 408   if check_oss; then sound_drivers="$sound_drivers oss"; fi
 409   if check_alsa -lasound; then
 410     sound_drivers="$sound_drivers alsa"
 411     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 412   fi
 413   if check_pulseaudio -lpulse; then
 414     sound_drivers="$sound_drivers pulseaudio"
 415     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
 416   fi
 417   if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
 418     sound_drivers="$sound_drivers sdl"
 419     need_sdl="yes"
 420   fi
 421 else
 422   if echo $sound_drivers | grep -q "\<oss\>"; then
 423     check_oss || fail "oss support is missing"
 424   fi
 425   if echo $sound_drivers | grep -q "\<alsa\>"; then
 426     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 427     check_alsa || fail "please install libasound2-dev"
 428   fi
 429   if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
 430     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
 431     check_pulseaudio || fail "pulseaudio support is missing"
 432   fi
 433 fi
 434
 435 if [ "$need_sdl" = "yes" ]; then
 436   which sdl-config > /dev/null || \
 437     fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
 438   CFLAGS="$CFLAGS `sdl-config --cflags`"
 439   MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
 440   check_sdl || fail "please install libsdl (libsdl1.2-dev)"
 441 fi
 442
 443 # check for tslib (only headers needed)
 444 if [ "x$have_tslib" = "x" ]; then
 445   cat > $TMPC <<EOF
 446   #include <tslib.h>
 447   void test(struct ts_sample sample) {}
 448 EOF
 449   if compile_object; then
 450     have_tslib="yes"
 451   else
 452     have_tslib="no"
 453   fi
 454 fi
 455
 456 # check for VideoCore stuff for Raspberry Pi
 457 if [ -d /opt/vc/include -a -d /opt/vc/lib -a "$VIDEOCORE" != "no" ]; then
 458   CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
 459   LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
 460   if [ -f /opt/vc/lib/libbcm_host.so ]; then
 461     LDLIBS_GLES="$LDLIBS_GLES -lbcm_host"
 462   fi
 463   need_xlib="yes"
 464   VIDEOCORE="yes"
 465 fi
 466
 467 # check for GLES headers
 468 cat > $TMPC <<EOF
 469 #include <GLES/gl.h>
 470 #include <EGL/egl.h>
 471 int main(void) {
 472   return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
 473 }
 474 EOF
 475 if [ "$VIDEOCORE" = "yes" ] && compile_binary $CFLAGS_GLES -lbrcmEGL -lbrcmGLESv2 $LDLIBS_GLES; then
 476   have_gles="yes"
 477   LDLIBS_GLES="-lbrcmEGL -lbrcmGLESv2 $LDLIBS_GLES"
 478 elif compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
 479   have_gles="yes"
 480   LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
 481 elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
 482   have_gles="yes"
 483   LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
 484 fi
 485
 486 if check_c64_tools; then
 487   have_c64x_dsp="yes"
 488 fi
 489
 490 if [ "$have_gles" = "yes" ]; then
 491   plugins="$plugins plugins/gpu-gles/gpu_gles.so"
 492 fi
 493 if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
 494   plugins="$plugins plugins/gpu_neon/gpu_neon.so"
 495 fi
 496
 497 # check for xlib (only headers needed)
 498 if [ "x$need_xlib" = "xyes" ]; then
 499   check_xlib_headers || fail "please install libx11-dev"
 500 fi
 501
 502 sizeof_long=`check_define_val __SIZEOF_LONG__`
 503 if [ "x$sizeof_long" = "x4" ]; then
 504   CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64"
 505 fi
 506
 507 if [ "$enable_icache_emu" = "yes" ]; then
 508   CFLAGS="$CFLAGS -DICACHE_EMULATION"
 509 fi
 510
 511 cat > $TMPC <<EOF
 512 void test(void *f, void *d) { fread(d, 1, 1, f); }
 513 EOF
 514 if compile_object -Wno-unused-result; then
 515   CFLAGS="$CFLAGS -Wno-unused-result"
 516 fi
 517
 518 # short plugin list for display
 519 for p in $plugins; do
 520   p1=`basename $p`
 521   plugins_short="$p1 $plugins_short"
 522 done
 523
 524 # set things that failed to autodetect to "no"
 525 test "x$have_armv6" != "x" || have_armv6="no"
 526 test "x$have_armv7" != "x" || have_armv7="no"
 527 test "x$have_arm_neon" != "x" || have_arm_neon="no"
 528 test "x$have_gles" != "x" || have_gles="no"
 529 test "x$have_c64x_dsp" != "x" || have_c64x_dsp="no"
 530
 531 echo "architecture        $ARCH"
 532 echo "platform            $platform"
 533 echo "built-in GPU        $builtin_gpu"
 534 echo "sound drivers       $sound_drivers"
 535 echo "plugins             $plugins_short"
 536 echo "C compiler          $CC"
 537 echo "C compiler flags    $CFLAGS"
 538 echo "libraries           $MAIN_LDLIBS"
 539 echo "linker flags        $LDFLAGS$MAIN_LDFLAGS"
 540 echo "enable dynarec      $enable_dynarec"
 541 if [ "$ARCH" = "arm" ]; then
 542   echo "ARMv7 optimizations $have_armv7"
 543   echo "enable ARM NEON     $have_arm_neon"
 544   echo "TI C64x DSP support $have_c64x_dsp"
 545 fi
 546 echo "tslib support       $have_tslib"
 547 if [ "$platform" = "generic" ]; then
 548   echo "OpenGL ES output    $have_gles"
 549 fi
 550
 551 echo "# Automatically generated by configure" > $config_mak
 552 printf "# Configured with:" >> $config_mak
 553 printf " '%s'" "$0" "$@" >> $config_mak
 554 echo >> $config_mak
 555
 556 echo "CC = $CC" >> $config_mak
 557 echo "CXX = $CXX" >> $config_mak
 558 echo "AS = $AS" >> $config_mak
 559 echo "CFLAGS += $CFLAGS" >> $config_mak
 560 echo "ASFLAGS += $ASFLAGS" >> $config_mak
 561 echo "LDFLAGS += $LDFLAGS" >> $config_mak
 562 echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
 563 echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
 564 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
 565 echo >> $config_mak
 566
 567 if [ "$platform" = "libretro" ]; then
 568   echo "TARGET = libretro.so" >> $config_mak
 569 fi
 570 echo "ARCH = $ARCH" >> $config_mak
 571 echo "PLATFORM = $platform" >> $config_mak
 572 echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
 573 echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
 574 echo "PLUGINS = $plugins" >> $config_mak
 575 if [ "$have_arm_neon" = "yes" ]; then
 576   echo "HAVE_NEON = 1" >> $config_mak
 577 fi
 578 if [ "$have_tslib" = "yes" ]; then
 579   echo "HAVE_TSLIB = 1" >> $config_mak
 580 fi
 581 if [ "$have_gles" = "yes" ]; then
 582   echo "HAVE_GLES = 1" >> $config_mak
 583   echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
 584   echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
 585 fi
 586 if [ "$enable_dynarec" = "yes" ]; then
 587   echo "USE_DYNAREC = 1" >> $config_mak
 588 fi
 589 if [ "$drc_cache_base" = "yes" ]; then
 590   echo "BASE_ADDR_DYNAMIC = 1" >> $config_mak
 591 fi
 592 if [ "$have_c64x_dsp" = "yes" ]; then
 593   echo "HAVE_C64_TOOLS = 1" >> $config_mak
 594 fi
 595
 596 # use pandora's skin (for now)
 597 test -e skin || ln -s frontend/pandora/skin skin
 598
 599 # vim:shiftwidth=2:expandtab