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 $3}'
  34   return 0
  35 }
  36
  37 # setting options to "yes" or "no" will make that choice default,
  38 # "" means "autodetect".
  39
  40 platform_list="generic pandora maemo caanoo libretro"
  41 platform="generic"
  42 builtin_gpu_list="peops unai neon senquack"
  43 builtin_gpu=""
  44 sound_driver_list="oss alsa pulseaudio sdl libretro"
  45 sound_drivers=""
  46 plugins="plugins/spunull/spunull.so \
  47 plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so plugins/gpu_senquack/gpu_senquack.so"
  48 drc_cache_base="no"
  49 have_armv5=""
  50 have_armv6=""
  51 have_armv7=""
  52 have_arm_neon=""
  53 have_tslib=""
  54 have_gles=""
  55 have_c64x_dsp=""
  56 enable_dynarec="yes"
  57 need_sdl="no"
  58 need_xlib="no"
  59 need_libpicofe="yes"
  60 need_warm="no"
  61 CFLAGS_GLES=""
  62 LDLIBS_GLES=""
  63 # these are for known platforms
  64 optimize_cortexa8="no"
  65 optimize_arm926ej="no"
  66
  67 # hardcoded stuff
  68 CC="${CC-${CROSS_COMPILE}gcc}"
  69 CXX="${CXX-${CROSS_COMPILE}g++}"
  70 AS="${AS-${CROSS_COMPILE}as}"
  71 AR="${AS-${CROSS_COMPILE}ar}"
  72 MAIN_LDLIBS="$LDLIBS -ldl -lm -lpthread"
  73 config_mak="config.mak"
  74
  75 SYSROOT="$(${CC} --print-sysroot)"
  76 [ "x${SDL_CONFIG}" = "x" ] && SDL_CONFIG="${SYSROOT}/usr/bin/sdl-config"
  77
  78 fail()
  79 {
  80   echo "$@"
  81   if test -n "$DUMP_CONFIG_LOG"; then cat config.log; fi
  82   exit 1
  83 }
  84
  85 # call during arg parsing, so that cmd line can override platform defaults
  86 set_platform()
  87 {
  88   platform=$1
  89   case "$platform" in
  90   generic)
  91     ;;
  92   pandora)
  93     sound_drivers="oss alsa"
  94     drc_cache_base="yes"
  95     optimize_cortexa8="yes"
  96     have_arm_neon="yes"
  97     need_xlib="yes"
  98     ;;
  99   maemo)
 100     drc_cache_base="yes"
 101     optimize_cortexa8="yes"
 102     have_arm_neon="yes"
 103     ;;
 104   caanoo)
 105     sound_drivers="oss"
 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: $sound_driver_list"
 151   echo "  --enable-neon"
 152   echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
 153   echo "  --disable-dynarec        disable dynamic recompiler"
 154   echo "                           (dynarec is only available and enabled on ARM)"
 155   echo "  --disable-icache-emu     Disables the instruction cache emulation"
 156   echo "influential environment variables:"
 157   echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
 158   exit 1
 159 fi
 160
 161 # validate selections
 162 if [ "x$builtin_gpu" != "x" ]; then
 163   if ! echo $builtin_gpu_list | grep -q "\<$builtin_gpu\>"; then
 164     fail "unsupported builtin gpu plugin: $builtin_gpu"
 165   fi
 166 fi
 167
 168 if [ "x$sound_drivers" != "x" ]; then
 169   for d in $sound_drivers; do
 170     if ! echo $sound_driver_list | grep -q "\<$d\>"; then
 171       fail "unsupported sound driver: $sound_driver"
 172     fi
 173   done
 174 fi
 175
 176 if [ "$need_libpicofe" = "yes" ]; then
 177   if ! test -f "frontend/libpicofe/README"; then
 178     fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
 179   fi
 180 fi
 181
 182 if [ "$need_warm" = "yes" ]; then
 183   if ! test -f "frontend/warm/README"; then
 184     fail "wARM is missing, please run 'git submodule init && git submodule update'"
 185   fi
 186 fi
 187
 188 # basic compiler test
 189 cat > $TMPC <<EOF
 190 #include <zlib.h>
 191 int main(void) { return 0; }
 192 EOF
 193 if ! compile_binary; then
 194   fail "compiler test failed, please check config.log"
 195 fi
 196
 197 if [ -z "$ARCH" ]; then
 198   ARCH=`$CC -dumpmachine | awk -F '-' '{print $1}'`
 199 fi
 200
 201 case "$ARCH" in
 202 arm*)
 203   # ARM stuff
 204   ARCH="arm"
 205
 206   if [ "$optimize_cortexa8" = "yes" ]; then
 207     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
 208     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
 209   fi
 210   if [ "$optimize_arm926ej" = "yes" ]; then
 211     CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
 212     ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
 213   fi
 214
 215   if [ "x$have_arm_neon" = "x" ]; then
 216     # detect NEON from user-supplied cflags to enable asm code
 217     have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
 218   fi
 219   if [ "x$have_armv7" = "x" ]; then
 220     if check_define HAVE_ARMV7; then
 221       have_armv7="yes"
 222       have_armv6="yes"
 223       have_armv5="yes"
 224     fi
 225   fi
 226   if [ "x$have_armv6" = "x" ]; then
 227     if check_define HAVE_ARMV6; then
 228       have_armv6="yes"
 229       have_armv5="yes"
 230     fi
 231   fi
 232   if [ "x$have_armv5" = "x" ]; then
 233     have_armv5=`check_define HAVE_ARMV5 && echo yes` || true
 234   fi
 235
 236   if [ "x$builtin_gpu" = "x" ]; then
 237     if [ "$have_arm_neon" = "yes" ]; then
 238       builtin_gpu="neon"
 239     elif [ "$have_armv7" != "yes" ]; then
 240       # pre-ARMv7 hardware is usually not fast enough for peops
 241       builtin_gpu="unai"
 242     else
 243       builtin_gpu="peops"
 244     fi
 245   fi
 246
 247   # automatically set mfpu and mfloat-abi if they are not set
 248   if [ "$have_arm_neon" = "yes" ]; then
 249     fpu="neon"
 250   elif [ "$have_armv6" = "yes" ]; then
 251     fpu="vfp"
 252   fi
 253   if [ "x$fpu" != "x" ]; then
 254     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
 255     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
 256     floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
 257     if [ "$floatabi_set_by_gcc" != "yes" ]; then
 258       echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
 259       echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
 260     fi
 261   fi
 262
 263   # must disable thumb as recompiler can't handle it
 264   if check_define __thumb__; then
 265     CFLAGS="$CFLAGS -marm"
 266   fi
 267
 268   # warn about common mistakes
 269   if [ "$have_armv5" != "yes" ]; then
 270     if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
 271       echo "Warning: compiling for ARMv4, is that really what you want?"
 272       echo "You probably should specify -mcpu= or -march= like this:"
 273       echo "  CFLAGS=-march=armv6 ./configure ..."
 274     fi
 275   fi
 276   if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
 277     echo "Warning: compiling for NEON, but not ARMv7?"
 278     echo "You probably want to specify -mcpu= or -march= like this:"
 279     echo "  CFLAGS=-march=armv7-a ./configure ..."
 280   fi
 281   ;;
 282 aarch64)
 283   ;;
 284 *)
 285   # dynarec only available on ARM
 286   enable_dynarec="no"
 287   ;;
 288 esac
 289
 290 if [ "x$builtin_gpu" = "x" ]; then
 291   builtin_gpu="peops"
 292 fi
 293
 294 # supposedly we can avoid -fPIC on armv5 for slightly better performace?
 295 if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
 296   PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
 297 fi
 298
 299 case "$platform" in
 300 generic)
 301   need_sdl="yes"
 302   ;;
 303 maemo)
 304   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES"
 305   ;;
 306 libretro)
 307   CFLAGS="$CFLAGS -fPIC"
 308   MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
 309   ;;
 310 esac
 311
 312 # header/library presence tests
 313 check_zlib()
 314 {
 315   cat > $TMPC <<EOF
 316   #include <zlib.h>
 317   int main(void) { uncompress(0, 0, 0, 0); }
 318 EOF
 319   compile_binary
 320 }
 321
 322 check_libpng()
 323 {
 324   cat > $TMPC <<EOF
 325   #include <png.h>
 326   void main() { png_init_io(0, 0); }
 327 EOF
 328   compile_binary
 329 }
 330
 331 check_oss()
 332 {
 333   cat > $TMPC <<EOF
 334   #include <sys/soundcard.h>
 335   #include <sys/ioctl.h>
 336   void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
 337 EOF
 338   compile_binary
 339 }
 340
 341 check_alsa()
 342 {
 343   cat > $TMPC <<EOF
 344   #include <alsa/asoundlib.h>
 345   void main() { snd_pcm_open(0, 0, 0, 0); }
 346 EOF
 347   compile_binary "$@"
 348 }
 349
 350 check_pulseaudio()
 351 {
 352   cat > $TMPC <<EOF
 353   #include <pulse/pulseaudio.h>
 354   void main() { pa_threaded_mainloop_new(); }
 355 EOF
 356   compile_binary "$@"
 357 }
 358
 359 check_sdl()
 360 {
 361   cat > $TMPC <<EOF
 362   #include <SDL.h>
 363   void main() { SDL_OpenAudio(0, 0); }
 364 EOF
 365   compile_binary "$@"
 366 }
 367
 368 check_xlib_headers()
 369 {
 370   cat > $TMPC <<EOF
 371   #include <X11/Xlib.h>
 372   void *f() { return XOpenDisplay(0); }
 373 EOF
 374   compile_object "$@"
 375 }
 376
 377 # see if we have c64_tools for TI C64x DSP
 378 check_c64_tools()
 379 {
 380   cat > $TMPC <<EOF
 381   #include <inc_libc64_mini.h>
 382   int f() { return dsp_open(); }
 383 EOF
 384   compile_object "$@"
 385 }
 386
 387 MAIN_LDLIBS="$MAIN_LDLIBS -lz"
 388 check_zlib || fail "please install zlib (libz-dev)"
 389
 390 MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
 391 check_libpng || fail "please install libpng (libpng-dev)"
 392
 393 # find what audio support we can compile
 394 if [ "x$sound_drivers" = "x" ]; then
 395   if check_oss; then sound_drivers="$sound_drivers oss"; fi
 396   if check_alsa -lasound; then
 397     sound_drivers="$sound_drivers alsa"
 398     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 399   fi
 400   if check_pulseaudio -lpulse; then
 401     sound_drivers="$sound_drivers pulseaudio"
 402     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
 403   fi
 404   if [ "$need_sdl" = "yes" ] || check_sdl `${SDL_CONFIG} --cflags --libs`; then
 405     sound_drivers="$sound_drivers sdl"
 406     need_sdl="yes"
 407   fi
 408 else
 409   if echo $sound_drivers | grep -q "\<oss\>"; then
 410     check_oss || fail "oss support is missing"
 411   fi
 412   if echo $sound_drivers | grep -q "\<alsa\>"; then
 413     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
 414     check_alsa || fail "please install libasound2-dev"
 415   fi
 416   if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
 417     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
 418     check_pulseaudio || fail "pulseaudio support is missing"
 419   fi
 420 fi
 421
 422 if [ "$need_sdl" = "yes" ]; then
 423   which ${SDL_CONFIG} > /dev/null || \
 424     fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
 425   CFLAGS="$CFLAGS `${SDL_CONFIG} --cflags`"
 426   MAIN_LDLIBS="`${SDL_CONFIG} --libs` $MAIN_LDLIBS"
 427   check_sdl || fail "please install libsdl (libsdl1.2-dev)"
 428 fi
 429
 430 # check for tslib (only headers needed)
 431 if [ "x$have_tslib" = "x" ]; then
 432   cat > $TMPC <<EOF
 433   #include <tslib.h>
 434   void test(struct ts_sample sample) {}
 435 EOF
 436   if compile_object; then
 437     have_tslib="yes"
 438   else
 439     have_tslib="no"
 440   fi
 441 fi
 442
 443 # check for VideoCore stuff for Raspberry Pi
 444 if [ -d /opt/vc/include -a -d /opt/vc/lib -a "$VIDEOCORE" != "no" ]; then
 445   CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
 446   LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
 447   if [ -f /opt/vc/lib/libbcm_host.so ]; then
 448     LDLIBS_GLES="$LDLIBS_GLES -lbcm_host"
 449   fi
 450   need_xlib="yes"
 451   VIDEOCORE="yes"
 452 fi
 453
 454 # check for GLES headers
 455 cat > $TMPC <<EOF
 456 #include <GLES/gl.h>
 457 #include <EGL/egl.h>
 458 int main(void) {
 459   return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
 460 }
 461 EOF
 462 if [ "$VIDEOCORE" = "yes" ] && compile_binary $CFLAGS_GLES -lbrcmEGL -lbrcmGLESv2 $LDLIBS_GLES; then
 463   have_gles="yes"
 464   LDLIBS_GLES="-lbrcmEGL -lbrcmGLESv2 $LDLIBS_GLES"
 465 elif compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
 466   have_gles="yes"
 467   LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
 468 elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
 469   have_gles="yes"
 470   LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
 471 fi
 472
 473 if check_c64_tools; then
 474   have_c64x_dsp="yes"
 475 fi
 476
 477 if [ "$have_gles" = "yes" ]; then
 478   plugins="$plugins plugins/gpu-gles/gpu_gles.so"
 479 fi
 480 if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
 481   plugins="$plugins plugins/gpu_neon/gpu_neon.so"
 482 fi
 483
 484 # check for xlib (only headers needed)
 485 if [ "x$need_xlib" = "xyes" ]; then
 486   check_xlib_headers || fail "please install libx11-dev"
 487 fi
 488
 489 sizeof_long=`check_define_val __SIZEOF_LONG__`
 490 if [ "x$sizeof_long" = "x4" ]; then
 491   CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64"
 492 fi
 493
 494 cat > $TMPC <<EOF
 495 void test(void *f, void *d) { fread(d, 1, 1, f); }
 496 EOF
 497 if compile_object -Wno-unused-result; then
 498   CFLAGS="$CFLAGS -Wno-unused-result"
 499 fi
 500
 501 # short plugin list for display
 502 for p in $plugins; do
 503   p1=`basename $p`
 504   plugins_short="$p1 $plugins_short"
 505 done
 506
 507 # set things that failed to autodetect to "no"
 508 test "x$have_armv6" != "x" || have_armv6="no"
 509 test "x$have_armv7" != "x" || have_armv7="no"
 510 test "x$have_arm_neon" != "x" || have_arm_neon="no"
 511 test "x$have_gles" != "x" || have_gles="no"
 512 test "x$have_c64x_dsp" != "x" || have_c64x_dsp="no"
 513
 514 echo "architecture        $ARCH"
 515 echo "platform            $platform"
 516 echo "built-in GPU        $builtin_gpu"
 517 echo "sound drivers       $sound_drivers"
 518 echo "plugins             $plugins_short"
 519 echo "C compiler          $CC"
 520 echo "C compiler flags    $CFLAGS"
 521 echo "libraries           $MAIN_LDLIBS"
 522 echo "linker flags        $LDFLAGS$MAIN_LDFLAGS"
 523 echo "enable dynarec      $enable_dynarec"
 524 if [ "$ARCH" = "arm" ]; then
 525   echo "ARMv7 optimizations $have_armv7"
 526   echo "enable ARM NEON     $have_arm_neon"
 527   echo "TI C64x DSP support $have_c64x_dsp"
 528 fi
 529 echo "tslib support       $have_tslib"
 530 if [ "$platform" = "generic" ]; then
 531   echo "OpenGL ES output    $have_gles"
 532 fi
 533
 534 echo "# Automatically generated by configure" > $config_mak
 535 printf "# Configured with:" >> $config_mak
 536 printf " '%s'" "$0" "$@" >> $config_mak
 537 echo >> $config_mak
 538
 539 echo "CC = $CC" >> $config_mak
 540 echo "CXX = $CXX" >> $config_mak
 541 echo "AS = $AS" >> $config_mak
 542 echo "CFLAGS += $CFLAGS" >> $config_mak
 543 echo "ASFLAGS += $ASFLAGS" >> $config_mak
 544 echo "LDFLAGS += $LDFLAGS" >> $config_mak
 545 echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
 546 echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
 547 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
 548 echo >> $config_mak
 549
 550 if [ "$platform" = "libretro" ]; then
 551   echo "TARGET = libretro.so" >> $config_mak
 552 fi
 553 echo "ARCH = $ARCH" >> $config_mak
 554 echo "PLATFORM = $platform" >> $config_mak
 555 echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
 556 echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
 557 echo "PLUGINS = $plugins" >> $config_mak
 558 if [ "$have_arm_neon" = "yes" ]; then
 559   echo "HAVE_NEON = 1" >> $config_mak
 560 fi
 561 if [ "$have_tslib" = "yes" ]; then
 562   echo "HAVE_TSLIB = 1" >> $config_mak
 563 fi
 564 if [ "$have_gles" = "yes" ]; then
 565   echo "HAVE_GLES = 1" >> $config_mak
 566   echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
 567   echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
 568 fi
 569 if [ "$enable_dynarec" = "yes" ]; then
 570   echo "USE_DYNAREC = 1" >> $config_mak
 571 fi
 572 if [ "$drc_cache_base" = "yes" ]; then
 573   echo "BASE_ADDR_DYNAMIC = 1" >> $config_mak
 574 fi
 575 if [ "$have_c64x_dsp" = "yes" ]; then
 576   echo "HAVE_C64_TOOLS = 1" >> $config_mak
 577 fi
 578
 579 # use pandora's skin (for now)
 580 test -e skin || ln -s frontend/pandora/skin skin
 581
 582 # vim:shiftwidth=2:expandtab