1 """gallium 2 3 Frontend-tool for Gallium3D architecture. 4 5 """ 6 7 # 8 # Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. 9 # All Rights Reserved. 10 # 11 # Permission is hereby granted, free of charge, to any person obtaining a 12 # copy of this software and associated documentation files (the 13 # "Software"), to deal in the Software without restriction, including 14 # without limitation the rights to use, copy, modify, merge, publish, 15 # distribute, sub license, and/or sell copies of the Software, and to 16 # permit persons to whom the Software is furnished to do so, subject to 17 # the following conditions: 18 # 19 # The above copyright notice and this permission notice (including the 20 # next paragraph) shall be included in all copies or substantial portions 21 # of the Software. 22 # 23 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 24 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 26 # IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 27 # ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 28 # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 29 # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 30 # 31 32 33 import distutils.version 34 import os 35 import os.path 36 import re 37 import subprocess 38 import platform as _platform 39 40 import SCons.Action 41 import SCons.Builder 42 import SCons.Scanner 43 44 45 def symlink(target, source, env): 46 target = str(target[0]) 47 source = str(source[0]) 48 if os.path.islink(target) or os.path.exists(target): 49 os.remove(target) 50 os.symlink(os.path.basename(source), target) 51 52 def install(env, source, subdir): 53 target_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build_dir'], subdir) 54 return env.Install(target_dir, source) 55 56 def install_program(env, source): 57 return install(env, source, 'bin') 58 59 def install_shared_library(env, sources, version = ()): 60 targets = [] 61 install_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build_dir']) 62 version = tuple(map(str, version)) 63 if env['SHLIBSUFFIX'] == '.dll': 64 dlls = env.FindIxes(sources, 'SHLIBPREFIX', 'SHLIBSUFFIX') 65 targets += install(env, dlls, 'bin') 66 libs = env.FindIxes(sources, 'LIBPREFIX', 'LIBSUFFIX') 67 targets += install(env, libs, 'lib') 68 else: 69 for source in sources: 70 target_dir = os.path.join(install_dir, 'lib') 71 target_name = '.'.join((str(source),) + version) 72 last = env.InstallAs(os.path.join(target_dir, target_name), source) 73 targets += last 74 while len(version): 75 version = version[:-1] 76 target_name = '.'.join((str(source),) + version) 77 action = SCons.Action.Action(symlink, " Symlinking $TARGET ...") 78 last = env.Command(os.path.join(target_dir, target_name), last, action) 79 targets += last 80 return targets 81 82 83 def createInstallMethods(env): 84 env.AddMethod(install_program, 'InstallProgram') 85 env.AddMethod(install_shared_library, 'InstallSharedLibrary') 86 87 88 def num_jobs(): 89 try: 90 return int(os.environ['NUMBER_OF_PROCESSORS']) 91 except (ValueError, KeyError): 92 pass 93 94 try: 95 return os.sysconf('SC_NPROCESSORS_ONLN') 96 except (ValueError, OSError, AttributeError): 97 pass 98 99 try: 100 return int(os.popen2("sysctl -n hw.ncpu")[1].read()) 101 except ValueError: 102 pass 103 104 return 1 105 106 107 def generate(env): 108 """Common environment generation code""" 109 110 # Tell tools which machine to compile for 111 env['TARGET_ARCH'] = env['machine'] 112 env['MSVS_ARCH'] = env['machine'] 113 114 # Toolchain 115 platform = env['platform'] 116 env.Tool(env['toolchain']) 117 118 # Allow override compiler and specify additional flags from environment 119 if os.environ.has_key('CC'): 120 env['CC'] = os.environ['CC'] 121 # Update CCVERSION to match 122 pipe = SCons.Action._subproc(env, [env['CC'], '--version'], 123 stdin = 'devnull', 124 stderr = 'devnull', 125 stdout = subprocess.PIPE) 126 if pipe.wait() == 0: 127 line = pipe.stdout.readline() 128 match = re.search(r'[0-9]+(\.[0-9]+)+', line) 129 if match: 130 env['CCVERSION'] = match.group(0) 131 if os.environ.has_key('CFLAGS'): 132 env['CCFLAGS'] += SCons.Util.CLVar(os.environ['CFLAGS']) 133 if os.environ.has_key('CXX'): 134 env['CXX'] = os.environ['CXX'] 135 if os.environ.has_key('CXXFLAGS'): 136 env['CXXFLAGS'] += SCons.Util.CLVar(os.environ['CXXFLAGS']) 137 if os.environ.has_key('LDFLAGS'): 138 env['LINKFLAGS'] += SCons.Util.CLVar(os.environ['LDFLAGS']) 139 140 env['gcc'] = 'gcc' in os.path.basename(env['CC']).split('-') 141 env['msvc'] = env['CC'] == 'cl' 142 env['suncc'] = env['platform'] == 'sunos' and os.path.basename(env['CC']) == 'cc' 143 env['clang'] = env['CC'] == 'clang' 144 env['icc'] = 'icc' == os.path.basename(env['CC']) 145 146 if env['msvc'] and env['toolchain'] == 'default' and env['machine'] == 'x86_64': 147 # MSVC x64 support is broken in earlier versions of scons 148 env.EnsurePythonVersion(2, 0) 149 150 # shortcuts 151 machine = env['machine'] 152 platform = env['platform'] 153 x86 = env['machine'] == 'x86' 154 ppc = env['machine'] == 'ppc' 155 gcc = env['gcc'] 156 msvc = env['msvc'] 157 suncc = env['suncc'] 158 icc = env['icc'] 159 160 # Determine whether we are cross compiling; in particular, whether we need 161 # to compile code generators with a different compiler as the target code. 162 host_platform = _platform.system().lower() 163 if host_platform.startswith('cygwin'): 164 host_platform = 'cygwin' 165 host_machine = os.environ.get('PROCESSOR_ARCHITEW6432', os.environ.get('PROCESSOR_ARCHITECTURE', _platform.machine())) 166 host_machine = { 167 'x86': 'x86', 168 'i386': 'x86', 169 'i486': 'x86', 170 'i586': 'x86', 171 'i686': 'x86', 172 'ppc' : 'ppc', 173 'AMD64': 'x86_64', 174 'x86_64': 'x86_64', 175 }.get(host_machine, 'generic') 176 env['crosscompile'] = platform != host_platform 177 if machine == 'x86_64' and host_machine != 'x86_64': 178 env['crosscompile'] = True 179 env['hostonly'] = False 180 181 # Backwards compatability with the debug= profile= options 182 if env['build'] == 'debug': 183 if not env['debug']: 184 print 'scons: warning: debug option is deprecated and will be removed eventually; use instead' 185 print 186 print ' scons build=release' 187 print 188 env['build'] = 'release' 189 if env['profile']: 190 print 'scons: warning: profile option is deprecated and will be removed eventually; use instead' 191 print 192 print ' scons build=profile' 193 print 194 env['build'] = 'profile' 195 if False: 196 # Enforce SConscripts to use the new build variable 197 env.popitem('debug') 198 env.popitem('profile') 199 else: 200 # Backwards portability with older sconscripts 201 if env['build'] in ('debug', 'checked'): 202 env['debug'] = True 203 env['profile'] = False 204 if env['build'] == 'profile': 205 env['debug'] = False 206 env['profile'] = True 207 if env['build'] == 'release': 208 env['debug'] = False 209 env['profile'] = False 210 211 # Put build output in a separate dir, which depends on the current 212 # configuration. See also http://www.scons.org/wiki/AdvancedBuildExample 213 build_topdir = 'build' 214 build_subdir = env['platform'] 215 if env['embedded']: 216 build_subdir = 'embedded-' + build_subdir 217 if env['machine'] != 'generic': 218 build_subdir += '-' + env['machine'] 219 if env['build'] != 'release': 220 build_subdir += '-' + env['build'] 221 build_dir = os.path.join(build_topdir, build_subdir) 222 # Place the .sconsign file in the build dir too, to avoid issues with 223 # different scons versions building the same source file 224 env['build_dir'] = build_dir 225 env.SConsignFile(os.path.join(build_dir, '.sconsign')) 226 if 'SCONS_CACHE_DIR' in os.environ: 227 print 'scons: Using build cache in %s.' % (os.environ['SCONS_CACHE_DIR'],) 228 env.CacheDir(os.environ['SCONS_CACHE_DIR']) 229 env['CONFIGUREDIR'] = os.path.join(build_dir, 'conf') 230 env['CONFIGURELOG'] = os.path.join(os.path.abspath(build_dir), 'config.log') 231 232 # Parallel build 233 if env.GetOption('num_jobs') <= 1: 234 env.SetOption('num_jobs', num_jobs()) 235 236 env.Decider('MD5-timestamp') 237 env.SetOption('max_drift', 60) 238 239 # C preprocessor options 240 cppdefines = [] 241 if env['build'] in ('debug', 'checked'): 242 cppdefines += ['DEBUG'] 243 else: 244 cppdefines += ['NDEBUG'] 245 if env['build'] == 'profile': 246 cppdefines += ['PROFILE'] 247 if env['platform'] in ('posix', 'linux', 'freebsd', 'darwin'): 248 cppdefines += [ 249 '_POSIX_SOURCE', 250 ('_POSIX_C_SOURCE', '199309L'), 251 '_SVID_SOURCE', 252 '_BSD_SOURCE', 253 '_GNU_SOURCE', 254 'HAVE_PTHREAD', 255 'HAVE_POSIX_MEMALIGN', 256 ] 257 if env['platform'] == 'darwin': 258 cppdefines += [ 259 '_DARWIN_C_SOURCE', 260 'GLX_USE_APPLEGL', 261 'GLX_DIRECT_RENDERING', 262 ] 263 else: 264 cppdefines += [ 265 'GLX_DIRECT_RENDERING', 266 'GLX_INDIRECT_RENDERING', 267 ] 268 if env['platform'] in ('linux', 'freebsd'): 269 cppdefines += ['HAVE_ALIAS'] 270 else: 271 cppdefines += ['GLX_ALIAS_UNSUPPORTED'] 272 if platform == 'windows': 273 cppdefines += [ 274 'WIN32', 275 '_WINDOWS', 276 #'_UNICODE', 277 #'UNICODE', 278 # http://msdn.microsoft.com/en-us/library/aa383745.aspx 279 ('_WIN32_WINNT', '0x0601'), 280 ('WINVER', '0x0601'), 281 ] 282 if gcc: 283 cppdefines += [('__MSVCRT_VERSION__', '0x0700')] 284 if msvc: 285 cppdefines += [ 286 'VC_EXTRALEAN', 287 '_USE_MATH_DEFINES', 288 '_CRT_SECURE_NO_WARNINGS', 289 '_CRT_SECURE_NO_DEPRECATE', 290 '_SCL_SECURE_NO_WARNINGS', 291 '_SCL_SECURE_NO_DEPRECATE', 292 ] 293 if env['build'] in ('debug', 'checked'): 294 cppdefines += ['_DEBUG'] 295 if platform == 'windows': 296 cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_USER'] 297 if platform == 'haiku': 298 cppdefines += ['BEOS_THREADS'] 299 if env['embedded']: 300 cppdefines += ['PIPE_SUBSYSTEM_EMBEDDED'] 301 if env['texture_float']: 302 print 'warning: Floating-point textures enabled.' 303 print 'warning: Please consult docs/patents.txt with your lawyer before building Mesa.' 304 cppdefines += ['TEXTURE_FLOAT_ENABLED'] 305 env.Append(CPPDEFINES = cppdefines) 306 307 # C compiler options 308 cflags = [] # C 309 cxxflags = [] # C++ 310 ccflags = [] # C & C++ 311 if gcc: 312 ccversion = env['CCVERSION'] 313 if env['build'] == 'debug': 314 ccflags += ['-O0'] 315 elif ccversion.startswith('4.2.'): 316 # gcc 4.2.x optimizer is broken 317 print "warning: gcc 4.2.x optimizer is broken -- disabling optimizations" 318 ccflags += ['-O0'] 319 else: 320 ccflags += ['-O3'] 321 # gcc's builtin memcmp is slower than glibc's 322 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052 323 ccflags += ['-fno-builtin-memcmp'] 324 # Work around aliasing bugs - developers should comment this out 325 ccflags += ['-fno-strict-aliasing'] 326 ccflags += ['-g'] 327 if env['build'] in ('checked', 'profile'): 328 # See http://code.google.com/p/jrfonseca/wiki/Gprof2Dot#Which_options_should_I_pass_to_gcc_when_compiling_for_profiling? 329 ccflags += [ 330 '-fno-omit-frame-pointer', 331 '-fno-optimize-sibling-calls', 332 ] 333 if env['machine'] == 'x86': 334 ccflags += [ 335 '-m32', 336 #'-march=pentium4', 337 ] 338 if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2') \ 339 and (platform != 'windows' or env['build'] == 'debug' or True) \ 340 and platform != 'haiku': 341 # NOTE: We need to ensure stack is realigned given that we 342 # produce shared objects, and have no control over the stack 343 # alignment policy of the application. Therefore we need 344 # -mstackrealign ore -mincoming-stack-boundary=2. 345 # 346 # XXX: -O and -mstackrealign causes stack corruption on MinGW 347 # 348 # XXX: We could have SSE without -mstackrealign if we always used 349 # __attribute__((force_align_arg_pointer)), but that's not 350 # always the case. 351 ccflags += [ 352 '-mstackrealign', # ensure stack is aligned 353 '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics 354 #'-mfpmath=sse', 355 ] 356 if platform in ['windows', 'darwin']: 357 # Workaround http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216 358 ccflags += ['-fno-common'] 359 if platform in ['haiku']: 360 # Make optimizations compatible with Pentium or higher on Haiku 361 ccflags += [ 362 '-mstackrealign', # ensure stack is aligned 363 '-march=i586', # Haiku target is Pentium 364 '-mtune=i686', # use i686 where we can 365 '-mmmx' # use mmx math where we can 366 ] 367 if env['machine'] == 'x86_64': 368 ccflags += ['-m64'] 369 if platform == 'darwin': 370 ccflags += ['-fno-common'] 371 if env['platform'] not in ('windows', 'haiku'): 372 ccflags += ['-fvisibility=hidden'] 373 # See also: 374 # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html 375 ccflags += [ 376 '-Wall', 377 '-Wno-long-long', 378 '-fmessage-length=0', # be nice to Eclipse 379 ] 380 cflags += [ 381 '-Wmissing-prototypes', 382 '-std=gnu99', 383 ] 384 if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2'): 385 ccflags += [ 386 '-Wpointer-arith', 387 ] 388 cflags += [ 389 '-Wdeclaration-after-statement', 390 ] 391 if icc: 392 cflags += [ 393 '-std=gnu99', 394 ] 395 if msvc: 396 # See also: 397 # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx 398 # - cl /? 399 if env['build'] == 'debug': 400 ccflags += [ 401 '/Od', # disable optimizations 402 '/Oi', # enable intrinsic functions 403 '/Oy-', # disable frame pointer omission 404 ] 405 else: 406 ccflags += [ 407 '/O2', # optimize for speed 408 ] 409 if env['build'] == 'release': 410 ccflags += [ 411 '/GL', # enable whole program optimization 412 ] 413 else: 414 ccflags += [ 415 '/GL-', # disable whole program optimization 416 ] 417 ccflags += [ 418 '/W3', # warning level 419 #'/Wp64', # enable 64 bit porting warnings 420 '/wd4996', # disable deprecated POSIX name warnings 421 ] 422 if env['machine'] == 'x86': 423 ccflags += [ 424 #'/arch:SSE2', # use the SSE2 instructions 425 ] 426 if platform == 'windows': 427 ccflags += [ 428 # TODO 429 ] 430 # Automatic pdb generation 431 # See http://scons.tigris.org/issues/show_bug.cgi?id=1656 432 env.EnsureSConsVersion(0, 98, 0) 433 env['PDB'] = '${TARGET.base}.pdb' 434 env.Append(CCFLAGS = ccflags) 435 env.Append(CFLAGS = cflags) 436 env.Append(CXXFLAGS = cxxflags) 437 438 if env['platform'] == 'windows' and msvc: 439 # Choose the appropriate MSVC CRT 440 # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx 441 if env['build'] in ('debug', 'checked'): 442 env.Append(CCFLAGS = ['/MTd']) 443 env.Append(SHCCFLAGS = ['/LDd']) 444 else: 445 env.Append(CCFLAGS = ['/MT']) 446 env.Append(SHCCFLAGS = ['/LD']) 447 448 # Assembler options 449 if gcc: 450 if env['machine'] == 'x86': 451 env.Append(ASFLAGS = ['-m32']) 452 if env['machine'] == 'x86_64': 453 env.Append(ASFLAGS = ['-m64']) 454 455 # Linker options 456 linkflags = [] 457 shlinkflags = [] 458 if gcc: 459 if env['machine'] == 'x86': 460 linkflags += ['-m32'] 461 if env['machine'] == 'x86_64': 462 linkflags += ['-m64'] 463 if env['platform'] not in ('darwin'): 464 shlinkflags += [ 465 '-Wl,-Bsymbolic', 466 ] 467 # Handle circular dependencies in the libraries 468 if env['platform'] in ('darwin'): 469 pass 470 else: 471 env['_LIBFLAGS'] = '-Wl,--start-group ' + env['_LIBFLAGS'] + ' -Wl,--end-group' 472 if env['platform'] == 'windows': 473 # Avoid depending on gcc runtime DLLs 474 linkflags += ['-static-libgcc'] 475 if 'w64' in env['CC'].split('-'): 476 linkflags += ['-static-libstdc++'] 477 # Handle the @xx symbol munging of DLL exports 478 shlinkflags += ['-Wl,--enable-stdcall-fixup'] 479 #shlinkflags += ['-Wl,--kill-at'] 480 if msvc: 481 if env['build'] == 'release': 482 # enable Link-time Code Generation 483 linkflags += ['/LTCG'] 484 env.Append(ARFLAGS = ['/LTCG']) 485 if platform == 'windows' and msvc: 486 # See also: 487 # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx 488 linkflags += [ 489 '/fixed:no', 490 '/incremental:no', 491 ] 492 env.Append(LINKFLAGS = linkflags) 493 env.Append(SHLINKFLAGS = shlinkflags) 494 495 # We have C++ in several libraries, so always link with the C++ compiler 496 if env['gcc'] or env['clang']: 497 env['LINK'] = env['CXX'] 498 499 # Default libs 500 libs = [] 501 if env['platform'] in ('darwin', 'freebsd', 'linux', 'posix', 'sunos'): 502 libs += ['m', 'pthread', 'dl'] 503 env.Append(LIBS = libs) 504 505 # OpenMP 506 if env['openmp']: 507 if env['msvc']: 508 env.Append(CCFLAGS = ['/openmp']) 509 # When building openmp release VS2008 link.exe crashes with LNK1103 error. 510 # Workaround: overwrite PDB flags with empty value as it isn't required anyways 511 if env['build'] == 'release': 512 env['PDB'] = '' 513 if env['gcc']: 514 env.Append(CCFLAGS = ['-fopenmp']) 515 env.Append(LIBS = ['gomp']) 516 517 # Load tools 518 env.Tool('lex') 519 env.Tool('yacc') 520 if env['llvm']: 521 env.Tool('llvm') 522 523 # Custom builders and methods 524 env.Tool('custom') 525 createInstallMethods(env) 526 527 env.PkgCheckModules('X11', ['x11', 'xext', 'xdamage', 'xfixes']) 528 env.PkgCheckModules('XCB', ['x11-xcb', 'xcb-glx >= 1.8.1']) 529 env.PkgCheckModules('XF86VIDMODE', ['xxf86vm']) 530 env.PkgCheckModules('DRM', ['libdrm >= 2.4.24']) 531 env.PkgCheckModules('DRM_INTEL', ['libdrm_intel >= 2.4.30']) 532 env.PkgCheckModules('DRM_RADEON', ['libdrm_radeon >= 2.4.31']) 533 env.PkgCheckModules('XORG', ['xorg-server >= 1.6.0']) 534 env.PkgCheckModules('KMS', ['libkms >= 2.4.24']) 535 env.PkgCheckModules('UDEV', ['libudev > 150']) 536 537 env['dri'] = env['x11'] and env['drm'] 538 539 # for debugging 540 #print env.Dump() 541 542 543 def exists(env): 544 return 1 545
