3 Frontend-tool for Gallium3D architecture.
8 # Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
19 # The above copyright notice and this permission notice (including the
20 # next paragraph) shall be included in all copies or substantial portions
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.
33 import distutils.version
38 import platform as _platform
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):
50 os.symlink(os.path.basename(source), target)
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)
56 def install_program(env, source):
57 return install(env, source, 'bin')
59 def install_shared_library(env, sources, version = ()):
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')
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)
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)
83 def createInstallMethods(env):
84 env.AddMethod(install_program, 'InstallProgram')
85 env.AddMethod(install_shared_library, 'InstallSharedLibrary')
90 return int(os.environ['NUMBER_OF_PROCESSORS'])
91 except (ValueError, KeyError):
95 return os.sysconf('SC_NPROCESSORS_ONLN')
96 except (ValueError, OSError, AttributeError):
100 return int(os.popen2("sysctl -n hw.ncpu")[1].read())
108 """Common environment generation code"""
110 # Tell tools which machine to compile for
111 env['TARGET_ARCH'] = env['machine']
112 env['MSVS_ARCH'] = env['machine']
115 platform = env['platform']
116 if env['toolchain'] == 'default':
117 if platform == 'winddk':
118 env['toolchain'] = 'winddk'
119 elif platform == 'wince':
120 env['toolchain'] = 'wcesdk'
121 env.Tool(env['toolchain'])
123 # Allow override compiler and specify additional flags from environment
124 if os.environ.has_key('CC'):
125 env['CC'] = os.environ['CC']
126 # Update CCVERSION to match
127 pipe = SCons.Action._subproc(env, [env['CC'], '--version'],
130 stdout = subprocess.PIPE)
132 line = pipe.stdout.readline()
133 match = re.search(r'[0-9]+(\.[0-9]+)+', line)
135 env['CCVERSION'] = match.group(0)
136 if os.environ.has_key('CFLAGS'):
137 env['CCFLAGS'] += SCons.Util.CLVar(os.environ['CFLAGS'])
138 if os.environ.has_key('CXX'):
139 env['CXX'] = os.environ['CXX']
140 if os.environ.has_key('CXXFLAGS'):
141 env['CXXFLAGS'] += SCons.Util.CLVar(os.environ['CXXFLAGS'])
142 if os.environ.has_key('LDFLAGS'):
143 env['LINKFLAGS'] += SCons.Util.CLVar(os.environ['LDFLAGS'])
145 env['gcc'] = 'gcc' in os.path.basename(env['CC']).split('-')
146 env['msvc'] = env['CC'] == 'cl'
148 if env['msvc'] and env['toolchain'] == 'default' and env['machine'] == 'x86_64':
149 # MSVC x64 support is broken in earlier versions of scons
150 env.EnsurePythonVersion(2, 0)
153 machine = env['machine']
154 platform = env['platform']
155 x86 = env['machine'] == 'x86'
156 ppc = env['machine'] == 'ppc'
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()))
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
181 # Backwards compatability with the debug= profile= options
182 if env['build'] == 'debug':
184 print 'scons: warning: debug option is deprecated and will be removed eventually; use instead'
186 print ' scons build=release'
188 env['build'] = 'release'
190 print 'scons: warning: profile option is deprecated and will be removed eventually; use instead'
192 print ' scons build=profile'
194 env['build'] = 'profile'
196 # Enforce SConscripts to use the new build variable
198 env.popitem('profile')
200 # Backwards portability with older sconscripts
201 if env['build'] in ('debug', 'checked'):
203 env['profile'] = False
204 if env['build'] == 'profile':
206 env['profile'] = True
207 if env['build'] == 'release':
209 env['profile'] = False
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']
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')
233 if env.GetOption('num_jobs') <= 1:
234 env.SetOption('num_jobs', num_jobs())
236 env.Decider('MD5-timestamp')
237 env.SetOption('max_drift', 60)
239 # C preprocessor options
241 if env['build'] in ('debug', 'checked'):
242 cppdefines += ['DEBUG']
244 cppdefines += ['NDEBUG']
245 if env['build'] == 'profile':
246 cppdefines += ['PROFILE']
247 if env['platform'] in ('posix', 'linux', 'freebsd', 'darwin'):
250 ('_POSIX_C_SOURCE', '199309L'),
255 'HAVE_POSIX_MEMALIGN',
257 if env['platform'] == 'darwin':
261 'GLX_DIRECT_RENDERING',
265 'GLX_DIRECT_RENDERING',
266 'GLX_INDIRECT_RENDERING',
268 if env['platform'] in ('linux', 'freebsd'):
269 cppdefines += ['HAVE_ALIAS']
271 cppdefines += ['GLX_ALIAS_UNSUPPORTED']
272 if platform == 'windows':
278 # http://msdn.microsoft.com/en-us/library/aa383745.aspx
279 ('_WIN32_WINNT', '0x0601'),
280 ('WINVER', '0x0601'),
283 cppdefines += [('__MSVCRT_VERSION__', '0x0700')]
284 if msvc and env['toolchain'] != 'winddk':
288 '_CRT_SECURE_NO_WARNINGS',
289 '_CRT_SECURE_NO_DEPRECATE',
290 '_SCL_SECURE_NO_WARNINGS',
291 '_SCL_SECURE_NO_DEPRECATE',
293 if env['build'] in ('debug', 'checked'):
294 cppdefines += ['_DEBUG']
295 if env['toolchain'] == 'winddk':
296 # Mimic WINDDK's builtin flags. See also:
297 # - WINDDK's bin/makefile.new i386mk.inc for more info.
298 # - buildchk_wxp_x86.log files, generated by the WINDDK's build
299 # - http://alter.org.ua/docs/nt_kernel/vc8_proj/
301 cppdefines += ['_X86_', 'i386']
302 if machine == 'x86_64':
303 cppdefines += ['_AMD64_', 'AMD64']
304 if platform == 'winddk':
307 ('CONDITION_HANDLING', '1'),
312 ('_WIN32_WINNT', '0x0501'), # minimum required OS version
313 ('WINVER', '0x0501'),
314 ('_WIN32_IE', '0x0603'),
315 ('WIN32_LEAN_AND_MEAN', '1'),
317 ('__BUILDMACHINE__', 'WinDDK'),
320 if env['build'] in ('debug', 'checked'):
321 cppdefines += [('DBG', 1)]
322 if platform == 'wince':
324 '_CRT_SECURE_NO_DEPRECATE',
329 ('_WIN32_WCE', '0x600'),
337 ('INTLMSG_CODEPAGE', '1252'),
339 if platform == 'windows':
340 cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_USER']
341 if platform == 'winddk':
342 cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_DISPLAY']
343 if platform == 'wince':
344 cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_CE']
345 cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_CE_OGL']
347 cppdefines += ['PIPE_SUBSYSTEM_EMBEDDED']
348 env.Append(CPPDEFINES = cppdefines)
353 ccflags = [] # C & C++
355 ccversion = env['CCVERSION']
356 if env['build'] == 'debug':
358 elif ccversion.startswith('4.2.'):
359 # gcc 4.2.x optimizer is broken
360 print "warning: gcc 4.2.x optimizer is broken -- disabling optimizations"
364 # gcc's builtin memcmp is slower than glibc's
365 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
366 ccflags += ['-fno-builtin-memcmp']
367 # Work around aliasing bugs - developers should comment this out
368 ccflags += ['-fno-strict-aliasing']
370 if env['build'] in ('checked', 'profile'):
371 # See http://code.google.com/p/jrfonseca/wiki/Gprof2Dot#Which_options_should_I_pass_to_gcc_when_compiling_for_profiling?
373 '-fno-omit-frame-pointer',
374 '-fno-optimize-sibling-calls',
376 if env['machine'] == 'x86':
381 if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2') \
382 and (platform != 'windows' or env['build'] == 'debug' or True):
383 # NOTE: We need to ensure stack is realigned given that we
384 # produce shared objects, and have no control over the stack
385 # alignment policy of the application. Therefore we need
386 # -mstackrealign ore -mincoming-stack-boundary=2.
388 # XXX: -O and -mstackrealign causes stack corruption on MinGW
390 # XXX: We could have SSE without -mstackrealign if we always used
391 # __attribute__((force_align_arg_pointer)), but that's not
394 '-mstackrealign', # ensure stack is aligned
395 '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
398 if platform in ['windows', 'darwin']:
399 # Workaround http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216
400 ccflags += ['-fno-common']
401 if env['machine'] == 'x86_64':
403 if platform == 'darwin':
404 ccflags += ['-fno-common']
405 if env['platform'] != 'windows':
406 ccflags += ['-fvisibility=hidden']
408 # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
413 '-fmessage-length=0', # be nice to Eclipse
416 '-Wmissing-prototypes',
419 if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.0'):
421 '-Wmissing-field-initializers',
423 if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2'):
428 '-Wdeclaration-after-statement',
432 # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
434 if env['build'] == 'debug':
436 '/Od', # disable optimizations
437 '/Oi', # enable intrinsic functions
438 '/Oy-', # disable frame pointer omission
442 '/O2', # optimize for speed
444 if env['build'] == 'release':
446 '/GL', # enable whole program optimization
450 '/GL-', # disable whole program optimization
453 '/fp:fast', # fast floating point
454 '/W3', # warning level
455 #'/Wp64', # enable 64 bit porting warnings
456 '/wd4996', # disable deprecated POSIX name warnings
458 if env['machine'] == 'x86':
460 #'/arch:SSE2', # use the SSE2 instructions
462 if platform == 'windows':
466 if platform == 'winddk':
468 '/Zl', # omit default library name in .OBJ
469 '/Zp8', # 8bytes struct member alignment
470 '/Gy', # separate functions for linker
471 '/Gm-', # disable minimal rebuild
472 '/WX', # treat warnings as errors
473 '/Gz', # __stdcall Calling convention
474 '/GX-', # disable C++ EH
475 '/GR-', # disable C++ RTTI
476 '/GF', # enable read-only string pooling
477 '/G6', # optimize for PPro, P-II, P-III
478 '/Ze', # enable extensions
479 '/Gi-', # disable incremental compilation
480 '/QIfdiv-', # disable Pentium FDIV fix
481 '/hotpatch', # prepares an image for hotpatching.
482 #'/Z7', #enable old-style debug info
484 if platform == 'wince':
485 # See also C:\WINCE600\public\common\oak\misc\makefile.def
487 '/Zl', # omit default library name in .OBJ
488 '/GF', # enable read-only string pooling
489 '/GR-', # disable C++ RTTI
490 '/GS', # enable security checks
491 # Allow disabling language conformance to maintain backward compat
492 #'/Zc:wchar_t-', # don't force wchar_t as native type, instead of typedef
493 #'/Zc:forScope-', # don't enforce Standard C++ for scoping rules
499 # Automatic pdb generation
500 # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
501 env.EnsureSConsVersion(0, 98, 0)
502 env['PDB'] = '${TARGET.base}.pdb'
503 env.Append(CCFLAGS = ccflags)
504 env.Append(CFLAGS = cflags)
505 env.Append(CXXFLAGS = cxxflags)
507 if env['platform'] == 'windows' and msvc:
508 # Choose the appropriate MSVC CRT
509 # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx
510 if env['build'] in ('debug', 'checked'):
511 env.Append(CCFLAGS = ['/MTd'])
512 env.Append(SHCCFLAGS = ['/LDd'])
514 env.Append(CCFLAGS = ['/MT'])
515 env.Append(SHCCFLAGS = ['/LD'])
519 if env['machine'] == 'x86':
520 env.Append(ASFLAGS = ['-m32'])
521 if env['machine'] == 'x86_64':
522 env.Append(ASFLAGS = ['-m64'])
528 if env['machine'] == 'x86':
529 linkflags += ['-m32']
530 if env['machine'] == 'x86_64':
531 linkflags += ['-m64']
532 if env['platform'] not in ('darwin'):
536 # Handle circular dependencies in the libraries
537 if env['platform'] in ('darwin'):
540 env['_LIBFLAGS'] = '-Wl,--start-group ' + env['_LIBFLAGS'] + ' -Wl,--end-group'
541 if env['platform'] == 'windows':
542 # Avoid depending on gcc runtime DLLs
543 linkflags += ['-static-libgcc']
544 if 'w64' in env['CC'].split('-'):
545 linkflags += ['-static-libstdc++']
546 # Handle the @xx symbol munging of DLL exports
547 shlinkflags += ['-Wl,--enable-stdcall-fixup']
548 #shlinkflags += ['-Wl,--kill-at']
550 if env['build'] == 'release':
551 # enable Link-time Code Generation
552 linkflags += ['/LTCG']
553 env.Append(ARFLAGS = ['/LTCG'])
554 if platform == 'windows' and msvc:
556 # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
561 if platform == 'winddk':
564 '/merge:_TEXT=.text',
568 '/ignore:4198,4010,4037,4039,4065,4070,4078,4087,4089,4221',
581 '/stack:0x40000,0x1000',
584 '/subsystem:native,5.01',
587 '/entry:DrvEnableDriver',
589 if env['build'] != 'release':
591 '/MAP', # http://msdn.microsoft.com/en-us/library/k7xkk3e2.aspx
593 if platform == 'wince':
598 '/entry:_DllMainCRTStartup',
600 env.Append(LINKFLAGS = linkflags)
601 env.Append(SHLINKFLAGS = shlinkflags)
603 # We have C++ in several libraries, so always link with the C++ compiler
605 env['LINK'] = env['CXX']
609 if env['platform'] in ('posix', 'linux', 'freebsd', 'darwin'):
610 libs += ['m', 'pthread', 'dl']
611 env.Append(LIBS = libs)
616 env.Append(CCFLAGS = ['/openmp'])
617 # When building openmp release VS2008 link.exe crashes with LNK1103 error.
618 # Workaround: overwrite PDB flags with empty value as it isn't required anyways
619 if env['build'] == 'release':
622 env.Append(CCFLAGS = ['-fopenmp'])
623 env.Append(LIBS = ['gomp'])
631 # Custom builders and methods
633 createInstallMethods(env)
635 env.PkgCheckModules('X11', ['x11', 'xext', 'xdamage', 'xfixes'])
636 env.PkgCheckModules('XF86VIDMODE', ['xxf86vm'])
637 env.PkgCheckModules('DRM', ['libdrm'])
638 env.PkgCheckModules('DRM_INTEL', ['libdrm_intel'])
639 env.PkgCheckModules('DRM_RADEON', ['libdrm_radeon'])
640 env.PkgCheckModules('XORG', ['xorg-server'])
641 env.PkgCheckModules('KMS', ['libkms'])
642 env.PkgCheckModules('UDEV', ['libudev'])
644 env['dri'] = env['x11'] and env['drm']