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 env.Tool(env['toolchain'])
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'],
125 stdout = subprocess.PIPE)
127 line = pipe.stdout.readline()
128 match = re.search(r'[0-9]+(\.[0-9]+)+', line)
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'])
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'])
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)
151 machine = env['machine']
152 platform = env['platform']
153 x86 = env['machine'] == 'x86'
154 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')]
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 platform == 'windows':
296 cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_USER']
297 if platform == 'haiku':
298 cppdefines += ['BEOS_THREADS']
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)
310 ccflags = [] # C & C++
312 ccversion = env['CCVERSION']
313 if env['build'] == 'debug':
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"
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']
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?
330 '-fno-omit-frame-pointer',
331 '-fno-optimize-sibling-calls',
333 if env['machine'] == 'x86':
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.
346 # XXX: -O and -mstackrealign causes stack corruption on MinGW
348 # XXX: We could have SSE without -mstackrealign if we always used
349 # __attribute__((force_align_arg_pointer)), but that's not
352 '-mstackrealign', # ensure stack is aligned
353 '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
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
362 '-mstackrealign', # ensure stack is aligned
363 '-march=i586', # Haiku target is Pentium
364 '-mtune=i686' # use i686 where we can
366 if env['machine'] == 'x86_64':
368 if platform == 'darwin':
369 ccflags += ['-fno-common']
370 if env['platform'] not in ('cygwin', 'haiku', 'windows'):
371 ccflags += ['-fvisibility=hidden']
373 # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
377 '-fmessage-length=0', # be nice to Eclipse
380 '-Wmissing-prototypes',
383 if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2'):
388 '-Wdeclaration-after-statement',
396 # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
398 if env['build'] == 'debug':
400 '/Od', # disable optimizations
401 '/Oi', # enable intrinsic functions
402 '/Oy-', # disable frame pointer omission
406 '/O2', # optimize for speed
408 if env['build'] == 'release':
410 '/GL', # enable whole program optimization
414 '/GL-', # disable whole program optimization
417 '/W3', # warning level
418 #'/Wp64', # enable 64 bit porting warnings
419 '/wd4996', # disable deprecated POSIX name warnings
421 if env['machine'] == 'x86':
423 #'/arch:SSE2', # use the SSE2 instructions
425 if platform == 'windows':
429 # Automatic pdb generation
430 # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
431 env.EnsureSConsVersion(0, 98, 0)
432 env['PDB'] = '${TARGET.base}.pdb'
433 env.Append(CCFLAGS = ccflags)
434 env.Append(CFLAGS = cflags)
435 env.Append(CXXFLAGS = cxxflags)
437 if env['platform'] == 'windows' and msvc:
438 # Choose the appropriate MSVC CRT
439 # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx
440 if env['build'] in ('debug', 'checked'):
441 env.Append(CCFLAGS = ['/MTd'])
442 env.Append(SHCCFLAGS = ['/LDd'])
444 env.Append(CCFLAGS = ['/MT'])
445 env.Append(SHCCFLAGS = ['/LD'])
449 if env['machine'] == 'x86':
450 env.Append(ASFLAGS = ['-m32'])
451 if env['machine'] == 'x86_64':
452 env.Append(ASFLAGS = ['-m64'])
458 if env['machine'] == 'x86':
459 linkflags += ['-m32']
460 if env['machine'] == 'x86_64':
461 linkflags += ['-m64']
462 if env['platform'] not in ('darwin'):
466 # Handle circular dependencies in the libraries
467 if env['platform'] in ('darwin'):
470 env['_LIBFLAGS'] = '-Wl,--start-group ' + env['_LIBFLAGS'] + ' -Wl,--end-group'
471 if env['platform'] == 'windows':
472 # Avoid depending on gcc runtime DLLs
473 linkflags += ['-static-libgcc']
474 if 'w64' in env['CC'].split('-'):
475 linkflags += ['-static-libstdc++']
476 # Handle the @xx symbol munging of DLL exports
477 shlinkflags += ['-Wl,--enable-stdcall-fixup']
478 #shlinkflags += ['-Wl,--kill-at']
480 if env['build'] == 'release':
481 # enable Link-time Code Generation
482 linkflags += ['/LTCG']
483 env.Append(ARFLAGS = ['/LTCG'])
484 if platform == 'windows' and msvc:
486 # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
491 env.Append(LINKFLAGS = linkflags)
492 env.Append(SHLINKFLAGS = shlinkflags)
494 # We have C++ in several libraries, so always link with the C++ compiler
495 if env['gcc'] or env['clang']:
496 env['LINK'] = env['CXX']
500 if env['platform'] in ('darwin', 'freebsd', 'linux', 'posix', 'sunos'):
501 libs += ['m', 'pthread', 'dl']
502 if env['platform'] in ('linux',):
504 env.Append(LIBS = libs)
509 env.Append(CCFLAGS = ['/openmp'])
510 # When building openmp release VS2008 link.exe crashes with LNK1103 error.
511 # Workaround: overwrite PDB flags with empty value as it isn't required anyways
512 if env['build'] == 'release':
515 env.Append(CCFLAGS = ['-fopenmp'])
516 env.Append(LIBS = ['gomp'])
524 # Custom builders and methods
526 createInstallMethods(env)
528 env.PkgCheckModules('X11', ['x11', 'xext', 'xdamage', 'xfixes'])
529 env.PkgCheckModules('XCB', ['x11-xcb', 'xcb-glx >= 1.8.1'])
530 env.PkgCheckModules('XF86VIDMODE', ['xxf86vm'])
531 env.PkgCheckModules('DRM', ['libdrm >= 2.4.24'])
532 env.PkgCheckModules('DRM_INTEL', ['libdrm_intel >= 2.4.30'])
533 env.PkgCheckModules('DRM_RADEON', ['libdrm_radeon >= 2.4.40'])
534 env.PkgCheckModules('XORG', ['xorg-server >= 1.6.0'])
535 env.PkgCheckModules('KMS', ['libkms >= 2.4.24'])
536 env.PkgCheckModules('UDEV', ['libudev > 150'])
538 env['dri'] = env['x11'] and env['drm']