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
44 def symlink(target, source, env):
45 target = str(target[0])
46 source = str(source[0])
47 if os.path.islink(target) or os.path.exists(target):
49 os.symlink(os.path.basename(source), target)
51 def install(env, source, subdir):
52 target_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build'], subdir)
53 env.Install(target_dir, source)
55 def install_program(env, source):
56 install(env, source, 'bin')
58 def install_shared_library(env, sources, version = ()):
59 install_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build'])
60 version = tuple(map(str, version))
61 if env['SHLIBSUFFIX'] == '.dll':
62 dlls = env.FindIxes(sources, 'SHLIBPREFIX', 'SHLIBSUFFIX')
63 install(env, dlls, 'bin')
64 libs = env.FindIxes(sources, 'LIBPREFIX', 'LIBSUFFIX')
65 install(env, libs, 'lib')
67 for source in sources:
68 target_dir = os.path.join(install_dir, 'lib')
69 target_name = '.'.join((str(source),) + version)
70 last = env.InstallAs(os.path.join(target_dir, target_name), source)
72 version = version[:-1]
73 target_name = '.'.join((str(source),) + version)
74 action = SCons.Action.Action(symlink, "$TARGET -> $SOURCE")
75 last = env.Command(os.path.join(target_dir, target_name), last, action)
77 def createInstallMethods(env):
78 env.AddMethod(install_program, 'InstallProgram')
79 env.AddMethod(install_shared_library, 'InstallSharedLibrary')
84 return int(os.environ['NUMBER_OF_PROCESSORS'])
85 except (ValueError, KeyError):
89 return os.sysconf('SC_NPROCESSORS_ONLN')
90 except (ValueError, OSError, AttributeError):
94 return int(os.popen2("sysctl -n hw.ncpu")[1].read())
102 """Common environment generation code"""
105 platform = env['platform']
106 if env['toolchain'] == 'default':
107 if platform == 'winddk':
108 env['toolchain'] = 'winddk'
109 elif platform == 'wince':
110 env['toolchain'] = 'wcesdk'
111 env.Tool(env['toolchain'])
113 if env['platform'] == 'embedded':
114 # Allow overriding compiler from environment
115 if os.environ.has_key('CC'):
116 env['CC'] = os.environ['CC']
117 # Update CCVERSION to match
118 pipe = SCons.Action._subproc(env, [env['CC'], '--version'],
121 stdout = subprocess.PIPE)
123 line = pipe.stdout.readline()
124 match = re.search(r'[0-9]+(\.[0-9]+)+', line)
126 env['CCVERSION'] = match.group(0)
129 env['gcc'] = 'gcc' in os.path.basename(env['CC']).split('-')
130 env['msvc'] = env['CC'] == 'cl'
134 machine = env['machine']
135 platform = env['platform']
136 x86 = env['machine'] == 'x86'
137 ppc = env['machine'] == 'ppc'
141 # Put build output in a separate dir, which depends on the current
142 # configuration. See also http://www.scons.org/wiki/AdvancedBuildExample
143 build_topdir = 'build'
144 build_subdir = env['platform']
145 if env['machine'] != 'generic':
146 build_subdir += '-' + env['machine']
148 build_subdir += "-debug"
150 build_subdir += "-profile"
151 build_dir = os.path.join(build_topdir, build_subdir)
152 # Place the .sconsign file in the build dir too, to avoid issues with
153 # different scons versions building the same source file
154 env['build'] = build_dir
155 env.SConsignFile(os.path.join(build_dir, '.sconsign'))
156 if 'SCONS_CACHE_DIR' in os.environ:
157 print 'scons: Using build cache in %s.' % (os.environ['SCONS_CACHE_DIR'],)
158 env.CacheDir(os.environ['SCONS_CACHE_DIR'])
159 env['CONFIGUREDIR'] = os.path.join(build_dir, 'conf')
160 env['CONFIGURELOG'] = os.path.join(os.path.abspath(build_dir), 'config.log')
163 if env.GetOption('num_jobs') <= 1:
164 env.SetOption('num_jobs', num_jobs())
166 # C preprocessor options
169 cppdefines += ['DEBUG']
171 cppdefines += ['NDEBUG']
173 cppdefines += ['PROFILE']
174 if platform == 'windows':
180 # http://msdn.microsoft.com/en-us/library/aa383745.aspx
181 ('_WIN32_WINNT', '0x0601'),
182 ('WINVER', '0x0601'),
184 if msvc and env['toolchain'] != 'winddk':
188 '_CRT_SECURE_NO_WARNINGS',
189 '_CRT_SECURE_NO_DEPRECATE',
190 '_SCL_SECURE_NO_WARNINGS',
191 '_SCL_SECURE_NO_DEPRECATE',
194 cppdefines += ['_DEBUG']
195 if env['toolchain'] == 'winddk':
196 # Mimic WINDDK's builtin flags. See also:
197 # - WINDDK's bin/makefile.new i386mk.inc for more info.
198 # - buildchk_wxp_x86.log files, generated by the WINDDK's build
199 # - http://alter.org.ua/docs/nt_kernel/vc8_proj/
201 cppdefines += ['_X86_', 'i386']
202 if machine == 'x86_64':
203 cppdefines += ['_AMD64_', 'AMD64']
204 if platform == 'winddk':
207 ('CONDITION_HANDLING', '1'),
212 ('_WIN32_WINNT', '0x0501'), # minimum required OS version
213 ('WINVER', '0x0501'),
214 ('_WIN32_IE', '0x0603'),
215 ('WIN32_LEAN_AND_MEAN', '1'),
217 ('__BUILDMACHINE__', 'WinDDK'),
221 cppdefines += [('DBG', 1)]
222 if platform == 'wince':
224 '_CRT_SECURE_NO_DEPRECATE',
229 ('_WIN32_WCE', '0x600'),
237 ('INTLMSG_CODEPAGE', '1252'),
239 if platform == 'windows':
240 cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_USER']
241 if platform == 'winddk':
242 cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_DISPLAY']
243 if platform == 'wince':
244 cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_CE']
245 cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_CE_OGL']
246 if platform == 'embedded':
247 cppdefines += ['PIPE_OS_EMBEDDED']
248 env.Append(CPPDEFINES = cppdefines)
253 ccflags = [] # C & C++
255 ccversion = env['CCVERSION']
257 ccflags += ['-O0', '-g3']
258 elif ccversion.startswith('4.2.'):
259 # gcc 4.2.x optimizer is broken
260 print "warning: gcc 4.2.x optimizer is broken -- disabling optimizations"
261 ccflags += ['-O0', '-g3']
263 ccflags += ['-O3', '-g3']
265 # See http://code.google.com/p/jrfonseca/wiki/Gprof2Dot#Which_options_should_I_pass_to_gcc_when_compiling_for_profiling?
267 '-fno-omit-frame-pointer',
268 '-fno-optimize-sibling-calls',
270 if env['machine'] == 'x86':
276 if platform != 'windows':
277 # XXX: -mstackrealign causes stack corruption on MinGW. Ditto
278 # for -mincoming-stack-boundary=2. Still enable it on other
279 # platforms for now, but we can't rely on it for cross platform
280 # code. We have to use __attribute__((force_align_arg_pointer))
283 '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
285 if platform in ['windows', 'darwin']:
286 # Workaround http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216
287 ccflags += ['-fno-common']
288 if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2'):
290 '-mstackrealign', # ensure stack is aligned
292 if env['machine'] == 'x86_64':
295 # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
300 '-fmessage-length=0', # be nice to Eclipse
303 '-Wmissing-prototypes',
306 if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.0'):
308 '-Wmissing-field-initializers',
310 if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2'):
312 '-Werror=pointer-arith',
315 '-Werror=declaration-after-statement',
319 # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
323 '/Od', # disable optimizations
324 '/Oi', # enable intrinsic functions
325 '/Oy-', # disable frame pointer omission
326 '/GL-', # disable whole program optimization
330 '/O2', # optimize for speed
331 '/GL', # enable whole program optimization
334 '/fp:fast', # fast floating point
335 '/W3', # warning level
336 #'/Wp64', # enable 64 bit porting warnings
338 if env['machine'] == 'x86':
340 #'/arch:SSE2', # use the SSE2 instructions
342 if platform == 'windows':
346 if platform == 'winddk':
348 '/Zl', # omit default library name in .OBJ
349 '/Zp8', # 8bytes struct member alignment
350 '/Gy', # separate functions for linker
351 '/Gm-', # disable minimal rebuild
352 '/WX', # treat warnings as errors
353 '/Gz', # __stdcall Calling convention
354 '/GX-', # disable C++ EH
355 '/GR-', # disable C++ RTTI
356 '/GF', # enable read-only string pooling
357 '/G6', # optimize for PPro, P-II, P-III
358 '/Ze', # enable extensions
359 '/Gi-', # disable incremental compilation
360 '/QIfdiv-', # disable Pentium FDIV fix
361 '/hotpatch', # prepares an image for hotpatching.
362 #'/Z7', #enable old-style debug info
364 if platform == 'wince':
365 # See also C:\WINCE600\public\common\oak\misc\makefile.def
367 '/Zl', # omit default library name in .OBJ
368 '/GF', # enable read-only string pooling
369 '/GR-', # disable C++ RTTI
370 '/GS', # enable security checks
371 # Allow disabling language conformance to maintain backward compat
372 #'/Zc:wchar_t-', # don't force wchar_t as native type, instead of typedef
373 #'/Zc:forScope-', # don't enforce Standard C++ for scoping rules
379 # Automatic pdb generation
380 # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
381 env.EnsureSConsVersion(0, 98, 0)
382 env['PDB'] = '${TARGET.base}.pdb'
383 env.Append(CCFLAGS = ccflags)
384 env.Append(CFLAGS = cflags)
385 env.Append(CXXFLAGS = cxxflags)
387 if env['platform'] == 'windows' and msvc:
388 # Choose the appropriate MSVC CRT
389 # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx
391 env.Append(CCFLAGS = ['/MTd'])
392 env.Append(SHCCFLAGS = ['/LDd'])
394 env.Append(CCFLAGS = ['/MT'])
395 env.Append(SHCCFLAGS = ['/LD'])
399 if env['machine'] == 'x86':
400 env.Append(ASFLAGS = ['-m32'])
401 if env['machine'] == 'x86_64':
402 env.Append(ASFLAGS = ['-m64'])
408 if env['machine'] == 'x86':
409 linkflags += ['-m32']
410 if env['machine'] == 'x86_64':
411 linkflags += ['-m64']
412 if env['platform'] not in ('darwin'):
416 # Handle circular dependencies in the libraries
417 if env['platform'] in ('darwin'):
420 env['_LIBFLAGS'] = '-Wl,--start-group ' + env['_LIBFLAGS'] + ' -Wl,--end-group'
423 # enable Link-time Code Generation
424 linkflags += ['/LTCG']
425 env.Append(ARFLAGS = ['/LTCG'])
426 if platform == 'windows' and msvc:
428 # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
433 if platform == 'winddk':
436 '/merge:_TEXT=.text',
440 '/ignore:4198,4010,4037,4039,4065,4070,4078,4087,4089,4221',
453 '/stack:0x40000,0x1000',
456 '/subsystem:native,5.01',
459 '/entry:DrvEnableDriver',
461 if env['debug'] or env['profile']:
463 '/MAP', # http://msdn.microsoft.com/en-us/library/k7xkk3e2.aspx
465 if platform == 'wince':
470 '/entry:_DllMainCRTStartup',
472 env.Append(LINKFLAGS = linkflags)
473 env.Append(SHLINKFLAGS = shlinkflags)
476 env.Append(LIBS = [])
482 # Custom builders and methods
484 createInstallMethods(env)