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
365 '-mmmx' # use mmx math where we can
367 if env
['machine'] == 'x86_64':
369 if platform
== 'darwin':
370 ccflags
+= ['-fno-common']
371 if env
['platform'] not in ('windows', 'haiku'):
372 ccflags
+= ['-fvisibility=hidden']
374 # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
378 '-fmessage-length=0', # be nice to Eclipse
381 '-Wmissing-prototypes',
384 if distutils
.version
.LooseVersion(ccversion
) >= distutils
.version
.LooseVersion('4.2'):
389 '-Wdeclaration-after-statement',
397 # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
399 if env
['build'] == 'debug':
401 '/Od', # disable optimizations
402 '/Oi', # enable intrinsic functions
403 '/Oy-', # disable frame pointer omission
407 '/O2', # optimize for speed
409 if env
['build'] == 'release':
411 '/GL', # enable whole program optimization
415 '/GL-', # disable whole program optimization
418 '/W3', # warning level
419 #'/Wp64', # enable 64 bit porting warnings
420 '/wd4996', # disable deprecated POSIX name warnings
422 if env
['machine'] == 'x86':
424 #'/arch:SSE2', # use the SSE2 instructions
426 if platform
== 'windows':
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
)
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'])
445 env
.Append(CCFLAGS
= ['/MT'])
446 env
.Append(SHCCFLAGS
= ['/LD'])
450 if env
['machine'] == 'x86':
451 env
.Append(ASFLAGS
= ['-m32'])
452 if env
['machine'] == 'x86_64':
453 env
.Append(ASFLAGS
= ['-m64'])
459 if env
['machine'] == 'x86':
460 linkflags
+= ['-m32']
461 if env
['machine'] == 'x86_64':
462 linkflags
+= ['-m64']
463 if env
['platform'] not in ('darwin'):
467 # Handle circular dependencies in the libraries
468 if env
['platform'] in ('darwin'):
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']
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
:
487 # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
492 env
.Append(LINKFLAGS
= linkflags
)
493 env
.Append(SHLINKFLAGS
= shlinkflags
)
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']
501 if env
['platform'] in ('darwin', 'freebsd', 'linux', 'posix', 'sunos'):
502 libs
+= ['m', 'pthread', 'dl']
503 env
.Append(LIBS
= libs
)
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':
514 env
.Append(CCFLAGS
= ['-fopenmp'])
515 env
.Append(LIBS
= ['gomp'])
523 # Custom builders and methods
525 createInstallMethods(env
)
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'])
537 env
['dri'] = env
['x11'] and env
['drm']