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
, "$TARGET -> $SOURCE")
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())
107 def pkg_config_modules(env
, name
, modules
):
108 '''Simple wrapper for pkg-config.'''
112 if env
['platform'] == 'windows':
115 if not env
.Detect('pkg-config'):
118 if subprocess
.call(["pkg-config", "--exists", ' '.join(modules
)]) != 0:
121 # Put -I and -L flags directly into the environment, as these don't affect
122 # the compilation of targets that do not use them
124 env
.ParseConfig('pkg-config --cflags-only-I --libs-only-L ' + ' '.join(modules
))
128 # Other flags may affect the compilation of unrelated targets, so store
129 # them with a prefix, (e.g., XXX_CFLAGS, XXX_LIBS, etc)
131 flags
= env
.ParseFlags('!pkg-config --cflags-only-other --libs-only-l --libs-only-other ' + ' '.join(modules
))
134 prefix
= name
.upper() + '_'
135 for flag_name
, flag_value
in flags
.iteritems():
136 env
[prefix
+ flag_name
] = flag_value
143 """Common environment generation code"""
145 # Tell tools which machine to compile for
146 env
['TARGET_ARCH'] = env
['machine']
147 env
['MSVS_ARCH'] = env
['machine']
150 platform
= env
['platform']
151 if env
['toolchain'] == 'default':
152 if platform
== 'winddk':
153 env
['toolchain'] = 'winddk'
154 elif platform
== 'wince':
155 env
['toolchain'] = 'wcesdk'
156 env
.Tool(env
['toolchain'])
158 # Allow override compiler and specify additional flags from environment
159 if os
.environ
.has_key('CC'):
160 env
['CC'] = os
.environ
['CC']
161 # Update CCVERSION to match
162 pipe
= SCons
.Action
._subproc
(env
, [env
['CC'], '--version'],
165 stdout
= subprocess
.PIPE
)
167 line
= pipe
.stdout
.readline()
168 match
= re
.search(r
'[0-9]+(\.[0-9]+)+', line
)
170 env
['CCVERSION'] = match
.group(0)
171 if os
.environ
.has_key('CFLAGS'):
172 env
['CCFLAGS'] += SCons
.Util
.CLVar(os
.environ
['CFLAGS'])
173 if os
.environ
.has_key('CXX'):
174 env
['CXX'] = os
.environ
['CXX']
175 if os
.environ
.has_key('CXXFLAGS'):
176 env
['CXXFLAGS'] += SCons
.Util
.CLVar(os
.environ
['CXXFLAGS'])
177 if os
.environ
.has_key('LDFLAGS'):
178 env
['LINKFLAGS'] += SCons
.Util
.CLVar(os
.environ
['LDFLAGS'])
180 env
['gcc'] = 'gcc' in os
.path
.basename(env
['CC']).split('-')
181 env
['msvc'] = env
['CC'] == 'cl'
183 if env
['msvc'] and env
['toolchain'] == 'default' and env
['machine'] == 'x86_64':
184 # MSVC x64 support is broken in earlier versions of scons
185 env
.EnsurePythonVersion(2, 0)
188 machine
= env
['machine']
189 platform
= env
['platform']
190 x86
= env
['machine'] == 'x86'
191 ppc
= env
['machine'] == 'ppc'
195 # Determine whether we are cross compiling; in particular, whether we need
196 # to compile code generators with a different compiler as the target code.
197 host_platform
= _platform
.system().lower()
198 host_machine
= os
.environ
.get('PROCESSOR_ARCHITEW6432', os
.environ
.get('PROCESSOR_ARCHITECTURE', _platform
.machine()))
208 }.get(host_machine
, 'generic')
209 env
['crosscompile'] = platform
!= host_platform
210 if machine
== 'x86_64' and host_machine
!= 'x86_64':
211 env
['crosscompile'] = True
212 env
['hostonly'] = False
214 # Backwards compatability with the debug= profile= options
215 if env
['build'] == 'debug':
217 print 'scons: warning: debug option is deprecated and will be removed eventually; use instead'
219 print ' scons build=release'
221 env
['build'] = 'release'
223 print 'scons: warning: profile option is deprecated and will be removed eventually; use instead'
225 print ' scons build=profile'
227 env
['build'] = 'profile'
229 # Enforce SConscripts to use the new build variable
231 env
.popitem('profile')
233 # Backwards portability with older sconscripts
234 if env
['build'] in ('debug', 'checked'):
236 env
['profile'] = False
237 if env
['build'] == 'profile':
239 env
['profile'] = True
240 if env
['build'] == 'release':
242 env
['profile'] = False
244 # Put build output in a separate dir, which depends on the current
245 # configuration. See also http://www.scons.org/wiki/AdvancedBuildExample
246 build_topdir
= 'build'
247 build_subdir
= env
['platform']
248 if env
['machine'] != 'generic':
249 build_subdir
+= '-' + env
['machine']
250 if env
['build'] != 'release':
251 build_subdir
+= '-' + env
['build']
252 build_dir
= os
.path
.join(build_topdir
, build_subdir
)
253 # Place the .sconsign file in the build dir too, to avoid issues with
254 # different scons versions building the same source file
255 env
['build_dir'] = build_dir
256 env
.SConsignFile(os
.path
.join(build_dir
, '.sconsign'))
257 if 'SCONS_CACHE_DIR' in os
.environ
:
258 print 'scons: Using build cache in %s.' % (os
.environ
['SCONS_CACHE_DIR'],)
259 env
.CacheDir(os
.environ
['SCONS_CACHE_DIR'])
260 env
['CONFIGUREDIR'] = os
.path
.join(build_dir
, 'conf')
261 env
['CONFIGURELOG'] = os
.path
.join(os
.path
.abspath(build_dir
), 'config.log')
264 if env
.GetOption('num_jobs') <= 1:
265 env
.SetOption('num_jobs', num_jobs())
267 env
.Decider('MD5-timestamp')
268 env
.SetOption('max_drift', 60)
270 # C preprocessor options
272 if env
['build'] in ('debug', 'checked'):
273 cppdefines
+= ['DEBUG']
275 cppdefines
+= ['NDEBUG']
276 if env
['build'] == 'profile':
277 cppdefines
+= ['PROFILE']
278 if platform
== 'windows':
284 # http://msdn.microsoft.com/en-us/library/aa383745.aspx
285 ('_WIN32_WINNT', '0x0601'),
286 ('WINVER', '0x0601'),
288 if msvc
and env
['toolchain'] != 'winddk':
292 '_CRT_SECURE_NO_WARNINGS',
293 '_CRT_SECURE_NO_DEPRECATE',
294 '_SCL_SECURE_NO_WARNINGS',
295 '_SCL_SECURE_NO_DEPRECATE',
297 if env
['build'] in ('debug', 'checked'):
298 cppdefines
+= ['_DEBUG']
299 if env
['toolchain'] == 'winddk':
300 # Mimic WINDDK's builtin flags. See also:
301 # - WINDDK's bin/makefile.new i386mk.inc for more info.
302 # - buildchk_wxp_x86.log files, generated by the WINDDK's build
303 # - http://alter.org.ua/docs/nt_kernel/vc8_proj/
305 cppdefines
+= ['_X86_', 'i386']
306 if machine
== 'x86_64':
307 cppdefines
+= ['_AMD64_', 'AMD64']
308 if platform
== 'winddk':
311 ('CONDITION_HANDLING', '1'),
316 ('_WIN32_WINNT', '0x0501'), # minimum required OS version
317 ('WINVER', '0x0501'),
318 ('_WIN32_IE', '0x0603'),
319 ('WIN32_LEAN_AND_MEAN', '1'),
321 ('__BUILDMACHINE__', 'WinDDK'),
324 if env
['build'] in ('debug', 'checked'):
325 cppdefines
+= [('DBG', 1)]
326 if platform
== 'wince':
328 '_CRT_SECURE_NO_DEPRECATE',
333 ('_WIN32_WCE', '0x600'),
341 ('INTLMSG_CODEPAGE', '1252'),
343 if platform
== 'windows':
344 cppdefines
+= ['PIPE_SUBSYSTEM_WINDOWS_USER']
345 if platform
== 'winddk':
346 cppdefines
+= ['PIPE_SUBSYSTEM_WINDOWS_DISPLAY']
347 if platform
== 'wince':
348 cppdefines
+= ['PIPE_SUBSYSTEM_WINDOWS_CE']
349 cppdefines
+= ['PIPE_SUBSYSTEM_WINDOWS_CE_OGL']
350 if platform
== 'embedded':
351 cppdefines
+= ['PIPE_OS_EMBEDDED']
352 env
.Append(CPPDEFINES
= cppdefines
)
357 ccflags
= [] # C & C++
359 ccversion
= env
['CCVERSION']
360 if env
['build'] == 'debug':
362 elif ccversion
.startswith('4.2.'):
363 # gcc 4.2.x optimizer is broken
364 print "warning: gcc 4.2.x optimizer is broken -- disabling optimizations"
369 if env
['build'] in ('checked', 'profile'):
370 # See http://code.google.com/p/jrfonseca/wiki/Gprof2Dot#Which_options_should_I_pass_to_gcc_when_compiling_for_profiling?
372 '-fno-omit-frame-pointer',
373 '-fno-optimize-sibling-calls',
375 if env
['machine'] == 'x86':
380 if distutils
.version
.LooseVersion(ccversion
) >= distutils
.version
.LooseVersion('4.2') \
381 and (platform
!= 'windows' or env
['build'] == 'debug' or True):
382 # NOTE: We need to ensure stack is realigned given that we
383 # produce shared objects, and have no control over the stack
384 # alignment policy of the application. Therefore we need
385 # -mstackrealign ore -mincoming-stack-boundary=2.
387 # XXX: -O and -mstackrealign causes stack corruption on MinGW
389 # XXX: We could have SSE without -mstackrealign if we always used
390 # __attribute__((force_align_arg_pointer)), but that's not
393 '-mstackrealign', # ensure stack is aligned
394 '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
397 if platform
in ['windows', 'darwin']:
398 # Workaround http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216
399 ccflags
+= ['-fno-common']
400 if env
['machine'] == 'x86_64':
402 if platform
== 'darwin':
403 ccflags
+= ['-fno-common']
405 # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
410 '-fmessage-length=0', # be nice to Eclipse
413 '-Wmissing-prototypes',
416 if distutils
.version
.LooseVersion(ccversion
) >= distutils
.version
.LooseVersion('4.0'):
418 '-Wmissing-field-initializers',
420 if distutils
.version
.LooseVersion(ccversion
) >= distutils
.version
.LooseVersion('4.2'):
422 '-Werror=pointer-arith',
425 '-Werror=declaration-after-statement',
429 # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
431 if env
['build'] == 'debug':
433 '/Od', # disable optimizations
434 '/Oi', # enable intrinsic functions
435 '/Oy-', # disable frame pointer omission
439 '/O2', # optimize for speed
441 if env
['build'] == 'release':
443 '/GL', # enable whole program optimization
447 '/GL-', # disable whole program optimization
450 '/fp:fast', # fast floating point
451 '/W3', # warning level
452 #'/Wp64', # enable 64 bit porting warnings
454 if env
['machine'] == 'x86':
456 #'/arch:SSE2', # use the SSE2 instructions
458 if platform
== 'windows':
462 if platform
== 'winddk':
464 '/Zl', # omit default library name in .OBJ
465 '/Zp8', # 8bytes struct member alignment
466 '/Gy', # separate functions for linker
467 '/Gm-', # disable minimal rebuild
468 '/WX', # treat warnings as errors
469 '/Gz', # __stdcall Calling convention
470 '/GX-', # disable C++ EH
471 '/GR-', # disable C++ RTTI
472 '/GF', # enable read-only string pooling
473 '/G6', # optimize for PPro, P-II, P-III
474 '/Ze', # enable extensions
475 '/Gi-', # disable incremental compilation
476 '/QIfdiv-', # disable Pentium FDIV fix
477 '/hotpatch', # prepares an image for hotpatching.
478 #'/Z7', #enable old-style debug info
480 if platform
== 'wince':
481 # See also C:\WINCE600\public\common\oak\misc\makefile.def
483 '/Zl', # omit default library name in .OBJ
484 '/GF', # enable read-only string pooling
485 '/GR-', # disable C++ RTTI
486 '/GS', # enable security checks
487 # Allow disabling language conformance to maintain backward compat
488 #'/Zc:wchar_t-', # don't force wchar_t as native type, instead of typedef
489 #'/Zc:forScope-', # don't enforce Standard C++ for scoping rules
495 # Automatic pdb generation
496 # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
497 env
.EnsureSConsVersion(0, 98, 0)
498 env
['PDB'] = '${TARGET.base}.pdb'
499 env
.Append(CCFLAGS
= ccflags
)
500 env
.Append(CFLAGS
= cflags
)
501 env
.Append(CXXFLAGS
= cxxflags
)
503 if env
['platform'] == 'windows' and msvc
:
504 # Choose the appropriate MSVC CRT
505 # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx
506 if env
['build'] in ('debug', 'checked'):
507 env
.Append(CCFLAGS
= ['/MTd'])
508 env
.Append(SHCCFLAGS
= ['/LDd'])
510 env
.Append(CCFLAGS
= ['/MT'])
511 env
.Append(SHCCFLAGS
= ['/LD'])
515 if env
['machine'] == 'x86':
516 env
.Append(ASFLAGS
= ['-m32'])
517 if env
['machine'] == 'x86_64':
518 env
.Append(ASFLAGS
= ['-m64'])
524 if env
['machine'] == 'x86':
525 linkflags
+= ['-m32']
526 if env
['machine'] == 'x86_64':
527 linkflags
+= ['-m64']
528 if env
['platform'] not in ('darwin'):
532 # Handle circular dependencies in the libraries
533 if env
['platform'] in ('darwin'):
536 env
['_LIBFLAGS'] = '-Wl,--start-group ' + env
['_LIBFLAGS'] + ' -Wl,--end-group'
538 if env
['build'] == 'release':
539 # enable Link-time Code Generation
540 linkflags
+= ['/LTCG']
541 env
.Append(ARFLAGS
= ['/LTCG'])
542 if platform
== 'windows' and msvc
:
544 # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
549 if platform
== 'winddk':
552 '/merge:_TEXT=.text',
556 '/ignore:4198,4010,4037,4039,4065,4070,4078,4087,4089,4221',
569 '/stack:0x40000,0x1000',
572 '/subsystem:native,5.01',
575 '/entry:DrvEnableDriver',
577 if env
['build'] != 'release':
579 '/MAP', # http://msdn.microsoft.com/en-us/library/k7xkk3e2.aspx
581 if platform
== 'wince':
586 '/entry:_DllMainCRTStartup',
588 env
.Append(LINKFLAGS
= linkflags
)
589 env
.Append(SHLINKFLAGS
= shlinkflags
)
591 # We have C++ in several libraries, so always link with the C++ compiler
593 env
['LINK'] = env
['CXX']
596 env
.Append(LIBS
= [])
603 pkg_config_modules(env
, 'x11', ['x11', 'xext'])
604 pkg_config_modules(env
, 'drm', ['libdrm'])
605 pkg_config_modules(env
, 'drm_intel', ['libdrm_intel'])
606 pkg_config_modules(env
, 'drm_radeon', ['libdrm_radeon'])
607 pkg_config_modules(env
, 'xorg', ['xorg-server'])
608 pkg_config_modules(env
, 'kms', ['libkms'])
610 env
['dri'] = env
['x11'] and env
['drm']
612 # Custom builders and methods
614 createInstallMethods(env
)