3 Frontend-tool for Gallium3D architecture.
8 # Copyright 2008 VMware, Inc.
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 VMWARE 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
47 def symlink(target
, source
, env
):
48 target
= str(target
[0])
49 source
= str(source
[0])
50 if os
.path
.islink(target
) or os
.path
.exists(target
):
52 os
.symlink(os
.path
.basename(source
), target
)
54 def install(env
, source
, subdir
):
55 target_dir
= os
.path
.join(env
.Dir('#.').srcnode().abspath
, env
['build_dir'], subdir
)
56 return env
.Install(target_dir
, source
)
58 def install_program(env
, source
):
59 return install(env
, source
, 'bin')
61 def install_shared_library(env
, sources
, version
= ()):
63 install_dir
= os
.path
.join(env
.Dir('#.').srcnode().abspath
, env
['build_dir'])
64 version
= tuple(map(str, version
))
65 if env
['SHLIBSUFFIX'] == '.dll':
66 dlls
= env
.FindIxes(sources
, 'SHLIBPREFIX', 'SHLIBSUFFIX')
67 targets
+= install(env
, dlls
, 'bin')
68 libs
= env
.FindIxes(sources
, 'LIBPREFIX', 'LIBSUFFIX')
69 targets
+= install(env
, libs
, 'lib')
71 for source
in sources
:
72 target_dir
= os
.path
.join(install_dir
, 'lib')
73 target_name
= '.'.join((str(source
),) + version
)
74 last
= env
.InstallAs(os
.path
.join(target_dir
, target_name
), source
)
77 version
= version
[:-1]
78 target_name
= '.'.join((str(source
),) + version
)
79 action
= SCons
.Action
.Action(symlink
, " Symlinking $TARGET ...")
80 last
= env
.Command(os
.path
.join(target_dir
, target_name
), last
, action
)
85 def createInstallMethods(env
):
86 env
.AddMethod(install_program
, 'InstallProgram')
87 env
.AddMethod(install_shared_library
, 'InstallSharedLibrary')
92 return int(os
.environ
['NUMBER_OF_PROCESSORS'])
93 except (ValueError, KeyError):
97 return os
.sysconf('SC_NPROCESSORS_ONLN')
98 except (ValueError, OSError, AttributeError):
102 return int(os
.popen2("sysctl -n hw.ncpu")[1].read())
109 def check_cc(env
, cc
, expr
, cpp_opt
= '-E'):
110 # Invoke C-preprocessor to determine whether the specified expression is
113 sys
.stdout
.write('Checking for %s ... ' % cc
)
115 source
= tempfile
.NamedTemporaryFile(suffix
='.c', delete
=False)
116 source
.write('#if !(%s)\n#error\n#endif\n' % expr
)
119 pipe
= SCons
.Action
._subproc
(env
, [env
['CC'], cpp_opt
, source
.name
],
123 result
= pipe
.wait() == 0
125 os
.unlink(source
.name
)
127 sys
.stdout
.write(' %s\n' % ['no', 'yes'][int(bool(result
))])
132 """Common environment generation code"""
134 # Tell tools which machine to compile for
135 env
['TARGET_ARCH'] = env
['machine']
136 env
['MSVS_ARCH'] = env
['machine']
139 platform
= env
['platform']
140 env
.Tool(env
['toolchain'])
142 # Allow override compiler and specify additional flags from environment
143 if os
.environ
.has_key('CC'):
144 env
['CC'] = os
.environ
['CC']
145 # Update CCVERSION to match
146 pipe
= SCons
.Action
._subproc
(env
, [env
['CC'], '--version'],
149 stdout
= subprocess
.PIPE
)
151 line
= pipe
.stdout
.readline()
152 match
= re
.search(r
'[0-9]+(\.[0-9]+)+', line
)
154 env
['CCVERSION'] = match
.group(0)
155 if os
.environ
.has_key('CFLAGS'):
156 env
['CCFLAGS'] += SCons
.Util
.CLVar(os
.environ
['CFLAGS'])
157 if os
.environ
.has_key('CXX'):
158 env
['CXX'] = os
.environ
['CXX']
159 if os
.environ
.has_key('CXXFLAGS'):
160 env
['CXXFLAGS'] += SCons
.Util
.CLVar(os
.environ
['CXXFLAGS'])
161 if os
.environ
.has_key('LDFLAGS'):
162 env
['LINKFLAGS'] += SCons
.Util
.CLVar(os
.environ
['LDFLAGS'])
164 # Detect gcc/clang not by executable name, but through pre-defined macros
165 # as autoconf does, to avoid drawing wrong conclusions when using tools
166 # that overrice CC/CXX like scan-build.
170 if _platform
.system() == 'Windows':
171 env
['msvc'] = check_cc(env
, 'MSVC', 'defined(_MSC_VER)', '/E')
173 env
['gcc'] = check_cc(env
, 'GCC', 'defined(__GNUC__) && !defined(__clang__)')
174 env
['clang'] = check_cc(env
, 'Clang', '__clang__')
175 env
['suncc'] = env
['platform'] == 'sunos' and os
.path
.basename(env
['CC']) == 'cc'
176 env
['icc'] = 'icc' == os
.path
.basename(env
['CC'])
178 if env
['msvc'] and env
['toolchain'] == 'default' and env
['machine'] == 'x86_64':
179 # MSVC x64 support is broken in earlier versions of scons
180 env
.EnsurePythonVersion(2, 0)
183 machine
= env
['machine']
184 platform
= env
['platform']
185 x86
= env
['machine'] == 'x86'
186 ppc
= env
['machine'] == 'ppc'
187 gcc_compat
= env
['gcc'] or env
['clang']
192 # Determine whether we are cross compiling; in particular, whether we need
193 # to compile code generators with a different compiler as the target code.
194 host_platform
= _platform
.system().lower()
195 if host_platform
.startswith('cygwin'):
196 host_platform
= 'cygwin'
197 host_machine
= os
.environ
.get('PROCESSOR_ARCHITEW6432', os
.environ
.get('PROCESSOR_ARCHITECTURE', _platform
.machine()))
207 }.get(host_machine
, 'generic')
208 env
['crosscompile'] = platform
!= host_platform
209 if machine
== 'x86_64' and host_machine
!= 'x86_64':
210 env
['crosscompile'] = True
211 env
['hostonly'] = False
213 # Backwards compatability with the debug= profile= options
214 if env
['build'] == 'debug':
216 print 'scons: warning: debug option is deprecated and will be removed eventually; use instead'
218 print ' scons build=release'
220 env
['build'] = 'release'
222 print 'scons: warning: profile option is deprecated and will be removed eventually; use instead'
224 print ' scons build=profile'
226 env
['build'] = 'profile'
228 # Enforce SConscripts to use the new build variable
230 env
.popitem('profile')
232 # Backwards portability with older sconscripts
233 if env
['build'] in ('debug', 'checked'):
235 env
['profile'] = False
236 if env
['build'] == 'profile':
238 env
['profile'] = True
239 if env
['build'] == 'release':
241 env
['profile'] = False
243 # Put build output in a separate dir, which depends on the current
244 # configuration. See also http://www.scons.org/wiki/AdvancedBuildExample
245 build_topdir
= 'build'
246 build_subdir
= env
['platform']
248 build_subdir
= 'embedded-' + build_subdir
249 if env
['machine'] != 'generic':
250 build_subdir
+= '-' + env
['machine']
251 if env
['build'] != 'release':
252 build_subdir
+= '-' + env
['build']
253 build_dir
= os
.path
.join(build_topdir
, build_subdir
)
254 # Place the .sconsign file in the build dir too, to avoid issues with
255 # different scons versions building the same source file
256 env
['build_dir'] = build_dir
257 env
.SConsignFile(os
.path
.join(build_dir
, '.sconsign'))
258 if 'SCONS_CACHE_DIR' in os
.environ
:
259 print 'scons: Using build cache in %s.' % (os
.environ
['SCONS_CACHE_DIR'],)
260 env
.CacheDir(os
.environ
['SCONS_CACHE_DIR'])
261 env
['CONFIGUREDIR'] = os
.path
.join(build_dir
, 'conf')
262 env
['CONFIGURELOG'] = os
.path
.join(os
.path
.abspath(build_dir
), 'config.log')
265 if env
.GetOption('num_jobs') <= 1:
266 env
.SetOption('num_jobs', num_jobs())
268 env
.Decider('MD5-timestamp')
269 env
.SetOption('max_drift', 60)
271 # C preprocessor options
273 if env
['build'] in ('debug', 'checked'):
274 cppdefines
+= ['DEBUG']
276 cppdefines
+= ['NDEBUG']
277 if env
['build'] == 'profile':
278 cppdefines
+= ['PROFILE']
279 if env
['platform'] in ('posix', 'linux', 'freebsd', 'darwin'):
282 ('_POSIX_C_SOURCE', '199309L'),
287 'HAVE_POSIX_MEMALIGN',
289 if env
['platform'] == 'darwin':
293 'GLX_DIRECT_RENDERING',
297 'GLX_DIRECT_RENDERING',
298 'GLX_INDIRECT_RENDERING',
300 if env
['platform'] in ('linux', 'freebsd'):
301 cppdefines
+= ['HAVE_ALIAS']
303 cppdefines
+= ['GLX_ALIAS_UNSUPPORTED']
304 if env
['platform'] == 'haiku':
307 'HAVE_POSIX_MEMALIGN'
309 if platform
== 'windows':
315 # http://msdn.microsoft.com/en-us/library/aa383745.aspx
316 ('_WIN32_WINNT', '0x0601'),
317 ('WINVER', '0x0601'),
320 cppdefines
+= [('__MSVCRT_VERSION__', '0x0700')]
325 '_CRT_SECURE_NO_WARNINGS',
326 '_CRT_SECURE_NO_DEPRECATE',
327 '_SCL_SECURE_NO_WARNINGS',
328 '_SCL_SECURE_NO_DEPRECATE',
329 '_ALLOW_KEYWORD_MACROS',
331 if env
['build'] in ('debug', 'checked'):
332 cppdefines
+= ['_DEBUG']
333 if platform
== 'windows':
334 cppdefines
+= ['PIPE_SUBSYSTEM_WINDOWS_USER']
336 cppdefines
+= ['PIPE_SUBSYSTEM_EMBEDDED']
337 if env
['texture_float']:
338 print 'warning: Floating-point textures enabled.'
339 print 'warning: Please consult docs/patents.txt with your lawyer before building Mesa.'
340 cppdefines
+= ['TEXTURE_FLOAT_ENABLED']
341 env
.Append(CPPDEFINES
= cppdefines
)
346 ccflags
= [] # C & C++
348 ccversion
= env
['CCVERSION']
349 if env
['build'] == 'debug':
351 elif env
['gcc'] and ccversion
.startswith('4.2.'):
352 # gcc 4.2.x optimizer is broken
353 print "warning: gcc 4.2.x optimizer is broken -- disabling optimizations"
358 # gcc's builtin memcmp is slower than glibc's
359 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
360 ccflags
+= ['-fno-builtin-memcmp']
361 # Work around aliasing bugs - developers should comment this out
362 ccflags
+= ['-fno-strict-aliasing']
364 if env
['build'] in ('checked', 'profile'):
365 # See http://code.google.com/p/jrfonseca/wiki/Gprof2Dot#Which_options_should_I_pass_to_gcc_when_compiling_for_profiling?
367 '-fno-omit-frame-pointer',
370 ccflags
+= ['-fno-optimize-sibling-calls']
371 if env
['machine'] == 'x86':
376 if distutils
.version
.LooseVersion(ccversion
) >= distutils
.version
.LooseVersion('4.2') \
377 and (platform
!= 'windows' or env
['build'] == 'debug' or True) \
378 and platform
!= 'haiku':
379 # NOTE: We need to ensure stack is realigned given that we
380 # produce shared objects, and have no control over the stack
381 # alignment policy of the application. Therefore we need
382 # -mstackrealign ore -mincoming-stack-boundary=2.
384 # XXX: -O and -mstackrealign causes stack corruption on MinGW
386 # XXX: We could have SSE without -mstackrealign if we always used
387 # __attribute__((force_align_arg_pointer)), but that's not
390 '-mstackrealign', # ensure stack is aligned
391 '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
394 if platform
in ['windows', 'darwin']:
395 # Workaround http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216
396 ccflags
+= ['-fno-common']
397 if platform
in ['haiku']:
398 # Make optimizations compatible with Pentium or higher on Haiku
400 '-mstackrealign', # ensure stack is aligned
401 '-march=i586', # Haiku target is Pentium
402 '-mtune=i686' # use i686 where we can
404 if env
['machine'] == 'x86_64':
406 if platform
== 'darwin':
407 ccflags
+= ['-fno-common']
408 if env
['platform'] not in ('cygwin', 'haiku', 'windows'):
409 ccflags
+= ['-fvisibility=hidden']
411 # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
415 '-fmessage-length=0', # be nice to Eclipse
418 '-Wmissing-prototypes',
421 if distutils
.version
.LooseVersion(ccversion
) >= distutils
.version
.LooseVersion('4.2'):
426 '-Wdeclaration-after-statement',
434 # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
436 if 'MSVC_VERSION' not in env
or distutils
.version
.LooseVersion(env
['MSVC_VERSION']) < distutils
.version
.LooseVersion('12.0'):
437 # Use bundled stdbool.h and stdint.h headers for older MSVC
438 # versions. stdint.h was introduced in MSVC 2010, but stdbool.h
439 # was only introduced in MSVC 2013.
440 top_dir
= os
.path
.abspath(os
.path
.join(os
.path
.dirname(__file__
), '..'))
441 env
.Append(CPPPATH
= [os
.path
.join(top_dir
, 'include/c99')])
442 if env
['build'] == 'debug':
444 '/Od', # disable optimizations
445 '/Oi', # enable intrinsic functions
448 if 'MSVC_VERSION' in env
and distutils
.version
.LooseVersion(env
['MSVC_VERSION']) < distutils
.version
.LooseVersion('11.0'):
449 print 'scons: warning: Visual Studio versions prior to 2012 are known to produce incorrect code when optimizations are enabled ( https://bugs.freedesktop.org/show_bug.cgi?id=58718 )'
451 '/O2', # optimize for speed
453 if env
['build'] == 'release':
455 '/GL', # enable whole program optimization
459 '/Oy-', # disable frame pointer omission
460 '/GL-', # disable whole program optimization
463 '/W3', # warning level
464 '/wd4244', # conversion from 'type1' to 'type2', possible loss of data
465 '/wd4305', # truncation from 'type1' to 'type2'
466 '/wd4800', # forcing value to bool 'true' or 'false' (performance warning)
467 '/wd4996', # disable deprecated POSIX name warnings
469 if env
['machine'] == 'x86':
471 #'/arch:SSE2', # use the SSE2 instructions
473 if platform
== 'windows':
477 # Automatic pdb generation
478 # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
479 env
.EnsureSConsVersion(0, 98, 0)
480 env
['PDB'] = '${TARGET.base}.pdb'
481 env
.Append(CCFLAGS
= ccflags
)
482 env
.Append(CFLAGS
= cflags
)
483 env
.Append(CXXFLAGS
= cxxflags
)
485 if env
['platform'] == 'windows' and msvc
:
486 # Choose the appropriate MSVC CRT
487 # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx
488 if env
['build'] in ('debug', 'checked'):
489 env
.Append(CCFLAGS
= ['/MTd'])
490 env
.Append(SHCCFLAGS
= ['/LDd'])
492 env
.Append(CCFLAGS
= ['/MT'])
493 env
.Append(SHCCFLAGS
= ['/LD'])
495 # Static code analysis
498 # http://msdn.microsoft.com/en-us/library/ms173498.aspx
499 env
.Append(CCFLAGS
= [
501 #'/analyze:log', '${TARGET.base}.xml',
504 # scan-build will produce more comprehensive output
505 env
.Append(CCFLAGS
= ['--analyze'])
509 if env
['machine'] == 'x86':
510 env
.Append(ASFLAGS
= ['-m32'])
511 if env
['machine'] == 'x86_64':
512 env
.Append(ASFLAGS
= ['-m64'])
518 if env
['machine'] == 'x86':
519 linkflags
+= ['-m32']
520 if env
['machine'] == 'x86_64':
521 linkflags
+= ['-m64']
522 if env
['platform'] not in ('darwin'):
526 # Handle circular dependencies in the libraries
527 if env
['platform'] in ('darwin'):
530 env
['_LIBFLAGS'] = '-Wl,--start-group ' + env
['_LIBFLAGS'] + ' -Wl,--end-group'
531 if env
['platform'] == 'windows':
532 # Avoid depending on gcc runtime DLLs
533 linkflags
+= ['-static-libgcc']
534 if 'w64' in env
['CC'].split('-'):
535 linkflags
+= ['-static-libstdc++']
536 # Handle the @xx symbol munging of DLL exports
537 shlinkflags
+= ['-Wl,--enable-stdcall-fixup']
538 #shlinkflags += ['-Wl,--kill-at']
540 if env
['build'] == 'release':
541 # enable Link-time Code Generation
542 linkflags
+= ['/LTCG']
543 env
.Append(ARFLAGS
= ['/LTCG'])
544 if platform
== 'windows' and msvc
:
546 # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
551 env
.Append(LINKFLAGS
= linkflags
)
552 env
.Append(SHLINKFLAGS
= shlinkflags
)
554 # We have C++ in several libraries, so always link with the C++ compiler
556 env
['LINK'] = env
['CXX']
560 if env
['platform'] in ('darwin', 'freebsd', 'linux', 'posix', 'sunos'):
561 libs
+= ['m', 'pthread', 'dl']
562 if env
['platform'] in ('linux',):
564 if env
['platform'] in ('haiku'):
565 libs
+= ['root', 'be', 'network', 'translation']
566 env
.Append(LIBS
= libs
)
571 env
.Append(CCFLAGS
= ['/openmp'])
572 # When building openmp release VS2008 link.exe crashes with LNK1103 error.
573 # Workaround: overwrite PDB flags with empty value as it isn't required anyways
574 if env
['build'] == 'release':
577 env
.Append(CCFLAGS
= ['-fopenmp'])
578 env
.Append(LIBS
= ['gomp'])
586 # Custom builders and methods
588 createInstallMethods(env
)
590 env
.PkgCheckModules('X11', ['x11', 'xext', 'xdamage', 'xfixes'])
591 env
.PkgCheckModules('XCB', ['x11-xcb', 'xcb-glx >= 1.8.1', 'xcb-dri2 >= 1.8'])
592 env
.PkgCheckModules('XF86VIDMODE', ['xxf86vm'])
593 env
.PkgCheckModules('DRM', ['libdrm >= 2.4.38'])
594 env
.PkgCheckModules('UDEV', ['libudev >= 151'])
596 env
['dri'] = env
['x11'] and env
['drm']