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')
90 def msvc2013_compat(env
):
92 env
.Append(CCFLAGS
= [
94 '-Werror=pointer-arith',
97 def msvc2008_compat(env
):
100 env
.Append(CFLAGS
= [
101 '-Werror=declaration-after-statement',
104 def createMSVCCompatMethods(env
):
105 env
.AddMethod(msvc2013_compat
, 'MSVC2013Compat')
106 env
.AddMethod(msvc2008_compat
, 'MSVC2008Compat')
111 return int(os
.environ
['NUMBER_OF_PROCESSORS'])
112 except (ValueError, KeyError):
116 return os
.sysconf('SC_NPROCESSORS_ONLN')
117 except (ValueError, OSError, AttributeError):
121 return int(os
.popen2("sysctl -n hw.ncpu")[1].read())
128 def check_cc(env
, cc
, expr
, cpp_opt
= '-E'):
129 # Invoke C-preprocessor to determine whether the specified expression is
132 sys
.stdout
.write('Checking for %s ... ' % cc
)
134 source
= tempfile
.NamedTemporaryFile(suffix
='.c', delete
=False)
135 source
.write('#if !(%s)\n#error\n#endif\n' % expr
)
138 pipe
= SCons
.Action
._subproc
(env
, [env
['CC'], cpp_opt
, source
.name
],
142 result
= pipe
.wait() == 0
144 os
.unlink(source
.name
)
146 sys
.stdout
.write(' %s\n' % ['no', 'yes'][int(bool(result
))])
151 """Common environment generation code"""
153 # Tell tools which machine to compile for
154 env
['TARGET_ARCH'] = env
['machine']
155 env
['MSVS_ARCH'] = env
['machine']
158 platform
= env
['platform']
159 env
.Tool(env
['toolchain'])
161 # Allow override compiler and specify additional flags from environment
162 if os
.environ
.has_key('CC'):
163 env
['CC'] = os
.environ
['CC']
164 # Update CCVERSION to match
165 pipe
= SCons
.Action
._subproc
(env
, [env
['CC'], '--version'],
168 stdout
= subprocess
.PIPE
)
170 line
= pipe
.stdout
.readline()
171 match
= re
.search(r
'[0-9]+(\.[0-9]+)+', line
)
173 env
['CCVERSION'] = match
.group(0)
174 if os
.environ
.has_key('CFLAGS'):
175 env
['CCFLAGS'] += SCons
.Util
.CLVar(os
.environ
['CFLAGS'])
176 if os
.environ
.has_key('CXX'):
177 env
['CXX'] = os
.environ
['CXX']
178 if os
.environ
.has_key('CXXFLAGS'):
179 env
['CXXFLAGS'] += SCons
.Util
.CLVar(os
.environ
['CXXFLAGS'])
180 if os
.environ
.has_key('LDFLAGS'):
181 env
['LINKFLAGS'] += SCons
.Util
.CLVar(os
.environ
['LDFLAGS'])
183 # Detect gcc/clang not by executable name, but through pre-defined macros
184 # as autoconf does, to avoid drawing wrong conclusions when using tools
185 # that overrice CC/CXX like scan-build.
189 if _platform
.system() == 'Windows':
190 env
['msvc'] = check_cc(env
, 'MSVC', 'defined(_MSC_VER)', '/E')
192 env
['gcc'] = check_cc(env
, 'GCC', 'defined(__GNUC__) && !defined(__clang__)')
193 env
['clang'] = check_cc(env
, 'Clang', '__clang__')
194 env
['suncc'] = env
['platform'] == 'sunos' and os
.path
.basename(env
['CC']) == 'cc'
195 env
['icc'] = 'icc' == os
.path
.basename(env
['CC'])
197 if env
['msvc'] and env
['toolchain'] == 'default' and env
['machine'] == 'x86_64':
198 # MSVC x64 support is broken in earlier versions of scons
199 env
.EnsurePythonVersion(2, 0)
202 machine
= env
['machine']
203 platform
= env
['platform']
204 x86
= env
['machine'] == 'x86'
205 ppc
= env
['machine'] == 'ppc'
206 gcc_compat
= env
['gcc'] or env
['clang']
211 # Determine whether we are cross compiling; in particular, whether we need
212 # to compile code generators with a different compiler as the target code.
213 host_platform
= _platform
.system().lower()
214 if host_platform
.startswith('cygwin'):
215 host_platform
= 'cygwin'
216 host_machine
= os
.environ
.get('PROCESSOR_ARCHITEW6432', os
.environ
.get('PROCESSOR_ARCHITECTURE', _platform
.machine()))
226 }.get(host_machine
, 'generic')
227 env
['crosscompile'] = platform
!= host_platform
228 if machine
== 'x86_64' and host_machine
!= 'x86_64':
229 env
['crosscompile'] = True
230 env
['hostonly'] = False
232 # Backwards compatability with the debug= profile= options
233 if env
['build'] == 'debug':
235 print 'scons: warning: debug option is deprecated and will be removed eventually; use instead'
237 print ' scons build=release'
239 env
['build'] = 'release'
241 print 'scons: warning: profile option is deprecated and will be removed eventually; use instead'
243 print ' scons build=profile'
245 env
['build'] = 'profile'
247 # Enforce SConscripts to use the new build variable
249 env
.popitem('profile')
251 # Backwards portability with older sconscripts
252 if env
['build'] in ('debug', 'checked'):
254 env
['profile'] = False
255 if env
['build'] == 'profile':
257 env
['profile'] = True
258 if env
['build'] == 'release':
260 env
['profile'] = False
262 # Put build output in a separate dir, which depends on the current
263 # configuration. See also http://www.scons.org/wiki/AdvancedBuildExample
264 build_topdir
= 'build'
265 build_subdir
= env
['platform']
267 build_subdir
= 'embedded-' + build_subdir
268 if env
['machine'] != 'generic':
269 build_subdir
+= '-' + env
['machine']
270 if env
['build'] != 'release':
271 build_subdir
+= '-' + env
['build']
272 build_dir
= os
.path
.join(build_topdir
, build_subdir
)
273 # Place the .sconsign file in the build dir too, to avoid issues with
274 # different scons versions building the same source file
275 env
['build_dir'] = build_dir
276 env
.SConsignFile(os
.path
.join(build_dir
, '.sconsign'))
277 if 'SCONS_CACHE_DIR' in os
.environ
:
278 print 'scons: Using build cache in %s.' % (os
.environ
['SCONS_CACHE_DIR'],)
279 env
.CacheDir(os
.environ
['SCONS_CACHE_DIR'])
280 env
['CONFIGUREDIR'] = os
.path
.join(build_dir
, 'conf')
281 env
['CONFIGURELOG'] = os
.path
.join(os
.path
.abspath(build_dir
), 'config.log')
284 if env
.GetOption('num_jobs') <= 1:
285 env
.SetOption('num_jobs', num_jobs())
287 env
.Decider('MD5-timestamp')
288 env
.SetOption('max_drift', 60)
290 # C preprocessor options
292 if env
['build'] in ('debug', 'checked'):
293 cppdefines
+= ['DEBUG']
295 cppdefines
+= ['NDEBUG']
296 if env
['build'] == 'profile':
297 cppdefines
+= ['PROFILE']
298 if env
['platform'] in ('posix', 'linux', 'freebsd', 'darwin'):
301 ('_POSIX_C_SOURCE', '199309L'),
307 'HAVE_POSIX_MEMALIGN',
309 if env
['platform'] == 'darwin':
313 'GLX_DIRECT_RENDERING',
317 'GLX_DIRECT_RENDERING',
318 'GLX_INDIRECT_RENDERING',
320 if env
['platform'] in ('linux', 'freebsd'):
321 cppdefines
+= ['HAVE_ALIAS']
323 cppdefines
+= ['GLX_ALIAS_UNSUPPORTED']
325 if env
['platform'] in ('linux', 'darwin'):
326 cppdefines
+= ['HAVE_XLOCALE_H']
328 if env
['platform'] == 'haiku':
331 'HAVE_POSIX_MEMALIGN'
333 if platform
== 'windows':
339 # http://msdn.microsoft.com/en-us/library/aa383745.aspx
340 ('_WIN32_WINNT', '0x0601'),
341 ('WINVER', '0x0601'),
344 cppdefines
+= [('__MSVCRT_VERSION__', '0x0700')]
349 '_CRT_SECURE_NO_WARNINGS',
350 '_CRT_SECURE_NO_DEPRECATE',
351 '_SCL_SECURE_NO_WARNINGS',
352 '_SCL_SECURE_NO_DEPRECATE',
353 '_ALLOW_KEYWORD_MACROS',
355 if env
['build'] in ('debug', 'checked'):
356 cppdefines
+= ['_DEBUG']
357 if platform
== 'windows':
358 cppdefines
+= ['PIPE_SUBSYSTEM_WINDOWS_USER']
360 cppdefines
+= ['PIPE_SUBSYSTEM_EMBEDDED']
361 if env
['texture_float']:
362 print 'warning: Floating-point textures enabled.'
363 print 'warning: Please consult docs/patents.txt with your lawyer before building Mesa.'
364 cppdefines
+= ['TEXTURE_FLOAT_ENABLED']
366 ccversion
= env
['CCVERSION']
368 'HAVE___BUILTIN_EXPECT',
369 'HAVE___BUILTIN_FFS',
370 'HAVE___BUILTIN_FFSLL',
371 'HAVE_FUNC_ATTRIBUTE_FLATTEN',
372 'HAVE_FUNC_ATTRIBUTE_UNUSED',
374 'HAVE_FUNC_ATTRIBUTE_FORMAT',
375 'HAVE_FUNC_ATTRIBUTE_PACKED',
377 'HAVE___BUILTIN_CTZ',
378 'HAVE___BUILTIN_POPCOUNT',
379 'HAVE___BUILTIN_POPCOUNTLL',
380 'HAVE___BUILTIN_CLZ',
381 'HAVE___BUILTIN_CLZLL',
383 if distutils
.version
.LooseVersion(ccversion
) >= distutils
.version
.LooseVersion('4.5'):
384 cppdefines
+= ['HAVE___BUILTIN_UNREACHABLE']
385 env
.Append(CPPDEFINES
= cppdefines
)
390 ccflags
= [] # C & C++
392 ccversion
= env
['CCVERSION']
393 if env
['build'] == 'debug':
395 elif env
['gcc'] and ccversion
.startswith('4.2.'):
396 # gcc 4.2.x optimizer is broken
397 print "warning: gcc 4.2.x optimizer is broken -- disabling optimizations"
402 # gcc's builtin memcmp is slower than glibc's
403 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
404 ccflags
+= ['-fno-builtin-memcmp']
405 # Work around aliasing bugs - developers should comment this out
406 ccflags
+= ['-fno-strict-aliasing']
408 if env
['build'] in ('checked', 'profile'):
409 # See http://code.google.com/p/jrfonseca/wiki/Gprof2Dot#Which_options_should_I_pass_to_gcc_when_compiling_for_profiling?
411 '-fno-omit-frame-pointer',
414 ccflags
+= ['-fno-optimize-sibling-calls']
415 if env
['machine'] == 'x86':
420 if platform
!= 'haiku':
421 # NOTE: We need to ensure stack is realigned given that we
422 # produce shared objects, and have no control over the stack
423 # alignment policy of the application. Therefore we need
424 # -mstackrealign ore -mincoming-stack-boundary=2.
426 # XXX: We could have SSE without -mstackrealign if we always used
427 # __attribute__((force_align_arg_pointer)), but that's not
430 '-mstackrealign', # ensure stack is aligned
431 '-msse', '-msse2', # enable SIMD intrinsics
432 '-mfpmath=sse', # generate SSE floating-point arithmetic
434 if platform
in ['windows', 'darwin']:
435 # Workaround http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216
436 ccflags
+= ['-fno-common']
437 if platform
in ['haiku']:
438 # Make optimizations compatible with Pentium or higher on Haiku
440 '-mstackrealign', # ensure stack is aligned
441 '-march=i586', # Haiku target is Pentium
442 '-mtune=i686' # use i686 where we can
444 if env
['machine'] == 'x86_64':
446 if platform
== 'darwin':
447 ccflags
+= ['-fno-common']
448 if env
['platform'] not in ('cygwin', 'haiku', 'windows'):
449 ccflags
+= ['-fvisibility=hidden']
451 # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
455 '-fmessage-length=0', # be nice to Eclipse
458 '-Wmissing-prototypes',
467 # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
469 if 'MSVC_VERSION' not in env
or distutils
.version
.LooseVersion(env
['MSVC_VERSION']) < distutils
.version
.LooseVersion('12.0'):
470 # Use bundled stdbool.h and stdint.h headers for older MSVC
471 # versions. stdint.h was introduced in MSVC 2010, but stdbool.h
472 # was only introduced in MSVC 2013.
473 top_dir
= os
.path
.abspath(os
.path
.join(os
.path
.dirname(__file__
), '..'))
474 env
.Append(CPPPATH
= [os
.path
.join(top_dir
, 'include/c99')])
475 if env
['build'] == 'debug':
477 '/Od', # disable optimizations
478 '/Oi', # enable intrinsic functions
481 if 'MSVC_VERSION' in env
and distutils
.version
.LooseVersion(env
['MSVC_VERSION']) < distutils
.version
.LooseVersion('11.0'):
482 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 )'
484 '/O2', # optimize for speed
486 if env
['build'] == 'release':
488 '/GL', # enable whole program optimization
492 '/Oy-', # disable frame pointer omission
493 '/GL-', # disable whole program optimization
496 '/W3', # warning level
497 '/wd4244', # conversion from 'type1' to 'type2', possible loss of data
498 '/wd4305', # truncation from 'type1' to 'type2'
499 '/wd4800', # forcing value to bool 'true' or 'false' (performance warning)
500 '/wd4996', # disable deprecated POSIX name warnings
502 if env
['machine'] == 'x86':
504 '/arch:SSE2', # use the SSE2 instructions (default since MSVC 2012)
506 if platform
== 'windows':
510 # Automatic pdb generation
511 # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
512 env
.EnsureSConsVersion(0, 98, 0)
513 env
['PDB'] = '${TARGET.base}.pdb'
514 env
.Append(CCFLAGS
= ccflags
)
515 env
.Append(CFLAGS
= cflags
)
516 env
.Append(CXXFLAGS
= cxxflags
)
518 if env
['platform'] == 'windows' and msvc
:
519 # Choose the appropriate MSVC CRT
520 # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx
521 if env
['build'] in ('debug', 'checked'):
522 env
.Append(CCFLAGS
= ['/MTd'])
523 env
.Append(SHCCFLAGS
= ['/LDd'])
525 env
.Append(CCFLAGS
= ['/MT'])
526 env
.Append(SHCCFLAGS
= ['/LD'])
528 # Static code analysis
531 # http://msdn.microsoft.com/en-us/library/ms173498.aspx
532 env
.Append(CCFLAGS
= [
534 #'/analyze:log', '${TARGET.base}.xml',
537 # scan-build will produce more comprehensive output
538 env
.Append(CCFLAGS
= ['--analyze'])
542 if env
['machine'] == 'x86':
543 env
.Append(ASFLAGS
= ['-m32'])
544 if env
['machine'] == 'x86_64':
545 env
.Append(ASFLAGS
= ['-m64'])
551 if env
['machine'] == 'x86':
552 linkflags
+= ['-m32']
553 if env
['machine'] == 'x86_64':
554 linkflags
+= ['-m64']
555 if env
['platform'] not in ('darwin'):
559 # Handle circular dependencies in the libraries
560 if env
['platform'] in ('darwin'):
563 env
['_LIBFLAGS'] = '-Wl,--start-group ' + env
['_LIBFLAGS'] + ' -Wl,--end-group'
564 if env
['platform'] == 'windows':
566 '-Wl,--nxcompat', # DEP
567 '-Wl,--dynamicbase', # ASLR
569 # Avoid depending on gcc runtime DLLs
570 linkflags
+= ['-static-libgcc']
571 if 'w64' in env
['CC'].split('-'):
572 linkflags
+= ['-static-libstdc++']
573 # Handle the @xx symbol munging of DLL exports
574 shlinkflags
+= ['-Wl,--enable-stdcall-fixup']
575 #shlinkflags += ['-Wl,--kill-at']
577 if env
['build'] == 'release':
578 # enable Link-time Code Generation
579 linkflags
+= ['/LTCG']
580 env
.Append(ARFLAGS
= ['/LTCG'])
581 if platform
== 'windows' and msvc
:
583 # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
587 '/dynamicbase', # ASLR
590 env
.Append(LINKFLAGS
= linkflags
)
591 env
.Append(SHLINKFLAGS
= shlinkflags
)
593 # We have C++ in several libraries, so always link with the C++ compiler
595 env
['LINK'] = env
['CXX']
599 if env
['platform'] in ('darwin', 'freebsd', 'linux', 'posix', 'sunos'):
600 libs
+= ['m', 'pthread', 'dl']
601 if env
['platform'] in ('linux',):
603 if env
['platform'] in ('haiku'):
604 libs
+= ['root', 'be', 'network', 'translation']
605 env
.Append(LIBS
= libs
)
610 env
.Append(CCFLAGS
= ['/openmp'])
611 # When building openmp release VS2008 link.exe crashes with LNK1103 error.
612 # Workaround: overwrite PDB flags with empty value as it isn't required anyways
613 if env
['build'] == 'release':
616 env
.Append(CCFLAGS
= ['-fopenmp'])
617 env
.Append(LIBS
= ['gomp'])
625 # Custom builders and methods
627 createInstallMethods(env
)
628 createMSVCCompatMethods(env
)
630 env
.PkgCheckModules('X11', ['x11', 'xext', 'xdamage', 'xfixes', 'glproto >= 1.4.13'])
631 env
.PkgCheckModules('XCB', ['x11-xcb', 'xcb-glx >= 1.8.1', 'xcb-dri2 >= 1.8'])
632 env
.PkgCheckModules('XF86VIDMODE', ['xxf86vm'])
633 env
.PkgCheckModules('DRM', ['libdrm >= 2.4.38'])
634 env
.PkgCheckModules('UDEV', ['libudev >= 151'])
637 env
.Append(CPPPATH
= env
['X11_CPPPATH'])
639 env
['dri'] = env
['x11'] and env
['drm']