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 host_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 createMSVCCompatMethods(env
):
98 env
.AddMethod(msvc2013_compat
, 'MSVC2013Compat')
103 return int(os
.environ
['NUMBER_OF_PROCESSORS'])
104 except (ValueError, KeyError):
108 return os
.sysconf('SC_NPROCESSORS_ONLN')
109 except (ValueError, OSError, AttributeError):
113 return int(os
.popen2("sysctl -n hw.ncpu")[1].read())
120 def check_cc(env
, cc
, expr
, cpp_opt
= '-E'):
121 # Invoke C-preprocessor to determine whether the specified expression is
124 sys
.stdout
.write('Checking for %s ... ' % cc
)
126 source
= tempfile
.NamedTemporaryFile(suffix
='.c', delete
=False)
127 source
.write('#if !(%s)\n#error\n#endif\n' % expr
)
130 pipe
= SCons
.Action
._subproc
(env
, [env
['CC'], cpp_opt
, source
.name
],
134 result
= pipe
.wait() == 0
136 os
.unlink(source
.name
)
138 sys
.stdout
.write(' %s\n' % ['no', 'yes'][int(bool(result
))])
142 def check_prog(env
, prog
):
143 """Check whether this program exists."""
145 sys
.stdout
.write('Checking for %s ... ' % prog
)
147 result
= env
.Detect(prog
)
149 sys
.stdout
.write(' %s\n' % ['no', 'yes'][int(bool(result
))])
154 """Common environment generation code"""
156 # Tell tools which machine to compile for
157 env
['TARGET_ARCH'] = env
['machine']
158 env
['MSVS_ARCH'] = env
['machine']
161 platform
= env
['platform']
162 env
.Tool(env
['toolchain'])
164 # Allow override compiler and specify additional flags from environment
165 if os
.environ
.has_key('CC'):
166 env
['CC'] = os
.environ
['CC']
167 # Update CCVERSION to match
168 pipe
= SCons
.Action
._subproc
(env
, [env
['CC'], '--version'],
171 stdout
= subprocess
.PIPE
)
173 line
= pipe
.stdout
.readline()
174 match
= re
.search(r
'[0-9]+(\.[0-9]+)+', line
)
176 env
['CCVERSION'] = match
.group(0)
177 if os
.environ
.has_key('CFLAGS'):
178 env
['CCFLAGS'] += SCons
.Util
.CLVar(os
.environ
['CFLAGS'])
179 if os
.environ
.has_key('CXX'):
180 env
['CXX'] = os
.environ
['CXX']
181 if os
.environ
.has_key('CXXFLAGS'):
182 env
['CXXFLAGS'] += SCons
.Util
.CLVar(os
.environ
['CXXFLAGS'])
183 if os
.environ
.has_key('LDFLAGS'):
184 env
['LINKFLAGS'] += SCons
.Util
.CLVar(os
.environ
['LDFLAGS'])
186 # Detect gcc/clang not by executable name, but through pre-defined macros
187 # as autoconf does, to avoid drawing wrong conclusions when using tools
188 # that overrice CC/CXX like scan-build.
192 if host_platform
.system() == 'Windows':
193 env
['msvc'] = check_cc(env
, 'MSVC', 'defined(_MSC_VER)', '/E')
195 env
['gcc'] = check_cc(env
, 'GCC', 'defined(__GNUC__) && !defined(__clang__)')
196 env
['clang'] = check_cc(env
, 'Clang', '__clang__')
197 env
['suncc'] = env
['platform'] == 'sunos' and os
.path
.basename(env
['CC']) == 'cc'
198 env
['icc'] = 'icc' == os
.path
.basename(env
['CC'])
200 if env
['msvc'] and env
['toolchain'] == 'default' and env
['machine'] == 'x86_64':
201 # MSVC x64 support is broken in earlier versions of scons
202 env
.EnsurePythonVersion(2, 0)
205 machine
= env
['machine']
206 platform
= env
['platform']
207 x86
= env
['machine'] == 'x86'
208 ppc
= env
['machine'] == 'ppc'
209 gcc_compat
= env
['gcc'] or env
['clang']
214 # Determine whether we are cross compiling; in particular, whether we need
215 # to compile code generators with a different compiler as the target code.
216 hosthost_platform
= host_platform
.system().lower()
217 if hosthost_platform
.startswith('cygwin'):
218 hosthost_platform
= 'cygwin'
219 host_machine
= os
.environ
.get('PROCESSOR_ARCHITEW6432', os
.environ
.get('PROCESSOR_ARCHITECTURE', host_platform
.machine()))
229 }.get(host_machine
, 'generic')
230 env
['crosscompile'] = platform
!= hosthost_platform
231 if machine
== 'x86_64' and host_machine
!= 'x86_64':
232 env
['crosscompile'] = True
233 env
['hostonly'] = False
235 # Backwards compatability with the debug= profile= options
236 if env
['build'] == 'debug':
238 print 'scons: warning: debug option is deprecated and will be removed eventually; use instead'
240 print ' scons build=release'
242 env
['build'] = 'release'
244 print 'scons: warning: profile option is deprecated and will be removed eventually; use instead'
246 print ' scons build=profile'
248 env
['build'] = 'profile'
250 # Enforce SConscripts to use the new build variable
252 env
.popitem('profile')
254 # Backwards portability with older sconscripts
255 if env
['build'] in ('debug', 'checked'):
257 env
['profile'] = False
258 if env
['build'] == 'profile':
260 env
['profile'] = True
261 if env
['build'] == 'release':
263 env
['profile'] = False
265 # Put build output in a separate dir, which depends on the current
266 # configuration. See also http://www.scons.org/wiki/AdvancedBuildExample
267 build_topdir
= 'build'
268 build_subdir
= env
['platform']
270 build_subdir
= 'embedded-' + build_subdir
271 if env
['machine'] != 'generic':
272 build_subdir
+= '-' + env
['machine']
273 if env
['build'] != 'release':
274 build_subdir
+= '-' + env
['build']
275 build_dir
= os
.path
.join(build_topdir
, build_subdir
)
276 # Place the .sconsign file in the build dir too, to avoid issues with
277 # different scons versions building the same source file
278 env
['build_dir'] = build_dir
279 env
.SConsignFile(os
.path
.join(build_dir
, '.sconsign'))
280 if 'SCONS_CACHE_DIR' in os
.environ
:
281 print 'scons: Using build cache in %s.' % (os
.environ
['SCONS_CACHE_DIR'],)
282 env
.CacheDir(os
.environ
['SCONS_CACHE_DIR'])
283 env
['CONFIGUREDIR'] = os
.path
.join(build_dir
, 'conf')
284 env
['CONFIGURELOG'] = os
.path
.join(os
.path
.abspath(build_dir
), 'config.log')
287 if env
.GetOption('num_jobs') <= 1:
288 env
.SetOption('num_jobs', num_jobs())
290 env
.Decider('MD5-timestamp')
291 env
.SetOption('max_drift', 60)
293 # C preprocessor options
295 cppdefines
+= ['__STDC_LIMIT_MACROS', '__STDC_CONSTANT_MACROS']
296 if env
['build'] in ('debug', 'checked'):
297 cppdefines
+= ['DEBUG']
299 cppdefines
+= ['NDEBUG']
300 if env
['build'] == 'profile':
301 cppdefines
+= ['PROFILE']
302 if env
['platform'] in ('posix', 'linux', 'freebsd', 'darwin'):
305 ('_POSIX_C_SOURCE', '199309L'),
311 'HAVE_POSIX_MEMALIGN',
313 if env
['platform'] == 'darwin':
317 'GLX_DIRECT_RENDERING',
321 'GLX_DIRECT_RENDERING',
322 'GLX_INDIRECT_RENDERING',
324 if env
['platform'] in ('linux', 'freebsd'):
325 cppdefines
+= ['HAVE_ALIAS']
327 cppdefines
+= ['GLX_ALIAS_UNSUPPORTED']
329 if env
['platform'] in ('linux', 'darwin'):
330 cppdefines
+= ['HAVE_XLOCALE_H']
332 if env
['platform'] == 'haiku':
335 'HAVE_POSIX_MEMALIGN'
337 if platform
== 'windows':
343 # http://msdn.microsoft.com/en-us/library/aa383745.aspx
344 ('_WIN32_WINNT', '0x0601'),
345 ('WINVER', '0x0601'),
348 cppdefines
+= [('__MSVCRT_VERSION__', '0x0700')]
353 '_CRT_SECURE_NO_WARNINGS',
354 '_CRT_SECURE_NO_DEPRECATE',
355 '_SCL_SECURE_NO_WARNINGS',
356 '_SCL_SECURE_NO_DEPRECATE',
357 '_ALLOW_KEYWORD_MACROS',
358 '_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
360 if env
['build'] in ('debug', 'checked'):
361 cppdefines
+= ['_DEBUG']
362 if platform
== 'windows':
363 cppdefines
+= ['PIPE_SUBSYSTEM_WINDOWS_USER']
365 cppdefines
+= ['PIPE_SUBSYSTEM_EMBEDDED']
366 if env
['texture_float']:
367 print 'warning: Floating-point textures enabled.'
368 print 'warning: Please consult docs/patents.txt with your lawyer before building Mesa.'
369 cppdefines
+= ['TEXTURE_FLOAT_ENABLED']
371 ccversion
= env
['CCVERSION']
373 'HAVE___BUILTIN_EXPECT',
374 'HAVE___BUILTIN_FFS',
375 'HAVE___BUILTIN_FFSLL',
376 'HAVE_FUNC_ATTRIBUTE_FLATTEN',
377 'HAVE_FUNC_ATTRIBUTE_UNUSED',
379 'HAVE_FUNC_ATTRIBUTE_FORMAT',
380 'HAVE_FUNC_ATTRIBUTE_PACKED',
382 'HAVE___BUILTIN_CTZ',
383 'HAVE___BUILTIN_POPCOUNT',
384 'HAVE___BUILTIN_POPCOUNTLL',
385 'HAVE___BUILTIN_CLZ',
386 'HAVE___BUILTIN_CLZLL',
388 if distutils
.version
.LooseVersion(ccversion
) >= distutils
.version
.LooseVersion('4.5'):
389 cppdefines
+= ['HAVE___BUILTIN_UNREACHABLE']
390 env
.Append(CPPDEFINES
= cppdefines
)
395 ccflags
= [] # C & C++
397 ccversion
= env
['CCVERSION']
398 if env
['build'] == 'debug':
400 elif env
['gcc'] and ccversion
.startswith('4.2.'):
401 # gcc 4.2.x optimizer is broken
402 print "warning: gcc 4.2.x optimizer is broken -- disabling optimizations"
407 # gcc's builtin memcmp is slower than glibc's
408 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
409 ccflags
+= ['-fno-builtin-memcmp']
410 # Work around aliasing bugs - developers should comment this out
411 ccflags
+= ['-fno-strict-aliasing']
413 if env
['build'] in ('checked', 'profile'):
414 # See http://code.google.com/p/jrfonseca/wiki/Gprof2Dot#Which_options_should_I_pass_to_gcc_when_compiling_for_profiling?
416 '-fno-omit-frame-pointer',
419 ccflags
+= ['-fno-optimize-sibling-calls']
420 if env
['machine'] == 'x86':
425 if platform
!= 'haiku':
426 # NOTE: We need to ensure stack is realigned given that we
427 # produce shared objects, and have no control over the stack
428 # alignment policy of the application. Therefore we need
429 # -mstackrealign ore -mincoming-stack-boundary=2.
431 # XXX: We could have SSE without -mstackrealign if we always used
432 # __attribute__((force_align_arg_pointer)), but that's not
435 '-mstackrealign', # ensure stack is aligned
436 '-msse', '-msse2', # enable SIMD intrinsics
437 '-mfpmath=sse', # generate SSE floating-point arithmetic
439 if platform
in ['windows', 'darwin']:
440 # Workaround http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216
441 ccflags
+= ['-fno-common']
442 if platform
in ['haiku']:
443 # Make optimizations compatible with Pentium or higher on Haiku
445 '-mstackrealign', # ensure stack is aligned
446 '-march=i586', # Haiku target is Pentium
447 '-mtune=i686' # use i686 where we can
449 if env
['machine'] == 'x86_64':
451 if platform
== 'darwin':
452 ccflags
+= ['-fno-common']
453 if env
['platform'] not in ('cygwin', 'haiku', 'windows'):
454 ccflags
+= ['-fvisibility=hidden']
456 # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
460 '-fmessage-length=0', # be nice to Eclipse
463 '-Wmissing-prototypes',
472 # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
474 if env
['build'] == 'debug':
476 '/Od', # disable optimizations
477 '/Oi', # enable intrinsic functions
481 '/O2', # optimize for speed
483 if env
['build'] == 'release':
485 '/GL', # enable whole program optimization
489 '/Oy-', # disable frame pointer omission
490 '/GL-', # disable whole program optimization
493 '/W3', # warning level
494 '/wd4018', # signed/unsigned mismatch
495 '/wd4056', # overflow in floating-point constant arithmetic
496 '/wd4244', # conversion from 'type1' to 'type2', possible loss of data
497 '/wd4267', # 'var' : conversion from 'size_t' to 'type', possible loss of data
498 '/wd4305', # truncation from 'type1' to 'type2'
499 '/wd4351', # new behavior: elements of array 'array' will be default initialized
500 '/wd4756', # overflow in constant arithmetic
501 '/wd4800', # forcing value to bool 'true' or 'false' (performance warning)
502 '/wd4996', # disable deprecated POSIX name warnings
504 if env
['machine'] == 'x86':
506 '/arch:SSE2', # use the SSE2 instructions (default since MSVC 2012)
508 if platform
== 'windows':
512 # Automatic pdb generation
513 # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
514 env
.EnsureSConsVersion(0, 98, 0)
515 env
['PDB'] = '${TARGET.base}.pdb'
516 env
.Append(CCFLAGS
= ccflags
)
517 env
.Append(CFLAGS
= cflags
)
518 env
.Append(CXXFLAGS
= cxxflags
)
520 if env
['platform'] == 'windows' and msvc
:
521 # Choose the appropriate MSVC CRT
522 # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx
523 if env
['build'] in ('debug', 'checked'):
524 env
.Append(CCFLAGS
= ['/MTd'])
525 env
.Append(SHCCFLAGS
= ['/LDd'])
527 env
.Append(CCFLAGS
= ['/MT'])
528 env
.Append(SHCCFLAGS
= ['/LD'])
530 # Static code analysis
533 # http://msdn.microsoft.com/en-us/library/ms173498.aspx
534 env
.Append(CCFLAGS
= [
536 #'/analyze:log', '${TARGET.base}.xml',
537 '/wd28251', # Inconsistent annotation for function
540 # scan-build will produce more comprehensive output
541 env
.Append(CCFLAGS
= ['--analyze'])
545 if env
['machine'] == 'x86':
546 env
.Append(ASFLAGS
= ['-m32'])
547 if env
['machine'] == 'x86_64':
548 env
.Append(ASFLAGS
= ['-m64'])
554 if env
['machine'] == 'x86':
555 linkflags
+= ['-m32']
556 if env
['machine'] == 'x86_64':
557 linkflags
+= ['-m64']
558 if env
['platform'] not in ('darwin'):
562 # Handle circular dependencies in the libraries
563 if env
['platform'] in ('darwin'):
566 env
['_LIBFLAGS'] = '-Wl,--start-group ' + env
['_LIBFLAGS'] + ' -Wl,--end-group'
567 if env
['platform'] == 'windows':
569 '-Wl,--nxcompat', # DEP
570 '-Wl,--dynamicbase', # ASLR
572 # Avoid depending on gcc runtime DLLs
573 linkflags
+= ['-static-libgcc']
574 if 'w64' in env
['CC'].split('-'):
575 linkflags
+= ['-static-libstdc++']
576 # Handle the @xx symbol munging of DLL exports
577 shlinkflags
+= ['-Wl,--enable-stdcall-fixup']
578 #shlinkflags += ['-Wl,--kill-at']
580 if env
['build'] == 'release':
581 # enable Link-time Code Generation
582 linkflags
+= ['/LTCG']
583 env
.Append(ARFLAGS
= ['/LTCG'])
584 if platform
== 'windows' and msvc
:
586 # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
590 '/dynamicbase', # ASLR
593 env
.Append(LINKFLAGS
= linkflags
)
594 env
.Append(SHLINKFLAGS
= shlinkflags
)
596 # We have C++ in several libraries, so always link with the C++ compiler
598 env
['LINK'] = env
['CXX']
602 if env
['platform'] in ('darwin', 'freebsd', 'linux', 'posix', 'sunos'):
603 libs
+= ['m', 'pthread', 'dl']
604 if env
['platform'] in ('linux',):
606 if env
['platform'] in ('haiku'):
607 libs
+= ['root', 'be', 'network', 'translation']
608 env
.Append(LIBS
= libs
)
613 env
.Append(CCFLAGS
= ['/openmp'])
614 # When building openmp release VS2008 link.exe crashes with LNK1103 error.
615 # Workaround: overwrite PDB flags with empty value as it isn't required anyways
616 if env
['build'] == 'release':
619 env
.Append(CCFLAGS
= ['-fopenmp'])
620 env
.Append(LIBS
= ['gomp'])
625 env
.Append(LEXFLAGS
= [
626 # Force flex to use const keyword in prototypes, as relies on
627 # __cplusplus or __STDC__ macro to determine whether it's safe to
628 # use const keyword, but MSVC never defines __STDC__ unless we
629 # disable all MSVC extensions.
632 # Flex relies on __STDC_VERSION__>=199901L to decide when to include
633 # C99 inttypes.h. We always have inttypes.h available with MSVC
634 # (either the one bundled with MSVC 2013, or the one we bundle
635 # ourselves), but we can't just define __STDC_VERSION__ without
636 # breaking stuff, as MSVC doesn't fully support C99. There's also no
637 # way to premptively include stdint.
638 env
.Append(CCFLAGS
= ['-FIinttypes.h'])
639 if host_platform
.system() == 'Windows':
640 # Prefer winflexbison binaries, as not only they are easier to install
641 # (no additional dependencies), but also better Windows support.
642 if check_prog(env
, 'win_flex'):
643 env
["LEX"] = 'win_flex'
644 env
.Append(LEXFLAGS
= [
645 # windows compatibility (uses <io.h> instead of <unistd.h> and
646 # _isatty, _fileno functions)
651 if host_platform
.system() == 'Windows':
652 if check_prog(env
, 'win_bison'):
653 env
["YACC"] = 'win_bison'
658 # Custom builders and methods
660 createInstallMethods(env
)
661 createMSVCCompatMethods(env
)
663 env
.PkgCheckModules('X11', ['x11', 'xext', 'xdamage', 'xfixes', 'glproto >= 1.4.13'])
664 env
.PkgCheckModules('XCB', ['x11-xcb', 'xcb-glx >= 1.8.1', 'xcb-dri2 >= 1.8'])
665 env
.PkgCheckModules('XF86VIDMODE', ['xxf86vm'])
666 env
.PkgCheckModules('DRM', ['libdrm >= 2.4.38'])
667 env
.PkgCheckModules('UDEV', ['libudev >= 151'])
670 env
.Append(CPPPATH
= env
['X11_CPPPATH'])
672 env
['dri'] = env
['x11'] and env
['drm']