696ddd025ff5bf4c5f4b601e97a466ab0a8e526c
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.
42 def quietCommandLines(env
):
44 # See also http://www.scons.org/wiki/HidingCommandLinesInOutput
45 env
['CCCOMSTR'] = "Compiling $SOURCE ..."
46 env
['CXXCOMSTR'] = "Compiling $SOURCE ..."
47 env
['ARCOMSTR'] = "Archiving $TARGET ..."
48 env
['RANLIBCOMSTR'] = ""
49 env
['LINKCOMSTR'] = "Linking $TARGET ..."
52 def createConvenienceLibBuilder(env
):
53 """This is a utility function that creates the ConvenienceLibrary
54 Builder in an Environment if it is not there already.
56 If it is already there, we return the existing one.
58 Based on the stock StaticLibrary and SharedLibrary builders.
62 convenience_lib
= env
['BUILDERS']['ConvenienceLibrary']
64 action_list
= [ SCons
.Action
.Action("$ARCOM", "$ARCOMSTR") ]
65 if env
.Detect('ranlib'):
66 ranlib_action
= SCons
.Action
.Action("$RANLIBCOM", "$RANLIBCOMSTR")
67 action_list
.append(ranlib_action
)
69 convenience_lib
= SCons
.Builder
.Builder(action
= action_list
,
70 emitter
= '$LIBEMITTER',
71 prefix
= '$LIBPREFIX',
72 suffix
= '$LIBSUFFIX',
73 src_suffix
= '$SHOBJSUFFIX',
74 src_builder
= 'SharedObject')
75 env
['BUILDERS']['ConvenienceLibrary'] = convenience_lib
77 return convenience_lib
80 # TODO: handle import statements with multiple modules
81 # TODO: handle from import statements
82 import_re
= re
.compile(r
'^import\s+(\S+)$', re
.M
)
84 def python_scan(node
, env
, path
):
85 # http://www.scons.org/doc/0.98.5/HTML/scons-user/c2781.html#AEN2789
86 contents
= node
.get_contents()
87 source_dir
= node
.get_dir()
88 imports
= import_re
.findall(contents
)
92 file = os
.path
.join(str(dir), imp
.replace('.', os
.sep
) + '.py')
93 if os
.path
.exists(file):
94 results
.append(env
.File(file))
96 file = os
.path
.join(str(dir), imp
.replace('.', os
.sep
), '__init__.py')
97 if os
.path
.exists(file):
98 results
.append(env
.File(file))
102 python_scanner
= SCons
.Scanner
.Scanner(function
= python_scan
, skeys
= ['.py'])
105 def code_generate(env
, script
, target
, source
, command
):
106 """Method to simplify code generation via python scripts.
108 http://www.scons.org/wiki/UsingCodeGenerators
109 http://www.scons.org/doc/0.98.5/HTML/scons-user/c2768.html
112 # We're generating code using Python scripts, so we have to be
113 # careful with our scons elements. This entry represents
114 # the generator file *in the source directory*.
115 script_src
= env
.File(script
).srcnode()
117 # This command creates generated code *in the build directory*.
118 command
= command
.replace('$SCRIPT', script_src
.path
)
119 code
= env
.Command(target
, source
, command
)
121 # Explicitly mark that the generated code depends on the generator,
122 # and on implicitly imported python modules
123 path
= (script_src
.get_dir(),)
125 deps
+= script_src
.get_implicit_deps(env
, python_scanner
, path
)
126 env
.Depends(code
, deps
)
128 # Running the Python script causes .pyc files to be generated in the
129 # source directory. When we clean up, they should go too. So add side
130 # effects for .pyc files
132 pyc
= env
.File(str(dep
) + 'c')
133 env
.SideEffect(pyc
, code
)
138 def createCodeGenerateMethod(env
):
139 env
.Append(SCANNERS
= python_scanner
)
140 env
.AddMethod(code_generate
, 'CodeGenerate')
143 def symlink(target
, source
, env
):
144 target
= str(target
[0])
145 source
= str(source
[0])
146 if os
.path
.islink(target
) or os
.path
.exists(target
):
148 os
.symlink(os
.path
.basename(source
), target
)
150 def install_shared_library(env
, source
, version
= ()):
151 source
= str(source
[0])
152 version
= tuple(map(str, version
))
153 target_dir
= os
.path
.join(env
.Dir('#.').srcnode().abspath
, env
['build'], 'lib')
154 target_name
= '.'.join((str(source
),) + version
)
155 last
= env
.InstallAs(os
.path
.join(target_dir
, target_name
), source
)
157 version
= version
[:-1]
158 target_name
= '.'.join((str(source
),) + version
)
159 action
= SCons
.Action
.Action(symlink
, "$TARGET -> $SOURCE")
160 last
= env
.Command(os
.path
.join(target_dir
, target_name
), last
, action
)
162 def createInstallMethods(env
):
163 env
.AddMethod(install_shared_library
, 'InstallSharedLibrary')
168 return int(os
.environ
['NUMBER_OF_PROCESSORS'])
169 except (ValueError, KeyError):
173 return os
.sysconf('SC_NPROCESSORS_ONLN')
174 except (ValueError, OSError, AttributeError):
178 return int(os
.popen2("sysctl -n hw.ncpu")[1].read())
186 """Common environment generation code"""
188 # FIXME: this is already too late
189 #if env.get('quiet', False):
190 # quietCommandLines(env)
193 platform
= env
['platform']
194 if env
['toolchain'] == 'default':
195 if platform
== 'winddk':
196 env
['toolchain'] = 'winddk'
197 elif platform
== 'wince':
198 env
['toolchain'] = 'wcesdk'
199 env
.Tool(env
['toolchain'])
201 env
['gcc'] = 'gcc' in os
.path
.basename(env
['CC']).split('-')
202 env
['msvc'] = env
['CC'] == 'cl'
206 machine
= env
['machine']
207 platform
= env
['platform']
208 x86
= env
['machine'] == 'x86'
209 ppc
= env
['machine'] == 'ppc'
213 # Put build output in a separate dir, which depends on the current
214 # configuration. See also http://www.scons.org/wiki/AdvancedBuildExample
215 build_topdir
= 'build'
216 build_subdir
= env
['platform']
218 build_subdir
+= "-llvm"
219 if env
['machine'] != 'generic':
220 build_subdir
+= '-' + env
['machine']
222 build_subdir
+= "-debug"
224 build_subdir
+= "-profile"
225 build_dir
= os
.path
.join(build_topdir
, build_subdir
)
226 # Place the .sconsign file in the build dir too, to avoid issues with
227 # different scons versions building the same source file
228 env
['build'] = build_dir
229 env
.SConsignFile(os
.path
.join(build_dir
, '.sconsign'))
230 env
.CacheDir('build/cache')
233 if env
.GetOption('num_jobs') <= 1:
234 env
.SetOption('num_jobs', num_jobs())
236 # C preprocessor options
239 cppdefines
+= ['DEBUG']
241 cppdefines
+= ['NDEBUG']
243 cppdefines
+= ['PROFILE']
244 if platform
== 'windows':
250 ('_WIN32_WINNT', '0x0501'), # minimum required OS version
251 ('WINVER', '0x0501'),
252 # http://msdn2.microsoft.com/en-us/library/6dwk3a1z.aspx,
253 'WIN32_LEAN_AND_MEAN',
255 if msvc
and env
['toolchain'] != 'winddk':
258 '_CRT_SECURE_NO_DEPRECATE',
261 cppdefines
+= ['_DEBUG']
262 if env
['toolchain'] == 'winddk':
263 # Mimic WINDDK's builtin flags. See also:
264 # - WINDDK's bin/makefile.new i386mk.inc for more info.
265 # - buildchk_wxp_x86.log files, generated by the WINDDK's build
266 # - http://alter.org.ua/docs/nt_kernel/vc8_proj/
268 cppdefines
+= ['_X86_', 'i386']
269 if machine
== 'x86_64':
270 cppdefines
+= ['_AMD64_', 'AMD64']
271 if platform
== 'winddk':
274 ('CONDITION_HANDLING', '1'),
279 ('_WIN32_WINNT', '0x0501'), # minimum required OS version
280 ('WINVER', '0x0501'),
281 ('_WIN32_IE', '0x0603'),
282 ('WIN32_LEAN_AND_MEAN', '1'),
284 ('__BUILDMACHINE__', 'WinDDK'),
288 cppdefines
+= [('DBG', 1)]
289 if platform
== 'wince':
291 '_CRT_SECURE_NO_DEPRECATE',
296 ('_WIN32_WCE', '0x600'),
304 ('INTLMSG_CODEPAGE', '1252'),
306 if platform
== 'windows':
307 cppdefines
+= ['PIPE_SUBSYSTEM_WINDOWS_USER']
308 if platform
== 'winddk':
309 cppdefines
+= ['PIPE_SUBSYSTEM_WINDOWS_DISPLAY']
310 if platform
== 'wince':
311 cppdefines
+= ['PIPE_SUBSYSTEM_WINDOWS_CE']
312 cppdefines
+= ['PIPE_SUBSYSTEM_WINDOWS_CE_OGL']
313 env
.Append(CPPDEFINES
= cppdefines
)
319 cflags
+= ['-O0', '-g3']
321 cflags
+= ['-O3', '-g3']
324 if env
['machine'] == 'x86':
328 '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
331 if env
['machine'] == 'x86_64':
334 # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
336 '-Werror=declaration-after-statement',
338 '-Wmissing-prototypes',
339 '-Wmissing-field-initializers',
344 '-fmessage-length=0', # be nice to Eclipse
348 # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
352 '/Od', # disable optimizations
353 '/Oi', # enable intrinsic functions
354 '/Oy-', # disable frame pointer omission
355 '/GL-', # disable whole program optimization
359 '/Ox', # maximum optimizations
360 '/Oi', # enable intrinsic functions
361 '/Ot', # favor code speed
362 #'/fp:fast', # fast floating point
366 '/Gh', # enable _penter hook function
367 '/GH', # enable _pexit hook function
370 '/W3', # warning level
371 #'/Wp64', # enable 64 bit porting warnings
373 if env
['machine'] == 'x86':
375 #'/QIfist', # Suppress _ftol
376 #'/arch:SSE2', # use the SSE2 instructions
378 if platform
== 'windows':
382 if platform
== 'winddk':
384 '/Zl', # omit default library name in .OBJ
385 '/Zp8', # 8bytes struct member alignment
386 '/Gy', # separate functions for linker
387 '/Gm-', # disable minimal rebuild
388 '/WX', # treat warnings as errors
389 '/Gz', # __stdcall Calling convention
390 '/GX-', # disable C++ EH
391 '/GR-', # disable C++ RTTI
392 '/GF', # enable read-only string pooling
393 '/G6', # optimize for PPro, P-II, P-III
394 '/Ze', # enable extensions
395 '/Gi-', # disable incremental compilation
396 '/QIfdiv-', # disable Pentium FDIV fix
397 '/hotpatch', # prepares an image for hotpatching.
398 #'/Z7', #enable old-style debug info
400 if platform
== 'wince':
401 # See also C:\WINCE600\public\common\oak\misc\makefile.def
403 '/Zl', # omit default library name in .OBJ
404 '/GF', # enable read-only string pooling
405 '/GR-', # disable C++ RTTI
406 '/GS', # enable security checks
407 # Allow disabling language conformance to maintain backward compat
408 #'/Zc:wchar_t-', # don't force wchar_t as native type, instead of typedef
409 #'/Zc:forScope-', # don't enforce Standard C++ for scoping rules
415 # Automatic pdb generation
416 # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
417 env
.EnsureSConsVersion(0, 98, 0)
418 env
['PDB'] = '${TARGET.base}.pdb'
419 env
.Append(CFLAGS
= cflags
)
420 env
.Append(CXXFLAGS
= cflags
)
422 if env
['platform'] == 'windows' and msvc
:
423 # Choose the appropriate MSVC CRT
424 # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx
426 env
.Append(CCFLAGS
= ['/MTd'])
427 env
.Append(SHCCFLAGS
= ['/LDd'])
429 env
.Append(CCFLAGS
= ['/MT'])
430 env
.Append(SHCCFLAGS
= ['/LD'])
434 if env
['machine'] == 'x86':
435 env
.Append(ASFLAGS
= ['-m32'])
436 if env
['machine'] == 'x86_64':
437 env
.Append(ASFLAGS
= ['-m64'])
442 if env
['machine'] == 'x86':
443 linkflags
+= ['-m32']
444 if env
['machine'] == 'x86_64':
445 linkflags
+= ['-m64']
446 if platform
== 'windows' and msvc
:
448 # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
453 if platform
== 'winddk':
456 '/merge:_TEXT=.text',
460 '/ignore:4198,4010,4037,4039,4065,4070,4078,4087,4089,4221',
473 '/stack:0x40000,0x1000',
476 '/subsystem:native,5.01',
479 '/entry:DrvEnableDriver',
481 if env
['debug'] or env
['profile']:
483 '/MAP', # http://msdn.microsoft.com/en-us/library/k7xkk3e2.aspx
485 if platform
== 'wince':
490 '/entry:_DllMainCRTStartup',
492 env
.Append(LINKFLAGS
= linkflags
)
495 env
.Append(LIBS
= [])
497 # Custom builders and methods
498 createConvenienceLibBuilder(env
)
499 createCodeGenerateMethod(env
)
500 createInstallMethods(env
)