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')
167 """Common environment generation code"""
169 # FIXME: this is already too late
170 #if env.get('quiet', False):
171 # quietCommandLines(env)
174 platform
= env
['platform']
175 if env
['toolchain'] == 'default':
176 if platform
== 'winddk':
177 env
['toolchain'] = 'winddk'
178 elif platform
== 'wince':
179 env
['toolchain'] = 'wcesdk'
180 env
.Tool(env
['toolchain'])
184 machine
= env
['machine']
185 platform
= env
['platform']
186 x86
= env
['machine'] == 'x86'
187 ppc
= env
['machine'] == 'ppc'
188 gcc
= env
['platform'] in ('linux', 'freebsd', 'darwin') or env
['toolchain'] == 'crossmingw'
189 msvc
= env
['platform'] in ('windows', 'winddk', 'wince') and env
['toolchain'] != 'crossmingw'
191 # Put build output in a separate dir, which depends on the current
192 # configuration. See also http://www.scons.org/wiki/AdvancedBuildExample
193 build_topdir
= 'build'
194 build_subdir
= env
['platform']
196 build_subdir
+= "-llvm"
197 if env
['machine'] != 'generic':
198 build_subdir
+= '-' + env
['machine']
200 build_subdir
+= "-debug"
202 build_subdir
+= "-profile"
203 build_dir
= os
.path
.join(build_topdir
, build_subdir
)
204 # Place the .sconsign file in the build dir too, to avoid issues with
205 # different scons versions building the same source file
206 env
['build'] = build_dir
207 env
.SConsignFile(os
.path
.join(build_dir
, '.sconsign'))
208 env
.CacheDir('build/cache')
210 # C preprocessor options
213 cppdefines
+= ['DEBUG']
215 cppdefines
+= ['NDEBUG']
217 cppdefines
+= ['PROFILE']
218 if platform
== 'windows':
224 ('_WIN32_WINNT', '0x0501'), # minimum required OS version
225 ('WINVER', '0x0501'),
226 # http://msdn2.microsoft.com/en-us/library/6dwk3a1z.aspx,
227 'WIN32_LEAN_AND_MEAN',
229 '_CRT_SECURE_NO_DEPRECATE',
232 cppdefines
+= ['_DEBUG']
233 if platform
== 'winddk':
234 # Mimic WINDDK's builtin flags. See also:
235 # - WINDDK's bin/makefile.new i386mk.inc for more info.
236 # - buildchk_wxp_x86.log files, generated by the WINDDK's build
237 # - http://alter.org.ua/docs/nt_kernel/vc8_proj/
242 ('CONDITION_HANDLING', '1'),
247 ('_WIN32_WINNT', '0x0501'), # minimum required OS version
248 ('WINVER', '0x0501'),
249 ('_WIN32_IE', '0x0603'),
250 ('WIN32_LEAN_AND_MEAN', '1'),
252 ('__BUILDMACHINE__', 'WinDDK'),
256 cppdefines
+= [('DBG', 1)]
257 if platform
== 'wince':
259 '_CRT_SECURE_NO_DEPRECATE',
264 ('_WIN32_WCE', '0x600'),
272 ('INTLMSG_CODEPAGE', '1252'),
274 if platform
== 'windows':
275 cppdefines
+= ['PIPE_SUBSYSTEM_WINDOWS_USER']
276 if platform
== 'winddk':
277 cppdefines
+= ['PIPE_SUBSYSTEM_WINDOWS_DISPLAY']
278 if platform
== 'wince':
279 cppdefines
+= ['PIPE_SUBSYSTEM_WINDOWS_CE']
280 cppdefines
+= ['PIPE_SUBSYSTEM_WINDOWS_CE_OGL']
281 env
.Append(CPPDEFINES
= cppdefines
)
283 # C preprocessor includes
284 if platform
== 'winddk':
285 env
.Append(CPPPATH
= [
296 cflags
+= ['-O0', '-g3']
298 cflags
+= ['-O3', '-g3']
301 if env
['machine'] == 'x86':
305 '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
308 if env
['machine'] == 'x86_64':
312 '-Wmissing-prototypes',
316 '-fmessage-length=0', # be nice to Eclipse
320 # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
324 '/Od', # disable optimizations
325 '/Oi', # enable intrinsic functions
326 '/Oy-', # disable frame pointer omission
330 '/Ox', # maximum optimizations
331 '/Oi', # enable intrinsic functions
332 '/Ot', # favor code speed
333 #'/fp:fast', # fast floating point
337 '/Gh', # enable _penter hook function
338 '/GH', # enable _pexit hook function
341 '/W3', # warning level
342 #'/Wp64', # enable 64 bit porting warnings
344 if env
['machine'] == 'x86':
346 #'/QIfist', # Suppress _ftol
347 #'/arch:SSE2', # use the SSE2 instructions
349 if platform
== 'windows':
353 if platform
== 'winddk':
355 '/Zl', # omit default library name in .OBJ
356 '/Zp8', # 8bytes struct member alignment
357 '/Gy', # separate functions for linker
358 '/Gm-', # disable minimal rebuild
359 '/WX', # treat warnings as errors
360 '/Gz', # __stdcall Calling convention
361 '/GX-', # disable C++ EH
362 '/GR-', # disable C++ RTTI
363 '/GF', # enable read-only string pooling
364 '/G6', # optimize for PPro, P-II, P-III
365 '/Ze', # enable extensions
366 '/Gi-', # disable incremental compilation
367 '/QIfdiv-', # disable Pentium FDIV fix
368 '/hotpatch', # prepares an image for hotpatching.
369 #'/Z7', #enable old-style debug info
371 if platform
== 'wince':
372 # See also C:\WINCE600\public\common\oak\misc\makefile.def
374 '/Zl', # omit default library name in .OBJ
375 '/GF', # enable read-only string pooling
376 '/GR-', # disable C++ RTTI
377 '/GS', # enable security checks
378 # Allow disabling language conformance to maintain backward compat
379 #'/Zc:wchar_t-', # don't force wchar_t as native type, instead of typedef
380 #'/Zc:forScope-', # don't enforce Standard C++ for scoping rules
386 # Automatic pdb generation
387 # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
388 env
.EnsureSConsVersion(0, 98, 0)
389 env
['PDB'] = '${TARGET.base}.pdb'
390 env
.Append(CFLAGS
= cflags
)
391 env
.Append(CXXFLAGS
= cflags
)
393 if env
['platform'] == 'windows' and msvc
:
394 # Choose the appropriate MSVC CRT
395 # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx
397 env
.Append(CCFLAGS
= ['/MTd'])
398 env
.Append(SHCCFLAGS
= ['/LDd'])
400 env
.Append(CCFLAGS
= ['/MT'])
401 env
.Append(SHCCFLAGS
= ['/LD'])
405 if env
['machine'] == 'x86':
406 env
.Append(ASFLAGS
= ['-m32'])
407 if env
['machine'] == 'x86_64':
408 env
.Append(ASFLAGS
= ['-m64'])
413 if env
['machine'] == 'x86':
414 linkflags
+= ['-m32']
415 if env
['machine'] == 'x86_64':
416 linkflags
+= ['-m64']
417 if platform
== 'winddk':
419 # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
422 '/merge:_TEXT=.text',
426 '/ignore:4198,4010,4037,4039,4065,4070,4078,4087,4089,4221',
439 '/stack:0x40000,0x1000',
442 '/subsystem:native,5.01',
445 '/entry:DrvEnableDriver',
449 '/MAP', # http://msdn.microsoft.com/en-us/library/k7xkk3e2.aspx
451 if platform
== 'wince':
456 '/entry:_DllMainCRTStartup',
458 env
.Append(LINKFLAGS
= linkflags
)
461 env
.Append(LIBS
= [])
463 # Custom builders and methods
464 createConvenienceLibBuilder(env
)
465 createCodeGenerateMethod(env
)
466 createInstallMethods(env
)