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)
175 machine = env['machine']
176 platform = env['platform']
177 x86 = env['machine'] == 'x86'
178 gcc = env['platform'] in ('linux', 'freebsd', 'darwin')
179 msvc = env['platform'] in ('windows', 'winddk', 'wince')
182 if platform == 'winddk':
184 elif platform == 'wince':
189 # Put build output in a separate dir, which depends on the current
190 # configuration. See also http://www.scons.org/wiki/AdvancedBuildExample
191 build_topdir = 'build'
192 build_subdir = env['platform']
194 build_subdir += "-dri"
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'))
209 # C preprocessor options
212 cppdefines += ['DEBUG']
214 cppdefines += ['NDEBUG']
216 cppdefines += ['PROFILE']
217 if platform == 'windows':
223 # http://msdn2.microsoft.com/en-us/library/6dwk3a1z.aspx,
224 'WIN32_LEAN_AND_MEAN',
226 '_CRT_SECURE_NO_DEPRECATE',
229 cppdefines += ['_DEBUG']
230 if platform == 'winddk':
231 # Mimic WINDDK's builtin flags. See also:
232 # - WINDDK's bin/makefile.new i386mk.inc for more info.
233 # - buildchk_wxp_x86.log files, generated by the WINDDK's build
234 # - http://alter.org.ua/docs/nt_kernel/vc8_proj/
239 ('CONDITION_HANDLING', '1'),
244 ('_WIN32_WINNT', '0x0501'), # minimum required OS version
245 ('WINVER', '0x0501'),
246 ('_WIN32_IE', '0x0603'),
247 ('WIN32_LEAN_AND_MEAN', '1'),
249 ('__BUILDMACHINE__', 'WinDDK'),
253 cppdefines += [('DBG', 1)]
254 if platform == 'wince':
256 '_CRT_SECURE_NO_DEPRECATE',
261 ('_WIN32_WCE', '0x600'),
269 ('INTLMSG_CODEPAGE', '1252'),
271 if platform == 'windows':
272 cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_USER']
273 if platform == 'winddk':
274 cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_DISPLAY']
275 if platform == 'wince':
276 cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_CE']
277 env.Append(CPPDEFINES = cppdefines)
279 # C preprocessor includes
280 if platform == 'winddk':
281 env.Append(CPPPATH = [
292 cflags += ['-O0', '-g3']
294 cflags += ['-O3', '-g3']
297 if env['machine'] == 'x86':
301 '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
304 if env['machine'] == 'x86_64':
308 '-Wmissing-prototypes',
312 '-fmessage-length=0', # be nice to Eclipse
316 # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
320 '/Od', # disable optimizations
321 '/Oi', # enable intrinsic functions
322 '/Oy-', # disable frame pointer omission
326 '/Ox', # maximum optimizations
327 '/Oi', # enable intrinsic functions
328 '/Ot', # favor code speed
329 #'/fp:fast', # fast floating point
333 '/Gh', # enable _penter hook function
334 '/GH', # enable _pexit hook function
337 '/W3', # warning level
338 #'/Wp64', # enable 64 bit porting warnings
340 if env['machine'] == 'x86':
342 #'/QIfist', # Suppress _ftol
343 #'/arch:SSE2', # use the SSE2 instructions
345 if platform == 'windows':
349 if platform == 'winddk':
351 '/Zl', # omit default library name in .OBJ
352 '/Zp8', # 8bytes struct member alignment
353 '/Gy', # separate functions for linker
354 '/Gm-', # disable minimal rebuild
355 '/WX', # treat warnings as errors
356 '/Gz', # __stdcall Calling convention
357 '/GX-', # disable C++ EH
358 '/GR-', # disable C++ RTTI
359 '/GF', # enable read-only string pooling
360 '/G6', # optimize for PPro, P-II, P-III
361 '/Ze', # enable extensions
362 '/Gi-', # disable incremental compilation
363 '/QIfdiv-', # disable Pentium FDIV fix
364 '/hotpatch', # prepares an image for hotpatching.
365 #'/Z7', #enable old-style debug info
367 if platform == 'wince':
368 # See also C:\WINCE600\public\common\oak\misc\makefile.def
370 '/Zl', # omit default library name in .OBJ
371 '/GF', # enable read-only string pooling
372 '/GR-', # disable C++ RTTI
373 '/GS', # enable security checks
374 # Allow disabling language conformance to maintain backward compat
375 #'/Zc:wchar_t-', # don't force wchar_t as native type, instead of typedef
376 #'/Zc:forScope-', # don't enforce Standard C++ for scoping rules
382 # Automatic pdb generation
383 # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
384 env.EnsureSConsVersion(0, 98, 0)
385 env['PDB'] = '${TARGET.base}.pdb'
386 env.Append(CFLAGS = cflags)
387 env.Append(CXXFLAGS = cflags)
391 if env['machine'] == 'x86':
392 env.Append(ASFLAGS = ['-m32'])
393 if env['machine'] == 'x86_64':
394 env.Append(ASFLAGS = ['-m64'])
399 if env['machine'] == 'x86':
400 linkflags += ['-m32']
401 if env['machine'] == 'x86_64':
402 linkflags += ['-m64']
403 if platform == 'winddk':
405 # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
408 '/merge:_TEXT=.text',
412 '/ignore:4198,4010,4037,4039,4065,4070,4078,4087,4089,4221',
425 '/stack:0x40000,0x1000',
428 '/subsystem:native,5.01',
431 '/entry:DrvEnableDriver',
435 '/MAP', # http://msdn.microsoft.com/en-us/library/k7xkk3e2.aspx
437 if platform == 'wince':
442 '/entry:_DllMainCRTStartup',
444 env.Append(LINKFLAGS = linkflags)
447 env.Append(LIBS = [])
449 # Custom builders and methods
450 createConvenienceLibBuilder(env)
451 createCodeGenerateMethod(env)
452 createInstallMethods(env)