1 """engine.SCons.Tool.msvc
3 Tool-specific initialization for Microsoft Visual C/C++.
5 There normally shouldn't be any need to import this module directly.
6 It will usually be imported through the generic SCons.Tool.Tool()
14 # Permission is hereby granted, free of charge, to any person obtaining
15 # a copy of this software and associated documentation files (the
16 # "Software"), to deal in the Software without restriction, including
17 # without limitation the rights to use, copy, modify, merge, publish,
18 # distribute, sublicense, and/or sell copies of the Software, and to
19 # permit persons to whom the Software is furnished to do so, subject to
20 # the following conditions:
22 # The above copyright notice and this permission notice shall be included
23 # in all copies or substantial portions of the Software.
25 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
26 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
27 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
29 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
30 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
31 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
44 import SCons.Platform.win32
46 import SCons.Tool.msvs
50 CSuffixes = ['.c', '.C']
51 CXXSuffixes = ['.cc', '.cpp', '.cxx', '.c++', '.C++']
53 def _parse_msvc7_overrides(version):
54 """ Parse any overridden defaults for MSVS directory locations in MSVS .NET. """
56 # First, we get the shell folder for this user:
57 if not SCons.Util.can_read_reg:
58 raise SCons.Errors.InternalError, "No Windows registry module was found"
62 (comps, t) = SCons.Util.RegGetValue(SCons.Util.HKEY_CURRENT_USER,
63 r'Software\Microsoft\Windows\CurrentVersion' +\
64 r'\Explorer\Shell Folders\Local AppData')
65 except SCons.Util.RegError:
66 raise SCons.Errors.InternalError, "The Local AppData directory was not found in the registry."
68 comps = comps + '\\Microsoft\\VisualStudio\\' + version + '\\VCComponents.dat'
71 if os.path.exists(comps):
72 # now we parse the directories from this file, if it exists.
73 # We only look for entries after: [VC\VC_OBJECTS_PLATFORM_INFO\Win32\Directories],
74 # since this file could contain a number of things...
80 if line.find(r'[VC\VC_OBJECTS_PLATFORM_INFO\Win32\Directories]') >= 0:
82 elif line == '' or line[:1] == '[':
85 kv = line.split('=', 1)
88 key = key.replace(' Dirs','')
89 dirs[key.upper()] = val
93 # since the file didn't exist, we have only the defaults in
94 # the registry to work with.
96 K = 'SOFTWARE\\Microsoft\\VisualStudio\\' + version
97 K = K + r'\VC\VC_OBJECTS_PLATFORM_INFO\Win32\Directories'
98 k = SCons.Util.RegOpenKeyEx(SCons.Util.HKEY_LOCAL_MACHINE,K)
102 (key,val,t) = SCons.Util.RegEnumValue(k,i)
103 key = key.replace(' Dirs','')
104 dirs[key.upper()] = val
106 except SCons.Util.RegError:
108 except SCons.Util.RegError:
109 # if we got here, then we didn't find the registry entries:
110 raise SCons.Errors.InternalError, "Unable to find MSVC paths in the registry."
113 def _get_msvc7_path(path, version, platform):
115 Get Visual Studio directories from version 7 (MSVS .NET)
116 (it has a different registry structure than versions before it)
118 # first, look for a customization of the default values in the
119 # registry: These are sometimes stored in the Local Settings area
120 # for Visual Studio, in a file, so we have to parse it.
121 dirs = _parse_msvc7_overrides(version)
123 if dirs.has_key(path):
126 raise SCons.Errors.InternalError, "Unable to retrieve the %s path from MS VC++."%path
128 # collect some useful information for later expansions...
129 paths = SCons.Tool.msvs.get_msvs_install_dirs(version)
131 # expand the directory path variables that we support. If there
132 # is a variable we don't support, then replace that entry with
133 # "---Unknown Location VSInstallDir---" or something similar, to clue
134 # people in that we didn't find something, and so env expansion doesn't
135 # do weird things with the $(xxx)'s
136 s = re.compile('\$\(([a-zA-Z0-9_]+?)\)')
138 def repl(match, paths=paths):
139 key = string.upper(match.group(1))
140 if paths.has_key(key):
143 return '---Unknown Location %s---' % match.group()
146 for entry in p.split(os.pathsep):
147 entry = s.sub(repl,entry)
150 return string.join(rv,os.pathsep)
152 def get_msvc_path (path, version, platform='x86'):
154 Get a list of visualstudio directories (include, lib or path). Return
155 a string delimited by ';'. An exception will be raised if unable to
156 access the registry or appropriate registry keys not found.
159 if not SCons.Util.can_read_reg:
160 raise SCons.Errors.InternalError, "No Windows registry module was found"
162 # normalize the case for comparisons (since the registry is case
164 path = string.upper(path)
169 if float(version) >= 7.0:
170 return _get_msvc7_path(path, version, platform)
172 path = string.upper(path + ' Dirs')
173 K = ('Software\\Microsoft\\Devstudio\\%s\\' +
174 'Build System\\Components\\Platforms\\Win32 (%s)\\Directories') % \
176 for base in (SCons.Util.HKEY_CURRENT_USER,
177 SCons.Util.HKEY_LOCAL_MACHINE):
179 k = SCons.Util.RegOpenKeyEx(base,K)
183 (p,v,t) = SCons.Util.RegEnumValue(k,i)
184 if string.upper(p) == path:
187 except SCons.Util.RegError:
189 except SCons.Util.RegError:
192 # if we got here, then we didn't find the registry entries:
193 raise SCons.Errors.InternalError, "The %s path was not found in the registry."%path
195 def _get_msvc6_default_paths(version, use_mfc_dirs):
196 """Return a 3-tuple of (INCLUDE, LIB, PATH) as the values of those
197 three environment variables that should be set in order to execute
198 the MSVC 6.0 tools properly, if the information wasn't available
199 from the registry."""
206 paths = SCons.Tool.msvs.get_msvs_install_dirs(version)
207 MVSdir = paths['VSINSTALLDIR']
208 except (SCons.Util.RegError, SCons.Errors.InternalError, KeyError):
209 if os.environ.has_key('MSDEVDIR'):
210 MVSdir = os.path.normpath(os.path.join(os.environ['MSDEVDIR'],'..','..'))
212 MVSdir = r'C:\Program Files\Microsoft Visual Studio'
214 if SCons.Util.can_read_reg and paths.has_key('VCINSTALLDIR'):
215 MVSVCdir = paths['VCINSTALLDIR']
217 MVSVCdir = os.path.join(MVSdir,'VC98')
219 MVSCommondir = r'%s\Common' % MVSdir
221 mfc_include_ = r'%s\ATL\include;%s\MFC\include;' % (MVSVCdir, MVSVCdir)
222 mfc_lib_ = r'%s\MFC\lib;' % MVSVCdir
226 include_path = r'%s%s\include' % (mfc_include_, MVSVCdir)
227 lib_path = r'%s%s\lib' % (mfc_lib_, MVSVCdir)
229 if os.environ.has_key('OS') and os.environ['OS'] == "Windows_NT":
234 exe_path = r'%s\tools\%s;%s\MSDev98\bin;%s\tools;%s\bin' % (MVSCommondir, osdir, MVSCommondir, MVSCommondir, MVSVCdir)
235 return (include_path, lib_path, exe_path)
237 def _get_msvc7_default_paths(version, use_mfc_dirs):
238 """Return a 3-tuple of (INCLUDE, LIB, PATH) as the values of those
239 three environment variables that should be set in order to execute
240 the MSVC .NET tools properly, if the information wasn't available
241 from the registry."""
249 paths = SCons.Tool.msvs.get_msvs_install_dirs(version)
250 MVSdir = paths['VSINSTALLDIR']
251 except (KeyError, SCons.Util.RegError, SCons.Errors.InternalError):
252 if os.environ.has_key('VSCOMNTOOLS'):
253 MVSdir = os.path.normpath(os.path.join(os.environ['VSCOMNTOOLS'],'..','..'))
255 # last resort -- default install location
256 MVSdir = r'C:\Program Files\Microsoft Visual Studio .NET'
259 if SCons.Util.can_read_reg and paths.has_key('VCINSTALLDIR'):
260 MVSVCdir = paths['VCINSTALLDIR']
262 MVSVCdir = os.path.join(MVSdir,'Vc7')
264 MVSCommondir = r'%s\Common7' % MVSdir
266 mfc_include_ = r'%s\atlmfc\include;' % MVSVCdir
267 mfc_lib_ = r'%s\atlmfc\lib;' % MVSVCdir
271 include_path = r'%s%s\include;%s\PlatformSDK\include' % (mfc_include_, MVSVCdir, MVSVCdir)
272 lib_path = r'%s%s\lib;%s\PlatformSDK\lib' % (mfc_lib_, MVSVCdir, MVSVCdir)
273 exe_path = r'%s\IDE;%s\bin;%s\Tools;%s\Tools\bin' % (MVSCommondir,MVSVCdir, MVSCommondir, MVSCommondir )
275 if SCons.Util.can_read_reg and paths.has_key('FRAMEWORKSDKDIR'):
276 include_path = include_path + r';%s\include'%paths['FRAMEWORKSDKDIR']
277 lib_path = lib_path + r';%s\lib'%paths['FRAMEWORKSDKDIR']
278 exe_path = exe_path + r';%s\bin'%paths['FRAMEWORKSDKDIR']
280 if SCons.Util.can_read_reg and paths.has_key('FRAMEWORKDIR') and paths.has_key('FRAMEWORKVERSION'):
281 exe_path = exe_path + r';%s\%s'%(paths['FRAMEWORKDIR'],paths['FRAMEWORKVERSION'])
283 return (include_path, lib_path, exe_path)
285 def get_msvc_paths(version=None, use_mfc_dirs=0):
286 """Return a 3-tuple of (INCLUDE, LIB, PATH) as the values
287 of those three environment variables that should be set
288 in order to execute the MSVC tools properly."""
294 versions = SCons.Tool.msvs.get_visualstudio_versions()
296 version = versions[0] #use highest version by default
300 # Some of the configured directories only
301 # appear if the user changes them from the default.
302 # Therefore, we'll see if we can get the path to the MSDev
303 # base installation from the registry and deduce the default
305 if float(version) >= 7.0:
306 defpaths = _get_msvc7_default_paths(version, use_mfc_dirs)
308 defpaths = _get_msvc6_default_paths(version, use_mfc_dirs)
311 include_path = get_msvc_path("include", version)
312 except (SCons.Util.RegError, SCons.Errors.InternalError):
313 include_path = defpaths[0]
316 lib_path = get_msvc_path("lib", version)
317 except (SCons.Util.RegError, SCons.Errors.InternalError):
318 lib_path = defpaths[1]
321 exe_path = get_msvc_path("path", version)
322 except (SCons.Util.RegError, SCons.Errors.InternalError):
323 exe_path = defpaths[2]
325 return (include_path, lib_path, exe_path)
327 def get_msvc_default_paths(version=None, use_mfc_dirs=0):
328 """Return a 3-tuple of (INCLUDE, LIB, PATH) as the values of those
329 three environment variables that should be set in order to execute
330 the MSVC tools properly. This will only return the default
331 locations for the tools, not the values used by MSVS in their
332 directory setup area. This can help avoid problems with different
333 developers having different settings, and should allow the tools
334 to run in most cases."""
336 if not version and not SCons.Util.can_read_reg:
341 version = SCons.Tool.msvs.get_visualstudio_versions()[0] #use highest version
342 except KeyboardInterrupt:
347 if float(version) >= 7.0:
348 return _get_msvc7_default_paths(version, use_mfc_dirs)
350 return _get_msvc6_default_paths(version, use_mfc_dirs)
352 def validate_vars(env):
353 """Validate the PDB, PCH, and PCHSTOP construction variables."""
354 if env.has_key('PCH') and env['PCH']:
355 if not env.has_key('PCHSTOP'):
356 raise SCons.Errors.UserError, "The PCHSTOP construction must be defined if PCH is defined."
357 if not SCons.Util.is_String(env['PCHSTOP']):
358 raise SCons.Errors.UserError, "The PCHSTOP construction variable must be a string: %r"%env['PCHSTOP']
360 def pch_emitter(target, source, env):
361 """Sets up the PDB dependencies for a pch file, and adds the object
370 if SCons.Util.splitext(str(t))[1] == '.pch':
372 if SCons.Util.splitext(str(t))[1] == '.obj':
376 obj = SCons.Util.splitext(str(pch))[0]+'.obj'
378 target = [pch, obj] # pch must be first, and obj second for the PCHCOM to work
380 if env.has_key('PDB') and env['PDB']:
381 env.SideEffect(env['PDB'], target)
382 env.Precious(env['PDB'])
384 return (target, source)
386 def object_emitter(target, source, env, parent_emitter):
387 """Sets up the PDB and PCH dependencies for an object file."""
391 parent_emitter(target, source, env)
393 if env.has_key('PDB') and env['PDB']:
394 env.SideEffect(env['PDB'], target)
395 env.Precious(env['PDB'])
397 if env.has_key('PCH') and env['PCH']:
398 env.Depends(target, env['PCH'])
400 return (target, source)
402 def static_object_emitter(target, source, env):
403 return object_emitter(target, source, env,
404 SCons.Defaults.StaticObjectEmitter)
406 def shared_object_emitter(target, source, env):
407 return object_emitter(target, source, env,
408 SCons.Defaults.SharedObjectEmitter)
410 pch_builder = SCons.Builder.Builder(action='$PCHCOM', suffix='.pch', emitter=pch_emitter)
411 res_builder = SCons.Builder.Builder(action='$RCCOM', suffix='.res')
414 """Add Builders and construction variables for MSVC++ to an Environment."""
415 static_obj, shared_obj = SCons.Tool.createObjBuilders(env)
417 for suffix in CSuffixes:
418 static_obj.add_action(suffix, SCons.Defaults.CAction)
419 shared_obj.add_action(suffix, SCons.Defaults.ShCAction)
421 for suffix in CXXSuffixes:
422 static_obj.add_action(suffix, SCons.Defaults.CXXAction)
423 shared_obj.add_action(suffix, SCons.Defaults.ShCXXAction)
425 env['CCPDBFLAGS'] = SCons.Util.CLVar(['${(PDB and "/Zi /Fd%s"%File(PDB)) or ""}'])
426 env['CCPCHFLAGS'] = SCons.Util.CLVar(['${(PCH and "/Yu%s /Fp%s"%(PCHSTOP or "",File(PCH))) or ""}'])
427 env['CCCOMFLAGS'] = '$CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS /c $SOURCES /Fo$TARGET $CCPCHFLAGS $CCPDBFLAGS'
429 env['CCFLAGS'] = SCons.Util.CLVar('/nologo')
430 env['CCCOM'] = '$CC $CCFLAGS $CCCOMFLAGS'
432 env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')
433 env['SHCCCOM'] = '$SHCC $SHCCFLAGS $CCCOMFLAGS'
435 env['CXXFLAGS'] = SCons.Util.CLVar('$CCFLAGS $( /TP $)')
436 env['CXXCOM'] = '$CXX $CXXFLAGS $CCCOMFLAGS'
437 env['SHCXX'] = '$CXX'
438 env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS')
439 env['SHCXXCOM'] = '$SHCXX $SHCXXFLAGS $CCCOMFLAGS'
440 env['CPPDEFPREFIX'] = '/D'
441 env['CPPDEFSUFFIX'] = ''
442 env['INCPREFIX'] = '/I'
443 env['INCSUFFIX'] = ''
444 env.Append(OBJEMITTER = [static_object_emitter])
445 env.Append(SHOBJEMITTER = [shared_object_emitter])
446 env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
449 env['RCFLAGS'] = SCons.Util.CLVar('')
450 env['RCCOM'] = '$RC $_CPPDEFFLAGS $_CPPINCFLAGS $RCFLAGS /fo$TARGET $SOURCES'
451 SCons.Defaults.ObjSourceScan.add_scanner('.rc', SCons.Defaults.CScan)
452 env['BUILDERS']['RES'] = res_builder
455 version = SCons.Tool.msvs.get_default_visualstudio_version(env)
457 # By default, add the MFC directories, because this is what
458 # we've been doing for a long time. We may change this.
459 use_mfc_dirs = env.get('MSVS_USE_MFC_DIRS', 1)
460 if env.get('MSVS_IGNORE_IDE_PATHS', 0):
461 _get_paths = get_msvc_default_paths
463 _get_paths = get_msvc_paths
464 include_path, lib_path, exe_path = _get_paths(version, use_mfc_dirs)
466 # since other tools can set these, we just make sure that the
467 # relevant stuff from MSVS is in there somewhere.
468 env.PrependENVPath('INCLUDE', include_path)
469 env.PrependENVPath('LIB', lib_path)
470 env.PrependENVPath('PATH', exe_path)
471 except (SCons.Util.RegError, SCons.Errors.InternalError):
474 env['CFILESUFFIX'] = '.c'
475 env['CXXFILESUFFIX'] = '.cc'
477 env['PCHCOM'] = '$CXX $CXXFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS /c $SOURCES /Fo${TARGETS[1]} /Yc$PCHSTOP /Fp${TARGETS[0]} $CCPDBFLAGS'
478 env['BUILDERS']['PCH'] = pch_builder
481 if SCons.Tool.msvs.is_msvs_installed():
482 # there's at least one version of MSVS installed.
485 return env.Detect('cl')