diff options
Diffstat (limited to 'scons/msvc_sa.py')
| -rw-r--r-- | scons/msvc_sa.py | 103 |
1 files changed, 88 insertions, 15 deletions
diff --git a/scons/msvc_sa.py b/scons/msvc_sa.py index 136d3052656..a9136629203 100644 --- a/scons/msvc_sa.py +++ b/scons/msvc_sa.py @@ -7,7 +7,7 @@ Based on SCons.Tool.msvc, without the MSVS detection. """ # -# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 The SCons Foundation +# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 The SCons Foundation # # Permission is hereby granted, free of charge, to any person obtaining # a copy of this software and associated documentation files (the @@ -40,6 +40,7 @@ import SCons.Platform.win32 import SCons.Tool import SCons.Util import SCons.Warnings +import SCons.Scanner.RC CSuffixes = ['.c', '.C'] CXXSuffixes = ['.cc', '.cpp', '.cxx', '.c++', '.C++'] @@ -97,47 +98,114 @@ pch_action = SCons.Action.Action('$PCHCOM', '$PCHCOMSTR') pch_builder = SCons.Builder.Builder(action=pch_action, suffix='.pch', emitter=pch_emitter, source_scanner=SCons.Tool.SourceFileScanner) + + +# Logic to build .rc files into .res files (resource files) +res_scanner = SCons.Scanner.RC.RCScan() res_action = SCons.Action.Action('$RCCOM', '$RCCOMSTR') res_builder = SCons.Builder.Builder(action=res_action, src_suffix='.rc', suffix='.res', src_builder=[], - source_scanner=SCons.Tool.SourceFileScanner) -SCons.Tool.SourceFileScanner.add_scanner('.rc', SCons.Defaults.CScan) + source_scanner=res_scanner) + +def msvc_batch_key(action, env, target, source): + """ + Returns a key to identify unique batches of sources for compilation. + + If batching is enabled (via the $MSVC_BATCH setting), then all + target+source pairs that use the same action, defined by the same + environment, and have the same target and source directories, will + be batched. + + Returning None specifies that the specified target+source should not + be batched with other compilations. + """ + b = env.subst('$MSVC_BATCH') + if b in (None, '', '0'): + # We're not using batching; return no key. + return None + t = target[0] + s = source[0] + if os.path.splitext(t.name)[0] != os.path.splitext(s.name)[0]: + # The base names are different, so this *must* be compiled + # separately; return no key. + return None + return (id(action), id(env), t.dir, s.dir) + +def msvc_output_flag(target, source, env, for_signature): + """ + Returns the correct /Fo flag for batching. + + If batching is disabled or there's only one source file, then we + return an /Fo string that specifies the target explicitly. Otherwise, + we return an /Fo string that just specifies the first target's + directory (where the Visual C/C++ compiler will put the .obj files). + """ + b = env.subst('$MSVC_BATCH') + if b in (None, '', '0') or len(source) == 1: + return '/Fo$TARGET' + else: + # The Visual C/C++ compiler requires a \ at the end of the /Fo + # option to indicate an output directory. We use os.sep here so + # that the test(s) for this can be run on non-Windows systems + # without having a hard-coded backslash mess up command-line + # argument parsing. + return '/Fo${TARGET.dir}' + os.sep + +CAction = SCons.Action.Action("$CCCOM", "$CCCOMSTR", + batch_key=msvc_batch_key, + targets='$CHANGED_TARGETS') +ShCAction = SCons.Action.Action("$SHCCCOM", "$SHCCCOMSTR", + batch_key=msvc_batch_key, + targets='$CHANGED_TARGETS') +CXXAction = SCons.Action.Action("$CXXCOM", "$CXXCOMSTR", + batch_key=msvc_batch_key, + targets='$CHANGED_TARGETS') +ShCXXAction = SCons.Action.Action("$SHCXXCOM", "$SHCXXCOMSTR", + batch_key=msvc_batch_key, + targets='$CHANGED_TARGETS') def generate(env): """Add Builders and construction variables for MSVC++ to an Environment.""" static_obj, shared_obj = SCons.Tool.createObjBuilders(env) + # TODO(batch): shouldn't reach in to cmdgen this way; necessary + # for now to bypass the checks in Builder.DictCmdGenerator.__call__() + # and allow .cc and .cpp to be compiled in the same command line. + static_obj.cmdgen.source_ext_match = False + shared_obj.cmdgen.source_ext_match = False + for suffix in CSuffixes: - static_obj.add_action(suffix, SCons.Defaults.CAction) - shared_obj.add_action(suffix, SCons.Defaults.ShCAction) + static_obj.add_action(suffix, CAction) + shared_obj.add_action(suffix, ShCAction) static_obj.add_emitter(suffix, static_object_emitter) shared_obj.add_emitter(suffix, shared_object_emitter) for suffix in CXXSuffixes: - static_obj.add_action(suffix, SCons.Defaults.CXXAction) - shared_obj.add_action(suffix, SCons.Defaults.ShCXXAction) + static_obj.add_action(suffix, CXXAction) + shared_obj.add_action(suffix, ShCXXAction) static_obj.add_emitter(suffix, static_object_emitter) shared_obj.add_emitter(suffix, shared_object_emitter) env['CCPDBFLAGS'] = SCons.Util.CLVar(['${(PDB and "/Z7") or ""}']) env['CCPCHFLAGS'] = SCons.Util.CLVar(['${(PCH and "/Yu%s /Fp%s"%(PCHSTOP or "",File(PCH))) or ""}']) - env['CCCOMFLAGS'] = '$CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS /c $SOURCES /Fo$TARGET $CCPCHFLAGS $CCPDBFLAGS' + env['_MSVC_OUTPUT_FLAG'] = msvc_output_flag + env['_CCCOMCOM'] = '$CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS $CCPCHFLAGS $CCPDBFLAGS' env['CC'] = 'cl' env['CCFLAGS'] = SCons.Util.CLVar('/nologo') env['CFLAGS'] = SCons.Util.CLVar('') - env['CCCOM'] = '$CC $CFLAGS $CCFLAGS $CCCOMFLAGS' + env['CCCOM'] = '$CC $_MSVC_OUTPUT_FLAG /c $CHANGED_SOURCES $CFLAGS $CCFLAGS $_CCCOMCOM' env['SHCC'] = '$CC' env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS') env['SHCFLAGS'] = SCons.Util.CLVar('$CFLAGS') - env['SHCCCOM'] = '$SHCC $SHCFLAGS $SHCCFLAGS $CCCOMFLAGS' + env['SHCCCOM'] = '$SHCC $_MSVC_OUTPUT_FLAG /c $CHANGED_SOURCES $SHCFLAGS $SHCCFLAGS $_CCCOMCOM' env['CXX'] = '$CC' - env['CXXFLAGS'] = SCons.Util.CLVar('$CCFLAGS $( /TP $)') - env['CXXCOM'] = '$CXX $CXXFLAGS $CCCOMFLAGS' + env['CXXFLAGS'] = SCons.Util.CLVar('$( /TP $)') + env['CXXCOM'] = '$CXX $_MSVC_OUTPUT_FLAG /c $CHANGED_SOURCES $CXXFLAGS $CCFLAGS $_CCCOMCOM' env['SHCXX'] = '$CXX' env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS') - env['SHCXXCOM'] = '$SHCXX $SHCXXFLAGS $CCCOMFLAGS' + env['SHCXXCOM'] = '$SHCXX $_MSVC_OUTPUT_FLAG /c $CHANGED_SOURCES $SHCXXFLAGS $SHCCFLAGS $_CCCOMCOM' env['CPPDEFPREFIX'] = '/D' env['CPPDEFSUFFIX'] = '' env['INCPREFIX'] = '/I' @@ -148,6 +216,7 @@ def generate(env): env['RC'] = 'rc' env['RCFLAGS'] = SCons.Util.CLVar('') + env['RCSUFFIXES']=['.rc','.rc2'] env['RCCOM'] = '$RC $_CPPDEFFLAGS $_CPPINCFLAGS $RCFLAGS /fo$TARGET $SOURCES' env['BUILDERS']['RES'] = res_builder env['OBJPREFIX'] = '' @@ -159,7 +228,7 @@ def generate(env): env['CXXFILESUFFIX'] = '.cc' env['PCHPDBFLAGS'] = SCons.Util.CLVar(['${(PDB and "/Yd") or ""}']) - env['PCHCOM'] = '$CXX $CXXFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS /c $SOURCES /Fo${TARGETS[1]} /Yc$PCHSTOP /Fp${TARGETS[0]} $CCPDBFLAGS $PCHPDBFLAGS' + env['PCHCOM'] = '$CXX /Fo${TARGETS[1]} $CXXFLAGS $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS /c $SOURCES /Yc$PCHSTOP /Fp${TARGETS[0]} $CCPDBFLAGS $PCHPDBFLAGS' env['BUILDERS']['PCH'] = pch_builder if not env.has_key('ENV'): @@ -170,4 +239,8 @@ def generate(env): def exists(env): return env.Detect('cl') -# vim:set ts=4 sw=4 et: +# Local Variables: +# tab-width:4 +# indent-tabs-mode:nil +# End: +# vim: set expandtab tabstop=4 shiftwidth=4: |