To clean out old objects, use one of the following methods:
CPPCompileCommand Property
Metaclass Microsoft:
Property CPPCompileCommand MultiLine
" if exist $OMFileObjPath erase $OMFileObjPath
$(CPP) $OMFileCPPCompileSwitches
/Fo\"$OMFileObjPath\" \"$OMFileImpPath\" "
Metaclass VxWorks:
Property CPPCompileCommand MultiLine
" @echo Compiling $OMFileImpPath
@$(RM) $OMFileObjPath
@$(CXX) $(C++FLAGS) $OMFileCPPCompileSwitches -o
$OMFileObjPath $OMFileImpPath"