'The wmake/rules/ compiler directory'

def _rule_directory(self, projdir=None, general=False):

    if general:
        relative = os.path.join('wmake', 'rules', 'General')
    else:
        relative = os.path.join('wmake', 'rules', self.rule)
    if projdir:
        return os.path.join(projdir, relative)
    else:
        return relative
