def __init__( self, env, verbose_build, verbose_config, toolset_name ):
self._verbose_build = verbose_build
self._verbose_config = verbose_config
self._toolset_filter = toolset_name + '.'
self._minimal_output = not self._verbose_build
ignore_duplicates = not self._verbose_build
self._toolchain_processor = ToolchainProcessor( env['toolchain'], self._minimal_output, ignore_duplicates )
