if sys.platform.startswith('darwin'):
webcore.includes += ' Source/WebKit/mac/WebCoreSupport WebCore/platform/mac'
webcore.source += ' Source/WebKit/mac/WebCoreSupport/WebSystemInterface.mm'
if sys.platform.startswith('darwin'):
webcore.includes += ' Source/WebKit/mac/WebCoreSupport WebCore/platform/mac'
webcore.source += ' Source/WebKit/mac/WebCoreSupport/WebSystemInterface.mm'