{
DefineArgument undefine = new DefineArgument();
String[] pair = ( (String) i.next() ).split( "=", 2 );
undefine.setName( pair[0] );
undefine.setValue( pair.length > 1 ? pair[1] : null );
us.addUndefine( undefine );
}
compiler.addConfiguredDefineset( us );
}
if ( undefineSet != null )