Free Pascal Compiler version 2.4.0-2ubuntu1.10.04 [2011/06/17] for i386 Copyright (c) 1993-2009 by Florian Klaempfl Target OS: Linux for i386 Compiling sl.pas sl.pas(31,29) Warning: Variable "k" does not seem to be initialized sl.pas(32,55) Warning: Variable "y" does not seem to be initialized sl.pas(37,52) Warning: Variable "l" does not seem to be initialized sl.pas(38,78) Warning: Variable "z" does not seem to be initialized Linking executable /usr/bin/ld: warning: link.res contains output sections; did you forget -T? 75 lines compiled, 0.0 sec 4 warning(s) issued