Compilare: Free Pascal Compiler version 3.0.0+dfsg-2 [2016/01/28] for x86_64 Copyright (c) 1993-2015 by Florian Klaempfl and others Target OS: Linux for x86-64 Compiling user.fpc user.fpc(23,15) Warning: Variable "a" does not seem to be initialized user.fpc(41,42) Warning: Variable "b" does not seem to be initialized user.fpc(44,7) Warning: Variable "m" does not seem to be initialized user.fpc(7,1) Note: Local variable "s" not used user.fpc(8,1) Note: Local variable "r" not used Linking user /usr/bin/ld.bfd: warning: link.res contains output sections; did you forget -T? 57 lines compiled, 0.1 sec 3 warning(s) issued 2 note(s) issued