Source
--- Makefile.orig 2014-03-27 13:47:15.000000000 -0500
+++ Makefile 2014-04-10 07:21:25.000000000 -0500
@@ -4,7 +4,7 @@
CC = gcc
# Options for the compiler: A high optimization level is suggested
-CFLAGS = -O2 -W -Wno-unused-result
+CFLAGS = -O2 -W
# CFLAGS = -O -g -W -Wall -Wno-unused-result -ansi -pedantic # -DDEBUG
export CC CFLAGS