treat Warnings as Errors during compilation

fstrozzi · fstrozzi · commit 0a3373f19f5a · 2014-05-13T15:50:43.000+02:00
diff --git a/Makefile b/Makefile
@@ -1,5 +1,5 @@
 CC     = gcc
-CFLAGS = -O2 -std=c99
+CFLAGS = -O2 -std=c99 -Werror
 
 all:kseq.h fastool.c
 	$(CC) $(CFLAGS) fastool.c -o fastool
