1 files changed, 2 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 47bd57a..fd4f25d 100755
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,6 @@
 CPP=g++
-CFLAGS=-O2
+WARN=-W -Wall
+CFLAGS=-O2 ${WARN}
 LDFLAGS=-los
 
 EXE=calculator.app