Warnings are errors

diff --git a/Makefile b/Makefile
index 34f1e7523334f0e5d50236dcc1d1a574091e4ee7..cea7c763572c5dfabba1bf737a2cfd891c5f564b 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 CXX = g++
-CXXFLAGS = -std=gnu++11 -Wall -Wextra -pedantic -O2
+CXXFLAGS = -std=gnu++11 -Wall -Wextra -pedantic -Werror -O2
 LFLAGS =
 
 SRCS = sliding_tile.cc sliding_tile_lib.cc