diff --git a/Makefile b/Makefile
index 27db210..cf91585 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,15 @@
+# gcc for c g++ foc c++
+compiler = g++
+#obj = build/main.o build/monster.o
+# -g for debug mode (for gbd) -O3 for release mod
+mode = -g
+flag = -Wall -Weffc++ -Wextra -Wsign-conversion $(state)
 
 build/course : build/course.o
-	g++ -o build/course build/course.o
+	$(compiler) $(flag) -o build/course build/course.o
 
 build/course.o : src/course.cpp
-	g++ -c src/course.cpp -o build/course.o
+	$(compiler) $(flag) -c src/course.cpp -o build/course.o
 
 .PHONY : clean
 clean :