Fix compilation

Makefile

@@ -2,19 +2,23 @@ BIN = manigraph
 
 OBJ = \
 	ext/glad/glad.o \
-	src/surface.o \
 	src/context.o \
 	src/window.o \
-	src/load.o \
 	src/shader.o \
+	src/klein.o \
 	src/input.o \
+	src/load.o \
 	src/mesh.o \
 	src/main.o 
 
+EXAMPLES = \
+	example/basic.o
+
 CFLAGS = \
 	-I./ext/cglm/include  \
 	-I./ext/glfw/include  \
 	-I./ext/glad  \
+	-I./include  \
 	-Wall -Wno-unused-function -std=c99 -D_GNU_SOURCE \
 
 WAYLAND-LIB = \
@@ -38,7 +42,7 @@ help:
 	@echo "Clean"
 	@echo "	$(MAKE) clean"
 
-src/main.o: src/data/axis.h src/data/shaders.h
+src/main.o: src/data/shaders.h
 
 windows: $(OBJ) 
 	cd ext; $(MAKE) -f glfw.mk windows; cd -
@@ -72,6 +76,8 @@ clean:
 	cd ext; $(MAKE) -f glfw.mk clean; cd -
 
 
+examples: $(EXAMPLES)
+
 .SUFFIXES: .c .o 
 
 .c.o: