diff --git a/makefile b/makefile
index a00026e..164fcba 100644
--- a/makefile
+++ b/makefile
@@ -1,22 +1,22 @@
-CC=g++
-CFLAGS=-O2 -W -Wall -I"/usr/include/SDL" -I"/home/James/ZEngine-dev/include" -L"/usr/lib/SDL" -L"/home/James/ZEngine-dev/lib"
-LIBS=-lZEngineS -lSDL_mixer -lSDL_image -lSDL_ttf -lSDLmain -lSDL
-
-ZEngineS.a: src/ZE_ZTimer.cpp src/ZE_ZImage.cpp src/ZE_ZFont.cpp src/ZE_ZMusic.cpp src/ZE_ZConfigFile.cpp src/ZE_ZSound.cpp src/ZE_ZMusic.cpp src/ZE_ZRect.cpp  src/ZE_Error.cpp src/ZE_ZEngine.cpp
-	$(CC) $(CFLAGS) -c src/ZE_ZTimer.cpp src/ZE_ZImage.cpp src/ZE_ZFont.cpp src/ZE_ZMusic.cpp src/ZE_ZConfigFile.cpp src/ZE_ZSound.cpp src/ZE_ZMusic.cpp src/ZE_ZRect.cpp src/ZE_Error.cpp src/ZE_ZEngine.cpp
-	ar rcs lib/libZEngineS.a ZE_ZTimer.o ZE_ZImage.o ZE_ZFont.o ZE_ZMusic.o ZE_ZConfigFile.o ZE_ZSound.o ZE_ZMusic.o ZE_Error.o ZE_ZRect.o ZE_ZEngine.o
-
-tests: test/ZFontTest.cpp test/ZMouseTest.cpp test/ZMusicTest.cpp test/ZSoundTest.cpp test/ZTimerTest.cpp test/ZImageTest.cpp test/ZRectTest.cpp
-	$(CC) $(CFLAGS) test/ZFontTest.cpp -o test/bin/ZFontTest  $(LIBS)
-	$(CC) $(CFLAGS) test/ZMouseTest.cpp -o test/bin/ZMouseTest $(LIBS)
-	$(CC) $(CFLAGS) test/ZMusicTest.cpp -o test/bin/ZMusicTest $(LIBS)
-	$(CC) $(CFLAGS) test/ZSoundTest.cpp -o test/bin/ZSoundTest $(LIBS)
-	$(CC) $(CFLAGS) test/ZTimerTest.cpp -o test/bin/ZTimerTest $(LIBS)
-	$(CC) $(CFLAGS) test/ZImageTest.cpp -o test/bin/ZImageTest $(LIBS) 
-	$(CC) $(CFLAGS) test/ZRectTest.cpp -o test/bin/ZRectTest $(LIBS)
-
-.PHONY: clean
-
-clean:
-	rm *.o
-
+CC=g++
+CFLAGS=-O2 -W -Wall -I"/usr/include/SDL" -I"/home/James/ZEngine-dev/include" -L"/usr/lib/SDL" -L"/home/James/ZEngine-dev/lib"
+LIBS=-lZEngineS -lSDL_mixer -lSDL_image -lSDL_ttf -lSDLmain -lSDL -lGL
+
+ZEngineS.a: src/ZE_ZTimer.cpp src/ZE_ZImage.cpp src/ZE_ZFont.cpp src/ZE_ZMusic.cpp src/ZE_ZConfigFile.cpp src/ZE_ZSound.cpp src/ZE_ZMusic.cpp src/ZE_ZRect.cpp  src/ZE_Error.cpp src/ZE_ZEngine.cpp src/external/SDLGL_Util.cpp
+	$(CC) $(CFLAGS) -c src/ZE_ZTimer.cpp src/ZE_ZImage.cpp src/ZE_ZFont.cpp src/ZE_ZMusic.cpp src/ZE_ZConfigFile.cpp src/ZE_ZSound.cpp src/ZE_ZMusic.cpp src/ZE_ZRect.cpp src/ZE_Error.cpp src/ZE_ZEngine.cpp src/external/SDLGL_Util.cpp
+	ar rcs lib/libZEngineS.a ZE_ZTimer.o ZE_ZImage.o ZE_ZFont.o ZE_ZMusic.o ZE_ZConfigFile.o ZE_ZSound.o ZE_ZMusic.o ZE_Error.o ZE_ZRect.o ZE_ZEngine.o SDLGL_Util.o
+
+tests: test/ZFontTest.cpp test/ZMouseTest.cpp test/ZMusicTest.cpp test/ZSoundTest.cpp test/ZTimerTest.cpp test/ZImageTest.cpp test/ZRectTest.cpp
+	$(CC) $(CFLAGS) test/ZFontTest.cpp -o test/bin/ZFontTest  $(LIBS)
+	$(CC) $(CFLAGS) test/ZMouseTest.cpp -o test/bin/ZMouseTest $(LIBS)
+	$(CC) $(CFLAGS) test/ZMusicTest.cpp -o test/bin/ZMusicTest $(LIBS)
+	$(CC) $(CFLAGS) test/ZSoundTest.cpp -o test/bin/ZSoundTest $(LIBS)
+	$(CC) $(CFLAGS) test/ZTimerTest.cpp -o test/bin/ZTimerTest $(LIBS)
+	$(CC) $(CFLAGS) test/ZImageTest.cpp -o test/bin/ZImageTest $(LIBS) 
+	$(CC) $(CFLAGS) test/ZRectTest.cpp -o test/bin/ZRectTest $(LIBS)
+
+.PHONY: clean
+
+clean:
+	rm *.o
+