--- a/Makefile	Wed Nov 29 01:27:05 2023 +0100
+++ b/Makefile	Fri Dec 01 20:25:49 2023 +0100
@@ -26,7 +26,7 @@
 build:
 	mkdir -p $(@)
 	
-SRC=Shark.cpp shader-shark.cpp ImageLoader.cpp
+SRC=Shark.cpp shader-shark.cpp ImageLoader.cpp Shader.cpp Program.cpp
 
 build/shader-shark: $(SRC) build *.h
 	$(CXX) -std=c++20 -g -o $(@) $(SRC) $$(pkg-config --cflags --libs \