rewrite initiated

src/old/Makefile

@@ -0,0 +1,13 @@
+CC=clang
+CFLAGS=-Wall -Wextra -std=c89 -pedantic -include raylib.h
+LIBS=-lraylib -lGL -lm -lpthread -ldl -lrt -lX11
+
+tetris-clone: main.c manager.c renderer.c app.c
+	$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
+
+.PHONY: clean
+
+clean:
+	rm -f ./tetris-clone
+	rm -f ./*.o
+	rm -f ./*.gch