Introduced un-/install targets. DESTDIR should be empty by default.

Makefile

@@ -3,7 +3,6 @@ TARGET = tetatet
 CC = cc
 
 DESTDIR :=
-DESTDIR = /
 PREFIX := /usr/local
 
 SRC_DIR := src
@@ -25,6 +24,13 @@ $(OBJ_DIR)/%.o: $(SRC_DIR)/%.c | $(OBJ_DIR)
 $(OBJ_DIR):
 	mkdir -p $@
 
+install: | $(TARGET)
+	strip tetatet
+	install -m0755 tetatet $(DESTDIR)$(PREFIX)/bin/tetatet
+
+uninstall:
+	rm -f $(DESTDIR)$(PREFIX)/bin/tetatet
+
 clean:
 	rm -f ${TARGET}
 	rm -f obj/*.o