layers, tags and make

Makefile

@@ -5,17 +5,23 @@ TARGET = absinthe
 SRC_FILES != find src/ -type f
 OBJ_FILES = $(SRC_FILES:src/%.c=build/%.o)
 
-all: $(TARGET)
+all: proto $(TARGET)
 
-proto:
+xdg-shell-protocol.h:
 	$(WAYLAND_SCANNER) server-header $(WAYLAND_PROTOCOLS)/stable/xdg-shell/xdg-shell.xml xdg-shell-protocol.h
+
+wlr-layer-shell-unstable-v1-protocol.h:
 	$(WAYLAND_SCANNER) server-header ./protocols/wlr-layer-shell-unstable-v1.xml wlr-layer-shell-unstable-v1-protocol.h
 
-$(OBJ_FILES):
-	mkdir -p $(@D)
-	$(CC) $(CFLAGS) -o $@ -c $(@:build/%.o=src/%.c)
+proto: xdg-shell-protocol.h wlr-layer-shell-unstable-v1-protocol.h
 
-$(TARGET): proto $(OBJ_FILES)
+.for _src in ${SRC_FILES}
+build/${_src:T:R}.o: ${_src}
+	@mkdir -p build
+	$(CC) $(CFLAGS) -c ${.ALLSRC} -o ${.TARGET}
+.endfor
+
+$(TARGET): $(OBJ_FILES)
 	$(CC) -o absinthe $(OBJ_FILES) $(LDFLAGS)
 
 clean: