Simple makefile for C++ project, build with g++

Makefile

ARTIFACT = AoE
TARGET = $(OUTPUT_DIR)/$(ARTIFACT)
LIBS = -L../SFML/lib -lsfml-graphics -lsfml-window -lsfml-system
INCS = -IInc
CPP = g++
LD = $(CXX)
CCFLAGS = -g -Wall
OUTPUT_DIR = build
.PHONY: default all clean

default: $(TARGET)
all: default

OBJECTS = $(addprefix $(OUTPUT_DIR)/,$(patsubst %.cpp, %.o, $(wildcard *.cpp)))
HEADERS = $(wildcard *.h)

$(OUTPUT_DIR)/%.o: %.cpp $(HEADERS)
	$(CPP) $(CCFLAGS) $(INCS) -c $< -o $@

.PRECIOUS: $(TARGET) $(OBJECTS)

$(TARGET): $(OBJECTS)
	$(LD) -mwindows $(OBJECTS) -Wall $(LIBS) $(INCS) -o $@

clean:
	-rm -f $(OUTPUT_DIR)/*.o
	-rm -f $(TARGET)

rebuild: clean all