CLEAN_TARGETS += clean-libi3 libi3_SOURCES := $(wildcard libi3/*.c) libi3_HEADERS := $(wildcard libi3/*.h) libi3_OBJECTS := $(libi3_SOURCES:.c=.o) libi3/%.o: libi3/%.c $(libi3_HEADERS) echo "[libi3] CC $<" $(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $< libi3.a: $(libi3_OBJECTS) echo "[libi3] AR libi3.a" ar rcs $@ $^ clean-libi3: echo "[libi3] Clean" rm -f $(libi3_OBJECTS) libi3.a