diff --git a/Makefile b/Makefile
index d52569a..3f52658 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,4 @@
+include ../config.mk
 
 SRCDIR := .
 OBJS := crc.o
@@ -7,22 +8,16 @@ LIB := $(BUILD_DIR)/libcrc.a
 INCLUDES := . ..
 DEFINES :=
 
-CCFLAGS := -g -O2 $(addprefix -D, $(DEFINES)) $(addprefix -I, $(INCLUDES))
-CXXFLAGS := -g -O2 $(addprefix -D, $(DEFINES)) $(addprefix -I, $(INCLUDES)) -std=c++11
-
 all : $(LIB)
 
 $(LIB) : $(OBJS)
 	$(AR) -r $(LIB) $(OBJS)
 
-%.o : $(addprefix $(SRCDIR)/, %.c)
-	$(CC) $(CCFLAGS) -c $<
-
-%.o : $(addprefix $(SRCDIR)/, %.cpp)
-	$(CXX) $(CXXFLAGS) -c $<
-
 clean:
 	rm -f *.o
+	rm -f *.a
 
 .PHONY: clean
 
+include ../compile.mk
+