start: $(info No recipe specified!) xmath: mkdir -p build/include mkdir -p build/lib mkdir -p XMath/intermediate g++ -c XMath/BigInteger.cpp -o XMath/intermediate/BigInteger.o g++ -c XMath/Matrix.cpp -o XMath/intermediate/Matrix.o ar rcs build/lib/libxmath.a XMath/intermediate/* cp XMath/*.h* build/include/ rm -r XMath/intermediate/ clean: mkdir -p build rm -r build mkdir -p XMath/intermediate rm -r XMath/intermediate