default:
	cp withgmp.hpp include.hpp
	g++ -Wall -Wextra -pedantic -Werror -lgmp -lgmpxx main.cpp -o collatz
	strip collatz
	rm include.hpp
gmpless:
	cp nongmp.hpp include.hpp
	g++ -Wall -Wextra -pedantic -Werror main.cpp -o collatz
	strip collatz
	rm include.hpp