5.1.0	Linux,Darwin	deprecated	gmp/5.1.1 mpfr/3.1.2 mpc/1.0.2
5.2.0	Linux,Darwin	deprecated	gmp/6.0.0 mpfr/3.1.3 mpc/1.0.3
5.3.0	Linux,Darwin	stable		gmp/6.0.0 mpfr/3.1.3 mpc/1.0.3