d0main_inquiry at yahoo.co.jp writes: I got failed when make check the gmp-6.0.0. I don't know what to do, any ideas please! Quoting the error message from your make run: Please report to gmp-bugs at gmplib.org, see https://gmplib.org/manual/Reporting-Bugs.html You got the first part right, but forgot about the important second part. Torbjörn