https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92627
--- Comment #4 from George R. Goffe <grgoffe at yahoo dot com> --- Hi, Pleas disregard this bug. It's a UFU (User Foul Up). The message CLEARLY says mpfr >= 3.1.0. I have mpfr 3.0 1. Can you spell dyslexia? Sorry for the misfire. Best regards, George...