[Bug bootstrap/65988] Trying to compile GCC 5.1 in my (customized) Solaris 10/x86-64 fails with GMP errors

[jcea at jcea dot es]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65988

--- Comment #2 from Jesus Cea <jcea at jcea dot es> ---
What can I do, then?