[Bug bootstrap/54419] [4.8 Regression] Compiling libstdc++-v3/src/c++11/random.cc fails on platforms not knowing rdrand

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54419

--- Comment #8 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-08-31 17:16:36 UTC ---
Is it clear which are the specific requirements for the various x86* targets?
I'm wondering if after all it's just matter of updating:
http://gcc.gnu.org/install/specific.html