[Bug libstdc++/48811] error in compiling libstdc++ with -std=gnu++0x

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48811

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-04-30 19:24:45 UTC ---
Building like that is completely unsupported.  If anything is worth fixing here
it would be to strip any -std option from the library build flags, to ensure
the library is built as it's supposed to be built.