[Bug bootstrap/67363] [6 Regression] r227188 breaks build for mingw-w64

[ismail at i10z dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67363

--- Comment #15 from İsmail Dönmez <ismail at i10z dot com> ---
(In reply to dave.anglin from comment #14)
> On 2015-09-10 1:01 PM, ismail at i10z dot com wrote:
> > The patch declares the functions but those functions do not exist on mingw-w64,
> > seems to be this will just fail with an undefined symbol error.
> The routines are in liberty and the patch assumes that that they are 
> built.  If that's not the
> case on mingw-w64, then they will have to be provided by some other means.

Ah that makes sense, thanks!