[PATCH] PR libstdc++/78870 support std::filesystem on Windows

[Sandra Loosemore]

On 06/16/2018 05:05 PM, Jonathan Wakely wrote:
> Oops, that message got bounced from the lists and was the wrong
> version of the patch anyway - this is the one I meant to attach.
> 
> On Sun, 17 Jun 2018 at 00:00, Jonathan Wakely <jwakely.gcc@gmail.com> wrote:
>>
>> Here's what I wanted to test, which removes the new AC_CHECK_FUNCS (replacing them with GLIBCXX_COMPILE_OR_LINK tests that shouldn't even get run on bare metal ).

This patch worked for me, or at least I got successful builds now.  I'm 
testing the new C-SKY port and built both csky-elf and csky-linux-gnu. 
(I expect to be submitting the port within the next few weeks.)

-Sandra