[PATCH] Backport r192458 to gcc-4_7-branch

[Jonathan Wakely]

On 14 May 2013 14:14, Evgeniy Stepanov wrote:
> Hi,
>
> this patch merges r192458 into gcc-4_7 to fix separate configure/build
> of libstdc++.
>
> A bit of history: a similar patch was committed to trunk & 4.7 back in
> Oct'12, then reverted from both, than this patch was committed to
> trunk only. I wonder if it was simply lost for some reason?
>
> Is it OK for backporting to 4.7?

I'd like to know what problem it solves and why it was reverted before
making that change on a stable release branch.