[PATCH] PR libstdc++/17850: Newlib doesn't provide strtold

[Benjamin Kosnik]

>The following patch is my proposed solution to PR libstdc++/17850
>which is a bug in libstdc++-v3's configure script that always defines
>HAVE_STRTOLD on newlib targets, even though newlib does not (nor ever
>has) provided an implementation of strtold.  Unfortunately, this bug
>was benignly latent until my recent patch to enable building libstdc++
>on IRIX by checking _GLIBCXX_HAVE_STRTOLD, which exposed this problem
>and breaks bootstrap on affected newlib targets on both mainline and
>the gcc-3_4-branch.  Doh!  [I know, it's just not my week!]

This is fine. I just double checked, newlib does not have strtold, you are correct.

Thanks. This is fine for mainline and gcc-3.4.x.

-benjamin