[PATCH] D34158: For Linux/gnu compatibility, preinclude <stdc-predef.h> if the file is available

[Joerg Sonnenberger via cfe-commits]

On Tue, Sep 12, 2017 at 08:12:26PM +0000, Blower, Melanie via cfe-commits wrote:
> How is platform opt-in accomplished, is it part of the configure step?

It is part of the Linux toolchain, other platforms interested in this or
equivalent functionality would have to duplicate the hook.

Joerg