[PATCH 06/13] Installed header hygiene (BZ#20366): Macros used in #if without checking whether they are defined.

[Paul Eggert]

On 09/21/2016 11:40 AM, Carlos O'Donell wrote:
> Isn't that just a normal coordination issue with gnulib?

I think so. Gnulib could readily change to follow whatever _LIBC 
practice is thought to be convenient for libc itself.