[PATCH] Make sys/timerfd.h usable without __USE_POSIX199309

[Jonathan Nieder]

Ulrich Drepper wrote:
> On Sun, Oct 16, 2011 at 16:23, Jonathan Nieder <jrnieder@gmail.com> wrote:

>> Thanks for explaining.  I believe it is worth it to add that extra
>> #ifdef, so programmers can understand why their code is failing.  So
>> how about this?
>
> This is a rats nest.  I really don't want to go through all the
> headers and do that.

Then why not just the one header that was reported (and which, unlike
most headers, due to this problem is not self-contained)?