[PATCH xserver v2] meson: Fix epoll detection

[Peter Harris]

On 2017-08-14 4:45 PM, Keith Packard wrote:
> Peter Harris <pharris at opentext.com> writes:
>> -#if !HAVE_OSPOLL && HAVE_EPOLL_CREATE1
>> +#if !HAVE_OSPOLL && defined(HAVE_EPOLL_CREATE1)
> 
> Should be using defined for HAVE_OSPOLL as well?

HAVE_OSPOLL is only defined inside this file, not by autoconf/meson, so
it's always defined to 1.

The rest of os/ospoll.c uses #if instead of #ifdef everywhere. I'd be
inclined to update all of them if I were to paint that particular bikeshed.

Peter Harris
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