Issues with clock_gettime(CLOCK_REALTIME, &wait) pre macOS 10.13

[Ken Cunningham]

On 2018-10-23, at 1:57 AM, Chris Jones wrote:

> Hi,
> 
> I've stumbled into the same issue twice in recent days, with two different ports, which is the use of
> 
> clock_gettime(CLOCK_REALTIME, &wait);
> 
> which is only available in macOS 10.12 or newer. See for instance the issue I found yesterday in xrootd.
> 
> https://github.com/xrootd/xrootd/issues/846
> 
> I am still waiting to see what upstream say, but I am hopeful they will consider it a bug. ( It would seem quite extreme to reduce the supported OSX releases from 10.7+ to 10.12+ in a minor patch revision...)
> 
> But I was wondering, is this something anyone else has stumbled over, and do we have a way of fixing this particular issue in the older OSes ?
> 
> Chris


We have worked around this in a number of ports so far, and turned off some functionality in others.

I use the_silver_searcher to find stuff like this, for example in the macports-ports repo:

ag -i clock_gettime .


Best,

Ken