Re: Regression on Cygwin: Problems with parallel make in 4.4

[Ken Brown]

On 3/13/2023 9:15 AM, Paul Smith wrote:
> On Sun, 2023-03-12 at 11:25 -0400, Ken Brown wrote:
> > > If I'm right, the solution would seem to be to disable the use of
> > > pselect on Cygwin when the jobserver is using a fifo.  I'll try
> > > that on a local build of make and see if I can still reproduce the
> > > problem.
> >
> > Never mind.  My speculation is leading nowhere.  I just had 5
> > successful builds followed by a hang in the 6th attempt.  I guess I
> > just have to continue using a pipe for my TeX Live builds.
>
> The latest release (GNU Make 4.4.1) uses pipes for jobserver on both
> Cygwin and Hurd, which both seem to have problems emulating POSIX-style
> FIFOs.
>
> Did that change not work for you, or did you by-hand force the
> jobserver to use FIFOs for these tests?

We forced it to use FIFOs by configuring with -DJOBSERVER_USE_FIFO=1.

Ken