Heads up: Problems with parallel make
Tue Feb 21 00:48:37 GMT 2023
On 2/20/2023 6:29 PM, Ken Brown via Cygwin-apps wrote:
> On 2/20/2023 5:00 PM, Ken Brown via Cygwin-apps wrote:
>> On 2/20/2023 2:12 PM, Marco Atzeri via Cygwin-apps wrote:
>>> uploaded as test 22.214.171.124-1
>>> following message is still present while missing in 4.4-1
>>>> make: warning: jobserver unavailable: using -j1. Add '+' to
>>>> parent make rule.
>>> and I do not see clear evidence of parallelism like in 4.4-1
>> I doubt if this is related to the pipe vs. fifo issue, but maybe you
>> should test 126.96.36.199-1 to be sure.
>> Do you have a simple way to reproduce the problem? For example, does
>> it happen if you just make a toy cmake project?
> Ignore what I said about 'make -j13 check' working right in the TeX Live
> build. I just retried it and saw the "jobserver unavailable" message.
> When I saw several makes running at once, I think it was because of
> recursion, not parallelism. So there's a real problem that can be
> reproduced without cmake.
I'm going to report this upstream, as a continuation of the upstream bug
report that I filed earlier.
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