Re: Make 4.3.90 breaks makefile of dtc

[Andreas Schwab]

On Sep 22 2022, Dmitry Goncharov wrote:

> On Thu, Sep 22, 2022 at 4:39 AM Andreas Schwab <schwab@suse.de> wrote:
> ...
>> Interestingly, this eventually runs out of file
>> descriptors, because, due to -O, make keeps opening new pipes for
>> synchronizing the output without closing any.  Without -O, this would
>> probably go on forever.
>
> Make used to synchronize output by locking stdout. There was a recent
> change. Make now uses a temp file to synchronize output.
> There was also a change in replacing a pipe with a named pipe for
> jobserver synchronization.
> Can you please tell us how to reproduce?

Just using make -O should trigger this.  The same problem also happens
for other packages:

https://build.opensuse.org/package/live_build_log/Base:System/coreutils/openSUSE_Tumbleweed/x86_64

FAIL: tests/misc/sort-merge-fdlimit
===================================

sort: open failed: in/1: Too many open files
sort: open failed: in/10: Too many open files
sort: open failed: in/10: Too many open files
FAIL tests/misc/sort-merge-fdlimit.sh (exit status: 1)

FAIL: tests/split/r-chunk
=========================

./tests/split/r-chunk.sh: pipe error: Too many open files
stat: cannot statx 'x*': No such file or directory
FAIL tests/split/r-chunk.sh (exit status: 1)

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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