Re: parallel build failure with .c.o rule interrupted mid-step!

[Roland Illig <roland.illig%gmx.de@localhost>]

Am 06.03.2025 um 04:17 schrieb Greg A. Woods:
> At Wed, 05 Mar 2025 17:40:11 -0800, "Greg A. Woods" <woods%planix.ca@localhost> wrote:
> Subject: Re: parallel build failure with .c.o rule interrupted mid-step!
>>
>> Hmmmm.... maybe there's a clue to this problem in the fact the child
>> shell's output is to a pipe which must be read by make.  Maybe they get
>> closed too soon?
>
> Ah ha!  PIPE DEATH!  ???

Yes. The ktrace log shows that several child processes terminate due to:
>   3406   3406 make-2025.02.24. CALL  write(1,0x70addd3fda00,0x1f)
>   3406   3406 make-2025.02.24. RET   write -1 errno 32 Broken pipe
>   3406   3406 make-2025.02.24. PSIG  SIGPIPE SIG_DFL: code=SI_NOINFO

Thanks for the pointer,
Roland