On Wed, Oct 6, 2021 at 5:01 PM Thomas Munro <thomas.munro@gmail.com> wrote:
> BTW, on those two OSes there are some messages like this each time a
> submake dumps its output to the log:
>
> [03:36:16.591] fcntl(): Bad file descriptor
>
> It seems worth putting up with these compared to the alternatives of
> either not using -j, not using -Otarget and having the output of
> parallel tests all mashed up and unreadable (that still happen
> sometimes but it's unlikely, because the submakes write() whole output
> chunks at infrequent intervals), or redirecting to a file so you can't
> see the realtime test output on the main CI page (not so fun, you have
> to wait until it's finished and view it as an 'artifact'). I tried to
> write a patch for GNU make to fix that[1], let's see if something
> happens.
>
> [1] https://savannah.gnu.org/bugs/?52922
For the record, GNU make finally fixed this problem (though Andres
found a workaround anyway), but in any case it won't be in the
relevant package repos before we switch over to Meson/Ninja :-)
