On Sun, Jun 02, 2019 at 12:02:04PM -0300, Guillermo wrote:
> Do you happen to build skarnet.org packages statically linked to musl
> on those Void machines, or do you let them link to the distribution's
> libc?

On both Alpine and Void, I use the stock packages for skaware from the
distros, and both use dynamically linked binaries.

> Yeah, what triggers s6-envuidgid's failure here is that endgrent() is
> setting errno to the weird EINVAL value, the program checks errno
> *after* the call, and thinks it was caused by a failing  getgrent()
> call. Would it be to much to ask you if you could also check if
> endgrent(3) flips errno from 0 to EINVAL?

Actually it is trivial :)  Just compiled your test code and the runtime
result is:
> name: root members: (errno = Invalid argument)
> name: kmem members: (errno = Invalid argument)
> [...]
> End of file or error (errno = Success)
> errno = Success
So on my system endgrent(3) does not change errno from 0 to EINVAL.

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