Martin-Éric Racine, le mar. 21 juil. 2026 17:44:43 +0300, a ecrit:
> ti 21.7.2026 klo 16.33 Samuel Thibault ([email protected]) kirjoitti:
> >
> > Martin-Éric Racine, le mar. 21 juil. 2026 16:12:54 +0300, a ecrit:
> > > ti 21.7.2026 klo 0.11 Michael Kelly ([email protected]) kirjoitti:
> > > > On 19/07/2026 09:30, Martin-Éric Racine wrote:
> > > > > Since then, I got around packaging the latest upstream. If anybody
> > > > > feels like porting that one, diffs are welcome.
> > > >
> > > > I don't think the required fixes for adjtime, which were merged to the
> > > > glibc and gnumach sources, have made it to binary distribution yet. I'm
> > > > happy to try to get the latest upstream working once that has happened.
> > >
> > > I have the enclosed diff so far. It somehow barfs at compiling 
> > > constraint.c:
> > >
> > > constraint.c: In function ‘priv_constraint_child’:
> > > constraint.c:395:13: error: implicit declaration of function
> > > ‘setresgid’; did you mean ‘setregid’?
> >
> > >
> > > This shouldn't happen since unistd.h and time.h are included at the
> > > start of the file.
> >
> > See the man setresgid etc. you need to #define _GNU_SOURCE to get these.
> 
> What is the preferred way of checking if we are on Hurd to define it?

It's not specific to the Hurd, it's the same on Linux: if you don't
define _GNU_SOURCE, you don't get the declaration of setresgid.

Samuel

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