Re: pkg/54752: devel/glib2 does not build on FreeBSD

[Joerg Sonnenberger <joerg%bec.de@localhost>]

On Sat, Dec 28, 2019 at 12:21:36AM +0100, Frédéric Fauberteau wrote:
> Le 2019-12-28 00:15, Joerg Sonnenberger a écrit :
> >  On Fri, Dec 27, 2019 at 10:40:01PM +0000, Frédéric Fauberteau wrote:
> >  >  Clang leaves undefined the environ(7) symbol but it seems that it is
> >  >  resolved when a binary is linked to glib2. The error occurs either
> > using
> >  >  the basesystem's Clang-6.0.1 or the pkgsrc's one (Clang-9.0.0). I do
> > not
> >  >  know if the problem comes from Clang of FreeBSD. The following patch
> > fix
> >  >  the build error:
> > 
> >  Just mark environ locally as weak.
> 
> I do not know how to do that.

extern __attribute__((__weak__)) char **environ;
or so should do it, whereever they declare environ.

Joerg