bug#30106: [PATCH 2/2] Fix module support if threads are disabled (Bug#30106)

[Eli Zaretskii]

> From: Glenn Morris <rgm@gnu.org>
> Cc: p.stephani2@gmail.com,  phst@google.com,  30106@debbugs.gnu.org
> Date: Thu, 18 Jan 2018 17:55:22 -0500
> 
> Eli Zaretskii wrote:
> 
> >> If it's not to be fixed then IMO in the meantime configure should
> >> explicitly reject --with-modules if threads are disabled.
> >
> > That'd replace one non-trivial change with another, so I think it's
> > worse than fixing the problem.
> 
> You think the following is non-trivial?

Yes, because it changes the configure script.  How do we know it won't
fail builds on some obscure platforms?