bug#42652: emacs-27.1-rc1 and configure error on Solaris 11.3

[Eli Zaretskii]

> Date: Sat, 01 Aug 2020 18:01:03 +0200 (CEST)
> From: Werner LEMBERG <wl@gnu.org>
> Cc: eliz@gnu.org, 42652@debbugs.gnu.org
> 
> 
> >> >     configure: error: invalid package name: selinux
> >
> > Oh, you're right. There was a trailing space in '--without-selinux '.
> 
> Note sure what package is responsible for the error message, but I
> think it would help if the package name gets quoted to avoid such
> problems:
> 
>   configure: error: invalid package name: 'selinux '

I tend to agree, but please report this to the Autoconf folks, because
AFAIU we just use AC_ARG_WITH here.