Re: GNU config (config.sub/guess) is now GPLv3 with additional permission

[Florian Weimer <fw@deneb.enyo.de>]

* Henrique de Moraes Holschuh:

> The above covers the vast majority of packages, as it is very rare for
> any build system to need config.sub or config.guess and _not_ use GNU
> autoconf.

The exception does not require that the configuration script generated
by Autoconf is actually used for anything (not even calling config.sub
or config.guess), so it trivially extends to any package regardless of
licensing:

>    As a special exception to the GNU General Public License, if you
>    distribute this file as part of a program that contains a
>    configuration script generated by Autoconf, you may include it under
>    the same distribution terms that you use for the rest of that
>    program.  This Exception is an additional permission under section 7
>    of the GNU General Public License, version 3 ("GPLv3").