Re: Host settings for GNU in configure*?

[Svante Signell]

On Thu, 2011-08-25 at 10:48 +0200, Samuel Thibault wrote:
> Svante Signell, le Thu 25 Aug 2011 10:20:44 +0200, a écrit :

> > 1) Where to find the specification resulting in i486-pc-gnu?
> 
> I don't understand the question. Why would you want that ?

Some packages are configured with i486-pc-gnu, you find it in
config.log. Where does this come from in configure* If not specified
config.guess gives i686-unknown-gnu0.3.


> > 3) How to specify gnu uniquely in configure and configure.ac?
> > Example: configure.ac
> > *-linux*|*-k*bsd-gnu) action;; ->  *-linux*|*-k*bsd-gnu|"gnu here") action;;
> 
> I have added a section to the wiki, it's pending push.

Nice!

> > A common denominator of $host is
> > 
> > c) *-gnu*
> 
> This one: don't care the actual architecture, don't care the actual
> version of GNU.

It is not unique if * means wildcard, Is that not needed?

> > 6) Are these only local to the rules file?
> 
> I don't understand the question. They are dpkg-architecture output,
> that's all.

Yes, and they are used for logic in the rules (Makefile) right?, and not
exported in any way to configure*/outside ?