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Re: Host settings for GNU in configure*?
From: |
Svante Signell |
Subject: |
Re: Host settings for GNU in configure*? |
Date: |
Thu, 25 Aug 2011 14:50:33 +0200 |
On Thu, 2011-08-25 at 11:01 +0200, Samuel Thibault wrote:
> Svante Signell, le Thu 25 Aug 2011 10:58:43 +0200, a écrit :
> > 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,
>
> For instance?
See Guillems reply.
I see other examples too where i486-gnu is not forwarded by
debian/rules: mathgl, nbd. They use dh_auto_configure and in config.log
--build=i486-gnu is already set as an option to configure. I have not
yet found out where it is set, though.
> > > > 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,
>
> Yes, but that's the best we can do.
It looks like the triple
CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM e.g. i686-unknown-gnu
is not unique but
CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM e.g. i686-unknown-hurd-gnu
would. Or should the kernel be gnumach?
Has this ever been proposed and/or discussed with upstream autoconf?
/usr/share/misc/config.sub amd64-linux gives
x86_64-pc-linux-gnu while
/usr/share/misc/config.sub gives
x86_64-pc-linux-gnu
And a config.guess entry on kfreebsd would be:
i686-unknown-kfreebsd8.1-gnu
> > > > 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 ?
>
> When cross-compiling, it would be.
See Guillems reply here too. Thanks Guillem.
- Host settings for GNU in configure*?, Svante Signell, 2011/08/25
- Re: Host settings for GNU in configure*?, Samuel Thibault, 2011/08/25
- Re: Host settings for GNU in configure*?, Svante Signell, 2011/08/25
- Re: Host settings for GNU in configure*?, Samuel Thibault, 2011/08/25
- Re: Host settings for GNU in configure*?,
Svante Signell <=
- Re: Host settings for GNU in configure*?, Samuel Thibault, 2011/08/25
- Re: Host settings for GNU in configure*?, Svante Signell, 2011/08/25
- Re: Host settings for GNU in configure*?, Samuel Thibault, 2011/08/25
- Re: Host settings for GNU in configure*?, Svante Signell, 2011/08/25
- Re: Host settings for GNU in configure*?, Samuel Thibault, 2011/08/25
- Re: Host settings for GNU in configure*?, Guillem Jover, 2011/08/25
- Re: Host settings for GNU in configure*?, Svante Signell, 2011/08/25
- Re: Host settings for GNU in configure*?, Guillem Jover, 2011/08/25