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Re: config.guess manufacturer string?

On Wed, 18 Feb 2009, Stepan Kasal wrote:

Hello Jakub,

On Wed, Feb 18, 2009 at 05:39:49PM +0100, Jakub Jelinek wrote:
On Wed, Feb 18, 2009 at 05:36:32PM +0100, Stepan Kasal wrote:
My reading of http://sourceware.org/autobook/autobook/autobook_17.html is
that the manufacturer part of the configuration name is the manufacturer
of the CPU, not "OS vendor" so the former "redhat" was always incorrect.


That's nice, except that "pc" or "unknown" are completely useless in the
triplets, while having redhat there provides very useful information.

if this is your opinion, then you should report that to
config-patches gnu org
As you know, config.guess usually gets copied to the tree by the maintainer
(usually by "automake -a").  Whatever version the maintainer happens
to have, it gets stored to the release tarball.
With that in mind, it seems really ridiculous to maintained a patched
version of config.guess for years.  If you won't succeed convincing
upstream that abusing ("broadening"?) the manufacturer field this way
is a good idea, you should rather return to the upstream version.

Actually, if you care about the host triplet used for rpm builds,
that's something where config.guess is not directly involved.

Most spec files call %configure.  That macro calls configure with
option --build.  With that option given, configure does not call

So it is possible that you would be satisfied if the %configure macro
./configure  --build=i686-redhat-linux-gnu --host=i686-redhat-linux-gnu

To achive that, it is sufficient to modify the macro %{_host}.
(Macro %{_host_vendor} should probably be modified as well.)

No, I do not see the reason for doing this.  Should all Linux
distributions do the same?

Just for some data points... from what I could find it seems that everybody is doing something slightly different here. Mind you I didn't actually try out these things, this just based on findings of build logs on the net and looking at a few sources from distros so take it with a grain of salt and feel free to correct me if mistaken:

Mandriva changes %configure to just pass --build=%{_target_platform}, where the target platform is set as <arch>-mandriva-linux.

Suse patches automake's config.guess to return <arch>-suse-linux, and based on random sampling of src.rpm's, dont seem to be using %configure that much at all, most of what I checked just use ./configure.

Then there's Debian, where the default configure invocation apparently defaults to --build=<arch>-linux.

So "abusing" the manufacturer part for distro vendor name seems to be not an entirely uncommon thing.

	- Panu -

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