On Thursday 29 September 2005 23:12, Ron Hunter-Duvar wrote:
> I have a question for all you urpmi experts out there. Normally,
> I stick to urpmi whenever possible. But there are times when a
> newer package is needed than is available in an rpm. Or even the
> package needs some development work.
>
> I'm in that situation right now with sane. If I want to get my
> old scanner working (a Mustek 1200 III EP), I'm going to have to
> tweak the sane-mustek_pp back-end, because this particular model
> is not supported. Sounds like an interesting project...
>
> So I downloaded the latest stable tarballs to start with, and did
> the usual ./configure; make; su; make install. This put the
> executables in /usr/local/bin, the libraries in /usr/local/lib,
> and the config files in /usr/local/etc/sane.d. Of course, these
> locations can be overridden by passing a PREFIX value.
>
> Now here's the problem: Mandriva (10.1 Official) already has sane
> installed in /usr/bin, /usr/lib and /etc/sane.d. So now I have
> two versions of sane installed, one via rpms, and one via
> compiled source. But /usr/bin comes before /usr/local/bin in the
> standard path (and I'm sure there's something similar for
> libraries, though I forget exactly what at the moment). So the
> old version still gets invoked. It would have made more sense to
> me to have /usr/local come before /usr, to allow overrides like
> this, but it is what it is.
>
> So here are the options as I see them:
>
> 1. "urpme sane" to get rid of the old version. This was my first
> thought, but unfortunately, a lot of packages have dependencies
> on sane, and urpme wants to remove them too. This includes
> drakconf, harddrake, open office, and mdkonline! I don't think
> removing things like drakconf and harddrake is a good idea, so I
> aborted.
>
> 2. Force urpme to ignore dependencies (--force, I think?), but I
> don't know how these apps will behave with a newer version of
> sane than they were built with.
>
> 3. Recompile with PREFIX=/usr, so that the "make install"
> overwrites the older version of sane. But I think this would
> leave the rpm database in an inconsistent state relative to the
> file system. I don't think any good could come of that.
>
> 4. Recompile from source all the packages that get removed by
> urpme. Sounds like a lot of work.
>
> 5. Use checkinstall (I think that's what it was called) to build
> rpms from the source, then install those. But the only time I
> tried to use checkinstall, it was a disaster (don't remember the
> details though, just that it was bad).
>
> None of these options are pretty. Any other options I'm not
> considering? Is there not some way to make urpmi and source
> compilation cooperate? Some way to tell urpmi that "version x of
> package y really is installed, even though you don't think so"?
Here is what I would try : As root : menudrake. Find xsane (under
Multimedia, Graphics). Edit the command line to point
to /usr/local/xsane. Save.
Assuming you have xsane as a gui to sane, that *should* work.
Kaj Haulrich.
--
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