Improving the way we select multilib packages for trees

[Jeremy Katz]

On Fri, 2006-04-28 at 14:23 -0400, Jeremy Katz wrote:
> What does this mean to you as a package maintainer?  In a lot of cases,
> hopefully nothing.  But there are cases where header files included in
> packages are generated at build-time and have an architecture or build
> specific nature.  These conflicts will need to be fixed similar to how
> things have been fixed for runtime library issues -- either moving files
> around or removing the cause for the difference.  If there is a valid
> reason for them to be different, then you might want to explore having a
> common stub header that includes the different headers as appropriate
> (eg, how /usr/include/gnu/stubs.h is handled)

And, now I've gone through and tried to install all of the i386 -devel
packages on a full x86_64 install to find the conflicts.  The picture
isn't too bad -- there are 110 conflicts, but they tend to fall into a
few general categories and a couple of the categories take care of
fixing lots of packages.  The list of conflicting packages is attached.

The categories of problems are:
* foo-config scripts.  As previously mentioned on this thread, the best
way to fix these is to create a pkg-config file and replace the
foo-config script with a wrapper that calls pkg-config (and is thus the
same on all arches)
* gtk-doc creates lots of conflicts -- it looks like this is probably
due to the links within documents being auto-generated.  Using some sort
of consistent way of generating the link ids would fix this and make it
easier to find out what's really changed in the gtk-doc.
* jar(/zip) conflicts in java packages -- looks like this is due to
timestamps in the archives.  Is there a way that these can be generated
similar to gzip -n?
* some of the modular X libs look like they compress the man pages
themselves but without using gzip -n
* actual header file conflicts
* a few weird cases where buildroots get encoded other places
(eg, /usr/bin/compile_et) or packages not properly using %{_libdir} (eg,
inn-devel)

I'll work on making the full output with the exact conflicts in each
package available later tonight but wanted to get info out about which
packages were problematic.  Also, I plan to start filing bugs on
packages which haven't been fixed on May 16th.

Jeremy
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eclipse-platform-devel-3.1.2-1jpp_13fc
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gd-devel-2.0.33-6.2
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