[Fedora-packaging] Re: Generic filtering macros...
pmatilai at laiskiainen.org
Wed Jun 10 11:57:40 UTC 2009
On Fri, 5 Jun 2009, Chris Weyl wrote:
> On Fri, Jun 5, 2009 at 12:30 AM, Panu Matilainen
> <pmatilai at laiskiainen.org> wrote:
> As a generic filtering mechanism this is a no-go, doing this breaks
> multilib as Fedora uses it:
> %global _use_internal_dependency_generator 0 \
> Multilib-safe filtering mechanism needs to be bolted to the
> internal dependency generator, patches welcome... The other
> alternative would be killing the multilib coloring which would
> "only" require splitting all relevant packages to separate -libs
> etc to avoid elf32/elf64 binary collisions (which the multilib
> coloring currently hides)
> AFAIK disabling the internal dependency generator is the only way to
> filter dependencies of this nature (namely, solib provides).
Currently yes, hence the "patches welcome" :)
> Is there some way we could either do the necessary file coloring
> external to rpm, segregate the dependency and coloring functionality, or
> gain access to modify the auto-prov/dep results (if not functionality)
> using the embedded lua interperter?
Doing the coloring externally would require changing the external
dependency generating quite dramatically as the internal coloring and
dep generation is per-file, whereas external dependencies are per package.
Separating the coloring from dependency generation should be quite
possible but results in yet-another package style variant. Whether it
matters ... dunno. But that'd be still be working around the fact that
what is really needed is a proper dependency filtering/customization
mechanism that doesn't require jumping through 15 hoops.
> Also, if I read this correctly, the only impact disabling the internal
> dependency generator has on multilib is when elf32/64 binaries are
> actually present in the package, right?
Yup, packages with elf32/64 binaries are the only cases where it really
matters. The internal dep generator adds some other things besides the
coloring: file classes and per-file dependency information that the
external one cannot do, but that extra info is not really used by
anything (at least in part because its not available everywhere).
- Panu -
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