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Re: Heads up: Noarch Subpackages



On Fri, 13 Feb 2009, Florian Festi wrote:

Ville Skyttä wrote:
Regarding policy changes, one candidate for addition would be that if a non-noarch package does noarch subpackages, it MUST BuildRequire rpm-build >= 4.6.0. Or if there's a way to wrap the "BuildArch: noarch" for subpackages in a %if $something ... %endif where $something evaluates to true only in rpmbuild versions supporting these noarch subpackages, that'd be ok too. This is because if such a package is built with an earlier rpmbuild version, the build can succeed but not only the one expected subpackage will be noarch, but so will/may be the main package and all other subpackages as well. These builds often fail because of invalid options ending up passed to ./configure or debuginfo extracted but not packaged, but there are scenarios where the build doesn't fail and chaos ensues.

I agree that this is a problem. But I very much dislike putting BuildRequires to rpm versions into spec files. If we start with that every package will have them very soon. We - RPM upstream - are already working on the next improvements for rpmbuild that would also lead to such BuildRequires. Even worse is that they will get outdated easily and unnoticed - as they are only being some last line of defence - and though be useless when they are really needed.

As another solution for this problem we (ehm, Panu) will backport a check that will make noarch packages (both regular and noarch) fail to build if they contain binaries (==colored files==the right thing to do even for emulators, bioses, cross compilers, ...[1]). This additional check will be in place before koji will be updated [2].

Slight correction: checking for binaries in noarch packages is related but different than the rpm < 4.6 issue: rpm 4.4.x does funny things when sub-packages try to declare themselves as noarch, and that needs an entirely different fix (fail the build right at the start which it should've always done).

	- Panu -


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