Panu Matilainen wrote:
On Fri, 13 Feb 2009, Michael DeHaan wrote:
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outdated easily and unnoticed - as they are only being some last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].
I'm a bit confused by this change. In my case, cobbler embeds a copy
of elilo because we want to be able to make an install server that
runs on x86/x86_64/other that also can install ia64/ppc/etc. Same
for syslinux, etc -- you may want to run an install server on ia64
that serves up x86/x86_64 content. Thus this content is stuff we
need to /serve up/ rather than content we need to run on that
host. I /think/ that's why I'm CC'd on this.
It would be great if those packages themselves (syslinux) could have
noarch portions, so any package could carry them as a payload.
The alternative is asking the user to find this content themselves,
and right now it's not possible to install elilo on a x86 system with
yum, which makes it quite confusing on them.
I would prefer that, at least, there was a way to bypass this binary
file check in the specfile for apps that have a legitimate reason to
do it.
Yes, there's an override, precisely for these kind of reasons:
# Should binaries in noarch packages terminate a build?
%_binaries_in_noarch_packages_terminate_build 1
Turning that off in spec will make binaries in noarch packages a
warning, and it serves as documentation "yes we're doing something a
bit special, this is intentional" too.
- Panu -
Outstanding, do I have to if around which builds pass that flag/macro?
(i.e. would an EPEL 4 build (or an older rpmbuild) understand that?)
--Michael
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