* Guillem Jover <guil...@debian.org>, 2011-06-06, 09:55:
And I think we should just go ahead with a flag day and declare
build-arch/build-indep mandatory (at least for the cases were it makes
sense, see below).
Agreed.
I'd even go further and combine that with dpkg-buildpackage stopping to
set compilation flags on the environment, so we only have to deal once
with possible mass FTBFS on the archive.
I don't think this is a good idea. To enable build-arch, we'll probably
need quite a few NMUing volunteers, and it IME is very demotivating when
you have to fix a seemingly simple bug (e.g. missing build-arch target)
only to discover tha the package would mysteriously FTBFS anyway (e.g.
because it relied on *FLAGS exported by dpkg-buildpackage).
Also not all packages really need them:
[...]
They really only makes sense for source packages providing both
arch:any and arch:all packages.
This should reduce the affected packages.
Just to provide some statistics:
- There are 16491 source packages in unstable[0].
- Out of these, 2206 source package build both arch:all and arch:any
binaries[1].
- Out of these, 214 already FTBFS in unstable[2].
- Out of remaining 1992 packages:
+ 486 use so called "tiny" debhelper rules.
+ 664 use cdbs.
+ At least 175 defines both build-arch and build-indep explicitly.
So that leaves us with at most 667 packages to fix (plus an unknown
number of packages that define build-{arch,indep}, but do so
incorrectly). This is still a big number, we'd roughly double the number
of currently observed FTBFS bugs if we announced flag day *today*.
However:
- Lintian doesn't warn about missing build-* targets yet, so many
maintainers are not aware that their package are affected by this issue.
- These FTBFS would be trivial to fix. We'd just need an small army of
volunteers (say, 10 people) to fix most of them in a single weekend.
[0] UDD query:
select distinct source from packages
where distribution='debian' and release='sid';
[1] UDD query:
select * from (
select source, count(package) as arch_all from packages
where distribution='debian' and release='sid' and architecture='all'
group by source
) pkg_all
natural join
(
select source, count(package) as arch_any from packages
where distribution='debian' and release='sid' and architecture!='all'
group by source
) pkg_any;
[2] UDD query (for all FTBFS bugs):
select source from bugs
where affects_unstable and severity>='serious' and title ilike '%ftbfs%' and
status!='done';
--
Jakub Wilk
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