Re: pbuilder and scons
On Tue, Dec 13, 2005 at 11:30:04AM -0500, Roberto C. Sanchez wrote:
> Paul Wise wrote:
> > As other people noted new and in old threads, this is because pbuilder
> > runs debian/rules clean outside the chroot. To work around it, put a '-'
> > in front of the scons -c line in debian/rules, so that make ignores any
> > errors from that line. An example from one of my packages:
> >
> > clean: unpatch
> > dh_testdir
> > dh_testroot
> > -scons VERSION=$(VERSION) SKIPPLUGINS=System -c
> > -rm -rf .sconf_temp .sconsign.dblite SCons/Tools/crossmingw.pyc build config.log .test
> > dh_clean
> >
>
> That is awesome. I have read many docs about make, but never knew that
> the '-' at the beginning of the line caused make to ignore errors from
> that command. Maybe I have just overlooked it all this time.
But please don't overuse it. Granularity is a good thing here.
-scons means that *every* error is ignored. It would be much better
to check for precisely what you need, possibly:
[ -e /usr/bin/scons ] && scons VERSION=$(VERSION) SKIPPLUGINS=System -c
What you want to avoid is the case where execution of "scons" fails
for some other reason.
There was a recent discussion about this granularity in error
checking, either on -devel list, or in a bug log (probably both); I
forget the context, though.
Anyway, pbuilder does what it does for a good reason. Why subvert its
intent?
--
Clear skies,
Justin
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