[Reproducible-builds] Bug#790844: probably caused by timezone changes
mattia at mapreri.org
Sat Jul 4 15:28:29 UTC 2015
On Sat, Jul 04, 2015 at 05:21:01PM +0200, Alexandre Detiste wrote:
> > thanks for caring about reproducible builds and filing bugs against your own
> > packages! :-)
> I got conviced (and a bit entertained) by the talk at FOSDEM ;-)
> I think that Mattia's guess was closer:
eheh, that was really a guess!
/me goes making some bets....
> >> Quite some FTBFS on our infrastructure are do to us using
> >> DEB_BUILD_OPTIONS=parallel=23 (e.g. very high) and some packages not coping
> >> fine with it.
> I finally found ou the likely cause:
> 'install' target in Makefile.in is split in tiny chunks.
I didn't look at any way at the package other than the build log.
> I don't know if it still make any sense, this was already done that way
> before the SVN -> Git transition from 2005, and I'm maintaining this
> for less than a year.
> "install : install1 install11 install2 installdirs cruft"
> If 'install11' run before 'intall1'; it fails.
> Adding a simple sleep 0.1at the top of "intall1" always trigger
> an error in "install11".
> Adding an extra "mkdir -p $(DESTDIR)/usr/lib/cruft/" fix this permanently (?)
well, maybe if they are too tiny even mergning them can make sense
> > To achieve reproducibility you will also need to normalize the timezone during
> > build (eg set TZ=UTC) or wait til debhelper does this for you.
> All the previous run that didn't FTBFS were reproducible;
> are there any other changes needed ?
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