Bug#828986: liblrdf: FTBFS: devlibs error: There is no package matching [libraptor1-dev] and noone provides it, please report bug to d-shlibs maintainer

[Jonas Smedegaard]

Quoting Chris Lamb (2016-06-29 18:24:13)
>> this failure is most likely because your build environment is buggy
>
> It's always a fresh, clean container image that I recreate entirely 
> (not dist-upgrade) at 07:00 UTC on my laptop from the latest sid. I 
> run build-dep and then build with debuild; nothing special.

I believe that you do not expect your environment to be _too_ special, 
but highly suspect that you have applied some optimizations over, say, 
running debian-installer from bare metal for each and every build.

Can you try add an "apt update" in the build environment before building 
the package, and see if it still fails?


> Other systems -- including the reproducible builds servers -- can 
> reproduce the FTBFS, so I am not convinced at this point that my 
> environment is buggy.

Where do you see that?  The log currently linked from tracker.debian.org 
was another issue (since fixed in CDBS).


>> apt-file initializes its database when installed, and d-shlibs rely 
>> on that.
> 
> Ah, smells like the bug is there - d-shlibs does not depend on apt-file
[...] Sorry, not apt-file but apt-cache.  What d-shlibs rely on is an 
up-to-date APT cache (it calls "apt-cache --no-generate due to 
bug#630591 - which seems a no-op since ages but shouldn't fail either).

 - Jonas

-- 
 * Jonas Smedegaard - idealist & Internet-arkitekt
 * Tlf.: +45 40843136  Website: http://dr.jones.dk/

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