Bug#822472: various haskell -dev packages are missing Built-Using attributes

[Sven Bartscher]

Am Mon, 4 Jul 2016 18:17:37 +0200
schrieb Matthias Klose <doko at debian.org>:

> On 04.07.2016 15:01, Sven Bartscher wrote:
> > On Sun, 24 Apr 2016 22:13:47 +0200 Matthias Klose <doko at debian.org>
> > wrote:
> >> [snip]
> >>
> >> [I was doing a transition (icu 55 to 57), and investigating some
> >> build failures with link failures, some missing icu55 symbols. I
> >> didn't find the appropriate haskell package immediately, because it
> >> neither has a dependency on the icu runtime library or a
> >> Built-Using attribute ]
> >>
> >> Seen with haskell-text-icu, but it looks like there are no
> >> Built-Using attributes for any C library used for many packages.
> >> Therefore filing this isssue on a package which is maintained by
> >> the debian haskell maintainers. Feel free to clone, reassign, ...  
> > 
> > I'm afraid I don't understand what the problem is.
> > I don't see why our packages would need Build-Using fields on any C
> > libraries, because AFAIK all our packages that use C libraries are
> > dynamically linked against them and have the appropriate Depends on
> > them.  
> 
> I don't think so. For your library -dev packages you don't have any
> such dependencies.

Could you name an example? You mentioned libghc-text-icu-dev earlier,
but it has dependencies on libc6, libicu55 and libicu-dev. I don't see
anything missing here.

> > Are you at DebConf? If so, maybe we could meet and you explain the
> > problem to me.  
> 
> yes.

You don't seem to be online on IRC, so finding you isn't trivial.

Regards
Sven
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