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

[Matthias Klose]

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:
>> Package: haskell-devscripts
>> Version: 0.10.2.3
>> Severity: serious
>> Tags: sid stretch
>>
>> [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.

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

yes.