Re: cabal-install dependency on libghc-cabal-dev too tight

[Sven Bartscher <sven.bartscher@weltraumschlangen.de>]

> Am 05.05.2015 um 16:10 schrieb Joachim Breitner <nomeata@debian.org>:
> Am Dienstag, den 05.05.2015, 16:02 +0200 schrieb Sven Bartscher:
>>> Am 05.05.2015 um 10:38 schrieb Joachim Breitner <nomeata@debian.org>:
>>> your fix #778987 might have been too tight: Since you have a strict "="
>>> dependency, whenever we have to binNMU libghc-cabal-dev, we also have to
>>> do the same to cabal-install, and in the meantime, cabal-install is
>>> uninstallable in sid. I think we should try to avoid that.
>>> 
>>> Wouldn’t it be sufficient to have a ">=" dependency on the version it
>>> was built with? Possibly even ">= <upstream-part-of-the-version>“? 
>> 
>> I guess it doesn’t need to depend on the exact version it was built against.
>> I would suggest
>>> = <upstream-part-of-the-version> && << <upstream-part-of-the-version>.1 (this .1 is intentional)
>> This way cabal-install needs to be rebuilt whenever there is a new upstream
>> version of libghc-cabal-dev.
>> If we don’t set that upper bound, we risk that libraries (like hgettext) are
>> built against newer upstream versions of libghc-cabal-dev than cabal-install,
>> which could cause a mismatch between the CLI of cabal-install and that of
>> the library.
> 
> sounds ok. Care to prepare a patch?

I can do that next weekend.