[Haskell-cafe] various dependencies breakages
Hi there. I'm trying to reinstall gitit after updating to ghc 6.12 and it's driving me crazy. I hope you will be able to help me troubleshoot this mess ... I'm starting from scratch again, using cabal. I will post more problems as they appears. $ cabal install gitit Resolving dependencies... cabal: cannot configure datetime-0.2. It requires QuickCheck ==2.* For the dependency on QuickCheck ==2.* there are these packages: QuickCheck-2.1, QuickCheck-2.1.0.1, QuickCheck-2.1.0.2 and QuickCheck-2.1.0.3. However none of them are available. QuickCheck-2.1 was excluded because happstack-util-0.4.1 requires QuickCheck <2 QuickCheck-2.1.0.1 was excluded because happstack-util-0.4.1 requires QuickCheck <2 QuickCheck-2.1.0.2 was excluded because happstack-util-0.4.1 requires QuickCheck <2 QuickCheck-2.1.0.3 was excluded because happstack-util-0.4.1 requires QuickCheck <2 Can't cabal handle several versions of the same library in parallel ? If not, how can I solve this problem ? cheers tom ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
Re: [Haskell-cafe] various dependencies breakages
Cabal can handle multiple versions of libraries, but you need to find a consistent set of libraries when building any one executable, since they are all going to be linked together. In this case Cabal has apparently failed to find such a set. You might be able to get this to work with cabal instal gitit --constraint='datetime==0.1', since that version only demands QuickCheck > 1.2, and gitit doesn't specify a datetime version. I haven't tried this though. Happstack-util should probably not depend on QuickCheck at all if the "tests" flag is False -- this appears to be an omission in their Cabal file (http://hackage.haskell.org/packages/archive/happstack-util/0.4.1/happstack-util.cabal). The datetime package doesn't appear to make this a configurable dependency at all... Cheers, Max On 9 February 2010 10:40, Thomas Girod wrote: > Hi there. > > I'm trying to reinstall gitit after updating to ghc 6.12 and it's > driving me crazy. I hope you will be able to help me troubleshoot this > mess ... I'm starting from scratch again, using cabal. I will > post more problems as they appears. > > $ cabal install gitit > Resolving dependencies... > cabal: cannot configure datetime-0.2. It requires QuickCheck ==2.* > For the dependency on QuickCheck ==2.* there are these packages: > QuickCheck-2.1, QuickCheck-2.1.0.1, QuickCheck-2.1.0.2 and > QuickCheck-2.1.0.3. > However none of them are available. > QuickCheck-2.1 was excluded because happstack-util-0.4.1 requires > QuickCheck > <2 > QuickCheck-2.1.0.1 was excluded because happstack-util-0.4.1 requires > QuickCheck <2 > QuickCheck-2.1.0.2 was excluded because happstack-util-0.4.1 requires > QuickCheck <2 > QuickCheck-2.1.0.3 was excluded because happstack-util-0.4.1 requires > QuickCheck <2 > > Can't cabal handle several versions of the same library in parallel ? If > not, how can I solve this problem ? > > cheers > > tom > > ___ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe > > ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
Re: [Haskell-cafe] various dependencies breakages
thanks Lars and Max. It did the trick, except for one small detail : MissingH needs the "testpack -any" dependency, but cabal does not install it automatically. tom ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
Re: [Haskell-cafe] various dependencies breakages
The latest darcs head for happstack has changed the quickcheck dependency to > 2. You might try that. On Tue, Feb 9, 2010 at 7:13 AM, Thomas Girod wrote: > thanks Lars and Max. It did the trick, except for one small detail : > > MissingH needs the "testpack -any" dependency, but cabal does not > install it automatically. > > tom > > ___ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe > ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
