[Haskell-cafe] Finding dependencies in cabal
OK, I'm trying to install Haskore and it depends on an old version of QuickCheck. I'm happy to hack and update, but is there any way of finding out which modules depend on QuickCheck rather than going through each file one by one? The build-depends is right in the cabal file, where it should be; however, I don't know who puts it there when the cabal package was built. Is there any way to find out? Dave Barton ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
Re: [Haskell-cafe] Actually loading a Cabal package in GHCi
Daniel and Filipe, both of you, thank you. Let me be specific. I have done a "cabal install Haskore" and also downloaded some HasChorus source, which uses Haskore. I was imprecise before: the package is there, I just can't see it. As follows: --- d...@hypno:~/haschorus-1.2.1$ ghci GHCi, version 6.10.4: http://www.haskell.org/ghc/ :? for help Loading package ghc-prim ... linking ... done. Loading package integer ... linking ... done. Loading package base ... linking ... done. Prelude> :m Haskore Prelude Haskore> :l HasScales [1 of 1] Compiling HasScales( HasScales.lhs, interpreted ) HasScales.lhs:33:16: Not in scope: type constructor or class `AbsPitch' And so on (lots of similar errors). Haskore defines AbsPitch. I can't even load Haskore, because it is a "package module", to wit: - Prelude Haskore> :l Haskore : module `Haskore' is a package module Failed, modules loaded: none. So that's where I am. I don't know how to make the stuff Haskore has visible to the modules I'm working with in an interpreted context. Again, I know this is easy; I just can't figure it out! Dave Barton ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
[Haskell-cafe] Actually loading a Cabal package in GHCi
OK, I know this is a newbie kind of thing (I guess I am a newbie to GHCi). I've been over and over and over the wiki and I just can't find the answer to this very, very elementary question. How can I load a package that I've downloaded using Cabal into GHCi? When I do the :l, it just doesn't see the thing. On one level, this is clear: the downloaded Cabal packages (yes, more than one) are under .cabal in $HOME and not in the lib/ghc area. OK, fine. But there's no package data base to point to so that the packages can be loaded. This just *has* to be a simple thing, but I just can't find it, no matter how flat my head gets beating against the wall. I apologize for the density of my skull, but can someone point me in the right direction here? Thanks. Dave Barton University of Toronto ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
[Haskell-cafe] Failure to load hmatric
OK, I'm working on matrix stuff in Haskell now (I've been trying to get the professor to approve that) and when I use cabal install to install hmatrix, it fails at HUnit with: --- Configuring HUnit-1.2.2.1... Preprocessing library HUnit-1.2.2.1... Preprocessing executables for HUnit-1.2.2.1... Building HUnit-1.2.2.1... [1 of 5] Compiling Test.HUnit.Terminal ( Test/HUnit/Terminal.hs, dist/build/Test/HUnit/Terminal.o ) [2 of 5] Compiling Test.HUnit.Lang ( Test/HUnit/Lang.hs, dist/build/Test/HUnit/Lang.o ) [3 of 5] Compiling Test.HUnit.Base ( Test/HUnit/Base.hs, dist/build/Test/HUnit/Base.o ) [4 of 5] Compiling Test.HUnit.Text ( Test/HUnit/Text.hs, dist/build/Test/HUnit/Text.o ) [5 of 5] Compiling Test.HUnit ( Test/HUnit.hs, dist/build/Test/HUnit.o ) /usr/bin/ar: creating dist/build/libHSHUnit-1.2.2.1.a Test/HUnit/Lang.hs:22:1: lexical error at character 'i' cabal: Error: some packages failed to install: HUnit-1.2.2.1 failed during the building phase. The exception was: exit: ExitFailure 1 Short term question: what the heck do I do with this? Long term question: how can I handle cabal failures of this type without bothering the list every time? Dave Barton University of Toronto ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
