[Haskell-cafe] errors while installing yesod 0.8

[Michael Snoyman]

I was also able to install monad-control, both with GHC 7 and 6.12.3. A more
detailed error log will definitely be helpful here.

Michael

On Wed, Apr 20, 2011 at 2:58 AM, Rogan Creswick <creswick at gmail.com> wrote:

> On Tue, Apr 19, 2011 at 4:22 PM, Michael Litchard <michael at schmong.org>
> wrote:
> > yesod-static-0.1.0 depends on monad-control-0.2.0.1 which failed to
> install.
> >
> >
> > This is what happened after I did cabal update, then cabal-dev install
> > yesod. This is the original error I received.
>
> Just for a point of reference - I just tried this and
> monad-control-0.2.0.1 build just fine. (The build failed overall
> because I didn't have the correct unix-compat c library deps
> installed.)
>
> I poked into the monad-control build system, and the only thing that
> strikes me as at all unusual is that it uses unicode symbols for ::
> and -> in Setup.hs.
>
> --Rogan
>
> > So what else can I try?
> >
> > On Tue, Apr 19, 2011 at 3:30 PM, Rogan Creswick <creswick at gmail.com>
> wrote:
> >> On Tue, Apr 19, 2011 at 3:10 PM, Michael Litchard <michael at schmong.org>
> wrote:
> >>> New information, may be helpful.
> >>>
> >>> I manually installed hamlet 0.8 with cabal-dev, and it seemed to
> >>> install. Here is the message
> >>>
> >>>
> >>> Registering hamlet-0.8.0...
> >>> Installing library in
> >>> /home/mlitchard/hamlet-0.8.0/cabal-dev//lib/hamlet-0.8.0/ghc-6.12.3
> >>> Registering hamlet-0.8.0...
> >>
> >> It looks like you manually downloaded the hamlet-0.8.0.tar.gz,
> >> unpacked it, and ran cabal-dev install from inside there -- is that
> >> right? (There's nothing wrong with doing it that way, but it doesn't
> >> quite do what you expected, based on the rest of your email.  Also, if
> >> my assumption is wrong, then the rest of my advice may not help.)
> >>
> >> First, it's important to know that cabal-dev sandboxes everything it
> >> can.  If you want to install hamlet into your .cabal directory, then
> >> you need to use cabal, not cabal-dev.  Cabal-dev is meant to keep
> >> everything for a given project separate from everything else -- in
> >> this way you can have multiple projects that depend on conflicting
> >> libraries building at the same time, and it also means that
> >> coincidental changes to your user package database won't cause
> >> spurious *successes* when you build something, which is a surprisingly
> >> common problem.  Unfortunately this means that the first time you
> >> build a project with cabal-dev, it tends to take a long time (it has
> >> to build everything it depends on).
> >>
> >> Now, there are (at least) two important take-away points /
> >> implications of using cabal-dev:
> >>
> >>  (1) cabal-dev won't install a library into a standard location.
> >> That's by design, so you don't usually want to cabal-dev install
> >> dependencies manually.
> >>  (2) cabal-dev uses the local hackage cache to select packages in the
> >> same way cabal does (cabal-dev actually just uses cabal to do this).
> >>
> >>> mlitchard at apotheosis:~/yesod-0.8.0$ cabal-dev install
> >>> Resolving dependencies...
> >>> cabal: cannot configure yesod-0.8.0. It requires hamlet ==0.8.*
> >>> There is no available version of hamlet that satisfies ==0.8.*
> >>
> >> I think you just need to run 'cabal update' so cabal-dev can see the
> >> latest version of hamlet, after which you can cabal-dev install yesod.
> >>
> >> There are a couple other things to try if that doesn't work for some
> reason.
> >>
> >> --Rogan
> >>
> >>
> >>>
> >>> I noticed it did not install in the $HOME/.cabal/ path. How do make
> >>> sure it does that?
> >>> I think if I can get it to install in the right place this will work
> out.
> >>>
> >>> On Tue, Apr 19, 2011 at 2:52 PM, Rogan Creswick <creswick at gmail.com>
> wrote:
> >>>> On Tue, Apr 19, 2011 at 2:18 PM, Michael Litchard <
> michael at schmong.org> wrote:
> >>>>> mlitchard at apotheosis:~/monad-control$ cabal install
> >>>>> Resolving dependencies...
> >>>>> Configuring monad-control-0.2.0.1...
> >>>>> cabal: Error: some packages failed to install:
> >>>>> monad-control-0.2.0.1 failed during the configure step. The exception
> was:
> >>>>> ExitFailure 11
> >>>>>
> >>>>>
> >>>>> note: I've been trying to use the cab command to manage my packages,
> I
> >>>>> get the same error as above when I use cab instead of cabal.I mention
> >>>>> this just in case there is some unforseen problem having to do with
> >>>>> cab/cabal interaction.
> >>>>>
> >>>>> Has anyone experienced this problem, or know what I can do to get
> more
> >>>>> useful error messages that might reveal the cause of the breakage?
> >>>>
> >>>> You might learn more by issuing the configure / build steps manually
> >>>> (I think `cabal configure` will produce an error).  Upping the
> >>>> verbosity will also help:
> >>>>
> >>>> # get pages and pages of details:
> >>>> $ cabal install --verbose=3
> >>>>
> >>>> I would first suggest trying cabal-dev, though (cab can delegate to
> >>>> cabal-dev now too, but I haven't played with it yet).
> >>>>
> >>>> $ cabal-dev install yesod-0.8
> >>>>
> >>>> will either work or fail in a way that we can more easily reproduce.
> >>>>
> >>>> --Rogan
> >>>>
> >>>
> >>
> >
>
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