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Today's Topics:
1. Beginner trying to install Haskell support in Eclipse and
failing (Alan Shaw)
2. Re: Beginner trying to install Haskell support in Eclipse
and failing (Graham Lowe)
3. Re: Beginner trying to install Haskell support in Eclipse
and failing (Daniel Fischer)
4. Re: Beginner trying to install Haskell support in Eclipse
and failing (Alan Shaw)
----------------------------------------------------------------------
Message: 1
Date: Sat, 17 Apr 2010 19:07:17 -0400
From: Alan Shaw <[email protected]>
Subject: [Haskell-beginners] Beginner trying to install Haskell
support in Eclipse and failing
To: [email protected]
Message-ID:
<[email protected]>
Content-Type: text/plain; charset="iso-8859-1"
Hi,
I'm using cabal for the first time, and I'm confused.
I'm trying to build scion as instructed at
http://eclipsefp.sourceforge.net/build.html .
I have done:
git clone git://github.com/JPMoresmau/scion.git
cd scion
cabal install
I'm now at the point where this tells me the following:
Resolving dependencies...
cabal.exe: dependencies conflict: ghc-6.10.4 requires Cabal ==1.6.0.3
however
Cabal-1.6.0.3 was excluded because scion-0.1.0.2 requires Cabal ==1.8.* &&
==1.8.*
Some more information:
$ cabal -V
cabal-install version 0.6.2
using version 1.6.0.3 of the Cabal library
$ cabal update
Downloading the latest package list from hackage.haskell.org
Note: there is a new version of cabal-install available.
To upgrade, run: cabal install cabal-install
$ cabal install cabal-install
(lots and lots of output, ending with:)
Linking dist\build\cabal\cabal.exe ...
Installing executable(s) in C:\Program Files (x86)\Haskell\bin
$ cabal -V
cabal-install version 0.6.2
using version 1.6.0.3 of the Cabal library
Help?
Thanks,
-A
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Message: 2
Date: Sat, 17 Apr 2010 19:24:16 -0400
From: Graham Lowe <[email protected]>
Subject: Re: [Haskell-beginners] Beginner trying to install Haskell
support in Eclipse and failing
To: [email protected]
Message-ID:
<[email protected]>
Content-Type: text/plain; charset=ISO-8859-1
As luck would have it, I ran into the same issue today. I checked the
scion google code website and found a solution. Quick summary: you'll
have to pull changes from the development branch.
Here's a link to the reported issue and the solution:
http://code.google.com/p/scion-lib/issues/detail?id=38&can=1&q=build
Hope that helps,
Graham
On 17 April 2010 19:07, Alan Shaw <[email protected]> wrote:
> Hi,
> I'm using cabal for the first time, and I'm confused.
> I'm trying to build scion as instructed
> at http://eclipsefp.sourceforge.net/build.html .
> I have done:
> git clone git://github.com/JPMoresmau/scion.git
> cd scion
> cabal install
>
> I'm now at the point where this tells me the following:
> Resolving dependencies...
> cabal.exe: dependencies conflict: ghc-6.10.4 requires Cabal ==1.6.0.3
> however
> Cabal-1.6.0.3 was excluded because scion-0.1.0.2 requires Cabal ==1.8.* &&
> ==1.8.*
> Some more information:
> $ cabal -V
> cabal-install version 0.6.2
> using version 1.6.0.3 of the Cabal library
> $ cabal update
> Downloading the latest package list from hackage.haskell.org
> Note: there is a new version of cabal-install available.
> To upgrade, run: cabal install cabal-install
> $ cabal install cabal-install
> (lots and lots of output, ending with:)
> Linking dist\build\cabal\cabal.exe ...
> Installing executable(s) in C:\Program Files (x86)\Haskell\bin
> $ cabal -V
> cabal-install version 0.6.2
> using version 1.6.0.3 of the Cabal library
>
> Help?
> Thanks,
> -A
>
> _______________________________________________
> Beginners mailing list
> [email protected]
> http://www.haskell.org/mailman/listinfo/beginners
>
>
------------------------------
Message: 3
Date: Sun, 18 Apr 2010 01:43:01 +0200
From: Daniel Fischer <[email protected]>
Subject: Re: [Haskell-beginners] Beginner trying to install Haskell
support in Eclipse and failing
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"
Am Sonntag 18 April 2010 01:07:17 schrieb Alan Shaw:
> Hi,
> I'm using cabal for the first time, and I'm confused.
>
> I'm trying to build scion as instructed at
> http://eclipsefp.sourceforge.net/build.html .
> I have done:
>
> git clone git://github.com/JPMoresmau/scion.git
> cd scion
> cabal install
>
>
> I'm now at the point where this tells me the following:
>
> Resolving dependencies...
> cabal.exe: dependencies conflict: ghc-6.10.4 requires Cabal ==1.6.0.3
> however
> Cabal-1.6.0.3 was excluded because scion-0.1.0.2 requires Cabal ==1.8.*
> && ==1.8.*
That's odd, the .cabal file says
if flag(cabal_1_8)
build-depends: Cabal == 1.8.*
cpp-options: -DCABAL_VERSION=108
else
build-depends: Cabal == 1.6.*
cpp-options: -DCABAL_VERSION=106
and since you don't have Cabal-1.8.*, it should set the flag to false and
try again.
Anyway, try setting the flag to false on the command line:
cabal install -f-cabal_1_8
or install the hackage package:
cabal install scion
>
> Some more information:
>
> $ cabal -V
> cabal-install version 0.6.2
> using version 1.6.0.3 of the Cabal library
> $ cabal update
> Downloading the latest package list from hackage.haskell.org
> Note: there is a new version of cabal-install available.
> To upgrade, run: cabal install cabal-install
> $ cabal install cabal-install
> (lots and lots of output, ending with:)
> Linking dist\build\cabal\cabal.exe ...
> Installing executable(s) in C:\Program Files (x86)\Haskell\bin
Is that directory in your path (and before the directory cabal-
install-0.6.2 is in)?
> $ cabal -V
> cabal-install version 0.6.2
> using version 1.6.0.3 of the Cabal library
perhaps
cabal install cabal-install-0.8.0 (or whatever the latest version working
on windows is)
>
>
> Help?
>
> Thanks,
> -A
------------------------------
Message: 4
Date: Sat, 17 Apr 2010 20:17:02 -0400
From: Alan Shaw <[email protected]>
Subject: Re: [Haskell-beginners] Beginner trying to install Haskell
support in Eclipse and failing
To: [email protected]
Message-ID:
<[email protected]>
Content-Type: text/plain; charset=ISO-8859-1
I installed scion from hackage ok, but then I remembered this, from
http://eclipsefp.sourceforge.net/ :
You cannot use the version from Hackage (0.1.0.2) since commands have
been added for eclipsefp. You'll need to build Scion from source (git
clone git://github.com/JPMoresmau/scion.git, runhaskell Setup.hs
configure/build/install)
So I did the other thing:
cabal install -f-cabal_1_8
And now I have got updates in Eclipse from http://eclipsefp.sf.net/updates,
and I'm about to "Create a Haskell Project." so if that process
doesn't mystify me I'm good to go for now.
And I plan to update ghc "soon."
Thanks, all!
-A
On Sat, Apr 17, 2010 at 7:43 PM, Daniel Fischer
<[email protected]> wrote:
>
> Am Sonntag 18 April 2010 01:07:17 schrieb Alan Shaw:
> > Hi,
> > I'm using cabal for the first time, and I'm confused.
> >
> > I'm trying to build scion as instructed at
> > http://eclipsefp.sourceforge.net/build.html .
> > I have done:
> >
> > git clone git://github.com/JPMoresmau/scion.git
> > cd scion
> > cabal install
> >
> >
> > I'm now at the point where this tells me the following:
> >
> > Resolving dependencies...
> > cabal.exe: dependencies conflict: ghc-6.10.4 requires Cabal ==1.6.0.3
> > however
> > Cabal-1.6.0.3 was excluded because scion-0.1.0.2 requires Cabal ==1.8.*
> > && ==1.8.*
>
> That's odd, the .cabal file says
>
> if flag(cabal_1_8)
> build-depends: Cabal == 1.8.*
> cpp-options: -DCABAL_VERSION=108
> else
> build-depends: Cabal == 1.6.*
> cpp-options: -DCABAL_VERSION=106
>
> and since you don't have Cabal-1.8.*, it should set the flag to false and
> try again.
>
> Anyway, try setting the flag to false on the command line:
>
> cabal install -f-cabal_1_8
>
> or install the hackage package:
>
> cabal install scion
>
> >
> > Some more information:
> >
> > $ cabal -V
> > cabal-install version 0.6.2
> > using version 1.6.0.3 of the Cabal library
> > $ cabal update
> > Downloading the latest package list from hackage.haskell.org
> > Note: there is a new version of cabal-install available.
> > To upgrade, run: cabal install cabal-install
> > $ cabal install cabal-install
> > (lots and lots of output, ending with:)
> > Linking dist\build\cabal\cabal.exe ...
> > Installing executable(s) in C:\Program Files (x86)\Haskell\bin
>
> Is that directory in your path (and before the directory cabal-
> install-0.6.2 is in)?
>
> > $ cabal -V
> > cabal-install version 0.6.2
> > using version 1.6.0.3 of the Cabal library
>
> perhaps
>
> cabal install cabal-install-0.8.0 (or whatever the latest version working
> on windows is)
>
> >
> >
> > Help?
> >
> > Thanks,
> > -A
>
------------------------------
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