[Fieldtrip] FieldTrip 0.2.4 conflicts with OpenGL 2.2.3.0

[Conal Elliott]

Thanks, Gregory.  I just pushed (to darcs & hackage) FieldTrip-0.2.7, which
works with and depends on OpenGL>=2.2.3.0.

   - Conal

On Thu, Jun 4, 2009 at 9:46 AM, Gregory D. Weber <gdweber at iue.edu> wrote:

> After upgrading OpenGL, I tried to re-install FieldTrip 0.2.4 and
> encountered these errors, from GHC 6.10.1 on Fedora 10 Linux:
>
> [ 3 of 17] Compiling Graphics.FieldTrip.Vector2
> ( src/Graphics/FieldTrip/Vector2.hs,
> dist/build/Graphics/FieldTrip/Vector2.o )
>
> src/Graphics/FieldTrip/Vector2.hs:69:9:
>    Duplicate instance declarations:
>      instance Functor Vector2
>        -- Defined at src/Graphics/FieldTrip/Vector2.hs:69:9-23
>      instance Functor Vector2
>        -- Defined in OpenGL-2.2.3.0:Graphics.Rendering.OpenGL.GL.Tensor
>
> src/Graphics/FieldTrip/Vector2.hs:72:9:
>    Duplicate instance declarations:
>      instance Applicative Vector2
>        -- Defined at src/Graphics/FieldTrip/Vector2.hs:72:9-27
>      instance Applicative Vector2
>        -- Defined in OpenGL-2.2.3.0:Graphics.Rendering.OpenGL.GL.Tensor
> [root at squirrel]#
>
> ------------
>
> Previously, I had installed FieldTrip 0.2.4 with earlier versions
> of OpenGL.  I got some scary-looking warnings in the 'configure'
> step:
>
>     Configure warns: Warning: This package indirectly depends on
>     multiple versions of the same
> package. This is highly likely to cause a compile failure.
> package graphicsFormats-0.1 requires OpenGL-2.2.1.1
> package GLUT-2.1.2.1 requires OpenGL-2.2.2.0
> package FieldTrip-0.2.4 requires OpenGL-2.2.2.0
>
> -- but I did have both those versions of OpenGL installed at the time,
> and it did work.
>
> Is my best move now to re-install OpenGL 2.2.1.1 and OpenGL 2.2.2.0,
> keeping OpenGL 2.2.3.0, or had I better remove the newest version
> of OpenGL and just keep the older two?
>
> I hope I'm not answering my own question here, in my previous post,
>  about the desirability
> of moving FieldTrip away OpenGL -- however, I think people meant
> something more than version problems by that ;-)
>
> --
>    ___   ___  __     _
>  / _ \ / _ \| |    | |     Gregory D. Weber, Associate Professor
>  / /_\// / | | | /\ | |     Indiana University East
> / /_\\/ /__| | |/  \| |     http://mypage.iu.edu/~gdweber/<http://mypage.iu.edu/%7Egdweber/>
> \____/\_____/\___/\__/      Tel. (765) 973-8420; FAX (765) 973-8550
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