---------- Forwarded message ----------
From: selahaddin gerdan <selahattin.gerdan@gmail.com>
Date: 2009/9/28
Subject: Re: [Haskell-cafe] frag game-compiling error
To: Lyndon Maydwell <maydwell@gmail.com>

Sorry I'm just learning haskell, so I don't get your suggestion. Could you explain to me what exactly I have to do?

According to this page GLfloat is just a type synonym for type Float.
How come the error message differentiates between them?

2009/9/28 Lyndon Maydwell <maydwell@gmail.com>

I think this is an opengl version problem. I came across this error in
vacuum-opengl after I had upgraded my opengl. I patched it up using a
"from<numeric type>" call.

On Mon, Sep 28, 2009 at 8:00 AM, selahaddin gerdan
<selahattin.gerdan@gmail.com> wrote:
> Hi there,
> when I try to install frag,I get this error:
>
> .cabal/bin/cabal install frag
> Resolving dependencies...
> Downloading frag-1.1.2...
> Configuring frag-1.1.2...
> Preprocessing executables for frag-1.1.2...
> Building frag-1.1.2...
> [ 1 of 39] Compiling IdentityList     ( src/IdentityList.hs,
> dist/build/frag/frag-tmp/
> IdentityList.o )
> [ 2 of 39] Compiling Quaternion       ( src/Quaternion.hs,
> dist/build/frag/frag-tmp/Quaternion.o )
>
> src/Quaternion.hs:22:27:
>     Couldn't match expected type `GLfloat'
>            against inferred type `Float'
>     In the expression: (r00 :: GLfloat)
>     In the second argument of `newMatrix', namely
>         `[(r00 :: GLfloat), r01, r02, r03, ....]'
>     In the expression:
>         newMatrix ColumnMajor [(r00 :: GLfloat), r01, r02, r03, ....]
> cabal: Error: some packages failed to install:
> frag-1.1.2 failed during the building phase. The exception was:
> exit: ExitFailure 1
>
> Why?

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