Fwd: [Haskell-cafe] frag game-compiling error
selahattin.gerdan at gmail.com
Mon Sep 28 06:57:03 EDT 2009
---------- Forwarded message ----------
From: selahaddin gerdan <selahattin.gerdan at gmail.com>
Subject: Re: [Haskell-cafe] frag game-compiling error
To: Lyndon Maydwell <maydwell at 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<http://cvs.haskell.org/Hugs/pages/libraries/OpenGL/Graphics-Rendering-OpenGL-GL-BasicTypes.html#t%3AGLfloat>page
GLfloat is just a type synonym for type Float.
How come the error message differentiates between them?
2009/9/28 Lyndon Maydwell <maydwell at 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 at 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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