[HOpenGL] Installation (ok!), but ...

[Sandra Fontes]

Hi,
    now, I had this problem :(((((
 
[root at PANDORA ~]# ghc --make Planet.hs
Chasing modules from: Planet.hs
Skipping  Main             ( Planet.hs, Planet.o )
Linking ...
/usr/bin/ld: cannot find -lglut
collect2: ld returned 1 exit status
 
Thanks,
Sandra
 

Patrick Scheibe <mai99dnn at studserv.uni-leipzig.de> escreveu:Hi,

Ok, there are some things you have to know:

1. You have to tell ghc, that you want the HOpenGl Package when you compile 
some stuff that needs HOpenGL. You can do this with

ghc -package OpenGL

2. It is maybe a good idea to use the --make option. That checks the 
dependencies.

I think that will not solve your problem. For some reason the ghc doesn't find 
the right files. It looks like that you use the (old) samples from the 
separate HOpenGL package.
You have to use the samples from the ghc source under:

ghc-6.4/libraries/GLUT/examples/RedBook/Planet.hs

That is very important because the HOpenGL package from the website is very 
different from the ghc HOpenGL package. These two things have different 
APIs...

So try this:

Go to the ghc website and download the ghc6.4 source. Go to the path:
libraries/GLUT/examples/RedBook/ and then try to compile the sample with

ghc --make -package OpenGL Planet.hs

This should work.

Cheers
Patrick


On Monday 02 May 2005 16:58, Sandra Fontes wrote:
> Hi,
>
> I installed GHC 6.4, but I don´t know how to running a program, like
> Planet.hs. I had this problem:
>
> [root at medusaLinux redbook_HS]# ghc Planet.hs -v
> Glasgow Haskell Compiler, Version 6.4, for Haskell 98, compiled by GHC
> version 5.04.3 Using package config file:
> /usr/local/lib/ghc-6.4/package.conf
> Hsc static flags: -static
> *** Checking old interface for Main:
> *** Parser:
> *** Renamer/typechecker:
> Planet.hs:15:0:
> Failed to load interface for `GL':
> Could not find module `
> GL':
> locations searched:
> GL.hi
> GL.hi-boot
> *** Deleting temp files
> Deleting: /tmp/ghc3765.s
> Warning: deleting non-existent /tmp/ghc3765.s
>
> Thanks,
> Sandra
>
> Lemmih wrote:
>
> On 4/28/05, Sandra Fontes wrote:
> > Hi,
> >
> > At installation of HOpenGL, I had this problem:
>
> [snip]
>
> HOpenGL is not a stand-alone package any more. Just install GHC 6.4
> and it'll be there.



		
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