[HOpenGL] Starting it all over again: It works!!!

[Manuel Garcia Rodriguez]

> Message: 1
> Date: Tue, 14 Jan 2003 01:17:45 -0300 (BRST)
> From: Andre Wilson Brotto Furtado <awbf@cin.ufpe.br>
> To: hopengl@haskell.org
> Subject: Re: [HOpenGL] Starting it all over again:
> It works!!!
 
> 
> - foreign declaration uses deprecated non-standard
> syntax
> - assignment discards qualifiers from pointer target
> type

Don't worry about it.

> - implicit declaration of function `glTexImage3D'
> - ...
> 
> I did not understand why the examples (both C and
> HS) were not compiled
> during stall. I then tryied to compile them by hand,
> but got stuck at
> BlendEqn with the following error:
> 
>
../../lib/libHOpenGL.a(GL_PerFragment__57.o)(.text+0x124)://c/WINDOWS/TEMP/g
> hc-3
> 33765.hc: undefined reference to `glBlendEquation'
> make[1]: *** [BlendEqn] Error 1
> make: *** [all] Error 1
> [...]
> checking for ghc... no
> configure: error: No Haskell compiler not found

ghc/bin and greencard dir must be added to PATH

Please, first of all, follow this link:
http://www.informatik.uni-muenchen.de/~Sven.Panne/cygwin/opengl_glut.html
and setup your GL libaries. I only succeeded after
this. make scripts are supposed to use X11/GL, 

which I wasn't able to configure. You must use
Win32/Opengl libraries.

>From previous post of Sven:
* In HOpenGL's configure, replace the line '#ifndef
GL_VERSION_1_2'
  with something like '#ifndef ThisIsVeryUnlikely'.
This is because cygwin headers doesn't show their
actual version.

do: 
./configure
make depend

Find 'config.mk' and replace references to X11/GL
libraries with win32 ones:
[-lglut, -lGLU, -lGL, ...] -> [-lglut, -lglu32,
-lopengl32]

In redbook_C/Makefile.linux, comment CFLAGS var,
cygwin gcc doesn't work it. I copied .h headers 

to any include dir in the tree :) 

Finally, try 'make all'


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