[HOpenGL] Starting it all over again

[Ronald Legere]

My install of cygwin does have /usr/include/GL/glut.h
and others. Again I suspect (esp. given your later
library error) that glut was not installed... you may
need to add yet another package using cygwin 'setup'.
I don't know which one though... 
The newer versions of Cygwin are a pain with all the
packages. WHen I installed it, I chose basically every
single thing unless I was sure I didnt ever need it :)

Ron

--- Andre Furtado <awfurtado@homelink.com.br> wrote:
> > [...] Does something like
> >
> >    #include <GL/glut.h>
> >    int main () {
> >       glEnd();
> >       return 0;
> >    }
> >
> > compile and link under Cygwin?
> 
> At first, I got the following problem:
> 
> testglut.c:1:21: GL/glut.h: No such file or
> directory
> 
> Then I created usr/include/GL and added glut.h to
> it. Trying to compile the
> above code gives me now the following error:
> 
> /cygdrive/c/temp/ccuV8Y3l.o(.text+0x1f):testglut.c:
> undefined reference to
> `_glEnd@0'
> collect2: ld returned 1 exit status
> 
> ...but I think that this was expected. (IMHO, I
> think it would be nice to
> add a warning in the INSTALL file telling that it is
> necessary to create a
> GL dir in usr/include and to put glut.h there. I
> suggest also that it should
> be said what is expect to be in cygwin's path.)
> 
> Back to "./configure": now the glut header is found,
> and my suspects about
> the older versions of GLU/GL were right.
> Fortunately, the newer versions
> were found this time:
> 
> checking GL version... 1.2
> checking GLU version... 1.3
> 
> Although "./configure" completed successfully, I
> could not understand why
> the "library containing glutMainLoop" was not found:
> 
> checking for library containing glutMainLoop... no
> 
> "make depend" also run successfully, but when trying
> to issue "make
> install", the following problem appears:
> 
> rm -f GL_BinaryIO.o ; if [ ! -d GL_BinaryIO ]; then
> mkdir GL_BinaryIO; else
> find
>  GL_BinaryIO -name '*.o' -print | xargs -s 8000 rm
> -f __rm_food ; fi ;
> "/cygdrive/c/GHC/GHC-5.04.2/BIN/ghc" -syslib lang
> -split-objs -odir
> GL_BinaryIO
> -package-name HOpenGL -fglasgow-exts   "-#include
> <GL/glut.h>" -O   -c
> GL_Binary
> IO.hs -o GL_BinaryIO.o
> c:\WINDOWS\TEMP\ghc-445215.hc:4: GL/glut.h: No such
> file or directory
> make[1]: *** [GL_BinaryIO.o] Error 1
> make: *** [install] Error 1
> 
> I tryied to add [cygwin home dir]/usr/include/gl to
> cygwin's path but it did
> work. And then I'm stuck again... :)
> 
> Thanks a lot,
> -- Andre
> 
> 
> 
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> HOpenGL@haskell.org
> http://www.haskell.org/mailman/listinfo/hopengl


=====
-------------------------------------
Ronald Legere  rjljr2@yahoo.com
-------------------------------------

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