[CMake] [Fwd: Re: [vtkusers] Re: Fwd: Re: Compiling VTK-5.0.2 with Cygwin make]

[Brad King]

David Cole wrote:
> CMake bug then...?
> 
> 
> ------------------------------------------------------------------------
> 
> Subject:
> Re: [vtkusers] Re: Fwd: Re: Compiling VTK-5.0.2 with Cygwin make
> From:
> Steve Robbins <smr at sumost.ca>
[snip]
>     FIND_PATH(OPENGL_INCLUDE_DIR GL/gl.h
>       /usr/include
>       /usr/include/w32api
>       /usr/X11R6/include
>     )
> 
>     MESSAGE(STATUS "OPENGL_INCLUDE_DIR='${OPENGL_INCLUDE_DIR}'")
> 
> 
> And here is the output:
> 
> -- FindOpenGL: WIN32 is defined...
> -- FindOpenGL: CYGWIN is defined...
> -- OPENGL_INCLUDE_DIR=''
> -- OPENGL_INCLUDE_DIR='/usr/X11R6/include'
> 
> 
> I don't get it.  Is there a way to have CMake verbosely explain its
> decision process in the FIND_PATH() statement?

There are paths searched before the ones listed in the command.  Try
taking all the paths out:

FIND_PATH(OPENGL_INCLUDE_DIR NAMES GL/gl.h)

to see if it is finding that path using a default search location.

-Brad