[CMake] find module configuration not found

[Petr Kmoch]

Hi Owen,

the find module which comes with CMake is called FindOpenGL, and is
supposed to be used as:

find_package(OpenGL ...)

Note the case. From the error messages, it seems you're calling
find_package(OPENGL). This could work on a case-insensitive system (which I
believe Mac OS X uses by default), but would definitely not work on a
case-sensitive one such as normal Linux filesystems.

Petr

On Tue, Nov 3, 2015 at 2:11 PM, Owen Alanzo Hogarth <gurenchan at gmail.com>
wrote:

> I just ran into some difficulties.
>
> I migrated a development system to debian 8.
>
> I had a project on mac os x that built w/ no problems now I am running my
> cmake but I get this error:
>
> CMake Error at CMakeLists.txt:4 (FIND_PACKAGE):
>   By not providing "FindOPENGL.cmake" in CMAKE_MODULE_PATH this project has
>   asked CMake to find a package configuration file provided by "OPENGL",
> but
>   CMake did not find one.
>
>   Could not find a package configuration file provided by "OPENGL" with any
>   of the following names:
>
>     OPENGLConfig.cmake
>     opengl-config.cmake
>
>   Add the installation prefix of "OPENGL" to CMAKE_PREFIX_PATH or set
>   "OPENGL_DIR" to a directory containing one of the above files.  If
> "OPENGL"
>   provides a separate development package or SDK, be sure it has been
>   installed.
>
>
> -- Configuring incomplete, errors occurred!
>
> now it seems finding opengl was a deffault config file on mac os x but not
> so on linux.
>
> I have cmake 3.0.2-1 installed.
>
>
> --
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