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# SPDX-FileCopyrightText: 2012-2021 Istituto Italiano di Tecnologia (IIT)
# SPDX-FileCopyrightText: 2010 RobotCub Consortium
# SPDX-License-Identifier: BSD-3-Clause
#[=======================================================================[.rst:
FindOpenGL
----------
Wrap kitware's original FindOpenGL. Standardize variables.
In windows require you set ``OpenGL_DIR``
Set::
OpenGL_FOUND
OpenGL_LIBRARIES
OpenGL_INCLUDE_DIRS
.. todo:: Check if this module is still needed with recent CMake releases.
#]=======================================================================]
# Save current CMAKE_MODULE_PATH, disable it
# to avoid recursive calls to FindGLUT
set(_CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH})
set(CMAKE_MODULE_PATH "")
set(OpenGL_DIR $ENV{OpenGL_DIR})
if(OpenGL_DIR)
message(${OpenGL_DIR})
endif(OpenGL_DIR)
find_package(OpenGL)
if(OPENGL_FOUND)
set(OpenGL_FOUND TRUE)
set(OpenGL_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR})
set(OpenGL_LIBRARIES ${OPENGL_LIBRARIES})
endif(OPENGL_FOUND)
# Push back original CMAKE_MODULE_PATH
set(CMAKE_MODULE_PATH ${_CMAKE_MODULE_PATH})
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