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# Copyright (c) 2011-2021, The DART development contributors
# All rights reserved.
#
# The list of contributors can be found at:
# https://github.com/dartsim/dart/blob/master/LICENSE
#
# This file is provided under the "BSD-style" License
cmake_policy(PUSH)
# Use GLVND over the legacy OpenGL libraries
if(POLICY CMP0072)
cmake_policy(SET CMP0072 NEW)
endif()
# Use OpenGL config if available
find_package(OpenGL QUIET CONFIG)
# Otherwise, fall back to FindOpenGL.cmake provided by CMake
if(NOT OPENGL_FOUND)
find_package(OpenGL QUIET MODULE)
endif()
cmake_policy(POP)
if((OPENGL_FOUND OR OpenGL_FOUND) AND NOT TARGET OpenGL::GL)
add_library(OpenGL::GL INTERFACE IMPORTED)
set_target_properties(OpenGL::GL PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${OPENGL_INCLUDE_DIR}"
INTERFACE_LINK_LIBRARIES "${OPENGL_gl_LIBRARY}"
)
endif()
if((OPENGL_FOUND OR OpenGL_FOUND) AND NOT TARGET OpenGL::GLU)
add_library(OpenGL::GLU INTERFACE IMPORTED)
set_target_properties(OpenGL::GLU PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${OPENGL_INCLUDE_DIR}"
INTERFACE_LINK_LIBRARIES "${OPENGL_glu_LIBRARY}"
)
endif()
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