cmake OpenGLES2 examples

nCine/nCine cmake/ncine_imported_targets.cmake :145 

find_package(OpenGLES2)

OGRECave/ogre CMake/Dependencies.cmake :251 

find_package(OpenGLES2)

facebookresearch/habitat-sim src/cmake/FindMagnum.cmake :1071 

find_package(OpenGLES2 REQUIRED)

harfang3d/harfang3d extern/bgfx/bgfx.cmake :109 

find_package(OpenGLES2 REQUIRED)

alex-petrenko/megaverse src/cmake/modules/FindMagnum.cmake :825 

find_package(OpenGLES2 REQUIRED)

edubart/otclient src/framework/CMakeLists.txt :302 

find_package(OpenGLES2 REQUIRED)

OpenDungeons/OpenDungeons cmake/modules/FindOldOGRE.cmake :271 

find_package(OpenGLES2 QUIET)

mosra/magnum-plugins modules/FindMagnum.cmake :1071 

find_package(OpenGLES2 REQUIRED)

o2-engine/o2 CMakeLists.txt :182 

find_package(OpenGLES2 REQUIRED)

liballeg/allegro5 CMakeLists.txt :645 

find_package(OpenGLES2)