cmake HAVE_VIDEO_OPENGL_EGL examples

FilmKilns/FilmKilns src/sdl2/cmake/sdlchecks.cmake :803 

check_c_source_compiles("
        #define EGL_API_FB
        #include <EGL/egl.h>
        int main (int argc, char** argv) {}" HAVE_VIDEO_OPENGL_EGL)

inolen/redream deps/sdl2/cmake/sdlchecks.cmake :791 

check_c_source_compiles("
        #define EGL_API_FB
        #include <EGL/egl.h>
        int main (int argc, char** argv) {}" HAVE_VIDEO_OPENGL_EGL)

google/filament third_party/libsdl2/cmake/sdlchecks.cmake :823 

check_c_source_compiles("
        #define EGL_API_FB
        #include <EGL/egl.h>
        int main (int argc, char** argv) {}" HAVE_VIDEO_OPENGL_EGL)

nvMcJohn/apitest thirdparty/SDL2-2.0.1/cmake/sdlchecks.cmake :572 

check_c_source_compiles("
        #include <EGL/egl.h>
        int main (int argc, char** argv) {}" HAVE_VIDEO_OPENGL_EGL)

nvMcJohn/apitest thirdparty/SDL2-2.0.1/cmake/sdlchecks.cmake :577 

endif(HAVE_VIDEO_OPENGL_EGL)

crossuo/crossuo deps/sdl-2.0.10-c1be3add38/cmake/sdlchecks.cmake :763 

check_c_source_compiles("
        #define EGL_API_FB
        #include <EGL/egl.h>
        int main (int argc, char** argv) {}" HAVE_VIDEO_OPENGL_EGL)

AtomicGameEngine/AtomicGameEngine Source/ThirdParty/SDL/cmake/sdlchecks.cmake :800 

check_c_source_compiles("
        #define EGL_API_FB
        #include <EGL/egl.h>
        int main (int argc, char** argv) {}" HAVE_VIDEO_OPENGL_EGL)