diff -r 27dd67e1c5eb -r bc7ca7cfa6ca CMakeLists.txt
--- a/CMakeLists.txt	Mon Dec 04 20:26:09 2017 -0800
+++ b/CMakeLists.txt	Mon Dec 04 20:35:01 2017 -0800
@@ -1486,6 +1486,13 @@
         set(SDL_VIDEO_RENDER_OGL 1)
         set(HAVE_VIDEO_OPENGL TRUE)
       endif()
+
+      if(VIDEO_OPENGLES)
+        set(SDL_VIDEO_OPENGL_EGL 1)
+        set(SDL_VIDEO_OPENGL_ES2 1)
+        set(SDL_VIDEO_RENDER_OGL_ES2 1)
+        set(HAVE_VIDEO_OPENGLES TRUE)
+      endif()
     endif()
   endif()