+# BUILD_SHARED_LIBS is already a standard CMake variable, but we need to
+# re-declare it here so it will show up in the GUI.
+# by default, we want to build both
+OPTION(BUILD_SHARED_LIBS "Build FreeGLUT shared library." ON)
+OPTION(BUILD_STATIC_LIBS "Build FreeGLUT static library." ON)
+
+# OpenGL ES support
+OPTION(FREEGLUT_GLES1 "Use OpenGL ES 1.x (requires EGL)" OFF)
+OPTION(FREEGLUT_GLES2 "Use OpenGL ES 2.x (requires EGL) (overrides BUILD_GLES1)" OFF)
+
+