Has something has changed in the API:
Marks-iMac-2:panda colinn$ grep -Rn "GL_NONE_OES" /Developer//Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/System/Library/Frameworks/OpenGLES.framework/*
Marks-iMac-2:panda colinn$ grep -Rn "GL_NONE" /Developer//Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/System/Library/Frameworks/OpenGLES.framework/*
/Developer//Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/System/Library/Frameworks/OpenGLES.framework/Headers/ES2/gl.h:489:#define GL_NONE How should I wrap this? Use HAVE_GLES?