--- glmark2-2012.08/src/gl-headers.h.orig	2012-11-14 11:11:43.991688984 +0100
+++ glmark2-2012.08/src/gl-headers.h	2012-11-14 11:13:45.581817248 +0100
@@ -33,6 +33,8 @@
 #elif USE_GLESv2
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
+/* provide GLchar which is not defined in our old gl2.h */
+typedef char GLchar;
 #ifndef GL_WRITE_ONLY
 #define GL_WRITE_ONLY GL_WRITE_ONLY_OES
 #endif