AC_CHECK_HEADERS([guacamole/client.h guacamole/guacio.h guacamole/protocol.h freerdp/locale/keyboard.h freerdp/kbd/layouts.h])
# Check for FreeRDP version-specific features
-AC_CHECK_MEMBERS([rdpPointer.SetDefault, rdpPointer.SetNull],
+AC_CHECK_MEMBERS([rdpPointer.SetDefault, rdpPointer.SetNull, rdpSettings.preconnection_id, rdpSettings.security_layer_negotiation, rdpSettings.preconnection_blob],
[], [],
[[#include <freerdp/freerdp.h>]])