diff --git a/config/mh-aix b/config/mh-aix
index ff85fa0e8bc..19be7b64746 100644
--- a/config/mh-aix
+++ b/config/mh-aix
@@ -1 +1,6 @@
 INSTALL = cp
+# X11 
+#X11_HOME_DIRECTORY=/usr/lpp/X11
+X11_HOME_DIRECTORY=/usr/unsupported
+X11_INCLUDE_FLAGS = -I$(X11_HOME_DIRECTORY)/include
+X11_LIB_FLAGS = -L$(X11_HOME_DIRECTORY)/lib