--- ax_lib_hdf5.m4.orig	2014-10-23 17:44:48.581899734 +0800
+++ ax_lib_hdf5.m4	2014-10-23 17:34:23.885322446 +0800
@@ -206,7 +206,7 @@
         dnl Find the installation directory and append include/
         HDF5_tmp_inst=$(eval $H5CC -showconfig \
             | $GREP 'Installation point:' \
-            | $AWK -F: '{print $[]2}' )
+            | $AWK '{print $[]NF}' )
 
         dnl Add this to the CPPFLAGS
         HDF5_CPPFLAGS="-I${HDF5_tmp_inst}/include"