--- hdf5-1.6.5/configure.norpath	2006-03-15 14:12:46.000000000 -0700
+++ hdf5-1.6.5/configure	2006-03-15 14:14:09.000000000 -0700
@@ -6097,8 +6097,8 @@
 shlibpath_overrides_runpath=unknown
 version_type=none
 dynamic_linker="$host_os ld.so"
-sys_lib_dlsearch_path_spec="/lib /usr/lib"
-sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib"
+sys_lib_search_path_spec="/lib64 /usr/lib64 /usr/local/lib64 /lib /usr/lib /usr/local/lib"
 
 case $host_os in
 aix3*)