[svn-r20521] Removed ibm-aix6.x file which just sourced ibm-aix file. Removed code in

configure.in that tried to distinguish different versions of AIX. This is no 
longer needed.

Tested:
NCSA Blue-print. No h5committest since this affected AIX system only.

MANIFEST

@@ -89,7 +89,6 @@
 ./config/i686-pc-cygwin
 ./config/ia64-linux-gnu
 ./config/ibm-aix
-./config/ibm-aix6.x
 ./config/ibm-flags
 ./config/intel-fflags
 ./config/intel-flags

config/ibm-aix6.x

@@ -1,21 +0,0 @@
-#							-*- shell-script -*-
-#
-# Copyright by The HDF Group.
-# All rights reserved.
-#
-# This file is part of HDF5.  The full HDF5 copyright notice, including
-# terms governing use, modification, and redistribution, is contained in
-# the files COPYING and Copyright.html.  COPYING can be found at the root
-# of the source code distribution tree; Copyright.html can be found at the
-# root level of an installed copy of the electronic HDF5 document set and
-# is linked from the top-level documents page.  It can also be found at
-# http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have
-# access to either file, you may request a copy from help@hdfgroup.org.
-
-# Configuration file for building on the IBM AIX 6.X platforms.
-# This file is part of the HDF5 build script.  It is processed shortly
-# after configure starts and defines, among other things, flags for
-# the various compile modes.
-
-# Use the generic ibm-aix.
-. $srcdir/config/ibm-aix

configure

@@ -3877,14 +3877,8 @@ elif test $hdf5_cv_host != $host; then
 fi
 
 case $host_os in
-  aix4.*)
-    host_os_novers=aix4.x
-    ;;
-  aix5.*)
-    host_os_novers=aix5.x
-    ;;
-  aix6.*)
-    host_os_novers=aix6.x
+  aix*)
+    host_os_novers=aix
     ;;
   freebsd*)
     host_os_novers=freebsd

configure.in

@@ -248,14 +248,8 @@ dnl
 dnl If the `OS' ends with a version number then remove it. For instance,
 dnl `freebsd3.1' would become `freebsd'
 case $host_os in
-  aix4.*)
-    host_os_novers=aix4.x
-    ;;
-  aix5.*)
-    host_os_novers=aix5.x
-    ;;
-  aix6.*)
-    host_os_novers=aix6.x
+  aix*)
+    host_os_novers=aix
     ;;
   freebsd*)
     host_os_novers=freebsd

release_docs/RELEASE.txt

@@ -115,7 +115,8 @@ Bug Fixes since HDF5-1.8.6
 
     Configuration
     -------------
-    - None
+    - Removed config/ibm-aix6.x. All IBM-AIX settings are in one file,
+      ibm-aix. (AKC - 2011/4/14)
 
     Library
     -------