Very minor updates. Refs trac:1399.

This commit was SVN r19613.

The following Trac tickets were found above:
  Ticket 1399 --> https://svn.open-mpi.org/trac/ompi/ticket/1399

HACKING

@@ -8,6 +8,7 @@ Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
                         University of Stuttgart.  All rights reserved.
 Copyright (c) 2004-2005 The Regents of the University of California.
                         All rights reserved.
+Copyright (c) 2008      Cisco Systems, Inc.  All rights reserved.
 $COPYRIGHT$
 
 Additional copyrights may follow
@@ -30,11 +31,12 @@ build includes a lot of debugging features.  This happens
 automatically when when configure detects the hidden ".svn" Subversion
 meta directory (that is present in all Subversion checkouts) in your
 source tree, and therefore activates a number of developer-only
-debugging features in the Open MPI code base.
+debugging features in the Open MPI code base.  The same is true if you
+have a Mercurial checkout (with the hidden .hg meta directory).
 
-By definition, debugging builds will perform slower than optimized
+By definition, debugging builds will perform [much] slower than
-builds of Open MPI.  You should *NOT* conduct timing tests or try to
+optimized builds of Open MPI.  You should *NOT* conduct timing tests
-run production performance numbers with debugging builds.
+or try to run production performance numbers with debugging builds.
 
 If you wish to build an optimized version of Open MPI from a
 developer's checkout, you have three main options:
@@ -52,8 +54,8 @@ developer's checkout, you have three main options:
      shell$ make all install
 
 2. Use a VPATH build.  Simply build Open MPI from a different
-   directory than the source tree -- one where the .svn subdirectory
+   directory than the source tree -- one where the .svn / .hg
-   is not present.  For example:
+   subdirectory is not present.  For example:
 
      shell$ svn co http://svn.open-mpi.org/svn/ompi/trunk ompi
      shell$ cd ompi
@@ -165,7 +167,7 @@ NOTE: On MacOS/X, the default "libtool" program is different than the
       --> If you are using the csh or tcsh shells, be sure to run the
           "rehash" command after you install each package.
 
-      shell$ cd ../autoconf-2.62
+      shell$ cd ../autoconf-2.63
       shell$ ./configure --prefix=PREFIX
       shell$ make; make install
 
@@ -179,7 +181,7 @@ NOTE: On MacOS/X, the default "libtool" program is different than the
       --> If you are using the csh or tcsh shells, be sure to run the
           "rehash" command after you install each package.
 
-      shell$ cd ../libtool-2.2.4
+      shell$ cd ../libtool-2.2.6
       shell$ ./configure --prefix=PREFIX
       shell$ make; make install