Again, sorry for the last-minute input.

I noticed the following in README:
- Open MPI includes support for a wide variety of supplemental
 hardware and software package.  When configuring Open MPI, you may
 need to supply additional flags to the "configure" script in order
 to tell Open MPI where the header files, libraries, and any other
 required files are located.  As such, running "configure" by itself
 may include support for all the devices (etc.) that you expect,
 especially if their support headers / libraries are installed in
 non-standard locations.  Network interconnects are an easy example
 to discuss -- Myrinet and OpenFabrics networks, for example, both
 have supplemental headers and libraries that must be found before
 Open MPI can build support for them.  You must specify where these
 files are with the appropriate options to configure.  See the
 listing of configure command-line switches, below, for more details.


And think the intended meaning requires adding the word "not":
  required files are located.  As such, running "configure" by itself
-  may include support for all the devices (etc.) that you expect,
+  may not include support for all the devices (etc.) that you expect,
  especially if their support headers / libraries are installed in

-Paul

--
Paul H. Hargrove                          phhargr...@lbl.gov
Future Technologies Group                 Tel: +1-510-495-2352
HPC Research Department                   Fax: +1-510-486-6900
Lawrence Berkeley National Laboratory

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