We now have two PRs pending that will introduce the use of Git submodules (and 
there are probably more such PRs on the way).  At last one of these first two 
PRs will likely be merged "Real Soon Now".

We've been talking about using Git submodules forever.  Now we're just about 
ready.

**************************************
*** DEVELOPERS: THIS AFFECTS YOU!! ***
**************************************

You cannot just "clone and build" any more:

-----
git clone g...@github.com:open-mpi/ompi.git
cd ompi && ./autogen.pl && ./configure ...
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You will *have* to initialize the Git submodule(s) -- either during or after 
the clone.  *THEN* you can build Open MPI.

Go read this wiki: https://github.com/open-mpi/ompi/wiki/GitSubmodules

May the force be with us!

-- 
Jeff Squyres
jsquy...@cisco.com

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