On Feb 2, 2011, at 1:44 PM, Jeffrey A Cummings wrote:
> I've encountered a supposed OpenMPI version of 1.4-4. Is the hyphen a typo or is this syntax correct and if so what does it mean?
Is this an RPM version number? It's fairly common for RPMs to add "-X" at the end of the version number. The "X" indicates the RPM version number (i.e., the version number of the packaging -- not the package itself).
Open MPI's version number scheme is explained here:
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