On Jul 12, 2012, at 12:38, Srinath Vadlamani wrote: > Is anyone trying to upgrade to openmpi 1.6? > What about also allowing for the use of gcc4.7 as variant for openmpi, hdf5, netcdf and other scientific software? I'm not sure, but the port does have a maintainer... you should file a ticket in the issue tracker requesting these changes.