plfs/plfs-core — pull request #134 by dshrader (2012-11-13 23:04:10+00:00)
Title: C directives around weak symbols so that only Cray uses them.

With directives around the weak symbols, they are turned off by default.
Normal linking needs to be done when building MPI and leaving out the
weak symbols when dynamically linking will ensure that the right
versions of the functions are found.