Re: [OMPI users] a single build of Open MPI that can be used with multiple GCC versions

2016-02-10 Thread David Shrader
A bit of an update: I was mistaken when I said users were reporting 1.10.1 was throwing an error. The error occurs for 1.6.5 (which I still have to keep on my production systems). Users report that they do not see the error with 1.10.1. That being said, I do see references to my GCC 5.2.0 in

Re: [OMPI users] a single build of Open MPI that can be used with multiple GCC versions

2016-02-10 Thread Douglas L Reeder
David, I you use modules to mange your PATH and LD_LIBRARY_PATH and load only the gcc tht you want when you build openmpi and your applications that sould fix it going forward. Doug > On Feb 10, 2016, at 10:58 AM, David Shrader wrote: > > Hello, > > Is it possible to use a single build of O

[OMPI users] a single build of Open MPI that can be used with multiple GCC versions

2016-02-10 Thread David Shrader
Hello, Is it possible to use a single build of Open MPI against multiple versions of GCC if the versions of GCC are from the same release series? I was under the assumption that as long as a binary-compatible compiler was used, it was possible to "swap out" the compiler from underneath Open M