Add checks for libevent.so conflict with LSF#7698

hppritcha merged 5 commits intoopen-mpi:v4.0.xopen-mpi/ompi:v4.0.xfrom

jjhursey:v4-fix-lsf-libeventjjhursey/ompi:v4-fix-lsf-libeventCopy head branch name to clipboard