We noticed that there is an assert(fname) in both of the dl components: * https://github.com/open-mpi/ompi/blob/master/opal/mca/dl/dlopen/dl_dlopen_module.c#L53 * https://github.com/open-mpi/ompi/blob/master/opal/mca/dl/libltdl/dl_libltdl_module.c#L21
But according to the dl.h, NULL should be an acceptable parameter for fname: https://github.com/open-mpi/ompi/blob/master/opal/mca/dl/dl.h#L67 For dlopen() it returns a handle to the program space, which can be handy. I think it was just an oversight in the original code that has not been encountered yet. But before I work on a patch, I wanted to check to see if was a reason to put the assert in the code. git blame says that Jeff Squyres put this code in there a while back, so I don't know if he remembers. Thanks, Josh
