Agreed, this looks like an oversight.
In dl.h, I even said that you could pass NULL as fname:
https://github.com/open-mpi/ompi/blob/master/opal/mca/dl/dl.h#L67
These asserts can safely be removed. Thanks!
> On May 5, 2016, at 3:40 PM, Josh Hursey <jjhur...@open-mpi.org> wrote:
>
> 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
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Jeff Squyres
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