On May 29, 2012, at 11:42 AM, Jed Brown wrote: > The pkg-config approach is to use pkg-config --static if you want to link > that library statically.
Do the OMPI pkg-config files not do this properly? > So the problem is almost exclusively one of binary compatibility. If an app > or library is only linked to the interface libs, underlying system libraries > can be upgraded to different soname without needing to relink the > applications. For example, libhwloc could be upgraded to a different ABI, > Open MPI rebuilt, and then the user application and intermediate MPI-based > libraries would not need to be rebuilt. This is great for distributions and > convenient if you work on projects with lots of dependencies. > > It's not such an issue for HPC applications because we tend to recompile a > lot and don't need binary compatibility for many of the most common use > cases. There is also the linker option -Wl,--as-needed that usually does what > is desired. Mmmm. Ok. Brian and I are going to be in the same physical location next week; I'll chat with him about this. -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
