On Tue, 2021-03-16 at 22:47 +1100, Ben Sturmfels via Guix-patches via wrote: > Thanks, that solves my problem. One follow-up question - is it better > to > use the ".so" link or the specific "so.0"? Use the more specific one since that is a symlink for a fixed ABI, if the main library changes ABI it can then symlink with a bumped number to indicate that and not break any dependent package. If you use the less specific .so file directly then your package may suffer an ABI break.