Hi, On 19/01/2020 03:26, Uli Wienands wrote: > Success! (I wonder why it would build the whole thing rather than > downloading a binary; but it did build). And python37 does import > numpy now. what kind of success, if I may ask? You were given many options :) OpenBLAS fails for me - the "fix" was to switch to OpenBLAS-devel Riccardo