cross-posting also here:
This is caused by the fact that the binary was compiled with
optimizations that are CPU dependent and they fail if you run on older
hardware.
We are still struggling with getting the installers to work reliable,
but I just added a .dmg file for 8.5.1 here
https://urldefen
Hiro,
I don't know the answer (and I don't know whether there are enough people with
Macs using ASPECT), so let me redirect you further to the deal.II mailing list
(CC:ed).
If you're not subscribed to the deal.II mailing list, you should be able to
find answers on the online google group for
