On 2015-04-23 12:19, Thorsten Glaser wrote: > fail > > ./mb.h:64:2: error: #error Need to define rmb for this architecture! Patches welcome (in case there are any performance counters on m68k that could be exposed via PAPI, e.g. something available via libpfm4 which seems to have built on m68k, but I don't know how to check). Andreas