On 11/17/10 00:01:15, Adam Carter wrote: > > I have an up-to-date ~amd64 GenToo installation with has been > > built on a current AMD64 (Phenom II) machine where I used > > -mtune=native in etc/make.conf since I didn't think of the case > > that I would need to port this system to a somewhat older Opteron > > based machine (still AMD64) > > > > But after cloning the system, some fundamental utilities die of > > an illegal instruction. > > > > Did you have -march set? If so, what to? > > If -march is unset, then AFAIK your binaries should run on any amd64 > machine. If you have it set to native, then your binaries will only > run on > equal or greater hardware than what it was built on.
Thanks Alan. I knew that, but then I inherited an somewhat older Opteron machine and I wasn't aware that this one had a different instruction set then current Opterons. Helmut. -- Helmut Jarausch Lehrstuhl fuer Numerische Mathematik RWTH - Aachen University D 52056 Aachen, Germany
