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> I have an up-to-date ~amd64 GenToo installation with has been |
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> built on a current AMD64 (Phenom II) machine where I used |
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> -mtune=native in etc/make.conf since I didn't think of the case |
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> that I would need to port this system to a somewhat older Opteron |
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> based machine (still AMD64) |
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> |
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> But after cloning the system, some fundamental utilities die of |
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> an illegal instruction. |
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> |
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Did you have -march set? If so, what to? |
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If -march is unset, then AFAIK your binaries should run on any amd64 |
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machine. If you have it set to native, then your binaries will only run on |
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equal or greater hardware than what it was built on. |