On Wed, 18 Jul 2007 19:49:00 +0200, Alex Schuster wrote: > Another method, which I would use, would be to change your CFLAGS to > what you would like for the new processor, but use mtune= instead of > march=. This will also optimize for the cpu, but the code will run on > any x86 CPU. emerge world --emptytree to re-compile everything, then > switch your hardware.
Recompiling everything is unnecessary, you only need to recompile those packages that are necessary to get your system booting with the new hardware. emerge -e system should do that, along with recompiling the kernel. As long as you have a working toolchain, you can then recompile anything important to you that fails to work on the new hardware before resetting the CFLAGS and doing a background emerge -e world while getting on with whatever you use the computer for. Don't forget to set PORTAGE_NICENESS in make.conf before you emerge -e world. -- Neil Bothwick Nymphomania-- an illness you hear about but never encounter.
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