ante wrote: > On Mon, Apr 9, 2012 at 10:09 PM, Bruce Dubbs <bruce.du...@gmail.com> wrote: >> ante wrote: >>> Well, I try to ask it once more. Can anybody explain (or give me a link to >>> relevant discussion) why glibc should be compiled with -march=i486 option? >>> I remember that in LFS 5.0 it was recommended to clear CFLAGS and CXXFLAGS >>> during compilation; but why it is recommended -march=i486 option now? >> To make it consistent for 32-bit intel platforms. There are very few >> differences in the instruction set between i486 and later. Building for >> an i686 would probably break if run on an i486 and there would be no >> significant performance improvements. > > Yes, I understand this. But the system won't run on i486 anyway since > glibc is the only package built with -march=i486 option. So I suppose > there must be yet another reason.
It was added 09/15/07. See http://wiki.linuxfromscratch.org/lfs/ticket/2018 -- Bruce -- http://linuxfromscratch.org/mailman/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/lfs/faq.html Unsubscribe: See the above information page
