On Mon, Apr 9, 2012 at 10:09 PM, Bruce Dubbs <[email protected]> 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. -- ante -- http://linuxfromscratch.org/mailman/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/lfs/faq.html Unsubscribe: See the above information page
