Use --with-arch=i486 only for x86. Also force '-m64' for 64-bit builds.
Lastly, use 'make' instead of 'make bootstrap' on gcc pass 1. The bootstrap is now default.
git-svn-id: http://svn.linuxfromscratch.org/LFS/branches/jh/BOOK@8349 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689