Lapohos Tibor wrote: > Hello All, > > I the the 6.4 book thourgh, and it worked out very nicely. Now I need > a 64 bit version. I am aware that the support for 64 bit systems is > only about to come in a future release of LFS, but I would like to > give it a shot somehow, since that is what I need. In order to do > this, one needs a 64-bit compiler and kernel, which the x86_64 > lsflivecd has, at least in my understanding. Having said that, I > would like to ask a few questions: > > 1) For now, I am booting off the x86_64 lsflivecd, and I am following > the CLFS way to build a 64-bit multilib system, although pure 64 > would suffice, and somehow I find it unnatural that one would need to > cross-compile, while building for the host, on the host itself. It > just doesn't feel right. Or am I completelly wrong?
Yes, you are wrong. The reason for the cross compile is to completely isolate the current host from the new system. > 2) While on the x86_64 lsflivecd platform, by following the LSF 6.5 > instructions one should, more or less, be able to build a 64 bit > system. A few parameters would need to be modified only, right? For > example, having --target=x86_64-unknown-linux-gnu among the > compilation parameters, should on its own invoke 64-bit output > generation. A few settings could also be borrowed from the CLFS book, > in order to get 64-bit generation enabled, right? By the way, would > that not be the default gcc setting on a 64-bit platform? I mean, > automatically? 3) The lsflivecd (x86_64) site mentions an unofficial version of the, > I suppose, 64-bit version book, that I hope would contain some > pointers for me to start with, but neither could I find it in the > mounted CD iso image nor on the webpages. Is such thing really > available? A pointer to any version or draft would be highly > appreciated. Use the -dev book for a pure-64 system. See http://www.linuxfromscratch.org/lfs/view/development/prologue/architecture.html I do need to remove the note on the Host System Requirements page. -- Bruce -- http://linuxfromscratch.org/mailman/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/lfs/faq.html Unsubscribe: See the above information page
