On Wed, Jan 14, 2009 at 1:07 AM, Allan McRae <al...@archlinux.org> wrote: > Aaron Griffin wrote: >> >> On Tue, Jan 13, 2009 at 10:20 PM, Allan McRae <al...@archlinux.org> wrote: >> >>> >>> Hi, >>> >>> It has come to my attention that some people are not building packages in >>> a >>> clean chroot and others are managing the chroots themselves so I wrote a >>> brief wiki entry on the scripts provided in devtools to do this [1]. Any >>> comments on how to improve it would be appreciated. I have not added a >>> section on using these tools to build i686 packages on x86_64 as I have >>> not >>> attempted that, so if someone could try that out and add it to the page, >>> that would be appreciated. >>> >>> [1] >>> >>> http://wiki.archlinux.org/index.php/DeveloperWiki:Building_in_a_Clean_Chroot >>> >> >> Great writeup Allan. I had been meaning to do this for some time. >> >> The only thing I can think of would be a mention that this does use >> unionfs to maintain the clean chroot, so all changes made while >> building, and all deps installed (as depends or makedepends) are never >> installed to the actual chroot itself. So no matter what, the chroot >> is always clean (though the <chrootdir>/rw dir may become dirty. >> >> I don't know if you'd phrase that better than I. It's always good to >> see docs written by someone who did not make the tools themselves. It >> helps clear things up. >> >> > > I will add some clarification along these lines to the page. >> >> When I was running the 64bit build server, I actually had one main >> chroot at /var/archroot/ and symlinked that in >> /etc/skel/<chrootdir>/root. This way all users on the system shared >> one global chroot, which was updated by a cron job ever hour or so. >> >> Additionally, I never tested this with 32bit chroots on a 64bit >> system. I *think* it might just be a matter of running things with >> "linux32", but I'm not too sure. >> > > Having a comp for each arch, I have never tried any of this out so be > prepared for the potentially stupid question that follows... Is that the > "linux32" from util-linux-ng? Because I notice there is a linux64 in that > package too. So can I build x86_64 packages on my i686 using that (given my > processor supports x86_64)? I guess I might need a non-standard kernel to > do that...
Not sure, exactly. It'd be nice to have a way to cross-compile packages, though. I had been meaning to look into it.