[arch-general] 32bit chroot in 64bit guest

[Aaron Griffin]

On Tue, Jul 14, 2009 at 6:47 PM, Allan McRae<allan at archlinux.org> wrote:
> bardo wrote:
>>
>> makechrootpkg launches sudo only once, at line 202, and this is the
>> full command:
>> sudo -u nobody makepkg $MAKEPKG_ARGS || touch BUILD_FAILED
>>
>
> I do this all the time.  I run the 64 bit kernel on a 32 bit userland and
> have chroots to build for both architectures.  It takes a bit of hacking to
> mkarchroot and makechrootpkg though.  I haven't
>
> The reason it fails there is it makechrootpkg needs a scattering of
> linux32's throughout.  Also, you will want it to source /etc/makepkg32.conf
> (or something...) instead of /etc/makepkg.
>
> I posted the hacked scripts I use at
>  http://allanmcrae.com/scripts/dbscripts.tar.gz .  Note that mkarchroot
> builds for i686 and mkarchroot64 builds for x86_64 but as my pacman is i686,
> I source a different makepkg.conf file on x86_64.  Diff the files with
> similar names against each other to see what I have done...
>
> You still need to manually adjust pacman.conf when generating the chroot
> with mkarchroot, but from then on updating is fine.
>
> One day I will patch the devtools to make this easier...

Perhaps adding arguments like --32 and --64 to selectively include
linux32 and linux64 calls would be a good idea