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

[Allan McRae]

Aaron Griffin wrote:
> 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
>   

That is my plan.  I just need to find the time.