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Re: [buildd-tools-devel] Bug#586333: Debian desktop support for virtualisation

Roger Leigh <rleigh@codelibre.net> writes:

> On Sun, Jun 27, 2010 at 10:48:25AM +0200, Josselin Mouette wrote:
>> Le dimanche 27 juin 2010 à 01:40 +0100, Roger Leigh a écrit :
>> > On Fri, Jun 25, 2010 at 01:46:41PM +0200, Josselin Mouette wrote:
>> > > You may also need (but I havenâ??t checked):
>> > >       * /var/run/cups for printing
>> > >       * /var/run/avahi-daemon
>> > > and some others that Iâ??m forgetting.
>> > 
>> > Thanks!  I think we now have most of these.  We don't preserve the
>> > environment by default (you have to use the -p option), but we
>> > could make that automatic in a future release by adding a new
>> > configuration option.  
>> You should definitely pass the following environment variables without
>> asking, since GNOME applications wonâ??t work without them:
> [...]
> I've added a 'preserve-environment=true|false' option today, which
> will pass the entire environment through minus some filtering for
> security (which doesn't cover any of the variables in your list).
>> Passing all of /var/run looks a bit dangerous to me since it could lead
>> some scripts in the chroot believe that a daemon is started in the
>> chroot. Iâ??m not sure if thatâ??s a real problem, but you should probably
>> at least print a warning somewhere.
> Agreed.  I'll just limit this to /var/run/gdm3 in the next upload.
> Unfortunately, because we can't be sure gdm3 is installed, it will
> need to be commented out by default.  Or we need to make schroot-mount
> less picky about mount failures.  I would be somewhat dubious about
> doing that though, since it would mask a whole set of failures and
> could have security implications.
> So it's still not perfect, but I think we can easily document the
> few minor bits of tweaking required--the major bits are all done at
> least.
> Regards,
> Roger
> -- 
>   .''`.  Roger Leigh
>  : :' :  Debian GNU/Linux             http://people.debian.org/~rleigh/
>  `. `'   Printing on GNU/Linux?       http://gutenprint.sourceforge.net/
>    `-    GPG Public Key: 0x25BFB848   Please GPG sign your mail.

Don't forget about mail and sound and probably a lot more. The chroot
way will allways be a case-by-case option though. Every user can easily
create one for their needs but covering all the possible configurations
so it works out-of-the-box for everyone will be hellishly complicated.

Me I just use ia32-apt-get + dpkg-cross and do

  apt-get install <32bit only programm>
  apt-get build-dep bla-armel-cross


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