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SubjectRe: chroot(2) and bind mounts as non-root
>>>>> "Colin" == Colin Walters <walters@verbum.org> writes:

Colin> On Thu, 2011-12-08 at 13:14 -0500, John Stoffel wrote:
>> Or is it because you're trying to edit on one OS, such a fedora 14,
>> then build and debug inside an Debian 5.0 setup? But without running
>> a completely seperate system, but just doing a chroot into a new
>> filesystem tree?

Colin> Yes, something like that; basically it's about ensuring that
Colin> the libfoo we're building binaries against is
Colin> /home/walters/build/libfoo.so and not /usr/lib/libfoo.so.

Colin> I'm actually intending for the core build system of my OS to
Colin> work in *both* cross and native compilation. That means it's
Colin> important to keep them as close as possible.

Colin> What you were talking about above (i.e. "just don't chroot") is
Colin> what http://buildroot.net does (and others, I also
Colin> semi-maintain GNOME's jhbuild). It works if you're very
Colin> careful in your build scripts, know and carefully propagate the
Colin> large set of magic environment variables, etc., then yes, you
Colin> can do it.

Colin> But chroot is just so nice a hammer for this nail.

I can see that, but maybe you can still fix this in userspace using
the schroot tool others have mentioned.

John


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