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Bug#612958: apt and dpkg configured separately for multiarch?

On Wed, Feb 16, 2011 at 04:30:31PM +0100, Goswin von Brederlow wrote:
> This needs some redesign I'm afraid. Specifically in combination with
> cross-compiling.

> There are 4 kinds of architectures:

> 1) the native arch (the prefered arch)
> 2) foreign archs directly supported by the cpu
> 3) foreign archs supported by emulator (use as last resort)
> 4) cross-compile arch (don't install binaries from there, only libs)

> 1-3 is just a matter of preference, affect only apt and can be
> configured using pining.  But for 4 the Packages file needs to be
> filtered and dpkg should require extra force to install a binary package
> for that arch.

I disagree that there's anything special about the cross-compile case.  This
is just another level of preference; packages for the cross-compile arch
should be pulled in only when explicitly requested, which in the context of
build-dependencies they obviously will be.  There's no need to complicate
the configuration interface, pinning handles this as well as it does the
other cases.

If you actually wind up pulling in binaries in the process, <shrug> - the
package has broken build-dependencies.  Fix that - don't overengineer the
preferences interface declaration.

Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                    http://www.debian.org/
slangasek@ubuntu.com                                     vorlon@debian.org

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