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Re: Long-term mass bug filing for crossbuild support

On Tue, Nov 06, 2007 at 01:04:48PM +0000, Neil Williams wrote:
> Emdebian has currently built 91 Debian source packages in the
> preparation of the basic root filesystem and other testing of the
> toolset. All of those have involved some level of patches to support
> cross-building with CDBS packages needing the least.

Which is FUD, insomuch as CDBS only handles cross-building for packages that
use GNU autoconf and many cross-building fixes require patching upstream

> This thread will discuss the type of changes that are needed, which
> packages are affected and how these bugs will be identified.

If you want that to be what the thread is about, kindly don't lead into it
with trolling about CDBS.

> I would recommend every maintainer of a compiled package to consider
> adding this basic level of cross-building support if it does not exist
> already.

I agree.  If nothing else, this is relevant because packages which use
autoconf may otherwise mis-optimize for targets other than the default
target for each of our given architectures when not explicitly told the
system type using the dpkg-architecture information.

> Note that CDBS is inherently *easier* to crossbuild than any other
> build system in Debian. Only one change is necessary:


Note that this is an inherently *non-obvious* change to have to make to
support cross-building, which is why the opacity of CDBS makes it an
incredibly sucky system if you want maintainers who are actually able to
reason about what their packages are doing.

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

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