[Pkg-alsa-devel] Bug#531668: Bug#531668: Bug#552203: Test versions still broken

Tony Houghton h at realh.co.uk
Mon Jan 11 21:00:49 UTC 2010

On Mon, 11 Jan 2010 20:10:49 +0100
Elimar Riesebieter <riesebie at lxtec.de> wrote:

> What do have distributors like we are to do that modules do compile
> a distributed header? A build against a vanilla one suceeded!
> (2.6.*) Alsa drivers intention is to build against _every_ 2.6
> series kernel. I know much installations running a 2.6.11 or
> 2.6.5...... And there are no bugs like "none headers found" in the
> alsa BTS. Think, there are thousands of users which compile their
> own alsa-drivers and no one complained about a failure like the
> Debian ones. So what is wrong here?

If they compiled the upstream alsa drivers they probably used an
upstream kernel too. People who tried to compile against a Debian kernel
would be more likely to use the debian alsa source package, so they
complained in the Debian BTS instead.

> > It looks
> > as if you need to replace some of the upstream configure checks with
> > Debian-specific ones. kmod.h is supplied by a Debian package, but the
> > configure script can't find it:
> No, the build against a vanilla compiled kernel is absolutely clean
> and suceeded. You have to tell m-a where the headers are.
> > ~ $ dpkg -S kmod.h
> > linux-headers-2.6.32-trunk-common: /usr/src/linux-headers-2.6.32-trunk-common/include/linux/kmod.h
> I see. m-a needs to know where to look for. I'll install the headers
> and try it again.

m-a should be able to find the headers automatically. It certainly knows
all about the headers-*-common and headers-*-arch packages because it
downloads them if they aren't already installed. I think the problem is
because the alsa package finds the headers in some way of its own (I'm
not used to module packages having configure scripts) that isn't
compliant with debian kernels, but I can't find docs about how you're
supposed to prepare kernel module debs. I checked /lib/modules/... and
found these links, HTH:

~ $ ls -l /lib/modules/2.6.32-trunk-amd64/
total 2220
lrwxrwxrwx 1 root root     41 Jan 11 18:42 build -> /usr/src/linux-headers-2.6.32-trunk-amd64
lrwxrwxrwx 1 root root     41 Jan  8 17:59 build.save -> /usr/src/linux-headers-2.6.32-trunk-amd64
lrwxrwxrwx 1 root root     42 Jan  5 19:56 source -> /usr/src/linux-headers-2.6.32-trunk-common

TH * http://www.realh.co.uk

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