On Mon, 05 May 2008 the mental interface of David Witbrodt told: > Hope I'm not interfering too much by throwing in my 2 cents, but > here goes.... [...] > > from my testing alsa-source 1.0.16-1.1 fails to build with > > linux-2.6 2.6.25-1. Same goes for the 1.0.16 tarball from > > alsa-project.org and a pristine 2.6.25.1 > > > > filippo > > > I believe Elimar was trying to say that new 'alsa-source' packages > are being prepared which _will_ compile OK with 2.6.25* kernels;
Indeed ;) > and he is saying that kernel 2.6.25 itself is packaged with ALSA > 1.0.16-rc2, but that means building ALSA _into_ the kernel and > _not_ using ALSA in the form of kernel modules. Can be build as modules as well! > If I am not mistaken there has been an API change and versions of > ALSA released before kernel 2.6.25 was released will not build > with kernel 2.6.25 (without patches, and I don't know if anyone > has prepared such patches). I am in the habit of replacing the > ALSA sources in the kernel tree with newer sources obtained > directly from alsa-project.org; when I built 2.6.25 for the first > time this past weekend I found that the last stable release of > ALSA (1.0.16) would not work with it, though it works fine with > kernel 2.6.24. ftp://ftp.alsa-project.org/pub/kernel-patches/alsa-git-2008-04-24.patch.gz > When I had built 2.6.24 for the first time, I had made a mistake > using Mercurial and had obtained a post-1.0.16 version of ALSA to > replace the kernel sources, and found that even 2.6.24 would not > build because they immediately changed the API to support features > only available in the upcoming 2.6.25 kernel. I quickly checked > out the correct ALSA sources for the official ALSA 1.0.16 release, > and that build with 2.6.24 OK. Debian uses vanilla alsa-drive 1.0.16 as well. > The 2.6.25 kernel has been packaged with a version of ALSA > slightly older than 1.0.16 (the 1.0.16-rc2 version in the kernel > is a few days older), and it has been patched to work correctly. > But all of the available Debian packages for building ALSA modules > were designed for kernels before 2.6.25... though Elimar mentioned > that new 'alsa-source' packages compatible with 2.6.25 are coming > soon. 2.6.26-rc1 comes with 1.0.16. > You have these options: > > 1) Just build kernel 2.6.25 with the ALSA sources provided with > it. Those are nearly identical to the official ALSA 1.0.16 > release, anyway. will be 1.0.16rc2 > 2) Use Mercurial to obtain 'alsa-kernel' sources directly from > alsa-project.org, like I do. These have no real "version" number > to speak of, and are several months newer than the official 1.0.16 > ALSA release. You can build ALSA directly into the kernel or as > loadable modules this way, but if you build them as modules you > will not have nice DEBs that can be installed, uninstalled, > reinstalled, etc. (This presents no problem that I know of, > however.) ftp://ftp.suse.com/pub/projects/alsa/snapshot/driver/alsa-driver-hg20080506.tar.bz2 > 3) Wait for the Debian ALSA Maintainers to provide new > 'alsa-source' packages before moving to the 2.6.25 kernel. Please be patient. We're on the way ;) Elimar -- We all know Linux is great... it does infinite loops in 5 seconds. -- Linus Torvalds
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