Those autobuilders (SLES10) which did have alsa-devel installed don't have the <alsa/pcm_rate.h> header file in their package. At the moment I only know this to be a problem for devchk, but I wonder if it indicates a version mismatch with the spec? alsa-1.0.11-32.2 alsa-devel-1.0.11-32.2