[linux-audio-user] Trouble compiling JACK 0.98.1

Hi, I'm rebuilding my Linux Audio box after a card change and system crash. I know I've seen this problem before but can't remember what I did to fix it (and that system and all its logs are long gone.) I'm using a Delta 1010 (not the LT) I'm using the CCRMA kernel: kernel-2.4.26-1.ll.rh90.ccrma The latest ALSA release: 1.0.5a Now I'm compiling JACK 0.98.1 and I get this in the middle of my './configure' trace: ------------------------------------------------------ checking for pkg-config... /usr/bin/pkg-config checking for sndfile >= 1.0... Package sndfile was not found in the pkg-config search path. Perhaps you should add the directory containing `sndfile.pc' to the PKG_CONFIG_PATH environment variable No package 'sndfile' found configure: WARNING: *** the jackrec example client will not be built ------------------------------------------------------ wha...? Am I gonna be needing this 'jackrec example client'? Anybody have a clue-by-4 to throw in my direction? ;-) Peace, ~Jos~