Unlike webrtc on OS X, these webrtc libraries are not in a flat folder. They are in the following paths.
/home/jcw/webrtc/src/out/Release
/home/jcw/webrtc/src/out/Release/obj/webrtc
/home/jcw/webrtc/src/out/Release/obj/webrtc/modules/video_coding/codecs/vp9
/home/jcw/webrtc/src/out/Release/obj/webrtc/modules/video_coding/codecs/vp8
/home/jcw/webrtc/src/out/Release/obj/webrtc/video_engine
/home/jcw/webrtc/src/out/Release/obj/webrtc/system_wrappers