--- avahi-client.pc.in.orig	2011-12-30 21:26:44 UTC
+++ avahi-client.pc.in
@@ -6,5 +6,5 @@ includedir=${prefix}/include
 Name: avahi-client
 Description: Avahi Multicast DNS Responder (Client Support)
 Version: @PACKAGE_VERSION@
-Libs: -L${libdir} -lavahi-common -lavahi-client
-Cflags: -D_REENTRANT -I${includedir}
+Libs: -L${libdir} -lavahi-common -lavahi-client @PTHREAD_LIBS@
+Cflags: -D_REENTRANT @PTHREAD_CFLAGS@ -I${includedir}