--- avahi-qt4.pc.in.orig	2011-12-30 21:26:44 UTC
+++ avahi-qt4.pc.in
@@ -7,5 +7,5 @@ Name: avahi-qt4
 Description: Avahi Multicast DNS Responder (QT4 Support)
 Version: @PACKAGE_VERSION@
 Requires.private: QtCore >= 4.0.0
-Libs: -L${libdir} -lavahi-qt4
-Cflags: -D_REENTRANT -I${includedir}
+Libs: -L${libdir} -lavahi-qt4 @PTHREAD_LIBS@
+Cflags: -D_REENTRANT @PTHREAD_CFLAGS@ -I${includedir}