--- Makefile.in.orig	2010-07-24 19:44:27.000000000 -0400
+++ Makefile.in	2010-07-24 19:45:59.000000000 -0400
@@ -1175,6 +1175,8 @@ uninstall-am: uninstall-pkgconfigDATA
 %.pc: %.pc.in
 	$(AM_V_GEN)sed -e 's,@prefix\@,$(prefix),g' \
 	    -e 's,@libdir\@,$(libdir),g' \
+	    -e 's,@PTHREAD_CFLAGS\@,$(PTHREAD_CFLAGS),g' \
+	    -e 's,@PTHREAD_LIBS\@,$(PTHREAD_LIBS),g' \
 	    -e 's,@PACKAGE_VERSION\@,$(PACKAGE_VERSION),g' $< > $@
 
 avahi.devhelp: doxygen-run