Index: avahi-0.6.27/Makefile.am
===================================================================
--- avahi-0.6.27.orig/Makefile.am
+++ avahi-0.6.27/Makefile.am
@@ -155,6 +155,7 @@ pkgconfigdir = $(libdir)/pkgconfig
 %.pc: %.pc.in
 	$(AM_V_GEN)sed -e 's,@prefix\@,$(prefix),g' \
 	    -e 's,@libdir\@,$(libdir),g' \
+	    -e 's,@HOWL_COMPAT_VERSION\@,$(HOWL_COMPAT_VERSION),g' \
 	    -e 's,@PACKAGE_VERSION\@,$(PACKAGE_VERSION),g' $< > $@
 
 pkgconfig_DATA = avahi-core.pc