Index: Makefile.am
===================================================================
--- Makefile.am	(revision 1011)
+++ Makefile.am	(working copy)
@@ -105,24 +105,40 @@
 
 if HAVE_DBUS
 
-pkgconfig_DATA += avahi-client.pc avahi-compat-libdns_sd.pc  avahi-compat-howl.pc
+pkgconfig_DATA += avahi-client.pc
 
 avahi-client.pc: avahi-client.pc.in
 	sed -e 's,@prefix\@,$(prefix),g' \
 	    -e 's,@PACKAGE_VERSION\@,$(PACKAGE_VERSION),g' $< > $@
 
-avahi-compat-libdns_sd.pc: avahi-compat-libdns_sd.pc.in
-	sed -e 's,@prefix\@,$(prefix),g' \
-	    -e 's,@PACKAGE_VERSION\@,$(PACKAGE_VERSION),g' $< > $@
+CLEANFILES += avahi-client.pc
 
+if ENABLE_COMPAT_HOWL
+
+pkgconfig_DATA += avahi-compat-howl.pc
+
 avahi-compat-howl.pc: avahi-compat-howl.pc.in
 	sed -e 's,@prefix\@,$(prefix),g' \
 	    -e 's,@HOWL_COMPAT_VERSION\@,$(HOWL_COMPAT_VERSION),g' $< > $@
 
-CLEANFILES += avahi-client.pc avahi-compat-libdns_sd.pc avahi-compat-howl.pc
+CLEANFILES += avahi-compat-howl.pc
 
 endif
 
+if ENABLE_COMPAT_LIBDNS_SD
+
+pkgconfig_DATA += avahi-compat-libdns_sd.pc
+
+avahi-compat-libdns_sd.pc: avahi-compat-libdns_sd.pc.in
+	sed -e 's,@prefix\@,$(prefix),g' \
+	    -e 's,@PACKAGE_VERSION\@,$(PACKAGE_VERSION),g' $< > $@
+
+CLEANFILES += avahi-compat-libdns_sd.pc
+
+endif
+
+endif
+
 if HAVE_GLIB
 
 pkgconfig_DATA += avahi-glib.pc