diff -aurN yelp-2.13.4.orig/m4/gecko.m4 yelp-2.13.4/m4/gecko.m4
--- yelp-2.13.4.orig/m4/gecko.m4	2006-01-15 19:48:46.000000000 +0100
+++ yelp-2.13.4/m4/gecko.m4	2006-02-01 18:58:35.741476000 +0100
@@ -88,9 +88,9 @@
 xulrunner) gecko_cv_gecko_flavour=toolkit ;;
 esac
 
-_GECKO_INCLUDE_ROOT="`$PKG_CONFIG --variable=includedir ${gecko_cv_gecko}-gtkmozembed`"
-_GECKO_HOME="`$PKG_CONFIG --variable=libdir ${gecko_cv_gecko}-gtkmozembed`"
-_GECKO_PREFIX="`$PKG_CONFIG --variable=prefix ${gecko_cv_gecko}-gtkmozembed`"
+_GECKO_INCLUDE_ROOT="`$PKG_CONFIG --variable=includedir ${gecko_cv_gecko}-xpcom`"
+_GECKO_HOME="`$PKG_CONFIG --variable=libdir ${gecko_cv_gecko}-xpcom`"
+_GECKO_PREFIX="`$PKG_CONFIG --variable=prefix ${gecko_cv_gecko}-xpcom`"
 
 fi # if gecko_cv_have_gecko