$NetBSD: patch-ab,v 1.4 2010/09/25 12:29:01 wiz Exp $

--- doc/Makefile.in.orig	2010-09-25 12:02:12.000000000 +0000
+++ doc/Makefile.in
@@ -408,7 +408,7 @@ uninstall-am: uninstall-helpDATA
 html/GuideIndex.html: docbook/GuideIndex.xml
 	rm -rf html; mkdir html
 	if [ -x "$(GNOME_DOC_TOOL)" ]; then \
-		"$(GNOME_DOC_TOOL)" html -o html $(srcdir)/docbook/GuideIndex.xml ; \
+		cd html && "$(GNOME_DOC_TOOL)" html ../$(srcdir)/docbook/GuideIndex.xml ; \
 	else \
 		echo "gnome-doc-tool not found, html is not built" ; \
 	fi