+if have_docbook
+
+@PACKAGE@.html: ${top_srcdir}/doc/@PACKAGE@.xml
+ XML_CATALOG_FILES=$(XML_CATALOG_FILES) $(XSLTPROC) $(XSLTPROC_FLAGS) -o $@ $(XHTML_STYLESHEET) $<
+
+##.xml.html:
+# XSLTPROC_OPTS=/usr/share/xml/docbook/xsl-stylesheets-/xhtml/docbook.xsl
+### $(XSLTPROC) --output $@ --nonet $(docbook_styles)/docbook.xsl $<
+
+else
+
+@PACKAGE@.html:
+ touch $@
+
+endif
+