diff --git a/DOCS/xml/configure b/DOCS/xml/configure
index f8dd8b451e..520afd3b11 100755
--- a/DOCS/xml/configure
+++ b/DOCS/xml/configure
@@ -10,6 +10,7 @@ echo "Searching for XML catalogs..."
 for _try_catalog in \
   /etc/sgml/catalog \
   /usr/share/xml/docbook/*/catalog.xml \
+  /opt/local/share/xml/docbook-xml/*/catalog.xml \
   /usr/share/sgml/docbook/xml-dtd-4.1.2/xmlcatalog \
   /usr/share/apps/ksgmltools2/customization/en/catalog \
   /usr/share/sgml/catalog \
@@ -46,6 +47,7 @@ for _try_chunk_xsl in \
   /usr/share/docbook-xsl/html/chunk.xsl \
   /usr/share/sgml/docbook/xsl-stylesheets*/html/chunk.xsl \
   /usr/share/xml/docbook/stylesheet/nwalsh/current/html/chunk.xsl \
+  /opt/local/share/xsl/docbook-xsl/html/chunk.xsl \
 
 do
   if test -f "$_try_chunk_xsl"
@@ -73,6 +75,7 @@ for _try_docbook_xsl in \
   /usr/share/docbook-xsl/html/docbook.xsl \
   /usr/share/sgml/docbook/xsl-stylesheets*/html/docbook.xsl \
   /usr/share/xml/docbook/stylesheet/nwalsh/current/html/docbook.xsl \
+  /opt/local/share/xsl/docbook-xsl/html/docbook.xsl \
 
 do
   if test -f "$_try_docbook_xsl"
@@ -129,6 +132,7 @@ for _try_dtd in \
   /usr/share/sgml/docbook/xml-dtd-4.2/docbookx.dtd \
   /usr/share/sgml/docbook/xml-dtd-4.4/docbookx.dtd \
   /usr/share/xml/docbook/schema/dtd/4.2/docbookx.dtd \
+  /opt/local/share/xml/docbook-xml/4.2/docbookx.dtd \
   /usr/share/sgml/docbook/dtd/4.2/docbookx.dtd
 do
   if test -f "$_try_dtd"