Clifford Wolf:

package/base/libxml2/libxml2.conf

@@ -0,0 +1 @@
+postmake="mkdir -p $root/etc/xml; install $confdir/update_catalog.sh $root/etc/xml/; $root/etc/xml/update_catalog.sh"

package/base/libxml2/parse-config

@@ -0,0 +1 @@
+var_append flistdel "|" "etc/xml/catalog"

package/base/libxml2/postinstall.sh

@@ -0,0 +1,6 @@
+
+if any_installed "usr/share/xml/[^/]*/catalog.xml" ; then
+	echo "Recreating /etc/xml/catalog file.."
+	( cd /etc/xml && ./update_catalog.sh; )
+fi
+

package/base/libxml2/update_catalog.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+. /etc/profile
+rm -f /etc/xml/catalog
+xmlcatalog --noout --create /etc/xml/catalog
+for catfile in `echo $XML_CATALOG_FILES | tr ' ' '\n' | sort -u`; do
+	xmlcatalog --noout --add nextCatalog $catfile "" /etc/xml/catalog
+done
+