--- a/configure.in
+++ b/configure.in
@@ -21,7 +21,7 @@
 ### Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 ### 02111-1307, USA. 
 
-AC_REVISION($Revision: 1.288 $)
+AC_REVISION($Revision: 1.289 $)
 AC_PREREQ(2.9)
 AC_INIT(src/octave.cc)
 AC_CONFIG_HEADER(config.h)
@@ -683,6 +683,13 @@
 AC_CHECK_LIB(sun, getpwnam)
 AC_CHECK_LIB(socket, gethostname)
 
+case "$canonical_host_type" in
+  alpha-dec-osf*)
+    AC_CHECK_LIB(dxml, dgemm_, [SPECIAL_MATH_LIB=-ldxml])
+  ;;
+esac
+AC_SUBST(SPECIAL_MATH_LIB)
+
 ### How big are ints and how are they oriented?  These could probably
 ### be eliminated in favor of run-time checks.