diff --git a/configuration/configure.ac b/configuration/configure.ac
index f440564..3c38a1d 100755
--- a/configuration/configure.ac
+++ b/configuration/configure.ac
@@ -194,4 +194,10 @@
 AC_PATH_PROG(R, R)
 
 
+dnl
+dnl Web site synchronisation.
+dnl
+AC_PATH_PROG(SITECOPY, sitecopy)
+
+
 AC_OUTPUT