Index: trunk/psLib/configure.ac
===================================================================
--- trunk/psLib/configure.ac	(revision 8992)
+++ trunk/psLib/configure.ac	(revision 8993)
@@ -379,10 +379,10 @@
   [AC_MSG_RESULT(doxygen enabled)
     AC_PATH_PROG([DOXYGEN], [doxygen], [missing])
-    AM_CONDITIONAL([DOXYGEN], test "x$doxygen" != "xmissing")
   ],
   [AC_MSG_RESULT([doxygen disabled])
-    AM_CONDITIONAL([DOXYGEN], [test "apples" == "oranges"])
+    doxygen=off
   ]
 )
+AM_CONDITIONAL([DOXYGEN], test "x$doxygen" != "xmissing" -a "x$doxygen" != "xoff")