Index: /trunk/ippdb/configure.ac
===================================================================
--- /trunk/ippdb/configure.ac	(revision 9154)
+++ /trunk/ippdb/configure.ac	(revision 9155)
@@ -30,6 +30,6 @@
 fi
 
-AC_PATH_PROG([DOXYGEN], [doxygen], [missing])
-AM_CONDITIONAL([HAVE_DOXYGEN], test "x$doxygen" != "xmissing")
+AC_PATH_PROG([DOXYGEN], [doxygen], [])
+AM_CONDITIONAL([HAVE_DOXYGEN], [test -n "$DOXYGEN"])
 
 dnl is this the best was to setup recursive CFLAGS?