Index: trunk/Nebulous/nebclient/configure.ac
===================================================================
--- trunk/Nebulous/nebclient/configure.ac	(revision 13209)
+++ trunk/Nebulous/nebclient/configure.ac	(revision 13224)
@@ -1,5 +1,5 @@
 dnl Copyright (C) 2005  Joshua Hoblitt
 dnl
-dnl $Id: configure.ac,v 1.16 2007-05-04 00:48:08 jhoblitt Exp $
+dnl $Id: configure.ac,v 1.17 2007-05-04 02:14:04 jhoblitt Exp $
 
 AC_PREREQ(2.59)
@@ -20,8 +20,14 @@
 AC_PROG_LIBTOOL
 
-AC_PATH_PROG([DOXYGEN], [doxygen], [missing])
-if test "$DOXYGEN" = "missing" ; then
-  AC_MSG_ERROR([doxygen is required])
-fi
+AC_ARG_ENABLE(doxygen,
+  [AS_HELP_STRING(--enable-doxygen ,enable manpage generation)],
+  [AC_MSG_RESULT(doxygen enabled)
+    AC_PATH_PROG([DOXYGEN], [doxygen], [])
+  ],
+  [AC_MSG_RESULT([doxygen disabled])
+    doxygen=off
+  ]
+)
+AM_CONDITIONAL([HAVE_DOXYGEN], test -n "$DOXYGEN" -a "x$doxygen" != "xoff")
 
 dnl needed by doxygen