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--- a/src/configure.ac
+++ b/src/configure.ac
@@ -86,6 +86,17 @@
    else
 	AC_MSG_ERROR([fam library not found])
    fi
+fi
+
+# Real time monitoring with inotify
+AC_ARG_WITH(inotify, 
+    AC_HELP_STRING([--with-inotify],
+   [Use inotify for almost real time indexing of modified files.]),
+        withInotify=$withval, withInotify=no)
+
+if test X$withInotify != Xno ; then
+   AC_DEFINE(RCL_MONITOR, 1, [Real time monitoring option])
+   AC_DEFINE(RCL_USE_INOTIFY, 1, [Compile the inotify interface])
 fi
 
 ##### Look for iconv. We first look for libiconv in /usr/local/lib:/usr/lib