Index: generic/nsf.tcl
===================================================================
diff -u -r6c2e8f94be1ba335ff90d4b6b5132c98a9f5c242 -rf2c0f8e055015e58f3fa7bd338c872a2b7d76113
--- generic/nsf.tcl	(.../nsf.tcl)	(revision 6c2e8f94be1ba335ff90d4b6b5132c98a9f5c242)
+++ generic/nsf.tcl	(.../nsf.tcl)	(revision f2c0f8e055015e58f3fa7bd338c872a2b7d76113)
@@ -77,6 +77,19 @@
   }
   # initialize exit handler
   ::nsf::exithandler unset
+  
+  #
+  # logger
+  #
+  if {[info command ::ns_log] ne ""} {
+    proc ::nsf::log {level msg} {
+      ns_log $level "nsf: $msg"
+    }
+  } else {
+    proc ::nsf::log {level msg} {
+      puts stderr "$level: $msg"
+    }
+  }
 
   #
   # determine platform aware temp directory