diff -r 67d82d94a076 -r bfc0bb115fa1 src/Pure/build-jars
--- a/src/Pure/build-jars	Mon Jul 04 16:54:58 2011 +0200
+++ b/src/Pure/build-jars	Mon Jul 04 20:18:19 2011 +0200
@@ -9,6 +9,7 @@
 ## sources
 
 declare -a SOURCES=(
+  Concurrent/counter.scala
   Concurrent/future.scala
   Concurrent/simple_thread.scala
   Concurrent/volatile.scala