Hello, I've some test files but the link-step does not return (waits forever). gcc.link ../../../bin.v2/libs/tp/test/test_bounded_queue_fifo.test/gcc-4.3.1/debug/link-static/threading-multi/test_bounded_queue_fifo The Jam file: import testing ; project : requirements <library>../../test/build//boost_unit_test_framework <library>../../thread/build//boost_thread <library>../../system/build//boost_system <link>static <threading>multi ; rule tp-test ( source ) { return [ run $(source).cpp ] ; } test-suite thread_pool : [ tp-test test_bounded_queue_fifo ] [ tp-test test_bounded_queue_lifo ] [ tp-test test_bounded_queue_priority ] [ tp-test test_bounded_queue_smart ] [ tp-test test_unbounded_queue_fifo ] [ tp-test test_unbounded_queue_lifo ] [ tp-test test_unbounded_queue_priority ] [ tp-test test_unbounded_queue_smart ] ; Platform LINUX (Debian/Lenny). regards, Oliver