--- boost_1_43_0/libs/thread/src/pthread/once.cpp.orig	2010-06-10 16:23:33.000000000 +0200
+++ boost_1_43_0/libs/thread/src/pthread/once.cpp	2010-06-11 13:30:57.711966591 +0200
@@ -32,6 +32,11 @@
                 BOOST_VERIFY(!pthread_key_create(&epoch_tss_key,delete_epoch_tss_data));
             }
             
+            void __attribute__((destructor)) delete_epoch_tss_key_on_dlclose()
+            {
+                if (epoch_tss_key_flag!=PTHREAD_ONCE_INIT)
+                    pthread_key_delete(epoch_tss_key);
+            }
         }
         
         boost::uintmax_t& get_once_per_thread_epoch()
--- boost_1_43_0/libs/thread/src/pthread/thread.cpp.orig	2010-04-01 17:04:15.000000000 +0200
+++ boost_1_43_0/libs/thread/src/pthread/thread.cpp	2010-06-11 14:16:05.857967651 +0200
@@ -92,6 +92,12 @@
             {
                 BOOST_VERIFY(!pthread_key_create(&current_thread_tls_key,&tls_destructor));
             }
+            
+            void __attribute__((destructor)) delete_current_thread_tls_key_on_dlclose()
+            {
+                if (current_thread_tls_init_flag.epoch!=BOOST_ONCE_INITIAL_FLAG_VALUE)
+                    pthread_key_delete(current_thread_tls_key);
+            }
         }
         
         boost::detail::thread_data_base* get_current_thread_data()