Index: libcfa/src/bits/weakso_locks.cfa
===================================================================
--- libcfa/src/bits/weakso_locks.cfa	(revision e84ab3dadc96fd4dc82b5b0bc20cfe9b14f64259)
+++ libcfa/src/bits/weakso_locks.cfa	(revision f37d9e7046a9c6349e0b0e9fbabf75209183a3ef)
@@ -18,4 +18,6 @@
 #include "bits/weakso_locks.hfa"
 
+#pragma GCC visibility push(default)
+
 void  ?{}( blocking_lock &, bool, bool ) {}
 void ^?{}( blocking_lock & ) {}