More forward declarations

diff --git a/include/simgrid/forward.h b/include/simgrid/forward.h
index 3edfa80..fc38085 100644 (file)
--- a/include/simgrid/forward.h
+++ b/include/simgrid/forward.h
@@ -155,6 +155,8 @@ namespace activity {
   using ConditionVariableImplPtr = boost::intrusive_ptr<ConditionVariableImpl>;
   XBT_PUBLIC void intrusive_ptr_add_ref(ConditionVariableImpl* cond);
   XBT_PUBLIC void intrusive_ptr_release(ConditionVariableImpl* cond);
+  class ConditionVariableAcquisitionImpl;
+  using ConditionVariableAcquisitionImplPtr = boost::intrusive_ptr<ConditionVariableAcquisitionImpl>;
 
   class CommImpl;
   using CommImplPtr = boost::intrusive_ptr<CommImpl>;