From 4f00ed8e7bb1267a9fb7a68b413f705c606068f5 Mon Sep 17 00:00:00 2001
From: Arnaud Giersch <arnaud.giersch@univ-fcomte.fr>
Date: Thu, 12 Apr 2018 13:05:48 +0200
Subject: [PATCH 1/1] Fix mingw builds (?)

---
 include/simgrid/s4u/Mutex.hpp   | 4 ++--
 include/simgrid/s4u/forward.hpp | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/simgrid/s4u/Mutex.hpp b/include/simgrid/s4u/Mutex.hpp
index f9cd035c85..d52df2d19c 100644
--- a/include/simgrid/s4u/Mutex.hpp
+++ b/include/simgrid/s4u/Mutex.hpp
@@ -35,8 +35,8 @@ class XBT_PUBLIC Mutex {
   explicit Mutex(simgrid::kernel::activity::MutexImpl * mutex) : mutex_(mutex) {}
 
   /* refcounting */
-  friend void intrusive_ptr_add_ref(Mutex* mutex);
-  friend void intrusive_ptr_release(Mutex* mutex);
+  friend XBT_PUBLIC void intrusive_ptr_add_ref(Mutex* mutex);
+  friend XBT_PUBLIC void intrusive_ptr_release(Mutex* mutex);
 
 public:
   using Ptr = boost::intrusive_ptr<Mutex>;
diff --git a/include/simgrid/s4u/forward.hpp b/include/simgrid/s4u/forward.hpp
index 09e6af5db5..627cb196c3 100644
--- a/include/simgrid/s4u/forward.hpp
+++ b/include/simgrid/s4u/forward.hpp
@@ -36,6 +36,8 @@ using MailboxPtr = boost::intrusive_ptr<Mailbox>;
 XBT_PUBLIC void intrusive_ptr_release(Mailbox* m);
 XBT_PUBLIC void intrusive_ptr_add_ref(Mailbox* m);
 class Mutex;
+XBT_PUBLIC void intrusive_ptr_release(Mutex* m);
+XBT_PUBLIC void intrusive_ptr_add_ref(Mutex* m);
 class NetZone;
 class VirtualMachine;
 class File;
-- 
2.20.1