From 3d5696b64425bb3c83274d23fb1c8a2d2c3152e5 Mon Sep 17 00:00:00 2001
From: Michael Davidsaver <mdavidsaver@gmail.com>
Date: Wed, 28 Jun 2017 12:38:35 +0200
Subject: [PATCH] compat

---
 src/client/pv/monitor.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/client/pv/monitor.h b/src/client/pv/monitor.h
index b25c391..9474c42 100644
--- a/src/client/pv/monitor.h
+++ b/src/client/pv/monitor.h
@@ -156,7 +156,14 @@ public:
         next();
         return *this;
     }
+#if __cplusplus>=201103L
     inline explicit operator bool() const { return elem.get(); }
+#else
+private:
+    typedef const Monitor* const * hidden_bool_type;
+public:
+    operator hidden_bool_type() const { return elem.get() ? &mon : 0; }
+#endif
     inline MonitorElement* operator->() { return elem.get(); }
     inline MonitorElement& operator*() { return *elem; }
     inline MonitorElement* get() { return elem.get(); }