Index: ext/libicpf/src/dmutex.h
===================================================================
diff -u -rd4269744a04d36c8a8146a84bc27118031fa42ac -r0ec0dc6be33bf80d16d27555d107509810a93462
--- ext/libicpf/src/dmutex.h	(.../dmutex.h)	(revision d4269744a04d36c8a8146a84bc27118031fa42ac)
+++ ext/libicpf/src/dmutex.h	(.../dmutex.h)	(revision 0ec0dc6be33bf80d16d27555d107509810a93462)
@@ -29,6 +29,8 @@
 #include "dumpctx.h"
 #include "mutex.h"
 
+#ifdef ENABLE_MUTEX_DEBUGGING
+
 BEGIN_ICPF_NAMESPACE
 
 /** \brief Class provides the locking and unlocking capabilities for use with threads.
@@ -39,6 +41,8 @@
  *  This class is very similar to the mutex class, with the difference that it allows logging
  *  of the locking/unlocking allowing easier debugging of the mutexes. Interface is almost
  *  out-of-the-box replaceable with standard mutex class.
+ *  To use this class properly - the icpf::d_mutex::m_pContext static member has to be initialized
+ *  to a pointer to a dumpctx class that will receive notifications.
  */
 class LIBICPF_API d_mutex : public mutex
 {
@@ -68,3 +72,5 @@
 END_ICPF_NAMESPACE
 
 #endif
+
+#endif