Mine

Index: owutil/util/src/Logger.cpp
===================================================================
--- owutil/util/src/Logger.cpp  (révision 9608)
+++ owutil/util/src/Logger.cpp  (copie de travail)
@@ -113,7 +113,15 @@

        _file << tmp << std::endl;

+#ifdef NDEBUG
+       // Release mode, log debug output to log file, but not to stderr
+       if (level > Debug) {
+               std::cerr << tmp << std::endl;
+       }
+#else
+       // Debug mode, log all output to stderr
        std::cerr << tmp << std::endl;
+#endif

        messageAddedEvent(tmp);
 }