diff -r 000000000000 -r 6474c204b198 dom/xslt/base/txLog.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/xslt/base/txLog.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,33 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef txLog_h__
+#define txLog_h__
+
+#include "prlog.h"
+
+#ifdef PR_LOGGING
+class txLog
+{
+public:
+    static PRLogModuleInfo *xpath;
+    static PRLogModuleInfo *xslt;
+};
+
+#define TX_LG_IMPL \
+    PRLogModuleInfo * txLog::xpath = 0; \
+    PRLogModuleInfo * txLog::xslt = 0;
+
+#define TX_LG_CREATE \
+    txLog::xpath = PR_NewLogModule("xpath"); \
+    txLog::xslt  = PR_NewLogModule("xslt")
+
+#else
+
+#define TX_LG_IMPL
+#define TX_LG_CREATE
+
+#endif
+#endif