1 files changed, 11 insertions, 0 deletions
diff --git a/src/testlib/qbenchmarkvalgrind.cpp b/src/testlib/qbenchmarkvalgrind.cpp
index 4b260e8..22c7c37 100644
--- a/src/testlib/qbenchmarkvalgrind.cpp
+++ b/src/testlib/qbenchmarkvalgrind.cpp
@@ -225,6 +225,12 @@ bool QBenchmarkValgrindUtils::runCallgrindSubProcess(const QStringList &origAppA
     return finishedOk;
 }
 
+#if defined(Q_CC_GNU) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 406)
+// the callgrind macros below generate warnings
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wunused-but-set-variable"
+#endif
+
 void QBenchmarkCallgrindMeasurer::start()
 {
     CALLGRIND_ZERO_STATS;
@@ -237,6 +243,11 @@ qint64 QBenchmarkCallgrindMeasurer::checkpoint()
     return result;
 }
 
+#if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 406)
+// the callgrind macros above generate warnings
+# pragma GCC diagnostic pop
+#endif
+
 qint64 QBenchmarkCallgrindMeasurer::stop()
 {	
     return checkpoint();