From 69184952c01ce81b18d5edd15f4c4794bc15d77b Mon Sep 17 00:00:00 2001
From: Guilherme Amadio <amadio@cern.ch>
Date: Wed, 30 Aug 2017 10:20:36 +0200
Subject: [PATCH] Supress Vc warnings when using Clang compiler
Suppressing -Wall is not enough to avoid -Wconditional-uninitialized
warnings from Vc with Clang, so we need to suppress this one explicitly.
---
math/mathcore/inc/Math/Types.h | 10 ++++++++++
test/testVc.cxx | 9 +++++++++
2 files changed, 19 insertions(+)
diff --git a/math/mathcore/inc/Math/Types.h b/math/mathcore/inc/Math/Types.h
index b181884f0df..53826bd2af8 100644
--- a/math/mathcore/inc/Math/Types.h
+++ b/math/mathcore/inc/Math/Types.h
@@ -6,6 +6,12 @@
#ifdef R__HAS_VECCORE
#if defined(R__HAS_VC)
+
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wconditional-uninitialized"
+#endif
+
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wall"
#pragma GCC diagnostic ignored "-Wunused-parameter"
@@ -13,6 +19,10 @@
#pragma GCC diagnostic pop
#endif
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
#include <VecCore/VecCore>
namespace ROOT {
diff --git a/test/testVc.cxx b/test/testVc.cxx
index 1ae553dd7f4..3b8886a7640 100644
--- a/test/testVc.cxx
+++ b/test/testVc.cxx
@@ -21,6 +21,11 @@
*/
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wconditional-uninitialized"
+#endif
+
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wall"
#pragma GCC diagnostic ignored "-Wunused-parameter"
@@ -28,6 +33,10 @@
#include <Vc/IO>
#pragma GCC diagnostic pop
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
#include <iostream>
#include <iomanip>
--
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