Merge remote-tracking branch 'origin/5.6' into 5.7

This change partially reverts 1bfc7f68 about QT_HAS_BUILTIN define
and undef in src/corelib/tools/qsimd_p.h.

This change is also squashed with "Fall back to c++11 standard
compiler flag for host builds" which is done by Peter Seiderer.

Conflicts:
	mkspecs/features/default_post.prf
	src/3rdparty/sqlite/0001-Fixing-the-SQLite3-build-for-WEC2013-again.patch
	src/3rdparty/sqlite/sqlite3.c
	src/corelib/tools/qsimd_p.h
	src/gui/kernel/qevent.cpp
	src/gui/kernel/qwindowsysteminterface.cpp
	src/gui/kernel/qwindowsysteminterface_p.h
	src/plugins/bearer/blackberry/blackberry.pro
	src/plugins/platforms/cocoa/qcocoasystemsettings.mm
	src/plugins/platformthemes/gtk2/gtk2.pro
	src/plugins/styles/bb10style/bb10style.pro
	src/sql/drivers/sqlite2/qsql_sqlite2.cpp
	tools/configure/configureapp.cpp

Task-number: QTBUG-51644
Done-with: Peter Seiderer <ps.report@gmx.net>
Change-Id: I6100d6ace31b2e8d41a95f0b5d5ebf8f1fd88b44

2 files changed, 58 insertions, 1 deletions

diff --git a/src/platformheaders/xcbfunctions/qxcbscreenfunctions.h b/src/platformheaders/xcbfunctions/qxcbscreenfunctions.h
new file mode 100644
index 0000000000..7773c275b9
--- /dev/null
+++ b/src/platformheaders/xcbfunctions/qxcbscreenfunctions.h
@@ -0,0 +1,56 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QXCBSCREENFUNCTIONS_H
+#define QXCBSCREENFUNCTIONS_H
+
+#include <QtPlatformHeaders/QPlatformHeaderHelper>
+
+QT_BEGIN_NAMESPACE
+
+class QScreen;
+
+class QXcbScreenFunctions
+{
+public:
+    typedef bool (*VirtualDesktopNumber)(const QScreen *screen);
+    static const QByteArray virtualDesktopNumberIdentifier() { return QByteArrayLiteral("XcbVirtualDesktopNumber"); }
+    static int virtualDesktopNumber(const QScreen *screen)
+    {
+        return QPlatformHeaderHelper::callPlatformFunction<int, VirtualDesktopNumber, const QScreen *>(virtualDesktopNumberIdentifier(), screen);
+    }
+};
+
+QT_END_NAMESPACE
+
+#endif  /*QXCBSCREENFUNCTIONS_H*/
diff --git a/src/platformheaders/xcbfunctions/xcbfunctions.pri b/src/platformheaders/xcbfunctions/xcbfunctions.pri
index 7f611d80bd..3f2bcb2b34 100644
--- a/src/platformheaders/xcbfunctions/xcbfunctions.pri
+++ b/src/platformheaders/xcbfunctions/xcbfunctions.pri
@@ -1,3 +1,4 @@
 HEADERS += \
     $$PWD/qxcbwindowfunctions.h \
-    $$PWD/qxcbintegrationfunctions.h
+    $$PWD/qxcbintegrationfunctions.h \
+    $$PWD/qxcbscreenfunctions.h