1 files changed, 86 insertions, 0 deletions
diff --git a/src/corelib/global/qversiontagging.cpp b/src/corelib/global/qversiontagging.cpp
new file mode 100644
index 0000000000..e7524f39ef
--- /dev/null
+++ b/src/corelib/global/qversiontagging.cpp
@@ -0,0 +1,86 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Intel Corporation.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtCore module 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qglobal.h"
+
+#define SYM QT_MANGLE_NAMESPACE(qt_version_tag)
+//#define SSYM QT_STRINGIFY(SYM)
+
+#if defined(Q_CC_GNU) && defined(Q_OF_ELF) && !defined(Q_OS_ANDROID)
+#  define make_versioned_symbol2(sym, m, n, separator)     \
+    Q_CORE_EXPORT extern const char sym ## _ ## m ## _ ## n = 0; \
+    asm(".symver " QT_STRINGIFY(sym) "_" QT_STRINGIFY(m) "_" QT_STRINGIFY(n) ", " \
+        QT_STRINGIFY(sym) separator "Qt_" QT_STRINGIFY(m) "." QT_STRINGIFY(n))
+#else
+#  define make_versioned_symbol2(sym, m, n, separator)
+#endif
+#define make_versioned_symbol(sym, m, n, separator)    make_versioned_symbol2(sym, m, n, separator)
+
+extern "C" {
+#if QT_VERSION_MINOR > 0
+make_versioned_symbol(SYM, QT_VERSION_MAJOR, 0, "@");
+#endif
+#if QT_VERSION_MINOR > 1
+make_versioned_symbol(SYM, QT_VERSION_MAJOR, 1, "@");
+#endif
+#if QT_VERSION_MINOR > 2
+make_versioned_symbol(SYM, QT_VERSION_MAJOR, 2, "@");
+#endif
+#if QT_VERSION_MINOR > 3
+make_versioned_symbol(SYM, QT_VERSION_MAJOR, 3, "@");
+#endif
+#if QT_VERSION_MINOR > 4
+make_versioned_symbol(SYM, QT_VERSION_MAJOR, 4, "@");
+#endif
+#if QT_VERSION_MINOR > 5
+make_versioned_symbol(SYM, QT_VERSION_MAJOR, 5, "@");
+#endif
+#if QT_VERSION_MINOR > 6
+make_versioned_symbol(SYM, QT_VERSION_MAJOR, 6, "@");
+#endif
+#if QT_VERSION_MINOR > 7
+make_versioned_symbol(SYM, QT_VERSION_MAJOR, 7, "@");
+#endif
+#if QT_VERSION_MINOR > 8
+make_versioned_symbol(SYM, QT_VERSION_MAJOR, 8, "@");
+#endif
+#if QT_VERSION_MINOR > 9
+make_versioned_symbol(SYM, QT_VERSION_MAJOR, 9, "@");
+#endif
+#if QT_VERSION_MINOR > 10
+#  error "Please update this file with more Qt versions."
+#endif
+
+// the default version:
+make_versioned_symbol(SYM, QT_VERSION_MAJOR, QT_VERSION_MINOR, "@@");
+}