1 files changed, 54 insertions, 0 deletions
diff --git a/installerbuilder/libinstaller/kdtools/KDToolsCore/kdtoolsglobal.cpp b/installerbuilder/libinstaller/kdtools/KDToolsCore/kdtoolsglobal.cpp
new file mode 100644
index 000000000..f41d7974e
--- /dev/null
+++ b/installerbuilder/libinstaller/kdtools/KDToolsCore/kdtoolsglobal.cpp
@@ -0,0 +1,54 @@
+/****************************************************************************
+** Copyright (C) 2001-2010 Klaralvdalens Datakonsult AB.  All rights reserved.
+**
+** This file is part of the KD Tools library.
+**
+** Licensees holding valid commercial KD Tools licenses may use this file in
+** accordance with the KD Tools Commercial License Agreement provided with
+** the Software.
+**
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU Lesser General Public License version 2 and version 3 as published by the
+** Free Software Foundation and appearing in the file LICENSE.LGPL included.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** Contact info@kdab.com if any conditions of this licensing are not
+** clear to you.
+**
+**********************************************************************/
+
+#include "kdtoolsglobal.h"
+
+#include <QByteArray>
+
+#include <algorithm>
+
+namespace {
+    struct Version {
+	unsigned char v[3];
+    };
+
+    static inline bool operator<( const Version & lhs, const Version & rhs ) {
+	return std::lexicographical_compare( lhs.v, lhs.v + 3, rhs.v, rhs.v + 3 );
+    }
+    static inline bool operator==( const Version & lhs, const Version & rhs ) {
+	return std::equal( lhs.v, lhs.v + 3, rhs.v );
+    }
+    KDTOOLS_MAKE_RELATION_OPERATORS( Version, static inline )
+}
+
+static Version kdParseQtVersion( const char * const version ) {
+    if ( !version || qstrlen( version ) < 5 || version[1] != '.' || version[3] != '.' || ( version[5] != 0 && version[5] != '.' && version[5] != '-' ) )
+	return Version(); // parse error
+    const Version result = { { version[0] - '0', version[2] - '0', version[4] - '0' } };
+    return result;
+}
+
+bool _kdCheckQtVersion_impl( int major, int minor, int patchlevel ) {
+    static const Version actual = kdParseQtVersion( qVersion() ); // do this only once each run...
+    const Version requested = { { major, minor, patchlevel } };
+    return actual >= requested;
+}