Qt solutions have been re-licensed, can I use the src directly now



  • My commercial application uses a Qt Solutions component. Last year it was available under LGPL license, so I was forced to use the component in the form of a shared library. I found this post "http://qt.digia.com/Product/Qt-Add-Ons/Qt-Solutions-Archive/":http://qt.digia.com/Product/Qt-Add-Ons/Qt-Solutions-Archive/ as per which Qt solutions have been re-licensed. So, can I directly use the src code in my application instead of creating a shared library, obviously including the following copyright notice in my app:


    This sofware uses Qt Solutions component which is covered by the following license:

    Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).

    Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

    • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

    • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

    • Neither the name of Digia Plc and its Subsidiary(-ies) nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

    ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.



  • Moderators

    Interesting, thanks for sharing the information.

    However, I am wondering, if the copyright claim of Digia as you listed is correct. The page says:
    [quote]
    Nokia is no longer actively engaged in further developing these solutions, but limited maintenance and bug fixing will be done when deemed necessary.
    [/quote]
    Nokia may still hold the copyright or are you aware of another statement somewhere?



  • All the src files contain the above mentioned license.
    "Source...":http://qt.gitorious.org/qt-solutions/qt-solutions/blobs/master/qtsingleapplication/src/qtlockedfile.cpp


  • Moderators

    OK, thanks again. That makes it clear. I was not checking the source files. ;-)


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