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    <p>Hi Saber,</p>
    <p>Thanks for the hint. And now that you write about it, I also
      found the same hint in the build instructions  (<a
        href="https://github.com/qgis/QGIS/blob/master/INSTALL">https://github.com/qgis/QGIS/blob/master/INSTALL</a>),
      section 3.8.1 - should RTFM ...<br>
    </p>
    <p>Seems to work.<br>
    </p>
    <p>Many thanks,</p>
    <p>Andreas<br>
    </p>
    <div class="moz-cite-prefix">Am 14.05.20 um 13:46 schrieb Saber
      Razmjooei:<br>
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    <blockquote type="cite"
cite="mid:CAH=WbRBgULU0H-bqEf654Whn7ToigwX_th_d51gwD0hGaP7JTQ@mail.gmail.com">
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        <div dir="ltr">Hi Andreas,
          <div><br>
          </div>
          <div>Could you try (change /usr/local/src/QGIS_master with
            your path to checked out repo):</div>
          <div><span style="font-family:monospace"><span
                style="color:rgb(0,0,0)">cmake ..
                -DCMAKE_PREFIX_PATH=/usr/local/src/QGIS_master/external/qt</span><span
                style="font-weight:bold;color:rgb(255,84,84)">3d</span><span
                style="color:rgb(0,0,0)">extra-headers/cmake
                -DQT5_3DEXTRA_INCLUDE_DIR=/usr/local/src/QGIS_master/external/qt</span><span
                style="font-weight:bold;color:rgb(255,84,84)">3d</span><span
                style="color:rgb(0,0,0)">extra-headers -DQT5_3</span><br>
              DEXTRA_LIBRARY=/usr/lib/x86_64-linux-gnu/libQt53DExtras.so
              -G Ninja  -DWITH_3D=TRUE <br>
            </span></div>
          <div><span style="font-family:monospace"><br>
            </span></div>
          <div><span style="font-family:monospace">Kind regards</span></div>
          <div><span style="font-family:monospace">Saber</span></div>
          <div><span style="font-family:monospace"><br>
            </span></div>
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        <br>
        <div class="gmail_quote">
          <div dir="ltr" class="gmail_attr">On Thu, 14 May 2020 at
            12:41, Andreas Neumann <<a
              href="mailto:a.neumann@carto.net" moz-do-not-send="true">a.neumann@carto.net</a>>
            wrote:<br>
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          <blockquote class="gmail_quote" style="margin:0px 0px 0px
            0.8ex;border-left:1px solid
            rgb(204,204,204);padding-left:1ex">Hi,<br>
            <br>
            After upgrading from Ubuntu 18.04  to 20.04 I have now
            troubles <br>
            compiling QGIS with 3D.<br>
            <br>
            during "ccmake -GNinja .." I get the following error
            message:<br>
            <br>
            -------------<br>
            <br>
            CMake Error at CMakeLists.txt:427 (FIND_PACKAGE):<br>
                By not providing "FindQt53DExtras.cmake" in
            CMAKE_MODULE_PATH this <br>
            project<br>
                has asked CMake to find a package configuration file
            provided by<br>
                "Qt53DExtras", but CMake did not find one.<br>
            <br>
                Could not find a package configuration file provided by
            <br>
            "Qt53DExtras" with<br>
                any of the following names:<br>
            <br>
                  Qt53DExtrasConfig.cmake<br>
                  qt53dextras-config.cmake<br>
            <br>
                Add the installation prefix of "Qt53DExtras" to
            CMAKE_PREFIX_PATH or set<br>
                "Qt53DExtras_DIR" to a directory containing one of the
            above files.  If<br>
                "Qt53DExtras" provides a separate development package or
            SDK, be sure it<br>
                has been installed.<br>
            <br>
            ------------------<br>
            <br>
            I checked my packages and the package "libqt53dextras5" is
            installed, <br>
            but it doesn't contain the requested file
            "Qt53DExtrasConfig.cmake".<br>
            <br>
            Does someone have an idea what package I might be missing or
            what config?<br>
            <br>
            Thanks,<br>
            <br>
            Andreas<br>
            <br>
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        -- <br>
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                          <div dir="ltr">Saber Razmjooei<br>
                          </div>
                          <div><a
                              href="http://www.lutraconsulting.co.uk"
                              target="_blank" moz-do-not-send="true">www.lutraconsulting.co.uk</a><br>
                            <br>
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