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    See also<br>
    <br>
<a class="moz-txt-link-freetext" href="https://github.com/qgis/QGIS/commit/8cec2c935f5541a865d0bf91140ca5b2d25b17cb#commitcomment-13433347">https://github.com/qgis/QGIS/commit/8cec2c935f5541a865d0bf91140ca5b2d25b17cb#commitcomment-13433347</a><br>
    <br>
    FindGEOS.cmake changed in that commit, introducing the new variable
    GEOS_CPP_LIBRARY. It looks like a simple reconfigure of an existing
    build directory is insufficient for cmake to pick up that change,
    and people have reported that it is necessary to start from an empty
    build directory for the build to succeed, perhaps removing the
    CMakeCache might also be sufficient. Anyone with enough low-level
    knowledge of cmake to explain why the reconfiguring does not pick up
    the changes in FindGEOS.cmake ...?<br>
    <br>
    Sandro<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 25.09.2015 12:18, Denis Rouzaud
      wrote:<br>
    </div>
    <blockquote
cite="mid:CAMtsY+b718nnHQME=9AcyWcF2HsU7N2bmHiDbhBgnivSYoiByw@mail.gmail.com"
      type="cite">
      <p dir="ltr">It's because we're entering feature freeze, nothing
        special. <br>
        -- Sorry --</p>
      <br>
      <div class="gmail_quote">
        <div dir="ltr">Le ven. 25 sept. 2015 11:49 AM, Stefan Ziegler
          <<a moz-do-not-send="true"
            href="mailto:stefan.ziegler.de@gmail.com">stefan.ziegler.de@gmail.com</a>>
          a écrit :<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex">
          <div dir="ltr">
            <div>
              <div>
                <div>
                  <div>Hi <br>
                    <br>
                  </div>
                  I cannot compile QGIS master:<br>
                  <br>
                  [  0%] Built target version<br>
                  Linking CXX shared library
                  ../../output/lib/libqgis_core.so<br>
                  CMakeFiles/qgis_core.dir/geosextra/geos_c_extra.cpp.o:
                  In function `GEOSPrecisionModel_create':<br>
                  geos_c_extra.cpp:(.text+0x1b): undefined reference to
`geos::geom::PrecisionModel::PrecisionModel(geos::geom::PrecisionModel::Type)'<br>
                  CMakeFiles/qgis_core.dir/geosextra/geos_c_extra.cpp.o:
                  In function `GEOSPrecisionModel_createFixed':<br>
                  geos_c_extra.cpp:(.text+0x63): undefined reference to
                  `geos::geom::PrecisionModel::PrecisionModel(double)'<br>
                  CMakeFiles/qgis_core.dir/geosextra/geos_c_extra.cpp.o:
                  In function `GEOSPrecisionModel_destroy':<br>
                  geos_c_extra.cpp:(.text+0x9a): undefined reference to
                  `geos::geom::PrecisionModel::~PrecisionModel()'<br>
                  CMakeFiles/qgis_core.dir/geosextra/geos_c_extra.cpp.o:
                  In function `GEOSGeometryPrecisionReducer_reduce':<br>
                  geos_c_extra.cpp:(.text+0x101): undefined reference to
                  `geos::precision::GeometryPrecisionReducer::reduce(geos::geom::Geometry
                  const&)'<br>
                  collect2: error: ld returned 1 exit status<br>
                  make[2]: *** [output/lib/libqgis_core.so.2.11.0] Error
                  1<br>
                  make[1]: *** [src/core/CMakeFiles/qgis_core.dir/all]
                  Error 2<br>
                  make: *** [all] Error 2<br>
                  <br>
                </div>
                I installed latest geos from trunk.<br>
                <br>
              </div>
              regards <br>
            </div>
            Stefan <br>
            <div>
              <div>
                <div><br>
                </div>
              </div>
            </div>
          </div>
          _______________________________________________<br>
          Qgis-developer mailing list<br>
          <a moz-do-not-send="true"
            href="mailto:Qgis-developer@lists.osgeo.org" target="_blank">Qgis-developer@lists.osgeo.org</a><br>
          <a moz-do-not-send="true"
            href="http://lists.osgeo.org/mailman/listinfo/qgis-developer"
            rel="noreferrer" target="_blank">http://lists.osgeo.org/mailman/listinfo/qgis-developer</a></blockquote>
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      <pre wrap="">_______________________________________________
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