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    <p>Eric,</p>
    <p>What is the output of "grep -i GEOS CMakeCache.txt" ?<br>
    </p>
    <p>Also retry with   cmake .. "-UGEOS*"  to make sure any potential
      old GEOS variables are reset<br>
    </p>
    <p>Even<br>
    </p>
    <div class="moz-cite-prefix">Le 16/01/2024 à 17:20, Eric Patton via
      gdal-dev a écrit :<br>
    </div>
    <blockquote type="cite"
cite="mid:6AdhA-1ymaDfPzWfC6MPavMd76ojJGF17z3wzQBuXg963Hfna6SDiqP0OwdQHmQKtDjWS5PwxW8H2hhFAAoWqMbRWd76jZNYYvcvVbSOsHU=@pm.me">
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      <div style="font-family: Arial, sans-serif; font-size: 14px;"><span
          style="line-height:1.5">I am running into an error while
          building gdal 3.8.3 from source - it seems GEOS (version
          3.12.1) is not being found during the build, despite that fact
          it was completely installed from source with no errors. I'm
          using LInux Mint 20.3.</span>
        <div style="line-height:1.5"><span><br>
          </span></div>
        <div style="line-height:1.5"><span># GDAL build commands used:</span>
          <div><br>
          </div>
          <div><span>$ cmake -DCMAKE_BUILD_TYPE=Release ..</span></div>
          <div><span>(No obvious errors in output, GEOS seems to be
              located):</span></div>
          <div><br>
          </div>
          <div><span>-- The following RECOMMENDED packages have been
              found:</span></div>
          <div><span>* GEOS</span></div>
          <div><span>   Geometry Engine - Open Source (GDAL core
              dependency)</span></div>
          <div><br>
          </div>
          <div><span>$ cmake --build .</span></div>
          <div><span><snip></span></div>
          <div><span>[ 95%] Built target gcore_mdreader</span></div>
          <div><span>CMakeFiles/GDAL.dir/build.make:2687: *** target
              pattern contains no '%'.  Stop.</span></div>
          <div><span>make[1]: *** [CMakeFiles/Makefile2:5005:
              CMakeFiles/GDAL.dir/all] Error 2</span></div>
          <div><span>make: *** [Makefile:141: all] Error 2</span></div>
          <div><br>
          </div>
          <div><span># Line 2687 of
              /usr/local/gdal-3.8.3/build/CMakefiles/GDAL.dir:</span></div>
          <div><span>libgdal.so.34.3.8.3: GEOS::geos_c-NOTFOUND</span></div>
          <div><br>
          </div>
          <div># But that's strange:</div>
          <div><span>$ which geos-config</span></div>
          <div><span>/usr/local/bin/geos-config</span></div>
          <div><br>
          </div>
          <div><span>$ geos-config --version</span></div>
          <div><span>3.12.1</span></div>
          <div><br>
          </div>
          <div><span># Location of GEOS include dir:</span></div>
          <div><br>
          </div>
          <div><span>$ cd /usr</span></div>
          <div><span>$ find . -name "geos_c.h"</span></div>
          <div><br>
          </div>
          <div><span>./local/geos-3.12.1/_build/capi/geos_c.h</span></div>
          <div><span>./local/include/geos_c.h</span></div>
          <div><br>
          </div>
          <div><span># Location of GEOS_LIBRARY:</span></div>
          <div><br>
          </div>
          <div><span>$ cd /usr</span></div>
          <div><span>$ find . -name "*libgeos_c*"</span></div>
          <div><br>
          </div>
          <div><span>./local/lib/libgeos_c.so.1</span></div>
          <div><span>./local/lib/libgeos_c.so.1.18.1</span></div>
          <div><span>./local/lib/libgeos_c.so</span></div>
          <div><span>./local/geos-3.12.1/_build/lib/libgeos_c.so.1</span></div>
          <div><span>./local/geos-3.12.1/_build/lib/libgeos_c.so.1.18.1</span></div>
          <div><span>./local/geos-3.12.1/_build/lib/libgeos_c.so</span></div>
          <div><br>
          </div>
          <div>$ uname -a:</div>
          <div><br>
          </div>
          <div><span>Linux FieldBathy 5.15.0-91-generic
              #101~20.04.1-Ubuntu SMP Thu Nov 16 14:22:28 UTC 2023
              x86_64 x86_64 x86_64 GNU/Linux</span></div>
          <span></span><br>
        </div>
        <div style="line-height:1.5">Please let me know if there's
          anything else I can post to help diagnose the error, thanks.</div>
        <div style="line-height:1.5"><br>
        </div>
        <div style="line-height:1.5">--</div>
        <div style="line-height:1.5">
          <div><span>Eric Patton</span></div>
        </div>
      </div>
      <br>
      <fieldset class="moz-mime-attachment-header"></fieldset>
      <pre class="moz-quote-pre" wrap="">_______________________________________________
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</pre>
    </blockquote>
    <pre class="moz-signature" cols="72">-- 
<a class="moz-txt-link-freetext" href="http://www.spatialys.com">http://www.spatialys.com</a>
My software is free, but my time generally not.</pre>
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