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    <p>Hi Andrew,</p>
    <p>openmp is enabled when available since
<a class="moz-txt-link-freetext" href="https://github.com/OSGeo/gdal/commit/2a3f06b90f2d68da446451a44090aa38fd6f4b5a#diff-c6d7b93ff4bf010c2c6218c9329af9afb9a00aab7871175046a9b50f26826452R435">https://github.com/OSGeo/gdal/commit/2a3f06b90f2d68da446451a44090aa38fd6f4b5a#diff-c6d7b93ff4bf010c2c6218c9329af9afb9a00aab7871175046a9b50f26826452R435</a> 
      .  What is your clang version ?  That warning are not shown on our
      clang based CI configurations up to now.</p>
    <p>Even</p>
    <div class="moz-cite-prefix">Le 05/01/2026 à 18:25, Andrew Bell via
      gdal-dev a écrit :<br>
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    <blockquote type="cite"
cite="mid:CACJ51z1T06xGRCYaXDcTQ6jpJXxA=C+TV41i1Rq2=hqKn-ZHCw@mail.gmail.com">
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        <div>Hi,<br>
          <br>
          I updated to the latest master and am now seeing the following
          warning during compilation:<br>
          <br>
          [156/1486] Building CXX object
          alg/CMakeFiles/alg.dir/thinplatespline.cpp.o<br>
          clang: warning: argument unused during compilation: '-Xclang
          -fopenmp' [-Wunused-command-line-argument]<br>
          <br>
          If anyone has some info on this, please let me know.<br>
          <br>
        </div>
        <span class="gmail_signature_prefix">-- </span><br>
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          data-smartmail="gmail_signature">
          <div dir="ltr">
            <div>Andrew Bell</div>
            <a href="mailto:andrew.bell.ia@gmail.com" target="_blank"
              moz-do-not-send="true" class="moz-txt-link-freetext">andrew.bell.ia@gmail.com</a></div>
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      <pre wrap="" class="moz-quote-pre">_______________________________________________
gdal-dev mailing list
<a class="moz-txt-link-abbreviated" href="mailto:gdal-dev@lists.osgeo.org">gdal-dev@lists.osgeo.org</a>
<a class="moz-txt-link-freetext" href="https://lists.osgeo.org/mailman/listinfo/gdal-dev">https://lists.osgeo.org/mailman/listinfo/gdal-dev</a>
</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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