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<p>Below are the files that I have in my fftw3 lib folder:<br>
</p>
<p><br>
</p>
<p>username@computername:~$ ls ~/fftw-3.3.10/lib<br>
cmake libfftw3.a libfftw3.la <font color="#0000ff">libfftw3_mpi.a</font>
libfftw3_mpi.la pkgconfig<br>
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<p><br>
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<p>The <font color="#008000">-lfftw3_mpi</font> should tell the
compiler to use the <font color="#0000ff">libfftw3_mpi.a</font>.</p>
<p><br>
</p>
<p>Maybe that file is missing in fftw3 lib folder (ls
/home/pablo/Documentos/Soporte/Software/fftw3/lib).</p>
<p><br>
</p>
<p>Kind Regards,</p>
<p>Gavin</p>
<p>WIEN2k user<br>
</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 5/30/2025 1:49 PM, delamora wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CH2PR06MB66776B47A0EFC2C1288049F2CB61A@CH2PR06MB6677.namprd06.prod.outlook.com">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<style type="text/css" style="display:none;">P {margin-top:0;margin-bottom:0;}</style>
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style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Dear WIEN2k,</div>
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Running</div>
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./siteconfig</div>
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I got this error message;</div>
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--------------------</div>
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No OMP parallel version of your FFTW library could be found.
Installing</div>
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style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
it would improve the performance of some programs (lapw0,
lapw2, 3ddens).</div>
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<br>
</div>
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Your FFTW_OPT are: -DFFTW3
-I/home/pablo/Documentos/Soporte/Software/fftw3/include </div>
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Your FFTW_LIBS are:
-L/home/pablo/Documentos/Soporte/Software/fftw3/lib -lfftw3 </div>
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Your FFTW_PLIBS are: <font color="#008000">-lfftw3_mpi</font></div>
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<br>
</div>
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These options derive from your chosen settings:</div>
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</div>
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FFTWROOT:
/home/pablo/Documentos/Soporte/Software/fftw3/</div>
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FFTW_VERSION: FFTW3</div>
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FFTW_LIB: lib</div>
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FFTW_LIBNAME: fftw3</div>
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Is this correct? (Y,n): Y</div>
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<br>
</div>
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<br>
</div>
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no se puede encontrar <font color="#008000">-lfftw3_mpi</font>:
No existe el archivo o el directorio</div>
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=> <font color="#008000">-lfftw3_mpi</font> cannot be
found: this file or directory does not exist</div>
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------------------</div>
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<br>
</div>
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Saludos</div>
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<br>
</div>
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Pablo</div>
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