source: flex_extract.git/Documentation/html/Support/faq.html

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66                7.1.2
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90              <p class="caption"><span class="caption-text">Table of Contents:</span></p>
91<ul class="current">
92<li class="toctree-l1"><a class="reference internal" href="../ecmwf_data.html">ECMWF Data</a></li>
93<li class="toctree-l1"><a class="reference internal" href="../installation.html">Installation</a></li>
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96<li class="toctree-l1"><a class="reference internal" href="../evaluation.html">Evaluation</a></li>
97<li class="toctree-l1"><a class="reference internal" href="../dev_guide.html">Developer Guide</a></li>
98<li class="toctree-l1"><a class="reference internal" href="../changelog.html">Changelog</a></li>
99<li class="toctree-l1"><a class="reference internal" href="../support.html">Support</a></li>
100<li class="toctree-l1 current"><a class="current reference internal" href="#">FAQ - Frequently asked questions</a><ul>
101<li class="toctree-l2"><a class="reference internal" href="#what-can-i-do-if-i-can-t-install-the-third-party-libraries-from-distribution-packages">What can I do if I can’t install the third-party libraries from distribution packages?</a><ul class="simple">
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172<h1>FAQ - Frequently asked questions<a class="headerlink" href="#faq-frequently-asked-questions" title="Permalink to this headline"></a></h1>
173<div class="contents local topic" id="contents">
174<ul class="simple">
175<li><p><a class="reference internal" href="#what-can-i-do-if-i-can-t-install-the-third-party-libraries-from-distribution-packages" id="id1">What can I do if I can’t install the third-party libraries from distribution packages?</a></p></li>
176</ul>
177</div>
178<div class="section" id="what-can-i-do-if-i-can-t-install-the-third-party-libraries-from-distribution-packages">
179<h2><a class="toc-backref" href="#id1">What can I do if I can’t install the third-party libraries from distribution packages?</a><a class="headerlink" href="#what-can-i-do-if-i-can-t-install-the-third-party-libraries-from-distribution-packages" title="Permalink to this headline"></a></h2>
180<p>This can be the case if the user does not have admin rights and the sysadmins would not want to provide the libraries.
181In this case, a workaround is to install the necessary libraries from source into a user directory, following these steps:</p>
182<dl class="simple">
183<dt>Steps to install libraries from source:</dt><dd><ol class="arabic simple">
184<li><p><a class="reference external" href="https://software.ecmwf.int/wiki/display/EMOS/Emoslib">Read Emoslib installation instructions</a></p></li>
185<li><p><a class="reference external" href="https://software.ecmwf.int/wiki/display/SUP/2015/05/11/Building+ECMWF+software+with+gfortran">Read ECMWF blog about gfortran</a></p></li>
186<li><p><a class="reference external" href="http://www.fftw.org">Install FFTW</a></p></li>
187<li><p><a class="reference external" href="https://software.ecmwf.int/wiki/display/EMOS/Emoslib">Install EMOSLIB</a> (execute <code class="docutils literal notranslate"><span class="pre">make</span></code> two times! One time without any options, and another time with the single-precision option.)</p></li>
188<li><p><a class="reference external" href="https://software.ecmwf.int/wiki/display/ECC">Install ECCODES</a></p></li>
189<li><p>Register for MARS access (<a class="reference internal" href="../installation.html#ref-registration"><span class="std std-ref">Registration at ECMWF</span></a>)</p></li>
190<li><p>Install Web API’s <a class="reference external" href="https://cds.climate.copernicus.eu/api-how-to">CDS API</a> and <a class="reference external" href="https://confluence.ecmwf.int/display/WEBAPI/ECMWF+Web+API+Home">ECMWF Web API</a></p></li>
191<li><p>Check whether LD_LIBRARY_PATH environment variable contains the paths to all the libs</p></li>
192<li><p>Check available Python packages (e.g. <code class="docutils literal notranslate"><span class="pre">import</span> <span class="pre">eccodes</span></code> / <code class="docutils literal notranslate"><span class="pre">import</span> <span class="pre">grib_api</span></code> / <code class="docutils literal notranslate"><span class="pre">import</span> <span class="pre">ecmwfapi</span></code>)</p></li>
193<li><p>Start test retrieval (<a class="reference internal" href="../Installation/local.html#ref-test-local"><span class="std std-ref">Testing the local environment</span></a>)</p></li>
194<li><p>Install <code class="docutils literal notranslate"><span class="pre">flex_extract</span></code> (<a class="reference internal" href="../installation.html"><span class="doc">Installation</span></a>)</p></li>
195</ol>
196</dd>
197</dl>
198<div class="admonition caution">
199<p class="admonition-title">Caution</p>
200<ul class="simple">
201<li><p>use the same compiler and compiler version all the time</p></li>
202<li><p>don’t forget to set all Library paths in the LD_LIBRARY_PATH environment variable</p></li>
203<li><p>adapt the <code class="docutils literal notranslate"><span class="pre">flex_extract</span></code> makefile</p></li>
204</ul>
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