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137 lines
5.8 KiB
HTML
137 lines
5.8 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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<head><title>Configuring and Building MLD2P4</title>
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<!--l. 1--><div class="crosslinks"><p class="noindent"><span
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class="cmr-12">[</span><a
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class="cmr-12">] </span></p></div>
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<h3 class="sectionHead"><span class="titlemark"><span
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class="cmr-12">3 </span></span> <a
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id="x7-60003"></a><span
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class="cmr-12">Configuring and Building MLD2P4</span></h3>
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<!--l. 4--><p class="noindent" ><span
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class="cmr-12">In order to build MLD2P4 it is necessary to set up a Makefile with appropriate</span>
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<span
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class="cmr-12">system-dependent variables; this is done by means of the </span><span class="obeylines-h"><span class="verb"><span
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class="cmtt-12">configure</span></span></span> <span
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class="cmr-12">script. The</span>
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<span
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class="cmr-12">distribution also includes the autoconf and automake sources employed to generate the</span>
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<span
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class="cmr-12">script, but usually this is not needed to build the software.</span>
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<!--l. 10--><p class="indent" > <span
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class="cmr-12">MLD2P4 is implemented almost entirely in Fortran</span><span
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class="cmr-12"> 2003, with some interfaces to</span>
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<span
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class="cmr-12">external libraries in C; the Fortran compiler must support the Fortran</span><span
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class="cmr-12"> 2003 standard</span>
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<span
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class="cmr-12">plus the extension </span><span class="obeylines-h"><span class="verb"><span
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class="cmtt-12">MOLD=</span></span></span> <span
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class="cmr-12">feature, which enhances the usability of </span><span class="obeylines-h"><span class="verb"><span
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class="cmtt-12">ALLOCATE</span></span></span><span
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class="cmr-12">. Many</span>
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<span
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class="cmr-12">compilers do this; in particular, this is supported by the GNU Fortran compiler, for</span>
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<span
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class="cmr-12">which we recommend to use at least version 4.8. The software defines data</span>
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<span
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class="cmr-12">types and interfaces for real and complex data, in both single and double</span>
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<span
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class="cmr-12">precision.</span>
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<!--l. 20--><p class="indent" > <span
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class="cmr-12">Building MLD2P4 requires some base libraries (see Section</span><span
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class="cmr-12"> </span><a
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href="userhtmlsu1.html#x8-70003.1"><span
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class="cmr-12">3.1</span><!--tex4ht:ref: sec:prerequisites --></a><span
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class="cmr-12">); interfaces to</span>
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<span
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class="cmr-12">optional third-party libraries, which extend the functionalities of MLD2P4 (see</span>
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<span
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class="cmr-12">Section</span><span
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class="cmr-12"> </span><a
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href="userhtmlsu2.html#x9-80003.2"><span
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class="cmr-12">3.2</span><!--tex4ht:ref: sec:third-party --></a><span
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class="cmr-12">), are also available. Many Linux distributions (e.g., Ubuntu, Fedora,</span>
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<span
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class="cmr-12">CentOS) provide precompiled packages for the prerequisite and optional software. In</span>
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<span
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class="cmr-12">many cases these packages are split between a runtime part and a “developer” part; in</span>
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<span
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class="cmr-12">order to build MLD2P4 you need both. A description of the base and optional software</span>
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<span
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class="cmr-12">used by MLD2P4 is given in the next sections.</span>
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<!--l. 28--><p class="noindent" >
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<div class="subsectionTOCS">
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<span
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class="cmr-12"> </span><span class="subsectionToc" ><span
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class="cmr-12">3.1 </span><a
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href="userhtmlsu1.html#x8-70003.1"><span
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class="cmr-12">Prerequisites</span></a></span>
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<br /> <span
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class="cmr-12"> </span><span class="subsectionToc" ><span
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class="cmr-12">3.2 </span><a
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href="userhtmlsu2.html#x9-80003.2"><span
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class="cmr-12">Optional third party libraries</span></a></span>
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<br /> <span
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class="cmr-12"> </span><span class="subsectionToc" ><span
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class="cmr-12">3.3 </span><a
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href="userhtmlsu3.html#x10-90003.3"><span
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class="cmr-12">Configuration options</span></a></span>
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<br /> <span
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class="cmr-12"> </span><span class="subsectionToc" ><span
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class="cmr-12">3.4 </span><a
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href="userhtmlsu4.html#x11-100003.4"><span
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class="cmr-12">Bug reporting</span></a></span>
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<br /> <span
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class="cmr-12"> </span><span class="subsectionToc" ><span
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class="cmr-12">3.5 </span><a
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href="userhtmlsu5.html#x12-110003.5"><span
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class="cmr-12">Example and test programs</span></a></span>
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</div>
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