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<head><title>Configuring and Building AMG4PSBLAS</title>
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<!--l. 1--><div class="crosslinks"><p class="noindent"><span
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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 AMG4PSBLAS</span></h3>
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<!--l. 4--><p class="noindent" ><span
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class="cmr-12">In order to build AMG4PSBLAS 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">AMG4PSBLAS is implemented almost entirely in Fortran</span><span
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class="cmr-12"> 2003, with some</span>
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<span
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class="cmr-12">interfaces to external libraries in C; the Fortran compiler must support the</span>
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<span
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class="cmr-12">Fortran</span><span
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class="cmr-12"> 2003 standard 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</span>
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<span
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class="cmr-12">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 compilers do this; in particular, this is supported by the GNU</span>
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<span
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class="cmr-12">Fortran compiler, for which we recommend to use at least version 4.8. The software</span>
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<span
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class="cmr-12">defines data 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 AMG4PSBLAS 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 AMG4PSBLAS</span>
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<span
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class="cmr-12">(see 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,</span>
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<span
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class="cmr-12">Fedora, CentOS) provide precompiled packages for the prerequisite and optional</span>
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<span
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class="cmr-12">software. In many cases these packages are split between a runtime part and a</span>
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<span
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class="cmr-12">“developer” part; in order to build AMG4PSBLAS you need both. A description of</span>
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<span
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class="cmr-12">the base and optional software used by AMG4PSBLAS is given in the next</span>
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<span
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class="cmr-12">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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