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Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 The GSL Team.
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<h4 class="subsection">2.2.1 Linking programs with the library</h4>
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<p><a name="index-compiling-programs_002c-library-paths-29"></a><a name="index-linking-with-GSL-libraries-30"></a><a name="index-libraries_002c-linking-with-31"></a>The library is installed as a single file, <samp><span class="file">libgsl.a</span></samp>. A shared
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version of the library <samp><span class="file">libgsl.so</span></samp> is also installed on systems
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that support shared libraries. The default location of these files is
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<samp><span class="file">/usr/local/lib</span></samp>. If this directory is not on the standard search
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path of your linker you will also need to provide its location as a
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<p>To link against the library you need to specify
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both the main library and a supporting <span class="sc">cblas</span> library, which
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provides standard basic linear algebra subroutines. A suitable
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<span class="sc">cblas</span> implementation is provided in the library
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<samp><span class="file">libgslcblas.a</span></samp> if your system does not provide one. The following
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example shows how to link an application with the library,
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<pre class="example"> $ gcc -L/usr/local/lib example.o -lgsl -lgslcblas -lm
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<p class="noindent">The default library path for <code>gcc</code> searches <samp><span class="file">/usr/local/lib</span></samp>
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automatically so the <code>-L</code> option can be omitted when GSL is
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installed in its default location.
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