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<title>The GNU Fortran Compiler: GNU Fortran and G77</title>
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Next: <a href="Project-Status.html#Project-Status" accesskey="n" rel="next">Project Status</a>, Previous: <a href="Preprocessing-and-conditional-compilation.html#Preprocessing-and-conditional-compilation" accesskey="p" rel="prev">Preprocessing and conditional compilation</a>, Up: <a href="Introduction.html#Introduction" accesskey="u" rel="up">Introduction</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
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<a name="GNU-Fortran-and-G77-1"></a>
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<h3 class="section">1.4 GNU Fortran and G77</h3>
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<a name="index-Fortran-77"></a>
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<a name="index-g77"></a>
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<p>The GNU Fortran compiler is the successor to <code>g77</code>, the Fortran
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77 front end included in GCC prior to version 4. It is an entirely new
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program that has been designed to provide Fortran 95 support and
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extensibility for future Fortran language standards, as well as providing
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backwards compatibility for Fortran 77 and nearly all of the GNU language
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extensions supported by <code>g77</code>.
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