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78 lines
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78 lines
3.9 KiB
HTML
<html lang="en">
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<title>Front End Directory - GNU Compiler Collection (GCC) Internals</title>
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<link rel="up" href="Front-End.html#Front-End" title="Front End">
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<link rel="next" href="Front-End-Config.html#Front-End-Config" title="Front End Config">
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Copyright (C) 1988-2015 Free Software Foundation, Inc.
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any later version published by the Free Software Foundation; with the
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(see below). A copy of the license is included in the section entitled
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``GNU Free Documentation License''.
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(a) The FSF's Front-Cover Text is:
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A GNU Manual
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<a name="Front-End-Directory"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="Front-End-Config.html#Front-End-Config">Front End Config</a>,
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Up: <a rel="up" accesskey="u" href="Front-End.html#Front-End">Front End</a>
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<h5 class="subsubsection">6.3.8.1 The Front End <samp><var>language</var></samp> Directory</h5>
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<p>A front end <samp><var>language</var></samp> directory contains the source files
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of that front end (but not of any runtime libraries, which should be
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outside the <samp><span class="file">gcc</span></samp> directory). This includes documentation, and
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possibly some subsidiary programs built alongside the front end.
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Certain files are special and other parts of the compiler depend on
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their names:
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<dl>
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<dt><samp><span class="file">config-lang.in</span></samp><dd>This file is required in all language subdirectories. See <a href="Front-End-Config.html#Front-End-Config">The Front End <samp><span class="file">config-lang.in</span></samp> File</a>, for details of
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its contents
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<br><dt><samp><span class="file">Make-lang.in</span></samp><dd>This file is required in all language subdirectories. See <a href="Front-End-Makefile.html#Front-End-Makefile">The Front End <samp><span class="file">Make-lang.in</span></samp> File</a>, for details of its
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contents.
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<br><dt><samp><span class="file">lang.opt</span></samp><dd>This file registers the set of switches that the front end accepts on
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the command line, and their <samp><span class="option">--help</span></samp> text. See <a href="Options.html#Options">Options</a>.
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<br><dt><samp><span class="file">lang-specs.h</span></samp><dd>This file provides entries for <code>default_compilers</code> in
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<samp><span class="file">gcc.c</span></samp> which override the default of giving an error that a
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compiler for that language is not installed.
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<br><dt><samp><var>language</var><span class="file">-tree.def</span></samp><dd>This file, which need not exist, defines any language-specific tree
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codes.
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</dl>
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</body></html>
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