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132 lines
6.1 KiB
HTML
132 lines
6.1 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- Copyright (C) 1988-2018 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Funding Free Software", the Front-Cover
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Texts being (a) (see below), and with the Back-Cover Texts being (b)
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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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(b) The FSF's Back-Cover Text is:
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You have freedom to copy and modify this GNU Manual, like GNU
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software. Copies published by the Free Software Foundation raise
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funds for GNU development. -->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>Man Page Generation (GNU Compiler Collection (GCC) Internals)</title>
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<meta name="description" content="Man Page Generation (GNU Compiler Collection (GCC) Internals)">
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<meta name="keywords" content="Man Page Generation (GNU Compiler Collection (GCC) Internals)">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="Generator" content="makeinfo">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Option-Index.html#Option-Index" rel="index" title="Option Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Documentation.html#Documentation" rel="up" title="Documentation">
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<link href="Miscellaneous-Docs.html#Miscellaneous-Docs" rel="next" title="Miscellaneous Docs">
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<link href="Texinfo-Manuals.html#Texinfo-Manuals" rel="prev" title="Texinfo Manuals">
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<style type="text/css">
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<!--
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a.summary-letter {text-decoration: none}
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blockquote.indentedblock {margin-right: 0em}
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blockquote.smallindentedblock {margin-right: 0em; font-size: smaller}
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blockquote.smallquotation {font-size: smaller}
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div.display {margin-left: 3.2em}
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div.example {margin-left: 3.2em}
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div.lisp {margin-left: 3.2em}
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div.smalldisplay {margin-left: 3.2em}
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div.smallexample {margin-left: 3.2em}
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div.smalllisp {margin-left: 3.2em}
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kbd {font-style: oblique}
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pre.display {font-family: inherit}
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pre.format {font-family: inherit}
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pre.menu-comment {font-family: serif}
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pre.menu-preformatted {font-family: serif}
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pre.smalldisplay {font-family: inherit; font-size: smaller}
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pre.smallexample {font-size: smaller}
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pre.smallformat {font-family: inherit; font-size: smaller}
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pre.smalllisp {font-size: smaller}
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span.nolinebreak {white-space: nowrap}
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span.roman {font-family: initial; font-weight: normal}
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span.sansserif {font-family: sans-serif; font-weight: normal}
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ul.no-bullet {list-style: none}
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-->
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</style>
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</head>
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<body lang="en">
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<a name="Man-Page-Generation"></a>
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<div class="header">
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<p>
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Next: <a href="Miscellaneous-Docs.html#Miscellaneous-Docs" accesskey="n" rel="next">Miscellaneous Docs</a>, Previous: <a href="Texinfo-Manuals.html#Texinfo-Manuals" accesskey="p" rel="prev">Texinfo Manuals</a>, Up: <a href="Documentation.html#Documentation" accesskey="u" rel="up">Documentation</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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</div>
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<hr>
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<a name="Man-Page-Generation-1"></a>
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<h4 class="subsubsection">6.3.7.2 Man Page Generation</h4>
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<p>Because of user demand, in addition to full Texinfo manuals, man pages
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are provided which contain extracts from those manuals. These man
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pages are generated from the Texinfo manuals using
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<samp>contrib/texi2pod.pl</samp> and <code>pod2man</code>. (The man page for
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<code>g++</code>, <samp>cp/g++.1</samp>, just contains a ‘<samp>.so</samp>’ reference
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to <samp>gcc.1</samp>, but all the other man pages are generated from
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Texinfo manuals.)
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</p>
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<p>Because many systems may not have the necessary tools installed to
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generate the man pages, they are only generated if the
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<samp>configure</samp> script detects that recent enough tools are
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installed, and the Makefiles allow generating man pages to fail
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without aborting the build. Man pages are also included in release
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distributions. They are generated in the source directory.
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</p>
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<p>Magic comments in Texinfo files starting ‘<samp>@c man</samp>’ control what
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parts of a Texinfo file go into a man page. Only a subset of Texinfo
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is supported by <samp>texi2pod.pl</samp>, and it may be necessary to add
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support for more Texinfo features to this script when generating new
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man pages. To improve the man page output, some special Texinfo
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macros are provided in <samp>doc/include/gcc-common.texi</samp> which
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<samp>texi2pod.pl</samp> understands:
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</p>
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<dl compact="compact">
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<dt><code>@gcctabopt</code></dt>
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<dd><p>Use in the form ‘<samp>@table @gcctabopt</samp>’ for tables of options,
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where for printed output the effect of ‘<samp>@code</samp>’ is better than
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that of ‘<samp>@option</samp>’ but for man page output a different effect is
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wanted.
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</p></dd>
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<dt><code>@gccoptlist</code></dt>
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<dd><p>Use for summary lists of options in manuals.
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</p></dd>
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<dt><code>@gol</code></dt>
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<dd><p>Use at the end of each line inside ‘<samp>@gccoptlist</samp>’. This is
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necessary to avoid problems with differences in how the
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‘<samp>@gccoptlist</samp>’ macro is handled by different Texinfo formatters.
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</p></dd>
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</dl>
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<p>FIXME: describe the <samp>texi2pod.pl</samp> input language and magic
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comments in more detail.
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</p>
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<hr>
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<div class="header">
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<p>
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Next: <a href="Miscellaneous-Docs.html#Miscellaneous-Docs" accesskey="n" rel="next">Miscellaneous Docs</a>, Previous: <a href="Texinfo-Manuals.html#Texinfo-Manuals" accesskey="p" rel="prev">Texinfo Manuals</a>, Up: <a href="Documentation.html#Documentation" accesskey="u" rel="up">Documentation</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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</div>
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</body>
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</html>
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