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| author | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
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| committer | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
| commit | abdaadbcae30fe0c9a66c7516798279fdfd97750 (patch) | |
| tree | 00a54a6e25601e43876d03c1a4a12a749d4a914c /share/doc/gccint/Front-End-Config.html | |
https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
Change-Id: I7303388733328cd98ab9aa3c30236db67f2e9e9c
Diffstat (limited to 'share/doc/gccint/Front-End-Config.html')
| -rw-r--r-- | share/doc/gccint/Front-End-Config.html | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/share/doc/gccint/Front-End-Config.html b/share/doc/gccint/Front-End-Config.html new file mode 100644 index 0000000..362b96d --- /dev/null +++ b/share/doc/gccint/Front-End-Config.html @@ -0,0 +1,154 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- Copyright (C) 1988-2023 Free Software Foundation, Inc. + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with the +Invariant Sections being "Funding Free Software", the Front-Cover +Texts being (a) (see below), and with the Back-Cover Texts being (b) +(see below). A copy of the license is included in the section entitled +"GNU Free Documentation License". + +(a) The FSF's Front-Cover Text is: + +A GNU Manual + +(b) The FSF's Back-Cover Text is: + +You have freedom to copy and modify this GNU Manual, like GNU + software. Copies published by the Free Software Foundation raise + funds for GNU development. --> +<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> +<head> +<title>GNU Compiler Collection (GCC) Internals: Front End Config</title> + +<meta name="description" content="GNU Compiler Collection (GCC) Internals: Front End Config"> +<meta name="keywords" content="GNU Compiler Collection (GCC) Internals: Front End Config"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<link href="index.html#Top" rel="start" title="Top"> +<link href="Option-Index.html#Option-Index" rel="index" title="Option Index"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="Front-End.html#Front-End" rel="up" title="Front End"> +<link href="Front-End-Makefile.html#Front-End-Makefile" rel="next" title="Front End Makefile"> +<link href="Front-End-Directory.html#Front-End-Directory" rel="previous" title="Front End Directory"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.smallquotation {font-size: smaller} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.indentedblock {margin-left: 3.2em} +div.lisp {margin-left: 3.2em} +div.smalldisplay {margin-left: 3.2em} +div.smallexample {margin-left: 3.2em} +div.smallindentedblock {margin-left: 3.2em; font-size: smaller} +div.smalllisp {margin-left: 3.2em} +kbd {font-style:oblique} +pre.display {font-family: inherit} +pre.format {font-family: inherit} +pre.menu-comment {font-family: serif} +pre.menu-preformatted {font-family: serif} +pre.smalldisplay {font-family: inherit; font-size: smaller} +pre.smallexample {font-size: smaller} +pre.smallformat {font-family: inherit; font-size: smaller} +pre.smalllisp {font-size: smaller} +span.nocodebreak {white-space:nowrap} +span.nolinebreak {white-space:nowrap} +span.roman {font-family:serif; font-weight:normal} +span.sansserif {font-family:sans-serif; font-weight:normal} +ul.no-bullet {list-style: none} +--> +</style> + + +</head> + +<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> +<a name="Front-End-Config"></a> +<div class="header"> +<p> +Next: <a href="Front-End-Makefile.html#Front-End-Makefile" accesskey="n" rel="next">Front End Makefile</a>, Previous: <a href="Front-End-Directory.html#Front-End-Directory" accesskey="p" rel="previous">Front End Directory</a>, Up: <a href="Front-End.html#Front-End" accesskey="u" rel="up">Front End</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> +</div> +<hr> +<a name="The-Front-End-config_002dlang_002ein-File"></a> +<h4 class="subsubsection">6.3.8.2 The Front End <samp>config-lang.in</samp> File</h4> + +<p>Each language subdirectory contains a <samp>config-lang.in</samp> file. +This file is a shell script that may define some variables describing +the language: +</p> +<dl compact="compact"> +<dt><code>language</code></dt> +<dd><p>This definition must be present, and gives the name of the language +for some purposes such as arguments to <samp>--enable-languages</samp>. +</p></dd> +<dt><code>lang_requires</code></dt> +<dd><p>If defined, this variable lists (space-separated) language front ends +other than C that this front end requires to be enabled (with the +names given being their <code>language</code> settings). For example, the +Obj-C++ front end depends on the C++ and ObjC front ends, so sets +‘<samp>lang_requires="objc c++"</samp>’. +</p></dd> +<dt><code>subdir_requires</code></dt> +<dd><p>If defined, this variable lists (space-separated) front end directories +other than C that this front end requires to be present. For example, +the Objective-C++ front end uses source files from the C++ and +Objective-C front ends, so sets ‘<samp>subdir_requires="cp objc"</samp>’. +</p></dd> +<dt><code>target_libs</code></dt> +<dd><p>If defined, this variable lists (space-separated) targets in the top +level <samp>Makefile</samp> to build the runtime libraries for this +language, such as <code>target-libobjc</code>. +</p></dd> +<dt><code>lang_dirs</code></dt> +<dd><p>If defined, this variable lists (space-separated) top level +directories (parallel to <samp>gcc</samp>), apart from the runtime libraries, +that should not be configured if this front end is not built. +</p></dd> +<dt><code>build_by_default</code></dt> +<dd><p>If defined to ‘<samp>no</samp>’, this language front end is not built unless +enabled in a <samp>--enable-languages</samp> argument. Otherwise, front +ends are built by default, subject to any special logic in +<samp>configure.ac</samp> (as is present to disable the Ada front end if the +Ada compiler is not already installed). +</p></dd> +<dt><code>boot_language</code></dt> +<dd><p>If defined to ‘<samp>yes</samp>’, this front end is built in stage1 of the +bootstrap. This is only relevant to front ends written in their own +languages. +</p></dd> +<dt><code>compilers</code></dt> +<dd><p>If defined, a space-separated list of compiler executables that will +be run by the driver. The names here will each end +with ‘<samp>\$(exeext)</samp>’. +</p></dd> +<dt><code>outputs</code></dt> +<dd><p>If defined, a space-separated list of files that should be generated +by <samp>configure</samp> substituting values in them. This mechanism can +be used to create a file <samp><var>language</var>/Makefile</samp> from +<samp><var>language</var>/Makefile.in</samp>, but this is deprecated, building +everything from the single <samp>gcc/Makefile</samp> is preferred. +</p></dd> +<dt><code>gtfiles</code></dt> +<dd><p>If defined, a space-separated list of files that should be scanned by +<samp>gengtype.cc</samp> to generate the garbage collection tables and routines for +this language. This excludes the files that are common to all front +ends. See <a href="Type-Information.html#Type-Information">Type Information</a>. +</p> +</dd> +</dl> + +<hr> +<div class="header"> +<p> +Next: <a href="Front-End-Makefile.html#Front-End-Makefile" accesskey="n" rel="next">Front End Makefile</a>, Previous: <a href="Front-End-Directory.html#Front-End-Directory" accesskey="p" rel="previous">Front End Directory</a>, Up: <a href="Front-End.html#Front-End" accesskey="u" rel="up">Front End</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> +</div> + + + +</body> +</html> |