You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
103 lines
4.6 KiB
HTML
103 lines
4.6 KiB
HTML
<html lang="en">
|
|
<head>
|
|
<title>Plugins building - GNU Compiler Collection (GCC) Internals</title>
|
|
<meta http-equiv="Content-Type" content="text/html">
|
|
<meta name="description" content="GNU Compiler Collection (GCC) Internals">
|
|
<meta name="generator" content="makeinfo 4.13">
|
|
<link title="Top" rel="start" href="index.html#Top">
|
|
<link rel="up" href="Plugins.html#Plugins" title="Plugins">
|
|
<link rel="prev" href="Plugins-tracking.html#Plugins-tracking" title="Plugins tracking">
|
|
<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
|
|
<!--
|
|
Copyright (C) 1988-2015 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.-->
|
|
<meta http-equiv="Content-Style-Type" content="text/css">
|
|
<style type="text/css"><!--
|
|
pre.display { font-family:inherit }
|
|
pre.format { font-family:inherit }
|
|
pre.smalldisplay { font-family:inherit; font-size:smaller }
|
|
pre.smallformat { font-family:inherit; font-size:smaller }
|
|
pre.smallexample { font-size:smaller }
|
|
pre.smalllisp { font-size:smaller }
|
|
span.sc { font-variant:small-caps }
|
|
span.roman { font-family:serif; font-weight:normal; }
|
|
span.sansserif { font-family:sans-serif; font-weight:normal; }
|
|
--></style>
|
|
</head>
|
|
<body>
|
|
<div class="node">
|
|
<a name="Plugins-building"></a>
|
|
<p>
|
|
Previous: <a rel="previous" accesskey="p" href="Plugins-tracking.html#Plugins-tracking">Plugins tracking</a>,
|
|
Up: <a rel="up" accesskey="u" href="Plugins.html#Plugins">Plugins</a>
|
|
<hr>
|
|
</div>
|
|
|
|
<h3 class="section">23.10 Building GCC plugins</h3>
|
|
|
|
<p>If plugins are enabled, GCC installs the headers needed to build a
|
|
plugin (somewhere in the installation tree, e.g. under
|
|
<samp><span class="file">/usr/local</span></samp>). In particular a <samp><span class="file">plugin/include</span></samp> directory
|
|
is installed, containing all the header files needed to build plugins.
|
|
|
|
<p>On most systems, you can query this <code>plugin</code> directory by
|
|
invoking <samp><span class="command">gcc -print-file-name=plugin</span></samp> (replace if needed
|
|
<samp><span class="command">gcc</span></samp> with the appropriate program path).
|
|
|
|
<p>Inside plugins, this <code>plugin</code> directory name can be queried by
|
|
calling <code>default_plugin_dir_name ()</code>.
|
|
|
|
<p>Plugins may know, when they are compiled, the GCC version for which
|
|
<samp><span class="file">plugin-version.h</span></samp> is provided. The constant macros
|
|
<code>GCCPLUGIN_VERSION_MAJOR</code>, <code>GCCPLUGIN_VERSION_MINOR</code>,
|
|
<code>GCCPLUGIN_VERSION_PATCHLEVEL</code>, <code>GCCPLUGIN_VERSION</code> are
|
|
integer numbers, so a plugin could ensure it is built for GCC 4.7 with
|
|
<pre class="smallexample"> #if GCCPLUGIN_VERSION != 4007
|
|
#error this GCC plugin is for GCC 4.7
|
|
#endif
|
|
</pre>
|
|
<p>The following GNU Makefile excerpt shows how to build a simple plugin:
|
|
|
|
<pre class="smallexample"> HOST_GCC=g++
|
|
TARGET_GCC=gcc
|
|
PLUGIN_SOURCE_FILES= plugin1.c plugin2.cc
|
|
GCCPLUGINS_DIR:= $(shell $(TARGET_GCC) -print-file-name=plugin)
|
|
CXXFLAGS+= -I$(GCCPLUGINS_DIR)/include -fPIC -fno-rtti -O2
|
|
|
|
plugin.so: $(PLUGIN_SOURCE_FILES)
|
|
$(HOST_GCC) -shared $(CXXFLAGS) $^ -o $@
|
|
</pre>
|
|
<p>A single source file plugin may be built with <code>g++ -I`gcc
|
|
-print-file-name=plugin`/include -fPIC -shared -fno-rtti -O2 plugin.c -o
|
|
plugin.so</code>, using backquote shell syntax to query the <samp><span class="file">plugin</span></samp>
|
|
directory.
|
|
|
|
<p>When a plugin needs to use <samp><span class="command">gengtype</span></samp>, be sure that both
|
|
<samp><span class="file">gengtype</span></samp> and <samp><span class="file">gtype.state</span></samp> have the same version as the
|
|
GCC for which the plugin is built.
|
|
|
|
<!-- Copyright (C) 2010-2015 Free Software Foundation, Inc. -->
|
|
<!-- This is part of the GCC manual. -->
|
|
<!-- For copying conditions, see the file gcc.texi. -->
|
|
<!-- Contributed by Jan Hubicka <jh@suse.cz> and -->
|
|
<!-- Diego Novillo <dnovillo@google.com> -->
|
|
</body></html>
|
|
|