<html lang="en"> <head> <title>Pragmas - Using the GNU Compiler Collection (GCC)</title> <meta http-equiv="Content-Type" content="text/html"> <meta name="description" content="Using the GNU Compiler Collection (GCC)"> <meta name="generator" content="makeinfo 4.13"> <link title="Top" rel="start" href="index.html#Top"> <link rel="up" href="C-Extensions.html#C-Extensions" title="C Extensions"> <link rel="prev" href="Target-Format-Checks.html#Target-Format-Checks" title="Target Format Checks"> <link rel="next" href="Unnamed-Fields.html#Unnamed-Fields" title="Unnamed Fields"> <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="Pragmas"></a> <p> Next: <a rel="next" accesskey="n" href="Unnamed-Fields.html#Unnamed-Fields">Unnamed Fields</a>, Previous: <a rel="previous" accesskey="p" href="Target-Format-Checks.html#Target-Format-Checks">Target Format Checks</a>, Up: <a rel="up" accesskey="u" href="C-Extensions.html#C-Extensions">C Extensions</a> <hr> </div> <h3 class="section">6.60 Pragmas Accepted by GCC</h3> <p><a name="index-pragmas-4155"></a><a name="index-g_t_0040code_007b_0023pragma_007d-4156"></a> GCC supports several types of pragmas, primarily in order to compile code originally written for other compilers. Note that in general we do not recommend the use of pragmas; See <a href="Function-Attributes.html#Function-Attributes">Function Attributes</a>, for further explanation. <ul class="menu"> <li><a accesskey="1" href="ARM-Pragmas.html#ARM-Pragmas">ARM Pragmas</a> <li><a accesskey="2" href="M32C-Pragmas.html#M32C-Pragmas">M32C Pragmas</a> <li><a accesskey="3" href="MeP-Pragmas.html#MeP-Pragmas">MeP Pragmas</a> <li><a accesskey="4" href="RS_002f6000-and-PowerPC-Pragmas.html#RS_002f6000-and-PowerPC-Pragmas">RS/6000 and PowerPC Pragmas</a> <li><a accesskey="5" href="Darwin-Pragmas.html#Darwin-Pragmas">Darwin Pragmas</a> <li><a accesskey="6" href="Solaris-Pragmas.html#Solaris-Pragmas">Solaris Pragmas</a> <li><a accesskey="7" href="Symbol_002dRenaming-Pragmas.html#Symbol_002dRenaming-Pragmas">Symbol-Renaming Pragmas</a> <li><a accesskey="8" href="Structure_002dPacking-Pragmas.html#Structure_002dPacking-Pragmas">Structure-Packing Pragmas</a> <li><a accesskey="9" href="Weak-Pragmas.html#Weak-Pragmas">Weak Pragmas</a> <li><a href="Diagnostic-Pragmas.html#Diagnostic-Pragmas">Diagnostic Pragmas</a> <li><a href="Visibility-Pragmas.html#Visibility-Pragmas">Visibility Pragmas</a> <li><a href="Push_002fPop-Macro-Pragmas.html#Push_002fPop-Macro-Pragmas">Push/Pop Macro Pragmas</a> <li><a href="Function-Specific-Option-Pragmas.html#Function-Specific-Option-Pragmas">Function Specific Option Pragmas</a> <li><a href="Loop_002dSpecific-Pragmas.html#Loop_002dSpecific-Pragmas">Loop-Specific Pragmas</a> </ul> </body></html>