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<html lang="en"><head><title>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 4.6"><!--Copyright &copy; 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.   <p>Permission is granted to copy, distribute and/or modify this documentunder the terms of the GNU Free Documentation License, Version 1.2 orany later version published by the Free Software Foundation; with theInvariant Sections being "GNU General Public License" and "FundingFree Software", the Front-Cover texts being (a) (see below), and withthe Back-Cover Texts being (b) (see below).  A copy of the license isincluded in the section entitled "GNU Free Documentation License".   <p>(a) The FSF's Front-Cover Text is:   <p>A GNU Manual   <p>(b) The FSF's Back-Cover Text is:   <p>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 }--></style></head><body><div class="node"><p>Node:&nbsp;<a name="Pragmas">Pragmas</a>,Next:&nbsp;<a rel="next" accesskey="n" href="Unnamed-Fields.html#Unnamed%20Fields">Unnamed Fields</a>,Previous:&nbsp;<a rel="previous" accesskey="p" href="Target-Builtins.html#Target%20Builtins">Target Builtins</a>,Up:&nbsp;<a rel="up" accesskey="u" href="C-Extensions.html#C%20Extensions">C Extensions</a><hr><br></div><h3 class="section">Pragmas Accepted by GCC</h3><p>GCC supports several types of pragmas, primarily in order to compilecode originally written for other compilers.  Note that in generalwe do not recommend the use of pragmas; See <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a>,for further explanation.<ul class="menu"><li><a accesskey="1" href="ARM-Pragmas.html#ARM%20Pragmas">ARM Pragmas</a>: <li><a accesskey="2" href="RS-6000-and-PowerPC-Pragmas.html#RS%2f6000%20and%20PowerPC%20Pragmas">RS/6000 and PowerPC Pragmas</a>: <li><a accesskey="3" href="Darwin-Pragmas.html#Darwin%20Pragmas">Darwin Pragmas</a>: <li><a accesskey="4" href="Solaris-Pragmas.html#Solaris%20Pragmas">Solaris Pragmas</a>: <li><a accesskey="5" href="Tru64-Pragmas.html#Tru64%20Pragmas">Tru64 Pragmas</a>: </ul>   </body></html>
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