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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 © 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: <a name="Trouble">Trouble</a>,Next: <a rel="next" accesskey="n" href="Bugs.html#Bugs">Bugs</a>,Previous: <a rel="previous" accesskey="p" href="Gcov.html#Gcov">Gcov</a>,Up: <a rel="up" accesskey="u" href="index.html#Top">Top</a><hr><br></div><h2 class="chapter">Known Causes of Trouble with GCC</h2><p>This section describes known problems that affect users of GCC. Mostof these are not GCC bugs per se--if they were, we would fix them. But the result for a user may be like the result of a bug. <p>Some of these problems are due to bugs in other software, some aremissing features that are too much work to add, and some are placeswhere people's opinions differ as to what is best.<ul class="menu"><li><a accesskey="1" href="Actual-Bugs.html#Actual%20Bugs">Actual Bugs</a>: Bugs we will fix later. <li><a accesskey="2" href="Cross-Compiler-Problems.html#Cross-Compiler%20Problems">Cross-Compiler Problems</a>: Common problems of cross compiling with GCC. <li><a accesskey="3" href="Interoperation.html#Interoperation">Interoperation</a>: Problems using GCC with other compilers, and with certain linkers, assemblers and debuggers. <li><a accesskey="4" href="External-Bugs.html#External%20Bugs">External Bugs</a>: Problems compiling certain programs. <li><a accesskey="5" href="Incompatibilities.html#Incompatibilities">Incompatibilities</a>: GCC is incompatible with traditional C. <li><a accesskey="6" href="Fixed-Headers.html#Fixed%20Headers">Fixed Headers</a>: GCC uses corrected versions of system header files. This is necessary, but doesn't always work smoothly. <li><a accesskey="7" href="Standard-Libraries.html#Standard%20Libraries">Standard Libraries</a>: GCC uses the system C library, which might not be compliant with the ISO C standard. <li><a accesskey="8" href="Disappointments.html#Disappointments">Disappointments</a>: Regrettable things we can't change, but not quite bugs. <li><a accesskey="9" href="C---Misunderstandings.html#C++%20Misunderstandings">C++ Misunderstandings</a>: Common misunderstandings with GNU C++. <li><a href="Protoize-Caveats.html#Protoize%20Caveats">Protoize Caveats</a>: Things to watch out for when using <code>protoize</code>. <li><a href="Non-bugs.html#Non-bugs">Non-bugs</a>: Things we think are right, but some others disagree. <li><a href="Warnings-and-Errors.html#Warnings%20and%20Errors">Warnings and Errors</a>: Which problems in your code get warnings, and which get errors. </ul> </body></html>⌨️ 快捷键说明
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