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A GNU Manual

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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.

Introduction

This manual documents how to use the GNU compilers, as well as their features and incompatibilities, and how to report bugs. It corresponds to the compilers (GCC) version 4.9.2. The internals of the GNU compilers, including how to port them to new targets and some information about how to write front ends for new languages, are documented in a separate manual. See Introduction.

• G++ and GCC: You can compile C or C++ programs.
• Standards: Language standards supported by GCC.
• Invoking GCC: Command options supported by ‘gcc’.
• C Implementation: How GCC implements the ISO C specification.
• C++ Implementation: How GCC implements the ISO C++ specification.
• C Extensions: GNU extensions to the C language family.
• C++ Extensions: GNU extensions to the C++ language.
• Objective-C: GNU Objective-C runtime features.
• Compatibility: Binary Compatibility
• Gcov: gcov---a test coverage program.
• Trouble: If you have trouble using GCC.
• Bugs: How, why and where to report bugs.
• Service: How To Get Help with GCC
• Contributing: How to contribute to testing and developing GCC.
• Funding: How to help assure funding for free software.
• GNU Project: The GNU Project and GNU/Linux.
• Copying: GNU General Public License says how you can copy and share GCC.
• GNU Free Documentation License: How you can copy and share this manual.
• Contributors: People who have contributed to GCC.
• Option Index: Index to command line options.
• Keyword Index: Index of concepts and symbol names.