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GNU Compiler Collection

GCC is the GNU Compiler Collection. It provides compiler front-ends for several languages, including C, C++, Objective-C, Fortran, Java, Ada, and Go. It also includes runtime support libraries for these languages.

GCC provides many levels of source code error checking traditionally provided by other tools (such as lint), produces debugging information, and can perform many different optimizations to the resulting object code. The GNU Compiler for Java is now integrated and supported: GCJ can compile Java source or Java bytecodes to either native code or Java class files. Java programs will run faster while letting users run a completely free system without needing a proprietary Java compiler. GCC supports many different architectures and operating systems.


Reference manuals for several versions of GCC are available in HTML and other formats from Printed versions are available from

"IRC irc:// " IRC Help channel
"IRC irc:// " IRC general channel
"IRC irc:// " IRC development channel

Heckert gnu.small.png This is a GNU package:gcc


Download version 6.3.0 (stable)
released on 21 December 2016

VCS Checkout


Related Projects

Extensions, plug-ins, or add-ons for this program

GNU Modula-2A Modula-2 compiler front-end to GCC


LicenseVerified byVerified onNotes
LGPLv2.1orlaterKelly Hopkins28 April 2010
GPLv3orlater with exceptionKelly Hopkins28 April 2010

Leaders and contributors

GCC Steering Committee Maintainer

Resources and communication

Audience Resource type URI
Bug Tracking, Developer, Support, Help Mailing List Info/Archive
User, Developer Homepage
User, Developer Download
User, Developer Bug Tracking
Developer VCS Repository Webview

Software prerequisites

Kind Description
Weak prerequisite bison
Weak prerequisite texinfo
Weak prerequisite gperf
Weak prerequisite gettext
Weak prerequisite autogen
Required to build GNU make

This entry (in part or in whole) was last reviewed on 22 December 2016.


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 no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.

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