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The GNU Compiler Collection is a fully featured ISO C compiler with support for C, as well as C++, Objective C, Java, Objective C++, Ada and Fortran. 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

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


Download version 4.9.2 (stable)
released on 30 October 2014

VCS Checkout


Related Projects

Extensions, plug-ins, or add-ons for this program
GNU Modula-2 A Modula-2 compiler front-end to GCC
Namecheck naming Convention Checker


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

Leaders and contributors

GCC Steering Committee Maintainer

Resources and communication

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

Software prerequisites

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

This entry (in part or in whole) was last reviewed on 31 October 2014.


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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