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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 http://gcc.gnu.org/onlinedocs. Printed versions are available from http://shop.fsf.org.
"IRC Help" IRC Help channel
"IRC general" IRC general channel
"IRC development" IRC development channel

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



version 6.3.0 (stable)
released on 21 December 2016

User level



Accepts cryptocurrency donations.


VCS Checkout


Related Projects

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

GNU Modula-2A Modula-2 compiler front-end to GCChttp://www.nongnu.org/gm2/homepage.html



Verified by

Verified on


Verified by

Kelly Hopkins

Verified on

28 April 2010

Verified by

Kelly Hopkins

Verified on

28 April 2010

Leaders and contributors

GCC Steering Committee Maintainer

Resources and communication

AudienceResource typeURI
DeveloperVCS Repository Webviewhttp://gcc.gnu.org/svn.html
Debian (Ref) (R)https://tracker.debian.org/pkg/g++
Bug Tracking, Developer, Support, HelpMailing List Info/Archivehttp://gcc.gnu.org/lists.html
Savannah (Ref)https://savannah.gnu.org/projects/gcc
User, DeveloperHomepagehttps://gcc.gnu.org/wiki
Mailing Listhttps://lists.gnu.org/mailman/listinfo/gnu-system-discuss/
User, DeveloperDownloadhttp://ftpmirror.gnu.org/gcc/
User, DeveloperBug Trackinghttps://gcc.gnu.org/bugzilla/
Debian (Ref)https://tracker.debian.org/pkg/gcc

Software prerequisites

Required to buildGNU make
Weak prerequisitebison
Weak prerequisitetexinfo
Weak prerequisitegperf
Weak prerequisitegettext
Weak prerequisiteautogen

This entry (in part or in whole) was last reviewed on 14 November 2018.


"User" is not in the list (General, Help, Bug Tracking, Support, Developer) of allowed values for the "Resource audience" property.

"User" is not in the list (General, Help, Bug Tracking, Support, Developer) of allowed values for the "Resource audience" property.

"User" is not in the list (General, Help, Bug Tracking, Support, Developer) of allowed values for the "Resource audience" property.

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.