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GNU Compiler: Difference between revisions
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| description = The '''GNU Compiler Collection''' (usually shortened to GCC) is a compiler system produced by the GNU Project supporting various programming languages. GCC is a key component of the GNU toolchain. As well as being the official compiler of the GNU operating system, GCC has been adopted as the standard compiler by most other modern Unix-like computer operating systems, including GNU/Linux, the BSD family and Mac OS X. | | description = The '''GNU Compiler Collection''' (usually shortened to GCC) is a compiler system produced by the GNU Project supporting various programming languages. GCC is a key component of the GNU toolchain. As well as being the official compiler of the GNU operating system, GCC has been adopted as the standard compiler by most other modern Unix-like computer operating systems, including GNU/Linux, the BSD family and Mac OS X. | ||
| developer = GNU Project | | developer = GNU Project | ||
| available on = | | available on = | ||
| category = [[:Category:Compiler | Compiler]] | | category = [[:Category:Compiler | Compiler]] | ||
| license = GNU General Public License (version 3 or later) | | license = GNU General Public License (version 3 or later) | ||
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{{Warning|text = | {{Warning|text = | ||
Do not use the <tt>-march=native</tt>, <tt>-mcpu=native</tt> or <tt>-mtune=native</tt> options as the frontend nodes | Do not use the <tt>-march=native</tt>, <tt>-mcpu=native</tt> or <tt>-mtune=native</tt> options as the frontend nodes are a different architecture than the compute nodes and you will lose performance! | ||
}} | }} | ||
Revision as of 11:44, 18 August 2021
| The GNU Compiler Collection (usually shortened to GCC) is a compiler system produced by the GNU Project supporting various programming languages. GCC is a key component of the GNU toolchain. As well as being the official compiler of the GNU operating system, GCC has been adopted as the standard compiler by most other modern Unix-like computer operating systems, including GNU/Linux, the BSD family and Mac OS X. |
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General info
On most Systems the GNU compilers are available per default in form of the system compiler. To find out the default version execute
gcc --version
On most platforms you will find additional versions beside the one provided by the base system. You can switch to an additional version with the module command
module load compiler/gcc
Warning: Do not use the -march=native, -mcpu=native or -mtune=native options as the frontend nodes are a different architecture than the compute nodes and you will lose performance!