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GNU Compiler
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| 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
XT5m special
To use the GNU compilers on the Cray XT5m you have to switch the environment
module load ProgEnv-gnu
Warning: Do not use the regular GNU compiler commands on the XT5m. Instead call the compilers via cc, CC and ftn after loading the environment.