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If you need to compile third-party software, check How to Manually Build Software.
How to choose a compiler family
Sometimes it does not matter whether you use the GNU, AMD or Cray compilers, as all of them support a common set of features for supported programming languages (for instance, C). However, there are cases where you may want to use a specific compiler.
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The compilation process is presented using the GNU compiler for the C programming language but what is described applies also to other compilers. The examples make use of the C compiler wrapper, cc , and the PrgEnv-gnu environment. C/C++ and Fortran compilation should all use the Cray provided wrappers that add all the appropriate libraries to enable MPI. These are
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Step 1. Compiling to object files
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