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- Hppa - HP Fortran and C compilers
- Linux - The Portland Group compilers pgf90, pgcc and gfortran, gcc
- Rs6000 - XL Fortran for AIX- C for AIX Compiler, Version 5& xlc Compiler
It is possible to use other options for the compilation of source code versions than those which are offered. For example: modifying the configuration files; changing the level of optimisation; etc. The make utility can be used repeatedly. It will only cause the re-compilation of routines which have been modified since the previous make.
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