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How do I install multiple versions of ORC compilers on IA-64 systems?

April 26, 2017compilers ia-64 install ORC SYSTEMS versions

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How do I install multiple versions of ORC compilers on IA-64 systems?

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Sometimes it’s desirable to install multiple versions of the compilers on a machine, for debugging or experimental purposes. Assuming you have two different versions of ORC compiler binaries, installed in different directories, simply set the environment variables TOOLROOT and COMP_TARGET_ROOT to point to the directories for the desired binary and archives and it should work. How do I rebuild the Fortran front-end? The Fortran front-end (i.e., mfef90) will not be built by default. If you want to rebuild it, you need to install the ORC binary first. Then do the following: cd ${ORC_SRC_ROOT}/src/osprey1.