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support for IBM XLF 12.1 and higher

From: John Donners
Subject: support for IBM XLF 12.1 and higher
Date: Fri, 14 Sep 2012 10:50:51 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120714 Thunderbird/14.0

Dear all,

in 2006 a fix was introduced for IBM xlf on linux (the fortran compiler),
since it didn't support the -qmkshrobj flag:

However, xlf 12.1 and newer do support this flag. Furthermore,
IBM uses the MPI-wrapper 'mpfort' instead of mpixlf on linux.
I removed the separate section for xlf and added 'xlf* | mpfort*'
to the section for xlc in libtool.m4. I'm sure you have a cleaner
way of implementing this (if you plan to keep supporting the old
IBM compilers), so I won't include a patch here.


John Donners
SARA Computing Center

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