development/valgrind: Mention mpich/openmpi optional deps.

Signed-off-by: B. Watson <yalhcru@gmail.com>

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>
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B. Watson 2022-03-04 12:33:47 -05:00 committed by Willy Sudiarto Raharjo
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@ -11,3 +11,9 @@ three experimental tools: a heap/stack/global array overrun detector,
a different kind of heap profiler, and a SimPoint basic block vector
generator. It runs on the following platforms: x86/Linux, AMD64/Linux,
PPC32/Linux, PPC64/Linux, ARM/Linux, x86/MacOSX and AMD64/MacOSX.
Optional dependency: either mpich or openmpi. If one of these is
found, valgrind will include the MPI wrapper, which allows using
valgrind with software that uses the MPI message passing standard.
Note that only one of mpich or openmpi should be installed, as they
conflict with each other.