[petsc-dev] Clang configure

[Matthew Knepley]

Everything now flat-out fails for me using Clang unless I give

   -Qunused-arguments

This is because -fPIC is unrecognized, and this is because Clang
puts a warning message out on stderr that says some include directory
was not used.

Where does this gets fixed? Do we start filtering stderr, which is
problematic,
or do we try to detect this particular failure and give a good error
message?

   Matt

-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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