[Flang-dev] Flang and MPICH works...

Jeff Hammond jeff.science at gmail.com
Thu Sep 27 17:52:02 EDT 2018

I built Flang with
on Ubuntu 16.04 and then compiled MPICH without error using this:

../configure CC=clang CXX=clang++ FC=/opt/llvm/pgi-flang/bin/flang
F77=/opt/llvm/pgi-flang/bin/flang --enable-cxx --enable-fortran
--with-pm=hydra --prefix=/opt/mpich/dev/clang/default
--enable-wrapper-rpath --enable-static --disable-shared

As reported in https://github.com/pmodels/mpich/issues/3334, something
causes libtool to fail to generate shared objects when Fortran is enabled,
so I just build twice, once without Fortran with shared enabled and once
with Fortran with static enabled.

This isn't a new issue (
https://lists.mpich.org/pipermail/discuss/2017-December/005368.html) but I
don't care enough about having a shared library for libmpifort to debug it.


Jeff Hammond
jeff.science at gmail.com
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