From 9ffb3b4ac03d93cfce2dbdda47a471eb989eb243 Mon Sep 17 00:00:00 2001 From: Paul Ferrell <51765748+Paul-Ferrell@users.noreply.github.com> Date: Wed, 27 Apr 2022 14:41:06 -0600 Subject: [PATCH] mvapich2 MPI_ROOT needed in modules (#30335) We've found that when using mvapich2 via modules, we need to set the MPI_ROOT environment variable. --- var/spack/repos/builtin/packages/mvapich2/package.py | 2 ++ 1 file changed, 2 insertions(+) diff --git a/var/spack/repos/builtin/packages/mvapich2/package.py b/var/spack/repos/builtin/packages/mvapich2/package.py index 5e787f50f85..deead402c67 100644 --- a/var/spack/repos/builtin/packages/mvapich2/package.py +++ b/var/spack/repos/builtin/packages/mvapich2/package.py @@ -335,6 +335,8 @@ def setup_run_environment(self, env): if 'process_managers=slurm' in self.spec: env.set('SLURM_MPI_TYPE', 'pmi2') + env.set('MPI_ROOT', self.prefix) + # Because MPI functions as a compiler, we need to treat it as one and # add its compiler paths to the run environment. self.setup_compiler_environment(env)