From e367d1fb3ae494a2cbd9d88c236ad08afa1ba23d Mon Sep 17 00:00:00 2001
From: Jon Rood <jon.rood@nrel.gov>
Date: Fri, 13 Jul 2018 19:32:02 -0600
Subject: [PATCH] Unset F90 and F90FLAGS in mvapich2 (#8698)
* Unset F90 in mvapich2 when using intel compilers.
* Fixing typo.
* Unset F90 and F90FLAGS for mvapich2 at all times.
* Adding comment.
---
var/spack/repos/builtin/packages/mvapich2/package.py | 3 +++
1 file changed, 3 insertions(+)
diff --git a/var/spack/repos/builtin/packages/mvapich2/package.py b/var/spack/repos/builtin/packages/mvapich2/package.py
index 030e03b7f1..c3e9f1c2f4 100644
--- a/var/spack/repos/builtin/packages/mvapich2/package.py
+++ b/var/spack/repos/builtin/packages/mvapich2/package.py
@@ -199,6 +199,9 @@ def file_system_options(self):
def setup_environment(self, spack_env, run_env):
spec = self.spec
+ # mvapich2 configure fails when F90 and F90FLAGS are set
+ spack_env.unset('F90')
+ spack_env.unset('F90FLAGS')
if 'process_managers=slurm' in spec:
run_env.set('SLURM_MPI_TYPE', 'pmi2')
--
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