From 129e03a2e0c29298e9b077d33d4c6f732de7498c Mon Sep 17 00:00:00 2001
From: Jon Rood <jon.rood@nrel.gov>
Date: Sat, 16 Jun 2018 13:11:07 -0600
Subject: [PATCH] Trilinos needs parallel-netcdf as an explicit dependency to
 avoid concretization errors when netcdf is an external. (#8493)

---
 var/spack/repos/builtin/packages/trilinos/package.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/var/spack/repos/builtin/packages/trilinos/package.py b/var/spack/repos/builtin/packages/trilinos/package.py
index ac98561c04..bf12f293a8 100644
--- a/var/spack/repos/builtin/packages/trilinos/package.py
+++ b/var/spack/repos/builtin/packages/trilinos/package.py
@@ -280,6 +280,7 @@ class Trilinos(CMakePackage):
     depends_on('mpi')
     depends_on('netcdf+mpi', when="~pnetcdf")
     depends_on('netcdf+mpi+parallel-netcdf', when="+pnetcdf@master,12.12.1:")
+    depends_on('parallel-netcdf', when="+pnetcdf@master,12.12.1:")
     depends_on('parmetis', when='+metis')
     depends_on('cgns', when='+cgns')
     # Trilinos' Tribits config system is limited which makes it very tricky to
-- 
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