From 9b7001fda1d9738a65da3e02e5a5014391bd7850 Mon Sep 17 00:00:00 2001
From: Erik Schnetter <schnetter@gmail.com>
Date: Wed, 18 Jan 2017 17:54:39 -0500
Subject: [PATCH] OpenMPI: Update auto-detection of Verbs library location
 (#2124)

---
 var/spack/repos/builtin/packages/openmpi/package.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/var/spack/repos/builtin/packages/openmpi/package.py b/var/spack/repos/builtin/packages/openmpi/package.py
index 754cc8d93e..2c6b6d68ac 100644
--- a/var/spack/repos/builtin/packages/openmpi/package.py
+++ b/var/spack/repos/builtin/packages/openmpi/package.py
@@ -39,6 +39,9 @@ def _verbs_dir():
         # Remove executable name and "bin" directory
         path = os.path.dirname(path)
         path = os.path.dirname(path)
+        # There's usually no "/include" on Unix; use "/usr/include" instead
+        if path == "/":
+            path = "/usr"
         return path
     except:
         return None
-- 
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