From ff3e56cf9abacc567b2e68c1881ba108dccfb06c Mon Sep 17 00:00:00 2001
From: "Robert.French" <frenchrd@ornl.gov>
Date: Wed, 22 Jun 2016 15:24:32 +0000
Subject: [PATCH] Import which from spack.util.executable; Fixes #1095

---
 lib/spack/spack/build_environment.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/spack/spack/build_environment.py b/lib/spack/spack/build_environment.py
index 60703a9df9..99c4cae020 100644
--- a/lib/spack/spack/build_environment.py
+++ b/lib/spack/spack/build_environment.py
@@ -63,7 +63,7 @@
 import spack
 from spack.environment import EnvironmentModifications, validate
 from spack.util.environment import *
-from spack.util.executable import Executable
+from spack.util.executable import Executable, which
 
 #
 # This can be set by the user to globally disable parallel builds.