From 6e074a196a25f5737e50c57bf64b1d452245ef50 Mon Sep 17 00:00:00 2001
From: Todd Gamblin <tgamblin@llnl.gov>
Date: Mon, 14 Dec 2015 21:06:32 -0800
Subject: [PATCH] Fix #206: need to make deps AND root concrete when read in.

---
 lib/spack/spack/directory_layout.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/spack/spack/directory_layout.py b/lib/spack/spack/directory_layout.py
index 056606b429..a434dad5c4 100644
--- a/lib/spack/spack/directory_layout.py
+++ b/lib/spack/spack/directory_layout.py
@@ -212,8 +212,10 @@ def read_spec(self, path):
             spec = Spec.from_yaml(f)
 
         # Specs read from actual installations are always concrete
-        spec._normal = True
-        spec._concrete = True
+        for s in spec.traverse():
+            s._normal = True
+            s._concrete = True
+
         return spec