diff --git a/lib/spack/spack/build_environment.py b/lib/spack/spack/build_environment.py
index 4f4ca26cbc..073f73a91a 100644
--- a/lib/spack/spack/build_environment.py
+++ b/lib/spack/spack/build_environment.py
@@ -366,7 +366,8 @@ def get_rpaths(pkg):
                   if os.path.isdir(d.prefix.lib64))
     # Second module is our compiler mod name. We use that to get rpaths from
     # module show output. 
-    rpaths.append(get_path_from_module(pkg.compiler.modules[1]))
+    if pkg.compiler.modules and len(pkg.compiler.modules > 1):
+        rpaths.append(get_path_from_module(pkg.compiler.modules[1]))
     return rpaths
 
 
diff --git a/lib/spack/spack/concretize.py b/lib/spack/spack/concretize.py
index 7ea8ea6928..7a24c1135e 100644
--- a/lib/spack/spack/concretize.py
+++ b/lib/spack/spack/concretize.py
@@ -210,7 +210,6 @@ def _concretize_target(self, spec):
                 spec.architecture.target = spec.root.architecture.target
         else:
             spec.architecture.target = spec.architecture.platform.target('default_target')
-        print spec.architecture, spec.architecture.platform, spec.architecture.platform_os, spec.architecture.target
         return True #changed
 
     def _concretize_platform(self, spec):