From cd511791d19929dbd5ce4916e72e194f9b9f131f Mon Sep 17 00:00:00 2001
From: Massimiliano Culpo <massimiliano.culpo@googlemail.com>
Date: Thu, 12 Jan 2017 18:11:48 +0100
Subject: configure and build command: fix the stop iteration semantics

- broke somewhere between bdf48322696290d4e3d00ed12b7c7fe6ca213478 (#2810) and 17b13b161b3ddcd691ea7ed90165cfab6dec3950
---
 lib/spack/spack/build_environment.py | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'lib')

diff --git a/lib/spack/spack/build_environment.py b/lib/spack/spack/build_environment.py
index 67b00c6749..7046c81c2f 100644
--- a/lib/spack/spack/build_environment.py
+++ b/lib/spack/spack/build_environment.py
@@ -553,6 +553,11 @@ def fork(pkg, function, dirty=False):
             setup_package(pkg, dirty=dirty)
             function(input_stream)
             child_connection.send(None)
+        except StopIteration as e:
+            # StopIteration is used to stop installations
+            # before the final stage, mainly for debug purposes
+            tty.msg(e.message)
+            child_connection.send(None)
         except:
             # catch ANYTHING that goes wrong in the child process
             exc_type, exc, tb = sys.exc_info()
-- 
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