From ab1d39a6851403e58bcb96f46ff96313606f8f2b Mon Sep 17 00:00:00 2001
From: Richard Maw <richard.maw@codethink.co.uk>
Date: Tue, 13 Mar 2012 16:25:37 +0000
Subject: morphlib.builder.Builder: PREFIX changes cache-key

Add PREFIX to the whitelist of environment variables that
can affect the cache keys.
---
 morphlib/builder.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'morphlib/builder.py')

diff --git a/morphlib/builder.py b/morphlib/builder.py
index c35d0c41..308734c0 100644
--- a/morphlib/builder.py
+++ b/morphlib/builder.py
@@ -544,7 +544,7 @@ class Builder(object): # pragma: no cover
         self.indent = 0
         # create build environment string in advance
         env_names = ("USER", "USERNAME", "LOGNAME",
-                     "TOOLCHAIN_TARGET", "BOOTSTRAP")
+                     "TOOLCHAIN_TARGET", "PREFIX", "BOOTSTRAP")
         env = app.clean_env()
         self.build_env = ''.join(k + env[k] for k in env_names)
 
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