$OpenBSD$

index 2b2b53a..24118cd 100644
--- python/mozbuild/mozbuild/test/test_base.py.orig	Fri Feb 20 15:40:38 2015
+++ python/mozbuild/mozbuild/test/test_base.py	Fri Feb 20 15:40:38 2015
@@ -7,6 +7,7 @@ from __future__ import unicode_literals
 import json
 import os
 import shutil
+import subprocess
 import sys
 import tempfile
 import unittest
@@ -75,7 +76,10 @@ class TestMozbuildObject(unittest.TestCase):
     def test_objdir_config_status(self):
         """Ensure @CONFIG_GUESS@ is handled when loading mozconfig."""
         base = self.get_base()
-        guess = base._config_guess
+        cmd = base._normalize_command(
+            [os.path.join(topsrcdir, 'build', 'autoconf', 'config.guess')],
+            True)
+        guess = subprocess.check_output(cmd, cwd=topsrcdir).strip()
 
         # There may be symlinks involved, so we use real paths to ensure
         # path consistency.