Subzero: Remove the need for a separate NaCl SDK.

pydir/utils.py

Index: pydir/utils.py
diff --git a/pydir/utils.py b/pydir/utils.py
index 57849a4c7c0776eee7f93eba55fbc4a745f0ff78..33b58e9104baa0c0227fe37869dadcff0aa71937 100644
--- a/pydir/utils.py
+++ b/pydir/utils.py
@@ -1,3 +1,4 @@
+import os
 import subprocess
 import sys
 
@@ -10,3 +11,12 @@ def shellcmd(command, echo=True):
     stdout_result = subprocess.check_output(command, shell=True)
     if echo: sys.stdout.write(stdout_result)
     return stdout_result
+
+def FindBaseNaCl():
+    """Find the base native_client/ directory."""
+    nacl = 'native_client'
+    path_list = os.getcwd().split(os.sep)
+    if nacl not in path_list:
+        return None
+    last_index = len(path_list) - path_list[::-1].index(nacl)
+    return os.sep.join(path_list[:last_index])