# HG changeset patch
# User Alex Gaynor <alex.gaynor@gmail.com>
# Date 2014-07-05 14:31:08
# Node ID f266be73f764120e50468e7f176a1bc904cded3d
# Parent  2392b9e1936628faeec818368169a68b1fadd95f

setup: fixed for Pythons which don't have a CFLAGS

Specifically this is observed to happen on the PyPy one gets from homebrew

diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -534,7 +534,7 @@ if sys.platform == 'darwin' and os.path.
     # so Mercurial can continue to compile in the meantime.
     if xcode51:
         cflags = get_config_var('CFLAGS')
-        if re.search(r'-mno-fused-madd\b', cflags) is not None:
+        if cflags and re.search(r'-mno-fused-madd\b', cflags) is not None:
             os.environ['CFLAGS'] = (
                 os.environ.get('CFLAGS', '') + ' -Qunused-arguments')