Issue #21811: Anticipated fixes to 3.x and 2.7 for OS X 10.10 Yosemite.

1 files changed, 3 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 2b4119a413..a46bf35eb4 100644
--- a/setup.py
+++ b/setup.py
@@ -733,7 +733,9 @@ class PyBuildExt(build_ext):
         if host_platform == 'darwin':
             os_release = int(os.uname()[2].split('.')[0])
             dep_target = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET')
-            if dep_target and dep_target.split('.') < ['10', '5']:
+            if (dep_target and
+                    (tuple(int(n) for n in dep_target.split('.')[0:2])
+                        < (10, 5) ) ):
                 os_release = 8
             if os_release < 9:
                 # MacOSX 10.4 has a broken readline. Don't try to build