diff --git a/setup.py b/setup.py
index 639b42f..4921ded 100644
--- a/setup.py
+++ b/setup.py
@@ -1118,6 +1118,14 @@
         else:
             missing.append('ossaudiodev')
 
+        if sys.platform == 'darwin':
+            exts.append(
+                       Extension('_gestalt', ['_gestalt.c'],
+                       extra_link_args=['-framework', 'Carbon'])
+                       )
+        else:
+            missing.append('_gestalt')
+
         self.extensions.extend(exts)
 
         # Call the method for detecting whether _tkinter can be compiled