--- objc/PB.project	2018/04/24 19:13:58	1.1.1.1
+++ objc/PB.project	2018/04/24 19:14:19	1.1.1.2
@@ -33,7 +33,7 @@
             typedstream.m
         ); 
         C_FILES = (); 
-        HEADERSEARCH = (.); 
+        HEADERSEARCH = (., /System/Library/Frameworks/System.framework/PrivateHeaders); 
         H_FILES = (
             error.h, 
             HashTable.h,