--- objc/Makefile	2018/04/24 19:13:57	1.1
+++ objc/Makefile	2018/04/24 19:14:00	1.1.1.2
@@ -53,7 +53,7 @@ DEBUG_LIBS = $(LIBS)
 PROF_LIBS = $(LIBS)
 
 
-HEADER_PATHS = -I.
+HEADER_PATHS = -I. -I/System/Library/Frameworks/System.framework/PrivateHeaders
 NEXTSTEP_PB_CFLAGS = -pipe
 WINDOWS_PB_CFLAGS = -pipe
 PDO_UNIX_PB_CFLAGS = -pipe