diff --git a/include/wx_pb.h b/include/wx_pb.h
index 4664e03359..d8e1e0939a 100644
--- a/include/wx_pb.h
+++ b/include/wx_pb.h
@@ -12,3 +12,9 @@
 #define HAVE_USLEEP 1
 #define HAVE_FCNTL  1
 #define SIZEOF_INT 4
+#define SIZEOF_WCHAR_T 4
+#define TARGET_CARBON 1
+#define HAVE_WCHAR_H 1
+#define HAVE_WPRINTF 1
+#define HAVE_VSWPRINTF 1
+#define HAVE_STRCASECMP_IN_STRING_H 1