Index: ext/libicpf/src/gen_types.h
===================================================================
diff -u -N -r0a8f8213227aae4dd9dbfe5078b80b3a15bc030c -r715fea7874b61921a42db6e8925029a69f678b89
--- ext/libicpf/src/gen_types.h	(.../gen_types.h)	(revision 0a8f8213227aae4dd9dbfe5078b80b3a15bc030c)
+++ ext/libicpf/src/gen_types.h	(.../gen_types.h)	(revision 715fea7874b61921a42db6e8925029a69f678b89)
@@ -143,6 +143,13 @@
 /// untyped pointer
 typedef void*				ptr_t;
 
+/// std::string or std::wstring dependent on _UNICODE macro
+#ifdef _UNICODE
+	#define tstring std::wstring
+#else
+	#define tstring std::string
+#endif
+
 // formatting-related macros
 // chars
 /// Printf-style format string for displaying char_t value (as char)