diff --git a/osx/config.h b/osx/config.h
index 4431c9c2a..743e53a43 100644
--- a/osx/config.h
+++ b/osx/config.h
@@ -5,7 +5,7 @@
 #define HAVE_BACKTRACE_SYMBOLS 1
 
 /* Define to 1 if you have the `clock_gettime' function. */
-#define HAVE_CLOCK_GETTIME 1
+/* #undef HAVE_CLOCK_GETTIME */
 
 /* Define to 1 if you have the <curses.h> header file. */
 #define HAVE_CURSES_H 1
@@ -60,7 +60,7 @@
 #define HAVE_MEMORY_H 1
 
 /* Define to 1 if you have the `mkostemp' function. */
-#define HAVE_MKOSTEMP 1
+/* #undef HAVE_MKOSTEMP */
 
 /* Define to 1 if you have the <ncurses/curses.h> header file. */
 /* #undef HAVE_NCURSES_CURSES_H */
@@ -157,6 +157,12 @@
 /* Define to 1 if you have the <unistd.h> header file. */
 #define HAVE_UNISTD_H 1
 
+/* Define to 1 if you have the `wcscasecmp' function. */
+#define HAVE_WCSCASECMP 1
+
+/* Define to 1 if you have the `wcsdup' function. */
+#define HAVE_WCSDUP 1
+
 /* Define to 1 if you have the `wcslcpy' function. */
 #define HAVE_WCSLCPY 1