diff --git a/magick/magick-config.h b/magick/magick-config.h
index af13311..db6c5c3 100644
--- a/magick/magick-config.h
+++ b/magick/magick-config.h
@@ -321,6 +321,9 @@
 #define MAGICKCORE_HAVE_FORK 1
 #endif
 
+/* Define to 1 if you have the `fprintf_l' function. */
+/* #undef HAVE_FPRINTF_L */
+
 /* Define to 1 if fseeko (and presumably ftello) exists and is declared. */
 #ifndef MAGICKCORE_HAVE_FSEEKO
 #define MAGICKCORE_HAVE_FSEEKO 1
@@ -1015,6 +1018,9 @@
 #define MAGICKCORE_HAVE_VSNPRINTF 1
 #endif
 
+/* Define to 1 if you have the `vsnprintf_l' function. */
+/* #undef HAVE_VSNPRINTF_L */
+
 /* Define to 1 if you have the `vsprintf' function. */
 #ifndef MAGICKCORE_HAVE_VSPRINTF
 #define MAGICKCORE_HAVE_VSPRINTF 1