diff --git a/osx/config.h b/osx/config.h
index 64566891c..ef55f845b 100644
--- a/osx/config.h
+++ b/osx/config.h
@@ -10,6 +10,9 @@
 /* Define to 1 if you have the <curses.h> header file. */
 #define HAVE_CURSES_H 1
 
+/* define if the compiler supports basic C++11 syntax */
+#define HAVE_CXX11 1
+
 /* Define to 1 if you have the <dirent.h> header file, and it defines `DIR'.
    */
 #define HAVE_DIRENT_H 1
@@ -65,6 +68,9 @@
 /* Define to 1 if you have the <ndir.h> header file, and it defines `DIR'. */
 /* #undef HAVE_NDIR_H */
 
+/* Define to 1 if the shm_open() function exists */
+#define HAVE_SHM_OPEN 1
+
 /* Define to 1 if you have the <siginfo.h> header file. */
 /* #undef HAVE_SIGINFO_H */
 
@@ -190,9 +196,6 @@
 /* Perform string translations with gettext */
 /* #undef USE_GETTEXT */
 
-/* Define to 1 if the shm_open() function exists. */
-#define HAVE_SHM_OPEN 1
-
 /* Enable extensions on AIX 3, Interix.  */
 #ifndef _ALL_SOURCE
 # define _ALL_SOURCE 1