--- configure.orig	2015-10-08 12:14:23.000000000 -0700
+++ configure	2015-10-27 10:49:04.338642000 -0700
@@ -3672,7 +3672,7 @@
       ;;
     *)
 
-$as_echo "#define _XOPEN_SOURCE 600" >>confdefs.h
+$as_echo "#define _XOPEN_SOURCE 700" >>confdefs.h
 
       ;;
   esac
@@ -3694,7 +3694,7 @@
   esac
 
 
-$as_echo "#define _POSIX_C_SOURCE 200112L" >>confdefs.h
+$as_echo "#define _POSIX_C_SOURCE 200809L" >>confdefs.h
 
 
 fi