--- configure.orig	2015-10-08 19:14:23 UTC
+++ configure
@@ -3672,7 +3672,7 @@ $as_echo "#define _XOPEN_SOURCE 500" >>c
       ;;
     *)
 
-$as_echo "#define _XOPEN_SOURCE 600" >>confdefs.h
+$as_echo "#define _XOPEN_SOURCE 700" >>confdefs.h
 
       ;;
   esac
@@ -3694,7 +3694,7 @@ $as_echo "#define _XOPEN_SOURCE_EXTENDED
   esac
 
 
-$as_echo "#define _POSIX_C_SOURCE 200112L" >>confdefs.h
+$as_echo "#define _POSIX_C_SOURCE 200809L" >>confdefs.h
 
 
 fi