X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/bd358779861f265a7acff31ead40172735af693e..3a12f2ed99734eff668f83f630c7108000e0b399:/m4/sys_types_h.m4

diff --git a/m4/sys_types_h.m4 b/m4/sys_types_h.m4
index 6132727f87..9748905b59 100644
--- a/m4/sys_types_h.m4
+++ b/m4/sys_types_h.m4
@@ -1,10 +1,10 @@
-# sys_types_h.m4 serial 4
-dnl Copyright (C) 2011-2013 Free Software Foundation, Inc.
+# sys_types_h.m4 serial 5
+dnl Copyright (C) 2011-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
-AC_DEFUN([gl_SYS_TYPES_H],
+AC_DEFUN_ONCE([gl_SYS_TYPES_H],
 [
   AC_REQUIRE([gl_SYS_TYPES_H_DEFAULTS])
   gl_NEXT_HEADERS([sys/types.h])