* regex.m4 (gl_REGEX): Check whether off_t can be used in a switch

[gnulib.git] / m4 / strchrnul.m4

diff --git a/m4/strchrnul.m4 b/m4/strchrnul.m4
index 565e338..8492b9f 100644 (file)
--- a/m4/strchrnul.m4
+++ b/m4/strchrnul.m4
@@ -1,10 +1,8 @@
-# strchrnul.m4 serial 1
+# strchrnul.m4 serial 3
 dnl Copyright (C) 2003 Free Software Foundation, Inc.
-dnl This file is free software, distributed under the terms of the GNU
-dnl General Public License.  As a special exception to the GNU General
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
+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_FUNC_STRCHRNUL],
 [
@@ -18,6 +16,4 @@ AC_DEFUN([gl_FUNC_STRCHRNUL],
 ])
 
 # Prerequisites of lib/strchrnul.c.
-AC_DEFUN([gl_PREREQ_STRCHRNUL], [
-  AC_CHECK_HEADERS_ONCE(string.h)
-])
+AC_DEFUN([gl_PREREQ_STRCHRNUL], [:])