-# memmem.m4 serial 1
-dnl Copyright (C) 2002, 2003, 2004 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.
+# memmem.m4 serial 4
+dnl Copyright (C) 2002, 2003, 2004, 2007 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_FUNC_MEMMEM],
[
dnl Persuade glibc <string.h> to declare memmem().
AC_REQUIRE([AC_GNU_SOURCE])
+ AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
AC_REPLACE_FUNCS(memmem)
AC_CHECK_DECLS_ONCE(memmem)
+ if test $ac_cv_have_decl_memmem = no; then
+ HAVE_DECL_MEMMEM=0
+ fi
gl_PREREQ_MEMMEM
])