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--- ./gl/m4/strnlen.m4.orig 2009-11-15 15:34:14.000000000 -0500
+++ ./gl/m4/strnlen.m4 2009-11-15 15:34:14.000000000 -0500
@@ -0,0 +1,31 @@
+# strnlen.m4 serial 10
+dnl Copyright (C) 2002-2003, 2005-2007, 2009 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_STRNLEN],
+[
+ dnl Persuade glibc <string.h> to declare strnlen().
+ AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
+ dnl AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
+ AC_CHECK_DECLS_ONCE([strnlen])
+ if test $ac_cv_have_decl_strnlen = no; then
+ HAVE_DECL_STRNLEN=0
+ fi
+
+ AC_FUNC_STRNLEN
+ if test $ac_cv_func_strnlen_working = no; then
+ # This is necessary because automake-1.6.1 doesn't understand
+ # that the above use of AC_FUNC_STRNLEN means we may have to use
+ # lib/strnlen.c.
+ #AC_LIBOBJ([strnlen])
+ AC_DEFINE([strnlen], [rpl_strnlen],
+ [Define to rpl_strnlen if the replacement function should be used.])
+ gl_PREREQ_STRNLEN
+ fi
+])
+
+# Prerequisites of lib/strnlen.c.
+AC_DEFUN([gl_PREREQ_STRNLEN], [:])
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