strnlen.m4
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strnlen.m4
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	# strnlen.m4 serial 13
	dnl Copyright (C) 2002-2003, 2005-2007, 2009-2011 Free Software Foundation,
	dnl 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],
	[
	AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])

	dnl Persuade glibc <string.h> to declare strnlen().
	AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

	AC_CHECK_DECLS_ONCE([strnlen])
	if test $ac_cv_have_decl_strnlen = no; then
	HAVE_DECL_STRNLEN=0
	else
	m4_pushdef([AC_LIBOBJ], [:])
	dnl Note: AC_FUNC_STRNLEN does AC_LIBOBJ([strnlen]).
	AC_FUNC_STRNLEN
	m4_popdef([AC_LIBOBJ])
	if test $ac_cv_func_strnlen_working = no; then
	REPLACE_STRNLEN=1
	fi
	fi
	])

	# Prerequisites of lib/strnlen.c.
	AC_DEFUN([gl_PREREQ_STRNLEN], [:])