|  | # codeset.m4 serial 5 (gettext-0.18.2) | 
|  | dnl Copyright (C) 2000-2002, 2006, 2008-2014, 2016, 2019-2022 Free Software | 
|  | dnl 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. | 
|  |  | 
|  | dnl From Bruno Haible. | 
|  |  | 
|  | AC_DEFUN([AM_LANGINFO_CODESET], | 
|  | [ | 
|  | AC_CACHE_CHECK([for nl_langinfo and CODESET], [am_cv_langinfo_codeset], | 
|  | [AC_LINK_IFELSE( | 
|  | [AC_LANG_PROGRAM( | 
|  | [[#include <langinfo.h>]], | 
|  | [[char* cs = nl_langinfo(CODESET); return !cs;]])], | 
|  | [am_cv_langinfo_codeset=yes], | 
|  | [am_cv_langinfo_codeset=no]) | 
|  | ]) | 
|  | if test $am_cv_langinfo_codeset = yes; then | 
|  | AC_DEFINE([HAVE_LANGINFO_CODESET], [1], | 
|  | [Define if you have <langinfo.h> and nl_langinfo(CODESET).]) | 
|  | fi | 
|  | ]) |