Edit File: codeset.m4
# codeset.m4 serial 5 (gettext-0.18.2) dnl Copyright (C) 2000-2002, 2006, 2008-2014, 2016 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. 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 ])