xref: /Universal-ctags/m4/codeset.m4 (revision 820c1a8d46849a90376d8eb15b319ac05439f656)
1*820c1a8dSHiroo HAYASHI# codeset.m4 serial 5 (gettext-0.18.2)
2*820c1a8dSHiroo HAYASHIdnl Copyright (C) 2000-2002, 2006, 2008-2014, 2016, 2019-2021 Free Software
3*820c1a8dSHiroo HAYASHIdnl Foundation, Inc.
4*820c1a8dSHiroo HAYASHIdnl This file is free software; the Free Software Foundation
5*820c1a8dSHiroo HAYASHIdnl gives unlimited permission to copy and/or distribute it,
6*820c1a8dSHiroo HAYASHIdnl with or without modifications, as long as this notice is preserved.
7*820c1a8dSHiroo HAYASHI
8*820c1a8dSHiroo HAYASHIdnl From Bruno Haible.
9*820c1a8dSHiroo HAYASHI
10*820c1a8dSHiroo HAYASHIAC_DEFUN([AM_LANGINFO_CODESET],
11*820c1a8dSHiroo HAYASHI[
12*820c1a8dSHiroo HAYASHI  AC_CACHE_CHECK([for nl_langinfo and CODESET], [am_cv_langinfo_codeset],
13*820c1a8dSHiroo HAYASHI    [AC_LINK_IFELSE(
14*820c1a8dSHiroo HAYASHI       [AC_LANG_PROGRAM(
15*820c1a8dSHiroo HAYASHI          [[#include <langinfo.h>]],
16*820c1a8dSHiroo HAYASHI          [[char* cs = nl_langinfo(CODESET); return !cs;]])],
17*820c1a8dSHiroo HAYASHI       [am_cv_langinfo_codeset=yes],
18*820c1a8dSHiroo HAYASHI       [am_cv_langinfo_codeset=no])
19*820c1a8dSHiroo HAYASHI    ])
20*820c1a8dSHiroo HAYASHI  if test $am_cv_langinfo_codeset = yes; then
21*820c1a8dSHiroo HAYASHI    AC_DEFINE([HAVE_LANGINFO_CODESET], [1],
22*820c1a8dSHiroo HAYASHI      [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
23*820c1a8dSHiroo HAYASHI  fi
24*820c1a8dSHiroo HAYASHI])
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