1# mbchar.m4 serial 4
2dnl Copyright (C) 2005-2006 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7dnl autoconf tests required for use of mbchar.m4
8dnl From Bruno Haible.
9
10AC_DEFUN([gl_MBCHAR],
11[
12  AC_REQUIRE([AC_GNU_SOURCE])
13  dnl The following line is that so the user can test HAVE_WCHAR_H
14  dnl before #include "mbchar.h".
15  AC_CHECK_HEADERS_ONCE([wchar.h])
16  dnl Compile mbchar.c only if HAVE_WCHAR_H.
17  if test $ac_cv_header_wchar_h = yes; then
18    AC_LIBOBJ([mbchar])
19    dnl Prerequisites of mbchar.h and mbchar.c.
20    AC_CHECK_HEADERS_ONCE([wctype.h])
21    AC_CHECK_FUNCS([iswcntrl])
22  fi
23])
24