1#serial 4
2
3dnl From Paul Eggert
4
5AC_DEFUN([jm_FUNC_MBRTOWC],
6[
7  AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
8    jm_cv_func_mbrtowc,
9    [AC_TRY_LINK(
10       [#include <wchar.h>],
11       [mbstate_t state; return ! (sizeof state && mbrtowc);],
12       jm_cv_func_mbrtowc=yes,
13       jm_cv_func_mbrtowc=no)])
14  if test $jm_cv_func_mbrtowc = yes; then
15    AC_DEFINE(HAVE_MBRTOWC, 1,
16      [Define to 1 if mbrtowc and mbstate_t are properly declared.])
17  fi
18])
19