AC_DEFUN(jm_FUNC_MBRTOWC,
[
- AC_MSG_CHECKING([for mbrtowc])
+ AC_MSG_CHECKING([whether mbrtowc and mbstate_t are declared])
AC_CACHE_VAL(jm_cv_func_mbrtowc,
[AC_TRY_LINK(
[#include <wchar.h>],
- [return !mbrtowc;],
+ [mbstate_t state; return ! (sizeof state && mbrtowc);],
[jm_cv_func_mbrtowc=yes],
[jm_cv_func_mbrtowc=no])])
if test $jm_cv_func_mbrtowc = yes; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_MBRTOWC, 1,
- [Define to 1 if mbrtowc exists and is properly declared.])
+ [Define to 1 if mbrtowc and mbstate_t are properly declared.])
fi
])