-#serial 1
+#serial 4
dnl autoconf tests required for use of mbswidth.c
dnl From Bruno Haible.
AC_REQUIRE([AC_HEADER_STDC])
AC_REQUIRE([AM_C_PROTOTYPES])
AC_CHECK_HEADERS(limits.h stdlib.h string.h wchar.h wctype.h)
- AC_CHECK_FUNCS(isascii iswprint mbrtowc wcwidth)
+ AC_CHECK_FUNCS(isascii iswprint wcwidth)
+ jm_FUNC_MBRTOWC
+ headers='
+# if HAVE_WCHAR_H
+# include <wchar.h>
+# endif
+'
+ AC_CHECK_DECLS([wcwidth], , , $headers)
AC_MBSTATE_T
])