(jm_PREREQ_MBSWIDTH):

Use jm_FUNC_MBRTOWC, not AC_CHECK_FUNCS(mbrtowc).

diff --git a/m4/mbswidth.m4 b/m4/mbswidth.m4
index d750c87..f49e571 100644 (file)
--- a/m4/mbswidth.m4
+++ b/m4/mbswidth.m4
@@ -8,7 +8,8 @@ AC_DEFUN(jm_PREREQ_MBSWIDTH,
   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>