(jm_PREREQ_QUOTEARG): Use jm_FUNC_MBRTOWC, not AC_CHECK_FUNCS(mbrtowc).

diff --git a/m4/prereq.m4 b/m4/prereq.m4
index 45e3efcf4225b6506294179ddebf767bda6f4ba7..3e9c94ba6ea04e8357616e78375a307c76c3976c 100644 (file)
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -77,7 +77,8 @@ AC_DEFUN(jm_PREREQ_MEMCHR,
 
 AC_DEFUN(jm_PREREQ_QUOTEARG,
 [
-  AC_CHECK_FUNCS(isascii iswprint mbrtowc)
+  AC_CHECK_FUNCS(isascii iswprint)
+  jm_FUNC_MBRTOWC
   AC_CHECK_HEADERS(limits.h stddef.h stdlib.h string.h wchar.h wctype.h)
   AC_HEADER_STDC
   AC_C_BACKSLASH_A