# HG changeset patch
# User Jim Meyering <jim@meyering.net>
# Date 961794135 0
# Node ID 0a343588ab02c8451df02a059dbe5b39d1e7f2e4
# Parent  a2dc7794f0609c59cef9577afce09b140ee1efcf
(jm_PREREQ_QUOTEARG): Use AC_MBSTATE_T_OBJECT.  Add check for iswprint.

diff --git a/m4/prereq.m4 b/m4/prereq.m4
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -56,10 +56,11 @@
 
 AC_DEFUN(jm_PREREQ_QUOTEARG,
 [
-  AC_CHECK_FUNCS(isascii mbrtowc)
+  AC_CHECK_FUNCS(isascii iswprint mbrtowc)
   AC_CHECK_HEADERS(limits.h stdlib.h string.h wchar.h wctype.h)
   AC_HEADER_STDC
   AC_C_BACKSLASH_A
+  AC_MBSTATE_T_OBJECT
   AM_C_PROTOTYPES
 ])