# HG changeset patch
# User Jim Meyering <jim@meyering.net>
# Date 947660012 0
# Node ID 9b5fc18f4655671bab2fce8b1cfd16662e134a23
# Parent  2f2084f21cfed84a33f09c3f8a83b032ea12abb9
(jm_PREREQ_QUOTEARG): New macro.
(jm_PREREQ): Use it.

diff --git a/m4/prereq.m4 b/m4/prereq.m4
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -6,10 +6,21 @@
 AC_DEFUN(jm_PREREQ,
 [
   jm_PREREQ_ERROR
+  jm_PREREQ_QUOTEARG
   jm_PREREQ_REGEX
 ])
 
 dnl FIXME: maybe put this in a separate file
+AC_DEFUN(jm_PREREQ_QUOTEARG,
+[
+  AC_CHECK_FUNCS(isascii mbrtowc)
+  AC_CHECK_HEADERS(limits.h stdlib.h string.h wchar.h)
+  AC_HEADER_STDC
+  AC_C_BACKSLASH_A
+  AM_C_PROTOTYPES
+])
+
+dnl FIXME: maybe put this in a separate file
 AC_DEFUN(jm_PREREQ_REGEX,
 [
   dnl FIXME: Maybe provide a btowc replacement someday: solaris-2.5.1 lacks it.