From d03b3b00ac22f32af87a752669a46d9d06ae1561 Mon Sep 17 00:00:00 2001
From: "H.Merijn Brand" <h.m.brand@xs4all.nl>
Date: Tue, 5 Jan 2010 09:36:19 +0100
Subject: [PATCH] FD 4 is not (yet) open at this stage.

Regenerated after backporting 88a6f4fc380d30c40
Please *do* remember to notify the metaconfig folk when directly patching Configure
Bring back Missing parts
---
 Configure        | 23 ++++++++++++++++++++---
 Porting/Glossary |  5 +++++
 config_h.SH      | 22 ++++++++++++++++++++++
 handy.h          |  2 +-
 4 files changed, 48 insertions(+), 4 deletions(-)

diff --git a/Configure b/Configure
index bc78997..ed29551 100755
--- a/Configure
+++ b/Configure
@@ -30,7 +30,7 @@
 
 # $Id: Head.U 6 2006-08-25 22:21:46Z rmanfredi $
 #
-# Generated on Fri Nov  6 07:43:05 CET 2009 [metaconfig 3.5 PL0]
+# Generated on Tue Jan  5 09:34:08 CET 2010 [metaconfig 3.5 PL0]
 # (with additional metaconfig patches by perlbug@perl.org)
 
 cat >c1$$ <<EOF
@@ -58,7 +58,7 @@ true || exec sh $0 $argv:q
 rm -f c1$$ c2$$
 
 if test -f /dev/cputype -a -f /dev/drivers -a -f /dev/osversion; then
-	cat >&4 <<EOF
+	cat <<EOF
 ***
 *** I'm sorry but this system looks like Plan 9 and Plan 9 doesn't do
 *** Configure that well.  (Plan 9 is close to UNIX but not close enough.)
@@ -70,7 +70,7 @@ EOF
 fi
 
 if test ! -c /dev/null ; then
-	cat >&4 <<EOF
+	cat <<EOF
 ***
 *** I'm sorry, but /dev/null appears to be a file rather than a device.
 *** Please consult your operating sytem's notes for making a device
@@ -1232,6 +1232,7 @@ usethreads=''
 incpath=''
 mips_type=''
 usrinc=''
+vaproto=''
 d_vendorarch=''
 installvendorarch=''
 vendorarch=''
@@ -21210,6 +21211,21 @@ case "$usesitecustomize" in
 	;;
     esac
 
+: see if prototypes support variable argument declarations
+echo " "
+case "$prototype$i_stdarg" in
+$define$define)
+	echo "It appears we'll be able to prototype varargs functions." >&4
+	val="$define"
+	;;
+*)
+	echo "Too bad... We won't be using prototyped varargs functions..." >&4
+	val="$undef"
+	;;
+esac
+set vaproto
+eval $setvar
+
 : determine compiler compiler
 case "$yacc" in
 '')
@@ -23279,6 +23295,7 @@ uvsize='$uvsize'
 uvtype='$uvtype'
 uvuformat='$uvuformat'
 uvxformat='$uvxformat'
+vaproto='$vaproto'
 vendorarch='$vendorarch'
 vendorarchexp='$vendorarchexp'
 vendorbin='$vendorbin'
diff --git a/Porting/Glossary b/Porting/Glossary
index 8a40c32..e43fa89 100644
--- a/Porting/Glossary
+++ b/Porting/Glossary
@@ -5096,6 +5096,11 @@ uvXUformat (perlxvf.U):
 	This variable contains the format string used for printing
 	a Perl UV as an unsigned hexadecimal integer in uppercase ABCDEF.
 
+vaproto (vaproto.U):
+	This variable conditionally defines CAN_VAPROTO on systems supporting
+	prototype declaration of functions with a variable number of
+	arguments. See also prototype.
+
 vendorarch (vendorarch.U):
 	This variable contains the value of the PERL_VENDORARCH symbol.
 	It may have a ~ on the front.
diff --git a/config_h.SH b/config_h.SH
index ff4c860..8392c60 100755
--- a/config_h.SH
+++ b/config_h.SH
@@ -894,6 +894,28 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
  */
 #$i_vfork I_VFORK	/**/
 
+/* CAN_VAPROTO:
+ *	This variable is defined on systems supporting prototype declaration
+ *	of functions with a variable number of arguments.
+ */
+/* _V:
+ *	This macro is used to declare function parameters in prototypes for
+ *	functions with a variable number of parameters. Use double parentheses.
+ *	For example:
+ *
+ *		int printf _V((char *fmt, ...));
+ *
+ *	Remember to use the plain simple _() macro when declaring a function
+ *	with no variable number of arguments, since it might be possible to
+ *	have a non-effect _V() macro and still get prototypes via _().
+ */
+#$vaproto CAN_VAPROTO	/**/
+#ifdef CAN_VAPROTO
+#define	_V(args) args
+#else
+#define	_V(args) ()
+#endif
+
 /* INTSIZE:
  *	This symbol contains the value of sizeof(int) so that the C
  *	preprocessor can make decisions based on it.
diff --git a/handy.h b/handy.h
index 848cc0e..63f7fd8 100644
--- a/handy.h
+++ b/handy.h
@@ -208,7 +208,7 @@ typedef U64TYPE U64;
  * GMTIME_MAX	GMTIME_MIN	LOCALTIME_MAX	LOCALTIME_MIN
  * HAS_CTIME64	HAS_LOCALTIME64	HAS_GMTIME64	HAS_DIFFTIME64
  * HAS_MKTIME64	HAS_ASCTIME64	HAS_GETADDRINFO	HAS_GETNAMEINFO
- * HAS_INETNTOP	HAS_INETPTON
+ * HAS_INETNTOP	HAS_INETPTON	CHARBITS
  * Not (yet) used at top level, but mention them for metaconfig
  */
 
-- 
2.7.4