From: Fabian Keil <fk@fabiankeil.de>
Date: Tue, 19 Apr 2011 11:42:51 +0000 (+0000)
Subject: Add a --disable-ipv6-support switch for platforms where support is detected but doesn... 
X-Git-Tag: v_3_0_18~259
X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=commitdiff_plain;h=cce59922fb749693e74882cb52ced0fb43b652c7

Add a --disable-ipv6-support switch for platforms where support is detected but doesn't actually work.
---

diff --git a/configure.in b/configure.in
index 42e0fb59..cfae585e 100644
--- a/configure.in
+++ b/configure.in
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 dnl 
-dnl $Id: configure.in,v 1.150 2011/04/16 17:28:15 fabiankeil Exp $
+dnl $Id: configure.in,v 1.151 2011/04/19 11:42:12 fabiankeil Exp $
 dnl 
 dnl Written by and Copyright (C) 2001-2010 the
 dnl Privoxy team. http://www.privoxy.org/
@@ -32,7 +32,7 @@ dnl =================================================================
 dnl AutoConf Initialization
 dnl =================================================================
 
-AC_REVISION($Revision: 1.150 $)
+AC_REVISION($Revision: 1.151 $)
 AC_INIT(jcc.c)
 
 if test ! -f config.h.in; then
@@ -714,7 +714,16 @@ dnl AC_FUNC_STAT
 AC_CHECK_FUNCS([access atexit getcwd gethostbyaddr gethostbyaddr_r gethostbyname gethostbyname_r gettimeofday inet_ntoa localtime_r memchr memmove memset poll putenv random regcomp select setlocale snprintf socket strchr strdup strerror strftime strlcat strlcpy strptime strstr strtoul timegm tzset])
 
 dnl Checks for RFC 2553 resolver and socket functions
-if test $target_type = mingw; then
+AC_ARG_ENABLE(ipv6-support,
+[  --disable-ipv6-support          Disable IPv6 support and other RFC-2554-related improvements],
+[if test $enableval = yes; then
+  enable_ipv6_support=yes
+fi], enable_ipv6_support=yes)
+
+if test $enable_ipv6_support != yes; then
+  AC_MSG_WARN([Skipping checks for IPv6 support and other RFC-2554-related improvements.
+    Due to lock contention, this may result in slower DNS resolution for IPv4 setups, too.])
+elif test $target_type = mingw; then
   AC_CHECK_LIB(ws2_32, main)
 
   AC_MSG_CHECKING(getaddrinfo in ws2_32)