From 3d21a36bac3308e6ff53447661b3007458c1d04a Mon Sep 17 00:00:00 2001
From: Christian Hofstaedtler <christian@hofstaedtler.name>
Date: Sun, 27 Jul 2014 02:18:47 +0200
Subject: [PATCH] Always assume HAVE_IPV6

With this Solaris 2.6 and 7 is strictly unsupported, as we remove the
configure.ac special casing for them.
---
 configure.ac        | 12 ------------
 pdns/nameserver.cc  |  3 ---
 pdns/tcpreceiver.cc |  2 --
 3 files changed, 17 deletions(-)

diff --git a/configure.ac b/configure.ac
index c3fa71b5bf..c399645d95 100644
--- a/configure.ac
+++ b/configure.ac
@@ -144,38 +144,26 @@ THREADFLAGS=""
 AM_CONDITIONAL([OS_MACOSX], false)
 case "$host_os" in
 solaris2.10)
-  AC_DEFINE(HAVE_IPV6,1,[If the host operating system understands IPv6])
   LIBS="-lposix4 -lresolv -lnsl -lsocket -lpthread -lrt $LIBS"
   CXXFLAGS="-D_REENTRANT $CXXFLAGS"
   ;;
-
 solaris2.8 | solaris2.9 )
-  AC_DEFINE(NEED_POSIX_TYPEDEF,,[If POSIX typedefs need to be defined])
-  AC_DEFINE(NEED_INET_NTOP_PROTO,,[If your OS is so broken that it needs an additional prototype])
-  AC_DEFINE(HAVE_IPV6,1,[If the host operating system understands IPv6])
-  LIBS="-lposix4 -lresolv -lnsl -lsocket -lpthread $LIBS"
-  CXXFLAGS="-D_REENTRANT $CXXFLAGS"
-  ;;
-solaris2.6 | solaris2.7)
   AC_DEFINE(NEED_POSIX_TYPEDEF,,[If POSIX typedefs need to be defined])
   AC_DEFINE(NEED_INET_NTOP_PROTO,,[If your OS is so broken that it needs an additional prototype])
   LIBS="-lposix4 -lresolv -lnsl -lsocket -lpthread $LIBS"
   CXXFLAGS="-D_REENTRANT $CXXFLAGS"
   ;;
 linux*)
-  AC_DEFINE(HAVE_IPV6,1,[If the host operating system understands IPv6])
   DYNLINKFLAGS="-rdynamic"
   THREADFLAGS="-pthread"
   CXXFLAGS="-D_GNU_SOURCE $CXXFLAGS"
   ;;
 darwin*)
-  AC_DEFINE(HAVE_IPV6,1,[If the host operating system understands IPv6])
   DYNLINKFLAGS="-rdynamic"
   CXXFLAGS="-D__APPLE_USE_RFC_3542 $CXXFLAGS"
   AM_CONDITIONAL([OS_MACOSX], true)
   ;;
 *)
-  AC_DEFINE(HAVE_IPV6,1,[If the host operating system understands IPv6])
   DYNLINKFLAGS="-rdynamic"
   LDFLAGS="-pthread $LDFLAGS"
   CXXFLAGS="-pthread $CXXFLAGS"
diff --git a/pdns/nameserver.cc b/pdns/nameserver.cc
index 6a1bc944f9..f4c20d60e0 100644
--- a/pdns/nameserver.cc
+++ b/pdns/nameserver.cc
@@ -203,7 +203,6 @@ bool AddressIsUs(const ComboAddress& remote)
 
 void UDPNameserver::bindIPv6()
 {
-#if HAVE_IPV6
   vector<string> locals;
   stringtok(locals,::arg()["local-ipv6"]," ,");
   int one=1;
@@ -261,9 +260,7 @@ void UDPNameserver::bindIPv6()
     pfd.revents = 0;
     d_rfds.push_back(pfd);
     L<<Logger::Error<<"UDPv6 server bound to "<<locala.toStringWithPort()<<endl;
-    
   }
-#endif
 }
 
 UDPNameserver::UDPNameserver( bool additional_socket )
diff --git a/pdns/tcpreceiver.cc b/pdns/tcpreceiver.cc
index 302b22dbcb..95feba73b3 100644
--- a/pdns/tcpreceiver.cc
+++ b/pdns/tcpreceiver.cc
@@ -1116,7 +1116,6 @@ TCPNameserver::TCPNameserver()
     d_prfds.push_back(pfd);
   }
 
-#if HAVE_IPV6
   for(vector<string>::const_iterator laddr=locals6.begin();laddr!=locals6.end();++laddr) {
     int s=socket(AF_INET6,SOCK_STREAM,0); 
 
@@ -1157,7 +1156,6 @@ TCPNameserver::TCPNameserver()
 
     d_prfds.push_back(pfd);
   }
-#endif
 }
 
 
-- 
2.47.2