BIND9 built w/--disable-ipv6 on 8.1-STABLE

[Mark Kamichoff]

Hi - 

I just noticed (well, via a discussion in #ipv6 on freenode) that the
default configure arguments for BIND9 on 8.1 include '--disable-ipv6'.

% grep CONFIGARGS /usr/src/usr.sbin/named/Makefile 
CONFIGARGS='--prefix=/usr' '--infodir=/usr/share/info'
'--mandir=/usr/share/man' '--enable-threads' '--disable-ipv6'
'--enable-getifaddrs' '--disable-linux-caps' '--with-openssl=/usr'
'--with-randomdev=/dev/random'

This results in BIND9 not listening on IPv6 sockets, even if the
listen-on-v6 directive is explicitly configured in the configuration
file.  Even worse, and why I didn't pick up on it until now, is that no
warnings or errors are emitted about this during startup, although I
suppose that is more of a BIND problem than a FreeBSD one.  Strangely
enough, the control socket still listens on ::1 in addition to
127.0.0.1.

Does anyone know why this was done, or if there's any harm in reenabling
it and rebuilding?

- Mark

-- 
Mark Kamichoff
prox at prolixium.com
http://www.prolixium.com/
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