Re: IPv6 detection

Peter Eisentraut wrote:
> Bruce Momjian writes:
> 
> > The IPv6 patch currently checks for the function getaddrinfo() and the
> > include file netinet/ip6.h.
> 
> getaddrinfo() has nothing to do with IPv6, and netinet/ip6.h isn't
> included anywhere, so why check for it?
> 
> I believe we would need to check for a combination of
> 
> getaddrinfo()
> inet_ntop()/inet_pton()
> AF_INET6
> struct sockaddr_in6
> 
> Then again, it might be simpler to make it a configure option
> (--enable-ipv6) and just assume all those things exist.  Over time the
> interfaces might stabilize.
> 
> However, even when IPv6 support is compiled in, we still need some
> run-time control about whether it should get activated because the
> presence of the programming interfaces doesn't tell you anything about
> whether the run-time environment supports it.
> 

I changed the check for sockaddr_in6, rather than ip6.h.  Let's see how
that works.  I would like to have this automatic rather than adding yet
another configure flag.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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