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Date: Wed, 07 Jan 2009 13:04:36 +0000
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To: Kalle Sommer Nielsen <kalle@php.net>
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	Content preview:  Hi Kalle, Kalle Sommer Nielsen wrote: > Hi Scott > > 2009/1/7
	Scott MacVicar <scott@macvicar.net>: >> I went to look at the bug Pierre
	mention earlier and noticed that >> dns_get_record isn't implemented on OS
	X, this looks to be down to the fact >> that it has a bind 8 BC layer that
	we use by default for some reason. I >> tried to make it use the bind 9 interface
	but it wasn't a simple task as >> some other things were missing. >> >> End
	result here is a patch that allows bind 8 to work and therefore OS X, >>
	the main difference is that there is a shared _res structure rather than a
	>> per request one. > > Does this mean it will also work on BSD? As far I
	remember then > dns_get_record wasn't implemented on BSD aswell. If not then
	it would > be ideal to support it if OSX is patched :) [...] 
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Subject: Re: [PHP-DEV] dns_get_record for OSX
From: scott@macvicar.net (Scott MacVicar)

Hi Kalle,
Kalle Sommer Nielsen wrote:
> Hi Scott
> 
> 2009/1/7 Scott MacVicar <scott@macvicar.net>:
>> I went to look at the bug Pierre mention earlier and noticed that
>> dns_get_record isn't implemented on OS X, this looks to be down to the fact
>> that it has a bind 8 BC layer that we use by default for some reason. I
>> tried to make it use the bind 9 interface but it wasn't a simple task as
>> some other things were missing.
>>
>> End result here is a patch that allows bind 8 to work and therefore OS X,
>> the main difference is that there is a shared _res structure rather than a
>> per request one.
> 
> Does this mean it will also work on BSD? As far I remember then
> dns_get_record wasn't implemented on BSD aswell. If not then it would
> be ideal to support it if OSX is patched :)

Yeah it would work on all of the BSDs, though we have some wierd
bastardisation of bind8 and bind9 code in dns.c, I think some gentle
refactoring is in order to get this in a bit better shape.

OS X actually has res_nmkquery but AC_CHECK_FUNC can't correctly detect
this because of the way its defined in resolv.h, it's something like this.

#define res_nmkquery bind_9_nmkquery

AC_CHECK_FUNC does an #undef res_nmkquery as part of its test resulting
in the failure.

FreeBSD has __res_nmkquery but unfortunately PHP_CHECK_FUNC when
checking for res_nmkquery OR __res_nmkquery it doesn't tell you which
one it found.

I'll fix this in stages I guess, starting with the autoconf fun.

Scott