Re: [PATCHES] Use non-deprecated APIs for dynloader/darwin.c - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: [PATCHES] Use non-deprecated APIs for dynloader/darwin.c
Date
Msg-id 200704022059.l32Kx8h13344@momjian.us
Whole thread Raw
In response to Re: [PATCHES] Use non-deprecated APIs for dynloader/darwin.c  (Chris Campbell <chris@bignerdranch.com>)
Responses Re: [PATCHES] Use non-deprecated APIs for dynloader/darwin.c
List pgsql-hackers
Ah, I already had this on the TODO list with URLs, so I will not put it
in the hold queue.

---------------------------------------------------------------------------

Chris Campbell wrote:
> On Oct 8, 2006, at 14:29, Tom Lane wrote:
> 
> > Looks good, but I don't think we want to abandon OSX 10.2 support
> > just yet.  I'll revise this to use a configure probe for dlopen.
> 
> Maybe we can abandon Mac OS X 10.2 in 8.3 and later? And not back- 
> port these patches to the 7.x, 8.0, and 8.1 branches?
> 
> BTW, I think the configure probe (only on Darwin, correct?) should  
> test for the existence of <dlfcn.h>.
> 
> > My inclination is to apply this one now, since it only affects OSX
> > and should be easily testable, but to hold off on your other patch
> > for portable Bonjour support until 8.3 devel starts.  The portability
> > implications of that one are unclear, and I don't know how to test it
> > either, so I think putting it in now is too much risk.
> 
> The Bonjour patch wasn't intended to be portable to other platforms  
> just yet. As submitted, it has the same risks/advantages as this  
> dlopen() patch -- it only works on 10.3 and later, but isn't  
> deprecated in 10.4.
> 
> If we want to keep 10.2 support for Bonjour, we can test for both  
> DNSServiceDiscovery.h and dns_sd.h in ./configure, and prefer  
> dns_sd.h if it's found (which will be the case for 10.3 and 10.4) but  
> use DNSServiceDiscovery.h if not (which will be the case for 10.2).
> 
> Thanks!
> 
> - Chris
> 
> 
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--  Bruce Momjian  <bruce@momjian.us>          http://momjian.us EnterpriseDB
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