From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Andres Freund <andres(at)anarazel(dot)de> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Removing link-time cross-module refs in contrib |
Date: | 2016-10-03 19:40:12 |
Message-ID: | 11071.1475523612@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Andres Freund <andres(at)anarazel(dot)de> writes:
> On 2016-10-03 14:49:20 -0400, Tom Lane wrote:
>> ... ignoring unresolved symbols in shlibs is the default
>> on Linux, and while you can make it throw errors, that just leads to
>> errors for all the references into the core backend. Not very helpful.
>> AFAICS, GNU ld lacks any equivalent to macOS' -bundle_loader switch,
>> which is what we'd need to make this usable.
> Hm. I wonder if it's actually possible to link against the main backend,
> when compiling as a position-independent-executable...
I tried that, didn't work.
>> A workable compromise for Linux might be to enable -Wl,-z,now which
>> changes unresolved symbol resolution from lazy to on-load.
> Hm, I think that's the default already no?
Oh, maybe, I was looking for compile switches. Will test.
regards, tom lane
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