Re: JIT compiling with LLVM v9.0

From: Andres Freund <andres(at)anarazel(dot)de>
To: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: JIT compiling with LLVM v9.0
Date: 2018-01-29 23:24:12
Message-ID: 20180129232412.iycqdoonnrq7gvxu@alap3.anarazel.de
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Hi,

On 2018-01-30 00:16:46 +0100, Tomas Vondra wrote:
> FWIW I've installed llvm 5.0.1 from distribution package, and now
> everything builds fine (I don't even need the configure tweak).
>
> I think I had to build the other binaries because there was no 5.x llvm
> back then, but it's too far back so I don't remember.
>
> Anyway, seems I'm fine for now.

Phew, I'm relieved. I'd guess you buily a 5.0 version while 5.0 was
still in development, so not all 5.0 functionality was available. Hence
the inconsistent looking result. While I think we can support 4.0
without too much problem, there's obviously no point in trying to
support old between releases versions...

> Sorry for the noise.

No worries.

- Andres

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