Re: JIT compiling with LLVM v9.0

From: Andres Freund <andres(at)anarazel(dot)de>
To: Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>
Cc: Jeff Davis <pgsql(at)j-davis(dot)com>, Konstantin Knizhnik <k(dot)knizhnik(at)postgrespro(dot)ru>, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: JIT compiling with LLVM v9.0
Date: 2018-02-02 10:08:40
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On 2018-02-02 18:22:34 +1300, Thomas Munro wrote:
> The clang that was used for bitcode was the system /usr/bin/clang,
> version 4.0. Is it a problem that I used that for compiling the
> bitcode, but LLVM5 for JIT? I actually tried
> CLANG=/usr/local/llvm50/bin/clang but ran into weird failures I
> haven't got to the bottom of at ThinLink time so I couldn't get as far
> as a running system.

You're using thinlto to compile pg? Could you provide what you pass to
configure for that? IIRC I tried that a while ago and ran into some
issues with us creating archives (libpgport, libpgcommon).


Andres Freund

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