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Re: Further news on Clang - spurious warnings

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: "David E(dot) Wheeler" <david(at)kineticode(dot)com>
Cc: Peter Geoghegan <peter(at)2ndquadrant(dot)com>, PG Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Further news on Clang - spurious warnings
Date: 2011-08-03 18:17:33
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On ons, 2011-08-03 at 10:33 -0700, David E. Wheeler wrote:
> I haven't been paying attention to warnings, but FWIW 9.1beta3 has
> been building with LLVM by default with Xcode 4. Both on Snow Leopard
> and on Lion I saw something like this:
> try=# select version();
> version                                                                                   
> -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>  PostgreSQL 9.1beta3 on x86_64-apple-darwin11.0.0, compiled by
> i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc.
> build 5658) (LLVM build 2335.15.00), 64-bit
> (1 row)
> Which is just awesome. Things seem to work great.

Note that what you are using there is a GCC frontend with a LLVM
backend.  (So I suppose you would get mostly GCC warnings.)  Clang is a
new/different compiler frontend using the LLVM backend.

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