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Date: Thu, 28 Jun 2012 12:54:36 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: Re: Failed self test for raw-sha1-ng (linux-x86-sse2i
 OMP)

On 2012-06-28 12:18, Frank Dittrich wrote:
> Due to another recent change in raw-sha1-ng, I get a new warning when
> compiling with clang version 2.9:
> rawSHA1_ng_fmt.c:127:14: warning: unknown pragma ignored [-Wunknown-pragmas]
> # pragma GCC optimize 3
> 
> I don't know whether more recent clang versions support this pragma, so
> I wouldn't disable it for clang.
> I just wanted to let you know.

That pragma is not implemented in GCC versions earlier than 4.4 so we
can test __GNUC__ and __GNUC_MINOR__ - I'll have a look even though this
is 100% benign.

> Which version of gcc supports this pragma?
> clang 2.9 (tags/RELEASE_29/final) claims to be compatible with gcc 4.2.1.

I get the same with "clang version 3.1-4~precise1 (branches/release_31)
(based on LLVM 3.1)" which still says compatible with 4.2.1

magnum

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