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Re: libgd security update / i686 issues

From: Andreas Enge
Subject: Re: libgd security update / i686 issues
Date: Thu, 28 Jul 2016 10:40:49 +0200
User-agent: Mutt/1.6.1 (2016-04-27)

On Thu, Jul 28, 2016 at 03:23:37AM -0400, Leo Famulari wrote:
> I built it on x86_64, and also cross-built to i686-linux. The 32-bit rounding
> issue that Mark fixed with commit 27326064 was reported upstream [1],
> and the suggested workaround is to add "-msse -mfpmath=sse" to CFLAGS
> [2].

Well, the bug report states that the result is correct on armv7. Apparently
i686 is not IEEE compliant by default, while armv7 is. So it should be okay
to apply the flags only on i686. We assume that SSE, but not SSE2 or later
are supported, see our Qt package.


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