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Date:      Tue, 4 Mar 2014 17:07:40 +0000
From:      Alexey Dokuchaev <danfe@FreeBSD.org>
To:        Tijl Coosemans <tijl@FreeBSD.org>
Cc:        Koop Mast <kwm@FreeBSD.org>, x11@FreeBSD.org
Subject:   Re: svn commit: r342587 - head/x11/pixman
Message-ID:  <20140304170740.GA82945@FreeBSD.org>
In-Reply-To: <20140205121525.GB24764@FreeBSD.org>
References:  <201402041839.s14IdgAF097754@svn.freebsd.org> <20140204210959.044bc79a@kalimero.tijl.coosemans.org> <20140205121525.GB24764@FreeBSD.org>

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On Wed, Feb 05, 2014 at 12:15:25PM +0000, Alexey Dokuchaev wrote:
> On Tue, Feb 04, 2014 at 09:09:59PM +0100, Tijl Coosemans wrote:
> > The is a bit strange because if you turn off SIMD you still get MMX and
> > SSE2 support if your cpu supports it.  It should be something like this:
> > 
> > .if ! ${PORT_OPTIONS:MSIMD}
> > CONFIGURE_ARGS=	--disable-vmx --disable-arm-simd --disable-mmx \
> > 		--disable-sse2
> > .endif
> > 
> > But then you're still missing --disable-ssse3 and a number of ARM and
> > MIPS SIMD options (reported by ./configure --help).
> > 
> > I think it's best to just remove this whole block together with the
> > SIMD option because pixman tests at runtime what features the cpu
> > supports so in my opinion there's no reason to disable SIMD support.
> 
> +1.  I've always had to read inside the Makefile to understand what does
> this option do; it's very confusing up-front.  Please remove it and/or
> hide the logic behind the trunk, so it DTRT without annoying users with
> cryptic dialogs.

Do we have any consensus on this one now?  Can we just remove the whole
SIMD logic from the Makefile?

./danfe



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