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Date:      Sun, 25 Mar 2007 21:48:31 +0200
From:      Alexander Leidinger <Alexander@Leidinger.net>
To:        Geoff Buckingham <geoffb@chuggalug.clues.com>
Cc:        multimedia@freebsd.org
Subject:   Re: Updated mythtv-fixes port
Message-ID:  <20070325214831.75617a41@Magellan.Leidinger.net>
In-Reply-To: <20070325112700.GC46175@chuggalug.clues.com>
References:  <20070323181558.GA46175@chuggalug.clues.com> <20070324145558.2e0f462b@Magellan.Leidinger.net> <20070324151536.GB46175@chuggalug.clues.com> <46054F59.1020300@netmusician.org> <20070325112700.GC46175@chuggalug.clues.com>

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Quoting Geoff Buckingham <geoffb@chuggalug.clues.com> (Sun, 25 Mar 2007 11:27:00 +0000):

> The upstream configure script, common to both ports, fails to detect the
> CPU correctly under freebsd. THe best it can do is get i386 from uname.
> (Not sure what happens in x86_64. Anybody know?)

Currently: amd64

> As a result it uses -march=i386 during the ports build process. With my patch
> to configure you should get -march=<your cpu family> and get -DMMX if your
> cpu has mmx. On an Athlon 64 3200+ (i386 FreeBSD) i found this reduced CPU
> utilisation during playback of a DVB-T mpeg2 from around 30% to around 10%.

Does it get it from uname, or via the target arch of configure? If it
is the later, I have a patch to let the ports change this to the CPU:
  http://www.Leidinger.net/FreeBSD/port-patches/Mk:bsd.port.mk.diff

With my patch the amd64 case will change to x86_64.

Bye,
Alexander.

-- 
A man of quality does not fear a woman seeking equality.
http://www.Leidinger.net  Alexander @ Leidinger.net: PGP ID = B0063FE7
http://www.FreeBSD.org     netchild @ FreeBSD.org  : PGP ID = 72077137



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