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[vdr] Re: @Klaus Schmidinger: Suggestion for -O options in plugin-makefiles
On Thu, Dec 12, 2002 at 04:02:24PM +0100, Rene Bartsch wrote:
>
> ----- Original Message -----
> From: "Robert Schiele" <robert.schiele@t-online.de>
> To: <vdr@linuxtv.org>
> Sent: Thursday, December 12, 2002 11:11 AM
> Subject: [vdr] Re: @Klaus Schmidinger: Suggestion for -O options in
> plugin-makefiles
>
>
> >
> > On Wed, Dec 11, 2002 at 03:04:42PM +0100, Rene Bartsch wrote:
> > > This is not necessary as linux uses "-O2" by default. But it is quite
> >
> > This statement is not correct in the general case. The Intel compiler
> > has -O2 as default setting, but gcc does not optimize by default.
> >
>
> Yes, but the Linux-distros use the CFLAGS in kernelsource as system-default
^^^^^^^^^^^^
Huh? I'm confused about what you are telling. In what way are the
kernel sources related to vdr?
> (which I have set to "-O3" to get more performance, especially on my P1 133
> and P1 166 boxes). And this is "-O2". So I think we should use the
> system-default by removing the "-O"-flags from the Makefiles
There is no system default for optimization. The kernel sources are
not related to vdr. I think you are mixing up two different things.
> If anyone needs another "-O"-flag he can put it into Makefile.conf.
Well he can do that anyway. No need to change current Makefile.
Robert
--
Robert Schiele Tel.: +49-621-181-2517
Dipl.-Wirtsch.informatiker mailto:rschiele@uni-mannheim.de
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