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List:       kde-devel
Subject:    Re: compiling kdevelop-1.3 or any kde apps
From:       Michael Matz <matzmich () cs ! tu-berlin ! de>
Date:       2000-12-04 12:49:37
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Hi,

On Wed, 29 Nov 2000, Kuba Ober wrote:
> Isn't it so that without i686 option the binary will work on any i386, and 
> with i686 option it will use some of pentium opcodes/optimizations/whatever? 
> An i686 optimized code, even without any i686 opcodes, may work very slowly 
> on i386. i386 code will be best for i386, but for i686, there are some 
> optimizations that can make it perform better. Doesn't gcc/egcs do those???

Yes to everything above, just that this behaviour is not invoked by any
--target=xxx option; you shouldn't give it at all, as this reqeusts cross
compilation, which isn't supported by KDE.


Ciao,
Michael.

 
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