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To: Peter Fein <pfein@...>
From: Cliff Free <anaranjado@...>
Subject: Re: Kernel compiling respecting CFLAGS
Date: 14 Apr 2003 23:57:42 -0400
According to one of the "Linux Core Kernel Commentary" books, compiling
the kernel with the -O3 flag is a BAD idea.  The kernel expects some
functions to be in certain places and using -O3 could cause them to be
inlined when they shouldn't, makeing the kernel unstable or broken.

On Mon, 2003-04-14 at 11:37, Peter Fein wrote:
> On Mon, 14 Apr 2003 23:18:59 +0800
> Daniel Armyr <daniel.armyr@...> wrote:
> 
> > After quite a few compiles, It seems to me that the compilation of 
> > kernels does not respect CFPAGS or CXXFLAGS settings. Is this true? If 
> > so, is there a reason besides "If people compile the kernel with the 
> > optimizations they want, their kernel will be mangled into oblivion."?
> 
> La la la ....
> 
> http://forums.gentoo.org/viewtopic.php?t=24849
-- 
Cliff Free <anaranjado@...>


--
gentoo-dev@g.o mailing list

References:
Kernel compiling respecting CFLAGS
-- Daniel Armyr
Re: Kernel compiling respecting CFLAGS
-- Peter Fein
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