linux-kernel - Re: [BUG: 2.6.26-rc3] ERROR: "____ilog2

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Date:	Wed, 28 May 2008 02:56:19 +0300
From:	Adrian Bunk <bunk@...nel.org>
To:	Mirco Tischler <mt-ml@....de>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: [BUG: 2.6.26-rc3] ERROR: "____ilog2_NaN" undefined

On Mon, May 26, 2008 at 11:16:46PM +0200, Mirco Tischler wrote:
> Ok. Situation has changed. I discovered I'm still more dumb than I
> thought I am;). There was that link /usr/local/bin/gcc to the gcc-4.4pre
> executable that I didn't thought of.

Ah, that explains why only you were seeing it.

> the ver_linux script didn't check
> that too.

I'm wondering why it sets PATH - it would have saved us some time if it 
didn't.

I'll look at this.

> So the error only occurs with gcc-4.4. But my version is some
> weeks old so I'm currently compiling a fresh svn version to check if the
> error still exists.
> 
> I also found the config option that causes the error: enabling
> OPTIMIZE_FOR_SIZE and thus setting -Os instead of -O2 makes the error go
> away, so this is pretty much a compiler problem.
> I will check now if the error is still existent in the current developer
> version of gcc and then maybe contact the gcc team.
> 
> Meanwhile I'm really sorry for the noise and annoyance.

No problem, things go wrong for everyone.

> Thanks
> Mirco

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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