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From: Nikos Chantziaras <realnc@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: [gentoo-user] Re: GCC 4.7 and LTO: it works
Date: Tue, 05 Jun 2012 18:54:34 +0300	[thread overview]
Message-ID: <jqla4u$rcm$1@dough.gmane.org> (raw)
In-Reply-To: <4FCE1781.1020605@xunil.at>

On 05/06/12 17:28, Stefan G. Weichinger wrote:
> Am 04.06.2012 22:19, schrieb Nikos Chantziaras:
>> I've emerged system and world with gcc-4.7.0 and LTO. I'm posting from
>> it right now :-)  It's a KDE system with 1043 packages installed.
>>
>> I've posted details on how to do this (including info on how to disable
>> LTO for specific packages that don't work with it) here:
>>
>> http://realnc.blogspot.com/2012/06/building-gentoo-linux-with-gcc-47-and.html
>
> Gave it a try out of curiosity ... got @system emerged OK now ...
>
> Did you also apply it to compiling the kernel?
> Worth it?

Kernel builds and runs fine with 4.7.  But I didn't try to use LTO on 
it.  I actually never try to force any custom CFLAGS on the kernel 
build.  I trust upstream to pick safe and fast ones.




  reply	other threads:[~2012-06-05 15:57 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-04 20:19 [gentoo-user] GCC 4.7 and LTO: it works Nikos Chantziaras
2012-06-04 21:21 ` Paul Hartman
2012-06-04 21:39   ` [gentoo-user] " Nikos Chantziaras
2012-06-04 22:37     ` Paul Hartman
2012-06-04 22:53       ` Nikos Chantziaras
2012-06-05 14:28 ` [gentoo-user] " Stefan G. Weichinger
2012-06-05 15:54   ` Nikos Chantziaras [this message]
2012-06-05 16:56     ` [gentoo-user] " Stefan G. Weichinger
2012-06-05 21:34       ` Stefan G. Weichinger

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