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Date: Wed, 16 Nov 2011 08:07:12 +0700
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Subject: Re: [gentoo-user] Re: Upgrading gcc: both 4.4 and 4.5 needed?
From: Pandu Poluan <pandu@poluan.info>
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On Nov 16, 2011 8:00 AM, "Nikos Chantziaras" <realnc@arcor.de> wrote:
>
> On 11/15/2011 08:58 PM, Jarry wrote:
>>
>> Hi,
>> today I upgraded gcc from 4.4.5 to the last stable version
>> 4.5.3-r1.
>> [...]
>>
>> But at the and I noticed gcc 4.4 has not been unmerged
>> and my "world" file is somehow larger. To my surprise,
>> it contains these lines:
>>
>> sys-devel/gcc
>> sys-devel/gcc:4.4
>>
>> I did full backup before, so I compared world-file before
>> and after gcc-upgrade just to find out, these two lines
>> have been really inserted now, during gcc-upgrade. And my
>> question is: what does it mean? Does my system need now
>> both gcc 4.4 and 4.5? Why is actually gcc in world-file,
>> when it is part of system?
>
>
> The old GCC version does not get removed. This is a good thing just in
case the new one doesn't work for some reason.
>
> If it works OK, you can manually unmerge the old version:
>
> emerge -aC gcc:4.4
>
> Before doing that, however, make sure the new one has been activated with
gcc-config and verify that it works by building some random package.
>
And if you're adventurous, add USE "graphite", reemerge gcc, and reemerge
world :)
Rgds,
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<p><br>
On Nov 16, 2011 8:00 AM, "Nikos Chantziaras" <<a href=3D"mailt=
o:realnc@arcor.de">realnc@arcor.de</a>> wrote:<br>
><br>
> On 11/15/2011 08:58 PM, Jarry wrote:<br>
>><br>
>> Hi,<br>
>> today I upgraded gcc from 4.4.5 to the last stable version<br>
>> 4.5.3-r1.<br>
>> [...]<br>
>><br>
>> But at the and I noticed gcc 4.4 has not been unmerged<br>
>> and my "world" file is somehow larger. To my surprise,<b=
r>
>> it contains these lines:<br>
>><br>
>> sys-devel/gcc<br>
>> sys-devel/gcc:4.4<br>
>><br>
>> I did full backup before, so I compared world-file before<br>
>> and after gcc-upgrade just to find out, these two lines<br>
>> have been really inserted now, during gcc-upgrade. And my<br>
>> question is: what does it mean? Does my system need now<br>
>> both gcc 4.4 and 4.5? Why is actually gcc in world-file,<br>
>> when it is part of system?<br>
><br>
><br>
> The old GCC version does not get removed. =C2=A0This is a good thing j=
ust in case the new one doesn't work for some reason.<br>
><br>
> If it works OK, you can manually unmerge the old version:<br>
><br>
> =C2=A0emerge -aC gcc:4.4<br>
><br>
> Before doing that, however, make sure the new one has been activated w=
ith gcc-config and verify that it works by building some random package.<br=
>
></p>
<p>And if you're adventurous, add USE "graphite", reemerge gc=
c, and reemerge world :)</p>
<p>Rgds,<br>
</p>
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