Re: [gentoo-user] re: duplicated packages

[Alexander Kapshuk <alexander.kapshuk@gmail.com>]

On 09/19/2013 10:50 PM, Alan McKinnon wrote:
> On 19/09/2013 20:58, Alexander Kapshuk wrote:
>> Howdy,
>>
>> Is having duplicate packages a good or a bad thing in gentoo? I'm clear
>> about having duplicate packages for the kernel. I'm using the more
>> recent one, but hanging on to the old one just in case.
>>
>> Perhaps, the reason for having duplicate packages is the fact that
>> various packages I have installed on the system may require a different
>> version of a package I may already have installed. Is that it?
>>
>> _box0=; equery list --duplicates '*'
>>  * Searching for * ...
>> [IP-] [  ] app-text/docbook-xml-dtd-4.1.2-r6:4.1.2
>> [IP-] [  ] app-text/docbook-xml-dtd-4.4-r2:4.4
>> [IP-] [  ] dev-lang/python-2.7.5-r2:2.7
>> [IP-] [  ] dev-lang/python-3.2.5-r2:3.2
>> [IP-] [  ] dev-libs/openssl-0.9.8y:0.9.8
>> [IP-] [  ] dev-libs/openssl-1.0.1e-r1:0
>> [IP-] [  ] media-libs/lcms-1.19:0
>> [IP-] [  ] media-libs/lcms-2.3:2
>> [IP-] [  ] sys-devel/autoconf-2.13:2.1
>> [IP-] [  ] sys-devel/autoconf-2.69:2.5
>> [IP-] [  ] sys-devel/automake-1.10.3:1.10
>> [IP-] [  ] sys-devel/automake-1.12.6:1.12
>> [IP-] [  ] sys-devel/automake-1.13.4:1.13
>> [IP-] [M ] sys-kernel/gentoo-sources-3.8.13:3.8.13
>> [IP-] [  ] sys-kernel/gentoo-sources-3.10.7:3.10.7
>> [IP-] [  ] virtual/libusb-0:0
>> [IP-] [  ] virtual/libusb-1:1
>> [IP-] [  ] x11-libs/gtk+-2.24.17:2
>> [IP-] [  ] x11-libs/gtk+-3.4.4:3
>> [IP-] [  ] x11-themes/gtk-engines-xfce-3.0.1-r200:0
>> [IP-] [  ] x11-themes/gtk-engines-xfce-3.0.1-r300:3
>> _
>> Thanks.
>>
>
>
> They are not duplicates they are called SLOTS
>
> And you have them for a reason - one thing needs package A version X,
> something else needs package A version Y. Usually, you can have only
> one, SLOTS let you have more than one that can co-exist.
>
> Don't worry about them, let them be. You need them.
>
>
>
No worries.

Thanks.