From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ricardo Wurmus <rekado@elephly.net>
Subject: Re: Install new package in current generation?
Date: Wed, 23 May 2018 13:40:53 +0200
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To: Jone <yeger9@gmail.com>
Cc: help-guix@gnu.org


Jone <yeger9@gmail.com> writes:

>> Also note that generations are generally lightweight
>
> It's right. But I have another problem with different generations:
> I build and install xfce4-cpugraph-plugin
>
> /gnu/store/qf0khvz9vj5lj4k9sfjxqlbs0kl8ssr3-xfce4-cpugraph-plugin-1.0.5/
> =E2=94=9C=E2=94=80=E2=94=80 lib
> =E2=94=82 =E2=94=94=E2=94=80=E2=94=80 xfce4
> =E2=94=82     =E2=94=94=E2=94=80=E2=94=80 panel
> =E2=94=82         =E2=94=94=E2=94=80=E2=94=80 plugins
> =E2=94=82             =E2=94=9C=E2=94=80=E2=94=80 libcpugraph.la
> =E2=94=82             =E2=94=94=E2=94=80=E2=94=80 libcpugraph.so
> ...
>
> of course xfce-panel does not see libcpugraph.so
>
> /gnu/store/rp40p839f65bzkkzrgcx7jbxb0c38nx4-xfce4-panel-4.12.0/
> =E2=94=9C=E2=94=80=E2=94=80 bin
> ...
> =E2=94=82 =E2=94=94=E2=94=80=E2=94=80 xfce4
> =E2=94=82     =E2=94=94=E2=94=80=E2=94=80 panel
> =E2=94=82         =E2=94=9C=E2=94=80=E2=94=80 migrate
> =E2=94=82         =E2=94=9C=E2=94=80=E2=94=80 plugins
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libactions.la
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libactions.so
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libapplicationsme=
nu.la
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libapplicationsme=
nu.so
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libclock.la
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libclock.so
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libdirectorymenu.=
la
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libdirectorymenu.=
so
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 liblauncher.la
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 liblauncher.so
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libpager.la
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libpager.so
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libseparator.la
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libseparator.so
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libshowdesktop.la
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libshowdesktop.so
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libsystray.la
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libsystray.so
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libtasklist.la
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libtasklist.so
> =E2=94=82         =E2=94=82 =E2=94=9C=E2=94=80=E2=94=80 libwindowmenu.la
> =E2=94=82         =E2=94=82 =E2=94=94=E2=94=80=E2=94=80 libwindowmenu.so
> =E2=94=82         =E2=94=9C=E2=94=80=E2=94=80 wrapper-1.0
> =E2=94=82         =E2=94=94=E2=94=80=E2=94=80 wrapper-2.0
> ...
>
> Problem! Probably I should to modify the "xfce" package itself, but it's
> not so easy for me.

Garbage collection won=E2=80=99t make a difference here.

According to the definition of the =E2=80=9Cxfce=E2=80=9D and =E2=80=9Cxfce=
4-panel=E2=80=9D packages,
plugins are searched for on directories listed in the environment
variable =E2=80=9CX_XFCE4_LIB_DIRS=E2=80=9D.  Try setting that to the direc=
tory
containing =E2=80=9Cxfce4-cpugraph-plugin=E2=80=9D before Xfce is started.

--
Ricardo