update-alternatives questions

update-alternatives questions

[Andreas Müller]

Hi

when starting a fresh image (angstrom/opkg) I see for xfwm4 (xfce window manager 
included in meta-oe)

S98configure[285]: //var/lib/opkg/info/xfwm4.postinst: line 2: update-
alternatives: command not found

I checked: 

* there is no  update-alternatives in my image
* update-alternatives is packed in update-alternatives-cworth (sub package of 
opkg) which is not part of my image

Isn't it required to have update-alternatives on the target because it is used 
in postinst- / and postrm scripts?

Andreas

Re: update-alternatives questions

[Koen Kooi]

Op 17 jan. 2012, om 01:43 heeft Andreas Müller het volgende geschreven:

> Hi
> 
> when starting a fresh image (angstrom/opkg) I see for xfwm4 (xfce window manager 
> included in meta-oe)
> 
> S98configure[285]: //var/lib/opkg/info/xfwm4.postinst: line 2: update-
> alternatives: command not found
> 
> I checked: 
> 
> * there is no  update-alternatives in my image
> * update-alternatives is packed in update-alternatives-cworth (sub package of 
> opkg) which is not part of my image
> 
> Isn't it required to have update-alternatives on the target

Yes

> because it is used 
> in postinst- / and postrm scripts?

Those should be executed offline during build, so it's only for packages you install later on. Have a look at https://github.com/koenkooi/meta-angstrom/blob/master/recipes-images/angstrom/systemd-image.bb. That recipe will not include packagemanagement and u-a if ONLINE_PACKAGE_MANAGEMENT is set to none.

regards,

Koen

Re: update-alternatives questions

[Khem Raj]

On (17/01/12 10:07), Koen Kooi wrote:
> 
> Op 17 jan. 2012, om 01:43 heeft Andreas Müller het volgende geschreven:
> 
> > Hi
> > 
> > when starting a fresh image (angstrom/opkg) I see for xfwm4 (xfce window manager 
> > included in meta-oe)
> > 
> > S98configure[285]: //var/lib/opkg/info/xfwm4.postinst: line 2: update-
> > alternatives: command not found
> > 
> > I checked: 
> > 
> > * there is no  update-alternatives in my image
> > * update-alternatives is packed in update-alternatives-cworth (sub package of 
> > opkg) which is not part of my image
> > 
> > Isn't it required to have update-alternatives on the target
> 
> Yes
> 
> > because it is used 
> > in postinst- / and postrm scripts?
> 
> Those should be executed offline during build, so it's only for packages you install later on. Have a look at https://github.com/koenkooi/meta-angstrom/blob/master/recipes-images/angstrom/systemd-image.bb. That recipe will not include packagemanagement and u-a if ONLINE_PACKAGE_MANAGEMENT is set to none.
> 

oe-core provides PACKAGE_GROUP_package-management/ for same. May be it
should be leveraged here ?


> regards,
> 
> Koen
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-- 
-Khem