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* [gentoo-user] ebuild dependencies and the --tree switch
@ 2006-03-24 17:41 Daniel Rolls
  2006-04-02  1:37 ` Jeremy Olexa
  0 siblings, 1 reply; 2+ messages in thread
From: Daniel Rolls @ 2006-03-24 17:41 UTC (permalink / raw
  To: gentoo-user

Hi,

I'm trying to understand how ebuild dependencies work
in gentoo. If I type:

emerge -vpu --deep --tree kde-base/kdebase

I see the package x11-themes/gnome-icon-theme-2.12.1
at one of the roots of the tree. The kdebase version
is 3.5.1-r3. Firstly how can anything other than
kde-base/kdebase be at the root of the tree? Surely
with this command everything installed or upgraded
must either directly or indirectly depend on
kde-base/kdebase? Assuming that
x11-themes/gnome-icon-theme must be a direct dependent
of kde-base/kdebase I still cannot see any references
to gnome-icon-theme in
/usr/portage/kde-base/kdebase/kdebase-3.5.1-r3.ebuild.
I have tried adding the -e switch to emerge but
x11-themes/gnome-icon-theme still appears at a root of
the tree?

Can anybody explain or refer to an explanation of how
dependencies work in Gentoo?

Dan


	
	
		
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^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [gentoo-user] ebuild dependencies and the --tree switch
  2006-03-24 17:41 [gentoo-user] ebuild dependencies and the --tree switch Daniel Rolls
@ 2006-04-02  1:37 ` Jeremy Olexa
  0 siblings, 0 replies; 2+ messages in thread
From: Jeremy Olexa @ 2006-04-02  1:37 UTC (permalink / raw
  To: gentoo-user

Daniel Rolls wrote:
> Can anybody explain or refer to an explanation of how
> dependencies work in Gentoo?

Well, when you use the -p flag it says: "These are the packages that I 
would merge, in reverse order:" I interpret that as being package A 
needs B so B will be installed BEFORE A.

Are you following me here?

With that being said, if B needs deps too then depB will be installed 
before B AND before A. SO...if x11-themes/gnome-icon-theme is at the 
root of a tree it has to be the first dep needed by a dep of kde (or 
directly by kde) which portage has so graciously figured out for you.

Or I could tell you that you just need to read the tree output from the 
bottom up to figure it out ;) I encourage you to try "emerge -pve 
xorg-x11" with and without the --tree flag and perhaps it will make more 
sense.

Hope that helps,
Jeremy
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