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Bug 191163 - app-emacs/color-theme wants to emerge emacs 21.4 though I already have another slotted version installed
Summary: app-emacs/color-theme wants to emerge emacs 21.4 though I already have anothe...
Status: RESOLVED INVALID
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: High normal (vote)
Assignee: Emacs project
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2007-09-03 16:35 UTC by garyyuen
Modified: 2007-09-06 18:39 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


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Description garyyuen 2007-09-03 16:35:26 UTC
Emerging  app-emacs/color-theme requires emacs 21.4. I'm already using another build, 22.1.1. Shouldn't the dependancy already be met?

Reproducible: Always

Steps to Reproduce:
1. Have installed a version of Emacs besides the default stable build
2. Emerge color-theme
3. Portage wants to install emacs 21.4-r12



Expected Results:  
color-theme's dependency on emacs should already be met.
Comment 1 Ulrich Müller gentoo-dev 2007-09-03 16:46:40 UTC
Please post the output of "emerge -pv virtual/emacs" and the contents of your package.unmask file.
Comment 2 garyyuen 2007-09-06 12:05:52 UTC
I missed adding NEED_EMACS=version_number to the elisp.eclass. After fixing that, the virtual emacs22 was emerged fine. I'm not sure if it would help other people to have a virtual emacs auto emerged depending on what version of emacs the person has installed. If someone has multiple ones, then at least have one virtual. 
Comment 3 Christian Faulhammer (RETIRED) gentoo-dev 2007-09-06 13:35:27 UTC
(In reply to comment #2)
> I missed adding NEED_EMACS=version_number to the elisp.eclass. After fixing
> that, the virtual emacs22 was emerged fine. I'm not sure if it would help other
> people to have a virtual emacs auto emerged depending on what version of emacs
> the person has installed. If someone has multiple ones, then at least have one
> virtual. 

 I think your problem is that you have no virtual/emacs installed.  If you just emerged emacs-22 (or emacs-cvs), you still need a virtual/emacs as all app-emacs packages depend on that.  Put virtual/emacs-22 in your package.keywords and try again.  So please provide the information, Ulrich asked for in comment #1
Comment 4 Ulrich Müller gentoo-dev 2007-09-06 14:23:07 UTC
I'd rather guess virtual/emacs-21 is installed (it's marked stable on most arches), but virtual/emacs-22 cannot be pulled in, because it's marked ~arch only:

(In reply to comment #0)
> 1. Have installed a version of Emacs besides the default stable build

Adding =virtual/emacs-22 to package.unmask (or even package.keywords) would fix the problem in this case.

But that's a guess only; so far the Reporter has not even revealed which architecture he's using.
Comment 5 garyyuen 2007-09-06 16:29:37 UTC
My package.unmask has no contents of emacs but I have added "~virtual/emacs-22" to package.keywords. After emerging virtual emacs22, color-theme emerged without needing emacs21. It's fixed now and I understand that since virtual22 is masked, it won't automatically be installed with emacs22. 
Comment 6 Ulrich Müller gentoo-dev 2007-09-06 18:39:33 UTC
Good. Please note that virtual/emacs must always be unmasked/keyworded in the same way as app-editors/emacs{,-cvs}, since the app-emacs packages will pull the virtual as dependency. (This is a bit hidden, in elisp.eclass.)

RESOLVED NOTABUG.