Bug 419155 – Installing / Updating libattica-0.3.0 the link libattica.so.0 -> libattica.so.0.3.0 is missing and break libkdeui linking

• Product: Gentoo Linux
• Status: RESOLVED INVALID

[Description .:deadhead:. 2012-06-01 21:20:22 UTC]

If you upgrade libattica-0.3.0 from 0.2.0 and have kdelibs installed, you have that the link in libkdeui.so point to libattica.so.0 , but with version 0.3.0 this link does not exist so you have a broken libkdeui and every package you try to build against libkdeui fail.

Reproducible: Always

Steps to Reproduce:
1. install libattica-0.2.0
2. build kdelibs
3. upgrade to libattica-0.3.0
4. install somethink linked to libkdeui like skanlite
5. 
Actual Results:  
/usr/lib/gcc/x86_64-pc-linux-gnu/4.5.3/../../../../x86_64-pc-linux-gnu/bin/ld: warning: libattica.so.0, needed by /usr/lib64/libkdeui.so.5.8.0, not found (try using -rpath or -rpath-link)
/usr/lib64/libkdeui.so.5.8.0: undefined reference to `Attica::Person::~Person()'
/usr/lib64/libkdeui.so.5.8.0: undefined reference to `Attica::Provider::~Provider()'
/usr/lib64/libkdeui.so.5.8.0: undefined reference to `Attica::Person::city() const'


Expected Results:  
no errors everything compile good

This bug should block #418749 since it could cause useless pain to Gentoo users.

If it's wanted that libattica.so.0 disappear *PLEASE* add a EWARN to inform users that they have to run revdep-rebuild to avoid problems.

[Comment 1 Andreas K. Hüttel 2012-06-01 21:40:31 UTC]

Ever heard of revdep-rebuild? :)

[Comment 2 .:deadhead:. 2012-06-01 22:36:08 UTC]

No, I'm only using Gentoo since 2003.

Instead of closing it, why not adding an ewarn like in app-text/poppler :

pkg_postinst() {
        ewarn "After upgrading app-text/poppler you may need to reinstall packages"
        ewarn "linking to it. If you're not a portage-2.2_rc user, you're advised"
        ewarn "to run revdep-rebuild"
}

3 lines and you'll get a lot of time saved for the users, a lot of time saved in support in forums/irc and a much better image as a distro that inform users of what is going to happened.

[Comment 3 Agostino Sarubbo 2012-06-01 22:45:19 UTC]

After every update you should run revdep-rebuild.

[Comment 4 Andreas Plesch 2012-06-06 15:11:46 UTC]

I ran into the same problem even although I know about revdep-rebuild. It is serious because after a reboot kdm will not start up and you just get a text terminal.