Kai Krakow <[email protected]> [16-09-02 03:52]: > Am Tue, 30 Aug 2016 03:55:32 +0200 > schrieb [email protected]: > > > Daniel Frey <[email protected]> [16-08-30 03:48]: > > > On 08/29/2016 11:11 AM, [email protected] wrote: > > > > On Mon, Aug 29, 2016 at 06:29:50PM +0200, [email protected] > > > > wrote > > [...] > > [...] > > [...] > > > > > > > > The first suggestion in a case like this is to run > > > > revdep-rebuild. As a matter of fact, it probably wouldn't hurt > > > > to run revdep-rebuild after every update. > > > > > > > > > > Yes, I do. Portage occasionally misses a rebuild. It's a lot better > > > now at catching them but it still misses them. > > > > > > > > > > > > Dan > > > > > > > Ok, we now know that depclean and redep rebuild are needed after each > > update. It is someting, which I put together into one script which > > I run after each update. > > > > And we know that portage seems to be guilty. And that it should not be > > guilty. And that it does better in this cases. > > > > One thing remains: > > How can I get that guvcview up and running? > > Try "emerge -1a @preserved-rebuild". It should catch preserved libs > that revdep-rebuild cannot see at missing but doesn't scan neither > because it doesn't consider them as part of the installed files. > > Usually, after rebuilding everything to new metadata, you no longer use > revdep-rebuild because the preserved-libs feature renders it mostly > useless. Instead, @preserved-rebuild jumps in to rebuild and cleanup. > > You may, however, catch a situation where the configure phase detects > the new version of a lib but the linker phase uses the preserved lib of > an older version of a dependent package. I'd consider this a bug of the > ebuild or the package's build system usually. The way out here is do > forcefully uninstall the package with the "broken" preserved lib, then > reinstall what is not working. > > It'd try this: > > # Try to unmerge the package that portage thinks the file belongs to: > $ emerge -Ca /usr/lib/libgviewv4l2core-1.0.so.1 > (or whereever this file should be, you can use pfl for finding out) > > # rebuild binary broken packages now (we used -C, not -c) > $ revdep-rebuild > > # rebuild packages using preserved libs > $ emerge -1a @preserved-rebuild > > # rebuild your package now, it should now link to the correct lib > $ emerge -1a guvcview > > If that still doesn't help, try "qcheck -BHTP" to find packages with > missing files. Rebuild those: > > $ emerge -1a $(qcheck -BHTP) > > If that also doesn't help, pretend that no dependencies are installed - > this may rebuild A LOT of packages: > > $ emerge -1e guvcview > > -- > Regards, > Kai > > Replies to list-only preferred. > >
Hi Kai, thank you very much for your useful help!!! :) 8) This procedure finally fixed that problem. I saved your posting to my "HowTo"s... :) Have a nice weekend! Best regards, Meino
