On Fri, Jan 6, 2017 at 8:04 AM, Jakub Jelinek <jakub@xxxxxxxxxx> wrote: > On Thu, Jan 05, 2017 at 03:08:21PM -0800, Brendan Conoboy wrote: >> On 01/05/2017 02:08 PM, Stephen Gallagher wrote: >> [snip] >> > == multi-arch layout == >> > * Moving the locations of all of the system libraries would potentially still >> > break third-party applications that were compiled to expect libraries to be in >> > the /usr/lib[64] paths. This would be a similar problem to the UsrMove change >> > and would likely be solved the same way; by maintaining symlinks in the old >> > locations for some reasonable migration period. Given the enormous number of >> > packages involved and the fact that it's not a simple directory rename, we may >> > need to add a hack into rpmbuild to automatically generate these symlinks in the >> > old location. >> > >> > * Switching to this layout might give a false (or possibly accurate, in some >> > cases) impression that one could expect Debian/Ubuntu packages to function "out >> > of the box" on Fedora (if using something like Alien). Education is key here. >> [snip] >> >> For anyone who isn't familiar with this topic, you might find Debian's >> documentation useful: >> >> https://wiki.debian.org/Multiarch >> >> One could take it a step further and actually have target triplets the >> convey OS version of the libraries instead of the generic "-redhat-linux" >> part of the tuple. With a little rpath abuse apps compiled for F25 could >> find their shared libraries in an F25 specific directory and multiple >> versions of the same package could be installed at the same time, for >> different OS versions. This goes beyond Fedora, too: apps compiled for >> Debian could find their shared libraries in a Debian specific directory, >> even though it's a Fedora system that is booted. A lot of fiddly details >> and hand waving go here, but the end result would be really useful. > > Noo! Debian Multiarch is FHS incompatible, too ugly to live with and > doesn't bring benefits, it is just different. > Please don't introduce this into Fedora. I'd be happier if we just moved 32-bit libraries into /usr/lib32. That way /usr/lib can be only noarch libs (like noarch Python things, and stuff). -- 真実はいつも一つ！/ Always, there's only one truth! _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
