On Tue, 2012-04-10 at 22:52 -0400, Bill Nottingham wrote:
> Richard W.M. Jones (rjones@xxxxxxxxxx) said:
> > The 'qemu' package has a bug, of sorts: the maintainer should have
> > added a specific Requires line:
> >
> > Requires: usbredir >= <some version>
> >
> > However, instead of pushing this problem on packagers, maybe RPM
> > should resolve this by encoding the (admittedly long) list of symbols
> > used by a binary?
>
> Unless you redesign the entire way we store, distribute, and process
> dependency metadata first, doing anything of this sort is just pushing a
> world of pain onto everyone.
>
> An enterprising soul could calculate how many library:symbol:version
> entries a typical package would have, and how many of the same a typical
> library would need to provide. I am not that soul.
Some quick ballpark numbers from F17:
black-lotus:~% symbols_needed_by_package() {
function> rpm -ql "$1" | xargs file | grep '\<ELF\>' | cut -f 1 -d : |
function pipe pipe pipe pipe> xargs nm -aDu | sort -u | wc -l
function> }
black-lotus:~% symbols_needed_by_package xulrunner
3084
black-lotus:~% rpm -q --requires xulrunner | wc -l
114
black-lotus:~% symbols_needed_by_package xorg-x11-server-Xorg
851
black-lotus:~% rpm -q --requires xorg-x11-server-Xorg | wc -l
35
So that's a factor of 25ish more data in the Requires list. No, thanks.
- ajax
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