On Fri, Jun 17, 2005 at 08:07:34AM +0100, Andrew Suffield wrote: > On Fri, Jun 17, 2005 at 04:26:36AM +0100, Scott James Remnant wrote: > > On Thu, 2005-06-16 at 17:20 -0700, Steve Langasek wrote:
> > > So, maybe it's time to revisit the weaknesses of the shlibs system, > > > particularly as they apply to glibc. Scott James Remnant had done some > > > poking in this area about a year ago, which involved tracking when > > > individual symbols were added to a package -- apparently, many packages > > > would actually be happy with glibc 2.1 or so (at least on i386), but we > > > have > > > no way to track this... > > I was just thinking the same with this thread ... > > The principal problem with the "shlibsyms" stuff was that in order to > > track when symbols are added to a package, you need the list of the set > > of symbols that were in the last version -- and as the source packages > > are put together before the binary, the source package wouldn't contain > > the updated set of symbols. > Once we begin to deploy icheck, we will have all this > information. Haven't yet figured out how to do anything with it. > It is not sufficient to track when symbols are added to a package. You > must also check when their meaning changes. I have not yet been able > to find a way to do this on a per-symbol basis, only a per-library > one (I can find examples that break all the 'obvious' approaches). However, breaking the meaning of any symbol is supposed to mean that we punt by changing the soname, no? -- Steve Langasek postmodern programmer
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