On Sat, Sep 23, 2006 at 10:34:03AM -0400, Mike Frysinger wrote:
> On Saturday 23 September 2006 10:24, Alin Nastac wrote:
> > I see only libraries in NEEDED and it is probably generated
> > automatically. There is no way for the automatic tools to discover the
> > dependency between pptpd and ppp version.
>
> that gets back to ABI versus dynamic plugins ... we already know we'll need a
> new DEPEND to track dlopen-ed plugins
>
> > Besides, even if I would have somehow /usr/lib/ppp/2.4.3 in NEEDED file
> > of the pptpd, the amount of computation needed to discover which package
> > offers such thing would be prohibitive. The reciprocal operation (find
> > which packages use the old path before upgrade) would also be prohibitive.
>
> no it wouldnt ... when you merge a package, you record all the SONAME's it
> provides:
> scanelf -qRS "${D}" > SONAME
>
> in fact, running `scanelf -qlpRS` doesnt take that long on my machineFlush the cache... Makes a world of difference. Additionally, he is talking about what is *done* with that data after the fact, iow other words walking the entire vdb to find all affected pkgs. Can pretty much gurantee after a build that data isn't likely to be available (part of the reason portageq calls during building are slow). Could collapse that into a simple mapping, but that introduces backwards compatibility issues... ~harring
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