Re: Clojure versioning
On Sun, Aug 22, 2010 at 10:23:58PM +0530, Ramakrishnan Muthukrishnan wrote:
> On Sun, Aug 22, 2010 at 3:04 AM, Peter Collingbourne <peter@pcc.me.uk> wrote:
> > Hi,
> >
> > I am in the process of packaging Clojure 1.2 for Debian. While
> > doing so, I noticed that Clojure 1.1 AOT compiled packages, such as
> > clojure-contrib, won't work with 1.2. This led me to discover that
> > AOT compiled packages are in general not guaranteed to work between
> > Clojure versions. The way I see it we have two possible solutions:
> >
> > 1) Do nothing. This would essentially mean all clojure libraries would
> > need to move in lockstep with the clojure package.
>
> As I understand it, this is a problem only for gen-class'ed
> namespaces. clojure-contrib has a few. But many libraries never AOT
> compile for precisely the same reason.
If a library/app B needs AOT and depends on a library A which is not
AOT compiled, what does the linkage look like from B to A? Is it a
direct call? IOW, what happens if B is called using a gen-class'd
class and calls A? Is A automatically JIT compiled?
Thanks,
--
Peter
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