[gentoo-user] dev-java/asm versions nightmare

[Enrico Weigelt]

Hi folks,


while trying to set up hibernate (the java persistency tk), I ran 
into lots of trouble with the asm package. Deep within the dependency 
tree, there are several totally incompatible versions of asm pulled 
in. While build runs cleany, everything crashes on runtime.

Further investigation showed that totally incompatible branches 
(at least 2.0 totally breaks the interface introduced by 1.5 !)
are living in the same namespace. Several packages depend on 
different branches (via different slots), so it's obvious that
this ends in fire.

Seems the certain people at INRIA+FR are just a bunch of mindless
jerks who'll be the first against the wall when the great
revolution comes ;-P

This is yet a nother good (bad) example that slot'ing has the
strong tendency to make things even worse than they already are
(if not used with *extreme* caution).

I'm currently in the process of resolving this issue by completely
forking off the these branches into their own packages, with their
own namespace, and porting client to the forked packages. As long
as the specific asm interfaces aren't used within client's exports,
this should be quite easy.

Please drop a note if you want to be kept up to date on the issue.


cu
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 Enrico Weigelt    ==   metux IT service - http://www.metux.de/
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