Re: [ros-dev] ReactOS versioning

[Jerome Gardou]

Le 07/03/2015 22:21, Timo Kreuzer a écrit :
>   Am 07.03.2015 um 20:04 schrieb Colin Finck:
> >   Am 07.03.2015 um 13:44 schrieb Timo Kreuzer:
> > >   The file system
> > >  redirection would redirect system32 into merged folders, containing the
> > >  version specific DLLs, while everything that is not existing in this
> > >  folder will be taken from the original system32. Potential naming
> > >  scheme: system32.601 system32.602, etc. 
> >  Isn't that the same problem WinSxS
> > tries to solve? Do we really need to
> >  introduce another folder scheme for multiple DLL versions here? 
>  AFAIK SxS only
> works with manifests, not with registry configuration 
>  (correct me if I'm wrong), so we'd probably need a modified solution 
>  here anyway. And have you ever had a look into your Windows/winsxs 
>  folder? DLL hell 2.0! My winsxs folder on Win7 contains > 14.000 
>  subfolders. (ok, one might take that as an argument, that another few 
>  hundred or thousand wouldn't hurt so much ;-)) 
You're not wrong, but we
could store the manifest into the registry. 
With a nice config tool, that would be completely transparent to the user.
>  
> >  
> >  Okay, SxS manages one DLL per folder while your idea is to have folders
> >  with multiple DLLs of the same version. But if we do file system
> >  redirection anyway, this should be solvable. Or am I missing 
> >  something here? 
>  I don't see the relationship between FS redirection and SxS.
> If we do 
>  the former, we don't need the latter. In fact FS redirection wouldn't 
>  work very well in an environment, where each DLL lives in it's own 
>  folder.
>
> >  
> >  We need full SxS support anyway, so why not make use of it for this
> >  task as well? 
>  I just think that a wow64 like FS redirection might be the cleanest 
>  and easiest approach. We are not going to handle all kinds of 
>  different DLL versions in all kinds of mixes, just a relatively small 
>  set of major OS versions. And each of them with a pretty consistent 
>  set of DLLs.
>  But that doesn't mean that I would rule out sxs. If we can easily 
>  provide an sxs solution, that doesn't result in a huge mess, we can go 
>  that way.
>
>  Timo
>
>
>
>
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