Hello,

I got no reply on this issue.
It is not critical and I could think of work-around, but it really looks
like a bug to me.
Should I file a bug-report instead of posting in this list ?

Thanks,

Karl

On Thu, Sep 16, 2010 at 6:11 PM, Karl Forner <karl.forner@gmail.com> wrote:

> Hello,
>
> I have a package with a namespace. Because I use Roxygen that overwrites
> the NAMESPACE file each time it is run, I use a R/zzz.R file with
> an .onLoad() and .onUnload() functions to take care of loading and
> unloading my shared library.
>
> The problem: if I load my library from a local directory, then the
> unloading of the package fails, e.g:
>
> # loads fine
> >library(Foo, lib.loc=".Rcheck")
>
> >unloadNamespace("Foo")
> Warning message:
> .onUnload failed in unloadNamespace() for 'Foo', details:
>   call: library.dynam.unload("Foo", libpath)
>   error: shared library 'Foo' was not loaded
>
> # I traced it a little:
> >library.dynam.unload("Foo", ".Rcheck/Foo")
> Error in library.dynam.unload("Foo", ".Rcheck/Foo") :
>   shared library 'Foo' was not loaded
>
> # using an absolute path works
> >library.dynam.unload("Foo", "/home/toto/.Rcheck/Foo")
>
>
> So from what I understand, the problem is either that the relative libpath
> is sent to the .onUnload() function instead of the absolute one,
> or that library.dynam.unload() should be modified to handle the relative
> paths.
>
> Am I missing something ? What should I do ?
>
> Thanks,
>
>
> Karl
>

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