perl language binding question - SVN::Repos::open with runtime constructed interpolated scalar

Hi.
I want to work with the subversion perl bindings.

SVN::Repos::open('/dir/A')

does woes work fine, path is a non interpolated scalar.

However, i need to parse some data before i know the real path, so actually i
am building my "svnpath" at runtime.

$repopath = STATICPREFIX . "/" . $actualpath;

Using open on this scalar i'll get:

SVN::Repos::open($repopath)

TypeError in method 'svn_repos_open', argument 2 of type 'char const *'

So whats the preferred way to use the perl bindings if the actual path is
determined at runtime and not written like " my path ='/path/repo' " ?
Shouldn't the compiler cast this to const_cast<char*> per default or is this
not supported at all?

Torsten

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