Computing d/control "Provides:" line

[Mathieu Malaterre <mathieu.malaterre@gmail.com>]

Dear mentors,

  I would like to know if there is an easy way to fill in the
"Provides: " line in a d/control file ?

  Here is the situation, one of my package is activiz.net a C# binding
to a C++ library VTK. VTK 5.8 was uploaded to unstable today. I need
therefore to transition from activiz.net 5.6 to activiz.net 5.8 to
indicate the SOVERSION change.

  Instead of manually editing the d/control file I was wondering if I
could detect this case and update the control file during package
generation time.

Thanks much.

ref:
http://packages.debian.org/sid/libactiviz.net5.6-cil

-- 
Mathieu