gtk/glib/pango spec file

[Olexiy Avramchenko <olexiy irtech cn ua>]

Hello,
I'm wondering why there're no spec[.in] files in gtk, pango and glib 
tarballs ? Many libs/apps in Gnome have it (including atk). Should I 
check CVS for them or there's a reason for not including/sharing such 
files ?

   Olexiy