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OBS projects setup
From Mer Wiki
Building for different targets in OBS
You might want to build packages for different targets like Debian or Opensuse. There are two ways to do that :
- inter-OBS link provided by build.opensuse.org
- download on demand against a static repository
Explain inter-OBS link
Download on Demand
http://en.opensuse.org/openSUSE:Build_Service_Concept_Download_on_Demand