How to target Debian stable but develop on testing?

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http://stackoverflow.com – We have some C++ applications which are developed specifically and only for Debian stable (x86). Currently, development of these application is also done using a Debian stable (x86) system so the developer has all the same library versions as on the target system. Occasionally, I also need to work on these components and it keeps bugging me that I'm stuck with a very outdated version of KDevelop (4.0.1 vs. the latest 4.4.1). I'd like to use a more up-to-date system for development (like the latest Ubuntu or Debian testing) but how can I create binaries suitable for the target system? Is th (HowTos)