On Thu, Sep 9, 2010 at 5:26 PM, Julien Claassen <julien(a)c-lab.de> wrote: you do not need to rebuild anything. the only thing that you must do is to ensure that either: 1) you remove the existing version OR 2) you overwrite the existing version how easy (1) is depends on your distribution. apt-based systems are hard to use for (1). for (2) you need to build from source with --prefix=/usr (assuming the previous version was installed normally) if you end up with 2 versions of JACK things will break. this is true even if they are two different versions of the same "family" of JACK implementations. --p

On 10/09/10 01:26, Julien Claassen wrote: If you use a Debian based system lots of work has been done recently to make it possible to swap between them, this is only recent and is in Testing and Sid, I believe it was done just in time for the Squeeze release. This also means you may (will?) get into difficulties if you try to mix older and new versions in a system, lots of things changed in the transition. Simon