On 12/12/13 11:38, JB wrote: > Hi! > > We would like to start testing 3.0 but don't want to replace our 2.x > testing environment just yet. Before we botch up our installation we > wanted to make sure if ".configure --prefix=/my/dir" suffices to > completely isolate the 3.0 installation. Yes. I've done this, and it worked fine.