3.0 and 2.x parallel?

[Phil Mayers]

On 12/12/13 12:20, A.L.M.Buxey at lboro.ac.uk 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.
>
> works here - but be aware that the configs are not compatible. you can just dump 2.x
> config onto a 3.x server (or vice-versa)

One suggestions - we broke our configs out into a "common" and "main" 
file, using $INCLUDE in the latter.

You can then tweak the "common" slightly, leaving the main config alone.