You can already get it if you get the FX3 dev kit. It contains a version of Eclipse that has all the necessary tools (except for SDCC itself, you need to get it yourself).
You can create a new project using the BulkLoop as an example.
I did a video on how to set it all up (it's not very good but hopefully it'll get you started.)
Even if it is not the bulkloop example, this may help anyone (even after a few years) who is looking for a Linux startup point: