Here is what I did (on a fresh Raspberry Pi 2 B)
$ uname -a
Linux raspberrypi 4.1.13-v7+ #826 SMP PREEMPT Fri Nov 13 20:19:03 GMT 2015
armv7l GNU/Linux
$ curl get.pharo.org/50 | bash
$ wget http://files.pharo.org/sources/PharoV40.sources.zip
$ wget
Hello Sven,
You can use the VM with the JIT on the Pie now (Spur Cog VM). It is
deployed by default on the recent raspberry pis and has millions of users
for Squeak and Scratch since August 2015 (the raspberry pie fondation paid
Tim for the ARM JIT on the Cog because of the size of their user