It's an older version of gcc I think. Try simply running source scripts/provision.sh PUCKJS - that should install all the stuff you need (it doesn't do it globally though, and will only put stuff in your path until you close that window).
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
It's an older version of gcc I think. Try simply running
source scripts/provision.sh PUCKJS
- that should install all the stuff you need (it doesn't do it globally though, and will only put stuff in your path until you close that window).