Tested on MacOs Sierra 10.12.6 and Virtualbox 5.2.18 (Oct 2018) Firstly, ignore advice about having to disable System Protection Integrity, it’s erroneous. csrutil status System Integrity Protection status: enabled. Ok, here are the steps: Insert an sdcard into the slot - MAKE VERY SURE YOU HAVEN’T FLICKED THE WRITE PROTECT SWITCH ON THE CARD - it’s very easy to accidentally move it on insertion if it’s loose. Carefully use a pin to push it back to READ/WRITE mode.

For a gentle introduction to cross compiling for the pi with Docker try here First we need a Docker image with the cross compilation tools installed, so we’ll grab the one from above: docker pull mitchallen/pi-cross-compile Create the build directory & cd into it git clone git://git.drogon.net/wiringPi Create a lib structure mkdir -p usr/local/bin usr/local/lib usr/local/include usr/lib Even though we use the pitools version of ldconfig it still looks in /etc/ld.