You need Linux to build it
git clone https://github.com/nerves-project/nerves-sdk.git
make nerves_bbb_defconfig
make system
Copy system.tar.gz to the Mac
Alternatively, download it:
# nerves_bbb_defconfig
curl -LO https://s3.amazonaws.com/nerves-project/fatehitech/nerves-sdk/9/9.1/system.tar.gz
# nerves_rpi_elixir_defconfig
curl -LO https://s3.amazonaws.com/nerves-project/fatehitech/nerves-sdk/9/9.2/system.tar.gz
# nerves_rpi2_elixir_defconfig
curl -LO https://s3.amazonaws.com/nerves-project/fatehitech/nerves-sdk/9/9.3/system.tar.gz
Install mksquashfs (used to create release firmware):
brew install squashfs
Install fwup (used to write firmware to memory card):
brew install fwup
Or you can install from source via https://github.com/fhunleth/fwup.
Get the toolchain. It doesn't matter where this is placed.
curl -LO https://github.com/nerves-project/nerves-toolchain/releases/download/0.3/nerves-toolchain-arm-unknown-linux-gnueabihf-linux-x86_64-0.3.dmg
hdiutil mount nerves-toolchain-arm-unknown-linux-gnueabihf-linux-x86_64-0.3.dmg
export NERVES_TOOLCHAIN=/Volumes/nerves-toolchain
Create a nerves project
git clone https://github.com/fhunleth/nerves_elixir_trivial.git
cd nerves_elixir_trivial
Extract the system. It doesn't matter where this is placed either.
tar xf ../system.tar.gz
source system/nerves-env.sh
Build the Elixir project
make
Write firmware to the SD card
make burn-complete