Set up a cross-build machine for the Raspberry Pi

Prerequisites

This document focuses on Debian hosts. Debian derivatives such as Ubuntu should work with minor changes.

Downloads

• Download the ​firmware (.tar.gz)
• Download the ​build tools (.tar.gz)

Alternatively, these can be retrieved using Git. Unpack them in two directories called firmware and tools.

Environment variables

• Set RASPI_SDK_ROOT to the directory containing firmware and tools.
• Add the following directory to PATH:

$RASPI_SDK_ROOT/tools/arm-bcm2708/arm-bcm2708hardfp-linux-gnueabi/bin

Configuration

Add the following section to the bitten machine file:

[raspi]
version = 0