Embedded Linux Projects Using Yocto Project Cookbook

Building the U-Boot bootloader

In this recipe, we will go through the several development workflows described previously using the U-Boot bootloader as an example.

How to do it...

We will see how the following development workflows are applied to U-Boot:

• External development
• External source development
• Working directory development

How it works...

Let's explain the three workflows, previously mentioned, in detail.

External development

We will use a Yocto toolchain to build the U-Boot source externally from the Yocto build system.

1. Download and install a Yocto project cross-compilation toolchain for your host by going to the following:

   http://downloads.yoctoproject.org/releases/yocto/yocto-1.7.1/toolchain/

   Tip

   Choose either the 32- or 64-bit version and execute ...