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Embedded Linux Projects Using Yocto Project Cookbook by Alex González

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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 ...

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