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Embedded Linux Development Using Yocto Project

You're reading from Embedded Linux Development Using Yocto Project Leverage the power of the Yocto Project to build efficient Linux-based products

Product type Paperback

Published in Apr 2023

Publisher Packt

ISBN-13 9781804615065

Length 196 pages

Edition 3rd Edition

Tools

Linux

Concepts

Operating Systems

Authors (2):

Otavio Salvador

Daiane Angolini

View More author details

Table of Contents (20) Chapters

Preface

1. Chapter 1: Meeting the Yocto Project

2. Chapter 2: Baking Our First Poky-Based System FREE CHAPTER

3. Chapter 3: Using Toaster to Bake an Image

4. Chapter 4: Meeting the BitBake Tool

5. Chapter 5: Grasping the BitBake Tool

6. Chapter 6: Detailing the Temporary Build Directory

7. Chapter 7: Assimilating Packaging Support

8. Chapter 8: Diving into BitBake Metadata

9. Chapter 9: Developing with the Yocto Project

10. Chapter 10: Debugging with the Yocto Project

11. Chapter 11: Exploring External Layers

12. Chapter 12: Creating Custom Layers

13. Chapter 13: Customizing Existing Recipes

14. Chapter 14: Achieving GPL Compliance

15. Chapter 15: Booting Our Custom Embedded Linux

16. Chapter 16: Speeding Up Product Development through Emulation – QEMU

17. Chapter 17: Best Practices

18. Index

Why subscribe?

19. Other Books You May Enjoy

Fetching the source code

When we download the Poky source code, we download the metadata collection and the BitBake tool. One of the main features supported by BitBake is additional source code fetching.

The ability of fetching external source code is as modular and flexible as possible. For example, every Linux-based system includes the Linux kernel and several other utilities that form the root filesystem, such as OpenSSH or BusyBox.

The OpenSSH source code is available from its upstream website as a tar.gz file hosted on an HTTP server, while the Linux kernel release is in a Git repository. Therefore, BitBake can easily fetch those two different instances of source code.

BitBake offers support for many different fetcher modules that allow the retrieval of tarball files and several other SCM systems, such as the following:

Amazon AWS S3
Android repo
Azure Storage
Bazaar
ClearCase
CVS
FTP
Git
Git Annex
Git submodules
HTTP(S...

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Authors (2)

Otavio Salvador

Otavio Salvador

Otavio Salvador loves technology and started his free software activities in 1999. In 2002, he founded O.S. Systems, a company focused on embedded system development services and consultancy worldwide, creating and maintaining customized BSPs, and helping companies with their product developments challenges. This resulted in his joining the OpenEmbedded community in 2008, when he became an active contributor to the OpenEmbedded project.

See other products by Otavio Salvador

Angolini

Angolini

Daiane Angolini has been working with embedded Linux since 2008. She has been working as an application engineer at NXP, acting on internal development, porting custom applications from Android, and on-site customer support for i.MX architectures in areas such as the Linux kernel, u-boot, Android, Yocto Project, and user-space applications. However, it was on the Yocto Project that she found her place.

See other products by Angolini

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