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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

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Product type Paperback
Published in Apr 2023
Publisher Packt
ISBN-13 9781804615065
Length 196 pages
Edition 3rd Edition
Tools
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Authors (2):
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Otavio Salvador Otavio Salvador
Author Profile Icon Otavio Salvador
Otavio Salvador
Daiane Angolini Daiane Angolini
Author Profile Icon Daiane Angolini
Daiane Angolini
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Toc

Table of Contents (20) Chapters Close

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 19. Other Books You May Enjoy

Tracking image, package, and SDK contents

The easiest way to ensure we have the image, packages, and software development kit (SDK), along with the expected contents, is to use the buildhistory mechanism.

When a recipe is updated for a new version or has its code changed, it may influence the contents of the generated packages and, consequently, the image or SDK.

Poky deals with many recipes and images or SDKs frequently have tens or hundreds of packages. Therefore, it may be challenging to track the package contents. The Poky tool that helps in this task is buildhistory.

buildhistory, as the name suggests, keeps a history of the contents of several artifacts built during the use of Poky. It tracks package, image, and SDK building and their contents.

To enable buildhistory in our system, we need to add the following lines of code in our build/conf/local.conf file:

Figure 10.1 – How to enable buildhistory support

Figure 10.1 – How to enable buildhistory support

The INHERIT method includes...

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