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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
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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

Using the Extensible SDK

The Extensible SDK expands the functionalities of the Standard SDK. Some of the significant capabilities included are as follows:

  • Generate recipes
  • Build recipes
  • Build images
  • Install packages in the internal toolchain
  • Deploy packages to the target

Those additional features are provided by the devtool utility, which is also available in the standard Yocto Project environment.

To generate the Extensible SDK, use the following command:

Figure 9.8 – Command to generate the Extensible SDK

Figure 9.8 – Command to generate the Extensible SDK

The resulting files are in build/tmp/deploy/sdk/. Considering we used the Extensible SDK for core-image-full-cmdline, we see the following set of files:

Figure 9.9 – The resultant files after running bitbake core-image-full-cmdline -c populate_sdk_ext

Figure 9.9 – The resultant files after running bitbake core-image-full-cmdline -c populate_sdk_ext

The next step after creating the Extensible SDK is to install it. To install it, we can execute the generated script. The following...

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