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Embedded Linux Development using Yocto Projects

You're reading from   Embedded Linux Development using Yocto Projects Learn to leverage the power of Yocto Project to build efficient Linux-based products

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Product type Paperback
Published in Nov 2017
Publisher
ISBN-13 9781788470469
Length 162 pages
Edition 2nd 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 (15) Chapters Close

Preface 1. Meeting the Yocto Project FREE CHAPTER 2. Baking Our Poky-Based System 3. Using Toaster to Bake an Image 4. Grasping the BitBake Tool 5. Detailing the Temporary Build Directory 6. Assimilating Packaging Support 7. Diving into BitBake Metadata 8. Developing with the Yocto Project 9. Debugging with the Yocto Project 10. Exploring External Layers 11. Creating Custom Layers 12. Customizing Existing Recipes 13. Achieving GPL Compliance 14. Booting Our Custom Embedded Linux

Using Poky to achieve copyleft compliance

At this point, we know how to use Poky and understand its main goal. It is time to understand the legal aspects of producing a Linux-based system that uses packages under different licenses.

We can configure Poky to generate the artifacts that should be shared as part of the copyleft compliance process.

License auditing

To help us to achieve copyleft compliance, Poky generates a license manifest during the image build, located at build/tmp/deploy/licenses/<image_name-machine_name-datestamp>/.

To demonstrate this process, we will use the core-image-full-cmdline image for the qemuarm machine. To start with our example, look at the files under build/tmp/deploy/licenses/core-image...

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