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Embedded Linux Development with Yocto Project

You're reading from   Embedded Linux Development with Yocto Project Develop fascinating Linux-based projects using the groundbreaking Yocto Project tools

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Product type Paperback
Published in Jul 2014
Publisher
ISBN-13 9781783282333
Length 142 pages
Edition 1st Edition
Tools
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Toc

Table of Contents (17) Chapters Close

Preface 1. Meeting the Yocto Project FREE CHAPTER 2. Baking Our Poky-based System 3. Using Hob 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 A. References
Index

Detailing the build directory

The build directory is a central information and artifact source for every Yocto Project's tool user. Its main directories are the following:

  • conf: This has the configuration files we use to control Poky and BitBake. The first use of this directory was in Chapter 2, Baking Our Poky-based System. It stores configuration files such as build/conf/local.conf and build/conf/bblayers.conf.
  • downloads: This stores the downloaded tarballs. It can be seen as the download cache and has been detailed in Chapter 4, Grasping the BitBake Tool.
  • sstate-cache: This has the packaged data snapshots. It is a cache mainly used to speed up the build process. This folder is detailed in Chapter 6, Assimilating Packaging Support.
  • tmp: This is a temporary build directory. It is very handy; we will understand it better in the following sections.
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