Book Image

Embedded Linux Development using Yocto Projects - Second Edition

By : Otavio Salvador, Daiane Angolini
Book Image

Embedded Linux Development using Yocto Projects - Second Edition

By: Otavio Salvador, Daiane Angolini

Overview of this book

Yocto Project is turning out to be the best integration framework for creating reliable embedded Linux projects. It has the edge over other frameworks because of its features such as less development time and improved reliability and robustness. Embedded Linux Development using Yocto Project starts with an in-depth explanation of all Yocto Project tools, to help you perform different Linux-based tasks. The book then moves on to in-depth explanations of Poky and BitBake. It also includes some practical use cases for building a Linux subsystem project using Yocto Project tools available for embedded Linux. The book also covers topics such as SDK, recipetool, and others. By the end of the book, you will have learned how to generate and run an image for real hardware boards and will have gained hands-on experience at building efficient Linux systems using Yocto Project.
Table of Contents (22 chapters)
Title Page
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
7
Diving into BitBake Metadata
Index

Using supported package formats


Packages are critical to Poky as they enable the build system to produce different types of artifacts, such as images and toolchains.

A recipe may generate one or more packages as a result of it being executed by BitBake. On the other hand, images and toolchains are made of several packages that are unpacked and configured to accomplish the intended goal. The generated result is wrapped in such a way that it can be installed into one or more images, or it can be deployed for later use.

List of supported package formats

Currently, BitBake supports four different package formats:

  • RPM: Originally named Red Hat Package Manager (RPM), but now known as the RPM package format since its adoption by several other Linux distributions, it is used by popular Linux distributions such as SuSE, OpenSuSE, Red Hat, Fedora, and CentOS, among others.
  • DEB: The Debian Package Manager is used by Debian and several other Debian-based distributions; the most widely known among them are...