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  • Book Overview & Buying Embedded Linux Development Using Yocto Project
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Embedded Linux Development Using Yocto Project

Embedded Linux Development Using Yocto Project - Third Edition

By : Otavio Salvador, Daiane Angolini
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Embedded Linux Development Using Yocto Project

Embedded Linux Development Using Yocto Project

5 (8)
By: Otavio Salvador, Daiane Angolini

Overview of this book

The Yocto Project is the industry standard for developing dependable embedded Linux projects. It stands out from other frameworks by offering time-efficient development with enhanced reliability and robustness. With Embedded Linux Development Using Yocto Project, you’ll acquire an understanding of Yocto Project tools, helping you perform different Linux-based tasks. You’ll gain a deep understanding of Poky and BitBake, explore practical use cases for building a Linux subsystem project, employ Yocto Project tools available for embedded Linux, and uncover the secrets of SDK, recipe tool, and others. This new edition is aligned with the latest long-term support release of the aforementioned technologies and introduces two new chapters, covering optimal emulation in QEMU for faster product development and best practices. By the end of this book, you’ll be well-equipped to generate and run an image for real hardware boards. You’ll gain hands-on experience in building efficient Linux systems using the Yocto Project.
Table of Contents (20 chapters)
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Understanding the sysroot directories

The sysroot directory plays a critical role in the Yocto Project. It creates an individual and isolated environment for each recipe. This environment, set for each recipe, is essential to ensure reproducibility and avoid contamination with the host machine’s packages.

After we build the procps recipe, version 3.3.17, we get two sets of sysroot directories – recipes-sysroot and recipes-sysroot-native.

Inside each sysroot set, there is a sub-directory called sysroot-provides. This directory lists the packages installed on each respective sysroot. Following is the recipe-sysroot directory:

Figure 6.5 – Content of the recipe-sysroot directory under build/tmp/work for recipe procps

Figure 6.5 – Content of the recipe-sysroot directory under build/tmp/work for recipe procps

The recipe-sysroot-native directory includes the build dependencies used on the host system during the build process. It encompasses the compiler, linker, tools, and more. At the same time, the recipe-sysroot directory...

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