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Embedded Linux Development Using Yocto Project Cookbook

You're reading from Embedded Linux Development Using Yocto Project Cookbook Practical recipes to help you leverage the power of Yocto to build exciting Linux-based systems

Product type Paperback

Published in Jan 2018

Publisher

ISBN-13 9781788399210

Length 456 pages

Edition 2nd Edition

Languages

C

Tools

Linux

Concepts

Embedded Systems

Author (1):

Alex Gonzalez

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Table of Contents (13) Chapters

Title Page

Dedication

Packt Upsell

Foreword

Contributors

Preface

1. The Build System FREE CHAPTER

2. The BSP Layer

3. The Software Layer

4. Application Development

5. Debugging, Tracing, and Profiling

1. Other Books You May Enjoy

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Index

Integrating the Open Java Development Kit

Up until Java SE version 8, Oracle offered a commercially-licensed and royalties-based Java SE embedded edition. However, Java SE Embedded 8 was the last embedded specific Java SE release that Oracle will offer.

The open source alternative to Oracle Java SE embedded is the Open Java Development Kit (OpenJDK), an open source implementation of Java SE licensed under the GPLv2, with the classpath exception, which means that applications are allowed to link without being bound by the GPL license. This recipe will show how to build OpenJDK with Yocto and integrate the Java Runtime Environment (JRE) into our target images.

Getting ready

The main components of OpenJDK are:

The HotSpot Java Virtual Machine (JVM)
The Java Class Library (JCL)
The Java compiler, javac

Initially, OpenJDK needed to be built using a proprietary JDK. However, the IcedTea project allowed us to build OpenJDK using the GNU classpath, the GNU Compiler for Java (GCJ), and bootstrap a JDK to...

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Authors (1)

Alex González

Alex González

Alex González is a software engineering supervisor at Digi International and product owner of the Digi Embedded Yocto distribution. He started working professionally with embedded systems in 1999 and the Linux kernel in 2004, designing products for voice and video over IP networks, and followed his interests into machine-to-machine (M2M) technologies and the Internet of Things. Born and raised in Bilbao, Spain, Alex has an electronic engineering degree from the University of the Basque Country and he received his MSc in communication systems from the University of Portsmouth.

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