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You're reading from  Embedded Linux Development using Yocto Projects - Second Edition

Product typeBook
Published inNov 2017
Publisher
ISBN-139781788470469
Edition2nd Edition
Tools
LinuxYocto Project
Concepts
Embedded Systems
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Authors (2):
Otavio Salvador
Otavio Salvador
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Otavio Salvador

Otavio Salvador loves technology and started his free software activities in 1999. In 2002, he founded O.S. Systems, a company focused on embedded system development services and consultancy worldwide, creating and maintaining customized BSPs, and helping companies with their product developments challenges. This resulted in his joining the OpenEmbedded community in 2008, when he became an active contributor to the OpenEmbedded project.
Read more about Otavio Salvador

Daiane Angolini
Daiane Angolini
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Daiane Angolini

Daiane Angolini has been working with embedded Linux since 2008. She has been working as an application engineer at NXP, acting on internal development, porting custom applications from Android, and on-site customer support for i.MX architectures in areas such as the Linux kernel, u-boot, Android, Yocto Project, and user-space applications. However, it was on the Yocto Project that she found her place.
Read more about Daiane Angolini

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Understanding the BitBake tool

The BitBake task scheduler started as a fork from Portage, which is the package management system used in the Gentoo distribution. However, the two projects have diverged a lot due to different usage focuses. The Yocto Project and the OpenEmbedded Project are the most well-known and intensive users of BitBake, which remains a separate and independent project with its own development cycle and mailing list (bitbake-devel@lists.openembedded.org).

As presented in Chapter 1, Meeting the Yocto Project, BitBake is a task scheduler that parses Python and the shell script mixed code. Based on the metadata, BitBake generates a large number of tasks that may have a complex dependency chain, so BitBake is responsible for ensuring those dependencies are met by maximizing the use of computational resources and running as many tasks as possible in parallel. BitBake can be understood as a tool similar to GNU Make in some respects.

In this chapter, we will cover the main aspects...

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Embedded Linux Development using Yocto Projects - Second Edition
Published in: Nov 2017Publisher: ISBN-13: 9781788470469
© 2017 Packt Publishing Limited All Rights Reserved

Authors (2)

author image
Otavio Salvador

Otavio Salvador loves technology and started his free software activities in 1999. In 2002, he founded O.S. Systems, a company focused on embedded system development services and consultancy worldwide, creating and maintaining customized BSPs, and helping companies with their product developments challenges. This resulted in his joining the OpenEmbedded community in 2008, when he became an active contributor to the OpenEmbedded project.
Read more about Otavio Salvador

author image
Daiane Angolini

Daiane Angolini has been working with embedded Linux since 2008. She has been working as an application engineer at NXP, acting on internal development, porting custom applications from Android, and on-site customer support for i.MX architectures in areas such as the Linux kernel, u-boot, Android, Yocto Project, and user-space applications. However, it was on the Yocto Project that she found her place.
Read more about Daiane Angolini

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